bombadillo/finger/finger.go

47 lines
1.1 KiB
Go

/*
* Copyright (C) 2022 Brian Evans
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package finger
import (
"fmt"
"io/ioutil"
"net"
"time"
)
func Finger(host, port, resource string) (string, error) {
addr := fmt.Sprintf("%s:%s", host, port)
timeOut := time.Duration(3) * time.Second
conn, err := net.DialTimeout("tcp", addr, timeOut)
if err != nil {
return "", err
}
defer conn.Close()
_, err = conn.Write([]byte(resource + "\r\n"))
if err != nil {
return "", err
}
result, err := ioutil.ReadAll(conn)
if err != nil {
return "", err
}
return string(result), nil
}