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Packets

Packet Information


Message ID:0x50
  
Message Name:SID_AUTH_INFO
  
Direction:Server -> Client (Received)
  
Used By:Starcraft Broodwar, Diablo II, Warcraft III: The Frozen Throne, Starcraft, Diablo, Warcraft III
  
Format:(DWORD) Logon Type
(DWORD) Server Token
(DWORD) UDPValue *
(FILETIME) MPQ filetime
(STRING) IX86ver filename
(STRING) ValueString

WAR3/W3XP Only:
(VOID) 128-byte Server signature
  
Remarks:Contains the Server Token, and the values used in CheckRevision.

Possible Logon Type values:

0x00: Broken SHA-1 (STAR/SEXP/D2DV/D2XP)
0x01: NLS version 1 (War3Beta)
0x02: NLS Version 2 (WAR3/W3XP)
* UDPValue
No one really knows what this is, however, it is used in 2nd DWORD of the UDP packet PKT_CONNTEST2. It is also the second part of MCP Chunk 1 in MCP_STARTUP.
  
Related:[0x50] SID_AUTH_INFO (C->S), [0x09] PKT_CONNTEST2 (C->S), [0x01] MCP_STARTUP (C->S)

User Comments


For detailed questions and discussion, visit the Battle.net Research Forum

Jailout2000
Jun 16, 2012
02:13 AM

If you use IX86 and JSTR, expect an empty ValueString from Battle.net and your MPQ to be ver-IX86-0.mpq. Everything else seems to be okay though.

Packet Dump from Wireshark:

00000000 01 ff 50 3a 00 00 00 00 00 36 38 58 49 52 54 53 ..P:.... .68XIRTS
00000010 4a d3 00 00 00 00 00 00 00 c0 a8 00 17 2c 01 00 J....... .....,..
00000020 00 09 04 00 00 09 04 00 00 55 53 41 00 55 6e 69 ........ .USA.Uni
00000030 74 65 64 20 53 74 61 74 65 73 00 ted Stat es.

00000000 ff 25 08 00 de 37 ef 58 .%...7.X
00000008 ff 50 28 00 00 00 00 00 a1 8b c6 b7 ee 15 08 00 .P(..... ........
00000018 00 8b 51 03 70 5f c7 01 76 65 72 2d 49 58 38 36 ..Q.p_.. ver-IX86
00000028 2d 30 2e 6d 70 71 00 00 -0.mpq..

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