def CoCreateInstance(self, emu, argv, ctx={}):
"""
HRESULT CoCreateInstance(
REFCLSID rclsid,
LPUNKNOWN pUnkOuter,
DWORD dwClsContext,
REFIID riid,
LPVOID *ppv
);
"""
rclsid, pUnkOuter, dwClsContext, riid, ppv = argv
rv = windefs.S_OK
clsid_bytes = self.mem_read(rclsid, self.sizeof(windefs.GUID()))
clsid_str = com.convert_guid_bytes_to_str(clsid_bytes)
clsid_name = com.get_clsid(clsid_str)
if clsid_name:
argv[0] = clsid_name
riid_bytes = self.mem_read(riid, self.sizeof(windefs.GUID()))
riid_str = com.convert_guid_bytes_to_str(riid_bytes)
iid_name = com.get_iid(riid_str)
if iid_name:
argv[3] = iid_name
return rv
def CoCreateInstance(self, emu, argv, ctx={}):
"""
HRESULT CoCreateInstance(
REFCLSID rclsid,
LPUNKNOWN pUnkOuter,
DWORD dwClsContext,
REFIID riid,
LPVOID *ppv
);
"""
rclsid, pUnkOuter, dwClsContext, riid, ppv = argv
rv = windefs.S_OK
clsid_bytes = self.mem_read(rclsid, self.sizeof(windefs.GUID()))
clsid_str = com.convert_guid_bytes_to_str(clsid_bytes)
clsid_name = com.get_clsid(clsid_str)
if clsid_name:
argv[0] = clsid_name
riid_bytes = self.mem_read(riid, self.sizeof(windefs.GUID()))
riid_str = com.convert_guid_bytes_to_str(riid_bytes)
iid_name = com.get_iid(riid_str)
if iid_name:
argv[3] = iid_name
if ppv:
ci = emu.com.get_interface(emu, emu.get_ptr_size(),
iid_name.replace("IID_", ""))
pv = self.mem_alloc(emu.get_ptr_size(),
tag="emu.COM.pv_%s" % iid_name)
self.mem_write(
pv, ci.address.to_bytes(emu.get_ptr_size(), "little"))
self.mem_write(ppv,
pv.to_bytes(emu.get_ptr_size(), "little"))
else:
self.emu.logger.info("Unsupported COM IID %s", riid)
else:
self.emu.logger.info("Unsupported COM CLSID %s", clsid_str)
return rv
def UuidToStringA(self, emu, argv, ctx={}):
"""
RPC_STATUS UuidToStringA(
const UUID *Uuid,
RPC_CSTR *StringUuid
);
"""
uuidp, stringp = argv
if not uuidp or not stringp:
return 1
uuid_bytes = self.mem_read(uuidp, windefs.GUID().sizeof())
uuid_obj = uuid.UUID(bytes=uuid_bytes)
string = str(uuid_obj)
self.mem_write(stringp, string.encode("utf-8"))
return 0
def UuidCreate(self, emu, argv, ctx={}):
"""
RPC_STATUS UuidCreate(
UUID *Uuid
);
"""
uuidp, = argv
if not uuidp:
return 1
new_uuid = windefs.GUID()
new_uuid.Data1 = random.randint(0, 0xffffffff)
new_uuid.Data2 = random.randint(0, 0xffffffff) & 0xffff
new_uuid.Data3 = random.randint(0, 0xffffffff) & 0xffff
new_uuid.Data4 = random.randbytes(8)
self.mem_write(uuidp, new_uuid.get_bytes())
return 0
def StringFromCLSID(self, emu, argv, ctx={}):
"""
HRESULT StringFromCLSID(
REFCLSID rclsid,
LPOLESTR *lplpsz
);
"""
rclsid, lplpsz = argv
rv = windefs.S_OK
guid = self.mem_read(rclsid, self.sizeof(windefs.GUID()))
u = com.convert_guid_bytes_to_str(guid)
argv[1] = u
u = (u + '\x00').encode('utf-16le')
ptr = self.mem_alloc(len(u), tag='api.StringFromCLSID')
if lplpsz:
self.mem_write(lplpsz, ptr.to_bytes(emu.get_ptr_size(), 'little'))
return rv
