1 /* $FreeBSD$ */
2
3 /*
4 * Copyright (C) 2012 by Darren Reed.
5 *
6 * See the IPFILTER.LICENCE file for details on licencing.
7 *
8 * $Id$
9 */
10
11 #include "ipf.h"
12
13
14 u_32_t
optname(char *** cp,u_short * sp,int linenum)15 optname(char ***cp, u_short *sp, int linenum)
16 {
17 struct ipopt_names *io, *so;
18 u_long msk = 0;
19 u_short smsk = 0;
20 char *s;
21 int sec = 0;
22
23 for (s = strtok(**cp, ","); s; s = strtok(NULL, ",")) {
24 for (io = ionames; io->on_name; io++)
25 if (!strcasecmp(s, io->on_name)) {
26 msk |= io->on_bit;
27 break;
28 }
29 if (!io->on_name) {
30 fprintf(stderr, "%d: unknown IP option name %s\n",
31 linenum, s);
32 return (0);
33 }
34 if (!strcasecmp(s, "sec-class"))
35 sec = 1;
36 }
37
38 if (sec && !*(*cp + 1)) {
39 fprintf(stderr, "%d: missing security level after sec-class\n",
40 linenum);
41 return (0);
42 }
43
44 if (sec) {
45 (*cp)++;
46 for (s = strtok(**cp, ","); s; s = strtok(NULL, ",")) {
47 for (so = secclass; so->on_name; so++)
48 if (!strcasecmp(s, so->on_name)) {
49 smsk |= so->on_bit;
50 break;
51 }
52 if (!so->on_name) {
53 fprintf(stderr,
54 "%d: no such security level: %s\n",
55 linenum, s);
56 return (0);
57 }
58 }
59 if (smsk)
60 *sp = smsk;
61 }
62 return (msk);
63 }
64