SLoginCheck (0x02)
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SLoginCheck is server-to-client action 0x02 in the 4.21 protocol.
Direction: server to client
Encrypted: Yes. See Sequence and XOR Transformation.
Payload offsets begin with the first byte after the action. The frame marker, frame length, action, sequence, and trailing zero are excluded.
Payload format
| Offset | Width | Field | Established meaning |
|---|---|---|---|
0x00 | payload_length | unknown_00 | Payload bytes whose field boundaries are not yet mapped. |
Handler functions
| Function address | Current IDA name | Role |
|---|---|---|
Darkages.exe:0x00461080 | sub_461080 | Accepts the action in its pane’s Event type 9 packet handler. |
Darkages.exe:0x0045F780 | ui_main_menu_handle_server_packet | Accepts the action in the main-menu packet handler. |
Darkages.exe:0x00464300 | sub_464300 | Accepts the action in its pane’s Event type 9 packet handler. |
Darkages.exe:0x00463A60 | sub_463A60 | Accepts the action in its pane’s Event type 9 packet handler. |
Handler notes
Darkages.exe:0x00461080 sub_461080, Darkages.exe:0x0045F780 ui_main_menu_handle_server_packet, Darkages.exe:0x00464300 sub_464300, Darkages.exe:0x00463A60 sub_463A60. Used during login or lobby.
Schema status
The 4.21 client accepts this action in the listed functions. Payload field division remains a placeholder until its readers and client-side effects are traced end to end.