| 1 | //go:build windows || plan9 |
| 2 | |
| 3 | package checkpoint |
| 4 | |
| 5 | import ( |
| 6 | "os" |
| 7 | ) |
| 8 | |
| 9 | func secureOpenWorkspaceFile(root, abs string) (*os.File, error) { |
| 10 | if err := validateWorkspacePath(root, abs); err != nil { |
| 11 | return nil, err |
| 12 | } |
| 13 | return os.Open(abs) |
| 14 | } |
| 15 | |
| 16 | func secureWriteNew(root, abs string, data []byte, mode os.FileMode) error { |
| 17 | if err := validateWorkspacePath(root, abs); err != nil { |
| 18 | return err |
| 19 | } |
| 20 | return writeNewFile(abs, data, mode) |
| 21 | } |
| 22 | |
| 23 | func secureRename(root, oldAbs, newAbs string) error { |
| 24 | if err := validateWorkspacePath(root, oldAbs); err != nil { |
| 25 | return err |
| 26 | } |
| 27 | if err := validateWorkspacePath(root, newAbs); err != nil { |
| 28 | return err |
| 29 | } |
| 30 | return os.Rename(oldAbs, newAbs) |
| 31 | } |
| 32 | |
| 33 | func secureRemove(root, abs string) error { |
| 34 | if err := validateWorkspacePath(root, abs); err != nil { |
| 35 | return err |
| 36 | } |
| 37 | return os.Remove(abs) |
| 38 | } |
| 39 | |
| 40 | func secureChmod(root, abs string, mode os.FileMode) error { |
| 41 | if err := validateWorkspacePath(root, abs); err != nil { |
| 42 | return err |
| 43 | } |
| 44 | return os.Chmod(abs, mode) |
| 45 | } |
| 46 | |
| 47 | func securePathExists(root, abs string) (bool, error) { |
| 48 | if err := validateWorkspacePath(root, abs); err != nil { |
| 49 | return false, err |
| 50 | } |
| 51 | _, err := os.Lstat(abs) |
| 52 | if os.IsNotExist(err) { |
| 53 | return false, nil |
| 54 | } |
| 55 | return err == nil, err |
| 56 | } |
| 57 | |
| 58 | func secureReadFile(root, abs string) ([]byte, error) { |
| 59 | if err := validateWorkspacePath(root, abs); err != nil { |
| 60 | return nil, err |
| 61 | } |
| 62 | return os.ReadFile(abs) |
| 63 | } |
| 64 |