/**
* Establish a connection to the LDAP server
*/
public function connect($host = null)
{
// Net_LDAP3 does not support IDNA yet
// also parse_host() here is very Roundcube specific
$host = rcube_utils::idn_to_ascii(rcube_utils::parse_host($host));
return parent::connect($host);
}
public function list_replicas()
{
$this->_debug("Finding replicas for this server.");
// Search any host that is a replica for the current host
$replica_hosts = $this->config_get('replica_hosts', array());
$root_dn = $this->config_get('config_root_dn');
if (!empty($replica_hosts)) {
return $replica_hosts;
}
$ldap = new Net_LDAP3($this->config);
$ldap->connect();
$ldap->bind($this->_current_bind_dn, $this->_current_bind_pw);
$result = $ldap->search($root_dn, '(objectclass=nsds5replicationagreement)', 'sub', array('nsds5replicahost'));
if (!$result) {
$this->_debug("No replicas configured");
return $replica_hosts;
}
$this->_debug("Replication agreements found: " . var_export($result->entries(true), true));
foreach ($result->entries(true) as $dn => $attrs) {
if (!in_array($attrs['nsds5replicahost'], $replica_hosts)) {
$replica_hosts[] = $attrs['nsds5replicahost'];
}
}
// $replica_hosts now holds the IDs of servers we are currently NOT
// connected to. We might need this later in order to set
$this->_server_id_not = $replica_hosts;
$this->_debug("So far, we have the following replicas: " . var_export($replica_hosts, true));
$ldap->close();
foreach ($replica_hosts as $replica_host) {
$ldap->config_set('hosts', array($replica_host));
$ldap->connect();
$ldap->bind($this->_current_bind_dn, $this->_current_bind_pw);
$result = $ldap->search($root_dn, '(objectclass=nsds5replicationagreement)', 'sub', array('nsds5replicahost'));
if (!$result) {
$this->_debug("No replicas configured on {$replica_host}");
$ldap->close();
continue;
}
foreach ($result->entries(true) as $dn => $attrs) {
if (!in_array($attrs['nsds5replicahost'], $replica_hosts)) {
$replica_hosts[] = $attrs['nsds5replicahost'];
}
}
$ldap->close();
}
$this->config_set('replica_hosts', $replica_hosts);
return $replica_hosts;
}
