func (dialer *IntercomDialer) Dial(host string) (io.ReadWriteCloser, error) {
dialer.lock.Lock()
defer dialer.lock.Unlock()
bla := strings.Split(host, "@")
host = bla[1]
key := bla[0]
// Establish the connection if doesn't exist
if dialer.mapping[host] == nil {
xaxa, err := net.Dial("tcp", host)
if err != nil {
return nil, err
}
really, err := kiss.Obfs4fHandshake(xaxa, false, key)
if err != nil {
return nil, err
}
dialer.mapping[host] = make_icom_ctx(really, false, true, 2048)
}
for i := 0; i < 10; i++ {
select {
case <-dialer.mapping[host].killswitch:
xaxa, err := net.Dial("tcp", host)
if err != nil {
return nil, err
}
really, err := kiss.Obfs4fHandshake(xaxa, false, key)
if err != nil {
return nil, err
}
dialer.mapping[host] = make_icom_ctx(really, false, true, 2048)
default:
}
}
select {
case <-dialer.mapping[host].killswitch:
return nil, errors.New("Connection keeps on failing.")
default:
return VSConnect(dialer.mapping[host].our_srv)
}
}
func MakeIntercomServer(laddr string) IntercomServer {
bla := strings.Split(laddr, "@")
toret := make(chan io.ReadWriteCloser)
listener, err := net.Listen("tcp", bla[1])
if err != nil {
panic(err.Error())
}
go func() {
for {
newclient, err := listener.Accept()
if err != nil {
continue
}
realclient, err := kiss.Obfs4fHandshake(newclient, true, bla[0])
if err != nil {
newclient.Close()
continue
}
go func() {
ctx := make_icom_ctx(realclient, true, true, 2048)
go func() {
defer realclient.Close()
for {
thing, err := ctx.our_srv.Accept()
if err != nil {
return
}
toret <- thing
}
}()
}()
}
}()
return IntercomServer(toret)
}