diff options
| author | Yasuyuki KOZAKAI <yasuyuki@netfilter.org> | 2006-07-04 10:23:26 +0000 |
|---|---|---|
| committer | Yasuyuki KOZAKAI <yasuyuki@netfilter.org> | 2006-07-04 10:23:26 +0000 |
| commit | b1cda88e9440764d8c2bdce72ec9dcffdf68de07 (patch) | |
| tree | 687a5b65458028e21582e40986b1f8822baedbc6 /extensions/libip6t_icmp6.c | |
| parent | b46d0b2d289175b4c37a53531220c3c853117704 (diff) | |
- force user to specify --icmpv6-type if icmpv6 match is required to load
- Don't allow multiple --icmp-type/icmpv6-type
(Closes: #461)
Diffstat (limited to 'extensions/libip6t_icmp6.c')
| -rw-r--r-- | extensions/libip6t_icmp6.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/extensions/libip6t_icmp6.c b/extensions/libip6t_icmp6.c index a29bb389..6940d0e5 100644 --- a/extensions/libip6t_icmp6.c +++ b/extensions/libip6t_icmp6.c @@ -164,11 +164,15 @@ parse(int c, char **argv, int invert, unsigned int *flags, switch (c) { case '1': + if (*flags == 1) + exit_error(PARAMETER_PROBLEM, + "icmpv6 match: only use --icmpv6-type once!"); check_inverse(optarg, &invert, &optind, 0); parse_icmpv6(argv[optind-1], &icmpv6info->type, icmpv6info->code); if (invert) icmpv6info->invflags |= IP6T_ICMP_INV; + *flags = 1; break; default: @@ -247,9 +251,11 @@ static void save(const struct ip6t_ip6 *ip, const struct ip6t_entry_match *match printf(" "); } -/* Final check; we don't care. */ static void final_check(unsigned int flags) { + if (!flags) + exit_error(PARAMETER_PROBLEM, + "icmpv6 match: You must specify `--icmpv6-type'"); } static struct ip6tables_match icmpv6 = { |