wpa_supplicant/ctrl_iface.c

   1 /*
   2  * WPA Supplicant / Control interface (shared code for all backends)
   3  * Copyright (c) 2004-2012, Jouni Malinen <j@w1.fi>
   4  *
   5  * This software may be distributed under the terms of the BSD license.
   6  * See README for more details.
   7  */
   8
   9 #include "utils/includes.h"
  10
  11 #include "utils/common.h"
  12 #include "utils/eloop.h"
  13 #include "common/version.h"
  14 #include "common/ieee802_11_defs.h"
  15 #include "common/ieee802_11_common.h"
  16 #include "common/wpa_ctrl.h"
  17 #include "eap_peer/eap.h"
  18 #include "eapol_supp/eapol_supp_sm.h"
  19 #include "rsn_supp/wpa.h"
  20 #include "rsn_supp/preauth.h"
  21 #include "rsn_supp/pmksa_cache.h"
  22 #include "l2_packet/l2_packet.h"
  23 #include "wps/wps.h"
  24 #include "config.h"
  25 #include "wpa_supplicant_i.h"
  26 #include "driver_i.h"
  27 #include "wps_supplicant.h"
  28 #include "ibss_rsn.h"
  29 #include "ap.h"
  30 #include "p2p_supplicant.h"
  31 #include "p2p/p2p.h"
  32 #include "hs20_supplicant.h"
  33 #include "wifi_display.h"
  34 #include "notify.h"
  35 #include "bss.h"
  36 #include "scan.h"
  37 #include "ctrl_iface.h"
  38 #include "interworking.h"
  39 #include "blacklist.h"
  40 #include "autoscan.h"
  41 #include "wnm_sta.h"
  42
  43 extern struct wpa_driver_ops *wpa_drivers[];
  44
  45 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
  46                                             char *buf, int len);
  47 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
  48                                                   char *buf, int len);
  49
  50
  51 static int pno_start(struct wpa_supplicant *wpa_s)
  52 {
  53         int ret;
  54         size_t i, num_ssid;
  55         struct wpa_ssid *ssid;
  56         struct wpa_driver_scan_params params;
  57
  58         if (wpa_s->pno)
  59                 return 0;
  60
  61         if (wpa_s->wpa_state == WPA_SCANNING) {
  62                 wpa_supplicant_cancel_sched_scan(wpa_s);
  63                 wpa_supplicant_cancel_scan(wpa_s);
  64         }
  65
  66         os_memset(&params, 0, sizeof(params));
  67
  68         num_ssid = 0;
  69         ssid = wpa_s->conf->ssid;
  70         while (ssid) {
  71                 if (!wpas_network_disabled(wpa_s, ssid))
  72                         num_ssid++;
  73                 ssid = ssid->next;
  74         }
  75         if (num_ssid > WPAS_MAX_SCAN_SSIDS) {
  76                 wpa_printf(MSG_DEBUG, "PNO: Use only the first %u SSIDs from "
  77                            "%u", WPAS_MAX_SCAN_SSIDS, (unsigned int) num_ssid);
  78                 num_ssid = WPAS_MAX_SCAN_SSIDS;
  79         }
  80
  81         if (num_ssid == 0) {
  82                 wpa_printf(MSG_DEBUG, "PNO: No configured SSIDs");
  83                 return -1;
  84         }
  85
  86         params.filter_ssids = os_malloc(sizeof(struct wpa_driver_scan_filter) *
  87                                         num_ssid);
  88         if (params.filter_ssids == NULL)
  89                 return -1;
  90         i = 0;
  91         ssid = wpa_s->conf->ssid;
  92         while (ssid) {
  93                 if (!wpas_network_disabled(wpa_s, ssid)) {
  94                         params.ssids[i].ssid = ssid->ssid;
  95                         params.ssids[i].ssid_len = ssid->ssid_len;
  96                         params.num_ssids++;
  97                         os_memcpy(params.filter_ssids[i].ssid, ssid->ssid,
  98                                   ssid->ssid_len);
  99                         params.filter_ssids[i].ssid_len = ssid->ssid_len;
 100                         params.num_filter_ssids++;
 101                         i++;
 102                         if (i == num_ssid)
 103                                 break;
 104                 }
 105                 ssid = ssid->next;
 106         }
 107
 108         if (wpa_s->conf->filter_rssi)
 109                 params.filter_rssi = wpa_s->conf->filter_rssi;
 110
 111         ret = wpa_drv_sched_scan(wpa_s, &params, 10 * 1000);
 112         os_free(params.filter_ssids);
 113         if (ret == 0)
 114                 wpa_s->pno = 1;
 115         return ret;
 116 }
 117
 118
 119 static int pno_stop(struct wpa_supplicant *wpa_s)
 120 {
 121         int ret = 0;
 122
 123         if (wpa_s->pno) {
 124                 wpa_s->pno = 0;
 125                 ret = wpa_drv_stop_sched_scan(wpa_s);
 126         }
 127
 128         if (wpa_s->wpa_state == WPA_SCANNING)
 129                 wpa_supplicant_req_scan(wpa_s, 0, 0);
 130
 131         return ret;
 132 }
 133
 134
 135 static int set_bssid_filter(struct wpa_supplicant *wpa_s, char *val)
 136 {
 137         char *pos;
 138         u8 addr[ETH_ALEN], *filter = NULL, *n;
 139         size_t count = 0;
 140
 141         pos = val;
 142         while (pos) {
 143                 if (*pos == '\0')
 144                         break;
 145                 if (hwaddr_aton(pos, addr)) {
 146                         os_free(filter);
 147                         return -1;
 148                 }
 149                 n = os_realloc_array(filter, count + 1, ETH_ALEN);
 150                 if (n == NULL) {
 151                         os_free(filter);
 152                         return -1;
 153                 }
 154                 filter = n;
 155                 os_memcpy(filter + count * ETH_ALEN, addr, ETH_ALEN);
 156                 count++;
 157
 158                 pos = os_strchr(pos, ' ');
 159                 if (pos)
 160                         pos++;
 161         }
 162
 163         wpa_hexdump(MSG_DEBUG, "bssid_filter", filter, count * ETH_ALEN);
 164         os_free(wpa_s->bssid_filter);
 165         wpa_s->bssid_filter = filter;
 166         wpa_s->bssid_filter_count = count;
 167
 168         return 0;
 169 }
 170
 171
 172 static int set_disallow_aps(struct wpa_supplicant *wpa_s, char *val)
 173 {
 174         char *pos;
 175         u8 addr[ETH_ALEN], *bssid = NULL, *n;
 176         struct wpa_ssid_value *ssid = NULL, *ns;
 177         size_t count = 0, ssid_count = 0;
 178         struct wpa_ssid *c;
 179
 180         /*
 181          * disallow_list ::= <ssid_spec> | <bssid_spec> | <disallow_list> | \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
 581         if (hwaddr_aton(addr, peer)) {
 582                 wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN: invalid "
 583                            "address '%s'", addr);
 584                 return -1;
 585         }
 586
 587         wpa_printf(MSG_DEBUG, "CTRL_IFACE TDLS_TEARDOWN " MACSTR,
 588                    MAC2STR(peer));
 589
 590         return wpa_tdls_teardown_link(wpa_s->wpa, peer,
 591                                       WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED);
 592 }
 593
 594 #endif /* CONFIG_TDLS */
 595
 596
 597 #ifdef CONFIG_IEEE80211R
 598 static int wpa_supplicant_ctrl_iface_ft_ds(
 599         struct wpa_supplicant *wpa_s, char *addr)
 600 {
 601         u8 target_ap[ETH_ALEN];
 602         struct wpa_bss *bss;
 603         const u8 *mdie;
 604
 605         if (hwaddr_aton(addr, target_ap)) {
 606                 wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS: invalid "
 607                            "address '%s'", addr);
 608                 return -1;
 609         }
 610
 611         wpa_printf(MSG_DEBUG, "CTRL_IFACE FT_DS " MACSTR, MAC2STR(target_ap));
 612
 613         bss = wpa_bss_get_bssid(wpa_s, target_ap);
 614         if (bss)
 615                 mdie = wpa_bss_get_ie(bss, WLAN_EID_MOBILITY_DOMAIN);
 616         else
 617                 mdie = NULL;
 618
 619         return wpa_ft_start_over_ds(wpa_s->wpa, target_ap, mdie);
 620 }
 621 #endif /* CONFIG_IEEE80211R */
 622
 623
 624 #ifdef CONFIG_WPS
 625 static int wpa_supplicant_ctrl_iface_wps_pbc(struct wpa_supplicant *wpa_s,
 626                                              char *cmd)
 627 {
 628         u8 bssid[ETH_ALEN], *_bssid = bssid;
 629 #ifdef CONFIG_P2P
 630         u8 p2p_dev_addr[ETH_ALEN];
 631 #endif /* CONFIG_P2P */
 632 #ifdef CONFIG_AP
 633         u8 *_p2p_dev_addr = NULL;
 634 #endif /* CONFIG_AP */
 635
 636         if (cmd == NULL || os_strcmp(cmd, "any") == 0 || cmd[0] == '\0') {
 637                 _bssid = NULL;
 638 #ifdef CONFIG_P2P
 639         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
 640                 if (hwaddr_aton(cmd + 13, p2p_dev_addr)) {
 641                         wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid "
 642                                    "P2P Device Address '%s'",
 643                                    cmd + 13);
 644                         return -1;
 645                 }
 646                 _p2p_dev_addr = p2p_dev_addr;
 647 #endif /* CONFIG_P2P */
 648         } else if (hwaddr_aton(cmd, bssid)) {
 649                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PBC: invalid BSSID '%s'",
 650                            cmd);
 651                 return -1;
 652         }
 653
 654 #ifdef CONFIG_AP
 655         if (wpa_s->ap_iface)
 656                 return wpa_supplicant_ap_wps_pbc(wpa_s, _bssid, _p2p_dev_addr);
 657 #endif /* CONFIG_AP */
 658
 659         return wpas_wps_start_pbc(wpa_s, _bssid, 0);
 660 }
 661
 662
 663 static int wpa_supplicant_ctrl_iface_wps_pin(struct wpa_supplicant *wpa_s,
 664                                              char *cmd, char *buf,
 665                                              size_t buflen)
 666 {
 667         u8 bssid[ETH_ALEN], *_bssid = bssid;
 668         char *pin;
 669         int ret;
 670
 671         pin = os_strchr(cmd, ' ');
 672         if (pin)
 673                 *pin++ = '\0';
 674
 675         if (os_strcmp(cmd, "any") == 0)
 676                 _bssid = NULL;
 677         else if (os_strcmp(cmd, "get") == 0) {
 678                 ret = wps_generate_pin();
 679                 goto done;
 680         } else if (hwaddr_aton(cmd, bssid)) {
 681                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_PIN: invalid BSSID '%s'",
 682                            cmd);
 683                 return -1;
 684         }
 685
 686 #ifdef CONFIG_AP
 687         if (wpa_s->ap_iface) {
 688                 int timeout = 0;
 689                 char *pos;
 690
 691                 if (pin) {
 692                         pos = os_strchr(pin, ' ');
 693                         if (pos) {
 694                                 *pos++ = '\0';
 695                                 timeout = atoi(pos);
 696                         }
 697                 }
 698
 699                 return wpa_supplicant_ap_wps_pin(wpa_s, _bssid, pin,
 700                                                  buf, buflen, timeout);
 701         }
 702 #endif /* CONFIG_AP */
 703
 704         if (pin) {
 705                 ret = wpas_wps_start_pin(wpa_s, _bssid, pin, 0,
 706                                          DEV_PW_DEFAULT);
 707                 if (ret < 0)
 708                         return -1;
 709                 ret = os_snprintf(buf, buflen, "%s", pin);
 710                 if (ret < 0 || (size_t) ret >= buflen)
 711                         return -1;
 712                 return ret;
 713         }
 714
 715         ret = wpas_wps_start_pin(wpa_s, _bssid, NULL, 0, DEV_PW_DEFAULT);
 716         if (ret < 0)
 717                 return -1;
 718
 719 done:
 720         /* Return the generated PIN */
 721         ret = os_snprintf(buf, buflen, "%08d", ret);
 722         if (ret < 0 || (size_t) ret >= buflen)
 723                 return -1;
 724         return ret;
 725 }
 726
 727
 728 static int wpa_supplicant_ctrl_iface_wps_check_pin(
 729         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
 730 {
 731         char pin[9];
 732         size_t len;
 733         char *pos;
 734         int ret;
 735
 736         wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
 737                               (u8 *) cmd, os_strlen(cmd));
 738         for (pos = cmd, len = 0; *pos != '\0'; pos++) {
 739                 if (*pos < '0' || *pos > '9')
 740                         continue;
 741                 pin[len++] = *pos;
 742                 if (len == 9) {
 743                         wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
 744                         return -1;
 745                 }
 746         }
 747         if (len != 4 && len != 8) {
 748                 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
 749                 return -1;
 750         }
 751         pin[len] = '\0';
 752
 753         if (len == 8) {
 754                 unsigned int pin_val;
 755                 pin_val = atoi(pin);
 756                 if (!wps_pin_valid(pin_val)) {
 757                         wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
 758                         ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
 759                         if (ret < 0 || (size_t) ret >= buflen)
 760                                 return -1;
 761                         return ret;
 762                 }
 763         }
 764
 765         ret = os_snprintf(buf, buflen, "%s", pin);
 766         if (ret < 0 || (size_t) ret >= buflen)
 767                 return -1;
 768
 769         return ret;
 770 }
 771
 772
 773 #ifdef CONFIG_WPS_NFC
 774
 775 static int wpa_supplicant_ctrl_iface_wps_nfc(struct wpa_supplicant *wpa_s,
 776                                              char *cmd)
 777 {
 778         u8 bssid[ETH_ALEN], *_bssid = bssid;
 779
 780         if (cmd == NULL || cmd[0] == '\0')
 781                 _bssid = NULL;
 782         else if (hwaddr_aton(cmd, bssid))
 783                 return -1;
 784
 785         return wpas_wps_start_nfc(wpa_s, _bssid);
 786 }
 787
 788
 789 static int wpa_supplicant_ctrl_iface_wps_nfc_config_token(
 790         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 791 {
 792         int ndef;
 793         struct wpabuf *buf;
 794         int res;
 795         char *pos;
 796
 797         pos = os_strchr(cmd, ' ');
 798         if (pos)
 799                 *pos++ = '\0';
 800         if (os_strcmp(cmd, "WPS") == 0)
 801                 ndef = 0;
 802         else if (os_strcmp(cmd, "NDEF") == 0)
 803                 ndef = 1;
 804         else
 805                 return -1;
 806
 807         buf = wpas_wps_nfc_config_token(wpa_s, ndef, pos);
 808         if (buf == NULL)
 809                 return -1;
 810
 811         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 812                                          wpabuf_len(buf));
 813         reply[res++] = '\n';
 814         reply[res] = '\0';
 815
 816         wpabuf_free(buf);
 817
 818         return res;
 819 }
 820
 821
 822 static int wpa_supplicant_ctrl_iface_wps_nfc_token(
 823         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
 824 {
 825         int ndef;
 826         struct wpabuf *buf;
 827         int res;
 828
 829         if (os_strcmp(cmd, "WPS") == 0)
 830                 ndef = 0;
 831         else if (os_strcmp(cmd, "NDEF") == 0)
 832                 ndef = 1;
 833         else
 834                 return -1;
 835
 836         buf = wpas_wps_nfc_token(wpa_s, ndef);
 837         if (buf == NULL)
 838                 return -1;
 839
 840         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 841                                          wpabuf_len(buf));
 842         reply[res++] = '\n';
 843         reply[res] = '\0';
 844
 845         wpabuf_free(buf);
 846
 847         return res;
 848 }
 849
 850
 851 static int wpa_supplicant_ctrl_iface_wps_nfc_tag_read(
 852         struct wpa_supplicant *wpa_s, char *pos)
 853 {
 854         size_t len;
 855         struct wpabuf *buf;
 856         int ret;
 857
 858         len = os_strlen(pos);
 859         if (len & 0x01)
 860                 return -1;
 861         len /= 2;
 862
 863         buf = wpabuf_alloc(len);
 864         if (buf == NULL)
 865                 return -1;
 866         if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
 867                 wpabuf_free(buf);
 868                 return -1;
 869         }
 870
 871         ret = wpas_wps_nfc_tag_read(wpa_s, buf);
 872         wpabuf_free(buf);
 873
 874         return ret;
 875 }
 876
 877
 878 static int wpas_ctrl_nfc_get_handover_req_wps(struct wpa_supplicant *wpa_s,
 879                                               char *reply, size_t max_len,
 880                                               int cr)
 881 {
 882         struct wpabuf *buf;
 883         int res;
 884
 885         buf = wpas_wps_nfc_handover_req(wpa_s, cr);
 886         if (buf == NULL)
 887                 return -1;
 888
 889         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 890                                          wpabuf_len(buf));
 891         reply[res++] = '\n';
 892         reply[res] = '\0';
 893
 894         wpabuf_free(buf);
 895
 896         return res;
 897 }
 898
 899
 900 static int wpas_ctrl_nfc_get_handover_req(struct wpa_supplicant *wpa_s,
 901                                           char *cmd, char *reply,
 902                                           size_t max_len)
 903 {
 904         char *pos;
 905
 906         pos = os_strchr(cmd, ' ');
 907         if (pos == NULL)
 908                 return -1;
 909         *pos++ = '\0';
 910
 911         if (os_strcmp(cmd, "NDEF") != 0)
 912                 return -1;
 913
 914         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 915                 return wpas_ctrl_nfc_get_handover_req_wps(
 916                         wpa_s, reply, max_len, os_strcmp(pos, "WPS-CR") == 0);
 917         }
 918
 919         return -1;
 920 }
 921
 922
 923 static int wpas_ctrl_nfc_get_handover_sel_wps(struct wpa_supplicant *wpa_s,
 924                                               char *reply, size_t max_len,
 925                                               int ndef, int cr, char *uuid)
 926 {
 927         struct wpabuf *buf;
 928         int res;
 929
 930         buf = wpas_wps_nfc_handover_sel(wpa_s, ndef, cr, uuid);
 931         if (buf == NULL)
 932                 return -1;
 933
 934         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
 935                                          wpabuf_len(buf));
 936         reply[res++] = '\n';
 937         reply[res] = '\0';
 938
 939         wpabuf_free(buf);
 940
 941         return res;
 942 }
 943
 944
 945 static int wpas_ctrl_nfc_get_handover_sel(struct wpa_supplicant *wpa_s,
 946                                           char *cmd, char *reply,
 947                                           size_t max_len)
 948 {
 949         char *pos, *pos2;
 950         int ndef;
 951
 952         pos = os_strchr(cmd, ' ');
 953         if (pos == NULL)
 954                 return -1;
 955         *pos++ = '\0';
 956
 957         if (os_strcmp(cmd, "WPS") == 0)
 958                 ndef = 0;
 959         else if (os_strcmp(cmd, "NDEF") == 0)
 960                 ndef = 1;
 961         else
 962                 return -1;
 963
 964         pos2 = os_strchr(pos, ' ');
 965         if (pos2)
 966                 *pos2++ = '\0';
 967         if (os_strcmp(pos, "WPS") == 0 || os_strcmp(pos, "WPS-CR") == 0) {
 968                 return wpas_ctrl_nfc_get_handover_sel_wps(
 969                         wpa_s, reply, max_len, ndef,
 970                         os_strcmp(pos, "WPS-CR") == 0, pos2);
 971         }
 972
 973         return -1;
 974 }
 975
 976
 977 static int wpas_ctrl_nfc_rx_handover_req(struct wpa_supplicant *wpa_s,
 978                                          char *cmd, char *reply,
 979                                          size_t max_len)
 980 {
 981         size_t len;
 982         struct wpabuf *buf;
 983         int ret;
 984
 985         len = os_strlen(cmd);
 986         if (len & 0x01)
 987                 return -1;
 988         len /= 2;
 989
 990         buf = wpabuf_alloc(len);
 991         if (buf == NULL)
 992                 return -1;
 993         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
 994                 wpabuf_free(buf);
 995                 return -1;
 996         }
 997
 998         ret = wpas_wps_nfc_rx_handover_req(wpa_s, buf);
 999         wpabuf_free(buf);
1000
1001         return ret;
1002 }
1003
1004
1005 static int wpas_ctrl_nfc_rx_handover_sel(struct wpa_supplicant *wpa_s,
1006                                          char *cmd)
1007 {
1008         size_t len;
1009         struct wpabuf *buf;
1010         int ret;
1011
1012         len = os_strlen(cmd);
1013         if (len & 0x01)
1014                 return -1;
1015         len /= 2;
1016
1017         buf = wpabuf_alloc(len);
1018         if (buf == NULL)
1019                 return -1;
1020         if (hexstr2bin(cmd, wpabuf_put(buf, len), len) < 0) {
1021                 wpabuf_free(buf);
1022                 return -1;
1023         }
1024
1025         ret = wpas_wps_nfc_rx_handover_sel(wpa_s, buf);
1026         wpabuf_free(buf);
1027
1028         return ret;
1029 }
1030
1031
1032 static int wpas_ctrl_nfc_report_handover(struct wpa_supplicant *wpa_s,
1033                                          char *cmd)
1034 {
1035         size_t len;
1036         struct wpabuf *req, *sel;
1037         int ret;
1038         char *pos, *role, *type, *pos2;
1039
1040         role = cmd;
1041         pos = os_strchr(role, ' ');
1042         if (pos == NULL)
1043                 return -1;
1044         *pos++ = '\0';
1045
1046         type = pos;
1047         pos = os_strchr(type, ' ');
1048         if (pos == NULL)
1049                 return -1;
1050         *pos++ = '\0';
1051
1052         pos2 = os_strchr(pos, ' ');
1053         if (pos2 == NULL)
1054                 return -1;
1055         *pos2++ = '\0';
1056
1057         len = os_strlen(pos);
1058         if (len & 0x01)
1059                 return -1;
1060         len /= 2;
1061
1062         req = wpabuf_alloc(len);
1063         if (req == NULL)
1064                 return -1;
1065         if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
1066                 wpabuf_free(req);
1067                 return -1;
1068         }
1069
1070         len = os_strlen(pos2);
1071         if (len & 0x01) {
1072                 wpabuf_free(req);
1073                 return -1;
1074         }
1075         len /= 2;
1076
1077         sel = wpabuf_alloc(len);
1078         if (sel == NULL) {
1079                 wpabuf_free(req);
1080                 return -1;
1081         }
1082         if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
1083                 wpabuf_free(req);
1084                 wpabuf_free(sel);
1085                 return -1;
1086         }
1087
1088         if (os_strcmp(role, "INIT") == 0 && os_strcmp(type, "WPS") == 0) {
1089                 ret = wpas_wps_nfc_report_handover(wpa_s, req, sel);
1090         } else {
1091                 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
1092                            "reported: role=%s type=%s", role, type);
1093                 ret = -1;
1094         }
1095         wpabuf_free(req);
1096         wpabuf_free(sel);
1097
1098         return ret;
1099 }
1100
1101 #endif /* CONFIG_WPS_NFC */
1102
1103
1104 static int wpa_supplicant_ctrl_iface_wps_reg(struct wpa_supplicant *wpa_s,
1105                                              char *cmd)
1106 {
1107         u8 bssid[ETH_ALEN];
1108         char *pin;
1109         char *new_ssid;
1110         char *new_auth;
1111         char *new_encr;
1112         char *new_key;
1113         struct wps_new_ap_settings ap;
1114
1115         pin = os_strchr(cmd, ' ');
1116         if (pin == NULL)
1117                 return -1;
1118         *pin++ = '\0';
1119
1120         if (hwaddr_aton(cmd, bssid)) {
1121                 wpa_printf(MSG_DEBUG, "CTRL_IFACE WPS_REG: invalid BSSID '%s'",
1122                            cmd);
1123                 return -1;
1124         }
1125
1126         new_ssid = os_strchr(pin, ' ');
1127         if (new_ssid == NULL)
1128                 return wpas_wps_start_reg(wpa_s, bssid, pin, NULL);
1129         *new_ssid++ = '\0';
1130
1131         new_auth = os_strchr(new_ssid, ' ');
1132         if (new_auth == NULL)
1133                 return -1;
1134         *new_auth++ = '\0';
1135
1136         new_encr = os_strchr(new_auth, ' ');
1137         if (new_encr == NULL)
1138                 return -1;
1139         *new_encr++ = '\0';
1140
1141         new_key = os_strchr(new_encr, ' ');
1142         if (new_key == NULL)
1143                 return -1;
1144         *new_key++ = '\0';
1145
1146         os_memset(&ap, 0, sizeof(ap));
1147         ap.ssid_hex = new_ssid;
1148         ap.auth = new_auth;
1149         ap.encr = new_encr;
1150         ap.key_hex = new_key;
1151         return wpas_wps_start_reg(wpa_s, bssid, pin, &ap);
1152 }
1153
1154
1155 #ifdef CONFIG_AP
1156 static int wpa_supplicant_ctrl_iface_wps_ap_pin(struct wpa_supplicant *wpa_s,
1157                                                 char *cmd, char *buf,
1158                                                 size_t buflen)
1159 {
1160         int timeout = 300;
1161         char *pos;
1162         const char *pin_txt;
1163
1164         if (!wpa_s->ap_iface)
1165                 return -1;
1166
1167         pos = os_strchr(cmd, ' ');
1168         if (pos)
1169                 *pos++ = '\0';
1170
1171         if (os_strcmp(cmd, "disable") == 0) {
1172                 wpas_wps_ap_pin_disable(wpa_s);
1173                 return os_snprintf(buf, buflen, "OK\n");
1174         }
1175
1176         if (os_strcmp(cmd, "random") == 0) {
1177                 if (pos)
1178                         timeout = atoi(pos);
1179                 pin_txt = wpas_wps_ap_pin_random(wpa_s, timeout);
1180                 if (pin_txt == NULL)
1181                         return -1;
1182                 return os_snprintf(buf, buflen, "%s", pin_txt);
1183         }
1184
1185         if (os_strcmp(cmd, "get") == 0) {
1186                 pin_txt = wpas_wps_ap_pin_get(wpa_s);
1187                 if (pin_txt == NULL)
1188                         return -1;
1189                 return os_snprintf(buf, buflen, "%s", pin_txt);
1190         }
1191
1192         if (os_strcmp(cmd, "set") == 0) {
1193                 char *pin;
1194                 if (pos == NULL)
1195                         return -1;
1196                 pin = pos;
1197                 pos = os_strchr(pos, ' ');
1198                 if (pos) {
1199                         *pos++ = '\0';
1200                         timeout = atoi(pos);
1201                 }
1202                 if (os_strlen(pin) > buflen)
1203                         return -1;
1204                 if (wpas_wps_ap_pin_set(wpa_s, pin, timeout) < 0)
1205                         return -1;
1206                 return os_snprintf(buf, buflen, "%s", pin);
1207         }
1208
1209         return -1;
1210 }
1211 #endif /* CONFIG_AP */
1212
1213
1214 #ifdef CONFIG_WPS_ER
1215 static int wpa_supplicant_ctrl_iface_wps_er_pin(struct wpa_supplicant *wpa_s,
1216                                                 char *cmd)
1217 {
1218         char *uuid = cmd, *pin, *pos;
1219         u8 addr_buf[ETH_ALEN], *addr = NULL;
1220         pin = os_strchr(uuid, ' ');
1221         if (pin == NULL)
1222                 return -1;
1223         *pin++ = '\0';
1224         pos = os_strchr(pin, ' ');
1225         if (pos) {
1226                 *pos++ = '\0';
1227                 if (hwaddr_aton(pos, addr_buf) == 0)
1228                         addr = addr_buf;
1229         }
1230         return wpas_wps_er_add_pin(wpa_s, addr, uuid, pin);
1231 }
1232
1233
1234 static int wpa_supplicant_ctrl_iface_wps_er_learn(struct wpa_supplicant *wpa_s,
1235                                                   char *cmd)
1236 {
1237         char *uuid = cmd, *pin;
1238         pin = os_strchr(uuid, ' ');
1239         if (pin == NULL)
1240                 return -1;
1241         *pin++ = '\0';
1242         return wpas_wps_er_learn(wpa_s, uuid, pin);
1243 }
1244
1245
1246 static int wpa_supplicant_ctrl_iface_wps_er_set_config(
1247         struct wpa_supplicant *wpa_s, char *cmd)
1248 {
1249         char *uuid = cmd, *id;
1250         id = os_strchr(uuid, ' ');
1251         if (id == NULL)
1252                 return -1;
1253         *id++ = '\0';
1254         return wpas_wps_er_set_config(wpa_s, uuid, atoi(id));
1255 }
1256
1257
1258 static int wpa_supplicant_ctrl_iface_wps_er_config(
1259         struct wpa_supplicant *wpa_s, char *cmd)
1260 {
1261         char *pin;
1262         char *new_ssid;
1263         char *new_auth;
1264         char *new_encr;
1265         char *new_key;
1266         struct wps_new_ap_settings ap;
1267
1268         pin = os_strchr(cmd, ' ');
1269         if (pin == NULL)
1270                 return -1;
1271         *pin++ = '\0';
1272
1273         new_ssid = os_strchr(pin, ' ');
1274         if (new_ssid == NULL)
1275                 return -1;
1276         *new_ssid++ = '\0';
1277
1278         new_auth = os_strchr(new_ssid, ' ');
1279         if (new_auth == NULL)
1280                 return -1;
1281         *new_auth++ = '\0';
1282
1283         new_encr = os_strchr(new_auth, ' ');
1284         if (new_encr == NULL)
1285                 return -1;
1286         *new_encr++ = '\0';
1287
1288         new_key = os_strchr(new_encr, ' ');
1289         if (new_key == NULL)
1290                 return -1;
1291         *new_key++ = '\0';
1292
1293         os_memset(&ap, 0, sizeof(ap));
1294         ap.ssid_hex = new_ssid;
1295         ap.auth = new_auth;
1296         ap.encr = new_encr;
1297         ap.key_hex = new_key;
1298         return wpas_wps_er_config(wpa_s, cmd, pin, &ap);
1299 }
1300
1301
1302 #ifdef CONFIG_WPS_NFC
1303 static int wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
1304         struct wpa_supplicant *wpa_s, char *cmd, char *reply, size_t max_len)
1305 {
1306         int ndef;
1307         struct wpabuf *buf;
1308         int res;
1309         char *uuid;
1310
1311         uuid = os_strchr(cmd, ' ');
1312         if (uuid == NULL)
1313                 return -1;
1314         *uuid++ = '\0';
1315
1316         if (os_strcmp(cmd, "WPS") == 0)
1317                 ndef = 0;
1318         else if (os_strcmp(cmd, "NDEF") == 0)
1319                 ndef = 1;
1320         else
1321                 return -1;
1322
1323         buf = wpas_wps_er_nfc_config_token(wpa_s, ndef, uuid);
1324         if (buf == NULL)
1325                 return -1;
1326
1327         res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
1328                                          wpabuf_len(buf));
1329         reply[res++] = '\n';
1330         reply[res] = '\0';
1331
1332         wpabuf_free(buf);
1333
1334         return res;
1335 }
1336 #endif /* CONFIG_WPS_NFC */
1337 #endif /* CONFIG_WPS_ER */
1338
1339 #endif /* CONFIG_WPS */
1340
1341
1342 #ifdef CONFIG_IBSS_RSN
1343 static int wpa_supplicant_ctrl_iface_ibss_rsn(
1344         struct wpa_supplicant *wpa_s, char *addr)
1345 {
1346         u8 peer[ETH_ALEN];
1347
1348         if (hwaddr_aton(addr, peer)) {
1349                 wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN: invalid "
1350                            "address '%s'", addr);
1351                 return -1;
1352         }
1353
1354         wpa_printf(MSG_DEBUG, "CTRL_IFACE IBSS_RSN " MACSTR,
1355                    MAC2STR(peer));
1356
1357         return ibss_rsn_start(wpa_s->ibss_rsn, peer);
1358 }
1359 #endif /* CONFIG_IBSS_RSN */
1360
1361
1362 static int wpa_supplicant_ctrl_iface_ctrl_rsp(struct wpa_supplicant *wpa_s,
1363                                               char *rsp)
1364 {
1365 #ifdef IEEE8021X_EAPOL
1366         char *pos, *id_pos;
1367         int id;
1368         struct wpa_ssid *ssid;
1369
1370         pos = os_strchr(rsp, '-');
1371         if (pos == NULL)
1372                 return -1;
1373         *pos++ = '\0';
1374         id_pos = pos;
1375         pos = os_strchr(pos, ':');
1376         if (pos == NULL)
1377                 return -1;
1378         *pos++ = '\0';
1379         id = atoi(id_pos);
1380         wpa_printf(MSG_DEBUG, "CTRL_IFACE: field=%s id=%d", rsp, id);
1381         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
1382                               (u8 *) pos, os_strlen(pos));
1383
1384         ssid = wpa_config_get_network(wpa_s->conf, id);
1385         if (ssid == NULL) {
1386                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1387                            "to update", id);
1388                 return -1;
1389         }
1390
1391         return wpa_supplicant_ctrl_iface_ctrl_rsp_handle(wpa_s, ssid, rsp,
1392                                                          pos);
1393 #else /* IEEE8021X_EAPOL */
1394         wpa_printf(MSG_DEBUG, "CTRL_IFACE: 802.1X not included");
1395         return -1;
1396 #endif /* IEEE8021X_EAPOL */
1397 }
1398
1399
1400 static int wpa_supplicant_ctrl_iface_status(struct wpa_supplicant *wpa_s,
1401                                             const char *params,
1402                                             char *buf, size_t buflen)
1403 {
1404         char *pos, *end, tmp[30];
1405         int res, verbose, wps, ret;
1406
1407         verbose = os_strcmp(params, "-VERBOSE") == 0;
1408         wps = os_strcmp(params, "-WPS") == 0;
1409         pos = buf;
1410         end = buf + buflen;
1411         if (wpa_s->wpa_state >= WPA_ASSOCIATED) {
1412                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1413                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
1414                                   MAC2STR(wpa_s->bssid));
1415                 if (ret < 0 || ret >= end - pos)
1416                         return pos - buf;
1417                 pos += ret;
1418                 if (ssid) {
1419                         u8 *_ssid = ssid->ssid;
1420                         size_t ssid_len = ssid->ssid_len;
1421                         u8 ssid_buf[MAX_SSID_LEN];
1422                         if (ssid_len == 0) {
1423                                 int _res = wpa_drv_get_ssid(wpa_s, ssid_buf);
1424                                 if (_res < 0)
1425                                         ssid_len = 0;
1426                                 else
1427                                         ssid_len = _res;
1428                                 _ssid = ssid_buf;
1429                         }
1430                         ret = os_snprintf(pos, end - pos, "ssid=%s\nid=%d\n",
1431                                           wpa_ssid_txt(_ssid, ssid_len),
1432                                           ssid->id);
1433                         if (ret < 0 || ret >= end - pos)
1434                                 return pos - buf;
1435                         pos += ret;
1436
1437                         if (wps && ssid->passphrase &&
1438                             wpa_key_mgmt_wpa_psk(ssid->key_mgmt) &&
1439                             (ssid->mode == WPAS_MODE_AP ||
1440                              ssid->mode == WPAS_MODE_P2P_GO)) {
1441                                 ret = os_snprintf(pos, end - pos,
1442                                                   "passphrase=%s\n",
1443                                                   ssid->passphrase);
1444                                 if (ret < 0 || ret >= end - pos)
1445                                         return pos - buf;
1446                                 pos += ret;
1447                         }
1448                         if (ssid->id_str) {
1449                                 ret = os_snprintf(pos, end - pos,
1450                                                   "id_str=%s\n",
1451                                                   ssid->id_str);
1452                                 if (ret < 0 || ret >= end - pos)
1453                                         return pos - buf;
1454                                 pos += ret;
1455                         }
1456
1457                         switch (ssid->mode) {
1458                         case WPAS_MODE_INFRA:
1459                                 ret = os_snprintf(pos, end - pos,
1460                                                   "mode=station\n");
1461                                 break;
1462                         case WPAS_MODE_IBSS:
1463                                 ret = os_snprintf(pos, end - pos,
1464                                                   "mode=IBSS\n");
1465                                 break;
1466                         case WPAS_MODE_AP:
1467                                 ret = os_snprintf(pos, end - pos,
1468                                                   "mode=AP\n");
1469                                 break;
1470                         case WPAS_MODE_P2P_GO:
1471                                 ret = os_snprintf(pos, end - pos,
1472                                                   "mode=P2P GO\n");
1473                                 break;
1474                         case WPAS_MODE_P2P_GROUP_FORMATION:
1475                                 ret = os_snprintf(pos, end - pos,
1476                                                   "mode=P2P GO - group "
1477                                                   "formation\n");
1478                                 break;
1479                         default:
1480                                 ret = 0;
1481                                 break;
1482                         }
1483                         if (ret < 0 || ret >= end - pos)
1484                                 return pos - buf;
1485                         pos += ret;
1486                 }
1487
1488 #ifdef CONFIG_AP
1489                 if (wpa_s->ap_iface) {
1490                         pos += ap_ctrl_iface_wpa_get_status(wpa_s, pos,
1491                                                             end - pos,
1492                                                             verbose);
1493                 } else
1494 #endif /* CONFIG_AP */
1495                 pos += wpa_sm_get_status(wpa_s->wpa, pos, end - pos, verbose);
1496         }
1497 #ifdef CONFIG_SAE
1498         if (wpa_s->wpa_state >= WPA_ASSOCIATED &&
1499             wpa_s->sme.sae.state == SAE_ACCEPTED && !wpa_s->ap_iface) {
1500                 ret = os_snprintf(pos, end - pos, "sae_group=%d\n",
1501                                   wpa_s->sme.sae.group);
1502                 if (ret < 0 || ret >= end - pos)
1503                         return pos - buf;
1504                 pos += ret;
1505         }
1506 #endif /* CONFIG_SAE */
1507         ret = os_snprintf(pos, end - pos, "wpa_state=%s\n",
1508                           wpa_supplicant_state_txt(wpa_s->wpa_state));
1509         if (ret < 0 || ret >= end - pos)
1510                 return pos - buf;
1511         pos += ret;
1512
1513         if (wpa_s->l2 &&
1514             l2_packet_get_ip_addr(wpa_s->l2, tmp, sizeof(tmp)) >= 0) {
1515                 ret = os_snprintf(pos, end - pos, "ip_address=%s\n", tmp);
1516                 if (ret < 0 || ret >= end - pos)
1517                         return pos - buf;
1518                 pos += ret;
1519         }
1520
1521 #ifdef CONFIG_P2P
1522         if (wpa_s->global->p2p) {
1523                 ret = os_snprintf(pos, end - pos, "p2p_device_address=" MACSTR
1524                                   "\n", MAC2STR(wpa_s->global->p2p_dev_addr));
1525                 if (ret < 0 || ret >= end - pos)
1526                         return pos - buf;
1527                 pos += ret;
1528         }
1529 #endif /* CONFIG_P2P */
1530
1531         ret = os_snprintf(pos, end - pos, "address=" MACSTR "\n",
1532                           MAC2STR(wpa_s->own_addr));
1533         if (ret < 0 || ret >= end - pos)
1534                 return pos - buf;
1535         pos += ret;
1536
1537 #ifdef CONFIG_HS20
1538         if (wpa_s->current_bss &&
1539             wpa_bss_get_vendor_ie(wpa_s->current_bss, HS20_IE_VENDOR_TYPE) &&
1540             wpa_s->wpa_proto == WPA_PROTO_RSN &&
1541             wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt)) {
1542                 ret = os_snprintf(pos, end - pos, "hs20=1\n");
1543                 if (ret < 0 || ret >= end - pos)
1544                         return pos - buf;
1545                 pos += ret;
1546         }
1547
1548         if (wpa_s->current_ssid) {
1549                 struct wpa_cred *cred;
1550                 char *type;
1551
1552                 for (cred = wpa_s->conf->cred; cred; cred = cred->next) {
1553                         if (wpa_s->current_ssid->parent_cred != cred)
1554                                 continue;
1555                         if (!cred->domain)
1556                                 continue;
1557
1558                         ret = os_snprintf(pos, end - pos, "home_sp=%s\n",
1559                                           cred->domain);
1560                         if (ret < 0 || ret >= end - pos)
1561                                 return pos - buf;
1562                         pos += ret;
1563
1564                         if (wpa_s->current_bss == NULL ||
1565                             wpa_s->current_bss->anqp == NULL)
1566                                 res = -1;
1567                         else
1568                                 res = interworking_home_sp_cred(
1569                                         wpa_s, cred,
1570                                         wpa_s->current_bss->anqp->domain_name);
1571                         if (res > 0)
1572                                 type = "home";
1573                         else if (res == 0)
1574                                 type = "roaming";
1575                         else
1576                                 type = "unknown";
1577
1578                         ret = os_snprintf(pos, end - pos, "sp_type=%s\n", type);
1579                         if (ret < 0 || ret >= end - pos)
1580                                 return pos - buf;
1581                         pos += ret;
1582
1583                         break;
1584                 }
1585         }
1586 #endif /* CONFIG_HS20 */
1587
1588         if (wpa_key_mgmt_wpa_ieee8021x(wpa_s->key_mgmt) ||
1589             wpa_s->key_mgmt == WPA_KEY_MGMT_IEEE8021X_NO_WPA) {
1590                 res = eapol_sm_get_status(wpa_s->eapol, pos, end - pos,
1591                                           verbose);
1592                 if (res >= 0)
1593                         pos += res;
1594         }
1595
1596         res = rsn_preauth_get_status(wpa_s->wpa, pos, end - pos, verbose);
1597         if (res >= 0)
1598                 pos += res;
1599
1600 #ifdef ANDROID
1601         wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_STATE_CHANGE
1602                      "id=%d state=%d BSSID=" MACSTR " SSID=%s",
1603                      wpa_s->current_ssid ? wpa_s->current_ssid->id : -1,
1604                      wpa_s->wpa_state,
1605                      MAC2STR(wpa_s->bssid),
1606                      wpa_s->current_ssid && wpa_s->current_ssid->ssid ?
1607                      wpa_ssid_txt(wpa_s->current_ssid->ssid,
1608                      wpa_s->current_ssid->ssid_len) : "");
1609         if (wpa_s->wpa_state == WPA_COMPLETED) {
1610                 struct wpa_ssid *ssid = wpa_s->current_ssid;
1611                 wpa_msg_ctrl(wpa_s, MSG_INFO, WPA_EVENT_CONNECTED "- connection to "
1612                         MACSTR " completed %s [id=%d id_str=%s]",
1613                         MAC2STR(wpa_s->bssid), "(auth)",
1614                         ssid ? ssid->id : -1,
1615                         ssid && ssid->id_str ? ssid->id_str : "");
1616         }
1617 #endif /* ANDROID */
1618
1619         return pos - buf;
1620 }
1621
1622
1623 static int wpa_supplicant_ctrl_iface_bssid(struct wpa_supplicant *wpa_s,
1624                                            char *cmd)
1625 {
1626         char *pos;
1627         int id;
1628         struct wpa_ssid *ssid;
1629         u8 bssid[ETH_ALEN];
1630
1631         /* cmd: "<network id> <BSSID>" */
1632         pos = os_strchr(cmd, ' ');
1633         if (pos == NULL)
1634                 return -1;
1635         *pos++ = '\0';
1636         id = atoi(cmd);
1637         wpa_printf(MSG_DEBUG, "CTRL_IFACE: id=%d bssid='%s'", id, pos);
1638         if (hwaddr_aton(pos, bssid)) {
1639                 wpa_printf(MSG_DEBUG ,"CTRL_IFACE: invalid BSSID '%s'", pos);
1640                 return -1;
1641         }
1642
1643         ssid = wpa_config_get_network(wpa_s->conf, id);
1644         if (ssid == NULL) {
1645                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
1646                            "to update", id);
1647                 return -1;
1648         }
1649
1650         os_memcpy(ssid->bssid, bssid, ETH_ALEN);
1651         ssid->bssid_set = !is_zero_ether_addr(bssid);
1652
1653         return 0;
1654 }
1655
1656
1657 static int wpa_supplicant_ctrl_iface_blacklist(struct wpa_supplicant *wpa_s,
1658                                                char *cmd, char *buf,
1659                                                size_t buflen)
1660 {
1661         u8 bssid[ETH_ALEN];
1662         struct wpa_blacklist *e;
1663         char *pos, *end;
1664         int ret;
1665
1666         /* cmd: "BLACKLIST [<BSSID>]" */
1667         if (*cmd == '\0') {
1668                 pos = buf;
1669                 end = buf + buflen;
1670                 e = wpa_s->blacklist;
1671                 while (e) {
1672                         ret = os_snprintf(pos, end - pos, MACSTR "\n",
1673                                           MAC2STR(e->bssid));
1674                         if (ret < 0 || ret >= end - pos)
1675                                 return pos - buf;
1676                         pos += ret;
1677                         e = e->next;
1678                 }
1679                 return pos - buf;
1680         }
1681
1682         cmd++;
1683         if (os_strncmp(cmd, "clear", 5) == 0) {
1684                 wpa_blacklist_clear(wpa_s);
1685                 os_memcpy(buf, "OK\n", 3);
1686                 return 3;
1687         }
1688
1689         wpa_printf(MSG_DEBUG, "CTRL_IFACE: BLACKLIST bssid='%s'", cmd);
1690         if (hwaddr_aton(cmd, bssid)) {
1691                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: invalid BSSID '%s'", cmd);
1692                 return -1;
1693         }
1694
1695         /*
1696          * Add the BSSID twice, so its count will be 2, causing it to be
1697          * skipped when processing scan results.
1698          */
1699         ret = wpa_blacklist_add(wpa_s, bssid);
1700         if (ret != 0)
1701                 return -1;
1702         ret = wpa_blacklist_add(wpa_s, bssid);
1703         if (ret != 0)
1704                 return -1;
1705         os_memcpy(buf, "OK\n", 3);
1706         return 3;
1707 }
1708
1709
1710 extern int wpa_debug_level;
1711 extern int wpa_debug_timestamp;
1712
1713 static const char * debug_level_str(int level)
1714 {
1715         switch (level) {
1716         case MSG_EXCESSIVE:
1717                 return "EXCESSIVE";
1718         case MSG_MSGDUMP:
1719                 return "MSGDUMP";
1720         case MSG_DEBUG:
1721                 return "DEBUG";
1722         case MSG_INFO:
1723                 return "INFO";
1724         case MSG_WARNING:
1725                 return "WARNING";
1726         case MSG_ERROR:
1727                 return "ERROR";
1728         default:
1729                 return "?";
1730         }
1731 }
1732
1733
1734 static int str_to_debug_level(const char *s)
1735 {
1736         if (os_strcasecmp(s, "EXCESSIVE") == 0)
1737                 return MSG_EXCESSIVE;
1738         if (os_strcasecmp(s, "MSGDUMP") == 0)
1739                 return MSG_MSGDUMP;
1740         if (os_strcasecmp(s, "DEBUG") == 0)
1741                 return MSG_DEBUG;
1742         if (os_strcasecmp(s, "INFO") == 0)
1743                 return MSG_INFO;
1744         if (os_strcasecmp(s, "WARNING") == 0)
1745                 return MSG_WARNING;
1746         if (os_strcasecmp(s, "ERROR") == 0)
1747                 return MSG_ERROR;
1748         return -1;
1749 }
1750
1751
1752 static int wpa_supplicant_ctrl_iface_log_level(struct wpa_supplicant *wpa_s,
1753                                                char *cmd, char *buf,
1754                                                size_t buflen)
1755 {
1756         char *pos, *end, *stamp;
1757         int ret;
1758
1759         if (cmd == NULL) {
1760                 return -1;
1761         }
1762
1763         /* cmd: "LOG_LEVEL [<level>]" */
1764         if (*cmd == '\0') {
1765                 pos = buf;
1766                 end = buf + buflen;
1767                 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1768                                   "Timestamp: %d\n",
1769                                   debug_level_str(wpa_debug_level),
1770                                   wpa_debug_timestamp);
1771                 if (ret < 0 || ret >= end - pos)
1772                         ret = 0;
1773
1774                 return ret;
1775         }
1776
1777         while (*cmd == ' ')
1778                 cmd++;
1779
1780         stamp = os_strchr(cmd, ' ');
1781         if (stamp) {
1782                 *stamp++ = '\0';
1783                 while (*stamp == ' ') {
1784                         stamp++;
1785                 }
1786         }
1787
1788         if (cmd && os_strlen(cmd)) {
1789                 int level = str_to_debug_level(cmd);
1790                 if (level < 0)
1791                         return -1;
1792                 wpa_debug_level = level;
1793         }
1794
1795         if (stamp && os_strlen(stamp))
1796                 wpa_debug_timestamp = atoi(stamp);
1797
1798         os_memcpy(buf, "OK\n", 3);
1799         return 3;
1800 }
1801
1802
1803 static int wpa_supplicant_ctrl_iface_list_networks(
1804         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
1805 {
1806         char *pos, *end;
1807         struct wpa_ssid *ssid;
1808         int ret;
1809
1810         pos = buf;
1811         end = buf + buflen;
1812         ret = os_snprintf(pos, end - pos,
1813                           "network id / ssid / bssid / flags\n");
1814         if (ret < 0 || ret >= end - pos)
1815                 return pos - buf;
1816         pos += ret;
1817
1818         ssid = wpa_s->conf->ssid;
1819         while (ssid) {
1820                 ret = os_snprintf(pos, end - pos, "%d\t%s",
1821                                   ssid->id,
1822                                   wpa_ssid_txt(ssid->ssid, ssid->ssid_len));
1823                 if (ret < 0 || ret >= end - pos)
1824                         return pos - buf;
1825                 pos += ret;
1826                 if (ssid->bssid_set) {
1827                         ret = os_snprintf(pos, end - pos, "\t" MACSTR,
1828                                           MAC2STR(ssid->bssid));
1829                 } else {
1830                         ret = os_snprintf(pos, end - pos, "\tany");
1831                 }
1832                 if (ret < 0 || ret >= end - pos)
1833                         return pos - buf;
1834                 pos += ret;
1835                 ret = os_snprintf(pos, end - pos, "\t%s%s%s%s",
1836                                   ssid == wpa_s->current_ssid ?
1837                                   "[CURRENT]" : "",
1838                                   ssid->disabled ? "[DISABLED]" : "",
1839                                   ssid->disabled_until.sec ?
1840                                   "[TEMP-DISABLED]" : "",
1841                                   ssid->disabled == 2 ? "[P2P-PERSISTENT]" :
1842                                   "");
1843                 if (ret < 0 || ret >= end - pos)
1844                         return pos - buf;
1845                 pos += ret;
1846                 ret = os_snprintf(pos, end - pos, "\n");
1847                 if (ret < 0 || ret >= end - pos)
1848                         return pos - buf;
1849                 pos += ret;
1850
1851                 ssid = ssid->next;
1852         }
1853
1854         return pos - buf;
1855 }
1856
1857
1858 static char * wpa_supplicant_cipher_txt(char *pos, char *end, int cipher)
1859 {
1860         int ret;
1861         ret = os_snprintf(pos, end - pos, "-");
1862         if (ret < 0 || ret >= end - pos)
1863                 return pos;
1864         pos += ret;
1865         ret = wpa_write_ciphers(pos, end, cipher, "+");
1866         if (ret < 0)
1867                 return pos;
1868         pos += ret;
1869         return pos;
1870 }
1871
1872
1873 static char * wpa_supplicant_ie_txt(char *pos, char *end, const char *proto,
1874                                     const u8 *ie, size_t ie_len)
1875 {
1876         struct wpa_ie_data data;
1877         int first, ret;
1878
1879         ret = os_snprintf(pos, end - pos, "[%s-", proto);
1880         if (ret < 0 || ret >= end - pos)
1881                 return pos;
1882         pos += ret;
1883
1884         if (wpa_parse_wpa_ie(ie, ie_len, &data) < 0) {
1885                 ret = os_snprintf(pos, end - pos, "?]");
1886                 if (ret < 0 || ret >= end - pos)
1887                         return pos;
1888                 pos += ret;
1889                 return pos;
1890         }
1891
1892         first = 1;
1893         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1894                 ret = os_snprintf(pos, end - pos, "%sEAP", first ? "" : "+");
1895                 if (ret < 0 || ret >= end - pos)
1896                         return pos;
1897                 pos += ret;
1898                 first = 0;
1899         }
1900         if (data.key_mgmt & WPA_KEY_MGMT_PSK) {
1901                 ret = os_snprintf(pos, end - pos, "%sPSK", first ? "" : "+");
1902                 if (ret < 0 || ret >= end - pos)
1903                         return pos;
1904                 pos += ret;
1905                 first = 0;
1906         }
1907         if (data.key_mgmt & WPA_KEY_MGMT_WPA_NONE) {
1908                 ret = os_snprintf(pos, end - pos, "%sNone", first ? "" : "+");
1909                 if (ret < 0 || ret >= end - pos)
1910                         return pos;
1911                 pos += ret;
1912                 first = 0;
1913         }
1914 #ifdef CONFIG_IEEE80211R
1915         if (data.key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1916                 ret = os_snprintf(pos, end - pos, "%sFT/EAP",
1917                                   first ? "" : "+");
1918                 if (ret < 0 || ret >= end - pos)
1919                         return pos;
1920                 pos += ret;
1921                 first = 0;
1922         }
1923         if (data.key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1924                 ret = os_snprintf(pos, end - pos, "%sFT/PSK",
1925                                   first ? "" : "+");
1926                 if (ret < 0 || ret >= end - pos)
1927                         return pos;
1928                 pos += ret;
1929                 first = 0;
1930         }
1931 #endif /* CONFIG_IEEE80211R */
1932 #ifdef CONFIG_IEEE80211W
1933         if (data.key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1934                 ret = os_snprintf(pos, end - pos, "%sEAP-SHA256",
1935                                   first ? "" : "+");
1936                 if (ret < 0 || ret >= end - pos)
1937                         return pos;
1938                 pos += ret;
1939                 first = 0;
1940         }
1941         if (data.key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1942                 ret = os_snprintf(pos, end - pos, "%sPSK-SHA256",
1943                                   first ? "" : "+");
1944                 if (ret < 0 || ret >= end - pos)
1945                         return pos;
1946                 pos += ret;
1947                 first = 0;
1948         }
1949 #endif /* CONFIG_IEEE80211W */
1950
1951         pos = wpa_supplicant_cipher_txt(pos, end, data.pairwise_cipher);
1952
1953         if (data.capabilities & WPA_CAPABILITY_PREAUTH) {
1954                 ret = os_snprintf(pos, end - pos, "-preauth");
1955                 if (ret < 0 || ret >= end - pos)
1956                         return pos;
1957                 pos += ret;
1958         }
1959
1960         ret = os_snprintf(pos, end - pos, "]");
1961         if (ret < 0 || ret >= end - pos)
1962                 return pos;
1963         pos += ret;
1964
1965         return pos;
1966 }
1967
1968
1969 #ifdef CONFIG_WPS
1970 static char * wpa_supplicant_wps_ie_txt_buf(struct wpa_supplicant *wpa_s,
1971                                             char *pos, char *end,
1972                                             struct wpabuf *wps_ie)
1973 {
1974         int ret;
1975         const char *txt;
1976
1977         if (wps_ie == NULL)
1978                 return pos;
1979         if (wps_is_selected_pbc_registrar(wps_ie))
1980                 txt = "[WPS-PBC]";
1981 #ifdef CONFIG_WPS2
1982         else if (wps_is_addr_authorized(wps_ie, wpa_s->own_addr, 0))
1983                 txt = "[WPS-AUTH]";
1984 #endif /* CONFIG_WPS2 */
1985         else if (wps_is_selected_pin_registrar(wps_ie))
1986                 txt = "[WPS-PIN]";
1987         else
1988                 txt = "[WPS]";
1989
1990         ret = os_snprintf(pos, end - pos, "%s", txt);
1991         if (ret >= 0 && ret < end - pos)
1992                 pos += ret;
1993         wpabuf_free(wps_ie);
1994         return pos;
1995 }
1996 #endif /* CONFIG_WPS */
1997
1998
1999 static char * wpa_supplicant_wps_ie_txt(struct wpa_supplicant *wpa_s,
2000                                         char *pos, char *end,
2001                                         const struct wpa_bss *bss)
2002 {
2003 #ifdef CONFIG_WPS
2004         struct wpabuf *wps_ie;
2005         wps_ie = wpa_bss_get_vendor_ie_multi(bss, WPS_IE_VENDOR_TYPE);
2006         return wpa_supplicant_wps_ie_txt_buf(wpa_s, pos, end, wps_ie);
2007 #else /* CONFIG_WPS */
2008         return pos;
2009 #endif /* CONFIG_WPS */
2010 }
2011
2012
2013 /* Format one result on one text line into a buffer. */
2014 static int wpa_supplicant_ctrl_iface_scan_result(
2015         struct wpa_supplicant *wpa_s,
2016         const struct wpa_bss *bss, char *buf, size_t buflen)
2017 {
2018         char *pos, *end;
2019         int ret;
2020         const u8 *ie, *ie2, *p2p;
2021
2022         p2p = wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE);
2023         if (p2p && bss->ssid_len == P2P_WILDCARD_SSID_LEN &&
2024             os_memcmp(bss->ssid, P2P_WILDCARD_SSID, P2P_WILDCARD_SSID_LEN) ==
2025             0)
2026                 return 0; /* Do not show P2P listen discovery results here */
2027
2028         pos = buf;
2029         end = buf + buflen;
2030
2031         ret = os_snprintf(pos, end - pos, MACSTR "\t%d\t%d\t",
2032                           MAC2STR(bss->bssid), bss->freq, bss->level);
2033         if (ret < 0 || ret >= end - pos)
2034                 return -1;
2035         pos += ret;
2036         ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
2037         if (ie)
2038                 pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie, 2 + ie[1]);
2039         ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
2040         if (ie2)
2041                 pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2, 2 + ie2[1]);
2042         pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
2043         if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
2044                 ret = os_snprintf(pos, end - pos, "[WEP]");
2045                 if (ret < 0 || ret >= end - pos)
2046                         return -1;
2047                 pos += ret;
2048         }
2049         if (bss->caps & IEEE80211_CAP_IBSS) {
2050                 ret = os_snprintf(pos, end - pos, "[IBSS]");
2051                 if (ret < 0 || ret >= end - pos)
2052                         return -1;
2053                 pos += ret;
2054         }
2055         if (bss->caps & IEEE80211_CAP_ESS) {
2056                 ret = os_snprintf(pos, end - pos, "[ESS]");
2057                 if (ret < 0 || ret >= end - pos)
2058                         return -1;
2059                 pos += ret;
2060         }
2061         if (p2p) {
2062                 ret = os_snprintf(pos, end - pos, "[P2P]");
2063                 if (ret < 0 || ret >= end - pos)
2064                         return -1;
2065                 pos += ret;
2066         }
2067 #ifdef CONFIG_HS20
2068         if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE) && ie2) {
2069                 ret = os_snprintf(pos, end - pos, "[HS20]");
2070                 if (ret < 0 || ret >= end - pos)
2071                         return -1;
2072                 pos += ret;
2073         }
2074 #endif /* CONFIG_HS20 */
2075
2076         ret = os_snprintf(pos, end - pos, "\t%s",
2077                           wpa_ssid_txt(bss->ssid, bss->ssid_len));
2078         if (ret < 0 || ret >= end - pos)
2079                 return -1;
2080         pos += ret;
2081
2082         ret = os_snprintf(pos, end - pos, "\n");
2083         if (ret < 0 || ret >= end - pos)
2084                 return -1;
2085         pos += ret;
2086
2087         return pos - buf;
2088 }
2089
2090
2091 static int wpa_supplicant_ctrl_iface_scan_results(
2092         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2093 {
2094         char *pos, *end;
2095         struct wpa_bss *bss;
2096         int ret;
2097
2098         pos = buf;
2099         end = buf + buflen;
2100         ret = os_snprintf(pos, end - pos, "bssid / frequency / signal level / "
2101                           "flags / ssid\n");
2102         if (ret < 0 || ret >= end - pos)
2103                 return pos - buf;
2104         pos += ret;
2105
2106         dl_list_for_each(bss, &wpa_s->bss_id, struct wpa_bss, list_id) {
2107                 ret = wpa_supplicant_ctrl_iface_scan_result(wpa_s, bss, pos,
2108                                                             end - pos);
2109                 if (ret < 0 || ret >= end - pos)
2110                         return pos - buf;
2111                 pos += ret;
2112         }
2113
2114         return pos - buf;
2115 }
2116
2117
2118 static int wpa_supplicant_ctrl_iface_select_network(
2119         struct wpa_supplicant *wpa_s, char *cmd)
2120 {
2121         int id;
2122         struct wpa_ssid *ssid;
2123
2124         /* cmd: "<network id>" or "any" */
2125         if (os_strcmp(cmd, "any") == 0) {
2126                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK any");
2127                 ssid = NULL;
2128         } else {
2129                 id = atoi(cmd);
2130                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SELECT_NETWORK id=%d", id);
2131
2132                 ssid = wpa_config_get_network(wpa_s->conf, id);
2133                 if (ssid == NULL) {
2134                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2135                                    "network id=%d", id);
2136                         return -1;
2137                 }
2138                 if (ssid->disabled == 2) {
2139                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2140                                    "SELECT_NETWORK with persistent P2P group");
2141                         return -1;
2142                 }
2143         }
2144
2145         wpa_supplicant_select_network(wpa_s, ssid);
2146
2147         return 0;
2148 }
2149
2150
2151 static int wpa_supplicant_ctrl_iface_enable_network(
2152         struct wpa_supplicant *wpa_s, char *cmd)
2153 {
2154         int id;
2155         struct wpa_ssid *ssid;
2156
2157         /* cmd: "<network id>" or "all" */
2158         if (os_strcmp(cmd, "all") == 0) {
2159                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK all");
2160                 ssid = NULL;
2161         } else {
2162                 id = atoi(cmd);
2163                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: ENABLE_NETWORK id=%d", id);
2164
2165                 ssid = wpa_config_get_network(wpa_s->conf, id);
2166                 if (ssid == NULL) {
2167                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2168                                    "network id=%d", id);
2169                         return -1;
2170                 }
2171                 if (ssid->disabled == 2) {
2172                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2173                                    "ENABLE_NETWORK with persistent P2P group");
2174                         return -1;
2175                 }
2176
2177                 if (os_strstr(cmd, " no-connect")) {
2178                         ssid->disabled = 0;
2179                         return 0;
2180                 }
2181         }
2182         wpa_supplicant_enable_network(wpa_s, ssid);
2183
2184         return 0;
2185 }
2186
2187
2188 static int wpa_supplicant_ctrl_iface_disable_network(
2189         struct wpa_supplicant *wpa_s, char *cmd)
2190 {
2191         int id;
2192         struct wpa_ssid *ssid;
2193
2194         /* cmd: "<network id>" or "all" */
2195         if (os_strcmp(cmd, "all") == 0) {
2196                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK all");
2197                 ssid = NULL;
2198         } else {
2199                 id = atoi(cmd);
2200                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: DISABLE_NETWORK id=%d", id);
2201
2202                 ssid = wpa_config_get_network(wpa_s->conf, id);
2203                 if (ssid == NULL) {
2204                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
2205                                    "network id=%d", id);
2206                         return -1;
2207                 }
2208                 if (ssid->disabled == 2) {
2209                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Cannot use "
2210                                    "DISABLE_NETWORK with persistent P2P "
2211                                    "group");
2212                         return -1;
2213                 }
2214         }
2215         wpa_supplicant_disable_network(wpa_s, ssid);
2216
2217         return 0;
2218 }
2219
2220
2221 static int wpa_supplicant_ctrl_iface_add_network(
2222         struct wpa_supplicant *wpa_s, char *buf, size_t buflen)
2223 {
2224         struct wpa_ssid *ssid;
2225         int ret;
2226
2227         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_NETWORK");
2228
2229         ssid = wpa_config_add_network(wpa_s->conf);
2230         if (ssid == NULL)
2231                 return -1;
2232
2233         wpas_notify_network_added(wpa_s, ssid);
2234
2235         ssid->disabled = 1;
2236         wpa_config_set_network_defaults(ssid);
2237
2238         ret = os_snprintf(buf, buflen, "%d\n", ssid->id);
2239         if (ret < 0 || (size_t) ret >= buflen)
2240                 return -1;
2241         return ret;
2242 }
2243
2244
2245 static int wpa_supplicant_ctrl_iface_remove_network(
2246         struct wpa_supplicant *wpa_s, char *cmd)
2247 {
2248         int id;
2249         struct wpa_ssid *ssid;
2250         int was_disabled;
2251
2252         /* cmd: "<network id>" or "all" */
2253         if (os_strcmp(cmd, "all") == 0) {
2254                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK all");
2255                 if (wpa_s->sched_scanning)
2256                         wpa_supplicant_cancel_sched_scan(wpa_s);
2257
2258                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2259                 if (wpa_s->current_ssid) {
2260 #ifdef CONFIG_SME
2261                         wpa_s->sme.prev_bssid_set = 0;
2262 #endif /* CONFIG_SME */
2263                         wpa_sm_set_config(wpa_s->wpa, NULL);
2264                         eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2265                         wpa_supplicant_deauthenticate(
2266                                 wpa_s, WLAN_REASON_DEAUTH_LEAVING);
2267                 }
2268                 ssid = wpa_s->conf->ssid;
2269                 while (ssid) {
2270                         struct wpa_ssid *remove_ssid = ssid;
2271                         id = ssid->id;
2272                         ssid = ssid->next;
2273                         wpas_notify_network_removed(wpa_s, remove_ssid);
2274                         wpa_config_remove_network(wpa_s->conf, id);
2275                 }
2276                 return 0;
2277         }
2278
2279         id = atoi(cmd);
2280         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_NETWORK id=%d", id);
2281
2282         ssid = wpa_config_get_network(wpa_s->conf, id);
2283         if (ssid)
2284                 wpas_notify_network_removed(wpa_s, ssid);
2285         if (ssid == NULL) {
2286                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2287                            "id=%d", id);
2288                 return -1;
2289         }
2290
2291         if (ssid == wpa_s->current_ssid || wpa_s->current_ssid == NULL) {
2292 #ifdef CONFIG_SME
2293                 wpa_s->sme.prev_bssid_set = 0;
2294 #endif /* CONFIG_SME */
2295                 /*
2296                  * Invalidate the EAP session cache if the current or
2297                  * previously used network is removed.
2298                  */
2299                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2300         }
2301
2302         if (ssid == wpa_s->current_ssid) {
2303                 wpa_sm_set_config(wpa_s->wpa, NULL);
2304                 eapol_sm_notify_config(wpa_s->eapol, NULL, NULL);
2305
2306                 wpa_supplicant_deauthenticate(wpa_s,
2307                                               WLAN_REASON_DEAUTH_LEAVING);
2308         }
2309
2310         was_disabled = ssid->disabled;
2311
2312         if (wpa_config_remove_network(wpa_s->conf, id) < 0) {
2313                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Not able to remove the "
2314                            "network id=%d", id);
2315                 return -1;
2316         }
2317
2318         if (!was_disabled && wpa_s->sched_scanning) {
2319                 wpa_printf(MSG_DEBUG, "Stop ongoing sched_scan to remove "
2320                            "network from filters");
2321                 wpa_supplicant_cancel_sched_scan(wpa_s);
2322                 wpa_supplicant_req_scan(wpa_s, 0, 0);
2323         }
2324
2325         return 0;
2326 }
2327
2328
2329 static int wpa_supplicant_ctrl_iface_set_network(
2330         struct wpa_supplicant *wpa_s, char *cmd)
2331 {
2332         int id;
2333         struct wpa_ssid *ssid;
2334         char *name, *value;
2335
2336         /* cmd: "<network id> <variable name> <value>" */
2337         name = os_strchr(cmd, ' ');
2338         if (name == NULL)
2339                 return -1;
2340         *name++ = '\0';
2341
2342         value = os_strchr(name, ' ');
2343         if (value == NULL)
2344                 return -1;
2345         *value++ = '\0';
2346
2347         id = atoi(cmd);
2348         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_NETWORK id=%d name='%s'",
2349                    id, name);
2350         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2351                               (u8 *) value, os_strlen(value));
2352
2353         ssid = wpa_config_get_network(wpa_s->conf, id);
2354         if (ssid == NULL) {
2355                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2356                            "id=%d", id);
2357                 return -1;
2358         }
2359
2360         if (wpa_config_set(ssid, name, value, 0) < 0) {
2361                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set network "
2362                            "variable '%s'", name);
2363                 return -1;
2364         }
2365
2366         if (os_strcmp(name, "bssid") != 0 &&
2367             os_strcmp(name, "priority") != 0)
2368                 wpa_sm_pmksa_cache_flush(wpa_s->wpa, ssid);
2369
2370         if (wpa_s->current_ssid == ssid || wpa_s->current_ssid == NULL) {
2371                 /*
2372                  * Invalidate the EAP session cache if anything in the current
2373                  * or previously used configuration changes.
2374                  */
2375                 eapol_sm_invalidate_cached_session(wpa_s->eapol);
2376         }
2377
2378         if ((os_strcmp(name, "psk") == 0 &&
2379              value[0] == '"' && ssid->ssid_len) ||
2380             (os_strcmp(name, "ssid") == 0 && ssid->passphrase))
2381                 wpa_config_update_psk(ssid);
2382         else if (os_strcmp(name, "priority") == 0)
2383                 wpa_config_update_prio_list(wpa_s->conf);
2384
2385         return 0;
2386 }
2387
2388
2389 static int wpa_supplicant_ctrl_iface_get_network(
2390         struct wpa_supplicant *wpa_s, char *cmd, char *buf, size_t buflen)
2391 {
2392         int id;
2393         size_t res;
2394         struct wpa_ssid *ssid;
2395         char *name, *value;
2396
2397         /* cmd: "<network id> <variable name>" */
2398         name = os_strchr(cmd, ' ');
2399         if (name == NULL || buflen == 0)
2400                 return -1;
2401         *name++ = '\0';
2402
2403         id = atoi(cmd);
2404         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_NETWORK id=%d name='%s'",
2405                    id, name);
2406
2407         ssid = wpa_config_get_network(wpa_s->conf, id);
2408         if (ssid == NULL) {
2409                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find network "
2410                            "id=%d", id);
2411                 return -1;
2412         }
2413
2414         value = wpa_config_get_no_key(ssid, name);
2415         if (value == NULL) {
2416                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to get network "
2417                            "variable '%s'", name);
2418                 return -1;
2419         }
2420
2421         res = os_strlcpy(buf, value, buflen);
2422         if (res >= buflen) {
2423                 os_free(value);
2424                 return -1;
2425         }
2426
2427         os_free(value);
2428
2429         return res;
2430 }
2431
2432
2433 static int wpa_supplicant_ctrl_iface_list_creds(struct wpa_supplicant *wpa_s,
2434                                                 char *buf, size_t buflen)
2435 {
2436         char *pos, *end;
2437         struct wpa_cred *cred;
2438         int ret;
2439
2440         pos = buf;
2441         end = buf + buflen;
2442         ret = os_snprintf(pos, end - pos,
2443                           "cred id / realm / username / domain / imsi\n");
2444         if (ret < 0 || ret >= end - pos)
2445                 return pos - buf;
2446         pos += ret;
2447
2448         cred = wpa_s->conf->cred;
2449         while (cred) {
2450                 ret = os_snprintf(pos, end - pos, "%d\t%s\t%s\t%s\t%s\n",
2451                                   cred->id, cred->realm ? cred->realm : "",
2452                                   cred->username ? cred->username : "",
2453                                   cred->domain ? cred->domain : "",
2454                                   cred->imsi ? cred->imsi : "");
2455                 if (ret < 0 || ret >= end - pos)
2456                         return pos - buf;
2457                 pos += ret;
2458
2459                 cred = cred->next;
2460         }
2461
2462         return pos - buf;
2463 }
2464
2465
2466 static int wpa_supplicant_ctrl_iface_add_cred(struct wpa_supplicant *wpa_s,
2467                                               char *buf, size_t buflen)
2468 {
2469         struct wpa_cred *cred;
2470         int ret;
2471
2472         wpa_printf(MSG_DEBUG, "CTRL_IFACE: ADD_CRED");
2473
2474         cred = wpa_config_add_cred(wpa_s->conf);
2475         if (cred == NULL)
2476                 return -1;
2477
2478         ret = os_snprintf(buf, buflen, "%d\n", cred->id);
2479         if (ret < 0 || (size_t) ret >= buflen)
2480                 return -1;
2481         return ret;
2482 }
2483
2484
2485 static int wpas_ctrl_remove_cred(struct wpa_supplicant *wpa_s,
2486                                  struct wpa_cred *cred)
2487 {
2488         struct wpa_ssid *ssid;
2489         char str[20];
2490
2491         if (cred == NULL || wpa_config_remove_cred(wpa_s->conf, cred->id) < 0) {
2492                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred");
2493                 return -1;
2494         }
2495
2496         /* Remove any network entry created based on the removed credential */
2497         ssid = wpa_s->conf->ssid;
2498         while (ssid) {
2499                 if (ssid->parent_cred == cred) {
2500                         wpa_printf(MSG_DEBUG, "Remove network id %d since it "
2501                                    "used the removed credential", ssid->id);
2502                         os_snprintf(str, sizeof(str), "%d", ssid->id);
2503                         ssid = ssid->next;
2504                         wpa_supplicant_ctrl_iface_remove_network(wpa_s, str);
2505                 } else
2506                         ssid = ssid->next;
2507         }
2508
2509         return 0;
2510 }
2511
2512
2513 static int wpa_supplicant_ctrl_iface_remove_cred(struct wpa_supplicant *wpa_s,
2514                                                  char *cmd)
2515 {
2516         int id;
2517         struct wpa_cred *cred, *prev;
2518
2519         /* cmd: "<cred id>", "all", or "sp_fqdn=<FQDN>" */
2520         if (os_strcmp(cmd, "all") == 0) {
2521                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED all");
2522                 cred = wpa_s->conf->cred;
2523                 while (cred) {
2524                         prev = cred;
2525                         cred = cred->next;
2526                         wpas_ctrl_remove_cred(wpa_s, prev);
2527                 }
2528                 return 0;
2529         }
2530
2531         if (os_strncmp(cmd, "sp_fqdn=", 8) == 0) {
2532                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED SP FQDN '%s'",
2533                            cmd + 8);
2534                 cred = wpa_s->conf->cred;
2535                 while (cred) {
2536                         prev = cred;
2537                         cred = cred->next;
2538                         if (prev->domain &&
2539                             os_strcmp(prev->domain, cmd + 8) == 0)
2540                                 wpas_ctrl_remove_cred(wpa_s, prev);
2541                 }
2542                 return 0;
2543         }
2544
2545         id = atoi(cmd);
2546         wpa_printf(MSG_DEBUG, "CTRL_IFACE: REMOVE_CRED id=%d", id);
2547
2548         cred = wpa_config_get_cred(wpa_s->conf, id);
2549         return wpas_ctrl_remove_cred(wpa_s, cred);
2550 }
2551
2552
2553 static int wpa_supplicant_ctrl_iface_set_cred(struct wpa_supplicant *wpa_s,
2554                                               char *cmd)
2555 {
2556         int id;
2557         struct wpa_cred *cred;
2558         char *name, *value;
2559
2560         /* cmd: "<cred id> <variable name> <value>" */
2561         name = os_strchr(cmd, ' ');
2562         if (name == NULL)
2563                 return -1;
2564         *name++ = '\0';
2565
2566         value = os_strchr(name, ' ');
2567         if (value == NULL)
2568                 return -1;
2569         *value++ = '\0';
2570
2571         id = atoi(cmd);
2572         wpa_printf(MSG_DEBUG, "CTRL_IFACE: SET_CRED id=%d name='%s'",
2573                    id, name);
2574         wpa_hexdump_ascii_key(MSG_DEBUG, "CTRL_IFACE: value",
2575                               (u8 *) value, os_strlen(value));
2576
2577         cred = wpa_config_get_cred(wpa_s->conf, id);
2578         if (cred == NULL) {
2579                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find cred id=%d",
2580                            id);
2581                 return -1;
2582         }
2583
2584         if (wpa_config_set_cred(cred, name, value, 0) < 0) {
2585                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Failed to set cred "
2586                            "variable '%s'", name);
2587                 return -1;
2588         }
2589
2590         return 0;
2591 }
2592
2593
2594 #ifndef CONFIG_NO_CONFIG_WRITE
2595 static int wpa_supplicant_ctrl_iface_save_config(struct wpa_supplicant *wpa_s)
2596 {
2597         int ret;
2598
2599         if (!wpa_s->conf->update_config) {
2600                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Not allowed "
2601                            "to update configuration (update_config=0)");
2602                 return -1;
2603         }
2604
2605         ret = wpa_config_write(wpa_s->confname, wpa_s->conf);
2606         if (ret) {
2607                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Failed to "
2608                            "update configuration");
2609         } else {
2610                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: SAVE_CONFIG - Configuration"
2611                            " updated");
2612         }
2613
2614         return ret;
2615 }
2616 #endif /* CONFIG_NO_CONFIG_WRITE */
2617
2618
2619 static int ctrl_iface_get_capability_pairwise(int res, char *strict,
2620                                               struct wpa_driver_capa *capa,
2621                                               char *buf, size_t buflen)
2622 {
2623         int ret, first = 1;
2624         char *pos, *end;
2625         size_t len;
2626
2627         pos = buf;
2628         end = pos + buflen;
2629
2630         if (res < 0) {
2631                 if (strict)
2632                         return 0;
2633                 len = os_strlcpy(buf, "CCMP TKIP NONE", buflen);
2634                 if (len >= buflen)
2635                         return -1;
2636                 return len;
2637         }
2638
2639         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2640                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2641                 if (ret < 0 || ret >= end - pos)
2642                         return pos - buf;
2643                 pos += ret;
2644                 first = 0;
2645         }
2646
2647         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2648                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2649                 if (ret < 0 || ret >= end - pos)
2650                         return pos - buf;
2651                 pos += ret;
2652                 first = 0;
2653         }
2654
2655         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2656                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2657                 if (ret < 0 || ret >= end - pos)
2658                         return pos - buf;
2659                 pos += ret;
2660                 first = 0;
2661         }
2662
2663         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2664                 ret = os_snprintf(pos, end - pos, "%sNONE", first ? "" : " ");
2665                 if (ret < 0 || ret >= end - pos)
2666                         return pos - buf;
2667                 pos += ret;
2668                 first = 0;
2669         }
2670
2671         return pos - buf;
2672 }
2673
2674
2675 static int ctrl_iface_get_capability_group(int res, char *strict,
2676                                            struct wpa_driver_capa *capa,
2677                                            char *buf, size_t buflen)
2678 {
2679         int ret, first = 1;
2680         char *pos, *end;
2681         size_t len;
2682
2683         pos = buf;
2684         end = pos + buflen;
2685
2686         if (res < 0) {
2687                 if (strict)
2688                         return 0;
2689                 len = os_strlcpy(buf, "CCMP TKIP WEP104 WEP40", buflen);
2690                 if (len >= buflen)
2691                         return -1;
2692                 return len;
2693         }
2694
2695         if (capa->enc & WPA_DRIVER_CAPA_ENC_CCMP) {
2696                 ret = os_snprintf(pos, end - pos, "%sCCMP", first ? "" : " ");
2697                 if (ret < 0 || ret >= end - pos)
2698                         return pos - buf;
2699                 pos += ret;
2700                 first = 0;
2701         }
2702
2703         if (capa->enc & WPA_DRIVER_CAPA_ENC_GCMP) {
2704                 ret = os_snprintf(pos, end - pos, "%sGCMP", first ? "" : " ");
2705                 if (ret < 0 || ret >= end - pos)
2706                         return pos - buf;
2707                 pos += ret;
2708                 first = 0;
2709         }
2710
2711         if (capa->enc & WPA_DRIVER_CAPA_ENC_TKIP) {
2712                 ret = os_snprintf(pos, end - pos, "%sTKIP", first ? "" : " ");
2713                 if (ret < 0 || ret >= end - pos)
2714                         return pos - buf;
2715                 pos += ret;
2716                 first = 0;
2717         }
2718
2719         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP104) {
2720                 ret = os_snprintf(pos, end - pos, "%sWEP104",
2721                                   first ? "" : " ");
2722                 if (ret < 0 || ret >= end - pos)
2723                         return pos - buf;
2724                 pos += ret;
2725                 first = 0;
2726         }
2727
2728         if (capa->enc & WPA_DRIVER_CAPA_ENC_WEP40) {
2729                 ret = os_snprintf(pos, end - pos, "%sWEP40", first ? "" : " ");
2730                 if (ret < 0 || ret >= end - pos)
2731                         return pos - buf;
2732                 pos += ret;
2733                 first = 0;
2734         }
2735
2736         return pos - buf;
2737 }
2738
2739
2740 static int ctrl_iface_get_capability_key_mgmt(int res, char *strict,
2741                                               struct wpa_driver_capa *capa,
2742                                               char *buf, size_t buflen)
2743 {
2744         int ret;
2745         char *pos, *end;
2746         size_t len;
2747
2748         pos = buf;
2749         end = pos + buflen;
2750
2751         if (res < 0) {
2752                 if (strict)
2753                         return 0;
2754                 len = os_strlcpy(buf, "WPA-PSK WPA-EAP IEEE8021X WPA-NONE "
2755                                  "NONE", buflen);
2756                 if (len >= buflen)
2757                         return -1;
2758                 return len;
2759         }
2760
2761         ret = os_snprintf(pos, end - pos, "NONE IEEE8021X");
2762         if (ret < 0 || ret >= end - pos)
2763                 return pos - buf;
2764         pos += ret;
2765
2766         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2767                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2)) {
2768                 ret = os_snprintf(pos, end - pos, " WPA-EAP");
2769                 if (ret < 0 || ret >= end - pos)
2770                         return pos - buf;
2771                 pos += ret;
2772         }
2773
2774         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK |
2775                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2776                 ret = os_snprintf(pos, end - pos, " WPA-PSK");
2777                 if (ret < 0 || ret >= end - pos)
2778                         return pos - buf;
2779                 pos += ret;
2780         }
2781
2782         if (capa->key_mgmt & WPA_DRIVER_CAPA_KEY_MGMT_WPA_NONE) {
2783                 ret = os_snprintf(pos, end - pos, " WPA-NONE");
2784                 if (ret < 0 || ret >= end - pos)
2785                         return pos - buf;
2786                 pos += ret;
2787         }
2788
2789         return pos - buf;
2790 }
2791
2792
2793 static int ctrl_iface_get_capability_proto(int res, char *strict,
2794                                            struct wpa_driver_capa *capa,
2795                                            char *buf, size_t buflen)
2796 {
2797         int ret, first = 1;
2798         char *pos, *end;
2799         size_t len;
2800
2801         pos = buf;
2802         end = pos + buflen;
2803
2804         if (res < 0) {
2805                 if (strict)
2806                         return 0;
2807                 len = os_strlcpy(buf, "RSN WPA", buflen);
2808                 if (len >= buflen)
2809                         return -1;
2810                 return len;
2811         }
2812
2813         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA2 |
2814                               WPA_DRIVER_CAPA_KEY_MGMT_WPA2_PSK)) {
2815                 ret = os_snprintf(pos, end - pos, "%sRSN", first ? "" : " ");
2816                 if (ret < 0 || ret >= end - pos)
2817                         return pos - buf;
2818                 pos += ret;
2819                 first = 0;
2820         }
2821
2822         if (capa->key_mgmt & (WPA_DRIVER_CAPA_KEY_MGMT_WPA |
2823                               WPA_DRIVER_CAPA_KEY_MGMT_WPA_PSK)) {
2824                 ret = os_snprintf(pos, end - pos, "%sWPA", first ? "" : " ");
2825                 if (ret < 0 || ret >= end - pos)
2826                         return pos - buf;
2827                 pos += ret;
2828                 first = 0;
2829         }
2830
2831         return pos - buf;
2832 }
2833
2834
2835 static int ctrl_iface_get_capability_auth_alg(int res, char *strict,
2836                                               struct wpa_driver_capa *capa,
2837                                               char *buf, size_t buflen)
2838 {
2839         int ret, first = 1;
2840         char *pos, *end;
2841         size_t len;
2842
2843         pos = buf;
2844         end = pos + buflen;
2845
2846         if (res < 0) {
2847                 if (strict)
2848                         return 0;
2849                 len = os_strlcpy(buf, "OPEN SHARED LEAP", buflen);
2850                 if (len >= buflen)
2851                         return -1;
2852                 return len;
2853         }
2854
2855         if (capa->auth & (WPA_DRIVER_AUTH_OPEN)) {
2856                 ret = os_snprintf(pos, end - pos, "%sOPEN", first ? "" : " ");
2857                 if (ret < 0 || ret >= end - pos)
2858                         return pos - buf;
2859                 pos += ret;
2860                 first = 0;
2861         }
2862
2863         if (capa->auth & (WPA_DRIVER_AUTH_SHARED)) {
2864                 ret = os_snprintf(pos, end - pos, "%sSHARED",
2865                                   first ? "" : " ");
2866                 if (ret < 0 || ret >= end - pos)
2867                         return pos - buf;
2868                 pos += ret;
2869                 first = 0;
2870         }
2871
2872         if (capa->auth & (WPA_DRIVER_AUTH_LEAP)) {
2873                 ret = os_snprintf(pos, end - pos, "%sLEAP", first ? "" : " ");
2874                 if (ret < 0 || ret >= end - pos)
2875                         return pos - buf;
2876                 pos += ret;
2877                 first = 0;
2878         }
2879
2880         return pos - buf;
2881 }
2882
2883
2884 static int ctrl_iface_get_capability_modes(int res, char *strict,
2885                                            struct wpa_driver_capa *capa,
2886                                            char *buf, size_t buflen)
2887 {
2888         int ret, first = 1;
2889         char *pos, *end;
2890         size_t len;
2891
2892         pos = buf;
2893         end = pos + buflen;
2894
2895         if (res < 0) {
2896                 if (strict)
2897                         return 0;
2898                 len = os_strlcpy(buf, "IBSS AP", buflen);
2899                 if (len >= buflen)
2900                         return -1;
2901                 return len;
2902         }
2903
2904         if (capa->flags & WPA_DRIVER_FLAGS_IBSS) {
2905                 ret = os_snprintf(pos, end - pos, "%sIBSS", first ? "" : " ");
2906                 if (ret < 0 || ret >= end - pos)
2907                         return pos - buf;
2908                 pos += ret;
2909                 first = 0;
2910         }
2911
2912         if (capa->flags & WPA_DRIVER_FLAGS_AP) {
2913                 ret = os_snprintf(pos, end - pos, "%sAP", first ? "" : " ");
2914                 if (ret < 0 || ret >= end - pos)
2915                         return pos - buf;
2916                 pos += ret;
2917                 first = 0;
2918         }
2919
2920         return pos - buf;
2921 }
2922
2923
2924 static int ctrl_iface_get_capability_channels(struct wpa_supplicant *wpa_s,
2925                                               char *buf, size_t buflen)
2926 {
2927         struct hostapd_channel_data *chnl;
2928         int ret, i, j;
2929         char *pos, *end, *hmode;
2930
2931         pos = buf;
2932         end = pos + buflen;
2933
2934         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2935                 switch (wpa_s->hw.modes[j].mode) {
2936                 case HOSTAPD_MODE_IEEE80211B:
2937                         hmode = "B";
2938                         break;
2939                 case HOSTAPD_MODE_IEEE80211G:
2940                         hmode = "G";
2941                         break;
2942                 case HOSTAPD_MODE_IEEE80211A:
2943                         hmode = "A";
2944                         break;
2945                 case HOSTAPD_MODE_IEEE80211AD:
2946                         hmode = "AD";
2947                         break;
2948                 default:
2949                         continue;
2950                 }
2951                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:", hmode);
2952                 if (ret < 0 || ret >= end - pos)
2953                         return pos - buf;
2954                 pos += ret;
2955                 chnl = wpa_s->hw.modes[j].channels;
2956                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
2957                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
2958                                 continue;
2959                         ret = os_snprintf(pos, end - pos, " %d", chnl[i].chan);
2960                         if (ret < 0 || ret >= end - pos)
2961                                 return pos - buf;
2962                         pos += ret;
2963                 }
2964                 ret = os_snprintf(pos, end - pos, "\n");
2965                 if (ret < 0 || ret >= end - pos)
2966                         return pos - buf;
2967                 pos += ret;
2968         }
2969
2970         return pos - buf;
2971 }
2972
2973
2974 static int ctrl_iface_get_capability_freq(struct wpa_supplicant *wpa_s,
2975                                           char *buf, size_t buflen)
2976 {
2977         struct hostapd_channel_data *chnl;
2978         int ret, i, j;
2979         char *pos, *end, *hmode;
2980
2981         pos = buf;
2982         end = pos + buflen;
2983
2984         for (j = 0; j < wpa_s->hw.num_modes; j++) {
2985                 switch (wpa_s->hw.modes[j].mode) {
2986                 case HOSTAPD_MODE_IEEE80211B:
2987                         hmode = "B";
2988                         break;
2989                 case HOSTAPD_MODE_IEEE80211G:
2990                         hmode = "G";
2991                         break;
2992                 case HOSTAPD_MODE_IEEE80211A:
2993                         hmode = "A";
2994                         break;
2995                 case HOSTAPD_MODE_IEEE80211AD:
2996                         hmode = "AD";
2997                         break;
2998                 default:
2999                         continue;
3000                 }
3001                 ret = os_snprintf(pos, end - pos, "Mode[%s] Channels:\n",
3002                                   hmode);
3003                 if (ret < 0 || ret >= end - pos)
3004                         return pos - buf;
3005                 pos += ret;
3006                 chnl = wpa_s->hw.modes[j].channels;
3007                 for (i = 0; i < wpa_s->hw.modes[j].num_channels; i++) {
3008                         if (chnl[i].flag & HOSTAPD_CHAN_DISABLED)
3009                                 continue;
3010                         ret = os_snprintf(pos, end - pos, " %d = %d MHz%s\n",
3011                                           chnl[i].chan, chnl[i].freq,
3012                                           chnl[i].flag & HOSTAPD_CHAN_NO_IBSS ?
3013                                           " (NO_IBSS)" : "");
3014                         if (ret < 0 || ret >= end - pos)
3015                                 return pos - buf;
3016                         pos += ret;
3017                 }
3018                 ret = os_snprintf(pos, end - pos, "\n");
3019                 if (ret < 0 || ret >= end - pos)
3020                         return pos - buf;
3021                 pos += ret;
3022         }
3023
3024         return pos - buf;
3025 }
3026
3027
3028 static int wpa_supplicant_ctrl_iface_get_capability(
3029         struct wpa_supplicant *wpa_s, const char *_field, char *buf,
3030         size_t buflen)
3031 {
3032         struct wpa_driver_capa capa;
3033         int res;
3034         char *strict;
3035         char field[30];
3036         size_t len;
3037
3038         /* Determine whether or not strict checking was requested */
3039         len = os_strlcpy(field, _field, sizeof(field));
3040         if (len >= sizeof(field))
3041                 return -1;
3042         strict = os_strchr(field, ' ');
3043         if (strict != NULL) {
3044                 *strict++ = '\0';
3045                 if (os_strcmp(strict, "strict") != 0)
3046                         return -1;
3047         }
3048
3049         wpa_printf(MSG_DEBUG, "CTRL_IFACE: GET_CAPABILITY '%s' %s",
3050                 field, strict ? strict : "");
3051
3052         if (os_strcmp(field, "eap") == 0) {
3053                 return eap_get_names(buf, buflen);
3054         }
3055
3056         res = wpa_drv_get_capa(wpa_s, &capa);
3057
3058         if (os_strcmp(field, "pairwise") == 0)
3059                 return ctrl_iface_get_capability_pairwise(res, strict, &capa,
3060                                                           buf, buflen);
3061
3062         if (os_strcmp(field, "group") == 0)
3063                 return ctrl_iface_get_capability_group(res, strict, &capa,
3064                                                        buf, buflen);
3065
3066         if (os_strcmp(field, "key_mgmt") == 0)
3067                 return ctrl_iface_get_capability_key_mgmt(res, strict, &capa,
3068                                                           buf, buflen);
3069
3070         if (os_strcmp(field, "proto") == 0)
3071                 return ctrl_iface_get_capability_proto(res, strict, &capa,
3072                                                        buf, buflen);
3073
3074         if (os_strcmp(field, "auth_alg") == 0)
3075                 return ctrl_iface_get_capability_auth_alg(res, strict, &capa,
3076                                                           buf, buflen);
3077
3078         if (os_strcmp(field, "modes") == 0)
3079                 return ctrl_iface_get_capability_modes(res, strict, &capa,
3080                                                        buf, buflen);
3081
3082         if (os_strcmp(field, "channels") == 0)
3083                 return ctrl_iface_get_capability_channels(wpa_s, buf, buflen);
3084
3085         if (os_strcmp(field, "freq") == 0)
3086                 return ctrl_iface_get_capability_freq(wpa_s, buf, buflen);
3087
3088         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown GET_CAPABILITY field '%s'",
3089                    field);
3090
3091         return -1;
3092 }
3093
3094
3095 #ifdef CONFIG_INTERWORKING
3096 static char * anqp_add_hex(char *pos, char *end, const char *title,
3097                            struct wpabuf *data)
3098 {
3099         char *start = pos;
3100         size_t i;
3101         int ret;
3102         const u8 *d;
3103
3104         if (data == NULL)
3105                 return start;
3106
3107         ret = os_snprintf(pos, end - pos, "%s=", title);
3108         if (ret < 0 || ret >= end - pos)
3109                 return start;
3110         pos += ret;
3111
3112         d = wpabuf_head_u8(data);
3113         for (i = 0; i < wpabuf_len(data); i++) {
3114                 ret = os_snprintf(pos, end - pos, "%02x", *d++);
3115                 if (ret < 0 || ret >= end - pos)
3116                         return start;
3117                 pos += ret;
3118         }
3119
3120         ret = os_snprintf(pos, end - pos, "\n");
3121         if (ret < 0 || ret >= end - pos)
3122                 return start;
3123         pos += ret;
3124
3125         return pos;
3126 }
3127 #endif /* CONFIG_INTERWORKING */
3128
3129
3130 static int print_bss_info(struct wpa_supplicant *wpa_s, struct wpa_bss *bss,
3131                           unsigned long mask, char *buf, size_t buflen)
3132 {
3133         size_t i;
3134         int ret;
3135         char *pos, *end;
3136         const u8 *ie, *ie2;
3137
3138         pos = buf;
3139         end = buf + buflen;
3140
3141         if (mask & WPA_BSS_MASK_ID) {
3142                 ret = os_snprintf(pos, end - pos, "id=%u\n", bss->id);
3143                 if (ret < 0 || ret >= end - pos)
3144                         return 0;
3145                 pos += ret;
3146         }
3147
3148         if (mask & WPA_BSS_MASK_BSSID) {
3149                 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n",
3150                                   MAC2STR(bss->bssid));
3151                 if (ret < 0 || ret >= end - pos)
3152                         return 0;
3153                 pos += ret;
3154         }
3155
3156         if (mask & WPA_BSS_MASK_FREQ) {
3157                 ret = os_snprintf(pos, end - pos, "freq=%d\n", bss->freq);
3158                 if (ret < 0 || ret >= end - pos)
3159                         return 0;
3160                 pos += ret;
3161         }
3162
3163         if (mask & WPA_BSS_MASK_BEACON_INT) {
3164                 ret = os_snprintf(pos, end - pos, "beacon_int=%d\n",
3165                                   bss->beacon_int);
3166                 if (ret < 0 || ret >= end - pos)
3167                         return 0;
3168                 pos += ret;
3169         }
3170
3171         if (mask & WPA_BSS_MASK_CAPABILITIES) {
3172                 ret = os_snprintf(pos, end - pos, "capabilities=0x%04x\n",
3173                                   bss->caps);
3174                 if (ret < 0 || ret >= end - pos)
3175                         return 0;
3176                 pos += ret;
3177         }
3178
3179         if (mask & WPA_BSS_MASK_QUAL) {
3180                 ret = os_snprintf(pos, end - pos, "qual=%d\n", bss->qual);
3181                 if (ret < 0 || ret >= end - pos)
3182                         return 0;
3183                 pos += ret;
3184         }
3185
3186         if (mask & WPA_BSS_MASK_NOISE) {
3187                 ret = os_snprintf(pos, end - pos, "noise=%d\n", bss->noise);
3188                 if (ret < 0 || ret >= end - pos)
3189                         return 0;
3190                 pos += ret;
3191         }
3192
3193         if (mask & WPA_BSS_MASK_LEVEL) {
3194                 ret = os_snprintf(pos, end - pos, "level=%d\n", bss->level);
3195                 if (ret < 0 || ret >= end - pos)
3196                         return 0;
3197                 pos += ret;
3198         }
3199
3200         if (mask & WPA_BSS_MASK_TSF) {
3201                 ret = os_snprintf(pos, end - pos, "tsf=%016llu\n",
3202                                   (unsigned long long) bss->tsf);
3203                 if (ret < 0 || ret >= end - pos)
3204                         return 0;
3205                 pos += ret;
3206         }
3207
3208         if (mask & WPA_BSS_MASK_AGE) {
3209                 struct os_time now;
3210
3211                 os_get_time(&now);
3212                 ret = os_snprintf(pos, end - pos, "age=%d\n",
3213                                   (int) (now.sec - bss->last_update.sec));
3214                 if (ret < 0 || ret >= end - pos)
3215                         return 0;
3216                 pos += ret;
3217         }
3218
3219         if (mask & WPA_BSS_MASK_IE) {
3220                 ret = os_snprintf(pos, end - pos, "ie=");
3221                 if (ret < 0 || ret >= end - pos)
3222                         return 0;
3223                 pos += ret;
3224
3225                 ie = (const u8 *) (bss + 1);
3226                 for (i = 0; i < bss->ie_len; i++) {
3227                         ret = os_snprintf(pos, end - pos, "%02x", *ie++);
3228                         if (ret < 0 || ret >= end - pos)
3229                                 return 0;
3230                         pos += ret;
3231                 }
3232
3233                 ret = os_snprintf(pos, end - pos, "\n");
3234                 if (ret < 0 || ret >= end - pos)
3235                         return 0;
3236                 pos += ret;
3237         }
3238
3239         if (mask & WPA_BSS_MASK_FLAGS) {
3240                 ret = os_snprintf(pos, end - pos, "flags=");
3241                 if (ret < 0 || ret >= end - pos)
3242                         return 0;
3243                 pos += ret;
3244
3245                 ie = wpa_bss_get_vendor_ie(bss, WPA_IE_VENDOR_TYPE);
3246                 if (ie)
3247                         pos = wpa_supplicant_ie_txt(pos, end, "WPA", ie,
3248                                                     2 + ie[1]);
3249                 ie2 = wpa_bss_get_ie(bss, WLAN_EID_RSN);
3250                 if (ie2)
3251                         pos = wpa_supplicant_ie_txt(pos, end, "WPA2", ie2,
3252                                                     2 + ie2[1]);
3253                 pos = wpa_supplicant_wps_ie_txt(wpa_s, pos, end, bss);
3254                 if (!ie && !ie2 && bss->caps & IEEE80211_CAP_PRIVACY) {
3255                         ret = os_snprintf(pos, end - pos, "[WEP]");
3256                         if (ret < 0 || ret >= end - pos)
3257                                 return 0;
3258                         pos += ret;
3259                 }
3260                 if (bss->caps & IEEE80211_CAP_IBSS) {
3261                         ret = os_snprintf(pos, end - pos, "[IBSS]");
3262                         if (ret < 0 || ret >= end - pos)
3263                                 return 0;
3264                         pos += ret;
3265                 }
3266                 if (bss->caps & IEEE80211_CAP_ESS) {
3267                         ret = os_snprintf(pos, end - pos, "[ESS]");
3268                         if (ret < 0 || ret >= end - pos)
3269                                 return 0;
3270                         pos += ret;
3271                 }
3272                 if (wpa_bss_get_vendor_ie(bss, P2P_IE_VENDOR_TYPE)) {
3273                         ret = os_snprintf(pos, end - pos, "[P2P]");
3274                         if (ret < 0 || ret >= end - pos)
3275                                 return 0;
3276                         pos += ret;
3277                 }
3278 #ifdef CONFIG_HS20
3279                 if (wpa_bss_get_vendor_ie(bss, HS20_IE_VENDOR_TYPE)) {
3280                         ret = os_snprintf(pos, end - pos, "[HS20]");
3281                         if (ret < 0 || ret >= end - pos)
3282                                 return 0;
3283                         pos += ret;
3284                 }
3285 #endif /* CONFIG_HS20 */
3286
3287                 ret = os_snprintf(pos, end - pos, "\n");
3288                 if (ret < 0 || ret >= end - pos)
3289                         return 0;
3290                 pos += ret;
3291         }
3292
3293         if (mask & WPA_BSS_MASK_SSID) {
3294                 ret = os_snprintf(pos, end - pos, "ssid=%s\n",
3295                                   wpa_ssid_txt(bss->ssid, bss->ssid_len));
3296                 if (ret < 0 || ret >= end - pos)
3297                         return 0;
3298                 pos += ret;
3299         }
3300
3301 #ifdef CONFIG_WPS
3302         if (mask & WPA_BSS_MASK_WPS_SCAN) {
3303                 ie = (const u8 *) (bss + 1);
3304                 ret = wpas_wps_scan_result_text(ie, bss->ie_len, pos, end);
3305                 if (ret < 0 || ret >= end - pos)
3306                         return 0;
3307                 pos += ret;
3308         }
3309 #endif /* CONFIG_WPS */
3310
3311 #ifdef CONFIG_P2P
3312         if (mask & WPA_BSS_MASK_P2P_SCAN) {
3313                 ie = (const u8 *) (bss + 1);
3314                 ret = wpas_p2p_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_P2P */
3320
3321 #ifdef CONFIG_WIFI_DISPLAY
3322         if (mask & WPA_BSS_MASK_WIFI_DISPLAY) {
3323                 struct wpabuf *wfd;
3324                 ie = (const u8 *) (bss + 1);
3325                 wfd = ieee802_11_vendor_ie_concat(ie, bss->ie_len,
3326                                                   WFD_IE_VENDOR_TYPE);
3327                 if (wfd) {
3328                         ret = os_snprintf(pos, end - pos, "wfd_subelems=");
3329                         if (ret < 0 || ret >= end - pos)
3330                                 return 0;
3331                         pos += ret;
3332
3333                         pos += wpa_snprintf_hex(pos, end - pos,
3334                                                 wpabuf_head(wfd),
3335                                                 wpabuf_len(wfd));
3336                         wpabuf_free(wfd);
3337
3338                         ret = os_snprintf(pos, end - pos, "\n");
3339                         if (ret < 0 || ret >= end - pos)
3340                                 return 0;
3341                         pos += ret;
3342                 }
3343         }
3344 #endif /* CONFIG_WIFI_DISPLAY */
3345
3346 #ifdef CONFIG_INTERWORKING
3347         if ((mask & WPA_BSS_MASK_INTERNETW) && bss->anqp) {
3348                 struct wpa_bss_anqp *anqp = bss->anqp;
3349                 pos = anqp_add_hex(pos, end, "anqp_venue_name",
3350                                    anqp->venue_name);
3351                 pos = anqp_add_hex(pos, end, "anqp_network_auth_type",
3352                                    anqp->network_auth_type);
3353                 pos = anqp_add_hex(pos, end, "anqp_roaming_consortium",
3354                                    anqp->roaming_consortium);
3355                 pos = anqp_add_hex(pos, end, "anqp_ip_addr_type_availability",
3356                                    anqp->ip_addr_type_availability);
3357                 pos = anqp_add_hex(pos, end, "anqp_nai_realm",
3358                                    anqp->nai_realm);
3359                 pos = anqp_add_hex(pos, end, "anqp_3gpp", anqp->anqp_3gpp);
3360                 pos = anqp_add_hex(pos, end, "anqp_domain_name",
3361                                    anqp->domain_name);
3362 #ifdef CONFIG_HS20
3363                 pos = anqp_add_hex(pos, end, "hs20_operator_friendly_name",
3364                                    anqp->hs20_operator_friendly_name);
3365                 pos = anqp_add_hex(pos, end, "hs20_wan_metrics",
3366                                    anqp->hs20_wan_metrics);
3367                 pos = anqp_add_hex(pos, end, "hs20_connection_capability",
3368                                    anqp->hs20_connection_capability);
3369 #endif /* CONFIG_HS20 */
3370         }
3371 #endif /* CONFIG_INTERWORKING */
3372
3373         if (mask & WPA_BSS_MASK_DELIM) {
3374                 ret = os_snprintf(pos, end - pos, "====\n");
3375                 if (ret < 0 || ret >= end - pos)
3376                         return 0;
3377                 pos += ret;
3378         }
3379
3380         return pos - buf;
3381 }
3382
3383
3384 static int wpa_supplicant_ctrl_iface_bss(struct wpa_supplicant *wpa_s,
3385                                          const char *cmd, char *buf,
3386                                          size_t buflen)
3387 {
3388         u8 bssid[ETH_ALEN];
3389         size_t i;
3390         struct wpa_bss *bss;
3391         struct wpa_bss *bsslast = NULL;
3392         struct dl_list *next;
3393         int ret = 0;
3394         int len;
3395         char *ctmp;
3396         unsigned long mask = WPA_BSS_MASK_ALL;
3397
3398         if (os_strncmp(cmd, "RANGE=", 6) == 0) {
3399                 if (os_strncmp(cmd + 6, "ALL", 3) == 0) {
3400                         bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss,
3401                                             list_id);
3402                         bsslast = dl_list_last(&wpa_s->bss_id, struct wpa_bss,
3403                                                list_id);
3404                 } else { /* N1-N2 */
3405                         unsigned int id1, id2;
3406
3407                         if ((ctmp = os_strchr(cmd + 6, '-')) == NULL) {
3408                                 wpa_printf(MSG_INFO, "Wrong BSS range "
3409                                            "format");
3410                                 return 0;
3411                         }
3412
3413                         if (*(cmd + 6) == '-')
3414                                 id1 = 0;
3415                         else
3416                                 id1 = atoi(cmd + 6);
3417                         ctmp++;
3418                         if (*ctmp >= '0' && *ctmp <= '9')
3419                                 id2 = atoi(ctmp);
3420                         else
3421                                 id2 = (unsigned int) -1;
3422                         bss = wpa_bss_get_id_range(wpa_s, id1, id2);
3423                         if (id2 == (unsigned int) -1)
3424                                 bsslast = dl_list_last(&wpa_s->bss_id,
3425                                                        struct wpa_bss,
3426                                                        list_id);
3427                         else {
3428                                 bsslast = wpa_bss_get_id(wpa_s, id2);
3429                                 if (bsslast == NULL && bss && id2 > id1) {
3430                                         struct wpa_bss *tmp = bss;
3431                                         for (;;) {
3432                                                 next = tmp->list_id.next;
3433                                                 if (next == &wpa_s->bss_id)
3434                                                         break;
3435                                                 tmp = dl_list_entry(
3436                                                         next, struct wpa_bss,
3437                                                         list_id);
3438                                                 if (tmp->id > id2)
3439                                                         break;
3440                                                 bsslast = tmp;
3441                                         }
3442                                 }
3443                         }
3444                 }
3445         } else if (os_strncmp(cmd, "FIRST", 5) == 0)
3446                 bss = dl_list_first(&wpa_s->bss_id, struct wpa_bss, list_id);
3447         else if (os_strncmp(cmd, "LAST", 4) == 0)
3448                 bss = dl_list_last(&wpa_s->bss_id, struct wpa_bss, list_id);
3449         else if (os_strncmp(cmd, "ID-", 3) == 0) {
3450                 i = atoi(cmd + 3);
3451                 bss = wpa_bss_get_id(wpa_s, i);
3452         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
3453                 i = atoi(cmd + 5);
3454                 bss = wpa_bss_get_id(wpa_s, i);
3455                 if (bss) {
3456                         next = bss->list_id.next;
3457                         if (next == &wpa_s->bss_id)
3458                                 bss = NULL;
3459                         else
3460                                 bss = dl_list_entry(next, struct wpa_bss,
3461                                                     list_id);
3462                 }
3463 #ifdef CONFIG_P2P
3464         } else if (os_strncmp(cmd, "p2p_dev_addr=", 13) == 0) {
3465                 if (hwaddr_aton(cmd + 13, bssid) == 0)
3466                         bss = wpa_bss_get_p2p_dev_addr(wpa_s, bssid);
3467                 else
3468                         bss = NULL;
3469 #endif /* CONFIG_P2P */
3470         } else if (hwaddr_aton(cmd, bssid) == 0)
3471                 bss = wpa_bss_get_bssid(wpa_s, bssid);
3472         else {
3473                 struct wpa_bss *tmp;
3474                 i = atoi(cmd);
3475                 bss = NULL;
3476                 dl_list_for_each(tmp, &wpa_s->bss_id, struct wpa_bss, list_id)
3477                 {
3478                         if (i-- == 0) {
3479                                 bss = tmp;
3480                                 break;
3481                         }
3482                 }
3483         }
3484
3485         if ((ctmp = os_strstr(cmd, "MASK=")) != NULL) {
3486                 mask = strtoul(ctmp + 5, NULL, 0x10);
3487                 if (mask == 0)
3488                         mask = WPA_BSS_MASK_ALL;
3489         }
3490
3491         if (bss == NULL)
3492                 return 0;
3493
3494         if (bsslast == NULL)
3495                 bsslast = bss;
3496         do {
3497                 len = print_bss_info(wpa_s, bss, mask, buf, buflen);
3498                 ret += len;
3499                 buf += len;
3500                 buflen -= len;
3501                 if (bss == bsslast) {
3502                         if ((mask & WPA_BSS_MASK_DELIM) && len &&
3503                             (bss == dl_list_last(&wpa_s->bss_id,
3504                                                  struct wpa_bss, list_id)))
3505                                 os_snprintf(buf - 5, 5, "####\n");
3506                         break;
3507                 }
3508                 next = bss->list_id.next;
3509                 if (next == &wpa_s->bss_id)
3510                         break;
3511                 bss = dl_list_entry(next, struct wpa_bss, list_id);
3512         } while (bss && len);
3513
3514         return ret;
3515 }
3516
3517
3518 static int wpa_supplicant_ctrl_iface_ap_scan(
3519         struct wpa_supplicant *wpa_s, char *cmd)
3520 {
3521         int ap_scan = atoi(cmd);
3522         return wpa_supplicant_set_ap_scan(wpa_s, ap_scan);
3523 }
3524
3525
3526 static int wpa_supplicant_ctrl_iface_scan_interval(
3527         struct wpa_supplicant *wpa_s, char *cmd)
3528 {
3529         int scan_int = atoi(cmd);
3530         return wpa_supplicant_set_scan_interval(wpa_s, scan_int);
3531 }
3532
3533
3534 static int wpa_supplicant_ctrl_iface_bss_expire_age(
3535         struct wpa_supplicant *wpa_s, char *cmd)
3536 {
3537         int expire_age = atoi(cmd);
3538         return wpa_supplicant_set_bss_expiration_age(wpa_s, expire_age);
3539 }
3540
3541
3542 static int wpa_supplicant_ctrl_iface_bss_expire_count(
3543         struct wpa_supplicant *wpa_s, char *cmd)
3544 {
3545         int expire_count = atoi(cmd);
3546         return wpa_supplicant_set_bss_expiration_count(wpa_s, expire_count);
3547 }
3548
3549
3550 static int wpa_supplicant_ctrl_iface_bss_flush(
3551         struct wpa_supplicant *wpa_s, char *cmd)
3552 {
3553         int flush_age = atoi(cmd);
3554
3555         if (flush_age == 0)
3556                 wpa_bss_flush(wpa_s);
3557         else
3558                 wpa_bss_flush_by_age(wpa_s, flush_age);
3559         return 0;
3560 }
3561
3562
3563 static void wpa_supplicant_ctrl_iface_drop_sa(struct wpa_supplicant *wpa_s)
3564 {
3565         wpa_printf(MSG_DEBUG, "Dropping SA without deauthentication");
3566         /* MLME-DELETEKEYS.request */
3567         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 0, 0, NULL, 0, NULL, 0);
3568         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 1, 0, NULL, 0, NULL, 0);
3569         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 2, 0, NULL, 0, NULL, 0);
3570         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 3, 0, NULL, 0, NULL, 0);
3571 #ifdef CONFIG_IEEE80211W
3572         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 4, 0, NULL, 0, NULL, 0);
3573         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, NULL, 5, 0, NULL, 0, NULL, 0);
3574 #endif /* CONFIG_IEEE80211W */
3575
3576         wpa_drv_set_key(wpa_s, WPA_ALG_NONE, wpa_s->bssid, 0, 0, NULL, 0, NULL,
3577                         0);
3578         /* MLME-SETPROTECTION.request(None) */
3579         wpa_drv_mlme_setprotection(wpa_s, wpa_s->bssid,
3580                                    MLME_SETPROTECTION_PROTECT_TYPE_NONE,
3581                                    MLME_SETPROTECTION_KEY_TYPE_PAIRWISE);
3582         wpa_sm_drop_sa(wpa_s->wpa);
3583 }
3584
3585
3586 static int wpa_supplicant_ctrl_iface_roam(struct wpa_supplicant *wpa_s,
3587                                           char *addr)
3588 {
3589 #ifdef CONFIG_NO_SCAN_PROCESSING
3590         return -1;
3591 #else /* CONFIG_NO_SCAN_PROCESSING */
3592         u8 bssid[ETH_ALEN];
3593         struct wpa_bss *bss;
3594         struct wpa_ssid *ssid = wpa_s->current_ssid;
3595
3596         if (hwaddr_aton(addr, bssid)) {
3597                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: invalid "
3598                            "address '%s'", addr);
3599                 return -1;
3600         }
3601
3602         wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM " MACSTR, MAC2STR(bssid));
3603
3604         if (!ssid) {
3605                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: No network "
3606                            "configuration known for the target AP");
3607                 return -1;
3608         }
3609
3610         bss = wpa_bss_get(wpa_s, bssid, ssid->ssid, ssid->ssid_len);
3611         if (!bss) {
3612                 wpa_printf(MSG_DEBUG, "CTRL_IFACE ROAM: Target AP not found "
3613                            "from BSS table");
3614                 return -1;
3615         }
3616
3617         /*
3618          * TODO: Find best network configuration block from configuration to
3619          * allow roaming to other networks
3620          */
3621
3622         wpa_s->reassociate = 1;
3623         wpa_supplicant_connect(wpa_s, bss, ssid);
3624
3625         return 0;
3626 #endif /* CONFIG_NO_SCAN_PROCESSING */
3627 }
3628
3629
3630 #ifdef CONFIG_P2P
3631 static int p2p_ctrl_find(struct wpa_supplicant *wpa_s, char *cmd)
3632 {
3633         unsigned int timeout = atoi(cmd);
3634         enum p2p_discovery_type type = P2P_FIND_START_WITH_FULL;
3635         u8 dev_id[ETH_ALEN], *_dev_id = NULL;
3636         char *pos;
3637         unsigned int search_delay;
3638
3639         if (os_strstr(cmd, "type=social"))
3640                 type = P2P_FIND_ONLY_SOCIAL;
3641         else if (os_strstr(cmd, "type=progressive"))
3642                 type = P2P_FIND_PROGRESSIVE;
3643
3644         pos = os_strstr(cmd, "dev_id=");
3645         if (pos) {
3646                 pos += 7;
3647                 if (hwaddr_aton(pos, dev_id))
3648                         return -1;
3649                 _dev_id = dev_id;
3650         }
3651
3652         pos = os_strstr(cmd, "delay=");
3653         if (pos) {
3654                 pos += 6;
3655                 search_delay = atoi(pos);
3656         } else
3657                 search_delay = wpas_p2p_search_delay(wpa_s);
3658
3659         return wpas_p2p_find(wpa_s, timeout, type, 0, NULL, _dev_id,
3660                              search_delay);
3661 }
3662
3663
3664 static int p2p_ctrl_connect(struct wpa_supplicant *wpa_s, char *cmd,
3665                             char *buf, size_t buflen)
3666 {
3667         u8 addr[ETH_ALEN];
3668         char *pos, *pos2;
3669         char *pin = NULL;
3670         enum p2p_wps_method wps_method;
3671         int new_pin;
3672         int ret;
3673         int persistent_group, persistent_id = -1;
3674         int join;
3675         int auth;
3676         int automatic;
3677         int go_intent = -1;
3678         int freq = 0;
3679         int pd;
3680         int ht40;
3681
3682         /* <addr> <"pbc" | "pin" | PIN> [label|display|keypad]
3683          * [persistent|persistent=<network id>]
3684          * [join] [auth] [go_intent=<0..15>] [freq=<in MHz>] [provdisc]
3685          * [ht40] */
3686
3687         if (hwaddr_aton(cmd, addr))
3688                 return -1;
3689
3690         pos = cmd + 17;
3691         if (*pos != ' ')
3692                 return -1;
3693         pos++;
3694
3695         persistent_group = os_strstr(pos, " persistent") != NULL;
3696         pos2 = os_strstr(pos, " persistent=");
3697         if (pos2) {
3698                 struct wpa_ssid *ssid;
3699                 persistent_id = atoi(pos2 + 12);
3700                 ssid = wpa_config_get_network(wpa_s->conf, persistent_id);
3701                 if (ssid == NULL || ssid->disabled != 2 ||
3702                     ssid->mode != WPAS_MODE_P2P_GO) {
3703                         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find "
3704                                    "SSID id=%d for persistent P2P group (GO)",
3705                                    persistent_id);
3706                         return -1;
3707                 }
3708         }
3709         join = os_strstr(pos, " join") != NULL;
3710         auth = os_strstr(pos, " auth") != NULL;
3711         automatic = os_strstr(pos, " auto") != NULL;
3712         pd = os_strstr(pos, " provdisc") != NULL;
3713         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
3714
3715         pos2 = os_strstr(pos, " go_intent=");
3716         if (pos2) {
3717                 pos2 += 11;
3718                 go_intent = atoi(pos2);
3719                 if (go_intent < 0 || go_intent > 15)
3720                         return -1;
3721         }
3722
3723         pos2 = os_strstr(pos, " freq=");
3724         if (pos2) {
3725                 pos2 += 6;
3726                 freq = atoi(pos2);
3727                 if (freq <= 0)
3728                         return -1;
3729         }
3730
3731         if (os_strncmp(pos, "pin", 3) == 0) {
3732                 /* Request random PIN (to be displayed) and enable the PIN */
3733                 wps_method = WPS_PIN_DISPLAY;
3734         } else if (os_strncmp(pos, "pbc", 3) == 0) {
3735                 wps_method = WPS_PBC;
3736         } else {
3737                 pin = pos;
3738                 pos = os_strchr(pin, ' ');
3739                 wps_method = WPS_PIN_KEYPAD;
3740                 if (pos) {
3741                         *pos++ = '\0';
3742                         if (os_strncmp(pos, "display", 7) == 0)
3743                                 wps_method = WPS_PIN_DISPLAY;
3744                 }
3745                 if (!wps_pin_str_valid(pin)) {
3746                         os_memcpy(buf, "FAIL-INVALID-PIN\n", 17);
3747                         return 17;
3748                 }
3749         }
3750
3751         new_pin = wpas_p2p_connect(wpa_s, addr, pin, wps_method,
3752                                    persistent_group, automatic, join,
3753                                    auth, go_intent, freq, persistent_id, pd,
3754                                    ht40);
3755         if (new_pin == -2) {
3756                 os_memcpy(buf, "FAIL-CHANNEL-UNAVAILABLE\n", 25);
3757                 return 25;
3758         }
3759         if (new_pin == -3) {
3760                 os_memcpy(buf, "FAIL-CHANNEL-UNSUPPORTED\n", 25);
3761                 return 25;
3762         }
3763         if (new_pin < 0)
3764                 return -1;
3765         if (wps_method == WPS_PIN_DISPLAY && pin == NULL) {
3766                 ret = os_snprintf(buf, buflen, "%08d", new_pin);
3767                 if (ret < 0 || (size_t) ret >= buflen)
3768                         return -1;
3769                 return ret;
3770         }
3771
3772         os_memcpy(buf, "OK\n", 3);
3773         return 3;
3774 }
3775
3776
3777 static int p2p_ctrl_listen(struct wpa_supplicant *wpa_s, char *cmd)
3778 {
3779         unsigned int timeout = atoi(cmd);
3780         return wpas_p2p_listen(wpa_s, timeout);
3781 }
3782
3783
3784 static int p2p_ctrl_prov_disc(struct wpa_supplicant *wpa_s, char *cmd)
3785 {
3786         u8 addr[ETH_ALEN];
3787         char *pos;
3788         enum wpas_p2p_prov_disc_use use = WPAS_P2P_PD_FOR_GO_NEG;
3789
3790         /* <addr> <config method> [join|auto] */
3791
3792         if (hwaddr_aton(cmd, addr))
3793                 return -1;
3794
3795         pos = cmd + 17;
3796         if (*pos != ' ')
3797                 return -1;
3798         pos++;
3799
3800         if (os_strstr(pos, " join") != NULL)
3801                 use = WPAS_P2P_PD_FOR_JOIN;
3802         else if (os_strstr(pos, " auto") != NULL)
3803                 use = WPAS_P2P_PD_AUTO;
3804
3805         return wpas_p2p_prov_disc(wpa_s, addr, pos, use);
3806 }
3807
3808
3809 static int p2p_get_passphrase(struct wpa_supplicant *wpa_s, char *buf,
3810                               size_t buflen)
3811 {
3812         struct wpa_ssid *ssid = wpa_s->current_ssid;
3813
3814         if (ssid == NULL || ssid->mode != WPAS_MODE_P2P_GO ||
3815             ssid->passphrase == NULL)
3816                 return -1;
3817
3818         os_strlcpy(buf, ssid->passphrase, buflen);
3819         return os_strlen(buf);
3820 }
3821
3822
3823 static int p2p_ctrl_serv_disc_req(struct wpa_supplicant *wpa_s, char *cmd,
3824                                   char *buf, size_t buflen)
3825 {
3826         u64 ref;
3827         int res;
3828         u8 dst_buf[ETH_ALEN], *dst;
3829         struct wpabuf *tlvs;
3830         char *pos;
3831         size_t len;
3832
3833         if (hwaddr_aton(cmd, dst_buf))
3834                 return -1;
3835         dst = dst_buf;
3836         if (dst[0] == 0 && dst[1] == 0 && dst[2] == 0 &&
3837             dst[3] == 0 && dst[4] == 0 && dst[5] == 0)
3838                 dst = NULL;
3839         pos = cmd + 17;
3840         if (*pos != ' ')
3841                 return -1;
3842         pos++;
3843
3844         if (os_strncmp(pos, "upnp ", 5) == 0) {
3845                 u8 version;
3846                 pos += 5;
3847                 if (hexstr2bin(pos, &version, 1) < 0)
3848                         return -1;
3849                 pos += 2;
3850                 if (*pos != ' ')
3851                         return -1;
3852                 pos++;
3853                 ref = wpas_p2p_sd_request_upnp(wpa_s, dst, version, pos);
3854 #ifdef CONFIG_WIFI_DISPLAY
3855         } else if (os_strncmp(pos, "wifi-display ", 13) == 0) {
3856                 ref = wpas_p2p_sd_request_wifi_display(wpa_s, dst, pos + 13);
3857 #endif /* CONFIG_WIFI_DISPLAY */
3858         } else {
3859                 len = os_strlen(pos);
3860                 if (len & 1)
3861                         return -1;
3862                 len /= 2;
3863                 tlvs = wpabuf_alloc(len);
3864                 if (tlvs == NULL)
3865                         return -1;
3866                 if (hexstr2bin(pos, wpabuf_put(tlvs, len), len) < 0) {
3867                         wpabuf_free(tlvs);
3868                         return -1;
3869                 }
3870
3871                 ref = wpas_p2p_sd_request(wpa_s, dst, tlvs);
3872                 wpabuf_free(tlvs);
3873         }
3874         if (ref == 0)
3875                 return -1;
3876         res = os_snprintf(buf, buflen, "%llx", (long long unsigned) ref);
3877         if (res < 0 || (unsigned) res >= buflen)
3878                 return -1;
3879         return res;
3880 }
3881
3882
3883 static int p2p_ctrl_serv_disc_cancel_req(struct wpa_supplicant *wpa_s,
3884                                          char *cmd)
3885 {
3886         long long unsigned val;
3887         u64 req;
3888         if (sscanf(cmd, "%llx", &val) != 1)
3889                 return -1;
3890         req = val;
3891         return wpas_p2p_sd_cancel_request(wpa_s, req);
3892 }
3893
3894
3895 static int p2p_ctrl_serv_disc_resp(struct wpa_supplicant *wpa_s, char *cmd)
3896 {
3897         int freq;
3898         u8 dst[ETH_ALEN];
3899         u8 dialog_token;
3900         struct wpabuf *resp_tlvs;
3901         char *pos, *pos2;
3902         size_t len;
3903
3904         pos = os_strchr(cmd, ' ');
3905         if (pos == NULL)
3906                 return -1;
3907         *pos++ = '\0';
3908         freq = atoi(cmd);
3909         if (freq == 0)
3910                 return -1;
3911
3912         if (hwaddr_aton(pos, dst))
3913                 return -1;
3914         pos += 17;
3915         if (*pos != ' ')
3916                 return -1;
3917         pos++;
3918
3919         pos2 = os_strchr(pos, ' ');
3920         if (pos2 == NULL)
3921                 return -1;
3922         *pos2++ = '\0';
3923         dialog_token = atoi(pos);
3924
3925         len = os_strlen(pos2);
3926         if (len & 1)
3927                 return -1;
3928         len /= 2;
3929         resp_tlvs = wpabuf_alloc(len);
3930         if (resp_tlvs == NULL)
3931                 return -1;
3932         if (hexstr2bin(pos2, wpabuf_put(resp_tlvs, len), len) < 0) {
3933                 wpabuf_free(resp_tlvs);
3934                 return -1;
3935         }
3936
3937         wpas_p2p_sd_response(wpa_s, freq, dst, dialog_token, resp_tlvs);
3938         wpabuf_free(resp_tlvs);
3939         return 0;
3940 }
3941
3942
3943 static int p2p_ctrl_serv_disc_external(struct wpa_supplicant *wpa_s,
3944                                        char *cmd)
3945 {
3946         if (os_strcmp(cmd, "0") && os_strcmp(cmd, "1"))
3947                 return -1;
3948         wpa_s->p2p_sd_over_ctrl_iface = atoi(cmd);
3949         return 0;
3950 }
3951
3952
3953 static int p2p_ctrl_service_add_bonjour(struct wpa_supplicant *wpa_s,
3954                                         char *cmd)
3955 {
3956         char *pos;
3957         size_t len;
3958         struct wpabuf *query, *resp;
3959
3960         pos = os_strchr(cmd, ' ');
3961         if (pos == NULL)
3962                 return -1;
3963         *pos++ = '\0';
3964
3965         len = os_strlen(cmd);
3966         if (len & 1)
3967                 return -1;
3968         len /= 2;
3969         query = wpabuf_alloc(len);
3970         if (query == NULL)
3971                 return -1;
3972         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
3973                 wpabuf_free(query);
3974                 return -1;
3975         }
3976
3977         len = os_strlen(pos);
3978         if (len & 1) {
3979                 wpabuf_free(query);
3980                 return -1;
3981         }
3982         len /= 2;
3983         resp = wpabuf_alloc(len);
3984         if (resp == NULL) {
3985                 wpabuf_free(query);
3986                 return -1;
3987         }
3988         if (hexstr2bin(pos, wpabuf_put(resp, len), len) < 0) {
3989                 wpabuf_free(query);
3990                 wpabuf_free(resp);
3991                 return -1;
3992         }
3993
3994         if (wpas_p2p_service_add_bonjour(wpa_s, query, resp) < 0) {
3995                 wpabuf_free(query);
3996                 wpabuf_free(resp);
3997                 return -1;
3998         }
3999         return 0;
4000 }
4001
4002
4003 static int p2p_ctrl_service_add_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4004 {
4005         char *pos;
4006         u8 version;
4007
4008         pos = os_strchr(cmd, ' ');
4009         if (pos == NULL)
4010                 return -1;
4011         *pos++ = '\0';
4012
4013         if (hexstr2bin(cmd, &version, 1) < 0)
4014                 return -1;
4015
4016         return wpas_p2p_service_add_upnp(wpa_s, version, pos);
4017 }
4018
4019
4020 static int p2p_ctrl_service_add(struct wpa_supplicant *wpa_s, char *cmd)
4021 {
4022         char *pos;
4023
4024         pos = os_strchr(cmd, ' ');
4025         if (pos == NULL)
4026                 return -1;
4027         *pos++ = '\0';
4028
4029         if (os_strcmp(cmd, "bonjour") == 0)
4030                 return p2p_ctrl_service_add_bonjour(wpa_s, pos);
4031         if (os_strcmp(cmd, "upnp") == 0)
4032                 return p2p_ctrl_service_add_upnp(wpa_s, pos);
4033         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4034         return -1;
4035 }
4036
4037
4038 static int p2p_ctrl_service_del_bonjour(struct wpa_supplicant *wpa_s,
4039                                         char *cmd)
4040 {
4041         size_t len;
4042         struct wpabuf *query;
4043         int ret;
4044
4045         len = os_strlen(cmd);
4046         if (len & 1)
4047                 return -1;
4048         len /= 2;
4049         query = wpabuf_alloc(len);
4050         if (query == NULL)
4051                 return -1;
4052         if (hexstr2bin(cmd, wpabuf_put(query, len), len) < 0) {
4053                 wpabuf_free(query);
4054                 return -1;
4055         }
4056
4057         ret = wpas_p2p_service_del_bonjour(wpa_s, query);
4058         wpabuf_free(query);
4059         return ret;
4060 }
4061
4062
4063 static int p2p_ctrl_service_del_upnp(struct wpa_supplicant *wpa_s, char *cmd)
4064 {
4065         char *pos;
4066         u8 version;
4067
4068         pos = os_strchr(cmd, ' ');
4069         if (pos == NULL)
4070                 return -1;
4071         *pos++ = '\0';
4072
4073         if (hexstr2bin(cmd, &version, 1) < 0)
4074                 return -1;
4075
4076         return wpas_p2p_service_del_upnp(wpa_s, version, pos);
4077 }
4078
4079
4080 static int p2p_ctrl_service_del(struct wpa_supplicant *wpa_s, char *cmd)
4081 {
4082         char *pos;
4083
4084         pos = os_strchr(cmd, ' ');
4085         if (pos == NULL)
4086                 return -1;
4087         *pos++ = '\0';
4088
4089         if (os_strcmp(cmd, "bonjour") == 0)
4090                 return p2p_ctrl_service_del_bonjour(wpa_s, pos);
4091         if (os_strcmp(cmd, "upnp") == 0)
4092                 return p2p_ctrl_service_del_upnp(wpa_s, pos);
4093         wpa_printf(MSG_DEBUG, "Unknown service '%s'", cmd);
4094         return -1;
4095 }
4096
4097
4098 static int p2p_ctrl_reject(struct wpa_supplicant *wpa_s, char *cmd)
4099 {
4100         u8 addr[ETH_ALEN];
4101
4102         /* <addr> */
4103
4104         if (hwaddr_aton(cmd, addr))
4105                 return -1;
4106
4107         return wpas_p2p_reject(wpa_s, addr);
4108 }
4109
4110
4111 static int p2p_ctrl_invite_persistent(struct wpa_supplicant *wpa_s, char *cmd)
4112 {
4113         char *pos;
4114         int id;
4115         struct wpa_ssid *ssid;
4116         u8 *_peer = NULL, peer[ETH_ALEN];
4117         int freq = 0, pref_freq = 0;
4118         int ht40;
4119
4120         id = atoi(cmd);
4121         pos = os_strstr(cmd, " peer=");
4122         if (pos) {
4123                 pos += 6;
4124                 if (hwaddr_aton(pos, peer))
4125                         return -1;
4126                 _peer = peer;
4127         }
4128         ssid = wpa_config_get_network(wpa_s->conf, id);
4129         if (ssid == NULL || ssid->disabled != 2) {
4130                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4131                            "for persistent P2P group",
4132                            id);
4133                 return -1;
4134         }
4135
4136         pos = os_strstr(cmd, " freq=");
4137         if (pos) {
4138                 pos += 6;
4139                 freq = atoi(pos);
4140                 if (freq <= 0)
4141                         return -1;
4142         }
4143
4144         pos = os_strstr(cmd, " pref=");
4145         if (pos) {
4146                 pos += 6;
4147                 pref_freq = atoi(pos);
4148                 if (pref_freq <= 0)
4149                         return -1;
4150         }
4151
4152         ht40 = (os_strstr(cmd, " ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4153
4154         return wpas_p2p_invite(wpa_s, _peer, ssid, NULL, freq, ht40, pref_freq);
4155 }
4156
4157
4158 static int p2p_ctrl_invite_group(struct wpa_supplicant *wpa_s, char *cmd)
4159 {
4160         char *pos;
4161         u8 peer[ETH_ALEN], go_dev_addr[ETH_ALEN], *go_dev = NULL;
4162
4163         pos = os_strstr(cmd, " peer=");
4164         if (!pos)
4165                 return -1;
4166
4167         *pos = '\0';
4168         pos += 6;
4169         if (hwaddr_aton(pos, peer)) {
4170                 wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'", pos);
4171                 return -1;
4172         }
4173
4174         pos = os_strstr(pos, " go_dev_addr=");
4175         if (pos) {
4176                 pos += 13;
4177                 if (hwaddr_aton(pos, go_dev_addr)) {
4178                         wpa_printf(MSG_DEBUG, "P2P: Invalid MAC address '%s'",
4179                                    pos);
4180                         return -1;
4181                 }
4182                 go_dev = go_dev_addr;
4183         }
4184
4185         return wpas_p2p_invite_group(wpa_s, cmd, peer, go_dev);
4186 }
4187
4188
4189 static int p2p_ctrl_invite(struct wpa_supplicant *wpa_s, char *cmd)
4190 {
4191         if (os_strncmp(cmd, "persistent=", 11) == 0)
4192                 return p2p_ctrl_invite_persistent(wpa_s, cmd + 11);
4193         if (os_strncmp(cmd, "group=", 6) == 0)
4194                 return p2p_ctrl_invite_group(wpa_s, cmd + 6);
4195
4196         return -1;
4197 }
4198
4199
4200 static int p2p_ctrl_group_add_persistent(struct wpa_supplicant *wpa_s,
4201                                          char *cmd, int freq, int ht40)
4202 {
4203         int id;
4204         struct wpa_ssid *ssid;
4205
4206         id = atoi(cmd);
4207         ssid = wpa_config_get_network(wpa_s->conf, id);
4208         if (ssid == NULL || ssid->disabled != 2) {
4209                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: Could not find SSID id=%d "
4210                            "for persistent P2P group",
4211                            id);
4212                 return -1;
4213         }
4214
4215         return wpas_p2p_group_add_persistent(wpa_s, ssid, 0, freq, ht40, NULL);
4216 }
4217
4218
4219 static int p2p_ctrl_group_add(struct wpa_supplicant *wpa_s, char *cmd)
4220 {
4221         int freq = 0, ht40;
4222         char *pos;
4223
4224         pos = os_strstr(cmd, "freq=");
4225         if (pos)
4226                 freq = atoi(pos + 5);
4227
4228         ht40 = (os_strstr(cmd, "ht40") != NULL) || wpa_s->conf->p2p_go_ht40;
4229
4230         if (os_strncmp(cmd, "persistent=", 11) == 0)
4231                 return p2p_ctrl_group_add_persistent(wpa_s, cmd + 11, freq,
4232                                                      ht40);
4233         if (os_strcmp(cmd, "persistent") == 0 ||
4234             os_strncmp(cmd, "persistent ", 11) == 0)
4235                 return wpas_p2p_group_add(wpa_s, 1, freq, ht40);
4236         if (os_strncmp(cmd, "freq=", 5) == 0)
4237                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4238         if (ht40)
4239                 return wpas_p2p_group_add(wpa_s, 0, freq, ht40);
4240
4241         wpa_printf(MSG_DEBUG, "CTRL: Invalid P2P_GROUP_ADD parameters '%s'",
4242                    cmd);
4243         return -1;
4244 }
4245
4246
4247 static int p2p_ctrl_peer(struct wpa_supplicant *wpa_s, char *cmd,
4248                          char *buf, size_t buflen)
4249 {
4250         u8 addr[ETH_ALEN], *addr_ptr;
4251         int next, res;
4252         const struct p2p_peer_info *info;
4253         char *pos, *end;
4254         char devtype[WPS_DEV_TYPE_BUFSIZE];
4255         struct wpa_ssid *ssid;
4256         size_t i;
4257
4258         if (!wpa_s->global->p2p)
4259                 return -1;
4260
4261         if (os_strcmp(cmd, "FIRST") == 0) {
4262                 addr_ptr = NULL;
4263                 next = 0;
4264         } else if (os_strncmp(cmd, "NEXT-", 5) == 0) {
4265                 if (hwaddr_aton(cmd + 5, addr) < 0)
4266                         return -1;
4267                 addr_ptr = addr;
4268                 next = 1;
4269         } else {
4270                 if (hwaddr_aton(cmd, addr) < 0)
4271                         return -1;
4272                 addr_ptr = addr;
4273                 next = 0;
4274         }
4275
4276         info = p2p_get_peer_info(wpa_s->global->p2p, addr_ptr, next);
4277         if (info == NULL)
4278                 return -1;
4279
4280         pos = buf;
4281         end = buf + buflen;
4282
4283         res = os_snprintf(pos, end - pos, MACSTR "\n"
4284                           "pri_dev_type=%s\n"
4285                           "device_name=%s\n"
4286                           "manufacturer=%s\n"
4287                           "model_name=%s\n"
4288                           "model_number=%s\n"
4289                           "serial_number=%s\n"
4290                           "config_methods=0x%x\n"
4291                           "dev_capab=0x%x\n"
4292                           "group_capab=0x%x\n"
4293                           "level=%d\n",
4294                           MAC2STR(info->p2p_device_addr),
4295                           wps_dev_type_bin2str(info->pri_dev_type,
4296                                                devtype, sizeof(devtype)),
4297                           info->device_name,
4298                           info->manufacturer,
4299                           info->model_name,
4300                           info->model_number,
4301                           info->serial_number,
4302                           info->config_methods,
4303                           info->dev_capab,
4304                           info->group_capab,
4305                           info->level);
4306         if (res < 0 || res >= end - pos)
4307                 return pos - buf;
4308         pos += res;
4309
4310         for (i = 0; i < info->wps_sec_dev_type_list_len / WPS_DEV_TYPE_LEN; i++)
4311         {
4312                 const u8 *t;
4313                 t = &info->wps_sec_dev_type_list[i * WPS_DEV_TYPE_LEN];
4314                 res = os_snprintf(pos, end - pos, "sec_dev_type=%s\n",
4315                                   wps_dev_type_bin2str(t, devtype,
4316                                                        sizeof(devtype)));
4317                 if (res < 0 || res >= end - pos)
4318                         return pos - buf;
4319                 pos += res;
4320         }
4321
4322         ssid = wpas_p2p_get_persistent(wpa_s, info->p2p_device_addr, NULL, 0);
4323         if (ssid) {
4324                 res = os_snprintf(pos, end - pos, "persistent=%d\n", ssid->id);
4325                 if (res < 0 || res >= end - pos)
4326                         return pos - buf;
4327                 pos += res;
4328         }
4329
4330         res = p2p_get_peer_info_txt(info, pos, end - pos);
4331         if (res < 0)
4332                 return pos - buf;
4333         pos += res;
4334
4335         return pos - buf;
4336 }
4337
4338
4339 static int p2p_ctrl_disallow_freq(struct wpa_supplicant *wpa_s,
4340                                   const char *param)
4341 {
4342         struct wpa_freq_range *freq = NULL, *n;
4343         unsigned int count = 0, i;
4344         const char *pos, *pos2, *pos3;
4345
4346         if (wpa_s->global->p2p == NULL)
4347                 return -1;
4348
4349         /*
4350          * param includes comma separated frequency range.
4351          * For example: 2412-2432,2462,5000-6000
4352          */
4353         pos = param;
4354         while (pos && pos[0]) {
4355                 n = os_realloc_array(freq, count + 1,
4356                                      sizeof(struct wpa_freq_range));
4357                 if (n == NULL) {
4358                         os_free(freq);
4359                         return -1;
4360                 }
4361                 freq = n;
4362                 freq[count].min = atoi(pos);
4363                 pos2 = os_strchr(pos, '-');
4364                 pos3 = os_strchr(pos, ',');
4365                 if (pos2 && (!pos3 || pos2 < pos3)) {
4366                         pos2++;
4367                         freq[count].max = atoi(pos2);
4368                 } else
4369                         freq[count].max = freq[count].min;
4370                 pos = pos3;
4371                 if (pos)
4372                         pos++;
4373                 count++;
4374         }
4375
4376         for (i = 0; i < count; i++) {
4377                 wpa_printf(MSG_DEBUG, "P2P: Disallowed frequency range %u-%u",
4378                            freq[i].min, freq[i].max);
4379         }
4380
4381         os_free(wpa_s->global->p2p_disallow_freq);
4382         wpa_s->global->p2p_disallow_freq = freq;
4383         wpa_s->global->num_p2p_disallow_freq = count;
4384         wpas_p2p_update_channel_list(wpa_s);
4385         return 0;
4386 }
4387
4388
4389 static int p2p_ctrl_set(struct wpa_supplicant *wpa_s, char *cmd)
4390 {
4391         char *param;
4392
4393         if (wpa_s->global->p2p == NULL)
4394                 return -1;
4395
4396         param = os_strchr(cmd, ' ');
4397         if (param == NULL)
4398                 return -1;
4399         *param++ = '\0';
4400
4401         if (os_strcmp(cmd, "discoverability") == 0) {
4402                 p2p_set_client_discoverability(wpa_s->global->p2p,
4403                                                atoi(param));
4404                 return 0;
4405         }
4406
4407         if (os_strcmp(cmd, "managed") == 0) {
4408                 p2p_set_managed_oper(wpa_s->global->p2p, atoi(param));
4409                 return 0;
4410         }
4411
4412         if (os_strcmp(cmd, "listen_channel") == 0) {
4413                 return p2p_set_listen_channel(wpa_s->global->p2p, 81,
4414                                               atoi(param));
4415         }
4416
4417         if (os_strcmp(cmd, "ssid_postfix") == 0) {
4418                 return p2p_set_ssid_postfix(wpa_s->global->p2p, (u8 *) param,
4419                                             os_strlen(param));
4420         }
4421
4422         if (os_strcmp(cmd, "noa") == 0) {
4423                 char *pos;
4424                 int count, start, duration;
4425                 /* GO NoA parameters: count,start_offset(ms),duration(ms) */
4426                 count = atoi(param);
4427                 pos = os_strchr(param, ',');
4428                 if (pos == NULL)
4429                         return -1;
4430                 pos++;
4431                 start = atoi(pos);
4432                 pos = os_strchr(pos, ',');
4433                 if (pos == NULL)
4434                         return -1;
4435                 pos++;
4436                 duration = atoi(pos);
4437                 if (count < 0 || count > 255 || start < 0 || duration < 0)
4438                         return -1;
4439                 if (count == 0 && duration > 0)
4440                         return -1;
4441                 wpa_printf(MSG_DEBUG, "CTRL_IFACE: P2P_SET GO NoA: count=%d "
4442                            "start=%d duration=%d", count, start, duration);
4443                 return wpas_p2p_set_noa(wpa_s, count, start, duration);
4444         }
4445
4446         if (os_strcmp(cmd, "ps") == 0)
4447                 return wpa_drv_set_p2p_powersave(wpa_s, atoi(param), -1, -1);
4448
4449         if (os_strcmp(cmd, "oppps") == 0)
4450                 return wpa_drv_set_p2p_powersave(wpa_s, -1, atoi(param), -1);
4451
4452         if (os_strcmp(cmd, "ctwindow") == 0)
4453                 return wpa_drv_set_p2p_powersave(wpa_s, -1, -1, atoi(param));
4454
4455         if (os_strcmp(cmd, "disabled") == 0) {
4456                 wpa_s->global->p2p_disabled = atoi(param);
4457                 wpa_printf(MSG_DEBUG, "P2P functionality %s",
4458                            wpa_s->global->p2p_disabled ?
4459                            "disabled" : "enabled");
4460                 if (wpa_s->global->p2p_disabled) {
4461                         wpas_p2p_stop_find(wpa_s);
4462                         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4463                         p2p_flush(wpa_s->global->p2p);
4464                 }
4465                 return 0;
4466         }
4467
4468         if (os_strcmp(cmd, "conc_pref") == 0) {
4469                 if (os_strcmp(param, "sta") == 0)
4470                         wpa_s->global->conc_pref = WPA_CONC_PREF_STA;
4471                 else if (os_strcmp(param, "p2p") == 0)
4472                         wpa_s->global->conc_pref = WPA_CONC_PREF_P2P;
4473                 else {
4474                         wpa_printf(MSG_INFO, "Invalid conc_pref value");
4475                         return -1;
4476                 }
4477                 wpa_printf(MSG_DEBUG, "Single channel concurrency preference: "
4478                            "%s", param);
4479                 return 0;
4480         }
4481
4482         if (os_strcmp(cmd, "force_long_sd") == 0) {
4483                 wpa_s->force_long_sd = atoi(param);
4484                 return 0;
4485         }
4486
4487         if (os_strcmp(cmd, "peer_filter") == 0) {
4488                 u8 addr[ETH_ALEN];
4489                 if (hwaddr_aton(param, addr))
4490                         return -1;
4491                 p2p_set_peer_filter(wpa_s->global->p2p, addr);
4492                 return 0;
4493         }
4494
4495         if (os_strcmp(cmd, "cross_connect") == 0)
4496                 return wpas_p2p_set_cross_connect(wpa_s, atoi(param));
4497
4498         if (os_strcmp(cmd, "go_apsd") == 0) {
4499                 if (os_strcmp(param, "disable") == 0)
4500                         wpa_s->set_ap_uapsd = 0;
4501                 else {
4502                         wpa_s->set_ap_uapsd = 1;
4503                         wpa_s->ap_uapsd = atoi(param);
4504                 }
4505                 return 0;
4506         }
4507
4508         if (os_strcmp(cmd, "client_apsd") == 0) {
4509                 if (os_strcmp(param, "disable") == 0)
4510                         wpa_s->set_sta_uapsd = 0;
4511                 else {
4512                         int be, bk, vi, vo;
4513                         char *pos;
4514                         /* format: BE,BK,VI,VO;max SP Length */
4515                         be = atoi(param);
4516                         pos = os_strchr(param, ',');
4517                         if (pos == NULL)
4518                                 return -1;
4519                         pos++;
4520                         bk = atoi(pos);
4521                         pos = os_strchr(pos, ',');
4522                         if (pos == NULL)
4523                                 return -1;
4524                         pos++;
4525                         vi = atoi(pos);
4526                         pos = os_strchr(pos, ',');
4527                         if (pos == NULL)
4528                                 return -1;
4529                         pos++;
4530                         vo = atoi(pos);
4531                         /* ignore max SP Length for now */
4532
4533                         wpa_s->set_sta_uapsd = 1;
4534                         wpa_s->sta_uapsd = 0;
4535                         if (be)
4536                                 wpa_s->sta_uapsd |= BIT(0);
4537                         if (bk)
4538                                 wpa_s->sta_uapsd |= BIT(1);
4539                         if (vi)
4540                                 wpa_s->sta_uapsd |= BIT(2);
4541                         if (vo)
4542                                 wpa_s->sta_uapsd |= BIT(3);
4543                 }
4544                 return 0;
4545         }
4546
4547         if (os_strcmp(cmd, "disallow_freq") == 0)
4548                 return p2p_ctrl_disallow_freq(wpa_s, param);
4549
4550         if (os_strcmp(cmd, "disc_int") == 0) {
4551                 int min_disc_int, max_disc_int, max_disc_tu;
4552                 char *pos;
4553
4554                 pos = param;
4555
4556                 min_disc_int = atoi(pos);
4557                 pos = os_strchr(pos, ' ');
4558                 if (pos == NULL)
4559                         return -1;
4560                 *pos++ = '\0';
4561
4562                 max_disc_int = atoi(pos);
4563                 pos = os_strchr(pos, ' ');
4564                 if (pos == NULL)
4565                         return -1;
4566                 *pos++ = '\0';
4567
4568                 max_disc_tu = atoi(pos);
4569
4570                 return p2p_set_disc_int(wpa_s->global->p2p, min_disc_int,
4571                                         max_disc_int, max_disc_tu);
4572         }
4573
4574         wpa_printf(MSG_DEBUG, "CTRL_IFACE: Unknown P2P_SET field value '%s'",
4575                    cmd);
4576
4577         return -1;
4578 }
4579
4580
4581 static void p2p_ctrl_flush(struct wpa_supplicant *wpa_s)
4582 {
4583         os_memset(wpa_s->p2p_auth_invite, 0, ETH_ALEN);
4584         wpa_s->force_long_sd = 0;
4585         if (wpa_s->global->p2p)
4586                 p2p_flush(wpa_s->global->p2p);
4587 }
4588
4589
4590 static int p2p_ctrl_presence_req(struct wpa_supplicant *wpa_s, char *cmd)
4591 {
4592         char *pos, *pos2;
4593         unsigned int dur1 = 0, int1 = 0, dur2 = 0, int2 = 0;
4594
4595         if (cmd[0]) {
4596                 pos = os_strchr(cmd, ' ');
4597                 if (pos == NULL)
4598                         return -1;
4599                 *pos++ = '\0';
4600                 dur1 = atoi(cmd);
4601
4602                 pos2 = os_strchr(pos, ' ');
4603                 if (pos2)
4604                         *pos2++ = '\0';
4605                 int1 = atoi(pos);
4606         } else
4607                 pos2 = NULL;
4608
4609         if (pos2) {
4610                 pos = os_strchr(pos2, ' ');
4611                 if (pos == NULL)
4612                         return -1;
4613                 *pos++ = '\0';
4614                 dur2 = atoi(pos2);
4615                 int2 = atoi(pos);
4616         }
4617
4618         return wpas_p2p_presence_req(wpa_s, dur1, int1, dur2, int2);
4619 }
4620
4621
4622 static int p2p_ctrl_ext_listen(struct wpa_supplicant *wpa_s, char *cmd)
4623 {
4624         char *pos;
4625         unsigned int period = 0, interval = 0;
4626
4627         if (cmd[0]) {
4628                 pos = os_strchr(cmd, ' ');
4629                 if (pos == NULL)
4630                         return -1;
4631                 *pos++ = '\0';
4632                 period = atoi(cmd);
4633                 interval = atoi(pos);
4634         }
4635
4636         return wpas_p2p_ext_listen(wpa_s, period, interval);
4637 }
4638
4639 #endif /* CONFIG_P2P */
4640
4641
4642 #ifdef CONFIG_INTERWORKING
4643 static int ctrl_interworking_connect(struct wpa_supplicant *wpa_s, char *dst)
4644 {
4645         u8 bssid[ETH_ALEN];
4646         struct wpa_bss *bss;
4647
4648         if (hwaddr_aton(dst, bssid)) {
4649                 wpa_printf(MSG_DEBUG, "Invalid BSSID '%s'", dst);
4650                 return -1;
4651         }
4652
4653         bss = wpa_bss_get_bssid(wpa_s, bssid);
4654         if (bss == NULL) {
4655                 wpa_printf(MSG_DEBUG, "Could not find BSS " MACSTR,
4656                            MAC2STR(bssid));
4657                 return -1;
4658         }
4659
4660         return interworking_connect(wpa_s, bss);
4661 }
4662
4663
4664 static int get_anqp(struct wpa_supplicant *wpa_s, char *dst)
4665 {
4666         u8 dst_addr[ETH_ALEN];
4667         int used;
4668         char *pos;
4669 #define MAX_ANQP_INFO_ID 100
4670         u16 id[MAX_ANQP_INFO_ID];
4671         size_t num_id = 0;
4672
4673         used = hwaddr_aton2(dst, dst_addr);
4674         if (used < 0)
4675                 return -1;
4676         pos = dst + used;
4677         while (num_id < MAX_ANQP_INFO_ID) {
4678                 id[num_id] = atoi(pos);
4679                 if (id[num_id])
4680                         num_id++;
4681                 pos = os_strchr(pos + 1, ',');
4682                 if (pos == NULL)
4683                         break;
4684                 pos++;
4685         }
4686
4687         if (num_id == 0)
4688                 return -1;
4689
4690         return anqp_send_req(wpa_s, dst_addr, id, num_id);
4691 }
4692
4693
4694 static int gas_request(struct wpa_supplicant *wpa_s, char *cmd)
4695 {
4696         u8 dst_addr[ETH_ALEN];
4697         struct wpabuf *advproto, *query = NULL;
4698         int used, ret = -1;
4699         char *pos, *end;
4700         size_t len;
4701
4702         used = hwaddr_aton2(cmd, dst_addr);
4703         if (used < 0)
4704                 return -1;
4705
4706         pos = cmd + used;
4707         while (*pos == ' ')
4708                 pos++;
4709
4710         /* Advertisement Protocol ID */
4711         end = os_strchr(pos, ' ');
4712         if (end)
4713                 len = end - pos;
4714         else
4715                 len = os_strlen(pos);
4716         if (len & 0x01)
4717                 return -1;
4718         len /= 2;
4719         if (len == 0)
4720                 return -1;
4721         advproto = wpabuf_alloc(len);
4722         if (advproto == NULL)
4723                 return -1;
4724         if (hexstr2bin(pos, wpabuf_put(advproto, len), len) < 0)
4725                 goto fail;
4726
4727         if (end) {
4728                 /* Optional Query Request */
4729                 pos = end + 1;
4730                 while (*pos == ' ')
4731                         pos++;
4732
4733                 len = os_strlen(pos);
4734                 if (len) {
4735                         if (len & 0x01)
4736                                 goto fail;
4737                         len /= 2;
4738                         if (len == 0)
4739                                 goto fail;
4740                         query = wpabuf_alloc(len);
4741                         if (query == NULL)
4742                                 goto fail;
4743                         if (hexstr2bin(pos, wpabuf_put(query, len), len) < 0)
4744                                 goto fail;
4745                 }
4746         }
4747
4748         ret = gas_send_request(wpa_s, dst_addr, advproto, query);
4749
4750 fail:
4751         wpabuf_free(advproto);
4752         wpabuf_free(query);
4753
4754         return ret;
4755 }
4756
4757
4758 static int gas_response_get(struct wpa_supplicant *wpa_s, char *cmd, char *buf,
4759                             size_t buflen)
4760 {
4761         u8 addr[ETH_ALEN];
4762         int dialog_token;
4763         int used;
4764         char *pos;
4765         size_t resp_len, start, requested_len;
4766
4767         if (!wpa_s->last_gas_resp)
4768                 return -1;
4769
4770         used = hwaddr_aton2(cmd, addr);
4771         if (used < 0)
4772                 return -1;
4773
4774         pos = cmd + used;
4775         while (*pos == ' ')
4776                 pos++;
4777         dialog_token = atoi(pos);
4778
4779         if (os_memcmp(addr, wpa_s->last_gas_addr, ETH_ALEN) != 0 ||
4780             dialog_token != wpa_s->last_gas_dialog_token)
4781                 return -1;
4782
4783         resp_len = wpabuf_len(wpa_s->last_gas_resp);
4784         start = 0;
4785         requested_len = resp_len;
4786
4787         pos = os_strchr(pos, ' ');
4788         if (pos) {
4789                 start = atoi(pos);
4790                 if (start > resp_len)
4791                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4792                 pos = os_strchr(pos, ',');
4793                 if (pos == NULL)
4794                         return -1;
4795                 pos++;
4796                 requested_len = atoi(pos);
4797                 if (start + requested_len > resp_len)
4798                         return os_snprintf(buf, buflen, "FAIL-Invalid range");
4799         }
4800
4801         if (requested_len * 2 + 1 > buflen)
4802                 return os_snprintf(buf, buflen, "FAIL-Too long response");
4803
4804         return wpa_snprintf_hex(buf, buflen,
4805                                 wpabuf_head_u8(wpa_s->last_gas_resp) + start,
4806                                 requested_len);
4807 }
4808 #endif /* CONFIG_INTERWORKING */
4809
4810
4811 #ifdef CONFIG_HS20
4812
4813 static int get_hs20_anqp(struct wpa_supplicant *wpa_s, char *dst)
4814 {
4815         u8 dst_addr[ETH_ALEN];
4816         int used;
4817         char *pos;
4818         u32 subtypes = 0;
4819
4820         used = hwaddr_aton2(dst, dst_addr);
4821         if (used < 0)
4822                 return -1;
4823         pos = dst + used;
4824         for (;;) {
4825                 int num = atoi(pos);
4826                 if (num <= 0 || num > 31)
4827                         return -1;
4828                 subtypes |= BIT(num);
4829                 pos = os_strchr(pos + 1, ',');
4830                 if (pos == NULL)
4831                         break;
4832                 pos++;
4833         }
4834
4835         if (subtypes == 0)
4836                 return -1;
4837
4838         return hs20_anqp_send_req(wpa_s, dst_addr, subtypes, NULL, 0);
4839 }
4840
4841
4842 static int hs20_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4843                                     const u8 *addr, const char *realm)
4844 {
4845         u8 *buf;
4846         size_t rlen, len;
4847         int ret;
4848
4849         rlen = os_strlen(realm);
4850         len = 3 + rlen;
4851         buf = os_malloc(len);
4852         if (buf == NULL)
4853                 return -1;
4854         buf[0] = 1; /* NAI Home Realm Count */
4855         buf[1] = 0; /* Formatted in accordance with RFC 4282 */
4856         buf[2] = rlen;
4857         os_memcpy(buf + 3, realm, rlen);
4858
4859         ret = hs20_anqp_send_req(wpa_s, addr,
4860                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4861                                  buf, len);
4862
4863         os_free(buf);
4864
4865         return ret;
4866 }
4867
4868
4869 static int hs20_get_nai_home_realm_list(struct wpa_supplicant *wpa_s,
4870                                         char *dst)
4871 {
4872         struct wpa_cred *cred = wpa_s->conf->cred;
4873         u8 dst_addr[ETH_ALEN];
4874         int used;
4875         u8 *buf;
4876         size_t len;
4877         int ret;
4878
4879         used = hwaddr_aton2(dst, dst_addr);
4880         if (used < 0)
4881                 return -1;
4882
4883         while (dst[used] == ' ')
4884                 used++;
4885         if (os_strncmp(dst + used, "realm=", 6) == 0)
4886                 return hs20_nai_home_realm_list(wpa_s, dst_addr,
4887                                                 dst + used + 6);
4888
4889         len = os_strlen(dst + used);
4890
4891         if (len == 0 && cred && cred->realm)
4892                 return hs20_nai_home_realm_list(wpa_s, dst_addr, cred->realm);
4893
4894         if (len % 1)
4895                 return -1;
4896         len /= 2;
4897         buf = os_malloc(len);
4898         if (buf == NULL)
4899                 return -1;
4900         if (hexstr2bin(dst + used, buf, len) < 0) {
4901                 os_free(buf);
4902                 return -1;
4903         }
4904
4905         ret = hs20_anqp_send_req(wpa_s, dst_addr,
4906                                  BIT(HS20_STYPE_NAI_HOME_REALM_QUERY),
4907                                  buf, len);
4908         os_free(buf);
4909
4910         return ret;
4911 }
4912
4913 #endif /* CONFIG_HS20 */
4914
4915
4916 static int wpa_supplicant_ctrl_iface_sta_autoconnect(
4917         struct wpa_supplicant *wpa_s, char *cmd)
4918 {
4919         wpa_s->auto_reconnect_disabled = atoi(cmd) == 0 ? 1 : 0;
4920         return 0;
4921 }
4922
4923
4924 #ifdef CONFIG_AUTOSCAN
4925
4926 static int wpa_supplicant_ctrl_iface_autoscan(struct wpa_supplicant *wpa_s,
4927                                               char *cmd)
4928 {
4929         enum wpa_states state = wpa_s->wpa_state;
4930         char *new_params = NULL;
4931
4932         if (os_strlen(cmd) > 0) {
4933                 new_params = os_strdup(cmd);
4934                 if (new_params == NULL)
4935                         return -1;
4936         }
4937
4938         os_free(wpa_s->conf->autoscan);
4939         wpa_s->conf->autoscan = new_params;
4940
4941         if (wpa_s->conf->autoscan == NULL)
4942                 autoscan_deinit(wpa_s);
4943         else if (state == WPA_DISCONNECTED || state == WPA_INACTIVE)
4944                 autoscan_init(wpa_s, 1);
4945         else if (state == WPA_SCANNING)
4946                 wpa_supplicant_reinit_autoscan(wpa_s);
4947
4948         return 0;
4949 }
4950
4951 #endif /* CONFIG_AUTOSCAN */
4952
4953
4954 #ifdef CONFIG_WNM
4955
4956 static int wpas_ctrl_iface_wnm_sleep(struct wpa_supplicant *wpa_s, char *cmd)
4957 {
4958         int enter;
4959         int intval = 0;
4960         char *pos;
4961         int ret;
4962         struct wpabuf *tfs_req = NULL;
4963
4964         if (os_strncmp(cmd, "enter", 5) == 0)
4965                 enter = 1;
4966         else if (os_strncmp(cmd, "exit", 4) == 0)
4967                 enter = 0;
4968         else
4969                 return -1;
4970
4971         pos = os_strstr(cmd, " interval=");
4972         if (pos)
4973                 intval = atoi(pos + 10);
4974
4975         pos = os_strstr(cmd, " tfs_req=");
4976         if (pos) {
4977                 char *end;
4978                 size_t len;
4979                 pos += 9;
4980                 end = os_strchr(pos, ' ');
4981                 if (end)
4982                         len = end - pos;
4983                 else
4984                         len = os_strlen(pos);
4985                 if (len & 1)
4986                         return -1;
4987                 len /= 2;
4988                 tfs_req = wpabuf_alloc(len);
4989                 if (tfs_req == NULL)
4990                         return -1;
4991                 if (hexstr2bin(pos, wpabuf_put(tfs_req, len), len) < 0) {
4992                         wpabuf_free(tfs_req);
4993                         return -1;
4994                 }
4995         }
4996
4997         ret = ieee802_11_send_wnmsleep_req(wpa_s, enter ? WNM_SLEEP_MODE_ENTER :
4998                                            WNM_SLEEP_MODE_EXIT, intval,
4999                                            tfs_req);
5000         wpabuf_free(tfs_req);
5001
5002         return ret;
5003 }
5004
5005
5006 static int wpas_ctrl_iface_wnm_bss_query(struct wpa_supplicant *wpa_s, char *cmd)
5007 {
5008         int query_reason;
5009
5010         query_reason = atoi(cmd);
5011
5012         wpa_printf(MSG_DEBUG, "CTRL_IFACE: WNM_BSS_QUERY query_reason=%d",
5013                    query_reason);
5014
5015         return wnm_send_bss_transition_mgmt_query(wpa_s, query_reason);
5016 }
5017
5018 #endif /* CONFIG_WNM */
5019
5020
5021 static int wpa_supplicant_signal_poll(struct wpa_supplicant *wpa_s, char *buf,
5022                                       size_t buflen)
5023 {
5024         struct wpa_signal_info si;
5025         int ret;
5026
5027         ret = wpa_drv_signal_poll(wpa_s, &si);
5028         if (ret)
5029                 return -1;
5030
5031         ret = os_snprintf(buf, buflen, "RSSI=%d\nLINKSPEED=%d\n"
5032                           "NOISE=%d\nFREQUENCY=%u\n",
5033                           si.current_signal, si.current_txrate / 1000,
5034                           si.current_noise, si.frequency);
5035         if (ret < 0 || (unsigned int) ret > buflen)
5036                 return -1;
5037         return ret;
5038 }
5039
5040
5041 static int wpa_supplicant_pktcnt_poll(struct wpa_supplicant *wpa_s, char *buf,
5042                                       size_t buflen)
5043 {
5044         struct hostap_sta_driver_data sta;
5045         int ret;
5046
5047         ret = wpa_drv_pktcnt_poll(wpa_s, &sta);
5048         if (ret)
5049                 return -1;
5050
5051         ret = os_snprintf(buf, buflen, "TXGOOD=%lu\nTXBAD=%lu\nRXGOOD=%lu\n",
5052                           sta.tx_packets, sta.tx_retry_failed, sta.rx_packets);
5053         if (ret < 0 || (size_t) ret > buflen)
5054                 return -1;
5055         return ret;
5056 }
5057
5058
5059 #ifdef ANDROID
5060 static int wpa_supplicant_driver_cmd(struct wpa_supplicant *wpa_s, char *cmd,
5061                                      char *buf, size_t buflen)
5062 {
5063         int ret;
5064
5065         ret = wpa_drv_driver_cmd(wpa_s, cmd, buf, buflen);
5066         if (ret == 0)
5067                 ret = sprintf(buf, "%s\n", "OK");
5068         return ret;
5069 }
5070 #endif
5071
5072
5073 static void wpa_supplicant_ctrl_iface_flush(struct wpa_supplicant *wpa_s)
5074 {
5075         wpa_dbg(wpa_s, MSG_DEBUG, "Flush all wpa_supplicant state");
5076
5077 #ifdef CONFIG_P2P
5078         wpas_p2p_stop_find(wpa_s);
5079         p2p_ctrl_flush(wpa_s);
5080         wpas_p2p_group_remove(wpa_s, "*");
5081 #endif /* CONFIG_P2P */
5082
5083 #ifdef CONFIG_WPS_TESTING
5084         wps_version_number = 0x20;
5085         wps_testing_dummy_cred = 0;
5086 #endif /* CONFIG_WPS_TESTING */
5087 #ifdef CONFIG_WPS
5088         wpas_wps_cancel(wpa_s);
5089 #endif /* CONFIG_WPS */
5090
5091 #ifdef CONFIG_TDLS_TESTING
5092         extern unsigned int tdls_testing;
5093         tdls_testing = 0;
5094 #endif /* CONFIG_TDLS_TESTING */
5095 #ifdef CONFIG_TDLS
5096         wpa_drv_tdls_oper(wpa_s, TDLS_ENABLE, NULL);
5097         wpa_tdls_enable(wpa_s->wpa, 1);
5098 #endif /* CONFIG_TDLS */
5099
5100         eloop_cancel_timeout(wpa_supplicant_stop_countermeasures, wpa_s, NULL);
5101         wpa_supplicant_stop_countermeasures(wpa_s, NULL);
5102
5103         wpa_s->no_keep_alive = 0;
5104
5105         os_free(wpa_s->disallow_aps_bssid);
5106         wpa_s->disallow_aps_bssid = NULL;
5107         wpa_s->disallow_aps_bssid_count = 0;
5108         os_free(wpa_s->disallow_aps_ssid);
5109         wpa_s->disallow_aps_ssid = NULL;
5110         wpa_s->disallow_aps_ssid_count = 0;
5111
5112         wpa_s->set_sta_uapsd = 0;
5113         wpa_s->sta_uapsd = 0;
5114
5115         wpa_drv_radio_disable(wpa_s, 0);
5116
5117         wpa_bss_flush(wpa_s);
5118         wpa_blacklist_clear(wpa_s);
5119         wpa_s->extra_blacklist_count = 0;
5120         wpa_supplicant_ctrl_iface_remove_network(wpa_s, "all");
5121         wpa_supplicant_ctrl_iface_remove_cred(wpa_s, "all");
5122 }
5123
5124
5125 char * wpa_supplicant_ctrl_iface_process(struct wpa_supplicant *wpa_s,
5126                                          char *buf, size_t *resp_len)
5127 {
5128         char *reply;
5129         const int reply_size = 4096;
5130         int ctrl_rsp = 0;
5131         int reply_len;
5132
5133         if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0 ||
5134             os_strncmp(buf, "SET_NETWORK ", 12) == 0 ||
5135             os_strncmp(buf, "WPS_NFC_TAG_READ", 16) == 0 ||
5136             os_strncmp(buf, "NFC_REPORT_HANDOVER", 19) == 0 ||
5137             os_strncmp(buf, "NFC_RX_HANDOVER_SEL", 19) == 0) {
5138                 wpa_hexdump_ascii_key(MSG_DEBUG, "RX ctrl_iface",
5139                                       (const u8 *) buf, os_strlen(buf));
5140         } else {
5141                 int level = MSG_DEBUG;
5142                 if (os_strcmp(buf, "PING") == 0)
5143                         level = MSG_EXCESSIVE;
5144                 wpa_hexdump_ascii(level, "RX ctrl_iface",
5145                                   (const u8 *) buf, os_strlen(buf));
5146                 wpa_dbg(wpa_s, level, "Control interface command '%s'", buf);
5147         }
5148
5149         reply = os_malloc(reply_size);
5150         if (reply == NULL) {
5151                 *resp_len = 1;
5152                 return NULL;
5153         }
5154
5155         os_memcpy(reply, "OK\n", 3);
5156         reply_len = 3;
5157
5158         if (os_strcmp(buf, "PING") == 0) {
5159                 os_memcpy(reply, "PONG\n", 5);
5160                 reply_len = 5;
5161         } else if (os_strcmp(buf, "IFNAME") == 0) {
5162                 reply_len = os_strlen(wpa_s->ifname);
5163                 os_memcpy(reply, wpa_s->ifname, reply_len);
5164         } else if (os_strncmp(buf, "RELOG", 5) == 0) {
5165                 if (wpa_debug_reopen_file() < 0)
5166                         reply_len = -1;
5167         } else if (os_strncmp(buf, "NOTE ", 5) == 0) {
5168                 wpa_printf(MSG_INFO, "NOTE: %s", buf + 5);
5169         } else if (os_strcmp(buf, "MIB") == 0) {
5170                 reply_len = wpa_sm_get_mib(wpa_s->wpa, reply, reply_size);
5171                 if (reply_len >= 0) {
5172                         int res;
5173                         res = eapol_sm_get_mib(wpa_s->eapol, reply + reply_len,
5174                                                reply_size - reply_len);
5175                         if (res < 0)
5176                                 reply_len = -1;
5177                         else
5178                                 reply_len += res;
5179                 }
5180         } else if (os_strncmp(buf, "STATUS", 6) == 0) {
5181                 reply_len = wpa_supplicant_ctrl_iface_status(
5182                         wpa_s, buf + 6, reply, reply_size);
5183         } else if (os_strcmp(buf, "PMKSA") == 0) {
5184                 reply_len = wpa_sm_pmksa_cache_list(wpa_s->wpa, reply,
5185                                                     reply_size);
5186         } else if (os_strncmp(buf, "SET ", 4) == 0) {
5187                 if (wpa_supplicant_ctrl_iface_set(wpa_s, buf + 4))
5188                         reply_len = -1;
5189         } else if (os_strncmp(buf, "GET ", 4) == 0) {
5190                 reply_len = wpa_supplicant_ctrl_iface_get(wpa_s, buf + 4,
5191                                                           reply, reply_size);
5192         } else if (os_strcmp(buf, "LOGON") == 0) {
5193                 eapol_sm_notify_logoff(wpa_s->eapol, FALSE);
5194         } else if (os_strcmp(buf, "LOGOFF") == 0) {
5195                 eapol_sm_notify_logoff(wpa_s->eapol, TRUE);
5196         } else if (os_strcmp(buf, "REASSOCIATE") == 0) {
5197                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5198                         reply_len = -1;
5199                 else
5200                         wpas_request_connection(wpa_s);
5201         } else if (os_strcmp(buf, "RECONNECT") == 0) {
5202                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5203                         reply_len = -1;
5204                 else if (wpa_s->disconnected)
5205                         wpas_request_connection(wpa_s);
5206 #ifdef IEEE8021X_EAPOL
5207         } else if (os_strncmp(buf, "PREAUTH ", 8) == 0) {
5208                 if (wpa_supplicant_ctrl_iface_preauth(wpa_s, buf + 8))
5209                         reply_len = -1;
5210 #endif /* IEEE8021X_EAPOL */
5211 #ifdef CONFIG_PEERKEY
5212         } else if (os_strncmp(buf, "STKSTART ", 9) == 0) {
5213                 if (wpa_supplicant_ctrl_iface_stkstart(wpa_s, buf + 9))
5214                         reply_len = -1;
5215 #endif /* CONFIG_PEERKEY */
5216 #ifdef CONFIG_IEEE80211R
5217         } else if (os_strncmp(buf, "FT_DS ", 6) == 0) {
5218                 if (wpa_supplicant_ctrl_iface_ft_ds(wpa_s, buf + 6))
5219                         reply_len = -1;
5220 #endif /* CONFIG_IEEE80211R */
5221 #ifdef CONFIG_WPS
5222         } else if (os_strcmp(buf, "WPS_PBC") == 0) {
5223                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, NULL);
5224                 if (res == -2) {
5225                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5226                         reply_len = 17;
5227                 } else if (res)
5228                         reply_len = -1;
5229         } else if (os_strncmp(buf, "WPS_PBC ", 8) == 0) {
5230                 int res = wpa_supplicant_ctrl_iface_wps_pbc(wpa_s, buf + 8);
5231                 if (res == -2) {
5232                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5233                         reply_len = 17;
5234                 } else if (res)
5235                         reply_len = -1;
5236         } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
5237                 reply_len = wpa_supplicant_ctrl_iface_wps_pin(wpa_s, buf + 8,
5238                                                               reply,
5239                                                               reply_size);
5240         } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
5241                 reply_len = wpa_supplicant_ctrl_iface_wps_check_pin(
5242                         wpa_s, buf + 14, reply, reply_size);
5243         } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
5244                 if (wpas_wps_cancel(wpa_s))
5245                         reply_len = -1;
5246 #ifdef CONFIG_WPS_NFC
5247         } else if (os_strcmp(buf, "WPS_NFC") == 0) {
5248                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, NULL))
5249                         reply_len = -1;
5250         } else if (os_strncmp(buf, "WPS_NFC ", 8) == 0) {
5251                 if (wpa_supplicant_ctrl_iface_wps_nfc(wpa_s, buf + 8))
5252                         reply_len = -1;
5253         } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
5254                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_config_token(
5255                         wpa_s, buf + 21, reply, reply_size);
5256         } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
5257                 reply_len = wpa_supplicant_ctrl_iface_wps_nfc_token(
5258                         wpa_s, buf + 14, reply, reply_size);
5259         } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
5260                 if (wpa_supplicant_ctrl_iface_wps_nfc_tag_read(wpa_s,
5261                                                                buf + 17))
5262                         reply_len = -1;
5263         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_REQ ", 21) == 0) {
5264                 reply_len = wpas_ctrl_nfc_get_handover_req(
5265                         wpa_s, buf + 21, reply, reply_size);
5266         } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
5267                 reply_len = wpas_ctrl_nfc_get_handover_sel(
5268                         wpa_s, buf + 21, reply, reply_size);
5269         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_REQ ", 20) == 0) {
5270                 reply_len = wpas_ctrl_nfc_rx_handover_req(
5271                         wpa_s, buf + 20, reply, reply_size);
5272         } else if (os_strncmp(buf, "NFC_RX_HANDOVER_SEL ", 20) == 0) {
5273                 if (wpas_ctrl_nfc_rx_handover_sel(wpa_s, buf + 20))
5274                         reply_len = -1;
5275         } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
5276                 if (wpas_ctrl_nfc_report_handover(wpa_s, buf + 20))
5277                         reply_len = -1;
5278 #endif /* CONFIG_WPS_NFC */
5279         } else if (os_strncmp(buf, "WPS_REG ", 8) == 0) {
5280                 if (wpa_supplicant_ctrl_iface_wps_reg(wpa_s, buf + 8))
5281                         reply_len = -1;
5282 #ifdef CONFIG_AP
5283         } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
5284                 reply_len = wpa_supplicant_ctrl_iface_wps_ap_pin(
5285                         wpa_s, buf + 11, reply, reply_size);
5286 #endif /* CONFIG_AP */
5287 #ifdef CONFIG_WPS_ER
5288         } else if (os_strcmp(buf, "WPS_ER_START") == 0) {
5289                 if (wpas_wps_er_start(wpa_s, NULL))
5290                         reply_len = -1;
5291         } else if (os_strncmp(buf, "WPS_ER_START ", 13) == 0) {
5292                 if (wpas_wps_er_start(wpa_s, buf + 13))
5293                         reply_len = -1;
5294         } else if (os_strcmp(buf, "WPS_ER_STOP") == 0) {
5295                 if (wpas_wps_er_stop(wpa_s))
5296                         reply_len = -1;
5297         } else if (os_strncmp(buf, "WPS_ER_PIN ", 11) == 0) {
5298                 if (wpa_supplicant_ctrl_iface_wps_er_pin(wpa_s, buf + 11))
5299                         reply_len = -1;
5300         } else if (os_strncmp(buf, "WPS_ER_PBC ", 11) == 0) {
5301                 int ret = wpas_wps_er_pbc(wpa_s, buf + 11);
5302                 if (ret == -2) {
5303                         os_memcpy(reply, "FAIL-PBC-OVERLAP\n", 17);
5304                         reply_len = 17;
5305                 } else if (ret == -3) {
5306                         os_memcpy(reply, "FAIL-UNKNOWN-UUID\n", 18);
5307                         reply_len = 18;
5308                 } else if (ret == -4) {
5309                         os_memcpy(reply, "FAIL-NO-AP-SETTINGS\n", 20);
5310                         reply_len = 20;
5311                 } else if (ret)
5312                         reply_len = -1;
5313         } else if (os_strncmp(buf, "WPS_ER_LEARN ", 13) == 0) {
5314                 if (wpa_supplicant_ctrl_iface_wps_er_learn(wpa_s, buf + 13))
5315                         reply_len = -1;
5316         } else if (os_strncmp(buf, "WPS_ER_SET_CONFIG ", 18) == 0) {
5317                 if (wpa_supplicant_ctrl_iface_wps_er_set_config(wpa_s,
5318                                                                 buf + 18))
5319                         reply_len = -1;
5320         } else if (os_strncmp(buf, "WPS_ER_CONFIG ", 14) == 0) {
5321                 if (wpa_supplicant_ctrl_iface_wps_er_config(wpa_s, buf + 14))
5322                         reply_len = -1;
5323 #ifdef CONFIG_WPS_NFC
5324         } else if (os_strncmp(buf, "WPS_ER_NFC_CONFIG_TOKEN ", 24) == 0) {
5325                 reply_len = wpa_supplicant_ctrl_iface_wps_er_nfc_config_token(
5326                         wpa_s, buf + 24, reply, reply_size);
5327 #endif /* CONFIG_WPS_NFC */
5328 #endif /* CONFIG_WPS_ER */
5329 #endif /* CONFIG_WPS */
5330 #ifdef CONFIG_IBSS_RSN
5331         } else if (os_strncmp(buf, "IBSS_RSN ", 9) == 0) {
5332                 if (wpa_supplicant_ctrl_iface_ibss_rsn(wpa_s, buf + 9))
5333                         reply_len = -1;
5334 #endif /* CONFIG_IBSS_RSN */
5335 #ifdef CONFIG_P2P
5336         } else if (os_strncmp(buf, "P2P_FIND ", 9) == 0) {
5337                 if (p2p_ctrl_find(wpa_s, buf + 9))
5338                         reply_len = -1;
5339         } else if (os_strcmp(buf, "P2P_FIND") == 0) {
5340                 if (p2p_ctrl_find(wpa_s, ""))
5341                         reply_len = -1;
5342         } else if (os_strcmp(buf, "P2P_STOP_FIND") == 0) {
5343                 wpas_p2p_stop_find(wpa_s);
5344         } else if (os_strncmp(buf, "P2P_CONNECT ", 12) == 0) {
5345                 reply_len = p2p_ctrl_connect(wpa_s, buf + 12, reply,
5346                                              reply_size);
5347         } else if (os_strncmp(buf, "P2P_LISTEN ", 11) == 0) {
5348                 if (p2p_ctrl_listen(wpa_s, buf + 11))
5349                         reply_len = -1;
5350         } else if (os_strcmp(buf, "P2P_LISTEN") == 0) {
5351                 if (p2p_ctrl_listen(wpa_s, ""))
5352                         reply_len = -1;
5353         } else if (os_strncmp(buf, "P2P_GROUP_REMOVE ", 17) == 0) {
5354                 if (wpas_p2p_group_remove(wpa_s, buf + 17))
5355                         reply_len = -1;
5356         } else if (os_strcmp(buf, "P2P_GROUP_ADD") == 0) {
5357                 if (wpas_p2p_group_add(wpa_s, 0, 0, 0))
5358                         reply_len = -1;
5359         } else if (os_strncmp(buf, "P2P_GROUP_ADD ", 14) == 0) {
5360                 if (p2p_ctrl_group_add(wpa_s, buf + 14))
5361                         reply_len = -1;
5362         } else if (os_strncmp(buf, "P2P_PROV_DISC ", 14) == 0) {
5363                 if (p2p_ctrl_prov_disc(wpa_s, buf + 14))
5364                         reply_len = -1;
5365         } else if (os_strcmp(buf, "P2P_GET_PASSPHRASE") == 0) {
5366                 reply_len = p2p_get_passphrase(wpa_s, reply, reply_size);
5367         } else if (os_strncmp(buf, "P2P_SERV_DISC_REQ ", 18) == 0) {
5368                 reply_len = p2p_ctrl_serv_disc_req(wpa_s, buf + 18, reply,
5369                                                    reply_size);
5370         } else if (os_strncmp(buf, "P2P_SERV_DISC_CANCEL_REQ ", 25) == 0) {
5371                 if (p2p_ctrl_serv_disc_cancel_req(wpa_s, buf + 25) < 0)
5372                         reply_len = -1;
5373         } else if (os_strncmp(buf, "P2P_SERV_DISC_RESP ", 19) == 0) {
5374                 if (p2p_ctrl_serv_disc_resp(wpa_s, buf + 19) < 0)
5375                         reply_len = -1;
5376         } else if (os_strcmp(buf, "P2P_SERVICE_UPDATE") == 0) {
5377 #ifdef ANDROID_P2P
5378                 wpas_p2p_sd_service_update(wpa_s, SRV_UPDATE);
5379 #else
5380                 wpas_p2p_sd_service_update(wpa_s);
5381 #endif
5382         } else if (os_strncmp(buf, "P2P_SERV_DISC_EXTERNAL ", 23) == 0) {
5383                 if (p2p_ctrl_serv_disc_external(wpa_s, buf + 23) < 0)
5384                         reply_len = -1;
5385         } else if (os_strcmp(buf, "P2P_SERVICE_FLUSH") == 0) {
5386                 wpas_p2p_service_flush(wpa_s);
5387         } else if (os_strncmp(buf, "P2P_SERVICE_ADD ", 16) == 0) {
5388                 if (p2p_ctrl_service_add(wpa_s, buf + 16) < 0)
5389                         reply_len = -1;
5390         } else if (os_strncmp(buf, "P2P_SERVICE_DEL ", 16) == 0) {
5391                 if (p2p_ctrl_service_del(wpa_s, buf + 16) < 0)
5392                         reply_len = -1;
5393         } else if (os_strncmp(buf, "P2P_REJECT ", 11) == 0) {
5394                 if (p2p_ctrl_reject(wpa_s, buf + 11) < 0)
5395                         reply_len = -1;
5396         } else if (os_strncmp(buf, "P2P_INVITE ", 11) == 0) {
5397                 if (p2p_ctrl_invite(wpa_s, buf + 11) < 0)
5398                         reply_len = -1;
5399         } else if (os_strncmp(buf, "P2P_PEER ", 9) == 0) {
5400                 reply_len = p2p_ctrl_peer(wpa_s, buf + 9, reply,
5401                                               reply_size);
5402         } else if (os_strncmp(buf, "P2P_SET ", 8) == 0) {
5403                 if (p2p_ctrl_set(wpa_s, buf + 8) < 0)
5404                         reply_len = -1;
5405         } else if (os_strcmp(buf, "P2P_FLUSH") == 0) {
5406                 p2p_ctrl_flush(wpa_s);
5407         } else if (os_strncmp(buf, "P2P_UNAUTHORIZE ", 16) == 0) {
5408                 if (wpas_p2p_unauthorize(wpa_s, buf + 16) < 0)
5409                         reply_len = -1;
5410         } else if (os_strcmp(buf, "P2P_CANCEL") == 0) {
5411                 if (wpas_p2p_cancel(wpa_s))
5412                         reply_len = -1;
5413         } else if (os_strncmp(buf, "P2P_PRESENCE_REQ ", 17) == 0) {
5414                 if (p2p_ctrl_presence_req(wpa_s, buf + 17) < 0)
5415                         reply_len = -1;
5416         } else if (os_strcmp(buf, "P2P_PRESENCE_REQ") == 0) {
5417                 if (p2p_ctrl_presence_req(wpa_s, "") < 0)
5418                         reply_len = -1;
5419         } else if (os_strncmp(buf, "P2P_EXT_LISTEN ", 15) == 0) {
5420                 if (p2p_ctrl_ext_listen(wpa_s, buf + 15) < 0)
5421                         reply_len = -1;
5422         } else if (os_strcmp(buf, "P2P_EXT_LISTEN") == 0) {
5423                 if (p2p_ctrl_ext_listen(wpa_s, "") < 0)
5424                         reply_len = -1;
5425 #endif /* CONFIG_P2P */
5426 #ifdef CONFIG_WIFI_DISPLAY
5427         } else if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0) {
5428                 if (wifi_display_subelem_set(wpa_s->global, buf + 16) < 0)
5429                         reply_len = -1;
5430         } else if (os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0) {
5431                 reply_len = wifi_display_subelem_get(wpa_s->global, buf + 16,
5432                                                      reply, reply_size);
5433 #endif /* CONFIG_WIFI_DISPLAY */
5434 #ifdef CONFIG_INTERWORKING
5435         } else if (os_strcmp(buf, "FETCH_ANQP") == 0) {
5436                 if (interworking_fetch_anqp(wpa_s) < 0)
5437                         reply_len = -1;
5438         } else if (os_strcmp(buf, "STOP_FETCH_ANQP") == 0) {
5439                 interworking_stop_fetch_anqp(wpa_s);
5440         } else if (os_strncmp(buf, "INTERWORKING_SELECT", 19) == 0) {
5441                 if (interworking_select(wpa_s, os_strstr(buf + 19, "auto") !=
5442                                         NULL) < 0)
5443                         reply_len = -1;
5444         } else if (os_strncmp(buf, "INTERWORKING_CONNECT ", 21) == 0) {
5445                 if (ctrl_interworking_connect(wpa_s, buf + 21) < 0)
5446                         reply_len = -1;
5447         } else if (os_strncmp(buf, "ANQP_GET ", 9) == 0) {
5448                 if (get_anqp(wpa_s, buf + 9) < 0)
5449                         reply_len = -1;
5450         } else if (os_strncmp(buf, "GAS_REQUEST ", 12) == 0) {
5451                 if (gas_request(wpa_s, buf + 12) < 0)
5452                         reply_len = -1;
5453         } else if (os_strncmp(buf, "GAS_RESPONSE_GET ", 17) == 0) {
5454                 reply_len = gas_response_get(wpa_s, buf + 17, reply,
5455                                              reply_size);
5456 #endif /* CONFIG_INTERWORKING */
5457 #ifdef CONFIG_HS20
5458         } else if (os_strncmp(buf, "HS20_ANQP_GET ", 14) == 0) {
5459                 if (get_hs20_anqp(wpa_s, buf + 14) < 0)
5460                         reply_len = -1;
5461         } else if (os_strncmp(buf, "HS20_GET_NAI_HOME_REALM_LIST ", 29) == 0) {
5462                 if (hs20_get_nai_home_realm_list(wpa_s, buf + 29) < 0)
5463                         reply_len = -1;
5464 #endif /* CONFIG_HS20 */
5465         } else if (os_strncmp(buf, WPA_CTRL_RSP, os_strlen(WPA_CTRL_RSP)) == 0)
5466         {
5467                 if (wpa_supplicant_ctrl_iface_ctrl_rsp(
5468                             wpa_s, buf + os_strlen(WPA_CTRL_RSP)))
5469                         reply_len = -1;
5470                 else
5471                         ctrl_rsp = 1;
5472         } else if (os_strcmp(buf, "RECONFIGURE") == 0) {
5473                 if (wpa_supplicant_reload_configuration(wpa_s))
5474                         reply_len = -1;
5475         } else if (os_strcmp(buf, "TERMINATE") == 0) {
5476                 wpa_supplicant_terminate_proc(wpa_s->global);
5477         } else if (os_strncmp(buf, "BSSID ", 6) == 0) {
5478                 if (wpa_supplicant_ctrl_iface_bssid(wpa_s, buf + 6))
5479                         reply_len = -1;
5480         } else if (os_strncmp(buf, "BLACKLIST", 9) == 0) {
5481                 reply_len = wpa_supplicant_ctrl_iface_blacklist(
5482                         wpa_s, buf + 9, reply, reply_size);
5483         } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
5484                 reply_len = wpa_supplicant_ctrl_iface_log_level(
5485                         wpa_s, buf + 9, reply, reply_size);
5486         } else if (os_strcmp(buf, "LIST_NETWORKS") == 0) {
5487                 reply_len = wpa_supplicant_ctrl_iface_list_networks(
5488                         wpa_s, reply, reply_size);
5489         } else if (os_strcmp(buf, "DISCONNECT") == 0) {
5490 #ifdef CONFIG_SME
5491                 wpa_s->sme.prev_bssid_set = 0;
5492 #endif /* CONFIG_SME */
5493                 wpa_s->reassociate = 0;
5494                 wpa_s->disconnected = 1;
5495                 wpa_supplicant_cancel_sched_scan(wpa_s);
5496                 wpa_supplicant_cancel_scan(wpa_s);
5497                 wpa_supplicant_deauthenticate(wpa_s,
5498                                               WLAN_REASON_DEAUTH_LEAVING);
5499         } else if (os_strcmp(buf, "SCAN") == 0 ||
5500                    os_strncmp(buf, "SCAN ", 5) == 0) {
5501                 if (wpa_s->wpa_state == WPA_INTERFACE_DISABLED)
5502                         reply_len = -1;
5503                 else {
5504                         if (os_strlen(buf) > 4 &&
5505                             os_strncasecmp(buf + 5, "TYPE=ONLY", 9) == 0)
5506                                 wpa_s->scan_res_handler = scan_only_handler;
5507                         if (!wpa_s->sched_scanning && !wpa_s->scanning &&
5508                             ((wpa_s->wpa_state <= WPA_SCANNING) ||
5509                              (wpa_s->wpa_state == WPA_COMPLETED))) {
5510                                 wpa_s->normal_scans = 0;
5511                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5512                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5513                         } else if (wpa_s->sched_scanning) {
5514                                 wpa_printf(MSG_DEBUG, "Stop ongoing "
5515                                            "sched_scan to allow requested "
5516                                            "full scan to proceed");
5517                                 wpa_supplicant_cancel_sched_scan(wpa_s);
5518                                 wpa_s->scan_req = MANUAL_SCAN_REQ;
5519                                 wpa_supplicant_req_scan(wpa_s, 0, 0);
5520                         } else {
5521                                 wpa_printf(MSG_DEBUG, "Ongoing scan action - "
5522                                            "reject new request");
5523                                 reply_len = os_snprintf(reply, reply_size,
5524                                                         "FAIL-BUSY\n");
5525                         }
5526                 }
5527         } else if (os_strcmp(buf, "SCAN_RESULTS") == 0) {
5528                 reply_len = wpa_supplicant_ctrl_iface_scan_results(
5529                         wpa_s, reply, reply_size);
5530         } else if (os_strncmp(buf, "SELECT_NETWORK ", 15) == 0) {
5531                 if (wpa_supplicant_ctrl_iface_select_network(wpa_s, buf + 15))
5532                         reply_len = -1;
5533         } else if (os_strncmp(buf, "ENABLE_NETWORK ", 15) == 0) {
5534                 if (wpa_supplicant_ctrl_iface_enable_network(wpa_s, buf + 15))
5535                         reply_len = -1;
5536         } else if (os_strncmp(buf, "DISABLE_NETWORK ", 16) == 0) {
5537                 if (wpa_supplicant_ctrl_iface_disable_network(wpa_s, buf + 16))
5538                         reply_len = -1;
5539         } else if (os_strcmp(buf, "ADD_NETWORK") == 0) {
5540                 reply_len = wpa_supplicant_ctrl_iface_add_network(
5541                         wpa_s, reply, reply_size);
5542         } else if (os_strncmp(buf, "REMOVE_NETWORK ", 15) == 0) {
5543                 if (wpa_supplicant_ctrl_iface_remove_network(wpa_s, buf + 15))
5544                         reply_len = -1;
5545         } else if (os_strncmp(buf, "SET_NETWORK ", 12) == 0) {
5546                 if (wpa_supplicant_ctrl_iface_set_network(wpa_s, buf + 12))
5547                         reply_len = -1;
5548         } else if (os_strncmp(buf, "GET_NETWORK ", 12) == 0) {
5549                 reply_len = wpa_supplicant_ctrl_iface_get_network(
5550                         wpa_s, buf + 12, reply, reply_size);
5551         } else if (os_strcmp(buf, "LIST_CREDS") == 0) {
5552                 reply_len = wpa_supplicant_ctrl_iface_list_creds(
5553                         wpa_s, reply, reply_size);
5554         } else if (os_strcmp(buf, "ADD_CRED") == 0) {
5555                 reply_len = wpa_supplicant_ctrl_iface_add_cred(
5556                         wpa_s, reply, reply_size);
5557         } else if (os_strncmp(buf, "REMOVE_CRED ", 12) == 0) {
5558                 if (wpa_supplicant_ctrl_iface_remove_cred(wpa_s, buf + 12))
5559                         reply_len = -1;
5560         } else if (os_strncmp(buf, "SET_CRED ", 9) == 0) {
5561                 if (wpa_supplicant_ctrl_iface_set_cred(wpa_s, buf + 9))
5562                         reply_len = -1;
5563 #ifndef CONFIG_NO_CONFIG_WRITE
5564         } else if (os_strcmp(buf, "SAVE_CONFIG") == 0) {
5565                 if (wpa_supplicant_ctrl_iface_save_config(wpa_s))
5566                         reply_len = -1;
5567 #endif /* CONFIG_NO_CONFIG_WRITE */
5568         } else if (os_strncmp(buf, "GET_CAPABILITY ", 15) == 0) {
5569                 reply_len = wpa_supplicant_ctrl_iface_get_capability(
5570                         wpa_s, buf + 15, reply, reply_size);
5571         } else if (os_strncmp(buf, "AP_SCAN ", 8) == 0) {
5572                 if (wpa_supplicant_ctrl_iface_ap_scan(wpa_s, buf + 8))
5573                         reply_len = -1;
5574         } else if (os_strncmp(buf, "SCAN_INTERVAL ", 14) == 0) {
5575                 if (wpa_supplicant_ctrl_iface_scan_interval(wpa_s, buf + 14))
5576                         reply_len = -1;
5577         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
5578                 reply_len = wpa_supplicant_global_iface_list(
5579                         wpa_s->global, reply, reply_size);
5580         } else if (os_strcmp(buf, "INTERFACES") == 0) {
5581                 reply_len = wpa_supplicant_global_iface_interfaces(
5582                         wpa_s->global, reply, reply_size);
5583         } else if (os_strncmp(buf, "BSS ", 4) == 0) {
5584                 reply_len = wpa_supplicant_ctrl_iface_bss(
5585                         wpa_s, buf + 4, reply, reply_size);
5586 #ifdef CONFIG_AP
5587         } else if (os_strcmp(buf, "STA-FIRST") == 0) {
5588                 reply_len = ap_ctrl_iface_sta_first(wpa_s, reply, reply_size);
5589         } else if (os_strncmp(buf, "STA ", 4) == 0) {
5590                 reply_len = ap_ctrl_iface_sta(wpa_s, buf + 4, reply,
5591                                               reply_size);
5592         } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
5593                 reply_len = ap_ctrl_iface_sta_next(wpa_s, buf + 9, reply,
5594                                                    reply_size);
5595         } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
5596                 if (ap_ctrl_iface_sta_deauthenticate(wpa_s, buf + 15))
5597                         reply_len = -1;
5598         } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
5599                 if (ap_ctrl_iface_sta_disassociate(wpa_s, buf + 13))
5600                         reply_len = -1;
5601 #endif /* CONFIG_AP */
5602         } else if (os_strcmp(buf, "SUSPEND") == 0) {
5603                 wpas_notify_suspend(wpa_s->global);
5604         } else if (os_strcmp(buf, "RESUME") == 0) {
5605                 wpas_notify_resume(wpa_s->global);
5606         } else if (os_strcmp(buf, "DROP_SA") == 0) {
5607                 wpa_supplicant_ctrl_iface_drop_sa(wpa_s);
5608         } else if (os_strncmp(buf, "ROAM ", 5) == 0) {
5609                 if (wpa_supplicant_ctrl_iface_roam(wpa_s, buf + 5))
5610                         reply_len = -1;
5611         } else if (os_strncmp(buf, "STA_AUTOCONNECT ", 16) == 0) {
5612                 if (wpa_supplicant_ctrl_iface_sta_autoconnect(wpa_s, buf + 16))
5613                         reply_len = -1;
5614         } else if (os_strncmp(buf, "BSS_EXPIRE_AGE ", 15) == 0) {
5615                 if (wpa_supplicant_ctrl_iface_bss_expire_age(wpa_s, buf + 15))
5616                         reply_len = -1;
5617         } else if (os_strncmp(buf, "BSS_EXPIRE_COUNT ", 17) == 0) {
5618                 if (wpa_supplicant_ctrl_iface_bss_expire_count(wpa_s,
5619                                                                buf + 17))
5620                         reply_len = -1;
5621         } else if (os_strncmp(buf, "BSS_FLUSH ", 10) == 0) {
5622                 if (wpa_supplicant_ctrl_iface_bss_flush(wpa_s, buf + 10))
5623                         reply_len = -1;
5624 #ifdef CONFIG_TDLS
5625         } else if (os_strncmp(buf, "TDLS_DISCOVER ", 14) == 0) {
5626                 if (wpa_supplicant_ctrl_iface_tdls_discover(wpa_s, buf + 14))
5627                         reply_len = -1;
5628         } else if (os_strncmp(buf, "TDLS_SETUP ", 11) == 0) {
5629                 if (wpa_supplicant_ctrl_iface_tdls_setup(wpa_s, buf + 11))
5630                         reply_len = -1;
5631         } else if (os_strncmp(buf, "TDLS_TEARDOWN ", 14) == 0) {
5632                 if (wpa_supplicant_ctrl_iface_tdls_teardown(wpa_s, buf + 14))
5633                         reply_len = -1;
5634 #endif /* CONFIG_TDLS */
5635         } else if (os_strncmp(buf, "SIGNAL_POLL", 11) == 0) {
5636                 reply_len = wpa_supplicant_signal_poll(wpa_s, reply,
5637                                                        reply_size);
5638         } else if (os_strncmp(buf, "PKTCNT_POLL", 11) == 0) {
5639                 reply_len = wpa_supplicant_pktcnt_poll(wpa_s, reply,
5640                                                        reply_size);
5641 #ifdef CONFIG_AUTOSCAN
5642         } else if (os_strncmp(buf, "AUTOSCAN ", 9) == 0) {
5643                 if (wpa_supplicant_ctrl_iface_autoscan(wpa_s, buf + 9))
5644                         reply_len = -1;
5645 #endif /* CONFIG_AUTOSCAN */
5646 #ifdef ANDROID
5647         } else if (os_strncmp(buf, "DRIVER ", 7) == 0) {
5648                 reply_len = wpa_supplicant_driver_cmd(wpa_s, buf + 7, reply,
5649                                                       reply_size);
5650 #endif
5651         } else if (os_strcmp(buf, "REAUTHENTICATE") == 0) {
5652                 pmksa_cache_clear_current(wpa_s->wpa);
5653                 eapol_sm_request_reauth(wpa_s->eapol);
5654 #ifdef CONFIG_WNM
5655         } else if (os_strncmp(buf, "WNM_SLEEP ", 10) == 0) {
5656                 if (wpas_ctrl_iface_wnm_sleep(wpa_s, buf + 10))
5657                         reply_len = -1;
5658         } else if (os_strncmp(buf, "WNM_BSS_QUERY ", 10) == 0) {
5659                 if (wpas_ctrl_iface_wnm_bss_query(wpa_s, buf + 10))
5660                                 reply_len = -1;
5661 #endif /* CONFIG_WNM */
5662         } else if (os_strcmp(buf, "FLUSH") == 0) {
5663                 wpa_supplicant_ctrl_iface_flush(wpa_s);
5664         } else {
5665                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
5666                 reply_len = 16;
5667         }
5668
5669         if (reply_len < 0) {
5670                 os_memcpy(reply, "FAIL\n", 5);
5671                 reply_len = 5;
5672         }
5673
5674         if (ctrl_rsp)
5675                 eapol_sm_notify_ctrl_response(wpa_s->eapol);
5676
5677         *resp_len = reply_len;
5678         return reply;
5679 }
5680
5681
5682 static int wpa_supplicant_global_iface_add(struct wpa_global *global,
5683                                            char *cmd)
5684 {
5685         struct wpa_interface iface;
5686         char *pos;
5687
5688         /*
5689          * <ifname>TAB<confname>TAB<driver>TAB<ctrl_interface>TAB<driver_param>
5690          * TAB<bridge_ifname>
5691          */
5692         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_ADD '%s'", cmd);
5693
5694         os_memset(&iface, 0, sizeof(iface));
5695
5696         do {
5697                 iface.ifname = pos = cmd;
5698                 pos = os_strchr(pos, '\t');
5699                 if (pos)
5700                         *pos++ = '\0';
5701                 if (iface.ifname[0] == '\0')
5702                         return -1;
5703                 if (pos == NULL)
5704                         break;
5705
5706                 iface.confname = pos;
5707                 pos = os_strchr(pos, '\t');
5708                 if (pos)
5709                         *pos++ = '\0';
5710                 if (iface.confname[0] == '\0')
5711                         iface.confname = NULL;
5712                 if (pos == NULL)
5713                         break;
5714
5715                 iface.driver = pos;
5716                 pos = os_strchr(pos, '\t');
5717                 if (pos)
5718                         *pos++ = '\0';
5719                 if (iface.driver[0] == '\0')
5720                         iface.driver = NULL;
5721                 if (pos == NULL)
5722                         break;
5723
5724                 iface.ctrl_interface = pos;
5725                 pos = os_strchr(pos, '\t');
5726                 if (pos)
5727                         *pos++ = '\0';
5728                 if (iface.ctrl_interface[0] == '\0')
5729                         iface.ctrl_interface = NULL;
5730                 if (pos == NULL)
5731                         break;
5732
5733                 iface.driver_param = pos;
5734                 pos = os_strchr(pos, '\t');
5735                 if (pos)
5736                         *pos++ = '\0';
5737                 if (iface.driver_param[0] == '\0')
5738                         iface.driver_param = NULL;
5739                 if (pos == NULL)
5740                         break;
5741
5742                 iface.bridge_ifname = pos;
5743                 pos = os_strchr(pos, '\t');
5744                 if (pos)
5745                         *pos++ = '\0';
5746                 if (iface.bridge_ifname[0] == '\0')
5747                         iface.bridge_ifname = NULL;
5748                 if (pos == NULL)
5749                         break;
5750         } while (0);
5751
5752         if (wpa_supplicant_get_iface(global, iface.ifname))
5753                 return -1;
5754
5755         return wpa_supplicant_add_iface(global, &iface) ? 0 : -1;
5756 }
5757
5758
5759 static int wpa_supplicant_global_iface_remove(struct wpa_global *global,
5760                                               char *cmd)
5761 {
5762         struct wpa_supplicant *wpa_s;
5763
5764         wpa_printf(MSG_DEBUG, "CTRL_IFACE GLOBAL INTERFACE_REMOVE '%s'", cmd);
5765
5766         wpa_s = wpa_supplicant_get_iface(global, cmd);
5767         if (wpa_s == NULL)
5768                 return -1;
5769         return wpa_supplicant_remove_iface(global, wpa_s, 0);
5770 }
5771
5772
5773 static void wpa_free_iface_info(struct wpa_interface_info *iface)
5774 {
5775         struct wpa_interface_info *prev;
5776
5777         while (iface) {
5778                 prev = iface;
5779                 iface = iface->next;
5780
5781                 os_free(prev->ifname);
5782                 os_free(prev->desc);
5783                 os_free(prev);
5784         }
5785 }
5786
5787
5788 static int wpa_supplicant_global_iface_list(struct wpa_global *global,
5789                                             char *buf, int len)
5790 {
5791         int i, res;
5792         struct wpa_interface_info *iface = NULL, *last = NULL, *tmp;
5793         char *pos, *end;
5794
5795         for (i = 0; wpa_drivers[i]; i++) {
5796                 struct wpa_driver_ops *drv = wpa_drivers[i];
5797                 if (drv->get_interfaces == NULL)
5798                         continue;
5799                 tmp = drv->get_interfaces(global->drv_priv[i]);
5800                 if (tmp == NULL)
5801                         continue;
5802
5803                 if (last == NULL)
5804                         iface = last = tmp;
5805                 else
5806                         last->next = tmp;
5807                 while (last->next)
5808                         last = last->next;
5809         }
5810
5811         pos = buf;
5812         end = buf + len;
5813         for (tmp = iface; tmp; tmp = tmp->next) {
5814                 res = os_snprintf(pos, end - pos, "%s\t%s\t%s\n",
5815                                   tmp->drv_name, tmp->ifname,
5816                                   tmp->desc ? tmp->desc : "");
5817                 if (res < 0 || res >= end - pos) {
5818                         *pos = '\0';
5819                         break;
5820                 }
5821                 pos += res;
5822         }
5823
5824         wpa_free_iface_info(iface);
5825
5826         return pos - buf;
5827 }
5828
5829
5830 static int wpa_supplicant_global_iface_interfaces(struct wpa_global *global,
5831                                                   char *buf, int len)
5832 {
5833         int res;
5834         char *pos, *end;
5835         struct wpa_supplicant *wpa_s;
5836
5837         wpa_s = global->ifaces;
5838         pos = buf;
5839         end = buf + len;
5840
5841         while (wpa_s) {
5842                 res = os_snprintf(pos, end - pos, "%s\n", wpa_s->ifname);
5843                 if (res < 0 || res >= end - pos) {
5844                         *pos = '\0';
5845                         break;
5846                 }
5847                 pos += res;
5848                 wpa_s = wpa_s->next;
5849         }
5850         return pos - buf;
5851 }
5852
5853
5854 static char * wpas_global_ctrl_iface_ifname(struct wpa_global *global,
5855                                             const char *ifname,
5856                                             char *cmd, size_t *resp_len)
5857 {
5858         struct wpa_supplicant *wpa_s;
5859
5860         for (wpa_s = global->ifaces; wpa_s; wpa_s = wpa_s->next) {
5861                 if (os_strcmp(ifname, wpa_s->ifname) == 0)
5862                         break;
5863         }
5864
5865         if (wpa_s == NULL) {
5866                 char *resp = os_strdup("FAIL-NO-IFNAME-MATCH\n");
5867                 if (resp)
5868                         *resp_len = os_strlen(resp);
5869                 else
5870                         *resp_len = 1;
5871                 return resp;
5872         }
5873
5874         return wpa_supplicant_ctrl_iface_process(wpa_s, cmd, resp_len);
5875 }
5876
5877
5878 static char * wpas_global_ctrl_iface_redir_p2p(struct wpa_global *global,
5879                                                char *buf, size_t *resp_len)
5880 {
5881 #ifdef CONFIG_P2P
5882         static const char * cmd[] = {
5883                 "P2P_FIND",
5884                 "P2P_STOP_FIND",
5885                 "P2P_LISTEN",
5886                 "P2P_GROUP_ADD",
5887                 "P2P_GET_PASSPHRASE",
5888                 "P2P_SERVICE_UPDATE",
5889                 "P2P_SERVICE_FLUSH",
5890                 "P2P_FLUSH",
5891                 "P2P_CANCEL",
5892                 "P2P_PRESENCE_REQ",
5893                 "P2P_EXT_LISTEN",
5894                 NULL
5895         };
5896         static const char * prefix[] = {
5897                 "P2P_FIND ",
5898                 "P2P_CONNECT ",
5899                 "P2P_LISTEN ",
5900                 "P2P_GROUP_REMOVE ",
5901                 "P2P_GROUP_ADD ",
5902                 "P2P_PROV_DISC ",
5903                 "P2P_SERV_DISC_REQ ",
5904                 "P2P_SERV_DISC_CANCEL_REQ ",
5905                 "P2P_SERV_DISC_RESP ",
5906                 "P2P_SERV_DISC_EXTERNAL ",
5907                 "P2P_SERVICE_ADD ",
5908                 "P2P_SERVICE_DEL ",
5909                 "P2P_REJECT ",
5910                 "P2P_INVITE ",
5911                 "P2P_PEER ",
5912                 "P2P_SET ",
5913                 "P2P_UNAUTHORIZE ",
5914                 "P2P_PRESENCE_REQ ",
5915                 "P2P_EXT_LISTEN ",
5916                 NULL
5917         };
5918         int found = 0;
5919         int i;
5920
5921         if (global->p2p_init_wpa_s == NULL)
5922                 return NULL;
5923
5924         for (i = 0; !found && cmd[i]; i++) {
5925                 if (os_strcmp(buf, cmd[i]) == 0)
5926                         found = 1;
5927         }
5928
5929         for (i = 0; !found && prefix[i]; i++) {
5930                 if (os_strncmp(buf, prefix[i], os_strlen(prefix[i])) == 0)
5931                         found = 1;
5932         }
5933
5934         if (found)
5935                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
5936                                                          buf, resp_len);
5937 #endif /* CONFIG_P2P */
5938         return NULL;
5939 }
5940
5941
5942 static char * wpas_global_ctrl_iface_redir_wfd(struct wpa_global *global,
5943                                                char *buf, size_t *resp_len)
5944 {
5945 #ifdef CONFIG_WIFI_DISPLAY
5946         if (global->p2p_init_wpa_s == NULL)
5947                 return NULL;
5948         if (os_strncmp(buf, "WFD_SUBELEM_SET ", 16) == 0 ||
5949             os_strncmp(buf, "WFD_SUBELEM_GET ", 16) == 0)
5950                 return wpa_supplicant_ctrl_iface_process(global->p2p_init_wpa_s,
5951                                                          buf, resp_len);
5952 #endif /* CONFIG_WIFI_DISPLAY */
5953         return NULL;
5954 }
5955
5956
5957 static char * wpas_global_ctrl_iface_redir(struct wpa_global *global,
5958                                            char *buf, size_t *resp_len)
5959 {
5960         char *ret;
5961
5962         ret = wpas_global_ctrl_iface_redir_p2p(global, buf, resp_len);
5963         if (ret)
5964                 return ret;
5965
5966         ret = wpas_global_ctrl_iface_redir_wfd(global, buf, resp_len);
5967         if (ret)
5968                 return ret;
5969
5970         return NULL;
5971 }
5972
5973
5974 char * wpa_supplicant_global_ctrl_iface_process(struct wpa_global *global,
5975                                                 char *buf, size_t *resp_len)
5976 {
5977         char *reply;
5978         const int reply_size = 2048;
5979         int reply_len;
5980         int level = MSG_DEBUG;
5981
5982         if (os_strncmp(buf, "IFNAME=", 7) == 0) {
5983                 char *pos = os_strchr(buf + 7, ' ');
5984                 if (pos) {
5985                         *pos++ = '\0';
5986                         return wpas_global_ctrl_iface_ifname(global,
5987                                                              buf + 7, pos,
5988                                                              resp_len);
5989                 }
5990         }
5991
5992         reply = wpas_global_ctrl_iface_redir(global, buf, resp_len);
5993         if (reply)
5994                 return reply;
5995
5996         if (os_strcmp(buf, "PING") == 0)
5997                 level = MSG_EXCESSIVE;
5998         wpa_hexdump_ascii(level, "RX global ctrl_iface",
5999                           (const u8 *) buf, os_strlen(buf));
6000
6001         reply = os_malloc(reply_size);
6002         if (reply == NULL) {
6003                 *resp_len = 1;
6004                 return NULL;
6005         }
6006
6007         os_memcpy(reply, "OK\n", 3);
6008         reply_len = 3;
6009
6010         if (os_strcmp(buf, "PING") == 0) {
6011                 os_memcpy(reply, "PONG\n", 5);
6012                 reply_len = 5;
6013         } else if (os_strncmp(buf, "INTERFACE_ADD ", 14) == 0) {
6014                 if (wpa_supplicant_global_iface_add(global, buf + 14))
6015                         reply_len = -1;
6016         } else if (os_strncmp(buf, "INTERFACE_REMOVE ", 17) == 0) {
6017                 if (wpa_supplicant_global_iface_remove(global, buf + 17))
6018                         reply_len = -1;
6019         } else if (os_strcmp(buf, "INTERFACE_LIST") == 0) {
6020                 reply_len = wpa_supplicant_global_iface_list(
6021                         global, reply, reply_size);
6022         } else if (os_strcmp(buf, "INTERFACES") == 0) {
6023                 reply_len = wpa_supplicant_global_iface_interfaces(
6024                         global, reply, reply_size);
6025         } else if (os_strcmp(buf, "TERMINATE") == 0) {
6026                 wpa_supplicant_terminate_proc(global);
6027         } else if (os_strcmp(buf, "SUSPEND") == 0) {
6028                 wpas_notify_suspend(global);
6029         } else if (os_strcmp(buf, "RESUME") == 0) {
6030                 wpas_notify_resume(global);
6031         } else {
6032                 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
6033                 reply_len = 16;
6034         }
6035
6036         if (reply_len < 0) {
6037                 os_memcpy(reply, "FAIL\n", 5);
6038                 reply_len = 5;
6039         }
6040
6041         *resp_len = reply_len;
6042         return reply;
6043 }