<?php
- /**
- ** login.php -- simple login screen
- **
- ** Copyright (c) 1999-2000 The SquirrelMail development team
- ** Licensed under the GNU GPL. For full terms see the file COPYING.
- **
- ** This a simple login screen. Some housekeeping is done to clean
- ** cookies and find language.
- **
- **/
-
- if (!isset($config_php))
- include("../config/config.php");
- if (!isset($strings_php))
- include("../functions/strings.php");
- if (!isset($i18n_php))
- include("../functions/i18n.php");
- if (!isset($plugin_php))
- include("../functions/plugin.php");
-
- // $squirrelmail_language is set by a cookie when the user selects
- // language and logs out
- set_up_language($squirrelmail_language, true);
-
- // Need the base URI to set the cookies. (Same code as in webmail.php)
- ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
- $base_uri = $regs[1];
-
- setcookie("username", "", 0, $base_uri);
- setcookie("key", "", 0, $base_uri);
- setcookie("logged_in", 0, 0, $base_uri);
-
- // In case the last session was not terminated properly, make sure
- // we get a new one.
- $cookie_params = session_get_cookie_params();
- setcookie(session_name(),"",0,$cookie_params["domain"].$cookie_params["path"]);
-
- echo "<HTML>";
- echo "<HEAD><TITLE>";
- echo $org_name . " - " . _("Login");
- echo "</TITLE></HEAD>\n";
- echo "<BODY TEXT=000000 BGCOLOR=#FFFFFF LINK=0000CC VLINK=0000CC ALINK=0000CC>\n";
- echo "<FORM ACTION=\"redirect.php\" METHOD=\"POST\" NAME=f>\n";
-
- $username_form_name = 'username';
- $password_form_name = 'secretkey';
- do_hook('login_top');
-
- echo "<CENTER><IMG SRC=\"$org_logo\"</CENTER>\n";
- echo "<CENTER><SMALL>";
- printf (_("SquirrelMail version %s"), $version);
- echo "<BR>\n";
- echo _("By the SquirrelMail Development Team");
- echo "<BR></SMALL><CENTER>\n";
- echo "<TABLE COLS=1 WIDTH=350>\n";
- echo " <TR>\n";
- echo " <TD BGCOLOR=#DCDCDC>\n";
- echo " <B><CENTER>";
- printf (_("%s Login"), $org_name);
- echo "</CENTER></B>\n";
- echo " </TD>\n";
- echo " </TR><TR>\n";
- echo " <TD BGCOLOR=#FFFFFF>\n";
- echo " <TABLE COLS=2 WIDTH=100%>\n";
- echo " <TR>\n";
- echo " <TD WIDTH=30% ALIGN=right>\n";
- echo _("Name:");
- echo " </TD><TD WIDTH=* ALIGN=left>\n";
- echo " <INPUT TYPE=TEXT NAME=\"$username_form_name\">\n";
- echo " </TD>\n";
- echo " </TR><TR>\n";
- echo " <TD WIDTH=30% ALIGN=right>\n";
- echo _("Password:");
- echo " </TD><TD WIDTH=* ALIGN=left>\n";
- echo " <INPUT TYPE=PASSWORD NAME=\"$password_form_name\">\n";
- echo " </TD>\n";
- echo " </TABLE>\n";
- echo " </TD>\n";
- echo " </TR><TR>\n";
- echo " <TD>\n";
- echo " <CENTER><INPUT TYPE=SUBMIT VALUE=\"";
- echo _("Login");
- echo "\"></CENTER>\n";
- echo " </TD>\n";
- echo " </TR>\n";
- echo "</TABLE>\n";
- echo "<input type=hidden name=just_logged_in value=1>\n";
- echo "</FORM>\n";
- do_hook("login_bottom");
-?>
-</BODY>
-</HTML>
+/**
+ * login.php -- simple login screen
+ *
+ * Copyright (c) 1999-2003 The SquirrelMail Project Team
+ * Licensed under the GNU GPL. For full terms see the file COPYING.
+ *
+ * This a simple login screen. Some housekeeping is done to clean
+ * cookies and find language.
+ *
+ * $Id$
+ * @package squirrelmail
+ */
+
+/** Path for SquirrelMail required files. */
+define('SM_PATH','../');
+
+/* SquirrelMail required files. */
+require_once(SM_PATH . 'functions/strings.php');
+require_once(SM_PATH . 'config/config.php');
+require_once(SM_PATH . 'functions/i18n.php');
+require_once(SM_PATH . 'functions/plugin.php');
+require_once(SM_PATH . 'functions/constants.php');
+require_once(SM_PATH . 'functions/page_header.php');
+require_once(SM_PATH . 'functions/html.php');
+require_once(SM_PATH . 'functions/global.php');
+require_once(SM_PATH . 'functions/imap_general.php');
+
+/**
+ * $squirrelmail_language is set by a cookie when the user selects
+ * language and logs out
+ */
+set_up_language($squirrelmail_language, TRUE, TRUE);
+
+/**
+ * Find out the base URI to set cookies.
+ */
+if (!function_exists('sqm_baseuri')){
+ require_once(SM_PATH . 'functions/display_messages.php');
+}
+$base_uri = sqm_baseuri();
+
+/*
+ * In case the last session was not terminated properly, make sure
+ * we get a new one.
+ */
+
+sqsession_destroy();
+
+header('Pragma: no-cache');
+
+/**
+ * This detects if the IMAP server has logins disabled, and if so,
+ * squelches the display of the login form and puts up a message
+ * explaining the situation.
+ */
+$imap = sqimap_create_stream($imapServerAddress, $imapPort, $use_imap_tls);
+$logindisabled = sqimap_capability($imap,'LOGINDISABLED');
+sqimap_logout($imap);
+if ($logindisabled) {
+ $string = "The IMAP server is reporting that logins are disabled.<br>";
+ if (!$use_imap_tls) {
+ $string .= "The use of TLS may allow SquirrelMail to login.<br>";
+ }
+ $string .= "Please contact your system administrator.";
+ error_box($string,$color);
+ exit;
+}
+
+do_hook('login_cookie');
+
+/* Output the javascript onload function. */
+
+$header = "<script language=\"JavaScript\" type=\"text/javascript\">\n" .
+ "<!--\n".
+ " function squirrelmail_loginpage_onload() {\n".
+ " document.forms[0].js_autodetect_results.value = '" . SMPREF_JS_ON . "';\n".
+ " var textElements = 0;\n".
+ " for (i = 0; i < document.forms[0].elements.length; i++) {\n".
+ " if (document.forms[0].elements[i].type == \"text\" || document.forms[0].elements[i].type == \"password\") {\n".
+ " textElements++;\n".
+ " if (textElements == " . (isset($loginname) ? 2 : 1) . ") {\n".
+ " document.forms[0].elements[i].focus();\n".
+ " break;\n".
+ " }\n".
+ " }\n".
+ " }\n".
+ " }\n".
+ "// -->\n".
+ "</script>\n";
+
+if (@file_exists($theme[$theme_default]['PATH']))
+ @include ($theme[$theme_default]['PATH']);
+
+displayHtmlHeader( "$org_name - " . _("Login"), $header, FALSE );
+
+echo "<body text=\"$color[8]\" bgcolor=\"$color[4]\" link=\"$color[7]\" vlink=\"$color[7]\" alink=\"$color[7]\" onLoad=\"squirrelmail_loginpage_onload()\">" .
+ "\n" . '<form action="redirect.php" method="post">' . "\n";
+
+$username_form_name = 'login_username';
+$password_form_name = 'secretkey';
+do_hook('login_top');
+
+$loginname_value = (sqGetGlobalVar('loginname', $loginname) ? htmlspecialchars($loginname) : '');
+
+/* If they don't have a logo, don't bother.. */
+if (isset($org_logo) && $org_logo) {
+ /* Display width and height like good little people */
+ $width_and_height = '';
+ if (isset($org_logo_width) && is_numeric($org_logo_width) &&
+ $org_logo_width>0) {
+ $width_and_height = " width=\"$org_logo_width\"";
+ }
+ if (isset($org_logo_height) && is_numeric($org_logo_height) &&
+ $org_logo_height>0) {
+ $width_and_height .= " height=\"$org_logo_height\"";
+ }
+}
+
+if(sqgetGlobalVar('mailto', $mailto)) {
+ $rcptaddress = '<input type="hidden" name="mailto" value="' . urlencode($mailto) . '" />' . "\n";
+} else {
+ $rcptaddress = '';
+}
+echo html_tag( 'table',
+ html_tag( 'tr',
+ html_tag( 'td',
+ '<center>'.
+ ( isset($org_logo) && $org_logo
+ ? '<img src="' . $org_logo . '" alt="' .
+ sprintf(_("%s Logo"), $org_name) .'"' . $width_and_height .
+ ' /><br />' . "\n"
+ : '' ).
+ ( (isset($hide_sm_attributions) && $hide_sm_attributions) ? '' :
+ '<small>' . sprintf (_("SquirrelMail version %s"), $version) . '<br />' ."\n".
+ ' ' . _("By the SquirrelMail Development Team") . '<br /></small>' . "\n" ) .
+ html_tag( 'table',
+ html_tag( 'tr',
+ html_tag( 'td',
+ '<b>' . sprintf (_("%s Login"), $org_name) . "</b>\n",
+ 'center', $color[0] )
+ ) .
+ html_tag( 'tr',
+ html_tag( 'td', "\n" .
+ html_tag( 'table',
+ html_tag( 'tr',
+ html_tag( 'td',
+ _("Name:") ,
+ 'right', '', 'width="30%"' ) .
+ html_tag( 'td',
+ '<input type="text" name="' . $username_form_name .'" value="' . $loginname_value .'" />' ,
+ 'left', '', 'width="*"' )
+ ) . "\n" .
+ html_tag( 'tr',
+ html_tag( 'td',
+ _("Password:") ,
+ 'right', '', 'width="30%"' ) .
+ html_tag( 'td',
+ '<input type="password" name="' . $password_form_name . '" />' . "\n" .
+ '<input type="hidden" name="js_autodetect_results" value="SMPREF_JS_OFF" />' . "\n" .
+ $rcptaddress .
+ '<input type="hidden" name="just_logged_in" value="1" />' . "\n",
+ 'left', '', 'width="*"' )
+ ) ,
+ 'center', $color[4], 'border="0" width="100%"' ) ,
+ 'left', $color[4] )
+ ) .
+ html_tag( 'tr',
+ html_tag( 'td',
+ '<center><input type="submit" value="' . _("Login") . '" /></center>',
+ 'left' )
+ ),
+ '', $color[4], 'border="0" width="350"' ) . '</center>',
+ 'center' )
+ ) ,
+'', $color[4], 'border="0" cellspacing="0" cellpadding="0" width="100%"' );
+do_hook('login_form');
+echo '</form>' . "\n";
+
+do_hook('login_bottom');
+echo "</body>\n".
+ "</html>\n";
+?>