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test/Detours/samples/comeasy/Makefile

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+##############################################################################
+##
+##  API Extension to Measure time slept.
+##
+##  Microsoft Research Detours Package
+##
+##  Copyright (c) Microsoft Corporation.  All rights reserved.
+##
+
+!include ..\common.mak
+
+LIBS=$(LIBS) kernel32.lib
+
+##############################################################################
+
+all: dirs \
+    $(BIND)\wrotei$(DETOURS_BITS).dll \
+    $(BIND)\comeasy.exe \
+!IF $(DETOURS_SOURCE_BROWSING)==1
+    $(OBJD)\wrotei$(DETOURS_BITS).bsc \
+    $(OBJD)\comeasy.bsc \
+!ENDIF
+    option
+
+##############################################################################
+
+clean:
+    -del $(BIND)\wrotei*.* 2>nul
+    -del $(BIND)\comeasy.* 2>nul
+    -del $(BIND)\wrotei.* *~ 2>nul
+    -rmdir /q /s $(OBJD) 2>nul
+
+realclean: clean
+    -rmdir /q /s $(OBJDS) 2>nul
+
+dirs:
+    @if not exist $(BIND) mkdir $(BIND) && echo.   Created $(BIND)
+    @if not exist $(OBJD) mkdir $(OBJD) && echo.   Created $(OBJD)
+
+##############################################################################
+
+$(OBJD)\wrotei.obj : wrotei.cpp
+
+$(OBJD)\wrotei.res : wrotei.rc
+
+$(BIND)\wrotei$(DETOURS_BITS).dll $(BIND)\wrotei$(DETOURS_BITS).lib: \
+        $(OBJD)\wrotei.obj $(OBJD)\wrotei.res $(DEPS)
+    cl /LD $(CFLAGS) /Fe$(@R).dll /Fd$(@R).pdb \
+        $(OBJD)\wrotei.obj $(OBJD)\wrotei.res \
+        /link $(LINKFLAGS) /subsystem:console \
+        /export:DetourFinishHelperProcess,@1,NONAME \
+        $(LIBS) ole32.lib
+
+$(OBJD)\wrotei$(DETOURS_BITS).bsc : $(OBJD)\wrotei.obj
+    bscmake /v /n /o $@ $(OBJD)\wrotei.sbr
+
+$(OBJD)\comeasy.obj : comeasy.cpp
+
+$(BIND)\comeasy.exe : $(OBJD)\comeasy.obj $(DEPS)
+    cl $(CFLAGS) /Fe$@ /Fd$(@R).pdb \
+        $(OBJD)\comeasy.obj \
+        /link $(LINKFLAGS) $(LIBS) ole32.lib \
+        /subsystem:console /fixed:no
+
+$(OBJD)\comeasy.bsc : $(OBJD)\comeasy.obj
+    bscmake /v /n /o $@ $(OBJD)\comeasy.sbr
+
+############################################### Install non-bit-size binaries.
+
+!IF "$(DETOURS_OPTION_PROCESSOR)" != ""
+
+$(OPTD)\wrotei$(DETOURS_OPTION_BITS).dll:
+$(OPTD)\wrotei$(DETOURS_OPTION_BITS).pdb:
+
+$(BIND)\wrotei$(DETOURS_OPTION_BITS).dll : $(OPTD)\wrotei$(DETOURS_OPTION_BITS).dll
+    @if exist $? copy /y $? $(BIND) >nul && echo $@ copied from $(DETOURS_OPTION_PROCESSOR).
+$(BIND)\wrotei$(DETOURS_OPTION_BITS).pdb : $(OPTD)\wrotei$(DETOURS_OPTION_BITS).pdb
+    @if exist $? copy /y $? $(BIND) >nul && echo $@ copied from $(DETOURS_OPTION_PROCESSOR).
+
+option: \
+    $(BIND)\wrotei$(DETOURS_OPTION_BITS).dll \
+    $(BIND)\wrotei$(DETOURS_OPTION_BITS).pdb \
+
+!ELSE
+
+option:
+
+!ENDIF
+
+##############################################################################
+
+test: all
+    @echo -------- Reseting test binaries to initial state. -----------------------
+    $(BIND)\setdll.exe -r $(BIND)\comeasy.exe
+    @echo.
+    @echo -------- Should not load slept$(DETOURS_BITS).dll --------------------------------------
+    $(BIND)\comeasy.exe
+    @echo.
+    @echo -------- Adding wrotei$(DETOURS_BITS).dll to comeasy.exe ------------------------------
+    $(BIND)\setdll.exe -d:$(BIND)\wrotei$(DETOURS_BITS).dll $(BIND)\comeasy.exe
+    @echo.
+    @echo -------- Should load wrotei$(DETOURS_BITS).dll ----------------------------------------
+    $(BIND)\comeasy.exe
+    @echo.
+    @echo -------- Removing wrotei$(DETOURS_BITS).dll from comeasy.exe --------------------------
+    $(BIND)\setdll.exe -r $(BIND)\comeasy.exe
+    @echo.
+    @echo -------- Should not load wrotei$(DETOURS_BITS).dll ------------------------------------
+    $(BIND)\comeasy.exe
+    @echo.
+    @echo -------- Should load wrotei$(DETOURS_BITS).dll dynamically using withdll.exe ----------
+    $(BIND)\withdll.exe -d:$(BIND)\wrotei$(DETOURS_BITS).dll $(BIND)\comeasy.exe
+    @echo.
+    @echo -------- Test completed. ------------------------------------------------
+
+################################################################# End of File.

test/Detours/samples/comeasy/comeasy.cpp

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+//////////////////////////////////////////////////////////////////////////////
+//
+//  Detour Test Program (comeasy.cpp of comeasy.exe)
+//
+//  Microsoft Research Detours Package
+//
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//
+
+#include <ole2.h>
+#include <windows.h>
+#include <stdio.h>
+
+//////////////////////////////////////////////////////////////////////////////
+//
+int __cdecl main(int argc, char **argv)
+{
+    HRESULT hr;
+
+    (void)argc;
+    (void)argv;
+
+    LPSTREAM pStream = NULL;
+    ULARGE_INTEGER ul;
+    LARGE_INTEGER li;
+
+    printf("comeasy.exe: Starting (at %p).\n", main);
+
+    CoInitialize(NULL);
+
+    hr = CreateStreamOnHGlobal(NULL, TRUE, &pStream);
+
+    ul.QuadPart = 512;
+    hr = pStream->SetSize(ul);
+
+    li.QuadPart = 0;
+    hr = pStream->Seek(li, STREAM_SEEK_SET, NULL);
+
+    printf("comeasy.exe: First write.\n");
+    fflush(stdout);
+
+    li.QuadPart = 0;
+    hr = pStream->Write(&ul, sizeof(ul), NULL);
+
+    printf("comeasy.exe: Second write.\n");
+    fflush(stdout);
+
+    li.QuadPart = 1;
+    hr = pStream->Write(&li, sizeof(li), NULL);
+
+    printf("comeasy.exe: Third write.\n");
+    fflush(stdout);
+
+    li.QuadPart = 2;
+    hr = pStream->Write(&li, sizeof(li), NULL);
+
+    pStream->Release();
+    pStream = NULL;
+
+    CoUninitialize();
+
+    printf("comeasy.exe: Exiting.\n\n");
+    fflush(stdout);
+
+    return 0;
+}
+
+//
+///////////////////////////////////////////////////////////////// End of File.

test/Detours/samples/comeasy/wrotei.cpp

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+//////////////////////////////////////////////////////////////////////////////
+//
+//  Detour Test Program (wrotei.cpp of wrotei.dll)
+//
+//  Microsoft Research Detours Package
+//
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//
+//  An example dynamically detouring a function.
+//
+#include <stdio.h>
+
+//////////////////////////////////////////////////////////////////////////////
+//
+//  WARNING:
+//
+//  CINTERFACE must be defined so that the lpVtbl pointer is visible
+//  on COM interfaces.  However, once we've defined it, we must use
+//  coding conventions when accessing interface members, for example:
+//      i->lpVtbl->Write
+//  instead of the C++ syntax:
+//      i->Write.
+//  We must also pass the implicit "this" parameter explicitly:
+//      i->lpVtbl->Write(i, pb, 0, NULL)
+//  instead of the C++ syntax:
+//      i->Write(pb, 0, NULL)
+//
+#define CINTERFACE
+#include <ole2.h>
+#include <windows.h>
+#include <detours.h>
+
+//////////////////////////////////////////////////////////////////////////////
+//
+LONG dwWrote = 0;
+
+static int (WINAPI * TrueEntryPoint)(VOID) = NULL;
+static int (WINAPI * RawEntryPoint)(VOID) = NULL;
+
+//////////////////////////////////////////////////////////////////////////////
+//
+HRESULT (STDMETHODCALLTYPE *RealIStreamWrite)(IStream * This,
+                                              const void *pv,
+                                              ULONG cb,
+                                              ULONG *pcbWritten) = NULL;
+
+HRESULT STDMETHODCALLTYPE MineIStreamWrite(IStream * This,
+                                           const void *pv,
+                                           ULONG cb,
+                                           ULONG *pcbWritten)
+{
+    HRESULT hr;
+    ULONG cbWritten = 0;
+    if (pcbWritten == NULL) {
+        pcbWritten = &cbWritten;
+    }
+
+    hr = RealIStreamWrite(This, pv, cb, pcbWritten);
+
+    for (;;) {
+        LONG dwOld = dwWrote;
+        LONG dwNew = dwOld + *pcbWritten;
+
+        if (InterlockedCompareExchange(&dwWrote, dwNew, dwOld) == dwOld) {
+            break;
+        }
+    }
+
+    return hr;
+}
+
+//////////////////////////////////////////////////////////////////////////////
+//
+int WINAPI TimedEntryPoint(VOID)
+{
+    // We couldn't call CoInitializeEx in DllMain,
+    // so we detour the vtable entries here...
+    LONG error;
+    LPSTREAM pStream = NULL;
+
+    // Create a temporary object so we can get a vtable.
+    CreateStreamOnHGlobal(NULL, TRUE, &pStream);
+
+    // Apply the detour to the vtable.
+    DetourTransactionBegin();
+    DetourUpdateThread(GetCurrentThread());
+    if (pStream != NULL) {
+        RealIStreamWrite = pStream->lpVtbl->Write;
+        DetourAttach(&(PVOID&)RealIStreamWrite, MineIStreamWrite);
+    }
+    error = DetourTransactionCommit();
+
+    if (pStream != NULL) {
+        pStream->lpVtbl->Release(pStream);
+        pStream = NULL;
+    }
+
+    if (error == NO_ERROR) {
+        printf("wrotei" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+               " Detoured IStream::Wrote() from OnHGlobal.\n");
+    }
+    else {
+        printf("wrotei" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+               " Error detouring IStram::Wrote(): %ld\n", error);
+    }
+
+    printf("wrotei" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+           " Calling EntryPoint\n\n");
+    fflush(stdout);
+
+    return TrueEntryPoint();
+}
+
+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("wrotei" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+               " Starting.\n");
+        fflush(stdout);
+
+        // NB: DllMain can't call LoadLibrary, so we hook the app entry point.
+        TrueEntryPoint = (int (WINAPI *)(VOID))DetourGetEntryPoint(NULL);
+        RawEntryPoint = TrueEntryPoint;
+
+        DetourTransactionBegin();
+        DetourUpdateThread(GetCurrentThread());
+        DetourAttach(&(PVOID&)TrueEntryPoint, TimedEntryPoint);
+        error = DetourTransactionCommit();
+
+        if (error == NO_ERROR) {
+            printf("wrotei" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+                   " Detoured EntryPoint().\n");
+        }
+        else {
+            printf("wrotei" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+                   " Error detouring EntryPoint(): %ld\n", error);
+        }
+    }
+    else if (dwReason == DLL_PROCESS_DETACH) {
+        DetourTransactionBegin();
+        DetourUpdateThread(GetCurrentThread());
+        if (RealIStreamWrite != NULL) {
+            DetourDetach(&(PVOID&)RealIStreamWrite, (PVOID)MineIStreamWrite);
+        }
+        DetourDetach(&(PVOID&)TrueEntryPoint, TimedEntryPoint);
+        error = DetourTransactionCommit();
+
+        printf("wrotei" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
+               " Removed IStream::Wrote() detours (%ld), wrote %ld bytes.\n",
+               error, dwWrote);
+
+        fflush(stdout);
+    }
+    return TRUE;
+}
+//
+///////////////////////////////////////////////////////////////// End of File.

test/Detours/samples/comeasy/wrotei.rc

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+//////////////////////////////////////////////////////////////////////////////
+//
+//  Version information for wrotei.rc.
+//
+//  Microsoft Research Detours Package
+//
+//  Copyright (c) Microsoft Corporation.  All rights reserved.
+//
+
+#include "detver.h"
+
+#define VER_INTERNALNAME_STR        "wrotei" DETOURS_STRINGIFY(DETOURS_BITS)
+#define VER_ORIGINALFILENAME_STR    "wrotei" DETOURS_STRINGIFY(DETOURS_BITS) ".dll"
+#define VER_FILEDESCRIPTION_STR     "Detours COM Easy Sample"
+#define VER_COMPANYNAME_STR         "Microsoft Corporation"
+
+#include "common.ver"