一个用于网络的工具函数库

网络编程 2024/11/15 佚名

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<?PHP

/*
PHP Net Toolpack v0.1 08.05.2000,
by waddler(@netlife.fi)
phpnettoolpack.sourceforge.net
To be distributed under GNU GPL
*/

// whois(hostname [,username, [port]])
Function whois ($a_server, $a_query="", $a_port=43) {
$sock = fsockopen($a_server, $a_port, &$errno, &$errstr, 10);
if (!$sock)
{
echo "$errstr ($errno)<BR>n";
} else {
fputs($sock, "$a_queryrn");
while(!feof($sock))
{
$buf = fgets($sock,128);
if (ereg( "Whois Server:", $buf))
{
$a_server = str_replace( "Whois Server: ", "", $buf);
$a_server = trim($a_server);
}
}
fclose($sock);

if ($a_server)
{
print "<B>$a_query is registered at $a_server:</B><BR>";
$sock = fsockopen($a_server, 43, &$errno, &$errstr, 10);
if(!$sock)
{
echo "Could not open connection to $a_server on port $a_port.n";
echo "$errstr ($errno)<BR>n";
} else {
fputs($sock, "$a_queryrn");
while(!feof($sock))
{
echo fgets($sock,128);
}
fclose($sock);
}
} else {
echo "<b>$a_query was not found.</b><BR>";
}
}
}

// finger(hostname [,username, [port]])
Function finger ($a_server, $a_query="", $a_port=79) {
$sock=fsockopen($a_server,$a_port, &$errno, &$errstr, 10);
if (!$sock)
{
$ret_str = "$errstr ($errno)<BR>n";
} else {
fputs($sock,"$a_queryn");
while (!feof($sock)) { $ret_str .= fgets($sock,128); }
fclose($sock);
}
echo $ret_str;
return $ret_str;
}

// traceroute(hostname)
Function traceroute ($a_query) {
exec("traceroute $a_query",$ret_strs);
$str_count = count($ret_strs);
for ($count=0; $count < $str_count; $count++)
print "$count/$str_count".$ret_strs[$count]."n";
}

// -----------------------------------------------------------

$app_name = "PHP Net Toolpack";
$app_version = "0.1";

$TOOLS = array(
"finger" => "Finger",
"traceroute" => "Traceroute",
"whois" => "Whois?"
);

// when included inside <select name="tool"> on a html file ..
if ($tool=="listtools")
{
while (list($key, $val) = each($TOOLS)) {
print " <OPTION VALUE="".$key."">".$val."</OPTION>n";
}
exit;
}

// print appropriate html header
print "<HTML>";
if ($tool)
{
print "<HEAD><TITLE>".$tool." for ".$query."</TITLE></HEAD>n";
print "<BODY>n<H3>".$tool." for ".$query." ..</H3>n";
} else {
print "<HEAD><TITLE>".$app_name."</TITLE></HEAD>n";
print "<BODY>n<H3>".$app_name."</H3>n";
}

// check what tool they want to use and do what is necessary
switch($tool) {
case "finger":
if ($query)
{
print "<PRE>n";
finger($server, $query);
print "</PRE>";
} else {
?>

<FORM ACTION="<?PHP echo($PHP_SELF. "?tool=".$tool); ?>" METHOD="post">
Server : <INPUT TYPE="text" NAME="server" VALUE="localhost"> <BR>
Query : <INPUT TYPE="text" NAME="query" SIZE="40" MAXLENGTH="100"> <BR>
<INPUT TYPE="submit" VALUE="Finger">
</FORM>

<?PHP
}
break;

case "traceroute":
if ($query)
{
print "<PRE>n";
traceroute($query);
print "</PRE>";
} else {
?>

<FORM ACTION="<?PHP echo($PHP_SELF. "?tool=".$tool); ?>" METHOD="post">
Query : <INPUT TYPE="text" NAME="query" SIZE="40" MAXLENGTH="100"> <BR>
<INPUT TYPE="submit" VALUE="Trace route">
</FORM>

<?PHP
}
break;

case "whois":
if ($query)
{
print "<PRE>n";
whois($server,$query);
print "</PRE>";
} else {
?>



<FORM ACTION="<?PHP echo($PHP_SELF. "?tool=".$tool); ?>" METHOD="post">
This will find .com, .org, and .net domains<BR>
Server : <INPUT TYPE="text" NAME="server" VALUE="rs.internic.net"> <BR>
Query : <INPUT TYPE="text" NAME="query" SIZE="40" MAXLENGTH="100"> <BR>
<INPUT TYPE="submit" VALUE="<?PHP echo $TOOLS[$tool]; ?>">
</FORM>

<?PHP
}
break;

default:
print "<UL>Currently supported tools are:n";
while (list($key, $val) = each($TOOLS)) {
echo "<LI><A HREF="".$PHP_SELF."?tool=".$key."">".$val."</A></LI>n";
}
print "</UL>n";
break;
}

print "n<HR><SMALL>".$app_name." v".$app_version."</SMALL>n";
print "<BODY>n</HTML>";

?>

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