mirror of
https://github.com/rwinkhart/peercred-mini.git
synced 2026-08-27 20:36:30 -04:00
40 lines
792 B
Go
40 lines
792 B
Go
// Copyright (c) 2021 AUTHORS All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package peercred
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import (
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"fmt"
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"net"
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"strconv"
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"github.com/rwinkhart/sys/unix"
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)
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func getUnix(c *net.UnixConn) (*Creds, error) {
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raw, err := c.SyscallConn()
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if err != nil {
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return nil, fmt.Errorf("SyscallConn: %w", err)
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}
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var creds *unix.Ucred
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cerr := raw.Control(func(fd uintptr) {
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creds, err = unix.GetPeerUcred(fd)
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if err != nil {
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err = fmt.Errorf("unix.GetPeerUcred: %w", err)
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return
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}
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})
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if cerr != nil {
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return nil, fmt.Errorf("raw.Control: %w", cerr)
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}
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if err != nil {
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return nil, err
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}
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return &Creds{
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pid: creds.Getpid(),
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uid: strconv.FormatUint(uint64(creds.Geteuid()), 10),
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}, nil
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}
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