server: move linux specific functions to sockopt_linux.go

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>

1 files changed, 8 insertions, 65 deletions

diff --git a/server/sockopt.go b/server/sockopt.go
index 6361a7ae..34d9ed5e 100644
--- a/server/sockopt.go
+++ b/server/sockopt.go
@@ -12,80 +12,23 @@
 // implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
+// +build !linux,!dragonfly,!freebsd,!netbsd,!openbsd
 
 package server
 
 import (
+	"fmt"
 	"net"
-	"os"
-	"strings"
-	"syscall"
-	"unsafe"
 )
 
-const (
-	TCP_MD5SIG = 14
-)
-
-type tcpmd5sig struct {
-	ss_family uint16
-	ss        [126]byte
-	pad1      uint16
-	keylen    uint16
-	pad2      uint32
-	key       [80]byte
-}
-
-func buildTcpMD5Sig(address string, key string) (tcpmd5sig, error) {
-	t := tcpmd5sig{}
-	addr := net.ParseIP(address)
-	if addr.To4() != nil {
-		t.ss_family = syscall.AF_INET
-		copy(t.ss[2:], addr.To4())
-	} else {
-		t.ss_family = syscall.AF_INET6
-		copy(t.ss[6:], addr.To16())
-	}
-
-	t.keylen = uint16(len(key))
-	copy(t.key[0:], []byte(key))
-
-	return t, nil
-}
-
 func SetTcpMD5SigSockopts(l *net.TCPListener, address string, key string) error {
-	t, _ := buildTcpMD5Sig(address, key)
-	fi, err := l.File()
-	defer fi.Close()
-	if err != nil {
-		return err
-	}
-	if l, err := net.FileListener(fi); err == nil {
-		defer l.Close()
-	}
-	_, _, e := syscall.Syscall6(syscall.SYS_SETSOCKOPT, fi.Fd(),
-		uintptr(syscall.IPPROTO_TCP), uintptr(TCP_MD5SIG),
-		uintptr(unsafe.Pointer(&t)), unsafe.Sizeof(t), 0)
-	if e > 0 {
-		return e
-	}
-	return nil
+	return fmt.Errorf("md5 not supported")
 }
 
 func SetTcpTTLSockopts(conn *net.TCPConn, ttl int) error {
-	level := syscall.IPPROTO_IP
-	name := syscall.IP_TTL
-	if strings.Contains(conn.RemoteAddr().String(), "[") {
-		level = syscall.IPPROTO_IPV6
-		name = syscall.IPV6_UNICAST_HOPS
-	}
-	fi, err := conn.File()
-	defer fi.Close()
-	if err != nil {
-		return err
-	}
-	if conn, err := net.FileConn(fi); err == nil {
-		defer conn.Close()
-	}
-	return os.NewSyscallError("setsockopt", syscall.SetsockoptInt(int(fi.Fd()), level, name, ttl))
+	return fmt.Errorf("setting ttl is not supported")
+}
+
+func DialTCPTimeoutWithMD5Sig(host string, port int, localAddr, key string, msec int) (*net.TCPConn, error) {
+	return nil, fmt.Errorf("md5 active connection unsupported")
 }