addldapuser

#!/bin/bash

# Add a user to the system, if they don't already exist. This script must be run as root.
# If the user exists in Stanford LDAP, we'll user their Stanford-wide UID. Otherwise,
# they get assigned a local UID that's outside the Stanford UID range.

# Copyright 2012 by Gunnaer Schaefer (gsfr@stanford.edu)  and Bob Dougherty (bobd@stanford.edu)

if [ ! $1 ]; then
    echo "Usage: $0 SUNetID"
    exit 999
fi

if id $1 &> /dev/null ; then
    if [ -z "`groups $1 | grep ipython`" ]; then
        /usr/sbin/adduser $1 ipython
    else
    	echo "User $1 already exists and is a member of the ipython group."
    fi
    exit 1
else
    ldapinfo=$(ldapsearch -x -h ldap.stanford.edu uid=$1)
    uid_num=$(echo "$ldapinfo" | grep uidNumber); uid_num=${uid_num##*: }
    firstname=$(echo "$ldapinfo" | grep suDisplayNameFirst); firstname=${firstname##*: }
    lastname=$(echo "$ldapinfo" | grep suDisplayNameLast); lastname=${lastname##*: }
    if [ -z $uid_num ]; then
        echo "User $1 does not exist in LDAP. Assigning a local UID."
        uid_num=$((`(echo 69999; cut -d':' -f3 /etc/passwd) | sort -n | tail -1` + 1))
    fi
    echo "Creating user $1 ($firstname $lastname, uid = $uid_num)..."
    /usr/sbin/adduser --disabled-password --uid $uid_num --gecos "$firstname $lastname" $1
    /usr/sbin/adduser $1 ipython
fi