scapy python 2/3

1 files changed, 0 insertions, 542 deletions

diff --git a/scripts/external_libs/scapy-2.3.1/scapy/layers/l2.py b/scripts/external_libs/scapy-2.3.1/scapy/layers/l2.py
deleted file mode 100644
index 3f80ed7d..00000000
--- a/scripts/external_libs/scapy-2.3.1/scapy/layers/l2.py
+++ /dev/null
@@ -1,542 +0,0 @@
-## This file is part of Scapy
-## See http://www.secdev.org/projects/scapy for more informations
-## Copyright (C) Philippe Biondi <phil@secdev.org>
-## This program is published under a GPLv2 license
-
-"""
-Classes and functions for layer 2 protocols.
-"""
-
-import os,struct,time
-from scapy.base_classes import Net
-from scapy.config import conf
-from scapy.packet import *
-from scapy.ansmachine import *
-from scapy.plist import SndRcvList
-from scapy.fields import *
-from scapy.sendrecv import srp,srp1
-from scapy.arch import get_if_hwaddr
-
-
-
-
-#################
-## Tools       ##
-#################
-
-
-class Neighbor:
-    def __init__(self):
-        self.resolvers = {}
-
-    def register_l3(self, l2, l3, resolve_method):
-        self.resolvers[l2,l3]=resolve_method
-
-    def resolve(self, l2inst, l3inst):
-        k = l2inst.__class__,l3inst.__class__
-        if k in self.resolvers:
-            return self.resolvers[k](l2inst,l3inst)
-
-    def __repr__(self):
-        return "\n".join("%-15s -> %-15s" % (l2.__name__, l3.__name__) for l2,l3 in self.resolvers)
-
-conf.neighbor = Neighbor()
-
-conf.netcache.new_cache("arp_cache", 120) # cache entries expire after 120s
-
-
-@conf.commands.register
-def getmacbyip(ip, chainCC=0):
-    """Return MAC address corresponding to a given IP address"""
-    if isinstance(ip,Net):
-        ip = iter(ip).next()
-    ip = inet_ntoa(inet_aton(ip))
-    tmp = map(ord, inet_aton(ip))
-    if (tmp[0] & 0xf0) == 0xe0: # mcast @
-        return "01:00:5e:%.2x:%.2x:%.2x" % (tmp[1]&0x7f,tmp[2],tmp[3])
-    iff,a,gw = conf.route.route(ip)
-    if ( (iff == "lo") or (ip == conf.route.get_if_bcast(iff)) ):
-        return "ff:ff:ff:ff:ff:ff"
-    if gw != "0.0.0.0":
-        ip = gw
-
-    mac = conf.netcache.arp_cache.get(ip)
-    if mac:
-        return mac
-
-    res = srp1(Ether(dst=ETHER_BROADCAST)/ARP(op="who-has", pdst=ip),
-               type=ETH_P_ARP,
-               iface = iff,
-               timeout=2,
-               verbose=0,
-               chainCC=chainCC,
-               nofilter=1)
-    if res is not None:
-        mac = res.payload.hwsrc
-        conf.netcache.arp_cache[ip] = mac
-        return mac
-    return None
-
-
-
-### Fields
-
-class DestMACField(MACField):
-    def __init__(self, name):
-        MACField.__init__(self, name, None)
-    def i2h(self, pkt, x):
-        if x is None:
-            x = conf.neighbor.resolve(pkt,pkt.payload)
-            if x is None:
-                x = "ff:ff:ff:ff:ff:ff"
-                warning("Mac address to reach destination not found. Using broadcast.")
-        return MACField.i2h(self, pkt, x)
-    def i2m(self, pkt, x):
-        return MACField.i2m(self, pkt, self.i2h(pkt, x))
-        
-class SourceMACField(MACField):
-    def __init__(self, name):
-        MACField.__init__(self, name, None)
-    def i2h(self, pkt, x):
-        if x is None:
-            iff,a,gw = pkt.payload.route()
-            if iff:
-                try:
-                    x = get_if_hwaddr(iff)
-                except:
-                    pass
-            if x is None:
-                x = "00:00:00:00:00:00"
-        return MACField.i2h(self, pkt, x)
-    def i2m(self, pkt, x):
-        return MACField.i2m(self, pkt, self.i2h(pkt, x))
-        
-class ARPSourceMACField(MACField):
-    def __init__(self, name):
-        MACField.__init__(self, name, None)
-    def i2h(self, pkt, x):
-        if x is None:
-            iff,a,gw = pkt.route()
-            if iff:
-                try:
-                    x = get_if_hwaddr(iff)
-                except:
-                    pass
-            if x is None:
-                x = "00:00:00:00:00:00"
-        return MACField.i2h(self, pkt, x)
-    def i2m(self, pkt, x):
-        return MACField.i2m(self, pkt, self.i2h(pkt, x))
-
-
-
-### Layers
-
-
-class Ether(Packet):
-    name = "Ethernet"
-    fields_desc = [ MACField("dst","00:00:00:01:00:00"),
-                    MACField("src","00:00:00:02:00:00"), 
-                    XShortEnumField("type", 0x9000, ETHER_TYPES) ]
-    def hashret(self):
-        return struct.pack("H",self.type)+self.payload.hashret()
-    def answers(self, other):
-        if isinstance(other,Ether):
-            if self.type == other.type:
-                return self.payload.answers(other.payload)
-        return 0
-    def mysummary(self):
-        return self.sprintf("%src% > %dst% (%type%)")
-    @classmethod
-    def dispatch_hook(cls, _pkt=None, *args, **kargs):
-        if _pkt and len(_pkt) >= 14:
-            if struct.unpack("!H", _pkt[12:14])[0] <= 1500:
-                return Dot3
-        return cls
-
-
-class Dot3(Packet):
-    name = "802.3"
-    fields_desc = [ DestMACField("dst"),
-                    MACField("src", ETHER_ANY),
-                    LenField("len", None, "H") ]
-    def extract_padding(self,s):
-        l = self.len
-        return s[:l],s[l:]
-    def answers(self, other):
-        if isinstance(other,Dot3):
-            return self.payload.answers(other.payload)
-        return 0
-    def mysummary(self):
-        return "802.3 %s > %s" % (self.src, self.dst)
-    @classmethod
-    def dispatch_hook(cls, _pkt=None, *args, **kargs):
-        if _pkt and len(_pkt) >= 14:
-            if struct.unpack("!H", _pkt[12:14])[0] > 1500:
-                return Ether
-        return cls
-
-
-class LLC(Packet):
-    name = "LLC"
-    fields_desc = [ XByteField("dsap", 0x00),
-                    XByteField("ssap", 0x00),
-                    ByteField("ctrl", 0) ]
-
-conf.neighbor.register_l3(Ether, LLC, lambda l2,l3: conf.neighbor.resolve(l2,l3.payload))
-conf.neighbor.register_l3(Dot3, LLC, lambda l2,l3: conf.neighbor.resolve(l2,l3.payload))
-
-
-class CookedLinux(Packet):
-    name = "cooked linux"
-    fields_desc = [ ShortEnumField("pkttype",0, {0: "unicast",
-                                                 4:"sent-by-us"}), #XXX incomplete
-                    XShortField("lladdrtype",512),
-                    ShortField("lladdrlen",0),
-                    StrFixedLenField("src","",8),
-                    XShortEnumField("proto",0x800,ETHER_TYPES) ]
-                    
-                                   
-
-class SNAP(Packet):
-    name = "SNAP"
-    fields_desc = [ X3BytesField("OUI",0x000000),
-                    XShortEnumField("code", 0x000, ETHER_TYPES) ]
-
-conf.neighbor.register_l3(Dot3, SNAP, lambda l2,l3: conf.neighbor.resolve(l2,l3.payload))
-
-
-class Dot1Q(Packet):
-    name = "802.1Q"
-    aliastypes = [ Ether ]
-    fields_desc =  [ BitField("prio", 0, 3),
-                     BitField("id", 0, 1),
-                     BitField("vlan", 1, 12),
-                     XShortEnumField("type", 0x0000, ETHER_TYPES) ]
-    def answers(self, other):
-        if isinstance(other,Dot1Q):
-            if ( (self.type == other.type) and
-                 (self.vlan == other.vlan) ):
-                return self.payload.answers(other.payload)
-        else:
-            return self.payload.answers(other)
-        return 0
-    def default_payload_class(self, pay):
-        if self.type <= 1500:
-            return LLC
-        return conf.raw_layer
-    def extract_padding(self,s):
-        if self.type <= 1500:
-            return s[:self.type],s[self.type:]
-        return s,None
-    def mysummary(self):
-        if isinstance(self.underlayer, Ether):
-            return self.underlayer.sprintf("802.1q %Ether.src% > %Ether.dst% (%Dot1Q.type%) vlan %Dot1Q.vlan%")
-        else:
-            return self.sprintf("802.1q (%Dot1Q.type%) vlan %Dot1Q.vlan%")
-
-            
-conf.neighbor.register_l3(Ether, Dot1Q, lambda l2,l3: conf.neighbor.resolve(l2,l3.payload))
-
-class STP(Packet):
-    name = "Spanning Tree Protocol"
-    fields_desc = [ ShortField("proto", 0),
-                    ByteField("version", 0),
-                    ByteField("bpdutype", 0),
-                    ByteField("bpduflags", 0),
-                    ShortField("rootid", 0),
-                    MACField("rootmac", ETHER_ANY),
-                    IntField("pathcost", 0),
-                    ShortField("bridgeid", 0),
-                    MACField("bridgemac", ETHER_ANY),
-                    ShortField("portid", 0),
-                    BCDFloatField("age", 1),
-                    BCDFloatField("maxage", 20),
-                    BCDFloatField("hellotime", 2),
-                    BCDFloatField("fwddelay", 15) ]
-
-
-class EAPOL(Packet):
-    name = "EAPOL"
-    fields_desc = [ ByteField("version", 1),
-                    ByteEnumField("type", 0, ["EAP_PACKET", "START", "LOGOFF", "KEY", "ASF"]),
-                    LenField("len", None, "H") ]
-    
-    EAP_PACKET= 0
-    START = 1
-    LOGOFF = 2
-    KEY = 3
-    ASF = 4
-    def extract_padding(self, s):
-        l = self.len
-        return s[:l],s[l:]
-    def hashret(self):
-        return chr(self.type)+self.payload.hashret()
-    def answers(self, other):
-        if isinstance(other,EAPOL):
-            if ( (self.type == self.EAP_PACKET) and
-                 (other.type == self.EAP_PACKET) ):
-                return self.payload.answers(other.payload)
-        return 0
-    def mysummary(self):
-        return self.sprintf("EAPOL %EAPOL.type%")
-             
-
-class EAP(Packet):
-    name = "EAP"
-    fields_desc = [ ByteEnumField("code", 4, {1:"REQUEST",2:"RESPONSE",3:"SUCCESS",4:"FAILURE"}),
-                    ByteField("id", 0),
-                    ShortField("len",None),
-                    ConditionalField(ByteEnumField("type",0, {1:"ID",4:"MD5"}), lambda pkt:pkt.code not in [EAP.SUCCESS, EAP.FAILURE])
-
-                                     ]
-    
-    REQUEST = 1
-    RESPONSE = 2
-    SUCCESS = 3
-    FAILURE = 4
-    TYPE_ID = 1
-    TYPE_MD5 = 4
-    def answers(self, other):
-        if isinstance(other,EAP):
-            if self.code == self.REQUEST:
-                return 0
-            elif self.code == self.RESPONSE:
-                if ( (other.code == self.REQUEST) and
-                     (other.type == self.type) ):
-                    return 1
-            elif other.code == self.RESPONSE:
-                return 1
-        return 0
-    
-    def post_build(self, p, pay):
-        if self.len is None:
-            l = len(p)+len(pay)
-            p = p[:2]+chr((l>>8)&0xff)+chr(l&0xff)+p[4:]
-        return p+pay
-             
-
-class ARP(Packet):
-    name = "ARP"
-    fields_desc = [ XShortField("hwtype", 0x0001),
-                    XShortEnumField("ptype",  0x0800, ETHER_TYPES),
-                    ByteField("hwlen", 6),
-                    ByteField("plen", 4),
-                    ShortEnumField("op", 1, {"who-has":1, "is-at":2, "RARP-req":3, "RARP-rep":4, "Dyn-RARP-req":5, "Dyn-RAR-rep":6, "Dyn-RARP-err":7, "InARP-req":8, "InARP-rep":9}),
-                    ARPSourceMACField("hwsrc"),
-                    SourceIPField("psrc","pdst"),
-                    MACField("hwdst", ETHER_ANY),
-                    IPField("pdst", "0.0.0.0") ]
-    who_has = 1
-    is_at = 2
-    def answers(self, other):
-        if isinstance(other,ARP):
-            if ( (self.op == self.is_at) and
-                 (other.op == self.who_has) and
-                 (self.psrc == other.pdst) ):
-                return 1
-        return 0
-    def route(self):
-        dst = self.pdst
-        if isinstance(dst,Gen):
-            dst = iter(dst).next()
-        return conf.route.route(dst)
-    def extract_padding(self, s):
-        return "",s
-    def mysummary(self):
-        if self.op == self.is_at:
-            return self.sprintf("ARP is at %hwsrc% says %psrc%")
-        elif self.op == self.who_has:
-            return self.sprintf("ARP who has %pdst% says %psrc%")
-        else:
-            return self.sprintf("ARP %op% %psrc% > %pdst%")
-                 
-conf.neighbor.register_l3(Ether, ARP, lambda l2,l3: getmacbyip(l3.pdst))
-
-class GRErouting(Packet):
-    name = "GRE routing informations"
-    fields_desc = [ ShortField("address_family",0),
-                    ByteField("SRE_offset", 0),
-                    FieldLenField("SRE_len", None, "routing_info", "B"),
-                    StrLenField("routing_info", "", "SRE_len"),
-                    ]
-
-
-class GRE(Packet):
-    name = "GRE"
-    fields_desc = [ BitField("chksum_present",0,1),
-                    BitField("routing_present",0,1),
-                    BitField("key_present",0,1),
-                    BitField("seqnum_present",0,1),
-                    BitField("strict_route_source",0,1),
-                    BitField("recursion_control",0,3),
-                    BitField("flags",0,5),
-                    BitField("version",0,3),
-                    XShortEnumField("proto", 0x0000, ETHER_TYPES),
-                    ConditionalField(XShortField("chksum",None), lambda pkt:pkt.chksum_present==1 or pkt.routing_present==1),
-                    ConditionalField(XShortField("offset",None), lambda pkt:pkt.chksum_present==1 or pkt.routing_present==1),
-                    ConditionalField(XIntField("key",None), lambda pkt:pkt.key_present==1),
-                    ConditionalField(XIntField("seqence_number",None), lambda pkt:pkt.seqnum_present==1),
-                    ]
-    def post_build(self, p, pay):
-        p += pay
-        if self.chksum_present and self.chksum is None:
-            c = checksum(p)
-            p = p[:4]+chr((c>>8)&0xff)+chr(c&0xff)+p[6:]
-        return p
-
-
-
-
-bind_layers( Dot3,          LLC,           )
-bind_layers( Ether,         LLC,           type=122)
-bind_layers( Ether,         Dot1Q,         type=33024)
-bind_layers( Ether,         Ether,         type=1)
-bind_layers( Ether,         ARP,           type=2054)
-bind_layers( Ether,         EAPOL,         type=34958)
-bind_layers( Ether,         EAPOL,         dst='01:80:c2:00:00:03', type=34958)
-bind_layers( CookedLinux,   LLC,           proto=122)
-bind_layers( CookedLinux,   Dot1Q,         proto=33024)
-bind_layers( CookedLinux,   Ether,         proto=1)
-bind_layers( CookedLinux,   ARP,           proto=2054)
-bind_layers( CookedLinux,   EAPOL,         proto=34958)
-bind_layers( GRE,           LLC,           proto=122)
-bind_layers( GRE,           Dot1Q,         proto=33024)
-bind_layers( GRE,           Ether,         proto=1)
-bind_layers( GRE,           ARP,           proto=2054)
-bind_layers( GRE,           EAPOL,         proto=34958)
-bind_layers( GRE,           GRErouting,    { "routing_present" : 1 } )
-bind_layers( GRErouting,    conf.raw_layer,{ "address_family" : 0, "SRE_len" : 0 })
-bind_layers( GRErouting,    GRErouting,    { } )
-bind_layers( EAPOL,         EAP,           type=0)
-bind_layers( LLC,           STP,           dsap=66, ssap=66, ctrl=3)
-bind_layers( LLC,           SNAP,          dsap=170, ssap=170, ctrl=3)
-bind_layers( SNAP,          Dot1Q,         code=33024)
-bind_layers( SNAP,          Ether,         code=1)
-bind_layers( SNAP,          ARP,           code=2054)
-bind_layers( SNAP,          EAPOL,         code=34958)
-bind_layers( SNAP,          STP,           code=267)
-
-conf.l2types.register(ARPHDR_ETHER, Ether)
-conf.l2types.register_num2layer(ARPHDR_METRICOM, Ether)
-conf.l2types.register_num2layer(ARPHDR_LOOPBACK, Ether)
-conf.l2types.register_layer2num(ARPHDR_ETHER, Dot3)
-conf.l2types.register(144, CookedLinux)  # called LINUX_IRDA, similar to CookedLinux
-conf.l2types.register(113, CookedLinux)
-
-conf.l3types.register(ETH_P_ARP, ARP)
-
-
-
-
-### Technics
-
-
-
-@conf.commands.register
-def arpcachepoison(target, victim, interval=60):
-    """Poison target's cache with (your MAC,victim's IP) couple
-arpcachepoison(target, victim, [interval=60]) -> None
-"""
-    tmac = getmacbyip(target)
-    p = Ether(dst=tmac)/ARP(op="who-has", psrc=victim, pdst=target)
-    try:
-        while 1:
-            sendp(p, iface_hint=target)
-            if conf.verb > 1:
-                os.write(1,".")
-            time.sleep(interval)
-    except KeyboardInterrupt:
-        pass
-
-
-class ARPingResult(SndRcvList):
-    def __init__(self, res=None, name="ARPing", stats=None):
-        SndRcvList.__init__(self, res, name, stats)
-
-    def show(self):
-        for s,r in self.res:
-            print r.sprintf("%19s,Ether.src% %ARP.psrc%")
-
-
-
-@conf.commands.register
-def arping(net, timeout=2, cache=0, verbose=None, **kargs):
-    """Send ARP who-has requests to determine which hosts are up
-arping(net, [cache=0,] [iface=conf.iface,] [verbose=conf.verb]) -> None
-Set cache=True if you want arping to modify internal ARP-Cache"""
-    if verbose is None:
-        verbose = conf.verb
-    ans,unans = srp(Ether(dst="ff:ff:ff:ff:ff:ff")/ARP(pdst=net), verbose=verbose,
-                    filter="arp and arp[7] = 2", timeout=timeout, iface_hint=net, **kargs)
-    ans = ARPingResult(ans.res)
-
-    if cache and ans is not None:
-        for pair in ans:
-            conf.netcache.arp_cache[pair[1].psrc] = (pair[1].hwsrc, time.time())
-    if verbose:
-        ans.show()
-    return ans,unans
-
-@conf.commands.register
-def is_promisc(ip, fake_bcast="ff:ff:00:00:00:00",**kargs):
-    """Try to guess if target is in Promisc mode. The target is provided by its ip."""
-
-    responses = srp1(Ether(dst=fake_bcast) / ARP(op="who-has", pdst=ip),type=ETH_P_ARP, iface_hint=ip, timeout=1, verbose=0,**kargs)
-
-    return responses is not None
-
-@conf.commands.register
-def promiscping(net, timeout=2, fake_bcast="ff:ff:ff:ff:ff:fe", **kargs):
-    """Send ARP who-has requests to determine which hosts are in promiscuous mode
-    promiscping(net, iface=conf.iface)"""
-    ans,unans = srp(Ether(dst=fake_bcast)/ARP(pdst=net),
-                    filter="arp and arp[7] = 2", timeout=timeout, iface_hint=net, **kargs)
-    ans = ARPingResult(ans.res, name="PROMISCPing")
-
-    ans.display()
-    return ans,unans
-
-
-class ARP_am(AnsweringMachine):
-    function_name="farpd"
-    filter = "arp"
-    send_function = staticmethod(sendp)
-
-    def parse_options(self, IP_addr=None, iface=None, ARP_addr=None):
-        self.IP_addr=IP_addr
-        self.iface=iface
-        self.ARP_addr=ARP_addr
-
-    def is_request(self, req):
-        return (req.haslayer(ARP) and
-                req.getlayer(ARP).op == 1 and
-                (self.IP_addr == None or self.IP_addr == req.getlayer(ARP).pdst))
-    
-    def make_reply(self, req):
-        ether = req.getlayer(Ether)
-        arp = req.getlayer(ARP)
-        iff,a,gw = conf.route.route(arp.psrc)
-        if self.iface != None:
-            iff = iface
-        ARP_addr = self.ARP_addr
-        IP_addr = arp.pdst
-        resp = Ether(dst=ether.src,
-                     src=ARP_addr)/ARP(op="is-at",
-                                       hwsrc=ARP_addr,
-                                       psrc=IP_addr,
-                                       hwdst=arp.hwsrc,
-                                       pdst=arp.pdst)
-        return resp
-
-    def sniff(self):
-        sniff(iface=self.iface, **self.optsniff)
-
-@conf.commands.register
-def etherleak(target, **kargs):
-    """Exploit Etherleak flaw"""
-    return srpflood(Ether()/ARP(pdst=target), 
-                    prn=lambda (s,r): conf.padding_layer in r and hexstr(r[conf.padding_layer].load),
-                    filter="arp", **kargs)
-
-