int ndisc_configure(Link *link) {
int r;
assert_return(link, -EINVAL);
r = sd_ndisc_new(&link->ndisc_router_discovery);
if (r < 0)
return r;
r = sd_ndisc_attach_event(link->ndisc_router_discovery, NULL, 0);
if (r < 0)
return r;
r = sd_ndisc_set_mac(link->ndisc_router_discovery, &link->mac);
if (r < 0)
return r;
r = sd_ndisc_set_index(link->ndisc_router_discovery, link->ifindex);
if (r < 0)
return r;
r = sd_ndisc_set_callback(link->ndisc_router_discovery,
ndisc_router_handler, link);
return r;
}
static void test_rs(void) {
sd_event *e;
sd_ndisc *nd;
usec_t time_now = now(clock_boottime_or_monotonic());
if (verbose)
printf("* %s\n", __FUNCTION__);
send_ra_function = send_ra;
assert_se(sd_event_new(&e) >= 0);
assert_se(sd_ndisc_new(&nd) >= 0);
assert_se(nd);
assert_se(sd_ndisc_attach_event(nd, e, 0) >= 0);
assert_se(sd_ndisc_set_index(nd, 42) >= 0);
assert_se(sd_ndisc_set_mac(nd, &mac_addr) >= 0);
assert_se(sd_ndisc_set_callback(nd, test_rs_done, NULL, NULL, NULL, e) >= 0);
assert_se(sd_event_add_time(e, &test_hangcheck, clock_boottime_or_monotonic(),
time_now + 2 *USEC_PER_SEC, 0,
test_rs_hangcheck, NULL) >= 0);
assert_se(sd_ndisc_stop(nd) >= 0);
assert_se(sd_ndisc_router_discovery_start(nd) >= 0);
assert_se(sd_ndisc_stop(nd) >= 0);
assert_se(sd_ndisc_router_discovery_start(nd) >= 0);
sd_event_loop(e);
test_hangcheck = sd_event_source_unref(test_hangcheck);
nd = sd_ndisc_unref(nd);
assert_se(!nd);
close(test_fd[1]);
sd_event_unref(e);
}
int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
struct ether_addr mac_addr = {
.ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}
};
_cleanup_(sd_event_unrefp) sd_event *e = NULL;
_cleanup_(sd_ndisc_unrefp) sd_ndisc *nd = NULL;
assert_se(sd_event_new(&e) >= 0);
assert_se(sd_ndisc_new(&nd) >= 0);
assert_se(sd_ndisc_attach_event(nd, e, 0) >= 0);
assert_se(sd_ndisc_set_ifindex(nd, 42) >= 0);
assert_se(sd_ndisc_set_mac(nd, &mac_addr) >= 0);
assert_se(sd_ndisc_start(nd) >= 0);
assert_se(write(test_fd[1], data, size) == (ssize_t) size);
(void) sd_event_run(e, (uint64_t) -1);
assert_se(sd_ndisc_stop(nd) >= 0);
close(test_fd[1]);
return 0;
}