- added options to use syslog instead of log file (#1484850)

- added Logging & Debugging section in Installer
- fixed config from $_POST for next installer steps saving
- fixed and re-enabled debug_level setting in installer

4 files changed, 34 insertions, 10 deletions

diff --git a/program/include/bugs.inc b/program/include/bugs.inc
index 78808c321..3cd853478 100644
--- a/program/include/bugs.inc
+++ b/program/include/bugs.inc
@@ -84,8 +84,13 @@ function log_bug($arg_arr)
       $CONFIG['log_dir'] = INSTALL_PATH.'logs';
       
     // try to open specific log file for writing
-    if ($fp = @fopen($CONFIG['log_dir'].'/errors', 'a'))
+    if ($CONFIG['log_driver'] == 'syslog')
     {
+      syslog(LOG_ERR, $log_entry);
+    }
+    else if ($fp = @fopen($CONFIG['log_dir'].'/errors', 'a'))
+    {
+      // log_driver == 'file' is the default, assumed here.
       fwrite($fp, $log_entry);
       fclose($fp);
     }
diff --git a/program/include/main.inc b/program/include/main.inc
index d79bd01d2..2b4797873 100644
--- a/program/include/main.inc
+++ b/program/include/main.inc
@@ -828,16 +828,24 @@ function write_log($name, $line)
                  date("d-M-Y H:i:s O", mktime()),
                  $line);
                  
-  if (empty($CONFIG['log_dir']))
-    $CONFIG['log_dir'] = INSTALL_PATH.'logs';
+  if ($CONFIG['log_driver'] == 'syslog') {
+    if ($name == 'errors')
+      $prio = LOG_ERR;
+    else
+      $prio = LOG_INFO;
+    syslog($prio, $log_entry);
+  } else {
+    // log_driver == 'file' is assumed here
+    if (empty($CONFIG['log_dir']))
+      $CONFIG['log_dir'] = INSTALL_PATH.'logs';
       
-  // try to open specific log file for writing
-  if ($fp = @fopen($CONFIG['log_dir'].'/'.$name, 'a'))    
-    {
-    fwrite($fp, $log_entry);
-    fclose($fp);
+    // try to open specific log file for writing
+    if ($fp = @fopen($CONFIG['log_dir'].'/'.$name, 'a')) {
+      fwrite($fp, $log_entry);
+      fclose($fp);
     }
   }
+}
 
 
 /**
diff --git a/program/include/rcmail.php b/program/include/rcmail.php
index 8a061beb9..00dca6ea6 100644
--- a/program/include/rcmail.php
+++ b/program/include/rcmail.php
@@ -82,6 +82,13 @@ class rcmail
   {
     $config_all = $this->config->all();
 
+    // initialize syslog
+    if ($this->config->get('log_driver') == 'syslog') {
+      $syslog_id = $this->config->get('syslog_id', 'roundcube');
+      $syslog_facility = $this->config->get('syslog_facility', LOG_USER);
+      openlog($syslog_id, LOG_ODELAY, $syslog_facility);
+    }
+    				
     // set task and action properties
     $this->set_task(strip_quotes(get_input_value('_task', RCUBE_INPUT_GPC)));
     $this->action = asciiwords(get_input_value('_action', RCUBE_INPUT_GPC));
@@ -111,7 +118,6 @@ class rcmail
       $_SESSION['temp'] = true;
     }
 
-
     // create user object
     $this->set_user(new rcube_user($_SESSION['user_id']));
 
diff --git a/program/include/rcube_config.php b/program/include/rcube_config.php
index db53fe7e1..43f735ba9 100644
--- a/program/include/rcube_config.php
+++ b/program/include/rcube_config.php
@@ -82,7 +82,12 @@ class rcube_config
     // set PHP error logging according to config
     if ($this->prop['debug_level'] & 1) {
       ini_set('log_errors', 1);
-      ini_set('error_log', $this->prop['log_dir'] . '/errors');
+
+      if ($this->prop['log_driver'] == 'syslog') {
+	ini_set('error_log', 'syslog');
+      } else {
+	ini_set('error_log', $this->prop['log_dir'].'/errors');
+      }
     }
     if ($this->prop['debug_level'] & 4) {
       ini_set('display_errors', 1);