#!/bin/sh

#  ldapadduser : adds a POSIX user account to LDAP

#  Copyright (C) 2005 Ganal LAPLANCHE - Linagora
#  Copyright (C) 2006-2017 Ganal LAPLANCHE
#
#  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" ] || [ "$1" = "-h" ] || [ "$1" = "--help" ]
then
  echo "Usage : $0 <username> <groupname | gid> [uid]"
  exit 1
fi

# Source runtime file
_RUNTIMEFILE="/usr/lib/ldapscripts/runtime"
. "$_RUNTIMEFILE"

# Username = first argument
_USER="$1"

# User GID = second argument
_GID=$(_grouptogid "$2")
[ -z "$_GID" ] && end_die "Cannot resolve group $2 to gid : not found"

# User UID
if [ -z "$3" ] # No argument, we must find a correct UID
then
  _UID=$(_findnextuid)
  [ -z "_UID" ] && end_die "Cannot guess next free user id"
else
  _UID="$3"
fi

# Compute homedir
_HOMEDIR=$(echo "$UHOMES" | sed "s|%u|$_USER|g")

# Use template if necessary
if [ -n "$UTEMPLATE" ] && [ -r "$UTEMPLATE" ]
then
  _getldif="cat $UTEMPLATE"
else
  _getldif="_extractldif 2"
fi

# Add user to LDAP
$_getldif | _filterldif | _askattrs | _utf8encode | _ldapadd

[ $? -eq 0 ] || end_die "Error adding user $_USER to LDAP"
echo_log "Successfully added user $_USER to LDAP"

# Generate or ask for user password
if is_like "$PASSWORDGEN" "<ask>"
then
  warn_log "Setting password for user $_USER"
  _askpassword
else
  _genpassword "$_USER"
fi

# Add user password
if [ -n "$_PASSWORD" ]
then
  _changepassword "$_PASSWORD" "uid=$_USER,$USUFFIX,$SUFFIX"
  [ $? -eq 0 ] && echo_log "Successfully set password for user $_USER"
else
  [ -n "$PASSWORDGEN" ] && warn_log "Warning : got invalid password for user $_USER (password not set)"
fi

# Create Home dir
if is_yes "$CREATEHOMES"
then
  if [ -e "$_HOMEDIR" ]
  then
    warn_log "Skipped home directory creation for user $_USER (already exists)"
  else
    # Create home by skel or mkdir
    if [ -d "$HOMESKEL" ]
    then
      cp -pR "$HOMESKEL/" "$_HOMEDIR" 2>>"$LOGFILE" 1>/dev/null
    else
      mkdir -p "$_HOMEDIR" 2>>"$LOGFILE" 1>/dev/null
    fi

    chmod "$HOMEPERMS" "$_HOMEDIR" 2>>"$LOGFILE" 1>/dev/null
    chown -R "$_UID":"$_GID" "$_HOMEDIR" 2>>"$LOGFILE" 1>/dev/null
    echo_log "Successfully created home directory for user $_USER"
  fi
fi

end_ok

# Ldif template ##################################
##dn: uid=<user>,<usuffix>,<suffix>
##objectClass: account
##objectClass: posixAccount
##cn: <user>
##uid: <user>
##uidNumber: <uid>
##gidNumber: <gid>
##homeDirectory: <home>
##loginShell: <shell>
##gecos: <user>
##description: User account
