def _validate_pattern(self, forced_pattern, value, field):
patterns = forced_pattern[1:-1].split('|')
for pattern in patterns:
if self._is_match(pattern, value, field._parent):
return []
return ["Value of field '%s' does not match pattern '%s!=%s'" %
(field._get_recursive_name(), to_0xhex(value), forced_pattern)]
def _validate_pattern(self, forced_pattern, value, field):
if self._validate_or(forced_pattern, value, field):
return []
if self._validate_masked(forced_pattern, value):
return []
return ["Value of field '%s' does not match pattern '%s!=%s'" %
(field._get_recursive_name(), to_0xhex(value), forced_pattern)]
def _validate_pattern(self, forced_pattern, value, field):
if self._validate_or(forced_pattern, value, field):
return []
if self._validate_masked(forced_pattern, value):
return []
return [
"Value of field '%s' does not match pattern '%s!=%s'" %
(field._get_recursive_name(), to_0xhex(value), forced_pattern)
]
def convert_to_ip(value):
try:
return to_0xhex(
struct.pack('BBBB', *(int(number) for number in value.split("."))))
except:
raise Exception("Malformed IP: %s" % value)
def _is_match(self, forced_value, value, message):
forced_binary_val, _ = self._encode_value(
forced_value, message) # TODO: Should pass msg
return int(to_0xhex(forced_binary_val), 16) == int(to_0xhex(value), 16)
def _default_presentation_format(self, value):
return to_0xhex(value)
def _apply_mask_to_values(self, forced_pattern, value):
val = forced_pattern[1:-1].split('&')[0].strip()
mask = forced_pattern[1:-1].split('&')[1].strip()
return to_int(val) & to_int(mask), to_int(
to_0xhex(value)) & to_int(mask)
def test_to_0xhex(self):
self.assertEquals(to_0xhex("\x00"), "0x00")
self.assertEquals(to_0xhex("\xca\xfe\xba\xbe\xf0\x0d\xd0\x0d\xde\xad\xbe\xef"), "0xcafebabef00dd00ddeadbeef")
def _is_match(self, forced_value, value, message):
forced_binary_val, _ = self._encode_value(forced_value, message) # TODO: Should pass msg
return int(to_0xhex(forced_binary_val), 16) == int(to_0xhex(value), 16)
def _default_presentation_format(self, value):
return to_0xhex(value)
def _apply_mask_to_values(self, forced_pattern, value):
val = forced_pattern[1:-1].split('&')[0].strip()
mask = forced_pattern[1:-1].split('&')[1].strip()
return to_int(val) & to_int(mask), to_int(to_0xhex(value)) & to_int(mask)
def test_to_0xhex(self):
self.assertEquals(to_0xhex('\x00'), '0x00')
self.assertEquals(
to_0xhex('\xca\xfe\xba\xbe\xf0\x0d\xd0\x0d\xde\xad\xbe\xef'),
'0xcafebabef00dd00ddeadbeef')
