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83 lines
2.0 KiB
83 lines
2.0 KiB
//go:build !windows
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/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main
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import (
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"bytes"
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"io"
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"os"
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"path/filepath"
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"strings"
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"testing"
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)
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func checkPermsStderr() (string, error) {
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r, w, err := os.Pipe()
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if err != nil {
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return "", err
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}
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stderr := os.Stderr
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os.Stderr = w
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defer func() {
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os.Stderr = stderr
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}()
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checkPerms()
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w.Close()
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var text bytes.Buffer
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io.Copy(&text, r)
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return text.String(), nil
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}
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func TestCheckPerms(t *testing.T) {
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tdir := t.TempDir()
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tfile := filepath.Join(tdir, "testconfig")
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fh, err := os.OpenFile(tfile, os.O_CREATE|os.O_APPEND|os.O_RDWR, 0440)
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if err != nil {
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t.Errorf("Failed to create temp file: %s", err)
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}
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tconfig := settings.KubeConfig
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settings.KubeConfig = tfile
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defer func() { settings.KubeConfig = tconfig }()
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text, err := checkPermsStderr()
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if err != nil {
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t.Fatalf("could not read from stderr: %s", err)
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}
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expectPrefix := "WARNING: Kubernetes configuration file is group-readable. This is insecure. Location:"
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if !strings.HasPrefix(text, expectPrefix) {
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t.Errorf("Expected to get a warning for group perms. Got %q", text)
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}
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if err := fh.Chmod(0404); err != nil {
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t.Errorf("Could not change mode on file: %s", err)
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}
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text, err = checkPermsStderr()
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if err != nil {
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t.Fatalf("could not read from stderr: %s", err)
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}
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expectPrefix = "WARNING: Kubernetes configuration file is world-readable. This is insecure. Location:"
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if !strings.HasPrefix(text, expectPrefix) {
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t.Errorf("Expected to get a warning for world perms. Got %q", text)
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}
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}
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