<?php
+
+/**
+ * login.php -- simple login screen
+ *
+ * This a simple login screen. Some housekeeping is done to clean
+ * cookies and find language.
+ *
+ * @copyright © 1999-2006 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
+ */
+
+// reduces the files included in init.php
+$sInitLocation = 'login';
+
+/**
+ * Include the SquirrelMail initialization file.
+ */
+require('../include/init.php');
+
+
+/* SquirrelMail required files. */
+require_once(SM_PATH . 'functions/imap_general.php');
+require_once(SM_PATH . 'functions/forms.php');
+
+/**
+ * $squirrelmail_language is set by a cookie when the user selects
+ * language and logs out
+ */
+set_up_language($squirrelmail_language, TRUE, TRUE);
+
+/**
+ * In case the last session was not terminated properly, make sure
+ * we get a new one, but make sure we preserve session_expired_*
+ */
+/**
+ * PHP bug. http://bugs.php.net/11643 (warning, spammed bug tracker) and
+ * http://bugs.php.net/13834
+ * SID constant is not destroyed in PHP 4.1.2, 4.2.3 and maybe other
+ * versions. Produces warning on login page. Bug should be fixed only in 4.3.0
+ */
+if ( !empty($_SESSION['session_expired_post']) && !empty($_SESSION['session_expired_location']) ) {
+ $sep = $_SESSION['session_expired_post'];
+ $sel = $_SESSION['session_expired_location'];
+
+ sqsession_destroy();
+
+ sqsession_is_active();
+ $_SESSION=array();
+ sqsession_register($sep, 'session_expired_post');
+ sqsession_register($sel, 'session_expired_location');
+} else {
+ sqsession_destroy();
+ @sqsession_is_active();
+ $_SESSION=array();
+}
+
+/**
+ * This detects if the IMAP server has logins disabled, and if so,
+ * squelches the display of the login form and puts up a message
+ * explaining the situation.
+ */
+if($imap_auth_mech == 'login') {
/**
- * login.php -- simple login screen
- *
- * Copyright (c) 1999-2001 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.
- *
- * $Id$
+ * detect disabled login, only when imapServerAddress contains
+ * server address and not mapping. See sqimap_get_user_server()
*/
-
- $rcptaddress = '';
- if (isset($emailaddress)) {
- if (stristr($emailaddress, 'mailto:')) {
- $rcptaddress = substr($emailaddress, 7);
- } else {
- $rcptaddress = $emailaddress;
- }
-
- if (($pos = strpos($rcptaddress, '?')) !== false) {
- $a = substr($rcptaddress, $pos + 1);
- $rcptaddress = substr($rcptaddress, 0, $pos);
- $a = explode('=', $a, 2);
- if (isset($a[1])) {
- $name = urldecode($a[0]);
- $val = urldecode($a[1]);
- global $$name;
- $$naame = $val;
+ if (substr($imapServerAddress, 0, 4) != "map:") {
+ $imap = sqimap_create_stream($imapServerAddress, $imapPort, $use_imap_tls);
+ $logindisabled = sqimap_capability($imap,'LOGINDISABLED');
+ sqimap_logout($imap);
+ if ($logindisabled) {
+ $string = _("The IMAP server is reporting that plain text logins are disabled.").'<br />'.
+ _("Using CRAM-MD5 or DIGEST-MD5 authentication instead may work.").'<br />';
+ if (!$use_imap_tls) {
+ $string .= _("Also, the use of TLS may allow SquirrelMail to login.").'<br />';
}
+ $string .= _("Please contact your system administrator and report this error.");
+ error_box($string);
+ // display footer (closes html tags) and stop script execution
+ $oTemplate->display('footer.tpl');
+ exit;
}
+ }
+}
+
+do_hook('login_cookie');
+
+$loginname_value = (sqGetGlobalVar('loginname', $loginname) ? htmlspecialchars($loginname) : '');
+
+/* Output the javascript onload function. */
+$header = "<script type=\"text/javascript\">\n" .
+ "<!--\n".
+ " function squirrelmail_loginpage_onload() {\n".
+ " var textElements = 0;\n".
+ " for (i = 0; i < document.forms[0].elements.length; i++) {\n".
+ " if (document.forms[0].elements[i].type == \"text\" || document.forms[0].elements[i].type == \"password\") {\n".
+ " textElements++;\n".
+ " if (textElements == " . (isset($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']);
+
+if (! isset($color) || ! is_array($color)) {
+ // Add default color theme, if theme loading fails
+ $color = array();
+ $color[0] = '#dcdcdc'; /* light gray TitleBar */
+ $color[1] = '#800000'; /* red */
+ $color[2] = '#cc0000'; /* light red Warning/Error Messages */
+ $color[4] = '#ffffff'; /* white Normal Background */
+ $color[7] = '#0000cc'; /* blue Links */
+ $color[8] = '#000000'; /* black Normal text */
+}
+/**
+ * send out all the cookies
+ */
+sqsetcookieflush();
+
+displayHtmlHeader( "$org_name - " . _("Login"), $header, FALSE );
+
+
+/* If they don't have a logo, don't bother.. */
+$logo_str = '';
+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\" ";
+ }
+
+ $logo_str = '<img src="'.$org_logo.'" ' .
+ 'alt="'. sprintf(_("%s Logo"), $org_name).'" ' .
+ $width_and_height .
+ 'class="sqm_loginImage" /><br />'."\n";
+}
+
+$sm_attribute_str = '';
+if (isset($hide_sm_attributions) && !$hide_sm_attributions) {
+ $sm_attribute_str = _("SquirrelMail Webmail Application")."<br />\n" .
+ _("By the SquirrelMail Project Team")."<br />\n";
+}
+
+$username_form_name = 'login_username';
+$password_form_name = 'secretkey';
+
+if(sqgetGlobalVar('mailto', $mailto)) {
+ $rcptaddress = addHidden('mailto', $mailto);
+} else {
+ $rcptaddress = '';
+}
- /* At this point, we have parsed a lot of the mailto stuff. */
- /* Let's do the rest -- CC, BCC, Subject, Body */
- /* Note: They can all be case insensitive */
- foreach ($GLOBALS as $k => $v) {
- $key = strtolower($k);
- $value = urlencode($v);
- if ($key == 'cc') {
- $rcptaddress .= '&send_to_cc=' . $value;
- } else if ($key == 'bcc') {
- $rcptaddress .= '&send_to_bcc=' . $value;
- } else if ($key == 'subject') {
- $rcptaddress .= '&subject=' . $value;
- } else if ($key == 'body') {
- $rcptaddress .= '&body=' . $value;
- }
- }
+$password_field = addPwField($password_form_name).
+ addHidden('js_autodetect_results', SMPREF_JS_OFF).
+ $rcptaddress .
+ addHidden('just_logged_in', '1');
- /* Double-encode in this fashion to get past redirect.php properly. */
- $rcptaddress = urlencode($rcptaddress);
- }
+session_write_close();
- require_once('../functions/strings.php');
- require_once('../config/config.php');
- require_once('../functions/i18n.php');
- require_once('../functions/plugin.php');
- require_once('../functions/constants.php');
- require_once('../functions/page_header.php');
+$oTemplate->assign('logo_str', $logo_str);
+$oTemplate->assign('sm_attribute_str', $sm_attribute_str);
+$oTemplate->assign('org_name_str', sprintf (_("%s Login"), $org_name));
+$oTemplate->assign('login_field', addInput($username_form_name, $loginname_value));
+$oTemplate->assign('password_field', $password_field);
+$oTemplate->assign('submit_field', addSubmit(_("Login")));
- /*
- * $squirrelmail_language is set by a cookie when the user selects
- * language and logs out
- */
- set_up_language($squirrelmail_language, true);
+$oTemplate->display('login.tpl');
- /* Need the base URI to set the cookies. (Same code as in webmail.php). */
- ereg ("(^.*/)[^/]+/[^/]+$", $PHP_SELF, $regs);
- $base_uri = $regs[1];
- @session_destroy();
+// Turn off delayed error handling to make sure all errors are dumped.
+#$oErrorHandler->delayedErrors(false);
- /*
- * 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['path'].$cookie_params['domain']);
- setcookie('username', '', 0, $base_uri);
- setcookie('key', '', 0, $base_uri);
- header ('Pragma: no-cache');
-
- do_hook('login_cookie');
-
- /* Output the javascript onload function. */
- displayHtmlHeader( "$org_name - " . _("Login"),
- "<SCRIPT LANGUAGE=\"JavaScript\">\n" .
- "<!--\n".
- " function squirrelmail_loginpage_onload() {\n".
- " document.forms[0].js_autodetect_results.value = '" . SMPREF_JS_ON . "';\n".
- " document.forms[0].elements[0].focus();\n".
- " }\n".
- "// -->\n".
- "</script>\n", FALSE );
-
- /* Set the title of this page. */
- echo "<BODY TEXT=#000000 BGCOLOR=#FFFFFF LINK=#0000CC VLINK=#0000CC ALINK=#0000CC onLoad='squirrelmail_loginpage_onload();'>\n".
- "<FORM ACTION=\"redirect.php\" METHOD=\"POST\" NAME=f>\n";
-
- $username_form_name = 'login_username';
- $password_form_name = 'secretkey';
- do_hook('login_top');
-
- $loginname_value = (isset($loginname) ? htmlspecialchars($loginname) : '');
-
- echo "<CENTER>".
- " <IMG SRC=\"$org_logo\"><BR>\n".
- ( $hide_sm_attributions ? '' :
- '<SMALL>' . sprintf (_("SquirrelMail version %s"), $version) . "<BR>\n".
- ' ' . _("By the SquirrelMail Development Team") . "<BR></SMALL>\n" ) .
- "</CENTER>\n".
-
- "<CENTER>\n".
- "<TABLE COLS=1 WIDTH=350>\n".
- " <TR><TD BGCOLOR=#DCDCDC>\n".
- ' <B><CENTER>' . sprintf (_("%s Login"), $org_name) . "</CENTER></B>\n".
- " </TD></TR>".
- " <TR><TD BGCOLOR=\"#FFFFFF\"><TABLE COLS=2 WIDTH=\"100%\">\n".
- " <TR>\n".
- ' <TD WIDTH=30% ALIGN=right>' . _("Name:") . "</TD>\n".
- " <TD WIDTH=* ALIGN=left>\n".
- " <INPUT TYPE=TEXT NAME=\"$username_form_name\" VALUE=\"$loginname_value\">\n".
- " </TD>\n".
- " </TR>\n".
- " <TR>\n".
- ' <TD WIDTH="30%" ALIGN=right>' . _("Password:") . "</TD>\n".
- " <TD WIDTH=* ALIGN=left>\n".
- " <INPUT TYPE=PASSWORD NAME=\"$password_form_name\">\n".
- " <INPUT TYPE=HIDDEN NAME=\"js_autodetect_results\" VALUE=\"" . SMPREF_JS_OFF . "\">\n".
- " <INPUT TYPE=HIDDEN NAME=\"just_logged_in\" value=1>\n";
- if ($rcptaddress != '') {
- echo " <INPUT TYPE=HIDDEN NAME=\"rcptemail\" VALUE=\"".htmlspecialchars($rcptaddress)."\">\n";
- }
- echo " </TD>\n".
- " </TR>\n".
- " </TABLE></TD></TR>\n".
- " <TR><TD>\n".
- ' <CENTER><INPUT TYPE=SUBMIT VALUE="' . _("Login") . "\"></CENTER>\n".
- " </TD></TR>\n".
- "</TABLE>\n".
- "</CENTER>\n";
-
- do_hook('login_form');
- echo "</FORM>\n";
-
- do_hook('login_bottom');
- echo "</BODY>\n".
- "</HTML>\n";
+#trigger_error('login');
+$oTemplate->display('footer.tpl');
?>