diff options
Diffstat (limited to 'scripts/external_libs/scapy-2.3.1/scapy/layers/ppp.py')
| -rw-r--r-- | scripts/external_libs/scapy-2.3.1/scapy/layers/ppp.py | 347 |
1 files changed, 347 insertions, 0 deletions
diff --git a/scripts/external_libs/scapy-2.3.1/scapy/layers/ppp.py b/scripts/external_libs/scapy-2.3.1/scapy/layers/ppp.py new file mode 100644 index 00000000..50c68465 --- /dev/null +++ b/scripts/external_libs/scapy-2.3.1/scapy/layers/ppp.py @@ -0,0 +1,347 @@ +## 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 + +""" +PPP (Point to Point Protocol) + +[RFC 1661] +""" + +import struct +from scapy.packet import * +from scapy.layers.l2 import * +from scapy.layers.inet import * +from scapy.fields import * + +class PPPoE(Packet): + name = "PPP over Ethernet" + fields_desc = [ BitField("version", 1, 4), + BitField("type", 1, 4), + ByteEnumField("code", 0, {0:"Session"}), + XShortField("sessionid", 0x0), + ShortField("len", None) ] + + def post_build(self, p, pay): + p += pay + if self.len is None: + l = len(p)-6 + p = p[:4]+struct.pack("!H", l)+p[6:] + return p + +class PPPoED(PPPoE): + name = "PPP over Ethernet Discovery" + fields_desc = [ BitField("version", 1, 4), + BitField("type", 1, 4), + ByteEnumField("code", 0x09, {0x09:"PADI",0x07:"PADO",0x19:"PADR",0x65:"PADS",0xa7:"PADT"}), + XShortField("sessionid", 0x0), + ShortField("len", None) ] + + +_PPP_proto = { 0x0001: "Padding Protocol", + 0x0003: "ROHC small-CID [RFC3095]", + 0x0005: "ROHC large-CID [RFC3095]", + 0x0021: "Internet Protocol version 4", + 0x0023: "OSI Network Layer", + 0x0025: "Xerox NS IDP", + 0x0027: "DECnet Phase IV", + 0x0029: "Appletalk", + 0x002b: "Novell IPX", + 0x002d: "Van Jacobson Compressed TCP/IP", + 0x002f: "Van Jacobson Uncompressed TCP/IP", + 0x0031: "Bridging PDU", + 0x0033: "Stream Protocol (ST-II)", + 0x0035: "Banyan Vines", + 0x0037: "reserved (until 1993) [Typo in RFC1172]", + 0x0039: "AppleTalk EDDP", + 0x003b: "AppleTalk SmartBuffered", + 0x003d: "Multi-Link [RFC1717]", + 0x003f: "NETBIOS Framing", + 0x0041: "Cisco Systems", + 0x0043: "Ascom Timeplex", + 0x0045: "Fujitsu Link Backup and Load Balancing (LBLB)", + 0x0047: "DCA Remote Lan", + 0x0049: "Serial Data Transport Protocol (PPP-SDTP)", + 0x004b: "SNA over 802.2", + 0x004d: "SNA", + 0x004f: "IPv6 Header Compression", + 0x0051: "KNX Bridging Data [ianp]", + 0x0053: "Encryption [Meyer]", + 0x0055: "Individual Link Encryption [Meyer]", + 0x0057: "Internet Protocol version 6 [Hinden]", + 0x0059: "PPP Muxing [RFC3153]", + 0x005b: "Vendor-Specific Network Protocol (VSNP) [RFC3772]", + 0x0061: "RTP IPHC Full Header [RFC3544]", + 0x0063: "RTP IPHC Compressed TCP [RFC3544]", + 0x0065: "RTP IPHC Compressed Non TCP [RFC3544]", + 0x0067: "RTP IPHC Compressed UDP 8 [RFC3544]", + 0x0069: "RTP IPHC Compressed RTP 8 [RFC3544]", + 0x006f: "Stampede Bridging", + 0x0071: "Reserved [Fox]", + 0x0073: "MP+ Protocol [Smith]", + 0x007d: "reserved (Control Escape) [RFC1661]", + 0x007f: "reserved (compression inefficient [RFC1662]", + 0x0081: "Reserved Until 20-Oct-2000 [IANA]", + 0x0083: "Reserved Until 20-Oct-2000 [IANA]", + 0x00c1: "NTCITS IPI [Ungar]", + 0x00cf: "reserved (PPP NLID)", + 0x00fb: "single link compression in multilink [RFC1962]", + 0x00fd: "compressed datagram [RFC1962]", + 0x00ff: "reserved (compression inefficient)", + 0x0201: "802.1d Hello Packets", + 0x0203: "IBM Source Routing BPDU", + 0x0205: "DEC LANBridge100 Spanning Tree", + 0x0207: "Cisco Discovery Protocol [Sastry]", + 0x0209: "Netcs Twin Routing [Korfmacher]", + 0x020b: "STP - Scheduled Transfer Protocol [Segal]", + 0x020d: "EDP - Extreme Discovery Protocol [Grosser]", + 0x0211: "Optical Supervisory Channel Protocol (OSCP)[Prasad]", + 0x0213: "Optical Supervisory Channel Protocol (OSCP)[Prasad]", + 0x0231: "Luxcom", + 0x0233: "Sigma Network Systems", + 0x0235: "Apple Client Server Protocol [Ridenour]", + 0x0281: "MPLS Unicast [RFC3032] ", + 0x0283: "MPLS Multicast [RFC3032]", + 0x0285: "IEEE p1284.4 standard - data packets [Batchelder]", + 0x0287: "ETSI TETRA Network Protocol Type 1 [Nieminen]", + 0x0289: "Multichannel Flow Treatment Protocol [McCann]", + 0x2063: "RTP IPHC Compressed TCP No Delta [RFC3544]", + 0x2065: "RTP IPHC Context State [RFC3544]", + 0x2067: "RTP IPHC Compressed UDP 16 [RFC3544]", + 0x2069: "RTP IPHC Compressed RTP 16 [RFC3544]", + 0x4001: "Cray Communications Control Protocol [Stage]", + 0x4003: "CDPD Mobile Network Registration Protocol [Quick]", + 0x4005: "Expand accelerator protocol [Rachmani]", + 0x4007: "ODSICP NCP [Arvind]", + 0x4009: "DOCSIS DLL [Gaedtke]", + 0x400B: "Cetacean Network Detection Protocol [Siller]", + 0x4021: "Stacker LZS [Simpson]", + 0x4023: "RefTek Protocol [Banfill]", + 0x4025: "Fibre Channel [Rajagopal]", + 0x4027: "EMIT Protocols [Eastham]", + 0x405b: "Vendor-Specific Protocol (VSP) [RFC3772]", + 0x8021: "Internet Protocol Control Protocol", + 0x8023: "OSI Network Layer Control Protocol", + 0x8025: "Xerox NS IDP Control Protocol", + 0x8027: "DECnet Phase IV Control Protocol", + 0x8029: "Appletalk Control Protocol", + 0x802b: "Novell IPX Control Protocol", + 0x802d: "reserved", + 0x802f: "reserved", + 0x8031: "Bridging NCP", + 0x8033: "Stream Protocol Control Protocol", + 0x8035: "Banyan Vines Control Protocol", + 0x8037: "reserved (until 1993)", + 0x8039: "reserved", + 0x803b: "reserved", + 0x803d: "Multi-Link Control Protocol", + 0x803f: "NETBIOS Framing Control Protocol", + 0x8041: "Cisco Systems Control Protocol", + 0x8043: "Ascom Timeplex", + 0x8045: "Fujitsu LBLB Control Protocol", + 0x8047: "DCA Remote Lan Network Control Protocol (RLNCP)", + 0x8049: "Serial Data Control Protocol (PPP-SDCP)", + 0x804b: "SNA over 802.2 Control Protocol", + 0x804d: "SNA Control Protocol", + 0x804f: "IP6 Header Compression Control Protocol", + 0x8051: "KNX Bridging Control Protocol [ianp]", + 0x8053: "Encryption Control Protocol [Meyer]", + 0x8055: "Individual Link Encryption Control Protocol [Meyer]", + 0x8057: "IPv6 Control Protovol [Hinden]", + 0x8059: "PPP Muxing Control Protocol [RFC3153]", + 0x805b: "Vendor-Specific Network Control Protocol (VSNCP) [RFC3772]", + 0x806f: "Stampede Bridging Control Protocol", + 0x8073: "MP+ Control Protocol [Smith]", + 0x8071: "Reserved [Fox]", + 0x807d: "Not Used - reserved [RFC1661]", + 0x8081: "Reserved Until 20-Oct-2000 [IANA]", + 0x8083: "Reserved Until 20-Oct-2000 [IANA]", + 0x80c1: "NTCITS IPI Control Protocol [Ungar]", + 0x80cf: "Not Used - reserved [RFC1661]", + 0x80fb: "single link compression in multilink control [RFC1962]", + 0x80fd: "Compression Control Protocol [RFC1962]", + 0x80ff: "Not Used - reserved [RFC1661]", + 0x8207: "Cisco Discovery Protocol Control [Sastry]", + 0x8209: "Netcs Twin Routing [Korfmacher]", + 0x820b: "STP - Control Protocol [Segal]", + 0x820d: "EDPCP - Extreme Discovery Protocol Ctrl Prtcl [Grosser]", + 0x8235: "Apple Client Server Protocol Control [Ridenour]", + 0x8281: "MPLSCP [RFC3032]", + 0x8285: "IEEE p1284.4 standard - Protocol Control [Batchelder]", + 0x8287: "ETSI TETRA TNP1 Control Protocol [Nieminen]", + 0x8289: "Multichannel Flow Treatment Protocol [McCann]", + 0xc021: "Link Control Protocol", + 0xc023: "Password Authentication Protocol", + 0xc025: "Link Quality Report", + 0xc027: "Shiva Password Authentication Protocol", + 0xc029: "CallBack Control Protocol (CBCP)", + 0xc02b: "BACP Bandwidth Allocation Control Protocol [RFC2125]", + 0xc02d: "BAP [RFC2125]", + 0xc05b: "Vendor-Specific Authentication Protocol (VSAP) [RFC3772]", + 0xc081: "Container Control Protocol [KEN]", + 0xc223: "Challenge Handshake Authentication Protocol", + 0xc225: "RSA Authentication Protocol [Narayana]", + 0xc227: "Extensible Authentication Protocol [RFC2284]", + 0xc229: "Mitsubishi Security Info Exch Ptcl (SIEP) [Seno]", + 0xc26f: "Stampede Bridging Authorization Protocol", + 0xc281: "Proprietary Authentication Protocol [KEN]", + 0xc283: "Proprietary Authentication Protocol [Tackabury]", + 0xc481: "Proprietary Node ID Authentication Protocol [KEN]"} + + +class HDLC(Packet): + fields_desc = [ XByteField("address",0xff), + XByteField("control",0x03) ] + +class PPP(Packet): + name = "PPP Link Layer" + fields_desc = [ ShortEnumField("proto", 0x0021, _PPP_proto) ] + @classmethod + def dispatch_hook(cls, _pkt=None, *args, **kargs): + if _pkt and _pkt[0] == '\xff': + cls = HDLC + return cls + +_PPP_conftypes = { 1:"Configure-Request", + 2:"Configure-Ack", + 3:"Configure-Nak", + 4:"Configure-Reject", + 5:"Terminate-Request", + 6:"Terminate-Ack", + 7:"Code-Reject", + 8:"Protocol-Reject", + 9:"Echo-Request", + 10:"Echo-Reply", + 11:"Discard-Request", + 14:"Reset-Request", + 15:"Reset-Ack", + } + + +### PPP IPCP stuff (RFC 1332) + +# All IPCP options are defined below (names and associated classes) +_PPP_ipcpopttypes = { 1:"IP-Addresses (Deprecated)", + 2:"IP-Compression-Protocol", + 3:"IP-Address", + 4:"Mobile-IPv4", # not implemented, present for completeness + 129:"Primary-DNS-Address", + 130:"Primary-NBNS-Address", + 131:"Secondary-DNS-Address", + 132:"Secondary-NBNS-Address"} + + +class PPP_IPCP_Option(Packet): + name = "PPP IPCP Option" + fields_desc = [ ByteEnumField("type" , None , _PPP_ipcpopttypes), + FieldLenField("len", None, length_of="data", fmt="B", adjust=lambda p,x:x+2), + StrLenField("data", "", length_from=lambda p:max(0,p.len-2)) ] + def extract_padding(self, pay): + return "",pay + + registered_options = {} + @classmethod + def register_variant(cls): + cls.registered_options[cls.type.default] = cls + @classmethod + def dispatch_hook(cls, _pkt=None, *args, **kargs): + if _pkt: + o = ord(_pkt[0]) + return cls.registered_options.get(o, cls) + return cls + + +class PPP_IPCP_Option_IPAddress(PPP_IPCP_Option): + name = "PPP IPCP Option: IP Address" + fields_desc = [ ByteEnumField("type" , 3 , _PPP_ipcpopttypes), + FieldLenField("len", None, length_of="data", fmt="B", adjust=lambda p,x:x+2), + IPField("data","0.0.0.0"), + ConditionalField(StrLenField("garbage","", length_from=lambda pkt:pkt.len-6), lambda p:p.len!=6) ] + +class PPP_IPCP_Option_DNS1(PPP_IPCP_Option): + name = "PPP IPCP Option: DNS1 Address" + fields_desc = [ ByteEnumField("type" , 129 , _PPP_ipcpopttypes), + FieldLenField("len", None, length_of="data", fmt="B", adjust=lambda p,x:x+2), + IPField("data","0.0.0.0"), + ConditionalField(StrLenField("garbage","", length_from=lambda pkt:pkt.len-6), lambda p:p.len!=6) ] + +class PPP_IPCP_Option_DNS2(PPP_IPCP_Option): + name = "PPP IPCP Option: DNS2 Address" + fields_desc = [ ByteEnumField("type" , 131 , _PPP_ipcpopttypes), + FieldLenField("len", None, length_of="data", fmt="B", adjust=lambda p,x:x+2), + IPField("data","0.0.0.0"), + ConditionalField(StrLenField("garbage","", length_from=lambda pkt:pkt.len-6), lambda p:p.len!=6) ] + +class PPP_IPCP_Option_NBNS1(PPP_IPCP_Option): + name = "PPP IPCP Option: NBNS1 Address" + fields_desc = [ ByteEnumField("type" , 130 , _PPP_ipcpopttypes), + FieldLenField("len", None, length_of="data", fmt="B", adjust=lambda p,x:x+2), + IPField("data","0.0.0.0"), + ConditionalField(StrLenField("garbage","", length_from=lambda pkt:pkt.len-6), lambda p:p.len!=6) ] + +class PPP_IPCP_Option_NBNS2(PPP_IPCP_Option): + name = "PPP IPCP Option: NBNS2 Address" + fields_desc = [ ByteEnumField("type" , 132 , _PPP_ipcpopttypes), + FieldLenField("len", None, length_of="data", fmt="B", adjust=lambda p,x:x+2), + IPField("data","0.0.0.0"), + ConditionalField(StrLenField("garbage","", length_from=lambda pkt:pkt.len-6), lambda p:p.len!=6) ] + + +class PPP_IPCP(Packet): + fields_desc = [ ByteEnumField("code" , 1, _PPP_conftypes), + XByteField("id", 0 ), + FieldLenField("len" , None, fmt="H", length_of="options", adjust=lambda p,x:x+4 ), + PacketListField("options", [], PPP_IPCP_Option, length_from=lambda p:p.len-4,) ] + + +### ECP + +_PPP_ecpopttypes = { 0:"OUI", + 1:"DESE", } + +class PPP_ECP_Option(Packet): + name = "PPP ECP Option" + fields_desc = [ ByteEnumField("type" , None , _PPP_ecpopttypes), + FieldLenField("len", None, length_of="data", fmt="B", adjust=lambda p,x:x+2), + StrLenField("data", "", length_from=lambda p:max(0,p.len-2)) ] + def extract_padding(self, pay): + return "",pay + + registered_options = {} + @classmethod + def register_variant(cls): + cls.registered_options[cls.type.default] = cls + @classmethod + def dispatch_hook(cls, _pkt=None, *args, **kargs): + if _pkt: + o = ord(_pkt[0]) + return cls.registered_options.get(o, cls) + return cls + +class PPP_ECP_Option_OUI(PPP_ECP_Option): + fields_desc = [ ByteEnumField("type" , 0 , _PPP_ecpopttypes), + FieldLenField("len", None, length_of="data", fmt="B", adjust=lambda p,x:x+6), + StrFixedLenField("oui","",3), + ByteField("subtype",0), + StrLenField("data", "", length_from=lambda p:p.len-6) ] + + + +class PPP_ECP(Packet): + fields_desc = [ ByteEnumField("code" , 1, _PPP_conftypes), + XByteField("id", 0 ), + FieldLenField("len" , None, fmt="H", length_of="options", adjust=lambda p,x:x+4 ), + PacketListField("options", [], PPP_ECP_Option, length_from=lambda p:p.len-4,) ] + +bind_layers( Ether, PPPoED, type=0x8863) +bind_layers( Ether, PPPoE, type=0x8864) +bind_layers( CookedLinux, PPPoED, proto=0x8863) +bind_layers( CookedLinux, PPPoE, proto=0x8864) +bind_layers( PPPoE, PPP, code=0) +bind_layers( HDLC, PPP, ) +bind_layers( PPP, IP, proto=33) +bind_layers( PPP, PPP_IPCP, proto=0x8021) +bind_layers( PPP, PPP_ECP, proto=0x8053) +bind_layers( Ether, PPP_IPCP, type=0x8021) +bind_layers( Ether, PPP_ECP, type=0x8053) |