root / image_creator / os_type / windows.py @ 06bfd21a
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# -*- coding: utf-8 -*-
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#
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# Copyright 2012 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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# 1. Redistributions of source code must retain the above
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# copyright notice, this list of conditions and the following
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# disclaimer.
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#
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# 2. Redistributions in binary form must reproduce the above
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# copyright notice, this list of conditions and the following
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# disclaimer in the documentation and/or other materials
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# provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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"""This module hosts OS-specific code common for the various Microsoft
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Windows OSs."""
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from image_creator.os_type import OSBase, sysprep |
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from image_creator.util import FatalError, check_guestfs_version, get_command |
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from image_creator.winexe import WinEXE, WinexeTimeout |
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import hivex |
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import tempfile |
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import os |
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import signal |
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import time |
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import random |
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import string |
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import subprocess |
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import struct |
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BOOT_TIMEOUT = 300
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SHUTDOWN_TIMEOUT = 120
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CONNECTION_RETRIES = 5
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# For more info see: http://technet.microsoft.com/en-us/library/jj612867.aspx
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KMS_CLIENT_SETUP_KEYS = { |
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"Windows 8 Professional": "NG4HW-VH26C-733KW-K6F98-J8CK4", |
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"Windows 8 Professional N": "XCVCF-2NXM9-723PB-MHCB7-2RYQQ", |
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"Windows 8 Enterprise": "32JNW-9KQ84-P47T8-D8GGY-CWCK7", |
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"Windows 8 Enterprise N": "JMNMF-RHW7P-DMY6X-RF3DR-X2BQT", |
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"Windows Server 2012 Core": "BN3D2-R7TKB-3YPBD-8DRP2-27GG4", |
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"Windows Server 2012 Core N": "8N2M2-HWPGY-7PGT9-HGDD8-GVGGY", |
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"Windows Server 2012 Core Single Language":
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"2WN2H-YGCQR-KFX6K-CD6TF-84YXQ",
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"Windows Server 2012 Core Country Specific":
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"4K36P-JN4VD-GDC6V-KDT89-DYFKP",
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"Windows Server 2012 Server Standard": "XC9B7-NBPP2-83J2H-RHMBY-92BT4", |
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"Windows Server 2012 Standard Core": "XC9B7-NBPP2-83J2H-RHMBY-92BT4", |
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"Windows Server 2012 MultiPoint Standard": "HM7DN-YVMH3-46JC3-XYTG7-CYQJJ", |
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"Windows Server 2012 MultiPoint Premium": "XNH6W-2V9GX-RGJ4K-Y8X6F-QGJ2G", |
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"Windows Server 2012 Datacenter": "48HP8-DN98B-MYWDG-T2DCC-8W83P", |
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"Windows Server 2012 Datacenter Core": "48HP8-DN98B-MYWDG-T2DCC-8W83P", |
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"Windows 7 Professional": "FJ82H-XT6CR-J8D7P-XQJJ2-GPDD4", |
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"Windows 7 Professional N": "MRPKT-YTG23-K7D7T-X2JMM-QY7MG", |
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"Windows 7 Professional E": "W82YF-2Q76Y-63HXB-FGJG9-GF7QX", |
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"Windows 7 Enterprise": "33PXH-7Y6KF-2VJC9-XBBR8-HVTHH", |
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"Windows 7 Enterprise N": "YDRBP-3D83W-TY26F-D46B2-XCKRJ", |
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"Windows 7 Enterprise E": "C29WB-22CC8-VJ326-GHFJW-H9DH4", |
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"Windows Server 2008 R2 Web": "6TPJF-RBVHG-WBW2R-86QPH-6RTM4", |
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"Windows Server 2008 R2 HPC edition": "TT8MH-CG224-D3D7Q-498W2-9QCTX", |
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"Windows Server 2008 R2 Standard": "YC6KT-GKW9T-YTKYR-T4X34-R7VHC", |
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"Windows Server 2008 R2 Enterprise": "489J6-VHDMP-X63PK-3K798-CPX3Y", |
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"Windows Server 2008 R2 Datacenter": "74YFP-3QFB3-KQT8W-PMXWJ-7M648", |
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"Windows Server 2008 R2 for Itanium-based Systems":
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"GT63C-RJFQ3-4GMB6-BRFB9-CB83V",
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"Windows Vista Business": "YFKBB-PQJJV-G996G-VWGXY-2V3X8", |
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"Windows Vista Business N": "HMBQG-8H2RH-C77VX-27R82-VMQBT", |
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"Windows Vista Enterprise": "VKK3X-68KWM-X2YGT-QR4M6-4BWMV", |
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"Windows Vista Enterprise N": "VTC42-BM838-43QHV-84HX6-XJXKV", |
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"Windows Web Server 2008": "WYR28-R7TFJ-3X2YQ-YCY4H-M249D", |
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"Windows Server 2008 Standard": "TM24T-X9RMF-VWXK6-X8JC9-BFGM2", |
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"Windows Server 2008 Standard without Hyper-V":
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"W7VD6-7JFBR-RX26B-YKQ3Y-6FFFJ",
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"Windows Server 2008 Enterprise":
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"YQGMW-MPWTJ-34KDK-48M3W-X4Q6V",
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"Windows Server 2008 Enterprise without Hyper-V":
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"39BXF-X8Q23-P2WWT-38T2F-G3FPG",
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"Windows Server 2008 HPC": "RCTX3-KWVHP-BR6TB-RB6DM-6X7HP", |
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"Windows Server 2008 Datacenter": "7M67G-PC374-GR742-YH8V4-TCBY3", |
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"Windows Server 2008 Datacenter without Hyper-V":
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"22XQ2-VRXRG-P8D42-K34TD-G3QQC",
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"Windows Server 2008 for Itanium-Based Systems":
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"4DWFP-JF3DJ-B7DTH-78FJB-PDRHK"}
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class Windows(OSBase): |
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"""OS class for Windows"""
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def __init__(self, image, **kargs): |
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super(Windows, self).__init__(image, **kargs) |
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device = self.g.part_to_dev(self.root) |
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self.last_part_num = self.g.part_list(device)[-1]['part_num'] |
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self.last_drive = None |
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self.system_drive = None |
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for drive, partition in self.g.inspect_get_drive_mappings(self.root): |
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if partition == "%s%d" % (device, self.last_part_num): |
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self.last_drive = drive
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if partition == self.root: |
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self.system_drive = drive
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assert self.system_drive |
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self.product_name = self.g.inspect_get_product_name(self.root) |
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def needed_sysprep_params(self): |
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"""Returns a list of needed sysprep parameters. Each element in the
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list is a SysprepParam object.
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"""
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password = self.SysprepParam(
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'password', 'Image Administrator Password', 20, lambda x: True) |
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return [password]
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@sysprep('Disabling IPv6 privacy extensions') |
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def disable_ipv6_privacy_extensions(self): |
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"""Disable IPv6 privacy extensions"""
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self._guest_exec('netsh interface ipv6 set global ' |
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'randomizeidentifiers=disabled store=persistent')
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@sysprep('Disabling Teredo interface') |
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def disable_teredo(self): |
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"""Disable Teredo interface"""
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self._guest_exec('netsh interface teredo set state disabled') |
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@sysprep('Disabling ISATAP Adapters') |
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def disable_isatap(self): |
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"""Disable ISATAP Adapters"""
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self._guest_exec('netsh interface isa set state disabled') |
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@sysprep('Enabling ping responses') |
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def enable_pings(self): |
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"""Enable ping responses"""
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self._guest_exec('netsh firewall set icmpsetting 8') |
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@sysprep('Disabling hibernation support') |
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def disable_hibernation(self): |
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"""Disable hibernation support and remove the hibernation file"""
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self._guest_exec(r'powercfg.exe /hibernate off') |
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@sysprep('Setting the system clock to UTC') |
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def utc(self): |
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"""Set the hardware clock to UTC"""
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path = r'HKLM\SYSTEM\CurrentControlSet\Control\TimeZoneInformation'
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self._guest_exec(
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r'REG ADD %s /v RealTimeIsUniversal /t REG_DWORD /d 1 /f' % path)
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@sysprep('Clearing the event logs') |
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def clear_logs(self): |
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"""Clear all the event logs"""
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self._guest_exec(
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r"cmd /q /c for /f %l in ('wevtutil el') do wevtutil cl %l")
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@sysprep('Executing Sysprep on the image (may take more that 10 minutes)') |
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def microsoft_sysprep(self): |
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"""Run the Microsoft System Preparation Tool. This will remove
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system-specific data and will make the image ready to be deployed.
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After this no other task may run.
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"""
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self._guest_exec(r'C:\Windows\system32\sysprep\sysprep ' |
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r'/quiet /generalize /oobe /shutdown')
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self.syspreped = True |
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@sysprep('Converting the image into a KMS client', enabled=False) |
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def kms_client_setup(self): |
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"""Install the appropriate KMS client setup key to the image to convert
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it to a KMS client. Computers that are running volume licensing
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editions of Windows 8, Windows Server 2012, Windows 7, Windows Server
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2008 R2, Windows Vista, and Windows Server 2008 are, by default, KMS
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clients with no additional configuration needed.
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"""
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try:
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setup_key = KMS_CLIENT_SETUP_KEYS[self.product_name]
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except KeyError: |
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self.out.warn(
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"Don't know the KMS client setup key for product: `%s'" %
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self.product_name)
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return
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self._guest_exec(
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"cscript \Windows\system32\slmgr.vbs /ipk %s" % setup_key)
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@sysprep('Shrinking the last filesystem') |
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def shrink(self): |
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"""Shrink the last filesystem. Make sure the filesystem is defragged"""
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# Query for the maximum number of reclaimable bytes
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cmd = ( |
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r'cmd /Q /V:ON /C "SET SCRIPT=%TEMP%\QUERYMAX_%RANDOM%.TXT & ' +
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r'ECHO SELECT DISK 0 > %SCRIPT% & ' +
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'ECHO SELECT PARTITION %d >> %%SCRIPT%% & ' % self.last_part_num + |
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r'ECHO SHRINK QUERYMAX >> %SCRIPT% & ' +
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r'ECHO EXIT >> %SCRIPT% & ' +
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r'DISKPART /S %SCRIPT% & ' +
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r'IF NOT !ERRORLEVEL! EQU 0 EXIT /B 1 & ' +
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r'DEL /Q %SCRIPT%"')
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stdout, stderr, rc = self._guest_exec(cmd)
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querymax = None
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for line in stdout.splitlines(): |
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# diskpart will return something like this:
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#
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# The maximum number of reclaimable bytes is: xxxx MB
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#
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if line.find('reclaimable') >= 0: |
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querymax = line.split(':')[1].split()[0].strip() |
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assert querymax.isdigit(), \
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"Number of reclaimable bytes not a number"
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if querymax is None: |
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FatalError("Error in shrinking! "
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"Couldn't find the max number of reclaimable bytes!")
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querymax = int(querymax)
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# From ntfsresize:
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# Practically the smallest shrunken size generally is at around
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# "used space" + (20-200 MB). Please also take into account that
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# Windows might need about 50-100 MB free space left to boot safely.
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# I'll give 100MB extra space just to be sure
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querymax -= 100
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if querymax < 0: |
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self.out.warn("Not enought available space to shrink the image!") |
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return
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self.out.output("\tReclaiming %dMB ..." % querymax) |
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cmd = ( |
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r'cmd /Q /V:ON /C "SET SCRIPT=%TEMP%\QUERYMAX_%RANDOM%.TXT & ' +
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r'ECHO SELECT DISK 0 > %SCRIPT% & ' +
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'ECHO SELECT PARTITION %d >> %%SCRIPT%% & ' % self.last_part_num + |
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'ECHO SHRINK DESIRED=%d >> %%SCRIPT%% & ' % querymax +
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r'ECHO EXIT >> %SCRIPT% & ' +
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r'DISKPART /S %SCRIPT% & ' +
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r'IF NOT !ERRORLEVEL! EQU 0 EXIT /B 1 & ' +
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r'DEL /Q %SCRIPT%"')
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stdout, stderr, rc = self._guest_exec(cmd)
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for line in stdout.splitlines(): |
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if line.find('shrunk') >= 0: |
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self.out.output(line)
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def do_sysprep(self): |
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"""Prepare system for image creation."""
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if getattr(self, 'syspreped', False): |
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raise FatalError("Image is already syspreped!") |
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txt = "System preparation parameter: `%s' is needed but missing!"
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for param in self.needed_sysprep_params(): |
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if param[0] not in self.sysprep_params: |
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raise FatalError(txt % param[0]) |
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self.mount(readonly=False) |
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try:
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disabled_uac = self._update_uac_remote_setting(1) |
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token = self._enable_os_monitor()
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# disable the firewalls
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firewall_states = self._update_firewalls(0, 0, 0) |
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# Delete the pagefile. It will be recreated when the system boots
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systemroot = self.g.inspect_get_windows_systemroot(self.root) |
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pagefile = "%s/pagefile.sys" % systemroot
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self.g.rm_rf(self.g.case_sensitive_path(pagefile)) |
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finally:
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self.umount()
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self.out.output("Shutting down helper VM ...", False) |
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self.g.sync()
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# guestfs_shutdown which is the prefered way to shutdown the backend
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# process was introduced in version 1.19.16
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if check_guestfs_version(self.g, 1, 19, 16) >= 0: |
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ret = self.g.shutdown()
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else:
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ret = self.g.kill_subprocess()
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self.out.success('done') |
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vm = None
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monitor = None
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try:
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self.out.output("Starting windows VM ...", False) |
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monitorfd, monitor = tempfile.mkstemp() |
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os.close(monitorfd) |
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vm = _VM(self.image.device, monitor)
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self.out.success("started (console on vnc display: %d)." % |
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vm.display) |
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self.out.output("Waiting for OS to boot ...", False) |
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self._wait_vm_boot(vm, monitor, token)
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self.out.success('done') |
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self.out.output("Checking connectivity to the VM ...", False) |
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self._check_connectivity()
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self.out.success('done') |
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self.out.output("Disabling automatic logon ...", False) |
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self._disable_autologon()
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self.out.success('done') |
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self.out.output('Preparing system for image creation:') |
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tasks = self.list_syspreps()
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enabled = filter(lambda x: x.enabled, tasks) |
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size = len(enabled)
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# Make sure shrink runs in the end, before ms sysprep
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enabled = filter(lambda x: self.sysprep_info(x).name != 'shrink', |
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enabled) |
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shrink_enabled = False
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if len(enabled) != size: |
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enabled.append(self.shrink)
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shrink_enabled = True
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# Make sure the ms sysprep is the last task to run if it is enabled
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enabled = filter(
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lambda x: self.sysprep_info(x).name != 'microsoft-sysprep', |
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enabled) |
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ms_sysprep_enabled = False
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if len(enabled) != size: |
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enabled.append(self.microsoft_sysprep)
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ms_sysprep_enabled = True
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|
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cnt = 0
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for task in enabled: |
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cnt += 1
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self.out.output(('(%d/%d)' % (cnt, size)).ljust(7), False) |
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task() |
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setattr(task.im_func, 'executed', True) |
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|
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self.out.output("Sending shut down command ...", False) |
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if not ms_sysprep_enabled: |
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self._shutdown()
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self.out.success("done") |
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|
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self.out.output("Waiting for windows to shut down ...", False) |
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vm.wait(SHUTDOWN_TIMEOUT) |
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self.out.success("done") |
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finally:
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if monitor is not None: |
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os.unlink(monitor) |
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|
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try:
|
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if vm is not None: |
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self.out.output("Destroying windows VM ...", False) |
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vm.destroy() |
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self.out.success("done") |
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finally:
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self.out.output("Relaunching helper VM (may take a while) ...", |
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False)
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self.g.launch()
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self.out.success('done') |
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|
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self.mount(readonly=False) |
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try:
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if disabled_uac:
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self._update_uac_remote_setting(0) |
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|
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self._update_firewalls(*firewall_states)
|
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finally:
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self.umount()
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|
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def _shutdown(self): |
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"""Shuts down the windows VM"""
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self._guest_exec(r'shutdown /s /t 5') |
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|
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def _wait_vm_boot(self, vm, fname, msg): |
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"""Wait until a message appears on a file or the vm process dies"""
|
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|
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for i in range(BOOT_TIMEOUT): |
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time.sleep(1)
|
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with open(fname) as f: |
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for line in f: |
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if line.startswith(msg):
|
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return True |
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if not vm.isalive(): |
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raise FatalError("Windows VM died unexpectedly!") |
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|
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raise FatalError("Windows VM booting timed out!") |
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|
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def _disable_autologon(self): |
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"""Disable automatic logon on the windows image"""
|
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|
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winlogon = \ |
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r'"HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon"'
|
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|
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self._guest_exec('REG DELETE %s /v DefaultUserName /f' % winlogon) |
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self._guest_exec('REG DELETE %s /v DefaultPassword /f' % winlogon) |
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self._guest_exec('REG DELETE %s /v AutoAdminLogon /f' % winlogon) |
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|
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def _registry_file_path(self, regfile): |
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"""Retrieves the case sensitive path to a registry file"""
|
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|
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systemroot = self.g.inspect_get_windows_systemroot(self.root) |
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path = "%s/system32/config/%s" % (systemroot, regfile)
|
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try:
|
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path = self.g.case_sensitive_path(path)
|
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except RuntimeError as e: |
436 |
raise FatalError("Unable to retrieve registry file: %s. Reason: %s" |
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% (regfile, str(e)))
|
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return path
|
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|
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def _enable_os_monitor(self): |
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"""Add a script in the registry that will send a random string to the
|
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first serial port when the windows image finishes booting.
|
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"""
|
444 |
|
445 |
token = "".join(random.choice(string.ascii_letters) for x in range(16)) |
446 |
|
447 |
path = self._registry_file_path('SOFTWARE') |
448 |
softwarefd, software = tempfile.mkstemp() |
449 |
try:
|
450 |
os.close(softwarefd) |
451 |
self.g.download(path, software)
|
452 |
|
453 |
h = hivex.Hivex(software, write=True)
|
454 |
|
455 |
# Enable automatic logon.
|
456 |
# This is needed because we need to execute a script that we add in
|
457 |
# the RunOnce registry entry and those programs only get executed
|
458 |
# when a user logs on. There is a RunServicesOnce registry entry
|
459 |
# whose keys get executed in the background when the logon dialog
|
460 |
# box first appears, but they seem to only work with services and
|
461 |
# not arbitrary command line expressions :-(
|
462 |
#
|
463 |
# Instructions on how to turn on automatic logon in Windows can be
|
464 |
# found here: http://support.microsoft.com/kb/324737
|
465 |
#
|
466 |
# Warning: Registry change will not work if the โLogon Bannerโ is
|
467 |
# defined on the server either by a Group Policy object (GPO) or by
|
468 |
# a local policy.
|
469 |
|
470 |
winlogon = h.root() |
471 |
for child in ('Microsoft', 'Windows NT', 'CurrentVersion', |
472 |
'Winlogon'):
|
473 |
winlogon = h.node_get_child(winlogon, child) |
474 |
|
475 |
h.node_set_value( |
476 |
winlogon, |
477 |
{'key': 'DefaultUserName', 't': 1, |
478 |
'value': "Administrator".encode('utf-16le')}) |
479 |
h.node_set_value( |
480 |
winlogon, |
481 |
{'key': 'DefaultPassword', 't': 1, |
482 |
'value': self.sysprep_params['password'].encode('utf-16le')}) |
483 |
h.node_set_value( |
484 |
winlogon, |
485 |
{'key': 'AutoAdminLogon', 't': 1, |
486 |
'value': "1".encode('utf-16le')}) |
487 |
|
488 |
key = h.root() |
489 |
for child in ('Microsoft', 'Windows', 'CurrentVersion'): |
490 |
key = h.node_get_child(key, child) |
491 |
|
492 |
runonce = h.node_get_child(key, "RunOnce")
|
493 |
if runonce is None: |
494 |
runonce = h.node_add_child(key, "RunOnce")
|
495 |
|
496 |
value = ( |
497 |
r'C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe '
|
498 |
r'-ExecutionPolicy RemoteSigned '
|
499 |
r'"&{$port=new-Object System.IO.Ports.SerialPort COM1,9600,'
|
500 |
r'None,8,one;$port.open();$port.WriteLine(\"' + token + r'\");' |
501 |
r'$port.Close()}"').encode('utf-16le') |
502 |
|
503 |
h.node_set_value(runonce, |
504 |
{'key': "BootMonitor", 't': 1, 'value': value}) |
505 |
|
506 |
value = ( |
507 |
r'REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion'
|
508 |
r'\policies\system /v LocalAccountTokenFilterPolicy'
|
509 |
r' /t REG_DWORD /d 1 /f').encode('utf-16le') |
510 |
|
511 |
h.node_set_value(runonce, |
512 |
{'key': "UpdateRegistry", 't': 1, 'value': value}) |
513 |
|
514 |
h.commit(None)
|
515 |
|
516 |
self.g.upload(software, path)
|
517 |
finally:
|
518 |
os.unlink(software) |
519 |
|
520 |
return token
|
521 |
|
522 |
def _update_firewalls(self, domain, public, standard): |
523 |
"""Enables or disables the firewall for the Domain, the Public and the
|
524 |
Standard profile. Returns a triplete with the old values.
|
525 |
|
526 |
1 will enable a firewall and 0 will disable it
|
527 |
"""
|
528 |
|
529 |
if domain not in (0, 1): |
530 |
raise ValueError("Valid values for domain parameter are 0 and 1") |
531 |
|
532 |
if public not in (0, 1): |
533 |
raise ValueError("Valid values for public parameter are 0 and 1") |
534 |
|
535 |
if standard not in (0, 1): |
536 |
raise ValueError("Valid values for standard parameter are 0 and 1") |
537 |
|
538 |
path = self._registry_file_path("SYSTEM") |
539 |
systemfd, system = tempfile.mkstemp() |
540 |
try:
|
541 |
os.close(systemfd) |
542 |
self.g.download(path, system)
|
543 |
|
544 |
h = hivex.Hivex(system, write=True)
|
545 |
|
546 |
select = h.node_get_child(h.root(), 'Select')
|
547 |
current_value = h.node_get_value(select, 'Current')
|
548 |
|
549 |
# expecting a little endian dword
|
550 |
assert h.value_type(current_value)[1] == 4 |
551 |
current = "%03d" % h.value_dword(current_value)
|
552 |
|
553 |
firewall_policy = h.root() |
554 |
for child in ('ControlSet%s' % current, 'services', 'SharedAccess', |
555 |
'Parameters', 'FirewallPolicy'): |
556 |
firewall_policy = h.node_get_child(firewall_policy, child) |
557 |
|
558 |
old_values = [] |
559 |
new_values = [domain, public, standard] |
560 |
for profile in ('Domain', 'Public', 'Standard'): |
561 |
node = h.node_get_child(firewall_policy, '%sProfile' % profile)
|
562 |
|
563 |
old_value = h.node_get_value(node, 'EnableFirewall')
|
564 |
|
565 |
# expecting a little endian dword
|
566 |
assert h.value_type(old_value)[1] == 4 |
567 |
old_values.append(h.value_dword(old_value)) |
568 |
|
569 |
h.node_set_value( |
570 |
node, {'key': 'EnableFirewall', 't': 4L, |
571 |
'value': struct.pack("<I", new_values.pop(0))}) |
572 |
|
573 |
h.commit(None)
|
574 |
self.g.upload(system, path)
|
575 |
|
576 |
finally:
|
577 |
os.unlink(system) |
578 |
|
579 |
return old_values
|
580 |
|
581 |
def _update_uac_remote_setting(self, value): |
582 |
"""Updates the registry key value:
|
583 |
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies
|
584 |
\System]"LocalAccountTokenFilterPolicy"
|
585 |
|
586 |
value = 1 will disable the UAC remote restrictions
|
587 |
value = 0 will enable the UAC remote restrictions
|
588 |
|
589 |
For more info see here: http://support.microsoft.com/kb/951016
|
590 |
|
591 |
Returns:
|
592 |
True if the key is changed
|
593 |
False if the key is unchanged
|
594 |
"""
|
595 |
|
596 |
if value not in (0, 1): |
597 |
raise ValueError("Valid values for value parameter are 0 and 1") |
598 |
|
599 |
path = self._registry_file_path('SOFTWARE') |
600 |
softwarefd, software = tempfile.mkstemp() |
601 |
try:
|
602 |
os.close(softwarefd) |
603 |
self.g.download(path, software)
|
604 |
|
605 |
h = hivex.Hivex(software, write=True)
|
606 |
|
607 |
key = h.root() |
608 |
for child in ('Microsoft', 'Windows', 'CurrentVersion', 'Policies', |
609 |
'System'):
|
610 |
key = h.node_get_child(key, child) |
611 |
|
612 |
policy = None
|
613 |
for val in h.node_values(key): |
614 |
if h.value_key(val) == "LocalAccountTokenFilterPolicy": |
615 |
policy = val |
616 |
|
617 |
if policy is not None: |
618 |
dword = h.value_dword(policy) |
619 |
if dword == value:
|
620 |
return False |
621 |
elif value == 0: |
622 |
return False |
623 |
|
624 |
new_value = {'key': "LocalAccountTokenFilterPolicy", 't': 4L, |
625 |
'value': struct.pack("<I", value)} |
626 |
|
627 |
h.node_set_value(key, new_value) |
628 |
h.commit(None)
|
629 |
|
630 |
self.g.upload(software, path)
|
631 |
|
632 |
finally:
|
633 |
os.unlink(software) |
634 |
|
635 |
return True |
636 |
|
637 |
def _do_collect_metadata(self): |
638 |
"""Collect metadata about the OS"""
|
639 |
super(Windows, self)._do_collect_metadata() |
640 |
self.meta["USERS"] = " ".join(self._get_users()) |
641 |
|
642 |
def _get_users(self): |
643 |
"""Returns a list of users found in the images"""
|
644 |
path = self._registry_file_path('SAM') |
645 |
samfd, sam = tempfile.mkstemp() |
646 |
try:
|
647 |
os.close(samfd) |
648 |
self.g.download(path, sam)
|
649 |
|
650 |
h = hivex.Hivex(sam) |
651 |
|
652 |
# Navigate to /SAM/Domains/Account/Users
|
653 |
users_node = h.root() |
654 |
for child in ('SAM', 'Domains', 'Account', 'Users'): |
655 |
users_node = h.node_get_child(users_node, child) |
656 |
|
657 |
# Navigate to /SAM/Domains/Account/Users/Names
|
658 |
names_node = h.node_get_child(users_node, 'Names')
|
659 |
|
660 |
# HKEY_LOCAL_MACHINE\SAM\SAM\Domains\Account\Users\%RID%
|
661 |
# HKEY_LOCAL_MACHINE\SAM\SAM\Domains\Account\Users\Names\%Username%
|
662 |
#
|
663 |
# The RID (relative identifier) of each user is stored as the type!
|
664 |
# (not the value) of the default key of the node under Names whose
|
665 |
# name is the user's username. Under the RID node, there in a F
|
666 |
# value that contains information about this user account.
|
667 |
#
|
668 |
# See sam.h of the chntpw project on how to translate the F value
|
669 |
# of an account in the registry. Bytes 56 & 57 are the account type
|
670 |
# and status flags. The first bit is the 'account disabled' bit
|
671 |
disabled = lambda f: int(f[56].encode('hex'), 16) & 0x01 |
672 |
|
673 |
users = [] |
674 |
for user_node in h.node_children(names_node): |
675 |
username = h.node_name(user_node) |
676 |
rid = h.value_type(h.node_get_value(user_node, ""))[0] |
677 |
# if RID is 500 (=0x1f4), the corresponding node name under
|
678 |
# Users is '000001F4'
|
679 |
key = ("%8.x" % rid).replace(' ', '0').upper() |
680 |
rid_node = h.node_get_child(users_node, key) |
681 |
f_value = h.value_value(h.node_get_value(rid_node, 'F'))[1] |
682 |
|
683 |
if disabled(f_value):
|
684 |
self.out.warn("Found disabled `%s' account!" % username) |
685 |
continue
|
686 |
|
687 |
users.append(username) |
688 |
|
689 |
finally:
|
690 |
os.unlink(sam) |
691 |
|
692 |
# Filter out the guest account
|
693 |
return users
|
694 |
|
695 |
def _check_connectivity(self): |
696 |
"""Check if winexe works on the Windows VM"""
|
697 |
|
698 |
passwd = self.sysprep_params['password'] |
699 |
winexe = WinEXE('Administrator', passwd, 'localhost') |
700 |
winexe.uninstall().debug(9)
|
701 |
|
702 |
for i in range(CONNECTION_RETRIES): |
703 |
(stdout, stderr, rc) = winexe.run('cmd /C')
|
704 |
if rc == 0: |
705 |
return True |
706 |
log = tempfile.NamedTemporaryFile(delete=False)
|
707 |
try:
|
708 |
log.file.write(stdout) |
709 |
finally:
|
710 |
log.close() |
711 |
self.out.output("failed! See: `%' for the full output" % log.name) |
712 |
if i < CONNECTION_RETRIES - 1: |
713 |
self.out.output("Retrying ...", False) |
714 |
raise FatalError("Connection to the VM failed after %d retries" % |
715 |
CONNECTION_RETRIES) |
716 |
|
717 |
def _guest_exec(self, command, fatal=True): |
718 |
"""Execute a command on a windows VM"""
|
719 |
|
720 |
passwd = self.sysprep_params['password'] |
721 |
|
722 |
winexe = WinEXE('Administrator', passwd, 'localhost') |
723 |
winexe.runas('Administrator', passwd).uninstall()
|
724 |
|
725 |
try:
|
726 |
(stdout, stderr, rc) = winexe.run(command) |
727 |
except WinexeTimeout:
|
728 |
FatalError("Command: `%s' timeout out." % command)
|
729 |
|
730 |
if rc != 0 and fatal: |
731 |
reason = stderr if len(stderr) else stdout |
732 |
self.out.output("Command: `%s' failed (rc=%d). Reason: %s" % |
733 |
(command, rc, reason)) |
734 |
raise FatalError("Command: `%s' failed (rc=%d). Reason: %s" % |
735 |
(command, rc, reason)) |
736 |
|
737 |
return (stdout, stderr, rc)
|
738 |
|
739 |
|
740 |
class _VM(object): |
741 |
"""Windows Virtual Machine"""
|
742 |
def __init__(self, disk, serial): |
743 |
"""Create _VM instance
|
744 |
|
745 |
disk: VM's hard disk
|
746 |
serial: File to save the output of the serial port
|
747 |
"""
|
748 |
|
749 |
self.disk = disk
|
750 |
self.serial = serial
|
751 |
|
752 |
def random_mac(): |
753 |
mac = [0x00, 0x16, 0x3e, |
754 |
random.randint(0x00, 0x7f), |
755 |
random.randint(0x00, 0xff), |
756 |
random.randint(0x00, 0xff)] |
757 |
|
758 |
return ':'.join(map(lambda x: "%02x" % x, mac)) |
759 |
|
760 |
# Use ganeti's VNC port range for a random vnc port
|
761 |
self.display = random.randint(11000, 14999) - 5900 |
762 |
|
763 |
args = [ |
764 |
'kvm', '-smp', '1', '-m', '1024', '-drive', |
765 |
'file=%s,format=raw,cache=unsafe,if=virtio' % self.disk, |
766 |
'-netdev', 'type=user,hostfwd=tcp::445-:445,id=netdev0', |
767 |
'-device', 'virtio-net-pci,mac=%s,netdev=netdev0' % random_mac(), |
768 |
'-vnc', ':%d' % self.display, '-serial', 'file:%s' % self.serial, |
769 |
'-monitor', 'stdio'] |
770 |
|
771 |
self.process = subprocess.Popen(args, stdin=subprocess.PIPE,
|
772 |
stdout=subprocess.PIPE) |
773 |
|
774 |
def isalive(self): |
775 |
"""Check if the VM is still alive"""
|
776 |
return self.process.poll() is None |
777 |
|
778 |
def destroy(self): |
779 |
"""Destroy the VM"""
|
780 |
|
781 |
if not self.isalive(): |
782 |
return
|
783 |
|
784 |
def handler(signum, frame): |
785 |
self.process.terminate()
|
786 |
time.sleep(1)
|
787 |
if self.isalive(): |
788 |
self.process.kill()
|
789 |
self.process.wait()
|
790 |
self.out.output("timed-out") |
791 |
raise FatalError("VM destroy timed-out") |
792 |
|
793 |
signal.signal(signal.SIGALRM, handler) |
794 |
|
795 |
signal.alarm(SHUTDOWN_TIMEOUT) |
796 |
self.process.communicate(input="system_powerdown\n") |
797 |
signal.alarm(0)
|
798 |
|
799 |
def wait(self, timeout=0): |
800 |
"""Wait for the VM to terminate"""
|
801 |
|
802 |
def handler(signum, frame): |
803 |
self.destroy()
|
804 |
raise FatalError("VM wait timed-out.") |
805 |
|
806 |
signal.signal(signal.SIGALRM, handler) |
807 |
|
808 |
signal.alarm(timeout) |
809 |
stdout, stderr = self.process.communicate()
|
810 |
signal.alarm(0)
|
811 |
|
812 |
return (stdout, stderr, self.process.poll()) |
813 |
|
814 |
# vim: set sta sts=4 shiftwidth=4 sw=4 et ai :
|