Remove any non-printable characters from the logging.processname

lib/SimpleSAML/Logger/ErrorLogLoggingHandler.php

@@ -45,7 +45,8 @@ class ErrorLogLoggingHandler implements LoggingHandlerInterface
      */
     public function __construct(Configuration $config)
     {
-        $this->processname = $config->getString('logging.processname', 'SimpleSAMLphp');
+        // Remove any non-printable characters before storing
+        $this->processname = preg_replace('/[\x00-\x1F\x7F\xA0]/u', '', $config->getString('logging.processname', 'SimpleSAMLphp'));
     }
 
 

lib/SimpleSAML/Logger/FileLoggingHandler.php

@@ -55,7 +55,9 @@ class FileLoggingHandler implements LoggingHandlerInterface
         // get the metadata handler option from the configuration
         $this->logFile = $config->getPathValue('loggingdir', 'log/') .
             $config->getString('logging.logfile', 'simplesamlphp.log');
-        $this->processname = $config->getString('logging.processname', 'SimpleSAMLphp');
+
+        // Remove any non-printable characters before storing
+        $this->processname = preg_replace('/[\x00-\x1F\x7F\xA0]/u', '', $config->getString('logging.processname', 'SimpleSAMLphp'));
 
         if (@file_exists($this->logFile)) {
             if (!@is_writeable($this->logFile)) {

lib/SimpleSAML/Logger/StandardErrorLoggingHandler.php

@@ -22,7 +22,8 @@ class StandardErrorLoggingHandler extends FileLoggingHandler
      */
     public function __construct(Configuration $config)
     {
-        $this->processname = $config->getString('logging.processname', 'SimpleSAMLphp');
+        // Remove any non-printable characters before storing
+        $this->processname = preg_replace('/[\x00-\x1F\x7F\xA0]/u', '', $config->getString('logging.processname', 'SimpleSAMLphp'));
         $this->logFile = 'php://stderr';
     }
 }

lib/SimpleSAML/Logger/SyslogLoggingHandler.php

@@ -29,7 +29,8 @@ class SyslogLoggingHandler implements LoggingHandlerInterface
     {
         $facility = $config->getInteger('logging.facility', defined('LOG_LOCAL5') ? constant('LOG_LOCAL5') : LOG_USER);
 
-        $processname = $config->getString('logging.processname', 'SimpleSAMLphp');
+        // Remove any non-printable characters before storing
+        $processname = preg_replace('/[\x00-\x1F\x7F\xA0]/u', '', $config->getString('logging.processname', 'SimpleSAMLphp'));
 
         // Setting facility to LOG_USER (only valid in Windows), enable log level rewrite on windows systems
         if (Utils\System::getOS() === Utils\System::WINDOWS) {