diff options
author | Frédéric Guillot <fred@miniflux.net> | 2019-09-05 21:39:32 -0700 |
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committer | Frédéric Guillot <fred@miniflux.net> | 2019-09-05 21:53:12 -0700 |
commit | b94160df725a52af53f113bf27de7a7b8723174c (patch) | |
tree | 9e86b227d4683f26da9b393410df1bedc2e95074 /vendor/golang.org/x/sys/unix/unveil_openbsd.go | |
parent | 456ebaf423ce2122bf8faa36da464c5d90361204 (diff) |
Update dependencies
Diffstat (limited to 'vendor/golang.org/x/sys/unix/unveil_openbsd.go')
-rw-r--r-- | vendor/golang.org/x/sys/unix/unveil_openbsd.go | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/unveil_openbsd.go b/vendor/golang.org/x/sys/unix/unveil_openbsd.go new file mode 100644 index 0000000..168d5ae --- /dev/null +++ b/vendor/golang.org/x/sys/unix/unveil_openbsd.go @@ -0,0 +1,42 @@ +// 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 +} |