}8'h^ddlZddlZddlZddlZddlmZddlmZddlm Z ddl m Z m Z ddl mZddlmZddlmZmZmZdd lmZdd lmZdd lmZmZmZdd lmZdd lm Z ddl!m"Z"ddl#m$Z$m%Z%ddl&m'Z'm(Z( ddl m)Z)m*Z*e"dZ,e,rddl-m.Z.ddl/m0Z0m1Z1m2Z2nddl3m0Z0GddZ. ddl4m1Z5e5Z6GddZ:Gdde(Z;GddejxZ=Gdd ej|Z?Gd!d"ejZAGd#d$ejZBGd%d&ejxZCd Tests for L{twisted.conch.scripts.conch.SSHSession}. Nct}t}||_|j|j |j y)z} L{twisted.conch.scripts.conch.SSHSession.eofReceived} loses the write half of its stdio connection. N)r)StdioInteractingSessionstdio eofReceived assertTruer+)r-r4channels r'test_eofReceivedz-StdioInteractingSessionTests.test_eofReceivedSs8  )+  ++,r&)r"r#r$r/r3_reasonskipr8r%r&r'r1r1Ks& -r&r1ceZdZdZdZdZy)Echoc.tjdy)NzECHO CONNECTION MADErmsgr,s r'connectionMadezEcho.connectionMade` &'r&c.tjdy)NzECHO CONNECTION DONEr>r-reasons r'connectionLostzEcho.connectionLostcrAr&cx|jj|d|vr|jjyy)N ) transportwriteloseConnectionr-datas r' dataReceivedzEcho.dataReceivedfs0 T" D= NN ) ) + r&N)r"r#r$r@rErMr%r&r'r<r<_s((,r&r<ceZdZeZy) EchoFactoryN)r"r#r$r<r r%r&r'rOrOlsHr&rOc4eZdZdZdZdZdZdZdZdZ dZ y)ConchTestOpenSSHProcessa Test protocol for launching an OpenSSH client process. @ivar deferred: Set by whatever uses this object. Accessed using L{_getDeferred}, which destroys the value so the Deferred is not fired twice. Fires when the process is terminated. Nr&c.|jdc}|_|SNdeferredr-ds r' _getDeferredz$ConchTestOpenSSHProcess._getDeferred}==$4=r&c.|xj|z c_yrS)bufrKs r' outReceivedz#ConchTestOpenSSHProcess.outReceiveds Dr&c.|xj|z c_yrS)problemsrKs r' errReceivedz#ConchTestOpenSSHProcess.errReceiveds  r&c x|jjdk7rf|jjt dj |jj|j jdy|jjdd}|jj|y)z~ Called when the process has ended. @param reason: a Failure giving the reason for the process' end. rzexit code was not 0: {} ({})charmaps rGN) valueexitCoderXerrbackrformatr^decoder[replacecallback)r-rDr[s r' processEndedz$ConchTestOpenSSHProcess.processEndeds << A %     ' '299 -- ,,Y7 ((""7E2C     ( ( -r&) r"r#r$r/rUr[r^rXr\r_rir%r&r'rQrQps,H CH.r&rQcDeZdZdZdZdZdZdZdZdZ dZ d Z d Z y) ConchTestForwardingProcessa Manages a third-party process which launches a server. Uses L{ConchTestForwardingPort} to connect to the third-party server. Once L{ConchTestForwardingPort} has disconnected, kill the process and fire a Deferred with the data received by the L{ConchTestForwardingPort}. @ivar deferred: Set by whatever uses this object. Accessed using L{_getDeferred}, which destroys the value so the Deferred is not fired twice. Fires when the process is terminated. Nc.||_d|_||_y)aF @type port: L{int} @param port: The port on which the third-party server is listening. (it is assumed that the server is running on localhost). @type data: L{str} @param data: This is sent to the third-party server. Must end with ' ' in order to trigger a disconnect. N)portbufferrL)r-rmrLs r'__init__z#ConchTestForwardingProcess.__init__s   r&c.|jdc}|_|SrSrTrVs r'rXz'ConchTestForwardingProcess._getDeferredrYr&c$|jyrS)_connectr,s r'r@z)ConchTestForwardingProcess.connectionMades  r&ctjtt||j}|j d|j }|j|j|S)a Connect to the server, which is often a third-party process. Tries to reconnect if it fails because we have no way of determining exactly when the port becomes available for listening -- we can only know when the process starts. 127.0.0.1) r ClientCreatorr ConchTestForwardingPortrL connectTCPrm addErrback _ebConnect)r-ccrWs r'rrz#ConchTestForwardingProcess._connectsH # #G-DdDII V MM+tyy 1 T__%r&cDtjd|jy)Ng?)r callLaterrr)r-fs r'ryz%ConchTestForwardingProcess._ebConnects#t}}-r&c||_|jjd|jjt j d|j y)z The network connection has died; save the buffer of output from the network and attempt to quit the process gracefully, and then (after the reactor has spun) send it a KILL signal. rN)rnrHrIrJr r| _reallyDie)r-rns r'forwardingPortDisconnectedz5ConchTestForwardingProcess.forwardingPortDisconnectedsA   W% %%'!T__-r&cZ |jjdy#t$rYywxYw)NKILL)rH signalProcessrr,s r'rz%ConchTestForwardingProcess._reallyDies+  NN ( ( 0#   s  **cV|jj|jy)z Fire the Deferred at self.deferred with the data collected from the L{ConchTestForwardingPort} connection, if any. N)rXrhrnrCs r'riz'ConchTestForwardingProcess.processEndeds $$T[[1r&) r"r#r$r/rUrorXr@rrryrrrir%r&r'rkrks6 H  . . 2r&rkc(eZdZdZdZdZdZdZy)rvz Connects to server launched by a third-party process (managed by L{ConchTestForwardingProcess}) sends data, then reports whatever it received back to the L{ConchTestForwardingProcess} once the connection is ended. c ||_||_y)z @type protocol: L{ConchTestForwardingProcess} @param protocol: The L{ProcessProtocol} which made this connection. @type data: str @param data: The data to be sent to the third-party server. N)r rL)r-r rLs r'roz ConchTestForwardingPort.__init__s!  r&c\d|_|jj|jy)Nr&)rnrHrIrLr,s r'r@z&ConchTestForwardingPort.connectionMades  TYY'r&c.|xj|z c_yrS)rnrKs r'rMz$ConchTestForwardingPort.dataReceiveds t r&cN|jj|jyrS)r rrnrCs r'rEz&ConchTestForwardingPort.connectionLosts 00=r&N)r"r#r$r/ror@rMrEr%r&r'rvrvs (>r&rvctjd|zg}g}|t|zD]4}t|tr|j d}|j |6|S)Na$-c ### Twisted Preamble import sys, os path = os.path.abspath(sys.argv[0]) while os.path.dirname(path) != path: if os.path.basename(path).startswith('Twisted'): sys.path.insert(0, path) break path = os.path.dirname(path) from twisted.conch.scripts.%s import run run()utf-8)sys executablelist isinstancestrencodeappend)argsmodstartmadeArgsargs r' _makeArgsrsi     E"HtDz! c3 **W%C Or&cBeZdZesdZedZdZdZdZ dZ dZ y) ConchServerSetupMixinzcan't run without cryptographyctdS)Nstestuserrr%r&r' realmFactoryz"ConchServerSetupMixin.realmFactory#s k**r&cdD]7}tjj|s#tj|9t dd5}|j t dddt dd5}|j tdddtjddtdj}|jjs|jjr tdt dd5}|j dtzdddy#1swYxYw#1swYxYw#1swYyxYw) N)rsa_test rsa_test.pubkh_testrwbrizgprivate key readable by others despite chmod; possible windows permission issue? see https://tm.tl/9767rs 127.0.0.1 )ospathexistsremoveopenrIrrchmodrgetPermissionsgroupreadotherr)r-r} permissionss r' _createFilesz"ConchServerSetupMixin._createFiles's8 Aww~~a  !  *d # (q GG& ' ( .$ ' '1 GG% & ' U#z*99;    ! ![%6%6%;%;*  )T " 7a GGM$55 6 7 7 ( ( ' ' 7 7s$ D%3D1D=%D.1D:=Ectj}|jd|jd}|j|S)N)r)socketbind getsocknameclose)r-srms r' _getFreePortz"ConchServerSetupMixin._getFreePort:s6 MMO w}}q!   r&c|j}tj|}|jt t }||_|S)z Make a L{ConchTestServerFactory}, which allows us to start a L{ConchTestServer} -- i.e. an actually listening conch. )rr PortalregisterCheckerrr)r-realmpfactorys r'_makeConchFactoryz'ConchServerSetupMixin._makeConchFactoryAsF !!# MM%  356(*r&c|j|j|_d|j_t j d|jd|_t j dt|_|jjj|_ trOt j dtd|_ |jjj|_yy)Nrrrt) interfacez::1)rr conchFactoryexpectedLoseConnectionr listenTCP conchServerrO echoServergetHostrmechoPortr echoServerV6 echoPortV6r,s r'setUpzConchServerSetupMixin.setUpMs  224340",, t  K "++A{}=//166  ' 1 1![]e TD "//779>>DO r&c d|jj_|jjjj t j|jjt j|jjg}tr8|jt j|jjt j|S#t $rYwxYw)Nr)rprotodonerHrJAttributeErrorr maybeDeferredr stopListeningrrrr gatherResults)r- deferredss r'tearDownzConchServerSetupMixin.tearDownZs ?+,D   # # (    # # - - < < >    0 0 > > ?    = = >     U001B1B1P1PQ R""9--   sC00 C<;C<N) r"r#r$rr: staticmethodrrrrrrr%r&r'rrs5 /++7&  ? .r&rc"eZdZdZdZdZdZy)ForwardingMixina Template class for tests of the Conch server's ability to forward arbitrary protocols over SSH. These tests are integration tests, not unit tests. They launch a Conch server, a custom TCP server (just an L{EchoProtocol}) and then call L{execute}. L{execute} is implemented by subclasses of L{ForwardingMixin}. It should cause an SSH client to connect to the Conch server, asking it to forward data to the custom TCP server. cn|jdt}|j|jdS)z Test that we can use whatever client to send the command "echo goodbye" to the Conch server. Make sure we receive "goodbye" back from the server. echo goodbyegoodbye executerQ addCallback assertEqualrVs r' test_execzForwardingMixin.test_execxs/ LL)@)B C}}T--|<.writesxW ABw !!&&22%%~7J((*%,{{7+%r&g{Gz?N)r ProtocolmakeConnectionr rrr)r-rHrrIrs ` @r' openShellzRekeyAvatar.openShellsU!!# Y'  e!45 &(5%'* 4r&cy)z2 Ignore the close of the session. Nr%r,s r'closedzRekeyAvatar.closedr&cyrSr%r,s r'r5zRekeyAvatar.eofReceived r&cyrSr%)r-rcommands r' execCommandzRekeyAvatar.execCommandrr&cyrSr%)r-term windowSizemodess r'getPtyzRekeyAvatar.getPtyrr&cyrSr%)r- newWindowSizes r' windowChangedzRekeyAvatar.windowChangedrr&N) r"r#r$r/rorrr5rr r r%r&r'rrs+4B     r&rceZdZdZdZy) RekeyRealmzS This realm gives out new L{RekeyAvatar} instances for any avatar request. c$|dtdfS)NrcyrSr%r%r&r'z*RekeyRealm.requestAvatar..rr&)r)r-avatarIDmind interfacess r' requestAvatarzRekeyRealm.requestAvatars!}km\99r&N)r"r#r$r/rr%r&r'rrs :r&rceZdZdZeZdZy)RekeyTestsMixinzp TestCase mixin which defines tests exercising L{SSHTransportBase}'s handling of rekeying messages. cnt}jd|d}fd}|j||S)z After a client-initiated rekey is completed, application data continues to be passed over the SSH connection. rz-o RekeyLimit=2KcdjtdDcgc]}d|fz c}dz}|jd}j||ycc}w)N rz line #%02dr)joinrangerr)resultrexpectedResultr-s r'finishedz2RekeyTestsMixin.test_clientRekey..finishedsS!YYU2Y'O t(;'OPSWWN+227;N   V^ 4(Ps A)rQrr)r-rrWrs` r'test_clientRekeyz RekeyTestsMixin.test_clientRekeys8 *+ LLW&8 9 5 hr&N)r"r#r$r/rrr r%r&r'rrs Lr&rc(eZdZedsdZddZy)OpenSSHClientMixinsshz$no ssh command-line client availablechtj|_d|zdz|z}|jj j }||zj }g}|D]"}|j|jd$tj|tdd||jS)a Connects to the SSH server started in L{ConchServerSetupMixin.setUp} by running the 'ssh' command line tool. @type remoteCommand: str @param remoteCommand: The command (with arguments) to run on the remote end. @type process: L{ConchTestOpenSSHProcess} @type sshArgs: str @param sshArgs: Arguments to pass to the 'ssh' process. @return: L{defer.Deferred} zssh -2 -l testuser -p %i -F /dev/null -oIdentitiesOnly=yes -oUserKnownHostsFile=kh_test -oPasswordAuthentication=no -oHostKeyAlgorithms=ssh-rsa -a -i rsa_test 127.0.0.1 rr#r) r DeferredrUrrrmsplitrrr spawnProcessr) r- remoteCommandrrcmdlinermcmds encodedCmdscmds r'rzOpenSSHClientMixin.execute s !>>+      '')..$%%'  4C   szz'2 3 4WeEl1o{Cr&N)r)r"r#r$rr:rr%r&r'r"r"s <5* r&r"c@eZdZdZdZdZdZdZdZdZ dZ d Z y ) OpenSSHKeyExchangeTestsz\ Tests L{SSHTransportBase}'s key exchange algorithm compatibility with OpenSSH. cg} tjtddddgtj}t |t s|j d}|j}||vrt|d|jdtd |z}|j|jd S#t$rYWwxYw) aI Call execute() method of L{OpenSSHClientMixin} with an ssh option that forces the exclusive use of the key exchange algorithm specified by keyExchangeAlgo @type keyExchangeAlgo: L{str} @param keyExchangeAlgo: The key exchange algorithm to use @return: L{defer.Deferred} r#rz-Qkex)stderrrz not supported by ssh clientz echo helloz-oKexAlgorithms=shello ) subprocess check_outputrSTDOUTrrrfr' BaseExceptionrrrQrr)r-keyExchangeAlgo kexAlgorithmsoutputrWs r'assertExecuteWithKexAlgorithmz5OpenSSHKeyExchangeTests.assertExecuteWithKexAlgorithm>s  ,,ua$.z7H7HFfc*w/"LLNM - /o..JKL L LL  # %  0  }}T--z::   sA%B55 CCc$|jdS)zb The ecdh-sha2-nistp256 key exchange algorithm is compatible with OpenSSH zecdh-sha2-nistp256r:r,s r'test_ECDHSHA256z'OpenSSHKeyExchangeTests.test_ECDHSHA256^ 112FGGr&c$|jdS)zb The ecdh-sha2-nistp384 key exchange algorithm is compatible with OpenSSH zecdh-sha2-nistp384r<r,s r'test_ECDHSHA384z'OpenSSHKeyExchangeTests.test_ECDHSHA384er>r&c$|jdS)zb The ecdh-sha2-nistp521 key exchange algorithm is compatible with OpenSSH zecdh-sha2-nistp521r<r,s r'test_ECDHSHA521z'OpenSSHKeyExchangeTests.test_ECDHSHA521lr>r&c$|jdS)zl The diffie-hellman-group14-sha1 key exchange algorithm is compatible with OpenSSH. zdiffie-hellman-group14-sha1r<r,s r'test_DH_GROUP14z'OpenSSHKeyExchangeTests.test_DH_GROUP14ss 112OPPr&c$|jdS)zs The diffie-hellman-group-exchange-sha1 key exchange algorithm is compatible with OpenSSH. z"diffie-hellman-group-exchange-sha1r<r,s r'test_DH_GROUP_EXCHANGE_SHA1z3OpenSSHKeyExchangeTests.test_DH_GROUP_EXCHANGE_SHA1zs 112VWWr&c$|jdS)zu The diffie-hellman-group-exchange-sha256 key exchange algorithm is compatible with OpenSSH. z$diffie-hellman-group-exchange-sha256r<r,s r'test_DH_GROUP_EXCHANGE_SHA256z5OpenSSHKeyExchangeTests.test_DH_GROUP_EXCHANGE_SHA256s 11 2  r&cF|jt|jdy)zy The list of key exchange algorithms supported by OpenSSH client is obtained with C{ssh -Q kex}. zunsupported-algorithmN) assertRaisesrr:r,s r'test_unsupported_algorithmz2OpenSSHKeyExchangeTests.test_unsupported_algorithms  d88:Q r&N) r"r#r$r/r:r=r@rBrDrFrHrKr%r&r'r/r/8s5 ;@HHHQX  r&r/c eZdZdZedZy)OpenSSHClientForwardingTestszR Connection forwarding tests run against the OpenSSL command line client. c|j}t|d}|jd|d||jfz}|j |j d|S)zG Forwarding of arbitrary IPv6 TCP connections via SSH. rrz-N -L%i:[::1]:%ir)rrkrrrrrs r'test_localToRemoteForwardingV6z;OpenSSHClientForwardingTests.test_localToRemoteForwardingV6sb %%' ,Y B LL !3y$//6R!R   d&& 2r&N)r"r#r$r/rrOr%r&r'rMrMs  r&rMceZdZdZy)OpenSSHClientRekeyTestszE Rekeying tests run against the OpenSSL command line client. N)r"r#r$r/r%r&r'rQrQsr&rQcFeZdZdZej dk(rdZddZdZdZ y) CmdLineClientTestszP Connection forwarding tests run against the Conch command line client. win32z!can't run cmdline client on win32Nc|g}tj|_|jj j }dj ||zdz|z}t||jz}tjj}tjjtj|d<g} i} |D]4}t!|t"r|j%d}| j'|6|D]N} || } t!| t"r| j%d} t!| t"r| j%d} | | | <Pt)j*|tj,| | |jS)z{ As for L{OpenSSHClientTestCase.execute}, except it runs the 'conch' command line tool, not 'ssh'. z[-p {} -l testuser --known-hosts kh_test --user-authentications publickey -a -i rsa_test -v r% PYTHONPATHr)env)r r&rUrrrmrerr'renvironcopypathseprrrrrrrr r(r) r-r)rr conchArgsrmr-r+rWr, encodedEnvvarvals r'rzCmdLineClientTests.executesd  I >>+'')..  &,  ) ,9  9 .cb_check_logs ++-J MM.* 5r&rz--logz --logfilez--host-key-algorithmszssh-rsa)r)rr[r)rrmktemprrQrrr)r-rerWrds` @r'test_runWithLogFilez&CmdLineClientTests.test_runWithLogFiles{  6##DKKM2 LL(+- '    d&& 5 l#r&ct|jdt}|j|jd|S)zH Do not use --host-key-algorithms flag on command line. r)r)rrrrVs r'%test_runWithNoHostAlgorithmsSpecifiedz8CmdLineClientTests.test_runWithNoHostAlgorithmsSpecifieds; LL(2I2K   d&& 5r&)rN) r"r#r$r/r platformTyper:rrgrir%r&r'rSrSs,w&2# J6 r&rS)conch)Orrr3r itertoolsrzope.interfacertwisted.conch.errorrtwisted.conch.test.keydatarrtwisted.conch.test.test_sshr twisted.credr twisted.internetr r r twisted.internet.errorrtwisted.internet.taskrtwisted.pythonrrrtwisted.python.filepathrtwisted.python.procutilsrtwisted.python.reflectrtwisted.test.testutilsrrtwisted.trial.unittestrrrr ImportErrorrtwisted.conch.avatarrtwisted.conch.ssh.sessionrrr twisted.conch.interfacestwisted.conch.scripts.conch_StdioInteractingSessionr3err9r)r1rr<FactoryrOProcessProtocolrQrkrvrrrrrrr"r/rMrQrSr%r&r'rs   &*L6557-11,*0<5 ^, .LL1  7R 7""$-8-( ,8   ,(""(.h66(.VI2!9!9I2X>h//><4H.H.V/+/l XA )A A H::+2. . bY 35GY x?4F&o/A8 Q(Q[  " "!fG  s*:F6.G6F?>F?G GG