41 lines
745 B
C
41 lines
745 B
C
/* $NetBSD: getportproto.c,v 1.6 2007/04/14 20:34:24 martin Exp $ */
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/*
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* Copyright (C) 2002-2005 by Darren Reed.
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*
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* See the IPFILTER.LICENCE file for details on licencing.
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*
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* Id: getportproto.c,v 1.2.4.4 2006/06/16 17:21:00 darrenr Exp
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*/
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#include <ctype.h>
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#include "ipf.h"
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int getportproto(name, proto)
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char *name;
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int proto;
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{
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struct servent *s;
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struct protoent *p;
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if (ISDIGIT(*name)) {
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int number;
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char *s;
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for (s = name; *s != '\0'; s++)
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if (!ISDIGIT(*s))
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return -1;
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number = atoi(name);
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if (number < 0 || number > 65535)
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return -1;
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return htons(number);
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}
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p = getprotobynumber(proto);
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s = getservbyname(name, p ? p->p_name : NULL);
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if (s != NULL)
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return s->s_port;
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return -1;
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}
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