From 53a5bddf22c2e59fe8d29711afddd52f30739980 Mon Sep 17 00:00:00 2001
From: "Christoph J. Scherr" <software@cscherr.de>
Date: Sat, 1 Mar 2025 22:34:55 +0100
Subject: [PATCH] wg generator

---
 wireguard-generator.sh | 44 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 wireguard-generator.sh

diff --git a/wireguard-generator.sh b/wireguard-generator.sh
new file mode 100644
index 0000000..6d95591
--- /dev/null
+++ b/wireguard-generator.sh
@@ -0,0 +1,44 @@
+#!/bin/bash
+
+base_config="wg0.conf"
+base_ip="192.168.57."
+start_ip=110
+server_config="wg0-server.conf"
+
+# First create server base config
+cat > "$server_config" << 'EOF'
+[Interface]
+Address = 192.168.57.2/24
+SaveConfig = false
+PostUp = ip route add 192.168.56.0/24 dev vboxnet0; iptables -A FORWARD -i wg0 -o vboxnet0 -j ACCEPT; iptables -A FORWARD -i vboxnet0 -o wg0 -j ACCEPT; iptables -t nat -A POSTROUTING -o vboxnet0 -j MASQUERADE
+PostDown = ip route del 192.168.56.0/24 dev vboxnet0; iptables -D FORWARD -i wg0 -o vboxnet0 -j ACCEPT; iptables -D FORWARD -i vboxnet0 -o wg0 -j ACCEPT; iptables -t nat -D POSTROUTING -o vboxnet0 -j MASQUERADE
+ListenPort = 51820
+PrivateKey = SJuOEDojaWclA3vyq1tI3fKv+Phs9QdvUFG7mZj23VU=
+
+EOF
+
+# Create 30 configs
+for i in {1..30}; do
+    ip=$((start_ip + i))
+    new_config="wg0_$ip.conf"
+    wg genkey | tee "${ip}privatekey" | wg pubkey | tee "${ip}publickey"
+	pub=$(cat ${ip}publickey)
+	priv=$(cat "${ip}privatekey")
+	echo $pub
+    
+    # Create new client config with all replacements
+    sed -E "s#(Address = ${base_ip})[0-9]+#\1${ip}#; 
+            s#(PrivateKey = ).*#\1${priv}#" "$base_config" > "$new_config"
+    
+    # Add peer to server config with the new public key
+    cat >> "$server_config" << EOF
+[Peer]
+PublicKey = $pub
+AllowedIPs = 192.168.57.${ip}/32
+
+EOF
+    
+    echo "Created $new_config with IP ${base_ip}${ip}"
+done
+
+echo "Created $server_config with all peer public keys"