diff options
Diffstat (limited to 'vendor/golang.org/x/sys/unix/unveil_openbsd.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/unveil_openbsd.go | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/vendor/golang.org/x/sys/unix/unveil_openbsd.go b/vendor/golang.org/x/sys/unix/unveil_openbsd.go deleted file mode 100644 index cb7e598..0000000 --- a/vendor/golang.org/x/sys/unix/unveil_openbsd.go +++ /dev/null | |||
@@ -1,51 +0,0 @@ | |||
1 | // Copyright 2018 The Go Authors. All rights reserved. | ||
2 | // Use of this source code is governed by a BSD-style | ||
3 | // license that can be found in the LICENSE file. | ||
4 | |||
5 | package unix | ||
6 | |||
7 | import "fmt" | ||
8 | |||
9 | // Unveil implements the unveil syscall. | ||
10 | // For more information see unveil(2). | ||
11 | // Note that the special case of blocking further | ||
12 | // unveil calls is handled by UnveilBlock. | ||
13 | func Unveil(path string, flags string) error { | ||
14 | if err := supportsUnveil(); err != nil { | ||
15 | return err | ||
16 | } | ||
17 | pathPtr, err := BytePtrFromString(path) | ||
18 | if err != nil { | ||
19 | return err | ||
20 | } | ||
21 | flagsPtr, err := BytePtrFromString(flags) | ||
22 | if err != nil { | ||
23 | return err | ||
24 | } | ||
25 | return unveil(pathPtr, flagsPtr) | ||
26 | } | ||
27 | |||
28 | // UnveilBlock blocks future unveil calls. | ||
29 | // For more information see unveil(2). | ||
30 | func UnveilBlock() error { | ||
31 | if err := supportsUnveil(); err != nil { | ||
32 | return err | ||
33 | } | ||
34 | return unveil(nil, nil) | ||
35 | } | ||
36 | |||
37 | // supportsUnveil checks for availability of the unveil(2) system call based | ||
38 | // on the running OpenBSD version. | ||
39 | func supportsUnveil() error { | ||
40 | maj, min, err := majmin() | ||
41 | if err != nil { | ||
42 | return err | ||
43 | } | ||
44 | |||
45 | // unveil is not available before 6.4 | ||
46 | if maj < 6 || (maj == 6 && min <= 3) { | ||
47 | return fmt.Errorf("cannot call Unveil on OpenBSD %d.%d", maj, min) | ||
48 | } | ||
49 | |||
50 | return nil | ||
51 | } | ||