--- /dev/null
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package windows_test
+
+import (
+ "debug/pe"
+ "errors"
+ "fmt"
+ "io/ioutil"
+ "os"
+ "path/filepath"
+ "runtime"
+ "strconv"
+ "strings"
+ "syscall"
+ "testing"
+ "unsafe"
+
+ "golang.org/x/sys/windows"
+)
+
+func TestWin32finddata(t *testing.T) {
+ dir, err := ioutil.TempDir("", "go-build")
+ if err != nil {
+ t.Fatalf("failed to create temp directory: %v", err)
+ }
+ defer os.RemoveAll(dir)
+
+ path := filepath.Join(dir, "long_name.and_extension")
+ f, err := os.Create(path)
+ if err != nil {
+ t.Fatalf("failed to create %v: %v", path, err)
+ }
+ f.Close()
+
+ type X struct {
+ fd windows.Win32finddata
+ got byte
+ pad [10]byte // to protect ourselves
+
+ }
+ var want byte = 2 // it is unlikely to have this character in the filename
+ x := X{got: want}
+
+ pathp, _ := windows.UTF16PtrFromString(path)
+ h, err := windows.FindFirstFile(pathp, &(x.fd))
+ if err != nil {
+ t.Fatalf("FindFirstFile failed: %v", err)
+ }
+ err = windows.FindClose(h)
+ if err != nil {
+ t.Fatalf("FindClose failed: %v", err)
+ }
+
+ if x.got != want {
+ t.Fatalf("memory corruption: want=%d got=%d", want, x.got)
+ }
+}
+
+func TestFormatMessage(t *testing.T) {
+ dll := windows.MustLoadDLL("netevent.dll")
+
+ const TITLE_SC_MESSAGE_BOX uint32 = 0xC0001B75
+ const flags uint32 = syscall.FORMAT_MESSAGE_FROM_HMODULE | syscall.FORMAT_MESSAGE_ARGUMENT_ARRAY | syscall.FORMAT_MESSAGE_IGNORE_INSERTS
+ buf := make([]uint16, 300)
+ _, err := windows.FormatMessage(flags, uintptr(dll.Handle), TITLE_SC_MESSAGE_BOX, 0, buf, nil)
+ if err != nil {
+ t.Fatalf("FormatMessage for handle=%x and errno=%x failed: %v", dll.Handle, TITLE_SC_MESSAGE_BOX, err)
+ }
+}
+
+func abort(funcname string, err error) {
+ panic(funcname + " failed: " + err.Error())
+}
+
+func ExampleLoadLibrary() {
+ h, err := windows.LoadLibrary("kernel32.dll")
+ if err != nil {
+ abort("LoadLibrary", err)
+ }
+ defer windows.FreeLibrary(h)
+ proc, err := windows.GetProcAddress(h, "GetVersion")
+ if err != nil {
+ abort("GetProcAddress", err)
+ }
+ r, _, _ := syscall.Syscall(uintptr(proc), 0, 0, 0, 0)
+ major := byte(r)
+ minor := uint8(r >> 8)
+ build := uint16(r >> 16)
+ print("windows version ", major, ".", minor, " (Build ", build, ")\n")
+}
+
+func TestTOKEN_ALL_ACCESS(t *testing.T) {
+ if windows.TOKEN_ALL_ACCESS != 0xF01FF {
+ t.Errorf("TOKEN_ALL_ACCESS = %x, want 0xF01FF", windows.TOKEN_ALL_ACCESS)
+ }
+}
+
+func TestCreateWellKnownSid(t *testing.T) {
+ sid, err := windows.CreateWellKnownSid(windows.WinBuiltinAdministratorsSid)
+ if err != nil {
+ t.Fatalf("Unable to create well known sid for administrators: %v", err)
+ }
+ if got, want := sid.String(), "S-1-5-32-544"; got != want {
+ t.Fatalf("Builtin Administrators SID = %s, want %s", got, want)
+ }
+}
+
+func TestPseudoTokens(t *testing.T) {
+ version, err := windows.GetVersion()
+ if err != nil {
+ t.Fatal(err)
+ }
+ if ((version&0xffff)>>8)|((version&0xff)<<8) < 0x0602 {
+ return
+ }
+
+ realProcessToken, err := windows.OpenCurrentProcessToken()
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer realProcessToken.Close()
+ realProcessUser, err := realProcessToken.GetTokenUser()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ pseudoProcessToken := windows.GetCurrentProcessToken()
+ pseudoProcessUser, err := pseudoProcessToken.GetTokenUser()
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !windows.EqualSid(realProcessUser.User.Sid, pseudoProcessUser.User.Sid) {
+ t.Fatal("The real process token does not have the same as the pseudo process token")
+ }
+
+ runtime.LockOSThread()
+ defer runtime.UnlockOSThread()
+
+ err = windows.RevertToSelf()
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ pseudoThreadToken := windows.GetCurrentThreadToken()
+ _, err = pseudoThreadToken.GetTokenUser()
+ if err != windows.ERROR_NO_TOKEN {
+ t.Fatal("Expected an empty thread token")
+ }
+ pseudoThreadEffectiveToken := windows.GetCurrentThreadEffectiveToken()
+ pseudoThreadEffectiveUser, err := pseudoThreadEffectiveToken.GetTokenUser()
+ if err != nil {
+ t.Fatal(nil)
+ }
+ if !windows.EqualSid(realProcessUser.User.Sid, pseudoThreadEffectiveUser.User.Sid) {
+ t.Fatal("The real process token does not have the same as the pseudo thread effective token, even though we aren't impersonating")
+ }
+
+ err = windows.ImpersonateSelf(windows.SecurityImpersonation)
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer windows.RevertToSelf()
+ pseudoThreadUser, err := pseudoThreadToken.GetTokenUser()
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !windows.EqualSid(realProcessUser.User.Sid, pseudoThreadUser.User.Sid) {
+ t.Fatal("The real process token does not have the same as the pseudo thread token after impersonating self")
+ }
+}
+
+func TestGUID(t *testing.T) {
+ guid, err := windows.GenerateGUID()
+ if err != nil {
+ t.Fatal(err)
+ }
+ if guid.Data1 == 0 && guid.Data2 == 0 && guid.Data3 == 0 && guid.Data4 == [8]byte{} {
+ t.Fatal("Got an all zero GUID, which is overwhelmingly unlikely")
+ }
+ want := fmt.Sprintf("{%08X-%04X-%04X-%04X-%012X}", guid.Data1, guid.Data2, guid.Data3, guid.Data4[:2], guid.Data4[2:])
+ got := guid.String()
+ if got != want {
+ t.Fatalf("String = %q; want %q", got, want)
+ }
+ guid2, err := windows.GUIDFromString(got)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if guid2 != guid {
+ t.Fatalf("Did not parse string back to original GUID = %q; want %q", guid2, guid)
+ }
+ _, err = windows.GUIDFromString("not-a-real-guid")
+ if err != syscall.Errno(windows.CO_E_CLASSSTRING) {
+ t.Fatalf("Bad GUID string error = %v; want CO_E_CLASSSTRING", err)
+ }
+}
+
+func TestKnownFolderPath(t *testing.T) {
+ token, err := windows.OpenCurrentProcessToken()
+ if err != nil {
+ t.Fatal(err)
+ }
+ defer token.Close()
+ profileDir, err := token.GetUserProfileDirectory()
+ if err != nil {
+ t.Fatal(err)
+ }
+ want := filepath.Join(profileDir, "Desktop")
+ got, err := windows.KnownFolderPath(windows.FOLDERID_Desktop, windows.KF_FLAG_DEFAULT)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if want != got {
+ t.Fatalf("Path = %q; want %q", got, want)
+ }
+}
+
+func TestRtlGetVersion(t *testing.T) {
+ version := windows.RtlGetVersion()
+ major, minor, build := windows.RtlGetNtVersionNumbers()
+ // Go is not explictly added to the application compatibility database, so
+ // these two functions should return the same thing.
+ if version.MajorVersion != major || version.MinorVersion != minor || version.BuildNumber != build {
+ t.Fatalf("%d.%d.%d != %d.%d.%d", version.MajorVersion, version.MinorVersion, version.BuildNumber, major, minor, build)
+ }
+}
+
+func TestGetNamedSecurityInfo(t *testing.T) {
+ path, err := windows.GetSystemDirectory()
+ if err != nil {
+ t.Fatal(err)
+ }
+ sd, err := windows.GetNamedSecurityInfo(path, windows.SE_FILE_OBJECT, windows.OWNER_SECURITY_INFORMATION)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !sd.IsValid() {
+ t.Fatal("Invalid security descriptor")
+ }
+ sdOwner, _, err := sd.Owner()
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !sdOwner.IsValid() {
+ t.Fatal("Invalid security descriptor owner")
+ }
+}
+
+func TestGetSecurityInfo(t *testing.T) {
+ sd, err := windows.GetSecurityInfo(windows.CurrentProcess(), windows.SE_KERNEL_OBJECT, windows.DACL_SECURITY_INFORMATION)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !sd.IsValid() {
+ t.Fatal("Invalid security descriptor")
+ }
+ sdStr := sd.String()
+ if !strings.HasPrefix(sdStr, "D:(A;") {
+ t.Fatalf("DACL = %q; want D:(A;...", sdStr)
+ }
+}
+
+func TestSddlConversion(t *testing.T) {
+ sd, err := windows.SecurityDescriptorFromString("O:BA")
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !sd.IsValid() {
+ t.Fatal("Invalid security descriptor")
+ }
+ sdOwner, _, err := sd.Owner()
+ if err != nil {
+ t.Fatal(err)
+ }
+ if !sdOwner.IsValid() {
+ t.Fatal("Invalid security descriptor owner")
+ }
+ if !sdOwner.IsWellKnown(windows.WinBuiltinAdministratorsSid) {
+ t.Fatalf("Owner = %q; want S-1-5-32-544", sdOwner)
+ }
+}
+
+func TestBuildSecurityDescriptor(t *testing.T) {
+ const want = "O:SYD:(A;;GA;;;BA)"
+
+ adminSid, err := windows.CreateWellKnownSid(windows.WinBuiltinAdministratorsSid)
+ if err != nil {
+ t.Fatal(err)
+ }
+ systemSid, err := windows.CreateWellKnownSid(windows.WinLocalSystemSid)
+ if err != nil {
+ t.Fatal(err)
+ }
+
+ access := []windows.EXPLICIT_ACCESS{{
+ AccessPermissions: windows.GENERIC_ALL,
+ AccessMode: windows.GRANT_ACCESS,
+ Trustee: windows.TRUSTEE{
+ TrusteeForm: windows.TRUSTEE_IS_SID,
+ TrusteeType: windows.TRUSTEE_IS_GROUP,
+ TrusteeValue: windows.TrusteeValueFromSID(adminSid),
+ },
+ }}
+ owner := &windows.TRUSTEE{
+ TrusteeForm: windows.TRUSTEE_IS_SID,
+ TrusteeType: windows.TRUSTEE_IS_USER,
+ TrusteeValue: windows.TrusteeValueFromSID(systemSid),
+ }
+
+ sd, err := windows.BuildSecurityDescriptor(owner, nil, access, nil, nil)
+ if err != nil {
+ t.Fatal(err)
+ }
+ sd, err = sd.ToAbsolute()
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = sd.SetSACL(nil, false, false)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if got := sd.String(); got != want {
+ t.Fatalf("SD = %q; want %q", got, want)
+ }
+ sd, err = sd.ToSelfRelative()
+ if err != nil {
+ t.Fatal(err)
+ }
+ if got := sd.String(); got != want {
+ t.Fatalf("SD = %q; want %q", got, want)
+ }
+
+ sd, err = windows.NewSecurityDescriptor()
+ if err != nil {
+ t.Fatal(err)
+ }
+ acl, err := windows.ACLFromEntries(access, nil)
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = sd.SetDACL(acl, true, false)
+ if err != nil {
+ t.Fatal(err)
+ }
+ err = sd.SetOwner(systemSid, false)
+ if err != nil {
+ t.Fatal(err)
+ }
+ if got := sd.String(); got != want {
+ t.Fatalf("SD = %q; want %q", got, want)
+ }
+ sd, err = sd.ToSelfRelative()
+ if err != nil {
+ t.Fatal(err)
+ }
+ if got := sd.String(); got != want {
+ t.Fatalf("SD = %q; want %q", got, want)
+ }
+}
+
+func TestGetDiskFreeSpaceEx(t *testing.T) {
+ cwd, err := windows.UTF16PtrFromString(".")
+ if err != nil {
+ t.Fatalf(`failed to call UTF16PtrFromString("."): %v`, err)
+ }
+ var freeBytesAvailableToCaller, totalNumberOfBytes, totalNumberOfFreeBytes uint64
+ if err := windows.GetDiskFreeSpaceEx(cwd, &freeBytesAvailableToCaller, &totalNumberOfBytes, &totalNumberOfFreeBytes); err != nil {
+ t.Fatalf("failed to call GetDiskFreeSpaceEx: %v", err)
+ }
+
+ if freeBytesAvailableToCaller == 0 {
+ t.Errorf("freeBytesAvailableToCaller: got 0; want > 0")
+ }
+ if totalNumberOfBytes == 0 {
+ t.Errorf("totalNumberOfBytes: got 0; want > 0")
+ }
+ if totalNumberOfFreeBytes == 0 {
+ t.Errorf("totalNumberOfFreeBytes: got 0; want > 0")
+ }
+}
+
+func TestGetPreferredUILanguages(t *testing.T) {
+ tab := map[string]func(flags uint32) ([]string, error){
+ "GetProcessPreferredUILanguages": windows.GetProcessPreferredUILanguages,
+ "GetThreadPreferredUILanguages": windows.GetThreadPreferredUILanguages,
+ "GetUserPreferredUILanguages": windows.GetUserPreferredUILanguages,
+ "GetSystemPreferredUILanguages": windows.GetSystemPreferredUILanguages,
+ }
+ for fName, f := range tab {
+ lang, err := f(windows.MUI_LANGUAGE_ID)
+ if err != nil {
+ t.Errorf(`failed to call %v(MUI_LANGUAGE_ID): %v`, fName, err)
+ }
+ for _, l := range lang {
+ _, err := strconv.ParseUint(l, 16, 16)
+ if err != nil {
+ t.Errorf(`%v(MUI_LANGUAGE_ID) returned unexpected LANGID: %v`, fName, l)
+ }
+ }
+
+ lang, err = f(windows.MUI_LANGUAGE_NAME)
+ if err != nil {
+ t.Errorf(`failed to call %v(MUI_LANGUAGE_NAME): %v`, fName, err)
+ }
+ }
+}
+
+func TestProcessWorkingSetSizeEx(t *testing.T) {
+ // Grab a handle to the current process
+ hProcess := windows.CurrentProcess()
+
+ // Allocate memory to store the result of the query
+ var minimumWorkingSetSize, maximumWorkingSetSize uintptr
+
+ // Make the system-call
+ var flag uint32
+ windows.GetProcessWorkingSetSizeEx(hProcess, &minimumWorkingSetSize, &maximumWorkingSetSize, &flag)
+
+ // Set the new limits to the current ones
+ if err := windows.SetProcessWorkingSetSizeEx(hProcess, minimumWorkingSetSize, maximumWorkingSetSize, flag); err != nil {
+ t.Error(err)
+ }
+}
+
+func TestJobObjectInfo(t *testing.T) {
+ jo, err := windows.CreateJobObject(nil, nil)
+ if err != nil {
+ t.Fatalf("CreateJobObject failed: %v", err)
+ }
+ defer windows.CloseHandle(jo)
+
+ var info windows.JOBOBJECT_EXTENDED_LIMIT_INFORMATION
+
+ err = windows.QueryInformationJobObject(jo, windows.JobObjectExtendedLimitInformation,
+ uintptr(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info)), nil)
+ if err != nil {
+ t.Fatalf("QueryInformationJobObject failed: %v", err)
+ }
+
+ const wantMemLimit = 4 * 1024
+
+ info.BasicLimitInformation.LimitFlags |= windows.JOB_OBJECT_LIMIT_PROCESS_MEMORY
+ info.ProcessMemoryLimit = wantMemLimit
+ _, err = windows.SetInformationJobObject(jo, windows.JobObjectExtendedLimitInformation,
+ uintptr(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info)))
+ if err != nil {
+ t.Fatalf("SetInformationJobObject failed: %v", err)
+ }
+
+ err = windows.QueryInformationJobObject(jo, windows.JobObjectExtendedLimitInformation,
+ uintptr(unsafe.Pointer(&info)), uint32(unsafe.Sizeof(info)), nil)
+ if err != nil {
+ t.Fatalf("QueryInformationJobObject failed: %v", err)
+ }
+
+ if have := info.ProcessMemoryLimit; wantMemLimit != have {
+ t.Errorf("ProcessMemoryLimit is wrong: want %v have %v", wantMemLimit, have)
+ }
+}
+
+func TestIsWow64Process2(t *testing.T) {
+ var processMachine, nativeMachine uint16
+ err := windows.IsWow64Process2(windows.CurrentProcess(), &processMachine, &nativeMachine)
+ if errors.Is(err, windows.ERROR_PROC_NOT_FOUND) {
+ maj, min, build := windows.RtlGetNtVersionNumbers()
+ if maj < 10 || (maj == 10 && min == 0 && build < 17763) {
+ t.Skip("not available on older versions of Windows")
+ return
+ }
+ }
+ if err != nil {
+ t.Fatalf("IsWow64Process2 failed: %v", err)
+ }
+ if processMachine == pe.IMAGE_FILE_MACHINE_UNKNOWN {
+ processMachine = nativeMachine
+ }
+ switch {
+ case processMachine == pe.IMAGE_FILE_MACHINE_AMD64 && runtime.GOARCH == "amd64":
+ case processMachine == pe.IMAGE_FILE_MACHINE_I386 && runtime.GOARCH == "386":
+ case processMachine == pe.IMAGE_FILE_MACHINE_ARMNT && runtime.GOARCH == "arm":
+ case processMachine == pe.IMAGE_FILE_MACHINE_ARM64 && runtime.GOARCH == "arm64":
+ default:
+ t.Errorf("IsWow64Process2 is wrong: want %v have %v", runtime.GOARCH, processMachine)
+ }
+}
projects / dotfiles / .git / blobdiff