Flatten vendor/tcpdump and remove keyword expansion.

1 files changed, 0 insertions, 1288 deletions

diff --git a/contrib/tcpdump/print-802_11.c b/contrib/tcpdump/print-802_11.c
deleted file mode 100644
index 21e316d..0000000
--- a/contrib/tcpdump/print-802_11.c
+++ /dev/null
@@ -1,1288 +0,0 @@
-/*
- * Copyright (c) 2001
- *	Fortress Technologies, Inc.  All rights reserved.
- *      Charlie Lenahan (clenahan@fortresstech.com)
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that: (1) source code distributions
- * retain the above copyright notice and this paragraph in its entirety, (2)
- * distributions including binary code include the above copyright notice and
- * this paragraph in its entirety in the documentation or other materials
- * provided with the distribution, and (3) all advertising materials mentioning
- * features or use of this software display the following acknowledgement:
- * ``This product includes software developed by the University of California,
- * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
- * the University nor the names of its contributors may be used to endorse
- * or promote products derived from this software without specific prior
- * written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef lint
-static const char rcsid[] _U_ =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-802_11.c,v 1.31.2.15 2007/07/22 23:14:14 guy Exp $ (LBL)";
-#endif
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <tcpdump-stdinc.h>
-
-#include <stdio.h>
-#include <pcap.h>
-#include <string.h>
-
-#include "interface.h"
-#include "addrtoname.h"
-#include "ethertype.h"
-
-#include "extract.h"
-
-#include "cpack.h"
-
-#include "ieee802_11.h"
-#include "ieee802_11_radio.h"
-
-#define PRINT_SSID(p) \
-	switch (p.ssid_status) { \
-	case TRUNCATED: \
-		return 0; \
-	case PRESENT: \
-		printf(" ("); \
-		fn_print(p.ssid.ssid, NULL); \
-		printf(")"); \
-		break; \
-	case NOT_PRESENT: \
-		break; \
-	}
-
-#define PRINT_RATE(_sep, _r, _suf) \
-	printf("%s%2.1f%s", _sep, (.5 * ((_r) & 0x7f)), _suf)
-#define PRINT_RATES(p) \
-	switch (p.rates_status) { \
-	case TRUNCATED: \
-		return 0; \
-	case PRESENT: \
-		do { \
-			int z; \
-			const char *sep = " ["; \
-			for (z = 0; z < p.rates.length ; z++) { \
-				PRINT_RATE(sep, p.rates.rate[z], \
-					(p.rates.rate[z] & 0x80 ? "*" : "")); \
-				sep = " "; \
-			} \
-			if (p.rates.length != 0) \
-				printf(" Mbit]"); \
-		} while (0); \
-		break; \
-	case NOT_PRESENT: \
-		break; \
-	}
-
-#define PRINT_DS_CHANNEL(p) \
-	switch (p.ds_status) { \
-	case TRUNCATED: \
-		return 0; \
-	case PRESENT: \
-		printf(" CH: %u", p.ds.channel); \
-		break; \
-	case NOT_PRESENT: \
-		break; \
-	} \
-	printf("%s", \
-	    CAPABILITY_PRIVACY(p.capability_info) ? ", PRIVACY" : "" );
-
-static const char *auth_alg_text[]={"Open System","Shared Key","EAP"};
-#define NUM_AUTH_ALGS	(sizeof auth_alg_text / sizeof auth_alg_text[0])
-
-static const char *status_text[] = {
-	"Succesful",  /*  0  */
-	"Unspecified failure",  /*  1  */
-	"Reserved",	  /*  2  */
-	"Reserved",	  /*  3  */
-	"Reserved",	  /*  4  */
-	"Reserved",	  /*  5  */
-	"Reserved",	  /*  6  */
-	"Reserved",	  /*  7  */
-	"Reserved",	  /*  8  */
-	"Reserved",	  /*  9  */
-	"Cannot Support all requested capabilities in the Capability Information field",	  /*  10  */
-	"Reassociation denied due to inability to confirm that association exists",	  /*  11  */
-	"Association denied due to reason outside the scope of the standard",	  /*  12  */
-	"Responding station does not support the specified authentication algorithm ",	  /*  13  */
-	"Received an Authentication frame with authentication transaction " \
-		"sequence number out of expected sequence",	  /*  14  */
-	"Authentication rejected because of challenge failure",	  /*  15 */
-	"Authentication rejected due to timeout waiting for next frame in sequence",	  /*  16 */
-	"Association denied because AP is unable to handle additional associated stations",	  /*  17 */
-	"Association denied due to requesting station not supporting all of the " \
-		"data rates in BSSBasicRateSet parameter",	  /*  18 */
-};
-#define NUM_STATUSES	(sizeof status_text / sizeof status_text[0])
-
-static const char *reason_text[] = {
-	"Reserved", /* 0 */
-	"Unspecified reason", /* 1 */
-	"Previous authentication no longer valid",  /* 2 */
-	"Deauthenticated because sending station is leaving (or has left) IBSS or ESS", /* 3 */
-	"Disassociated due to inactivity", /* 4 */
-	"Disassociated because AP is unable to handle all currently associated stations", /* 5 */
-	"Class 2 frame received from nonauthenticated station", /* 6 */
-	"Class 3 frame received from nonassociated station", /* 7 */
-	"Disassociated because sending station is leaving (or has left) BSS", /* 8 */
-	"Station requesting (re)association is not authenticated with responding station", /* 9 */
-};
-#define NUM_REASONS	(sizeof reason_text / sizeof reason_text[0])
-
-static int
-wep_print(const u_char *p)
-{
-	u_int32_t iv;
-
-	if (!TTEST2(*p, IEEE802_11_IV_LEN + IEEE802_11_KID_LEN))
-		return 0;
-	iv = EXTRACT_LE_32BITS(p);
-
-	printf("Data IV:%3x Pad %x KeyID %x", IV_IV(iv), IV_PAD(iv),
-	    IV_KEYID(iv));
-
-	return 1;
-}
-
-static void
-parse_elements(struct mgmt_body_t *pbody, const u_char *p, int offset)
-{
-	/*
-	 * We haven't seen any elements yet.
-	 */
-	pbody->challenge_status = NOT_PRESENT;
-	pbody->ssid_status = NOT_PRESENT;
-	pbody->rates_status = NOT_PRESENT;
-	pbody->ds_status = NOT_PRESENT;
-	pbody->cf_status = NOT_PRESENT;
-	pbody->tim_status = NOT_PRESENT;
-
-	for (;;) {
-		if (!TTEST2(*(p + offset), 1))
-			return;
-		switch (*(p + offset)) {
-		case E_SSID:
-			/* Present, possibly truncated */
-			pbody->ssid_status = TRUNCATED;
-			if (!TTEST2(*(p + offset), 2))
-				return;
-			memcpy(&pbody->ssid, p + offset, 2);
-			offset += 2;
-			if (pbody->ssid.length != 0) {
-				if (pbody->ssid.length >
-				    sizeof(pbody->ssid.ssid) - 1)
-					return;
-				if (!TTEST2(*(p + offset), pbody->ssid.length))
-					return;
-				memcpy(&pbody->ssid.ssid, p + offset,
-				    pbody->ssid.length);
-				offset += pbody->ssid.length;
-			}
-			pbody->ssid.ssid[pbody->ssid.length] = '\0';
-			/* Present and not truncated */
-			pbody->ssid_status = PRESENT;
-			break;
-		case E_CHALLENGE:
-			/* Present, possibly truncated */
-			pbody->challenge_status = TRUNCATED;
-			if (!TTEST2(*(p + offset), 2))
-				return;
-			memcpy(&pbody->challenge, p + offset, 2);
-			offset += 2;
-			if (pbody->challenge.length != 0) {
-				if (pbody->challenge.length >
-				    sizeof(pbody->challenge.text) - 1)
-					return;
-				if (!TTEST2(*(p + offset), pbody->challenge.length))
-					return;
-				memcpy(&pbody->challenge.text, p + offset,
-				    pbody->challenge.length);
-				offset += pbody->challenge.length;
-			}
-			pbody->challenge.text[pbody->challenge.length] = '\0';
-			/* Present and not truncated */
-			pbody->challenge_status = PRESENT;
-			break;
-		case E_RATES:
-			/* Present, possibly truncated */
-			pbody->rates_status = TRUNCATED;
-			if (!TTEST2(*(p + offset), 2))
-				return;
-			memcpy(&(pbody->rates), p + offset, 2);
-			offset += 2;
-			if (pbody->rates.length != 0) {
-				if (pbody->rates.length > sizeof pbody->rates.rate)
-					return;
-				if (!TTEST2(*(p + offset), pbody->rates.length))
-					return;
-				memcpy(&pbody->rates.rate, p + offset,
-				    pbody->rates.length);
-				offset += pbody->rates.length;
-			}
-			/* Present and not truncated */
-			pbody->rates_status = PRESENT;
-			break;
-		case E_DS:
-			/* Present, possibly truncated */
-			pbody->ds_status = TRUNCATED;
-			if (!TTEST2(*(p + offset), 3))
-				return;
-			memcpy(&pbody->ds, p + offset, 3);
-			offset += 3;
-			/* Present and not truncated */
-			pbody->ds_status = PRESENT;
-			break;
-		case E_CF:
-			/* Present, possibly truncated */
-			pbody->cf_status = TRUNCATED;
-			if (!TTEST2(*(p + offset), 8))
-				return;
-			memcpy(&pbody->cf, p + offset, 8);
-			offset += 8;
-			/* Present and not truncated */
-			pbody->cf_status = PRESENT;
-			break;
-		case E_TIM:
-			/* Present, possibly truncated */
-			pbody->tim_status = TRUNCATED;
-			if (!TTEST2(*(p + offset), 2))
-				return;
-			memcpy(&pbody->tim, p + offset, 2);
-			offset += 2;
-			if (!TTEST2(*(p + offset), 3))
-				return;
-			memcpy(&pbody->tim.count, p + offset, 3);
-			offset += 3;
-
-			if (pbody->tim.length <= 3)
-				break;
-			if (pbody->tim.length - 3 > sizeof pbody->tim.bitmap)
-				return;
-			if (!TTEST2(*(p + offset), pbody->tim.length - 3))
-				return;
-			memcpy(pbody->tim.bitmap, p + (pbody->tim.length - 3),
-			    (pbody->tim.length - 3));
-			offset += pbody->tim.length - 3;
-			/* Present and not truncated */
-			pbody->tim_status = PRESENT;
-			break;
-		default:
-#if 0
-			printf("(1) unhandled element_id (%d)  ",
-			    *(p + offset) );
-#endif
-			if (!TTEST2(*(p + offset), 2))
-				return;
-			if (!TTEST2(*(p + offset + 2), *(p + offset + 1)))
-				return;
-			offset += *(p + offset + 1) + 2;
-			break;
-		}
-	}
-}
-
-/*********************************************************************************
- * Print Handle functions for the management frame types
- *********************************************************************************/
-
-static int
-handle_beacon(const u_char *p)
-{
-	struct mgmt_body_t pbody;
-	int offset = 0;
-
-	memset(&pbody, 0, sizeof(pbody));
-
-	if (!TTEST2(*p, IEEE802_11_TSTAMP_LEN + IEEE802_11_BCNINT_LEN +
-	    IEEE802_11_CAPINFO_LEN))
-		return 0;
-	memcpy(&pbody.timestamp, p, IEEE802_11_TSTAMP_LEN);
-	offset += IEEE802_11_TSTAMP_LEN;
-	pbody.beacon_interval = EXTRACT_LE_16BITS(p+offset);
-	offset += IEEE802_11_BCNINT_LEN;
-	pbody.capability_info = EXTRACT_LE_16BITS(p+offset);
-	offset += IEEE802_11_CAPINFO_LEN;
-
-	parse_elements(&pbody, p, offset);
-
-	PRINT_SSID(pbody);
-	PRINT_RATES(pbody);
-	printf(" %s",
-	    CAPABILITY_ESS(pbody.capability_info) ? "ESS" : "IBSS");
-	PRINT_DS_CHANNEL(pbody);
-
-	return 1;
-}
-
-static int
-handle_assoc_request(const u_char *p)
-{
-	struct mgmt_body_t pbody;
-	int offset = 0;
-
-	memset(&pbody, 0, sizeof(pbody));
-
-	if (!TTEST2(*p, IEEE802_11_CAPINFO_LEN + IEEE802_11_LISTENINT_LEN))
-		return 0;
-	pbody.capability_info = EXTRACT_LE_16BITS(p);
-	offset += IEEE802_11_CAPINFO_LEN;
-	pbody.listen_interval = EXTRACT_LE_16BITS(p+offset);
-	offset += IEEE802_11_LISTENINT_LEN;
-
-	parse_elements(&pbody, p, offset);
-
-	PRINT_SSID(pbody);
-	PRINT_RATES(pbody);
-	return 1;
-}
-
-static int
-handle_assoc_response(const u_char *p)
-{
-	struct mgmt_body_t pbody;
-	int offset = 0;
-
-	memset(&pbody, 0, sizeof(pbody));
-
-	if (!TTEST2(*p, IEEE802_11_CAPINFO_LEN + IEEE802_11_STATUS_LEN +
-	    IEEE802_11_AID_LEN))
-		return 0;
-	pbody.capability_info = EXTRACT_LE_16BITS(p);
-	offset += IEEE802_11_CAPINFO_LEN;
-	pbody.status_code = EXTRACT_LE_16BITS(p+offset);
-	offset += IEEE802_11_STATUS_LEN;
-	pbody.aid = EXTRACT_LE_16BITS(p+offset);
-	offset += IEEE802_11_AID_LEN;
-
-	parse_elements(&pbody, p, offset);
-
-	printf(" AID(%x) :%s: %s", ((u_int16_t)(pbody.aid << 2 )) >> 2 ,
-	    CAPABILITY_PRIVACY(pbody.capability_info) ? " PRIVACY " : "",
-	    (pbody.status_code < NUM_STATUSES
-		? status_text[pbody.status_code]
-		: "n/a"));
-
-	return 1;
-}
-
-static int
-handle_reassoc_request(const u_char *p)
-{
-	struct mgmt_body_t pbody;
-	int offset = 0;
-
-	memset(&pbody, 0, sizeof(pbody));
-
-	if (!TTEST2(*p, IEEE802_11_CAPINFO_LEN + IEEE802_11_LISTENINT_LEN +
-	    IEEE802_11_AP_LEN))
-		return 0;
-	pbody.capability_info = EXTRACT_LE_16BITS(p);
-	offset += IEEE802_11_CAPINFO_LEN;
-	pbody.listen_interval = EXTRACT_LE_16BITS(p+offset);
-	offset += IEEE802_11_LISTENINT_LEN;
-	memcpy(&pbody.ap, p+offset, IEEE802_11_AP_LEN);
-	offset += IEEE802_11_AP_LEN;
-
-	parse_elements(&pbody, p, offset);
-
-	PRINT_SSID(pbody);
-	printf(" AP : %s", etheraddr_string( pbody.ap ));
-
-	return 1;
-}
-
-static int
-handle_reassoc_response(const u_char *p)
-{
-	/* Same as a Association Reponse */
-	return handle_assoc_response(p);
-}
-
-static int
-handle_probe_request(const u_char *p)
-{
-	struct mgmt_body_t  pbody;
-	int offset = 0;
-
-	memset(&pbody, 0, sizeof(pbody));
-
-	parse_elements(&pbody, p, offset);
-
-	PRINT_SSID(pbody);
-	PRINT_RATES(pbody);
-
-	return 1;
-}
-
-static int
-handle_probe_response(const u_char *p)
-{
-	struct mgmt_body_t  pbody;
-	int offset = 0;
-
-	memset(&pbody, 0, sizeof(pbody));
-
-	if (!TTEST2(*p, IEEE802_11_TSTAMP_LEN + IEEE802_11_BCNINT_LEN +
-	    IEEE802_11_CAPINFO_LEN))
-		return 0;
-
-	memcpy(&pbody.timestamp, p, IEEE802_11_TSTAMP_LEN);
-	offset += IEEE802_11_TSTAMP_LEN;
-	pbody.beacon_interval = EXTRACT_LE_16BITS(p+offset);
-	offset += IEEE802_11_BCNINT_LEN;
-	pbody.capability_info = EXTRACT_LE_16BITS(p+offset);
-	offset += IEEE802_11_CAPINFO_LEN;
-
-	parse_elements(&pbody, p, offset);
-
-	PRINT_SSID(pbody);
-	PRINT_RATES(pbody);
-	PRINT_DS_CHANNEL(pbody);
-
-	return 1;
-}
-
-static int
-handle_atim(void)
-{
-	/* the frame body for ATIM is null. */
-	return 1;
-}
-
-static int
-handle_disassoc(const u_char *p)
-{
-	struct mgmt_body_t  pbody;
-
-	memset(&pbody, 0, sizeof(pbody));
-
-	if (!TTEST2(*p, IEEE802_11_REASON_LEN))
-		return 0;
-	pbody.reason_code = EXTRACT_LE_16BITS(p);
-
-	printf(": %s",
-	    (pbody.reason_code < NUM_REASONS)
-		? reason_text[pbody.reason_code]
-		: "Reserved" );
-
-	return 1;
-}
-
-static int
-handle_auth(const u_char *p)
-{
-	struct mgmt_body_t  pbody;
-	int offset = 0;
-
-	memset(&pbody, 0, sizeof(pbody));
-
-	if (!TTEST2(*p, 6))
-		return 0;
-	pbody.auth_alg = EXTRACT_LE_16BITS(p);
-	offset += 2;
-	pbody.auth_trans_seq_num = EXTRACT_LE_16BITS(p + offset);
-	offset += 2;
-	pbody.status_code = EXTRACT_LE_16BITS(p + offset);
-	offset += 2;
-
-	parse_elements(&pbody, p, offset);
-
-	if ((pbody.auth_alg == 1) &&
-	    ((pbody.auth_trans_seq_num == 2) ||
-	     (pbody.auth_trans_seq_num == 3))) {
-		printf(" (%s)-%x [Challenge Text] %s",
-		    (pbody.auth_alg < NUM_AUTH_ALGS)
-			? auth_alg_text[pbody.auth_alg]
-			: "Reserved",
-		    pbody.auth_trans_seq_num,
-		    ((pbody.auth_trans_seq_num % 2)
-		        ? ((pbody.status_code < NUM_STATUSES)
-			       ? status_text[pbody.status_code]
-			       : "n/a") : ""));
-		return 1;
-	}
-	printf(" (%s)-%x: %s",
-	    (pbody.auth_alg < NUM_AUTH_ALGS)
-		? auth_alg_text[pbody.auth_alg]
-		: "Reserved",
-	    pbody.auth_trans_seq_num,
-	    (pbody.auth_trans_seq_num % 2)
-	        ? ((pbody.status_code < NUM_STATUSES)
-		    ? status_text[pbody.status_code]
-	            : "n/a")
-	        : "");
-
-	return 1;
-}
-
-static int
-handle_deauth(const struct mgmt_header_t *pmh, const u_char *p)
-{
-	struct mgmt_body_t  pbody;
-	int offset = 0;
-	const char *reason = NULL;
-
-	memset(&pbody, 0, sizeof(pbody));
-
-	if (!TTEST2(*p, IEEE802_11_REASON_LEN))
-		return 0;
-	pbody.reason_code = EXTRACT_LE_16BITS(p);
-	offset += IEEE802_11_REASON_LEN;
-
-	reason = (pbody.reason_code < NUM_REASONS)
-			? reason_text[pbody.reason_code]
-			: "Reserved";
-
-	if (eflag) {
-		printf(": %s", reason);
-	} else {
-		printf(" (%s): %s", etheraddr_string(pmh->sa), reason);
-	}
-	return 1;
-}
-
-
-/*********************************************************************************
- * Print Body funcs
- *********************************************************************************/
-
-
-static int
-mgmt_body_print(u_int16_t fc, const struct mgmt_header_t *pmh,
-    const u_char *p)
-{
-	switch (FC_SUBTYPE(fc)) {
-	case ST_ASSOC_REQUEST:
-		printf("Assoc Request");
-		return handle_assoc_request(p);
-	case ST_ASSOC_RESPONSE:
-		printf("Assoc Response");
-		return handle_assoc_response(p);
-	case ST_REASSOC_REQUEST:
-		printf("ReAssoc Request");
-		return handle_reassoc_request(p);
-	case ST_REASSOC_RESPONSE:
-		printf("ReAssoc Response");
-		return handle_reassoc_response(p);
-	case ST_PROBE_REQUEST:
-		printf("Probe Request");
-		return handle_probe_request(p);
-	case ST_PROBE_RESPONSE:
-		printf("Probe Response");
-		return handle_probe_response(p);
-	case ST_BEACON:
-		printf("Beacon");
-		return handle_beacon(p);
-	case ST_ATIM:
-		printf("ATIM");
-		return handle_atim();
-	case ST_DISASSOC:
-		printf("Disassociation");
-		return handle_disassoc(p);
-	case ST_AUTH:
-		printf("Authentication");
-		if (!TTEST2(*p, 3))
-			return 0;
-		if ((p[0] == 0 ) && (p[1] == 0) && (p[2] == 0)) {
-			printf("Authentication (Shared-Key)-3 ");
-			return wep_print(p);
-		}
-		return handle_auth(p);
-	case ST_DEAUTH:
-		printf("DeAuthentication");
-		return handle_deauth(pmh, p);
-		break;
-	default:
-		printf("Unhandled Management subtype(%x)",
-		    FC_SUBTYPE(fc));
-		return 1;
-	}
-}
-
-
-/*********************************************************************************
- * Handles printing all the control frame types
- *********************************************************************************/
-
-static int
-ctrl_body_print(u_int16_t fc, const u_char *p)
-{
-	switch (FC_SUBTYPE(fc)) {
-	case CTRL_PS_POLL:
-		printf("Power Save-Poll");
-		if (!TTEST2(*p, CTRL_PS_POLL_HDRLEN))
-			return 0;
-		printf(" AID(%x)",
-		    EXTRACT_LE_16BITS(&(((const struct ctrl_ps_poll_t *)p)->aid)));
-		break;
-	case CTRL_RTS:
-		printf("Request-To-Send");
-		if (!TTEST2(*p, CTRL_RTS_HDRLEN))
-			return 0;
-		if (!eflag)
-			printf(" TA:%s ",
-			    etheraddr_string(((const struct ctrl_rts_t *)p)->ta));
-		break;
-	case CTRL_CTS:
-		printf("Clear-To-Send");
-		if (!TTEST2(*p, CTRL_CTS_HDRLEN))
-			return 0;
-		if (!eflag)
-			printf(" RA:%s ",
-			    etheraddr_string(((const struct ctrl_cts_t *)p)->ra));
-		break;
-	case CTRL_ACK:
-		printf("Acknowledgment");
-		if (!TTEST2(*p, CTRL_ACK_HDRLEN))
-			return 0;
-		if (!eflag)
-			printf(" RA:%s ",
-			    etheraddr_string(((const struct ctrl_ack_t *)p)->ra));
-		break;
-	case CTRL_CF_END:
-		printf("CF-End");
-		if (!TTEST2(*p, CTRL_END_HDRLEN))
-			return 0;
-		if (!eflag)
-			printf(" RA:%s ",
-			    etheraddr_string(((const struct ctrl_end_t *)p)->ra));
-		break;
-	case CTRL_END_ACK:
-		printf("CF-End+CF-Ack");
-		if (!TTEST2(*p, CTRL_END_ACK_HDRLEN))
-			return 0;
-		if (!eflag)
-			printf(" RA:%s ",
-			    etheraddr_string(((const struct ctrl_end_ack_t *)p)->ra));
-		break;
-	default:
-		printf("Unknown Ctrl Subtype");
-	}
-	return 1;
-}
-
-/*
- * Print Header funcs
- */
-
-/*
- *  Data Frame - Address field contents
- *
- *  To Ds  | From DS | Addr 1 | Addr 2 | Addr 3 | Addr 4
- *    0    |  0      |  DA    | SA     | BSSID  | n/a
- *    0    |  1      |  DA    | BSSID  | SA     | n/a
- *    1    |  0      |  BSSID | SA     | DA     | n/a
- *    1    |  1      |  RA    | TA     | DA     | SA
- */
-
-static void
-data_header_print(u_int16_t fc, const u_char *p, const u_int8_t **srcp,
-    const u_int8_t **dstp)
-{
-	u_int subtype = FC_SUBTYPE(fc);
-
-	if (DATA_FRAME_IS_CF_ACK(subtype) || DATA_FRAME_IS_CF_POLL(subtype) ||
-	    DATA_FRAME_IS_QOS(subtype)) {
-		printf("CF ");
-		if (DATA_FRAME_IS_CF_ACK(subtype)) {
-			if (DATA_FRAME_IS_CF_POLL(subtype))
-				printf("Ack/Poll");
-			else
-				printf("Ack");
-		} else {
-			if (DATA_FRAME_IS_CF_POLL(subtype))
-				printf("Poll");
-		}
-		if (DATA_FRAME_IS_QOS(subtype))
-			printf("+QoS");
-		printf(" ");
-	}
-
-#define ADDR1  (p + 4)
-#define ADDR2  (p + 10)
-#define ADDR3  (p + 16)
-#define ADDR4  (p + 24)
-
-	if (!FC_TO_DS(fc) && !FC_FROM_DS(fc)) {
-		if (srcp != NULL)
-			*srcp = ADDR2;
-		if (dstp != NULL)
-			*dstp = ADDR1;
-		if (!eflag)
-			return;
-		printf("DA:%s SA:%s BSSID:%s ",
-		    etheraddr_string(ADDR1), etheraddr_string(ADDR2),
-		    etheraddr_string(ADDR3));
-	} else if (!FC_TO_DS(fc) && FC_FROM_DS(fc)) {
-		if (srcp != NULL)
-			*srcp = ADDR3;
-		if (dstp != NULL)
-			*dstp = ADDR1;
-		if (!eflag)
-			return;
-		printf("DA:%s BSSID:%s SA:%s ",
-		    etheraddr_string(ADDR1), etheraddr_string(ADDR2),
-		    etheraddr_string(ADDR3));
-	} else if (FC_TO_DS(fc) && !FC_FROM_DS(fc)) {
-		if (srcp != NULL)
-			*srcp = ADDR2;
-		if (dstp != NULL)
-			*dstp = ADDR3;
-		if (!eflag)
-			return;
-		printf("BSSID:%s SA:%s DA:%s ",
-		    etheraddr_string(ADDR1), etheraddr_string(ADDR2),
-		    etheraddr_string(ADDR3));
-	} else if (FC_TO_DS(fc) && FC_FROM_DS(fc)) {
-		if (srcp != NULL)
-			*srcp = ADDR4;
-		if (dstp != NULL)
-			*dstp = ADDR3;
-		if (!eflag)
-			return;
-		printf("RA:%s TA:%s DA:%s SA:%s ",
-		    etheraddr_string(ADDR1), etheraddr_string(ADDR2),
-		    etheraddr_string(ADDR3), etheraddr_string(ADDR4));
-	}
-
-#undef ADDR1
-#undef ADDR2
-#undef ADDR3
-#undef ADDR4
-}
-
-static void
-mgmt_header_print(const u_char *p, const u_int8_t **srcp,
-    const u_int8_t **dstp)
-{
-	const struct mgmt_header_t *hp = (const struct mgmt_header_t *) p;
-
-	if (srcp != NULL)
-		*srcp = hp->sa;
-	if (dstp != NULL)
-		*dstp = hp->da;
-	if (!eflag)
-		return;
-
-	printf("BSSID:%s DA:%s SA:%s ",
-	    etheraddr_string((hp)->bssid), etheraddr_string((hp)->da),
-	    etheraddr_string((hp)->sa));
-}
-
-static void
-ctrl_header_print(u_int16_t fc, const u_char *p, const u_int8_t **srcp,
-    const u_int8_t **dstp)
-{
-	if (srcp != NULL)
-		*srcp = NULL;
-	if (dstp != NULL)
-		*dstp = NULL;
-	if (!eflag)
-		return;
-
-	switch (FC_SUBTYPE(fc)) {
-	case CTRL_PS_POLL:
-		printf("BSSID:%s TA:%s ",
-		    etheraddr_string(((const struct ctrl_ps_poll_t *)p)->bssid),
-		    etheraddr_string(((const struct ctrl_ps_poll_t *)p)->ta));
-		break;
-	case CTRL_RTS:
-		printf("RA:%s TA:%s ",
-		    etheraddr_string(((const struct ctrl_rts_t *)p)->ra),
-		    etheraddr_string(((const struct ctrl_rts_t *)p)->ta));
-		break;
-	case CTRL_CTS:
-		printf("RA:%s ",
-		    etheraddr_string(((const struct ctrl_cts_t *)p)->ra));
-		break;
-	case CTRL_ACK:
-		printf("RA:%s ",
-		    etheraddr_string(((const struct ctrl_ack_t *)p)->ra));
-		break;
-	case CTRL_CF_END:
-		printf("RA:%s BSSID:%s ",
-		    etheraddr_string(((const struct ctrl_end_t *)p)->ra),
-		    etheraddr_string(((const struct ctrl_end_t *)p)->bssid));
-		break;
-	case CTRL_END_ACK:
-		printf("RA:%s BSSID:%s ",
-		    etheraddr_string(((const struct ctrl_end_ack_t *)p)->ra),
-		    etheraddr_string(((const struct ctrl_end_ack_t *)p)->bssid));
-		break;
-	default:
-		printf("(H) Unknown Ctrl Subtype");
-		break;
-	}
-}
-
-static int
-extract_header_length(u_int16_t fc)
-{
-	int len;
-
-	switch (FC_TYPE(fc)) {
-	case T_MGMT:
-		return MGMT_HDRLEN;
-	case T_CTRL:
-		switch (FC_SUBTYPE(fc)) {
-		case CTRL_PS_POLL:
-			return CTRL_PS_POLL_HDRLEN;
-		case CTRL_RTS:
-			return CTRL_RTS_HDRLEN;
-		case CTRL_CTS:
-			return CTRL_CTS_HDRLEN;
-		case CTRL_ACK:
-			return CTRL_ACK_HDRLEN;
-		case CTRL_CF_END:
-			return CTRL_END_HDRLEN;
-		case CTRL_END_ACK:
-			return CTRL_END_ACK_HDRLEN;
-		default:
-			return 0;
-		}
-	case T_DATA:
-		len = (FC_TO_DS(fc) && FC_FROM_DS(fc)) ? 30 : 24;
-		if (DATA_FRAME_IS_QOS(FC_SUBTYPE(fc)))
-			len += 2;
-		return len;
-	default:
-		printf("unknown IEEE802.11 frame type (%d)", FC_TYPE(fc));
-		return 0;
-	}
-}
-
-/*
- * Print the 802.11 MAC header if eflag is set, and set "*srcp" and "*dstp"
- * to point to the source and destination MAC addresses in any case if
- * "srcp" and "dstp" aren't null.
- */
-static inline void
-ieee_802_11_hdr_print(u_int16_t fc, const u_char *p, const u_int8_t **srcp,
-    const u_int8_t **dstp)
-{
-	if (vflag) {
-		if (FC_MORE_DATA(fc))
-			printf("More Data ");
-		if (FC_MORE_FLAG(fc))
-			printf("More Fragments ");
-		if (FC_POWER_MGMT(fc))
-			printf("Pwr Mgmt ");
-		if (FC_RETRY(fc))
-			printf("Retry ");
-		if (FC_ORDER(fc))
-			printf("Strictly Ordered ");
-		if (FC_WEP(fc))
-			printf("WEP Encrypted ");
-		if (FC_TYPE(fc) != T_CTRL || FC_SUBTYPE(fc) != CTRL_PS_POLL)
-			printf("%dus ",
-			    EXTRACT_LE_16BITS(
-			        &((const struct mgmt_header_t *)p)->duration));
-	}
-
-	switch (FC_TYPE(fc)) {
-	case T_MGMT:
-		mgmt_header_print(p, srcp, dstp);
-		break;
-	case T_CTRL:
-		ctrl_header_print(fc, p, srcp, dstp);
-		break;
-	case T_DATA:
-		data_header_print(fc, p, srcp, dstp);
-		break;
-	default:
-		printf("(header) unknown IEEE802.11 frame type (%d)",
-		    FC_TYPE(fc));
-		*srcp = NULL;
-		*dstp = NULL;
-		break;
-	}
-}
-
-#ifndef roundup2
-#define	roundup2(x, y)	(((x)+((y)-1))&(~((y)-1))) /* if y is powers of two */
-#endif
-
-static u_int
-ieee802_11_print(const u_char *p, u_int length, u_int caplen, int pad)
-{
-	u_int16_t fc;
-	u_int hdrlen;
-	const u_int8_t *src, *dst;
-	u_short extracted_ethertype;
-
-	if (caplen < IEEE802_11_FC_LEN) {
-		printf("[|802.11]");
-		return caplen;
-	}
-
-	fc = EXTRACT_LE_16BITS(p);
-	hdrlen = extract_header_length(fc);
-	if (pad)
-		hdrlen = roundup2(hdrlen, 4);
-
-	if (caplen < hdrlen) {
-		printf("[|802.11]");
-		return hdrlen;
-	}
-
-	ieee_802_11_hdr_print(fc, p, &src, &dst);
-
-	/*
-	 * Go past the 802.11 header.
-	 */
-	length -= hdrlen;
-	caplen -= hdrlen;
-	p += hdrlen;
-
-	switch (FC_TYPE(fc)) {
-	case T_MGMT:
-		if (!mgmt_body_print(fc,
-		    (const struct mgmt_header_t *)(p - hdrlen), p)) {
-			printf("[|802.11]");
-			return hdrlen;
-		}
-		break;
-	case T_CTRL:
-		if (!ctrl_body_print(fc, p - hdrlen)) {
-			printf("[|802.11]");
-			return hdrlen;
-		}
-		break;
-	case T_DATA:
-		if (DATA_FRAME_IS_NULL(FC_SUBTYPE(fc)))
-			return hdrlen;	/* no-data frame */
-		/* There may be a problem w/ AP not having this bit set */
-		if (FC_WEP(fc)) {
-			if (!wep_print(p)) {
-				printf("[|802.11]");
-				return hdrlen;
-			}
-		} else if (llc_print(p, length, caplen, dst, src,
-		    &extracted_ethertype) == 0) {
-			/*
-			 * Some kinds of LLC packet we cannot
-			 * handle intelligently
-			 */
-			if (!eflag)
-				ieee_802_11_hdr_print(fc, p - hdrlen, NULL,
-				    NULL);
-			if (extracted_ethertype)
-				printf("(LLC %s) ",
-				    etherproto_string(
-				        htons(extracted_ethertype)));
-			if (!suppress_default_print)
-				default_print(p, caplen);
-		}
-		break;
-	default:
-		printf("unknown 802.11 frame type (%d)", FC_TYPE(fc));
-		break;
-	}
-
-	return hdrlen;
-}
-
-/*
- * This is the top level routine of the printer.  'p' points
- * to the 802.11 header of the packet, 'h->ts' is the timestamp,
- * 'h->len' is the length of the packet off the wire, and 'h->caplen'
- * is the number of bytes actually captured.
- */
-u_int
-ieee802_11_if_print(const struct pcap_pkthdr *h, const u_char *p)
-{
-	return ieee802_11_print(p, h->len, h->caplen, 0);
-}
-
-static int
-print_radiotap_field(struct cpack_state *s, u_int32_t bit, int *pad)
-{
-	union {
-		int8_t		i8;
-		u_int8_t	u8;
-		int16_t		i16;
-		u_int16_t	u16;
-		u_int32_t	u32;
-		u_int64_t	u64;
-	} u, u2;
-	int rc;
-
-	switch (bit) {
-	case IEEE80211_RADIOTAP_FLAGS:
-		rc = cpack_uint8(s, &u.u8);
-		if (u.u8 & IEEE80211_RADIOTAP_F_DATAPAD)
-			*pad = 1;
-		break;
-	case IEEE80211_RADIOTAP_RATE:
-	case IEEE80211_RADIOTAP_DB_ANTSIGNAL:
-	case IEEE80211_RADIOTAP_DB_ANTNOISE:
-	case IEEE80211_RADIOTAP_ANTENNA:
-		rc = cpack_uint8(s, &u.u8);
-		break;
-	case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
-	case IEEE80211_RADIOTAP_DBM_ANTNOISE:
-		rc = cpack_int8(s, &u.i8);
-		break;
-	case IEEE80211_RADIOTAP_CHANNEL:
-		rc = cpack_uint16(s, &u.u16);
-		if (rc != 0)
-			break;
-		rc = cpack_uint16(s, &u2.u16);
-		break;
-	case IEEE80211_RADIOTAP_FHSS:
-	case IEEE80211_RADIOTAP_LOCK_QUALITY:
-	case IEEE80211_RADIOTAP_TX_ATTENUATION:
-		rc = cpack_uint16(s, &u.u16);
-		break;
-	case IEEE80211_RADIOTAP_DB_TX_ATTENUATION:
-		rc = cpack_uint8(s, &u.u8);
-		break;
-	case IEEE80211_RADIOTAP_DBM_TX_POWER:
-		rc = cpack_int8(s, &u.i8);
-		break;
-	case IEEE80211_RADIOTAP_TSFT:
-		rc = cpack_uint64(s, &u.u64);
-		break;
-	default:
-		/* this bit indicates a field whose
-		 * size we do not know, so we cannot
-		 * proceed.
-		 */
-		printf("[0x%08x] ", bit);
-		return -1;
-	}
-
-	if (rc != 0) {
-		printf("[|802.11]");
-		return rc;
-	}
-
-	switch (bit) {
-	case IEEE80211_RADIOTAP_CHANNEL:
-		printf("%u MHz ", u.u16);
-		if (u2.u16 != 0)
-			printf("(0x%04x) ", u2.u16);
-		break;
-	case IEEE80211_RADIOTAP_FHSS:
-		printf("fhset %d fhpat %d ", u.u16 & 0xff, (u.u16 >> 8) & 0xff);
-		break;
-	case IEEE80211_RADIOTAP_RATE:
-		PRINT_RATE("", u.u8, " Mb/s ");
-		break;
-	case IEEE80211_RADIOTAP_DBM_ANTSIGNAL:
-		printf("%ddB signal ", u.i8);
-		break;
-	case IEEE80211_RADIOTAP_DBM_ANTNOISE:
-		printf("%ddB noise ", u.i8);
-		break;
-	case IEEE80211_RADIOTAP_DB_ANTSIGNAL:
-		printf("%ddB signal ", u.u8);
-		break;
-	case IEEE80211_RADIOTAP_DB_ANTNOISE:
-		printf("%ddB noise ", u.u8);
-		break;
-	case IEEE80211_RADIOTAP_LOCK_QUALITY:
-		printf("%u sq ", u.u16);
-		break;
-	case IEEE80211_RADIOTAP_TX_ATTENUATION:
-		printf("%d tx power ", -(int)u.u16);
-		break;
-	case IEEE80211_RADIOTAP_DB_TX_ATTENUATION:
-		printf("%ddB tx power ", -(int)u.u8);
-		break;
-	case IEEE80211_RADIOTAP_DBM_TX_POWER:
-		printf("%ddBm tx power ", u.i8);
-		break;
-	case IEEE80211_RADIOTAP_FLAGS:
-		if (u.u8 & IEEE80211_RADIOTAP_F_CFP)
-			printf("cfp ");
-		if (u.u8 & IEEE80211_RADIOTAP_F_SHORTPRE)
-			printf("short preamble ");
-		if (u.u8 & IEEE80211_RADIOTAP_F_WEP)
-			printf("wep ");
-		if (u.u8 & IEEE80211_RADIOTAP_F_FRAG)
-			printf("fragmented ");
-		if (u.u8 & IEEE80211_RADIOTAP_F_BADFCS)
-			printf("bad-fcs ");
-		break;
-	case IEEE80211_RADIOTAP_ANTENNA:
-		printf("antenna %d ", u.u8);
-		break;
-	case IEEE80211_RADIOTAP_TSFT:
-		printf("%" PRIu64 "us tsft ", u.u64);
-		break;
-	}
-	return 0;
-}
-
-static u_int
-ieee802_11_radio_print(const u_char *p, u_int length, u_int caplen)
-{
-#define	BITNO_32(x) (((x) >> 16) ? 16 + BITNO_16((x) >> 16) : BITNO_16((x)))
-#define	BITNO_16(x) (((x) >> 8) ? 8 + BITNO_8((x) >> 8) : BITNO_8((x)))
-#define	BITNO_8(x) (((x) >> 4) ? 4 + BITNO_4((x) >> 4) : BITNO_4((x)))
-#define	BITNO_4(x) (((x) >> 2) ? 2 + BITNO_2((x) >> 2) : BITNO_2((x)))
-#define	BITNO_2(x) (((x) & 2) ? 1 : 0)
-#define	BIT(n)	(1 << n)
-#define	IS_EXTENDED(__p)	\
-	    (EXTRACT_LE_32BITS(__p) & BIT(IEEE80211_RADIOTAP_EXT)) != 0
-
-	struct cpack_state cpacker;
-	struct ieee80211_radiotap_header *hdr;
-	u_int32_t present, next_present;
-	u_int32_t *presentp, *last_presentp;
-	enum ieee80211_radiotap_type bit;
-	int bit0;
-	const u_char *iter;
-	u_int len;
-	int pad;
-
-	if (caplen < sizeof(*hdr)) {
-		printf("[|802.11]");
-		return caplen;
-	}
-
-	hdr = (struct ieee80211_radiotap_header *)p;
-
-	len = EXTRACT_LE_16BITS(&hdr->it_len);
-
-	if (caplen < len) {
-		printf("[|802.11]");
-		return caplen;
-	}
-	for (last_presentp = &hdr->it_present;
-	     IS_EXTENDED(last_presentp) &&
-	     (u_char*)(last_presentp + 1) <= p + len;
-	     last_presentp++);
-
-	/* are there more bitmap extensions than bytes in header? */
-	if (IS_EXTENDED(last_presentp)) {
-		printf("[|802.11]");
-		return caplen;
-	}
-
-	iter = (u_char*)(last_presentp + 1);
-
-	if (cpack_init(&cpacker, (u_int8_t*)iter, len - (iter - p)) != 0) {
-		/* XXX */
-		printf("[|802.11]");
-		return caplen;
-	}
-
-	/* Assume no Atheros padding between 802.11 header and body */
-	pad = 0;
-	for (bit0 = 0, presentp = &hdr->it_present; presentp <= last_presentp;
-	     presentp++, bit0 += 32) {
-		for (present = EXTRACT_LE_32BITS(presentp); present;
-		     present = next_present) {
-			/* clear the least significant bit that is set */
-			next_present = present & (present - 1);
-
-			/* extract the least significant bit that is set */
-			bit = (enum ieee80211_radiotap_type)
-			    (bit0 + BITNO_32(present ^ next_present));
-
-			if (print_radiotap_field(&cpacker, bit, &pad) != 0)
-				goto out;
-		}
-	}
-out:
-	return len + ieee802_11_print(p + len, length - len, caplen - len, pad);
-#undef BITNO_32
-#undef BITNO_16
-#undef BITNO_8
-#undef BITNO_4
-#undef BITNO_2
-#undef BIT
-}
-
-static u_int
-ieee802_11_avs_radio_print(const u_char *p, u_int length, u_int caplen)
-{
-	u_int32_t caphdr_len;
-
-	caphdr_len = EXTRACT_32BITS(p + 4);
-	if (caphdr_len < 8) {
-		/*
-		 * Yow!  The capture header length is claimed not
-		 * to be large enough to include even the version
-		 * cookie or capture header length!
-		 */
-		printf("[|802.11]");
-		return caplen;
-	}
-
-	if (caplen < caphdr_len) {
-		printf("[|802.11]");
-		return caplen;
-	}
-
-	return caphdr_len + ieee802_11_print(p + caphdr_len,
-	    length - caphdr_len, caplen - caphdr_len, 0);
-}
-
-#define PRISM_HDR_LEN		144
-
-#define WLANCAP_MAGIC_COOKIE_V1	0x80211001
-
-/*
- * For DLT_PRISM_HEADER; like DLT_IEEE802_11, but with an extra header,
- * containing information such as radio information, which we
- * currently ignore.
- *
- * If, however, the packet begins with WLANCAP_MAGIC_COOKIE_V1, it's
- * really DLT_IEEE802_11_RADIO (currently, on Linux, there's no
- * ARPHRD_ type for DLT_IEEE802_11_RADIO, as there is a
- * ARPHRD_IEEE80211_PRISM for DLT_PRISM_HEADER, so
- * ARPHRD_IEEE80211_PRISM is used for DLT_IEEE802_11_RADIO, and
- * the first 4 bytes of the header are used to indicate which it is).
- */
-u_int
-prism_if_print(const struct pcap_pkthdr *h, const u_char *p)
-{
-	u_int caplen = h->caplen;
-	u_int length = h->len;
-
-	if (caplen < 4) {
-		printf("[|802.11]");
-		return caplen;
-	}
-
-	if (EXTRACT_32BITS(p) == WLANCAP_MAGIC_COOKIE_V1)
-		return ieee802_11_avs_radio_print(p, length, caplen);
-
-	if (caplen < PRISM_HDR_LEN) {
-		printf("[|802.11]");
-		return caplen;
-	}
-
-	return PRISM_HDR_LEN + ieee802_11_print(p + PRISM_HDR_LEN,
-	    length - PRISM_HDR_LEN, caplen - PRISM_HDR_LEN, 0);
-}
-
-/*
- * For DLT_IEEE802_11_RADIO; like DLT_IEEE802_11, but with an extra
- * header, containing information such as radio information, which we
- * currently ignore.
- */
-u_int
-ieee802_11_radio_if_print(const struct pcap_pkthdr *h, const u_char *p)
-{
-	u_int caplen = h->caplen;
-	u_int length = h->len;
-
-	if (caplen < 8) {
-		printf("[|802.11]");
-		return caplen;
-	}
-
-	return ieee802_11_radio_print(p, length, caplen);
-}