| // Copyright 2016 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. |
| |
| // +build openbsd |
| // +build 386 amd64 arm |
| |
| package unix |
| |
| import ( |
| "syscall" |
| "unsafe" |
| ) |
| |
| const ( |
| SYS_PLEDGE = 108 |
| ) |
| |
| // Pledge implements the pledge syscall. For more information see pledge(2). |
| func Pledge(promises string, paths []string) error { |
| promisesPtr, err := syscall.BytePtrFromString(promises) |
| if err != nil { |
| return err |
| } |
| promisesUnsafe, pathsUnsafe := unsafe.Pointer(promisesPtr), unsafe.Pointer(nil) |
| if paths != nil { |
| var pathsPtr []*byte |
| if pathsPtr, err = syscall.SlicePtrFromStrings(paths); err != nil { |
| return err |
| } |
| pathsUnsafe = unsafe.Pointer(&pathsPtr[0]) |
| } |
| _, _, e := syscall.Syscall(SYS_PLEDGE, uintptr(promisesUnsafe), uintptr(pathsUnsafe), 0) |
| if e != 0 { |
| return e |
| } |
| return nil |
| } |