ra: don't send MSR for /64 prefix if DP is /64 as well

diff --git a/src/router.c b/src/router.c
index f8ba5d7aac0332daa0c8776e12183c4c06e48edd..a45a8cbbe2d176ed4ed71a587f9107cdebfb8154 100644 (file)
--- a/src/router.c
+++ b/src/router.c
@@ -410,7 +410,8 @@ static void send_router_advert(struct uloop_timeout *event)
 
        for (ssize_t i = 0; i < ipcnt; ++i) {
                struct odhcpd_ipaddr *addr = &addrs[i];
-               if (addr->dprefix > 64 || addr->dprefix == 0) {
+               if (addr->dprefix > 64 || addr->dprefix == 0 ||
+                               (addr->dprefix == 64 && addr->prefix == 64)) {
                        continue; // Address not suitable
                } else if (addr->dprefix > 32) {
                        addr->addr.s6_addr32[1] &= htonl(~((1U << (64 - addr->dprefix)) - 1));