X-Git-Url: https://gerrit.akraino.org/r/gitweb?a=blobdiff_plain;f=src%2Ftype3_AndroidCloud%2Fanbox-master%2Fscripts%2Fanbox-bridge.sh;fp=src%2Ftype3_AndroidCloud%2Fanbox-master%2Fscripts%2Fanbox-bridge.sh;h=1546990ae114c3cbfaf0071a52856fc01e7946a7;hb=e26c1ec581be598521517829adba8c8dd23a768f;hp=0000000000000000000000000000000000000000;hpb=6699c1aea74eeb0eb400e6299079f0c7576f716f;p=iec.git diff --git a/src/type3_AndroidCloud/anbox-master/scripts/anbox-bridge.sh b/src/type3_AndroidCloud/anbox-master/scripts/anbox-bridge.sh new file mode 100644 index 0000000..1546990 --- /dev/null +++ b/src/type3_AndroidCloud/anbox-master/scripts/anbox-bridge.sh @@ -0,0 +1,182 @@ +#!/bin/sh +# Copyright (C) 2016 The Linux Containers Project +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# Taken from https://github.com/lxc/lxd-pkg-ubuntu/blob/dpm-xenial/lxd-bridge/lxd-bridge +# but modified for the use within anbox. + +varrun="/run/anbox" + +if [ -n "$SNAP_DATA" ]; then + varrun="$SNAP_DATA"/network +fi + +BRIDGE="anbox0" + +# IPv4 +IPV4_ADDR="192.168.250.1" +IPV4_NETMASK="255.255.255.0" +IPV4_NETWORK="192.168.250.1/24" +IPV4_BROADCAST="0.0.0.0" +IPV4_NAT="true" + +if [ -n "$SNAP" ]; then + snap_ipv4_address=$(snapctl get bridge.address) + snap_ipv4_netmask=$(snapctl get bridge.netmask) + snap_ipv4_network=$(snapctl get bridge.network) + snap_ipv4_broadcast=$(snapctl get bridge.broadcast) + snap_enable_nat=$(snapctl get bridge.nat.enable) + if [ -n "$snap_ipv4_address" ]; then + IPV4_ADDR="$snap_ipv4_address" + fi + if [ -n "$snap_ipv4_netmask" ]; then + IPV4_NETMASK="$snap_ipv4_netmask" + fi + if [ -n "$snap_ipv4_network" ]; then + IPV4_NETWORK="$snap_ipv4_network" + fi + if [ -n "$snap_ipv4_broadcast" ]; then + IPV4_BROADCAST="$snap_ipv4_broadcast" + fi + if [ "$snap_enable_nat" = false ]; then + IPV4_NAT="false" + fi +fi + +use_iptables_lock="-w" +iptables -w -L -n > /dev/null 2>&1 || use_iptables_lock="" + +_netmask2cidr () { + # Assumes there's no "255." after a non-255 byte in the mask + local x=${1##*255.} + set -- "0^^^128^192^224^240^248^252^254^" "$(( (${#1} - ${#x})*2 ))" "${x%%.*}" + x=${1%%${3}*} + echo $(( ${2} + (${#x}/4) )) +} + +ifdown() { + ip addr flush dev "${1}" + ip link set dev "${1}" down +} + +ifup() { + [ "${HAS_IPV6}" = "true" ] && [ "${IPV6_PROXY}" = "true" ] && ip addr add fe80::1/64 dev "${1}" + if [ -n "${IPV4_NETMASK}" ] && [ -n "${IPV4_ADDR}" ]; then + MASK=$(_netmask2cidr ${IPV4_NETMASK}) + CIDR_ADDR="${IPV4_ADDR}/${MASK}" + ip addr add "${CIDR_ADDR}" broadcast "${IPV4_BROADCAST}" dev "${1}" + fi + ip link set dev "${1}" up +} + +start() { + [ ! -f "${varrun}/network_up" ] || { echo "anbox-bridge is already running"; exit 1; } + + if [ -d /sys/class/net/${BRIDGE} ]; then + stop force 2>/dev/null || true + fi + + FAILED=1 + + cleanup() { + set +e + if [ "${FAILED}" = "1" ]; then + echo "Failed to setup anbox-bridge." >&2 + stop force + fi + } + + trap cleanup EXIT HUP INT TERM + set -e + + # set up the anbox network + [ ! -d "/sys/class/net/${BRIDGE}" ] && ip link add dev "${BRIDGE}" type bridge + + # if we are run from systemd on a system with selinux enabled, + # the mkdir will create /run/anbox as init_var_run_t which dnsmasq + # can't write its pid into, so we restorecon it (to var_run_t) + if [ ! -d "${varrun}" ]; then + mkdir -p "${varrun}" + if which restorecon >/dev/null 2>&1; then + restorecon "${varrun}" + fi + fi + + ifup "${BRIDGE}" "${IPV4_ADDR}" "${IPV4_NETMASK}" + + IPV4_ARG="" + if [ -n "${IPV4_ADDR}" ] && [ -n "${IPV4_NETMASK}" ] && [ -n "${IPV4_NETWORK}" ]; then + echo 1 > /proc/sys/net/ipv4/ip_forward + if [ "${IPV4_NAT}" = "true" ]; then + iptables "${use_iptables_lock}" -t nat -A POSTROUTING -s "${IPV4_NETWORK}" ! -d "${IPV4_NETWORK}" -j MASQUERADE -m comment --comment "managed by anbox-bridge" + fi + fi + + iptables "${use_iptables_lock}" -I INPUT -i "${BRIDGE}" -p udp --dport 67 -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables "${use_iptables_lock}" -I INPUT -i "${BRIDGE}" -p tcp --dport 67 -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables "${use_iptables_lock}" -I INPUT -i "${BRIDGE}" -p udp --dport 53 -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables "${use_iptables_lock}" -I INPUT -i "${BRIDGE}" -p tcp --dport 53 -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables "${use_iptables_lock}" -I FORWARD -i "${BRIDGE}" -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables "${use_iptables_lock}" -I FORWARD -o "${BRIDGE}" -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables "${use_iptables_lock}" -t mangle -A POSTROUTING -o "${BRIDGE}" -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill -m comment --comment "managed by anbox-bridge" + + touch "${varrun}/network_up" + FAILED=0 +} + +stop() { + [ -f "${varrun}/network_up" ] || [ "${1}" = "force" ] || { echo "anbox-bridge isn't running"; exit 1; } + + if [ -d /sys/class/net/${BRIDGE} ]; then + ifdown ${BRIDGE} + iptables ${use_iptables_lock} -D INPUT -i ${BRIDGE} -p udp --dport 67 -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables ${use_iptables_lock} -D INPUT -i ${BRIDGE} -p tcp --dport 67 -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables ${use_iptables_lock} -D INPUT -i ${BRIDGE} -p udp --dport 53 -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables ${use_iptables_lock} -D INPUT -i ${BRIDGE} -p tcp --dport 53 -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables ${use_iptables_lock} -D FORWARD -i ${BRIDGE} -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables ${use_iptables_lock} -D FORWARD -o ${BRIDGE} -j ACCEPT -m comment --comment "managed by anbox-bridge" + iptables ${use_iptables_lock} -t mangle -D POSTROUTING -o ${BRIDGE} -p udp -m udp --dport 68 -j CHECKSUM --checksum-fill -m comment --comment "managed by anbox-bridge" + + if [ -n "${IPV4_NETWORK}" ] && [ "${IPV4_NAT}" = "true" ]; then + iptables ${use_iptables_lock} -t nat -D POSTROUTING -s ${IPV4_NETWORK} ! -d ${IPV4_NETWORK} -j MASQUERADE -m comment --comment "managed by anbox-bridge" + fi + + # if ${BRIDGE} has attached interfaces, don't destroy the bridge + ls /sys/class/net/${BRIDGE}/brif/* > /dev/null 2>&1 || ip link delete "${BRIDGE}" + fi + + rm -f "${varrun}/network_up" +} + +# See how we were called. +case "${1}" in + start) + start + ;; + + stop) + stop + ;; + + restart|reload|force-reload) + ${0} stop + ${0} start + ;; + + *) + echo "Usage: ${0} {start|stop|restart|reload|force-reload}" + exit 2 +esac + +exit $?