Packet Commands

Packet Header

• unsigned long udptype (0x00)
• unsigned short checksum
• unsigned short packet length
• unsigned short Sent packets to player (seq1)
• unsigned short Recieved packets from player (seq2)
• unsigned char Command Class
• unsigned char Command ID
• unsigned char Player ID
• unsigned char Resend
• ...Command Variables...

Command Class

Connection and Battle.net relations.

• 0x0F - Unknown
  • unsigned long (00 00 00 00)
  • Sent only once.
• 0x0E -
• 0x0C -
• 0x0B -
• 0x09 - Unknown
  • 32 bytes
• 0x08 - Game Information
  • unsigned long (unknown)
  • unsigned long(unknown)
  • unsigned long(unknown)
  • unsigned long(unknown)
  • unsigned long(unknown)
  • string (game name)
• 0x07 - Player Stats
  • string (user name)
  • string (ASCII stats)
  • string (unknown)
• 0x06 -
• 0x05 -
• 0x04 -
• 0x03 - Unknown
  • unsigned long (01 00 00 00)
• 0x02 - Unknown
  • unsigned long (01 00 00 00)
• 0x01 - Unknown
  • unsigned long (01 00 00 00)
• 0x00

Command Class 1

Command Class 1 is used for subjects such as in-game chat, and file transfer.

A list of Command Class 1 and 2 commands can be found here. Command Class 1 and 2 commands are not stored in the Command ID portion of the packet, but rather the data. The Command ID for these classes is unused.

Command Class 2

Command Class 2 is used for all game-related commands, such as Selecting a Unit, or Pausing the Game.

A list of Command Class 1 and 2 commands can be found here. Command Class 1 and 2 commands are not stored in the Command ID portion of the packet, but rather the data. The Command ID for these classes is unused.