Revision 55133880 image_creator/os_type/windows.py
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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 |
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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 |
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import hivex |
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import tempfile |
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class Windows(OSBase): |
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"""OS class for Windows""" |
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@sysprep(enabled=False) |
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def remove_user_accounts(self, print_header=True): |
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"""Remove all user accounts with id greater than 1000""" |
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pass |
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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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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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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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self.out.output("Starting windows VM ...", False) |
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try: |
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pass |
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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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if disabled_uac: |
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self._update_uac_remote_setting(0) |
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self.syspreped = True |
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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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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: |
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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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def _update_uac_remote_setting(self, value): |
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"""Updates the registry key value: |
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[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies |
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\System]"LocalAccountTokenFilterPolicy" |
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value = 1 will disable the UAC remote restrictions |
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value = 0 will enable the UAC remote restrictions |
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For more info see here: http://support.microsoft.com/kb/951016 |
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Returns: |
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True if the key is changed |
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False if the key is unchanged |
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""" |
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if value not in (0, 1): |
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raise ValueError("Valid values for value parameter are 0 and 1") |
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path = self._registry_file_path('SOFTWARE') |
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softwarefd, software = tempfile.mkstemp() |
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try: |
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os.close(softwarefd) |
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self.g.download(path, software) |
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h = hivex.Hivex(software, write=True) |
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key = h.root() |
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for child in ('Microsoft', 'Windows', 'CurrentVersion', 'Policies', |
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'System'): |
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key = h.node_get_child(key, child) |
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policy = None |
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for val in h.node_values(key): |
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if h.value_key(val) == "LocalAccountTokenFilterPolicy": |
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policy = val |
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if policy is not None: |
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dword = h.value_dword(policy) |
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if dword == value: |
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return False |
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elif value == 0: |
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return False |
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new_value = { |
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'key': "LocalAccountTokenFilterPolicy", 't': 4L, |
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'value': '%s\x00\x00\x00' % '\x00' if value == 0 else '\x01'} |
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h.node_set_value(key, new_value) |
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h.commit(None) |
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self.g.upload(software, path) |
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finally: |
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os.unlink(software) |
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return True |
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def _do_collect_metadata(self): |
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"""Collect metadata about the OS""" |
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super(Windows, self)._do_collect_metadata() |
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def _get_users(self): |
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"""Returns a list of users found in the images""" |
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path = self._registry_file_path('SAM') |
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samfd, sam = tempfile.mkstemp() |
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try: |
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systemroot = self.g.inspect_get_windows_systemroot(self.root) |
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path = "%s/system32/config/sam" % systemroot |
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path = self.g.case_sensitive_path(path) |
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os.close(samfd) |
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self.g.download(path, sam) |
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h = hivex.Hivex(sam) |
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key = h.root() |
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# Navigate to /SAM/Domains/Account/Users/Names |
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for child in ('SAM', 'Domains', 'Account', 'Users', 'Names'): |
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key = h.node_get_child(key, child) |
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