aboutsummaryrefslogtreecommitdiff
path: root/contrib/ipfilter/lib/getproto.c
blob: 33f6f47ac1b957cb6cfd1b42c0bfb3e49619deea (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
/*	$FreeBSD$	*/

/*
 * Copyright (C) 2002-2005 by Darren Reed.
 * 
 * See the IPFILTER.LICENCE file for details on licencing.  
 *   
 * $Id: getproto.c,v 1.2.2.3 2006/06/16 17:21:00 darrenr Exp $ 
 */     

#include "ipf.h"

int getproto(name)
char *name;
{
	struct protoent *p;
	char *s;

	for (s = name; *s != '\0'; s++)
		if (!ISDIGIT(*s))
			break;
	if (*s == '\0')
		return atoi(name);

#ifdef _AIX51
	/*
	 * For some bogus reason, "ip" is 252 in /etc/protocols on AIX 5
	 */
	if (!strcasecmp(name, "ip"))
		return 0;
#endif

	p = getprotobyname(name);
	if (p != NULL)
		return p->p_proto;
	return -1;
}