#! /bin/sh
#----------------------------------------------------------------------------
# add-user - add user
#
# Copyright (c) 2001-2003 Frank Meyer <frank@eisfair.org>
#
# usage: add-user
#    or: add-user user encrypted-password uid gid name home shell
#
# if password is empty, user will be prompted
# if uid or gid is empty, values will be evaluated
#
# Creation:	04.11.2001  fm
# Last Update:  13.08.2003  fm
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

case $#
in
    0)
	interactive='true'

	user=""
	password=""
	uid=""
	gid=""
	name=""
	home=""
	shell=""
	;;
    7)
	interactive='false'

	user="$1"
	password="$2"
	uid="$3"
	gid="$4"
	name="$5"
	home="$6"
	shell="$7"
	;;
    *)
	echo "usage: `basename $0`" >&2
	echo "   or: `basename $0` user encrypted-password uid gid name home shell" >&2
	exit 1
	;;
esac

if [ "$interactive" = "true" ]
then
    clrhome
    colecho "Add user" gn
    echo
fi

if [ "$uid" = "" ]
then
    IFS=':'
    uid=2000
    while read line
    do
	set -- $line
	if [ $3 -gt $uid -a $3 -lt 3000 ]
	then
	    uid=$3
	fi
    done </etc/passwd

    uid=`expr $uid + 1`
fi

if [ "$user" = "" ]
then
    echo -e "User-ID (e.g. 'www'): \c"
    read user
fi

case "$user"
in
    "")
	colecho "no user added" br x br
	;;
    *)
	grep "^$user:" /etc/passwd >/dev/null
	if [ $? = 0 ]
	then
	    echo
	    colecho "user-id $user already exists" br x br
	else
	    if [ "$name" = "" ]
	    then
		echo -e "Name of user: \c"
		read name
	    fi

	    if [ "$gid" = "" ]
	    then
		gid=100
	    fi

	    if [ "$home" = "" ]
	    then
		home=/home/$user
	    fi

	    if [ "$shell" = "" ]
	    then
		shell=/bin/sh
	    fi

	    echo "$user:x:$uid:$gid:$name:$home:$shell" >>/etc/passwd
	    echo "$user:$password:11622:0:99999:7:::" >>/etc/shadow

	    grep "^users:" /etc/group >/dev/null
	    if [ $? != 0 ]
	    then
		echo "users:x:100:" >>/etc/group
	    fi

	    if [ "$password" = "" ]
	    then
		passwd $user
	    fi

	    if [ ! -d $home ]
	    then
		mkdir $home
		chown $user $home
		chgrp $gid $home
		chmod 755 $home
	    fi
	fi
	;;
esac

if [ "$interactive" = "true" ]
then
    echo
    /var/install/bin/anykey
fi