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> | \93\94
 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 || cmd[0] == '\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 #ifdef CONFIG_AP
1507             !wpa_s->ap_iface &&
1508 #endif /* CONFIG_AP */
1509             wpa_s->sme.sae.state == SAE_ACCEPTED) {
1510                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1511                                   wpa_s->sme.sae.group);
1512                 if (ret < 0 || ret >= end - pos)
1513                         return pos - buf;
1514                 pos += ret;
1515         }
1516 #endif /* CONFIG_SAE */
1517         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1518                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1519         if (ret < 0 || ret >= end - pos)
1520                 return pos - buf;
1521         pos += ret;
1522
1523         if (wpa_s->l2 &&
1524             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1525                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1526                 if (ret < 0 || ret >= end - pos)
1527                         return pos - buf;
1528                 pos += ret;
1529         }
1530
1531 #ifdef CONFIG_P2P
1532         if (wpa_s->global->p2p) {
1533                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1534                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1535                 if (ret < 0 || ret >= end - pos)
1536                         return pos - buf;
1537                 pos += ret;
1538         }
1539 #endif /* CONFIG_P2P */
1540
1541         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1542                           MAC2STR(wpa_s->own_addr));
1543         if (ret < 0 || ret >= end - pos)
1544                 return pos - buf;
1545         pos += ret;
1546
1547 #ifdef CONFIG_HS20
1548         if (wpa_s->current_bss &&
1549             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1550             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1551             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1552                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1553                 if (ret < 0 || ret >= end - pos)
1554                         return pos - buf;
1555                 pos += ret;
1556         }
1557
1558         if (wpa_s->current_ssid) {
1559                 struct wpa_cred *cred;
1560                 char *type;
1561
1562                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1563                         if (wpa_s->current_ssid->parent_cred != cred)
1564                                 continue;
1565                         if (!cred->domain)
1566                                 continue;
1567
1568                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1569                                           cred->domain);
1570                         if (ret < 0 || ret >= end - pos)
1571                                 return pos - buf;
1572                         pos += ret;
1573
1574                         if (wpa_s->current_bss == NULL ||
1575                             wpa_s->current_bss->anqp == NULL)
1576                                 res = -1;
1577                         else
1578                                 res = interworking_home_sp_cred(
1579                                         wpa_s, cred,
1580                                         wpa_s->current_bss->anqp->domain_name);
1581                         if (res > 0)
1582                                 type = "home";
1583                         else if (res == 0)
1584                                 type = "roaming";
1585                         else
1586                                 type = "unknown";
1587
1588                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1589                         if (ret < 0 || ret >= end - pos)
1590                                 return pos - buf;
1591                         pos += ret;
1592
1593                         break;
1594                 }
1595         }
1596 #endif /* CONFIG_HS20 */
1597
1598         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1599             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1600                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1601                                           verbose);
1602                 if (res >= 0)
1603                         pos += res;
1604         }
1605
1606         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1607         if (res >= 0)
1608                 pos += res;
1609
1610 #ifdef ANDROID
1611         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1612                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1613                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1614                      wpa_s->wpa_state,
1615                      MAC2STR(wpa_s->bssid),
1616                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1617                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1618                      wpa_s->current_ssid->ssid_len) : "");
1619         if (wpa_s->wpa_state == WPA_COMPLETED) {
1620                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1621                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- connection to "
1622                         MACSTR " completed %s [id=%d id_str=%s]",
1623                         MAC2STR(wpa_s->bssid), "(auth)",
1624                         ssid ? ssid->id : -1,
1625                         ssid && ssid->id_str ? ssid->id_str : "");
1626         }
1627 #endif /* ANDROID */
1628
1629         return pos - buf;
1630 }
1631
1632
1633 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1634                                            char *cmd)
1635 {
1636         char *pos;
1637         int id;
1638         struct wpa_ssid *ssid;
1639         u8 bssid[ETH_ALEN];
1640
1641         /* cmd: "<network id> <BSSID>" */
1642         pos = os_strchr(cmd, ' ');
1643         if (pos == NULL)
1644                 return -1;
1645         *pos++ = '\0';
1646         id = atoi(cmd);
1647         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1648         if (hwaddr_aton(pos, bssid)) {
1649                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1650                 return -1;
1651         }
1652
1653         ssid = wpa_config_get_network(wpa_s->conf, id);
1654         if (ssid == NULL) {
1655                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1656                            "to update", id);
1657                 return -1;
1658         }
1659
1660         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1661         ssid->bssid_set = !is_zero_ether_addr(bssid);
1662
1663         return 0;
1664 }
1665
1666
1667 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1668                                                char *cmd, char *buf,
1669                                                size_t buflen)
1670 {
1671         u8 bssid[ETH_ALEN];
1672         struct wpa_blacklist *e;
1673         char *pos, *end;
1674         int ret;
1675
1676         /* cmd: "BLACKLIST [<BSSID>]" */
1677         if (*cmd == '\0') {
1678                 pos = buf;
1679                 end = buf + buflen;
1680                 e = wpa_s->blacklist;
1681                 while (e) {
1682                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1683                                           MAC2STR(e->bssid));
1684                         if (ret < 0 || ret >= end - pos)
1685                                 return pos - buf;
1686                         pos += ret;
1687                         e = e->next;
1688                 }
1689                 return pos - buf;
1690         }
1691
1692         cmd++;
1693         if (os_strncmp(cmd, "clear", 5) == 0) {
1694                 wpa_blacklist_clear(wpa_s);
1695                 os_memcpy(buf, "OK\n", 3);
1696                 return 3;
1697         }
1698
1699         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1700         if (hwaddr_aton(cmd, bssid)) {
1701                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1702                 return -1;
1703         }
1704
1705         /*
1706          * Add the BSSID twice, so its count will be 2, causing it to be
1707          * skipped when processing scan results.
1708          */
1709         ret = wpa_blacklist_add(wpa_s, bssid);
1710         if (ret != 0)
1711                 return -1;
1712         ret = wpa_blacklist_add(wpa_s, bssid);
1713         if (ret != 0)
1714                 return -1;
1715         os_memcpy(buf, "OK\n", 3);
1716         return 3;
1717 }
1718
1719
1720 extern int wpa_debug_level;
1721 extern int wpa_debug_timestamp;
1722
1723 static const char * debug_level_str(int level)
1724 {
1725         switch (level) {
1726         case MSG_EXCESSIVE:
1727                 return "EXCESSIVE";
1728         case MSG_MSGDUMP:
1729                 return "MSGDUMP";
1730         case MSG_DEBUG:
1731                 return "DEBUG";
1732         case MSG_INFO:
1733                 return "INFO";
1734         case MSG_WARNING:
1735                 return "WARNING";
1736         case MSG_ERROR:
1737                 return "ERROR";
1738         default:
1739                 return "?";
1740         }
1741 }
1742
1743
1744 static int str_to_debug_level(const char *s)
1745 {
1746         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1747                 return MSG_EXCESSIVE;
1748         if (os_strcasecmp(s, "MSGDUMP") == 0)
1749                 return MSG_MSGDUMP;
1750         if (os_strcasecmp(s, "DEBUG") == 0)
1751                 return MSG_DEBUG;
1752         if (os_strcasecmp(s, "INFO") == 0)
1753                 return MSG_INFO;
1754         if (os_strcasecmp(s, "WARNING") == 0)
1755                 return MSG_WARNING;
1756         if (os_strcasecmp(s, "ERROR") == 0)
1757                 return MSG_ERROR;
1758         return -1;
1759 }
1760
1761
1762 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1763                                                char *cmd, char *buf,
1764                                                size_t buflen)
1765 {
1766         char *pos, *end, *stamp;
1767         int ret;
1768
1769         if (cmd == NULL) {
1770                 return -1;
1771         }
1772
1773         /* cmd: "LOG_LEVEL [<level>]" */
1774         if (*cmd == '\0') {
1775                 pos = buf;
1776                 end = buf + buflen;
1777                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1778                                   "Timestamp: %d\n",
1779                                   debug_level_str(wpa_debug_level),
1780                                   wpa_debug_timestamp);
1781                 if (ret < 0 || ret >= end - pos)
1782                         ret = 0;
1783
1784                 return ret;
1785         }
1786
1787         while (*cmd == ' ')
1788                 cmd++;
1789
1790         stamp = os_strchr(cmd, ' ');
1791         if (stamp) {
1792                 *stamp++ = '\0';
1793                 while (*stamp == ' ') {
1794                         stamp++;
1795                 }
1796         }
1797
1798         if (cmd && os_strlen(cmd)) {
1799                 int level = str_to_debug_level(cmd);
1800                 if (level < 0)
1801                         return -1;
1802                 wpa_debug_level = level;
1803         }
1804
1805         if (stamp && os_strlen(stamp))
1806                 wpa_debug_timestamp = atoi(stamp);
1807
1808         os_memcpy(buf, "OK\n", 3);
1809         return 3;
1810 }
1811
1812
1813 static int wpa_supplicant_ctrl_iface_list_networks(
1814         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1815 {
1816         char *pos, *end;
1817         struct wpa_ssid *ssid;
1818         int ret;
1819
1820         pos = buf;
1821         end = buf + buflen;
1822         ret = os_snprintf(pos, end - pos,
1823                           "network id / ssid / bssid / flags\n");
1824         if (ret < 0 || ret >= end - pos)
1825                 return pos - buf;
1826         pos += ret;
1827
1828         ssid = wpa_s->conf->ssid;
1829         while (ssid) {
1830                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1831                                   ssid->id,
1832                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1833                 if (ret < 0 || ret >= end - pos)
1834                         return pos - buf;
1835                 pos += ret;
1836                 if (ssid->bssid_set) {
1837                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1838                                           MAC2STR(ssid->bssid));
1839                 } else {
1840                         ret = os_snprintf(pos, end - pos, "\tany");
1841                 }
1842                 if (ret < 0 || ret >= end - pos)
1843                         return pos - buf;
1844                 pos += ret;
1845                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1846                                   ssid == wpa_s->current_ssid ?
1847                                   "[CURRENT]" : "",
1848                                   ssid->disabled ? "[DISABLED]" : "",
1849                                   ssid->disabled_until.sec ?
1850                                   "[TEMP-DISABLED]" : "",
1851                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1852                                   "");
1853                 if (ret < 0 || ret >= end - pos)
1854                         return pos - buf;
1855                 pos += ret;
1856                 ret = os_snprintf(pos, end - pos, "\n");
1857                 if (ret < 0 || ret >= end - pos)
1858                         return pos - buf;
1859                 pos += ret;
1860
1861                 ssid = ssid->next;
1862         }
1863
1864         return pos - buf;
1865 }
1866
1867
1868 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1869 {
1870         int ret;
1871         ret = os_snprintf(pos, end - pos, "-");
1872         if (ret < 0 || ret >= end - pos)
1873                 return pos;
1874         pos += ret;
1875         ret = wpa_write_ciphers(pos, end, cipher, "+");
1876         if (ret < 0)
1877                 return pos;
1878         pos += ret;
1879         return pos;
1880 }
1881
1882
1883 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1884                                     const u8 *ie, size_t ie_len)
1885 {
1886         struct wpa_ie_data data;
1887         int first, ret;
1888
1889         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1890         if (ret < 0 || ret >= end - pos)
1891                 return pos;
1892         pos += ret;
1893
1894         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1895                 ret = os_snprintf(pos, end - pos, "?]");
1896                 if (ret < 0 || ret >= end - pos)
1897                         return pos;
1898                 pos += ret;
1899                 return pos;
1900         }
1901
1902         first = 1;
1903         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1904                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1905                 if (ret < 0 || ret >= end - pos)
1906                         return pos;
1907                 pos += ret;
1908                 first = 0;
1909         }
1910         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1911                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1912                 if (ret < 0 || ret >= end - pos)
1913                         return pos;
1914                 pos += ret;
1915                 first = 0;
1916         }
1917         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1918                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1919                 if (ret < 0 || ret >= end - pos)
1920                         return pos;
1921                 pos += ret;
1922                 first = 0;
1923         }
1924 #ifdef CONFIG_IEEE80211R
1925         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1926                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1927                                   first ? "" : "+");
1928                 if (ret < 0 || ret >= end - pos)
1929                         return pos;
1930                 pos += ret;
1931                 first = 0;
1932         }
1933         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1934                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1935                                   first ? "" : "+");
1936                 if (ret < 0 || ret >= end - pos)
1937                         return pos;
1938                 pos += ret;
1939                 first = 0;
1940         }
1941 #endif /* CONFIG_IEEE80211R */
1942 #ifdef CONFIG_IEEE80211W
1943         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1944                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1945                                   first ? "" : "+");
1946                 if (ret < 0 || ret >= end - pos)
1947                         return pos;
1948                 pos += ret;
1949                 first = 0;
1950         }
1951         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1952                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1953                                   first ? "" : "+");
1954                 if (ret < 0 || ret >= end - pos)
1955                         return pos;
1956                 pos += ret;
1957                 first = 0;
1958         }
1959 #endif /* CONFIG_IEEE80211W */
1960
1961         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1962
1963         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1964                 ret = os_snprintf(pos, end - pos, "-preauth");
1965                 if (ret < 0 || ret >= end - pos)
1966                         return pos;
1967                 pos += ret;
1968         }
1969
1970         ret = os_snprintf(pos, end - pos, "]");
1971         if (ret < 0 || ret >= end - pos)
1972                 return pos;
1973         pos += ret;
1974
1975         return pos;
1976 }
1977
1978
1979 #ifdef CONFIG_WPS
1980 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1981                                             char *pos, char *end,
1982                                             struct wpabuf *wps_ie)
1983 {
1984         int ret;
1985         const char *txt;
1986
1987         if (wps_ie == NULL)
1988                 return pos;
1989         if (wps_is_selected_pbc_registrar(wps_ie))
1990                 txt = "[WPS-PBC]";
1991 #ifdef CONFIG_WPS2
1992         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1993                 txt = "[WPS-AUTH]";
1994 #endif /* CONFIG_WPS2 */
1995         else if (wps_is_selected_pin_registrar(wps_ie))
1996                 txt = "[WPS-PIN]";
1997         else
1998                 txt = "[WPS]";
1999
2000         ret = os_snprintf(pos, end - pos, "%s", txt);
2001         if (ret >= 0 && ret < end - pos)
2002                 pos += ret;
2003         wpabuf_free(wps_ie);
2004         return pos;
2005 }
2006 #endif /* CONFIG_WPS */
2007
2008
2009 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2010                                         char *pos, char *end,
2011                                         const struct wpa_bss *bss)
2012 {
2013 #ifdef CONFIG_WPS
2014         struct wpabuf *wps_ie;
2015         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2016         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2017 #else /* CONFIG_WPS */
2018         return pos;
2019 #endif /* CONFIG_WPS */
2020 }
2021
2022
2023 /* Format one result on one text line into a buffer. */
2024 static int wpa_supplicant_ctrl_iface_scan_result(
2025         struct wpa_supplicant *wpa_s,
2026         const struct wpa_bss *bss, char *buf, size_t buflen)
2027 {
2028         char *pos, *end;
2029         int ret;
2030         const u8 *ie, *ie2, *p2p;
2031
2032         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2033         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2034             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2035             0)
2036                 return 0; /* Do not show P2P listen discovery results here */
2037
2038         pos = buf;
2039         end = buf + buflen;
2040
2041         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2042                           MAC2STR(bss->bssid), bss->freq, bss->level);
2043         if (ret < 0 || ret >= end - pos)
2044                 return -1;
2045         pos += ret;
2046         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2047         if (ie)
2048                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2049         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2050         if (ie2)
2051                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2052         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2053         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2054                 ret = os_snprintf(pos, end - pos, "[WEP]");
2055                 if (ret < 0 || ret >= end - pos)
2056                         return -1;
2057                 pos += ret;
2058         }
2059         if (bss->caps & IEEE80211_CAP_IBSS) {
2060                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2061                 if (ret < 0 || ret >= end - pos)
2062                         return -1;
2063                 pos += ret;
2064         }
2065         if (bss->caps & IEEE80211_CAP_ESS) {
2066                 ret = os_snprintf(pos, end - pos, "[ESS]");
2067                 if (ret < 0 || ret >= end - pos)
2068                         return -1;
2069                 pos += ret;
2070         }
2071         if (p2p) {
2072                 ret = os_snprintf(pos, end - pos, "[P2P]");
2073                 if (ret < 0 || ret >= end - pos)
2074                         return -1;
2075                 pos += ret;
2076         }
2077 #ifdef CONFIG_HS20
2078         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2079                 ret = os_snprintf(pos, end - pos, "[HS20]");
2080                 if (ret < 0 || ret >= end - pos)
2081                         return -1;
2082                 pos += ret;
2083         }
2084 #endif /* CONFIG_HS20 */
2085
2086         ret = os_snprintf(pos, end - pos, "\t%s",
2087                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2088         if (ret < 0 || ret >= end - pos)
2089                 return -1;
2090         pos += ret;
2091
2092         ret = os_snprintf(pos, end - pos, "\n");
2093         if (ret < 0 || ret >= end - pos)
2094                 return -1;
2095         pos += ret;
2096
2097         return pos - buf;
2098 }
2099
2100
2101 static int wpa_supplicant_ctrl_iface_scan_results(
2102         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2103 {
2104         char *pos, *end;
2105         struct wpa_bss *bss;
2106         int ret;
2107
2108         pos = buf;
2109         end = buf + buflen;
2110         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2111                           "flags / ssid\n");
2112         if (ret < 0 || ret >= end - pos)
2113                 return pos - buf;
2114         pos += ret;
2115
2116         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2117                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2118                                                             end - pos);
2119                 if (ret < 0 || ret >= end - pos)
2120                         return pos - buf;
2121                 pos += ret;
2122         }
2123
2124         return pos - buf;
2125 }
2126
2127
2128 static int wpa_supplicant_ctrl_iface_select_network(
2129         struct wpa_supplicant *wpa_s, char *cmd)
2130 {
2131         int id;
2132         struct wpa_ssid *ssid;
2133
2134         /* cmd: "<network id>" or "any" */
2135         if (os_strcmp(cmd, "any") == 0) {
2136                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2137                 ssid = NULL;
2138         } else {
2139                 id = atoi(cmd);
2140                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2141
2142                 ssid = wpa_config_get_network(wpa_s->conf, id);
2143                 if (ssid == NULL) {
2144                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2145                                    "network id=%d", id);
2146                         return -1;
2147                 }
2148                 if (ssid->disabled == 2) {
2149                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2150                                    "SELECT_NETWORK with persistent P2P group");
2151                         return -1;
2152                 }
2153         }
2154
2155         wpa_supplicant_select_network(wpa_s, ssid);
2156
2157         return 0;
2158 }
2159
2160
2161 static int wpa_supplicant_ctrl_iface_enable_network(
2162         struct wpa_supplicant *wpa_s, char *cmd)
2163 {
2164         int id;
2165         struct wpa_ssid *ssid;
2166
2167         /* cmd: "<network id>" or "all" */
2168         if (os_strcmp(cmd, "all") == 0) {
2169                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2170                 ssid = NULL;
2171         } else {
2172                 id = atoi(cmd);
2173                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2174
2175                 ssid = wpa_config_get_network(wpa_s->conf, id);
2176                 if (ssid == NULL) {
2177                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2178                                    "network id=%d", id);
2179                         return -1;
2180                 }
2181                 if (ssid->disabled == 2) {
2182                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2183                                    "ENABLE_NETWORK with persistent P2P group");
2184                         return -1;
2185                 }
2186
2187                 if (os_strstr(cmd, " no-connect")) {
2188                         ssid->disabled = 0;
2189                         return 0;
2190                 }
2191         }
2192         wpa_supplicant_enable_network(wpa_s, ssid);
2193
2194         return 0;
2195 }
2196
2197
2198 static int wpa_supplicant_ctrl_iface_disable_network(
2199         struct wpa_supplicant *wpa_s, char *cmd)
2200 {
2201         int id;
2202         struct wpa_ssid *ssid;
2203
2204         /* cmd: "<network id>" or "all" */
2205         if (os_strcmp(cmd, "all") == 0) {
2206                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2207                 ssid = NULL;
2208         } else {
2209                 id = atoi(cmd);
2210                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2211
2212                 ssid = wpa_config_get_network(wpa_s->conf, id);
2213                 if (ssid == NULL) {
2214                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2215                                    "network id=%d", id);
2216                         return -1;
2217                 }
2218                 if (ssid->disabled == 2) {
2219                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2220                                    "DISABLE_NETWORK with persistent P2P "
2221                                    "group");
2222                         return -1;
2223                 }
2224         }
2225         wpa_supplicant_disable_network(wpa_s, ssid);
2226
2227         return 0;
2228 }
2229
2230
2231 static int wpa_supplicant_ctrl_iface_add_network(
2232         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2233 {
2234         struct wpa_ssid *ssid;
2235         int ret;
2236
2237         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2238
2239         ssid = wpa_config_add_network(wpa_s->conf);
2240         if (ssid == NULL)
2241                 return -1;
2242
2243         wpas_notify_network_added(wpa_s, ssid);
2244
2245         ssid->disabled = 1;
2246         wpa_config_set_network_defaults(ssid);
2247
2248         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2249         if (ret < 0 || (size_t) ret >= buflen)
2250                 return -1;
2251         return ret;
2252 }
2253
2254
2255 static int wpa_supplicant_ctrl_iface_remove_network(
2256         struct wpa_supplicant *wpa_s, char *cmd)
2257 {
2258         int id;
2259         struct wpa_ssid *ssid;
2260         int was_disabled;
2261
2262         /* cmd: "<network id>" or "all" */
2263         if (os_strcmp(cmd, "all") == 0) {
2264                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2265                 if (wpa_s->sched_scanning)
2266                         wpa_supplicant_cancel_sched_scan(wpa_s);
2267
2268                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2269                 if (wpa_s->current_ssid) {
2270 #ifdef CONFIG_SME
2271                         wpa_s->sme.prev_bssid_set = 0;
2272 #endif /* CONFIG_SME */
2273                         wpa_sm_set_config(wpa_s->wpa, NULL);
2274                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2275                         wpa_supplicant_deauthenticate(
2276                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2277                 }
2278                 ssid = wpa_s->conf->ssid;
2279                 while (ssid) {
2280                         struct wpa_ssid *remove_ssid = ssid;
2281                         id = ssid->id;
2282                         ssid = ssid->next;
2283                         wpas_notify_network_removed(wpa_s, remove_ssid);
2284                         wpa_config_remove_network(wpa_s->conf, id);
2285                 }
2286                 return 0;
2287         }
2288
2289         id = atoi(cmd);
2290         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2291
2292         ssid = wpa_config_get_network(wpa_s->conf, id);
2293         if (ssid)
2294                 wpas_notify_network_removed(wpa_s, ssid);
2295         if (ssid == NULL) {
2296                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2297                            "id=%d", id);
2298                 return -1;
2299         }
2300
2301         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2302 #ifdef CONFIG_SME
2303                 wpa_s->sme.prev_bssid_set = 0;
2304 #endif /* CONFIG_SME */
2305                 /*
2306                  * Invalidate the EAP session cache if the current or
2307                  * previously used network is removed.
2308                  */
2309                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2310         }
2311
2312         if (ssid == wpa_s->current_ssid) {
2313                 wpa_sm_set_config(wpa_s->wpa, NULL);
2314                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2315
2316                 wpa_supplicant_deauthenticate(wpa_s,
2317                                               WLAN_REASON_DEAUTH_LEAVING);
2318         }
2319
2320         was_disabled = ssid->disabled;
2321
2322         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2323                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2324                            "network id=%d", id);
2325                 return -1;
2326         }
2327
2328         if (!was_disabled && wpa_s->sched_scanning) {
2329                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2330                            "network from filters");
2331                 wpa_supplicant_cancel_sched_scan(wpa_s);
2332                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2333         }
2334
2335         return 0;
2336 }
2337
2338
2339 static int wpa_supplicant_ctrl_iface_set_network(
2340         struct wpa_supplicant *wpa_s, char *cmd)
2341 {
2342         int id;
2343         struct wpa_ssid *ssid;
2344         char *name, *value;
2345
2346         /* cmd: "<network id> <variable name> <value>" */
2347         name = os_strchr(cmd, ' ');
2348         if (name == NULL)
2349                 return -1;
2350         *name++ = '\0';
2351
2352         value = os_strchr(name, ' ');
2353         if (value == NULL)
2354                 return -1;
2355         *value++ = '\0';
2356
2357         id = atoi(cmd);
2358         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2359                    id, name);
2360         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2361                               (u8 *) value, os_strlen(value));
2362
2363         ssid = wpa_config_get_network(wpa_s->conf, id);
2364         if (ssid == NULL) {
2365                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2366                            "id=%d", id);
2367                 return -1;
2368         }
2369
2370         if (wpa_config_set(ssid, name, value, 0) < 0) {
2371                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2372                            "variable '%s'", name);
2373                 return -1;
2374         }
2375
2376         if (os_strcmp(name, "bssid") != 0 &&
2377             os_strcmp(name, "priority") != 0)
2378                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2379
2380         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2381                 /*
2382                  * Invalidate the EAP session cache if anything in the current
2383                  * or previously used configuration changes.
2384                  */
2385                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2386         }
2387
2388         if ((os_strcmp(name, "psk") == 0 &&
2389              value[0] == '"' && ssid->ssid_len) ||
2390             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2391                 wpa_config_update_psk(ssid);
2392         else if (os_strcmp(name, "priority") == 0)
2393                 wpa_config_update_prio_list(wpa_s->conf);
2394
2395         return 0;
2396 }
2397
2398
2399 static int wpa_supplicant_ctrl_iface_get_network(
2400         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2401 {
2402         int id;
2403         size_t res;
2404         struct wpa_ssid *ssid;
2405         char *name, *value;
2406
2407         /* cmd: "<network id> <variable name>" */
2408         name = os_strchr(cmd, ' ');
2409         if (name == NULL || buflen == 0)
2410                 return -1;
2411         *name++ = '\0';
2412
2413         id = atoi(cmd);
2414         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2415                    id, name);
2416
2417         ssid = wpa_config_get_network(wpa_s->conf, id);
2418         if (ssid == NULL) {
2419                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2420                            "id=%d", id);
2421                 return -1;
2422         }
2423
2424         value = wpa_config_get_no_key(ssid, name);
2425         if (value == NULL) {
2426                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2427                            "variable '%s'", name);
2428                 return -1;
2429         }
2430
2431         res = os_strlcpy(buf, value, buflen);
2432         if (res >= buflen) {
2433                 os_free(value);
2434                 return -1;
2435         }
2436
2437         os_free(value);
2438
2439         return res;
2440 }
2441
2442
2443 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2444                                                 char *buf, size_t buflen)
2445 {
2446         char *pos, *end;
2447         struct wpa_cred *cred;
2448         int ret;
2449
2450         pos = buf;
2451         end = buf + buflen;
2452         ret = os_snprintf(pos, end - pos,
2453                           "cred id / realm / username / domain / imsi\n");
2454         if (ret < 0 || ret >= end - pos)
2455                 return pos - buf;
2456         pos += ret;
2457
2458         cred = wpa_s->conf->cred;
2459         while (cred) {
2460                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2461                                   cred->id, cred->realm ? cred->realm : "",
2462                                   cred->username ? cred->username : "",
2463                                   cred->domain ? cred->domain : "",
2464                                   cred->imsi ? cred->imsi : "");
2465                 if (ret < 0 || ret >= end - pos)
2466                         return pos - buf;
2467                 pos += ret;
2468
2469                 cred = cred->next;
2470         }
2471
2472         return pos - buf;
2473 }
2474
2475
2476 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2477                                               char *buf, size_t buflen)
2478 {
2479         struct wpa_cred *cred;
2480         int ret;
2481
2482         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2483
2484         cred = wpa_config_add_cred(wpa_s->conf);
2485         if (cred == NULL)
2486                 return -1;
2487
2488         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2489         if (ret < 0 || (size_t) ret >= buflen)
2490                 return -1;
2491         return ret;
2492 }
2493
2494
2495 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2496                                  struct wpa_cred *cred)
2497 {
2498         struct wpa_ssid *ssid;
2499         char str[20];
2500
2501         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2502                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2503                 return -1;
2504         }
2505
2506         /* Remove any network entry created based on the removed credential */
2507         ssid = wpa_s->conf->ssid;
2508         while (ssid) {
2509                 if (ssid->parent_cred == cred) {
2510                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2511                                    "used the removed credential", ssid->id);
2512                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2513                         ssid = ssid->next;
2514                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2515                 } else
2516                         ssid = ssid->next;
2517         }
2518
2519         return 0;
2520 }
2521
2522
2523 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2524                                                  char *cmd)
2525 {
2526         int id;
2527         struct wpa_cred *cred, *prev;
2528
2529         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2530         if (os_strcmp(cmd, "all") == 0) {
2531                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2532                 cred = wpa_s->conf->cred;
2533                 while (cred) {
2534                         prev = cred;
2535                         cred = cred->next;
2536                         wpas_ctrl_remove_cred(wpa_s, prev);
2537                 }
2538                 return 0;
2539         }
2540
2541         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2542                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2543                            cmd + 8);
2544                 cred = wpa_s->conf->cred;
2545                 while (cred) {
2546                         prev = cred;
2547                         cred = cred->next;
2548                         if (prev->domain &&
2549                             os_strcmp(prev->domain, cmd + 8) == 0)
2550                                 wpas_ctrl_remove_cred(wpa_s, prev);
2551                 }
2552                 return 0;
2553         }
2554
2555         id = atoi(cmd);
2556         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2557
2558         cred = wpa_config_get_cred(wpa_s->conf, id);
2559         return wpas_ctrl_remove_cred(wpa_s, cred);
2560 }
2561
2562
2563 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2564                                               char *cmd)
2565 {
2566         int id;
2567         struct wpa_cred *cred;
2568         char *name, *value;
2569
2570         /* cmd: "<cred id> <variable name> <value>" */
2571         name = os_strchr(cmd, ' ');
2572         if (name == NULL)
2573                 return -1;
2574         *name++ = '\0';
2575
2576         value = os_strchr(name, ' ');
2577         if (value == NULL)
2578                 return -1;
2579         *value++ = '\0';
2580
2581         id = atoi(cmd);
2582         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2583                    id, name);
2584         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2585                               (u8 *) value, os_strlen(value));
2586
2587         cred = wpa_config_get_cred(wpa_s->conf, id);
2588         if (cred == NULL) {
2589                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2590                            id);
2591                 return -1;
2592         }
2593
2594         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2595                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2596                            "variable '%s'", name);
2597                 return -1;
2598         }
2599
2600         return 0;
2601 }
2602
2603
2604 #ifndef CONFIG_NO_CONFIG_WRITE
2605 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2606 {
2607         int ret;
2608
2609         if (!wpa_s->conf->update_config) {
2610                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2611                            "to update configuration (update_config=0)");
2612                 return -1;
2613         }
2614
2615         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2616         if (ret) {
2617                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2618                            "update configuration");
2619         } else {
2620                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2621                            " updated");
2622         }
2623
2624         return ret;
2625 }
2626 #endif /* CONFIG_NO_CONFIG_WRITE */
2627
2628
2629 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2630                                               struct wpa_driver_capa *capa,
2631                                               char *buf, size_t buflen)
2632 {
2633         int ret, first = 1;
2634         char *pos, *end;
2635         size_t len;
2636
2637         pos = buf;
2638         end = pos + buflen;
2639
2640         if (res < 0) {
2641                 if (strict)
2642                         return 0;
2643                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2644                 if (len >= buflen)
2645                         return -1;
2646                 return len;
2647         }
2648
2649         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2650                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2651                 if (ret < 0 || ret >= end - pos)
2652                         return pos - buf;
2653                 pos += ret;
2654                 first = 0;
2655         }
2656
2657         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2658                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2659                 if (ret < 0 || ret >= end - pos)
2660                         return pos - buf;
2661                 pos += ret;
2662                 first = 0;
2663         }
2664
2665         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2666                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2667                 if (ret < 0 || ret >= end - pos)
2668                         return pos - buf;
2669                 pos += ret;
2670                 first = 0;
2671         }
2672
2673         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2674                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2675                 if (ret < 0 || ret >= end - pos)
2676                         return pos - buf;
2677                 pos += ret;
2678                 first = 0;
2679         }
2680
2681         return pos - buf;
2682 }
2683
2684
2685 static int ctrl_iface_get_capability_group(int res, char *strict,
2686                                            struct wpa_driver_capa *capa,
2687                                            char *buf, size_t buflen)
2688 {
2689         int ret, first = 1;
2690         char *pos, *end;
2691         size_t len;
2692
2693         pos = buf;
2694         end = pos + buflen;
2695
2696         if (res < 0) {
2697                 if (strict)
2698                         return 0;
2699                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2700                 if (len >= buflen)
2701                         return -1;
2702                 return len;
2703         }
2704
2705         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2706                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2707                 if (ret < 0 || ret >= end - pos)
2708                         return pos - buf;
2709                 pos += ret;
2710                 first = 0;
2711         }
2712
2713         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2714                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2715                 if (ret < 0 || ret >= end - pos)
2716                         return pos - buf;
2717                 pos += ret;
2718                 first = 0;
2719         }
2720
2721         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2722                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2723                 if (ret < 0 || ret >= end - pos)
2724                         return pos - buf;
2725                 pos += ret;
2726                 first = 0;
2727         }
2728
2729         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2730                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2731                                   first ? "" : " ");
2732                 if (ret < 0 || ret >= end - pos)
2733                         return pos - buf;
2734                 pos += ret;
2735                 first = 0;
2736         }
2737
2738         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2739                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2740                 if (ret < 0 || ret >= end - pos)
2741                         return pos - buf;
2742                 pos += ret;
2743                 first = 0;
2744         }
2745
2746         return pos - buf;
2747 }
2748
2749
2750 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2751                                               struct wpa_driver_capa *capa,
2752                                               char *buf, size_t buflen)
2753 {
2754         int ret;
2755         char *pos, *end;
2756         size_t len;
2757
2758         pos = buf;
2759         end = pos + buflen;
2760
2761         if (res < 0) {
2762                 if (strict)
2763                         return 0;
2764                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2765                                  "NONE", buflen);
2766                 if (len >= buflen)
2767                         return -1;
2768                 return len;
2769         }
2770
2771         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2772         if (ret < 0 || ret >= end - pos)
2773                 return pos - buf;
2774         pos += ret;
2775
2776         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2777                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2778                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2779                 if (ret < 0 || ret >= end - pos)
2780                         return pos - buf;
2781                 pos += ret;
2782         }
2783
2784         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2785                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2786                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2787                 if (ret < 0 || ret >= end - pos)
2788                         return pos - buf;
2789                 pos += ret;
2790         }
2791
2792         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2793                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2794                 if (ret < 0 || ret >= end - pos)
2795                         return pos - buf;
2796                 pos += ret;
2797         }
2798
2799         return pos - buf;
2800 }
2801
2802
2803 static int ctrl_iface_get_capability_proto(int res, char *strict,
2804                                            struct wpa_driver_capa *capa,
2805                                            char *buf, size_t buflen)
2806 {
2807         int ret, first = 1;
2808         char *pos, *end;
2809         size_t len;
2810
2811         pos = buf;
2812         end = pos + buflen;
2813
2814         if (res < 0) {
2815                 if (strict)
2816                         return 0;
2817                 len = os_strlcpy(buf, "RSN WPA", buflen);
2818                 if (len >= buflen)
2819                         return -1;
2820                 return len;
2821         }
2822
2823         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2824                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2825                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2826                 if (ret < 0 || ret >= end - pos)
2827                         return pos - buf;
2828                 pos += ret;
2829                 first = 0;
2830         }
2831
2832         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2833                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2834                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2835                 if (ret < 0 || ret >= end - pos)
2836                         return pos - buf;
2837                 pos += ret;
2838                 first = 0;
2839         }
2840
2841         return pos - buf;
2842 }
2843
2844
2845 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2846                                               struct wpa_driver_capa *capa,
2847                                               char *buf, size_t buflen)
2848 {
2849         int ret, first = 1;
2850         char *pos, *end;
2851         size_t len;
2852
2853         pos = buf;
2854         end = pos + buflen;
2855
2856         if (res < 0) {
2857                 if (strict)
2858                         return 0;
2859                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2860                 if (len >= buflen)
2861                         return -1;
2862                 return len;
2863         }
2864
2865         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2866                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2867                 if (ret < 0 || ret >= end - pos)
2868                         return pos - buf;
2869                 pos += ret;
2870                 first = 0;
2871         }
2872
2873         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2874                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2875                                   first ? "" : " ");
2876                 if (ret < 0 || ret >= end - pos)
2877                         return pos - buf;
2878                 pos += ret;
2879                 first = 0;
2880         }
2881
2882         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2883                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2884                 if (ret < 0 || ret >= end - pos)
2885                         return pos - buf;
2886                 pos += ret;
2887                 first = 0;
2888         }
2889
2890         return pos - buf;
2891 }
2892
2893
2894 static int ctrl_iface_get_capability_modes(int res, char *strict,
2895                                            struct wpa_driver_capa *capa,
2896                                            char *buf, size_t buflen)
2897 {
2898         int ret, first = 1;
2899         char *pos, *end;
2900         size_t len;
2901
2902         pos = buf;
2903         end = pos + buflen;
2904
2905         if (res < 0) {
2906                 if (strict)
2907                         return 0;
2908                 len = os_strlcpy(buf, "IBSS AP", buflen);
2909                 if (len >= buflen)
2910                         return -1;
2911                 return len;
2912         }
2913
2914         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2915                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2916                 if (ret < 0 || ret >= end - pos)
2917                         return pos - buf;
2918                 pos += ret;
2919                 first = 0;
2920         }
2921
2922         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2923                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2924                 if (ret < 0 || ret >= end - pos)
2925                         return pos - buf;
2926                 pos += ret;
2927                 first = 0;
2928         }
2929
2930         return pos - buf;
2931 }
2932
2933
2934 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2935                                               char *buf, size_t buflen)
2936 {
2937         struct hostapd_channel_data *chnl;
2938         int ret, i, j;
2939         char *pos, *end, *hmode;
2940
2941         pos = buf;
2942         end = pos + buflen;
2943
2944         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2945                 switch (wpa_s->hw.modes[j].mode) {
2946                 case HOSTAPD_MODE_IEEE80211B:
2947                         hmode = "B";
2948                         break;
2949                 case HOSTAPD_MODE_IEEE80211G:
2950                         hmode = "G";
2951                         break;
2952                 case HOSTAPD_MODE_IEEE80211A:
2953                         hmode = "A";
2954                         break;
2955                 case HOSTAPD_MODE_IEEE80211AD:
2956                         hmode = "AD";
2957                         break;
2958                 default:
2959                         continue;
2960                 }
2961                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2962                 if (ret < 0 || ret >= end - pos)
2963                         return pos - buf;
2964                 pos += ret;
2965                 chnl = wpa_s->hw.modes[j].channels;
2966                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2967                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2968                                 continue;
2969                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2970                         if (ret < 0 || ret >= end - pos)
2971                                 return pos - buf;
2972                         pos += ret;
2973                 }
2974                 ret = os_snprintf(pos, end - pos, "\n");
2975                 if (ret < 0 || ret >= end - pos)
2976                         return pos - buf;
2977                 pos += ret;
2978         }
2979
2980         return pos - buf;
2981 }
2982
2983
2984 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
2985                                           char *buf, size_t buflen)
2986 {
2987         struct hostapd_channel_data *chnl;
2988         int ret, i, j;
2989         char *pos, *end, *hmode;
2990
2991         pos = buf;
2992         end = pos + buflen;
2993
2994         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2995                 switch (wpa_s->hw.modes[j].mode) {
2996                 case HOSTAPD_MODE_IEEE80211B:
2997                         hmode = "B";
2998                         break;
2999                 case HOSTAPD_MODE_IEEE80211G:
3000                         hmode = "G";
3001                         break;
3002                 case HOSTAPD_MODE_IEEE80211A:
3003                         hmode = "A";
3004                         break;
3005                 case HOSTAPD_MODE_IEEE80211AD:
3006                         hmode = "AD";
3007                         break;
3008                 default:
3009                         continue;
3010                 }
3011                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3012                                   hmode);
3013                 if (ret < 0 || ret >= end - pos)
3014                         return pos - buf;
3015                 pos += ret;
3016                 chnl = wpa_s->hw.modes[j].channels;
3017                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3018                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3019                                 continue;
3020                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
3021                                           chnl[i].chan, chnl[i].freq,
3022                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3023                                           " (NO_IBSS)" : "");
3024                         if (ret < 0 || ret >= end - pos)
3025                                 return pos - buf;
3026                         pos += ret;
3027                 }
3028                 ret = os_snprintf(pos, end - pos, "\n");
3029                 if (ret < 0 || ret >= end - pos)
3030                         return pos - buf;
3031                 pos += ret;
3032         }
3033
3034         return pos - buf;
3035 }
3036
3037
3038 static int wpa_supplicant_ctrl_iface_get_capability(
3039         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3040         size_t buflen)
3041 {
3042         struct wpa_driver_capa capa;
3043         int res;
3044         char *strict;
3045         char field[30];
3046         size_t len;
3047
3048         /* Determine whether or not strict checking was requested */
3049         len = os_strlcpy(field, _field, sizeof(field));
3050         if (len >= sizeof(field))
3051                 return -1;
3052         strict = os_strchr(field, ' ');
3053         if (strict != NULL) {
3054                 *strict++ = '\0';
3055                 if (os_strcmp(strict, "strict") != 0)
3056                         return -1;
3057         }
3058
3059         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3060                 field, strict ? strict : "");
3061
3062         if (os_strcmp(field, "eap") == 0) {
3063                 return eap_get_names(buf, buflen);
3064         }
3065
3066         res = wpa_drv_get_capa(wpa_s, &capa);
3067
3068         if (os_strcmp(field, "pairwise") == 0)
3069                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3070                                                           buf, buflen);
3071
3072         if (os_strcmp(field, "group") == 0)
3073                 return ctrl_iface_get_capability_group(res, strict, &capa,
3074                                                        buf, buflen);
3075
3076         if (os_strcmp(field, "key_mgmt") == 0)
3077                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3078                                                           buf, buflen);
3079
3080         if (os_strcmp(field, "proto") == 0)
3081                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3082                                                        buf, buflen);
3083
3084         if (os_strcmp(field, "auth_alg") == 0)
3085                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3086                                                           buf, buflen);
3087
3088         if (os_strcmp(field, "modes") == 0)
3089                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3090                                                        buf, buflen);
3091
3092         if (os_strcmp(field, "channels") == 0)
3093                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3094
3095         if (os_strcmp(field, "freq") == 0)
3096                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3097
3098         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3099                    field);
3100
3101         return -1;
3102 }
3103
3104
3105 #ifdef CONFIG_INTERWORKING
3106 static char * anqp_add_hex(char *pos, char *end, const char *title,
3107                            struct wpabuf *data)
3108 {
3109         char *start = pos;
3110         size_t i;
3111         int ret;
3112         const u8 *d;
3113
3114         if (data == NULL)
3115                 return start;
3116
3117         ret = os_snprintf(pos, end - pos, "%s=", title);
3118         if (ret < 0 || ret >= end - pos)
3119                 return start;
3120         pos += ret;
3121
3122         d = wpabuf_head_u8(data);
3123         for (i = 0; i < wpabuf_len(data); i++) {
3124                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3125                 if (ret < 0 || ret >= end - pos)
3126                         return start;
3127                 pos += ret;
3128         }
3129
3130         ret = os_snprintf(pos, end - pos, "\n");
3131         if (ret < 0 || ret >= end - pos)
3132                 return start;
3133         pos += ret;
3134
3135         return pos;
3136 }
3137 #endif /* CONFIG_INTERWORKING */
3138
3139
3140 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3141                           unsigned long mask, char *buf, size_t buflen)
3142 {
3143         size_t i;
3144         int ret;
3145         char *pos, *end;
3146         const u8 *ie, *ie2;
3147
3148         pos = buf;
3149         end = buf + buflen;
3150
3151         if (mask & WPA_BSS_MASK_ID) {
3152                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3153                 if (ret < 0 || ret >= end - pos)
3154                         return 0;
3155                 pos += ret;
3156         }
3157
3158         if (mask & WPA_BSS_MASK_BSSID) {
3159                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3160                                   MAC2STR(bss->bssid));
3161                 if (ret < 0 || ret >= end - pos)
3162                         return 0;
3163                 pos += ret;
3164         }
3165
3166         if (mask & WPA_BSS_MASK_FREQ) {
3167                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3168                 if (ret < 0 || ret >= end - pos)
3169                         return 0;
3170                 pos += ret;
3171         }
3172
3173         if (mask & WPA_BSS_MASK_BEACON_INT) {
3174                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3175                                   bss->beacon_int);
3176                 if (ret < 0 || ret >= end - pos)
3177                         return 0;
3178                 pos += ret;
3179         }
3180
3181         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3182                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3183                                   bss->caps);
3184                 if (ret < 0 || ret >= end - pos)
3185                         return 0;
3186                 pos += ret;
3187         }
3188
3189         if (mask & WPA_BSS_MASK_QUAL) {
3190                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3191                 if (ret < 0 || ret >= end - pos)
3192                         return 0;
3193                 pos += ret;
3194         }
3195
3196         if (mask & WPA_BSS_MASK_NOISE) {
3197                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3198                 if (ret < 0 || ret >= end - pos)
3199                         return 0;
3200                 pos += ret;
3201         }
3202
3203         if (mask & WPA_BSS_MASK_LEVEL) {
3204                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3205                 if (ret < 0 || ret >= end - pos)
3206                         return 0;
3207                 pos += ret;
3208         }
3209
3210         if (mask & WPA_BSS_MASK_TSF) {
3211                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3212                                   (unsigned long long) bss->tsf);
3213                 if (ret < 0 || ret >= end - pos)
3214                         return 0;
3215                 pos += ret;
3216         }
3217
3218         if (mask & WPA_BSS_MASK_AGE) {
3219                 struct os_time now;
3220
3221                 os_get_time(&now);
3222                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3223                                   (int) (now.sec - bss->last_update.sec));
3224                 if (ret < 0 || ret >= end - pos)
3225                         return 0;
3226                 pos += ret;
3227         }
3228
3229         if (mask & WPA_BSS_MASK_IE) {
3230                 ret = os_snprintf(pos, end - pos, "ie=");
3231                 if (ret < 0 || ret >= end - pos)
3232                         return 0;
3233                 pos += ret;
3234
3235                 ie = (const u8 *) (bss + 1);
3236                 for (i = 0; i < bss->ie_len; i++) {
3237                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3238                         if (ret < 0 || ret >= end - pos)
3239                                 return 0;
3240                         pos += ret;
3241                 }
3242
3243                 ret = os_snprintf(pos, end - pos, "\n");
3244                 if (ret < 0 || ret >= end - pos)
3245                         return 0;
3246                 pos += ret;
3247         }
3248
3249         if (mask & WPA_BSS_MASK_FLAGS) {
3250                 ret = os_snprintf(pos, end - pos, "flags=");
3251                 if (ret < 0 || ret >= end - pos)
3252                         return 0;
3253                 pos += ret;
3254
3255                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3256                 if (ie)
3257                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3258                                                     2 + ie[1]);
3259                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3260                 if (ie2)
3261                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3262                                                     2 + ie2[1]);
3263                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3264                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3265                         ret = os_snprintf(pos, end - pos, "[WEP]");
3266                         if (ret < 0 || ret >= end - pos)
3267                                 return 0;
3268                         pos += ret;
3269                 }
3270                 if (bss->caps & IEEE80211_CAP_IBSS) {
3271                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3272                         if (ret < 0 || ret >= end - pos)
3273                                 return 0;
3274                         pos += ret;
3275                 }
3276                 if (bss->caps & IEEE80211_CAP_ESS) {
3277                         ret = os_snprintf(pos, end - pos, "[ESS]");
3278                         if (ret < 0 || ret >= end - pos)
3279                                 return 0;
3280                         pos += ret;
3281                 }
3282                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3283                         ret = os_snprintf(pos, end - pos, "[P2P]");
3284                         if (ret < 0 || ret >= end - pos)
3285                                 return 0;
3286                         pos += ret;
3287                 }
3288 #ifdef CONFIG_HS20
3289                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3290                         ret = os_snprintf(pos, end - pos, "[HS20]");
3291                         if (ret < 0 || ret >= end - pos)
3292                                 return 0;
3293                         pos += ret;
3294                 }
3295 #endif /* CONFIG_HS20 */
3296
3297                 ret = os_snprintf(pos, end - pos, "\n");
3298                 if (ret < 0 || ret >= end - pos)
3299                         return 0;
3300                 pos += ret;
3301         }
3302
3303         if (mask & WPA_BSS_MASK_SSID) {
3304                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3305                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3306                 if (ret < 0 || ret >= end - pos)
3307                         return 0;
3308                 pos += ret;
3309         }
3310
3311 #ifdef CONFIG_WPS
3312         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3313                 ie = (const u8 *) (bss + 1);
3314                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3315                 if (ret < 0 || ret >= end - pos)
3316                         return 0;
3317                 pos += ret;
3318         }
3319 #endif /* CONFIG_WPS */
3320
3321 #ifdef CONFIG_P2P
3322         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3323                 ie = (const u8 *) (bss + 1);
3324                 ret = wpas_p2p_scan_result_text(ie, bss->ie_len, pos, end);
3325                 if (ret < 0 || ret >= end - pos)
3326                         return 0;
3327                 pos += ret;
3328         }
3329 #endif /* CONFIG_P2P */
3330
3331 #ifdef CONFIG_WIFI_DISPLAY
3332         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3333                 struct wpabuf *wfd;
3334                 ie = (const u8 *) (bss + 1);
3335                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3336                                                   WFD_IE_VENDOR_TYPE);
3337                 if (wfd) {
3338                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3339                         if (ret < 0 || ret >= end - pos)
3340                                 return 0;
3341                         pos += ret;
3342
3343                         pos += wpa_snprintf_hex(pos, end - pos,
3344                                                 wpabuf_head(wfd),
3345                                                 wpabuf_len(wfd));
3346                         wpabuf_free(wfd);
3347
3348                         ret = os_snprintf(pos, end - pos, "\n");
3349                         if (ret < 0 || ret >= end - pos)
3350                                 return 0;
3351                         pos += ret;
3352                 }
3353         }
3354 #endif /* CONFIG_WIFI_DISPLAY */
3355
3356 #ifdef CONFIG_INTERWORKING
3357         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3358                 struct wpa_bss_anqp *anqp = bss->anqp;
3359                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3360                                    anqp->venue_name);
3361                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3362                                    anqp->network_auth_type);
3363                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3364                                    anqp->roaming_consortium);
3365                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3366                                    anqp->ip_addr_type_availability);
3367                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3368                                    anqp->nai_realm);
3369                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3370                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3371                                    anqp->domain_name);
3372 #ifdef CONFIG_HS20
3373                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3374                                    anqp->hs20_operator_friendly_name);
3375                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3376                                    anqp->hs20_wan_metrics);
3377                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3378                                    anqp->hs20_connection_capability);
3379 #endif /* CONFIG_HS20 */
3380         }
3381 #endif /* CONFIG_INTERWORKING */
3382
3383         if (mask & WPA_BSS_MASK_DELIM) {
3384                 ret = os_snprintf(pos, end - pos, "====\n");
3385                 if (ret < 0 || ret >= end - pos)
3386                         return 0;
3387                 pos += ret;
3388         }
3389
3390         return pos - buf;
3391 }
3392
3393
3394 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3395                                          const char *cmd, char *buf,
3396                                          size_t buflen)
3397 {
3398         u8 bssid[ETH_ALEN];
3399         size_t i;
3400         struct wpa_bss *bss;
3401         struct wpa_bss *bsslast = NULL;
3402         struct dl_list *next;
3403         int ret = 0;
3404         int len;
3405         char *ctmp;
3406         unsigned long mask = WPA_BSS_MASK_ALL;
3407
3408         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3409                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3410                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3411                                             list_id);
3412                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3413                                                list_id);
3414                 } else { /* N1-N2 */
3415                         unsigned int id1, id2;
3416
3417                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3418                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3419                                            "format");
3420                                 return 0;
3421                         }
3422
3423                         if (*(cmd + 6) == '-')
3424                                 id1 = 0;
3425                         else
3426                                 id1 = atoi(cmd + 6);
3427                         ctmp++;
3428                         if (*ctmp >= '0' && *ctmp <= '9')
3429                                 id2 = atoi(ctmp);
3430                         else
3431                                 id2 = (unsigned int) -1;
3432                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3433                         if (id2 == (unsigned int) -1)
3434                                 bsslast = dl_list_last(&wpa_s->bss_id,
3435                                                        struct wpa_bss,
3436                                                        list_id);
3437                         else {
3438                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3439                                 if (bsslast == NULL && bss && id2 > id1) {
3440                                         struct wpa_bss *tmp = bss;
3441                                         for (;;) {
3442                                                 next = tmp->list_id.next;
3443                                                 if (next == &wpa_s->bss_id)
3444                                                         break;
3445                                                 tmp = dl_list_entry(
3446                                                         next, struct wpa_bss,
3447                                                         list_id);
3448                                                 if (tmp->id > id2)
3449                                                         break;
3450                                                 bsslast = tmp;
3451                                         }
3452                                 }
3453                         }
3454                 }
3455         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3456                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3457         else if (os_strncmp(cmd, "LAST", 4) == 0)
3458                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3459         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3460                 i = atoi(cmd + 3);
3461                 bss = wpa_bss_get_id(wpa_s, i);
3462         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3463                 i = atoi(cmd + 5);
3464                 bss = wpa_bss_get_id(wpa_s, i);
3465                 if (bss) {
3466                         next = bss->list_id.next;
3467                         if (next == &wpa_s->bss_id)
3468                                 bss = NULL;
3469                         else
3470                                 bss = dl_list_entry(next, struct wpa_bss,
3471                                                     list_id);
3472                 }
3473 #ifdef CONFIG_P2P
3474         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3475                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3476                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3477                 else
3478                         bss = NULL;
3479 #endif /* CONFIG_P2P */
3480         } else if (hwaddr_aton(cmd, bssid) == 0)
3481                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3482         else {
3483                 struct wpa_bss *tmp;
3484                 i = atoi(cmd);
3485                 bss = NULL;
3486                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3487                 {
3488                         if (i-- == 0) {
3489                                 bss = tmp;
3490                                 break;
3491                         }
3492                 }
3493         }
3494
3495         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3496                 mask = strtoul(ctmp + 5, NULL, 0x10);
3497                 if (mask == 0)
3498                         mask = WPA_BSS_MASK_ALL;
3499         }
3500
3501         if (bss == NULL)
3502                 return 0;
3503
3504         if (bsslast == NULL)
3505                 bsslast = bss;
3506         do {
3507                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3508                 ret += len;
3509                 buf += len;
3510                 buflen -= len;
3511                 if (bss == bsslast) {
3512                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3513                             (bss == dl_list_last(&wpa_s->bss_id,
3514                                                  struct wpa_bss, list_id)))
3515                                 os_snprintf(buf - 5, 5, "####\n");
3516                         break;
3517                 }
3518                 next = bss->list_id.next;
3519                 if (next == &wpa_s->bss_id)
3520                         break;
3521                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3522         } while (bss && len);
3523
3524         return ret;
3525 }
3526
3527
3528 static int wpa_supplicant_ctrl_iface_ap_scan(
3529         struct wpa_supplicant *wpa_s, char *cmd)
3530 {
3531         int ap_scan = atoi(cmd);
3532         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3533 }
3534
3535
3536 static int wpa_supplicant_ctrl_iface_scan_interval(
3537         struct wpa_supplicant *wpa_s, char *cmd)
3538 {
3539         int scan_int = atoi(cmd);
3540         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3541 }
3542
3543
3544 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3545         struct wpa_supplicant *wpa_s, char *cmd)
3546 {
3547         int expire_age = atoi(cmd);
3548         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3549 }
3550
3551
3552 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3553         struct wpa_supplicant *wpa_s, char *cmd)
3554 {
3555         int expire_count = atoi(cmd);
3556         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3557 }
3558
3559
3560 static int wpa_supplicant_ctrl_iface_bss_flush(
3561         struct wpa_supplicant *wpa_s, char *cmd)
3562 {
3563         int flush_age = atoi(cmd);
3564
3565         if (flush_age == 0)
3566                 wpa_bss_flush(wpa_s);
3567         else
3568                 wpa_bss_flush_by_age(wpa_s, flush_age);
3569         return 0;
3570 }
3571
3572
3573 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3574 {
3575         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3576         /* MLME-DELETEKEYS.request */
3577         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3578         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3579         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3580         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3581 #ifdef CONFIG_IEEE80211W
3582         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3583         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3584 #endif /* CONFIG_IEEE80211W */
3585
3586         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3587                         0);
3588         /* MLME-SETPROTECTION.request(None) */
3589         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3590                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3591                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3592         wpa_sm_drop_sa(wpa_s->wpa);
3593 }
3594
3595
3596 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3597                                           char *addr)
3598 {
3599 #ifdef CONFIG_NO_SCAN_PROCESSING
3600         return -1;
3601 #else /* CONFIG_NO_SCAN_PROCESSING */
3602         u8 bssid[ETH_ALEN];
3603         struct wpa_bss *bss;
3604         struct wpa_ssid *ssid = wpa_s->current_ssid;
3605
3606         if (hwaddr_aton(addr, bssid)) {
3607                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3608                            "address '%s'", addr);
3609                 return -1;
3610         }
3611
3612         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3613
3614         if (!ssid) {
3615                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3616                            "configuration known for the target AP");
3617                 return -1;
3618         }
3619
3620         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3621         if (!bss) {
3622                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3623                            "from BSS table");
3624                 return -1;
3625         }
3626
3627         /*
3628          * TODO: Find best network configuration block from configuration to
3629          * allow roaming to other networks
3630          */
3631
3632         wpa_s->reassociate = 1;
3633         wpa_supplicant_connect(wpa_s, bss, ssid);
3634
3635         return 0;
3636 #endif /* CONFIG_NO_SCAN_PROCESSING */
3637 }
3638
3639
3640 #ifdef CONFIG_P2P
3641 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3642 {
3643         unsigned int timeout = atoi(cmd);
3644         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3645         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3646         char *pos;
3647         unsigned int search_delay;
3648
3649         if (os_strstr(cmd, "type=social"))
3650                 type = P2P_FIND_ONLY_SOCIAL;
3651         else if (os_strstr(cmd, "type=progressive"))
3652                 type = P2P_FIND_PROGRESSIVE;
3653
3654         pos = os_strstr(cmd, "dev_id=");
3655         if (pos) {
3656                 pos += 7;
3657                 if (hwaddr_aton(pos, dev_id))
3658                         return -1;
3659                 _dev_id = dev_id;
3660         }
3661
3662         pos = os_strstr(cmd, "delay=");
3663         if (pos) {
3664                 pos += 6;
3665                 search_delay = atoi(pos);
3666         } else
3667                 search_delay = wpas_p2p_search_delay(wpa_s);
3668
3669         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3670                              search_delay);
3671 }
3672
3673
3674 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3675                             char *buf, size_t buflen)
3676 {
3677         u8 addr[ETH_ALEN];
3678         char *pos, *pos2;
3679         char *pin = NULL;
3680         enum p2p_wps_method wps_method;
3681         int new_pin;
3682         int ret;
3683         int persistent_group, persistent_id = -1;
3684         int join;
3685         int auth;
3686         int automatic;
3687         int go_intent = -1;
3688         int freq = 0;
3689         int pd;
3690         int ht40;
3691
3692         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3693          * [persistent|persistent=<network id>]
3694          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3695          * [ht40] */
3696
3697         if (hwaddr_aton(cmd, addr))
3698                 return -1;
3699
3700         pos = cmd + 17;
3701         if (*pos != ' ')
3702                 return -1;
3703         pos++;
3704
3705         persistent_group = os_strstr(pos, " persistent") != NULL;
3706         pos2 = os_strstr(pos, " persistent=");
3707         if (pos2) {
3708                 struct wpa_ssid *ssid;
3709                 persistent_id = atoi(pos2 + 12);
3710                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3711                 if (ssid == NULL || ssid->disabled != 2 ||
3712                     ssid->mode != WPAS_MODE_P2P_GO) {
3713                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3714                                    "SSID id=%d for persistent P2P group (GO)",
3715                                    persistent_id);
3716                         return -1;
3717                 }
3718         }
3719         join = os_strstr(pos, " join") != NULL;
3720         auth = os_strstr(pos, " auth") != NULL;
3721         automatic = os_strstr(pos, " auto") != NULL;
3722         pd = os_strstr(pos, " provdisc") != NULL;
3723         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3724
3725         pos2 = os_strstr(pos, " go_intent=");
3726         if (pos2) {
3727                 pos2 += 11;
3728                 go_intent = atoi(pos2);
3729                 if (go_intent < 0 || go_intent > 15)
3730                         return -1;
3731         }
3732
3733         pos2 = os_strstr(pos, " freq=");
3734         if (pos2) {
3735                 pos2 += 6;
3736                 freq = atoi(pos2);
3737                 if (freq <= 0)
3738                         return -1;
3739         }
3740
3741         if (os_strncmp(pos, "pin", 3) == 0) {
3742                 /* Request random PIN (to be displayed) and enable the PIN */
3743                 wps_method = WPS_PIN_DISPLAY;
3744         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3745                 wps_method = WPS_PBC;
3746         } else {
3747                 pin = pos;
3748                 pos = os_strchr(pin, ' ');
3749                 wps_method = WPS_PIN_KEYPAD;
3750                 if (pos) {
3751                         *pos++ = '\0';
3752                         if (os_strncmp(pos, "display", 7) == 0)
3753                                 wps_method = WPS_PIN_DISPLAY;
3754                 }
3755                 if (!wps_pin_str_valid(pin)) {
3756                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3757                         return 17;
3758                 }
3759         }
3760
3761         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3762                                    persistent_group, automatic, join,
3763                                    auth, go_intent, freq, persistent_id, pd,
3764                                    ht40);
3765         if (new_pin == -2) {
3766                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3767                 return 25;
3768         }
3769         if (new_pin == -3) {
3770                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3771                 return 25;
3772         }
3773         if (new_pin < 0)
3774                 return -1;
3775         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3776                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3777                 if (ret < 0 || (size_t) ret >= buflen)
3778                         return -1;
3779                 return ret;
3780         }
3781
3782         os_memcpy(buf, "OK\n", 3);
3783         return 3;
3784 }
3785
3786
3787 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3788 {
3789         unsigned int timeout = atoi(cmd);
3790         return wpas_p2p_listen(wpa_s, timeout);
3791 }
3792
3793
3794 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3795 {
3796         u8 addr[ETH_ALEN];
3797         char *pos;
3798         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3799
3800         /* <addr> <config method> [join|auto] */
3801
3802         if (hwaddr_aton(cmd, addr))
3803                 return -1;
3804
3805         pos = cmd + 17;
3806         if (*pos != ' ')
3807                 return -1;
3808         pos++;
3809
3810         if (os_strstr(pos, " join") != NULL)
3811                 use = WPAS_P2P_PD_FOR_JOIN;
3812         else if (os_strstr(pos, " auto") != NULL)
3813                 use = WPAS_P2P_PD_AUTO;
3814
3815         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3816 }
3817
3818
3819 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3820                               size_t buflen)
3821 {
3822         struct wpa_ssid *ssid = wpa_s->current_ssid;
3823
3824         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3825             ssid->passphrase == NULL)
3826                 return -1;
3827
3828         os_strlcpy(buf, ssid->passphrase, buflen);
3829         return os_strlen(buf);
3830 }
3831
3832
3833 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3834                                   char *buf, size_t buflen)
3835 {
3836         u64 ref;
3837         int res;
3838         u8 dst_buf[ETH_ALEN], *dst;
3839         struct wpabuf *tlvs;
3840         char *pos;
3841         size_t len;
3842
3843         if (hwaddr_aton(cmd, dst_buf))
3844                 return -1;
3845         dst = dst_buf;
3846         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3847             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3848                 dst = NULL;
3849         pos = cmd + 17;
3850         if (*pos != ' ')
3851                 return -1;
3852         pos++;
3853
3854         if (os_strncmp(pos, "upnp ", 5) == 0) {
3855                 u8 version;
3856                 pos += 5;
3857                 if (hexstr2bin(pos, &version, 1) < 0)
3858                         return -1;
3859                 pos += 2;
3860                 if (*pos != ' ')
3861                         return -1;
3862                 pos++;
3863                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3864 #ifdef CONFIG_WIFI_DISPLAY
3865         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3866                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3867 #endif /* CONFIG_WIFI_DISPLAY */
3868         } else {
3869                 len = os_strlen(pos);
3870                 if (len & 1)
3871                         return -1;
3872                 len /= 2;
3873                 tlvs = wpabuf_alloc(len);
3874                 if (tlvs == NULL)
3875                         return -1;
3876                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3877                         wpabuf_free(tlvs);
3878                         return -1;
3879                 }
3880
3881                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3882                 wpabuf_free(tlvs);
3883         }
3884         if (ref == 0)
3885                 return -1;
3886         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3887         if (res < 0 || (unsigned) res >= buflen)
3888                 return -1;
3889         return res;
3890 }
3891
3892
3893 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3894                                          char *cmd)
3895 {
3896         long long unsigned val;
3897         u64 req;
3898         if (sscanf(cmd, "%llx", &val) != 1)
3899                 return -1;
3900         req = val;
3901         return wpas_p2p_sd_cancel_request(wpa_s, req);
3902 }
3903
3904
3905 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3906 {
3907         int freq;
3908         u8 dst[ETH_ALEN];
3909         u8 dialog_token;
3910         struct wpabuf *resp_tlvs;
3911         char *pos, *pos2;
3912         size_t len;
3913
3914         pos = os_strchr(cmd, ' ');
3915         if (pos == NULL)
3916                 return -1;
3917         *pos++ = '\0';
3918         freq = atoi(cmd);
3919         if (freq == 0)
3920                 return -1;
3921
3922         if (hwaddr_aton(pos, dst))
3923                 return -1;
3924         pos += 17;
3925         if (*pos != ' ')
3926                 return -1;
3927         pos++;
3928
3929         pos2 = os_strchr(pos, ' ');
3930         if (pos2 == NULL)
3931                 return -1;
3932         *pos2++ = '\0';
3933         dialog_token = atoi(pos);
3934
3935         len = os_strlen(pos2);
3936         if (len & 1)
3937                 return -1;
3938         len /= 2;
3939         resp_tlvs = wpabuf_alloc(len);
3940         if (resp_tlvs == NULL)
3941                 return -1;
3942         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3943                 wpabuf_free(resp_tlvs);
3944                 return -1;
3945         }
3946
3947         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3948         wpabuf_free(resp_tlvs);
3949         return 0;
3950 }
3951
3952
3953 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3954                                        char *cmd)
3955 {
3956         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3957                 return -1;
3958         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3959         return 0;
3960 }
3961
3962
3963 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3964                                         char *cmd)
3965 {
3966         char *pos;
3967         size_t len;
3968         struct wpabuf *query, *resp;
3969
3970         pos = os_strchr(cmd, ' ');
3971         if (pos == NULL)
3972                 return -1;
3973         *pos++ = '\0';
3974
3975         len = os_strlen(cmd);
3976         if (len & 1)
3977                 return -1;
3978         len /= 2;
3979         query = wpabuf_alloc(len);
3980         if (query == NULL)
3981                 return -1;
3982         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3983                 wpabuf_free(query);
3984                 return -1;
3985         }
3986
3987         len = os_strlen(pos);
3988         if (len & 1) {
3989                 wpabuf_free(query);
3990                 return -1;
3991         }
3992         len /= 2;
3993         resp = wpabuf_alloc(len);
3994         if (resp == NULL) {
3995                 wpabuf_free(query);
3996                 return -1;
3997         }
3998         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3999                 wpabuf_free(query);
4000                 wpabuf_free(resp);
4001                 return -1;
4002         }
4003
4004         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
4005                 wpabuf_free(query);
4006                 wpabuf_free(resp);
4007                 return -1;
4008         }
4009         return 0;
4010 }
4011
4012
4013 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4014 {
4015         char *pos;
4016         u8 version;
4017
4018         pos = os_strchr(cmd, ' ');
4019         if (pos == NULL)
4020                 return -1;
4021         *pos++ = '\0';
4022
4023         if (hexstr2bin(cmd, &version, 1) < 0)
4024                 return -1;
4025
4026         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4027 }
4028
4029
4030 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4031 {
4032         char *pos;
4033
4034         pos = os_strchr(cmd, ' ');
4035         if (pos == NULL)
4036                 return -1;
4037         *pos++ = '\0';
4038
4039         if (os_strcmp(cmd, "bonjour") == 0)
4040                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4041         if (os_strcmp(cmd, "upnp") == 0)
4042                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4043         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4044         return -1;
4045 }
4046
4047
4048 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4049                                         char *cmd)
4050 {
4051         size_t len;
4052         struct wpabuf *query;
4053         int ret;
4054
4055         len = os_strlen(cmd);
4056         if (len & 1)
4057                 return -1;
4058         len /= 2;
4059         query = wpabuf_alloc(len);
4060         if (query == NULL)
4061                 return -1;
4062         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4063                 wpabuf_free(query);
4064                 return -1;
4065         }
4066
4067         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4068         wpabuf_free(query);
4069         return ret;
4070 }
4071
4072
4073 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4074 {
4075         char *pos;
4076         u8 version;
4077
4078         pos = os_strchr(cmd, ' ');
4079         if (pos == NULL)
4080                 return -1;
4081         *pos++ = '\0';
4082
4083         if (hexstr2bin(cmd, &version, 1) < 0)
4084                 return -1;
4085
4086         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4087 }
4088
4089
4090 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4091 {
4092         char *pos;
4093
4094         pos = os_strchr(cmd, ' ');
4095         if (pos == NULL)
4096                 return -1;
4097         *pos++ = '\0';
4098
4099         if (os_strcmp(cmd, "bonjour") == 0)
4100                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4101         if (os_strcmp(cmd, "upnp") == 0)
4102                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4103         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4104         return -1;
4105 }
4106
4107
4108 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4109 {
4110         u8 addr[ETH_ALEN];
4111
4112         /* <addr> */
4113
4114         if (hwaddr_aton(cmd, addr))
4115                 return -1;
4116
4117         return wpas_p2p_reject(wpa_s, addr);
4118 }
4119
4120
4121 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4122 {
4123         char *pos;
4124         int id;
4125         struct wpa_ssid *ssid;
4126         u8 *_peer = NULL, peer[ETH_ALEN];
4127         int freq = 0, pref_freq = 0;
4128         int ht40;
4129
4130         id = atoi(cmd);
4131         pos = os_strstr(cmd, " peer=");
4132         if (pos) {
4133                 pos += 6;
4134                 if (hwaddr_aton(pos, peer))
4135                         return -1;
4136                 _peer = peer;
4137         }
4138         ssid = wpa_config_get_network(wpa_s->conf, id);
4139         if (ssid == NULL || ssid->disabled != 2) {
4140                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4141                            "for persistent P2P group",
4142                            id);
4143                 return -1;
4144         }
4145
4146         pos = os_strstr(cmd, " freq=");
4147         if (pos) {
4148                 pos += 6;
4149                 freq = atoi(pos);
4150                 if (freq <= 0)
4151                         return -1;
4152         }
4153
4154         pos = os_strstr(cmd, " pref=");
4155         if (pos) {
4156                 pos += 6;
4157                 pref_freq = atoi(pos);
4158                 if (pref_freq <= 0)
4159                         return -1;
4160         }
4161
4162         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4163
4164         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, pref_freq);
4165 }
4166
4167
4168 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4169 {
4170         char *pos;
4171         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4172
4173         pos = os_strstr(cmd, " peer=");
4174         if (!pos)
4175                 return -1;
4176
4177         *pos = '\0';
4178         pos += 6;
4179         if (hwaddr_aton(pos, peer)) {
4180                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4181                 return -1;
4182         }
4183
4184         pos = os_strstr(pos, " go_dev_addr=");
4185         if (pos) {
4186                 pos += 13;
4187                 if (hwaddr_aton(pos, go_dev_addr)) {
4188                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4189                                    pos);
4190                         return -1;
4191                 }
4192                 go_dev = go_dev_addr;
4193         }
4194
4195         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4196 }
4197
4198
4199 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4200 {
4201         if (os_strncmp(cmd, "persistent=", 11) == 0)
4202                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4203         if (os_strncmp(cmd, "group=", 6) == 0)
4204                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4205
4206         return -1;
4207 }
4208
4209
4210 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4211                                          char *cmd, int freq, int ht40)
4212 {
4213         int id;
4214         struct wpa_ssid *ssid;
4215
4216         id = atoi(cmd);
4217         ssid = wpa_config_get_network(wpa_s->conf, id);
4218         if (ssid == NULL || ssid->disabled != 2) {
4219                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4220                            "for persistent P2P group",
4221                            id);
4222                 return -1;
4223         }
4224
4225         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, NULL);
4226 }
4227
4228
4229 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4230 {
4231         int freq = 0, ht40;
4232         char *pos;
4233
4234         pos = os_strstr(cmd, "freq=");
4235         if (pos)
4236                 freq = atoi(pos + 5);
4237
4238         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4239
4240         if (os_strncmp(cmd, "persistent=", 11) == 0)
4241                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4242                                                      ht40);
4243         if (os_strcmp(cmd, "persistent") == 0 ||
4244             os_strncmp(cmd, "persistent ", 11) == 0)
4245                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4246         if (os_strncmp(cmd, "freq=", 5) == 0)
4247                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4248         if (ht40)
4249                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4250
4251         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4252                    cmd);
4253         return -1;
4254 }
4255
4256
4257 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4258                          char *buf, size_t buflen)
4259 {
4260         u8 addr[ETH_ALEN], *addr_ptr;
4261         int next, res;
4262         const struct p2p_peer_info *info;
4263         char *pos, *end;
4264         char devtype[WPS_DEV_TYPE_BUFSIZE];
4265         struct wpa_ssid *ssid;
4266         size_t i;
4267
4268         if (!wpa_s->global->p2p)
4269                 return -1;
4270
4271         if (os_strcmp(cmd, "FIRST") == 0) {
4272                 addr_ptr = NULL;
4273                 next = 0;
4274         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4275                 if (hwaddr_aton(cmd + 5, addr) < 0)
4276                         return -1;
4277                 addr_ptr = addr;
4278                 next = 1;
4279         } else {
4280                 if (hwaddr_aton(cmd, addr) < 0)
4281                         return -1;
4282                 addr_ptr = addr;
4283                 next = 0;
4284         }
4285
4286         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4287         if (info == NULL)
4288                 return -1;
4289
4290         pos = buf;
4291         end = buf + buflen;
4292
4293         res = os_snprintf(pos, end - pos, MACSTR "\n"
4294                           "pri_dev_type=%s\n"
4295                           "device_name=%s\n"
4296                           "manufacturer=%s\n"
4297                           "model_name=%s\n"
4298                           "model_number=%s\n"
4299                           "serial_number=%s\n"
4300                           "config_methods=0x%x\n"
4301                           "dev_capab=0x%x\n"
4302                           "group_capab=0x%x\n"
4303                           "level=%d\n",
4304                           MAC2STR(info->p2p_device_addr),
4305                           wps_dev_type_bin2str(info->pri_dev_type,
4306                                                devtype, sizeof(devtype)),
4307                           info->device_name,
4308                           info->manufacturer,
4309                           info->model_name,
4310                           info->model_number,
4311                           info->serial_number,
4312                           info->config_methods,
4313                           info->dev_capab,
4314                           info->group_capab,
4315                           info->level);
4316         if (res < 0 || res >= end - pos)
4317                 return pos - buf;
4318         pos += res;
4319
4320         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4321         {
4322                 const u8 *t;
4323                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4324                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4325                                   wps_dev_type_bin2str(t, devtype,
4326                                                        sizeof(devtype)));
4327                 if (res < 0 || res >= end - pos)
4328                         return pos - buf;
4329                 pos += res;
4330         }
4331
4332         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4333         if (ssid) {
4334                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4335                 if (res < 0 || res >= end - pos)
4336                         return pos - buf;
4337                 pos += res;
4338         }
4339
4340         res = p2p_get_peer_info_txt(info, pos, end - pos);
4341         if (res < 0)
4342                 return pos - buf;
4343         pos += res;
4344
4345         return pos - buf;
4346 }
4347
4348
4349 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4350                                   const char *param)
4351 {
4352         struct wpa_freq_range *freq = NULL, *n;
4353         unsigned int count = 0, i;
4354         const char *pos, *pos2, *pos3;
4355
4356         if (wpa_s->global->p2p == NULL)
4357                 return -1;
4358
4359         /*
4360          * param includes comma separated frequency range.
4361          * For example: 2412-2432,2462,5000-6000
4362          */
4363         pos = param;
4364         while (pos && pos[0]) {
4365                 n = os_realloc_array(freq, count + 1,
4366                                      sizeof(struct wpa_freq_range));
4367                 if (n == NULL) {
4368                         os_free(freq);
4369                         return -1;
4370                 }
4371                 freq = n;
4372                 freq[count].min = atoi(pos);
4373                 pos2 = os_strchr(pos, '-');
4374                 pos3 = os_strchr(pos, ',');
4375                 if (pos2 && (!pos3 || pos2 < pos3)) {
4376                         pos2++;
4377                         freq[count].max = atoi(pos2);
4378                 } else
4379                         freq[count].max = freq[count].min;
4380                 pos = pos3;
4381                 if (pos)
4382                         pos++;
4383                 count++;
4384         }
4385
4386         for (i = 0; i < count; i++) {
4387                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4388                            freq[i].min, freq[i].max);
4389         }
4390
4391         os_free(wpa_s->global->p2p_disallow_freq);
4392         wpa_s->global->p2p_disallow_freq = freq;
4393         wpa_s->global->num_p2p_disallow_freq = count;
4394         wpas_p2p_update_channel_list(wpa_s);
4395         return 0;
4396 }
4397
4398
4399 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4400 {
4401         char *param;
4402
4403         if (wpa_s->global->p2p == NULL)
4404                 return -1;
4405
4406         param = os_strchr(cmd, ' ');
4407         if (param == NULL)
4408                 return -1;
4409         *param++ = '\0';
4410
4411         if (os_strcmp(cmd, "discoverability") == 0) {
4412                 p2p_set_client_discoverability(wpa_s->global->p2p,
4413                                                atoi(param));
4414                 return 0;
4415         }
4416
4417         if (os_strcmp(cmd, "managed") == 0) {
4418                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4419                 return 0;
4420         }
4421
4422         if (os_strcmp(cmd, "listen_channel") == 0) {
4423                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4424                                               atoi(param));
4425         }
4426
4427         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4428                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4429                                             os_strlen(param));
4430         }
4431
4432         if (os_strcmp(cmd, "noa") == 0) {
4433                 char *pos;
4434                 int count, start, duration;
4435                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4436                 count = atoi(param);
4437                 pos = os_strchr(param, ',');
4438                 if (pos == NULL)
4439                         return -1;
4440                 pos++;
4441                 start = atoi(pos);
4442                 pos = os_strchr(pos, ',');
4443                 if (pos == NULL)
4444                         return -1;
4445                 pos++;
4446                 duration = atoi(pos);
4447                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4448                         return -1;
4449                 if (count == 0 && duration > 0)
4450                         return -1;
4451                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4452                            "start=%d duration=%d", count, start, duration);
4453                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4454         }
4455
4456         if (os_strcmp(cmd, "ps") == 0)
4457                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4458
4459         if (os_strcmp(cmd, "oppps") == 0)
4460                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4461
4462         if (os_strcmp(cmd, "ctwindow") == 0)
4463                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4464
4465         if (os_strcmp(cmd, "disabled") == 0) {
4466                 wpa_s->global->p2p_disabled = atoi(param);
4467                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4468                            wpa_s->global->p2p_disabled ?
4469                            "disabled" : "enabled");
4470                 if (wpa_s->global->p2p_disabled) {
4471                         wpas_p2p_stop_find(wpa_s);
4472                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4473                         p2p_flush(wpa_s->global->p2p);
4474                 }
4475                 return 0;
4476         }
4477
4478         if (os_strcmp(cmd, "conc_pref") == 0) {
4479                 if (os_strcmp(param, "sta") == 0)
4480                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4481                 else if (os_strcmp(param, "p2p") == 0)
4482                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4483                 else {
4484                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4485                         return -1;
4486                 }
4487                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4488                            "%s", param);
4489                 return 0;
4490         }
4491
4492         if (os_strcmp(cmd, "force_long_sd") == 0) {
4493                 wpa_s->force_long_sd = atoi(param);
4494                 return 0;
4495         }
4496
4497         if (os_strcmp(cmd, "peer_filter") == 0) {
4498                 u8 addr[ETH_ALEN];
4499                 if (hwaddr_aton(param, addr))
4500                         return -1;
4501                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4502                 return 0;
4503         }
4504
4505         if (os_strcmp(cmd, "cross_connect") == 0)
4506                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4507
4508         if (os_strcmp(cmd, "go_apsd") == 0) {
4509                 if (os_strcmp(param, "disable") == 0)
4510                         wpa_s->set_ap_uapsd = 0;
4511                 else {
4512                         wpa_s->set_ap_uapsd = 1;
4513                         wpa_s->ap_uapsd = atoi(param);
4514                 }
4515                 return 0;
4516         }
4517
4518         if (os_strcmp(cmd, "client_apsd") == 0) {
4519                 if (os_strcmp(param, "disable") == 0)
4520                         wpa_s->set_sta_uapsd = 0;
4521                 else {
4522                         int be, bk, vi, vo;
4523                         char *pos;
4524                         /* format: BE,BK,VI,VO;max SP Length */
4525                         be = atoi(param);
4526                         pos = os_strchr(param, ',');
4527                         if (pos == NULL)
4528                                 return -1;
4529                         pos++;
4530                         bk = atoi(pos);
4531                         pos = os_strchr(pos, ',');
4532                         if (pos == NULL)
4533                                 return -1;
4534                         pos++;
4535                         vi = atoi(pos);
4536                         pos = os_strchr(pos, ',');
4537                         if (pos == NULL)
4538                                 return -1;
4539                         pos++;
4540                         vo = atoi(pos);
4541                         /* ignore max SP Length for now */
4542
4543                         wpa_s->set_sta_uapsd = 1;
4544                         wpa_s->sta_uapsd = 0;
4545                         if (be)
4546                                 wpa_s->sta_uapsd |= BIT(0);
4547                         if (bk)
4548                                 wpa_s->sta_uapsd |= BIT(1);
4549                         if (vi)
4550                                 wpa_s->sta_uapsd |= BIT(2);
4551                         if (vo)
4552                                 wpa_s->sta_uapsd |= BIT(3);
4553                 }
4554                 return 0;
4555         }
4556
4557         if (os_strcmp(cmd, "disallow_freq") == 0)
4558                 return p2p_ctrl_disallow_freq(wpa_s, param);
4559
4560         if (os_strcmp(cmd, "disc_int") == 0) {
4561                 int min_disc_int, max_disc_int, max_disc_tu;
4562                 char *pos;
4563
4564                 pos = param;
4565
4566                 min_disc_int = atoi(pos);
4567                 pos = os_strchr(pos, ' ');
4568                 if (pos == NULL)
4569                         return -1;
4570                 *pos++ = '\0';
4571
4572                 max_disc_int = atoi(pos);
4573                 pos = os_strchr(pos, ' ');
4574                 if (pos == NULL)
4575                         return -1;
4576                 *pos++ = '\0';
4577
4578                 max_disc_tu = atoi(pos);
4579
4580                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4581                                         max_disc_int, max_disc_tu);
4582         }
4583
4584         if (os_strcmp(cmd, "per_sta_psk") == 0) {
4585                 wpa_s->global->p2p_per_sta_psk = !!atoi(param);
4586                 return 0;
4587         }
4588
4589         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4590                    cmd);
4591
4592         return -1;
4593 }
4594
4595
4596 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4597 {
4598         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4599         wpa_s->force_long_sd = 0;
4600         if (wpa_s->global->p2p)
4601                 p2p_flush(wpa_s->global->p2p);
4602 }
4603
4604
4605 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4606 {
4607         char *pos, *pos2;
4608         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4609
4610         if (cmd[0]) {
4611                 pos = os_strchr(cmd, ' ');
4612                 if (pos == NULL)
4613                         return -1;
4614                 *pos++ = '\0';
4615                 dur1 = atoi(cmd);
4616
4617                 pos2 = os_strchr(pos, ' ');
4618                 if (pos2)
4619                         *pos2++ = '\0';
4620                 int1 = atoi(pos);
4621         } else
4622                 pos2 = NULL;
4623
4624         if (pos2) {
4625                 pos = os_strchr(pos2, ' ');
4626                 if (pos == NULL)
4627                         return -1;
4628                 *pos++ = '\0';
4629                 dur2 = atoi(pos2);
4630                 int2 = atoi(pos);
4631         }
4632
4633         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4634 }
4635
4636
4637 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4638 {
4639         char *pos;
4640         unsigned int period = 0, interval = 0;
4641
4642         if (cmd[0]) {
4643                 pos = os_strchr(cmd, ' ');
4644                 if (pos == NULL)
4645                         return -1;
4646                 *pos++ = '\0';
4647                 period = atoi(cmd);
4648                 interval = atoi(pos);
4649         }
4650
4651         return wpas_p2p_ext_listen(wpa_s, period, interval);
4652 }
4653
4654
4655 static int p2p_ctrl_remove_client(struct wpa_supplicant *wpa_s, const char *cmd)
4656 {
4657         const char *pos;
4658         u8 peer[ETH_ALEN];
4659         int iface_addr = 0;
4660
4661         pos = cmd;
4662         if (os_strncmp(pos, "iface=", 6) == 0) {
4663                 iface_addr = 1;
4664                 pos += 6;
4665         }
4666         if (hwaddr_aton(pos, peer))
4667                 return -1;
4668
4669         wpas_p2p_remove_client(wpa_s, peer, iface_addr);
4670         return 0;
4671 }
4672
4673 #endif /* CONFIG_P2P */
4674
4675
4676 #ifdef CONFIG_INTERWORKING
4677 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4678 {
4679         u8 bssid[ETH_ALEN];
4680         struct wpa_bss *bss;
4681
4682         if (hwaddr_aton(dst, bssid)) {
4683                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4684                 return -1;
4685         }
4686
4687         bss = wpa_bss_get_bssid(wpa_s, bssid);
4688         if (bss == NULL) {
4689                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4690                            MAC2STR(bssid));
4691                 return -1;
4692         }
4693
4694         return interworking_connect(wpa_s, bss);
4695 }
4696
4697
4698 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4699 {
4700         u8 dst_addr[ETH_ALEN];
4701         int used;
4702         char *pos;
4703 #define MAX_ANQP_INFO_ID 100
4704         u16 id[MAX_ANQP_INFO_ID];
4705         size_t num_id = 0;
4706
4707         used = hwaddr_aton2(dst, dst_addr);
4708         if (used < 0)
4709                 return -1;
4710         pos = dst + used;
4711         while (num_id < MAX_ANQP_INFO_ID) {
4712                 id[num_id] = atoi(pos);
4713                 if (id[num_id])
4714                         num_id++;
4715                 pos = os_strchr(pos + 1, ',');
4716                 if (pos == NULL)
4717                         break;
4718                 pos++;
4719         }
4720
4721         if (num_id == 0)
4722                 return -1;
4723
4724         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4725 }
4726
4727
4728 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4729 {
4730         u8 dst_addr[ETH_ALEN];
4731         struct wpabuf *advproto, *query = NULL;
4732         int used, ret = -1;
4733         char *pos, *end;
4734         size_t len;
4735
4736         used = hwaddr_aton2(cmd, dst_addr);
4737         if (used < 0)
4738                 return -1;
4739
4740         pos = cmd + used;
4741         while (*pos == ' ')
4742                 pos++;
4743
4744         /* Advertisement Protocol ID */
4745         end = os_strchr(pos, ' ');
4746         if (end)
4747                 len = end - pos;
4748         else
4749                 len = os_strlen(pos);
4750         if (len & 0x01)
4751                 return -1;
4752         len /= 2;
4753         if (len == 0)
4754                 return -1;
4755         advproto = wpabuf_alloc(len);
4756         if (advproto == NULL)
4757                 return -1;
4758         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4759                 goto fail;
4760
4761         if (end) {
4762                 /* Optional Query Request */
4763                 pos = end + 1;
4764                 while (*pos == ' ')
4765                         pos++;
4766
4767                 len = os_strlen(pos);
4768                 if (len) {
4769                         if (len & 0x01)
4770                                 goto fail;
4771                         len /= 2;
4772                         if (len == 0)
4773                                 goto fail;
4774                         query = wpabuf_alloc(len);
4775                         if (query == NULL)
4776                                 goto fail;
4777                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4778                                 goto fail;
4779                 }
4780         }
4781
4782         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4783
4784 fail:
4785         wpabuf_free(advproto);
4786         wpabuf_free(query);
4787
4788         return ret;
4789 }
4790
4791
4792 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4793                             size_t buflen)
4794 {
4795         u8 addr[ETH_ALEN];
4796         int dialog_token;
4797         int used;
4798         char *pos;
4799         size_t resp_len, start, requested_len;
4800
4801         if (!wpa_s->last_gas_resp)
4802                 return -1;
4803
4804         used = hwaddr_aton2(cmd, addr);
4805         if (used < 0)
4806                 return -1;
4807
4808         pos = cmd + used;
4809         while (*pos == ' ')
4810                 pos++;
4811         dialog_token = atoi(pos);
4812
4813         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4814             dialog_token != wpa_s->last_gas_dialog_token)
4815                 return -1;
4816
4817         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4818         start = 0;
4819         requested_len = resp_len;
4820
4821         pos = os_strchr(pos, ' ');
4822         if (pos) {
4823                 start = atoi(pos);
4824                 if (start > resp_len)
4825                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4826                 pos = os_strchr(pos, ',');
4827                 if (pos == NULL)
4828                         return -1;
4829                 pos++;
4830                 requested_len = atoi(pos);
4831                 if (start + requested_len > resp_len)
4832                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4833         }
4834
4835         if (requested_len * 2 + 1 > buflen)
4836                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4837
4838         return wpa_snprintf_hex(buf, buflen,
4839                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4840                                 requested_len);
4841 }
4842 #endif /* CONFIG_INTERWORKING */
4843
4844
4845 #ifdef CONFIG_HS20
4846
4847 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4848 {
4849         u8 dst_addr[ETH_ALEN];
4850         int used;
4851         char *pos;
4852         u32 subtypes = 0;
4853
4854         used = hwaddr_aton2(dst, dst_addr);
4855         if (used < 0)
4856                 return -1;
4857         pos = dst + used;
4858         for (;;) {
4859                 int num = atoi(pos);
4860                 if (num <= 0 || num > 31)
4861                         return -1;
4862                 subtypes |= BIT(num);
4863                 pos = os_strchr(pos + 1, ',');
4864                 if (pos == NULL)
4865                         break;
4866                 pos++;
4867         }
4868
4869         if (subtypes == 0)
4870                 return -1;
4871
4872         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4873 }
4874
4875
4876 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4877                                     const u8 *addr, const char *realm)
4878 {
4879         u8 *buf;
4880         size_t rlen, len;
4881         int ret;
4882
4883         rlen = os_strlen(realm);
4884         len = 3 + rlen;
4885         buf = os_malloc(len);
4886         if (buf == NULL)
4887                 return -1;
4888         buf[0] = 1; /* NAI Home Realm Count */
4889         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4890         buf[2] = rlen;
4891         os_memcpy(buf + 3, realm, rlen);
4892
4893         ret = hs20_anqp_send_req(wpa_s, addr,
4894                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4895                                  buf, len);
4896
4897         os_free(buf);
4898
4899         return ret;
4900 }
4901
4902
4903 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4904                                         char *dst)
4905 {
4906         struct wpa_cred *cred = wpa_s->conf->cred;
4907         u8 dst_addr[ETH_ALEN];
4908         int used;
4909         u8 *buf;
4910         size_t len;
4911         int ret;
4912
4913         used = hwaddr_aton2(dst, dst_addr);
4914         if (used < 0)
4915                 return -1;
4916
4917         while (dst[used] == ' ')
4918                 used++;
4919         if (os_strncmp(dst + used, "realm=", 6) == 0)
4920                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4921                                                 dst + used + 6);
4922
4923         len = os_strlen(dst + used);
4924
4925         if (len == 0 && cred && cred->realm)
4926                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4927
4928         if (len % 1)
4929                 return -1;
4930         len /= 2;
4931         buf = os_malloc(len);
4932         if (buf == NULL)
4933                 return -1;
4934         if (hexstr2bin(dst + used, buf, len) < 0) {
4935                 os_free(buf);
4936                 return -1;
4937         }
4938
4939         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4940                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4941                                  buf, len);
4942         os_free(buf);
4943
4944         return ret;
4945 }
4946
4947 #endif /* CONFIG_HS20 */
4948
4949
4950 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4951         struct wpa_supplicant *wpa_s, char *cmd)
4952 {
4953         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4954         return 0;
4955 }
4956
4957
4958 #ifdef CONFIG_AUTOSCAN
4959
4960 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4961                                               char *cmd)
4962 {
4963         enum wpa_states state = wpa_s->wpa_state;
4964         char *new_params = NULL;
4965
4966         if (os_strlen(cmd) > 0) {
4967                 new_params = os_strdup(cmd);
4968                 if (new_params == NULL)
4969                         return -1;
4970         }
4971
4972         os_free(wpa_s->conf->autoscan);
4973         wpa_s->conf->autoscan = new_params;
4974
4975         if (wpa_s->conf->autoscan == NULL)
4976                 autoscan_deinit(wpa_s);
4977         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4978                 autoscan_init(wpa_s, 1);
4979         else if (state == WPA_SCANNING)
4980                 wpa_supplicant_reinit_autoscan(wpa_s);
4981
4982         return 0;
4983 }
4984
4985 #endif /* CONFIG_AUTOSCAN */
4986
4987
4988 #ifdef CONFIG_WNM
4989
4990 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4991 {
4992         int enter;
4993         int intval = 0;
4994         char *pos;
4995         int ret;
4996         struct wpabuf *tfs_req = NULL;
4997
4998         if (os_strncmp(cmd, "enter", 5) == 0)
4999                 enter = 1;
5000         else if (os_strncmp(cmd, "exit", 4) == 0)
5001                 enter = 0;
5002         else
5003                 return -1;
5004
5005         pos = os_strstr(cmd, " interval=");
5006         if (pos)
5007                 intval = atoi(pos + 10);
5008
5009         pos = os_strstr(cmd, " tfs_req=");
5010         if (pos) {
5011                 char *end;
5012                 size_t len;
5013                 pos += 9;
5014                 end = os_strchr(pos, ' ');
5015                 if (end)
5016                         len = end - pos;
5017                 else
5018                         len = os_strlen(pos);
5019                 if (len & 1)
5020                         return -1;
5021                 len /= 2;
5022                 tfs_req = wpabuf_alloc(len);
5023                 if (tfs_req == NULL)
5024                         return -1;
5025                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
5026                         wpabuf_free(tfs_req);
5027                         return -1;
5028                 }
5029         }
5030
5031         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
5032                                            WNM_SLEEP_MODE_EXIT, intval,
5033                                            tfs_req);
5034         wpabuf_free(tfs_req);
5035
5036         return ret;
5037 }
5038
5039
5040 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5041 {
5042         int query_reason;
5043
5044         query_reason = atoi(cmd);
5045
5046         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5047                    query_reason);
5048
5049         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5050 }
5051
5052 #endif /* CONFIG_WNM */
5053
5054
5055 /* Get string representation of channel width */
5056 static const char * channel_width_name(enum chan_width width)
5057 {
5058         switch (width) {
5059         case CHAN_WIDTH_20_NOHT:
5060                 return "20 MHz (no HT)";
5061         case CHAN_WIDTH_20:
5062                 return "20 MHz";
5063         case CHAN_WIDTH_40:
5064                 return "40 MHz";
5065         case CHAN_WIDTH_80:
5066                 return "80 MHz";
5067         case CHAN_WIDTH_80P80:
5068                 return "80+80 MHz";
5069         case CHAN_WIDTH_160:
5070                 return "160 MHz";
5071         default:
5072                 return "unknown";
5073         }
5074 }
5075
5076
5077 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5078                                       size_t buflen)
5079 {
5080         struct wpa_signal_info si;
5081         int ret;
5082         char *pos, *end;
5083
5084         ret = wpa_drv_signal_poll(wpa_s, &si);
5085         if (ret)
5086                 return -1;
5087
5088         pos = buf;
5089         end = buf + buflen;
5090
5091         ret = os_snprintf(pos, end - pos, "RSSI=%d\nLINKSPEED=%d\n"
5092                           "NOISE=%d\nFREQUENCY=%u\n",
5093                           si.current_signal, si.current_txrate / 1000,
5094                           si.current_noise, si.frequency);
5095         if (ret < 0 || ret > end - pos)
5096                 return -1;
5097         pos += ret;
5098
5099         if (si.chanwidth != CHAN_WIDTH_UNKNOWN) {
5100                 ret = os_snprintf(pos, end - pos, "WIDTH=%s\n",
5101                                   channel_width_name(si.chanwidth));
5102                 if (ret < 0 || ret > end - pos)
5103                         return -1;
5104                 pos += ret;
5105         }
5106
5107         if (si.center_frq1 > 0 && si.center_frq2 > 0) {
5108                 ret = os_snprintf(pos, end - pos,
5109                                   "CENTER_FRQ1=%d\nCENTER_FRQ2=%d\n",
5110                                   si.center_frq1, si.center_frq2);
5111                 if (ret < 0 || ret > end - pos)
5112                         return -1;
5113                 pos += ret;
5114         }
5115
5116         if (si.avg_signal) {
5117                 ret = os_snprintf(pos, end - pos,
5118                                   "AVG_RSSI=%d\n", si.avg_signal);
5119                 if (ret < 0 || ret >= end - pos)
5120                         return -1;
5121                 pos += ret;
5122         }
5123
5124         return pos - buf;
5125 }
5126
5127
5128 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5129                                       size_t buflen)
5130 {
5131         struct hostap_sta_driver_data sta;
5132         int ret;
5133
5134         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5135         if (ret)
5136                 return -1;
5137
5138         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5139                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5140         if (ret < 0 || (size_t) ret > buflen)
5141                 return -1;
5142         return ret;
5143 }
5144
5145
5146 #ifdef ANDROID
5147 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5148                                      char *buf, size_t buflen)
5149 {
5150         int ret;
5151
5152         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5153         if (ret == 0) {
5154                 if (os_strncasecmp(cmd, "COUNTRY", 7) == 0) {
5155                         struct p2p_data *p2p = wpa_s->global->p2p;
5156                         if (p2p) {
5157                                 char country[3];
5158                                 country[0] = cmd[8];
5159                                 country[1] = cmd[9];
5160                                 country[2] = 0x04;
5161                                 p2p_set_country(p2p, country);
5162                         }
5163                 }
5164                 ret = sprintf(buf, "%s\n", "OK");
5165         }
5166         return ret;
5167 }
5168 #endif
5169
5170
5171 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5172 {
5173         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5174
5175 #ifdef CONFIG_P2P
5176         wpas_p2p_stop_find(wpa_s);
5177         p2p_ctrl_flush(wpa_s);
5178         wpas_p2p_group_remove(wpa_s, "*");
5179 #endif /* CONFIG_P2P */
5180
5181 #ifdef CONFIG_WPS_TESTING
5182         wps_version_number = 0x20;
5183         wps_testing_dummy_cred = 0;
5184 #endif /* CONFIG_WPS_TESTING */
5185 #ifdef CONFIG_WPS
5186         wpas_wps_cancel(wpa_s);
5187 #endif /* CONFIG_WPS */
5188
5189 #ifdef CONFIG_TDLS_TESTING
5190         extern unsigned int tdls_testing;
5191         tdls_testing = 0;
5192 #endif /* CONFIG_TDLS_TESTING */
5193 #ifdef CONFIG_TDLS
5194         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5195         wpa_tdls_enable(wpa_s->wpa, 1);
5196 #endif /* CONFIG_TDLS */
5197
5198         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5199         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5200
5201         wpa_s->no_keep_alive = 0;
5202
5203         os_free(wpa_s->disallow_aps_bssid);
5204         wpa_s->disallow_aps_bssid = NULL;
5205         wpa_s->disallow_aps_bssid_count = 0;
5206         os_free(wpa_s->disallow_aps_ssid);
5207         wpa_s->disallow_aps_ssid = NULL;
5208         wpa_s->disallow_aps_ssid_count = 0;
5209
5210         wpa_s->set_sta_uapsd = 0;
5211         wpa_s->sta_uapsd = 0;
5212
5213         wpa_drv_radio_disable(wpa_s, 0);
5214
5215         wpa_bss_flush(wpa_s);
5216         wpa_blacklist_clear(wpa_s);
5217         wpa_s->extra_blacklist_count = 0;
5218         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5219         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5220 }
5221
5222
5223 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5224                                          char *buf, size_t *resp_len)
5225 {
5226         char *reply;
5227         const int reply_size = 4096;
5228         int ctrl_rsp = 0;
5229         int reply_len;
5230
5231         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5232             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5233             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5234             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5235             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5236                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5237                                       (const u8 *) buf, os_strlen(buf));
5238         } else {
5239                 int level = MSG_DEBUG;
5240                 if (os_strcmp(buf, "PING") == 0)
5241                         level = MSG_EXCESSIVE;
5242                 wpa_hexdump_ascii(level, "RX ctrl_iface",
5243                                   (const u8 *) buf, os_strlen(buf));
5244                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5245         }
5246
5247         reply = os_malloc(reply_size);
5248         if (reply == NULL) {
5249                 *resp_len = 1;
5250                 return NULL;
5251         }
5252
5253         os_memcpy(reply, "OK\n", 3);
5254         reply_len = 3;
5255
5256         if (os_strcmp(buf, "PING") == 0) {
5257                 os_memcpy(reply, "PONG\n", 5);
5258                 reply_len = 5;
5259         } else if (os_strcmp(buf, "IFNAME") == 0) {
5260                 reply_len = os_strlen(wpa_s->ifname);
5261                 os_memcpy(reply, wpa_s->ifname, reply_len);
5262         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5263                 if (wpa_debug_reopen_file() < 0)
5264                         reply_len = -1;
5265         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5266                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5267         } else if (os_strcmp(buf, "MIB") == 0) {
5268                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5269                 if (reply_len >= 0) {
5270                         int res;
5271                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5272                                                reply_size - reply_len);
5273                         if (res < 0)
5274                                 reply_len = -1;
5275                         else
5276                                 reply_len += res;
5277                 }
5278         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5279                 reply_len = wpa_supplicant_ctrl_iface_status(
5280                         wpa_s, buf + 6, reply, reply_size);
5281         } else if (os_strcmp(buf, "PMKSA") == 0) {
5282                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5283                                                     reply_size);
5284         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5285                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5286                         reply_len = -1;
5287         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5288                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5289                                                           reply, reply_size);
5290         } else if (os_strcmp(buf, "LOGON") == 0) {
5291                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5292         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5293                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5294         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5295                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5296                         reply_len = -1;
5297                 else
5298                         wpas_request_connection(wpa_s);
5299         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5300                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5301                         reply_len = -1;
5302                 else if (wpa_s->disconnected)
5303                         wpas_request_connection(wpa_s);
5304 #ifdef IEEE8021X_EAPOL
5305         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5306                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5307                         reply_len = -1;
5308 #endif /* IEEE8021X_EAPOL */
5309 #ifdef CONFIG_PEERKEY
5310         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5311                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5312                         reply_len = -1;
5313 #endif /* CONFIG_PEERKEY */
5314 #ifdef CONFIG_IEEE80211R
5315         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5316                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5317                         reply_len = -1;
5318 #endif /* CONFIG_IEEE80211R */
5319 #ifdef CONFIG_WPS
5320         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5321                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5322                 if (res == -2) {
5323                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5324                         reply_len = 17;
5325                 } else if (res)
5326                         reply_len = -1;
5327         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5328                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5329                 if (res == -2) {
5330                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5331                         reply_len = 17;
5332                 } else if (res)
5333                         reply_len = -1;
5334         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5335                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5336                                                               reply,
5337                                                               reply_size);
5338         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5339                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5340                         wpa_s, buf + 14, reply, reply_size);
5341         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5342                 if (wpas_wps_cancel(wpa_s))
5343                         reply_len = -1;
5344 #ifdef CONFIG_WPS_NFC
5345         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5346                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5347                         reply_len = -1;
5348         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5349                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5350                         reply_len = -1;
5351         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5352                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5353                         wpa_s, buf + 21, reply, reply_size);
5354         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5355                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5356                         wpa_s, buf + 14, reply, reply_size);
5357         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5358                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5359                                                                buf + 17))
5360                         reply_len = -1;
5361         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5362                 reply_len = wpas_ctrl_nfc_get_handover_req(
5363                         wpa_s, buf + 21, reply, reply_size);
5364         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5365                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5366                         wpa_s, buf + 21, reply, reply_size);
5367         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5368                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5369                         wpa_s, buf + 20, reply, reply_size);
5370         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5371                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5372                         reply_len = -1;
5373         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5374                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5375                         reply_len = -1;
5376 #endif /* CONFIG_WPS_NFC */
5377         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5378                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5379                         reply_len = -1;
5380 #ifdef CONFIG_AP
5381         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5382                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5383                         wpa_s, buf + 11, reply, reply_size);
5384 #endif /* CONFIG_AP */
5385 #ifdef CONFIG_WPS_ER
5386         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5387                 if (wpas_wps_er_start(wpa_s, NULL))
5388                         reply_len = -1;
5389         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5390                 if (wpas_wps_er_start(wpa_s, buf + 13))
5391                         reply_len = -1;
5392         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5393                 if (wpas_wps_er_stop(wpa_s))
5394                         reply_len = -1;
5395         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5396                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5397                         reply_len = -1;
5398         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5399                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5400                 if (ret == -2) {
5401                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5402                         reply_len = 17;
5403                 } else if (ret == -3) {
5404                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5405                         reply_len = 18;
5406                 } else if (ret == -4) {
5407                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5408                         reply_len = 20;
5409                 } else if (ret)
5410                         reply_len = -1;
5411         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5412                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5413                         reply_len = -1;
5414         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5415                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5416                                                                 buf + 18))
5417                         reply_len = -1;
5418         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5419                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5420                         reply_len = -1;
5421 #ifdef CONFIG_WPS_NFC
5422         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5423                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5424                         wpa_s, buf + 24, reply, reply_size);
5425 #endif /* CONFIG_WPS_NFC */
5426 #endif /* CONFIG_WPS_ER */
5427 #endif /* CONFIG_WPS */
5428 #ifdef CONFIG_IBSS_RSN
5429         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5430                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5431                         reply_len = -1;
5432 #endif /* CONFIG_IBSS_RSN */
5433 #ifdef CONFIG_P2P
5434         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5435                 if (p2p_ctrl_find(wpa_s, buf + 9))
5436                         reply_len = -1;
5437         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5438                 if (p2p_ctrl_find(wpa_s, ""))
5439                         reply_len = -1;
5440         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5441                 wpas_p2p_stop_find(wpa_s);
5442         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5443                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5444                                              reply_size);
5445         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5446                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5447                         reply_len = -1;
5448         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5449                 if (p2p_ctrl_listen(wpa_s, ""))
5450                         reply_len = -1;
5451         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5452                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5453                         reply_len = -1;
5454         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5455                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5456                         reply_len = -1;
5457         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5458                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5459                         reply_len = -1;
5460         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5461                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5462                         reply_len = -1;
5463         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5464                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5465         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5466                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5467                                                    reply_size);
5468         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5469                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5470                         reply_len = -1;
5471         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5472                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5473                         reply_len = -1;
5474         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5475                 wpas_p2p_sd_service_update(wpa_s);
5476         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5477                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5478                         reply_len = -1;
5479         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5480                 wpas_p2p_service_flush(wpa_s);
5481         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5482                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5483                         reply_len = -1;
5484         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5485                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5486                         reply_len = -1;
5487         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5488                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5489                         reply_len = -1;
5490         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5491                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5492                         reply_len = -1;
5493         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5494                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5495                                               reply_size);
5496         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5497                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5498                         reply_len = -1;
5499         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5500                 p2p_ctrl_flush(wpa_s);
5501         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5502                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5503                         reply_len = -1;
5504         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5505                 if (wpas_p2p_cancel(wpa_s))
5506                         reply_len = -1;
5507         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5508                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5509                         reply_len = -1;
5510         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5511                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5512                         reply_len = -1;
5513         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5514                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5515                         reply_len = -1;
5516         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5517                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5518                         reply_len = -1;
5519         } else if (os_strncmp(buf, "P2P_REMOVE_CLIENT ", 18) == 0) {
5520                 if (p2p_ctrl_remove_client(wpa_s, buf + 18) < 0)
5521                         reply_len = -1;
5522 #endif /* CONFIG_P2P */
5523 #ifdef CONFIG_WIFI_DISPLAY
5524         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5525                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5526                         reply_len = -1;
5527         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5528                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5529                                                      reply, reply_size);
5530 #endif /* CONFIG_WIFI_DISPLAY */
5531 #ifdef CONFIG_INTERWORKING
5532         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5533                 if (interworking_fetch_anqp(wpa_s) < 0)
5534                         reply_len = -1;
5535         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5536                 interworking_stop_fetch_anqp(wpa_s);
5537         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5538                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5539                                         NULL) < 0)
5540                         reply_len = -1;
5541         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5542                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5543                         reply_len = -1;
5544         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5545                 if (get_anqp(wpa_s, buf + 9) < 0)
5546                         reply_len = -1;
5547         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5548                 if (gas_request(wpa_s, buf + 12) < 0)
5549                         reply_len = -1;
5550         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5551                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5552                                              reply_size);
5553 #endif /* CONFIG_INTERWORKING */
5554 #ifdef CONFIG_HS20
5555         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5556                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5557                         reply_len = -1;
5558         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5559                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5560                         reply_len = -1;
5561 #endif /* CONFIG_HS20 */
5562         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5563         {
5564                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5565                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5566                         reply_len = -1;
5567                 else
5568                         ctrl_rsp = 1;
5569         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5570                 if (wpa_supplicant_reload_configuration(wpa_s))
5571                         reply_len = -1;
5572         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5573                 wpa_supplicant_terminate_proc(wpa_s->global);
5574         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5575                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5576                         reply_len = -1;
5577         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5578                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5579                         wpa_s, buf + 9, reply, reply_size);
5580         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5581                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5582                         wpa_s, buf + 9, reply, reply_size);
5583         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5584                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5585                         wpa_s, reply, reply_size);
5586         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5587 #ifdef CONFIG_SME
5588                 wpa_s->sme.prev_bssid_set = 0;
5589 #endif /* CONFIG_SME */
5590                 wpa_s->reassociate = 0;
5591                 wpa_s->disconnected = 1;
5592                 wpa_supplicant_cancel_sched_scan(wpa_s);
5593                 wpa_supplicant_cancel_scan(wpa_s);
5594                 wpa_supplicant_deauthenticate(wpa_s,
5595                                               WLAN_REASON_DEAUTH_LEAVING);
5596         } else if (os_strcmp(buf, "SCAN") == 0 ||
5597                    os_strncmp(buf, "SCAN ", 5) == 0) {
5598                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5599                         reply_len = -1;
5600                 else {
5601                         if (os_strlen(buf) > 4 &&
5602                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5603                                 wpa_s->scan_res_handler = scan_only_handler;
5604                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5605                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5606                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5607                                 wpa_s->normal_scans = 0;
5608                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5609                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5610                         } else if (wpa_s->sched_scanning) {
5611                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5612                                            "sched_scan to allow requested "
5613                                            "full scan to proceed");
5614                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5615                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5616                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5617                         } else {
5618                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5619                                            "reject new request");
5620                                 reply_len = os_snprintf(reply, reply_size,
5621                                                         "FAIL-BUSY\n");
5622                         }
5623                 }
5624         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5625                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5626                         wpa_s, reply, reply_size);
5627         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5628                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5629                         reply_len = -1;
5630         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5631                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5632                         reply_len = -1;
5633         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5634                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5635                         reply_len = -1;
5636         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5637                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5638                         wpa_s, reply, reply_size);
5639         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5640                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5641                         reply_len = -1;
5642         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5643                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5644                         reply_len = -1;
5645         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5646                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5647                         wpa_s, buf + 12, reply, reply_size);
5648         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5649                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5650                         wpa_s, reply, reply_size);
5651         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5652                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5653                         wpa_s, reply, reply_size);
5654         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5655                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5656                         reply_len = -1;
5657         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5658                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5659                         reply_len = -1;
5660 #ifndef CONFIG_NO_CONFIG_WRITE
5661         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5662                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5663                         reply_len = -1;
5664 #endif /* CONFIG_NO_CONFIG_WRITE */
5665         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5666                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5667                         wpa_s, buf + 15, reply, reply_size);
5668         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5669                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5670                         reply_len = -1;
5671         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5672                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5673                         reply_len = -1;
5674         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5675                 reply_len = wpa_supplicant_global_iface_list(
5676                         wpa_s->global, reply, reply_size);
5677         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5678                 reply_len = wpa_supplicant_global_iface_interfaces(
5679                         wpa_s->global, reply, reply_size);
5680         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5681                 reply_len = wpa_supplicant_ctrl_iface_bss(
5682                         wpa_s, buf + 4, reply, reply_size);
5683 #ifdef CONFIG_AP
5684         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5685                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5686         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5687                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5688                                               reply_size);
5689         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5690                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5691                                                    reply_size);
5692         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5693                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5694                         reply_len = -1;
5695         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5696                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5697                         reply_len = -1;
5698 #endif /* CONFIG_AP */
5699         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5700                 wpas_notify_suspend(wpa_s->global);
5701         } else if (os_strcmp(buf, "RESUME") == 0) {
5702                 wpas_notify_resume(wpa_s->global);
5703         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5704                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5705         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5706                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5707                         reply_len = -1;
5708         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5709                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5710                         reply_len = -1;
5711         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5712                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5713                         reply_len = -1;
5714         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5715                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5716                                                                buf + 17))
5717                         reply_len = -1;
5718         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5719                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5720                         reply_len = -1;
5721 #ifdef CONFIG_TDLS
5722         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5723                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5724                         reply_len = -1;
5725         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5726                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5727                         reply_len = -1;
5728         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5729                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5730                         reply_len = -1;
5731 #endif /* CONFIG_TDLS */
5732         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5733                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5734                                                        reply_size);
5735         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5736                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5737                                                        reply_size);
5738 #ifdef CONFIG_AUTOSCAN
5739         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5740                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5741                         reply_len = -1;
5742 #endif /* CONFIG_AUTOSCAN */
5743 #ifdef ANDROID
5744         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
5745                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
5746                                                       reply_size);
5747 #endif
5748         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5749                 pmksa_cache_clear_current(wpa_s->wpa);
5750                 eapol_sm_request_reauth(wpa_s->eapol);
5751 #ifdef CONFIG_WNM
5752         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5753                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5754                         reply_len = -1;
5755         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
5756                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
5757                                 reply_len = -1;
5758 #endif /* CONFIG_WNM */
5759         } else if (os_strcmp(buf, "FLUSH") == 0) {
5760                 wpa_supplicant_ctrl_iface_flush(wpa_s);
5761         } else {
5762                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5763                 reply_len = 16;
5764         }
5765
5766         if (reply_len < 0) {
5767                 os_memcpy(reply, "FAIL\n", 5);
5768                 reply_len = 5;
5769         }
5770
5771         if (ctrl_rsp)
5772                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5773
5774         *resp_len = reply_len;
5775         return reply;
5776 }
5777
5778
5779 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5780                                            char *cmd)
5781 {
5782         struct wpa_interface iface;
5783         char *pos;
5784
5785         /*
5786          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5787          * TAB<bridge_ifname>
5788          */
5789         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5790
5791         os_memset(&iface, 0, sizeof(iface));
5792
5793         do {
5794                 iface.ifname = pos = cmd;
5795                 pos = os_strchr(pos, '\t');
5796                 if (pos)
5797                         *pos++ = '\0';
5798                 if (iface.ifname[0] == '\0')
5799                         return -1;
5800                 if (pos == NULL)
5801                         break;
5802
5803                 iface.confname = pos;
5804                 pos = os_strchr(pos, '\t');
5805                 if (pos)
5806                         *pos++ = '\0';
5807                 if (iface.confname[0] == '\0')
5808                         iface.confname = NULL;
5809                 if (pos == NULL)
5810                         break;
5811
5812                 iface.driver = pos;
5813                 pos = os_strchr(pos, '\t');
5814                 if (pos)
5815                         *pos++ = '\0';
5816                 if (iface.driver[0] == '\0')
5817                         iface.driver = NULL;
5818                 if (pos == NULL)
5819                         break;
5820
5821                 iface.ctrl_interface = pos;
5822                 pos = os_strchr(pos, '\t');
5823                 if (pos)
5824                         *pos++ = '\0';
5825                 if (iface.ctrl_interface[0] == '\0')
5826                         iface.ctrl_interface = NULL;
5827                 if (pos == NULL)
5828                         break;
5829
5830                 iface.driver_param = pos;
5831                 pos = os_strchr(pos, '\t');
5832                 if (pos)
5833                         *pos++ = '\0';
5834                 if (iface.driver_param[0] == '\0')
5835                         iface.driver_param = NULL;
5836                 if (pos == NULL)
5837                         break;
5838
5839                 iface.bridge_ifname = pos;
5840                 pos = os_strchr(pos, '\t');
5841                 if (pos)
5842                         *pos++ = '\0';
5843                 if (iface.bridge_ifname[0] == '\0')
5844                         iface.bridge_ifname = NULL;
5845                 if (pos == NULL)
5846                         break;
5847         } while (0);
5848
5849         if (wpa_supplicant_get_iface(global, iface.ifname))
5850                 return -1;
5851
5852         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5853 }
5854
5855
5856 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5857                                               char *cmd)
5858 {
5859         struct wpa_supplicant *wpa_s;
5860
5861         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5862
5863         wpa_s = wpa_supplicant_get_iface(global, cmd);
5864         if (wpa_s == NULL)
5865                 return -1;
5866         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5867 }
5868
5869
5870 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5871 {
5872         struct wpa_interface_info *prev;
5873
5874         while (iface) {
5875                 prev = iface;
5876                 iface = iface->next;
5877
5878                 os_free(prev->ifname);
5879                 os_free(prev->desc);
5880                 os_free(prev);
5881         }
5882 }
5883
5884
5885 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5886                                             char *buf, int len)
5887 {
5888         int i, res;
5889         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5890         char *pos, *end;
5891
5892         for (i = 0; wpa_drivers[i]; i++) {
5893                 struct wpa_driver_ops *drv = wpa_drivers[i];
5894                 if (drv->get_interfaces == NULL)
5895                         continue;
5896                 tmp = drv->get_interfaces(global->drv_priv[i]);
5897                 if (tmp == NULL)
5898                         continue;
5899
5900                 if (last == NULL)
5901                         iface = last = tmp;
5902                 else
5903                         last->next = tmp;
5904                 while (last->next)
5905                         last = last->next;
5906         }
5907
5908         pos = buf;
5909         end = buf + len;
5910         for (tmp = iface; tmp; tmp = tmp->next) {
5911                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5912                                   tmp->drv_name, tmp->ifname,
5913                                   tmp->desc ? tmp->desc : "");
5914                 if (res < 0 || res >= end - pos) {
5915                         *pos = '\0';
5916                         break;
5917                 }
5918                 pos += res;
5919         }
5920
5921         wpa_free_iface_info(iface);
5922
5923         return pos - buf;
5924 }
5925
5926
5927 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5928                                                   char *buf, int len)
5929 {
5930         int res;
5931         char *pos, *end;
5932         struct wpa_supplicant *wpa_s;
5933
5934         wpa_s = global->ifaces;
5935         pos = buf;
5936         end = buf + len;
5937
5938         while (wpa_s) {
5939                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5940                 if (res < 0 || res >= end - pos) {
5941                         *pos = '\0';
5942                         break;
5943                 }
5944                 pos += res;
5945                 wpa_s = wpa_s->next;
5946         }
5947         return pos - buf;
5948 }
5949
5950
5951 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
5952                                             const char *ifname,
5953                                             char *cmd, size_t *resp_len)
5954 {
5955         struct wpa_supplicant *wpa_s;
5956
5957         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5958                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
5959                         break;
5960         }
5961
5962         if (wpa_s == NULL) {
5963                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
5964                 if (resp)
5965                         *resp_len = os_strlen(resp);
5966                 else
5967                         *resp_len = 1;
5968                 return resp;
5969         }
5970
5971         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
5972 }
5973
5974
5975 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
5976                                                char *buf, size_t *resp_len)
5977 {
5978 #ifdef CONFIG_P2P
5979         static const char * cmd[] = {
5980 #ifdef ANDROID_P2P
5981                 "LIST_NETWORKS",
5982                 "SAVE_CONFIG",
5983 #endif
5984                 "P2P_FIND",
5985                 "P2P_STOP_FIND",
5986                 "P2P_LISTEN",
5987                 "P2P_GROUP_ADD",
5988                 "P2P_GET_PASSPHRASE",
5989                 "P2P_SERVICE_UPDATE",
5990                 "P2P_SERVICE_FLUSH",
5991                 "P2P_FLUSH",
5992                 "P2P_CANCEL",
5993                 "P2P_PRESENCE_REQ",
5994                 "P2P_EXT_LISTEN",
5995                 NULL
5996         };
5997         static const char * prefix[] = {
5998 #ifdef ANDROID_P2P
5999                 "DRIVER ",
6000                 "GET_NETWORK ",
6001                 "REMOVE_NETWORK ",
6002                 "SET ",
6003 #endif
6004                 "P2P_FIND ",
6005                 "P2P_CONNECT ",
6006                 "P2P_LISTEN ",
6007                 "P2P_GROUP_REMOVE ",
6008                 "P2P_GROUP_ADD ",
6009                 "P2P_PROV_DISC ",
6010                 "P2P_SERV_DISC_REQ ",
6011                 "P2P_SERV_DISC_CANCEL_REQ ",
6012                 "P2P_SERV_DISC_RESP ",
6013                 "P2P_SERV_DISC_EXTERNAL ",
6014                 "P2P_SERVICE_ADD ",
6015                 "P2P_SERVICE_DEL ",
6016                 "P2P_REJECT ",
6017                 "P2P_INVITE ",
6018                 "P2P_PEER ",
6019                 "P2P_SET ",
6020                 "P2P_UNAUTHORIZE ",
6021                 "P2P_PRESENCE_REQ ",
6022                 "P2P_EXT_LISTEN ",
6023                 "P2P_REMOVE_CLIENT ",
6024                 NULL
6025         };
6026         int found = 0;
6027         int i;
6028
6029         if (global->p2p_init_wpa_s == NULL)
6030                 return NULL;
6031
6032         for (i = 0; !found && cmd[i]; i++) {
6033                 if (os_strcmp(buf, cmd[i]) == 0)
6034                         found = 1;
6035         }
6036
6037         for (i = 0; !found && prefix[i]; i++) {
6038                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
6039                         found = 1;
6040         }
6041
6042         if (found)
6043                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6044                                                          buf, resp_len);
6045 #endif /* CONFIG_P2P */
6046         return NULL;
6047 }
6048
6049
6050 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
6051                                                char *buf, size_t *resp_len)
6052 {
6053 #ifdef CONFIG_WIFI_DISPLAY
6054         if (global->p2p_init_wpa_s == NULL)
6055                 return NULL;
6056         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
6057             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
6058                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
6059                                                          buf, resp_len);
6060 #endif /* CONFIG_WIFI_DISPLAY */
6061         return NULL;
6062 }
6063
6064
6065 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
6066                                            char *buf, size_t *resp_len)
6067 {
6068         char *ret;
6069
6070         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
6071         if (ret)
6072                 return ret;
6073
6074         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
6075         if (ret)
6076                 return ret;
6077
6078         return NULL;
6079 }
6080
6081
6082 static int wpas_global_ctrl_iface_set(struct wpa_global *global, char *cmd)
6083 {
6084         char *value;
6085
6086         value = os_strchr(cmd, ' ');
6087         if (value == NULL)
6088                 return -1;
6089         *value++ = '\0';
6090
6091         wpa_printf(MSG_DEBUG, "GLOBAL_CTRL_IFACE SET '%s'='%s'", cmd, value);
6092
6093 #ifdef CONFIG_WIFI_DISPLAY
6094         if (os_strcasecmp(cmd, "wifi_display") == 0) {
6095                 wifi_display_enable(global, !!atoi(value));
6096                 return 0;
6097         }
6098 #endif /* CONFIG_WIFI_DISPLAY */
6099
6100         return -1;
6101 }
6102
6103
6104 #ifndef CONFIG_NO_CONFIG_WRITE
6105 static int wpas_global_ctrl_iface_save_config(struct wpa_global *global)
6106 {
6107         int ret = 0;
6108         struct wpa_supplicant *wpa_s;
6109
6110         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6111                 if (!wpa_s->conf->update_config) {
6112                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed to update configuration (update_config=0)");
6113                         continue;
6114                 }
6115
6116                 if (wpa_config_write(wpa_s->confname, wpa_s->conf)) {
6117                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to update configuration");
6118                         ret = 1;
6119                 } else {
6120                         wpa_dbg(wpa_s, MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration updated");
6121                 }
6122         }
6123
6124         return ret;
6125 }
6126 #endif /* CONFIG_NO_CONFIG_WRITE */
6127
6128
6129 static int wpas_global_ctrl_iface_status(struct wpa_global *global,
6130                                          char *buf, size_t buflen)
6131 {
6132         char *pos, *end;
6133         int ret;
6134         struct wpa_supplicant *wpa_s;
6135
6136         pos = buf;
6137         end = buf + buflen;
6138
6139 #ifdef CONFIG_P2P
6140         if (global->p2p && !global->p2p_disabled) {
6141                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
6142                                   "\n"
6143                                   "p2p_state=%s\n",
6144                                   MAC2STR(global->p2p_dev_addr),
6145                                   p2p_get_state_txt(global->p2p));
6146                 if (ret < 0 || ret >= end - pos)
6147                         return pos - buf;
6148                 pos += ret;
6149         } else if (global->p2p) {
6150                 ret = os_snprintf(pos, end - pos, "p2p_state=DISABLED\n");
6151                 if (ret < 0 || ret >= end - pos)
6152                         return pos - buf;
6153                 pos += ret;
6154         }
6155 #endif /* CONFIG_P2P */
6156
6157 #ifdef CONFIG_WIFI_DISPLAY
6158         ret = os_snprintf(pos, end - pos, "wifi_display=%d\n",
6159                           !!global->wifi_display);
6160         if (ret < 0 || ret >= end - pos)
6161                 return pos - buf;
6162         pos += ret;
6163 #endif /* CONFIG_WIFI_DISPLAY */
6164
6165         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
6166                 ret = os_snprintf(pos, end - pos, "ifname=%s\n"
6167                                   "address=" MACSTR "\n",
6168                                   wpa_s->ifname, MAC2STR(wpa_s->own_addr));
6169                 if (ret < 0 || ret >= end - pos)
6170                         return pos - buf;
6171                 pos += ret;
6172         }
6173
6174         return pos - buf;
6175 }
6176
6177
6178 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
6179                                                 char *buf, size_t *resp_len)
6180 {
6181         char *reply;
6182         const int reply_size = 2048;
6183         int reply_len;
6184         int level = MSG_DEBUG;
6185
6186         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
6187                 char *pos = os_strchr(buf + 7, ' ');
6188                 if (pos) {
6189                         *pos++ = '\0';
6190                         return wpas_global_ctrl_iface_ifname(global,
6191                                                              buf + 7, pos,
6192                                                              resp_len);
6193                 }
6194         }
6195
6196         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
6197         if (reply)
6198                 return reply;
6199
6200         if (os_strcmp(buf, "PING") == 0)
6201                 level = MSG_EXCESSIVE;
6202         wpa_hexdump_ascii(level, "RX global ctrl_iface",
6203                           (const u8 *) buf, os_strlen(buf));
6204
6205         reply = os_malloc(reply_size);
6206         if (reply == NULL) {
6207                 *resp_len = 1;
6208                 return NULL;
6209         }
6210
6211         os_memcpy(reply, "OK\n", 3);
6212         reply_len = 3;
6213
6214         if (os_strcmp(buf, "PING") == 0) {
6215                 os_memcpy(reply, "PONG\n", 5);
6216                 reply_len = 5;
6217         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6218                 if (wpa_supplicant_global_iface_add(global, buf + 14))
6219                         reply_len = -1;
6220         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6221                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
6222                         reply_len = -1;
6223         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6224                 reply_len = wpa_supplicant_global_iface_list(
6225                         global, reply, reply_size);
6226         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6227                 reply_len = wpa_supplicant_global_iface_interfaces(
6228                         global, reply, reply_size);
6229         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6230                 wpa_supplicant_terminate_proc(global);
6231         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6232                 wpas_notify_suspend(global);
6233         } else if (os_strcmp(buf, "RESUME") == 0) {
6234                 wpas_notify_resume(global);
6235         } else if (os_strncmp(buf, "SET ", 4) == 0) {
6236                 if (wpas_global_ctrl_iface_set(global, buf + 4))
6237                         reply_len = -1;
6238 #ifndef CONFIG_NO_CONFIG_WRITE
6239         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
6240                 if (wpas_global_ctrl_iface_save_config(global))
6241                         reply_len = -1;
6242 #endif /* CONFIG_NO_CONFIG_WRITE */
6243         } else if (os_strcmp(buf, "STATUS") == 0) {
6244                 reply_len = wpas_global_ctrl_iface_status(global, reply,
6245                                                           reply_size);
6246         } else {
6247                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6248                 reply_len = 16;
6249         }
6250
6251         if (reply_len < 0) {
6252                 os_memcpy(reply, "FAIL\n", 5);
6253                 reply_len = 5;
6254         }
6255
6256         *resp_len = reply_len;
6257         return reply;
6258 }