From 473acc61c8392dc7ae303d91568e179c4f105a76 Mon Sep 17 00:00:00 2001 From: Dimitri Sokolyuk Date: Tue, 2 Jul 2019 12:12:53 +0200 Subject: add black list --- vendor/golang.org/x/net/internal/socket/socket.go | 285 ---------------------- 1 file changed, 285 deletions(-) delete mode 100644 vendor/golang.org/x/net/internal/socket/socket.go (limited to 'vendor/golang.org/x/net/internal/socket/socket.go') diff --git a/vendor/golang.org/x/net/internal/socket/socket.go b/vendor/golang.org/x/net/internal/socket/socket.go deleted file mode 100644 index 5f9730e..0000000 --- a/vendor/golang.org/x/net/internal/socket/socket.go +++ /dev/null @@ -1,285 +0,0 @@ -// Copyright 2017 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 socket provides a portable interface for socket system -// calls. -package socket // import "golang.org/x/net/internal/socket" - -import ( - "errors" - "net" - "unsafe" -) - -// An Option represents a sticky socket option. -type Option struct { - Level int // level - Name int // name; must be equal or greater than 1 - Len int // length of value in bytes; must be equal or greater than 1 -} - -// Get reads a value for the option from the kernel. -// It returns the number of bytes written into b. -func (o *Option) Get(c *Conn, b []byte) (int, error) { - if o.Name < 1 || o.Len < 1 { - return 0, errors.New("invalid option") - } - if len(b) < o.Len { - return 0, errors.New("short buffer") - } - return o.get(c, b) -} - -// GetInt returns an integer value for the option. -// -// The Len field of Option must be either 1 or 4. -func (o *Option) GetInt(c *Conn) (int, error) { - if o.Len != 1 && o.Len != 4 { - return 0, errors.New("invalid option") - } - var b []byte - var bb [4]byte - if o.Len == 1 { - b = bb[:1] - } else { - b = bb[:4] - } - n, err := o.get(c, b) - if err != nil { - return 0, err - } - if n != o.Len { - return 0, errors.New("invalid option length") - } - if o.Len == 1 { - return int(b[0]), nil - } - return int(NativeEndian.Uint32(b[:4])), nil -} - -// Set writes the option and value to the kernel. -func (o *Option) Set(c *Conn, b []byte) error { - if o.Name < 1 || o.Len < 1 { - return errors.New("invalid option") - } - if len(b) < o.Len { - return errors.New("short buffer") - } - return o.set(c, b) -} - -// SetInt writes the option and value to the kernel. -// -// The Len field of Option must be either 1 or 4. -func (o *Option) SetInt(c *Conn, v int) error { - if o.Len != 1 && o.Len != 4 { - return errors.New("invalid option") - } - var b []byte - if o.Len == 1 { - b = []byte{byte(v)} - } else { - var bb [4]byte - NativeEndian.PutUint32(bb[:o.Len], uint32(v)) - b = bb[:4] - } - return o.set(c, b) -} - -func controlHeaderLen() int { - return roundup(sizeofCmsghdr) -} - -func controlMessageLen(dataLen int) int { - return roundup(sizeofCmsghdr) + dataLen -} - -// ControlMessageSpace returns the whole length of control message. -func ControlMessageSpace(dataLen int) int { - return roundup(sizeofCmsghdr) + roundup(dataLen) -} - -// A ControlMessage represents the head message in a stream of control -// messages. -// -// A control message comprises of a header, data and a few padding -// fields to conform to the interface to the kernel. -// -// See RFC 3542 for further information. -type ControlMessage []byte - -// Data returns the data field of the control message at the head on -// m. -func (m ControlMessage) Data(dataLen int) []byte { - l := controlHeaderLen() - if len(m) < l || len(m) < l+dataLen { - return nil - } - return m[l : l+dataLen] -} - -// Next returns the control message at the next on m. -// -// Next works only for standard control messages. -func (m ControlMessage) Next(dataLen int) ControlMessage { - l := ControlMessageSpace(dataLen) - if len(m) < l { - return nil - } - return m[l:] -} - -// MarshalHeader marshals the header fields of the control message at -// the head on m. -func (m ControlMessage) MarshalHeader(lvl, typ, dataLen int) error { - if len(m) < controlHeaderLen() { - return errors.New("short message") - } - h := (*cmsghdr)(unsafe.Pointer(&m[0])) - h.set(controlMessageLen(dataLen), lvl, typ) - return nil -} - -// ParseHeader parses and returns the header fields of the control -// message at the head on m. -func (m ControlMessage) ParseHeader() (lvl, typ, dataLen int, err error) { - l := controlHeaderLen() - if len(m) < l { - return 0, 0, 0, errors.New("short message") - } - h := (*cmsghdr)(unsafe.Pointer(&m[0])) - return h.lvl(), h.typ(), int(uint64(h.len()) - uint64(l)), nil -} - -// Marshal marshals the control message at the head on m, and returns -// the next control message. -func (m ControlMessage) Marshal(lvl, typ int, data []byte) (ControlMessage, error) { - l := len(data) - if len(m) < ControlMessageSpace(l) { - return nil, errors.New("short message") - } - h := (*cmsghdr)(unsafe.Pointer(&m[0])) - h.set(controlMessageLen(l), lvl, typ) - if l > 0 { - copy(m.Data(l), data) - } - return m.Next(l), nil -} - -// Parse parses m as a single or multiple control messages. -// -// Parse works for both standard and compatible messages. -func (m ControlMessage) Parse() ([]ControlMessage, error) { - var ms []ControlMessage - for len(m) >= controlHeaderLen() { - h := (*cmsghdr)(unsafe.Pointer(&m[0])) - l := h.len() - if l <= 0 { - return nil, errors.New("invalid header length") - } - if uint64(l) < uint64(controlHeaderLen()) { - return nil, errors.New("invalid message length") - } - if uint64(l) > uint64(len(m)) { - return nil, errors.New("short buffer") - } - // On message reception: - // - // |<- ControlMessageSpace --------------->| - // |<- controlMessageLen ---------->| | - // |<- controlHeaderLen ->| | | - // +---------------+------+---------+------+ - // | Header | PadH | Data | PadD | - // +---------------+------+---------+------+ - // - // On compatible message reception: - // - // | ... |<- controlMessageLen ----------->| - // | ... |<- controlHeaderLen ->| | - // +-----+---------------+------+----------+ - // | ... | Header | PadH | Data | - // +-----+---------------+------+----------+ - ms = append(ms, ControlMessage(m[:l])) - ll := l - controlHeaderLen() - if len(m) >= ControlMessageSpace(ll) { - m = m[ControlMessageSpace(ll):] - } else { - m = m[controlMessageLen(ll):] - } - } - return ms, nil -} - -// NewControlMessage returns a new stream of control messages. -func NewControlMessage(dataLen []int) ControlMessage { - var l int - for i := range dataLen { - l += ControlMessageSpace(dataLen[i]) - } - return make([]byte, l) -} - -// A Message represents an IO message. -type Message struct { - // When writing, the Buffers field must contain at least one - // byte to write. - // When reading, the Buffers field will always contain a byte - // to read. - Buffers [][]byte - - // OOB contains protocol-specific control or miscellaneous - // ancillary data known as out-of-band data. - OOB []byte - - // Addr specifies a destination address when writing. - // It can be nil when the underlying protocol of the raw - // connection uses connection-oriented communication. - // After a successful read, it may contain the source address - // on the received packet. - Addr net.Addr - - N int // # of bytes read or written from/to Buffers - NN int // # of bytes read or written from/to OOB - Flags int // protocol-specific information on the received message -} - -// RecvMsg wraps recvmsg system call. -// -// The provided flags is a set of platform-dependent flags, such as -// syscall.MSG_PEEK. -func (c *Conn) RecvMsg(m *Message, flags int) error { - return c.recvMsg(m, flags) -} - -// SendMsg wraps sendmsg system call. -// -// The provided flags is a set of platform-dependent flags, such as -// syscall.MSG_DONTROUTE. -func (c *Conn) SendMsg(m *Message, flags int) error { - return c.sendMsg(m, flags) -} - -// RecvMsgs wraps recvmmsg system call. -// -// It returns the number of processed messages. -// -// The provided flags is a set of platform-dependent flags, such as -// syscall.MSG_PEEK. -// -// Only Linux supports this. -func (c *Conn) RecvMsgs(ms []Message, flags int) (int, error) { - return c.recvMsgs(ms, flags) -} - -// SendMsgs wraps sendmmsg system call. -// -// It returns the number of processed messages. -// -// The provided flags is a set of platform-dependent flags, such as -// syscall.MSG_DONTROUTE. -// -// Only Linux supports this. -func (c *Conn) SendMsgs(ms []Message, flags int) (int, error) { - return c.sendMsgs(ms, flags) -} -- cgit v1.2.3