From 76d13d7f3a717f5d9ead7b07902f9e0e74cae8ad Mon Sep 17 00:00:00 2001
From: Julian Gaal <22290570+juliangaal@users.noreply.github.com>
Date: Sat, 14 Nov 2020 23:06:27 +0100
Subject: [PATCH] Forbid client names exceeding 15 chars in length

---
 wireguard-install.sh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wireguard-install.sh b/wireguard-install.sh
index 9e09caa..55e0571 100644
--- a/wireguard-install.sh
+++ b/wireguard-install.sh
@@ -219,9 +219,9 @@ function newClient() {
 
 	echo ""
 	echo "Tell me a name for the client."
-	echo "The name must consist of alphanumeric character. It may also include an underscore or a dash."
+	echo "The name must consist of alphanumeric character. It may also include an underscore or a dash and can't exceed 15 chars."
 
-	until [[ ${CLIENT_NAME} =~ ^[a-zA-Z0-9_-]+$ && ${CLIENT_EXISTS} == '0' ]]; do
+	until [[ ${CLIENT_NAME} =~ ^[a-zA-Z0-9_-]+$ && ${CLIENT_EXISTS} == '0' && ${#CLIENT_NAME} < 16 ]]; do
 		read -rp "Client name: " -e CLIENT_NAME
 		CLIENT_EXISTS=$(grep -c -E "^### Client ${CLIENT_NAME}\$" "/etc/wireguard/${SERVER_WG_NIC}.conf")