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Rewrite RCE fix and 23400 fix

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This commit is contained in:
Florian Bach 2020-12-12 21:34:34 +00:00
parent c6d2efd765
commit c1e8ea5ca8
3 changed files with 83 additions and 119 deletions
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176
source/patches/patchcode.c
View File

@ -67,7 +67,6 @@ static const u32 wpadbuttonsdown2hooks[4] = {0x7D6B4A14, 0x800B0010, 0x7C030378,
static const u32 multidolhooks[4] = {0x7C0004AC, 0x4C00012C, 0x7FE903A6, 0x4E800420};
static const u32 multidolchanhooks[4] = {0x4200FFF4, 0x48000004, 0x38800000, 0x4E800020};
static const u32 langpatch[3] = {0x7C600775, 0x40820010, 0x38000000};
static const u8 GCT_Header[8] = {0x00, 0xD0, 0xC0, 0xDE, 0x00, 0xD0, 0xC0, 0xDE};
//---------------------------------------------------------------------------------
void dogamehooks(u32 hooktype, void *addr, u32 len)
@ -579,124 +578,91 @@ int LoadGameConfig(const char *CheatFilepath)
return 0;
}
int ocarina_patch_mkw(u8 *gameid)
int ocarina_patch(u8 *gameid)
{
// Thanks to Seeky for the gecko codes
u8 GCT_RCE_Patch[24] =
{
0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xFF,
0x20, 0x07, 0x00, 0x04, 0x00, 0x00, 0x00, 0x00,
0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// Thanks to Seeky for the MKWii gecko codes
// Thanks to InvoxiPlayGames for the gecko codes for the 23400 fix.
// Reimplemented by Leseratte without the need for a code handler.
switch (gameid[3])
{
case 'P':
GCT_RCE_Patch[1] = 0x89;
GCT_RCE_Patch[2] = 0xA1;
GCT_RCE_Patch[3] = 0x94;
break;
case 'E':
GCT_RCE_Patch[1] = 0x89;
GCT_RCE_Patch[2] = 0x5A;
GCT_RCE_Patch[3] = 0xC4;
break;
case 'J':
GCT_RCE_Patch[1] = 0x89;
GCT_RCE_Patch[2] = 0x92;
GCT_RCE_Patch[3] = 0xF4;
break;
case 'K':
GCT_RCE_Patch[1] = 0x88;
GCT_RCE_Patch[2] = 0x85;
GCT_RCE_Patch[3] = 0xCC;
break;
default:
return 0;
}
u32 * patch_addr = 0;
char * patched = 0;
if (code_buf != NULL)
{
gprintf("Loading %s with RCE patch & other cheats.\n", gameid);
code_buf = (u8 *)MEM2_realloc(code_buf, code_size + 16);
memcpy(code_buf + code_size - 8, GCT_RCE_Patch, sizeof(GCT_RCE_Patch));
code_size = code_size + 16;
}
else
{
// No cheats were loaded
gprintf("Loading %s with RCE patch.\n", gameid);
code_buf = (u8 *)MEM2_alloc(32);
if (code_buf)
{
memcpy(code_buf, GCT_Header, sizeof(GCT_Header));
memcpy(code_buf + 8, GCT_RCE_Patch, sizeof(GCT_RCE_Patch));
code_size = 32;
}
}
return code_size;
}
int ocarina_patch_games(u8 *gameid)
{
// Thanks to InvoxiPlayGames for the gecko codes
u8 GCT_Con_Patch[16] =
{
0x04, 0x00, 0x00, 0x00, 0x41, 0x41, 0x41, 0x41,
0xF0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
// Patch error 23400 for CoD (Black Ops, Reflex, MW3) and Rock Band 3 / The Beatles
if (memcmp(gameid, "SC7", 3) == 0)
{
GCT_Con_Patch[1] = 0x23;
GCT_Con_Patch[2] = 0xC9;
GCT_Con_Patch[3] = 0x54;
}
else if (memcmp(gameid, "RJA", 3) == 0)
{
GCT_Con_Patch[1] = 0x1B;
GCT_Con_Patch[2] = 0x83;
GCT_Con_Patch[3] = 0x8C;
}
else if (memcmp(gameid, "SM8", 3) == 0)
{
GCT_Con_Patch[1] = 0x23;
GCT_Con_Patch[2] = 0x8C;
GCT_Con_Patch[3] = 0x74;
}
else if (memcmp(gameid, "SZB", 3) == 0)
{
GCT_Con_Patch[1] = 0x8E;
GCT_Con_Patch[2] = 0x3B;
GCT_Con_Patch[3] = 0x20;
}
else if (memcmp(gameid, "R9J", 3) == 0)
{
GCT_Con_Patch[1] = 0x8D;
GCT_Con_Patch[2] = 0x69;
GCT_Con_Patch[3] = 0x34;
gprintf("Patching error 23400 for game %s\n", gameid);
*(u32 *)0x8023c954 = 0x41414141;
}
if (code_buf != NULL)
else if (memcmp(gameid, "RJA", 3) == 0)
{
gprintf("Loading %s with error 23400 patch & other cheats.\n", gameid);
code_buf = (u8 *)MEM2_realloc(code_buf, code_size + 8);
memcpy(code_buf + code_size - 8, GCT_Con_Patch, sizeof(GCT_Con_Patch));
code_size = code_size + 8;
gprintf("Patching error 23400 for game %s\n", gameid);
*(u32 *)0x801b838c = 0x41414141;
}
else
else if (memcmp(gameid, "SM8", 3) == 0)
{
// No cheats were loaded
gprintf("Loading %s with error 23400 patch.\n", gameid);
code_buf = (u8 *)MEM2_alloc(24);
if (code_buf)
gprintf("Patching error 23400 for game %s\n", gameid);
*(u32 *)0x80238c74 = 0x41414141;
}
else if (memcmp(gameid, "SZB", 3) == 0)
{
memcpy(code_buf, GCT_Header, sizeof(GCT_Header));
memcpy(code_buf + 8, GCT_Con_Patch, sizeof(GCT_Con_Patch));
code_size = 24;
gprintf("Patching error 23400 for game %s\n", gameid);
*(u32 *)0x808e3b20 = 0x41414141;
}
else if (memcmp(gameid, "R9J", 3) == 0)
{
gprintf("Patching error 23400 for game %s\n", gameid);
*(u32 *)0x808d6934 = 0x41414141;
}
// Patch RCE vulnerability in MKWii.
else if (memcmp(gameid, "RMC", 3) == 0)
{
switch (gameid[3]) {
case 'P':
patched = (char *)0x80276054;
patch_addr = (u32 *)0x8089a194;
break;
case 'E':
patched = (char *)0x80271d14;
patch_addr = (u32 *)0x80895ac4;
break;
case 'J':
patched = (char *)0x802759f4;
patch_addr = (u32 *)0x808992f4;
break;
case 'K':
patched = (char *)0x80263E34;
patch_addr = (u32 *)0x808885cc;
break;
default:
gprintf("NOT patching RCE vulnerability due to invalid game ID: %s\n", gameid);
return 0;
}
if (*patched != '*') {
gprintf("Game is already Wiimmfi-patched, don't apply the RCE fix\n");
}
else {
gprintf("Patching RCE vulnerability for game ID %s\n", gameid);
for (int i = 0; i < 7; i++) {
*patch_addr++ = 0xff;
}
}
return code_size;
}
return 0;
}
int ocarina_load_code(const char *CheatFilepath, u8 *gameid)

3
source/patches/patchcode.h
View File

@ -36,8 +36,7 @@ void langpatcher(void *addr, u32 len, u8 languageChoice);
void vidolpatcher(void *addr, u32 len);
void patchdebug(void *addr, u32 len);
int LoadGameConfig(const char *CheatFilepath);
int ocarina_patch_mkw(u8 *gameid);
int ocarina_patch_games(u8 *gameid);
int ocarina_patch(u8 *gameid);
int ocarina_load_code(const char *CheatFilepath, u8 *gameid);
#ifdef __cplusplus

19
source/usbloader/GameBooter.cpp
View File

@ -334,20 +334,11 @@ int GameBooter::BootGame(struct discHdr *gameHdr)
if (ocarinaChoice)
ocarina_load_code(Settings.Cheatcodespath, gameHeader.id);
//! Patch MKW RCE vulnerability
if (PrivServChoice != PRIVSERV_WIIMMFI && memcmp(gameHeader.id, "RMC", 3) == 0)
{
ocarinaChoice = 1;
ocarina_patch_mkw(gameHeader.id);
}
//! Patch error 23400 for a few games with dedicated servers
//! Disable private server for games that still have official servers.
if (memcmp(gameHeader.id, "SC7", 3) == 0 || memcmp(gameHeader.id, "RJA", 3) == 0 ||
memcmp(gameHeader.id, "SM8", 3) == 0 || memcmp(gameHeader.id, "SZB", 3) == 0 || memcmp(gameHeader.id, "R9J", 3) == 0)
{
ocarinaChoice = 1;
PrivServChoice = PRIVSERV_OFF; // Private server patching causes error 20100
ocarina_patch_games(gameHeader.id);
}
//! Force hooktype if not selected but Ocarina is enabled
@ -473,6 +464,14 @@ int GameBooter::BootGame(struct discHdr *gameHdr)
if(patchFix480pChoice)
PatchFix480p();
//! If we're NOT on Wiimmfi, patch the known RCE vulnerability in MKWii.
//! Wiimmfi will handle that on its own through the update payload.
//! This will also patch error 23400 for a couple games that still have official servers.
if (PrivServChoice != PRIVSERV_WIIMMFI)
{
ocarina_patch(gameHeader.id);
}
//! New Wiimmfi patch should be loaded last, after the codehandler, just before the call to the entry point
if (PrivServChoice == PRIVSERV_WIIMMFI && memcmp(gameHeader.id, "RMC", 3) == 0 )
{