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  • Committer: Teddy Hogeborn
  • Date: 2014-07-15 23:52:00 UTC
  • Revision ID: teddy@recompile.se-20140715235200-4dukd7i2tvbcix61
mandos-client: Bug Fix: Fix some memory leaks.

* plugins.d/mandos-client.c (resolve_callback): Always free resolver.
  (run_network_hooks): Free the individual direntries.
  (main): When listing network interfaces and when removing the GPGME
          temp directory, free the individual direntries.

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Lines of Context:
mandos-monitor
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# 
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# Mandos Monitor - Control and monitor the Mandos server
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# 
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# Copyright © 2009-2012 Teddy Hogeborn
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# Copyright © 2009-2012 Björn Påhlsson
 
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# Copyright © 2009-2014 Teddy Hogeborn
 
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# Copyright © 2009-2014 Björn Påhlsson
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# 
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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26
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from __future__ import (division, absolute_import, print_function,
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                        unicode_literals)
28
 
 
29
 
from future_builtins import *
 
28
try:
 
29
    from future_builtins import *
 
30
except ImportError:
 
31
    pass
30
32
 
31
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import sys
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import os
33
 
import signal
34
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import datetime
36
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38
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import urwid
39
40
 
40
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from dbus.mainloop.glib import DBusGMainLoop
41
 
import gobject
 
42
try:
 
43
    import gobject
 
44
except ImportError:
 
45
    from gi.repository import GObject as gobject
42
46
 
43
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import dbus
44
48
 
45
 
import UserList
46
 
 
47
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import locale
48
50
 
 
51
if sys.version_info[0] == 2:
 
52
    str = unicode
 
53
 
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locale.setlocale(locale.LC_ALL, '')
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51
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import logging
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domain = 'se.recompile'
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server_interface = domain + '.Mandos'
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client_interface = domain + '.Mandos.Client'
58
 
version = "1.5.3"
59
 
 
60
 
# Always run in monochrome mode
61
 
urwid.curses_display.curses.has_colors = lambda : False
62
 
 
63
 
# Urwid doesn't support blinking, but we want it.  Since we have no
64
 
# use for underline on its own, we make underline also always blink.
65
 
urwid.curses_display.curses.A_UNDERLINE |= (
66
 
    urwid.curses_display.curses.A_BLINK)
 
63
version = "1.6.6"
67
64
 
68
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def isoformat_to_datetime(iso):
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    "Parse an ISO 8601 date string to a datetime.datetime()"
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                                         self.rejected,
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                                         client_interface,
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                                         byte_arrays=True))
167
 
        #self.logger('Created client {0}'
168
 
        #            .format(self.properties["Name"]))
 
164
        self.logger('Created client {0}'
 
165
                    .format(self.properties["Name"]), level=0)
169
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    def using_timer(self, flag):
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        """Call this method with True or False when timer should be
182
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    def checker_completed(self, exitstatus, condition, command):
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        if exitstatus == 0:
 
182
            self.logger('Checker for client {0} (command "{1}")'
 
183
                        ' succeeded'.format(self.properties["Name"],
 
184
                                            command), level=0)
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            self.update()
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            return
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        # Checker failed
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        self.update()
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    def checker_started(self, command):
209
 
        """Server signals that a checker started. This could be useful
210
 
           to log in the future. """
211
 
        #self.logger('Client {0} started checker "{1}"'
212
 
        #            .format(self.properties["Name"],
213
 
        #                    unicode(command)))
214
 
        pass
 
209
        """Server signals that a checker started."""
 
210
        self.logger('Client {0} started checker "{1}"'
 
211
                    .format(self.properties["Name"],
 
212
                            command), level=0)
215
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    def got_secret(self):
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        self.logger('Client {0} received its secret'
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                message = "Approval in {0}. (d)eny?"
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            else:
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                message = "Denial in {0}. (a)pprove?"
282
 
            message = message.format(unicode(timer).rsplit(".", 1)[0])
 
280
            message = message.format(str(timer).rsplit(".", 1)[0])
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            self.using_timer(True)
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        elif self.properties["LastCheckerStatus"] != 0:
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            # When checker has failed, show timer until client expires
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                            datetime.timedelta())
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            message = ('A checker has failed! Time until client'
295
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                       ' gets disabled: {0}'
296
 
                       .format(unicode(timer).rsplit(".", 1)[0]))
 
294
                       .format(str(timer).rsplit(".", 1)[0]))
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            self.using_timer(True)
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        else:
299
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            message = "enabled"
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    def property_changed(self, property=None, **kwargs):
383
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        """Call self.update() if old value is not new value.
384
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        This overrides the method from MandosClientPropertyCache"""
385
 
        property_name = unicode(property)
 
383
        property_name = str(property)
386
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        old_value = self.properties.get(property_name)
387
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        super(MandosClientWidget, self).property_changed(
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            property=property, **kwargs)
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    """This is the entire user interface - the whole screen
407
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    with boxes, lists of client widgets, etc.
408
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    """
409
 
    def __init__(self, max_log_length=1000):
 
407
    def __init__(self, max_log_length=1000, log_level=1):
410
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        DBusGMainLoop(set_as_default=True)
411
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        self.screen = urwid.curses_display.Screen()
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                ("normal",
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                 "default", "default", None),
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                ("bold",
418
 
                 "default", "default", "bold"),
 
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                 "bold", "default", "bold"),
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                ("underline-blink",
420
 
                 "default", "default", "underline"),
 
418
                 "underline,blink", "default", "underline,blink"),
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                ("standout",
422
 
                 "default", "default", "standout"),
 
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                 "standout", "default", "standout"),
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                ("bold-underline-blink",
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                 "default", "default", ("bold", "underline")),
 
422
                 "bold,underline,blink", "default", "bold,underline,blink"),
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                ("bold-standout",
426
 
                 "default", "default", ("bold", "standout")),
 
424
                 "bold,standout", "default", "bold,standout"),
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                ("underline-blink-standout",
428
 
                 "default", "default", ("underline", "standout")),
 
426
                 "underline,blink,standout", "default",
 
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                 "underline,blink,standout"),
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                ("bold-underline-blink-standout",
430
 
                 "default", "default", ("bold", "underline",
431
 
                                          "standout")),
 
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                 "bold,underline,blink,standout", "default",
 
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                 "bold,underline,blink,standout"),
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                ))
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        if urwid.supports_unicode():
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        self.log = []
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        self.max_log_length = max_log_length
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451
        self.log_level = log_level
 
452
        
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        # We keep a reference to the log widget so we can remove it
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        # from the ListWalker without it getting destroyed
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        self.logbox = ConstrainedListBox(self.log)
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            self.uilist.append(self.logbox)
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        self.topwidget = urwid.Pile(self.uilist)
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491
 
    def log_message(self, message):
 
492
    def log_message(self, message, level=1):
 
493
        """Log message formatted with timestamp"""
 
494
        if level < self.log_level:
 
495
            return
492
496
        timestamp = datetime.datetime.now().isoformat()
493
 
        self.log_message_raw(timestamp + ": " + message)
 
497
        self.log_message_raw("{0}: {1}".format(timestamp, message),
 
498
                             level=level)
494
499
    
495
 
    def log_message_raw(self, markup):
 
500
    def log_message_raw(self, markup, level=1):
496
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        """Add a log message to the log buffer."""
 
502
        if level < self.log_level:
 
503
            return
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        self.log.append(urwid.Text(markup, wrap=self.log_wrap))
498
505
        if (self.max_log_length
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            and len(self.log) > self.max_log_length):
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        """Toggle visibility of the log buffer."""
507
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        self.log_visible = not self.log_visible
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        self.rebuild()
509
 
        #self.log_message("Log visibility changed to: "
510
 
        #                 + unicode(self.log_visible))
 
516
        self.log_message("Log visibility changed to: {0}"
 
517
                         .format(self.log_visible), level=0)
511
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512
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    def change_log_display(self):
513
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        """Change type of log display.
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            self.log_wrap = "clip"
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526
        for textwidget in self.log:
520
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            textwidget.set_wrap_mode(self.log_wrap)
521
 
        #self.log_message("Wrap mode: " + self.log_wrap)
 
528
        self.log_message("Wrap mode: {0}".format(self.log_wrap),
 
529
                         level=0)
522
530
    
523
531
    def find_and_remove_client(self, path, name):
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        """Find a client by its object path and remove it.
553
561
        if path is None:
554
562
            path = client.proxy.object_path
555
563
        self.clients_dict[path] = client
556
 
        self.clients.sort(None, lambda c: c.properties["Name"])
 
564
        self.clients.sort(key=lambda c: c.properties["Name"])
557
565
        self.refresh()
558
566
    
559
567
    def remove_client(self, client, path=None):
561
569
        if path is None:
562
570
            path = client.proxy.object_path
563
571
        del self.clients_dict[path]
564
 
        if not self.clients_dict:
565
 
            # Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
566
 
            # is completely emptied, we need to recreate it.
567
 
            self.clients = urwid.SimpleListWalker([])
568
 
            self.rebuild()
569
572
        self.refresh()
570
573
    
571
574
    def refresh(self):
584
587
        try:
585
588
            mandos_clients = (self.mandos_serv
586
589
                              .GetAllClientsWithProperties())
 
590
            if not mandos_clients:
 
591
                self.log_message_raw(("bold", "Note: Server has no clients."))
587
592
        except dbus.exceptions.DBusException:
 
593
            self.log_message_raw(("bold", "Note: No Mandos server running."))
588
594
            mandos_clients = dbus.Dictionary()
589
595
        
590
596
        (self.mandos_serv
602
608
                            self.client_not_found,
603
609
                            dbus_interface=server_interface,
604
610
                            byte_arrays=True))
605
 
        for path, client in mandos_clients.iteritems():
 
611
        for path, client in mandos_clients.items():
606
612
            client_proxy_object = self.bus.get_object(self.busname,
607
613
                                                      path)
608
614
            self.add_client(MandosClientWidget(server_proxy_object
673
679
                                            "?: Help",
674
680
                                            "l: Log window toggle",
675
681
                                            "TAB: Switch window",
676
 
                                            "w: Wrap (log)"))))
 
682
                                            "w: Wrap (log lines)",
 
683
                                            "v: Toggle verbose log",
 
684
                                            ))))
677
685
                self.log_message_raw(("bold",
678
686
                                      "  "
679
687
                                      .join(("Clients:",
692
700
                else:
693
701
                    self.topwidget.set_focus(self.logbox)
694
702
                self.refresh()
 
703
            elif key == "v":
 
704
                if self.log_level == 0:
 
705
                    self.log_level = 1
 
706
                    self.log_message("Verbose mode: Off")
 
707
                else:
 
708
                    self.log_level = 0
 
709
                    self.log_message("Verbose mode: On")
695
710
            #elif (key == "end" or key == "meta >" or key == "G"
696
711
            #      or key == ">"):
697
712
            #    pass            # xxx end-of-buffer
720
735
    ui.run()
721
736
except KeyboardInterrupt:
722
737
    ui.screen.stop()
723
 
except Exception, e:
724
 
    ui.log_message(unicode(e))
 
738
except Exception as e:
 
739
    ui.log_message(str(e))
725
740
    ui.screen.stop()
726
741
    raise