From cf5c6d724d381a867a7ff5d82fb9432e26c395e8 Mon Sep 17 00:00:00 2001
From: tobi <31960611+tsmethurst@users.noreply.github.com>
Date: Sat, 11 Jun 2022 11:09:31 +0200
Subject: [chore] Validate/set account domain (#619)

* add miekg/dns dependency

* set/validate accountDomain
---
 .../x/net/internal/socket/rawconn_msg.go           | 74 ++++++++++++++++++++++
 1 file changed, 74 insertions(+)
 create mode 100644 vendor/golang.org/x/net/internal/socket/rawconn_msg.go

(limited to 'vendor/golang.org/x/net/internal/socket/rawconn_msg.go')

diff --git a/vendor/golang.org/x/net/internal/socket/rawconn_msg.go b/vendor/golang.org/x/net/internal/socket/rawconn_msg.go
new file mode 100644
index 000000000..ba53f564b
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/rawconn_msg.go
@@ -0,0 +1,74 @@
+// Copyright 2017 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.
+
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris || windows || zos
+// +build aix darwin dragonfly freebsd linux netbsd openbsd solaris windows zos
+
+package socket
+
+import (
+	"os"
+)
+
+func (c *Conn) recvMsg(m *Message, flags int) error {
+	m.raceWrite()
+	var h msghdr
+	vs := make([]iovec, len(m.Buffers))
+	var sa []byte
+	if c.network != "tcp" {
+		sa = make([]byte, sizeofSockaddrInet6)
+	}
+	h.pack(vs, m.Buffers, m.OOB, sa)
+	var operr error
+	var n int
+	fn := func(s uintptr) bool {
+		n, operr = recvmsg(s, &h, flags)
+		return ioComplete(flags, operr)
+	}
+	if err := c.c.Read(fn); err != nil {
+		return err
+	}
+	if operr != nil {
+		return os.NewSyscallError("recvmsg", operr)
+	}
+	if c.network != "tcp" {
+		var err error
+		m.Addr, err = parseInetAddr(sa[:], c.network)
+		if err != nil {
+			return err
+		}
+	}
+	m.N = n
+	m.NN = h.controllen()
+	m.Flags = h.flags()
+	return nil
+}
+
+func (c *Conn) sendMsg(m *Message, flags int) error {
+	m.raceRead()
+	var h msghdr
+	vs := make([]iovec, len(m.Buffers))
+	var sa []byte
+	if m.Addr != nil {
+		var a [sizeofSockaddrInet6]byte
+		n := marshalInetAddr(m.Addr, a[:])
+		sa = a[:n]
+	}
+	h.pack(vs, m.Buffers, m.OOB, sa)
+	var operr error
+	var n int
+	fn := func(s uintptr) bool {
+		n, operr = sendmsg(s, &h, flags)
+		return ioComplete(flags, operr)
+	}
+	if err := c.c.Write(fn); err != nil {
+		return err
+	}
+	if operr != nil {
+		return os.NewSyscallError("sendmsg", operr)
+	}
+	m.N = n
+	m.NN = len(m.OOB)
+	return nil
+}
-- 
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