SF Feature #3387473 - Support for schema discovery using OpenLDAP's cn=config DN

This commit is contained in:
Caleb Callaway 2011-10-13 08:17:32 +11:00 committed by Deon George
parent cddf783c27
commit 2d018aad7b

View File

@ -1375,6 +1375,40 @@ class ldap extends DS {
} }
} }
# Option 3: try cn=config
$olc_schema = 'olc'.$schema_to_fetch;
$old_schema_found = false;
if (is_null($schema_search)) {
if (DEBUG_ENABLED)
debug_log('Attempting cn=config work-around...',24,0,__FILE__,__LINE__,__METHOD__);
$ldap_dn = 'cn=schema,cn=config';
$ldap_filter = '(objectClass=*)';
$schema_search = @ldap_search($this->connect($method),$ldap_dn,$ldap_filter,array($olc_schema),false,0,10,LDAP_DEREF_NEVER);
if (! is_null($schema_search)) {
$schema_entries = @ldap_get_entries($this->connect($method),$schema_search);
if (DEBUG_ENABLED)
debug_log('Search returned [%s]',24,0,__FILE__,__LINE__,__METHOD__,$schema_entries);
if ($schema_entries) {
if (DEBUG_ENABLED)
debug_log('Found schema with filter of (%s) and attribute filter (%s)',24,0,__FILE__,__LINE__,__METHOD__,$ldap_filter,$olc_schema);
$olc_schema_found = true;
} else {
if (DEBUG_ENABLED)
debug_log('Didnt find schema with filter (%s) and attribute filter (%s)',24,0,__FILE__,__LINE__,__METHOD__,$ldap_filter,$olc_schema);
unset($schema_entries);
$schema_search = null;
}
}
}
if (is_null($schema_search)) { if (is_null($schema_search)) {
/* Still cant find the schema, try with the RootDSE /* Still cant find the schema, try with the RootDSE
* Attempt to pull schema from Root DSE with scope "base", or * Attempt to pull schema from Root DSE with scope "base", or
@ -1444,9 +1478,35 @@ class ldap extends DS {
return $return; return $return;
} }
if ($olc_schema_found) {
unset ($schema_entries['count']);
foreach ($schema_entries as $entry) {
if (isset($entry[$olc_schema])) {
unset($entry[$olc_schema]['count']);
foreach ($entry[$olc_schema] as $schema_definition)
/* Schema definitions in child nodes prefix the schema entries with "{n}"
the preg_replace call strips out this prefix. */
$schema[] = preg_replace('/^\{\d*\}\(/','(',$schema_definition);
}
}
if (isset($schema)) {
$this->_schema_entries[$olc_schema] = $schema;
if (DEBUG_ENABLED)
debug_log('Returning (%s)',25,0,__FILE__,__LINE__,__METHOD__,$schema);
return $schema;
} else
return null;
}
if (! isset($schema_entries[0][$schema_to_fetch])) { if (! isset($schema_entries[0][$schema_to_fetch])) {
if (in_array($schema_to_fetch,$schema_error_message_array)) { if (in_array($schema_to_fetch,$schema_error_message_array)) {
error(sprintf('Our attempts to find your SCHEMA for "%s" has return UNEXPECTED results.<br /><br /><small>(We expected a "%s" in the $schema array but it wasnt there.)</small><br /><br />%s<br /><br />Dump of $schema_search:<hr /><pre><small>%s</small></pre>', error(sprintf('Our attempts to find your SCHEMA for "%s" have return UNEXPECTED results.<br /><br /><small>(We expected a "%s" in the $schema array but it wasnt there.)</small><br /><br />%s<br /><br />Dump of $schema_search:<hr /><pre><small>%s</small></pre>',
$schema_to_fetch,gettype($schema_search),$schema_error_message,serialize($schema_entries)),'error','index.php'); $schema_to_fetch,gettype($schema_search),$schema_error_message,serialize($schema_entries)),'error','index.php');
} else { } else {