#!/bin/sh

#  ldapdeleteuserfromgroup : deletes a memberUid attribute from a POSIX group in LDAP

#  Copyright (C) 2005 Ganaël LAPLANCHE - Linagora
#
#  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.
#
#  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.

if [ -z "$1" ] || [ -z "$2" ]
then
  echo "Usage : $0 <username> <groupname | gid>"
  exit 1
fi

# Source runtime file
_RUNTIMEFILE="/etc/ldapscripts/runtime"
. "$_RUNTIMEFILE"

# Set username
_UID="$1"

# Check groupname : $2 must exist in LDAP !
_GID=`_ldapsearch "$GSUFFIX,$SUFFIX" "(&(objectClass=posixGroup)(memberUid=$1)(|(cn=$2)(gidNumber=$2)))" cn | grep "cn: " | head -n 1 | sed -e "s|cn: ||"`
[ -z "$_GID" ] && end_die "Group $2 not found (or $1 is not a member of group $2)"

# Modify group entry
_extractldif 2 | _filterldif | _ldapmodify

[ $? -eq 0 ] || end_die "Error deleting user $_UID from group $_GID"
end_ok "Successfully deleted user $_UID from group $_GID"

# Ldif template ##################################
##dn: cn=<gid>,<gsuffix>,<suffix>
##changetype: modify
##delete: memberUid
##memberUid: <uid>