/* Function which parses command options; returns true if it
ate an option */
static int
parse(int c, char **argv, int invert, unsigned int *flags,
const struct ipt_entry *entry,
unsigned int *nfcache,
struct ipt_entry_match **match)
{
struct ipt_tcpmss_match_info *mssinfo =
(struct ipt_tcpmss_match_info *)(*match)->data;
switch (c) {
case '1':
if (*flags)
exit_error(PARAMETER_PROBLEM,
"Only one `--mss' allowed");
check_inverse(optarg, &invert, &optind, 0);
parse_tcp_mssvalues(argv[optind-1],
&mssinfo->mss_min, &mssinfo->mss_max);
if (invert)
mssinfo->invert = 1;
*flags = 1;
break;
default:
return 0;
}
return 1;
}
static int
tcpmss_parse(int c, char **argv, int invert, unsigned int *flags,
const void *entry, struct xt_entry_match **match)
{
struct xt_tcpmss_match_info *mssinfo =
(struct xt_tcpmss_match_info *)(*match)->data;
switch (c) {
case '1':
if (*flags)
xtables_error(PARAMETER_PROBLEM,
"Only one `--mss' allowed");
xtables_check_inverse(optarg, &invert, &optind, 0, argv);
parse_tcp_mssvalues(optarg,
&mssinfo->mss_min, &mssinfo->mss_max);
if (invert)
mssinfo->invert = 1;
*flags = 1;
break;
default:
return 0;
}
return 1;
}