Protocols/OSCAR/SNAC/BUCP REGISTER RESPONSE

OSCAR Protocol

Introduction • Terms • Clients

Basic

Datatypes • FLAP • SNAC • TLV

UUIDs • Errors • Tool IDs

Host Interaction

Rate Limits • Migration • Messages

Other Services

ADMIN • ADVERT • ALERT

BART • BOS • BUCP • CHAT

CHAT_NAV

Tutorials

Sign On • BART • Rendezvous

ICBM • Locate • Buddies

Foodgroups

OSERVICE (0x0001)

LOCATE (0x0002)

BUDDY (0x0003)

ICBM (0x0004)

ADVERT (0x0005)

INVITE (0x0006)

ADMIN (0x0007)

POPUP (0x0008)

PD (0x0009)

USER_LOOKUP (0x000A)

STATS (0x000B)

TRANSLATE (0x000C)

CHAT_NAV (0x000D)

CHAT (0x000E)

ODIR (0x000F)

BART (0x0010)

FEEDBAG (0x0013)

ICQ (0x0015)

BUCP (0x0017)

ALERT (0x0018)

PLUGIN (0x0022)

UNNAMED_FG_24 (0x0024)

MDIR (0x0025)

ARS (0x044A)

ID	Origin	Name	Foodgroup	Service	Status	Version
0x0017, 0x0005	Host	BUCP__REGISTER_RESPONSE	Unspecified	BUCP	Active	1.15

Host response to BUCP__REGISTER_REQUEST. May contain confirmation of registration or an error code and/or URL.

SNAC Header

Foodgroup	uint16 (word)	00 17
Subgroup	uint16 (word)	00 05
Flags	uint16 (word)	00 00
Request ID	uint32 (dword)	00 00 00 00

SNAC Data

Unconfirmed: This SNAC contains no data

An empty channel 4 FLAP is also sent by the auth server directly after this SNAC (empty FLAPs are a signal to close the connection).

Length	Description
2 bytes	Family (0x0017)
2 bytes	Subtype (0x0005)
2 bytes	Flags
4 bytes	Snac Request ID
2 bytes	0x0001
2 bytes	Length L of the following
L bytes	DATA

DATA

The ICQ registration info. All chunks are in, uh, network byte order, I guess. (The number "5" is sent as "x05 00")

Length	Description
2 bytes	0x0300
4 bytes	0x0000 0000
2 bytes	0x2d00
2 bytes	0x0300
2 bytes	0x0000
2 bytes	0xff58
2 bytes	0xd03d
2 bytes	0xa7ba
2 bytes	0x0000
2 bytes	0x0004
2 bytes	0xec38 0000 - The same random cookie from the request
4 bytes	0x0000 0000
4 bytes	0x0000 0000
4 bytes	0x0000 0000
4 bytes	0x0000 0000
4 bytes	0x2dc5 2b09 - Your brand spankin' new ICQ number (remember, this is network byte order, so in real hexidecimal this is actually 0x092b c52d, which is 153,863,469 in decimal)
2 bytes	0xec38 0000 - The same random cookie from the request
2 bytes	0x0000

From Aleksandr Shutko: SNAC(17,05) registration reply (new uin) SNAC(17,05) BUCP__REGISTER_RESPONSE

This is the server reply for SNAC(17,04). It contain new uin. This snac mean that registration finished succesfully. Server also can reply with SNAC(17,01) if it can't create new user account.  00 17   word   SNAC family  00 05   word   SNAC subtype  00 00   word   SNAC flags  xx xx xx xx   dword   SNAC request-id  00 01   word   TLV.Type(0x01) - all values in LE format  00 32   word   TLV.Length  30 00   word   TLV.Length-2 (LE)  00 00 00 00   dword   just zeros  2d 00   word   subcmd (new uin response)  03 00   word   sequence from SNAC(17,04)  xx xx xx xx   dword   client tcp port  xx xx xx xx   dword   client ip address  00 00 00 04   dword   unknown value  xx xx xx xx   dword   registration cookie from SNAC(17,04)  00 00 00 00   dword   just zeros  00 00 00 00   dword   just zeros  00 00 00 00   dword   just zeros  00 00 00 00   dword   just zeros  xx xx xx xx   dword   new uin (LE)  xx xx xx xx   dword   registration cookie from SNAC(17,04)

Example SNAC dump with flap header:

2A 02 8C 68 00 40 00 17 00 05 00 00 00 00 00 00 *..h.@.. ........ 00 01 00 32 30 00 00 00 00 00 2D 00 03 00 9F 04 ...20... ..-..... 00 00 0A 0A 0A 08 00 00 00 04 96 7C 00 00 00 00 ........ ...|.... 00 00 00 00 00 00 00 00 00 00 00 00 00 00 90 96 ........ ........ 98 00 96 7C 00 00

BUCP SNACs

SNAC List

Subgroup Origin Name 0x0001 Any BUCP__ERR This is the error SNAC for the BUCP foodgroup. 0x0002 Client BUCP__LOGIN_REQUEST Client login request. 0x0003 Host BUCP__LOGIN_RESPONSE Host login response, will contain reconnect information with login cookie or an error code and/or URL. 0x0004 Client BUCP__REGISTER_REQUEST Client registration for legacy ICQ clients. 0x0005 Host BUCP__REGISTER_RESPONSE Host response to BUCP__REGISTER_REQUEST. May contain confirmation of registration or an error code and/or URL. 0x0006 Client BUCP__CHALLENGE_REQUEST Request challenge for login request. 0x0007 Host BUCP__CHALLENGE_RESPONSE Response to BUCP__CHALLENGE_REQUEST with challenge. 0x0008 Client BUCP__ASASN_REQUEST AOL Suggest A Screenname Request, suggests screennames based on other parameters. 0x0009 Host BUCP__ASASN_RESPONSE Response to BUCP__ASASN_REQUEST with a list of suggestions 0x000A Host BUCP__SECURID_REQUEST Host SecurID request for client to continue logging in. 0x000B Client BUCP__SECURID_RESPONSE Client response to BUCP__SECURID_RESPONSE with SecurID code. 0x000C Client BUCP__REGISTRATION_IMAGE_REQUEST Request registration image, or CAPTCHA 0x000D Host BUCP__REGISTRATION_IMAGE_REPLY Response to BUCP__REGISTRATION_IMAGE_REQUEST containing image information