func updatePasswd() {
log.Println("updating password")
newconfig, err := ss.ParseConfig(configFile)
if err != nil {
log.Printf("error parsing config file %s to update password: %v\n", configFile, err)
return
}
oldconfig := config
config = newconfig
if err = unifyPortPassword(config); err != nil {
return
}
for port, passwd := range config.PortPassword {
passwdManager.updatePortPasswd(port, passwd)
if oldconfig.PortPassword != nil {
delete(oldconfig.PortPassword, port)
}
}
// port password still left in the old config should be closed
for port, _ := range oldconfig.PortPassword {
log.Printf("closing port %s as it's deleted\n", port)
passwdManager.del(port)
}
log.Println("password updated")
}
func main() {
log.SetOutput(os.Stdout)
var cmdConfig ss.Config
var printVer bool
var core int
flag.BoolVar(&printVer, "version", false, "print version")
flag.StringVar(&configFile, "c", "config.json", "specify config file")
flag.StringVar(&cmdConfig.Password, "k", "", "password")
flag.IntVar(&cmdConfig.ServerPort, "p", 0, "server port")
flag.IntVar(&cmdConfig.Timeout, "t", 300, "timeout in seconds")
flag.StringVar(&cmdConfig.Method, "m", "", "encryption method, default: aes-256-cfb")
flag.IntVar(&core, "core", 0, "maximum number of CPU cores to use, default is determinied by Go runtime")
flag.BoolVar((*bool)(&debug), "d", false, "print debug message")
flag.Parse()
if printVer {
ss.PrintVersion()
os.Exit(0)
}
ss.SetDebug(debug)
var err error
config, err = ss.ParseConfig(configFile)
if err != nil {
if !os.IsNotExist(err) {
fmt.Fprintf(os.Stderr, "error reading %s: %v\n", configFile, err)
os.Exit(1)
}
config = &cmdConfig
} else {
ss.UpdateConfig(config, &cmdConfig)
}
if config.Method == "" {
config.Method = "aes-256-cfb"
}
if err = ss.CheckCipherMethod(config.Method); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err = unifyPortPassword(config); err != nil {
os.Exit(1)
}
if core > 0 {
runtime.GOMAXPROCS(core)
}
for port, password := range config.PortPassword {
log.Printf("%s\n", password)
go run(port, password, config.WhiteList)
}
waitSignal()
}