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main.go
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main.go
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package main
import (
"flag"
"fmt"
"github.com/esrrhs/gohome/common"
"github.com/esrrhs/gohome/loggo"
"github.com/esrrhs/spp/proxy"
"os"
"reflect"
"strconv"
"strings"
"time"
)
func main() {
usage := ""
config := proxy.DefaultConfig()
config.Compress = 0
config.Encrypt = ""
config.PingInter = 10
config.MaxMsgSize = 10 * 1024
config.MaxClient = 128
ss := reflect.ValueOf(config).Elem()
typeOfT := ss.Type()
for i := 0; i < ss.NumField(); i++ {
name := typeOfT.Field(i).Name
if ss.Field(i).Kind() == reflect.Int {
usage += fmt.Sprintf("%v = %v\n", strings.ToLower(name), ss.Field(i).Int())
} else if ss.Field(i).Kind() == reflect.String {
usage += fmt.Sprintf("%v = %v\n", strings.ToLower(name), ss.Field(i).String())
} else if ss.Field(i).Kind() == reflect.Bool {
usage += fmt.Sprintf("%v = %v\n", strings.ToLower(name), ss.Field(i).Bool())
}
}
flag.Usage = func() {
fmt.Println(usage)
}
vpn := flag.Bool("V", false, "")
flag.Parse()
loggo.Ini(loggo.Config{
Level: loggo.LEVEL_INFO,
Prefix: "spp",
MaxDay: 3,
NoLogFile: true,
NoPrint: false,
})
log_init()
loggo.Info("start plugin")
loggo.Info("vpn mode %v", *vpn)
loggo.Info("parse env")
opts, err := parseEnv()
if err != nil {
loggo.Error("parseEnv fail %v", err)
os.Exit(-11)
}
remoteaddr, _ := opts.Get(strings.ToLower("remoteaddr"))
localaddr, _ := opts.Get(strings.ToLower("localaddr"))
remotehost, _ := opts.Get(strings.ToLower("remotehost"))
localhost, _ := opts.Get(strings.ToLower("localhost"))
loggo.Info("remoteaddr %v", remoteaddr)
loggo.Info("localaddr %v", localaddr)
loggo.Info("remotehost %v", remotehost)
loggo.Info("localhost %v", localhost)
loggo.Info("set config")
for i := 0; i < ss.NumField(); i++ {
name := typeOfT.Field(i).Name
if value, b := opts.Get(strings.ToLower(name)); b {
if ss.Field(i).IsValid() && ss.Field(i).CanSet() {
if ss.Field(i).Kind() == reflect.Int {
x, _ := strconv.Atoi(value)
if !ss.Field(i).OverflowInt(int64(x)) {
ss.Field(i).SetInt(int64(x))
loggo.Info("%v = %v", name, x)
}
} else if ss.Field(i).Kind() == reflect.String {
ss.Field(i).SetString(value)
loggo.Info("%v = %v", name, value)
} else if ss.Field(i).Kind() == reflect.Bool {
x := value == "true"
ss.Field(i).SetBool(x)
loggo.Info("%v = %v", name, x)
}
}
}
}
var protos []string
if value, b := opts.Get("proto"); b {
protos = append(protos, value)
} else {
protos = append(protos, "tcp")
}
loggo.Info("protos %v", protos)
if *vpn {
registerControlFunc()
}
go parentMonitor(3)
addr := remoteaddr
if protos[0] == "ricmp" {
addr = remotehost
}
ty, _ := opts.Get("type")
if len(ty) > 0 && ty == "server" {
loggo.Info("start server")
_, err := proxy.NewServer(config, protos, []string{addr})
if err != nil {
loggo.Error("NewServer fail %v", err)
os.Exit(-12)
}
loggo.Info("start server ok")
} else {
loggo.Info("start client")
_, err := proxy.NewClient(config, protos[0], addr, common.UniqueId(),
"ss_proxy",
[]string{"tcp"}, []string{localaddr}, []string{""})
if err != nil {
loggo.Error("NewClient fail %v", err)
os.Exit(-13)
}
loggo.Info("start client ok")
}
for {
time.Sleep(time.Hour)
}
}
func parentMonitor(interval int) {
ticker := time.NewTicker(time.Duration(interval) * time.Second)
defer ticker.Stop()
pid := os.Getppid()
for {
select {
case <-ticker.C:
curpid := os.Getppid()
if curpid != pid {
os.Exit(1)
}
}
}
}