From 4e6a2b71e398d34267a3aec93fa2f261855ab774 Mon Sep 17 00:00:00 2001
From: Dean Troyer <dtroyer@gmail.com>
Date: Thu, 29 Dec 2011 17:27:45 -0600
Subject: [PATCH] Allow only aphanum chars in user-entered passwords
Fixes bug 885345
Change-Id: Ib41319676d2fd24144a1493bd58543ad71eb8d6c
---
stack.sh | 15 ++++++++++-----
1 file changed, 10 insertions(+), 5 deletions(-)
diff --git a/stack.sh b/stack.sh
index 19543ca6e0..4307d1f82f 100755
--- a/stack.sh
+++ b/stack.sh
@@ -244,12 +244,17 @@ function read_password {
echo '################################################################################'
echo $msg
echo '################################################################################'
- echo "This value will be written to your localrc file so you don't have to enter it again."
- echo "It is probably best to avoid spaces and weird characters."
+ echo "This value will be written to your localrc file so you don't have to enter it "
+ echo "again. Use only alphanumeric characters."
echo "If you leave this blank, a random default value will be used."
- echo "Enter a password now:"
- read -e $var
- pw=${!var}
+ pw=" "
+ while true; do
+ echo "Enter a password now:"
+ read -e $var
+ pw=${!var}
+ [[ "$pw" = "`echo $pw | tr -cd [:alnum:]`" ]] && break
+ echo "Invalid chars in password. Try again:"
+ done
if [ ! $pw ]; then
pw=`openssl rand -hex 10`
fi