C>S 0x22 SID_NOTIFYJOIN

Transport Layer: Transmission Control Protocol (TCP)

Application Layer: Battle.net v1 TCP Messages (SID)

Message Id: 0x22

Message Name: SID_NOTIFYJOIN

Direction: Client to Server

Used By:

Starcraft OriginalStarcraft BroodwarStarcraft SharewareStarcraft JapaneseDiablo RetailDiablo SharewareDiablo IIDiablo II Lord of DestructionWarcraft II BNE

Message Format:
(does not include protocol header)

(UINT32) Product ID *
(UINT32) Product version
(STRING) Game Name
(STRING) Game Password

Remarks

Notifies Battle.net that the client has joined a game. This is what causes you to receive "Your friend entered a game called _." from Battle.net if you are mutual friends with this client.

SID_LEAVECHAT (0x10) does not need to be sent after this, since this does what LEAVECHAT does but with an added notification.

This can be any valid Product ID, even if you are not connected with that ID.

🔖diablodiablo-iidiablo-ii-lord-of-destructionstarcraftstarcraft-broodwarstarcraft-japanwarcraft-ii

Thursday, July 15, 2010 Anonymous

Comments

Caaaaarrrrlll
Sun Feb 15, 2009 8:21pm UTC

Ripple Chat Bot is awesome for this...
Open RCB, connect, enter a channel or something...
Press Ctrl+P to open the Packet Builder.

Packet ID: 22
String: The client ID your using (I used NB2W, while using Diablo II)
DWORD: Anything you want... (I used 79 which is 4F)
NTString: A game that's currently online (find one with /games).
NTString: The password, leave blank if no password.
Press Send and then type "/whoami", or look at the channel you were in and notice your not in it.

I have messed with this packet enough to know that, the first DWORD must be a valid game ID (doesn't have to be your current client) and the second DWORD can be anything you wish (0-255).

I assume these:

The first DWORD is used to tell other clients that you are or are not playing the same game id as they are.
The second DWORD is used to tell other clients that you are or are not playing the same game version as they are.