/
telnet.go
58 lines (49 loc) · 1.12 KB
/
telnet.go
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package telnet
import (
"crypto/tls"
"errors"
"fmt"
"io"
"log"
"net"
"github.com/lostsnow/cloudrain/telnet/internal"
)
var (
ErrClosed = errors.New("channel closed")
ErrInvalidCommand = errors.New("invalid command")
ErrMaxConnection = errors.New("maximum connection count reached")
)
var (
TermTypes = [][]byte{[]byte("CloudRain"), []byte("MTTS 141")} // MTTS_ANSI | MTTS_UTF8 | MTTS_256_COLORS | MTTS_PROXY (1+4+8+128)
MaxSessionConnections = 5
)
type Telnet struct {
Debug bool
Host string
Port int
Charset string
MultiConnection bool
Secure bool
SecureVerify bool
SendRemoteIp bool
}
func (t *Telnet) Dial() (conn net.Conn, err error) {
addr := fmt.Sprintf("%s:%d", t.Host, t.Port)
if t.Secure {
config := tls.Config{
InsecureSkipVerify: t.SecureVerify,
}
conn, err = tls.Dial("tcp", addr, &config)
} else {
conn, err = net.Dial("tcp", addr)
}
return conn, err
}
func SetLogger(logger *log.Logger) {
internal.Log = logger
}
func Close(c io.Closer) {
if err := c.Close(); err != nil {
internal.Log.Println(err)
}
}