[chore] Validate/set account domain (#619)

* add miekg/dns dependency

* set/validate accountDomain

1 files changed, 17 insertions, 0 deletions

diff --git a/vendor/golang.org/x/net/internal/socket/msghdr_bsdvar.go b/vendor/golang.org/x/net/internal/socket/msghdr_bsdvar.go
new file mode 100644
index 000000000..5b8e00f1c
--- /dev/null
+++ b/vendor/golang.org/x/net/internal/socket/msghdr_bsdvar.go
@@ -0,0 +1,17 @@
+// 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 || netbsd
+// +build aix darwin dragonfly freebsd netbsd
+
+package socket
+
+func (h *msghdr) setIov(vs []iovec) {
+	l := len(vs)
+	if l == 0 {
+		return
+	}
+	h.Iov = &vs[0]
+	h.Iovlen = int32(l)
+}