/mandos/release : revision 237.7.12

22

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

23

#

24

25

from __future__ import division, absolute_import, print_function, unicode_literals

25

from __future__ import division, absolute_import, with_statement

26

27

import sys

28

import os

42

43

import locale

44

45

locale.setlocale(locale.LC_ALL, '')

45

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

46

47

import logging

48

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

65

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

66

if not iso:

67

return None

68

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

69

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

70

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

68

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

69

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

70

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

89

self.proxy.connect_to_signal(u"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("")

130

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

131

# The widget shown when we have focus

132

self._focus_text_widget = urwid.Text("")

132

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

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

["LastCheckedOK"])

140

[u"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

["Interval"]))

149

[u"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("CheckerCompleted",

157

self.proxy.connect_to_signal(u"CheckerCompleted",

158

self.checker_completed,

159

client_interface,

160

byte_arrays=True)

161

self.proxy.connect_to_signal("CheckerStarted",

161

self.proxy.connect_to_signal(u"CheckerStarted",

162

self.checker_started,

163

client_interface,

164

byte_arrays=True)

165

self.proxy.connect_to_signal("GotSecret",

165

self.proxy.connect_to_signal(u"GotSecret",

166

self.got_secret,

167

client_interface,

168

byte_arrays=True)

169

self.proxy.connect_to_signal("NeedApproval",

169

self.proxy.connect_to_signal(u"NeedApproval",

170

self.need_approval,

171

client_interface,

172

byte_arrays=True)

173

self.proxy.connect_to_signal("Rejected",

173

self.proxy.connect_to_signal(u"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 == "ApprovalPending":

181

if property == u"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('Checker for client %s (command "%s")'

207

# ' was successful'

208

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

206

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

207

# u' was successful'

208

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

217

' failed with exit code %s'

218

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

216

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

217

u' failed with exit code %s'

218

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

219

os.WEXITSTATUS(condition)))

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,

221

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

222

u' was killed by signal %s'

223

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

224

os.WTERMSIG(condition)))

225

elif os.WCOREDUMP(condition):

226

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

227

' dumped core'

228

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

226

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

227

u' dumped core'

228

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

229

else:

230

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

231

' mysteriously')

230

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

231

u' mysteriously')

232

self.update()

233

234

def checker_started(self, command):

235

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

236

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

235

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

236

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

237

pass

238

239

def got_secret(self):

240

self.last_checker_failed = False

241

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

242

% self.properties["Name"])

241

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

242

% self.properties[u"Name"])

243

244

def need_approval(self, timeout, default):

245

if not default:

246

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

246

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

247

else:

248

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

248

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

249

self.logger(message

250

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

250

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

251

self.using_timer(True)

252

253

def rejected(self, reason):

254

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

255

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

254

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

255

% (self.properties[u"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, maxcolrow, focus=False):

262

def rows(self, (maxcol,), 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(maxcolrow, focus=focus)

266

return self.current_widget(focus).rows((maxcol,), 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 = { "normal": "standout",

277

"bold": "bold-standout",

278

"underline-blink":

279

"underline-blink-standout",

280

"bold-underline-blink":

281

"bold-underline-blink-standout",

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",

282

}

283

284

# Rebuild focus and non-focus widgets using current properties

285

286

# Base part of a client. Name!

287

base = ('%(name)s: '

288

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

289

if not self.properties["Enabled"]:

290

message = "DISABLED"

291

elif self.properties["ApprovalPending"]:

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"]:

292

timeout = datetime.timedelta(milliseconds

293

= self.properties

294

["ApprovalDelay"])

294

[u"ApprovalDelay"])

295

last_approval_request = isoformat_to_datetime(

296

self.properties["LastApprovalRequest"])

296

self.properties[u"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["ApprovedByDefault"]:

303

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

302

if self.properties[u"ApprovedByDefault"]:

303

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

304

else:

305

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

305

message = u"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

["Timeout"])

310

[u"Timeout"])

311

last_ok = isoformat_to_datetime(

312

max((self.properties["LastCheckedOK"]

313

or self.properties["Created"]),

314

self.properties["LastEnabled"]))

312

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

313

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

314

self.properties[u"LastEnabled"]))

315

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

316

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

317

' gets disabled: %s'

316

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

317

u' gets disabled: %s'

318

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

319

else:

320

message = "enabled"

320

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

325

textlist = [(u"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, maxcolrow, focus=False):

351

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

352

"""Render differently if we have focus.

353

This overrides the method from urwid.FlowWidget"""

354

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

354

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

355

focus=focus)

356

357

def keypress(self, maxcolrow, key):

357

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

358

"""Handle keys.

359

This overrides the method from urwid.FlowWidget"""

360

if key == "+":

360

if key == u"+":

361

self.proxy.Enable(dbus_interface = client_interface)

362

elif key == "-":

362

elif key == u"-":

363

self.proxy.Disable(dbus_interface = client_interface)

364

elif key == "a":

364

elif key == u"a":

365

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

366

dbus_interface = client_interface)

367

elif key == "d":

367

elif key == u"d":

368

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

369

dbus_interface = client_interface)

370

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

370

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

371

self.server_proxy_object.RemoveClient(self.proxy

372

.object_path)

373

elif key == "s":

373

elif key == u"s":

374

self.proxy.StartChecker(dbus_interface = client_interface)

375

elif key == "S":

375

elif key == u"S":

376

self.proxy.StopChecker(dbus_interface = client_interface)

377

elif key == "C":

377

elif key == u"C":

378

self.proxy.CheckedOK(dbus_interface = client_interface)

379

# xxx

380

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

380

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

381

# self.proxy.pause()

382

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

382

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

383

# self.proxy.unpause()

384

# elif key == "RET":

384

# elif key == u"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, maxcolrow, key):

407

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

408

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

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"):

409

410

return

410

411

return ret

411

412

420

421

self.screen = urwid.curses_display.Screen()

421

422

423

self.screen.register_palette((

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")),

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")),

440

441

))

441

442

443

if urwid.supports_unicode():

443

self.divider = "─" # \u2500

444

#self.divider = "━" # \u2501

444

self.divider = u"─" # \u2500

445

#self.divider = u"━" # \u2501

445

446

else:

446

#self.divider = "-" # \u002d

447

self.divider = "_" # \u005f

447

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

448

self.divider = u"_" # \u005f

448

449

450

self.screen.start()

450

451

464

465

# This keeps track of whether self.uilist currently has

465

466

# self.logbox in it or not

466

467

self.log_visible = True

467

self.log_wrap = "any"

468

self.log_wrap = u"any"

468

469

470

self.rebuild()

470

self.log_message_raw(("bold",

471

"Mandos Monitor version " + version))

472

self.log_message_raw(("bold",

473

"q: Quit ?: Help"))

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"))

474

475

476

self.busname = domain + '.Mandos'

476

477

self.main_loop = gobject.MainLoop()

477

478

self.bus = dbus.SystemBus()

478

479

mandos_dbus_objc = self.bus.get_object(

479

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

480

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

480

481

self.mandos_serv = dbus.Interface(mandos_dbus_objc,

481

482

dbus_interface

482

483

= server_interface)

487

488

mandos_clients = dbus.Dictionary()

488

489

490

(self.mandos_serv

490

.connect_to_signal("ClientRemoved",

491

.connect_to_signal(u"ClientRemoved",

491

492

self.find_and_remove_client,

492

493

dbus_interface=server_interface,

493

494

byte_arrays=True))

494

495

(self.mandos_serv

495

.connect_to_signal("ClientAdded",

496

.connect_to_signal(u"ClientAdded",

496

497

self.add_new_client,

497

498

dbus_interface=server_interface,

498

499

byte_arrays=True))

499

500

(self.mandos_serv

500

.connect_to_signal("ClientNotFound",

501

.connect_to_signal(u"ClientNotFound",

501

502

self.client_not_found,

502

503

dbus_interface=server_interface,

503

504

byte_arrays=True))

518

519

path=path)

519

520

521

def client_not_found(self, fingerprint, address):

521

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

522

" could not be found" % (address,

522

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

523

u" could not be found" % (address,

523

524

fingerprint)))

524

525

526

def rebuild(self):

541

542

543

def log_message(self, message):

543

544

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

544

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

545

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

545

546

547

def log_message_raw(self, markup):

547

548

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

550

551

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

551

552

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

552

553

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

553

coming_from="above")

554

coming_from=u"above")

554

555

self.refresh()

555

556

557

def toggle_log_display(self):

557

558

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

558

559

self.log_visible = not self.log_visible

559

560

self.rebuild()

560

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

561

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

561

562

# + unicode(self.log_visible))

562

563

564

def change_log_display(self):

564

565

"""Change type of log display.

565

566

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

566

if self.log_wrap == "clip":

567

self.log_wrap = "any"

567

if self.log_wrap == u"clip":

568

self.log_wrap = u"any"

568

569

else:

569

self.log_wrap = "clip"

570

self.log_wrap = u"clip"

570

571

for textwidget in self.log:

571

572

textwidget.set_wrap_mode(self.log_wrap)

572

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

573

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

573

574

575

def find_and_remove_client(self, path, name):

575

576

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

602

603

if path is None:

603

604

path = client.proxy.object_path

604

605

self.clients_dict[path] = client

605

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

606

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

606

607

self.refresh()

607

608

609

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

639

640

641

def process_input(self, source, condition):

641

642

keys = self.screen.get_input()

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

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

651

652

}

652

653

for key in keys:

653

654

try:

655

656

except KeyError: # :-)

656

657

pass

657

658

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

659

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

659

660

self.stop()

660

661

break

661

elif key == "window resize":

662

elif key == u"window resize":

662

663

self.size = self.screen.get_cols_rows()

663

664

self.refresh()

664

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

665

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

665

666

self.refresh()

666

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

667

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

667

668

self.toggle_log_display()

668

669

self.refresh()

669

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

670

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

670

671

self.change_log_display()

671

672

self.refresh()

672

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

673

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

673

674

if not self.log_visible:

674

675

self.log_visible = True

675

676

self.rebuild()

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"))))

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"))))

694

695

self.refresh()

695

elif key == "tab":

696

elif key == u"tab":

696

697

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

697

698

self.topwidget.set_focus(0)

698

699

else:

699

700

self.topwidget.set_focus(self.logbox)

700

701

self.refresh()

701

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

702

# or key == ">"):

702

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

703

# or key == u">"):

703

704

# pass # xxx end-of-buffer

704

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

705

# or key == "<"):

705

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

706

# or key == u"<"):

706

707

# pass # xxx beginning-of-buffer

707

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

708

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

708

709

# pass # xxx move-end-of-line

709

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

710

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

710

711

# pass # xxx move-beginning-of-line

711

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

712

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

712

713

# pass # xxx left

713

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

714

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

714

715

# pass # xxx right

715

#elif key == "a":

716

#elif key == u"a":

716

717

# pass # scroll up log

717

#elif key == "z":

718

#elif key == u"z":

718

719

# pass # scroll down log

719

720

elif self.topwidget.selectable():

720

721

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