.gitignore added

[dotfiles/.git] / .config / coc / extensions / coc-go-data / tools / pkg / mod / golang.org / x / sys@v0.0.0-20210124154548-22da62e12c0c / unix / sockcmsg_linux.go

diff --git a/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/sys@v0.0.0-20210124154548-22da62e12c0c/unix/sockcmsg_linux.go b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/sys@v0.0.0-20210124154548-22da62e12c0c/unix/sockcmsg_linux.go
new file mode 100644 (file)
index 0000000..8bf4570
--- /dev/null
+++ b/.config/coc/extensions/coc-go-data/tools/pkg/mod/golang.org/x/sys@v0.0.0-20210124154548-22da62e12c0c/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)(h.data(0)) = *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
+}