untyper / mingw-w64-dpp

"Mingw64 Driver Plus Plus": Mingw64, C++, DDK and (EA)STL made easy!

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Mingw64 Driver Plus Plus

A Windows kernel driver C/C++ SDK using Mingw64.

It provides also some examples and a feature complete STL including your beloved containers.

You will need an modern Mingw64-GCC toolchain. Do not use any broken toolchains like the one shipped with debian-10. Mingw64-GCC for debian-11 seems to work, but is not well tested. Instead either use Zeranoe's build script with make -C [path-to-this-repo] -f Makefile.deps all (same as make -C [path-to-this-repo] deps) or use your own.

What?

  1. examples/dpp-template: plain and stupid ddk C example
  2. examples/dpp-template-cplusplus: same, but written in C++, including a very complex class and some MT
  3. examples/dpp-template-cplusplus-EASTL: C++ example w/ (EA)STL integration, basicially everything usable except for SEH and assertions.

examples/dpp-template-cplusplus-EASTL supports BUILD_NATIVE! You can build and run it on your native Linux either with the other examples e.g. make examples, build only native executables make -C examples DPP_ROOT="$(realpath .)" BUILD_NATIVE=1 in the top-level directory or directly build it from the examples directory with make DPP_ROOT="$(realpath ..)" BUILD_NATIVE=1.

Build and Test

Build all examples with a Mingw64 toolchain using Zeranoe's build script:

make -C [path-to-this-repo] -f Makefile.deps all # build toolchain, CRT, CRT++ and EASTL
make -C [path-to-this-repo] all # build examples

Build all examples with your own Mingw64 toolchain:

make all CC=path/to/bin/x86_64-w64-mingw32-gcc CXX=path/to/bin/x86_64-w64-mingw32-g++ DDK_INCLUDE_DIR=path/to/include/ddk

HowTo use it in your own project

At the moment only a GMake build system is supported. A minimal working Makefile for your own project could look alike:

ifndef DPP_ROOT
$(error DPP_ROOT is undefined)
endif

include $(DPP_ROOT)/Makefile.inc

DRIVER_NAME = Driver
DRIVER_OBJECTS = $(DRIVER_NAME).opp
DRIVER_TARGET = $(DRIVER_NAME).sys

%.opp: %.cpp
	$(call BUILD_CPP_OBJECT,$<,$@)

$(DRIVER_TARGET): $(DRIVER_OBJECTS)
	$(call LINK_CPP_KERNEL_TARGET,$(DRIVER_OBJECTS),$@)

Build it with: make Driver.sys DPP_ROOT=[path/to/this/repository]

It also possible to (self-)sign your driver and install your driver with:

install: $(DRIVER_TARGET)
    $(call INSTALL_EXEC_SIGN,$(DRIVER_TARGET))

You can also add the toolchain to your path and use it for other projects w/o any Makefile blueprint:

make -C [path-to-this-repo] -f Makefile.deps all
source [path-to-this-repo]/mingw-w64-sysroot/x86_64/activate.sh

Packaging

It is possible to create *.dpp archives ready to get shipped. To do this you need to call the PACKAGE macro. But before you should install public header files with the INSTALL_HEADERS macro.

See the Makefile of mingw-w64-ksocket for an example.

The CRT and CRT++

This project uses a very very rudimentary CRT for C and C++ projects. Please keep in mind that depending on what you want to do the CRT may lack features you are familiar with. Usually this will manifest in linker errors such as undefined references. Most of the time copy&pasting missing libc/libgcc functions from various online sources should be sufficient.

Remember: The CRT/CRT++ sets a driver unload function meaning that code .e.g.:

NTSTATUS DriverEntry(_In_ struct _DRIVER_OBJECT * DriverObject, _In_ PUNICODE_STRING RegistryPath)
{
    DriverObject->DriverUnload = MyDriverUnload;
}

must not used. Overwriting DriverObject->DriverUnload with your own function may BSOD. Instead the function DriverUnload will be called. Make sure that the symbol DriverUnload exists and has the usual ddk function signature: void DriverUnload(_In_ struct _DRIVER_OBJECT * DriverObject). This is required to make ctors/dtors work without calling additional functions in DriverEntry / DriverUnload.

Do not forget to disable C++ name mangeling if your driver source which contains the DriverEntry and DriverUnload symbols is compiled with g++:

extern "C" {
NTSTATUS DriverEntry(_In_ struct _DRIVER_OBJECT *DriverObject, _In_ PUNICODE_STRING RegistryPath)
{
    // ...
}
VOID DriverUnload(_In_ struct _DRIVER_OBJECT *DriverObject)
{
    // ...
}
}

Host EASTL/CRT/CRT++ Build

It is possible to build parts of the repository for your host distribution. To do that simply type:

make -C [path-to-this-repo] -f Makefile.deps -j1 all BUILD_NATIVE=1

The results should be visible in ./CRT and EASTL-native-build. If you ran make -C [path-to-this-repo] deps before, everything is already done including the native build.

You can use the Host Build in your Makefile based project with:

ifndef DPP_ROOT
$(error DPP_ROOT is undefined)
endif

ifndef BUILD_NATIVE
include $(DPP_ROOT)/Makefile.inc
else
include $(DPP_ROOT)/Makefile.native.inc
endif

# Driver
DRIVER_NAME = Driver
DRIVER_OBJECTS = $(DRIVER_NAME).opp
DRIVER_TARGET = $(DRIVER_NAME).sys
DRIVER_LIBS =
CFLAGS_$(DRIVER_NAME).opp =
LDFLAGS_$(DRIVER_NAME).sys =

# Userspace
USER_NAME = usa$(NAME_SUFFIX)
USER_OBJECTS = $(USERSPACE_NAME).opp
USER_TARGET = $(USERSPACE_NAME).exe
USER_LIBS =
CFLAGS_$(USERSPACE_NAME).opp =
LDFLAGS_$(USERSPACE_NAME).exe =

# specify additional CFLAGS for kernel/user targets
CUSTOM_CFLAGS = -I.

%.opp: %.cpp
	$(call BUILD_CPP_OBJECT,$<,$@)

$(DRIVER_TARGET): $(DRIVER_OBJECTS)
	$(call LINK_CPP_KERNEL_TARGET,$(DRIVER_OBJECTS),$@)

$(USERSPACE_TARGET): $(USERSPACE_OBJECTS)
	$(call LINK_CPP_USER_TARGET,$(USERSPACE_OBJECTS),$@)

A simple and stupid project example.

Driver Signing

Driver signing can be done in two ways. Using a native osslsigncode executable or sign it manually on your Windows platform. The first one is always done by calling the macro INSTALL_EXEC_SIGN from your own Makefile. The latter one has to be done manually on your target Windows machine by running:

  1. create_codesign_ca.bat in DESTDIR (Administrator permission required to import CA/CERTs to the Windows certificate storage
  2. *-sign-driver-on-windows.bat e.g. dpp-example-sign-driver-on-windows.bat (no Administrator permissions required)

Note: You still need to call the macro INSTALL_EXEC_SIGN from your own Makefile to create/install the batch files in DESTDIR.

Thanks goes to:

  • Zeranoe for the Mingw64 build script
  • sidyhe for some copy paste ready CRT code
  • liupengs helped me to fix the ctor/dtor issue

and last but not least:

  • EA, bad company, good STL

About

"Mingw64 Driver Plus Plus": Mingw64, C++, DDK and (EA)STL made easy!


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