X-Git-Url: https://vcs.fsf.org/?p=squirrelmail.git;a=blobdiff_plain;f=src%2Flogin.php;h=7a5d0cbb8e0ef1207704da7e32d706a658c55ece;hp=9ce14cab949cd991e7d8d6ddec46ec132c705ed7;hb=47ccfad452e8d345542d09e59112cac317cffed8;hpb=692155b7fd835420fda759bff62c0f34f6b1d583

diff --git a/src/login.php b/src/login.php
index 9ce14cab..7a5d0cbb 100644
--- a/src/login.php
+++ b/src/login.php
@@ -1,149 +1,206 @@
 <?php
+
+/**
+ * login.php -- simple login screen
+ *
+ * This a simple login screen. Some housekeeping is done to clean
+ * cookies and find language.
+ *
+ * @copyright &copy; 1999-2006 The SquirrelMail Project Team
+ * @license http://opensource.org/licenses/gpl-license.php GNU Public License
+ * @version $Id$
+ * @package squirrelmail
+ */
+
+/**
+ * Path for SquirrelMail required files.
+ * @ignore
+ */
+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');
+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);
+
+/**
+ * Find out the base URI to set cookies.
+ */
+if (!function_exists('sqm_baseuri')){
+    require_once(SM_PATH . 'functions/display_messages.php');
+}
+$base_uri = sqm_baseuri();
+
+/*
+ * In case the last session was not terminated properly, make sure
+ * we get a new one.
+ */
+
+sqsession_destroy();
+sqsession_start();
+header('Pragma: no-cache');
+
+/**
+ * This detects if the IMAP server has logins disabled, and if so,
+ * squelches the display of the login form and puts up a message
+ * explaining the situation.
+ */
+if($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,$color);
+            exit;
         }
-
-        /* At this point, we have parsed a lot of the mailto stuff. */
-        /*   Let's do the rest -- CC, BCC, Subject, Body            */
-        /*   Note:  They can all be case insensitive                */
-        foreach ($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;
-            }
-        }
-
-        /* Double-encode in this fashion to get past redirect.php properly. */
-        $rcptaddress = urlencode($rcptaddress);
     }
+}
+
+do_hook('login_cookie');
+
+$loginname_value = (sqGetGlobalVar('loginname', $loginname) ? htmlspecialchars($loginname) : '');
+
+/* Output the javascript onload function. */
+
+$header = "<script language=\"JavaScript\" type=\"text/javascript\">\n" .
+          "<!--\n".
+          "  function squirrelmail_loginpage_onload() {\n".
+          "    var textElements = 0;\n".
+          "    for (i = 0; i < document.forms[0].elements.length; i++) {\n".
+          "      if (document.forms[0].elements[i].type == \"text\" || document.forms[0].elements[i].type == \"password\") {\n".
+          "        textElements++;\n".
+          "        if (textElements == " . (isset($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                  */
+    $color[8]  = '#000000';  /* black         Normal text            */
+}
+
+displayHtmlHeader( "$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" onSubmit="document.forms[0].js_autodetect_results.value=\'' . SMPREF_JS_ON .'\';">' . "\n";
+
+$username_form_name = 'login_username';
+$password_form_name = 'secretkey';
+do_hook('login_top');
+
+/* 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\"";
+    }
+}
 
-    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');
-
-    /*
-     * $squirrelmail_language is set by a cookie when the user selects
-     * language and logs out
-     */
-    set_up_language($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];
-    @session_destroy();
+if(sqgetGlobalVar('mailto', $mailto)) {
+    $rcptaddress = addHidden('mailto', $mailto);
+} 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>' . _("SquirrelMail Webmail Application") . '<br />' ."\n".
+            '  ' . _("By the SquirrelMail Project Team") . '<br /></small>' . "\n" ) .
+            html_tag( 'table',
+                html_tag( 'tr',
+                    html_tag( 'td',
+                        '<b>' . sprintf (_("%s Login"), $org_name) . "</b>\n",
+                    'center', $color[0] )
+                ) .
+                html_tag( 'tr',
+                    html_tag( 'td',  "\n" .
+                        html_tag( 'table',
+                            html_tag( 'tr',
+                                html_tag( 'td',
+                                    _("Name:") ,
+                                'right', '', 'width="30%"' ) .
+                                html_tag( 'td',
+                                    addInput($username_form_name, $loginname_value),
+                                'left', '', 'width="*"' )
+                                ) . "\n" .
+                            html_tag( 'tr',
+                                html_tag( 'td',
+                                    _("Password:") ,
+                                'right', '', 'width="30%"' ) .
+                                html_tag( 'td',
+                                    addPwField($password_form_name).
+                                    addHidden('js_autodetect_results', SMPREF_JS_OFF).
+                                    $rcptaddress .
+                                    addHidden('just_logged_in', '1'),
+                                    'left', '', 'width="*"' )
+                                ) .
+                                concat_hook_function('login_form') ,
+                            'center', $color[4], 'border="0" width="100%"' ) ,
+                        'left', $color[4] )
+                        ) .
+                        html_tag( 'tr',
+                                html_tag( 'td',
+                                    '<center>'. addSubmit(_("Login")) .'</center>',
+                                    'left' )
+                                ),
+                        '', $color[4], 'border="0" width="350"' ) . '</center>',
+                        'center' )
+                        ) ,
+                        '', $color[4], 'border="0" cellspacing="0" cellpadding="0" width="100%"' );
+echo '</form>' . "\n";
+
+do_hook('login_bottom');
 
-    /*
-     * 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";
 ?>
+</body></html>