Hulk did something

[bytom/vapor.git] / vendor / golang.org / x / net / route / interface_freebsd.go

diff --git a/vendor/golang.org/x/net/route/interface_freebsd.go b/vendor/golang.org/x/net/route/interface_freebsd.go
new file mode 100644 (file)
index 0000000..9f6f50c
--- /dev/null
+++ b/vendor/golang.org/x/net/route/interface_freebsd.go
@@ -0,0 +1,78 @@
+// Copyright 2016 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.
+
+package route
+
+func (w *wireFormat) parseInterfaceMessage(typ RIBType, b []byte) (Message, error) {
+       var extOff, bodyOff int
+       if typ == sysNET_RT_IFLISTL {
+               if len(b) < 20 {
+                       return nil, errMessageTooShort
+               }
+               extOff = int(nativeEndian.Uint16(b[18:20]))
+               bodyOff = int(nativeEndian.Uint16(b[16:18]))
+       } else {
+               extOff = w.extOff
+               bodyOff = w.bodyOff
+       }
+       if len(b) < extOff || len(b) < bodyOff {
+               return nil, errInvalidMessage
+       }
+       l := int(nativeEndian.Uint16(b[:2]))
+       if len(b) < l {
+               return nil, errInvalidMessage
+       }
+       attrs := uint(nativeEndian.Uint32(b[4:8]))
+       if attrs&sysRTA_IFP == 0 {
+               return nil, nil
+       }
+       m := &InterfaceMessage{
+               Version: int(b[2]),
+               Type:    int(b[3]),
+               Flags:   int(nativeEndian.Uint32(b[8:12])),
+               Index:   int(nativeEndian.Uint16(b[12:14])),
+               Addrs:   make([]Addr, sysRTAX_MAX),
+               extOff:  extOff,
+               raw:     b[:l],
+       }
+       a, err := parseLinkAddr(b[bodyOff:])
+       if err != nil {
+               return nil, err
+       }
+       m.Addrs[sysRTAX_IFP] = a
+       m.Name = a.(*LinkAddr).Name
+       return m, nil
+}
+
+func (w *wireFormat) parseInterfaceAddrMessage(typ RIBType, b []byte) (Message, error) {
+       var bodyOff int
+       if typ == sysNET_RT_IFLISTL {
+               if len(b) < 24 {
+                       return nil, errMessageTooShort
+               }
+               bodyOff = int(nativeEndian.Uint16(b[16:18]))
+       } else {
+               bodyOff = w.bodyOff
+       }
+       if len(b) < bodyOff {
+               return nil, errInvalidMessage
+       }
+       l := int(nativeEndian.Uint16(b[:2]))
+       if len(b) < l {
+               return nil, errInvalidMessage
+       }
+       m := &InterfaceAddrMessage{
+               Version: int(b[2]),
+               Type:    int(b[3]),
+               Flags:   int(nativeEndian.Uint32(b[8:12])),
+               Index:   int(nativeEndian.Uint16(b[12:14])),
+               raw:     b[:l],
+       }
+       var err error
+       m.Addrs, err = parseAddrs(uint(nativeEndian.Uint32(b[4:8])), parseKernelInetAddr, b[bodyOff:])
+       if err != nil {
+               return nil, err
+       }
+       return m, nil
+}