Пример #1
0
// patchmodule - Patches all imports listed in the supplied patch table, and
//   which are imported by the specified module, through to their respective
//   replacement functions.
//
//   Note: If the specified module does not import any of the functions listed
//     in the patch table, then nothing is changed for the specified module.
//
//  - importmodule (IN): Handle (base address) of the target module which is to
//      have its imports patched.
//
//  - patchtable (IN): An array of patchentry_t structures specifying all of the
//      imports to patch for the specified module.
//
//  - tablesize (IN): Size, in entries, of the specified patch table.
//
//  Return Value:
//
//    Returns TRUE if at least one of the patches listed in the patch table was
//    installed in the importmodule. Otherwise returns FALSE.
//
BOOL patchmodule (HMODULE importmodule, moduleentry_t patchtable [], UINT tablesize)
{
    moduleentry_t *entry;
    UINT          index;
    BOOL          patched = FALSE;

    // Loop through the import patch table, individually patching each import
    // listed in the table.
    for (index = 0; index < tablesize; index++) {
        entry = &patchtable[index];
        if (patchimport(importmodule, entry) == TRUE) {
            patched = TRUE;
        }
    }

    return patched;
}
Пример #2
0
// patchmodule - Patches all imports listed in the supplied patch table, and
//   which are imported by the specified module, through to their respective
//   replacement functions.
//
//   Note: If the specified module does not import any of the functions listed
//     in the patch table, then nothing is changed for the specified module.
//
//  - importmodule (IN): Handle (base address) of the target module which is to
//      have its imports patched.
//
//  - patchtable (IN): An array of patchentry_t structures specifying all of the
//      imports to patch for the specified module.
//
//  - tablesize (IN): Size, in entries, of the specified patch table.
//
//  Return Value:
//
//    Returns TRUE if at least one of the patches listed in the patch table was
//    installed in the importmodule. Otherwise returns FALSE.
//
BOOL patchmodule (HMODULE importmodule, patchentry_t patchtable [], UINT tablesize)
{
    patchentry_t *entry;
    UINT          index;
    BOOL          patched = FALSE;

    // Loop through the import patch table, individually patching each import
    // listed in the table.
    for (index = 0; index < tablesize; index++) {
        entry = &patchtable[index];
        if (patchimport(importmodule, (HMODULE)entry->modulebase, entry->exportmodulename, entry->importname,
                        entry->replacement) == TRUE) {
            patched = TRUE;
        }
    }

    return patched;
}