1211

2022-09-06 00:08:26 +08:00
parent e17ffc3965
commit 91d57c13f0
232 changed files with 191628 additions and 250 deletions
--- a/test/Detours/samples/simple_safe/simple_safe.cpp
+++ b/test/Detours/samples/simple_safe/simple_safe.cpp
@@ -0,0 +1,79 @@
+//////////////////////////////////////////////////////////////////////////////
+//
+//  Detours Test Program (simple_safe.cpp of simple_safe.dll)
+//
+//  Microsoft Research Detours Package
+//
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//
+//  This DLL will detour the Windows SleepEx API so that TimedSleep function
+//  gets called instead.  TimedSleepEx records the before and after times, and
+//  calls the real SleepEx API through the TrueSleepEx function pointer.
+//
+//  The difference between simple and simple_safe is that simple_safe
+//  uses the C++ 14 overloads which help prevent mismatching types.
+//
+#include <stdio.h>
+#include <windows.h>
+#include "detours.h"
+
+static LONG dwSlept = 0;
+static DWORD (WINAPI * TrueSleepEx)(DWORD dwMilliseconds, BOOL bAlertable) = SleepEx;
+
+DWORD WINAPI TimedSleepEx(DWORD dwMilliseconds, BOOL bAlertable)
+{
+    DWORD dwBeg = GetTickCount();
+    DWORD ret = TrueSleepEx(dwMilliseconds, bAlertable);
+    DWORD dwEnd = GetTickCount();
+
+    InterlockedExchangeAdd(&dwSlept, dwEnd - dwBeg);
+
+    return ret;
+}
+
+BOOL WINAPI DllMain(HINSTANCE hinst, DWORD dwReason, LPVOID reserved)
+{
+    LONG error;
+    (void)hinst;
+    (void)reserved;
+
+    if (DetourIsHelperProcess()) {
+        return TRUE;
+    }
+
+    if (dwReason == DLL_PROCESS_ATTACH) {
+        DetourRestoreAfterWith();
+
+        printf("simple_safe" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+               " Starting.\n");
+        fflush(stdout);
+
+        DetourTransactionBegin();
+        DetourUpdateThread(GetCurrentThread());
+        DetourAttach(&TrueSleepEx, TimedSleepEx);
+        error = DetourTransactionCommit();
+
+        if (error == NO_ERROR) {
+            printf("simple_safe" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+                   " Detoured SleepEx().\n");
+        }
+        else {
+            printf("simple_safe" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+                   " Error detouring SleepEx(): %ld\n", error);
+        }
+    }
+    else if (dwReason == DLL_PROCESS_DETACH) {
+        DetourTransactionBegin();
+        DetourUpdateThread(GetCurrentThread());
+        DetourDetach(&TrueSleepEx, TimedSleepEx);
+        error = DetourTransactionCommit();
+
+        printf("simple_safe" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+               " Removed SleepEx() (result=%ld), slept %ld ticks.\n", error, dwSlept);
+        fflush(stdout);
+    }
+    return TRUE;
+}
+
+//
+///////////////////////////////////////////////////////////////// End of File.