| Current Path : /usr/src/contrib/ipfilter/lib/ |
FreeBSD hs32.drive.ne.jp 9.1-RELEASE FreeBSD 9.1-RELEASE #1: Wed Jan 14 12:18:08 JST 2015 root@hs32.drive.ne.jp:/sys/amd64/compile/hs32 amd64 |
| Current File : //usr/src/contrib/ipfilter/lib/buildopts.c |
/* $FreeBSD: release/9.1.0/contrib/ipfilter/lib/buildopts.c 170268 2007-06-04 02:54:36Z darrenr $ */
/*
* Copyright (C) 2000-2002 by Darren Reed.
*
* See the IPFILTER.LICENCE file for details on licencing.
*
* $Id: buildopts.c,v 1.6.4.1 2006/06/16 17:20:56 darrenr Exp $
*/
#include "ipf.h"
u_32_t buildopts(cp, op, len)
char *cp, *op;
int len;
{
struct ipopt_names *io;
u_32_t msk = 0;
char *s, *t;
int inc;
for (s = strtok(cp, ","); s; s = strtok(NULL, ",")) {
if ((t = strchr(s, '=')))
*t++ = '\0';
for (io = ionames; io->on_name; io++) {
if (strcasecmp(s, io->on_name) || (msk & io->on_bit))
continue;
if ((inc = addipopt(op, io, len, t))) {
op += inc;
len += inc;
}
msk |= io->on_bit;
break;
}
if (!io->on_name) {
fprintf(stderr, "unknown IP option name %s\n", s);
return 0;
}
}
*op++ = IPOPT_EOL;
len++;
return len;
}