load system config file; document config options

2 files changed, 23 insertions, 0 deletions

diff --git a/README b/README
index 741ddc1..7475c58 100644
--- a/README
+++ b/README
@@ -11,6 +11,24 @@ The routers are also known under the names:
 - WRT54G3G
 
 
+Configuration
+-------------
+The tools can be configured in three ways:
+1. Commandline options
+   Use --help to get an overview
+
+2. User configuration file
+   ~/.config/linksys-wrt3g-tools
+
+3. System configuration file
+   /etc/linksys-wrt3g-tools
+
+The configuration files are normal ini-style files with key=value
+lines. Supported configuration options in the files are
+ - host
+ - user
+ - password
+
 
 Dependencies
 ------------
diff --git a/Wrt3g/Config.php b/Wrt3g/Config.php
index f8b9649..a8232df 100644
--- a/Wrt3g/Config.php
+++ b/Wrt3g/Config.php
@@ -80,12 +80,17 @@ class Wrt3g_Config
      */
     public function load($options = array())
     {
+        //system config file
+        $this->loadFromFile('/etc/linksys-wrt3g-tools');
+
+        //user config file
         $file = $this->getConfigFilePath();
         if ($file) {
             $this->loadFromFile($file);
         }
         $this->loadOptions($options);
 
+        //commandline options
         if (isset($options['save'])) {
             $this->save($file);
         }