From 9cdb52d655608e92f101cb56562e4756a47abd81 Mon Sep 17 00:00:00 2001 From: Phil Sutter Date: Sat, 1 Oct 2022 00:10:34 +0200 Subject: extensions: libebt_log: Avoid empty log-prefix in output Just like iptables LOG target, omit --log-prefix from output if the string is empty. --- extensions/libebt_log.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) (limited to 'extensions/libebt_log.c') diff --git a/extensions/libebt_log.c b/extensions/libebt_log.c index 8858cf0e..47708d79 100644 --- a/extensions/libebt_log.c +++ b/extensions/libebt_log.c @@ -161,9 +161,10 @@ static void brlog_print(const void *ip, const struct xt_entry_target *target, { struct ebt_log_info *loginfo = (struct ebt_log_info *)target->data; - printf("--log-level %s --log-prefix \"%s\"", - eight_priority[loginfo->loglevel].c_name, - loginfo->prefix); + printf("--log-level %s", eight_priority[loginfo->loglevel].c_name); + + if (loginfo->prefix[0]) + printf(" --log-prefix \"%s\"", loginfo->prefix); if (loginfo->bitmask & EBT_LOG_IP) printf(" --log-ip"); -- cgit v1.2.3