626 lines
16 KiB
C
626 lines
16 KiB
C
/*
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* Received Data frame processing
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* Copyright (c) 2010, Jouni Malinen <j@w1.fi>
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*
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* This software may be distributed under the terms of the BSD license.
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* See README for more details.
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*/
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#include "utils/includes.h"
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#include <linux/if_ether.h>
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#include "utils/common.h"
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#include "common/defs.h"
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#include "common/ieee802_11_defs.h"
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#include "wlantest.h"
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extern int wpa_debug_level;
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static const char * data_stype(u16 stype)
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{
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switch (stype) {
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case WLAN_FC_STYPE_DATA:
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return "DATA";
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case WLAN_FC_STYPE_DATA_CFACK:
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return "DATA-CFACK";
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case WLAN_FC_STYPE_DATA_CFPOLL:
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return "DATA-CFPOLL";
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case WLAN_FC_STYPE_DATA_CFACKPOLL:
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return "DATA-CFACKPOLL";
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case WLAN_FC_STYPE_NULLFUNC:
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return "NULLFUNC";
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case WLAN_FC_STYPE_CFACK:
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return "CFACK";
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case WLAN_FC_STYPE_CFPOLL:
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return "CFPOLL";
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case WLAN_FC_STYPE_CFACKPOLL:
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return "CFACKPOLL";
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case WLAN_FC_STYPE_QOS_DATA:
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return "QOSDATA";
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case WLAN_FC_STYPE_QOS_DATA_CFACK:
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return "QOSDATA-CFACK";
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case WLAN_FC_STYPE_QOS_DATA_CFPOLL:
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return "QOSDATA-CFPOLL";
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case WLAN_FC_STYPE_QOS_DATA_CFACKPOLL:
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return "QOSDATA-CFACKPOLL";
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case WLAN_FC_STYPE_QOS_NULL:
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return "QOS-NULL";
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case WLAN_FC_STYPE_QOS_CFPOLL:
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return "QOS-CFPOLL";
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case WLAN_FC_STYPE_QOS_CFACKPOLL:
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return "QOS-CFACKPOLL";
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}
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return "??";
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}
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static void rx_data_eth(struct wlantest *wt, const u8 *bssid,
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const u8 *sta_addr, const u8 *dst, const u8 *src,
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u16 ethertype, const u8 *data, size_t len, int prot,
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const u8 *peer_addr)
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{
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switch (ethertype) {
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case ETH_P_PAE:
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rx_data_eapol(wt, dst, src, data, len, prot);
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break;
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case ETH_P_IP:
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rx_data_ip(wt, bssid, sta_addr, dst, src, data, len,
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peer_addr);
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break;
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case 0x890d:
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rx_data_80211_encap(wt, bssid, sta_addr, dst, src, data, len);
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break;
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}
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}
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static void rx_data_process(struct wlantest *wt, const u8 *bssid,
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const u8 *sta_addr,
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const u8 *dst, const u8 *src,
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const u8 *data, size_t len, int prot,
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const u8 *peer_addr)
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{
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if (len == 0)
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return;
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if (len >= 8 && os_memcmp(data, "\xaa\xaa\x03\x00\x00\x00", 6) == 0) {
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rx_data_eth(wt, bssid, sta_addr, dst, src,
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WPA_GET_BE16(data + 6), data + 8, len - 8, prot,
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peer_addr);
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return;
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}
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wpa_hexdump(MSG_DEBUG, "Unrecognized LLC", data, len > 8 ? 8 : len);
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}
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static u8 * try_all_ptk(struct wlantest *wt, int pairwise_cipher,
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const struct ieee80211_hdr *hdr,
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const u8 *data, size_t data_len, size_t *decrypted_len)
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{
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struct wlantest_ptk *ptk;
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u8 *decrypted;
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int prev_level = wpa_debug_level;
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wpa_debug_level = MSG_WARNING;
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dl_list_for_each(ptk, &wt->ptk, struct wlantest_ptk, list) {
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decrypted = NULL;
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if ((pairwise_cipher == WPA_CIPHER_CCMP ||
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pairwise_cipher == 0) && ptk->ptk_len == 48) {
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decrypted = ccmp_decrypt(ptk->ptk.tk1, hdr, data,
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data_len, decrypted_len);
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}
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if ((pairwise_cipher == WPA_CIPHER_TKIP ||
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pairwise_cipher == 0) && ptk->ptk_len == 64) {
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decrypted = tkip_decrypt(ptk->ptk.tk1, hdr, data,
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data_len, decrypted_len);
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}
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if (decrypted) {
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wpa_debug_level = prev_level;
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add_note(wt, MSG_DEBUG, "Found PTK match from list of all known PTKs");
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return decrypted;
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}
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}
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wpa_debug_level = prev_level;
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return NULL;
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}
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static void rx_data_bss_prot_group(struct wlantest *wt,
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const struct ieee80211_hdr *hdr,
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const u8 *qos, const u8 *dst, const u8 *src,
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const u8 *data, size_t len)
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{
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struct wlantest_bss *bss;
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int keyid;
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u8 *decrypted;
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size_t dlen;
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u8 pn[6];
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bss = bss_get(wt, hdr->addr2);
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if (bss == NULL)
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return;
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if (len < 4) {
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add_note(wt, MSG_INFO, "Too short group addressed data frame");
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return;
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}
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if (bss->group_cipher & (WPA_CIPHER_TKIP | WPA_CIPHER_CCMP) &&
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!(data[3] & 0x20)) {
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add_note(wt, MSG_INFO, "Expected TKIP/CCMP frame from "
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MACSTR " did not have ExtIV bit set to 1",
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MAC2STR(bss->bssid));
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return;
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}
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if (bss->group_cipher == WPA_CIPHER_TKIP) {
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if (data[3] & 0x1f) {
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add_note(wt, MSG_INFO, "TKIP frame from " MACSTR
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" used non-zero reserved bit",
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MAC2STR(bss->bssid));
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}
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if (data[1] != ((data[0] | 0x20) & 0x7f)) {
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add_note(wt, MSG_INFO, "TKIP frame from " MACSTR
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" used incorrect WEPSeed[1] (was 0x%x, "
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"expected 0x%x)",
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MAC2STR(bss->bssid), data[1],
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(data[0] | 0x20) & 0x7f);
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}
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} else if (bss->group_cipher == WPA_CIPHER_CCMP) {
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if (data[2] != 0 || (data[3] & 0x1f) != 0) {
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add_note(wt, MSG_INFO, "CCMP frame from " MACSTR
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" used non-zero reserved bit",
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MAC2STR(bss->bssid));
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}
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}
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keyid = data[3] >> 6;
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if (bss->gtk_len[keyid] == 0 && bss->group_cipher != WPA_CIPHER_WEP40)
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{
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add_note(wt, MSG_MSGDUMP, "No GTK known to decrypt the frame "
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"(A2=" MACSTR " KeyID=%d)",
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MAC2STR(hdr->addr2), keyid);
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return;
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}
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if (bss->group_cipher == WPA_CIPHER_TKIP)
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tkip_get_pn(pn, data);
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else if (bss->group_cipher == WPA_CIPHER_WEP40)
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goto skip_replay_det;
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else
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ccmp_get_pn(pn, data);
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if (os_memcmp(pn, bss->rsc[keyid], 6) <= 0) {
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u16 seq_ctrl = le_to_host16(hdr->seq_ctrl);
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add_note(wt, MSG_INFO, "CCMP/TKIP replay detected: A1=" MACSTR
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" A2=" MACSTR " A3=" MACSTR " seq=%u frag=%u",
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MAC2STR(hdr->addr1), MAC2STR(hdr->addr2),
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MAC2STR(hdr->addr3),
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WLAN_GET_SEQ_SEQ(seq_ctrl),
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WLAN_GET_SEQ_FRAG(seq_ctrl));
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wpa_hexdump(MSG_INFO, "RX PN", pn, 6);
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wpa_hexdump(MSG_INFO, "RSC", bss->rsc[keyid], 6);
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}
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skip_replay_det:
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if (bss->group_cipher == WPA_CIPHER_TKIP)
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decrypted = tkip_decrypt(bss->gtk[keyid], hdr, data, len,
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&dlen);
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else if (bss->group_cipher == WPA_CIPHER_WEP40)
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decrypted = wep_decrypt(wt, hdr, data, len, &dlen);
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else
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decrypted = ccmp_decrypt(bss->gtk[keyid], hdr, data, len,
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&dlen);
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if (decrypted) {
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rx_data_process(wt, bss->bssid, NULL, dst, src, decrypted,
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dlen, 1, NULL);
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os_memcpy(bss->rsc[keyid], pn, 6);
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write_pcap_decrypted(wt, (const u8 *) hdr, 24 + (qos ? 2 : 0),
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decrypted, dlen);
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} else
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add_note(wt, MSG_DEBUG, "Failed to decrypt frame");
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os_free(decrypted);
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}
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static void rx_data_bss_prot(struct wlantest *wt,
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const struct ieee80211_hdr *hdr, const u8 *qos,
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const u8 *dst, const u8 *src, const u8 *data,
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size_t len)
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{
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struct wlantest_bss *bss;
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struct wlantest_sta *sta, *sta2;
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int keyid;
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u16 fc = le_to_host16(hdr->frame_control);
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u8 *decrypted;
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size_t dlen;
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int tid;
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u8 pn[6], *rsc;
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struct wlantest_tdls *tdls = NULL, *found;
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const u8 *tk = NULL;
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int ptk_iter_done = 0;
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int try_ptk_iter = 0;
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if (hdr->addr1[0] & 0x01) {
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rx_data_bss_prot_group(wt, hdr, qos, dst, src, data, len);
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return;
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}
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if (fc & WLAN_FC_TODS) {
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bss = bss_get(wt, hdr->addr1);
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if (bss == NULL)
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return;
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sta = sta_get(bss, hdr->addr2);
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if (sta)
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sta->counters[WLANTEST_STA_COUNTER_PROT_DATA_TX]++;
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} else if (fc & WLAN_FC_FROMDS) {
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bss = bss_get(wt, hdr->addr2);
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if (bss == NULL)
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return;
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sta = sta_get(bss, hdr->addr1);
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} else {
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bss = bss_get(wt, hdr->addr3);
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if (bss == NULL)
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return;
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sta = sta_find(bss, hdr->addr2);
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sta2 = sta_find(bss, hdr->addr1);
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if (sta == NULL || sta2 == NULL)
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return;
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found = NULL;
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dl_list_for_each(tdls, &bss->tdls, struct wlantest_tdls, list)
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{
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if ((tdls->init == sta && tdls->resp == sta2) ||
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(tdls->init == sta2 && tdls->resp == sta)) {
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found = tdls;
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if (tdls->link_up)
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break;
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}
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}
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if (found) {
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if (!found->link_up)
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add_note(wt, MSG_DEBUG,
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"TDLS: Link not up, but Data "
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"frame seen");
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tk = found->tpk.tk;
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tdls = found;
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}
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}
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if ((sta == NULL ||
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(!sta->ptk_set && sta->pairwise_cipher != WPA_CIPHER_WEP40)) &&
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tk == NULL) {
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add_note(wt, MSG_MSGDUMP, "No PTK known to decrypt the frame");
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if (dl_list_empty(&wt->ptk))
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return;
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try_ptk_iter = 1;
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}
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if (len < 4) {
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add_note(wt, MSG_INFO, "Too short encrypted data frame");
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return;
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}
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if (sta == NULL)
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return;
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if (sta->pairwise_cipher & (WPA_CIPHER_TKIP | WPA_CIPHER_CCMP) &&
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!(data[3] & 0x20)) {
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add_note(wt, MSG_INFO, "Expected TKIP/CCMP frame from "
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MACSTR " did not have ExtIV bit set to 1",
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MAC2STR(src));
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return;
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}
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if (tk == NULL && sta->pairwise_cipher == WPA_CIPHER_TKIP) {
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if (data[3] & 0x1f) {
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add_note(wt, MSG_INFO, "TKIP frame from " MACSTR
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" used non-zero reserved bit",
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MAC2STR(hdr->addr2));
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}
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if (data[1] != ((data[0] | 0x20) & 0x7f)) {
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add_note(wt, MSG_INFO, "TKIP frame from " MACSTR
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" used incorrect WEPSeed[1] (was 0x%x, "
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"expected 0x%x)",
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MAC2STR(hdr->addr2), data[1],
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(data[0] | 0x20) & 0x7f);
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}
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} else if (tk || sta->pairwise_cipher == WPA_CIPHER_CCMP) {
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if (data[2] != 0 || (data[3] & 0x1f) != 0) {
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add_note(wt, MSG_INFO, "CCMP frame from " MACSTR
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" used non-zero reserved bit",
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MAC2STR(hdr->addr2));
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}
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}
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keyid = data[3] >> 6;
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if (keyid != 0) {
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add_note(wt, MSG_INFO, "Unexpected non-zero KeyID %d in "
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"individually addressed Data frame from " MACSTR,
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keyid, MAC2STR(hdr->addr2));
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}
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if (qos) {
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tid = qos[0] & 0x0f;
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if (fc & WLAN_FC_TODS)
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sta->tx_tid[tid]++;
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else
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sta->rx_tid[tid]++;
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} else {
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tid = 0;
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if (fc & WLAN_FC_TODS)
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sta->tx_tid[16]++;
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else
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sta->rx_tid[16]++;
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}
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if (tk) {
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if (os_memcmp(hdr->addr2, tdls->init->addr, ETH_ALEN) == 0)
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rsc = tdls->rsc_init[tid];
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else
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rsc = tdls->rsc_resp[tid];
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} else if (fc & WLAN_FC_TODS)
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rsc = sta->rsc_tods[tid];
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else
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rsc = sta->rsc_fromds[tid];
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if (tk == NULL && sta->pairwise_cipher == WPA_CIPHER_TKIP)
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tkip_get_pn(pn, data);
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else if (sta->pairwise_cipher == WPA_CIPHER_WEP40)
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goto skip_replay_det;
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else
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ccmp_get_pn(pn, data);
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if (os_memcmp(pn, rsc, 6) <= 0) {
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u16 seq_ctrl = le_to_host16(hdr->seq_ctrl);
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add_note(wt, MSG_INFO, "CCMP/TKIP replay detected: A1=" MACSTR
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" A2=" MACSTR " A3=" MACSTR " seq=%u frag=%u",
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MAC2STR(hdr->addr1), MAC2STR(hdr->addr2),
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MAC2STR(hdr->addr3),
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WLAN_GET_SEQ_SEQ(seq_ctrl),
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WLAN_GET_SEQ_FRAG(seq_ctrl));
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wpa_hexdump(MSG_INFO, "RX PN", pn, 6);
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wpa_hexdump(MSG_INFO, "RSC", rsc, 6);
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}
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skip_replay_det:
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if (tk)
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decrypted = ccmp_decrypt(tk, hdr, data, len, &dlen);
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else if (sta->pairwise_cipher == WPA_CIPHER_TKIP)
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decrypted = tkip_decrypt(sta->ptk.tk1, hdr, data, len, &dlen);
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else if (sta->pairwise_cipher == WPA_CIPHER_WEP40)
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decrypted = wep_decrypt(wt, hdr, data, len, &dlen);
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else if (sta->ptk_set)
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decrypted = ccmp_decrypt(sta->ptk.tk1, hdr, data, len, &dlen);
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else {
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decrypted = try_all_ptk(wt, sta->pairwise_cipher, hdr, data,
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len, &dlen);
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ptk_iter_done = 1;
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}
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if (!decrypted && !ptk_iter_done) {
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decrypted = try_all_ptk(wt, sta->pairwise_cipher, hdr, data,
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len, &dlen);
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if (decrypted) {
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add_note(wt, MSG_DEBUG, "Current PTK did not work, but found a match from all known PTKs");
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}
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}
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if (decrypted) {
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u16 fc = le_to_host16(hdr->frame_control);
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const u8 *peer_addr = NULL;
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if (!(fc & (WLAN_FC_FROMDS | WLAN_FC_TODS)))
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peer_addr = hdr->addr1;
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os_memcpy(rsc, pn, 6);
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rx_data_process(wt, bss->bssid, sta->addr, dst, src, decrypted,
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dlen, 1, peer_addr);
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write_pcap_decrypted(wt, (const u8 *) hdr, 24 + (qos ? 2 : 0),
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decrypted, dlen);
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} else if (!try_ptk_iter)
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add_note(wt, MSG_DEBUG, "Failed to decrypt frame");
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os_free(decrypted);
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}
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static void rx_data_bss(struct wlantest *wt, const struct ieee80211_hdr *hdr,
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const u8 *qos, const u8 *dst, const u8 *src,
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const u8 *data, size_t len)
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{
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u16 fc = le_to_host16(hdr->frame_control);
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int prot = !!(fc & WLAN_FC_ISWEP);
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if (qos) {
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u8 ack = (qos[0] & 0x60) >> 5;
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wpa_printf(MSG_MSGDUMP, "BSS DATA: " MACSTR " -> " MACSTR
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" len=%u%s tid=%u%s%s",
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MAC2STR(src), MAC2STR(dst), (unsigned int) len,
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prot ? " Prot" : "", qos[0] & 0x0f,
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(qos[0] & 0x10) ? " EOSP" : "",
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ack == 0 ? "" :
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(ack == 1 ? " NoAck" :
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(ack == 2 ? " NoExpAck" : " BA")));
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} else {
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wpa_printf(MSG_MSGDUMP, "BSS DATA: " MACSTR " -> " MACSTR
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" len=%u%s",
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MAC2STR(src), MAC2STR(dst), (unsigned int) len,
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prot ? " Prot" : "");
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}
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if (prot)
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rx_data_bss_prot(wt, hdr, qos, dst, src, data, len);
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else {
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const u8 *bssid, *sta_addr, *peer_addr;
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struct wlantest_bss *bss;
|
|
|
|
if (fc & WLAN_FC_TODS) {
|
|
bssid = hdr->addr1;
|
|
sta_addr = hdr->addr2;
|
|
peer_addr = NULL;
|
|
} else if (fc & WLAN_FC_FROMDS) {
|
|
bssid = hdr->addr2;
|
|
sta_addr = hdr->addr1;
|
|
peer_addr = NULL;
|
|
} else {
|
|
bssid = hdr->addr3;
|
|
sta_addr = hdr->addr2;
|
|
peer_addr = hdr->addr1;
|
|
}
|
|
|
|
bss = bss_get(wt, bssid);
|
|
if (bss) {
|
|
struct wlantest_sta *sta = sta_get(bss, sta_addr);
|
|
|
|
if (sta) {
|
|
if (qos) {
|
|
int tid = qos[0] & 0x0f;
|
|
if (fc & WLAN_FC_TODS)
|
|
sta->tx_tid[tid]++;
|
|
else
|
|
sta->rx_tid[tid]++;
|
|
} else {
|
|
if (fc & WLAN_FC_TODS)
|
|
sta->tx_tid[16]++;
|
|
else
|
|
sta->rx_tid[16]++;
|
|
}
|
|
}
|
|
}
|
|
|
|
rx_data_process(wt, bssid, sta_addr, dst, src, data, len, 0,
|
|
peer_addr);
|
|
}
|
|
}
|
|
|
|
|
|
static struct wlantest_tdls * get_tdls(struct wlantest *wt, const u8 *bssid,
|
|
const u8 *sta1_addr,
|
|
const u8 *sta2_addr)
|
|
{
|
|
struct wlantest_bss *bss;
|
|
struct wlantest_sta *sta1, *sta2;
|
|
struct wlantest_tdls *tdls, *found = NULL;
|
|
|
|
bss = bss_find(wt, bssid);
|
|
if (bss == NULL)
|
|
return NULL;
|
|
sta1 = sta_find(bss, sta1_addr);
|
|
if (sta1 == NULL)
|
|
return NULL;
|
|
sta2 = sta_find(bss, sta2_addr);
|
|
if (sta2 == NULL)
|
|
return NULL;
|
|
|
|
dl_list_for_each(tdls, &bss->tdls, struct wlantest_tdls, list) {
|
|
if ((tdls->init == sta1 && tdls->resp == sta2) ||
|
|
(tdls->init == sta2 && tdls->resp == sta1)) {
|
|
found = tdls;
|
|
if (tdls->link_up)
|
|
break;
|
|
}
|
|
}
|
|
|
|
return found;
|
|
}
|
|
|
|
|
|
static void add_direct_link(struct wlantest *wt, const u8 *bssid,
|
|
const u8 *sta1_addr, const u8 *sta2_addr)
|
|
{
|
|
struct wlantest_tdls *tdls;
|
|
|
|
tdls = get_tdls(wt, bssid, sta1_addr, sta2_addr);
|
|
if (tdls == NULL)
|
|
return;
|
|
|
|
if (tdls->link_up)
|
|
tdls->counters[WLANTEST_TDLS_COUNTER_VALID_DIRECT_LINK]++;
|
|
else
|
|
tdls->counters[WLANTEST_TDLS_COUNTER_INVALID_DIRECT_LINK]++;
|
|
}
|
|
|
|
|
|
static void add_ap_path(struct wlantest *wt, const u8 *bssid,
|
|
const u8 *sta1_addr, const u8 *sta2_addr)
|
|
{
|
|
struct wlantest_tdls *tdls;
|
|
|
|
tdls = get_tdls(wt, bssid, sta1_addr, sta2_addr);
|
|
if (tdls == NULL)
|
|
return;
|
|
|
|
if (tdls->link_up)
|
|
tdls->counters[WLANTEST_TDLS_COUNTER_INVALID_AP_PATH]++;
|
|
else
|
|
tdls->counters[WLANTEST_TDLS_COUNTER_VALID_AP_PATH]++;
|
|
}
|
|
|
|
|
|
void rx_data(struct wlantest *wt, const u8 *data, size_t len)
|
|
{
|
|
const struct ieee80211_hdr *hdr;
|
|
u16 fc, stype;
|
|
size_t hdrlen;
|
|
const u8 *qos = NULL;
|
|
|
|
if (len < 24)
|
|
return;
|
|
|
|
hdr = (const struct ieee80211_hdr *) data;
|
|
fc = le_to_host16(hdr->frame_control);
|
|
stype = WLAN_FC_GET_STYPE(fc);
|
|
hdrlen = 24;
|
|
if ((fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) ==
|
|
(WLAN_FC_TODS | WLAN_FC_FROMDS))
|
|
hdrlen += ETH_ALEN;
|
|
if (stype & 0x08) {
|
|
qos = data + hdrlen;
|
|
hdrlen += 2;
|
|
}
|
|
if (len < hdrlen)
|
|
return;
|
|
wt->rx_data++;
|
|
|
|
switch (fc & (WLAN_FC_TODS | WLAN_FC_FROMDS)) {
|
|
case 0:
|
|
wpa_printf(MSG_EXCESSIVE, "DATA %s%s%s IBSS DA=" MACSTR " SA="
|
|
MACSTR " BSSID=" MACSTR,
|
|
data_stype(WLAN_FC_GET_STYPE(fc)),
|
|
fc & WLAN_FC_PWRMGT ? " PwrMgt" : "",
|
|
fc & WLAN_FC_ISWEP ? " Prot" : "",
|
|
MAC2STR(hdr->addr1), MAC2STR(hdr->addr2),
|
|
MAC2STR(hdr->addr3));
|
|
add_direct_link(wt, hdr->addr3, hdr->addr1, hdr->addr2);
|
|
rx_data_bss(wt, hdr, qos, hdr->addr1, hdr->addr2,
|
|
data + hdrlen, len - hdrlen);
|
|
break;
|
|
case WLAN_FC_FROMDS:
|
|
wpa_printf(MSG_EXCESSIVE, "DATA %s%s%s FromDS DA=" MACSTR
|
|
" BSSID=" MACSTR " SA=" MACSTR,
|
|
data_stype(WLAN_FC_GET_STYPE(fc)),
|
|
fc & WLAN_FC_PWRMGT ? " PwrMgt" : "",
|
|
fc & WLAN_FC_ISWEP ? " Prot" : "",
|
|
MAC2STR(hdr->addr1), MAC2STR(hdr->addr2),
|
|
MAC2STR(hdr->addr3));
|
|
add_ap_path(wt, hdr->addr2, hdr->addr1, hdr->addr3);
|
|
rx_data_bss(wt, hdr, qos, hdr->addr1, hdr->addr3,
|
|
data + hdrlen, len - hdrlen);
|
|
break;
|
|
case WLAN_FC_TODS:
|
|
wpa_printf(MSG_EXCESSIVE, "DATA %s%s%s ToDS BSSID=" MACSTR
|
|
" SA=" MACSTR " DA=" MACSTR,
|
|
data_stype(WLAN_FC_GET_STYPE(fc)),
|
|
fc & WLAN_FC_PWRMGT ? " PwrMgt" : "",
|
|
fc & WLAN_FC_ISWEP ? " Prot" : "",
|
|
MAC2STR(hdr->addr1), MAC2STR(hdr->addr2),
|
|
MAC2STR(hdr->addr3));
|
|
add_ap_path(wt, hdr->addr1, hdr->addr3, hdr->addr2);
|
|
rx_data_bss(wt, hdr, qos, hdr->addr3, hdr->addr2,
|
|
data + hdrlen, len - hdrlen);
|
|
break;
|
|
case WLAN_FC_TODS | WLAN_FC_FROMDS:
|
|
wpa_printf(MSG_EXCESSIVE, "DATA %s%s%s WDS RA=" MACSTR " TA="
|
|
MACSTR " DA=" MACSTR " SA=" MACSTR,
|
|
data_stype(WLAN_FC_GET_STYPE(fc)),
|
|
fc & WLAN_FC_PWRMGT ? " PwrMgt" : "",
|
|
fc & WLAN_FC_ISWEP ? " Prot" : "",
|
|
MAC2STR(hdr->addr1), MAC2STR(hdr->addr2),
|
|
MAC2STR(hdr->addr3),
|
|
MAC2STR((const u8 *) (hdr + 1)));
|
|
break;
|
|
}
|
|
}
|