def _parse_accsecrd(self):
secmec = sectkn = None
chained = True
while chained:
dds_type, chained, number, code_point, obj = ddm.read_dds(
self.sock)
if code_point == cp.ACCSECRD:
while len(obj):
ln = int.from_bytes(obj[:2], byteorder='big')
sub_cp = int.from_bytes(obj[2:4], byteorder='big')
v = obj[4:ln]
obj = obj[ln:]
if sub_cp == cp.SECMEC:
secmec = int.from_bytes(v[:2], byteorder='big')
elif sub_cp == cp.SECTKN:
sectkn = v
return secmec, sectkn
def _parse_response(self):
results = collections.deque()
params_description = None
description = None
err = qrydsc = None
chained = True
err_msg = None
while chained:
dds_type, chained, number, code_point, obj = ddm.read_dds(
self.sock)
if code_point == cp.SQLERRRM:
err_msg = ddm.parse_reply(obj).get(cp.SRVDGN).decode('utf-8')
elif code_point == cp.SQLCARD:
if err is None:
err, _ = ddm.parse_sqlcard(obj, self.encoding, self.endian)
elif code_point == cp.SQLDARD:
if obj[0] == 0xFF:
err, params_description = ddm.parse_sqldard(
obj, 'utf-8', self.endian, self.db_type)
else:
err, description = ddm.parse_sqldard(
obj, 'utf-8', self.endian, self.db_type)
elif code_point == cp.QRYDSC:
ln = obj[0]
b = obj[1:ln]
assert b[:2] == b'\x76\xd0'
b = b[2:]
# [(DRDA_TYPE_xxxx, size_binary), ...]
qrydsc = [(c[0], c[1:])
for c in [b[i:i + 3] for i in range(0, len(b), 3)]]
elif code_point == cp.QRYDTA:
b = obj
while len(b):
if (b[0], b[1]) != (0xff, 0x00):
break
b = b[2:]
r = []
for t, ps in qrydsc:
v, b = utils.read_field(t, ps, b, self.endian)
r.append(v)
results.append(tuple(r))
if err:
raise err
return results, description, params_description