def test_fast_decode2(self):
for _ in range(0, X):
for buf in data_ira:
rcp_message_id = rcp_tlv_def.RCP_MSG_TYPE_IRA
rcp_seq = RCPSequence(gcp_msg_def.ManagementREQ,
rcp_message_id, 0,
rcp_tlv_def.RCP_OPERATION_TYPE_NONE)
rcp_seq.buffer = buf
parent_fmt = rcp_tlv_def.RCP_SEQ_RCP_MSG_TLV_SET_MAPPING[
rcp_message_id]
parent_gpb = config()
ret = rcp_seq._fast_decode2(parent_fmt, parent_gpb, 0,
len(buf), 0)
self.assertEqual(ret, gcp_object.GCPObject.DECODE_DONE)
for buf in data_rex:
rcp_message_id = rcp_tlv_def.RCP_MSG_TYPE_REX
rcp_seq = RCPSequence(gcp_msg_def.ManagementREQ,
rcp_message_id, 0,
rcp_tlv_def.RCP_OPERATION_TYPE_NONE)
rcp_seq.buffer = buf
parent_fmt = rcp_tlv_def.RCP_SEQ_RCP_MSG_TLV_SET_MAPPING[
rcp_message_id]
parent_gpb = config()
ret = rcp_seq._fast_decode2(parent_fmt, parent_gpb, 0,
len(buf), 0)
self.assertEqual(ret, gcp_object.GCPObject.DECODE_DONE)
def test_value_constraint(self):
# Same like previous test, but we set TLV with limited range of values
seq = RCPSequence(gcp_msg_def.NotifyREQ, rcp_tlv_def.RCP_MSG_TYPE_NTF,
1, rcp_tlv_def.RCP_OPERATION_TYPE_WRITE)
# Bool constraint
with self.assertRaises(ValueError):
seq.RpdCapabilities.SupportsUdpEncap.set_val(2)
sub_tlv = \
seq.RpdCapabilities.LcceChannelReachability.add_new_repeated()
# Range constraint less than <1,10>
with self.assertRaises(ValueError):
sub_tlv.ChannelType.set_val(0)
# Range constraint greater than <1,10>
with self.assertRaises(ValueError):
sub_tlv.ChannelType.set_val(15)
buf = seq.encode()
self.assertEqual(len(buf), RCP_SEQUENCE_MIN_LEN)
self.assertIsNotNone(buf)
seq.offset = 0
seq.buf_data_len = 0
seq.buffer = None
# Range constraint <1,10> - valid value
sub_tlv.ChannelType.set_val(10)
buf = seq.encode()
dec_seq = RCPSequence(gcp_msg_def.NotifyREQ,
rcp_tlv_def.RCP_MSG_TYPE_NTF, 2,
rcp_tlv_def.RCP_OPERATION_TYPE_WRITE)
self.assertEqual(dec_seq.decode(buf, offset=0, buf_data_len=len(buf)),
dec_seq.DECODE_DONE)
self.assertTrue(dec_seq._ut_compare(seq))
def test_fuzzing_fast_decode2(self):
if ENABLE_FUZZING <= 0:
return
class Logger:
def error(self, *args):
pass
def warn(self, *args):
pass
for n in [0, 0xFF] + range(
1, 0xFE): # run edge cases, then intermediate values
for ref_data in data_ira + data_rex + data_ntf:
l = len(ref_data)
for i in reversed(range(0, l)):
buf = ref_data[:] # copy data
buf[i] = n # mutate
# Decode
rcp_message_id = rcp_tlv_def.RCP_MSG_TYPE_REX
rcp_seq = RCPSequence(gcp_msg_def.ManagementREQ,
rcp_message_id, 0,
rcp_tlv_def.RCP_OPERATION_TYPE_NONE)
rcp_seq.buffer = buf
rcp_seq.logger = Logger()
parent_fmt = rcp_tlv_def.RCP_SEQ_RCP_MSG_TLV_SET_MAPPING[
rcp_message_id]
parent_gpb = config()
#print(n, i)
ret = rcp_seq._fast_decode2(parent_fmt, parent_gpb, 0,
len(buf), 0)
#if ret is gcp_object.GCPObject.DECODE_FAILED:
# print(n, i)
self.assertTrue(ret in [
gcp_object.GCPObject.DECODE_DONE,
gcp_object.GCPObject.DECODE_FRAGMENTED
])
