2 * hostapd / UNIX domain socket -based control interface
3 * Copyright (c) 2004-2014, 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"
34 #include "ap/wnm_ap.h"
35 #include "ap/wpa_auth.h"
36 #include "wps/wps_defs.h"
38 #include "config_file.h"
39 #include "ctrl_iface.h"
43 struct wpa_ctrl_dst *next;
44 struct sockaddr_un addr;
51 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
52 const char *buf, size_t len);
55 static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd,
56 struct sockaddr_un *from,
59 struct wpa_ctrl_dst *dst;
61 dst = os_zalloc(sizeof(*dst));
64 os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
65 dst->addrlen = fromlen;
66 dst->debug_level = MSG_INFO;
67 dst->next = hapd->ctrl_dst;
69 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached",
70 (u8 *) from->sun_path,
71 fromlen - offsetof(struct sockaddr_un, sun_path));
76 static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd,
77 struct sockaddr_un *from,
80 struct wpa_ctrl_dst *dst, *prev = NULL;
84 if (fromlen == dst->addrlen &&
85 os_memcmp(from->sun_path, dst->addr.sun_path,
86 fromlen - offsetof(struct sockaddr_un, sun_path))
88 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached",
89 (u8 *) from->sun_path,
91 offsetof(struct sockaddr_un, sun_path));
93 hapd->ctrl_dst = dst->next;
95 prev->next = dst->next;
106 static int hostapd_ctrl_iface_level(struct hostapd_data *hapd,
107 struct sockaddr_un *from,
111 struct wpa_ctrl_dst *dst;
113 wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
115 dst = hapd->ctrl_dst;
117 if (fromlen == dst->addrlen &&
118 os_memcmp(from->sun_path, dst->addr.sun_path,
119 fromlen - offsetof(struct sockaddr_un, sun_path))
121 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor "
122 "level", (u8 *) from->sun_path, fromlen -
123 offsetof(struct sockaddr_un, sun_path));
124 dst->debug_level = atoi(level);
134 static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
138 struct sta_info *sta;
140 wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr);
142 if (hwaddr_aton(txtaddr, addr))
145 sta = ap_get_sta(hapd, addr);
149 wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface "
150 "notification", MAC2STR(addr));
151 sta = ap_sta_add(hapd, addr);
155 hostapd_new_assoc_sta(hapd, sta, 0);
160 #ifdef CONFIG_IEEE80211W
162 static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd,
166 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
168 wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr);
170 if (hwaddr_aton(txtaddr, addr) ||
171 os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0)
174 ieee802_11_send_sa_query_req(hapd, addr, trans_id);
178 #endif /* NEED_AP_MLME */
179 #endif /* CONFIG_IEEE80211W */
183 static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt)
185 char *pin = os_strchr(txt, ' ');
188 u8 addr_buf[ETH_ALEN], *addr = NULL;
195 timeout_txt = os_strchr(pin, ' ');
197 *timeout_txt++ = '\0';
198 timeout = atoi(timeout_txt);
199 pos = os_strchr(timeout_txt, ' ');
202 if (hwaddr_aton(pos, addr_buf) == 0)
208 return hostapd_wps_add_pin(hapd, addr, txt, pin, timeout);
212 static int hostapd_ctrl_iface_wps_check_pin(
213 struct hostapd_data *hapd, char *cmd, char *buf, size_t buflen)
220 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
221 (u8 *) cmd, os_strlen(cmd));
222 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
223 if (*pos < '0' || *pos > '9')
227 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
231 if (len != 4 && len != 8) {
232 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
238 unsigned int pin_val;
240 if (!wps_pin_valid(pin_val)) {
241 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
242 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
243 if (ret < 0 || (size_t) ret >= buflen)
249 ret = os_snprintf(buf, buflen, "%s", pin);
250 if (ret < 0 || (size_t) ret >= buflen)
257 #ifdef CONFIG_WPS_NFC
258 static int hostapd_ctrl_iface_wps_nfc_tag_read(struct hostapd_data *hapd,
265 len = os_strlen(pos);
270 buf = wpabuf_alloc(len);
273 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
278 ret = hostapd_wps_nfc_tag_read(hapd, buf);
285 static int hostapd_ctrl_iface_wps_nfc_config_token(struct hostapd_data *hapd,
286 char *cmd, char *reply,
293 if (os_strcmp(cmd, "WPS") == 0)
295 else if (os_strcmp(cmd, "NDEF") == 0)
300 buf = hostapd_wps_nfc_config_token(hapd, ndef);
304 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
315 static int hostapd_ctrl_iface_wps_nfc_token_gen(struct hostapd_data *hapd,
316 char *reply, size_t max_len,
322 buf = hostapd_wps_nfc_token_gen(hapd, ndef);
326 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
337 static int hostapd_ctrl_iface_wps_nfc_token(struct hostapd_data *hapd,
338 char *cmd, char *reply,
341 if (os_strcmp(cmd, "WPS") == 0)
342 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
345 if (os_strcmp(cmd, "NDEF") == 0)
346 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
349 if (os_strcmp(cmd, "enable") == 0)
350 return hostapd_wps_nfc_token_enable(hapd);
352 if (os_strcmp(cmd, "disable") == 0) {
353 hostapd_wps_nfc_token_disable(hapd);
361 static int hostapd_ctrl_iface_nfc_get_handover_sel(struct hostapd_data *hapd,
362 char *cmd, char *reply,
370 pos = os_strchr(cmd, ' ');
375 if (os_strcmp(cmd, "WPS") == 0)
377 else if (os_strcmp(cmd, "NDEF") == 0)
382 if (os_strcmp(pos, "WPS-CR") == 0)
383 buf = hostapd_wps_nfc_hs_cr(hapd, ndef);
389 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
400 static int hostapd_ctrl_iface_nfc_report_handover(struct hostapd_data *hapd,
404 struct wpabuf *req, *sel;
406 char *pos, *role, *type, *pos2;
409 pos = os_strchr(role, ' ');
415 pos = os_strchr(type, ' ');
420 pos2 = os_strchr(pos, ' ');
425 len = os_strlen(pos);
430 req = wpabuf_alloc(len);
433 if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
438 len = os_strlen(pos2);
445 sel = wpabuf_alloc(len);
450 if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
456 if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0) {
457 ret = hostapd_wps_nfc_report_handover(hapd, req, sel);
459 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
460 "reported: role=%s type=%s", role, type);
469 #endif /* CONFIG_WPS_NFC */
472 static int hostapd_ctrl_iface_wps_ap_pin(struct hostapd_data *hapd, char *txt,
473 char *buf, size_t buflen)
479 pos = os_strchr(txt, ' ');
483 if (os_strcmp(txt, "disable") == 0) {
484 hostapd_wps_ap_pin_disable(hapd);
485 return os_snprintf(buf, buflen, "OK\n");
488 if (os_strcmp(txt, "random") == 0) {
491 pin_txt = hostapd_wps_ap_pin_random(hapd, timeout);
494 return os_snprintf(buf, buflen, "%s", pin_txt);
497 if (os_strcmp(txt, "get") == 0) {
498 pin_txt = hostapd_wps_ap_pin_get(hapd);
501 return os_snprintf(buf, buflen, "%s", pin_txt);
504 if (os_strcmp(txt, "set") == 0) {
509 pos = os_strchr(pos, ' ');
514 if (os_strlen(pin) > buflen)
516 if (hostapd_wps_ap_pin_set(hapd, pin, timeout) < 0)
518 return os_snprintf(buf, buflen, "%s", pin);
525 static int hostapd_ctrl_iface_wps_config(struct hostapd_data *hapd, char *txt)
528 char *ssid, *auth, *encr = NULL, *key = NULL;
531 pos = os_strchr(txt, ' ');
537 pos = os_strchr(pos, ' ');
541 pos = os_strchr(pos, ' ');
548 return hostapd_wps_config_ap(hapd, ssid, auth, encr, key);
552 static const char * pbc_status_str(enum pbc_status status)
555 case WPS_PBC_STATUS_DISABLE:
557 case WPS_PBC_STATUS_ACTIVE:
559 case WPS_PBC_STATUS_TIMEOUT:
561 case WPS_PBC_STATUS_OVERLAP:
569 static int hostapd_ctrl_iface_wps_get_status(struct hostapd_data *hapd,
570 char *buf, size_t buflen)
578 ret = os_snprintf(pos, end - pos, "PBC Status: %s\n",
579 pbc_status_str(hapd->wps_stats.pbc_status));
581 if (ret < 0 || ret >= end - pos)
585 ret = os_snprintf(pos, end - pos, "Last WPS result: %s\n",
586 (hapd->wps_stats.status == WPS_STATUS_SUCCESS ?
588 (hapd->wps_stats.status == WPS_STATUS_FAILURE ?
589 "Failed" : "None")));
591 if (ret < 0 || ret >= end - pos)
595 /* If status == Failure - Add possible Reasons */
596 if(hapd->wps_stats.status == WPS_STATUS_FAILURE &&
597 hapd->wps_stats.failure_reason > 0) {
598 ret = os_snprintf(pos, end - pos,
599 "Failure Reason: %s\n",
600 wps_ei_str(hapd->wps_stats.failure_reason));
602 if (ret < 0 || ret >= end - pos)
607 if (hapd->wps_stats.status) {
608 ret = os_snprintf(pos, end - pos, "Peer Address: " MACSTR "\n",
609 MAC2STR(hapd->wps_stats.peer_addr));
611 if (ret < 0 || ret >= end - pos)
619 #endif /* CONFIG_WPS */
623 static int hostapd_ctrl_iface_hs20_wnm_notif(struct hostapd_data *hapd,
629 if (hwaddr_aton(cmd, addr))
642 return hs20_send_wnm_notification(hapd, addr, 1, url);
646 static int hostapd_ctrl_iface_hs20_deauth_req(struct hostapd_data *hapd,
650 int code, reauth_delay, ret;
655 /* <STA MAC Addr> <Code(0/1)> <Re-auth-Delay(sec)> [URL] */
656 if (hwaddr_aton(cmd, addr))
659 pos = os_strchr(cmd, ' ');
665 pos = os_strchr(pos, ' ');
669 reauth_delay = atoi(pos);
672 pos = os_strchr(pos, ' ');
675 url_len = os_strlen(pos);
678 req = wpabuf_alloc(4 + url_len);
681 wpabuf_put_u8(req, code);
682 wpabuf_put_le16(req, reauth_delay);
683 wpabuf_put_u8(req, url_len);
685 wpabuf_put_data(req, pos, url_len);
687 wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification to " MACSTR
688 " to indicate imminent deauthentication (code=%d "
689 "reauth_delay=%d)", MAC2STR(addr), code, reauth_delay);
690 ret = hs20_send_wnm_notification_deauth_req(hapd, addr, req);
695 #endif /* CONFIG_HS20 */
698 #ifdef CONFIG_INTERWORKING
700 static int hostapd_ctrl_iface_set_qos_map_set(struct hostapd_data *hapd,
703 u8 qos_map_set[16 + 2 * 21], count = 0;
704 const char *pos = cmd;
708 if (count == sizeof(qos_map_set)) {
709 wpa_printf(MSG_ERROR, "Too many qos_map_set parameters");
714 if (val < 0 || val > 255) {
715 wpa_printf(MSG_INFO, "Invalid QoS Map Set");
719 qos_map_set[count++] = val;
720 pos = os_strchr(pos, ',');
726 if (count < 16 || count & 1) {
727 wpa_printf(MSG_INFO, "Invalid QoS Map Set");
731 ret = hostapd_drv_set_qos_map(hapd, qos_map_set, count);
733 wpa_printf(MSG_INFO, "Failed to set QoS Map Set");
737 os_memcpy(hapd->conf->qos_map_set, qos_map_set, count);
738 hapd->conf->qos_map_set_len = count;
744 static int hostapd_ctrl_iface_send_qos_map_conf(struct hostapd_data *hapd,
748 struct sta_info *sta;
750 u8 *qos_map_set = hapd->conf->qos_map_set;
751 u8 qos_map_set_len = hapd->conf->qos_map_set_len;
754 if (!qos_map_set_len) {
755 wpa_printf(MSG_INFO, "QoS Map Set is not set");
759 if (hwaddr_aton(cmd, addr))
762 sta = ap_get_sta(hapd, addr);
764 wpa_printf(MSG_DEBUG, "Station " MACSTR " not found "
765 "for QoS Map Configuration message",
770 if (!sta->qos_map_enabled) {
771 wpa_printf(MSG_DEBUG, "Station " MACSTR " did not indicate "
772 "support for QoS Map", MAC2STR(addr));
776 buf = wpabuf_alloc(2 + 2 + qos_map_set_len);
780 wpabuf_put_u8(buf, WLAN_ACTION_QOS);
781 wpabuf_put_u8(buf, QOS_QOS_MAP_CONFIG);
783 /* QoS Map Set Element */
784 wpabuf_put_u8(buf, WLAN_EID_QOS_MAP_SET);
785 wpabuf_put_u8(buf, qos_map_set_len);
786 wpabuf_put_data(buf, qos_map_set, qos_map_set_len);
788 ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
789 wpabuf_head(buf), wpabuf_len(buf));
795 #endif /* CONFIG_INTERWORKING */
800 static int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd,
805 struct sta_info *sta;
807 if (hwaddr_aton(cmd, addr))
811 disassoc_timer = atoi(cmd + 17);
813 sta = ap_get_sta(hapd, addr);
815 wpa_printf(MSG_DEBUG, "Station " MACSTR
816 " not found for disassociation imminent message",
821 return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer);
825 static int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd,
829 const char *url, *timerstr;
831 struct sta_info *sta;
833 if (hwaddr_aton(cmd, addr))
836 sta = ap_get_sta(hapd, addr);
838 wpa_printf(MSG_DEBUG, "Station " MACSTR
839 " not found for ESS disassociation imminent message",
845 if (*timerstr != ' ')
848 disassoc_timer = atoi(timerstr);
849 if (disassoc_timer < 0 || disassoc_timer > 65535)
852 url = os_strchr(timerstr, ' ');
857 return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer);
860 #endif /* CONFIG_WNM */
863 static int hostapd_ctrl_iface_get_config(struct hostapd_data *hapd,
864 char *buf, size_t buflen)
872 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n"
874 MAC2STR(hapd->own_addr),
875 wpa_ssid_txt(hapd->conf->ssid.ssid,
876 hapd->conf->ssid.ssid_len));
877 if (ret < 0 || ret >= end - pos)
882 ret = os_snprintf(pos, end - pos, "wps_state=%s\n",
883 hapd->conf->wps_state == 0 ? "disabled" :
884 (hapd->conf->wps_state == 1 ? "not configured" :
886 if (ret < 0 || ret >= end - pos)
890 if (hapd->conf->wps_state && hapd->conf->wpa &&
891 hapd->conf->ssid.wpa_passphrase) {
892 ret = os_snprintf(pos, end - pos, "passphrase=%s\n",
893 hapd->conf->ssid.wpa_passphrase);
894 if (ret < 0 || ret >= end - pos)
899 if (hapd->conf->wps_state && hapd->conf->wpa &&
900 hapd->conf->ssid.wpa_psk &&
901 hapd->conf->ssid.wpa_psk->group) {
902 char hex[PMK_LEN * 2 + 1];
903 wpa_snprintf_hex(hex, sizeof(hex),
904 hapd->conf->ssid.wpa_psk->psk, PMK_LEN);
905 ret = os_snprintf(pos, end - pos, "psk=%s\n", hex);
906 if (ret < 0 || ret >= end - pos)
910 #endif /* CONFIG_WPS */
912 if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) {
913 ret = os_snprintf(pos, end - pos, "key_mgmt=");
914 if (ret < 0 || ret >= end - pos)
918 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) {
919 ret = os_snprintf(pos, end - pos, "WPA-PSK ");
920 if (ret < 0 || ret >= end - pos)
924 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
925 ret = os_snprintf(pos, end - pos, "WPA-EAP ");
926 if (ret < 0 || ret >= end - pos)
930 #ifdef CONFIG_IEEE80211R
931 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) {
932 ret = os_snprintf(pos, end - pos, "FT-PSK ");
933 if (ret < 0 || ret >= end - pos)
937 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
938 ret = os_snprintf(pos, end - pos, "FT-EAP ");
939 if (ret < 0 || ret >= end - pos)
943 #endif /* CONFIG_IEEE80211R */
944 #ifdef CONFIG_IEEE80211W
945 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
946 ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 ");
947 if (ret < 0 || ret >= end - pos)
951 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
952 ret = os_snprintf(pos, end - pos, "WPA-EAP-SHA256 ");
953 if (ret < 0 || ret >= end - pos)
957 #endif /* CONFIG_IEEE80211W */
959 ret = os_snprintf(pos, end - pos, "\n");
960 if (ret < 0 || ret >= end - pos)
965 if (hapd->conf->wpa) {
966 ret = os_snprintf(pos, end - pos, "group_cipher=%s\n",
967 wpa_cipher_txt(hapd->conf->wpa_group));
968 if (ret < 0 || ret >= end - pos)
973 if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->rsn_pairwise) {
974 ret = os_snprintf(pos, end - pos, "rsn_pairwise_cipher=");
975 if (ret < 0 || ret >= end - pos)
979 ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise,
985 ret = os_snprintf(pos, end - pos, "\n");
986 if (ret < 0 || ret >= end - pos)
991 if ((hapd->conf->wpa & WPA_PROTO_WPA) && hapd->conf->wpa_pairwise) {
992 ret = os_snprintf(pos, end - pos, "wpa_pairwise_cipher=");
993 if (ret < 0 || ret >= end - pos)
997 ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise,
1003 ret = os_snprintf(pos, end - pos, "\n");
1004 if (ret < 0 || ret >= end - pos)
1013 static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd)
1018 value = os_strchr(cmd, ' ');
1023 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
1025 #ifdef CONFIG_WPS_TESTING
1026 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
1028 val = strtol(value, NULL, 0);
1029 if (val < 0 || val > 0xff) {
1031 wpa_printf(MSG_DEBUG, "WPS: Invalid "
1032 "wps_version_number %ld", val);
1034 wps_version_number = val;
1035 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
1037 (wps_version_number & 0xf0) >> 4,
1038 wps_version_number & 0x0f);
1039 hostapd_wps_update_ie(hapd);
1041 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
1042 wps_testing_dummy_cred = atoi(value);
1043 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
1044 wps_testing_dummy_cred);
1045 } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
1046 wps_corrupt_pkhash = atoi(value);
1047 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
1048 wps_corrupt_pkhash);
1049 #endif /* CONFIG_WPS_TESTING */
1050 #ifdef CONFIG_INTERWORKING
1051 } else if (os_strcasecmp(cmd, "gas_frag_limit") == 0) {
1052 int val = atoi(value);
1056 hapd->gas_frag_limit = val;
1057 #endif /* CONFIG_INTERWORKING */
1058 #ifdef CONFIG_TESTING_OPTIONS
1059 } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
1060 hapd->ext_mgmt_frame_handling = atoi(value);
1061 #endif /* CONFIG_TESTING_OPTIONS */
1063 struct sta_info *sta;
1066 ret = hostapd_set_iface(hapd->iconf, hapd->conf, cmd, value);
1070 if (os_strcasecmp(cmd, "deny_mac_file") == 0) {
1071 for (sta = hapd->sta_list; sta; sta = sta->next) {
1072 if (hostapd_maclist_found(
1073 hapd->conf->deny_mac,
1074 hapd->conf->num_deny_mac, sta->addr,
1076 (!vlan_id || vlan_id == sta->vlan_id))
1077 ap_sta_deauthenticate(
1079 WLAN_REASON_UNSPECIFIED);
1081 } else if (hapd->conf->macaddr_acl == DENY_UNLESS_ACCEPTED &&
1082 os_strcasecmp(cmd, "accept_mac_file") == 0) {
1083 for (sta = hapd->sta_list; sta; sta = sta->next) {
1084 if (!hostapd_maclist_found(
1085 hapd->conf->accept_mac,
1086 hapd->conf->num_accept_mac,
1087 sta->addr, &vlan_id) ||
1088 (vlan_id && vlan_id != sta->vlan_id))
1089 ap_sta_deauthenticate(
1091 WLAN_REASON_UNSPECIFIED);
1100 static int hostapd_ctrl_iface_get(struct hostapd_data *hapd, char *cmd,
1101 char *buf, size_t buflen)
1105 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
1107 if (os_strcmp(cmd, "version") == 0) {
1108 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
1109 if (res < 0 || (unsigned int) res >= buflen)
1118 static int hostapd_ctrl_iface_enable(struct hostapd_iface *iface)
1120 if (hostapd_enable_iface(iface) < 0) {
1121 wpa_printf(MSG_ERROR, "Enabling of interface failed");
1128 static int hostapd_ctrl_iface_reload(struct hostapd_iface *iface)
1130 if (hostapd_reload_iface(iface) < 0) {
1131 wpa_printf(MSG_ERROR, "Reloading of interface failed");
1138 static int hostapd_ctrl_iface_disable(struct hostapd_iface *iface)
1140 if (hostapd_disable_iface(iface) < 0) {
1141 wpa_printf(MSG_ERROR, "Disabling of interface failed");
1148 #ifdef CONFIG_TESTING_OPTIONS
1150 static int hostapd_ctrl_iface_radar(struct hostapd_data *hapd, char *cmd)
1152 union wpa_event_data data;
1154 enum wpa_event_type event;
1156 wpa_printf(MSG_DEBUG, "RADAR TEST: %s", cmd);
1158 os_memset(&data, 0, sizeof(data));
1160 param = os_strchr(cmd, ' ');
1165 if (os_strcmp(cmd, "DETECTED") == 0)
1166 event = EVENT_DFS_RADAR_DETECTED;
1167 else if (os_strcmp(cmd, "CAC-FINISHED") == 0)
1168 event = EVENT_DFS_CAC_FINISHED;
1169 else if (os_strcmp(cmd, "CAC-ABORTED") == 0)
1170 event = EVENT_DFS_CAC_ABORTED;
1171 else if (os_strcmp(cmd, "NOP-FINISHED") == 0)
1172 event = EVENT_DFS_NOP_FINISHED;
1174 wpa_printf(MSG_DEBUG, "Unsupported RADAR test command: %s",
1179 pos = os_strstr(param, "freq=");
1181 data.dfs_event.freq = atoi(pos + 5);
1183 pos = os_strstr(param, "ht_enabled=1");
1185 data.dfs_event.ht_enabled = 1;
1187 pos = os_strstr(param, "chan_offset=");
1189 data.dfs_event.chan_offset = atoi(pos + 12);
1191 pos = os_strstr(param, "chan_width=");
1193 data.dfs_event.chan_width = atoi(pos + 11);
1195 pos = os_strstr(param, "cf1=");
1197 data.dfs_event.cf1 = atoi(pos + 4);
1199 pos = os_strstr(param, "cf2=");
1201 data.dfs_event.cf2 = atoi(pos + 4);
1203 wpa_supplicant_event(hapd, event, &data);
1209 static int hostapd_ctrl_iface_mgmt_tx(struct hostapd_data *hapd, char *cmd)
1215 wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
1217 len = os_strlen(cmd);
1222 buf = os_malloc(len);
1226 if (hexstr2bin(cmd, buf, len) < 0) {
1231 res = hostapd_drv_send_mlme(hapd, buf, len, 0);
1236 #endif /* CONFIG_TESTING_OPTIONS */
1239 static int hostapd_ctrl_iface_chan_switch(struct hostapd_data *hapd, char *pos)
1242 struct csa_settings settings;
1243 int ret = hostapd_parse_csa_settings(pos, &settings);
1248 return hostapd_switch_channel(hapd, &settings);
1249 #else /* NEED_AP_MLME */
1251 #endif /* NEED_AP_MLME */
1255 static int hostapd_ctrl_iface_mib(struct hostapd_data *hapd, char *reply,
1256 int reply_size, const char *param)
1258 #ifdef RADIUS_SERVER
1259 if (os_strcmp(param, "radius_server") == 0) {
1260 return radius_server_get_mib(hapd->radius_srv, reply,
1263 #endif /* RADIUS_SERVER */
1268 static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
1271 struct hostapd_data *hapd = eloop_ctx;
1274 struct sockaddr_un from;
1275 socklen_t fromlen = sizeof(from);
1277 const int reply_size = 4096;
1279 int level = MSG_DEBUG;
1281 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
1282 (struct sockaddr *) &from, &fromlen);
1284 perror("recvfrom(ctrl_iface)");
1288 if (os_strcmp(buf, "PING") == 0)
1289 level = MSG_EXCESSIVE;
1290 wpa_hexdump_ascii(level, "RX ctrl_iface", (u8 *) buf, res);
1292 reply = os_malloc(reply_size);
1293 if (reply == NULL) {
1294 sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
1299 os_memcpy(reply, "OK\n", 3);
1302 if (os_strcmp(buf, "PING") == 0) {
1303 os_memcpy(reply, "PONG\n", 5);
1305 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
1306 if (wpa_debug_reopen_file() < 0)
1308 } else if (os_strcmp(buf, "STATUS") == 0) {
1309 reply_len = hostapd_ctrl_iface_status(hapd, reply,
1311 } else if (os_strcmp(buf, "STATUS-DRIVER") == 0) {
1312 reply_len = hostapd_drv_status(hapd, reply, reply_size);
1313 } else if (os_strcmp(buf, "MIB") == 0) {
1314 reply_len = ieee802_11_get_mib(hapd, reply, reply_size);
1315 if (reply_len >= 0) {
1316 res = wpa_get_mib(hapd->wpa_auth, reply + reply_len,
1317 reply_size - reply_len);
1323 if (reply_len >= 0) {
1324 res = ieee802_1x_get_mib(hapd, reply + reply_len,
1325 reply_size - reply_len);
1331 #ifndef CONFIG_NO_RADIUS
1332 if (reply_len >= 0) {
1333 res = radius_client_get_mib(hapd->radius,
1335 reply_size - reply_len);
1341 #endif /* CONFIG_NO_RADIUS */
1342 } else if (os_strncmp(buf, "MIB ", 4) == 0) {
1343 reply_len = hostapd_ctrl_iface_mib(hapd, reply, reply_size,
1345 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
1346 reply_len = hostapd_ctrl_iface_sta_first(hapd, reply,
1348 } else if (os_strncmp(buf, "STA ", 4) == 0) {
1349 reply_len = hostapd_ctrl_iface_sta(hapd, buf + 4, reply,
1351 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
1352 reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply,
1354 } else if (os_strcmp(buf, "ATTACH") == 0) {
1355 if (hostapd_ctrl_iface_attach(hapd, &from, fromlen))
1357 } else if (os_strcmp(buf, "DETACH") == 0) {
1358 if (hostapd_ctrl_iface_detach(hapd, &from, fromlen))
1360 } else if (os_strncmp(buf, "LEVEL ", 6) == 0) {
1361 if (hostapd_ctrl_iface_level(hapd, &from, fromlen,
1364 } else if (os_strncmp(buf, "NEW_STA ", 8) == 0) {
1365 if (hostapd_ctrl_iface_new_sta(hapd, buf + 8))
1367 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
1368 if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15))
1370 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
1371 if (hostapd_ctrl_iface_disassociate(hapd, buf + 13))
1373 #ifdef CONFIG_IEEE80211W
1375 } else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) {
1376 if (hostapd_ctrl_iface_sa_query(hapd, buf + 9))
1378 #endif /* NEED_AP_MLME */
1379 #endif /* CONFIG_IEEE80211W */
1381 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
1382 if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8))
1384 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
1385 reply_len = hostapd_ctrl_iface_wps_check_pin(
1386 hapd, buf + 14, reply, reply_size);
1387 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
1388 if (hostapd_wps_button_pushed(hapd, NULL))
1390 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
1391 if (hostapd_wps_cancel(hapd))
1393 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
1394 reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11,
1396 } else if (os_strncmp(buf, "WPS_CONFIG ", 11) == 0) {
1397 if (hostapd_ctrl_iface_wps_config(hapd, buf + 11) < 0)
1399 } else if (os_strncmp(buf, "WPS_GET_STATUS", 13) == 0) {
1400 reply_len = hostapd_ctrl_iface_wps_get_status(hapd, reply,
1402 #ifdef CONFIG_WPS_NFC
1403 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
1404 if (hostapd_ctrl_iface_wps_nfc_tag_read(hapd, buf + 17))
1406 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
1407 reply_len = hostapd_ctrl_iface_wps_nfc_config_token(
1408 hapd, buf + 21, reply, reply_size);
1409 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
1410 reply_len = hostapd_ctrl_iface_wps_nfc_token(
1411 hapd, buf + 14, reply, reply_size);
1412 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
1413 reply_len = hostapd_ctrl_iface_nfc_get_handover_sel(
1414 hapd, buf + 21, reply, reply_size);
1415 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
1416 if (hostapd_ctrl_iface_nfc_report_handover(hapd, buf + 20))
1418 #endif /* CONFIG_WPS_NFC */
1419 #endif /* CONFIG_WPS */
1420 #ifdef CONFIG_INTERWORKING
1421 } else if (os_strncmp(buf, "SET_QOS_MAP_SET ", 16) == 0) {
1422 if (hostapd_ctrl_iface_set_qos_map_set(hapd, buf + 16))
1424 } else if (os_strncmp(buf, "SEND_QOS_MAP_CONF ", 18) == 0) {
1425 if (hostapd_ctrl_iface_send_qos_map_conf(hapd, buf + 18))
1427 #endif /* CONFIG_INTERWORKING */
1429 } else if (os_strncmp(buf, "HS20_WNM_NOTIF ", 15) == 0) {
1430 if (hostapd_ctrl_iface_hs20_wnm_notif(hapd, buf + 15))
1432 } else if (os_strncmp(buf, "HS20_DEAUTH_REQ ", 16) == 0) {
1433 if (hostapd_ctrl_iface_hs20_deauth_req(hapd, buf + 16))
1435 #endif /* CONFIG_HS20 */
1437 } else if (os_strncmp(buf, "DISASSOC_IMMINENT ", 18) == 0) {
1438 if (hostapd_ctrl_iface_disassoc_imminent(hapd, buf + 18))
1440 } else if (os_strncmp(buf, "ESS_DISASSOC ", 13) == 0) {
1441 if (hostapd_ctrl_iface_ess_disassoc(hapd, buf + 13))
1443 #endif /* CONFIG_WNM */
1444 } else if (os_strcmp(buf, "GET_CONFIG") == 0) {
1445 reply_len = hostapd_ctrl_iface_get_config(hapd, reply,
1447 } else if (os_strncmp(buf, "SET ", 4) == 0) {
1448 if (hostapd_ctrl_iface_set(hapd, buf + 4))
1450 } else if (os_strncmp(buf, "GET ", 4) == 0) {
1451 reply_len = hostapd_ctrl_iface_get(hapd, buf + 4, reply,
1453 } else if (os_strncmp(buf, "ENABLE", 6) == 0) {
1454 if (hostapd_ctrl_iface_enable(hapd->iface))
1456 } else if (os_strncmp(buf, "RELOAD", 6) == 0) {
1457 if (hostapd_ctrl_iface_reload(hapd->iface))
1459 } else if (os_strncmp(buf, "DISABLE", 7) == 0) {
1460 if (hostapd_ctrl_iface_disable(hapd->iface))
1462 #ifdef CONFIG_TESTING_OPTIONS
1463 } else if (os_strncmp(buf, "RADAR ", 6) == 0) {
1464 if (hostapd_ctrl_iface_radar(hapd, buf + 6))
1466 } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
1467 if (hostapd_ctrl_iface_mgmt_tx(hapd, buf + 8))
1469 #endif /* CONFIG_TESTING_OPTIONS */
1470 } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
1471 if (hostapd_ctrl_iface_chan_switch(hapd, buf + 12))
1474 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
1478 if (reply_len < 0) {
1479 os_memcpy(reply, "FAIL\n", 5);
1482 sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, fromlen);
1487 static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
1492 if (hapd->conf->ctrl_interface == NULL)
1495 len = os_strlen(hapd->conf->ctrl_interface) +
1496 os_strlen(hapd->conf->iface) + 2;
1497 buf = os_malloc(len);
1501 os_snprintf(buf, len, "%s/%s",
1502 hapd->conf->ctrl_interface, hapd->conf->iface);
1503 buf[len - 1] = '\0';
1508 static void hostapd_ctrl_iface_msg_cb(void *ctx, int level, int global,
1509 const char *txt, size_t len)
1511 struct hostapd_data *hapd = ctx;
1514 hostapd_ctrl_iface_send(hapd, level, txt, len);
1518 int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
1520 struct sockaddr_un addr;
1524 if (hapd->ctrl_sock > -1) {
1525 wpa_printf(MSG_DEBUG, "ctrl_iface already exists!");
1529 if (hapd->conf->ctrl_interface == NULL)
1532 if (mkdir(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
1533 if (errno == EEXIST) {
1534 wpa_printf(MSG_DEBUG, "Using existing control "
1535 "interface directory.");
1537 perror("mkdir[ctrl_interface]");
1542 if (hapd->conf->ctrl_interface_gid_set &&
1543 chown(hapd->conf->ctrl_interface, -1,
1544 hapd->conf->ctrl_interface_gid) < 0) {
1545 perror("chown[ctrl_interface]");
1549 if (!hapd->conf->ctrl_interface_gid_set &&
1550 hapd->iface->interfaces->ctrl_iface_group &&
1551 chown(hapd->conf->ctrl_interface, -1,
1552 hapd->iface->interfaces->ctrl_iface_group) < 0) {
1553 perror("chown[ctrl_interface]");
1559 * Android is using umask 0077 which would leave the control interface
1560 * directory without group access. This breaks things since Wi-Fi
1561 * framework assumes that this directory can be accessed by other
1562 * applications in the wifi group. Fix this by adding group access even
1563 * if umask value would prevent this.
1565 if (chmod(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
1566 wpa_printf(MSG_ERROR, "CTRL: Could not chmod directory: %s",
1568 /* Try to continue anyway */
1570 #endif /* ANDROID */
1572 if (os_strlen(hapd->conf->ctrl_interface) + 1 +
1573 os_strlen(hapd->conf->iface) >= sizeof(addr.sun_path))
1576 s = socket(PF_UNIX, SOCK_DGRAM, 0);
1578 perror("socket(PF_UNIX)");
1582 os_memset(&addr, 0, sizeof(addr));
1584 addr.sun_len = sizeof(addr);
1585 #endif /* __FreeBSD__ */
1586 addr.sun_family = AF_UNIX;
1587 fname = hostapd_ctrl_iface_path(hapd);
1590 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
1591 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1592 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
1594 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1595 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
1596 " allow connections - assuming it was left"
1597 "over from forced program termination");
1598 if (unlink(fname) < 0) {
1599 perror("unlink[ctrl_iface]");
1600 wpa_printf(MSG_ERROR, "Could not unlink "
1601 "existing ctrl_iface socket '%s'",
1605 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
1607 perror("hostapd-ctrl-iface: bind(PF_UNIX)");
1610 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
1611 "ctrl_iface socket '%s'", fname);
1613 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
1614 "be in use - cannot override it");
1615 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
1616 "not used anymore", fname);
1623 if (hapd->conf->ctrl_interface_gid_set &&
1624 chown(fname, -1, hapd->conf->ctrl_interface_gid) < 0) {
1625 perror("chown[ctrl_interface/ifname]");
1629 if (!hapd->conf->ctrl_interface_gid_set &&
1630 hapd->iface->interfaces->ctrl_iface_group &&
1631 chown(fname, -1, hapd->iface->interfaces->ctrl_iface_group) < 0) {
1632 perror("chown[ctrl_interface/ifname]");
1636 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
1637 perror("chmod[ctrl_interface/ifname]");
1642 hapd->ctrl_sock = s;
1643 eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd,
1645 hapd->msg_ctx = hapd;
1646 wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb);
1661 void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
1663 struct wpa_ctrl_dst *dst, *prev;
1665 if (hapd->ctrl_sock > -1) {
1667 eloop_unregister_read_sock(hapd->ctrl_sock);
1668 close(hapd->ctrl_sock);
1669 hapd->ctrl_sock = -1;
1670 fname = hostapd_ctrl_iface_path(hapd);
1675 if (hapd->conf->ctrl_interface &&
1676 rmdir(hapd->conf->ctrl_interface) < 0) {
1677 if (errno == ENOTEMPTY) {
1678 wpa_printf(MSG_DEBUG, "Control interface "
1679 "directory not empty - leaving it "
1682 wpa_printf(MSG_ERROR,
1683 "rmdir[ctrl_interface=%s]: %s",
1684 hapd->conf->ctrl_interface,
1690 dst = hapd->ctrl_dst;
1699 static int hostapd_ctrl_iface_add(struct hapd_interfaces *interfaces,
1702 if (hostapd_add_iface(interfaces, buf) < 0) {
1703 wpa_printf(MSG_ERROR, "Adding interface %s failed", buf);
1710 static int hostapd_ctrl_iface_remove(struct hapd_interfaces *interfaces,
1713 if (hostapd_remove_iface(interfaces, buf) < 0) {
1714 wpa_printf(MSG_ERROR, "Removing interface %s failed", buf);
1721 static void hostapd_ctrl_iface_flush(struct hapd_interfaces *interfaces)
1723 #ifdef CONFIG_WPS_TESTING
1724 wps_version_number = 0x20;
1725 wps_testing_dummy_cred = 0;
1726 wps_corrupt_pkhash = 0;
1727 #endif /* CONFIG_WPS_TESTING */
1731 static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
1734 void *interfaces = eloop_ctx;
1737 struct sockaddr_un from;
1738 socklen_t fromlen = sizeof(from);
1742 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
1743 (struct sockaddr *) &from, &fromlen);
1745 perror("recvfrom(ctrl_iface)");
1749 wpa_printf(MSG_DEBUG, "Global ctrl_iface command: %s", buf);
1751 os_memcpy(reply, "OK\n", 3);
1754 if (os_strcmp(buf, "PING") == 0) {
1755 os_memcpy(reply, "PONG\n", 5);
1757 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
1758 if (wpa_debug_reopen_file() < 0)
1760 } else if (os_strcmp(buf, "FLUSH") == 0) {
1761 hostapd_ctrl_iface_flush(interfaces);
1762 } else if (os_strncmp(buf, "ADD ", 4) == 0) {
1763 if (hostapd_ctrl_iface_add(interfaces, buf + 4) < 0)
1765 } else if (os_strncmp(buf, "REMOVE ", 7) == 0) {
1766 if (hostapd_ctrl_iface_remove(interfaces, buf + 7) < 0)
1768 #ifdef CONFIG_MODULE_TESTS
1769 } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
1770 int hapd_module_tests(void);
1771 if (hapd_module_tests() < 0)
1773 #endif /* CONFIG_MODULE_TESTS */
1775 wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command "
1780 if (reply_len < 0) {
1781 os_memcpy(reply, "FAIL\n", 5);
1785 sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from, fromlen);
1789 static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface)
1794 if (interface->global_iface_path == NULL)
1797 len = os_strlen(interface->global_iface_path) +
1798 os_strlen(interface->global_iface_name) + 2;
1799 buf = os_malloc(len);
1803 os_snprintf(buf, len, "%s/%s", interface->global_iface_path,
1804 interface->global_iface_name);
1805 buf[len - 1] = '\0';
1810 int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface)
1812 struct sockaddr_un addr;
1816 if (interface->global_iface_path == NULL) {
1817 wpa_printf(MSG_DEBUG, "ctrl_iface not configured!");
1821 if (mkdir(interface->global_iface_path, S_IRWXU | S_IRWXG) < 0) {
1822 if (errno == EEXIST) {
1823 wpa_printf(MSG_DEBUG, "Using existing control "
1824 "interface directory.");
1826 perror("mkdir[ctrl_interface]");
1829 } else if (interface->ctrl_iface_group &&
1830 chown(interface->global_iface_path, -1,
1831 interface->ctrl_iface_group) < 0) {
1832 perror("chown[ctrl_interface]");
1836 if (os_strlen(interface->global_iface_path) + 1 +
1837 os_strlen(interface->global_iface_name) >= sizeof(addr.sun_path))
1840 s = socket(PF_UNIX, SOCK_DGRAM, 0);
1842 perror("socket(PF_UNIX)");
1846 os_memset(&addr, 0, sizeof(addr));
1848 addr.sun_len = sizeof(addr);
1849 #endif /* __FreeBSD__ */
1850 addr.sun_family = AF_UNIX;
1851 fname = hostapd_global_ctrl_iface_path(interface);
1854 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
1855 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1856 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
1858 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
1859 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
1860 " allow connections - assuming it was left"
1861 "over from forced program termination");
1862 if (unlink(fname) < 0) {
1863 perror("unlink[ctrl_iface]");
1864 wpa_printf(MSG_ERROR, "Could not unlink "
1865 "existing ctrl_iface socket '%s'",
1869 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
1871 perror("bind(PF_UNIX)");
1874 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
1875 "ctrl_iface socket '%s'", fname);
1877 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
1878 "be in use - cannot override it");
1879 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
1880 "not used anymore", fname);
1887 if (interface->ctrl_iface_group &&
1888 chown(fname, -1, interface->ctrl_iface_group) < 0) {
1889 perror("chown[ctrl_interface]");
1893 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
1894 perror("chmod[ctrl_interface/ifname]");
1899 interface->global_ctrl_sock = s;
1900 eloop_register_read_sock(s, hostapd_global_ctrl_iface_receive,
1916 void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces)
1920 if (interfaces->global_ctrl_sock > -1) {
1921 eloop_unregister_read_sock(interfaces->global_ctrl_sock);
1922 close(interfaces->global_ctrl_sock);
1923 interfaces->global_ctrl_sock = -1;
1924 fname = hostapd_global_ctrl_iface_path(interfaces);
1930 if (interfaces->global_iface_path &&
1931 rmdir(interfaces->global_iface_path) < 0) {
1932 if (errno == ENOTEMPTY) {
1933 wpa_printf(MSG_DEBUG, "Control interface "
1934 "directory not empty - leaving it "
1937 wpa_printf(MSG_ERROR,
1938 "rmdir[ctrl_interface=%s]: %s",
1939 interfaces->global_iface_path,
1943 os_free(interfaces->global_iface_path);
1944 interfaces->global_iface_path = NULL;
1949 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
1950 const char *buf, size_t len)
1952 struct wpa_ctrl_dst *dst, *next;
1958 dst = hapd->ctrl_dst;
1959 if (hapd->ctrl_sock < 0 || dst == NULL)
1962 os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
1963 io[0].iov_base = levelstr;
1964 io[0].iov_len = os_strlen(levelstr);
1965 io[1].iov_base = (char *) buf;
1966 io[1].iov_len = len;
1967 os_memset(&msg, 0, sizeof(msg));
1974 if (level >= dst->debug_level) {
1975 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send",
1976 (u8 *) dst->addr.sun_path, dst->addrlen -
1977 offsetof(struct sockaddr_un, sun_path));
1978 msg.msg_name = &dst->addr;
1979 msg.msg_namelen = dst->addrlen;
1980 if (sendmsg(hapd->ctrl_sock, &msg, 0) < 0) {
1982 wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: "
1984 idx, errno, strerror(errno));
1986 if (dst->errors > 10 || _errno == ENOENT) {
1987 hostapd_ctrl_iface_detach(
1999 #endif /* CONFIG_NATIVE_WINDOWS */