Initial commit

1 files changed, 29 insertions, 0 deletions

diff --git a/external/construct/protocols/layer3/igmpv2.py b/external/construct/protocols/layer3/igmpv2.py
new file mode 100644
index 0000000..41797eb
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+++ b/external/construct/protocols/layer3/igmpv2.py
@@ -0,0 +1,29 @@
+"""
+What : Internet Group Management Protocol, Version 2
+ How : http://www.ietf.org/rfc/rfc2236.txt
+ Who : jesse @ housejunkie . ca
+"""
+
+from construct import Byte, Enum,Struct, UBInt16
+from construct.protocols.layer3.ipv4 import IpAddress
+from binascii import unhexlify
+import six
+
+
+igmp_type = Enum(Byte("igmp_type"), 
+    MEMBERSHIP_QUERY = 0x11,
+    MEMBERSHIP_REPORT_V1 = 0x12,
+    MEMBERSHIP_REPORT_V2 = 0x16,
+    LEAVE_GROUP = 0x17,
+)
+
+igmpv2_header = Struct("igmpv2_header",
+    igmp_type,
+    Byte("max_resp_time"),
+    UBInt16("checksum"),
+    IpAddress("group_address"),
+)
+
+if __name__ == '__main__':
+    capture = unhexlify(six.b("1600FA01EFFFFFFD"))
+    print (igmpv2_header.parse(capture))