xref: /freebsd/sbin/ipf/libipf/optprint.c (revision d0b2dbfa0ecf2bbc9709efc5e20baf8e4b44bbbf)
1 
2 /*
3  * Copyright (C) 2012 by Darren Reed.
4  *
5  * See the IPFILTER.LICENCE file for details on licencing.
6  *
7  * $Id$
8  */
9 #include "ipf.h"
10 
11 
12 void
13 optprint(u_short *sec, u_long optmsk, u_long optbits)
14 {
15 	u_short secmsk = sec[0], secbits = sec[1];
16 	struct ipopt_names *io, *so;
17 	char *s;
18 
19 	s = " opt ";
20 	for (io = ionames; io->on_name; io++)
21 		if ((io->on_bit & optmsk) &&
22 		    ((io->on_bit & optmsk) == (io->on_bit & optbits))) {
23 			if ((io->on_value != IPOPT_SECURITY) ||
24 			    (!secmsk && !secbits)) {
25 				printf("%s%s", s, io->on_name);
26 				/*
27 				 * Because the ionames table has this entry
28 				 * twice.
29 				 */
30 				if (io->on_value == IPOPT_SECURITY)
31 					io++;
32 				s = ",";
33 			}
34 		}
35 
36 
37 	if (secmsk & secbits) {
38 		printf("%ssec-class", s);
39 		s = " ";
40 		for (so = secclass; so->on_name; so++)
41 			if ((secmsk & so->on_bit) &&
42 			    ((so->on_bit & secmsk) == (so->on_bit & secbits))) {
43 				printf("%s%s", s, so->on_name);
44 				s = ",";
45 			}
46 	}
47 
48 	if ((optmsk && (optmsk != optbits)) ||
49 	    (secmsk && (secmsk != secbits))) {
50 		s = " ";
51 		printf(" not opt");
52 		if (optmsk != optbits) {
53 			for (io = ionames; io->on_name; io++)
54 				if ((io->on_bit & optmsk) &&
55 				    ((io->on_bit & optmsk) !=
56 				     (io->on_bit & optbits))) {
57 					if ((io->on_value != IPOPT_SECURITY) ||
58 					    (!secmsk && !secbits)) {
59 						printf("%s%s", s, io->on_name);
60 						s = ",";
61 						if (io->on_value ==
62 						    IPOPT_SECURITY)
63 							io++;
64 					} else
65 						io++;
66 				}
67 		}
68 
69 		if (secmsk != secbits) {
70 			printf("%ssec-class", s);
71 			s = " ";
72 			for (so = secclass; so->on_name; so++)
73 				if ((so->on_bit & secmsk) &&
74 				    ((so->on_bit & secmsk) !=
75 				     (so->on_bit & secbits))) {
76 					printf("%s%s", s, so->on_name);
77 					s = ",";
78 				}
79 		}
80 	}
81 }
82