python-impacket 0.9.15-1 / usr / lib / python2.7 / dist-packages / impacket / dcerpc / v5 / dcom / vds.py

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# Copyright (c) 2003-2016 CORE Security Technologies
#
# This software is provided under under a slightly modified version
# of the Apache Software License. See the accompanying LICENSE file
# for more information.
#
# Author: Alberto Solino (@agsolino)
#
# Description:
#   [MS-VDS]: Virtual Disk Service (VDS) Protocol
#             This was used as a way to test the DCOM runtime. Further 
#             testing is needed to verify it is working as expected
#
#   Best way to learn how to use these calls is to grab the protocol standard
#   so you understand what the call does, and then read the test case located
#   at https://github.com/CoreSecurity/impacket/tree/master/impacket/testcases/SMB_RPC
#
#   Since DCOM is like an OO RPC, instead of helper functions you will see the 
#   classes described in the standards developed. 
#   There are test cases for them too. 
#
from impacket.dcerpc.v5.ndr import NDRSTRUCT, NDRUniConformantVaryingArray, NDRENUM
from impacket.dcerpc.v5.dcomrt import DCOMCALL, DCOMANSWER, IRemUnknown2, PMInterfacePointer, INTERFACE
from impacket.dcerpc.v5.dtypes import LPWSTR, ULONG, DWORD, SHORT, GUID
from impacket.dcerpc.v5.rpcrt import DCERPCException
from impacket.dcerpc.v5.enum import Enum
from impacket import hresult_errors
from impacket.uuid import string_to_bin

class DCERPCSessionError(DCERPCException):
    def __init__(self, error_string=None, error_code=None, packet=None):
        DCERPCException.__init__(self, error_string, error_code, packet)

    def __str__( self ):
        if hresult_errors.ERROR_MESSAGES.has_key(self.error_code):
            error_msg_short = hresult_errors.ERROR_MESSAGES[self.error_code][0]
            error_msg_verbose = hresult_errors.ERROR_MESSAGES[self.error_code][1] 
            return 'VDS SessionError: code: 0x%x - %s - %s' % (self.error_code, error_msg_short, error_msg_verbose)
        else:
            return 'VDS SessionError: unknown error code: 0x%x' % (self.error_code)

################################################################################
# CONSTANTS
################################################################################
# 1.9 Standards Assignments
CLSID_VirtualDiskService = string_to_bin('7D1933CB-86F6-4A98-8628-01BE94C9A575')
IID_IEnumVdsObject = string_to_bin('118610B7-8D94-4030-B5B8-500889788E4E')
IID_IVdsAdviseSink = string_to_bin('8326CD1D-CF59-4936-B786-5EFC08798E25')
IID_IVdsAsync = string_to_bin('D5D23B6D-5A55-4492-9889-397A3C2D2DBC')
IID_IVdsServiceInitialization = string_to_bin('4AFC3636-DB01-4052-80C3-03BBCB8D3C69')
IID_IVdsService = string_to_bin('0818A8EF-9BA9-40D8-A6F9-E22833CC771E')
IID_IVdsSwProvider = string_to_bin('9AA58360-CE33-4F92-B658-ED24B14425B8')
IID_IVdsProvider = string_to_bin('10C5E575-7984-4E81-A56B-431F5F92AE42')

error_status_t = ULONG

# 2.2.1.1.3 VDS_OBJECT_ID
VDS_OBJECT_ID = GUID

################################################################################
# STRUCTURES
################################################################################
# 2.2.2.1.3.1 VDS_SERVICE_PROP
class VDS_SERVICE_PROP(NDRSTRUCT):
    structure = (
        ('pwszVersion',LPWSTR),
        ('ulFlags',ULONG),
    )

class OBJECT_ARRAY(NDRUniConformantVaryingArray):
    item = PMInterfacePointer

# 2.2.2.7.1.1 VDS_PROVIDER_TYPE
class VDS_PROVIDER_TYPE(NDRENUM):
    class enumItems(Enum):
        VDS_PT_UNKNOWN     = 0
        VDS_PT_SOFTWARE    = 1
        VDS_PT_HARDWARE    = 2
        VDS_PT_VIRTUALDISK = 3
        VDS_PT_MAX         = 4

# 2.2.2.7.2.1 VDS_PROVIDER_PROP
class VDS_PROVIDER_PROP(NDRSTRUCT):
    structure = (
        ('id',VDS_OBJECT_ID),
        ('pwszName',LPWSTR),
        ('guidVersionId',GUID),
        ('pwszVersion',LPWSTR),
        ('type',VDS_PROVIDER_TYPE),
        ('ulFlags',ULONG),
        ('ulStripeSizeFlags',ULONG),
        ('sRebuildPriority',SHORT),
    )

################################################################################
# RPC CALLS
################################################################################

# 3.4.5.2.5.1 IVdsServiceInitialization::Initialize (Opnum 3)
class IVdsServiceInitialization_Initialize(DCOMCALL):
    opnum = 3
    structure = (
       ('pwszMachineName', LPWSTR),
    )

class IVdsServiceInitialization_InitializeResponse(DCOMANSWER):
    structure = (
       ('ErrorCode', error_status_t),
    )

# 3.4.5.2.4.1 IVdsService::IsServiceReady (Opnum 3)
class IVdsService_IsServiceReady(DCOMCALL):
    opnum = 3
    structure = (
    )

class IVdsService_IsServiceReadyResponse(DCOMANSWER):
    structure = (
       ('ErrorCode', error_status_t),
    )

# 3.4.5.2.4.2 IVdsService::WaitForServiceReady (Opnum 4)
class IVdsService_WaitForServiceReady(DCOMCALL):
    opnum = 4
    structure = (
    )

class IVdsService_WaitForServiceReadyResponse(DCOMANSWER):
    structure = (
       ('ErrorCode', error_status_t),
    )

# 3.4.5.2.4.3 IVdsService::GetProperties (Opnum 5)
class IVdsService_GetProperties(DCOMCALL):
    opnum = 5
    structure = (
    )

class IVdsService_GetPropertiesResponse(DCOMANSWER):
    structure = (
       ('pServiceProp', VDS_SERVICE_PROP),
       ('ErrorCode', error_status_t),
    )

# 3.4.5.2.4.4 IVdsService::QueryProviders (Opnum 6)
class IVdsService_QueryProviders(DCOMCALL):
    opnum = 6
    structure = (
        ('masks', DWORD),
    )

class IVdsService_QueryProvidersResponse(DCOMANSWER):
    structure = (
       ('ppEnum', PMInterfacePointer),
       ('ErrorCode', error_status_t),
    )

# 3.1.1.1 IEnumVdsObject Interface
# 3.4.5.2.1.1 IEnumVdsObject::Next (Opnum 3)
class IEnumVdsObject_Next(DCOMCALL):
    opnum = 3
    structure = (
       ('celt', ULONG),
    )

class IEnumVdsObject_NextResponse(DCOMANSWER):
    structure = (
       ('ppObjectArray', OBJECT_ARRAY),
       ('pcFetched', ULONG),
       ('ErrorCode', error_status_t),
    )
# 3.4.5.2.14.1 IVdsProvider::GetProperties (Opnum 3)
class IVdsProvider_GetProperties(DCOMCALL):
    opnum = 3
    structure = (
    )

class IVdsProvider_GetPropertiesResponse(DCOMANSWER):
    structure = (
       ('pProviderProp', VDS_PROVIDER_PROP),
       ('ErrorCode', error_status_t),
    )

################################################################################
# OPNUMs and their corresponding structures
################################################################################
OPNUMS = {
}

################################################################################
# HELPER FUNCTIONS AND INTERFACES
################################################################################
class IEnumVdsObject(IRemUnknown2):
    def Next(self, celt=0xffff):
        request = IEnumVdsObject_Next()
        request['ORPCthis'] = self.get_cinstance().get_ORPCthis()
        request['ORPCthis']['flags'] = 0
        request['celt'] = celt
        try:
            resp = self.request(request, uuid = self.get_iPid())
        except Exception, e:
            resp = e.get_packet()
            # If it is S_FALSE(1) means less items were returned
            if resp['ErrorCode'] != 1:
                raise
        interfaces = list()
        for interface in resp['ppObjectArray']:
            interfaces.append(IRemUnknown2(INTERFACE(self.get_cinstance(), ''.join(interface['abData']), self.get_ipidRemUnknown(), target = self.get_target())))
        return interfaces

class IVdsProvider(IRemUnknown2):
    def GetProperties(self):
        request = IVdsProvider_GetProperties()
        request['ORPCthis'] = self.get_cinstance().get_ORPCthis()
        request['ORPCthis']['flags'] = 0
        resp = self.request(request, uuid = self.get_iPid())
        return resp 

class IVdsServiceInitialization(IRemUnknown2):
    def __init__(self, interface):
        IRemUnknown2.__init__(self, interface)

    def Initialize(self):
        request = IVdsServiceInitialization_Initialize()
        request['ORPCthis'] = self.get_cinstance().get_ORPCthis()
        request['ORPCthis']['flags'] = 0
        request['pwszMachineName'] = '\x00'
        resp = self.request(request, uuid = self.get_iPid())
        return resp 

class IVdsService(IRemUnknown2):
    def __init__(self, interface):
        IRemUnknown2.__init__(self, interface)

    def IsServiceReady(self):
        request = IVdsService_IsServiceReady()
        request['ORPCthis'] = self.get_cinstance().get_ORPCthis()
        request['ORPCthis']['flags'] = 0
        try:
            resp = self.request(request, uuid = self.get_iPid())
        except Exception, e:
            resp = e.get_packet()
        return resp 

    def WaitForServiceReady(self):
        request = IVdsService_WaitForServiceReady()
        request['ORPCthis'] = self.get_cinstance().get_ORPCthis()
        request['ORPCthis']['flags'] = 0
        resp = self.request(request, uuid = self.get_iPid())
        return resp 

    def GetProperties(self):
        request = IVdsService_GetProperties()
        request['ORPCthis'] = self.get_cinstance().get_ORPCthis()
        request['ORPCthis']['flags'] = 0
        resp = self.request(request, uuid = self.get_iPid())
        return resp 

    def QueryProviders(self, masks):
        request = IVdsService_QueryProviders()
        request['ORPCthis'] = self.get_cinstance().get_ORPCthis()
        request['ORPCthis']['flags'] = 0
        request['masks'] = masks
        resp = self.request(request, uuid = self.get_iPid())
        return IEnumVdsObject(INTERFACE(self.get_cinstance(), ''.join(resp['ppEnum']['abData']), self.get_ipidRemUnknown(), target = self.get_target()))

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