def connectionSecure(self):
self._secured = True
conn = _CommandConnection(self.factory)
userauth = SSHUserAuthClient(
self.factory.server.user, ConchOptions(), conn)
userauth.preferredOrder = ['publickey']
self.requestService(userauth)
def test_getGenericAnswers(self):
"""
L{twisted.conch.client.default.SSHUserAuthClient.getGenericAnswers}
"""
options = ConchOptions()
client = SSHUserAuthClient(b"user", options, None)
def getpass(prompt):
self.assertEqual(prompt, "pass prompt")
return "getpass"
self.patch(default.getpass, "getpass", getpass)
def raw_input(prompt):
self.assertEqual(prompt, "raw_input prompt")
return "raw_input"
self.patch(default, "_input", raw_input)
d = client.getGenericAnswers(
b"Name",
b"Instruction",
[(b"pass prompt", False), (b"raw_input prompt", True)],
)
d.addCallback(self.assertListEqual, ["getpass", "raw_input"])
return d
def test_getPassword(self):
"""
Get the password using
L{twisted.conch.client.default.SSHUserAuthClient.getPassword}
"""
class FakeTransport:
def __init__(self, host):
self.transport = self
self.host = host
def getPeer(self):
return self
options = ConchOptions()
client = SSHUserAuthClient(b"user", options, None)
client.transport = FakeTransport("127.0.0.1")
def getpass(prompt):
self.assertEqual(prompt, "[email protected]'s password: "******"bad password"
self.patch(default.getpass, "getpass", getpass)
d = client.getPassword()
d.addCallback(self.assertEqual, b"bad password")
return d
def test_getPrivateKeyPassphrase(self):
"""
L{SSHUserAuthClient} can get a private key from a file, and return a
Deferred called back with a private L{Key} object, even if the key is
encrypted.
"""
rsaPrivate = Key.fromString(keydata.privateRSA_openssh)
passphrase = 'this is the passphrase'
self.rsaFile.setContent(rsaPrivate.toString('openssh', passphrase))
options = ConchOptions()
options.identitys = [self.rsaFile.path]
client = SSHUserAuthClient("user", options, None)
# Populate the list of used files
client.getPublicKey()
def _getPassword(prompt):
self.assertEqual(prompt,
"Enter passphrase for key '%s': " % (
self.rsaFile.path,))
return passphrase
def _cbGetPrivateKey(key):
self.assertEqual(key.isPublic(), False)
self.assertEqual(key, rsaPrivate)
self.patch(client, '_getPassword', _getPassword)
return client.getPrivateKey().addCallback(_cbGetPrivateKey)
def connectionSecure(self):
self._secured = True
conn = _CommandConnection(self.factory)
userauth = SSHUserAuthClient(self.factory.server.user, ConchOptions(),
conn)
userauth.preferredOrder = ['publickey']
self.requestService(userauth)
def test_getPublicKeyFromFile(self):
"""
L{SSHUserAuthClient.getPublicKey()} is able to get a public key from
the first file described by its options' C{identitys} list, and return
the corresponding public L{Key} object.
"""
options = ConchOptions()
options.identitys = [self.rsaFile.path]
client = SSHUserAuthClient("user", options, None)
key = client.getPublicKey()
self.assertEqual(key.isPublic(), True)
self.assertEqual(key, self.rsaPublic)
def test_getPublicKeyAgentFallback(self):
"""
If an agent is present, but doesn't return a key,
L{SSHUserAuthClient.getPublicKey} continue with the normal key lookup.
"""
options = ConchOptions()
options.identitys = [self.rsaFile.path]
agent = SSHAgentClient()
client = SSHUserAuthClient("user", options, None)
client.keyAgent = agent
key = client.getPublicKey()
self.assertEqual(key.isPublic(), True)
self.assertEqual(key, self.rsaPublic)
def test_signDataWithAgent(self):
"""
When connected to an agent, L{SSHUserAuthClient} can use it to
request signatures of particular data with a particular L{Key}.
"""
client = SSHUserAuthClient("user", ConchOptions(), None)
agent = SSHAgentClient()
transport = StringTransport()
agent.makeConnection(transport)
client.keyAgent = agent
cleartext = "Sign here"
client.signData(self.rsaPublic, cleartext)
self.assertEqual(
transport.value(),
"\x00\x00\x00\x8b\r\x00\x00\x00u" + self.rsaPublic.blob() +
"\x00\x00\x00\t" + cleartext + "\x00\x00\x00\x00")
def connectionSecure(self):
self._secured = True
command = _CommandConnection(self.factory.command,
self.factory.commandProtocolFactory,
self.factory.commandConnected)
userauth = SSHUserAuthClient(os.environ['USER'], ConchOptions(),
command)
self.requestService(userauth)
def test_signDataWithAgent(self):
"""
When connected to an agent, L{SSHUserAuthClient} can use it to
request signatures of particular data with a particular L{Key}.
"""
client = SSHUserAuthClient("user", ConchOptions(), None)
agent = SSHAgentClient()
transport = StringTransport()
agent.makeConnection(transport)
client.keyAgent = agent
cleartext = "Sign here"
client.signData(self.rsaPublic, cleartext)
self.assertEqual(
transport.value(),
"\x00\x00\x00\x8b\r\x00\x00\x00u" + self.rsaPublic.blob() +
"\x00\x00\x00\t" + cleartext +
"\x00\x00\x00\x00")
def getPassword(self, prompt=None):
"""
Get the password from the client options, is specified.
"""
if "password" in self.options:
return succeed(self.options["password"])
return SSHUserAuthClient.getPassword(self, prompt)
def test_getPublicKeyBadKeyError(self):
"""
If L{keys.Key.fromFile} raises a L{keys.BadKeyError}, the
L{SSHUserAuthClient.getPublicKey} tries again to get a public key by
calling itself recursively.
"""
options = ConchOptions()
self.tmpdir.child('id_dsa.pub').setContent(keydata.publicDSA_openssh)
dsaFile = self.tmpdir.child('id_dsa')
dsaFile.setContent(keydata.privateDSA_openssh)
options.identitys = [self.rsaFile.path, dsaFile.path]
self.tmpdir.child('id_rsa.pub').setContent('not a key!')
client = SSHUserAuthClient("user", options, None)
key = client.getPublicKey()
self.assertEqual(key.isPublic(), True)
self.assertEqual(key, Key.fromString(keydata.publicDSA_openssh))
self.assertEqual(client.usedFiles, [self.rsaFile.path, dsaFile.path])
def test_getPasswordPrompt(self):
"""
Get the password using
L{twisted.conch.client.default.SSHUserAuthClient.getPassword}
using a different prompt.
"""
options = ConchOptions()
client = SSHUserAuthClient(b"user", options, None)
prompt = b"Give up your password"
def getpass(p):
self.assertEqual(p, nativeString(prompt))
return "bad password"
self.patch(default.getpass, "getpass", getpass)
d = client.getPassword(prompt)
d.addCallback(self.assertEqual, b"bad password")
return d
def test_getPrivateKey(self):
"""
L{SSHUserAuthClient.getPrivateKey} will load a private key from the
last used file populated by L{SSHUserAuthClient.getPublicKey}, and
return a L{Deferred} which fires with the corresponding private L{Key}.
"""
rsaPrivate = Key.fromString(keydata.privateRSA_openssh)
options = ConchOptions()
options.identitys = [self.rsaFile.path]
client = SSHUserAuthClient("user", options, None)
# Populate the list of used files
client.getPublicKey()
def _cbGetPrivateKey(key):
self.assertEqual(key.isPublic(), False)
self.assertEqual(key, rsaPrivate)
return client.getPrivateKey().addCallback(_cbGetPrivateKey)
def connectionSecure(self):
self._secured = True
connection = _CommandConnection(self.factory.command)
self.connection = connection
userauth = SSHUserAuthClient(
self.factory.user,
ConchOptions(),
connection)
self.requestService(userauth)
def sftp(user, host, port):
options = ClientOptions()
options['host'] = host
options['port'] = port
options.identitys = ['~/.ssh/amazon.pem']
conn = SFTPConnection()
conn._sftp = Deferred()
auth = SSHUserAuthClient(user, options, conn)
connect(host, port, options, verifyHostKey, auth)
return conn._sftp
def test_getPasswordConchError(self):
"""
Get the password using
L{twisted.conch.client.default.SSHUserAuthClient.getPassword}
and trigger a {twisted.conch.error import ConchError}.
"""
options = ConchOptions()
client = SSHUserAuthClient(b"user", options, None)
def getpass(prompt):
raise KeyboardInterrupt("User pressed CTRL-C")
self.patch(default.getpass, 'getpass', getpass)
stdout, stdin = sys.stdout, sys.stdin
d = client.getPassword(b'?')
@d.addErrback
def check_sys(fail):
self.assertEqual(
[stdout, stdin], [sys.stdout, sys.stdin])
return fail
self.assertFailure(d, ConchError)
def connect_sftp(self):
conn = SFTPConnection()
self.conn = conn
conn._sftp = Deferred()
options = ClientOptions()
options['host'] = self.host
options['port'] = self.port
log.msg("self.host", self.host, logLevel=logging.DEBUG)
log.msg("self.port", self.port, logLevel=logging.DEBUG)
log.msg("self.user", self.user, logLevel=logging.DEBUG)
self.auth = SSHUserAuthClient(self.user, options, conn)
connect(self.host, self.port, options, verifyHostKey, self.auth)
self._sftp = conn._sftp
return self._sftp
def getPassword(self, prompt = None):
if "password" in self.options:
return succeed(self.options["password"])
return SSHUserAuthClient.getPassword(self, prompt)
def getPassword(self, prompt = None):
if "password" in self.options:
return succeed(self.options["password"])
return SSHUserAuthClient.getPassword(self, prompt)
def _defaultAuthFactory(self, command):
return SSHUserAuthClient(
os.environ['USER'], ConchOptions(), command)
