diff options
author | Dimitri Sokolyuk <demon@dim13.org> | 2019-07-02 12:12:53 +0200 |
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committer | Dimitri Sokolyuk <demon@dim13.org> | 2019-07-02 12:12:53 +0200 |
commit | 473acc61c8392dc7ae303d91568e179c4f105a76 (patch) | |
tree | a2070cba25f918cda460387e587dd60551b23894 /vendor/golang.org/x/net/ipv4/packet.go | |
parent | dd45f63209a8e51979b11182253ee80b5289c10a (diff) |
add black list
Diffstat (limited to 'vendor/golang.org/x/net/ipv4/packet.go')
-rw-r--r-- | vendor/golang.org/x/net/ipv4/packet.go | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/vendor/golang.org/x/net/ipv4/packet.go b/vendor/golang.org/x/net/ipv4/packet.go deleted file mode 100644 index 966bb77..0000000 --- a/vendor/golang.org/x/net/ipv4/packet.go +++ /dev/null @@ -1,68 +0,0 @@ -// Copyright 2012 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 ipv4 - -import ( - "net" - - "golang.org/x/net/internal/socket" -) - -// BUG(mikio): On Windows, the ReadFrom and WriteTo methods of RawConn -// are not implemented. - -// A packetHandler represents the IPv4 datagram handler. -type packetHandler struct { - *net.IPConn - *socket.Conn - rawOpt -} - -func (c *packetHandler) ok() bool { return c != nil && c.IPConn != nil && c.Conn != nil } - -// ReadFrom reads an IPv4 datagram from the endpoint c, copying the -// datagram into b. It returns the received datagram as the IPv4 -// header h, the payload p and the control message cm. -func (c *packetHandler) ReadFrom(b []byte) (h *Header, p []byte, cm *ControlMessage, err error) { - if !c.ok() { - return nil, nil, nil, errInvalidConn - } - return c.readFrom(b) -} - -func slicePacket(b []byte) (h, p []byte, err error) { - if len(b) < HeaderLen { - return nil, nil, errHeaderTooShort - } - hdrlen := int(b[0]&0x0f) << 2 - return b[:hdrlen], b[hdrlen:], nil -} - -// WriteTo writes an IPv4 datagram through the endpoint c, copying the -// datagram from the IPv4 header h and the payload p. The control -// message cm allows the datagram path and the outgoing interface to be -// specified. Currently only Darwin and Linux support this. The cm -// may be nil if control of the outgoing datagram is not required. -// -// The IPv4 header h must contain appropriate fields that include: -// -// Version = <must be specified> -// Len = <must be specified> -// TOS = <must be specified> -// TotalLen = <must be specified> -// ID = platform sets an appropriate value if ID is zero -// FragOff = <must be specified> -// TTL = <must be specified> -// Protocol = <must be specified> -// Checksum = platform sets an appropriate value if Checksum is zero -// Src = platform sets an appropriate value if Src is nil -// Dst = <must be specified> -// Options = optional -func (c *packetHandler) WriteTo(h *Header, p []byte, cm *ControlMessage) error { - if !c.ok() { - return errInvalidConn - } - return c.writeTo(h, p, cm) -} |