mirror of
https://github.com/XTLS/Xray-core.git
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Sockopt: Add addressPortStrategy (query SRV or TXT) (#4416)
Co-authored-by: 风扇滑翔翼 <Fangliding.fshxy@outlook.com>
This commit is contained in:
j3l11234
GitHub
parent
8d46f7e14c
commit
b9cb93d3c2
@ -711,6 +711,7 @@ type SocketConfig struct {
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Interface string `json:"interface"`
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TcpMptcp bool `json:"tcpMptcp"`
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CustomSockopt []*CustomSockoptConfig `json:"customSockopt"`
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AddressPortStrategy string `json:"addressPortStrategy"`
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}
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// Build implements Buildable.
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@ -780,6 +781,26 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
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customSockopts = append(customSockopts, customSockopt)
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}
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addressPortStrategy := internet.AddressPortStrategy_None
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switch strings.ToLower(c.AddressPortStrategy) {
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case "none", "":
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addressPortStrategy = internet.AddressPortStrategy_None
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case "srvportonly":
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addressPortStrategy = internet.AddressPortStrategy_SrvPortOnly
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case "srvaddressonly":
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addressPortStrategy = internet.AddressPortStrategy_SrvAddressOnly
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case "srvportandaddress":
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addressPortStrategy = internet.AddressPortStrategy_SrvPortAndAddress
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case "txtportonly":
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addressPortStrategy = internet.AddressPortStrategy_TxtPortOnly
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case "txtaddressonly":
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addressPortStrategy = internet.AddressPortStrategy_TxtAddressOnly
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case "txtportandaddress":
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addressPortStrategy = internet.AddressPortStrategy_TxtPortAndAddress
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default:
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return nil, errors.New("unsupported address and port strategy: ", c.AddressPortStrategy)
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}
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return &internet.SocketConfig{
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Mark: c.Mark,
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Tfo: tfo,
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@ -798,6 +819,7 @@ func (c *SocketConfig) Build() (*internet.SocketConfig, error) {
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Interface: c.Interface,
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TcpMptcp: c.TcpMptcp,
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CustomSockopt: customSockopts,
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AddressPortStrategy: addressPortStrategy,
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}, nil
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}
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@ -95,6 +95,67 @@ func (DomainStrategy) EnumDescriptor() ([]byte, []int) {
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return file_transport_internet_config_proto_rawDescGZIP(), []int{0}
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}
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type AddressPortStrategy int32
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const (
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AddressPortStrategy_None AddressPortStrategy = 0
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AddressPortStrategy_SrvPortOnly AddressPortStrategy = 1
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AddressPortStrategy_SrvAddressOnly AddressPortStrategy = 2
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AddressPortStrategy_SrvPortAndAddress AddressPortStrategy = 3
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AddressPortStrategy_TxtPortOnly AddressPortStrategy = 4
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AddressPortStrategy_TxtAddressOnly AddressPortStrategy = 5
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AddressPortStrategy_TxtPortAndAddress AddressPortStrategy = 6
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)
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// Enum value maps for AddressPortStrategy.
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var (
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AddressPortStrategy_name = map[int32]string{
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0: "None",
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1: "SrvPortOnly",
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2: "SrvAddressOnly",
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3: "SrvPortAndAddress",
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4: "TxtPortOnly",
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5: "TxtAddressOnly",
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6: "TxtPortAndAddress",
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}
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AddressPortStrategy_value = map[string]int32{
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"None": 0,
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"SrvPortOnly": 1,
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"SrvAddressOnly": 2,
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"SrvPortAndAddress": 3,
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"TxtPortOnly": 4,
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"TxtAddressOnly": 5,
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"TxtPortAndAddress": 6,
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}
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)
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func (x AddressPortStrategy) Enum() *AddressPortStrategy {
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p := new(AddressPortStrategy)
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*p = x
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return p
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}
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func (x AddressPortStrategy) String() string {
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return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
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}
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func (AddressPortStrategy) Descriptor() protoreflect.EnumDescriptor {
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return file_transport_internet_config_proto_enumTypes[1].Descriptor()
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}
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func (AddressPortStrategy) Type() protoreflect.EnumType {
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return &file_transport_internet_config_proto_enumTypes[1]
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}
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func (x AddressPortStrategy) Number() protoreflect.EnumNumber {
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return protoreflect.EnumNumber(x)
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}
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// Deprecated: Use AddressPortStrategy.Descriptor instead.
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func (AddressPortStrategy) EnumDescriptor() ([]byte, []int) {
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return file_transport_internet_config_proto_rawDescGZIP(), []int{1}
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}
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type SocketConfig_TProxyMode int32
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const (
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@ -131,11 +192,11 @@ func (x SocketConfig_TProxyMode) String() string {
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}
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func (SocketConfig_TProxyMode) Descriptor() protoreflect.EnumDescriptor {
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return file_transport_internet_config_proto_enumTypes[1].Descriptor()
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return file_transport_internet_config_proto_enumTypes[2].Descriptor()
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}
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func (SocketConfig_TProxyMode) Type() protoreflect.EnumType {
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return &file_transport_internet_config_proto_enumTypes[1]
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return &file_transport_internet_config_proto_enumTypes[2]
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}
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func (x SocketConfig_TProxyMode) Number() protoreflect.EnumNumber {
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@ -434,23 +495,24 @@ type SocketConfig struct {
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Tproxy SocketConfig_TProxyMode `protobuf:"varint,3,opt,name=tproxy,proto3,enum=xray.transport.internet.SocketConfig_TProxyMode" json:"tproxy,omitempty"`
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// ReceiveOriginalDestAddress is for enabling IP_RECVORIGDSTADDR socket
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// option. This option is for UDP only.
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ReceiveOriginalDestAddress bool `protobuf:"varint,4,opt,name=receive_original_dest_address,json=receiveOriginalDestAddress,proto3" json:"receive_original_dest_address,omitempty"`
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BindAddress []byte `protobuf:"bytes,5,opt,name=bind_address,json=bindAddress,proto3" json:"bind_address,omitempty"`
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BindPort uint32 `protobuf:"varint,6,opt,name=bind_port,json=bindPort,proto3" json:"bind_port,omitempty"`
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AcceptProxyProtocol bool `protobuf:"varint,7,opt,name=accept_proxy_protocol,json=acceptProxyProtocol,proto3" json:"accept_proxy_protocol,omitempty"`
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DomainStrategy DomainStrategy `protobuf:"varint,8,opt,name=domain_strategy,json=domainStrategy,proto3,enum=xray.transport.internet.DomainStrategy" json:"domain_strategy,omitempty"`
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DialerProxy string `protobuf:"bytes,9,opt,name=dialer_proxy,json=dialerProxy,proto3" json:"dialer_proxy,omitempty"`
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TcpKeepAliveInterval int32 `protobuf:"varint,10,opt,name=tcp_keep_alive_interval,json=tcpKeepAliveInterval,proto3" json:"tcp_keep_alive_interval,omitempty"`
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TcpKeepAliveIdle int32 `protobuf:"varint,11,opt,name=tcp_keep_alive_idle,json=tcpKeepAliveIdle,proto3" json:"tcp_keep_alive_idle,omitempty"`
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TcpCongestion string `protobuf:"bytes,12,opt,name=tcp_congestion,json=tcpCongestion,proto3" json:"tcp_congestion,omitempty"`
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Interface string `protobuf:"bytes,13,opt,name=interface,proto3" json:"interface,omitempty"`
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V6Only bool `protobuf:"varint,14,opt,name=v6only,proto3" json:"v6only,omitempty"`
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TcpWindowClamp int32 `protobuf:"varint,15,opt,name=tcp_window_clamp,json=tcpWindowClamp,proto3" json:"tcp_window_clamp,omitempty"`
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TcpUserTimeout int32 `protobuf:"varint,16,opt,name=tcp_user_timeout,json=tcpUserTimeout,proto3" json:"tcp_user_timeout,omitempty"`
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TcpMaxSeg int32 `protobuf:"varint,17,opt,name=tcp_max_seg,json=tcpMaxSeg,proto3" json:"tcp_max_seg,omitempty"`
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Penetrate bool `protobuf:"varint,18,opt,name=penetrate,proto3" json:"penetrate,omitempty"`
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TcpMptcp bool `protobuf:"varint,19,opt,name=tcp_mptcp,json=tcpMptcp,proto3" json:"tcp_mptcp,omitempty"`
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CustomSockopt []*CustomSockopt `protobuf:"bytes,20,rep,name=customSockopt,proto3" json:"customSockopt,omitempty"`
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ReceiveOriginalDestAddress bool `protobuf:"varint,4,opt,name=receive_original_dest_address,json=receiveOriginalDestAddress,proto3" json:"receive_original_dest_address,omitempty"`
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BindAddress []byte `protobuf:"bytes,5,opt,name=bind_address,json=bindAddress,proto3" json:"bind_address,omitempty"`
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BindPort uint32 `protobuf:"varint,6,opt,name=bind_port,json=bindPort,proto3" json:"bind_port,omitempty"`
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AcceptProxyProtocol bool `protobuf:"varint,7,opt,name=accept_proxy_protocol,json=acceptProxyProtocol,proto3" json:"accept_proxy_protocol,omitempty"`
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DomainStrategy DomainStrategy `protobuf:"varint,8,opt,name=domain_strategy,json=domainStrategy,proto3,enum=xray.transport.internet.DomainStrategy" json:"domain_strategy,omitempty"`
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DialerProxy string `protobuf:"bytes,9,opt,name=dialer_proxy,json=dialerProxy,proto3" json:"dialer_proxy,omitempty"`
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TcpKeepAliveInterval int32 `protobuf:"varint,10,opt,name=tcp_keep_alive_interval,json=tcpKeepAliveInterval,proto3" json:"tcp_keep_alive_interval,omitempty"`
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TcpKeepAliveIdle int32 `protobuf:"varint,11,opt,name=tcp_keep_alive_idle,json=tcpKeepAliveIdle,proto3" json:"tcp_keep_alive_idle,omitempty"`
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TcpCongestion string `protobuf:"bytes,12,opt,name=tcp_congestion,json=tcpCongestion,proto3" json:"tcp_congestion,omitempty"`
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Interface string `protobuf:"bytes,13,opt,name=interface,proto3" json:"interface,omitempty"`
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V6Only bool `protobuf:"varint,14,opt,name=v6only,proto3" json:"v6only,omitempty"`
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TcpWindowClamp int32 `protobuf:"varint,15,opt,name=tcp_window_clamp,json=tcpWindowClamp,proto3" json:"tcp_window_clamp,omitempty"`
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TcpUserTimeout int32 `protobuf:"varint,16,opt,name=tcp_user_timeout,json=tcpUserTimeout,proto3" json:"tcp_user_timeout,omitempty"`
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TcpMaxSeg int32 `protobuf:"varint,17,opt,name=tcp_max_seg,json=tcpMaxSeg,proto3" json:"tcp_max_seg,omitempty"`
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Penetrate bool `protobuf:"varint,18,opt,name=penetrate,proto3" json:"penetrate,omitempty"`
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TcpMptcp bool `protobuf:"varint,19,opt,name=tcp_mptcp,json=tcpMptcp,proto3" json:"tcp_mptcp,omitempty"`
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CustomSockopt []*CustomSockopt `protobuf:"bytes,20,rep,name=customSockopt,proto3" json:"customSockopt,omitempty"`
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AddressPortStrategy AddressPortStrategy `protobuf:"varint,21,opt,name=address_port_strategy,json=addressPortStrategy,proto3,enum=xray.transport.internet.AddressPortStrategy" json:"address_port_strategy,omitempty"`
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}
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func (x *SocketConfig) Reset() {
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@ -623,6 +685,13 @@ func (x *SocketConfig) GetCustomSockopt() []*CustomSockopt {
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return nil
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}
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func (x *SocketConfig) GetAddressPortStrategy() AddressPortStrategy {
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if x != nil {
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return x.AddressPortStrategy
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}
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return AddressPortStrategy_None
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}
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var File_transport_internet_config_proto protoreflect.FileDescriptor
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var file_transport_internet_config_proto_rawDesc = []byte{
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@ -678,7 +747,7 @@ var file_transport_internet_config_proto_rawDesc = []byte{
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0x49, 0x50, 0x36, 0x10, 0x03, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x34,
|
||||
0x36, 0x10, 0x04, 0x12, 0x0c, 0x0a, 0x08, 0x55, 0x53, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34, 0x10,
|
||||
0x05, 0x12, 0x0c, 0x0a, 0x08, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x10, 0x06, 0x12,
|
||||
0x0d, 0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x10, 0x07, 0x12, 0x0d,
|
||||
0x0a, 0x09, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x10, 0x08, 0x12, 0x0e, 0x0a,
|
||||
0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x34, 0x36, 0x10, 0x09, 0x12, 0x0e, 0x0a,
|
||||
0x0a, 0x46, 0x4f, 0x52, 0x43, 0x45, 0x5f, 0x49, 0x50, 0x36, 0x34, 0x10, 0x0a, 0x2a, 0x97, 0x01,
|
||||
0x0a, 0x13, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x50, 0x6f, 0x72, 0x74, 0x53, 0x74, 0x72,
|
||||
0x61, 0x74, 0x65, 0x67, 0x79, 0x12, 0x08, 0x0a, 0x04, 0x4e, 0x6f, 0x6e, 0x65, 0x10, 0x00, 0x12,
|
||||
0x0f, 0x0a, 0x0b, 0x53, 0x72, 0x76, 0x50, 0x6f, 0x72, 0x74, 0x4f, 0x6e, 0x6c, 0x79, 0x10, 0x01,
|
||||
0x12, 0x12, 0x0a, 0x0e, 0x53, 0x72, 0x76, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x4f, 0x6e,
|
||||
0x6c, 0x79, 0x10, 0x02, 0x12, 0x15, 0x0a, 0x11, 0x53, 0x72, 0x76, 0x50, 0x6f, 0x72, 0x74, 0x41,
|
||||
0x6e, 0x64, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x10, 0x03, 0x12, 0x0f, 0x0a, 0x0b, 0x54,
|
||||
0x78, 0x74, 0x50, 0x6f, 0x72, 0x74, 0x4f, 0x6e, 0x6c, 0x79, 0x10, 0x04, 0x12, 0x12, 0x0a, 0x0e,
|
||||
0x54, 0x78, 0x74, 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x4f, 0x6e, 0x6c, 0x79, 0x10, 0x05,
|
||||
0x12, 0x15, 0x0a, 0x11, 0x54, 0x78, 0x74, 0x50, 0x6f, 0x72, 0x74, 0x41, 0x6e, 0x64, 0x41, 0x64,
|
||||
0x64, 0x72, 0x65, 0x73, 0x73, 0x10, 0x06, 0x42, 0x67, 0x0a, 0x1b, 0x63, 0x6f, 0x6d, 0x2e, 0x78,
|
||||
0x72, 0x61, 0x79, 0x2e, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x69, 0x6e,
|
||||
0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x50, 0x01, 0x5a, 0x2c, 0x67, 0x69, 0x74, 0x68, 0x75, 0x62,
|
||||
0x2e, 0x63, 0x6f, 0x6d, 0x2f, 0x78, 0x74, 0x6c, 0x73, 0x2f, 0x78, 0x72, 0x61, 0x79, 0x2d, 0x63,
|
||||
0x6f, 0x72, 0x65, 0x2f, 0x74, 0x72, 0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2f, 0x69, 0x6e,
|
||||
0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0xaa, 0x02, 0x17, 0x58, 0x72, 0x61, 0x79, 0x2e, 0x54, 0x72,
|
||||
0x61, 0x6e, 0x73, 0x70, 0x6f, 0x72, 0x74, 0x2e, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
|
||||
0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
|
||||
}
|
||||
|
||||
var (
|
||||
@ -768,33 +853,35 @@ func file_transport_internet_config_proto_rawDescGZIP() []byte {
|
||||
return file_transport_internet_config_proto_rawDescData
|
||||
}
|
||||
|
||||
var file_transport_internet_config_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
|
||||
var file_transport_internet_config_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
|
||||
var file_transport_internet_config_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
|
||||
var file_transport_internet_config_proto_goTypes = []any{
|
||||
(DomainStrategy)(0), // 0: xray.transport.internet.DomainStrategy
|
||||
(SocketConfig_TProxyMode)(0), // 1: xray.transport.internet.SocketConfig.TProxyMode
|
||||
(*TransportConfig)(nil), // 2: xray.transport.internet.TransportConfig
|
||||
(*StreamConfig)(nil), // 3: xray.transport.internet.StreamConfig
|
||||
(*ProxyConfig)(nil), // 4: xray.transport.internet.ProxyConfig
|
||||
(*CustomSockopt)(nil), // 5: xray.transport.internet.CustomSockopt
|
||||
(*SocketConfig)(nil), // 6: xray.transport.internet.SocketConfig
|
||||
(*serial.TypedMessage)(nil), // 7: xray.common.serial.TypedMessage
|
||||
(*net.IPOrDomain)(nil), // 8: xray.common.net.IPOrDomain
|
||||
(AddressPortStrategy)(0), // 1: xray.transport.internet.AddressPortStrategy
|
||||
(SocketConfig_TProxyMode)(0), // 2: xray.transport.internet.SocketConfig.TProxyMode
|
||||
(*TransportConfig)(nil), // 3: xray.transport.internet.TransportConfig
|
||||
(*StreamConfig)(nil), // 4: xray.transport.internet.StreamConfig
|
||||
(*ProxyConfig)(nil), // 5: xray.transport.internet.ProxyConfig
|
||||
(*CustomSockopt)(nil), // 6: xray.transport.internet.CustomSockopt
|
||||
(*SocketConfig)(nil), // 7: xray.transport.internet.SocketConfig
|
||||
(*serial.TypedMessage)(nil), // 8: xray.common.serial.TypedMessage
|
||||
(*net.IPOrDomain)(nil), // 9: xray.common.net.IPOrDomain
|
||||
}
|
||||
var file_transport_internet_config_proto_depIdxs = []int32{
|
||||
7, // 0: xray.transport.internet.TransportConfig.settings:type_name -> xray.common.serial.TypedMessage
|
||||
8, // 1: xray.transport.internet.StreamConfig.address:type_name -> xray.common.net.IPOrDomain
|
||||
2, // 2: xray.transport.internet.StreamConfig.transport_settings:type_name -> xray.transport.internet.TransportConfig
|
||||
7, // 3: xray.transport.internet.StreamConfig.security_settings:type_name -> xray.common.serial.TypedMessage
|
||||
6, // 4: xray.transport.internet.StreamConfig.socket_settings:type_name -> xray.transport.internet.SocketConfig
|
||||
1, // 5: xray.transport.internet.SocketConfig.tproxy:type_name -> xray.transport.internet.SocketConfig.TProxyMode
|
||||
8, // 0: xray.transport.internet.TransportConfig.settings:type_name -> xray.common.serial.TypedMessage
|
||||
9, // 1: xray.transport.internet.StreamConfig.address:type_name -> xray.common.net.IPOrDomain
|
||||
3, // 2: xray.transport.internet.StreamConfig.transport_settings:type_name -> xray.transport.internet.TransportConfig
|
||||
8, // 3: xray.transport.internet.StreamConfig.security_settings:type_name -> xray.common.serial.TypedMessage
|
||||
7, // 4: xray.transport.internet.StreamConfig.socket_settings:type_name -> xray.transport.internet.SocketConfig
|
||||
2, // 5: xray.transport.internet.SocketConfig.tproxy:type_name -> xray.transport.internet.SocketConfig.TProxyMode
|
||||
0, // 6: xray.transport.internet.SocketConfig.domain_strategy:type_name -> xray.transport.internet.DomainStrategy
|
||||
5, // 7: xray.transport.internet.SocketConfig.customSockopt:type_name -> xray.transport.internet.CustomSockopt
|
||||
8, // [8:8] is the sub-list for method output_type
|
||||
8, // [8:8] is the sub-list for method input_type
|
||||
8, // [8:8] is the sub-list for extension type_name
|
||||
8, // [8:8] is the sub-list for extension extendee
|
||||
0, // [0:8] is the sub-list for field type_name
|
||||
6, // 7: xray.transport.internet.SocketConfig.customSockopt:type_name -> xray.transport.internet.CustomSockopt
|
||||
1, // 8: xray.transport.internet.SocketConfig.address_port_strategy:type_name -> xray.transport.internet.AddressPortStrategy
|
||||
9, // [9:9] is the sub-list for method output_type
|
||||
9, // [9:9] is the sub-list for method input_type
|
||||
9, // [9:9] is the sub-list for extension type_name
|
||||
9, // [9:9] is the sub-list for extension extendee
|
||||
0, // [0:9] is the sub-list for field type_name
|
||||
}
|
||||
|
||||
func init() { file_transport_internet_config_proto_init() }
|
||||
@ -807,7 +894,7 @@ func file_transport_internet_config_proto_init() {
|
||||
File: protoimpl.DescBuilder{
|
||||
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
|
||||
RawDescriptor: file_transport_internet_config_proto_rawDesc,
|
||||
NumEnums: 2,
|
||||
NumEnums: 3,
|
||||
NumMessages: 5,
|
||||
NumExtensions: 0,
|
||||
NumServices: 0,
|
||||
|
||||
@ -23,6 +23,16 @@ enum DomainStrategy {
|
||||
FORCE_IP64 = 10;
|
||||
}
|
||||
|
||||
enum AddressPortStrategy {
|
||||
None = 0;
|
||||
SrvPortOnly = 1;
|
||||
SrvAddressOnly = 2;
|
||||
SrvPortAndAddress = 3;
|
||||
TxtPortOnly = 4;
|
||||
TxtAddressOnly = 5;
|
||||
TxtPortAndAddress = 6;
|
||||
}
|
||||
|
||||
message TransportConfig {
|
||||
// Transport protocol name.
|
||||
string protocol_name = 3;
|
||||
@ -116,4 +126,6 @@ message SocketConfig {
|
||||
bool tcp_mptcp = 19;
|
||||
|
||||
repeated CustomSockopt customSockopt = 20;
|
||||
|
||||
AddressPortStrategy address_port_strategy = 21;
|
||||
}
|
||||
|
||||
@ -2,6 +2,9 @@ package internet
|
||||
|
||||
import (
|
||||
"context"
|
||||
"fmt"
|
||||
gonet "net"
|
||||
"strings"
|
||||
|
||||
"github.com/xtls/xray-core/common"
|
||||
"github.com/xtls/xray-core/common/dice"
|
||||
@ -140,6 +143,93 @@ func redirect(ctx context.Context, dst net.Destination, obt string) net.Conn {
|
||||
return nil
|
||||
}
|
||||
|
||||
func checkAddressPortStrategy(ctx context.Context, dest net.Destination, sockopt *SocketConfig) (*net.Destination, error) {
|
||||
if sockopt.AddressPortStrategy == AddressPortStrategy_None {
|
||||
return nil, nil
|
||||
}
|
||||
newDest := dest
|
||||
var OverridePort, OverrideAddress bool
|
||||
var OverrideBy string
|
||||
switch sockopt.AddressPortStrategy {
|
||||
case AddressPortStrategy_SrvPortOnly:
|
||||
OverridePort = true
|
||||
OverrideAddress = false
|
||||
OverrideBy = "srv"
|
||||
case AddressPortStrategy_SrvAddressOnly:
|
||||
OverridePort = false
|
||||
OverrideAddress = true
|
||||
OverrideBy = "srv"
|
||||
case AddressPortStrategy_SrvPortAndAddress:
|
||||
OverridePort = true
|
||||
OverrideAddress = true
|
||||
OverrideBy = "srv"
|
||||
case AddressPortStrategy_TxtPortOnly:
|
||||
OverridePort = true
|
||||
OverrideAddress = false
|
||||
OverrideBy = "txt"
|
||||
case AddressPortStrategy_TxtAddressOnly:
|
||||
OverridePort = false
|
||||
OverrideAddress = true
|
||||
OverrideBy = "txt"
|
||||
case AddressPortStrategy_TxtPortAndAddress:
|
||||
OverridePort = true
|
||||
OverrideAddress = true
|
||||
OverrideBy = "txt"
|
||||
default:
|
||||
return nil, errors.New("unknown AddressPortStrategy")
|
||||
}
|
||||
|
||||
if !dest.Address.Family().IsDomain() {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
if OverrideBy == "srv" {
|
||||
errors.LogDebug(ctx, "query SRV record for "+dest.Address.String())
|
||||
parts := strings.SplitN(dest.Address.String(), ".", 3)
|
||||
if len(parts) != 3 {
|
||||
return nil, errors.New("invalid address format", dest.Address.String())
|
||||
}
|
||||
_, srvRecords, err := gonet.DefaultResolver.LookupSRV(context.Background(), parts[0][1:], parts[1][1:], parts[2])
|
||||
if err != nil {
|
||||
return nil, errors.New("failed to lookup SRV record").Base(err)
|
||||
}
|
||||
errors.LogDebug(ctx, "SRV record: "+fmt.Sprintf("addr=%s, port=%d, priority=%d, weight=%d", srvRecords[0].Target, srvRecords[0].Port, srvRecords[0].Priority, srvRecords[0].Weight))
|
||||
if OverridePort {
|
||||
newDest.Port = net.Port(srvRecords[0].Port)
|
||||
}
|
||||
if OverrideAddress {
|
||||
newDest.Address = net.ParseAddress(srvRecords[0].Target)
|
||||
}
|
||||
return &newDest, nil
|
||||
}
|
||||
if OverrideBy == "txt" {
|
||||
errors.LogDebug(ctx, "query TXT record for "+dest.Address.String())
|
||||
txtRecords, err := gonet.DefaultResolver.LookupTXT(ctx, dest.Address.String())
|
||||
if err != nil {
|
||||
errors.LogError(ctx, "failed to lookup SRV record: "+err.Error())
|
||||
return nil, errors.New("failed to lookup SRV record").Base(err)
|
||||
}
|
||||
for _, txtRecord := range txtRecords {
|
||||
errors.LogDebug(ctx, "TXT record: "+txtRecord)
|
||||
addr_s, port_s, _ := net.SplitHostPort(string(txtRecord))
|
||||
addr := net.ParseAddress(addr_s)
|
||||
port, err := net.PortFromString(port_s)
|
||||
if err != nil {
|
||||
continue
|
||||
}
|
||||
|
||||
if OverridePort {
|
||||
newDest.Port = port
|
||||
}
|
||||
if OverrideAddress {
|
||||
newDest.Address = addr
|
||||
}
|
||||
return &newDest, nil
|
||||
}
|
||||
}
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
// DialSystem calls system dialer to create a network connection.
|
||||
func DialSystem(ctx context.Context, dest net.Destination, sockopt *SocketConfig) (net.Conn, error) {
|
||||
var src net.Address
|
||||
@ -152,6 +242,11 @@ func DialSystem(ctx context.Context, dest net.Destination, sockopt *SocketConfig
|
||||
return effectiveSystemDialer.Dial(ctx, src, dest, sockopt)
|
||||
}
|
||||
|
||||
if newDest, err := checkAddressPortStrategy(ctx, dest, sockopt); err == nil && newDest != nil {
|
||||
errors.LogInfo(ctx, "replace destination with "+newDest.String())
|
||||
dest = *newDest
|
||||
}
|
||||
|
||||
if canLookupIP(ctx, dest, sockopt) {
|
||||
ips, err := lookupIP(dest.Address.String(), sockopt.DomainStrategy, src)
|
||||
if err == nil && len(ips) > 0 {
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user