forked from github/multus-cni
ac21a96804
gomodule is still in progress to migrate for now, hence multus team decide to keep vendor directory to support build without gomodule.
45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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// +build openbsd
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package unix
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import (
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"syscall"
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"unsafe"
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)
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// Unveil implements the unveil syscall.
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// For more information see unveil(2).
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// Note that the special case of blocking further
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// unveil calls is handled by UnveilBlock.
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func Unveil(path string, flags string) error {
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pathPtr, err := syscall.BytePtrFromString(path)
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if err != nil {
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return err
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}
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flagsPtr, err := syscall.BytePtrFromString(flags)
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if err != nil {
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return err
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}
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_, _, e := syscall.Syscall(SYS_UNVEIL, uintptr(unsafe.Pointer(pathPtr)), uintptr(unsafe.Pointer(flagsPtr)), 0)
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if e != 0 {
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return e
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}
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return nil
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}
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// UnveilBlock blocks future unveil calls.
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// For more information see unveil(2).
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func UnveilBlock() error {
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// Both pointers must be nil.
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var pathUnsafe, flagsUnsafe unsafe.Pointer
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_, _, e := syscall.Syscall(SYS_UNVEIL, uintptr(pathUnsafe), uintptr(flagsUnsafe), 0)
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if e != 0 {
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return e
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}
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return nil
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}
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