From 95ba2359a009b979fb5962bea42943a2a39c935a Mon Sep 17 00:00:00 2001
From: uvok cheetah
Date: Sat, 6 Apr 2024 19:42:57 +0200
Subject: wg: Get rid of hostname/port - use system provided

also, extract Pubkey properly
---
 scripts/wireguard-new-peer.sh | 17 ++++++++++-------
 1 file changed, 10 insertions(+), 7 deletions(-)

diff --git a/scripts/wireguard-new-peer.sh b/scripts/wireguard-new-peer.sh
index d810d4f..28ca90e 100644
--- a/scripts/wireguard-new-peer.sh
+++ b/scripts/wireguard-new-peer.sh
@@ -3,8 +3,8 @@
 set -euo pipefail
 IFS=$'\n\t'
 
-if [[ $# -ne 3 ]]; then
-    echo "Usage: $0 <wg server config file> <server endpoint with port> <desired ip for client (without CIDR)>"
+if [[ $# -ne 2 ]]; then
+    echo "Usage: $0 <wg server config file> <desired ip for client (without CIDR)>"
     exit 1
 fi
 
@@ -14,27 +14,30 @@ cli_pubkey=$(wg pubkey <<< "$cli_privkey")
 
 # PrivateKey = ...
 # if you don't leave a space, this won't work
-srv_pubkey=$(awk -e '/PrivateKey/ { print $3; }' "$1"  | wg pubkey)
+#srv_pubkey=$(awk -e '/PrivateKey/ { print $2; }' "$1"  | wg pubkey)
+srv_pubkey=$(awk -e 'match($0, /^PrivateKey\s*=\s*(.*)$/, ar) { print ar[1]; }' "$1" | wg pubkey)
+srv_port=$(awk -e 'match($0, /^ListenPort\s*=\s*(.*)$/, ar) { print ar[1]; }' "$1")
 
 # create client config
 echo "*** Scan this with your mobile phone ***"
 qrencode -t ansiutf8 <<EOF
 [Interface]
 PrivateKey = $cli_privkey
-Address = $3/24
+Address = $2/24
 
 [Peer]
 PublicKey = $srv_pubkey
-Endpoint = $2
+Endpoint = $(hostname --fqdn):${srv_port}
 AllowedIPs = 0.0.0.0/0, ::/0
+PersistentKeepalive = 30
 EOF
 
-tee -a "$1" <<EOF
+cat >> "$1" <<EOF
 
 # Auto-Generated
 [Peer]
 PublicKey = $cli_pubkey
-AllowedIPs = $3/32
+AllowedIPs = $2/32
 
 EOF
 
-- 
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