* Added a proper CVS ID and Copyright disclaimer to every file. Other

[citadel.git] / ctdlphp / ctdlprotocol.php

diff --git a/ctdlphp/ctdlprotocol.php b/ctdlphp/ctdlprotocol.php
index 50a3e012a2ad9306bdb0220393832dd350e52229..228404872249d430c08e32e1a106b51ae328ab86 100644 (file)
--- a/ctdlphp/ctdlprotocol.php
+++ b/ctdlphp/ctdlprotocol.php
@@ -1,21 +1,145 @@
 <?PHP
 
+// $Id$
+// 
+// Implements various Citadel server commands.
+//
+// Copyright (c) 2003 by Art Cancro <ajc@uncensored.citadel.org>
+// This program is released under the terms of the GNU General Public License.
+//
+
+
+//
+// serv_gets() -- generic function to read one line of text from the server
+//
+function serv_gets() {
+       global $clientsocket;
+
+       $buf = fgets($clientsocket, 4096);              // Read line
+       $buf = substr($buf, 0, (strlen($buf)-1) );      // strip trailing LF
+       return $buf;
+}
+
+
+//
+// serv_puts() -- generic function to write one line of text to the server
+//
+function serv_puts($buf) {
+       global $clientsocket;
+       
+       fwrite($clientsocket, $buf . "\n", (strlen($buf)+1) );
+}
+
+//
+// login_existing_user() -- attempt to login using a supplied username/password
+// Returns an array with two variables:
+// 0. TRUE or FALSE to determine success or failure
+// 1. String error message (if relevant)
+//
+function login_existing_user($user, $pass) {
+       global $clientsocket;
+
+       serv_puts("USER " . $user);
+       $resp = serv_gets();
+       if (substr($resp, 0, 1) != "3") {
+               return array(FALSE, substr($resp, 4));
+       }
+
+       serv_puts("PASS " . $pass);
+       $resp = serv_gets();
+       if (substr($resp, 0, 1) != "2") {
+               return array(FALSE, substr($resp, 4));
+       }
+
+       $_SESSION["username"] = $user;
+       $_SESSION["password"] = $pass;
+
+       return array(TRUE, "Login successful.  Have fun.");
+}
+
+
+//
+// create_new_user() -- attempt to create a new user 
+//                      using a supplied username/password
+// Returns an array with two variables:
+// 0. TRUE or FALSE to determine success or failure
+// 1. String error message (if relevant)
+//
+function create_new_user($user, $pass) {
+       global $clientsocket;
+
+       serv_puts("NEWU " . $user);
+       $resp = serv_gets();
+       if (substr($resp, 0, 1) != "2") {
+               return array(FALSE, substr($resp, 4));
+       }
+
+       serv_puts("SETP " . $pass);
+       $resp = serv_gets();
+       if (substr($resp, 0, 1) != "2") {
+               return array(FALSE, substr($resp, 4));
+       }
+
+       $_SESSION["username"] = $user;
+       $_SESSION["password"] = $pass;
+
+       return array(TRUE, "Login successful.  Have fun.");
+}
+
+
+
+//
+// Learn all sorts of interesting things about the Citadel server to
+// which we are connected.
+//
+function ctdl_get_serv_info() {
+       serv_puts("INFO");
+       $buf = serv_gets();
+       if (substr($buf, 0, 1) == "1") {
+               $i = 0;
+               do {
+                       $buf = serv_gets();
+                       if ($i == 2) $_SESSION["serv_humannode"] = $buf;
+                       if ($i == 4) $_SESSION["serv_software"] = $buf;
+                       $i = $i + 1;
+               } while (strcasecmp($buf, "000"));
+       }
+
+}
+
+
+
 function test_for_echo() {
 
        global $clientsocket, $session;
 
-       $command = "ECHO Video vertigo ... test for echo.\n";
+       $command = "ECHO Video vertigo ... test for echo.";
 
-       echo "Trying echo ... session name is ", $session, "<BR>\n";
-       flush();
-       echo "Writing...<BR>\n";
-       flush();
-       fwrite($clientsocket, $command, strlen($command));
-       echo "Reading...<BR>\n";
-       flush();
-       $response = fgets($clientsocket, 4096);
+       serv_puts($command);
+       $response = serv_gets();
        echo $response, "<BR>";
        flush();
 }
 
+function ctdl_mesg($msgname) {
+       global $clientsocket;
+
+       serv_puts("MESG " . $msgname);
+       $response = serv_gets();
+       
+       if (substr($response, 0, 1) == "1") {
+               echo "<DIV ALIGN=CENTER>\n";
+               do {
+                       $buf = serv_gets();
+                       if (strcasecmp($buf, "000")) {
+                               echo "<TT>", $buf, "</TT><BR>\n" ;
+                       }
+               } while (strcasecmp($buf, "000"));
+               echo "</DIV>\n";
+       }
+       else {
+               echo "<B><I>", substr($response, 4), "</I></B><BR>\n";
+       }
+}
+
 ?>