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| author | Stefan Majewsky <majewsky@gmx.net> | 2019-10-29 16:51:07 +0100 |
|---|---|---|
| committer | Stefan Majewsky <majewsky@gmx.net> | 2019-10-29 16:51:07 +0100 |
| commit | afe18e86a7aa2248c69997ed941bcbe3e6b2a655 (patch) | |
| tree | 7aaef5752ba8ad3465e9638c7adca71e1a103ee3 /vendor/golang.org/x/sys/unix/openbsd_unveil.go | |
| parent | ef84ca3e82f422118c69a0c562433c185e1dcb9b (diff) | |
| download | gofu-afe18e86a7aa2248c69997ed941bcbe3e6b2a655.tar.gz | |
switch to go.mod
Diffstat (limited to 'vendor/golang.org/x/sys/unix/openbsd_unveil.go')
| -rw-r--r-- | vendor/golang.org/x/sys/unix/openbsd_unveil.go | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/openbsd_unveil.go b/vendor/golang.org/x/sys/unix/openbsd_unveil.go new file mode 100644 index 0000000..aebc2dc --- /dev/null +++ b/vendor/golang.org/x/sys/unix/openbsd_unveil.go @@ -0,0 +1,44 @@ +// 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. + +// +build openbsd + +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 +} |
