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Diffstat (limited to 'vendor/golang.org/x/sys/unix/openbsd_pledge.go')
-rw-r--r--vendor/golang.org/x/sys/unix/openbsd_pledge.go95
1 files changed, 0 insertions, 95 deletions
diff --git a/vendor/golang.org/x/sys/unix/openbsd_pledge.go b/vendor/golang.org/x/sys/unix/openbsd_pledge.go
deleted file mode 100644
index 11388e5..0000000
--- a/vendor/golang.org/x/sys/unix/openbsd_pledge.go
+++ /dev/null
@@ -1,95 +0,0 @@
-// Copyright 2016 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
-// +build 386 amd64 arm
-
-package unix
-
-import (
- "errors"
- "fmt"
- "strconv"
- "syscall"
- "unsafe"
-)
-
-const (
- _SYS_PLEDGE = 108
-)
-
-// Pledge implements the pledge syscall.
-//
-// The pledge syscall does not accept execpromises on OpenBSD releases
-// before 6.3.
-//
-// execpromises must be empty when Pledge is called on OpenBSD
-// releases predating 6.3, otherwise an error will be returned.
-//
-// For more information see pledge(2).
-func Pledge(promises, execpromises string) error {
- maj, min, err := majmin()
- if err != nil {
- return err
- }
-
- // If OpenBSD <= 5.9, pledge is not available.
- if (maj == 5 && min != 9) || maj < 5 {
- return fmt.Errorf("pledge syscall is not available on OpenBSD %d.%d", maj, min)
- }
-
- // If OpenBSD <= 6.2 and execpromises is not empty
- // return an error - execpromises is not available before 6.3
- if (maj < 6 || (maj == 6 && min <= 2)) && execpromises != "" {
- return fmt.Errorf("cannot use execpromises on OpenBSD %d.%d", maj, min)
- }
-
- pptr, err := syscall.BytePtrFromString(promises)
- if err != nil {
- return err
- }
-
- // This variable will hold either a nil unsafe.Pointer or
- // an unsafe.Pointer to a string (execpromises).
- var expr unsafe.Pointer
-
- // If we're running on OpenBSD > 6.2, pass execpromises to the syscall.
- if maj > 6 || (maj == 6 && min > 2) {
- exptr, err := syscall.BytePtrFromString(execpromises)
- if err != nil {
- return err
- }
- expr = unsafe.Pointer(exptr)
- }
-
- _, _, e := syscall.Syscall(_SYS_PLEDGE, uintptr(unsafe.Pointer(pptr)), uintptr(expr), 0)
- if e != 0 {
- return e
- }
-
- return nil
-}
-
-// majmin returns major and minor version number for an OpenBSD system.
-func majmin() (major int, minor int, err error) {
- var v Utsname
- err = Uname(&v)
- if err != nil {
- return
- }
-
- major, err = strconv.Atoi(string(v.Release[0]))
- if err != nil {
- err = errors.New("cannot parse major version number returned by uname")
- return
- }
-
- minor, err = strconv.Atoi(string(v.Release[2]))
- if err != nil {
- err = errors.New("cannot parse minor version number returned by uname")
- return
- }
-
- return
-}