From 9d4b5d0b25fb02821ed56b0a86ca1ff16668984d Mon Sep 17 00:00:00 2001
From: shim_ <>
Date: Fri, 4 Jan 2019 15:26:14 +0100
Subject: [PATCH] gen conf using wg set

---
 init.sh | 30 +++++++++++++++---------------
 1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/init.sh b/init.sh
index b1f54d2..d35d798 100755
--- a/init.sh
+++ b/init.sh
@@ -4,29 +4,29 @@ umask 077
 set -e
 
 WG_IF=${WG_INTERFACE:-wg0}
-PHY_IF=${WG_HOST_INTERFACE:-eth0}
-ADDRESS=${WG_ADDRESS:-192.168.2.1/24}
+PHY_IF=${WG_HOST_INTERFACE:-$(ip route | awk '/default/ { print $5 }')}
+ADDRESS=${WG_ADDRESS:-192.168.2.1}
 
 function shutdown() {
  wg-quick down $WG_IF
+ iptables -D FORWARD -i $WG_IF -j ACCEPT; iptables -t nat -D POSTROUTING -o $PHY_IF -j MASQUERADE
+ wg showconf $WG_IF > /etc/wireguard/$WG_IF.conf
 }
 
+/usr/bin/wireguard-go $WG_IF
+
 if [ ! -f "/etc/wireguard/$WG_IF.conf" ]; then
  mkdir -p /etc/wireguard/keys
- wg genkey | tee /etc/wireguard/keys/$WG_IF | wg pubkey > /etc/wireguard/keys/$WG_IF.pub
- 
- echo "[Interface]" > /etc/wireguard/$WG_IF.conf
- echo "PrivateKey = $(cat /etc/wireguard/keys/$WG_IF)" >> /etc/wireguard/$WG_IF.conf
- echo "ListenPort = 51820" >> /etc/wireguard/$WG_IF.conf
- echo "PostUp = iptables -A FORWARD -i $WG_IF -j ACCEPT; iptables -t nat -A POSTROUTING -o $PHY_IF -j MASQUERADE" >> /etc/wireguard/$WG_IF.conf
- echo "PostDown = iptables -D FORWARD -i $WG_IF -j ACCEPT; iptables -t nat -D POSTROUTING -o $PHY_IF -j MASQUERADE" >> /etc/wireguard/$WG_IF.conf
- echo "SaveConfig = true" >> /etc/wireguard/$WG_IF.conf
- echo "[Peer]"
- echo "Endpoint = $ADDRESS" >> /etc/wireguard/$WG_IF.conf
- 
- echo "Generated Config for $WG_IF, Publickey: $(cat /etc/wireguard/keys/$WG_IF.pub)"
+ wg genkey | tee /etc/wireguard/keys/$WG_IF | wg pubkey > /etc/wireguard/keys/$WG_IF.pub 
+ wg set $WG_IF private-key /etc/wireguard/keys/$WG_IF
+ wg set $WG_IF listen-port 51820
+else
+ wg setconf $WG_IF /etc/wireguard/$WG_IF.conf
 fi
 
 trap shutdown EXIT
 
-/usr/bin/wireguard-go -f $WG_IF
+ifconfig $WG_IF up $ADDRESS
+iptables -A FORWARD -i $WG_IF -j ACCEPT; iptables -t nat -A POSTROUTING -o $PHY_IF -j MASQUERADE
+
+sleep 100000000