mirror of
https://github.com/gravitational/teleport.git
synced 2026-09-24 16:17:11 +08:00
Zac Bergquist
693d110642
All of our supported release branches are well past Go 1.18, so we don't need to support the old build tag syntax. Changes made by running `go fix ./...`.
123 lines
3.6 KiB
Go
123 lines
3.6 KiB
Go
//go:build !windows
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/*
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* Teleport
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* Copyright (C) 2023 Gravitational, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package utils
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import (
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"os"
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"os/user"
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"path/filepath"
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"strconv"
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"syscall"
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"testing"
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"github.com/stretchr/testify/require"
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)
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// The tests contained here only function on unix systems.
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func setupRecursiveChownFiles(t *testing.T) (string, string, string, string) {
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// Setup will produce the following structure under the temp directory created below:
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// dir1/
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// dir1/file
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// dir2/
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// dir2/file-s -> dir1/file
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rootDir := t.TempDir()
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dir1Path := filepath.Join(rootDir, "dir1")
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require.NoError(t, os.Mkdir(dir1Path, 0755))
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dir1FilePath := filepath.Join(dir1Path, "file")
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f, err := os.Create(dir1FilePath)
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require.NoError(t, err)
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f.Close()
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dir2Path := filepath.Join(rootDir, "dir2")
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require.NoError(t, os.Mkdir(dir2Path, 0755))
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dir2SymlinkToFile := filepath.Join(dir2Path, "file-s")
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err = os.Symlink(dir1FilePath, dir2SymlinkToFile)
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require.NoError(t, err)
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return dir1Path, dir1FilePath, dir2Path, dir2SymlinkToFile
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}
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func setupRecursiveChownUser(t *testing.T) (int, int, int, int, bool) {
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currentUser, err := user.Current()
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require.NoError(t, err)
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currentUID, err := strconv.Atoi(currentUser.Uid)
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require.NoError(t, err)
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currentGID, err := strconv.Atoi(currentUser.Gid)
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require.NoError(t, err)
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root := os.Geteuid() == 0
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newUid := currentUID + 1
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newGid := currentGID + 1
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if !root {
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// `root` is required to actually change ownership, if running under a normal user we will reduce the validation
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newUid = currentUID
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newGid = currentGID
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}
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return currentUID, currentGID, newUid, newGid, root
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}
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func verifyOwnership(t *testing.T, path string, uid, gid int) {
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fi, err := os.Lstat(path)
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require.NoError(t, err)
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fiCast := fi.Sys().(*syscall.Stat_t)
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require.Equal(t, uint32(uid), fiCast.Uid)
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require.Equal(t, uint32(gid), fiCast.Gid)
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}
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func TestRecursiveChown(t *testing.T) {
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t.Run("notFoundError", func(t *testing.T) {
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t.Parallel()
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require.Error(t, RecursiveChown("/invalid/path/to/nowhere", 1000, 1000))
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})
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t.Run("simpleChown", func(t *testing.T) {
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t.Parallel()
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_, _, newUid, newGid, _ := setupRecursiveChownUser(t)
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dir1Path, dir1FilePath, _, _ := setupRecursiveChownFiles(t)
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require.NoError(t, RecursiveChown(dir1Path, newUid, newGid))
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// validate ownership matches expected ids
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verifyOwnership(t, dir1Path, newUid, newGid)
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verifyOwnership(t, dir1FilePath, newUid, newGid)
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})
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t.Run("symlinkChown", func(t *testing.T) {
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t.Parallel()
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origUid, origGid, newUid, newGid, root := setupRecursiveChownUser(t)
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if !root {
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t.Skip("Skipping test, root is required")
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return
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}
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_, dir1FilePath, dir2Path, dir2SymlinkToFile := setupRecursiveChownFiles(t)
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require.NoError(t, RecursiveChown(dir2Path, newUid, newGid))
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// Validate symlink has changed
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verifyOwnership(t, dir2SymlinkToFile, newUid, newGid)
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// Validate pointed file has not changed
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verifyOwnership(t, dir1FilePath, origUid, origGid)
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})
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}
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