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/* $NetBSD: getportproto.c,v 1.2 2012/07/22 14:27:36 darrenr Exp $ */
/*
* Copyright (C) 2012 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* Id: getportproto.c,v 1.1.1.2 2012/07/22 13:44:38 darrenr Exp $
*/
#include <ctype.h>
#include "ipf.h"
int getportproto(name, proto)
char *name;
int proto;
{
struct servent *s;
struct protoent *p;
if (ISDIGIT(*name)) {
int number;
char *s;
for (s = name; *s != '\0'; s++)
if (!ISDIGIT(*s))
return -1;
number = atoi(name);
if (number < 0 || number > 65535)
return -1;
return htons(number);
}
p = getprotobynumber(proto);
s = getservbyname(name, p ? p->p_name : NULL);
if (s != NULL)
return s->s_port;
return -1;
}
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