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// Copyright 2014 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 Main
import (
"fmt"
"internal/testenv"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"strings"
"testing"
)
func TestAbsolutePath(t *testing.T) {
tmp, err := ioutil.TempDir("", "TestAbsolutePath")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmp)
file := filepath.Join(tmp, "a.go")
err = ioutil.WriteFile(file, []byte{}, 0644)
if err != nil {
t.Fatal(err)
}
dir := filepath.Join(tmp, "dir")
err = os.Mkdir(dir, 0777)
if err != nil {
t.Fatal(err)
}
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
defer os.Chdir(wd)
// Chdir so current directory and a.go reside on the same drive.
err = os.Chdir(dir)
if err != nil {
t.Fatal(err)
}
noVolume := file[len(filepath.VolumeName(file)):]
wrongPath := filepath.Join(dir, noVolume)
output, err := exec.Command(testenv.GoToolPath(t), "build", noVolume).CombinedOutput()
if err == nil {
t.Fatal("build should fail")
}
if strings.Contains(string(output), wrongPath) {
t.Fatalf("wrong output found: %v %v", err, string(output))
}
}
func runIcacls(t *testing.T, args ...string) string {
t.Helper()
out, err := exec.Command("icacls", args...).CombinedOutput()
if err != nil {
t.Fatalf("icacls failed: %v\n%v", err, string(out))
}
return string(out)
}
func runGetACL(t *testing.T, path string) string {
t.Helper()
cmd := fmt.Sprintf(`Get-Acl "%s" | Select -expand AccessToString`, path)
out, err := exec.Command("powershell", "-Command", cmd).CombinedOutput()
if err != nil {
t.Fatalf("Get-Acl failed: %v\n%v", err, string(out))
}
return string(out)
}
// For issue 22343: verify that executable file created by "go build" command
// has discretionary access control list (DACL) set as if the file
// was created in the destination directory.
func TestACL(t *testing.T) {
tmpdir, err := ioutil.TempDir("", "TestACL")
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tmpdir)
newtmpdir := filepath.Join(tmpdir, "tmp")
err = os.Mkdir(newtmpdir, 0777)
if err != nil {
t.Fatal(err)
}
// When TestACL/tmp directory is created, it will have
// the same security attributes as TestACL.
// Add Guest account full access to TestACL/tmp - this
// will make all files created in TestACL/tmp have different
// security attributes to the files created in TestACL.
runIcacls(t, newtmpdir,
"/grant", "guest:(oi)(ci)f", // add Guest user to have full access
)
src := filepath.Join(tmpdir, "main.go")
err = ioutil.WriteFile(src, []byte("package main; func main() { }\n"), 0644)
if err != nil {
t.Fatal(err)
}
exe := filepath.Join(tmpdir, "main.exe")
cmd := exec.Command(testenv.GoToolPath(t), "build", "-o", exe, src)
cmd.Env = append(os.Environ(),
"TMP="+newtmpdir,
"TEMP="+newtmpdir,
)
out, err := cmd.CombinedOutput()
if err != nil {
t.Fatalf("go command failed: %v\n%v", err, string(out))
}
// exe file is expected to have the same security attributes as the src.
if got, expected := runGetACL(t, exe), runGetACL(t, src); got != expected {
t.Fatalf("expected Get-Acl output of \n%v\n, got \n%v\n", expected, got)
}
}