| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| |
| #include <net/if.h> |
| #include <netinet/ether.h> |
| #include <netinet/in.h> |
| #include <linux/fou.h> |
| #include <linux/genetlink.h> |
| #include <linux/if_macsec.h> |
| #include <linux/l2tp.h> |
| #include <linux/nl80211.h> |
| #include <unistd.h> |
| |
| #include "sd-netlink.h" |
| |
| #include "alloc-util.h" |
| #include "ether-addr-util.h" |
| #include "macro.h" |
| #include "netlink-genl.h" |
| #include "netlink-internal.h" |
| #include "netlink-util.h" |
| #include "socket-util.h" |
| #include "stdio-util.h" |
| #include "string-util.h" |
| #include "strv.h" |
| #include "tests.h" |
| |
| TEST(message_newlink_bridge) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *message = NULL; |
| uint32_t cost; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| |
| assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_NEWLINK, 1) >= 0); |
| assert_se(sd_rtnl_message_link_set_family(message, AF_BRIDGE) >= 0); |
| assert_se(sd_netlink_message_open_container(message, IFLA_PROTINFO) >= 0); |
| assert_se(sd_netlink_message_append_u32(message, IFLA_BRPORT_COST, 10) >= 0); |
| assert_se(sd_netlink_message_close_container(message) >= 0); |
| |
| assert_se(sd_netlink_message_rewind(message, rtnl) >= 0); |
| |
| assert_se(sd_netlink_message_enter_container(message, IFLA_PROTINFO) >= 0); |
| assert_se(sd_netlink_message_read_u32(message, IFLA_BRPORT_COST, &cost) >= 0); |
| assert_se(cost == 10); |
| assert_se(sd_netlink_message_exit_container(message) >= 0); |
| } |
| |
| TEST(message_getlink) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *message = NULL, *reply = NULL; |
| int ifindex; |
| uint8_t u8_data; |
| uint16_t u16_data; |
| uint32_t u32_data; |
| const char *str_data; |
| struct ether_addr eth_data; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| ifindex = (int) if_nametoindex("lo"); |
| |
| /* we'd really like to test NEWLINK, but let's not mess with the running kernel */ |
| assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_GETLINK, ifindex) >= 0); |
| assert_se(sd_netlink_call(rtnl, message, 0, &reply) == 1); |
| |
| /* u8 */ |
| assert_se(sd_netlink_message_read_u8(reply, IFLA_CARRIER, &u8_data) >= 0); |
| assert_se(sd_netlink_message_read_u8(reply, IFLA_OPERSTATE, &u8_data) >= 0); |
| assert_se(sd_netlink_message_read_u8(reply, IFLA_LINKMODE, &u8_data) >= 0); |
| |
| /* u16 */ |
| assert_se(sd_netlink_message_get_type(reply, &u16_data) >= 0); |
| assert_se(u16_data == RTM_NEWLINK); |
| |
| /* u32 */ |
| assert_se(sd_netlink_message_read_u32(reply, IFLA_MTU, &u32_data) >= 0); |
| assert_se(sd_netlink_message_read_u32(reply, IFLA_GROUP, &u32_data) >= 0); |
| assert_se(sd_netlink_message_read_u32(reply, IFLA_TXQLEN, &u32_data) >= 0); |
| assert_se(sd_netlink_message_read_u32(reply, IFLA_NUM_TX_QUEUES, &u32_data) >= 0); |
| assert_se(sd_netlink_message_read_u32(reply, IFLA_NUM_RX_QUEUES, &u32_data) >= 0); |
| |
| /* string */ |
| assert_se(sd_netlink_message_read_string(reply, IFLA_IFNAME, &str_data) >= 0); |
| |
| /* ether_addr */ |
| assert_se(sd_netlink_message_read_ether_addr(reply, IFLA_ADDRESS, ð_data) >= 0); |
| } |
| |
| TEST(message_address) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *message = NULL, *reply = NULL; |
| int ifindex; |
| struct in_addr in_data; |
| struct ifa_cacheinfo cache; |
| const char *label; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| ifindex = (int) if_nametoindex("lo"); |
| |
| assert_se(sd_rtnl_message_new_addr(rtnl, &message, RTM_GETADDR, ifindex, AF_INET) >= 0); |
| assert_se(sd_netlink_message_set_request_dump(message, true) >= 0); |
| assert_se(sd_netlink_call(rtnl, message, 0, &reply) == 1); |
| |
| assert_se(sd_netlink_message_read_in_addr(reply, IFA_LOCAL, &in_data) >= 0); |
| assert_se(sd_netlink_message_read_in_addr(reply, IFA_ADDRESS, &in_data) >= 0); |
| assert_se(sd_netlink_message_read_string(reply, IFA_LABEL, &label) >= 0); |
| assert_se(sd_netlink_message_read_cache_info(reply, IFA_CACHEINFO, &cache) == 0); |
| } |
| |
| TEST(message_route) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; |
| struct in_addr addr, addr_data; |
| uint32_t index = 2, u32_data; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| |
| assert_se(sd_rtnl_message_new_route(rtnl, &req, RTM_NEWROUTE, AF_INET, RTPROT_STATIC) >= 0); |
| |
| addr.s_addr = htobe32(INADDR_LOOPBACK); |
| |
| assert_se(sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &addr) >= 0); |
| assert_se(sd_netlink_message_append_u32(req, RTA_OIF, index) >= 0); |
| |
| assert_se(sd_netlink_message_rewind(req, rtnl) >= 0); |
| |
| assert_se(sd_netlink_message_read_in_addr(req, RTA_GATEWAY, &addr_data) >= 0); |
| assert_se(addr_data.s_addr == addr.s_addr); |
| |
| assert_se(sd_netlink_message_read_u32(req, RTA_OIF, &u32_data) >= 0); |
| assert_se(u32_data == index); |
| |
| assert_se((req = sd_netlink_message_unref(req)) == NULL); |
| } |
| |
| static int link_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { |
| const char *data; |
| |
| assert_se(rtnl); |
| assert_se(m); |
| |
| assert_se(streq_ptr(userdata, "foo")); |
| |
| assert_se(sd_netlink_message_read_string(m, IFLA_IFNAME, &data) >= 0); |
| assert_se(streq(data, "lo")); |
| |
| log_info("%s: got link info about %s", __func__, data); |
| return 1; |
| } |
| |
| TEST(netlink_event_loop) { |
| _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; |
| _cleanup_free_ char *userdata = NULL; |
| int ifindex; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| ifindex = (int) if_nametoindex("lo"); |
| |
| assert_se(userdata = strdup("foo")); |
| |
| assert_se(sd_event_default(&event) >= 0); |
| assert_se(sd_netlink_attach_event(rtnl, event, 0) >= 0); |
| |
| assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); |
| assert_se(sd_netlink_call_async(rtnl, NULL, m, link_handler, NULL, userdata, 0, NULL) >= 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 void test_async_destroy(void *userdata) { |
| } |
| |
| TEST(netlink_call_async) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *reply = NULL; |
| _cleanup_(sd_netlink_slot_unrefp) sd_netlink_slot *slot = NULL; |
| _cleanup_free_ char *userdata = NULL; |
| sd_netlink_destroy_t destroy_callback; |
| const char *description; |
| int ifindex; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| ifindex = (int) if_nametoindex("lo"); |
| |
| assert_se(userdata = strdup("foo")); |
| |
| assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); |
| assert_se(sd_netlink_call_async(rtnl, &slot, m, link_handler, test_async_destroy, userdata, 0, "hogehoge") >= 0); |
| |
| assert_se(sd_netlink_slot_get_netlink(slot) == rtnl); |
| |
| assert_se(sd_netlink_slot_get_userdata(slot) == userdata); |
| assert_se(sd_netlink_slot_set_userdata(slot, NULL) == userdata); |
| assert_se(sd_netlink_slot_get_userdata(slot) == NULL); |
| assert_se(sd_netlink_slot_set_userdata(slot, userdata) == NULL); |
| assert_se(sd_netlink_slot_get_userdata(slot) == userdata); |
| |
| assert_se(sd_netlink_slot_get_destroy_callback(slot, &destroy_callback) == 1); |
| assert_se(destroy_callback == test_async_destroy); |
| assert_se(sd_netlink_slot_set_destroy_callback(slot, NULL) >= 0); |
| assert_se(sd_netlink_slot_get_destroy_callback(slot, &destroy_callback) == 0); |
| assert_se(destroy_callback == NULL); |
| assert_se(sd_netlink_slot_set_destroy_callback(slot, test_async_destroy) >= 0); |
| assert_se(sd_netlink_slot_get_destroy_callback(slot, &destroy_callback) == 1); |
| assert_se(destroy_callback == test_async_destroy); |
| |
| assert_se(sd_netlink_slot_get_floating(slot) == 0); |
| assert_se(sd_netlink_slot_set_floating(slot, 1) == 1); |
| assert_se(sd_netlink_slot_get_floating(slot) == 1); |
| |
| assert_se(sd_netlink_slot_get_description(slot, &description) == 1); |
| assert_se(streq(description, "hogehoge")); |
| assert_se(sd_netlink_slot_set_description(slot, NULL) >= 0); |
| assert_se(sd_netlink_slot_get_description(slot, &description) == 0); |
| assert_se(description == NULL); |
| |
| assert_se(sd_netlink_wait(rtnl, 0) >= 0); |
| assert_se(sd_netlink_process(rtnl, &reply) >= 0); |
| |
| assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); |
| } |
| |
| struct test_async_object { |
| unsigned n_ref; |
| char *ifname; |
| }; |
| |
| static struct test_async_object *test_async_object_free(struct test_async_object *t) { |
| assert_se(t); |
| |
| free(t->ifname); |
| return mfree(t); |
| } |
| |
| DEFINE_PRIVATE_TRIVIAL_REF_UNREF_FUNC(struct test_async_object, test_async_object, test_async_object_free); |
| DEFINE_TRIVIAL_CLEANUP_FUNC(struct test_async_object *, test_async_object_unref); |
| |
| static int link_handler2(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { |
| struct test_async_object *t = userdata; |
| const char *data; |
| |
| assert_se(rtnl); |
| assert_se(m); |
| assert_se(userdata); |
| |
| log_info("%s: got link info about %s", __func__, t->ifname); |
| |
| assert_se(sd_netlink_message_read_string(m, IFLA_IFNAME, &data) >= 0); |
| assert_se(streq(data, "lo")); |
| |
| return 1; |
| } |
| |
| static void test_async_object_destroy(void *userdata) { |
| struct test_async_object *t = userdata; |
| |
| assert_se(userdata); |
| |
| log_info("%s: n_ref=%u", __func__, t->n_ref); |
| test_async_object_unref(t); |
| } |
| |
| TEST(async_destroy_callback) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *reply = NULL; |
| _cleanup_(test_async_object_unrefp) struct test_async_object *t = NULL; |
| _cleanup_(sd_netlink_slot_unrefp) sd_netlink_slot *slot = NULL; |
| int ifindex; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| ifindex = (int) if_nametoindex("lo"); |
| |
| assert_se(t = new(struct test_async_object, 1)); |
| *t = (struct test_async_object) { |
| .n_ref = 1, |
| }; |
| assert_se(t->ifname = strdup("lo")); |
| |
| /* destroy callback is called after processing message */ |
| assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); |
| assert_se(sd_netlink_call_async(rtnl, NULL, m, link_handler2, test_async_object_destroy, t, 0, NULL) >= 0); |
| |
| assert_se(t->n_ref == 1); |
| assert_se(test_async_object_ref(t)); |
| assert_se(t->n_ref == 2); |
| |
| assert_se(sd_netlink_wait(rtnl, 0) >= 0); |
| assert_se(sd_netlink_process(rtnl, &reply) == 1); |
| assert_se(t->n_ref == 1); |
| |
| assert_se(!sd_netlink_message_unref(m)); |
| |
| /* destroy callback is called when asynchronous call is cancelled, that is, slot is freed. */ |
| assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); |
| assert_se(sd_netlink_call_async(rtnl, &slot, m, link_handler2, test_async_object_destroy, t, 0, NULL) >= 0); |
| |
| assert_se(t->n_ref == 1); |
| assert_se(test_async_object_ref(t)); |
| assert_se(t->n_ref == 2); |
| |
| assert_se(!(slot = sd_netlink_slot_unref(slot))); |
| assert_se(t->n_ref == 1); |
| |
| assert_se(!sd_netlink_message_unref(m)); |
| |
| /* destroy callback is also called by sd_netlink_unref() */ |
| assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); |
| assert_se(sd_netlink_call_async(rtnl, NULL, m, link_handler2, test_async_object_destroy, t, 0, NULL) >= 0); |
| |
| assert_se(t->n_ref == 1); |
| assert_se(test_async_object_ref(t)); |
| assert_se(t->n_ref == 2); |
| |
| assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); |
| assert_se(t->n_ref == 1); |
| } |
| |
| static int pipe_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { |
| int *counter = userdata; |
| int r; |
| |
| (*counter)--; |
| |
| r = sd_netlink_message_get_errno(m); |
| |
| log_info_errno(r, "%d left in pipe. got reply: %m", *counter); |
| |
| assert_se(r >= 0); |
| |
| return 1; |
| } |
| |
| TEST(pipe) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m1 = NULL, *m2 = NULL; |
| int ifindex, counter = 0; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| ifindex = (int) if_nametoindex("lo"); |
| |
| 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, NULL, m1, pipe_handler, NULL, &counter, 0, NULL) >= 0); |
| |
| counter++; |
| assert_se(sd_netlink_call_async(rtnl, NULL, m2, pipe_handler, NULL, &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); |
| } |
| |
| TEST(message_container) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL; |
| uint16_t u16_data; |
| uint32_t u32_data; |
| const char *string_data; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| |
| assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0); |
| |
| assert_se(sd_netlink_message_open_container(m, IFLA_LINKINFO) >= 0); |
| assert_se(sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "vlan") >= 0); |
| assert_se(sd_netlink_message_append_u16(m, IFLA_VLAN_ID, 100) >= 0); |
| assert_se(sd_netlink_message_close_container(m) >= 0); |
| assert_se(sd_netlink_message_close_container(m) >= 0); |
| |
| assert_se(sd_netlink_message_rewind(m, rtnl) >= 0); |
| |
| assert_se(sd_netlink_message_enter_container(m, IFLA_LINKINFO) >= 0); |
| assert_se(sd_netlink_message_read_string(m, IFLA_INFO_KIND, &string_data) >= 0); |
| assert_se(streq("vlan", string_data)); |
| |
| assert_se(sd_netlink_message_enter_container(m, IFLA_INFO_DATA) >= 0); |
| assert_se(sd_netlink_message_read_u16(m, IFLA_VLAN_ID, &u16_data) >= 0); |
| assert_se(sd_netlink_message_exit_container(m) >= 0); |
| |
| assert_se(sd_netlink_message_read_string(m, IFLA_INFO_KIND, &string_data) >= 0); |
| assert_se(streq("vlan", string_data)); |
| assert_se(sd_netlink_message_exit_container(m) >= 0); |
| |
| assert_se(sd_netlink_message_read_u32(m, IFLA_LINKINFO, &u32_data) < 0); |
| } |
| |
| TEST(sd_netlink_add_match) { |
| _cleanup_(sd_netlink_slot_unrefp) sd_netlink_slot *s1 = NULL, *s2 = NULL; |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| |
| assert_se(sd_netlink_add_match(rtnl, &s1, RTM_NEWLINK, link_handler, NULL, NULL, NULL) >= 0); |
| assert_se(sd_netlink_add_match(rtnl, &s2, RTM_NEWLINK, link_handler, NULL, NULL, NULL) >= 0); |
| assert_se(sd_netlink_add_match(rtnl, NULL, RTM_NEWLINK, link_handler, NULL, NULL, NULL) >= 0); |
| |
| assert_se(!(s1 = sd_netlink_slot_unref(s1))); |
| assert_se(!(s2 = sd_netlink_slot_unref(s2))); |
| |
| assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); |
| } |
| |
| TEST(dump_addresses) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| |
| assert_se(sd_rtnl_message_new_addr(rtnl, &req, RTM_GETADDR, 0, AF_UNSPEC) >= 0); |
| assert_se(sd_netlink_message_set_request_dump(req, true) >= 0); |
| assert_se(sd_netlink_call(rtnl, req, 0, &reply) >= 0); |
| |
| for (sd_netlink_message *m = reply; m; m = sd_netlink_message_next(m)) { |
| uint16_t type; |
| unsigned char scope, flags; |
| int family, ifindex; |
| |
| assert_se(sd_netlink_message_get_type(m, &type) >= 0); |
| assert_se(type == RTM_NEWADDR); |
| |
| assert_se(sd_rtnl_message_addr_get_ifindex(m, &ifindex) >= 0); |
| assert_se(sd_rtnl_message_addr_get_family(m, &family) >= 0); |
| assert_se(sd_rtnl_message_addr_get_scope(m, &scope) >= 0); |
| assert_se(sd_rtnl_message_addr_get_flags(m, &flags) >= 0); |
| |
| assert_se(ifindex > 0); |
| assert_se(IN_SET(family, AF_INET, AF_INET6)); |
| |
| log_info("got IPv%i address on ifindex %i", family == AF_INET ? 4 : 6, ifindex); |
| } |
| } |
| |
| TEST(sd_netlink_message_get_errno) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| |
| assert_se(message_new_synthetic_error(rtnl, -ETIMEDOUT, 1, &m) >= 0); |
| assert_se(sd_netlink_message_get_errno(m) == -ETIMEDOUT); |
| } |
| |
| TEST(message_array) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *genl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL; |
| |
| assert_se(sd_genl_socket_open(&genl) >= 0); |
| assert_se(sd_genl_message_new(genl, CTRL_GENL_NAME, CTRL_CMD_GETFAMILY, &m) >= 0); |
| |
| assert_se(sd_netlink_message_open_container(m, CTRL_ATTR_MCAST_GROUPS) >= 0); |
| for (unsigned i = 0; i < 10; i++) { |
| char name[STRLEN("hoge") + DECIMAL_STR_MAX(uint32_t)]; |
| uint32_t id = i + 1000; |
| |
| xsprintf(name, "hoge%" PRIu32, id); |
| assert_se(sd_netlink_message_open_array(m, i + 1) >= 0); |
| assert_se(sd_netlink_message_append_u32(m, CTRL_ATTR_MCAST_GRP_ID, id) >= 0); |
| assert_se(sd_netlink_message_append_string(m, CTRL_ATTR_MCAST_GRP_NAME, name) >= 0); |
| assert_se(sd_netlink_message_close_container(m) >= 0); |
| } |
| assert_se(sd_netlink_message_close_container(m) >= 0); |
| |
| message_seal(m); |
| assert_se(sd_netlink_message_rewind(m, genl) >= 0); |
| |
| assert_se(sd_netlink_message_enter_container(m, CTRL_ATTR_MCAST_GROUPS) >= 0); |
| for (unsigned i = 0; i < 10; i++) { |
| char expected[STRLEN("hoge") + DECIMAL_STR_MAX(uint32_t)]; |
| const char *name; |
| uint32_t id; |
| |
| assert_se(sd_netlink_message_enter_array(m, i + 1) >= 0); |
| assert_se(sd_netlink_message_read_u32(m, CTRL_ATTR_MCAST_GRP_ID, &id) >= 0); |
| assert_se(sd_netlink_message_read_string(m, CTRL_ATTR_MCAST_GRP_NAME, &name) >= 0); |
| assert_se(sd_netlink_message_exit_container(m) >= 0); |
| |
| assert_se(id == i + 1000); |
| xsprintf(expected, "hoge%" PRIu32, id); |
| assert_se(streq(name, expected)); |
| } |
| assert_se(sd_netlink_message_exit_container(m) >= 0); |
| } |
| |
| TEST(message_strv) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL; |
| _cleanup_strv_free_ char **names_in = NULL, **names_out; |
| const char *p; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| |
| assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINKPROP, 1) >= 0); |
| |
| for (unsigned i = 0; i < 10; i++) { |
| char name[STRLEN("hoge") + DECIMAL_STR_MAX(uint32_t)]; |
| |
| xsprintf(name, "hoge%" PRIu32, i + 1000); |
| assert_se(strv_extend(&names_in, name) >= 0); |
| } |
| |
| assert_se(sd_netlink_message_open_container(m, IFLA_PROP_LIST) >= 0); |
| assert_se(sd_netlink_message_append_strv(m, IFLA_ALT_IFNAME, (const char**) names_in) >= 0); |
| assert_se(sd_netlink_message_close_container(m) >= 0); |
| |
| message_seal(m); |
| assert_se(sd_netlink_message_rewind(m, rtnl) >= 0); |
| |
| assert_se(sd_netlink_message_read_strv(m, IFLA_PROP_LIST, IFLA_ALT_IFNAME, &names_out) >= 0); |
| assert_se(strv_equal(names_in, names_out)); |
| |
| assert_se(sd_netlink_message_enter_container(m, IFLA_PROP_LIST) >= 0); |
| assert_se(sd_netlink_message_read_string(m, IFLA_ALT_IFNAME, &p) >= 0); |
| assert_se(streq(p, "hoge1009")); |
| assert_se(sd_netlink_message_exit_container(m) >= 0); |
| } |
| |
| static int genl_ctrl_match_callback(sd_netlink *genl, sd_netlink_message *m, void *userdata) { |
| const char *name; |
| uint16_t id; |
| uint8_t cmd; |
| |
| assert_se(genl); |
| assert_se(m); |
| |
| assert_se(sd_genl_message_get_family_name(genl, m, &name) >= 0); |
| assert_se(streq(name, CTRL_GENL_NAME)); |
| |
| assert_se(sd_genl_message_get_command(genl, m, &cmd) >= 0); |
| |
| switch (cmd) { |
| case CTRL_CMD_NEWFAMILY: |
| case CTRL_CMD_DELFAMILY: |
| assert_se(sd_netlink_message_read_string(m, CTRL_ATTR_FAMILY_NAME, &name) >= 0); |
| assert_se(sd_netlink_message_read_u16(m, CTRL_ATTR_FAMILY_ID, &id) >= 0); |
| log_debug("%s: %s (id=%"PRIu16") family is %s.", |
| __func__, name, id, cmd == CTRL_CMD_NEWFAMILY ? "added" : "removed"); |
| break; |
| case CTRL_CMD_NEWMCAST_GRP: |
| case CTRL_CMD_DELMCAST_GRP: |
| assert_se(sd_netlink_message_read_string(m, CTRL_ATTR_FAMILY_NAME, &name) >= 0); |
| assert_se(sd_netlink_message_read_u16(m, CTRL_ATTR_FAMILY_ID, &id) >= 0); |
| log_debug("%s: multicast group for %s (id=%"PRIu16") family is %s.", |
| __func__, name, id, cmd == CTRL_CMD_NEWMCAST_GRP ? "added" : "removed"); |
| break; |
| default: |
| log_debug("%s: received nlctrl message with unknown command '%"PRIu8"'.", __func__, cmd); |
| } |
| |
| return 0; |
| } |
| |
| TEST(genl) { |
| _cleanup_(sd_event_unrefp) sd_event *event = NULL; |
| _cleanup_(sd_netlink_unrefp) sd_netlink *genl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL; |
| const char *name; |
| uint8_t cmd; |
| int r; |
| |
| assert_se(sd_genl_socket_open(&genl) >= 0); |
| assert_se(sd_event_default(&event) >= 0); |
| assert_se(sd_netlink_attach_event(genl, event, 0) >= 0); |
| |
| assert_se(sd_genl_message_new(genl, CTRL_GENL_NAME, CTRL_CMD_GETFAMILY, &m) >= 0); |
| assert_se(sd_genl_message_get_family_name(genl, m, &name) >= 0); |
| assert_se(streq(name, CTRL_GENL_NAME)); |
| assert_se(sd_genl_message_get_command(genl, m, &cmd) >= 0); |
| assert_se(cmd == CTRL_CMD_GETFAMILY); |
| |
| assert_se(sd_genl_add_match(genl, NULL, CTRL_GENL_NAME, "notify", 0, genl_ctrl_match_callback, NULL, NULL, "genl-ctrl-notify") >= 0); |
| |
| m = sd_netlink_message_unref(m); |
| assert_se(sd_genl_message_new(genl, "should-not-exist", CTRL_CMD_GETFAMILY, &m) < 0); |
| assert_se(sd_genl_message_new(genl, "should-not-exist", CTRL_CMD_GETFAMILY, &m) == -EOPNOTSUPP); |
| |
| /* These families may not be supported by kernel. Hence, ignore results. */ |
| (void) sd_genl_message_new(genl, FOU_GENL_NAME, 0, &m); |
| m = sd_netlink_message_unref(m); |
| (void) sd_genl_message_new(genl, L2TP_GENL_NAME, 0, &m); |
| m = sd_netlink_message_unref(m); |
| (void) sd_genl_message_new(genl, MACSEC_GENL_NAME, 0, &m); |
| m = sd_netlink_message_unref(m); |
| (void) sd_genl_message_new(genl, NL80211_GENL_NAME, 0, &m); |
| m = sd_netlink_message_unref(m); |
| (void) sd_genl_message_new(genl, NETLBL_NLTYPE_UNLABELED_NAME, 0, &m); |
| |
| for (;;) { |
| r = sd_event_run(event, 500 * USEC_PER_MSEC); |
| assert_se(r >= 0); |
| if (r == 0) |
| return; |
| } |
| } |
| |
| static void remove_dummy_interfacep(int *ifindex) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *message = NULL; |
| |
| if (!ifindex || *ifindex <= 0) |
| return; |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| |
| assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_DELLINK, *ifindex) >= 0); |
| assert_se(sd_netlink_call(rtnl, message, 0, NULL) == 1); |
| } |
| |
| TEST(rtnl_set_link_name) { |
| _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; |
| _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *message = NULL, *reply = NULL; |
| _cleanup_(remove_dummy_interfacep) int ifindex = 0; |
| _cleanup_strv_free_ char **alternative_names = NULL; |
| int r; |
| |
| if (geteuid() != 0) |
| return (void) log_tests_skipped("not root"); |
| |
| assert_se(sd_netlink_open(&rtnl) >= 0); |
| |
| assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_NEWLINK, 0) >= 0); |
| assert_se(sd_netlink_message_append_string(message, IFLA_IFNAME, "test-netlink") >= 0); |
| assert_se(sd_netlink_message_open_container(message, IFLA_LINKINFO) >= 0); |
| assert_se(sd_netlink_message_append_string(message, IFLA_INFO_KIND, "dummy") >= 0); |
| r = sd_netlink_call(rtnl, message, 0, &reply); |
| if (r == -EPERM) |
| return (void) log_tests_skipped("missing required capabilities"); |
| if (r == -EOPNOTSUPP) |
| return (void) log_tests_skipped("dummy network interface is not supported"); |
| assert_se(r >= 0); |
| |
| message = sd_netlink_message_unref(message); |
| reply = sd_netlink_message_unref(reply); |
| |
| assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_GETLINK, 0) >= 0); |
| assert_se(sd_netlink_message_append_string(message, IFLA_IFNAME, "test-netlink") >= 0); |
| assert_se(sd_netlink_call(rtnl, message, 0, &reply) == 1); |
| |
| assert_se(sd_rtnl_message_link_get_ifindex(reply, &ifindex) >= 0); |
| assert_se(ifindex > 0); |
| |
| /* Test that the new name (which is currently an alternative name) is |
| * restored as an alternative name on error. Create an error by using |
| * an invalid device name, namely one that exceeds IFNAMSIZ |
| * (alternative names can exceed IFNAMSIZ, but not regular names). */ |
| r = rtnl_set_link_alternative_names(&rtnl, ifindex, STRV_MAKE("testlongalternativename", "test-shortname")); |
| if (r == -EPERM) |
| return (void) log_tests_skipped("missing required capabilities"); |
| if (r == -EOPNOTSUPP) |
| return (void) log_tests_skipped("alternative name is not supported"); |
| assert_se(r >= 0); |
| |
| assert_se(rtnl_get_link_alternative_names(&rtnl, ifindex, &alternative_names) >= 0); |
| assert_se(strv_contains(alternative_names, "testlongalternativename")); |
| assert_se(strv_contains(alternative_names, "test-shortname")); |
| |
| assert_se(rtnl_set_link_name(&rtnl, ifindex, "testlongalternativename") == -EINVAL); |
| assert_se(rtnl_set_link_name(&rtnl, ifindex, "test-shortname") >= 0); |
| |
| alternative_names = strv_free(alternative_names); |
| assert_se(rtnl_get_link_alternative_names(&rtnl, ifindex, &alternative_names) >= 0); |
| assert_se(strv_contains(alternative_names, "testlongalternativename")); |
| assert_se(!strv_contains(alternative_names, "test-shortname")); |
| |
| assert_se(rtnl_delete_link_alternative_names(&rtnl, ifindex, STRV_MAKE("testlongalternativename")) >= 0); |
| |
| alternative_names = strv_free(alternative_names); |
| assert_se(rtnl_get_link_alternative_names(&rtnl, ifindex, &alternative_names) >= 0); |
| assert_se(!strv_contains(alternative_names, "testlongalternativename")); |
| assert_se(!strv_contains(alternative_names, "test-shortname")); |
| } |
| |
| DEFINE_TEST_MAIN(LOG_DEBUG); |