Add multi-peer support for wireguard outbound

This commit is contained in:
世界
2023-03-31 12:31:26 +08:00
parent cbf0099681
commit f98cfdf5e4
4 changed files with 194 additions and 77 deletions

View File

@@ -57,13 +57,22 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
}
copy(reserved[:], options.Reserved)
}
peerAddr := options.ServerOptions.Build()
outbound.bind = wireguard.NewClientBind(ctx, dialer.New(router, options.DialerOptions), peerAddr, reserved)
var isConnect bool
var connectAddr M.Socksaddr
if len(options.Peers) < 2 {
isConnect = true
if len(options.Peers) == 1 {
connectAddr = options.Peers[0].ServerOptions.Build()
} else {
connectAddr = options.ServerOptions.Build()
}
}
outbound.bind = wireguard.NewClientBind(ctx, dialer.New(router, options.DialerOptions), isConnect, connectAddr, reserved)
localPrefixes := common.Map(options.LocalAddress, option.ListenPrefix.Build)
if len(localPrefixes) == 0 {
return nil, E.New("missing local address")
}
var privateKey, peerPublicKey, preSharedKey string
var privateKey string
{
bytes, err := base64.StdEncoding.DecodeString(options.PrivateKey)
if err != nil {
@@ -71,39 +80,79 @@ func NewWireGuard(ctx context.Context, router adapter.Router, logger log.Context
}
privateKey = hex.EncodeToString(bytes)
}
{
bytes, err := base64.StdEncoding.DecodeString(options.PeerPublicKey)
if err != nil {
return nil, E.Cause(err, "decode peer public key")
}
peerPublicKey = hex.EncodeToString(bytes)
}
if options.PreSharedKey != "" {
bytes, err := base64.StdEncoding.DecodeString(options.PreSharedKey)
if err != nil {
return nil, E.Cause(err, "decode pre shared key")
}
preSharedKey = hex.EncodeToString(bytes)
}
ipcConf := "private_key=" + privateKey
ipcConf += "\npublic_key=" + peerPublicKey
ipcConf += "\nendpoint=" + peerAddr.String()
if preSharedKey != "" {
ipcConf += "\npreshared_key=" + preSharedKey
}
var has4, has6 bool
for _, address := range localPrefixes {
if address.Addr().Is4() {
has4 = true
} else {
has6 = true
if len(options.Peers) > 0 {
for i, peer := range options.Peers {
var peerPublicKey, preSharedKey string
{
bytes, err := base64.StdEncoding.DecodeString(peer.PublicKey)
if err != nil {
return nil, E.Cause(err, "decode public key for peer ", i)
}
peerPublicKey = hex.EncodeToString(bytes)
}
if peer.PreSharedKey != "" {
bytes, err := base64.StdEncoding.DecodeString(peer.PreSharedKey)
if err != nil {
return nil, E.Cause(err, "decode pre shared key for peer ", i)
}
preSharedKey = hex.EncodeToString(bytes)
}
destination := peer.ServerOptions.Build()
ipcConf += "\npublic_key=" + peerPublicKey
ipcConf += "\nendpoint=" + destination.String()
if preSharedKey != "" {
ipcConf += "\npreshared_key=" + preSharedKey
}
if len(peer.AllowedIPs) == 0 {
return nil, E.New("missing allowed_ips for peer ", i)
}
for _, allowedIP := range peer.AllowedIPs {
ipcConf += "\nallowed_ip=" + allowedIP
}
if len(peer.Reserved) > 0 {
if len(peer.Reserved) != 3 {
return nil, E.New("invalid reserved value for peer ", i, ", required 3 bytes, got ", len(peer.Reserved))
}
copy(reserved[:], options.Reserved)
outbound.bind.SetReservedForEndpoint(destination, reserved)
}
}
} else {
var peerPublicKey, preSharedKey string
{
bytes, err := base64.StdEncoding.DecodeString(options.PeerPublicKey)
if err != nil {
return nil, E.Cause(err, "decode peer public key")
}
peerPublicKey = hex.EncodeToString(bytes)
}
if options.PreSharedKey != "" {
bytes, err := base64.StdEncoding.DecodeString(options.PreSharedKey)
if err != nil {
return nil, E.Cause(err, "decode pre shared key")
}
preSharedKey = hex.EncodeToString(bytes)
}
ipcConf += "\npublic_key=" + peerPublicKey
ipcConf += "\nendpoint=" + options.ServerOptions.Build().String()
if preSharedKey != "" {
ipcConf += "\npreshared_key=" + preSharedKey
}
var has4, has6 bool
for _, address := range localPrefixes {
if address.Addr().Is4() {
has4 = true
} else {
has6 = true
}
}
if has4 {
ipcConf += "\nallowed_ip=0.0.0.0/0"
}
if has6 {
ipcConf += "\nallowed_ip=::/0"
}
}
if has4 {
ipcConf += "\nallowed_ip=0.0.0.0/0"
}
if has6 {
ipcConf += "\nallowed_ip=::/0"
}
mtu := options.MTU
if mtu == 0 {