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Documents:
Logon Sequences
Battle.net Flags
Battle.net's file transfer protocol (Version 1)
Battle.net's file transfer protocol (Version 2)
BNLS Checksum Algorithm
Clan Message Codes
Diablo II Game Server Accept Sequence
Diablo II Realm Server Logon Procedure
Game Statstrings
Icons.bni
NLS/SRP Protocol
Notational Conventions
Platform & Product IDs
Protocol Headers
Sizes & Types
User Statstrings
Warcraft III Profile Requests

Consts for all messages: [pas cpp vb]

Battle.net Messages:
[C>0x00] SID_NULL
[S>0x00] SID_NULL
[C>0x02] SID_STOPADV
[S>0x04] SID_SERVERLIST (Defunct)
[C>0x05] SID_CLIENTID
[S>0x05] SID_CLIENTID
[C>0x06] SID_STARTVERSIONING
[S>0x06] SID_STARTVERSIONING
[C>0x07] SID_REPORTVERSION
[S>0x07] SID_REPORTVERSION
[C>0x08] SID_STARTADVEX
[S>0x08] SID_STARTADVEX
[C>0x09] SID_GETADVLISTEX
[S>0x09] SID_GETADVLISTEX
[C>0x0A] SID_ENTERCHAT
[S>0x0A] SID_ENTERCHAT
[C>0x0B] SID_GETCHANNELLIST
[S>0x0B] SID_GETCHANNELLIST
[C>0x0C] SID_JOINCHANNEL
[C>0x0E] SID_CHATCOMMAND
[S>0x0F] SID_CHATEVENT
[C>0x10] SID_LEAVECHAT
[C>0x12] SID_LOCALEINFO
[S>0x13] SID_FLOODDETECTED
[C>0x14] SID_UDPPINGRESPONSE
[C>0x15] SID_CHECKAD
[S>0x15] SID_CHECKAD
[C>0x16] SID_CLICKAD
[C>0x18] SID_REGISTRY (Defunct)
[S>0x18] SID_REGISTRY (Defunct)
[S>0x19] SID_MESSAGEBOX
[C>0x1A] SID_STARTADVEX2 (Defunct)
[C>0x1B] SID_GAMEDATAADDRESS (Defunct)
[C>0x1C] SID_STARTADVEX3
[S>0x1C] SID_STARTADVEX3
[S>0x1D] SID_LOGONCHALLENGEEX
[C>0x1E] SID_CLIENTID2
[C>0x1F] SID_LEAVEGAME
[C>0x21] SID_DISPLAYAD
[C>0x22] SID_NOTIFYJOIN
[C>0x25] SID_PING
[S>0x25] SID_PING
[C>0x26] SID_READUSERDATA
[S>0x26] SID_READUSERDATA
[C>0x27] SID_WRITEUSERDATA
[S>0x28] SID_LOGONCHALLENGE
[C>0x29] SID_LOGONRESPONSE
[S>0x29] SID_LOGONRESPONSE
[C>0x2A] SID_CREATEACCOUNT
[S>0x2A] SID_CREATEACCOUNT
[C>0x2B] SID_SYSTEMINFO (Defunct)
[C>0x2C] SID_GAMERESULT
[C>0x2D] SID_GETICONDATA
[S>0x2D] SID_GETICONDATA
[C>0x2E] SID_GETLADDERDATA
[S>0x2E] SID_GETLADDERDATA
[C>0x2F] SID_FINDLADDERUSER
[S>0x2F] SID_FINDLADDERUSER
[C>0x30] SID_CDKEY
[S>0x30] SID_CDKEY
[C>0x31] SID_CHANGEPASSWORD
[S>0x31] SID_CHANGEPASSWORD
[C>0x32] SID_CHECKDATAFILE
[S>0x32] SID_CHECKDATAFILE
[C>0x33] SID_GETFILETIME
[S>0x33] SID_GETFILETIME
[C>0x34] SID_QUERYREALMS
[S>0x34] SID_QUERYREALMS
[C>0x35] SID_PROFILE
[S>0x35] SID_PROFILE
[C>0x36] SID_CDKEY2
[S>0x36] SID_CDKEY2
[C>0x3A] SID_LOGONRESPONSE2
[S>0x3A] SID_LOGONRESPONSE2
[C>0x3C] SID_CHECKDATAFILE2
[S>0x3C] SID_CHECKDATAFILE2
[C>0x3D] SID_CREATEACCOUNT2
[S>0x3D] SID_CREATEACCOUNT2
[C>0x3E] SID_LOGONREALMEX
[S>0x3E] SID_LOGONREALMEX
[S>0x3F] SID_STARTVERSIONING2
[C>0x40] SID_QUERYREALMS2
[S>0x40] SID_QUERYREALMS2
[C>0x41] SID_QUERYADURL
[S>0x41] SID_QUERYADURL
[C>0x44] SID_WARCRAFTGENERAL
[S>0x44] SID_WARCRAFTGENERAL
[C>0x45] SID_NETGAMEPORT
[C>0x46] SID_NEWS_INFO
[S>0x46] SID_NEWS_INFO
[S>0x4A] SID_OPTIONALWORK
[C>0x4B] SID_EXTRAWORK
[S>0x4C] SID_REQUIREDWORK
[C>0x50] SID_AUTH_INFO
[S>0x50] SID_AUTH_INFO
[C>0x51] SID_AUTH_CHECK
[S>0x51] SID_AUTH_CHECK
[C>0x52] SID_AUTH_ACCOUNTCREATE
[S>0x52] SID_AUTH_ACCOUNTCREATE
[C>0x53] SID_AUTH_ACCOUNTLOGON
[S>0x53] SID_AUTH_ACCOUNTLOGON
[C>0x54] SID_AUTH_ACCOUNTLOGONPROOF
[S>0x54] SID_AUTH_ACCOUNTLOGONPROOF
[C>0x55] SID_AUTH_ACCOUNTCHANGE
[S>0x55] SID_AUTH_ACCOUNTCHANGE
[C>0x56] SID_AUTH_ACCOUNTCHANGEPROOF
[S>0x56] SID_AUTH_ACCOUNTCHANGEPROOF
[C>0x57] SID_AUTH_ACCOUNTUPGRADE
[S>0x57] SID_AUTH_ACCOUNTUPGRADE
[S>0x58] SID_AUTH_ACCOUNTUPGRADEPROOF
[C>0x59] SID_SETEMAIL
[S>0x59] SID_SETEMAIL
[C>0x5A] SID_RESETPASSWORD
[C>0x5B] SID_CHANGEEMAIL
[C>0x5C] SID_SWITCHPRODUCT
[C>0x60] SID_GAMEPLAYERSEARCH
[S>0x60] SID_GAMEPLAYERSEARCH
[C>0x65] SID_FRIENDSLIST
[S>0x65] SID_FRIENDSLIST
[C>0x66] SID_FRIENDSUPDATE
[S>0x66] SID_FRIENDSUPDATE
[S>0x67] SID_FRIENDSADD
[S>0x68] SID_FRIENDSREMOVE
[S>0x69] SID_FRIENDSPOSITION
[C>0x70] SID_CLANFINDCANDIDATES
[S>0x70] SID_CLANFINDCANDIDATES
[C>0x71] SID_CLANINVITEMULTIPLE
[S>0x71] SID_CLANINVITEMULTIPLE
[C>0x72] SID_CLANCREATIONINVITATION
[S>0x72] SID_CLANCREATIONINVITATION
[C>0x73] SID_CLANDISBAND
[S>0x73] SID_CLANDISBAND
[C>0x74] SID_CLANMAKECHIEFTAIN
[S>0x74] SID_CLANMAKECHIEFTAIN
[S>0x75] SID_CLANINFO
[S>0x76] SID_CLANQUITNOTIFY
[C>0x77] SID_CLANINVITATION
[S>0x77] SID_CLANINVITATION
[C>0x78] SID_CLANREMOVEMEMBER
[S>0x78] SID_CLANREMOVEMEMBER
[C>0x79] SID_CLANINVITATIONRESPONSE
[S>0x79] SID_CLANINVITATIONRESPONSE
[C>0x7A] SID_CLANRANKCHANGE
[S>0x7A] SID_CLANRANKCHANGE
[C>0x7B] SID_CLANSETMOTD
[C>0x7C] SID_CLANMOTD
[S>0x7C] SID_CLANMOTD
[C>0x7D] SID_CLANMEMBERLIST
[S>0x7D] SID_CLANMEMBERLIST
[S>0x7E] SID_CLANMEMBERREMOVED
[S>0x7F] SID_CLANMEMBERSTATUSCHANGE
[S>0x81] SID_CLANMEMBERRANKCHANGE
[C>0x82] SID_CLANMEMBERINFORMATION
[S>0x82] SID_CLANMEMBERINFORMATION

View consts: [pas cpp vb]


Battle.net/Starcraft UDP Messages:
[C>0x03] PKT_CLIENTREQ
[S>0x05] PKT_SERVERPING
[C>0x07] PKT_KEEPALIVE
[C>0x08] PKT_CONNTEST
[C>0x09] PKT_CONNTEST2

View consts: [pas cpp vb]


Realm Messages:
The official Blizzard names for MCP packets are unknown. These have been invented for convenience.

[C>0x01] MCP_STARTUP
[S>0x01] MCP_STARTUP
[C>0x02] MCP_CHARCREATE
[S>0x02] MCP_CHARCREATE
[C>0x03] MCP_CREATEGAME
[S>0x03] MCP_CREATEGAME
[C>0x04] MCP_JOINGAME
[S>0x04] MCP_JOINGAME
[C>0x05] MCP_GAMELIST
[S>0x05] MCP_GAMELIST
[C>0x06] MCP_GAMEINFO
[S>0x06] MCP_GAMEINFO
[C>0x07] MCP_CHARLOGON
[S>0x07] MCP_CHARLOGON
[C>0x0A] MCP_CHARDELETE
[S>0x0A] MCP_CHARDELETE
[C>0x11] MCP_REQUESTLADDERDATA
[S>0x11] MCP_REQUESTLADDERDATA
[C>0x12] MCP_MOTD
[S>0x12] MCP_MOTD
[C>0x13] MCP_CANCELGAMECREATE
[S>0x14] MCP_CREATEQUEUE
[C>0x17] MCP_CHARLIST
[S>0x17] MCP_CHARLIST
[C>0x18] MCP_CHARUPGRADE
[S>0x18] MCP_CHARUPGRADE
[C>0x19] MCP_CHARLIST2
[S>0x19] MCP_CHARLIST2

View consts: [pas cpp vb]


D2GS Messages:
[C>0x01] D2GS_WALKTOLOCATION
[C>0x02] D2GS_WALKTOUNIT
[C>0x03] D2GS_RUNTOLOCATION
[C>0x04] D2GS_RUNTOUNIT
[C>0x05] D2GS_LEFTSKILLLOC
[C>0x06] D2GS_LEFTSKILLOBJ
[C>0x08] D2GS_REPEATLEFTSKILLLOC
[C>0x09] D2GS_REPEATLEFTSKILLOBJ
[C>0x0C] D2GS_RIGHTSKILLLOC
[C>0x0D] D2GS_RIGHTSKILLOBJ
[C>0x0F] D2GS_REPEATRIGHTSKILLLOC
[C>0x10] D2GS_REPEATRIGHTSKILLOBJ
[S>0x10] D2GS_CHARTOOBJ
[C>0x13] D2GS_INTERACTWITHOBJECT
[C>0x14] D2GS_CHARMESSAGE
[C>0x15] D2GS_CHATCOMMAND
[C>0x16] D2GS_PICKUPGROUNDITEM
[C>0x17] D2GS_DROPITEM
[C>0x18] D2GS_ITEMTOINVENTORY
[C>0x19] D2GS_PICKUPITEM
[S>0x19] D2GS_SMALLGOLDPICKUP
[C>0x1A] D2GS_ITEMTOBODY
[C>0x1B] D2GS_REMOVEBODYITEM
[C>0x1D] D2GS_SWITCHBODYITEM
[S>0x1D] D2GS_SETBYTEATTR
[S>0x1E] D2GS_SETWORDATTR
[C>0x1F] D2GS_SWITCHINVENTORYITEM
[S>0x1F] D2GS_SETDWORDATTR
[C>0x20] D2GS_USEITEM
[C>0x21] D2GS_STACKITEM
[C>0x22] D2GS_REMOVESTACKITEM (Defunct)
[C>0x23] D2GS_ITEMTOBELT
[C>0x24] D2GS_REMOVEBELTITEM
[C>0x25] D2GS_SWITCHBELTITEM
[C>0x26] D2GS_USEBELTITEM
[C>0x27] D2GS_0x27
[C>0x28] D2GS_INSERTSOCKETITEM
[C>0x29] D2GS_SCROLLTOTOME
[C>0x2A] D2GS_ITEMTOCUBE
[C>0x2D] D2GS_UNSELECTOBJ (Defunct)
[C>0x2F] D2GS_NPCHEAL
[C>0x30] D2GS_NPCCANCEL
[C>0x32] D2GS_NPCBUY
[C>0x33] D2GS_NPCSELL
[C>0x38] D2GS_NPCTRADE
[C>0x3F] D2GS_CHARACTERPHRASE
[C>0x49] D2GS_WAYPOINT
[C>0x4F] D2GS_TRADE
[C>0x50] D2GS_DROPGOLD
[S>0x51] D2GS_WORLDOBJECT
[S>0x5C] D2GS_(COMP)STARTGAME
[C>0x5E] D2GS_PARTY
[C>0x61] D2GS_POTIONTOMERCENARY
[C>0x68] D2GS_GAMELOGON
[C>0x6A] D2GS_ENTERGAMEENVIRONMENT
[C>0x6D] D2GS_PING
[S>0x77] D2GS_TRADEACTION
[S>0x7A] D2GS_LOGONRESPONSE
[S>0xAF] D2GS_STARTLOGON

View consts: [pas cpp vb]


Botnet Messages:
[C>0x00] PACKET_IDLE
[S>0x00] PACKET_IDLE
[C>0x01] PACKET_LOGON
[S>0x01] PACKET_LOGON
[C>0x02] PACKET_STATSUPDATE
[S>0x02] PACKET_STATSUPDATE
[C>0x03] PACKET_DATABASE
[S>0x03] PACKET_DATABASE
[C>0x04] PACKET_MESSAGE
[S>0x04] PACKET_MESSAGE
[C>0x05] PACKET_CYCLE
[S>0x05] PACKET_CYCLE
[C>0x06] PACKET_USERINFO
[S>0x06] PACKET_USERINFO
[C>0x07] PACKET_BROADCASTMESSAGE
[S>0x07] PACKET_USERLOGGINGOFF
[C>0x08] PACKET_COMMAND
[C>0x09] PACKET_CHANGEDBPASSWORD
[S>0x0A] PACKET_BOTNETVERSION
[C>0x0B] PACKET_BOTNETCHAT
[S>0x0B] PACKET_BOTNETCHAT
[C>0x0D] PACKET_ACCOUNT
[S>0x0D] PACKET_ACCOUNT
[C>0x10] PACKET_CHATDROPOPTIONS
[S>0x10] PACKET_CHATDROPOPTIONS

View consts: [pas cpp vb]


BNLS Messages:
This reference is only here for convinience, and may not be complete or up to date. The original and updated documentation can be found here.

[C>0x00] BNLS_NULL
[C>0x01] BNLS_CDKEY
[S>0x01] BNLS_CDKEY
[C>0x02] BNLS_LOGONCHALLENGE
[S>0x02] BNLS_LOGONCHALLENGE
[C>0x03] BNLS_LOGONPROOF
[S>0x03] BNLS_LOGONPROOF
[C>0x04] BNLS_CREATEACCOUNT
[S>0x04] BNLS_CREATEACCOUNT
[S>0x05] BNLS_CHANGECHALLENGE
[C>0x05] BNLS_CHANGECHALLENGE
[C>0x06] BNLS_CHANGEPROOF
[S>0x06] BNLS_CHANGEPROOF
[C>0x07] BNLS_UPGRADECHALLENGE
[S>0x07] BNLS_UPGRADECHALLENGE
[C>0x08] BNLS_UPGRADEPROOF
[S>0x08] BNLS_UPGRADEPROOF
[C>0x09] BNLS_VERSIONCHECK
[S>0x09] BNLS_VERSIONCHECK
[C>0x0A] BNLS_CONFIRMLOGON
[S>0x0A] BNLS_CONFIRMLOGON
[C>0x0B] BNLS_HASHDATA
[S>0x0B] BNLS_HASHDATA
[C>0x0C] BNLS_CDKEY_EX
[S>0x0C] BNLS_CDKEY_EX
[C>0x0D] BNLS_CHOOSENLSREVISION
[S>0x0D] BNLS_CHOOSENLSREVISION
[C>0x0E] BNLS_AUTHORIZE
[S>0x0E] BNLS_AUTHORIZE
[C>0x0F] BNLS_AUTHORIZEPROOF
[S>0x0F] BNLS_AUTHORIZEPROOF
[C>0x10] BNLS_REQUESTVERSIONBYTE
[S>0x10] BNLS_REQUESTVERSIONBYTE
[C>0x11] BNLS_VERIFYSERVER
[S>0x11] BNLS_VERIFYSERVER
[C>0x12] BNLS_RESERVESERVERSLOTS
[S>0x12] BNLS_RESERVESERVERSLOTS
[C>0x13] BNLS_SERVERLOGONCHALLENGE
[S>0x13] BNLS_SERVERLOGONCHALLENGE
[C>0x14] BNLS_SERVERLOGONPROOF
[S>0x14] BNLS_SERVERLOGONPROOF
[C>0x18] BNLS_VERSIONCHECKEX
[S>0x18] BNLS_VERSIONCHECKEX
[C>0x1A] BNLS_VERSIONCHECKEX2
[S>0x1A] BNLS_VERSIONCHECKEX2

View consts: [pas cpp vb]


Other Resources:
The Battle.net Bot Development Website
Valhalla Legends

Message information: MCP_REQUESTLADDERDATA (0x11)


Message ID: 0x11
Message Name: MCP_REQUESTLADDERDATA
Direction: Client -> Server (Sent)
Used By: Diablo II, Diablo II LOD
Format:
Help

Hint: Field names highlighted in blue will display a definition if you hover over the text.
(BYTE)		 Ladder type
(WORD)		 Starting position
Remarks: This will request 16 ladder entries, starting at a zero-based location specified in 'Starting position'. For example if this is 0, then ladder entries 1-16 are retrieved. If this is 17, then ladder entries 18-33 are retrieved. Note: The values that Diablo 2 sends for this are always perfectly divisible by 16. This might be a requirement.

Possible ladder types:
0x00 = standard hardcore overall ladder.
0x01 = standard hardcore amazon ladder.
0x02 = standard hardcore sorceress ladder.
0x03 = standard hardcore necromancer ladder.
0x04 = standard hardcore paladin ladder.
0x05 = standard hardcore barbarian ladder.

0x09 = standard softcore overall ladder.
0x0A = standard softcore amazon ladder.
0x0B = standard softcore sorceress ladder.
0x0C = standard softcore necromancer ladder.
0x0D = standard softcore paladin ladder.
0x0E = standard softcore barbarian ladder.

0x13 = expansion hardcore overall ladder.
0x14 = expansion hardcore amazon ladder.
0x15 = expansion hardcore sorceress ladder.
0x16 = expansion hardcore necromancer ladder.
0x17 = expansion hardcore paladin ladder.
0x18 = expansion hardcore barbarian ladder.
0x19 = expansion hardcore druid ladder.
0x1A = expansion hardcore assassin ladder.

0x1B = expansion softcore overall ladder.
0x1C = expansion softcore amazon ladder.
0x1D = expansion softcore sorceress ladder.
0x1E = expansion softcore necromancer ladder.
0x1F = expansion softcore paladin ladder.
0x20 = expansion softcore barbarian ladder.
0x21 = expansion softcore druid ladder.
0x22 = expansion softcore assassin ladder.
Related Links: [S>0x11] MCP_REQUESTLADDERDATA
Printable Version

User Comments:

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For detailed questions and discussion, visit the Battle.Net Bot Development Forum.

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