mirror of
https://github.com/golang/sys.git
synced 2026-02-08 11:46:04 +03:00
82968946f5
The pledge code is platform specific, but in no way architecture specific. As such, drop the +build rule that ties it to specific architectures. While here also rename openbsd_pledge.go and openbsd_unveil.go so we can drop the openbsd specific build tags. Change-Id: I7d83796c8f9b46afe2a6790620205df5f7f3d738 Reviewed-on: https://go-review.googlesource.com/c/sys/+/173677 Reviewed-by: Elias Naur <mail@eliasnaur.com> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org> Run-TryBot: Elias Naur <mail@eliasnaur.com> TryBot-Result: Gobot Gobot <gobot@golang.org>
43 lines
1.0 KiB
Go
43 lines
1.0 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package unix
|
|
|
|
import (
|
|
"syscall"
|
|
"unsafe"
|
|
)
|
|
|
|
// Unveil implements the unveil syscall.
|
|
// For more information see unveil(2).
|
|
// Note that the special case of blocking further
|
|
// unveil calls is handled by UnveilBlock.
|
|
func Unveil(path string, flags string) error {
|
|
pathPtr, err := syscall.BytePtrFromString(path)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
flagsPtr, err := syscall.BytePtrFromString(flags)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
_, _, e := syscall.Syscall(SYS_UNVEIL, uintptr(unsafe.Pointer(pathPtr)), uintptr(unsafe.Pointer(flagsPtr)), 0)
|
|
if e != 0 {
|
|
return e
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// UnveilBlock blocks future unveil calls.
|
|
// For more information see unveil(2).
|
|
func UnveilBlock() error {
|
|
// Both pointers must be nil.
|
|
var pathUnsafe, flagsUnsafe unsafe.Pointer
|
|
_, _, e := syscall.Syscall(SYS_UNVEIL, uintptr(pathUnsafe), uintptr(flagsUnsafe), 0)
|
|
if e != 0 {
|
|
return e
|
|
}
|
|
return nil
|
|
}
|