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/* $FreeBSD$ */
/*
* Copyright (C) 1993-2001 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: hostnum.c,v 1.10.2.1 2004/12/09 19:41:20 darrenr Exp $
*/
#include <ctype.h>
#include "ipf.h"
/*
* returns an ip address as a long var as a result of either a DNS lookup or
* straight inet_addr() call
*/
int hostnum(ipa, host, linenum, ifname)
u_32_t *ipa;
char *host;
int linenum;
char *ifname;
{
struct in_addr ip;
if (!strcasecmp("any", host) ||
(ifname && *ifname && !strcasecmp(ifname, host)))
return 0;
#ifdef USE_INET6
if (use_inet6) {
if (inet_pton(AF_INET6, host, ipa) == 1)
return 0;
else
return -1;
}
#endif
if (ISDIGIT(*host) && inet_aton(host, &ip)) {
*ipa = ip.s_addr;
return 0;
}
if (!strcasecmp("<thishost>", host))
host = thishost;
return gethost(host, ipa);
}
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