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| 1 # -*- test-case-name: twisted.conch.test.test_filetransfer -*- | |
| 2 # Copyright (c) 2001-2008 Twisted Matrix Laboratories. | |
| 3 # See LICENSE file for details. | |
| 4 | |
| 5 | |
| 6 import os | |
| 7 import struct | |
| 8 import sys | |
| 9 | |
| 10 from twisted.trial import unittest | |
| 11 try: | |
| 12 from twisted.conch import unix | |
| 13 unix # shut up pyflakes | |
| 14 except ImportError: | |
| 15 unix = None | |
| 16 try: | |
| 17 del sys.modules['twisted.conch.unix'] # remove the bad import | |
| 18 except KeyError: | |
| 19 # In Python 2.4, the bad import has already been cleaned up for us. | |
| 20 # Hooray. | |
| 21 pass | |
| 22 | |
| 23 from twisted.conch import avatar | |
| 24 from twisted.conch.ssh import common, connection, filetransfer, session | |
| 25 from twisted.internet import defer | |
| 26 from twisted.protocols import loopback | |
| 27 from twisted.python import components | |
| 28 | |
| 29 | |
| 30 class TestAvatar(avatar.ConchUser): | |
| 31 def __init__(self): | |
| 32 avatar.ConchUser.__init__(self) | |
| 33 self.channelLookup['session'] = session.SSHSession | |
| 34 self.subsystemLookup['sftp'] = filetransfer.FileTransferServer | |
| 35 | |
| 36 def _runAsUser(self, f, *args, **kw): | |
| 37 try: | |
| 38 f = iter(f) | |
| 39 except TypeError: | |
| 40 f = [(f, args, kw)] | |
| 41 for i in f: | |
| 42 func = i[0] | |
| 43 args = len(i)>1 and i[1] or () | |
| 44 kw = len(i)>2 and i[2] or {} | |
| 45 r = func(*args, **kw) | |
| 46 return r | |
| 47 | |
| 48 | |
| 49 class FileTransferTestAvatar(TestAvatar): | |
| 50 | |
| 51 def __init__(self, homeDir): | |
| 52 TestAvatar.__init__(self) | |
| 53 self.homeDir = homeDir | |
| 54 | |
| 55 def getHomeDir(self): | |
| 56 return os.path.join(os.getcwd(), self.homeDir) | |
| 57 | |
| 58 | |
| 59 class ConchSessionForTestAvatar: | |
| 60 | |
| 61 def __init__(self, avatar): | |
| 62 self.avatar = avatar | |
| 63 | |
| 64 if unix: | |
| 65 if not hasattr(unix, 'SFTPServerForUnixConchUser'): | |
| 66 # unix should either be a fully working module, or None. I'm not sure | |
| 67 # how this happens, but on win32 it does. Try to cope. --spiv. | |
| 68 import warnings | |
| 69 warnings.warn(("twisted.conch.unix imported %r, " | |
| 70 "but doesn't define SFTPServerForUnixConchUser'") | |
| 71 % (unix,)) | |
| 72 unix = None | |
| 73 else: | |
| 74 class FileTransferForTestAvatar(unix.SFTPServerForUnixConchUser): | |
| 75 | |
| 76 def gotVersion(self, version, otherExt): | |
| 77 return {'conchTest' : 'ext data'} | |
| 78 | |
| 79 def extendedRequest(self, extName, extData): | |
| 80 if extName == 'testExtendedRequest': | |
| 81 return 'bar' | |
| 82 raise NotImplementedError | |
| 83 | |
| 84 components.registerAdapter(FileTransferForTestAvatar, | |
| 85 TestAvatar, | |
| 86 filetransfer.ISFTPServer) | |
| 87 | |
| 88 class SFTPTestBase(unittest.TestCase): | |
| 89 | |
| 90 def setUp(self): | |
| 91 self.testDir = self.mktemp() | |
| 92 # Give the testDir another level so we can safely "cd .." from it in | |
| 93 # tests. | |
| 94 self.testDir = os.path.join(self.testDir, 'extra') | |
| 95 os.makedirs(os.path.join(self.testDir, 'testDirectory')) | |
| 96 | |
| 97 f = file(os.path.join(self.testDir, 'testfile1'),'w') | |
| 98 f.write('a'*10+'b'*10) | |
| 99 f.write(file('/dev/urandom').read(1024*64)) # random data | |
| 100 os.chmod(os.path.join(self.testDir, 'testfile1'), 0644) | |
| 101 file(os.path.join(self.testDir, 'testRemoveFile'), 'w').write('a') | |
| 102 file(os.path.join(self.testDir, 'testRenameFile'), 'w').write('a') | |
| 103 file(os.path.join(self.testDir, '.testHiddenFile'), 'w').write('a') | |
| 104 | |
| 105 | |
| 106 class TestOurServerOurClient(SFTPTestBase): | |
| 107 | |
| 108 if not unix: | |
| 109 skip = "can't run on non-posix computers" | |
| 110 | |
| 111 def setUp(self): | |
| 112 SFTPTestBase.setUp(self) | |
| 113 | |
| 114 self.avatar = FileTransferTestAvatar(self.testDir) | |
| 115 self.server = filetransfer.FileTransferServer(avatar=self.avatar) | |
| 116 clientTransport = loopback.LoopbackRelay(self.server) | |
| 117 | |
| 118 self.client = filetransfer.FileTransferClient() | |
| 119 self._serverVersion = None | |
| 120 self._extData = None | |
| 121 def _(serverVersion, extData): | |
| 122 self._serverVersion = serverVersion | |
| 123 self._extData = extData | |
| 124 self.client.gotServerVersion = _ | |
| 125 serverTransport = loopback.LoopbackRelay(self.client) | |
| 126 self.client.makeConnection(clientTransport) | |
| 127 self.server.makeConnection(serverTransport) | |
| 128 | |
| 129 self.clientTransport = clientTransport | |
| 130 self.serverTransport = serverTransport | |
| 131 | |
| 132 self._emptyBuffers() | |
| 133 | |
| 134 | |
| 135 def _emptyBuffers(self): | |
| 136 while self.serverTransport.buffer or self.clientTransport.buffer: | |
| 137 self.serverTransport.clearBuffer() | |
| 138 self.clientTransport.clearBuffer() | |
| 139 | |
| 140 | |
| 141 def testServerVersion(self): | |
| 142 self.failUnlessEqual(self._serverVersion, 3) | |
| 143 self.failUnlessEqual(self._extData, {'conchTest' : 'ext data'}) | |
| 144 | |
| 145 def testOpenFileIO(self): | |
| 146 d = self.client.openFile("testfile1", filetransfer.FXF_READ | | |
| 147 filetransfer.FXF_WRITE, {}) | |
| 148 self._emptyBuffers() | |
| 149 | |
| 150 def _fileOpened(openFile): | |
| 151 self.failUnlessEqual(openFile, filetransfer.ISFTPFile(openFile)) | |
| 152 d = _readChunk(openFile) | |
| 153 d.addCallback(_writeChunk, openFile) | |
| 154 return d | |
| 155 | |
| 156 def _readChunk(openFile): | |
| 157 d = openFile.readChunk(0, 20) | |
| 158 self._emptyBuffers() | |
| 159 d.addCallback(self.failUnlessEqual, 'a'*10 + 'b'*10) | |
| 160 return d | |
| 161 | |
| 162 def _writeChunk(_, openFile): | |
| 163 d = openFile.writeChunk(20, 'c'*10) | |
| 164 self._emptyBuffers() | |
| 165 d.addCallback(_readChunk2, openFile) | |
| 166 return d | |
| 167 | |
| 168 def _readChunk2(_, openFile): | |
| 169 d = openFile.readChunk(0, 30) | |
| 170 self._emptyBuffers() | |
| 171 d.addCallback(self.failUnlessEqual, 'a'*10 + 'b'*10 + 'c'*10) | |
| 172 return d | |
| 173 | |
| 174 d.addCallback(_fileOpened) | |
| 175 return d | |
| 176 | |
| 177 def testClosedFileGetAttrs(self): | |
| 178 d = self.client.openFile("testfile1", filetransfer.FXF_READ | | |
| 179 filetransfer.FXF_WRITE, {}) | |
| 180 self._emptyBuffers() | |
| 181 | |
| 182 def _getAttrs(_, openFile): | |
| 183 d = openFile.getAttrs() | |
| 184 self._emptyBuffers() | |
| 185 return d | |
| 186 | |
| 187 def _err(f): | |
| 188 self.flushLoggedErrors() | |
| 189 return f | |
| 190 | |
| 191 def _close(openFile): | |
| 192 d = openFile.close() | |
| 193 self._emptyBuffers() | |
| 194 d.addCallback(_getAttrs, openFile) | |
| 195 d.addErrback(_err) | |
| 196 return self.assertFailure(d, filetransfer.SFTPError) | |
| 197 | |
| 198 d.addCallback(_close) | |
| 199 return d | |
| 200 | |
| 201 def testOpenFileAttributes(self): | |
| 202 d = self.client.openFile("testfile1", filetransfer.FXF_READ | | |
| 203 filetransfer.FXF_WRITE, {}) | |
| 204 self._emptyBuffers() | |
| 205 | |
| 206 def _getAttrs(openFile): | |
| 207 d = openFile.getAttrs() | |
| 208 self._emptyBuffers() | |
| 209 d.addCallback(_getAttrs2) | |
| 210 return d | |
| 211 | |
| 212 def _getAttrs2(attrs1): | |
| 213 d = self.client.getAttrs('testfile1') | |
| 214 self._emptyBuffers() | |
| 215 d.addCallback(self.failUnlessEqual, attrs1) | |
| 216 return d | |
| 217 | |
| 218 return d.addCallback(_getAttrs) | |
| 219 | |
| 220 | |
| 221 def testOpenFileSetAttrs(self): | |
| 222 # XXX test setAttrs | |
| 223 # Ok, how about this for a start? It caught a bug :) -- spiv. | |
| 224 d = self.client.openFile("testfile1", filetransfer.FXF_READ | | |
| 225 filetransfer.FXF_WRITE, {}) | |
| 226 self._emptyBuffers() | |
| 227 | |
| 228 def _getAttrs(openFile): | |
| 229 d = openFile.getAttrs() | |
| 230 self._emptyBuffers() | |
| 231 d.addCallback(_setAttrs) | |
| 232 return d | |
| 233 | |
| 234 def _setAttrs(attrs): | |
| 235 attrs['atime'] = 0 | |
| 236 d = self.client.setAttrs('testfile1', attrs) | |
| 237 self._emptyBuffers() | |
| 238 d.addCallback(_getAttrs2) | |
| 239 d.addCallback(self.failUnlessEqual, attrs) | |
| 240 return d | |
| 241 | |
| 242 def _getAttrs2(_): | |
| 243 d = self.client.getAttrs('testfile1') | |
| 244 self._emptyBuffers() | |
| 245 return d | |
| 246 | |
| 247 d.addCallback(_getAttrs) | |
| 248 return d | |
| 249 | |
| 250 | |
| 251 def test_openFileExtendedAttributes(self): | |
| 252 """ | |
| 253 Check that L{filetransfer.FileTransferClient.openFile} can send | |
| 254 extended attributes, that should be extracted server side. By default, | |
| 255 they are ignored, so we just verify they are correctly parsed. | |
| 256 """ | |
| 257 savedAttributes = {} | |
| 258 def openFile(filename, flags, attrs): | |
| 259 savedAttributes.update(attrs) | |
| 260 self.server.client.openFile = openFile | |
| 261 | |
| 262 d = self.client.openFile("testfile1", filetransfer.FXF_READ | | |
| 263 filetransfer.FXF_WRITE, {"ext_foo": "bar"}) | |
| 264 self._emptyBuffers() | |
| 265 | |
| 266 def check(ign): | |
| 267 self.assertEquals(savedAttributes, {"ext_foo": "bar"}) | |
| 268 | |
| 269 return d.addCallback(check) | |
| 270 | |
| 271 | |
| 272 def testRemoveFile(self): | |
| 273 d = self.client.getAttrs("testRemoveFile") | |
| 274 self._emptyBuffers() | |
| 275 def _removeFile(ignored): | |
| 276 d = self.client.removeFile("testRemoveFile") | |
| 277 self._emptyBuffers() | |
| 278 return d | |
| 279 d.addCallback(_removeFile) | |
| 280 d.addCallback(_removeFile) | |
| 281 return self.assertFailure(d, filetransfer.SFTPError) | |
| 282 | |
| 283 def testRenameFile(self): | |
| 284 d = self.client.getAttrs("testRenameFile") | |
| 285 self._emptyBuffers() | |
| 286 def _rename(attrs): | |
| 287 d = self.client.renameFile("testRenameFile", "testRenamedFile") | |
| 288 self._emptyBuffers() | |
| 289 d.addCallback(_testRenamed, attrs) | |
| 290 return d | |
| 291 def _testRenamed(_, attrs): | |
| 292 d = self.client.getAttrs("testRenamedFile") | |
| 293 self._emptyBuffers() | |
| 294 d.addCallback(self.failUnlessEqual, attrs) | |
| 295 return d.addCallback(_rename) | |
| 296 | |
| 297 def testDirectoryBad(self): | |
| 298 d = self.client.getAttrs("testMakeDirectory") | |
| 299 self._emptyBuffers() | |
| 300 return self.assertFailure(d, filetransfer.SFTPError) | |
| 301 | |
| 302 def testDirectoryCreation(self): | |
| 303 d = self.client.makeDirectory("testMakeDirectory", {}) | |
| 304 self._emptyBuffers() | |
| 305 | |
| 306 def _getAttrs(_): | |
| 307 d = self.client.getAttrs("testMakeDirectory") | |
| 308 self._emptyBuffers() | |
| 309 return d | |
| 310 | |
| 311 # XXX not until version 4/5 | |
| 312 # self.failUnlessEqual(filetransfer.FILEXFER_TYPE_DIRECTORY&attrs['type'
], | |
| 313 # filetransfer.FILEXFER_TYPE_DIRECTORY) | |
| 314 | |
| 315 def _removeDirectory(_): | |
| 316 d = self.client.removeDirectory("testMakeDirectory") | |
| 317 self._emptyBuffers() | |
| 318 return d | |
| 319 | |
| 320 d.addCallback(_getAttrs) | |
| 321 d.addCallback(_removeDirectory) | |
| 322 d.addCallback(_getAttrs) | |
| 323 return self.assertFailure(d, filetransfer.SFTPError) | |
| 324 | |
| 325 def testOpenDirectory(self): | |
| 326 d = self.client.openDirectory('') | |
| 327 self._emptyBuffers() | |
| 328 files = [] | |
| 329 | |
| 330 def _getFiles(openDir): | |
| 331 def append(f): | |
| 332 files.append(f) | |
| 333 return openDir | |
| 334 d = defer.maybeDeferred(openDir.next) | |
| 335 self._emptyBuffers() | |
| 336 d.addCallback(append) | |
| 337 d.addCallback(_getFiles) | |
| 338 d.addErrback(_close, openDir) | |
| 339 return d | |
| 340 | |
| 341 def _checkFiles(ignored): | |
| 342 fs = list(zip(*files)[0]) | |
| 343 fs.sort() | |
| 344 self.failUnlessEqual(fs, | |
| 345 ['.testHiddenFile', 'testDirectory', | |
| 346 'testRemoveFile', 'testRenameFile', | |
| 347 'testfile1']) | |
| 348 | |
| 349 def _close(_, openDir): | |
| 350 d = openDir.close() | |
| 351 self._emptyBuffers() | |
| 352 return d | |
| 353 | |
| 354 d.addCallback(_getFiles) | |
| 355 d.addCallback(_checkFiles) | |
| 356 return d | |
| 357 | |
| 358 def testLinkDoesntExist(self): | |
| 359 d = self.client.getAttrs('testLink') | |
| 360 self._emptyBuffers() | |
| 361 return self.assertFailure(d, filetransfer.SFTPError) | |
| 362 | |
| 363 def testLinkSharesAttrs(self): | |
| 364 d = self.client.makeLink('testLink', 'testfile1') | |
| 365 self._emptyBuffers() | |
| 366 def _getFirstAttrs(_): | |
| 367 d = self.client.getAttrs('testLink', 1) | |
| 368 self._emptyBuffers() | |
| 369 return d | |
| 370 def _getSecondAttrs(firstAttrs): | |
| 371 d = self.client.getAttrs('testfile1') | |
| 372 self._emptyBuffers() | |
| 373 d.addCallback(self.assertEqual, firstAttrs) | |
| 374 return d | |
| 375 d.addCallback(_getFirstAttrs) | |
| 376 return d.addCallback(_getSecondAttrs) | |
| 377 | |
| 378 def testLinkPath(self): | |
| 379 d = self.client.makeLink('testLink', 'testfile1') | |
| 380 self._emptyBuffers() | |
| 381 def _readLink(_): | |
| 382 d = self.client.readLink('testLink') | |
| 383 self._emptyBuffers() | |
| 384 d.addCallback(self.failUnlessEqual, | |
| 385 os.path.join(os.getcwd(), self.testDir, 'testfile1')) | |
| 386 return d | |
| 387 def _realPath(_): | |
| 388 d = self.client.realPath('testLink') | |
| 389 self._emptyBuffers() | |
| 390 d.addCallback(self.failUnlessEqual, | |
| 391 os.path.join(os.getcwd(), self.testDir, 'testfile1')) | |
| 392 return d | |
| 393 d.addCallback(_readLink) | |
| 394 d.addCallback(_realPath) | |
| 395 return d | |
| 396 | |
| 397 def testExtendedRequest(self): | |
| 398 d = self.client.extendedRequest('testExtendedRequest', 'foo') | |
| 399 self._emptyBuffers() | |
| 400 d.addCallback(self.failUnlessEqual, 'bar') | |
| 401 d.addCallback(self._cbTestExtendedRequest) | |
| 402 return d | |
| 403 | |
| 404 def _cbTestExtendedRequest(self, ignored): | |
| 405 d = self.client.extendedRequest('testBadRequest', '') | |
| 406 self._emptyBuffers() | |
| 407 return self.assertFailure(d, NotImplementedError) | |
| 408 | |
| 409 | |
| 410 class FakeConn: | |
| 411 def sendClose(self, channel): | |
| 412 pass | |
| 413 | |
| 414 | |
| 415 class TestFileTransferClose(unittest.TestCase): | |
| 416 | |
| 417 if not unix: | |
| 418 skip = "can't run on non-posix computers" | |
| 419 | |
| 420 def setUp(self): | |
| 421 self.avatar = TestAvatar() | |
| 422 | |
| 423 def buildServerConnection(self): | |
| 424 # make a server connection | |
| 425 conn = connection.SSHConnection() | |
| 426 # server connections have a 'self.transport.avatar'. | |
| 427 class DummyTransport: | |
| 428 def __init__(self): | |
| 429 self.transport = self | |
| 430 def sendPacket(self, kind, data): | |
| 431 pass | |
| 432 def logPrefix(self): | |
| 433 return 'dummy transport' | |
| 434 conn.transport = DummyTransport() | |
| 435 conn.transport.avatar = self.avatar | |
| 436 return conn | |
| 437 | |
| 438 def interceptConnectionLost(self, sftpServer): | |
| 439 self.connectionLostFired = False | |
| 440 origConnectionLost = sftpServer.connectionLost | |
| 441 def connectionLost(reason): | |
| 442 self.connectionLostFired = True | |
| 443 origConnectionLost(reason) | |
| 444 sftpServer.connectionLost = connectionLost | |
| 445 | |
| 446 def assertSFTPConnectionLost(self): | |
| 447 self.assertTrue(self.connectionLostFired, | |
| 448 "sftpServer's connectionLost was not called") | |
| 449 | |
| 450 def test_sessionClose(self): | |
| 451 """ | |
| 452 Closing a session should notify an SFTP subsystem launched by that | |
| 453 session. | |
| 454 """ | |
| 455 # make a session | |
| 456 testSession = session.SSHSession(conn=FakeConn(), avatar=self.avatar) | |
| 457 | |
| 458 # start an SFTP subsystem on the session | |
| 459 testSession.request_subsystem(common.NS('sftp')) | |
| 460 sftpServer = testSession.client.transport.proto | |
| 461 | |
| 462 # intercept connectionLost so we can check that it's called | |
| 463 self.interceptConnectionLost(sftpServer) | |
| 464 | |
| 465 # close session | |
| 466 testSession.closeReceived() | |
| 467 | |
| 468 self.assertSFTPConnectionLost() | |
| 469 | |
| 470 def test_clientClosesChannelOnConnnection(self): | |
| 471 """ | |
| 472 A client sending CHANNEL_CLOSE should trigger closeReceived on the | |
| 473 associated channel instance. | |
| 474 """ | |
| 475 conn = self.buildServerConnection() | |
| 476 | |
| 477 # somehow get a session | |
| 478 packet = common.NS('session') + struct.pack('>L', 0) * 3 | |
| 479 conn.ssh_CHANNEL_OPEN(packet) | |
| 480 sessionChannel = conn.channels[0] | |
| 481 | |
| 482 sessionChannel.request_subsystem(common.NS('sftp')) | |
| 483 sftpServer = sessionChannel.client.transport.proto | |
| 484 self.interceptConnectionLost(sftpServer) | |
| 485 | |
| 486 # intercept closeReceived | |
| 487 self.interceptConnectionLost(sftpServer) | |
| 488 | |
| 489 # close the connection | |
| 490 conn.ssh_CHANNEL_CLOSE(struct.pack('>L', 0)) | |
| 491 | |
| 492 self.assertSFTPConnectionLost() | |
| 493 | |
| 494 | |
| 495 def test_stopConnectionServiceClosesChannel(self): | |
| 496 """ | |
| 497 Closing an SSH connection should close all sessions within it. | |
| 498 """ | |
| 499 conn = self.buildServerConnection() | |
| 500 | |
| 501 # somehow get a session | |
| 502 packet = common.NS('session') + struct.pack('>L', 0) * 3 | |
| 503 conn.ssh_CHANNEL_OPEN(packet) | |
| 504 sessionChannel = conn.channels[0] | |
| 505 | |
| 506 sessionChannel.request_subsystem(common.NS('sftp')) | |
| 507 sftpServer = sessionChannel.client.transport.proto | |
| 508 self.interceptConnectionLost(sftpServer) | |
| 509 | |
| 510 # close the connection | |
| 511 conn.serviceStopped() | |
| 512 | |
| 513 self.assertSFTPConnectionLost() | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 12261012:
Remove third_party/twisted_8_1 (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/tools/build