1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * Copyright (C) 1993-2001 by Darren Reed.
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * See the IPFILTER.LICENCE file for details on licencing.
5*7c478bd9Sstevel@tonic-gate *
6*7c478bd9Sstevel@tonic-gate * $Id: buildopts.c,v 1.6 2002/01/28 06:50:45 darrenr Exp $
7*7c478bd9Sstevel@tonic-gate */
8*7c478bd9Sstevel@tonic-gate
9*7c478bd9Sstevel@tonic-gate #include "ipf.h"
10*7c478bd9Sstevel@tonic-gate
11*7c478bd9Sstevel@tonic-gate
buildopts(cp,op,len)12*7c478bd9Sstevel@tonic-gate u_32_t buildopts(cp, op, len)
13*7c478bd9Sstevel@tonic-gate char *cp, *op;
14*7c478bd9Sstevel@tonic-gate int len;
15*7c478bd9Sstevel@tonic-gate {
16*7c478bd9Sstevel@tonic-gate struct ipopt_names *io;
17*7c478bd9Sstevel@tonic-gate u_32_t msk = 0;
18*7c478bd9Sstevel@tonic-gate char *s, *t;
19*7c478bd9Sstevel@tonic-gate int inc;
20*7c478bd9Sstevel@tonic-gate
21*7c478bd9Sstevel@tonic-gate for (s = strtok(cp, ","); s; s = strtok(NULL, ",")) {
22*7c478bd9Sstevel@tonic-gate if ((t = strchr(s, '=')))
23*7c478bd9Sstevel@tonic-gate *t++ = '\0';
24*7c478bd9Sstevel@tonic-gate for (io = ionames; io->on_name; io++) {
25*7c478bd9Sstevel@tonic-gate if (strcasecmp(s, io->on_name) || (msk & io->on_bit))
26*7c478bd9Sstevel@tonic-gate continue;
27*7c478bd9Sstevel@tonic-gate if ((inc = addipopt(op, io, len, t))) {
28*7c478bd9Sstevel@tonic-gate op += inc;
29*7c478bd9Sstevel@tonic-gate len += inc;
30*7c478bd9Sstevel@tonic-gate }
31*7c478bd9Sstevel@tonic-gate msk |= io->on_bit;
32*7c478bd9Sstevel@tonic-gate break;
33*7c478bd9Sstevel@tonic-gate }
34*7c478bd9Sstevel@tonic-gate if (!io->on_name) {
35*7c478bd9Sstevel@tonic-gate fprintf(stderr, "unknown IP option name %s\n", s);
36*7c478bd9Sstevel@tonic-gate return 0;
37*7c478bd9Sstevel@tonic-gate }
38*7c478bd9Sstevel@tonic-gate }
39*7c478bd9Sstevel@tonic-gate *op++ = IPOPT_EOL;
40*7c478bd9Sstevel@tonic-gate len++;
41*7c478bd9Sstevel@tonic-gate return len;
42*7c478bd9Sstevel@tonic-gate }
43