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mirror of https://github.com/juliengk/csf-post-docker.git synced 2023-10-10 13:37:41 +02:00

System binary variables

This commit is contained in:
ddrager 2016-04-12 10:30:34 -04:00
parent 5508dfe0c0
commit 921c85354f

View File

@ -2,6 +2,8 @@
DOCKER_DIR="/bin"
IPTABLES_DIR="/sbin"
SYS_DIR="/usr/bin"
chain_exists() {
[ $# -lt 1 -o $# -gt 2 ] && {
@ -16,7 +18,7 @@ chain_exists() {
DOCKER_INT="docker0"
DOCKER_NETWORK="172.17.0.0/16"
${IPTABLES_DIR}/iptables-save | grep -v -- '-j DOCKER' | ${IPTABLES_DIR}/iptables-restore
${IPTABLES_DIR}/iptables-save | ${SYS_DIR}/grep -v -- '-j DOCKER' | ${IPTABLES_DIR}/iptables-restore
chain_exists DOCKER && ${IPTABLES_DIR}/iptables -X DOCKER
chain_exists DOCKER nat && ${IPTABLES_DIR}/iptables -t nat -X DOCKER
@ -34,22 +36,22 @@ ${IPTABLES_DIR}/iptables -t nat -A POSTROUTING -s ${DOCKER_NETWORK} ! -o ${DOCKE
containers=`${DOCKER_DIR}/docker ps -q`
if [ `echo ${containers} | wc -c` -gt "1" ] ; then
if [ `echo ${containers} | ${SYS_DIR}/wc -c` -gt "1" ] ; then
for container in ${containers} ; do
rules=`${DOCKER_DIR}/docker port ${container} | sed 's/ //g'`
rules=`${DOCKER_DIR}/docker port ${container} | ${SYS_DIR}/sed 's/ //g'`
if [ `echo ${rules} | wc -c` -gt "1" ] ; then
if [ `echo ${rules} | ${SYS_DIR}/wc -c` -gt "1" ] ; then
ipaddr=`${DOCKER_DIR}/docker inspect -f "{{.NetworkSettings.IPAddress}}" ${container}`
for rule in ${rules} ; do
src=`echo ${rule} | awk -F'->' '{ print $2 }'`
dst=`echo ${rule} | awk -F'->' '{ print $1 }'`
src=`echo ${rule} | ${SYS_DIR}/awk -F'->' '{ print $2 }'`
dst=`echo ${rule} | ${SYS_DIR}/awk -F'->' '{ print $1 }'`
src_ip=`echo ${src} | awk -F':' '{ print $1 }'`
src_port=`echo ${src} | awk -F':' '{ print $2 }'`
src_ip=`echo ${src} | ${SYS_DIR}/awk -F':' '{ print $1 }'`
src_port=`echo ${src} | ${SYS_DIR}/awk -F':' '{ print $2 }'`
dst_port=`echo ${dst} | awk -F'/' '{ print $1 }'`
dst_proto=`echo ${dst} | awk -F'/' '{ print $2 }'`
dst_port=`echo ${dst} | ${SYS_DIR}/awk -F'/' '{ print $1 }'`
dst_proto=`echo ${dst} | ${SYS_DIR}/awk -F'/' '{ print $2 }'`
${IPTABLES_DIR}/iptables -A DOCKER -d ${ipaddr}/32 ! -i ${DOCKER_INT} -o ${DOCKER_INT} -p ${dst_proto} -m ${dst_proto} --dport ${dst_port} -j ACCEPT