Merge branch 'development'

Labb7/ovning3_zenity.sh

@@ -0,0 +1,75 @@
+#!/bin/bash
+
+# Jack-Benny Persson
+# LX13
+# Excercise 3, lab 7 (Code a script to help admins create new users)
+
+# Define some variables
+
+# Binaries
+Chpasswd="/usr/sbin/chpasswd"
+Useradd="/usr/sbin/useradd"
+Zenity="/usr/bin/zenity"
+Grep="/bin/grep"
+Cat="/bin/cat"
+Rm="/bin/rm"
+
+# Functions
+ask()
+{
+	$Zenity --title "Create new user" --forms \
+		--add-entry="Username" \
+		--add-entry="Full path of shell" \
+		--add-entry="Comment (Full name etc)" \
+		--add-password="Password" \
+		> /tmp/createuser
+	if [ $? -eq 1 ]; then
+		echo "Aborting, user hit cancel..."
+		exit 2
+	fi
+	Input=`$Cat /tmp/createuser`
+}
+
+extract_data()
+{
+	Username=`echo $Input | awk -F "|" '{ print $1 }'`
+	UserShell=`echo $Input | awk -F "|" '{ print $2 }'`
+	Comment=`echo $Input | awk -F "|" '{ print $3 }'`
+	Password=`echo $Input | awk -F "|" '{ print $4 }'`
+}
+
+
+# Sanity checks
+if [ $EUID -ne 0 ]; then
+	echo "You need to run this script as root"
+	exit 2
+fi
+
+for bin in $Chpasswd $Useradd $Zenity $Grep $Cat $Rm; do
+	if [ ! -x $bin ]; then
+		echo "Can't execute $bin"
+		exit 2
+	fi
+done
+
+# Main
+
+# Display the question form
+ask
+
+# Extract the data from the temp file
+extract_data
+
+# Remove temp file for security reasons
+$Rm /tmp/createuser
+
+# Create the user and set the password
+$Useradd -m -s $UserShell -c "$Comment" $Username
+if [ $? -ne 0 ]; then
+	echo "Couldn't create new user $Username, aborting"
+	exit 2
+fi
+echo "${Username}:${Password}" | $Chpasswd
+
+exit 0
+