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