2
2
# -*- mode: python; coding: utf-8 -*-
4
# Mandos Monitor - Control and monitor the Mandos server
6
# Copyright © 2009-2011 Teddy Hogeborn
7
# Copyright © 2009-2011 Björn Påhlsson
9
# This program is free software: you can redistribute it and/or modify
10
# it under the terms of the GNU General Public License as published by
11
# the Free Software Foundation, either version 3 of the License, or
12
# (at your option) any later version.
14
# This program is distributed in the hope that it will be useful,
15
# but WITHOUT ANY WARRANTY; without even the implied warranty of
16
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17
# GNU General Public License for more details.
19
# You should have received a copy of the GNU General Public License
20
# along with this program. If not, see <http://www.gnu.org/licenses/>.
22
# Contact the authors at <mandos@fukt.bsnet.se>.
4
from __future__ import division, absolute_import, with_statement
25
from __future__ import division, absolute_import, print_function, unicode_literals
33
61
urwid.curses_display.curses.A_UNDERLINE |= (
34
62
urwid.curses_display.curses.A_BLINK)
64
def isoformat_to_datetime(iso):
65
"Parse an ISO 8601 date string to a datetime.datetime()"
68
d, t = iso.split("T", 1)
69
year, month, day = d.split("-", 2)
70
hour, minute, second = t.split(":", 2)
71
second, fraction = divmod(float(second), 1)
72
return datetime.datetime(int(year),
77
int(second), # Whole seconds
78
int(fraction*1000000)) # Microseconds
36
80
class MandosClientPropertyCache(object):
37
81
"""This wraps a Mandos Client D-Bus proxy object, caches the
38
82
properties and calls a hook function when any of them are
41
def __init__(self, proxy_object=None, properties=None, *args,
85
def __init__(self, proxy_object=None, *args, **kwargs):
43
86
self.proxy = proxy_object # Mandos Client proxy object
45
if properties is None:
46
self.properties = dict()
48
self.properties = properties
49
self.proxy.connect_to_signal(u"PropertyChanged",
88
self.properties = dict()
89
self.proxy.connect_to_signal("PropertyChanged",
50
90
self.property_changed,
54
if properties is None:
55
self.properties.update(self.proxy.GetAll(client_interface,
57
dbus.PROPERTIES_IFACE))
58
super(MandosClientPropertyCache, self).__init__(
59
proxy_object=proxy_object,
60
properties=properties, *args, **kwargs)
94
self.properties.update(
95
self.proxy.GetAll(client_interface,
96
dbus_interface = dbus.PROPERTIES_IFACE))
98
#XXX This break good super behaviour!
99
# super(MandosClientPropertyCache, self).__init__(
62
102
def property_changed(self, property=None, value=None):
63
103
"""This is called whenever we get a PropertyChanged signal
83
123
self.logger = logger
125
self._update_timer_callback_tag = None
126
self._update_timer_callback_lock = 0
127
self.last_checker_failed = False
85
129
# The widget shown normally
86
self._text_widget = urwid.Text(u"")
130
self._text_widget = urwid.Text("")
87
131
# The widget shown when we have focus
88
self._focus_text_widget = urwid.Text(u"")
132
self._focus_text_widget = urwid.Text("")
89
133
super(MandosClientWidget, self).__init__(
90
134
update_hook=update_hook, delete_hook=delete_hook,
93
137
self.opened = False
94
self.proxy.connect_to_signal(u"CheckerCompleted",
139
last_checked_ok = isoformat_to_datetime(self.properties
141
if last_checked_ok is None:
142
self.last_checker_failed = True
144
self.last_checker_failed = ((datetime.datetime.utcnow()
151
if self.last_checker_failed:
152
self.using_timer(True)
154
if self.need_approval:
155
self.using_timer(True)
157
self.proxy.connect_to_signal("CheckerCompleted",
95
158
self.checker_completed,
98
self.proxy.connect_to_signal(u"CheckerStarted",
161
self.proxy.connect_to_signal("CheckerStarted",
99
162
self.checker_started,
100
163
client_interface,
101
164
byte_arrays=True)
102
self.proxy.connect_to_signal(u"GotSecret",
165
self.proxy.connect_to_signal("GotSecret",
104
167
client_interface,
105
168
byte_arrays=True)
106
self.proxy.connect_to_signal(u"Rejected",
169
self.proxy.connect_to_signal("NeedApproval",
173
self.proxy.connect_to_signal("Rejected",
108
175
client_interface,
109
176
byte_arrays=True)
178
def property_changed(self, property=None, value=None):
179
super(self, MandosClientWidget).property_changed(property,
181
if property == "ApprovalPending":
182
using_timer(bool(value))
184
def using_timer(self, flag):
185
"""Call this method with True or False when timer should be
186
activated or deactivated.
188
old = self._update_timer_callback_lock
190
self._update_timer_callback_lock += 1
192
self._update_timer_callback_lock -= 1
193
if old == 0 and self._update_timer_callback_lock:
194
self._update_timer_callback_tag = (gobject.timeout_add
197
elif old and self._update_timer_callback_lock == 0:
198
gobject.source_remove(self._update_timer_callback_tag)
199
self._update_timer_callback_tag = None
111
201
def checker_completed(self, exitstatus, condition, command):
112
202
if exitstatus == 0:
113
self.logger(u'Checker for client %s (command "%s")'
115
% (self.properties[u"name"], command))
203
if self.last_checker_failed:
204
self.last_checker_failed = False
205
self.using_timer(False)
206
#self.logger('Checker for client %s (command "%s")'
208
# % (self.properties["Name"], command))
212
if not self.last_checker_failed:
213
self.last_checker_failed = True
214
self.using_timer(True)
117
215
if os.WIFEXITED(condition):
118
self.logger(u'Checker for client %s (command "%s")'
119
u' failed with exit code %s'
120
% (self.properties[u"name"], command,
216
self.logger('Checker for client %s (command "%s")'
217
' failed with exit code %s'
218
% (self.properties["Name"], command,
121
219
os.WEXITSTATUS(condition)))
123
if os.WIFSIGNALED(condition):
124
self.logger(u'Checker for client %s (command "%s")'
125
u' was killed by signal %s'
126
% (self.properties[u"name"], command,
220
elif os.WIFSIGNALED(condition):
221
self.logger('Checker for client %s (command "%s")'
222
' was killed by signal %s'
223
% (self.properties["Name"], command,
127
224
os.WTERMSIG(condition)))
129
if os.WCOREDUMP(condition):
130
self.logger(u'Checker for client %s (command "%s")'
132
% (self.properties[u"name"], command))
133
self.logger(u'Checker for client %s completed mysteriously')
225
elif os.WCOREDUMP(condition):
226
self.logger('Checker for client %s (command "%s")'
228
% (self.properties["Name"], command))
230
self.logger('Checker for client %s completed'
135
234
def checker_started(self, command):
136
self.logger(u'Client %s started checker "%s"'
137
% (self.properties[u"name"], unicode(command)))
235
#self.logger('Client %s started checker "%s"'
236
# % (self.properties["Name"], unicode(command)))
139
239
def got_secret(self):
140
self.logger(u'Client %s received its secret'
141
% self.properties[u"name"])
144
self.logger(u'Client %s was rejected'
145
% self.properties[u"name"])
240
self.last_checker_failed = False
241
self.logger('Client %s received its secret'
242
% self.properties["Name"])
244
def need_approval(self, timeout, default):
246
message = 'Client %s needs approval within %s seconds'
248
message = 'Client %s will get its secret in %s seconds'
250
% (self.properties["Name"], timeout/1000))
251
self.using_timer(True)
253
def rejected(self, reason):
254
self.logger('Client %s was rejected; reason: %s'
255
% (self.properties["Name"], reason))
147
257
def selectable(self):
148
258
"""Make this a "selectable" widget.
149
259
This overrides the method from urwid.FlowWidget."""
152
def rows(self, (maxcol,), focus=False):
262
def rows(self, maxcolrow, focus=False):
153
263
"""How many rows this widget will occupy might depend on
154
264
whether we have focus or not.
155
265
This overrides the method from urwid.FlowWidget"""
156
return self.current_widget(focus).rows((maxcol,), focus=focus)
266
return self.current_widget(focus).rows(maxcolrow, focus=focus)
158
268
def current_widget(self, focus=False):
159
269
if focus or self.opened:
163
273
def update(self):
164
274
"Called when what is visible on the screen should be updated."
165
275
# How to add standout mode to a style
166
with_standout = { u"normal": u"standout",
167
u"bold": u"bold-standout",
169
u"underline-blink-standout",
170
u"bold-underline-blink":
171
u"bold-underline-blink-standout",
276
with_standout = { "normal": "standout",
277
"bold": "bold-standout",
279
"underline-blink-standout",
280
"bold-underline-blink":
281
"bold-underline-blink-standout",
174
284
# Rebuild focus and non-focus widgets using current properties
175
self._text = (u'%(name)s: %(enabled)s'
176
% { u"name": self.properties[u"name"],
179
if self.properties[u"enabled"]
286
# Base part of a client. Name!
288
% {"name": self.properties["Name"]})
289
if not self.properties["Enabled"]:
291
elif self.properties["ApprovalPending"]:
292
timeout = datetime.timedelta(milliseconds
295
last_approval_request = isoformat_to_datetime(
296
self.properties["LastApprovalRequest"])
297
if last_approval_request is not None:
298
timer = timeout - (datetime.datetime.utcnow()
299
- last_approval_request)
301
timer = datetime.timedelta()
302
if self.properties["ApprovedByDefault"]:
303
message = "Approval in %s. (d)eny?"
305
message = "Denial in %s. (a)pprove?"
306
message = message % unicode(timer).rsplit(".", 1)[0]
307
elif self.last_checker_failed:
308
timeout = datetime.timedelta(milliseconds
311
last_ok = isoformat_to_datetime(
312
max((self.properties["LastCheckedOK"]
313
or self.properties["Created"]),
314
self.properties["LastEnabled"]))
315
timer = timeout - (datetime.datetime.utcnow() - last_ok)
316
message = ('A checker has failed! Time until client'
318
% unicode(timer).rsplit(".", 1)[0])
321
self._text = "%s%s" % (base, message)
181
323
if not urwid.supports_unicode():
182
324
self._text = self._text.encode("ascii", "replace")
183
textlist = [(u"normal", self._text)]
325
textlist = [("normal", self._text)]
184
326
self._text_widget.set_text(textlist)
185
327
self._focus_text_widget.set_text([(with_standout[text[0]],
194
336
if self.update_hook is not None:
195
337
self.update_hook()
339
def update_timer(self):
342
return True # Keep calling this
197
344
def delete(self):
345
if self._update_timer_callback_tag is not None:
346
gobject.source_remove(self._update_timer_callback_tag)
347
self._update_timer_callback_tag = None
198
348
if self.delete_hook is not None:
199
349
self.delete_hook(self)
201
def render(self, (maxcol,), focus=False):
351
def render(self, maxcolrow, focus=False):
202
352
"""Render differently if we have focus.
203
353
This overrides the method from urwid.FlowWidget"""
204
return self.current_widget(focus).render((maxcol,),
354
return self.current_widget(focus).render(maxcolrow,
207
def keypress(self, (maxcol,), key):
357
def keypress(self, maxcolrow, key):
209
359
This overrides the method from urwid.FlowWidget"""
210
if key == u"e" or key == u"+":
212
elif key == u"d" or key == u"-":
214
elif key == u"r" or key == u"_" or key == u"ctrl k":
361
self.proxy.Enable(dbus_interface = client_interface,
364
self.proxy.Disable(dbus_interface = client_interface,
367
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
368
dbus_interface = client_interface,
371
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
372
dbus_interface = client_interface,
374
elif key == "R" or key == "_" or key == "ctrl k":
215
375
self.server_proxy_object.RemoveClient(self.proxy
218
self.proxy.StartChecker()
220
self.proxy.StopChecker()
222
self.proxy.CheckedOK()
379
self.proxy.StartChecker(dbus_interface = client_interface,
382
self.proxy.StopChecker(dbus_interface = client_interface,
385
self.proxy.CheckedOK(dbus_interface = client_interface,
224
# elif key == u"p" or key == "=":
388
# elif key == "p" or key == "=":
225
389
# self.proxy.pause()
226
# elif key == u"u" or key == ":":
390
# elif key == "u" or key == ":":
227
391
# self.proxy.unpause()
228
# elif key == u"RET":
264
428
self.screen = urwid.curses_display.Screen()
266
430
self.screen.register_palette((
268
u"default", u"default", None),
270
u"default", u"default", u"bold"),
272
u"default", u"default", u"underline"),
274
u"default", u"default", u"standout"),
275
(u"bold-underline-blink",
276
u"default", u"default", (u"bold", u"underline")),
278
u"default", u"default", (u"bold", u"standout")),
279
(u"underline-blink-standout",
280
u"default", u"default", (u"underline", u"standout")),
281
(u"bold-underline-blink-standout",
282
u"default", u"default", (u"bold", u"underline",
432
"default", "default", None),
434
"default", "default", "bold"),
436
"default", "default", "underline"),
438
"default", "default", "standout"),
439
("bold-underline-blink",
440
"default", "default", ("bold", "underline")),
442
"default", "default", ("bold", "standout")),
443
("underline-blink-standout",
444
"default", "default", ("underline", "standout")),
445
("bold-underline-blink-standout",
446
"default", "default", ("bold", "underline",
286
450
if urwid.supports_unicode():
287
self.divider = u"─" # \u2500
288
#self.divider = u"━" # \u2501
451
self.divider = "─" # \u2500
452
#self.divider = "━" # \u2501
290
#self.divider = u"-" # \u002d
291
self.divider = u"_" # \u005f
454
#self.divider = "-" # \u002d
455
self.divider = "_" # \u005f
293
457
self.screen.start()
391
558
and len(self.log) > self.max_log_length):
392
559
del self.log[0:len(self.log)-self.max_log_length-1]
393
560
self.logbox.set_focus(len(self.logbox.body.contents),
394
coming_from=u"above")
397
564
def toggle_log_display(self):
398
565
"""Toggle visibility of the log buffer."""
399
566
self.log_visible = not self.log_visible
401
self.log_message(u"Log visibility changed to: "
402
+ unicode(self.log_visible))
568
#self.log_message("Log visibility changed to: "
569
# + unicode(self.log_visible))
404
571
def change_log_display(self):
405
572
"""Change type of log display.
406
573
Currently, this toggles wrapping of text lines."""
407
if self.log_wrap == u"clip":
408
self.log_wrap = u"any"
574
if self.log_wrap == "clip":
575
self.log_wrap = "any"
410
self.log_wrap = u"clip"
577
self.log_wrap = "clip"
411
578
for textwidget in self.log:
412
579
textwidget.set_wrap_mode(self.log_wrap)
413
self.log_message(u"Wrap mode: " + self.log_wrap)
580
#self.log_message("Wrap mode: " + self.log_wrap)
415
582
def find_and_remove_client(self, path, name):
416
583
"""Find an client from its object path and remove it.
495
663
except KeyError: # :-)
498
if key == u"q" or key == u"Q":
666
if key == "q" or key == "Q":
501
elif key == u"window resize":
669
elif key == "window resize":
502
670
self.size = self.screen.get_cols_rows()
504
elif key == u"\f": # Ctrl-L
672
elif key == "\f": # Ctrl-L
506
elif key == u"l" or key == u"D":
674
elif key == "l" or key == "D":
507
675
self.toggle_log_display()
509
elif key == u"w" or key == u"i":
677
elif key == "w" or key == "i":
510
678
self.change_log_display()
512
elif key == u"?" or key == u"f1" or key == u"esc":
680
elif key == "?" or key == "f1" or key == "esc":
513
681
if not self.log_visible:
514
682
self.log_visible = True
516
self.log_message_raw((u"bold",
520
u"l: Log window toggle",
521
u"TAB: Switch window",
523
self.log_message_raw((u"bold",
529
u"s: Start new checker",
684
self.log_message_raw(("bold",
688
"l: Log window toggle",
689
"TAB: Switch window",
691
self.log_message_raw(("bold",
697
"s: Start new checker",
534
704
if self.topwidget.get_focus() is self.logbox:
535
705
self.topwidget.set_focus(0)
537
707
self.topwidget.set_focus(self.logbox)
539
#elif (key == u"end" or key == u"meta >" or key == u"G"
709
#elif (key == "end" or key == "meta >" or key == "G"
541
711
# pass # xxx end-of-buffer
542
#elif (key == u"home" or key == u"meta <" or key == u"g"
712
#elif (key == "home" or key == "meta <" or key == "g"
544
714
# pass # xxx beginning-of-buffer
545
#elif key == u"ctrl e" or key == u"$":
715
#elif key == "ctrl e" or key == "$":
546
716
# pass # xxx move-end-of-line
547
#elif key == u"ctrl a" or key == u"^":
717
#elif key == "ctrl a" or key == "^":
548
718
# pass # xxx move-beginning-of-line
549
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
719
#elif key == "ctrl b" or key == "meta (" or key == "h":
550
720
# pass # xxx left
551
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
721
#elif key == "ctrl f" or key == "meta )" or key == "l":
552
722
# pass # xxx right
554
724
# pass # scroll up log
556
726
# pass # scroll down log
557
727
elif self.topwidget.selectable():
558
728
self.topwidget.keypress(self.size, key)