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| author | Jo-Philipp Wich <jow@openwrt.org> | 2010-09-05 20:17:23 +0000 |
|---|---|---|
| committer | Jo-Philipp Wich <jow@openwrt.org> | 2010-09-05 20:17:23 +0000 |
| commit | 5ab58aa39c43eca75866fc478445821bb45b4125 (patch) | |
| tree | a13e53386bdb9e6c64ce6388429517b2409c12bd | |
| parent | eb79296cc10f6168892278b4aa921566178b1f20 (diff) | |
| download | mtk-20170518-5ab58aa39c43eca75866fc478445821bb45b4125.zip mtk-20170518-5ab58aa39c43eca75866fc478445821bb45b4125.tar.gz mtk-20170518-5ab58aa39c43eca75866fc478445821bb45b4125.tar.bz2 | |
firewall: - fix possible endless loop when the family option is used for forwardings - only generate forwarding rules in SNAT redirect sections if src_dip is specified
SVN-Revision: 22938
| -rw-r--r-- | package/firewall/files/lib/core_redirect.sh | 8 | ||||
| -rw-r--r-- | package/firewall/files/lib/fw.sh | 2 |
2 files changed, 6 insertions, 4 deletions
diff --git a/package/firewall/files/lib/core_redirect.sh b/package/firewall/files/lib/core_redirect.sh index 913f963..2f0e38f 100644 --- a/package/firewall/files/lib/core_redirect.sh +++ b/package/firewall/files/lib/core_redirect.sh @@ -31,13 +31,15 @@ fw_load_redirect() { fw_die "redirect ${redirect_name}: needs src and dest_ip or dest_port" } - local chain destopt + local chain destopt destaddr if [ "$redirect_target" == "DNAT" ]; then chain="zone_${redirect_src}_prerouting" destopt="--to-destination" + destaddr="$redirect_dest_ip" elif [ "$redirect_target" == "SNAT" ]; then chain="zone_${redirect_src}_nat" destopt="--to-source" + destaddr="$redirect_src_dip" else fw_die "redirect ${redirect_name}: target must be either DNAT or SNAT" fi @@ -65,9 +67,9 @@ fw_load_redirect() { $destopt ${redirect_dest_ip}${redirect_dest_port:+:$nat_dest_port} \ } - [ -n "$redirect_dest_ip" ] && \ + [ -n "$destaddr" ] && \ fw add $mode f zone_${redirect_src}_forward ACCEPT ^ { $redirect_src_ip $redirect_dest_ip } { \ - -d $redirect_dest_ip \ + -d $destaddr \ ${redirect_proto:+-p $redirect_proto} \ ${redirect_src_ip:+-s $redirect_src_ip/$redirect_src_ip_prefixlen} \ ${redirect_src_port:+--sport $redirect_src_port} \ diff --git a/package/firewall/files/lib/fw.sh b/package/firewall/files/lib/fw.sh index 819aa48..aaf3d14 100644 --- a/package/firewall/files/lib/fw.sh +++ b/package/firewall/files/lib/fw.sh @@ -149,7 +149,7 @@ fw__exec() { # <action> <family> <table> <chain> <target> <position> { <rules> } fi case "$fam" in - G*) shift; while [ "$1" != "{" ]; do shift; done ;; + G*) shift; while [ $# -gt 0 ] && [ "$1" != "{" ]; do shift; done ;; esac if [ $# -gt 0 ]; then |