5 // Implements various Citadel server commands.
7 // Copyright (c) 2003 by Art Cancro <ajc@uncensored.citadel.org>
8 // This program is released under the terms of the GNU General Public License.
13 // serv_gets() -- generic function to read one line of text from the server
15 function serv_gets() {
18 $buf = fgets($clientsocket, 4096); // Read line
19 $buf = substr($buf, 0, (strlen($buf)-1) ); // strip trailing LF
25 // serv_puts() -- generic function to write one line of text to the server
27 function serv_puts($buf) {
30 fwrite($clientsocket, $buf . "\n", (strlen($buf)+1) );
34 // login_existing_user() -- attempt to login using a supplied username/password
35 // Returns an array with two variables:
36 // 0. TRUE or FALSE to determine success or failure
37 // 1. String error message (if relevant)
39 function login_existing_user($user, $pass) {
42 serv_puts("USER " . $user);
44 if (substr($resp, 0, 1) != "3") {
45 return array(FALSE, substr($resp, 4));
48 serv_puts("PASS " . $pass);
50 if (substr($resp, 0, 1) != "2") {
51 return array(FALSE, substr($resp, 4));
54 $_SESSION["username"] = $user;
55 $_SESSION["password"] = $pass;
57 return array(TRUE, "Login successful. Have fun.");
62 // create_new_user() -- attempt to create a new user
63 // using a supplied username/password
64 // Returns an array with two variables:
65 // 0. TRUE or FALSE to determine success or failure
66 // 1. String error message (if relevant)
68 function create_new_user($user, $pass) {
71 serv_puts("NEWU " . $user);
73 if (substr($resp, 0, 1) != "2") {
74 return array(FALSE, substr($resp, 4));
77 serv_puts("SETP " . $pass);
79 if (substr($resp, 0, 1) != "2") {
80 return array(FALSE, substr($resp, 4));
83 $_SESSION["username"] = $user;
84 $_SESSION["password"] = $pass;
86 return array(TRUE, "Login successful. Have fun.");
92 // Learn all sorts of interesting things about the Citadel server to
93 // which we are connected.
95 function ctdl_get_serv_info() {
98 if (substr($buf, 0, 1) == "1") {
102 if ($i == 2) $_SESSION["serv_humannode"] = $buf;
103 if ($i == 4) $_SESSION["serv_software"] = $buf;
105 } while (strcasecmp($buf, "000"));
112 function test_for_echo() {
114 global $clientsocket, $session;
116 $command = "ECHO Video vertigo ... test for echo.";
119 $response = serv_gets();
120 echo $response, "<BR>";
124 function ctdl_mesg($msgname) {
125 global $clientsocket;
127 serv_puts("MESG " . $msgname);
128 $response = serv_gets();
130 if (substr($response, 0, 1) == "1") {
131 echo "<DIV ALIGN=CENTER>\n";
134 if (strcasecmp($buf, "000")) {
135 echo "<TT>", $buf, "</TT><BR>\n" ;
137 } while (strcasecmp($buf, "000"));
141 echo "<B><I>", substr($response, 4), "</I></B><BR>\n";