Protocols/OSCAR/SNAC/BUCP CHALLENGE REQUEST

OSCAR Protocol

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Foodgroups

OSERVICE (0x0001)

BUCP (0x0017)

This is the first SNAC sent, by BUCP clients, right after the FLAP versions are exchanged. It is, obviously, used for requesting a challenge, of which the server replies with BUCP__CHALLENGE_RESPONSE, with the challenge they requested.

00 17   word   SNAC foodgroup  00 04   word   SNAC subgroup  00 00   word   SNAC flags  xx xx xx xx   dword   SNAC request ID  00 01   word   TLV Type (0x0001) - screen name  xx xx   word   TLV Length  xx xx .. ..   string   Screen name  May contain other common TLVs

Example SNAC dump (with a FLAP header):

0000   2a 02 17 8a 00 18 00 17 00 06 00 00 00 00 00 00   *...............
0010   00 01 00 0a 74 6f 78 69 64 61 74 69 6f 6e         ....toxidation