diff options
Diffstat (limited to 'src/libsystemd/sd-netlink/test-netlink.c')
| -rw-r--r-- | src/libsystemd/sd-netlink/test-netlink.c | 642 |
1 files changed, 642 insertions, 0 deletions
diff --git a/src/libsystemd/sd-netlink/test-netlink.c b/src/libsystemd/sd-netlink/test-netlink.c new file mode 100644 index 0000000..41787c5 --- /dev/null +++ b/src/libsystemd/sd-netlink/test-netlink.c @@ -0,0 +1,642 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <net/if.h> +#include <netinet/ether.h> +#include <linux/genetlink.h> + +#include "sd-netlink.h" + +#include "alloc-util.h" +#include "ether-addr-util.h" +#include "macro.h" +#include "netlink-util.h" +#include "socket-util.h" +#include "stdio-util.h" +#include "string-util.h" +#include "strv.h" +#include "util.h" + +static void test_message_link_bridge(sd_netlink *rtnl) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *message = NULL; + uint32_t cost; + + 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, NULL) >= 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); +} + +static void test_link_configure(sd_netlink *rtnl, int ifindex) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *message = NULL; + const char *mac = "98:fe:94:3f:c6:18", *name = "test"; + char buffer[ETHER_ADDR_TO_STRING_MAX]; + uint32_t mtu = 1450, mtu_out; + const char *name_out; + struct ether_addr mac_out; + + /* 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_message_append_string(message, IFLA_IFNAME, name) >= 0); + assert_se(sd_netlink_message_append_ether_addr(message, IFLA_ADDRESS, ether_aton(mac)) >= 0); + assert_se(sd_netlink_message_append_u32(message, IFLA_MTU, mtu) >= 0); + + assert_se(sd_netlink_call(rtnl, message, 0, NULL) == 1); + assert_se(sd_netlink_message_rewind(message, NULL) >= 0); + + assert_se(sd_netlink_message_read_string(message, IFLA_IFNAME, &name_out) >= 0); + assert_se(streq(name, name_out)); + + assert_se(sd_netlink_message_read_ether_addr(message, IFLA_ADDRESS, &mac_out) >= 0); + assert_se(streq(mac, ether_addr_to_string(&mac_out, buffer))); + + assert_se(sd_netlink_message_read_u32(message, IFLA_MTU, &mtu_out) >= 0); + assert_se(mtu == mtu_out); +} + +static void test_link_get(sd_netlink *rtnl, int ifindex) { + sd_netlink_message *m; + sd_netlink_message *r; + uint32_t mtu = 1500; + const char *str_data; + uint8_t u8_data; + uint32_t u32_data; + struct ether_addr eth_data; + + assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0); + assert_se(m); + + /* u8 test cases */ + assert_se(sd_netlink_message_append_u8(m, IFLA_CARRIER, 0) >= 0); + assert_se(sd_netlink_message_append_u8(m, IFLA_OPERSTATE, 0) >= 0); + assert_se(sd_netlink_message_append_u8(m, IFLA_LINKMODE, 0) >= 0); + + /* u32 test cases */ + assert_se(sd_netlink_message_append_u32(m, IFLA_MTU, mtu) >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_GROUP, 0) >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_TXQLEN, 0) >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_NUM_TX_QUEUES, 0) >= 0); + assert_se(sd_netlink_message_append_u32(m, IFLA_NUM_RX_QUEUES, 0) >= 0); + + assert_se(sd_netlink_call(rtnl, m, -1, &r) == 1); + + assert_se(sd_netlink_message_read_string(r, IFLA_IFNAME, &str_data) == 0); + + assert_se(sd_netlink_message_read_u8(r, IFLA_CARRIER, &u8_data) == 0); + assert_se(sd_netlink_message_read_u8(r, IFLA_OPERSTATE, &u8_data) == 0); + assert_se(sd_netlink_message_read_u8(r, IFLA_LINKMODE, &u8_data) == 0); + + assert_se(sd_netlink_message_read_u32(r, IFLA_MTU, &u32_data) == 0); + assert_se(sd_netlink_message_read_u32(r, IFLA_GROUP, &u32_data) == 0); + assert_se(sd_netlink_message_read_u32(r, IFLA_TXQLEN, &u32_data) == 0); + assert_se(sd_netlink_message_read_u32(r, IFLA_NUM_TX_QUEUES, &u32_data) == 0); + assert_se(sd_netlink_message_read_u32(r, IFLA_NUM_RX_QUEUES, &u32_data) == 0); + + assert_se(sd_netlink_message_read_ether_addr(r, IFLA_ADDRESS, ð_data) == 0); + + assert_se((m = sd_netlink_message_unref(m)) == NULL); + assert_se((r = sd_netlink_message_unref(r)) == NULL); +} + +static void test_address_get(sd_netlink *rtnl, int ifindex) { + sd_netlink_message *m; + sd_netlink_message *r; + struct in_addr in_data; + struct ifa_cacheinfo cache; + const char *label; + + assert_se(sd_rtnl_message_new_addr(rtnl, &m, RTM_GETADDR, ifindex, AF_INET) >= 0); + assert_se(m); + + assert_se(sd_netlink_call(rtnl, m, -1, &r) == 1); + + assert_se(sd_netlink_message_read_in_addr(r, IFA_LOCAL, &in_data) == 0); + assert_se(sd_netlink_message_read_in_addr(r, IFA_ADDRESS, &in_data) == 0); + assert_se(sd_netlink_message_read_string(r, IFA_LABEL, &label) == 0); + assert_se(sd_netlink_message_read_cache_info(r, IFA_CACHEINFO, &cache) == 0); + + assert_se((m = sd_netlink_message_unref(m)) == NULL); + assert_se((r = sd_netlink_message_unref(r)) == NULL); + +} + +static void test_route(sd_netlink *rtnl) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL; + struct in_addr addr, addr_data; + uint32_t index = 2, u32_data; + int r; + + r = sd_rtnl_message_new_route(rtnl, &req, RTM_NEWROUTE, AF_INET, RTPROT_STATIC); + if (r < 0) { + log_error_errno(r, "Could not create RTM_NEWROUTE message: %m"); + return; + } + + addr.s_addr = htobe32(INADDR_LOOPBACK); + + r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &addr); + if (r < 0) { + log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m"); + return; + } + + r = sd_netlink_message_append_u32(req, RTA_OIF, index); + if (r < 0) { + log_error_errno(r, "Could not append RTA_OIF attribute: %m"); + return; + } + + assert_se(sd_netlink_message_rewind(req, NULL) >= 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 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); +} + +static int link_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) { + char *ifname = userdata; + const char *data; + + assert_se(rtnl); + assert_se(m); + assert_se(userdata); + + log_info("%s: got link info about %s", __func__, ifname); + free(ifname); + + assert_se(sd_netlink_message_read_string(m, IFLA_IFNAME, &data) >= 0); + assert_se(streq(data, "lo")); + + return 1; +} + +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, NULL, m, link_handler, NULL, 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 void test_async_destroy(void *userdata) { +} + +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; + _cleanup_(sd_netlink_slot_unrefp) sd_netlink_slot *slot = NULL; + sd_netlink_destroy_t destroy_callback; + const char *description; + 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, &slot, m, link_handler, test_async_destroy, ifname, 0, "hogehoge") >= 0); + + assert_se(sd_netlink_slot_get_netlink(slot) == rtnl); + assert_se(sd_netlink_slot_get_userdata(slot) == ifname); + 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_get_description(slot, &description) == 1); + assert_se(streq(description, "hogehoge")); + + assert_se(sd_netlink_wait(rtnl, 0) >= 0); + assert_se(sd_netlink_process(rtnl, &r) >= 0); + + assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL); +} + +static void test_slot_set(int ifindex) { + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *r = NULL; + _cleanup_(sd_netlink_slot_unrefp) sd_netlink_slot *slot = NULL; + sd_netlink_destroy_t destroy_callback; + const char *description; + 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, &slot, m, link_handler, NULL, NULL, 0, NULL) >= 0); + + assert_se(sd_netlink_slot_get_netlink(slot) == rtnl); + assert_se(!sd_netlink_slot_get_userdata(slot)); + assert_se(!sd_netlink_slot_set_userdata(slot, ifname)); + assert_se(sd_netlink_slot_get_userdata(slot) == ifname); + assert_se(sd_netlink_slot_get_destroy_callback(slot, NULL) == 0); + 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, NULL) == 0); + assert_se(sd_netlink_slot_set_description(slot, "hogehoge") >= 0); + assert_se(sd_netlink_slot_get_description(slot, &description) == 1); + assert_se(streq(description, "hogehoge")); + + assert_se(sd_netlink_wait(rtnl, 0) >= 0); + assert_se(sd_netlink_process(rtnl, &r) >= 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(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(userdata); + + log_info("%s: n_ref=%u", __func__, t->n_ref); + test_async_object_unref(t); +} + +static void test_async_destroy_callback(int ifindex) { + _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL; + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *r = NULL; + _cleanup_(test_async_object_unrefp) struct test_async_object *t = NULL; + _cleanup_(sd_netlink_slot_unrefp) sd_netlink_slot *slot = NULL; + char *ifname; + + assert_se(t = new(struct test_async_object, 1)); + assert_se(ifname = strdup("lo")); + *t = (struct test_async_object) { + .n_ref = 1, + .ifname = ifname, + }; + + assert_se(sd_netlink_open(&rtnl) >= 0); + + /* 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, &r) == 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; +} + +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, 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); +} + +static void test_container(sd_netlink *rtnl) { + _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_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_append_string(m, IFLA_INFO_KIND, "vlan") >= 0); + assert_se(sd_netlink_message_close_container(m) >= 0); + assert_se(sd_netlink_message_close_container(m) == -EINVAL); + + assert_se(sd_netlink_message_rewind(m, NULL) >= 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); + + assert_se(sd_netlink_message_exit_container(m) == -EINVAL); +} + +static void test_match(void) { + _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); +} + +static void test_get_addresses(sd_netlink *rtnl) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL; + sd_netlink_message *m; + + assert_se(sd_rtnl_message_new_addr(rtnl, &req, RTM_GETADDR, 0, AF_UNSPEC) >= 0); + + assert_se(sd_netlink_call(rtnl, req, 0, &reply) >= 0); + + for (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%u address on ifindex %i", family == AF_INET ? 4: 6, ifindex); + } +} + +static void test_message(sd_netlink *rtnl) { + _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL; + + assert_se(rtnl_message_new_synthetic_error(rtnl, -ETIMEDOUT, 1, &m) >= 0); + assert_se(sd_netlink_message_get_errno(m) == -ETIMEDOUT); +} + +static void test_array(void) { + _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, SD_GENL_ID_CTRL, 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); + + rtnl_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); +} + +static void test_strv(sd_netlink *rtnl) { + _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_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, names_in) >= 0); + assert_se(sd_netlink_message_close_container(m) >= 0); + + rtnl_message_seal(m); + assert_se(sd_netlink_message_rewind(m, NULL) >= 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); +} + +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); + test_array(); + test_strv(rtnl); + + if_loopback = (int) if_nametoindex("lo"); + assert_se(if_loopback > 0); + + test_async(if_loopback); + test_slot_set(if_loopback); + test_async_destroy_callback(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; +} |