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mandos-monitor
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locale.setlocale(locale.LC_ALL, u'')
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import logging
 
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
 
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# Some useful constants
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domain = 'se.bsnet.fukt'
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server_interface = domain + '.Mandos'
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client_interface = domain + '.Mandos.Client'
30
 
version = "1.0.14"
 
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version = "1.0.15"
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# Always run in monochrome mode
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urwid.curses_display.curses.has_colors = lambda : False
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urwid.curses_display.curses.A_UNDERLINE |= (
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    urwid.curses_display.curses.A_BLINK)
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def isoformat_to_datetime(iso):
 
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    "Parse an ISO 8601 date string to a datetime.datetime()"
 
45
    if not iso:
 
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        return None
 
47
    d, t = iso.split(u"T", 1)
 
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    year, month, day = d.split(u"-", 2)
 
49
    hour, minute, second = t.split(u":", 2)
 
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    second, fraction = divmod(float(second), 1)
 
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    return datetime.datetime(int(year),
 
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                             int(month),
 
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                             int(day),
 
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                             int(hour),
 
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                             int(minute),
 
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                             int(second),           # Whole seconds
 
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                             int(fraction*1000000)) # Microseconds
 
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class MandosClientPropertyCache(object):
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    """This wraps a Mandos Client D-Bus proxy object, caches the
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    properties and calls a hook function when any of them are
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                                     self.property_changed,
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                                     client_interface,
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                                     byte_arrays=True)
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72
        
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        self.properties.update(
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            self.proxy.GetAll(client_interface,
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                              dbus_interface = dbus.PROPERTIES_IFACE))
57
 
        super(MandosClientPropertyCache, self).__init__(
58
 
            proxy_object=proxy_object, *args, **kwargs)
 
76
 
 
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        #XXX This break good super behaviour!
 
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#        super(MandosClientPropertyCache, self).__init__(
 
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#            *args, **kwargs)
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    def property_changed(self, property=None, value=None):
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        """This is called whenever we get a PropertyChanged signal
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        # Logger
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        self.logger = logger
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        self._update_timer_callback_tag = None
 
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        self.last_checker_failed = False
 
106
        
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        # The widget shown normally
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        self._text_widget = urwid.Text(u"")
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        # The widget shown when we have focus
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                                     self.got_secret,
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                                     client_interface,
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                                     byte_arrays=True)
 
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        self.proxy.connect_to_signal(u"NeedApproval",
 
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                                     self.need_approval,
 
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                                     client_interface,
 
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                                     byte_arrays=True)
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        self.proxy.connect_to_signal(u"Rejected",
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                                     self.rejected,
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                                     client_interface,
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                                     byte_arrays=True)
 
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        last_checked_ok = isoformat_to_datetime(self.properties
 
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                                                ["last_checked_ok"])
 
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        if last_checked_ok is None:
 
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            self.last_checker_failed = True
 
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        else:
 
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            self.last_checker_failed = ((datetime.datetime.utcnow()
 
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                                         - last_checked_ok)
 
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                                        > datetime.timedelta
 
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                                        (milliseconds=
 
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                                         self.properties["interval"]))
 
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        if self.last_checker_failed:
 
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            self._update_timer_callback_tag = (gobject.timeout_add
 
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                                               (1000,
 
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                                                self.update_timer))
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    def checker_completed(self, exitstatus, condition, command):
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        if exitstatus == 0:
 
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            if self.last_checker_failed:
 
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                self.last_checker_failed = False
 
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                gobject.source_remove(self._update_timer_callback_tag)
 
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                self._update_timer_callback_tag = None
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            self.logger(u'Checker for client %s (command "%s")'
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                        u' was successful'
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                        % (self.properties[u"name"], command))
 
160
            self.update()
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            return
 
162
        # Checker failed
 
163
        if not self.last_checker_failed:
 
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            self.last_checker_failed = True
 
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            self._update_timer_callback_tag = (gobject.timeout_add
 
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                                               (1000,
 
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                                                self.update_timer))
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        if os.WIFEXITED(condition):
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            self.logger(u'Checker for client %s (command "%s")'
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                        u' failed with exit code %s'
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                        % (self.properties[u"name"], command,
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                           os.WEXITSTATUS(condition)))
120
 
            return
121
 
        if os.WIFSIGNALED(condition):
 
173
        elif os.WIFSIGNALED(condition):
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            self.logger(u'Checker for client %s (command "%s")'
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                        u' was killed by signal %s'
124
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                        % (self.properties[u"name"], command,
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                           os.WTERMSIG(condition)))
126
 
            return
127
 
        if os.WCOREDUMP(condition):
 
178
        elif os.WCOREDUMP(condition):
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            self.logger(u'Checker for client %s (command "%s")'
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                        u' dumped core'
130
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                        % (self.properties[u"name"], command))
131
 
        self.logger(u'Checker for client %s completed mysteriously')
 
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        else:
 
183
            self.logger(u'Checker for client %s completed mysteriously')
 
184
        self.update()
132
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    def checker_started(self, command):
134
 
        self.logger(u'Client %s started checker "%s"'
135
 
                    % (self.properties[u"name"], unicode(command)))
 
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        #self.logger(u'Client %s started checker "%s"'
 
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        #            % (self.properties[u"name"], unicode(command)))
 
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        pass
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    def got_secret(self):
 
192
        self.last_checker_failed = False
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        self.logger(u'Client %s received its secret'
139
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                    % self.properties[u"name"])
140
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141
 
    def rejected(self):
142
 
        self.logger(u'Client %s was rejected'
143
 
                    % self.properties[u"name"])
 
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    def need_approval(self, timeout, default):
 
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        if not default:
 
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            message = u'Client %s needs approval within %s seconds'
 
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        else:
 
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            message = u'Client %s will get its secret in %s seconds'
 
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        self.logger(message
 
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                    % (self.properties[u"name"], timeout/1000))
 
203
    
 
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    def rejected(self, reason):
 
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        self.logger(u'Client %s was rejected; reason: %s'
 
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                    % (self.properties[u"name"], reason))
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    def selectable(self):
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        """Make this a "selectable" widget.
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                          u"bold-underline-blink":
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                              u"bold-underline-blink-standout",
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                          }
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        # Rebuild focus and non-focus widgets using current properties
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        self._text = (u'%(name)s: %(enabled)s'
174
 
                      % { u"name": self.properties[u"name"],
175
 
                          u"enabled":
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                              (u"enabled"
177
 
                               if self.properties[u"enabled"]
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                               else u"DISABLED")})
 
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        # Base part of a client. Name!
 
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        base = (u'%(name)s: '
 
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                      % {u"name": self.properties[u"name"]})
 
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        if not self.properties[u"enabled"]:
 
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            message = u"DISABLED"
 
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        elif self.properties[u"approved_pending"]:
 
243
            if self.properties[u"approved_by_default"]:
 
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                message = u"Connection established to client. (d)eny?"
 
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            else:
 
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                message = u"Seeks approval to send secret. (a)pprove?"
 
247
        elif self.last_checker_failed:
 
248
            timeout = datetime.timedelta(milliseconds
 
249
                                         = self.properties[u"timeout"])
 
250
            last_ok = isoformat_to_datetime(
 
251
                max((self.properties["last_checked_ok"]
 
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                     or self.properties["created"]),
 
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                    self.properties[u"last_enabled"]))
 
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            timer = timeout - (datetime.datetime.utcnow() - last_ok)
 
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            message = (u'A checker has failed! Time until client gets diabled: %s'
 
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                           % unicode(timer).rsplit(".", 1)[0])
 
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        else:
 
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            message = u"enabled"
 
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        self._text = "%s%s" % (base, message)
 
260
            
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        if not urwid.supports_unicode():
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            self._text = self._text.encode("ascii", "replace")
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        textlist = [(u"normal", self._text)]
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        if self.update_hook is not None:
193
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            self.update_hook()
194
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277
    def update_timer(self):
 
278
        "called by gobject"
 
279
        self.update()
 
280
        return True             # Keep calling this
 
281
    
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    def delete(self):
 
283
        if self._update_timer_callback_tag is not None:
 
284
            gobject.source_remove(self._update_timer_callback_tag)
 
285
            self._update_timer_callback_tag = None
196
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        if self.delete_hook is not None:
197
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            self.delete_hook(self)
198
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205
295
    def keypress(self, (maxcol,), key):
206
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        """Handle keys.
207
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        This overrides the method from urwid.FlowWidget"""
208
 
        if key == u"e" or key == u"+":
209
 
            self.proxy.Enable()
210
 
        elif key == u"d" or key == u"-":
211
 
            self.proxy.Disable()
 
298
        if key == u"+":
 
299
            self.proxy.Enable(dbus_interface = client_interface)
 
300
        elif key == u"-":
 
301
            self.proxy.Disable(dbus_interface = client_interface)
 
302
        elif key == u"a":
 
303
            self.proxy.Approve(dbus.Boolean(True, variant_level=1),
 
304
                               dbus_interface = client_interface)
 
305
        elif key == u"d":
 
306
            self.proxy.Approve(dbus.Boolean(False, variant_level=1),
 
307
                                  dbus_interface = client_interface)
212
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        elif key == u"r" or key == u"_" or key == u"ctrl k":
213
309
            self.server_proxy_object.RemoveClient(self.proxy
214
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                                                  .object_path)
215
311
        elif key == u"s":
216
 
            self.proxy.StartChecker()
 
312
            self.proxy.StartChecker(dbus_interface = client_interface)
217
313
        elif key == u"S":
218
 
            self.proxy.StopChecker()
 
314
            self.proxy.StopChecker(dbus_interface = client_interface)
219
315
        elif key == u"C":
220
 
            self.proxy.CheckedOK()
 
316
            self.proxy.CheckedOK(dbus_interface = client_interface)
221
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        # xxx
222
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#         elif key == u"p" or key == "=":
223
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#             self.proxy.pause()
225
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#             self.proxy.unpause()
226
322
#         elif key == u"RET":
227
323
#             self.open()
 
324
#        elif key == u"+":
 
325
#            self.proxy.Approve(True)
 
326
#        elif key == u"-":
 
327
#            self.proxy.Approve(False)
228
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        else:
229
329
            return key
230
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522
622
                self.log_message_raw((u"bold",
523
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                                      u"  "
524
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                                      .join((u"Clients:",
525
 
                                             u"e: Enable",
526
 
                                             u"d: Disable",
 
625
                                             u"+: Enable",
 
626
                                             u"-: Disable",
527
627
                                             u"r: Remove",
528
628
                                             u"s: Start new checker",
529
629
                                             u"S: Stop checker",
530
 
                                             u"C: Checker OK"))))
 
630
                                             u"C: Checker OK",
 
631
                                             u"a: Approve",
 
632
                                             u"d: Deny"))))
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                self.refresh()
532
634
            elif key == u"tab":
533
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                if self.topwidget.get_focus() is self.logbox:
561
663
ui = UserInterface()
562
664
try:
563
665
    ui.run()
 
666
except KeyboardInterrupt:
 
667
    ui.screen.stop()
564
668
except Exception, e:
565
669
    ui.log_message(unicode(e))
566
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    ui.screen.stop()