From ed75f787b80ab1461c0348d595d6ee9c32dbff0b Mon Sep 17 00:00:00 2001
From: Luca Albuquerque <lucalacerda1@gmail.com>
Date: Tue, 4 Jun 2019 20:28:47 -0300
Subject: [PATCH] Add symmetric key option

---
 wireguard-install.sh | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/wireguard-install.sh b/wireguard-install.sh
index cec2b4b..f0487fe 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -132,6 +132,16 @@ PublicKey = $SERVER_PUB_KEY
 Endpoint = $ENDPOINT
 AllowedIPs = 0.0.0.0/0,::/0" >> "$HOME/$SERVER_WG_NIC-client.conf"
 
+# Ask for pre-shared symmetric key
+read -r -p "Want to use pre-shared symmetric key? [y/N] " response
+case "$response" in
+    [yY][eE][sS]|[yY]) 
+        CLIENT_SYMM_PRE_KEY=$( wg genpsk )
+        echo "PresharedKey = $CLIENT_PRE_KEY" >> "/etc/wireguard/$SERVER_WG_NIC.conf"
+        echo "PresharedKey =$CLIENT_PRE_KEY" >> "$HOME/$SERVER_WG_NIC-client.conf"
+        ;;
+esac
+
 chmod 600 -R /etc/wireguard/
 
 # Enable routing on the server