Do things properly
This commit is contained in:
Aurora
parent
1cc64a0fbc
commit
594881c6ce
@ -7,17 +7,15 @@
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static CFWInfo info;
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static void patchMemory(u8 *start, u32 size, const void *pattern, u32 patSize, int offset, const void *replace, u32 repSize, u32 count)
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static u32 patchMemory(u8 *start, u32 size, const void *pattern, u32 patSize, int offset, const void *replace, u32 repSize, u32 count)
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{
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for(u32 i = 0; i < count; i++)
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u32 i;
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for(i = 0; i < count; i++)
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{
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u8 *found = memsearch(start, pattern, size, patSize);
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if(found == NULL)
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{
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if(!i) svcBreak(USERBREAK_ASSERT);
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break;
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}
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if(found == NULL) break;
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memcpy(found + offset, replace, repSize);
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@ -28,6 +26,8 @@ static void patchMemory(u8 *start, u32 size, const void *pattern, u32 patSize, i
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size -= at + patSize;
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start = found + patSize;
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}
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return i;
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}
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static Result fileOpen(IFile *file, FS_ArchiveID archiveId, const char *path, int flags)
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@ -327,6 +327,7 @@ static inline void patchCfgGetRegion(u8 *code, u32 size, u8 regionId, u32 CFGUHa
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void patchCode(u64 progId, u16 progVer, u8 *code, u32 size)
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{
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loadCFWInfo();
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u32 res = 0;
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if(((progId == 0x0004003000008F02LL || //USA Home Menu
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progId == 0x0004003000008202LL || //JPN Home Menu
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@ -337,36 +338,36 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size)
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progId == 0x000400300000A102LL || //CHN Home Menu
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progId == 0x000400300000B102LL) //TWN Home Menu
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{
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static const u8 regionFreePattern[] = {
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static const u8 pattern[] = {
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0x0A, 0x0C, 0x00, 0x10
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},
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regionFreePatch[] = {
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patch[] = {
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0x01, 0x00, 0xA0, 0xE3, 0x1E, 0xFF, 0x2F, 0xE1
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};
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//Patch SMDH region checks
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patchMemory(code, size,
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regionFreePattern,
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sizeof(regionFreePattern), -31,
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regionFreePatch,
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sizeof(regionFreePatch), 1
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);
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if(!patchMemory(code, size,
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pattern,
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sizeof(pattern), -31,
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patch,
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sizeof(patch), 1
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)) res++;
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}
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else if(progId == 0x0004013000003202LL) //FRIENDS
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{
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static const u8 fpdVerPattern[] = {
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static const u8 pattern[] = {
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0x42, 0xE0, 0x1E, 0xFF
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};
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u8 mostRecentFpdVer = 8;
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u8 *off = memsearch(code, fpdVerPattern, size, sizeof(fpdVerPattern));
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u8 *off = memsearch(code, pattern, size, sizeof(pattern));
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if(off == NULL) svcBreak(USERBREAK_ASSERT);
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if(off == NULL) res++;
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//Allow online access to work with old friends modules
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if(off[0xA] < mostRecentFpdVer) off[0xA] = mostRecentFpdVer;
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else if(off[0xA] < mostRecentFpdVer) off[0xA] = mostRecentFpdVer;
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}
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else if((progId == 0x0004001000021000LL || //USA MSET
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@ -377,18 +378,18 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size)
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progId == 0x0004001000028000LL) //TWN MSET
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&& CONFIG(PATCHVERSTRING))
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{
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static const u16 verPattern[] = u"Ve";
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static u16 *verString;
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u32 verStringSize = 0,
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static const u16 pattern[] = u"Ve";
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static u16 *patch;
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u32 patchSize = 0,
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currentNand = BOOTCFG_NAND;
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u16 customVerString[19];
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loadCustomVerString(customVerString, &verStringSize, currentNand);
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loadCustomVerString(customVerString, &patchSize, currentNand);
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if(verStringSize != 0) verString = customVerString;
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if(patchSize != 0) patch = customVerString;
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else
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{
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verStringSize = 8;
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patchSize = 8;
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u32 currentFirm = BOOTCFG_FIRM;
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static u16 *verStringsNands[] = { u" Sys",
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@ -407,37 +408,39 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size)
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u"SyE3",
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u"SyE4" };
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verString = (currentFirm != 0) == (currentNand != 0) ? verStringsNands[currentNand] :
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patch = (currentFirm != 0) == (currentNand != 0) ? verStringsNands[currentNand] :
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(!currentNand ? verStringsSysEmu[currentFirm - 1] : verStringsEmuSys[currentNand - 1]);
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}
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//Patch Ver. string
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patchMemory(code, size,
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verPattern,
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sizeof(verPattern) - 2, 0,
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verString,
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verStringSize, 1
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);
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if(!patchMemory(code, size,
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pattern,
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sizeof(pattern) - 2, 0,
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patch,
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patchSize, 1
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)) res++;
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}
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else if(progId == 0x0004013000008002LL) //NS
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{
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if(progVer > 4)
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{
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static const u8 stopCartUpdatesPattern[] = {
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static const u8 pattern[] = {
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0x0C, 0x18, 0xE1, 0xD8
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},
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stopCartUpdatesPatch[] = {
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patch[] = {
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0x0B, 0x18, 0x21, 0xC8
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};
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//Disable updates from foreign carts (makes carts region-free)
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patchMemory(code, size,
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stopCartUpdatesPattern,
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sizeof(stopCartUpdatesPattern), 0,
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stopCartUpdatesPatch,
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sizeof(stopCartUpdatesPatch), 2
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u32 ret = patchMemory(code, size,
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pattern,
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sizeof(pattern), 0,
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patch,
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sizeof(patch), 2
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);
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if(ret == 0 || (ret == 1 && progVer > 0xB)) res++;
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}
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if(LOADERFLAG(ISN3DS))
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@ -452,112 +455,114 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size)
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u32 *off = (u32 *)memsearch(code, cfgN3dsCpuPattern, size, sizeof(cfgN3dsCpuPattern));
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if(off == NULL) svcBreak(USERBREAK_ASSERT);
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if(off == NULL) res++;
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else
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{
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//Patch N3DS CPU Clock and L2 cache setting
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*(off - 4) = 0xE1A00000;
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*(off + 3) = 0xE3A00000 | cpuSetting;
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}
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}
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}
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}
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else if(progId == 0x0004013000001702LL) //CFG
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{
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static const u8 secureinfoSigCheckPattern[] = {
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static const u8 pattern[] = {
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0x06, 0x46, 0x10, 0x48
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},
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secureinfoSigCheckPatch[] = {
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patch[] = {
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0x00, 0x26
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};
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//Disable SecureInfo signature check
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patchMemory(code, size,
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secureinfoSigCheckPattern,
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sizeof(secureinfoSigCheckPattern), 0,
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secureinfoSigCheckPatch,
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sizeof(secureinfoSigCheckPatch), 1
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);
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if(!patchMemory(code, size,
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pattern,
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sizeof(pattern), 0,
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patch,
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sizeof(patch), 1
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)) res++;
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if(secureInfoExists())
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{
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static const u16 secureinfoFilenamePattern[] = u"SecureInfo_",
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secureinfoFilenamePatch[] = u"C";
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static const u16 pattern[] = u"Sec",
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patch[] = u"C";
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//Use SecureInfo_C
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patchMemory(code, size,
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secureinfoFilenamePattern,
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sizeof(secureinfoFilenamePattern) - 2,
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sizeof(secureinfoFilenamePattern) - 2,
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secureinfoFilenamePatch,
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sizeof(secureinfoFilenamePatch) - 2, 2
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);
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if(patchMemory(code, size,
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pattern,
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sizeof(pattern) - 2, 22,
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patch,
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sizeof(patch) - 2, 2
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) != 2) res++;
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}
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}
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else if(progId == 0x0004013000003702LL && progVer > 0) //RO
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{
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static const u8 sigCheckPattern[] = {
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static const u8 pattern[] = {
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0x20, 0xA0, 0xE1, 0x8B
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},
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sha256ChecksPattern1[] = {
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pattern2[] = {
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0xE1, 0x30, 0x40, 0x2D
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},
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sha256ChecksPattern2[] = {
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pattern3[] = {
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0x2D, 0xE9, 0x01, 0x70
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},
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stub[] = {
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patch[] = {
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0x00, 0x00, 0xA0, 0xE3, 0x1E, 0xFF, 0x2F, 0xE1 //mov r0, #0; bx lr
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};
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//Disable CRR0 signature (RSA2048 with SHA256) check
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patchMemory(code, size,
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sigCheckPattern,
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sizeof(sigCheckPattern), -9,
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stub,
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sizeof(stub), 1
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);
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if(!patchMemory(code, size,
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pattern,
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sizeof(pattern), -9,
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patch,
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sizeof(patch), 1
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)) res++;
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//Disable CRO0/CRR0 SHA256 hash checks (section hashes, and hash table)
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patchMemory(code, size,
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sha256ChecksPattern1,
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sizeof(sha256ChecksPattern1), 1,
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stub,
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sizeof(stub), 1
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);
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if(!patchMemory(code, size,
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pattern2,
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sizeof(pattern2), 1,
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patch,
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sizeof(patch), 1
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)) res++;
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patchMemory(code, size,
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sha256ChecksPattern2,
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sizeof(sha256ChecksPattern2), -2,
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stub,
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sizeof(stub), 1
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);
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if(!patchMemory(code, size,
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pattern3,
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sizeof(pattern3), -2,
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patch,
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sizeof(patch), 1
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)) res++;
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}
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else if(progId == 0x0004003000008A02LL && MULTICONFIG(DEVOPTIONS) == 1) //ErrDisp
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{
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static const u8 unitinfoCheckPattern1[] = {
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static const u8 pattern[] = {
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0x00, 0xD0, 0xE5, 0xDB
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},
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unitinfoCheckPattern2[] = {
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pattern2[] = {
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0x14, 0x00, 0xD0, 0xE5, 0x01
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},
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unitinfoCheckPatch[] = {
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patch[] = {
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0x00, 0x00, 0xA0, 0xE3
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};
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patchMemory(code, size,
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unitinfoCheckPattern1,
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sizeof(unitinfoCheckPattern1), -1,
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unitinfoCheckPatch,
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sizeof(unitinfoCheckPatch), 1
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);
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//Patch UNITINFO checks to make ErrDisp more verbose
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if(!patchMemory(code, size,
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pattern,
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sizeof(pattern), -1,
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patch,
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sizeof(patch), 1
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)) res++;
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patchMemory(code, size,
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unitinfoCheckPattern2,
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sizeof(unitinfoCheckPattern2), 0,
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unitinfoCheckPatch,
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sizeof(unitinfoCheckPatch), 3
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);
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if(patchMemory(code, size,
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pattern2,
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sizeof(pattern2), 0,
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patch,
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sizeof(patch), 3
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) != 3) res++;
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}
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else if(CONFIG(USELANGEMUANDCODE) && (u32)((progId & 0xFFFFFFF000000000LL) >> 0x24) == 0x0004000)
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@ -575,11 +580,14 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size)
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u32 CFGUHandleOffset;
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u8 *CFGU_GetConfigInfoBlk2_endPos = getCfgOffsets(code, size, &CFGUHandleOffset);
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if(CFGU_GetConfigInfoBlk2_endPos != NULL)
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if(CFGU_GetConfigInfoBlk2_endPos == NULL) res++;
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else
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{
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if(languageId != 0xFF) patchCfgGetLanguage(code, size, languageId, CFGU_GetConfigInfoBlk2_endPos);
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if(regionId != 0xFF) patchCfgGetRegion(code, size, regionId, CFGUHandleOffset);
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}
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}
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}
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if(res != 0) svcBreak(USERBREAK_ASSERT);
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}
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