This commit is contained in:
null 2026-06-24 23:11:07 +08:00
parent d737888f6d
commit 404365211e
6 changed files with 259 additions and 222 deletions

View file

@ -7,6 +7,9 @@ import (
"strings"
"github.com/xtls/xray-core/common/errors"
"github.com/xtls/xray-core/common/protocol"
"github.com/xtls/xray-core/common/serial"
"github.com/xtls/xray-core/common/task"
"github.com/xtls/xray-core/proxy/wireguard"
"google.golang.org/protobuf/proto"
)
@ -17,9 +20,12 @@ type WireGuardPeerConfig struct {
Endpoint string `json:"endpoint"`
KeepAlive uint32 `json:"keepAlive"`
AllowedIPs []string `json:"allowedIPs,omitempty"`
Level uint32 `json:"level"`
Email string `json:"email"`
}
func (c *WireGuardPeerConfig) Build() (proto.Message, error) {
func (c *WireGuardPeerConfig) Build() (*wireguard.PeerConfig, error) {
var err error
config := new(wireguard.PeerConfig)
@ -78,14 +84,32 @@ func (c *WireGuardConfig) Build() (proto.Message, error) {
config.Endpoint = c.Address
}
if c.Peers != nil {
if c.IsClient {
config.Peers = make([]*wireguard.PeerConfig, len(c.Peers))
for i, p := range c.Peers {
msg, err := p.Build()
if err != nil {
return nil, err
}
config.Peers[i] = msg.(*wireguard.PeerConfig)
config.Peers[i] = msg
}
} else {
config.Users = make([]*protocol.User, len(c.Peers))
processUser := func(idx int) error {
p := c.Peers[idx]
m, err := p.Build()
if err != nil {
return err
}
config.Users[idx] = &protocol.User{
Email: p.Email,
Level: p.Level,
Account: serial.ToTypedMessage(m),
}
return nil
}
if err := task.ParallelForN(len(c.Peers), processUser); err != nil {
return nil, err
}
}

View file

@ -1,72 +0,0 @@
package wireguard
import (
"net/netip"
"strings"
"github.com/xtls/xray-core/common/protocol"
"google.golang.org/protobuf/proto"
)
// MemoryAccount is the runtime representation of a WireGuard peer credential.
// It is produced by PeerConfig.AsAccount and consumed by the UserManager methods
// on Server (AddUser / RemoveUser / GetUser / GetUsers / GetUsersCount).
type MemoryAccount struct {
PublicKey string
PreSharedKey string
AllowedIPs []string
}
// Equals implements protocol.Account.
func (a *MemoryAccount) Equals(other protocol.Account) bool {
b, ok := other.(*MemoryAccount)
return ok && a.PublicKey == b.PublicKey
}
// ToProto implements protocol.Account.
func (a *MemoryAccount) ToProto() proto.Message {
return &PeerConfig{
PublicKey: a.PublicKey,
PreSharedKey: a.PreSharedKey,
AllowedIps: a.AllowedIPs,
}
}
// AsAccount implements protocol.AsAccount so that PeerConfig can be used as a
// typed account in an AddUserOperation. API callers set the @type field to
// "xray.proxy.wireguard.PeerConfig".
func (p *PeerConfig) AsAccount() (protocol.Account, error) {
return &MemoryAccount{
PublicKey: p.PublicKey,
PreSharedKey: p.PreSharedKey,
AllowedIPs: p.AllowedIps,
}, nil
}
// buildPeerIPC returns a WireGuard IPC string that adds or updates a single peer.
func buildPeerIPC(a *MemoryAccount) string {
var b strings.Builder
b.WriteString("public_key=" + a.PublicKey + "\n")
if a.PreSharedKey != "" {
b.WriteString("preshared_key=" + a.PreSharedKey + "\n")
}
for _, ip := range a.AllowedIPs {
b.WriteString("allowed_ip=" + ip + "\n")
}
return b.String()
}
// buildRemovePeerIPC returns a WireGuard IPC string that removes a peer.
func buildRemovePeerIPC(publicKey string) string {
return "public_key=" + publicKey + "\nremove=true\n"
}
// parseFirstAddr extracts the host address from a CIDR string or plain address
// (e.g. "10.0.0.2/32" → 10.0.0.2, "fd00::1" → fd00::1).
func parseFirstAddr(cidr string) (netip.Addr, error) {
prefix, err := netip.ParsePrefix(cidr)
if err != nil {
return netip.ParseAddr(cidr)
}
return prefix.Addr(), nil
}

View file

@ -1 +1,60 @@
package wireguard
import (
"encoding/hex"
"net/netip"
"github.com/xtls/xray-core/common/protocol"
"google.golang.org/protobuf/proto"
)
func (p *PeerConfig) AsAccount() (protocol.Account, error) {
pub, err := ParseKey(p.PublicKey)
if err != nil {
return nil, err
}
allowedIPs := make([]netip.Prefix, 0, len(p.AllowedIps))
for _, ip := range p.AllowedIps {
p, err := netip.ParsePrefix(ip)
if err != nil {
return nil, err
}
allowedIPs = append(allowedIPs, p)
}
return &MemoryAccount{
Pub: *pub,
AllowedIPs: allowedIPs,
PreSharedKey: p.PreSharedKey,
KeepAlive: p.KeepAlive,
}, nil
}
type MemoryAccount struct {
Pub [32]byte
AllowedIPs []netip.Prefix
PreSharedKey string
KeepAlive string
}
func (a *MemoryAccount) Equals(other protocol.Account) bool {
if b, ok := other.(*MemoryAccount); ok {
return a.Pub == b.Pub
}
return false
}
func (a *MemoryAccount) ToProto() proto.Message {
allowedIPs := make([]string, 0, len(a.AllowedIPs))
for _, ip := range a.AllowedIPs {
allowedIPs = append(allowedIPs, ip.String())
}
return &PeerConfig{
PublicKey: hex.EncodeToString(a.Pub[:]),
AllowedIps: allowedIPs,
PreSharedKey: a.PreSharedKey,
KeepAlive: a.KeepAlive,
}
}

View file

@ -7,6 +7,7 @@
package wireguard
import (
protocol "github.com/xtls/xray-core/common/protocol"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
@ -157,6 +158,7 @@ type DeviceConfig struct {
SecretKey string `protobuf:"bytes,1,opt,name=secret_key,json=secretKey,proto3" json:"secret_key,omitempty"`
Endpoint []string `protobuf:"bytes,2,rep,name=endpoint,proto3" json:"endpoint,omitempty"`
Peers []*PeerConfig `protobuf:"bytes,3,rep,name=peers,proto3" json:"peers,omitempty"`
Users []*protocol.User `protobuf:"bytes,5,rep,name=users,proto3" json:"users,omitempty"`
Mtu int32 `protobuf:"varint,4,opt,name=mtu,proto3" json:"mtu,omitempty"`
Reserved []byte `protobuf:"bytes,6,opt,name=reserved,proto3" json:"reserved,omitempty"`
DomainStrategy DeviceConfig_DomainStrategy `protobuf:"varint,7,opt,name=domain_strategy,json=domainStrategy,proto3,enum=xray.proxy.wireguard.DeviceConfig_DomainStrategy" json:"domain_strategy,omitempty"`
@ -217,6 +219,13 @@ func (x *DeviceConfig) GetPeers() []*PeerConfig {
return nil
}
func (x *DeviceConfig) GetUsers() []*protocol.User {
if x != nil {
return x.Users
}
return nil
}
func (x *DeviceConfig) GetMtu() int32 {
if x != nil {
return x.Mtu
@ -256,7 +265,7 @@ var File_proxy_wireguard_config_proto protoreflect.FileDescriptor
const file_proxy_wireguard_config_proto_rawDesc = "" +
"\n" +
"\x1cproxy/wireguard/config.proto\x12\x14xray.proxy.wireguard\"\xad\x01\n" +
"\x1cproxy/wireguard/config.proto\x12\x14xray.proxy.wireguard\x1a\x1acommon/protocol/user.proto\"\xad\x01\n" +
"\n" +
"PeerConfig\x12\x1d\n" +
"\n" +
@ -266,12 +275,13 @@ const file_proxy_wireguard_config_proto_rawDesc = "" +
"\n" +
"keep_alive\x18\x04 \x01(\tR\tkeepAlive\x12\x1f\n" +
"\vallowed_ips\x18\x05 \x03(\tR\n" +
"allowedIps\"\xaa\x03\n" +
"allowedIps\"\xdc\x03\n" +
"\fDeviceConfig\x12\x1d\n" +
"\n" +
"secret_key\x18\x01 \x01(\tR\tsecretKey\x12\x1a\n" +
"\bendpoint\x18\x02 \x03(\tR\bendpoint\x126\n" +
"\x05peers\x18\x03 \x03(\v2 .xray.proxy.wireguard.PeerConfigR\x05peers\x12\x10\n" +
"\x05peers\x18\x03 \x03(\v2 .xray.proxy.wireguard.PeerConfigR\x05peers\x120\n" +
"\x05users\x18\x05 \x03(\v2\x1a.xray.common.protocol.UserR\x05users\x12\x10\n" +
"\x03mtu\x18\x04 \x01(\x05R\x03mtu\x12\x1a\n" +
"\breserved\x18\x06 \x01(\fR\breserved\x12Z\n" +
"\x0fdomain_strategy\x18\a \x01(\x0e21.xray.proxy.wireguard.DeviceConfig.DomainStrategyR\x0edomainStrategy\x12\x1b\n" +
@ -305,15 +315,17 @@ var file_proxy_wireguard_config_proto_goTypes = []any{
(DeviceConfig_DomainStrategy)(0), // 0: xray.proxy.wireguard.DeviceConfig.DomainStrategy
(*PeerConfig)(nil), // 1: xray.proxy.wireguard.PeerConfig
(*DeviceConfig)(nil), // 2: xray.proxy.wireguard.DeviceConfig
(*protocol.User)(nil), // 3: xray.common.protocol.User
}
var file_proxy_wireguard_config_proto_depIdxs = []int32{
1, // 0: xray.proxy.wireguard.DeviceConfig.peers:type_name -> xray.proxy.wireguard.PeerConfig
0, // 1: xray.proxy.wireguard.DeviceConfig.domain_strategy:type_name -> xray.proxy.wireguard.DeviceConfig.DomainStrategy
2, // [2:2] is the sub-list for method output_type
2, // [2:2] 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
3, // 1: xray.proxy.wireguard.DeviceConfig.users:type_name -> xray.common.protocol.User
0, // 2: xray.proxy.wireguard.DeviceConfig.domain_strategy:type_name -> xray.proxy.wireguard.DeviceConfig.DomainStrategy
3, // [3:3] is the sub-list for method output_type
3, // [3:3] 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_proxy_wireguard_config_proto_init() }

View file

@ -6,6 +6,8 @@ option go_package = "github.com/xtls/xray-core/proxy/wireguard";
option java_package = "com.xray.proxy.wireguard";
option java_multiple_files = true;
import "common/protocol/user.proto";
message PeerConfig {
string public_key = 1;
string pre_shared_key = 2;
@ -25,6 +27,7 @@ message DeviceConfig {
string secret_key = 1;
repeated string endpoint = 2;
repeated PeerConfig peers = 3;
repeated xray.common.protocol.User users = 5;
int32 mtu = 4;
bytes reserved = 6;

View file

@ -2,11 +2,12 @@ package wireguard
import (
"context"
"encoding/hex"
"fmt"
"net/netip"
"reflect"
"strings"
"sync"
"sync/atomic"
"github.com/xtls/xray-core/common/buf"
c "github.com/xtls/xray-core/common/ctx"
@ -22,6 +23,7 @@ import (
"github.com/xtls/xray-core/transport"
"github.com/xtls/xray-core/transport/internet"
"github.com/xtls/xray-core/transport/internet/stat"
"golang.org/x/crypto/curve25519"
"golang.zx2c4.com/wireguard/device"
"golang.zx2c4.com/wireguard/tun"
"gvisor.dev/gvisor/pkg/tcpip/stack"
@ -45,9 +47,9 @@ type Server struct {
dev *device.Device
mu sync.Mutex
peers sync.Map
peersByIP sync.Map
peerCount atomic.Int64
pub [32]byte
users *sync.Map
emails *sync.Map
}
func NewServer(ctx context.Context, conf *DeviceConfig) (*Server, error) {
@ -78,15 +80,6 @@ func NewServer(ctx context.Context, conf *DeviceConfig) (*Server, error) {
}
}
if len(conf.Peers) == 0 {
return nil, errors.New("empty peers")
}
for _, peer := range conf.Peers {
if peer.PublicKey == "" {
return nil, errors.New("peer without publickey")
}
}
localAddresses := make([]netip.Addr, 0, len(conf.Endpoint))
for _, localaddress := range conf.Endpoint {
addr, err := netip.ParseAddr(localaddress)
@ -107,7 +100,25 @@ func NewServer(ctx context.Context, conf *DeviceConfig) (*Server, error) {
return nil, err
}
s := &Server{
pri, err := ParseKey(conf.SecretKey)
if err != nil {
return nil, err
}
var pub [32]byte
curve25519.ScalarBaseMult(&pub, pri)
users := &sync.Map{}
emails := &sync.Map{}
for _, u := range conf.Users {
user, err := u.ToMemoryUser()
if err != nil {
return nil, err
}
users.Store(user.Account.(*MemoryAccount).Pub, user)
emails.Store(user.Email, user)
}
return &Server{
conf: conf,
ctx: core.ToBackgroundDetachedContext(ctx),
policyManager: p,
@ -122,32 +133,83 @@ func NewServer(ctx context.Context, conf *DeviceConfig) (*Server, error) {
tun: tun,
stack: stack,
}
// Seed peer maps from the static config so that GetUser / GetUsers work
// for peers configured at startup, not only for dynamically added ones.
for _, peer := range conf.Peers {
if peer.PublicKey == "" {
continue
}
mu := &protocol.MemoryUser{
Email: peer.PublicKey,
Account: &MemoryAccount{
PublicKey: peer.PublicKey,
PreSharedKey: peer.PreSharedKey,
AllowedIPs: peer.AllowedIps,
},
}
s.peers.Store(peer.PublicKey, mu)
s.peerCount.Add(1)
for _, cidr := range peer.AllowedIps {
if addr, err := parseFirstAddr(cidr); err == nil {
s.peersByIP.Store(addr, mu)
}
}
}
pub: pub,
users: users,
emails: emails,
}, nil
}
return s, nil
func (s *Server) AddUser(ctx context.Context, user *protocol.MemoryUser) error {
s.mu.Lock()
defer s.mu.Unlock()
if s.dev == nil {
return errors.New("too early")
}
peer := user.Account.(*MemoryAccount)
if peer.Pub == s.pub {
return errors.New("invalid public key")
}
var sb strings.Builder
sb.WriteString("public_key=" + hex.EncodeToString(peer.Pub[:]) + "\n")
sb.WriteString("replace_allowed_ips=true")
for _, ip := range peer.AllowedIPs {
sb.WriteString("allowed_ip=" + ip.String() + "\n")
}
if peer.PreSharedKey != "" {
sb.WriteString("preshared_key=" + peer.PreSharedKey + "\n")
}
if peer.KeepAlive != "" {
sb.WriteString("persistent_keepalive_interval=" + peer.KeepAlive + "\n")
}
err := s.dev.IpcSet(sb.String())
if err != nil {
return err
}
s.users.Store(peer.Pub, user)
s.emails.Store(user.Email, user)
return nil
}
func (s *Server) RemoveUser(ctx context.Context, email string) error {
s.mu.Lock()
defer s.mu.Unlock()
if s.dev == nil {
return errors.New("too early")
}
if value, ok := s.emails.Load(email); ok {
peer := value.(*protocol.MemoryUser).Account.(*MemoryAccount)
err := s.dev.IpcSet("public_key=" + hex.EncodeToString(peer.Pub[:]) + "\n" + "remove=true\n")
if err != nil {
return err
}
s.emails.Delete(email)
s.users.Delete(peer.Pub)
}
return nil
}
func (s *Server) GetUser(ctx context.Context, email string) *protocol.MemoryUser {
if value, ok := s.emails.Load(email); ok {
return value.(*protocol.MemoryUser)
}
return nil
}
func (s *Server) GetUsers(ctx context.Context) (users []*protocol.MemoryUser) {
s.users.Range(func(key, value interface{}) bool {
users = append(users, value.(*protocol.MemoryUser))
return true
})
return
}
func (s *Server) GetUsersCount(context.Context) (count int64) {
s.users.Range(func(key, value interface{}) bool {
count++
return true
})
return
}
// Network implements proxy.Inbound.Network.
@ -227,18 +289,20 @@ func (s *Server) Start() error {
dev := device.NewDevice(s.tun, bind, logger)
var cfg strings.Builder
cfg.WriteString("private_key=" + s.conf.SecretKey + "\n")
for _, peer := range s.conf.Peers {
cfg.WriteString("public_key=" + peer.PublicKey + "\n")
s.users.Range(func(key, value any) bool {
peer := value.(*protocol.MemoryUser).Account.(*MemoryAccount)
cfg.WriteString("public_key=" + hex.EncodeToString(peer.Pub[:]) + "\n")
for _, ip := range peer.AllowedIPs {
cfg.WriteString("allowed_ip=" + ip.String() + "\n")
}
if peer.PreSharedKey != "" {
cfg.WriteString("preshared_key=" + peer.PreSharedKey + "\n")
}
for _, ip := range peer.AllowedIps {
cfg.WriteString("allowed_ip=" + ip + "\n")
}
if peer.KeepAlive != "" {
cfg.WriteString("persistent_keepalive_interval=" + peer.KeepAlive + "\n")
}
}
return true
})
err := dev.IpcSet(cfg.String())
if err != nil {
return err
@ -258,21 +322,47 @@ func (s *Server) HandleConnection(conn net.Conn, dest net.Destination) {
defer cancel()
ctx = c.ContextWithID(ctx, session.NewID())
remote := conn.RemoteAddr()
if remote == nil {
errors.LogError(context.Background(), "nil remote")
return
}
var addr netip.Addr
switch v := remote.(type) {
case *net.TCPAddr:
addr, _ = netip.AddrFromSlice(v.IP)
case *net.UDPAddr:
addr, _ = netip.AddrFromSlice(v.IP)
default:
errors.LogError(context.Background(), "invalid addr type ", reflect.TypeOf(v))
return
}
var user *protocol.MemoryUser
s.users.Range(func(key, value any) bool {
peer := value.(*protocol.MemoryUser).Account.(*MemoryAccount)
for _, ip := range peer.AllowedIPs {
if ip.Contains(addr) {
user = value.(*protocol.MemoryUser)
return false
}
}
return true
})
if user == nil {
errors.LogError(context.Background(), "nil user for ", remote)
return
}
source := net.DestinationFromAddr(conn.RemoteAddr())
inbound := session.Inbound{
Name: "wireguard",
Tag: s.tag,
CanSpliceCopy: 3,
Source: source,
}
// Tag the session with the peer's user identity when the tunnel source IP
// maps to a known peer. This makes the user visible in access logs and
// enables per-user traffic accounting via the stats manager.
if addrPort, err := netip.ParseAddrPort(conn.RemoteAddr().String()); err == nil {
if v, ok := s.peersByIP.Load(addrPort.Addr()); ok {
inbound.User = v.(*protocol.MemoryUser)
}
User: user,
}
ctx = session.ContextWithInbound(ctx, &inbound)
@ -298,92 +388,13 @@ func (s *Server) HandleConnection(conn net.Conn, dest net.Destination) {
}
}
// device returns the running *device.Device used by AddUser / RemoveUser.
// Callers must NOT hold s.mu.
func (s *Server) device() (*device.Device, error) {
s.mu.Lock()
dev := s.dev
s.mu.Unlock()
if dev == nil {
return nil, errors.New("wireguard server is not running")
}
return dev, nil
}
// AddUser implements proxy.UserManager.
// The peer is installed into the running WireGuard device via IPC and
// tracked in the in-memory maps so that subsequent API calls and log
// annotations see it immediately.
func (s *Server) AddUser(_ context.Context, u *protocol.MemoryUser) error {
account, ok := u.Account.(*MemoryAccount)
if !ok {
return errors.New("not a WireGuard account")
}
dev, err := s.device()
func ParseKey(str string) (*[32]byte, error) {
slice, err := hex.DecodeString(str)
if err != nil {
return err
return nil, err
}
if err := dev.IpcSet(buildPeerIPC(account)); err != nil {
return err
if len(slice) != 32 {
return nil, errors.New("invalid length")
}
email := u.Email
if email == "" {
email = account.PublicKey
}
u.Email = email
if _, loaded := s.peers.LoadOrStore(email, u); loaded {
return errors.New("peer ", email, " already exists")
}
s.peerCount.Add(1)
for _, cidr := range account.AllowedIPs {
if addr, err := parseFirstAddr(cidr); err == nil {
s.peersByIP.Store(addr, u)
}
}
return nil
}
// RemoveUser implements proxy.UserManager.
func (s *Server) RemoveUser(_ context.Context, email string) error {
v, ok := s.peers.LoadAndDelete(email)
if !ok {
return errors.New("peer ", email, " not found")
}
s.peerCount.Add(-1)
mu := v.(*protocol.MemoryUser)
account := mu.Account.(*MemoryAccount)
for _, cidr := range account.AllowedIPs {
if addr, err := parseFirstAddr(cidr); err == nil {
s.peersByIP.Delete(addr)
}
}
dev, err := s.device()
if err != nil {
return err
}
return dev.IpcSet(buildRemovePeerIPC(account.PublicKey))
}
// GetUser implements proxy.UserManager.
func (s *Server) GetUser(_ context.Context, email string) *protocol.MemoryUser {
v, ok := s.peers.Load(email)
if !ok {
return nil
}
return v.(*protocol.MemoryUser)
}
// GetUsers implements proxy.UserManager.
func (s *Server) GetUsers(_ context.Context) []*protocol.MemoryUser {
var out []*protocol.MemoryUser
s.peers.Range(func(_, v any) bool {
out = append(out, v.(*protocol.MemoryUser))
return true
})
return out
}
// GetUsersCount implements proxy.UserManager.
func (s *Server) GetUsersCount(_ context.Context) int64 {
return s.peerCount.Load()
return (*[32]byte)(slice), nil
}