#!/bin/sh 
# BEGIN COPYRIGHT BLOCK
# 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; version 2 of the License.
# 
# This Program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
# 
# You should have received a copy of the GNU General Public License along with
# this Program; if not, write to the Free Software Foundation, Inc., 59 Temple
# Place, Suite 330, Boston, MA 02111-1307 USA.
# 
# Copyright (C) 2007 Red Hat, Inc.
# All rights reserved.
# END COPYRIGHT BLOCK
#

##  Always switch into this base directory
##  prior to script execution so that all
##  of its output is written to this directory

cd `dirname $0`


##
##  This script MUST be run as root!
##

ROOTUID=0

OS=`uname`
if [ "${OS}" = "Linux" ] ; then
    MY_EUID=`/usr/bin/id -u`
    MY_UID=`/usr/bin/id -ur`
    USERNAME=`/usr/bin/id -un`
else
    printf "ERROR:  Unsupported operating system '${OS}'!\n"
    exit 255
fi

if [ "${MY_UID}"  != "${ROOTUID}" ] &&
   [ "${MY_EUID}" != "${ROOTUID}" ] ; then
    printf "ERROR:  The '$0' script must be run as root!\n"
    exit 255
fi


##  First, check for the existence of a directory server on this machine.
if [ ! -e /etc/init.d/dirsrv ]; then
    printf "The Directory Server package does NOT exist on this machine!\n"
    exit 255
fi


##  Second, check for the existence of a directory server administration server 
##  on this machine.
if [ -e /usr/sbin/ds_removal ]    &&
   [ -d /usr/lib/dirsrv/cgi-bin ] ||
   [ -d /usr/lib64/dirsrv/cgi-bin ]; then
    printf "This machine contains a Directory Server Administration\n" 
    printf "Server which means that Directory Server instances may\n"
    printf "have been registered with the Administration Server.\n\n"
    while :
    do
        printf "Do you wish to use the '/usr/sbin/ds_removal' tool\n"
        printf "instead of '$0'?  [yn]  "
        read ANSWER
        printf "\n"
        if [ "${ANSWER}" = "Y" ] ||
           [ "${ANSWER}" = "y" ] ; then
            printf "\n"
            printf "Please RUN the '/usr/sbin/ds_removal' tool to remove\n"
            printf "the desired DS instance instead of '$0'.\n\n"
            exit 255
        elif [ "${ANSWER}" = "N" ] ||
             [ "${ANSWER}" = "n" ] ; then
            printf "\n"
            break
        else
            continue
        fi
    done
fi


Usage()
{
    printf "Usage:  $0 -s server_id\n"
    printf "        server_id:  Directory server identifier; slapd-<server_id>\n"
}

error=""
server_id=""
ds_server=""
ds_remove_cgi=""

while [ "$1" != "" ]
do
    if [ "$1" = "-s" ]; then
        shift
        server_id=$1
        shift
    elif [ "$1" = "-h" -o "$1" = "-H" -o "$1" = "--help" ]; then
        Usage
        exit 0
    else
        printf "ERROR:  Option '$1' is not supported!\n"
        Usage
        exit 1
    fi
done

if [ "$server_id" = "" ]; then
    error="Directory Server identifier is missing!"
else
    if [ -d "/usr/lib/dirsrv/slapd-${server_id}" ]; then
        ds_server="/usr/lib/dirsrv/slapd-${server_id}"
        ds_remove_cgi="./ds_remove_cgi_32"
    elif [ -d "/usr/lib64/dirsrv/slapd-${server_id}" ]; then
        ds_server="/usr/lib64/dirsrv/slapd-${server_id}"
        ds_remove_cgi="./ds_remove_cgi_64"
    else
        error="Directory server identifier 'slapd-${server_id}' does not exist!"
    fi
fi

if [ "$error" != "" ]; then
    printf "ERROR:  ${error}\n"
    Usage
    exit 1
fi

QUERY_STRING="InstanceName=slapd-${server_id}"; export QUERY_STRING
REQUEST_METHOD=GET; export REQUEST_METHOD

if [ -c /dev/null ]; then
    NULL=/dev/null
else
    NULL=/tmp/ds_remove.out
fi

${ds_remove_cgi} > $NULL << EOF
EOF

if [ -d "${ds_server}" ]; then
    printf "FAILED to remove '${ds_server}'!\n"
else
    printf "Successfully removed '${ds_server}'!\n"
    printf "NOTE:  Copies of your security databases have been saved\n"
    printf "       in '/etc/dirsrv/slapd-${server_id}.removed'!\n"
fi

exit $?