diff options
Diffstat (limited to 'iptables-restore.c')
| -rw-r--r-- | iptables-restore.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/iptables-restore.c b/iptables-restore.c index 86d63e28..4a74485c 100644 --- a/iptables-restore.c +++ b/iptables-restore.c @@ -259,6 +259,12 @@ main(int argc, char *argv[]) exit(1); } + if (strlen(chain) > XT_FUNCTION_MAXNAMELEN - 1) + xtables_error(PARAMETER_PROBLEM, + "Invalid chain name `%s' " + "(%u chars max)", + chain, XT_FUNCTION_MAXNAMELEN - 1); + if (iptc_builtin(chain, handle) <= 0) { if (noflush && iptc_is_chain(chain, handle)) { DEBUGP("Flushing existing user defined chain '%s'\n", chain); |