2 * hostapd / UNIX domain socket -based control interface
3 * Copyright (c) 2004-2013, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
9 #include "utils/includes.h"
11 #ifndef CONFIG_NATIVE_WINDOWS
17 #include "utils/common.h"
18 #include "utils/eloop.h"
19 #include "common/version.h"
20 #include "common/ieee802_11_defs.h"
21 #include "drivers/driver.h"
22 #include "radius/radius_client.h"
23 #include "radius/radius_server.h"
24 #include "ap/hostapd.h"
25 #include "ap/ap_config.h"
26 #include "ap/ieee802_1x.h"
27 #include "ap/wpa_auth.h"
28 #include "ap/ieee802_11.h"
29 #include "ap/sta_info.h"
30 #include "ap/wps_hostapd.h"
31 #include "ap/ctrl_iface_ap.h"
32 #include "ap/ap_drv_ops.h"
33 #include "ap/wnm_ap.h"
34 #include "ap/wpa_auth.h"
35 #include "wps/wps_defs.h"
37 #include "config_file.h"
38 #include "ctrl_iface.h"
42 struct wpa_ctrl_dst *next;
43 struct sockaddr_un addr;
50 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
51 const char *buf, size_t len);
54 static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd,
55 struct sockaddr_un *from,
58 struct wpa_ctrl_dst *dst;
60 dst = os_zalloc(sizeof(*dst));
63 os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
64 dst->addrlen = fromlen;
65 dst->debug_level = MSG_INFO;
66 dst->next = hapd->ctrl_dst;
68 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached",
69 (u8 *) from->sun_path,
70 fromlen - offsetof(struct sockaddr_un, sun_path));
75 static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd,
76 struct sockaddr_un *from,
79 struct wpa_ctrl_dst *dst, *prev = NULL;
83 if (fromlen == dst->addrlen &&
84 os_memcmp(from->sun_path, dst->addr.sun_path,
85 fromlen - offsetof(struct sockaddr_un, sun_path))
87 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached",
88 (u8 *) from->sun_path,
90 offsetof(struct sockaddr_un, sun_path));
92 hapd->ctrl_dst = dst->next;
94 prev->next = dst->next;
105 static int hostapd_ctrl_iface_level(struct hostapd_data *hapd,
106 struct sockaddr_un *from,
110 struct wpa_ctrl_dst *dst;
112 wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
114 dst = hapd->ctrl_dst;
116 if (fromlen == dst->addrlen &&
117 os_memcmp(from->sun_path, dst->addr.sun_path,
118 fromlen - offsetof(struct sockaddr_un, sun_path))
120 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor "
121 "level", (u8 *) from->sun_path, fromlen -
122 offsetof(struct sockaddr_un, sun_path));
123 dst->debug_level = atoi(level);
133 static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
137 struct sta_info *sta;
139 wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr);
141 if (hwaddr_aton(txtaddr, addr))
144 sta = ap_get_sta(hapd, addr);
148 wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface "
149 "notification", MAC2STR(addr));
150 sta = ap_sta_add(hapd, addr);
154 hostapd_new_assoc_sta(hapd, sta, 0);
159 #ifdef CONFIG_IEEE80211W
161 static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd,
165 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
167 wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr);
169 if (hwaddr_aton(txtaddr, addr) ||
170 os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0)
173 ieee802_11_send_sa_query_req(hapd, addr, trans_id);
177 #endif /* NEED_AP_MLME */
178 #endif /* CONFIG_IEEE80211W */
182 static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt)
184 char *pin = os_strchr(txt, ' ');
187 u8 addr_buf[ETH_ALEN], *addr = NULL;
194 timeout_txt = os_strchr(pin, ' ');
196 *timeout_txt++ = '\0';
197 timeout = atoi(timeout_txt);
198 pos = os_strchr(timeout_txt, ' ');
201 if (hwaddr_aton(pos, addr_buf) == 0)
207 return hostapd_wps_add_pin(hapd, addr, txt, pin, timeout);
211 static int hostapd_ctrl_iface_wps_check_pin(
212 struct hostapd_data *hapd, char *cmd, char *buf, size_t buflen)
219 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
220 (u8 *) cmd, os_strlen(cmd));
221 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
222 if (*pos < '0' || *pos > '9')
226 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
230 if (len != 4 && len != 8) {
231 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
237 unsigned int pin_val;
239 if (!wps_pin_valid(pin_val)) {
240 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
241 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
242 if (ret < 0 || (size_t) ret >= buflen)
248 ret = os_snprintf(buf, buflen, "%s", pin);
249 if (ret < 0 || (size_t) ret >= buflen)
256 #ifdef CONFIG_WPS_NFC
257 static int hostapd_ctrl_iface_wps_nfc_tag_read(struct hostapd_data *hapd,
264 len = os_strlen(pos);
269 buf = wpabuf_alloc(len);
272 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
277 ret = hostapd_wps_nfc_tag_read(hapd, buf);
284 static int hostapd_ctrl_iface_wps_nfc_config_token(struct hostapd_data *hapd,
285 char *cmd, char *reply,
292 if (os_strcmp(cmd, "WPS") == 0)
294 else if (os_strcmp(cmd, "NDEF") == 0)
299 buf = hostapd_wps_nfc_config_token(hapd, ndef);
303 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
314 static int hostapd_ctrl_iface_wps_nfc_token_gen(struct hostapd_data *hapd,
315 char *reply, size_t max_len,
321 buf = hostapd_wps_nfc_token_gen(hapd, ndef);
325 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
336 static int hostapd_ctrl_iface_wps_nfc_token(struct hostapd_data *hapd,
337 char *cmd, char *reply,
340 if (os_strcmp(cmd, "WPS") == 0)
341 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
344 if (os_strcmp(cmd, "NDEF") == 0)
345 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
348 if (os_strcmp(cmd, "enable") == 0)
349 return hostapd_wps_nfc_token_enable(hapd);
351 if (os_strcmp(cmd, "disable") == 0) {
352 hostapd_wps_nfc_token_disable(hapd);
360 static int hostapd_ctrl_iface_nfc_get_handover_sel(struct hostapd_data *hapd,
361 char *cmd, char *reply,
369 pos = os_strchr(cmd, ' ');
374 if (os_strcmp(cmd, "WPS") == 0)
376 else if (os_strcmp(cmd, "NDEF") == 0)
381 if (os_strcmp(pos, "WPS-CR") == 0)
382 buf = hostapd_wps_nfc_hs_cr(hapd, ndef);
388 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
399 static int hostapd_ctrl_iface_nfc_report_handover(struct hostapd_data *hapd,
403 * Since NFC connection handover provided full WPS Credential, there is
404 * no need for additional operations within hostapd. Just report this in
407 wpa_printf(MSG_DEBUG, "NFC: Connection handover reported: %s", cmd);
411 #endif /* CONFIG_WPS_NFC */
414 static int hostapd_ctrl_iface_wps_ap_pin(struct hostapd_data *hapd, char *txt,
415 char *buf, size_t buflen)
421 pos = os_strchr(txt, ' ');
425 if (os_strcmp(txt, "disable") == 0) {
426 hostapd_wps_ap_pin_disable(hapd);
427 return os_snprintf(buf, buflen, "OK\n");
430 if (os_strcmp(txt, "random") == 0) {
433 pin_txt = hostapd_wps_ap_pin_random(hapd, timeout);
436 return os_snprintf(buf, buflen, "%s", pin_txt);
439 if (os_strcmp(txt, "get") == 0) {
440 pin_txt = hostapd_wps_ap_pin_get(hapd);
443 return os_snprintf(buf, buflen, "%s", pin_txt);
446 if (os_strcmp(txt, "set") == 0) {
451 pos = os_strchr(pos, ' ');
456 if (os_strlen(pin) > buflen)
458 if (hostapd_wps_ap_pin_set(hapd, pin, timeout) < 0)
460 return os_snprintf(buf, buflen, "%s", pin);
467 static int hostapd_ctrl_iface_wps_config(struct hostapd_data *hapd, char *txt)
470 char *ssid, *auth, *encr = NULL, *key = NULL;
473 pos = os_strchr(txt, ' ');
479 pos = os_strchr(pos, ' ');
483 pos = os_strchr(pos, ' ');
490 return hostapd_wps_config_ap(hapd, ssid, auth, encr, key);
494 static const char * pbc_status_str(enum pbc_status status)
497 case WPS_PBC_STATUS_DISABLE:
499 case WPS_PBC_STATUS_ACTIVE:
501 case WPS_PBC_STATUS_TIMEOUT:
503 case WPS_PBC_STATUS_OVERLAP:
511 static int hostapd_ctrl_iface_wps_get_status(struct hostapd_data *hapd,
512 char *buf, size_t buflen)
520 ret = os_snprintf(pos, end - pos, "PBC Status: %s\n",
521 pbc_status_str(hapd->wps_stats.pbc_status));
523 if (ret < 0 || ret >= end - pos)
527 ret = os_snprintf(pos, end - pos, "Last WPS result: %s\n",
528 (hapd->wps_stats.status == WPS_STATUS_SUCCESS ?
530 (hapd->wps_stats.status == WPS_STATUS_FAILURE ?
531 "Failed" : "None")));
533 if (ret < 0 || ret >= end - pos)
537 /* If status == Failure - Add possible Reasons */
538 if(hapd->wps_stats.status == WPS_STATUS_FAILURE &&
539 hapd->wps_stats.failure_reason > 0) {
540 ret = os_snprintf(pos, end - pos,
541 "Failure Reason: %s\n",
542 wps_ei_str(hapd->wps_stats.failure_reason));
544 if (ret < 0 || ret >= end - pos)
549 if (hapd->wps_stats.status) {
550 ret = os_snprintf(pos, end - pos, "Peer Address: " MACSTR "\n",
551 MAC2STR(hapd->wps_stats.peer_addr));
553 if (ret < 0 || ret >= end - pos)
561 #endif /* CONFIG_WPS */
564 #ifdef CONFIG_INTERWORKING
566 static int hostapd_ctrl_iface_set_qos_map_set(struct hostapd_data *hapd,
569 u8 qos_map_set[16 + 2 * 21], count = 0;
570 const char *pos = cmd;
574 if (count == sizeof(qos_map_set)) {
575 wpa_printf(MSG_ERROR, "Too many qos_map_set parameters");
580 if (val < 0 || val > 255) {
581 wpa_printf(MSG_INFO, "Invalid QoS Map Set");
585 qos_map_set[count++] = val;
586 pos = os_strchr(pos, ',');
592 if (count < 16 || count & 1) {
593 wpa_printf(MSG_INFO, "Invalid QoS Map Set");
597 ret = hostapd_drv_set_qos_map(hapd, qos_map_set, count);
599 wpa_printf(MSG_INFO, "Failed to set QoS Map Set");
603 os_memcpy(hapd->conf->qos_map_set, qos_map_set, count);
604 hapd->conf->qos_map_set_len = count;
610 static int hostapd_ctrl_iface_send_qos_map_conf(struct hostapd_data *hapd,
614 struct sta_info *sta;
616 u8 *qos_map_set = hapd->conf->qos_map_set;
617 u8 qos_map_set_len = hapd->conf->qos_map_set_len;
620 if (!qos_map_set_len) {
621 wpa_printf(MSG_INFO, "QoS Map Set is not set");
625 if (hwaddr_aton(cmd, addr))
628 sta = ap_get_sta(hapd, addr);
630 wpa_printf(MSG_DEBUG, "Station " MACSTR " not found "
631 "for QoS Map Configuration message",
636 if (!sta->qos_map_enabled) {
637 wpa_printf(MSG_DEBUG, "Station " MACSTR " did not indicate "
638 "support for QoS Map", MAC2STR(addr));
642 buf = wpabuf_alloc(2 + 2 + qos_map_set_len);
646 wpabuf_put_u8(buf, WLAN_ACTION_QOS);
647 wpabuf_put_u8(buf, QOS_QOS_MAP_CONFIG);
649 /* QoS Map Set Element */
650 wpabuf_put_u8(buf, WLAN_EID_QOS_MAP_SET);
651 wpabuf_put_u8(buf, qos_map_set_len);
652 wpabuf_put_data(buf, qos_map_set, qos_map_set_len);
654 ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
655 wpabuf_head(buf), wpabuf_len(buf));
661 #endif /* CONFIG_INTERWORKING */
666 static int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd,
671 struct sta_info *sta;
673 if (hwaddr_aton(cmd, addr))
677 disassoc_timer = atoi(cmd + 17);
679 sta = ap_get_sta(hapd, addr);
681 wpa_printf(MSG_DEBUG, "Station " MACSTR
682 " not found for disassociation imminent message",
687 return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer);
691 static int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd,
695 const char *url, *timerstr;
697 struct sta_info *sta;
699 if (hwaddr_aton(cmd, addr))
702 sta = ap_get_sta(hapd, addr);
704 wpa_printf(MSG_DEBUG, "Station " MACSTR
705 " not found for ESS disassociation imminent message",
711 if (*timerstr != ' ')
714 disassoc_timer = atoi(timerstr);
715 if (disassoc_timer < 0 || disassoc_timer > 65535)
718 url = os_strchr(timerstr, ' ');
723 return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer);
726 #endif /* CONFIG_WNM */
729 static int hostapd_ctrl_iface_get_config(struct hostapd_data *hapd,
730 char *buf, size_t buflen)
738 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n"
740 MAC2STR(hapd->own_addr),
741 wpa_ssid_txt(hapd->conf->ssid.ssid,
742 hapd->conf->ssid.ssid_len));
743 if (ret < 0 || ret >= end - pos)
748 ret = os_snprintf(pos, end - pos, "wps_state=%s\n",
749 hapd->conf->wps_state == 0 ? "disabled" :
750 (hapd->conf->wps_state == 1 ? "not configured" :
752 if (ret < 0 || ret >= end - pos)
756 if (hapd->conf->wps_state && hapd->conf->wpa &&
757 hapd->conf->ssid.wpa_passphrase) {
758 ret = os_snprintf(pos, end - pos, "passphrase=%s\n",
759 hapd->conf->ssid.wpa_passphrase);
760 if (ret < 0 || ret >= end - pos)
765 if (hapd->conf->wps_state && hapd->conf->wpa &&
766 hapd->conf->ssid.wpa_psk &&
767 hapd->conf->ssid.wpa_psk->group) {
768 char hex[PMK_LEN * 2 + 1];
769 wpa_snprintf_hex(hex, sizeof(hex),
770 hapd->conf->ssid.wpa_psk->psk, PMK_LEN);
771 ret = os_snprintf(pos, end - pos, "psk=%s\n", hex);
772 if (ret < 0 || ret >= end - pos)
776 #endif /* CONFIG_WPS */
778 if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) {
779 ret = os_snprintf(pos, end - pos, "key_mgmt=");
780 if (ret < 0 || ret >= end - pos)
784 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) {
785 ret = os_snprintf(pos, end - pos, "WPA-PSK ");
786 if (ret < 0 || ret >= end - pos)
790 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
791 ret = os_snprintf(pos, end - pos, "WPA-EAP ");
792 if (ret < 0 || ret >= end - pos)
796 #ifdef CONFIG_IEEE80211R
797 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) {
798 ret = os_snprintf(pos, end - pos, "FT-PSK ");
799 if (ret < 0 || ret >= end - pos)
803 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
804 ret = os_snprintf(pos, end - pos, "FT-EAP ");
805 if (ret < 0 || ret >= end - pos)
809 #endif /* CONFIG_IEEE80211R */
810 #ifdef CONFIG_IEEE80211W
811 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
812 ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 ");
813 if (ret < 0 || ret >= end - pos)
817 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
818 ret = os_snprintf(pos, end - pos, "WPA-EAP-SHA256 ");
819 if (ret < 0 || ret >= end - pos)
823 #endif /* CONFIG_IEEE80211W */
825 ret = os_snprintf(pos, end - pos, "\n");
826 if (ret < 0 || ret >= end - pos)
831 if (hapd->conf->wpa) {
832 ret = os_snprintf(pos, end - pos, "group_cipher=%s\n",
833 wpa_cipher_txt(hapd->conf->wpa_group));
834 if (ret < 0 || ret >= end - pos)
839 if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->rsn_pairwise) {
840 ret = os_snprintf(pos, end - pos, "rsn_pairwise_cipher=");
841 if (ret < 0 || ret >= end - pos)
845 ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise,
851 ret = os_snprintf(pos, end - pos, "\n");
852 if (ret < 0 || ret >= end - pos)
857 if ((hapd->conf->wpa & WPA_PROTO_WPA) && hapd->conf->wpa_pairwise) {
858 ret = os_snprintf(pos, end - pos, "wpa_pairwise_cipher=");
859 if (ret < 0 || ret >= end - pos)
863 ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise,
869 ret = os_snprintf(pos, end - pos, "\n");
870 if (ret < 0 || ret >= end - pos)
879 static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd)
884 value = os_strchr(cmd, ' ');
889 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
891 #ifdef CONFIG_WPS_TESTING
892 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
894 val = strtol(value, NULL, 0);
895 if (val < 0 || val > 0xff) {
897 wpa_printf(MSG_DEBUG, "WPS: Invalid "
898 "wps_version_number %ld", val);
900 wps_version_number = val;
901 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
903 (wps_version_number & 0xf0) >> 4,
904 wps_version_number & 0x0f);
905 hostapd_wps_update_ie(hapd);
907 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
908 wps_testing_dummy_cred = atoi(value);
909 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
910 wps_testing_dummy_cred);
911 #endif /* CONFIG_WPS_TESTING */
912 #ifdef CONFIG_INTERWORKING
913 } else if (os_strcasecmp(cmd, "gas_frag_limit") == 0) {
914 int val = atoi(value);
918 hapd->gas_frag_limit = val;
919 #endif /* CONFIG_INTERWORKING */
920 #ifdef CONFIG_TESTING_OPTIONS
921 } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
922 hapd->ext_mgmt_frame_handling = atoi(value);
923 #endif /* CONFIG_TESTING_OPTIONS */
925 ret = hostapd_set_iface(hapd->iconf, hapd->conf, cmd, value);
932 static int hostapd_ctrl_iface_get(struct hostapd_data *hapd, char *cmd,
933 char *buf, size_t buflen)
937 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
939 if (os_strcmp(cmd, "version") == 0) {
940 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
941 if (res < 0 || (unsigned int) res >= buflen)
950 static int hostapd_ctrl_iface_enable(struct hostapd_iface *iface)
952 if (hostapd_enable_iface(iface) < 0) {
953 wpa_printf(MSG_ERROR, "Enabling of interface failed");
960 static int hostapd_ctrl_iface_reload(struct hostapd_iface *iface)
962 if (hostapd_reload_iface(iface) < 0) {
963 wpa_printf(MSG_ERROR, "Reloading of interface failed");
970 static int hostapd_ctrl_iface_disable(struct hostapd_iface *iface)
972 if (hostapd_disable_iface(iface) < 0) {
973 wpa_printf(MSG_ERROR, "Disabling of interface failed");
980 #ifdef CONFIG_TESTING_OPTIONS
982 static int hostapd_ctrl_iface_radar(struct hostapd_data *hapd, char *cmd)
984 union wpa_event_data data;
986 enum wpa_event_type event;
988 wpa_printf(MSG_DEBUG, "RADAR TEST: %s", cmd);
990 os_memset(&data, 0, sizeof(data));
992 param = os_strchr(cmd, ' ');
997 if (os_strcmp(cmd, "DETECTED") == 0)
998 event = EVENT_DFS_RADAR_DETECTED;
999 else if (os_strcmp(cmd, "CAC-FINISHED") == 0)
1000 event = EVENT_DFS_CAC_FINISHED;
1001 else if (os_strcmp(cmd, "CAC-ABORTED") == 0)
1002 event = EVENT_DFS_CAC_ABORTED;
1003 else if (os_strcmp(cmd, "NOP-FINISHED") == 0)
1004 event = EVENT_DFS_NOP_FINISHED;
1006 wpa_printf(MSG_DEBUG, "Unsupported RADAR test command: %s",
1011 pos = os_strstr(param, "freq=");
1013 data.dfs_event.freq = atoi(pos + 5);
1015 pos = os_strstr(param, "ht_enabled=1");
1017 data.dfs_event.ht_enabled = 1;
1019 pos = os_strstr(param, "chan_offset=");
1021 data.dfs_event.chan_offset = atoi(pos + 12);
1023 pos = os_strstr(param, "chan_width=");
1025 data.dfs_event.chan_width = atoi(pos + 11);
1027 pos = os_strstr(param, "cf1=");
1029 data.dfs_event.cf1 = atoi(pos + 4);
1031 pos = os_strstr(param, "cf2=");
1033 data.dfs_event.cf2 = atoi(pos + 4);
1035 wpa_supplicant_event(hapd, event, &data);
1041 static int hostapd_ctrl_iface_mgmt_tx(struct hostapd_data *hapd, char *cmd)
1047 wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
1049 len = os_strlen(cmd);
1054 buf = os_malloc(len);
1058 if (hexstr2bin(cmd, buf, len) < 0) {
1063 res = hostapd_drv_send_mlme(hapd, buf, len, 0);
1068 #endif /* CONFIG_TESTING_OPTIONS */
1071 static int hostapd_ctrl_iface_chan_switch(struct hostapd_data *hapd, char *pos)
1074 struct csa_settings settings;
1075 int ret = hostapd_parse_csa_settings(pos, &settings);
1080 return hostapd_switch_channel(hapd, &settings);
1081 #else /* NEED_AP_MLME */
1083 #endif /* NEED_AP_MLME */
1087 static int hostapd_ctrl_iface_mib(struct hostapd_data *hapd, char *reply,
1088 int reply_size, const char *param)
1090 #ifdef RADIUS_SERVER
1091 if (os_strcmp(param, "radius_server") == 0) {
1092 return radius_server_get_mib(hapd->radius_srv, reply,
1095 #endif /* RADIUS_SERVER */
1100 static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
1103 struct hostapd_data *hapd = eloop_ctx;
1106 struct sockaddr_un from;
1107 socklen_t fromlen = sizeof(from);
1109 const int reply_size = 4096;
1111 int level = MSG_DEBUG;
1113 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
1114 (struct sockaddr *) &from, &fromlen);
1116 perror("recvfrom(ctrl_iface)");
1120 if (os_strcmp(buf, "PING") == 0)
1121 level = MSG_EXCESSIVE;
1122 wpa_hexdump_ascii(level, "RX ctrl_iface", (u8 *) buf, res);
1124 reply = os_malloc(reply_size);
1125 if (reply == NULL) {
1126 sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
1131 os_memcpy(reply, "OK\n", 3);
1134 if (os_strcmp(buf, "PING") == 0) {
1135 os_memcpy(reply, "PONG\n", 5);
1137 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
1138 if (wpa_debug_reopen_file() < 0)
1140 } else if (os_strcmp(buf, "STATUS") == 0) {
1141 reply_len = hostapd_ctrl_iface_status(hapd, reply,
1143 } else if (os_strcmp(buf, "MIB") == 0) {
1144 reply_len = ieee802_11_get_mib(hapd, reply, reply_size);
1145 if (reply_len >= 0) {
1146 res = wpa_get_mib(hapd->wpa_auth, reply + reply_len,
1147 reply_size - reply_len);
1153 if (reply_len >= 0) {
1154 res = ieee802_1x_get_mib(hapd, reply + reply_len,
1155 reply_size - reply_len);
1161 #ifndef CONFIG_NO_RADIUS
1162 if (reply_len >= 0) {
1163 res = radius_client_get_mib(hapd->radius,
1165 reply_size - reply_len);
1171 #endif /* CONFIG_NO_RADIUS */
1172 } else if (os_strncmp(buf, "MIB ", 4) == 0) {
1173 reply_len = hostapd_ctrl_iface_mib(hapd, reply, reply_size,
1175 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
1176 reply_len = hostapd_ctrl_iface_sta_first(hapd, reply,
1178 } else if (os_strncmp(buf, "STA ", 4) == 0) {
1179 reply_len = hostapd_ctrl_iface_sta(hapd, buf + 4, reply,
1181 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
1182 reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply,
1184 } else if (os_strcmp(buf, "ATTACH") == 0) {
1185 if (hostapd_ctrl_iface_attach(hapd, &from, fromlen))
1187 } else if (os_strcmp(buf, "DETACH") == 0) {
1188 if (hostapd_ctrl_iface_detach(hapd, &from, fromlen))
1190 } else if (os_strncmp(buf, "LEVEL ", 6) == 0) {
1191 if (hostapd_ctrl_iface_level(hapd, &from, fromlen,
1194 } else if (os_strncmp(buf, "NEW_STA ", 8) == 0) {
1195 if (hostapd_ctrl_iface_new_sta(hapd, buf + 8))
1197 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
1198 if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15))
1200 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
1201 if (hostapd_ctrl_iface_disassociate(hapd, buf + 13))
1203 #ifdef CONFIG_IEEE80211W
1205 } else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) {
1206 if (hostapd_ctrl_iface_sa_query(hapd, buf + 9))
1208 #endif /* NEED_AP_MLME */
1209 #endif /* CONFIG_IEEE80211W */
1211 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
1212 if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8))
1214 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
1215 reply_len = hostapd_ctrl_iface_wps_check_pin(
1216 hapd, buf + 14, reply, reply_size);
1217 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
1218 if (hostapd_wps_button_pushed(hapd, NULL))
1220 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
1221 if (hostapd_wps_cancel(hapd))
1223 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
1224 reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11,
1226 } else if (os_strncmp(buf, "WPS_CONFIG ", 11) == 0) {
1227 if (hostapd_ctrl_iface_wps_config(hapd, buf + 11) < 0)
1229 } else if (os_strncmp(buf, "WPS_GET_STATUS", 13) == 0) {
1230 reply_len = hostapd_ctrl_iface_wps_get_status(hapd, reply,
1232 #ifdef CONFIG_WPS_NFC
1233 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
1234 if (hostapd_ctrl_iface_wps_nfc_tag_read(hapd, buf + 17))
1236 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
1237 reply_len = hostapd_ctrl_iface_wps_nfc_config_token(
1238 hapd, buf + 21, reply, reply_size);
1239 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
1240 reply_len = hostapd_ctrl_iface_wps_nfc_token(
1241 hapd, buf + 14, reply, reply_size);
1242 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
1243 reply_len = hostapd_ctrl_iface_nfc_get_handover_sel(
1244 hapd, buf + 21, reply, reply_size);
1245 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
1246 if (hostapd_ctrl_iface_nfc_report_handover(hapd, buf + 20))
1248 #endif /* CONFIG_WPS_NFC */
1249 #endif /* CONFIG_WPS */
1250 #ifdef CONFIG_INTERWORKING
1251 } else if (os_strncmp(buf, "SET_QOS_MAP_SET ", 16) == 0) {
1252 if (hostapd_ctrl_iface_set_qos_map_set(hapd, buf + 16))
1254 } else if (os_strncmp(buf, "SEND_QOS_MAP_CONF ", 18) == 0) {
1255 if (hostapd_ctrl_iface_send_qos_map_conf(hapd, buf + 18))
1257 #endif /* CONFIG_INTERWORKING */
1259 } else if (os_strncmp(buf, "DISASSOC_IMMINENT ", 18) == 0) {
1260 if (hostapd_ctrl_iface_disassoc_imminent(hapd, buf + 18))
1262 } else if (os_strncmp(buf, "ESS_DISASSOC ", 13) == 0) {
1263 if (hostapd_ctrl_iface_ess_disassoc(hapd, buf + 13))
1265 #endif /* CONFIG_WNM */
1266 } else if (os_strcmp(buf, "GET_CONFIG") == 0) {
1267 reply_len = hostapd_ctrl_iface_get_config(hapd, reply,
1269 } else if (os_strncmp(buf, "SET ", 4) == 0) {
1270 if (hostapd_ctrl_iface_set(hapd, buf + 4))
1272 } else if (os_strncmp(buf, "GET ", 4) == 0) {
1273 reply_len = hostapd_ctrl_iface_get(hapd, buf + 4, reply,
1275 } else if (os_strncmp(buf, "ENABLE", 6) == 0) {
1276 if (hostapd_ctrl_iface_enable(hapd->iface))
1278 } else if (os_strncmp(buf, "RELOAD", 6) == 0) {
1279 if (hostapd_ctrl_iface_reload(hapd->iface))
1281 } else if (os_strncmp(buf, "DISABLE", 7) == 0) {
1282 if (hostapd_ctrl_iface_disable(hapd->iface))
1284 #ifdef CONFIG_TESTING_OPTIONS
1285 } else if (os_strncmp(buf, "RADAR ", 6) == 0) {
1286 if (hostapd_ctrl_iface_radar(hapd, buf + 6))
1288 } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
1289 if (hostapd_ctrl_iface_mgmt_tx(hapd, buf + 8))
1291 #endif /* CONFIG_TESTING_OPTIONS */
1292 } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
1293 if (hostapd_ctrl_iface_chan_switch(hapd, buf + 12))
1296 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1300 if (reply_len < 0) {
1301 os_memcpy(reply, "FAIL\n", 5);
1304 sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, fromlen);
1309 static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
1314 if (hapd->conf->ctrl_interface == NULL)
1317 len = os_strlen(hapd->conf->ctrl_interface) +
1318 os_strlen(hapd->conf->iface) + 2;
1319 buf = os_malloc(len);
1323 os_snprintf(buf, len, "%s/%s",
1324 hapd->conf->ctrl_interface, hapd->conf->iface);
1325 buf[len - 1] = '\0';
1330 static void hostapd_ctrl_iface_msg_cb(void *ctx, int level, int global,
1331 const char *txt, size_t len)
1333 struct hostapd_data *hapd = ctx;
1336 hostapd_ctrl_iface_send(hapd, level, txt, len);
1340 int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
1342 struct sockaddr_un addr;
1346 if (hapd->ctrl_sock > -1) {
1347 wpa_printf(MSG_DEBUG, "ctrl_iface already exists!");
1351 if (hapd->conf->ctrl_interface == NULL)
1354 if (mkdir(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
1355 if (errno == EEXIST) {
1356 wpa_printf(MSG_DEBUG, "Using existing control "
1357 "interface directory.");
1359 perror("mkdir[ctrl_interface]");
1364 if (hapd->conf->ctrl_interface_gid_set &&
1365 chown(hapd->conf->ctrl_interface, -1,
1366 hapd->conf->ctrl_interface_gid) < 0) {
1367 perror("chown[ctrl_interface]");
1371 if (!hapd->conf->ctrl_interface_gid_set &&
1372 hapd->iface->interfaces->ctrl_iface_group &&
1373 chown(hapd->conf->ctrl_interface, -1,
1374 hapd->iface->interfaces->ctrl_iface_group) < 0) {
1375 perror("chown[ctrl_interface]");
1381 * Android is using umask 0077 which would leave the control interface
1382 * directory without group access. This breaks things since Wi-Fi
1383 * framework assumes that this directory can be accessed by other
1384 * applications in the wifi group. Fix this by adding group access even
1385 * if umask value would prevent this.
1387 if (chmod(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
1388 wpa_printf(MSG_ERROR, "CTRL: Could not chmod directory: %s",
1390 /* Try to continue anyway */
1392 #endif /* ANDROID */
1394 if (os_strlen(hapd->conf->ctrl_interface) + 1 +
1395 os_strlen(hapd->conf->iface) >= sizeof(addr.sun_path))
1398 s = socket(PF_UNIX, SOCK_DGRAM, 0);
1400 perror("socket(PF_UNIX)");
1404 os_memset(&addr, 0, sizeof(addr));
1406 addr.sun_len = sizeof(addr);
1407 #endif /* __FreeBSD__ */
1408 addr.sun_family = AF_UNIX;
1409 fname = hostapd_ctrl_iface_path(hapd);
1412 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
1413 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1414 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
1416 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1417 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
1418 " allow connections - assuming it was left"
1419 "over from forced program termination");
1420 if (unlink(fname) < 0) {
1421 perror("unlink[ctrl_iface]");
1422 wpa_printf(MSG_ERROR, "Could not unlink "
1423 "existing ctrl_iface socket '%s'",
1427 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
1429 perror("hostapd-ctrl-iface: bind(PF_UNIX)");
1432 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
1433 "ctrl_iface socket '%s'", fname);
1435 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
1436 "be in use - cannot override it");
1437 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
1438 "not used anymore", fname);
1445 if (hapd->conf->ctrl_interface_gid_set &&
1446 chown(fname, -1, hapd->conf->ctrl_interface_gid) < 0) {
1447 perror("chown[ctrl_interface/ifname]");
1451 if (!hapd->conf->ctrl_interface_gid_set &&
1452 hapd->iface->interfaces->ctrl_iface_group &&
1453 chown(fname, -1, hapd->iface->interfaces->ctrl_iface_group) < 0) {
1454 perror("chown[ctrl_interface/ifname]");
1458 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
1459 perror("chmod[ctrl_interface/ifname]");
1464 hapd->ctrl_sock = s;
1465 eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd,
1467 hapd->msg_ctx = hapd;
1468 wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb);
1483 void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
1485 struct wpa_ctrl_dst *dst, *prev;
1487 if (hapd->ctrl_sock > -1) {
1489 eloop_unregister_read_sock(hapd->ctrl_sock);
1490 close(hapd->ctrl_sock);
1491 hapd->ctrl_sock = -1;
1492 fname = hostapd_ctrl_iface_path(hapd);
1497 if (hapd->conf->ctrl_interface &&
1498 rmdir(hapd->conf->ctrl_interface) < 0) {
1499 if (errno == ENOTEMPTY) {
1500 wpa_printf(MSG_DEBUG, "Control interface "
1501 "directory not empty - leaving it "
1504 wpa_printf(MSG_ERROR,
1505 "rmdir[ctrl_interface=%s]: %s",
1506 hapd->conf->ctrl_interface,
1512 dst = hapd->ctrl_dst;
1521 static int hostapd_ctrl_iface_add(struct hapd_interfaces *interfaces,
1524 if (hostapd_add_iface(interfaces, buf) < 0) {
1525 wpa_printf(MSG_ERROR, "Adding interface %s failed", buf);
1532 static int hostapd_ctrl_iface_remove(struct hapd_interfaces *interfaces,
1535 if (hostapd_remove_iface(interfaces, buf) < 0) {
1536 wpa_printf(MSG_ERROR, "Removing interface %s failed", buf);
1543 static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
1546 void *interfaces = eloop_ctx;
1549 struct sockaddr_un from;
1550 socklen_t fromlen = sizeof(from);
1554 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
1555 (struct sockaddr *) &from, &fromlen);
1557 perror("recvfrom(ctrl_iface)");
1561 wpa_printf(MSG_DEBUG, "Global ctrl_iface command: %s", buf);
1563 os_memcpy(reply, "OK\n", 3);
1566 if (os_strcmp(buf, "PING") == 0) {
1567 os_memcpy(reply, "PONG\n", 5);
1569 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
1570 if (wpa_debug_reopen_file() < 0)
1572 } else if (os_strncmp(buf, "ADD ", 4) == 0) {
1573 if (hostapd_ctrl_iface_add(interfaces, buf + 4) < 0)
1575 } else if (os_strncmp(buf, "REMOVE ", 7) == 0) {
1576 if (hostapd_ctrl_iface_remove(interfaces, buf + 7) < 0)
1579 wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command "
1584 if (reply_len < 0) {
1585 os_memcpy(reply, "FAIL\n", 5);
1589 sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, fromlen);
1593 static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface)
1598 if (interface->global_iface_path == NULL)
1601 len = os_strlen(interface->global_iface_path) +
1602 os_strlen(interface->global_iface_name) + 2;
1603 buf = os_malloc(len);
1607 os_snprintf(buf, len, "%s/%s", interface->global_iface_path,
1608 interface->global_iface_name);
1609 buf[len - 1] = '\0';
1614 int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface)
1616 struct sockaddr_un addr;
1620 if (interface->global_iface_path == NULL) {
1621 wpa_printf(MSG_DEBUG, "ctrl_iface not configured!");
1625 if (mkdir(interface->global_iface_path, S_IRWXU | S_IRWXG) < 0) {
1626 if (errno == EEXIST) {
1627 wpa_printf(MSG_DEBUG, "Using existing control "
1628 "interface directory.");
1630 perror("mkdir[ctrl_interface]");
1633 } else if (interface->ctrl_iface_group &&
1634 chown(interface->global_iface_path, -1,
1635 interface->ctrl_iface_group) < 0) {
1636 perror("chown[ctrl_interface]");
1640 if (os_strlen(interface->global_iface_path) + 1 +
1641 os_strlen(interface->global_iface_name) >= sizeof(addr.sun_path))
1644 s = socket(PF_UNIX, SOCK_DGRAM, 0);
1646 perror("socket(PF_UNIX)");
1650 os_memset(&addr, 0, sizeof(addr));
1652 addr.sun_len = sizeof(addr);
1653 #endif /* __FreeBSD__ */
1654 addr.sun_family = AF_UNIX;
1655 fname = hostapd_global_ctrl_iface_path(interface);
1658 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
1659 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1660 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
1662 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1663 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
1664 " allow connections - assuming it was left"
1665 "over from forced program termination");
1666 if (unlink(fname) < 0) {
1667 perror("unlink[ctrl_iface]");
1668 wpa_printf(MSG_ERROR, "Could not unlink "
1669 "existing ctrl_iface socket '%s'",
1673 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
1675 perror("bind(PF_UNIX)");
1678 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
1679 "ctrl_iface socket '%s'", fname);
1681 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
1682 "be in use - cannot override it");
1683 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
1684 "not used anymore", fname);
1691 if (interface->ctrl_iface_group &&
1692 chown(fname, -1, interface->ctrl_iface_group) < 0) {
1693 perror("chown[ctrl_interface]");
1697 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
1698 perror("chmod[ctrl_interface/ifname]");
1703 interface->global_ctrl_sock = s;
1704 eloop_register_read_sock(s, hostapd_global_ctrl_iface_receive,
1720 void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces)
1724 if (interfaces->global_ctrl_sock > -1) {
1725 eloop_unregister_read_sock(interfaces->global_ctrl_sock);
1726 close(interfaces->global_ctrl_sock);
1727 interfaces->global_ctrl_sock = -1;
1728 fname = hostapd_global_ctrl_iface_path(interfaces);
1734 if (interfaces->global_iface_path &&
1735 rmdir(interfaces->global_iface_path) < 0) {
1736 if (errno == ENOTEMPTY) {
1737 wpa_printf(MSG_DEBUG, "Control interface "
1738 "directory not empty - leaving it "
1741 wpa_printf(MSG_ERROR,
1742 "rmdir[ctrl_interface=%s]: %s",
1743 interfaces->global_iface_path,
1747 os_free(interfaces->global_iface_path);
1748 interfaces->global_iface_path = NULL;
1753 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
1754 const char *buf, size_t len)
1756 struct wpa_ctrl_dst *dst, *next;
1762 dst = hapd->ctrl_dst;
1763 if (hapd->ctrl_sock < 0 || dst == NULL)
1766 os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
1767 io[0].iov_base = levelstr;
1768 io[0].iov_len = os_strlen(levelstr);
1769 io[1].iov_base = (char *) buf;
1770 io[1].iov_len = len;
1771 os_memset(&msg, 0, sizeof(msg));
1778 if (level >= dst->debug_level) {
1779 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send",
1780 (u8 *) dst->addr.sun_path, dst->addrlen -
1781 offsetof(struct sockaddr_un, sun_path));
1782 msg.msg_name = &dst->addr;
1783 msg.msg_namelen = dst->addrlen;
1784 if (sendmsg(hapd->ctrl_sock, &msg, 0) < 0) {
1786 wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: "
1788 idx, errno, strerror(errno));
1790 if (dst->errors > 10 || _errno == ENOENT) {
1791 hostapd_ctrl_iface_detach(
1803 #endif /* CONFIG_NATIVE_WINDOWS */