1 files changed, 0 insertions, 127 deletions
diff --git a/usr.sbin/natd/icmp.c b/usr.sbin/natd/icmp.c
deleted file mode 100644
index 1a144c2..0000000
--- a/usr.sbin/natd/icmp.c
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * natd - Network Address Translation Daemon for FreeBSD.
- *
- * This software is provided free of charge, with no 
- * warranty of any kind, either expressed or implied.
- * Use at your own risk.
- * 
- * You may copy, modify and distribute this software (icmp.c) freely.
- *
- * Ari Suutari <suutari@iki.fi>
- *
- *	$Id:$
- */
-
-#include <stdlib.h>
-#include <stdio.h>
-#include <unistd.h>
-#include <string.h>
-#include <ctype.h>
-
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <errno.h>
-#include <signal.h>
-
-#include <netdb.h>
-
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-#include <netinet/ip_icmp.h>
-#include <machine/in_cksum.h>
-
-#include <alias.h>
-
-#include "natd.h"
-
-int SendNeedFragIcmp (int sock, struct ip* failedDgram, int mtu)
-{
-	char			icmpBuf[IP_MAXPACKET];
-	struct ip*		ip;
-	struct icmp*		icmp;
-	int			icmpLen;
-	int			failBytes;
-	int			failHdrLen;
-	struct sockaddr_in	addr;
-	int			wrote;
-	struct in_addr		swap;
-/*
- * Don't send error if packet is
- * not the first fragment.
- */
-	if (ntohs (failedDgram->ip_off) & ~(IP_MF | IP_DF))
-		return 0;
-/*
- * Dont respond if failed datagram is ICMP.
- */
-	if (failedDgram->ip_p == IPPROTO_ICMP)
-		return 0;
-/*
- * Start building the message.
- */
-	ip   = (struct ip*) icmpBuf;
-	icmp = (struct icmp*) (icmpBuf + sizeof (struct ip));
-/*
- * Complete ICMP part.
- */
-	icmp->icmp_type  	= ICMP_UNREACH;
-	icmp->icmp_code		= ICMP_UNREACH_NEEDFRAG;
-	icmp->icmp_cksum	= 0;
-	icmp->icmp_void		= 0;
-	icmp->icmp_nextmtu	= htons (mtu);
-/*
- * Copy header + 64 bits of original datagram.
- */
-	failHdrLen = (failedDgram->ip_hl << 2);
-	failBytes  = failedDgram->ip_len - failHdrLen;
-	if (failBytes > 8)
-		failBytes = 8;
-
-	failBytes += failHdrLen;
-	icmpLen    = ICMP_MINLEN + failBytes;
-
-	memcpy (&icmp->icmp_ip, failedDgram, failBytes);
-/*
- * Calculate checksum.
- */
-	icmp->icmp_cksum = PacketAliasInternetChecksum ((u_short*) icmp,
-							icmpLen);
-/*
- * Add IP header using old IP header as template.
- */
-	memcpy (ip, failedDgram, sizeof (struct ip));
-
-	ip->ip_v	= 4;
-	ip->ip_hl	= 5;
-	ip->ip_len	= htons (sizeof (struct ip) + icmpLen);
-	ip->ip_p	= IPPROTO_ICMP;
-	ip->ip_tos	= 0;
-
-	swap = ip->ip_dst;
-	ip->ip_dst = ip->ip_src;
-	ip->ip_src = swap;
-
-	PacketAliasIn ((char*) ip, IP_MAXPACKET);
-
-	addr.sin_family		= AF_INET;
-	addr.sin_addr		= ip->ip_dst;
-	addr.sin_port		= 0;
-/*
- * Put packet into processing queue.
- */
-	wrote = sendto (sock, 
-		        icmp,
-	    		icmpLen,
-	    		0,
-	    		(struct sockaddr*) &addr,
-	    		sizeof addr);
-	
-	if (wrote != icmpLen)
-		Warn ("Cannot send ICMP message.");
-
-	return 1;
-}
-
-