/*
* hostapd / UNIX domain socket -based control interface
- * Copyright (c) 2004-2008, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2004-2009, Jouni Malinen <j@w1.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* See README and COPYING for more details.
*/
-#include "includes.h"
+#include "utils/includes.h"
#ifndef CONFIG_NATIVE_WINDOWS
#include <sys/un.h>
#include <sys/stat.h>
+#include <stddef.h>
-#include "hostapd.h"
-#include "eloop.h"
-#include "config.h"
-#include "ieee802_1x.h"
-#include "wpa.h"
+#include "utils/common.h"
+#include "utils/eloop.h"
+#include "common/ieee802_11_defs.h"
+#include "drivers/driver.h"
#include "radius/radius_client.h"
-#include "ieee802_11.h"
+#include "ap/hostapd.h"
+#include "ap/ap_config.h"
+#include "ap/ieee802_1x.h"
+#include "ap/wpa_auth.h"
+#include "ap/ieee802_11.h"
+#include "ap/sta_info.h"
+#include "ap/accounting.h"
+#include "ap/wps_hostapd.h"
+#include "ap/ctrl_iface_ap.h"
#include "ctrl_iface.h"
-#include "sta_info.h"
-#include "accounting.h"
-#include "wps_hostapd.h"
-#include "driver.h"
struct wpa_ctrl_dst {
dst->next = hapd->ctrl_dst;
hapd->ctrl_dst = dst;
wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor attached",
- (u8 *) from->sun_path, fromlen);
+ (u8 *) from->sun_path,
+ fromlen - offsetof(struct sockaddr_un, sun_path));
return 0;
}
dst = hapd->ctrl_dst;
while (dst) {
if (fromlen == dst->addrlen &&
- os_memcmp(from->sun_path, dst->addr.sun_path, fromlen) ==
- 0) {
+ os_memcmp(from->sun_path, dst->addr.sun_path,
+ fromlen - offsetof(struct sockaddr_un, sun_path))
+ == 0) {
if (prev == NULL)
hapd->ctrl_dst = dst->next;
else
prev->next = dst->next;
os_free(dst);
wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor detached",
- (u8 *) from->sun_path, fromlen);
+ (u8 *) from->sun_path,
+ fromlen -
+ offsetof(struct sockaddr_un, sun_path));
return 0;
}
prev = dst;
dst = hapd->ctrl_dst;
while (dst) {
if (fromlen == dst->addrlen &&
- os_memcmp(from->sun_path, dst->addr.sun_path, fromlen) ==
- 0) {
+ os_memcmp(from->sun_path, dst->addr.sun_path,
+ fromlen - offsetof(struct sockaddr_un, sun_path))
+ == 0) {
wpa_hexdump(MSG_DEBUG, "CTRL_IFACE changed monitor "
- "level", (u8 *) from->sun_path, fromlen);
+ "level", (u8 *) from->sun_path, fromlen -
+ offsetof(struct sockaddr_un, sun_path));
dst->debug_level = atoi(level);
return 0;
}
}
-static int hostapd_ctrl_iface_sta_mib(struct hostapd_data *hapd,
- struct sta_info *sta,
- char *buf, size_t buflen)
+static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
+ const char *txtaddr)
{
- int len, res, ret;
+ u8 addr[ETH_ALEN];
+ struct sta_info *sta;
- if (sta == NULL) {
- ret = os_snprintf(buf, buflen, "FAIL\n");
- if (ret < 0 || (size_t) ret >= buflen)
- return 0;
- return ret;
- }
+ wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr);
- len = 0;
- ret = os_snprintf(buf + len, buflen - len, MACSTR "\n",
- MAC2STR(sta->addr));
- if (ret < 0 || (size_t) ret >= buflen - len)
- return len;
- len += ret;
-
- res = ieee802_11_get_mib_sta(hapd, sta, buf + len, buflen - len);
- if (res >= 0)
- len += res;
- res = wpa_get_mib_sta(sta->wpa_sm, buf + len, buflen - len);
- if (res >= 0)
- len += res;
- res = ieee802_1x_get_mib_sta(hapd, sta, buf + len, buflen - len);
- if (res >= 0)
- len += res;
-
- return len;
-}
+ if (hwaddr_aton(txtaddr, addr))
+ return -1;
+ sta = ap_get_sta(hapd, addr);
+ if (sta)
+ return 0;
-static int hostapd_ctrl_iface_sta_first(struct hostapd_data *hapd,
- char *buf, size_t buflen)
-{
- return hostapd_ctrl_iface_sta_mib(hapd, hapd->sta_list, buf, buflen);
+ wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface "
+ "notification", MAC2STR(addr));
+ sta = ap_sta_add(hapd, addr);
+ if (sta == NULL)
+ return -1;
+
+ hostapd_new_assoc_sta(hapd, sta, 0);
+ return 0;
}
-static int hostapd_ctrl_iface_sta(struct hostapd_data *hapd,
- const char *txtaddr,
- char *buf, size_t buflen)
+static int hostapd_ctrl_iface_deauthenticate(struct hostapd_data *hapd,
+ const char *txtaddr)
{
u8 addr[ETH_ALEN];
- int ret;
+ struct sta_info *sta;
+ const char *pos;
- if (hwaddr_aton(txtaddr, addr)) {
- ret = os_snprintf(buf, buflen, "FAIL\n");
- if (ret < 0 || (size_t) ret >= buflen)
- return 0;
- return ret;
- }
- return hostapd_ctrl_iface_sta_mib(hapd, ap_get_sta(hapd, addr),
- buf, buflen);
-}
+ wpa_printf(MSG_DEBUG, "CTRL_IFACE DEAUTHENTICATE %s", txtaddr);
+ if (hwaddr_aton(txtaddr, addr))
+ return -1;
-static int hostapd_ctrl_iface_sta_next(struct hostapd_data *hapd,
- const char *txtaddr,
- char *buf, size_t buflen)
-{
- u8 addr[ETH_ALEN];
- struct sta_info *sta;
- int ret;
+ pos = os_strstr(txtaddr, " test=");
+ if (pos) {
+ struct ieee80211_mgmt mgmt;
+ int encrypt;
+ if (hapd->driver->send_frame == NULL)
+ return -1;
+ pos += 6;
+ encrypt = atoi(pos);
+ os_memset(&mgmt, 0, sizeof(mgmt));
+ mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+ WLAN_FC_STYPE_DEAUTH);
+ os_memcpy(mgmt.da, addr, ETH_ALEN);
+ os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
+ os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
+ mgmt.u.deauth.reason_code =
+ host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
+ if (hapd->driver->send_frame(hapd->drv_priv, (u8 *) &mgmt,
+ IEEE80211_HDRLEN +
+ sizeof(mgmt.u.deauth),
+ encrypt) < 0)
+ return -1;
+ return 0;
+ }
- if (hwaddr_aton(txtaddr, addr) ||
- (sta = ap_get_sta(hapd, addr)) == NULL) {
- ret = os_snprintf(buf, buflen, "FAIL\n");
- if (ret < 0 || (size_t) ret >= buflen)
- return 0;
- return ret;
- }
- return hostapd_ctrl_iface_sta_mib(hapd, sta->next, buf, buflen);
+ hapd->drv.sta_deauth(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
+ sta = ap_get_sta(hapd, addr);
+ if (sta)
+ ap_sta_deauthenticate(hapd, sta,
+ WLAN_REASON_PREV_AUTH_NOT_VALID);
+
+ return 0;
}
-static int hostapd_ctrl_iface_new_sta(struct hostapd_data *hapd,
- const char *txtaddr)
+static int hostapd_ctrl_iface_disassociate(struct hostapd_data *hapd,
+ const char *txtaddr)
{
u8 addr[ETH_ALEN];
struct sta_info *sta;
+ const char *pos;
- wpa_printf(MSG_DEBUG, "CTRL_IFACE NEW_STA %s", txtaddr);
+ wpa_printf(MSG_DEBUG, "CTRL_IFACE DISASSOCIATE %s", txtaddr);
if (hwaddr_aton(txtaddr, addr))
return -1;
- sta = ap_get_sta(hapd, addr);
- if (sta)
+ pos = os_strstr(txtaddr, " test=");
+ if (pos) {
+ struct ieee80211_mgmt mgmt;
+ int encrypt;
+ if (hapd->driver->send_frame == NULL)
+ return -1;
+ pos += 6;
+ encrypt = atoi(pos);
+ os_memset(&mgmt, 0, sizeof(mgmt));
+ mgmt.frame_control = IEEE80211_FC(WLAN_FC_TYPE_MGMT,
+ WLAN_FC_STYPE_DISASSOC);
+ os_memcpy(mgmt.da, addr, ETH_ALEN);
+ os_memcpy(mgmt.sa, hapd->own_addr, ETH_ALEN);
+ os_memcpy(mgmt.bssid, hapd->own_addr, ETH_ALEN);
+ mgmt.u.disassoc.reason_code =
+ host_to_le16(WLAN_REASON_PREV_AUTH_NOT_VALID);
+ if (hapd->driver->send_frame(hapd->drv_priv, (u8 *) &mgmt,
+ IEEE80211_HDRLEN +
+ sizeof(mgmt.u.deauth),
+ encrypt) < 0)
+ return -1;
return 0;
+ }
- wpa_printf(MSG_DEBUG, "Add new STA " MACSTR " based on ctrl_iface "
- "notification", MAC2STR(addr));
- sta = ap_sta_add(hapd, addr);
- if (sta == NULL)
- return -1;
+ hapd->drv.sta_disassoc(hapd, addr, WLAN_REASON_PREV_AUTH_NOT_VALID);
+ sta = ap_get_sta(hapd, addr);
+ if (sta)
+ ap_sta_disassociate(hapd, sta,
+ WLAN_REASON_PREV_AUTH_NOT_VALID);
- hostapd_new_assoc_sta(hapd, sta, 0);
return 0;
}
#ifdef CONFIG_IEEE80211W
+#ifdef NEED_AP_MLME
static int hostapd_ctrl_iface_sa_query(struct hostapd_data *hapd,
const char *txtaddr)
{
wpa_printf(MSG_DEBUG, "CTRL_IFACE SA_QUERY %s", txtaddr);
- if (hwaddr_aton(txtaddr, addr))
+ if (hwaddr_aton(txtaddr, addr) ||
+ os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN) < 0)
return -1;
- os_get_random(trans_id, WLAN_SA_QUERY_TR_ID_LEN);
ieee802_11_send_sa_query_req(hapd, addr, trans_id);
return 0;
}
+#endif /* NEED_AP_MLME */
#endif /* CONFIG_IEEE80211W */
static int hostapd_ctrl_iface_wps_pin(struct hostapd_data *hapd, char *txt)
{
char *pin = os_strchr(txt, ' ');
+ char *timeout_txt;
+ int timeout;
+
if (pin == NULL)
return -1;
*pin++ = '\0';
- return hostapd_wps_add_pin(hapd, txt, pin);
+
+ timeout_txt = os_strchr(pin, ' ');
+ if (timeout_txt) {
+ *timeout_txt++ = '\0';
+ timeout = atoi(timeout_txt);
+ } else
+ timeout = 0;
+
+ return hostapd_wps_add_pin(hapd, txt, pin, timeout);
}
else
reply_len += res;
}
+#ifndef CONFIG_NO_RADIUS
if (reply_len >= 0) {
res = radius_client_get_mib(hapd->radius,
reply + reply_len,
else
reply_len += res;
}
+#endif /* CONFIG_NO_RADIUS */
} else if (os_strcmp(buf, "STA-FIRST") == 0) {
reply_len = hostapd_ctrl_iface_sta_first(hapd, reply,
reply_size);
} else if (os_strncmp(buf, "NEW_STA ", 8) == 0) {
if (hostapd_ctrl_iface_new_sta(hapd, buf + 8))
reply_len = -1;
+ } else if (os_strncmp(buf, "DEAUTHENTICATE ", 15) == 0) {
+ if (hostapd_ctrl_iface_deauthenticate(hapd, buf + 15))
+ reply_len = -1;
+ } else if (os_strncmp(buf, "DISASSOCIATE ", 13) == 0) {
+ if (hostapd_ctrl_iface_disassociate(hapd, buf + 13))
+ reply_len = -1;
#ifdef CONFIG_IEEE80211W
+#ifdef NEED_AP_MLME
} else if (os_strncmp(buf, "SA_QUERY ", 9) == 0) {
if (hostapd_ctrl_iface_sa_query(hapd, buf + 9))
reply_len = -1;
+#endif /* NEED_AP_MLME */
#endif /* CONFIG_IEEE80211W */
#ifdef CONFIG_WPS
} else if (os_strncmp(buf, "WPS_PIN ", 8) == 0) {
}
os_memset(&addr, 0, sizeof(addr));
+#ifdef __FreeBSD__
+ addr.sun_len = sizeof(addr);
+#endif /* __FreeBSD__ */
addr.sun_family = AF_UNIX;
fname = hostapd_ctrl_iface_path(hapd);
if (fname == NULL)
goto fail;
os_strlcpy(addr.sun_path, fname, sizeof(addr.sun_path));
if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
- perror("bind(PF_UNIX)");
- goto fail;
+ wpa_printf(MSG_DEBUG, "ctrl_iface bind(PF_UNIX) failed: %s",
+ strerror(errno));
+ if (connect(s, (struct sockaddr *) &addr, sizeof(addr)) < 0) {
+ wpa_printf(MSG_DEBUG, "ctrl_iface exists, but does not"
+ " allow connections - assuming it was left"
+ "over from forced program termination");
+ if (unlink(fname) < 0) {
+ perror("unlink[ctrl_iface]");
+ wpa_printf(MSG_ERROR, "Could not unlink "
+ "existing ctrl_iface socket '%s'",
+ fname);
+ goto fail;
+ }
+ if (bind(s, (struct sockaddr *) &addr, sizeof(addr)) <
+ 0) {
+ perror("bind(PF_UNIX)");
+ goto fail;
+ }
+ wpa_printf(MSG_DEBUG, "Successfully replaced leftover "
+ "ctrl_iface socket '%s'", fname);
+ } else {
+ wpa_printf(MSG_INFO, "ctrl_iface exists and seems to "
+ "be in use - cannot override it");
+ wpa_printf(MSG_INFO, "Delete '%s' manually if it is "
+ "not used anymore", fname);
+ os_free(fname);
+ fname = NULL;
+ goto fail;
+ }
}
if (hapd->conf->ctrl_interface_gid_set &&
hapd->ctrl_sock = s;
eloop_register_read_sock(s, hostapd_ctrl_iface_receive, hapd,
NULL);
+ hapd->msg_ctx = hapd;
wpa_msg_register_cb(hostapd_ctrl_iface_msg_cb);
return 0;
next = dst->next;
if (level >= dst->debug_level) {
wpa_hexdump(MSG_DEBUG, "CTRL_IFACE monitor send",
- (u8 *) dst->addr.sun_path, dst->addrlen);
+ (u8 *) dst->addr.sun_path, dst->addrlen -
+ offsetof(struct sockaddr_un, sun_path));
msg.msg_name = &dst->addr;
msg.msg_namelen = dst->addrlen;
if (sendmsg(hapd->ctrl_sock, &msg, 0) < 0) {
- fprintf(stderr, "CTRL_IFACE monitor[%d]: ",
- idx);
- perror("sendmsg");
+ int _errno = errno;
+ wpa_printf(MSG_INFO, "CTRL_IFACE monitor[%d]: "
+ "%d - %s",
+ idx, errno, strerror(errno));
dst->errors++;
- if (dst->errors > 10) {
+ if (dst->errors > 10 || _errno == ENOENT) {
hostapd_ctrl_iface_detach(
hapd, &dst->addr,
dst->addrlen);