/* $OpenBSD: xf_grp.c,v 1.4 1997/07/02 06:59:38 provos Exp $ */
/*
 * The author of this code is John Ioannidis, ji@tla.org,
 * 	(except when noted otherwise).
 *
 * This code was written for BSD/OS in Athens, Greece, in November 1995.
 *
 * Ported to OpenBSD and NetBSD, with additional transforms, in December 1996,
 * by Angelos D. Keromytis, kermit@forthnet.gr.
 *
 * Copyright (C) 1995, 1996, 1997 by John Ioannidis and Angelos D. Keromytis.
 *	
 * Permission to use, copy, and modify this software without fee
 * is hereby granted, provided that this entire notice is included in
 * all copies of any software which is or includes a copy or
 * modification of this software.
 *
 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR
 * IMPLIED WARRANTY. IN PARTICULAR, NEITHER AUTHOR MAKES ANY
 * REPRESENTATION OR WARRANTY OF ANY KIND CONCERNING THE
 * MERCHANTABILITY OF THIS SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR
 * PURPOSE.
 */

#include <sys/param.h>
#include <sys/file.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/mbuf.h>
#include <sys/sysctl.h>

#include <net/if.h>
#include <net/route.h>
#include <net/if_dl.h>
#include <netinet/in.h>
#include <netns/ns.h>
#include <netiso/iso.h>
#include <netccitt/x25.h>
#include <arpa/inet.h>
#include <netdb.h>

#include <errno.h>
#include <unistd.h>
#include <stdio.h>
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include <paths.h>
#include "net/encap.h"
#include "netinet/ip_ipsp.h"
 
extern buf[];

int xf_set __P(( struct encap_msghdr *));
int x2i __P((char *));

int
xf_grp(argc, argv)
int argc;
char **argv;
{
	int i;

	struct encap_msghdr *em;

	if ((argc < 3) || (argc > 9) || ((argc % 2) != 1)) {
	     fprintf(stderr, "usage: %s dst1 spi1 [ dst2 spi2 [ dst3 spi3 [ dst4 spi4 ] ] ] \n", argv[0]);
	     return 0;
	}

	for (i=0; i<argc/2-1; i++) {
	     bzero(buf, EMT_GRPSPIS_FLEN);

	     em = (struct encap_msghdr *)&buf[0];

	     em->em_msglen = EMT_GRPSPIS_FLEN;
	     em->em_version = PFENCAP_VERSION_1;
	     em->em_type = EMT_GRPSPIS;

	     em->em_rel_spi = htonl(strtoul(argv[2*i+2], NULL, 16));
	     em->em_rel_dst.s_addr = inet_addr(argv[2*i+1]);
	     em->em_rel_spi2 = htonl(strtoul(argv[2*i+4], NULL, 16));
	     em->em_rel_dst2.s_addr = inet_addr(argv[2*i+3]);
	
	     if (!xf_set(em))
		  break;
	}
}