Add google-endpoints to third_party/.

third_party/google-endpoints/pyasn1_modules/rfc3412.py

Index: third_party/google-endpoints/pyasn1_modules/rfc3412.py
diff --git a/third_party/google-endpoints/pyasn1_modules/rfc3412.py b/third_party/google-endpoints/pyasn1_modules/rfc3412.py
new file mode 100644
index 0000000000000000000000000000000000000000..e80ce3155e87fa70871702033b12f851ae4c26d8
--- /dev/null
+++ b/third_party/google-endpoints/pyasn1_modules/rfc3412.py
@@ -0,0 +1,38 @@
+#
+# SNMPv3 message syntax
+#
+# ASN.1 source from:
+# http://www.ietf.org/rfc/rfc3412.txt
+#
+from pyasn1.type import univ, namedtype, namedval, tag, constraint
+from pyasn1_modules import rfc1905
+
+class ScopedPDU(univ.Sequence):
+    componentType = namedtype.NamedTypes(
+        namedtype.NamedType('contextEngineId', univ.OctetString()),
+        namedtype.NamedType('contextName', univ.OctetString()),
+        namedtype.NamedType('data', rfc1905.PDUs())
+        )
+    
+class ScopedPduData(univ.Choice):
+    componentType = namedtype.NamedTypes(
+        namedtype.NamedType('plaintext', ScopedPDU()),
+        namedtype.NamedType('encryptedPDU', univ.OctetString()),
+        )
+    
+class HeaderData(univ.Sequence):
+    componentType = namedtype.NamedTypes(
+        namedtype.NamedType('msgID', univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(0, 2147483647))),
+        namedtype.NamedType('msgMaxSize', univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(484, 2147483647))),
+        namedtype.NamedType('msgFlags', univ.OctetString().subtype(subtypeSpec=constraint.ValueSizeConstraint(1, 1))),
+        namedtype.NamedType('msgSecurityModel', univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(1, 2147483647)))
+        )
+
+class SNMPv3Message(univ.Sequence):
+    componentType = namedtype.NamedTypes(
+         namedtype.NamedType('msgVersion', univ.Integer().subtype(subtypeSpec=constraint.ValueRangeConstraint(0, 2147483647))),
+         namedtype.NamedType('msgGlobalData', HeaderData()),
+         namedtype.NamedType('msgSecurityParameters', univ.OctetString()),
+         namedtype.NamedType('msgData', ScopedPduData())
+         )
+