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| 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/libipt_icmp.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/libipt_icmp.c')
| -rw-r--r-- | extensions/libipt_icmp.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/extensions/libipt_icmp.c b/extensions/libipt_icmp.c index 9d45c8c6..8f22d052 100644 --- a/extensions/libipt_icmp.c +++ b/extensions/libipt_icmp.c @@ -189,11 +189,15 @@ parse(int c, char **argv, int invert, unsigned int *flags, switch (c) { case '1': + if (*flags == 1) + exit_error(PARAMETER_PROBLEM, + "icmp match: only use --icmp-type once!"); check_inverse(optarg, &invert, &optind, 0); parse_icmp(argv[optind-1], &icmpinfo->type, icmpinfo->code); if (invert) icmpinfo->invflags |= IPT_ICMP_INV; + *flags = 1; break; default: |