some ipfilter files that accidently got imported here

3 files changed, 0 insertions, 696 deletions

diff --git a/sys/netinet/ip_h323_pxy.c b/sys/netinet/ip_h323_pxy.c
deleted file mode 100644
index 8d8ef92..0000000
--- a/sys/netinet/ip_h323_pxy.c
+++ /dev/null
@@ -1,295 +0,0 @@
-/*
- * Copyright 2001, QNX Software Systems Ltd. All Rights Reserved
- * 
- * This source code has been published by QNX Software Systems Ltd. (QSSL).
- * However, any use, reproduction, modification, distribution or transfer of
- * this software, or any software which includes or is based upon any of this
- * code, is only permitted under the terms of the QNX Open Community License
- * version 1.0 (see licensing.qnx.com for details) or as otherwise expressly
- * authorized by a written license agreement from QSSL. For more information,
- * please email licensing@qnx.com.
- *
- * For more details, see QNX_OCL.txt provided with this distribution.
- */
-
-/*
- * Simple H.323 proxy
- * 
- *      by xtang@canada.com
- *	ported to ipfilter 3.4.20 by Michael Grant mg-ipf@grant.org
- */
-
-#if __FreeBSD_version >= 220000 && defined(_KERNEL)
-# include <sys/fcntl.h>
-# include <sys/filio.h>
-#else
-# include <sys/ioctl.h>
-#endif
-
-#define IPF_H323_PROXY
-
-int  ippr_h323_init __P((void));
-int  ippr_h323_new __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-void ippr_h323_del __P((ap_session_t *));
-int  ippr_h323_out __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-int  ippr_h323_in __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-
-int  ippr_h245_init __P((void));
-int  ippr_h245_new __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-int  ippr_h245_out __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-int  ippr_h245_in __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-
-static	frentry_t	h323_fr;
-#if	(SOLARIS || defined(__sgi)) && defined(_KERNEL)
-extern  KRWLOCK_T   ipf_nat;
-#endif
-
-static int find_port __P((int, u_char *, int datlen, int *, u_short *));
-
-
-static int find_port(ipaddr, data, datlen, off, port)
-int ipaddr;
-unsigned char *data;
-int datlen, *off;
-unsigned short *port;
-{
-	u_32_t addr, netaddr;
-	u_char *dp;
-	int offset;
-
-	if (datlen < 6)
-		return -1;
-	
-	*port = 0;
-	offset = *off;
-	dp = (u_char *)data;
-	netaddr = ntohl(ipaddr);
-
-	for (offset = 0; offset <= datlen - 6; offset++, dp++) {
-		addr = (dp[0] << 24) | (dp[1] << 16) | (dp[2] << 8) | dp[3];
-		if (netaddr == addr)
-		{
-			*port = (*(dp + 4) << 8) | *(dp + 5);
-			break;
-		}
-	}
-	*off = offset;
-  	return (offset > datlen - 6) ? -1 : 0;
-}
-
-/*
- * Initialize local structures.
- */
-int ippr_h323_init()
-{
-	bzero((char *)&h323_fr, sizeof(h323_fr));
-	h323_fr.fr_ref = 1;
-	h323_fr.fr_flags = FR_INQUE|FR_PASS|FR_QUICK|FR_KEEPSTATE;
-
-	return 0;
-}
-
-
-int ippr_h323_new(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	aps->aps_data = NULL;
-	aps->aps_psiz = 0;
-
-	return 0;
-}
-
-
-void ippr_h323_del(aps)
-ap_session_t *aps;
-{
-	int i;
-	ipnat_t *ipn;
-	
-	if (aps->aps_data) {
-		for (i = 0, ipn = aps->aps_data;
-		     i < (aps->aps_psiz / sizeof(ipnat_t)); 
-		     i++, ipn = (ipnat_t *)((char *)ipn + sizeof(*ipn)))
-		{
-			/* 
-			 * Check the comment in ippr_h323_in() function,
-			 * just above nat_ioctl() call.
-			 * We are lucky here because this function is not
-			 * called with ipf_nat locked.
-			 */
-			if (nat_ioctl((caddr_t)ipn, SIOCRMNAT, NAT_SYSSPACE|
-				      NAT_LOCKHELD|FWRITE) == -1) {
-				/* log the error */
-			}
-		}
-		KFREES(aps->aps_data, aps->aps_psiz);
-		/* avoid double free */
-		aps->aps_data = NULL;
-		aps->aps_psiz = 0;
-	}
-	return;
-}
-
-
-int ippr_h323_out(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	return 0;
-}
-
-
-int ippr_h323_in(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	int ipaddr, off, datlen;
-	unsigned short port;
-	unsigned char *data;
-	tcphdr_t *tcp;
-	
-	tcp = (tcphdr_t *)fin->fin_dp;
-	ipaddr = ip->ip_src.s_addr;
-	
-	data = (unsigned char *)tcp + (tcp->th_off << 2);
-	datlen = fin->fin_dlen - (tcp->th_off << 2);
-	if (find_port(ipaddr, data, datlen, &off, &port) == 0) {
-		ipnat_t *ipn;
-		char *newarray;
-
-		/* setup a nat rule to set a h245 proxy on tcp-port "port"
-		 * it's like:
-		 *   map <if> <inter_ip>/<mask> -> <gate_ip>/<mask> proxy port <port> <port>/tcp
-		 */
-		KMALLOCS(newarray, char *, aps->aps_psiz + sizeof(*ipn));
-		if (newarray == NULL) {
-			return -1;
-		}
-		ipn = (ipnat_t *)&newarray[aps->aps_psiz];
-		bcopy(nat->nat_ptr, ipn, sizeof(ipnat_t));
-		strncpy(ipn->in_plabel, "h245", APR_LABELLEN);
-		
-		ipn->in_inip = nat->nat_inip.s_addr;
-		ipn->in_inmsk = 0xffffffff;
-		ipn->in_dport = htons(port);
-		/* 
-		 * we got a problem here. we need to call nat_ioctl() to add
-		 * the h245 proxy rule, but since we already hold (READ locked)
-		 * the nat table rwlock (ipf_nat), if we go into nat_ioctl(),
-		 * it will try to WRITE lock it. This will causing dead lock
-		 * on RTP.
-		 * 
-		 * The quick & dirty solution here is release the read lock,
-		 * call nat_ioctl() and re-lock it.
-		 * A (maybe better) solution is do a UPGRADE(), and instead
-		 * of calling nat_ioctl(), we add the nat rule ourself.
-		 */
-		RWLOCK_EXIT(&ipf_nat);
-		if (nat_ioctl((caddr_t)ipn, SIOCADNAT,
-			      NAT_SYSSPACE|FWRITE) == -1) {
-			READ_ENTER(&ipf_nat);
-			return -1;
-		}
-		READ_ENTER(&ipf_nat);
-		if (aps->aps_data != NULL && aps->aps_psiz > 0) {
-			bcopy(aps->aps_data, newarray, aps->aps_psiz);
-			KFREES(aps->aps_data, aps->aps_psiz);
-		}
-		aps->aps_data = newarray;
-		aps->aps_psiz += sizeof(*ipn);
-	}
-	return 0;
-}
-
-
-int ippr_h245_init()
-{
-	return 0;
-}
-
-
-int ippr_h245_new(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	aps->aps_data = NULL;
-	aps->aps_psiz = 0;
-	return 0;
-}
-
-
-int ippr_h245_out(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	int ipaddr, off, datlen;
-	u_short port;
-	unsigned char *data;
-	tcphdr_t *tcp;
-	
-	tcp = (tcphdr_t *)fin->fin_dp;
-	ipaddr = nat->nat_inip.s_addr;
-	data = (unsigned char *)tcp + (tcp->th_off << 2);
-	datlen = ip->ip_len - fin->fin_hlen - (tcp->th_off << 2);
-	if (find_port(ipaddr, data, datlen, &off, &port) == 0) {
-		fr_info_t fi;
-		nat_t     *ipn;
-
-/*		port = htons(port); */
-		ipn = nat_outlookup(fin->fin_ifp, IPN_UDP, IPPROTO_UDP,
-				    ip->ip_src, ip->ip_dst, 1);
-		if (ipn == NULL) {
-			struct ip newip;
-			struct udphdr udp;
-			
-			bcopy(ip, &newip, sizeof(newip));
-			newip.ip_len = fin->fin_hlen + sizeof(udp);
-			newip.ip_p = IPPROTO_UDP;
-			newip.ip_src = nat->nat_inip;
-			
-			bzero(&udp, sizeof(udp));
-			udp.uh_sport = port;
-			
-			bcopy(fin, &fi, sizeof(fi));
-			fi.fin_fi.fi_p = IPPROTO_UDP;
-			fi.fin_data[0] = port;
-			fi.fin_data[1] = 0;
-			fi.fin_dp = (char *)&udp;
-			
-			ipn = nat_new(&fi, &newip, nat->nat_ptr, NULL,
-				      IPN_UDP|FI_W_DPORT, NAT_OUTBOUND);
-			if (ipn != NULL) {
-				ipn->nat_ptr->in_hits++;
-#ifdef	IPFILTER_LOG
-				nat_log(ipn, (u_int)(nat->nat_ptr->in_redir));
-#endif
-				bcopy((u_char*)&ip->ip_src.s_addr,
-				      data + off, 4);
-				bcopy((u_char*)&ipn->nat_outport,
-				      data + off + 4, 2);
-			}
-		}
-	}
-	return 0;
-}
-
-
-int ippr_h245_in(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	return 0;
-}
diff --git a/sys/netinet/ip_ipsec_pxy.c b/sys/netinet/ip_ipsec_pxy.c
deleted file mode 100644
index 40ce131..0000000
--- a/sys/netinet/ip_ipsec_pxy.c
+++ /dev/null
@@ -1,292 +0,0 @@
-/*
- * Simple ISAKMP transparent proxy for in-kernel use.  For use with the NAT
- * code.
- *
- * $Id: ip_ipsec_pxy.c,v 1.1.2.10 2002/01/13 04:58:29 darrenr Exp $
- *
- */
-#define	IPF_IPSEC_PROXY
-
-
-int ippr_ipsec_init __P((void));
-int ippr_ipsec_new __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-void ippr_ipsec_del __P((ap_session_t *));
-int ippr_ipsec_out __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-int ippr_ipsec_match __P((fr_info_t *, ap_session_t *, nat_t *));
-
-static	frentry_t	ipsecfr;
-
-
-static	char	ipsec_buffer[1500];
-
-/*
- * RCMD application proxy initialization.
- */
-int ippr_ipsec_init()
-{
-	bzero((char *)&ipsecfr, sizeof(ipsecfr));
-	ipsecfr.fr_ref = 1;
-	ipsecfr.fr_flags = FR_OUTQUE|FR_PASS|FR_QUICK|FR_KEEPSTATE;
-	return 0;
-}
-
-
-/*
- * Setup for a new IPSEC proxy.
- */
-int ippr_ipsec_new(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	ipsec_pxy_t *ipsec;
-	fr_info_t fi;
-	ipnat_t *ipn;
-	char *ptr;
-	int p, off, dlen;
-	mb_t *m;
-
-	bzero(ipsec_buffer, sizeof(ipsec_buffer));
-	off = fin->fin_hlen + sizeof(udphdr_t);
-#ifdef	_KERNEL
-# if     SOLARIS
-	m = fin->fin_qfm;
-
-	dlen = msgdsize(m) - off;
-	if (dlen < 16)
-		return -1;
-	copyout_mblk(m, off, MIN(sizeof(ipsec_buffer), dlen), ipsec_buffer);
-# else
-	m = *(mb_t **)fin->fin_mp;
-	dlen = mbufchainlen(m) - off;
-	if (dlen < 16)
-		return -1;
-	m_copydata(m, off, MIN(sizeof(ipsec_buffer), dlen), ipsec_buffer);
-# endif
-#else
-	m = *(mb_t **)fin->fin_mp;
-	dlen = ip->ip_len - off;
-	ptr = (char *)m;
-	ptr += off;
-	bcopy(ptr, ipsec_buffer, MIN(sizeof(ipsec_buffer), dlen));
-#endif
-
-	/*
-	 * Because _new() gets called from nat_new(), ipf_nat is held with a
-	 * write lock so pass rw=1 to nat_outlookup().
-	 */
-	if (nat_outlookup(fin, 0, IPPROTO_ESP, nat->nat_inip,
-			  ip->ip_dst, 1) != NULL)
-		return -1;
-
-	aps->aps_psiz = sizeof(*ipsec);
-	KMALLOCS(aps->aps_data, ipsec_pxy_t *, sizeof(*ipsec));
-	if (aps->aps_data == NULL)
-		return -1;
-
-	ipsec = aps->aps_data;
-	bzero((char *)ipsec, sizeof(*ipsec));
-
-	/*
-	 * Create NAT rule against which the tunnel/transport mapping is
-	 * created.  This is required because the current NAT rule does not
-	 * describe ESP but UDP instead.
-	 */
-	ipn = &ipsec->ipsc_rule;
-	ipn->in_ifp = fin->fin_ifp;
-	ipn->in_apr = NULL;
-	ipn->in_use = 1;
-	ipn->in_hits = 1;
-	ipn->in_nip = ntohl(nat->nat_outip.s_addr);
-	ipn->in_ippip = 1;
-	ipn->in_inip = nat->nat_inip.s_addr;
-	ipn->in_inmsk = 0xffffffff;
-	ipn->in_outip = nat->nat_outip.s_addr;
-	ipn->in_outmsk = 0xffffffff;
-	ipn->in_srcip = fin->fin_saddr;
-	ipn->in_srcmsk = 0xffffffff;
-	ipn->in_redir = NAT_MAP;
-	bcopy(nat->nat_ptr->in_ifname, ipn->in_ifname, sizeof(ipn->in_ifname));
-	ipn->in_p = IPPROTO_ESP;
-
-	bcopy((char *)fin, (char *)&fi, sizeof(fi));
-	fi.fin_fi.fi_p = IPPROTO_ESP;
-	fi.fin_fr = &ipsecfr;
-	fi.fin_data[0] = 0;
-	fi.fin_data[1] = 0;
-	p = ip->ip_p;
-	ip->ip_p = IPPROTO_ESP;
-	fi.fin_fl &= ~FI_TCPUDP;
-
-	ptr = ipsec_buffer;
-	bcopy(ptr, ipsec->ipsc_icookie, sizeof(ipsec_cookie_t));
-	ptr += sizeof(ipsec_cookie_t);
-	bcopy(ptr, ipsec->ipsc_rcookie, sizeof(ipsec_cookie_t));
-	/*
-	 * The responder cookie should only be non-zero if the initiator
-	 * cookie is non-zero.  Therefore, it is safe to assume(!) that the
-	 * cookies are both set after copying if the responder is non-zero.
-	 */
-	if ((ipsec->ipsc_rcookie[0]|ipsec->ipsc_rcookie[1]) != 0)
-		ipsec->ipsc_rckset = 1;
-	else
-		nat->nat_age = 60;	/* 30 seconds */
-
-	ipsec->ipsc_nat = nat_new(&fi, ip, ipn, &ipsec->ipsc_nat, FI_IGNOREPKT,
-				   NAT_OUTBOUND);
-	if (ipsec->ipsc_nat != NULL) {
-		fi.fin_data[0] = 0;
-		fi.fin_data[1] = 0;
-		ipsec->ipsc_state = fr_addstate(ip, &fi, &ipsec->ipsc_state,
-						FI_IGNOREPKT|FI_NORULE);
-	}
-	ip->ip_p = p;
-	return 0;
-}
-
-
-/*
- * For outgoing IKE packets.  refresh timeouts for NAT & stat entries, if
- * we can.  If they have disappeared, recreate them.
- */
-int ippr_ipsec_out(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	ipsec_pxy_t *ipsec;
-	fr_info_t fi;
-	int p;
-
-	bcopy((char *)fin, (char *)&fi, sizeof(fi));
-	fi.fin_fi.fi_p = IPPROTO_ESP;
-	fi.fin_fr = &ipsecfr;
-	fi.fin_data[0] = 0;
-	fi.fin_data[1] = 0;
-	p = ip->ip_p;
-	ip->ip_p = IPPROTO_ESP;
-	fi.fin_fl &= ~FI_TCPUDP;
-
-	ipsec = aps->aps_data;
-	if (ipsec != NULL) {
-		/*
-		 * Update NAT timeout/create NAT if missing.
-		 */
-		if (ipsec->ipsc_rckset == 0)
-			nat->nat_age = 60;	/* 30 seconds */
-		if (ipsec->ipsc_nat != NULL)
-			ipsec->ipsc_nat->nat_age = nat->nat_age;
-		else
-			ipsec->ipsc_nat = nat_new(&fi, ip, &ipsec->ipsc_rule,
-						  &ipsec->ipsc_nat,
-						  FI_IGNOREPKT, NAT_OUTBOUND);
-
-		/*
-		 * Update state timeout/create state if missing.
-		 */
-		READ_ENTER(&ipf_state);
-		if (ipsec->ipsc_state != NULL) {
-			ipsec->ipsc_state->is_age = nat->nat_age;
-			RWLOCK_EXIT(&ipf_state);
-		} else {
-			RWLOCK_EXIT(&ipf_state);
-			fi.fin_data[0] = 0;
-			fi.fin_data[1] = 0;
-			ipsec->ipsc_state = fr_addstate(ip, &fi,
-							&ipsec->ipsc_state,
-							FI_IGNOREPKT|FI_NORULE);
-		}
-	}
-	ip->ip_p = p;
-	return 0;
-}
-
-
-/*
- * This extends the NAT matching to be based on the cookies associated with
- * a session and found at the front of IKE packets.  The cookies are always
- * in the same order (not reversed depending on packet flow direction as with
- * UDP/TCP port numbers).
- */
-int ippr_ipsec_match(fin, aps, nat)
-fr_info_t *fin;
-ap_session_t *aps;
-nat_t *nat;
-{
-	ipsec_pxy_t *ipsec;
-	u_32_t cookies[4];
-	mb_t *m;
-	int off;
-
-	if ((fin->fin_dlen < sizeof(cookies)) || (fin->fin_fl & FI_FRAG))
-		return -1;
-
-	ipsec = aps->aps_data;
-	off = fin->fin_hlen + sizeof(udphdr_t);
-#ifdef	_KERNEL
-# if     SOLARIS
-	m = fin->fin_qfm;
-
-	copyout_mblk(m, off, sizeof(cookies), (char *)cookies);
-# else
-	m = *(mb_t **)fin->fin_mp;
-	m_copydata(m, off, sizeof(cookies), (char *)cookies);
-# endif
-#else
-	m = *(mb_t **)fin->fin_mp;
-	bcopy((char *)m + off, cookies, sizeof(cookies));
-#endif
-
-	if ((cookies[0] != ipsec->ipsc_icookie[0]) ||
-	    (cookies[1] != ipsec->ipsc_icookie[1]))
-		return -1;
-
-	if (ipsec->ipsc_rckset == 0) {
-		if ((cookies[2]|cookies[3]) == 0) {
-			nat->nat_age = 60;	/* 30 seconds */
-			return 0;
-		}
-		ipsec->ipsc_rckset = 1;
-		ipsec->ipsc_rcookie[0] = cookies[2];
-		ipsec->ipsc_rcookie[1] = cookies[3];
-		return 0;
-	}
-
-	if ((cookies[2] != ipsec->ipsc_rcookie[0]) ||
-	    (cookies[3] != ipsec->ipsc_rcookie[1]))
-		return -1;
-	return 0;
-}
-
-
-/*
- * clean up after ourselves.
- */
-void ippr_ipsec_del(aps)
-ap_session_t *aps;
-{
-	ipsec_pxy_t *ipsec;
-
-	ipsec = aps->aps_data;
-
-	if (ipsec != NULL) {
-		/*
-		 * Don't delete it from here, just schedule it to be
-		 * deleted ASAP.
-		 */
-		if (ipsec->ipsc_nat != NULL) {
-			ipsec->ipsc_nat->nat_age = 1;
-			ipsec->ipsc_nat->nat_ptr = NULL;
-		}
-
-		READ_ENTER(&ipf_state);
-		if (ipsec->ipsc_state != NULL)
-			ipsec->ipsc_state->is_age = 1;
-		RWLOCK_EXIT(&ipf_state);
-
-		ipsec->ipsc_state = NULL;
-		ipsec->ipsc_nat = NULL;
-	}
-}
diff --git a/sys/netinet/ip_netbios_pxy.c b/sys/netinet/ip_netbios_pxy.c
deleted file mode 100644
index ee9b0c4..0000000
--- a/sys/netinet/ip_netbios_pxy.c
+++ /dev/null
@@ -1,109 +0,0 @@
-/*
- * Simple netbios-dgm transparent proxy for in-kernel use.
- * For use with the NAT code.
- * $Id: ip_netbios_pxy.c,v 1.1.2.3 2002/01/09 09:28:37 darrenr Exp $
- */
-
-/*-
- * Copyright (c) 2002 Paul J. Ledbetter III
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * $Id: ip_netbios_pxy.c,v 1.1.2.3 2002/01/09 09:28:37 darrenr Exp $
- */
-
-#define	IPF_NETBIOS_PROXY
-
-int ippr_netbios_init __P((void));
-int ippr_netbios_out __P((fr_info_t *, ip_t *, ap_session_t *, nat_t *));
-
-static	frentry_t	netbiosfr;
-
-/*
- * Initialize local structures.
- */
-int ippr_netbios_init()
-{
-	bzero((char *)&netbiosfr, sizeof(netbiosfr));
-	netbiosfr.fr_ref = 1;
-	netbiosfr.fr_flags = FR_INQUE|FR_PASS|FR_QUICK|FR_KEEPSTATE;
-	return 0;
-}
-
-int ippr_netbios_out(fin, ip, aps, nat)
-fr_info_t *fin;
-ip_t *ip;
-ap_session_t *aps;
-nat_t *nat;
-{
-	char dgmbuf[6];
-
-	int off, dlen;
-	udphdr_t *udp;
-	mb_t *m;
-
-	m = *(mb_t **)fin->fin_mp;
-	off = fin->fin_hlen + sizeof(udphdr_t);
-#if SOLARIS
-	dlen = msgdsize(m);
-#else
-	dlen = mbufchainlen(m);
-#endif
-	dlen -= off;
-
-	/*
-	 * no net bios datagram could possibly be shorter than this
-	 */
-	if (dlen < 11) 
-		return 0;
-
-	udp = (udphdr_t *)fin->fin_dp;
-
-	/* 
-	 * move past the
-	 *	ip header;
-	 *	udp header;
-	 *	4 bytes into the net bios dgm header. 
-	 *  According to rfc1002, this should be the exact location of
-	 *  the source address/port
-	 */
-	off += 4;
-
-	/* Copy NATed source Address/port*/
-	dgmbuf[0] = (char)((ip->ip_src.s_addr     ) &0xFF);
-	dgmbuf[1] = (char)((ip->ip_src.s_addr >> 8) &0xFF);
-	dgmbuf[2] = (char)((ip->ip_src.s_addr >> 16)&0xFF);
-	dgmbuf[3] = (char)((ip->ip_src.s_addr >> 24)&0xFF);
-
-	dgmbuf[4] = (char)((udp->uh_sport     )&0xFF);
-	dgmbuf[5] = (char)((udp->uh_sport >> 8)&0xFF);
-
-	/* replace data in packet */
-#if SOLARIS
-	copyin_mblk(m, off, sizeof(dgmbuf), dgmbuf);
-#else
-	m_copyback(m, off, sizeof(dgmbuf), dgmbuf);
-#endif
-
-	return 0;
-}