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Merge pull request #1278 from DerDanilo/add_mtu_support

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add Wireguard MTU support via setupVARS.conf
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4s3ti 2021-03-29 11:46:21 +02:00 committed by GitHub
commit dcd852e02e
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3 changed files with 16 additions and 3 deletions
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8
auto_install/install.sh
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@ -1094,6 +1094,12 @@ installPiVPN(){
pivpnDEV="wg0" pivpnDEV="wg0"
pivpnNET="10.6.0.0" pivpnNET="10.6.0.0"
vpnGw="${pivpnNET/.0.0/.0.1}" vpnGw="${pivpnNET/.0.0/.0.1}"
# The default MTU should be fine for most users but we allow to set a
# custom MTU via unattend setupVARs file. Use default if not provided.
if [ -z "$pivpnMTU" ]; then
# Using default Wireguard MTU
pivpnMTU="1420"
fi
# Forward all traffic through PiVPN (i.e. full-tunnel), may be modified by # Forward all traffic through PiVPN (i.e. full-tunnel), may be modified by
# the user after the installation. # the user after the installation.
ALLOWED_IPS="0.0.0.0/0, ::0/0" ALLOWED_IPS="0.0.0.0/0, ::0/0"
@ -1107,6 +1113,7 @@ installPiVPN(){
confNetwork confNetwork
echo "pivpnPROTO=${pivpnPROTO}" >> ${tempsetupVarsFile} echo "pivpnPROTO=${pivpnPROTO}" >> ${tempsetupVarsFile}
echo "pivpnMTU=${pivpnMTU}" >> ${tempsetupVarsFile}
fi fi
@ -2076,6 +2083,7 @@ confWireGuard(){
echo "[Interface] echo "[Interface]
PrivateKey = $($SUDO cat /etc/wireguard/keys/server_priv) PrivateKey = $($SUDO cat /etc/wireguard/keys/server_priv)
Address = ${vpnGw}/${subnetClass} Address = ${vpnGw}/${subnetClass}
MTU = ${pivpnMTU}
ListenPort = ${pivpnPORT}" | $SUDO tee /etc/wireguard/wg0.conf &> /dev/null ListenPort = ${pivpnPORT}" | $SUDO tee /etc/wireguard/wg0.conf &> /dev/null
echo "::: Server config generated." echo "::: Server config generated."
} }

1
examples/unattended_wireguard_example.conf
View file

@ -4,6 +4,7 @@ IPv4gw=192.168.23.1
dhcpReserv=0 dhcpReserv=0
install_user=pi install_user=pi
VPN=wireguard VPN=wireguard
pivpnMTU=1420
pivpnPORT=51820 pivpnPORT=51820
pivpnDNS1=9.9.9.9 pivpnDNS1=9.9.9.9
pivpnDNS2=149.112.112.112 pivpnDNS2=149.112.112.112

10
scripts/wireguard/makeCONF.sh
View file

@ -94,11 +94,15 @@ done
NET_REDUCED="${pivpnNET::-2}" NET_REDUCED="${pivpnNET::-2}"
echo -n "[Interface] echo "[Interface]
PrivateKey = $(cat "keys/${CLIENT_NAME}_priv") PrivateKey = $(cat "keys/${CLIENT_NAME}_priv")
Address = ${NET_REDUCED}.${COUNT}/${subnetClass} Address = ${NET_REDUCED}.${COUNT}/${subnetClass}" > "configs/${CLIENT_NAME}.conf"
DNS = ${pivpnDNS1}" > "configs/${CLIENT_NAME}.conf"
if [ -n "${pivpnMTU}" ]; then
echo "MTU = ${pivpnMTU}" >> "configs/${CLIENT_NAME}.conf"
fi
echo -n "DNS = ${pivpnDNS1}" >> "configs/${CLIENT_NAME}.conf"
if [ -n "${pivpnDNS2}" ]; then if [ -n "${pivpnDNS2}" ]; then
echo ", ${pivpnDNS2}" >> "configs/${CLIENT_NAME}.conf" echo ", ${pivpnDNS2}" >> "configs/${CLIENT_NAME}.conf"
else else