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 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2662                                               struct wpa_driver_capa *capa,
2663                                               char *buf, size_t buflen)
2664 {
2665         int ret, first = 1;
2666         char *pos, *end;
2667         size_t len;
2668
2669         pos = buf;
2670         end = pos + buflen;
2671
2672         if (res < 0) {
2673                 if (strict)
2674                         return 0;
2675                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2676                 if (len >= buflen)
2677                         return -1;
2678                 return len;
2679         }
2680
2681         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2682                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2683                 if (ret < 0 || ret >= end - pos)
2684                         return pos - buf;
2685                 pos += ret;
2686                 first = 0;
2687         }
2688
2689         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2690                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2691                 if (ret < 0 || ret >= end - pos)
2692                         return pos - buf;
2693                 pos += ret;
2694                 first = 0;
2695         }
2696
2697         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2698                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2699                 if (ret < 0 || ret >= end - pos)
2700                         return pos - buf;
2701                 pos += ret;
2702                 first = 0;
2703         }
2704
2705         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2706                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2707                 if (ret < 0 || ret >= end - pos)
2708                         return pos - buf;
2709                 pos += ret;
2710                 first = 0;
2711         }
2712
2713         return pos - buf;
2714 }
2715
2716
2717 static int ctrl_iface_get_capability_group(int res, char *strict,
2718                                            struct wpa_driver_capa *capa,
2719                                            char *buf, size_t buflen)
2720 {
2721         int ret, first = 1;
2722         char *pos, *end;
2723         size_t len;
2724
2725         pos = buf;
2726         end = pos + buflen;
2727
2728         if (res < 0) {
2729                 if (strict)
2730                         return 0;
2731                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2732                 if (len >= buflen)
2733                         return -1;
2734                 return len;
2735         }
2736
2737         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2738                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2739                 if (ret < 0 || ret >= end - pos)
2740                         return pos - buf;
2741                 pos += ret;
2742                 first = 0;
2743         }
2744
2745         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2746                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2747                 if (ret < 0 || ret >= end - pos)
2748                         return pos - buf;
2749                 pos += ret;
2750                 first = 0;
2751         }
2752
2753         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2754                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2755                 if (ret < 0 || ret >= end - pos)
2756                         return pos - buf;
2757                 pos += ret;
2758                 first = 0;
2759         }
2760
2761         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2762                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2763                                   first ? "" : " ");
2764                 if (ret < 0 || ret >= end - pos)
2765                         return pos - buf;
2766                 pos += ret;
2767                 first = 0;
2768         }
2769
2770         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2771                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2772                 if (ret < 0 || ret >= end - pos)
2773                         return pos - buf;
2774                 pos += ret;
2775                 first = 0;
2776         }
2777
2778         return pos - buf;
2779 }
2780
2781
2782 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2783                                               struct wpa_driver_capa *capa,
2784                                               char *buf, size_t buflen)
2785 {
2786         int ret;
2787         char *pos, *end;
2788         size_t len;
2789
2790         pos = buf;
2791         end = pos + buflen;
2792
2793         if (res < 0) {
2794                 if (strict)
2795                         return 0;
2796                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2797                                  "NONE", buflen);
2798                 if (len >= buflen)
2799                         return -1;
2800                 return len;
2801         }
2802
2803         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2804         if (ret < 0 || ret >= end - pos)
2805                 return pos - buf;
2806         pos += ret;
2807
2808         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2809                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2810                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2811                 if (ret < 0 || ret >= end - pos)
2812                         return pos - buf;
2813                 pos += ret;
2814         }
2815
2816         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2817                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2818                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2819                 if (ret < 0 || ret >= end - pos)
2820                         return pos - buf;
2821                 pos += ret;
2822         }
2823
2824         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2825                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2826                 if (ret < 0 || ret >= end - pos)
2827                         return pos - buf;
2828                 pos += ret;
2829         }
2830
2831         return pos - buf;
2832 }
2833
2834
2835 static int ctrl_iface_get_capability_proto(int res, char *strict,
2836                                            struct wpa_driver_capa *capa,
2837                                            char *buf, size_t buflen)
2838 {
2839         int ret, first = 1;
2840         char *pos, *end;
2841         size_t len;
2842
2843         pos = buf;
2844         end = pos + buflen;
2845
2846         if (res < 0) {
2847                 if (strict)
2848                         return 0;
2849                 len = os_strlcpy(buf, "RSN WPA", buflen);
2850                 if (len >= buflen)
2851                         return -1;
2852                 return len;
2853         }
2854
2855         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2856                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2857                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2858                 if (ret < 0 || ret >= end - pos)
2859                         return pos - buf;
2860                 pos += ret;
2861                 first = 0;
2862         }
2863
2864         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2865                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2866                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2867                 if (ret < 0 || ret >= end - pos)
2868                         return pos - buf;
2869                 pos += ret;
2870                 first = 0;
2871         }
2872
2873         return pos - buf;
2874 }
2875
2876
2877 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2878                                               struct wpa_driver_capa *capa,
2879                                               char *buf, size_t buflen)
2880 {
2881         int ret, first = 1;
2882         char *pos, *end;
2883         size_t len;
2884
2885         pos = buf;
2886         end = pos + buflen;
2887
2888         if (res < 0) {
2889                 if (strict)
2890                         return 0;
2891                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2892                 if (len >= buflen)
2893                         return -1;
2894                 return len;
2895         }
2896
2897         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2898                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2899                 if (ret < 0 || ret >= end - pos)
2900                         return pos - buf;
2901                 pos += ret;
2902                 first = 0;
2903         }
2904
2905         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2906                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2907                                   first ? "" : " ");
2908                 if (ret < 0 || ret >= end - pos)
2909                         return pos - buf;
2910                 pos += ret;
2911                 first = 0;
2912         }
2913
2914         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2915                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2916                 if (ret < 0 || ret >= end - pos)
2917                         return pos - buf;
2918                 pos += ret;
2919                 first = 0;
2920         }
2921
2922         return pos - buf;
2923 }
2924
2925
2926 static int ctrl_iface_get_capability_modes(int res, char *strict,
2927                                            struct wpa_driver_capa *capa,
2928                                            char *buf, size_t buflen)
2929 {
2930         int ret, first = 1;
2931         char *pos, *end;
2932         size_t len;
2933
2934         pos = buf;
2935         end = pos + buflen;
2936
2937         if (res < 0) {
2938                 if (strict)
2939                         return 0;
2940                 len = os_strlcpy(buf, "IBSS AP", buflen);
2941                 if (len >= buflen)
2942                         return -1;
2943                 return len;
2944         }
2945
2946         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2947                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2948                 if (ret < 0 || ret >= end - pos)
2949                         return pos - buf;
2950                 pos += ret;
2951                 first = 0;
2952         }
2953
2954         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2955                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2956                 if (ret < 0 || ret >= end - pos)
2957                         return pos - buf;
2958                 pos += ret;
2959                 first = 0;
2960         }
2961
2962         return pos - buf;
2963 }
2964
2965
2966 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2967                                               char *buf, size_t buflen)
2968 {
2969         struct hostapd_channel_data *chnl;
2970         int ret, i, j;
2971         char *pos, *end, *hmode;
2972
2973         pos = buf;
2974         end = pos + buflen;
2975
2976         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2977                 switch (wpa_s->hw.modes[j].mode) {
2978                 case HOSTAPD_MODE_IEEE80211B:
2979                         hmode = "B";
2980                         break;
2981                 case HOSTAPD_MODE_IEEE80211G:
2982                         hmode = "G";
2983                         break;
2984                 case HOSTAPD_MODE_IEEE80211A:
2985                         hmode = "A";
2986                         break;
2987                 case HOSTAPD_MODE_IEEE80211AD:
2988                         hmode = "AD";
2989                         break;
2990                 default:
2991                         continue;
2992                 }
2993                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2994                 if (ret < 0 || ret >= end - pos)
2995                         return pos - buf;
2996                 pos += ret;
2997                 chnl = wpa_s->hw.modes[j].channels;
2998                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2999                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3000                                 continue;
3001                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
3002                         if (ret < 0 || ret >= end - pos)
3003                                 return pos - buf;
3004                         pos += ret;
3005                 }
3006                 ret = os_snprintf(pos, end - pos, "\n");
3007                 if (ret < 0 || ret >= end - pos)
3008                         return pos - buf;
3009                 pos += ret;
3010         }
3011
3012         return pos - buf;
3013 }
3014
3015
3016 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
3017                                           char *buf, size_t buflen)
3018 {
3019         struct hostapd_channel_data *chnl;
3020         int ret, i, j;
3021         char *pos, *end, *hmode;
3022
3023         pos = buf;
3024         end = pos + buflen;
3025
3026         for (j = 0; j < wpa_s->hw.num_modes; j++) {
3027                 switch (wpa_s->hw.modes[j].mode) {
3028                 case HOSTAPD_MODE_IEEE80211B:
3029                         hmode = "B";
3030                         break;
3031                 case HOSTAPD_MODE_IEEE80211G:
3032                         hmode = "G";
3033                         break;
3034                 case HOSTAPD_MODE_IEEE80211A:
3035                         hmode = "A";
3036                         break;
3037                 case HOSTAPD_MODE_IEEE80211AD:
3038                         hmode = "AD";
3039                         break;
3040                 default:
3041                         continue;
3042                 }
3043                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3044                                   hmode);
3045                 if (ret < 0 || ret >= end - pos)
3046                         return pos - buf;
3047                 pos += ret;
3048                 chnl = wpa_s->hw.modes[j].channels;
3049                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3050                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3051                                 continue;
3052                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
3053                                           chnl[i].chan, chnl[i].freq,
3054                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3055                                           " (NO_IBSS)" : "");
3056                         if (ret < 0 || ret >= end - pos)
3057                                 return pos - buf;
3058                         pos += ret;
3059                 }
3060                 ret = os_snprintf(pos, end - pos, "\n");
3061                 if (ret < 0 || ret >= end - pos)
3062                         return pos - buf;
3063                 pos += ret;
3064         }
3065
3066         return pos - buf;
3067 }
3068
3069
3070 static int wpa_supplicant_ctrl_iface_get_capability(
3071         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3072         size_t buflen)
3073 {
3074         struct wpa_driver_capa capa;
3075         int res;
3076         char *strict;
3077         char field[30];
3078         size_t len;
3079
3080         /* Determine whether or not strict checking was requested */
3081         len = os_strlcpy(field, _field, sizeof(field));
3082         if (len >= sizeof(field))
3083                 return -1;
3084         strict = os_strchr(field, ' ');
3085         if (strict != NULL) {
3086                 *strict++ = '\0';
3087                 if (os_strcmp(strict, "strict") != 0)
3088                         return -1;
3089         }
3090
3091         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3092                 field, strict ? strict : "");
3093
3094         if (os_strcmp(field, "eap") == 0) {
3095                 return eap_get_names(buf, buflen);
3096         }
3097
3098         res = wpa_drv_get_capa(wpa_s, &capa);
3099
3100         if (os_strcmp(field, "pairwise") == 0)
3101                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3102                                                           buf, buflen);
3103
3104         if (os_strcmp(field, "group") == 0)
3105                 return ctrl_iface_get_capability_group(res, strict, &capa,
3106                                                        buf, buflen);
3107
3108         if (os_strcmp(field, "key_mgmt") == 0)
3109                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3110                                                           buf, buflen);
3111
3112         if (os_strcmp(field, "proto") == 0)
3113                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3114                                                        buf, buflen);
3115
3116         if (os_strcmp(field, "auth_alg") == 0)
3117                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3118                                                           buf, buflen);
3119
3120         if (os_strcmp(field, "modes") == 0)
3121                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3122                                                        buf, buflen);
3123
3124         if (os_strcmp(field, "channels") == 0)
3125                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3126
3127         if (os_strcmp(field, "freq") == 0)
3128                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3129
3130         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3131                    field);
3132
3133         return -1;
3134 }
3135
3136
3137 #ifdef CONFIG_INTERWORKING
3138 static char * anqp_add_hex(char *pos, char *end, const char *title,
3139                            struct wpabuf *data)
3140 {
3141         char *start = pos;
3142         size_t i;
3143         int ret;
3144         const u8 *d;
3145
3146         if (data == NULL)
3147                 return start;
3148
3149         ret = os_snprintf(pos, end - pos, "%s=", title);
3150         if (ret < 0 || ret >= end - pos)
3151                 return start;
3152         pos += ret;
3153
3154         d = wpabuf_head_u8(data);
3155         for (i = 0; i < wpabuf_len(data); i++) {
3156                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3157                 if (ret < 0 || ret >= end - pos)
3158                         return start;
3159                 pos += ret;
3160         }
3161
3162         ret = os_snprintf(pos, end - pos, "\n");
3163         if (ret < 0 || ret >= end - pos)
3164                 return start;
3165         pos += ret;
3166
3167         return pos;
3168 }
3169 #endif /* CONFIG_INTERWORKING */
3170
3171
3172 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3173                           unsigned long mask, char *buf, size_t buflen)
3174 {
3175         size_t i;
3176         int ret;
3177         char *pos, *end;
3178         const u8 *ie, *ie2;
3179
3180         pos = buf;
3181         end = buf + buflen;
3182
3183         if (mask & WPA_BSS_MASK_ID) {
3184                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3185                 if (ret < 0 || ret >= end - pos)
3186                         return 0;
3187                 pos += ret;
3188         }
3189
3190         if (mask & WPA_BSS_MASK_BSSID) {
3191                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3192                                   MAC2STR(bss->bssid));
3193                 if (ret < 0 || ret >= end - pos)
3194                         return 0;
3195                 pos += ret;
3196         }
3197
3198         if (mask & WPA_BSS_MASK_FREQ) {
3199                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3200                 if (ret < 0 || ret >= end - pos)
3201                         return 0;
3202                 pos += ret;
3203         }
3204
3205         if (mask & WPA_BSS_MASK_BEACON_INT) {
3206                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3207                                   bss->beacon_int);
3208                 if (ret < 0 || ret >= end - pos)
3209                         return 0;
3210                 pos += ret;
3211         }
3212
3213         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3214                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3215                                   bss->caps);
3216                 if (ret < 0 || ret >= end - pos)
3217                         return 0;
3218                 pos += ret;
3219         }
3220
3221         if (mask & WPA_BSS_MASK_QUAL) {
3222                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3223                 if (ret < 0 || ret >= end - pos)
3224                         return 0;
3225                 pos += ret;
3226         }
3227
3228         if (mask & WPA_BSS_MASK_NOISE) {
3229                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3230                 if (ret < 0 || ret >= end - pos)
3231                         return 0;
3232                 pos += ret;
3233         }
3234
3235         if (mask & WPA_BSS_MASK_LEVEL) {
3236                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3237                 if (ret < 0 || ret >= end - pos)
3238                         return 0;
3239                 pos += ret;
3240         }
3241
3242         if (mask & WPA_BSS_MASK_TSF) {
3243                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3244                                   (unsigned long long) bss->tsf);
3245                 if (ret < 0 || ret >= end - pos)
3246                         return 0;
3247                 pos += ret;
3248         }
3249
3250         if (mask & WPA_BSS_MASK_AGE) {
3251                 struct os_reltime now;
3252
3253                 os_get_reltime(&now);
3254                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3255                                   (int) (now.sec - bss->last_update.sec));
3256                 if (ret < 0 || ret >= end - pos)
3257                         return 0;
3258                 pos += ret;
3259         }
3260
3261         if (mask & WPA_BSS_MASK_IE) {
3262                 ret = os_snprintf(pos, end - pos, "ie=");
3263                 if (ret < 0 || ret >= end - pos)
3264                         return 0;
3265                 pos += ret;
3266
3267                 ie = (const u8 *) (bss + 1);
3268                 for (i = 0; i < bss->ie_len; i++) {
3269                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3270                         if (ret < 0 || ret >= end - pos)
3271                                 return 0;
3272                         pos += ret;
3273                 }
3274
3275                 ret = os_snprintf(pos, end - pos, "\n");
3276                 if (ret < 0 || ret >= end - pos)
3277                         return 0;
3278                 pos += ret;
3279         }
3280
3281         if (mask & WPA_BSS_MASK_FLAGS) {
3282                 ret = os_snprintf(pos, end - pos, "flags=");
3283                 if (ret < 0 || ret >= end - pos)
3284                         return 0;
3285                 pos += ret;
3286
3287                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3288                 if (ie)
3289                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3290                                                     2 + ie[1]);
3291                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3292                 if (ie2)
3293                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3294                                                     2 + ie2[1]);
3295                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3296                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3297                         ret = os_snprintf(pos, end - pos, "[WEP]");
3298                         if (ret < 0 || ret >= end - pos)
3299                                 return 0;
3300                         pos += ret;
3301                 }
3302                 if (bss->caps & IEEE80211_CAP_IBSS) {
3303                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3304                         if (ret < 0 || ret >= end - pos)
3305                                 return 0;
3306                         pos += ret;
3307                 }
3308                 if (bss->caps & IEEE80211_CAP_ESS) {
3309                         ret = os_snprintf(pos, end - pos, "[ESS]");
3310                         if (ret < 0 || ret >= end - pos)
3311                                 return 0;
3312                         pos += ret;
3313                 }
3314                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE) ||
3315                     wpa_bss_get_vendor_ie_beacon(bss, P2P_IE_VENDOR_TYPE)) {
3316                         ret = os_snprintf(pos, end - pos, "[P2P]");
3317                         if (ret < 0 || ret >= end - pos)
3318                                 return 0;
3319                         pos += ret;
3320                 }
3321 #ifdef CONFIG_HS20
3322                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3323                         ret = os_snprintf(pos, end - pos, "[HS20]");
3324                         if (ret < 0 || ret >= end - pos)
3325                                 return 0;
3326                         pos += ret;
3327                 }
3328 #endif /* CONFIG_HS20 */
3329
3330                 ret = os_snprintf(pos, end - pos, "\n");
3331                 if (ret < 0 || ret >= end - pos)
3332                         return 0;
3333                 pos += ret;
3334         }
3335
3336         if (mask & WPA_BSS_MASK_SSID) {
3337                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3338                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3339                 if (ret < 0 || ret >= end - pos)
3340                         return 0;
3341                 pos += ret;
3342         }
3343
3344 #ifdef CONFIG_WPS
3345         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3346                 ie = (const u8 *) (bss + 1);
3347                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3348                 if (ret < 0 || ret >= end - pos)
3349                         return 0;
3350                 pos += ret;
3351         }
3352 #endif /* CONFIG_WPS */
3353
3354 #ifdef CONFIG_P2P
3355         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3356                 ie = (const u8 *) (bss + 1);
3357                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3358                 if (ret < 0 || ret >= end - pos)
3359                         return 0;
3360                 pos += ret;
3361         }
3362 #endif /* CONFIG_P2P */
3363
3364 #ifdef CONFIG_WIFI_DISPLAY
3365         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3366                 struct wpabuf *wfd;
3367                 ie = (const u8 *) (bss + 1);
3368                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3369                                                   WFD_IE_VENDOR_TYPE);
3370                 if (wfd) {
3371                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3372                         if (ret < 0 || ret >= end - pos)
3373                                 return 0;
3374                         pos += ret;
3375
3376                         pos += wpa_snprintf_hex(pos, end - pos,
3377                                                 wpabuf_head(wfd),
3378                                                 wpabuf_len(wfd));
3379                         wpabuf_free(wfd);
3380
3381                         ret = os_snprintf(pos, end - pos, "\n");
3382                         if (ret < 0 || ret >= end - pos)
3383                                 return 0;
3384                         pos += ret;
3385                 }
3386         }
3387 #endif /* CONFIG_WIFI_DISPLAY */
3388
3389 #ifdef CONFIG_INTERWORKING
3390         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3391                 struct wpa_bss_anqp *anqp = bss->anqp;
3392                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3393                                    anqp->venue_name);
3394                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3395                                    anqp->network_auth_type);
3396                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3397                                    anqp->roaming_consortium);
3398                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3399                                    anqp->ip_addr_type_availability);
3400                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3401                                    anqp->nai_realm);
3402                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3403                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3404                                    anqp->domain_name);
3405 #ifdef CONFIG_HS20
3406                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3407                                    anqp->hs20_operator_friendly_name);
3408                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3409                                    anqp->hs20_wan_metrics);
3410                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3411                                    anqp->hs20_connection_capability);
3412 #endif /* CONFIG_HS20 */
3413         }
3414 #endif /* CONFIG_INTERWORKING */
3415
3416         if (mask & WPA_BSS_MASK_DELIM) {
3417                 ret = os_snprintf(pos, end - pos, "====\n");
3418                 if (ret < 0 || ret >= end - pos)
3419                         return 0;
3420                 pos += ret;
3421         }
3422
3423         return pos - buf;
3424 }
3425
3426
3427 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3428                                          const char *cmd, char *buf,
3429                                          size_t buflen)
3430 {
3431         u8 bssid[ETH_ALEN];
3432         size_t i;
3433         struct wpa_bss *bss;
3434         struct wpa_bss *bsslast = NULL;
3435         struct dl_list *next;
3436         int ret = 0;
3437         int len;
3438         char *ctmp;
3439         unsigned long mask = WPA_BSS_MASK_ALL;
3440
3441         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3442                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3443                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3444                                             list_id);
3445                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3446                                                list_id);
3447                 } else { /* N1-N2 */
3448                         unsigned int id1, id2;
3449
3450                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3451                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3452                                            "format");
3453                                 return 0;
3454                         }
3455
3456                         if (*(cmd + 6) == '-')
3457                                 id1 = 0;
3458                         else
3459                                 id1 = atoi(cmd + 6);
3460                         ctmp++;
3461                         if (*ctmp >= '0' && *ctmp <= '9')
3462                                 id2 = atoi(ctmp);
3463                         else
3464                                 id2 = (unsigned int) -1;
3465                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3466                         if (id2 == (unsigned int) -1)
3467                                 bsslast = dl_list_last(&wpa_s->bss_id,
3468                                                        struct wpa_bss,
3469                                                        list_id);
3470                         else {
3471                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3472                                 if (bsslast == NULL && bss && id2 > id1) {
3473                                         struct wpa_bss *tmp = bss;
3474                                         for (;;) {
3475                                                 next = tmp->list_id.next;
3476                                                 if (next == &wpa_s->bss_id)
3477                                                         break;
3478                                                 tmp = dl_list_entry(
3479                                                         next, struct wpa_bss,
3480                                                         list_id);
3481                                                 if (tmp->id > id2)
3482                                                         break;
3483                                                 bsslast = tmp;
3484                                         }
3485                                 }
3486                         }
3487                 }
3488         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3489                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3490         else if (os_strncmp(cmd, "LAST", 4) == 0)
3491                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3492         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3493                 i = atoi(cmd + 3);
3494                 bss = wpa_bss_get_id(wpa_s, i);
3495         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3496                 i = atoi(cmd + 5);
3497                 bss = wpa_bss_get_id(wpa_s, i);
3498                 if (bss) {
3499                         next = bss->list_id.next;
3500                         if (next == &wpa_s->bss_id)
3501                                 bss = NULL;
3502                         else
3503                                 bss = dl_list_entry(next, struct wpa_bss,
3504                                                     list_id);
3505                 }
3506 #ifdef CONFIG_P2P
3507         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3508                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3509                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3510                 else
3511                         bss = NULL;
3512 #endif /* CONFIG_P2P */
3513         } else if (hwaddr_aton(cmd, bssid) == 0)
3514                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3515         else {
3516                 struct wpa_bss *tmp;
3517                 i = atoi(cmd);
3518                 bss = NULL;
3519                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3520                 {
3521                         if (i-- == 0) {
3522                                 bss = tmp;
3523                                 break;
3524                         }
3525                 }
3526         }
3527
3528         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3529                 mask = strtoul(ctmp + 5, NULL, 0x10);
3530                 if (mask == 0)
3531                         mask = WPA_BSS_MASK_ALL;
3532         }
3533
3534         if (bss == NULL)
3535                 return 0;
3536
3537         if (bsslast == NULL)
3538                 bsslast = bss;
3539         do {
3540                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3541                 ret += len;
3542                 buf += len;
3543                 buflen -= len;
3544                 if (bss == bsslast) {
3545                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3546                             (bss == dl_list_last(&wpa_s->bss_id,
3547                                                  struct wpa_bss, list_id)))
3548                                 os_snprintf(buf - 5, 5, "####\n");
3549                         break;
3550                 }
3551                 next = bss->list_id.next;
3552                 if (next == &wpa_s->bss_id)
3553                         break;
3554                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3555         } while (bss && len);
3556
3557         return ret;
3558 }
3559
3560
3561 static int wpa_supplicant_ctrl_iface_ap_scan(
3562         struct wpa_supplicant *wpa_s, char *cmd)
3563 {
3564         int ap_scan = atoi(cmd);
3565         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3566 }
3567
3568
3569 static int wpa_supplicant_ctrl_iface_scan_interval(
3570         struct wpa_supplicant *wpa_s, char *cmd)
3571 {
3572         int scan_int = atoi(cmd);
3573         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3574 }
3575
3576
3577 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3578         struct wpa_supplicant *wpa_s, char *cmd)
3579 {
3580         int expire_age = atoi(cmd);
3581         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3582 }
3583
3584
3585 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3586         struct wpa_supplicant *wpa_s, char *cmd)
3587 {
3588         int expire_count = atoi(cmd);
3589         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3590 }
3591
3592
3593 static int wpa_supplicant_ctrl_iface_bss_flush(
3594         struct wpa_supplicant *wpa_s, char *cmd)
3595 {
3596         int flush_age = atoi(cmd);
3597
3598         if (flush_age == 0)
3599                 wpa_bss_flush(wpa_s);
3600         else
3601                 wpa_bss_flush_by_age(wpa_s, flush_age);
3602         return 0;
3603 }
3604
3605
3606 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3607 {
3608         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3609         /* MLME-DELETEKEYS.request */
3610         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3611         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3612         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3613         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3614 #ifdef CONFIG_IEEE80211W
3615         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3616         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3617 #endif /* CONFIG_IEEE80211W */
3618
3619         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3620                         0);
3621         /* MLME-SETPROTECTION.request(None) */
3622         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3623                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3624                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3625         wpa_sm_drop_sa(wpa_s->wpa);
3626 }
3627
3628
3629 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3630                                           char *addr)
3631 {
3632 #ifdef CONFIG_NO_SCAN_PROCESSING
3633         return -1;
3634 #else /* CONFIG_NO_SCAN_PROCESSING */
3635         u8 bssid[ETH_ALEN];
3636         struct wpa_bss *bss;
3637         struct wpa_ssid *ssid = wpa_s->current_ssid;
3638
3639         if (hwaddr_aton(addr, bssid)) {
3640                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3641                            "address '%s'", addr);
3642                 return -1;
3643         }
3644
3645         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3646
3647         if (!ssid) {
3648                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3649                            "configuration known for the target AP");
3650                 return -1;
3651         }
3652
3653         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3654         if (!bss) {
3655                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3656                            "from BSS table");
3657                 return -1;
3658         }
3659
3660         /*
3661          * TODO: Find best network configuration block from configuration to
3662          * allow roaming to other networks
3663          */
3664
3665         wpa_s->reassociate = 1;
3666         wpa_supplicant_connect(wpa_s, bss, ssid);
3667
3668         return 0;
3669 #endif /* CONFIG_NO_SCAN_PROCESSING */
3670 }
3671
3672
3673 #ifdef CONFIG_P2P
3674 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3675 {
3676         unsigned int timeout = atoi(cmd);
3677         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3678         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3679         char *pos;
3680         unsigned int search_delay;
3681
3682         if (os_strstr(cmd, "type=social"))
3683                 type = P2P_FIND_ONLY_SOCIAL;
3684         else if (os_strstr(cmd, "type=progressive"))
3685                 type = P2P_FIND_PROGRESSIVE;
3686
3687         pos = os_strstr(cmd, "dev_id=");
3688         if (pos) {
3689                 pos += 7;
3690                 if (hwaddr_aton(pos, dev_id))
3691                         return -1;
3692                 _dev_id = dev_id;
3693         }
3694
3695         pos = os_strstr(cmd, "delay=");
3696         if (pos) {
3697                 pos += 6;
3698                 search_delay = atoi(pos);
3699         } else
3700                 search_delay = wpas_p2p_search_delay(wpa_s);
3701
3702         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3703                              search_delay);
3704 }
3705
3706
3707 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3708                             char *buf, size_t buflen)
3709 {
3710         u8 addr[ETH_ALEN];
3711         char *pos, *pos2;
3712         char *pin = NULL;
3713         enum p2p_wps_method wps_method;
3714         int new_pin;
3715         int ret;
3716         int persistent_group, persistent_id = -1;
3717         int join;
3718         int auth;
3719         int automatic;
3720         int go_intent = -1;
3721         int freq = 0;
3722         int pd;
3723         int ht40, vht;
3724
3725         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3726          * [persistent|persistent=<network id>]
3727          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3728          * [ht40] [vht] */
3729
3730         if (hwaddr_aton(cmd, addr))
3731                 return -1;
3732
3733         pos = cmd + 17;
3734         if (*pos != ' ')
3735                 return -1;
3736         pos++;
3737
3738         persistent_group = os_strstr(pos, " persistent") != NULL;
3739         pos2 = os_strstr(pos, " persistent=");
3740         if (pos2) {
3741                 struct wpa_ssid *ssid;
3742                 persistent_id = atoi(pos2 + 12);
3743                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3744                 if (ssid == NULL || ssid->disabled != 2 ||
3745                     ssid->mode != WPAS_MODE_P2P_GO) {
3746                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3747                                    "SSID id=%d for persistent P2P group (GO)",
3748                                    persistent_id);
3749                         return -1;
3750                 }
3751         }
3752         join = os_strstr(pos, " join") != NULL;
3753         auth = os_strstr(pos, " auth") != NULL;
3754         automatic = os_strstr(pos, " auto") != NULL;
3755         pd = os_strstr(pos, " provdisc") != NULL;
3756         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
3757         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
3758                 vht;
3759
3760         pos2 = os_strstr(pos, " go_intent=");
3761         if (pos2) {
3762                 pos2 += 11;
3763                 go_intent = atoi(pos2);
3764                 if (go_intent < 0 || go_intent > 15)
3765                         return -1;
3766         }
3767
3768         pos2 = os_strstr(pos, " freq=");
3769         if (pos2) {
3770                 pos2 += 6;
3771                 freq = atoi(pos2);
3772                 if (freq <= 0)
3773                         return -1;
3774         }
3775
3776         if (os_strncmp(pos, "pin", 3) == 0) {
3777                 /* Request random PIN (to be displayed) and enable the PIN */
3778                 wps_method = WPS_PIN_DISPLAY;
3779         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3780                 wps_method = WPS_PBC;
3781         } else {
3782                 pin = pos;
3783                 pos = os_strchr(pin, ' ');
3784                 wps_method = WPS_PIN_KEYPAD;
3785                 if (pos) {
3786                         *pos++ = '\0';
3787                         if (os_strncmp(pos, "display", 7) == 0)
3788                                 wps_method = WPS_PIN_DISPLAY;
3789                 }
3790                 if (!wps_pin_str_valid(pin)) {
3791                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3792                         return 17;
3793                 }
3794         }
3795
3796         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3797                                    persistent_group, automatic, join,
3798                                    auth, go_intent, freq, persistent_id, pd,
3799                                    ht40, vht);
3800         if (new_pin == -2) {
3801                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3802                 return 25;
3803         }
3804         if (new_pin == -3) {
3805                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3806                 return 25;
3807         }
3808         if (new_pin < 0)
3809                 return -1;
3810         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3811                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3812                 if (ret < 0 || (size_t) ret >= buflen)
3813                         return -1;
3814                 return ret;
3815         }
3816
3817         os_memcpy(buf, "OK\n", 3);
3818         return 3;
3819 }
3820
3821
3822 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3823 {
3824         unsigned int timeout = atoi(cmd);
3825         return wpas_p2p_listen(wpa_s, timeout);
3826 }
3827
3828
3829 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3830 {
3831         u8 addr[ETH_ALEN];
3832         char *pos;
3833         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3834
3835         /* <addr> <config method> [join|auto] */
3836
3837         if (hwaddr_aton(cmd, addr))
3838                 return -1;
3839
3840         pos = cmd + 17;
3841         if (*pos != ' ')
3842                 return -1;
3843         pos++;
3844
3845         if (os_strstr(pos, " join") != NULL)
3846                 use = WPAS_P2P_PD_FOR_JOIN;
3847         else if (os_strstr(pos, " auto") != NULL)
3848                 use = WPAS_P2P_PD_AUTO;
3849
3850         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3851 }
3852
3853
3854 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3855                               size_t buflen)
3856 {
3857         struct wpa_ssid *ssid = wpa_s->current_ssid;
3858
3859         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3860             ssid->passphrase == NULL)
3861                 return -1;
3862
3863         os_strlcpy(buf, ssid->passphrase, buflen);
3864         return os_strlen(buf);
3865 }
3866
3867
3868 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3869                                   char *buf, size_t buflen)
3870 {
3871         u64 ref;
3872         int res;
3873         u8 dst_buf[ETH_ALEN], *dst;
3874         struct wpabuf *tlvs;
3875         char *pos;
3876         size_t len;
3877
3878         if (hwaddr_aton(cmd, dst_buf))
3879                 return -1;
3880         dst = dst_buf;
3881         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3882             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3883                 dst = NULL;
3884         pos = cmd + 17;
3885         if (*pos != ' ')
3886                 return -1;
3887         pos++;
3888
3889         if (os_strncmp(pos, "upnp ", 5) == 0) {
3890                 u8 version;
3891                 pos += 5;
3892                 if (hexstr2bin(pos, &version, 1) < 0)
3893                         return -1;
3894                 pos += 2;
3895                 if (*pos != ' ')
3896                         return -1;
3897                 pos++;
3898                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3899 #ifdef CONFIG_WIFI_DISPLAY
3900         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3901                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3902 #endif /* CONFIG_WIFI_DISPLAY */
3903         } else {
3904                 len = os_strlen(pos);
3905                 if (len & 1)
3906                         return -1;
3907                 len /= 2;
3908                 tlvs = wpabuf_alloc(len);
3909                 if (tlvs == NULL)
3910                         return -1;
3911                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3912                         wpabuf_free(tlvs);
3913                         return -1;
3914                 }
3915
3916                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3917                 wpabuf_free(tlvs);
3918         }
3919         if (ref == 0)
3920                 return -1;
3921         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3922         if (res < 0 || (unsigned) res >= buflen)
3923                 return -1;
3924         return res;
3925 }
3926
3927
3928 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3929                                          char *cmd)
3930 {
3931         long long unsigned val;
3932         u64 req;
3933         if (sscanf(cmd, "%llx", &val) != 1)
3934                 return -1;
3935         req = val;
3936         return wpas_p2p_sd_cancel_request(wpa_s, req);
3937 }
3938
3939
3940 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3941 {
3942         int freq;
3943         u8 dst[ETH_ALEN];
3944         u8 dialog_token;
3945         struct wpabuf *resp_tlvs;
3946         char *pos, *pos2;
3947         size_t len;
3948
3949         pos = os_strchr(cmd, ' ');
3950         if (pos == NULL)
3951                 return -1;
3952         *pos++ = '\0';
3953         freq = atoi(cmd);
3954         if (freq == 0)
3955                 return -1;
3956
3957         if (hwaddr_aton(pos, dst))
3958                 return -1;
3959         pos += 17;
3960         if (*pos != ' ')
3961                 return -1;
3962         pos++;
3963
3964         pos2 = os_strchr(pos, ' ');
3965         if (pos2 == NULL)
3966                 return -1;
3967         *pos2++ = '\0';
3968         dialog_token = atoi(pos);
3969
3970         len = os_strlen(pos2);
3971         if (len & 1)
3972                 return -1;
3973         len /= 2;
3974         resp_tlvs = wpabuf_alloc(len);
3975         if (resp_tlvs == NULL)
3976                 return -1;
3977         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3978                 wpabuf_free(resp_tlvs);
3979                 return -1;
3980         }
3981
3982         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3983         wpabuf_free(resp_tlvs);
3984         return 0;
3985 }
3986
3987
3988 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3989                                        char *cmd)
3990 {
3991         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3992                 return -1;
3993         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3994         return 0;
3995 }
3996
3997
3998 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3999                                         char *cmd)
4000 {
4001         char *pos;
4002         size_t len;
4003         struct wpabuf *query, *resp;
4004
4005         pos = os_strchr(cmd, ' ');
4006         if (pos == NULL)
4007                 return -1;
4008         *pos++ = '\0';
4009
4010         len = os_strlen(cmd);
4011         if (len & 1)
4012                 return -1;
4013         len /= 2;
4014         query = wpabuf_alloc(len);
4015         if (query == NULL)
4016                 return -1;
4017         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4018                 wpabuf_free(query);
4019                 return -1;
4020         }
4021
4022         len = os_strlen(pos);
4023         if (len & 1) {
4024                 wpabuf_free(query);
4025                 return -1;
4026         }
4027         len /= 2;
4028         resp = wpabuf_alloc(len);
4029         if (resp == NULL) {
4030                 wpabuf_free(query);
4031                 return -1;
4032         }
4033         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
4034                 wpabuf_free(query);
4035                 wpabuf_free(resp);
4036                 return -1;
4037         }
4038
4039         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4040                 wpabuf_free(query);
4041                 wpabuf_free(resp);
4042                 return -1;
4043         }
4044         return 0;
4045 }
4046
4047
4048 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4049 {
4050         char *pos;
4051         u8 version;
4052
4053         pos = os_strchr(cmd, ' ');
4054         if (pos == NULL)
4055                 return -1;
4056         *pos++ = '\0';
4057
4058         if (hexstr2bin(cmd, &version, 1) < 0)
4059                 return -1;
4060
4061         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4062 }
4063
4064
4065 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4066 {
4067         char *pos;
4068
4069         pos = os_strchr(cmd, ' ');
4070         if (pos == NULL)
4071                 return -1;
4072         *pos++ = '\0';
4073
4074         if (os_strcmp(cmd, "bonjour") == 0)
4075                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4076         if (os_strcmp(cmd, "upnp") == 0)
4077                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4078         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4079         return -1;
4080 }
4081
4082
4083 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4084                                         char *cmd)
4085 {
4086         size_t len;
4087         struct wpabuf *query;
4088         int ret;
4089
4090         len = os_strlen(cmd);
4091         if (len & 1)
4092                 return -1;
4093         len /= 2;
4094         query = wpabuf_alloc(len);
4095         if (query == NULL)
4096                 return -1;
4097         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4098                 wpabuf_free(query);
4099                 return -1;
4100         }
4101
4102         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4103         wpabuf_free(query);
4104         return ret;
4105 }
4106
4107
4108 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4109 {
4110         char *pos;
4111         u8 version;
4112
4113         pos = os_strchr(cmd, ' ');
4114         if (pos == NULL)
4115                 return -1;
4116         *pos++ = '\0';
4117
4118         if (hexstr2bin(cmd, &version, 1) < 0)
4119                 return -1;
4120
4121         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4122 }
4123
4124
4125 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4126 {
4127         char *pos;
4128
4129         pos = os_strchr(cmd, ' ');
4130         if (pos == NULL)
4131                 return -1;
4132         *pos++ = '\0';
4133
4134         if (os_strcmp(cmd, "bonjour") == 0)
4135                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4136         if (os_strcmp(cmd, "upnp") == 0)
4137                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4138         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4139         return -1;
4140 }
4141
4142
4143 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4144 {
4145         u8 addr[ETH_ALEN];
4146
4147         /* <addr> */
4148
4149         if (hwaddr_aton(cmd, addr))
4150                 return -1;
4151
4152         return wpas_p2p_reject(wpa_s, addr);
4153 }
4154
4155
4156 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4157 {
4158         char *pos;
4159         int id;
4160         struct wpa_ssid *ssid;
4161         u8 *_peer = NULL, peer[ETH_ALEN];
4162         int freq = 0, pref_freq = 0;
4163         int ht40, vht;
4164
4165         id = atoi(cmd);
4166         pos = os_strstr(cmd, " peer=");
4167         if (pos) {
4168                 pos += 6;
4169                 if (hwaddr_aton(pos, peer))
4170                         return -1;
4171                 _peer = peer;
4172         }
4173         ssid = wpa_config_get_network(wpa_s->conf, id);
4174         if (ssid == NULL || ssid->disabled != 2) {
4175                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4176                            "for persistent P2P group",
4177                            id);
4178                 return -1;
4179         }
4180
4181         pos = os_strstr(cmd, " freq=");
4182         if (pos) {
4183                 pos += 6;
4184                 freq = atoi(pos);
4185                 if (freq <= 0)
4186                         return -1;
4187         }
4188
4189         pos = os_strstr(cmd, " pref=");
4190         if (pos) {
4191                 pos += 6;
4192                 pref_freq = atoi(pos);
4193                 if (pref_freq <= 0)
4194                         return -1;
4195         }
4196
4197         vht = (os_strstr(cmd, " vht") != NULL) || wpa_s->conf->p2p_go_vht;
4198         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4199                 vht;
4200
4201         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, vht,
4202                                pref_freq);
4203 }
4204
4205
4206 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4207 {
4208         char *pos;
4209         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4210
4211         pos = os_strstr(cmd, " peer=");
4212         if (!pos)
4213                 return -1;
4214
4215         *pos = '\0';
4216         pos += 6;
4217         if (hwaddr_aton(pos, peer)) {
4218                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4219                 return -1;
4220         }
4221
4222         pos = os_strstr(pos, " go_dev_addr=");
4223         if (pos) {
4224                 pos += 13;
4225                 if (hwaddr_aton(pos, go_dev_addr)) {
4226                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4227                                    pos);
4228                         return -1;
4229                 }
4230                 go_dev = go_dev_addr;
4231         }
4232
4233         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4234 }
4235
4236
4237 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4238 {
4239         if (os_strncmp(cmd, "persistent=", 11) == 0)
4240                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4241         if (os_strncmp(cmd, "group=", 6) == 0)
4242                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4243
4244         return -1;
4245 }
4246
4247
4248 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4249                                          char *cmd, int freq, int ht40,
4250                                          int vht)
4251 {
4252         int id;
4253         struct wpa_ssid *ssid;
4254
4255         id = atoi(cmd);
4256         ssid = wpa_config_get_network(wpa_s->conf, id);
4257         if (ssid == NULL || ssid->disabled != 2) {
4258                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4259                            "for persistent P2P group",
4260                            id);
4261                 return -1;
4262         }
4263
4264         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, vht,
4265                                              NULL, 0);
4266 }
4267
4268
4269 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4270 {
4271         int freq = 0, ht40, vht;
4272         char *pos;
4273
4274         pos = os_strstr(cmd, "freq=");
4275         if (pos)
4276                 freq = atoi(pos + 5);
4277
4278         vht = (os_strstr(cmd, "vht") != NULL) || wpa_s->conf->p2p_go_vht;
4279         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40 ||
4280                 vht;
4281
4282         if (os_strncmp(cmd, "persistent=", 11) == 0)
4283                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4284                                                      ht40, vht);
4285         if (os_strcmp(cmd, "persistent") == 0 ||
4286             os_strncmp(cmd, "persistent ", 11) == 0)
4287                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40, vht);
4288         if (os_strncmp(cmd, "freq=", 5) == 0)
4289                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4290         if (ht40)
4291                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40, vht);
4292
4293         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4294                    cmd);
4295         return -1;
4296 }
4297
4298
4299 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4300                          char *buf, size_t buflen)
4301 {
4302         u8 addr[ETH_ALEN], *addr_ptr;
4303         int next, res;
4304         const struct p2p_peer_info *info;
4305         char *pos, *end;
4306         char devtype[WPS_DEV_TYPE_BUFSIZE];
4307         struct wpa_ssid *ssid;
4308         size_t i;
4309
4310         if (!wpa_s->global->p2p)
4311                 return -1;
4312
4313         if (os_strcmp(cmd, "FIRST") == 0) {
4314                 addr_ptr = NULL;
4315                 next = 0;
4316         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4317                 if (hwaddr_aton(cmd + 5, addr) < 0)
4318                         return -1;
4319                 addr_ptr = addr;
4320                 next = 1;
4321         } else {
4322                 if (hwaddr_aton(cmd, addr) < 0)
4323                         return -1;
4324                 addr_ptr = addr;
4325                 next = 0;
4326         }
4327
4328         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4329         if (info == NULL)
4330                 return -1;
4331
4332         pos = buf;
4333         end = buf + buflen;
4334
4335         res = os_snprintf(pos, end - pos, MACSTR "\n"
4336                           "pri_dev_type=%s\n"
4337                           "device_name=%s\n"
4338                           "manufacturer=%s\n"
4339                           "model_name=%s\n"
4340                           "model_number=%s\n"
4341                           "serial_number=%s\n"
4342                           "config_methods=0x%x\n"
4343                           "dev_capab=0x%x\n"
4344                           "group_capab=0x%x\n"
4345                           "level=%d\n",
4346                           MAC2STR(info->p2p_device_addr),
4347                           wps_dev_type_bin2str(info->pri_dev_type,
4348                                                devtype, sizeof(devtype)),
4349                           info->device_name,
4350                           info->manufacturer,
4351                           info->model_name,
4352                           info->model_number,
4353                           info->serial_number,
4354                           info->config_methods,
4355                           info->dev_capab,
4356                           info->group_capab,
4357                           info->level);
4358         if (res < 0 || res >= end - pos)
4359                 return pos - buf;
4360         pos += res;
4361
4362         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4363         {
4364                 const u8 *t;
4365                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4366                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4367                                   wps_dev_type_bin2str(t, devtype,
4368                                                        sizeof(devtype)));
4369                 if (res < 0 || res >= end - pos)
4370                         return pos - buf;
4371                 pos += res;
4372         }
4373
4374         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4375         if (ssid) {
4376                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4377                 if (res < 0 || res >= end - pos)
4378                         return pos - buf;
4379                 pos += res;
4380         }
4381
4382         res = p2p_get_peer_info_txt(info, pos, end - pos);
4383         if (res < 0)
4384                 return pos - buf;
4385         pos += res;
4386
4387         return pos - buf;
4388 }
4389
4390
4391 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4392                                   const char *param)
4393 {
4394         unsigned int i;
4395
4396         if (wpa_s->global->p2p == NULL)
4397                 return -1;
4398
4399         if (freq_range_list_parse(&wpa_s->global->p2p_disallow_freq, param) < 0)
4400                 return -1;
4401
4402         for (i = 0; i < wpa_s->global->p2p_disallow_freq.num; i++) {
4403                 struct wpa_freq_range *freq;
4404                 freq = &wpa_s->global->p2p_disallow_freq.range[i];
4405                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4406                            freq->min, freq->max);
4407         }
4408
4409         wpas_p2p_update_channel_list(wpa_s);
4410         return 0;
4411 }
4412
4413
4414 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4415 {
4416         char *param;
4417
4418         if (wpa_s->global->p2p == NULL)
4419                 return -1;
4420
4421         param = os_strchr(cmd, ' ');
4422         if (param == NULL)
4423                 return -1;
4424         *param++ = '\0';
4425
4426         if (os_strcmp(cmd, "discoverability") == 0) {
4427                 p2p_set_client_discoverability(wpa_s->global->p2p,
4428                                                atoi(param));
4429                 return 0;
4430         }
4431
4432         if (os_strcmp(cmd, "managed") == 0) {
4433                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4434                 return 0;
4435         }
4436
4437         if (os_strcmp(cmd, "listen_channel") == 0) {
4438                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4439                                               atoi(param));
4440         }
4441
4442         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4443                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4444                                             os_strlen(param));
4445         }
4446
4447         if (os_strcmp(cmd, "noa") == 0) {
4448                 char *pos;
4449                 int count, start, duration;
4450                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4451                 count = atoi(param);
4452                 pos = os_strchr(param, ',');
4453                 if (pos == NULL)
4454                         return -1;
4455                 pos++;
4456                 start = atoi(pos);
4457                 pos = os_strchr(pos, ',');
4458                 if (pos == NULL)
4459                         return -1;
4460                 pos++;
4461                 duration = atoi(pos);
4462                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4463                         return -1;
4464                 if (count == 0 && duration > 0)
4465                         return -1;
4466                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4467                            "start=%d duration=%d", count, start, duration);
4468                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4469         }
4470
4471         if (os_strcmp(cmd, "ps") == 0)
4472                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4473
4474         if (os_strcmp(cmd, "oppps") == 0)
4475                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4476
4477         if (os_strcmp(cmd, "ctwindow") == 0)
4478                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4479
4480         if (os_strcmp(cmd, "disabled") == 0) {
4481                 wpa_s->global->p2p_disabled = atoi(param);
4482                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4483                            wpa_s->global->p2p_disabled ?
4484                            "disabled" : "enabled");
4485                 if (wpa_s->global->p2p_disabled) {
4486                         wpas_p2p_stop_find(wpa_s);
4487                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4488                         p2p_flush(wpa_s->global->p2p);
4489                 }
4490                 return 0;
4491         }
4492
4493         if (os_strcmp(cmd, "conc_pref") == 0) {
4494                 if (os_strcmp(param, "sta") == 0)
4495                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4496                 else if (os_strcmp(param, "p2p") == 0)
4497                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4498                 else {
4499                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4500                         return -1;
4501                 }
4502                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4503                            "%s", param);
4504                 return 0;
4505         }
4506
4507         if (os_strcmp(cmd, "force_long_sd") == 0) {
4508                 wpa_s->force_long_sd = atoi(param);
4509                 return 0;
4510         }
4511
4512         if (os_strcmp(cmd, "peer_filter") == 0) {
4513                 u8 addr[ETH_ALEN];
4514                 if (hwaddr_aton(param, addr))
4515                         return -1;
4516                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4517                 return 0;
4518         }
4519
4520         if (os_strcmp(cmd, "cross_connect") == 0)
4521                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4522
4523         if (os_strcmp(cmd, "go_apsd") == 0) {
4524                 if (os_strcmp(param, "disable") == 0)
4525                         wpa_s->set_ap_uapsd = 0;
4526                 else {
4527                         wpa_s->set_ap_uapsd = 1;
4528                         wpa_s->ap_uapsd = atoi(param);
4529                 }
4530                 return 0;
4531         }
4532
4533         if (os_strcmp(cmd, "client_apsd") == 0) {
4534                 if (os_strcmp(param, "disable") == 0)
4535                         wpa_s->set_sta_uapsd = 0;
4536                 else {
4537                         int be, bk, vi, vo;
4538                         char *pos;
4539                         /* format: BE,BK,VI,VO;max SP Length */
4540                         be = atoi(param);
4541                         pos = os_strchr(param, ',');
4542                         if (pos == NULL)
4543                                 return -1;
4544                         pos++;
4545                         bk = atoi(pos);
4546                         pos = os_strchr(pos, ',');
4547                         if (pos == NULL)
4548                                 return -1;
4549                         pos++;
4550                         vi = atoi(pos);
4551                         pos = os_strchr(pos, ',');
4552                         if (pos == NULL)
4553                                 return -1;
4554                         pos++;
4555                         vo = atoi(pos);
4556                         /* ignore max SP Length for now */
4557
4558                         wpa_s->set_sta_uapsd = 1;
4559                         wpa_s->sta_uapsd = 0;
4560                         if (be)
4561                                 wpa_s->sta_uapsd |= BIT(0);
4562                         if (bk)
4563                                 wpa_s->sta_uapsd |= BIT(1);
4564                         if (vi)
4565                                 wpa_s->sta_uapsd |= BIT(2);
4566                         if (vo)
4567                                 wpa_s->sta_uapsd |= BIT(3);
4568                 }
4569                 return 0;
4570         }
4571
4572         if (os_strcmp(cmd, "disallow_freq") == 0)
4573                 return p2p_ctrl_disallow_freq(wpa_s, param);
4574
4575         if (os_strcmp(cmd, "disc_int") == 0) {
4576                 int min_disc_int, max_disc_int, max_disc_tu;
4577                 char *pos;
4578
4579                 pos = param;
4580
4581                 min_disc_int = atoi(pos);
4582                 pos = os_strchr(pos, ' ');
4583                 if (pos == NULL)
4584                         return -1;
4585                 *pos++ = '\0';
4586
4587                 max_disc_int = atoi(pos);
4588                 pos = os_strchr(pos, ' ');
4589                 if (pos == NULL)
4590                         return -1;
4591                 *pos++ = '\0';
4592
4593                 max_disc_tu = atoi(pos);
4594
4595                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4596                                         max_disc_int, max_disc_tu);
4597         }
4598
4599         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4600                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4601                 return 0;
4602         }
4603
4604         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4605                    cmd);
4606
4607         return -1;
4608 }
4609
4610
4611 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4612 {
4613         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4614         wpa_s->force_long_sd = 0;
4615         if (wpa_s->global->p2p)
4616                 p2p_flush(wpa_s->global->p2p);
4617 }
4618
4619
4620 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4621 {
4622         char *pos, *pos2;
4623         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4624
4625         if (cmd[0]) {
4626                 pos = os_strchr(cmd, ' ');
4627                 if (pos == NULL)
4628                         return -1;
4629                 *pos++ = '\0';
4630                 dur1 = atoi(cmd);
4631
4632                 pos2 = os_strchr(pos, ' ');
4633                 if (pos2)
4634                         *pos2++ = '\0';
4635                 int1 = atoi(pos);
4636         } else
4637                 pos2 = NULL;
4638
4639         if (pos2) {
4640                 pos = os_strchr(pos2, ' ');
4641                 if (pos == NULL)
4642                         return -1;
4643                 *pos++ = '\0';
4644                 dur2 = atoi(pos2);
4645                 int2 = atoi(pos);
4646         }
4647
4648         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4649 }
4650
4651
4652 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4653 {
4654         char *pos;
4655         unsigned int period = 0, interval = 0;
4656
4657         if (cmd[0]) {
4658                 pos = os_strchr(cmd, ' ');
4659                 if (pos == NULL)
4660                         return -1;
4661                 *pos++ = '\0';
4662                 period = atoi(cmd);
4663                 interval = atoi(pos);
4664         }
4665
4666         return wpas_p2p_ext_listen(wpa_s, period, interval);
4667 }
4668
4669
4670 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
4671 {
4672         const char *pos;
4673         u8 peer[ETH_ALEN];
4674         int iface_addr = 0;
4675
4676         pos = cmd;
4677         if (os_strncmp(pos, "iface=", 6) == 0) {
4678                 iface_addr = 1;
4679                 pos += 6;
4680         }
4681         if (hwaddr_aton(pos, peer))
4682                 return -1;
4683
4684         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
4685         return 0;
4686 }
4687
4688 #endif /* CONFIG_P2P */
4689
4690
4691 #ifdef CONFIG_INTERWORKING
4692 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4693 {
4694         u8 bssid[ETH_ALEN];
4695         struct wpa_bss *bss;
4696
4697         if (hwaddr_aton(dst, bssid)) {
4698                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4699                 return -1;
4700         }
4701
4702         bss = wpa_bss_get_bssid(wpa_s, bssid);
4703         if (bss == NULL) {
4704                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4705                            MAC2STR(bssid));
4706                 return -1;
4707         }
4708
4709         return interworking_connect(wpa_s, bss);
4710 }
4711
4712
4713 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4714 {
4715         u8 dst_addr[ETH_ALEN];
4716         int used;
4717         char *pos;
4718 #define MAX_ANQP_INFO_ID 100
4719         u16 id[MAX_ANQP_INFO_ID];
4720         size_t num_id = 0;
4721
4722         used = hwaddr_aton2(dst, dst_addr);
4723         if (used < 0)
4724                 return -1;
4725         pos = dst + used;
4726         while (num_id < MAX_ANQP_INFO_ID) {
4727                 id[num_id] = atoi(pos);
4728                 if (id[num_id])
4729                         num_id++;
4730                 pos = os_strchr(pos + 1, ',');
4731                 if (pos == NULL)
4732                         break;
4733                 pos++;
4734         }
4735
4736         if (num_id == 0)
4737                 return -1;
4738
4739         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4740 }
4741
4742
4743 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4744 {
4745         u8 dst_addr[ETH_ALEN];
4746         struct wpabuf *advproto, *query = NULL;
4747         int used, ret = -1;
4748         char *pos, *end;
4749         size_t len;
4750
4751         used = hwaddr_aton2(cmd, dst_addr);
4752         if (used < 0)
4753                 return -1;
4754
4755         pos = cmd + used;
4756         while (*pos == ' ')
4757                 pos++;
4758
4759         /* Advertisement Protocol ID */
4760         end = os_strchr(pos, ' ');
4761         if (end)
4762                 len = end - pos;
4763         else
4764                 len = os_strlen(pos);
4765         if (len & 0x01)
4766                 return -1;
4767         len /= 2;
4768         if (len == 0)
4769                 return -1;
4770         advproto = wpabuf_alloc(len);
4771         if (advproto == NULL)
4772                 return -1;
4773         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4774                 goto fail;
4775
4776         if (end) {
4777                 /* Optional Query Request */
4778                 pos = end + 1;
4779                 while (*pos == ' ')
4780                         pos++;
4781
4782                 len = os_strlen(pos);
4783                 if (len) {
4784                         if (len & 0x01)
4785                                 goto fail;
4786                         len /= 2;
4787                         if (len == 0)
4788                                 goto fail;
4789                         query = wpabuf_alloc(len);
4790                         if (query == NULL)
4791                                 goto fail;
4792                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4793                                 goto fail;
4794                 }
4795         }
4796
4797         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4798
4799 fail:
4800         wpabuf_free(advproto);
4801         wpabuf_free(query);
4802
4803         return ret;
4804 }
4805
4806
4807 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4808                             size_t buflen)
4809 {
4810         u8 addr[ETH_ALEN];
4811         int dialog_token;
4812         int used;
4813         char *pos;
4814         size_t resp_len, start, requested_len;
4815
4816         if (!wpa_s->last_gas_resp)
4817                 return -1;
4818
4819         used = hwaddr_aton2(cmd, addr);
4820         if (used < 0)
4821                 return -1;
4822
4823         pos = cmd + used;
4824         while (*pos == ' ')
4825                 pos++;
4826         dialog_token = atoi(pos);
4827
4828         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4829             dialog_token != wpa_s->last_gas_dialog_token)
4830                 return -1;
4831
4832         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4833         start = 0;
4834         requested_len = resp_len;
4835
4836         pos = os_strchr(pos, ' ');
4837         if (pos) {
4838                 start = atoi(pos);
4839                 if (start > resp_len)
4840                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4841                 pos = os_strchr(pos, ',');
4842                 if (pos == NULL)
4843                         return -1;
4844                 pos++;
4845                 requested_len = atoi(pos);
4846                 if (start + requested_len > resp_len)
4847                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4848         }
4849
4850         if (requested_len * 2 + 1 > buflen)
4851                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4852
4853         return wpa_snprintf_hex(buf, buflen,
4854                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4855                                 requested_len);
4856 }
4857 #endif /* CONFIG_INTERWORKING */
4858
4859
4860 #ifdef CONFIG_HS20
4861
4862 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4863 {
4864         u8 dst_addr[ETH_ALEN];
4865         int used;
4866         char *pos;
4867         u32 subtypes = 0;
4868
4869         used = hwaddr_aton2(dst, dst_addr);
4870         if (used < 0)
4871                 return -1;
4872         pos = dst + used;
4873         for (;;) {
4874                 int num = atoi(pos);
4875                 if (num <= 0 || num > 31)
4876                         return -1;
4877                 subtypes |= BIT(num);
4878                 pos = os_strchr(pos + 1, ',');
4879                 if (pos == NULL)
4880                         break;
4881                 pos++;
4882         }
4883
4884         if (subtypes == 0)
4885                 return -1;
4886
4887         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4888 }
4889
4890
4891 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4892                                     const u8 *addr, const char *realm)
4893 {
4894         u8 *buf;
4895         size_t rlen, len;
4896         int ret;
4897
4898         rlen = os_strlen(realm);
4899         len = 3 + rlen;
4900         buf = os_malloc(len);
4901         if (buf == NULL)
4902                 return -1;
4903         buf[0] = 1; /* NAI Home Realm Count */
4904         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4905         buf[2] = rlen;
4906         os_memcpy(buf + 3, realm, rlen);
4907
4908         ret = hs20_anqp_send_req(wpa_s, addr,
4909                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4910                                  buf, len);
4911
4912         os_free(buf);
4913
4914         return ret;
4915 }
4916
4917
4918 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4919                                         char *dst)
4920 {
4921         struct wpa_cred *cred = wpa_s->conf->cred;
4922         u8 dst_addr[ETH_ALEN];
4923         int used;
4924         u8 *buf;
4925         size_t len;
4926         int ret;
4927
4928         used = hwaddr_aton2(dst, dst_addr);
4929         if (used < 0)
4930                 return -1;
4931
4932         while (dst[used] == ' ')
4933                 used++;
4934         if (os_strncmp(dst + used, "realm=", 6) == 0)
4935                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4936                                                 dst + used + 6);
4937
4938         len = os_strlen(dst + used);
4939
4940         if (len == 0 && cred && cred->realm)
4941                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4942
4943         if (len % 1)
4944                 return -1;
4945         len /= 2;
4946         buf = os_malloc(len);
4947         if (buf == NULL)
4948                 return -1;
4949         if (hexstr2bin(dst + used, buf, len) < 0) {
4950                 os_free(buf);
4951                 return -1;
4952         }
4953
4954         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4955                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4956                                  buf, len);
4957         os_free(buf);
4958
4959         return ret;
4960 }
4961
4962 #endif /* CONFIG_HS20 */
4963
4964
4965 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4966         struct wpa_supplicant *wpa_s, char *cmd)
4967 {
4968         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4969         return 0;
4970 }
4971
4972
4973 #ifdef CONFIG_AUTOSCAN
4974
4975 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4976                                               char *cmd)
4977 {
4978         enum wpa_states state = wpa_s->wpa_state;
4979         char *new_params = NULL;
4980
4981         if (os_strlen(cmd) > 0) {
4982                 new_params = os_strdup(cmd);
4983                 if (new_params == NULL)
4984                         return -1;
4985         }
4986
4987         os_free(wpa_s->conf->autoscan);
4988         wpa_s->conf->autoscan = new_params;
4989
4990         if (wpa_s->conf->autoscan == NULL)
4991                 autoscan_deinit(wpa_s);
4992         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4993                 autoscan_init(wpa_s, 1);
4994         else if (state == WPA_SCANNING)
4995                 wpa_supplicant_reinit_autoscan(wpa_s);
4996
4997         return 0;
4998 }
4999
5000 #endif /* CONFIG_AUTOSCAN */
5001
5002
5003 #ifdef CONFIG_WNM
5004
5005 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
5006 {
5007         int enter;
5008         int intval = 0;
5009         char *pos;
5010         int ret;
5011         struct wpabuf *tfs_req = NULL;
5012
5013         if (os_strncmp(cmd, "enter", 5) == 0)
5014                 enter = 1;
5015         else if (os_strncmp(cmd, "exit", 4) == 0)
5016                 enter = 0;
5017         else
5018                 return -1;
5019
5020         pos = os_strstr(cmd, " interval=");
5021         if (pos)
5022                 intval = atoi(pos + 10);
5023
5024         pos = os_strstr(cmd, " tfs_req=");
5025         if (pos) {
5026                 char *end;
5027                 size_t len;
5028                 pos += 9;
5029                 end = os_strchr(pos, ' ');
5030                 if (end)
5031                         len = end - pos;
5032                 else
5033                         len = os_strlen(pos);
5034                 if (len & 1)
5035                         return -1;
5036                 len /= 2;
5037                 tfs_req = wpabuf_alloc(len);
5038                 if (tfs_req == NULL)
5039                         return -1;
5040                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5041                         wpabuf_free(tfs_req);
5042                         return -1;
5043                 }
5044         }
5045
5046         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5047                                            WNM_SLEEP_MODE_EXIT, intval,
5048                                            tfs_req);
5049         wpabuf_free(tfs_req);
5050
5051         return ret;
5052 }
5053
5054
5055 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5056 {
5057         int query_reason;
5058
5059         query_reason = atoi(cmd);
5060
5061         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5062                    query_reason);
5063
5064         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5065 }
5066
5067 #endif /* CONFIG_WNM */
5068
5069
5070 /* Get string representation of channel width */
5071 static const char * channel_width_name(enum chan_width width)
5072 {
5073         switch (width) {
5074         case CHAN_WIDTH_20_NOHT:
5075                 return "20 MHz (no HT)";
5076         case CHAN_WIDTH_20:
5077                 return "20 MHz";
5078         case CHAN_WIDTH_40:
5079                 return "40 MHz";
5080         case CHAN_WIDTH_80:
5081                 return "80 MHz";
5082         case CHAN_WIDTH_80P80:
5083                 return "80+80 MHz";
5084         case CHAN_WIDTH_160:
5085                 return "160 MHz";
5086         default:
5087                 return "unknown";
5088         }
5089 }
5090
5091
5092 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5093                                       size_t buflen)
5094 {
5095         struct wpa_signal_info si;
5096         int ret;
5097         char *pos, *end;
5098
5099         ret = wpa_drv_signal_poll(wpa_s, &si);
5100         if (ret)
5101                 return -1;
5102
5103         pos = buf;
5104         end = buf + buflen;
5105
5106         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5107                           "NOISE=%d\nFREQUENCY=%u\n",
5108                           si.current_signal, si.current_txrate / 1000,
5109                           si.current_noise, si.frequency);
5110         if (ret < 0 || ret > end - pos)
5111                 return -1;
5112         pos += ret;
5113
5114         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5115                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5116                                   channel_width_name(si.chanwidth));
5117                 if (ret < 0 || ret > end - pos)
5118                         return -1;
5119                 pos += ret;
5120         }
5121
5122         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5123                 ret = os_snprintf(pos, end - pos,
5124                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5125                                   si.center_frq1, si.center_frq2);
5126                 if (ret < 0 || ret > end - pos)
5127                         return -1;
5128                 pos += ret;
5129         }
5130
5131         if (si.avg_signal) {
5132                 ret = os_snprintf(pos, end - pos,
5133                                   "AVG_RSSI=%d\n", si.avg_signal);
5134                 if (ret < 0 || ret >= end - pos)
5135                         return -1;
5136                 pos += ret;
5137         }
5138
5139         return pos - buf;
5140 }
5141
5142
5143 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5144                                       size_t buflen)
5145 {
5146         struct hostap_sta_driver_data sta;
5147         int ret;
5148
5149         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5150         if (ret)
5151                 return -1;
5152
5153         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5154                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5155         if (ret < 0 || (size_t) ret > buflen)
5156                 return -1;
5157         return ret;
5158 }
5159
5160
5161 #ifdef ANDROID
5162 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5163                                      char *buf, size_t buflen)
5164 {
5165         int ret;
5166
5167         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5168         if (ret == 0) {
5169                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5170                         struct p2p_data *p2p = wpa_s->global->p2p;
5171                         if (p2p) {
5172                                 char country[3];
5173                                 country[0] = cmd[8];
5174                                 country[1] = cmd[9];
5175                                 country[2] = 0x04;
5176                                 p2p_set_country(p2p, country);
5177                         }
5178                 }
5179                 ret = os_snprintf(buf, buflen, "%s\n", "OK");
5180         }
5181         return ret;
5182 }
5183 #endif /* ANDROID */
5184
5185
5186 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5187 {
5188         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5189
5190 #ifdef CONFIG_P2P
5191         wpas_p2p_stop_find(wpa_s);
5192         p2p_ctrl_flush(wpa_s);
5193         wpas_p2p_group_remove(wpa_s, "*");
5194 #endif /* CONFIG_P2P */
5195
5196 #ifdef CONFIG_WPS_TESTING
5197         wps_version_number = 0x20;
5198         wps_testing_dummy_cred = 0;
5199 #endif /* CONFIG_WPS_TESTING */
5200 #ifdef CONFIG_WPS
5201         wpas_wps_cancel(wpa_s);
5202 #endif /* CONFIG_WPS */
5203         wpa_s->after_wps = 0;
5204         wpa_s->known_wps_freq = 0;
5205
5206 #ifdef CONFIG_TDLS_TESTING
5207         extern unsigned int tdls_testing;
5208         tdls_testing = 0;
5209 #endif /* CONFIG_TDLS_TESTING */
5210 #ifdef CONFIG_TDLS
5211         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5212         wpa_tdls_enable(wpa_s->wpa, 1);
5213 #endif /* CONFIG_TDLS */
5214
5215         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5216         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5217
5218         wpa_s->no_keep_alive = 0;
5219
5220         os_free(wpa_s->disallow_aps_bssid);
5221         wpa_s->disallow_aps_bssid = NULL;
5222         wpa_s->disallow_aps_bssid_count = 0;
5223         os_free(wpa_s->disallow_aps_ssid);
5224         wpa_s->disallow_aps_ssid = NULL;
5225         wpa_s->disallow_aps_ssid_count = 0;
5226
5227         wpa_s->set_sta_uapsd = 0;
5228         wpa_s->sta_uapsd = 0;
5229
5230         wpa_drv_radio_disable(wpa_s, 0);
5231
5232         wpa_bss_flush(wpa_s);
5233         wpa_blacklist_clear(wpa_s);
5234         wpa_s->extra_blacklist_count = 0;
5235         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5236         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5237 }
5238
5239
5240 static void wpas_ctrl_eapol_response(void *eloop_ctx, void *timeout_ctx)
5241 {
5242         struct wpa_supplicant *wpa_s = eloop_ctx;
5243         eapol_sm_notify_ctrl_response(wpa_s->eapol);
5244 }
5245
5246
5247 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5248                                          char *buf, size_t *resp_len)
5249 {
5250         char *reply;
5251         const int reply_size = 4096;
5252         int reply_len;
5253
5254         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5255             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5256             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5257             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5258             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5259                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5260                                       (const u8 *) buf, os_strlen(buf));
5261         } else {
5262                 int level = MSG_DEBUG;
5263                 if (os_strcmp(buf, "PING") == 0)
5264                         level = MSG_EXCESSIVE;
5265                 wpa_hexdump_ascii(level, "RX ctrl_iface",
5266                                   (const u8 *) buf, os_strlen(buf));
5267                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5268         }
5269
5270         reply = os_malloc(reply_size);
5271         if (reply == NULL) {
5272                 *resp_len = 1;
5273                 return NULL;
5274         }
5275
5276         os_memcpy(reply, "OK\n", 3);
5277         reply_len = 3;
5278
5279         if (os_strcmp(buf, "PING") == 0) {
5280                 os_memcpy(reply, "PONG\n", 5);
5281                 reply_len = 5;
5282         } else if (os_strcmp(buf, "IFNAME") == 0) {
5283                 reply_len = os_strlen(wpa_s->ifname);
5284                 os_memcpy(reply, wpa_s->ifname, reply_len);
5285         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5286                 if (wpa_debug_reopen_file() < 0)
5287                         reply_len = -1;
5288         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5289                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5290         } else if (os_strcmp(buf, "MIB") == 0) {
5291                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5292                 if (reply_len >= 0) {
5293                         int res;
5294                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5295                                                reply_size - reply_len);
5296                         if (res < 0)
5297                                 reply_len = -1;
5298                         else
5299                                 reply_len += res;
5300                 }
5301         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5302                 reply_len = wpa_supplicant_ctrl_iface_status(
5303                         wpa_s, buf + 6, reply, reply_size);
5304         } else if (os_strcmp(buf, "PMKSA") == 0) {
5305                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5306                                                     reply_size);
5307         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5308                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5309                         reply_len = -1;
5310         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5311                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5312                                                           reply, reply_size);
5313         } else if (os_strcmp(buf, "LOGON") == 0) {
5314                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5315         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5316                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5317         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5318                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5319                         reply_len = -1;
5320                 else
5321                         wpas_request_connection(wpa_s);
5322         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5323                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5324                         reply_len = -1;
5325                 else if (wpa_s->disconnected)
5326                         wpas_request_connection(wpa_s);
5327 #ifdef IEEE8021X_EAPOL
5328         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5329                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5330                         reply_len = -1;
5331 #endif /* IEEE8021X_EAPOL */
5332 #ifdef CONFIG_PEERKEY
5333         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5334                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5335                         reply_len = -1;
5336 #endif /* CONFIG_PEERKEY */
5337 #ifdef CONFIG_IEEE80211R
5338         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5339                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5340                         reply_len = -1;
5341 #endif /* CONFIG_IEEE80211R */
5342 #ifdef CONFIG_WPS
5343         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5344                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5345                 if (res == -2) {
5346                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5347                         reply_len = 17;
5348                 } else if (res)
5349                         reply_len = -1;
5350         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5351                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5352                 if (res == -2) {
5353                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5354                         reply_len = 17;
5355                 } else if (res)
5356                         reply_len = -1;
5357         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5358                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5359                                                               reply,
5360                                                               reply_size);
5361         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5362                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5363                         wpa_s, buf + 14, reply, reply_size);
5364         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5365                 if (wpas_wps_cancel(wpa_s))
5366                         reply_len = -1;
5367 #ifdef CONFIG_WPS_NFC
5368         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5369                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5370                         reply_len = -1;
5371         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5372                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5373                         reply_len = -1;
5374         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5375                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5376                         wpa_s, buf + 21, reply, reply_size);
5377         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5378                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5379                         wpa_s, buf + 14, reply, reply_size);
5380         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5381                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5382                                                                buf + 17))
5383                         reply_len = -1;
5384         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5385                 reply_len = wpas_ctrl_nfc_get_handover_req(
5386                         wpa_s, buf + 21, reply, reply_size);
5387         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5388                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5389                         wpa_s, buf + 21, reply, reply_size);
5390         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5391                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5392                         wpa_s, buf + 20, reply, reply_size);
5393         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5394                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5395                         reply_len = -1;
5396         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5397                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5398                         reply_len = -1;
5399 #endif /* CONFIG_WPS_NFC */
5400         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5401                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5402                         reply_len = -1;
5403 #ifdef CONFIG_AP
5404         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5405                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5406                         wpa_s, buf + 11, reply, reply_size);
5407 #endif /* CONFIG_AP */
5408 #ifdef CONFIG_WPS_ER
5409         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5410                 if (wpas_wps_er_start(wpa_s, NULL))
5411                         reply_len = -1;
5412         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5413                 if (wpas_wps_er_start(wpa_s, buf + 13))
5414                         reply_len = -1;
5415         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5416                 if (wpas_wps_er_stop(wpa_s))
5417                         reply_len = -1;
5418         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5419                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5420                         reply_len = -1;
5421         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5422                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5423                 if (ret == -2) {
5424                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5425                         reply_len = 17;
5426                 } else if (ret == -3) {
5427                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5428                         reply_len = 18;
5429                 } else if (ret == -4) {
5430                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5431                         reply_len = 20;
5432                 } else if (ret)
5433                         reply_len = -1;
5434         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5435                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5436                         reply_len = -1;
5437         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5438                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5439                                                                 buf + 18))
5440                         reply_len = -1;
5441         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5442                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5443                         reply_len = -1;
5444 #ifdef CONFIG_WPS_NFC
5445         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5446                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5447                         wpa_s, buf + 24, reply, reply_size);
5448 #endif /* CONFIG_WPS_NFC */
5449 #endif /* CONFIG_WPS_ER */
5450 #endif /* CONFIG_WPS */
5451 #ifdef CONFIG_IBSS_RSN
5452         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5453                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5454                         reply_len = -1;
5455 #endif /* CONFIG_IBSS_RSN */
5456 #ifdef CONFIG_P2P
5457         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5458                 if (p2p_ctrl_find(wpa_s, buf + 9))
5459                         reply_len = -1;
5460         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5461                 if (p2p_ctrl_find(wpa_s, ""))
5462                         reply_len = -1;
5463         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5464                 wpas_p2p_stop_find(wpa_s);
5465         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5466                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5467                                              reply_size);
5468         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5469                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5470                         reply_len = -1;
5471         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5472                 if (p2p_ctrl_listen(wpa_s, ""))
5473                         reply_len = -1;
5474         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5475                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5476                         reply_len = -1;
5477         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5478                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0, 0))
5479                         reply_len = -1;
5480         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5481                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5482                         reply_len = -1;
5483         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5484                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5485                         reply_len = -1;
5486         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5487                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5488         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5489                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5490                                                    reply_size);
5491         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5492                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5493                         reply_len = -1;
5494         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5495                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5496                         reply_len = -1;
5497         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5498                 wpas_p2p_sd_service_update(wpa_s);
5499         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5500                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5501                         reply_len = -1;
5502         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5503                 wpas_p2p_service_flush(wpa_s);
5504         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5505                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5506                         reply_len = -1;
5507         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5508                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5509                         reply_len = -1;
5510         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5511                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5512                         reply_len = -1;
5513         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5514                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5515                         reply_len = -1;
5516         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5517                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5518                                               reply_size);
5519         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5520                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5521                         reply_len = -1;
5522         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5523                 p2p_ctrl_flush(wpa_s);
5524         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5525                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5526                         reply_len = -1;
5527         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5528                 if (wpas_p2p_cancel(wpa_s))
5529                         reply_len = -1;
5530         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5531                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5532                         reply_len = -1;
5533         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5534                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5535                         reply_len = -1;
5536         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5537                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5538                         reply_len = -1;
5539         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5540                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5541                         reply_len = -1;
5542         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
5543                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
5544                         reply_len = -1;
5545 #endif /* CONFIG_P2P */
5546 #ifdef CONFIG_WIFI_DISPLAY
5547         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5548                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5549                         reply_len = -1;
5550         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5551                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5552                                                      reply, reply_size);
5553 #endif /* CONFIG_WIFI_DISPLAY */
5554 #ifdef CONFIG_INTERWORKING
5555         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5556                 if (interworking_fetch_anqp(wpa_s) < 0)
5557                         reply_len = -1;
5558         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5559                 interworking_stop_fetch_anqp(wpa_s);
5560         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5561                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5562                                         NULL) < 0)
5563                         reply_len = -1;
5564         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5565                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5566                         reply_len = -1;
5567         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5568                 if (get_anqp(wpa_s, buf + 9) < 0)
5569                         reply_len = -1;
5570         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5571                 if (gas_request(wpa_s, buf + 12) < 0)
5572                         reply_len = -1;
5573         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5574                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5575                                              reply_size);
5576 #endif /* CONFIG_INTERWORKING */
5577 #ifdef CONFIG_HS20
5578         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5579                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5580                         reply_len = -1;
5581         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5582                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5583                         reply_len = -1;
5584 #endif /* CONFIG_HS20 */
5585         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5586         {
5587                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5588                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5589                         reply_len = -1;
5590                 else {
5591                         /*
5592                          * Notify response from timeout to allow the control
5593                          * interface response to be sent first.
5594                          */
5595                         eloop_register_timeout(0, 0, wpas_ctrl_eapol_response,
5596                                                wpa_s, NULL);
5597                 }
5598         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5599                 if (wpa_supplicant_reload_configuration(wpa_s))
5600                         reply_len = -1;
5601         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5602                 wpa_supplicant_terminate_proc(wpa_s->global);
5603         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5604                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5605                         reply_len = -1;
5606         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5607                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5608                         wpa_s, buf + 9, reply, reply_size);
5609         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5610                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5611                         wpa_s, buf + 9, reply, reply_size);
5612         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5613                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5614                         wpa_s, reply, reply_size);
5615         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5616 #ifdef CONFIG_SME
5617                 wpa_s->sme.prev_bssid_set = 0;
5618 #endif /* CONFIG_SME */
5619                 wpa_s->reassociate = 0;
5620                 wpa_s->disconnected = 1;
5621                 wpa_supplicant_cancel_sched_scan(wpa_s);
5622                 wpa_supplicant_cancel_scan(wpa_s);
5623                 wpa_supplicant_deauthenticate(wpa_s,
5624                                               WLAN_REASON_DEAUTH_LEAVING);
5625         } else if (os_strcmp(buf, "SCAN") == 0 ||
5626                    os_strncmp(buf, "SCAN ", 5) == 0) {
5627                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5628                         reply_len = -1;
5629                 else {
5630                         if (os_strlen(buf) > 4 &&
5631                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5632                                 wpa_s->scan_res_handler = scan_only_handler;
5633                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5634                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5635                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5636                                 wpa_s->normal_scans = 0;
5637                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5638                                 wpa_s->after_wps = 0;
5639                                 wpa_s->known_wps_freq = 0;
5640                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5641                         } else if (wpa_s->sched_scanning) {
5642                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5643                                            "sched_scan to allow requested "
5644                                            "full scan to proceed");
5645                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5646                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5647                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5648                         } else {
5649                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5650                                            "reject new request");
5651                                 reply_len = os_snprintf(reply, reply_size,
5652                                                         "FAIL-BUSY\n");
5653                         }
5654                 }
5655         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5656                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5657                         wpa_s, reply, reply_size);
5658         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5659                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5660                         reply_len = -1;
5661         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5662                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5663                         reply_len = -1;
5664         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5665                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5666                         reply_len = -1;
5667         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5668                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5669                         wpa_s, reply, reply_size);
5670         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5671                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5672                         reply_len = -1;
5673         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5674                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5675                         reply_len = -1;
5676         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5677                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5678                         wpa_s, buf + 12, reply, reply_size);
5679         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5680                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5681                         wpa_s, reply, reply_size);
5682         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5683                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5684                         wpa_s, reply, reply_size);
5685         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5686                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5687                         reply_len = -1;
5688         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5689                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5690                         reply_len = -1;
5691 #ifndef CONFIG_NO_CONFIG_WRITE
5692         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5693                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5694                         reply_len = -1;
5695 #endif /* CONFIG_NO_CONFIG_WRITE */
5696         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5697                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5698                         wpa_s, buf + 15, reply, reply_size);
5699         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5700                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5701                         reply_len = -1;
5702         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5703                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5704                         reply_len = -1;
5705         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5706                 reply_len = wpa_supplicant_global_iface_list(
5707                         wpa_s->global, reply, reply_size);
5708         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5709                 reply_len = wpa_supplicant_global_iface_interfaces(
5710                         wpa_s->global, reply, reply_size);
5711         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5712                 reply_len = wpa_supplicant_ctrl_iface_bss(
5713                         wpa_s, buf + 4, reply, reply_size);
5714 #ifdef CONFIG_AP
5715         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5716                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5717         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5718                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5719                                               reply_size);
5720         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5721                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5722                                                    reply_size);
5723         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5724                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5725                         reply_len = -1;
5726         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5727                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5728                         reply_len = -1;
5729         } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
5730                 if (ap_ctrl_iface_chanswitch(wpa_s, buf + 12))
5731                         reply_len = -1;
5732 #endif /* CONFIG_AP */
5733         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5734                 wpas_notify_suspend(wpa_s->global);
5735         } else if (os_strcmp(buf, "RESUME") == 0) {
5736                 wpas_notify_resume(wpa_s->global);
5737         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5738                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5739         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5740                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5741                         reply_len = -1;
5742         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5743                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5744                         reply_len = -1;
5745         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5746                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5747                         reply_len = -1;
5748         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5749                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5750                                                                buf + 17))
5751                         reply_len = -1;
5752         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5753                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5754                         reply_len = -1;
5755 #ifdef CONFIG_TDLS
5756         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5757                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5758                         reply_len = -1;
5759         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5760                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5761                         reply_len = -1;
5762         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5763                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5764                         reply_len = -1;
5765 #endif /* CONFIG_TDLS */
5766         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5767                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5768                                                        reply_size);
5769         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5770                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5771                                                        reply_size);
5772 #ifdef CONFIG_AUTOSCAN
5773         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5774                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5775                         reply_len = -1;
5776 #endif /* CONFIG_AUTOSCAN */
5777 #ifdef ANDROID
5778         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
5779                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
5780                                                       reply_size);
5781 #endif /* ANDROID */
5782         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5783                 pmksa_cache_clear_current(wpa_s->wpa);
5784                 eapol_sm_request_reauth(wpa_s->eapol);
5785 #ifdef CONFIG_WNM
5786         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5787                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5788                         reply_len = -1;
5789         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
5790                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
5791                                 reply_len = -1;
5792 #endif /* CONFIG_WNM */
5793         } else if (os_strcmp(buf, "FLUSH") == 0) {
5794                 wpa_supplicant_ctrl_iface_flush(wpa_s);
5795         } else {
5796                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5797                 reply_len = 16;
5798         }
5799
5800         if (reply_len < 0) {
5801                 os_memcpy(reply, "FAIL\n", 5);
5802                 reply_len = 5;
5803         }
5804
5805         *resp_len = reply_len;
5806         return reply;
5807 }
5808
5809
5810 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5811                                            char *cmd)
5812 {
5813         struct wpa_interface iface;
5814         char *pos;
5815
5816         /*
5817          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5818          * TAB<bridge_ifname>
5819          */
5820         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5821
5822         os_memset(&iface, 0, sizeof(iface));
5823
5824         do {
5825                 iface.ifname = pos = cmd;
5826                 pos = os_strchr(pos, '\t');
5827                 if (pos)
5828                         *pos++ = '\0';
5829                 if (iface.ifname[0] == '\0')
5830                         return -1;
5831                 if (pos == NULL)
5832                         break;
5833
5834                 iface.confname = pos;
5835                 pos = os_strchr(pos, '\t');
5836                 if (pos)
5837                         *pos++ = '\0';
5838                 if (iface.confname[0] == '\0')
5839                         iface.confname = NULL;
5840                 if (pos == NULL)
5841                         break;
5842
5843                 iface.driver = pos;
5844                 pos = os_strchr(pos, '\t');
5845                 if (pos)
5846                         *pos++ = '\0';
5847                 if (iface.driver[0] == '\0')
5848                         iface.driver = NULL;
5849                 if (pos == NULL)
5850                         break;
5851
5852                 iface.ctrl_interface = pos;
5853                 pos = os_strchr(pos, '\t');
5854                 if (pos)
5855                         *pos++ = '\0';
5856                 if (iface.ctrl_interface[0] == '\0')
5857                         iface.ctrl_interface = NULL;
5858                 if (pos == NULL)
5859                         break;
5860
5861                 iface.driver_param = pos;
5862                 pos = os_strchr(pos, '\t');
5863                 if (pos)
5864                         *pos++ = '\0';
5865                 if (iface.driver_param[0] == '\0')
5866                         iface.driver_param = NULL;
5867                 if (pos == NULL)
5868                         break;
5869
5870                 iface.bridge_ifname = pos;
5871                 pos = os_strchr(pos, '\t');
5872                 if (pos)
5873                         *pos++ = '\0';
5874                 if (iface.bridge_ifname[0] == '\0')
5875                         iface.bridge_ifname = NULL;
5876                 if (pos == NULL)
5877                         break;
5878         } while (0);
5879
5880         if (wpa_supplicant_get_iface(global, iface.ifname))
5881                 return -1;
5882
5883         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5884 }
5885
5886
5887 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5888                                               char *cmd)
5889 {
5890         struct wpa_supplicant *wpa_s;
5891
5892         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5893
5894         wpa_s = wpa_supplicant_get_iface(global, cmd);
5895         if (wpa_s == NULL)
5896                 return -1;
5897         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5898 }
5899
5900
5901 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5902 {
5903         struct wpa_interface_info *prev;
5904
5905         while (iface) {
5906                 prev = iface;
5907                 iface = iface->next;
5908
5909                 os_free(prev->ifname);
5910                 os_free(prev->desc);
5911                 os_free(prev);
5912         }
5913 }
5914
5915
5916 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5917                                             char *buf, int len)
5918 {
5919         int i, res;
5920         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5921         char *pos, *end;
5922
5923         for (i = 0; wpa_drivers[i]; i++) {
5924                 struct wpa_driver_ops *drv = wpa_drivers[i];
5925                 if (drv->get_interfaces == NULL)
5926                         continue;
5927                 tmp = drv->get_interfaces(global->drv_priv[i]);
5928                 if (tmp == NULL)
5929                         continue;
5930
5931                 if (last == NULL)
5932                         iface = last = tmp;
5933                 else
5934                         last->next = tmp;
5935                 while (last->next)
5936                         last = last->next;
5937         }
5938
5939         pos = buf;
5940         end = buf + len;
5941         for (tmp = iface; tmp; tmp = tmp->next) {
5942                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5943                                   tmp->drv_name, tmp->ifname,
5944                                   tmp->desc ? tmp->desc : "");
5945                 if (res < 0 || res >= end - pos) {
5946                         *pos = '\0';
5947                         break;
5948                 }
5949                 pos += res;
5950         }
5951
5952         wpa_free_iface_info(iface);
5953
5954         return pos - buf;
5955 }
5956
5957
5958 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5959                                                   char *buf, int len)
5960 {
5961         int res;
5962         char *pos, *end;
5963         struct wpa_supplicant *wpa_s;
5964
5965         wpa_s = global->ifaces;
5966         pos = buf;
5967         end = buf + len;
5968
5969         while (wpa_s) {
5970                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5971                 if (res < 0 || res >= end - pos) {
5972                         *pos = '\0';
5973                         break;
5974                 }
5975                 pos += res;
5976                 wpa_s = wpa_s->next;
5977         }
5978         return pos - buf;
5979 }
5980
5981
5982 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
5983                                             const char *ifname,
5984                                             char *cmd, size_t *resp_len)
5985 {
5986         struct wpa_supplicant *wpa_s;
5987
5988         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5989                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
5990                         break;
5991         }
5992
5993         if (wpa_s == NULL) {
5994                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
5995                 if (resp)
5996                         *resp_len = os_strlen(resp);
5997                 else
5998                         *resp_len = 1;
5999                 return resp;
6000         }
6001
6002         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
6003 }
6004
6005
6006 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
6007                                                char *buf, size_t *resp_len)
6008 {
6009 #ifdef CONFIG_P2P
6010         static const char * cmd[] = {
6011                 "P2P_FIND",
6012                 "P2P_STOP_FIND",
6013                 "P2P_LISTEN",
6014                 "P2P_GROUP_ADD",
6015                 "P2P_GET_PASSPHRASE",
6016                 "P2P_SERVICE_UPDATE",
6017                 "P2P_SERVICE_FLUSH",
6018                 "P2P_FLUSH",
6019                 "P2P_CANCEL",
6020                 "P2P_PRESENCE_REQ",
6021                 "P2P_EXT_LISTEN",
6022                 NULL
6023         };
6024         static const char * prefix[] = {
6025                 "P2P_FIND ",
6026                 "P2P_CONNECT ",
6027                 "P2P_LISTEN ",
6028                 "P2P_GROUP_REMOVE ",
6029                 "P2P_GROUP_ADD ",
6030                 "P2P_PROV_DISC ",
6031                 "P2P_SERV_DISC_REQ ",
6032                 "P2P_SERV_DISC_CANCEL_REQ ",
6033                 "P2P_SERV_DISC_RESP ",
6034                 "P2P_SERV_DISC_EXTERNAL ",
6035                 "P2P_SERVICE_ADD ",
6036                 "P2P_SERVICE_DEL ",
6037                 "P2P_REJECT ",
6038                 "P2P_INVITE ",
6039                 "P2P_PEER ",
6040                 "P2P_SET ",
6041                 "P2P_UNAUTHORIZE ",
6042                 "P2P_PRESENCE_REQ ",
6043                 "P2P_EXT_LISTEN ",
6044                 "P2P_REMOVE_CLIENT ",
6045                 NULL
6046         };
6047         int found = 0;
6048         int i;
6049
6050         if (global->p2p_init_wpa_s == NULL)
6051                 return NULL;
6052
6053         for (i = 0; !found && cmd[i]; i++) {
6054                 if (os_strcmp(buf, cmd[i]) == 0)
6055                         found = 1;
6056         }
6057
6058         for (i = 0; !found && prefix[i]; i++) {
6059                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
6060                         found = 1;
6061         }
6062
6063         if (found)
6064                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6065                                                          buf, resp_len);
6066 #endif /* CONFIG_P2P */
6067         return NULL;
6068 }
6069
6070
6071 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
6072                                                char *buf, size_t *resp_len)
6073 {
6074 #ifdef CONFIG_WIFI_DISPLAY
6075         if (global->p2p_init_wpa_s == NULL)
6076                 return NULL;
6077         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
6078             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
6079                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6080                                                          buf, resp_len);
6081 #endif /* CONFIG_WIFI_DISPLAY */
6082         return NULL;
6083 }
6084
6085
6086 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
6087                                            char *buf, size_t *resp_len)
6088 {
6089         char *ret;
6090
6091         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
6092         if (ret)
6093                 return ret;
6094
6095         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
6096         if (ret)
6097                 return ret;
6098
6099         return NULL;
6100 }
6101
6102
6103 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
6104 {
6105         char *value;
6106
6107         value = os_strchr(cmd, ' ');
6108         if (value == NULL)
6109                 return -1;
6110         *value++ = '\0';
6111
6112         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
6113
6114 #ifdef CONFIG_WIFI_DISPLAY
6115         if (os_strcasecmp(cmd, "wifi_display") == 0) {
6116                 wifi_display_enable(global, !!atoi(value));
6117                 return 0;
6118         }
6119 #endif /* CONFIG_WIFI_DISPLAY */
6120
6121         return -1;
6122 }
6123
6124
6125 #ifndef CONFIG_NO_CONFIG_WRITE
6126 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
6127 {
6128         int ret = 0;
6129         struct wpa_supplicant *wpa_s;
6130
6131         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6132                 if (!wpa_s->conf->update_config) {
6133                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
6134                         continue;
6135                 }
6136
6137                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
6138                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
6139                         ret = 1;
6140                 } else {
6141                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
6142                 }
6143         }
6144
6145         return ret;
6146 }
6147 #endif /* CONFIG_NO_CONFIG_WRITE */
6148
6149
6150 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
6151                                          char *buf, size_t buflen)
6152 {
6153         char *pos, *end;
6154         int ret;
6155         struct wpa_supplicant *wpa_s;
6156
6157         pos = buf;
6158         end = buf + buflen;
6159
6160 #ifdef CONFIG_P2P
6161         if (global->p2p && !global->p2p_disabled) {
6162                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
6163                                   "\n"
6164                                   "p2p_state=%s\n",
6165                                   MAC2STR(global->p2p_dev_addr),
6166                                   p2p_get_state_txt(global->p2p));
6167                 if (ret < 0 || ret >= end - pos)
6168                         return pos - buf;
6169                 pos += ret;
6170         } else if (global->p2p) {
6171                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
6172                 if (ret < 0 || ret >= end - pos)
6173                         return pos - buf;
6174                 pos += ret;
6175         }
6176 #endif /* CONFIG_P2P */
6177
6178 #ifdef CONFIG_WIFI_DISPLAY
6179         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
6180                           !!global->wifi_display);
6181         if (ret < 0 || ret >= end - pos)
6182                 return pos - buf;
6183         pos += ret;
6184 #endif /* CONFIG_WIFI_DISPLAY */
6185
6186         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6187                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
6188                                   "address=" MACSTR "\n",
6189                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
6190                 if (ret < 0 || ret >= end - pos)
6191                         return pos - buf;
6192                 pos += ret;
6193         }
6194
6195         return pos - buf;
6196 }
6197
6198
6199 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
6200                                                 char *buf, size_t *resp_len)
6201 {
6202         char *reply;
6203         const int reply_size = 2048;
6204         int reply_len;
6205         int level = MSG_DEBUG;
6206
6207         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
6208                 char *pos = os_strchr(buf + 7, ' ');
6209                 if (pos) {
6210                         *pos++ = '\0';
6211                         return wpas_global_ctrl_iface_ifname(global,
6212                                                              buf + 7, pos,
6213                                                              resp_len);
6214                 }
6215         }
6216
6217         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
6218         if (reply)
6219                 return reply;
6220
6221         if (os_strcmp(buf, "PING") == 0)
6222                 level = MSG_EXCESSIVE;
6223         wpa_hexdump_ascii(level, "RX global ctrl_iface",
6224                           (const u8 *) buf, os_strlen(buf));
6225
6226         reply = os_malloc(reply_size);
6227         if (reply == NULL) {
6228                 *resp_len = 1;
6229                 return NULL;
6230         }
6231
6232         os_memcpy(reply, "OK\n", 3);
6233         reply_len = 3;
6234
6235         if (os_strcmp(buf, "PING") == 0) {
6236                 os_memcpy(reply, "PONG\n", 5);
6237                 reply_len = 5;
6238         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6239                 if (wpa_supplicant_global_iface_add(global, buf + 14))
6240                         reply_len = -1;
6241         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6242                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
6243                         reply_len = -1;
6244         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6245                 reply_len = wpa_supplicant_global_iface_list(
6246                         global, reply, reply_size);
6247         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6248                 reply_len = wpa_supplicant_global_iface_interfaces(
6249                         global, reply, reply_size);
6250         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6251                 wpa_supplicant_terminate_proc(global);
6252         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6253                 wpas_notify_suspend(global);
6254         } else if (os_strcmp(buf, "RESUME") == 0) {
6255                 wpas_notify_resume(global);
6256         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6257                 if (wpas_global_ctrl_iface_set(global, buf + 4))
6258                         reply_len = -1;
6259 #ifndef CONFIG_NO_CONFIG_WRITE
6260         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6261                 if (wpas_global_ctrl_iface_save_config(global))
6262                         reply_len = -1;
6263 #endif /* CONFIG_NO_CONFIG_WRITE */
6264         } else if (os_strcmp(buf, "STATUS") == 0) {
6265                 reply_len = wpas_global_ctrl_iface_status(global, reply,
6266                                                           reply_size);
6267         } else {
6268                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6269                 reply_len = 16;
6270         }
6271
6272         if (reply_len < 0) {
6273                 os_memcpy(reply, "FAIL\n", 5);
6274                 reply_len = 5;
6275         }
6276
6277         *resp_len = reply_len;
6278         return reply;
6279 }