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Update iptables.sh

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MarkusMcNugen 2018-04-26 22:21:44 -04:00 committed by GitHub
parent a7b2734d23
commit d68e29b2b3
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1 changed files with 8 additions and 75 deletions
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qbittorrent/iptables.sh
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@ -27,36 +27,6 @@ export LAN_NETWORK=$(echo "${LAN_NETWORK}" | sed -e 's~^[ \t]*~~;s~[ \t]*$~~')
echo "[info] Adding ${LAN_NETWORK} as route via docker eth0" | ts '%Y-%m-%d %H:%M:%.S'
ip route add "${LAN_NETWORK}" via "${DEFAULT_GATEWAY}" dev eth0
# split comma seperated string into list from LAN_NETWORKS env variable
IFS=',' read -ra lan_network_list <<< "${LAN_NETWORKS}"
lancount=0
lan_network_devices=()
# process lan networks in the list
for lan_network_item in "${lan_network_list[@]}"; do
lan_network_item=$(echo "${lan_network_item}" | sed -e 's~^[ \t]*~~;s~[ \t]*$~~')
# Get network interface name for corresponding networks
for interface in $(ifconfig | cut -d ' ' -f1| tr ':' '\n' | awk NF)
do
int_ip=$(ifconfig "${interface}" | grep -o "inet [0-9]*\.[0-9]*\.[0-9]*\.[0-9]*" | grep -o "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*")
int_mask=$(ifconfig "${interface}" | grep -o "netmask [0-9]*\.[0-9]*\.[0-9]*\.[0-9]*" | grep -o "[0-9]*\.[0-9]*\.[0-9]*\.[0-9]*")
int_cidr=$(ipcalc "${int_ip}" "${int_mask}" | grep -P -o -m 1 "(?<=Network:)\s+[^\s]+" | sed -e 's~^[ \t]*~~;s~[ \t]*$~~')
if [[ $int_cidr == $lan_network_item ]]; then
lan_network_devices+=(${interface})
echo "$int_cidr detected on $interface interface"
# get default gateway of interfaces as looping through them
DEFAULT_GATEWAYS=$(/sbin/ip route |grep '^default' | awk "/${interface}/ {print $3}")
echo "${DEFAULT_GATEWAYS} gateway detected for ${interface} interface"
ip route add "${lan_network_item}" via "${DEFAULT_GATEWAYS}" dev "${interface}"
fi
done
lancount=$((lancount+1))
done
echo "[info] ip route defined as follows..." | ts '%Y-%m-%d %H:%M:%.S'
echo "--------------------"
ip route
@ -119,35 +89,21 @@ ip6tables -P INPUT DROP 1>&- 2>&-
iptables -A INPUT -i "${VPN_DEVICE_TYPE}" -j ACCEPT
# accept input to/from LANs (172.x range is internal dhcp)
for lan_network_item in "${lan_network_list[@]}"; do
iptables -A INPUT -s "${lan_network_item}" -d "${lan_network_item}" -j ACCEPT
done
iptables -A INPUT -s "${docker_network_cidr}" -d "${docker_network_cidr}" -j ACCEPT
# accept input to vpn gateway
iptables -A INPUT -i eth0 -p $VPN_PROTOCOL --sport $VPN_PORT -j ACCEPT
# accept input to qbittorrent webui port
for lan_network_device in "${lan_network_devices[@]}"; do
if [ -z "${WEBUI_PORT}" ]; then
iptables -A INPUT -i ${lan_network_device} -p tcp --dport 8080 -j ACCEPT
iptables -A INPUT -i ${lan_network_device} -p tcp --sport 8080 -j ACCEPT
else
iptables -A INPUT -i ${lan_network_device} -p tcp --dport ${WEBUI_PORT} -j ACCEPT
iptables -A INPUT -i ${lan_network_device} -p tcp --sport ${WEBUI_PORT} -j ACCEPT
fi
done
if [ -z "${WEBUI_PORT}" ]; then
iptables -A INPUT -i ${LAN_NETWORK} -p tcp --dport 8080 -j ACCEPT
iptables -A INPUT -i ${LAN_NETWORK} -p tcp --sport 8080 -j ACCEPT
else
iptables -A INPUT -i ${LAN_NETWORK} -p tcp --dport ${WEBUI_PORT} -j ACCEPT
iptables -A INPUT -i ${LAN_NETWORK} -p tcp --sport ${WEBUI_PORT} -j ACCEPT
fi
# accept input to qbittorrent daemon port - used for lan access
lancount=0
for lan_network_device in "${lan_network_devices[@]}"; do
if [ -z "${INCOMING_PORT}" ]; then
iptables -A INPUT -i ${lan_network_device} -s "${lan_network_list[$lancount]}" -p tcp --dport 8999 -j ACCEPT
else
iptables -A INPUT -i ${lan_network_device} -s "${lan_network_list[$lancount]}" -p tcp --dport ${INCOMING_PORT} -j ACCEPT
fi
lancount=$((lancount+1))
done
if [ -z "${INCOMING_PORT}" ]; then
iptables -A INPUT -i eth0 -s "${LAN_NETWORK}" -p tcp --dport 8999 -j ACCEPT
else
@ -175,11 +131,8 @@ ip6tables -P OUTPUT DROP 1>&- 2>&-
iptables -A OUTPUT -o "${VPN_DEVICE_TYPE}" -j ACCEPT
# accept output to/from LANs
for lan_network_item in "${lan_network_list[@]}"; do
iptables -A OUTPUT -s "${lan_network_item}" -d "${lan_network_item}" -j ACCEPT
done
iptables -A OUTPUT -s "${docker_network_cidr}" -d "${docker_network_cidr}" -j ACCEPT
# accept output from vpn gateway
iptables -A OUTPUT -o eth0 -p $VPN_PROTOCOL --dport $VPN_PORT -j ACCEPT
@ -198,16 +151,6 @@ if [[ $iptable_mangle_exit_code == 0 ]]; then
fi
# accept output from qBittorrent webui port - used for lan access
for lan_network_device in "${lan_network_devices[@]}"; do
if [ -z "${WEBUI_PORT}" ]; then
iptables -A OUTPUT -o ${lan_network_device} -p tcp --dport 8080 -j ACCEPT
iptables -A OUTPUT -o ${lan_network_device} -p tcp --sport 8080 -j ACCEPT
else
iptables -A OUTPUT -o ${lan_network_device} -p tcp --dport ${WEBUI_PORT} -j ACCEPT
iptables -A OUTPUT -o ${lan_network_device} -p tcp --sport ${WEBUI_PORT} -j ACCEPT
fi
done
if [ -z "${WEBUI_PORT}" ]; then
iptables -A OUTPUT -o eth0 -p tcp --dport 8080 -j ACCEPT
iptables -A OUTPUT -o eth0 -p tcp --sport 8080 -j ACCEPT
@ -217,16 +160,6 @@ else
fi
# accept output to qBittorrent daemon port - used for lan access
lancount=0
for lan_network_device in "${lan_network_devices[@]}"; do
if [ -z "${INCOMING_PORT}" ]; then
iptables -A OUTPUT -o ${lan_network_device} -d "${lan_network_list[$lancount]}" -p tcp --sport 8999 -j ACCEPT
else
iptables -A OUTPUT -o ${lan_network_device} -d "${lan_network_list[$lancount]}" -p tcp --sport ${INCOMING_PORT} -j ACCEPT
fi
lancount=$((lancount+1))
done
if [ -z "${INCOMING_PORT}" ]; then
iptables -A OUTPUT -o eth0 -d "${LAN_NETWORK}" -p tcp --sport 8999 -j ACCEPT
else