array(), 'notice' => array());
} else {
// reset message states
foreach ($_SESSION['messages'] as &$messages) {
foreach ($messages as &$msg) {
$msg['fresh'] = false;
$msg['active'] = false;
}
}
}
}
/**
* Adds a new message to message list
*
* @param string $type one of: notice, error
* @param string $id unique message identifier
* @param string $title language string id (in $str array)
* @param string $message message text
*
* @return void
*/
function PMA_messagesSet($type, $id, $title, $message)
{
$fresh = ! isset($_SESSION['messages'][$type][$id]);
$_SESSION['messages'][$type][$id] = array(
'fresh' => $fresh,
'active' => true,
'title' => $title,
'message' => $message);
}
/**
* Cleans up message list
*
* @return void
*/
function PMA_messagesEnd()
{
foreach ($_SESSION['messages'] as &$messages) {
$remove_ids = array();
foreach ($messages as $id => &$msg) {
if ($msg['active'] == false) {
$remove_ids[] = $id;
}
}
foreach ($remove_ids as $id) {
unset($messages[$id]);
}
}
}
/**
* Prints message list, must be called after PMA_messagesEnd()
*
* @return void
*/
function PMA_messagesShowHtml()
{
$old_ids = array();
foreach ($_SESSION['messages'] as $type => $messages) {
foreach ($messages as $id => $msg) {
echo ''
. '
' . $msg['title'] . '
'
. $msg['message'] . '';
if (!$msg['fresh'] && $type != 'error') {
$old_ids[] = $id;
}
}
}
echo "\n" . '\n";
}
/**
* Checks for newest phpMyAdmin version and sets result as a new notice
*
* @return void
*/
function PMA_versionCheck()
{
// version check messages should always be visible so let's make
// a unique message id each time we run it
$message_id = uniqid('version_check');
// Fetch data
$version_data = PMA_Util::getLatestVersion();
if (empty($version_data)) {
PMA_messagesSet(
'error',
$message_id,
__('Version check'),
__('Reading of version failed. Maybe you\'re offline or the upgrade server does not respond.')
);
return;
}
$version = $version_data->version;
$date = $version_data->date;
$version_upstream = PMA_Util::versionToInt($version);
if ($version_upstream === false) {
PMA_messagesSet(
'error',
$message_id,
__('Version check'),
__('Got invalid version string from server')
);
return;
}
$version_local = PMA_Util::versionToInt(
$GLOBALS['PMA_Config']->get('PMA_VERSION')
);
if ($version_local === false) {
PMA_messagesSet(
'error',
$message_id,
__('Version check'),
__('Unparsable version string')
);
return;
}
if ($version_upstream > $version_local) {
$version = htmlspecialchars($version);
$date = htmlspecialchars($date);
PMA_messagesSet(
'notice',
$message_id,
__('Version check'),
sprintf(__('A newer version of phpMyAdmin is available and you should consider upgrading. The newest version is %s, released on %s.'), $version, $date)
);
} else {
if ($version_local % 100 == 0) {
PMA_messagesSet(
'notice',
$message_id,
__('Version check'),
PMA_sanitize(sprintf(__('You are using Git version, run [kbd]git pull[/kbd] :-)[br]The latest stable version is %s, released on %s.'), $version, $date))
);
} else {
PMA_messagesSet(
'notice',
$message_id,
__('Version check'),
__('No newer stable version is available')
);
}
}
}
/**
* Checks whether config file is readable/writable
*
* @param bool &$is_readable whether the file is readable
* @param bool &$is_writable whether the file is writable
* @param bool &$file_exists whether the file exists
*
* @return void
*/
function PMA_checkConfigRw(&$is_readable, &$is_writable, &$file_exists)
{
$file_path = $GLOBALS['ConfigFile']->getFilePath();
$file_dir = dirname($file_path);
$is_readable = true;
$is_writable = is_dir($file_dir);
if (SETUP_DIR_WRITABLE) {
$is_writable = $is_writable && is_writable($file_dir);
}
$file_exists = file_exists($file_path);
if ($file_exists) {
$is_readable = is_readable($file_path);
$is_writable = $is_writable && is_writable($file_path);
}
}
/**
* Performs various compatibility, security and consistency checks on current config
*
* Outputs results to message list, must be called between PMA_messagesBegin()
* and PMA_messagesEnd()
*
* @return void
*/
function PMA_performConfigChecks()
{
$cf = $GLOBALS['ConfigFile'];
$blowfish_secret = $cf->get('blowfish_secret');
$blowfish_secret_set = false;
$cookie_auth_used = false;
$strAllowArbitraryServerWarning = __('This %soption%s should be disabled as it allows attackers to bruteforce login to any MySQL server. If you feel this is necessary, use %strusted proxies list%s. However, IP-based protection may not be reliable if your IP belongs to an ISP where thousands of users, including you, are connected to.');
$strAllowArbitraryServerWarning = sprintf(
$strAllowArbitraryServerWarning,
'[a@?page=form&formset=Features#tab_Security]',
'[/a]', '[a@?page=form&formset=Features#tab_Security]',
'[/a]'
);
$strBlowfishSecretMsg = __('You didn\'t have blowfish secret set and have enabled cookie authentication, so a key was automatically generated for you. It is used to encrypt cookies; you don\'t need to remember it.');
$strBZipDumpWarning = __('%sBzip2 compression and decompression%s requires functions (%s) which are unavailable on this system.');
$strBZipDumpWarning = sprintf(
$strBZipDumpWarning,
'[a@?page=form&formset=Features#tab_Import_export]',
'[/a]', '%s'
);
$strDirectoryNotice = __('This value should be double checked to ensure that this directory is neither world accessible nor readable or writable by other users on your server.');
$strForceSSLNotice = __('This %soption%s should be enabled if your web server supports it.');
$strForceSSLNotice = sprintf(
$strForceSSLNotice,
'[a@?page=form&formset=Features#tab_Security]',
'[/a]'
);
$strGZipDumpWarning = __('%sGZip compression and decompression%s requires functions (%s) which are unavailable on this system.');
$strGZipDumpWarning = sprintf(
$strGZipDumpWarning,
'[a@?page=form&formset=Features#tab_Import_export]',
'[/a]',
'%s'
);
$strLoginCookieValidityWarning = __('%sLogin cookie validity%s greater than %ssession.gc_maxlifetime%s may cause random session invalidation (currently session.gc_maxlifetime is %d).');
$strLoginCookieValidityWarning = sprintf(
$strLoginCookieValidityWarning,
'[a@?page=form&formset=Features#tab_Security]',
'[/a]',
'[a@' . PMA_getPHPDocLink(
'session.configuration.php#ini.session.gc-maxlifetime'
) . ']',
'[/a]',
ini_get('session.gc_maxlifetime')
);
$strLoginCookieValidityWarning2 = __('%sLogin cookie validity%s should be set to 1800 seconds (30 minutes) at most. Values larger than 1800 may pose a security risk such as impersonation.');
$strLoginCookieValidityWarning2 = sprintf(
$strLoginCookieValidityWarning2,
'[a@?page=form&formset=Features#tab_Security]',
'[/a]'
);
$strLoginCookieValidityWarning3 = __('If using cookie authentication and %sLogin cookie store%s is not 0, %sLogin cookie validity%s must be set to a value less or equal to it.');
$strLoginCookieValidityWarning3 = sprintf(
$strLoginCookieValidityWarning3,
'[a@?page=form&formset=Features#tab_Security]',
'[/a]', '[a@?page=form&formset=Features#tab_Security]',
'[/a]'
);
$strSecurityInfoMsg = __('If you feel this is necessary, use additional protection settings - %shost authentication%s settings and %strusted proxies list%s. However, IP-based protection may not be reliable if your IP belongs to an ISP where thousands of users, including you, are connected to.');
$strSecurityInfoMsg = sprintf(
$strSecurityInfoMsg,
'[a@?page=servers&mode=edit&id=%1$d#tab_Server_config]',
'[/a]',
'[a@?page=form&formset=Features#tab_Security]',
'[/a]'
);
$strServerAuthConfigMsg = __('You set the [kbd]config[/kbd] authentication type and included username and password for auto-login, which is not a desirable option for live hosts. Anyone who knows or guesses your phpMyAdmin URL can directly access your phpMyAdmin panel. Set %sauthentication type%s to [kbd]cookie[/kbd] or [kbd]http[/kbd].');
$strServerAuthConfigMsg = sprintf(
$strServerAuthConfigMsg,
'[a@?page=servers&mode=edit&id=%1$d#tab_Server]',
'[/a]'
);
$strZipDumpExportWarning = __('%sZip compression%s requires functions (%s) which are unavailable on this system.');
$strZipDumpExportWarning = sprintf(
$strZipDumpExportWarning,
'[a@?page=form&formset=Features#tab_Import_export]',
'[/a]',
'%s'
);
$strZipDumpImportWarning = __('%sZip decompression%s requires functions (%s) which are unavailable on this system.');
$strZipDumpImportWarning = sprintf(
$strZipDumpImportWarning,
'[a@?page=form&formset=Features#tab_Import_export]',
'[/a]',
'%s'
);
for ($i = 1, $server_cnt = $cf->getServerCount(); $i <= $server_cnt; $i++) {
$cookie_auth_server = ($cf->getValue("Servers/$i/auth_type") == 'cookie');
$cookie_auth_used |= $cookie_auth_server;
$server_name = $cf->getServerName($i);
if ($server_name == 'localhost') {
$server_name .= " [$i]";
}
$server_name = htmlspecialchars($server_name);
if ($cookie_auth_server && $blowfish_secret === null) {
$blowfish_secret = uniqid('', true);
$blowfish_secret_set = true;
$cf->set('blowfish_secret', $blowfish_secret);
}
//
// $cfg['Servers'][$i]['ssl']
// should be enabled if possible
//
if (!$cf->getValue("Servers/$i/ssl")) {
$title = PMA_lang(PMA_langName('Servers/1/ssl')) . " ($server_name)";
PMA_messagesSet(
'notice',
"Servers/$i/ssl",
$title,
__('You should use SSL connections if your database server supports it.')
);
}
//
// $cfg['Servers'][$i]['extension']
// warn about using 'mysql'
//
if ($cf->getValue("Servers/$i/extension") == 'mysql') {
$title = PMA_lang(PMA_langName('Servers/1/extension'))
. " ($server_name)";
PMA_messagesSet(
'notice',
"Servers/$i/extension",
$title,
__('You should use mysqli for performance reasons.')
);
}
//
// $cfg['Servers'][$i]['auth_type']
// warn about full user credentials if 'auth_type' is 'config'
//
if ($cf->getValue("Servers/$i/auth_type") == 'config'
&& $cf->getValue("Servers/$i/user") != ''
&& $cf->getValue("Servers/$i/password") != ''
) {
$title = PMA_lang(PMA_langName('Servers/1/auth_type'))
. " ($server_name)";
PMA_messagesSet(
'notice',
"Servers/$i/auth_type",
$title,
PMA_lang($strServerAuthConfigMsg, $i) . ' '
. PMA_lang($strSecurityInfoMsg, $i)
);
}
//
// $cfg['Servers'][$i]['AllowRoot']
// $cfg['Servers'][$i]['AllowNoPassword']
// serious security flaw
//
if ($cf->getValue("Servers/$i/AllowRoot")
&& $cf->getValue("Servers/$i/AllowNoPassword")
) {
$title = PMA_lang(PMA_langName('Servers/1/AllowNoPassword'))
. " ($server_name)";
PMA_messagesSet(
'notice',
"Servers/$i/AllowNoPassword",
$title,
__('You allow for connecting to the server without a password.') . ' '
. PMA_lang($strSecurityInfoMsg, $i)
);
}
}
//
// $cfg['blowfish_secret']
// it's required for 'cookie' authentication
//
if ($cookie_auth_used) {
if ($blowfish_secret_set) {
// 'cookie' auth used, blowfish_secret was generated
PMA_messagesSet(
'notice',
'blowfish_secret_created',
PMA_lang(PMA_langName('blowfish_secret')),
$strBlowfishSecretMsg
);
} else {
$blowfish_warnings = array();
// check length
if (strlen($blowfish_secret) < 8) {
// too short key
$blowfish_warnings[] = __('Key is too short, it should have at least 8 characters.');
}
// check used characters
$has_digits = (bool) preg_match('/\d/', $blowfish_secret);
$has_chars = (bool) preg_match('/\S/', $blowfish_secret);
$has_nonword = (bool) preg_match('/\W/', $blowfish_secret);
if (!$has_digits || !$has_chars || !$has_nonword) {
$blowfish_warnings[] = PMA_lang(__('Key should contain letters, numbers [em]and[/em] special characters.'));
}
if (!empty($blowfish_warnings)) {
PMA_messagesSet(
'error',
'blowfish_warnings' . count($blowfish_warnings),
PMA_lang(PMA_langName('blowfish_secret')),
implode('
', $blowfish_warnings)
);
}
}
}
//
// $cfg['ForceSSL']
// should be enabled if possible
//
if (!$cf->getValue('ForceSSL')) {
PMA_messagesSet(
'notice',
'ForceSSL',
PMA_lang(PMA_langName('ForceSSL')),
PMA_lang($strForceSSLNotice)
);
}
//
// $cfg['AllowArbitraryServer']
// should be disabled
//
if ($cf->getValue('AllowArbitraryServer')) {
PMA_messagesSet(
'notice',
'AllowArbitraryServer',
PMA_lang(PMA_langName('AllowArbitraryServer')),
PMA_lang($strAllowArbitraryServerWarning)
);
}
//
// $cfg['LoginCookieValidity']
// value greater than session.gc_maxlifetime will cause
// random session invalidation after that time
if ($cf->getValue('LoginCookieValidity') > ini_get('session.gc_maxlifetime')) {
PMA_messagesSet(
'error',
'LoginCookieValidity',
PMA_lang(PMA_langName('LoginCookieValidity')),
PMA_lang($strLoginCookieValidityWarning)
);
}
//
// $cfg['LoginCookieValidity']
// should be at most 1800 (30 min)
//
if ($cf->getValue('LoginCookieValidity') > 1800) {
PMA_messagesSet(
'notice',
'LoginCookieValidity',
PMA_lang(PMA_langName('LoginCookieValidity')),
PMA_lang($strLoginCookieValidityWarning2)
);
}
//
// $cfg['LoginCookieValidity']
// $cfg['LoginCookieStore']
// LoginCookieValidity must be less or equal to LoginCookieStore
//
if ($cf->getValue('LoginCookieStore') != 0
&& $cf->getValue('LoginCookieValidity') > $cf->getValue('LoginCookieStore')
) {
PMA_messagesSet(
'error',
'LoginCookieValidity',
PMA_lang(PMA_langName('LoginCookieValidity')),
PMA_lang($strLoginCookieValidityWarning3)
);
}
//
// $cfg['SaveDir']
// should not be world-accessible
//
if ($cf->getValue('SaveDir') != '') {
PMA_messagesSet(
'notice',
'SaveDir',
PMA_lang(PMA_langName('SaveDir')),
PMA_lang($strDirectoryNotice)
);
}
//
// $cfg['TempDir']
// should not be world-accessible
//
if ($cf->getValue('TempDir') != '') {
PMA_messagesSet(
'notice',
'TempDir',
PMA_lang(PMA_langName('TempDir')),
PMA_lang($strDirectoryNotice)
);
}
//
// $cfg['GZipDump']
// requires zlib functions
//
if ($cf->getValue('GZipDump')
&& (@!function_exists('gzopen') || @!function_exists('gzencode'))
) {
PMA_messagesSet(
'error',
'GZipDump',
PMA_lang(PMA_langName('GZipDump')),
PMA_lang($strGZipDumpWarning, 'gzencode')
);
}
//
// $cfg['BZipDump']
// requires bzip2 functions
//
if ($cf->getValue('BZipDump')
&& (!@function_exists('bzopen') || !@function_exists('bzcompress'))
) {
$functions = @function_exists('bzopen')
? '' :
'bzopen';
$functions .= @function_exists('bzcompress')
? ''
: ($functions ? ', ' : '') . 'bzcompress';
PMA_messagesSet(
'error',
'BZipDump',
PMA_lang(PMA_langName('BZipDump')),
PMA_lang($strBZipDumpWarning, $functions)
);
}
//
// $cfg['ZipDump']
// requires zip_open in import
//
if ($cf->getValue('ZipDump') && !@function_exists('zip_open')) {
PMA_messagesSet(
'error',
'ZipDump_import',
PMA_lang(PMA_langName('ZipDump')),
PMA_lang($strZipDumpImportWarning, 'zip_open')
);
}
//
// $cfg['ZipDump']
// requires gzcompress in export
//
if ($cf->getValue('ZipDump') && !@function_exists('gzcompress')) {
PMA_messagesSet(
'error',
'ZipDump_export',
PMA_lang(PMA_langName('ZipDump')),
PMA_lang($strZipDumpExportWarning, 'gzcompress')
);
}
}
?>