12 files changed, 0 insertions, 508 deletions
diff --git a/contrib/ipfilter/FreeBSD/conf.c.diffs b/contrib/ipfilter/FreeBSD/conf.c.diffs
deleted file mode 100644
index afd2880..0000000
--- a/contrib/ipfilter/FreeBSD/conf.c.diffs
+++ /dev/null
@@ -1,46 +0,0 @@
-*** conf.c.orig	Sun Jan 14 15:39:32 1996
---- conf.c	Sun Jan 14 15:48:21 1996
-***************
-*** 1128,1133 ****
---- 1128,1149 ----
-  #define	labpcioctl		nxioctl
-  #endif
-  
-+ #ifdef	IPFILTER
-+ d_open_t	iplopen;
-+ d_close_t	iplclose;
-+ d_ioctl_t	iplioctl;
-+ # ifdef	IPFILTER_LOG
-+ d_read_t	iplread;
-+ # else
-+ #define	iplread	nxread
-+ # endif
-+ #else
-+ #define	iplopen	nxopen
-+ #define	iplclose	nxclose
-+ #define	iplioctl	nxioctl
-+ #define	iplread		nxread
-+ #endif
-+ 
-  /* open, close, read, write, ioctl, stop, reset, ttys, select, mmap, strat */
-  struct cdevsw	cdevsw[] =
-  {
-***************
-*** 1199,1206 ****
-   * Otherwise, simply use the one reserved for local use.
-   */
-  	/* character device 20 is reserved for local use */
-! 	{ nxopen,	nxclose,	nxread,		nxwrite,	/*20*/
-! 	  nxioctl,	nxstop,		nxreset,	nxdevtotty,/* reserved */
-  	  nxselect,	nxmmap,		NULL },
-  	{ psmopen,	psmclose,	psmread,	nowrite,	/*21*/
-  	  psmioctl,	nostop,		nullreset,	nodevtotty,/* psm mice */
---- 1215,1222 ----
-   * Otherwise, simply use the one reserved for local use.
-   */
-  	/* character device 20 is reserved for local use */
-! 	{ iplopen,	iplclose,	iplread,	nxwrite,	/*20*/
-! 	  iplioctl,	nxstop,		nxreset,	nxdevtotty,/* reserved */
-  	  nxselect,	nxmmap,		NULL },
-  	{ psmopen,	psmclose,	psmread,	nowrite,	/*21*/
-  	  psmioctl,	nostop,		nullreset,	nodevtotty,/* psm mice */
diff --git a/contrib/ipfilter/FreeBSD/files.diffs b/contrib/ipfilter/FreeBSD/files.diffs
deleted file mode 100644
index 2f028e3..0000000
--- a/contrib/ipfilter/FreeBSD/files.diffs
+++ /dev/null
@@ -1,23 +0,0 @@
-*** files.orig	Sat Sep 30 18:01:55 1995
---- files	Sun Jan 14 14:32:25 1996
-***************
-*** 208,213 ****
---- 208,225 ----
-  netinet/tcp_timer.c	optional inet
-  netinet/tcp_usrreq.c	optional inet
-  netinet/udp_usrreq.c	optional inet
-+ netinet/ip_fil.c	optional ipfilter inet
-+ netinet/fil.c		optional ipfilter inet
-+ netinet/ip_nat.c	optional ipfilter inet
-+ netinet/ip_frag.c	optional ipfilter inet
-+ netinet/ip_state.c	optional ipfilter inet
-+ netinet/ip_auth.c	optional ipfilter inet
-+ netinet/ip_proxy.c	optional ipfilter inet
-+ netinet/ip_log.c	optional ipfilter inet
-+ netinet/ip_scan.c	optional ipfilter inet
-+ netinet/ip_sync.c	optional ipfilter inet
-+ netinet/ip_pool.c	optional ipfilter_pool ipfilter inet
-+ netinet/ip_rules.c	optional ipfilter_compiled ipfilter inet
-  netiso/clnp_debug.c	optional iso
-  netiso/clnp_er.c	optional iso
-  netiso/clnp_frag.c	optional iso
diff --git a/contrib/ipfilter/FreeBSD/files.newconf.diffs b/contrib/ipfilter/FreeBSD/files.newconf.diffs
deleted file mode 100644
index 29aea54..0000000
--- a/contrib/ipfilter/FreeBSD/files.newconf.diffs
+++ /dev/null
@@ -1,23 +0,0 @@
-*** files.newconf.orig	Sun Jun 25 02:17:29 1995
---- files.newconf	Sun Jun 25 02:19:10 1995
-***************
-*** 161,166 ****
---- 161,178 ----
-  file	netinet/ip_input.c	inet
-  file	netinet/ip_mroute.c	inet
-  file	netinet/ip_output.c	inet
-+ file	netinet/ip_fil.c	ipfilter
-+ file	netinet/fil.c		ipfilter
-+ file	netinet/ip_nat.c	ipfilter
-+ file	netinet/ip_frag.c	ipfilter
-+ file	netinet/ip_state.c	ipfilter
-+ file	netinet/ip_proxy.c	ipfilter
-+ file	netinet/ip_auth.c	ipfilter
-+ file	netinet/ip_log.c	ipfilter
-+ file	netinet/ip_scan.c	ipfilter
-+ file	netinet/ip_sync.c	ipfilter
-+ file	netinet/ip_pool.c	ipfilter_pool
-+ file	netinet/ip_rules.c	ipfilter_compiled
-  file	netinet/raw_ip.c	inet
-  file	netinet/tcp_debug.c	inet
-  file	netinet/tcp_input.c	inet
diff --git a/contrib/ipfilter/FreeBSD/files.oldconf.diffs b/contrib/ipfilter/FreeBSD/files.oldconf.diffs
deleted file mode 100644
index ed8aff9..0000000
--- a/contrib/ipfilter/FreeBSD/files.oldconf.diffs
+++ /dev/null
@@ -1,23 +0,0 @@
-*** files.oldconf.orig	Sat Apr 29 19:59:31 1995
---- files.oldconf	Sun Apr 23 17:54:18 1995
-***************
-*** 180,185 ****
---- 180,197 ----
-  netinet/tcp_timer.c	optional inet
-  netinet/tcp_usrreq.c	optional inet
-  netinet/udp_usrreq.c	optional inet
-+ netinet/ip_fil.c	optional ipfilter requires inet
-+ netinet/fil.c		optional ipfilter requires inet
-+ netinet/ip_nat.c	optional ipfilter requires inet
-+ netinet/ip_frag.c	optional ipfilter requires inet
-+ netinet/ip_state.c	optional ipfilter requires inet
-+ netinet/ip_proxy.c	optional ipfilter requires inet
-+ netinet/ip_auth.c	optional ipfilter requires inet
-+ netinet/ip_log.c	optional ipfilter requires inet
-+ netinet/ip_scan.c	optional ipfilter requires inet
-+ netinet/ip_sync.c	optional ipfilter requires inet
-+ netinet/ip_pool.c	optional ipfilter_pool requires ipfilter
-+ netinet/ip_rules.c	optional ipfilter_compiled requires ipfilter
-  netiso/clnp_debug.c	optional iso
-  netiso/clnp_er.c	optional iso
-  netiso/clnp_frag.c	optional iso
diff --git a/contrib/ipfilter/FreeBSD/filez.diffs b/contrib/ipfilter/FreeBSD/filez.diffs
deleted file mode 100644
index 9656006..0000000
--- a/contrib/ipfilter/FreeBSD/filez.diffs
+++ /dev/null
@@ -1,23 +0,0 @@
-*** files.orig	Sat Apr 29 20:00:02 1995
---- files	Sun Apr 23 17:53:58 1995
-***************
-*** 222,227 ****
---- 222,235 ----
-  file netinet/tcp_timer.c	inet
-  file netinet/tcp_usrreq.c	inet
-  file netinet/udp_usrreq.c	inet
-+ file netinet/ip_fil.c		ipfilter
-+ file netinet/fil.c		ipfilter
-+ file netinet/ip_nat.c		ipfilter
-+ file netinet/ip_frag.c	ipfilter
-+ file netinet/ip_state.c	ipfilter
-+ file netinet/ip_proxy.c	ipfilter
-+ file netinet/ip_auth.c	ipfilter
-+ file netinet/ip_log.c		ipfilter
-+ file netinet/ip_scan.c	ipfilter
-+ file netinet/ip_sync.c	ipfilter
-+ file netinet/ip_pool.c	ipfilter_pool
-+ file netinet/ip_rules.c	ipfilter_compiled
-  file netiso/clnp_debug.c	iso
-  file netiso/clnp_er.c	 	iso
-  file netiso/clnp_frag.c	 	iso
diff --git a/contrib/ipfilter/FreeBSD/in_proto.c.diffs b/contrib/ipfilter/FreeBSD/in_proto.c.diffs
deleted file mode 100644
index 052dd51..0000000
--- a/contrib/ipfilter/FreeBSD/in_proto.c.diffs
+++ /dev/null
@@ -1,16 +0,0 @@
-*** in_proto.c.orig	Wed Sep  6 20:31:34 1995
---- in_proto.c	Mon Mar 11 22:40:03 1996
-***************
-*** 81,86 ****
---- 81,91 ----
-  void	eoninput(), eonctlinput(), eonprotoinit();
-  #endif /* EON */
-  
-+ #ifdef	IPFILTER
-+ void	iplinit();
-+ #define	ip_init	iplinit
-+ #endif
-+ 
-  void rsvp_input(struct mbuf *, int);
-  void ipip_input(struct mbuf *, int);
-  
diff --git a/contrib/ipfilter/FreeBSD/ip_input.c.diffs b/contrib/ipfilter/FreeBSD/ip_input.c.diffs
deleted file mode 100644
index a70be89..0000000
--- a/contrib/ipfilter/FreeBSD/ip_input.c.diffs
+++ /dev/null
@@ -1,88 +0,0 @@
-*** /sys/netinet/ip_input.c.orig	Thu Oct 24 22:27:27 1996
---- /sys/netinet/ip_input.c	Tue Feb 18 21:18:19 1997
-***************
-*** 93,98 ****
---- 93,102 ----
-  int	ipqmaxlen = IFQ_MAXLEN;
-  struct	in_ifaddr *in_ifaddr;			/* first inet address */
-  struct	ifqueue ipintrq;
-+ #if defined(IPFILTER_LKM) || defined(IPFILTER)
-+ int	fr_check __P((struct ip *, int, struct ifnet *, int, struct mbuf **));
-+ int	(*fr_checkp) __P((struct ip *, int, struct ifnet *, int, struct mbuf **));
-+ #endif
-  
-  struct ipstat ipstat;
-  struct ipq ipq;
-***************
-*** 219,226 ****
-  		}
-  		ip = mtod(m, struct ip *);
-  	}
-! 	ip->ip_sum = in_cksum(m, hlen);
-! 	if (ip->ip_sum) {
-  		ipstat.ips_badsum++;
-  		goto bad;
-  	}
---- 223,229 ----
-  		}
-  		ip = mtod(m, struct ip *);
-  	}
-! 	if (in_cksum(m, hlen)) {
-  		ipstat.ips_badsum++;
-  		goto bad;
-  	}
-***************
-*** 267,272 ****
---- 270,288 ----
-  	       goto next;
-  	}
-  
-+ #if defined(IPFILTER) || defined(IPFILTER_LKM)
-+ 	/*
-+ 	 * Check if we want to allow this packet to be processed.
-+ 	 * Consider it to be bad if not.
-+ 	 */
-+ 	if (fr_checkp) {
-+ 		struct	mbuf	*m1 = m;
-+ 
-+ 		if ((*fr_checkp)(ip, hlen, m->m_pkthdr.rcvif, 0, &m1) || !m1)
-+ 			goto next;
-+ 		ip = mtod(m = m1, struct ip *);
-+ 	}
-+ #endif
-  	/*
-  	 * Process options and, if not destined for us,
-  	 * ship it on.  ip_dooptions returns 1 when an
-***************
-*** 527,532 ****
---- 533,540 ----
-       * if they are completely covered, dequeue them.
-       */
-      while (q != (struct ipasfrag *)fp && ip->ip_off + ip->ip_len > q->ip_off) {
-+             struct mbuf *m0;
-+ 
-              i = (ip->ip_off + ip->ip_len) - q->ip_off;
-              if (i < q->ip_len) {
-                      q->ip_len -= i;
-***************
-*** 526,534 ****
-  			m_adj(dtom(q), i);
-  			break;
-  		}
-  		q = q->ipf_next;
-- 		m_freem(dtom(q->ipf_prev));
-  		ip_deq(q->ipf_prev);
-  	}
-  
-  insert:
---- 542,551 ----
-  			m_adj(dtom(q), i);
-  			break;
-  		}
-+ 		m0 = dtom(q);
-  		q = q->ipf_next;
-  		ip_deq(q->ipf_prev);
-+ 		m_freem(m0);
-  	}
-  
-  insert:
diff --git a/contrib/ipfilter/FreeBSD/ip_output.c.diffs b/contrib/ipfilter/FreeBSD/ip_output.c.diffs
deleted file mode 100644
index f1fe9ac..0000000
--- a/contrib/ipfilter/FreeBSD/ip_output.c.diffs
+++ /dev/null
@@ -1,36 +0,0 @@
-*** /sys/netinet/ip_output.c.orig	Thu Oct 24 22:27:28 1996
---- /sys/netinet/ip_output.c	Tue Feb 18 21:38:23 1997
-***************
-*** 65,70 ****
---- 65,74 ----
-  static struct mbuf *ip_insertoptions __P((struct mbuf *, struct mbuf *, int *));
-  static void ip_mloopback
-  	__P((struct ifnet *, struct mbuf *, struct sockaddr_in *));
-+ #if defined(IPFILTER_LKM) || defined(IPFILTER)
-+ extern int fr_check __P((struct ip *, int, struct ifnet *, int, struct mbuf **));
-+ extern int (*fr_checkp) __P((struct ip *, int, struct ifnet *, int, struct mbuf **));
-+ #endif
-  
-  /*
-   * IP output.  The packet in mbuf chain m contains a skeletal IP
-***************
-*** 330,335 ****
---- 334,351 ----
-  		m->m_flags &= ~M_BCAST;
-  
-  sendit:
-+ #if defined(IPFILTER) || defined(IPFILTER_LKM)
-+ 	/*
-+ 	 * looks like most checking has been done now...do a filter check
-+ 	 */
-+ 	if (fr_checkp) {
-+ 		struct	mbuf	*m1 = m;
-+ 
-+ 		if ((error = (*fr_checkp)(ip, hlen, ifp, 1, &m1)) || !m1)
-+ 			goto done;
-+ 		ip = mtod(m = m1, struct ip *);
-+ 	    }
-+ #endif
-  	/*
-  	 * Check with the firewall...
-  	 */
diff --git a/contrib/ipfilter/FreeBSD/kinstall b/contrib/ipfilter/FreeBSD/kinstall
deleted file mode 100755
index 2b67b9a..0000000
--- a/contrib/ipfilter/FreeBSD/kinstall
+++ /dev/null
@@ -1,72 +0,0 @@
-#!/bin/csh -f
-#
-set dir=`pwd`
-set karch=`uname -m`
-if ( -d /sys/arch/$karch ) set archdir="/sys/arch/$karch"
-if ( -d /sys/$karch ) set archdir="/sys/$karch"
-set confdir="$archdir/conf"
-
-if ( $dir =~ */FreeBSD ) cd ..
-echo -n "Installing "
-foreach i (ip_{auth,fil,frag,nat,pool,proxy,scan,state,sync}.[ch] fil.c \
-	   ip_*_pxy.c ip_compat.h ip_log.c )
-	echo -n "$i ";
-	cp $i /sys/netinet
-	chmod 644 /sys/netinet/$i
-	switch ($i)
-	case *.h:
-		/bin/cp $i /usr/include/netinet/$i
-		chmod 644 /usr/include/netinet/$i
-		breaksw 
-	endsw   
-end
-echo ""
-grep iplopen $archdir/$karch/conf.c >& /dev/null
-if ( $status != 0 ) then
-	echo "Patching $archdir/$karch/conf.c"
-	cat FreeBSD/conf.c.diffs | (cd $archdir/$karch; patch)
-endif
-grep fr_checkp /sys/netinet/ip_input.c >& /dev/null
-if ( $status != 0 ) then
-	echo "Patching ip_input.c, ip_output.c and in_proto.c"
-	cat FreeBSD/ip_{in,out}put.c.diffs FreeBSD/in_proto.c.diffs | \
-	(cd /sys/netinet; patch)
-endif
-if ( -f /sys/conf/files.newconf ) then
-	echo "Patching /sys/conf/files.newconf"
-	cat FreeBSD/files.newconf.diffs | (cd /sys/conf; patch)
-	echo "Patching /sys/conf/files"
-	cat FreeBSD/files.diffs | (cd /sys/conf; patch)
-endif
-if ( -f /sys/conf/files.oldconf ) then
-	echo "Patching /sys/conf/files.oldconf"
-	cat FreeBSD/files.oldconf.diffs | (cd /sys/conf; patch)
-	echo "Patching /sys/conf/files"
-	cat FreeBSD/filez.diffs | (cd /sys/conf; patch)
-endif
-
-set config=`(cd $confdir; /bin/ls -1t [0-9A-Z_]*) | head -1`
-echo -n "Kernel configuration to update [$config] "
-set newconfig=$<
-if ( "$newconfig" != "" ) then
-	set config="$confdir/$newconfig"
-else
-	set newconfig=$config
-endif
-echo "Re-config'ing $newconfig..."
-if ( -f $confdir/$newconfig ) then
-	mv $confdir/$newconfig $confdir/$newconfig.bak
-endif
-if ( -d $archdir/../compile/$newconfig ) then
-	set bak=".bak"
-	set dot=0
-	while ( -d $archdir/../compile/${newconfig}.${bak} )
-		set bak=".bak.$dot"
-		set dot=`expr 1 + $dot`
-	end
-	mv $archdir/../compile/$newconfig $archdir/../compile/${newconfig}.${bak}
-endif
-awk '{print $0;if($2=="INET"){print"options IPFILTER"}}' \
-	$confdir/$newconfig.bak > $confdir/$newconfig
-echo 'You will now need to run "config" and build a new kernel.'
-exit 0
diff --git a/contrib/ipfilter/FreeBSD/minstall b/contrib/ipfilter/FreeBSD/minstall
deleted file mode 100755
index 0cfe7c3..0000000
--- a/contrib/ipfilter/FreeBSD/minstall
+++ /dev/null
@@ -1,51 +0,0 @@
-#!/bin/csh -f
-#
-set dir=`pwd`
-set karch=`uname -m`
-if ( -d /sys/arch/$karch ) set archdir="/sys/arch/$karch"
-if ( -d /sys/$karch ) set archdir="/sys/$karch"
-set confdir="$archdir/conf"
-
-if ( $dir =~ */FreeBSD ) cd ..
-echo "Patching ip_input.c, ip_output.c and in_proto.c"
-cat FreeBSD/ip_{in,out}put.c.diffs FreeBSD/in_proto.c.diffs |  \
-(cd /sys/netinet; patch)
-
-if ( -f /sys/conf/files.newconf ) then
-	echo "Patching /sys/conf/files.newconf"
-	cat FreeBSD/files.newconf.diffs | (cd /sys/conf; patch)
-	echo "Patching /sys/conf/files"
-	cat FreeBSD/files.diffs | (cd /sys/conf; patch)
-endif
-if ( -f /sys/conf/files.oldconf ) then
-	echo "Patching /sys/conf/files.oldconf"
-	cat FreeBSD/files.oldconf.diffs | (cd /sys/conf; patch)
-	echo "Patching /sys/conf/files"
-	cat FreeBSD/filez.diffs | (cd /sys/conf; patch)
-endif
-
-set config=`(cd $confdir; /bin/ls -1t [0-9A-Z_]*) | head -1`
-echo -n "Kernel configuration to update [$config] "
-set newconfig=$<
-if ( "$newconfig" != "" ) then
-	set config="$confdir/$newconfig"
-else
-	set newconfig=$config
-endif
-echo "Re-config'ing $newconfig..."
-if ( -f $confdir/$newconfig ) then
-	mv $confdir/$newconfig $confdir/$newconfig.bak
-endif
-if ( -d $archdir/../compile/$newconfig ) then
-	set bak=".bak"
-	set dot=0
-	while ( -d $archdir/../compile/${newconfig}.${bak} )
-		set bak=".bak.$dot"
-		set dot=`expr 1 + $dot`
-	end
-	mv $archdir/../compile/$newconfig $archdir/../compile/${newconfig}.$bak
-endif
-awk '{print $0;if($2=="INET"){print"options IPFILTER_LKM"}}' \
-	$confdir/$newconfig.bak > $confdir/$newconfig
-echo 'You will now need to run "config" and build a new kernel.'
-exit 0
diff --git a/contrib/ipfilter/FreeBSD/unkinstall b/contrib/ipfilter/FreeBSD/unkinstall
deleted file mode 100755
index 8547fcd..0000000
--- a/contrib/ipfilter/FreeBSD/unkinstall
+++ /dev/null
@@ -1,58 +0,0 @@
-#!/bin/csh -f
-#
-set dir=`pwd`
-set karch=`uname -m`
-if ( -d /sys/arch/$karch ) set archdir="/sys/arch/$karch"
-if ( -d /sys/$karch ) set archdir="/sys/$karch"
-set confdir="$archdir/conf"
-
-if ( $dir =~ */FreeBSD ) cd ..
-echo -n "Uninstalling "
-foreach i (ip_fil.[ch] ip_nat.[ch] ip_frag.[ch] ip_state.[ch] fil.c \
-	   ip_compat.h ip_auth.[ch] ip_proxy.[ch] ip_ftp_pxy.c ip_log.c)
-	echo -n "$i ";
-	/bin/rm -f /sys/netinet/$i
-end
-echo ""
-echo "Unpatching $archdir/$karch/conf.c"
-cat FreeBSD/conf.c.diffs | (cd $archdir/$karch; patch -R)
-echo "Unpatching ip_input.c, ip_output.c and in_proto.c"
-cat FreeBSD/ip_{in,out}put.c.diffs FreeBSD/in_proto.c.diffs | \
-(cd /sys/netinet; patch -R)
-
-if ( -f /sys/conf/files.newconf ) then
-	echo "Unpatching /sys/conf/files.newconf"
-	cat FreeBSD/files.newconf.diffs | (cd /sys/conf; patch -R)
-	echo "Unpatching /sys/conf/files"
-	cat FreeBSD/files.diffs | (cd /sys/conf; patch -R)
-endif
-if ( -f /sys/conf/files.oldconf ) then
-	echo "Unpatching /sys/conf/files.oldconf"
-	cat FreeBSD/files.oldconf.diffs | (cd /sys/conf; patch -R)
-	echo "Unpatching /sys/conf/files"
-	cat FreeBSD/filez.diffs | (cd /sys/conf; patch -R)
-endif
-
-set config=`(cd $confdir; /bin/ls -1t [0-9A-Z_]*) | head -1`
-echo -n "Kernel configuration to update [$config] "
-set newconfig=$<
-if ( "$newconfig" != "" ) then
-	set config="$confdir/$newconfig"
-else
-	set newconfig=$config
-endif
-if ( -f $confdir/$newconfig ) then
-	mv $confdir/$newconfig $confdir/$newconfig.bak
-endif
-if ( -d $archdir/../compile/$newconfig ) then
-	set bak=".bak"
-	set dot=0
-	while ( -d $archdir/../compile/${newconfig}.${bak} )
-		set bak=".bak.$dot"
-		set dot=`expr 1 + $dot`
-	end
-	mv $archdir/../compile/$newconfig $archdir/../compile/${newconfig}.${bak}
-endif
-egrep -v IPFILTER $confdir/$newconfig.bak > $confdir/$newconfig
-echo 'You will now need to run "config" and build a new kernel.'
-exit 0
diff --git a/contrib/ipfilter/FreeBSD/unminstall b/contrib/ipfilter/FreeBSD/unminstall
deleted file mode 100755
index a25746c..0000000
--- a/contrib/ipfilter/FreeBSD/unminstall
+++ /dev/null
@@ -1,49 +0,0 @@
-#!/bin/csh -f
-#
-set dir=`pwd`
-set karch=`uname -m`
-if ( -d /sys/arch/$karch ) set archdir="/sys/arch/$karch"
-if ( -d /sys/$karch ) set archdir="/sys/$karch"
-set confdir="$archdir/conf"
-
-if ( $dir =~ */FreeBSD ) cd ..
-echo "Unpatching ip_input.c, ip_output.c and in_proto.c"
-cat FreeBSD/ip_{in,out}put.c.diffs FreeBSD/in_proto.c.diffs |  \
-(cd /sys/netinet; patch -R)
-
-if ( -f /sys/conf/files.newconf ) then
-	echo "Unpatching /sys/conf/files.newconf"
-	cat FreeBSD/files.newconf.diffs | (cd /sys/conf; patch -R)
-	echo "Unpatching /sys/conf/files"
-	cat FreeBSD/files.diffs | (cd /sys/conf; patch -R)
-endif
-if ( -f /sys/conf/files.oldconf ) then
-	echo "Unpatching /sys/conf/files.oldconf"
-	cat FreeBSD/files.oldconf.diffs | (cd /sys/conf; patch -R)
-	echo "Unpatching /sys/conf/files"
-	cat FreeBSD/filez.diffs | (cd /sys/conf; patch -R)
-endif
-
-set config=`(cd $confdir; /bin/ls -1t [0-9A-Z_]*) | head -1`
-echo -n "Kernel configuration to update [$config] "
-set newconfig=$<
-if ( "$newconfig" != "" ) then
-	set config="$confdir/$newconfig"
-else
-	set newconfig=$config
-endif
-if ( -f $confdir/$newconfig ) then
-	mv $confdir/$newconfig $confdir/$newconfig.bak
-endif
-if ( -d $archdir/../compile/$newconfig ) then
-	set bak=".bak"
-	set dot=0
-	while ( -d $archdir/../compile/${newconfig}.${bak} )
-		set bak=".bak.$dot"
-		set dot=`expr 1 + $dot`
-	end
-	mv $archdir/../compile/$newconfig $archdir/../compile/${newconfig}.$bak
-endif
-grep -v IPFILTER $confdir/$newconfig.bak > $confdir/$newconfig
-echo 'You will now need to run "config" and build a new kernel.'
-exit 0