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hakril-PythonForWindows/tests/test_generated_def.py
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2020-02-13 22:12:40 +01:00

99 lines
3.9 KiB
Python

import pytest
import windows
import windows.remotectypes as rctypes
import ctypes
import json
from .pfwtest import *
def assert_struct_offset(struct, field, offset):
assert getattr(struct, field).offset == offset
if windows.current_process.bitness == 32:
PEB32 = windows.generated_def.PEB
PEB64 = rctypes.transform_type_to_remote64bits(windows.generated_def.PEB)
else:
PEB32 = rctypes.transform_type_to_remote32bits(windows.generated_def.PEB)
PEB64 = windows.generated_def.PEB
def test_peb32_fields():
assert_peb_offset = lambda field, offset: assert_struct_offset(PEB32, field, offset)
assert_peb_offset("BeingDebugged", 2)
assert_peb_offset("ImageBaseAddress", 0x8)
assert_peb_offset("Ldr", 0xc)
assert_peb_offset("ProcessParameters", 0x10)
assert_peb_offset("KernelCallbackTable", 0x2c)
assert_peb_offset("UserSharedInfoPtr", 0x2c)
assert_peb_offset("ApiSetMap", 0x38)
assert_peb_offset("NumberOfProcessors", 0x64)
assert_peb_offset("GdiHandleBuffer", 0xc4)
assert_peb_offset("PostProcessInitRoutine", 0x14c) # Field just after 'GdiHandleBuffer' allow to also check the 'GdiHandleBuffer' size hack
assert_peb_offset("SessionId", 0x1d4)
assert_peb_offset("CSDVersion", 0x01F0)
assert_peb_offset("MinimumStackCommit", 0x0208)
def test_peb64_fields():
assert_peb_offset = lambda field, offset: assert_struct_offset(PEB64, field, offset)
assert_peb_offset("BeingDebugged", 2)
assert_peb_offset("ImageBaseAddress", 0x10)
assert_peb_offset("Ldr", 0x18)
assert_peb_offset("ProcessParameters", 0x20)
assert_peb_offset("KernelCallbackTable", 0x58)
assert_peb_offset("UserSharedInfoPtr", 0x58)
assert_peb_offset("ApiSetMap", 0x68)
assert_peb_offset("NumberOfProcessors", 0xb8)
assert_peb_offset("GdiHandleBuffer", 0x140)
assert_peb_offset("PostProcessInitRoutine", 0x230) # Field just after 'GdiHandleBuffer' allow to also check the 'GdiHandleBuffer' size hack
assert_peb_offset("SessionId", 0x2c0)
assert_peb_offset("CSDVersion", 0x02E8)
assert_peb_offset("MinimumStackCommit", 0x0318)
def test_cs_custom_define():
assert windows.generated_def.CS_USER_32B == 0x23
assert windows.generated_def.CS_USER_64B == 0x33
# typedef struct _DnsRecordFlags
# {
# DWORD Section : 2;
# DWORD Delete : 1;
# DWORD CharSet : 2;
# DWORD Unused : 3;
# DWORD Reserved : 24;
# }
# DNS_RECORD_FLAGS;
# Size should be 4 bytes (2+1+2+3+24) == 32 == 4 bytes
def test_dns_record_flags_size():
assert ctypes.sizeof(gdef.DNS_RECORD_FLAGS) == 4
def test_str_json_serialization():
# Until dec2019 the __str__ of Flags were that same as __repr__
# Flag being a int subclasse it would break json encoding as str(x) is used for int & subclasses
# I do not find this acceptable anymore
# __str__ of generated_def will now be really different from __repr__ and try to keep good level of compatility
# with expected output of __str__ by the stdlib
data = {"code": gdef.CREATE_SUSPENDED, "other": [gdef.ALPC_MESSAGE_VIEW_ATTRIBUTE, gdef.szOID_RSA_RC4]}
json_data = json.dumps(data)
newdata = json.loads(json_data) # Will fail if bad Flag.__str__
assert "CREATE_SUSPENDED" not in json_data
assert newdata == {"code": gdef.CREATE_SUSPENDED, "other": [gdef.ALPC_MESSAGE_VIEW_ATTRIBUTE, gdef.szOID_RSA_RC4]}
assert type(newdata["code"]) is int
def test_psid_compare():
msid = gdef.PSID.from_string
# Do not reuse the same object as we do not want to fallback on compare based on address
assert msid("S-1-5-12345") == msid("S-1-5-12345")
assert msid("S-1-5-123") != msid("S-1-5-42")
assert not (msid("S-1-5-12345") != msid("S-1-5-12345"))
assert not (msid("S-1-5-12345") == msid("S-1-5-42"))
def test_psid_from_to_string():
initial_str = "S-1-5-12345"
sid = gdef.PSID.from_string(initial_str)
assert str(sid) == initial_str
assert gdef.PSID.from_string(str(sid)) == sid