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TitanEngine
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changed FindEx to use MemoryReadSafe, see #32

This commit is contained in:
Johann Kempter 2014-03-14 08:16:46 +01:00
parent 12ae6dcb9d
commit 1ca83942f6
1 changed files with 9 additions and 2 deletions
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11
TitanEngine/TitanEngine.Debugger.Memory.cpp
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@ -62,6 +62,7 @@ __declspec(dllexport) bool TITCALL MatchPatternEx(HANDLE hProcess, void* MemoryT
return true; return true;
} }
__declspec(dllexport) bool TITCALL MatchPattern(void* MemoryToCheck, int SizeOfMemoryToCheck, void* PatternToMatch, int SizeOfPatternToMatch, PBYTE WildCard) __declspec(dllexport) bool TITCALL MatchPattern(void* MemoryToCheck, int SizeOfMemoryToCheck, void* PatternToMatch, int SizeOfPatternToMatch, PBYTE WildCard)
{ {
@ -74,6 +75,7 @@ __declspec(dllexport) bool TITCALL MatchPattern(void* MemoryToCheck, int SizeOfM
return(MatchPatternEx(GetCurrentProcess(), MemoryToCheck, SizeOfMemoryToCheck, PatternToMatch, SizeOfPatternToMatch, WildCard)); return(MatchPatternEx(GetCurrentProcess(), MemoryToCheck, SizeOfMemoryToCheck, PatternToMatch, SizeOfPatternToMatch, WildCard));
} }
} }
__declspec(dllexport) long long TITCALL FindEx(HANDLE hProcess, LPVOID MemoryStart, DWORD MemorySize, LPVOID SearchPattern, DWORD PatternSize, LPBYTE WildCard) __declspec(dllexport) long long TITCALL FindEx(HANDLE hProcess, LPVOID MemoryStart, DWORD MemorySize, LPVOID SearchPattern, DWORD PatternSize, LPBYTE WildCard)
{ {
if(!hProcess || !MemoryStart ||!MemorySize || !SearchPattern || !PatternSize) if(!hProcess || !MemoryStart ||!MemorySize || !SearchPattern || !PatternSize)
@ -98,14 +100,14 @@ __declspec(dllexport) long long TITCALL FindEx(HANDLE hProcess, LPVOID MemorySta
if(hProcess != GetCurrentProcess()) if(hProcess != GetCurrentProcess())
{ {
ueReadBuffer = ueReadBuf.Allocate(MemorySize); ueReadBuffer = ueReadBuf.Allocate(MemorySize);
if(ueReadBuffer && !ReadProcessMemory(hProcess, MemoryStart, ueReadBuffer, MemorySize, &ueNumberOfBytesRead)) if(ueReadBuffer && !MemoryReadSafe(hProcess, MemoryStart, ueReadBuffer, MemorySize, &ueNumberOfBytesRead))
{ {
if(ueNumberOfBytesRead == NULL) if(ueNumberOfBytesRead == NULL)
{ {
if(VirtualQueryEx(hProcess, MemoryStart, &memoryInformation, sizeof memoryInformation) != NULL) if(VirtualQueryEx(hProcess, MemoryStart, &memoryInformation, sizeof memoryInformation) != NULL)
{ {
MemorySize = (DWORD)((ULONG_PTR)memoryInformation.BaseAddress + memoryInformation.RegionSize - (ULONG_PTR)MemoryStart); MemorySize = (DWORD)((ULONG_PTR)memoryInformation.BaseAddress + memoryInformation.RegionSize - (ULONG_PTR)MemoryStart);
if(!ReadProcessMemory(hProcess, MemoryStart, ueReadBuffer, MemorySize, &ueNumberOfBytesRead)) if(!MemoryReadSafe(hProcess, MemoryStart, ueReadBuffer, MemorySize, &ueNumberOfBytesRead))
{ {
return 0; return 0;
} }
@ -186,6 +188,7 @@ __declspec(dllexport) bool TITCALL FillEx(HANDLE hProcess, LPVOID MemoryStart, D
} }
return false; return false;
} }
__declspec(dllexport) bool TITCALL Fill(LPVOID MemoryStart, DWORD MemorySize, PBYTE FillByte) __declspec(dllexport) bool TITCALL Fill(LPVOID MemoryStart, DWORD MemorySize, PBYTE FillByte)
{ {
@ -198,6 +201,7 @@ __declspec(dllexport) bool TITCALL Fill(LPVOID MemoryStart, DWORD MemorySize, PB
return(FillEx(GetCurrentProcess(), MemoryStart, MemorySize, FillByte)); return(FillEx(GetCurrentProcess(), MemoryStart, MemorySize, FillByte));
} }
} }
__declspec(dllexport) bool TITCALL PatchEx(HANDLE hProcess, LPVOID MemoryStart, DWORD MemorySize, LPVOID ReplacePattern, DWORD ReplaceSize, bool AppendNOP, bool PrependNOP) __declspec(dllexport) bool TITCALL PatchEx(HANDLE hProcess, LPVOID MemoryStart, DWORD MemorySize, LPVOID ReplacePattern, DWORD ReplaceSize, bool AppendNOP, bool PrependNOP)
{ {
@ -251,6 +255,7 @@ __declspec(dllexport) bool TITCALL PatchEx(HANDLE hProcess, LPVOID MemoryStart,
} }
return false; return false;
} }
__declspec(dllexport) bool TITCALL Patch(LPVOID MemoryStart, DWORD MemorySize, LPVOID ReplacePattern, DWORD ReplaceSize, bool AppendNOP, bool PrependNOP) __declspec(dllexport) bool TITCALL Patch(LPVOID MemoryStart, DWORD MemorySize, LPVOID ReplacePattern, DWORD ReplaceSize, bool AppendNOP, bool PrependNOP)
{ {
@ -263,6 +268,7 @@ __declspec(dllexport) bool TITCALL Patch(LPVOID MemoryStart, DWORD MemorySize, L
return(PatchEx(GetCurrentProcess(), MemoryStart, MemorySize, ReplacePattern, ReplaceSize, AppendNOP, PrependNOP)); return(PatchEx(GetCurrentProcess(), MemoryStart, MemorySize, ReplacePattern, ReplaceSize, AppendNOP, PrependNOP));
} }
} }
__declspec(dllexport) bool TITCALL ReplaceEx(HANDLE hProcess, LPVOID MemoryStart, DWORD MemorySize, LPVOID SearchPattern, DWORD PatternSize, DWORD NumberOfRepetitions, LPVOID ReplacePattern, DWORD ReplaceSize, PBYTE WildCard) __declspec(dllexport) bool TITCALL ReplaceEx(HANDLE hProcess, LPVOID MemoryStart, DWORD MemorySize, LPVOID SearchPattern, DWORD PatternSize, DWORD NumberOfRepetitions, LPVOID ReplacePattern, DWORD ReplaceSize, PBYTE WildCard)
{ {
@ -303,6 +309,7 @@ __declspec(dllexport) bool TITCALL ReplaceEx(HANDLE hProcess, LPVOID MemoryStart
return true; return true;
} }
} }
__declspec(dllexport) bool TITCALL Replace(LPVOID MemoryStart, DWORD MemorySize, LPVOID SearchPattern, DWORD PatternSize, DWORD NumberOfRepetitions, LPVOID ReplacePattern, DWORD ReplaceSize, PBYTE WildCard) __declspec(dllexport) bool TITCALL Replace(LPVOID MemoryStart, DWORD MemorySize, LPVOID SearchPattern, DWORD PatternSize, DWORD NumberOfRepetitions, LPVOID ReplacePattern, DWORD ReplaceSize, PBYTE WildCard)
{ {