--- a/plugins/yubikey/usercp.php	Fri Nov 11 00:33:28 2011 -0500
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,385 +0,0 @@
-<?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();
-	}
-}