static void test_multiple(void) {
sd_netlink *rtnl1, *rtnl2;
assert_se(sd_netlink_open(&rtnl1) >= 0);
assert_se(sd_netlink_open(&rtnl2) >= 0);
rtnl1 = sd_netlink_unref(rtnl1);
rtnl2 = sd_netlink_unref(rtnl2);
}
void netlink_slot_disconnect(sd_netlink_slot *slot, bool unref) {
sd_netlink *nl;
assert(slot);
nl = slot->netlink;
if (!nl)
return;
switch (slot->type) {
case NETLINK_REPLY_CALLBACK:
(void) hashmap_remove(nl->reply_callbacks, &slot->reply_callback.serial);
if (slot->reply_callback.timeout != 0)
prioq_remove(nl->reply_callbacks_prioq, &slot->reply_callback, &slot->reply_callback.prioq_idx);
break;
case NETLINK_MATCH_CALLBACK:
LIST_REMOVE(match_callbacks, nl->match_callbacks, &slot->match_callback);
switch (slot->match_callback.type) {
case RTM_NEWLINK:
case RTM_DELLINK:
(void) socket_broadcast_group_unref(nl, RTNLGRP_LINK);
break;
case RTM_NEWADDR:
case RTM_DELADDR:
(void) socket_broadcast_group_unref(nl, RTNLGRP_IPV4_IFADDR);
(void) socket_broadcast_group_unref(nl, RTNLGRP_IPV6_IFADDR);
break;
case RTM_NEWROUTE:
case RTM_DELROUTE:
(void) socket_broadcast_group_unref(nl, RTNLGRP_IPV4_ROUTE);
(void) socket_broadcast_group_unref(nl, RTNLGRP_IPV6_ROUTE);
break;
}
break;
default:
assert_not_reached("Wut? Unknown slot type?");
}
slot->type = _NETLINK_SLOT_INVALID;
slot->netlink = NULL;
LIST_REMOVE(slots, nl->slots, slot);
if (!slot->floating)
sd_netlink_unref(nl);
else if (unref)
sd_netlink_slot_unref(slot);
}
int main(int argc, char *argv[]) {
sd_netlink *rtnl;
int r;
assert_se(sd_netlink_open(&rtnl) >= 0);
assert_se(rtnl);
r = test_tunnel_configure(rtnl);
assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
return r;
}
void link_config_ctx_free(link_config_ctx *ctx) {
if (!ctx)
return;
safe_close(ctx->ethtool_fd);
sd_netlink_unref(ctx->rtnl);
link_configs_free(ctx);
free(ctx);
return;
}
static void test_match(void) {
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
assert_se(sd_netlink_open(&rtnl) >= 0);
assert_se(sd_netlink_add_match(rtnl, RTM_NEWLINK, link_handler, NULL) >= 0);
assert_se(sd_netlink_add_match(rtnl, RTM_NEWLINK, link_handler, NULL) >= 0);
assert_se(sd_netlink_remove_match(rtnl, RTM_NEWLINK, link_handler, NULL) == 1);
assert_se(sd_netlink_remove_match(rtnl, RTM_NEWLINK, link_handler, NULL) == 1);
assert_se(sd_netlink_remove_match(rtnl, RTM_NEWLINK, link_handler, NULL) == 0);
assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
}
static void test_async(int ifindex) {
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *r = NULL;
uint32_t serial;
char *ifname;
ifname = strdup("lo");
assert_se(ifname);
assert_se(sd_netlink_open(&rtnl) >= 0);
assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
assert_se(sd_netlink_call_async(rtnl, m, link_handler, ifname, 0, &serial) >= 0);
assert_se(sd_netlink_wait(rtnl, 0) >= 0);
assert_se(sd_netlink_process(rtnl, &r) >= 0);
assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
}
int sd_netlink_slot_set_floating(sd_netlink_slot *slot, int b) {
assert_return(slot, -EINVAL);
if (slot->floating == !!b)
return 0;
if (!slot->netlink) /* Already disconnected */
return -ESTALE;
slot->floating = b;
if (b) {
sd_netlink_slot_ref(slot);
sd_netlink_unref(slot->netlink);
} else {
sd_netlink_ref(slot->netlink);
sd_netlink_slot_unref(slot);
}
return 1;
}
static void test_pipe(int ifindex) {
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m1 = NULL, *m2 = NULL;
int counter = 0;
assert_se(sd_netlink_open(&rtnl) >= 0);
assert_se(sd_rtnl_message_new_link(rtnl, &m1, RTM_GETLINK, ifindex) >= 0);
assert_se(sd_rtnl_message_new_link(rtnl, &m2, RTM_GETLINK, ifindex) >= 0);
counter++;
assert_se(sd_netlink_call_async(rtnl, m1, pipe_handler, &counter, 0, NULL) >= 0);
counter++;
assert_se(sd_netlink_call_async(rtnl, m2, pipe_handler, &counter, 0, NULL) >= 0);
while (counter > 0) {
assert_se(sd_netlink_wait(rtnl, 0) >= 0);
assert_se(sd_netlink_process(rtnl, NULL) >= 0);
}
assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
}
static void test_event_loop(int ifindex) {
_cleanup_(sd_event_unrefp) sd_event *event = NULL;
_cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
_cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL;
char *ifname;
ifname = strdup("lo2");
assert_se(ifname);
assert_se(sd_netlink_open(&rtnl) >= 0);
assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
assert_se(sd_netlink_call_async(rtnl, m, link_handler, ifname, 0, NULL) >= 0);
assert_se(sd_event_default(&event) >= 0);
assert_se(sd_netlink_attach_event(rtnl, event, 0) >= 0);
assert_se(sd_event_run(event, 0) >= 0);
assert_se(sd_netlink_detach_event(rtnl) >= 0);
assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
}
static int test_pppoe_server(sd_event *e) {
sd_netlink *rtnl;
sd_netlink_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_netlink_open(&rtnl) >= 0);
assert_se(sd_netlink_attach_event(rtnl, e, 0) >= 0);
assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0);
assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, "pppoe-server") >= 0);
assert_se(sd_netlink_message_open_container(m, IFLA_LINKINFO) >= 0);
assert_se(sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "veth") >= 0);
assert_se(sd_netlink_message_open_container(m, VETH_INFO_PEER) >= 0);
assert_se(sd_netlink_message_append_string(m, IFLA_IFNAME, "pppoe-client") >= 0);
assert_se(sd_netlink_message_close_container(m) >= 0);
assert_se(sd_netlink_message_close_container(m) >= 0);
assert_se(sd_netlink_message_close_container(m) >= 0);
assert_se(sd_netlink_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_netlink_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_netlink_call(rtnl, m, 0, NULL) >= 0);
m = sd_netlink_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_netlink_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_netlink_message_unref(m));
assert_se(!sd_netlink_unref(rtnl));
return EXIT_SUCCESS;
}
int main(void) {
sd_netlink *rtnl;
sd_netlink_message *m;
sd_netlink_message *r;
const char *string_data;
int if_loopback;
uint16_t type;
test_match();
test_multiple();
assert_se(sd_netlink_open(&rtnl) >= 0);
assert_se(rtnl);
test_route(rtnl);
test_message(rtnl);
test_container(rtnl);
if_loopback = (int) if_nametoindex("lo");
assert_se(if_loopback > 0);
test_async(if_loopback);
test_pipe(if_loopback);
test_event_loop(if_loopback);
test_link_configure(rtnl, if_loopback);
test_get_addresses(rtnl);
test_message_link_bridge(rtnl);
assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, if_loopback) >= 0);
assert_se(m);
assert_se(sd_netlink_message_get_type(m, &type) >= 0);
assert_se(type == RTM_GETLINK);
assert_se(sd_netlink_message_read_string(m, IFLA_IFNAME, &string_data) == -EPERM);
assert_se(sd_netlink_call(rtnl, m, 0, &r) == 1);
assert_se(sd_netlink_message_get_type(r, &type) >= 0);
assert_se(type == RTM_NEWLINK);
assert_se((r = sd_netlink_message_unref(r)) == NULL);
assert_se(sd_netlink_call(rtnl, m, -1, &r) == -EPERM);
assert_se((m = sd_netlink_message_unref(m)) == NULL);
assert_se((r = sd_netlink_message_unref(r)) == NULL);
test_link_get(rtnl, if_loopback);
test_address_get(rtnl, if_loopback);
assert_se((m = sd_netlink_message_unref(m)) == NULL);
assert_se((r = sd_netlink_message_unref(r)) == NULL);
assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
return EXIT_SUCCESS;
}