diff options
Diffstat (limited to 'scripts/external_libs/scapy-2.3.1/scapy/contrib/rsvp.py')
| -rw-r--r-- | scripts/external_libs/scapy-2.3.1/scapy/contrib/rsvp.py | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/scripts/external_libs/scapy-2.3.1/scapy/contrib/rsvp.py b/scripts/external_libs/scapy-2.3.1/scapy/contrib/rsvp.py new file mode 100644 index 00000000..c9d4ebee --- /dev/null +++ b/scripts/external_libs/scapy-2.3.1/scapy/contrib/rsvp.py @@ -0,0 +1,188 @@ +## RSVP layer + +# http://trac.secdev.org/scapy/ticket/197 + +# scapy.contrib.description = RSVP +# scapy.contrib.status = loads + +from scapy.packet import * +from scapy.fields import * +from scapy.layers.inet import IP + +rsvpmsgtypes = { 0x01 : "Path", + 0x02 : "Reservation request", + 0x03 : "Path error", + 0x04 : "Reservation request error", + 0x05 : "Path teardown", + 0x06 : "Reservation teardown", + 0x07 : "Reservation request acknowledgment" +} + +class RSVP(Packet): + name = "RSVP" + fields_desc = [ BitField("Version",1,4), + BitField("Flags",1,4), + ByteEnumField("Class",0x01, rsvpmsgtypes), + XShortField("chksum", None), + ByteField("TTL",1), + XByteField("dataofs", 0), + ShortField("Length",None)] + def post_build(self, p, pay): + p += pay + if self.Length is None: + l = len(p) + p = p[:6]+chr((l>>8)&0xff)+chr(l&0xff)+p[8:] + if self.chksum is None: + ck = checksum(p) + p = p[:2]+chr(ck>>8)+chr(ck&0xff)+p[4:] + return p + +rsvptypes = { 0x01 : "Session", + 0x03 : "HOP", + 0x04 : "INTEGRITY", + 0x05 : "TIME_VALUES", + 0x06 : "ERROR_SPEC", + 0x07 : "SCOPE", + 0x08 : "STYLE", + 0x09 : "FLOWSPEC", + 0x0A : "FILTER_SPEC", + 0x0B : "SENDER_TEMPLATE", + 0x0C : "SENDER_TSPEC", + 0x0D : "ADSPEC", + 0x0E : "POLICY_DATA", + 0x0F : "RESV_CONFIRM", + 0x10 : "RSVP_LABEL", + 0x11 : "HOP_COUNT", + 0x12 : "STRICT_SOURCE_ROUTE", + 0x13 : "LABEL_REQUEST", + 0x14 : "EXPLICIT_ROUTE", + 0x15 : "ROUTE_RECORD", + 0x16 : "HELLO", + 0x17 : "MESSAGE_ID", + 0x18 : "MESSAGE_ID_ACK", + 0x19 : "MESSAGE_ID_LIST", + 0x1E : "DIAGNOSTIC", + 0x1F : "ROUTE", + 0x20 : "DIAG_RESPONSE", + 0x21 : "DIAG_SELECT", + 0x22 : "RECOVERY_LABEL", + 0x23 : "UPSTREAM_LABEL", + 0x24 : "LABEL_SET", + 0x25 : "PROTECTION", + 0x26 : "PRIMARY PATH ROUTE", + 0x2A : "DSBM IP ADDRESS", + 0x2B : "SBM_PRIORITY", + 0x2C : "DSBM TIMER INTERVALS", + 0x2D : "SBM_INFO", + 0x32 : "S2L_SUB_LSP", + 0x3F : "DETOUR", + 0x40 : "CHALLENGE", + 0x41 : "DIFF-SERV", + 0x42 : "CLASSTYPE", + 0x43 : "LSP_REQUIRED_ATTRIBUTES", + 0x80 : "NODE_CHAR", + 0x81 : "SUGGESTED_LABEL", + 0x82 : "ACCEPTABLE_LABEL_SET", + 0x83 : "RESTART_CA", + 0x84 : "SESSION-OF-INTEREST", + 0x85 : "LINK_CAPABILITY", + 0x86 : "Capability Object", + 0xA1 : "RSVP_HOP_L2", + 0xA2 : "LAN_NHOP_L2", + 0xA3 : "LAN_NHOP_L3", + 0xA4 : "LAN_LOOPBACK", + 0xA5 : "TCLASS", + 0xC0 : "TUNNEL", + 0xC1 : "LSP_TUNNEL_INTERFACE_ID", + 0xC2 : "USER_ERROR_SPEC", + 0xC3 : "NOTIFY_REQUEST", + 0xC4 : "ADMIN-STATUS", + 0xC5 : "LSP_ATTRIBUTES", + 0xC6 : "ALARM_SPEC", + 0xC7 : "ASSOCIATION", + 0xC8 : "SECONDARY_EXPLICIT_ROUTE", + 0xC9 : "SECONDARY_RECORD_ROUTE", + 0xCD : "FAST_REROUTE", + 0xCF : "SESSION_ATTRIBUTE", + 0xE1 : "DCLASS", + 0xE2 : "PACKETCABLE EXTENSIONS", + 0xE3 : "ATM_SERVICECLASS", + 0xE4 : "CALL_OPS (ASON)", + 0xE5 : "GENERALIZED_UNI", + 0xE6 : "CALL_ID", + 0xE7 : "3GPP2_Object", + 0xE8 : "EXCLUDE_ROUTE" +} + +class RSVP_Object(Packet): + name = "RSVP_Object" + fields_desc = [ ShortField("Length",4), + ByteEnumField("Class",0x01, rsvptypes), + ByteField("C-Type",1)] + def guess_payload_class(self, payload): + if self.Class == 0x03: + return RSVP_HOP + elif self.Class == 0x05: + return RSVP_Time + elif self.Class == 0x0c: + return RSVP_SenderTSPEC + elif self.Class == 0x13: + return RSVP_LabelReq + elif self.Class == 0xCF: + return RSVP_SessionAttrb + else: + return RSVP_Data + + + +class RSVP_Data(Packet): + name = "Data" + fields_desc = [StrLenField("Data","",length_from= lambda pkt:pkt.underlayer.Length - 4)] + def default_payload_class(self, payload): + return RSVP_Object + +class RSVP_HOP(Packet): + name = "HOP" + fields_desc = [ IPField("neighbor","0.0.0.0"), + BitField("inface",1,32)] + def default_payload_class(self, payload): + return RSVP_Object + +class RSVP_Time(Packet): + name = "Time Val" + fields_desc = [ BitField("refresh",1,32)] + def default_payload_class(self, payload): + return RSVP_Object + +class RSVP_SenderTSPEC(Packet): + name = "Sender_TSPEC" + fields_desc = [ ByteField("Msg_Format",0), + ByteField("reserve",0), + ShortField("Data_Length",4), + ByteField("Srv_hdr",1), + ByteField("reserve2",0), + ShortField("Srv_Length",4), + StrLenField("Tokens","",length_from= lambda pkt:pkt.underlayer.Length - 12) ] + def default_payload_class(self, payload): + return RSVP_Object + +class RSVP_LabelReq(Packet): + name = "Lable Req" + fields_desc = [ ShortField("reserve",1), + ShortField("L3PID",1)] + def default_payload_class(self, payload): + return RSVP_Object + +class RSVP_SessionAttrb(Packet): + name = "Session_Attribute" + fields_desc = [ ByteField("Setup_priority",1), + ByteField("Hold_priority",1), + ByteField("flags",1), + ByteField("Name_length",1), + StrLenField("Name","",length_from= lambda pkt:pkt.underlayer.Length - 8), + ] + def default_payload_class(self, payload): + return RSVP_Object + +bind_layers( IP, RSVP, { "proto" : 46} ) +bind_layers( RSVP, RSVP_Object, {}) |