mirror of
https://github.com/virt-manager/virt-manager.git
synced 2024-10-27 01:55:20 +03:00
connection: Move auth helpers to own file
This commit is contained in:
Cole Robinson
parent
3bf6d17059
commit
cb777cd7d4
@ -12,6 +12,7 @@ src/virtManager/clone.py
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src/virtManager/config.py
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src/virtManager/connect.py
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src/virtManager/connection.py
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src/virtManager/connectauth.py
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src/virtManager/console.py
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src/virtManager/create.py
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src/virtManager/createinterface.py
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186
src/virtManager/connectauth.py
Normal file
186
src/virtManager/connectauth.py
Normal file
@ -0,0 +1,186 @@
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#
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# Copyright (C) 2012 Red Hat, Inc.
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# Copyright (C) 2012 Cole Robinson <crobinso@redhat.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301 USA.
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#
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import logging
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import os
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import dbus
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import libvirt
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def do_we_have_session():
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pid = os.getpid()
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try:
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bus = dbus.SystemBus()
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except:
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logging.exception("Error getting system bus handle")
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return False
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# Check ConsoleKit
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try:
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manager = dbus.Interface(bus.get_object(
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"org.freedesktop.ConsoleKit",
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"/org/freedesktop/ConsoleKit/Manager"),
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"org.freedesktop.ConsoleKit.Manager")
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except:
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logging.exception("Couldn't connect to ConsoleKit")
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return False
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try:
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ret = manager.GetSessionForUnixProcess(pid)
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logging.debug("Found ConsoleKit session=%s", ret)
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except:
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logging.exception("Failed to lookup pid session")
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return False
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return True
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def creds_polkit(action):
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"""
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Libvirt openAuth callback for PolicyKit < 1.0
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"""
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if os.getuid() == 0:
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logging.debug("Skipping policykit check as root")
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return 0
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logging.debug("Doing policykit for %s", action)
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try:
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# First try to use org.freedesktop.PolicyKit.AuthenticationAgent
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# which is introduced with PolicyKit-0.7
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bus = dbus.SessionBus()
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obj = bus.get_object("org.freedesktop.PolicyKit.AuthenticationAgent",
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"/")
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pkit = dbus.Interface(obj,
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"org.freedesktop.PolicyKit.AuthenticationAgent")
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pkit.ObtainAuthorization(action, 0, os.getpid())
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except dbus.exceptions.DBusException, e:
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if (e.get_dbus_name() != "org.freedesktop.DBus.Error.ServiceUnknown"):
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raise
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# If PolicyKit < 0.7, fallback to org.gnome.PolicyKit
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logging.debug("Falling back to org.gnome.PolicyKit")
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obj = bus.get_object("org.gnome.PolicyKit",
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"/org/gnome/PolicyKit/Manager")
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pkit = dbus.Interface(obj, "org.gnome.PolicyKit.Manager")
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pkit.ShowDialog(action, 0)
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return 0
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def creds_dialog(creds):
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"""
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Thread safe wrapper for libvirt openAuth user/pass callback
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"""
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try:
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import gtk
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gtk.gdk.threads_enter()
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return creds_dialog_main(creds)
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finally:
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gtk.gdk.threads_leave()
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def creds_dialog_main(creds):
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"""
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Libvirt openAuth callback for username/password credentials
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"""
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import gtk
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dialog = gtk.Dialog("Authentication required", None, 0,
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(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
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gtk.STOCK_OK, gtk.RESPONSE_OK))
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label = []
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entry = []
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box = gtk.Table(2, len(creds))
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box.set_border_width(6)
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box.set_row_spacings(6)
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box.set_col_spacings(12)
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def _on_ent_activate(ent):
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idx = entry.index(ent)
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if idx < len(entry) - 1:
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entry[idx + 1].grab_focus()
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else:
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dialog.response(gtk.RESPONSE_OK)
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row = 0
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for cred in creds:
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if (cred[0] == libvirt.VIR_CRED_AUTHNAME or
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cred[0] == libvirt.VIR_CRED_PASSPHRASE):
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prompt = cred[1]
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if not prompt.endswith(":"):
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prompt += ":"
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text_label = gtk.Label(prompt)
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text_label.set_alignment(0.0, 0.5)
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label.append(text_label)
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else:
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return -1
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ent = gtk.Entry()
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if cred[0] == libvirt.VIR_CRED_PASSPHRASE:
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ent.set_visibility(False)
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ent.connect("activate", _on_ent_activate)
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entry.append(ent)
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box.attach(label[row], 0, 1, row, row + 1, gtk.FILL, 0, 0, 0)
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box.attach(entry[row], 1, 2, row, row + 1, gtk.FILL, 0, 0, 0)
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row = row + 1
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vbox = dialog.get_child()
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vbox.add(box)
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dialog.show_all()
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res = dialog.run()
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dialog.hide()
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if res == gtk.RESPONSE_OK:
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row = 0
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for cred in creds:
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cred[4] = entry[row].get_text()
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row = row + 1
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dialog.destroy()
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return 0
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else:
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dialog.destroy()
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return -1
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def acquire_tgt():
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"""
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Try to get kerberos ticket if openAuth seems to require it
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"""
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logging.debug("In acquire tgt.")
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try:
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bus = dbus.SessionBus()
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ka = bus.get_object('org.gnome.KrbAuthDialog',
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'/org/gnome/KrbAuthDialog')
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ret = ka.acquireTgt("", dbus_interface='org.gnome.KrbAuthDialog')
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except Exception, e:
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logging.info("Cannot acquire tgt" + str(e))
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ret = False
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return ret
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@ -26,20 +26,19 @@ import threading
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import time
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import traceback
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import dbus
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import libvirt
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import virtinst
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from virtManager import util
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from virtManager import connectauth
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from virtManager.baseclass import vmmGObject
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from virtManager.domain import vmmDomain
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from virtManager.network import vmmNetwork
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from virtManager.storagepool import vmmStoragePool
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from virtManager.interface import vmmInterface
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from virtManager.netdev import vmmNetDevice
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from virtManager.mediadev import vmmMediaDevice
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from virtManager.netdev import vmmNetDevice
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from virtManager.network import vmmNetwork
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from virtManager.nodedev import vmmNodeDevice
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from virtManager.storagepool import vmmStoragePool
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def _is_virtinst_test_uri(uri):
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try:
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@ -48,33 +47,6 @@ def _is_virtinst_test_uri(uri):
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except:
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return False
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def _do_we_have_session():
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pid = os.getpid()
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try:
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bus = dbus.SystemBus()
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except:
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logging.exception("Error getting system bus handle")
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return False
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# Check ConsoleKit
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try:
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manager = dbus.Interface(bus.get_object(
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"org.freedesktop.ConsoleKit",
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"/org/freedesktop/ConsoleKit/Manager"),
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"org.freedesktop.ConsoleKit.Manager")
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except:
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logging.exception("Couldn't connect to ConsoleKit")
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return False
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try:
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ret = manager.GetSessionForUnixProcess(pid)
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logging.debug("Found ConsoleKit session=%s", ret)
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except:
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logging.exception("Failed to lookup pid session")
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return False
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return True
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class vmmConnection(vmmGObject):
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@ -994,121 +966,6 @@ class vmmConnection(vmmGObject):
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self.connectThread.setDaemon(True)
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self.connectThread.start()
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def _do_creds_polkit(self, action):
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"""
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Libvirt openAuth callback for PolicyKit < 1.0
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"""
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if os.getuid() == 0:
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logging.debug("Skipping policykit check as root")
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return 0
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logging.debug("Doing policykit for %s", action)
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try:
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# First try to use org.freedesktop.PolicyKit.AuthenticationAgent
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# which is introduced with PolicyKit-0.7
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bus = dbus.SessionBus()
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obj = bus.get_object(
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"org.freedesktop.PolicyKit.AuthenticationAgent", "/")
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pkit = dbus.Interface(obj,
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"org.freedesktop.PolicyKit.AuthenticationAgent")
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pkit.ObtainAuthorization(action, 0, os.getpid())
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except dbus.exceptions.DBusException, e:
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if (e.get_dbus_name() !=
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"org.freedesktop.DBus.Error.ServiceUnknown"):
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raise
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logging.debug("Falling back to org.gnome.PolicyKit")
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# If PolicyKit < 0.7, fallback to org.gnome.PolicyKit
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obj = bus.get_object("org.gnome.PolicyKit",
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"/org/gnome/PolicyKit/Manager")
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pkit = dbus.Interface(obj, "org.gnome.PolicyKit.Manager")
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pkit.ShowDialog(action, 0)
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return 0
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def _do_creds_dialog(self, creds):
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"""
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Thread safe wrapper for libvirt openAuth user/pass callback
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"""
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try:
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import gtk
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gtk.gdk.threads_enter()
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return self._do_creds_dialog_main(creds)
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finally:
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gtk.gdk.threads_leave()
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def _do_creds_dialog_main(self, creds):
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"""
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Libvirt openAuth callback for username/password credentials
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"""
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import gtk
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dialog = gtk.Dialog("Authentication required", None, 0,
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(gtk.STOCK_CANCEL, gtk.RESPONSE_CANCEL,
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gtk.STOCK_OK, gtk.RESPONSE_OK))
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label = []
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entry = []
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box = gtk.Table(2, len(creds))
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box.set_border_width(6)
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box.set_row_spacings(6)
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box.set_col_spacings(12)
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def _on_ent_activate(ent):
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idx = entry.index(ent)
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if idx < len(entry) - 1:
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entry[idx + 1].grab_focus()
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else:
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dialog.response(gtk.RESPONSE_OK)
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row = 0
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for cred in creds:
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if (cred[0] == libvirt.VIR_CRED_AUTHNAME or
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cred[0] == libvirt.VIR_CRED_PASSPHRASE):
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prompt = cred[1]
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if not prompt.endswith(":"):
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prompt += ":"
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text_label = gtk.Label(prompt)
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text_label.set_alignment(0.0, 0.5)
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label.append(text_label)
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else:
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return -1
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ent = gtk.Entry()
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if cred[0] == libvirt.VIR_CRED_PASSPHRASE:
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ent.set_visibility(False)
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ent.connect("activate", _on_ent_activate)
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entry.append(ent)
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box.attach(label[row], 0, 1, row, row + 1, gtk.FILL, 0, 0, 0)
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box.attach(entry[row], 1, 2, row, row + 1, gtk.FILL, 0, 0, 0)
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row = row + 1
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vbox = dialog.get_child()
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vbox.add(box)
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dialog.show_all()
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res = dialog.run()
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dialog.hide()
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if res == gtk.RESPONSE_OK:
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row = 0
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for cred in creds:
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cred[4] = entry[row].get_text()
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row = row + 1
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dialog.destroy()
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return 0
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else:
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dialog.destroy()
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return -1
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def _do_creds(self, creds, cbdata):
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"""
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Generic libvirt openAuth callback
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@ -1118,13 +975,13 @@ class vmmConnection(vmmGObject):
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if (len(creds) == 1 and
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creds[0][0] == libvirt.VIR_CRED_EXTERNAL and
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creds[0][2] == "PolicyKit"):
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return self._do_creds_polkit(creds[0][1])
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return connectauth.creds_polkit(creds[0][1])
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for cred in creds:
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if cred[0] == libvirt.VIR_CRED_EXTERNAL:
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return -1
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return self._do_creds_dialog(creds)
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return connectauth.creds_dialog(creds)
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except Exception, e:
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# Detailed error message, in English so it can be Googled.
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self.connectError = (
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@ -1132,21 +989,6 @@ class vmmConnection(vmmGObject):
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(self.get_uri(), str(e), "".join(traceback.format_exc())))
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return -1
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def _acquire_tgt(self):
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"""
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Try to get kerberos ticket if openAuth seems to require it
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"""
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logging.debug("In acquire tgt.")
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try:
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bus = dbus.SessionBus()
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ka = bus.get_object('org.gnome.KrbAuthDialog',
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'/org/gnome/KrbAuthDialog')
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ret = ka.acquireTgt("", dbus_interface='org.gnome.KrbAuthDialog')
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except Exception, e:
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logging.info("Cannot acquire tgt" + str(e))
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ret = False
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return ret
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def _try_open(self):
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flags = 0
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@ -1209,14 +1051,15 @@ class vmmConnection(vmmGObject):
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logging.debug("Looks like we might have failed policykit "
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"auth. Checking to see if we have a valid "
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"console session")
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if not self.is_remote() and not _do_we_have_session():
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if (not self.is_remote() and
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not connectauth.do_we_have_session()):
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warnconsole = True
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if (libexc and
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libexc.get_error_code() == libvirt.VIR_ERR_AUTH_FAILED and
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"GSSAPI Error" in libexc.get_error_message() and
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"No credentials cache found" in libexc.get_error_message()):
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if self._acquire_tgt():
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if connectauth.acquire_tgt():
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continue
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self.connectError = (str(exc), tb, warnconsole)
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Reference in New Issue
Block a user