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-rw-r--r--program/lib/Roundcube/rcube_ldap.php63
1 files changed, 41 insertions, 22 deletions
diff --git a/program/lib/Roundcube/rcube_ldap.php b/program/lib/Roundcube/rcube_ldap.php
index 36f766d84..334cb2465 100644
--- a/program/lib/Roundcube/rcube_ldap.php
+++ b/program/lib/Roundcube/rcube_ldap.php
@@ -265,31 +265,46 @@ class rcube_ldap extends rcube_addressbook
$replaces = array('%dn' => '', '%dc' => $dc, '%d' => $d, '%fu' => $fu, '%u' => $u);
+ // Search for the dn to use to authenticate
if ($this->prop['search_base_dn'] && $this->prop['search_filter']) {
- if (!empty($this->prop['search_bind_dn']) && !empty($this->prop['search_bind_pw'])) {
- if (!$this->ldap->bind($this->prop['search_bind_dn'], $this->prop['search_bind_pw']))
- continue; // bind failed, try neyt host
- }
+ $search_bind_dn = strtr($this->prop['search_bind_dn'], $replaces);
+ $search_base_dn = strtr($this->prop['search_base_dn'], $replaces);
+ $search_filter = strtr($this->prop['search_filter'], $replaces);
- // Search for the dn to use to authenticate
- $this->prop['search_base_dn'] = strtr($this->prop['search_base_dn'], $replaces);
- $this->prop['search_filter'] = strtr($this->prop['search_filter'], $replaces);
-
- $this->_debug("S: Search {$this->prop['search_base_dn']} for {$this->prop['search_filter']}");
-
- // TODO: use $this->ldap->search() here
- $res = @ldap_search($this->ldap->conn, $this->prop['search_base_dn'], $this->prop['search_filter'], array('uid'));
- if ($res) {
- if (($entry = ldap_first_entry($this->ldap->conn, $res))
- && ($bind_dn = ldap_get_dn($this->ldap->conn, $entry))
- ) {
- $this->_debug("S: OK. Found $bind_dn");
- $dn = ldap_explode_dn($bind_dn, 1);
- $replaces['%dn'] = $dn[0];
- }
+ $cache_key = 'DN.' . md5("$host:$search_bind_dn:$search_base_dn:$search_filter:"
+ .$this->prop['search_bind_pw']);
+
+ if ($dn = $this->cache->get($cache_key)) {
+ $replaces['%dn'] = $dn;
}
else {
- $this->_debug("S: ".ldap_error($this->ldap->conn));
+ $ldap = $this->ldap;
+ if (!empty($search_bind_dn) && !empty($this->prop['search_bind_pw'])) {
+ // To protect from "Critical extension is unavailable" error
+ // we need to use a separate LDAP connection
+ if (!empty($this->prop['vlv'])) {
+ $ldap = new rcube_ldap_generic($this->prop);
+ $ldap->set_debug($this->debug);
+ $ldap->set_cache($this->cache);
+ if (!$ldap->connect($host)) {
+ continue;
+ }
+ }
+
+ if (!$ldap->bind($search_bind_dn, $this->prop['search_bind_pw'])) {
+ continue; // bind failed, try next host
+ }
+ }
+
+ $res = $ldap->search($search_base_dn, $search_filter, 'sub', array('uid'));
+ if ($res) {
+ $res->rewind();
+ $replaces['%dn'] = $res->get_dn();
+ }
+
+ if ($ldap != $this->ldap) {
+ $ldap->close();
+ }
}
// DN not found
@@ -301,9 +316,13 @@ class rcube_ldap extends rcube_addressbook
'code' => 100, 'type' => 'ldap',
'file' => __FILE__, 'line' => __LINE__,
'message' => "DN not found using LDAP search."), true);
- return false;
+ continue;
}
}
+
+ if (!empty($replaces['%dn'])) {
+ $this->cache->set($cache_key, $replaces['%dn']);
+ }
}
// Replace the bind_dn and base_dn variables.