| 68 | } |
| 69 | |
| 70 | FARPROC PatchImportOld(char* sourceModule, char* importModule, LPCSTR name, void* patchFunction) |
| 71 | { |
| 72 | if ( !name ) |
| 73 | return NULL; |
| 74 | |
| 75 | HMODULE tempModule = GetModuleHandleA(sourceModule); |
| 76 | if ( !tempModule ) |
| 77 | return NULL; |
| 78 | |
| 79 | IMAGE_THUNK_DATA32* importOrigin = _GetImportsList(sourceModule, importModule); |
| 80 | if ( !importOrigin ) |
| 81 | return NULL; |
| 82 | |
| 83 | DWORD* importFunction = _GetFunctionsList(sourceModule, importModule); |
| 84 | if ( !importFunction ) |
| 85 | return NULL; |
| 86 | |
| 87 | for (u32 i = 0; importOrigin[i].u1.Ordinal != 0; i++) |
| 88 | { |
| 89 | if ((DWORD)name < 0xFFFF) |
| 90 | { |
| 91 | if (IMAGE_SNAP_BY_ORDINAL32(importOrigin[i].u1.Ordinal) && IMAGE_ORDINAL32(importOrigin[i].u1.Ordinal) == IMAGE_ORDINAL32((DWORD)name)) |
| 92 | { |
| 93 | FARPROC oldFxn = (FARPROC)importFunction[i]; |
| 94 | WriteMem(&importFunction[i], &patchFunction, 4); |
| 95 | return oldFxn; |
| 96 | } |
| 97 | } |
| 98 | else |
| 99 | { |
| 100 | #pragma warning(suppress: 6387) |
| 101 | if (_strcmpi(name, (const char*)((PIMAGE_IMPORT_BY_NAME)((u32)importOrigin[i].u1.AddressOfData + (u32)tempModule))->Name) == 0) |
| 102 | { |
| 103 | FARPROC oldFxn = (FARPROC)importFunction[i]; |
| 104 | WriteMem(&importFunction[i], &patchFunction, 4); |
| 105 | return oldFxn; |
| 106 | } |
| 107 | } |
| 108 | } |
| 109 | return NULL; |
| 110 | } |
| 111 | |
| 112 | FARPROC GetImport(char* importModule, LPCSTR name) |
| 113 | { |
no test coverage detected