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-rw-r--r--scripts/external_libs/dpkt-1.8.6.2/dpkt/icmp.py127
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diff --git a/scripts/external_libs/dpkt-1.8.6.2/dpkt/icmp.py b/scripts/external_libs/dpkt-1.8.6.2/dpkt/icmp.py
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+++ b/scripts/external_libs/dpkt-1.8.6.2/dpkt/icmp.py
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+# $Id: icmp.py 45 2007-08-03 00:05:22Z jon.oberheide $
+# -*- coding: utf-8 -*-
+"""Internet Control Message Protocol."""
+
+import dpkt
+import ip
+
+# Types (icmp_type) and codes (icmp_code) -
+# http://www.iana.org/assignments/icmp-parameters
+
+ICMP_CODE_NONE = 0 # for types without codes
+ICMP_ECHOREPLY = 0 # echo reply
+ICMP_UNREACH = 3 # dest unreachable, codes:
+ICMP_UNREACH_NET = 0 # bad net
+ICMP_UNREACH_HOST = 1 # bad host
+ICMP_UNREACH_PROTO = 2 # bad protocol
+ICMP_UNREACH_PORT = 3 # bad port
+ICMP_UNREACH_NEEDFRAG = 4 # IP_DF caused drop
+ICMP_UNREACH_SRCFAIL = 5 # src route failed
+ICMP_UNREACH_NET_UNKNOWN = 6 # unknown net
+ICMP_UNREACH_HOST_UNKNOWN = 7 # unknown host
+ICMP_UNREACH_ISOLATED = 8 # src host isolated
+ICMP_UNREACH_NET_PROHIB = 9 # for crypto devs
+ICMP_UNREACH_HOST_PROHIB = 10 # ditto
+ICMP_UNREACH_TOSNET = 11 # bad tos for net
+ICMP_UNREACH_TOSHOST = 12 # bad tos for host
+ICMP_UNREACH_FILTER_PROHIB = 13 # prohibited access
+ICMP_UNREACH_HOST_PRECEDENCE = 14 # precedence error
+ICMP_UNREACH_PRECEDENCE_CUTOFF = 15 # precedence cutoff
+ICMP_SRCQUENCH = 4 # packet lost, slow down
+ICMP_REDIRECT = 5 # shorter route, codes:
+ICMP_REDIRECT_NET = 0 # for network
+ICMP_REDIRECT_HOST = 1 # for host
+ICMP_REDIRECT_TOSNET = 2 # for tos and net
+ICMP_REDIRECT_TOSHOST = 3 # for tos and host
+ICMP_ALTHOSTADDR = 6 # alternate host address
+ICMP_ECHO = 8 # echo service
+ICMP_RTRADVERT = 9 # router advertise, codes:
+ICMP_RTRADVERT_NORMAL = 0 # normal
+ICMP_RTRADVERT_NOROUTE_COMMON = 16 # selective routing
+ICMP_RTRSOLICIT = 10 # router solicitation
+ICMP_TIMEXCEED = 11 # time exceeded, code:
+ICMP_TIMEXCEED_INTRANS = 0 # ttl==0 in transit
+ICMP_TIMEXCEED_REASS = 1 # ttl==0 in reass
+ICMP_PARAMPROB = 12 # ip header bad
+ICMP_PARAMPROB_ERRATPTR = 0 # req. opt. absent
+ICMP_PARAMPROB_OPTABSENT = 1 # req. opt. absent
+ICMP_PARAMPROB_LENGTH = 2 # bad length
+ICMP_TSTAMP = 13 # timestamp request
+ICMP_TSTAMPREPLY = 14 # timestamp reply
+ICMP_INFO = 15 # information request
+ICMP_INFOREPLY = 16 # information reply
+ICMP_MASK = 17 # address mask request
+ICMP_MASKREPLY = 18 # address mask reply
+ICMP_TRACEROUTE = 30 # traceroute
+ICMP_DATACONVERR = 31 # data conversion error
+ICMP_MOBILE_REDIRECT = 32 # mobile host redirect
+ICMP_IP6_WHEREAREYOU = 33 # IPv6 where-are-you
+ICMP_IP6_IAMHERE = 34 # IPv6 i-am-here
+ICMP_MOBILE_REG = 35 # mobile registration req
+ICMP_MOBILE_REGREPLY = 36 # mobile registration reply
+ICMP_DNS = 37 # domain name request
+ICMP_DNSREPLY = 38 # domain name reply
+ICMP_SKIP = 39 # SKIP
+ICMP_PHOTURIS = 40 # Photuris
+ICMP_PHOTURIS_UNKNOWN_INDEX = 0 # unknown sec index
+ICMP_PHOTURIS_AUTH_FAILED = 1 # auth failed
+ICMP_PHOTURIS_DECOMPRESS_FAILED = 2 # decompress failed
+ICMP_PHOTURIS_DECRYPT_FAILED = 3 # decrypt failed
+ICMP_PHOTURIS_NEED_AUTHN = 4 # no authentication
+ICMP_PHOTURIS_NEED_AUTHZ = 5 # no authorization
+ICMP_TYPE_MAX = 40
+
+
+class ICMP(dpkt.Packet):
+ __hdr__ = (
+ ('type', 'B', 8),
+ ('code', 'B', 0),
+ ('sum', 'H', 0)
+ )
+
+ class Echo(dpkt.Packet):
+ __hdr__ = (('id', 'H', 0), ('seq', 'H', 0))
+
+ class Quote(dpkt.Packet):
+ __hdr__ = (('pad', 'I', 0),)
+
+ def unpack(self, buf):
+ dpkt.Packet.unpack(self, buf)
+ self.data = self.ip = ip.IP(self.data)
+
+ class Unreach(Quote):
+ __hdr__ = (('pad', 'H', 0), ('mtu', 'H', 0))
+
+ class Quench(Quote): pass
+
+ class Redirect(Quote):
+ __hdr__ = (('gw', 'I', 0),)
+
+ class ParamProbe(Quote):
+ __hdr__ = (('ptr', 'B', 0), ('pad1', 'B', 0), ('pad2', 'H', 0))
+
+ class TimeExceed(Quote): pass
+
+ _typesw = {0: Echo, 3: Unreach, 4: Quench, 5: Redirect, 8: Echo, 11: TimeExceed}
+
+ def unpack(self, buf):
+ dpkt.Packet.unpack(self, buf)
+ try:
+ self.data = self._typesw[self.type](self.data)
+ setattr(self, self.data.__class__.__name__.lower(), self.data)
+ except (KeyError, dpkt.UnpackError):
+ pass
+
+ def __str__(self):
+ if not self.sum:
+ self.sum = dpkt.in_cksum(dpkt.Packet.__str__(self))
+ return dpkt.Packet.__str__(self)
+
+
+def test_icmp():
+ s = '\x03\x0a\x6b\x19\x00\x00\x00\x00\x45\x00\x00\x28\x94\x1f\x00\x00\xe3\x06\x99\xb4\x23\x2b\x24\x00\xde\x8e\x84\x42\xab\xd1\x00\x50\x00\x35\xe1\x29\x20\xd9\x00\x00\x00\x22\x9b\xf0\xe2\x04\x65\x6b'
+ assert (str(ICMP(s)) == s)
+
+if __name__ == '__main__':
+ test_icmp()
+ print 'Tests Successful...'