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Make loader search for patterns in just the appropriate code.bin segment, tentatively fix compatibility with Daigasso updates

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This commit is contained in:
Aurora Wright 2017-04-17 02:14:17 +02:00
parent 653e81c48e
commit 108e8a0cd4
3 changed files with 28 additions and 28 deletions
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2
injector/source/loader.c
View File

@ -158,7 +158,7 @@ static Result load_code(u64 progid, prog_addrs_t *shared, u64 prog_handle, int i
u16 progver = g_exheader.codesetinfo.flags.remasterversion[0] | (g_exheader.codesetinfo.flags.remasterversion[1] << 8);
// patch
patchCode(progid, progver, (u8 *)shared->text_addr, shared->total_size << 12, g_exheader.codesetinfo.text.codesize);
patchCode(progid, progver, (u8 *)shared->text_addr, shared->total_size << 12, g_exheader.codesetinfo.text.codesize, g_exheader.codesetinfo.ro.codesize);
return 0;
}

52
injector/source/patcher.c
View File

@ -324,19 +324,19 @@ static inline bool findLayeredFsSymbols(u8* code, u32 size, u32 *fsMountArchive,
return false;
}
static inline bool findLayeredFsPayloadOffset(u8* code, u32 textSize, u32 *payloadOffset)
static inline bool findLayeredFsPayloadOffset(u8* code, u32 size, u32 *payloadOffset)
{
//First check for sufficient padding at the end of the .text segment
if(((textSize + 4095) & 0xfffff000) - textSize >= romfsredir_bin_size)
if(((size + 4095) & 0xfffff000) - size >= romfsredir_bin_size)
{
*payloadOffset = textSize;
*payloadOffset = size;
return true;
}
//If there isn't enough padding look for the "throwFatalError" function to replace
u32 svcConnectToPort = 0xFFFFFFFF;
for(u32 addr = 4; svcConnectToPort == 0xFFFFFFFF && addr <= textSize - 4; addr += 4)
for(u32 addr = 4; svcConnectToPort == 0xFFFFFFFF && addr <= size - 4; addr += 4)
{
if(*(u32 *)(code + addr) == 0xEF00002D)
svcConnectToPort = addr - 4;
@ -346,13 +346,13 @@ static inline bool findLayeredFsPayloadOffset(u8* code, u32 textSize, u32 *paylo
{
u32 func = 0xFFFFFFFF;
for(u32 i = 4; func == 0xFFFFFFFF && i <= textSize - 4; i += 4)
for(u32 i = 4; func == 0xFFFFFFFF && i <= size - 4; i += 4)
{
if(*(u32 *)(code + i) != MAKE_BRANCH_LINK(i, svcConnectToPort)) continue;
func = findFunctionStart(code, i);
for(u32 pos = func + 4; func != 0xFFFFFFFF && pos <= textSize - 4 && *(u16 *)(code + pos + 2) != 0xE92D; pos += 4)
for(u32 pos = func + 4; func != 0xFFFFFFFF && pos <= size - 4 && *(u16 *)(code + pos + 2) != 0xE92D; pos += 4)
if(*(u32 *)(code + pos) == 0xE200167E) func = 0xFFFFFFFF;
}
@ -508,7 +508,7 @@ exit:
return ret;
}
static inline bool patchLayeredFs(u64 progId, u8* code, u32 size, u32 textSize)
static inline bool patchLayeredFs(u64 progId, u8* code, u32 size)
{
/* Here we look for "/luma/titles/[u64 titleID in hex, uppercase]/romfs"
If it exists it should be a folder containing ROMFS files */
@ -529,7 +529,7 @@ static inline bool patchLayeredFs(u64 progId, u8* code, u32 size, u32 textSize)
payloadOffset;
if(!findLayeredFsSymbols(code, size, &fsMountArchive, &fsRegisterArchive, &fsTryOpenFile, &fsOpenFileDirectly) ||
!findLayeredFsPayloadOffset(code, textSize, &payloadOffset)) return false;
!findLayeredFsPayloadOffset(code, size, &payloadOffset)) return false;
//Setup the payload
u8 *payload = code + payloadOffset;
@ -579,7 +579,7 @@ static inline bool patchLayeredFs(u64 progId, u8* code, u32 size, u32 textSize)
return true;
}
void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize, u32 roSize)
{
loadCFWInfo();
@ -600,7 +600,7 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
};
//Patch SMDH region checks
if(!patchMemory(code, size,
if(!patchMemory(code, textSize,
pattern,
sizeof(pattern), -31,
patch,
@ -616,7 +616,7 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
u8 mostRecentFpdVer = 10;
u8 *off = memsearch(code, pattern, size, sizeof(pattern));
u8 *off = memsearch(code, pattern, textSize, sizeof(pattern));
if(off == NULL) goto error;
@ -667,7 +667,7 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
}
//Patch Ver. string
if(!patchMemory(code, size,
if(!patchMemory(code, textSize,
pattern,
sizeof(pattern) - 2, 0,
patch,
@ -687,7 +687,7 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
};
//Disable updates from foreign carts (makes carts region-free)
u32 ret = patchMemory(code, size,
u32 ret = patchMemory(code, textSize,
pattern,
sizeof(pattern), 0,
patch,
@ -707,7 +707,7 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
0x0C, 0x00, 0x94, 0x15
};
u32 *off = (u32 *)memsearch(code, pattern, size, sizeof(pattern));
u32 *off = (u32 *)memsearch(code, pattern, textSize, sizeof(pattern));
if(off == NULL) goto error;
@ -730,7 +730,7 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
};
//Disable SecureInfo signature check
if(!patchMemory(code, size,
if(!patchMemory(code, textSize,
pattern,
sizeof(pattern), 0,
patch,
@ -743,7 +743,7 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
patch[] = u"C";
//Use SecureInfo_C
if(patchMemory(code, size,
if(patchMemory(code + textSize, roSize,
pattern,
sizeof(pattern) - 2, 22,
patch,
@ -768,19 +768,19 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
};
//Disable CRR0 signature (RSA2048 with SHA256) check and CRO0/CRR0 SHA256 hash checks (section hashes, and hash table)
if(!patchMemory(code, size,
if(!patchMemory(code, textSize,
pattern,
sizeof(pattern), -9,
patch,
sizeof(patch), 1
) ||
!patchMemory(code, size,
!patchMemory(code, textSize,
pattern2,
sizeof(pattern2), 1,
patch,
sizeof(patch), 1
) ||
!patchMemory(code, size,
!patchMemory(code, textSize,
pattern3,
sizeof(pattern3), -2,
patch,
@ -801,13 +801,13 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
};
//Patch UNITINFO checks to make ErrDisp more verbose
if(!patchMemory(code, size,
if(!patchMemory(code, textSize,
pattern,
sizeof(pattern), -1,
patch,
sizeof(patch), 1
) ||
patchMemory(code, size,
patchMemory(code, textSize,
pattern2,
sizeof(pattern2), 0,
patch,
@ -825,7 +825,7 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
};
//Patch DLP region checks
if(!patchMemory(code, size,
if(!patchMemory(code, textSize,
pattern,
sizeof(pattern), 0,
patch,
@ -841,17 +841,17 @@ void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize)
if(!loadTitleCodeSection(progId, code, size) ||
!applyCodeIpsPatch(progId, code, size) ||
!loadTitleLocaleConfig(progId, &regionId, &languageId) ||
!patchLayeredFs(progId, code, size, textSize)) goto error;
!patchLayeredFs(progId, code, textSize)) goto error;
if(regionId != 0xFF)
{
u32 CFGUHandleOffset;
u8 *CFGU_GetConfigInfoBlk2_endPos = getCfgOffsets(code, size, &CFGUHandleOffset);
u8 *CFGU_GetConfigInfoBlk2_endPos = getCfgOffsets(code, textSize, &CFGUHandleOffset);
if(CFGU_GetConfigInfoBlk2_endPos == NULL ||
!patchCfgGetLanguage(code, size, languageId, CFGU_GetConfigInfoBlk2_endPos)) goto error;
!patchCfgGetLanguage(code, textSize, languageId, CFGU_GetConfigInfoBlk2_endPos)) goto error;
patchCfgGetRegion(code, size, regionId, CFGUHandleOffset);
patchCfgGetRegion(code, textSize, regionId, CFGUHandleOffset);
}
}

2
injector/source/patcher.h
View File

@ -44,4 +44,4 @@ enum flags
ISSAFEMODE
};
void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize);
void patchCode(u64 progId, u16 progVer, u8 *code, u32 size, u32 textSize, u32 roSize);