/shared2/wc24/nwc24msg.cfg
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This file contains data used by the WiiConnect24 mail engine. The following list is the default mail engine URLs contained in this file.
All URLs, except account.cgi, are now defunct as of 2013. Nintendo's servers required the internal IOS SSL client certificate to access the servers. RiiConnect24 has restored the functionality, and patches the mail server URLs using a homebrew app the user runs.
- https://amw.wc24.wii.com/cgi-bin/account.cgi - This generates a passwd and mlchkid, for usage when contacting the Wii Mail scripts for authentication.
- http://rcw.wc24.wii.com/cgi-bin/check.cgi - This is where the Wii checks if it has any mail. It's used as part of a challenge the server must respond with, presumably as it is over HTTP.
- https://mtw.wc24.wii.com/cgi-bin/receive.cgi - This handles receiving of mail, returning messages up to a size the Wii provides.
- https://mtw.wc24.wii.com/cgi-bin/delete.cgi - Once mail is received, the Wii contacts this script to delete the mail from the server database.
- https://mtw.wc24.wii.com/cgi-bin/send.cgi - This handles sending of mail.
File structure
A Kaitai file documenting the file structure can be found here.
| Start | End | Length | Description |
|---|---|---|---|
| 0x0 | 0x3 | 0x4 | Magic big-endian 0x57634366 "WcCf" |
| 0x4 | 0x7 | 0x4 | Version of config file. Release IOS have it as 8. |
| 0x8 | 0xf | 0x8 | Wii's friend code/NWC24 ID, stored as a 64-bit integer. |
| 0x10 | 0x13 | 0x4 | NWC24 ID generation, this is incremented before a new ID is calculated (normally when a system format is performed). |
| 0x14 | 0x17 | 0x4 | 1 = ID is not registered yet, 2 = ID has been registered. |
| 0x18 | 0x57 | 0x40 | The Wii E-Mail address domain, including the '@'. |
| 0x58 | 0x77 | 0x20 | passwd - Stored from the initial request to account.cgi. Sent as a parameter to send/receive/delete. |
| 0x78 | 0x9b | 0x24 | mlchkid - Only used for check.cgi, which is sent over HTTP. |
| 0x9c | 0x31b | 0x280 | 5 HTTP(S) URLs for the mail engine, max 0x80 bytes each. |
| 0x31c | 0x3f7 | 0xdc | Reserved |
| 0x3f8 | 0x3fb | 0x4 | Normally set to zero when sysmenu creates this config file. Enables WC24 title booting when non-zero. KD can't change this field since the function that sets it isn't used, and sysmenu doesn't change this. |
| 0x3fc | 0x3ff | 0x4 | Checksum. It is calculated by adding every 4 bytes of the file excluding itself (so only the first 1020 bytes), and then ANDing the result by 0xFFFFFFFF. It is similar to the NANDBOOTINFO and state.dat checksums. |