/usr/lib/python2.7/dist-packages/impacket/dcerpc/v5/dtypes.py is in python-impacket 0.9.15-1.
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#
# 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-DTYP] Interface mini implementation
#
from struct import pack
from impacket.dcerpc.v5.ndr import NDRULONG, NDRUHYPER, NDRSHORT, NDRLONG, NDRPOINTER, NDRUniConformantArray, \
NDRUniFixedArray, NDR, NDRHYPER, NDRSMALL, NDRPOINTERNULL, NDRSTRUCT, \
NDRUSMALL, NDRBOOLEAN, NDRUSHORT, NDRFLOAT, NDRDOUBLEFLOAT, NULL
DWORD = NDRULONG
BOOL = NDRULONG
UCHAR = NDRUSMALL
SHORT = NDRSHORT
NULL = NULL
class LPDWORD(NDRPOINTER):
referent = (
('Data', DWORD),
)
class PSHORT(NDRPOINTER):
referent = (
('Data', SHORT),
)
class PBOOL(NDRPOINTER):
referent = (
('Data', BOOL),
)
class LPBYTE(NDRPOINTER):
referent = (
('Data', NDRUniConformantArray),
)
PBYTE = LPBYTE
# 2.2.4 BOOLEAN
BOOLEAN = NDRBOOLEAN
# 2.2.6 BYTE
BYTE = NDRUSMALL
# 2.2.7 CHAR
CHAR = NDRSMALL
class PCHAR(NDRPOINTER):
referent = (
('Data', CHAR),
)
class WIDESTR(NDRUniFixedArray):
def getDataLen(self, data):
return data.find('\x00\x00\x00')+3
def __setitem__(self, key, value):
if key == 'Data':
try:
self.fields[key] = value.encode('utf-16le')
except UnicodeDecodeError:
import sys
self.fields[key] = value.decode(sys.getfilesystemencoding()).encode('utf-16le')
self.data = None # force recompute
else:
return NDR.__setitem__(self, key, value)
def __getitem__(self, key):
if key == 'Data':
return self.fields[key].decode('utf-16le')
else:
return NDR.__getitem__(self,key)
class STR(NDRSTRUCT):
commonHdr = (
('MaximumCount', '<L=len(Data)'),
('Offset','<L=0'),
('ActualCount','<L=len(Data)'),
)
commonHdr64 = (
('MaximumCount', '<Q=len(Data)'),
('Offset','<Q=0'),
('ActualCount','<Q=len(Data)'),
)
structure = (
('Data',':'),
)
def dump(self, msg = None, indent = 0):
if msg is None: msg = self.__class__.__name__
if msg != '':
print "%s" % msg,
# Here just print the data
print " %r" % (self['Data']),
def __setitem__(self, key, value):
if key == 'Data':
self.fields[key] = value
self.fields['MaximumCount'] = None
self.fields['ActualCount'] = None
self.data = None # force recompute
else:
return NDR.__setitem__(self, key, value)
def getDataLen(self, data):
return self["ActualCount"]
class LPSTR(NDRPOINTER):
referent = (
('Data', STR),
)
class WSTR(NDRSTRUCT):
commonHdr = (
('MaximumCount', '<L=len(Data)/2'),
('Offset','<L=0'),
('ActualCount','<L=len(Data)/2'),
)
commonHdr64 = (
('MaximumCount', '<Q=len(Data)/2'),
('Offset','<Q=0'),
('ActualCount','<Q=len(Data)/2'),
)
structure = (
('Data',':'),
)
def dump(self, msg = None, indent = 0):
if msg is None: msg = self.__class__.__name__
if msg != '':
print "%s" % msg,
# Here just print the data
print " %r" % (self['Data']),
def getDataLen(self, data):
return self["ActualCount"]*2
def __setitem__(self, key, value):
if key == 'Data':
try:
self.fields[key] = value.encode('utf-16le')
except UnicodeDecodeError:
import sys
self.fields[key] = value.decode(sys.getfilesystemencoding()).encode('utf-16le')
self.fields['MaximumCount'] = None
self.fields['ActualCount'] = None
self.data = None # force recompute
else:
return NDR.__setitem__(self, key, value)
def __getitem__(self, key):
if key == 'Data':
return self.fields[key].decode('utf-16le')
else:
return NDR.__getitem__(self,key)
class LPWSTR(NDRPOINTER):
referent = (
('Data', WSTR),
)
# 2.2.5 BSTR
BSTR = LPWSTR
# 2.2.8 DOUBLE
DOUBLE = NDRDOUBLEFLOAT
class PDOUBLE(NDRPOINTER):
referent = (
('Data', DOUBLE),
)
# 2.2.15 FLOAT
FLOAT = NDRFLOAT
class PFLOAT(NDRPOINTER):
referent = (
('Data', FLOAT),
)
# 2.2.18 HRESULT
HRESULT = NDRLONG
class PHRESULT(NDRPOINTER):
referent = (
('Data', HRESULT),
)
# 2.2.19 INT
INT = NDRLONG
class PINT(NDRPOINTER):
referent = (
('Data', INT),
)
# 2.2.26 LMSTR
LMSTR = LPWSTR
# 2.2.27 LONG
LONG = NDRLONG
class LPLONG(NDRPOINTER):
referent = (
('Data', LONG),
)
PLONG = LPLONG
# 2.2.28 LONGLONG
LONGLONG = NDRHYPER
class PLONGLONG(NDRPOINTER):
referent = (
('Data', LONGLONG),
)
# 2.2.31 LONG64
LONG64 = NDRUHYPER
class PLONG64(NDRPOINTER):
referent = (
('Data', LONG64),
)
# 2.2.32 LPCSTR
LPCSTR = LPSTR
# 2.2.36 NET_API_STATUS
NET_API_STATUS = DWORD
# 2.2.52 ULONG_PTR
ULONG_PTR = NDRULONG
# 2.2.10 DWORD_PTR
DWORD_PTR = ULONG_PTR
# 2.3.2 GUID and UUID
class GUID(NDRSTRUCT):
structure = (
('Data','16s=""'),
)
def getAlignment(self):
return 4
class PGUID(NDRPOINTER):
referent = (
('Data', GUID),
)
UUID = GUID
PUUID = PGUID
# 2.2.37 NTSTATUS
NTSTATUS = DWORD
# 2.2.45 UINT
UINT = NDRULONG
class PUINT(NDRPOINTER):
referent = (
('Data', UINT),
)
# 2.2.50 ULONG
ULONG = NDRULONG
class PULONG(NDRPOINTER):
referent = (
('Data', ULONG),
)
LPULONG = PULONG
# 2.2.54 ULONGLONG
ULONGLONG = NDRUHYPER
class PULONGLONG(NDRPOINTER):
referent = (
('Data', ULONGLONG),
)
# 2.2.57 USHORT
USHORT = NDRUSHORT
class PUSHORT(NDRPOINTER):
referent = (
('Data', USHORT),
)
# 2.2.59 WCHAR
WCHAR = WSTR
PWCHAR = LPWSTR
# 2.2.61 WORD
WORD = NDRUSHORT
class PWORD(NDRPOINTER):
referent = (
('Data', WORD),
)
LPWORD = PWORD
# 2.3.1 FILETIME
class FILETIME(NDRSTRUCT):
structure = (
('dwLowDateTime', DWORD),
('dwHighDateTime', LONG),
)
class PFILETIME(NDRPOINTER):
referent = (
('Data', FILETIME),
)
# 2.3.3 LARGE_INTEGER
LARGE_INTEGER = NDRHYPER
class PLARGE_INTEGER(NDRPOINTER):
referent = (
('Data', LARGE_INTEGER),
)
# 2.3.5 LUID
class LUID(NDRSTRUCT):
structure = (
('LowPart', DWORD),
('HighPart', LONG),
)
# 2.3.8 RPC_UNICODE_STRING
class RPC_UNICODE_STRING(NDRSTRUCT):
# Here we're doing some tricks to make this data type
# easier to use. It's exactly the same as defined. I changed the
# Buffer name for Data, so users can write directly to the datatype
# instead of writing to datatype['Buffer'].
# The drawback is you cannot directly access the Length and
# MaximumLength fields.
# If you really need it, you will need to do it this way:
# class TT(NDRCALL):
# structure = (
# ('str1', RPC_UNICODE_STRING),
# )
#
# nn = TT()
# nn.fields['str1'].fields['MaximumLength'] = 30
structure = (
('Length','<H=0'),
('MaximumLength','<H=0'),
('Data',LPWSTR),
)
def __setitem__(self, key, value):
if key == 'Data' and isinstance(value, NDR) is False:
try:
value.encode('utf-16le')
except UnicodeDecodeError:
import sys
value = value.decode(sys.getfilesystemencoding())
self['Length'] = len(value)*2
self['MaximumLength'] = len(value)*2
return NDRSTRUCT.__setitem__(self, key, value)
def dump(self, msg = None, indent = 0):
if msg is None: msg = self.__class__.__name__
if msg != '':
print "%s" % msg,
if isinstance(self.fields['Data'] , NDRPOINTERNULL):
print " NULL",
elif self.fields['Data']['ReferentID'] == 0:
print " NULL",
else:
return self.fields['Data'].dump('',indent)
class PRPC_UNICODE_STRING(NDRPOINTER):
referent = (
('Data', RPC_UNICODE_STRING ),
)
# 2.3.9 OBJECT_TYPE_LIST
ACCESS_MASK = DWORD
class OBJECT_TYPE_LIST(NDRSTRUCT):
structure = (
('Level', WORD),
('Remaining',ACCESS_MASK),
('ObjectType',PGUID),
)
class POBJECT_TYPE_LIST(NDRPOINTER):
referent = (
('Data', OBJECT_TYPE_LIST ),
)
# 2.3.13 SYSTEMTIME
class SYSTEMTIME(NDRSTRUCT):
structure = (
('wYear', WORD),
('wMonth', WORD),
('wDayOfWeek', WORD),
('wDay', WORD),
('wHour', WORD),
('wMinute', WORD),
('wSecond', WORD),
('wMilliseconds', WORD),
)
class PSYSTEMTIME(NDRPOINTER):
referent = (
('Data', SYSTEMTIME ),
)
# 2.3.15 ULARGE_INTEGER
class ULARGE_INTEGER(NDRSTRUCT):
structure = (
('QuadPart', LONG64),
)
class PULARGE_INTEGER(NDRPOINTER):
referent = (
('Data', ULARGE_INTEGER),
)
# 2.4.2.3 RPC_SID
class DWORD_ARRAY(NDRUniConformantArray):
item = '<L'
class RPC_SID_IDENTIFIER_AUTHORITY(NDRUniFixedArray):
align = 1
align64 = 1
def getDataLen(self, data):
return 6
class RPC_SID(NDRSTRUCT):
structure = (
('Revision',NDRSMALL),
('SubAuthorityCount',NDRSMALL),
('IdentifierAuthority',RPC_SID_IDENTIFIER_AUTHORITY),
('SubAuthority',DWORD_ARRAY),
)
def getData(self, soFar = 0):
self['SubAuthorityCount'] = len(self['SubAuthority'])
return NDRSTRUCT.getData(self, soFar)
def fromCanonical(self, canonical):
items = canonical.split('-')
self['Revision'] = int(items[1])
self['IdentifierAuthority'] = RPC_SID_IDENTIFIER_AUTHORITY()
self['IdentifierAuthority'] = '\x00\x00\x00\x00\x00' + pack('B',int(items[2]))
self['SubAuthorityCount'] = len(items) - 3
for i in range(self['SubAuthorityCount']):
self['SubAuthority'].append(int(items[i+3]))
def formatCanonical(self):
ans = 'S-%d-%d' % (self['Revision'], ord(self['IdentifierAuthority'][5]))
for i in range(self['SubAuthorityCount']):
ans += '-%d' % self['SubAuthority'][i]
return ans
class PRPC_SID(NDRPOINTER):
referent = (
('Data', RPC_SID),
)
PSID = PRPC_SID
# 2.4.3 ACCESS_MASK
GENERIC_READ = 0x80000000L
GENERIC_WRITE = 0x4000000L
GENERIC_EXECUTE = 0x20000000L
GENERIC_ALL = 0x10000000L
MAXIMUM_ALLOWED = 0x02000000L
ACCESS_SYSTEM_SECURITY = 0x01000000L
SYNCHRONIZE = 0x00100000L
WRITE_OWNER = 0x00080000L
WRITE_DACL = 0x00040000L
READ_CONTROL = 0x00020000L
DELETE = 0x00010000L
# 2.4.5.1 ACL--RPC Representation
class ACL(NDRSTRUCT):
structure = (
('AclRevision',NDRSMALL),
('Sbz1',NDRSMALL),
('AclSize',NDRSHORT),
('AceCount',NDRSHORT),
('Sbz2',NDRSHORT),
)
class PACL(NDRPOINTER):
referent = (
('Data', ACL),
)
# 2.4.6.1 SECURITY_DESCRIPTOR--RPC Representation
class SECURITY_DESCRIPTOR(NDRSTRUCT):
structure = (
('Revision',UCHAR),
('Sbz1',UCHAR),
('Control',USHORT),
('Owner',PSID),
('Group',PSID),
('Sacl',PACL),
('Dacl',PACL),
)
# 2.4.7 SECURITY_INFORMATION
OWNER_SECURITY_INFORMATION = 0x00000001
GROUP_SECURITY_INFORMATION = 0x00000002
DACL_SECURITY_INFORMATION = 0x00000004
SACL_SECURITY_INFORMATION = 0x00000008
LABEL_SECURITY_INFORMATION = 0x00000010
UNPROTECTED_SACL_SECURITY_INFORMATION = 0x10000000
UNPROTECTED_DACL_SECURITY_INFORMATION = 0x20000000
PROTECTED_SACL_SECURITY_INFORMATION = 0x40000000
PROTECTED_DACL_SECURITY_INFORMATION = 0x80000000
ATTRIBUTE_SECURITY_INFORMATION = 0x00000020
SCOPE_SECURITY_INFORMATION = 0x00000040
BACKUP_SECURITY_INFORMATION = 0x00010000
SECURITY_INFORMATION = DWORD
class PSECURITY_INFORMATION(NDRPOINTER):
referent = (
('Data', SECURITY_INFORMATION),
)
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