hostap/wlantest/sta.c

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/*
* STA list
* Copyright (c) 2010, 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 "utils/includes.h"
#include "utils/common.h"
#include "common/ieee802_11_common.h"
#include "wlantest.h"
struct wlantest_sta * sta_get(struct wlantest_bss *bss, const u8 *addr)
{
struct wlantest_sta *sta;
if (addr[0] & 0x01)
return NULL; /* Skip group addressed frames */
dl_list_for_each(sta, &bss->sta, struct wlantest_sta, list) {
if (os_memcmp(sta->addr, addr, ETH_ALEN) == 0)
return sta;
}
sta = os_zalloc(sizeof(*sta));
if (sta == NULL)
return NULL;
os_memcpy(sta->addr, addr, ETH_ALEN);
dl_list_add(&bss->sta, &sta->list);
wpa_printf(MSG_DEBUG, "Discovered new STA " MACSTR " in BSS " MACSTR,
MAC2STR(sta->addr), MAC2STR(bss->bssid));
return sta;
}
void sta_deinit(struct wlantest_sta *sta)
{
dl_list_del(&sta->list);
os_free(sta);
}
void sta_update_assoc(struct wlantest_sta *sta, struct ieee802_11_elems *elems)
{
if (elems->wpa_ie && elems->rsn_ie) {
wpa_printf(MSG_INFO, "Both WPA IE and RSN IE included in "
"Association Request frame from " MACSTR,
MAC2STR(sta->addr));
}
if (elems->rsn_ie) {
wpa_hexdump(MSG_DEBUG, "RSN IE", elems->rsn_ie - 2,
elems->rsn_ie_len + 2);
os_memcpy(sta->rsnie, elems->rsn_ie - 2,
elems->rsn_ie_len + 2);
} else if (elems->wpa_ie) {
wpa_hexdump(MSG_DEBUG, "WPA IE", elems->wpa_ie - 2,
elems->wpa_ie_len + 2);
os_memcpy(sta->rsnie, elems->wpa_ie - 2,
elems->wpa_ie_len + 2);
} else
sta->rsnie[0] = 0;
}