+ break;
+
+ case DHCP6_OPTION_ELAPSED_TIME:
+ assert_se(!found_elapsed_time);
+ found_elapsed_time = true;
+
+ assert_se(optlen == 2);
+
+ break;
+ }
+ }
+
+ assert_se(r == -ENOMSG);
+ assert_se(found_clientid && found_iana && found_elapsed_time);
+
+ return 0;
+}
+
+static void test_client_information_cb(sd_dhcp6_client *client, int event,
+ void *userdata) {
+ sd_event *e = userdata;
+
+ assert_se(e);
+ assert_se(event == DHCP6_EVENT_INFORMATION_REQUEST);
+
+ if (verbose)
+ printf(" got DHCPv6 event %d\n", event);
+
+ assert_se(sd_dhcp6_client_set_information_request(client, false) >= 0);
+ assert_se(sd_dhcp6_client_set_callback(client,
+ test_client_solicit_cb, e) >= 0);
+
+ assert_se(sd_dhcp6_client_start(client) >= 0);
+}
+
+static int test_client_verify_information_request(DHCP6Message *information_request,
+ uint8_t *option, size_t len) {
+
+ _cleanup_dhcp6_lease_free_ sd_dhcp6_lease *lease = NULL;
+ uint8_t *optval;
+ uint16_t optcode;
+ size_t optlen;
+ bool found_clientid = false, found_elapsed_time = false;
+ int r;
+ struct in6_addr addr;
+ uint32_t lt_pref, lt_valid;
+
+ assert_se(information_request->type == DHCP6_INFORMATION_REQUEST);
+
+ assert_se(dhcp6_lease_new(&lease) >= 0);
+
+ while ((r = dhcp6_option_parse(&option, &len,
+ &optcode, &optlen, &optval)) >= 0) {
+ switch(optcode) {
+ case DHCP6_OPTION_CLIENTID:
+ assert_se(!found_clientid);
+ found_clientid = true;
+
+ assert_se(optlen == sizeof(test_duid));
+ memcpy(&test_duid, optval, sizeof(test_duid));
+
+ break;
+
+ case DHCP6_OPTION_IA_NA:
+ assert_not_reached("IA TA option must not be present");
+
+ break;
+
+ case DHCP6_OPTION_SERVERID:
+ assert_not_reached("Server ID option must not be present");
+
+ break;
+
+ case DHCP6_OPTION_ELAPSED_TIME:
+ assert_se(!found_elapsed_time);
+ found_elapsed_time = true;
+
+ assert_se(optlen == 2);
+