-
Notifications
You must be signed in to change notification settings - Fork 2
/
vmess.go
170 lines (160 loc) · 4.59 KB
/
vmess.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
package vmess
import (
"bytes"
"context"
"encoding/binary"
"fmt"
"io"
"net"
"time"
"github.com/daeuniverse/softwind/netproxy"
"github.com/daeuniverse/softwind/protocol"
"github.com/daeuniverse/softwind/protocol/direct"
"github.com/daeuniverse/softwind/protocol/vmess"
"github.com/daeuniverse/softwind/transport/grpc"
johnLog "github.com/e14914c0-6759-480d-be89-66b7b7676451/BitterJohn/pkg/log"
"github.com/e14914c0-6759-480d-be89-66b7b7676451/SweetLisa/common"
"github.com/e14914c0-6759-480d-be89-66b7b7676451/SweetLisa/config"
"github.com/e14914c0-6759-480d-be89-66b7b7676451/SweetLisa/manager"
"github.com/e14914c0-6759-480d-be89-66b7b7676451/SweetLisa/model"
"github.com/e14914c0-6759-480d-be89-66b7b7676451/SweetLisa/pkg/log"
"github.com/google/uuid"
jsoniter "github.com/json-iterator/go"
)
func init() {
manager.Register(string(protocol.ProtocolVMessTCP), New)
manager.Register(string(protocol.ProtocolVMessTlsGrpc), NewWithGrpc)
// init the log of bitterJohnConfig with sweetLisa's config
params := *config.GetConfig()
var logFile string
if params.LogFile != "" {
logFile += ".bitterJohn"
}
logWay := "console"
if params.LogFile != "" {
logWay = "file"
}
johnLog.InitLog(logWay, params.LogFile, params.LogLevel, params.LogMaxDays, params.LogDisableColor, params.LogDisableTimestamp)
}
type VMess struct {
protocol protocol.Protocol
dialer manager.Dialer
arg manager.ManageArgument
cmdKey []byte
}
func New(dialer manager.Dialer, arg manager.ManageArgument) (manager.Manager, error) {
id, err := uuid.Parse(arg.Argument.Password)
if err != nil {
return nil, err
}
return &VMess{
dialer: dialer,
arg: arg,
protocol: protocol.ProtocolVMessTCP,
cmdKey: vmess.NewID(id).CmdKey(),
}, nil
}
func NewWithGrpc(dialer manager.Dialer, arg manager.ManageArgument) (manager.Manager, error) {
id, err := uuid.Parse(arg.Argument.Password)
if err != nil {
return nil, err
}
return &VMess{
dialer: dialer,
arg: arg,
protocol: protocol.ProtocolVMessTlsGrpc,
cmdKey: vmess.NewID(id).CmdKey(),
}, nil
}
func (s *VMess) GetTurn(ctx context.Context, cmd protocol.MetadataCmd, body []byte) (respBody *manager.ReaderCloser, err error) {
if len(body) >= 1<<17 {
log.Trace("GetTurn(vmess): to: %v, len(body): %v", net.JoinHostPort(s.arg.Host, s.arg.Port), len(body))
}
addr := net.JoinHostPort(s.arg.Host, s.arg.Port)
dialer := s.dialer
if dialer == nil {
dialer = &netproxy.ContextDialerConverter{
Dialer: direct.SymmetricDirect,
}
}
if s.protocol == protocol.ProtocolVMessTlsGrpc {
sni, err := common.HostToSNI(s.arg.Host, s.arg.RootDomain)
if err != nil {
return nil, err
}
dialer = &grpc.Dialer{
NextDialer: dialer,
ServiceName: common.SimplyGetParam(s.arg.Argument.Method, "serviceName"),
ServerName: sni,
}
}
conn, err := dialer.DialContext(ctx, "tcp", addr)
if err != nil {
return nil, err
}
go func() {
<-ctx.Done()
conn.SetDeadline(time.Now())
}()
vConn, err := vmess.NewConn(conn, vmess.Metadata{
Metadata: protocol.Metadata{
Type: protocol.MetadataTypeMsg,
Cmd: cmd,
Cipher: string(vmess.CipherAES128GCM),
IsClient: true,
},
Network: "tcp",
}, addr, s.cmdKey)
if err != nil {
conn.Close()
return nil, err
}
go func() {
<-ctx.Done()
vConn.SetDeadline(time.Now())
}()
req := make([]byte, len(body)+4)
binary.BigEndian.PutUint32(req, uint32(len(body)))
copy(req[4:], body)
if _, err = vConn.Write(req); err != nil {
vConn.Close()
return nil, err
}
// reuse the req variable to read length
if _, err = io.ReadFull(vConn, req[:4]); err != nil {
vConn.Close()
return nil, err
}
return &manager.ReaderCloser{Reader: io.LimitReader(vConn, int64(binary.BigEndian.Uint32(req[:4]))), Closer: vConn}, nil
}
func (s *VMess) Ping(ctx context.Context) (resp *model.PingResp, err error) {
respBody, err := s.GetTurn(ctx, protocol.MetadataCmdPing, []byte("ping"))
if err != nil {
return nil, err
}
defer respBody.Closer.Close()
var r model.PingResp
if err = jsoniter.NewDecoder(respBody.Reader).Decode(&r); err != nil {
return nil, err
}
return &r, nil
}
func (s *VMess) SyncPassages(ctx context.Context, passages []model.Passage) (err error) {
body, err := jsoniter.Marshal(passages)
if err != nil {
return err
}
respBody, err := s.GetTurn(ctx, protocol.MetadataCmdSyncPassages, body)
if err != nil {
return err
}
defer respBody.Closer.Close()
var buf = make([]byte, 2)
if _, err = io.ReadFull(respBody.Reader, buf); err != nil {
return err
}
if !bytes.Equal(buf, []byte("OK")) {
return fmt.Errorf("unexpected SyncPassages response from server: %v", string(buf))
}
return nil
}