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- Log -----------------------------------------------------------------
commit 2c2e237a244d60c893b607249cf3bce65ca8ff7b
Author: Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de>
Date: Tue Oct 9 13:16:37 2012 +0200
bump version towards 0.2.1.0
commit cac70a5c83b14573d816108094bea2b9700b70f9
Author: Mike Gabriel <mike.gabriel(a)das-netzwerkteam.de>
Date: Tue Oct 9 13:15:54 2012 +0200
Implement SSH agent authentication forwarding.
-----------------------------------------------------------------------
Summary of changes:
debian/changelog | 5 +++--
x2go/__init__.py | 2 +-
x2go/backends/control/_stdout.py | 14 +++++++++++++-
x2go/client.py | 5 ++++-
x2go/defaults.py | 2 +-
x2go/{monkey_patch_paramiko.py => paramiko.py} | 9 ++++++++-
x2go/registry.py | 4 ++++
x2go/session.py | 5 +++++
x2go/utils.py | 23 +++++++++++++++++++++++
9 files changed, 62 insertions(+), 7 deletions(-)
rename x2go/{monkey_patch_paramiko.py => paramiko.py} (92%)
The diff of changes is:
diff --git a/debian/changelog b/debian/changelog
index 9811041..d44d061 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,6 +1,6 @@
-python-x2go (0.2.0.11-0~x2go1) UNRELEASED; urgency=low
+python-x2go (0.2.1.0-0~x2go1) UNRELEASED; urgency=low
- * New upstream version (0.2.0.11):
+ * New upstream version (0.2.1.0):
- Prepare for staying compatible with new SSH proxy feature
in X2Go Client.
- Add sshproxy_port option to session (SSH proxy) options.
@@ -16,6 +16,7 @@ python-x2go (0.2.0.11-0~x2go1) UNRELEASED; urgency=low
_NET_WORKAREA is not available from the window manager.
- Mention ,,maximize'' as possible value for session option geometry
in __doc__string of class X2goTerminalSessionSTDOUT.
+ - Implement SSH agent authentication forwarding.
* /debian/rules:
+ Allow package build on systems with missing dh_python2.
diff --git a/x2go/__init__.py b/x2go/__init__.py
index 4292a8d..b0567cd 100644
--- a/x2go/__init__.py
+++ b/x2go/__init__.py
@@ -178,7 +178,7 @@ Contact
"""
__NAME__ = 'python-x2go'
-__VERSION__ = '0.2.0.11'
+__VERSION__ = '0.2.1.0'
from gevent import monkey
monkey.patch_all()
diff --git a/x2go/backends/control/_stdout.py b/x2go/backends/control/_stdout.py
index 7e8259b..903ef37 100644
--- a/x2go/backends/control/_stdout.py
+++ b/x2go/backends/control/_stdout.py
@@ -38,6 +38,7 @@ import locale
import threading
import cStringIO
+from distutils import version
from gevent import socket
# Python X2Go modules
@@ -117,6 +118,7 @@ class X2goControlSessionSTDOUT(paramiko.SSHClient):
profile_name='UNKNOWN',
add_to_known_hosts=False,
known_hosts=None,
+ forward_sshagent=False,
terminal_backend=_X2goTerminalSession,
info_backend=_X2goServerSessionInfo,
list_backend=_X2goServerSessionList,
@@ -140,6 +142,8 @@ class X2goControlSessionSTDOUT(paramiko.SSHClient):
@type add_to_known_hosts: C{bool}
@param known_hosts: the underlying Paramiko/SSH systems C{known_hosts} file
@type known_hosts: C{str}
+ @param forward_sshagent: forward SSH agent authentication requests to the X2Go client-side
+ @type forward_sshagent: C{bool}
@param terminal_backend: X2Go terminal session backend to use
@type terminal_backend: C{class}
@param info_backend: backend for handling storage of server session information
@@ -173,6 +177,7 @@ class X2goControlSessionSTDOUT(paramiko.SSHClient):
self.profile_name = profile_name
self.add_to_known_hosts = add_to_known_hosts
self.known_hosts = known_hosts
+ self.forward_sshagent = forward_sshagent
self.hostname = None
self.port = None
@@ -825,9 +830,16 @@ class X2goControlSessionSTDOUT(paramiko.SSHClient):
ssh_transport._x2go_session_marker = True
self._session_password = password
- if self.get_transport():
+ if ssh_transport is not None:
self.session_died = False
self.query_server_features(force=True)
+ if self.forward_sshagent:
+ if x2go.paramiko.PARAMIKO_FEATURE['forward-ssh-agent']:
+ self.agent_chan = ssh_transport.open_session()
+ self.agent_handler = paramiko.agent.AgentRequestHandler(self.agent_chan)
+ self.logger('Requesting SSH agent forwarding for control session of connected session profile %s' % self.profile_name, loglevel=log.loglevel_INFO)
+ else:
+ self.logger('SSH agent forwarding is not available in the Paramiko version used with this instance of Python X2Go', loglevel=log.loglevel_WARN)
self._remote_home = None
if not self.home_exists():
diff --git a/x2go/client.py b/x2go/client.py
index 53a3ab2..a22df3a 100644
--- a/x2go/client.py
+++ b/x2go/client.py
@@ -856,7 +856,7 @@ class X2goClient(object):
allow_printing=False,
allow_share_local_folders=False, share_local_folders=[],
allow_mimebox=False, mimebox_extensions=[], mimebox_action='OPEN',
- add_to_known_hosts=False, known_hosts=None,
+ add_to_known_hosts=False, known_hosts=None, forward_sshagent=False,
proxy_options={},
return_object=False, **kwargs):
"""\
@@ -913,6 +913,8 @@ class X2goClient(object):
@type add_to_known_hosts: C{bool}
@param known_hosts: full path to C{known_hosts} file
@type known_hosts: C{str}
+ @param forward_sshagent: forward SSH agent authentication requests to the X2Go client-side
+ @type forward_sshagent: C{bool}
@param proxy_options: a set of very C{X2goProxy*} backend specific options; any option that is not known
to the C{X2goProxy*} backend will simply be ignored
@type proxy_options: C{dict}
@@ -992,6 +994,7 @@ class X2goClient(object):
keep_controlsession_alive=True,
add_to_known_hosts=add_to_known_hosts,
known_hosts=known_hosts,
+ forward_sshagent=forward_sshagent,
**_params)
self.logger('initializing X2Go session...', log.loglevel_NOTICE, tag=self._logger_tag)
diff --git a/x2go/defaults.py b/x2go/defaults.py
index 96115f3..73816cb 100644
--- a/x2go/defaults.py
+++ b/x2go/defaults.py
@@ -304,7 +304,7 @@ X2GO_SESSIONPROFILE_DEFAULTS = {
'usekbd': True, 'layout': 'us', 'type': 'pc105/us', 'variant': '',
'sound': False, 'soundsystem': 'pulse', 'startsoundsystem': False, 'soundtunnel':True, 'defsndport':True, 'sndport':4713,
'name': 'NEW_PROFILE', 'icon': ':icons/128x128/x2gosession.png',
- 'host': 'server.mydomain', 'user': CURRENT_LOCAL_USER, 'key': '', 'sshport': 22, 'krblogin': False,
+ 'host': 'server.mydomain', 'user': CURRENT_LOCAL_USER, 'key': '', 'sshport': 22, 'krblogin': False, 'forwardsshagent': False,
'rootless': True, 'applications': X2GO_GENERIC_APPLICATIONS, 'command':'TERMINAL', 'published': False,
'directrdp': False, 'directrdpsettings': '', 'rdpclient': 'rdesktop', 'rdpport': 3389,
'rdpoptions': '-u X2GO_USER -p X2GO_PASSWORD', 'rdpserver': '',
diff --git a/x2go/monkey_patch_paramiko.py b/x2go/paramiko.py
similarity index 92%
rename from x2go/monkey_patch_paramiko.py
rename to x2go/paramiko.py
index f9b373b..caafb5f 100644
--- a/x2go/monkey_patch_paramiko.py
+++ b/x2go/paramiko.py
@@ -18,11 +18,18 @@
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
"""\
-Monkey Patch for Python Paramiko
+Monkey Patch and feature map for Python Paramiko
"""
import paramiko
+from x2go.utils import compare_versions
+
+PARAMIKO_VERSION = paramiko.__version__.split()[0]
+PARAMIKO_FEATURE = {
+ 'forward-ssh-agent': compare_versions(PARAMIKO_VERSION, ">=", '1.8'),
+ 'use-compression': compare_versions(PARAMIKO_VERSION, ">=", '1.7.7.1'),
+}
def _SSHClient_save_host_keys(self, filename):
"""\
diff --git a/x2go/registry.py b/x2go/registry.py
index 85ddf3f..61ceba3 100644
--- a/x2go/registry.py
+++ b/x2go/registry.py
@@ -460,6 +460,7 @@ class X2goSessionRegistry(object):
keep_controlsession_alive=True,
add_to_known_hosts=False,
known_hosts=None,
+ forward_sshagent=False,
**kwargs):
"""\
Register a new L{X2goSession} instance with this L{X2goSessionRegistry}.
@@ -498,6 +499,8 @@ class X2goSessionRegistry(object):
@type add_to_known_hosts: C{bool}
@param known_hosts: the underlying Paramiko/SSH systems C{known_hosts} file
@type known_hosts: C{str}
+ @param forward_sshagent: forward SSH agent authentication requests to the X2Go client-side
+ @type forward_sshagent: C{bool}
@param kwargs: all other options will be passed on to the constructor of the to-be-instantiated L{X2goSession} instance
@type C{dict}
@@ -555,6 +558,7 @@ class X2goSessionRegistry(object):
keep_controlsession_alive=keep_controlsession_alive,
add_to_known_hosts=add_to_known_hosts,
known_hosts=known_hosts,
+ forward_sshagent=forward_sshagent,
logger=self.logger, **kwargs)
session_uuid = s._X2goSession__get_uuid()
diff --git a/x2go/session.py b/x2go/session.py
index 346a452..73cc969 100644
--- a/x2go/session.py
+++ b/x2go/session.py
@@ -155,6 +155,7 @@ class X2goSession(object):
keep_controlsession_alive=False,
add_to_known_hosts=False,
known_hosts=None,
+ forward_sshagent=False,
logger=None, loglevel=log.loglevel_DEFAULT,
connected=False, activated=False, virgin=True, running=None, suspended=None, terminated=None, faulty=None,
client_instance=None,
@@ -216,6 +217,8 @@ class X2goSession(object):
@type add_to_known_hosts: C{bool}
@param known_hosts: the underlying Paramiko/SSH systems C{known_hosts} file
@type known_hosts: C{str}
+ @param forward_sshagent: forward SSH agent authentication requests to the SSH agent on the X2Go client-side
+ @type forward_sshagent: C{bool}
@param connected: manipulate session state »connected« by giving a pre-set value
@type connected: C{bool}
@param activated: normal leave this untouched, an activated session is a session that is about to be used
@@ -330,6 +333,7 @@ class X2goSession(object):
self.add_to_known_hosts = add_to_known_hosts
self.known_hosts = known_hosts
+ self.forward_sshagent = forward_sshagent
self._current_status = {
'timestamp': time.time(),
@@ -504,6 +508,7 @@ class X2goSession(object):
self.control_session = self.control_backend(profile_name=self.profile_name,
add_to_known_hosts=self.add_to_known_hosts,
known_hosts=self.known_hosts,
+ forward_sshagent=self.forward_sshagent,
terminal_backend=self.terminal_backend,
info_backend=self.info_backend,
list_backend=self.list_backend,
diff --git a/x2go/utils.py b/x2go/utils.py
index f8dee91..49aa9d6 100644
--- a/x2go/utils.py
+++ b/x2go/utils.py
@@ -33,6 +33,7 @@ import socket
import gevent
import string
import subprocess
+import distutils.version
# Python X2Go modules
from defaults import X2GOCLIENT_OS as _X2GOCLIENT_OS
@@ -209,6 +210,7 @@ def _convert_SessionProfileOptions_2_SessionParams(options):
'published': 'published_applications',
'autostart': 'auto_start_or_resume',
'autologin': 'auto_connect',
+ 'forwardsshagent': 'forward_sshagent',
}
_speed_dict = {
@@ -720,3 +722,24 @@ def merge_ordered_lists(l1, l2):
return ordered_list
+def compare_versions(version_a, op, version_b):
+ """\
+ Compare <version_a> with <version_b> using operator <op>.
+ In the background C{distutils.version.LooseVersion} is
+ used for the comparison operation.
+
+ @param version_a: a version string
+ @type version_a: C{str}
+ @param op: an operator provide as string (e.g. '<', '>', '==', '>=' etc.)
+ @type op: C{str}
+ @param version_b: another version string that is to be compared with <version_a>
+ @type version_b: C{str}
+
+ """
+
+ ### FIXME: this comparison is not reliable with beta et al. version strings
+
+ ver_a = distutils.version.LooseVersion(version_a)
+ ver_b = distutils.version.LooseVersion(version_b)
+
+ return eval("ver_a %s ver_b" % op)
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