1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/**
* Diese Klasse testet die verwendete sendfiled-Version eines
* angegebenen Servers.
* <p>
* Sollte man vielleicht nicht zu oft aufrufen. Einige beobachten
* ihre Logfiles sehr genau.
*
* @author Stefan Scholl <stesch@sks.inka.de>
* @version $Id$
*/
import java.net.*;
import java.io.*;
public class SaftVersion {
static final int SAFTPORT = 487;
public static void main( String argv[] ) {
if( argv.length > 0 ) {
try {
String line, version = null;
Socket sock = new Socket( argv[0], SAFTPORT);
DataInputStream sdin = new DataInputStream(sock.getInputStream());
PrintStream spout = new PrintStream(sock.getOutputStream());
spout.println("version");
spout.println("quit");
do {
line = sdin.readLine();
if( line.startsWith("215") )
version = line.substring(4);
} while ( !line.startsWith("221"));
if( version != null ) {
System.out.println(argv[0] + "'s SAFT:");
System.out.println(version);
} else {
System.out.println("No Version found!?");
}
}
catch ( UnknownHostException e ) {
System.out.println("Can't find " + argv[0]);
}
catch ( IOException e ) {
System.out.println("Error connecting to " + argv[0]);
}
} else {
System.out.println("USAGE: java SaftVersion.class <hostname>");
}
}
}
|
