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Add a function to test the connection health

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This commit is contained in:
Matthias Jentsch 2015-07-14 18:29:58 +02:00
parent 6599940e6c
commit 40d432100b
1 changed files with 57 additions and 12 deletions

69
library/Icinga/Protocol/Ldap/LdapConnection.php

@ -983,24 +983,69 @@ class LdapConnection implements Selectable, Inspectable
ldap_set_option($ds, LDAP_OPT_REFERRALS, 0);
if ($this->encryption === static::STARTTLS) {
if (($this->encryptionSuccess = @ldap_start_tls($ds))) {
Logger::debug('LDAP STARTTLS succeeded');
} else {
Logger::error('LDAP STARTTLS failed: %s', ldap_error($ds));
// ldap_start_tls seems to corrupt the connection though if I understand
// https://tools.ietf.org/html/rfc4511#section-4.14.2 correctly, this shouldn't happen
$ds = ldap_connect($hostname, $this->port);
ldap_set_option($ds, LDAP_OPT_PROTOCOL_VERSION, 3);
ldap_set_option($ds, LDAP_OPT_REFERRALS, 0);
$this->encrypted = true;
$this->logInfo('Connect using STARTTLS');
if (! $this->validateCertificate) {
$this->logInfo('Skipping certificate validation');
}
} elseif ($this->encryption === static::LDAPS) {
$this->encryptionSuccess = true;
$ret = ldap_start_tls($ds);
var_dump($ret);
if ($ret) {
} else {
throw new LdapException('LDAP STARTTLS failed: %s', ldap_error($ds));
}
} elseif ($this->encryption !== static::LDAPS) {
$this->encrypted = false;
$this->logInfo('Connect without encryption');
}
return $ds;
}
/**
* Test if needed aspects of the LDAP connection are working as expected
*
* Extended information about the
*
* @throws \Icinga\Protocol\Ldap\LdapException When a critical aspect of the health test fails
*/
public function testConnectionHealth()
{
$this->healthy = false;
$this->info = array();
// Try to connect to the server with the given connection parameters
$ds = $this->prepareNewConnection();
// Try a bind-command with the given user credentials, this must not fail
$success = @ldap_bind($ds, $this->bindDn, $this->bindPw);
$msg = sprintf('LDAP bind to %s:%s (%s / %s)', $this->hostname, $this->port, $this->bindDn, '***' /* $this->bindPw */);
if (! $success) {
throw new LdapException('%s failed: %s', $msg, ldap_error($ds));
}
$this->logInfo(sprintf($msg . ' successful'));
// Try to execute a schema discovery, this may fail if schema discovery is not supported
try {
$cap = LdapCapabilities::discoverCapabilities($this, $ds);
$infos []= $cap->getVendor();
$version = $cap->getVersion();
if (isset($version)) {
$infos []= $version;
}
$infos []= 'Supports STARTTLS: ' . ($cap->hasStartTls() ? 'True' : 'False');
$infos []= 'Default naming context: ' . $cap->getDefaultNamingContext();
$this->info['Discovery Results:'] = $infos;
} catch (Exception $e) {
$this->logInfo('Schema discovery not possible: ', $e->getMessage());
}
$this->healthy = true;
}
/**
* Set up how to handle StartTLS connections
*