wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2012, 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;
  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_supplicant_cancel_sched_scan(wpa_s);
  63                 wpa_supplicant_cancel_scan(wpa_s);
  64         }
  65
  66         os_memset(&params, 0, sizeof(params));
  67
  68         num_ssid = 0;
  69         ssid = wpa_s->conf->ssid;
  70         while (ssid) {
  71                 if (!wpas_network_disabled(wpa_s, ssid))
  72                         num_ssid++;
  73                 ssid = ssid->next;
  74         }
  75         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  76                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  77                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  78                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  79         }
  80
  81         if (num_ssid == 0) {
  82                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  83                 return -1;
  84         }
  85
  86         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  87                                         num_ssid);
  88         if (params.filter_ssids == NULL)
  89                 return -1;
  90         i = 0;
  91         ssid = wpa_s->conf->ssid;
  92         while (ssid) {
  93                 if (!wpas_network_disabled(wpa_s, ssid)) {
  94                         params.ssids[i].ssid = ssid->ssid;
  95                         params.ssids[i].ssid_len = ssid->ssid_len;
  96                         params.num_ssids++;
  97                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
  98                                   ssid->ssid_len);
  99                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
 100                         params.num_filter_ssids++;
 101                         i++;
 102                         if (i == num_ssid)
 103                                 break;
 104                 }
 105                 ssid = ssid->next;
 106         }
 107
 108         if (wpa_s->conf->filter_rssi)
 109                 params.filter_rssi = wpa_s->conf->filter_rssi;
 110
 111         ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
 112         os_free(params.filter_ssids);
 113         if (ret == 0)
 114                 wpa_s->pno = 1;
 115         return ret;
 116 }
 117
 118
 119 static int pno_stop(struct wpa_supplicant *wpa_s)
 120 {
 121         int ret = 0;
 122
 123         if (wpa_s->pno) {
 124                 wpa_s->pno = 0;
 125                 ret = wpa_drv_stop_sched_scan(wpa_s);
 126         }
 127
 128         if (wpa_s->wpa_state == WPA_SCANNING)
 129                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 130
 131         return ret;
 132 }
 133
 134
 135 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 136 {
 137         char *pos;
 138         u8 addr[ETH_ALEN], *filter = NULL, *n;
 139         size_t count = 0;
 140
 141         pos = val;
 142         while (pos) {
 143                 if (*pos == '\0')
 144                         break;
 145                 if (hwaddr_aton(pos, addr)) {
 146                         os_free(filter);
 147                         return -1;
 148                 }
 149                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 150                 if (n == NULL) {
 151                         os_free(filter);
 152                         return -1;
 153                 }
 154                 filter = n;
 155                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 156                 count++;
 157
 158                 pos = os_strchr(pos, ' ');
 159                 if (pos)
 160                         pos++;
 161         }
 162
 163         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 164         os_free(wpa_s->bssid_filter);
 165         wpa_s->bssid_filter = filter;
 166         wpa_s->bssid_filter_count = count;
 167
 168         return 0;
 169 }
 170
 171
 172 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 173 {
 174         char *pos;
 175         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 176         struct wpa_ssid_value *ssid = NULL, *ns;
 177         size_t count = 0, ssid_count = 0;
 178         struct wpa_ssid *c;
 179
 180         /*
 181          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | “”
 182          * SSID_SPEC ::= ssid <SSID_HEX>
 183          * BSSID_SPEC ::= bssid <BSSID_HEX>
 184          */
 185
 186         pos = val;
 187         while (pos) {
 188                 if (*pos == '\0')
 189                         break;
 190                 if (os_strncmp(pos, "bssid ", 6) == 0) {
 191                         int res;
 192                         pos += 6;
 193                         res = hwaddr_aton2(pos, addr);
 194                         if (res < 0) {
 195                                 os_free(ssid);
 196                                 os_free(bssid);
 197                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 198                                            "BSSID value '%s'", pos);
 199                                 return -1;
 200                         }
 201                         pos += res;
 202                         n = os_realloc_array(bssid, count + 1, ETH_ALEN);
 203                         if (n == NULL) {
 204                                 os_free(ssid);
 205                                 os_free(bssid);
 206                                 return -1;
 207                         }
 208                         bssid = n;
 209                         os_memcpy(bssid + count * ETH_ALEN, addr, ETH_ALEN);
 210                         count++;
 211                 } else if (os_strncmp(pos, "ssid ", 5) == 0) {
 212                         char *end;
 213                         pos += 5;
 214
 215                         end = pos;
 216                         while (*end) {
 217                                 if (*end == '\0' || *end == ' ')
 218                                         break;
 219                                 end++;
 220                         }
 221
 222                         ns = os_realloc_array(ssid, ssid_count + 1,
 223                                               sizeof(struct wpa_ssid_value));
 224                         if (ns == NULL) {
 225                                 os_free(ssid);
 226                                 os_free(bssid);
 227                                 return -1;
 228                         }
 229                         ssid = ns;
 230
 231                         if ((end - pos) & 0x01 || end - pos > 2 * 32 ||
 232                             hexstr2bin(pos, ssid[ssid_count].ssid,
 233                                        (end - pos) / 2) < 0) {
 234                                 os_free(ssid);
 235                                 os_free(bssid);
 236                                 wpa_printf(MSG_DEBUG, "Invalid disallow_aps "
 237                                            "SSID value '%s'", pos);
 238                                 return -1;
 239                         }
 240                         ssid[ssid_count].ssid_len = (end - pos) / 2;
 241                         wpa_hexdump_ascii(MSG_DEBUG, "disallow_aps SSID",
 242                                           ssid[ssid_count].ssid,
 243                                           ssid[ssid_count].ssid_len);
 244                         ssid_count++;
 245                         pos = end;
 246                 } else {
 247                         wpa_printf(MSG_DEBUG, "Unexpected disallow_aps value "
 248                                    "'%s'", pos);
 249                         os_free(ssid);
 250                         os_free(bssid);
 251                         return -1;
 252                 }
 253
 254                 pos = os_strchr(pos, ' ');
 255                 if (pos)
 256                         pos++;
 257         }
 258
 259         wpa_hexdump(MSG_DEBUG, "disallow_aps_bssid", bssid, count * ETH_ALEN);
 260         os_free(wpa_s->disallow_aps_bssid);
 261         wpa_s->disallow_aps_bssid = bssid;
 262         wpa_s->disallow_aps_bssid_count = count;
 263
 264         wpa_printf(MSG_DEBUG, "disallow_aps_ssid_count %d", (int) ssid_count);
 265         os_free(wpa_s->disallow_aps_ssid);
 266         wpa_s->disallow_aps_ssid = ssid;
 267         wpa_s->disallow_aps_ssid_count = ssid_count;
 268
 269         if (!wpa_s->current_ssid || wpa_s->wpa_state < WPA_AUTHENTICATING)
 270                 return 0;
 271
 272         c = wpa_s->current_ssid;
 273         if (c->mode != WPAS_MODE_INFRA && c->mode != WPAS_MODE_IBSS)
 274                 return 0;
 275
 276         if (!disallowed_bssid(wpa_s, wpa_s->bssid) &&
 277             !disallowed_ssid(wpa_s, c->ssid, c->ssid_len))
 278                 return 0;
 279
 280         wpa_printf(MSG_DEBUG, "Disconnect and try to find another network "
 281                    "because current AP was marked disallowed");
 282
 283 #ifdef CONFIG_SME
 284         wpa_s->sme.prev_bssid_set = 0;
 285 #endif /* CONFIG_SME */
 286         wpa_s->reassociate = 1;
 287         wpa_supplicant_deauthenticate(wpa_s, WLAN_REASON_DEAUTH_LEAVING);
 288         wpa_supplicant_req_scan(wpa_s, 0, 0);
 289
 290         return 0;
 291 }
 292
 293
 294 static int wpa_supplicant_ctrl_iface_set(struct wpa_supplicant *wpa_s,
 295                                          char *cmd)
 296 {
 297         char *value;
 298         int ret = 0;
 299
 300         value = os_strchr(cmd, ' ');
 301         if (value == NULL)
 302                 return -1;
 303         *value++ = '\0';
 304
 305         wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
 306         if (os_strcasecmp(cmd, "EAPOL::heldPeriod") == 0) {
 307                 eapol_sm_configure(wpa_s->eapol,
 308                                    atoi(value), -1, -1, -1);
 309         } else if (os_strcasecmp(cmd, "EAPOL::authPeriod") == 0) {
 310                 eapol_sm_configure(wpa_s->eapol,
 311                                    -1, atoi(value), -1, -1);
 312         } else if (os_strcasecmp(cmd, "EAPOL::startPeriod") == 0) {
 313                 eapol_sm_configure(wpa_s->eapol,
 314                                    -1, -1, atoi(value), -1);
 315         } else if (os_strcasecmp(cmd, "EAPOL::maxStart") == 0) {
 316                 eapol_sm_configure(wpa_s->eapol,
 317                                    -1, -1, -1, atoi(value));
 318         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKLifetime") == 0) {
 319                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_LIFETIME,
 320                                      atoi(value)))
 321                         ret = -1;
 322         } else if (os_strcasecmp(cmd, "dot11RSNAConfigPMKReauthThreshold") ==
 323                    0) {
 324                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_PMK_REAUTH_THRESHOLD,
 325                                      atoi(value)))
 326                         ret = -1;
 327         } else if (os_strcasecmp(cmd, "dot11RSNAConfigSATimeout") == 0) {
 328                 if (wpa_sm_set_param(wpa_s->wpa, RSNA_SA_TIMEOUT, atoi(value)))
 329                         ret = -1;
 330         } else if (os_strcasecmp(cmd, "wps_fragment_size") == 0) {
 331                 wpa_s->wps_fragment_size = atoi(value);
 332 #ifdef CONFIG_WPS_TESTING
 333         } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
 334                 long int val;
 335                 val = strtol(value, NULL, 0);
 336                 if (val < 0 || val > 0xff) {
 337                         ret = -1;
 338                         wpa_printf(MSG_DEBUG, "WPS: Invalid "
 339                                    "wps_version_number %ld", val);
 340                 } else {
 341                         wps_version_number = val;
 342                         wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
 343                                    "version %u.%u",
 344                                    (wps_version_number & 0xf0) >> 4,
 345                                    wps_version_number & 0x0f);
 346                 }
 347         } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
 348                 wps_testing_dummy_cred = atoi(value);
 349                 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
 350                            wps_testing_dummy_cred);
 351 #endif /* CONFIG_WPS_TESTING */
 352         } else if (os_strcasecmp(cmd, "ampdu") == 0) {
 353                 if (wpa_drv_ampdu(wpa_s, atoi(value)) < 0)
 354                         ret = -1;
 355 #ifdef CONFIG_TDLS_TESTING
 356         } else if (os_strcasecmp(cmd, "tdls_testing") == 0) {
 357                 extern unsigned int tdls_testing;
 358                 tdls_testing = strtol(value, NULL, 0);
 359                 wpa_printf(MSG_DEBUG, "TDLS: tdls_testing=0x%x", tdls_testing);
 360 #endif /* CONFIG_TDLS_TESTING */
 361 #ifdef CONFIG_TDLS
 362         } else if (os_strcasecmp(cmd, "tdls_disabled") == 0) {
 363                 int disabled = atoi(value);
 364                 wpa_printf(MSG_DEBUG, "TDLS: tdls_disabled=%d", disabled);
 365                 if (disabled) {
 366                         if (wpa_drv_tdls_oper(wpa_s, TDLS_DISABLE, NULL) < 0)
 367                                 ret = -1;
 368                 } else if (wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL) < 0)
 369                         ret = -1;
 370                 wpa_tdls_enable(wpa_s->wpa, !disabled);
 371 #endif /* CONFIG_TDLS */
 372         } else if (os_strcasecmp(cmd, "pno") == 0) {
 373                 if (atoi(value))
 374                         ret = pno_start(wpa_s);
 375                 else
 376                         ret = pno_stop(wpa_s);
 377         } else if (os_strcasecmp(cmd, "radio_disabled") == 0) {
 378                 int disabled = atoi(value);
 379                 if (wpa_drv_radio_disable(wpa_s, disabled) < 0)
 380                         ret = -1;
 381                 else if (disabled)
 382                         wpa_supplicant_set_state(wpa_s, WPA_INACTIVE);
 383         } else if (os_strcasecmp(cmd, "uapsd") == 0) {
 384                 if (os_strcmp(value, "disable") == 0)
 385                         wpa_s->set_sta_uapsd = 0;
 386                 else {
 387                         int be, bk, vi, vo;
 388                         char *pos;
 389                         /* format: BE,BK,VI,VO;max SP Length */
 390                         be = atoi(value);
 391                         pos = os_strchr(value, ',');
 392                         if (pos == NULL)
 393                                 return -1;
 394                         pos++;
 395                         bk = atoi(pos);
 396                         pos = os_strchr(pos, ',');
 397                         if (pos == NULL)
 398                                 return -1;
 399                         pos++;
 400                         vi = atoi(pos);
 401                         pos = os_strchr(pos, ',');
 402                         if (pos == NULL)
 403                                 return -1;
 404                         pos++;
 405                         vo = atoi(pos);
 406                         /* ignore max SP Length for now */
 407
 408                         wpa_s->set_sta_uapsd = 1;
 409                         wpa_s->sta_uapsd = 0;
 410                         if (be)
 411                                 wpa_s->sta_uapsd |= BIT(0);
 412                         if (bk)
 413                                 wpa_s->sta_uapsd |= BIT(1);
 414                         if (vi)
 415                                 wpa_s->sta_uapsd |= BIT(2);
 416                         if (vo)
 417                                 wpa_s->sta_uapsd |= BIT(3);
 418                 }
 419         } else if (os_strcasecmp(cmd, "ps") == 0) {
 420                 ret = wpa_drv_set_p2p_powersave(wpa_s, atoi(value), -1, -1);
 421 #ifdef CONFIG_WIFI_DISPLAY
 422         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 423                 wifi_display_enable(wpa_s->global, !!atoi(value));
 424 #endif /* CONFIG_WIFI_DISPLAY */
 425         } else if (os_strcasecmp(cmd, "bssid_filter") == 0) {
 426                 ret = set_bssid_filter(wpa_s, value);
 427         } else if (os_strcasecmp(cmd, "disallow_aps") == 0) {
 428                 ret = set_disallow_aps(wpa_s, value);
 429         } else if (os_strcasecmp(cmd, "no_keep_alive") == 0) {
 430                 wpa_s->no_keep_alive = !!atoi(value);
 431         } else {
 432                 value[-1] = '=';
 433                 ret = wpa_config_process_global(wpa_s->conf, cmd, -1);
 434                 if (ret == 0)
 435                         wpa_supplicant_update_config(wpa_s);
 436         }
 437
 438         return ret;
 439 }
 440
 441
 442 static int wpa_supplicant_ctrl_iface_get(struct wpa_supplicant *wpa_s,
 443                                          char *cmd, char *buf, size_t buflen)
 444 {
 445         int res = -1;
 446
 447         wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
 448
 449         if (os_strcmp(cmd, "version") == 0) {
 450                 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
 451         } else if (os_strcasecmp(cmd, "country") == 0) {
 452                 if (wpa_s->conf->country[0] && wpa_s->conf->country[1])
 453                         res = os_snprintf(buf, buflen, "%c%c",
 454                                           wpa_s->conf->country[0],
 455                                           wpa_s->conf->country[1]);
 456 #ifdef CONFIG_WIFI_DISPLAY
 457         } else if (os_strcasecmp(cmd, "wifi_display") == 0) {
 458                 res = os_snprintf(buf, buflen, "%d",
 459                                   wpa_s->global->wifi_display);
 460                 if (res < 0 || (unsigned int) res >= buflen)
 461                         return -1;
 462                 return res;
 463 #endif /* CONFIG_WIFI_DISPLAY */
 464         }
 465
 466         if (res < 0 || (unsigned int) res >= buflen)
 467                 return -1;
 468         return res;
 469 }
 470
 471
 472 #ifdef IEEE8021X_EAPOL
 473 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 474                                              char *addr)
 475 {
 476         u8 bssid[ETH_ALEN];
 477         struct wpa_ssid *ssid = wpa_s->current_ssid;
 478
 479         if (hwaddr_aton(addr, bssid)) {
 480                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 481                            "'%s'", addr);
 482                 return -1;
 483         }
 484
 485         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 486         rsn_preauth_deinit(wpa_s->wpa);
 487         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 488                 return -1;
 489
 490         return 0;
 491 }
 492 #endif /* IEEE8021X_EAPOL */
 493
 494
 495 #ifdef CONFIG_PEERKEY
 496 /* MLME-STKSTART.request(peer) */
 497 static int wpa_supplicant_ctrl_iface_stkstart(
 498         struct wpa_supplicant *wpa_s, char *addr)
 499 {
 500         u8 peer[ETH_ALEN];
 501
 502         if (hwaddr_aton(addr, peer)) {
 503                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 504                            "address '%s'", addr);
 505                 return -1;
 506         }
 507
 508         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 509                    MAC2STR(peer));
 510
 511         return wpa_sm_stkstart(wpa_s->wpa, peer);
 512 }
 513 #endif /* CONFIG_PEERKEY */
 514
 515
 516 #ifdef CONFIG_TDLS
 517
 518 static int wpa_supplicant_ctrl_iface_tdls_discover(
 519         struct wpa_supplicant *wpa_s, char *addr)
 520 {
 521         u8 peer[ETH_ALEN];
 522         int ret;
 523
 524         if (hwaddr_aton(addr, peer)) {
 525                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 526                            "address '%s'", addr);
 527                 return -1;
 528         }
 529
 530         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 531                    MAC2STR(peer));
 532
 533         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 534                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 535         else
 536                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 537
 538         return ret;
 539 }
 540
 541
 542 static int wpa_supplicant_ctrl_iface_tdls_setup(
 543         struct wpa_supplicant *wpa_s, char *addr)
 544 {
 545         u8 peer[ETH_ALEN];
 546         int ret;
 547
 548         if (hwaddr_aton(addr, peer)) {
 549                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 550                            "address '%s'", addr);
 551                 return -1;
 552         }
 553
 554         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 555                    MAC2STR(peer));
 556
 557         ret = wpa_tdls_reneg(wpa_s->wpa, peer);
 558         if (ret) {
 559                 if (wpa_tdls_is_external_setup(wpa_s->wpa))
 560                         ret = wpa_tdls_start(wpa_s->wpa, peer);
 561                 else
 562                         ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 563         }
 564
 565         return ret;
 566 }
 567
 568
 569 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 570         struct wpa_supplicant *wpa_s, char *addr)
 571 {
 572         u8 peer[ETH_ALEN];
 573
 574         if (hwaddr_aton(addr, peer)) {
 575                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 576                            "address '%s'", addr);
 577                 return -1;
 578         }
 579
 580         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 581                    MAC2STR(peer));
 582
 583         return wpa_tdls_teardown_link(wpa_s->wpa, peer,
 584                                       WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 585 }
 586
 587 #endif /* CONFIG_TDLS */
 588
 589
 590 #ifdef CONFIG_IEEE80211R
 591 static int wpa_supplicant_ctrl_iface_ft_ds(
 592         struct wpa_supplicant *wpa_s, char *addr)
 593 {
 594         u8 target_ap[ETH_ALEN];
 595         struct wpa_bss *bss;
 596         const u8 *mdie;
 597
 598         if (hwaddr_aton(addr, target_ap)) {
 599                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 600                            "address '%s'", addr);
 601                 return -1;
 602         }
 603
 604         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 605
 606         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 607         if (bss)
 608                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 609         else
 610                 mdie = NULL;
 611
 612         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 613 }
 614 #endif /* CONFIG_IEEE80211R */
 615
 616
 617 #ifdef CONFIG_WPS
 618 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 619                                              char *cmd)
 620 {
 621         u8 bssid[ETH_ALEN], *_bssid = bssid;
 622 #ifdef CONFIG_P2P
 623         u8 p2p_dev_addr[ETH_ALEN];
 624 #endif /* CONFIG_P2P */
 625 #ifdef CONFIG_AP
 626         u8 *_p2p_dev_addr = NULL;
 627 #endif /* CONFIG_AP */
 628
 629         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 630                 _bssid = NULL;
 631 #ifdef CONFIG_P2P
 632         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 633                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 634                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 635                                    "P2P Device Address '%s'",
 636                                    cmd + 13);
 637                         return -1;
 638                 }
 639                 _p2p_dev_addr = p2p_dev_addr;
 640 #endif /* CONFIG_P2P */
 641         } else if (hwaddr_aton(cmd, bssid)) {
 642                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 643                            cmd);
 644                 return -1;
 645         }
 646
 647 #ifdef CONFIG_AP
 648         if (wpa_s->ap_iface)
 649                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 650 #endif /* CONFIG_AP */
 651
 652         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 653 }
 654
 655
 656 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 657                                              char *cmd, char *buf,
 658                                              size_t buflen)
 659 {
 660         u8 bssid[ETH_ALEN], *_bssid = bssid;
 661         char *pin;
 662         int ret;
 663
 664         pin = os_strchr(cmd, ' ');
 665         if (pin)
 666                 *pin++ = '\0';
 667
 668         if (os_strcmp(cmd, "any") == 0)
 669                 _bssid = NULL;
 670         else if (os_strcmp(cmd, "get") == 0) {
 671                 ret = wps_generate_pin();
 672                 goto done;
 673         } else if (hwaddr_aton(cmd, bssid)) {
 674                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 675                            cmd);
 676                 return -1;
 677         }
 678
 679 #ifdef CONFIG_AP
 680         if (wpa_s->ap_iface) {
 681                 int timeout = 0;
 682                 char *pos;
 683
 684                 if (pin) {
 685                         pos = os_strchr(pin, ' ');
 686                         if (pos) {
 687                                 *pos++ = '\0';
 688                                 timeout = atoi(pos);
 689                         }
 690                 }
 691
 692                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 693                                                  buf, buflen, timeout);
 694         }
 695 #endif /* CONFIG_AP */
 696
 697         if (pin) {
 698                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 699                                          DEV_PW_DEFAULT);
 700                 if (ret < 0)
 701                         return -1;
 702                 ret = os_snprintf(buf, buflen, "%s", pin);
 703                 if (ret < 0 || (size_t) ret >= buflen)
 704                         return -1;
 705                 return ret;
 706         }
 707
 708         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 709         if (ret < 0)
 710                 return -1;
 711
 712 done:
 713         /* Return the generated PIN */
 714         ret = os_snprintf(buf, buflen, "%08d", ret);
 715         if (ret < 0 || (size_t) ret >= buflen)
 716                 return -1;
 717         return ret;
 718 }
 719
 720
 721 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 722         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 723 {
 724         char pin[9];
 725         size_t len;
 726         char *pos;
 727         int ret;
 728
 729         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 730                               (u8 *) cmd, os_strlen(cmd));
 731         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 732                 if (*pos < '0' || *pos > '9')
 733                         continue;
 734                 pin[len++] = *pos;
 735                 if (len == 9) {
 736                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 737                         return -1;
 738                 }
 739         }
 740         if (len != 4 && len != 8) {
 741                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 742                 return -1;
 743         }
 744         pin[len] = '\0';
 745
 746         if (len == 8) {
 747                 unsigned int pin_val;
 748                 pin_val = atoi(pin);
 749                 if (!wps_pin_valid(pin_val)) {
 750                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 751                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 752                         if (ret < 0 || (size_t) ret >= buflen)
 753                                 return -1;
 754                         return ret;
 755                 }
 756         }
 757
 758         ret = os_snprintf(buf, buflen, "%s", pin);
 759         if (ret < 0 || (size_t) ret >= buflen)
 760                 return -1;
 761
 762         return ret;
 763 }
 764
 765
 766 #ifdef CONFIG_WPS_NFC
 767
 768 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 769                                              char *cmd)
 770 {
 771         u8 bssid[ETH_ALEN], *_bssid = bssid;
 772
 773         if (cmd == NULL || cmd[0] == '\0')
 774                 _bssid = NULL;
 775         else if (hwaddr_aton(cmd, bssid))
 776                 return -1;
 777
 778         return wpas_wps_start_nfc(wpa_s, _bssid);
 779 }
 780
 781
 782 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 783         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 784 {
 785         int ndef;
 786         struct wpabuf *buf;
 787         int res;
 788
 789         if (os_strcmp(cmd, "WPS") == 0)
 790                 ndef = 0;
 791         else if (os_strcmp(cmd, "NDEF") == 0)
 792                 ndef = 1;
 793         else
 794                 return -1;
 795
 796         buf = wpas_wps_nfc_token(wpa_s, ndef);
 797         if (buf == NULL)
 798                 return -1;
 799
 800         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 801                                          wpabuf_len(buf));
 802         reply[res++] = '\n';
 803         reply[res] = '\0';
 804
 805         wpabuf_free(buf);
 806
 807         return res;
 808 }
 809
 810
 811 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 812         struct wpa_supplicant *wpa_s, char *pos)
 813 {
 814         size_t len;
 815         struct wpabuf *buf;
 816         int ret;
 817
 818         len = os_strlen(pos);
 819         if (len & 0x01)
 820                 return -1;
 821         len /= 2;
 822
 823         buf = wpabuf_alloc(len);
 824         if (buf == NULL)
 825                 return -1;
 826         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 827                 wpabuf_free(buf);
 828                 return -1;
 829         }
 830
 831         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 832         wpabuf_free(buf);
 833
 834         return ret;
 835 }
 836
 837
 838 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 839                                               char *reply, size_t max_len)
 840 {
 841         struct wpabuf *buf;
 842         int res;
 843
 844         buf = wpas_wps_nfc_handover_req(wpa_s);
 845         if (buf == NULL)
 846                 return -1;
 847
 848         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 849                                          wpabuf_len(buf));
 850         reply[res++] = '\n';
 851         reply[res] = '\0';
 852
 853         wpabuf_free(buf);
 854
 855         return res;
 856 }
 857
 858
 859 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 860                                           char *cmd, char *reply,
 861                                           size_t max_len)
 862 {
 863         char *pos;
 864
 865         pos = os_strchr(cmd, ' ');
 866         if (pos == NULL)
 867                 return -1;
 868         *pos++ = '\0';
 869
 870         if (os_strcmp(cmd, "NDEF") != 0)
 871                 return -1;
 872
 873         if (os_strcmp(pos, "WPS") == 0) {
 874                 return wpas_ctrl_nfc_get_handover_req_wps(wpa_s, reply,
 875                                                           max_len);
 876         }
 877
 878         return -1;
 879 }
 880
 881
 882 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
 883                                               char *reply, size_t max_len)
 884 {
 885         struct wpabuf *buf;
 886         int res;
 887
 888         buf = wpas_wps_nfc_handover_sel(wpa_s);
 889         if (buf == NULL)
 890                 return -1;
 891
 892         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 893                                          wpabuf_len(buf));
 894         reply[res++] = '\n';
 895         reply[res] = '\0';
 896
 897         wpabuf_free(buf);
 898
 899         return res;
 900 }
 901
 902
 903 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
 904                                           char *cmd, char *reply,
 905                                           size_t max_len)
 906 {
 907         char *pos;
 908
 909         pos = os_strchr(cmd, ' ');
 910         if (pos == NULL)
 911                 return -1;
 912         *pos++ = '\0';
 913
 914         if (os_strcmp(cmd, "NDEF") != 0)
 915                 return -1;
 916
 917         if (os_strcmp(pos, "WPS") == 0) {
 918                 return wpas_ctrl_nfc_get_handover_sel_wps(wpa_s, reply,
 919                                                           max_len);
 920         }
 921
 922         return -1;
 923 }
 924
 925
 926 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
 927                                          char *cmd, char *reply,
 928                                          size_t max_len)
 929 {
 930         size_t len;
 931         struct wpabuf *buf;
 932         int ret;
 933
 934         len = os_strlen(cmd);
 935         if (len & 0x01)
 936                 return -1;
 937         len /= 2;
 938
 939         buf = wpabuf_alloc(len);
 940         if (buf == NULL)
 941                 return -1;
 942         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 943                 wpabuf_free(buf);
 944                 return -1;
 945         }
 946
 947         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
 948         wpabuf_free(buf);
 949
 950         return ret;
 951 }
 952
 953
 954 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
 955                                          char *cmd)
 956 {
 957         size_t len;
 958         struct wpabuf *buf;
 959         int ret;
 960
 961         len = os_strlen(cmd);
 962         if (len & 0x01)
 963                 return -1;
 964         len /= 2;
 965
 966         buf = wpabuf_alloc(len);
 967         if (buf == NULL)
 968                 return -1;
 969         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 970                 wpabuf_free(buf);
 971                 return -1;
 972         }
 973
 974         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
 975         wpabuf_free(buf);
 976
 977         return ret;
 978 }
 979
 980 #endif /* CONFIG_WPS_NFC */
 981
 982
 983 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
 984                                              char *cmd)
 985 {
 986         u8 bssid[ETH_ALEN];
 987         char *pin;
 988         char *new_ssid;
 989         char *new_auth;
 990         char *new_encr;
 991         char *new_key;
 992         struct wps_new_ap_settings ap;
 993
 994         pin = os_strchr(cmd, ' ');
 995         if (pin == NULL)
 996                 return -1;
 997         *pin++ = '\0';
 998
 999         if (hwaddr_aton(cmd, bssid)) {
1000                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1001                            cmd);
1002                 return -1;
1003         }
1004
1005         new_ssid = os_strchr(pin, ' ');
1006         if (new_ssid == NULL)
1007                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1008         *new_ssid++ = '\0';
1009
1010         new_auth = os_strchr(new_ssid, ' ');
1011         if (new_auth == NULL)
1012                 return -1;
1013         *new_auth++ = '\0';
1014
1015         new_encr = os_strchr(new_auth, ' ');
1016         if (new_encr == NULL)
1017                 return -1;
1018         *new_encr++ = '\0';
1019
1020         new_key = os_strchr(new_encr, ' ');
1021         if (new_key == NULL)
1022                 return -1;
1023         *new_key++ = '\0';
1024
1025         os_memset(&ap, 0, sizeof(ap));
1026         ap.ssid_hex = new_ssid;
1027         ap.auth = new_auth;
1028         ap.encr = new_encr;
1029         ap.key_hex = new_key;
1030         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1031 }
1032
1033
1034 #ifdef CONFIG_AP
1035 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1036                                                 char *cmd, char *buf,
1037                                                 size_t buflen)
1038 {
1039         int timeout = 300;
1040         char *pos;
1041         const char *pin_txt;
1042
1043         if (!wpa_s->ap_iface)
1044                 return -1;
1045
1046         pos = os_strchr(cmd, ' ');
1047         if (pos)
1048                 *pos++ = '\0';
1049
1050         if (os_strcmp(cmd, "disable") == 0) {
1051                 wpas_wps_ap_pin_disable(wpa_s);
1052                 return os_snprintf(buf, buflen, "OK\n");
1053         }
1054
1055         if (os_strcmp(cmd, "random") == 0) {
1056                 if (pos)
1057                         timeout = atoi(pos);
1058                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1059                 if (pin_txt == NULL)
1060                         return -1;
1061                 return os_snprintf(buf, buflen, "%s", pin_txt);
1062         }
1063
1064         if (os_strcmp(cmd, "get") == 0) {
1065                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1066                 if (pin_txt == NULL)
1067                         return -1;
1068                 return os_snprintf(buf, buflen, "%s", pin_txt);
1069         }
1070
1071         if (os_strcmp(cmd, "set") == 0) {
1072                 char *pin;
1073                 if (pos == NULL)
1074                         return -1;
1075                 pin = pos;
1076                 pos = os_strchr(pos, ' ');
1077                 if (pos) {
1078                         *pos++ = '\0';
1079                         timeout = atoi(pos);
1080                 }
1081                 if (os_strlen(pin) > buflen)
1082                         return -1;
1083                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1084                         return -1;
1085                 return os_snprintf(buf, buflen, "%s", pin);
1086         }
1087
1088         return -1;
1089 }
1090 #endif /* CONFIG_AP */
1091
1092
1093 #ifdef CONFIG_WPS_ER
1094 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1095                                                 char *cmd)
1096 {
1097         char *uuid = cmd, *pin, *pos;
1098         u8 addr_buf[ETH_ALEN], *addr = NULL;
1099         pin = os_strchr(uuid, ' ');
1100         if (pin == NULL)
1101                 return -1;
1102         *pin++ = '\0';
1103         pos = os_strchr(pin, ' ');
1104         if (pos) {
1105                 *pos++ = '\0';
1106                 if (hwaddr_aton(pos, addr_buf) == 0)
1107                         addr = addr_buf;
1108         }
1109         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1110 }
1111
1112
1113 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1114                                                   char *cmd)
1115 {
1116         char *uuid = cmd, *pin;
1117         pin = os_strchr(uuid, ' ');
1118         if (pin == NULL)
1119                 return -1;
1120         *pin++ = '\0';
1121         return wpas_wps_er_learn(wpa_s, uuid, pin);
1122 }
1123
1124
1125 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1126         struct wpa_supplicant *wpa_s, char *cmd)
1127 {
1128         char *uuid = cmd, *id;
1129         id = os_strchr(uuid, ' ');
1130         if (id == NULL)
1131                 return -1;
1132         *id++ = '\0';
1133         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1134 }
1135
1136
1137 static int wpa_supplicant_ctrl_iface_wps_er_config(
1138         struct wpa_supplicant *wpa_s, char *cmd)
1139 {
1140         char *pin;
1141         char *new_ssid;
1142         char *new_auth;
1143         char *new_encr;
1144         char *new_key;
1145         struct wps_new_ap_settings ap;
1146
1147         pin = os_strchr(cmd, ' ');
1148         if (pin == NULL)
1149                 return -1;
1150         *pin++ = '\0';
1151
1152         new_ssid = os_strchr(pin, ' ');
1153         if (new_ssid == NULL)
1154                 return -1;
1155         *new_ssid++ = '\0';
1156
1157         new_auth = os_strchr(new_ssid, ' ');
1158         if (new_auth == NULL)
1159                 return -1;
1160         *new_auth++ = '\0';
1161
1162         new_encr = os_strchr(new_auth, ' ');
1163         if (new_encr == NULL)
1164                 return -1;
1165         *new_encr++ = '\0';
1166
1167         new_key = os_strchr(new_encr, ' ');
1168         if (new_key == NULL)
1169                 return -1;
1170         *new_key++ = '\0';
1171
1172         os_memset(&ap, 0, sizeof(ap));
1173         ap.ssid_hex = new_ssid;
1174         ap.auth = new_auth;
1175         ap.encr = new_encr;
1176         ap.key_hex = new_key;
1177         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1178 }
1179
1180
1181 #ifdef CONFIG_WPS_NFC
1182 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1183         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1184 {
1185         int ndef;
1186         struct wpabuf *buf;
1187         int res;
1188         char *uuid;
1189
1190         uuid = os_strchr(cmd, ' ');
1191         if (uuid == NULL)
1192                 return -1;
1193         *uuid++ = '\0';
1194
1195         if (os_strcmp(cmd, "WPS") == 0)
1196                 ndef = 0;
1197         else if (os_strcmp(cmd, "NDEF") == 0)
1198                 ndef = 1;
1199         else
1200                 return -1;
1201
1202         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1203         if (buf == NULL)
1204                 return -1;
1205
1206         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1207                                          wpabuf_len(buf));
1208         reply[res++] = '\n';
1209         reply[res] = '\0';
1210
1211         wpabuf_free(buf);
1212
1213         return res;
1214 }
1215 #endif /* CONFIG_WPS_NFC */
1216 #endif /* CONFIG_WPS_ER */
1217
1218 #endif /* CONFIG_WPS */
1219
1220
1221 #ifdef CONFIG_IBSS_RSN
1222 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1223         struct wpa_supplicant *wpa_s, char *addr)
1224 {
1225         u8 peer[ETH_ALEN];
1226
1227         if (hwaddr_aton(addr, peer)) {
1228                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1229                            "address '%s'", addr);
1230                 return -1;
1231         }
1232
1233         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1234                    MAC2STR(peer));
1235
1236         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1237 }
1238 #endif /* CONFIG_IBSS_RSN */
1239
1240
1241 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1242                                               char *rsp)
1243 {
1244 #ifdef IEEE8021X_EAPOL
1245         char *pos, *id_pos;
1246         int id;
1247         struct wpa_ssid *ssid;
1248
1249         pos = os_strchr(rsp, '-');
1250         if (pos == NULL)
1251                 return -1;
1252         *pos++ = '\0';
1253         id_pos = pos;
1254         pos = os_strchr(pos, ':');
1255         if (pos == NULL)
1256                 return -1;
1257         *pos++ = '\0';
1258         id = atoi(id_pos);
1259         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1260         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1261                               (u8 *) pos, os_strlen(pos));
1262
1263         ssid = wpa_config_get_network(wpa_s->conf, id);
1264         if (ssid == NULL) {
1265                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1266                            "to update", id);
1267                 return -1;
1268         }
1269
1270         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1271                                                          pos);
1272 #else /* IEEE8021X_EAPOL */
1273         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1274         return -1;
1275 #endif /* IEEE8021X_EAPOL */
1276 }
1277
1278
1279 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1280                                             const char *params,
1281                                             char *buf, size_t buflen)
1282 {
1283         char *pos, *end, tmp[30];
1284         int res, verbose, wps, ret;
1285
1286         verbose = os_strcmp(params, "-VERBOSE") == 0;
1287         wps = os_strcmp(params, "-WPS") == 0;
1288         pos = buf;
1289         end = buf + buflen;
1290         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1291                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1292                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1293                                   MAC2STR(wpa_s->bssid));
1294                 if (ret < 0 || ret >= end - pos)
1295                         return pos - buf;
1296                 pos += ret;
1297                 if (ssid) {
1298                         u8 *_ssid = ssid->ssid;
1299                         size_t ssid_len = ssid->ssid_len;
1300                         u8 ssid_buf[MAX_SSID_LEN];
1301                         if (ssid_len == 0) {
1302                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1303                                 if (_res < 0)
1304                                         ssid_len = 0;
1305                                 else
1306                                         ssid_len = _res;
1307                                 _ssid = ssid_buf;
1308                         }
1309                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1310                                           wpa_ssid_txt(_ssid, ssid_len),
1311                                           ssid->id);
1312                         if (ret < 0 || ret >= end - pos)
1313                                 return pos - buf;
1314                         pos += ret;
1315
1316                         if (wps && ssid->passphrase &&
1317                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1318                             (ssid->mode == WPAS_MODE_AP ||
1319                              ssid->mode == WPAS_MODE_P2P_GO)) {
1320                                 ret = os_snprintf(pos, end - pos,
1321                                                   "passphrase=%s\n",
1322                                                   ssid->passphrase);
1323                                 if (ret < 0 || ret >= end - pos)
1324                                         return pos - buf;
1325                                 pos += ret;
1326                         }
1327                         if (ssid->id_str) {
1328                                 ret = os_snprintf(pos, end - pos,
1329                                                   "id_str=%s\n",
1330                                                   ssid->id_str);
1331                                 if (ret < 0 || ret >= end - pos)
1332                                         return pos - buf;
1333                                 pos += ret;
1334                         }
1335
1336                         switch (ssid->mode) {
1337                         case WPAS_MODE_INFRA:
1338                                 ret = os_snprintf(pos, end - pos,
1339                                                   "mode=station\n");
1340                                 break;
1341                         case WPAS_MODE_IBSS:
1342                                 ret = os_snprintf(pos, end - pos,
1343                                                   "mode=IBSS\n");
1344                                 break;
1345                         case WPAS_MODE_AP:
1346                                 ret = os_snprintf(pos, end - pos,
1347                                                   "mode=AP\n");
1348                                 break;
1349                         case WPAS_MODE_P2P_GO:
1350                                 ret = os_snprintf(pos, end - pos,
1351                                                   "mode=P2P GO\n");
1352                                 break;
1353                         case WPAS_MODE_P2P_GROUP_FORMATION:
1354                                 ret = os_snprintf(pos, end - pos,
1355                                                   "mode=P2P GO - group "
1356                                                   "formation\n");
1357                                 break;
1358                         default:
1359                                 ret = 0;
1360                                 break;
1361                         }
1362                         if (ret < 0 || ret >= end - pos)
1363                                 return pos - buf;
1364                         pos += ret;
1365                 }
1366
1367 #ifdef CONFIG_AP
1368                 if (wpa_s->ap_iface) {
1369                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1370                                                             end - pos,
1371                                                             verbose);
1372                 } else
1373 #endif /* CONFIG_AP */
1374                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1375         }
1376 #ifdef CONFIG_SAE
1377         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1378             wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1379                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1380                                   wpa_s->sme.sae.group);
1381                 if (ret < 0 || ret >= end - pos)
1382                         return pos - buf;
1383                 pos += ret;
1384         }
1385 #endif /* CONFIG_SAE */
1386         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1387                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1388         if (ret < 0 || ret >= end - pos)
1389                 return pos - buf;
1390         pos += ret;
1391
1392         if (wpa_s->l2 &&
1393             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1394                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1395                 if (ret < 0 || ret >= end - pos)
1396                         return pos - buf;
1397                 pos += ret;
1398         }
1399
1400 #ifdef CONFIG_P2P
1401         if (wpa_s->global->p2p) {
1402                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1403                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1404                 if (ret < 0 || ret >= end - pos)
1405                         return pos - buf;
1406                 pos += ret;
1407         }
1408 #endif /* CONFIG_P2P */
1409
1410         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1411                           MAC2STR(wpa_s->own_addr));
1412         if (ret < 0 || ret >= end - pos)
1413                 return pos - buf;
1414         pos += ret;
1415
1416 #ifdef CONFIG_HS20
1417         if (wpa_s->current_bss &&
1418             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1419             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1420             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1421                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1422                 if (ret < 0 || ret >= end - pos)
1423                         return pos - buf;
1424                 pos += ret;
1425         }
1426
1427         if (wpa_s->current_ssid) {
1428                 struct wpa_cred *cred;
1429                 char *type;
1430
1431                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1432                         if (wpa_s->current_ssid->parent_cred != cred)
1433                                 continue;
1434                         if (!cred->domain)
1435                                 continue;
1436
1437                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1438                                           cred->domain);
1439                         if (ret < 0 || ret >= end - pos)
1440                                 return pos - buf;
1441                         pos += ret;
1442
1443                         if (wpa_s->current_bss == NULL ||
1444                             wpa_s->current_bss->anqp == NULL)
1445                                 res = -1;
1446                         else
1447                                 res = interworking_home_sp_cred(
1448                                         wpa_s, cred,
1449                                         wpa_s->current_bss->anqp->domain_name);
1450                         if (res > 0)
1451                                 type = "home";
1452                         else if (res == 0)
1453                                 type = "roaming";
1454                         else
1455                                 type = "unknown";
1456
1457                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1458                         if (ret < 0 || ret >= end - pos)
1459                                 return pos - buf;
1460                         pos += ret;
1461
1462                         break;
1463                 }
1464         }
1465 #endif /* CONFIG_HS20 */
1466
1467         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1468             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1469                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1470                                           verbose);
1471                 if (res >= 0)
1472                         pos += res;
1473         }
1474
1475         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1476         if (res >= 0)
1477                 pos += res;
1478
1479         return pos - buf;
1480 }
1481
1482
1483 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1484                                            char *cmd)
1485 {
1486         char *pos;
1487         int id;
1488         struct wpa_ssid *ssid;
1489         u8 bssid[ETH_ALEN];
1490
1491         /* cmd: "<network id> <BSSID>" */
1492         pos = os_strchr(cmd, ' ');
1493         if (pos == NULL)
1494                 return -1;
1495         *pos++ = '\0';
1496         id = atoi(cmd);
1497         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1498         if (hwaddr_aton(pos, bssid)) {
1499                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1500                 return -1;
1501         }
1502
1503         ssid = wpa_config_get_network(wpa_s->conf, id);
1504         if (ssid == NULL) {
1505                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1506                            "to update", id);
1507                 return -1;
1508         }
1509
1510         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1511         ssid->bssid_set = !is_zero_ether_addr(bssid);
1512
1513         return 0;
1514 }
1515
1516
1517 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1518                                                char *cmd, char *buf,
1519                                                size_t buflen)
1520 {
1521         u8 bssid[ETH_ALEN];
1522         struct wpa_blacklist *e;
1523         char *pos, *end;
1524         int ret;
1525
1526         /* cmd: "BLACKLIST [<BSSID>]" */
1527         if (*cmd == '\0') {
1528                 pos = buf;
1529                 end = buf + buflen;
1530                 e = wpa_s->blacklist;
1531                 while (e) {
1532                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1533                                           MAC2STR(e->bssid));
1534                         if (ret < 0 || ret >= end - pos)
1535                                 return pos - buf;
1536                         pos += ret;
1537                         e = e->next;
1538                 }
1539                 return pos - buf;
1540         }
1541
1542         cmd++;
1543         if (os_strncmp(cmd, "clear", 5) == 0) {
1544                 wpa_blacklist_clear(wpa_s);
1545                 os_memcpy(buf, "OK\n", 3);
1546                 return 3;
1547         }
1548
1549         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1550         if (hwaddr_aton(cmd, bssid)) {
1551                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1552                 return -1;
1553         }
1554
1555         /*
1556          * Add the BSSID twice, so its count will be 2, causing it to be
1557          * skipped when processing scan results.
1558          */
1559         ret = wpa_blacklist_add(wpa_s, bssid);
1560         if (ret != 0)
1561                 return -1;
1562         ret = wpa_blacklist_add(wpa_s, bssid);
1563         if (ret != 0)
1564                 return -1;
1565         os_memcpy(buf, "OK\n", 3);
1566         return 3;
1567 }
1568
1569
1570 extern int wpa_debug_level;
1571 extern int wpa_debug_timestamp;
1572
1573 static const char * debug_level_str(int level)
1574 {
1575         switch (level) {
1576         case MSG_EXCESSIVE:
1577                 return "EXCESSIVE";
1578         case MSG_MSGDUMP:
1579                 return "MSGDUMP";
1580         case MSG_DEBUG:
1581                 return "DEBUG";
1582         case MSG_INFO:
1583                 return "INFO";
1584         case MSG_WARNING:
1585                 return "WARNING";
1586         case MSG_ERROR:
1587                 return "ERROR";
1588         default:
1589                 return "?";
1590         }
1591 }
1592
1593
1594 static int str_to_debug_level(const char *s)
1595 {
1596         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1597                 return MSG_EXCESSIVE;
1598         if (os_strcasecmp(s, "MSGDUMP") == 0)
1599                 return MSG_MSGDUMP;
1600         if (os_strcasecmp(s, "DEBUG") == 0)
1601                 return MSG_DEBUG;
1602         if (os_strcasecmp(s, "INFO") == 0)
1603                 return MSG_INFO;
1604         if (os_strcasecmp(s, "WARNING") == 0)
1605                 return MSG_WARNING;
1606         if (os_strcasecmp(s, "ERROR") == 0)
1607                 return MSG_ERROR;
1608         return -1;
1609 }
1610
1611
1612 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1613                                                char *cmd, char *buf,
1614                                                size_t buflen)
1615 {
1616         char *pos, *end, *stamp;
1617         int ret;
1618
1619         if (cmd == NULL) {
1620                 return -1;
1621         }
1622
1623         /* cmd: "LOG_LEVEL [<level>]" */
1624         if (*cmd == '\0') {
1625                 pos = buf;
1626                 end = buf + buflen;
1627                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1628                                   "Timestamp: %d\n",
1629                                   debug_level_str(wpa_debug_level),
1630                                   wpa_debug_timestamp);
1631                 if (ret < 0 || ret >= end - pos)
1632                         ret = 0;
1633
1634                 return ret;
1635         }
1636
1637         while (*cmd == ' ')
1638                 cmd++;
1639
1640         stamp = os_strchr(cmd, ' ');
1641         if (stamp) {
1642                 *stamp++ = '\0';
1643                 while (*stamp == ' ') {
1644                         stamp++;
1645                 }
1646         }
1647
1648         if (cmd && os_strlen(cmd)) {
1649                 int level = str_to_debug_level(cmd);
1650                 if (level < 0)
1651                         return -1;
1652                 wpa_debug_level = level;
1653         }
1654
1655         if (stamp && os_strlen(stamp))
1656                 wpa_debug_timestamp = atoi(stamp);
1657
1658         os_memcpy(buf, "OK\n", 3);
1659         return 3;
1660 }
1661
1662
1663 static int wpa_supplicant_ctrl_iface_list_networks(
1664         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1665 {
1666         char *pos, *end;
1667         struct wpa_ssid *ssid;
1668         int ret;
1669
1670         pos = buf;
1671         end = buf + buflen;
1672         ret = os_snprintf(pos, end - pos,
1673                           "network id / ssid / bssid / flags\n");
1674         if (ret < 0 || ret >= end - pos)
1675                 return pos - buf;
1676         pos += ret;
1677
1678         ssid = wpa_s->conf->ssid;
1679         while (ssid) {
1680                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1681                                   ssid->id,
1682                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1683                 if (ret < 0 || ret >= end - pos)
1684                         return pos - buf;
1685                 pos += ret;
1686                 if (ssid->bssid_set) {
1687                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1688                                           MAC2STR(ssid->bssid));
1689                 } else {
1690                         ret = os_snprintf(pos, end - pos, "\tany");
1691                 }
1692                 if (ret < 0 || ret >= end - pos)
1693                         return pos - buf;
1694                 pos += ret;
1695                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1696                                   ssid == wpa_s->current_ssid ?
1697                                   "[CURRENT]" : "",
1698                                   ssid->disabled ? "[DISABLED]" : "",
1699                                   ssid->disabled_until.sec ?
1700                                   "[TEMP-DISABLED]" : "",
1701                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1702                                   "");
1703                 if (ret < 0 || ret >= end - pos)
1704                         return pos - buf;
1705                 pos += ret;
1706                 ret = os_snprintf(pos, end - pos, "\n");
1707                 if (ret < 0 || ret >= end - pos)
1708                         return pos - buf;
1709                 pos += ret;
1710
1711                 ssid = ssid->next;
1712         }
1713
1714         return pos - buf;
1715 }
1716
1717
1718 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1719 {
1720         int ret;
1721         ret = os_snprintf(pos, end - pos, "-");
1722         if (ret < 0 || ret >= end - pos)
1723                 return pos;
1724         pos += ret;
1725         ret = wpa_write_ciphers(pos, end, cipher, "+");
1726         if (ret < 0)
1727                 return pos;
1728         pos += ret;
1729         return pos;
1730 }
1731
1732
1733 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1734                                     const u8 *ie, size_t ie_len)
1735 {
1736         struct wpa_ie_data data;
1737         int first, ret;
1738
1739         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1740         if (ret < 0 || ret >= end - pos)
1741                 return pos;
1742         pos += ret;
1743
1744         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1745                 ret = os_snprintf(pos, end - pos, "?]");
1746                 if (ret < 0 || ret >= end - pos)
1747                         return pos;
1748                 pos += ret;
1749                 return pos;
1750         }
1751
1752         first = 1;
1753         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1754                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1755                 if (ret < 0 || ret >= end - pos)
1756                         return pos;
1757                 pos += ret;
1758                 first = 0;
1759         }
1760         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1761                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1762                 if (ret < 0 || ret >= end - pos)
1763                         return pos;
1764                 pos += ret;
1765                 first = 0;
1766         }
1767         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1768                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1769                 if (ret < 0 || ret >= end - pos)
1770                         return pos;
1771                 pos += ret;
1772                 first = 0;
1773         }
1774 #ifdef CONFIG_IEEE80211R
1775         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1776                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1777                                   first ? "" : "+");
1778                 if (ret < 0 || ret >= end - pos)
1779                         return pos;
1780                 pos += ret;
1781                 first = 0;
1782         }
1783         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1784                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1785                                   first ? "" : "+");
1786                 if (ret < 0 || ret >= end - pos)
1787                         return pos;
1788                 pos += ret;
1789                 first = 0;
1790         }
1791 #endif /* CONFIG_IEEE80211R */
1792 #ifdef CONFIG_IEEE80211W
1793         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1794                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1795                                   first ? "" : "+");
1796                 if (ret < 0 || ret >= end - pos)
1797                         return pos;
1798                 pos += ret;
1799                 first = 0;
1800         }
1801         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1802                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1803                                   first ? "" : "+");
1804                 if (ret < 0 || ret >= end - pos)
1805                         return pos;
1806                 pos += ret;
1807                 first = 0;
1808         }
1809 #endif /* CONFIG_IEEE80211W */
1810
1811         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1812
1813         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1814                 ret = os_snprintf(pos, end - pos, "-preauth");
1815                 if (ret < 0 || ret >= end - pos)
1816                         return pos;
1817                 pos += ret;
1818         }
1819
1820         ret = os_snprintf(pos, end - pos, "]");
1821         if (ret < 0 || ret >= end - pos)
1822                 return pos;
1823         pos += ret;
1824
1825         return pos;
1826 }
1827
1828
1829 #ifdef CONFIG_WPS
1830 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1831                                             char *pos, char *end,
1832                                             struct wpabuf *wps_ie)
1833 {
1834         int ret;
1835         const char *txt;
1836
1837         if (wps_ie == NULL)
1838                 return pos;
1839         if (wps_is_selected_pbc_registrar(wps_ie))
1840                 txt = "[WPS-PBC]";
1841 #ifdef CONFIG_WPS2
1842         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1843                 txt = "[WPS-AUTH]";
1844 #endif /* CONFIG_WPS2 */
1845         else if (wps_is_selected_pin_registrar(wps_ie))
1846                 txt = "[WPS-PIN]";
1847         else
1848                 txt = "[WPS]";
1849
1850         ret = os_snprintf(pos, end - pos, "%s", txt);
1851         if (ret >= 0 && ret < end - pos)
1852                 pos += ret;
1853         wpabuf_free(wps_ie);
1854         return pos;
1855 }
1856 #endif /* CONFIG_WPS */
1857
1858
1859 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1860                                         char *pos, char *end,
1861                                         const struct wpa_bss *bss)
1862 {
1863 #ifdef CONFIG_WPS
1864         struct wpabuf *wps_ie;
1865         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1866         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1867 #else /* CONFIG_WPS */
1868         return pos;
1869 #endif /* CONFIG_WPS */
1870 }
1871
1872
1873 /* Format one result on one text line into a buffer. */
1874 static int wpa_supplicant_ctrl_iface_scan_result(
1875         struct wpa_supplicant *wpa_s,
1876         const struct wpa_bss *bss, char *buf, size_t buflen)
1877 {
1878         char *pos, *end;
1879         int ret;
1880         const u8 *ie, *ie2, *p2p;
1881
1882         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
1883         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
1884             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
1885             0)
1886                 return 0; /* Do not show P2P listen discovery results here */
1887
1888         pos = buf;
1889         end = buf + buflen;
1890
1891         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
1892                           MAC2STR(bss->bssid), bss->freq, bss->level);
1893         if (ret < 0 || ret >= end - pos)
1894                 return -1;
1895         pos += ret;
1896         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
1897         if (ie)
1898                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
1899         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
1900         if (ie2)
1901                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
1902         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
1903         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
1904                 ret = os_snprintf(pos, end - pos, "[WEP]");
1905                 if (ret < 0 || ret >= end - pos)
1906                         return -1;
1907                 pos += ret;
1908         }
1909         if (bss->caps & IEEE80211_CAP_IBSS) {
1910                 ret = os_snprintf(pos, end - pos, "[IBSS]");
1911                 if (ret < 0 || ret >= end - pos)
1912                         return -1;
1913                 pos += ret;
1914         }
1915         if (bss->caps & IEEE80211_CAP_ESS) {
1916                 ret = os_snprintf(pos, end - pos, "[ESS]");
1917                 if (ret < 0 || ret >= end - pos)
1918                         return -1;
1919                 pos += ret;
1920         }
1921         if (p2p) {
1922                 ret = os_snprintf(pos, end - pos, "[P2P]");
1923                 if (ret < 0 || ret >= end - pos)
1924                         return -1;
1925                 pos += ret;
1926         }
1927 #ifdef CONFIG_HS20
1928         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
1929                 ret = os_snprintf(pos, end - pos, "[HS20]");
1930                 if (ret < 0 || ret >= end - pos)
1931                         return -1;
1932                 pos += ret;
1933         }
1934 #endif /* CONFIG_HS20 */
1935
1936         ret = os_snprintf(pos, end - pos, "\t%s",
1937                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
1938         if (ret < 0 || ret >= end - pos)
1939                 return -1;
1940         pos += ret;
1941
1942         ret = os_snprintf(pos, end - pos, "\n");
1943         if (ret < 0 || ret >= end - pos)
1944                 return -1;
1945         pos += ret;
1946
1947         return pos - buf;
1948 }
1949
1950
1951 static int wpa_supplicant_ctrl_iface_scan_results(
1952         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1953 {
1954         char *pos, *end;
1955         struct wpa_bss *bss;
1956         int ret;
1957
1958         pos = buf;
1959         end = buf + buflen;
1960         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
1961                           "flags / ssid\n");
1962         if (ret < 0 || ret >= end - pos)
1963                 return pos - buf;
1964         pos += ret;
1965
1966         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
1967                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
1968                                                             end - pos);
1969                 if (ret < 0 || ret >= end - pos)
1970                         return pos - buf;
1971                 pos += ret;
1972         }
1973
1974         return pos - buf;
1975 }
1976
1977
1978 static int wpa_supplicant_ctrl_iface_select_network(
1979         struct wpa_supplicant *wpa_s, char *cmd)
1980 {
1981         int id;
1982         struct wpa_ssid *ssid;
1983
1984         /* cmd: "<network id>" or "any" */
1985         if (os_strcmp(cmd, "any") == 0) {
1986                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
1987                 ssid = NULL;
1988         } else {
1989                 id = atoi(cmd);
1990                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
1991
1992                 ssid = wpa_config_get_network(wpa_s->conf, id);
1993                 if (ssid == NULL) {
1994                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
1995                                    "network id=%d", id);
1996                         return -1;
1997                 }
1998                 if (ssid->disabled == 2) {
1999                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2000                                    "SELECT_NETWORK with persistent P2P group");
2001                         return -1;
2002                 }
2003         }
2004
2005         wpa_supplicant_select_network(wpa_s, ssid);
2006
2007         return 0;
2008 }
2009
2010
2011 static int wpa_supplicant_ctrl_iface_enable_network(
2012         struct wpa_supplicant *wpa_s, char *cmd)
2013 {
2014         int id;
2015         struct wpa_ssid *ssid;
2016
2017         /* cmd: "<network id>" or "all" */
2018         if (os_strcmp(cmd, "all") == 0) {
2019                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2020                 ssid = NULL;
2021         } else {
2022                 id = atoi(cmd);
2023                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2024
2025                 ssid = wpa_config_get_network(wpa_s->conf, id);
2026                 if (ssid == NULL) {
2027                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2028                                    "network id=%d", id);
2029                         return -1;
2030                 }
2031                 if (ssid->disabled == 2) {
2032                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2033                                    "ENABLE_NETWORK with persistent P2P group");
2034                         return -1;
2035                 }
2036
2037                 if (os_strstr(cmd, " no-connect")) {
2038                         ssid->disabled = 0;
2039                         return 0;
2040                 }
2041         }
2042         wpa_supplicant_enable_network(wpa_s, ssid);
2043
2044         return 0;
2045 }
2046
2047
2048 static int wpa_supplicant_ctrl_iface_disable_network(
2049         struct wpa_supplicant *wpa_s, char *cmd)
2050 {
2051         int id;
2052         struct wpa_ssid *ssid;
2053
2054         /* cmd: "<network id>" or "all" */
2055         if (os_strcmp(cmd, "all") == 0) {
2056                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2057                 ssid = NULL;
2058         } else {
2059                 id = atoi(cmd);
2060                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2061
2062                 ssid = wpa_config_get_network(wpa_s->conf, id);
2063                 if (ssid == NULL) {
2064                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2065                                    "network id=%d", id);
2066                         return -1;
2067                 }
2068                 if (ssid->disabled == 2) {
2069                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2070                                    "DISABLE_NETWORK with persistent P2P "
2071                                    "group");
2072                         return -1;
2073                 }
2074         }
2075         wpa_supplicant_disable_network(wpa_s, ssid);
2076
2077         return 0;
2078 }
2079
2080
2081 static int wpa_supplicant_ctrl_iface_add_network(
2082         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2083 {
2084         struct wpa_ssid *ssid;
2085         int ret;
2086
2087         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2088
2089         ssid = wpa_config_add_network(wpa_s->conf);
2090         if (ssid == NULL)
2091                 return -1;
2092
2093         wpas_notify_network_added(wpa_s, ssid);
2094
2095         ssid->disabled = 1;
2096         wpa_config_set_network_defaults(ssid);
2097
2098         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2099         if (ret < 0 || (size_t) ret >= buflen)
2100                 return -1;
2101         return ret;
2102 }
2103
2104
2105 static int wpa_supplicant_ctrl_iface_remove_network(
2106         struct wpa_supplicant *wpa_s, char *cmd)
2107 {
2108         int id;
2109         struct wpa_ssid *ssid;
2110
2111         /* cmd: "<network id>" or "all" */
2112         if (os_strcmp(cmd, "all") == 0) {
2113                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2114                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2115                 if (wpa_s->current_ssid) {
2116 #ifdef CONFIG_SME
2117                         wpa_s->sme.prev_bssid_set = 0;
2118 #endif /* CONFIG_SME */
2119                         wpa_sm_set_config(wpa_s->wpa, NULL);
2120                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2121                         wpa_supplicant_deauthenticate(
2122                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2123                 }
2124                 ssid = wpa_s->conf->ssid;
2125                 while (ssid) {
2126                         struct wpa_ssid *remove_ssid = ssid;
2127                         id = ssid->id;
2128                         ssid = ssid->next;
2129                         wpas_notify_network_removed(wpa_s, remove_ssid);
2130                         wpa_config_remove_network(wpa_s->conf, id);
2131                 }
2132                 return 0;
2133         }
2134
2135         id = atoi(cmd);
2136         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2137
2138         ssid = wpa_config_get_network(wpa_s->conf, id);
2139         if (ssid)
2140                 wpas_notify_network_removed(wpa_s, ssid);
2141         if (ssid == NULL) {
2142                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2143                            "id=%d", id);
2144                 return -1;
2145         }
2146
2147         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2148 #ifdef CONFIG_SME
2149                 wpa_s->sme.prev_bssid_set = 0;
2150 #endif /* CONFIG_SME */
2151                 /*
2152                  * Invalidate the EAP session cache if the current or
2153                  * previously used network is removed.
2154                  */
2155                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2156         }
2157
2158         if (ssid == wpa_s->current_ssid) {
2159                 wpa_sm_set_config(wpa_s->wpa, NULL);
2160                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2161
2162                 wpa_supplicant_deauthenticate(wpa_s,
2163                                               WLAN_REASON_DEAUTH_LEAVING);
2164         }
2165
2166         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2167                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2168                            "network id=%d", id);
2169                 return -1;
2170         }
2171
2172         return 0;
2173 }
2174
2175
2176 static int wpa_supplicant_ctrl_iface_set_network(
2177         struct wpa_supplicant *wpa_s, char *cmd)
2178 {
2179         int id;
2180         struct wpa_ssid *ssid;
2181         char *name, *value;
2182
2183         /* cmd: "<network id> <variable name> <value>" */
2184         name = os_strchr(cmd, ' ');
2185         if (name == NULL)
2186                 return -1;
2187         *name++ = '\0';
2188
2189         value = os_strchr(name, ' ');
2190         if (value == NULL)
2191                 return -1;
2192         *value++ = '\0';
2193
2194         id = atoi(cmd);
2195         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2196                    id, name);
2197         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2198                               (u8 *) value, os_strlen(value));
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 network "
2203                            "id=%d", id);
2204                 return -1;
2205         }
2206
2207         if (wpa_config_set(ssid, name, value, 0) < 0) {
2208                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2209                            "variable '%s'", name);
2210                 return -1;
2211         }
2212
2213         if (os_strcmp(name, "bssid") != 0 &&
2214             os_strcmp(name, "priority") != 0)
2215                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2216
2217         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2218                 /*
2219                  * Invalidate the EAP session cache if anything in the current
2220                  * or previously used configuration changes.
2221                  */
2222                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2223         }
2224
2225         if ((os_strcmp(name, "psk") == 0 &&
2226              value[0] == '"' && ssid->ssid_len) ||
2227             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2228                 wpa_config_update_psk(ssid);
2229         else if (os_strcmp(name, "priority") == 0)
2230                 wpa_config_update_prio_list(wpa_s->conf);
2231
2232         return 0;
2233 }
2234
2235
2236 static int wpa_supplicant_ctrl_iface_get_network(
2237         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2238 {
2239         int id;
2240         size_t res;
2241         struct wpa_ssid *ssid;
2242         char *name, *value;
2243
2244         /* cmd: "<network id> <variable name>" */
2245         name = os_strchr(cmd, ' ');
2246         if (name == NULL || buflen == 0)
2247                 return -1;
2248         *name++ = '\0';
2249
2250         id = atoi(cmd);
2251         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2252                    id, name);
2253
2254         ssid = wpa_config_get_network(wpa_s->conf, id);
2255         if (ssid == NULL) {
2256                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2257                            "id=%d", id);
2258                 return -1;
2259         }
2260
2261         value = wpa_config_get_no_key(ssid, name);
2262         if (value == NULL) {
2263                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2264                            "variable '%s'", name);
2265                 return -1;
2266         }
2267
2268         res = os_strlcpy(buf, value, buflen);
2269         if (res >= buflen) {
2270                 os_free(value);
2271                 return -1;
2272         }
2273
2274         os_free(value);
2275
2276         return res;
2277 }
2278
2279
2280 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2281                                                 char *buf, size_t buflen)
2282 {
2283         char *pos, *end;
2284         struct wpa_cred *cred;
2285         int ret;
2286
2287         pos = buf;
2288         end = buf + buflen;
2289         ret = os_snprintf(pos, end - pos,
2290                           "cred id / realm / username / domain / imsi\n");
2291         if (ret < 0 || ret >= end - pos)
2292                 return pos - buf;
2293         pos += ret;
2294
2295         cred = wpa_s->conf->cred;
2296         while (cred) {
2297                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2298                                   cred->id, cred->realm ? cred->realm : "",
2299                                   cred->username ? cred->username : "",
2300                                   cred->domain ? cred->domain : "",
2301                                   cred->imsi ? cred->imsi : "");
2302                 if (ret < 0 || ret >= end - pos)
2303                         return pos - buf;
2304                 pos += ret;
2305
2306                 cred = cred->next;
2307         }
2308
2309         return pos - buf;
2310 }
2311
2312
2313 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2314                                               char *buf, size_t buflen)
2315 {
2316         struct wpa_cred *cred;
2317         int ret;
2318
2319         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2320
2321         cred = wpa_config_add_cred(wpa_s->conf);
2322         if (cred == NULL)
2323                 return -1;
2324
2325         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2326         if (ret < 0 || (size_t) ret >= buflen)
2327                 return -1;
2328         return ret;
2329 }
2330
2331
2332 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2333                                  struct wpa_cred *cred)
2334 {
2335         struct wpa_ssid *ssid;
2336         char str[20];
2337
2338         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2339                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2340                 return -1;
2341         }
2342
2343         /* Remove any network entry created based on the removed credential */
2344         ssid = wpa_s->conf->ssid;
2345         while (ssid) {
2346                 if (ssid->parent_cred == cred) {
2347                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2348                                    "used the removed credential", ssid->id);
2349                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2350                         ssid = ssid->next;
2351                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2352                 } else
2353                         ssid = ssid->next;
2354         }
2355
2356         return 0;
2357 }
2358
2359
2360 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2361                                                  char *cmd)
2362 {
2363         int id;
2364         struct wpa_cred *cred, *prev;
2365
2366         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2367         if (os_strcmp(cmd, "all") == 0) {
2368                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2369                 cred = wpa_s->conf->cred;
2370                 while (cred) {
2371                         prev = cred;
2372                         cred = cred->next;
2373                         wpas_ctrl_remove_cred(wpa_s, prev);
2374                 }
2375                 return 0;
2376         }
2377
2378         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2379                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2380                            cmd + 8);
2381                 cred = wpa_s->conf->cred;
2382                 while (cred) {
2383                         prev = cred;
2384                         cred = cred->next;
2385                         if (prev->domain &&
2386                             os_strcmp(prev->domain, cmd + 8) == 0)
2387                                 wpas_ctrl_remove_cred(wpa_s, prev);
2388                 }
2389                 return 0;
2390         }
2391
2392         id = atoi(cmd);
2393         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2394
2395         cred = wpa_config_get_cred(wpa_s->conf, id);
2396         return wpas_ctrl_remove_cred(wpa_s, cred);
2397 }
2398
2399
2400 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2401                                               char *cmd)
2402 {
2403         int id;
2404         struct wpa_cred *cred;
2405         char *name, *value;
2406
2407         /* cmd: "<cred id> <variable name> <value>" */
2408         name = os_strchr(cmd, ' ');
2409         if (name == NULL)
2410                 return -1;
2411         *name++ = '\0';
2412
2413         value = os_strchr(name, ' ');
2414         if (value == NULL)
2415                 return -1;
2416         *value++ = '\0';
2417
2418         id = atoi(cmd);
2419         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2420                    id, name);
2421         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2422                               (u8 *) value, os_strlen(value));
2423
2424         cred = wpa_config_get_cred(wpa_s->conf, id);
2425         if (cred == NULL) {
2426                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2427                            id);
2428                 return -1;
2429         }
2430
2431         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2432                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2433                            "variable '%s'", name);
2434                 return -1;
2435         }
2436
2437         return 0;
2438 }
2439
2440
2441 #ifndef CONFIG_NO_CONFIG_WRITE
2442 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2443 {
2444         int ret;
2445
2446         if (!wpa_s->conf->update_config) {
2447                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2448                            "to update configuration (update_config=0)");
2449                 return -1;
2450         }
2451
2452         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2453         if (ret) {
2454                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2455                            "update configuration");
2456         } else {
2457                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2458                            " updated");
2459         }
2460
2461         return ret;
2462 }
2463 #endif /* CONFIG_NO_CONFIG_WRITE */
2464
2465
2466 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2467                                               struct wpa_driver_capa *capa,
2468                                               char *buf, size_t buflen)
2469 {
2470         int ret, first = 1;
2471         char *pos, *end;
2472         size_t len;
2473
2474         pos = buf;
2475         end = pos + buflen;
2476
2477         if (res < 0) {
2478                 if (strict)
2479                         return 0;
2480                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2481                 if (len >= buflen)
2482                         return -1;
2483                 return len;
2484         }
2485
2486         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2487                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2488                 if (ret < 0 || ret >= end - pos)
2489                         return pos - buf;
2490                 pos += ret;
2491                 first = 0;
2492         }
2493
2494         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2495                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2496                 if (ret < 0 || ret >= end - pos)
2497                         return pos - buf;
2498                 pos += ret;
2499                 first = 0;
2500         }
2501
2502         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2503                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2504                 if (ret < 0 || ret >= end - pos)
2505                         return pos - buf;
2506                 pos += ret;
2507                 first = 0;
2508         }
2509
2510         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2511                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2512                 if (ret < 0 || ret >= end - pos)
2513                         return pos - buf;
2514                 pos += ret;
2515                 first = 0;
2516         }
2517
2518         return pos - buf;
2519 }
2520
2521
2522 static int ctrl_iface_get_capability_group(int res, char *strict,
2523                                            struct wpa_driver_capa *capa,
2524                                            char *buf, size_t buflen)
2525 {
2526         int ret, first = 1;
2527         char *pos, *end;
2528         size_t len;
2529
2530         pos = buf;
2531         end = pos + buflen;
2532
2533         if (res < 0) {
2534                 if (strict)
2535                         return 0;
2536                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2537                 if (len >= buflen)
2538                         return -1;
2539                 return len;
2540         }
2541
2542         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2543                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2544                 if (ret < 0 || ret >= end - pos)
2545                         return pos - buf;
2546                 pos += ret;
2547                 first = 0;
2548         }
2549
2550         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2551                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2552                 if (ret < 0 || ret >= end - pos)
2553                         return pos - buf;
2554                 pos += ret;
2555                 first = 0;
2556         }
2557
2558         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2559                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2560                 if (ret < 0 || ret >= end - pos)
2561                         return pos - buf;
2562                 pos += ret;
2563                 first = 0;
2564         }
2565
2566         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2567                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2568                                   first ? "" : " ");
2569                 if (ret < 0 || ret >= end - pos)
2570                         return pos - buf;
2571                 pos += ret;
2572                 first = 0;
2573         }
2574
2575         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2576                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2577                 if (ret < 0 || ret >= end - pos)
2578                         return pos - buf;
2579                 pos += ret;
2580                 first = 0;
2581         }
2582
2583         return pos - buf;
2584 }
2585
2586
2587 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2588                                               struct wpa_driver_capa *capa,
2589                                               char *buf, size_t buflen)
2590 {
2591         int ret;
2592         char *pos, *end;
2593         size_t len;
2594
2595         pos = buf;
2596         end = pos + buflen;
2597
2598         if (res < 0) {
2599                 if (strict)
2600                         return 0;
2601                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2602                                  "NONE", buflen);
2603                 if (len >= buflen)
2604                         return -1;
2605                 return len;
2606         }
2607
2608         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2609         if (ret < 0 || ret >= end - pos)
2610                 return pos - buf;
2611         pos += ret;
2612
2613         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2614                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2615                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2616                 if (ret < 0 || ret >= end - pos)
2617                         return pos - buf;
2618                 pos += ret;
2619         }
2620
2621         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2622                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2623                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2624                 if (ret < 0 || ret >= end - pos)
2625                         return pos - buf;
2626                 pos += ret;
2627         }
2628
2629         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2630                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2631                 if (ret < 0 || ret >= end - pos)
2632                         return pos - buf;
2633                 pos += ret;
2634         }
2635
2636         return pos - buf;
2637 }
2638
2639
2640 static int ctrl_iface_get_capability_proto(int res, char *strict,
2641                                            struct wpa_driver_capa *capa,
2642                                            char *buf, size_t buflen)
2643 {
2644         int ret, first = 1;
2645         char *pos, *end;
2646         size_t len;
2647
2648         pos = buf;
2649         end = pos + buflen;
2650
2651         if (res < 0) {
2652                 if (strict)
2653                         return 0;
2654                 len = os_strlcpy(buf, "RSN WPA", buflen);
2655                 if (len >= buflen)
2656                         return -1;
2657                 return len;
2658         }
2659
2660         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2661                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2662                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2663                 if (ret < 0 || ret >= end - pos)
2664                         return pos - buf;
2665                 pos += ret;
2666                 first = 0;
2667         }
2668
2669         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2670                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2671                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2672                 if (ret < 0 || ret >= end - pos)
2673                         return pos - buf;
2674                 pos += ret;
2675                 first = 0;
2676         }
2677
2678         return pos - buf;
2679 }
2680
2681
2682 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2683                                               struct wpa_driver_capa *capa,
2684                                               char *buf, size_t buflen)
2685 {
2686         int ret, first = 1;
2687         char *pos, *end;
2688         size_t len;
2689
2690         pos = buf;
2691         end = pos + buflen;
2692
2693         if (res < 0) {
2694                 if (strict)
2695                         return 0;
2696                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2697                 if (len >= buflen)
2698                         return -1;
2699                 return len;
2700         }
2701
2702         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2703                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2704                 if (ret < 0 || ret >= end - pos)
2705                         return pos - buf;
2706                 pos += ret;
2707                 first = 0;
2708         }
2709
2710         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2711                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2712                                   first ? "" : " ");
2713                 if (ret < 0 || ret >= end - pos)
2714                         return pos - buf;
2715                 pos += ret;
2716                 first = 0;
2717         }
2718
2719         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2720                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2721                 if (ret < 0 || ret >= end - pos)
2722                         return pos - buf;
2723                 pos += ret;
2724                 first = 0;
2725         }
2726
2727         return pos - buf;
2728 }
2729
2730
2731 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2732                                               char *buf, size_t buflen)
2733 {
2734         struct hostapd_channel_data *chnl;
2735         int ret, i, j;
2736         char *pos, *end, *hmode;
2737
2738         pos = buf;
2739         end = pos + buflen;
2740
2741         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2742                 switch (wpa_s->hw.modes[j].mode) {
2743                 case HOSTAPD_MODE_IEEE80211B:
2744                         hmode = "B";
2745                         break;
2746                 case HOSTAPD_MODE_IEEE80211G:
2747                         hmode = "G";
2748                         break;
2749                 case HOSTAPD_MODE_IEEE80211A:
2750                         hmode = "A";
2751                         break;
2752                 case HOSTAPD_MODE_IEEE80211AD:
2753                         hmode = "AD";
2754                         break;
2755                 default:
2756                         continue;
2757                 }
2758                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2759                 if (ret < 0 || ret >= end - pos)
2760                         return pos - buf;
2761                 pos += ret;
2762                 chnl = wpa_s->hw.modes[j].channels;
2763                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2764                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2765                                 continue;
2766                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2767                         if (ret < 0 || ret >= end - pos)
2768                                 return pos - buf;
2769                         pos += ret;
2770                 }
2771                 ret = os_snprintf(pos, end - pos, "\n");
2772                 if (ret < 0 || ret >= end - pos)
2773                         return pos - buf;
2774                 pos += ret;
2775         }
2776
2777         return pos - buf;
2778 }
2779
2780
2781 static int wpa_supplicant_ctrl_iface_get_capability(
2782         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
2783         size_t buflen)
2784 {
2785         struct wpa_driver_capa capa;
2786         int res;
2787         char *strict;
2788         char field[30];
2789         size_t len;
2790
2791         /* Determine whether or not strict checking was requested */
2792         len = os_strlcpy(field, _field, sizeof(field));
2793         if (len >= sizeof(field))
2794                 return -1;
2795         strict = os_strchr(field, ' ');
2796         if (strict != NULL) {
2797                 *strict++ = '\0';
2798                 if (os_strcmp(strict, "strict") != 0)
2799                         return -1;
2800         }
2801
2802         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
2803                 field, strict ? strict : "");
2804
2805         if (os_strcmp(field, "eap") == 0) {
2806                 return eap_get_names(buf, buflen);
2807         }
2808
2809         res = wpa_drv_get_capa(wpa_s, &capa);
2810
2811         if (os_strcmp(field, "pairwise") == 0)
2812                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
2813                                                           buf, buflen);
2814
2815         if (os_strcmp(field, "group") == 0)
2816                 return ctrl_iface_get_capability_group(res, strict, &capa,
2817                                                        buf, buflen);
2818
2819         if (os_strcmp(field, "key_mgmt") == 0)
2820                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
2821                                                           buf, buflen);
2822
2823         if (os_strcmp(field, "proto") == 0)
2824                 return ctrl_iface_get_capability_proto(res, strict, &capa,
2825                                                        buf, buflen);
2826
2827         if (os_strcmp(field, "auth_alg") == 0)
2828                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
2829                                                           buf, buflen);
2830
2831         if (os_strcmp(field, "channels") == 0)
2832                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
2833
2834         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
2835                    field);
2836
2837         return -1;
2838 }
2839
2840
2841 #ifdef CONFIG_INTERWORKING
2842 static char * anqp_add_hex(char *pos, char *end, const char *title,
2843                            struct wpabuf *data)
2844 {
2845         char *start = pos;
2846         size_t i;
2847         int ret;
2848         const u8 *d;
2849
2850         if (data == NULL)
2851                 return start;
2852
2853         ret = os_snprintf(pos, end - pos, "%s=", title);
2854         if (ret < 0 || ret >= end - pos)
2855                 return start;
2856         pos += ret;
2857
2858         d = wpabuf_head_u8(data);
2859         for (i = 0; i < wpabuf_len(data); i++) {
2860                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
2861                 if (ret < 0 || ret >= end - pos)
2862                         return start;
2863                 pos += ret;
2864         }
2865
2866         ret = os_snprintf(pos, end - pos, "\n");
2867         if (ret < 0 || ret >= end - pos)
2868                 return start;
2869         pos += ret;
2870
2871         return pos;
2872 }
2873 #endif /* CONFIG_INTERWORKING */
2874
2875
2876 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
2877                           unsigned long mask, char *buf, size_t buflen)
2878 {
2879         size_t i;
2880         int ret;
2881         char *pos, *end;
2882         const u8 *ie, *ie2;
2883
2884         pos = buf;
2885         end = buf + buflen;
2886
2887         if (mask & WPA_BSS_MASK_ID) {
2888                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
2889                 if (ret < 0 || ret >= end - pos)
2890                         return 0;
2891                 pos += ret;
2892         }
2893
2894         if (mask & WPA_BSS_MASK_BSSID) {
2895                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
2896                                   MAC2STR(bss->bssid));
2897                 if (ret < 0 || ret >= end - pos)
2898                         return 0;
2899                 pos += ret;
2900         }
2901
2902         if (mask & WPA_BSS_MASK_FREQ) {
2903                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
2904                 if (ret < 0 || ret >= end - pos)
2905                         return 0;
2906                 pos += ret;
2907         }
2908
2909         if (mask & WPA_BSS_MASK_BEACON_INT) {
2910                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
2911                                   bss->beacon_int);
2912                 if (ret < 0 || ret >= end - pos)
2913                         return 0;
2914                 pos += ret;
2915         }
2916
2917         if (mask & WPA_BSS_MASK_CAPABILITIES) {
2918                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
2919                                   bss->caps);
2920                 if (ret < 0 || ret >= end - pos)
2921                         return 0;
2922                 pos += ret;
2923         }
2924
2925         if (mask & WPA_BSS_MASK_QUAL) {
2926                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
2927                 if (ret < 0 || ret >= end - pos)
2928                         return 0;
2929                 pos += ret;
2930         }
2931
2932         if (mask & WPA_BSS_MASK_NOISE) {
2933                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
2934                 if (ret < 0 || ret >= end - pos)
2935                         return 0;
2936                 pos += ret;
2937         }
2938
2939         if (mask & WPA_BSS_MASK_LEVEL) {
2940                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
2941                 if (ret < 0 || ret >= end - pos)
2942                         return 0;
2943                 pos += ret;
2944         }
2945
2946         if (mask & WPA_BSS_MASK_TSF) {
2947                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
2948                                   (unsigned long long) bss->tsf);
2949                 if (ret < 0 || ret >= end - pos)
2950                         return 0;
2951                 pos += ret;
2952         }
2953
2954         if (mask & WPA_BSS_MASK_AGE) {
2955                 struct os_time now;
2956
2957                 os_get_time(&now);
2958                 ret = os_snprintf(pos, end - pos, "age=%d\n",
2959                                   (int) (now.sec - bss->last_update.sec));
2960                 if (ret < 0 || ret >= end - pos)
2961                         return 0;
2962                 pos += ret;
2963         }
2964
2965         if (mask & WPA_BSS_MASK_IE) {
2966                 ret = os_snprintf(pos, end - pos, "ie=");
2967                 if (ret < 0 || ret >= end - pos)
2968                         return 0;
2969                 pos += ret;
2970
2971                 ie = (const u8 *) (bss + 1);
2972                 for (i = 0; i < bss->ie_len; i++) {
2973                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
2974                         if (ret < 0 || ret >= end - pos)
2975                                 return 0;
2976                         pos += ret;
2977                 }
2978
2979                 ret = os_snprintf(pos, end - pos, "\n");
2980                 if (ret < 0 || ret >= end - pos)
2981                         return 0;
2982                 pos += ret;
2983         }
2984
2985         if (mask & WPA_BSS_MASK_FLAGS) {
2986                 ret = os_snprintf(pos, end - pos, "flags=");
2987                 if (ret < 0 || ret >= end - pos)
2988                         return 0;
2989                 pos += ret;
2990
2991                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2992                 if (ie)
2993                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
2994                                                     2 + ie[1]);
2995                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2996                 if (ie2)
2997                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
2998                                                     2 + ie2[1]);
2999                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3000                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3001                         ret = os_snprintf(pos, end - pos, "[WEP]");
3002                         if (ret < 0 || ret >= end - pos)
3003                                 return 0;
3004                         pos += ret;
3005                 }
3006                 if (bss->caps & IEEE80211_CAP_IBSS) {
3007                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3008                         if (ret < 0 || ret >= end - pos)
3009                                 return 0;
3010                         pos += ret;
3011                 }
3012                 if (bss->caps & IEEE80211_CAP_ESS) {
3013                         ret = os_snprintf(pos, end - pos, "[ESS]");
3014                         if (ret < 0 || ret >= end - pos)
3015                                 return 0;
3016                         pos += ret;
3017                 }
3018                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3019                         ret = os_snprintf(pos, end - pos, "[P2P]");
3020                         if (ret < 0 || ret >= end - pos)
3021                                 return 0;
3022                         pos += ret;
3023                 }
3024 #ifdef CONFIG_HS20
3025                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3026                         ret = os_snprintf(pos, end - pos, "[HS20]");
3027                         if (ret < 0 || ret >= end - pos)
3028                                 return -1;
3029                         pos += ret;
3030                 }
3031 #endif /* CONFIG_HS20 */
3032
3033                 ret = os_snprintf(pos, end - pos, "\n");
3034                 if (ret < 0 || ret >= end - pos)
3035                         return 0;
3036                 pos += ret;
3037         }
3038
3039         if (mask & WPA_BSS_MASK_SSID) {
3040                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3041                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3042                 if (ret < 0 || ret >= end - pos)
3043                         return 0;
3044                 pos += ret;
3045         }
3046
3047 #ifdef CONFIG_WPS
3048         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3049                 ie = (const u8 *) (bss + 1);
3050                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3051                 if (ret < 0 || ret >= end - pos)
3052                         return 0;
3053                 pos += ret;
3054         }
3055 #endif /* CONFIG_WPS */
3056
3057 #ifdef CONFIG_P2P
3058         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3059                 ie = (const u8 *) (bss + 1);
3060                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3061                 if (ret < 0 || ret >= end - pos)
3062                         return 0;
3063                 pos += ret;
3064         }
3065 #endif /* CONFIG_P2P */
3066
3067 #ifdef CONFIG_WIFI_DISPLAY
3068         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3069                 struct wpabuf *wfd;
3070                 ie = (const u8 *) (bss + 1);
3071                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3072                                                   WFD_IE_VENDOR_TYPE);
3073                 if (wfd) {
3074                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3075                         if (ret < 0 || ret >= end - pos)
3076                                 return pos - buf;
3077                         pos += ret;
3078
3079                         pos += wpa_snprintf_hex(pos, end - pos,
3080                                                 wpabuf_head(wfd),
3081                                                 wpabuf_len(wfd));
3082                         wpabuf_free(wfd);
3083
3084                         ret = os_snprintf(pos, end - pos, "\n");
3085                         if (ret < 0 || ret >= end - pos)
3086                                 return pos - buf;
3087                         pos += ret;
3088                 }
3089         }
3090 #endif /* CONFIG_WIFI_DISPLAY */
3091
3092 #ifdef CONFIG_INTERWORKING
3093         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3094                 struct wpa_bss_anqp *anqp = bss->anqp;
3095                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3096                                    anqp->venue_name);
3097                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3098                                    anqp->network_auth_type);
3099                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3100                                    anqp->roaming_consortium);
3101                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3102                                    anqp->ip_addr_type_availability);
3103                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3104                                    anqp->nai_realm);
3105                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3106                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3107                                    anqp->domain_name);
3108 #ifdef CONFIG_HS20
3109                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3110                                    anqp->hs20_operator_friendly_name);
3111                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3112                                    anqp->hs20_wan_metrics);
3113                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3114                                    anqp->hs20_connection_capability);
3115 #endif /* CONFIG_HS20 */
3116         }
3117 #endif /* CONFIG_INTERWORKING */
3118
3119         return pos - buf;
3120 }
3121
3122
3123 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3124                                          const char *cmd, char *buf,
3125                                          size_t buflen)
3126 {
3127         u8 bssid[ETH_ALEN];
3128         size_t i;
3129         struct wpa_bss *bss;
3130         struct wpa_bss *bsslast = NULL;
3131         struct dl_list *next;
3132         int ret = 0;
3133         int len;
3134         char *ctmp;
3135         unsigned long mask = WPA_BSS_MASK_ALL;
3136
3137         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3138                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3139                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3140                                             list_id);
3141                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3142                                                list_id);
3143                 } else { /* N1-N2 */
3144                         unsigned int id1, id2;
3145
3146                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3147                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3148                                            "format");
3149                                 return 0;
3150                         }
3151
3152                         id1 = atoi(cmd + 6);
3153                         bss = wpa_bss_get_id(wpa_s, id1);
3154                         id2 = atoi(ctmp + 1);
3155                         if (id2 == 0)
3156                                 bsslast = dl_list_last(&wpa_s->bss_id,
3157                                                        struct wpa_bss,
3158                                                        list_id);
3159                         else {
3160                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3161                                 if (bsslast == NULL && bss && id2 > id1) {
3162                                         struct wpa_bss *tmp = bss;
3163                                         for (;;) {
3164                                                 next = tmp->list_id.next;
3165                                                 if (next == &wpa_s->bss_id)
3166                                                         break;
3167                                                 tmp = dl_list_entry(
3168                                                         next, struct wpa_bss,
3169                                                         list_id);
3170                                                 if (tmp->id > id2)
3171                                                         break;
3172                                                 bsslast = tmp;
3173                                         }
3174                                 }
3175                         }
3176                 }
3177         } else if (os_strcmp(cmd, "FIRST") == 0)
3178                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3179         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3180                 i = atoi(cmd + 3);
3181                 bss = wpa_bss_get_id(wpa_s, i);
3182         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3183                 i = atoi(cmd + 5);
3184                 bss = wpa_bss_get_id(wpa_s, i);
3185                 if (bss) {
3186                         next = bss->list_id.next;
3187                         if (next == &wpa_s->bss_id)
3188                                 bss = NULL;
3189                         else
3190                                 bss = dl_list_entry(next, struct wpa_bss,
3191                                                     list_id);
3192                 }
3193 #ifdef CONFIG_P2P
3194         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3195                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3196                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3197                 else
3198                         bss = NULL;
3199 #endif /* CONFIG_P2P */
3200         } else if (hwaddr_aton(cmd, bssid) == 0)
3201                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3202         else {
3203                 struct wpa_bss *tmp;
3204                 i = atoi(cmd);
3205                 bss = NULL;
3206                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3207                 {
3208                         if (i-- == 0) {
3209                                 bss = tmp;
3210                                 break;
3211                         }
3212                 }
3213         }
3214
3215         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3216                 mask = strtoul(ctmp + 5, NULL, 0x10);
3217                 if (mask == 0)
3218                         mask = WPA_BSS_MASK_ALL;
3219         }
3220
3221         if (bss == NULL)
3222                 return 0;
3223
3224         if (bsslast == NULL)
3225                 bsslast = bss;
3226         do {
3227                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3228                 ret += len;
3229                 buf += len;
3230                 buflen -= len;
3231                 if (bss == bsslast)
3232                         break;
3233                 next = bss->list_id.next;
3234                 if (next == &wpa_s->bss_id)
3235                         break;
3236                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3237         } while (bss && len);
3238
3239         return ret;
3240 }
3241
3242
3243 static int wpa_supplicant_ctrl_iface_ap_scan(
3244         struct wpa_supplicant *wpa_s, char *cmd)
3245 {
3246         int ap_scan = atoi(cmd);
3247         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3248 }
3249
3250
3251 static int wpa_supplicant_ctrl_iface_scan_interval(
3252         struct wpa_supplicant *wpa_s, char *cmd)
3253 {
3254         int scan_int = atoi(cmd);
3255         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3256 }
3257
3258
3259 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3260         struct wpa_supplicant *wpa_s, char *cmd)
3261 {
3262         int expire_age = atoi(cmd);
3263         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3264 }
3265
3266
3267 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3268         struct wpa_supplicant *wpa_s, char *cmd)
3269 {
3270         int expire_count = atoi(cmd);
3271         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3272 }
3273
3274
3275 static int wpa_supplicant_ctrl_iface_bss_flush(
3276         struct wpa_supplicant *wpa_s, char *cmd)
3277 {
3278         int flush_age = atoi(cmd);
3279
3280         if (flush_age == 0)
3281                 wpa_bss_flush(wpa_s);
3282         else
3283                 wpa_bss_flush_by_age(wpa_s, flush_age);
3284         return 0;
3285 }
3286
3287
3288 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3289 {
3290         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3291         /* MLME-DELETEKEYS.request */
3292         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3293         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3294         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3295         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3296 #ifdef CONFIG_IEEE80211W
3297         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3298         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3299 #endif /* CONFIG_IEEE80211W */
3300
3301         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3302                         0);
3303         /* MLME-SETPROTECTION.request(None) */
3304         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3305                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3306                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3307         wpa_sm_drop_sa(wpa_s->wpa);
3308 }
3309
3310
3311 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3312                                           char *addr)
3313 {
3314 #ifdef CONFIG_NO_SCAN_PROCESSING
3315         return -1;
3316 #else /* CONFIG_NO_SCAN_PROCESSING */
3317         u8 bssid[ETH_ALEN];
3318         struct wpa_bss *bss;
3319         struct wpa_ssid *ssid = wpa_s->current_ssid;
3320
3321         if (hwaddr_aton(addr, bssid)) {
3322                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3323                            "address '%s'", addr);
3324                 return -1;
3325         }
3326
3327         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3328
3329         bss = wpa_bss_get_bssid(wpa_s, bssid);
3330         if (!bss) {
3331                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3332                            "from BSS table");
3333                 return -1;
3334         }
3335
3336         /*
3337          * TODO: Find best network configuration block from configuration to
3338          * allow roaming to other networks
3339          */
3340
3341         if (!ssid) {
3342                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3343                            "configuration known for the target AP");
3344                 return -1;
3345         }
3346
3347         wpa_s->reassociate = 1;
3348         wpa_supplicant_connect(wpa_s, bss, ssid);
3349
3350         return 0;
3351 #endif /* CONFIG_NO_SCAN_PROCESSING */
3352 }
3353
3354
3355 #ifdef CONFIG_P2P
3356 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3357 {
3358         unsigned int timeout = atoi(cmd);
3359         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3360         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3361         char *pos;
3362         unsigned int search_delay;
3363
3364         if (os_strstr(cmd, "type=social"))
3365                 type = P2P_FIND_ONLY_SOCIAL;
3366         else if (os_strstr(cmd, "type=progressive"))
3367                 type = P2P_FIND_PROGRESSIVE;
3368
3369         pos = os_strstr(cmd, "dev_id=");
3370         if (pos) {
3371                 pos += 7;
3372                 if (hwaddr_aton(pos, dev_id))
3373                         return -1;
3374                 _dev_id = dev_id;
3375         }
3376
3377         pos = os_strstr(cmd, "delay=");
3378         if (pos) {
3379                 pos += 6;
3380                 search_delay = atoi(pos);
3381         } else
3382                 search_delay = wpas_p2p_search_delay(wpa_s);
3383
3384         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3385                              search_delay);
3386 }
3387
3388
3389 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3390                             char *buf, size_t buflen)
3391 {
3392         u8 addr[ETH_ALEN];
3393         char *pos, *pos2;
3394         char *pin = NULL;
3395         enum p2p_wps_method wps_method;
3396         int new_pin;
3397         int ret;
3398         int persistent_group, persistent_id = -1;
3399         int join;
3400         int auth;
3401         int automatic;
3402         int go_intent = -1;
3403         int freq = 0;
3404         int pd;
3405         int ht40;
3406
3407         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3408          * [persistent|persistent=<network id>]
3409          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3410          * [ht40] */
3411
3412         if (hwaddr_aton(cmd, addr))
3413                 return -1;
3414
3415         pos = cmd + 17;
3416         if (*pos != ' ')
3417                 return -1;
3418         pos++;
3419
3420         persistent_group = os_strstr(pos, " persistent") != NULL;
3421         pos2 = os_strstr(pos, " persistent=");
3422         if (pos2) {
3423                 struct wpa_ssid *ssid;
3424                 persistent_id = atoi(pos2 + 12);
3425                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3426                 if (ssid == NULL || ssid->disabled != 2 ||
3427                     ssid->mode != WPAS_MODE_P2P_GO) {
3428                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3429                                    "SSID id=%d for persistent P2P group (GO)",
3430                                    persistent_id);
3431                         return -1;
3432                 }
3433         }
3434         join = os_strstr(pos, " join") != NULL;
3435         auth = os_strstr(pos, " auth") != NULL;
3436         automatic = os_strstr(pos, " auto") != NULL;
3437         pd = os_strstr(pos, " provdisc") != NULL;
3438         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3439
3440         pos2 = os_strstr(pos, " go_intent=");
3441         if (pos2) {
3442                 pos2 += 11;
3443                 go_intent = atoi(pos2);
3444                 if (go_intent < 0 || go_intent > 15)
3445                         return -1;
3446         }
3447
3448         pos2 = os_strstr(pos, " freq=");
3449         if (pos2) {
3450                 pos2 += 6;
3451                 freq = atoi(pos2);
3452                 if (freq <= 0)
3453                         return -1;
3454         }
3455
3456         if (os_strncmp(pos, "pin", 3) == 0) {
3457                 /* Request random PIN (to be displayed) and enable the PIN */
3458                 wps_method = WPS_PIN_DISPLAY;
3459         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3460                 wps_method = WPS_PBC;
3461         } else {
3462                 pin = pos;
3463                 pos = os_strchr(pin, ' ');
3464                 wps_method = WPS_PIN_KEYPAD;
3465                 if (pos) {
3466                         *pos++ = '\0';
3467                         if (os_strncmp(pos, "display", 7) == 0)
3468                                 wps_method = WPS_PIN_DISPLAY;
3469                 }
3470                 if (!wps_pin_str_valid(pin)) {
3471                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3472                         return 17;
3473                 }
3474         }
3475
3476         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3477                                    persistent_group, automatic, join,
3478                                    auth, go_intent, freq, persistent_id, pd,
3479                                    ht40);
3480         if (new_pin == -2) {
3481                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3482                 return 25;
3483         }
3484         if (new_pin == -3) {
3485                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3486                 return 25;
3487         }
3488         if (new_pin < 0)
3489                 return -1;
3490         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3491                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3492                 if (ret < 0 || (size_t) ret >= buflen)
3493                         return -1;
3494                 return ret;
3495         }
3496
3497         os_memcpy(buf, "OK\n", 3);
3498         return 3;
3499 }
3500
3501
3502 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3503 {
3504         unsigned int timeout = atoi(cmd);
3505         return wpas_p2p_listen(wpa_s, timeout);
3506 }
3507
3508
3509 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3510 {
3511         u8 addr[ETH_ALEN];
3512         char *pos;
3513         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3514
3515         /* <addr> <config method> [join|auto] */
3516
3517         if (hwaddr_aton(cmd, addr))
3518                 return -1;
3519
3520         pos = cmd + 17;
3521         if (*pos != ' ')
3522                 return -1;
3523         pos++;
3524
3525         if (os_strstr(pos, " join") != NULL)
3526                 use = WPAS_P2P_PD_FOR_JOIN;
3527         else if (os_strstr(pos, " auto") != NULL)
3528                 use = WPAS_P2P_PD_AUTO;
3529
3530         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3531 }
3532
3533
3534 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3535                               size_t buflen)
3536 {
3537         struct wpa_ssid *ssid = wpa_s->current_ssid;
3538
3539         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3540             ssid->passphrase == NULL)
3541                 return -1;
3542
3543         os_strlcpy(buf, ssid->passphrase, buflen);
3544         return os_strlen(buf);
3545 }
3546
3547
3548 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3549                                   char *buf, size_t buflen)
3550 {
3551         u64 ref;
3552         int res;
3553         u8 dst_buf[ETH_ALEN], *dst;
3554         struct wpabuf *tlvs;
3555         char *pos;
3556         size_t len;
3557
3558         if (hwaddr_aton(cmd, dst_buf))
3559                 return -1;
3560         dst = dst_buf;
3561         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3562             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3563                 dst = NULL;
3564         pos = cmd + 17;
3565         if (*pos != ' ')
3566                 return -1;
3567         pos++;
3568
3569         if (os_strncmp(pos, "upnp ", 5) == 0) {
3570                 u8 version;
3571                 pos += 5;
3572                 if (hexstr2bin(pos, &version, 1) < 0)
3573                         return -1;
3574                 pos += 2;
3575                 if (*pos != ' ')
3576                         return -1;
3577                 pos++;
3578                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3579 #ifdef CONFIG_WIFI_DISPLAY
3580         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3581                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3582 #endif /* CONFIG_WIFI_DISPLAY */
3583         } else {
3584                 len = os_strlen(pos);
3585                 if (len & 1)
3586                         return -1;
3587                 len /= 2;
3588                 tlvs = wpabuf_alloc(len);
3589                 if (tlvs == NULL)
3590                         return -1;
3591                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3592                         wpabuf_free(tlvs);
3593                         return -1;
3594                 }
3595
3596                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3597                 wpabuf_free(tlvs);
3598         }
3599         if (ref == 0)
3600                 return -1;
3601         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3602         if (res < 0 || (unsigned) res >= buflen)
3603                 return -1;
3604         return res;
3605 }
3606
3607
3608 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3609                                          char *cmd)
3610 {
3611         long long unsigned val;
3612         u64 req;
3613         if (sscanf(cmd, "%llx", &val) != 1)
3614                 return -1;
3615         req = val;
3616         return wpas_p2p_sd_cancel_request(wpa_s, req);
3617 }
3618
3619
3620 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3621 {
3622         int freq;
3623         u8 dst[ETH_ALEN];
3624         u8 dialog_token;
3625         struct wpabuf *resp_tlvs;
3626         char *pos, *pos2;
3627         size_t len;
3628
3629         pos = os_strchr(cmd, ' ');
3630         if (pos == NULL)
3631                 return -1;
3632         *pos++ = '\0';
3633         freq = atoi(cmd);
3634         if (freq == 0)
3635                 return -1;
3636
3637         if (hwaddr_aton(pos, dst))
3638                 return -1;
3639         pos += 17;
3640         if (*pos != ' ')
3641                 return -1;
3642         pos++;
3643
3644         pos2 = os_strchr(pos, ' ');
3645         if (pos2 == NULL)
3646                 return -1;
3647         *pos2++ = '\0';
3648         dialog_token = atoi(pos);
3649
3650         len = os_strlen(pos2);
3651         if (len & 1)
3652                 return -1;
3653         len /= 2;
3654         resp_tlvs = wpabuf_alloc(len);
3655         if (resp_tlvs == NULL)
3656                 return -1;
3657         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3658                 wpabuf_free(resp_tlvs);
3659                 return -1;
3660         }
3661
3662         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3663         wpabuf_free(resp_tlvs);
3664         return 0;
3665 }
3666
3667
3668 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3669                                        char *cmd)
3670 {
3671         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3672                 return -1;
3673         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3674         return 0;
3675 }
3676
3677
3678 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3679                                         char *cmd)
3680 {
3681         char *pos;
3682         size_t len;
3683         struct wpabuf *query, *resp;
3684
3685         pos = os_strchr(cmd, ' ');
3686         if (pos == NULL)
3687                 return -1;
3688         *pos++ = '\0';
3689
3690         len = os_strlen(cmd);
3691         if (len & 1)
3692                 return -1;
3693         len /= 2;
3694         query = wpabuf_alloc(len);
3695         if (query == NULL)
3696                 return -1;
3697         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3698                 wpabuf_free(query);
3699                 return -1;
3700         }
3701
3702         len = os_strlen(pos);
3703         if (len & 1) {
3704                 wpabuf_free(query);
3705                 return -1;
3706         }
3707         len /= 2;
3708         resp = wpabuf_alloc(len);
3709         if (resp == NULL) {
3710                 wpabuf_free(query);
3711                 return -1;
3712         }
3713         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3714                 wpabuf_free(query);
3715                 wpabuf_free(resp);
3716                 return -1;
3717         }
3718
3719         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3720                 wpabuf_free(query);
3721                 wpabuf_free(resp);
3722                 return -1;
3723         }
3724         return 0;
3725 }
3726
3727
3728 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3729 {
3730         char *pos;
3731         u8 version;
3732
3733         pos = os_strchr(cmd, ' ');
3734         if (pos == NULL)
3735                 return -1;
3736         *pos++ = '\0';
3737
3738         if (hexstr2bin(cmd, &version, 1) < 0)
3739                 return -1;
3740
3741         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
3742 }
3743
3744
3745 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
3746 {
3747         char *pos;
3748
3749         pos = os_strchr(cmd, ' ');
3750         if (pos == NULL)
3751                 return -1;
3752         *pos++ = '\0';
3753
3754         if (os_strcmp(cmd, "bonjour") == 0)
3755                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
3756         if (os_strcmp(cmd, "upnp") == 0)
3757                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
3758         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3759         return -1;
3760 }
3761
3762
3763 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
3764                                         char *cmd)
3765 {
3766         size_t len;
3767         struct wpabuf *query;
3768         int ret;
3769
3770         len = os_strlen(cmd);
3771         if (len & 1)
3772                 return -1;
3773         len /= 2;
3774         query = wpabuf_alloc(len);
3775         if (query == NULL)
3776                 return -1;
3777         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3778                 wpabuf_free(query);
3779                 return -1;
3780         }
3781
3782         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
3783         wpabuf_free(query);
3784         return ret;
3785 }
3786
3787
3788 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3789 {
3790         char *pos;
3791         u8 version;
3792
3793         pos = os_strchr(cmd, ' ');
3794         if (pos == NULL)
3795                 return -1;
3796         *pos++ = '\0';
3797
3798         if (hexstr2bin(cmd, &version, 1) < 0)
3799                 return -1;
3800
3801         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
3802 }
3803
3804
3805 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
3806 {
3807         char *pos;
3808
3809         pos = os_strchr(cmd, ' ');
3810         if (pos == NULL)
3811                 return -1;
3812         *pos++ = '\0';
3813
3814         if (os_strcmp(cmd, "bonjour") == 0)
3815                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
3816         if (os_strcmp(cmd, "upnp") == 0)
3817                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
3818         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
3819         return -1;
3820 }
3821
3822
3823 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
3824 {
3825         u8 addr[ETH_ALEN];
3826
3827         /* <addr> */
3828
3829         if (hwaddr_aton(cmd, addr))
3830                 return -1;
3831
3832         return wpas_p2p_reject(wpa_s, addr);
3833 }
3834
3835
3836 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
3837 {
3838         char *pos;
3839         int id;
3840         struct wpa_ssid *ssid;
3841         u8 *_peer = NULL, peer[ETH_ALEN];
3842         int freq = 0;
3843         int ht40;
3844
3845         id = atoi(cmd);
3846         pos = os_strstr(cmd, " peer=");
3847         if (pos) {
3848                 pos += 6;
3849                 if (hwaddr_aton(pos, peer))
3850                         return -1;
3851                 _peer = peer;
3852         }
3853         ssid = wpa_config_get_network(wpa_s->conf, id);
3854         if (ssid == NULL || ssid->disabled != 2) {
3855                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3856                            "for persistent P2P group",
3857                            id);
3858                 return -1;
3859         }
3860
3861         pos = os_strstr(cmd, " freq=");
3862         if (pos) {
3863                 pos += 6;
3864                 freq = atoi(pos);
3865                 if (freq <= 0)
3866                         return -1;
3867         }
3868
3869         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3870
3871         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40);
3872 }
3873
3874
3875 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
3876 {
3877         char *pos;
3878         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
3879
3880         pos = os_strstr(cmd, " peer=");
3881         if (!pos)
3882                 return -1;
3883
3884         *pos = '\0';
3885         pos += 6;
3886         if (hwaddr_aton(pos, peer)) {
3887                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
3888                 return -1;
3889         }
3890
3891         pos = os_strstr(pos, " go_dev_addr=");
3892         if (pos) {
3893                 pos += 13;
3894                 if (hwaddr_aton(pos, go_dev_addr)) {
3895                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
3896                                    pos);
3897                         return -1;
3898                 }
3899                 go_dev = go_dev_addr;
3900         }
3901
3902         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
3903 }
3904
3905
3906 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
3907 {
3908         if (os_strncmp(cmd, "persistent=", 11) == 0)
3909                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
3910         if (os_strncmp(cmd, "group=", 6) == 0)
3911                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
3912
3913         return -1;
3914 }
3915
3916
3917 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
3918                                          char *cmd, int freq, int ht40)
3919 {
3920         int id;
3921         struct wpa_ssid *ssid;
3922
3923         id = atoi(cmd);
3924         ssid = wpa_config_get_network(wpa_s->conf, id);
3925         if (ssid == NULL || ssid->disabled != 2) {
3926                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
3927                            "for persistent P2P group",
3928                            id);
3929                 return -1;
3930         }
3931
3932         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40);
3933 }
3934
3935
3936 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
3937 {
3938         int freq = 0, ht40;
3939         char *pos;
3940
3941         pos = os_strstr(cmd, "freq=");
3942         if (pos)
3943                 freq = atoi(pos + 5);
3944
3945         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3946
3947         if (os_strncmp(cmd, "persistent=", 11) == 0)
3948                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
3949                                                      ht40);
3950         if (os_strcmp(cmd, "persistent") == 0 ||
3951             os_strncmp(cmd, "persistent ", 11) == 0)
3952                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
3953         if (os_strncmp(cmd, "freq=", 5) == 0)
3954                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3955         if (ht40)
3956                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
3957
3958         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
3959                    cmd);
3960         return -1;
3961 }
3962
3963
3964 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
3965                          char *buf, size_t buflen)
3966 {
3967         u8 addr[ETH_ALEN], *addr_ptr;
3968         int next, res;
3969         const struct p2p_peer_info *info;
3970         char *pos, *end;
3971         char devtype[WPS_DEV_TYPE_BUFSIZE];
3972         struct wpa_ssid *ssid;
3973         size_t i;
3974
3975         if (!wpa_s->global->p2p)
3976                 return -1;
3977
3978         if (os_strcmp(cmd, "FIRST") == 0) {
3979                 addr_ptr = NULL;
3980                 next = 0;
3981         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3982                 if (hwaddr_aton(cmd + 5, addr) < 0)
3983                         return -1;
3984                 addr_ptr = addr;
3985                 next = 1;
3986         } else {
3987                 if (hwaddr_aton(cmd, addr) < 0)
3988                         return -1;
3989                 addr_ptr = addr;
3990                 next = 0;
3991         }
3992
3993         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
3994         if (info == NULL)
3995                 return -1;
3996
3997         pos = buf;
3998         end = buf + buflen;
3999
4000         res = os_snprintf(pos, end - pos, MACSTR "\n"
4001                           "pri_dev_type=%s\n"
4002                           "device_name=%s\n"
4003                           "manufacturer=%s\n"
4004                           "model_name=%s\n"
4005                           "model_number=%s\n"
4006                           "serial_number=%s\n"
4007                           "config_methods=0x%x\n"
4008                           "dev_capab=0x%x\n"
4009                           "group_capab=0x%x\n"
4010                           "level=%d\n",
4011                           MAC2STR(info->p2p_device_addr),
4012                           wps_dev_type_bin2str(info->pri_dev_type,
4013                                                devtype, sizeof(devtype)),
4014                           info->device_name,
4015                           info->manufacturer,
4016                           info->model_name,
4017                           info->model_number,
4018                           info->serial_number,
4019                           info->config_methods,
4020                           info->dev_capab,
4021                           info->group_capab,
4022                           info->level);
4023         if (res < 0 || res >= end - pos)
4024                 return pos - buf;
4025         pos += res;
4026
4027         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4028         {
4029                 const u8 *t;
4030                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4031                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4032                                   wps_dev_type_bin2str(t, devtype,
4033                                                        sizeof(devtype)));
4034                 if (res < 0 || res >= end - pos)
4035                         return pos - buf;
4036                 pos += res;
4037         }
4038
4039         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4040         if (ssid) {
4041                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4042                 if (res < 0 || res >= end - pos)
4043                         return pos - buf;
4044                 pos += res;
4045         }
4046
4047         res = p2p_get_peer_info_txt(info, pos, end - pos);
4048         if (res < 0)
4049                 return pos - buf;
4050         pos += res;
4051
4052         return pos - buf;
4053 }
4054
4055
4056 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4057                                   const char *param)
4058 {
4059         struct wpa_freq_range *freq = NULL, *n;
4060         unsigned int count = 0, i;
4061         const char *pos, *pos2, *pos3;
4062
4063         if (wpa_s->global->p2p == NULL)
4064                 return -1;
4065
4066         /*
4067          * param includes comma separated frequency range.
4068          * For example: 2412-2432,2462,5000-6000
4069          */
4070         pos = param;
4071         while (pos && pos[0]) {
4072                 n = os_realloc_array(freq, count + 1,
4073                                      sizeof(struct wpa_freq_range));
4074                 if (n == NULL) {
4075                         os_free(freq);
4076                         return -1;
4077                 }
4078                 freq = n;
4079                 freq[count].min = atoi(pos);
4080                 pos2 = os_strchr(pos, '-');
4081                 pos3 = os_strchr(pos, ',');
4082                 if (pos2 && (!pos3 || pos2 < pos3)) {
4083                         pos2++;
4084                         freq[count].max = atoi(pos2);
4085                 } else
4086                         freq[count].max = freq[count].min;
4087                 pos = pos3;
4088                 if (pos)
4089                         pos++;
4090                 count++;
4091         }
4092
4093         for (i = 0; i < count; i++) {
4094                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4095                            freq[i].min, freq[i].max);
4096         }
4097
4098         os_free(wpa_s->global->p2p_disallow_freq);
4099         wpa_s->global->p2p_disallow_freq = freq;
4100         wpa_s->global->num_p2p_disallow_freq = count;
4101         wpas_p2p_update_channel_list(wpa_s);
4102         return 0;
4103 }
4104
4105
4106 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4107 {
4108         char *param;
4109
4110         if (wpa_s->global->p2p == NULL)
4111                 return -1;
4112
4113         param = os_strchr(cmd, ' ');
4114         if (param == NULL)
4115                 return -1;
4116         *param++ = '\0';
4117
4118         if (os_strcmp(cmd, "discoverability") == 0) {
4119                 p2p_set_client_discoverability(wpa_s->global->p2p,
4120                                                atoi(param));
4121                 return 0;
4122         }
4123
4124         if (os_strcmp(cmd, "managed") == 0) {
4125                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4126                 return 0;
4127         }
4128
4129         if (os_strcmp(cmd, "listen_channel") == 0) {
4130                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4131                                               atoi(param));
4132         }
4133
4134         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4135                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4136                                             os_strlen(param));
4137         }
4138
4139         if (os_strcmp(cmd, "noa") == 0) {
4140                 char *pos;
4141                 int count, start, duration;
4142                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4143                 count = atoi(param);
4144                 pos = os_strchr(param, ',');
4145                 if (pos == NULL)
4146                         return -1;
4147                 pos++;
4148                 start = atoi(pos);
4149                 pos = os_strchr(pos, ',');
4150                 if (pos == NULL)
4151                         return -1;
4152                 pos++;
4153                 duration = atoi(pos);
4154                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4155                         return -1;
4156                 if (count == 0 && duration > 0)
4157                         return -1;
4158                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4159                            "start=%d duration=%d", count, start, duration);
4160                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4161         }
4162
4163         if (os_strcmp(cmd, "ps") == 0)
4164                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4165
4166         if (os_strcmp(cmd, "oppps") == 0)
4167                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4168
4169         if (os_strcmp(cmd, "ctwindow") == 0)
4170                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4171
4172         if (os_strcmp(cmd, "disabled") == 0) {
4173                 wpa_s->global->p2p_disabled = atoi(param);
4174                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4175                            wpa_s->global->p2p_disabled ?
4176                            "disabled" : "enabled");
4177                 if (wpa_s->global->p2p_disabled) {
4178                         wpas_p2p_stop_find(wpa_s);
4179                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4180                         p2p_flush(wpa_s->global->p2p);
4181                 }
4182                 return 0;
4183         }
4184
4185         if (os_strcmp(cmd, "conc_pref") == 0) {
4186                 if (os_strcmp(param, "sta") == 0)
4187                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4188                 else if (os_strcmp(param, "p2p") == 0)
4189                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4190                 else {
4191                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4192                         return -1;
4193                 }
4194                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4195                            "%s", param);
4196                 return 0;
4197         }
4198
4199         if (os_strcmp(cmd, "force_long_sd") == 0) {
4200                 wpa_s->force_long_sd = atoi(param);
4201                 return 0;
4202         }
4203
4204         if (os_strcmp(cmd, "peer_filter") == 0) {
4205                 u8 addr[ETH_ALEN];
4206                 if (hwaddr_aton(param, addr))
4207                         return -1;
4208                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4209                 return 0;
4210         }
4211
4212         if (os_strcmp(cmd, "cross_connect") == 0)
4213                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4214
4215         if (os_strcmp(cmd, "go_apsd") == 0) {
4216                 if (os_strcmp(param, "disable") == 0)
4217                         wpa_s->set_ap_uapsd = 0;
4218                 else {
4219                         wpa_s->set_ap_uapsd = 1;
4220                         wpa_s->ap_uapsd = atoi(param);
4221                 }
4222                 return 0;
4223         }
4224
4225         if (os_strcmp(cmd, "client_apsd") == 0) {
4226                 if (os_strcmp(param, "disable") == 0)
4227                         wpa_s->set_sta_uapsd = 0;
4228                 else {
4229                         int be, bk, vi, vo;
4230                         char *pos;
4231                         /* format: BE,BK,VI,VO;max SP Length */
4232                         be = atoi(param);
4233                         pos = os_strchr(param, ',');
4234                         if (pos == NULL)
4235                                 return -1;
4236                         pos++;
4237                         bk = atoi(pos);
4238                         pos = os_strchr(pos, ',');
4239                         if (pos == NULL)
4240                                 return -1;
4241                         pos++;
4242                         vi = atoi(pos);
4243                         pos = os_strchr(pos, ',');
4244                         if (pos == NULL)
4245                                 return -1;
4246                         pos++;
4247                         vo = atoi(pos);
4248                         /* ignore max SP Length for now */
4249
4250                         wpa_s->set_sta_uapsd = 1;
4251                         wpa_s->sta_uapsd = 0;
4252                         if (be)
4253                                 wpa_s->sta_uapsd |= BIT(0);
4254                         if (bk)
4255                                 wpa_s->sta_uapsd |= BIT(1);
4256                         if (vi)
4257                                 wpa_s->sta_uapsd |= BIT(2);
4258                         if (vo)
4259                                 wpa_s->sta_uapsd |= BIT(3);
4260                 }
4261                 return 0;
4262         }
4263
4264         if (os_strcmp(cmd, "disallow_freq") == 0)
4265                 return p2p_ctrl_disallow_freq(wpa_s, param);
4266
4267         if (os_strcmp(cmd, "disc_int") == 0) {
4268                 int min_disc_int, max_disc_int, max_disc_tu;
4269                 char *pos;
4270
4271                 pos = param;
4272
4273                 min_disc_int = atoi(pos);
4274                 pos = os_strchr(pos, ' ');
4275                 if (pos == NULL)
4276                         return -1;
4277                 *pos++ = '\0';
4278
4279                 max_disc_int = atoi(pos);
4280                 pos = os_strchr(pos, ' ');
4281                 if (pos == NULL)
4282                         return -1;
4283                 *pos++ = '\0';
4284
4285                 max_disc_tu = atoi(pos);
4286
4287                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4288                                         max_disc_int, max_disc_tu);
4289         }
4290
4291         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4292                    cmd);
4293
4294         return -1;
4295 }
4296
4297
4298 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4299 {
4300         char *pos, *pos2;
4301         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4302
4303         if (cmd[0]) {
4304                 pos = os_strchr(cmd, ' ');
4305                 if (pos == NULL)
4306                         return -1;
4307                 *pos++ = '\0';
4308                 dur1 = atoi(cmd);
4309
4310                 pos2 = os_strchr(pos, ' ');
4311                 if (pos2)
4312                         *pos2++ = '\0';
4313                 int1 = atoi(pos);
4314         } else
4315                 pos2 = NULL;
4316
4317         if (pos2) {
4318                 pos = os_strchr(pos2, ' ');
4319                 if (pos == NULL)
4320                         return -1;
4321                 *pos++ = '\0';
4322                 dur2 = atoi(pos2);
4323                 int2 = atoi(pos);
4324         }
4325
4326         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4327 }
4328
4329
4330 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4331 {
4332         char *pos;
4333         unsigned int period = 0, interval = 0;
4334
4335         if (cmd[0]) {
4336                 pos = os_strchr(cmd, ' ');
4337                 if (pos == NULL)
4338                         return -1;
4339                 *pos++ = '\0';
4340                 period = atoi(cmd);
4341                 interval = atoi(pos);
4342         }
4343
4344         return wpas_p2p_ext_listen(wpa_s, period, interval);
4345 }
4346
4347 #endif /* CONFIG_P2P */
4348
4349
4350 #ifdef CONFIG_INTERWORKING
4351 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4352 {
4353         u8 bssid[ETH_ALEN];
4354         struct wpa_bss *bss;
4355
4356         if (hwaddr_aton(dst, bssid)) {
4357                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4358                 return -1;
4359         }
4360
4361         bss = wpa_bss_get_bssid(wpa_s, bssid);
4362         if (bss == NULL) {
4363                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4364                            MAC2STR(bssid));
4365                 return -1;
4366         }
4367
4368         return interworking_connect(wpa_s, bss);
4369 }
4370
4371
4372 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4373 {
4374         u8 dst_addr[ETH_ALEN];
4375         int used;
4376         char *pos;
4377 #define MAX_ANQP_INFO_ID 100
4378         u16 id[MAX_ANQP_INFO_ID];
4379         size_t num_id = 0;
4380
4381         used = hwaddr_aton2(dst, dst_addr);
4382         if (used < 0)
4383                 return -1;
4384         pos = dst + used;
4385         while (num_id < MAX_ANQP_INFO_ID) {
4386                 id[num_id] = atoi(pos);
4387                 if (id[num_id])
4388                         num_id++;
4389                 pos = os_strchr(pos + 1, ',');
4390                 if (pos == NULL)
4391                         break;
4392                 pos++;
4393         }
4394
4395         if (num_id == 0)
4396                 return -1;
4397
4398         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4399 }
4400
4401
4402 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4403 {
4404         u8 dst_addr[ETH_ALEN];
4405         struct wpabuf *advproto, *query = NULL;
4406         int used, ret = -1;
4407         char *pos, *end;
4408         size_t len;
4409
4410         used = hwaddr_aton2(cmd, dst_addr);
4411         if (used < 0)
4412                 return -1;
4413
4414         pos = cmd + used;
4415         while (*pos == ' ')
4416                 pos++;
4417
4418         /* Advertisement Protocol ID */
4419         end = os_strchr(pos, ' ');
4420         if (end)
4421                 len = end - pos;
4422         else
4423                 len = os_strlen(pos);
4424         if (len & 0x01)
4425                 return -1;
4426         len /= 2;
4427         if (len == 0)
4428                 return -1;
4429         advproto = wpabuf_alloc(len);
4430         if (advproto == NULL)
4431                 return -1;
4432         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4433                 goto fail;
4434
4435         if (end) {
4436                 /* Optional Query Request */
4437                 pos = end + 1;
4438                 while (*pos == ' ')
4439                         pos++;
4440
4441                 len = os_strlen(pos);
4442                 if (len) {
4443                         if (len & 0x01)
4444                                 goto fail;
4445                         len /= 2;
4446                         if (len == 0)
4447                                 goto fail;
4448                         query = wpabuf_alloc(len);
4449                         if (query == NULL)
4450                                 goto fail;
4451                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4452                                 goto fail;
4453                 }
4454         }
4455
4456         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4457
4458 fail:
4459         wpabuf_free(advproto);
4460         wpabuf_free(query);
4461
4462         return ret;
4463 }
4464
4465
4466 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4467                             size_t buflen)
4468 {
4469         u8 addr[ETH_ALEN];
4470         int dialog_token;
4471         int used;
4472         char *pos;
4473         size_t resp_len, start, requested_len;
4474
4475         if (!wpa_s->last_gas_resp)
4476                 return -1;
4477
4478         used = hwaddr_aton2(cmd, addr);
4479         if (used < 0)
4480                 return -1;
4481
4482         pos = cmd + used;
4483         while (*pos == ' ')
4484                 pos++;
4485         dialog_token = atoi(pos);
4486
4487         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4488             dialog_token != wpa_s->last_gas_dialog_token)
4489                 return -1;
4490
4491         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4492         start = 0;
4493         requested_len = resp_len;
4494
4495         pos = os_strchr(pos, ' ');
4496         if (pos) {
4497                 start = atoi(pos);
4498                 if (start > resp_len)
4499                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4500                 pos = os_strchr(pos, ',');
4501                 if (pos == NULL)
4502                         return -1;
4503                 pos++;
4504                 requested_len = atoi(pos);
4505                 if (start + requested_len > resp_len)
4506                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4507         }
4508
4509         if (requested_len * 2 + 1 > buflen)
4510                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4511
4512         return wpa_snprintf_hex(buf, buflen,
4513                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4514                                 requested_len);
4515 }
4516 #endif /* CONFIG_INTERWORKING */
4517
4518
4519 #ifdef CONFIG_HS20
4520
4521 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4522 {
4523         u8 dst_addr[ETH_ALEN];
4524         int used;
4525         char *pos;
4526         u32 subtypes = 0;
4527
4528         used = hwaddr_aton2(dst, dst_addr);
4529         if (used < 0)
4530                 return -1;
4531         pos = dst + used;
4532         for (;;) {
4533                 int num = atoi(pos);
4534                 if (num <= 0 || num > 31)
4535                         return -1;
4536                 subtypes |= BIT(num);
4537                 pos = os_strchr(pos + 1, ',');
4538                 if (pos == NULL)
4539                         break;
4540                 pos++;
4541         }
4542
4543         if (subtypes == 0)
4544                 return -1;
4545
4546         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4547 }
4548
4549
4550 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4551                                     const u8 *addr, const char *realm)
4552 {
4553         u8 *buf;
4554         size_t rlen, len;
4555         int ret;
4556
4557         rlen = os_strlen(realm);
4558         len = 3 + rlen;
4559         buf = os_malloc(len);
4560         if (buf == NULL)
4561                 return -1;
4562         buf[0] = 1; /* NAI Home Realm Count */
4563         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4564         buf[2] = rlen;
4565         os_memcpy(buf + 3, realm, rlen);
4566
4567         ret = hs20_anqp_send_req(wpa_s, addr,
4568                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4569                                  buf, len);
4570
4571         os_free(buf);
4572
4573         return ret;
4574 }
4575
4576
4577 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4578                                         char *dst)
4579 {
4580         struct wpa_cred *cred = wpa_s->conf->cred;
4581         u8 dst_addr[ETH_ALEN];
4582         int used;
4583         u8 *buf;
4584         size_t len;
4585         int ret;
4586
4587         used = hwaddr_aton2(dst, dst_addr);
4588         if (used < 0)
4589                 return -1;
4590
4591         while (dst[used] == ' ')
4592                 used++;
4593         if (os_strncmp(dst + used, "realm=", 6) == 0)
4594                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4595                                                 dst + used + 6);
4596
4597         len = os_strlen(dst + used);
4598
4599         if (len == 0 && cred && cred->realm)
4600                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4601
4602         if (len % 1)
4603                 return -1;
4604         len /= 2;
4605         buf = os_malloc(len);
4606         if (buf == NULL)
4607                 return -1;
4608         if (hexstr2bin(dst + used, buf, len) < 0) {
4609                 os_free(buf);
4610                 return -1;
4611         }
4612
4613         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4614                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4615                                  buf, len);
4616         os_free(buf);
4617
4618         return ret;
4619 }
4620
4621 #endif /* CONFIG_HS20 */
4622
4623
4624 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4625         struct wpa_supplicant *wpa_s, char *cmd)
4626 {
4627         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4628         return 0;
4629 }
4630
4631
4632 #ifdef CONFIG_AUTOSCAN
4633
4634 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4635                                               char *cmd)
4636 {
4637         enum wpa_states state = wpa_s->wpa_state;
4638         char *new_params = NULL;
4639
4640         if (os_strlen(cmd) > 0) {
4641                 new_params = os_strdup(cmd);
4642                 if (new_params == NULL)
4643                         return -1;
4644         }
4645
4646         os_free(wpa_s->conf->autoscan);
4647         wpa_s->conf->autoscan = new_params;
4648
4649         if (wpa_s->conf->autoscan == NULL)
4650                 autoscan_deinit(wpa_s);
4651         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4652                 autoscan_init(wpa_s, 1);
4653         else if (state == WPA_SCANNING)
4654                 wpa_supplicant_reinit_autoscan(wpa_s);
4655
4656         return 0;
4657 }
4658
4659 #endif /* CONFIG_AUTOSCAN */
4660
4661
4662 #ifdef CONFIG_WNM
4663
4664 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4665 {
4666         int enter;
4667         int intval = 0;
4668         char *pos;
4669         int ret;
4670         struct wpabuf *tfs_req = NULL;
4671
4672         if (os_strncmp(cmd, "enter", 5) == 0)
4673                 enter = 1;
4674         else if (os_strncmp(cmd, "exit", 4) == 0)
4675                 enter = 0;
4676         else
4677                 return -1;
4678
4679         pos = os_strstr(cmd, " interval=");
4680         if (pos)
4681                 intval = atoi(pos + 10);
4682
4683         pos = os_strstr(cmd, " tfs_req=");
4684         if (pos) {
4685                 char *end;
4686                 size_t len;
4687                 pos += 9;
4688                 end = os_strchr(pos, ' ');
4689                 if (end)
4690                         len = end - pos;
4691                 else
4692                         len = os_strlen(pos);
4693                 if (len & 1)
4694                         return -1;
4695                 len /= 2;
4696                 tfs_req = wpabuf_alloc(len);
4697                 if (tfs_req == NULL)
4698                         return -1;
4699                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4700                         wpabuf_free(tfs_req);
4701                         return -1;
4702                 }
4703         }
4704
4705         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4706                                            WNM_SLEEP_MODE_EXIT, intval,
4707                                            tfs_req);
4708         wpabuf_free(tfs_req);
4709
4710         return ret;
4711 }
4712
4713 #endif /* CONFIG_WNM */
4714
4715
4716 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
4717                                       size_t buflen)
4718 {
4719         struct wpa_signal_info si;
4720         int ret;
4721
4722         ret = wpa_drv_signal_poll(wpa_s, &si);
4723         if (ret)
4724                 return -1;
4725
4726         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
4727                           "NOISE=%d\nFREQUENCY=%u\n",
4728                           si.current_signal, si.current_txrate / 1000,
4729                           si.current_noise, si.frequency);
4730         if (ret < 0 || (unsigned int) ret > buflen)
4731                 return -1;
4732         return ret;
4733 }
4734
4735
4736 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
4737                                       size_t buflen)
4738 {
4739         struct hostap_sta_driver_data sta;
4740         int ret;
4741
4742         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
4743         if (ret)
4744                 return -1;
4745
4746         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
4747                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
4748         if (ret < 0 || (size_t) ret > buflen)
4749                 return -1;
4750         return ret;
4751 }
4752
4753
4754 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
4755                                          char *buf, size_t *resp_len)
4756 {
4757         char *reply;
4758         const int reply_size = 4096;
4759         int ctrl_rsp = 0;
4760         int reply_len;
4761
4762         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
4763             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
4764             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
4765             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
4766                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
4767                                       (const u8 *) buf, os_strlen(buf));
4768         } else {
4769                 int level = MSG_DEBUG;
4770                 if (os_strcmp(buf, "PING") == 0)
4771                         level = MSG_EXCESSIVE;
4772                 wpa_hexdump_ascii(level, "RX ctrl_iface",
4773                                   (const u8 *) buf, os_strlen(buf));
4774                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
4775         }
4776
4777         reply = os_malloc(reply_size);
4778         if (reply == NULL) {
4779                 *resp_len = 1;
4780                 return NULL;
4781         }
4782
4783         os_memcpy(reply, "OK\n", 3);
4784         reply_len = 3;
4785
4786         if (os_strcmp(buf, "PING") == 0) {
4787                 os_memcpy(reply, "PONG\n", 5);
4788                 reply_len = 5;
4789         } else if (os_strcmp(buf, "IFNAME") == 0) {
4790                 reply_len = os_strlen(wpa_s->ifname);
4791                 os_memcpy(reply, wpa_s->ifname, reply_len);
4792         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
4793                 if (wpa_debug_reopen_file() < 0)
4794                         reply_len = -1;
4795         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
4796                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
4797         } else if (os_strcmp(buf, "MIB") == 0) {
4798                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
4799                 if (reply_len >= 0) {
4800                         int res;
4801                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
4802                                                reply_size - reply_len);
4803                         if (res < 0)
4804                                 reply_len = -1;
4805                         else
4806                                 reply_len += res;
4807                 }
4808         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
4809                 reply_len = wpa_supplicant_ctrl_iface_status(
4810                         wpa_s, buf + 6, reply, reply_size);
4811         } else if (os_strcmp(buf, "PMKSA") == 0) {
4812                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
4813                                                     reply_size);
4814         } else if (os_strncmp(buf, "SET ", 4) == 0) {
4815                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
4816                         reply_len = -1;
4817         } else if (os_strncmp(buf, "GET ", 4) == 0) {
4818                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
4819                                                           reply, reply_size);
4820         } else if (os_strcmp(buf, "LOGON") == 0) {
4821                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
4822         } else if (os_strcmp(buf, "LOGOFF") == 0) {
4823                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
4824         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
4825                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4826                         reply_len = -1;
4827                 else
4828                         wpas_request_connection(wpa_s);
4829         } else if (os_strcmp(buf, "RECONNECT") == 0) {
4830                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
4831                         reply_len = -1;
4832                 else if (wpa_s->disconnected)
4833                         wpas_request_connection(wpa_s);
4834 #ifdef IEEE8021X_EAPOL
4835         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
4836                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
4837                         reply_len = -1;
4838 #endif /* IEEE8021X_EAPOL */
4839 #ifdef CONFIG_PEERKEY
4840         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
4841                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
4842                         reply_len = -1;
4843 #endif /* CONFIG_PEERKEY */
4844 #ifdef CONFIG_IEEE80211R
4845         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
4846                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
4847                         reply_len = -1;
4848 #endif /* CONFIG_IEEE80211R */
4849 #ifdef CONFIG_WPS
4850         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
4851                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
4852                 if (res == -2) {
4853                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4854                         reply_len = 17;
4855                 } else if (res)
4856                         reply_len = -1;
4857         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
4858                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
4859                 if (res == -2) {
4860                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4861                         reply_len = 17;
4862                 } else if (res)
4863                         reply_len = -1;
4864         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
4865                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
4866                                                               reply,
4867                                                               reply_size);
4868         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
4869                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
4870                         wpa_s, buf + 14, reply, reply_size);
4871         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
4872                 if (wpas_wps_cancel(wpa_s))
4873                         reply_len = -1;
4874 #ifdef CONFIG_WPS_NFC
4875         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
4876                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
4877                         reply_len = -1;
4878         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
4879                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
4880                         reply_len = -1;
4881         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
4882                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
4883                         wpa_s, buf + 14, reply, reply_size);
4884         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
4885                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
4886                                                                buf + 17))
4887                         reply_len = -1;
4888         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
4889                 reply_len = wpas_ctrl_nfc_get_handover_req(
4890                         wpa_s, buf + 21, reply, reply_size);
4891         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
4892                 reply_len = wpas_ctrl_nfc_get_handover_sel(
4893                         wpa_s, buf + 21, reply, reply_size);
4894         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
4895                 reply_len = wpas_ctrl_nfc_rx_handover_req(
4896                         wpa_s, buf + 20, reply, reply_size);
4897         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
4898                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
4899                         reply_len = -1;
4900 #endif /* CONFIG_WPS_NFC */
4901         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
4902                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
4903                         reply_len = -1;
4904 #ifdef CONFIG_AP
4905         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
4906                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
4907                         wpa_s, buf + 11, reply, reply_size);
4908 #endif /* CONFIG_AP */
4909 #ifdef CONFIG_WPS_ER
4910         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
4911                 if (wpas_wps_er_start(wpa_s, NULL))
4912                         reply_len = -1;
4913         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
4914                 if (wpas_wps_er_start(wpa_s, buf + 13))
4915                         reply_len = -1;
4916         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
4917                 if (wpas_wps_er_stop(wpa_s))
4918                         reply_len = -1;
4919         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
4920                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
4921                         reply_len = -1;
4922         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
4923                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
4924                 if (ret == -2) {
4925                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
4926                         reply_len = 17;
4927                 } else if (ret == -3) {
4928                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
4929                         reply_len = 18;
4930                 } else if (ret == -4) {
4931                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
4932                         reply_len = 20;
4933                 } else if (ret)
4934                         reply_len = -1;
4935         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
4936                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
4937                         reply_len = -1;
4938         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
4939                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
4940                                                                 buf + 18))
4941                         reply_len = -1;
4942         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
4943                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
4944                         reply_len = -1;
4945 #ifdef CONFIG_WPS_NFC
4946         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
4947                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
4948                         wpa_s, buf + 24, reply, reply_size);
4949 #endif /* CONFIG_WPS_NFC */
4950 #endif /* CONFIG_WPS_ER */
4951 #endif /* CONFIG_WPS */
4952 #ifdef CONFIG_IBSS_RSN
4953         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
4954                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
4955                         reply_len = -1;
4956 #endif /* CONFIG_IBSS_RSN */
4957 #ifdef CONFIG_P2P
4958         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
4959                 if (p2p_ctrl_find(wpa_s, buf + 9))
4960                         reply_len = -1;
4961         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
4962                 if (p2p_ctrl_find(wpa_s, ""))
4963                         reply_len = -1;
4964         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
4965                 wpas_p2p_stop_find(wpa_s);
4966         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
4967                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
4968                                              reply_size);
4969         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
4970                 if (p2p_ctrl_listen(wpa_s, buf + 11))
4971                         reply_len = -1;
4972         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
4973                 if (p2p_ctrl_listen(wpa_s, ""))
4974                         reply_len = -1;
4975         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
4976                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
4977                         reply_len = -1;
4978         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
4979                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
4980                         reply_len = -1;
4981         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
4982                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
4983                         reply_len = -1;
4984         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
4985                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
4986                         reply_len = -1;
4987         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
4988                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
4989         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
4990                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
4991                                                    reply_size);
4992         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
4993                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
4994                         reply_len = -1;
4995         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
4996                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
4997                         reply_len = -1;
4998         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
4999                 wpas_p2p_sd_service_update(wpa_s);
5000         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5001                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5002                         reply_len = -1;
5003         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5004                 wpas_p2p_service_flush(wpa_s);
5005         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5006                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5007                         reply_len = -1;
5008         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5009                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5010                         reply_len = -1;
5011         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5012                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5013                         reply_len = -1;
5014         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5015                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5016                         reply_len = -1;
5017         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5018                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5019                                               reply_size);
5020         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5021                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5022                         reply_len = -1;
5023         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5024                 os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
5025                 wpa_s->force_long_sd = 0;
5026                 if (wpa_s->global->p2p)
5027                         p2p_flush(wpa_s->global->p2p);
5028         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5029                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5030                         reply_len = -1;
5031         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5032                 if (wpas_p2p_cancel(wpa_s))
5033                         reply_len = -1;
5034         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5035                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5036                         reply_len = -1;
5037         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5038                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5039                         reply_len = -1;
5040         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5041                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5042                         reply_len = -1;
5043         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5044                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5045                         reply_len = -1;
5046 #endif /* CONFIG_P2P */
5047 #ifdef CONFIG_WIFI_DISPLAY
5048         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5049                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5050                         reply_len = -1;
5051         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5052                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5053                                                      reply, reply_size);
5054 #endif /* CONFIG_WIFI_DISPLAY */
5055 #ifdef CONFIG_INTERWORKING
5056         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5057                 if (interworking_fetch_anqp(wpa_s) < 0)
5058                         reply_len = -1;
5059         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5060                 interworking_stop_fetch_anqp(wpa_s);
5061         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5062                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5063                                         NULL) < 0)
5064                         reply_len = -1;
5065         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5066                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5067                         reply_len = -1;
5068         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5069                 if (get_anqp(wpa_s, buf + 9) < 0)
5070                         reply_len = -1;
5071         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5072                 if (gas_request(wpa_s, buf + 12) < 0)
5073                         reply_len = -1;
5074         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5075                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5076                                              reply_size);
5077 #endif /* CONFIG_INTERWORKING */
5078 #ifdef CONFIG_HS20
5079         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5080                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5081                         reply_len = -1;
5082         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5083                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5084                         reply_len = -1;
5085 #endif /* CONFIG_HS20 */
5086         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5087         {
5088                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5089                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5090                         reply_len = -1;
5091                 else
5092                         ctrl_rsp = 1;
5093         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5094                 if (wpa_supplicant_reload_configuration(wpa_s))
5095                         reply_len = -1;
5096         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5097                 wpa_supplicant_terminate_proc(wpa_s->global);
5098         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5099                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5100                         reply_len = -1;
5101         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5102                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5103                         wpa_s, buf + 9, reply, reply_size);
5104         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5105                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5106                         wpa_s, buf + 9, reply, reply_size);
5107         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5108                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5109                         wpa_s, reply, reply_size);
5110         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5111 #ifdef CONFIG_SME
5112                 wpa_s->sme.prev_bssid_set = 0;
5113 #endif /* CONFIG_SME */
5114                 wpa_s->reassociate = 0;
5115                 wpa_s->disconnected = 1;
5116                 wpa_supplicant_cancel_sched_scan(wpa_s);
5117                 wpa_supplicant_cancel_scan(wpa_s);
5118                 wpa_supplicant_deauthenticate(wpa_s,
5119                                               WLAN_REASON_DEAUTH_LEAVING);
5120         } else if (os_strcmp(buf, "SCAN") == 0) {
5121                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5122                         reply_len = -1;
5123                 else {
5124                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5125                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5126                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5127                                 wpa_s->normal_scans = 0;
5128                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5129                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5130                         } else if (wpa_s->sched_scanning) {
5131                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5132                                            "sched_scan to allow requested "
5133                                            "full scan to proceed");
5134                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5135                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5136                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5137                         } else {
5138                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5139                                            "reject new request");
5140                                 reply_len = os_snprintf(reply, reply_size,
5141                                                         "FAIL-BUSY\n");
5142                         }
5143                 }
5144         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5145                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5146                         wpa_s, reply, reply_size);
5147         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5148                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5149                         reply_len = -1;
5150         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5151                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5152                         reply_len = -1;
5153         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5154                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5155                         reply_len = -1;
5156         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5157                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5158                         wpa_s, reply, reply_size);
5159         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5160                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5161                         reply_len = -1;
5162         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5163                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5164                         reply_len = -1;
5165         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5166                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5167                         wpa_s, buf + 12, reply, reply_size);
5168         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5169                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5170                         wpa_s, reply, reply_size);
5171         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5172                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5173                         wpa_s, reply, reply_size);
5174         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5175                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5176                         reply_len = -1;
5177         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5178                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5179                         reply_len = -1;
5180 #ifndef CONFIG_NO_CONFIG_WRITE
5181         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5182                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5183                         reply_len = -1;
5184 #endif /* CONFIG_NO_CONFIG_WRITE */
5185         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5186                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5187                         wpa_s, buf + 15, reply, reply_size);
5188         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5189                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5190                         reply_len = -1;
5191         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5192                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5193                         reply_len = -1;
5194         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5195                 reply_len = wpa_supplicant_global_iface_list(
5196                         wpa_s->global, reply, reply_size);
5197         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5198                 reply_len = wpa_supplicant_global_iface_interfaces(
5199                         wpa_s->global, reply, reply_size);
5200         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5201                 reply_len = wpa_supplicant_ctrl_iface_bss(
5202                         wpa_s, buf + 4, reply, reply_size);
5203 #ifdef CONFIG_AP
5204         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5205                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5206         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5207                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5208                                               reply_size);
5209         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5210                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5211                                                    reply_size);
5212         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5213                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5214                         reply_len = -1;
5215         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5216                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5217                         reply_len = -1;
5218 #endif /* CONFIG_AP */
5219         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5220                 wpas_notify_suspend(wpa_s->global);
5221         } else if (os_strcmp(buf, "RESUME") == 0) {
5222                 wpas_notify_resume(wpa_s->global);
5223         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5224                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5225         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5226                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5227                         reply_len = -1;
5228         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5229                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5230                         reply_len = -1;
5231         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5232                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5233                         reply_len = -1;
5234         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5235                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5236                                                                buf + 17))
5237                         reply_len = -1;
5238         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5239                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5240                         reply_len = -1;
5241 #ifdef CONFIG_TDLS
5242         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5243                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5244                         reply_len = -1;
5245         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5246                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5247                         reply_len = -1;
5248         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5249                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5250                         reply_len = -1;
5251 #endif /* CONFIG_TDLS */
5252         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5253                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5254                                                        reply_size);
5255         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5256                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5257                                                        reply_size);
5258 #ifdef CONFIG_AUTOSCAN
5259         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5260                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5261                         reply_len = -1;
5262 #endif /* CONFIG_AUTOSCAN */
5263         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5264                 pmksa_cache_clear_current(wpa_s->wpa);
5265                 eapol_sm_request_reauth(wpa_s->eapol);
5266 #ifdef CONFIG_WNM
5267         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5268                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5269                         reply_len = -1;
5270 #endif /* CONFIG_WNM */
5271         } else {
5272                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5273                 reply_len = 16;
5274         }
5275
5276         if (reply_len < 0) {
5277                 os_memcpy(reply, "FAIL\n", 5);
5278                 reply_len = 5;
5279         }
5280
5281         if (ctrl_rsp)
5282                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5283
5284         *resp_len = reply_len;
5285         return reply;
5286 }
5287
5288
5289 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5290                                            char *cmd)
5291 {
5292         struct wpa_interface iface;
5293         char *pos;
5294
5295         /*
5296          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5297          * TAB<bridge_ifname>
5298          */
5299         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5300
5301         os_memset(&iface, 0, sizeof(iface));
5302
5303         do {
5304                 iface.ifname = pos = cmd;
5305                 pos = os_strchr(pos, '\t');
5306                 if (pos)
5307                         *pos++ = '\0';
5308                 if (iface.ifname[0] == '\0')
5309                         return -1;
5310                 if (pos == NULL)
5311                         break;
5312
5313                 iface.confname = pos;
5314                 pos = os_strchr(pos, '\t');
5315                 if (pos)
5316                         *pos++ = '\0';
5317                 if (iface.confname[0] == '\0')
5318                         iface.confname = NULL;
5319                 if (pos == NULL)
5320                         break;
5321
5322                 iface.driver = pos;
5323                 pos = os_strchr(pos, '\t');
5324                 if (pos)
5325                         *pos++ = '\0';
5326                 if (iface.driver[0] == '\0')
5327                         iface.driver = NULL;
5328                 if (pos == NULL)
5329                         break;
5330
5331                 iface.ctrl_interface = pos;
5332                 pos = os_strchr(pos, '\t');
5333                 if (pos)
5334                         *pos++ = '\0';
5335                 if (iface.ctrl_interface[0] == '\0')
5336                         iface.ctrl_interface = NULL;
5337                 if (pos == NULL)
5338                         break;
5339
5340                 iface.driver_param = pos;
5341                 pos = os_strchr(pos, '\t');
5342                 if (pos)
5343                         *pos++ = '\0';
5344                 if (iface.driver_param[0] == '\0')
5345                         iface.driver_param = NULL;
5346                 if (pos == NULL)
5347                         break;
5348
5349                 iface.bridge_ifname = pos;
5350                 pos = os_strchr(pos, '\t');
5351                 if (pos)
5352                         *pos++ = '\0';
5353                 if (iface.bridge_ifname[0] == '\0')
5354                         iface.bridge_ifname = NULL;
5355                 if (pos == NULL)
5356                         break;
5357         } while (0);
5358
5359         if (wpa_supplicant_get_iface(global, iface.ifname))
5360                 return -1;
5361
5362         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5363 }
5364
5365
5366 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5367                                               char *cmd)
5368 {
5369         struct wpa_supplicant *wpa_s;
5370
5371         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5372
5373         wpa_s = wpa_supplicant_get_iface(global, cmd);
5374         if (wpa_s == NULL)
5375                 return -1;
5376         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5377 }
5378
5379
5380 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5381 {
5382         struct wpa_interface_info *prev;
5383
5384         while (iface) {
5385                 prev = iface;
5386                 iface = iface->next;
5387
5388                 os_free(prev->ifname);
5389                 os_free(prev->desc);
5390                 os_free(prev);
5391         }
5392 }
5393
5394
5395 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5396                                             char *buf, int len)
5397 {
5398         int i, res;
5399         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5400         char *pos, *end;
5401
5402         for (i = 0; wpa_drivers[i]; i++) {
5403                 struct wpa_driver_ops *drv = wpa_drivers[i];
5404                 if (drv->get_interfaces == NULL)
5405                         continue;
5406                 tmp = drv->get_interfaces(global->drv_priv[i]);
5407                 if (tmp == NULL)
5408                         continue;
5409
5410                 if (last == NULL)
5411                         iface = last = tmp;
5412                 else
5413                         last->next = tmp;
5414                 while (last->next)
5415                         last = last->next;
5416         }
5417
5418         pos = buf;
5419         end = buf + len;
5420         for (tmp = iface; tmp; tmp = tmp->next) {
5421                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5422                                   tmp->drv_name, tmp->ifname,
5423                                   tmp->desc ? tmp->desc : "");
5424                 if (res < 0 || res >= end - pos) {
5425                         *pos = '\0';
5426                         break;
5427                 }
5428                 pos += res;
5429         }
5430
5431         wpa_free_iface_info(iface);
5432
5433         return pos - buf;
5434 }
5435
5436
5437 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5438                                                   char *buf, int len)
5439 {
5440         int res;
5441         char *pos, *end;
5442         struct wpa_supplicant *wpa_s;
5443
5444         wpa_s = global->ifaces;
5445         pos = buf;
5446         end = buf + len;
5447
5448         while (wpa_s) {
5449                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5450                 if (res < 0 || res >= end - pos) {
5451                         *pos = '\0';
5452                         break;
5453                 }
5454                 pos += res;
5455                 wpa_s = wpa_s->next;
5456         }
5457         return pos - buf;
5458 }
5459
5460
5461 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5462                                                 char *buf, size_t *resp_len)
5463 {
5464         char *reply;
5465         const int reply_size = 2048;
5466         int reply_len;
5467         int level = MSG_DEBUG;
5468
5469         if (os_strcmp(buf, "PING") == 0)
5470                 level = MSG_EXCESSIVE;
5471         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5472                           (const u8 *) buf, os_strlen(buf));
5473
5474         reply = os_malloc(reply_size);
5475         if (reply == NULL) {
5476                 *resp_len = 1;
5477                 return NULL;
5478         }
5479
5480         os_memcpy(reply, "OK\n", 3);
5481         reply_len = 3;
5482
5483         if (os_strcmp(buf, "PING") == 0) {
5484                 os_memcpy(reply, "PONG\n", 5);
5485                 reply_len = 5;
5486         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
5487                 if (wpa_supplicant_global_iface_add(global, buf + 14))
5488                         reply_len = -1;
5489         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
5490                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
5491                         reply_len = -1;
5492         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5493                 reply_len = wpa_supplicant_global_iface_list(
5494                         global, reply, reply_size);
5495         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5496                 reply_len = wpa_supplicant_global_iface_interfaces(
5497                         global, reply, reply_size);
5498         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5499                 wpa_supplicant_terminate_proc(global);
5500         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5501                 wpas_notify_suspend(global);
5502         } else if (os_strcmp(buf, "RESUME") == 0) {
5503                 wpas_notify_resume(global);
5504         } else {
5505                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5506                 reply_len = 16;
5507         }
5508
5509         if (reply_len < 0) {
5510                 os_memcpy(reply, "FAIL\n", 5);
5511                 reply_len = 5;
5512         }
5513
5514         *resp_len = reply_len;
5515         return reply;
5516 }