AF_IUCV work

unix/linux/types.go

@@ -540,6 +540,8 @@ type RawSockaddrL2TPIP C.struct_sockaddr_l2tpip
 
 type RawSockaddrL2TPIP6 C.struct_sockaddr_l2tpip6
 
+type RawSockaddrIUCV C.struct_sockaddr_iucv
+
 type RawSockaddr C.struct_sockaddr
 
 type RawSockaddrAny C.struct_sockaddr_any
@@ -594,6 +596,7 @@ const (
 	SizeofSockaddrTIPC      = C.sizeof_struct_sockaddr_tipc
 	SizeofSockaddrL2TPIP    = C.sizeof_struct_sockaddr_l2tpip
 	SizeofSockaddrL2TPIP6   = C.sizeof_struct_sockaddr_l2tpip6
+	SizeofSockaddrIUCV      = C.sizeof_struct_sockaddr_iucv
 	SizeofLinger            = C.sizeof_struct_linger
 	SizeofIovec             = C.sizeof_struct_iovec
 	SizeofIPMreq            = C.sizeof_struct_ip_mreq

unix/syscall_linux.go

@@ -885,6 +885,25 @@ func (sa *SockaddrL2TPIP6) sockaddr() (unsafe.Pointer, _Socklen, error) {
 	return unsafe.Pointer(&sa.raw), SizeofSockaddrL2TPIP6, nil
 }
 
+// SockaddrIUCV implements the Sockaddr interface for AF_IUCV sockets.
+type SockaddrIUCV struct {
+	UserID string
+	Name   string
+	raw    RawSockaddrIUCV
+}
+
+func (sa *SockaddrIUCV) sockaddr() (unsafe.Pointer, _Socklen, error) {
+	sa.raw.Family = AF_IUCV
+	for i := 0; i < 8; i++ {
+		sa.raw.Nodeid[i] = ' '
+		sa.raw.User_id[i] = ' '
+		sa.raw.Name[i] = ' '
+	}
+	copy(sa.raw.User_id[:], []byte(sa.UserID))
+	copy(sa.raw.Name[:], []byte(sa.Name))
+	return unsafe.Pointer(&sa.raw), SizeofSockaddrIUCV, nil
+}
+
 func anyToSockaddr(fd int, rsa *RawSockaddrAny) (Sockaddr, error) {
 	switch rsa.Addr.Family {
 	case AF_NETLINK:

unix/ztypes_linux.go

@@ -310,6 +310,15 @@ type RawSockaddrL2TPIP6 struct {
 	Conn_id  uint32
 }
 
+type RawSockaddrIUCV struct {
+	Family   uint16
+	Port     uint16
+	Addr     uint32
+	Nodeid   [8]byte
+	User_id  [8]byte
+	Name     [8]byte
+}
+
 type _Socklen uint32
 
 type Linger struct {
@@ -422,6 +431,7 @@ const (
 	SizeofSockaddrTIPC      = 0x10
 	SizeofSockaddrL2TPIP    = 0x10
 	SizeofSockaddrL2TPIP6   = 0x20
+	SizeofSockaddrIUCV      = 0x20
 	SizeofLinger            = 0x8
 	SizeofIPMreq            = 0x8
 	SizeofIPMreqn           = 0xc