h? 0dZddlZddlZddlmZddlmZmZmZm Z m Z m Z m Z m Z mZmZmZmZmZmZmZmZddlmZmZmZddlmZddlmZddlmZdd l m!Z!m"Z"dd l#m$Z$m%Z%dd l&m'Z'm(Z(dd l)m*Z*m+Z+Gd deeZ,GddeeZ-GddeZ.Gdde.Z/Gdde.Z0Gdde.Z1GddeZ2Gdde.Z3Gdde.Z4gdZ5Gd d!e.Z6Gd"d#e.Z7d$d%d&d'd(d)d*d+d,d-d.d/ Z8d0d1gZ9Gd2d3e.Z:Gd4d5e.Z;Gd6d7e.Zd:d;dd?d@dAZ?gdBZ@GdCd%eZAeeeAdDEeeeAdDFdS)Ga EIGRP Scapy Extension ~~~~~~~~~~~~~~~~~~~~~ :version: 2009-08-13 :e-mail: lobo@c3a.de / jochen.bartl@gmail.com :TODO - Replace TLV code with a more generic solution * http://trac.secdev.org/scapy/ticket/90 - Write function for calculating authentication data :Thanks: - TLV code derived from the CDP implementation of scapy. (Thanks to Nicolas Bareil and Arnaud Ebalard) http://trac.secdev.org/scapy/ticket/18 - IOS / EIGRP Version Representation FIX by Dirk Loss N)Packet)StrFieldIPField XShortField FieldLenField StrLenFieldIntField ByteEnumField ByteFieldConditionalField FlagsFieldIP6FieldPacketListFieldShortEnumField ShortFieldStrFixedLenFieldThreeBytesField)IPchecksum bind_layers)IPv6)chb)conf) inet_aton inet_ntoa) inet_ntop inet_pton)warningScapy_Exception) RandShort RandStringcJeZdZdZdgZd dZdZdZdZdZ d Z d Z d Z dS) EigrpIPFieldz This is a special field type for handling ip addresses of destination networks in internal and external route updates. EIGRP removes zeros from the host portion of the ip address if the netmask is 8, 16 or 24 bits. length_fromNc\tj|||||_| |fd|_dSdS)Nc|SNpktlengths W/mounts/lovelace/software/anaconda3/lib/python3.11/site-packages/scapy/contrib/eigrp.pyz'EigrpIPField.__init__..<&r__init__r$selfnamedefaultr+r$s r,r1zEigrpIPField.__init__8D$g...&  28@@@D     r/c.tj|||Sr')rh2ir3r*xs r,r8zEigrpIPField.h2i>s{4a(((r/ct|}||}|dkr |ddS|dkr |ddS|dkr |ddS|S)N)rr$r3r*r:tmp_lens r,i2mzEigrpIPField.i2mAsg aLL""3'' a<<RaR5L ]]RaR5L ]]RaR5LHr/c||}|dkr|dz }n|dkr|dz }n |dkr|dz }t|S)Nr<sr>sr@)r$rrBs r,m2izEigrpIPField.m2iNs]""3'' a<<  AA ]]  AA ]] LA||r/c@|dkrd}n|dkrd}n |dkrd}nd}|S)Nr<r=r>r?r@rAr()r3rCs r,prefixlen_to_bytelenz!EigrpIPField.prefixlen_to_bytelenZs< a<<GG ]]GG ]]GGGr/cZ||}||}|Sr'r$rJrBs r,i2lenzEigrpIPField.i2lenf-""3''++G44r/c||}||}||d|||d|fSr'r$rJrGr3r*srCs r,getfieldzEigrpIPField.getfieldkQ""3''++G44{DHHS!HWH+6666r/c*tj|Sr')rrandvalr3s r,rVzEigrpIPField.randvalpst$$$r/NN) __name__ __module__ __qualname____doc__ __slots__r1r8rDrGrJrMrSrVr(r/r,r#r#.sIAAAA )))          777 %%%%%r/r#cVeZdZdZdgZddZdZdZdZdZ d Z d Z d Z d Z d ZdS) EigrpIP6Fieldz This is a special field type for handling ip addresses of destination networks in internal and external route updates. r$Nc\tj|||||_| |fd|_dSdS)Nc|Sr'r(r)s r,r-z(EigrpIP6Field.__init__..r.r/r0r2s r,r1zEigrpIP6Field.__init__}r6r/c.tj|||Sr')rany2ir9s r,rczEigrpIP6Field.any2is~dC+++r/c.tj|||Sr')ri2reprr9s r,rezEigrpIP6Field.i2reprstS!,,,r/c.tj|||Sr')rr8r9s r,r8zEigrpIP6Field.h2is|D#q)))r/cttj|}||}||}|d|Sr')rsocketAF_INET6r$rJrBs r,rDzEigrpIP6Field.i2msG foq ) )""3''++G44'{r/c||}||}|dkrtdn dd|z z}||z }ttj|S)NzJEigrpIP6Field: Prefix length is > 128. Dissection of this packet will failrFr>)r$rJrrrhri)r3r*r:rC prefixlenpads r,rGzEigrpIP6Field.m2isl""3''--g66 S== ` a a a aR)^,C HA!,,,r/c&|dz}|dkr|dz }|S)Nr<r>r=r()r3plens r,rJz"EigrpIP6Field.prefixlen_to_bytelens"qy "99 AID r/cZ||}||}|Sr'rLrBs r,rMzEigrpIP6Field.i2lenrNr/c||}||}||d|||d|fSr'rPrQs r,rSzEigrpIP6Field.getfieldrTr/c*tj|Sr')rrVrWs r,rVzEigrpIP6Field.randvals%%%r/rX)rYrZr[r\r]r1rcrer8rDrGrJrMrSrVr(r/r,r_r_ts IAAAA ,,,---*** - - - 777 &&&&&r/r_cneZdZdZeddeddddd edd d gZd ZdS) EIGRPGenericzEIGRP Generic TLVtyperlenNvalue!Hc |dzSNrIr(r*r:s r,r-zEIGRPGeneric.s STWXSXr/adjustrFc|jdz Srz)rvr*s r,r-zEIGRPGeneric.s STr/r$ctjSr')r padding_layer)r3ps r,guess_payload_classz EIGRPGeneric.guess_payload_classs !!r/) rYrZr[r4rrr fields_descrr(r/r,rtrtss D;vv.. =gtDXDXYYY;w=T=TUUUWK"""""r/rtc eZdZdZeddeddeddedded ded ded ded ded dg ZdS) EIGRPParamzEIGRP Parametersrur=rv k1k2rk3k4k5reservedholdtimeN)rYrZr[r4rrr rr(r/r,rrs D;vv..:eR((9T1%%9T1%%9T1%%9T1%%9T1%%9Z++:j"--KKKr/rc eZdZdZeddeddddd ed ddd ied ded de ddde de ddgZ dZ dS) EIGRPAuthDatazEIGRP Authentication Datarur?rvNauthdatarxc |dzS)Nr@r(r{s r,r-zEIGRPAuthData.s VWZ\V\r/r|authtypeMD5keysizekeyidr=nullpads rr>c|jSr')rrs r,r-zEIGRPAuthData.s SVS^r/rc||z }|jRt|j}|ddt|dz dzzt|dzz|ddz}|S)Nr<)rrvrr)r3rpayrs r, post_buildzEIGRPAuthData.post_buildsh S < $-((G"1"W\T1222S45H5HH1QRR5PAr/)rYrZr[r4rrrrr rrr!rrr(r/r,rrs &D;vv.. =j$G\G\]]]!>*a!U<<:i..8GQ''##I|R@@;z::b>>G^G^___ Kr/rc eZdZdZeddeddeddeedd d ee d d d gZ dZ dS)EIGRPSeqzEIGRP SequencerurArvNaddrlenrIipaddr 192.168.0.1c|jdkSrzrrs r,r-zEIGRPSeq.s s{a/?r/ip6addr2001::c|jdkS)Nr>rrs r,r-zEIGRPSeq.s s{b/@r/c||z }|jOt|}|ddt|dz dzz}|t|dzz|ddz}|SNr?r<rrI)rvr)r3rrrCtmp_ps r,rzEIGRPSeq.post_buildsi S 8 !ffGbqbECA 5666EGdN+++ae3Ar/) rYrZr[r4rrr r rrrrr(r/r,rrs D;vv..:eT**9Y**##GGHm$D$D$?$?AA##HHY$A$A$@$@BB Kr/rc eZdZdZdZdZdS)ShortVersionFieldcP |dz}|dz dz}d|d|S#t$rYdSwxYw)Nrr<v.unknown) TypeError)r3r*r:minormajors r,rezShortVersionField.i2reprsV -HE!VtOEE %uuee, ,    99 s  %%ct|tr|drst|dkr`t |dddd}t |dd}|dz|zSt|trd|cxkrdkrnn|St |ds|S|jtd ||jStd ) zThe field accepts string values like v12.1, v1.1 or integer values. String values have to start with a "v" followed by a floating point number. Valid numbers are between 0 and 255. rr<rrr=Nir5z-set value to default. Format of %r is invalidzFormat of value is invalid) isinstancestr startswithrvintsplithasattrr5rr)r3r*r:rrs r,r8zShortVersionField.h2is a   D!,,s"3"3 DA!  Q+,,E Q((EQJ%' ' 3   DAOOOOeOOOOOH4++ |'GKKK|#%&BCCCr/ctSr')r rWs r,rVzShortVersionField.randval s {{r/N)rYrZr[rer8rVr(r/r,rrsD---DDD0r/rcneZdZdZeddeddeddedd gZd S) EIGRPSwVerzEIGRP Software VersionrurIrvr<ioszv12.0eigrpzv1.2N)rYrZr[r4rrrrr(r/r,rr$sX #D;vv..:eQ''$$UG44$$Wf55KKKr/rcXeZdZdZeddeddeddgZdS) EIGRPNmszEIGRP Next Multicast Sequencerurvr<nmsr?N)rYrZr[r4rrr rr(r/r,rr-sG *D;vv..:eQ''8E1%%KKKr/r) connectedstaticsummaryz receive-only redistributedzleak-mapc\eZdZdZeddeddedddegZdS) EIGRPStubzEIGRP Stub Routerrurrvflags r>N) rYrZr[r4rrr _EIGRP_STUB_FLAGSrr(r/r,rr:sM D;vv..:eQ'':gvr3DEEGKKKr/rc.eZdZdZeddeddddd ed d ed d eddedde dde dde ddedde dde dddg Z dS) EIGRPIntRoutezEIGRP Internal RouterurvNdstrxc |dzS)Nr(r{s r,r-zEIGRPIntRoute.F QRUWQWr/r|nexthop 192.168.0.0delay bandwidthmtuhopcountr reliabilityrloadrrlr@ 192.168.1.0c|jSr'rlrs r,r-zEIGRPIntRoute.Pcmr/r) rYrZr[r4rrrr rr r#rr(r/r,rrCs !D;vv.. =eTBWBWXXX79m448GV,,8K--"?5$//9Z++9]C009VQ'';z1--9["--<}B[B[\\\ KKKr/rIGRPEIGRPz Static RouteRIPHelloOSPFzIS-ISEGPBGPIDRPzConnected Link) r=r?rArIrrr< externalzcandidate-defaultceZdZdZeddeddddd ed d ed d eddeddeddedde dde e ddde eddedde ddeddeddedded ded!d"edd#d$%gZdS)& EIGRPExtRoutezEIGRP External RouterurvNrrxc |dzS)N-r(r{s r,r-zEIGRPExtRoute.hrr/r|rr originrouterr originasnrtagexternalmetricr extprotocolidrArr<rrrrrrrrr reserved2rlr@rc|jSr'rrs r,r-zEIGRPExtRoute.yrr/r)rYrZr[r4rrrr rr _EIGRP_EXTERNAL_PROTOCOL_IDr _EIGRP_EXTROUTE_FLAGSrr r#rr(r/r,rresV !D;vv.. =eTBWBWXXX79m447>=998K++8E1%%8,a00:j!,, =!5PQQ:gq!-BCC8GQ''8K--"?5$//9Z++9]C009VQ'';{A..9["--<}B[B[\\\%KKKr/rc.eZdZdZeddeddddd ed d ed d eddedde dde dde ddedde dde dddg Z dS)EIGRPv6IntRoutezEIGRP for IPv6 Internal RouterurvNrrxc |dzS)N%r(r{s r,r-zEIGRPv6IntRoute.rr/r|r::rrrrrrr=rrrrrrlr>rc|jSr'rrs r,r-zEIGRPv6IntRoute.s#-r/r) rYrZr[r4rrrr rr r_rr(r/r,rr}s *D;vv.. =eTBWBWXXX8It,,8GV,,8K00"?5$//9Z++9]C009VQ'';z1--9["-- =>W>WXXX KKKr/rceZdZdZeddeddddd ed d ed d eddeddedde dde dde e ddde eddeddeddeddeddedded ded!dedd d"#gZdS)$EIGRPv6ExtRoutezEIGRP for IPv6 External RouterurvNrrxc |dzS)N9r(r{s r,r-zEIGRPv6ExtRoute.rr/r|rrrrrrrrrrrArr<rrrrrrr=rrrrlc|jSr'rrs r,r-zEIGRPv6ExtRoute.scmr/r)rYrZr[r4rrrrr rr rr rrr r_rr(r/r,r r sV *D;vv.. =eTBWBWXXX8It,,7>=998K++8E1%%8,a00:j!,, =!5PQQ:gq!-BCC8GQ''8K00"?5$//9Z++9]A..9VQ'';{A..9[!,, =:S:STTT%KKKr/r ) r=r?rArIrrrrrr c tj}t|dkrRtjd|ddd}t |d}t|}||fi|S)Nr?rxrrt)r raw_layerrvstructunpack_eigrp_tlv_clsgetglobals)rkargsclstclsnames r,_EIGRPGuessPayloadClassrsm .C 1vv{{ M$"1" & &q ) $$Q77ii  3q??E??r/UpdateRequestQueryReplayzIPX SAPz SIA Queryz SIA Reply)r=r?rArIrrrr)initz cond-recvrupdatec eZdZdZeddeddeeddeddd e e d de d de d d e dge gZ dZdZdS)rverr?opcoderchksumNrr seqackasndtlvlistc||z }|jMt|}|ddt|dz dzzt|dzz|ddz}|Sr)r#rr)r3rrcs r,rzEIGRP.post_buildsa S ;  A"1"Q!VtO,,,s1t8}}r@s& 2222222222222222222222222222222222228777777777######,,,,,,,,000000000000000000000000C%C%C%C%C%8WC%C%C%L>&>&>&>&>&Hh>&>&>&B"""""6"""&L*|,$$$$$ $$$N|dccGGGGG GGGL$             $%89L0l"l2            !!##:99 .....F...: BR D%Br/