// 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

		{"Ucred", Type, 0},
		{"Ucred.Gid", Field, 0},
		{"Ucred.Pid", Field, 0},
		{"Ucred.Uid", Field, 0},
		{"Umask", Func, 0},
		{"Uname", Func, 0},
		{"Undelete", Func, 0},
		{"UnixCredentials", Func, 0},
		{"UnixRights", Func, 0},
		{"Unlink", Func, 0},
		{"Unlinkat", Func, 0},
		{"UnmapViewOfFile", Func, 0},
		{"Unmount", Func, 0},
		{"Unsetenv", Func, 4},
		{"Unshare", Func, 0},