add support for RADIUS NAS accounting, fixes redmine feature request 2143

1 files changed, 52 insertions, 0 deletions

diff --git a/etc/inc/captiveportal.inc b/etc/inc/captiveportal.inc
index 4c1145c..3f91627 100644
--- a/etc/inc/captiveportal.inc
+++ b/etc/inc/captiveportal.inc
@@ -338,6 +338,9 @@ EOD;
 		unlink_if_exists("{$g['vardb_path']}/captiveportal_radius_{$cpzone}.db");
 		captiveportal_init_radius_servers();
 
+		/* send Accounting-On to server */
+		captiveportal_send_server_accounting();
+
 		if ($g['booting'])
 			echo "done\n";
 
@@ -351,6 +354,11 @@ EOD;
 
 		captiveportal_radius_stop_all();
 
+		/* send Accounting-Off to server */
+		if (!$g['booting']) {
+			captiveportal_send_server_accounting(true);
+		}
+
 		/* remove old information */
 		unlink_if_exists("{$g['vardb_path']}/captiveportal{$cpzone}.db");
 		unlink_if_exists("{$g['vardb_path']}/captiveportal_radius_{$cpzone}.db");
@@ -2027,4 +2035,48 @@ function captiveportal_write_usedmacs_db($usedmacs) {
 	unlock($cpumaclck);
 }
 
+function captiveportal_send_server_accounting($off = false) {
+	global $cpzone, $config;
+
+	if (!isset($config['captiveportal'][$cpzone]['radacct_enable'])) {
+		return;
+	}
+	if ($off) {
+		$racct = new Auth_RADIUS_Acct_Off;
+	} else {
+		$racct = new Auth_RADIUS_Acct_On;
+	}
+	$radiusservers = captiveportal_get_radius_servers();
+	if (empty($radiusservers)) {
+		return;
+	}
+	foreach ($radiusservers['first'] as $radsrv) {
+		// Add a new server to our instance
+		$racct->addServer($radsrv['ipaddr'], $radsrv['acctport'], $radsrv['key']);
+	}
+	if (PEAR::isError($racct->start())) {
+		$retvalue['acct_val'] = 1;
+		$retvalue['error'] = $racct->getMessage();
+
+		// If we encounter an error immediately stop this function and go back
+		$racct->close();
+		return $retvalue;
+	}
+	// Send request
+	$result = $racct->send();
+	// Evaluation of the response
+	// 5 -> Accounting-Response
+	// See RFC2866 for this.
+	if (PEAR::isError($result)) {
+		$retvalue['acct_val'] = 1;
+		$retvalue['error'] = $result->getMessage();
+	} else if ($result === true) {
+		$retvalue['acct_val'] = 5 ;
+	} else {
+		$retvalue['acct_val'] = 1 ;
+	}
+
+	$racct->close();
+	return $retvalue;
+}
 ?>