SNAC(04,06)/CH1 client send channel1 message command

SNAC(04,06)/CH1

CLI_SEND_ICBM_CH1

Client use this snac to send message thru server on channel 1. All clients use this snac to send plain-text messages to an old clients and to clients that doesn't support channel2 messages. TLV(0x03) and TLV(0x06) is optional.

00 04	word	SNAC family
00 06	word	SNAC subtype
00 00	word	SNAC flags
xx xx xx xx	dword	SNAC request-id

xx xx xx xx xx xx xx xx	qword	msg-id cookie
00 01	word	message channel
xx	byte	screenname string length
xx ..	string	screenname string

00 02		word		TLV.Type(0x02) - message data
xx xx		word		TLV.Length

05 01		word		TLV.Type(0x0501) - client futures
xx xx		word		TLV.Length

....

Unknown data (depends on client)

0101		word		TLV.Type(0x0101) - message text
xx xx		word		TLV.Length

00 00	word	Message charset number
ff ff	word	Message charset subset
xx ..	string (ascii)	Message text string

00 03		word		TLV.Type(0x03) - request an ack from server
00 00		word		TLV.Length

empty

00 06		word		TLV.Type(0x06) - store message if recipient offline
00 00		word		TLV.Length

empty

Example SNAC dumps with flap header:


  2a 02 23 6c 00 47 00 04  00 06 00 00 00 01 00 06  *.#l.G..........
  67 c3 15 01 3d 3a 00 00  00 01 07 31 30 30 30 30  g...=:.....10000
  30 30 00 02 00 23 05 01  00 01 01 01 01 00 1a 00  00...#..........
  00 ff ff 74 65 73 74 20  63 68 61 6e 6e 65 6c 20  ...test channel 
  31 20 6d 65 73 73 61 67  65 00 06 00 00           1 message....