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Responder/tools/MultiRelay/impacket-dev/impacket/dcerpc/v5/dhcpm.py

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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-DHCPM] 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 __future__ import division
from __future__ import print_function
from impacket import system_errors
from impacket.dcerpc.v5.dtypes import LPWSTR, ULONG, NULL, DWORD, BOOL, BYTE, LPDWORD, WORD
from impacket.dcerpc.v5.ndr import NDRCALL, NDRUniConformantArray, NDRPOINTER, NDRSTRUCT, NDRENUM, NDRUNION
from impacket.dcerpc.v5.rpcrt import DCERPCException
from impacket.dcerpc.v5.enum import Enum
from impacket.uuid import uuidtup_to_bin
MSRPC_UUID_DHCPSRV = uuidtup_to_bin(('6BFFD098-A112-3610-9833-46C3F874532D', '1.0'))
MSRPC_UUID_DHCPSRV2 = uuidtup_to_bin(('5B821720-F63B-11D0-AAD2-00C04FC324DB', '1.0'))
class DCERPCSessionError(DCERPCException):
ERROR_MESSAGES = {
0x00004E2D: ("ERROR_DHCP_JET_ERROR", "An error occurred while accessing the DHCP server database."),
0x00004E25: ("ERROR_DHCP_SUBNET_NOT_PRESENT", "The specified IPv4 subnet does not exist."),
0x00004E54: ("ERROR_DHCP_SUBNET_EXISTS", "The IPv4 scope parameters are incorrect. Either the IPv4 scope already"
" exists, corresponding to the SubnetAddress and SubnetMask members of "
"the structure DHCP_SUBNET_INFO (section 2.2.1.2.8), or there is a "
"range overlap of IPv4 addresses between those associated with the "
"SubnetAddress and SubnetMask fields of the new IPv4 scope and the "
"subnet address and mask of an already existing IPv4 scope"),
}
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 'DHCPM SessionError: code: 0x%x - %s - %s' % (self.error_code, error_msg_short, error_msg_verbose)
elif key in self.ERROR_MESSAGES:
error_msg_short = self.ERROR_MESSAGES[key][0]
error_msg_verbose = self.ERROR_MESSAGES[key][1]
return 'DHCPM SessionError: code: 0x%x - %s - %s' % (self.error_code, error_msg_short, error_msg_verbose)
else:
return 'DHCPM SessionError: unknown error code: 0x%x' % self.error_code
################################################################################
# CONSTANTS
################################################################################
DHCP_SRV_HANDLE = LPWSTR
DHCP_IP_ADDRESS = DWORD
DHCP_IP_MASK = DWORD
DHCP_OPTION_ID = DWORD
# DHCP enumeratiom flags
DHCP_FLAGS_OPTION_DEFAULT = 0x00000000
DHCP_FLAGS_OPTION_IS_VENDOR = 0x00000003
# Errors
ERROR_DHCP_JET_ERROR = 0x00004E2D
ERROR_DHCP_SUBNET_NOT_PRESENT = 0x00004E25
ERROR_DHCP_SUBNET_EXISTS = 0x00004E54
################################################################################
# STRUCTURES
################################################################################
# 2.2.1.1.3 DHCP_SEARCH_INFO_TYPE
class DHCP_SEARCH_INFO_TYPE(NDRENUM):
class enumItems(Enum):
DhcpClientIpAddress = 0
DhcpClientHardwareAddress = 1
DhcpClientName = 2
# 2.2.1.1.11 QuarantineStatus
class QuarantineStatus(NDRENUM):
class enumItems(Enum):
NOQUARANTINE = 0
RESTRICTEDACCESS = 1
DROPPACKET = 2
PROBATION = 3
EXEMPT = 4
DEFAULTQUARSETTING = 5
NOQUARINFO = 6
# 2.2.1.2.7 DHCP_HOST_INFO
class DHCP_HOST_INFO(NDRSTRUCT):
structure = (
('IpAddress', DHCP_IP_ADDRESS),
('NetBiosName', LPWSTR),
('HostName', LPWSTR),
)
# 2.2.1.2.9 DHCP_BINARY_DATA
class BYTE_ARRAY(NDRUniConformantArray):
item = 'c'
class PBYTE_ARRAY(NDRPOINTER):
referent = (
('Data', BYTE_ARRAY),
)
class DHCP_BINARY_DATA(NDRSTRUCT):
structure = (
('DataLength', DWORD),
('Data_', PBYTE_ARRAY),
)
DHCP_CLIENT_UID = DHCP_BINARY_DATA
# 2.2.1.2.11 DATE_TIME
class DATE_TIME(NDRSTRUCT):
structure = (
('dwLowDateTime', DWORD),
('dwHighDateTime', DWORD),
)
# 2.2.1.2.19 DHCP_CLIENT_INFO_VQ
class DHCP_CLIENT_INFO_VQ(NDRSTRUCT):
structure = (
('ClientIpAddress', DHCP_IP_ADDRESS),
('SubnetMask', DHCP_IP_MASK),
('ClientHardwareAddress', DHCP_CLIENT_UID),
('ClientName', LPWSTR),
('ClientComment', LPWSTR),
('ClientLeaseExpires', DATE_TIME),
('OwnerHost', DHCP_HOST_INFO),
('bClientType', BYTE),
('AddressState', BYTE),
('Status', QuarantineStatus),
('ProbationEnds', DATE_TIME),
('QuarantineCapable', BOOL),
)
class DHCP_CLIENT_SEARCH_UNION(NDRUNION):
union = {
DHCP_SEARCH_INFO_TYPE.DhcpClientIpAddress: ('ClientIpAddress', DHCP_IP_ADDRESS),
DHCP_SEARCH_INFO_TYPE.DhcpClientHardwareAddress: ('ClientHardwareAddress', DHCP_CLIENT_UID),
DHCP_SEARCH_INFO_TYPE.DhcpClientName: ('ClientName', LPWSTR),
}
class DHCP_SEARCH_INFO(NDRSTRUCT):
structure = (
('SearchType', DHCP_SEARCH_INFO_TYPE),
('SearchInfo', DHCP_CLIENT_SEARCH_UNION),
)
# 2.2.1.2.14 DHCP_CLIENT_INFO_V4
class DHCP_CLIENT_INFO_V4(NDRSTRUCT):
structure = (
('ClientIpAddress', DHCP_IP_ADDRESS),
('SubnetMask', DHCP_IP_MASK),
('ClientHardwareAddress', DHCP_CLIENT_UID),
('ClientName', LPWSTR),
('ClientComment', LPWSTR),
('ClientLeaseExpires', DATE_TIME),
('OwnerHost', DHCP_HOST_INFO),
('bClientType', BYTE),
)
class DHCP_CLIENT_INFO_V5(NDRSTRUCT):
structure = (
('ClientIpAddress', DHCP_IP_ADDRESS),
('SubnetMask', DHCP_IP_MASK),
('ClientHardwareAddress', DHCP_CLIENT_UID),
('ClientName', LPWSTR),
('ClientComment', LPWSTR),
('ClientLeaseExpires', DATE_TIME),
('OwnerHost', DHCP_HOST_INFO),
('bClientType', BYTE),
('AddressState', BYTE),
)
class LPDHCP_CLIENT_INFO_V4(NDRPOINTER):
referent = (
('Data', DHCP_CLIENT_INFO_V4),
)
class LPDHCP_CLIENT_INFO_V5(NDRPOINTER):
referent = (
('Data', DHCP_CLIENT_INFO_V5),
)
# 2.2.1.2.115 DHCP_CLIENT_INFO_PB
class DHCP_CLIENT_INFO_PB(NDRSTRUCT):
structure = (
('ClientIpAddress', DHCP_IP_ADDRESS),
('SubnetMask', DHCP_IP_MASK),
('ClientHardwareAddress', DHCP_CLIENT_UID),
('ClientName', LPWSTR),
('ClientComment', LPWSTR),
('ClientLeaseExpires', DATE_TIME),
('OwnerHost', DHCP_HOST_INFO),
('bClientType', BYTE),
('AddressState', BYTE),
('Status', QuarantineStatus),
('ProbationEnds', DATE_TIME),
('QuarantineCapable', BOOL),
('FilterStatus', DWORD),
('PolicyName', LPWSTR),
)
class LPDHCP_CLIENT_INFO_PB(NDRPOINTER):
referent = (
('Data', DHCP_CLIENT_INFO_PB),
)
class LPDHCP_CLIENT_INFO_VQ(NDRPOINTER):
referent = (
('Data', DHCP_CLIENT_INFO_VQ),
)
class DHCP_CLIENT_INFO_VQ_ARRAY(NDRUniConformantArray):
item = LPDHCP_CLIENT_INFO_VQ
class LPDHCP_CLIENT_INFO_VQ_ARRAY(NDRPOINTER):
referent = (
('Data', DHCP_CLIENT_INFO_VQ_ARRAY),
)
class DHCP_CLIENT_INFO_ARRAY_VQ(NDRSTRUCT):
structure = (
('NumElements', DWORD),
('Clients', LPDHCP_CLIENT_INFO_VQ_ARRAY),
)
class LPDHCP_CLIENT_INFO_ARRAY_VQ(NDRPOINTER):
referent = (
('Data', DHCP_CLIENT_INFO_ARRAY_VQ),
)
class DHCP_CLIENT_INFO_V4_ARRAY(NDRUniConformantArray):
item = LPDHCP_CLIENT_INFO_V4
class DHCP_CLIENT_INFO_V5_ARRAY(NDRUniConformantArray):
item = LPDHCP_CLIENT_INFO_V5
class LPDHCP_CLIENT_INFO_V4_ARRAY(NDRPOINTER):
referent = (
('Data', DHCP_CLIENT_INFO_V4_ARRAY),
)
class LPDHCP_CLIENT_INFO_V5_ARRAY(NDRPOINTER):
referent = (
('Data', DHCP_CLIENT_INFO_V5_ARRAY),
)
class DHCP_CLIENT_INFO_ARRAY_V4(NDRSTRUCT):
structure = (
('NumElements', DWORD),
('Clients', LPDHCP_CLIENT_INFO_V4_ARRAY),
)
class DHCP_CLIENT_INFO_ARRAY_V5(NDRSTRUCT):
structure = (
('NumElements', DWORD),
('Clients', LPDHCP_CLIENT_INFO_V4_ARRAY),
)
class LPDHCP_CLIENT_INFO_ARRAY_V5(NDRPOINTER):
referent = (
('Data', DHCP_CLIENT_INFO_ARRAY_V5),
)
class LPDHCP_CLIENT_INFO_ARRAY_V4(NDRPOINTER):
referent = (
('Data', DHCP_CLIENT_INFO_ARRAY_V4),
)
class DHCP_IP_ADDRESS_ARRAY(NDRUniConformantArray):
item = DHCP_IP_ADDRESS
class LPDHCP_IP_ADDRESS_ARRAY(NDRPOINTER):
referent = (
('Data', DHCP_IP_ADDRESS_ARRAY),
)
class DHCP_IP_ARRAY(NDRSTRUCT):
structure = (
('NumElements', DWORD),
('Elements', LPDHCP_IP_ADDRESS_ARRAY),
)
class DHCP_SUBNET_STATE(NDRENUM):
class enumItems(Enum):
DhcpSubnetEnabled = 0
DhcpSubnetDisabled = 1
DhcpSubnetEnabledSwitched = 2
DhcpSubnetDisabledSwitched = 3
DhcpSubnetInvalidState = 4
class DHCP_SUBNET_INFO(NDRSTRUCT):
structure = (
('SubnetAddress', DHCP_IP_ADDRESS),
('SubnetMask', DHCP_IP_MASK),
('SubnetName', LPWSTR),
('SubnetComment', LPWSTR),
('PrimaryHost', DHCP_HOST_INFO),
('SubnetState', DHCP_SUBNET_STATE),
)
class LPDHCP_SUBNET_INFO(NDRPOINTER):
referent = (
('Data', DHCP_SUBNET_INFO),
)
class DHCP_OPTION_SCOPE_TYPE(NDRENUM):
class enumItems(Enum):
DhcpDefaultOptions = 0
DhcpGlobalOptions = 1
DhcpSubnetOptions = 2
DhcpReservedOptions = 3
DhcpMScopeOptions = 4
class DHCP_RESERVED_SCOPE(NDRSTRUCT):
structure = (
('ReservedIpAddress', DHCP_IP_ADDRESS),
('ReservedIpSubnetAddress', DHCP_IP_ADDRESS),
)
class DHCP_OPTION_SCOPE_UNION(NDRUNION):
union = {
DHCP_OPTION_SCOPE_TYPE.DhcpDefaultOptions : (),
DHCP_OPTION_SCOPE_TYPE.DhcpGlobalOptions : (),
DHCP_OPTION_SCOPE_TYPE.DhcpSubnetOptions : ('SubnetScopeInfo', DHCP_IP_ADDRESS),
DHCP_OPTION_SCOPE_TYPE.DhcpReservedOptions : ('ReservedScopeInfo', DHCP_RESERVED_SCOPE),
DHCP_OPTION_SCOPE_TYPE.DhcpMScopeOptions : ('MScopeInfo', LPWSTR),
}
class DHCP_OPTION_SCOPE_INFO(NDRSTRUCT):
structure = (
('ScopeType', DHCP_OPTION_SCOPE_TYPE),
('ScopeInfo', DHCP_OPTION_SCOPE_UNION),
)
class LPDHCP_OPTION_SCOPE_INFO(NDRPOINTER):
referent = (
('Data', DHCP_OPTION_SCOPE_INFO)
)
class DWORD_DWORD(NDRSTRUCT):
structure = (
('DWord1', DWORD),
('DWord2', DWORD),
)
class DHCP_BOOTP_IP_RANGE(NDRSTRUCT):
structure = (
('StartAddress', DHCP_IP_ADDRESS),
('EndAddress', DHCP_IP_ADDRESS),
('BootpAllocated', ULONG),
('MaxBootpAllowed', DHCP_IP_ADDRESS),
('MaxBootpAllowed', ULONG ),
)
class DHCP_IP_RESERVATION_V4(NDRSTRUCT):
structure = (
('ReservedIpAddress', DHCP_IP_ADDRESS),
('ReservedForClient', DHCP_CLIENT_UID),
('bAllowedClientTypes', BYTE),
)
class DHCP_IP_RANGE(NDRSTRUCT):
structure = (
('StartAddress', DHCP_IP_ADDRESS),
('EndAddress', DHCP_IP_ADDRESS),
)
class DHCP_IP_CLUSTER(NDRSTRUCT):
structure = (
('ClusterAddress', DHCP_IP_ADDRESS),
('ClusterMask', DWORD),
)
class DHCP_SUBNET_ELEMENT_TYPE(NDRENUM):
class enumItems(Enum):
DhcpIpRanges = 0
DhcpSecondaryHosts = 1
DhcpReservedIps = 2
DhcpExcludedIpRanges = 3
DhcpIpUsedClusters = 4
DhcpIpRangesDhcpOnly = 5
DhcpIpRangesDhcpBootp = 6
DhcpIpRangesBootpOnly = 7
class DHCP_SUBNET_ELEMENT_UNION_V5(NDRUNION):
union = {
DHCP_SUBNET_ELEMENT_TYPE.DhcpIpRanges : ('IpRange', DHCP_BOOTP_IP_RANGE),
DHCP_SUBNET_ELEMENT_TYPE.DhcpSecondaryHosts : ('SecondaryHost', DHCP_HOST_INFO),
DHCP_SUBNET_ELEMENT_TYPE.DhcpReservedIps : ('ReservedIp', DHCP_IP_RESERVATION_V4),
DHCP_SUBNET_ELEMENT_TYPE.DhcpExcludedIpRanges : ('ExcludeIpRange', DHCP_IP_RANGE),
DHCP_SUBNET_ELEMENT_TYPE.DhcpIpUsedClusters : ('IpUsedCluster', DHCP_IP_CLUSTER),
}
class DHCP_SUBNET_ELEMENT_DATA_V5(NDRSTRUCT):
structure = (
('ElementType', DHCP_SUBNET_ELEMENT_TYPE),
('Element', DHCP_SUBNET_ELEMENT_UNION_V5),
)
class LPDHCP_SUBNET_ELEMENT_DATA_V5(NDRUniConformantArray):
item = DHCP_SUBNET_ELEMENT_DATA_V5
class DHCP_SUBNET_ELEMENT_INFO_ARRAY_V5(NDRSTRUCT):
structure = (
('NumElements', DWORD),
('Elements', LPDHCP_SUBNET_ELEMENT_DATA_V5),
)
class LPDHCP_SUBNET_ELEMENT_INFO_ARRAY_V5(NDRPOINTER):
referent = (
('Data', DHCP_SUBNET_ELEMENT_INFO_ARRAY_V5)
)
class DHCP_OPTION_DATA_TYPE(NDRENUM):
class enumItems(Enum):
DhcpByteOption = 0
DhcpWordOption = 1
DhcpDWordOption = 2
DhcpDWordDWordOption = 3
DhcpIpAddressOption = 4
DhcpStringDataOption = 5
DhcpBinaryDataOption = 6
DhcpEncapsulatedDataOption = 7
DhcpIpv6AddressOption = 8
class DHCP_OPTION_ELEMENT_UNION(NDRUNION):
commonHdr = (
('tag', DHCP_OPTION_DATA_TYPE),
)
union = {
DHCP_OPTION_DATA_TYPE.DhcpByteOption : ('ByteOption', BYTE),
DHCP_OPTION_DATA_TYPE.DhcpWordOption : ('WordOption', WORD),
DHCP_OPTION_DATA_TYPE.DhcpDWordOption : ('DWordOption', DWORD),
DHCP_OPTION_DATA_TYPE.DhcpDWordDWordOption : ('DWordDWordOption', DWORD_DWORD),
DHCP_OPTION_DATA_TYPE.DhcpIpAddressOption : ('IpAddressOption', DHCP_IP_ADDRESS),
DHCP_OPTION_DATA_TYPE.DhcpStringDataOption : ('StringDataOption', LPWSTR),
DHCP_OPTION_DATA_TYPE.DhcpBinaryDataOption : ('BinaryDataOption', DHCP_BINARY_DATA),
DHCP_OPTION_DATA_TYPE.DhcpEncapsulatedDataOption: ('EncapsulatedDataOption', DHCP_BINARY_DATA),
DHCP_OPTION_DATA_TYPE.DhcpIpv6AddressOption : ('Ipv6AddressDataOption', LPWSTR),
}
class DHCP_OPTION_DATA_ELEMENT(NDRSTRUCT):
structure = (
('OptionType', DHCP_OPTION_DATA_TYPE),
('Element', DHCP_OPTION_ELEMENT_UNION),
)
class DHCP_OPTION_DATA_ELEMENT_ARRAY2(NDRUniConformantArray):
item = DHCP_OPTION_DATA_ELEMENT
class LPDHCP_OPTION_DATA_ELEMENT(NDRPOINTER):
referent = (
('Data', DHCP_OPTION_DATA_ELEMENT_ARRAY2),
)
class DHCP_OPTION_DATA(NDRSTRUCT):
structure = (
('NumElements', DWORD),
('Elements', LPDHCP_OPTION_DATA_ELEMENT),
)
class DHCP_OPTION_VALUE(NDRSTRUCT):
structure = (
('OptionID', DHCP_OPTION_ID),
('Value', DHCP_OPTION_DATA),
)
class PDHCP_OPTION_VALUE(NDRPOINTER):
referent = (
('Data', DHCP_OPTION_VALUE),
)
class DHCP_OPTION_VALUE_ARRAY2(NDRUniConformantArray):
item = DHCP_OPTION_VALUE
class LPDHCP_OPTION_VALUE(NDRPOINTER):
referent = (
('Data', DHCP_OPTION_VALUE_ARRAY2),
)
class DHCP_OPTION_VALUE_ARRAY(NDRSTRUCT):
structure = (
('NumElements', DWORD),
('Values', LPDHCP_OPTION_VALUE),
)
class LPDHCP_OPTION_VALUE_ARRAY(NDRPOINTER):
referent = (
('Data', DHCP_OPTION_VALUE_ARRAY),
)
class DHCP_ALL_OPTION_VALUES(NDRSTRUCT):
structure = (
('ClassName', LPWSTR),
('VendorName', LPWSTR),
('IsVendor', BOOL),
('OptionsArray', LPDHCP_OPTION_VALUE_ARRAY),
)
class OPTION_VALUES_ARRAY(NDRUniConformantArray):
item = DHCP_ALL_OPTION_VALUES
class LPOPTION_VALUES_ARRAY(NDRPOINTER):
referent = (
('Data', OPTION_VALUES_ARRAY),
)
class DHCP_ALL_OPTIONS_VALUES(NDRSTRUCT):
structure = (
('Flags', DWORD),
('NumElements', DWORD),
('Options', LPOPTION_VALUES_ARRAY),
)
class LPDHCP_ALL_OPTION_VALUES(NDRPOINTER):
referent = (
('Data', DHCP_ALL_OPTIONS_VALUES),
)
################################################################################
# RPC CALLS
################################################################################
# Interface dhcpsrv
class DhcpGetSubnetInfo(NDRCALL):
opnum = 2
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('SubnetAddress', DHCP_IP_ADDRESS),
)
class DhcpGetSubnetInfoResponse(NDRCALL):
structure = (
('SubnetInfo', LPDHCP_SUBNET_INFO),
('ErrorCode', ULONG),
)
class DhcpEnumSubnets(NDRCALL):
opnum = 3
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('ResumeHandle', LPDWORD),
('PreferredMaximum', DWORD),
)
class DhcpEnumSubnetsResponse(NDRCALL):
structure = (
('ResumeHandle', LPDWORD),
('EnumInfo', DHCP_IP_ARRAY),
('EnumRead', DWORD),
('EnumTotal', DWORD),
('ErrorCode', ULONG),
)
class DhcpGetOptionValue(NDRCALL):
opnum = 13
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('OptionID', DHCP_OPTION_ID),
('ScopeInfo', DHCP_OPTION_SCOPE_INFO),
)
class DhcpGetOptionValueResponse(NDRCALL):
structure = (
('OptionValue', PDHCP_OPTION_VALUE),
('ErrorCode', ULONG),
)
class DhcpEnumOptionValues(NDRCALL):
opnum = 14
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('ScopeInfo', DHCP_OPTION_SCOPE_INFO),
('ResumeHandle', LPDWORD),
('PreferredMaximum', DWORD),
)
class DhcpEnumOptionValuesResponse(NDRCALL):
structure = (
('ResumeHandle', DWORD),
('OptionValues', LPDHCP_OPTION_VALUE_ARRAY),
('OptionsRead', DWORD),
('OptionsTotal', DWORD),
('ErrorCode', ULONG),
)
class DhcpGetClientInfoV4(NDRCALL):
opnum = 34
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('SearchInfo', DHCP_SEARCH_INFO),
)
class DhcpGetClientInfoV4Response(NDRCALL):
structure = (
('ClientInfo', LPDHCP_CLIENT_INFO_V4),
('ErrorCode', ULONG),
)
class DhcpEnumSubnetClientsV4(NDRCALL):
opnum = 35
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('SubnetAddress', DHCP_IP_ADDRESS),
('ResumeHandle', DWORD),
('PreferredMaximum', DWORD),
)
class DhcpEnumSubnetClientsV4Response(NDRCALL):
structure = (
('ResumeHandle', LPDWORD),
('ClientInfo', LPDHCP_CLIENT_INFO_ARRAY_V4),
('ClientsRead', DWORD),
('ClientsTotal', DWORD),
('ErrorCode', ULONG),
)
# Interface dhcpsrv2
class DhcpEnumSubnetClientsV5(NDRCALL):
opnum = 0
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('SubnetAddress', DHCP_IP_ADDRESS),
('ResumeHandle', LPDWORD),
('PreferredMaximum', DWORD),
)
class DhcpEnumSubnetClientsV5Response(NDRCALL):
structure = (
('ResumeHandle', DWORD),
('ClientsInfo', LPDHCP_CLIENT_INFO_ARRAY_V5),
('ClientsRead', DWORD),
('ClientsTotal', DWORD),
)
class DhcpGetOptionValueV5(NDRCALL):
opnum = 21
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('Flags', DWORD),
('OptionID', DHCP_OPTION_ID),
('ClassName', LPWSTR),
('VendorName', LPWSTR),
('ScopeInfo', DHCP_OPTION_SCOPE_INFO),
)
class DhcpGetOptionValueV5Response(NDRCALL):
structure = (
('OptionValue', PDHCP_OPTION_VALUE),
('ErrorCode', ULONG),
)
class DhcpEnumOptionValuesV5(NDRCALL):
opnum = 22
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('Flags', DWORD),
('ClassName', LPWSTR),
('VendorName', LPWSTR),
('ScopeInfo', DHCP_OPTION_SCOPE_INFO),
('ResumeHandle', LPDWORD),
('PreferredMaximum', DWORD),
)
class DhcpEnumOptionValuesV5Response(NDRCALL):
structure = (
('ResumeHandle', DWORD),
('OptionValues', LPDHCP_OPTION_VALUE_ARRAY),
('OptionsRead', DWORD),
('OptionsTotal', DWORD),
('ErrorCode', ULONG),
)
class DhcpGetAllOptionValues(NDRCALL):
opnum = 30
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('Flags', DWORD),
('ScopeInfo', DHCP_OPTION_SCOPE_INFO),
)
class DhcpGetAllOptionValuesResponse(NDRCALL):
structure = (
('Values', LPDHCP_ALL_OPTION_VALUES),
('ErrorCode', ULONG),
)
class DhcpEnumSubnetElementsV5(NDRCALL):
opnum = 38
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('SubnetAddress', DHCP_IP_ADDRESS),
('EnumElementType', DHCP_SUBNET_ELEMENT_TYPE),
('ResumeHandle', LPDWORD),
('PreferredMaximum', DWORD),
)
class DhcpEnumSubnetElementsV5Response(NDRCALL):
structure = (
('ResumeHandle', DWORD),
('EnumElementInfo', LPDHCP_SUBNET_ELEMENT_INFO_ARRAY_V5),
('ElementsRead', DWORD),
('ElementsTotal', DWORD),
('ErrorCode', ULONG),
)
class DhcpEnumSubnetClientsVQ(NDRCALL):
opnum = 47
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('SubnetAddress', DHCP_IP_ADDRESS),
('ResumeHandle', LPDWORD),
('PreferredMaximum', DWORD),
)
class DhcpEnumSubnetClientsVQResponse(NDRCALL):
structure = (
('ResumeHandle', LPDWORD),
('ClientInfo', LPDHCP_CLIENT_INFO_ARRAY_VQ),
('ClientsRead', DWORD),
('ClientsTotal', DWORD),
('ErrorCode', ULONG),
)
class DhcpV4GetClientInfo(NDRCALL):
opnum = 123
structure = (
('ServerIpAddress', DHCP_SRV_HANDLE),
('SearchInfo', DHCP_SEARCH_INFO),
)
class DhcpV4GetClientInfoResponse(NDRCALL):
structure = (
('ClientInfo', LPDHCP_CLIENT_INFO_PB),
('ErrorCode', ULONG),
)
################################################################################
# OPNUMs and their corresponding structures
################################################################################
OPNUMS = {
0: (DhcpEnumSubnetClientsV5, DhcpEnumSubnetClientsV5Response),
2: (DhcpGetSubnetInfo, DhcpGetSubnetInfoResponse),
3: (DhcpEnumSubnets, DhcpEnumSubnetsResponse),
13: (DhcpGetOptionValue, DhcpGetOptionValueResponse),
14: (DhcpEnumOptionValues, DhcpEnumOptionValuesResponse),
21: (DhcpGetOptionValueV5, DhcpGetOptionValueV5Response),
22: (DhcpEnumOptionValuesV5, DhcpEnumOptionValuesV5Response),
30: (DhcpGetAllOptionValues, DhcpGetAllOptionValuesResponse),
34: (DhcpGetClientInfoV4, DhcpGetClientInfoV4Response),
35: (DhcpEnumSubnetClientsV4, DhcpEnumSubnetClientsV4Response),
38: (DhcpEnumSubnetElementsV5, DhcpEnumSubnetElementsV5Response),
47: (DhcpEnumSubnetClientsVQ, DhcpEnumSubnetClientsVQResponse),
123: (DhcpV4GetClientInfo, DhcpV4GetClientInfoResponse),
}
################################################################################
# HELPER FUNCTIONS
################################################################################
def hDhcpGetClientInfoV4(dce, searchType, searchValue):
request = DhcpGetClientInfoV4()
request['ServerIpAddress'] = NULL
request['SearchInfo']['SearchType'] = searchType
request['SearchInfo']['SearchInfo']['tag'] = searchType
if searchType == DHCP_SEARCH_INFO_TYPE.DhcpClientIpAddress:
request['SearchInfo']['SearchInfo']['ClientIpAddress'] = searchValue
elif searchType == DHCP_SEARCH_INFO_TYPE.DhcpClientHardwareAddress:
# This should be a DHCP_BINARY_DATA
request['SearchInfo']['SearchInfo']['ClientHardwareAddress'] = searchValue
else:
request['SearchInfo']['SearchInfo']['ClientName'] = searchValue
return dce.request(request)
def hDhcpGetSubnetInfo(dce, subnetaddress):
request = DhcpGetSubnetInfo()
request['ServerIpAddress'] = NULL
request['SubnetAddress'] = subnetaddress
resp = dce.request(request)
return resp
def hDhcpGetOptionValue(dce, optionID, scopetype=DHCP_OPTION_SCOPE_TYPE.DhcpDefaultOptions, options=NULL):
request = DhcpGetOptionValue()
request['ServerIpAddress'] = NULL
request['OptionID'] = optionID
request['ScopeInfo']['ScopeType'] = scopetype
if scopetype != DHCP_OPTION_SCOPE_TYPE.DhcpDefaultOptions and scopetype != DHCP_OPTION_SCOPE_TYPE.DhcpGlobalOptions:
request['ScopeInfo']['ScopeInfo']['tag'] = scopetype
if scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpSubnetOptions:
request['ScopeInfo']['ScopeInfo']['SubnetScopeInfo'] = options
elif scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpReservedOptions:
request['ScopeInfo']['ScopeInfo']['ReservedScopeInfo'] = options
elif scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpMScopeOptions:
request['ScopeInfo']['ScopeInfo']['MScopeInfo'] = options
status = system_errors.ERROR_MORE_DATA
while status == system_errors.ERROR_MORE_DATA:
try:
resp = dce.request(request)
except DCERPCException as e:
if str(e).find('ERROR_NO_MORE_ITEMS') < 0:
raise
resp = e.get_packet()
return resp
def hDhcpEnumOptionValues(dce, scopetype=DHCP_OPTION_SCOPE_TYPE.DhcpDefaultOptions, options=NULL,
preferredMaximum=0xffffffff):
request = DhcpEnumOptionValues()
request['ServerIpAddress'] = NULL
request['ScopeInfo']['ScopeType'] = scopetype
if scopetype != DHCP_OPTION_SCOPE_TYPE.DhcpDefaultOptions and scopetype != DHCP_OPTION_SCOPE_TYPE.DhcpGlobalOptions:
request['ScopeInfo']['ScopeInfo']['tag'] = scopetype
if scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpSubnetOptions:
request['ScopeInfo']['ScopeInfo']['SubnetScopeInfo'] = options
elif scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpReservedOptions:
request['ScopeInfo']['ScopeInfo']['ReservedScopeInfo'] = options
elif scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpMScopeOptions:
request['ScopeInfo']['ScopeInfo']['MScopeInfo'] = options
request['ResumeHandle'] = NULL
request['PreferredMaximum'] = preferredMaximum
status = system_errors.ERROR_MORE_DATA
while status == system_errors.ERROR_MORE_DATA:
try:
resp = dce.request(request)
except DCERPCException as e:
if str(e).find('ERROR_NO_MORE_ITEMS') < 0:
raise
resp = e.get_packet()
return resp
def hDhcpEnumOptionValuesV5(dce, flags=DHCP_FLAGS_OPTION_DEFAULT, classname=NULL, vendorname=NULL,
scopetype=DHCP_OPTION_SCOPE_TYPE.DhcpDefaultOptions, options=NULL,
preferredMaximum=0xffffffff):
request = DhcpEnumOptionValuesV5()
request['ServerIpAddress'] = NULL
request['Flags'] = flags
request['ClassName'] = classname
request['VendorName'] = vendorname
request['ScopeInfo']['ScopeType'] = scopetype
request['ScopeInfo']['ScopeInfo']['tag'] = scopetype
if scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpSubnetOptions:
request['ScopeInfo']['ScopeInfo']['SubnetScopeInfo'] = options
elif scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpReservedOptions:
request['ScopeInfo']['ScopeInfo']['ReservedScopeInfo'] = options
elif scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpMScopeOptions:
request['ScopeInfo']['ScopeInfo']['MScopeInfo'] = options
request['ResumeHandle'] = NULL
request['PreferredMaximum'] = preferredMaximum
status = system_errors.ERROR_MORE_DATA
while status == system_errors.ERROR_MORE_DATA:
try:
resp = dce.request(request)
except DCERPCException as e:
if str(e).find('ERROR_NO_MORE_ITEMS') < 0:
raise
resp = e.get_packet()
return resp
def hDhcpGetOptionValueV5(dce, option_id, flags=DHCP_FLAGS_OPTION_DEFAULT, classname=NULL, vendorname=NULL,
scopetype=DHCP_OPTION_SCOPE_TYPE.DhcpDefaultOptions, options=NULL):
request = DhcpGetOptionValueV5()
request['ServerIpAddress'] = NULL
request['Flags'] = flags
request['OptionID'] = option_id
request['ClassName'] = classname
request['VendorName'] = vendorname
request['ScopeInfo']['ScopeType'] = scopetype
request['ScopeInfo']['ScopeInfo']['tag'] = scopetype
if scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpSubnetOptions:
request['ScopeInfo']['ScopeInfo']['SubnetScopeInfo'] = options
elif scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpReservedOptions:
request['ScopeInfo']['ScopeInfo']['ReservedScopeInfo'] = options
elif scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpMScopeOptions:
request['ScopeInfo']['ScopeInfo']['MScopeInfo'] = options
status = system_errors.ERROR_MORE_DATA
while status == system_errors.ERROR_MORE_DATA:
try:
resp = dce.request(request)
except DCERPCException as e:
if str(e).find('ERROR_NO_MORE_ITEMS') < 0:
raise
resp = e.get_packet()
return resp
def hDhcpGetAllOptionValues(dce, scopetype=DHCP_OPTION_SCOPE_TYPE.DhcpDefaultOptions, options=NULL):
request = DhcpGetAllOptionValues()
request['ServerIpAddress'] = NULL
request['Flags'] = NULL
request['ScopeInfo']['ScopeType'] = scopetype
request['ScopeInfo']['ScopeInfo']['tag'] = scopetype
if scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpSubnetOptions:
request['ScopeInfo']['ScopeInfo']['SubnetScopeInfo'] = options
elif scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpReservedOptions:
request['ScopeInfo']['ScopeInfo']['ReservedScopeInfo'] = options
elif scopetype == DHCP_OPTION_SCOPE_TYPE.DhcpMScopeOptions:
request['ScopeInfo']['ScopeInfo']['MScopeInfo'] = options
status = system_errors.ERROR_MORE_DATA
while status == system_errors.ERROR_MORE_DATA:
try:
resp = dce.request(request)
except DCERPCException as e:
if str(e).find('ERROR_NO_MORE_ITEMS') < 0:
raise
resp = e.get_packet()
return resp
def hDhcpEnumSubnets(dce, preferredMaximum=0xffffffff):
request = DhcpEnumSubnets()
request['ServerIpAddress'] = NULL
request['ResumeHandle'] = NULL
request['PreferredMaximum'] = preferredMaximum
status = system_errors.ERROR_MORE_DATA
while status == system_errors.ERROR_MORE_DATA:
try:
resp = dce.request(request)
except DCERPCException as e:
if str(e).find('STATUS_MORE_ENTRIES') < 0:
raise
resp = e.get_packet()
return resp
def hDhcpEnumSubnetClientsVQ(dce, preferredMaximum=0xffffffff):
request = DhcpEnumSubnetClientsVQ()
request['ServerIpAddress'] = NULL
request['SubnetAddress'] = NULL
request['ResumeHandle'] = NULL
request['PreferredMaximum'] = preferredMaximum
status = system_errors.ERROR_MORE_DATA
while status == system_errors.ERROR_MORE_DATA:
try:
resp = dce.request(request)
except DCERPCException as e:
if str(e).find('STATUS_MORE_ENTRIES') < 0:
raise
resp = e.get_packet()
return resp
def hDhcpEnumSubnetClientsV4(dce, preferredMaximum=0xffffffff):
request = DhcpEnumSubnetClientsV4()
request['ServerIpAddress'] = NULL
request['SubnetAddress'] = NULL
request['ResumeHandle'] = NULL
request['PreferredMaximum'] = preferredMaximum
status = system_errors.ERROR_MORE_DATA
while status == system_errors.ERROR_MORE_DATA:
try:
resp = dce.request(request)
except DCERPCException as e:
if str(e).find('STATUS_MORE_ENTRIES') < 0:
raise
resp = e.get_packet()
return resp
def hDhcpEnumSubnetClientsV5(dce, subnetAddress=0, preferredMaximum=0xffffffff):
request = DhcpEnumSubnetClientsV5()
request['ServerIpAddress'] = NULL
request['SubnetAddress'] = subnetAddress
request['ResumeHandle'] = NULL
request['PreferredMaximum'] = preferredMaximum
status = system_errors.ERROR_MORE_DATA
while status == system_errors.ERROR_MORE_DATA:
try:
resp = dce.request(request)
except DCERPCSessionError as e:
if str(e).find('STATUS_MORE_ENTRIES') < 0:
raise
resp = e.get_packet()
return resp
def hDhcpEnumSubnetElementsV5(dce, subnet_address, element_type=DHCP_SUBNET_ELEMENT_TYPE.DhcpIpRanges, preferredMaximum=0xffffffff):
request = DhcpEnumSubnetElementsV5()
request['ServerIpAddress'] = NULL
request['SubnetAddress'] = subnet_address
request['EnumElementType'] = element_type
request['ResumeHandle'] = NULL
request['PreferredMaximum'] = preferredMaximum
status = system_errors.ERROR_MORE_DATA
while status == system_errors.ERROR_MORE_DATA:
try:
resp = dce.request(request)
except DCERPCException as e:
if str(e).find('ERROR_NO_MORE_ITEMS') < 0:
raise
resp = e.get_packet()
return resp
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