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// 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 (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"runtime"
"strings"
"syscall"
"testing"
"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")
}
}