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ping: Add gVisor destination

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世界 2025-08-24 10:36:16 +08:00
parent 12c9fb6a5d
commit 86d96064d5
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GPG key ID: CD109927C34A63C4
9 changed files with 332 additions and 221 deletions
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18
stack_gvisor.go
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@ -15,6 +15,7 @@ import (
"github.com/sagernet/gvisor/pkg/tcpip/network/ipv6"
"github.com/sagernet/gvisor/pkg/tcpip/stack"
"github.com/sagernet/gvisor/pkg/tcpip/transport/icmp"
"github.com/sagernet/gvisor/pkg/tcpip/transport/raw"
"github.com/sagernet/gvisor/pkg/tcpip/transport/tcp"
"github.com/sagernet/gvisor/pkg/tcpip/transport/udp"
E "github.com/sagernet/sing/common/exceptions"
@ -86,13 +87,14 @@ func (t *GVisor) Start() error {
return err
}
linkEndpoint = &LinkEndpointFilter{linkEndpoint, t.broadcastAddr, t.tun}
ipStack, err := NewGVisorStackWithOptions(linkEndpoint, nicOptions)
ipStack, err := NewGVisorStackWithOptions(linkEndpoint, nicOptions, false)
if err != nil {
return err
}
ipStack.SetTransportProtocolHandler(tcp.ProtocolNumber, NewTCPForwarderWithLoopback(t.ctx, ipStack, t.handler, t.inet4LoopbackAddress, t.inet6LoopbackAddress, t.tun).HandlePacket)
ipStack.SetTransportProtocolHandler(udp.ProtocolNumber, NewUDPForwarder(t.ctx, ipStack, t.handler, t.udpTimeout).HandlePacket)
icmpForwarder := NewICMPForwarder(t.ctx, ipStack, t.inet4Address, t.inet6Address, t.handler, t.udpTimeout)
icmpForwarder := NewICMPForwarder(t.ctx, ipStack, t.handler, t.udpTimeout)
icmpForwarder.SetLocalAddresses(t.inet4Address, t.inet6Address)
ipStack.SetTransportProtocolHandler(icmp.ProtocolNumber4, icmpForwarder.HandlePacket)
ipStack.SetTransportProtocolHandler(icmp.ProtocolNumber6, icmpForwarder.HandlePacket)
t.stack = ipStack
@ -129,11 +131,11 @@ func AddrFromAddress(address tcpip.Address) netip.Addr {
}
func NewGVisorStack(ep stack.LinkEndpoint) (*stack.Stack, error) {
return NewGVisorStackWithOptions(ep, stack.NICOptions{})
return NewGVisorStackWithOptions(ep, stack.NICOptions{}, false)
}
func NewGVisorStackWithOptions(ep stack.LinkEndpoint, opts stack.NICOptions) (*stack.Stack, error) {
ipStack := stack.New(stack.Options{
func NewGVisorStackWithOptions(ep stack.LinkEndpoint, opts stack.NICOptions, allowRawEndpoint bool) (*stack.Stack, error) {
stackOptions := stack.Options{
NetworkProtocols: []stack.NetworkProtocolFactory{
ipv4.NewProtocol,
ipv6.NewProtocol,
@ -144,7 +146,11 @@ func NewGVisorStackWithOptions(ep stack.LinkEndpoint, opts stack.NICOptions) (*s
icmp.NewProtocol4,
icmp.NewProtocol6,
},
})
}
if allowRawEndpoint {
stackOptions.RawFactory = new(raw.EndpointFactory)
}
ipStack := stack.New(stackOptions)
err := ipStack.CreateNICWithOptions(DefaultNIC, ep, opts)
if err != nil {
return nil, gonet.TranslateNetstackError(err)