diff options
Diffstat (limited to 'scripts/external_libs/dpkt-1.8.6/dpkt/sctp.py')
-rw-r--r-- | scripts/external_libs/dpkt-1.8.6/dpkt/sctp.py | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/scripts/external_libs/dpkt-1.8.6/dpkt/sctp.py b/scripts/external_libs/dpkt-1.8.6/dpkt/sctp.py deleted file mode 100644 index 31b13e69..00000000 --- a/scripts/external_libs/dpkt-1.8.6/dpkt/sctp.py +++ /dev/null @@ -1,90 +0,0 @@ -# $Id: sctp.py 23 2006-11-08 15:45:33Z dugsong $ - -"""Stream Control Transmission Protocol.""" - -import dpkt, crc32c - -# Stream Control Transmission Protocol -# http://tools.ietf.org/html/rfc2960 - -# Chunk Types -DATA = 0 -INIT = 1 -INIT_ACK = 2 -SACK = 3 -HEARTBEAT = 4 -HEARTBEAT_ACK = 5 -ABORT = 6 -SHUTDOWN = 7 -SHUTDOWN_ACK = 8 -ERROR = 9 -COOKIE_ECHO = 10 -COOKIE_ACK = 11 -ECNE = 12 -CWR = 13 -SHUTDOWN_COMPLETE = 14 - -class SCTP(dpkt.Packet): - __hdr__ = ( - ('sport', 'H', 0), - ('dport', 'H', 0), - ('vtag', 'I', 0), - ('sum', 'I', 0) - ) - - def unpack(self, buf): - dpkt.Packet.unpack(self, buf) - l = [] - while self.data: - chunk = Chunk(self.data) - l.append(chunk) - self.data = self.data[len(chunk):] - self.data = self.chunks = l - - def __len__(self): - return self.__hdr_len__ + \ - sum(map(len, self.data)) - - def __str__(self): - l = [ str(x) for x in self.data ] - if self.sum == 0: - s = crc32c.add(0xffffffffL, self.pack_hdr()) - for x in l: - s = crc32c.add(s, x) - self.sum = crc32c.done(s) - return self.pack_hdr() + ''.join(l) - -class Chunk(dpkt.Packet): - __hdr__ = ( - ('type', 'B', INIT), - ('flags', 'B', 0), - ('len', 'H', 0) - ) - - def unpack(self, buf): - dpkt.Packet.unpack(self, buf) - self.data = self.data[:self.len - self.__hdr_len__] - -if __name__ == '__main__': - import unittest - - class SCTPTestCase(unittest.TestCase): - def testPack(self): - sctp = SCTP(self.s) - self.failUnless(self.s == str(sctp)) - sctp.sum = 0 - self.failUnless(self.s == str(sctp)) - - def testUnpack(self): - sctp = SCTP(self.s) - self.failUnless(sctp.sport == 32836) - self.failUnless(sctp.dport == 80) - self.failUnless(len(sctp.chunks) == 1) - self.failUnless(len(sctp) == 72) - - chunk = sctp.chunks[0] - self.failUnless(chunk.type == INIT) - self.failUnless(chunk.len == 60) - - s = '\x80\x44\x00\x50\x00\x00\x00\x00\x30\xba\xef\x54\x01\x00\x00\x3c\x3b\xb9\x9c\x46\x00\x01\xa0\x00\x00\x0a\xff\xff\x2b\x2d\x7e\xb2\x00\x05\x00\x08\x9b\xe6\x18\x9b\x00\x05\x00\x08\x9b\xe6\x18\x9c\x00\x0c\x00\x06\x00\x05\x00\x00\x80\x00\x00\x04\xc0\x00\x00\x04\xc0\x06\x00\x08\x00\x00\x00\x00' - unittest.main() |