mirror of
https://github.com/SickGear/SickGear.git
synced 2024-11-16 09:55:05 +00:00
128 lines
3.4 KiB
Python
128 lines
3.4 KiB
Python
from hachoir.field import FieldSet, Field, Bits
|
|
from hachoir.core.bits import str2hex
|
|
from hachoir.parser.network.ouid import REGISTERED_OUID
|
|
from hachoir.core.endian import BIG_ENDIAN
|
|
from socket import gethostbyaddr, herror as socket_host_error
|
|
|
|
|
|
def ip2name(addr):
|
|
if not ip2name.resolve:
|
|
return addr
|
|
try:
|
|
if addr in ip2name.cache:
|
|
return ip2name.cache[addr]
|
|
# FIXME: Workaround Python bug
|
|
# Need double try/except to catch the bug
|
|
try:
|
|
name = gethostbyaddr(addr)[0]
|
|
except KeyboardInterrupt:
|
|
raise
|
|
except (socket_host_error, ValueError):
|
|
name = addr
|
|
except (socket_host_error, KeyboardInterrupt, ValueError):
|
|
ip2name.resolve = False
|
|
name = addr
|
|
ip2name.cache[addr] = name
|
|
return name
|
|
|
|
|
|
ip2name.cache = {}
|
|
ip2name.resolve = True
|
|
|
|
|
|
class IPv4_Address(Field):
|
|
|
|
def __init__(self, parent, name, description=None):
|
|
Field.__init__(self, parent, name, 32, description)
|
|
|
|
def createValue(self):
|
|
value = self._parent.stream.readBytes(self.absolute_address, 4)
|
|
return ".".join("%u" % byte for byte in value)
|
|
|
|
def createDisplay(self):
|
|
return ip2name(self.value)
|
|
|
|
|
|
class IPv6_Address(Field):
|
|
|
|
def __init__(self, parent, name, description=None):
|
|
Field.__init__(self, parent, name, 128, description)
|
|
|
|
def createValue(self):
|
|
value = self._parent.stream.readBits(
|
|
self.absolute_address, 128, self.parent.endian)
|
|
parts = []
|
|
for index in range(8):
|
|
part = "%04x" % (value & 0xffff)
|
|
value >>= 16
|
|
parts.append(part)
|
|
return ':'.join(reversed(parts))
|
|
|
|
def createDisplay(self):
|
|
return self.value
|
|
|
|
|
|
class OrganizationallyUniqueIdentifier(Bits):
|
|
"""
|
|
IEEE 24-bit Organizationally unique identifier
|
|
"""
|
|
static_size = 24
|
|
|
|
def __init__(self, parent, name, description=None):
|
|
Bits.__init__(self, parent, name, 24, description=None)
|
|
|
|
def createDisplay(self, human=True):
|
|
if human:
|
|
key = self.value
|
|
if key in REGISTERED_OUID:
|
|
return REGISTERED_OUID[key]
|
|
else:
|
|
return self.raw_display
|
|
else:
|
|
return self.raw_display
|
|
|
|
def createRawDisplay(self):
|
|
value = self.value
|
|
a = value >> 16
|
|
b = (value >> 8) & 0xFF
|
|
c = value & 0xFF
|
|
return "%02X-%02X-%02X" % (a, b, c)
|
|
|
|
|
|
class NIC24(Bits):
|
|
static_size = 24
|
|
|
|
def __init__(self, parent, name, description=None):
|
|
Bits.__init__(self, parent, name, 24, description=None)
|
|
|
|
def createDisplay(self):
|
|
value = self.value
|
|
a = value >> 16
|
|
b = (value >> 8) & 0xFF
|
|
c = value & 0xFF
|
|
return "%02x:%02x:%02x" % (a, b, c)
|
|
|
|
def createRawDisplay(self):
|
|
return "0x%06X" % self.value
|
|
|
|
|
|
class MAC48_Address(FieldSet):
|
|
"""
|
|
IEEE 802 48-bit MAC address
|
|
"""
|
|
static_size = 48
|
|
endian = BIG_ENDIAN
|
|
|
|
def createFields(self):
|
|
yield OrganizationallyUniqueIdentifier(self, "organization")
|
|
yield NIC24(self, "nic")
|
|
|
|
def hasValue(self):
|
|
return True
|
|
|
|
def createValue(self):
|
|
bytes = self.stream.readBytes(self.absolute_address, 6)
|
|
return str2hex(bytes, format="%02x:")[:-1]
|
|
|
|
def createDisplay(self):
|
|
return "%s [%s]" % (self["organization"].display, self["nic"].display)
|