/
root.go
308 lines (267 loc) · 6.94 KB
/
root.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
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
// Copyright 2018 fatedier, fatedier@gmail.com
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package sub
import (
"context"
"fmt"
"net"
"os"
"os/signal"
"strconv"
"strings"
"syscall"
"time"
"github.com/spf13/cobra"
"github.com/HaidyCao/frp_0282/client"
"github.com/HaidyCao/frp_0282/g"
"github.com/HaidyCao/frp_0282/models/config"
"github.com/HaidyCao/frp_0282/utils/log"
"github.com/HaidyCao/frp_0282/utils/version"
"github.com/fatedier/golib/crypto"
)
const (
CfgFileTypeIni = iota
CfgFileTypeCmd
)
var (
cfgFile string
showVersion bool
serverAddr string
user string
protocol string
token string
logLevel string
logFile string
logMaxDays int
proxyName string
localIp string
localPort int
remotePort int
useEncryption bool
useCompression bool
customDomains string
subDomain string
httpUser string
httpPwd string
locations string
hostHeaderRewrite string
role string
sk string
serverName string
bindAddr string
bindPort int
kcpDoneCh chan struct{}
)
func init() {
rootCmd.PersistentFlags().StringVarP(&cfgFile, "config", "c", "./frpc.ini", "config file of frpc")
rootCmd.PersistentFlags().BoolVarP(&showVersion, "version", "v", false, "version of frpc")
kcpDoneCh = make(chan struct{})
}
var rootCmd = &cobra.Command{
Use: "frpc",
Short: "frpc is the client of frp (https://github.com/fatedier/frp)",
RunE: func(cmd *cobra.Command, args []string) error {
if showVersion {
fmt.Println(version.Full())
return nil
}
// Do not show command usage here.
err := runClient(cfgFile)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
return nil
},
}
// if cmd model
var cmd bool
var service *client.Service
func Execute() {
cmd = true
if err := rootCmd.Execute(); err != nil {
os.Exit(1)
}
}
func RunFrpc(cfgFilePath string) (err error) {
cmd = false
crypto.DefaultSalt = "frp"
return runClient(cfgFilePath)
}
func NewService(cfgFilePath string) (ser *client.Service, err error) {
cmd = false
crypto.DefaultSalt = "frp"
return returnClient(cfgFilePath, false)
}
func StopFrp() (err error) {
if service == nil {
return fmt.Errorf("frp not start")
}
service.Close()
log.Info("frpc is stoped")
service = nil
return
}
func IsFrpRunning() bool {
return service != nil && !service.IsClosed()
}
func handleSignal(svr *client.Service) {
ch := make(chan os.Signal)
signal.Notify(ch, syscall.SIGINT, syscall.SIGTERM)
<-ch
svr.Close()
time.Sleep(250 * time.Millisecond)
close(kcpDoneCh)
}
func parseClientCommonCfg(fileType int, content string) (err error) {
if fileType == CfgFileTypeIni {
err = parseClientCommonCfgFromIni(content)
} else if fileType == CfgFileTypeCmd {
err = parseClientCommonCfgFromCmd()
}
if err != nil {
return
}
err = g.GlbClientCfg.ClientCommonConf.Check()
if err != nil {
return
}
return
}
func parseClientCommonCfgFromIni(content string) (err error) {
cfg, err := config.UnmarshalClientConfFromIni(&g.GlbClientCfg.ClientCommonConf, content)
if err != nil {
return err
}
g.GlbClientCfg.ClientCommonConf = *cfg
return
}
func parseClientCommonCfgFromCmd() (err error) {
strs := strings.Split(serverAddr, ":")
if len(strs) < 2 {
err = fmt.Errorf("invalid server_addr")
return
}
if strs[0] != "" {
g.GlbClientCfg.ServerAddr = strs[0]
}
g.GlbClientCfg.ServerPort, err = strconv.Atoi(strs[1])
if err != nil {
err = fmt.Errorf("invalid server_addr")
return
}
g.GlbClientCfg.User = user
g.GlbClientCfg.Protocol = protocol
g.GlbClientCfg.Token = token
g.GlbClientCfg.LogLevel = logLevel
g.GlbClientCfg.LogFile = logFile
g.GlbClientCfg.LogMaxDays = int64(logMaxDays)
if logFile == "console" {
g.GlbClientCfg.LogWay = "console"
} else {
g.GlbClientCfg.LogWay = "file"
}
return nil
}
func runClient(cfgFilePath string) (err error) {
var content string
content, err = config.GetRenderedConfFromFile(cfgFilePath)
if err != nil {
return
}
g.GlbClientCfg.CfgFile = cfgFilePath
err = parseClientCommonCfg(CfgFileTypeIni, content)
if err != nil {
return
}
pxyCfgs, visitorCfgs, err := config.LoadAllConfFromIni(g.GlbClientCfg.User, content, g.GlbClientCfg.Start)
if err != nil {
return err
}
return startService(pxyCfgs, visitorCfgs)
}
func returnClient(cfgFilePath string, run bool) (svr *client.Service, err error) {
var content string
content, err = config.GetRenderedConfFromFile(cfgFilePath)
if err != nil {
return
}
g.GlbClientCfg.CfgFile = cfgFilePath
err = parseClientCommonCfg(CfgFileTypeIni, content)
if err != nil {
return
}
pxyCfgs, visitorCfgs, err := config.LoadAllConfFromIni(g.GlbClientCfg.User, content, g.GlbClientCfg.Start)
if err != nil {
return nil, err
}
return returnService(pxyCfgs, visitorCfgs)
}
func startService(pxyCfgs map[string]config.ProxyConf, visitorCfgs map[string]config.VisitorConf) (err error) {
log.InitLog(g.GlbClientCfg.LogWay, g.GlbClientCfg.LogFile, g.GlbClientCfg.LogLevel, g.GlbClientCfg.LogMaxDays)
if g.GlbClientCfg.DnsServer != "" {
s := g.GlbClientCfg.DnsServer
if !strings.Contains(s, ":") {
s += ":53"
}
// Change default dns server for frpc
net.DefaultResolver = &net.Resolver{
PreferGo: true,
Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
return net.Dial("udp", s)
},
}
}
svr, errRet := client.NewService(pxyCfgs, visitorCfgs)
if errRet != nil {
err = errRet
return
}
service = svr
// Capture the exit signal if we use kcp.
if g.GlbClientCfg.Protocol == "kcp" {
go handleSignal(svr)
}
err = svr.Run(cmd)
if g.GlbClientCfg.Protocol == "kcp" {
<-kcpDoneCh
}
return
}
func returnService(pxyCfgs map[string]config.ProxyConf, visitorCfgs map[string]config.VisitorConf) (svr *client.Service, err error) {
log.InitLog(g.GlbClientCfg.LogWay, g.GlbClientCfg.LogFile, g.GlbClientCfg.LogLevel, g.GlbClientCfg.LogMaxDays)
if g.GlbClientCfg.DnsServer != "" {
s := g.GlbClientCfg.DnsServer
if !strings.Contains(s, ":") {
s += ":53"
}
// Change default dns server for frpc
net.DefaultResolver = &net.Resolver{
PreferGo: true,
Dial: func(ctx context.Context, network, address string) (net.Conn, error) {
return net.Dial("udp", s)
},
}
}
svr, errRet := client.NewService(pxyCfgs, visitorCfgs)
if errRet != nil {
err = errRet
return
}
// Capture the exit signal if we use kcp.
if g.GlbClientCfg.Protocol == "kcp" {
go handleSignal(svr)
}
return svr, err
}