init of a filesystem checker plugin - not finished, yet

plugins/volume_check_fs/language.hdf

@@ -0,0 +1,31 @@
+Name	= Plugin template
+Link	= Template
+
+Title = This is a plugin template
+
+Text.Example	= Think before you code.
+Text.SecondExample	= And while probably won't hurt!
+
+Help.Example	= This template should help you with starting to write your own plugins. Please take a look in plugin-interfaces.txt for further assistance.
+
+SuccessMessage {
+	TemplateLaunched {
+		Title	= You see ...
+		Text	= an empty example for a plugin.
+	}
+}
+
+WarningMessage {
+	SomeError {
+		Title	= Invalid value
+		Text	= This message will never appear.
+	}
+}
+
+EnvironmentWarning {
+	MissingFoo {
+		Title	= Plugin template warning example
+		Text	= Use this to print some important warnings.
+	}
+}
+

plugins/volume_check_fs/volume_check_fs.py

@@ -0,0 +1,97 @@
+#
+# Copyright 2006-2007 sense.lab e.V.
+# 
+# This file is part of the CryptoBox.
+#
+# The CryptoBox is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+# 
+# The CryptoBox is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with the CryptoBox; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+
+"""This is a plugin for automatic filesystem checks during mount
+
+TODO: the plugin is not implemented, yet!
+
+requires:
+ - e2fsck (debian: e2fsprogs package)
+"""
+
+__revision__ = ""
+
+import cryptobox.plugins.base
+import os
+
+DEFAULT_E2FSCK_BIN = "/sbin/e2fsck"
+
+
+class volume_check_fs(cryptobox.plugins.base.CryptoBoxPlugin):
+    """a template for CryptoBox plugins
+    """
+
+    plugin_capabilities = [ "system" ]
+    #plugin_visibility = [ "preferences" ]
+    # TODO: enable, when the plugin is working
+    plugin_visibility = [ ]
+    request_auth = False
+    rank = 99
+
+    def do_action(self):
+        """The action handler.
+        """
+        # TODO: not implemented, yet
+        return "form_plugin"
+
+
+    def get_status(self):
+        """Retrieve the status of the feature.
+        """
+        if self.__check_e2fsck_availability():
+            return "installed"
+        else:
+            return "missing"
+
+
+    def get_warnings(self):
+        warnings = []
+        if not self.__check_e2fsck_availability():
+            warnings.append((32, "Plugins.%s.MissingProgramE2fsck" \
+                    % self.get_name()))
+        return warnings
+
+
+    def __check_e2fsck_availability(self):
+        """Test if the program e2fsck is installed
+        """
+        if os.access(self.__get_e2fsck_location(), os.X_OK):
+            return True
+        else:
+            self.cbox.log.warn("The recommended program 'e2fsck' is not " \
+                    + "available - please install it!")
+            return False
+
+
+    def __get_e2fsck_location(self):
+        """get the location of the e2fsck binary
+
+        this setting may be changed in cryptobox.conf
+        """
+        if "e2fsck_bin" in self.defaults:
+            return self.defaults["e2fsck_bin"]
+        else:
+            return DEFAULT_E2FSCK_BIN
+
+
+    def __prepare_form_data(self):
+        """Set some hdf values.
+        """
+