diff options
Diffstat (limited to 'NorthstarDLL/sigscanning.cpp')
-rw-r--r-- | NorthstarDLL/sigscanning.cpp | 41 |
1 files changed, 0 insertions, 41 deletions
diff --git a/NorthstarDLL/sigscanning.cpp b/NorthstarDLL/sigscanning.cpp deleted file mode 100644 index 618645e0..00000000 --- a/NorthstarDLL/sigscanning.cpp +++ /dev/null @@ -1,41 +0,0 @@ -#include "pch.h" -#include "sigscanning.h" -#include <map> - -// note: sigscanning is only really intended to be used for resolving stuff like shared function definitions -// we mostly use raw function addresses for stuff - -size_t GetModuleLength(HMODULE moduleHandle) -{ - // based on sigscan code from ttf2sdk, which is in turn based on CSigScan from https://wiki.alliedmods.net/Signature_Scanning - MEMORY_BASIC_INFORMATION mem; - VirtualQuery(moduleHandle, &mem, sizeof(mem)); - - IMAGE_DOS_HEADER* dos = (IMAGE_DOS_HEADER*)mem.AllocationBase; - IMAGE_NT_HEADERS* pe = (IMAGE_NT_HEADERS*)((unsigned char*)dos + dos->e_lfanew); - - return pe->OptionalHeader.SizeOfImage; -} - -void* FindSignature(std::string dllName, const char* sig, const char* mask) -{ - HMODULE module = GetModuleHandleA(dllName.c_str()); - - unsigned char* dllAddress = (unsigned char*)module; - unsigned char* dllEnd = dllAddress + GetModuleLength(module); - - size_t sigLength = strlen(mask); - - for (auto i = dllAddress; i < dllEnd - sigLength + 1; i++) - { - int j = 0; - for (; j < sigLength; j++) - if (mask[j] != '?' && sig[j] != i[j]) - break; - - if (j == sigLength) // loop finished of its own accord - return i; - } - - return nullptr; -} |