Fix various PHP code bugs found using static analysis (#1489086)

CHANGELOG

@@ -1,6 +1,7 @@
 CHANGELOG Roundcube Webmail
 ===========================
 
+- Fix various PHP code bugs found using static analysis (#1489086)
 - Fix backslash character handling on vCard import (#1489085)
 - Fix csv import from Thunderbird with French localization (#1489059)
 - Fix messages list focus issue in Opera and Webkit (#1489058)

plugins/enigma/enigma.php

@@ -47,6 +47,8 @@ class enigma extends rcube_plugin
         $rcmail = rcmail::get_instance();
         $this->rc = $rcmail;
 
+        $section = rcube_utils::get_input_value('_section', rcube_utils::INPUT_GET);
+
         if ($this->rc->task == 'mail') {
             // message parse/display hooks
             $this->add_hook('message_part_structure', array($this, 'parse_structure'));
@@ -79,7 +81,6 @@ class enigma extends rcube_plugin
             $this->register_action('plugin.enigma', array($this, 'preferences_ui'));
 
             // grab keys/certs management iframe requests
-            $section = rcube_utils::get_input_value('_section', rcube_utils::INPUT_GET);
             if ($this->rc->action == 'edit-prefs' && preg_match('/^enigma(certs|keys)/', $section)) {
                 $this->load_ui();
                 $this->ui->init($section);

plugins/enigma/lib/enigma_engine.php

@@ -374,17 +374,15 @@ class enigma_engine
     {
         // @TODO: Handle big bodies using (temp) files
         // @TODO: caching of verification result
-        
         $sig = $this->pgp_driver->verify($msg_body, $sig_body);
 
         if (($sig instanceof enigma_error) && $sig->getCode() != enigma_error::E_KEYNOTFOUND)
             rcube::raise_error(array(
                 'code' => 600, 'type' => 'php',
                 'file' => __FILE__, 'line' => __LINE__,
-                'message' => "Enigma plugin: " . $error->getMessage()
+                'message' => "Enigma plugin: " . $sig->getMessage()
                 ), true, false);
 
-//print_r($sig);
         return $sig;
     }
 
@@ -399,11 +397,9 @@ class enigma_engine
     {
         // @TODO: Handle big bodies using (temp) files
         // @TODO: caching of verification result
-        
+        $key = ''; $pass = ''; // @TODO
         $result = $this->pgp_driver->decrypt($msg_body, $key, $pass);
 
-//print_r($result);
-
         if ($result instanceof enigma_error) {
             $err_code = $result->getCode();
             if (!in_array($err_code, array(enigma_error::E_KEYNOTFOUND, enigma_error::E_BADPASS)))

plugins/password/drivers/pam.php

@@ -12,6 +12,7 @@ class rcube_pam_password
     function save($currpass, $newpass)
     {
         $user  = $_SESSION['username'];
+        $error = '';
 
         if (extension_loaded('pam') || extension_loaded('pam_auth')) {
             if (pam_auth($user, $currpass, $error, false)) {

program/lib/Roundcube/rcube_db.php

@@ -128,7 +128,7 @@ class rcube_db
         $dsn_string  = $this->dsn_string($dsn);
         $dsn_options = $this->dsn_options($dsn);
 
-        if ($db_pconn) {
+        if ($this->db_pconn) {
             $dsn_options[PDO::ATTR_PERSISTENT] = true;
         }
 

program/lib/Roundcube/rcube_smtp.php

@@ -119,7 +119,7 @@ class rcube_smtp
         }
 
         // try to connect to server and exit on failure
-        $result = $this->conn->connect($smtp_timeout);
+        $result = $this->conn->connect($CONFIG['smtp_timeout']);
 
         if (PEAR::isError($result)) {
             $this->response[] = "Connection failed: ".$result->getMessage();