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Exchange proxy mode via signal (#727)

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Before defining if we will use direct or proxy connection we will exchange a 
message with the other peer if the modes match we keep the decision 
from the shouldUseProxy function otherwise we skip using direct connection.

Added a feature support message to the signal protocol
This commit is contained in:
Maycon Santos
2023-03-16 16:46:17 +01:00
committed by GitHub
parent 6143b819c5
commit 731d3ae464
9 changed files with 463 additions and 54 deletions
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147
signal/proto/signalexchange.pb.go
View File

@ -1,15 +1,15 @@
// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.26.0
// protoc v3.12.4
// protoc v3.21.9
// source: signalexchange.proto
package proto
import (
_ "github.com/golang/protobuf/protoc-gen-go/descriptor"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
_ "google.golang.org/protobuf/types/descriptorpb"
reflect "reflect"
sync "sync"
)
@ -28,6 +28,7 @@ const (
Body_OFFER Body_Type = 0
Body_ANSWER Body_Type = 1
Body_CANDIDATE Body_Type = 2
Body_MODE Body_Type = 4
)
// Enum value maps for Body_Type.
@ -36,11 +37,13 @@ var (
0: "OFFER",
1: "ANSWER",
2: "CANDIDATE",
4: "MODE",
}
Body_Type_value = map[string]int32{
"OFFER": 0,
"ANSWER": 1,
"CANDIDATE": 2,
"MODE": 4,
}
)
@ -217,6 +220,9 @@ type Body struct {
// wgListenPort is an actual WireGuard listen port
WgListenPort uint32 `protobuf:"varint,3,opt,name=wgListenPort,proto3" json:"wgListenPort,omitempty"`
NetBirdVersion string `protobuf:"bytes,4,opt,name=netBirdVersion,proto3" json:"netBirdVersion,omitempty"`
Mode *Mode `protobuf:"bytes,5,opt,name=mode,proto3" json:"mode,omitempty"`
// featuresSupported list of supported features by the client of this protocol
FeaturesSupported []uint32 `protobuf:"varint,6,rep,packed,name=featuresSupported,proto3" json:"featuresSupported,omitempty"`
}
func (x *Body) Reset() {
@ -279,6 +285,68 @@ func (x *Body) GetNetBirdVersion() string {
return ""
}
func (x *Body) GetMode() *Mode {
if x != nil {
return x.Mode
}
return nil
}
func (x *Body) GetFeaturesSupported() []uint32 {
if x != nil {
return x.FeaturesSupported
}
return nil
}
// Mode indicates a connection mode
type Mode struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Direct *bool `protobuf:"varint,1,opt,name=direct,proto3,oneof" json:"direct,omitempty"`
}
func (x *Mode) Reset() {
*x = Mode{}
if protoimpl.UnsafeEnabled {
mi := &file_signalexchange_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Mode) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Mode) ProtoMessage() {}
func (x *Mode) ProtoReflect() protoreflect.Message {
mi := &file_signalexchange_proto_msgTypes[3]
if protoimpl.UnsafeEnabled && x != nil {
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
if ms.LoadMessageInfo() == nil {
ms.StoreMessageInfo(mi)
}
return ms
}
return mi.MessageOf(x)
}
// Deprecated: Use Mode.ProtoReflect.Descriptor instead.
func (*Mode) Descriptor() ([]byte, []int) {
return file_signalexchange_proto_rawDescGZIP(), []int{3}
}
func (x *Mode) GetDirect() bool {
if x != nil && x.Direct != nil {
return *x.Direct
}
return false
}
var File_signalexchange_proto protoreflect.FileDescriptor
var file_signalexchange_proto_rawDesc = []byte{
@ -298,7 +366,7 @@ var file_signalexchange_proto_rawDesc = []byte{
0x52, 0x09, 0x72, 0x65, 0x6d, 0x6f, 0x74, 0x65, 0x4b, 0x65, 0x79, 0x12, 0x28, 0x0a, 0x04, 0x62,
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@ -308,22 +376,32 @@ var file_signalexchange_proto_rawDesc = []byte{
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}
var (
@ -339,25 +417,27 @@ func file_signalexchange_proto_rawDescGZIP() []byte {
}
var file_signalexchange_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
var file_signalexchange_proto_msgTypes = make([]protoimpl.MessageInfo, 3)
var file_signalexchange_proto_msgTypes = make([]protoimpl.MessageInfo, 4)
var file_signalexchange_proto_goTypes = []interface{}{
(Body_Type)(0), // 0: signalexchange.Body.Type
(*EncryptedMessage)(nil), // 1: signalexchange.EncryptedMessage
(*Message)(nil), // 2: signalexchange.Message
(*Body)(nil), // 3: signalexchange.Body
(*Mode)(nil), // 4: signalexchange.Mode
}
var file_signalexchange_proto_depIdxs = []int32{
3, // 0: signalexchange.Message.body:type_name -> signalexchange.Body
0, // 1: signalexchange.Body.type:type_name -> signalexchange.Body.Type
1, // 2: signalexchange.SignalExchange.Send:input_type -> signalexchange.EncryptedMessage
1, // 3: signalexchange.SignalExchange.ConnectStream:input_type -> signalexchange.EncryptedMessage
1, // 4: signalexchange.SignalExchange.Send:output_type -> signalexchange.EncryptedMessage
1, // 5: signalexchange.SignalExchange.ConnectStream:output_type -> signalexchange.EncryptedMessage
4, // [4:6] is the sub-list for method output_type
2, // [2:4] is the sub-list for method input_type
2, // [2:2] is the sub-list for extension type_name
2, // [2:2] is the sub-list for extension extendee
0, // [0:2] is the sub-list for field type_name
4, // 2: signalexchange.Body.mode:type_name -> signalexchange.Mode
1, // 3: signalexchange.SignalExchange.Send:input_type -> signalexchange.EncryptedMessage
1, // 4: signalexchange.SignalExchange.ConnectStream:input_type -> signalexchange.EncryptedMessage
1, // 5: signalexchange.SignalExchange.Send:output_type -> signalexchange.EncryptedMessage
1, // 6: signalexchange.SignalExchange.ConnectStream:output_type -> signalexchange.EncryptedMessage
5, // [5:7] is the sub-list for method output_type
3, // [3:5] is the sub-list for method input_type
3, // [3:3] is the sub-list for extension type_name
3, // [3:3] is the sub-list for extension extendee
0, // [0:3] is the sub-list for field type_name
}
func init() { file_signalexchange_proto_init() }
@ -402,14 +482,27 @@ func file_signalexchange_proto_init() {
return nil
}
}
file_signalexchange_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Mode); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
}
file_signalexchange_proto_msgTypes[3].OneofWrappers = []interface{}{}
type x struct{}
out := protoimpl.TypeBuilder{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_signalexchange_proto_rawDesc,
NumEnums: 1,
NumMessages: 3,
NumMessages: 4,
NumExtensions: 0,
NumServices: 1,
},