41 lines
843 B
C
41 lines
843 B
C
/* $NetBSD: getproto.c,v 1.5 2008/05/20 07:08:07 darrenr 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: getproto.c,v 1.2.2.4 2007/10/27 16:03:38 darrenr Exp
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*/
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#include "ipf.h"
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int getproto(name)
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char *name;
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{
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struct protoent *p;
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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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break;
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if (*s == '\0')
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return atoi(name);
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#ifdef _AIX51
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/*
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* For some bogus reason, "ip" is 252 in /etc/protocols on AIX 5
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* The IANA has doubled up on the definition of 0 - it is now also
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* used for IPv6 hop-opts, so we can no longer rely on /etc/protocols
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* providing the correct name->number mapping
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*/
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#endif
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if (!strcasecmp(name, "ip"))
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return 0;
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p = getprotobyname(name);
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if (p != NULL)
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return p->p_proto;
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return -1;
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}
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