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#120 Use HTTP_X_REAL_IP to log ip addresses

This commit is contained in:
Roland Gruber 2015-02-17 18:31:52 +00:00
parent 75b42a68ff
commit a85d7174e5
2 changed files with 21 additions and 4 deletions
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1
lam/HISTORY
View File

@ -2,6 +2,7 @@ March 2015
- templates for server profiles
- Unix/Personal: support SASL as password hash type
- PDF export: added option to print primary group members
- Use HTTP_X_REAL_IP/HTTP_X_FORWARDED_FOR to log IP addresses (RFE 120)
- LAM Pro:
-> Personal: support image file size limit and cropping (requires php-imagick) in self service

24
lam/lib/security.inc
View File

@ -76,13 +76,13 @@ function startSecureSession($redirectToLogin = true, $initSecureData = false) {
// check session id
if (! isset($_SESSION["sec_session_id"]) || ($_SESSION["sec_session_id"] != session_id())) {
// session id is invalid
logNewMessage(LOG_WARNING, "Invalid session ID, access denied (" . $_SERVER['REMOTE_ADDR'] . ")");
logNewMessage(LOG_WARNING, "Invalid session ID, access denied (" . getClientIPForLogging() . ")");
die();
}
// check if client IP has not changed
if (!isset($_SESSION["sec_client_ip"]) || ($_SESSION["sec_client_ip"] != $_SERVER['REMOTE_ADDR'])) {
// IP is invalid
logNewMessage(LOG_WARNING, "Client IP changed, access denied (" . $_SERVER['REMOTE_ADDR'] . ")");
logNewMessage(LOG_WARNING, "Client IP changed, access denied (" . getClientIPForLogging() . ")");
die();
}
// check if session time has not expired
@ -133,7 +133,7 @@ function checkClientIP() {
}
// stop script is client may not access LAM
if (!$grantAccess) {
logNewMessage(LOG_WARNING, "Invalid client IP, access denied (" . $_SERVER['REMOTE_ADDR'] . ")");
logNewMessage(LOG_WARNING, "Invalid client IP, access denied (" . getClientIPForLogging() . ")");
die();
}
}
@ -215,7 +215,7 @@ function logNewMessage($level, $message) {
// check if log level is high enough
elseif ($cfg->logLevel < $level) return;
// ok to log, build log message
$prefix = "LDAP Account Manager (" . session_id() . ' - ' . $_SERVER['REMOTE_ADDR'] . ") - " . $possibleLevels[$level] . ": ";
$prefix = "LDAP Account Manager (" . session_id() . ' - ' . getClientIPForLogging() . ") - " . $possibleLevels[$level] . ": ";
$message = $prefix . $message;
// Syslog logging
if ($cfg->logDestination == 'SYSLOG') {
@ -481,4 +481,20 @@ function isLoggedIn() {
return (isset($_SESSION['loggedIn']) && ($_SESSION['loggedIn'] === true));
}
/**
* Returns the client IP and comma separated proxy IPs if any (HTTP_X_FORWARDED_FOR, HTTP_X_REAL_IP).
*
* @return String client IP (e.g. 10.10.10.10,11.11.11.11)
*/
function getClientIPForLogging() {
$ip = $_SERVER['REMOTE_ADDR'];
if (!empty($_SERVER['HTTP_X_FORWARDED_FOR']) && (strlen($_SERVER['HTTP_X_FORWARDED_FOR']) < 100)) {
$ip .= ',' . $_SERVER['HTTP_X_FORWARDED_FOR'];
}
if (!empty($_SERVER['HTTP_X_REAL_IP']) && (strlen($_SERVER['HTTP_X_REAL_IP']) < 100)) {
$ip .= ',' . $_SERVER['HTTP_X_REAL_IP'];
}
return $ip;
}
?>