From 9ff405092509b8274b929469403980e117af0f1a Mon Sep 17 00:00:00 2001
From: Kasalehlia <kasalehlia@clonejo.de>
Date: Sun, 30 May 2021 13:14:51 +0200
Subject: [PATCH] gluon-radvd-filterd: Do not write respondd info if batman
server
---
package/gluon-radv-filterd/src/respondd.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/package/gluon-radv-filterd/src/respondd.c b/package/gluon-radv-filterd/src/respondd.c
index bfa9257ae..9a2a9fc0e 100644
--- a/package/gluon-radv-filterd/src/respondd.c
+++ b/package/gluon-radv-filterd/src/respondd.c
@@ -5,6 +5,8 @@
#include <net/ethernet.h>
#include <stdio.h>
#include <string.h>
+#include <unistd.h>
+#include <fcntl.h>
#include "mac.h"
@@ -37,6 +39,19 @@ static struct json_object * get_radv_filter() {
}
static struct json_object * respondd_provider_statistics() {
+ char buf[6];
+ int fd = open("/sys/class/net/bat0/mesh/gw_mode", O_RDONLY);
+ if (fd == -1) {
+ perror("error opening gateway info file");
+ return NULL;
+ }
+ memset(buf, 0, sizeof(buf));
+ read(fd, buf, sizeof(buf));
+ close(fd);
+ if (strncmp(buf, "server", 6) == 0) {
+ // We are a batman gateway, do not write gateway6
+ return NULL;
+ }
struct json_object *ret = json_object_new_object();
json_object_object_add(ret, "gateway6", get_radv_filter());
--
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