Don't return a DHCPv6 reply in response to a confirm without address(es)

[project/odhcpd.git] / src / dhcpv6.c

diff --git a/src/dhcpv6.c b/src/dhcpv6.c
index 62f30e2..55b9ea9 100644 (file)
--- a/src/dhcpv6.c
+++ b/src/dhcpv6.c
@@ -320,7 +320,7 @@ static void handle_client_request(void *addr, void *data, size_t len,
        if (opts[-4] != DHCPV6_MSG_INFORMATION_REQUEST) {
                ssize_t ialen = dhcpv6_handle_ia(pdbuf, sizeof(pdbuf), iface, addr, &opts[-4], opts_end);
                iov[6].iov_len = ialen;
-               if (ialen < 0 || (ialen == 0 && opts[-4] == DHCPV6_MSG_REBIND))
+               if (ialen < 0 || (ialen == 0 && (opts[-4] == DHCPV6_MSG_REBIND || opts[-4] == DHCPV6_MSG_CONFIRM)))
                        return;
        }