1*f3ac6781SToomas Soome /*
2*f3ac6781SToomas Soome * Copyright (C) 1993-2001 by Darren Reed.
3*f3ac6781SToomas Soome *
4*f3ac6781SToomas Soome * See the IPFILTER.LICENCE file for details on licencing.
5*f3ac6781SToomas Soome *
6*f3ac6781SToomas Soome * $Id: buildopts.c,v 1.6 2002/01/28 06:50:45 darrenr Exp $
7*f3ac6781SToomas Soome */
8*f3ac6781SToomas Soome
9*f3ac6781SToomas Soome #include "ipf.h"
10*f3ac6781SToomas Soome
11*f3ac6781SToomas Soome
buildopts(cp,op,len)12*f3ac6781SToomas Soome u_32_t buildopts(cp, op, len)
13*f3ac6781SToomas Soome char *cp, *op;
14*f3ac6781SToomas Soome int len;
15*f3ac6781SToomas Soome {
16*f3ac6781SToomas Soome struct ipopt_names *io;
17*f3ac6781SToomas Soome u_32_t msk = 0;
18*f3ac6781SToomas Soome char *s, *t;
19*f3ac6781SToomas Soome int inc;
20*f3ac6781SToomas Soome
21*f3ac6781SToomas Soome for (s = strtok(cp, ","); s; s = strtok(NULL, ",")) {
22*f3ac6781SToomas Soome if ((t = strchr(s, '=')))
23*f3ac6781SToomas Soome *t++ = '\0';
24*f3ac6781SToomas Soome for (io = ionames; io->on_name; io++) {
25*f3ac6781SToomas Soome if (strcasecmp(s, io->on_name) || (msk & io->on_bit))
26*f3ac6781SToomas Soome continue;
27*f3ac6781SToomas Soome if ((inc = addipopt(op, io, len, t))) {
28*f3ac6781SToomas Soome op += inc;
29*f3ac6781SToomas Soome len += inc;
30*f3ac6781SToomas Soome }
31*f3ac6781SToomas Soome msk |= io->on_bit;
32*f3ac6781SToomas Soome break;
33*f3ac6781SToomas Soome }
34*f3ac6781SToomas Soome if (!io->on_name) {
35*f3ac6781SToomas Soome fprintf(stderr, "unknown IP option name %s\n", s);
36*f3ac6781SToomas Soome return 0;
37*f3ac6781SToomas Soome }
38*f3ac6781SToomas Soome }
39*f3ac6781SToomas Soome *op++ = IPOPT_EOL;
40*f3ac6781SToomas Soome len++;
41*f3ac6781SToomas Soome return len;
42*f3ac6781SToomas Soome }
43