/usr/lib/python2.7/dist-packages/pyhoca/wxgui/logon.py is in pyhoca-gui 0.5.0.7-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2010-2016 by Mike Gabriel <mike.gabriel@das-netzwerkteam.de>
# Copyright (C) 2010-2016 by Dick Kniep <dick.kniep@lindix.nl>
#
# PyHoca GUI is free software; you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# PyHoca GUI is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program; if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
modules ={}
# Python X2Go
import x2go
# gevent
import gevent
import wx
import os
# PyHoca-GUI modules
import passphrase
if os.environ.has_key('DESKTOP_SESSION'):
WINDOW_MANAGER = os.environ['DESKTOP_SESSION']
else:
WINDOW_MANAGER = 'generic'
class PyHocaGUI_DialogBoxPassword(wx.Dialog):
"""\
Logon window for L{PyHocaGUI}.
"""
def __init__(self, _PyHocaGUI, profile_name, caller=None, passphrase=None, sshproxy_passphrase=None, sshproxy_auth=False, twofactor_auth=False, sshproxy_twofactor_auth=False):
"""\
Logon window (constructor)
@param _PyHocaGUI: main application instance
@type _PyHocaGUI: C{obj}
@param profile_name: name of session profile that defines the server we authenticate against
@type profile_name: C{str}
@param caller: unused
@type caller: C{None}
@param sshproxy_auth: use (dual) SSH proxy authentication
@type sshproxy_auth: C{bool}
@param twofactor_auth: use two-factor authentication for X2Go Server
@type twofactor_auth: C{bool}
@param sshproxy_twofactor_auth: use two-factor authentication for SSH proxy
@type sshproxy_twofactor_auth: C{bool}
"""
self._PyHocaGUI = _PyHocaGUI
self._PyHocaGUI.gevent_sleep_when_idle = 0.1
self._pyhoca_logger = self._PyHocaGUI._pyhoca_logger
self._pyhoca_logger('password dialog box started', loglevel=x2go.loglevel_INFO, )
self.sshproxy_auth = sshproxy_auth
self.twofactor_auth = twofactor_auth
self.sshproxy_twofactor_auth = sshproxy_twofactor_auth
self.current_profile_name = profile_name
self.current_profile_config = self._PyHocaGUI.session_profiles.get_profile_config(profile_name)
wx.Dialog.__init__(self, None, id=-1, title=profile_name, style=wx.DEFAULT_FRAME_STYLE, )
self._PyHocaGUI._sub_windows.append(self)
if self.sshproxy_auth:
self.sshproxy_started = False
self.sshproxy_password = None
self.SetTitle(_(u'%s (via %s)') % (profile_name, self.current_profile_config['sshproxyhost']))
self.password = None
self.passphrase = passphrase
self.sshproxy_passphrase = sshproxy_passphrase
self.userLbl = wx.StaticText(self, wx.ID_ANY, _(u'Username')+':', size=(-1, -1))
self.userTxt = wx.TextCtrl(self, wx.ID_ANY, '', style=wx.TE_PROCESS_ENTER, size=(120, -1))
self.passwordLbl = wx.StaticText(self, wx.ID_ANY, _(u'Password')+':', size=(-1, -1))
self.passwordTxt = wx.TextCtrl(self, wx.ID_ANY, '', style=wx.TE_PROCESS_ENTER|wx.TE_PASSWORD, size=(120, -1))
self.passwordTxt.SetFocus()
self.loginBtn = wx.Button(self, wx.ID_OK, _(u'Authenticate'), )
self.loginBtn.SetDefault()
_tab_order = []
# widgets
if self.sshproxy_auth:
self.sshProxyUserLbl = wx.StaticText(self, wx.ID_ANY, _(u'Username')+':', size=(-1, -1))
self.sshProxyUserTxt = wx.TextCtrl(self, wx.ID_ANY, '', style=wx.TE_PROCESS_ENTER, size=(120, -1))
self.sshProxyPasswordLbl = wx.StaticText(self, wx.ID_ANY, _(u'Password')+':', size=(-1, -1))
self.sshProxyPasswordTxt = wx.TextCtrl(self, wx.ID_ANY, '', style=wx.TE_PROCESS_ENTER|wx.TE_PASSWORD, size=(120, -1))
self.sshProxyPasswordTxt.SetFocus()
self.sshProxyLoginBtn = wx.Button(self, wx.ID_OK, ' '+_(u'Start SSH tunnel')+' ')
self.sshProxyLoginBtn.SetDefault()
_tab_order.extend([self.sshProxyUserTxt, self.sshProxyPasswordTxt, self.sshProxyLoginBtn, ])
headerWidth = max(self.userLbl.GetSize().GetWidth(), self.passwordLbl.GetSize().GetWidth()) + 150
sshProxyHeaderWidth = max(self.sshProxyUserLbl.GetSize().GetWidth(), self.sshProxyPasswordLbl.GetSize().GetWidth()) + 150
self.headerLbl = wx.StaticText(self, wx.ID_ANY, _(u'Session login')+':', size=(headerWidth, -1))
self.sshProxyHeaderLbl = wx.StaticText(self, wx.ID_ANY, _(u'SSH proxy server login')+':', size=(sshProxyHeaderWidth, -1))
self.headerLbl.SetFont(wx.Font(-1, wx.DEFAULT, wx.NORMAL, wx.FONTWEIGHT_BOLD, 0, ""))
self.sshProxyHeaderLbl.SetFont(wx.Font(-1, wx.DEFAULT, wx.NORMAL, wx.FONTWEIGHT_BOLD, 0, ""))
self.headerLbl.Enable(False)
self.userLbl.Enable(False)
self.userTxt.Enable(False)
self.passwordLbl.Enable(False)
self.passwordTxt.Enable(False)
self.loginBtn.Enable(False)
self.cancelBtn = wx.Button(self, wx.ID_CANCEL, _(u'Cancel'), )
_tab_order.extend([self.userTxt, self.passwordTxt, self.loginBtn, self.cancelBtn, ])
if self.sshproxy_auth:
self.Bind(wx.EVT_BUTTON, self.OnLogin, self.sshProxyLoginBtn)
self.Bind(wx.EVT_TEXT_ENTER, self.OnLogin, self.sshProxyUserTxt)
self.Bind(wx.EVT_TEXT_ENTER, self.OnLogin, self.sshProxyPasswordTxt)
self.Bind(wx.EVT_BUTTON, self.OnLogin, self.loginBtn)
self.Bind(wx.EVT_TEXT_ENTER, self.OnLogin, self.userTxt)
self.Bind(wx.EVT_TEXT_ENTER, self.OnLogin, self.passwordTxt)
self.Bind(wx.EVT_BUTTON, self.OnCancel, self.cancelBtn)
btnSizer = wx.BoxSizer(wx.HORIZONTAL)
if not self.sshproxy_auth:
credSizer = wx.GridBagSizer(hgap=2, vgap=2)
mainSizer = wx.BoxSizer(wx.VERTICAL)
# sizer / layout
if self.sshproxy_auth:
credSizer = wx.GridBagSizer(hgap=4, vgap=2)
credSizer.Add(self.sshProxyHeaderLbl, pos=(0,0), span=(1,2), flag=wx.ALL|wx.EXPAND, border=5)
credSizer.Add(self.headerLbl, pos=(0,2), span=(1,2), flag=wx.ALL|wx.EXPAND, border=5)
credSizer.Add(self.sshProxyUserLbl, pos=(1,0), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=5)
credSizer.Add(self.sshProxyUserTxt, pos=(1,1), flag=wx.ALL, border=5)
credSizer.Add(self.userLbl, pos=(1,2), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=5)
credSizer.Add(self.userTxt, pos=(1,3), flag=wx.ALL, border=5)
else:
credSizer.Add(self.userLbl, pos=(0,0), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=5)
credSizer.Add(self.userTxt, pos=(0,1), flag=wx.ALL, border=5)
if self.sshproxy_auth:
credSizer.Add(self.sshProxyPasswordLbl, pos=(2,0), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=5)
credSizer.Add(self.sshProxyPasswordTxt, pos=(2,1), flag=wx.ALL, border=5)
credSizer.Add(self.passwordLbl, pos=(2,2), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=5)
credSizer.Add(self.passwordTxt, pos=(2,3), flag=wx.ALL, border=5)
else:
credSizer.Add(self.passwordLbl, pos=(1,0), flag=wx.LEFT|wx.ALIGN_CENTER_VERTICAL, border=5)
credSizer.Add(self.passwordTxt, pos=(1,1), flag=wx.ALL, border=5)
if self.sshproxy_auth:
btnSizer.Add(self.sshProxyLoginBtn, 0, wx.ALL, 5)
btnSizer.Add(self.loginBtn, 0, wx.ALL, 5)
btnSizer.Add(self.cancelBtn, 0, wx.ALL, 5)
mainSizer.Add(credSizer, 0, wx.ALL, 5)
mainSizer.Add(btnSizer, 0, wx.ALL|wx.ALIGN_RIGHT, 5)
if self.current_profile_config.has_key('user'):
self.userTxt.SetValue(self.current_profile_config['user'])
if not self.current_profile_config['user'] and not self.sshproxy_auth:
self.userTxt.SetFocus()
if self.sshproxy_auth:
if self.current_profile_config.has_key('sshproxyuser'):
if self.current_profile_config.has_key('sshproxysameuser') and not self.current_profile_config['sshproxysameuser']:
self.sshProxyUserTxt.SetValue(self.current_profile_config['sshproxyuser'])
if self.current_profile_config.has_key('user'):
if self.current_profile_config.has_key('sshproxysameuser') and self.current_profile_config['sshproxysameuser']:
self.sshProxyUserTxt.SetValue(self.current_profile_config['user'])
# Logged in variable
self.loggedIn = False
self.SetSizerAndFit(mainSizer)
self.Layout()
for i in xrange(len(_tab_order) - 1):
_tab_order[i+1].MoveAfterInTabOrder(_tab_order[i])
maxX, maxY = wx.GetDisplaySize()
if self._PyHocaGUI.logon_window_position_x and self._PyHocaGUI.logon_window_position_y:
# allow positioning of logon window via command line option
if self._PyHocaGUI.logon_window_position_x < 0:
move_x = maxX - (self.GetSize().GetWidth() + self._PyHocaGUI.logon_window_position_x)
else:
move_x = self._PyHocaGUI.logon_window_position_x
if self._PyHocaGUI.logon_window_position_y < 0:
move_y = maxX - (self.GetSize().GetHeight() + self._PyHocaGUI.logon_window_position_y)
else:
move_y = self._PyHocaGUI.logon_window_position_y
elif (x2go.X2GOCLIENT_OS == 'Linux') and (WINDOW_MANAGER in ('gnome', 'gnome-fallback', 'awesome', 'mate', 'ubuntu', 'ubuntu-2d', 'openbox-gnome', )):
# automatically place logon Window for GNOME, awesome
move_x = maxX - (self.GetSize().GetWidth() + 20)
move_y = 35
else:
# automatically place logon Window for KDE4, LXDE, etc.
move_x = maxX - (self.GetSize().GetWidth() + 20)
move_y = maxY - (self.GetSize().GetHeight() + 70)
self.Move((move_x, move_y))
self.Show()
def OnLogin(self, evt):
"""\
If the user clicks ,,Ok'' in the logon window.
@param evt: event
@type evt: C{obj}
"""
username = self.userTxt.GetValue()
password = self.passwordTxt.GetValue()
connect_failed = False
if self.sshproxy_auth:
sshproxy_user = self.sshProxyUserTxt.GetValue()
sshproxy_password = self.sshProxyPasswordTxt.GetValue()
if len(sshproxy_user) == 0:
return
if len(sshproxy_password) == 0:
return
# in case of a host key validity check, we will disable all widgets in the window
self.sshProxyHeaderLbl.Enable(False)
self.sshProxyUserLbl.Enable(False)
self.sshProxyUserTxt.Enable(False)
self.sshProxyPasswordLbl.Enable(False)
self.sshProxyPasswordTxt.Enable(False)
self.sshProxyLoginBtn.Enable(False)
self.cancelBtn.Enable(False)
elif self.current_profile_config['sshproxysamepass']:
sshproxy_user = None
sshproxy_password = self.passwordTxt.GetValue()
else:
sshproxy_user = sshproxy_password = None
if (not self.sshproxy_auth) or self.sshproxy_started:
if len(username) == 0:
return
if len(password) == 0:
return
if self.sshproxy_auth and (not self.sshproxy_started):
force_password_auth = False
sshproxy_force_password_auth = True
else:
force_password_auth = True
sshproxy_force_password_auth = True
wx.BeginBusyCursor()
session_uuid = self._PyHocaGUI._X2GoClient__client_registered_sessions_of_profile_name(self.current_profile_name)[0]
try:
self._PyHocaGUI._X2GoClient__connect_session(session_uuid,
username=username,
password=password,
passphrase=self.passphrase,
force_password_auth=(force_password_auth and not self.twofactor_auth),
add_to_known_hosts=self._PyHocaGUI.add_to_known_hosts,
sshproxy_user=sshproxy_user,
sshproxy_password=sshproxy_password,
sshproxy_passphrase=self.sshproxy_passphrase,
sshproxy_force_password_auth=(sshproxy_force_password_auth and not self.sshproxy_twofactor_auth),
)
if not self._PyHocaGUI._X2GoClient__server_valid_x2gouser(session_uuid):
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - connect failure') % self.current_profile_name,
text=_(u'User is not allowed to start X2Go sessions!'),
icon='auth_error')
self._PyHocaGUI.OnServerDisconnect(evt)
else:
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - connect') % self.current_profile_name,
text=_(u'Authentication has been successful.'),
icon='auth_success')
if self._PyHocaGUI.remember_username:
_sp = self._PyHocaGUI.session_profiles
if username:
_sp.update_value(_sp.to_profile_id(self.current_profile_name), 'user', username)
if sshproxy_user:
_sp.update_value(_sp.to_profile_id(self.current_profile_name), 'sshproxyuser', sshproxy_user)
_sp.write_user_config = True
_sp.write()
except x2go.X2GoSSHProxyPasswordRequiredException:
key_filename = None
try:
if not self._PyHocaGUI._X2GoClient__get_session(session_uuid).sshproxy_params['sshproxy_look_for_keys']:
key_filename = self._PyHocaGUI._X2GoClient__get_session(session_uuid).sshproxy_params['sshproxy_key_filename']
except KeyError:
pass
self._pyhoca_logger('SSH private key file (for SSH proxy) is encrypted and requires a passphrase', loglevel=x2go.log.loglevel_INFO, )
_passphrase_window = passphrase.PyHocaGUI_DialogBoxPassphrase(self._PyHocaGUI, self.current_profile_name, caller=self, password=password, sshproxy_auth=True, key_filename=key_filename)
self._PyHocaGUI._logon_windows[self.current_profile_name] = _passphrase_window
except x2go.AuthenticationException:
if self.sshproxy_auth and (not self.sshproxy_started):
try: wx.EndBusyCursor()
except: pass
self.sshproxy_started = True
self.headerLbl.Enable(True)
self.userLbl.Enable(True)
self.userTxt.Enable(True)
self.passwordLbl.Enable(True)
self.passwordTxt.Enable(True)
self.passwordTxt.SetFocus()
self.loginBtn.Enable(True)
self.loginBtn.SetDefault()
self.cancelBtn.Enable(True)
self.sshProxyHeaderLbl.Enable(False)
self.sshProxyUserLbl.Enable(False)
self.sshProxyUserTxt.Enable(False)
self.sshProxyPasswordLbl.Enable(False)
self.sshProxyPasswordTxt.Enable(False)
self.sshProxyLoginBtn.Enable(False)
self.sshProxyLoginBtn.SetLabel(_(u'SSH tunnel started'))
return
else:
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - connect failure') % self.current_profile_name,
text=_(u'Authentication failed!'),
icon='auth_failed')
connect_failed = True
except x2go.X2GoSSHProxyAuthenticationException:
try: wx.EndBusyCursor()
except: pass
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - SSH proxy') % self.current_profile_name,
text=_(u'Authentication to the SSH proxy server failed!'),
icon='auth_failed')
if not self.current_profile_config['sshproxysamepass']:
self._PyHocaGUI.notifier.send(self.current_profile_name, context='AUTH_%s' % self.current_profile_name, timeout=4000)
if self.sshproxy_auth:
self.sshProxyPasswordTxt.SetValue('')
self.sshProxyHeaderLbl.Enable(True)
self.sshProxyUserLbl.Enable(True)
self.sshProxyUserTxt.Enable(True)
self.sshProxyPasswordLbl.Enable(True)
self.sshProxyPasswordTxt.Enable(True)
self.sshProxyLoginBtn.Enable(True)
self.cancelBtn.Enable(True)
return
else:
connect_failed = True
#except gevent.dns.DNSError, e:
# self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
# title=_(u'%s - DNS error') % self.current_profile_name,
# text=e.strerror + '!',
# icon='auth_error')
# connect_failed = True
except gevent.socket.error, e:
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - socket error') % self.current_profile_name,
text=e.strerror + '!',
icon='auth_error')
connect_failed = True
except x2go.X2GoHostKeyException, e:
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - host key error') % self.current_profile_name,
text=_(u'The remote server\'s host key is invalid or has not been accepted by the user') + '!',
icon='auth_error',
timeout=4000)
connect_failed = True
except x2go.X2GoRemoteHomeException, e:
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - missing home directory') % self.current_profile_name,
text=_("The remote user's home directory does not exist."),
icon='auth_error',
timeout=4000)
connect_failed = True
except x2go.X2GoSSHProxyException, e:
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - key error') % self.current_profile_name,
text='%s!' % str(e),
icon='auth_error',
timeout=4000)
connect_failed = True
except x2go.X2GoSessionException, e:
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - auth error') % self.current_profile_name,
text='%s!' % str(e),
icon='auth_error',
timeout=4000)
connect_failed = True
except x2go.SSHException, e:
if str(e).startswith('Two-factor authentication requires a password'):
if self.sshproxy_auth and (not self.sshproxy_started):
try: wx.EndBusyCursor()
except: pass
self.sshproxy_started = True
self.headerLbl.Enable(True)
self.userLbl.Enable(True)
self.userTxt.Enable(True)
self.passwordLbl.Enable(True)
self.passwordTxt.Enable(True)
self.passwordTxt.SetFocus()
self.loginBtn.Enable(True)
self.loginBtn.SetDefault()
self.cancelBtn.Enable(True)
self.sshProxyHeaderLbl.Enable(False)
self.sshProxyUserLbl.Enable(False)
self.sshProxyUserTxt.Enable(False)
self.sshProxyPasswordLbl.Enable(False)
self.sshProxyPasswordTxt.Enable(False)
self.sshProxyLoginBtn.Enable(False)
self.sshProxyLoginBtn.SetLabel(_(u'SSH tunnel started'))
return
if str(e).startswith('Host key for server ') and str(e).endswith(' does not match!'):
errmsg = _('Host key verification failed. The X2Go server may have been compromised.\n\nIt is also possible that the host key has just been changed.\n\nHowever, for security reasons the connection will not be established!!!')
else:
errmsg = str(e)
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - SSH error') % self.current_profile_name,
text='%s' % errmsg,
icon='auth_error',
timeout=10000)
connect_failed = True
except:
self._PyHocaGUI.notifier.prepare('AUTH_%s' % self.current_profile_name,
title=_(u'%s - unknown error') % self.current_profile_name,
text=_(u'An unknown error occured during authentication!'),
icon='auth_error')
connect_failed = True
if self._PyHocaGUI.args.debug or self._PyHocaGUI.args.libdebug or (os.environ.has_key('PYHOCAGUI_DEVELOPMENT') and os.environ['PYHOCAGUI_DEVELOPMENT'] == '1'):
raise
self._PyHocaGUI.notifier.send(self.current_profile_name, context='AUTH_%s' % self.current_profile_name, timeout=4000)
wx.SetCursor(wx.StockCursor(wx.CURSOR_ARROW))
# Windows's GUI is more picky then Linux's GTK GUI about EndBusyCursor if cursor is not busy...
try: wx.EndBusyCursor()
except: pass
if connect_failed and self._PyHocaGUI.exit_on_disconnect:
self._PyHocaGUI.WakeUpIdle()
self._PyHocaGUI.ExitMainLoop()
if self._PyHocaGUI._X2GoClient__is_session_connected(session_uuid):
self._PyHocaGUI._post_authenticate(evt, session_uuid)
self.sshproxy_started = False
try: del self._PyHocaGUI._logon_windows[self.current_profile_name]
except KeyError: pass
self.Close()
self.Destroy()
def OnCancel(self, evt):
"""
If the user clicks ,,Cancel'' in the logon window.
@param evt: event
@type evt: C{obj}
"""
self.Close()
self.Destroy()
def Destroy(self):
"""
Tidy up some stuff in the main application instance when the logon window gets destroyed.
"""
self._PyHocaGUI.gevent_sleep_when_idle = 0.25
try:
self._PyHocaGUI._sub_windows.remove(self)
except ValueError:
pass
try:
self._PyHocaGUI._temp_disabled_profile_names.remove(self.current_profile_name)
except ValueError:
pass
wx.Dialog.Destroy(self)
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