Exercise 3, lab 7 done

Labb7/ovning3.sh

@@ -8,6 +8,7 @@
 
 # Binaries
 Chpasswd="/usr/sbin/chpasswd"
+Useradd="/usr/sbin/useradd"
 Dialog="/usr/bin/dialog"
 Grep="/bin/grep"
 Cat="/bin/cat"
@@ -16,7 +17,7 @@ Cat="/bin/cat"
 ask()
 {
 	$Dialog --backtitle "Create new user" --inputbox "$1" 10 60\
-		>> /tmp/createuser
+		2> /tmp/createuser
 	Input=`$Cat /tmp/createuser`
 	if [ $? -ne 0 ]; then
 		echo "Aborting, something went wrong..."
@@ -27,12 +28,6 @@ ask()
 	fi
 }
 
-list_shells()
-{
-	for Shell in `$Cat /etc/shells | $Grep /bin`; do
-		echo "$Shell '$Shell'"	
-	done
-}
 
 # Sanity checks
 if [ $EUID -ne 0 ]; then
@@ -40,7 +35,7 @@ if [ $EUID -ne 0 ]; then
 	exit 2
 fi
 
-for bin in $Chpasswd $Dialog; do
+for bin in $Chpasswd $Useradd $Dialog $Grep $Cat; do
 	if [ ! -x $bin ]; then
 		echo "Can't execute $bin"
 		exit 2
@@ -51,5 +46,23 @@ done
 ask "Enter username of the new user"
 Username=$Input
 
+# Get a list of all avaliable shells on the system
+Shell=`$Cat /etc/shells | $Grep /bin`
+ShellList=`printf "$Shell" | sed 's/ / shell /g' | sed 's/$/ shell/'`
+
+HowMany=`echo $Shell | wc -w` # How many shells are avaliable?
+
 $Dialog --backtitle "Create new user"\
-	--menu "Choose a shell for your new user" 10 60 list_shells
+	--menu "Choose a shell for your new user" 14 60 $HowMany $ShellList\
+	2> /tmp/createuser
+Input=`$Cat /tmp/createuser`
+UserShell=$Input
+
+ask "Enter a password for the new user"
+Password=$Input
+
+# Create the user and set the password
+$Useradd -m -s $UserShell $Username
+echo "${Username}:${Password}" | $Chpasswd
+
+exit 0