NetBSD/dist/ipf/lib/optname.c

66 lines
1.2 KiB
C

/* $NetBSD: optname.c,v 1.1.1.1 2004/03/28 08:56:19 martti Exp $ */
/*
* Copyright (C) 1993-2001 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* Id: optname.c,v 1.3 2001/06/09 17:09:24 darrenr Exp
*/
#include "ipf.h"
u_32_t optname(cp, sp, linenum)
char ***cp;
u_short *sp;
int linenum;
{
struct ipopt_names *io, *so;
u_long msk = 0;
u_short smsk = 0;
char *s;
int sec = 0;
for (s = strtok(**cp, ","); s; s = strtok(NULL, ",")) {
for (io = ionames; io->on_name; io++)
if (!strcasecmp(s, io->on_name)) {
msk |= io->on_bit;
break;
}
if (!io->on_name) {
fprintf(stderr, "%d: unknown IP option name %s\n",
linenum, s);
return 0;
}
if (!strcasecmp(s, "sec-class"))
sec = 1;
}
if (sec && !*(*cp + 1)) {
fprintf(stderr, "%d: missing security level after sec-class\n",
linenum);
return 0;
}
if (sec) {
(*cp)++;
for (s = strtok(**cp, ","); s; s = strtok(NULL, ",")) {
for (so = secclass; so->on_name; so++)
if (!strcasecmp(s, so->on_name)) {
smsk |= so->on_bit;
break;
}
if (!so->on_name) {
fprintf(stderr,
"%d: no such security level: %s\n",
linenum, s);
return 0;
}
}
if (smsk)
*sp = smsk;
}
return msk;
}