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https://github.com/SagerNet/sing-box.git
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Remove unused fakeip packet conn
This commit is contained in:
parent
71d92518c1
commit
003176f069
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@ -1,55 +0,0 @@
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package fakeip
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import (
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"github.com/sagernet/sing/common/buf"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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)
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var _ N.PacketConn = (*NATPacketConn)(nil)
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type NATPacketConn struct {
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N.PacketConn
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origin M.Socksaddr
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destination M.Socksaddr
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}
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func NewNATPacketConn(conn N.PacketConn, origin M.Socksaddr, destination M.Socksaddr) *NATPacketConn {
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return &NATPacketConn{
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PacketConn: conn,
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origin: socksaddrWithoutPort(origin),
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destination: socksaddrWithoutPort(destination),
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}
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}
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func (c *NATPacketConn) ReadPacket(buffer *buf.Buffer) (destination M.Socksaddr, err error) {
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destination, err = c.PacketConn.ReadPacket(buffer)
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if socksaddrWithoutPort(destination) == c.origin {
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destination = M.Socksaddr{
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Addr: c.destination.Addr,
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Fqdn: c.destination.Fqdn,
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Port: destination.Port,
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}
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}
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return
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}
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func (c *NATPacketConn) WritePacket(buffer *buf.Buffer, destination M.Socksaddr) error {
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if socksaddrWithoutPort(destination) == c.destination {
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destination = M.Socksaddr{
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Addr: c.origin.Addr,
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Fqdn: c.origin.Fqdn,
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Port: destination.Port,
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}
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}
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return c.PacketConn.WritePacket(buffer, destination)
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}
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func (c *NATPacketConn) Upstream() any {
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return c.PacketConn
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}
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func socksaddrWithoutPort(destination M.Socksaddr) M.Socksaddr {
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destination.Port = 0
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return destination
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}
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@ -1,37 +0,0 @@
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package fakeip
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import (
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"github.com/sagernet/sing/common/buf"
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"github.com/sagernet/sing/common/bufio"
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M "github.com/sagernet/sing/common/metadata"
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N "github.com/sagernet/sing/common/network"
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)
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func (c *NATPacketConn) CreatePacketReadWaiter() (N.PacketReadWaiter, bool) {
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waiter, created := bufio.CreatePacketReadWaiter(c.PacketConn)
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if !created {
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return nil, false
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}
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return &waitNATPacketConn{c, waiter}, true
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}
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type waitNATPacketConn struct {
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*NATPacketConn
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readWaiter N.PacketReadWaiter
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}
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func (c *waitNATPacketConn) InitializeReadWaiter(options N.ReadWaitOptions) (needCopy bool) {
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return c.readWaiter.InitializeReadWaiter(options)
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}
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func (c *waitNATPacketConn) WaitReadPacket() (buffer *buf.Buffer, destination M.Socksaddr, err error) {
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buffer, destination, err = c.readWaiter.WaitReadPacket()
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if err == nil && socksaddrWithoutPort(destination) == c.origin {
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destination = M.Socksaddr{
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Addr: c.destination.Addr,
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Fqdn: c.destination.Fqdn,
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Port: destination.Port,
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}
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}
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return
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}
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