/mandos/release : revision 237.7.20

3

#

4

# Mandos Monitor - Control and monitor the Mandos server

5

#

6

7

6

7

8

#

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

22

# Contact the authors at <mandos@fukt.bsnet.se>.

23

#

24

25

from __future__ import division, absolute_import, with_statement

25

from __future__ import division, absolute_import, print_function, unicode_literals

26

27

import sys

28

import os

42

43

import locale

44

45

locale.setlocale(locale.LC_ALL, u'')

45

locale.setlocale(locale.LC_ALL, '')

46

47

import logging

48

logging.getLogger('dbus.proxies').setLevel(logging.CRITICAL)

51

domain = 'se.bsnet.fukt'

52

server_interface = domain + '.Mandos'

53

client_interface = domain + '.Mandos.Client'

54

version = "1.2"

54

version = "1.2.3"

55

56

# Always run in monochrome mode

57

urwid.curses_display.curses.has_colors = lambda : False

65

"Parse an ISO 8601 date string to a datetime.datetime()"

66

if not iso:

67

return None

68

d, t = iso.split(u"T", 1)

69

year, month, day = d.split(u"-", 2)

70

hour, minute, second = t.split(u":", 2)

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),

73

int(month),

86

self.proxy = proxy_object # Mandos Client proxy object

87

88

self.properties = dict()

89

self.proxy.connect_to_signal(u"PropertyChanged",

89

self.proxy.connect_to_signal("PropertyChanged",

90

self.property_changed,

91

client_interface,

92

byte_arrays=True)

127

self.last_checker_failed = False

128

129

# The widget shown normally

130

self._text_widget = urwid.Text(u"")

130

self._text_widget = urwid.Text("")

131

# The widget shown when we have focus

132

self._focus_text_widget = urwid.Text(u"")

132

self._focus_text_widget = urwid.Text("")

133

super(MandosClientWidget, self).__init__(

134

update_hook=update_hook, delete_hook=delete_hook,

135

*args, **kwargs)

137

self.opened = False

138

139

last_checked_ok = isoformat_to_datetime(self.properties

140

[u"LastCheckedOK"])

140

["LastCheckedOK"])

141

if last_checked_ok is None:

142

self.last_checker_failed = True

143

else:

146

> datetime.timedelta

147

(milliseconds=

148

self.properties

149

[u"Interval"]))

149

["Interval"]))

150

151

if self.last_checker_failed:

152

self.using_timer(True)

154

if self.need_approval:

155

self.using_timer(True)

156

157

self.proxy.connect_to_signal(u"CheckerCompleted",

157

self.proxy.connect_to_signal("CheckerCompleted",

158

self.checker_completed,

159

client_interface,

160

byte_arrays=True)

161

self.proxy.connect_to_signal(u"CheckerStarted",

161

self.proxy.connect_to_signal("CheckerStarted",

162

self.checker_started,

163

client_interface,

164

byte_arrays=True)

165

self.proxy.connect_to_signal(u"GotSecret",

165

self.proxy.connect_to_signal("GotSecret",

166

self.got_secret,

167

client_interface,

168

byte_arrays=True)

169

self.proxy.connect_to_signal(u"NeedApproval",

169

self.proxy.connect_to_signal("NeedApproval",

170

self.need_approval,

171

client_interface,

172

byte_arrays=True)

173

self.proxy.connect_to_signal(u"Rejected",

173

self.proxy.connect_to_signal("Rejected",

174

self.rejected,

175

client_interface,

176

byte_arrays=True)

178

def property_changed(self, property=None, value=None):

179

super(self, MandosClientWidget).property_changed(property,

180

value)

181

if property == u"ApprovalPending":

181

if property == "ApprovalPending":

182

using_timer(bool(value))

183

184

def using_timer(self, flag):

203

if self.last_checker_failed:

204

self.last_checker_failed = False

205

self.using_timer(False)

206

#self.logger(u'Checker for client %s (command "%s")'

207

# u' was successful'

208

# % (self.properties[u"Name"], command))

206

#self.logger('Checker for client %s (command "%s")'

207

# ' was successful'

208

# % (self.properties["Name"], command))

209

self.update()

210

return

211

# Checker failed

213

self.last_checker_failed = True

214

self.using_timer(True)

215

if os.WIFEXITED(condition):

216

self.logger(u'Checker for client %s (command "%s")'

217

u' failed with exit code %s'

218

% (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,

219

os.WEXITSTATUS(condition)))

220

elif os.WIFSIGNALED(condition):

221

self.logger(u'Checker for client %s (command "%s")'

222

u' was killed by signal %s'

223

% (self.properties[u"Name"], command,

221

self.logger('Checker for client %s (command "%s")'

222

' was killed by signal %s'

223

% (self.properties["Name"], command,

224

os.WTERMSIG(condition)))

225

elif os.WCOREDUMP(condition):

226

self.logger(u'Checker for client %s (command "%s")'

227

u' dumped core'

228

% (self.properties[u"Name"], command))

226

self.logger('Checker for client %s (command "%s")'

227

' dumped core'

228

% (self.properties["Name"], command))

229

else:

230

self.logger(u'Checker for client %s completed'

231

u' mysteriously')

230

self.logger('Checker for client %s completed'

231

' mysteriously')

232

self.update()

233

234

def checker_started(self, command):

235

#self.logger(u'Client %s started checker "%s"'

236

# % (self.properties[u"Name"], unicode(command)))

235

#self.logger('Client %s started checker "%s"'

236

# % (self.properties["Name"], unicode(command)))

237

pass

238

239

def got_secret(self):

240

self.last_checker_failed = False

241

self.logger(u'Client %s received its secret'

242

% self.properties[u"Name"])

241

self.logger('Client %s received its secret'

242

% self.properties["Name"])

243

244

def need_approval(self, timeout, default):

245

if not default:

246

message = u'Client %s needs approval within %s seconds'

246

message = 'Client %s needs approval within %s seconds'

247

else:

248

message = u'Client %s will get its secret in %s seconds'

248

message = 'Client %s will get its secret in %s seconds'

249

self.logger(message

250

% (self.properties[u"Name"], timeout/1000))

250

% (self.properties["Name"], timeout/1000))

251

self.using_timer(True)

252

253

def rejected(self, reason):

254

self.logger(u'Client %s was rejected; reason: %s'

255

% (self.properties[u"Name"], reason))

254

self.logger('Client %s was rejected; reason: %s'

255

% (self.properties["Name"], reason))

256

257

def selectable(self):

258

"""Make this a "selectable" widget.

259

This overrides the method from urwid.FlowWidget."""

260

return True

261

262

def rows(self, (maxcol,), focus=False):

262

def rows(self, maxcolrow, focus=False):

263

"""How many rows this widget will occupy might depend on

264

whether we have focus or not.

265

This overrides the method from urwid.FlowWidget"""

266

return self.current_widget(focus).rows((maxcol,), focus=focus)

266

return self.current_widget(focus).rows(maxcolrow, focus=focus)

267

268

def current_widget(self, focus=False):

269

if focus or self.opened:

273

def update(self):

274

"Called when what is visible on the screen should be updated."

275

# How to add standout mode to a style

276

with_standout = { u"normal": u"standout",

277

u"bold": u"bold-standout",

278

u"underline-blink":

279

u"underline-blink-standout",

280

u"bold-underline-blink":

281

u"bold-underline-blink-standout",

276

with_standout = { "normal": "standout",

277

"bold": "bold-standout",

278

"underline-blink":

279

"underline-blink-standout",

280

"bold-underline-blink":

281

"bold-underline-blink-standout",

282

}

283

284

# Rebuild focus and non-focus widgets using current properties

285

286

# Base part of a client. Name!

287

base = (u'%(name)s: '

288

% {u"name": self.properties[u"Name"]})

289

if not self.properties[u"Enabled"]:

290

message = u"DISABLED"

291

elif self.properties[u"ApprovalPending"]:

287

base = ('%(name)s: '

288

% {"name": self.properties["Name"]})

289

if not self.properties["Enabled"]:

290

message = "DISABLED"

291

elif self.properties["ApprovalPending"]:

292

timeout = datetime.timedelta(milliseconds

293

= self.properties

294

[u"ApprovalDelay"])

294

["ApprovalDelay"])

295

last_approval_request = isoformat_to_datetime(

296

self.properties[u"LastApprovalRequest"])

296

self.properties["LastApprovalRequest"])

297

if last_approval_request is not None:

298

timer = timeout - (datetime.datetime.utcnow()

299

- last_approval_request)

300

else:

301

timer = datetime.timedelta()

302

if self.properties[u"ApprovedByDefault"]:

303

message = u"Approval in %s. (d)eny?"

302

if self.properties["ApprovedByDefault"]:

303

message = "Approval in %s. (d)eny?"

304

else:

305

message = u"Denial in %s. (a)pprove?"

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

309

= self.properties

310

[u"Timeout"])

310

["Timeout"])

311

last_ok = isoformat_to_datetime(

312

max((self.properties[u"LastCheckedOK"]

313

or self.properties[u"Created"]),

314

self.properties[u"LastEnabled"]))

312

max((self.properties["LastCheckedOK"]

313

or self.properties["Created"]),

314

self.properties["LastEnabled"]))

315

timer = timeout - (datetime.datetime.utcnow() - last_ok)

316

message = (u'A checker has failed! Time until client'

317

u' gets disabled: %s'

316

message = ('A checker has failed! Time until client'

317

' gets disabled: %s'

318

% unicode(timer).rsplit(".", 1)[0])

319

else:

320

message = u"enabled"

320

message = "enabled"

321

self._text = "%s%s" % (base, message)

322

323

if not urwid.supports_unicode():

324

self._text = self._text.encode("ascii", "replace")

325

textlist = [(u"normal", self._text)]

325

textlist = [("normal", self._text)]

326

self._text_widget.set_text(textlist)

327

self._focus_text_widget.set_text([(with_standout[text[0]],

328

text[1])

348

if self.delete_hook is not None:

349

self.delete_hook(self)

350

351

def render(self, (maxcol,), focus=False):

351

def render(self, maxcolrow, focus=False):

352

"""Render differently if we have focus.

353

This overrides the method from urwid.FlowWidget"""

354

return self.current_widget(focus).render((maxcol,),

354

return self.current_widget(focus).render(maxcolrow,

355

focus=focus)

356

357

def keypress(self, (maxcol,), key):

357

def keypress(self, maxcolrow, key):

358

"""Handle keys.

359

This overrides the method from urwid.FlowWidget"""

360

if key == u"+":

360

if key == "+":

361

self.proxy.Enable(dbus_interface = client_interface)

362

elif key == u"-":

362

elif key == "-":

363

self.proxy.Disable(dbus_interface = client_interface)

364

elif key == u"a":

364

elif key == "a":

365

self.proxy.Approve(dbus.Boolean(True, variant_level=1),

366

dbus_interface = client_interface)

367

elif key == u"d":

367

elif key == "d":

368

self.proxy.Approve(dbus.Boolean(False, variant_level=1),

369

dbus_interface = client_interface)

370

elif key == u"R" or key == u"_" or key == u"ctrl k":

370

elif key == "R" or key == "_" or key == "ctrl k":

371

self.server_proxy_object.RemoveClient(self.proxy

372

.object_path)

373

elif key == u"s":

373

elif key == "s":

374

self.proxy.StartChecker(dbus_interface = client_interface)

375

elif key == u"S":

375

elif key == "S":

376

self.proxy.StopChecker(dbus_interface = client_interface)

377

elif key == u"C":

377

elif key == "C":

378

self.proxy.CheckedOK(dbus_interface = client_interface)

379

# xxx

380

# elif key == u"p" or key == "=":

380

# elif key == "p" or key == "=":

381

# self.proxy.pause()

382

# elif key == u"u" or key == ":":

382

# elif key == "u" or key == ":":

383

# self.proxy.unpause()

384

# elif key == u"RET":

384

# elif key == "RET":

385

# self.open()

386

else:

387

return key

403

"down" key presses, thus not allowing any containing widgets to

404

use them as an excuse to shift focus away from this widget.

405

"""

406

def keypress(self, (maxcol, maxrow), key):

407

ret = super(ConstrainedListBox, self).keypress((maxcol,

408

maxrow), key)

409

if ret in (u"up", u"down"):

406

def keypress(self, maxcolrow, key):

407

ret = super(ConstrainedListBox, self).keypress(maxcolrow, key)

408

if ret in ("up", "down"):

410

409

return

411

410

return ret

412

411

421

420

self.screen = urwid.curses_display.Screen()

422

421

423

422

self.screen.register_palette((

424

(u"normal",

425

u"default", u"default", None),

426

(u"bold",

427

u"default", u"default", u"bold"),

428

(u"underline-blink",

429

u"default", u"default", u"underline"),

430

(u"standout",

431

u"default", u"default", u"standout"),

432

(u"bold-underline-blink",

433

u"default", u"default", (u"bold", u"underline")),

434

(u"bold-standout",

435

u"default", u"default", (u"bold", u"standout")),

436

(u"underline-blink-standout",

437

u"default", u"default", (u"underline", u"standout")),

438

(u"bold-underline-blink-standout",

439

u"default", u"default", (u"bold", u"underline",

440

u"standout")),

423

("normal",

424

"default", "default", None),

425

("bold",

426

"default", "default", "bold"),

427

("underline-blink",

428

"default", "default", "underline"),

429

("standout",

430

"default", "default", "standout"),

431

("bold-underline-blink",

432

"default", "default", ("bold", "underline")),

433

("bold-standout",

434

"default", "default", ("bold", "standout")),

435

("underline-blink-standout",

436

"default", "default", ("underline", "standout")),

437

("bold-underline-blink-standout",

438

"default", "default", ("bold", "underline",

439

"standout")),

441

440

))

442

441

443

442

if urwid.supports_unicode():

444

self.divider = u"─" # \u2500

445

#self.divider = u"━" # \u2501

443

self.divider = "─" # \u2500

444

#self.divider = "━" # \u2501

446

445

else:

447

#self.divider = u"-" # \u002d

448

self.divider = u"_" # \u005f

446

#self.divider = "-" # \u002d

447

self.divider = "_" # \u005f

449

448

450

449

self.screen.start()

451

450

465

464

# This keeps track of whether self.uilist currently has

466

465

# self.logbox in it or not

467

466

self.log_visible = True

468

self.log_wrap = u"any"

467

self.log_wrap = "any"

469

468

470

469

self.rebuild()

471

self.log_message_raw((u"bold",

472

u"Mandos Monitor version " + version))

473

self.log_message_raw((u"bold",

474

u"q: Quit ?: Help"))

470

self.log_message_raw(("bold",

471

"Mandos Monitor version " + version))

472

self.log_message_raw(("bold",

473

"q: Quit ?: Help"))

475

474

476

475

self.busname = domain + '.Mandos'

477

476

self.main_loop = gobject.MainLoop()

478

477

self.bus = dbus.SystemBus()

479

478

mandos_dbus_objc = self.bus.get_object(

480

self.busname, u"/", follow_name_owner_changes=True)

479

self.busname, "/", follow_name_owner_changes=True)

481

480

self.mandos_serv = dbus.Interface(mandos_dbus_objc,

482

481

dbus_interface

483

482

= server_interface)

488

487

mandos_clients = dbus.Dictionary()

489

488

490

489

(self.mandos_serv

491

.connect_to_signal(u"ClientRemoved",

490

.connect_to_signal("ClientRemoved",

492

491

self.find_and_remove_client,

493

492

dbus_interface=server_interface,

494

493

byte_arrays=True))

495

494

(self.mandos_serv

496

.connect_to_signal(u"ClientAdded",

495

.connect_to_signal("ClientAdded",

497

496

self.add_new_client,

498

497

dbus_interface=server_interface,

499

498

byte_arrays=True))

500

499

(self.mandos_serv

501

.connect_to_signal(u"ClientNotFound",

500

.connect_to_signal("ClientNotFound",

502

501

self.client_not_found,

503

502

dbus_interface=server_interface,

504

503

byte_arrays=True))

519

518

path=path)

520

519

521

520

def client_not_found(self, fingerprint, address):

522

self.log_message((u"Client with address %s and fingerprint %s"

523

u" could not be found" % (address,

521

self.log_message(("Client with address %s and fingerprint %s"

522

" could not be found" % (address,

524

523

fingerprint)))

525

524

526

525

def rebuild(self):

542

541

543

542

def log_message(self, message):

544

543

timestamp = datetime.datetime.now().isoformat()

545

self.log_message_raw(timestamp + u": " + message)

544

self.log_message_raw(timestamp + ": " + message)

546

545

547

546

def log_message_raw(self, markup):

548

547

"""Add a log message to the log buffer."""

551

550

and len(self.log) > self.max_log_length):

552

551

del self.log[0:len(self.log)-self.max_log_length-1]

553

552

self.logbox.set_focus(len(self.logbox.body.contents),

554

coming_from=u"above")

553

coming_from="above")

555

554

self.refresh()

556

555

557

556

def toggle_log_display(self):

558

557

"""Toggle visibility of the log buffer."""

559

558

self.log_visible = not self.log_visible

560

559

self.rebuild()

561

#self.log_message(u"Log visibility changed to: "

560

#self.log_message("Log visibility changed to: "

562

561

# + unicode(self.log_visible))

563

562

564

563

def change_log_display(self):

565

564

"""Change type of log display.

566

565

Currently, this toggles wrapping of text lines."""

567

if self.log_wrap == u"clip":

568

self.log_wrap = u"any"

566

if self.log_wrap == "clip":

567

self.log_wrap = "any"

569

568

else:

570

self.log_wrap = u"clip"

569

self.log_wrap = "clip"

571

570

for textwidget in self.log:

572

571

textwidget.set_wrap_mode(self.log_wrap)

573

#self.log_message(u"Wrap mode: " + self.log_wrap)

572

#self.log_message("Wrap mode: " + self.log_wrap)

574

573

575

574

def find_and_remove_client(self, path, name):

576

575

"""Find an client from its object path and remove it.

603

602

if path is None:

604

603

path = client.proxy.object_path

605

604

self.clients_dict[path] = client

606

self.clients.sort(None, lambda c: c.properties[u"Name"])

605

self.clients.sort(None, lambda c: c.properties["Name"])

607

606

self.refresh()

608

607

609

608

def remove_client(self, client, path=None):

640

639

641

640

def process_input(self, source, condition):

642

641

keys = self.screen.get_input()

643

translations = { u"ctrl n": u"down", # Emacs

644

u"ctrl p": u"up", # Emacs

645

u"ctrl v": u"page down", # Emacs

646

u"meta v": u"page up", # Emacs

647

u" ": u"page down", # less

648

u"f": u"page down", # less

649

u"b": u"page up", # less

650

u"j": u"down", # vi

651

u"k": u"up", # vi

642

translations = { "ctrl n": "down", # Emacs

643

"ctrl p": "up", # Emacs

644

"ctrl v": "page down", # Emacs

645

"meta v": "page up", # Emacs

646

" ": "page down", # less

647

"f": "page down", # less

648

"b": "page up", # less

649

"j": "down", # vi

650

"k": "up", # vi

652

651

}

653

652

for key in keys:

654

653

try:

656

655

except KeyError: # :-)

657

656

pass

658

657

659

if key == u"q" or key == u"Q":

658

if key == "q" or key == "Q":

660

659

self.stop()

661

660

break

662

elif key == u"window resize":

661

elif key == "window resize":

663

662

self.size = self.screen.get_cols_rows()

664

663

self.refresh()

665

elif key == u"\f": # Ctrl-L

664

elif key == "\f": # Ctrl-L

666

665

self.refresh()

667

elif key == u"l" or key == u"D":

666

elif key == "l" or key == "D":

668

667

self.toggle_log_display()

669

668

self.refresh()

670

elif key == u"w" or key == u"i":

669

elif key == "w" or key == "i":

671

670

self.change_log_display()

672

671

self.refresh()

673

elif key == u"?" or key == u"f1" or key == u"esc":

672

elif key == "?" or key == "f1" or key == "esc":

674

673

if not self.log_visible:

675

674

self.log_visible = True

676

675

self.rebuild()

677

self.log_message_raw((u"bold",

678

u" ".

679

join((u"q: Quit",

680

u"?: Help",

681

u"l: Log window toggle",

682

u"TAB: Switch window",

683

u"w: Wrap (log)"))))

684

self.log_message_raw((u"bold",

685

u" "

686

.join((u"Clients:",

687

u"+: Enable",

688

u"-: Disable",

689

u"R: Remove",

690

u"s: Start new checker",

691

u"S: Stop checker",

692

u"C: Checker OK",

693

u"a: Approve",

694

u"d: Deny"))))

676

self.log_message_raw(("bold",

677

" ".

678

join(("q: Quit",

679

"?: Help",

680

"l: Log window toggle",

681

"TAB: Switch window",

682

"w: Wrap (log)"))))

683

self.log_message_raw(("bold",

684

" "

685

.join(("Clients:",

686

"+: Enable",

687

"-: Disable",

688

"R: Remove",

689

"s: Start new checker",

690

"S: Stop checker",

691

"C: Checker OK",

692

"a: Approve",

693

"d: Deny"))))

695

694

self.refresh()

696

elif key == u"tab":

695

elif key == "tab":

697

696

if self.topwidget.get_focus() is self.logbox:

698

697

self.topwidget.set_focus(0)

699

698

else:

700

699

self.topwidget.set_focus(self.logbox)

701

700

self.refresh()

702

#elif (key == u"end" or key == u"meta >" or key == u"G"

703

# or key == u">"):

701

#elif (key == "end" or key == "meta >" or key == "G"

702

# or key == ">"):

704

703

# pass # xxx end-of-buffer

705

#elif (key == u"home" or key == u"meta <" or key == u"g"

706

# or key == u"<"):

704

#elif (key == "home" or key == "meta <" or key == "g"

705

# or key == "<"):

707

706

# pass # xxx beginning-of-buffer

708

#elif key == u"ctrl e" or key == u"$":

707

#elif key == "ctrl e" or key == "$":

709

708

# pass # xxx move-end-of-line

710

#elif key == u"ctrl a" or key == u"^":

709

#elif key == "ctrl a" or key == "^":

711

710

# pass # xxx move-beginning-of-line

712

#elif key == u"ctrl b" or key == u"meta (" or key == u"h":

711

#elif key == "ctrl b" or key == "meta (" or key == "h":

713

712

# pass # xxx left

714

#elif key == u"ctrl f" or key == u"meta )" or key == u"l":

713

#elif key == "ctrl f" or key == "meta )" or key == "l":

715

714

# pass # xxx right

716

#elif key == u"a":

715

#elif key == "a":

717

716

# pass # scroll up log

718

#elif key == u"z":

717

#elif key == "z":

719

718

# pass # scroll down log

720

719

elif self.topwidget.selectable():

721

720

self.topwidget.keypress(self.size, key)