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- Committer: Teddy Hogeborn
- Date: 2016-08-25 17:06:42 UTC
- mto: (237.7.594 trunk)
- mto: This revision was merged to the branch mainline in revision 350.
- Revision ID: teddy@recompile.se-20160825170642-n4ough8ql1145zak
PEP8 compliance: mandos-monitor
* mandos-monitor: Add PEP8 compliance (as per the "pycodestyle" tool).
* mandos-monitor: Add PEP8 compliance (as per the "pycodestyle" tool).
- files added:
- DBUS-API
- debian/source
- debian/upstream
- network-hooks.d
- plugin-helpers
- files modified:
- .bzrignore
added
removed
mandos-monitor
1
1
#!/usr/bin/python
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2
# -*- mode: python; coding: utf-8 -*-
3
#
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# Mandos Monitor - Control and monitor the Mandos server
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#
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# Copyright © 2009-2016 Teddy Hogeborn
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# Copyright © 2009-2016 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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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see
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# <http://www.gnu.org/licenses/>.
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#
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# Contact the authors at <mandos@recompile.se>.
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#
3
25
4
from __future__ import division, absolute_import, with_statement
26
from __future__ import (division, absolute_import, print_function,
27
unicode_literals)
28
try:
29
from future_builtins import *
30
except ImportError:
31
pass
5
32
6
33
import sys
7
34
import os
8
import signal
9
35
10
36
import datetime
11
37
13
39
import urwid
14
40
15
41
from dbus.mainloop.glib import DBusGMainLoop
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import gobject
42
from gi.repository import GLib
17
43
18
44
import dbus
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45
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import UserList
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22
46
import locale
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47
24
locale.setlocale(locale.LC_ALL, u'')
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26
48
import logging
49
50
if sys.version_info.major == 2:
51
str = unicode
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53
locale.setlocale(locale.LC_ALL, '')
54
27
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logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)
28
56
29
57
# Some useful constants
30
domain = 'se.bsnet.fukt'
58
domain = 'se.recompile'
31
59
server_interface = domain + '.Mandos'
32
60
client_interface = domain + '.Mandos.Client'
33
version = "1.0.15"
34
35
# Always run in monochrome mode
36
urwid.curses_display.curses.has_colors = lambda : False
37
38
# Urwid doesn't support blinking, but we want it. Since we have no
39
# use for underline on its own, we make underline also always blink.
40
urwid.curses_display.curses.A_UNDERLINE |= (
41
urwid.curses_display.curses.A_BLINK)
61
version = "1.7.10"
62
63
try:
64
dbus.OBJECT_MANAGER_IFACE
65
except AttributeError:
66
dbus.OBJECT_MANAGER_IFACE = "org.freedesktop.DBus.ObjectManager"
67
42
68
43
69
def isoformat_to_datetime(iso):
44
70
"Parse an ISO 8601 date string to a datetime.datetime()"
45
71
if not iso:
46
72
return None
47
d, t = iso.split(u"T", 1)
48
year, month, day = d.split(u"-", 2)
49
hour, minute, second = t.split(u":", 2)
73
d, t = iso.split("T", 1)
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year, month, day = d.split("-", 2)
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hour, minute, second = t.split(":", 2)
50
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second, fraction = divmod(float(second), 1)
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return datetime.datetime(int(year),
52
78
int(month),
53
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int(day),
54
80
int(hour),
55
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int(minute),
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int(second), # Whole seconds
57
int(fraction*1000000)) # Microseconds
82
int(second), # Whole seconds
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int(fraction*1000000)) # Microseconds
84
58
85
59
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class MandosClientPropertyCache(object):
60
87
"""This wraps a Mandos Client D-Bus proxy object, caches the
61
88
properties and calls a hook function when any of them are
62
89
changed.
63
90
"""
64
def __init__(self, proxy_object=None, *args, **kwargs):
65
self.proxy = proxy_object # Mandos Client proxy object
66
67
self.properties = dict()
68
self.proxy.connect_to_signal(u"PropertyChanged",
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self.property_changed,
70
client_interface,
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byte_arrays=True)
72
73
self.properties.update(
74
self.proxy.GetAll(client_interface,
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dbus_interface = dbus.PROPERTIES_IFACE))
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#XXX This break good super behaviour!
78
# super(MandosClientPropertyCache, self).__init__(
79
# *args, **kwargs)
80
81
def property_changed(self, property=None, value=None):
82
"""This is called whenever we get a PropertyChanged signal
83
It updates the changed property in the "properties" dict.
91
def __init__(self, proxy_object=None, properties=None, **kwargs):
92
self.proxy = proxy_object # Mandos Client proxy object
93
self.properties = dict() if properties is None else properties
94
self.property_changed_match = (
95
self.proxy.connect_to_signal("PropertiesChanged",
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self.properties_changed,
97
dbus.PROPERTIES_IFACE,
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byte_arrays=True))
99
100
if properties is None:
101
self.properties.update(self.proxy.GetAll(
102
client_interface,
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dbus_interface=dbus.PROPERTIES_IFACE))
104
105
super(MandosClientPropertyCache, self).__init__(**kwargs)
106
107
def properties_changed(self, interface, properties, invalidated):
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"""This is called whenever we get a PropertiesChanged signal
109
It updates the changed properties in the "properties" dict.
84
110
"""
85
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# Update properties dict with new value
86
self.properties[property] = value
112
if interface == client_interface:
113
self.properties.update(properties)
114
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def delete(self):
116
self.property_changed_match.remove()
87
117
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119
class MandosClientWidget(urwid.FlowWidget, MandosClientPropertyCache):
90
120
"""A Mandos Client which is visible on the screen.
91
121
"""
92
122
93
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def __init__(self, server_proxy_object=None, update_hook=None,
94
delete_hook=None, logger=None, *args, **kwargs):
124
delete_hook=None, logger=None, **kwargs):
95
125
# Called on update
96
126
self.update_hook = update_hook
97
127
# Called on delete
100
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self.server_proxy_object = server_proxy_object
101
131
# Logger
102
132
self.logger = logger
103
133
104
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self._update_timer_callback_tag = None
105
self.last_checker_failed = False
106
135
107
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# The widget shown normally
108
self._text_widget = urwid.Text(u"")
137
self._text_widget = urwid.Text("")
109
138
# The widget shown when we have focus
110
self._focus_text_widget = urwid.Text(u"")
111
super(MandosClientWidget, self).__init__(
112
update_hook=update_hook, delete_hook=delete_hook,
113
*args, **kwargs)
139
self._focus_text_widget = urwid.Text("")
140
super(MandosClientWidget, self).__init__(**kwargs)
114
141
self.update()
115
142
self.opened = False
116
self.proxy.connect_to_signal(u"CheckerCompleted",
117
self.checker_completed,
118
client_interface,
119
byte_arrays=True)
120
self.proxy.connect_to_signal(u"CheckerStarted",
121
self.checker_started,
122
client_interface,
123
byte_arrays=True)
124
self.proxy.connect_to_signal(u"GotSecret",
125
self.got_secret,
126
client_interface,
127
byte_arrays=True)
128
self.proxy.connect_to_signal(u"NeedApproval",
129
self.need_approval,
130
client_interface,
131
byte_arrays=True)
132
self.proxy.connect_to_signal(u"Rejected",
133
self.rejected,
134
client_interface,
135
byte_arrays=True)
136
last_checked_ok = isoformat_to_datetime(self.properties
137
["last_checked_ok"])
138
if last_checked_ok is None:
139
self.last_checker_failed = True
140
else:
141
self.last_checker_failed = ((datetime.datetime.utcnow()
142
- last_checked_ok)
143
> datetime.timedelta
144
(milliseconds=
145
self.properties["interval"]))
146
if self.last_checker_failed:
147
self._update_timer_callback_tag = (gobject.timeout_add
143
144
self.match_objects = (
145
self.proxy.connect_to_signal("CheckerCompleted",
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self.checker_completed,
147
client_interface,
148
byte_arrays=True),
149
self.proxy.connect_to_signal("CheckerStarted",
150
self.checker_started,
151
client_interface,
152
byte_arrays=True),
153
self.proxy.connect_to_signal("GotSecret",
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self.got_secret,
155
client_interface,
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byte_arrays=True),
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self.proxy.connect_to_signal("NeedApproval",
158
self.need_approval,
159
client_interface,
160
byte_arrays=True),
161
self.proxy.connect_to_signal("Rejected",
162
self.rejected,
163
client_interface,
164
byte_arrays=True))
165
self.logger('Created client {}'
166
.format(self.properties["Name"]), level=0)
167
168
def using_timer(self, flag):
169
"""Call this method with True or False when timer should be
170
activated or deactivated.
171
"""
172
if flag and self._update_timer_callback_tag is None:
173
# Will update the shown timer value every second
174
self._update_timer_callback_tag = (GLib.timeout_add
148
175
(1000,
149
176
self.update_timer))
150
177
elif not (flag or self._update_timer_callback_tag is None):
178
GLib.source_remove(self._update_timer_callback_tag)
179
self._update_timer_callback_tag = None
180
151
181
def checker_completed(self, exitstatus, condition, command):
152
182
if exitstatus == 0:
153
if self.last_checker_failed:
154
self.last_checker_failed = False
155
gobject.source_remove(self._update_timer_callback_tag)
156
self._update_timer_callback_tag = None
157
self.logger(u'Checker for client %s (command "%s")'
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u' was successful'
159
% (self.properties[u"name"], command))
183
self.logger('Checker for client {} (command "{}")'
184
' succeeded'.format(self.properties["Name"],
185
command), level=0)
160
186
self.update()
161
187
return
162
188
# Checker failed
163
if not self.last_checker_failed:
164
self.last_checker_failed = True
165
self._update_timer_callback_tag = (gobject.timeout_add
166
(1000,
167
self.update_timer))
168
189
if os.WIFEXITED(condition):
169
self.logger(u'Checker for client %s (command "%s")'
170
u' failed with exit code %s'
171
% (self.properties[u"name"], command,
172
os.WEXITSTATUS(condition)))
190
self.logger('Checker for client {} (command "{}") failed'
191
' with exit code {}'
192
.format(self.properties["Name"], command,
193
os.WEXITSTATUS(condition)))
173
194
elif os.WIFSIGNALED(condition):
174
self.logger(u'Checker for client %s (command "%s")'
175
u' was killed by signal %s'
176
% (self.properties[u"name"], command,
177
os.WTERMSIG(condition)))
178
elif os.WCOREDUMP(condition):
179
self.logger(u'Checker for client %s (command "%s")'
180
u' dumped core'
181
% (self.properties[u"name"], command))
182
else:
183
self.logger(u'Checker for client %s completed mysteriously')
195
self.logger('Checker for client {} (command "{}") was'
196
' killed by signal {}'
197
.format(self.properties["Name"], command,
198
os.WTERMSIG(condition)))
184
199
self.update()
185
200
186
201
def checker_started(self, command):
187
#self.logger(u'Client %s started checker "%s"'
188
# % (self.properties[u"name"], unicode(command)))
189
pass
190
202
"""Server signals that a checker started."""
203
self.logger('Client {} started checker "{}"'
204
.format(self.properties["Name"],
205
command), level=0)
206
191
207
def got_secret(self):
192
self.last_checker_failed = False
193
self.logger(u'Client %s received its secret'
194
% self.properties[u"name"])
195
208
self.logger('Client {} received its secret'
209
.format(self.properties["Name"]))
210
196
211
def need_approval(self, timeout, default):
197
212
if not default:
198
message = u'Client %s needs approval within %s seconds'
213
message = 'Client {} needs approval within {} seconds'
199
214
else:
200
message = u'Client %s will get its secret in %s seconds'
201
self.logger(message
202
% (self.properties[u"name"], timeout/1000))
203
215
message = 'Client {} will get its secret in {} seconds'
216
self.logger(message.format(self.properties["Name"],
217
timeout/1000))
218
204
219
def rejected(self, reason):
205
self.logger(u'Client %s was rejected; reason: %s'
206
% (self.properties[u"name"], reason))
207
220
self.logger('Client {} was rejected; reason: {}'
221
.format(self.properties["Name"], reason))
222
208
223
def selectable(self):
209
224
"""Make this a "selectable" widget.
210
225
This overrides the method from urwid.FlowWidget."""
211
226
return True
212
213
def rows(self, (maxcol,), focus=False):
227
228
def rows(self, maxcolrow, focus=False):
214
229
"""How many rows this widget will occupy might depend on
215
230
whether we have focus or not.
216
231
This overrides the method from urwid.FlowWidget"""
217
return self.current_widget(focus).rows((maxcol,), focus=focus)
218
232
return self.current_widget(focus).rows(maxcolrow, focus=focus)
233
219
234
def current_widget(self, focus=False):
220
235
if focus or self.opened:
221
236
return self._focus_widget
222
237
return self._widget
223
238
224
239
def update(self):
225
240
"Called when what is visible on the screen should be updated."
226
241
# How to add standout mode to a style
227
with_standout = { u"normal": u"standout",
228
u"bold": u"bold-standout",
229
u"underline-blink":
230
u"underline-blink-standout",
231
u"bold-underline-blink":
232
u"bold-underline-blink-standout",
233
}
242
with_standout = {"normal": "standout",
243
"bold": "bold-standout",
244
"underline-blink":
245
"underline-blink-standout",
246
"bold-underline-blink":
247
"bold-underline-blink-standout",
248
}
234
249
235
250
# Rebuild focus and non-focus widgets using current properties
236
251
237
252
# Base part of a client. Name!
238
base = (u'%(name)s: '
239
% {u"name": self.properties[u"name"]})
240
if not self.properties[u"enabled"]:
241
message = u"DISABLED"
242
elif self.properties[u"approved_pending"]:
243
if self.properties[u"approved_by_default"]:
244
message = u"Connection established to client. (d)eny?"
245
else:
246
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"]
252
or self.properties["created"]),
253
self.properties[u"last_enabled"]))
254
timer = timeout - (datetime.datetime.utcnow() - last_ok)
255
message = (u'A checker has failed! Time until client gets diabled: %s'
256
% unicode(timer).rsplit(".", 1)[0])
253
base = '{name}: '.format(name=self.properties["Name"])
254
if not self.properties["Enabled"]:
255
message = "DISABLED"
256
self.using_timer(False)
257
elif self.properties["ApprovalPending"]:
258
timeout = datetime.timedelta(
259
milliseconds=self.properties["ApprovalDelay"])
260
last_approval_request = isoformat_to_datetime(
261
self.properties["LastApprovalRequest"])
262
if last_approval_request is not None:
263
timer = max(timeout - (datetime.datetime.utcnow()
264
- last_approval_request),
265
datetime.timedelta())
266
else:
267
timer = datetime.timedelta()
268
if self.properties["ApprovedByDefault"]:
269
message = "Approval in {}. (d)eny?"
270
else:
271
message = "Denial in {}. (a)pprove?"
272
message = message.format(str(timer).rsplit(".", 1)[0])
273
self.using_timer(True)
274
elif self.properties["LastCheckerStatus"] != 0:
275
# When checker has failed, show timer until client expires
276
expires = self.properties["Expires"]
277
if expires == "":
278
timer = datetime.timedelta(0)
279
else:
280
expires = (datetime.datetime.strptime
281
(expires, '%Y-%m-%dT%H:%M:%S.%f'))
282
timer = max(expires - datetime.datetime.utcnow(),
283
datetime.timedelta())
284
message = ('A checker has failed! Time until client'
285
' gets disabled: {}'
286
.format(str(timer).rsplit(".", 1)[0]))
287
self.using_timer(True)
257
288
else:
258
message = u"enabled"
259
self._text = "%s%s" % (base, message)
260
289
message = "enabled"
290
self.using_timer(False)
291
self._text = "{}{}".format(base, message)
292
261
293
if not urwid.supports_unicode():
262
294
self._text = self._text.encode("ascii", "replace")
263
textlist = [(u"normal", self._text)]
295
textlist = [("normal", self._text)]
264
296
self._text_widget.set_text(textlist)
265
297
self._focus_text_widget.set_text([(with_standout[text[0]],
266
298
text[1])
273
305
# Run update hook, if any
274
306
if self.update_hook is not None:
275
307
self.update_hook()
276
308
277
309
def update_timer(self):
278
"called by gobject"
310
"""called by GLib. Will indefinitely loop until
311
GLib.source_remove() on tag is called
312
"""
279
313
self.update()
280
314
return True # Keep calling this
281
282
def delete(self):
315
316
def delete(self, **kwargs):
283
317
if self._update_timer_callback_tag is not None:
284
gobject.source_remove(self._update_timer_callback_tag)
318
GLib.source_remove(self._update_timer_callback_tag)
285
319
self._update_timer_callback_tag = None
320
for match in self.match_objects:
321
match.remove()
322
self.match_objects = ()
286
323
if self.delete_hook is not None:
287
324
self.delete_hook(self)
288
289
def render(self, (maxcol,), focus=False):
325
return super(MandosClientWidget, self).delete(**kwargs)
326
327
def render(self, maxcolrow, focus=False):
290
328
"""Render differently if we have focus.
291
329
This overrides the method from urwid.FlowWidget"""
292
return self.current_widget(focus).render((maxcol,),
330
return self.current_widget(focus).render(maxcolrow,
293
331
focus=focus)
294
295
def keypress(self, (maxcol,), key):
332
333
def keypress(self, maxcolrow, key):
296
334
"""Handle keys.
297
335
This overrides the method from urwid.FlowWidget"""
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":
336
if key == "+":
337
self.proxy.Set(client_interface, "Enabled",
338
dbus.Boolean(True), ignore_reply=True,
339
dbus_interface=dbus.PROPERTIES_IFACE)
340
elif key == "-":
341
self.proxy.Set(client_interface, "Enabled", False,
342
ignore_reply=True,
343
dbus_interface=dbus.PROPERTIES_IFACE)
344
elif key == "a":
303
345
self.proxy.Approve(dbus.Boolean(True, variant_level=1),
304
dbus_interface = client_interface)
305
elif key == u"d":
346
dbus_interface=client_interface,
347
ignore_reply=True)
348
elif key == "d":
306
349
self.proxy.Approve(dbus.Boolean(False, variant_level=1),
307
dbus_interface = client_interface)
308
elif key == u"r" or key == u"_" or key == u"ctrl k":
350
dbus_interface=client_interface,
351
ignore_reply=True)
352
elif key == "R" or key == "_" or key == "ctrl k":
309
353
self.server_proxy_object.RemoveClient(self.proxy
310
.object_path)
311
elif key == u"s":
312
self.proxy.StartChecker(dbus_interface = client_interface)
313
elif key == u"S":
314
self.proxy.StopChecker(dbus_interface = client_interface)
315
elif key == u"C":
316
self.proxy.CheckedOK(dbus_interface = client_interface)
354
.object_path,
355
ignore_reply=True)
356
elif key == "s":
357
self.proxy.Set(client_interface, "CheckerRunning",
358
dbus.Boolean(True), ignore_reply=True,
359
dbus_interface=dbus.PROPERTIES_IFACE)
360
elif key == "S":
361
self.proxy.Set(client_interface, "CheckerRunning",
362
dbus.Boolean(False), ignore_reply=True,
363
dbus_interface=dbus.PROPERTIES_IFACE)
364
elif key == "C":
365
self.proxy.CheckedOK(dbus_interface=client_interface,
366
ignore_reply=True)
317
367
# xxx
318
# elif key == u"p" or key == "=":
368
# elif key == "p" or key == "=":
319
369
# self.proxy.pause()
320
# elif key == u"u" or key == ":":
370
# elif key == "u" or key == ":":
321
371
# self.proxy.unpause()
322
# elif key == u"RET":
372
# elif key == "RET":
323
373
# self.open()
324
# elif key == u"+":
325
# self.proxy.Approve(True)
326
# elif key == u"-":
327
# self.proxy.Approve(False)
328
374
else:
329
375
return key
330
331
def property_changed(self, property=None, value=None,
332
*args, **kwargs):
333
"""Call self.update() if old value is not new value.
376
377
def properties_changed(self, interface, properties, invalidated):
378
"""Call self.update() if any properties changed.
334
379
This overrides the method from MandosClientPropertyCache"""
335
property_name = unicode(property)
336
old_value = self.properties.get(property_name)
337
super(MandosClientWidget, self).property_changed(
338
property=property, value=value, *args, **kwargs)
339
if self.properties.get(property_name) != old_value:
380
old_values = {key: self.properties.get(key)
381
for key in properties.keys()}
382
super(MandosClientWidget, self).properties_changed(
383
interface, properties, invalidated)
384
if any(old_values[key] != self.properties.get(key)
385
for key in old_values):
340
386
self.update()
341
387
342
388
345
391
"down" key presses, thus not allowing any containing widgets to
346
392
use them as an excuse to shift focus away from this widget.
347
393
"""
348
def keypress(self, (maxcol, maxrow), key):
349
ret = super(ConstrainedListBox, self).keypress((maxcol, maxrow), key)
350
if ret in (u"up", u"down"):
394
def keypress(self, *args, **kwargs):
395
ret = (super(ConstrainedListBox, self)
396
.keypress(*args, **kwargs))
397
if ret in ("up", "down"):
351
398
return
352
399
return ret
353
400
356
403
"""This is the entire user interface - the whole screen
357
404
with boxes, lists of client widgets, etc.
358
405
"""
359
def __init__(self, max_log_length=1000):
406
def __init__(self, max_log_length=1000, log_level=1):
360
407
DBusGMainLoop(set_as_default=True)
361
408
362
409
self.screen = urwid.curses_display.Screen()
363
410
364
411
self.screen.register_palette((
365
(u"normal",
366
u"default", u"default", None),
367
(u"bold",
368
u"default", u"default", u"bold"),
369
(u"underline-blink",
370
u"default", u"default", u"underline"),
371
(u"standout",
372
u"default", u"default", u"standout"),
373
(u"bold-underline-blink",
374
u"default", u"default", (u"bold", u"underline")),
375
(u"bold-standout",
376
u"default", u"default", (u"bold", u"standout")),
377
(u"underline-blink-standout",
378
u"default", u"default", (u"underline", u"standout")),
379
(u"bold-underline-blink-standout",
380
u"default", u"default", (u"bold", u"underline",
381
u"standout")),
412
("normal",
413
"default", "default", None),
414
("bold",
415
"bold", "default", "bold"),
416
("underline-blink",
417
"underline,blink", "default", "underline,blink"),
418
("standout",
419
"standout", "default", "standout"),
420
("bold-underline-blink",
421
"bold,underline,blink", "default",
422
"bold,underline,blink"),
423
("bold-standout",
424
"bold,standout", "default", "bold,standout"),
425
("underline-blink-standout",
426
"underline,blink,standout", "default",
427
"underline,blink,standout"),
428
("bold-underline-blink-standout",
429
"bold,underline,blink,standout", "default",
430
"bold,underline,blink,standout"),
382
431
))
383
432
384
433
if urwid.supports_unicode():
385
self.divider = u"─" # \u2500
386
#self.divider = u"━" # \u2501
434
self.divider = "─" # \u2500
387
435
else:
388
#self.divider = u"-" # \u002d
389
self.divider = u"_" # \u005f
390
436
self.divider = "_" # \u005f
437
391
438
self.screen.start()
392
439
393
440
self.size = self.screen.get_cols_rows()
394
441
395
442
self.clients = urwid.SimpleListWalker([])
396
443
self.clients_dict = {}
397
444
398
445
# We will add Text widgets to this list
399
446
self.log = []
400
447
self.max_log_length = max_log_length
401
448
449
self.log_level = log_level
450
402
451
# We keep a reference to the log widget so we can remove it
403
452
# from the ListWalker without it getting destroyed
404
453
self.logbox = ConstrainedListBox(self.log)
405
454
406
455
# This keeps track of whether self.uilist currently has
407
456
# self.logbox in it or not
408
457
self.log_visible = True
409
self.log_wrap = u"any"
410
458
self.log_wrap = "any"
459
411
460
self.rebuild()
412
self.log_message_raw((u"bold",
413
u"Mandos Monitor version " + version))
414
self.log_message_raw((u"bold",
415
u"q: Quit ?: Help"))
416
461
self.log_message_raw(("bold",
462
"Mandos Monitor version " + version))
463
self.log_message_raw(("bold",
464
"q: Quit ?: Help"))
465
417
466
self.busname = domain + '.Mandos'
418
self.main_loop = gobject.MainLoop()
419
self.bus = dbus.SystemBus()
420
mandos_dbus_objc = self.bus.get_object(
421
self.busname, u"/", follow_name_owner_changes=True)
422
self.mandos_serv = dbus.Interface(mandos_dbus_objc,
423
dbus_interface
424
= server_interface)
425
try:
426
mandos_clients = (self.mandos_serv
427
.GetAllClientsWithProperties())
428
except dbus.exceptions.DBusException:
429
mandos_clients = dbus.Dictionary()
430
431
(self.mandos_serv
432
.connect_to_signal(u"ClientRemoved",
433
self.find_and_remove_client,
434
dbus_interface=server_interface,
435
byte_arrays=True))
436
(self.mandos_serv
437
.connect_to_signal(u"ClientAdded",
438
self.add_new_client,
439
dbus_interface=server_interface,
440
byte_arrays=True))
441
(self.mandos_serv
442
.connect_to_signal(u"ClientNotFound",
443
self.client_not_found,
444
dbus_interface=server_interface,
445
byte_arrays=True))
446
for path, client in mandos_clients.iteritems():
447
client_proxy_object = self.bus.get_object(self.busname,
448
path)
449
self.add_client(MandosClientWidget(server_proxy_object
450
=self.mandos_serv,
451
proxy_object
452
=client_proxy_object,
453
properties=client,
454
update_hook
455
=self.refresh,
456
delete_hook
457
=self.remove_client,
458
logger
459
=self.log_message),
460
path=path)
461
467
self.main_loop = GLib.MainLoop()
468
462
469
def client_not_found(self, fingerprint, address):
463
self.log_message((u"Client with address %s and fingerprint %s"
464
u" could not be found" % (address,
465
fingerprint)))
466
470
self.log_message("Client with address {} and fingerprint {}"
471
" could not be found"
472
.format(address, fingerprint))
473
467
474
def rebuild(self):
468
475
"""This rebuilds the User Interface.
469
476
Call this when the widget layout needs to change"""
470
477
self.uilist = []
471
#self.uilist.append(urwid.ListBox(self.clients))
472
self.uilist.append(urwid.Frame(ConstrainedListBox(self.clients),
473
#header=urwid.Divider(),
478
# self.uilist.append(urwid.ListBox(self.clients))
479
self.uilist.append(urwid.Frame(ConstrainedListBox(self.
480
clients),
481
# header=urwid.Divider(),
474
482
header=None,
475
footer=urwid.Divider(div_char=self.divider)))
483
footer=urwid.Divider(
484
div_char=self.divider)))
476
485
if self.log_visible:
477
486
self.uilist.append(self.logbox)
478
pass
479
487
self.topwidget = urwid.Pile(self.uilist)
480
481
def log_message(self, message):
488
489
def log_message(self, message, level=1):
490
"""Log message formatted with timestamp"""
491
if level < self.log_level:
492
return
482
493
timestamp = datetime.datetime.now().isoformat()
483
self.log_message_raw(timestamp + u": " + message)
484
485
def log_message_raw(self, markup):
494
self.log_message_raw("{}: {}".format(timestamp, message),
495
level=level)
496
497
def log_message_raw(self, markup, level=1):
486
498
"""Add a log message to the log buffer."""
499
if level < self.log_level:
500
return
487
501
self.log.append(urwid.Text(markup, wrap=self.log_wrap))
488
if (self.max_log_length
489
and len(self.log) > self.max_log_length):
490
del self.log[0:len(self.log)-self.max_log_length-1]
502
if self.max_log_length:
503
if len(self.log) > self.max_log_length:
504
del self.log[0:len(self.log)-self.max_log_length-1]
491
505
self.logbox.set_focus(len(self.logbox.body.contents),
492
coming_from=u"above")
506
coming_from="above")
493
507
self.refresh()
494
508
495
509
def toggle_log_display(self):
496
510
"""Toggle visibility of the log buffer."""
497
511
self.log_visible = not self.log_visible
498
512
self.rebuild()
499
self.log_message(u"Log visibility changed to: "
500
+ unicode(self.log_visible))
501
513
self.log_message("Log visibility changed to: {}"
514
.format(self.log_visible), level=0)
515
502
516
def change_log_display(self):
503
517
"""Change type of log display.
504
518
Currently, this toggles wrapping of text lines."""
505
if self.log_wrap == u"clip":
506
self.log_wrap = u"any"
519
if self.log_wrap == "clip":
520
self.log_wrap = "any"
507
521
else:
508
self.log_wrap = u"clip"
522
self.log_wrap = "clip"
509
523
for textwidget in self.log:
510
524
textwidget.set_wrap_mode(self.log_wrap)
511
self.log_message(u"Wrap mode: " + self.log_wrap)
512
513
def find_and_remove_client(self, path, name):
514
"""Find an client from its object path and remove it.
515
516
This is connected to the ClientRemoved signal from the
525
self.log_message("Wrap mode: {}".format(self.log_wrap),
526
level=0)
527
528
def find_and_remove_client(self, path, interfaces):
529
"""Find a client by its object path and remove it.
530
531
This is connected to the InterfacesRemoved signal from the
517
532
Mandos server object."""
533
if client_interface not in interfaces:
534
# Not a Mandos client object; ignore
535
return
518
536
try:
519
537
client = self.clients_dict[path]
520
538
except KeyError:
521
539
# not found?
522
return
523
self.remove_client(client, path)
524
525
def add_new_client(self, path):
540
self.log_message("Unknown client {!r} removed"
541
.format(path))
542
return
543
client.delete()
544
545
def add_new_client(self, path, ifs_and_props):
546
"""Find a client by its object path and remove it.
547
548
This is connected to the InterfacesAdded signal from the
549
Mandos server object.
550
"""
551
if client_interface not in ifs_and_props:
552
# Not a Mandos client object; ignore
553
return
526
554
client_proxy_object = self.bus.get_object(self.busname, path)
527
self.add_client(MandosClientWidget(server_proxy_object
528
=self.mandos_serv,
529
proxy_object
530
=client_proxy_object,
531
update_hook
532
=self.refresh,
533
delete_hook
534
=self.remove_client,
535
logger
536
=self.log_message),
555
self.add_client(MandosClientWidget(
556
server_proxy_object=self.mandos_serv,
557
proxy_object=client_proxy_object,
558
update_hook=self.refresh,
559
delete_hook=self.remove_client,
560
logger=self.log_message,
561
properties=dict(ifs_and_props[client_interface])),
537
562
path=path)
538
563
539
564
def add_client(self, client, path=None):
540
565
self.clients.append(client)
541
566
if path is None:
542
567
path = client.proxy.object_path
543
568
self.clients_dict[path] = client
544
self.clients.sort(None, lambda c: c.properties[u"name"])
569
self.clients.sort(key=lambda c: c.properties["Name"])
545
570
self.refresh()
546
571
547
572
def remove_client(self, client, path=None):
548
573
self.clients.remove(client)
549
574
if path is None:
550
575
path = client.proxy.object_path
551
576
del self.clients_dict[path]
552
if not self.clients_dict:
553
# Work around bug in Urwid 0.9.8.3 - if a SimpleListWalker
554
# is completely emptied, we need to recreate it.
555
self.clients = urwid.SimpleListWalker([])
556
self.rebuild()
557
577
self.refresh()
558
578
559
579
def refresh(self):
560
580
"""Redraw the screen"""
561
581
canvas = self.topwidget.render(self.size, focus=True)
562
582
self.screen.draw_screen(self.size, canvas)
563
583
564
584
def run(self):
565
585
"""Start the main loop and exit when it's done."""
586
self.bus = dbus.SystemBus()
587
mandos_dbus_objc = self.bus.get_object(
588
self.busname, "/", follow_name_owner_changes=True)
589
self.mandos_serv = dbus.Interface(
590
mandos_dbus_objc, dbus_interface=server_interface)
591
try:
592
mandos_clients = (self.mandos_serv
593
.GetAllClientsWithProperties())
594
if not mandos_clients:
595
self.log_message_raw(("bold",
596
"Note: Server has no clients."))
597
except dbus.exceptions.DBusException:
598
self.log_message_raw(("bold",
599
"Note: No Mandos server running."))
600
mandos_clients = dbus.Dictionary()
601
602
(self.mandos_serv
603
.connect_to_signal("InterfacesRemoved",
604
self.find_and_remove_client,
605
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
606
byte_arrays=True))
607
(self.mandos_serv
608
.connect_to_signal("InterfacesAdded",
609
self.add_new_client,
610
dbus_interface=dbus.OBJECT_MANAGER_IFACE,
611
byte_arrays=True))
612
(self.mandos_serv
613
.connect_to_signal("ClientNotFound",
614
self.client_not_found,
615
dbus_interface=server_interface,
616
byte_arrays=True))
617
for path, client in mandos_clients.items():
618
client_proxy_object = self.bus.get_object(self.busname,
619
path)
620
self.add_client(MandosClientWidget(
621
server_proxy_object=self.mandos_serv,
622
proxy_object=client_proxy_object,
623
properties=client,
624
update_hook=self.refresh,
625
delete_hook=self.remove_client,
626
logger=self.log_message),
627
path=path)
628
566
629
self.refresh()
567
self._input_callback_tag = (gobject.io_add_watch
630
self._input_callback_tag = (GLib.io_add_watch
568
631
(sys.stdin.fileno(),
569
gobject.IO_IN,
632
GLib.IO_IN,
570
633
self.process_input))
571
634
self.main_loop.run()
572
635
# Main loop has finished, we should close everything now
573
gobject.source_remove(self._input_callback_tag)
636
GLib.source_remove(self._input_callback_tag)
574
637
self.screen.stop()
575
638
576
639
def stop(self):
577
640
self.main_loop.quit()
578
641
579
642
def process_input(self, source, condition):
580
643
keys = self.screen.get_input()
581
translations = { u"ctrl n": u"down", # Emacs
582
u"ctrl p": u"up", # Emacs
583
u"ctrl v": u"page down", # Emacs
584
u"meta v": u"page up", # Emacs
585
u" ": u"page down", # less
586
u"f": u"page down", # less
587
u"b": u"page up", # less
588
u"j": u"down", # vi
589
u"k": u"up", # vi
590
}
644
translations = {"ctrl n": "down", # Emacs
645
"ctrl p": "up", # Emacs
646
"ctrl v": "page down", # Emacs
647
"meta v": "page up", # Emacs
648
" ": "page down", # less
649
"f": "page down", # less
650
"b": "page up", # less
651
"j": "down", # vi
652
"k": "up", # vi
653
}
591
654
for key in keys:
592
655
try:
593
656
key = translations[key]
594
657
except KeyError: # :-)
595
658
pass
596
597
if key == u"q" or key == u"Q":
659
660
if key == "q" or key == "Q":
598
661
self.stop()
599
662
break
600
elif key == u"window resize":
663
elif key == "window resize":
601
664
self.size = self.screen.get_cols_rows()
602
665
self.refresh()
603
elif key == u"\f": # Ctrl-L
666
elif key == "ctrl l":
667
self.screen.clear()
604
668
self.refresh()
605
elif key == u"l" or key == u"D":
669
elif key == "l" or key == "D":
606
670
self.toggle_log_display()
607
671
self.refresh()
608
elif key == u"w" or key == u"i":
672
elif key == "w" or key == "i":
609
673
self.change_log_display()
610
674
self.refresh()
611
elif key == u"?" or key == u"f1" or key == u"esc":
675
elif key == "?" or key == "f1" or key == "esc":
612
676
if not self.log_visible:
613
677
self.log_visible = True
614
678
self.rebuild()
615
self.log_message_raw((u"bold",
616
u" ".
617
join((u"q: Quit",
618
u"?: Help",
619
u"l: Log window toggle",
620
u"TAB: Switch window",
621
u"w: Wrap (log)"))))
622
self.log_message_raw((u"bold",
623
u" "
624
.join((u"Clients:",
625
u"+: Enable",
626
u"-: Disable",
627
u"r: Remove",
628
u"s: Start new checker",
629
u"S: Stop checker",
630
u"C: Checker OK",
631
u"a: Approve",
632
u"d: Deny"))))
679
self.log_message_raw(("bold",
680
" ".
681
join(("q: Quit",
682
"?: Help",
683
"l: Log window toggle",
684
"TAB: Switch window",
685
"w: Wrap (log lines)",
686
"v: Toggle verbose log",
687
))))
688
self.log_message_raw(("bold",
689
" "
690
.join(("Clients:",
691
"+: Enable",
692
"-: Disable",
693
"R: Remove",
694
"s: Start new checker",
695
"S: Stop checker",
696
"C: Checker OK",
697
"a: Approve",
698
"d: Deny"))))
633
699
self.refresh()
634
elif key == u"tab":
700
elif key == "tab":
635
701
if self.topwidget.get_focus() is self.logbox:
636
702
self.topwidget.set_focus(0)
637
703
else:
638
704
self.topwidget.set_focus(self.logbox)
639
705
self.refresh()
640
#elif (key == u"end" or key == u"meta >" or key == u"G"
641
# or key == u">"):
642
# pass # xxx end-of-buffer
643
#elif (key == u"home" or key == u"meta <" or key == u"g"
644
# or key == u"<"):
645
# pass # xxx beginning-of-buffer
646
#elif key == u"ctrl e" or key == u"$":
647
# pass # xxx move-end-of-line
648
#elif key == u"ctrl a" or key == u"^":
649
# pass # xxx move-beginning-of-line
650
#elif key == u"ctrl b" or key == u"meta (" or key == u"h":
651
# pass # xxx left
652
#elif key == u"ctrl f" or key == u"meta )" or key == u"l":
653
# pass # xxx right
654
#elif key == u"a":
655
# pass # scroll up log
656
#elif key == u"z":
657
# pass # scroll down log
706
elif key == "v":
707
if self.log_level == 0:
708
self.log_level = 1
709
self.log_message("Verbose mode: Off")
710
else:
711
self.log_level = 0
712
self.log_message("Verbose mode: On")
713
# elif (key == "end" or key == "meta >" or key == "G"
714
# or key == ">"):
715
# pass # xxx end-of-buffer
716
# elif (key == "home" or key == "meta <" or key == "g"
717
# or key == "<"):
718
# pass # xxx beginning-of-buffer
719
# elif key == "ctrl e" or key == "$":
720
# pass # xxx move-end-of-line
721
# elif key == "ctrl a" or key == "^":
722
# pass # xxx move-beginning-of-line
723
# elif key == "ctrl b" or key == "meta (" or key == "h":
724
# pass # xxx left
725
# elif key == "ctrl f" or key == "meta )" or key == "l":
726
# pass # xxx right
727
# elif key == "a":
728
# pass # scroll up log
729
# elif key == "z":
730
# pass # scroll down log
658
731
elif self.topwidget.selectable():
659
732
self.topwidget.keypress(self.size, key)
660
733
self.refresh()
665
738
ui.run()
666
739
except KeyboardInterrupt:
667
740
ui.screen.stop()
668
except Exception, e:
669
ui.log_message(unicode(e))
741
except Exception as e:
742
ui.log_message(str(e))
670
743
ui.screen.stop()
671
744
raise
Loggerhead is a web-based interface for Breezy
Version: 2.0.2.dev0