--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/yubikey/usercp.php Fri Jun 30 17:49:12 2017 -0400
@@ -0,0 +1,385 @@
+<?php
+
+if ( getConfig('yubikey_enable', '1') != '1' )
+ return true;
+
+$plugins->attachHook("userprefs_jbox", "yubikey_ucp_setup();");
+$plugins->attachHook("userprefs_body", "return yubikey_user_cp(\$section);");
+$plugins->attachHook("login_form_html", "yubikey_inject_html_login();");
+$plugins->attachHook("ucp_register_form", "yubikey_inject_registration_form();");
+$plugins->attachHook("ucp_register_validate", "yubikey_register_validate(\$error);");
+$plugins->attachHook("user_registered", "yubikey_register_insert_key(\$user_id);");
+
+function yubikey_ucp_setup()
+{
+ userprefs_menu_add('usercp_sec_profile', 'yubiucp_panel_title', makeUrlNS('Special', 'Preferences/Yubikey') . '" onclick="ajaxLoginNavTo(\'Special\', \'Preferences/Yubikey\', '.USER_LEVEL_CHPREF.'); return false;');
+}
+
+function yubikey_user_cp($section)
+{
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ global $lang;
+
+ if ( $section !== 'Yubikey' )
+ return false;
+
+ if ( $session->auth_level < USER_LEVEL_CHPREF )
+ {
+ redirect(makeUrlNS('Special', 'Login/' . $paths->fullpage, 'level=' . USER_LEVEL_CHPREF, true), 'Authentication required', 'You need to re-authenticate to access this page.', 0);
+ }
+
+ $count_enabled = intval(getConfig('yubikey_enroll_limit', '3'));
+
+ if ( isset($_POST['submit']) )
+ {
+ csrf_request_confirm();
+
+ $keys = array();
+ if ( isset($_POST['yubikey_enable']) )
+ {
+ for ( $i = 0; $i < $count_enabled; $i++ )
+ {
+ if ( !empty($_POST["yubikey_otp_$i"]) )
+ {
+ $ckey =& $_POST["yubikey_otp_$i"];
+ if ( preg_match('/^[cbdefghijklnrtuv]{12,44}$/', $ckey) )
+ {
+ $ckey = substr($ckey, 0, 12);
+ $keys[] = $ckey;
+ }
+ unset($ckey);
+ }
+ }
+ }
+ // Check for double enrollment
+ $keys_check = "yubi_uid = '" . implode("' OR yubi_uid = '", $keys) . "'";
+ $q = $db->sql_query('SELECT yubi_uid FROM ' . table_prefix . "yubikey WHERE ( $keys_check ) AND user_id != {$session->user_id};");
+ if ( !$q )
+ $db->_die();
+
+ if ( $db->numrows() > 0 )
+ {
+ echo '<div class="error-box" style="margin: 0 0 10px 0;">' . $lang->get('yubiucp_err_double_enrollment') . '</div>';
+ while ( $row = $db->fetchrow() )
+ {
+ foreach ( $keys as $i => $key )
+ {
+ if ( $key == $row['yubi_uid'] )
+ {
+ unset($keys[$i]);
+ }
+ }
+ }
+ $keys = array_values($keys);
+ }
+ $db->free_result();
+
+ // Remove all currently registered keys
+ $q = $db->sql_query('DELETE FROM ' . table_prefix . "yubikey WHERE user_id = {$session->user_id};");
+ if ( !$q )
+ $db->_die();
+
+ // Enroll any new keys
+ if ( !empty($keys) )
+ {
+ $query = 'INSERT INTO ' . table_prefix . "yubikey(user_id, yubi_uid) VALUES\n " .
+ "( $session->user_id, '" . implode("' ),\n ( $session->user_id, '", $keys) . "' );";
+ if ( !$db->sql_query($query) )
+ $db->_die();
+ }
+
+ // Calculate flags
+ $yubi_flags = 0;
+ $yubi_flags |= intval($_POST['login_normal_flags']);
+ $yubi_flags |= intval($_POST['login_elev_flags']);
+ $yubi_flags |= ( isset($_POST['allow_no_yubikey']) ) ? YK_SEC_ALLOW_NO_OTP : 0;
+
+ // update flags
+ $q = $db->sql_query('UPDATE ' . table_prefix . "users SET user_yubikey_flags = $yubi_flags WHERE user_id = {$session->user_id};");
+ if ( !$q )
+ $db->_die();
+
+ // regenerate session
+ $q = $db->sql_query('SELECT password FROM ' . table_prefix . "users WHERE user_id = {$session->user_id};");
+ if ( !$q )
+ $db->_die();
+ list($password_hmac) = $db->fetchrow_num();
+
+ @$session->register_session($session->user_id, $session->username, $password_hmac, USER_LEVEL_MEMBER, false);
+ $session->logout(USER_LEVEL_CHPREF);
+
+ // redirect back to normal CP
+ // if OB-ing isn't enabled, require a JS redirect (hey, not many other options...)
+ if ( @ob_get_contents() )
+ {
+ @ob_end_clean();
+ redirect(makeUrlNS('Special', 'Preferences'), $lang->get('yubiucp_msg_save_title'), $lang->get('yubiucp_msg_save_body'), 3);
+ }
+ else
+ {
+ echo '<h3>' . $lang->get('yubiucp_msg_save_title') . '</h3>';
+ echo '<p>' . $lang->get('yubiucp_msg_save_body') . '</p>';
+ // not much choice here, i'm resorting to javascript because the user CP always
+ // sends headers :-/
+ echo '<script type="text/javascript">
+ addOnloadHook(function()
+ {' .
+ // note: $_COOKIE['sid'] has just been assigned by $session->register_session() - so it's safe to use here.
+ '
+ createCookie(\'sid\', \'' . $_COOKIE['sid'] . '\');
+ window.location = makeUrlNS(\'Special\', \'Preferences\');
+ });
+ </script>';
+ return true;
+ }
+ }
+ else
+ {
+ // Fetch flags
+ $q = $db->sql_query('SELECT user_yubikey_flags FROM ' . table_prefix . "users WHERE user_id = {$session->user_id};");
+ if ( !$q )
+ $db->_die();
+
+ list($yubi_flags) = $db->fetchrow_num();
+ $yubi_flags = intval($yubi_flags);
+ // Fetch user's authorized keys from the DB
+ $q = $db->sql_query('SELECT yubi_uid FROM ' . table_prefix . "yubikey WHERE user_id = {$session->user_id};");
+ if ( !$q )
+ $db->_die();
+
+ $keys = array();
+ while ( $row = $db->fetchrow() )
+ {
+ $keys[] = $row['yubi_uid'];
+ }
+ $db->free_result();
+ }
+
+ while ( count($keys) < $count_enabled )
+ {
+ $keys[] = false;
+ }
+
+ $enable_checked = ( $keys[0] === false && !isset($_POST['yubikey_enable']) ) ? '' : 'checked="checked"';
+ $displaytable = ( $keys[0] === false && !isset($_POST['yubikey_enable']) ) ? 'none' : 'block';
+
+ $check_normal_keyonly = ( !($yubi_flags & YK_SEC_NORMAL_USERNAME) && !($yubi_flags & YK_SEC_NORMAL_PASSWORD) ) ? 'checked="checked" ' : '';
+ $check_normal_username = ( ($yubi_flags & YK_SEC_NORMAL_USERNAME) && !($yubi_flags & YK_SEC_NORMAL_PASSWORD) ) ? 'checked="checked" ' : '';
+ $check_normal_userandpw = ( ($yubi_flags & YK_SEC_NORMAL_USERNAME) && ($yubi_flags & YK_SEC_NORMAL_PASSWORD) ) ? 'checked="checked" ' : '';
+
+ $check_elev_keyonly = ( !($yubi_flags & YK_SEC_ELEV_USERNAME) && !($yubi_flags & YK_SEC_ELEV_PASSWORD) ) ? 'checked="checked" ' : '';
+ $check_elev_username = ( ($yubi_flags & YK_SEC_ELEV_USERNAME) && !($yubi_flags & YK_SEC_ELEV_PASSWORD) ) ? 'checked="checked" ' : '';
+ $check_elev_userandpw = ( ($yubi_flags & YK_SEC_ELEV_USERNAME) && ($yubi_flags & YK_SEC_ELEV_PASSWORD) ) ? 'checked="checked" ' : '';
+
+ ?>
+ <h3 style="margin-top: 0;"><?php echo $lang->get('yubiucp_panel_title'); ?></h3>
+
+ <form action="<?php echo makeUrlNS('Special', 'Preferences/Yubikey'); ?>" method="post">
+
+ <div>
+ <table border="0" cellpadding="4" width="100%">
+ <tr>
+ <td style="width: 50%; text-align: right;">
+ <?php echo $lang->get('yubiucp_field_enable_title'); ?><br />
+ <small><?php echo $lang->get('yubiucp_field_enable_hint'); ?></small>
+ </td>
+ <td style="width: 50%;">
+ <label>
+ <input type="checkbox" name="yubikey_enable" onclick="if ( $(this).attr('checked') ) $('#yk_useroptions').show('blind'); else $('#yk_useroptions').hide('blind');" <?php echo $enable_checked; ?> />
+ <?php echo $lang->get('yubiucp_field_enable'); ?>
+ </label>
+ </td>
+ </tr>
+ </table>
+ <table border="0" cellpadding="4" width="100%" id="yk_useroptions" style="display: <?php echo $displaytable ?>;">
+ <tr class="yk_alt1">
+ <td style="width: 50%; text-align: right;">
+ <?php echo $lang->get('yubiucp_field_keys_title'); ?><br />
+ <small><?php
+ echo $lang->get('yubiucp_field_keys_hint');
+ if ( $count_enabled > 1 )
+ {
+ echo ' ';
+ echo $lang->get('yubiucp_field_keys_maximum', array('max' => $count_enabled));
+ }
+ ?></small>
+ </td>
+ <td style="width: 50%;">
+ <?php
+ for ( $i = 0; $i < $count_enabled; $i++ )
+ {
+ echo '<p>' . generate_yubikey_field('yubikey_otp_' . $i, $keys[$i]) . '</p>';
+ }
+ ?>
+ </td>
+ </tr>
+ <tr>
+ <td style="width: 50%; text-align: right;">
+ <?php echo $lang->get('yubiucp_field_normal_flags'); ?>
+ </td>
+ <td>
+ <label>
+ <input type="radio" name="login_normal_flags" value="0" <?php echo $check_normal_keyonly; ?>/>
+ <?php echo $lang->get('yubiucp_field_flags_keyonly'); ?>
+ </label>
+
+ <br />
+
+ <label>
+ <input type="radio" name="login_normal_flags" value="<?php echo strval(YK_SEC_NORMAL_USERNAME); ?>" <?php echo $check_normal_username; ?>/>
+ <?php echo $lang->get('yubiucp_field_flags_username'); ?>
+ </label>
+
+ <br />
+
+ <label>
+ <input type="radio" name="login_normal_flags" value="<?php echo strval(YK_SEC_NORMAL_USERNAME | YK_SEC_NORMAL_PASSWORD); ?>" <?php echo $check_normal_userandpw; ?>/>
+ <?php echo $lang->get('yubiucp_field_flags_userandpw'); ?>
+ </label>
+ </td>
+ </tr>
+ <tr class="yk_alt1">
+ <td style="width: 50%; text-align: right;">
+ <?php echo $lang->get('yubiucp_field_elev_flags'); ?>
+ </td>
+ <td>
+ <label>
+ <input type="radio" name="login_elev_flags" value="0" <?php echo $check_elev_keyonly; ?>/>
+ <?php echo $lang->get('yubiucp_field_flags_keyonly'); ?>
+ </label>
+
+ <br />
+
+ <label>
+ <input type="radio" name="login_elev_flags" value="<?php echo strval(YK_SEC_ELEV_USERNAME); ?>" <?php echo $check_elev_username; ?>/>
+ <?php echo $lang->get('yubiucp_field_flags_username'); ?>
+ </label>
+
+ <br />
+
+ <label>
+ <input type="radio" name="login_elev_flags" value="<?php echo strval(YK_SEC_ELEV_USERNAME | YK_SEC_ELEV_PASSWORD); ?>" <?php echo $check_elev_userandpw; ?>/>
+ <?php echo $lang->get('yubiucp_field_flags_userandpw'); ?>
+ </label>
+ </td>
+ </tr>
+ <tr>
+ <td>
+ </td>
+ <td>
+ <label>
+ <input type="checkbox" name="allow_no_yubikey" <?php if ( $yubi_flags & YK_SEC_ALLOW_NO_OTP ) echo 'checked="checked" '; ?>/>
+ <?php echo $lang->get('yubiucp_field_allow_plain_login'); ?>
+ </label>
+ <br />
+ <small>
+ <?php echo $lang->get('yubiucp_field_allow_plain_login_hint'); ?>
+ </small>
+ </td>
+ </tr>
+ </table>
+ <table border="0" cellpadding="4" width="100%">
+ <tr class="yk_alt1">
+ <td colspan="2" style="text-align: center;">
+ <input type="submit" name="submit" value="<?php echo $lang->get('etc_save_changes'); ?>" />
+ </td>
+ </tr>
+ </table>
+ </div>
+
+ <input type="hidden" name="cstok" value="<?php echo $session->csrf_token; ?>" />
+
+ </form>
+ <?php
+
+ return true;
+}
+
+function yubikey_inject_html_login()
+{
+ global $lang;
+ ?>
+ <tr>
+ <td class="row2">
+ <?php echo $lang->get('yubiauth_lbl_otp_field'); ?>
+ </td>
+ <td class="row1" colspan="2">
+ <input type="text" size="40" class="yubikey_noscript" name="yubikey_otp" />
+ </td>
+ </tr>
+ <?php
+}
+
+function yubikey_inject_registration_form()
+{
+ global $lang;
+
+ $preset_otp = isset($_POST['yubikey_otp']) ? $_POST['yubikey_otp'] : false;
+ ?>
+ <tr>
+ <td class="row1">
+ <?php echo $lang->get('yubiucp_reg_field_otp'); ?><br />
+ <small><?php
+ if ( getConfig('yubikey_reg_require_otp', '0') == '1' )
+ echo $lang->get('yubiucp_reg_field_otp_hint_required');
+ else
+ echo $lang->get('yubiucp_reg_field_otp_hint_optional');
+ ?></small>
+ </td>
+ <td class="row1">
+ <?php
+ echo generate_yubikey_field('yubikey_otp', $preset_otp);
+ ?>
+ </td>
+ <td class="row1">
+ </td>
+ </tr>
+ <?php
+}
+
+function yubikey_register_validate(&$error)
+{
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ global $lang;
+
+ $otp_required = getConfig('yubikey_reg_require_otp', '0') == '1';
+ $have_otp = !empty($_POST['yubikey_otp']);
+ if ( $otp_required && !$have_otp )
+ {
+ $error = $lang->get('yubiucp_reg_err_otp_required');
+ return false;
+ }
+ if ( $have_otp )
+ {
+ $result = yubikey_validate_otp($_POST['yubikey_otp']);
+ if ( !$result['success'] )
+ {
+ $error = '<b>' . $lang->get('yubiucp_reg_err_otp_invalid') . '</b><br />' . $lang->get("yubiauth_err_{$result['error']}");
+ return false;
+ }
+ // check for double enrollment
+ $yubi_uid = substr($_POST['yubikey_otp'], 0, 12);
+ // Note on SQL injection: yubikey_validate_otp() has already ensured that this is safe
+ $q = $db->sql_query('SELECT 1 FROM ' . table_prefix . "yubikey WHERE yubi_uid = '$yubi_uid';");
+ if ( !$q )
+ $db->_die();
+ if ( $db->numrows() > 0 )
+ {
+ $error = '<b>' . $lang->get('yubiucp_reg_err_otp_invalid') . '</b><br />' . $lang->get('yubiucp_err_double_enrollment_single');
+ return false;
+ }
+ $db->free_result();
+ }
+}
+
+function yubikey_register_insert_key($user_id)
+{
+ global $db, $session, $paths, $template, $plugins; // Common objects
+ if ( !empty($_POST['yubikey_otp']) )
+ {
+ $yubi_uid = $db->escape(substr($_POST['yubikey_otp'], 0, 12));
+ $q = $db->sql_query('INSERT INTO ' . table_prefix . "yubikey ( user_id, yubi_uid ) VALUES ( $user_id, '$yubi_uid' );");
+ if ( !$q )
+ $db->_die();
+ }
+}