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 "eapol_auth/eapol_auth_sm.h"
29 #include "radius/radius_client.h"
30 #include "radius/radius_server.h"
31 #include "l2_packet/l2_packet.h"
32 #include "ap/hostapd.h"
33 #include "ap/ap_config.h"
34 #include "ap/ieee802_1x.h"
35 #include "ap/wpa_auth.h"
36 #include "ap/ieee802_11.h"
37 #include "ap/sta_info.h"
38 #include "ap/wps_hostapd.h"
39 #include "ap/ctrl_iface_ap.h"
40 #include "ap/ap_drv_ops.h"
42 #include "ap/wnm_ap.h"
43 #include "ap/wpa_auth.h"
44 #include "ap/beacon.h"
45 #include "wps/wps_defs.h"
47 #include "fst/fst_ctrl_iface.h"
48 #include "config_file.h"
49 #include "ctrl_iface.h"
52 #define HOSTAPD_CLI_DUP_VALUE_MAX_LEN 256
55 struct wpa_ctrl_dst *next;
56 struct sockaddr_un addr;
63 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
64 enum wpa_msg_type type,
65 const char *buf, size_t len);
68 static int hostapd_ctrl_iface_attach(struct hostapd_data *hapd,
69 struct sockaddr_un *from,
72 struct wpa_ctrl_dst *dst;
74 dst = os_zalloc(sizeof(*dst));
77 os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
78 dst->addrlen = fromlen;
79 dst->debug_level = MSG_INFO;
80 dst->next = hapd->ctrl_dst;
82 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached",
83 (u8 *) from->sun_path,
84 fromlen - offsetof(struct sockaddr_un, sun_path));
89 static int hostapd_ctrl_iface_detach(struct hostapd_data *hapd,
90 struct sockaddr_un *from,
93 struct wpa_ctrl_dst *dst, *prev = NULL;
97 if (fromlen == dst->addrlen &&
98 os_memcmp(from->sun_path, dst->addr.sun_path,
99 fromlen - offsetof(struct sockaddr_un, sun_path))
101 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached",
102 (u8 *) from->sun_path,
104 offsetof(struct sockaddr_un, sun_path));
106 hapd->ctrl_dst = dst->next;
108 prev->next = dst->next;
119 static int hostapd_ctrl_iface_level(struct hostapd_data *hapd,
120 struct sockaddr_un *from,
124 struct wpa_ctrl_dst *dst;
126 wpa_printf(MSG_DEBUG, "CTRL_IFACE LEVEL %s", level);
128 dst = hapd->ctrl_dst;
130 if (fromlen == dst->addrlen &&
131 os_memcmp(from->sun_path, dst->addr.sun_path,
132 fromlen - offsetof(struct sockaddr_un, sun_path))
134 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor "
135 "level", (u8 *) from->sun_path, fromlen -
136 offsetof(struct sockaddr_un, sun_path));
137 dst->debug_level = atoi(level);
147 static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
151 struct sta_info *sta;
153 wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr);
155 if (hwaddr_aton(txtaddr, addr))
158 sta = ap_get_sta(hapd, addr);
162 wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface "
163 "notification", MAC2STR(addr));
164 sta = ap_sta_add(hapd, addr);
168 hostapd_new_assoc_sta(hapd, sta, 0);
173 #ifdef CONFIG_IEEE80211W
175 static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd,
179 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
181 wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr);
183 if (hwaddr_aton(txtaddr, addr) ||
184 os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0)
187 ieee802_11_send_sa_query_req(hapd, addr, trans_id);
191 #endif /* NEED_AP_MLME */
192 #endif /* CONFIG_IEEE80211W */
196 static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt)
198 char *pin = os_strchr(txt, ' ');
201 u8 addr_buf[ETH_ALEN], *addr = NULL;
208 timeout_txt = os_strchr(pin, ' ');
210 *timeout_txt++ = '\0';
211 timeout = atoi(timeout_txt);
212 pos = os_strchr(timeout_txt, ' ');
215 if (hwaddr_aton(pos, addr_buf) == 0)
221 return hostapd_wps_add_pin(hapd, addr, txt, pin, timeout);
225 static int hostapd_ctrl_iface_wps_check_pin(
226 struct hostapd_data *hapd, char *cmd, char *buf, size_t buflen)
233 wpa_hexdump_ascii_key(MSG_DEBUG, "WPS_CHECK_PIN",
234 (u8 *) cmd, os_strlen(cmd));
235 for (pos = cmd, len = 0; *pos != '\0'; pos++) {
236 if (*pos < '0' || *pos > '9')
240 wpa_printf(MSG_DEBUG, "WPS: Too long PIN");
244 if (len != 4 && len != 8) {
245 wpa_printf(MSG_DEBUG, "WPS: Invalid PIN length %d", (int) len);
251 unsigned int pin_val;
253 if (!wps_pin_valid(pin_val)) {
254 wpa_printf(MSG_DEBUG, "WPS: Invalid checksum digit");
255 ret = os_snprintf(buf, buflen, "FAIL-CHECKSUM\n");
256 if (os_snprintf_error(buflen, ret))
262 ret = os_snprintf(buf, buflen, "%s", pin);
263 if (os_snprintf_error(buflen, ret))
270 #ifdef CONFIG_WPS_NFC
271 static int hostapd_ctrl_iface_wps_nfc_tag_read(struct hostapd_data *hapd,
278 len = os_strlen(pos);
283 buf = wpabuf_alloc(len);
286 if (hexstr2bin(pos, wpabuf_put(buf, len), len) < 0) {
291 ret = hostapd_wps_nfc_tag_read(hapd, buf);
298 static int hostapd_ctrl_iface_wps_nfc_config_token(struct hostapd_data *hapd,
299 char *cmd, char *reply,
306 if (os_strcmp(cmd, "WPS") == 0)
308 else if (os_strcmp(cmd, "NDEF") == 0)
313 buf = hostapd_wps_nfc_config_token(hapd, ndef);
317 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
328 static int hostapd_ctrl_iface_wps_nfc_token_gen(struct hostapd_data *hapd,
329 char *reply, size_t max_len,
335 buf = hostapd_wps_nfc_token_gen(hapd, ndef);
339 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
350 static int hostapd_ctrl_iface_wps_nfc_token(struct hostapd_data *hapd,
351 char *cmd, char *reply,
354 if (os_strcmp(cmd, "WPS") == 0)
355 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
358 if (os_strcmp(cmd, "NDEF") == 0)
359 return hostapd_ctrl_iface_wps_nfc_token_gen(hapd, reply,
362 if (os_strcmp(cmd, "enable") == 0)
363 return hostapd_wps_nfc_token_enable(hapd);
365 if (os_strcmp(cmd, "disable") == 0) {
366 hostapd_wps_nfc_token_disable(hapd);
374 static int hostapd_ctrl_iface_nfc_get_handover_sel(struct hostapd_data *hapd,
375 char *cmd, char *reply,
383 pos = os_strchr(cmd, ' ');
388 if (os_strcmp(cmd, "WPS") == 0)
390 else if (os_strcmp(cmd, "NDEF") == 0)
395 if (os_strcmp(pos, "WPS-CR") == 0)
396 buf = hostapd_wps_nfc_hs_cr(hapd, ndef);
402 res = wpa_snprintf_hex_uppercase(reply, max_len, wpabuf_head(buf),
413 static int hostapd_ctrl_iface_nfc_report_handover(struct hostapd_data *hapd,
417 struct wpabuf *req, *sel;
419 char *pos, *role, *type, *pos2;
422 pos = os_strchr(role, ' ');
428 pos = os_strchr(type, ' ');
433 pos2 = os_strchr(pos, ' ');
438 len = os_strlen(pos);
443 req = wpabuf_alloc(len);
446 if (hexstr2bin(pos, wpabuf_put(req, len), len) < 0) {
451 len = os_strlen(pos2);
458 sel = wpabuf_alloc(len);
463 if (hexstr2bin(pos2, wpabuf_put(sel, len), len) < 0) {
469 if (os_strcmp(role, "RESP") == 0 && os_strcmp(type, "WPS") == 0) {
470 ret = hostapd_wps_nfc_report_handover(hapd, req, sel);
472 wpa_printf(MSG_DEBUG, "NFC: Unsupported connection handover "
473 "reported: role=%s type=%s", role, type);
482 #endif /* CONFIG_WPS_NFC */
485 static int hostapd_ctrl_iface_wps_ap_pin(struct hostapd_data *hapd, char *txt,
486 char *buf, size_t buflen)
492 pos = os_strchr(txt, ' ');
496 if (os_strcmp(txt, "disable") == 0) {
497 hostapd_wps_ap_pin_disable(hapd);
498 return os_snprintf(buf, buflen, "OK\n");
501 if (os_strcmp(txt, "random") == 0) {
504 pin_txt = hostapd_wps_ap_pin_random(hapd, timeout);
507 return os_snprintf(buf, buflen, "%s", pin_txt);
510 if (os_strcmp(txt, "get") == 0) {
511 pin_txt = hostapd_wps_ap_pin_get(hapd);
514 return os_snprintf(buf, buflen, "%s", pin_txt);
517 if (os_strcmp(txt, "set") == 0) {
522 pos = os_strchr(pos, ' ');
527 if (os_strlen(pin) > buflen)
529 if (hostapd_wps_ap_pin_set(hapd, pin, timeout) < 0)
531 return os_snprintf(buf, buflen, "%s", pin);
538 static int hostapd_ctrl_iface_wps_config(struct hostapd_data *hapd, char *txt)
541 char *ssid, *auth, *encr = NULL, *key = NULL;
544 pos = os_strchr(txt, ' ');
550 pos = os_strchr(pos, ' ');
554 pos = os_strchr(pos, ' ');
561 return hostapd_wps_config_ap(hapd, ssid, auth, encr, key);
565 static const char * pbc_status_str(enum pbc_status status)
568 case WPS_PBC_STATUS_DISABLE:
570 case WPS_PBC_STATUS_ACTIVE:
572 case WPS_PBC_STATUS_TIMEOUT:
574 case WPS_PBC_STATUS_OVERLAP:
582 static int hostapd_ctrl_iface_wps_get_status(struct hostapd_data *hapd,
583 char *buf, size_t buflen)
591 ret = os_snprintf(pos, end - pos, "PBC Status: %s\n",
592 pbc_status_str(hapd->wps_stats.pbc_status));
594 if (os_snprintf_error(end - pos, ret))
598 ret = os_snprintf(pos, end - pos, "Last WPS result: %s\n",
599 (hapd->wps_stats.status == WPS_STATUS_SUCCESS ?
601 (hapd->wps_stats.status == WPS_STATUS_FAILURE ?
602 "Failed" : "None")));
604 if (os_snprintf_error(end - pos, ret))
608 /* If status == Failure - Add possible Reasons */
609 if(hapd->wps_stats.status == WPS_STATUS_FAILURE &&
610 hapd->wps_stats.failure_reason > 0) {
611 ret = os_snprintf(pos, end - pos,
612 "Failure Reason: %s\n",
613 wps_ei_str(hapd->wps_stats.failure_reason));
615 if (os_snprintf_error(end - pos, ret))
620 if (hapd->wps_stats.status) {
621 ret = os_snprintf(pos, end - pos, "Peer Address: " MACSTR "\n",
622 MAC2STR(hapd->wps_stats.peer_addr));
624 if (os_snprintf_error(end - pos, ret))
632 #endif /* CONFIG_WPS */
636 static int hostapd_ctrl_iface_hs20_wnm_notif(struct hostapd_data *hapd,
642 if (hwaddr_aton(cmd, addr))
655 return hs20_send_wnm_notification(hapd, addr, 1, url);
659 static int hostapd_ctrl_iface_hs20_deauth_req(struct hostapd_data *hapd,
663 int code, reauth_delay, ret;
668 /* <STA MAC Addr> <Code(0/1)> <Re-auth-Delay(sec)> [URL] */
669 if (hwaddr_aton(cmd, addr))
672 pos = os_strchr(cmd, ' ');
678 pos = os_strchr(pos, ' ');
682 reauth_delay = atoi(pos);
685 pos = os_strchr(pos, ' ');
688 url_len = os_strlen(pos);
691 req = wpabuf_alloc(4 + url_len);
694 wpabuf_put_u8(req, code);
695 wpabuf_put_le16(req, reauth_delay);
696 wpabuf_put_u8(req, url_len);
698 wpabuf_put_data(req, pos, url_len);
700 wpa_printf(MSG_DEBUG, "HS 2.0: Send WNM-Notification to " MACSTR
701 " to indicate imminent deauthentication (code=%d "
702 "reauth_delay=%d)", MAC2STR(addr), code, reauth_delay);
703 ret = hs20_send_wnm_notification_deauth_req(hapd, addr, req);
708 #endif /* CONFIG_HS20 */
711 #ifdef CONFIG_INTERWORKING
713 static int hostapd_ctrl_iface_set_qos_map_set(struct hostapd_data *hapd,
716 u8 qos_map_set[16 + 2 * 21], count = 0;
717 const char *pos = cmd;
721 if (count == sizeof(qos_map_set)) {
722 wpa_printf(MSG_ERROR, "Too many qos_map_set parameters");
727 if (val < 0 || val > 255) {
728 wpa_printf(MSG_INFO, "Invalid QoS Map Set");
732 qos_map_set[count++] = val;
733 pos = os_strchr(pos, ',');
739 if (count < 16 || count & 1) {
740 wpa_printf(MSG_INFO, "Invalid QoS Map Set");
744 ret = hostapd_drv_set_qos_map(hapd, qos_map_set, count);
746 wpa_printf(MSG_INFO, "Failed to set QoS Map Set");
750 os_memcpy(hapd->conf->qos_map_set, qos_map_set, count);
751 hapd->conf->qos_map_set_len = count;
757 static int hostapd_ctrl_iface_send_qos_map_conf(struct hostapd_data *hapd,
761 struct sta_info *sta;
763 u8 *qos_map_set = hapd->conf->qos_map_set;
764 u8 qos_map_set_len = hapd->conf->qos_map_set_len;
767 if (!qos_map_set_len) {
768 wpa_printf(MSG_INFO, "QoS Map Set is not set");
772 if (hwaddr_aton(cmd, addr))
775 sta = ap_get_sta(hapd, addr);
777 wpa_printf(MSG_DEBUG, "Station " MACSTR " not found "
778 "for QoS Map Configuration message",
783 if (!sta->qos_map_enabled) {
784 wpa_printf(MSG_DEBUG, "Station " MACSTR " did not indicate "
785 "support for QoS Map", MAC2STR(addr));
789 buf = wpabuf_alloc(2 + 2 + qos_map_set_len);
793 wpabuf_put_u8(buf, WLAN_ACTION_QOS);
794 wpabuf_put_u8(buf, QOS_QOS_MAP_CONFIG);
796 /* QoS Map Set Element */
797 wpabuf_put_u8(buf, WLAN_EID_QOS_MAP_SET);
798 wpabuf_put_u8(buf, qos_map_set_len);
799 wpabuf_put_data(buf, qos_map_set, qos_map_set_len);
801 ret = hostapd_drv_send_action(hapd, hapd->iface->freq, 0, addr,
802 wpabuf_head(buf), wpabuf_len(buf));
808 #endif /* CONFIG_INTERWORKING */
813 static int hostapd_ctrl_iface_disassoc_imminent(struct hostapd_data *hapd,
818 struct sta_info *sta;
820 if (hwaddr_aton(cmd, addr))
824 disassoc_timer = atoi(cmd + 17);
826 sta = ap_get_sta(hapd, addr);
828 wpa_printf(MSG_DEBUG, "Station " MACSTR
829 " not found for disassociation imminent message",
834 return wnm_send_disassoc_imminent(hapd, sta, disassoc_timer);
838 static int hostapd_ctrl_iface_ess_disassoc(struct hostapd_data *hapd,
842 const char *url, *timerstr;
844 struct sta_info *sta;
846 if (hwaddr_aton(cmd, addr))
849 sta = ap_get_sta(hapd, addr);
851 wpa_printf(MSG_DEBUG, "Station " MACSTR
852 " not found for ESS disassociation imminent message",
858 if (*timerstr != ' ')
861 disassoc_timer = atoi(timerstr);
862 if (disassoc_timer < 0 || disassoc_timer > 65535)
865 url = os_strchr(timerstr, ' ');
870 return wnm_send_ess_disassoc_imminent(hapd, sta, url, disassoc_timer);
874 static int hostapd_ctrl_iface_bss_tm_req(struct hostapd_data *hapd,
878 const char *pos, *end;
879 int disassoc_timer = 0;
880 struct sta_info *sta;
881 u8 req_mode = 0, valid_int = 0x01;
886 u8 *nei_pos = nei_rep;
888 if (hwaddr_aton(cmd, addr)) {
889 wpa_printf(MSG_DEBUG, "Invalid STA MAC address");
893 sta = ap_get_sta(hapd, addr);
895 wpa_printf(MSG_DEBUG, "Station " MACSTR
896 " not found for BSS TM Request message",
901 pos = os_strstr(cmd, " disassoc_timer=");
904 disassoc_timer = atoi(pos);
905 if (disassoc_timer < 0 || disassoc_timer > 65535) {
906 wpa_printf(MSG_DEBUG, "Invalid disassoc_timer");
911 pos = os_strstr(cmd, " valid_int=");
914 valid_int = atoi(pos);
917 pos = os_strstr(cmd, " bss_term=");
920 req_mode |= WNM_BSS_TM_REQ_BSS_TERMINATION_INCLUDED;
921 /* TODO: TSF configurable/learnable */
922 bss_term_dur[0] = 4; /* Subelement ID */
923 bss_term_dur[1] = 10; /* Length */
924 os_memset(bss_term_dur, 2, 8);
925 end = os_strchr(pos, ',');
927 wpa_printf(MSG_DEBUG, "Invalid bss_term data");
931 WPA_PUT_LE16(&bss_term_dur[10], atoi(end));
936 * BSS Transition Candidate List Entries - Neighbor Report elements
937 * neighbor=<BSSID>,<BSSID Information>,<Operating Class>,
938 * <Channel Number>,<PHY Type>[,<hexdump of Optional Subelements>]
946 pos = os_strstr(pos, " neighbor=");
949 if (nei_pos + 15 > nei_rep + sizeof(nei_rep)) {
950 wpa_printf(MSG_DEBUG,
951 "Not enough room for additional neighbor");
957 *nei_pos++ = WLAN_EID_NEIGHBOR_REPORT;
958 nei_pos++; /* length to be filled in */
960 if (hwaddr_aton(pos, nei_pos)) {
961 wpa_printf(MSG_DEBUG, "Invalid BSSID");
967 wpa_printf(MSG_DEBUG, "Missing BSSID Information");
972 val = strtol(pos, &endptr, 0);
973 WPA_PUT_LE32(nei_pos, val);
975 if (*endptr != ',') {
976 wpa_printf(MSG_DEBUG, "Missing Operating Class");
981 *nei_pos++ = atoi(pos); /* Operating Class */
982 pos = os_strchr(pos, ',');
984 wpa_printf(MSG_DEBUG, "Missing Channel Number");
989 *nei_pos++ = atoi(pos); /* Channel Number */
990 pos = os_strchr(pos, ',');
992 wpa_printf(MSG_DEBUG, "Missing PHY Type");
997 *nei_pos++ = atoi(pos); /* PHY Type */
998 end = os_strchr(pos, ' ');
999 tmp = os_strchr(pos, ',');
1000 if (tmp && (!end || tmp < end)) {
1001 /* Optional Subelements (hexdump) */
1005 end = os_strchr(pos, ' ');
1009 len = os_strlen(pos);
1010 if (nei_pos + len / 2 > nei_rep + sizeof(nei_rep)) {
1011 wpa_printf(MSG_DEBUG,
1012 "Not enough room for neighbor subelements");
1016 hexstr2bin(pos, nei_pos, len / 2) < 0) {
1017 wpa_printf(MSG_DEBUG,
1018 "Invalid neighbor subelement info");
1025 nei_start[1] = nei_pos - nei_start - 2;
1028 pos = os_strstr(cmd, " url=");
1032 end = os_strchr(pos, ' ');
1036 len = os_strlen(pos);
1037 url = os_malloc(len + 1);
1040 os_memcpy(url, pos, len);
1042 req_mode |= WNM_BSS_TM_REQ_ESS_DISASSOC_IMMINENT;
1045 if (os_strstr(cmd, " pref=1"))
1046 req_mode |= WNM_BSS_TM_REQ_PREF_CAND_LIST_INCLUDED;
1047 if (os_strstr(cmd, " abridged=1"))
1048 req_mode |= WNM_BSS_TM_REQ_ABRIDGED;
1049 if (os_strstr(cmd, " disassoc_imminent=1"))
1050 req_mode |= WNM_BSS_TM_REQ_DISASSOC_IMMINENT;
1052 ret = wnm_send_bss_tm_req(hapd, sta, req_mode, disassoc_timer,
1053 valid_int, bss_term_dur, url,
1054 nei_pos > nei_rep ? nei_rep : NULL,
1060 #endif /* CONFIG_WNM */
1063 static int hostapd_ctrl_iface_get_key_mgmt(struct hostapd_data *hapd,
1064 char *buf, size_t buflen)
1072 WPA_ASSERT(hapd->conf->wpa_key_mgmt);
1074 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK) {
1075 ret = os_snprintf(pos, end - pos, "WPA-PSK ");
1076 if (os_snprintf_error(end - pos, ret))
1080 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X) {
1081 ret = os_snprintf(pos, end - pos, "WPA-EAP ");
1082 if (os_snprintf_error(end - pos, ret))
1086 #ifdef CONFIG_IEEE80211R
1087 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_PSK) {
1088 ret = os_snprintf(pos, end - pos, "FT-PSK ");
1089 if (os_snprintf_error(end - pos, ret))
1093 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_IEEE8021X) {
1094 ret = os_snprintf(pos, end - pos, "FT-EAP ");
1095 if (os_snprintf_error(end - pos, ret))
1100 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_FT_SAE) {
1101 ret = os_snprintf(pos, end - pos, "FT-SAE ");
1102 if (os_snprintf_error(end - pos, ret))
1106 #endif /* CONFIG_SAE */
1107 #endif /* CONFIG_IEEE80211R */
1108 #ifdef CONFIG_IEEE80211W
1109 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_PSK_SHA256) {
1110 ret = os_snprintf(pos, end - pos, "WPA-PSK-SHA256 ");
1111 if (os_snprintf_error(end - pos, ret))
1115 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SHA256) {
1116 ret = os_snprintf(pos, end - pos, "WPA-EAP-SHA256 ");
1117 if (os_snprintf_error(end - pos, ret))
1121 #endif /* CONFIG_IEEE80211W */
1123 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_SAE) {
1124 ret = os_snprintf(pos, end - pos, "SAE ");
1125 if (os_snprintf_error(end - pos, ret))
1129 #endif /* CONFIG_SAE */
1130 if (hapd->conf->wpa_key_mgmt & WPA_KEY_MGMT_IEEE8021X_SUITE_B) {
1131 ret = os_snprintf(pos, end - pos, "WPA-EAP-SUITE-B ");
1132 if (os_snprintf_error(end - pos, ret))
1136 if (hapd->conf->wpa_key_mgmt &
1137 WPA_KEY_MGMT_IEEE8021X_SUITE_B_192) {
1138 ret = os_snprintf(pos, end - pos,
1139 "WPA-EAP-SUITE-B-192 ");
1140 if (os_snprintf_error(end - pos, ret))
1145 if (pos > buf && *(pos - 1) == ' ') {
1154 static int hostapd_ctrl_iface_get_config(struct hostapd_data *hapd,
1155 char *buf, size_t buflen)
1163 ret = os_snprintf(pos, end - pos, "bssid=" MACSTR "\n"
1165 MAC2STR(hapd->own_addr),
1166 wpa_ssid_txt(hapd->conf->ssid.ssid,
1167 hapd->conf->ssid.ssid_len));
1168 if (os_snprintf_error(end - pos, ret))
1173 ret = os_snprintf(pos, end - pos, "wps_state=%s\n",
1174 hapd->conf->wps_state == 0 ? "disabled" :
1175 (hapd->conf->wps_state == 1 ? "not configured" :
1177 if (os_snprintf_error(end - pos, ret))
1181 if (hapd->conf->wps_state && hapd->conf->wpa &&
1182 hapd->conf->ssid.wpa_passphrase) {
1183 ret = os_snprintf(pos, end - pos, "passphrase=%s\n",
1184 hapd->conf->ssid.wpa_passphrase);
1185 if (os_snprintf_error(end - pos, ret))
1190 if (hapd->conf->wps_state && hapd->conf->wpa &&
1191 hapd->conf->ssid.wpa_psk &&
1192 hapd->conf->ssid.wpa_psk->group) {
1193 char hex[PMK_LEN * 2 + 1];
1194 wpa_snprintf_hex(hex, sizeof(hex),
1195 hapd->conf->ssid.wpa_psk->psk, PMK_LEN);
1196 ret = os_snprintf(pos, end - pos, "psk=%s\n", hex);
1197 if (os_snprintf_error(end - pos, ret))
1201 #endif /* CONFIG_WPS */
1203 if (hapd->conf->wpa) {
1204 ret = os_snprintf(pos, end - pos, "wpa=%d\n", hapd->conf->wpa);
1205 if (os_snprintf_error(end - pos, ret))
1210 if (hapd->conf->wpa && hapd->conf->wpa_key_mgmt) {
1211 ret = os_snprintf(pos, end - pos, "key_mgmt=");
1212 if (os_snprintf_error(end - pos, ret))
1216 pos += hostapd_ctrl_iface_get_key_mgmt(hapd, pos, end - pos);
1218 ret = os_snprintf(pos, end - pos, "\n");
1219 if (os_snprintf_error(end - pos, ret))
1224 if (hapd->conf->wpa) {
1225 ret = os_snprintf(pos, end - pos, "group_cipher=%s\n",
1226 wpa_cipher_txt(hapd->conf->wpa_group));
1227 if (os_snprintf_error(end - pos, ret))
1232 if ((hapd->conf->wpa & WPA_PROTO_RSN) && hapd->conf->rsn_pairwise) {
1233 ret = os_snprintf(pos, end - pos, "rsn_pairwise_cipher=");
1234 if (os_snprintf_error(end - pos, ret))
1238 ret = wpa_write_ciphers(pos, end, hapd->conf->rsn_pairwise,
1244 ret = os_snprintf(pos, end - pos, "\n");
1245 if (os_snprintf_error(end - pos, ret))
1250 if ((hapd->conf->wpa & WPA_PROTO_WPA) && hapd->conf->wpa_pairwise) {
1251 ret = os_snprintf(pos, end - pos, "wpa_pairwise_cipher=");
1252 if (os_snprintf_error(end - pos, ret))
1256 ret = wpa_write_ciphers(pos, end, hapd->conf->wpa_pairwise,
1262 ret = os_snprintf(pos, end - pos, "\n");
1263 if (os_snprintf_error(end - pos, ret))
1272 static int hostapd_ctrl_iface_set(struct hostapd_data *hapd, char *cmd)
1277 value = os_strchr(cmd, ' ');
1282 wpa_printf(MSG_DEBUG, "CTRL_IFACE SET '%s'='%s'", cmd, value);
1284 #ifdef CONFIG_WPS_TESTING
1285 } else if (os_strcasecmp(cmd, "wps_version_number") == 0) {
1287 val = strtol(value, NULL, 0);
1288 if (val < 0 || val > 0xff) {
1290 wpa_printf(MSG_DEBUG, "WPS: Invalid "
1291 "wps_version_number %ld", val);
1293 wps_version_number = val;
1294 wpa_printf(MSG_DEBUG, "WPS: Testing - force WPS "
1296 (wps_version_number & 0xf0) >> 4,
1297 wps_version_number & 0x0f);
1298 hostapd_wps_update_ie(hapd);
1300 } else if (os_strcasecmp(cmd, "wps_testing_dummy_cred") == 0) {
1301 wps_testing_dummy_cred = atoi(value);
1302 wpa_printf(MSG_DEBUG, "WPS: Testing - dummy_cred=%d",
1303 wps_testing_dummy_cred);
1304 } else if (os_strcasecmp(cmd, "wps_corrupt_pkhash") == 0) {
1305 wps_corrupt_pkhash = atoi(value);
1306 wpa_printf(MSG_DEBUG, "WPS: Testing - wps_corrupt_pkhash=%d",
1307 wps_corrupt_pkhash);
1308 #endif /* CONFIG_WPS_TESTING */
1309 #ifdef CONFIG_INTERWORKING
1310 } else if (os_strcasecmp(cmd, "gas_frag_limit") == 0) {
1311 int val = atoi(value);
1315 hapd->gas_frag_limit = val;
1316 #endif /* CONFIG_INTERWORKING */
1317 #ifdef CONFIG_TESTING_OPTIONS
1318 } else if (os_strcasecmp(cmd, "ext_mgmt_frame_handling") == 0) {
1319 hapd->ext_mgmt_frame_handling = atoi(value);
1320 } else if (os_strcasecmp(cmd, "ext_eapol_frame_io") == 0) {
1321 hapd->ext_eapol_frame_io = atoi(value);
1322 #endif /* CONFIG_TESTING_OPTIONS */
1324 struct sta_info *sta;
1327 ret = hostapd_set_iface(hapd->iconf, hapd->conf, cmd, value);
1331 if (os_strcasecmp(cmd, "deny_mac_file") == 0) {
1332 for (sta = hapd->sta_list; sta; sta = sta->next) {
1333 if (hostapd_maclist_found(
1334 hapd->conf->deny_mac,
1335 hapd->conf->num_deny_mac, sta->addr,
1337 (!vlan_id || vlan_id == sta->vlan_id))
1339 hapd, sta, sta->addr,
1340 WLAN_REASON_UNSPECIFIED);
1342 } else if (hapd->conf->macaddr_acl == DENY_UNLESS_ACCEPTED &&
1343 os_strcasecmp(cmd, "accept_mac_file") == 0) {
1344 for (sta = hapd->sta_list; sta; sta = sta->next) {
1345 if (!hostapd_maclist_found(
1346 hapd->conf->accept_mac,
1347 hapd->conf->num_accept_mac,
1348 sta->addr, &vlan_id) ||
1349 (vlan_id && vlan_id != sta->vlan_id))
1351 hapd, sta, sta->addr,
1352 WLAN_REASON_UNSPECIFIED);
1361 static int hostapd_ctrl_iface_get(struct hostapd_data *hapd, char *cmd,
1362 char *buf, size_t buflen)
1366 wpa_printf(MSG_DEBUG, "CTRL_IFACE GET '%s'", cmd);
1368 if (os_strcmp(cmd, "version") == 0) {
1369 res = os_snprintf(buf, buflen, "%s", VERSION_STR);
1370 if (os_snprintf_error(buflen, res))
1373 } else if (os_strcmp(cmd, "tls_library") == 0) {
1374 res = tls_get_library_version(buf, buflen);
1375 if (os_snprintf_error(buflen, res))
1384 static int hostapd_ctrl_iface_enable(struct hostapd_iface *iface)
1386 if (hostapd_enable_iface(iface) < 0) {
1387 wpa_printf(MSG_ERROR, "Enabling of interface failed");
1394 static int hostapd_ctrl_iface_reload(struct hostapd_iface *iface)
1396 if (hostapd_reload_iface(iface) < 0) {
1397 wpa_printf(MSG_ERROR, "Reloading of interface failed");
1404 static int hostapd_ctrl_iface_disable(struct hostapd_iface *iface)
1406 if (hostapd_disable_iface(iface) < 0) {
1407 wpa_printf(MSG_ERROR, "Disabling of interface failed");
1414 #ifdef CONFIG_TESTING_OPTIONS
1416 static int hostapd_ctrl_iface_radar(struct hostapd_data *hapd, char *cmd)
1418 union wpa_event_data data;
1420 enum wpa_event_type event;
1422 wpa_printf(MSG_DEBUG, "RADAR TEST: %s", cmd);
1424 os_memset(&data, 0, sizeof(data));
1426 param = os_strchr(cmd, ' ');
1431 if (os_strcmp(cmd, "DETECTED") == 0)
1432 event = EVENT_DFS_RADAR_DETECTED;
1433 else if (os_strcmp(cmd, "CAC-FINISHED") == 0)
1434 event = EVENT_DFS_CAC_FINISHED;
1435 else if (os_strcmp(cmd, "CAC-ABORTED") == 0)
1436 event = EVENT_DFS_CAC_ABORTED;
1437 else if (os_strcmp(cmd, "NOP-FINISHED") == 0)
1438 event = EVENT_DFS_NOP_FINISHED;
1440 wpa_printf(MSG_DEBUG, "Unsupported RADAR test command: %s",
1445 pos = os_strstr(param, "freq=");
1447 data.dfs_event.freq = atoi(pos + 5);
1449 pos = os_strstr(param, "ht_enabled=1");
1451 data.dfs_event.ht_enabled = 1;
1453 pos = os_strstr(param, "chan_offset=");
1455 data.dfs_event.chan_offset = atoi(pos + 12);
1457 pos = os_strstr(param, "chan_width=");
1459 data.dfs_event.chan_width = atoi(pos + 11);
1461 pos = os_strstr(param, "cf1=");
1463 data.dfs_event.cf1 = atoi(pos + 4);
1465 pos = os_strstr(param, "cf2=");
1467 data.dfs_event.cf2 = atoi(pos + 4);
1469 wpa_supplicant_event(hapd, event, &data);
1475 static int hostapd_ctrl_iface_mgmt_tx(struct hostapd_data *hapd, char *cmd)
1481 wpa_printf(MSG_DEBUG, "External MGMT TX: %s", cmd);
1483 len = os_strlen(cmd);
1488 buf = os_malloc(len);
1492 if (hexstr2bin(cmd, buf, len) < 0) {
1497 res = hostapd_drv_send_mlme(hapd, buf, len, 0);
1503 static int hostapd_ctrl_iface_eapol_rx(struct hostapd_data *hapd, char *cmd)
1506 u8 src[ETH_ALEN], *buf;
1510 wpa_printf(MSG_DEBUG, "External EAPOL RX: %s", cmd);
1513 used = hwaddr_aton2(pos, src);
1520 len = os_strlen(pos);
1525 buf = os_malloc(len);
1529 if (hexstr2bin(pos, buf, len) < 0) {
1534 ieee802_1x_receive(hapd, src, buf, len);
1541 static u16 ipv4_hdr_checksum(const void *buf, size_t len)
1545 const u16 *pos = buf;
1547 for (i = 0; i < len / 2; i++)
1551 sum = (sum & 0xffff) + (sum >> 16);
1553 return sum ^ 0xffff;
1557 #define HWSIM_PACKETLEN 1500
1558 #define HWSIM_IP_LEN (HWSIM_PACKETLEN - sizeof(struct ether_header))
1560 void hostapd_data_test_rx(void *ctx, const u8 *src_addr, const u8 *buf,
1563 struct hostapd_data *hapd = ctx;
1564 const struct ether_header *eth;
1569 if (len != HWSIM_PACKETLEN)
1572 eth = (const struct ether_header *) buf;
1573 os_memcpy(&ip, eth + 1, sizeof(ip));
1574 pos = &buf[sizeof(*eth) + sizeof(ip)];
1576 if (ip.ihl != 5 || ip.version != 4 ||
1577 ntohs(ip.tot_len) != HWSIM_IP_LEN)
1580 for (i = 0; i < HWSIM_IP_LEN - sizeof(ip); i++) {
1586 wpa_msg(hapd->msg_ctx, MSG_INFO, "DATA-TEST-RX " MACSTR " " MACSTR,
1587 MAC2STR(eth->ether_dhost), MAC2STR(eth->ether_shost));
1591 static int hostapd_ctrl_iface_data_test_config(struct hostapd_data *hapd,
1594 int enabled = atoi(cmd);
1599 if (hapd->l2_test) {
1600 l2_packet_deinit(hapd->l2_test);
1601 hapd->l2_test = NULL;
1602 wpa_dbg(hapd->msg_ctx, MSG_DEBUG,
1603 "test data: Disabled");
1611 pos = os_strstr(cmd, " ifname=");
1615 ifname = hapd->conf->iface;
1617 hapd->l2_test = l2_packet_init(ifname, hapd->own_addr,
1618 ETHERTYPE_IP, hostapd_data_test_rx,
1620 if (hapd->l2_test == NULL)
1623 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: Enabled");
1629 static int hostapd_ctrl_iface_data_test_tx(struct hostapd_data *hapd, char *cmd)
1631 u8 dst[ETH_ALEN], src[ETH_ALEN];
1636 u8 buf[2 + HWSIM_PACKETLEN];
1637 struct ether_header *eth;
1642 if (hapd->l2_test == NULL)
1645 /* format: <dst> <src> <tos> */
1648 used = hwaddr_aton2(pos, dst);
1654 used = hwaddr_aton2(pos, src);
1659 val = strtol(pos, NULL, 0);
1660 if (val < 0 || val > 0xff)
1664 eth = (struct ether_header *) &buf[2];
1665 os_memcpy(eth->ether_dhost, dst, ETH_ALEN);
1666 os_memcpy(eth->ether_shost, src, ETH_ALEN);
1667 eth->ether_type = htons(ETHERTYPE_IP);
1668 ip = (struct iphdr *) (eth + 1);
1669 os_memset(ip, 0, sizeof(*ip));
1674 ip->tot_len = htons(HWSIM_IP_LEN);
1676 ip->saddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 1);
1677 ip->daddr = htonl(192U << 24 | 168 << 16 | 1 << 8 | 2);
1678 ip->check = ipv4_hdr_checksum(ip, sizeof(*ip));
1679 dpos = (u8 *) (ip + 1);
1680 for (i = 0; i < HWSIM_IP_LEN - sizeof(*ip); i++)
1683 if (l2_packet_send(hapd->l2_test, dst, ETHERTYPE_IP, &buf[2],
1684 HWSIM_PACKETLEN) < 0)
1687 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: TX dst=" MACSTR
1688 " src=" MACSTR " tos=0x%x", MAC2STR(dst), MAC2STR(src), tos);
1694 static int hostapd_ctrl_iface_data_test_frame(struct hostapd_data *hapd,
1698 struct ether_header *eth;
1699 struct l2_packet_data *l2 = NULL;
1703 const char *ifname = hapd->conf->iface;
1705 if (os_strncmp(cmd, "ifname=", 7) == 0) {
1708 cmd = os_strchr(cmd, ' ');
1714 len = os_strlen(cmd);
1715 if (len & 1 || len < ETH_HLEN * 2)
1719 buf = os_malloc(len);
1723 if (hexstr2bin(cmd, buf, len) < 0)
1726 eth = (struct ether_header *) buf;
1727 ethertype = ntohs(eth->ether_type);
1729 l2 = l2_packet_init(ifname, hapd->own_addr, ethertype,
1730 hostapd_data_test_rx, hapd, 1);
1734 res = l2_packet_send(l2, eth->ether_dhost, ethertype, buf, len);
1735 wpa_dbg(hapd->msg_ctx, MSG_DEBUG, "test data: TX frame res=%d", res);
1738 l2_packet_deinit(l2);
1741 return res < 0 ? -1 : 0;
1745 static int hostapd_ctrl_test_alloc_fail(struct hostapd_data *hapd, char *cmd)
1747 #ifdef WPA_TRACE_BFD
1748 extern char wpa_trace_fail_func[256];
1749 extern unsigned int wpa_trace_fail_after;
1752 wpa_trace_fail_after = atoi(cmd);
1753 pos = os_strchr(cmd, ':');
1756 os_strlcpy(wpa_trace_fail_func, pos,
1757 sizeof(wpa_trace_fail_func));
1759 wpa_trace_fail_after = 0;
1763 #else /* WPA_TRACE_BFD */
1765 #endif /* WPA_TRACE_BFD */
1769 static int hostapd_ctrl_get_alloc_fail(struct hostapd_data *hapd,
1770 char *buf, size_t buflen)
1772 #ifdef WPA_TRACE_BFD
1773 extern char wpa_trace_fail_func[256];
1774 extern unsigned int wpa_trace_fail_after;
1776 return os_snprintf(buf, buflen, "%u:%s", wpa_trace_fail_after,
1777 wpa_trace_fail_func);
1778 #else /* WPA_TRACE_BFD */
1780 #endif /* WPA_TRACE_BFD */
1784 static int hostapd_ctrl_test_fail(struct hostapd_data *hapd, char *cmd)
1786 #ifdef WPA_TRACE_BFD
1787 extern char wpa_trace_test_fail_func[256];
1788 extern unsigned int wpa_trace_test_fail_after;
1791 wpa_trace_test_fail_after = atoi(cmd);
1792 pos = os_strchr(cmd, ':');
1795 os_strlcpy(wpa_trace_test_fail_func, pos,
1796 sizeof(wpa_trace_test_fail_func));
1798 wpa_trace_test_fail_after = 0;
1802 #else /* WPA_TRACE_BFD */
1804 #endif /* WPA_TRACE_BFD */
1808 static int hostapd_ctrl_get_fail(struct hostapd_data *hapd,
1809 char *buf, size_t buflen)
1811 #ifdef WPA_TRACE_BFD
1812 extern char wpa_trace_test_fail_func[256];
1813 extern unsigned int wpa_trace_test_fail_after;
1815 return os_snprintf(buf, buflen, "%u:%s", wpa_trace_test_fail_after,
1816 wpa_trace_test_fail_func);
1817 #else /* WPA_TRACE_BFD */
1819 #endif /* WPA_TRACE_BFD */
1822 #endif /* CONFIG_TESTING_OPTIONS */
1825 static int hostapd_ctrl_iface_chan_switch(struct hostapd_iface *iface,
1829 struct csa_settings settings;
1833 ret = hostapd_parse_csa_settings(pos, &settings);
1837 for (i = 0; i < iface->num_bss; i++) {
1838 ret = hostapd_switch_channel(iface->bss[i], &settings);
1840 /* FIX: What do we do if CSA fails in the middle of
1841 * submitting multi-BSS CSA requests? */
1847 #else /* NEED_AP_MLME */
1849 #endif /* NEED_AP_MLME */
1853 static int hostapd_ctrl_iface_mib(struct hostapd_data *hapd, char *reply,
1854 int reply_size, const char *param)
1856 #ifdef RADIUS_SERVER
1857 if (os_strcmp(param, "radius_server") == 0) {
1858 return radius_server_get_mib(hapd->radius_srv, reply,
1861 #endif /* RADIUS_SERVER */
1866 static int hostapd_ctrl_iface_vendor(struct hostapd_data *hapd, char *cmd,
1867 char *buf, size_t buflen)
1872 unsigned int vendor_id, subcmd;
1873 struct wpabuf *reply;
1874 size_t data_len = 0;
1876 /* cmd: <vendor id> <subcommand id> [<hex formatted data>] */
1877 vendor_id = strtoul(cmd, &pos, 16);
1881 subcmd = strtoul(pos, &pos, 10);
1884 if (!isblank(*pos++))
1886 data_len = os_strlen(pos);
1891 data = os_malloc(data_len);
1895 if (hexstr2bin(pos, data, data_len)) {
1896 wpa_printf(MSG_DEBUG,
1897 "Vendor command: wrong parameter format");
1903 reply = wpabuf_alloc((buflen - 1) / 2);
1909 ret = hostapd_drv_vendor_cmd(hapd, vendor_id, subcmd, data, data_len,
1913 ret = wpa_snprintf_hex(buf, buflen, wpabuf_head_u8(reply),
1923 static int hostapd_ctrl_iface_eapol_reauth(struct hostapd_data *hapd,
1927 struct sta_info *sta;
1929 if (hwaddr_aton(cmd, addr))
1932 sta = ap_get_sta(hapd, addr);
1933 if (!sta || !sta->eapol_sm)
1936 eapol_auth_reauthenticate(sta->eapol_sm);
1941 static int hostapd_ctrl_iface_eapol_set(struct hostapd_data *hapd, char *cmd)
1944 struct sta_info *sta;
1945 char *pos = cmd, *param;
1947 if (hwaddr_aton(pos, addr) || pos[17] != ' ')
1951 pos = os_strchr(pos, ' ');
1956 sta = ap_get_sta(hapd, addr);
1957 if (!sta || !sta->eapol_sm)
1960 return eapol_auth_set_conf(sta->eapol_sm, param, pos);
1964 static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
1965 char *buf, char *reply,
1967 struct sockaddr_un *from,
1972 os_memcpy(reply, "OK\n", 3);
1975 if (os_strcmp(buf, "PING") == 0) {
1976 os_memcpy(reply, "PONG\n", 5);
1978 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
1979 if (wpa_debug_reopen_file() < 0)
1981 } else if (os_strcmp(buf, "STATUS") == 0) {
1982 reply_len = hostapd_ctrl_iface_status(hapd, reply,
1984 } else if (os_strcmp(buf, "STATUS-DRIVER") == 0) {
1985 reply_len = hostapd_drv_status(hapd, reply, reply_size);
1986 } else if (os_strcmp(buf, "MIB") == 0) {
1987 reply_len = ieee802_11_get_mib(hapd, reply, reply_size);
1988 if (reply_len >= 0) {
1989 res = wpa_get_mib(hapd->wpa_auth, reply + reply_len,
1990 reply_size - reply_len);
1996 if (reply_len >= 0) {
1997 res = ieee802_1x_get_mib(hapd, reply + reply_len,
1998 reply_size - reply_len);
2004 #ifndef CONFIG_NO_RADIUS
2005 if (reply_len >= 0) {
2006 res = radius_client_get_mib(hapd->radius,
2008 reply_size - reply_len);
2014 #endif /* CONFIG_NO_RADIUS */
2015 } else if (os_strncmp(buf, "MIB ", 4) == 0) {
2016 reply_len = hostapd_ctrl_iface_mib(hapd, reply, reply_size,
2018 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
2019 reply_len = hostapd_ctrl_iface_sta_first(hapd, reply,
2021 } else if (os_strncmp(buf, "STA ", 4) == 0) {
2022 reply_len = hostapd_ctrl_iface_sta(hapd, buf + 4, reply,
2024 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
2025 reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply,
2027 } else if (os_strcmp(buf, "ATTACH") == 0) {
2028 if (hostapd_ctrl_iface_attach(hapd, from, fromlen))
2030 } else if (os_strcmp(buf, "DETACH") == 0) {
2031 if (hostapd_ctrl_iface_detach(hapd, from, fromlen))
2033 } else if (os_strncmp(buf, "LEVEL ", 6) == 0) {
2034 if (hostapd_ctrl_iface_level(hapd, from, fromlen,
2037 } else if (os_strncmp(buf, "NEW_STA ", 8) == 0) {
2038 if (hostapd_ctrl_iface_new_sta(hapd, buf + 8))
2040 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
2041 if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15))
2043 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
2044 if (hostapd_ctrl_iface_disassociate(hapd, buf + 13))
2046 } else if (os_strcmp(buf, "STOP_AP") == 0) {
2047 if (hostapd_ctrl_iface_stop_ap(hapd))
2049 #ifdef CONFIG_IEEE80211W
2051 } else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) {
2052 if (hostapd_ctrl_iface_sa_query(hapd, buf + 9))
2054 #endif /* NEED_AP_MLME */
2055 #endif /* CONFIG_IEEE80211W */
2057 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
2058 if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8))
2060 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
2061 reply_len = hostapd_ctrl_iface_wps_check_pin(
2062 hapd, buf + 14, reply, reply_size);
2063 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
2064 if (hostapd_wps_button_pushed(hapd, NULL))
2066 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
2067 if (hostapd_wps_cancel(hapd))
2069 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
2070 reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11,
2072 } else if (os_strncmp(buf, "WPS_CONFIG ", 11) == 0) {
2073 if (hostapd_ctrl_iface_wps_config(hapd, buf + 11) < 0)
2075 } else if (os_strncmp(buf, "WPS_GET_STATUS", 13) == 0) {
2076 reply_len = hostapd_ctrl_iface_wps_get_status(hapd, reply,
2078 #ifdef CONFIG_WPS_NFC
2079 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
2080 if (hostapd_ctrl_iface_wps_nfc_tag_read(hapd, buf + 17))
2082 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
2083 reply_len = hostapd_ctrl_iface_wps_nfc_config_token(
2084 hapd, buf + 21, reply, reply_size);
2085 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
2086 reply_len = hostapd_ctrl_iface_wps_nfc_token(
2087 hapd, buf + 14, reply, reply_size);
2088 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
2089 reply_len = hostapd_ctrl_iface_nfc_get_handover_sel(
2090 hapd, buf + 21, reply, reply_size);
2091 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
2092 if (hostapd_ctrl_iface_nfc_report_handover(hapd, buf + 20))
2094 #endif /* CONFIG_WPS_NFC */
2095 #endif /* CONFIG_WPS */
2096 #ifdef CONFIG_INTERWORKING
2097 } else if (os_strncmp(buf, "SET_QOS_MAP_SET ", 16) == 0) {
2098 if (hostapd_ctrl_iface_set_qos_map_set(hapd, buf + 16))
2100 } else if (os_strncmp(buf, "SEND_QOS_MAP_CONF ", 18) == 0) {
2101 if (hostapd_ctrl_iface_send_qos_map_conf(hapd, buf + 18))
2103 #endif /* CONFIG_INTERWORKING */
2105 } else if (os_strncmp(buf, "HS20_WNM_NOTIF ", 15) == 0) {
2106 if (hostapd_ctrl_iface_hs20_wnm_notif(hapd, buf + 15))
2108 } else if (os_strncmp(buf, "HS20_DEAUTH_REQ ", 16) == 0) {
2109 if (hostapd_ctrl_iface_hs20_deauth_req(hapd, buf + 16))
2111 #endif /* CONFIG_HS20 */
2113 } else if (os_strncmp(buf, "DISASSOC_IMMINENT ", 18) == 0) {
2114 if (hostapd_ctrl_iface_disassoc_imminent(hapd, buf + 18))
2116 } else if (os_strncmp(buf, "ESS_DISASSOC ", 13) == 0) {
2117 if (hostapd_ctrl_iface_ess_disassoc(hapd, buf + 13))
2119 } else if (os_strncmp(buf, "BSS_TM_REQ ", 11) == 0) {
2120 if (hostapd_ctrl_iface_bss_tm_req(hapd, buf + 11))
2122 #endif /* CONFIG_WNM */
2123 } else if (os_strcmp(buf, "GET_CONFIG") == 0) {
2124 reply_len = hostapd_ctrl_iface_get_config(hapd, reply,
2126 } else if (os_strncmp(buf, "SET ", 4) == 0) {
2127 if (hostapd_ctrl_iface_set(hapd, buf + 4))
2129 } else if (os_strncmp(buf, "GET ", 4) == 0) {
2130 reply_len = hostapd_ctrl_iface_get(hapd, buf + 4, reply,
2132 } else if (os_strncmp(buf, "ENABLE", 6) == 0) {
2133 if (hostapd_ctrl_iface_enable(hapd->iface))
2135 } else if (os_strncmp(buf, "RELOAD", 6) == 0) {
2136 if (hostapd_ctrl_iface_reload(hapd->iface))
2138 } else if (os_strncmp(buf, "DISABLE", 7) == 0) {
2139 if (hostapd_ctrl_iface_disable(hapd->iface))
2141 } else if (os_strcmp(buf, "UPDATE_BEACON") == 0) {
2142 if (ieee802_11_set_beacon(hapd))
2144 #ifdef CONFIG_TESTING_OPTIONS
2145 } else if (os_strncmp(buf, "RADAR ", 6) == 0) {
2146 if (hostapd_ctrl_iface_radar(hapd, buf + 6))
2148 } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
2149 if (hostapd_ctrl_iface_mgmt_tx(hapd, buf + 8))
2151 } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
2152 if (hostapd_ctrl_iface_eapol_rx(hapd, buf + 9) < 0)
2154 } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
2155 if (hostapd_ctrl_iface_data_test_config(hapd, buf + 17) < 0)
2157 } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
2158 if (hostapd_ctrl_iface_data_test_tx(hapd, buf + 13) < 0)
2160 } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
2161 if (hostapd_ctrl_iface_data_test_frame(hapd, buf + 16) < 0)
2163 } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
2164 if (hostapd_ctrl_test_alloc_fail(hapd, buf + 16) < 0)
2166 } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
2167 reply_len = hostapd_ctrl_get_alloc_fail(hapd, reply,
2169 } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
2170 if (hostapd_ctrl_test_fail(hapd, buf + 10) < 0)
2172 } else if (os_strcmp(buf, "GET_FAIL") == 0) {
2173 reply_len = hostapd_ctrl_get_fail(hapd, reply, reply_size);
2174 #endif /* CONFIG_TESTING_OPTIONS */
2175 } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
2176 if (hostapd_ctrl_iface_chan_switch(hapd->iface, buf + 12))
2178 } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
2179 reply_len = hostapd_ctrl_iface_vendor(hapd, buf + 7, reply,
2181 } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
2182 ieee802_1x_erp_flush(hapd);
2183 #ifdef RADIUS_SERVER
2184 radius_server_erp_flush(hapd->radius_srv);
2185 #endif /* RADIUS_SERVER */
2186 } else if (os_strncmp(buf, "EAPOL_REAUTH ", 13) == 0) {
2187 if (hostapd_ctrl_iface_eapol_reauth(hapd, buf + 13))
2189 } else if (os_strncmp(buf, "EAPOL_SET ", 10) == 0) {
2190 if (hostapd_ctrl_iface_eapol_set(hapd, buf + 10))
2193 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
2197 if (reply_len < 0) {
2198 os_memcpy(reply, "FAIL\n", 5);
2206 static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
2209 struct hostapd_data *hapd = eloop_ctx;
2212 struct sockaddr_un from;
2213 socklen_t fromlen = sizeof(from);
2215 const int reply_size = 4096;
2217 int level = MSG_DEBUG;
2219 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
2220 (struct sockaddr *) &from, &fromlen);
2222 wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s",
2227 if (os_strcmp(buf, "PING") == 0)
2228 level = MSG_EXCESSIVE;
2229 wpa_hexdump_ascii(level, "RX ctrl_iface", (u8 *) buf, res);
2231 reply = os_malloc(reply_size);
2232 if (reply == NULL) {
2233 if (sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
2235 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
2241 reply_len = hostapd_ctrl_iface_receive_process(hapd, buf,
2245 if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
2247 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
2254 static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
2259 if (hapd->conf->ctrl_interface == NULL)
2262 len = os_strlen(hapd->conf->ctrl_interface) +
2263 os_strlen(hapd->conf->iface) + 2;
2264 buf = os_malloc(len);
2268 os_snprintf(buf, len, "%s/%s",
2269 hapd->conf->ctrl_interface, hapd->conf->iface);
2270 buf[len - 1] = '\0';
2275 static void hostapd_ctrl_iface_msg_cb(void *ctx, int level,
2276 enum wpa_msg_type type,
2277 const char *txt, size_t len)
2279 struct hostapd_data *hapd = ctx;
2282 hostapd_ctrl_iface_send(hapd, level, type, txt, len);
2286 int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
2288 struct sockaddr_un addr;
2292 if (hapd->ctrl_sock > -1) {
2293 wpa_printf(MSG_DEBUG, "ctrl_iface already exists!");
2297 if (hapd->conf->ctrl_interface == NULL)
2300 if (mkdir(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
2301 if (errno == EEXIST) {
2302 wpa_printf(MSG_DEBUG, "Using existing control "
2303 "interface directory.");
2305 wpa_printf(MSG_ERROR, "mkdir[ctrl_interface]: %s",
2311 if (hapd->conf->ctrl_interface_gid_set &&
2312 chown(hapd->conf->ctrl_interface, -1,
2313 hapd->conf->ctrl_interface_gid) < 0) {
2314 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
2319 if (!hapd->conf->ctrl_interface_gid_set &&
2320 hapd->iface->interfaces->ctrl_iface_group &&
2321 chown(hapd->conf->ctrl_interface, -1,
2322 hapd->iface->interfaces->ctrl_iface_group) < 0) {
2323 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
2330 * Android is using umask 0077 which would leave the control interface
2331 * directory without group access. This breaks things since Wi-Fi
2332 * framework assumes that this directory can be accessed by other
2333 * applications in the wifi group. Fix this by adding group access even
2334 * if umask value would prevent this.
2336 if (chmod(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
2337 wpa_printf(MSG_ERROR, "CTRL: Could not chmod directory: %s",
2339 /* Try to continue anyway */
2341 #endif /* ANDROID */
2343 if (os_strlen(hapd->conf->ctrl_interface) + 1 +
2344 os_strlen(hapd->conf->iface) >= sizeof(addr.sun_path))
2347 s = socket(PF_UNIX, SOCK_DGRAM, 0);
2349 wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno));
2353 os_memset(&addr, 0, sizeof(addr));
2355 addr.sun_len = sizeof(addr);
2356 #endif /* __FreeBSD__ */
2357 addr.sun_family = AF_UNIX;
2358 fname = hostapd_ctrl_iface_path(hapd);
2361 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
2362 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2363 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
2365 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2366 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
2367 " allow connections - assuming it was left"
2368 "over from forced program termination");
2369 if (unlink(fname) < 0) {
2370 wpa_printf(MSG_ERROR,
2371 "Could not unlink existing ctrl_iface socket '%s': %s",
2372 fname, strerror(errno));
2375 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
2377 wpa_printf(MSG_ERROR,
2378 "hostapd-ctrl-iface: bind(PF_UNIX): %s",
2382 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
2383 "ctrl_iface socket '%s'", fname);
2385 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
2386 "be in use - cannot override it");
2387 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
2388 "not used anymore", fname);
2395 if (hapd->conf->ctrl_interface_gid_set &&
2396 chown(fname, -1, hapd->conf->ctrl_interface_gid) < 0) {
2397 wpa_printf(MSG_ERROR, "chown[ctrl_interface/ifname]: %s",
2402 if (!hapd->conf->ctrl_interface_gid_set &&
2403 hapd->iface->interfaces->ctrl_iface_group &&
2404 chown(fname, -1, hapd->iface->interfaces->ctrl_iface_group) < 0) {
2405 wpa_printf(MSG_ERROR, "chown[ctrl_interface/ifname]: %s",
2410 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
2411 wpa_printf(MSG_ERROR, "chmod[ctrl_interface/ifname]: %s",
2417 hapd->ctrl_sock = s;
2418 if (eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd,
2420 hostapd_ctrl_iface_deinit(hapd);
2423 hapd->msg_ctx = hapd;
2424 wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb);
2439 void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
2441 struct wpa_ctrl_dst *dst, *prev;
2443 if (hapd->ctrl_sock > -1) {
2445 eloop_unregister_read_sock(hapd->ctrl_sock);
2446 close(hapd->ctrl_sock);
2447 hapd->ctrl_sock = -1;
2448 fname = hostapd_ctrl_iface_path(hapd);
2453 if (hapd->conf->ctrl_interface &&
2454 rmdir(hapd->conf->ctrl_interface) < 0) {
2455 if (errno == ENOTEMPTY) {
2456 wpa_printf(MSG_DEBUG, "Control interface "
2457 "directory not empty - leaving it "
2460 wpa_printf(MSG_ERROR,
2461 "rmdir[ctrl_interface=%s]: %s",
2462 hapd->conf->ctrl_interface,
2468 dst = hapd->ctrl_dst;
2469 hapd->ctrl_dst = NULL;
2476 #ifdef CONFIG_TESTING_OPTIONS
2477 l2_packet_deinit(hapd->l2_test);
2478 hapd->l2_test = NULL;
2479 #endif /* CONFIG_TESTING_OPTIONS */
2483 static int hostapd_ctrl_iface_add(struct hapd_interfaces *interfaces,
2486 if (hostapd_add_iface(interfaces, buf) < 0) {
2487 wpa_printf(MSG_ERROR, "Adding interface %s failed", buf);
2494 static int hostapd_ctrl_iface_remove(struct hapd_interfaces *interfaces,
2497 if (hostapd_remove_iface(interfaces, buf) < 0) {
2498 wpa_printf(MSG_ERROR, "Removing interface %s failed", buf);
2505 static int hostapd_global_ctrl_iface_attach(struct hapd_interfaces *interfaces,
2506 struct sockaddr_un *from,
2509 struct wpa_ctrl_dst *dst;
2511 dst = os_zalloc(sizeof(*dst));
2514 os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
2515 dst->addrlen = fromlen;
2516 dst->debug_level = MSG_INFO;
2517 dst->next = interfaces->global_ctrl_dst;
2518 interfaces->global_ctrl_dst = dst;
2519 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached (global)",
2521 fromlen - offsetof(struct sockaddr_un, sun_path));
2526 static int hostapd_global_ctrl_iface_detach(struct hapd_interfaces *interfaces,
2527 struct sockaddr_un *from,
2530 struct wpa_ctrl_dst *dst, *prev = NULL;
2532 dst = interfaces->global_ctrl_dst;
2534 if (fromlen == dst->addrlen &&
2535 os_memcmp(from->sun_path, dst->addr.sun_path,
2536 fromlen - offsetof(struct sockaddr_un, sun_path))
2538 wpa_hexdump(MSG_DEBUG,
2539 "CTRL_IFACE monitor detached (global)",
2542 offsetof(struct sockaddr_un, sun_path));
2544 interfaces->global_ctrl_dst = dst->next;
2546 prev->next = dst->next;
2557 static void hostapd_ctrl_iface_flush(struct hapd_interfaces *interfaces)
2559 #ifdef CONFIG_WPS_TESTING
2560 wps_version_number = 0x20;
2561 wps_testing_dummy_cred = 0;
2562 wps_corrupt_pkhash = 0;
2563 #endif /* CONFIG_WPS_TESTING */
2570 hostapd_global_ctrl_iface_fst_attach(struct hapd_interfaces *interfaces,
2573 char ifname[IFNAMSIZ + 1];
2574 struct fst_iface_cfg cfg;
2575 struct hostapd_data *hapd;
2576 struct fst_wpa_obj iface_obj;
2578 if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
2579 hapd = hostapd_get_iface(interfaces, ifname);
2581 if (hapd->iface->fst) {
2582 wpa_printf(MSG_INFO, "FST: Already attached");
2585 fst_hostapd_fill_iface_obj(hapd, &iface_obj);
2586 hapd->iface->fst = fst_attach(ifname, hapd->own_addr,
2588 if (hapd->iface->fst)
2598 hostapd_global_ctrl_iface_fst_detach(struct hapd_interfaces *interfaces,
2601 char ifname[IFNAMSIZ + 1];
2602 struct hostapd_data * hapd;
2604 if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
2605 hapd = hostapd_get_iface(interfaces, ifname);
2607 if (!fst_iface_detach(ifname)) {
2608 hapd->iface->fst = NULL;
2609 hapd->iface->fst_ies = NULL;
2618 #endif /* CONFIG_FST */
2621 static struct hostapd_data *
2622 hostapd_interfaces_get_hapd(struct hapd_interfaces *interfaces,
2627 for (i = 0; i < interfaces->count; i++) {
2628 struct hostapd_iface *iface = interfaces->iface[i];
2630 for (j = 0; j < iface->num_bss; j++) {
2631 struct hostapd_data *hapd;
2633 hapd = iface->bss[j];
2634 if (os_strcmp(ifname, hapd->conf->iface) == 0)
2643 static int hostapd_ctrl_iface_dup_param(struct hostapd_data *src_hapd,
2644 struct hostapd_data *dst_hapd,
2650 value = os_zalloc(HOSTAPD_CLI_DUP_VALUE_MAX_LEN);
2652 wpa_printf(MSG_ERROR,
2653 "DUP: cannot allocate buffer to stringify %s",
2658 if (os_strcmp(param, "wpa") == 0) {
2659 os_snprintf(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN, "%d",
2660 src_hapd->conf->wpa);
2661 } else if (os_strcmp(param, "wpa_key_mgmt") == 0 &&
2662 src_hapd->conf->wpa_key_mgmt) {
2663 res = hostapd_ctrl_iface_get_key_mgmt(
2664 src_hapd, value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN);
2665 if (os_snprintf_error(HOSTAPD_CLI_DUP_VALUE_MAX_LEN, res))
2666 goto error_stringify;
2667 } else if (os_strcmp(param, "wpa_pairwise") == 0 &&
2668 src_hapd->conf->wpa_pairwise) {
2669 res = wpa_write_ciphers(value,
2670 value + HOSTAPD_CLI_DUP_VALUE_MAX_LEN,
2671 src_hapd->conf->wpa_pairwise, " ");
2673 goto error_stringify;
2674 } else if (os_strcmp(param, "rsn_pairwise") == 0 &&
2675 src_hapd->conf->rsn_pairwise) {
2676 res = wpa_write_ciphers(value,
2677 value + HOSTAPD_CLI_DUP_VALUE_MAX_LEN,
2678 src_hapd->conf->rsn_pairwise, " ");
2680 goto error_stringify;
2681 } else if (os_strcmp(param, "wpa_passphrase") == 0 &&
2682 src_hapd->conf->ssid.wpa_passphrase) {
2683 os_snprintf(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN, "%s",
2684 src_hapd->conf->ssid.wpa_passphrase);
2685 } else if (os_strcmp(param, "wpa_psk") == 0 &&
2686 src_hapd->conf->ssid.wpa_psk_set) {
2687 wpa_snprintf_hex(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN,
2688 src_hapd->conf->ssid.wpa_psk->psk, PMK_LEN);
2690 wpa_printf(MSG_WARNING, "DUP: %s cannot be duplicated", param);
2694 res = hostapd_set_iface(dst_hapd->iconf, dst_hapd->conf, param, value);
2699 wpa_printf(MSG_ERROR, "DUP: cannot stringify %s", param);
2707 hostapd_global_ctrl_iface_dup_network(struct hapd_interfaces *interfaces,
2710 char *p_start = cmd, *p_end;
2711 struct hostapd_data *src_hapd, *dst_hapd;
2713 /* cmd: "<src ifname> <dst ifname> <variable name> */
2715 p_end = os_strchr(p_start, ' ');
2717 wpa_printf(MSG_ERROR, "DUP: no src ifname found in cmd: '%s'",
2723 src_hapd = hostapd_interfaces_get_hapd(interfaces, p_start);
2725 wpa_printf(MSG_ERROR, "DUP: no src ifname found: '%s'",
2730 p_start = p_end + 1;
2731 p_end = os_strchr(p_start, ' ');
2733 wpa_printf(MSG_ERROR, "DUP: no dst ifname found in cmd: '%s'",
2739 dst_hapd = hostapd_interfaces_get_hapd(interfaces, p_start);
2741 wpa_printf(MSG_ERROR, "DUP: no dst ifname found: '%s'",
2746 p_start = p_end + 1;
2747 return hostapd_ctrl_iface_dup_param(src_hapd, dst_hapd, p_start);
2751 static int hostapd_global_ctrl_iface_ifname(struct hapd_interfaces *interfaces,
2753 char *buf, char *reply,
2755 struct sockaddr_un *from,
2758 struct hostapd_data *hapd;
2760 hapd = hostapd_interfaces_get_hapd(interfaces, ifname);
2764 res = os_snprintf(reply, reply_size, "FAIL-NO-IFNAME-MATCH\n");
2765 if (os_snprintf_error(reply_size, res))
2770 return hostapd_ctrl_iface_receive_process(hapd, buf, reply,reply_size,
2775 static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
2778 void *interfaces = eloop_ctx;
2781 struct sockaddr_un from;
2782 socklen_t fromlen = sizeof(from);
2785 const int reply_size = 4096;
2787 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
2788 (struct sockaddr *) &from, &fromlen);
2790 wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s",
2795 wpa_printf(MSG_DEBUG, "Global ctrl_iface command: %s", buf);
2797 reply = os_malloc(reply_size);
2798 if (reply == NULL) {
2799 if (sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
2801 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
2807 os_memcpy(reply, "OK\n", 3);
2810 if (os_strncmp(buf, "IFNAME=", 7) == 0) {
2811 char *pos = os_strchr(buf + 7, ' ');
2815 reply_len = hostapd_global_ctrl_iface_ifname(
2816 interfaces, buf + 7, pos, reply, reply_size,
2822 if (os_strcmp(buf, "PING") == 0) {
2823 os_memcpy(reply, "PONG\n", 5);
2825 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
2826 if (wpa_debug_reopen_file() < 0)
2828 } else if (os_strcmp(buf, "FLUSH") == 0) {
2829 hostapd_ctrl_iface_flush(interfaces);
2830 } else if (os_strncmp(buf, "ADD ", 4) == 0) {
2831 if (hostapd_ctrl_iface_add(interfaces, buf + 4) < 0)
2833 } else if (os_strncmp(buf, "REMOVE ", 7) == 0) {
2834 if (hostapd_ctrl_iface_remove(interfaces, buf + 7) < 0)
2836 } else if (os_strcmp(buf, "ATTACH") == 0) {
2837 if (hostapd_global_ctrl_iface_attach(interfaces, &from,
2840 } else if (os_strcmp(buf, "DETACH") == 0) {
2841 if (hostapd_global_ctrl_iface_detach(interfaces, &from,
2844 #ifdef CONFIG_MODULE_TESTS
2845 } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
2846 int hapd_module_tests(void);
2847 if (hapd_module_tests() < 0)
2849 #endif /* CONFIG_MODULE_TESTS */
2851 } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
2852 if (!hostapd_global_ctrl_iface_fst_attach(interfaces, buf + 11))
2853 reply_len = os_snprintf(reply, reply_size, "OK\n");
2856 } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
2857 if (!hostapd_global_ctrl_iface_fst_detach(interfaces, buf + 11))
2858 reply_len = os_snprintf(reply, reply_size, "OK\n");
2861 } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
2862 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
2863 #endif /* CONFIG_FST */
2864 } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
2865 if (!hostapd_global_ctrl_iface_dup_network(interfaces,
2867 reply_len = os_snprintf(reply, reply_size, "OK\n");
2871 wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command "
2877 if (reply_len < 0) {
2878 os_memcpy(reply, "FAIL\n", 5);
2882 if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
2884 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
2891 static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface)
2896 if (interface->global_iface_path == NULL)
2899 len = os_strlen(interface->global_iface_path) +
2900 os_strlen(interface->global_iface_name) + 2;
2901 buf = os_malloc(len);
2905 os_snprintf(buf, len, "%s/%s", interface->global_iface_path,
2906 interface->global_iface_name);
2907 buf[len - 1] = '\0';
2912 int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface)
2914 struct sockaddr_un addr;
2918 if (interface->global_iface_path == NULL) {
2919 wpa_printf(MSG_DEBUG, "ctrl_iface not configured!");
2923 if (mkdir(interface->global_iface_path, S_IRWXU | S_IRWXG) < 0) {
2924 if (errno == EEXIST) {
2925 wpa_printf(MSG_DEBUG, "Using existing control "
2926 "interface directory.");
2928 wpa_printf(MSG_ERROR, "mkdir[ctrl_interface]: %s",
2932 } else if (interface->ctrl_iface_group &&
2933 chown(interface->global_iface_path, -1,
2934 interface->ctrl_iface_group) < 0) {
2935 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
2940 if (os_strlen(interface->global_iface_path) + 1 +
2941 os_strlen(interface->global_iface_name) >= sizeof(addr.sun_path))
2944 s = socket(PF_UNIX, SOCK_DGRAM, 0);
2946 wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno));
2950 os_memset(&addr, 0, sizeof(addr));
2952 addr.sun_len = sizeof(addr);
2953 #endif /* __FreeBSD__ */
2954 addr.sun_family = AF_UNIX;
2955 fname = hostapd_global_ctrl_iface_path(interface);
2958 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
2959 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2960 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
2962 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2963 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
2964 " allow connections - assuming it was left"
2965 "over from forced program termination");
2966 if (unlink(fname) < 0) {
2967 wpa_printf(MSG_ERROR,
2968 "Could not unlink existing ctrl_iface socket '%s': %s",
2969 fname, strerror(errno));
2972 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
2974 wpa_printf(MSG_ERROR, "bind(PF_UNIX): %s",
2978 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
2979 "ctrl_iface socket '%s'", fname);
2981 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
2982 "be in use - cannot override it");
2983 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
2984 "not used anymore", fname);
2991 if (interface->ctrl_iface_group &&
2992 chown(fname, -1, interface->ctrl_iface_group) < 0) {
2993 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
2998 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
2999 wpa_printf(MSG_ERROR, "chmod[ctrl_interface/ifname]: %s",
3005 interface->global_ctrl_sock = s;
3006 eloop_register_read_sock(s, hostapd_global_ctrl_iface_receive,
3022 void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces)
3025 struct wpa_ctrl_dst *dst, *prev;
3027 if (interfaces->global_ctrl_sock > -1) {
3028 eloop_unregister_read_sock(interfaces->global_ctrl_sock);
3029 close(interfaces->global_ctrl_sock);
3030 interfaces->global_ctrl_sock = -1;
3031 fname = hostapd_global_ctrl_iface_path(interfaces);
3037 if (interfaces->global_iface_path &&
3038 rmdir(interfaces->global_iface_path) < 0) {
3039 if (errno == ENOTEMPTY) {
3040 wpa_printf(MSG_DEBUG, "Control interface "
3041 "directory not empty - leaving it "
3044 wpa_printf(MSG_ERROR,
3045 "rmdir[ctrl_interface=%s]: %s",
3046 interfaces->global_iface_path,
3052 os_free(interfaces->global_iface_path);
3053 interfaces->global_iface_path = NULL;
3055 dst = interfaces->global_ctrl_dst;
3056 interfaces->global_ctrl_dst = NULL;
3065 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
3066 enum wpa_msg_type type,
3067 const char *buf, size_t len)
3069 struct wpa_ctrl_dst *dst, *next;
3076 if (type != WPA_MSG_ONLY_GLOBAL) {
3077 s = hapd->ctrl_sock;
3078 dst = hapd->ctrl_dst;
3080 s = hapd->iface->interfaces->global_ctrl_sock;
3081 dst = hapd->iface->interfaces->global_ctrl_dst;
3084 if (s < 0 || dst == NULL)
3087 os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
3088 io[0].iov_base = levelstr;
3089 io[0].iov_len = os_strlen(levelstr);
3090 io[1].iov_base = (char *) buf;
3091 io[1].iov_len = len;
3092 os_memset(&msg, 0, sizeof(msg));
3099 if (level >= dst->debug_level) {
3100 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send",
3101 (u8 *) dst->addr.sun_path, dst->addrlen -
3102 offsetof(struct sockaddr_un, sun_path));
3103 msg.msg_name = &dst->addr;
3104 msg.msg_namelen = dst->addrlen;
3105 if (sendmsg(s, &msg, 0) < 0) {
3107 wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: "
3109 idx, errno, strerror(errno));
3111 if (dst->errors > 10 || _errno == ENOENT) {
3112 if (type != WPA_MSG_ONLY_GLOBAL)
3113 hostapd_ctrl_iface_detach(
3117 hostapd_global_ctrl_iface_detach(
3118 hapd->iface->interfaces,
3130 #endif /* CONFIG_NATIVE_WINDOWS */