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srv.go
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srv.go
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package main
import (
"fmt"
"log"
"net"
"crypto/tls"
"time"
"github.com/inconshreveable/muxado"
)
var cfg *config
var clientjson []byte
var clients = make(map[muxado.Session]*client)
const banner = `
_ ____ ___ __ _ ____ ___ __ ___ __ __
| '__\ \ / / '_ \| '__\ \/ / '_ ` + "`" + ` _ \\ \/ /
| | \ V /| |_) | | > <| | | | | |> <
|_| \_/ | .__/|_| /_/\_\_| |_| |_/_/\_\
|_| !TRUMP!
`
//Listen create a listener and serve on it
func listen() error {
cer, err := tls.LoadX509KeyPair("server.crt", "server.key")
if err != nil {
return err
}
tlsconfig := &tls.Config{Certificates: []tls.Certificate{cer}}
l, err := tls.Listen("tcp", ":"+cfg.CnCPort, tlsconfig)
//l, err := net.Listen("tcp", ":"+cfg.CnCPort)
if err != nil {
return err
}
log.Println("Started CnC server at port " + cfg.CnCPort)
defer l.Close()
for {
conn, err := l.Accept()
if err != nil {
log.Printf("TCP accept failed: %s\n", err)
continue
}
go handle(conn)
}
}
//handle a new client connection
func handle(conn net.Conn) {
// Setup server side of muxado
session := muxado.Server(conn, nil)
defer session.Close()
//Setup tcp server on random free port
listener, err := net.Listen("tcp", ":")
if err != nil {
log.Println("Error starting Socks listener", err)
return
}
//create new Client
client := newClient(session, listener, cfg.SocksUsername, randomString(6))
clients[session] = client
go client.listen()
log.Printf("Started new SOCKS listener at port %v, auth %v:%v\n", listener.Addr().String(), client.Username, client.Password)
//blocks until the muxado connnection is closed
client.wait()
//delete client
delete(clients, session)
}
func main() {
fmt.Println(banner)
var err error
cfg, err = loadConfig()
if err != nil {
log.Fatal(err)
}
//should/could possibly be lower or smth
schedule(updatejson, 1000*time.Millisecond)
//schedule(func() { log.Println(clientjson) }, 2000*time.Millisecond)
go startHTTP(cfg.HTTPPort)
log.Println("Started HTTP server at port " + cfg.HTTPPort)
//run main tcp server
listen()
}