The branch, release/0.4.0.x has been updated via c17955ccc33e7ce2f13428968e46f8b3e2a03803 (commit) from d9cb960c2336786493ec889a86c6978aa4d21e36 (commit) Those revisions listed above that are new to this repository have not appeared on any other notification email; so we list those revisions in full, below. - Log ----------------------------------------------------------------- ----------------------------------------------------------------------- Summary of changes: x2go/backends/control/_stdout.py | 11 +++++++++++ x2go/client.py | 12 ++++++++++++ x2go/session.py | 28 ++++++++++++++++++++++++++-- 3 files changed, 49 insertions(+), 2 deletions(-) The diff of changes is: diff --git a/x2go/backends/control/_stdout.py b/x2go/backends/control/_stdout.py index 370b9ff..59d4bd3 100644 --- a/x2go/backends/control/_stdout.py +++ b/x2go/backends/control/_stdout.py @@ -234,6 +234,17 @@ class X2goControlSessionSTDOUT(paramiko.SSHClient): def set_profile_name(self, profile_name): self.profile_name = profile_name + def check_host(self, host, port=22): + """\ + Perform a Paramiko/SSH host key check. + + """ + #paramiko.SSHClient.connect(host=host, port=port, username='foo', password='bar') + _host = host + _port = port + _fingerprint = 'dummy fingerprint' + return (False, _host, _port, _fingerprint) + def connect(self, hostname, port=22, username='', password='', pkey=None, use_sshproxy=False, sshproxy_host='', sshproxy_user='', sshproxy_password='', sshproxy_key_filename='', sshproxy_tunnel='', diff --git a/x2go/client.py b/x2go/client.py index a8e8999..ffee146 100644 --- a/x2go/client.py +++ b/x2go/client.py @@ -294,6 +294,10 @@ class X2goClient(object): self.logger('HOOK_printaction_error: incoming print job ,, %s'' on printer %s caused error: %s' % (filename, printer, err_msg), loglevel=log.loglevel_ERROR) else: self.logger('HOOK_printaction_error: incoming print job ,, %s'' caused error: %s' % (filename, err_msg), loglevel=log.loglevel_ERROR) + def HOOK_check_host_dialog(self, profile_name='UNKNOWN', host='UNKNOWN', port=22, fingerprint='no fingerprint'): + self.logger('HOOK_check_host_dialog: host check requested for session profile %s: Automatically adding host [%s]:%s with fingerprint: ,,%s\'\' as a known host.' % (profile_name, host, port, fingerprint), loglevel=log.loglevel_WARN) + # this HOOK has to return either True (accept host connection) or False (deny host conection) + return True def HOOK_on_control_session_death(self, profile_name): self.logger('HOOK_on_control_session_death: the control session of profile %s has died unexpectedly' % profile_name, loglevel=log.loglevel_WARN) def HOOK_pulseaudio_not_supported_in_RDPsession(self): @@ -681,6 +685,14 @@ class X2goClient(object): """ return self.session_registry(session_uuid).set_username(username=username) + def check_session_host(self, session_uuid): + """\ + Provide a mechanism to evaluate the validity of an X2go server host. + + """ + return self.session_registry(session_uuid).check_host() + __check_session_host = check_session_host + def connect_session(self, session_uuid, username='', password='', diff --git a/x2go/session.py b/x2go/session.py index 66fb9bf..0a15069 100644 --- a/x2go/session.py +++ b/x2go/session.py @@ -188,7 +188,7 @@ class X2goSession(object): if self.client_instance: self.client_instance.HOOK_rforward_request_denied(profile_name=self.profile_name, session_name=self.session_name, server_port=server_port) else: - self.logger('TCP port (reverse) forwarding request for session %s to server port %s has been denied by server %s. This is a common issue with SSH, it might help to restart the server\'s SSH daemon.' % (self.session_name, server_port, self.profile_name), loglevel=log.loglevel_WARN) + self.logger('HOOK_rforward_request_denied: TCP port (reverse) forwarding request for session %s to server port %s has been denied by server %s. This is a common issue with SSH, it might help to restart the server\'s SSH daemon.' % (self.session_name, server_port, self.profile_name), loglevel=log.loglevel_WARN) def HOOK_forwarding_tunnel_setup_failed(self, chain_host='UNKNOWN', chain_port=0): """\ @@ -198,7 +198,18 @@ class X2goSession(object): if self.client_instance: self.client_instance.HOOK_forwarding_tunnel_setup_failed(profile_name=self.profile_name, session_name=self.session_name, chain_host=chain_host, chain_port=chain_port) else: - self.logger('Forwarding tunnel request to [%s]:%s for session %s (%s) was denied by remote X2go/SSH server. Session startup failed.' % (chain_host, chain_port, self.session_name, self.profile_name), loglevel=log.loglevel_WARN) + self.logger('HOOK_forwarding_tunnel_setup_failed: Forwarding tunnel request to [%s]:%s for session %s (%s) was denied by remote X2go/SSH server. Session startup failed.' % (chain_host, chain_port, self.session_name, self.profile_name), loglevel=log.loglevel_WARN) + + def HOOK_check_host_dialog(self, host, port, fingerprint='no fingerprint'): + """\ + STILL UNDOCUMENTED + + """ + if self.client_instance: + return self.client_instance.HOOK_check_host_dialog(profile_name=self.profile_name, host=host, port=port, fingerprint=fingerprint) + else: + self.logger('HOOK_check_host_dialog: host check requested for [%s]:%s with fingerprint: ,,%s.\'\'. Automatically adding host as known host.' % (host, port, fingerprint), loglevel=log.loglevel_WARN) + return True def init_control_session(self): """\ @@ -459,6 +470,19 @@ class X2goSession(object): return self.terminal_session is not None __has_terminal_session = has_terminal_session + def check_host(self): + """\ + Provide a host check mechanism. + + """ + if self.connected: + return True + + _port = self.control_params['port'] + (_valid, _host, _port, _fingerprint) = self.control_session.check_host(self.server, port=_port) + return _valid or self.HOOK_check_host_dialog(host=_host, port=_port, fingerprint=_fingerprint) + __check_host = check_host + def connect(self, username='', password='', add_to_known_hosts=False, force_password_auth=False, use_sshproxy=False, sshproxy_user='', sshproxy_password=''): """\ hooks/post-receive -- python-x2go.git (Python X2Go Client API) This is an automated email from the git hooks/post-receive script. It was generated because a ref change was pushed to the repository containing the project "python-x2go.git" (Python X2Go Client API).