The branch, twofactorauth has been updated
via 57fa3a5160fc9698460122a4b7fc3dc00a94633d (commit)
from 0ed9ba982fd0bb59d1a6c9a529004fcbe0c84387 (commit)
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not appeared on any other notification email; so we list those
revisions in full, below.
- Log -----------------------------------------------------------------
commit 57fa3a5160fc9698460122a4b7fc3dc00a94633d
Author: Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de>
Date: Sat Sep 14 15:54:57 2013 +0200
Implement two-factor authentication.
-----------------------------------------------------------------------
Summary of changes:
debian/changelog | 1 +
x2go/backends/control/_stdout.py | 86 ++++++++++++++++++++++++++------------
x2go/client.py | 26 +++++++++---
x2go/session.py | 33 ++++++++++++---
x2go/sshproxy.py | 86 ++++++++++++++++++++++++++++----------
5 files changed, 173 insertions(+), 59 deletions(-)
The diff of changes is:
diff --git a/debian/changelog b/debian/changelog
index 0e364be..d8d3582 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -14,6 +14,7 @@ python-x2go (0.4.0.9-0~x2go1) UNRELEASED; urgency=low
control session's connect() method.
- Fix parameter handling in X2GoSession.connect().
- Rewrite passwords that are not string/unicode to an empty string.
+ - Implement two-factor authentication.
-- Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de> Wed, 07 Aug 2013 12:18:46 +0200
diff --git a/x2go/backends/control/_stdout.py b/x2go/backends/control/_stdout.py
index 22bc014..738275a 100644
--- a/x2go/backends/control/_stdout.py
+++ b/x2go/backends/control/_stdout.py
@@ -396,6 +396,7 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
self._transport_lock.acquire()
_retval = None
+ _password = None
ssh_transport = self.get_transport()
if ssh_transport and ssh_transport.is_authenticated():
@@ -405,7 +406,9 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
timer.start()
try:
self.logger("executing command on X2Go server ,,%s'': %s" % (self.profile_name, _rerewrite_blanks(cmd)), loglevel=loglevel)
- _retval = self.exec_command(_rewrite_password(cmd, user=self.get_transport().get_username(), password=base64.b64decode(self._session_password)), **kwargs)
+ if self._session_password:
+ _password = base64.b64decode(self._session_password)
+ _retval = self.exec_command(_rewrite_password(cmd, user=self.get_transport().get_username(), password=_password), **kwargs)
except AttributeError:
self.session_died = True
self._transport_lock.release()
@@ -659,10 +662,10 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
return checkhosts.check_ssh_host_key(self, hostname, port=port)
- def connect(self, hostname, port=22, username='', password='', pkey=None,
+ def connect(self, hostname, port=22, username=None, password=None, passphrase=None, pkey=None,
key_filename=None, timeout=None, allow_agent=False, look_for_keys=False,
- use_sshproxy=False, sshproxy_host='', sshproxy_port=22, sshproxy_user='', sshproxy_password='', sshproxy_force_password_auth=False,
- sshproxy_key_filename=None, sshproxy_pkey=None, sshproxy_look_for_keys=False, sshproxy_allow_agent=False,
+ use_sshproxy=False, sshproxy_host=None, sshproxy_port=22, sshproxy_user=None, sshproxy_password=None, sshproxy_force_password_auth=False,
+ sshproxy_key_filename=None, sshproxy_pkey=None, sshproxy_look_for_keys=False, sshproxy_passphrase='', sshproxy_allow_agent=False,
sshproxy_tunnel=None,
forward_sshagent=None,
unique_hostkey_aliases=None,
@@ -701,6 +704,10 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
@param password: a password to use for authentication or for unlocking
a private key
@type password: C{str}
+ @param passphrase: a passphrase to use for unlocking
+ a private key in case the password is already needed for two-factor
+ authentication
+ @type passphrase: C{str}
@param key_filename: the filename, or list of filenames, of optional
private key(s) to try for authentication
@type key_filename: C{str} or list(str)
@@ -740,6 +747,10 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
@param sshproxy_password: a password to use for SSH proxy authentication or for unlocking
a private key
@type sshproxy_password: C{str}
+ @param sshproxy_passphrase: a passphrase to use for unlocking
+ a private key needed for the SSH proxy host in case the sshproxy_password is already needed for
+ two-factor authentication
+ @type sshproxy_passphrase: C{str}
@param sshproxy_force_password_auth: enforce using a given C{sshproxy_password} even if a key(file) is given
@type sshproxy_force_password_auth: C{bool}
@param sshproxy_key_filename: local file location of the private key file
@@ -787,6 +798,8 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
key_filename = None
pkey = None
+ if not passphrase: passphrase = password
+
if use_sshproxy and sshproxy_host and sshproxy_user:
try:
@@ -797,6 +810,7 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
sshproxy_port=sshproxy_port,
sshproxy_user=sshproxy_user,
sshproxy_password=sshproxy_password,
+ sshproxy_passphrase=sshproxy_passphrase,
sshproxy_force_password_auth=sshproxy_force_password_auth,
sshproxy_key_filename=sshproxy_key_filename,
sshproxy_pkey=sshproxy_pkey,
@@ -854,15 +868,15 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
if key_filename or pkey or look_for_keys or allow_agent or (password and force_password_auth):
try:
if password and force_password_auth:
- self.logger('trying keyboard-interactive SSH authentication with server', loglevel=log.loglevel_DEBUG)
- paramiko.SSHClient.connect(self, _hostname, port=port, username=username, pkey=None, password=password,
+ self.logger('trying password based SSH authentication with server', loglevel=log.loglevel_DEBUG)
+ paramiko.SSHClient.connect(self, _hostname, port=port, username=username, password=password,pkey=None,
key_filename=None, timeout=timeout, allow_agent=False,
look_for_keys=False)
elif (key_filename and os.path.exists(os.path.normpath(key_filename))) or pkey:
self.logger('trying SSH pub/priv key authentication with server', loglevel=log.loglevel_DEBUG)
paramiko.SSHClient.connect(self, _hostname, port=port, username=username, pkey=pkey,
key_filename=key_filename, timeout=timeout, allow_agent=False,
- look_for_keys=look_for_keys)
+ look_for_keys=False)
else:
self.logger('trying SSH key discovery or agent authentication with server', loglevel=log.loglevel_DEBUG)
paramiko.SSHClient.connect(self, _hostname, port=port, username=username, pkey=None,
@@ -876,45 +890,62 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
# enable keep alive callbacks
t.set_keepalive(5)
- except paramiko.PasswordRequiredException, e:
+ except (paramiko.PasswordRequiredException, paramiko.SSHException), e:
self.close()
- if password:
+ if type(e) == paramiko.SSHException and not str(e).startswith('Two-factor authentication requires a password'):
+ raise e
+ if passphrase:
self.logger('unlock SSH private key file with provided password', loglevel=log.loglevel_INFO)
try:
+ if not password: password = None
if (key_filename and os.path.exists(os.path.normpath(key_filename))) or pkey:
self.logger('re-trying SSH pub/priv key authentication with server', loglevel=log.loglevel_DEBUG)
- paramiko.SSHClient.connect(self, _hostname, port=port, username=username, pkey=pkey, password=password,
- key_filename=key_filename, timeout=timeout, allow_agent=False,
- look_for_keys=look_for_keys)
+ try:
+ paramiko.SSHClient.connect(self, _hostname, port=port, username=username, password=password, passphrase=passphrase, pkey=pkey,
+ key_filename=key_filename, timeout=timeout, allow_agent=False,
+ look_for_keys=False)
+ except AttributeError:
+ self.logger('your version of Paramiko/SSH does not support authentication workflows which require SSH key decryption in combination with two-factor authentication', loglevel=log.loglevel_WARN)
+ paramiko.SSHClient.connect(self, _hostname, port=port, username=username, password=password, pkey=pkey,
+ key_filename=key_filename, timeout=timeout, allow_agent=False,
+ look_for_keys=False)
else:
self.logger('re-trying SSH key discovery or agent authentication with server', loglevel=log.loglevel_DEBUG)
- paramiko.SSHClient.connect(self, _hostname, port=port, username=username, pkey=None, password=password,
- key_filename=None, timeout=timeout, allow_agent=allow_agent,
- look_for_keys=look_for_keys)
- except paramiko.AuthenticationException:
+ try:
+ paramiko.SSHClient.connect(self, _hostname, port=port, username=username, password=password, passphrase=passphrase, pkey=None,
+ key_filename=None, timeout=timeout, allow_agent=allow_agent,
+ look_for_keys=look_for_keys)
+ except AttributeError:
+ if password and passphrase and password != passphrase:
+ self.logger('your version of Paramiko/SSH does not support authentication workflows which require SSH key decryption in combination with two-factor authentication', loglevel=log.loglevel_WARN)
+ paramiko.SSHClient.connect(self, _hostname, port=port, username=username, password=password, pkey=None,
+ key_filename=None, timeout=timeout, allow_agent=allow_agent,
+ look_for_keys=look_for_keys)
+
+ except paramiko.AuthenticationException, auth_e:
# the provided password cannot be used to unlock any private SSH key file (i.e. wrong password)
- raise paramiko.PasswordRequiredException(str(e))
+ raise paramiko.AuthenticationException(str(auth_e))
- except paramiko.SSHException, e:
- if str(e) == 'No authentication methods available':
+ except paramiko.SSHException, auth_e:
+ if str(auth_e) == 'No authentication methods available':
raise paramiko.AuthenticationException('Interactive password authentication required!')
else:
self.close()
if self.sshproxy_session:
self.sshproxy_session.stop_thread()
- raise(e)
+ raise auth_e
else:
self.close()
if self.sshproxy_session:
self.sshproxy_session.stop_thread()
- raise(e)
+ raise e
except paramiko.AuthenticationException, e:
self.close()
if password:
- self.logger('next auth mechanism we\'ll try is keyboard-interactive authentication', loglevel=log.loglevel_DEBUG)
+ self.logger('next auth mechanism we\'ll try is password authentication', loglevel=log.loglevel_DEBUG)
try:
paramiko.SSHClient.connect(self, _hostname, port=port, username=username, password=password,
key_filename=None, pkey=None, timeout=timeout, allow_agent=False, look_for_keys=False)
@@ -927,7 +958,7 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
self.close()
if self.sshproxy_session:
self.sshproxy_session.stop_thread()
- raise(e)
+ raise e
except paramiko.SSHException, e:
if str(e) == 'No authentication methods available':
@@ -936,7 +967,7 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
self.close()
if self.sshproxy_session:
self.sshproxy_session.stop_thread()
- raise(e)
+ raise e
except:
self.close()
@@ -949,7 +980,7 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
# create a random password if password is empty to trigger host key validity check
if not password:
password = "".join([random.choice(string.letters+string.digits) for x in range(1, 20)])
- self.logger('performing SSH keyboard-interactive authentication with server', loglevel=log.loglevel_DEBUG)
+ self.logger('performing SSH password authentication with server', loglevel=log.loglevel_DEBUG)
try:
paramiko.SSHClient.connect(self, _hostname, port=port, username=username, password=password,
timeout=timeout, allow_agent=False, look_for_keys=False)
@@ -975,7 +1006,10 @@ class X2GoControlSessionSTDOUT(paramiko.SSHClient):
# mark Paramiko/SSH transport as X2GoControlSession
ssh_transport._x2go_session_marker = True
- self._session_password = base64.b64encode(password)
+ try:
+ self._session_password = base64.b64encode(password)
+ except TypeError:
+ self._session_password = None
if ssh_transport is not None:
self.session_died = False
diff --git a/x2go/client.py b/x2go/client.py
index a3ff64d..21731eb 100644
--- a/x2go/client.py
+++ b/x2go/client.py
@@ -1298,10 +1298,12 @@ class X2GoClient(object):
__session_auto_connect = session_auto_connect
def connect_session(self, session_uuid,
- username='',
- password='',
- sshproxy_user='',
- sshproxy_password='',
+ username=None,
+ password=None,
+ passphrase=None,
+ sshproxy_user=None,
+ sshproxy_password=None,
+ sshproxy_passphrase=None,
add_to_known_hosts=False,
force_password_auth=False,
sshproxy_force_password_auth=False,
@@ -1318,10 +1320,18 @@ class X2GoClient(object):
@param password: the user's password for the X2Go server that is going to be
connected to
@type password: C{str}
+ @param passphrase: a passphrase to use for unlocking
+ a private key in case the password is already needed for
+ two-factor authentication
+ @type passphrase: C{str}
@param sshproxy_user: user name to be used for SSH proxy authentication
@type sshproxy_user: C{str}
@param sshproxy_password: the SSH proxy user's password
@type sshproxy_password: C{str}
+ @param sshproxy_passphrase: a passphrase to use for unlocking
+ a private key needed for the SSH proxy host in case the sshproxy_password is already needed for
+ two-factor authentication
+ @type sshproxy_passphrase: C{str}
@param add_to_known_hosts: non-Paramiko option, if C{True} paramiko.AutoAddPolicy()
is used as missing-host-key-policy. If set to C{False} L{checkhosts.X2GoInteractiveAddPolicy()}
is used
@@ -1337,8 +1347,12 @@ class X2GoClient(object):
@rtype: C{bool}
"""
- _success = self.session_registry(session_uuid).connect(username=username, password=password,
- sshproxy_user=sshproxy_user, sshproxy_password=sshproxy_password,
+ _success = self.session_registry(session_uuid).connect(username=username,
+ password=password,
+ passphrase=passphrase,
+ sshproxy_user=sshproxy_user,
+ sshproxy_password=sshproxy_password,
+ sshproxy_passphrase=sshproxy_passphrase,
add_to_known_hosts=add_to_known_hosts,
force_password_auth=force_password_auth,
sshproxy_force_password_auth=sshproxy_force_password_auth,
diff --git a/x2go/session.py b/x2go/session.py
index a42d710..479cdff 100644
--- a/x2go/session.py
+++ b/x2go/session.py
@@ -116,7 +116,7 @@ _X2GO_TERMINAL_PARAMS = ('geometry', 'depth', 'link', 'pack', 'dpi',
)
"""A list of allowed X2Go terminal session parameters."""
_X2GO_SSHPROXY_PARAMS = ('sshproxy_host', 'sshproxy_port', 'sshproxy_user', 'sshproxy_password',
- 'sshproxy_key_filename', 'sshproxy_pkey',
+ 'sshproxy_key_filename', 'sshproxy_pkey', 'sshproxy_passphrase',
'sshproxy_look_for_keys', 'sshproxy_allow_agent',
'sshproxy_tunnel',
)
@@ -1175,9 +1175,10 @@ class X2GoSession(object):
gevent.spawn(self.HOOK_auto_connect)
__do_auto_connect = do_auto_connect
- def connect(self, username='', password='', add_to_known_hosts=None,
+ def connect(self, username=None, password=None, passphrase=None, add_to_known_hosts=None,
force_password_auth=None, look_for_keys=None, allow_agent=None,
- use_sshproxy=None, sshproxy_user=None, sshproxy_password=None, sshproxy_force_password_auth=None, sshproxy_reuse_authinfo=None, ):
+ use_sshproxy=None, sshproxy_user=None, sshproxy_password=None, sshproxy_passphrase=None,
+ sshproxy_force_password_auth=None, sshproxy_reuse_authinfo=None, ):
"""\
Connects to the L{X2GoSession}'s server host. This method basically wraps around
the C{X2GoControlSession*.connect()} method.
@@ -1188,6 +1189,10 @@ class X2GoSession(object):
@param password: the user's password for the X2Go server that is going to be
connected to
@type password: C{str}
+ @param passphrase: a passphrase to use for unlocking
+ a private key in case the password is already needed for two-factor
+ authentication
+ @type passphrase: C{str}
@param add_to_known_hosts: non-paramiko option, if C{True} paramiko.AutoAddPolicy()
is used as missing-host-key-policy. If set to C{False} paramiko.RejectPolicy()
is used
@@ -1209,6 +1214,10 @@ class X2GoSession(object):
@type sshproxy_user: C{str}
@param sshproxy_password: password for authentication against the SSH proxy host
@type sshproxy_password: C{str}
+ @param sshproxy_passphrase: a passphrase to use for unlocking
+ a private key needed for the SSH proxy host in case the sshproxy_password is already needed for
+ two-factor authentication
+ @type sshproxy_passphrase: C{str}
@param sshproxy_force_password_auth: enforce password authentication even is a key(file) is present
@type sshproxy_force_password_auth: C{bool}
@@ -1246,10 +1255,14 @@ class X2GoSession(object):
self.sshproxy_params['sshproxy_user'] = sshproxy_user
if sshproxy_password:
self.sshproxy_params['sshproxy_password'] = sshproxy_password
+ if sshproxy_passphrase:
+ self.sshproxy_params['sshproxy_passphrase'] = sshproxy_passphrase
if sshproxy_force_password_auth is not None:
self.sshproxy_params['sshproxy_force_password_auth'] = sshproxy_force_password_auth
self.control_params['password'] = password
+ if passphrase:
+ self.control_params['passphrase'] = passphrase
if self.sshproxy_reuse_authinfo:
if self.control_params.has_key('key_filename'):
@@ -1258,6 +1271,8 @@ class X2GoSession(object):
self.sshproxy_params['sshproxy_pkey'] = self.control_params['pkey']
if self.control_params.has_key('password'):
self.sshproxy_params['sshproxy_password'] = self.control_params['password']
+ if self.control_params.has_key('passphrase'):
+ self.sshproxy_params['sshproxy_passphrase'] = self.control_params['passphrase']
_params = {}
_params.update(self.control_params)
@@ -1280,14 +1295,22 @@ class X2GoSession(object):
except:
# remove credentials immediately
self.control_params['password'] = ''
+ if self.control_params and self.control_params.has_key('passphrase'):
+ del self.control_params['passphrase']
if self.sshproxy_params and self.sshproxy_params.has_key('sshproxy_password'):
- del self.sshproxy_params['sshproxy_password']
+ self.sshproxy_params['sshproxy_password'] = ''
+ if self.sshproxy_params and self.sshproxy_params.has_key('sshproxy_passphrase'):
+ del self.sshproxy_params['sshproxy_passphrase']
raise
finally:
# remove credentials immediately
self.control_params['password'] = ''
+ if self.control_params and self.control_params.has_key('passphrase'):
+ del self.control_params['passphrase']
if self.sshproxy_params and self.sshproxy_params.has_key('sshproxy_password'):
- del self.sshproxy_params['sshproxy_password']
+ self.sshproxy_params['sshproxy_password'] = ''
+ if self.sshproxy_params and self.sshproxy_params.has_key('sshproxy_passphrase'):
+ del self.sshproxy_params['sshproxy_passphrase']
if not self.connected:
# then tidy up...
diff --git a/x2go/sshproxy.py b/x2go/sshproxy.py
index e2b62d9..3ad2801 100644
--- a/x2go/sshproxy.py
+++ b/x2go/sshproxy.py
@@ -55,11 +55,11 @@ class X2GoSSHProxy(paramiko.SSHClient, threading.Thread):
"""
fw_tunnel = None
- def __init__(self, hostname=None, port=22, username=None, password=None, force_password_auth=False, key_filename=None,
+ def __init__(self, hostname=None, port=22, username=None, password=None, passphrase=None, force_password_auth=False, key_filename=None,
local_host='localhost', local_port=22022, remote_host='localhost', remote_port=22,
known_hosts=None, add_to_known_hosts=False, pkey=None, look_for_keys=False, allow_agent=False,
sshproxy_host=None, sshproxy_port=22, sshproxy_user=None,
- sshproxy_password=None, sshproxy_force_password_auth=False, sshproxy_key_filename=None, sshproxy_pkey=None,
+ sshproxy_password=None, sshproxy_force_password_auth=False, sshproxy_key_filename=None, sshproxy_pkey=None, sshproxy_passphrase=None,
sshproxy_look_for_keys=False, sshproxy_allow_agent=False,
sshproxy_tunnel=None,
ssh_rootdir=os.path.join(_LOCAL_HOME, _X2GO_SSH_ROOTDIR),
@@ -75,6 +75,10 @@ class X2GoSSHProxy(paramiko.SSHClient, threading.Thread):
@param password: user's password on the SSH proxy host, with private key authentication it will be
used to unlock the key (if needed)
@type password: C{str}
+ @param passphrase: a passphrase to use for unlocking
+ a private key in case the password is already needed for two-factor
+ authentication
+ @type passphrase: {str}
@param key_filename: name of a SSH private key file
@type key_filename: C{str}
@param pkey: a private DSA/RSA key object (as provided by Paramiko/SSH)
@@ -109,6 +113,8 @@ class X2GoSSHProxy(paramiko.SSHClient, threading.Thread):
@type sshproxy_user: C{str}
@param sshproxy_password: alias for C{password}
@type sshproxy_password: C{str}
+ @param sshproxy_passphrase: alias for C{passphrase}
+ @type sshproxy_passphrase: C{str}
@param sshproxy_key_filename: alias for C{key_filename}
@type sshproxy_key_filename: C{str}
@param sshproxy_pkey: alias for C{pkey}
@@ -160,6 +166,7 @@ class X2GoSSHProxy(paramiko.SSHClient, threading.Thread):
if sshproxy_user: self.username = sshproxy_user
if sshproxy_password: password = sshproxy_password
+ if sshproxy_passphrase: passphrase = sshproxy_passphrase
if sshproxy_force_password_auth: force_password_auth = sshproxy_force_password_auth
if sshproxy_key_filename: key_filename = sshproxy_key_filename
if sshproxy_pkey: pkey = sshproxy_pkey
@@ -185,6 +192,8 @@ class X2GoSSHProxy(paramiko.SSHClient, threading.Thread):
sshproxy_key_filename = None
sshproxy_pkey = None
+ if not passphrase: passphrase = password
+
# enforce IPv4 for localhost addresses!!!
_hostname = self.hostname
if _hostname in ('localhost', 'localhost.localdomain'):
@@ -238,41 +247,74 @@ class X2GoSSHProxy(paramiko.SSHClient, threading.Thread):
username=self.username,
key_filename=key_filename,
pkey=pkey,
- look_for_keys=look_for_keys,
- allow_agent=allow_agent,
+ allow_agent=False,
+ look_for_keys=False,
)
else:
self.connect(_hostname, port=self.port,
username=self.username,
+ key_filename=None,
+ pkey=None,
look_for_keys=look_for_keys,
allow_agent=allow_agent,
)
- except x2go_exceptions.PasswordRequiredException, e:
+ except (paramiko.PasswordRequiredException, paramiko.SSHException), e:
self.close()
- if password:
+ if type(e) == paramiko.SSHException and not str(e).startswith('Two-factor authentication requires a password'):
+ raise x2go_exceptions.X2GoSSHProxyException(str(e))
+
+ if passphrase:
try:
+ if not password: password = None
if (key_filename and os.path.exists(os.path.normpath(key_filename))) or pkey:
- self.connect(_hostname, port=self.port,
- username=self.username,
- key_filename=key_filename,
- pkey=pkey,
- look_for_keys=look_for_keys,
- allow_agent=allow_agent,
- password=password,
- )
+ try:
+ self.connect(_hostname, port=self.port,
+ username=self.username,
+ password=password,
+ passphrase=passphrase,
+ key_filename=key_filename,
+ pkey=pkey,
+ allow_agent=False,
+ look_for_keys=False,
+ )
+ except AttributeError:
+ self.connect(_hostname, port=self.port,
+ username=self.username,
+ password=passphrase,
+ key_filename=key_filename,
+ pkey=pkey,
+ allow_agent=False,
+ look_for_keys=False,
+ )
else:
- self.connect(_hostname, port=self.port,
- username=self.username,
- look_for_keys=look_for_keys,
- allow_agent=allow_agent,
- password=password,
- )
+ try:
+ self.connect(_hostname, port=self.port,
+ username=self.username,
+ password=password,
+ passphrase=passphrase,
+ key_filename=None,
+ pkey=None,
+ look_for_keys=look_for_keys,
+ allow_agent=allow_agent,
+ )
+ except AttributeError:
+ self.connect(_hostname, port=self.port,
+ username=self.username,
+ password=passphrase,
+ key_filename=None,
+ pkey=None,
+ look_for_keys=look_for_keys,
+ allow_agent=allow_agent,
+ )
except x2go_exceptions.AuthenticationException, auth_e:
- raise x2go_exceptions.X2GoSSHProxyPasswordRequiredException(str(auth_e))
+ raise x2go_exceptions.X2GoSSHProxyAuthenticationException(str(auth_e))
else:
- raise x2go_exceptions.X2GoSSHProxyPasswordRequiredException(str(e))
+ if type(e) == paramiko.SSHException:
+ raise x2go_exceptions.X2GoSSHProxyException(str(e))
+ elif type(e) == paramiko.PasswordRequiredException:
+ raise x2go_exceptions.X2GoSSHProxyPasswordRequiredException(str(e))
except x2go_exceptions.AuthenticationException:
self.close()
raise x2go_exceptions.X2GoSSHProxyAuthenticationException('all authentication mechanisms with SSH proxy host failed')
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