diff options
Diffstat (limited to 'extensions')
-rw-r--r-- | extensions/libipt_helper.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/extensions/libipt_helper.c b/extensions/libipt_helper.c index 52047e4..10b39d7 100644 --- a/extensions/libipt_helper.c +++ b/extensions/libipt_helper.c @@ -44,6 +44,9 @@ parse(int c, char **argv, int invert, unsigned int *flags, switch (c) { case '1': + if (*flags) + exit_error(PARAMETER_PROBLEM, + "helper match: Only use --helper ONCE!"); check_inverse(optarg, &invert, &invert, 0); strncpy(info->name, optarg, 29); info->name[29] = '\0'; |