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Add flow dispatcher

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世界 2026-07-06 11:49:18 +08:00
parent 47bdde06c3
commit ed63adda33
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GPG key ID: CD109927C34A63C4
27 changed files with 2469 additions and 963 deletions
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11
stack_gvisor_tcp.go
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@ -4,7 +4,6 @@ package tun
import (
"context"
"errors"
"net/netip"
"github.com/sagernet/gvisor/pkg/tcpip"
@ -14,7 +13,6 @@ import (
"github.com/sagernet/sing-tun/gtcpip/checksum"
"github.com/sagernet/sing/common"
M "github.com/sagernet/sing/common/metadata"
N "github.com/sagernet/sing/common/network"
)
type TCPForwarder struct {
@ -79,9 +77,12 @@ func (f *TCPForwarder) HandlePacket(id stack.TransportEndpointID, pkt *stack.Pac
func (f *TCPForwarder) Forward(r *tcp.ForwarderRequest) {
source := M.SocksaddrFrom(AddrFromAddress(r.ID().RemoteAddress), r.ID().RemotePort)
destination := M.SocksaddrFrom(AddrFromAddress(r.ID().LocalAddress), r.ID().LocalPort)
_, pErr := f.handler.PrepareConnection(N.NetworkTCP, source, destination, nil, 0)
if pErr != nil {
r.Complete(!errors.Is(pErr, ErrDrop))
switch f.handler.JudgeFlow(uint8(header.TCPProtocolNumber), source.AddrPort(), destination.AddrPort()).Action {
case ActionReject:
r.Complete(true)
return
case ActionDrop:
r.Complete(false)
return
}
conn := &gLazyConn{