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-rw-r--r--scripts/wireguard-new-peer.sh40
1 files changed, 40 insertions, 0 deletions
diff --git a/scripts/wireguard-new-peer.sh b/scripts/wireguard-new-peer.sh
new file mode 100644
index 0000000..d810d4f
--- /dev/null
+++ b/scripts/wireguard-new-peer.sh
@@ -0,0 +1,40 @@
+#!/bin/bash
+
+set -euo pipefail
+IFS=$'\n\t'
+
+if [[ $# -ne 3 ]]; then
+ echo "Usage: $0 <wg server config file> <server endpoint with port> <desired ip for client (without CIDR)>"
+ exit 1
+fi
+
+# create client keypair
+cli_privkey=$(wg genkey)
+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)
+
+# create client config
+echo "*** Scan this with your mobile phone ***"
+qrencode -t ansiutf8 <<EOF
+[Interface]
+PrivateKey = $cli_privkey
+Address = $3/24
+
+[Peer]
+PublicKey = $srv_pubkey
+Endpoint = $2
+AllowedIPs = 0.0.0.0/0, ::/0
+EOF
+
+tee -a "$1" <<EOF
+
+# Auto-Generated
+[Peer]
+PublicKey = $cli_pubkey
+AllowedIPs = $3/32
+
+EOF
+