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Ported MultiRelay to python3 + enhancements.

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lgandx 2021-02-08 15:11:31 -03:00
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# SECUREAUTH LABS. Copyright 2018 SecureAuth Corporation. All rights reserved.
#
# 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-RPRN] Interface implementation
#
# 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/SecureAuthCorp/impacket/tree/master/tests/SMB_RPC
#
# Some calls have helper functions, which makes it even easier to use.
# They are located at the end of this file.
# Helper functions start with "h"<name of the call>.
# There are test cases for them too.
#
from impacket import system_errors
from impacket.dcerpc.v5.dtypes import ULONGLONG, UINT, USHORT, LPWSTR, DWORD, ULONG, NULL
from impacket.dcerpc.v5.ndr import NDRCALL, NDRSTRUCT, NDRUNION, NDRPOINTER, NDRUniConformantArray
from impacket.dcerpc.v5.rpcrt import DCERPCException
from impacket.uuid import uuidtup_to_bin
MSRPC_UUID_RPRN = uuidtup_to_bin(('12345678-1234-ABCD-EF00-0123456789AB', '1.0'))
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 ):
key = self.error_code
if key in system_errors.ERROR_MESSAGES:
error_msg_short = system_errors.ERROR_MESSAGES[key][0]
error_msg_verbose = system_errors.ERROR_MESSAGES[key][1]
return 'RPRN SessionError: code: 0x%x - %s - %s' % (self.error_code, error_msg_short, error_msg_verbose)
else:
return 'RPRN SessionError: unknown error code: 0x%x' % self.error_code
################################################################################
# CONSTANTS
################################################################################
# 2.2.1.1.7 STRING_HANDLE
STRING_HANDLE = LPWSTR
class PSTRING_HANDLE(NDRPOINTER):
referent = (
('Data', STRING_HANDLE),
)
# 2.2.3.1 Access Values
JOB_ACCESS_ADMINISTER = 0x00000010
JOB_ACCESS_READ = 0x00000020
JOB_EXECUTE = 0x00020010
JOB_READ = 0x00020020
JOB_WRITE = 0x00020010
JOB_ALL_ACCESS = 0x000F0030
PRINTER_ACCESS_ADMINISTER = 0x00000004
PRINTER_ACCESS_USE = 0x00000008
PRINTER_ACCESS_MANAGE_LIMITED = 0x00000040
PRINTER_ALL_ACCESS = 0x000F000C
PRINTER_EXECUTE = 0x00020008
PRINTER_READ = 0x00020008
PRINTER_WRITE = 0x00020008
SERVER_ACCESS_ADMINISTER = 0x00000001
SERVER_ACCESS_ENUMERATE = 0x00000002
SERVER_ALL_ACCESS = 0x000F0003
SERVER_EXECUTE = 0x00020002
SERVER_READ = 0x00020002
SERVER_WRITE = 0x00020003
SPECIFIC_RIGHTS_ALL = 0x0000FFFF
STANDARD_RIGHTS_ALL = 0x001F0000
STANDARD_RIGHTS_EXECUTE = 0x00020000
STANDARD_RIGHTS_READ = 0x00020000
STANDARD_RIGHTS_REQUIRED = 0x000F0000
STANDARD_RIGHTS_WRITE = 0x00020000
SYNCHRONIZE = 0x00100000
DELETE = 0x00010000
READ_CONTROL = 0x00020000
WRITE_DAC = 0x00040000
WRITE_OWNER = 0x00080000
GENERIC_READ = 0x80000000
GENERIC_WRITE = 0x40000000
GENERIC_EXECUTE = 0x20000000
GENERIC_ALL = 0x10000000
# 2.2.3.6.1 Printer Change Flags for Use with a Printer Handle
PRINTER_CHANGE_SET_PRINTER = 0x00000002
PRINTER_CHANGE_DELETE_PRINTER = 0x00000004
PRINTER_CHANGE_PRINTER = 0x000000FF
PRINTER_CHANGE_ADD_JOB = 0x00000100
PRINTER_CHANGE_SET_JOB = 0x00000200
PRINTER_CHANGE_DELETE_JOB = 0x00000400
PRINTER_CHANGE_WRITE_JOB = 0x00000800
PRINTER_CHANGE_JOB = 0x0000FF00
PRINTER_CHANGE_SET_PRINTER_DRIVER = 0x20000000
PRINTER_CHANGE_TIMEOUT = 0x80000000
PRINTER_CHANGE_ALL = 0x7777FFFF
PRINTER_CHANGE_ALL_2 = 0x7F77FFFF
# 2.2.3.6.2 Printer Change Flags for Use with a Server Handle
PRINTER_CHANGE_ADD_PRINTER_DRIVER = 0x10000000
PRINTER_CHANGE_DELETE_PRINTER_DRIVER = 0x40000000
PRINTER_CHANGE_PRINTER_DRIVER = 0x70000000
PRINTER_CHANGE_ADD_FORM = 0x00010000
PRINTER_CHANGE_DELETE_FORM = 0x00040000
PRINTER_CHANGE_SET_FORM = 0x00020000
PRINTER_CHANGE_FORM = 0x00070000
PRINTER_CHANGE_ADD_PORT = 0x00100000
PRINTER_CHANGE_CONFIGURE_PORT = 0x00200000
PRINTER_CHANGE_DELETE_PORT = 0x00400000
PRINTER_CHANGE_PORT = 0x00700000
PRINTER_CHANGE_ADD_PRINT_PROCESSOR = 0x01000000
PRINTER_CHANGE_DELETE_PRINT_PROCESSOR = 0x04000000
PRINTER_CHANGE_PRINT_PROCESSOR = 0x07000000
PRINTER_CHANGE_ADD_PRINTER = 0x00000001
PRINTER_CHANGE_FAILED_CONNECTION_PRINTER = 0x00000008
PRINTER_CHANGE_SERVER = 0x08000000
# 2.2.3.7 Printer Enumeration Flags
PRINTER_ENUM_LOCAL = 0x00000002
PRINTER_ENUM_CONNECTIONS = 0x00000004
PRINTER_ENUM_NAME = 0x00000008
PRINTER_ENUM_REMOTE = 0x00000010
PRINTER_ENUM_SHARED = 0x00000020
PRINTER_ENUM_NETWORK = 0x00000040
PRINTER_ENUM_EXPAND = 0x00004000
PRINTER_ENUM_CONTAINER = 0x00008000
PRINTER_ENUM_ICON1 = 0x00010000
PRINTER_ENUM_ICON2 = 0x00020000
PRINTER_ENUM_ICON3 = 0x00040000
PRINTER_ENUM_ICON8 = 0x00800000
PRINTER_ENUM_HIDE = 0x01000000
# 2.2.3.8 Printer Notification Values
PRINTER_NOTIFY_CATEGORY_2D = 0x00000000
PRINTER_NOTIFY_CATEGORY_ALL = 0x00010000
PRINTER_NOTIFY_CATEGORY_3D = 0x00020000
################################################################################
# STRUCTURES
################################################################################
# 2.2.1.1.4 PRINTER_HANDLE
class PRINTER_HANDLE(NDRSTRUCT):
structure = (
('Data','20s=b""'),
)
def getAlignment(self):
if self._isNDR64 is True:
return 8
else:
return 4
# 2.2.1.2.1 DEVMODE_CONTAINER
class BYTE_ARRAY(NDRUniConformantArray):
item = 'c'
class PBYTE_ARRAY(NDRPOINTER):
referent = (
('Data', BYTE_ARRAY),
)
class DEVMODE_CONTAINER(NDRSTRUCT):
structure = (
('cbBuf',DWORD),
('pDevMode',PBYTE_ARRAY),
)
# 2.2.1.11.1 SPLCLIENT_INFO_1
class SPLCLIENT_INFO_1(NDRSTRUCT):
structure = (
('dwSize',DWORD),
('pMachineName',LPWSTR),
('pUserName',LPWSTR),
('dwBuildNum',DWORD),
('dwMajorVersion',DWORD),
('dwMinorVersion',DWORD),
('wProcessorArchitecture',USHORT),
)
class PSPLCLIENT_INFO_1(NDRPOINTER):
referent = (
('Data', SPLCLIENT_INFO_1),
)
# 2.2.1.11.2 SPLCLIENT_INFO_2
class SPLCLIENT_INFO_2(NDRSTRUCT):
structure = (
('notUsed',ULONGLONG),
)
class PSPLCLIENT_INFO_2(NDRPOINTER):
referent = (
('Data', SPLCLIENT_INFO_2),
)
# 2.2.1.11.3 SPLCLIENT_INFO_3
class SPLCLIENT_INFO_3(NDRSTRUCT):
structure = (
('cbSize',UINT),
('dwFlags',DWORD),
('dwFlags',DWORD),
('pMachineName',LPWSTR),
('pUserName',LPWSTR),
('dwBuildNum',DWORD),
('dwMajorVersion',DWORD),
('dwMinorVersion',DWORD),
('wProcessorArchitecture',USHORT),
('hSplPrinter',ULONGLONG),
)
class PSPLCLIENT_INFO_3(NDRPOINTER):
referent = (
('Data', SPLCLIENT_INFO_3),
)
# 2.2.1.2.14 SPLCLIENT_CONTAINER
class CLIENT_INFO_UNION(NDRUNION):
commonHdr = (
('tag', ULONG),
)
union = {
1 : ('pClientInfo1', PSPLCLIENT_INFO_1),
2 : ('pNotUsed1', PSPLCLIENT_INFO_2),
3 : ('pNotUsed2', PSPLCLIENT_INFO_3),
}
class SPLCLIENT_CONTAINER(NDRSTRUCT):
structure = (
('Level',DWORD),
('ClientInfo',CLIENT_INFO_UNION),
)
# 2.2.1.13.2 RPC_V2_NOTIFY_OPTIONS_TYPE
class USHORT_ARRAY(NDRUniConformantArray):
item = '<H'
class PUSHORT_ARRAY(NDRPOINTER):
referent = (
('Data', USHORT_ARRAY),
)
class RPC_V2_NOTIFY_OPTIONS_TYPE(NDRSTRUCT):
structure = (
('Type',USHORT),
('Reserved0',USHORT),
('Reserved1',DWORD),
('Reserved2',DWORD),
('Count',DWORD),
('pFields',PUSHORT_ARRAY),
)
class PRPC_V2_NOTIFY_OPTIONS_TYPE_ARRAY(NDRPOINTER):
referent = (
('Data', RPC_V2_NOTIFY_OPTIONS_TYPE),
)
# 2.2.1.13.1 RPC_V2_NOTIFY_OPTIONS
class RPC_V2_NOTIFY_OPTIONS(NDRSTRUCT):
structure = (
('Version',DWORD),
('Reserved',DWORD),
('Count',DWORD),
('pTypes',PRPC_V2_NOTIFY_OPTIONS_TYPE_ARRAY),
)
class PRPC_V2_NOTIFY_OPTIONS(NDRPOINTER):
referent = (
('Data', RPC_V2_NOTIFY_OPTIONS),
)
################################################################################
# RPC CALLS
################################################################################
# 3.1.4.2.1 RpcEnumPrinters (Opnum 0)
class RpcEnumPrinters(NDRCALL):
opnum = 0
structure = (
('Flags', DWORD),
('Name', STRING_HANDLE),
('Level', DWORD),
('pPrinterEnum', PBYTE_ARRAY),
('cbBuf', DWORD),
)
class RpcEnumPrintersResponse(NDRCALL):
structure = (
('pPrinterEnum', PBYTE_ARRAY),
('pcbNeeded', DWORD),
('pcReturned', DWORD),
('ErrorCode', ULONG),
)
# 3.1.4.2.2 RpcOpenPrinter (Opnum 1)
class RpcOpenPrinter(NDRCALL):
opnum = 1
structure = (
('pPrinterName', STRING_HANDLE),
('pDatatype', LPWSTR),
('pDevModeContainer', DEVMODE_CONTAINER),
('AccessRequired', DWORD),
)
class RpcOpenPrinterResponse(NDRCALL):
structure = (
('pHandle', PRINTER_HANDLE),
('ErrorCode', ULONG),
)
# 3.1.4.2.9 RpcClosePrinter (Opnum 29)
class RpcClosePrinter(NDRCALL):
opnum = 29
structure = (
('phPrinter', PRINTER_HANDLE),
)
class RpcClosePrinterResponse(NDRCALL):
structure = (
('phPrinter', PRINTER_HANDLE),
('ErrorCode', ULONG),
)
# 3.1.4.10.4 RpcRemoteFindFirstPrinterChangeNotificationEx (Opnum 65)
class RpcRemoteFindFirstPrinterChangeNotificationEx(NDRCALL):
opnum = 65
structure = (
('hPrinter', PRINTER_HANDLE),
('fdwFlags', DWORD),
('fdwOptions', DWORD),
('pszLocalMachine', LPWSTR),
('dwPrinterLocal', DWORD),
('pOptions', PRPC_V2_NOTIFY_OPTIONS),
)
class RpcRemoteFindFirstPrinterChangeNotificationExResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
# 3.1.4.2.14 RpcOpenPrinterEx (Opnum 69)
class RpcOpenPrinterEx(NDRCALL):
opnum = 69
structure = (
('pPrinterName', STRING_HANDLE),
('pDatatype', LPWSTR),
('pDevModeContainer', DEVMODE_CONTAINER),
('AccessRequired', DWORD),
('pClientInfo', SPLCLIENT_CONTAINER),
)
class RpcOpenPrinterExResponse(NDRCALL):
structure = (
('pHandle', PRINTER_HANDLE),
('ErrorCode', ULONG),
)
################################################################################
# OPNUMs and their corresponding structures
################################################################################
OPNUMS = {
0 : (RpcEnumPrinters, RpcEnumPrintersResponse),
1 : (RpcOpenPrinter, RpcOpenPrinterResponse),
29 : (RpcClosePrinter, RpcClosePrinterResponse),
65 : (RpcRemoteFindFirstPrinterChangeNotificationEx, RpcRemoteFindFirstPrinterChangeNotificationExResponse),
69 : (RpcOpenPrinterEx, RpcOpenPrinterExResponse),
}
################################################################################
# HELPER FUNCTIONS
################################################################################
def checkNullString(string):
if string == NULL:
return string
if string[-1:] != '\x00':
return string + '\x00'
else:
return string
def hRpcOpenPrinter(dce, printerName, pDatatype = NULL, pDevModeContainer = NULL, accessRequired = SERVER_READ):
"""
RpcOpenPrinter retrieves a handle for a printer, port, port monitor, print job, or print server.
Full Documentation: https://msdn.microsoft.com/en-us/library/cc244808.aspx
:param DCERPC_v5 dce: a connected DCE instance.
:param string printerName: A string for a printer connection, printer object, server object, job object, port
object, or port monitor object. This MUST be a Domain Name System (DNS), NetBIOS, Internet Protocol version 4
(IPv4), Internet Protocol version 6 (IPv6), or Universal Naming Convention (UNC) name that remote procedure
call (RPC) binds to, and it MUST uniquely identify a print server on the network.
:param string pDatatype: A string that specifies the data type to be associated with the printer handle.
:param DEVMODE_CONTAINER pDevModeContainer: A DEVMODE_CONTAINER structure. This parameter MUST adhere to the specification in
DEVMODE_CONTAINER Parameters (section 3.1.4.1.8.1).
:param int accessRequired: The access level that the client requires for interacting with the object to which a
handle is being opened.
:return: a RpcOpenPrinterResponse instance, raises DCERPCSessionError on error.
"""
request = RpcOpenPrinter()
request['pPrinterName'] = checkNullString(printerName)
request['pDatatype'] = pDatatype
if pDevModeContainer is NULL:
request['pDevModeContainer']['pDevMode'] = NULL
else:
request['pDevModeContainer'] = pDevModeContainer
request['AccessRequired'] = accessRequired
return dce.request(request)
def hRpcClosePrinter(dce, phPrinter):
"""
RpcClosePrinter closes a handle to a printer object, server object, job object, or port object.
Full Documentation: https://msdn.microsoft.com/en-us/library/cc244768.aspx
:param DCERPC_v5 dce: a connected DCE instance.
:param PRINTER_HANDLE phPrinter: A handle to a printer object, server object, job object, or port object.
:return: a RpcClosePrinterResponse instance, raises DCERPCSessionError on error.
"""
request = RpcClosePrinter()
request['phPrinter'] = phPrinter
return dce.request(request)
def hRpcOpenPrinterEx(dce, printerName, pDatatype=NULL, pDevModeContainer=NULL, accessRequired=SERVER_READ,
pClientInfo=NULL):
"""
RpcOpenPrinterEx retrieves a handle for a printer, port, port monitor, print job, or print server
Full Documentation: https://msdn.microsoft.com/en-us/library/cc244809.aspx
:param DCERPC_v5 dce: a connected DCE instance.
:param string printerName: A string for a printer connection, printer object, server object, job object, port
object, or port monitor object. This MUST be a Domain Name System (DNS), NetBIOS, Internet Protocol version 4
(IPv4), Internet Protocol version 6 (IPv6), or Universal Naming Convention (UNC) name that remote procedure
call (RPC) binds to, and it MUST uniquely identify a print server on the network.
:param string pDatatype: A string that specifies the data type to be associated with the printer handle.
:param DEVMODE_CONTAINER pDevModeContainer: A DEVMODE_CONTAINER structure. This parameter MUST adhere to the specification in
DEVMODE_CONTAINER Parameters (section 3.1.4.1.8.1).
:param int accessRequired: The access level that the client requires for interacting with the object to which a
handle is being opened.
:param SPLCLIENT_CONTAINER pClientInfo: This parameter MUST adhere to the specification in SPLCLIENT_CONTAINER Parameters.
:return: a RpcOpenPrinterExResponse instance, raises DCERPCSessionError on error.
"""
request = RpcOpenPrinterEx()
request['pPrinterName'] = checkNullString(printerName)
request['pDatatype'] = pDatatype
if pDevModeContainer is NULL:
request['pDevModeContainer']['pDevMode'] = NULL
else:
request['pDevModeContainer'] = pDevModeContainer
request['AccessRequired'] = accessRequired
if pClientInfo is NULL:
raise Exception('pClientInfo cannot be NULL')
request['pClientInfo'] = pClientInfo
return dce.request(request)
def hRpcRemoteFindFirstPrinterChangeNotificationEx(dce, hPrinter, fdwFlags, fdwOptions=0, pszLocalMachine=NULL,
dwPrinterLocal=0, pOptions=NULL):
"""
creates a remote change notification object that monitors changes to printer objects and sends change notifications
to a print client using either RpcRouterReplyPrinter (section 3.2.4.1.2) or RpcRouterReplyPrinterEx (section 3.2.4.1.4)
Full Documentation: https://msdn.microsoft.com/en-us/library/cc244813.aspx
:param DCERPC_v5 dce: a connected DCE instance.
:param PRINTER_HANDLE hPrinter: A handle to a printer or server object.
:param int fdwFlags: Flags that specify the conditions that are required for a change notification object to enter a signaled state.
:param int fdwOptions: The category of printers for which change notifications are returned.
:param string pszLocalMachine: A string that represents the name of the client computer.
:param int dwPrinterLocal: An implementation-specific unique value that MUST be sufficient for the client to determine
whether a call to RpcReplyOpenPrinter by the server is associated with the hPrinter parameter in this call.
:param RPC_V2_NOTIFY_OPTIONS pOptions: An RPC_V2_NOTIFY_OPTIONS structure that specifies printer or job members that the client listens to for notifications.
:return: a RpcRemoteFindFirstPrinterChangeNotificationExResponse instance, raises DCERPCSessionError on error.
"""
request = RpcRemoteFindFirstPrinterChangeNotificationEx()
request['hPrinter'] = hPrinter
request['fdwFlags'] = fdwFlags
request['fdwOptions'] = fdwOptions
request['dwPrinterLocal'] = dwPrinterLocal
if pszLocalMachine is NULL:
raise Exception('pszLocalMachine cannot be NULL')
request['pszLocalMachine'] = checkNullString(pszLocalMachine)
request['pOptions'] = pOptions
return dce.request(request)
def hRpcEnumPrinters(dce, flags, name = NULL, level = 1):
"""
RpcEnumPrinters enumerates available printers, print servers, domains, or print providers.
Full Documentation: https://msdn.microsoft.com/en-us/library/cc244794.aspx
:param DCERPC_v5 dce: a connected DCE instance.
:param int flags: The types of print objects that this method enumerates. The value of this parameter is the
result of a bitwise OR of one or more of the Printer Enumeration Flags (section 2.2.3.7).
:param string name: NULL or a server name parameter as specified in Printer Server Name Parameters (section 3.1.4.1.4).
:param level: The level of printer information structure.
:return: a RpcEnumPrintersResponse instance, raises DCERPCSessionError on error.
"""
request = RpcEnumPrinters()
request['Flags'] = flags
request['Name'] = name
request['pPrinterEnum'] = NULL
request['Level'] = level
bytesNeeded = 0
try:
dce.request(request)
except DCERPCSessionError as e:
if str(e).find('ERROR_INSUFFICIENT_BUFFER') < 0:
raise
bytesNeeded = e.get_packet()['pcbNeeded']
request = RpcEnumPrinters()
request['Flags'] = flags
request['Name'] = name
request['Level'] = level
request['cbBuf'] = bytesNeeded
request['pPrinterEnum'] = b'a' * bytesNeeded
return dce.request(request)