From e19568f2da27ef8936e1a125f4fdb1559283b04e Mon Sep 17 00:00:00 2001 From: "/C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=kaber/emailAddress=kaber@netfilter.org" Date: Sun, 2 Jan 2005 23:34:48 +0000 Subject: Prevent user from using --helper multiple times (Nicolas Bouliane ) --- extensions/libipt_helper.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'extensions') 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'; -- cgit v1.2.3