From 81843a0477c5eba4b3d4f6ff932f748f9e1244e7 Mon Sep 17 00:00:00 2001 From: "Kali Kaneko (leap communications)" Date: Thu, 13 Dec 2018 19:45:48 +0100 Subject: vendor packages --- vendor/golang.org/x/sys/unix/sockcmsg_linux.go | 36 ++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 vendor/golang.org/x/sys/unix/sockcmsg_linux.go (limited to 'vendor/golang.org/x/sys/unix/sockcmsg_linux.go') diff --git a/vendor/golang.org/x/sys/unix/sockcmsg_linux.go b/vendor/golang.org/x/sys/unix/sockcmsg_linux.go new file mode 100644 index 0000000..6079eb4 --- /dev/null +++ b/vendor/golang.org/x/sys/unix/sockcmsg_linux.go @@ -0,0 +1,36 @@ +// Copyright 2011 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. + +// Socket control messages + +package unix + +import "unsafe" + +// UnixCredentials encodes credentials into a socket control message +// for sending to another process. This can be used for +// authentication. +func UnixCredentials(ucred *Ucred) []byte { + b := make([]byte, CmsgSpace(SizeofUcred)) + h := (*Cmsghdr)(unsafe.Pointer(&b[0])) + h.Level = SOL_SOCKET + h.Type = SCM_CREDENTIALS + h.SetLen(CmsgLen(SizeofUcred)) + *((*Ucred)(cmsgData(h))) = *ucred + return b +} + +// ParseUnixCredentials decodes a socket control message that contains +// credentials in a Ucred structure. To receive such a message, the +// SO_PASSCRED option must be enabled on the socket. +func ParseUnixCredentials(m *SocketControlMessage) (*Ucred, error) { + if m.Header.Level != SOL_SOCKET { + return nil, EINVAL + } + if m.Header.Type != SCM_CREDENTIALS { + return nil, EINVAL + } + ucred := *(*Ucred)(unsafe.Pointer(&m.Data[0])) + return &ucred, nil +} -- cgit v1.2.3