mirror of
https://github.com/ergochat/ergo.git
synced 2024-12-22 18:52:41 +01:00
32 lines
761 B
Go
32 lines
761 B
Go
|
// +build linux
|
||
|
|
|
||
|
|
package utils
|
||
|
|
|
||
|
|
import (
|
||
|
|
"fmt"
|
||
|
|
"net"
|
||
|
|
"syscall"
|
||
|
|
)
|
||
|
|
|
||
|
|
// Output a description of a connection that can identify it to other systems
|
||
|
|
// administration tools.
|
||
|
|
func DescribeConn(c net.Conn) (description string) {
|
||
|
|
description = "<error>"
|
||
|
|
switch conn := c.(type) {
|
||
|
|
case *net.UnixConn:
|
||
|
|
f, err := conn.File()
|
||
|
|
if err != nil {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
defer f.Close()
|
||
|
|
ucred, err := syscall.GetsockoptUcred(int(f.Fd()), syscall.SOL_SOCKET, syscall.SO_PEERCRED)
|
||
|
|
if err != nil {
|
||
|
|
return
|
||
|
|
}
|
||
|
|
return fmt.Sprintf("%s <-> %s [pid=%d, uid=%d]", conn.LocalAddr().String(), conn.RemoteAddr().String(), ucred.Pid, ucred.Uid)
|
||
|
|
default:
|
||
|
|
// *net.TCPConn or *tls.Conn
|
||
|
|
return fmt.Sprintf("%s <-> %s", conn.LocalAddr().String(), conn.RemoteAddr().String())
|
||
|
|
}
|
||
|
|
}
|