Add reserved to WireGuard config

Fixes https://github.com/XTLS/Xray-core/issues/1730
This commit is contained in:
RPRX 2023-03-02 16:55:42 +00:00 committed by GitHub
parent 6526e74d49
commit ccba465590
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GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 34 additions and 12 deletions

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@ -52,6 +52,7 @@ type WireGuardConfig struct {
Peers []*WireGuardPeerConfig `json:"peers"` Peers []*WireGuardPeerConfig `json:"peers"`
MTU int `json:"mtu"` MTU int `json:"mtu"`
NumWorkers int `json:"workers"` NumWorkers int `json:"workers"`
Reserved []byte `json:"reserved"`
} }
func (c *WireGuardConfig) Build() (proto.Message, error) { func (c *WireGuardConfig) Build() (proto.Message, error) {
@ -90,6 +91,11 @@ func (c *WireGuardConfig) Build() (proto.Message, error) {
// we don't need to process fallback manually // we don't need to process fallback manually
config.NumWorkers = int32(c.NumWorkers) config.NumWorkers = int32(c.NumWorkers)
if len(c.Reserved) != 0 && len(c.Reserved) != 3 {
return nil, newError(`"reserved" should be empty or 3 bytes`)
}
config.Reserved = c.Reserved
return config, nil return config, nil
} }

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@ -31,6 +31,7 @@ type netBindClient struct {
dialer internet.Dialer dialer internet.Dialer
dns dns.Client dns dns.Client
dnsOption dns.IPOption dnsOption dns.IPOption
reserved []byte
readQueue chan *netReadInfo readQueue chan *netReadInfo
} }
@ -157,6 +158,10 @@ func (bind *netBindClient) Send(buff []byte, endpoint conn.Endpoint) error {
} }
} }
if len(buff) > 3 && len(bind.reserved) == 3 {
copy(buff[1:], bind.reserved)
}
_, err = nend.conn.Write(buff) _, err = nend.conn.Write(buff)
return err return err

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@ -109,6 +109,7 @@ type DeviceConfig struct {
Peers []*PeerConfig `protobuf:"bytes,3,rep,name=peers,proto3" json:"peers,omitempty"` Peers []*PeerConfig `protobuf:"bytes,3,rep,name=peers,proto3" json:"peers,omitempty"`
Mtu int32 `protobuf:"varint,4,opt,name=mtu,proto3" json:"mtu,omitempty"` Mtu int32 `protobuf:"varint,4,opt,name=mtu,proto3" json:"mtu,omitempty"`
NumWorkers int32 `protobuf:"varint,5,opt,name=num_workers,json=numWorkers,proto3" json:"num_workers,omitempty"` NumWorkers int32 `protobuf:"varint,5,opt,name=num_workers,json=numWorkers,proto3" json:"num_workers,omitempty"`
Reserved []byte `protobuf:"bytes,6,opt,name=reserved,proto3" json:"reserved,omitempty"`
} }
func (x *DeviceConfig) Reset() { func (x *DeviceConfig) Reset() {
@ -178,6 +179,13 @@ func (x *DeviceConfig) GetNumWorkers() int32 {
return 0 return 0
} }
func (x *DeviceConfig) GetReserved() []byte {
if x != nil {
return x.Reserved
}
return nil
}
var File_proxy_wireguard_config_proto protoreflect.FileDescriptor var File_proxy_wireguard_config_proto protoreflect.FileDescriptor
var file_proxy_wireguard_config_proto_rawDesc = []byte{ var file_proxy_wireguard_config_proto_rawDesc = []byte{
@ -195,7 +203,7 @@ var file_proxy_wireguard_config_proto_rawDesc = []byte{
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@ -206,14 +214,15 @@ var file_proxy_wireguard_config_proto_rawDesc = []byte{
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} }
var ( var (

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@ -20,4 +20,5 @@ message DeviceConfig {
repeated PeerConfig peers = 3; repeated PeerConfig peers = 3;
int32 mtu = 4; int32 mtu = 4;
int32 num_workers = 5; int32 num_workers = 5;
bytes reserved = 6;
} }

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@ -82,9 +82,10 @@ func (h *Handler) Process(ctx context.Context, link *transport.Link, dialer inte
}) })
// bind := conn.NewStdNetBind() // TODO: conn.Bind wrapper for dialer // bind := conn.NewStdNetBind() // TODO: conn.Bind wrapper for dialer
bind := &netBindClient{ bind := &netBindClient{
dialer: dialer, dialer: dialer,
workers: int(h.conf.NumWorkers), workers: int(h.conf.NumWorkers),
dns: h.dns, dns: h.dns,
reserved: h.conf.Reserved,
} }
net, err := h.makeVirtualTun(bind) net, err := h.makeVirtualTun(bind)