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author | Valentin Rothberg <rothberg@redhat.com> | 2019-01-08 14:52:57 +0100 |
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committer | Valentin Rothberg <rothberg@redhat.com> | 2019-01-11 13:38:11 +0100 |
commit | bd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87 (patch) | |
tree | 5f06e4e289f16d9164d692590a3fe6541b5384cf /vendor/golang.org/x/sys/unix/openbsd_unveil.go | |
parent | 545f24421247c9f6251a634764db3f8f8070a812 (diff) | |
download | podman-bd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87.tar.gz podman-bd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87.tar.bz2 podman-bd40dcfc2bc7c9014ea1f33482fb63aacbcdfe87.zip |
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.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 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 +} |