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Merge pull request #247 from Leseratte10/master

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Add Wiimmfi update code
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Fledge68 2021-03-26 15:17:39 -05:00 committed by GitHub
commit 6ba7dac8d1
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 305 additions and 10 deletions
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17
resources/wiiflow_game_booter/source/apploader.c
View File

@ -35,7 +35,7 @@ static void Anti_002_fix(void *Address, int Size);
static bool Remove_001_Protection(void *Address, int Size);
static void PrinceOfPersiaPatch();
static void NewSuperMarioBrosPatch();
static void MarioKartWiiWiimmfiPatch(u8 server);
static void WiimmfiPatch(u8 server);
static void Patch_23400_and_MKWii_vulnerability();
bool hookpatched = false;
@ -126,7 +126,7 @@ u32 Apploader_Run(u8 vidMode, GXRModeObj *vmode, bool vipatch, bool countryStrin
if(private_server != PRIVSERV_WIIMMFI)
Patch_23400_and_MKWii_vulnerability();
MarioKartWiiWiimmfiPatch(private_server);// only done if wiimfi server and game is mario kart wii
WiimmfiPatch(private_server);// only done if wiimfi server and game is mario kart wii
/* Set entry point from apploader */
return (u32)appldr_final();
@ -193,10 +193,19 @@ static void Anti_002_fix(void *Address, int Size)
}
}
static void MarioKartWiiWiimmfiPatch(u8 server)
static void WiimmfiPatch(u8 server)
{
if(memcmp("RMC", GameID, 3) == 0 && server == PRIVSERV_WIIMMFI)
if (server != PRIVSERV_WIIMMFI) return; // no Wiimmfi Patch needed
if(memcmp("RMC", GameID, 3) != 0) {
// This isn't MKWii, perform the patch for other games.
do_new_wiimmfi_nonMKWii();
}
else {
// This is MKWii, perform the known patch from 2018.
do_new_wiimmfi();
}
}
static void PrinceOfPersiaPatch()

293
resources/wiiflow_game_booter/source/patchcode.c
View File

@ -788,6 +788,231 @@ void PatchFix480p()
return;
}
static inline int GetOpcode(unsigned int* instructionAddr)
{
return ((*instructionAddr >> 26) & 0x3f);
}
static inline int GetImmediateDataVal(unsigned int* instructionAddr)
{
return (*instructionAddr & 0xffff);
}
static inline int GetLoadTargetReg(unsigned int* instructionAddr)
{
return (int)((*instructionAddr >> 21) & 0x1f);
}
static inline int GetComparisonTargetReg(unsigned int* instructionAddr)
{
return (int)((*instructionAddr >> 16) & 0x1f);
}
u32 do_new_wiimmfi_nonMKWii() {
// As of February 2021, Wiimmfi requires a special Wiimmfi patcher
// update which does a bit more than just patch the server adresses.
// This function is being called by apploader.c, right before
// jumping to the entry point (only for non-MKWii games on Wiimmfi),
// and applies all the necessary security fixes to the game.
// This function has been implemented by Leseratte. Please don't
// try to modify it without speaking to the Wiimmfi team because
// doing so could have unintended side effects.
int hasGT2Error = 0;
char gt2locator[] = { 0x38, 0x61, 0x00, 0x08, 0x38, 0xA0, 0x00, 0x14};
unsigned char opCodeChainP2P_v1[22] = { 32, 32, 21, 21, 21, 21, 20, 20, 31, 40, 21, 20, 20, 31, 31, 10, 20, 36, 21, 44, 36, 16 };
unsigned char opCodeChainP2P_v2[22] = { 32, 32, 21, 21, 20, 21, 20, 21, 31, 40, 21, 20, 20, 31, 31, 10, 20, 36, 21, 44, 36, 16 };
unsigned char opCodeChainMASTER_v1[22] = { 21, 21, 21, 21, 40, 20, 20, 20, 20, 31, 31, 14, 31, 20, 21, 44, 21, 36, 36, 18, 11, 16 };
unsigned char opCodeChainMASTER_v2[22] = { 21, 21, 21, 21, 40, 20, 20, 20, 20, 31, 31, 14, 31, 20, 21, 36, 21, 44, 36, 18, 11, 16 };
int MASTERopcodeChainOffset = 0;
char * cur = (char *)0x80004000;
const char * end = (const char *)0x80900000;
// Check if the game needs the new patch.
do {
if (memcmp(cur, "<GT2> RECV-0x%02x <- [--------:-----] [pid=%u]", 0x2e) == 0)
{
hasGT2Error++;
}
} while (++cur < end);
cur = (char *)0x80004000;
if (hasGT2Error > 1) return 1; // error, this either doesn't exist, or exists once. Can't exist multiple times.
int successful_patch_p2p = 0;
int successful_patch_master = 0;
do {
// Patch the User-Agent so Wiimmfi knows this game has been patched.
// This also identifies patcher (H=WiiFlow Lite) and patch version (=1), please
// do not change this without talking to Leseratte first.
if (memcmp(cur, "User-Agent\x00\x00RVL SDK/", 20) == 0) {
if (hasGT2Error)
memcpy(cur + 12, "H-3-1\x00", 6);
else
memcpy(cur + 12, "H-3-0\x00", 6);
}
if (hasGT2Error)
{
if (memcmp(cur, &gt2locator, 8) == 0)
{
int found_opcode_chain_P2P_v1 = 1;
int found_opcode_chain_P2P_v2 = 1;
for (int i = 0; i < 22; i++) {
int offset = (i * 4) + 12;
if (opCodeChainP2P_v1[i] != (unsigned char)(GetOpcode((unsigned int *)(cur + offset)))) {
found_opcode_chain_P2P_v1 = 0;
}
if (opCodeChainP2P_v2[i] != (unsigned char)(GetOpcode((unsigned int *)(cur + offset)))) {
found_opcode_chain_P2P_v2 = 0;
}
}
int found_opcode_chain_MASTER;
for (int dynamic = 0; dynamic < 40; dynamic += 4) {
found_opcode_chain_MASTER = 1;
int offset = 0;
for (int i = 0; i < 22; i++) {
offset = (i * 4) + 12 + dynamic;
if (
(opCodeChainMASTER_v1[i] != (unsigned char)(GetOpcode((unsigned int *)(cur + offset)))) &&
(opCodeChainMASTER_v2[i] != (unsigned char)(GetOpcode((unsigned int *)(cur + offset))))
) {
found_opcode_chain_MASTER = 0;
}
}
if (found_opcode_chain_MASTER) {
MASTERopcodeChainOffset = (int)(cur + 12 + dynamic);
break;
}
}
if (found_opcode_chain_P2P_v1 || found_opcode_chain_P2P_v2) {
if (
GetImmediateDataVal((unsigned int *)(cur + 0x0c)) == 0x0c &&
GetImmediateDataVal((unsigned int *)(cur + 0x10)) == 0x18 &&
GetImmediateDataVal((unsigned int *)(cur + 0x30)) == 0x12 &&
GetImmediateDataVal((unsigned int *)(cur + 0x48)) == 0x5a &&
GetImmediateDataVal((unsigned int *)(cur + 0x50)) == 0x0c &&
GetImmediateDataVal((unsigned int *)(cur + 0x58)) == 0x12 &&
GetImmediateDataVal((unsigned int *)(cur + 0x5c)) == 0x18 &&
GetImmediateDataVal((unsigned int *)(cur + 0x60)) == 0x18
)
{
int loadedDataReg = GetLoadTargetReg((unsigned int *)(cur + 0x14));
int comparisonDataReg = GetComparisonTargetReg((unsigned int *)(cur + 0x48));
if (found_opcode_chain_P2P_v1) {
*(int *)(cur + 0x14) = (0x88010011 | (comparisonDataReg << 21));
*(int *)(cur + 0x18) = (0x28000080 | (comparisonDataReg << 16));
*(int *)(cur + 0x24) = 0x41810064;
*(int *)(cur + 0x28) = 0x60000000;
*(int *)(cur + 0x2c) = 0x60000000;
*(int *)(cur + 0x34) = (0x3C005A00 | (comparisonDataReg << 21));
*(int *)(cur + 0x48) = (0x7C000000 | (comparisonDataReg << 16) | (loadedDataReg << 11));
successful_patch_p2p++;
}
if (found_opcode_chain_P2P_v2) {
loadedDataReg = 12;
*(int *)(cur + 0x14) = (0x88010011 | (comparisonDataReg << 21));
*(int *)(cur + 0x18) = (0x28000080 | (comparisonDataReg << 16));
*(int *)(cur + 0x1c) = 0x41810070;
*(int *)(cur + 0x24) = *(int *)(cur + 0x28);
*(int *)(cur + 0x28) = (0x8001000c | (loadedDataReg << 21));
*(int *)(cur + 0x2c) = (0x3C005A00 | (comparisonDataReg << 21));
*(int *)(cur + 0x34) = (0x7c000000 | (comparisonDataReg << 16) | (loadedDataReg << 11));
*(int *)(cur + 0x48) = 0x60000000;
successful_patch_p2p++;
}
}
}
else if (found_opcode_chain_MASTER) {
if (
GetImmediateDataVal((unsigned int *)(MASTERopcodeChainOffset + 0x10)) == 0x12 &&
GetImmediateDataVal((unsigned int *)(MASTERopcodeChainOffset + 0x2c)) == 0x04 &&
GetImmediateDataVal((unsigned int *)(MASTERopcodeChainOffset + 0x48)) == 0x18 &&
GetImmediateDataVal((unsigned int *)(MASTERopcodeChainOffset + 0x50)) == 0x00 &&
GetImmediateDataVal((unsigned int *)(MASTERopcodeChainOffset + 0x54)) == 0x18
)
{
int master_patch_version = 0;
// Check which version we have:
if ((GetImmediateDataVal((unsigned int *)(MASTERopcodeChainOffset + 0x3c)) == 0x12 &&
GetImmediateDataVal((unsigned int *)(MASTERopcodeChainOffset + 0x44)) == 0x0c) ) {
master_patch_version = 1;
}
else if ((GetImmediateDataVal((unsigned int *)(MASTERopcodeChainOffset + 0x3c)) == 0x0c &&
GetImmediateDataVal((unsigned int *)(MASTERopcodeChainOffset + 0x44)) == 0x12) ) {
master_patch_version = 2;
}
if (master_patch_version == 2) {
// Different opcode order ...
*(int *)(MASTERopcodeChainOffset + 0x3c) = *(int *)(MASTERopcodeChainOffset + 0x44);
}
if (master_patch_version != 0) {
int rY = GetComparisonTargetReg((unsigned int *)MASTERopcodeChainOffset);
int rX = GetLoadTargetReg((unsigned int *)MASTERopcodeChainOffset);
*(int *)(MASTERopcodeChainOffset + 0x00) = 0x38000004 | (rX << 21);
*(int *)(MASTERopcodeChainOffset + 0x04) = 0x7c00042c | (rY << 21) | (3 << 16) | (rX << 11);
*(int *)(MASTERopcodeChainOffset + 0x14) = 0x9000000c | (rY << 21) | (1 << 16);
*(int *)(MASTERopcodeChainOffset + 0x18) = 0x88000011 | (rY << 21) | (1 << 16);
*(int *)(MASTERopcodeChainOffset + 0x28) = 0x28000080 | (rY << 16);
*(int *)(MASTERopcodeChainOffset + 0x38) = 0x60000000;
*(int *)(MASTERopcodeChainOffset + 0x44) = 0x41810014;
successful_patch_master++;
}
}
}
}
}
} while (++cur < end);
if (hasGT2Error) {
if (successful_patch_master == 0 || successful_patch_p2p == 0) {
return 2;
}
}
return 0;
}
u32 do_new_wiimmfi() {
// As of November 2018, Wiimmfi requires a special Wiimmfi patcher
@ -802,10 +1027,13 @@ u32 do_new_wiimmfi() {
// try to modify it without speaking to the Wiimmfi team because
// doing so could have unintended side effects.
// Updated in 2021 to add the 51420 error fix.
// check region:
char region = *((char *)(0x80000003));
char * patched;
void * patch1_offset, *patch2_offset, *patch3_offset;
void * errorfix_offset;
// define some offsets and variables depending on the region:
switch (region) {
@ -814,24 +1042,28 @@ u32 do_new_wiimmfi() {
patch1_offset = (void*)0x800ee3a0;
patch2_offset = (void*)0x801d4efc;
patch3_offset = (void*)0x801A72E0;
errorfix_offset = (void*)0x80658ce4;
break;
case 'E':
patched = (char*)0x80271d14;
patch1_offset = (void*)0x800ee300;
patch2_offset = (void*)0x801d4e5c;
patch3_offset = (void*)0x801A7240;
errorfix_offset = (void*)0x8065485c;
break;
case 'J':
patched = (char*)0x802759f4;
patch1_offset = (void*)0x800ee2c0;
patch2_offset = (void*)0x801d4e1c;
patch3_offset = (void*)0x801A7200;
errorfix_offset = (void*)0x80658360;
break;
case 'K':
patched = (char*)0x80263E34;
patch1_offset = (void*)0x800ee418;
patch2_offset = (void*)0x801d5258;
patch3_offset = (void*)0x801A763c;
errorfix_offset = (void*)0x80646ffc;
break;
default:
return -1;
@ -896,11 +1128,11 @@ u32 do_new_wiimmfi() {
break;
}
// Make some space on heap (0x400) for our custom code.
// Make some space on heap (0x500) for our custom code.
u32 old_heap_ptr = *(u32*)0x80003110;
*((u32*)0x80003110) = (old_heap_ptr - 0x400);
u32 heap_space = old_heap_ptr-0x400;
memset((void*)old_heap_ptr-0x400, 0xed, 0x400);
*((u32*)0x80003110) = (old_heap_ptr - 0x500);
u32 heap_space = old_heap_ptr-0x500;
memset((void*)old_heap_ptr-0x500, 0xed, 0x500);
// Binary blobs with Wiimmfi patches. Do not modify.
// Provided by Leseratte on 2018-12-14.
@ -958,6 +1190,26 @@ u32 do_new_wiimmfi() {
0x92F26CF2, 0x00000000, 0x00000000, 0x00000000,
0x00000000, 0x00000000, 0x00000000, 0x00000000};
// Fix for error 51420:
int patchCodeFix51420[] = {
0x4800000d, 0x00000000,
0x00000000, 0x7cc803a6,
0x80860000, 0x7c041800,
0x4182004c, 0x80a60004,
0x38a50001, 0x2c050003,
0x4182003c, 0x90a60004,
0x90660000, 0x38610010,
0x3ca08066, 0x38a58418,
0x3c808066, 0x38848498,
0x90a10010, 0x90810014,
0x3ce08066, 0x38e78ce4,
0x38e7fef0, 0x7ce903a6,
0x4e800420, 0x3c80801d,
0x388415f4, 0x7c8803a6,
0x4e800021, 0x00000000
};
// Prepare patching process ....
int i = 3;
int idx = 0;
@ -977,6 +1229,15 @@ u32 do_new_wiimmfi() {
binary[185] = 0x61295C74;
binary[189] = 0x61295D40;
binary[198] = 0x61086F5C;
patchCodeFix51420[14] = 0x3ca08065;
patchCodeFix51420[15] = 0x38a53f90;
patchCodeFix51420[16] = 0x3c808065;
patchCodeFix51420[17] = 0x38844010;
patchCodeFix51420[20] = 0x3ce08065;
patchCodeFix51420[21] = 0x38e7485c;
patchCodeFix51420[26] = 0x38841554;
break;
case 'J':
binary[29] = binary[70];
@ -985,6 +1246,15 @@ u32 do_new_wiimmfi() {
binary[185] = 0x612997CC;
binary[189] = 0x61299898;
binary[198] = 0x61086F1C;
patchCodeFix51420[14] = 0x3ca08065;
patchCodeFix51420[15] = 0x38a57a84;
patchCodeFix51420[16] = 0x3c808065;
patchCodeFix51420[17] = 0x38847b04;
patchCodeFix51420[20] = 0x3ce08065;
patchCodeFix51420[21] = 0x38e78350;
patchCodeFix51420[26] = 0x38841514;
break;
case 'K':
binary[6] = binary[73];
@ -1001,6 +1271,15 @@ u32 do_new_wiimmfi() {
binary[188] = 0x3D208088;
binary[189] = 0x61298B58;
binary[198] = 0x61087358;
patchCodeFix51420[14] = 0x3ca08064;
patchCodeFix51420[15] = 0x38a56730;
patchCodeFix51420[16] = 0x3c808064;
patchCodeFix51420[17] = 0x388467b0;
patchCodeFix51420[20] = 0x3ce08064;
patchCodeFix51420[21] = 0x38e76ffc;
patchCodeFix51420[26] = 0x38841950;
break;
}
@ -1020,6 +1299,12 @@ u32 do_new_wiimmfi() {
*((u32*)code_offset_4) = 0x48000000 + (((u32)(patch2_offset + 4) - ((u32)(code_offset_4))) & 0x3ffffff);
*((u32*)patch3_offset) = 0x48000000 + (((u32)(code_offset_5) - ((u32)(patch3_offset))) & 0x3ffffff);
// Add the 51420 fix:
memcpy((void*)heap_space + 0x400, (void*)patchCodeFix51420, 0x78);
*((u32*)errorfix_offset) = 0x48000000 + (((u32)(heap_space + 0x400) - ((u32)(errorfix_offset))) & 0x3ffffff);
*((u32*)heap_space + 0x400 + 0x74) = 0x48000000 + (((u32)(errorfix_offset + 4) - ((u32)(heap_space + 0x400 + 0x74))) & 0x3ffffff);
// Patches successfully installed
// returns 0 when all patching is done and game is ready to be booted.
return 0;

1
resources/wiiflow_game_booter/source/patchcode.h
View File

@ -42,6 +42,7 @@ s32 BlockIOSReload(void);
void PatchRegion(void *Address, int Size);
void PatchFix480p();
u32 do_new_wiimmfi();
u32 do_new_wiimmfi_nonMKWii();
void PrivateServerPatcher(void *addr, u32 len, u8 private_server);
void domainpatcher(void *addr, u32 len, const char* domain);