Fix imap host selection in install script

installer/config.php

@@ -250,14 +250,10 @@ echo $select_dbba->show($RCI->getprop('db_backend'));
 <div id="defaulthostlist">
 <?php
 
-$default_hosts = (array)$RCI->getprop('default_host');
 $text_imaphost = new textfield(array('name' => '_default_host[]', 'size' => 30));
 
 $i = 0;
-foreach ($default_hosts as $key => $name) {
-  if (empty($name))
-    continue;
-  $host = is_numeric($key) ? $name : $key;
+foreach ($RCI->get_hostlist() as $host) {
   echo '<div id="defaulthostentry'.$i.'">' . $text_imaphost->show($host);
   if ($i++ > 0)
     echo '<a href="#" onclick="removehostfield(this.parentNode);return false" class="removelink" title="Remove this entry">remove</a>';

installer/rcube_install.php

@@ -98,7 +98,8 @@ class rcube_install
    */
   function getprop($name, $default = '')
   {
-    $value = $_SERVER['REQUEST_METHOD'] == 'POST' ? $_POST["_$name"] : $this->config[$name];
+    $value = $_SERVER['REQUEST_METHOD'] == 'POST' &&
+              (isset($_POST["_$name"]) || $this->config_props[$name]) ? $_POST["_$name"] : $this->config[$name];
     
     if ($name == 'des_key' && !isset($_REQUEST["_$name"]))
       $value = self::random_key(24);
@@ -181,6 +182,25 @@ class rcube_install
   }
   
   
+  /**
+   * Return a list with all imap hosts configured
+   *
+   * @return array Clean list with imap hosts
+   */
+  function get_hostlist()
+  {
+    $default_hosts = (array)$this->getprop('default_host');
+    $out = array();
+    
+    foreach ($default_hosts as $key => $name) {
+      if (!empty($name))
+        $out[] = is_numeric($key) ? $name : $key;
+    }
+    
+    return $out;
+  }
+  
+  
   /**
    * Display OK status
    *

installer/test.php

@@ -238,9 +238,14 @@ echo '</p>';
 
 <?php
 
-$default_hosts = (array)$RCI->getprop('default_host');
-$select_imaphost = new select(array('name' => '_host', 'id' => 'imaphost'));
-$select_imaphost->add(array_values($default_hosts));
+$default_hosts = $RCI->get_hostlist();
+if (!empty($default_hosts)) {
+  $host_field = new select(array('name' => '_host', 'id' => 'imaphost'));
+  $host_field->add($default_hosts);
+}
+else {
+  $host_field = new textfield(array('name' => '_host', 'id' => 'imaphost'));
+}
 
 $user_field = new textfield(array('name' => '_user', 'id' => 'imapuser'));
 $pass_field = new passwordfield(array('name' => '_pass', 'id' => 'imappass'));
@@ -251,7 +256,7 @@ $pass_field = new passwordfield(array('name' => '_pass', 'id' => 'imappass'));
 <tbody>
   <tr>
     <td><label for="imaphost">Server</label></td>
-    <td><?php echo $select_imaphost->show($_POST['_host'] ? $_POST['_host'] : '0'); ?></td>
+    <td><?php echo $host_field->show($_POST['_host']); ?></td>
   </tr>
   <tr>
     <td>Port</td>