wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2013, 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
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "common/version.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "common/ieee802_11_common.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eap_peer/eap.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "rsn_supp/preauth.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wps/wps.h"
  24 #include "config.h"
  25 #include "wpa_supplicant_i.h"
  26 #include "driver_i.h"
  27 #include "wps_supplicant.h"
  28 #include "ibss_rsn.h"
  29 #include "ap.h"
  30 #include "p2p_supplicant.h"
  31 #include "p2p/p2p.h"
  32 #include "hs20_supplicant.h"
  33 #include "wifi_display.h"
  34 #include "notify.h"
  35 #include "bss.h"
  36 #include "scan.h"
  37 #include "ctrl_iface.h"
  38 #include "interworking.h"
  39 #include "blacklist.h"
  40 #include "autoscan.h"
  41 #include "wnm_sta.h"
  42
  43 extern struct wpa_driver_ops *wpa_drivers[];
  44
  45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  46                                             char *buf, int len);
  47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  48                                                   char *buf, int len);
  49
  50
  51 static int pno_start(struct wpa_supplicant *wpa_s)
  52 {
  53         int ret, interval;
  54         size_t i, num_ssid;
  55         struct wpa_ssid *ssid;
  56         struct wpa_driver_scan_params params;
  57
  58         if (wpa_s->pno)
  59                 return 0;
  60
  61         if ((wpa_s->wpa_state > WPA_SCANNING) &&
  62             (wpa_s->wpa_state <= WPA_COMPLETED)) {
  63                 wpa_printf(MSG_ERROR, "PNO: In assoc process");
  64                 return -EAGAIN;
  65         }
  66
  67         if (wpa_s->wpa_state == WPA_SCANNING) {
  68                 wpa_supplicant_cancel_sched_scan(wpa_s);
  69                 wpa_supplicant_cancel_scan(wpa_s);
  70         }
  71
  72         os_memset(&params, 0, sizeof(params));
  73
  74         num_ssid = 0;
  75         ssid = wpa_s->conf->ssid;
  76         while (ssid) {
  77                 if (!wpas_network_disabled(wpa_s, ssid))
  78                         num_ssid++;
  79                 ssid = ssid->next;
  80         }
  81         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  82                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  83                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  84                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  85         }
  86
  87         if (num_ssid == 0) {
  88                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  89                 return -1;
  90         }
  91
  92         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  93                                         num_ssid);
  94         if (params.filter_ssids == NULL)
  95                 return -1;
  96         i = 0;
  97         ssid = wpa_s->conf->ssid;
  98         while (ssid) {
  99                 if (!wpas_network_disabled(wpa_s, ssid)) {
 100                         params.ssids[i].ssid = ssid->ssid;
 101                         params.ssids[i].ssid_len = ssid->ssid_len;
 102                         params.num_ssids++;
 103                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
 104                                   ssid->ssid_len);
 105                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
 106                         params.num_filter_ssids++;
 107                         i++;
 108                         if (i == num_ssid)
 109                                 break;
 110                 }
 111                 ssid = ssid->next;
 112         }
 113
 114         if (wpa_s->conf->filter_rssi)
 115                 params.filter_rssi = wpa_s->conf->filter_rssi;
 116
 117         interval = wpa_s->conf->sched_scan_interval ?
 118                 wpa_s->conf->sched_scan_interval : 10;
 119
 120         ret = wpa_supplicant_start_sched_scan(wpa_s, &params, interval);
 121         os_free(params.filter_ssids);
 122         if (ret == 0)
 123                 wpa_s->pno = 1;
 124         return ret;
 125 }
 126
 127
 128 static int pno_stop(struct wpa_supplicant *wpa_s)
 129 {
 130         int ret = 0;
 131
 132         if (wpa_s->pno) {
 133                 wpa_s->pno = 0;
 134                 ret = wpa_supplicant_stop_sched_scan(wpa_s);
 135         }
 136
 137         if (wpa_s->wpa_state == WPA_SCANNING)
 138                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 139
 140         return ret;
 141 }
 142
 143
 144 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 145 {
 146         char *pos;
 147         u8 addr[ETH_ALEN], *filter = NULL, *n;
 148         size_t count = 0;
 149
 150         pos = val;
 151         while (pos) {
 152                 if (*pos == '\0')
 153                         break;
 154                 if (hwaddr_aton(pos, addr)) {
 155                         os_free(filter);
 156                         return -1;
 157                 }
 158                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 159                 if (n == NULL) {
 160                         os_free(filter);
 161                         return -1;
 162                 }
 163                 filter = n;
 164                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 165                 count++;
 166
 167                 pos = os_strchr(pos, ' ');
 168                 if (pos)
 169                         pos++;
 170         }
 171
 172         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 173         os_free(wpa_s->bssid_filter);
 174         wpa_s->bssid_filter = filter;
 175         wpa_s->bssid_filter_count = count;
 176
 177         return 0;
 178 }
 179
 180
 181 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 182 {
 183         char *pos;
 184         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 185         struct wpa_ssid_value *ssid = NULL, *ns;
 186         size_t count = 0, ssid_count = 0;
 187         struct wpa_ssid *c;
 188
 189         /*
 190          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | ""
 191          * SSID_SPEC ::= ssid <SSID_HEX>
 192          * BSSID_SPEC ::= bssid <BSSID_HEX>
 193          */
 194
 195         pos = val;
 196         while (pos) {
 197                 if (*pos == '\0')
 198                         break;
 199                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 200                         int res;
 201                         pos += 6;
 202                         res = hwaddr_aton2(pos, addr);
 203                         if (res < 0) {
 204                                 os_free(ssid);
 205                                 os_free(bssid);
 206                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 207                                            "BSSID value '%s'", pos);
 208                                 return -1;
 209                         }
 210                         pos += res;
 211                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 212                         if (n == NULL) {
 213                                 os_free(ssid);
 214                                 os_free(bssid);
 215                                 return -1;
 216                         }
 217                         bssid = n;
 218                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 219                         count++;
 220                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 221                         char *end;
 222                         pos += 5;
 223
 224                         end = pos;
 225                         while (*end) {
 226                                 if (*end == '\0' || *end == ' ')
 227                                         break;
 228                                 end++;
 229                         }
 230
 231                         ns = os_realloc_array(ssid, ssid_count + 1,
 232                                               sizeof(struct wpa_ssid_value));
 233                         if (ns == NULL) {
 234                                 os_free(ssid);
 235                                 os_free(bssid);
 236                                 return -1;
 237                         }
 238                         ssid = ns;
 239
 240                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 241                             hexstr2bin(pos, ssid[ssid_count].ssid,
 242                                        (end - pos) / 2) < 0) {
 243                                 os_free(ssid);
 244                                 os_free(bssid);
 245                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 246                                            "SSID value '%s'", pos);
 247                                 return -1;
 248                         }
 249                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 250                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 251                                           ssid[ssid_count].ssid,
 252                                           ssid[ssid_count].ssid_len);
 253                         ssid_count++;
 254                         pos = end;
 255                 } else {
 256                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 257                                    "'%s'", pos);
 258                         os_free(ssid);
 259                         os_free(bssid);
 260                         return -1;
 261                 }
 262
 263                 pos = os_strchr(pos, ' ');
 264                 if (pos)
 265                         pos++;
 266         }
 267
 268         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 269         os_free(wpa_s->disallow_aps_bssid);
 270         wpa_s->disallow_aps_bssid = bssid;
 271         wpa_s->disallow_aps_bssid_count = count;
 272
 273         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 274         os_free(wpa_s->disallow_aps_ssid);
 275         wpa_s->disallow_aps_ssid = ssid;
 276         wpa_s->disallow_aps_ssid_count = ssid_count;
 277
 278         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 279                 return 0;
 280
 281         c = wpa_s->current_ssid;
 282         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 283                 return 0;
 284
 285         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 286             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 287                 return 0;
 288
 289         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 290                    "because current AP was marked disallowed");
 291
 292 #ifdef CONFIG_SME
 293         wpa_s->sme.prev_bssid_set = 0;
 294 #endif /* CONFIG_SME */
 295         wpa_s->reassociate = 1;
 296         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 297         wpa_supplicant_req_scan(wpa_s, 0, 0);
 298
 299         return 0;
 300 }
 301
 302
 303 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 304                                          char *cmd)
 305 {
 306         char *value;
 307         int ret = 0;
 308
 309         value = os_strchr(cmd, ' ');
 310         if (value == NULL)
 311                 return -1;
 312         *value++ = '\0';
 313
 314         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 315         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 316                 eapol_sm_configure(wpa_s->eapol,
 317                                    atoi(value), -1, -1, -1);
 318         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 319                 eapol_sm_configure(wpa_s->eapol,
 320                                    -1, atoi(value), -1, -1);
 321         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 322                 eapol_sm_configure(wpa_s->eapol,
 323                                    -1, -1, atoi(value), -1);
 324         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 325                 eapol_sm_configure(wpa_s->eapol,
 326                                    -1, -1, -1, atoi(value));
 327         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 328                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 329                                      atoi(value)))
 330                         ret = -1;
 331         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 332                    0) {
 333                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 334                                      atoi(value)))
 335                         ret = -1;
 336         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 337                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 338                         ret = -1;
 339         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 340                 wpa_s->wps_fragment_size = atoi(value);
 341 #ifdef CONFIG_WPS_TESTING
 342         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 343                 long int val;
 344                 val = strtol(value, NULL, 0);
 345                 if (val < 0 || val > 0xff) {
 346                         ret = -1;
 347                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 348                                    "wps_version_number %ld", val);
 349                 } else {
 350                         wps_version_number = val;
 351                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 352                                    "version %u.%u",
 353                                    (wps_version_number & 0xf0) >> 4,
 354                                    wps_version_number & 0x0f);
 355                 }
 356         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 357                 wps_testing_dummy_cred = atoi(value);
 358                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 359                            wps_testing_dummy_cred);
 360 #endif /* CONFIG_WPS_TESTING */
 361         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 362                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 363                         ret = -1;
 364 #ifdef CONFIG_TDLS_TESTING
 365         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 366                 extern unsigned int tdls_testing;
 367                 tdls_testing = strtol(value, NULL, 0);
 368                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 369 #endif /* CONFIG_TDLS_TESTING */
 370 #ifdef CONFIG_TDLS
 371         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 372                 int disabled = atoi(value);
 373                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 374                 if (disabled) {
 375                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 376                                 ret = -1;
 377                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 378                         ret = -1;
 379                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 380 #endif /* CONFIG_TDLS */
 381         } else if (os_strcasecmp(cmd, "pno") == 0) {
 382                 if (atoi(value))
 383                         ret = pno_start(wpa_s);
 384                 else
 385                         ret = pno_stop(wpa_s);
 386         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 387                 int disabled = atoi(value);
 388                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 389                         ret = -1;
 390                 else if (disabled)
 391                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 392         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 393                 if (os_strcmp(value, "disable") == 0)
 394                         wpa_s->set_sta_uapsd = 0;
 395                 else {
 396                         int be, bk, vi, vo;
 397                         char *pos;
 398                         /* format: BE,BK,VI,VO;max SP Length */
 399                         be = atoi(value);
 400                         pos = os_strchr(value, ',');
 401                         if (pos == NULL)
 402                                 return -1;
 403                         pos++;
 404                         bk = atoi(pos);
 405                         pos = os_strchr(pos, ',');
 406                         if (pos == NULL)
 407                                 return -1;
 408                         pos++;
 409                         vi = atoi(pos);
 410                         pos = os_strchr(pos, ',');
 411                         if (pos == NULL)
 412                                 return -1;
 413                         pos++;
 414                         vo = atoi(pos);
 415                         /* ignore max SP Length for now */
 416
 417                         wpa_s->set_sta_uapsd = 1;
 418                         wpa_s->sta_uapsd = 0;
 419                         if (be)
 420                                 wpa_s->sta_uapsd |= BIT(0);
 421                         if (bk)
 422                                 wpa_s->sta_uapsd |= BIT(1);
 423                         if (vi)
 424                                 wpa_s->sta_uapsd |= BIT(2);
 425                         if (vo)
 426                                 wpa_s->sta_uapsd |= BIT(3);
 427                 }
 428         } else if (os_strcasecmp(cmd, "ps") == 0) {
 429                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 430 #ifdef CONFIG_WIFI_DISPLAY
 431         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 432                 wifi_display_enable(wpa_s->global, !!atoi(value));
 433 #endif /* CONFIG_WIFI_DISPLAY */
 434         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 435                 ret = set_bssid_filter(wpa_s, value);
 436         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 437                 ret = set_disallow_aps(wpa_s, value);
 438         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 439                 wpa_s->no_keep_alive = !!atoi(value);
 440         } else {
 441                 value[-1] = '=';
 442                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 443                 if (ret == 0)
 444                         wpa_supplicant_update_config(wpa_s);
 445         }
 446
 447         return ret;
 448 }
 449
 450
 451 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 452                                          char *cmd, char *buf, size_t buflen)
 453 {
 454         int res = -1;
 455
 456         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 457
 458         if (os_strcmp(cmd, "version") == 0) {
 459                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 460         } else if (os_strcasecmp(cmd, "country") == 0) {
 461                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 462                         res = os_snprintf(buf, buflen, "%c%c",
 463                                           wpa_s->conf->country[0],
 464                                           wpa_s->conf->country[1]);
 465 #ifdef CONFIG_WIFI_DISPLAY
 466         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 467                 res = os_snprintf(buf, buflen, "%d",
 468                                   wpa_s->global->wifi_display);
 469                 if (res < 0 || (unsigned int) res >= buflen)
 470                         return -1;
 471                 return res;
 472 #endif /* CONFIG_WIFI_DISPLAY */
 473 #ifdef CONFIG_TESTING_GET_GTK
 474         } else if (os_strcmp(cmd, "gtk") == 0) {
 475                 if (wpa_s->last_gtk_len == 0)
 476                         return -1;
 477                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 478                                        wpa_s->last_gtk_len);
 479                 return res;
 480 #endif /* CONFIG_TESTING_GET_GTK */
 481         }
 482
 483         if (res < 0 || (unsigned int) res >= buflen)
 484                 return -1;
 485         return res;
 486 }
 487
 488
 489 #ifdef IEEE8021X_EAPOL
 490 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 491                                              char *addr)
 492 {
 493         u8 bssid[ETH_ALEN];
 494         struct wpa_ssid *ssid = wpa_s->current_ssid;
 495
 496         if (hwaddr_aton(addr, bssid)) {
 497                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 498                            "'%s'", addr);
 499                 return -1;
 500         }
 501
 502         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 503         rsn_preauth_deinit(wpa_s->wpa);
 504         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 505                 return -1;
 506
 507         return 0;
 508 }
 509 #endif /* IEEE8021X_EAPOL */
 510
 511
 512 #ifdef CONFIG_PEERKEY
 513 /* MLME-STKSTART.request(peer) */
 514 static int wpa_supplicant_ctrl_iface_stkstart(
 515         struct wpa_supplicant *wpa_s, char *addr)
 516 {
 517         u8 peer[ETH_ALEN];
 518
 519         if (hwaddr_aton(addr, peer)) {
 520                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 521                            "address '%s'", addr);
 522                 return -1;
 523         }
 524
 525         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 526                    MAC2STR(peer));
 527
 528         return wpa_sm_stkstart(wpa_s->wpa, peer);
 529 }
 530 #endif /* CONFIG_PEERKEY */
 531
 532
 533 #ifdef CONFIG_TDLS
 534
 535 static int wpa_supplicant_ctrl_iface_tdls_discover(
 536         struct wpa_supplicant *wpa_s, char *addr)
 537 {
 538         u8 peer[ETH_ALEN];
 539         int ret;
 540
 541         if (hwaddr_aton(addr, peer)) {
 542                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 543                            "address '%s'", addr);
 544                 return -1;
 545         }
 546
 547         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 548                    MAC2STR(peer));
 549
 550         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 551                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 552         else
 553                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 554
 555         return ret;
 556 }
 557
 558
 559 static int wpa_supplicant_ctrl_iface_tdls_setup(
 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_SETUP: invalid "
 567                            "address '%s'", addr);
 568                 return -1;
 569         }
 570
 571         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 572                    MAC2STR(peer));
 573
 574         if ((wpa_s->conf->tdls_external_control) &&
 575             wpa_tdls_is_external_setup(wpa_s->wpa))
 576                 return wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 577
 578         wpa_tdls_remove(wpa_s->wpa, peer);
 579
 580         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 581                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 582         else
 583                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 584
 585         return ret;
 586 }
 587
 588
 589 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 590         struct wpa_supplicant *wpa_s, char *addr)
 591 {
 592         u8 peer[ETH_ALEN];
 593         int ret;
 594
 595         if (hwaddr_aton(addr, peer)) {
 596                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 597                            "address '%s'", addr);
 598                 return -1;
 599         }
 600
 601         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 602                    MAC2STR(peer));
 603
 604         if ((wpa_s->conf->tdls_external_control) &&
 605             wpa_tdls_is_external_setup(wpa_s->wpa))
 606                 return wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 607
 608         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 609                 ret = wpa_tdls_teardown_link(
 610                         wpa_s->wpa, peer,
 611                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 612         else
 613                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 614
 615         return ret;
 616 }
 617
 618 #endif /* CONFIG_TDLS */
 619
 620
 621 #ifdef CONFIG_IEEE80211R
 622 static int wpa_supplicant_ctrl_iface_ft_ds(
 623         struct wpa_supplicant *wpa_s, char *addr)
 624 {
 625         u8 target_ap[ETH_ALEN];
 626         struct wpa_bss *bss;
 627         const u8 *mdie;
 628
 629         if (hwaddr_aton(addr, target_ap)) {
 630                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 631                            "address '%s'", addr);
 632                 return -1;
 633         }
 634
 635         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 636
 637         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 638         if (bss)
 639                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 640         else
 641                 mdie = NULL;
 642
 643         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 644 }
 645 #endif /* CONFIG_IEEE80211R */
 646
 647
 648 #ifdef CONFIG_WPS
 649 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 650                                              char *cmd)
 651 {
 652         u8 bssid[ETH_ALEN], *_bssid = bssid;
 653 #ifdef CONFIG_P2P
 654         u8 p2p_dev_addr[ETH_ALEN];
 655 #endif /* CONFIG_P2P */
 656 #ifdef CONFIG_AP
 657         u8 *_p2p_dev_addr = NULL;
 658 #endif /* CONFIG_AP */
 659
 660         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 661                 _bssid = NULL;
 662 #ifdef CONFIG_P2P
 663         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 664                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 665                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 666                                    "P2P Device Address '%s'",
 667                                    cmd + 13);
 668                         return -1;
 669                 }
 670                 _p2p_dev_addr = p2p_dev_addr;
 671 #endif /* CONFIG_P2P */
 672         } else if (hwaddr_aton(cmd, bssid)) {
 673                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 674                            cmd);
 675                 return -1;
 676         }
 677
 678 #ifdef CONFIG_AP
 679         if (wpa_s->ap_iface)
 680                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 681 #endif /* CONFIG_AP */
 682
 683         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 684 }
 685
 686
 687 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 688                                              char *cmd, char *buf,
 689                                              size_t buflen)
 690 {
 691         u8 bssid[ETH_ALEN], *_bssid = bssid;
 692         char *pin;
 693         int ret;
 694
 695         pin = os_strchr(cmd, ' ');
 696         if (pin)
 697                 *pin++ = '\0';
 698
 699         if (os_strcmp(cmd, "any") == 0)
 700                 _bssid = NULL;
 701         else if (os_strcmp(cmd, "get") == 0) {
 702                 ret = wps_generate_pin();
 703                 goto done;
 704         } else if (hwaddr_aton(cmd, bssid)) {
 705                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 706                            cmd);
 707                 return -1;
 708         }
 709
 710 #ifdef CONFIG_AP
 711         if (wpa_s->ap_iface) {
 712                 int timeout = 0;
 713                 char *pos;
 714
 715                 if (pin) {
 716                         pos = os_strchr(pin, ' ');
 717                         if (pos) {
 718                                 *pos++ = '\0';
 719                                 timeout = atoi(pos);
 720                         }
 721                 }
 722
 723                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 724                                                  buf, buflen, timeout);
 725         }
 726 #endif /* CONFIG_AP */
 727
 728         if (pin) {
 729                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 730                                          DEV_PW_DEFAULT);
 731                 if (ret < 0)
 732                         return -1;
 733                 ret = os_snprintf(buf, buflen, "%s", pin);
 734                 if (ret < 0 || (size_t) ret >= buflen)
 735                         return -1;
 736                 return ret;
 737         }
 738
 739         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 740         if (ret < 0)
 741                 return -1;
 742
 743 done:
 744         /* Return the generated PIN */
 745         ret = os_snprintf(buf, buflen, "%08d", ret);
 746         if (ret < 0 || (size_t) ret >= buflen)
 747                 return -1;
 748         return ret;
 749 }
 750
 751
 752 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 753         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 754 {
 755         char pin[9];
 756         size_t len;
 757         char *pos;
 758         int ret;
 759
 760         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 761                               (u8 *) cmd, os_strlen(cmd));
 762         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 763                 if (*pos < '0' || *pos > '9')
 764                         continue;
 765                 pin[len++] = *pos;
 766                 if (len == 9) {
 767                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 768                         return -1;
 769                 }
 770         }
 771         if (len != 4 && len != 8) {
 772                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 773                 return -1;
 774         }
 775         pin[len] = '\0';
 776
 777         if (len == 8) {
 778                 unsigned int pin_val;
 779                 pin_val = atoi(pin);
 780                 if (!wps_pin_valid(pin_val)) {
 781                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 782                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 783                         if (ret < 0 || (size_t) ret >= buflen)
 784                                 return -1;
 785                         return ret;
 786                 }
 787         }
 788
 789         ret = os_snprintf(buf, buflen, "%s", pin);
 790         if (ret < 0 || (size_t) ret >= buflen)
 791                 return -1;
 792
 793         return ret;
 794 }
 795
 796
 797 #ifdef CONFIG_WPS_NFC
 798
 799 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 800                                              char *cmd)
 801 {
 802         u8 bssid[ETH_ALEN], *_bssid = bssid;
 803
 804         if (cmd == NULL || cmd[0] == '\0')
 805                 _bssid = NULL;
 806         else if (hwaddr_aton(cmd, bssid))
 807                 return -1;
 808
 809         return wpas_wps_start_nfc(wpa_s, _bssid);
 810 }
 811
 812
 813 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 814         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 815 {
 816         int ndef;
 817         struct wpabuf *buf;
 818         int res;
 819         char *pos;
 820
 821         pos = os_strchr(cmd, ' ');
 822         if (pos)
 823                 *pos++ = '\0';
 824         if (os_strcmp(cmd, "WPS") == 0)
 825                 ndef = 0;
 826         else if (os_strcmp(cmd, "NDEF") == 0)
 827                 ndef = 1;
 828         else
 829                 return -1;
 830
 831         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
 832         if (buf == NULL)
 833                 return -1;
 834
 835         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 836                                          wpabuf_len(buf));
 837         reply[res++] = '\n';
 838         reply[res] = '\0';
 839
 840         wpabuf_free(buf);
 841
 842         return res;
 843 }
 844
 845
 846 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 847         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 848 {
 849         int ndef;
 850         struct wpabuf *buf;
 851         int res;
 852
 853         if (os_strcmp(cmd, "WPS") == 0)
 854                 ndef = 0;
 855         else if (os_strcmp(cmd, "NDEF") == 0)
 856                 ndef = 1;
 857         else
 858                 return -1;
 859
 860         buf = wpas_wps_nfc_token(wpa_s, ndef);
 861         if (buf == NULL)
 862                 return -1;
 863
 864         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 865                                          wpabuf_len(buf));
 866         reply[res++] = '\n';
 867         reply[res] = '\0';
 868
 869         wpabuf_free(buf);
 870
 871         return res;
 872 }
 873
 874
 875 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 876         struct wpa_supplicant *wpa_s, char *pos)
 877 {
 878         size_t len;
 879         struct wpabuf *buf;
 880         int ret;
 881
 882         len = os_strlen(pos);
 883         if (len & 0x01)
 884                 return -1;
 885         len /= 2;
 886
 887         buf = wpabuf_alloc(len);
 888         if (buf == NULL)
 889                 return -1;
 890         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 891                 wpabuf_free(buf);
 892                 return -1;
 893         }
 894
 895         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 896         wpabuf_free(buf);
 897
 898         return ret;
 899 }
 900
 901
 902 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 903                                               char *reply, size_t max_len,
 904                                               int cr)
 905 {
 906         struct wpabuf *buf;
 907         int res;
 908
 909         buf = wpas_wps_nfc_handover_req(wpa_s, cr);
 910         if (buf == NULL)
 911                 return -1;
 912
 913         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 914                                          wpabuf_len(buf));
 915         reply[res++] = '\n';
 916         reply[res] = '\0';
 917
 918         wpabuf_free(buf);
 919
 920         return res;
 921 }
 922
 923
 924 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 925                                           char *cmd, char *reply,
 926                                           size_t max_len)
 927 {
 928         char *pos;
 929
 930         pos = os_strchr(cmd, ' ');
 931         if (pos == NULL)
 932                 return -1;
 933         *pos++ = '\0';
 934
 935         if (os_strcmp(cmd, "NDEF") != 0)
 936                 return -1;
 937
 938         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 939                 return wpas_ctrl_nfc_get_handover_req_wps(
 940                         wpa_s, reply, max_len, os_strcmp(pos, "WPS-CR") == 0);
 941         }
 942
 943         return -1;
 944 }
 945
 946
 947 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
 948                                               char *reply, size_t max_len,
 949                                               int ndef, int cr, char *uuid)
 950 {
 951         struct wpabuf *buf;
 952         int res;
 953
 954         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
 955         if (buf == NULL)
 956                 return -1;
 957
 958         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 959                                          wpabuf_len(buf));
 960         reply[res++] = '\n';
 961         reply[res] = '\0';
 962
 963         wpabuf_free(buf);
 964
 965         return res;
 966 }
 967
 968
 969 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
 970                                           char *cmd, char *reply,
 971                                           size_t max_len)
 972 {
 973         char *pos, *pos2;
 974         int ndef;
 975
 976         pos = os_strchr(cmd, ' ');
 977         if (pos == NULL)
 978                 return -1;
 979         *pos++ = '\0';
 980
 981         if (os_strcmp(cmd, "WPS") == 0)
 982                 ndef = 0;
 983         else if (os_strcmp(cmd, "NDEF") == 0)
 984                 ndef = 1;
 985         else
 986                 return -1;
 987
 988         pos2 = os_strchr(pos, ' ');
 989         if (pos2)
 990                 *pos2++ = '\0';
 991         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 992                 return wpas_ctrl_nfc_get_handover_sel_wps(
 993                         wpa_s, reply, max_len, ndef,
 994                         os_strcmp(pos, "WPS-CR") == 0, pos2);
 995         }
 996
 997         return -1;
 998 }
 999
1000
1001 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
1002                                          char *cmd, char *reply,
1003                                          size_t max_len)
1004 {
1005         size_t len;
1006         struct wpabuf *buf;
1007         int ret;
1008
1009         len = os_strlen(cmd);
1010         if (len & 0x01)
1011                 return -1;
1012         len /= 2;
1013
1014         buf = wpabuf_alloc(len);
1015         if (buf == NULL)
1016                 return -1;
1017         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1018                 wpabuf_free(buf);
1019                 return -1;
1020         }
1021
1022         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
1023         wpabuf_free(buf);
1024
1025         return ret;
1026 }
1027
1028
1029 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
1030                                          char *cmd)
1031 {
1032         size_t len;
1033         struct wpabuf *buf;
1034         int ret;
1035
1036         len = os_strlen(cmd);
1037         if (len & 0x01)
1038                 return -1;
1039         len /= 2;
1040
1041         buf = wpabuf_alloc(len);
1042         if (buf == NULL)
1043                 return -1;
1044         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1045                 wpabuf_free(buf);
1046                 return -1;
1047         }
1048
1049         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1050         wpabuf_free(buf);
1051
1052         return ret;
1053 }
1054
1055
1056 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1057                                          char *cmd)
1058 {
1059         size_t len;
1060         struct wpabuf *req, *sel;
1061         int ret;
1062         char *pos, *role, *type, *pos2;
1063
1064         role = cmd;
1065         pos = os_strchr(role, ' ');
1066         if (pos == NULL)
1067                 return -1;
1068         *pos++ = '\0';
1069
1070         type = pos;
1071         pos = os_strchr(type, ' ');
1072         if (pos == NULL)
1073                 return -1;
1074         *pos++ = '\0';
1075
1076         pos2 = os_strchr(pos, ' ');
1077         if (pos2 == NULL)
1078                 return -1;
1079         *pos2++ = '\0';
1080
1081         len = os_strlen(pos);
1082         if (len & 0x01)
1083                 return -1;
1084         len /= 2;
1085
1086         req = wpabuf_alloc(len);
1087         if (req == NULL)
1088                 return -1;
1089         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1090                 wpabuf_free(req);
1091                 return -1;
1092         }
1093
1094         len = os_strlen(pos2);
1095         if (len & 0x01) {
1096                 wpabuf_free(req);
1097                 return -1;
1098         }
1099         len /= 2;
1100
1101         sel = wpabuf_alloc(len);
1102         if (sel == NULL) {
1103                 wpabuf_free(req);
1104                 return -1;
1105         }
1106         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1107                 wpabuf_free(req);
1108                 wpabuf_free(sel);
1109                 return -1;
1110         }
1111
1112         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1113                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1114         } else {
1115                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1116                            "reported: role=%s type=%s", role, type);
1117                 ret = -1;
1118         }
1119         wpabuf_free(req);
1120         wpabuf_free(sel);
1121
1122         return ret;
1123 }
1124
1125 #endif /* CONFIG_WPS_NFC */
1126
1127
1128 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1129                                              char *cmd)
1130 {
1131         u8 bssid[ETH_ALEN];
1132         char *pin;
1133         char *new_ssid;
1134         char *new_auth;
1135         char *new_encr;
1136         char *new_key;
1137         struct wps_new_ap_settings ap;
1138
1139         pin = os_strchr(cmd, ' ');
1140         if (pin == NULL)
1141                 return -1;
1142         *pin++ = '\0';
1143
1144         if (hwaddr_aton(cmd, bssid)) {
1145                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1146                            cmd);
1147                 return -1;
1148         }
1149
1150         new_ssid = os_strchr(pin, ' ');
1151         if (new_ssid == NULL)
1152                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1153         *new_ssid++ = '\0';
1154
1155         new_auth = os_strchr(new_ssid, ' ');
1156         if (new_auth == NULL)
1157                 return -1;
1158         *new_auth++ = '\0';
1159
1160         new_encr = os_strchr(new_auth, ' ');
1161         if (new_encr == NULL)
1162                 return -1;
1163         *new_encr++ = '\0';
1164
1165         new_key = os_strchr(new_encr, ' ');
1166         if (new_key == NULL)
1167                 return -1;
1168         *new_key++ = '\0';
1169
1170         os_memset(&ap, 0, sizeof(ap));
1171         ap.ssid_hex = new_ssid;
1172         ap.auth = new_auth;
1173         ap.encr = new_encr;
1174         ap.key_hex = new_key;
1175         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1176 }
1177
1178
1179 #ifdef CONFIG_AP
1180 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1181                                                 char *cmd, char *buf,
1182                                                 size_t buflen)
1183 {
1184         int timeout = 300;
1185         char *pos;
1186         const char *pin_txt;
1187
1188         if (!wpa_s->ap_iface)
1189                 return -1;
1190
1191         pos = os_strchr(cmd, ' ');
1192         if (pos)
1193                 *pos++ = '\0';
1194
1195         if (os_strcmp(cmd, "disable") == 0) {
1196                 wpas_wps_ap_pin_disable(wpa_s);
1197                 return os_snprintf(buf, buflen, "OK\n");
1198         }
1199
1200         if (os_strcmp(cmd, "random") == 0) {
1201                 if (pos)
1202                         timeout = atoi(pos);
1203                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1204                 if (pin_txt == NULL)
1205                         return -1;
1206                 return os_snprintf(buf, buflen, "%s", pin_txt);
1207         }
1208
1209         if (os_strcmp(cmd, "get") == 0) {
1210                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1211                 if (pin_txt == NULL)
1212                         return -1;
1213                 return os_snprintf(buf, buflen, "%s", pin_txt);
1214         }
1215
1216         if (os_strcmp(cmd, "set") == 0) {
1217                 char *pin;
1218                 if (pos == NULL)
1219                         return -1;
1220                 pin = pos;
1221                 pos = os_strchr(pos, ' ');
1222                 if (pos) {
1223                         *pos++ = '\0';
1224                         timeout = atoi(pos);
1225                 }
1226                 if (os_strlen(pin) > buflen)
1227                         return -1;
1228                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1229                         return -1;
1230                 return os_snprintf(buf, buflen, "%s", pin);
1231         }
1232
1233         return -1;
1234 }
1235 #endif /* CONFIG_AP */
1236
1237
1238 #ifdef CONFIG_WPS_ER
1239 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1240                                                 char *cmd)
1241 {
1242         char *uuid = cmd, *pin, *pos;
1243         u8 addr_buf[ETH_ALEN], *addr = NULL;
1244         pin = os_strchr(uuid, ' ');
1245         if (pin == NULL)
1246                 return -1;
1247         *pin++ = '\0';
1248         pos = os_strchr(pin, ' ');
1249         if (pos) {
1250                 *pos++ = '\0';
1251                 if (hwaddr_aton(pos, addr_buf) == 0)
1252                         addr = addr_buf;
1253         }
1254         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1255 }
1256
1257
1258 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1259                                                   char *cmd)
1260 {
1261         char *uuid = cmd, *pin;
1262         pin = os_strchr(uuid, ' ');
1263         if (pin == NULL)
1264                 return -1;
1265         *pin++ = '\0';
1266         return wpas_wps_er_learn(wpa_s, uuid, pin);
1267 }
1268
1269
1270 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1271         struct wpa_supplicant *wpa_s, char *cmd)
1272 {
1273         char *uuid = cmd, *id;
1274         id = os_strchr(uuid, ' ');
1275         if (id == NULL)
1276                 return -1;
1277         *id++ = '\0';
1278         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1279 }
1280
1281
1282 static int wpa_supplicant_ctrl_iface_wps_er_config(
1283         struct wpa_supplicant *wpa_s, char *cmd)
1284 {
1285         char *pin;
1286         char *new_ssid;
1287         char *new_auth;
1288         char *new_encr;
1289         char *new_key;
1290         struct wps_new_ap_settings ap;
1291
1292         pin = os_strchr(cmd, ' ');
1293         if (pin == NULL)
1294                 return -1;
1295         *pin++ = '\0';
1296
1297         new_ssid = os_strchr(pin, ' ');
1298         if (new_ssid == NULL)
1299                 return -1;
1300         *new_ssid++ = '\0';
1301
1302         new_auth = os_strchr(new_ssid, ' ');
1303         if (new_auth == NULL)
1304                 return -1;
1305         *new_auth++ = '\0';
1306
1307         new_encr = os_strchr(new_auth, ' ');
1308         if (new_encr == NULL)
1309                 return -1;
1310         *new_encr++ = '\0';
1311
1312         new_key = os_strchr(new_encr, ' ');
1313         if (new_key == NULL)
1314                 return -1;
1315         *new_key++ = '\0';
1316
1317         os_memset(&ap, 0, sizeof(ap));
1318         ap.ssid_hex = new_ssid;
1319         ap.auth = new_auth;
1320         ap.encr = new_encr;
1321         ap.key_hex = new_key;
1322         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1323 }
1324
1325
1326 #ifdef CONFIG_WPS_NFC
1327 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1328         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1329 {
1330         int ndef;
1331         struct wpabuf *buf;
1332         int res;
1333         char *uuid;
1334
1335         uuid = os_strchr(cmd, ' ');
1336         if (uuid == NULL)
1337                 return -1;
1338         *uuid++ = '\0';
1339
1340         if (os_strcmp(cmd, "WPS") == 0)
1341                 ndef = 0;
1342         else if (os_strcmp(cmd, "NDEF") == 0)
1343                 ndef = 1;
1344         else
1345                 return -1;
1346
1347         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1348         if (buf == NULL)
1349                 return -1;
1350
1351         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1352                                          wpabuf_len(buf));
1353         reply[res++] = '\n';
1354         reply[res] = '\0';
1355
1356         wpabuf_free(buf);
1357
1358         return res;
1359 }
1360 #endif /* CONFIG_WPS_NFC */
1361 #endif /* CONFIG_WPS_ER */
1362
1363 #endif /* CONFIG_WPS */
1364
1365
1366 #ifdef CONFIG_IBSS_RSN
1367 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1368         struct wpa_supplicant *wpa_s, char *addr)
1369 {
1370         u8 peer[ETH_ALEN];
1371
1372         if (hwaddr_aton(addr, peer)) {
1373                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1374                            "address '%s'", addr);
1375                 return -1;
1376         }
1377
1378         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1379                    MAC2STR(peer));
1380
1381         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1382 }
1383 #endif /* CONFIG_IBSS_RSN */
1384
1385
1386 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1387                                               char *rsp)
1388 {
1389 #ifdef IEEE8021X_EAPOL
1390         char *pos, *id_pos;
1391         int id;
1392         struct wpa_ssid *ssid;
1393
1394         pos = os_strchr(rsp, '-');
1395         if (pos == NULL)
1396                 return -1;
1397         *pos++ = '\0';
1398         id_pos = pos;
1399         pos = os_strchr(pos, ':');
1400         if (pos == NULL)
1401                 return -1;
1402         *pos++ = '\0';
1403         id = atoi(id_pos);
1404         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1405         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1406                               (u8 *) pos, os_strlen(pos));
1407
1408         ssid = wpa_config_get_network(wpa_s->conf, id);
1409         if (ssid == NULL) {
1410                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1411                            "to update", id);
1412                 return -1;
1413         }
1414
1415         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1416                                                          pos);
1417 #else /* IEEE8021X_EAPOL */
1418         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1419         return -1;
1420 #endif /* IEEE8021X_EAPOL */
1421 }
1422
1423
1424 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1425                                             const char *params,
1426                                             char *buf, size_t buflen)
1427 {
1428         char *pos, *end, tmp[30];
1429         int res, verbose, wps, ret;
1430
1431         if (os_strcmp(params, "-DRIVER") == 0)
1432                 return wpa_drv_status(wpa_s, buf, buflen);
1433         verbose = os_strcmp(params, "-VERBOSE") == 0;
1434         wps = os_strcmp(params, "-WPS") == 0;
1435         pos = buf;
1436         end = buf + buflen;
1437         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1438                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1439                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1440                                   MAC2STR(wpa_s->bssid));
1441                 if (ret < 0 || ret >= end - pos)
1442                         return pos - buf;
1443                 pos += ret;
1444                 if (ssid) {
1445                         u8 *_ssid = ssid->ssid;
1446                         size_t ssid_len = ssid->ssid_len;
1447                         u8 ssid_buf[MAX_SSID_LEN];
1448                         if (ssid_len == 0) {
1449                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1450                                 if (_res < 0)
1451                                         ssid_len = 0;
1452                                 else
1453                                         ssid_len = _res;
1454                                 _ssid = ssid_buf;
1455                         }
1456                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1457                                           wpa_ssid_txt(_ssid, ssid_len),
1458                                           ssid->id);
1459                         if (ret < 0 || ret >= end - pos)
1460                                 return pos - buf;
1461                         pos += ret;
1462
1463                         if (wps && ssid->passphrase &&
1464                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1465                             (ssid->mode == WPAS_MODE_AP ||
1466                              ssid->mode == WPAS_MODE_P2P_GO)) {
1467                                 ret = os_snprintf(pos, end - pos,
1468                                                   "passphrase=%s\n",
1469                                                   ssid->passphrase);
1470                                 if (ret < 0 || ret >= end - pos)
1471                                         return pos - buf;
1472                                 pos += ret;
1473                         }
1474                         if (ssid->id_str) {
1475                                 ret = os_snprintf(pos, end - pos,
1476                                                   "id_str=%s\n",
1477                                                   ssid->id_str);
1478                                 if (ret < 0 || ret >= end - pos)
1479                                         return pos - buf;
1480                                 pos += ret;
1481                         }
1482
1483                         switch (ssid->mode) {
1484                         case WPAS_MODE_INFRA:
1485                                 ret = os_snprintf(pos, end - pos,
1486                                                   "mode=station\n");
1487                                 break;
1488                         case WPAS_MODE_IBSS:
1489                                 ret = os_snprintf(pos, end - pos,
1490                                                   "mode=IBSS\n");
1491                                 break;
1492                         case WPAS_MODE_AP:
1493                                 ret = os_snprintf(pos, end - pos,
1494                                                   "mode=AP\n");
1495                                 break;
1496                         case WPAS_MODE_P2P_GO:
1497                                 ret = os_snprintf(pos, end - pos,
1498                                                   "mode=P2P GO\n");
1499                                 break;
1500                         case WPAS_MODE_P2P_GROUP_FORMATION:
1501                                 ret = os_snprintf(pos, end - pos,
1502                                                   "mode=P2P GO - group "
1503                                                   "formation\n");
1504                                 break;
1505                         default:
1506                                 ret = 0;
1507                                 break;
1508                         }
1509                         if (ret < 0 || ret >= end - pos)
1510                                 return pos - buf;
1511                         pos += ret;
1512                 }
1513
1514 #ifdef CONFIG_AP
1515                 if (wpa_s->ap_iface) {
1516                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1517                                                             end - pos,
1518                                                             verbose);
1519                 } else
1520 #endif /* CONFIG_AP */
1521                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1522         }
1523 #ifdef CONFIG_SAE
1524         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1525 #ifdef CONFIG_AP
1526             !wpa_s->ap_iface &&
1527 #endif /* CONFIG_AP */
1528             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1529                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1530                                   wpa_s->sme.sae.group);
1531                 if (ret < 0 || ret >= end - pos)
1532                         return pos - buf;
1533                 pos += ret;
1534         }
1535 #endif /* CONFIG_SAE */
1536         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1537                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1538         if (ret < 0 || ret >= end - pos)
1539                 return pos - buf;
1540         pos += ret;
1541
1542         if (wpa_s->l2 &&
1543             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1544                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1545                 if (ret < 0 || ret >= end - pos)
1546                         return pos - buf;
1547                 pos += ret;
1548         }
1549
1550 #ifdef CONFIG_P2P
1551         if (wpa_s->global->p2p) {
1552                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1553                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1554                 if (ret < 0 || ret >= end - pos)
1555                         return pos - buf;
1556                 pos += ret;
1557         }
1558 #endif /* CONFIG_P2P */
1559
1560         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1561                           MAC2STR(wpa_s->own_addr));
1562         if (ret < 0 || ret >= end - pos)
1563                 return pos - buf;
1564         pos += ret;
1565
1566 #ifdef CONFIG_HS20
1567         if (wpa_s->current_bss &&
1568             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1569             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1570             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1571                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1572                 if (ret < 0 || ret >= end - pos)
1573                         return pos - buf;
1574                 pos += ret;
1575         }
1576
1577         if (wpa_s->current_ssid) {
1578                 struct wpa_cred *cred;
1579                 char *type;
1580
1581                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1582                         size_t i;
1583
1584                         if (wpa_s->current_ssid->parent_cred != cred)
1585                                 continue;
1586
1587                         for (i = 0; cred->domain && i < cred->num_domain; i++) {
1588                                 ret = os_snprintf(pos, end - pos,
1589                                                   "home_sp=%s\n",
1590                                                   cred->domain[i]);
1591                                 if (ret < 0 || ret >= end - pos)
1592                                         return pos - buf;
1593                                 pos += ret;
1594                         }
1595
1596                         if (wpa_s->current_bss == NULL ||
1597                             wpa_s->current_bss->anqp == NULL)
1598                                 res = -1;
1599                         else
1600                                 res = interworking_home_sp_cred(
1601                                         wpa_s, cred,
1602                                         wpa_s->current_bss->anqp->domain_name);
1603                         if (res > 0)
1604                                 type = "home";
1605                         else if (res == 0)
1606                                 type = "roaming";
1607                         else
1608                                 type = "unknown";
1609
1610                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1611                         if (ret < 0 || ret >= end - pos)
1612                                 return pos - buf;
1613                         pos += ret;
1614
1615                         break;
1616                 }
1617         }
1618 #endif /* CONFIG_HS20 */
1619
1620         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1621             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1622                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1623                                           verbose);
1624                 if (res >= 0)
1625                         pos += res;
1626         }
1627
1628         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1629         if (res >= 0)
1630                 pos += res;
1631
1632 #ifdef ANDROID
1633         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1634                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1635                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1636                      wpa_s->wpa_state,
1637                      MAC2STR(wpa_s->bssid),
1638                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1639                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1640                                   wpa_s->current_ssid->ssid_len) : "");
1641         if (wpa_s->wpa_state == WPA_COMPLETED) {
1642                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1643                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED
1644                              "- connection to " MACSTR
1645                              " completed %s [id=%d id_str=%s]",
1646                              MAC2STR(wpa_s->bssid), "(auth)",
1647                              ssid ? ssid->id : -1,
1648                              ssid && ssid->id_str ? ssid->id_str : "");
1649         }
1650 #endif /* ANDROID */
1651
1652         return pos - buf;
1653 }
1654
1655
1656 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1657                                            char *cmd)
1658 {
1659         char *pos;
1660         int id;
1661         struct wpa_ssid *ssid;
1662         u8 bssid[ETH_ALEN];
1663
1664         /* cmd: "<network id> <BSSID>" */
1665         pos = os_strchr(cmd, ' ');
1666         if (pos == NULL)
1667                 return -1;
1668         *pos++ = '\0';
1669         id = atoi(cmd);
1670         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1671         if (hwaddr_aton(pos, bssid)) {
1672                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1673                 return -1;
1674         }
1675
1676         ssid = wpa_config_get_network(wpa_s->conf, id);
1677         if (ssid == NULL) {
1678                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1679                            "to update", id);
1680                 return -1;
1681         }
1682
1683         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1684         ssid->bssid_set = !is_zero_ether_addr(bssid);
1685
1686         return 0;
1687 }
1688
1689
1690 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1691                                                char *cmd, char *buf,
1692                                                size_t buflen)
1693 {
1694         u8 bssid[ETH_ALEN];
1695         struct wpa_blacklist *e;
1696         char *pos, *end;
1697         int ret;
1698
1699         /* cmd: "BLACKLIST [<BSSID>]" */
1700         if (*cmd == '\0') {
1701                 pos = buf;
1702                 end = buf + buflen;
1703                 e = wpa_s->blacklist;
1704                 while (e) {
1705                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1706                                           MAC2STR(e->bssid));
1707                         if (ret < 0 || ret >= end - pos)
1708                                 return pos - buf;
1709                         pos += ret;
1710                         e = e->next;
1711                 }
1712                 return pos - buf;
1713         }
1714
1715         cmd++;
1716         if (os_strncmp(cmd, "clear", 5) == 0) {
1717                 wpa_blacklist_clear(wpa_s);
1718                 os_memcpy(buf, "OK\n", 3);
1719                 return 3;
1720         }
1721
1722         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1723         if (hwaddr_aton(cmd, bssid)) {
1724                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1725                 return -1;
1726         }
1727
1728         /*
1729          * Add the BSSID twice, so its count will be 2, causing it to be
1730          * skipped when processing scan results.
1731          */
1732         ret = wpa_blacklist_add(wpa_s, bssid);
1733         if (ret != 0)
1734                 return -1;
1735         ret = wpa_blacklist_add(wpa_s, bssid);
1736         if (ret != 0)
1737                 return -1;
1738         os_memcpy(buf, "OK\n", 3);
1739         return 3;
1740 }
1741
1742
1743 extern int wpa_debug_level;
1744 extern int wpa_debug_timestamp;
1745
1746 static const char * debug_level_str(int level)
1747 {
1748         switch (level) {
1749         case MSG_EXCESSIVE:
1750                 return "EXCESSIVE";
1751         case MSG_MSGDUMP:
1752                 return "MSGDUMP";
1753         case MSG_DEBUG:
1754                 return "DEBUG";
1755         case MSG_INFO:
1756                 return "INFO";
1757         case MSG_WARNING:
1758                 return "WARNING";
1759         case MSG_ERROR:
1760                 return "ERROR";
1761         default:
1762                 return "?";
1763         }
1764 }
1765
1766
1767 static int str_to_debug_level(const char *s)
1768 {
1769         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1770                 return MSG_EXCESSIVE;
1771         if (os_strcasecmp(s, "MSGDUMP") == 0)
1772                 return MSG_MSGDUMP;
1773         if (os_strcasecmp(s, "DEBUG") == 0)
1774                 return MSG_DEBUG;
1775         if (os_strcasecmp(s, "INFO") == 0)
1776                 return MSG_INFO;
1777         if (os_strcasecmp(s, "WARNING") == 0)
1778                 return MSG_WARNING;
1779         if (os_strcasecmp(s, "ERROR") == 0)
1780                 return MSG_ERROR;
1781         return -1;
1782 }
1783
1784
1785 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1786                                                char *cmd, char *buf,
1787                                                size_t buflen)
1788 {
1789         char *pos, *end, *stamp;
1790         int ret;
1791
1792         if (cmd == NULL) {
1793                 return -1;
1794         }
1795
1796         /* cmd: "LOG_LEVEL [<level>]" */
1797         if (*cmd == '\0') {
1798                 pos = buf;
1799                 end = buf + buflen;
1800                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1801                                   "Timestamp: %d\n",
1802                                   debug_level_str(wpa_debug_level),
1803                                   wpa_debug_timestamp);
1804                 if (ret < 0 || ret >= end - pos)
1805                         ret = 0;
1806
1807                 return ret;
1808         }
1809
1810         while (*cmd == ' ')
1811                 cmd++;
1812
1813         stamp = os_strchr(cmd, ' ');
1814         if (stamp) {
1815                 *stamp++ = '\0';
1816                 while (*stamp == ' ') {
1817                         stamp++;
1818                 }
1819         }
1820
1821         if (cmd && os_strlen(cmd)) {
1822                 int level = str_to_debug_level(cmd);
1823                 if (level < 0)
1824                         return -1;
1825                 wpa_debug_level = level;
1826         }
1827
1828         if (stamp && os_strlen(stamp))
1829                 wpa_debug_timestamp = atoi(stamp);
1830
1831         os_memcpy(buf, "OK\n", 3);
1832         return 3;
1833 }
1834
1835
1836 static int wpa_supplicant_ctrl_iface_list_networks(
1837         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1838 {
1839         char *pos, *end;
1840         struct wpa_ssid *ssid;
1841         int ret;
1842
1843         pos = buf;
1844         end = buf + buflen;
1845         ret = os_snprintf(pos, end - pos,
1846                           "network id / ssid / bssid / flags\n");
1847         if (ret < 0 || ret >= end - pos)
1848                 return pos - buf;
1849         pos += ret;
1850
1851         ssid = wpa_s->conf->ssid;
1852         while (ssid) {
1853                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1854                                   ssid->id,
1855                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1856                 if (ret < 0 || ret >= end - pos)
1857                         return pos - buf;
1858                 pos += ret;
1859                 if (ssid->bssid_set) {
1860                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1861                                           MAC2STR(ssid->bssid));
1862                 } else {
1863                         ret = os_snprintf(pos, end - pos, "\tany");
1864                 }
1865                 if (ret < 0 || ret >= end - pos)
1866                         return pos - buf;
1867                 pos += ret;
1868                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1869                                   ssid == wpa_s->current_ssid ?
1870                                   "[CURRENT]" : "",
1871                                   ssid->disabled ? "[DISABLED]" : "",
1872                                   ssid->disabled_until.sec ?
1873                                   "[TEMP-DISABLED]" : "",
1874                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1875                                   "");
1876                 if (ret < 0 || ret >= end - pos)
1877                         return pos - buf;
1878                 pos += ret;
1879                 ret = os_snprintf(pos, end - pos, "\n");
1880                 if (ret < 0 || ret >= end - pos)
1881                         return pos - buf;
1882                 pos += ret;
1883
1884                 ssid = ssid->next;
1885         }
1886
1887         return pos - buf;
1888 }
1889
1890
1891 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1892 {
1893         int ret;
1894         ret = os_snprintf(pos, end - pos, "-");
1895         if (ret < 0 || ret >= end - pos)
1896                 return pos;
1897         pos += ret;
1898         ret = wpa_write_ciphers(pos, end, cipher, "+");
1899         if (ret < 0)
1900                 return pos;
1901         pos += ret;
1902         return pos;
1903 }
1904
1905
1906 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1907                                     const u8 *ie, size_t ie_len)
1908 {
1909         struct wpa_ie_data data;
1910         int first, ret;
1911
1912         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1913         if (ret < 0 || ret >= end - pos)
1914                 return pos;
1915         pos += ret;
1916
1917         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1918                 ret = os_snprintf(pos, end - pos, "?]");
1919                 if (ret < 0 || ret >= end - pos)
1920                         return pos;
1921                 pos += ret;
1922                 return pos;
1923         }
1924
1925         first = 1;
1926         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1927                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1928                 if (ret < 0 || ret >= end - pos)
1929                         return pos;
1930                 pos += ret;
1931                 first = 0;
1932         }
1933         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1934                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1935                 if (ret < 0 || ret >= end - pos)
1936                         return pos;
1937                 pos += ret;
1938                 first = 0;
1939         }
1940         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1941                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1942                 if (ret < 0 || ret >= end - pos)
1943                         return pos;
1944                 pos += ret;
1945                 first = 0;
1946         }
1947 #ifdef CONFIG_IEEE80211R
1948         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1949                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1950                                   first ? "" : "+");
1951                 if (ret < 0 || ret >= end - pos)
1952                         return pos;
1953                 pos += ret;
1954                 first = 0;
1955         }
1956         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1957                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1958                                   first ? "" : "+");
1959                 if (ret < 0 || ret >= end - pos)
1960                         return pos;
1961                 pos += ret;
1962                 first = 0;
1963         }
1964 #endif /* CONFIG_IEEE80211R */
1965 #ifdef CONFIG_IEEE80211W
1966         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1967                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1968                                   first ? "" : "+");
1969                 if (ret < 0 || ret >= end - pos)
1970                         return pos;
1971                 pos += ret;
1972                 first = 0;
1973         }
1974         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1975                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1976                                   first ? "" : "+");
1977                 if (ret < 0 || ret >= end - pos)
1978                         return pos;
1979                 pos += ret;
1980                 first = 0;
1981         }
1982 #endif /* CONFIG_IEEE80211W */
1983
1984         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1985
1986         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1987                 ret = os_snprintf(pos, end - pos, "-preauth");
1988                 if (ret < 0 || ret >= end - pos)
1989                         return pos;
1990                 pos += ret;
1991         }
1992
1993         ret = os_snprintf(pos, end - pos, "]");
1994         if (ret < 0 || ret >= end - pos)
1995                 return pos;
1996         pos += ret;
1997
1998         return pos;
1999 }
2000
2001
2002 #ifdef CONFIG_WPS
2003 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
2004                                             char *pos, char *end,
2005                                             struct wpabuf *wps_ie)
2006 {
2007         int ret;
2008         const char *txt;
2009
2010         if (wps_ie == NULL)
2011                 return pos;
2012         if (wps_is_selected_pbc_registrar(wps_ie))
2013                 txt = "[WPS-PBC]";
2014 #ifdef CONFIG_WPS2
2015         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
2016                 txt = "[WPS-AUTH]";
2017 #endif /* CONFIG_WPS2 */
2018         else if (wps_is_selected_pin_registrar(wps_ie))
2019                 txt = "[WPS-PIN]";
2020         else
2021                 txt = "[WPS]";
2022
2023         ret = os_snprintf(pos, end - pos, "%s", txt);
2024         if (ret >= 0 && ret < end - pos)
2025                 pos += ret;
2026         wpabuf_free(wps_ie);
2027         return pos;
2028 }
2029 #endif /* CONFIG_WPS */
2030
2031
2032 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2033                                         char *pos, char *end,
2034                                         const struct wpa_bss *bss)
2035 {
2036 #ifdef CONFIG_WPS
2037         struct wpabuf *wps_ie;
2038         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2039         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2040 #else /* CONFIG_WPS */
2041         return pos;
2042 #endif /* CONFIG_WPS */
2043 }
2044
2045
2046 /* Format one result on one text line into a buffer. */
2047 static int wpa_supplicant_ctrl_iface_scan_result(
2048         struct wpa_supplicant *wpa_s,
2049         const struct wpa_bss *bss, char *buf, size_t buflen)
2050 {
2051         char *pos, *end;
2052         int ret;
2053         const u8 *ie, *ie2, *p2p;
2054
2055         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2056         if (!p2p)
2057                 p2p = wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE);
2058         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2059             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2060             0)
2061                 return 0; /* Do not show P2P listen discovery results here */
2062
2063         pos = buf;
2064         end = buf + buflen;
2065
2066         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2067                           MAC2STR(bss->bssid), bss->freq, bss->level);
2068         if (ret < 0 || ret >= end - pos)
2069                 return -1;
2070         pos += ret;
2071         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2072         if (ie)
2073                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2074         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2075         if (ie2)
2076                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2077         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2078         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2079                 ret = os_snprintf(pos, end - pos, "[WEP]");
2080                 if (ret < 0 || ret >= end - pos)
2081                         return -1;
2082                 pos += ret;
2083         }
2084         if (bss->caps & IEEE80211_CAP_IBSS) {
2085                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2086                 if (ret < 0 || ret >= end - pos)
2087                         return -1;
2088                 pos += ret;
2089         }
2090         if (bss->caps & IEEE80211_CAP_ESS) {
2091                 ret = os_snprintf(pos, end - pos, "[ESS]");
2092                 if (ret < 0 || ret >= end - pos)
2093                         return -1;
2094                 pos += ret;
2095         }
2096         if (p2p) {
2097                 ret = os_snprintf(pos, end - pos, "[P2P]");
2098                 if (ret < 0 || ret >= end - pos)
2099                         return -1;
2100                 pos += ret;
2101         }
2102 #ifdef CONFIG_HS20
2103         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2104                 ret = os_snprintf(pos, end - pos, "[HS20]");
2105                 if (ret < 0 || ret >= end - pos)
2106                         return -1;
2107                 pos += ret;
2108         }
2109 #endif /* CONFIG_HS20 */
2110
2111         ret = os_snprintf(pos, end - pos, "\t%s",
2112                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2113         if (ret < 0 || ret >= end - pos)
2114                 return -1;
2115         pos += ret;
2116
2117         ret = os_snprintf(pos, end - pos, "\n");
2118         if (ret < 0 || ret >= end - pos)
2119                 return -1;
2120         pos += ret;
2121
2122         return pos - buf;
2123 }
2124
2125
2126 static int wpa_supplicant_ctrl_iface_scan_results(
2127         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2128 {
2129         char *pos, *end;
2130         struct wpa_bss *bss;
2131         int ret;
2132
2133         pos = buf;
2134         end = buf + buflen;
2135         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2136                           "flags / ssid\n");
2137         if (ret < 0 || ret >= end - pos)
2138                 return pos - buf;
2139         pos += ret;
2140
2141         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2142                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2143                                                             end - pos);
2144                 if (ret < 0 || ret >= end - pos)
2145                         return pos - buf;
2146                 pos += ret;
2147         }
2148
2149         return pos - buf;
2150 }
2151
2152
2153 static int wpa_supplicant_ctrl_iface_select_network(
2154         struct wpa_supplicant *wpa_s, char *cmd)
2155 {
2156         int id;
2157         struct wpa_ssid *ssid;
2158
2159         /* cmd: "<network id>" or "any" */
2160         if (os_strcmp(cmd, "any") == 0) {
2161                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2162                 ssid = NULL;
2163         } else {
2164                 id = atoi(cmd);
2165                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2166
2167                 ssid = wpa_config_get_network(wpa_s->conf, id);
2168                 if (ssid == NULL) {
2169                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2170                                    "network id=%d", id);
2171                         return -1;
2172                 }
2173                 if (ssid->disabled == 2) {
2174                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2175                                    "SELECT_NETWORK with persistent P2P group");
2176                         return -1;
2177                 }
2178         }
2179
2180         wpa_supplicant_select_network(wpa_s, ssid);
2181
2182         return 0;
2183 }
2184
2185
2186 static int wpa_supplicant_ctrl_iface_enable_network(
2187         struct wpa_supplicant *wpa_s, char *cmd)
2188 {
2189         int id;
2190         struct wpa_ssid *ssid;
2191
2192         /* cmd: "<network id>" or "all" */
2193         if (os_strcmp(cmd, "all") == 0) {
2194                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2195                 ssid = NULL;
2196         } else {
2197                 id = atoi(cmd);
2198                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2199
2200                 ssid = wpa_config_get_network(wpa_s->conf, id);
2201                 if (ssid == NULL) {
2202                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2203                                    "network id=%d", id);
2204                         return -1;
2205                 }
2206                 if (ssid->disabled == 2) {
2207                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2208                                    "ENABLE_NETWORK with persistent P2P group");
2209                         return -1;
2210                 }
2211
2212                 if (os_strstr(cmd, " no-connect")) {
2213                         ssid->disabled = 0;
2214                         return 0;
2215                 }
2216         }
2217         wpa_supplicant_enable_network(wpa_s, ssid);
2218
2219         return 0;
2220 }
2221
2222
2223 static int wpa_supplicant_ctrl_iface_disable_network(
2224         struct wpa_supplicant *wpa_s, char *cmd)
2225 {
2226         int id;
2227         struct wpa_ssid *ssid;
2228
2229         /* cmd: "<network id>" or "all" */
2230         if (os_strcmp(cmd, "all") == 0) {
2231                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2232                 ssid = NULL;
2233         } else {
2234                 id = atoi(cmd);
2235                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2236
2237                 ssid = wpa_config_get_network(wpa_s->conf, id);
2238                 if (ssid == NULL) {
2239                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2240                                    "network id=%d", id);
2241                         return -1;
2242                 }
2243                 if (ssid->disabled == 2) {
2244                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2245                                    "DISABLE_NETWORK with persistent P2P "
2246                                    "group");
2247                         return -1;
2248                 }
2249         }
2250         wpa_supplicant_disable_network(wpa_s, ssid);
2251
2252         return 0;
2253 }
2254
2255
2256 static int wpa_supplicant_ctrl_iface_add_network(
2257         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2258 {
2259         struct wpa_ssid *ssid;
2260         int ret;
2261
2262         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2263
2264         ssid = wpa_config_add_network(wpa_s->conf);
2265         if (ssid == NULL)
2266                 return -1;
2267
2268         wpas_notify_network_added(wpa_s, ssid);
2269
2270         ssid->disabled = 1;
2271         wpa_config_set_network_defaults(ssid);
2272
2273         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2274         if (ret < 0 || (size_t) ret >= buflen)
2275                 return -1;
2276         return ret;
2277 }
2278
2279
2280 static int wpa_supplicant_ctrl_iface_remove_network(
2281         struct wpa_supplicant *wpa_s, char *cmd)
2282 {
2283         int id;
2284         struct wpa_ssid *ssid;
2285         int was_disabled;
2286
2287         /* cmd: "<network id>" or "all" */
2288         if (os_strcmp(cmd, "all") == 0) {
2289                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2290                 if (wpa_s->sched_scanning)
2291                         wpa_supplicant_cancel_sched_scan(wpa_s);
2292
2293                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2294                 if (wpa_s->current_ssid) {
2295 #ifdef CONFIG_SME
2296                         wpa_s->sme.prev_bssid_set = 0;
2297 #endif /* CONFIG_SME */
2298                         wpa_sm_set_config(wpa_s->wpa, NULL);
2299                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2300                         wpa_supplicant_deauthenticate(
2301                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2302                 }
2303                 ssid = wpa_s->conf->ssid;
2304                 while (ssid) {
2305                         struct wpa_ssid *remove_ssid = ssid;
2306                         id = ssid->id;
2307                         ssid = ssid->next;
2308                         wpas_notify_network_removed(wpa_s, remove_ssid);
2309                         wpa_config_remove_network(wpa_s->conf, id);
2310                 }
2311                 return 0;
2312         }
2313
2314         id = atoi(cmd);
2315         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2316
2317         ssid = wpa_config_get_network(wpa_s->conf, id);
2318         if (ssid)
2319                 wpas_notify_network_removed(wpa_s, ssid);
2320         if (ssid == NULL) {
2321                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2322                            "id=%d", id);
2323                 return -1;
2324         }
2325
2326         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2327 #ifdef CONFIG_SME
2328                 wpa_s->sme.prev_bssid_set = 0;
2329 #endif /* CONFIG_SME */
2330                 /*
2331                  * Invalidate the EAP session cache if the current or
2332                  * previously used network is removed.
2333                  */
2334                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2335         }
2336
2337         if (ssid == wpa_s->current_ssid) {
2338                 wpa_sm_set_config(wpa_s->wpa, NULL);
2339                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2340
2341                 wpa_supplicant_deauthenticate(wpa_s,
2342                                               WLAN_REASON_DEAUTH_LEAVING);
2343         }
2344
2345         was_disabled = ssid->disabled;
2346
2347         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2348                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2349                            "network id=%d", id);
2350                 return -1;
2351         }
2352
2353         if (!was_disabled && wpa_s->sched_scanning) {
2354                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2355                            "network from filters");
2356                 wpa_supplicant_cancel_sched_scan(wpa_s);
2357                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2358         }
2359
2360         return 0;
2361 }
2362
2363
2364 static int wpa_supplicant_ctrl_iface_set_network(
2365         struct wpa_supplicant *wpa_s, char *cmd)
2366 {
2367         int id;
2368         struct wpa_ssid *ssid;
2369         char *name, *value;
2370
2371         /* cmd: "<network id> <variable name> <value>" */
2372         name = os_strchr(cmd, ' ');
2373         if (name == NULL)
2374                 return -1;
2375         *name++ = '\0';
2376
2377         value = os_strchr(name, ' ');
2378         if (value == NULL)
2379                 return -1;
2380         *value++ = '\0';
2381
2382         id = atoi(cmd);
2383         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2384                    id, name);
2385         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2386                               (u8 *) value, os_strlen(value));
2387
2388         ssid = wpa_config_get_network(wpa_s->conf, id);
2389         if (ssid == NULL) {
2390                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2391                            "id=%d", id);
2392                 return -1;
2393         }
2394
2395         if (wpa_config_set(ssid, name, value, 0) < 0) {
2396                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2397                            "variable '%s'", name);
2398                 return -1;
2399         }
2400
2401         if (os_strcmp(name, "bssid") != 0 &&
2402             os_strcmp(name, "priority") != 0)
2403                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2404
2405         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2406                 /*
2407                  * Invalidate the EAP session cache if anything in the current
2408                  * or previously used configuration changes.
2409                  */
2410                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2411         }
2412
2413         if ((os_strcmp(name, "psk") == 0 &&
2414              value[0] == '"' && ssid->ssid_len) ||
2415             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2416                 wpa_config_update_psk(ssid);
2417         else if (os_strcmp(name, "priority") == 0)
2418                 wpa_config_update_prio_list(wpa_s->conf);
2419
2420         return 0;
2421 }
2422
2423
2424 static int wpa_supplicant_ctrl_iface_get_network(
2425         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2426 {
2427         int id;
2428         size_t res;
2429         struct wpa_ssid *ssid;
2430         char *name, *value;
2431
2432         /* cmd: "<network id> <variable name>" */
2433         name = os_strchr(cmd, ' ');
2434         if (name == NULL || buflen == 0)
2435                 return -1;
2436         *name++ = '\0';
2437
2438         id = atoi(cmd);
2439         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2440                    id, name);
2441
2442         ssid = wpa_config_get_network(wpa_s->conf, id);
2443         if (ssid == NULL) {
2444                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2445                            "id=%d", id);
2446                 return -1;
2447         }
2448
2449         value = wpa_config_get_no_key(ssid, name);
2450         if (value == NULL) {
2451                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2452                            "variable '%s'", name);
2453                 return -1;
2454         }
2455
2456         res = os_strlcpy(buf, value, buflen);
2457         if (res >= buflen) {
2458                 os_free(value);
2459                 return -1;
2460         }
2461
2462         os_free(value);
2463
2464         return res;
2465 }
2466
2467
2468 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2469                                                 char *buf, size_t buflen)
2470 {
2471         char *pos, *end;
2472         struct wpa_cred *cred;
2473         int ret;
2474
2475         pos = buf;
2476         end = buf + buflen;
2477         ret = os_snprintf(pos, end - pos,
2478                           "cred id / realm / username / domain / imsi\n");
2479         if (ret < 0 || ret >= end - pos)
2480                 return pos - buf;
2481         pos += ret;
2482
2483         cred = wpa_s->conf->cred;
2484         while (cred) {
2485                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2486                                   cred->id, cred->realm ? cred->realm : "",
2487                                   cred->username ? cred->username : "",
2488                                   cred->domain ? cred->domain[0] : "",
2489                                   cred->imsi ? cred->imsi : "");
2490                 if (ret < 0 || ret >= end - pos)
2491                         return pos - buf;
2492                 pos += ret;
2493
2494                 cred = cred->next;
2495         }
2496
2497         return pos - buf;
2498 }
2499
2500
2501 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2502                                               char *buf, size_t buflen)
2503 {
2504         struct wpa_cred *cred;
2505         int ret;
2506
2507         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2508
2509         cred = wpa_config_add_cred(wpa_s->conf);
2510         if (cred == NULL)
2511                 return -1;
2512
2513         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2514         if (ret < 0 || (size_t) ret >= buflen)
2515                 return -1;
2516         return ret;
2517 }
2518
2519
2520 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2521                                  struct wpa_cred *cred)
2522 {
2523         struct wpa_ssid *ssid;
2524         char str[20];
2525
2526         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2527                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2528                 return -1;
2529         }
2530
2531         /* Remove any network entry created based on the removed credential */
2532         ssid = wpa_s->conf->ssid;
2533         while (ssid) {
2534                 if (ssid->parent_cred == cred) {
2535                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2536                                    "used the removed credential", ssid->id);
2537                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2538                         ssid = ssid->next;
2539                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2540                 } else
2541                         ssid = ssid->next;
2542         }
2543
2544         return 0;
2545 }
2546
2547
2548 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2549                                                  char *cmd)
2550 {
2551         int id;
2552         struct wpa_cred *cred, *prev;
2553
2554         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2555         if (os_strcmp(cmd, "all") == 0) {
2556                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2557                 cred = wpa_s->conf->cred;
2558                 while (cred) {
2559                         prev = cred;
2560                         cred = cred->next;
2561                         wpas_ctrl_remove_cred(wpa_s, prev);
2562                 }
2563                 return 0;
2564         }
2565
2566         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2567                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2568                            cmd + 8);
2569                 cred = wpa_s->conf->cred;
2570                 while (cred) {
2571                         prev = cred;
2572                         cred = cred->next;
2573                         if (prev->domain) {
2574                                 size_t i;
2575                                 for (i = 0; i < prev->num_domain; i++) {
2576                                         if (os_strcmp(prev->domain[i], cmd + 8)
2577                                             != 0)
2578                                                 continue;
2579                                         wpas_ctrl_remove_cred(wpa_s, prev);
2580                                         break;
2581                                 }
2582                         }
2583                 }
2584                 return 0;
2585         }
2586
2587         id = atoi(cmd);
2588         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2589
2590         cred = wpa_config_get_cred(wpa_s->conf, id);
2591         return wpas_ctrl_remove_cred(wpa_s, cred);
2592 }
2593
2594
2595 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2596                                               char *cmd)
2597 {
2598         int id;
2599         struct wpa_cred *cred;
2600         char *name, *value;
2601
2602         /* cmd: "<cred id> <variable name> <value>" */
2603         name = os_strchr(cmd, ' ');
2604         if (name == NULL)
2605                 return -1;
2606         *name++ = '\0';
2607
2608         value = os_strchr(name, ' ');
2609         if (value == NULL)
2610                 return -1;
2611         *value++ = '\0';
2612
2613         id = atoi(cmd);
2614         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2615                    id, name);
2616         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2617                               (u8 *) value, os_strlen(value));
2618
2619         cred = wpa_config_get_cred(wpa_s->conf, id);
2620         if (cred == NULL) {
2621                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2622                            id);
2623                 return -1;
2624         }
2625
2626         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2627                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2628                            "variable '%s'", name);
2629                 return -1;
2630         }
2631
2632         return 0;
2633 }
2634
2635
2636 #ifndef CONFIG_NO_CONFIG_WRITE
2637 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2638 {
2639         int ret;
2640
2641         if (!wpa_s->conf->update_config) {
2642                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2643                            "to update configuration (update_config=0)");
2644                 return -1;
2645         }
2646
2647         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2648         if (ret) {
2649                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2650                            "update configuration");
2651         } else {
2652                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2653                            " updated");
2654         }
2655
2656         return ret;
2657 }
2658 #endif /* CONFIG_NO_CONFIG_WRITE */
2659
2660
2661 struct cipher_info {
2662         unsigned int capa;
2663         const char *name;
2664         int group_only;
2665 };
2666
2667 static const struct cipher_info ciphers[] = {
2668         { WPA_DRIVER_CAPA_ENC_CCMP_256, "CCMP-256", 0 },
2669         { WPA_DRIVER_CAPA_ENC_GCMP_256, "GCMP-256", 0 },
2670         { WPA_DRIVER_CAPA_ENC_CCMP, "CCMP", 0 },
2671         { WPA_DRIVER_CAPA_ENC_GCMP, "GCMP", 0 },
2672         { WPA_DRIVER_CAPA_ENC_TKIP, "TKIP", 0 },
2673         { WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE, "NONE", 0 },
2674         { WPA_DRIVER_CAPA_ENC_WEP104, "WEP104", 1 },
2675         { WPA_DRIVER_CAPA_ENC_WEP40, "WEP40", 1 }
2676 };
2677
2678
2679 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2680                                               struct wpa_driver_capa *capa,
2681                                               char *buf, size_t buflen)
2682 {
2683         int ret, first = 1;
2684         char *pos, *end;
2685         size_t len;
2686         unsigned int i;
2687
2688         pos = buf;
2689         end = pos + buflen;
2690
2691         if (res < 0) {
2692                 if (strict)
2693                         return 0;
2694                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2695                 if (len >= buflen)
2696                         return -1;
2697                 return len;
2698         }
2699
2700         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2701                 if (!ciphers[i].group_only && capa->enc & ciphers[i].capa) {
2702                         ret = os_snprintf(pos, end - pos, "%s%s",
2703                                           first ? "" : " ", ciphers[i].name);
2704                         if (ret < 0 || ret >= end - pos)
2705                                 return pos - buf;
2706                         pos += ret;
2707                         first = 0;
2708                 }
2709         }
2710
2711         return pos - buf;
2712 }
2713
2714
2715 static int ctrl_iface_get_capability_group(int res, char *strict,
2716                                            struct wpa_driver_capa *capa,
2717                                            char *buf, size_t buflen)
2718 {
2719         int ret, first = 1;
2720         char *pos, *end;
2721         size_t len;
2722         unsigned int i;
2723
2724         pos = buf;
2725         end = pos + buflen;
2726
2727         if (res < 0) {
2728                 if (strict)
2729                         return 0;
2730                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2731                 if (len >= buflen)
2732                         return -1;
2733                 return len;
2734         }
2735
2736         for (i = 0; i < ARRAY_SIZE(ciphers); i++) {
2737                 if (capa->enc & ciphers[i].capa) {
2738                         ret = os_snprintf(pos, end - pos, "%s%s",
2739                                           first ? "" : " ", ciphers[i].name);
2740                         if (ret < 0 || ret >= end - pos)
2741                                 return pos - buf;
2742                         pos += ret;
2743                         first = 0;
2744                 }
2745         }
2746
2747         return pos - buf;
2748 }
2749
2750
2751 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2752                                               struct wpa_driver_capa *capa,
2753                                               char *buf, size_t buflen)
2754 {
2755         int ret;
2756         char *pos, *end;
2757         size_t len;
2758
2759         pos = buf;
2760         end = pos + buflen;
2761
2762         if (res < 0) {
2763                 if (strict)
2764                         return 0;
2765                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2766                                  "NONE", buflen);
2767                 if (len >= buflen)
2768                         return -1;
2769                 return len;
2770         }
2771
2772         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2773         if (ret < 0 || ret >= end - pos)
2774                 return pos - buf;
2775         pos += ret;
2776
2777         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2778                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2779                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2780                 if (ret < 0 || ret >= end - pos)
2781                         return pos - buf;
2782                 pos += ret;
2783         }
2784
2785         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2786                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2787                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2788                 if (ret < 0 || ret >= end - pos)
2789                         return pos - buf;
2790                 pos += ret;
2791         }
2792
2793         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2794                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2795                 if (ret < 0 || ret >= end - pos)
2796                         return pos - buf;
2797                 pos += ret;
2798         }
2799
2800         return pos - buf;
2801 }
2802
2803
2804 static int ctrl_iface_get_capability_proto(int res, char *strict,
2805                                            struct wpa_driver_capa *capa,
2806                                            char *buf, size_t buflen)
2807 {
2808         int ret, first = 1;
2809         char *pos, *end;
2810         size_t len;
2811
2812         pos = buf;
2813         end = pos + buflen;
2814
2815         if (res < 0) {
2816                 if (strict)
2817                         return 0;
2818                 len = os_strlcpy(buf, "RSN WPA", buflen);
2819                 if (len >= buflen)
2820                         return -1;
2821                 return len;
2822         }
2823
2824         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2825                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2826                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2827                 if (ret < 0 || ret >= end - pos)
2828                         return pos - buf;
2829                 pos += ret;
2830                 first = 0;
2831         }
2832
2833         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2834                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2835                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2836                 if (ret < 0 || ret >= end - pos)
2837                         return pos - buf;
2838                 pos += ret;
2839                 first = 0;
2840         }
2841
2842         return pos - buf;
2843 }
2844
2845
2846 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2847                                               struct wpa_driver_capa *capa,
2848                                               char *buf, size_t buflen)
2849 {
2850         int ret, first = 1;
2851         char *pos, *end;
2852         size_t len;
2853
2854         pos = buf;
2855         end = pos + buflen;
2856
2857         if (res < 0) {
2858                 if (strict)
2859                         return 0;
2860                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2861                 if (len >= buflen)
2862                         return -1;
2863                 return len;
2864         }
2865
2866         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2867                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2868                 if (ret < 0 || ret >= end - pos)
2869                         return pos - buf;
2870                 pos += ret;
2871                 first = 0;
2872         }
2873
2874         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2875                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2876                                   first ? "" : " ");
2877                 if (ret < 0 || ret >= end - pos)
2878                         return pos - buf;
2879                 pos += ret;
2880                 first = 0;
2881         }
2882
2883         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2884                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2885                 if (ret < 0 || ret >= end - pos)
2886                         return pos - buf;
2887                 pos += ret;
2888                 first = 0;
2889         }
2890
2891         return pos - buf;
2892 }
2893
2894
2895 static int ctrl_iface_get_capability_modes(int res, char *strict,
2896                                            struct wpa_driver_capa *capa,
2897                                            char *buf, size_t buflen)
2898 {
2899         int ret, first = 1;
2900         char *pos, *end;
2901         size_t len;
2902
2903         pos = buf;
2904         end = pos + buflen;
2905
2906         if (res < 0) {
2907                 if (strict)
2908                         return 0;
2909                 len = os_strlcpy(buf, "IBSS AP", buflen);
2910                 if (len >= buflen)
2911                         return -1;
2912                 return len;
2913         }
2914
2915         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2916                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2917                 if (ret < 0 || ret >= end - pos)
2918                         return pos - buf;
2919                 pos += ret;
2920                 first = 0;
2921         }
2922
2923         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2924                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2925                 if (ret < 0 || ret >= end - pos)
2926                         return pos - buf;
2927                 pos += ret;
2928                 first = 0;
2929         }
2930
2931         return pos - buf;
2932 }
2933
2934
2935 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2936                                               char *buf, size_t buflen)
2937 {
2938         struct hostapd_channel_data *chnl;
2939         int ret, i, j;
2940         char *pos, *end, *hmode;
2941
2942         pos = buf;
2943         end = pos + buflen;
2944
2945         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2946                 switch (wpa_s->hw.modes[j].mode) {
2947                 case HOSTAPD_MODE_IEEE80211B:
2948                         hmode = "B";
2949                         break;
2950                 case HOSTAPD_MODE_IEEE80211G:
2951                         hmode = "G";
2952                         break;
2953                 case HOSTAPD_MODE_IEEE80211A:
2954                         hmode = "A";
2955                         break;
2956                 case HOSTAPD_MODE_IEEE80211AD:
2957                         hmode = "AD";
2958                         break;
2959                 default:
2960                         continue;
2961                 }
2962                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2963                 if (ret < 0 || ret >= end - pos)
2964                         return pos - buf;
2965                 pos += ret;
2966                 chnl = wpa_s->hw.modes[j].channels;
2967                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2968                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2969                                 continue;
2970                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2971                         if (ret < 0 || ret >= end - pos)
2972                                 return pos - buf;
2973                         pos += ret;
2974                 }
2975                 ret = os_snprintf(pos, end - pos, "\n");
2976                 if (ret < 0 || ret >= end - pos)
2977                         return pos - buf;
2978                 pos += ret;
2979         }
2980
2981         return pos - buf;
2982 }
2983
2984
2985 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
2986                                           char *buf, size_t buflen)
2987 {
2988         struct hostapd_channel_data *chnl;
2989         int ret, i, j;
2990         char *pos, *end, *hmode;
2991
2992         pos = buf;
2993         end = pos + buflen;
2994
2995         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2996                 switch (wpa_s->hw.modes[j].mode) {
2997                 case HOSTAPD_MODE_IEEE80211B:
2998                         hmode = "B";
2999                         break;
3000                 case HOSTAPD_MODE_IEEE80211G:
3001                         hmode = "G";
3002                         break;
3003                 case HOSTAPD_MODE_IEEE80211A:
3004                         hmode = "A";
3005                         break;
3006                 case HOSTAPD_MODE_IEEE80211AD:
3007                         hmode = "AD";
3008                         break;
3009                 default:
3010                         continue;
3011                 }
3012                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3013                                   hmode);
3014                 if (ret < 0 || ret >= end - pos)
3015                         return pos - buf;
3016                 pos += ret;
3017                 chnl = wpa_s->hw.modes[j].channels;
3018                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3019                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3020                                 continue;
3021                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
3022                                           chnl[i].chan, chnl[i].freq,
3023                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3024                                           " (NO_IBSS)" : "");
3025                         if (ret < 0 || ret >= end - pos)
3026                                 return pos - buf;
3027                         pos += ret;
3028                 }
3029                 ret = os_snprintf(pos, end - pos, "\n");
3030                 if (ret < 0 || ret >= end - pos)
3031                         return pos - buf;
3032                 pos += ret;
3033         }
3034
3035         return pos - buf;
3036 }
3037
3038
3039 static int wpa_supplicant_ctrl_iface_get_capability(
3040         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3041         size_t buflen)
3042 {
3043         struct wpa_driver_capa capa;
3044         int res;
3045         char *strict;
3046         char field[30];
3047         size_t len;
3048
3049         /* Determine whether or not strict checking was requested */
3050         len = os_strlcpy(field, _field, sizeof(field));
3051         if (len >= sizeof(field))
3052                 return -1;
3053         strict = os_strchr(field, ' ');
3054         if (strict != NULL) {
3055                 *strict++ = '\0';
3056                 if (os_strcmp(strict, "strict") != 0)
3057                         return -1;
3058         }
3059
3060         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3061                 field, strict ? strict : "");
3062
3063         if (os_strcmp(field, "eap") == 0) {
3064                 return eap_get_names(buf, buflen);
3065         }
3066
3067         res = wpa_drv_get_capa(wpa_s, &capa);
3068
3069         if (os_strcmp(field, "pairwise") == 0)
3070                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3071                                                           buf, buflen);
3072
3073         if (os_strcmp(field, "group") == 0)
3074                 return ctrl_iface_get_capability_group(res, strict, &capa,
3075                                                        buf, buflen);
3076
3077         if (os_strcmp(field, "key_mgmt") == 0)
3078                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3079                                                           buf, buflen);
3080
3081         if (os_strcmp(field, "proto") == 0)
3082                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3083                                                        buf, buflen);
3084
3085         if (os_strcmp(field, "auth_alg") == 0)
3086                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3087                                                           buf, buflen);
3088
3089         if (os_strcmp(field, "modes") == 0)
3090                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3091                                                        buf, buflen);
3092
3093         if (os_strcmp(field, "channels") == 0)
3094                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3095
3096         if (os_strcmp(field, "freq") == 0)
3097                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3098
3099         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3100                    field);
3101
3102         return -1;
3103 }
3104
3105
3106 #ifdef CONFIG_INTERWORKING
3107 static char * anqp_add_hex(char *pos, char *end, const char *title,
3108                            struct wpabuf *data)
3109 {
3110         char *start = pos;
3111         size_t i;
3112         int ret;
3113         const u8 *d;
3114
3115         if (data == NULL)
3116                 return start;
3117
3118         ret = os_snprintf(pos, end - pos, "%s=", title);
3119         if (ret < 0 || ret >= end - pos)
3120                 return start;
3121         pos += ret;
3122
3123         d = wpabuf_head_u8(data);
3124         for (i = 0; i < wpabuf_len(data); i++) {
3125                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3126                 if (ret < 0 || ret >= end - pos)
3127                         return start;
3128                 pos += ret;
3129         }
3130
3131         ret = os_snprintf(pos, end - pos, "\n");
3132         if (ret < 0 || ret >= end - pos)
3133                 return start;
3134         pos += ret;
3135
3136         return pos;
3137 }
3138 #endif /* CONFIG_INTERWORKING */
3139
3140
3141 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3142                           unsigned long mask, char *buf, size_t buflen)
3143 {
3144         size_t i;
3145         int ret;
3146         char *pos, *end;
3147         const u8 *ie, *ie2;
3148
3149         pos = buf;
3150         end = buf + buflen;
3151
3152         if (mask & WPA_BSS_MASK_ID) {
3153                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3154                 if (ret < 0 || ret >= end - pos)
3155                         return 0;
3156                 pos += ret;
3157         }
3158
3159         if (mask & WPA_BSS_MASK_BSSID) {
3160                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3161                                   MAC2STR(bss->bssid));
3162                 if (ret < 0 || ret >= end - pos)
3163                         return 0;
3164                 pos += ret;
3165         }
3166
3167         if (mask & WPA_BSS_MASK_FREQ) {
3168                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3169                 if (ret < 0 || ret >= end - pos)
3170                         return 0;
3171                 pos += ret;
3172         }
3173
3174         if (mask & WPA_BSS_MASK_BEACON_INT) {
3175                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3176                                   bss->beacon_int);
3177                 if (ret < 0 || ret >= end - pos)
3178                         return 0;
3179                 pos += ret;
3180         }
3181
3182         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3183                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3184                                   bss->caps);
3185                 if (ret < 0 || ret >= end - pos)
3186                         return 0;
3187                 pos += ret;
3188         }
3189
3190         if (mask & WPA_BSS_MASK_QUAL) {
3191                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3192                 if (ret < 0 || ret >= end - pos)
3193                         return 0;
3194                 pos += ret;
3195         }
3196
3197         if (mask & WPA_BSS_MASK_NOISE) {
3198                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3199                 if (ret < 0 || ret >= end - pos)
3200                         return 0;
3201                 pos += ret;
3202         }
3203
3204         if (mask & WPA_BSS_MASK_LEVEL) {
3205                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3206                 if (ret < 0 || ret >= end - pos)
3207                         return 0;
3208                 pos += ret;
3209         }
3210
3211         if (mask & WPA_BSS_MASK_TSF) {
3212                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3213                                   (unsigned long long) bss->tsf);
3214                 if (ret < 0 || ret >= end - pos)
3215                         return 0;
3216                 pos += ret;
3217         }
3218
3219         if (mask & WPA_BSS_MASK_AGE) {
3220                 struct os_reltime now;
3221
3222                 os_get_reltime(&now);
3223                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3224                                   (int) (now.sec - bss->last_update.sec));
3225                 if (ret < 0 || ret >= end - pos)
3226                         return 0;
3227                 pos += ret;
3228         }
3229
3230         if (mask & WPA_BSS_MASK_IE) {
3231                 ret = os_snprintf(pos, end - pos, "ie=");
3232                 if (ret < 0 || ret >= end - pos)
3233                         return 0;
3234                 pos += ret;
3235
3236                 ie = (const u8 *) (bss + 1);
3237                 for (i = 0; i < bss->ie_len; i++) {
3238                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3239                         if (ret < 0 || ret >= end - pos)
3240                                 return 0;
3241                         pos += ret;
3242                 }
3243
3244                 ret = os_snprintf(pos, end - pos, "\n");
3245                 if (ret < 0 || ret >= end - pos)
3246                         return 0;
3247                 pos += ret;
3248         }
3249
3250         if (mask & WPA_BSS_MASK_FLAGS) {
3251                 ret = os_snprintf(pos, end - pos, "flags=");
3252                 if (ret < 0 || ret >= end - pos)
3253                         return 0;
3254                 pos += ret;
3255
3256                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3257                 if (ie)
3258                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3259                                                     2 + ie[1]);
3260                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3261                 if (ie2)
3262                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3263                                                     2 + ie2[1]);
3264                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3265                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3266                         ret = os_snprintf(pos, end - pos, "[WEP]");
3267                         if (ret < 0 || ret >= end - pos)
3268                                 return 0;
3269                         pos += ret;
3270                 }
3271                 if (bss->caps & IEEE80211_CAP_IBSS) {
3272                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3273                         if (ret < 0 || ret >= end - pos)
3274                                 return 0;
3275                         pos += ret;
3276                 }
3277                 if (bss->caps & IEEE80211_CAP_ESS) {
3278                         ret = os_snprintf(pos, end - pos, "[ESS]");
3279                         if (ret < 0 || ret >= end - pos)
3280                                 return 0;
3281                         pos += ret;
3282                 }
3283                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3284                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3285                         ret = os_snprintf(pos, end - pos, "[P2P]");
3286                         if (ret < 0 || ret >= end - pos)
3287                                 return 0;
3288                         pos += ret;
3289                 }
3290 #ifdef CONFIG_HS20
3291                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3292                         ret = os_snprintf(pos, end - pos, "[HS20]");
3293                         if (ret < 0 || ret >= end - pos)
3294                                 return 0;
3295                         pos += ret;
3296                 }
3297 #endif /* CONFIG_HS20 */
3298
3299                 ret = os_snprintf(pos, end - pos, "\n");
3300                 if (ret < 0 || ret >= end - pos)
3301                         return 0;
3302                 pos += ret;
3303         }
3304
3305         if (mask & WPA_BSS_MASK_SSID) {
3306                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3307                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3308                 if (ret < 0 || ret >= end - pos)
3309                         return 0;
3310                 pos += ret;
3311         }
3312
3313 #ifdef CONFIG_WPS
3314         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3315                 ie = (const u8 *) (bss + 1);
3316                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3317                 if (ret < 0 || ret >= end - pos)
3318                         return 0;
3319                 pos += ret;
3320         }
3321 #endif /* CONFIG_WPS */
3322
3323 #ifdef CONFIG_P2P
3324         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3325                 ie = (const u8 *) (bss + 1);
3326                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3327                 if (ret < 0 || ret >= end - pos)
3328                         return 0;
3329                 pos += ret;
3330         }
3331 #endif /* CONFIG_P2P */
3332
3333 #ifdef CONFIG_WIFI_DISPLAY
3334         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3335                 struct wpabuf *wfd;
3336                 ie = (const u8 *) (bss + 1);
3337                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3338                                                   WFD_IE_VENDOR_TYPE);
3339                 if (wfd) {
3340                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3341                         if (ret < 0 || ret >= end - pos)
3342                                 return 0;
3343                         pos += ret;
3344
3345                         pos += wpa_snprintf_hex(pos, end - pos,
3346                                                 wpabuf_head(wfd),
3347                                                 wpabuf_len(wfd));
3348                         wpabuf_free(wfd);
3349
3350                         ret = os_snprintf(pos, end - pos, "\n");
3351                         if (ret < 0 || ret >= end - pos)
3352                                 return 0;
3353                         pos += ret;
3354                 }
3355         }
3356 #endif /* CONFIG_WIFI_DISPLAY */
3357
3358 #ifdef CONFIG_INTERWORKING
3359         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3360                 struct wpa_bss_anqp *anqp = bss->anqp;
3361                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3362                                    anqp->venue_name);
3363                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3364                                    anqp->network_auth_type);
3365                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3366                                    anqp->roaming_consortium);
3367                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3368                                    anqp->ip_addr_type_availability);
3369                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3370                                    anqp->nai_realm);
3371                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3372                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3373                                    anqp->domain_name);
3374 #ifdef CONFIG_HS20
3375                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3376                                    anqp->hs20_operator_friendly_name);
3377                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3378                                    anqp->hs20_wan_metrics);
3379                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3380                                    anqp->hs20_connection_capability);
3381 #endif /* CONFIG_HS20 */
3382         }
3383 #endif /* CONFIG_INTERWORKING */
3384
3385         if (mask & WPA_BSS_MASK_DELIM) {
3386                 ret = os_snprintf(pos, end - pos, "====\n");
3387                 if (ret < 0 || ret >= end - pos)
3388                         return 0;
3389                 pos += ret;
3390         }
3391
3392         return pos - buf;
3393 }
3394
3395
3396 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3397                                          const char *cmd, char *buf,
3398                                          size_t buflen)
3399 {
3400         u8 bssid[ETH_ALEN];
3401         size_t i;
3402         struct wpa_bss *bss;
3403         struct wpa_bss *bsslast = NULL;
3404         struct dl_list *next;
3405         int ret = 0;
3406         int len;
3407         char *ctmp;
3408         unsigned long mask = WPA_BSS_MASK_ALL;
3409
3410         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3411                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3412                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3413                                             list_id);
3414                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3415                                                list_id);
3416                 } else { /* N1-N2 */
3417                         unsigned int id1, id2;
3418
3419                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3420                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3421                                            "format");
3422                                 return 0;
3423                         }
3424
3425                         if (*(cmd + 6) == '-')
3426                                 id1 = 0;
3427                         else
3428                                 id1 = atoi(cmd + 6);
3429                         ctmp++;
3430                         if (*ctmp >= '0' && *ctmp <= '9')
3431                                 id2 = atoi(ctmp);
3432                         else
3433                                 id2 = (unsigned int) -1;
3434                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3435                         if (id2 == (unsigned int) -1)
3436                                 bsslast = dl_list_last(&wpa_s->bss_id,
3437                                                        struct wpa_bss,
3438                                                        list_id);
3439                         else {
3440                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3441                                 if (bsslast == NULL && bss && id2 > id1) {
3442                                         struct wpa_bss *tmp = bss;
3443                                         for (;;) {
3444                                                 next = tmp->list_id.next;
3445                                                 if (next == &wpa_s->bss_id)
3446                                                         break;
3447                                                 tmp = dl_list_entry(
3448                                                         next, struct wpa_bss,
3449                                                         list_id);
3450                                                 if (tmp->id > id2)
3451                                                         break;
3452                                                 bsslast = tmp;
3453                                         }
3454                                 }
3455                         }
3456                 }
3457         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3458                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3459         else if (os_strncmp(cmd, "LAST", 4) == 0)
3460                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3461         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3462                 i = atoi(cmd + 3);
3463                 bss = wpa_bss_get_id(wpa_s, i);
3464         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3465                 i = atoi(cmd + 5);
3466                 bss = wpa_bss_get_id(wpa_s, i);
3467                 if (bss) {
3468                         next = bss->list_id.next;
3469                         if (next == &wpa_s->bss_id)
3470                                 bss = NULL;
3471                         else
3472                                 bss = dl_list_entry(next, struct wpa_bss,
3473                                                     list_id);
3474                 }
3475 #ifdef CONFIG_P2P
3476         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3477                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3478                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3479                 else
3480                         bss = NULL;
3481 #endif /* CONFIG_P2P */
3482         } else if (hwaddr_aton(cmd, bssid) == 0)
3483                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3484         else {
3485                 struct wpa_bss *tmp;
3486                 i = atoi(cmd);
3487                 bss = NULL;
3488                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3489                 {
3490                         if (i-- == 0) {
3491                                 bss = tmp;
3492                                 break;
3493                         }
3494                 }
3495         }
3496
3497         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3498                 mask = strtoul(ctmp + 5, NULL, 0x10);
3499                 if (mask == 0)
3500                         mask = WPA_BSS_MASK_ALL;
3501         }
3502
3503         if (bss == NULL)
3504                 return 0;
3505
3506         if (bsslast == NULL)
3507                 bsslast = bss;
3508         do {
3509                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3510                 ret += len;
3511                 buf += len;
3512                 buflen -= len;
3513                 if (bss == bsslast) {
3514                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3515                             (bss == dl_list_last(&wpa_s->bss_id,
3516                                                  struct wpa_bss, list_id)))
3517                                 os_snprintf(buf - 5, 5, "####\n");
3518                         break;
3519                 }
3520                 next = bss->list_id.next;
3521                 if (next == &wpa_s->bss_id)
3522                         break;
3523                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3524         } while (bss && len);
3525
3526         return ret;
3527 }
3528
3529
3530 static int wpa_supplicant_ctrl_iface_ap_scan(
3531         struct wpa_supplicant *wpa_s, char *cmd)
3532 {
3533         int ap_scan = atoi(cmd);
3534         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3535 }
3536
3537
3538 static int wpa_supplicant_ctrl_iface_scan_interval(
3539         struct wpa_supplicant *wpa_s, char *cmd)
3540 {
3541         int scan_int = atoi(cmd);
3542         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3543 }
3544
3545
3546 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3547         struct wpa_supplicant *wpa_s, char *cmd)
3548 {
3549         int expire_age = atoi(cmd);
3550         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3551 }
3552
3553
3554 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3555         struct wpa_supplicant *wpa_s, char *cmd)
3556 {
3557         int expire_count = atoi(cmd);
3558         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3559 }
3560
3561
3562 static int wpa_supplicant_ctrl_iface_bss_flush(
3563         struct wpa_supplicant *wpa_s, char *cmd)
3564 {
3565         int flush_age = atoi(cmd);
3566
3567         if (flush_age == 0)
3568                 wpa_bss_flush(wpa_s);
3569         else
3570                 wpa_bss_flush_by_age(wpa_s, flush_age);
3571         return 0;
3572 }
3573
3574
3575 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3576 {
3577         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3578         /* MLME-DELETEKEYS.request */
3579         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3580         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3581         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3582         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3583 #ifdef CONFIG_IEEE80211W
3584         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3585         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3586 #endif /* CONFIG_IEEE80211W */
3587
3588         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3589                         0);
3590         /* MLME-SETPROTECTION.request(None) */
3591         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3592                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3593                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3594         wpa_sm_drop_sa(wpa_s->wpa);
3595 }
3596
3597
3598 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3599                                           char *addr)
3600 {
3601 #ifdef CONFIG_NO_SCAN_PROCESSING
3602         return -1;
3603 #else /* CONFIG_NO_SCAN_PROCESSING */
3604         u8 bssid[ETH_ALEN];
3605         struct wpa_bss *bss;
3606         struct wpa_ssid *ssid = wpa_s->current_ssid;
3607
3608         if (hwaddr_aton(addr, bssid)) {
3609                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3610                            "address '%s'", addr);
3611                 return -1;
3612         }
3613
3614         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3615
3616         if (!ssid) {
3617                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3618                            "configuration known for the target AP");
3619                 return -1;
3620         }
3621
3622         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3623         if (!bss) {
3624                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3625                            "from BSS table");
3626                 return -1;
3627         }
3628
3629         /*
3630          * TODO: Find best network configuration block from configuration to
3631          * allow roaming to other networks
3632          */
3633
3634         wpa_s->reassociate = 1;
3635         wpa_supplicant_connect(wpa_s, bss, ssid);
3636
3637         return 0;
3638 #endif /* CONFIG_NO_SCAN_PROCESSING */
3639 }
3640
3641
3642 #ifdef CONFIG_P2P
3643 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3644 {
3645         unsigned int timeout = atoi(cmd);
3646         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3647         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3648         char *pos;
3649         unsigned int search_delay;
3650
3651         if (os_strstr(cmd, "type=social"))
3652                 type = P2P_FIND_ONLY_SOCIAL;
3653         else if (os_strstr(cmd, "type=progressive"))
3654                 type = P2P_FIND_PROGRESSIVE;
3655
3656         pos = os_strstr(cmd, "dev_id=");
3657         if (pos) {
3658                 pos += 7;
3659                 if (hwaddr_aton(pos, dev_id))
3660                         return -1;
3661                 _dev_id = dev_id;
3662         }
3663
3664         pos = os_strstr(cmd, "delay=");
3665         if (pos) {
3666                 pos += 6;
3667                 search_delay = atoi(pos);
3668         } else
3669                 search_delay = wpas_p2p_search_delay(wpa_s);
3670
3671         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3672                              search_delay);
3673 }
3674
3675
3676 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3677                             char *buf, size_t buflen)
3678 {
3679         u8 addr[ETH_ALEN];
3680         char *pos, *pos2;
3681         char *pin = NULL;
3682         enum p2p_wps_method wps_method;
3683         int new_pin;
3684         int ret;
3685         int persistent_group, persistent_id = -1;
3686         int join;
3687         int auth;
3688         int automatic;
3689         int go_intent = -1;
3690         int freq = 0;
3691         int pd;
3692         int ht40, vht;
3693
3694         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3695          * [persistent|persistent=<network id>]
3696          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3697          * [ht40] [vht] */
3698
3699         if (hwaddr_aton(cmd, addr))
3700                 return -1;
3701
3702         pos = cmd + 17;
3703         if (*pos != ' ')
3704                 return -1;
3705         pos++;
3706
3707         persistent_group = os_strstr(pos, " persistent") != NULL;
3708         pos2 = os_strstr(pos, " persistent=");
3709         if (pos2) {
3710                 struct wpa_ssid *ssid;
3711                 persistent_id = atoi(pos2 + 12);
3712                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3713                 if (ssid == NULL || ssid->disabled != 2 ||
3714                     ssid->mode != WPAS_MODE_P2P_GO) {
3715                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3716                                    "SSID id=%d for persistent P2P group (GO)",
3717                                    persistent_id);
3718                         return -1;
3719                 }
3720         }
3721         join = os_strstr(pos, " join") != NULL;
3722         auth = os_strstr(pos, " auth") != NULL;
3723         automatic = os_strstr(pos, " auto") != NULL;
3724         pd = os_strstr(pos, " provdisc") != NULL;
3725         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
3726         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
3727                 vht;
3728
3729         pos2 = os_strstr(pos, " go_intent=");
3730         if (pos2) {
3731                 pos2 += 11;
3732                 go_intent = atoi(pos2);
3733                 if (go_intent < 0 || go_intent > 15)
3734                         return -1;
3735         }
3736
3737         pos2 = os_strstr(pos, " freq=");
3738         if (pos2) {
3739                 pos2 += 6;
3740                 freq = atoi(pos2);
3741                 if (freq <= 0)
3742                         return -1;
3743         }
3744
3745         if (os_strncmp(pos, "pin", 3) == 0) {
3746                 /* Request random PIN (to be displayed) and enable the PIN */
3747                 wps_method = WPS_PIN_DISPLAY;
3748         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3749                 wps_method = WPS_PBC;
3750         } else {
3751                 pin = pos;
3752                 pos = os_strchr(pin, ' ');
3753                 wps_method = WPS_PIN_KEYPAD;
3754                 if (pos) {
3755                         *pos++ = '\0';
3756                         if (os_strncmp(pos, "display", 7) == 0)
3757                                 wps_method = WPS_PIN_DISPLAY;
3758                 }
3759                 if (!wps_pin_str_valid(pin)) {
3760                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3761                         return 17;
3762                 }
3763         }
3764
3765         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3766                                    persistent_group, automatic, join,
3767                                    auth, go_intent, freq, persistent_id, pd,
3768                                    ht40, vht);
3769         if (new_pin == -2) {
3770                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3771                 return 25;
3772         }
3773         if (new_pin == -3) {
3774                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3775                 return 25;
3776         }
3777         if (new_pin < 0)
3778                 return -1;
3779         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3780                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3781                 if (ret < 0 || (size_t) ret >= buflen)
3782                         return -1;
3783                 return ret;
3784         }
3785
3786         os_memcpy(buf, "OK\n", 3);
3787         return 3;
3788 }
3789
3790
3791 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3792 {
3793         unsigned int timeout = atoi(cmd);
3794         return wpas_p2p_listen(wpa_s, timeout);
3795 }
3796
3797
3798 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3799 {
3800         u8 addr[ETH_ALEN];
3801         char *pos;
3802         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3803
3804         /* <addr> <config method> [join|auto] */
3805
3806         if (hwaddr_aton(cmd, addr))
3807                 return -1;
3808
3809         pos = cmd + 17;
3810         if (*pos != ' ')
3811                 return -1;
3812         pos++;
3813
3814         if (os_strstr(pos, " join") != NULL)
3815                 use = WPAS_P2P_PD_FOR_JOIN;
3816         else if (os_strstr(pos, " auto") != NULL)
3817                 use = WPAS_P2P_PD_AUTO;
3818
3819         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3820 }
3821
3822
3823 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3824                               size_t buflen)
3825 {
3826         struct wpa_ssid *ssid = wpa_s->current_ssid;
3827
3828         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3829             ssid->passphrase == NULL)
3830                 return -1;
3831
3832         os_strlcpy(buf, ssid->passphrase, buflen);
3833         return os_strlen(buf);
3834 }
3835
3836
3837 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3838                                   char *buf, size_t buflen)
3839 {
3840         u64 ref;
3841         int res;
3842         u8 dst_buf[ETH_ALEN], *dst;
3843         struct wpabuf *tlvs;
3844         char *pos;
3845         size_t len;
3846
3847         if (hwaddr_aton(cmd, dst_buf))
3848                 return -1;
3849         dst = dst_buf;
3850         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3851             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3852                 dst = NULL;
3853         pos = cmd + 17;
3854         if (*pos != ' ')
3855                 return -1;
3856         pos++;
3857
3858         if (os_strncmp(pos, "upnp ", 5) == 0) {
3859                 u8 version;
3860                 pos += 5;
3861                 if (hexstr2bin(pos, &version, 1) < 0)
3862                         return -1;
3863                 pos += 2;
3864                 if (*pos != ' ')
3865                         return -1;
3866                 pos++;
3867                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3868 #ifdef CONFIG_WIFI_DISPLAY
3869         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3870                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3871 #endif /* CONFIG_WIFI_DISPLAY */
3872         } else {
3873                 len = os_strlen(pos);
3874                 if (len & 1)
3875                         return -1;
3876                 len /= 2;
3877                 tlvs = wpabuf_alloc(len);
3878                 if (tlvs == NULL)
3879                         return -1;
3880                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3881                         wpabuf_free(tlvs);
3882                         return -1;
3883                 }
3884
3885                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3886                 wpabuf_free(tlvs);
3887         }
3888         if (ref == 0)
3889                 return -1;
3890         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3891         if (res < 0 || (unsigned) res >= buflen)
3892                 return -1;
3893         return res;
3894 }
3895
3896
3897 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3898                                          char *cmd)
3899 {
3900         long long unsigned val;
3901         u64 req;
3902         if (sscanf(cmd, "%llx", &val) != 1)
3903                 return -1;
3904         req = val;
3905         return wpas_p2p_sd_cancel_request(wpa_s, req);
3906 }
3907
3908
3909 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3910 {
3911         int freq;
3912         u8 dst[ETH_ALEN];
3913         u8 dialog_token;
3914         struct wpabuf *resp_tlvs;
3915         char *pos, *pos2;
3916         size_t len;
3917
3918         pos = os_strchr(cmd, ' ');
3919         if (pos == NULL)
3920                 return -1;
3921         *pos++ = '\0';
3922         freq = atoi(cmd);
3923         if (freq == 0)
3924                 return -1;
3925
3926         if (hwaddr_aton(pos, dst))
3927                 return -1;
3928         pos += 17;
3929         if (*pos != ' ')
3930                 return -1;
3931         pos++;
3932
3933         pos2 = os_strchr(pos, ' ');
3934         if (pos2 == NULL)
3935                 return -1;
3936         *pos2++ = '\0';
3937         dialog_token = atoi(pos);
3938
3939         len = os_strlen(pos2);
3940         if (len & 1)
3941                 return -1;
3942         len /= 2;
3943         resp_tlvs = wpabuf_alloc(len);
3944         if (resp_tlvs == NULL)
3945                 return -1;
3946         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3947                 wpabuf_free(resp_tlvs);
3948                 return -1;
3949         }
3950
3951         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3952         wpabuf_free(resp_tlvs);
3953         return 0;
3954 }
3955
3956
3957 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3958                                        char *cmd)
3959 {
3960         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3961                 return -1;
3962         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3963         return 0;
3964 }
3965
3966
3967 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3968                                         char *cmd)
3969 {
3970         char *pos;
3971         size_t len;
3972         struct wpabuf *query, *resp;
3973
3974         pos = os_strchr(cmd, ' ');
3975         if (pos == NULL)
3976                 return -1;
3977         *pos++ = '\0';
3978
3979         len = os_strlen(cmd);
3980         if (len & 1)
3981                 return -1;
3982         len /= 2;
3983         query = wpabuf_alloc(len);
3984         if (query == NULL)
3985                 return -1;
3986         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3987                 wpabuf_free(query);
3988                 return -1;
3989         }
3990
3991         len = os_strlen(pos);
3992         if (len & 1) {
3993                 wpabuf_free(query);
3994                 return -1;
3995         }
3996         len /= 2;
3997         resp = wpabuf_alloc(len);
3998         if (resp == NULL) {
3999                 wpabuf_free(query);
4000                 return -1;
4001         }
4002         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4003                 wpabuf_free(query);
4004                 wpabuf_free(resp);
4005                 return -1;
4006         }
4007
4008         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4009                 wpabuf_free(query);
4010                 wpabuf_free(resp);
4011                 return -1;
4012         }
4013         return 0;
4014 }
4015
4016
4017 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4018 {
4019         char *pos;
4020         u8 version;
4021
4022         pos = os_strchr(cmd, ' ');
4023         if (pos == NULL)
4024                 return -1;
4025         *pos++ = '\0';
4026
4027         if (hexstr2bin(cmd, &version, 1) < 0)
4028                 return -1;
4029
4030         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4031 }
4032
4033
4034 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4035 {
4036         char *pos;
4037
4038         pos = os_strchr(cmd, ' ');
4039         if (pos == NULL)
4040                 return -1;
4041         *pos++ = '\0';
4042
4043         if (os_strcmp(cmd, "bonjour") == 0)
4044                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4045         if (os_strcmp(cmd, "upnp") == 0)
4046                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4047         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4048         return -1;
4049 }
4050
4051
4052 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4053                                         char *cmd)
4054 {
4055         size_t len;
4056         struct wpabuf *query;
4057         int ret;
4058
4059         len = os_strlen(cmd);
4060         if (len & 1)
4061                 return -1;
4062         len /= 2;
4063         query = wpabuf_alloc(len);
4064         if (query == NULL)
4065                 return -1;
4066         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4067                 wpabuf_free(query);
4068                 return -1;
4069         }
4070
4071         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4072         wpabuf_free(query);
4073         return ret;
4074 }
4075
4076
4077 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4078 {
4079         char *pos;
4080         u8 version;
4081
4082         pos = os_strchr(cmd, ' ');
4083         if (pos == NULL)
4084                 return -1;
4085         *pos++ = '\0';
4086
4087         if (hexstr2bin(cmd, &version, 1) < 0)
4088                 return -1;
4089
4090         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4091 }
4092
4093
4094 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4095 {
4096         char *pos;
4097
4098         pos = os_strchr(cmd, ' ');
4099         if (pos == NULL)
4100                 return -1;
4101         *pos++ = '\0';
4102
4103         if (os_strcmp(cmd, "bonjour") == 0)
4104                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4105         if (os_strcmp(cmd, "upnp") == 0)
4106                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4107         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4108         return -1;
4109 }
4110
4111
4112 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4113 {
4114         u8 addr[ETH_ALEN];
4115
4116         /* <addr> */
4117
4118         if (hwaddr_aton(cmd, addr))
4119                 return -1;
4120
4121         return wpas_p2p_reject(wpa_s, addr);
4122 }
4123
4124
4125 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4126 {
4127         char *pos;
4128         int id;
4129         struct wpa_ssid *ssid;
4130         u8 *_peer = NULL, peer[ETH_ALEN];
4131         int freq = 0, pref_freq = 0;
4132         int ht40, vht;
4133
4134         id = atoi(cmd);
4135         pos = os_strstr(cmd, " peer=");
4136         if (pos) {
4137                 pos += 6;
4138                 if (hwaddr_aton(pos, peer))
4139                         return -1;
4140                 _peer = peer;
4141         }
4142         ssid = wpa_config_get_network(wpa_s->conf, id);
4143         if (ssid == NULL || ssid->disabled != 2) {
4144                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4145                            "for persistent P2P group",
4146                            id);
4147                 return -1;
4148         }
4149
4150         pos = os_strstr(cmd, " freq=");
4151         if (pos) {
4152                 pos += 6;
4153                 freq = atoi(pos);
4154                 if (freq <= 0)
4155                         return -1;
4156         }
4157
4158         pos = os_strstr(cmd, " pref=");
4159         if (pos) {
4160                 pos += 6;
4161                 pref_freq = atoi(pos);
4162                 if (pref_freq <= 0)
4163                         return -1;
4164         }
4165
4166         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4167         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4168                 vht;
4169
4170         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4171                                pref_freq);
4172 }
4173
4174
4175 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4176 {
4177         char *pos;
4178         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4179
4180         pos = os_strstr(cmd, " peer=");
4181         if (!pos)
4182                 return -1;
4183
4184         *pos = '\0';
4185         pos += 6;
4186         if (hwaddr_aton(pos, peer)) {
4187                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4188                 return -1;
4189         }
4190
4191         pos = os_strstr(pos, " go_dev_addr=");
4192         if (pos) {
4193                 pos += 13;
4194                 if (hwaddr_aton(pos, go_dev_addr)) {
4195                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4196                                    pos);
4197                         return -1;
4198                 }
4199                 go_dev = go_dev_addr;
4200         }
4201
4202         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4203 }
4204
4205
4206 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4207 {
4208         if (os_strncmp(cmd, "persistent=", 11) == 0)
4209                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4210         if (os_strncmp(cmd, "group=", 6) == 0)
4211                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4212
4213         return -1;
4214 }
4215
4216
4217 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4218                                          char *cmd, int freq, int ht40,
4219                                          int vht)
4220 {
4221         int id;
4222         struct wpa_ssid *ssid;
4223
4224         id = atoi(cmd);
4225         ssid = wpa_config_get_network(wpa_s->conf, id);
4226         if (ssid == NULL || ssid->disabled != 2) {
4227                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4228                            "for persistent P2P group",
4229                            id);
4230                 return -1;
4231         }
4232
4233         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, vht,
4234                                              NULL, 0);
4235 }
4236
4237
4238 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4239 {
4240         int freq = 0, ht40, vht;
4241         char *pos;
4242
4243         pos = os_strstr(cmd, "freq=");
4244         if (pos)
4245                 freq = atoi(pos + 5);
4246
4247         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4248         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4249                 vht;
4250
4251         if (os_strncmp(cmd, "persistent=", 11) == 0)
4252                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4253                                                      ht40, vht);
4254         if (os_strcmp(cmd, "persistent") == 0 ||
4255             os_strncmp(cmd, "persistent ", 11) == 0)
4256                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4257         if (os_strncmp(cmd, "freq=", 5) == 0)
4258                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4259         if (ht40)
4260                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4261
4262         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4263                    cmd);
4264         return -1;
4265 }
4266
4267
4268 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4269                          char *buf, size_t buflen)
4270 {
4271         u8 addr[ETH_ALEN], *addr_ptr;
4272         int next, res;
4273         const struct p2p_peer_info *info;
4274         char *pos, *end;
4275         char devtype[WPS_DEV_TYPE_BUFSIZE];
4276         struct wpa_ssid *ssid;
4277         size_t i;
4278
4279         if (!wpa_s->global->p2p)
4280                 return -1;
4281
4282         if (os_strcmp(cmd, "FIRST") == 0) {
4283                 addr_ptr = NULL;
4284                 next = 0;
4285         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4286                 if (hwaddr_aton(cmd + 5, addr) < 0)
4287                         return -1;
4288                 addr_ptr = addr;
4289                 next = 1;
4290         } else {
4291                 if (hwaddr_aton(cmd, addr) < 0)
4292                         return -1;
4293                 addr_ptr = addr;
4294                 next = 0;
4295         }
4296
4297         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4298         if (info == NULL)
4299                 return -1;
4300
4301         pos = buf;
4302         end = buf + buflen;
4303
4304         res = os_snprintf(pos, end - pos, MACSTR "\n"
4305                           "pri_dev_type=%s\n"
4306                           "device_name=%s\n"
4307                           "manufacturer=%s\n"
4308                           "model_name=%s\n"
4309                           "model_number=%s\n"
4310                           "serial_number=%s\n"
4311                           "config_methods=0x%x\n"
4312                           "dev_capab=0x%x\n"
4313                           "group_capab=0x%x\n"
4314                           "level=%d\n",
4315                           MAC2STR(info->p2p_device_addr),
4316                           wps_dev_type_bin2str(info->pri_dev_type,
4317                                                devtype, sizeof(devtype)),
4318                           info->device_name,
4319                           info->manufacturer,
4320                           info->model_name,
4321                           info->model_number,
4322                           info->serial_number,
4323                           info->config_methods,
4324                           info->dev_capab,
4325                           info->group_capab,
4326                           info->level);
4327         if (res < 0 || res >= end - pos)
4328                 return pos - buf;
4329         pos += res;
4330
4331         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4332         {
4333                 const u8 *t;
4334                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4335                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4336                                   wps_dev_type_bin2str(t, devtype,
4337                                                        sizeof(devtype)));
4338                 if (res < 0 || res >= end - pos)
4339                         return pos - buf;
4340                 pos += res;
4341         }
4342
4343         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4344         if (ssid) {
4345                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4346                 if (res < 0 || res >= end - pos)
4347                         return pos - buf;
4348                 pos += res;
4349         }
4350
4351         res = p2p_get_peer_info_txt(info, pos, end - pos);
4352         if (res < 0)
4353                 return pos - buf;
4354         pos += res;
4355
4356         return pos - buf;
4357 }
4358
4359
4360 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4361                                   const char *param)
4362 {
4363         unsigned int i;
4364
4365         if (wpa_s->global->p2p == NULL)
4366                 return -1;
4367
4368         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4369                 return -1;
4370
4371         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4372                 struct wpa_freq_range *freq;
4373                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4374                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4375                            freq->min, freq->max);
4376         }
4377
4378         wpas_p2p_update_channel_list(wpa_s);
4379         return 0;
4380 }
4381
4382
4383 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4384 {
4385         char *param;
4386
4387         if (wpa_s->global->p2p == NULL)
4388                 return -1;
4389
4390         param = os_strchr(cmd, ' ');
4391         if (param == NULL)
4392                 return -1;
4393         *param++ = '\0';
4394
4395         if (os_strcmp(cmd, "discoverability") == 0) {
4396                 p2p_set_client_discoverability(wpa_s->global->p2p,
4397                                                atoi(param));
4398                 return 0;
4399         }
4400
4401         if (os_strcmp(cmd, "managed") == 0) {
4402                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4403                 return 0;
4404         }
4405
4406         if (os_strcmp(cmd, "listen_channel") == 0) {
4407                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4408                                               atoi(param));
4409         }
4410
4411         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4412                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4413                                             os_strlen(param));
4414         }
4415
4416         if (os_strcmp(cmd, "noa") == 0) {
4417                 char *pos;
4418                 int count, start, duration;
4419                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4420                 count = atoi(param);
4421                 pos = os_strchr(param, ',');
4422                 if (pos == NULL)
4423                         return -1;
4424                 pos++;
4425                 start = atoi(pos);
4426                 pos = os_strchr(pos, ',');
4427                 if (pos == NULL)
4428                         return -1;
4429                 pos++;
4430                 duration = atoi(pos);
4431                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4432                         return -1;
4433                 if (count == 0 && duration > 0)
4434                         return -1;
4435                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4436                            "start=%d duration=%d", count, start, duration);
4437                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4438         }
4439
4440         if (os_strcmp(cmd, "ps") == 0)
4441                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4442
4443         if (os_strcmp(cmd, "oppps") == 0)
4444                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4445
4446         if (os_strcmp(cmd, "ctwindow") == 0)
4447                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4448
4449         if (os_strcmp(cmd, "disabled") == 0) {
4450                 wpa_s->global->p2p_disabled = atoi(param);
4451                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4452                            wpa_s->global->p2p_disabled ?
4453                            "disabled" : "enabled");
4454                 if (wpa_s->global->p2p_disabled) {
4455                         wpas_p2p_stop_find(wpa_s);
4456                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4457                         p2p_flush(wpa_s->global->p2p);
4458                 }
4459                 return 0;
4460         }
4461
4462         if (os_strcmp(cmd, "conc_pref") == 0) {
4463                 if (os_strcmp(param, "sta") == 0)
4464                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4465                 else if (os_strcmp(param, "p2p") == 0)
4466                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4467                 else {
4468                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4469                         return -1;
4470                 }
4471                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4472                            "%s", param);
4473                 return 0;
4474         }
4475
4476         if (os_strcmp(cmd, "force_long_sd") == 0) {
4477                 wpa_s->force_long_sd = atoi(param);
4478                 return 0;
4479         }
4480
4481         if (os_strcmp(cmd, "peer_filter") == 0) {
4482                 u8 addr[ETH_ALEN];
4483                 if (hwaddr_aton(param, addr))
4484                         return -1;
4485                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4486                 return 0;
4487         }
4488
4489         if (os_strcmp(cmd, "cross_connect") == 0)
4490                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4491
4492         if (os_strcmp(cmd, "go_apsd") == 0) {
4493                 if (os_strcmp(param, "disable") == 0)
4494                         wpa_s->set_ap_uapsd = 0;
4495                 else {
4496                         wpa_s->set_ap_uapsd = 1;
4497                         wpa_s->ap_uapsd = atoi(param);
4498                 }
4499                 return 0;
4500         }
4501
4502         if (os_strcmp(cmd, "client_apsd") == 0) {
4503                 if (os_strcmp(param, "disable") == 0)
4504                         wpa_s->set_sta_uapsd = 0;
4505                 else {
4506                         int be, bk, vi, vo;
4507                         char *pos;
4508                         /* format: BE,BK,VI,VO;max SP Length */
4509                         be = atoi(param);
4510                         pos = os_strchr(param, ',');
4511                         if (pos == NULL)
4512                                 return -1;
4513                         pos++;
4514                         bk = atoi(pos);
4515                         pos = os_strchr(pos, ',');
4516                         if (pos == NULL)
4517                                 return -1;
4518                         pos++;
4519                         vi = atoi(pos);
4520                         pos = os_strchr(pos, ',');
4521                         if (pos == NULL)
4522                                 return -1;
4523                         pos++;
4524                         vo = atoi(pos);
4525                         /* ignore max SP Length for now */
4526
4527                         wpa_s->set_sta_uapsd = 1;
4528                         wpa_s->sta_uapsd = 0;
4529                         if (be)
4530                                 wpa_s->sta_uapsd |= BIT(0);
4531                         if (bk)
4532                                 wpa_s->sta_uapsd |= BIT(1);
4533                         if (vi)
4534                                 wpa_s->sta_uapsd |= BIT(2);
4535                         if (vo)
4536                                 wpa_s->sta_uapsd |= BIT(3);
4537                 }
4538                 return 0;
4539         }
4540
4541         if (os_strcmp(cmd, "disallow_freq") == 0)
4542                 return p2p_ctrl_disallow_freq(wpa_s, param);
4543
4544         if (os_strcmp(cmd, "disc_int") == 0) {
4545                 int min_disc_int, max_disc_int, max_disc_tu;
4546                 char *pos;
4547
4548                 pos = param;
4549
4550                 min_disc_int = atoi(pos);
4551                 pos = os_strchr(pos, ' ');
4552                 if (pos == NULL)
4553                         return -1;
4554                 *pos++ = '\0';
4555
4556                 max_disc_int = atoi(pos);
4557                 pos = os_strchr(pos, ' ');
4558                 if (pos == NULL)
4559                         return -1;
4560                 *pos++ = '\0';
4561
4562                 max_disc_tu = atoi(pos);
4563
4564                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4565                                         max_disc_int, max_disc_tu);
4566         }
4567
4568         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4569                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4570                 return 0;
4571         }
4572
4573         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4574                    cmd);
4575
4576         return -1;
4577 }
4578
4579
4580 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4581 {
4582         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4583         wpa_s->force_long_sd = 0;
4584         if (wpa_s->global->p2p)
4585                 p2p_flush(wpa_s->global->p2p);
4586 }
4587
4588
4589 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4590 {
4591         char *pos, *pos2;
4592         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4593
4594         if (cmd[0]) {
4595                 pos = os_strchr(cmd, ' ');
4596                 if (pos == NULL)
4597                         return -1;
4598                 *pos++ = '\0';
4599                 dur1 = atoi(cmd);
4600
4601                 pos2 = os_strchr(pos, ' ');
4602                 if (pos2)
4603                         *pos2++ = '\0';
4604                 int1 = atoi(pos);
4605         } else
4606                 pos2 = NULL;
4607
4608         if (pos2) {
4609                 pos = os_strchr(pos2, ' ');
4610                 if (pos == NULL)
4611                         return -1;
4612                 *pos++ = '\0';
4613                 dur2 = atoi(pos2);
4614                 int2 = atoi(pos);
4615         }
4616
4617         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4618 }
4619
4620
4621 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4622 {
4623         char *pos;
4624         unsigned int period = 0, interval = 0;
4625
4626         if (cmd[0]) {
4627                 pos = os_strchr(cmd, ' ');
4628                 if (pos == NULL)
4629                         return -1;
4630                 *pos++ = '\0';
4631                 period = atoi(cmd);
4632                 interval = atoi(pos);
4633         }
4634
4635         return wpas_p2p_ext_listen(wpa_s, period, interval);
4636 }
4637
4638
4639 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
4640 {
4641         const char *pos;
4642         u8 peer[ETH_ALEN];
4643         int iface_addr = 0;
4644
4645         pos = cmd;
4646         if (os_strncmp(pos, "iface=", 6) == 0) {
4647                 iface_addr = 1;
4648                 pos += 6;
4649         }
4650         if (hwaddr_aton(pos, peer))
4651                 return -1;
4652
4653         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
4654         return 0;
4655 }
4656
4657 #endif /* CONFIG_P2P */
4658
4659
4660 #ifdef CONFIG_INTERWORKING
4661 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4662 {
4663         u8 bssid[ETH_ALEN];
4664         struct wpa_bss *bss;
4665
4666         if (hwaddr_aton(dst, bssid)) {
4667                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4668                 return -1;
4669         }
4670
4671         bss = wpa_bss_get_bssid(wpa_s, bssid);
4672         if (bss == NULL) {
4673                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4674                            MAC2STR(bssid));
4675                 return -1;
4676         }
4677
4678         return interworking_connect(wpa_s, bss);
4679 }
4680
4681
4682 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4683 {
4684         u8 dst_addr[ETH_ALEN];
4685         int used;
4686         char *pos;
4687 #define MAX_ANQP_INFO_ID 100
4688         u16 id[MAX_ANQP_INFO_ID];
4689         size_t num_id = 0;
4690
4691         used = hwaddr_aton2(dst, dst_addr);
4692         if (used < 0)
4693                 return -1;
4694         pos = dst + used;
4695         while (num_id < MAX_ANQP_INFO_ID) {
4696                 id[num_id] = atoi(pos);
4697                 if (id[num_id])
4698                         num_id++;
4699                 pos = os_strchr(pos + 1, ',');
4700                 if (pos == NULL)
4701                         break;
4702                 pos++;
4703         }
4704
4705         if (num_id == 0)
4706                 return -1;
4707
4708         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4709 }
4710
4711
4712 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4713 {
4714         u8 dst_addr[ETH_ALEN];
4715         struct wpabuf *advproto, *query = NULL;
4716         int used, ret = -1;
4717         char *pos, *end;
4718         size_t len;
4719
4720         used = hwaddr_aton2(cmd, dst_addr);
4721         if (used < 0)
4722                 return -1;
4723
4724         pos = cmd + used;
4725         while (*pos == ' ')
4726                 pos++;
4727
4728         /* Advertisement Protocol ID */
4729         end = os_strchr(pos, ' ');
4730         if (end)
4731                 len = end - pos;
4732         else
4733                 len = os_strlen(pos);
4734         if (len & 0x01)
4735                 return -1;
4736         len /= 2;
4737         if (len == 0)
4738                 return -1;
4739         advproto = wpabuf_alloc(len);
4740         if (advproto == NULL)
4741                 return -1;
4742         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4743                 goto fail;
4744
4745         if (end) {
4746                 /* Optional Query Request */
4747                 pos = end + 1;
4748                 while (*pos == ' ')
4749                         pos++;
4750
4751                 len = os_strlen(pos);
4752                 if (len) {
4753                         if (len & 0x01)
4754                                 goto fail;
4755                         len /= 2;
4756                         if (len == 0)
4757                                 goto fail;
4758                         query = wpabuf_alloc(len);
4759                         if (query == NULL)
4760                                 goto fail;
4761                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4762                                 goto fail;
4763                 }
4764         }
4765
4766         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4767
4768 fail:
4769         wpabuf_free(advproto);
4770         wpabuf_free(query);
4771
4772         return ret;
4773 }
4774
4775
4776 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4777                             size_t buflen)
4778 {
4779         u8 addr[ETH_ALEN];
4780         int dialog_token;
4781         int used;
4782         char *pos;
4783         size_t resp_len, start, requested_len;
4784
4785         if (!wpa_s->last_gas_resp)
4786                 return -1;
4787
4788         used = hwaddr_aton2(cmd, addr);
4789         if (used < 0)
4790                 return -1;
4791
4792         pos = cmd + used;
4793         while (*pos == ' ')
4794                 pos++;
4795         dialog_token = atoi(pos);
4796
4797         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4798             dialog_token != wpa_s->last_gas_dialog_token)
4799                 return -1;
4800
4801         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4802         start = 0;
4803         requested_len = resp_len;
4804
4805         pos = os_strchr(pos, ' ');
4806         if (pos) {
4807                 start = atoi(pos);
4808                 if (start > resp_len)
4809                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4810                 pos = os_strchr(pos, ',');
4811                 if (pos == NULL)
4812                         return -1;
4813                 pos++;
4814                 requested_len = atoi(pos);
4815                 if (start + requested_len > resp_len)
4816                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4817         }
4818
4819         if (requested_len * 2 + 1 > buflen)
4820                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4821
4822         return wpa_snprintf_hex(buf, buflen,
4823                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4824                                 requested_len);
4825 }
4826 #endif /* CONFIG_INTERWORKING */
4827
4828
4829 #ifdef CONFIG_HS20
4830
4831 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4832 {
4833         u8 dst_addr[ETH_ALEN];
4834         int used;
4835         char *pos;
4836         u32 subtypes = 0;
4837
4838         used = hwaddr_aton2(dst, dst_addr);
4839         if (used < 0)
4840                 return -1;
4841         pos = dst + used;
4842         for (;;) {
4843                 int num = atoi(pos);
4844                 if (num <= 0 || num > 31)
4845                         return -1;
4846                 subtypes |= BIT(num);
4847                 pos = os_strchr(pos + 1, ',');
4848                 if (pos == NULL)
4849                         break;
4850                 pos++;
4851         }
4852
4853         if (subtypes == 0)
4854                 return -1;
4855
4856         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4857 }
4858
4859
4860 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4861                                     const u8 *addr, const char *realm)
4862 {
4863         u8 *buf;
4864         size_t rlen, len;
4865         int ret;
4866
4867         rlen = os_strlen(realm);
4868         len = 3 + rlen;
4869         buf = os_malloc(len);
4870         if (buf == NULL)
4871                 return -1;
4872         buf[0] = 1; /* NAI Home Realm Count */
4873         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4874         buf[2] = rlen;
4875         os_memcpy(buf + 3, realm, rlen);
4876
4877         ret = hs20_anqp_send_req(wpa_s, addr,
4878                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4879                                  buf, len);
4880
4881         os_free(buf);
4882
4883         return ret;
4884 }
4885
4886
4887 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4888                                         char *dst)
4889 {
4890         struct wpa_cred *cred = wpa_s->conf->cred;
4891         u8 dst_addr[ETH_ALEN];
4892         int used;
4893         u8 *buf;
4894         size_t len;
4895         int ret;
4896
4897         used = hwaddr_aton2(dst, dst_addr);
4898         if (used < 0)
4899                 return -1;
4900
4901         while (dst[used] == ' ')
4902                 used++;
4903         if (os_strncmp(dst + used, "realm=", 6) == 0)
4904                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4905                                                 dst + used + 6);
4906
4907         len = os_strlen(dst + used);
4908
4909         if (len == 0 && cred && cred->realm)
4910                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4911
4912         if (len % 1)
4913                 return -1;
4914         len /= 2;
4915         buf = os_malloc(len);
4916         if (buf == NULL)
4917                 return -1;
4918         if (hexstr2bin(dst + used, buf, len) < 0) {
4919                 os_free(buf);
4920                 return -1;
4921         }
4922
4923         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4924                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4925                                  buf, len);
4926         os_free(buf);
4927
4928         return ret;
4929 }
4930
4931 #endif /* CONFIG_HS20 */
4932
4933
4934 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4935         struct wpa_supplicant *wpa_s, char *cmd)
4936 {
4937         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4938         return 0;
4939 }
4940
4941
4942 #ifdef CONFIG_AUTOSCAN
4943
4944 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4945                                               char *cmd)
4946 {
4947         enum wpa_states state = wpa_s->wpa_state;
4948         char *new_params = NULL;
4949
4950         if (os_strlen(cmd) > 0) {
4951                 new_params = os_strdup(cmd);
4952                 if (new_params == NULL)
4953                         return -1;
4954         }
4955
4956         os_free(wpa_s->conf->autoscan);
4957         wpa_s->conf->autoscan = new_params;
4958
4959         if (wpa_s->conf->autoscan == NULL)
4960                 autoscan_deinit(wpa_s);
4961         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4962                 autoscan_init(wpa_s, 1);
4963         else if (state == WPA_SCANNING)
4964                 wpa_supplicant_reinit_autoscan(wpa_s);
4965
4966         return 0;
4967 }
4968
4969 #endif /* CONFIG_AUTOSCAN */
4970
4971
4972 #ifdef CONFIG_WNM
4973
4974 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4975 {
4976         int enter;
4977         int intval = 0;
4978         char *pos;
4979         int ret;
4980         struct wpabuf *tfs_req = NULL;
4981
4982         if (os_strncmp(cmd, "enter", 5) == 0)
4983                 enter = 1;
4984         else if (os_strncmp(cmd, "exit", 4) == 0)
4985                 enter = 0;
4986         else
4987                 return -1;
4988
4989         pos = os_strstr(cmd, " interval=");
4990         if (pos)
4991                 intval = atoi(pos + 10);
4992
4993         pos = os_strstr(cmd, " tfs_req=");
4994         if (pos) {
4995                 char *end;
4996                 size_t len;
4997                 pos += 9;
4998                 end = os_strchr(pos, ' ');
4999                 if (end)
5000                         len = end - pos;
5001                 else
5002                         len = os_strlen(pos);
5003                 if (len & 1)
5004                         return -1;
5005                 len /= 2;
5006                 tfs_req = wpabuf_alloc(len);
5007                 if (tfs_req == NULL)
5008                         return -1;
5009                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5010                         wpabuf_free(tfs_req);
5011                         return -1;
5012                 }
5013         }
5014
5015         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5016                                            WNM_SLEEP_MODE_EXIT, intval,
5017                                            tfs_req);
5018         wpabuf_free(tfs_req);
5019
5020         return ret;
5021 }
5022
5023
5024 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5025 {
5026         int query_reason;
5027
5028         query_reason = atoi(cmd);
5029
5030         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5031                    query_reason);
5032
5033         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5034 }
5035
5036 #endif /* CONFIG_WNM */
5037
5038
5039 /* Get string representation of channel width */
5040 static const char * channel_width_name(enum chan_width width)
5041 {
5042         switch (width) {
5043         case CHAN_WIDTH_20_NOHT:
5044                 return "20 MHz (no HT)";
5045         case CHAN_WIDTH_20:
5046                 return "20 MHz";
5047         case CHAN_WIDTH_40:
5048                 return "40 MHz";
5049         case CHAN_WIDTH_80:
5050                 return "80 MHz";
5051         case CHAN_WIDTH_80P80:
5052                 return "80+80 MHz";
5053         case CHAN_WIDTH_160:
5054                 return "160 MHz";
5055         default:
5056                 return "unknown";
5057         }
5058 }
5059
5060
5061 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5062                                       size_t buflen)
5063 {
5064         struct wpa_signal_info si;
5065         int ret;
5066         char *pos, *end;
5067
5068         ret = wpa_drv_signal_poll(wpa_s, &si);
5069         if (ret)
5070                 return -1;
5071
5072         pos = buf;
5073         end = buf + buflen;
5074
5075         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5076                           "NOISE=%d\nFREQUENCY=%u\n",
5077                           si.current_signal, si.current_txrate / 1000,
5078                           si.current_noise, si.frequency);
5079         if (ret < 0 || ret > end - pos)
5080                 return -1;
5081         pos += ret;
5082
5083         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5084                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5085                                   channel_width_name(si.chanwidth));
5086                 if (ret < 0 || ret > end - pos)
5087                         return -1;
5088                 pos += ret;
5089         }
5090
5091         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5092                 ret = os_snprintf(pos, end - pos,
5093                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5094                                   si.center_frq1, si.center_frq2);
5095                 if (ret < 0 || ret > end - pos)
5096                         return -1;
5097                 pos += ret;
5098         }
5099
5100         if (si.avg_signal) {
5101                 ret = os_snprintf(pos, end - pos,
5102                                   "AVG_RSSI=%d\n", si.avg_signal);
5103                 if (ret < 0 || ret >= end - pos)
5104                         return -1;
5105                 pos += ret;
5106         }
5107
5108         return pos - buf;
5109 }
5110
5111
5112 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5113                                       size_t buflen)
5114 {
5115         struct hostap_sta_driver_data sta;
5116         int ret;
5117
5118         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5119         if (ret)
5120                 return -1;
5121
5122         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5123                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5124         if (ret < 0 || (size_t) ret > buflen)
5125                 return -1;
5126         return ret;
5127 }
5128
5129
5130 #ifdef ANDROID
5131 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5132                                      char *buf, size_t buflen)
5133 {
5134         int ret;
5135
5136         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5137         if (ret == 0) {
5138                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5139                         struct p2p_data *p2p = wpa_s->global->p2p;
5140                         if (p2p) {
5141                                 char country[3];
5142                                 country[0] = cmd[8];
5143                                 country[1] = cmd[9];
5144                                 country[2] = 0x04;
5145                                 p2p_set_country(p2p, country);
5146                         }
5147                 }
5148                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5149         }
5150         return ret;
5151 }
5152 #endif /* ANDROID */
5153
5154
5155 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5156 {
5157         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5158
5159 #ifdef CONFIG_P2P
5160         wpas_p2p_stop_find(wpa_s);
5161         p2p_ctrl_flush(wpa_s);
5162         wpas_p2p_group_remove(wpa_s, "*");
5163 #endif /* CONFIG_P2P */
5164
5165 #ifdef CONFIG_WPS_TESTING
5166         wps_version_number = 0x20;
5167         wps_testing_dummy_cred = 0;
5168 #endif /* CONFIG_WPS_TESTING */
5169 #ifdef CONFIG_WPS
5170         wpas_wps_cancel(wpa_s);
5171 #endif /* CONFIG_WPS */
5172         wpa_s->after_wps = 0;
5173         wpa_s->known_wps_freq = 0;
5174
5175 #ifdef CONFIG_TDLS_TESTING
5176         extern unsigned int tdls_testing;
5177         tdls_testing = 0;
5178 #endif /* CONFIG_TDLS_TESTING */
5179 #ifdef CONFIG_TDLS
5180         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5181         wpa_tdls_enable(wpa_s->wpa, 1);
5182 #endif /* CONFIG_TDLS */
5183
5184         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5185         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5186
5187         wpa_s->no_keep_alive = 0;
5188
5189         os_free(wpa_s->disallow_aps_bssid);
5190         wpa_s->disallow_aps_bssid = NULL;
5191         wpa_s->disallow_aps_bssid_count = 0;
5192         os_free(wpa_s->disallow_aps_ssid);
5193         wpa_s->disallow_aps_ssid = NULL;
5194         wpa_s->disallow_aps_ssid_count = 0;
5195
5196         wpa_s->set_sta_uapsd = 0;
5197         wpa_s->sta_uapsd = 0;
5198
5199         wpa_drv_radio_disable(wpa_s, 0);
5200
5201         wpa_bss_flush(wpa_s);
5202         wpa_blacklist_clear(wpa_s);
5203         wpa_s->extra_blacklist_count = 0;
5204         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5205         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5206 }
5207
5208
5209 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
5210 {
5211         struct wpa_supplicant *wpa_s = eloop_ctx;
5212         eapol_sm_notify_ctrl_response(wpa_s->eapol);
5213 }
5214
5215
5216 static int set_scan_freqs(struct wpa_supplicant *wpa_s, char *val)
5217 {
5218         struct wpa_freq_range_list ranges;
5219         int *freqs = NULL;
5220         struct hostapd_hw_modes *mode;
5221         u16 i;
5222
5223         if (wpa_s->hw.modes == NULL)
5224                 return -1;
5225
5226         os_memset(&ranges, 0, sizeof(ranges));
5227         if (freq_range_list_parse(&ranges, val) < 0)
5228                 return -1;
5229
5230         for (i = 0; i < wpa_s->hw.num_modes; i++) {
5231                 int j;
5232
5233                 mode = &wpa_s->hw.modes[i];
5234                 for (j = 0; j < mode->num_channels; j++) {
5235                         unsigned int freq;
5236
5237                         if (mode->channels[j].flag & HOSTAPD_CHAN_DISABLED)
5238                                 continue;
5239
5240                         freq = mode->channels[j].freq;
5241                         if (!freq_range_list_includes(&ranges, freq))
5242                                 continue;
5243
5244                         int_array_add_unique(&freqs, freq);
5245                 }
5246         }
5247
5248         os_free(ranges.range);
5249         os_free(wpa_s->manual_scan_freqs);
5250         wpa_s->manual_scan_freqs = freqs;
5251
5252         return 0;
5253 }
5254
5255
5256 static void wpas_ctrl_scan(struct wpa_supplicant *wpa_s, char *params,
5257                            char *reply, int reply_size, int *reply_len)
5258 {
5259         char *pos;
5260
5261         if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED) {
5262                 *reply_len = -1;
5263                 return;
5264         }
5265
5266         wpa_s->manual_scan_passive = 0;
5267
5268         if (params) {
5269                 if (os_strncasecmp(params, "TYPE=ONLY", 9) == 0)
5270                         wpa_s->scan_res_handler = scan_only_handler;
5271
5272                 pos = os_strstr(params, "freq=");
5273                 if (pos && set_scan_freqs(wpa_s, pos + 5) < 0) {
5274                         *reply_len = -1;
5275                         return;
5276                 }
5277
5278                 pos = os_strstr(params, "passive=");
5279                 if (pos)
5280                         wpa_s->manual_scan_passive = !!atoi(pos + 8);
5281         } else {
5282                 os_free(wpa_s->manual_scan_freqs);
5283                 wpa_s->manual_scan_freqs = NULL;
5284                 if (wpa_s->scan_res_handler == scan_only_handler)
5285                         wpa_s->scan_res_handler = NULL;
5286         }
5287
5288         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5289             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5290              (wpa_s->wpa_state == WPA_COMPLETED))) {
5291                 wpa_s->normal_scans = 0;
5292                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5293                 wpa_s->after_wps = 0;
5294                 wpa_s->known_wps_freq = 0;
5295                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5296         } else if (wpa_s->sched_scanning) {
5297                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to allow requested full scan to proceed");
5298                 wpa_supplicant_cancel_sched_scan(wpa_s);
5299                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5300                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5301         } else {
5302                 wpa_printf(MSG_DEBUG, "Ongoing scan action - reject new request");
5303                 *reply_len = os_snprintf(reply, reply_size, "FAIL-BUSY\n");
5304         }
5305 }
5306
5307
5308 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5309                                          char *buf, size_t *resp_len)
5310 {
5311         char *reply;
5312         const int reply_size = 4096;
5313         int reply_len;
5314
5315         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5316             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5317             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5318             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5319             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5320                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5321                                       (const u8 *) buf, os_strlen(buf));
5322         } else {
5323                 int level = MSG_DEBUG;
5324                 if (os_strcmp(buf, "PING") == 0)
5325                         level = MSG_EXCESSIVE;
5326                 wpa_hexdump_ascii(level, "RX ctrl_iface",
5327                                   (const u8 *) buf, os_strlen(buf));
5328                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5329         }
5330
5331         reply = os_malloc(reply_size);
5332         if (reply == NULL) {
5333                 *resp_len = 1;
5334                 return NULL;
5335         }
5336
5337         os_memcpy(reply, "OK\n", 3);
5338         reply_len = 3;
5339
5340         if (os_strcmp(buf, "PING") == 0) {
5341                 os_memcpy(reply, "PONG\n", 5);
5342                 reply_len = 5;
5343         } else if (os_strcmp(buf, "IFNAME") == 0) {
5344                 reply_len = os_strlen(wpa_s->ifname);
5345                 os_memcpy(reply, wpa_s->ifname, reply_len);
5346         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5347                 if (wpa_debug_reopen_file() < 0)
5348                         reply_len = -1;
5349         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5350                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5351         } else if (os_strcmp(buf, "MIB") == 0) {
5352                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5353                 if (reply_len >= 0) {
5354                         int res;
5355                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5356                                                reply_size - reply_len);
5357                         if (res < 0)
5358                                 reply_len = -1;
5359                         else
5360                                 reply_len += res;
5361                 }
5362         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5363                 reply_len = wpa_supplicant_ctrl_iface_status(
5364                         wpa_s, buf + 6, reply, reply_size);
5365         } else if (os_strcmp(buf, "PMKSA") == 0) {
5366                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5367                                                     reply_size);
5368         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5369                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5370                         reply_len = -1;
5371         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5372                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5373                                                           reply, reply_size);
5374         } else if (os_strcmp(buf, "LOGON") == 0) {
5375                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5376         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5377                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5378         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5379                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5380                         reply_len = -1;
5381                 else
5382                         wpas_request_connection(wpa_s);
5383         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5384                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5385                         reply_len = -1;
5386                 else if (wpa_s->disconnected)
5387                         wpas_request_connection(wpa_s);
5388 #ifdef IEEE8021X_EAPOL
5389         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5390                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5391                         reply_len = -1;
5392 #endif /* IEEE8021X_EAPOL */
5393 #ifdef CONFIG_PEERKEY
5394         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5395                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5396                         reply_len = -1;
5397 #endif /* CONFIG_PEERKEY */
5398 #ifdef CONFIG_IEEE80211R
5399         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5400                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5401                         reply_len = -1;
5402 #endif /* CONFIG_IEEE80211R */
5403 #ifdef CONFIG_WPS
5404         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5405                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5406                 if (res == -2) {
5407                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5408                         reply_len = 17;
5409                 } else if (res)
5410                         reply_len = -1;
5411         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5412                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5413                 if (res == -2) {
5414                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5415                         reply_len = 17;
5416                 } else if (res)
5417                         reply_len = -1;
5418         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5419                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5420                                                               reply,
5421                                                               reply_size);
5422         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5423                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5424                         wpa_s, buf + 14, reply, reply_size);
5425         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5426                 if (wpas_wps_cancel(wpa_s))
5427                         reply_len = -1;
5428 #ifdef CONFIG_WPS_NFC
5429         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5430                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5431                         reply_len = -1;
5432         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5433                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5434                         reply_len = -1;
5435         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5436                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5437                         wpa_s, buf + 21, reply, reply_size);
5438         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5439                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5440                         wpa_s, buf + 14, reply, reply_size);
5441         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5442                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5443                                                                buf + 17))
5444                         reply_len = -1;
5445         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5446                 reply_len = wpas_ctrl_nfc_get_handover_req(
5447                         wpa_s, buf + 21, reply, reply_size);
5448         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5449                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5450                         wpa_s, buf + 21, reply, reply_size);
5451         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5452                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5453                         wpa_s, buf + 20, reply, reply_size);
5454         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5455                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5456                         reply_len = -1;
5457         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5458                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5459                         reply_len = -1;
5460 #endif /* CONFIG_WPS_NFC */
5461         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5462                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5463                         reply_len = -1;
5464 #ifdef CONFIG_AP
5465         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5466                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5467                         wpa_s, buf + 11, reply, reply_size);
5468 #endif /* CONFIG_AP */
5469 #ifdef CONFIG_WPS_ER
5470         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5471                 if (wpas_wps_er_start(wpa_s, NULL))
5472                         reply_len = -1;
5473         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5474                 if (wpas_wps_er_start(wpa_s, buf + 13))
5475                         reply_len = -1;
5476         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5477                 if (wpas_wps_er_stop(wpa_s))
5478                         reply_len = -1;
5479         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5480                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5481                         reply_len = -1;
5482         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5483                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5484                 if (ret == -2) {
5485                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5486                         reply_len = 17;
5487                 } else if (ret == -3) {
5488                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5489                         reply_len = 18;
5490                 } else if (ret == -4) {
5491                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5492                         reply_len = 20;
5493                 } else if (ret)
5494                         reply_len = -1;
5495         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5496                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5497                         reply_len = -1;
5498         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5499                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5500                                                                 buf + 18))
5501                         reply_len = -1;
5502         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5503                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5504                         reply_len = -1;
5505 #ifdef CONFIG_WPS_NFC
5506         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5507                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5508                         wpa_s, buf + 24, reply, reply_size);
5509 #endif /* CONFIG_WPS_NFC */
5510 #endif /* CONFIG_WPS_ER */
5511 #endif /* CONFIG_WPS */
5512 #ifdef CONFIG_IBSS_RSN
5513         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5514                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5515                         reply_len = -1;
5516 #endif /* CONFIG_IBSS_RSN */
5517 #ifdef CONFIG_P2P
5518         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5519                 if (p2p_ctrl_find(wpa_s, buf + 9))
5520                         reply_len = -1;
5521         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5522                 if (p2p_ctrl_find(wpa_s, ""))
5523                         reply_len = -1;
5524         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5525                 wpas_p2p_stop_find(wpa_s);
5526         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5527                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5528                                              reply_size);
5529         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5530                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5531                         reply_len = -1;
5532         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5533                 if (p2p_ctrl_listen(wpa_s, ""))
5534                         reply_len = -1;
5535         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5536                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5537                         reply_len = -1;
5538         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5539                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
5540                         reply_len = -1;
5541         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5542                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5543                         reply_len = -1;
5544         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5545                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5546                         reply_len = -1;
5547         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5548                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5549         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5550                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5551                                                    reply_size);
5552         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5553                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5554                         reply_len = -1;
5555         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5556                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5557                         reply_len = -1;
5558         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5559                 wpas_p2p_sd_service_update(wpa_s);
5560         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5561                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5562                         reply_len = -1;
5563         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5564                 wpas_p2p_service_flush(wpa_s);
5565         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5566                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5567                         reply_len = -1;
5568         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5569                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5570                         reply_len = -1;
5571         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5572                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5573                         reply_len = -1;
5574         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5575                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5576                         reply_len = -1;
5577         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5578                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5579                                               reply_size);
5580         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5581                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5582                         reply_len = -1;
5583         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5584                 p2p_ctrl_flush(wpa_s);
5585         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5586                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5587                         reply_len = -1;
5588         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5589                 if (wpas_p2p_cancel(wpa_s))
5590                         reply_len = -1;
5591         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5592                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5593                         reply_len = -1;
5594         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5595                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5596                         reply_len = -1;
5597         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5598                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5599                         reply_len = -1;
5600         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5601                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5602                         reply_len = -1;
5603         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
5604                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
5605                         reply_len = -1;
5606 #endif /* CONFIG_P2P */
5607 #ifdef CONFIG_WIFI_DISPLAY
5608         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5609                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5610                         reply_len = -1;
5611         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5612                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5613                                                      reply, reply_size);
5614 #endif /* CONFIG_WIFI_DISPLAY */
5615 #ifdef CONFIG_INTERWORKING
5616         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5617                 if (interworking_fetch_anqp(wpa_s) < 0)
5618                         reply_len = -1;
5619         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5620                 interworking_stop_fetch_anqp(wpa_s);
5621         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5622                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5623                                         NULL) < 0)
5624                         reply_len = -1;
5625         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5626                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5627                         reply_len = -1;
5628         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5629                 if (get_anqp(wpa_s, buf + 9) < 0)
5630                         reply_len = -1;
5631         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5632                 if (gas_request(wpa_s, buf + 12) < 0)
5633                         reply_len = -1;
5634         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5635                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5636                                              reply_size);
5637 #endif /* CONFIG_INTERWORKING */
5638 #ifdef CONFIG_HS20
5639         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5640                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5641                         reply_len = -1;
5642         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5643                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5644                         reply_len = -1;
5645 #endif /* CONFIG_HS20 */
5646         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5647         {
5648                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5649                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5650                         reply_len = -1;
5651                 else {
5652                         /*
5653                          * Notify response from timeout to allow the control
5654                          * interface response to be sent first.
5655                          */
5656                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
5657                                                wpa_s, NULL);
5658                 }
5659         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5660                 if (wpa_supplicant_reload_configuration(wpa_s))
5661                         reply_len = -1;
5662         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5663                 wpa_supplicant_terminate_proc(wpa_s->global);
5664         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5665                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5666                         reply_len = -1;
5667         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5668                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5669                         wpa_s, buf + 9, reply, reply_size);
5670         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5671                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5672                         wpa_s, buf + 9, reply, reply_size);
5673         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5674                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5675                         wpa_s, reply, reply_size);
5676         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5677 #ifdef CONFIG_SME
5678                 wpa_s->sme.prev_bssid_set = 0;
5679 #endif /* CONFIG_SME */
5680                 wpa_s->reassociate = 0;
5681                 wpa_s->disconnected = 1;
5682                 wpa_supplicant_cancel_sched_scan(wpa_s);
5683                 wpa_supplicant_cancel_scan(wpa_s);
5684                 wpa_supplicant_deauthenticate(wpa_s,
5685                                               WLAN_REASON_DEAUTH_LEAVING);
5686         } else if (os_strcmp(buf, "SCAN") == 0) {
5687                 wpas_ctrl_scan(wpa_s, NULL, reply, reply_size, &reply_len);
5688         } else if (os_strncmp(buf, "SCAN ", 5) == 0) {
5689                 wpas_ctrl_scan(wpa_s, buf + 5, reply, reply_size, &reply_len);
5690         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5691                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5692                         wpa_s, reply, reply_size);
5693         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5694                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5695                         reply_len = -1;
5696         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5697                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5698                         reply_len = -1;
5699         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5700                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5701                         reply_len = -1;
5702         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5703                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5704                         wpa_s, reply, reply_size);
5705         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5706                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5707                         reply_len = -1;
5708         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5709                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5710                         reply_len = -1;
5711         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5712                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5713                         wpa_s, buf + 12, reply, reply_size);
5714         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5715                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5716                         wpa_s, reply, reply_size);
5717         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5718                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5719                         wpa_s, reply, reply_size);
5720         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5721                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5722                         reply_len = -1;
5723         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5724                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5725                         reply_len = -1;
5726 #ifndef CONFIG_NO_CONFIG_WRITE
5727         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5728                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5729                         reply_len = -1;
5730 #endif /* CONFIG_NO_CONFIG_WRITE */
5731         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5732                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5733                         wpa_s, buf + 15, reply, reply_size);
5734         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5735                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5736                         reply_len = -1;
5737         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5738                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5739                         reply_len = -1;
5740         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5741                 reply_len = wpa_supplicant_global_iface_list(
5742                         wpa_s->global, reply, reply_size);
5743         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5744                 reply_len = wpa_supplicant_global_iface_interfaces(
5745                         wpa_s->global, reply, reply_size);
5746         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5747                 reply_len = wpa_supplicant_ctrl_iface_bss(
5748                         wpa_s, buf + 4, reply, reply_size);
5749 #ifdef CONFIG_AP
5750         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5751                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5752         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5753                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5754                                               reply_size);
5755         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5756                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5757                                                    reply_size);
5758         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5759                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5760                         reply_len = -1;
5761         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5762                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5763                         reply_len = -1;
5764         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
5765                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
5766                         reply_len = -1;
5767 #endif /* CONFIG_AP */
5768         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5769                 wpas_notify_suspend(wpa_s->global);
5770         } else if (os_strcmp(buf, "RESUME") == 0) {
5771                 wpas_notify_resume(wpa_s->global);
5772         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5773                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5774         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5775                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5776                         reply_len = -1;
5777         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5778                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5779                         reply_len = -1;
5780         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5781                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5782                         reply_len = -1;
5783         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5784                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5785                                                                buf + 17))
5786                         reply_len = -1;
5787         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5788                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5789                         reply_len = -1;
5790 #ifdef CONFIG_TDLS
5791         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5792                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5793                         reply_len = -1;
5794         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5795                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5796                         reply_len = -1;
5797         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5798                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5799                         reply_len = -1;
5800 #endif /* CONFIG_TDLS */
5801         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5802                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5803                                                        reply_size);
5804         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5805                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5806                                                        reply_size);
5807 #ifdef CONFIG_AUTOSCAN
5808         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5809                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5810                         reply_len = -1;
5811 #endif /* CONFIG_AUTOSCAN */
5812 #ifdef ANDROID
5813         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
5814                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
5815                                                       reply_size);
5816 #endif /* ANDROID */
5817         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5818                 pmksa_cache_clear_current(wpa_s->wpa);
5819                 eapol_sm_request_reauth(wpa_s->eapol);
5820 #ifdef CONFIG_WNM
5821         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5822                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5823                         reply_len = -1;
5824         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
5825                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
5826                                 reply_len = -1;
5827 #endif /* CONFIG_WNM */
5828         } else if (os_strcmp(buf, "FLUSH") == 0) {
5829                 wpa_supplicant_ctrl_iface_flush(wpa_s);
5830         } else {
5831                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5832                 reply_len = 16;
5833         }
5834
5835         if (reply_len < 0) {
5836                 os_memcpy(reply, "FAIL\n", 5);
5837                 reply_len = 5;
5838         }
5839
5840         *resp_len = reply_len;
5841         return reply;
5842 }
5843
5844
5845 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5846                                            char *cmd)
5847 {
5848         struct wpa_interface iface;
5849         char *pos;
5850
5851         /*
5852          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5853          * TAB<bridge_ifname>
5854          */
5855         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5856
5857         os_memset(&iface, 0, sizeof(iface));
5858
5859         do {
5860                 iface.ifname = pos = cmd;
5861                 pos = os_strchr(pos, '\t');
5862                 if (pos)
5863                         *pos++ = '\0';
5864                 if (iface.ifname[0] == '\0')
5865                         return -1;
5866                 if (pos == NULL)
5867                         break;
5868
5869                 iface.confname = pos;
5870                 pos = os_strchr(pos, '\t');
5871                 if (pos)
5872                         *pos++ = '\0';
5873                 if (iface.confname[0] == '\0')
5874                         iface.confname = NULL;
5875                 if (pos == NULL)
5876                         break;
5877
5878                 iface.driver = pos;
5879                 pos = os_strchr(pos, '\t');
5880                 if (pos)
5881                         *pos++ = '\0';
5882                 if (iface.driver[0] == '\0')
5883                         iface.driver = NULL;
5884                 if (pos == NULL)
5885                         break;
5886
5887                 iface.ctrl_interface = pos;
5888                 pos = os_strchr(pos, '\t');
5889                 if (pos)
5890                         *pos++ = '\0';
5891                 if (iface.ctrl_interface[0] == '\0')
5892                         iface.ctrl_interface = NULL;
5893                 if (pos == NULL)
5894                         break;
5895
5896                 iface.driver_param = pos;
5897                 pos = os_strchr(pos, '\t');
5898                 if (pos)
5899                         *pos++ = '\0';
5900                 if (iface.driver_param[0] == '\0')
5901                         iface.driver_param = NULL;
5902                 if (pos == NULL)
5903                         break;
5904
5905                 iface.bridge_ifname = pos;
5906                 pos = os_strchr(pos, '\t');
5907                 if (pos)
5908                         *pos++ = '\0';
5909                 if (iface.bridge_ifname[0] == '\0')
5910                         iface.bridge_ifname = NULL;
5911                 if (pos == NULL)
5912                         break;
5913         } while (0);
5914
5915         if (wpa_supplicant_get_iface(global, iface.ifname))
5916                 return -1;
5917
5918         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5919 }
5920
5921
5922 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5923                                               char *cmd)
5924 {
5925         struct wpa_supplicant *wpa_s;
5926
5927         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5928
5929         wpa_s = wpa_supplicant_get_iface(global, cmd);
5930         if (wpa_s == NULL)
5931                 return -1;
5932         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5933 }
5934
5935
5936 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5937 {
5938         struct wpa_interface_info *prev;
5939
5940         while (iface) {
5941                 prev = iface;
5942                 iface = iface->next;
5943
5944                 os_free(prev->ifname);
5945                 os_free(prev->desc);
5946                 os_free(prev);
5947         }
5948 }
5949
5950
5951 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5952                                             char *buf, int len)
5953 {
5954         int i, res;
5955         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5956         char *pos, *end;
5957
5958         for (i = 0; wpa_drivers[i]; i++) {
5959                 struct wpa_driver_ops *drv = wpa_drivers[i];
5960                 if (drv->get_interfaces == NULL)
5961                         continue;
5962                 tmp = drv->get_interfaces(global->drv_priv[i]);
5963                 if (tmp == NULL)
5964                         continue;
5965
5966                 if (last == NULL)
5967                         iface = last = tmp;
5968                 else
5969                         last->next = tmp;
5970                 while (last->next)
5971                         last = last->next;
5972         }
5973
5974         pos = buf;
5975         end = buf + len;
5976         for (tmp = iface; tmp; tmp = tmp->next) {
5977                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5978                                   tmp->drv_name, tmp->ifname,
5979                                   tmp->desc ? tmp->desc : "");
5980                 if (res < 0 || res >= end - pos) {
5981                         *pos = '\0';
5982                         break;
5983                 }
5984                 pos += res;
5985         }
5986
5987         wpa_free_iface_info(iface);
5988
5989         return pos - buf;
5990 }
5991
5992
5993 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5994                                                   char *buf, int len)
5995 {
5996         int res;
5997         char *pos, *end;
5998         struct wpa_supplicant *wpa_s;
5999
6000         wpa_s = global->ifaces;
6001         pos = buf;
6002         end = buf + len;
6003
6004         while (wpa_s) {
6005                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
6006                 if (res < 0 || res >= end - pos) {
6007                         *pos = '\0';
6008                         break;
6009                 }
6010                 pos += res;
6011                 wpa_s = wpa_s->next;
6012         }
6013         return pos - buf;
6014 }
6015
6016
6017 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
6018                                             const char *ifname,
6019                                             char *cmd, size_t *resp_len)
6020 {
6021         struct wpa_supplicant *wpa_s;
6022
6023         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6024                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
6025                         break;
6026         }
6027
6028         if (wpa_s == NULL) {
6029                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
6030                 if (resp)
6031                         *resp_len = os_strlen(resp);
6032                 else
6033                         *resp_len = 1;
6034                 return resp;
6035         }
6036
6037         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
6038 }
6039
6040
6041 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
6042                                                char *buf, size_t *resp_len)
6043 {
6044 #ifdef CONFIG_P2P
6045         static const char * cmd[] = {
6046                 "P2P_FIND",
6047                 "P2P_STOP_FIND",
6048                 "P2P_LISTEN",
6049                 "P2P_GROUP_ADD",
6050                 "P2P_GET_PASSPHRASE",
6051                 "P2P_SERVICE_UPDATE",
6052                 "P2P_SERVICE_FLUSH",
6053                 "P2P_FLUSH",
6054                 "P2P_CANCEL",
6055                 "P2P_PRESENCE_REQ",
6056                 "P2P_EXT_LISTEN",
6057                 NULL
6058         };
6059         static const char * prefix[] = {
6060                 "P2P_FIND ",
6061                 "P2P_CONNECT ",
6062                 "P2P_LISTEN ",
6063                 "P2P_GROUP_REMOVE ",
6064                 "P2P_GROUP_ADD ",
6065                 "P2P_PROV_DISC ",
6066                 "P2P_SERV_DISC_REQ ",
6067                 "P2P_SERV_DISC_CANCEL_REQ ",
6068                 "P2P_SERV_DISC_RESP ",
6069                 "P2P_SERV_DISC_EXTERNAL ",
6070                 "P2P_SERVICE_ADD ",
6071                 "P2P_SERVICE_DEL ",
6072                 "P2P_REJECT ",
6073                 "P2P_INVITE ",
6074                 "P2P_PEER ",
6075                 "P2P_SET ",
6076                 "P2P_UNAUTHORIZE ",
6077                 "P2P_PRESENCE_REQ ",
6078                 "P2P_EXT_LISTEN ",
6079                 "P2P_REMOVE_CLIENT ",
6080                 NULL
6081         };
6082         int found = 0;
6083         int i;
6084
6085         if (global->p2p_init_wpa_s == NULL)
6086                 return NULL;
6087
6088         for (i = 0; !found && cmd[i]; i++) {
6089                 if (os_strcmp(buf, cmd[i]) == 0)
6090                         found = 1;
6091         }
6092
6093         for (i = 0; !found && prefix[i]; i++) {
6094                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
6095                         found = 1;
6096         }
6097
6098         if (found)
6099                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6100                                                          buf, resp_len);
6101 #endif /* CONFIG_P2P */
6102         return NULL;
6103 }
6104
6105
6106 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
6107                                                char *buf, size_t *resp_len)
6108 {
6109 #ifdef CONFIG_WIFI_DISPLAY
6110         if (global->p2p_init_wpa_s == NULL)
6111                 return NULL;
6112         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
6113             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
6114                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6115                                                          buf, resp_len);
6116 #endif /* CONFIG_WIFI_DISPLAY */
6117         return NULL;
6118 }
6119
6120
6121 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
6122                                            char *buf, size_t *resp_len)
6123 {
6124         char *ret;
6125
6126         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
6127         if (ret)
6128                 return ret;
6129
6130         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
6131         if (ret)
6132                 return ret;
6133
6134         return NULL;
6135 }
6136
6137
6138 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
6139 {
6140         char *value;
6141
6142         value = os_strchr(cmd, ' ');
6143         if (value == NULL)
6144                 return -1;
6145         *value++ = '\0';
6146
6147         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
6148
6149 #ifdef CONFIG_WIFI_DISPLAY
6150         if (os_strcasecmp(cmd, "wifi_display") == 0) {
6151                 wifi_display_enable(global, !!atoi(value));
6152                 return 0;
6153         }
6154 #endif /* CONFIG_WIFI_DISPLAY */
6155
6156         return -1;
6157 }
6158
6159
6160 #ifndef CONFIG_NO_CONFIG_WRITE
6161 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
6162 {
6163         int ret = 0;
6164         struct wpa_supplicant *wpa_s;
6165
6166         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6167                 if (!wpa_s->conf->update_config) {
6168                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
6169                         continue;
6170                 }
6171
6172                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
6173                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
6174                         ret = 1;
6175                 } else {
6176                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
6177                 }
6178         }
6179
6180         return ret;
6181 }
6182 #endif /* CONFIG_NO_CONFIG_WRITE */
6183
6184
6185 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
6186                                          char *buf, size_t buflen)
6187 {
6188         char *pos, *end;
6189         int ret;
6190         struct wpa_supplicant *wpa_s;
6191
6192         pos = buf;
6193         end = buf + buflen;
6194
6195 #ifdef CONFIG_P2P
6196         if (global->p2p && !global->p2p_disabled) {
6197                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
6198                                   "\n"
6199                                   "p2p_state=%s\n",
6200                                   MAC2STR(global->p2p_dev_addr),
6201                                   p2p_get_state_txt(global->p2p));
6202                 if (ret < 0 || ret >= end - pos)
6203                         return pos - buf;
6204                 pos += ret;
6205         } else if (global->p2p) {
6206                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
6207                 if (ret < 0 || ret >= end - pos)
6208                         return pos - buf;
6209                 pos += ret;
6210         }
6211 #endif /* CONFIG_P2P */
6212
6213 #ifdef CONFIG_WIFI_DISPLAY
6214         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
6215                           !!global->wifi_display);
6216         if (ret < 0 || ret >= end - pos)
6217                 return pos - buf;
6218         pos += ret;
6219 #endif /* CONFIG_WIFI_DISPLAY */
6220
6221         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6222                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
6223                                   "address=" MACSTR "\n",
6224                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
6225                 if (ret < 0 || ret >= end - pos)
6226                         return pos - buf;
6227                 pos += ret;
6228         }
6229
6230         return pos - buf;
6231 }
6232
6233
6234 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
6235                                                 char *buf, size_t *resp_len)
6236 {
6237         char *reply;
6238         const int reply_size = 2048;
6239         int reply_len;
6240         int level = MSG_DEBUG;
6241
6242         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
6243                 char *pos = os_strchr(buf + 7, ' ');
6244                 if (pos) {
6245                         *pos++ = '\0';
6246                         return wpas_global_ctrl_iface_ifname(global,
6247                                                              buf + 7, pos,
6248                                                              resp_len);
6249                 }
6250         }
6251
6252         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
6253         if (reply)
6254                 return reply;
6255
6256         if (os_strcmp(buf, "PING") == 0)
6257                 level = MSG_EXCESSIVE;
6258         wpa_hexdump_ascii(level, "RX global ctrl_iface",
6259                           (const u8 *) buf, os_strlen(buf));
6260
6261         reply = os_malloc(reply_size);
6262         if (reply == NULL) {
6263                 *resp_len = 1;
6264                 return NULL;
6265         }
6266
6267         os_memcpy(reply, "OK\n", 3);
6268         reply_len = 3;
6269
6270         if (os_strcmp(buf, "PING") == 0) {
6271                 os_memcpy(reply, "PONG\n", 5);
6272                 reply_len = 5;
6273         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6274                 if (wpa_supplicant_global_iface_add(global, buf + 14))
6275                         reply_len = -1;
6276         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6277                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
6278                         reply_len = -1;
6279         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6280                 reply_len = wpa_supplicant_global_iface_list(
6281                         global, reply, reply_size);
6282         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6283                 reply_len = wpa_supplicant_global_iface_interfaces(
6284                         global, reply, reply_size);
6285         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6286                 wpa_supplicant_terminate_proc(global);
6287         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6288                 wpas_notify_suspend(global);
6289         } else if (os_strcmp(buf, "RESUME") == 0) {
6290                 wpas_notify_resume(global);
6291         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6292                 if (wpas_global_ctrl_iface_set(global, buf + 4))
6293                         reply_len = -1;
6294 #ifndef CONFIG_NO_CONFIG_WRITE
6295         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6296                 if (wpas_global_ctrl_iface_save_config(global))
6297                         reply_len = -1;
6298 #endif /* CONFIG_NO_CONFIG_WRITE */
6299         } else if (os_strcmp(buf, "STATUS") == 0) {
6300                 reply_len = wpas_global_ctrl_iface_status(global, reply,
6301                                                           reply_size);
6302         } else {
6303                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6304                 reply_len = 16;
6305         }
6306
6307         if (reply_len < 0) {
6308                 os_memcpy(reply, "FAIL\n", 5);
6309                 reply_len = 5;
6310         }
6311
6312         *resp_len = reply_len;
6313         return reply;
6314 }