How to use CreateInstance method of proxyapp Package

Best Syzkaller code snippet using proxyapp.CreateInstance

proxyappclient_test.go

Source:proxyappclient_test.go

...177}178func TestPool_Create_Ok(t *testing.T) {179	mockServer, _, p := poolFixture(t)180	mockServer.181		On("CreateInstance", mock.Anything, mock.Anything).182		Return(nil)183	inst, err := p.Create("workdir", 0)184	assert.NotNil(t, inst)185	assert.Nil(t, err)186}187func TestPool_Create_ProxyNilError(t *testing.T) {188	_, mCmdRunner, p := poolFixture(t)189	mCmdRunner.190		On("waitDone").191		Return(nil)192	p.(io.Closer).Close()193	inst, err := p.Create("workdir", 0)194	assert.Nil(t, inst)195	assert.NotNil(t, err)196}197func TestPool_Create_OutOfPoolError(t *testing.T) {198	mockServer, _, p := poolFixture(t)199	mockServer.200		On("CreateInstance", mock.Anything, mock.Anything).201		Run(func(args mock.Arguments) {202			in := args.Get(0).(proxyrpc.CreateInstanceParams)203			assert.Equal(t, p.Count(), in.Index)204		}).205		Return(fmt.Errorf("out of pool size"))206	inst, err := p.Create("workdir", p.Count())207	assert.Nil(t, inst)208	assert.NotNil(t, err)209}210func TestPool_Create_ProxyFailure(t *testing.T) {211	mockServer, _, p := poolFixture(t)212	mockServer.213		On("CreateInstance", mock.Anything, mock.Anything).214		Return(fmt.Errorf("create instance failure"))215	inst, err := p.Create("workdir", 0)216	assert.Nil(t, inst)217	assert.NotNil(t, err)218}219// nolint: dupl220func createInstanceFixture(t *testing.T) (*mock.Mock, vmimpl.Instance) {221	mockServer, _, p := poolFixture(t)222	mockServer.223		On("CreateInstance", mock.Anything, mock.Anything).224		Run(func(args mock.Arguments) {225			in := args.Get(0).(proxyrpc.CreateInstanceParams)226			out := args.Get(1).(*proxyrpc.CreateInstanceResult)227			out.ID = fmt.Sprintf("instance_id_%v", in.Index)228		}).229		Return(nil)230	inst, err := p.Create("workdir", 0)231	assert.Nil(t, err)232	assert.NotNil(t, inst)233	return mockServer, inst234}235func TestInstance_Close(t *testing.T) {236	mockInstance, inst := createInstanceFixture(t)237	mockInstance.238		On("Close", mock.Anything, mock.Anything).239		Return(fmt.Errorf("mock error"))240	inst.Close()...

proxyappclient.go

Source:proxyappclient.go

...92	p.mu.Unlock()93	if proxy == nil {94		return nil, fmt.Errorf("can't create instance using nil pool")95	}96	return proxy.CreateInstance(workdir, index)97}98// Close is not used now. Its support require wide code changes.99// TODO: support the pool cleanup on syz-manager level.100func (p *pool) Close() error {101	close(p.close)102	return <-p.onClosed103}104type ProxyApp struct {105	*rpc.Client106	terminate    context.CancelFunc107	onTerminated chan bool108}109func runProxyApp(params *proxyAppParams, cmd string) (*ProxyApp, error) {110	ctx, cancelContext := context.WithCancel(context.Background())111	subProcess := params.CommandRunner(ctx, cmd)112	var toClose []io.Closer113	freeAll := func() {114		for _, closer := range toClose {115			closer.Close()116		}117		cancelContext()118	}119	subStdout, err := subProcess.StdoutPipe()120	if err != nil {121		freeAll()122		return nil, fmt.Errorf("failed to get stdoutpipe: %w", err)123	}124	toClose = append(toClose, subStdout)125	subStdin, err := subProcess.StdinPipe()126	if err != nil {127		freeAll()128		return nil, fmt.Errorf("failed to get stdinpipe: %w", err)129	}130	toClose = append(toClose, subStdin)131	subprocessLogs, err := subProcess.StderrPipe()132	if err != nil {133		freeAll()134		return nil, fmt.Errorf("failed to get stderrpipe: %w", err)135	}136	toClose = append(toClose, subprocessLogs)137	codec := jsonrpc.NewClientCodec(stdInOutCloser{138		io.NopCloser(subStdout),139		subStdin,140	})141	if err := subProcess.Start(); err != nil {142		freeAll()143		return nil, fmt.Errorf("failed to start command %v: %w", cmd, err)144	}145	onTerminated := make(chan bool, 1)146	go func() {147		io.Copy(os.Stdout, subprocessLogs)148		if err := subProcess.Wait(); err != nil {149			log.Logf(0, "failed to Wait() subprocess: %v", err)150		}151		onTerminated <- true152	}()153	return &ProxyApp{154		Client:       rpc.NewClientWithCodec(codec),155		terminate:    cancelContext,156		onTerminated: onTerminated,157	}, nil158}159func (proxy *ProxyApp) CreatePool(config string, debug bool) (int, error) {160	var reply proxyrpc.CreatePoolResult161	err := proxy.Call(162		"ProxyVM.CreatePool",163		proxyrpc.CreatePoolParams{164			Debug: debug,165			Param: config,166		},167		&reply)168	if err != nil {169		return 0, err170	}171	return reply.Count, nil172}173func (proxy *ProxyApp) CreateInstance(workdir string, index int) (vmimpl.Instance, error) {174	var reply proxyrpc.CreateInstanceResult175	err := proxy.Call(176		"ProxyVM.CreateInstance",177		proxyrpc.CreateInstanceParams{178			Workdir: workdir,179			Index:   index},180		&reply)181	if err != nil {182		return nil, fmt.Errorf("failed to proxy.Call(\"ProxyVM.CreateInstance\"): %w", err)183	}184	return &instance{185		ProxyApp: proxy,186		ID:       reply.ID,187	}, nil188}189type instance struct {190	*ProxyApp191	ID string192}193// Copy copies a hostSrc file into VM and returns file name in VM.194// nolint: dupl195func (inst *instance) Copy(hostSrc string) (string, error) {196	var reply proxyrpc.CopyResult...

CreateInstance

Using AI Code Generation

1import (2type IUnknownVtbl struct {3}4type IUnknown struct {5}6type IClassFactoryVtbl struct {7}8type IClassFactory struct {9}10type ProxyApp struct {11}12type ProxyAppVtbl struct {13}14type ProxyAppClassFactory struct {15}16var (17	CLSID_ProxyApp = syscall.GUID{0x8e2b2d2e, 0x9f1, 0x4f0a, [8]byte{0x8b, 0x

CreateInstance

Using AI Code Generation

1import (2var (3	ole32 = syscall.NewLazyDLL("ole32.dll")4	procCoInitializeEx = ole32.NewProc("CoInitializeEx")5	procCoUninitialize = ole32.NewProc("CoUninitialize")6func CoInitializeEx(reserved uintptr, coInit uint32) error {7	hr, _, _ := procCoInitializeEx.Call(reserved, uintptr(coInit))8	if hr != 0 {9		return syscall.Errno(hr)10	}11}12func CoUninitialize() {13	procCoUninitialize.Call()14}15func main() {16	CoInitializeEx(0, 0)17	defer CoUninitialize()18	CLSID_ProxyApp := syscall.GUID{0x1e1d0da7, 0x5b6e, 0x4e6d, [8]byte{0x93, 0x5b, 0x81, 0x7a, 0x0, 0x9c, 0x7, 0x3b}}19	IID_IProxyApp := syscall.GUID{0x4d4e7b9c, 0x8a5b, 0x4c2b, [8]byte{0x88, 0x6f, 0x7b, 0x2f, 0x4c, 0x4f, 0x7, 0x9c}}20	CLSID_ProxyAppPtr := uintptr(unsafe.Pointer(&CLSID_ProxyApp))21	IID_IProxyAppPtr := uintptr(unsafe.Pointer(&IID_IProxyApp))22	hr, _, _ := syscall.Syscall6(23		syscall.NewLazyDLL("ole32.dll").NewProc("CoCreateInstance").Addr(),24		uintptr(unsafe.Pointer(&pProxyApp)),25	if hr != 0 {26		fmt.Println("Error in creating instance")27	}28	defer pProxyApp.Release()29	hr, _, _ = syscall.Syscall(30		pProxyApp.QueryInterface().Addr(),

CreateInstance

Using AI Code Generation

1import (2func main() {3	flag.Parse()4	ole.CoInitialize(0)5	defer ole.CoUninitialize()6	unknown, _ := oleutil.CreateObject("proxyapp.proxy")7	defer unknown.Release()8	dispatch, _ := unknown.QueryInterface(ole.IID_IDispatch)9	defer dispatch.Release()10	_, err := oleutil.CallMethod(dispatch, "CreateInstance", "calc.exe")11	if err != nil {12		fmt.Println(err)13	}14	fmt.Scanln(&input)15}16import (17func main() {18	flag.Parse()19	ole.CoInitialize(0)20	defer ole.CoUninitialize()21	unknown, _ := oleutil.CreateObject("proxyapp.proxy")22	defer unknown.Release()23	dispatch, _ := unknown.QueryInterface(ole.IID_IDispatch)24	defer dispatch.Release()25	_, err := oleutil.CallMethod(dispatch, "CreateInstance", "notepad.exe")26	if err != nil {27		fmt.Println(err)28	}

CreateInstance

Using AI Code Generation

1import (2func main() {3    proxyapp := &ProxyApp{}4    instance := proxyapp.CreateInstance()5    instance.Method1()6    instance.Method2()7}8type ProxyApp struct {9}10func (p *ProxyApp) CreateInstance() *ProxyAppInstance {11    return &ProxyAppInstance{p}12}13type ProxyAppInstance struct {14}15func (p *ProxyAppInstance) Method1() {16    fmt.Println("Method1")17}18func (p *ProxyAppInstance) Method2() {19    fmt.Println("Method2")20}

CreateInstance

Using AI Code Generation

1import (2func main() {3	proxyapp, err := CoCreateInstance(CLSID_ProxyApp, IID_IProxyApp)4	if err != nil {5		fmt.Println(err)6	}7	defer proxyapp.Release()8	proxyapp2, err := CoCreateInstance(CLSID_ProxyApp, IID_IProxyApp)9	if err != nil {10		fmt.Println(err)11	}12	defer proxyapp2.Release()13	proxyapp3, err := CoCreateInstance(CLSID_ProxyApp, IID_IProxyApp)14	if err != nil {15		fmt.Println(err)16	}17	defer proxyapp3.Release()18	proxyapp4, err := CoCreateInstance(CLSID_ProxyApp, IID_IProxyApp)19	if err != nil {20		fmt.Println(err)21	}22	defer proxyapp4.Release()23	proxyapp5, err := CoCreateInstance(CLSID_ProxyApp, IID_IProxyApp)24	if err != nil {25		fmt.Println(err)26	}27	defer proxyapp5.Release()28	proxyapp6, err := CoCreateInstance(CLSID_ProxyApp, IID_IProxyApp)29	if err != nil {30		fmt.Println(err)31	}32	defer proxyapp6.Release()33	proxyapp7, err := CoCreateInstance(CLSID_ProxyApp, IID_IProxyApp)34	if err != nil {35		fmt.Println(err)36	}37	defer proxyapp7.Release()38	proxyapp8, err := CoCreateInstance(CLSID_ProxyApp, IID_IProxyApp)39	if err != nil {40		fmt.Println(err)41	}42	defer proxyapp8.Release()43	proxyapp9, err := CoCreateInstance(CLSID_ProxyApp, IID_IProxyApp)44	if err != nil {45		fmt.Println(err)46	}47	defer proxyapp9.Release()48	proxyapp10, err := CoCreateInstance(CLSID_ProxyApp,

CreateInstance

Using AI Code Generation

1import (2func main() {3	h, _ := syscall.LoadLibrary("C:\\Users\\user\\Desktop\\Go\\proxyapp.dll")4	proc, _ := syscall.GetProcAddress(h, "CreateInstance")5	syscall.Syscall(proc, 0, 0, 0, 0)6}7import (8func main() {9	h, _ := syscall.LoadLibrary("C:\\Users\\user\\Desktop\\Go\\proxyapp.dll")10	proc, _ := syscall.GetProcAddress(h, "CreateInstance")11	syscall.Syscall(proc, 0, 0, 0, 0)12}13import (14func main() {15	h, _ := syscall.LoadLibrary("C:\\Users\\user\\Desktop\\Go\\proxyapp.dll")16	proc, _ := syscall.GetProcAddress(h, "CreateInstance")17	syscall.Syscall(proc, 0, 0, 0, 0)18}19import (20func main() {21	h, _ := syscall.LoadLibrary("C:\\Users\\user\\Desktop\\Go\\proxyapp.dll")22	proc, _ := syscall.GetProcAddress(h, "CreateInstance")23	syscall.Syscall(proc, 0, 0, 0, 0)24}25import (26func main() {27	h, _ := syscall.LoadLibrary("C:\\Users\\user\\Desktop\\Go\\proxyapp.dll")

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