86 lines
2.2 KiB
Python
Executable file
86 lines
2.2 KiB
Python
Executable file
# This file is part of Scapy
|
|
# See http://www.secdev.org/projects/scapy for more information
|
|
# Copyright (C) Lucas Preston <lucas.preston@infinite.io>
|
|
# This program is published under a GPLv2 license
|
|
|
|
# scapy.contrib.description = Portmapper v2
|
|
# scapy.contrib.status = loads
|
|
|
|
from scapy.packet import Packet, bind_layers
|
|
from scapy.fields import IntField, PacketListField
|
|
from scapy.contrib.oncrpc import RPC, RPC_Call
|
|
|
|
|
|
class GETPORT_Call(Packet):
|
|
name = 'GETPORT Call'
|
|
fields_desc = [
|
|
IntField('prog', 0),
|
|
IntField('vers', 0),
|
|
IntField('prot', 0),
|
|
IntField('port', 0)
|
|
]
|
|
|
|
|
|
class GETPORT_Reply(Packet):
|
|
name = 'GETPORT Reply'
|
|
fields_desc = [
|
|
IntField('port', 0)
|
|
]
|
|
|
|
|
|
bind_layers(RPC, GETPORT_Call, mtype=0)
|
|
bind_layers(RPC, GETPORT_Reply, mtype=1)
|
|
bind_layers(
|
|
RPC_Call, GETPORT_Call, program=100000, pversion=2, procedure=3
|
|
)
|
|
|
|
|
|
class NULL_Call(Packet):
|
|
name = 'PORTMAP NULL Call'
|
|
fields_desc = []
|
|
|
|
|
|
class NULL_Reply(Packet):
|
|
name = 'PORTMAP NULL Reply'
|
|
fields_desc = []
|
|
|
|
|
|
bind_layers(RPC, NULL_Call, mtype=0)
|
|
bind_layers(RPC, NULL_Reply, mtype=1)
|
|
bind_layers(RPC_Call, NULL_Call, program=100000, pversion=2, procedure=0)
|
|
|
|
|
|
class Map_Entry(Packet):
|
|
name = 'PORTMAP Map Entry'
|
|
fields_desc = [
|
|
IntField('prog', 0),
|
|
IntField('vers', 0),
|
|
IntField('prot', 0),
|
|
IntField('port', 0),
|
|
IntField('value_follows', 0)
|
|
]
|
|
|
|
def extract_padding(self, s):
|
|
return '', s
|
|
|
|
|
|
class DUMP_Call(Packet):
|
|
name = 'PORTMAP DUMP Call'
|
|
fields_desc = []
|
|
|
|
|
|
class DUMP_Reply(Packet):
|
|
name = 'PORTMAP DUMP Reply'
|
|
fields_desc = [
|
|
IntField('value_follows', 0),
|
|
PacketListField('mappings', [], cls=Map_Entry,
|
|
next_cls_cb=lambda pkt, lst, cur, remain:
|
|
Map_Entry if pkt.value_follows == 1 and
|
|
(len(lst) == 0 or cur.value_follows == 1) and
|
|
len(remain) > 4 else None)
|
|
]
|
|
|
|
|
|
bind_layers(RPC, DUMP_Call, mtype=0)
|
|
bind_layers(RPC, DUMP_Reply, mtype=1)
|
|
bind_layers(RPC_Call, DUMP_Call, program=100000, pversion=2, procedure=4)
|