config: limit ra_retranstime to 60000

[project/odhcpd.git] / src / config.c

diff --git a/src/config.c b/src/config.c
index 9348985..979603c 100644 (file)
--- a/src/config.c
+++ b/src/config.c
@@ -608,8 +608,11 @@ int config_parse_interface(void *data, size_t len, const char *name, bool overwr
                        goto err;
        }
 
-       if ((c = tb[IFACE_ATTR_RA_RETRANSTIME]))
+       if ((c = tb[IFACE_ATTR_RA_RETRANSTIME])) {
                iface->ra_retranstime = blobmsg_get_u32(c);
+               if (iface->ra_retranstime > 60000)
+                       goto err;
+       }
 
        if ((c = tb[IFACE_ATTR_RA_HOPLIMIT])) {
                iface->ra_hoplimit = blobmsg_get_u32(c);