wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2013, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "common/version.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "common/ieee802_11_common.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eap_peer/eap.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "rsn_supp/preauth.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wps/wps.h"
  24 #include "config.h"
  25 #include "wpa_supplicant_i.h"
  26 #include "driver_i.h"
  27 #include "wps_supplicant.h"
  28 #include "ibss_rsn.h"
  29 #include "ap.h"
  30 #include "p2p_supplicant.h"
  31 #include "p2p/p2p.h"
  32 #include "hs20_supplicant.h"
  33 #include "wifi_display.h"
  34 #include "notify.h"
  35 #include "bss.h"
  36 #include "scan.h"
  37 #include "ctrl_iface.h"
  38 #include "interworking.h"
  39 #include "blacklist.h"
  40 #include "autoscan.h"
  41 #include "wnm_sta.h"
  42
  43 extern struct wpa_driver_ops *wpa_drivers[];
  44
  45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  46                                             char *buf, int len);
  47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  48                                                   char *buf, int len);
  49
  50
  51 static int pno_start(struct wpa_supplicant *wpa_s)
  52 {
  53         int ret;
  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 #ifdef CONFIG_TESTING_GET_GTK
 465         } else if (os_strcmp(cmd, "gtk") == 0) {
 466                 if (wpa_s->last_gtk_len == 0)
 467                         return -1;
 468                 res = wpa_snprintf_hex(buf, buflen, wpa_s->last_gtk,
 469                                        wpa_s->last_gtk_len);
 470                 return res;
 471 #endif /* CONFIG_TESTING_GET_GTK */
 472         }
 473
 474         if (res < 0 || (unsigned int) res >= buflen)
 475                 return -1;
 476         return res;
 477 }
 478
 479
 480 #ifdef IEEE8021X_EAPOL
 481 static int wpa_supplicant_ctrl_iface_preauth(struct wpa_supplicant *wpa_s,
 482                                              char *addr)
 483 {
 484         u8 bssid[ETH_ALEN];
 485         struct wpa_ssid *ssid = wpa_s->current_ssid;
 486
 487         if (hwaddr_aton(addr, bssid)) {
 488                 wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH: invalid address "
 489                            "'%s'", addr);
 490                 return -1;
 491         }
 492
 493         wpa_printf(MSG_DEBUG, "CTRL_IFACE PREAUTH " MACSTR, MAC2STR(bssid));
 494         rsn_preauth_deinit(wpa_s->wpa);
 495         if (rsn_preauth_init(wpa_s->wpa, bssid, ssid ? &ssid->eap : NULL))
 496                 return -1;
 497
 498         return 0;
 499 }
 500 #endif /* IEEE8021X_EAPOL */
 501
 502
 503 #ifdef CONFIG_PEERKEY
 504 /* MLME-STKSTART.request(peer) */
 505 static int wpa_supplicant_ctrl_iface_stkstart(
 506         struct wpa_supplicant *wpa_s, char *addr)
 507 {
 508         u8 peer[ETH_ALEN];
 509
 510         if (hwaddr_aton(addr, peer)) {
 511                 wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART: invalid "
 512                            "address '%s'", addr);
 513                 return -1;
 514         }
 515
 516         wpa_printf(MSG_DEBUG, "CTRL_IFACE STKSTART " MACSTR,
 517                    MAC2STR(peer));
 518
 519         return wpa_sm_stkstart(wpa_s->wpa, peer);
 520 }
 521 #endif /* CONFIG_PEERKEY */
 522
 523
 524 #ifdef CONFIG_TDLS
 525
 526 static int wpa_supplicant_ctrl_iface_tdls_discover(
 527         struct wpa_supplicant *wpa_s, char *addr)
 528 {
 529         u8 peer[ETH_ALEN];
 530         int ret;
 531
 532         if (hwaddr_aton(addr, peer)) {
 533                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER: invalid "
 534                            "address '%s'", addr);
 535                 return -1;
 536         }
 537
 538         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_DISCOVER " MACSTR,
 539                    MAC2STR(peer));
 540
 541         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 542                 ret = wpa_tdls_send_discovery_request(wpa_s->wpa, peer);
 543         else
 544                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_DISCOVERY_REQ, peer);
 545
 546         return ret;
 547 }
 548
 549
 550 static int wpa_supplicant_ctrl_iface_tdls_setup(
 551         struct wpa_supplicant *wpa_s, char *addr)
 552 {
 553         u8 peer[ETH_ALEN];
 554         int ret;
 555
 556         if (hwaddr_aton(addr, peer)) {
 557                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP: invalid "
 558                            "address '%s'", addr);
 559                 return -1;
 560         }
 561
 562         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_SETUP " MACSTR,
 563                    MAC2STR(peer));
 564
 565         wpa_tdls_remove(wpa_s->wpa, peer);
 566
 567         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 568                 ret = wpa_tdls_start(wpa_s->wpa, peer);
 569         else
 570                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_SETUP, peer);
 571
 572         return ret;
 573 }
 574
 575
 576 static int wpa_supplicant_ctrl_iface_tdls_teardown(
 577         struct wpa_supplicant *wpa_s, char *addr)
 578 {
 579         u8 peer[ETH_ALEN];
 580         int ret;
 581
 582         if (hwaddr_aton(addr, peer)) {
 583                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 584                            "address '%s'", addr);
 585                 return -1;
 586         }
 587
 588         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 589                    MAC2STR(peer));
 590
 591         if (wpa_tdls_is_external_setup(wpa_s->wpa))
 592                 ret = wpa_tdls_teardown_link(
 593                         wpa_s->wpa, peer,
 594                         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 595         else
 596                 ret = wpa_drv_tdls_oper(wpa_s, TDLS_TEARDOWN, peer);
 597
 598         return ret;
 599 }
 600
 601 #endif /* CONFIG_TDLS */
 602
 603
 604 #ifdef CONFIG_IEEE80211R
 605 static int wpa_supplicant_ctrl_iface_ft_ds(
 606         struct wpa_supplicant *wpa_s, char *addr)
 607 {
 608         u8 target_ap[ETH_ALEN];
 609         struct wpa_bss *bss;
 610         const u8 *mdie;
 611
 612         if (hwaddr_aton(addr, target_ap)) {
 613                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 614                            "address '%s'", addr);
 615                 return -1;
 616         }
 617
 618         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 619
 620         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 621         if (bss)
 622                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 623         else
 624                 mdie = NULL;
 625
 626         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 627 }
 628 #endif /* CONFIG_IEEE80211R */
 629
 630
 631 #ifdef CONFIG_WPS
 632 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 633                                              char *cmd)
 634 {
 635         u8 bssid[ETH_ALEN], *_bssid = bssid;
 636 #ifdef CONFIG_P2P
 637         u8 p2p_dev_addr[ETH_ALEN];
 638 #endif /* CONFIG_P2P */
 639 #ifdef CONFIG_AP
 640         u8 *_p2p_dev_addr = NULL;
 641 #endif /* CONFIG_AP */
 642
 643         if (cmd == NULL || os_strcmp(cmd, "any") == 0) {
 644                 _bssid = NULL;
 645 #ifdef CONFIG_P2P
 646         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 647                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 648                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 649                                    "P2P Device Address '%s'",
 650                                    cmd + 13);
 651                         return -1;
 652                 }
 653                 _p2p_dev_addr = p2p_dev_addr;
 654 #endif /* CONFIG_P2P */
 655         } else if (hwaddr_aton(cmd, bssid)) {
 656                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 657                            cmd);
 658                 return -1;
 659         }
 660
 661 #ifdef CONFIG_AP
 662         if (wpa_s->ap_iface)
 663                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 664 #endif /* CONFIG_AP */
 665
 666         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 667 }
 668
 669
 670 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 671                                              char *cmd, char *buf,
 672                                              size_t buflen)
 673 {
 674         u8 bssid[ETH_ALEN], *_bssid = bssid;
 675         char *pin;
 676         int ret;
 677
 678         pin = os_strchr(cmd, ' ');
 679         if (pin)
 680                 *pin++ = '\0';
 681
 682         if (os_strcmp(cmd, "any") == 0)
 683                 _bssid = NULL;
 684         else if (os_strcmp(cmd, "get") == 0) {
 685                 ret = wps_generate_pin();
 686                 goto done;
 687         } else if (hwaddr_aton(cmd, bssid)) {
 688                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 689                            cmd);
 690                 return -1;
 691         }
 692
 693 #ifdef CONFIG_AP
 694         if (wpa_s->ap_iface) {
 695                 int timeout = 0;
 696                 char *pos;
 697
 698                 if (pin) {
 699                         pos = os_strchr(pin, ' ');
 700                         if (pos) {
 701                                 *pos++ = '\0';
 702                                 timeout = atoi(pos);
 703                         }
 704                 }
 705
 706                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 707                                                  buf, buflen, timeout);
 708         }
 709 #endif /* CONFIG_AP */
 710
 711         if (pin) {
 712                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 713                                          DEV_PW_DEFAULT);
 714                 if (ret < 0)
 715                         return -1;
 716                 ret = os_snprintf(buf, buflen, "%s", pin);
 717                 if (ret < 0 || (size_t) ret >= buflen)
 718                         return -1;
 719                 return ret;
 720         }
 721
 722         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 723         if (ret < 0)
 724                 return -1;
 725
 726 done:
 727         /* Return the generated PIN */
 728         ret = os_snprintf(buf, buflen, "%08d", ret);
 729         if (ret < 0 || (size_t) ret >= buflen)
 730                 return -1;
 731         return ret;
 732 }
 733
 734
 735 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 736         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 737 {
 738         char pin[9];
 739         size_t len;
 740         char *pos;
 741         int ret;
 742
 743         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 744                               (u8 *) cmd, os_strlen(cmd));
 745         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 746                 if (*pos < '0' || *pos > '9')
 747                         continue;
 748                 pin[len++] = *pos;
 749                 if (len == 9) {
 750                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 751                         return -1;
 752                 }
 753         }
 754         if (len != 4 && len != 8) {
 755                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 756                 return -1;
 757         }
 758         pin[len] = '\0';
 759
 760         if (len == 8) {
 761                 unsigned int pin_val;
 762                 pin_val = atoi(pin);
 763                 if (!wps_pin_valid(pin_val)) {
 764                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 765                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 766                         if (ret < 0 || (size_t) ret >= buflen)
 767                                 return -1;
 768                         return ret;
 769                 }
 770         }
 771
 772         ret = os_snprintf(buf, buflen, "%s", pin);
 773         if (ret < 0 || (size_t) ret >= buflen)
 774                 return -1;
 775
 776         return ret;
 777 }
 778
 779
 780 #ifdef CONFIG_WPS_NFC
 781
 782 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 783                                              char *cmd)
 784 {
 785         u8 bssid[ETH_ALEN], *_bssid = bssid;
 786
 787         if (cmd == NULL || cmd[0] == '\0')
 788                 _bssid = NULL;
 789         else if (hwaddr_aton(cmd, bssid))
 790                 return -1;
 791
 792         return wpas_wps_start_nfc(wpa_s, _bssid);
 793 }
 794
 795
 796 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 797         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 798 {
 799         int ndef;
 800         struct wpabuf *buf;
 801         int res;
 802         char *pos;
 803
 804         pos = os_strchr(cmd, ' ');
 805         if (pos)
 806                 *pos++ = '\0';
 807         if (os_strcmp(cmd, "WPS") == 0)
 808                 ndef = 0;
 809         else if (os_strcmp(cmd, "NDEF") == 0)
 810                 ndef = 1;
 811         else
 812                 return -1;
 813
 814         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
 815         if (buf == NULL)
 816                 return -1;
 817
 818         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 819                                          wpabuf_len(buf));
 820         reply[res++] = '\n';
 821         reply[res] = '\0';
 822
 823         wpabuf_free(buf);
 824
 825         return res;
 826 }
 827
 828
 829 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 830         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 831 {
 832         int ndef;
 833         struct wpabuf *buf;
 834         int res;
 835
 836         if (os_strcmp(cmd, "WPS") == 0)
 837                 ndef = 0;
 838         else if (os_strcmp(cmd, "NDEF") == 0)
 839                 ndef = 1;
 840         else
 841                 return -1;
 842
 843         buf = wpas_wps_nfc_token(wpa_s, ndef);
 844         if (buf == NULL)
 845                 return -1;
 846
 847         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 848                                          wpabuf_len(buf));
 849         reply[res++] = '\n';
 850         reply[res] = '\0';
 851
 852         wpabuf_free(buf);
 853
 854         return res;
 855 }
 856
 857
 858 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 859         struct wpa_supplicant *wpa_s, char *pos)
 860 {
 861         size_t len;
 862         struct wpabuf *buf;
 863         int ret;
 864
 865         len = os_strlen(pos);
 866         if (len & 0x01)
 867                 return -1;
 868         len /= 2;
 869
 870         buf = wpabuf_alloc(len);
 871         if (buf == NULL)
 872                 return -1;
 873         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 874                 wpabuf_free(buf);
 875                 return -1;
 876         }
 877
 878         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 879         wpabuf_free(buf);
 880
 881         return ret;
 882 }
 883
 884
 885 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 886                                               char *reply, size_t max_len,
 887                                               int cr)
 888 {
 889         struct wpabuf *buf;
 890         int res;
 891
 892         buf = wpas_wps_nfc_handover_req(wpa_s, cr);
 893         if (buf == NULL)
 894                 return -1;
 895
 896         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 897                                          wpabuf_len(buf));
 898         reply[res++] = '\n';
 899         reply[res] = '\0';
 900
 901         wpabuf_free(buf);
 902
 903         return res;
 904 }
 905
 906
 907 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 908                                           char *cmd, char *reply,
 909                                           size_t max_len)
 910 {
 911         char *pos;
 912
 913         pos = os_strchr(cmd, ' ');
 914         if (pos == NULL)
 915                 return -1;
 916         *pos++ = '\0';
 917
 918         if (os_strcmp(cmd, "NDEF") != 0)
 919                 return -1;
 920
 921         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 922                 return wpas_ctrl_nfc_get_handover_req_wps(
 923                         wpa_s, reply, max_len, os_strcmp(pos, "WPS-CR") == 0);
 924         }
 925
 926         return -1;
 927 }
 928
 929
 930 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
 931                                               char *reply, size_t max_len,
 932                                               int ndef, int cr, char *uuid)
 933 {
 934         struct wpabuf *buf;
 935         int res;
 936
 937         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
 938         if (buf == NULL)
 939                 return -1;
 940
 941         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 942                                          wpabuf_len(buf));
 943         reply[res++] = '\n';
 944         reply[res] = '\0';
 945
 946         wpabuf_free(buf);
 947
 948         return res;
 949 }
 950
 951
 952 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
 953                                           char *cmd, char *reply,
 954                                           size_t max_len)
 955 {
 956         char *pos, *pos2;
 957         int ndef;
 958
 959         pos = os_strchr(cmd, ' ');
 960         if (pos == NULL)
 961                 return -1;
 962         *pos++ = '\0';
 963
 964         if (os_strcmp(cmd, "WPS") == 0)
 965                 ndef = 0;
 966         else if (os_strcmp(cmd, "NDEF") == 0)
 967                 ndef = 1;
 968         else
 969                 return -1;
 970
 971         pos2 = os_strchr(pos, ' ');
 972         if (pos2)
 973                 *pos2++ = '\0';
 974         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 975                 return wpas_ctrl_nfc_get_handover_sel_wps(
 976                         wpa_s, reply, max_len, ndef,
 977                         os_strcmp(pos, "WPS-CR") == 0, pos2);
 978         }
 979
 980         return -1;
 981 }
 982
 983
 984 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
 985                                          char *cmd, char *reply,
 986                                          size_t max_len)
 987 {
 988         size_t len;
 989         struct wpabuf *buf;
 990         int ret;
 991
 992         len = os_strlen(cmd);
 993         if (len & 0x01)
 994                 return -1;
 995         len /= 2;
 996
 997         buf = wpabuf_alloc(len);
 998         if (buf == NULL)
 999                 return -1;
1000         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1001                 wpabuf_free(buf);
1002                 return -1;
1003         }
1004
1005         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
1006         wpabuf_free(buf);
1007
1008         return ret;
1009 }
1010
1011
1012 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
1013                                          char *cmd)
1014 {
1015         size_t len;
1016         struct wpabuf *buf;
1017         int ret;
1018
1019         len = os_strlen(cmd);
1020         if (len & 0x01)
1021                 return -1;
1022         len /= 2;
1023
1024         buf = wpabuf_alloc(len);
1025         if (buf == NULL)
1026                 return -1;
1027         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1028                 wpabuf_free(buf);
1029                 return -1;
1030         }
1031
1032         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1033         wpabuf_free(buf);
1034
1035         return ret;
1036 }
1037
1038
1039 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1040                                          char *cmd)
1041 {
1042         size_t len;
1043         struct wpabuf *req, *sel;
1044         int ret;
1045         char *pos, *role, *type, *pos2;
1046
1047         role = cmd;
1048         pos = os_strchr(role, ' ');
1049         if (pos == NULL)
1050                 return -1;
1051         *pos++ = '\0';
1052
1053         type = pos;
1054         pos = os_strchr(type, ' ');
1055         if (pos == NULL)
1056                 return -1;
1057         *pos++ = '\0';
1058
1059         pos2 = os_strchr(pos, ' ');
1060         if (pos2 == NULL)
1061                 return -1;
1062         *pos2++ = '\0';
1063
1064         len = os_strlen(pos);
1065         if (len & 0x01)
1066                 return -1;
1067         len /= 2;
1068
1069         req = wpabuf_alloc(len);
1070         if (req == NULL)
1071                 return -1;
1072         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1073                 wpabuf_free(req);
1074                 return -1;
1075         }
1076
1077         len = os_strlen(pos2);
1078         if (len & 0x01) {
1079                 wpabuf_free(req);
1080                 return -1;
1081         }
1082         len /= 2;
1083
1084         sel = wpabuf_alloc(len);
1085         if (sel == NULL) {
1086                 wpabuf_free(req);
1087                 return -1;
1088         }
1089         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1090                 wpabuf_free(req);
1091                 wpabuf_free(sel);
1092                 return -1;
1093         }
1094
1095         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1096                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1097         } else {
1098                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1099                            "reported: role=%s type=%s", role, type);
1100                 ret = -1;
1101         }
1102         wpabuf_free(req);
1103         wpabuf_free(sel);
1104
1105         return ret;
1106 }
1107
1108 #endif /* CONFIG_WPS_NFC */
1109
1110
1111 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1112                                              char *cmd)
1113 {
1114         u8 bssid[ETH_ALEN];
1115         char *pin;
1116         char *new_ssid;
1117         char *new_auth;
1118         char *new_encr;
1119         char *new_key;
1120         struct wps_new_ap_settings ap;
1121
1122         pin = os_strchr(cmd, ' ');
1123         if (pin == NULL)
1124                 return -1;
1125         *pin++ = '\0';
1126
1127         if (hwaddr_aton(cmd, bssid)) {
1128                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1129                            cmd);
1130                 return -1;
1131         }
1132
1133         new_ssid = os_strchr(pin, ' ');
1134         if (new_ssid == NULL)
1135                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1136         *new_ssid++ = '\0';
1137
1138         new_auth = os_strchr(new_ssid, ' ');
1139         if (new_auth == NULL)
1140                 return -1;
1141         *new_auth++ = '\0';
1142
1143         new_encr = os_strchr(new_auth, ' ');
1144         if (new_encr == NULL)
1145                 return -1;
1146         *new_encr++ = '\0';
1147
1148         new_key = os_strchr(new_encr, ' ');
1149         if (new_key == NULL)
1150                 return -1;
1151         *new_key++ = '\0';
1152
1153         os_memset(&ap, 0, sizeof(ap));
1154         ap.ssid_hex = new_ssid;
1155         ap.auth = new_auth;
1156         ap.encr = new_encr;
1157         ap.key_hex = new_key;
1158         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1159 }
1160
1161
1162 #ifdef CONFIG_AP
1163 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1164                                                 char *cmd, char *buf,
1165                                                 size_t buflen)
1166 {
1167         int timeout = 300;
1168         char *pos;
1169         const char *pin_txt;
1170
1171         if (!wpa_s->ap_iface)
1172                 return -1;
1173
1174         pos = os_strchr(cmd, ' ');
1175         if (pos)
1176                 *pos++ = '\0';
1177
1178         if (os_strcmp(cmd, "disable") == 0) {
1179                 wpas_wps_ap_pin_disable(wpa_s);
1180                 return os_snprintf(buf, buflen, "OK\n");
1181         }
1182
1183         if (os_strcmp(cmd, "random") == 0) {
1184                 if (pos)
1185                         timeout = atoi(pos);
1186                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1187                 if (pin_txt == NULL)
1188                         return -1;
1189                 return os_snprintf(buf, buflen, "%s", pin_txt);
1190         }
1191
1192         if (os_strcmp(cmd, "get") == 0) {
1193                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1194                 if (pin_txt == NULL)
1195                         return -1;
1196                 return os_snprintf(buf, buflen, "%s", pin_txt);
1197         }
1198
1199         if (os_strcmp(cmd, "set") == 0) {
1200                 char *pin;
1201                 if (pos == NULL)
1202                         return -1;
1203                 pin = pos;
1204                 pos = os_strchr(pos, ' ');
1205                 if (pos) {
1206                         *pos++ = '\0';
1207                         timeout = atoi(pos);
1208                 }
1209                 if (os_strlen(pin) > buflen)
1210                         return -1;
1211                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1212                         return -1;
1213                 return os_snprintf(buf, buflen, "%s", pin);
1214         }
1215
1216         return -1;
1217 }
1218 #endif /* CONFIG_AP */
1219
1220
1221 #ifdef CONFIG_WPS_ER
1222 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1223                                                 char *cmd)
1224 {
1225         char *uuid = cmd, *pin, *pos;
1226         u8 addr_buf[ETH_ALEN], *addr = NULL;
1227         pin = os_strchr(uuid, ' ');
1228         if (pin == NULL)
1229                 return -1;
1230         *pin++ = '\0';
1231         pos = os_strchr(pin, ' ');
1232         if (pos) {
1233                 *pos++ = '\0';
1234                 if (hwaddr_aton(pos, addr_buf) == 0)
1235                         addr = addr_buf;
1236         }
1237         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1238 }
1239
1240
1241 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1242                                                   char *cmd)
1243 {
1244         char *uuid = cmd, *pin;
1245         pin = os_strchr(uuid, ' ');
1246         if (pin == NULL)
1247                 return -1;
1248         *pin++ = '\0';
1249         return wpas_wps_er_learn(wpa_s, uuid, pin);
1250 }
1251
1252
1253 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1254         struct wpa_supplicant *wpa_s, char *cmd)
1255 {
1256         char *uuid = cmd, *id;
1257         id = os_strchr(uuid, ' ');
1258         if (id == NULL)
1259                 return -1;
1260         *id++ = '\0';
1261         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1262 }
1263
1264
1265 static int wpa_supplicant_ctrl_iface_wps_er_config(
1266         struct wpa_supplicant *wpa_s, char *cmd)
1267 {
1268         char *pin;
1269         char *new_ssid;
1270         char *new_auth;
1271         char *new_encr;
1272         char *new_key;
1273         struct wps_new_ap_settings ap;
1274
1275         pin = os_strchr(cmd, ' ');
1276         if (pin == NULL)
1277                 return -1;
1278         *pin++ = '\0';
1279
1280         new_ssid = os_strchr(pin, ' ');
1281         if (new_ssid == NULL)
1282                 return -1;
1283         *new_ssid++ = '\0';
1284
1285         new_auth = os_strchr(new_ssid, ' ');
1286         if (new_auth == NULL)
1287                 return -1;
1288         *new_auth++ = '\0';
1289
1290         new_encr = os_strchr(new_auth, ' ');
1291         if (new_encr == NULL)
1292                 return -1;
1293         *new_encr++ = '\0';
1294
1295         new_key = os_strchr(new_encr, ' ');
1296         if (new_key == NULL)
1297                 return -1;
1298         *new_key++ = '\0';
1299
1300         os_memset(&ap, 0, sizeof(ap));
1301         ap.ssid_hex = new_ssid;
1302         ap.auth = new_auth;
1303         ap.encr = new_encr;
1304         ap.key_hex = new_key;
1305         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1306 }
1307
1308
1309 #ifdef CONFIG_WPS_NFC
1310 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1311         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1312 {
1313         int ndef;
1314         struct wpabuf *buf;
1315         int res;
1316         char *uuid;
1317
1318         uuid = os_strchr(cmd, ' ');
1319         if (uuid == NULL)
1320                 return -1;
1321         *uuid++ = '\0';
1322
1323         if (os_strcmp(cmd, "WPS") == 0)
1324                 ndef = 0;
1325         else if (os_strcmp(cmd, "NDEF") == 0)
1326                 ndef = 1;
1327         else
1328                 return -1;
1329
1330         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1331         if (buf == NULL)
1332                 return -1;
1333
1334         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1335                                          wpabuf_len(buf));
1336         reply[res++] = '\n';
1337         reply[res] = '\0';
1338
1339         wpabuf_free(buf);
1340
1341         return res;
1342 }
1343 #endif /* CONFIG_WPS_NFC */
1344 #endif /* CONFIG_WPS_ER */
1345
1346 #endif /* CONFIG_WPS */
1347
1348
1349 #ifdef CONFIG_IBSS_RSN
1350 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1351         struct wpa_supplicant *wpa_s, char *addr)
1352 {
1353         u8 peer[ETH_ALEN];
1354
1355         if (hwaddr_aton(addr, peer)) {
1356                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1357                            "address '%s'", addr);
1358                 return -1;
1359         }
1360
1361         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1362                    MAC2STR(peer));
1363
1364         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1365 }
1366 #endif /* CONFIG_IBSS_RSN */
1367
1368
1369 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1370                                               char *rsp)
1371 {
1372 #ifdef IEEE8021X_EAPOL
1373         char *pos, *id_pos;
1374         int id;
1375         struct wpa_ssid *ssid;
1376
1377         pos = os_strchr(rsp, '-');
1378         if (pos == NULL)
1379                 return -1;
1380         *pos++ = '\0';
1381         id_pos = pos;
1382         pos = os_strchr(pos, ':');
1383         if (pos == NULL)
1384                 return -1;
1385         *pos++ = '\0';
1386         id = atoi(id_pos);
1387         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1388         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1389                               (u8 *) pos, os_strlen(pos));
1390
1391         ssid = wpa_config_get_network(wpa_s->conf, id);
1392         if (ssid == NULL) {
1393                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1394                            "to update", id);
1395                 return -1;
1396         }
1397
1398         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1399                                                          pos);
1400 #else /* IEEE8021X_EAPOL */
1401         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1402         return -1;
1403 #endif /* IEEE8021X_EAPOL */
1404 }
1405
1406
1407 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1408                                             const char *params,
1409                                             char *buf, size_t buflen)
1410 {
1411         char *pos, *end, tmp[30];
1412         int res, verbose, wps, ret;
1413
1414         verbose = os_strcmp(params, "-VERBOSE") == 0;
1415         wps = os_strcmp(params, "-WPS") == 0;
1416         pos = buf;
1417         end = buf + buflen;
1418         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1419                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1420                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1421                                   MAC2STR(wpa_s->bssid));
1422                 if (ret < 0 || ret >= end - pos)
1423                         return pos - buf;
1424                 pos += ret;
1425                 if (ssid) {
1426                         u8 *_ssid = ssid->ssid;
1427                         size_t ssid_len = ssid->ssid_len;
1428                         u8 ssid_buf[MAX_SSID_LEN];
1429                         if (ssid_len == 0) {
1430                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1431                                 if (_res < 0)
1432                                         ssid_len = 0;
1433                                 else
1434                                         ssid_len = _res;
1435                                 _ssid = ssid_buf;
1436                         }
1437                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1438                                           wpa_ssid_txt(_ssid, ssid_len),
1439                                           ssid->id);
1440                         if (ret < 0 || ret >= end - pos)
1441                                 return pos - buf;
1442                         pos += ret;
1443
1444                         if (wps && ssid->passphrase &&
1445                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1446                             (ssid->mode == WPAS_MODE_AP ||
1447                              ssid->mode == WPAS_MODE_P2P_GO)) {
1448                                 ret = os_snprintf(pos, end - pos,
1449                                                   "passphrase=%s\n",
1450                                                   ssid->passphrase);
1451                                 if (ret < 0 || ret >= end - pos)
1452                                         return pos - buf;
1453                                 pos += ret;
1454                         }
1455                         if (ssid->id_str) {
1456                                 ret = os_snprintf(pos, end - pos,
1457                                                   "id_str=%s\n",
1458                                                   ssid->id_str);
1459                                 if (ret < 0 || ret >= end - pos)
1460                                         return pos - buf;
1461                                 pos += ret;
1462                         }
1463
1464                         switch (ssid->mode) {
1465                         case WPAS_MODE_INFRA:
1466                                 ret = os_snprintf(pos, end - pos,
1467                                                   "mode=station\n");
1468                                 break;
1469                         case WPAS_MODE_IBSS:
1470                                 ret = os_snprintf(pos, end - pos,
1471                                                   "mode=IBSS\n");
1472                                 break;
1473                         case WPAS_MODE_AP:
1474                                 ret = os_snprintf(pos, end - pos,
1475                                                   "mode=AP\n");
1476                                 break;
1477                         case WPAS_MODE_P2P_GO:
1478                                 ret = os_snprintf(pos, end - pos,
1479                                                   "mode=P2P GO\n");
1480                                 break;
1481                         case WPAS_MODE_P2P_GROUP_FORMATION:
1482                                 ret = os_snprintf(pos, end - pos,
1483                                                   "mode=P2P GO - group "
1484                                                   "formation\n");
1485                                 break;
1486                         default:
1487                                 ret = 0;
1488                                 break;
1489                         }
1490                         if (ret < 0 || ret >= end - pos)
1491                                 return pos - buf;
1492                         pos += ret;
1493                 }
1494
1495 #ifdef CONFIG_AP
1496                 if (wpa_s->ap_iface) {
1497                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1498                                                             end - pos,
1499                                                             verbose);
1500                 } else
1501 #endif /* CONFIG_AP */
1502                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1503         }
1504 #ifdef CONFIG_SAE
1505         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1506             wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1507                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1508                                   wpa_s->sme.sae.group);
1509                 if (ret < 0 || ret >= end - pos)
1510                         return pos - buf;
1511                 pos += ret;
1512         }
1513 #endif /* CONFIG_SAE */
1514         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1515                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1516         if (ret < 0 || ret >= end - pos)
1517                 return pos - buf;
1518         pos += ret;
1519
1520         if (wpa_s->l2 &&
1521             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1522                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1523                 if (ret < 0 || ret >= end - pos)
1524                         return pos - buf;
1525                 pos += ret;
1526         }
1527
1528 #ifdef CONFIG_P2P
1529         if (wpa_s->global->p2p) {
1530                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1531                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1532                 if (ret < 0 || ret >= end - pos)
1533                         return pos - buf;
1534                 pos += ret;
1535         }
1536 #endif /* CONFIG_P2P */
1537
1538         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1539                           MAC2STR(wpa_s->own_addr));
1540         if (ret < 0 || ret >= end - pos)
1541                 return pos - buf;
1542         pos += ret;
1543
1544 #ifdef CONFIG_HS20
1545         if (wpa_s->current_bss &&
1546             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1547             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1548             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1549                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1550                 if (ret < 0 || ret >= end - pos)
1551                         return pos - buf;
1552                 pos += ret;
1553         }
1554
1555         if (wpa_s->current_ssid) {
1556                 struct wpa_cred *cred;
1557                 char *type;
1558
1559                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1560                         if (wpa_s->current_ssid->parent_cred != cred)
1561                                 continue;
1562                         if (!cred->domain)
1563                                 continue;
1564
1565                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1566                                           cred->domain);
1567                         if (ret < 0 || ret >= end - pos)
1568                                 return pos - buf;
1569                         pos += ret;
1570
1571                         if (wpa_s->current_bss == NULL ||
1572                             wpa_s->current_bss->anqp == NULL)
1573                                 res = -1;
1574                         else
1575                                 res = interworking_home_sp_cred(
1576                                         wpa_s, cred,
1577                                         wpa_s->current_bss->anqp->domain_name);
1578                         if (res > 0)
1579                                 type = "home";
1580                         else if (res == 0)
1581                                 type = "roaming";
1582                         else
1583                                 type = "unknown";
1584
1585                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1586                         if (ret < 0 || ret >= end - pos)
1587                                 return pos - buf;
1588                         pos += ret;
1589
1590                         break;
1591                 }
1592         }
1593 #endif /* CONFIG_HS20 */
1594
1595         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1596             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1597                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1598                                           verbose);
1599                 if (res >= 0)
1600                         pos += res;
1601         }
1602
1603         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1604         if (res >= 0)
1605                 pos += res;
1606
1607         return pos - buf;
1608 }
1609
1610
1611 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1612                                            char *cmd)
1613 {
1614         char *pos;
1615         int id;
1616         struct wpa_ssid *ssid;
1617         u8 bssid[ETH_ALEN];
1618
1619         /* cmd: "<network id> <BSSID>" */
1620         pos = os_strchr(cmd, ' ');
1621         if (pos == NULL)
1622                 return -1;
1623         *pos++ = '\0';
1624         id = atoi(cmd);
1625         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1626         if (hwaddr_aton(pos, bssid)) {
1627                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1628                 return -1;
1629         }
1630
1631         ssid = wpa_config_get_network(wpa_s->conf, id);
1632         if (ssid == NULL) {
1633                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1634                            "to update", id);
1635                 return -1;
1636         }
1637
1638         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1639         ssid->bssid_set = !is_zero_ether_addr(bssid);
1640
1641         return 0;
1642 }
1643
1644
1645 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1646                                                char *cmd, char *buf,
1647                                                size_t buflen)
1648 {
1649         u8 bssid[ETH_ALEN];
1650         struct wpa_blacklist *e;
1651         char *pos, *end;
1652         int ret;
1653
1654         /* cmd: "BLACKLIST [<BSSID>]" */
1655         if (*cmd == '\0') {
1656                 pos = buf;
1657                 end = buf + buflen;
1658                 e = wpa_s->blacklist;
1659                 while (e) {
1660                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1661                                           MAC2STR(e->bssid));
1662                         if (ret < 0 || ret >= end - pos)
1663                                 return pos - buf;
1664                         pos += ret;
1665                         e = e->next;
1666                 }
1667                 return pos - buf;
1668         }
1669
1670         cmd++;
1671         if (os_strncmp(cmd, "clear", 5) == 0) {
1672                 wpa_blacklist_clear(wpa_s);
1673                 os_memcpy(buf, "OK\n", 3);
1674                 return 3;
1675         }
1676
1677         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1678         if (hwaddr_aton(cmd, bssid)) {
1679                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1680                 return -1;
1681         }
1682
1683         /*
1684          * Add the BSSID twice, so its count will be 2, causing it to be
1685          * skipped when processing scan results.
1686          */
1687         ret = wpa_blacklist_add(wpa_s, bssid);
1688         if (ret != 0)
1689                 return -1;
1690         ret = wpa_blacklist_add(wpa_s, bssid);
1691         if (ret != 0)
1692                 return -1;
1693         os_memcpy(buf, "OK\n", 3);
1694         return 3;
1695 }
1696
1697
1698 extern int wpa_debug_level;
1699 extern int wpa_debug_timestamp;
1700
1701 static const char * debug_level_str(int level)
1702 {
1703         switch (level) {
1704         case MSG_EXCESSIVE:
1705                 return "EXCESSIVE";
1706         case MSG_MSGDUMP:
1707                 return "MSGDUMP";
1708         case MSG_DEBUG:
1709                 return "DEBUG";
1710         case MSG_INFO:
1711                 return "INFO";
1712         case MSG_WARNING:
1713                 return "WARNING";
1714         case MSG_ERROR:
1715                 return "ERROR";
1716         default:
1717                 return "?";
1718         }
1719 }
1720
1721
1722 static int str_to_debug_level(const char *s)
1723 {
1724         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1725                 return MSG_EXCESSIVE;
1726         if (os_strcasecmp(s, "MSGDUMP") == 0)
1727                 return MSG_MSGDUMP;
1728         if (os_strcasecmp(s, "DEBUG") == 0)
1729                 return MSG_DEBUG;
1730         if (os_strcasecmp(s, "INFO") == 0)
1731                 return MSG_INFO;
1732         if (os_strcasecmp(s, "WARNING") == 0)
1733                 return MSG_WARNING;
1734         if (os_strcasecmp(s, "ERROR") == 0)
1735                 return MSG_ERROR;
1736         return -1;
1737 }
1738
1739
1740 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1741                                                char *cmd, char *buf,
1742                                                size_t buflen)
1743 {
1744         char *pos, *end, *stamp;
1745         int ret;
1746
1747         if (cmd == NULL) {
1748                 return -1;
1749         }
1750
1751         /* cmd: "LOG_LEVEL [<level>]" */
1752         if (*cmd == '\0') {
1753                 pos = buf;
1754                 end = buf + buflen;
1755                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1756                                   "Timestamp: %d\n",
1757                                   debug_level_str(wpa_debug_level),
1758                                   wpa_debug_timestamp);
1759                 if (ret < 0 || ret >= end - pos)
1760                         ret = 0;
1761
1762                 return ret;
1763         }
1764
1765         while (*cmd == ' ')
1766                 cmd++;
1767
1768         stamp = os_strchr(cmd, ' ');
1769         if (stamp) {
1770                 *stamp++ = '\0';
1771                 while (*stamp == ' ') {
1772                         stamp++;
1773                 }
1774         }
1775
1776         if (cmd && os_strlen(cmd)) {
1777                 int level = str_to_debug_level(cmd);
1778                 if (level < 0)
1779                         return -1;
1780                 wpa_debug_level = level;
1781         }
1782
1783         if (stamp && os_strlen(stamp))
1784                 wpa_debug_timestamp = atoi(stamp);
1785
1786         os_memcpy(buf, "OK\n", 3);
1787         return 3;
1788 }
1789
1790
1791 static int wpa_supplicant_ctrl_iface_list_networks(
1792         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1793 {
1794         char *pos, *end;
1795         struct wpa_ssid *ssid;
1796         int ret;
1797
1798         pos = buf;
1799         end = buf + buflen;
1800         ret = os_snprintf(pos, end - pos,
1801                           "network id / ssid / bssid / flags\n");
1802         if (ret < 0 || ret >= end - pos)
1803                 return pos - buf;
1804         pos += ret;
1805
1806         ssid = wpa_s->conf->ssid;
1807         while (ssid) {
1808                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1809                                   ssid->id,
1810                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1811                 if (ret < 0 || ret >= end - pos)
1812                         return pos - buf;
1813                 pos += ret;
1814                 if (ssid->bssid_set) {
1815                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1816                                           MAC2STR(ssid->bssid));
1817                 } else {
1818                         ret = os_snprintf(pos, end - pos, "\tany");
1819                 }
1820                 if (ret < 0 || ret >= end - pos)
1821                         return pos - buf;
1822                 pos += ret;
1823                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1824                                   ssid == wpa_s->current_ssid ?
1825                                   "[CURRENT]" : "",
1826                                   ssid->disabled ? "[DISABLED]" : "",
1827                                   ssid->disabled_until.sec ?
1828                                   "[TEMP-DISABLED]" : "",
1829                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1830                                   "");
1831                 if (ret < 0 || ret >= end - pos)
1832                         return pos - buf;
1833                 pos += ret;
1834                 ret = os_snprintf(pos, end - pos, "\n");
1835                 if (ret < 0 || ret >= end - pos)
1836                         return pos - buf;
1837                 pos += ret;
1838
1839                 ssid = ssid->next;
1840         }
1841
1842         return pos - buf;
1843 }
1844
1845
1846 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1847 {
1848         int ret;
1849         ret = os_snprintf(pos, end - pos, "-");
1850         if (ret < 0 || ret >= end - pos)
1851                 return pos;
1852         pos += ret;
1853         ret = wpa_write_ciphers(pos, end, cipher, "+");
1854         if (ret < 0)
1855                 return pos;
1856         pos += ret;
1857         return pos;
1858 }
1859
1860
1861 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1862                                     const u8 *ie, size_t ie_len)
1863 {
1864         struct wpa_ie_data data;
1865         int first, ret;
1866
1867         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1868         if (ret < 0 || ret >= end - pos)
1869                 return pos;
1870         pos += ret;
1871
1872         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1873                 ret = os_snprintf(pos, end - pos, "?]");
1874                 if (ret < 0 || ret >= end - pos)
1875                         return pos;
1876                 pos += ret;
1877                 return pos;
1878         }
1879
1880         first = 1;
1881         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1882                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1883                 if (ret < 0 || ret >= end - pos)
1884                         return pos;
1885                 pos += ret;
1886                 first = 0;
1887         }
1888         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1889                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1890                 if (ret < 0 || ret >= end - pos)
1891                         return pos;
1892                 pos += ret;
1893                 first = 0;
1894         }
1895         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1896                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1897                 if (ret < 0 || ret >= end - pos)
1898                         return pos;
1899                 pos += ret;
1900                 first = 0;
1901         }
1902 #ifdef CONFIG_IEEE80211R
1903         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1904                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1905                                   first ? "" : "+");
1906                 if (ret < 0 || ret >= end - pos)
1907                         return pos;
1908                 pos += ret;
1909                 first = 0;
1910         }
1911         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1912                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1913                                   first ? "" : "+");
1914                 if (ret < 0 || ret >= end - pos)
1915                         return pos;
1916                 pos += ret;
1917                 first = 0;
1918         }
1919 #endif /* CONFIG_IEEE80211R */
1920 #ifdef CONFIG_IEEE80211W
1921         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1922                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1923                                   first ? "" : "+");
1924                 if (ret < 0 || ret >= end - pos)
1925                         return pos;
1926                 pos += ret;
1927                 first = 0;
1928         }
1929         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1930                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1931                                   first ? "" : "+");
1932                 if (ret < 0 || ret >= end - pos)
1933                         return pos;
1934                 pos += ret;
1935                 first = 0;
1936         }
1937 #endif /* CONFIG_IEEE80211W */
1938
1939         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1940
1941         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1942                 ret = os_snprintf(pos, end - pos, "-preauth");
1943                 if (ret < 0 || ret >= end - pos)
1944                         return pos;
1945                 pos += ret;
1946         }
1947
1948         ret = os_snprintf(pos, end - pos, "]");
1949         if (ret < 0 || ret >= end - pos)
1950                 return pos;
1951         pos += ret;
1952
1953         return pos;
1954 }
1955
1956
1957 #ifdef CONFIG_WPS
1958 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1959                                             char *pos, char *end,
1960                                             struct wpabuf *wps_ie)
1961 {
1962         int ret;
1963         const char *txt;
1964
1965         if (wps_ie == NULL)
1966                 return pos;
1967         if (wps_is_selected_pbc_registrar(wps_ie))
1968                 txt = "[WPS-PBC]";
1969 #ifdef CONFIG_WPS2
1970         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1971                 txt = "[WPS-AUTH]";
1972 #endif /* CONFIG_WPS2 */
1973         else if (wps_is_selected_pin_registrar(wps_ie))
1974                 txt = "[WPS-PIN]";
1975         else
1976                 txt = "[WPS]";
1977
1978         ret = os_snprintf(pos, end - pos, "%s", txt);
1979         if (ret >= 0 && ret < end - pos)
1980                 pos += ret;
1981         wpabuf_free(wps_ie);
1982         return pos;
1983 }
1984 #endif /* CONFIG_WPS */
1985
1986
1987 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
1988                                         char *pos, char *end,
1989                                         const struct wpa_bss *bss)
1990 {
1991 #ifdef CONFIG_WPS
1992         struct wpabuf *wps_ie;
1993         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
1994         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
1995 #else /* CONFIG_WPS */
1996         return pos;
1997 #endif /* CONFIG_WPS */
1998 }
1999
2000
2001 /* Format one result on one text line into a buffer. */
2002 static int wpa_supplicant_ctrl_iface_scan_result(
2003         struct wpa_supplicant *wpa_s,
2004         const struct wpa_bss *bss, char *buf, size_t buflen)
2005 {
2006         char *pos, *end;
2007         int ret;
2008         const u8 *ie, *ie2, *p2p;
2009
2010         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2011         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2012             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2013             0)
2014                 return 0; /* Do not show P2P listen discovery results here */
2015
2016         pos = buf;
2017         end = buf + buflen;
2018
2019         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2020                           MAC2STR(bss->bssid), bss->freq, bss->level);
2021         if (ret < 0 || ret >= end - pos)
2022                 return -1;
2023         pos += ret;
2024         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2025         if (ie)
2026                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2027         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2028         if (ie2)
2029                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2030         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2031         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2032                 ret = os_snprintf(pos, end - pos, "[WEP]");
2033                 if (ret < 0 || ret >= end - pos)
2034                         return -1;
2035                 pos += ret;
2036         }
2037         if (bss->caps & IEEE80211_CAP_IBSS) {
2038                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2039                 if (ret < 0 || ret >= end - pos)
2040                         return -1;
2041                 pos += ret;
2042         }
2043         if (bss->caps & IEEE80211_CAP_ESS) {
2044                 ret = os_snprintf(pos, end - pos, "[ESS]");
2045                 if (ret < 0 || ret >= end - pos)
2046                         return -1;
2047                 pos += ret;
2048         }
2049         if (p2p) {
2050                 ret = os_snprintf(pos, end - pos, "[P2P]");
2051                 if (ret < 0 || ret >= end - pos)
2052                         return -1;
2053                 pos += ret;
2054         }
2055 #ifdef CONFIG_HS20
2056         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2057                 ret = os_snprintf(pos, end - pos, "[HS20]");
2058                 if (ret < 0 || ret >= end - pos)
2059                         return -1;
2060                 pos += ret;
2061         }
2062 #endif /* CONFIG_HS20 */
2063
2064         ret = os_snprintf(pos, end - pos, "\t%s",
2065                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2066         if (ret < 0 || ret >= end - pos)
2067                 return -1;
2068         pos += ret;
2069
2070         ret = os_snprintf(pos, end - pos, "\n");
2071         if (ret < 0 || ret >= end - pos)
2072                 return -1;
2073         pos += ret;
2074
2075         return pos - buf;
2076 }
2077
2078
2079 static int wpa_supplicant_ctrl_iface_scan_results(
2080         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2081 {
2082         char *pos, *end;
2083         struct wpa_bss *bss;
2084         int ret;
2085
2086         pos = buf;
2087         end = buf + buflen;
2088         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2089                           "flags / ssid\n");
2090         if (ret < 0 || ret >= end - pos)
2091                 return pos - buf;
2092         pos += ret;
2093
2094         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2095                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2096                                                             end - pos);
2097                 if (ret < 0 || ret >= end - pos)
2098                         return pos - buf;
2099                 pos += ret;
2100         }
2101
2102         return pos - buf;
2103 }
2104
2105
2106 static int wpa_supplicant_ctrl_iface_select_network(
2107         struct wpa_supplicant *wpa_s, char *cmd)
2108 {
2109         int id;
2110         struct wpa_ssid *ssid;
2111
2112         /* cmd: "<network id>" or "any" */
2113         if (os_strcmp(cmd, "any") == 0) {
2114                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2115                 ssid = NULL;
2116         } else {
2117                 id = atoi(cmd);
2118                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2119
2120                 ssid = wpa_config_get_network(wpa_s->conf, id);
2121                 if (ssid == NULL) {
2122                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2123                                    "network id=%d", id);
2124                         return -1;
2125                 }
2126                 if (ssid->disabled == 2) {
2127                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2128                                    "SELECT_NETWORK with persistent P2P group");
2129                         return -1;
2130                 }
2131         }
2132
2133         wpa_supplicant_select_network(wpa_s, ssid);
2134
2135         return 0;
2136 }
2137
2138
2139 static int wpa_supplicant_ctrl_iface_enable_network(
2140         struct wpa_supplicant *wpa_s, char *cmd)
2141 {
2142         int id;
2143         struct wpa_ssid *ssid;
2144
2145         /* cmd: "<network id>" or "all" */
2146         if (os_strcmp(cmd, "all") == 0) {
2147                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2148                 ssid = NULL;
2149         } else {
2150                 id = atoi(cmd);
2151                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2152
2153                 ssid = wpa_config_get_network(wpa_s->conf, id);
2154                 if (ssid == NULL) {
2155                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2156                                    "network id=%d", id);
2157                         return -1;
2158                 }
2159                 if (ssid->disabled == 2) {
2160                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2161                                    "ENABLE_NETWORK with persistent P2P group");
2162                         return -1;
2163                 }
2164
2165                 if (os_strstr(cmd, " no-connect")) {
2166                         ssid->disabled = 0;
2167                         return 0;
2168                 }
2169         }
2170         wpa_supplicant_enable_network(wpa_s, ssid);
2171
2172         return 0;
2173 }
2174
2175
2176 static int wpa_supplicant_ctrl_iface_disable_network(
2177         struct wpa_supplicant *wpa_s, char *cmd)
2178 {
2179         int id;
2180         struct wpa_ssid *ssid;
2181
2182         /* cmd: "<network id>" or "all" */
2183         if (os_strcmp(cmd, "all") == 0) {
2184                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2185                 ssid = NULL;
2186         } else {
2187                 id = atoi(cmd);
2188                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2189
2190                 ssid = wpa_config_get_network(wpa_s->conf, id);
2191                 if (ssid == NULL) {
2192                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2193                                    "network id=%d", id);
2194                         return -1;
2195                 }
2196                 if (ssid->disabled == 2) {
2197                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2198                                    "DISABLE_NETWORK with persistent P2P "
2199                                    "group");
2200                         return -1;
2201                 }
2202         }
2203         wpa_supplicant_disable_network(wpa_s, ssid);
2204
2205         return 0;
2206 }
2207
2208
2209 static int wpa_supplicant_ctrl_iface_add_network(
2210         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2211 {
2212         struct wpa_ssid *ssid;
2213         int ret;
2214
2215         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2216
2217         ssid = wpa_config_add_network(wpa_s->conf);
2218         if (ssid == NULL)
2219                 return -1;
2220
2221         wpas_notify_network_added(wpa_s, ssid);
2222
2223         ssid->disabled = 1;
2224         wpa_config_set_network_defaults(ssid);
2225
2226         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2227         if (ret < 0 || (size_t) ret >= buflen)
2228                 return -1;
2229         return ret;
2230 }
2231
2232
2233 static int wpa_supplicant_ctrl_iface_remove_network(
2234         struct wpa_supplicant *wpa_s, char *cmd)
2235 {
2236         int id;
2237         struct wpa_ssid *ssid;
2238         int was_disabled;
2239
2240         /* cmd: "<network id>" or "all" */
2241         if (os_strcmp(cmd, "all") == 0) {
2242                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2243                 if (wpa_s->sched_scanning)
2244                         wpa_supplicant_cancel_sched_scan(wpa_s);
2245
2246                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2247                 if (wpa_s->current_ssid) {
2248 #ifdef CONFIG_SME
2249                         wpa_s->sme.prev_bssid_set = 0;
2250 #endif /* CONFIG_SME */
2251                         wpa_sm_set_config(wpa_s->wpa, NULL);
2252                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2253                         wpa_supplicant_deauthenticate(
2254                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2255                 }
2256                 ssid = wpa_s->conf->ssid;
2257                 while (ssid) {
2258                         struct wpa_ssid *remove_ssid = ssid;
2259                         id = ssid->id;
2260                         ssid = ssid->next;
2261                         wpas_notify_network_removed(wpa_s, remove_ssid);
2262                         wpa_config_remove_network(wpa_s->conf, id);
2263                 }
2264                 return 0;
2265         }
2266
2267         id = atoi(cmd);
2268         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2269
2270         ssid = wpa_config_get_network(wpa_s->conf, id);
2271         if (ssid)
2272                 wpas_notify_network_removed(wpa_s, ssid);
2273         if (ssid == NULL) {
2274                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2275                            "id=%d", id);
2276                 return -1;
2277         }
2278
2279         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2280 #ifdef CONFIG_SME
2281                 wpa_s->sme.prev_bssid_set = 0;
2282 #endif /* CONFIG_SME */
2283                 /*
2284                  * Invalidate the EAP session cache if the current or
2285                  * previously used network is removed.
2286                  */
2287                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2288         }
2289
2290         if (ssid == wpa_s->current_ssid) {
2291                 wpa_sm_set_config(wpa_s->wpa, NULL);
2292                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2293
2294                 wpa_supplicant_deauthenticate(wpa_s,
2295                                               WLAN_REASON_DEAUTH_LEAVING);
2296         }
2297
2298         was_disabled = ssid->disabled;
2299
2300         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2301                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2302                            "network id=%d", id);
2303                 return -1;
2304         }
2305
2306         if (!was_disabled && wpa_s->sched_scanning) {
2307                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2308                            "network from filters");
2309                 wpa_supplicant_cancel_sched_scan(wpa_s);
2310                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2311         }
2312
2313         return 0;
2314 }
2315
2316
2317 static int wpa_supplicant_ctrl_iface_set_network(
2318         struct wpa_supplicant *wpa_s, char *cmd)
2319 {
2320         int id;
2321         struct wpa_ssid *ssid;
2322         char *name, *value;
2323
2324         /* cmd: "<network id> <variable name> <value>" */
2325         name = os_strchr(cmd, ' ');
2326         if (name == NULL)
2327                 return -1;
2328         *name++ = '\0';
2329
2330         value = os_strchr(name, ' ');
2331         if (value == NULL)
2332                 return -1;
2333         *value++ = '\0';
2334
2335         id = atoi(cmd);
2336         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2337                    id, name);
2338         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2339                               (u8 *) value, os_strlen(value));
2340
2341         ssid = wpa_config_get_network(wpa_s->conf, id);
2342         if (ssid == NULL) {
2343                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2344                            "id=%d", id);
2345                 return -1;
2346         }
2347
2348         if (wpa_config_set(ssid, name, value, 0) < 0) {
2349                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2350                            "variable '%s'", name);
2351                 return -1;
2352         }
2353
2354         if (os_strcmp(name, "bssid") != 0 &&
2355             os_strcmp(name, "priority") != 0)
2356                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2357
2358         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2359                 /*
2360                  * Invalidate the EAP session cache if anything in the current
2361                  * or previously used configuration changes.
2362                  */
2363                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2364         }
2365
2366         if ((os_strcmp(name, "psk") == 0 &&
2367              value[0] == '"' && ssid->ssid_len) ||
2368             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2369                 wpa_config_update_psk(ssid);
2370         else if (os_strcmp(name, "priority") == 0)
2371                 wpa_config_update_prio_list(wpa_s->conf);
2372
2373         return 0;
2374 }
2375
2376
2377 static int wpa_supplicant_ctrl_iface_get_network(
2378         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2379 {
2380         int id;
2381         size_t res;
2382         struct wpa_ssid *ssid;
2383         char *name, *value;
2384
2385         /* cmd: "<network id> <variable name>" */
2386         name = os_strchr(cmd, ' ');
2387         if (name == NULL || buflen == 0)
2388                 return -1;
2389         *name++ = '\0';
2390
2391         id = atoi(cmd);
2392         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2393                    id, name);
2394
2395         ssid = wpa_config_get_network(wpa_s->conf, id);
2396         if (ssid == NULL) {
2397                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2398                            "id=%d", id);
2399                 return -1;
2400         }
2401
2402         value = wpa_config_get_no_key(ssid, name);
2403         if (value == NULL) {
2404                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2405                            "variable '%s'", name);
2406                 return -1;
2407         }
2408
2409         res = os_strlcpy(buf, value, buflen);
2410         if (res >= buflen) {
2411                 os_free(value);
2412                 return -1;
2413         }
2414
2415         os_free(value);
2416
2417         return res;
2418 }
2419
2420
2421 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2422                                                 char *buf, size_t buflen)
2423 {
2424         char *pos, *end;
2425         struct wpa_cred *cred;
2426         int ret;
2427
2428         pos = buf;
2429         end = buf + buflen;
2430         ret = os_snprintf(pos, end - pos,
2431                           "cred id / realm / username / domain / imsi\n");
2432         if (ret < 0 || ret >= end - pos)
2433                 return pos - buf;
2434         pos += ret;
2435
2436         cred = wpa_s->conf->cred;
2437         while (cred) {
2438                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2439                                   cred->id, cred->realm ? cred->realm : "",
2440                                   cred->username ? cred->username : "",
2441                                   cred->domain ? cred->domain : "",
2442                                   cred->imsi ? cred->imsi : "");
2443                 if (ret < 0 || ret >= end - pos)
2444                         return pos - buf;
2445                 pos += ret;
2446
2447                 cred = cred->next;
2448         }
2449
2450         return pos - buf;
2451 }
2452
2453
2454 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2455                                               char *buf, size_t buflen)
2456 {
2457         struct wpa_cred *cred;
2458         int ret;
2459
2460         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2461
2462         cred = wpa_config_add_cred(wpa_s->conf);
2463         if (cred == NULL)
2464                 return -1;
2465
2466         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2467         if (ret < 0 || (size_t) ret >= buflen)
2468                 return -1;
2469         return ret;
2470 }
2471
2472
2473 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2474                                  struct wpa_cred *cred)
2475 {
2476         struct wpa_ssid *ssid;
2477         char str[20];
2478
2479         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2480                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2481                 return -1;
2482         }
2483
2484         /* Remove any network entry created based on the removed credential */
2485         ssid = wpa_s->conf->ssid;
2486         while (ssid) {
2487                 if (ssid->parent_cred == cred) {
2488                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2489                                    "used the removed credential", ssid->id);
2490                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2491                         ssid = ssid->next;
2492                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2493                 } else
2494                         ssid = ssid->next;
2495         }
2496
2497         return 0;
2498 }
2499
2500
2501 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2502                                                  char *cmd)
2503 {
2504         int id;
2505         struct wpa_cred *cred, *prev;
2506
2507         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2508         if (os_strcmp(cmd, "all") == 0) {
2509                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2510                 cred = wpa_s->conf->cred;
2511                 while (cred) {
2512                         prev = cred;
2513                         cred = cred->next;
2514                         wpas_ctrl_remove_cred(wpa_s, prev);
2515                 }
2516                 return 0;
2517         }
2518
2519         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2520                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2521                            cmd + 8);
2522                 cred = wpa_s->conf->cred;
2523                 while (cred) {
2524                         prev = cred;
2525                         cred = cred->next;
2526                         if (prev->domain &&
2527                             os_strcmp(prev->domain, cmd + 8) == 0)
2528                                 wpas_ctrl_remove_cred(wpa_s, prev);
2529                 }
2530                 return 0;
2531         }
2532
2533         id = atoi(cmd);
2534         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2535
2536         cred = wpa_config_get_cred(wpa_s->conf, id);
2537         return wpas_ctrl_remove_cred(wpa_s, cred);
2538 }
2539
2540
2541 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2542                                               char *cmd)
2543 {
2544         int id;
2545         struct wpa_cred *cred;
2546         char *name, *value;
2547
2548         /* cmd: "<cred id> <variable name> <value>" */
2549         name = os_strchr(cmd, ' ');
2550         if (name == NULL)
2551                 return -1;
2552         *name++ = '\0';
2553
2554         value = os_strchr(name, ' ');
2555         if (value == NULL)
2556                 return -1;
2557         *value++ = '\0';
2558
2559         id = atoi(cmd);
2560         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2561                    id, name);
2562         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2563                               (u8 *) value, os_strlen(value));
2564
2565         cred = wpa_config_get_cred(wpa_s->conf, id);
2566         if (cred == NULL) {
2567                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2568                            id);
2569                 return -1;
2570         }
2571
2572         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2573                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2574                            "variable '%s'", name);
2575                 return -1;
2576         }
2577
2578         return 0;
2579 }
2580
2581
2582 #ifndef CONFIG_NO_CONFIG_WRITE
2583 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2584 {
2585         int ret;
2586
2587         if (!wpa_s->conf->update_config) {
2588                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2589                            "to update configuration (update_config=0)");
2590                 return -1;
2591         }
2592
2593         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2594         if (ret) {
2595                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2596                            "update configuration");
2597         } else {
2598                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2599                            " updated");
2600         }
2601
2602         return ret;
2603 }
2604 #endif /* CONFIG_NO_CONFIG_WRITE */
2605
2606
2607 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2608                                               struct wpa_driver_capa *capa,
2609                                               char *buf, size_t buflen)
2610 {
2611         int ret, first = 1;
2612         char *pos, *end;
2613         size_t len;
2614
2615         pos = buf;
2616         end = pos + buflen;
2617
2618         if (res < 0) {
2619                 if (strict)
2620                         return 0;
2621                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2622                 if (len >= buflen)
2623                         return -1;
2624                 return len;
2625         }
2626
2627         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2628                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2629                 if (ret < 0 || ret >= end - pos)
2630                         return pos - buf;
2631                 pos += ret;
2632                 first = 0;
2633         }
2634
2635         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2636                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2637                 if (ret < 0 || ret >= end - pos)
2638                         return pos - buf;
2639                 pos += ret;
2640                 first = 0;
2641         }
2642
2643         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2644                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2645                 if (ret < 0 || ret >= end - pos)
2646                         return pos - buf;
2647                 pos += ret;
2648                 first = 0;
2649         }
2650
2651         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2652                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2653                 if (ret < 0 || ret >= end - pos)
2654                         return pos - buf;
2655                 pos += ret;
2656                 first = 0;
2657         }
2658
2659         return pos - buf;
2660 }
2661
2662
2663 static int ctrl_iface_get_capability_group(int res, char *strict,
2664                                            struct wpa_driver_capa *capa,
2665                                            char *buf, size_t buflen)
2666 {
2667         int ret, first = 1;
2668         char *pos, *end;
2669         size_t len;
2670
2671         pos = buf;
2672         end = pos + buflen;
2673
2674         if (res < 0) {
2675                 if (strict)
2676                         return 0;
2677                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2678                 if (len >= buflen)
2679                         return -1;
2680                 return len;
2681         }
2682
2683         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2684                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2685                 if (ret < 0 || ret >= end - pos)
2686                         return pos - buf;
2687                 pos += ret;
2688                 first = 0;
2689         }
2690
2691         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2692                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2693                 if (ret < 0 || ret >= end - pos)
2694                         return pos - buf;
2695                 pos += ret;
2696                 first = 0;
2697         }
2698
2699         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2700                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2701                 if (ret < 0 || ret >= end - pos)
2702                         return pos - buf;
2703                 pos += ret;
2704                 first = 0;
2705         }
2706
2707         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2708                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2709                                   first ? "" : " ");
2710                 if (ret < 0 || ret >= end - pos)
2711                         return pos - buf;
2712                 pos += ret;
2713                 first = 0;
2714         }
2715
2716         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2717                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2718                 if (ret < 0 || ret >= end - pos)
2719                         return pos - buf;
2720                 pos += ret;
2721                 first = 0;
2722         }
2723
2724         return pos - buf;
2725 }
2726
2727
2728 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2729                                               struct wpa_driver_capa *capa,
2730                                               char *buf, size_t buflen)
2731 {
2732         int ret;
2733         char *pos, *end;
2734         size_t len;
2735
2736         pos = buf;
2737         end = pos + buflen;
2738
2739         if (res < 0) {
2740                 if (strict)
2741                         return 0;
2742                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2743                                  "NONE", buflen);
2744                 if (len >= buflen)
2745                         return -1;
2746                 return len;
2747         }
2748
2749         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2750         if (ret < 0 || ret >= end - pos)
2751                 return pos - buf;
2752         pos += ret;
2753
2754         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2755                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2756                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2757                 if (ret < 0 || ret >= end - pos)
2758                         return pos - buf;
2759                 pos += ret;
2760         }
2761
2762         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2763                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2764                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2765                 if (ret < 0 || ret >= end - pos)
2766                         return pos - buf;
2767                 pos += ret;
2768         }
2769
2770         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2771                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
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 ctrl_iface_get_capability_proto(int res, char *strict,
2782                                            struct wpa_driver_capa *capa,
2783                                            char *buf, size_t buflen)
2784 {
2785         int ret, first = 1;
2786         char *pos, *end;
2787         size_t len;
2788
2789         pos = buf;
2790         end = pos + buflen;
2791
2792         if (res < 0) {
2793                 if (strict)
2794                         return 0;
2795                 len = os_strlcpy(buf, "RSN WPA", buflen);
2796                 if (len >= buflen)
2797                         return -1;
2798                 return len;
2799         }
2800
2801         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2802                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2803                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2804                 if (ret < 0 || ret >= end - pos)
2805                         return pos - buf;
2806                 pos += ret;
2807                 first = 0;
2808         }
2809
2810         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2811                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2812                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2813                 if (ret < 0 || ret >= end - pos)
2814                         return pos - buf;
2815                 pos += ret;
2816                 first = 0;
2817         }
2818
2819         return pos - buf;
2820 }
2821
2822
2823 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2824                                               struct wpa_driver_capa *capa,
2825                                               char *buf, size_t buflen)
2826 {
2827         int ret, first = 1;
2828         char *pos, *end;
2829         size_t len;
2830
2831         pos = buf;
2832         end = pos + buflen;
2833
2834         if (res < 0) {
2835                 if (strict)
2836                         return 0;
2837                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2838                 if (len >= buflen)
2839                         return -1;
2840                 return len;
2841         }
2842
2843         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2844                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2845                 if (ret < 0 || ret >= end - pos)
2846                         return pos - buf;
2847                 pos += ret;
2848                 first = 0;
2849         }
2850
2851         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2852                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2853                                   first ? "" : " ");
2854                 if (ret < 0 || ret >= end - pos)
2855                         return pos - buf;
2856                 pos += ret;
2857                 first = 0;
2858         }
2859
2860         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2861                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2862                 if (ret < 0 || ret >= end - pos)
2863                         return pos - buf;
2864                 pos += ret;
2865                 first = 0;
2866         }
2867
2868         return pos - buf;
2869 }
2870
2871
2872 static int ctrl_iface_get_capability_modes(int res, char *strict,
2873                                            struct wpa_driver_capa *capa,
2874                                            char *buf, size_t buflen)
2875 {
2876         int ret, first = 1;
2877         char *pos, *end;
2878         size_t len;
2879
2880         pos = buf;
2881         end = pos + buflen;
2882
2883         if (res < 0) {
2884                 if (strict)
2885                         return 0;
2886                 len = os_strlcpy(buf, "IBSS AP", buflen);
2887                 if (len >= buflen)
2888                         return -1;
2889                 return len;
2890         }
2891
2892         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2893                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2894                 if (ret < 0 || ret >= end - pos)
2895                         return pos - buf;
2896                 pos += ret;
2897                 first = 0;
2898         }
2899
2900         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2901                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2902                 if (ret < 0 || ret >= end - pos)
2903                         return pos - buf;
2904                 pos += ret;
2905                 first = 0;
2906         }
2907
2908         return pos - buf;
2909 }
2910
2911
2912 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2913                                               char *buf, size_t buflen)
2914 {
2915         struct hostapd_channel_data *chnl;
2916         int ret, i, j;
2917         char *pos, *end, *hmode;
2918
2919         pos = buf;
2920         end = pos + buflen;
2921
2922         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2923                 switch (wpa_s->hw.modes[j].mode) {
2924                 case HOSTAPD_MODE_IEEE80211B:
2925                         hmode = "B";
2926                         break;
2927                 case HOSTAPD_MODE_IEEE80211G:
2928                         hmode = "G";
2929                         break;
2930                 case HOSTAPD_MODE_IEEE80211A:
2931                         hmode = "A";
2932                         break;
2933                 case HOSTAPD_MODE_IEEE80211AD:
2934                         hmode = "AD";
2935                         break;
2936                 default:
2937                         continue;
2938                 }
2939                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2940                 if (ret < 0 || ret >= end - pos)
2941                         return pos - buf;
2942                 pos += ret;
2943                 chnl = wpa_s->hw.modes[j].channels;
2944                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2945                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2946                                 continue;
2947                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2948                         if (ret < 0 || ret >= end - pos)
2949                                 return pos - buf;
2950                         pos += ret;
2951                 }
2952                 ret = os_snprintf(pos, end - pos, "\n");
2953                 if (ret < 0 || ret >= end - pos)
2954                         return pos - buf;
2955                 pos += ret;
2956         }
2957
2958         return pos - buf;
2959 }
2960
2961
2962 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
2963                                           char *buf, size_t buflen)
2964 {
2965         struct hostapd_channel_data *chnl;
2966         int ret, i, j;
2967         char *pos, *end, *hmode;
2968
2969         pos = buf;
2970         end = pos + buflen;
2971
2972         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2973                 switch (wpa_s->hw.modes[j].mode) {
2974                 case HOSTAPD_MODE_IEEE80211B:
2975                         hmode = "B";
2976                         break;
2977                 case HOSTAPD_MODE_IEEE80211G:
2978                         hmode = "G";
2979                         break;
2980                 case HOSTAPD_MODE_IEEE80211A:
2981                         hmode = "A";
2982                         break;
2983                 case HOSTAPD_MODE_IEEE80211AD:
2984                         hmode = "AD";
2985                         break;
2986                 default:
2987                         continue;
2988                 }
2989                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
2990                                   hmode);
2991                 if (ret < 0 || ret >= end - pos)
2992                         return pos - buf;
2993                 pos += ret;
2994                 chnl = wpa_s->hw.modes[j].channels;
2995                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2996                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2997                                 continue;
2998                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
2999                                           chnl[i].chan, chnl[i].freq,
3000                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3001                                           " (NO_IBSS)" : "");
3002                         if (ret < 0 || ret >= end - pos)
3003                                 return pos - buf;
3004                         pos += ret;
3005                 }
3006                 ret = os_snprintf(pos, end - pos, "\n");
3007                 if (ret < 0 || ret >= end - pos)
3008                         return pos - buf;
3009                 pos += ret;
3010         }
3011
3012         return pos - buf;
3013 }
3014
3015
3016 static int wpa_supplicant_ctrl_iface_get_capability(
3017         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3018         size_t buflen)
3019 {
3020         struct wpa_driver_capa capa;
3021         int res;
3022         char *strict;
3023         char field[30];
3024         size_t len;
3025
3026         /* Determine whether or not strict checking was requested */
3027         len = os_strlcpy(field, _field, sizeof(field));
3028         if (len >= sizeof(field))
3029                 return -1;
3030         strict = os_strchr(field, ' ');
3031         if (strict != NULL) {
3032                 *strict++ = '\0';
3033                 if (os_strcmp(strict, "strict") != 0)
3034                         return -1;
3035         }
3036
3037         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3038                 field, strict ? strict : "");
3039
3040         if (os_strcmp(field, "eap") == 0) {
3041                 return eap_get_names(buf, buflen);
3042         }
3043
3044         res = wpa_drv_get_capa(wpa_s, &capa);
3045
3046         if (os_strcmp(field, "pairwise") == 0)
3047                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3048                                                           buf, buflen);
3049
3050         if (os_strcmp(field, "group") == 0)
3051                 return ctrl_iface_get_capability_group(res, strict, &capa,
3052                                                        buf, buflen);
3053
3054         if (os_strcmp(field, "key_mgmt") == 0)
3055                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3056                                                           buf, buflen);
3057
3058         if (os_strcmp(field, "proto") == 0)
3059                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3060                                                        buf, buflen);
3061
3062         if (os_strcmp(field, "auth_alg") == 0)
3063                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3064                                                           buf, buflen);
3065
3066         if (os_strcmp(field, "modes") == 0)
3067                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3068                                                        buf, buflen);
3069
3070         if (os_strcmp(field, "channels") == 0)
3071                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3072
3073         if (os_strcmp(field, "freq") == 0)
3074                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3075
3076         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3077                    field);
3078
3079         return -1;
3080 }
3081
3082
3083 #ifdef CONFIG_INTERWORKING
3084 static char * anqp_add_hex(char *pos, char *end, const char *title,
3085                            struct wpabuf *data)
3086 {
3087         char *start = pos;
3088         size_t i;
3089         int ret;
3090         const u8 *d;
3091
3092         if (data == NULL)
3093                 return start;
3094
3095         ret = os_snprintf(pos, end - pos, "%s=", title);
3096         if (ret < 0 || ret >= end - pos)
3097                 return start;
3098         pos += ret;
3099
3100         d = wpabuf_head_u8(data);
3101         for (i = 0; i < wpabuf_len(data); i++) {
3102                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3103                 if (ret < 0 || ret >= end - pos)
3104                         return start;
3105                 pos += ret;
3106         }
3107
3108         ret = os_snprintf(pos, end - pos, "\n");
3109         if (ret < 0 || ret >= end - pos)
3110                 return start;
3111         pos += ret;
3112
3113         return pos;
3114 }
3115 #endif /* CONFIG_INTERWORKING */
3116
3117
3118 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3119                           unsigned long mask, char *buf, size_t buflen)
3120 {
3121         size_t i;
3122         int ret;
3123         char *pos, *end;
3124         const u8 *ie, *ie2;
3125
3126         pos = buf;
3127         end = buf + buflen;
3128
3129         if (mask & WPA_BSS_MASK_ID) {
3130                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3131                 if (ret < 0 || ret >= end - pos)
3132                         return 0;
3133                 pos += ret;
3134         }
3135
3136         if (mask & WPA_BSS_MASK_BSSID) {
3137                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3138                                   MAC2STR(bss->bssid));
3139                 if (ret < 0 || ret >= end - pos)
3140                         return 0;
3141                 pos += ret;
3142         }
3143
3144         if (mask & WPA_BSS_MASK_FREQ) {
3145                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3146                 if (ret < 0 || ret >= end - pos)
3147                         return 0;
3148                 pos += ret;
3149         }
3150
3151         if (mask & WPA_BSS_MASK_BEACON_INT) {
3152                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3153                                   bss->beacon_int);
3154                 if (ret < 0 || ret >= end - pos)
3155                         return 0;
3156                 pos += ret;
3157         }
3158
3159         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3160                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3161                                   bss->caps);
3162                 if (ret < 0 || ret >= end - pos)
3163                         return 0;
3164                 pos += ret;
3165         }
3166
3167         if (mask & WPA_BSS_MASK_QUAL) {
3168                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3169                 if (ret < 0 || ret >= end - pos)
3170                         return 0;
3171                 pos += ret;
3172         }
3173
3174         if (mask & WPA_BSS_MASK_NOISE) {
3175                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3176                 if (ret < 0 || ret >= end - pos)
3177                         return 0;
3178                 pos += ret;
3179         }
3180
3181         if (mask & WPA_BSS_MASK_LEVEL) {
3182                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3183                 if (ret < 0 || ret >= end - pos)
3184                         return 0;
3185                 pos += ret;
3186         }
3187
3188         if (mask & WPA_BSS_MASK_TSF) {
3189                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3190                                   (unsigned long long) bss->tsf);
3191                 if (ret < 0 || ret >= end - pos)
3192                         return 0;
3193                 pos += ret;
3194         }
3195
3196         if (mask & WPA_BSS_MASK_AGE) {
3197                 struct os_time now;
3198
3199                 os_get_time(&now);
3200                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3201                                   (int) (now.sec - bss->last_update.sec));
3202                 if (ret < 0 || ret >= end - pos)
3203                         return 0;
3204                 pos += ret;
3205         }
3206
3207         if (mask & WPA_BSS_MASK_IE) {
3208                 ret = os_snprintf(pos, end - pos, "ie=");
3209                 if (ret < 0 || ret >= end - pos)
3210                         return 0;
3211                 pos += ret;
3212
3213                 ie = (const u8 *) (bss + 1);
3214                 for (i = 0; i < bss->ie_len; i++) {
3215                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3216                         if (ret < 0 || ret >= end - pos)
3217                                 return 0;
3218                         pos += ret;
3219                 }
3220
3221                 ret = os_snprintf(pos, end - pos, "\n");
3222                 if (ret < 0 || ret >= end - pos)
3223                         return 0;
3224                 pos += ret;
3225         }
3226
3227         if (mask & WPA_BSS_MASK_FLAGS) {
3228                 ret = os_snprintf(pos, end - pos, "flags=");
3229                 if (ret < 0 || ret >= end - pos)
3230                         return 0;
3231                 pos += ret;
3232
3233                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3234                 if (ie)
3235                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3236                                                     2 + ie[1]);
3237                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3238                 if (ie2)
3239                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3240                                                     2 + ie2[1]);
3241                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3242                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3243                         ret = os_snprintf(pos, end - pos, "[WEP]");
3244                         if (ret < 0 || ret >= end - pos)
3245                                 return 0;
3246                         pos += ret;
3247                 }
3248                 if (bss->caps & IEEE80211_CAP_IBSS) {
3249                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3250                         if (ret < 0 || ret >= end - pos)
3251                                 return 0;
3252                         pos += ret;
3253                 }
3254                 if (bss->caps & IEEE80211_CAP_ESS) {
3255                         ret = os_snprintf(pos, end - pos, "[ESS]");
3256                         if (ret < 0 || ret >= end - pos)
3257                                 return 0;
3258                         pos += ret;
3259                 }
3260                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3261                         ret = os_snprintf(pos, end - pos, "[P2P]");
3262                         if (ret < 0 || ret >= end - pos)
3263                                 return 0;
3264                         pos += ret;
3265                 }
3266 #ifdef CONFIG_HS20
3267                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3268                         ret = os_snprintf(pos, end - pos, "[HS20]");
3269                         if (ret < 0 || ret >= end - pos)
3270                                 return 0;
3271                         pos += ret;
3272                 }
3273 #endif /* CONFIG_HS20 */
3274
3275                 ret = os_snprintf(pos, end - pos, "\n");
3276                 if (ret < 0 || ret >= end - pos)
3277                         return 0;
3278                 pos += ret;
3279         }
3280
3281         if (mask & WPA_BSS_MASK_SSID) {
3282                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3283                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3284                 if (ret < 0 || ret >= end - pos)
3285                         return 0;
3286                 pos += ret;
3287         }
3288
3289 #ifdef CONFIG_WPS
3290         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3291                 ie = (const u8 *) (bss + 1);
3292                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3293                 if (ret < 0 || ret >= end - pos)
3294                         return 0;
3295                 pos += ret;
3296         }
3297 #endif /* CONFIG_WPS */
3298
3299 #ifdef CONFIG_P2P
3300         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3301                 ie = (const u8 *) (bss + 1);
3302                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3303                 if (ret < 0 || ret >= end - pos)
3304                         return 0;
3305                 pos += ret;
3306         }
3307 #endif /* CONFIG_P2P */
3308
3309 #ifdef CONFIG_WIFI_DISPLAY
3310         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3311                 struct wpabuf *wfd;
3312                 ie = (const u8 *) (bss + 1);
3313                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3314                                                   WFD_IE_VENDOR_TYPE);
3315                 if (wfd) {
3316                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3317                         if (ret < 0 || ret >= end - pos)
3318                                 return 0;
3319                         pos += ret;
3320
3321                         pos += wpa_snprintf_hex(pos, end - pos,
3322                                                 wpabuf_head(wfd),
3323                                                 wpabuf_len(wfd));
3324                         wpabuf_free(wfd);
3325
3326                         ret = os_snprintf(pos, end - pos, "\n");
3327                         if (ret < 0 || ret >= end - pos)
3328                                 return 0;
3329                         pos += ret;
3330                 }
3331         }
3332 #endif /* CONFIG_WIFI_DISPLAY */
3333
3334 #ifdef CONFIG_INTERWORKING
3335         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3336                 struct wpa_bss_anqp *anqp = bss->anqp;
3337                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3338                                    anqp->venue_name);
3339                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3340                                    anqp->network_auth_type);
3341                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3342                                    anqp->roaming_consortium);
3343                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3344                                    anqp->ip_addr_type_availability);
3345                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3346                                    anqp->nai_realm);
3347                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3348                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3349                                    anqp->domain_name);
3350 #ifdef CONFIG_HS20
3351                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3352                                    anqp->hs20_operator_friendly_name);
3353                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3354                                    anqp->hs20_wan_metrics);
3355                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3356                                    anqp->hs20_connection_capability);
3357 #endif /* CONFIG_HS20 */
3358         }
3359 #endif /* CONFIG_INTERWORKING */
3360
3361         if (mask & WPA_BSS_MASK_DELIM) {
3362                 ret = os_snprintf(pos, end - pos, "====\n");
3363                 if (ret < 0 || ret >= end - pos)
3364                         return 0;
3365                 pos += ret;
3366         }
3367
3368         return pos - buf;
3369 }
3370
3371
3372 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3373                                          const char *cmd, char *buf,
3374                                          size_t buflen)
3375 {
3376         u8 bssid[ETH_ALEN];
3377         size_t i;
3378         struct wpa_bss *bss;
3379         struct wpa_bss *bsslast = NULL;
3380         struct dl_list *next;
3381         int ret = 0;
3382         int len;
3383         char *ctmp;
3384         unsigned long mask = WPA_BSS_MASK_ALL;
3385
3386         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3387                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3388                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3389                                             list_id);
3390                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3391                                                list_id);
3392                 } else { /* N1-N2 */
3393                         unsigned int id1, id2;
3394
3395                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3396                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3397                                            "format");
3398                                 return 0;
3399                         }
3400
3401                         if (*(cmd + 6) == '-')
3402                                 id1 = 0;
3403                         else
3404                                 id1 = atoi(cmd + 6);
3405                         ctmp++;
3406                         if (*ctmp >= '0' && *ctmp <= '9')
3407                                 id2 = atoi(ctmp);
3408                         else
3409                                 id2 = (unsigned int) -1;
3410                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3411                         if (id2 == (unsigned int) -1)
3412                                 bsslast = dl_list_last(&wpa_s->bss_id,
3413                                                        struct wpa_bss,
3414                                                        list_id);
3415                         else {
3416                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3417                                 if (bsslast == NULL && bss && id2 > id1) {
3418                                         struct wpa_bss *tmp = bss;
3419                                         for (;;) {
3420                                                 next = tmp->list_id.next;
3421                                                 if (next == &wpa_s->bss_id)
3422                                                         break;
3423                                                 tmp = dl_list_entry(
3424                                                         next, struct wpa_bss,
3425                                                         list_id);
3426                                                 if (tmp->id > id2)
3427                                                         break;
3428                                                 bsslast = tmp;
3429                                         }
3430                                 }
3431                         }
3432                 }
3433         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3434                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3435         else if (os_strncmp(cmd, "LAST", 4) == 0)
3436                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3437         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3438                 i = atoi(cmd + 3);
3439                 bss = wpa_bss_get_id(wpa_s, i);
3440         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3441                 i = atoi(cmd + 5);
3442                 bss = wpa_bss_get_id(wpa_s, i);
3443                 if (bss) {
3444                         next = bss->list_id.next;
3445                         if (next == &wpa_s->bss_id)
3446                                 bss = NULL;
3447                         else
3448                                 bss = dl_list_entry(next, struct wpa_bss,
3449                                                     list_id);
3450                 }
3451 #ifdef CONFIG_P2P
3452         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3453                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3454                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3455                 else
3456                         bss = NULL;
3457 #endif /* CONFIG_P2P */
3458         } else if (hwaddr_aton(cmd, bssid) == 0)
3459                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3460         else {
3461                 struct wpa_bss *tmp;
3462                 i = atoi(cmd);
3463                 bss = NULL;
3464                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3465                 {
3466                         if (i-- == 0) {
3467                                 bss = tmp;
3468                                 break;
3469                         }
3470                 }
3471         }
3472
3473         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3474                 mask = strtoul(ctmp + 5, NULL, 0x10);
3475                 if (mask == 0)
3476                         mask = WPA_BSS_MASK_ALL;
3477         }
3478
3479         if (bss == NULL)
3480                 return 0;
3481
3482         if (bsslast == NULL)
3483                 bsslast = bss;
3484         do {
3485                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3486                 ret += len;
3487                 buf += len;
3488                 buflen -= len;
3489                 if (bss == bsslast) {
3490                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3491                             (bss == dl_list_last(&wpa_s->bss_id,
3492                                                  struct wpa_bss, list_id)))
3493                                 os_snprintf(buf - 5, 5, "####\n");
3494                         break;
3495                 }
3496                 next = bss->list_id.next;
3497                 if (next == &wpa_s->bss_id)
3498                         break;
3499                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3500         } while (bss && len);
3501
3502         return ret;
3503 }
3504
3505
3506 static int wpa_supplicant_ctrl_iface_ap_scan(
3507         struct wpa_supplicant *wpa_s, char *cmd)
3508 {
3509         int ap_scan = atoi(cmd);
3510         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3511 }
3512
3513
3514 static int wpa_supplicant_ctrl_iface_scan_interval(
3515         struct wpa_supplicant *wpa_s, char *cmd)
3516 {
3517         int scan_int = atoi(cmd);
3518         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3519 }
3520
3521
3522 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3523         struct wpa_supplicant *wpa_s, char *cmd)
3524 {
3525         int expire_age = atoi(cmd);
3526         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3527 }
3528
3529
3530 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3531         struct wpa_supplicant *wpa_s, char *cmd)
3532 {
3533         int expire_count = atoi(cmd);
3534         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3535 }
3536
3537
3538 static int wpa_supplicant_ctrl_iface_bss_flush(
3539         struct wpa_supplicant *wpa_s, char *cmd)
3540 {
3541         int flush_age = atoi(cmd);
3542
3543         if (flush_age == 0)
3544                 wpa_bss_flush(wpa_s);
3545         else
3546                 wpa_bss_flush_by_age(wpa_s, flush_age);
3547         return 0;
3548 }
3549
3550
3551 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3552 {
3553         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3554         /* MLME-DELETEKEYS.request */
3555         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3556         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3557         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3558         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3559 #ifdef CONFIG_IEEE80211W
3560         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3561         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3562 #endif /* CONFIG_IEEE80211W */
3563
3564         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3565                         0);
3566         /* MLME-SETPROTECTION.request(None) */
3567         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3568                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3569                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3570         wpa_sm_drop_sa(wpa_s->wpa);
3571 }
3572
3573
3574 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3575                                           char *addr)
3576 {
3577 #ifdef CONFIG_NO_SCAN_PROCESSING
3578         return -1;
3579 #else /* CONFIG_NO_SCAN_PROCESSING */
3580         u8 bssid[ETH_ALEN];
3581         struct wpa_bss *bss;
3582         struct wpa_ssid *ssid = wpa_s->current_ssid;
3583
3584         if (hwaddr_aton(addr, bssid)) {
3585                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3586                            "address '%s'", addr);
3587                 return -1;
3588         }
3589
3590         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3591
3592         if (!ssid) {
3593                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3594                            "configuration known for the target AP");
3595                 return -1;
3596         }
3597
3598         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3599         if (!bss) {
3600                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3601                            "from BSS table");
3602                 return -1;
3603         }
3604
3605         /*
3606          * TODO: Find best network configuration block from configuration to
3607          * allow roaming to other networks
3608          */
3609
3610         wpa_s->reassociate = 1;
3611         wpa_supplicant_connect(wpa_s, bss, ssid);
3612
3613         return 0;
3614 #endif /* CONFIG_NO_SCAN_PROCESSING */
3615 }
3616
3617
3618 #ifdef CONFIG_P2P
3619 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3620 {
3621         unsigned int timeout = atoi(cmd);
3622         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3623         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3624         char *pos;
3625         unsigned int search_delay;
3626
3627         if (os_strstr(cmd, "type=social"))
3628                 type = P2P_FIND_ONLY_SOCIAL;
3629         else if (os_strstr(cmd, "type=progressive"))
3630                 type = P2P_FIND_PROGRESSIVE;
3631
3632         pos = os_strstr(cmd, "dev_id=");
3633         if (pos) {
3634                 pos += 7;
3635                 if (hwaddr_aton(pos, dev_id))
3636                         return -1;
3637                 _dev_id = dev_id;
3638         }
3639
3640         pos = os_strstr(cmd, "delay=");
3641         if (pos) {
3642                 pos += 6;
3643                 search_delay = atoi(pos);
3644         } else
3645                 search_delay = wpas_p2p_search_delay(wpa_s);
3646
3647         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3648                              search_delay);
3649 }
3650
3651
3652 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3653                             char *buf, size_t buflen)
3654 {
3655         u8 addr[ETH_ALEN];
3656         char *pos, *pos2;
3657         char *pin = NULL;
3658         enum p2p_wps_method wps_method;
3659         int new_pin;
3660         int ret;
3661         int persistent_group, persistent_id = -1;
3662         int join;
3663         int auth;
3664         int automatic;
3665         int go_intent = -1;
3666         int freq = 0;
3667         int pd;
3668         int ht40;
3669
3670         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3671          * [persistent|persistent=<network id>]
3672          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3673          * [ht40] */
3674
3675         if (hwaddr_aton(cmd, addr))
3676                 return -1;
3677
3678         pos = cmd + 17;
3679         if (*pos != ' ')
3680                 return -1;
3681         pos++;
3682
3683         persistent_group = os_strstr(pos, " persistent") != NULL;
3684         pos2 = os_strstr(pos, " persistent=");
3685         if (pos2) {
3686                 struct wpa_ssid *ssid;
3687                 persistent_id = atoi(pos2 + 12);
3688                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3689                 if (ssid == NULL || ssid->disabled != 2 ||
3690                     ssid->mode != WPAS_MODE_P2P_GO) {
3691                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3692                                    "SSID id=%d for persistent P2P group (GO)",
3693                                    persistent_id);
3694                         return -1;
3695                 }
3696         }
3697         join = os_strstr(pos, " join") != NULL;
3698         auth = os_strstr(pos, " auth") != NULL;
3699         automatic = os_strstr(pos, " auto") != NULL;
3700         pd = os_strstr(pos, " provdisc") != NULL;
3701         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3702
3703         pos2 = os_strstr(pos, " go_intent=");
3704         if (pos2) {
3705                 pos2 += 11;
3706                 go_intent = atoi(pos2);
3707                 if (go_intent < 0 || go_intent > 15)
3708                         return -1;
3709         }
3710
3711         pos2 = os_strstr(pos, " freq=");
3712         if (pos2) {
3713                 pos2 += 6;
3714                 freq = atoi(pos2);
3715                 if (freq <= 0)
3716                         return -1;
3717         }
3718
3719         if (os_strncmp(pos, "pin", 3) == 0) {
3720                 /* Request random PIN (to be displayed) and enable the PIN */
3721                 wps_method = WPS_PIN_DISPLAY;
3722         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3723                 wps_method = WPS_PBC;
3724         } else {
3725                 pin = pos;
3726                 pos = os_strchr(pin, ' ');
3727                 wps_method = WPS_PIN_KEYPAD;
3728                 if (pos) {
3729                         *pos++ = '\0';
3730                         if (os_strncmp(pos, "display", 7) == 0)
3731                                 wps_method = WPS_PIN_DISPLAY;
3732                 }
3733                 if (!wps_pin_str_valid(pin)) {
3734                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3735                         return 17;
3736                 }
3737         }
3738
3739         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3740                                    persistent_group, automatic, join,
3741                                    auth, go_intent, freq, persistent_id, pd,
3742                                    ht40);
3743         if (new_pin == -2) {
3744                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3745                 return 25;
3746         }
3747         if (new_pin == -3) {
3748                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3749                 return 25;
3750         }
3751         if (new_pin < 0)
3752                 return -1;
3753         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3754                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3755                 if (ret < 0 || (size_t) ret >= buflen)
3756                         return -1;
3757                 return ret;
3758         }
3759
3760         os_memcpy(buf, "OK\n", 3);
3761         return 3;
3762 }
3763
3764
3765 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3766 {
3767         unsigned int timeout = atoi(cmd);
3768         return wpas_p2p_listen(wpa_s, timeout);
3769 }
3770
3771
3772 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3773 {
3774         u8 addr[ETH_ALEN];
3775         char *pos;
3776         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3777
3778         /* <addr> <config method> [join|auto] */
3779
3780         if (hwaddr_aton(cmd, addr))
3781                 return -1;
3782
3783         pos = cmd + 17;
3784         if (*pos != ' ')
3785                 return -1;
3786         pos++;
3787
3788         if (os_strstr(pos, " join") != NULL)
3789                 use = WPAS_P2P_PD_FOR_JOIN;
3790         else if (os_strstr(pos, " auto") != NULL)
3791                 use = WPAS_P2P_PD_AUTO;
3792
3793         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3794 }
3795
3796
3797 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3798                               size_t buflen)
3799 {
3800         struct wpa_ssid *ssid = wpa_s->current_ssid;
3801
3802         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3803             ssid->passphrase == NULL)
3804                 return -1;
3805
3806         os_strlcpy(buf, ssid->passphrase, buflen);
3807         return os_strlen(buf);
3808 }
3809
3810
3811 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3812                                   char *buf, size_t buflen)
3813 {
3814         u64 ref;
3815         int res;
3816         u8 dst_buf[ETH_ALEN], *dst;
3817         struct wpabuf *tlvs;
3818         char *pos;
3819         size_t len;
3820
3821         if (hwaddr_aton(cmd, dst_buf))
3822                 return -1;
3823         dst = dst_buf;
3824         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3825             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3826                 dst = NULL;
3827         pos = cmd + 17;
3828         if (*pos != ' ')
3829                 return -1;
3830         pos++;
3831
3832         if (os_strncmp(pos, "upnp ", 5) == 0) {
3833                 u8 version;
3834                 pos += 5;
3835                 if (hexstr2bin(pos, &version, 1) < 0)
3836                         return -1;
3837                 pos += 2;
3838                 if (*pos != ' ')
3839                         return -1;
3840                 pos++;
3841                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3842 #ifdef CONFIG_WIFI_DISPLAY
3843         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3844                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3845 #endif /* CONFIG_WIFI_DISPLAY */
3846         } else {
3847                 len = os_strlen(pos);
3848                 if (len & 1)
3849                         return -1;
3850                 len /= 2;
3851                 tlvs = wpabuf_alloc(len);
3852                 if (tlvs == NULL)
3853                         return -1;
3854                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3855                         wpabuf_free(tlvs);
3856                         return -1;
3857                 }
3858
3859                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3860                 wpabuf_free(tlvs);
3861         }
3862         if (ref == 0)
3863                 return -1;
3864         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3865         if (res < 0 || (unsigned) res >= buflen)
3866                 return -1;
3867         return res;
3868 }
3869
3870
3871 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3872                                          char *cmd)
3873 {
3874         long long unsigned val;
3875         u64 req;
3876         if (sscanf(cmd, "%llx", &val) != 1)
3877                 return -1;
3878         req = val;
3879         return wpas_p2p_sd_cancel_request(wpa_s, req);
3880 }
3881
3882
3883 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3884 {
3885         int freq;
3886         u8 dst[ETH_ALEN];
3887         u8 dialog_token;
3888         struct wpabuf *resp_tlvs;
3889         char *pos, *pos2;
3890         size_t len;
3891
3892         pos = os_strchr(cmd, ' ');
3893         if (pos == NULL)
3894                 return -1;
3895         *pos++ = '\0';
3896         freq = atoi(cmd);
3897         if (freq == 0)
3898                 return -1;
3899
3900         if (hwaddr_aton(pos, dst))
3901                 return -1;
3902         pos += 17;
3903         if (*pos != ' ')
3904                 return -1;
3905         pos++;
3906
3907         pos2 = os_strchr(pos, ' ');
3908         if (pos2 == NULL)
3909                 return -1;
3910         *pos2++ = '\0';
3911         dialog_token = atoi(pos);
3912
3913         len = os_strlen(pos2);
3914         if (len & 1)
3915                 return -1;
3916         len /= 2;
3917         resp_tlvs = wpabuf_alloc(len);
3918         if (resp_tlvs == NULL)
3919                 return -1;
3920         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3921                 wpabuf_free(resp_tlvs);
3922                 return -1;
3923         }
3924
3925         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3926         wpabuf_free(resp_tlvs);
3927         return 0;
3928 }
3929
3930
3931 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3932                                        char *cmd)
3933 {
3934         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3935                 return -1;
3936         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3937         return 0;
3938 }
3939
3940
3941 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3942                                         char *cmd)
3943 {
3944         char *pos;
3945         size_t len;
3946         struct wpabuf *query, *resp;
3947
3948         pos = os_strchr(cmd, ' ');
3949         if (pos == NULL)
3950                 return -1;
3951         *pos++ = '\0';
3952
3953         len = os_strlen(cmd);
3954         if (len & 1)
3955                 return -1;
3956         len /= 2;
3957         query = wpabuf_alloc(len);
3958         if (query == NULL)
3959                 return -1;
3960         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3961                 wpabuf_free(query);
3962                 return -1;
3963         }
3964
3965         len = os_strlen(pos);
3966         if (len & 1) {
3967                 wpabuf_free(query);
3968                 return -1;
3969         }
3970         len /= 2;
3971         resp = wpabuf_alloc(len);
3972         if (resp == NULL) {
3973                 wpabuf_free(query);
3974                 return -1;
3975         }
3976         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3977                 wpabuf_free(query);
3978                 wpabuf_free(resp);
3979                 return -1;
3980         }
3981
3982         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3983                 wpabuf_free(query);
3984                 wpabuf_free(resp);
3985                 return -1;
3986         }
3987         return 0;
3988 }
3989
3990
3991 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
3992 {
3993         char *pos;
3994         u8 version;
3995
3996         pos = os_strchr(cmd, ' ');
3997         if (pos == NULL)
3998                 return -1;
3999         *pos++ = '\0';
4000
4001         if (hexstr2bin(cmd, &version, 1) < 0)
4002                 return -1;
4003
4004         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4005 }
4006
4007
4008 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4009 {
4010         char *pos;
4011
4012         pos = os_strchr(cmd, ' ');
4013         if (pos == NULL)
4014                 return -1;
4015         *pos++ = '\0';
4016
4017         if (os_strcmp(cmd, "bonjour") == 0)
4018                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4019         if (os_strcmp(cmd, "upnp") == 0)
4020                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4021         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4022         return -1;
4023 }
4024
4025
4026 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4027                                         char *cmd)
4028 {
4029         size_t len;
4030         struct wpabuf *query;
4031         int ret;
4032
4033         len = os_strlen(cmd);
4034         if (len & 1)
4035                 return -1;
4036         len /= 2;
4037         query = wpabuf_alloc(len);
4038         if (query == NULL)
4039                 return -1;
4040         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4041                 wpabuf_free(query);
4042                 return -1;
4043         }
4044
4045         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4046         wpabuf_free(query);
4047         return ret;
4048 }
4049
4050
4051 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4052 {
4053         char *pos;
4054         u8 version;
4055
4056         pos = os_strchr(cmd, ' ');
4057         if (pos == NULL)
4058                 return -1;
4059         *pos++ = '\0';
4060
4061         if (hexstr2bin(cmd, &version, 1) < 0)
4062                 return -1;
4063
4064         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4065 }
4066
4067
4068 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4069 {
4070         char *pos;
4071
4072         pos = os_strchr(cmd, ' ');
4073         if (pos == NULL)
4074                 return -1;
4075         *pos++ = '\0';
4076
4077         if (os_strcmp(cmd, "bonjour") == 0)
4078                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4079         if (os_strcmp(cmd, "upnp") == 0)
4080                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4081         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4082         return -1;
4083 }
4084
4085
4086 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4087 {
4088         u8 addr[ETH_ALEN];
4089
4090         /* <addr> */
4091
4092         if (hwaddr_aton(cmd, addr))
4093                 return -1;
4094
4095         return wpas_p2p_reject(wpa_s, addr);
4096 }
4097
4098
4099 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4100 {
4101         char *pos;
4102         int id;
4103         struct wpa_ssid *ssid;
4104         u8 *_peer = NULL, peer[ETH_ALEN];
4105         int freq = 0, pref_freq = 0;
4106         int ht40;
4107
4108         id = atoi(cmd);
4109         pos = os_strstr(cmd, " peer=");
4110         if (pos) {
4111                 pos += 6;
4112                 if (hwaddr_aton(pos, peer))
4113                         return -1;
4114                 _peer = peer;
4115         }
4116         ssid = wpa_config_get_network(wpa_s->conf, id);
4117         if (ssid == NULL || ssid->disabled != 2) {
4118                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4119                            "for persistent P2P group",
4120                            id);
4121                 return -1;
4122         }
4123
4124         pos = os_strstr(cmd, " freq=");
4125         if (pos) {
4126                 pos += 6;
4127                 freq = atoi(pos);
4128                 if (freq <= 0)
4129                         return -1;
4130         }
4131
4132         pos = os_strstr(cmd, " pref=");
4133         if (pos) {
4134                 pos += 6;
4135                 pref_freq = atoi(pos);
4136                 if (pref_freq <= 0)
4137                         return -1;
4138         }
4139
4140         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4141
4142         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, pref_freq);
4143 }
4144
4145
4146 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4147 {
4148         char *pos;
4149         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4150
4151         pos = os_strstr(cmd, " peer=");
4152         if (!pos)
4153                 return -1;
4154
4155         *pos = '\0';
4156         pos += 6;
4157         if (hwaddr_aton(pos, peer)) {
4158                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4159                 return -1;
4160         }
4161
4162         pos = os_strstr(pos, " go_dev_addr=");
4163         if (pos) {
4164                 pos += 13;
4165                 if (hwaddr_aton(pos, go_dev_addr)) {
4166                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4167                                    pos);
4168                         return -1;
4169                 }
4170                 go_dev = go_dev_addr;
4171         }
4172
4173         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4174 }
4175
4176
4177 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4178 {
4179         if (os_strncmp(cmd, "persistent=", 11) == 0)
4180                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4181         if (os_strncmp(cmd, "group=", 6) == 0)
4182                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4183
4184         return -1;
4185 }
4186
4187
4188 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4189                                          char *cmd, int freq, int ht40)
4190 {
4191         int id;
4192         struct wpa_ssid *ssid;
4193
4194         id = atoi(cmd);
4195         ssid = wpa_config_get_network(wpa_s->conf, id);
4196         if (ssid == NULL || ssid->disabled != 2) {
4197                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4198                            "for persistent P2P group",
4199                            id);
4200                 return -1;
4201         }
4202
4203         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, NULL);
4204 }
4205
4206
4207 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4208 {
4209         int freq = 0, ht40;
4210         char *pos;
4211
4212         pos = os_strstr(cmd, "freq=");
4213         if (pos)
4214                 freq = atoi(pos + 5);
4215
4216         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4217
4218         if (os_strncmp(cmd, "persistent=", 11) == 0)
4219                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4220                                                      ht40);
4221         if (os_strcmp(cmd, "persistent") == 0 ||
4222             os_strncmp(cmd, "persistent ", 11) == 0)
4223                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4224         if (os_strncmp(cmd, "freq=", 5) == 0)
4225                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4226         if (ht40)
4227                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4228
4229         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4230                    cmd);
4231         return -1;
4232 }
4233
4234
4235 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4236                          char *buf, size_t buflen)
4237 {
4238         u8 addr[ETH_ALEN], *addr_ptr;
4239         int next, res;
4240         const struct p2p_peer_info *info;
4241         char *pos, *end;
4242         char devtype[WPS_DEV_TYPE_BUFSIZE];
4243         struct wpa_ssid *ssid;
4244         size_t i;
4245
4246         if (!wpa_s->global->p2p)
4247                 return -1;
4248
4249         if (os_strcmp(cmd, "FIRST") == 0) {
4250                 addr_ptr = NULL;
4251                 next = 0;
4252         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4253                 if (hwaddr_aton(cmd + 5, addr) < 0)
4254                         return -1;
4255                 addr_ptr = addr;
4256                 next = 1;
4257         } else {
4258                 if (hwaddr_aton(cmd, addr) < 0)
4259                         return -1;
4260                 addr_ptr = addr;
4261                 next = 0;
4262         }
4263
4264         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4265         if (info == NULL)
4266                 return -1;
4267
4268         pos = buf;
4269         end = buf + buflen;
4270
4271         res = os_snprintf(pos, end - pos, MACSTR "\n"
4272                           "pri_dev_type=%s\n"
4273                           "device_name=%s\n"
4274                           "manufacturer=%s\n"
4275                           "model_name=%s\n"
4276                           "model_number=%s\n"
4277                           "serial_number=%s\n"
4278                           "config_methods=0x%x\n"
4279                           "dev_capab=0x%x\n"
4280                           "group_capab=0x%x\n"
4281                           "level=%d\n",
4282                           MAC2STR(info->p2p_device_addr),
4283                           wps_dev_type_bin2str(info->pri_dev_type,
4284                                                devtype, sizeof(devtype)),
4285                           info->device_name,
4286                           info->manufacturer,
4287                           info->model_name,
4288                           info->model_number,
4289                           info->serial_number,
4290                           info->config_methods,
4291                           info->dev_capab,
4292                           info->group_capab,
4293                           info->level);
4294         if (res < 0 || res >= end - pos)
4295                 return pos - buf;
4296         pos += res;
4297
4298         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4299         {
4300                 const u8 *t;
4301                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4302                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4303                                   wps_dev_type_bin2str(t, devtype,
4304                                                        sizeof(devtype)));
4305                 if (res < 0 || res >= end - pos)
4306                         return pos - buf;
4307                 pos += res;
4308         }
4309
4310         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4311         if (ssid) {
4312                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4313                 if (res < 0 || res >= end - pos)
4314                         return pos - buf;
4315                 pos += res;
4316         }
4317
4318         res = p2p_get_peer_info_txt(info, pos, end - pos);
4319         if (res < 0)
4320                 return pos - buf;
4321         pos += res;
4322
4323         return pos - buf;
4324 }
4325
4326
4327 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4328                                   const char *param)
4329 {
4330         struct wpa_freq_range *freq = NULL, *n;
4331         unsigned int count = 0, i;
4332         const char *pos, *pos2, *pos3;
4333
4334         if (wpa_s->global->p2p == NULL)
4335                 return -1;
4336
4337         /*
4338          * param includes comma separated frequency range.
4339          * For example: 2412-2432,2462,5000-6000
4340          */
4341         pos = param;
4342         while (pos && pos[0]) {
4343                 n = os_realloc_array(freq, count + 1,
4344                                      sizeof(struct wpa_freq_range));
4345                 if (n == NULL) {
4346                         os_free(freq);
4347                         return -1;
4348                 }
4349                 freq = n;
4350                 freq[count].min = atoi(pos);
4351                 pos2 = os_strchr(pos, '-');
4352                 pos3 = os_strchr(pos, ',');
4353                 if (pos2 && (!pos3 || pos2 < pos3)) {
4354                         pos2++;
4355                         freq[count].max = atoi(pos2);
4356                 } else
4357                         freq[count].max = freq[count].min;
4358                 pos = pos3;
4359                 if (pos)
4360                         pos++;
4361                 count++;
4362         }
4363
4364         for (i = 0; i < count; i++) {
4365                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4366                            freq[i].min, freq[i].max);
4367         }
4368
4369         os_free(wpa_s->global->p2p_disallow_freq);
4370         wpa_s->global->p2p_disallow_freq = freq;
4371         wpa_s->global->num_p2p_disallow_freq = count;
4372         wpas_p2p_update_channel_list(wpa_s);
4373         return 0;
4374 }
4375
4376
4377 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4378 {
4379         char *param;
4380
4381         if (wpa_s->global->p2p == NULL)
4382                 return -1;
4383
4384         param = os_strchr(cmd, ' ');
4385         if (param == NULL)
4386                 return -1;
4387         *param++ = '\0';
4388
4389         if (os_strcmp(cmd, "discoverability") == 0) {
4390                 p2p_set_client_discoverability(wpa_s->global->p2p,
4391                                                atoi(param));
4392                 return 0;
4393         }
4394
4395         if (os_strcmp(cmd, "managed") == 0) {
4396                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4397                 return 0;
4398         }
4399
4400         if (os_strcmp(cmd, "listen_channel") == 0) {
4401                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4402                                               atoi(param));
4403         }
4404
4405         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4406                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4407                                             os_strlen(param));
4408         }
4409
4410         if (os_strcmp(cmd, "noa") == 0) {
4411                 char *pos;
4412                 int count, start, duration;
4413                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4414                 count = atoi(param);
4415                 pos = os_strchr(param, ',');
4416                 if (pos == NULL)
4417                         return -1;
4418                 pos++;
4419                 start = atoi(pos);
4420                 pos = os_strchr(pos, ',');
4421                 if (pos == NULL)
4422                         return -1;
4423                 pos++;
4424                 duration = atoi(pos);
4425                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4426                         return -1;
4427                 if (count == 0 && duration > 0)
4428                         return -1;
4429                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4430                            "start=%d duration=%d", count, start, duration);
4431                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4432         }
4433
4434         if (os_strcmp(cmd, "ps") == 0)
4435                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4436
4437         if (os_strcmp(cmd, "oppps") == 0)
4438                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4439
4440         if (os_strcmp(cmd, "ctwindow") == 0)
4441                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4442
4443         if (os_strcmp(cmd, "disabled") == 0) {
4444                 wpa_s->global->p2p_disabled = atoi(param);
4445                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4446                            wpa_s->global->p2p_disabled ?
4447                            "disabled" : "enabled");
4448                 if (wpa_s->global->p2p_disabled) {
4449                         wpas_p2p_stop_find(wpa_s);
4450                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4451                         p2p_flush(wpa_s->global->p2p);
4452                 }
4453                 return 0;
4454         }
4455
4456         if (os_strcmp(cmd, "conc_pref") == 0) {
4457                 if (os_strcmp(param, "sta") == 0)
4458                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4459                 else if (os_strcmp(param, "p2p") == 0)
4460                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4461                 else {
4462                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4463                         return -1;
4464                 }
4465                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4466                            "%s", param);
4467                 return 0;
4468         }
4469
4470         if (os_strcmp(cmd, "force_long_sd") == 0) {
4471                 wpa_s->force_long_sd = atoi(param);
4472                 return 0;
4473         }
4474
4475         if (os_strcmp(cmd, "peer_filter") == 0) {
4476                 u8 addr[ETH_ALEN];
4477                 if (hwaddr_aton(param, addr))
4478                         return -1;
4479                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4480                 return 0;
4481         }
4482
4483         if (os_strcmp(cmd, "cross_connect") == 0)
4484                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4485
4486         if (os_strcmp(cmd, "go_apsd") == 0) {
4487                 if (os_strcmp(param, "disable") == 0)
4488                         wpa_s->set_ap_uapsd = 0;
4489                 else {
4490                         wpa_s->set_ap_uapsd = 1;
4491                         wpa_s->ap_uapsd = atoi(param);
4492                 }
4493                 return 0;
4494         }
4495
4496         if (os_strcmp(cmd, "client_apsd") == 0) {
4497                 if (os_strcmp(param, "disable") == 0)
4498                         wpa_s->set_sta_uapsd = 0;
4499                 else {
4500                         int be, bk, vi, vo;
4501                         char *pos;
4502                         /* format: BE,BK,VI,VO;max SP Length */
4503                         be = atoi(param);
4504                         pos = os_strchr(param, ',');
4505                         if (pos == NULL)
4506                                 return -1;
4507                         pos++;
4508                         bk = atoi(pos);
4509                         pos = os_strchr(pos, ',');
4510                         if (pos == NULL)
4511                                 return -1;
4512                         pos++;
4513                         vi = atoi(pos);
4514                         pos = os_strchr(pos, ',');
4515                         if (pos == NULL)
4516                                 return -1;
4517                         pos++;
4518                         vo = atoi(pos);
4519                         /* ignore max SP Length for now */
4520
4521                         wpa_s->set_sta_uapsd = 1;
4522                         wpa_s->sta_uapsd = 0;
4523                         if (be)
4524                                 wpa_s->sta_uapsd |= BIT(0);
4525                         if (bk)
4526                                 wpa_s->sta_uapsd |= BIT(1);
4527                         if (vi)
4528                                 wpa_s->sta_uapsd |= BIT(2);
4529                         if (vo)
4530                                 wpa_s->sta_uapsd |= BIT(3);
4531                 }
4532                 return 0;
4533         }
4534
4535         if (os_strcmp(cmd, "disallow_freq") == 0)
4536                 return p2p_ctrl_disallow_freq(wpa_s, param);
4537
4538         if (os_strcmp(cmd, "disc_int") == 0) {
4539                 int min_disc_int, max_disc_int, max_disc_tu;
4540                 char *pos;
4541
4542                 pos = param;
4543
4544                 min_disc_int = atoi(pos);
4545                 pos = os_strchr(pos, ' ');
4546                 if (pos == NULL)
4547                         return -1;
4548                 *pos++ = '\0';
4549
4550                 max_disc_int = atoi(pos);
4551                 pos = os_strchr(pos, ' ');
4552                 if (pos == NULL)
4553                         return -1;
4554                 *pos++ = '\0';
4555
4556                 max_disc_tu = atoi(pos);
4557
4558                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4559                                         max_disc_int, max_disc_tu);
4560         }
4561
4562         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4563                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4564                 return 0;
4565         }
4566
4567         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4568                    cmd);
4569
4570         return -1;
4571 }
4572
4573
4574 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4575 {
4576         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4577         wpa_s->force_long_sd = 0;
4578         if (wpa_s->global->p2p)
4579                 p2p_flush(wpa_s->global->p2p);
4580 }
4581
4582
4583 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4584 {
4585         char *pos, *pos2;
4586         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4587
4588         if (cmd[0]) {
4589                 pos = os_strchr(cmd, ' ');
4590                 if (pos == NULL)
4591                         return -1;
4592                 *pos++ = '\0';
4593                 dur1 = atoi(cmd);
4594
4595                 pos2 = os_strchr(pos, ' ');
4596                 if (pos2)
4597                         *pos2++ = '\0';
4598                 int1 = atoi(pos);
4599         } else
4600                 pos2 = NULL;
4601
4602         if (pos2) {
4603                 pos = os_strchr(pos2, ' ');
4604                 if (pos == NULL)
4605                         return -1;
4606                 *pos++ = '\0';
4607                 dur2 = atoi(pos2);
4608                 int2 = atoi(pos);
4609         }
4610
4611         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4612 }
4613
4614
4615 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4616 {
4617         char *pos;
4618         unsigned int period = 0, interval = 0;
4619
4620         if (cmd[0]) {
4621                 pos = os_strchr(cmd, ' ');
4622                 if (pos == NULL)
4623                         return -1;
4624                 *pos++ = '\0';
4625                 period = atoi(cmd);
4626                 interval = atoi(pos);
4627         }
4628
4629         return wpas_p2p_ext_listen(wpa_s, period, interval);
4630 }
4631
4632 #endif /* CONFIG_P2P */
4633
4634
4635 #ifdef CONFIG_INTERWORKING
4636 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4637 {
4638         u8 bssid[ETH_ALEN];
4639         struct wpa_bss *bss;
4640
4641         if (hwaddr_aton(dst, bssid)) {
4642                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4643                 return -1;
4644         }
4645
4646         bss = wpa_bss_get_bssid(wpa_s, bssid);
4647         if (bss == NULL) {
4648                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4649                            MAC2STR(bssid));
4650                 return -1;
4651         }
4652
4653         return interworking_connect(wpa_s, bss);
4654 }
4655
4656
4657 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4658 {
4659         u8 dst_addr[ETH_ALEN];
4660         int used;
4661         char *pos;
4662 #define MAX_ANQP_INFO_ID 100
4663         u16 id[MAX_ANQP_INFO_ID];
4664         size_t num_id = 0;
4665
4666         used = hwaddr_aton2(dst, dst_addr);
4667         if (used < 0)
4668                 return -1;
4669         pos = dst + used;
4670         while (num_id < MAX_ANQP_INFO_ID) {
4671                 id[num_id] = atoi(pos);
4672                 if (id[num_id])
4673                         num_id++;
4674                 pos = os_strchr(pos + 1, ',');
4675                 if (pos == NULL)
4676                         break;
4677                 pos++;
4678         }
4679
4680         if (num_id == 0)
4681                 return -1;
4682
4683         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4684 }
4685
4686
4687 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4688 {
4689         u8 dst_addr[ETH_ALEN];
4690         struct wpabuf *advproto, *query = NULL;
4691         int used, ret = -1;
4692         char *pos, *end;
4693         size_t len;
4694
4695         used = hwaddr_aton2(cmd, dst_addr);
4696         if (used < 0)
4697                 return -1;
4698
4699         pos = cmd + used;
4700         while (*pos == ' ')
4701                 pos++;
4702
4703         /* Advertisement Protocol ID */
4704         end = os_strchr(pos, ' ');
4705         if (end)
4706                 len = end - pos;
4707         else
4708                 len = os_strlen(pos);
4709         if (len & 0x01)
4710                 return -1;
4711         len /= 2;
4712         if (len == 0)
4713                 return -1;
4714         advproto = wpabuf_alloc(len);
4715         if (advproto == NULL)
4716                 return -1;
4717         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4718                 goto fail;
4719
4720         if (end) {
4721                 /* Optional Query Request */
4722                 pos = end + 1;
4723                 while (*pos == ' ')
4724                         pos++;
4725
4726                 len = os_strlen(pos);
4727                 if (len) {
4728                         if (len & 0x01)
4729                                 goto fail;
4730                         len /= 2;
4731                         if (len == 0)
4732                                 goto fail;
4733                         query = wpabuf_alloc(len);
4734                         if (query == NULL)
4735                                 goto fail;
4736                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4737                                 goto fail;
4738                 }
4739         }
4740
4741         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4742
4743 fail:
4744         wpabuf_free(advproto);
4745         wpabuf_free(query);
4746
4747         return ret;
4748 }
4749
4750
4751 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4752                             size_t buflen)
4753 {
4754         u8 addr[ETH_ALEN];
4755         int dialog_token;
4756         int used;
4757         char *pos;
4758         size_t resp_len, start, requested_len;
4759
4760         if (!wpa_s->last_gas_resp)
4761                 return -1;
4762
4763         used = hwaddr_aton2(cmd, addr);
4764         if (used < 0)
4765                 return -1;
4766
4767         pos = cmd + used;
4768         while (*pos == ' ')
4769                 pos++;
4770         dialog_token = atoi(pos);
4771
4772         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4773             dialog_token != wpa_s->last_gas_dialog_token)
4774                 return -1;
4775
4776         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4777         start = 0;
4778         requested_len = resp_len;
4779
4780         pos = os_strchr(pos, ' ');
4781         if (pos) {
4782                 start = atoi(pos);
4783                 if (start > resp_len)
4784                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4785                 pos = os_strchr(pos, ',');
4786                 if (pos == NULL)
4787                         return -1;
4788                 pos++;
4789                 requested_len = atoi(pos);
4790                 if (start + requested_len > resp_len)
4791                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4792         }
4793
4794         if (requested_len * 2 + 1 > buflen)
4795                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4796
4797         return wpa_snprintf_hex(buf, buflen,
4798                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4799                                 requested_len);
4800 }
4801 #endif /* CONFIG_INTERWORKING */
4802
4803
4804 #ifdef CONFIG_HS20
4805
4806 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4807 {
4808         u8 dst_addr[ETH_ALEN];
4809         int used;
4810         char *pos;
4811         u32 subtypes = 0;
4812
4813         used = hwaddr_aton2(dst, dst_addr);
4814         if (used < 0)
4815                 return -1;
4816         pos = dst + used;
4817         for (;;) {
4818                 int num = atoi(pos);
4819                 if (num <= 0 || num > 31)
4820                         return -1;
4821                 subtypes |= BIT(num);
4822                 pos = os_strchr(pos + 1, ',');
4823                 if (pos == NULL)
4824                         break;
4825                 pos++;
4826         }
4827
4828         if (subtypes == 0)
4829                 return -1;
4830
4831         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4832 }
4833
4834
4835 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4836                                     const u8 *addr, const char *realm)
4837 {
4838         u8 *buf;
4839         size_t rlen, len;
4840         int ret;
4841
4842         rlen = os_strlen(realm);
4843         len = 3 + rlen;
4844         buf = os_malloc(len);
4845         if (buf == NULL)
4846                 return -1;
4847         buf[0] = 1; /* NAI Home Realm Count */
4848         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4849         buf[2] = rlen;
4850         os_memcpy(buf + 3, realm, rlen);
4851
4852         ret = hs20_anqp_send_req(wpa_s, addr,
4853                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4854                                  buf, len);
4855
4856         os_free(buf);
4857
4858         return ret;
4859 }
4860
4861
4862 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4863                                         char *dst)
4864 {
4865         struct wpa_cred *cred = wpa_s->conf->cred;
4866         u8 dst_addr[ETH_ALEN];
4867         int used;
4868         u8 *buf;
4869         size_t len;
4870         int ret;
4871
4872         used = hwaddr_aton2(dst, dst_addr);
4873         if (used < 0)
4874                 return -1;
4875
4876         while (dst[used] == ' ')
4877                 used++;
4878         if (os_strncmp(dst + used, "realm=", 6) == 0)
4879                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4880                                                 dst + used + 6);
4881
4882         len = os_strlen(dst + used);
4883
4884         if (len == 0 && cred && cred->realm)
4885                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4886
4887         if (len % 1)
4888                 return -1;
4889         len /= 2;
4890         buf = os_malloc(len);
4891         if (buf == NULL)
4892                 return -1;
4893         if (hexstr2bin(dst + used, buf, len) < 0) {
4894                 os_free(buf);
4895                 return -1;
4896         }
4897
4898         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4899                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4900                                  buf, len);
4901         os_free(buf);
4902
4903         return ret;
4904 }
4905
4906 #endif /* CONFIG_HS20 */
4907
4908
4909 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4910         struct wpa_supplicant *wpa_s, char *cmd)
4911 {
4912         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4913         return 0;
4914 }
4915
4916
4917 #ifdef CONFIG_AUTOSCAN
4918
4919 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4920                                               char *cmd)
4921 {
4922         enum wpa_states state = wpa_s->wpa_state;
4923         char *new_params = NULL;
4924
4925         if (os_strlen(cmd) > 0) {
4926                 new_params = os_strdup(cmd);
4927                 if (new_params == NULL)
4928                         return -1;
4929         }
4930
4931         os_free(wpa_s->conf->autoscan);
4932         wpa_s->conf->autoscan = new_params;
4933
4934         if (wpa_s->conf->autoscan == NULL)
4935                 autoscan_deinit(wpa_s);
4936         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4937                 autoscan_init(wpa_s, 1);
4938         else if (state == WPA_SCANNING)
4939                 wpa_supplicant_reinit_autoscan(wpa_s);
4940
4941         return 0;
4942 }
4943
4944 #endif /* CONFIG_AUTOSCAN */
4945
4946
4947 #ifdef CONFIG_WNM
4948
4949 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4950 {
4951         int enter;
4952         int intval = 0;
4953         char *pos;
4954         int ret;
4955         struct wpabuf *tfs_req = NULL;
4956
4957         if (os_strncmp(cmd, "enter", 5) == 0)
4958                 enter = 1;
4959         else if (os_strncmp(cmd, "exit", 4) == 0)
4960                 enter = 0;
4961         else
4962                 return -1;
4963
4964         pos = os_strstr(cmd, " interval=");
4965         if (pos)
4966                 intval = atoi(pos + 10);
4967
4968         pos = os_strstr(cmd, " tfs_req=");
4969         if (pos) {
4970                 char *end;
4971                 size_t len;
4972                 pos += 9;
4973                 end = os_strchr(pos, ' ');
4974                 if (end)
4975                         len = end - pos;
4976                 else
4977                         len = os_strlen(pos);
4978                 if (len & 1)
4979                         return -1;
4980                 len /= 2;
4981                 tfs_req = wpabuf_alloc(len);
4982                 if (tfs_req == NULL)
4983                         return -1;
4984                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4985                         wpabuf_free(tfs_req);
4986                         return -1;
4987                 }
4988         }
4989
4990         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4991                                            WNM_SLEEP_MODE_EXIT, intval,
4992                                            tfs_req);
4993         wpabuf_free(tfs_req);
4994
4995         return ret;
4996 }
4997
4998
4999 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5000 {
5001         int query_reason;
5002
5003         query_reason = atoi(cmd);
5004
5005         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5006                    query_reason);
5007
5008         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5009 }
5010
5011 #endif /* CONFIG_WNM */
5012
5013
5014 /* Get string representation of channel width */
5015 static const char * channel_width_name(enum chan_width width)
5016 {
5017         switch (width) {
5018         case CHAN_WIDTH_20_NOHT:
5019                 return "20 MHz (no HT)";
5020         case CHAN_WIDTH_20:
5021                 return "20 MHz";
5022         case CHAN_WIDTH_40:
5023                 return "40 MHz";
5024         case CHAN_WIDTH_80:
5025                 return "80 MHz";
5026         case CHAN_WIDTH_80P80:
5027                 return "80+80 MHz";
5028         case CHAN_WIDTH_160:
5029                 return "160 MHz";
5030         default:
5031                 return "unknown";
5032         }
5033 }
5034
5035
5036 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5037                                       size_t buflen)
5038 {
5039         struct wpa_signal_info si;
5040         int ret;
5041         char *pos, *end;
5042
5043         ret = wpa_drv_signal_poll(wpa_s, &si);
5044         if (ret)
5045                 return -1;
5046
5047         pos = buf;
5048         end = buf + buflen;
5049
5050         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5051                           "NOISE=%d\nFREQUENCY=%u\n",
5052                           si.current_signal, si.current_txrate / 1000,
5053                           si.current_noise, si.frequency);
5054         if (ret < 0 || ret > end - pos)
5055                 return -1;
5056         pos += ret;
5057
5058         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5059                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5060                                   channel_width_name(si.chanwidth));
5061                 if (ret < 0 || ret > end - pos)
5062                         return -1;
5063                 pos += ret;
5064         }
5065
5066         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5067                 ret = os_snprintf(pos, end - pos,
5068                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5069                                   si.center_frq1, si.center_frq2);
5070                 if (ret < 0 || ret > end - pos)
5071                         return -1;
5072                 pos += ret;
5073         }
5074
5075         if (si.avg_signal) {
5076                 ret = os_snprintf(pos, end - pos,
5077                                   "AVG_RSSI=%d\n", si.avg_signal);
5078                 if (ret < 0 || ret >= end - pos)
5079                         return -1;
5080                 pos += ret;
5081         }
5082
5083         return pos - buf;
5084 }
5085
5086
5087 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5088                                       size_t buflen)
5089 {
5090         struct hostap_sta_driver_data sta;
5091         int ret;
5092
5093         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5094         if (ret)
5095                 return -1;
5096
5097         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5098                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5099         if (ret < 0 || (size_t) ret > buflen)
5100                 return -1;
5101         return ret;
5102 }
5103
5104
5105 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5106 {
5107         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5108
5109 #ifdef CONFIG_P2P
5110         wpas_p2p_stop_find(wpa_s);
5111         p2p_ctrl_flush(wpa_s);
5112         wpas_p2p_group_remove(wpa_s, "*");
5113 #endif /* CONFIG_P2P */
5114
5115 #ifdef CONFIG_WPS_TESTING
5116         wps_version_number = 0x20;
5117         wps_testing_dummy_cred = 0;
5118 #endif /* CONFIG_WPS_TESTING */
5119 #ifdef CONFIG_WPS
5120         wpas_wps_cancel(wpa_s);
5121 #endif /* CONFIG_WPS */
5122
5123 #ifdef CONFIG_TDLS_TESTING
5124         extern unsigned int tdls_testing;
5125         tdls_testing = 0;
5126 #endif /* CONFIG_TDLS_TESTING */
5127 #ifdef CONFIG_TDLS
5128         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5129         wpa_tdls_enable(wpa_s->wpa, 1);
5130 #endif /* CONFIG_TDLS */
5131
5132         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5133         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5134
5135         wpa_s->no_keep_alive = 0;
5136
5137         os_free(wpa_s->disallow_aps_bssid);
5138         wpa_s->disallow_aps_bssid = NULL;
5139         wpa_s->disallow_aps_bssid_count = 0;
5140         os_free(wpa_s->disallow_aps_ssid);
5141         wpa_s->disallow_aps_ssid = NULL;
5142         wpa_s->disallow_aps_ssid_count = 0;
5143
5144         wpa_s->set_sta_uapsd = 0;
5145         wpa_s->sta_uapsd = 0;
5146
5147         wpa_drv_radio_disable(wpa_s, 0);
5148
5149         wpa_bss_flush(wpa_s);
5150         wpa_blacklist_clear(wpa_s);
5151         wpa_s->extra_blacklist_count = 0;
5152         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5153         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5154 }
5155
5156
5157 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5158                                          char *buf, size_t *resp_len)
5159 {
5160         char *reply;
5161         const int reply_size = 4096;
5162         int ctrl_rsp = 0;
5163         int reply_len;
5164
5165         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5166             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5167             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5168             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5169             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5170                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5171                                       (const u8 *) buf, os_strlen(buf));
5172         } else {
5173                 int level = MSG_DEBUG;
5174                 if (os_strcmp(buf, "PING") == 0)
5175                         level = MSG_EXCESSIVE;
5176                 wpa_hexdump_ascii(level, "RX ctrl_iface",
5177                                   (const u8 *) buf, os_strlen(buf));
5178                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5179         }
5180
5181         reply = os_malloc(reply_size);
5182         if (reply == NULL) {
5183                 *resp_len = 1;
5184                 return NULL;
5185         }
5186
5187         os_memcpy(reply, "OK\n", 3);
5188         reply_len = 3;
5189
5190         if (os_strcmp(buf, "PING") == 0) {
5191                 os_memcpy(reply, "PONG\n", 5);
5192                 reply_len = 5;
5193         } else if (os_strcmp(buf, "IFNAME") == 0) {
5194                 reply_len = os_strlen(wpa_s->ifname);
5195                 os_memcpy(reply, wpa_s->ifname, reply_len);
5196         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5197                 if (wpa_debug_reopen_file() < 0)
5198                         reply_len = -1;
5199         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5200                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5201         } else if (os_strcmp(buf, "MIB") == 0) {
5202                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5203                 if (reply_len >= 0) {
5204                         int res;
5205                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5206                                                reply_size - reply_len);
5207                         if (res < 0)
5208                                 reply_len = -1;
5209                         else
5210                                 reply_len += res;
5211                 }
5212         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5213                 reply_len = wpa_supplicant_ctrl_iface_status(
5214                         wpa_s, buf + 6, reply, reply_size);
5215         } else if (os_strcmp(buf, "PMKSA") == 0) {
5216                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5217                                                     reply_size);
5218         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5219                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5220                         reply_len = -1;
5221         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5222                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5223                                                           reply, reply_size);
5224         } else if (os_strcmp(buf, "LOGON") == 0) {
5225                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5226         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5227                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5228         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5229                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5230                         reply_len = -1;
5231                 else
5232                         wpas_request_connection(wpa_s);
5233         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5234                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5235                         reply_len = -1;
5236                 else if (wpa_s->disconnected)
5237                         wpas_request_connection(wpa_s);
5238 #ifdef IEEE8021X_EAPOL
5239         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5240                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5241                         reply_len = -1;
5242 #endif /* IEEE8021X_EAPOL */
5243 #ifdef CONFIG_PEERKEY
5244         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5245                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5246                         reply_len = -1;
5247 #endif /* CONFIG_PEERKEY */
5248 #ifdef CONFIG_IEEE80211R
5249         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5250                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5251                         reply_len = -1;
5252 #endif /* CONFIG_IEEE80211R */
5253 #ifdef CONFIG_WPS
5254         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5255                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5256                 if (res == -2) {
5257                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5258                         reply_len = 17;
5259                 } else if (res)
5260                         reply_len = -1;
5261         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5262                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5263                 if (res == -2) {
5264                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5265                         reply_len = 17;
5266                 } else if (res)
5267                         reply_len = -1;
5268         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5269                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5270                                                               reply,
5271                                                               reply_size);
5272         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5273                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5274                         wpa_s, buf + 14, reply, reply_size);
5275         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5276                 if (wpas_wps_cancel(wpa_s))
5277                         reply_len = -1;
5278 #ifdef CONFIG_WPS_NFC
5279         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5280                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5281                         reply_len = -1;
5282         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5283                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5284                         reply_len = -1;
5285         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5286                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5287                         wpa_s, buf + 21, reply, reply_size);
5288         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5289                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5290                         wpa_s, buf + 14, reply, reply_size);
5291         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5292                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5293                                                                buf + 17))
5294                         reply_len = -1;
5295         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5296                 reply_len = wpas_ctrl_nfc_get_handover_req(
5297                         wpa_s, buf + 21, reply, reply_size);
5298         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5299                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5300                         wpa_s, buf + 21, reply, reply_size);
5301         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5302                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5303                         wpa_s, buf + 20, reply, reply_size);
5304         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5305                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5306                         reply_len = -1;
5307         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5308                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5309                         reply_len = -1;
5310 #endif /* CONFIG_WPS_NFC */
5311         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5312                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5313                         reply_len = -1;
5314 #ifdef CONFIG_AP
5315         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5316                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5317                         wpa_s, buf + 11, reply, reply_size);
5318 #endif /* CONFIG_AP */
5319 #ifdef CONFIG_WPS_ER
5320         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5321                 if (wpas_wps_er_start(wpa_s, NULL))
5322                         reply_len = -1;
5323         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5324                 if (wpas_wps_er_start(wpa_s, buf + 13))
5325                         reply_len = -1;
5326         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5327                 if (wpas_wps_er_stop(wpa_s))
5328                         reply_len = -1;
5329         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5330                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5331                         reply_len = -1;
5332         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5333                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5334                 if (ret == -2) {
5335                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5336                         reply_len = 17;
5337                 } else if (ret == -3) {
5338                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5339                         reply_len = 18;
5340                 } else if (ret == -4) {
5341                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5342                         reply_len = 20;
5343                 } else if (ret)
5344                         reply_len = -1;
5345         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5346                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5347                         reply_len = -1;
5348         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5349                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5350                                                                 buf + 18))
5351                         reply_len = -1;
5352         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5353                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5354                         reply_len = -1;
5355 #ifdef CONFIG_WPS_NFC
5356         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5357                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5358                         wpa_s, buf + 24, reply, reply_size);
5359 #endif /* CONFIG_WPS_NFC */
5360 #endif /* CONFIG_WPS_ER */
5361 #endif /* CONFIG_WPS */
5362 #ifdef CONFIG_IBSS_RSN
5363         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5364                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5365                         reply_len = -1;
5366 #endif /* CONFIG_IBSS_RSN */
5367 #ifdef CONFIG_P2P
5368         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5369                 if (p2p_ctrl_find(wpa_s, buf + 9))
5370                         reply_len = -1;
5371         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5372                 if (p2p_ctrl_find(wpa_s, ""))
5373                         reply_len = -1;
5374         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5375                 wpas_p2p_stop_find(wpa_s);
5376         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5377                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5378                                              reply_size);
5379         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5380                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5381                         reply_len = -1;
5382         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5383                 if (p2p_ctrl_listen(wpa_s, ""))
5384                         reply_len = -1;
5385         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5386                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5387                         reply_len = -1;
5388         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5389                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5390                         reply_len = -1;
5391         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5392                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5393                         reply_len = -1;
5394         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5395                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5396                         reply_len = -1;
5397         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5398                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5399         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5400                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5401                                                    reply_size);
5402         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5403                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5404                         reply_len = -1;
5405         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5406                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5407                         reply_len = -1;
5408         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5409                 wpas_p2p_sd_service_update(wpa_s);
5410         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5411                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5412                         reply_len = -1;
5413         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5414                 wpas_p2p_service_flush(wpa_s);
5415         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5416                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5417                         reply_len = -1;
5418         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5419                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5420                         reply_len = -1;
5421         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5422                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5423                         reply_len = -1;
5424         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5425                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5426                         reply_len = -1;
5427         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5428                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5429                                               reply_size);
5430         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5431                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5432                         reply_len = -1;
5433         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5434                 p2p_ctrl_flush(wpa_s);
5435         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5436                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5437                         reply_len = -1;
5438         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5439                 if (wpas_p2p_cancel(wpa_s))
5440                         reply_len = -1;
5441         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5442                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5443                         reply_len = -1;
5444         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5445                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5446                         reply_len = -1;
5447         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5448                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5449                         reply_len = -1;
5450         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5451                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5452                         reply_len = -1;
5453 #endif /* CONFIG_P2P */
5454 #ifdef CONFIG_WIFI_DISPLAY
5455         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5456                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5457                         reply_len = -1;
5458         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5459                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5460                                                      reply, reply_size);
5461 #endif /* CONFIG_WIFI_DISPLAY */
5462 #ifdef CONFIG_INTERWORKING
5463         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5464                 if (interworking_fetch_anqp(wpa_s) < 0)
5465                         reply_len = -1;
5466         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5467                 interworking_stop_fetch_anqp(wpa_s);
5468         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5469                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5470                                         NULL) < 0)
5471                         reply_len = -1;
5472         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5473                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5474                         reply_len = -1;
5475         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5476                 if (get_anqp(wpa_s, buf + 9) < 0)
5477                         reply_len = -1;
5478         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5479                 if (gas_request(wpa_s, buf + 12) < 0)
5480                         reply_len = -1;
5481         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5482                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5483                                              reply_size);
5484 #endif /* CONFIG_INTERWORKING */
5485 #ifdef CONFIG_HS20
5486         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5487                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5488                         reply_len = -1;
5489         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5490                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5491                         reply_len = -1;
5492 #endif /* CONFIG_HS20 */
5493         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5494         {
5495                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5496                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5497                         reply_len = -1;
5498                 else
5499                         ctrl_rsp = 1;
5500         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5501                 if (wpa_supplicant_reload_configuration(wpa_s))
5502                         reply_len = -1;
5503         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5504                 wpa_supplicant_terminate_proc(wpa_s->global);
5505         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5506                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5507                         reply_len = -1;
5508         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5509                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5510                         wpa_s, buf + 9, reply, reply_size);
5511         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5512                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5513                         wpa_s, buf + 9, reply, reply_size);
5514         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5515                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5516                         wpa_s, reply, reply_size);
5517         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5518 #ifdef CONFIG_SME
5519                 wpa_s->sme.prev_bssid_set = 0;
5520 #endif /* CONFIG_SME */
5521                 wpa_s->reassociate = 0;
5522                 wpa_s->disconnected = 1;
5523                 wpa_supplicant_cancel_sched_scan(wpa_s);
5524                 wpa_supplicant_cancel_scan(wpa_s);
5525                 wpa_supplicant_deauthenticate(wpa_s,
5526                                               WLAN_REASON_DEAUTH_LEAVING);
5527         } else if (os_strcmp(buf, "SCAN") == 0 ||
5528                    os_strncmp(buf, "SCAN ", 5) == 0) {
5529                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5530                         reply_len = -1;
5531                 else {
5532                         if (os_strlen(buf) > 4 &&
5533                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5534                                 wpa_s->scan_res_handler = scan_only_handler;
5535                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5536                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5537                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5538                                 wpa_s->normal_scans = 0;
5539                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5540                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5541                         } else if (wpa_s->sched_scanning) {
5542                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5543                                            "sched_scan to allow requested "
5544                                            "full scan to proceed");
5545                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5546                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5547                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5548                         } else {
5549                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5550                                            "reject new request");
5551                                 reply_len = os_snprintf(reply, reply_size,
5552                                                         "FAIL-BUSY\n");
5553                         }
5554                 }
5555         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5556                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5557                         wpa_s, reply, reply_size);
5558         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5559                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5560                         reply_len = -1;
5561         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5562                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5563                         reply_len = -1;
5564         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5565                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5566                         reply_len = -1;
5567         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5568                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5569                         wpa_s, reply, reply_size);
5570         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5571                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5572                         reply_len = -1;
5573         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5574                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5575                         reply_len = -1;
5576         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5577                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5578                         wpa_s, buf + 12, reply, reply_size);
5579         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5580                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5581                         wpa_s, reply, reply_size);
5582         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5583                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5584                         wpa_s, reply, reply_size);
5585         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5586                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5587                         reply_len = -1;
5588         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5589                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5590                         reply_len = -1;
5591 #ifndef CONFIG_NO_CONFIG_WRITE
5592         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5593                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5594                         reply_len = -1;
5595 #endif /* CONFIG_NO_CONFIG_WRITE */
5596         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5597                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5598                         wpa_s, buf + 15, reply, reply_size);
5599         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5600                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5601                         reply_len = -1;
5602         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5603                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5604                         reply_len = -1;
5605         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5606                 reply_len = wpa_supplicant_global_iface_list(
5607                         wpa_s->global, reply, reply_size);
5608         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5609                 reply_len = wpa_supplicant_global_iface_interfaces(
5610                         wpa_s->global, reply, reply_size);
5611         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5612                 reply_len = wpa_supplicant_ctrl_iface_bss(
5613                         wpa_s, buf + 4, reply, reply_size);
5614 #ifdef CONFIG_AP
5615         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5616                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5617         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5618                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5619                                               reply_size);
5620         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5621                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5622                                                    reply_size);
5623         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5624                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5625                         reply_len = -1;
5626         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5627                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5628                         reply_len = -1;
5629 #endif /* CONFIG_AP */
5630         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5631                 wpas_notify_suspend(wpa_s->global);
5632         } else if (os_strcmp(buf, "RESUME") == 0) {
5633                 wpas_notify_resume(wpa_s->global);
5634         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5635                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5636         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5637                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5638                         reply_len = -1;
5639         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5640                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5641                         reply_len = -1;
5642         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5643                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5644                         reply_len = -1;
5645         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5646                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5647                                                                buf + 17))
5648                         reply_len = -1;
5649         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5650                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5651                         reply_len = -1;
5652 #ifdef CONFIG_TDLS
5653         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5654                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5655                         reply_len = -1;
5656         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5657                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5658                         reply_len = -1;
5659         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5660                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5661                         reply_len = -1;
5662 #endif /* CONFIG_TDLS */
5663         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5664                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5665                                                        reply_size);
5666         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5667                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5668                                                        reply_size);
5669 #ifdef CONFIG_AUTOSCAN
5670         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5671                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5672                         reply_len = -1;
5673 #endif /* CONFIG_AUTOSCAN */
5674         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5675                 pmksa_cache_clear_current(wpa_s->wpa);
5676                 eapol_sm_request_reauth(wpa_s->eapol);
5677 #ifdef CONFIG_WNM
5678         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5679                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5680                         reply_len = -1;
5681         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
5682                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
5683                                 reply_len = -1;
5684 #endif /* CONFIG_WNM */
5685         } else if (os_strcmp(buf, "FLUSH") == 0) {
5686                 wpa_supplicant_ctrl_iface_flush(wpa_s);
5687         } else {
5688                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5689                 reply_len = 16;
5690         }
5691
5692         if (reply_len < 0) {
5693                 os_memcpy(reply, "FAIL\n", 5);
5694                 reply_len = 5;
5695         }
5696
5697         if (ctrl_rsp)
5698                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5699
5700         *resp_len = reply_len;
5701         return reply;
5702 }
5703
5704
5705 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5706                                            char *cmd)
5707 {
5708         struct wpa_interface iface;
5709         char *pos;
5710
5711         /*
5712          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5713          * TAB<bridge_ifname>
5714          */
5715         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5716
5717         os_memset(&iface, 0, sizeof(iface));
5718
5719         do {
5720                 iface.ifname = pos = cmd;
5721                 pos = os_strchr(pos, '\t');
5722                 if (pos)
5723                         *pos++ = '\0';
5724                 if (iface.ifname[0] == '\0')
5725                         return -1;
5726                 if (pos == NULL)
5727                         break;
5728
5729                 iface.confname = pos;
5730                 pos = os_strchr(pos, '\t');
5731                 if (pos)
5732                         *pos++ = '\0';
5733                 if (iface.confname[0] == '\0')
5734                         iface.confname = NULL;
5735                 if (pos == NULL)
5736                         break;
5737
5738                 iface.driver = pos;
5739                 pos = os_strchr(pos, '\t');
5740                 if (pos)
5741                         *pos++ = '\0';
5742                 if (iface.driver[0] == '\0')
5743                         iface.driver = NULL;
5744                 if (pos == NULL)
5745                         break;
5746
5747                 iface.ctrl_interface = pos;
5748                 pos = os_strchr(pos, '\t');
5749                 if (pos)
5750                         *pos++ = '\0';
5751                 if (iface.ctrl_interface[0] == '\0')
5752                         iface.ctrl_interface = NULL;
5753                 if (pos == NULL)
5754                         break;
5755
5756                 iface.driver_param = pos;
5757                 pos = os_strchr(pos, '\t');
5758                 if (pos)
5759                         *pos++ = '\0';
5760                 if (iface.driver_param[0] == '\0')
5761                         iface.driver_param = NULL;
5762                 if (pos == NULL)
5763                         break;
5764
5765                 iface.bridge_ifname = pos;
5766                 pos = os_strchr(pos, '\t');
5767                 if (pos)
5768                         *pos++ = '\0';
5769                 if (iface.bridge_ifname[0] == '\0')
5770                         iface.bridge_ifname = NULL;
5771                 if (pos == NULL)
5772                         break;
5773         } while (0);
5774
5775         if (wpa_supplicant_get_iface(global, iface.ifname))
5776                 return -1;
5777
5778         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5779 }
5780
5781
5782 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5783                                               char *cmd)
5784 {
5785         struct wpa_supplicant *wpa_s;
5786
5787         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5788
5789         wpa_s = wpa_supplicant_get_iface(global, cmd);
5790         if (wpa_s == NULL)
5791                 return -1;
5792         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5793 }
5794
5795
5796 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5797 {
5798         struct wpa_interface_info *prev;
5799
5800         while (iface) {
5801                 prev = iface;
5802                 iface = iface->next;
5803
5804                 os_free(prev->ifname);
5805                 os_free(prev->desc);
5806                 os_free(prev);
5807         }
5808 }
5809
5810
5811 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5812                                             char *buf, int len)
5813 {
5814         int i, res;
5815         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5816         char *pos, *end;
5817
5818         for (i = 0; wpa_drivers[i]; i++) {
5819                 struct wpa_driver_ops *drv = wpa_drivers[i];
5820                 if (drv->get_interfaces == NULL)
5821                         continue;
5822                 tmp = drv->get_interfaces(global->drv_priv[i]);
5823                 if (tmp == NULL)
5824                         continue;
5825
5826                 if (last == NULL)
5827                         iface = last = tmp;
5828                 else
5829                         last->next = tmp;
5830                 while (last->next)
5831                         last = last->next;
5832         }
5833
5834         pos = buf;
5835         end = buf + len;
5836         for (tmp = iface; tmp; tmp = tmp->next) {
5837                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5838                                   tmp->drv_name, tmp->ifname,
5839                                   tmp->desc ? tmp->desc : "");
5840                 if (res < 0 || res >= end - pos) {
5841                         *pos = '\0';
5842                         break;
5843                 }
5844                 pos += res;
5845         }
5846
5847         wpa_free_iface_info(iface);
5848
5849         return pos - buf;
5850 }
5851
5852
5853 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5854                                                   char *buf, int len)
5855 {
5856         int res;
5857         char *pos, *end;
5858         struct wpa_supplicant *wpa_s;
5859
5860         wpa_s = global->ifaces;
5861         pos = buf;
5862         end = buf + len;
5863
5864         while (wpa_s) {
5865                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5866                 if (res < 0 || res >= end - pos) {
5867                         *pos = '\0';
5868                         break;
5869                 }
5870                 pos += res;
5871                 wpa_s = wpa_s->next;
5872         }
5873         return pos - buf;
5874 }
5875
5876
5877 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
5878                                             const char *ifname,
5879                                             char *cmd, size_t *resp_len)
5880 {
5881         struct wpa_supplicant *wpa_s;
5882
5883         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5884                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
5885                         break;
5886         }
5887
5888         if (wpa_s == NULL) {
5889                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
5890                 if (resp)
5891                         *resp_len = os_strlen(resp);
5892                 else
5893                         *resp_len = 1;
5894                 return resp;
5895         }
5896
5897         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
5898 }
5899
5900
5901 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
5902                                                char *buf, size_t *resp_len)
5903 {
5904 #ifdef CONFIG_P2P
5905         static const char * cmd[] = {
5906                 "P2P_FIND",
5907                 "P2P_STOP_FIND",
5908                 "P2P_LISTEN",
5909                 "P2P_GROUP_ADD",
5910                 "P2P_GET_PASSPHRASE",
5911                 "P2P_SERVICE_UPDATE",
5912                 "P2P_SERVICE_FLUSH",
5913                 "P2P_FLUSH",
5914                 "P2P_CANCEL",
5915                 "P2P_PRESENCE_REQ",
5916                 "P2P_EXT_LISTEN",
5917                 NULL
5918         };
5919         static const char * prefix[] = {
5920                 "P2P_FIND ",
5921                 "P2P_CONNECT ",
5922                 "P2P_LISTEN ",
5923                 "P2P_GROUP_REMOVE ",
5924                 "P2P_GROUP_ADD ",
5925                 "P2P_PROV_DISC ",
5926                 "P2P_SERV_DISC_REQ ",
5927                 "P2P_SERV_DISC_CANCEL_REQ ",
5928                 "P2P_SERV_DISC_RESP ",
5929                 "P2P_SERV_DISC_EXTERNAL ",
5930                 "P2P_SERVICE_ADD ",
5931                 "P2P_SERVICE_DEL ",
5932                 "P2P_REJECT ",
5933                 "P2P_INVITE ",
5934                 "P2P_PEER ",
5935                 "P2P_SET ",
5936                 "P2P_UNAUTHORIZE ",
5937                 "P2P_PRESENCE_REQ ",
5938                 "P2P_EXT_LISTEN ",
5939                 NULL
5940         };
5941         int found = 0;
5942         int i;
5943
5944         if (global->p2p_init_wpa_s == NULL)
5945                 return NULL;
5946
5947         for (i = 0; !found && cmd[i]; i++) {
5948                 if (os_strcmp(buf, cmd[i]) == 0)
5949                         found = 1;
5950         }
5951
5952         for (i = 0; !found && prefix[i]; i++) {
5953                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
5954                         found = 1;
5955         }
5956
5957         if (found)
5958                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
5959                                                          buf, resp_len);
5960 #endif /* CONFIG_P2P */
5961         return NULL;
5962 }
5963
5964
5965 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
5966                                                char *buf, size_t *resp_len)
5967 {
5968 #ifdef CONFIG_WIFI_DISPLAY
5969         if (global->p2p_init_wpa_s == NULL)
5970                 return NULL;
5971         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
5972             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
5973                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
5974                                                          buf, resp_len);
5975 #endif /* CONFIG_WIFI_DISPLAY */
5976         return NULL;
5977 }
5978
5979
5980 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
5981                                            char *buf, size_t *resp_len)
5982 {
5983         char *ret;
5984
5985         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
5986         if (ret)
5987                 return ret;
5988
5989         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
5990         if (ret)
5991                 return ret;
5992
5993         return NULL;
5994 }
5995
5996
5997 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
5998 {
5999         char *value;
6000
6001         value = os_strchr(cmd, ' ');
6002         if (value == NULL)
6003                 return -1;
6004         *value++ = '\0';
6005
6006         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
6007
6008 #ifdef CONFIG_WIFI_DISPLAY
6009         if (os_strcasecmp(cmd, "wifi_display") == 0) {
6010                 wifi_display_enable(global, !!atoi(value));
6011                 return 0;
6012         }
6013 #endif /* CONFIG_WIFI_DISPLAY */
6014
6015         return -1;
6016 }
6017
6018
6019 #ifndef CONFIG_NO_CONFIG_WRITE
6020 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
6021 {
6022         int ret = 0;
6023         struct wpa_supplicant *wpa_s;
6024
6025         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6026                 if (!wpa_s->conf->update_config) {
6027                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
6028                         continue;
6029                 }
6030
6031                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
6032                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
6033                         ret = 1;
6034                 } else {
6035                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
6036                 }
6037         }
6038
6039         return ret;
6040 }
6041 #endif /* CONFIG_NO_CONFIG_WRITE */
6042
6043
6044 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
6045                                          char *buf, size_t buflen)
6046 {
6047         char *pos, *end;
6048         int ret;
6049         struct wpa_supplicant *wpa_s;
6050
6051         pos = buf;
6052         end = buf + buflen;
6053
6054 #ifdef CONFIG_P2P
6055         if (global->p2p && !global->p2p_disabled) {
6056                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
6057                                   "\n"
6058                                   "p2p_state=%s\n",
6059                                   MAC2STR(global->p2p_dev_addr),
6060                                   p2p_get_state_txt(global->p2p));
6061                 if (ret < 0 || ret >= end - pos)
6062                         return pos - buf;
6063                 pos += ret;
6064         } else if (global->p2p) {
6065                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
6066                 if (ret < 0 || ret >= end - pos)
6067                         return pos - buf;
6068                 pos += ret;
6069         }
6070 #endif /* CONFIG_P2P */
6071
6072 #ifdef CONFIG_WIFI_DISPLAY
6073         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
6074                           !!global->wifi_display);
6075         if (ret < 0 || ret >= end - pos)
6076                 return pos - buf;
6077         pos += ret;
6078 #endif /* CONFIG_WIFI_DISPLAY */
6079
6080         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6081                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
6082                                   "address=" MACSTR "\n",
6083                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
6084                 if (ret < 0 || ret >= end - pos)
6085                         return pos - buf;
6086                 pos += ret;
6087         }
6088
6089         return pos - buf;
6090 }
6091
6092
6093 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
6094                                                 char *buf, size_t *resp_len)
6095 {
6096         char *reply;
6097         const int reply_size = 2048;
6098         int reply_len;
6099         int level = MSG_DEBUG;
6100
6101         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
6102                 char *pos = os_strchr(buf + 7, ' ');
6103                 if (pos) {
6104                         *pos++ = '\0';
6105                         return wpas_global_ctrl_iface_ifname(global,
6106                                                              buf + 7, pos,
6107                                                              resp_len);
6108                 }
6109         }
6110
6111         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
6112         if (reply)
6113                 return reply;
6114
6115         if (os_strcmp(buf, "PING") == 0)
6116                 level = MSG_EXCESSIVE;
6117         wpa_hexdump_ascii(level, "RX global ctrl_iface",
6118                           (const u8 *) buf, os_strlen(buf));
6119
6120         reply = os_malloc(reply_size);
6121         if (reply == NULL) {
6122                 *resp_len = 1;
6123                 return NULL;
6124         }
6125
6126         os_memcpy(reply, "OK\n", 3);
6127         reply_len = 3;
6128
6129         if (os_strcmp(buf, "PING") == 0) {
6130                 os_memcpy(reply, "PONG\n", 5);
6131                 reply_len = 5;
6132         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6133                 if (wpa_supplicant_global_iface_add(global, buf + 14))
6134                         reply_len = -1;
6135         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6136                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
6137                         reply_len = -1;
6138         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6139                 reply_len = wpa_supplicant_global_iface_list(
6140                         global, reply, reply_size);
6141         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6142                 reply_len = wpa_supplicant_global_iface_interfaces(
6143                         global, reply, reply_size);
6144         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6145                 wpa_supplicant_terminate_proc(global);
6146         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6147                 wpas_notify_suspend(global);
6148         } else if (os_strcmp(buf, "RESUME") == 0) {
6149                 wpas_notify_resume(global);
6150         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6151                 if (wpas_global_ctrl_iface_set(global, buf + 4))
6152                         reply_len = -1;
6153 #ifndef CONFIG_NO_CONFIG_WRITE
6154         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6155                 if (wpas_global_ctrl_iface_save_config(global))
6156                         reply_len = -1;
6157 #endif /* CONFIG_NO_CONFIG_WRITE */
6158         } else if (os_strcmp(buf, "STATUS") == 0) {
6159                 reply_len = wpas_global_ctrl_iface_status(global, reply,
6160                                                           reply_size);
6161         } else {
6162                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6163                 reply_len = 16;
6164         }
6165
6166         if (reply_len < 0) {
6167                 os_memcpy(reply, "FAIL\n", 5);
6168                 reply_len = 5;
6169         }
6170
6171         *resp_len = reply_len;
6172         return reply;
6173 }