blob: 22a8a1c289e08a18ac54ffd3fcff79f4014ae636 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
package ctlsock
import (
"path/filepath"
"strings"
)
// SanitizePath adapts filepath.Clean for FUSE paths.
// 1) A leading slash is dropped
// 2) It returns "" instead of "."
// 3) If the cleaned path points above CWD (start with ".."), an empty string
// is returned
// See the TestSanitizePath testcases for examples.
func SanitizePath(path string) string {
if len(path) == 0 {
return ""
}
// Drop leading slash
if path[0] == '/' {
path = path[1:]
}
clean := filepath.Clean(path)
if clean == "." {
return ""
}
if clean == ".." || strings.HasPrefix(clean, "../") {
return ""
}
return clean
}
|
