/usr/lib/python2.7/dist-packages/scapy/contrib/rsvp.py is in python-scapy 2.3.3-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 | ## 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, {})
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