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authorGibheer <gibheer+git@zero-knowledge.org>2024-09-05 19:38:25 +0200
committerGibheer <gibheer+git@zero-knowledge.org>2024-09-05 19:38:25 +0200
commit6ea4d2c82de80efc87708e5e182034b7c6c2019e (patch)
tree35c0856a929040216c82153ca62d43b27530a887 /vendor/golang.org/x/sys/unix/sockcmsg_zos.go
parent6f64eeace1b66639b9380b44e88a8d54850a4306 (diff)
switch from github.com/lib/pq to github.com/jackc/pgx/v5HEAD20240905master
lib/pq is out of maintenance for some time now, so switch to the newer more active library. Looks like it finally stabilized after a long time.
Diffstat (limited to 'vendor/golang.org/x/sys/unix/sockcmsg_zos.go')
-rw-r--r--vendor/golang.org/x/sys/unix/sockcmsg_zos.go58
1 files changed, 58 insertions, 0 deletions
diff --git a/vendor/golang.org/x/sys/unix/sockcmsg_zos.go b/vendor/golang.org/x/sys/unix/sockcmsg_zos.go
new file mode 100644
index 0000000..3e53dbc
--- /dev/null
+++ b/vendor/golang.org/x/sys/unix/sockcmsg_zos.go
@@ -0,0 +1,58 @@
+// Copyright 2024 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
+}
+
+// PktInfo4 encodes Inet4Pktinfo into a socket control message of type IP_PKTINFO.
+func PktInfo4(info *Inet4Pktinfo) []byte {
+ b := make([]byte, CmsgSpace(SizeofInet4Pktinfo))
+ h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
+ h.Level = SOL_IP
+ h.Type = IP_PKTINFO
+ h.SetLen(CmsgLen(SizeofInet4Pktinfo))
+ *(*Inet4Pktinfo)(h.data(0)) = *info
+ return b
+}
+
+// PktInfo6 encodes Inet6Pktinfo into a socket control message of type IPV6_PKTINFO.
+func PktInfo6(info *Inet6Pktinfo) []byte {
+ b := make([]byte, CmsgSpace(SizeofInet6Pktinfo))
+ h := (*Cmsghdr)(unsafe.Pointer(&b[0]))
+ h.Level = SOL_IPV6
+ h.Type = IPV6_PKTINFO
+ h.SetLen(CmsgLen(SizeofInet6Pktinfo))
+ *(*Inet6Pktinfo)(h.data(0)) = *info
+ return b
+}