int manager_rtnl_listen(Manager *m) {
int r;
r = sd_rtnl_attach_event(m->rtnl, m->event, 0);
if (r < 0)
return r;
r = sd_rtnl_add_match(m->rtnl, RTM_NEWLINK, &manager_rtnl_process_link, m);
if (r < 0)
return r;
return 0;
}
static void test_event_loop(int ifindex) {
_cleanup_event_unref_ sd_event *event = NULL;
_cleanup_sd_rtnl_unref_ sd_rtnl *rtnl = NULL;
_cleanup_sd_rtnl_message_unref_ sd_rtnl_message *m = NULL;
char *ifname;
ifname = strdup("lo2");
assert(ifname);
assert(sd_rtnl_open(0, &rtnl) >= 0);
assert(sd_rtnl_message_link_new(RTM_GETLINK, ifindex, 0, 0, &m) >= 0);
assert(sd_rtnl_call_async(rtnl, m, &link_handler, ifname, 0, NULL) >= 0);
assert(sd_event_default(&event) >= 0);
assert(sd_rtnl_attach_event(rtnl, event, 0) >= 0);
assert(sd_event_run(event, 0) >= 0);
assert(sd_rtnl_detach_event(rtnl) >= 0);
}
static int test_pppoe_server(sd_event *e) {
sd_rtnl *rtnl;
sd_rtnl_message *m;
pid_t pid;
int r, client_ifindex, server_ifindex;
r = unshare(CLONE_NEWNET);
if (r < 0 && errno == EPERM)
return EXIT_TEST_SKIP;
assert_se(r >= 0);
assert_se(sd_rtnl_open(&rtnl, 0) >= 0);
assert_se(sd_rtnl_attach_event(rtnl, e, 0) >= 0);
assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0);
assert_se(sd_rtnl_message_append_string(m, IFLA_IFNAME, "pppoe-server") >= 0);
assert_se(sd_rtnl_message_open_container(m, IFLA_LINKINFO) >= 0);
assert_se(sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, "veth") >= 0);
assert_se(sd_rtnl_message_open_container(m, VETH_INFO_PEER) >= 0);
assert_se(sd_rtnl_message_append_string(m, IFLA_IFNAME, "pppoe-client") >= 0);
assert_se(sd_rtnl_message_close_container(m) >= 0);
assert_se(sd_rtnl_message_close_container(m) >= 0);
assert_se(sd_rtnl_message_close_container(m) >= 0);
assert_se(sd_rtnl_call(rtnl, m, 0, NULL) >= 0);
client_ifindex = (int) if_nametoindex("pppoe-client");
assert_se(client_ifindex > 0);
server_ifindex = (int) if_nametoindex("pppoe-server");
assert_se(server_ifindex > 0);
m = sd_rtnl_message_unref(m);
assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_SETLINK, client_ifindex) >= 0);
assert_se(sd_rtnl_message_link_set_flags(m, IFF_UP, IFF_UP) >= 0);
assert_se(sd_rtnl_call(rtnl, m, 0, NULL) >= 0);
m = sd_rtnl_message_unref(m);
assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_SETLINK, server_ifindex) >= 0);
assert_se(sd_rtnl_message_link_set_flags(m, IFF_UP, IFF_UP) >= 0);
assert_se(sd_rtnl_call(rtnl, m, 0, NULL) >= 0);
pid = fork();
assert_se(pid >= 0);
if (pid == 0) {
/* let the client send some discover messages before the server is started */
sleep(2);
/* TODO: manage pppoe-server-options */
execlp("pppoe-server", "pppoe-server", "-F",
"-I", "pppoe-server",
"-C", "Test-AC",
"-S", "Service-Default",
"-S", "Service-First-Auxiliary",
"-S", "Service-Second-Auxiliary",
NULL);
assert_not_reached("failed to execute pppoe-server. not installed?");
}
client_run("pppoe-client", e);
assert_se(kill(pid, SIGTERM) >= 0);
assert_se(wait_for_terminate(pid, NULL) >= 0);
assert_se(!sd_rtnl_message_unref(m));
assert_se(!sd_rtnl_unref(rtnl));
return EXIT_SUCCESS;
}
