diff options
| author | Harald Welte <laforge@gnumonks.org> | 2003-11-26 12:50:38 +0000 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2003-11-26 12:50:38 +0000 |
| commit | db986e8a33ddd84be9045494d8d94ffd775be0fb (patch) | |
| tree | beb0e3d512a37ba3a45044fe52f4371315e27128 /extensions/libipt_CLUSTERIP.c | |
| parent | f997120aaa36b28b6949813ed2cb2fa87fd65bd0 (diff) | |
add mac check
Diffstat (limited to 'extensions/libipt_CLUSTERIP.c')
| -rw-r--r-- | extensions/libipt_CLUSTERIP.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/extensions/libipt_CLUSTERIP.c b/extensions/libipt_CLUSTERIP.c index 6741fd70..55e86c5c 100644 --- a/extensions/libipt_CLUSTERIP.c +++ b/extensions/libipt_CLUSTERIP.c @@ -118,6 +118,8 @@ parse(int c, char **argv, int invert, unsigned int *flags, if (*flags & PARAM_MAC) exit_error(PARAMETER_PROBLEM, "Can only specify MAC once\n"); parse_mac(optarg, cipinfo->clustermac); + if (!(cipinfo->clustermac[0] & 0x01)) + exit_error(PARAMETER_PROBLEM, "MAC has to be a multicast ethernet address\n"); *flags |= PARAM_MAC; break; case '4': |