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-rw-r--r--hostapd/mlme.c180
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diff --git a/hostapd/mlme.c b/hostapd/mlme.c
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+/*
+ * hostapd / IEEE 802.11 MLME
+ * Copyright 2003-2006, Jouni Malinen <j@w1.fi>
+ * Copyright 2003-2004, Instant802 Networks, Inc.
+ * Copyright 2005-2006, Devicescape Software, Inc.
+ *
+ * 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 "ieee802_11.h"
+#include "wpa.h"
+#include "mlme.h"
+
+
+static const char * mlme_auth_alg_str(int alg)
+{
+ switch (alg) {
+ case WLAN_AUTH_OPEN:
+ return "OPEN_SYSTEM";
+ case WLAN_AUTH_SHARED_KEY:
+ return "SHARED_KEY";
+ case WLAN_AUTH_FT:
+ return "FT";
+ }
+
+ return "unknown";
+}
+
+
+/**
+ * mlme_authenticate_indication - Report the establishment of an authentication
+ * relationship with a specific peer MAC entity
+ * @hapd: BSS data
+ * @sta: peer STA data
+ *
+ * MLME calls this function as a result of the establishment of an
+ * authentication relationship with a specific peer MAC entity that
+ * resulted from an authentication procedure that was initiated by
+ * that specific peer MAC entity.
+ *
+ * PeerSTAAddress = sta->addr
+ * AuthenticationType = sta->auth_alg (WLAN_AUTH_OPEN / WLAN_AUTH_SHARED_KEY)
+ */
+void mlme_authenticate_indication(struct hostapd_data *hapd,
+ struct sta_info *sta)
+{
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+ HOSTAPD_LEVEL_DEBUG,
+ "MLME-AUTHENTICATE.indication(" MACSTR ", %s)",
+ MAC2STR(sta->addr), mlme_auth_alg_str(sta->auth_alg));
+ if (sta->auth_alg != WLAN_AUTH_FT)
+ mlme_deletekeys_request(hapd, sta);
+}
+
+
+/**
+ * mlme_deauthenticate_indication - Report the invalidation of an
+ * authentication relationship with a specific peer MAC entity
+ * @hapd: BSS data
+ * @sta: Peer STA data
+ * @reason_code: ReasonCode from Deauthentication frame
+ *
+ * MLME calls this function as a result of the invalidation of an
+ * authentication relationship with a specific peer MAC entity.
+ *
+ * PeerSTAAddress = sta->addr
+ */
+void mlme_deauthenticate_indication(struct hostapd_data *hapd,
+ struct sta_info *sta, u16 reason_code)
+{
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+ HOSTAPD_LEVEL_DEBUG,
+ "MLME-DEAUTHENTICATE.indication(" MACSTR ", %d)",
+ MAC2STR(sta->addr), reason_code);
+ mlme_deletekeys_request(hapd, sta);
+}
+
+
+/**
+ * mlme_associate_indication - Report the establishment of an association with
+ * a specific peer MAC entity
+ * @hapd: BSS data
+ * @sta: peer STA data
+ *
+ * MLME calls this function as a result of the establishment of an
+ * association with a specific peer MAC entity that resulted from an
+ * association procedure that was initiated by that specific peer MAC entity.
+ *
+ * PeerSTAAddress = sta->addr
+ */
+void mlme_associate_indication(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+ HOSTAPD_LEVEL_DEBUG,
+ "MLME-ASSOCIATE.indication(" MACSTR ")",
+ MAC2STR(sta->addr));
+ if (sta->auth_alg != WLAN_AUTH_FT)
+ mlme_deletekeys_request(hapd, sta);
+}
+
+
+/**
+ * mlme_reassociate_indication - Report the establishment of an reassociation
+ * with a specific peer MAC entity
+ * @hapd: BSS data
+ * @sta: peer STA data
+ *
+ * MLME calls this function as a result of the establishment of an
+ * reassociation with a specific peer MAC entity that resulted from a
+ * reassociation procedure that was initiated by that specific peer MAC entity.
+ *
+ * PeerSTAAddress = sta->addr
+ *
+ * sta->previous_ap contains the "Current AP" information from ReassocReq.
+ */
+void mlme_reassociate_indication(struct hostapd_data *hapd,
+ struct sta_info *sta)
+{
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+ HOSTAPD_LEVEL_DEBUG,
+ "MLME-REASSOCIATE.indication(" MACSTR ")",
+ MAC2STR(sta->addr));
+ if (sta->auth_alg != WLAN_AUTH_FT)
+ mlme_deletekeys_request(hapd, sta);
+}
+
+
+/**
+ * mlme_disassociate_indication - Report disassociation with a specific peer
+ * MAC entity
+ * @hapd: BSS data
+ * @sta: Peer STA data
+ * @reason_code: ReasonCode from Disassociation frame
+ *
+ * MLME calls this function as a result of the invalidation of an association
+ * relationship with a specific peer MAC entity.
+ *
+ * PeerSTAAddress = sta->addr
+ */
+void mlme_disassociate_indication(struct hostapd_data *hapd,
+ struct sta_info *sta, u16 reason_code)
+{
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+ HOSTAPD_LEVEL_DEBUG,
+ "MLME-DISASSOCIATE.indication(" MACSTR ", %d)",
+ MAC2STR(sta->addr), reason_code);
+ mlme_deletekeys_request(hapd, sta);
+}
+
+
+void mlme_michaelmicfailure_indication(struct hostapd_data *hapd,
+ const u8 *addr)
+{
+ hostapd_logger(hapd, addr, HOSTAPD_MODULE_MLME,
+ HOSTAPD_LEVEL_DEBUG,
+ "MLME-MichaelMICFailure.indication(" MACSTR ")",
+ MAC2STR(addr));
+}
+
+
+void mlme_deletekeys_request(struct hostapd_data *hapd, struct sta_info *sta)
+{
+ hostapd_logger(hapd, sta->addr, HOSTAPD_MODULE_MLME,
+ HOSTAPD_LEVEL_DEBUG,
+ "MLME-DELETEKEYS.request(" MACSTR ")",
+ MAC2STR(sta->addr));
+
+ if (sta->wpa_sm)
+ wpa_remove_ptk(sta->wpa_sm);
+}