Wireshark-bugs: [Wireshark-bugs] [Bug 10294] New: Dissector for MySQL Login not complete
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Sun, 20 Jul 2014 09:06:18 +0000
Bug ID 10294
Summary Dissector for MySQL Login not complete
Classification Unclassified
Product Wireshark
Version Git
Hardware All
OS All
Status UNCONFIRMED
Severity Enhancement
Priority Low
Component Dissection engine (libwireshark)
Assignee bugzilla-admin@wireshark.org
Reporter wireshark@myname.nl 

Build Information:
Paste the COMPLETE build information from "Help->About Wireshark", "wireshark
-v", or "tshark -v".
--
The dissector for the MySQL Login packet is not complete.

http://dev.mysql.com/doc/internals/en/connection-phase-packets.html#packet-Protocol::HandshakeResponse

The authentication plugin info and the client attributes are missing in the
dissector.

Payload
-------


******* This part is in the dissector ***********
4              capability flags, CLIENT_PROTOCOL_41 always set
4              max-packet size
1              character set
string[23]     reserved (all [0])
string[NUL]    username
  if capabilities & CLIENT_PLUGIN_AUTH_LENENC_CLIENT_DATA {
lenenc-int     length of auth-response
string[n]      auth-response
  } else if capabilities & CLIENT_SECURE_CONNECTION {
1              length of auth-response
string[n]      auth-response
  } else {
string[NUL]    auth-response
  }
  if capabilities & CLIENT_CONNECT_WITH_DB {
string[NUL]    database
  }

******* This part is NOT dissected ***********
  if capabilities & CLIENT_PLUGIN_AUTH {
string[NUL]    auth plugin name
  }
  if capabilities & CLIENT_CONNECT_ATTRS {
lenenc-int     length of all key-values
lenenc-str     key
lenenc-str     value
   if-more data in 'length of all key-values', more keys and value pairs
  }

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