diff options
author | /C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=kaber/emailAddress=kaber@netfilter.org </C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=kaber/emailAddress=kaber@netfilter.org> | 2005-01-02 23:34:48 +0000 |
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committer | /C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=kaber/emailAddress=kaber@netfilter.org </C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=kaber/emailAddress=kaber@netfilter.org> | 2005-01-02 23:34:48 +0000 |
commit | e19568f2da27ef8936e1a125f4fdb1559283b04e (patch) | |
tree | 3205bf32ad7d2c935163d48786d810faf52fd830 /extensions/libipt_helper.c | |
parent | f5b36513e72c81eae176bb7f173cdf439247fcba (diff) |
Prevent user from using --helper multiple times (Nicolas Bouliane <nib@cookinglinux.org>)
Diffstat (limited to 'extensions/libipt_helper.c')
-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'; |