hostap/hostapd/ap_drv_ops.c
2009-12-24 23:17:11 +02:00

162 lines
4.5 KiB
C

/*
* hostapd - Driver operations
* Copyright (c) 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 "common.h"
#include "hostapd.h"
#include "sta_info.h"
#include "driver_i.h"
static int hostapd_sta_flags_to_drv(int flags)
{
int res = 0;
if (flags & WLAN_STA_AUTHORIZED)
res |= WPA_STA_AUTHORIZED;
if (flags & WLAN_STA_WMM)
res |= WPA_STA_WMM;
if (flags & WLAN_STA_SHORT_PREAMBLE)
res |= WPA_STA_SHORT_PREAMBLE;
if (flags & WLAN_STA_MFP)
res |= WPA_STA_MFP;
return res;
}
static int hostapd_set_ap_wps_ie(struct hostapd_data *hapd,
const struct wpabuf *beacon,
const struct wpabuf *proberesp)
{
if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
return 0;
return hapd->driver->set_ap_wps_ie(hapd->conf->iface, hapd->drv_priv,
beacon, proberesp);
}
static int hostapd_send_mgmt_frame(struct hostapd_data *hapd, const void *msg,
size_t len)
{
if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
return 0;
return hapd->driver->send_mlme(hapd->drv_priv, msg, len);
}
static int hostapd_send_eapol(struct hostapd_data *hapd, const u8 *addr,
const u8 *data, size_t data_len, int encrypt)
{
if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
return 0;
return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
data_len, encrypt,
hapd->own_addr);
}
static int hostapd_set_authorized(struct hostapd_data *hapd,
struct sta_info *sta, int authorized)
{
if (authorized) {
return hostapd_sta_set_flags(hapd, sta->addr,
hostapd_sta_flags_to_drv(
sta->flags),
WPA_STA_AUTHORIZED, ~0);
}
return hostapd_sta_set_flags(hapd, sta->addr,
hostapd_sta_flags_to_drv(sta->flags),
0, ~WPA_STA_AUTHORIZED);
}
static int hostapd_set_key(const char *ifname, struct hostapd_data *hapd,
wpa_alg alg, const u8 *addr, int key_idx,
int set_tx, const u8 *seq, size_t seq_len,
const u8 *key, size_t key_len)
{
if (hapd->driver == NULL || hapd->driver->set_key == NULL)
return 0;
return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
key_idx, set_tx, seq, seq_len, key,
key_len);
}
static int hostapd_read_sta_data(struct hostapd_data *hapd,
struct hostap_sta_driver_data *data,
const u8 *addr)
{
if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
return -1;
return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
}
static int hostapd_sta_clear_stats(struct hostapd_data *hapd, const u8 *addr)
{
if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
return 0;
return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
}
static int hostapd_set_sta_flags(struct hostapd_data *hapd,
struct sta_info *sta)
{
int set_flags, total_flags, flags_and, flags_or;
total_flags = hostapd_sta_flags_to_drv(sta->flags);
set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
if (!hapd->conf->ieee802_1x && !hapd->conf->wpa &&
sta->flags & WLAN_STA_AUTHORIZED)
set_flags |= WPA_STA_AUTHORIZED;
flags_or = total_flags & set_flags;
flags_and = total_flags | ~set_flags;
return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
flags_or, flags_and);
}
static int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd,
const char *ifname, int enabled)
{
struct wpa_bss_params params;
os_memset(&params, 0, sizeof(params));
params.ifname = ifname;
params.enabled = enabled;
if (enabled) {
params.wpa = hapd->conf->wpa;
params.ieee802_1x = hapd->conf->ieee802_1x;
params.wpa_group = hapd->conf->wpa_group;
params.wpa_pairwise = hapd->conf->wpa_pairwise;
params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
params.rsn_preauth = hapd->conf->rsn_preauth;
}
return hostapd_set_ieee8021x(hapd, &params);
}
void hostapd_set_driver_ops(struct hostapd_driver_ops *ops)
{
ops->set_ap_wps_ie = hostapd_set_ap_wps_ie;
ops->send_mgmt_frame = hostapd_send_mgmt_frame;
ops->send_eapol = hostapd_send_eapol;
ops->set_authorized = hostapd_set_authorized;
ops->set_key = hostapd_set_key;
ops->read_sta_data = hostapd_read_sta_data;
ops->sta_clear_stats = hostapd_sta_clear_stats;
ops->set_sta_flags = hostapd_set_sta_flags;
ops->set_drv_ieee8021x = hostapd_set_drv_ieee8021x;
}