def open_file(cls, tree, file):
file = cls.normalize_filename(file)
# ensure file is created, get maximal access, and set everybody read access
max_req = SMB2CreateContextRequest()
max_req[
"buffer_name"] = CreateContextName.SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST
max_req["buffer_data"] = SMB2CreateQueryMaximalAccessRequest()
# create security buffer that sets the ACL for everyone to have read access
everyone_sid = SIDPacket()
everyone_sid.from_string("S-1-1-0")
ace = AccessAllowedAce()
ace["mask"] = AccessMask.GENERIC_ALL
ace["sid"] = everyone_sid
acl = AclPacket()
acl["aces"] = [ace]
sec_desc = SMB2CreateSDBuffer()
sec_desc["control"].set_flag(SDControl.SELF_RELATIVE)
sec_desc.set_dacl(acl)
sd_buffer = SMB2CreateContextRequest()
sd_buffer["buffer_name"] = CreateContextName.SMB2_CREATE_SD_BUFFER
sd_buffer["buffer_data"] = sec_desc
create_contexts = [max_req, sd_buffer]
file_open = Open(tree, file)
open_info = file_open.create(
ImpersonationLevel.Impersonation,
FilePipePrinterAccessMask.GENERIC_READ
| FilePipePrinterAccessMask.GENERIC_WRITE,
FileAttributes.FILE_ATTRIBUTE_NORMAL,
ShareAccess.FILE_SHARE_READ | ShareAccess.FILE_SHARE_WRITE,
CreateDisposition.FILE_OVERWRITE_IF,
CreateOptions.FILE_NON_DIRECTORY_FILE,
)
return file_open
def test_create_message(self):
message = SMB2CreateQueryMaximalAccessRequest()
message['timestamp'] = datetime.utcfromtimestamp(0)
expected = b"\x00\x80\x3e\xd5\xde\xb1\x9d\x01"
actual = message.pack()
assert len(message) == 8
assert actual == expected
def test_parse_message(self):
actual = SMB2CreateQueryMaximalAccessRequest()
data = b"\x00\x80\x3e\xd5\xde\xb1\x9d\x01"
data = actual.unpack(data)
assert len(actual) == 8
assert data == b""
assert actual['timestamp'].get_value() == datetime.utcfromtimestamp(0)
file_name = "file-test.txt"
connection = Connection(uuid.uuid4(), server, port)
connection.connect()
try:
session = Session(connection, username, password)
session.connect()
tree = TreeConnect(session, share)
tree.connect()
# ensure file is created, get maximal access, and set everybody read access
max_req = SMB2CreateContextRequest()
max_req['buffer_name'] = \
CreateContextName.SMB2_CREATE_QUERY_MAXIMAL_ACCESS_REQUEST
max_req['buffer_data'] = SMB2CreateQueryMaximalAccessRequest()
# create security buffer that sets the ACL for everyone to have read access
everyone_sid = SIDPacket()
everyone_sid.from_string("S-1-1-0")
ace = AccessAllowedAce()
ace['mask'] = AccessMask.GENERIC_ALL
ace['sid'] = everyone_sid
acl = AclPacket()
acl['aces'] = [ace]
sec_desc = SMB2CreateSDBuffer()
sec_desc['control'].set_flag(SDControl.SELF_RELATIVE)
sec_desc.set_dacl(acl)
