0
0
mirror of https://github.com/openwrt/packages.git synced 2025-03-16 08:20:35 +00:00
Files
packages/net/wg-installer/common/wg.sh

53 lines
1.2 KiB
Bash
Raw Normal View History

#!/bin/sh
next_port () {
local port_start=$1
local port_end=$2
ports=$(wg show all listen-port | awk '{print $2}')
for i in $(seq $port_start $port_end); do
if ! echo $ports | grep -q "$i"; then
echo $i
return
fi
done
}
cleanup_wginterfaces() {
check_wg_neighbors
}
delete_wg_interface() {
ip link del dev "$1"
[ -f "/tmp/run/wgserver/$1.key" ] && rm "/tmp/run/wgserver/$1.key"
[ -f "/tmp/run/wgserver/$1.pub" ] && rm "/tmp/run/wgserver/$1.pub"
}
check_wg_neighbors() {
local phy
wg_interfaces=$(ip link | grep wg | awk '{print $2}' | sed 's/://')
for phy in $wg_interfaces; do
linklocal=$(ip -6 addr list dev $phy | grep "scope link" | awk '{print $2}' | sed 's/\/64//') 2>/dev/null
ips=$(ping ff02::1%$phy -w5 -W5 -c10 | awk '/from/{print($4)}' | sed 's/.$//') 2>/dev/null
delete=1
for ip in $ips; do
if [ $ip != $linklocal ] && [ $(owipcalc $ip linklocal) -eq 1 ]; then
delete=0
break
fi
done
if [ $delete -eq 1 ]; then
delete_wg_interface "$phy"
fi
done
}
case $1 in
cleanup_wginterfaces)
"$@"
exit
;;
esac