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authorValentin Rothberg <rothberg@redhat.com>2019-01-08 14:52:57 +0100
committerValentin Rothberg <rothberg@redhat.com>2019-01-11 13:38:11 +0100
commitbd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87 (patch)
tree5f06e4e289f16d9164d692590a3fe6541b5384cf /vendor/golang.org/x/sys/unix/openbsd_unveil.go
parent545f24421247c9f6251a634764db3f8f8070a812 (diff)
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vendor: update everything
* If possible, update each dependency to the latest available version. * Use releases over commit IDs and avoid vendoring branches. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'vendor/golang.org/x/sys/unix/openbsd_unveil.go')
-rw-r--r--vendor/golang.org/x/sys/unix/openbsd_unveil.go44
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 000000000..aebc2dc57
--- /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
+}