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src.rivoreo.one / systemd-stable / v245-rc2 / . / src / libsystemd / sd-netlink / test-netlink.c
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/* SPDX-License-Identifier: LGPL-2.1+ */
#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, PF_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, &eth_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;
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 = htonl(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;
}