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op-packages/glorytun/init
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#!/bin/sh /etc/rc.common
# vim: set noexpandtab tabstop=4 shiftwidth=4 softtabstop=4 :
# Copyright (C) 2015 ovh.com
# Copyright (C) 2017 Ycarus (Yannick Chabanois) <ycarus@zugaina.org>
START=90
STOP=10
USE_PROCD=1
PROG_NAME=glorytun
PROG=/usr/sbin/${PROG_NAME}
_log() {
logger -p daemon.info -t ${PROG_NAME} "$@"
}
_err() {
logger -p daemon.err -t ${PROG_NAME} "$@"
}
validate_section() {
uci_validate_section glorytun glorytun "${1}" \
'enable:bool:0' \
'mptcp:bool:0' \
'mode:string' \
'key:string' \
'host:host' \
'port:port' \
'dev:string' \
'timeout:uinteger:10000' \
'chacha20:bool:0' \
'multiqueue:bool:1' \
'proto:string' \
'localip:string' \
'remoteip:string'
}
start_instance() {
local enable key host port dev mptcp proto chacha20 mode multiqueue timeout localip remoteip
local key_dir="/var/run/${PROG_NAME}"
local key_file="${key_dir}/${1}.key"
validate_section "${1}" || {
_err "validation failed"
return 1
}
[ "${enable}" = "1" ] || return 1
[ "${proto}" = "tcp" ] || return 1
[ -n "${key}" ] || {
_err "Key empty"
return 1
}
[ "${key}" != "secretkey" ] || return 1
[ -n "${port}" ] || return 1
[ -n "${dev}" ] || return 1
[ -n "${host}" ] || return 1
mkdir -p "$key_dir"
chmod 0700 "$key_dir"
( umask 077; printf '%s\n' "$key" > "$key_file" )
[ -f "$key_file" ] || {
_err "can't create key file"
return 1
}
key=""
if [ "$(uci -q get network.omrvpn)" != "" ]; then
uci -q set network.omrvpn.device=${dev}
uci -q commit network
fi
_log "starting ${PROG_NAME} ${1} instance $*"
procd_open_instance
procd_set_param command ${PROG} \
keyfile "$key_file" \
${port:+port "$port"} \
${host:+host "$host"} \
${dev:+dev "$dev"}
[ "${mode}" = "listener" ] && procd_append_param command listener
[ "${mptcp}" = "1" ] && procd_append_param command mptcp
[ "${chacha20}" = "1" ] && procd_append_param command chacha20
[ "${multiqueue}" = "1" ] && procd_append_param command multiqueue
procd_append_param command \
retry count -1 const 5000000 \
timeout ${timeout} \
keepalive count 5 idle 20 interval 2 \
buffer-size 65536
procd_set_param respawn 0 30 0
procd_set_param nice 10
procd_set_param file "$key_file"
procd_set_param stdout 1
procd_set_param stderr 1
procd_close_instance
# Configure the tunnel addresses once glorytun has created the device.
# RPS/XPS steering for it is set by /etc/hotplug.d/net/20-rps-xps
# (openmptcprouter package), which handles every interface.
if [ -n "$localip" ] && [ -n "$remoteip" ]; then
(
count=0
while [ $count -lt 10 ]; do
if [ -d "/sys/class/net/$dev" ]; then
ifconfig "$dev" "$localip" pointopoint "$remoteip" up && \
_log "Configured $dev with IP $localip peer $remoteip"
break
fi
sleep 1
count=$((count + 1))
done
) &
fi
}
start_service() {
config_load glorytun
config_foreach start_instance glorytun
}
service_triggers() {
procd_add_reload_trigger glorytun network
}