From 6e528248414e330c9e25e81596ab47b8b8a5b701 Mon Sep 17 00:00:00 2001
From: terminaldweller <thabogre@gmail.com>
Date: Fri, 14 May 2021 22:44:50 +0430
Subject: first commit

---
 gen_wg_config.sh | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100755 gen_wg_config.sh

(limited to 'gen_wg_config.sh')

diff --git a/gen_wg_config.sh b/gen_wg_config.sh
new file mode 100755
index 0000000..983c7b7
--- /dev/null
+++ b/gen_wg_config.sh
@@ -0,0 +1,45 @@
+#!/bin/sh
+# run with su -i;e.g. su -i && gen_wg_config.sh
+set -x
+set -e
+
+CONFIG_CONTENT="[Interface]\n
+Address = 10.10.0.<RAND_ADDRESS>/32\n
+Address = fd86:ea04:1111::<RAND_ADDRESS>/128\n
+PrivateKey = <CLIENT_PRIV_KEY>\n
+DNS = 1.1.1.1\n
+\n
+[Peer]\n
+PublicKey = SERVERPUBKEY\n
+Endpoint = <PUB_IP_ADDRESS>:51820\n
+AllowedIPs = 0.0.0.0/0, ::/0"
+
+CONFIG_FILE_DIR=~/config
+mkdir -p $CONFIG_FILE_DIR
+RAND_NAME=$(cat /dev/urandom | tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1)
+
+RAND_ADDRESS=$(shuf -i 1-255 -n 1)
+
+OWNER=$(echo $USER)
+
+TMPDIR=$(mktemp -d)
+cd $TMPDIR
+wg genkey | sudo tee privatekey"$RAND_NAME" | wg pubkey | sudo tee publickey"$RAND_NAME"
+
+SERVER_PUB_KEY=$(cat /etc/wireguard/publickey)
+CLIENT_PRIV_KEY=$(cat privatekey"$RAND_NAME")
+PUB_IP_ADDRESS=$(curl ipinfo.io/ip)
+
+OUTPUT=$(echo $CONFIG_CONTENT | sed "s%SERVERPUBKEY%$SERVER_PUB_KEY%")
+OUTPUT=$(echo $OUTPUT | sed "s%<CLIENT_PRIV_KEY>%$CLIENT_PRIV_KEY%")
+OUTPUT=$(echo $OUTPUT | sed "s/<PUB_IP_ADDRESS>/$PUB_IP_ADDRESS/")
+OUTPUT=$(echo $OUTPUT | sed "s/<RAND_ADDRESS>/$RAND_ADDRESS/g")
+
+cd $CONFIG_FILE_DIR
+echo $OUTPUT > wg"$RAND_NAME".conf
+chmod 600 wg"$RAND_NAME".conf
+chown $USER:$USER wg"$RAND_NAME".conf
+
+CLIENT_PUB_KEY=$(cat $TMPDIR/publickey"$RAND_NAME")
+wg set wg0 peer $CLIENT_PUB_KEY allowed-ips 10.10.0."$RAND_ADDRESS"/32,fd86:ea04:1111::"$RAND_ADDRESS"/128
+rm -rf $TEMPDIR
-- 
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