186 lines
5.2 KiB
C
186 lines
5.2 KiB
C
/*
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* hostapd - Driver operations
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* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#include "includes.h"
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#include "common.h"
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#include "hostapd.h"
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#include "sta_info.h"
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#include "driver_i.h"
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static int hostapd_sta_flags_to_drv(int flags)
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{
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int res = 0;
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if (flags & WLAN_STA_AUTHORIZED)
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res |= WPA_STA_AUTHORIZED;
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if (flags & WLAN_STA_WMM)
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res |= WPA_STA_WMM;
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if (flags & WLAN_STA_SHORT_PREAMBLE)
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res |= WPA_STA_SHORT_PREAMBLE;
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if (flags & WLAN_STA_MFP)
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res |= WPA_STA_MFP;
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return res;
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}
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static int hostapd_set_ap_wps_ie(struct hostapd_data *hapd,
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const struct wpabuf *beacon,
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const struct wpabuf *proberesp)
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{
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if (hapd->driver == NULL || hapd->driver->set_ap_wps_ie == NULL)
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return 0;
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return hapd->driver->set_ap_wps_ie(hapd->conf->iface, hapd->drv_priv,
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beacon, proberesp);
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}
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static int hostapd_send_mgmt_frame(struct hostapd_data *hapd, const void *msg,
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size_t len)
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{
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if (hapd->driver == NULL || hapd->driver->send_mlme == NULL)
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return 0;
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return hapd->driver->send_mlme(hapd->drv_priv, msg, len);
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}
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static int hostapd_send_eapol(struct hostapd_data *hapd, const u8 *addr,
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const u8 *data, size_t data_len, int encrypt)
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{
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if (hapd->driver == NULL || hapd->driver->hapd_send_eapol == NULL)
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return 0;
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return hapd->driver->hapd_send_eapol(hapd->drv_priv, addr, data,
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data_len, encrypt,
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hapd->own_addr);
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}
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static int hostapd_set_authorized(struct hostapd_data *hapd,
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struct sta_info *sta, int authorized)
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{
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if (authorized) {
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return hostapd_sta_set_flags(hapd, sta->addr,
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hostapd_sta_flags_to_drv(
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sta->flags),
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WPA_STA_AUTHORIZED, ~0);
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}
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return hostapd_sta_set_flags(hapd, sta->addr,
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hostapd_sta_flags_to_drv(sta->flags),
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0, ~WPA_STA_AUTHORIZED);
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}
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static int hostapd_set_key(const char *ifname, struct hostapd_data *hapd,
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wpa_alg alg, const u8 *addr, int key_idx,
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int set_tx, const u8 *seq, size_t seq_len,
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const u8 *key, size_t key_len)
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{
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if (hapd->driver == NULL || hapd->driver->set_key == NULL)
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return 0;
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return hapd->driver->set_key(ifname, hapd->drv_priv, alg, addr,
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key_idx, set_tx, seq, seq_len, key,
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key_len);
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}
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static int hostapd_read_sta_data(struct hostapd_data *hapd,
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struct hostap_sta_driver_data *data,
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const u8 *addr)
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{
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if (hapd->driver == NULL || hapd->driver->read_sta_data == NULL)
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return -1;
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return hapd->driver->read_sta_data(hapd->drv_priv, data, addr);
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}
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static int hostapd_sta_clear_stats(struct hostapd_data *hapd, const u8 *addr)
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{
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if (hapd->driver == NULL || hapd->driver->sta_clear_stats == NULL)
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return 0;
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return hapd->driver->sta_clear_stats(hapd->drv_priv, addr);
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}
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static int hostapd_set_sta_flags(struct hostapd_data *hapd,
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struct sta_info *sta)
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{
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int set_flags, total_flags, flags_and, flags_or;
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total_flags = hostapd_sta_flags_to_drv(sta->flags);
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set_flags = WPA_STA_SHORT_PREAMBLE | WPA_STA_WMM | WPA_STA_MFP;
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if (!hapd->conf->ieee802_1x && !hapd->conf->wpa &&
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sta->flags & WLAN_STA_AUTHORIZED)
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set_flags |= WPA_STA_AUTHORIZED;
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flags_or = total_flags & set_flags;
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flags_and = total_flags | ~set_flags;
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return hostapd_sta_set_flags(hapd, sta->addr, total_flags,
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flags_or, flags_and);
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}
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static int hostapd_set_drv_ieee8021x(struct hostapd_data *hapd,
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const char *ifname, int enabled)
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{
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struct wpa_bss_params params;
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os_memset(¶ms, 0, sizeof(params));
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params.ifname = ifname;
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params.enabled = enabled;
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if (enabled) {
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params.wpa = hapd->conf->wpa;
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params.ieee802_1x = hapd->conf->ieee802_1x;
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params.wpa_group = hapd->conf->wpa_group;
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params.wpa_pairwise = hapd->conf->wpa_pairwise;
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params.wpa_key_mgmt = hapd->conf->wpa_key_mgmt;
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params.rsn_preauth = hapd->conf->rsn_preauth;
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}
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return hostapd_set_ieee8021x(hapd, ¶ms);
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}
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static int hostapd_set_radius_acl_auth(struct hostapd_data *hapd,
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const u8 *mac, int accepted,
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u32 session_timeout)
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{
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if (hapd->driver == NULL || hapd->driver->set_radius_acl_auth == NULL)
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return 0;
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return hapd->driver->set_radius_acl_auth(hapd->drv_priv, mac, accepted,
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session_timeout);
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}
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static int hostapd_set_radius_acl_expire(struct hostapd_data *hapd,
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const u8 *mac)
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{
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if (hapd->driver == NULL ||
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hapd->driver->set_radius_acl_expire == NULL)
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return 0;
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return hapd->driver->set_radius_acl_expire(hapd->drv_priv, mac);
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}
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void hostapd_set_driver_ops(struct hostapd_driver_ops *ops)
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{
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ops->set_ap_wps_ie = hostapd_set_ap_wps_ie;
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ops->send_mgmt_frame = hostapd_send_mgmt_frame;
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ops->send_eapol = hostapd_send_eapol;
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ops->set_authorized = hostapd_set_authorized;
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ops->set_key = hostapd_set_key;
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ops->read_sta_data = hostapd_read_sta_data;
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ops->sta_clear_stats = hostapd_sta_clear_stats;
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ops->set_sta_flags = hostapd_set_sta_flags;
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ops->set_drv_ieee8021x = hostapd_set_drv_ieee8021x;
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ops->set_radius_acl_auth = hostapd_set_radius_acl_auth;
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ops->set_radius_acl_expire = hostapd_set_radius_acl_expire;
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}
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