// server connection. We need one of these for each session because PHP does
// not have a way to bind a session to a persistent socket.
//
+// Web designers: don't touch this module. It's not included in your web pages
+// and therefore you don't need to be here.
+//
// Copyright (c) 2003 by Art Cancro <ajc@uncensored.citadel.org>
// This program is released under the terms of the GNU General Public License.
-//
// sock_gets() -- reads one line of text from a socket
system("/bin/rm -f " . $sockname);
$sock = socket_create(AF_UNIX, SOCK_STREAM, 0);
-if ($sock < 0) {
+if (!$sock) {
echo "socket_create() failed: ", socket_strerror($sock), "\n";
system("/bin/rm -f " . $sockname);
exit(2);
}
$ret = socket_bind($sock, $sockname);
-if ($ret < 0) {
+if (!$ret) {
echo "socket_bind() failed: ", socket_strerror($ret), "\n";
system("/bin/rm -f " . $sockname);
exit(3);
}
$ret = socket_listen($sock, 5);
-if ($ret < 0) {
+if (!$ret) {
echo "socket_listen() failed: ", socket_strerror($ret), "\n";
system("/bin/rm -f " . $sockname);
exit(4);
}
+// Set the permissions so someone else doesn't jump into our connection.
+chmod($sockname, 0600);
+
// We need to get a connection to the Citadel server going now.
$ctdlsock = fsockopen("uncensored.citadel.org", 504, $errno, $errstr, 30);
-// $ctdlsock = fsockopen("/appl/citadel/citadel.socket", 0, $errno, $errstr, 30);
+//$ctdlsock = fsockopen("/appl/citadel/citadel.socket", 0, $errno, $errstr, 30);
if (!$ctdlsock) {
socket_close ($sock);
system("/bin/rm -f " . $sockname);
}
do {
+ // Wait for connections, but time out after 15 minutes.
+ // socket_select() is completely b0rken in PHP 4.1, which is why
+ // this program requires PHP 4.3 or newer.
+ //
+ if (socket_select($readsock = array($sock),
+ $writesock = NULL,
+ $exceptsock = NULL,
+ 900, 0
+ ) == 0) {
+ // Timing out.
+ socket_close ($sock);
+ system("/bin/rm -f " . $sockname);
+ exit(8);
+ }
+
+ // Ok, there's a valid connection coming in. Accept it.
$msgsock = socket_accept($sock);
if ($msgsock >= 0) do {
$buf = sock_gets($msgsock);
fclose($ctdlsock);
socket_close($sock);
system("/bin/rm -f " . $sockname);
- exit(8);
+ exit(9);
}
$talkback = fgets($ctdlsock, 4096);
if (!$talkback) {
fclose($ctdlsock);
socket_close($sock);
system("/bin/rm -f " . $sockname);
- exit(9);
+ exit(10);
}
socket_write($msgsock, $talkback, strlen($talkback));