mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-25 00:38:24 -05:00
73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
/*
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* STA list
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* Copyright (c) 2010, 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 "utils/includes.h"
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#include "utils/common.h"
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#include "common/ieee802_11_common.h"
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#include "wlantest.h"
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struct wlantest_sta * sta_get(struct wlantest_bss *bss, const u8 *addr)
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{
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struct wlantest_sta *sta;
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if (addr[0] & 0x01)
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return NULL; /* Skip group addressed frames */
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dl_list_for_each(sta, &bss->sta, struct wlantest_sta, list) {
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if (os_memcmp(sta->addr, addr, ETH_ALEN) == 0)
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return sta;
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}
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sta = os_zalloc(sizeof(*sta));
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if (sta == NULL)
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return NULL;
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os_memcpy(sta->addr, addr, ETH_ALEN);
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dl_list_add(&bss->sta, &sta->list);
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wpa_printf(MSG_DEBUG, "Discovered new STA " MACSTR " in BSS " MACSTR,
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MAC2STR(sta->addr), MAC2STR(bss->bssid));
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return sta;
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}
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void sta_deinit(struct wlantest_sta *sta)
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{
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dl_list_del(&sta->list);
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os_free(sta);
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}
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void sta_update_assoc(struct wlantest_sta *sta, struct ieee802_11_elems *elems)
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{
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if (elems->wpa_ie && elems->rsn_ie) {
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wpa_printf(MSG_INFO, "Both WPA IE and RSN IE included in "
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"Association Request frame from " MACSTR,
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MAC2STR(sta->addr));
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}
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if (elems->rsn_ie) {
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wpa_hexdump(MSG_DEBUG, "RSN IE", elems->rsn_ie - 2,
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elems->rsn_ie_len + 2);
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os_memcpy(sta->rsnie, elems->rsn_ie - 2,
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elems->rsn_ie_len + 2);
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} else if (elems->wpa_ie) {
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wpa_hexdump(MSG_DEBUG, "WPA IE", elems->wpa_ie - 2,
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elems->wpa_ie_len + 2);
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os_memcpy(sta->rsnie, elems->wpa_ie - 2,
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elems->wpa_ie_len + 2);
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} else
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sta->rsnie[0] = 0;
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}
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