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Diffstat (limited to 'vendor/golang.org/x/net/icmp/ipv4.go')
-rw-r--r--vendor/golang.org/x/net/icmp/ipv4.go61
1 files changed, 0 insertions, 61 deletions
diff --git a/vendor/golang.org/x/net/icmp/ipv4.go b/vendor/golang.org/x/net/icmp/ipv4.go
deleted file mode 100644
index ffc66ed..0000000
--- a/vendor/golang.org/x/net/icmp/ipv4.go
+++ /dev/null
@@ -1,61 +0,0 @@
-// Copyright 2014 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 icmp
-
-import (
- "encoding/binary"
- "net"
- "runtime"
-
- "golang.org/x/net/internal/socket"
- "golang.org/x/net/ipv4"
-)
-
-// freebsdVersion is set in sys_freebsd.go.
-// See http://www.freebsd.org/doc/en/books/porters-handbook/freebsd-versions.html.
-var freebsdVersion uint32
-
-// ParseIPv4Header parses b as an IPv4 header of ICMP error message
-// invoking packet, which is contained in ICMP error message.
-func ParseIPv4Header(b []byte) (*ipv4.Header, error) {
- if len(b) < ipv4.HeaderLen {
- return nil, errHeaderTooShort
- }
- hdrlen := int(b[0]&0x0f) << 2
- if hdrlen > len(b) {
- return nil, errBufferTooShort
- }
- h := &ipv4.Header{
- Version: int(b[0] >> 4),
- Len: hdrlen,
- TOS: int(b[1]),
- ID: int(binary.BigEndian.Uint16(b[4:6])),
- FragOff: int(binary.BigEndian.Uint16(b[6:8])),
- TTL: int(b[8]),
- Protocol: int(b[9]),
- Checksum: int(binary.BigEndian.Uint16(b[10:12])),
- Src: net.IPv4(b[12], b[13], b[14], b[15]),
- Dst: net.IPv4(b[16], b[17], b[18], b[19]),
- }
- switch runtime.GOOS {
- case "darwin":
- h.TotalLen = int(socket.NativeEndian.Uint16(b[2:4]))
- case "freebsd":
- if freebsdVersion >= 1000000 {
- h.TotalLen = int(binary.BigEndian.Uint16(b[2:4]))
- } else {
- h.TotalLen = int(socket.NativeEndian.Uint16(b[2:4]))
- }
- default:
- h.TotalLen = int(binary.BigEndian.Uint16(b[2:4]))
- }
- h.Flags = ipv4.HeaderFlags(h.FragOff&0xe000) >> 13
- h.FragOff = h.FragOff & 0x1fff
- if hdrlen-ipv4.HeaderLen > 0 {
- h.Options = make([]byte, hdrlen-ipv4.HeaderLen)
- copy(h.Options, b[ipv4.HeaderLen:])
- }
- return h, nil
-}