MSISDN & IMSI IE

--HG--
branch : GTP support

scapy/contrib/gtp.py

@@ -309,7 +309,15 @@ class IE_MSInternationalNumber(Packet):
     fields_desc = [ ByteEnumField("ietype", 134, IEType),
                     ShortField("length", None),
                     FlagsField("flags", 0, 8, ["Extension","","","International Number","","","","ISDN numbering"]),
-                    StrLenField("digits", "33607080910", length_from=lambda x: x.length-1) ]
+                    TBCDByteField("digits", "33607080910", length_from=lambda x: x.length-1) ]
+    def extract_padding(self, pkt):
+        return "",pkt
+
+class IE_IMEI(Packet):
+    name = "IMEI"
+    fields_desc = [ ByteEnumField("ietype", 154, IEType),
+                    ShortField("length", None),
+                    TBCDByteField("IMEI", "", length_from=lambda x: x.length) ]
     def extract_padding(self, pkt):
         return "",pkt
 
@@ -325,7 +333,7 @@ ietypecls = {   1: IE_Cause, 2: IE_IMSI, 3: IE_Routing, 15: IE_SelectionMode, 16
                17: IE_TEICP, 19: IE_Teardown, 20: IE_NSAPI, 26: IE_ChargingCharacteristics,
                27: IE_TraceReference, 28: IE_TraceType,
               128: IE_EndUserAddress, 131: IE_AccessPointName, 133: IE_GSNAddress,
-              134: IE_MSInternationalNumber } 
+              134: IE_MSInternationalNumber, 154: IE_IMEI } 
 
 def IE_Dispatcher(s):
   """Choose the correct Information Element class."""