diff options
Diffstat (limited to 'scripts/external_libs/scapy-2.3.1/python2/scapy/contrib/chdlc.py')
| -rw-r--r-- | scripts/external_libs/scapy-2.3.1/python2/scapy/contrib/chdlc.py | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/scripts/external_libs/scapy-2.3.1/python2/scapy/contrib/chdlc.py b/scripts/external_libs/scapy-2.3.1/python2/scapy/contrib/chdlc.py new file mode 100644 index 00000000..6e483762 --- /dev/null +++ b/scripts/external_libs/scapy-2.3.1/python2/scapy/contrib/chdlc.py @@ -0,0 +1,42 @@ +# http://trac.secdev.org/scapy/ticket/88 + +# scapy.contrib.description = Cisco HDLC and SLARP +# scapy.contrib.status = loads + +# This layer is based on information from http://www.nethelp.no/net/cisco-hdlc.txt + +from scapy.packet import * +from scapy.fields import * +from scapy.layers.l2 import * +from scapy.layers.inet import * +from scapy.layers.inet6 import * + +class CHDLC(Packet): + name = "Cisco HDLC" + fields_desc = [ ByteEnumField("address", 0x0f, {0x0f : "unicast", 0x8f :"multicast"}), + ByteField("control", 0), + XShortField("proto", 0x0800)] + +class SLARP(Packet): + name = "SLARP" + fields_desc = [ IntEnumField("type", 2, {0 : "request", 1 : "reply", 2 :"line keepalive"}), + ConditionalField(IPField("address", "192.168.0.1"), + lambda pkt : pkt.type == 0 or pkt.type == 1), + ConditionalField(IPField("mask", "255.255.255.0"), + lambda pkt : pkt.type == 0 or pkt.type == 1), + ConditionalField(XShortField("unused", 0), + lambda pkt : pkt.type == 0 or pkt.type == 1), + ConditionalField(IntField("mysequence", 0), + lambda pkt : pkt.type == 2), + ConditionalField(IntField("yoursequence", 0), + lambda pkt : pkt.type == 2), + ConditionalField(XShortField("reliability", 0xffff), + lambda pkt : pkt.type == 2)] + +bind_layers( CHDLC, Dot3, proto=0x6558) +bind_layers( CHDLC, IP, proto=0x800) +bind_layers( CHDLC, IPv6, proto=0x86dd) +bind_layers( CHDLC, SLARP, proto=0x8035) +bind_layers( CHDLC, STP, proto=0x4242) + +conf.l2types.register(104, CHDLC) |