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_log_level(struct hostapd_data *hapd, char *cmd,
1965 char *buf, size_t buflen)
1967 char *pos, *end, *stamp;
1970 /* cmd: "LOG_LEVEL [<level>]" */
1974 ret = os_snprintf(pos, end - pos, "Current level: %s\n"
1976 debug_level_str(wpa_debug_level),
1977 wpa_debug_timestamp);
1978 if (os_snprintf_error(end - pos, ret))
1987 stamp = os_strchr(cmd, ' ');
1990 while (*stamp == ' ') {
1995 if (os_strlen(cmd)) {
1996 int level = str_to_debug_level(cmd);
1999 wpa_debug_level = level;
2002 if (stamp && os_strlen(stamp))
2003 wpa_debug_timestamp = atoi(stamp);
2005 os_memcpy(buf, "OK\n", 3);
2011 static int hostapd_ctrl_iface_track_sta_list(struct hostapd_data *hapd,
2012 char *buf, size_t buflen)
2014 struct hostapd_iface *iface = hapd->iface;
2016 struct hostapd_sta_info *info;
2017 struct os_reltime now;
2019 sta_track_expire(iface, 0);
2024 os_get_reltime(&now);
2025 dl_list_for_each_reverse(info, &iface->sta_seen,
2026 struct hostapd_sta_info, list) {
2027 struct os_reltime age;
2030 os_reltime_sub(&now, &info->last_seen, &age);
2031 ret = os_snprintf(pos, end - pos, MACSTR " %u\n",
2032 MAC2STR(info->addr), (unsigned int) age.sec);
2033 if (os_snprintf_error(end - pos, ret))
2040 #endif /* NEED_AP_MLME */
2043 static int hostapd_ctrl_iface_receive_process(struct hostapd_data *hapd,
2044 char *buf, char *reply,
2046 struct sockaddr_un *from,
2051 os_memcpy(reply, "OK\n", 3);
2054 if (os_strcmp(buf, "PING") == 0) {
2055 os_memcpy(reply, "PONG\n", 5);
2057 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
2058 if (wpa_debug_reopen_file() < 0)
2060 } else if (os_strcmp(buf, "STATUS") == 0) {
2061 reply_len = hostapd_ctrl_iface_status(hapd, reply,
2063 } else if (os_strcmp(buf, "STATUS-DRIVER") == 0) {
2064 reply_len = hostapd_drv_status(hapd, reply, reply_size);
2065 } else if (os_strcmp(buf, "MIB") == 0) {
2066 reply_len = ieee802_11_get_mib(hapd, reply, reply_size);
2067 if (reply_len >= 0) {
2068 res = wpa_get_mib(hapd->wpa_auth, reply + reply_len,
2069 reply_size - reply_len);
2075 if (reply_len >= 0) {
2076 res = ieee802_1x_get_mib(hapd, reply + reply_len,
2077 reply_size - reply_len);
2083 #ifndef CONFIG_NO_RADIUS
2084 if (reply_len >= 0) {
2085 res = radius_client_get_mib(hapd->radius,
2087 reply_size - reply_len);
2093 #endif /* CONFIG_NO_RADIUS */
2094 } else if (os_strncmp(buf, "MIB ", 4) == 0) {
2095 reply_len = hostapd_ctrl_iface_mib(hapd, reply, reply_size,
2097 } else if (os_strcmp(buf, "STA-FIRST") == 0) {
2098 reply_len = hostapd_ctrl_iface_sta_first(hapd, reply,
2100 } else if (os_strncmp(buf, "STA ", 4) == 0) {
2101 reply_len = hostapd_ctrl_iface_sta(hapd, buf + 4, reply,
2103 } else if (os_strncmp(buf, "STA-NEXT ", 9) == 0) {
2104 reply_len = hostapd_ctrl_iface_sta_next(hapd, buf + 9, reply,
2106 } else if (os_strcmp(buf, "ATTACH") == 0) {
2107 if (hostapd_ctrl_iface_attach(hapd, from, fromlen))
2109 } else if (os_strcmp(buf, "DETACH") == 0) {
2110 if (hostapd_ctrl_iface_detach(hapd, from, fromlen))
2112 } else if (os_strncmp(buf, "LEVEL ", 6) == 0) {
2113 if (hostapd_ctrl_iface_level(hapd, from, fromlen,
2116 } else if (os_strncmp(buf, "NEW_STA ", 8) == 0) {
2117 if (hostapd_ctrl_iface_new_sta(hapd, buf + 8))
2119 } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
2120 if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15))
2122 } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
2123 if (hostapd_ctrl_iface_disassociate(hapd, buf + 13))
2125 } else if (os_strcmp(buf, "STOP_AP") == 0) {
2126 if (hostapd_ctrl_iface_stop_ap(hapd))
2128 #ifdef CONFIG_IEEE80211W
2130 } else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) {
2131 if (hostapd_ctrl_iface_sa_query(hapd, buf + 9))
2133 #endif /* NEED_AP_MLME */
2134 #endif /* CONFIG_IEEE80211W */
2136 } else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
2137 if (hostapd_ctrl_iface_wps_pin(hapd, buf + 8))
2139 } else if (os_strncmp(buf, "WPS_CHECK_PIN ", 14) == 0) {
2140 reply_len = hostapd_ctrl_iface_wps_check_pin(
2141 hapd, buf + 14, reply, reply_size);
2142 } else if (os_strcmp(buf, "WPS_PBC") == 0) {
2143 if (hostapd_wps_button_pushed(hapd, NULL))
2145 } else if (os_strcmp(buf, "WPS_CANCEL") == 0) {
2146 if (hostapd_wps_cancel(hapd))
2148 } else if (os_strncmp(buf, "WPS_AP_PIN ", 11) == 0) {
2149 reply_len = hostapd_ctrl_iface_wps_ap_pin(hapd, buf + 11,
2151 } else if (os_strncmp(buf, "WPS_CONFIG ", 11) == 0) {
2152 if (hostapd_ctrl_iface_wps_config(hapd, buf + 11) < 0)
2154 } else if (os_strncmp(buf, "WPS_GET_STATUS", 13) == 0) {
2155 reply_len = hostapd_ctrl_iface_wps_get_status(hapd, reply,
2157 #ifdef CONFIG_WPS_NFC
2158 } else if (os_strncmp(buf, "WPS_NFC_TAG_READ ", 17) == 0) {
2159 if (hostapd_ctrl_iface_wps_nfc_tag_read(hapd, buf + 17))
2161 } else if (os_strncmp(buf, "WPS_NFC_CONFIG_TOKEN ", 21) == 0) {
2162 reply_len = hostapd_ctrl_iface_wps_nfc_config_token(
2163 hapd, buf + 21, reply, reply_size);
2164 } else if (os_strncmp(buf, "WPS_NFC_TOKEN ", 14) == 0) {
2165 reply_len = hostapd_ctrl_iface_wps_nfc_token(
2166 hapd, buf + 14, reply, reply_size);
2167 } else if (os_strncmp(buf, "NFC_GET_HANDOVER_SEL ", 21) == 0) {
2168 reply_len = hostapd_ctrl_iface_nfc_get_handover_sel(
2169 hapd, buf + 21, reply, reply_size);
2170 } else if (os_strncmp(buf, "NFC_REPORT_HANDOVER ", 20) == 0) {
2171 if (hostapd_ctrl_iface_nfc_report_handover(hapd, buf + 20))
2173 #endif /* CONFIG_WPS_NFC */
2174 #endif /* CONFIG_WPS */
2175 #ifdef CONFIG_INTERWORKING
2176 } else if (os_strncmp(buf, "SET_QOS_MAP_SET ", 16) == 0) {
2177 if (hostapd_ctrl_iface_set_qos_map_set(hapd, buf + 16))
2179 } else if (os_strncmp(buf, "SEND_QOS_MAP_CONF ", 18) == 0) {
2180 if (hostapd_ctrl_iface_send_qos_map_conf(hapd, buf + 18))
2182 #endif /* CONFIG_INTERWORKING */
2184 } else if (os_strncmp(buf, "HS20_WNM_NOTIF ", 15) == 0) {
2185 if (hostapd_ctrl_iface_hs20_wnm_notif(hapd, buf + 15))
2187 } else if (os_strncmp(buf, "HS20_DEAUTH_REQ ", 16) == 0) {
2188 if (hostapd_ctrl_iface_hs20_deauth_req(hapd, buf + 16))
2190 #endif /* CONFIG_HS20 */
2192 } else if (os_strncmp(buf, "DISASSOC_IMMINENT ", 18) == 0) {
2193 if (hostapd_ctrl_iface_disassoc_imminent(hapd, buf + 18))
2195 } else if (os_strncmp(buf, "ESS_DISASSOC ", 13) == 0) {
2196 if (hostapd_ctrl_iface_ess_disassoc(hapd, buf + 13))
2198 } else if (os_strncmp(buf, "BSS_TM_REQ ", 11) == 0) {
2199 if (hostapd_ctrl_iface_bss_tm_req(hapd, buf + 11))
2201 #endif /* CONFIG_WNM */
2202 } else if (os_strcmp(buf, "GET_CONFIG") == 0) {
2203 reply_len = hostapd_ctrl_iface_get_config(hapd, reply,
2205 } else if (os_strncmp(buf, "SET ", 4) == 0) {
2206 if (hostapd_ctrl_iface_set(hapd, buf + 4))
2208 } else if (os_strncmp(buf, "GET ", 4) == 0) {
2209 reply_len = hostapd_ctrl_iface_get(hapd, buf + 4, reply,
2211 } else if (os_strncmp(buf, "ENABLE", 6) == 0) {
2212 if (hostapd_ctrl_iface_enable(hapd->iface))
2214 } else if (os_strncmp(buf, "RELOAD", 6) == 0) {
2215 if (hostapd_ctrl_iface_reload(hapd->iface))
2217 } else if (os_strncmp(buf, "DISABLE", 7) == 0) {
2218 if (hostapd_ctrl_iface_disable(hapd->iface))
2220 } else if (os_strcmp(buf, "UPDATE_BEACON") == 0) {
2221 if (ieee802_11_set_beacon(hapd))
2223 #ifdef CONFIG_TESTING_OPTIONS
2224 } else if (os_strncmp(buf, "RADAR ", 6) == 0) {
2225 if (hostapd_ctrl_iface_radar(hapd, buf + 6))
2227 } else if (os_strncmp(buf, "MGMT_TX ", 8) == 0) {
2228 if (hostapd_ctrl_iface_mgmt_tx(hapd, buf + 8))
2230 } else if (os_strncmp(buf, "EAPOL_RX ", 9) == 0) {
2231 if (hostapd_ctrl_iface_eapol_rx(hapd, buf + 9) < 0)
2233 } else if (os_strncmp(buf, "DATA_TEST_CONFIG ", 17) == 0) {
2234 if (hostapd_ctrl_iface_data_test_config(hapd, buf + 17) < 0)
2236 } else if (os_strncmp(buf, "DATA_TEST_TX ", 13) == 0) {
2237 if (hostapd_ctrl_iface_data_test_tx(hapd, buf + 13) < 0)
2239 } else if (os_strncmp(buf, "DATA_TEST_FRAME ", 16) == 0) {
2240 if (hostapd_ctrl_iface_data_test_frame(hapd, buf + 16) < 0)
2242 } else if (os_strncmp(buf, "TEST_ALLOC_FAIL ", 16) == 0) {
2243 if (hostapd_ctrl_test_alloc_fail(hapd, buf + 16) < 0)
2245 } else if (os_strcmp(buf, "GET_ALLOC_FAIL") == 0) {
2246 reply_len = hostapd_ctrl_get_alloc_fail(hapd, reply,
2248 } else if (os_strncmp(buf, "TEST_FAIL ", 10) == 0) {
2249 if (hostapd_ctrl_test_fail(hapd, buf + 10) < 0)
2251 } else if (os_strcmp(buf, "GET_FAIL") == 0) {
2252 reply_len = hostapd_ctrl_get_fail(hapd, reply, reply_size);
2253 #endif /* CONFIG_TESTING_OPTIONS */
2254 } else if (os_strncmp(buf, "CHAN_SWITCH ", 12) == 0) {
2255 if (hostapd_ctrl_iface_chan_switch(hapd->iface, buf + 12))
2257 } else if (os_strncmp(buf, "VENDOR ", 7) == 0) {
2258 reply_len = hostapd_ctrl_iface_vendor(hapd, buf + 7, reply,
2260 } else if (os_strcmp(buf, "ERP_FLUSH") == 0) {
2261 ieee802_1x_erp_flush(hapd);
2262 #ifdef RADIUS_SERVER
2263 radius_server_erp_flush(hapd->radius_srv);
2264 #endif /* RADIUS_SERVER */
2265 } else if (os_strncmp(buf, "EAPOL_REAUTH ", 13) == 0) {
2266 if (hostapd_ctrl_iface_eapol_reauth(hapd, buf + 13))
2268 } else if (os_strncmp(buf, "EAPOL_SET ", 10) == 0) {
2269 if (hostapd_ctrl_iface_eapol_set(hapd, buf + 10))
2271 } else if (os_strncmp(buf, "LOG_LEVEL", 9) == 0) {
2272 reply_len = hostapd_ctrl_iface_log_level(
2273 hapd, buf + 9, reply, reply_size);
2275 } else if (os_strcmp(buf, "TRACK_STA_LIST") == 0) {
2276 reply_len = hostapd_ctrl_iface_track_sta_list(
2277 hapd, reply, reply_size);
2278 #endif /* NEED_AP_MLME */
2280 os_memcpy(reply, "UNKNOWN COMMAND\n", 16);
2284 if (reply_len < 0) {
2285 os_memcpy(reply, "FAIL\n", 5);
2293 static void hostapd_ctrl_iface_receive(int sock, void *eloop_ctx,
2296 struct hostapd_data *hapd = eloop_ctx;
2299 struct sockaddr_un from;
2300 socklen_t fromlen = sizeof(from);
2302 const int reply_size = 4096;
2304 int level = MSG_DEBUG;
2306 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
2307 (struct sockaddr *) &from, &fromlen);
2309 wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s",
2314 if (os_strcmp(buf, "PING") == 0)
2315 level = MSG_EXCESSIVE;
2316 wpa_hexdump_ascii(level, "RX ctrl_iface", (u8 *) buf, res);
2318 reply = os_malloc(reply_size);
2319 if (reply == NULL) {
2320 if (sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
2322 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
2328 reply_len = hostapd_ctrl_iface_receive_process(hapd, buf,
2332 if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
2334 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
2341 static char * hostapd_ctrl_iface_path(struct hostapd_data *hapd)
2346 if (hapd->conf->ctrl_interface == NULL)
2349 len = os_strlen(hapd->conf->ctrl_interface) +
2350 os_strlen(hapd->conf->iface) + 2;
2351 buf = os_malloc(len);
2355 os_snprintf(buf, len, "%s/%s",
2356 hapd->conf->ctrl_interface, hapd->conf->iface);
2357 buf[len - 1] = '\0';
2362 static void hostapd_ctrl_iface_msg_cb(void *ctx, int level,
2363 enum wpa_msg_type type,
2364 const char *txt, size_t len)
2366 struct hostapd_data *hapd = ctx;
2369 hostapd_ctrl_iface_send(hapd, level, type, txt, len);
2373 int hostapd_ctrl_iface_init(struct hostapd_data *hapd)
2375 struct sockaddr_un addr;
2379 if (hapd->ctrl_sock > -1) {
2380 wpa_printf(MSG_DEBUG, "ctrl_iface already exists!");
2384 if (hapd->conf->ctrl_interface == NULL)
2387 if (mkdir(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
2388 if (errno == EEXIST) {
2389 wpa_printf(MSG_DEBUG, "Using existing control "
2390 "interface directory.");
2392 wpa_printf(MSG_ERROR, "mkdir[ctrl_interface]: %s",
2398 if (hapd->conf->ctrl_interface_gid_set &&
2399 chown(hapd->conf->ctrl_interface, -1,
2400 hapd->conf->ctrl_interface_gid) < 0) {
2401 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
2406 if (!hapd->conf->ctrl_interface_gid_set &&
2407 hapd->iface->interfaces->ctrl_iface_group &&
2408 chown(hapd->conf->ctrl_interface, -1,
2409 hapd->iface->interfaces->ctrl_iface_group) < 0) {
2410 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
2417 * Android is using umask 0077 which would leave the control interface
2418 * directory without group access. This breaks things since Wi-Fi
2419 * framework assumes that this directory can be accessed by other
2420 * applications in the wifi group. Fix this by adding group access even
2421 * if umask value would prevent this.
2423 if (chmod(hapd->conf->ctrl_interface, S_IRWXU | S_IRWXG) < 0) {
2424 wpa_printf(MSG_ERROR, "CTRL: Could not chmod directory: %s",
2426 /* Try to continue anyway */
2428 #endif /* ANDROID */
2430 if (os_strlen(hapd->conf->ctrl_interface) + 1 +
2431 os_strlen(hapd->conf->iface) >= sizeof(addr.sun_path))
2434 s = socket(PF_UNIX, SOCK_DGRAM, 0);
2436 wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno));
2440 os_memset(&addr, 0, sizeof(addr));
2442 addr.sun_len = sizeof(addr);
2443 #endif /* __FreeBSD__ */
2444 addr.sun_family = AF_UNIX;
2445 fname = hostapd_ctrl_iface_path(hapd);
2448 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
2449 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2450 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
2452 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
2453 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
2454 " allow connections - assuming it was left"
2455 "over from forced program termination");
2456 if (unlink(fname) < 0) {
2457 wpa_printf(MSG_ERROR,
2458 "Could not unlink existing ctrl_iface socket '%s': %s",
2459 fname, strerror(errno));
2462 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
2464 wpa_printf(MSG_ERROR,
2465 "hostapd-ctrl-iface: bind(PF_UNIX): %s",
2469 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
2470 "ctrl_iface socket '%s'", fname);
2472 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
2473 "be in use - cannot override it");
2474 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
2475 "not used anymore", fname);
2482 if (hapd->conf->ctrl_interface_gid_set &&
2483 chown(fname, -1, hapd->conf->ctrl_interface_gid) < 0) {
2484 wpa_printf(MSG_ERROR, "chown[ctrl_interface/ifname]: %s",
2489 if (!hapd->conf->ctrl_interface_gid_set &&
2490 hapd->iface->interfaces->ctrl_iface_group &&
2491 chown(fname, -1, hapd->iface->interfaces->ctrl_iface_group) < 0) {
2492 wpa_printf(MSG_ERROR, "chown[ctrl_interface/ifname]: %s",
2497 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
2498 wpa_printf(MSG_ERROR, "chmod[ctrl_interface/ifname]: %s",
2504 hapd->ctrl_sock = s;
2505 if (eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd,
2507 hostapd_ctrl_iface_deinit(hapd);
2510 hapd->msg_ctx = hapd;
2511 wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb);
2526 void hostapd_ctrl_iface_deinit(struct hostapd_data *hapd)
2528 struct wpa_ctrl_dst *dst, *prev;
2530 if (hapd->ctrl_sock > -1) {
2532 eloop_unregister_read_sock(hapd->ctrl_sock);
2533 close(hapd->ctrl_sock);
2534 hapd->ctrl_sock = -1;
2535 fname = hostapd_ctrl_iface_path(hapd);
2540 if (hapd->conf->ctrl_interface &&
2541 rmdir(hapd->conf->ctrl_interface) < 0) {
2542 if (errno == ENOTEMPTY) {
2543 wpa_printf(MSG_DEBUG, "Control interface "
2544 "directory not empty - leaving it "
2547 wpa_printf(MSG_ERROR,
2548 "rmdir[ctrl_interface=%s]: %s",
2549 hapd->conf->ctrl_interface,
2555 dst = hapd->ctrl_dst;
2556 hapd->ctrl_dst = NULL;
2563 #ifdef CONFIG_TESTING_OPTIONS
2564 l2_packet_deinit(hapd->l2_test);
2565 hapd->l2_test = NULL;
2566 #endif /* CONFIG_TESTING_OPTIONS */
2570 static int hostapd_ctrl_iface_add(struct hapd_interfaces *interfaces,
2573 if (hostapd_add_iface(interfaces, buf) < 0) {
2574 wpa_printf(MSG_ERROR, "Adding interface %s failed", buf);
2581 static int hostapd_ctrl_iface_remove(struct hapd_interfaces *interfaces,
2584 if (hostapd_remove_iface(interfaces, buf) < 0) {
2585 wpa_printf(MSG_ERROR, "Removing interface %s failed", buf);
2592 static int hostapd_global_ctrl_iface_attach(struct hapd_interfaces *interfaces,
2593 struct sockaddr_un *from,
2596 struct wpa_ctrl_dst *dst;
2598 dst = os_zalloc(sizeof(*dst));
2601 os_memcpy(&dst->addr, from, sizeof(struct sockaddr_un));
2602 dst->addrlen = fromlen;
2603 dst->debug_level = MSG_INFO;
2604 dst->next = interfaces->global_ctrl_dst;
2605 interfaces->global_ctrl_dst = dst;
2606 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached (global)",
2608 fromlen - offsetof(struct sockaddr_un, sun_path));
2613 static int hostapd_global_ctrl_iface_detach(struct hapd_interfaces *interfaces,
2614 struct sockaddr_un *from,
2617 struct wpa_ctrl_dst *dst, *prev = NULL;
2619 dst = interfaces->global_ctrl_dst;
2621 if (fromlen == dst->addrlen &&
2622 os_memcmp(from->sun_path, dst->addr.sun_path,
2623 fromlen - offsetof(struct sockaddr_un, sun_path))
2625 wpa_hexdump(MSG_DEBUG,
2626 "CTRL_IFACE monitor detached (global)",
2629 offsetof(struct sockaddr_un, sun_path));
2631 interfaces->global_ctrl_dst = dst->next;
2633 prev->next = dst->next;
2644 static void hostapd_ctrl_iface_flush(struct hapd_interfaces *interfaces)
2646 #ifdef CONFIG_WPS_TESTING
2647 wps_version_number = 0x20;
2648 wps_testing_dummy_cred = 0;
2649 wps_corrupt_pkhash = 0;
2650 #endif /* CONFIG_WPS_TESTING */
2657 hostapd_global_ctrl_iface_fst_attach(struct hapd_interfaces *interfaces,
2660 char ifname[IFNAMSIZ + 1];
2661 struct fst_iface_cfg cfg;
2662 struct hostapd_data *hapd;
2663 struct fst_wpa_obj iface_obj;
2665 if (!fst_parse_attach_command(cmd, ifname, sizeof(ifname), &cfg)) {
2666 hapd = hostapd_get_iface(interfaces, ifname);
2668 if (hapd->iface->fst) {
2669 wpa_printf(MSG_INFO, "FST: Already attached");
2672 fst_hostapd_fill_iface_obj(hapd, &iface_obj);
2673 hapd->iface->fst = fst_attach(ifname, hapd->own_addr,
2675 if (hapd->iface->fst)
2685 hostapd_global_ctrl_iface_fst_detach(struct hapd_interfaces *interfaces,
2688 char ifname[IFNAMSIZ + 1];
2689 struct hostapd_data * hapd;
2691 if (!fst_parse_detach_command(cmd, ifname, sizeof(ifname))) {
2692 hapd = hostapd_get_iface(interfaces, ifname);
2694 if (!fst_iface_detach(ifname)) {
2695 hapd->iface->fst = NULL;
2696 hapd->iface->fst_ies = NULL;
2705 #endif /* CONFIG_FST */
2708 static struct hostapd_data *
2709 hostapd_interfaces_get_hapd(struct hapd_interfaces *interfaces,
2714 for (i = 0; i < interfaces->count; i++) {
2715 struct hostapd_iface *iface = interfaces->iface[i];
2717 for (j = 0; j < iface->num_bss; j++) {
2718 struct hostapd_data *hapd;
2720 hapd = iface->bss[j];
2721 if (os_strcmp(ifname, hapd->conf->iface) == 0)
2730 static int hostapd_ctrl_iface_dup_param(struct hostapd_data *src_hapd,
2731 struct hostapd_data *dst_hapd,
2737 value = os_zalloc(HOSTAPD_CLI_DUP_VALUE_MAX_LEN);
2739 wpa_printf(MSG_ERROR,
2740 "DUP: cannot allocate buffer to stringify %s",
2745 if (os_strcmp(param, "wpa") == 0) {
2746 os_snprintf(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN, "%d",
2747 src_hapd->conf->wpa);
2748 } else if (os_strcmp(param, "wpa_key_mgmt") == 0 &&
2749 src_hapd->conf->wpa_key_mgmt) {
2750 res = hostapd_ctrl_iface_get_key_mgmt(
2751 src_hapd, value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN);
2752 if (os_snprintf_error(HOSTAPD_CLI_DUP_VALUE_MAX_LEN, res))
2753 goto error_stringify;
2754 } else if (os_strcmp(param, "wpa_pairwise") == 0 &&
2755 src_hapd->conf->wpa_pairwise) {
2756 res = wpa_write_ciphers(value,
2757 value + HOSTAPD_CLI_DUP_VALUE_MAX_LEN,
2758 src_hapd->conf->wpa_pairwise, " ");
2760 goto error_stringify;
2761 } else if (os_strcmp(param, "rsn_pairwise") == 0 &&
2762 src_hapd->conf->rsn_pairwise) {
2763 res = wpa_write_ciphers(value,
2764 value + HOSTAPD_CLI_DUP_VALUE_MAX_LEN,
2765 src_hapd->conf->rsn_pairwise, " ");
2767 goto error_stringify;
2768 } else if (os_strcmp(param, "wpa_passphrase") == 0 &&
2769 src_hapd->conf->ssid.wpa_passphrase) {
2770 os_snprintf(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN, "%s",
2771 src_hapd->conf->ssid.wpa_passphrase);
2772 } else if (os_strcmp(param, "wpa_psk") == 0 &&
2773 src_hapd->conf->ssid.wpa_psk_set) {
2774 wpa_snprintf_hex(value, HOSTAPD_CLI_DUP_VALUE_MAX_LEN,
2775 src_hapd->conf->ssid.wpa_psk->psk, PMK_LEN);
2777 wpa_printf(MSG_WARNING, "DUP: %s cannot be duplicated", param);
2781 res = hostapd_set_iface(dst_hapd->iconf, dst_hapd->conf, param, value);
2786 wpa_printf(MSG_ERROR, "DUP: cannot stringify %s", param);
2794 hostapd_global_ctrl_iface_dup_network(struct hapd_interfaces *interfaces,
2797 char *p_start = cmd, *p_end;
2798 struct hostapd_data *src_hapd, *dst_hapd;
2800 /* cmd: "<src ifname> <dst ifname> <variable name> */
2802 p_end = os_strchr(p_start, ' ');
2804 wpa_printf(MSG_ERROR, "DUP: no src ifname found in cmd: '%s'",
2810 src_hapd = hostapd_interfaces_get_hapd(interfaces, p_start);
2812 wpa_printf(MSG_ERROR, "DUP: no src ifname found: '%s'",
2817 p_start = p_end + 1;
2818 p_end = os_strchr(p_start, ' ');
2820 wpa_printf(MSG_ERROR, "DUP: no dst ifname found in cmd: '%s'",
2826 dst_hapd = hostapd_interfaces_get_hapd(interfaces, p_start);
2828 wpa_printf(MSG_ERROR, "DUP: no dst ifname found: '%s'",
2833 p_start = p_end + 1;
2834 return hostapd_ctrl_iface_dup_param(src_hapd, dst_hapd, p_start);
2838 static int hostapd_global_ctrl_iface_ifname(struct hapd_interfaces *interfaces,
2840 char *buf, char *reply,
2842 struct sockaddr_un *from,
2845 struct hostapd_data *hapd;
2847 hapd = hostapd_interfaces_get_hapd(interfaces, ifname);
2851 res = os_snprintf(reply, reply_size, "FAIL-NO-IFNAME-MATCH\n");
2852 if (os_snprintf_error(reply_size, res))
2857 return hostapd_ctrl_iface_receive_process(hapd, buf, reply,reply_size,
2862 static void hostapd_global_ctrl_iface_receive(int sock, void *eloop_ctx,
2865 void *interfaces = eloop_ctx;
2868 struct sockaddr_un from;
2869 socklen_t fromlen = sizeof(from);
2872 const int reply_size = 4096;
2874 res = recvfrom(sock, buf, sizeof(buf) - 1, 0,
2875 (struct sockaddr *) &from, &fromlen);
2877 wpa_printf(MSG_ERROR, "recvfrom(ctrl_iface): %s",
2882 wpa_printf(MSG_DEBUG, "Global ctrl_iface command: %s", buf);
2884 reply = os_malloc(reply_size);
2885 if (reply == NULL) {
2886 if (sendto(sock, "FAIL\n", 5, 0, (struct sockaddr *) &from,
2888 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
2894 os_memcpy(reply, "OK\n", 3);
2897 if (os_strncmp(buf, "IFNAME=", 7) == 0) {
2898 char *pos = os_strchr(buf + 7, ' ');
2902 reply_len = hostapd_global_ctrl_iface_ifname(
2903 interfaces, buf + 7, pos, reply, reply_size,
2909 if (os_strcmp(buf, "PING") == 0) {
2910 os_memcpy(reply, "PONG\n", 5);
2912 } else if (os_strncmp(buf, "RELOG", 5) == 0) {
2913 if (wpa_debug_reopen_file() < 0)
2915 } else if (os_strcmp(buf, "FLUSH") == 0) {
2916 hostapd_ctrl_iface_flush(interfaces);
2917 } else if (os_strncmp(buf, "ADD ", 4) == 0) {
2918 if (hostapd_ctrl_iface_add(interfaces, buf + 4) < 0)
2920 } else if (os_strncmp(buf, "REMOVE ", 7) == 0) {
2921 if (hostapd_ctrl_iface_remove(interfaces, buf + 7) < 0)
2923 } else if (os_strcmp(buf, "ATTACH") == 0) {
2924 if (hostapd_global_ctrl_iface_attach(interfaces, &from,
2927 } else if (os_strcmp(buf, "DETACH") == 0) {
2928 if (hostapd_global_ctrl_iface_detach(interfaces, &from,
2931 #ifdef CONFIG_MODULE_TESTS
2932 } else if (os_strcmp(buf, "MODULE_TESTS") == 0) {
2933 int hapd_module_tests(void);
2934 if (hapd_module_tests() < 0)
2936 #endif /* CONFIG_MODULE_TESTS */
2938 } else if (os_strncmp(buf, "FST-ATTACH ", 11) == 0) {
2939 if (!hostapd_global_ctrl_iface_fst_attach(interfaces, buf + 11))
2940 reply_len = os_snprintf(reply, reply_size, "OK\n");
2943 } else if (os_strncmp(buf, "FST-DETACH ", 11) == 0) {
2944 if (!hostapd_global_ctrl_iface_fst_detach(interfaces, buf + 11))
2945 reply_len = os_snprintf(reply, reply_size, "OK\n");
2948 } else if (os_strncmp(buf, "FST-MANAGER ", 12) == 0) {
2949 reply_len = fst_ctrl_iface_receive(buf + 12, reply, reply_size);
2950 #endif /* CONFIG_FST */
2951 } else if (os_strncmp(buf, "DUP_NETWORK ", 12) == 0) {
2952 if (!hostapd_global_ctrl_iface_dup_network(interfaces,
2954 reply_len = os_snprintf(reply, reply_size, "OK\n");
2958 wpa_printf(MSG_DEBUG, "Unrecognized global ctrl_iface command "
2964 if (reply_len < 0) {
2965 os_memcpy(reply, "FAIL\n", 5);
2969 if (sendto(sock, reply, reply_len, 0, (struct sockaddr *) &from,
2971 wpa_printf(MSG_DEBUG, "CTRL: sendto failed: %s",
2978 static char * hostapd_global_ctrl_iface_path(struct hapd_interfaces *interface)
2983 if (interface->global_iface_path == NULL)
2986 len = os_strlen(interface->global_iface_path) +
2987 os_strlen(interface->global_iface_name) + 2;
2988 buf = os_malloc(len);
2992 os_snprintf(buf, len, "%s/%s", interface->global_iface_path,
2993 interface->global_iface_name);
2994 buf[len - 1] = '\0';
2999 int hostapd_global_ctrl_iface_init(struct hapd_interfaces *interface)
3001 struct sockaddr_un addr;
3005 if (interface->global_iface_path == NULL) {
3006 wpa_printf(MSG_DEBUG, "ctrl_iface not configured!");
3010 if (mkdir(interface->global_iface_path, S_IRWXU | S_IRWXG) < 0) {
3011 if (errno == EEXIST) {
3012 wpa_printf(MSG_DEBUG, "Using existing control "
3013 "interface directory.");
3015 wpa_printf(MSG_ERROR, "mkdir[ctrl_interface]: %s",
3019 } else if (interface->ctrl_iface_group &&
3020 chown(interface->global_iface_path, -1,
3021 interface->ctrl_iface_group) < 0) {
3022 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
3027 if (os_strlen(interface->global_iface_path) + 1 +
3028 os_strlen(interface->global_iface_name) >= sizeof(addr.sun_path))
3031 s = socket(PF_UNIX, SOCK_DGRAM, 0);
3033 wpa_printf(MSG_ERROR, "socket(PF_UNIX): %s", strerror(errno));
3037 os_memset(&addr, 0, sizeof(addr));
3039 addr.sun_len = sizeof(addr);
3040 #endif /* __FreeBSD__ */
3041 addr.sun_family = AF_UNIX;
3042 fname = hostapd_global_ctrl_iface_path(interface);
3045 os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
3046 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
3047 wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
3049 if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
3050 wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
3051 " allow connections - assuming it was left"
3052 "over from forced program termination");
3053 if (unlink(fname) < 0) {
3054 wpa_printf(MSG_ERROR,
3055 "Could not unlink existing ctrl_iface socket '%s': %s",
3056 fname, strerror(errno));
3059 if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
3061 wpa_printf(MSG_ERROR, "bind(PF_UNIX): %s",
3065 wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
3066 "ctrl_iface socket '%s'", fname);
3068 wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
3069 "be in use - cannot override it");
3070 wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
3071 "not used anymore", fname);
3078 if (interface->ctrl_iface_group &&
3079 chown(fname, -1, interface->ctrl_iface_group) < 0) {
3080 wpa_printf(MSG_ERROR, "chown[ctrl_interface]: %s",
3085 if (chmod(fname, S_IRWXU | S_IRWXG) < 0) {
3086 wpa_printf(MSG_ERROR, "chmod[ctrl_interface/ifname]: %s",
3092 interface->global_ctrl_sock = s;
3093 eloop_register_read_sock(s, hostapd_global_ctrl_iface_receive,
3109 void hostapd_global_ctrl_iface_deinit(struct hapd_interfaces *interfaces)
3112 struct wpa_ctrl_dst *dst, *prev;
3114 if (interfaces->global_ctrl_sock > -1) {
3115 eloop_unregister_read_sock(interfaces->global_ctrl_sock);
3116 close(interfaces->global_ctrl_sock);
3117 interfaces->global_ctrl_sock = -1;
3118 fname = hostapd_global_ctrl_iface_path(interfaces);
3124 if (interfaces->global_iface_path &&
3125 rmdir(interfaces->global_iface_path) < 0) {
3126 if (errno == ENOTEMPTY) {
3127 wpa_printf(MSG_DEBUG, "Control interface "
3128 "directory not empty - leaving it "
3131 wpa_printf(MSG_ERROR,
3132 "rmdir[ctrl_interface=%s]: %s",
3133 interfaces->global_iface_path,
3139 os_free(interfaces->global_iface_path);
3140 interfaces->global_iface_path = NULL;
3142 dst = interfaces->global_ctrl_dst;
3143 interfaces->global_ctrl_dst = NULL;
3152 static void hostapd_ctrl_iface_send(struct hostapd_data *hapd, int level,
3153 enum wpa_msg_type type,
3154 const char *buf, size_t len)
3156 struct wpa_ctrl_dst *dst, *next;
3163 if (type != WPA_MSG_ONLY_GLOBAL) {
3164 s = hapd->ctrl_sock;
3165 dst = hapd->ctrl_dst;
3167 s = hapd->iface->interfaces->global_ctrl_sock;
3168 dst = hapd->iface->interfaces->global_ctrl_dst;
3171 if (s < 0 || dst == NULL)
3174 os_snprintf(levelstr, sizeof(levelstr), "<%d>", level);
3175 io[0].iov_base = levelstr;
3176 io[0].iov_len = os_strlen(levelstr);
3177 io[1].iov_base = (char *) buf;
3178 io[1].iov_len = len;
3179 os_memset(&msg, 0, sizeof(msg));
3186 if (level >= dst->debug_level) {
3187 wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send",
3188 (u8 *) dst->addr.sun_path, dst->addrlen -
3189 offsetof(struct sockaddr_un, sun_path));
3190 msg.msg_name = &dst->addr;
3191 msg.msg_namelen = dst->addrlen;
3192 if (sendmsg(s, &msg, 0) < 0) {
3194 wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: "
3196 idx, errno, strerror(errno));
3198 if (dst->errors > 10 || _errno == ENOENT) {
3199 if (type != WPA_MSG_ONLY_GLOBAL)
3200 hostapd_ctrl_iface_detach(
3204 hostapd_global_ctrl_iface_detach(
3205 hapd->iface->interfaces,
3217 #endif /* CONFIG_NATIVE_WINDOWS */