sta_info.o wpa.o ctrl_iface.o \
drivers.o preauth.o pmksa_cache.o \
hw_features.o \
+ drv_callbacks.o \
tkip_countermeasures.o \
mlme.o vlan_init.o wpa_auth_ie.o
--- /dev/null
+/*
+ * hostapd / Callback functions for driver wrappers
+ * Copyright (c) 2002-2009, 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
+ * published by the Free Software Foundation.
+ *
+ * Alternatively, this software may be distributed under the terms of BSD
+ * license.
+ *
+ * See README and COPYING for more details.
+ */
+
+#include "includes.h"
+
+#include "hostapd.h"
+#include "driver_i.h"
+#include "ieee802_11.h"
+#include "radius/radius.h"
+#include "sta_info.h"
+#include "accounting.h"
+#include "tkip_countermeasures.h"
+#include "ieee802_1x.h"
+#include "wpa.h"
+#include "iapp.h"
+#include "wme.h"
+
+
+struct prune_data {
+ struct hostapd_data *hapd;
+ const u8 *addr;
+};
+
+static int prune_associations(struct hostapd_iface *iface, void *ctx)
+{
+ struct prune_data *data = ctx;
+ struct sta_info *osta;
+ struct hostapd_data *ohapd;
+ size_t j;
+
+ for (j = 0; j < iface->num_bss; j++) {
+ ohapd = iface->bss[j];
+ if (ohapd == data->hapd)
+ continue;
+ osta = ap_get_sta(ohapd, data->addr);
+ if (!osta)
+ continue;
+
+ ap_sta_disassociate(ohapd, osta, WLAN_REASON_UNSPECIFIED);
+ }
+
+ return 0;
+}
+
+/**
+ * hostapd_prune_associations - Remove extraneous associations
+ * @hapd: Pointer to BSS data for the most recent association
+ * @sta: Pointer to the associated STA data
+ *
+ * This function looks through all radios and BSS's for previous
+ * (stale) associations of STA. If any are found they are removed.
+ */
+static void hostapd_prune_associations(struct hostapd_data *hapd,
+ struct sta_info *sta)
+{
+ struct prune_data data;
+ data.hapd = hapd;
+ data.addr = sta->addr;
+ hostapd_for_each_interface(prune_associations, &data);
+}
+
+
+/**
+ * hostapd_new_assoc_sta - Notify that a new station associated with the AP
+ * @hapd: Pointer to BSS data
+ * @sta: Pointer to the associated STA data
+ * @reassoc: 1 to indicate this was a re-association; 0 = first association
+ *
+ * This function will be called whenever a station associates with the AP. It
+ * can be called from ieee802_11.c for drivers that export MLME to hostapd and
+ * from driver_*.c for drivers that take care of management frames (IEEE 802.11
+ * authentication and association) internally.
+ */
+void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
+ int reassoc)
+{
+ if (hapd->tkip_countermeasures) {
+ hostapd_sta_deauth(hapd, sta->addr,
+ WLAN_REASON_MICHAEL_MIC_FAILURE);
+ return;
+ }
+
+ hostapd_prune_associations(hapd, sta);
+
+ /* IEEE 802.11F (IAPP) */
+ if (hapd->conf->ieee802_11f)
+ iapp_new_station(hapd->iapp, sta);
+
+ /* Start accounting here, if IEEE 802.1X and WPA are not used.
+ * IEEE 802.1X/WPA code will start accounting after the station has
+ * been authorized. */
+ if (!hapd->conf->ieee802_1x && !hapd->conf->wpa)
+ accounting_sta_start(hapd, sta);
+
+ hostapd_wme_sta_config(hapd, sta);
+
+ /* Start IEEE 802.1X authentication process for new stations */
+ ieee802_1x_new_station(hapd, sta);
+ if (reassoc) {
+ if (sta->auth_alg != WLAN_AUTH_FT &&
+ !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)))
+ wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH);
+ } else
+ wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
+}
+
+
+void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
+ const u8 *buf, size_t len, int ack)
+{
+ struct sta_info *sta;
+
+ sta = ap_get_sta(hapd, addr);
+ if (sta && sta->flags & WLAN_STA_PENDING_POLL) {
+ wpa_printf(MSG_DEBUG, "STA " MACSTR " %s pending "
+ "activity poll", MAC2STR(sta->addr),
+ ack ? "ACKed" : "did not ACK");
+ if (ack)
+ sta->flags &= ~WLAN_STA_PENDING_POLL;
+ }
+ if (sta)
+ ieee802_1x_tx_status(hapd, sta, buf, len, ack);
+}
+
+
+void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, const u8 *addr)
+{
+ struct sta_info *sta;
+
+ sta = ap_get_sta(hapd, addr);
+ if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
+ wpa_printf(MSG_DEBUG, "Data/PS-poll frame from not associated "
+ "STA " MACSTR, MAC2STR(addr));
+ if (sta && (sta->flags & WLAN_STA_AUTH))
+ hostapd_sta_disassoc(
+ hapd, addr,
+ WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
+ else
+ hostapd_sta_deauth(
+ hapd, addr,
+ WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
+ }
+}
+
+
+int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
+ const u8 *ie, size_t ielen)
+{
+ struct sta_info *sta;
+ int new_assoc, res;
+
+ hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO, "associated");
+
+ sta = ap_get_sta(hapd, addr);
+ if (sta) {
+ accounting_sta_stop(hapd, sta);
+ } else {
+ sta = ap_sta_add(hapd, addr);
+ if (sta == NULL)
+ return -1;
+ }
+ sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
+
+ if (hapd->conf->wpa) {
+ if (ie == NULL || ielen == 0) {
+ if (hapd->conf->wps_state) {
+ wpa_printf(MSG_DEBUG, "STA did not include "
+ "WPA/RSN IE in (Re)Association "
+ "Request - possible WPS use");
+ sta->flags |= WLAN_STA_MAYBE_WPS;
+ goto skip_wpa_check;
+ }
+
+ wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
+ return -1;
+ }
+ if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
+ os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
+ sta->flags |= WLAN_STA_WPS;
+ goto skip_wpa_check;
+ }
+
+ if (sta->wpa_sm == NULL)
+ sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
+ sta->addr);
+ if (sta->wpa_sm == NULL) {
+ wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
+ "machine");
+ return -1;
+ }
+ res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
+ ie, ielen, NULL, 0);
+ if (res != WPA_IE_OK) {
+ wpa_printf(MSG_DEBUG, "WPA/RSN information element "
+ "rejected? (res %u)", res);
+ wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
+ return -1;
+ }
+ }
+skip_wpa_check:
+
+ new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
+ sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
+ wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
+
+ hostapd_new_assoc_sta(hapd, sta, !new_assoc);
+
+ ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
+
+ return 0;
+}
+
+
+void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
+{
+ struct sta_info *sta;
+
+ hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
+ HOSTAPD_LEVEL_INFO, "disassociated");
+
+ sta = ap_get_sta(hapd, addr);
+ if (sta == NULL) {
+ wpa_printf(MSG_DEBUG, "Disassociation notification for "
+ "unknown STA " MACSTR, MAC2STR(addr));
+ return;
+ }
+
+ sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
+ wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
+ sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
+ ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
+ ap_free_sta(hapd, sta);
+}
+
+
+void hostapd_eapol_receive(struct hostapd_data *hapd, const u8 *sa,
+ const u8 *buf, size_t len)
+{
+ ieee802_1x_receive(hapd, sa, buf, len);
+}
+
+
+void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf, size_t len,
+ u16 stype, struct hostapd_frame_info *fi)
+{
+ ieee802_11_mgmt(hapd, buf, len, stype, fi);
+}
+
+
+void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
+ u16 stype, int ok)
+{
+ ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
+}
+
+
+void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr)
+{
+ michael_mic_failure(hapd, addr, 1);
+}
#include "eloop.h"
#include "hostapd.h"
#include "ieee802_1x.h"
-#include "ieee802_11.h"
#include "beacon.h"
#include "hw_features.h"
#include "accounting.h"
#include "driver_i.h"
#include "radius/radius_client.h"
#include "radius/radius_server.h"
-#include "radius/radius.h"
#include "wpa.h"
#include "preauth.h"
-#include "wme.h"
#include "vlan_init.h"
#include "ctrl_iface.h"
#include "tls.h"
extern int wpa_debug_timestamp;
+int hostapd_for_each_interface(int (*cb)(struct hostapd_iface *iface,
+ void *ctx), void *ctx)
+{
+ struct hapd_interfaces *interfaces = eloop_get_user_data();
+ size_t i;
+ int ret;
+
+ for (i = 0; i < interfaces->count; i++) {
+ ret = cb(interfaces->iface[i], ctx);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+
static void hostapd_logger_cb(void *ctx, const u8 *addr, unsigned int module,
int level, const char *txt, size_t len)
{
}
-/**
- * hostapd_prune_associations - Remove extraneous associations
- * @hapd: Pointer to BSS data for the most recent association
- * @sta: Pointer to the associated STA data
- *
- * This function looks through all radios and BSS's for previous
- * (stale) associations of STA. If any are found they are removed.
- */
-static void hostapd_prune_associations(struct hostapd_data *hapd,
- struct sta_info *sta)
-{
- struct sta_info *osta;
- struct hostapd_data *ohapd;
- size_t i, j;
- struct hapd_interfaces *interfaces = eloop_get_user_data();
-
- for (i = 0; i < interfaces->count; i++) {
- for (j = 0; j < interfaces->iface[i]->num_bss; j++) {
- ohapd = interfaces->iface[i]->bss[j];
- if (ohapd == hapd)
- continue;
- osta = ap_get_sta(ohapd, sta->addr);
- if (!osta)
- continue;
-
- ap_sta_disassociate(ohapd, osta,
- WLAN_REASON_UNSPECIFIED);
- }
- }
-}
-
-
-/**
- * hostapd_new_assoc_sta - Notify that a new station associated with the AP
- * @hapd: Pointer to BSS data
- * @sta: Pointer to the associated STA data
- * @reassoc: 1 to indicate this was a re-association; 0 = first association
- *
- * This function will be called whenever a station associates with the AP. It
- * can be called for ieee802_11.c for drivers that export MLME to hostapd and
- * from driver_*.c for drivers that take care of management frames (IEEE 802.11
- * authentication and association) internally.
- */
-void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
- int reassoc)
-{
- if (hapd->tkip_countermeasures) {
- hostapd_sta_deauth(hapd, sta->addr,
- WLAN_REASON_MICHAEL_MIC_FAILURE);
- return;
- }
-
- hostapd_prune_associations(hapd, sta);
-
- /* IEEE 802.11F (IAPP) */
- if (hapd->conf->ieee802_11f)
- iapp_new_station(hapd->iapp, sta);
-
- /* Start accounting here, if IEEE 802.1X and WPA are not used.
- * IEEE 802.1X/WPA code will start accounting after the station has
- * been authorized. */
- if (!hapd->conf->ieee802_1x && !hapd->conf->wpa)
- accounting_sta_start(hapd, sta);
-
- hostapd_wme_sta_config(hapd, sta);
-
- /* Start IEEE 802.1X authentication process for new stations */
- ieee802_1x_new_station(hapd, sta);
- if (reassoc) {
- if (sta->auth_alg != WLAN_AUTH_FT &&
- !(sta->flags & (WLAN_STA_WPS | WLAN_STA_MAYBE_WPS)))
- wpa_auth_sm_event(sta->wpa_sm, WPA_REAUTH);
- } else
- wpa_auth_sta_associated(hapd->wpa_auth, sta->wpa_sm);
-}
-
-
-void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
- const u8 *buf, size_t len, int ack)
-{
- struct sta_info *sta;
-
- sta = ap_get_sta(hapd, addr);
- if (sta && sta->flags & WLAN_STA_PENDING_POLL) {
- wpa_printf(MSG_DEBUG, "STA " MACSTR " %s pending "
- "activity poll", MAC2STR(sta->addr),
- ack ? "ACKed" : "did not ACK");
- if (ack)
- sta->flags &= ~WLAN_STA_PENDING_POLL;
- }
- if (sta)
- ieee802_1x_tx_status(hapd, sta, buf, len, ack);
-}
-
-
-void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, const u8 *addr)
-{
- struct sta_info *sta;
-
- sta = ap_get_sta(hapd, addr);
- if (!sta || !(sta->flags & WLAN_STA_ASSOC)) {
- wpa_printf(MSG_DEBUG, "Data/PS-poll frame from not associated "
- "STA " MACSTR, MAC2STR(addr));
- if (sta && (sta->flags & WLAN_STA_AUTH))
- hostapd_sta_disassoc(
- hapd, addr,
- WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
- else
- hostapd_sta_deauth(
- hapd, addr,
- WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA);
- }
-}
-
-
-int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
- const u8 *ie, size_t ielen)
-{
- struct sta_info *sta;
- int new_assoc, res;
-
- hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_INFO, "associated");
-
- sta = ap_get_sta(hapd, addr);
- if (sta) {
- accounting_sta_stop(hapd, sta);
- } else {
- sta = ap_sta_add(hapd, addr);
- if (sta == NULL)
- return -1;
- }
- sta->flags &= ~(WLAN_STA_WPS | WLAN_STA_MAYBE_WPS);
-
- if (hapd->conf->wpa) {
- if (ie == NULL || ielen == 0) {
- if (hapd->conf->wps_state) {
- wpa_printf(MSG_DEBUG, "STA did not include "
- "WPA/RSN IE in (Re)Association "
- "Request - possible WPS use");
- sta->flags |= WLAN_STA_MAYBE_WPS;
- goto skip_wpa_check;
- }
-
- wpa_printf(MSG_DEBUG, "No WPA/RSN IE from STA");
- return -1;
- }
- if (hapd->conf->wps_state && ie[0] == 0xdd && ie[1] >= 4 &&
- os_memcmp(ie + 2, "\x00\x50\xf2\x04", 4) == 0) {
- sta->flags |= WLAN_STA_WPS;
- goto skip_wpa_check;
- }
-
- if (sta->wpa_sm == NULL)
- sta->wpa_sm = wpa_auth_sta_init(hapd->wpa_auth,
- sta->addr);
- if (sta->wpa_sm == NULL) {
- wpa_printf(MSG_ERROR, "Failed to initialize WPA state "
- "machine");
- return -1;
- }
- res = wpa_validate_wpa_ie(hapd->wpa_auth, sta->wpa_sm,
- ie, ielen, NULL, 0);
- if (res != WPA_IE_OK) {
- wpa_printf(MSG_DEBUG, "WPA/RSN information element "
- "rejected? (res %u)", res);
- wpa_hexdump(MSG_DEBUG, "IE", ie, ielen);
- return -1;
- }
- }
-skip_wpa_check:
-
- new_assoc = (sta->flags & WLAN_STA_ASSOC) == 0;
- sta->flags |= WLAN_STA_AUTH | WLAN_STA_ASSOC;
- wpa_auth_sm_event(sta->wpa_sm, WPA_ASSOC);
-
- hostapd_new_assoc_sta(hapd, sta, !new_assoc);
-
- ieee802_1x_notify_port_enabled(sta->eapol_sm, 1);
-
- return 0;
-}
-
-
-void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr)
-{
- struct sta_info *sta;
-
- hostapd_logger(hapd, addr, HOSTAPD_MODULE_IEEE80211,
- HOSTAPD_LEVEL_INFO, "disassociated");
-
- sta = ap_get_sta(hapd, addr);
- if (sta == NULL) {
- wpa_printf(MSG_DEBUG, "Disassociation notification for "
- "unknown STA " MACSTR, MAC2STR(addr));
- return;
- }
-
- sta->flags &= ~(WLAN_STA_AUTH | WLAN_STA_ASSOC);
- wpa_auth_sm_event(sta->wpa_sm, WPA_DISASSOC);
- sta->acct_terminate_cause = RADIUS_ACCT_TERMINATE_CAUSE_USER_REQUEST;
- ieee802_1x_notify_port_enabled(sta->eapol_sm, 0);
- ap_free_sta(hapd, sta);
-}
-
-
-void hostapd_eapol_receive(struct hostapd_data *hapd, const u8 *sa,
- const u8 *buf, size_t len)
-{
- ieee802_1x_receive(hapd, sa, buf, len);
-}
-
-
-void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf, size_t len,
- u16 stype, struct hostapd_frame_info *fi)
-{
- ieee802_11_mgmt(hapd, buf, len, stype, fi);
-}
-
-
-void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
- u16 stype, int ok)
-{
- ieee802_11_mgmt_cb(hapd, buf, len, stype, ok);
-}
-
-
-void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr)
-{
- michael_mic_failure(hapd, addr, 1);
-}
-
-
#ifdef EAP_SERVER
static int hostapd_sim_db_cb_sta(struct hostapd_data *hapd,
struct sta_info *sta, void *ctx)
};
int hostapd_reload_config(struct hostapd_iface *iface);
+int hostapd_for_each_interface(int (*cb)(struct hostapd_iface *iface,
+ void *ctx), void *ctx);
#endif /* HOSTAPD_H */
projects / libeap.git / commitdiff