2 * hostapd / UNIX domain socket -based control interface
3 * Copyright (c) 2004-2015, 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
13 #ifdef CONFIG_TESTING_OPTIONS
14 #include <net/ethernet.h>
15 #include <netinet/ip.h>
16 #endif /* CONFIG_TESTING_OPTIONS */
22 #include "utils/common.h"
23 #include "utils/eloop.h"
24 #include "common/version.h"
25 #include "common/ieee802_11_defs.h"
26 #include "crypto/tls.h"
27 #include "drivers/driver.h"
28 #include "radius/radius_client.h"
29 #include "radius/radius_server.h"
30 #include "l2_packet/l2_packet.h"
31 #include "ap/hostapd.h"
32 #include "ap/ap_config.h"
33 #include "ap/ieee802_1x.h"
34 #include "ap/wpa_auth.h"
35 #include "ap/ieee802_11.h"
36 #include "ap/sta_info.h"
37 #include "ap/wps_hostapd.h"
38 #include "ap/ctrl_iface_ap.h"
39 #include "ap/ap_drv_ops.h"
41 #include "ap/wnm_ap.h"
42 #include "ap/wpa_auth.h"
43 #include "ap/beacon.h"
44 #include "wps/wps_defs.h"
46 #include "config_file.h"
47 #include "ctrl_iface.h"
51 struct wpa_ctrl_dst *next;
52 struct sockaddr_un addr;
59 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
60 const char *buf, size_t len);
63 static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd,
64 struct sockaddr_un *from,
67 struct wpa_ctrl_dst *dst;
69 dst = os_zalloc(sizeof(*dst));
72 os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
73 dst->addrlen = fromlen;
74 dst->debug_level = MSG_INFO;
75 dst->next = hapd->ctrl_dst;
77 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached",
78 (u8 *) from->sun_path,
79 fromlen - offsetof(struct sockaddr_un, sun_path));
84 static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd,
85 struct sockaddr_un *from,
88 struct wpa_ctrl_dst *dst, *prev = NULL;
92 if (fromlen == dst->addrlen &&
93 os_memcmp(from->sun_path, dst->addr.sun_path,
94 fromlen - offsetof(struct sockaddr_un, sun_path))
96 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached",
97 (u8 *) from->sun_path,
99 offsetof(struct sockaddr_un, sun_path));
101 hapd->ctrl_dst = dst->next;
103 prev->next = dst->next;
114 static int hostapd_ctrl_iface_level(struct hostapd_data *hapd,
115 struct sockaddr_un *from,
119 struct wpa_ctrl_dst *dst;
121 wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
123 dst = hapd->ctrl_dst;
125 if (fromlen == dst->addrlen &&
126 os_memcmp(from->sun_path, dst->addr.sun_path,
127 fromlen - offsetof(struct sockaddr_un, sun_path))
129 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor "
130 "level", (u8 *) from->sun_path, fromlen -
131 offsetof(struct sockaddr_un, sun_path));
132 dst->debug_level = atoi(level);
142 static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
146 struct sta_info *sta;
148 wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr);
150 if (hwaddr_aton(txtaddr, addr))
153 sta = ap_get_sta(hapd, addr);
157 wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface "
158 "notification", MAC2STR(addr));
159 sta = ap_sta_add(hapd, addr);
163 hostapd_new_assoc_sta(hapd, sta, 0);
168 #ifdef CONFIG_IEEE80211W
170 static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd,
174 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
176 wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr);
178 if (hwaddr_aton(txtaddr, addr) ||
179 os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0)
182 ieee802_11_send_sa_query_req(hapd, addr, trans_id);
186 #endif /* NEED_AP_MLME */
187 #endif /* CONFIG_IEEE80211W */
191 static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt)
193 char *pin = os_strchr(txt, ' ');
196 u8 addr_buf[ETH_ALEN], *addr = NULL;
203 timeout_txt = os_strchr(pin, ' ');
205 *timeout_txt++ = '\0';
206 timeout = atoi(timeout_txt);
207 pos = os_strchr(timeout_txt, ' ');
210 if (hwaddr_aton(pos, addr_buf) == 0)
216 return hostapd_wps_add_pin(hapd, addr, txt, pin, timeout);
220 static int hostapd_ctrl_iface_wps_check_pin(
221 struct hostapd_data *hapd, char *cmd, char *buf, size_t buflen)
228 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
229 (u8 *) cmd, os_strlen(cmd));
230 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
231 if (*pos < '0' || *pos > '9')
235 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
239 if (len != 4 && len != 8) {
240 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
246 unsigned int pin_val;
248 if (!wps_pin_valid(pin_val)) {
249 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
250 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
251 if (os_snprintf_error(buflen, ret))
257 ret = os_snprintf(buf, buflen, "%s", pin);
258 if (os_snprintf_error(buflen, ret))
265 #ifdef CONFIG_WPS_NFC
266 static int hostapd_ctrl_iface_wps_nfc_tag_read(struct hostapd_data *hapd,
273 len = os_strlen(pos);
278 buf = wpabuf_alloc(len);
281 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
286 ret = hostapd_wps_nfc_tag_read(hapd, buf);
293 static int hostapd_ctrl_iface_wps_nfc_config_token(struct hostapd_data *hapd,
294 char *cmd, char *reply,
301 if (os_strcmp(cmd, "WPS") == 0)
303 else if (os_strcmp(cmd, "NDEF") == 0)
308 buf = hostapd_wps_nfc_config_token(hapd, ndef);
312 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
323 static int hostapd_ctrl_iface_wps_nfc_token_gen(struct hostapd_data *hapd,
324 char *reply, size_t max_len,
330 buf = hostapd_wps_nfc_token_gen(hapd, ndef);
334 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
345 static int hostapd_ctrl_iface_wps_nfc_token(struct hostapd_data *hapd,
346 char *cmd, char *reply,
349 if (os_strcmp(cmd, "WPS") == 0)
350 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
353 if (os_strcmp(cmd, "NDEF") == 0)
354 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
357 if (os_strcmp(cmd, "enable") == 0)
358 return hostapd_wps_nfc_token_enable(hapd);
360 if (os_strcmp(cmd, "disable") == 0) {
361 hostapd_wps_nfc_token_disable(hapd);
369 static int hostapd_ctrl_iface_nfc_get_handover_sel(struct hostapd_data *hapd,
370 char *cmd, char *reply,
378 pos = os_strchr(cmd, ' ');
383 if (os_strcmp(cmd, "WPS") == 0)
385 else if (os_strcmp(cmd, "NDEF") == 0)
390 if (os_strcmp(pos, "WPS-CR") == 0)
391 buf = hostapd_wps_nfc_hs_cr(hapd, ndef);
397 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
408 static int hostapd_ctrl_iface_nfc_report_handover(struct hostapd_data *hapd,
412 struct wpabuf *req, *sel;
414 char *pos, *role, *type, *pos2;
417 pos = os_strchr(role, ' ');
423 pos = os_strchr(type, ' ');
428 pos2 = os_strchr(pos, ' ');
433 len = os_strlen(pos);
438 req = wpabuf_alloc(len);
441 if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
446 len = os_strlen(pos2);
453 sel = wpabuf_alloc(len);
458 if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
464 if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0) {
465 ret = hostapd_wps_nfc_report_handover(hapd, req, sel);
467 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
468 "reported: role=%s type=%s", role, type);
477 #endif /* CONFIG_WPS_NFC */
480 static int hostapd_ctrl_iface_wps_ap_pin(struct hostapd_data *hapd, char *txt,
481 char *buf, size_t buflen)
487 pos = os_strchr(txt, ' ');
491 if (os_strcmp(txt, "disable") == 0) {
492 hostapd_wps_ap_pin_disable(hapd);
493 return os_snprintf(buf, buflen, "OK\n");
496 if (os_strcmp(txt, "random") == 0) {
499 pin_txt = hostapd_wps_ap_pin_random(hapd, timeout);
502 return os_snprintf(buf, buflen, "%s", pin_txt);
505 if (os_strcmp(txt, "get") == 0) {
506 pin_txt = hostapd_wps_ap_pin_get(hapd);
509 return os_snprintf(buf, buflen, "%s", pin_txt);
512 if (os_strcmp(txt, "set") == 0) {
517 pos = os_strchr(pos, ' ');
522 if (os_strlen(pin) > buflen)
524 if (hostapd_wps_ap_pin_set(hapd, pin, timeout) < 0)
526 return os_snprintf(buf, buflen, "%s", pin);
533 static int hostapd_ctrl_iface_wps_config(struct hostapd_data *hapd, char *txt)
536 char *ssid, *auth, *encr = NULL, *key = NULL;
539 pos = os_strchr(txt, ' ');
545 pos = os_strchr(pos, ' ');
549 pos = os_strchr(pos, ' ');
556 return hostapd_wps_config_ap(hapd, ssid, auth, encr, key);
560 static const char * pbc_status_str(enum pbc_status status)
563 case WPS_PBC_STATUS_DISABLE:
565 case WPS_PBC_STATUS_ACTIVE:
567 case WPS_PBC_STATUS_TIMEOUT:
569 case WPS_PBC_STATUS_OVERLAP:
577 static int hostapd_ctrl_iface_wps_get_status(struct hostapd_data *hapd,
578 char *buf, size_t buflen)
586 ret = os_snprintf(pos, end - pos, "PBC Status: %s\n",
587 pbc_status_str(hapd->wps_stats.pbc_status));
589 if (os_snprintf_error(end - pos, ret))
593 ret = os_snprintf(pos, end - pos, "Last WPS result: %s\n",
594 (hapd->wps_stats.status == WPS_STATUS_SUCCESS ?
596 (hapd->wps_stats.status == WPS_STATUS_FAILURE ?
597 "Failed" : "None")));
599 if (os_snprintf_error(end - pos, ret))
603 /* If status == Failure - Add possible Reasons */
604 if(hapd->wps_stats.status == WPS_STATUS_FAILURE &&
605 hapd->wps_stats.failure_reason > 0) {
606 ret = os_snprintf(pos, end - pos,
607 "Failure Reason: %s\n",
608 wps_ei_str(hapd->wps_stats.failure_reason));
610 if (os_snprintf_error(end - pos, ret))
615 if (hapd->wps_stats.status) {
616 ret = os_snprintf(pos, end - pos, "Peer Address: " MACSTR "\n",
617 MAC2STR(hapd->wps_stats.peer_addr));
619 if (os_snprintf_error(end - pos, ret))
627 #endif /* CONFIG_WPS */
631 static int hostapd_ctrl_iface_hs20_wnm_notif(struct hostapd_data *hapd,
637 if (hwaddr_aton(cmd, addr))
650 return hs20_send_wnm_notification(hapd, addr, 1, url);
654 static int hostapd_ctrl_iface_hs20_deauth_req(struct hostapd_data *hapd,
658 int code, reauth_delay, ret;
663 /* <STA MAC Addr> <Code(0/1)> <Re-auth-Delay(sec)> [URL] */
664 if (hwaddr_aton(cmd, addr))
667 pos = os_strchr(cmd, ' ');
673 pos = os_strchr(pos, ' ');
677 reauth_delay = atoi(pos);
680 pos = os_strchr(pos, ' ');
683 url_len = os_strlen(pos);
686 req = wpabuf_alloc(4 + url_len);
689 wpabuf_put_u8(req, code);
690 wpabuf_put_le16(req, reauth_delay);
691 wpabuf_put_u8(req, url_len);
693 wpabuf_put_data(req, pos, url_len);
695 wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification to " MACSTR
696 " to indicate imminent deauthentication (code=%d "
697 "reauth_delay=%d)", MAC2STR(addr), code, reauth_delay);
698 ret = hs20_send_wnm_notification_deauth_req(hapd, addr, req);
703 #endif /* CONFIG_HS20 */
706 #ifdef CONFIG_INTERWORKING
708 static int hostapd_ctrl_iface_set_qos_map_set(struct hostapd_data *hapd,
711 u8 qos_map_set[16 + 2 * 21], count = 0;
712 const char *pos = cmd;
716 if (count == sizeof(qos_map_set)) {
717 wpa_printf(MSG_ERROR, "Too many qos_map_set parameters");
722 if (val < 0 || val > 255) {
723 wpa_printf(MSG_INFO, "Invalid QoS Map Set");
727 qos_map_set[count++] = val;
728 pos = os_strchr(pos, ',');
734 if (count < 16 || count & 1) {
735 wpa_printf(MSG_INFO, "Invalid QoS Map Set");
739 ret = hostapd_drv_set_qos_map(hapd, qos_map_set, count);
741 wpa_printf(MSG_INFO, "Failed to set QoS Map Set");
745 os_memcpy(hapd->conf->qos_map_set, qos_map_set, count);
746 hapd->conf->qos_map_set_len = count;
752 static int hostapd_ctrl_iface_send_qos_map_conf(struct hostapd_data *hapd,
756 struct sta_info *sta;
758 u8 *qos_map_set = hapd->conf->qos_map_set;
759 u8 qos_map_set_len = hapd->conf->qos_map_set_len;
762 if (!qos_map_set_len) {
763 wpa_printf(MSG_INFO, "QoS Map Set is not set");
767 if (hwaddr_aton(cmd, addr))
770 sta = ap_get_sta(hapd, addr);
772 wpa_printf(MSG_DEBUG, "Station " MACSTR " not found "
773 "for QoS Map Configuration message",
778 if (!sta->qos_map_enabled) {
779 wpa_printf(MSG_DEBUG, "Station " MACSTR " did not indicate "
780 "support for QoS Map", MAC2STR(addr));
784 buf = wpabuf_alloc(2 + 2 + qos_map_set_len);
788 wpabuf_put_u8(buf, WLAN_ACTION_QOS);
789 wpabuf_put_u8(buf, QOS_QOS_MAP_CONFIG);
791 /* QoS Map Set Element */
792 wpabuf_put_u8(buf, WLAN_EID_QOS_MAP_SET);
793 wpabuf_put_u8(buf, qos_map_set_len);
794 wpabuf_put_data(buf, qos_map_set, qos_map_set_len);
796 ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
797 wpabuf_head(buf), wpabuf_len(buf));
803 #endif /* CONFIG_INTERWORKING */
808 static int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd,
813 struct sta_info *sta;
815 if (hwaddr_aton(cmd, addr))
819 disassoc_timer = atoi(cmd + 17);
821 sta = ap_get_sta(hapd, addr);
823 wpa_printf(MSG_DEBUG, "Station " MACSTR
824 " not found for disassociation imminent message",
829 return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer);
833 static int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd,
837 const char *url, *timerstr;
839 struct sta_info *sta;
841 if (hwaddr_aton(cmd, addr))
844 sta = ap_get_sta(hapd, addr);
846 wpa_printf(MSG_DEBUG, "Station " MACSTR
847 " not found for ESS disassociation imminent message",
853 if (*timerstr != ' ')
856 disassoc_timer = atoi(timerstr);
857 if (disassoc_timer < 0 || disassoc_timer > 65535)
860 url = os_strchr(timerstr, ' ');
865 return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer);
869 static int hostapd_ctrl_iface_bss_tm_req(struct hostapd_data *hapd,
873 const char *pos, *end;
874 int disassoc_timer = 0;
875 struct sta_info *sta;
876 u8 req_mode = 0, valid_int = 0x01;
881 u8 *nei_pos = nei_rep;
883 if (hwaddr_aton(cmd, addr)) {
884 wpa_printf(MSG_DEBUG, "Invalid STA MAC address");
888 sta = ap_get_sta(hapd, addr);
890 wpa_printf(MSG_DEBUG, "Station " MACSTR
891 " not found for BSS TM Request message",
896 pos = os_strstr(cmd, " disassoc_timer=");
899 disassoc_timer = atoi(pos);
900 if (disassoc_timer < 0 || disassoc_timer > 65535) {
901 wpa_printf(MSG_DEBUG, "Invalid disassoc_timer");
906 pos = os_strstr(cmd, " valid_int=");
909 valid_int = atoi(pos);
912 pos = os_strstr(cmd, " bss_term=");
915 req_mode |= WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED;
916 /* TODO: TSF configurable/learnable */
917 bss_term_dur[0] = 4; /* Subelement ID */
918 bss_term_dur[1] = 10; /* Length */
919 os_memset(bss_term_dur, 2, 8);
920 end = os_strchr(pos, ',');
922 wpa_printf(MSG_DEBUG, "Invalid bss_term data");
926 WPA_PUT_LE16(&bss_term_dur[10], atoi(end));
931 * BSS Transition Candidate List Entries - Neighbor Report elements
932 * neighbor=<BSSID>,<BSSID Information>,<Operating Class>,
933 * <Channel Number>,<PHY Type>[,<hexdump of Optional Subelements>]
941 pos = os_strstr(pos, " neighbor=");
944 if (nei_pos + 15 > nei_rep + sizeof(nei_rep)) {
945 wpa_printf(MSG_DEBUG,
946 "Not enough room for additional neighbor");
952 *nei_pos++ = WLAN_EID_NEIGHBOR_REPORT;
953 nei_pos++; /* length to be filled in */
955 if (hwaddr_aton(pos, nei_pos)) {
956 wpa_printf(MSG_DEBUG, "Invalid BSSID");
962 wpa_printf(MSG_DEBUG, "Missing BSSID Information");
967 val = strtol(pos, &endptr, 0);
968 WPA_PUT_LE32(nei_pos, val);
970 if (*endptr != ',') {
971 wpa_printf(MSG_DEBUG, "Missing Operating Class");
976 *nei_pos++ = atoi(pos); /* Operating Class */
977 pos = os_strchr(pos, ',');
979 wpa_printf(MSG_DEBUG, "Missing Channel Number");
984 *nei_pos++ = atoi(pos); /* Channel Number */
985 pos = os_strchr(pos, ',');
987 wpa_printf(MSG_DEBUG, "Missing PHY Type");
992 *nei_pos++ = atoi(pos); /* PHY Type */
993 end = os_strchr(pos, ' ');
994 tmp = os_strchr(pos, ',');
995 if (tmp && (!end || tmp < end)) {
996 /* Optional Subelements (hexdump) */
1000 end = os_strchr(pos, ' ');
1004 len = os_strlen(pos);
1005 if (nei_pos + len / 2 > nei_rep + sizeof(nei_rep)) {
1006 wpa_printf(MSG_DEBUG,
1007 "Not enough room for neighbor subelements");
1011 hexstr2bin(pos, nei_pos, len / 2) < 0) {
1012 wpa_printf(MSG_DEBUG,
1013 "Invalid neighbor subelement info");
1020 nei_start[1] = nei_pos - nei_start - 2;
1023 pos = os_strstr(cmd, " url=");
1027 end = os_strchr(pos, ' ');
1031 len = os_strlen(pos);
1032 url = os_malloc(len + 1);
1035 os_memcpy(url, pos, len);
1037 req_mode |= WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT;
1040 if (os_strstr(cmd, " pref=1"))
1041 req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
1042 if (os_strstr(cmd, " abridged=1"))
1043 req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
1044 if (os_strstr(cmd, " disassoc_imminent=1"))
1045 req_mode |= WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
1047 ret = wnm_send_bss_tm_req(hapd, sta, req_mode, disassoc_timer,
1048 valid_int, bss_term_dur, url,
1049 nei_pos > nei_rep ? nei_rep : NULL,
1055 #endif /* CONFIG_WNM */
1058 static int hostapd_ctrl_iface_get_config(struct hostapd_data *hapd,
1059 char *buf, size_t buflen)
1067 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n"
1069 MAC2STR(hapd->own_addr),
1070 wpa_ssid_txt(hapd->conf->ssid.ssid,
1071 hapd->conf->ssid.ssid_len));
1072 if (os_snprintf_error(end - pos, ret))
1077 ret = os_snprintf(pos, end - pos, "wps_state=%s\n",
1078 hapd->conf->wps_state == 0 ? "disabled" :
1079 (hapd->conf->wps_state == 1 ? "not configured" :
1081 if (os_snprintf_error(end - pos, ret))
1085 if (hapd->conf->wps_state && hapd->conf->wpa &&
1086 hapd->conf->ssid.wpa_passphrase) {
1087 ret = os_snprintf(pos, end - pos, "passphrase=%s\n",
1088 hapd->conf->ssid.wpa_passphrase);
1089 if (os_snprintf_error(end - pos, ret))
1094 if (hapd->conf->wps_state && hapd->conf->wpa &&
1095 hapd->conf->ssid.wpa_psk &&
1096 hapd->conf->ssid.wpa_psk->group) {
1097 char hex[PMK_LEN * 2 + 1];
1098 wpa_snprintf_hex(hex, sizeof(hex),
1099 hapd->conf->ssid.wpa_psk->psk, PMK_LEN);
1100 ret = os_snprintf(pos, end - pos, "psk=%s\n", hex);
1101 if (os_snprintf_error(end - pos, ret))
1105 #endif /* CONFIG_WPS */
1107 if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) {
1108 ret = os_snprintf(pos, end - pos, "key_mgmt=");
1109 if (os_snprintf_error(end - pos, ret))
1113 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) {
1114 ret = os_snprintf(pos, end - pos, "WPA-PSK ");
1115 if (os_snprintf_error(end - pos, ret))
1119 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1120 ret = os_snprintf(pos, end - pos, "WPA-EAP ");
1121 if (os_snprintf_error(end - pos, ret))
1125 #ifdef CONFIG_IEEE80211R
1126 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1127 ret = os_snprintf(pos, end - pos, "FT-PSK ");
1128 if (os_snprintf_error(end - pos, ret))
1132 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1133 ret = os_snprintf(pos, end - pos, "FT-EAP ");
1134 if (os_snprintf_error(end - pos, ret))
1139 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_SAE) {
1140 ret = os_snprintf(pos, end - pos, "FT-SAE ");
1141 if (os_snprintf_error(end - pos, ret))
1145 #endif /* CONFIG_SAE */
1146 #endif /* CONFIG_IEEE80211R */
1147 #ifdef CONFIG_IEEE80211W
1148 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1149 ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 ");
1150 if (os_snprintf_error(end - pos, ret))
1154 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1155 ret = os_snprintf(pos, end - pos, "WPA-EAP-SHA256 ");
1156 if (os_snprintf_error(end - pos, ret))
1160 #endif /* CONFIG_IEEE80211W */
1162 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_SAE) {
1163 ret = os_snprintf(pos, end - pos, "SAE ");
1164 if (os_snprintf_error(end - pos, ret))
1168 #endif /* CONFIG_SAE */
1169 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
1170 ret = os_snprintf(pos, end - pos, "WPA-EAP-SUITE-B ");
1171 if (os_snprintf_error(end - pos, ret))
1175 if (hapd->conf->wpa_key_mgmt &
1176 WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
1177 ret = os_snprintf(pos, end - pos,
1178 "WPA-EAP-SUITE-B-192 ");
1179 if (os_snprintf_error(end - pos, ret))
1184 ret = os_snprintf(pos, end - pos, "\n");
1185 if (os_snprintf_error(end - pos, ret))
1190 if (hapd->conf->wpa) {
1191 ret = os_snprintf(pos, end - pos, "group_cipher=%s\n",
1192 wpa_cipher_txt(hapd->conf->wpa_group));
1193 if (os_snprintf_error(end - pos, ret))
1198 if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->rsn_pairwise) {
1199 ret = os_snprintf(pos, end - pos, "rsn_pairwise_cipher=");
1200 if (os_snprintf_error(end - pos, ret))
1204 ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise,
1210 ret = os_snprintf(pos, end - pos, "\n");
1211 if (os_snprintf_error(end - pos, ret))
1216 if ((hapd->conf->wpa & WPA_PROTO_WPA) && hapd->conf->wpa_pairwise) {
1217 ret = os_snprintf(pos, end - pos, "wpa_pairwise_cipher=");
1218 if (os_snprintf_error(end - pos, ret))
1222 ret = wpa_write_ciphers(pos, end, hapd->conf->wpa_pairwise,
1228 ret = os_snprintf(pos, end - pos, "\n");
1229 if (os_snprintf_error(end - pos, ret))
1238 static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd)
1243 value = os_strchr(cmd, ' ');
1248 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
1250 #ifdef CONFIG_WPS_TESTING
1251 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
1253 val = strtol(value, NULL, 0);
1254 if (val < 0 || val > 0xff) {
1256 wpa_printf(MSG_DEBUG, "WPS: Invalid "
1257 "wps_version_number %ld", val);
1259 wps_version_number = val;
1260 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
1262 (wps_version_number & 0xf0) >> 4,
1263 wps_version_number & 0x0f);
1264 hostapd_wps_update_ie(hapd);
1266 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
1267 wps_testing_dummy_cred = atoi(value);
1268 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
1269 wps_testing_dummy_cred);
1270 } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
1271 wps_corrupt_pkhash = atoi(value);
1272 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
1273 wps_corrupt_pkhash);
1274 #endif /* CONFIG_WPS_TESTING */
1275 #ifdef CONFIG_INTERWORKING
1276 } else if (os_strcasecmp(cmd, "gas_frag_limit") == 0) {
1277 int val = atoi(value);
1281 hapd->gas_frag_limit = val;
1282 #endif /* CONFIG_INTERWORKING */
1283 #ifdef CONFIG_TESTING_OPTIONS
1284 } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
1285 hapd->ext_mgmt_frame_handling = atoi(value);
1286 } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
1287 hapd->ext_eapol_frame_io = atoi(value);
1288 #endif /* CONFIG_TESTING_OPTIONS */
1290 struct sta_info *sta;
1293 ret = hostapd_set_iface(hapd->iconf, hapd->conf, cmd, value);
1297 if (os_strcasecmp(cmd, "deny_mac_file") == 0) {
1298 for (sta = hapd->sta_list; sta; sta = sta->next) {
1299 if (hostapd_maclist_found(
1300 hapd->conf->deny_mac,
1301 hapd->conf->num_deny_mac, sta->addr,
1303 (!vlan_id || vlan_id == sta->vlan_id))
1305 hapd, sta, sta->addr,
1306 WLAN_REASON_UNSPECIFIED);
1308 } else if (hapd->conf->macaddr_acl == DENY_UNLESS_ACCEPTED &&
1309 os_strcasecmp(cmd, "accept_mac_file") == 0) {
1310 for (sta = hapd->sta_list; sta; sta = sta->next) {
1311 if (!hostapd_maclist_found(
1312 hapd->conf->accept_mac,
1313 hapd->conf->num_accept_mac,
1314 sta->addr, &vlan_id) ||
1315 (vlan_id && vlan_id != sta->vlan_id))
1317 hapd, sta, sta->addr,
1318 WLAN_REASON_UNSPECIFIED);
1327 static int hostapd_ctrl_iface_get(struct hostapd_data *hapd, char *cmd,
1328 char *buf, size_t buflen)
1332 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
1334 if (os_strcmp(cmd, "version") == 0) {
1335 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
1336 if (os_snprintf_error(buflen, res))
1339 } else if (os_strcmp(cmd, "tls_library") == 0) {
1340 res = tls_get_library_version(buf, buflen);
1341 if (os_snprintf_error(buflen, res))
1350 static int hostapd_ctrl_iface_enable(struct hostapd_iface *iface)
1352 if (hostapd_enable_iface(iface) < 0) {
1353 wpa_printf(MSG_ERROR, "Enabling of interface failed");
1360 static int hostapd_ctrl_iface_reload(struct hostapd_iface *iface)
1362 if (hostapd_reload_iface(iface) < 0) {
1363 wpa_printf(MSG_ERROR, "Reloading of interface failed");
1370 static int hostapd_ctrl_iface_disable(struct hostapd_iface *iface)
1372 if (hostapd_disable_iface(iface) < 0) {
1373 wpa_printf(MSG_ERROR, "Disabling of interface failed");
1380 #ifdef CONFIG_TESTING_OPTIONS
1382 static int hostapd_ctrl_iface_radar(struct hostapd_data *hapd, char *cmd)
1384 union wpa_event_data data;
1386 enum wpa_event_type event;
1388 wpa_printf(MSG_DEBUG, "RADAR TEST: %s", cmd);
1390 os_memset(&data, 0, sizeof(data));
1392 param = os_strchr(cmd, ' ');
1397 if (os_strcmp(cmd, "DETECTED") == 0)
1398 event = EVENT_DFS_RADAR_DETECTED;
1399 else if (os_strcmp(cmd, "CAC-FINISHED") == 0)
1400 event = EVENT_DFS_CAC_FINISHED;
1401 else if (os_strcmp(cmd, "CAC-ABORTED") == 0)
1402 event = EVENT_DFS_CAC_ABORTED;
1403 else if (os_strcmp(cmd, "NOP-FINISHED") == 0)
1404 event = EVENT_DFS_NOP_FINISHED;
1406 wpa_printf(MSG_DEBUG, "Unsupported RADAR test command: %s",
1411 pos = os_strstr(param, "freq=");
1413 data.dfs_event.freq = atoi(pos + 5);
1415 pos = os_strstr(param, "ht_enabled=1");
1417 data.dfs_event.ht_enabled = 1;
1419 pos = os_strstr(param, "chan_offset=");
1421 data.dfs_event.chan_offset = atoi(pos + 12);
1423 pos = os_strstr(param, "chan_width=");
1425 data.dfs_event.chan_width = atoi(pos + 11);
1427 pos = os_strstr(param, "cf1=");
1429 data.dfs_event.cf1 = atoi(pos + 4);
1431 pos = os_strstr(param, "cf2=");
1433 data.dfs_event.cf2 = atoi(pos + 4);
1435 wpa_supplicant_event(hapd, event, &data);
1441 static int hostapd_ctrl_iface_mgmt_tx(struct hostapd_data *hapd, char *cmd)
1447 wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
1449 len = os_strlen(cmd);
1454 buf = os_malloc(len);
1458 if (hexstr2bin(cmd, buf, len) < 0) {
1463 res = hostapd_drv_send_mlme(hapd, buf, len, 0);
1469 static int hostapd_ctrl_iface_eapol_rx(struct hostapd_data *hapd, char *cmd)
1472 u8 src[ETH_ALEN], *buf;
1476 wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
1479 used = hwaddr_aton2(pos, src);
1486 len = os_strlen(pos);
1491 buf = os_malloc(len);
1495 if (hexstr2bin(pos, buf, len) < 0) {
1500 ieee802_1x_receive(hapd, src, buf, len);
1507 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
1511 const u16 *pos = buf;
1513 for (i = 0; i < len / 2; i++)
1517 sum = (sum & 0xffff) + (sum >> 16);
1519 return sum ^ 0xffff;
1523 #define HWSIM_PACKETLEN 1500
1524 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
1526 void hostapd_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf,
1529 struct hostapd_data *hapd = ctx;
1530 const struct ether_header *eth;
1531 const struct iphdr *ip;
1535 if (len != HWSIM_PACKETLEN)
1538 eth = (const struct ether_header *) buf;
1539 ip = (const struct iphdr *) (eth + 1);
1540 pos = (const u8 *) (ip + 1);
1542 if (ip->ihl != 5 || ip->version != 4 ||
1543 ntohs(ip->tot_len) != HWSIM_IP_LEN)
1546 for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++) {
1552 wpa_msg(hapd->msg_ctx, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
1553 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
1557 static int hostapd_ctrl_iface_data_test_config(struct hostapd_data *hapd,
1560 int enabled = atoi(cmd);
1565 if (hapd->l2_test) {
1566 l2_packet_deinit(hapd->l2_test);
1567 hapd->l2_test = NULL;
1568 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
1569 "test data: Disabled");
1577 pos = os_strstr(cmd, " ifname=");
1581 ifname = hapd->conf->iface;
1583 hapd->l2_test = l2_packet_init(ifname, hapd->own_addr,
1584 ETHERTYPE_IP, hostapd_data_test_rx,
1586 if (hapd->l2_test == NULL)
1589 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: Enabled");
1595 static int hostapd_ctrl_iface_data_test_tx(struct hostapd_data *hapd, char *cmd)
1597 u8 dst[ETH_ALEN], src[ETH_ALEN];
1602 u8 buf[HWSIM_PACKETLEN];
1603 struct ether_header *eth;
1608 if (hapd->l2_test == NULL)
1611 /* format: <dst> <src> <tos> */
1614 used = hwaddr_aton2(pos, dst);
1620 used = hwaddr_aton2(pos, src);
1625 val = strtol(pos, NULL, 0);
1626 if (val < 0 || val > 0xff)
1630 eth = (struct ether_header *) buf;
1631 os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
1632 os_memcpy(eth->ether_shost, src, ETH_ALEN);
1633 eth->ether_type = htons(ETHERTYPE_IP);
1634 ip = (struct iphdr *) (eth + 1);
1635 os_memset(ip, 0, sizeof(*ip));
1640 ip->tot_len = htons(HWSIM_IP_LEN);
1642 ip->saddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 1);
1643 ip->daddr = htonl(192 << 24 | 168 << 16 | 1 << 8 | 2);
1644 ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
1645 dpos = (u8 *) (ip + 1);
1646 for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
1649 if (l2_packet_send(hapd->l2_test, dst, ETHERTYPE_IP, buf,
1650 HWSIM_PACKETLEN) < 0)
1653 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: TX dst=" MACSTR
1654 " src=" MACSTR " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
1660 static int hostapd_ctrl_iface_data_test_frame(struct hostapd_data *hapd,
1664 struct ether_header *eth;
1665 struct l2_packet_data *l2 = NULL;
1669 const char *ifname = hapd->conf->iface;
1671 if (os_strncmp(cmd, "ifname=", 7) == 0) {
1674 cmd = os_strchr(cmd, ' ');
1680 len = os_strlen(cmd);
1681 if (len & 1 || len < ETH_HLEN * 2)
1685 buf = os_malloc(len);
1689 if (hexstr2bin(cmd, buf, len) < 0)
1692 eth = (struct ether_header *) buf;
1693 ethertype = ntohs(eth->ether_type);
1695 l2 = l2_packet_init(ifname, hapd->own_addr, ethertype,
1696 hostapd_data_test_rx, hapd, 1);
1700 res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
1701 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: TX frame res=%d", res);
1704 l2_packet_deinit(l2);
1707 return res < 0 ? -1 : 0;
1711 static int hostapd_ctrl_test_alloc_fail(struct hostapd_data *hapd, char *cmd)
1713 #ifdef WPA_TRACE_BFD
1714 extern char wpa_trace_fail_func[256];
1715 extern unsigned int wpa_trace_fail_after;
1718 wpa_trace_fail_after = atoi(cmd);
1719 pos = os_strchr(cmd, ':');
1722 os_strlcpy(wpa_trace_fail_func, pos,
1723 sizeof(wpa_trace_fail_func));
1725 wpa_trace_fail_after = 0;
1729 #else /* WPA_TRACE_BFD */
1731 #endif /* WPA_TRACE_BFD */
1735 static int hostapd_ctrl_get_alloc_fail(struct hostapd_data *hapd,
1736 char *buf, size_t buflen)
1738 #ifdef WPA_TRACE_BFD
1739 extern char wpa_trace_fail_func[256];
1740 extern unsigned int wpa_trace_fail_after;
1742 return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
1743 wpa_trace_fail_func);
1744 #else /* WPA_TRACE_BFD */
1746 #endif /* WPA_TRACE_BFD */
1750 static int hostapd_ctrl_test_fail(struct hostapd_data *hapd, char *cmd)
1752 #ifdef WPA_TRACE_BFD
1753 extern char wpa_trace_test_fail_func[256];
1754 extern unsigned int wpa_trace_test_fail_after;
1757 wpa_trace_test_fail_after = atoi(cmd);
1758 pos = os_strchr(cmd, ':');
1761 os_strlcpy(wpa_trace_test_fail_func, pos,
1762 sizeof(wpa_trace_test_fail_func));
1764 wpa_trace_test_fail_after = 0;
1768 #else /* WPA_TRACE_BFD */
1770 #endif /* WPA_TRACE_BFD */
1774 static int hostapd_ctrl_get_fail(struct hostapd_data *hapd,
1775 char *buf, size_t buflen)
1777 #ifdef WPA_TRACE_BFD
1778 extern char wpa_trace_test_fail_func[256];
1779 extern unsigned int wpa_trace_test_fail_after;
1781 return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
1782 wpa_trace_test_fail_func);
1783 #else /* WPA_TRACE_BFD */
1785 #endif /* WPA_TRACE_BFD */
1788 #endif /* CONFIG_TESTING_OPTIONS */
1791 static int hostapd_ctrl_iface_chan_switch(struct hostapd_iface *iface,
1795 struct csa_settings settings;
1799 ret = hostapd_parse_csa_settings(pos, &settings);
1803 for (i = 0; i < iface->num_bss; i++) {
1804 ret = hostapd_switch_channel(iface->bss[i], &settings);
1806 /* FIX: What do we do if CSA fails in the middle of
1807 * submitting multi-BSS CSA requests? */
1813 #else /* NEED_AP_MLME */
1815 #endif /* NEED_AP_MLME */
1819 static int hostapd_ctrl_iface_mib(struct hostapd_data *hapd, char *reply,
1820 int reply_size, const char *param)
1822 #ifdef RADIUS_SERVER
1823 if (os_strcmp(param, "radius_server") == 0) {
1824 return radius_server_get_mib(hapd->radius_srv, reply,
1827 #endif /* RADIUS_SERVER */
1832 static int hostapd_ctrl_iface_vendor(struct hostapd_data *hapd, char *cmd,
1833 char *buf, size_t buflen)
1838 unsigned int vendor_id, subcmd;
1839 struct wpabuf *reply;
1840 size_t data_len = 0;
1842 /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
1843 vendor_id = strtoul(cmd, &pos, 16);
1847 subcmd = strtoul(pos, &pos, 10);
1850 if (!isblank(*pos++))
1852 data_len = os_strlen(pos);
1857 data = os_malloc(data_len);
1861 if (hexstr2bin(pos, data, data_len)) {
1862 wpa_printf(MSG_DEBUG,
1863 "Vendor command: wrong parameter format");
1869 reply = wpabuf_alloc((buflen - 1) / 2);
1875 ret = hostapd_drv_vendor_cmd(hapd, vendor_id, subcmd, data, data_len,
1879 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
1889 static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
1892 struct hostapd_data *hapd = eloop_ctx;
1895 struct sockaddr_un from;
1896 socklen_t fromlen = sizeof(from);
1898 const int reply_size = 4096;
1900 int level = MSG_DEBUG;
1902 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
1903 (struct sockaddr *) &from, &fromlen);
1905 wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s",
1910 if (os_strcmp(buf, "PING") == 0)
1911 level = MSG_EXCESSIVE;
1912 wpa_hexdump_ascii(level, "RX ctrl_iface", (u8 *) buf, res);
1914 reply = os_malloc(reply_size);
1915 if (reply == NULL) {
1916 if (sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
1918 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
1924 os_memcpy(reply, "OK\n", 3);
1927 if (os_strcmp(buf, "PING") == 0) {
1928 os_memcpy(reply, "PONG\n", 5);
1930 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
1931 if (wpa_debug_reopen_file() < 0)
1933 } else if (os_strcmp(buf, "STATUS") == 0) {
1934 reply_len = hostapd_ctrl_iface_status(hapd, reply,
1936 } else if (os_strcmp(buf, "STATUS-DRIVER") == 0) {
1937 reply_len = hostapd_drv_status(hapd, reply, reply_size);
1938 } else if (os_strcmp(buf, "MIB") == 0) {
1939 reply_len = ieee802_11_get_mib(hapd, reply, reply_size);
1940 if (reply_len >= 0) {
1941 res = wpa_get_mib(hapd->wpa_auth, reply + reply_len,
1942 reply_size - reply_len);
1948 if (reply_len >= 0) {
1949 res = ieee802_1x_get_mib(hapd, reply + reply_len,
1950 reply_size - reply_len);
1956 #ifndef CONFIG_NO_RADIUS
1957 if (reply_len >= 0) {
1958 res = radius_client_get_mib(hapd->radius,
1960 reply_size - reply_len);
1966 #endif /* CONFIG_NO_RADIUS */
1967 } else if (os_strncmp(buf, "MIB ", 4) == 0) {
1968 reply_len = hostapd_ctrl_iface_mib(hapd, reply, reply_size,
1970 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
1971 reply_len = hostapd_ctrl_iface_sta_first(hapd, reply,
1973 } else if (os_strncmp(buf, "STA ", 4) == 0) {
1974 reply_len = hostapd_ctrl_iface_sta(hapd, buf + 4, reply,
1976 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
1977 reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply,
1979 } else if (os_strcmp(buf, "ATTACH") == 0) {
1980 if (hostapd_ctrl_iface_attach(hapd, &from, fromlen))
1982 } else if (os_strcmp(buf, "DETACH") == 0) {
1983 if (hostapd_ctrl_iface_detach(hapd, &from, fromlen))
1985 } else if (os_strncmp(buf, "LEVEL ", 6) == 0) {
1986 if (hostapd_ctrl_iface_level(hapd, &from, fromlen,
1989 } else if (os_strncmp(buf, "NEW_STA ", 8) == 0) {
1990 if (hostapd_ctrl_iface_new_sta(hapd, buf + 8))
1992 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
1993 if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15))
1995 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
1996 if (hostapd_ctrl_iface_disassociate(hapd, buf + 13))
1998 } else if (os_strcmp(buf, "STOP_AP") == 0) {
1999 if (hostapd_ctrl_iface_stop_ap(hapd))
2001 #ifdef CONFIG_IEEE80211W
2003 } else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) {
2004 if (hostapd_ctrl_iface_sa_query(hapd, buf + 9))
2006 #endif /* NEED_AP_MLME */
2007 #endif /* CONFIG_IEEE80211W */
2009 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
2010 if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8))
2012 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
2013 reply_len = hostapd_ctrl_iface_wps_check_pin(
2014 hapd, buf + 14, reply, reply_size);
2015 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
2016 if (hostapd_wps_button_pushed(hapd, NULL))
2018 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
2019 if (hostapd_wps_cancel(hapd))
2021 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
2022 reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11,
2024 } else if (os_strncmp(buf, "WPS_CONFIG ", 11) == 0) {
2025 if (hostapd_ctrl_iface_wps_config(hapd, buf + 11) < 0)
2027 } else if (os_strncmp(buf, "WPS_GET_STATUS", 13) == 0) {
2028 reply_len = hostapd_ctrl_iface_wps_get_status(hapd, reply,
2030 #ifdef CONFIG_WPS_NFC
2031 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
2032 if (hostapd_ctrl_iface_wps_nfc_tag_read(hapd, buf + 17))
2034 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
2035 reply_len = hostapd_ctrl_iface_wps_nfc_config_token(
2036 hapd, buf + 21, reply, reply_size);
2037 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
2038 reply_len = hostapd_ctrl_iface_wps_nfc_token(
2039 hapd, buf + 14, reply, reply_size);
2040 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
2041 reply_len = hostapd_ctrl_iface_nfc_get_handover_sel(
2042 hapd, buf + 21, reply, reply_size);
2043 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
2044 if (hostapd_ctrl_iface_nfc_report_handover(hapd, buf + 20))
2046 #endif /* CONFIG_WPS_NFC */
2047 #endif /* CONFIG_WPS */
2048 #ifdef CONFIG_INTERWORKING
2049 } else if (os_strncmp(buf, "SET_QOS_MAP_SET ", 16) == 0) {
2050 if (hostapd_ctrl_iface_set_qos_map_set(hapd, buf + 16))
2052 } else if (os_strncmp(buf, "SEND_QOS_MAP_CONF ", 18) == 0) {
2053 if (hostapd_ctrl_iface_send_qos_map_conf(hapd, buf + 18))
2055 #endif /* CONFIG_INTERWORKING */
2057 } else if (os_strncmp(buf, "HS20_WNM_NOTIF ", 15) == 0) {
2058 if (hostapd_ctrl_iface_hs20_wnm_notif(hapd, buf + 15))
2060 } else if (os_strncmp(buf, "HS20_DEAUTH_REQ ", 16) == 0) {
2061 if (hostapd_ctrl_iface_hs20_deauth_req(hapd, buf + 16))
2063 #endif /* CONFIG_HS20 */
2065 } else if (os_strncmp(buf, "DISASSOC_IMMINENT ", 18) == 0) {
2066 if (hostapd_ctrl_iface_disassoc_imminent(hapd, buf + 18))
2068 } else if (os_strncmp(buf, "ESS_DISASSOC ", 13) == 0) {
2069 if (hostapd_ctrl_iface_ess_disassoc(hapd, buf + 13))
2071 } else if (os_strncmp(buf, "BSS_TM_REQ ", 11) == 0) {
2072 if (hostapd_ctrl_iface_bss_tm_req(hapd, buf + 11))
2074 #endif /* CONFIG_WNM */
2075 } else if (os_strcmp(buf, "GET_CONFIG") == 0) {
2076 reply_len = hostapd_ctrl_iface_get_config(hapd, reply,
2078 } else if (os_strncmp(buf, "SET ", 4) == 0) {
2079 if (hostapd_ctrl_iface_set(hapd, buf + 4))
2081 } else if (os_strncmp(buf, "GET ", 4) == 0) {
2082 reply_len = hostapd_ctrl_iface_get(hapd, buf + 4, reply,
2084 } else if (os_strncmp(buf, "ENABLE", 6) == 0) {
2085 if (hostapd_ctrl_iface_enable(hapd->iface))
2087 } else if (os_strncmp(buf, "RELOAD", 6) == 0) {
2088 if (hostapd_ctrl_iface_reload(hapd->iface))
2090 } else if (os_strncmp(buf, "DISABLE", 7) == 0) {
2091 if (hostapd_ctrl_iface_disable(hapd->iface))
2093 } else if (os_strcmp(buf, "UPDATE_BEACON") == 0) {
2094 if (ieee802_11_set_beacon(hapd))
2096 #ifdef CONFIG_TESTING_OPTIONS
2097 } else if (os_strncmp(buf, "RADAR ", 6) == 0) {
2098 if (hostapd_ctrl_iface_radar(hapd, buf + 6))
2100 } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
2101 if (hostapd_ctrl_iface_mgmt_tx(hapd, buf + 8))
2103 } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
2104 if (hostapd_ctrl_iface_eapol_rx(hapd, buf + 9) < 0)
2106 } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
2107 if (hostapd_ctrl_iface_data_test_config(hapd, buf + 17) < 0)
2109 } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
2110 if (hostapd_ctrl_iface_data_test_tx(hapd, buf + 13) < 0)
2112 } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
2113 if (hostapd_ctrl_iface_data_test_frame(hapd, buf + 16) < 0)
2115 } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
2116 if (hostapd_ctrl_test_alloc_fail(hapd, buf + 16) < 0)
2118 } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
2119 reply_len = hostapd_ctrl_get_alloc_fail(hapd, reply,
2121 } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
2122 if (hostapd_ctrl_test_fail(hapd, buf + 10) < 0)
2124 } else if (os_strcmp(buf, "GET_FAIL") == 0) {
2125 reply_len = hostapd_ctrl_get_fail(hapd, reply, reply_size);
2126 #endif /* CONFIG_TESTING_OPTIONS */
2127 } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
2128 if (hostapd_ctrl_iface_chan_switch(hapd->iface, buf + 12))
2130 } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
2131 reply_len = hostapd_ctrl_iface_vendor(hapd, buf + 7, reply,
2133 } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
2134 ieee802_1x_erp_flush(hapd);
2135 #ifdef RADIUS_SERVER
2136 radius_server_erp_flush(hapd->radius_srv);
2137 #endif /* RADIUS_SERVER */
2139 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
2143 if (reply_len < 0) {
2144 os_memcpy(reply, "FAIL\n", 5);
2147 if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
2149 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
2156 static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
2161 if (hapd->conf->ctrl_interface == NULL)
2164 len = os_strlen(hapd->conf->ctrl_interface) +
2165 os_strlen(hapd->conf->iface) + 2;
2166 buf = os_malloc(len);
2170 os_snprintf(buf, len, "%s/%s",
2171 hapd->conf->ctrl_interface, hapd->conf->iface);
2172 buf[len - 1] = '\0';
2177 static void hostapd_ctrl_iface_msg_cb(void *ctx, int level,
2178 enum wpa_msg_type type,
2179 const char *txt, size_t len)
2181 struct hostapd_data *hapd = ctx;
2184 hostapd_ctrl_iface_send(hapd, level, txt, len);
2188 int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
2190 struct sockaddr_un addr;
2194 if (hapd->ctrl_sock > -1) {
2195 wpa_printf(MSG_DEBUG, "ctrl_iface already exists!");
2199 if (hapd->conf->ctrl_interface == NULL)
2202 if (mkdir(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
2203 if (errno == EEXIST) {
2204 wpa_printf(MSG_DEBUG, "Using existing control "
2205 "interface directory.");
2207 wpa_printf(MSG_ERROR, "mkdir[ctrl_interface]: %s",
2213 if (hapd->conf->ctrl_interface_gid_set &&
2214 chown(hapd->conf->ctrl_interface, -1,
2215 hapd->conf->ctrl_interface_gid) < 0) {
2216 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
2221 if (!hapd->conf->ctrl_interface_gid_set &&
2222 hapd->iface->interfaces->ctrl_iface_group &&
2223 chown(hapd->conf->ctrl_interface, -1,
2224 hapd->iface->interfaces->ctrl_iface_group) < 0) {
2225 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
2232 * Android is using umask 0077 which would leave the control interface
2233 * directory without group access. This breaks things since Wi-Fi
2234 * framework assumes that this directory can be accessed by other
2235 * applications in the wifi group. Fix this by adding group access even
2236 * if umask value would prevent this.
2238 if (chmod(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
2239 wpa_printf(MSG_ERROR, "CTRL: Could not chmod directory: %s",
2241 /* Try to continue anyway */
2243 #endif /* ANDROID */
2245 if (os_strlen(hapd->conf->ctrl_interface) + 1 +
2246 os_strlen(hapd->conf->iface) >= sizeof(addr.sun_path))
2249 s = socket(PF_UNIX, SOCK_DGRAM, 0);
2251 wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno));
2255 os_memset(&addr, 0, sizeof(addr));
2257 addr.sun_len = sizeof(addr);
2258 #endif /* __FreeBSD__ */
2259 addr.sun_family = AF_UNIX;
2260 fname = hostapd_ctrl_iface_path(hapd);
2263 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
2264 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2265 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
2267 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2268 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
2269 " allow connections - assuming it was left"
2270 "over from forced program termination");
2271 if (unlink(fname) < 0) {
2272 wpa_printf(MSG_ERROR,
2273 "Could not unlink existing ctrl_iface socket '%s': %s",
2274 fname, strerror(errno));
2277 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
2279 wpa_printf(MSG_ERROR,
2280 "hostapd-ctrl-iface: bind(PF_UNIX): %s",
2284 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
2285 "ctrl_iface socket '%s'", fname);
2287 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
2288 "be in use - cannot override it");
2289 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
2290 "not used anymore", fname);
2297 if (hapd->conf->ctrl_interface_gid_set &&
2298 chown(fname, -1, hapd->conf->ctrl_interface_gid) < 0) {
2299 wpa_printf(MSG_ERROR, "chown[ctrl_interface/ifname]: %s",
2304 if (!hapd->conf->ctrl_interface_gid_set &&
2305 hapd->iface->interfaces->ctrl_iface_group &&
2306 chown(fname, -1, hapd->iface->interfaces->ctrl_iface_group) < 0) {
2307 wpa_printf(MSG_ERROR, "chown[ctrl_interface/ifname]: %s",
2312 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
2313 wpa_printf(MSG_ERROR, "chmod[ctrl_interface/ifname]: %s",
2319 hapd->ctrl_sock = s;
2320 if (eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd,
2322 hostapd_ctrl_iface_deinit(hapd);
2325 hapd->msg_ctx = hapd;
2326 wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb);
2341 void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
2343 struct wpa_ctrl_dst *dst, *prev;
2345 if (hapd->ctrl_sock > -1) {
2347 eloop_unregister_read_sock(hapd->ctrl_sock);
2348 close(hapd->ctrl_sock);
2349 hapd->ctrl_sock = -1;
2350 fname = hostapd_ctrl_iface_path(hapd);
2355 if (hapd->conf->ctrl_interface &&
2356 rmdir(hapd->conf->ctrl_interface) < 0) {
2357 if (errno == ENOTEMPTY) {
2358 wpa_printf(MSG_DEBUG, "Control interface "
2359 "directory not empty - leaving it "
2362 wpa_printf(MSG_ERROR,
2363 "rmdir[ctrl_interface=%s]: %s",
2364 hapd->conf->ctrl_interface,
2370 dst = hapd->ctrl_dst;
2371 hapd->ctrl_dst = NULL;
2378 #ifdef CONFIG_TESTING_OPTIONS
2379 l2_packet_deinit(hapd->l2_test);
2380 hapd->l2_test = NULL;
2381 #endif /* CONFIG_TESTING_OPTIONS */
2385 static int hostapd_ctrl_iface_add(struct hapd_interfaces *interfaces,
2388 if (hostapd_add_iface(interfaces, buf) < 0) {
2389 wpa_printf(MSG_ERROR, "Adding interface %s failed", buf);
2396 static int hostapd_ctrl_iface_remove(struct hapd_interfaces *interfaces,
2399 if (hostapd_remove_iface(interfaces, buf) < 0) {
2400 wpa_printf(MSG_ERROR, "Removing interface %s failed", buf);
2407 static void hostapd_ctrl_iface_flush(struct hapd_interfaces *interfaces)
2409 #ifdef CONFIG_WPS_TESTING
2410 wps_version_number = 0x20;
2411 wps_testing_dummy_cred = 0;
2412 wps_corrupt_pkhash = 0;
2413 #endif /* CONFIG_WPS_TESTING */
2417 static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
2420 void *interfaces = eloop_ctx;
2423 struct sockaddr_un from;
2424 socklen_t fromlen = sizeof(from);
2428 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
2429 (struct sockaddr *) &from, &fromlen);
2431 wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s",
2436 wpa_printf(MSG_DEBUG, "Global ctrl_iface command: %s", buf);
2438 os_memcpy(reply, "OK\n", 3);
2441 if (os_strcmp(buf, "PING") == 0) {
2442 os_memcpy(reply, "PONG\n", 5);
2444 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
2445 if (wpa_debug_reopen_file() < 0)
2447 } else if (os_strcmp(buf, "FLUSH") == 0) {
2448 hostapd_ctrl_iface_flush(interfaces);
2449 } else if (os_strncmp(buf, "ADD ", 4) == 0) {
2450 if (hostapd_ctrl_iface_add(interfaces, buf + 4) < 0)
2452 } else if (os_strncmp(buf, "REMOVE ", 7) == 0) {
2453 if (hostapd_ctrl_iface_remove(interfaces, buf + 7) < 0)
2455 #ifdef CONFIG_MODULE_TESTS
2456 } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
2457 int hapd_module_tests(void);
2458 if (hapd_module_tests() < 0)
2460 #endif /* CONFIG_MODULE_TESTS */
2462 wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command "
2467 if (reply_len < 0) {
2468 os_memcpy(reply, "FAIL\n", 5);
2472 if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
2474 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
2480 static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface)
2485 if (interface->global_iface_path == NULL)
2488 len = os_strlen(interface->global_iface_path) +
2489 os_strlen(interface->global_iface_name) + 2;
2490 buf = os_malloc(len);
2494 os_snprintf(buf, len, "%s/%s", interface->global_iface_path,
2495 interface->global_iface_name);
2496 buf[len - 1] = '\0';
2501 int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface)
2503 struct sockaddr_un addr;
2507 if (interface->global_iface_path == NULL) {
2508 wpa_printf(MSG_DEBUG, "ctrl_iface not configured!");
2512 if (mkdir(interface->global_iface_path, S_IRWXU | S_IRWXG) < 0) {
2513 if (errno == EEXIST) {
2514 wpa_printf(MSG_DEBUG, "Using existing control "
2515 "interface directory.");
2517 wpa_printf(MSG_ERROR, "mkdir[ctrl_interface]: %s",
2521 } else if (interface->ctrl_iface_group &&
2522 chown(interface->global_iface_path, -1,
2523 interface->ctrl_iface_group) < 0) {
2524 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
2529 if (os_strlen(interface->global_iface_path) + 1 +
2530 os_strlen(interface->global_iface_name) >= sizeof(addr.sun_path))
2533 s = socket(PF_UNIX, SOCK_DGRAM, 0);
2535 wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno));
2539 os_memset(&addr, 0, sizeof(addr));
2541 addr.sun_len = sizeof(addr);
2542 #endif /* __FreeBSD__ */
2543 addr.sun_family = AF_UNIX;
2544 fname = hostapd_global_ctrl_iface_path(interface);
2547 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
2548 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2549 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
2551 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2552 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
2553 " allow connections - assuming it was left"
2554 "over from forced program termination");
2555 if (unlink(fname) < 0) {
2556 wpa_printf(MSG_ERROR,
2557 "Could not unlink existing ctrl_iface socket '%s': %s",
2558 fname, strerror(errno));
2561 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
2563 wpa_printf(MSG_ERROR, "bind(PF_UNIX): %s",
2567 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
2568 "ctrl_iface socket '%s'", fname);
2570 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
2571 "be in use - cannot override it");
2572 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
2573 "not used anymore", fname);
2580 if (interface->ctrl_iface_group &&
2581 chown(fname, -1, interface->ctrl_iface_group) < 0) {
2582 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
2587 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
2588 wpa_printf(MSG_ERROR, "chmod[ctrl_interface/ifname]: %s",
2594 interface->global_ctrl_sock = s;
2595 eloop_register_read_sock(s, hostapd_global_ctrl_iface_receive,
2611 void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces)
2615 if (interfaces->global_ctrl_sock > -1) {
2616 eloop_unregister_read_sock(interfaces->global_ctrl_sock);
2617 close(interfaces->global_ctrl_sock);
2618 interfaces->global_ctrl_sock = -1;
2619 fname = hostapd_global_ctrl_iface_path(interfaces);
2625 if (interfaces->global_iface_path &&
2626 rmdir(interfaces->global_iface_path) < 0) {
2627 if (errno == ENOTEMPTY) {
2628 wpa_printf(MSG_DEBUG, "Control interface "
2629 "directory not empty - leaving it "
2632 wpa_printf(MSG_ERROR,
2633 "rmdir[ctrl_interface=%s]: %s",
2634 interfaces->global_iface_path,
2638 os_free(interfaces->global_iface_path);
2639 interfaces->global_iface_path = NULL;
2644 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
2645 const char *buf, size_t len)
2647 struct wpa_ctrl_dst *dst, *next;
2653 dst = hapd->ctrl_dst;
2654 if (hapd->ctrl_sock < 0 || dst == NULL)
2657 os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
2658 io[0].iov_base = levelstr;
2659 io[0].iov_len = os_strlen(levelstr);
2660 io[1].iov_base = (char *) buf;
2661 io[1].iov_len = len;
2662 os_memset(&msg, 0, sizeof(msg));
2669 if (level >= dst->debug_level) {
2670 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send",
2671 (u8 *) dst->addr.sun_path, dst->addrlen -
2672 offsetof(struct sockaddr_un, sun_path));
2673 msg.msg_name = &dst->addr;
2674 msg.msg_namelen = dst->addrlen;
2675 if (sendmsg(hapd->ctrl_sock, &msg, 0) < 0) {
2677 wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: "
2679 idx, errno, strerror(errno));
2681 if (dst->errors > 10 || _errno == ENOENT) {
2682 hostapd_ctrl_iface_detach(
2694 #endif /* CONFIG_NATIVE_WINDOWS */