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Feature: Add safe DetoursAttach (and friends) overloads (#178)
Fixes #176 I've also added a sample (a copy of the `simple` sample, but without the `(PVOID&)` casts) to validate the functionality.
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‎samples/Makefile

+8
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@@ -21,6 +21,8 @@ all:
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@$(MAKE) /NOLOGO /$(MAKEFLAGS)
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cd "$(MAKEDIR)\simple"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS)
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cd "$(MAKEDIR)\simple_safe"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS)
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cd "$(MAKEDIR)\slept"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS)
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cd "$(MAKEDIR)\setdll"
@@ -96,6 +98,8 @@ clean:
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) clean
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cd "$(MAKEDIR)\simple"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) clean
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cd "$(MAKEDIR)\simple_safe"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) clean
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cd "$(MAKEDIR)\slept"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) clean
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cd "$(MAKEDIR)\setdll"
@@ -162,6 +166,8 @@ realclean:
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) realclean
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cd "$(MAKEDIR)\simple"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) realclean
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cd "$(MAKEDIR)\simple_safe"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) realclean
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cd "$(MAKEDIR)\slept"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) realclean
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cd "$(MAKEDIR)\setdll"
@@ -228,6 +234,8 @@ test:
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) test
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cd "$(MAKEDIR)\simple"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) test
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cd "$(MAKEDIR)\simple_safe"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) test
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!IF "$(DETOURS_TARGET_PROCESSOR)" != "ARM64"
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cd "$(MAKEDIR)\slept"
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@$(MAKE) /NOLOGO /$(MAKEFLAGS) test

‎samples/simple_safe/Makefile

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@@ -0,0 +1,121 @@
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##############################################################################
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##
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## API Extention to Measure time slept.
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##
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## Microsoft Research Detours Package
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##
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## Copyright (c) Microsoft Corporation. All rights reserved.
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##
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!include ..\common.mak
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LIBS=$(LIBS) kernel32.lib
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CFLAGS=$(CFLAGS) /std:c++14
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##############################################################################
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all: dirs \
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$(BIND)\simple_safe$(DETOURS_BITS).dll \
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$(BIND)\sleep5.exe \
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\
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!IF $(DETOURS_SOURCE_BROWSING)==1
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$(OBJD)\simple_safe$(DETOURS_BITS).bsc \
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$(OBJD)\sleep5.bsc \
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!ENDIF
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option
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##############################################################################
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dirs:
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@if not exist $(BIND) mkdir $(BIND) && echo. Created $(BIND)
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@if not exist $(OBJD) mkdir $(OBJD) && echo. Created $(OBJD)
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$(OBJD)\simple_safe.obj : simple_safe.cpp
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$(OBJD)\simple_safe.res : simple_safe.rc
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$(BIND)\simple_safe$(DETOURS_BITS).dll $(BIND)\simple_safe$(DETOURS_BITS).lib: \
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$(OBJD)\simple_safe.obj $(OBJD)\simple_safe.res $(DEPS)
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cl /LD $(CFLAGS) /Fe$(@R).dll /Fd$(@R).pdb \
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$(OBJD)\simple_safe.obj $(OBJD)\simple_safe.res \
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/link $(LINKFLAGS) /subsystem:console \
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/export:DetourFinishHelperProcess,@1,NONAME \
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/export:TimedSleepEx \
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$(LIBS)
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$(OBJD)\simple_safe$(DETOURS_BITS).bsc : $(OBJD)\simple_safe.obj
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bscmake /v /n /o $@ $(OBJD)\simple_safe.sbr
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$(OBJD)\sleep5.obj : sleep5.cpp
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$(BIND)\sleep5.exe : $(OBJD)\sleep5.obj $(DEPS)
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cl $(CFLAGS) /Fe$@ /Fd$(@R).pdb $(OBJD)\sleep5.obj \
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/link $(LINKFLAGS) $(LIBS) \
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/subsystem:console
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$(OBJD)\sleep5.bsc : $(OBJD)\sleep5.obj
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bscmake /v /n /o $@ $(OBJD)\sleep5.sbr
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##############################################################################
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clean:
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-del *~ 2>nul
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-del $(BIND)\simple_safe*.* 2>nul
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-del $(BIND)\sleep5.* 2>nul
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-rmdir /q /s $(OBJD) 2>nul
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realclean: clean
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-rmdir /q /s $(OBJDS) 2>nul
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############################################### Install non-bit-size binaries.
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!IF "$(DETOURS_OPTION_PROCESSOR)" != ""
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$(OPTD)\simple_safe$(DETOURS_OPTION_BITS).dll:
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$(OPTD)\simple_safe$(DETOURS_OPTION_BITS).pdb:
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$(BIND)\simple_safe$(DETOURS_OPTION_BITS).dll : $(OPTD)\simple_safe$(DETOURS_OPTION_BITS).dll
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@if exist $? copy /y $? $(BIND) >nul && echo $@ copied from $(DETOURS_OPTION_PROCESSOR).
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$(BIND)\simple_safe$(DETOURS_OPTION_BITS).pdb : $(OPTD)\simple_safe$(DETOURS_OPTION_BITS).pdb
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@if exist $? copy /y $? $(BIND) >nul && echo $@ copied from $(DETOURS_OPTION_PROCESSOR).
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option: \
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$(BIND)\simple_safe$(DETOURS_OPTION_BITS).dll \
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$(BIND)\simple_safe$(DETOURS_OPTION_BITS).pdb \
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!ELSE
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option:
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!ENDIF
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##############################################################################
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test: all
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@echo -------- Reseting test binaries to initial state. ---------------------
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$(BIND)\setdll.exe -r $(BIND)\sleep5.exe
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@echo.
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@echo -------- Should not load simple_safe$(DETOURS_BITS).dll -----------------------------------
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$(BIND)\sleep5.exe
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@echo.
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@echo -------- Adding simple_safe$(DETOURS_BITS).dll to sleep5.exe ------------------------------
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$(BIND)\setdll.exe -d:$(BIND)\simple_safe$(DETOURS_BITS).dll $(BIND)\sleep5.exe
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@echo.
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@echo -------- Should load simple_safe$(DETOURS_BITS).dll statically ----------------------------
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$(BIND)\sleep5.exe
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@echo.
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@echo -------- Removing simple_safe$(DETOURS_BITS).dll from sleep5.exe --------------------------
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$(BIND)\setdll.exe -r $(BIND)\sleep5.exe
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@echo.
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@echo -------- Should not load simple_safe$(DETOURS_BITS).dll -----------------------------------
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$(BIND)\sleep5.exe
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@echo.
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@echo -------- Should load simple_safe$(DETOURS_BITS).dll dynamically using withdll.exe----------
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$(BIND)\withdll.exe -d:$(BIND)\simple_safe$(DETOURS_BITS).dll $(BIND)\sleep5.exe
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@echo.
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debug: all
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windbg -o $(BIND)\withdll.exe -d:$(BIND)\simple_safe$(DETOURS_BITS).dll $(BIND)\sleep5.exe
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120+
121+
################################################################# End of File.

‎samples/simple_safe/simple_safe.cpp

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@@ -0,0 +1,79 @@
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//////////////////////////////////////////////////////////////////////////////
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//
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// Detours Test Program (simple_safe.cpp of simple_safe.dll)
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//
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// Microsoft Research Detours Package
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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// This DLL will detour the Windows SleepEx API so that TimedSleep function
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// gets called instead. TimedSleepEx records the before and after times, and
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// calls the real SleepEx API through the TrueSleepEx function pointer.
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//
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// The difference between simple and simple_safe is that simple_safe
14+
// uses the C++ 14 overloads which help prevent mismatching types.
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//
16+
#include <stdio.h>
17+
#include <windows.h>
18+
#include "detours.h"
19+
20+
static LONG dwSlept = 0;
21+
static DWORD (WINAPI * TrueSleepEx)(DWORD dwMilliseconds, BOOL bAlertable) = SleepEx;
22+
23+
DWORD WINAPI TimedSleepEx(DWORD dwMilliseconds, BOOL bAlertable)
24+
{
25+
DWORD dwBeg = GetTickCount();
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DWORD ret = TrueSleepEx(dwMilliseconds, bAlertable);
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DWORD dwEnd = GetTickCount();
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InterlockedExchangeAdd(&dwSlept, dwEnd - dwBeg);
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return ret;
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}
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BOOL WINAPI DllMain(HINSTANCE hinst, DWORD dwReason, LPVOID reserved)
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{
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LONG error;
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(void)hinst;
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(void)reserved;
39+
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if (DetourIsHelperProcess()) {
41+
return TRUE;
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}
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if (dwReason == DLL_PROCESS_ATTACH) {
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DetourRestoreAfterWith();
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printf("simple_safe" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
48+
" Starting.\n");
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fflush(stdout);
50+
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DetourTransactionBegin();
52+
DetourUpdateThread(GetCurrentThread());
53+
DetourAttach(&TrueSleepEx, TimedSleepEx);
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error = DetourTransactionCommit();
55+
56+
if (error == NO_ERROR) {
57+
printf("simple_safe" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
58+
" Detoured SleepEx().\n");
59+
}
60+
else {
61+
printf("simple_safe" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
62+
" Error detouring SleepEx(): %ld\n", error);
63+
}
64+
}
65+
else if (dwReason == DLL_PROCESS_DETACH) {
66+
DetourTransactionBegin();
67+
DetourUpdateThread(GetCurrentThread());
68+
DetourDetach(&TrueSleepEx, TimedSleepEx);
69+
error = DetourTransactionCommit();
70+
71+
printf("simple_safe" DETOURS_STRINGIFY(DETOURS_BITS) ".dll:"
72+
" Removed SleepEx() (result=%ld), slept %ld ticks.\n", error, dwSlept);
73+
fflush(stdout);
74+
}
75+
return TRUE;
76+
}
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//
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///////////////////////////////////////////////////////////////// End of File.

‎samples/simple_safe/simple_safe.rc

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@@ -0,0 +1,17 @@
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//////////////////////////////////////////////////////////////////////////////
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//
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// Version information for simple_safe.rc.
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//
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// Microsoft Research Detours Package
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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#include "detver.h"
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#define VER_INTERNALNAME_STR "simple_safe" DETOURS_STRINGIFY(DETOURS_BITS)
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#define VER_ORIGINALFILENAME_STR "simple_safe" DETOURS_STRINGIFY(DETOURS_BITS) ".dll"
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#define VER_FILEDESCRIPTION_STR "Detours Test Module"
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#define VER_COMPANYNAME_STR "Microsoft Corporation"
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#include "common.ver"

‎samples/simple_safe/sleep5.cpp

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@@ -0,0 +1,29 @@
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//////////////////////////////////////////////////////////////////////////////
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//
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// Detours Test Program (sleep5.cpp of sleep5.exe)
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//
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// Microsoft Research Detours Package
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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#include <windows.h>
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#include <stdio.h>
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#include <stdlib.h>
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int __cdecl main(int argc, char ** argv)
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{
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if (argc == 2) {
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Sleep(atoi(argv[1]) * 1000);
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}
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else {
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printf("sleep5.exe: Starting.\n");
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Sleep(5000);
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printf("sleep5.exe: Done sleeping.\n");
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}
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return 0;
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}
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//
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///////////////////////////////////////////////////////////////// End of File.

‎src/detours.h

+54
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@@ -844,6 +844,60 @@ VOID CALLBACK DetourFinishHelperProcess(_In_ HWND,
844844
}
845845
#endif // __cplusplus
846846

847+
/////////////////////////////////////////////////// Type-safe overloads for C++
848+
//
849+
#if __cplusplus >= 201402L || _MSVC_LANG >= 201402L
850+
#include <type_traits>
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852+
template<typename T>
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struct DetoursIsFunctionPointer : std::false_type {};
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template<typename T>
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struct DetoursIsFunctionPointer<T*> : std::is_function<std::remove_pointer_t<T>> {};
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template<
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typename T,
860+
std::enable_if_t<DetoursIsFunctionPointer<T>::value, int> = 0>
861+
LONG DetourAttach(_Inout_ T *ppPointer,
862+
_In_ T pDetour) noexcept
863+
{
864+
return DetourAttach(
865+
reinterpret_cast<void**>(ppPointer),
866+
reinterpret_cast<void*>(pDetour));
867+
}
868+
869+
template<
870+
typename T,
871+
std::enable_if_t<DetoursIsFunctionPointer<T>::value, int> = 0>
872+
LONG DetourAttachEx(_Inout_ T *ppPointer,
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_In_ T pDetour,
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_Out_opt_ PDETOUR_TRAMPOLINE *ppRealTrampoline,
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_Out_opt_ T *ppRealTarget,
876+
_Out_opt_ T *ppRealDetour) noexcept
877+
{
878+
return DetourAttachEx(
879+
reinterpret_cast<void**>(ppPointer),
880+
reinterpret_cast<void*>(pDetour),
881+
ppRealTrampoline,
882+
reinterpret_cast<void**>(ppRealTarget),
883+
reinterpret_cast<void**>(ppRealDetour));
884+
}
885+
886+
template<
887+
typename T,
888+
std::enable_if_t<DetoursIsFunctionPointer<T>::value, int> = 0>
889+
LONG DetourDetach(_Inout_ T *ppPointer,
890+
_In_ T pDetour) noexcept
891+
{
892+
return DetourDetach(
893+
reinterpret_cast<void**>(ppPointer),
894+
reinterpret_cast<void*>(pDetour));
895+
}
896+
897+
#endif // __cplusplus >= 201402L || _MSVC_LANG >= 201402L
898+
//
899+
//////////////////////////////////////////////////////////////////////////////
900+
847901
//////////////////////////////////////////////// Detours Internal Definitions.
848902
//
849903
#ifdef __cplusplus

‎vc/Detours.vcxproj

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@@ -452,6 +452,8 @@ nmake</Command>
452452
<ClCompile Include="..\samples\setdll\setdll.cpp" />
453453
<ClCompile Include="..\samples\simple\simple.cpp" />
454454
<ClCompile Include="..\samples\simple\sleep5.cpp" />
455+
<ClCompile Include="..\samples\simple_safe\simple_safe.cpp" />
456+
<ClCompile Include="..\samples\simple_safe\sleep5.cpp" />
455457
<ClCompile Include="..\samples\slept\dslept.cpp" />
456458
<ClCompile Include="..\samples\slept\sleepbed.cpp" />
457459
<ClCompile Include="..\samples\slept\sleepnew.cpp" />
@@ -542,6 +544,7 @@ nmake</Command>
542544
<None Include="..\samples\region\Makefile" />
543545
<None Include="..\samples\setdll\Makefile" />
544546
<None Include="..\samples\simple\Makefile" />
547+
<None Include="..\samples\simple_safe\Makefile" />
545548
<None Include="..\samples\slept\Makefile" />
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<None Include="..\samples\syelog\Makefile" />
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<None Include="..\samples\talloc\Makefile" />
@@ -579,6 +582,7 @@ nmake</Command>
579582
<ResourceCompile Include="..\samples\findfunc\target.rc" />
580583
<ResourceCompile Include="..\samples\opengl\ogldet.rc" />
581584
<ResourceCompile Include="..\samples\simple\simple.rc" />
585+
<ResourceCompile Include="..\samples\simple_safe\simple_safe.rc" />
582586
<ResourceCompile Include="..\samples\slept\dslept.rc" />
583587
<ResourceCompile Include="..\samples\slept\slept.rc" />
584588
<ResourceCompile Include="..\samples\traceapi\trcapi.rc" />

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