/shared2/sys/net/02/config.dat
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This file contains the Wii's Internet connection configuration. It is composed of an 8-byte header and 3 connection entries of 0x91C each.
typedef struct _connection
{
/*
u8 selected is 8 flags:
1->Connection selected
| 1->Internet test passed
| |
1 0 1 0 0 1 1 0
| | | |
| | | 0->wireless 1-> wired (lan)
| | 1->DHCP DNS
| 1->DHCP IP
|
1->use proxy
A manual settings wireless connection without proxy looks like 1 0 1 0 0 0 0 0
*/
u8 selected;
u8 padding_1[3];
u8 ip[4];//wii ip adress
u8 netmask[4];
u8 gateway[4];
u8 dns1[4];
u8 dns2[4];
u8 padding_2[2];
u16 mtu; //valid values are 0 and 576-1500 range
u8 padding_3[8]; // 0x00 padding?
u8 use_proxy; //0x00 -> no proxy //0x01 use proxy
u8 use_proxy_userandpass; //0x00 -> don't use user and password //0x01 use user and password
u8 padding_p1[2]; //0x00
u8 proxy_name[255];
u8 padding_p2; //0x00
u16 proxy_port; // 0-34463 range
u8 proxy_username[32];
u8 padding_p3; //0x00
u8 proxy_password[32];
u8 padding_4; //0x00
//This is a copy of the proxy settings
u8 use_proxy_copy; //0x00 -> no proxy //0x01 use proxy
u8 use_proxy_userandpass_copy; //0x00 -> don't use user and password //0x01 use user and password
u8 padding_p1_copy[2]; //0x00
u8 proxy_name_copy[255];
u8 padding_p2_copy; //0x00
u16 proxy_port_copy; // 0-34463 range
u8 proxy_username_copy[32];
u8 padding_p3_copy; //0x00
u8 proxy_password_copy[32];
u8 padding_5[1297]; //0x00
//Start of wireless only settings
u8 ssid[32]; // Access Point name.
u8 padding_6; // 0x00
u8 ssid_length; // length of ssid[] (AP name) in bytes.
u8 padding_7[2]; // 0x00
u8 padding_8; // 0x00
u8 encryption; // (Probably) Encryption. OPN: 0x00, WEP64: 0x01, WEP128: 0x02 WPA-PSK (TKIP): 0x04, WPA2-PSK (AES): 0x05, WPA-PSK (AES): 0x06
u8 padding_9[2]; // 0x00
u8 padding_10; // 0x00
u8 key_length; // length of key[] (encryption key) in bytes.
// for WEP it's 0x00
u8 padding_11[2]; // 0x00
u8 key[64]; // Encryption key
//For a WEP key, they key is repeated 4 times (52 bytes) then padded with zeroes
u8 padding_12[236]; // 0x00
}connection_t;
Wired connections follow the same structure, except all related to ssid, encryption and keys is set to 0x00.
Note that all the paddings are a guess. Also, this all obtained by modifying ONLY the top wii connection (connection 1) while being the other two erassed (thus connection 1 and 2 are all set to 0x00).
More research is needed with this file.