From 995a785c17bc5a6ca18deb5e3be4512e20e822d6 Mon Sep 17 00:00:00 2001
From: Steven Foerster <steven@cyber5k.com>
Date: Fri, 12 Mar 2021 11:48:12 -0500
Subject: [PATCH] passwd.sh

---
 scripts/install.sh              |  8 +-------
 scripts/subinstallers/passwd.sh | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 7 deletions(-)
 create mode 100755 scripts/subinstallers/passwd.sh

diff --git a/scripts/install.sh b/scripts/install.sh
index e79b838..6d86774 100755
--- a/scripts/install.sh
+++ b/scripts/install.sh
@@ -59,13 +59,7 @@ echo -e "| |  | | \__ \ |_| |_) | (_) | |  | | | |"
 echo -e "|_|  |_|_|___/\__|_.__/ \___/|_|  |_| |_|"
 echo -e ""
 
-# INPUT default admin password
-if [ -z "${MISTBORN_DEFAULT_PASSWORD}" ]; then
-    read -p "(Mistborn) Set default admin password: " -s MISTBORN_DEFAULT_PASSWORD
-    echo
-else
-    echo "MISTBORN_DEFAULT_PASSWORD is already set"
-fi
+source ./scripts/subinstallers/passwd.sh
 
 # Install Cockpit?
 if [ -z "${MISTBORN_INSTALL_COCKPIT}" ]; then
diff --git a/scripts/subinstallers/passwd.sh b/scripts/subinstallers/passwd.sh
new file mode 100755
index 0000000..5d8685e
--- /dev/null
+++ b/scripts/subinstallers/passwd.sh
@@ -0,0 +1,19 @@
+#!/bin/bash
+
+# INPUT default admin password
+while [ -z "${MISTBORN_DEFAULT_PASSWORD}" ]; do
+    echo "(Mistborn) The default admin password may only container alphanumeric characters and _"
+    read -p "(Mistborn) Set default admin password: " -s MISTBORN_DEFAULT_PASSWORD
+    echo
+
+    if [[ $s =~ ^[A-Za-z_]+$ ]]; then
+    # it matches
+        echo "(Mistborn) Password is accepted"
+    else
+        unset MISTBORN_DEFAULT_PASSWORD
+        echo "(Mistborn) Try again"
+    fi
+
+done
+
+echo "MISTBORN_DEFAULT_PASSWORD is set"