From 6ddfeaf69073e4e44c93ae2cb38ab5e72adfa47f Mon Sep 17 00:00:00 2001
From: rootzoll <christian@geektank.de>
Date: Tue, 27 Nov 2018 21:11:53 +0100
Subject: [PATCH] prevent passord special chars #162

---
 home.admin/20initDialog.sh | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/home.admin/20initDialog.sh b/home.admin/20initDialog.sh
index e411f4d..5947e23 100755
--- a/home.admin/20initDialog.sh
+++ b/home.admin/20initDialog.sh
@@ -31,7 +31,8 @@ B) Blockchain RPC Password
 C) LND Wallet Password
 D) LND Seed Password
 
-Choose now 4 new passwords - all min 8 chars
+Choose now 4 new passwords - all min 8 chars,
+no spaces and only special characters - or .
 Write them down & store them in a safe place.
 " 14 52
 
@@ -43,6 +44,14 @@ dialog --backtitle "RaspiBlitz - Setup"\
 result=$( cat $_temp )
 shred $_temp
 
+clearedResult=$(echo '${result}' | tr -dc '[:alnum:]-.')
+if [ ${#clearedResult} != ${#result} ]; then
+  clear
+  echo "FAIL - Password contained not allowed chars"
+  echo "Please restart with ./00mainMenu.sh"
+  exit 1
+fi
+
 # check input (check for more later)
 if [ ${#result} -eq 0 ]; then
   clear