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leongross
73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
//go:build !baremetal && !js && !wasip1 && !wasip2
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// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// TODO: Move this back into os_test.go (as upstream has it) when wasi supports chmod
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package os_test
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import (
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"errors"
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"io/fs"
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. "os"
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"runtime"
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"testing"
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)
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func TestChmod(t *testing.T) {
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// Chmod
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f := newFile("TestChmod", t)
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defer Remove(f.Name())
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defer f.Close()
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// Creation mode is read write
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fm := FileMode(0456)
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if runtime.GOOS == "windows" {
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fm = FileMode(0444) // read-only file
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}
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if err := Chmod(f.Name(), fm); err != nil {
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t.Fatalf("chmod %s %#o: %s", f.Name(), fm, err)
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}
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checkMode(t, f.Name(), fm)
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}
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// Since testing syscalls requires a static, predictable environment that has to be controlled
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// by the CI, we don't test for success but for failures and verify that the error messages are as expected.
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// EACCES is returned when the user does not have the required permissions to change the ownership of the file
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// ENOENT is returned when the file does not exist
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// ENOTDIR is returned when the file is not a directory
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func TestChownErr(t *testing.T) {
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if runtime.GOOS == "windows" || runtime.GOOS == "plan9" {
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t.Log("skipping on " + runtime.GOOS)
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return
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}
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var (
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TEST_UID_ROOT = 0
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TEST_GID_ROOT = 0
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)
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f := newFile("TestChown", t)
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defer Remove(f.Name())
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defer f.Close()
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// EACCES
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if err := Chown(f.Name(), TEST_UID_ROOT, TEST_GID_ROOT); err != nil {
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errCmp := fs.PathError{Op: "chown", Path: f.Name(), Err: errors.New("operation not permitted")}
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if errors.Is(err, &errCmp) {
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t.Fatalf("chown(%s, uid=%v, gid=%v): got '%v', want 'operation not permitted'", f.Name(), TEST_UID_ROOT, TEST_GID_ROOT, err)
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}
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}
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// ENOENT
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if err := Chown("invalid", Geteuid(), Getgid()); err != nil {
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errCmp := fs.PathError{Op: "chown", Path: "invalid", Err: errors.New("no such file or directory")}
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if errors.Is(err, &errCmp) {
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t.Fatalf("chown(%s, uid=%v, gid=%v): got '%v', want 'no such file or directory'", f.Name(), Geteuid(), Getegid(), err)
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}
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}
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}
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