hostap/src/ap/ap_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 software may be distributed under the terms of the BSD license.
* See README for more details.
*/
#include "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_defs.h"
#include "ieee802_11.h"
#include "wpa_auth.h"
#include "sta_info.h"
#include "ap_mlme.h"
#include "hostapd.h"
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#ifndef CONFIG_NO_HOSTAPD_LOGGER
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";
}
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#endif /* CONFIG_NO_HOSTAPD_LOGGER */
/**
* 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 && !(sta->flags & WLAN_STA_MFP))
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);
if (!hapd->iface->driver_ap_teardown)
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
*/
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);
}