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New upstream version 249~rc1
[systemd.git] / src / libsystemd / sd-netlink / test-netlink.c
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a032b68d 1/* SPDX-License-Identifier: LGPL-2.1-or-later */
86f210e9 2
86f210e9 3#include <net/if.h>
db2df898 4#include <netinet/ether.h>
f2dec872 5#include <linux/genetlink.h>
86f210e9 6
86f210e9 7#include "sd-netlink.h"
db2df898 8
6e866b33 9#include "alloc-util.h"
db2df898 10#include "ether-addr-util.h"
db2df898 11#include "macro.h"
db2df898
MP		 12#include "netlink-util.h"
13#include "socket-util.h"
f2dec872 14#include "stdio-util.h"
db2df898 15#include "string-util.h"
46cdbd49 16#include "strv.h"
db2df898 17#include "util.h"
86f210e9
MP		 18
19static void test_message_link_bridge(sd_netlink *rtnl) {
4c89c718 20 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *message = NULL;
86f210e9
MP		 21 uint32_t cost;
22
23 assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_NEWLINK, 1) >= 0);
a032b68d 24 assert_se(sd_rtnl_message_link_set_family(message, AF_BRIDGE) >= 0);
86f210e9
MP		 25 assert_se(sd_netlink_message_open_container(message, IFLA_PROTINFO) >= 0);
26 assert_se(sd_netlink_message_append_u32(message, IFLA_BRPORT_COST, 10) >= 0);
27 assert_se(sd_netlink_message_close_container(message) >= 0);
28
e1f67bc7 29 assert_se(sd_netlink_message_rewind(message, NULL) >= 0);
86f210e9
MP		 30
31 assert_se(sd_netlink_message_enter_container(message, IFLA_PROTINFO) >= 0);
32 assert_se(sd_netlink_message_read_u32(message, IFLA_BRPORT_COST, &cost) >= 0);
33 assert_se(cost == 10);
34 assert_se(sd_netlink_message_exit_container(message) >= 0);
35}
36
37static void test_link_configure(sd_netlink *rtnl, int ifindex) {
8b3d4ff0
MB		 38 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *message = NULL, *reply = NULL;
39 uint32_t mtu_out;
86f210e9
MP		 40 const char *name_out;
41 struct ether_addr mac_out;
42
43 /* we'd really like to test NEWLINK, but let's not mess with the running kernel */
44 assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_GETLINK, ifindex) >= 0);
86f210e9 45
8b3d4ff0 46 assert_se(sd_netlink_call(rtnl, message, 0, &reply) == 1);
86f210e9 47
8b3d4ff0
MB		 48 assert_se(sd_netlink_message_read_string(reply, IFLA_IFNAME, &name_out) >= 0);
49 assert_se(sd_netlink_message_read_ether_addr(reply, IFLA_ADDRESS, &mac_out) >= 0);
50 assert_se(sd_netlink_message_read_u32(reply, IFLA_MTU, &mtu_out) >= 0);
86f210e9
MP		 51}
52
53static void test_link_get(sd_netlink *rtnl, int ifindex) {
8b3d4ff0 54 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *r = NULL;
86f210e9
MP		 55 const char *str_data;
56 uint8_t u8_data;
57 uint32_t u32_data;
58 struct ether_addr eth_data;
59
60 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
61 assert_se(m);
62
8b3d4ff0 63 assert_se(sd_netlink_call(rtnl, m, 0, &r) == 1);
86f210e9
MP		 64
65 assert_se(sd_netlink_message_read_string(r, IFLA_IFNAME, &str_data) == 0);
66
67 assert_se(sd_netlink_message_read_u8(r, IFLA_CARRIER, &u8_data) == 0);
68 assert_se(sd_netlink_message_read_u8(r, IFLA_OPERSTATE, &u8_data) == 0);
69 assert_se(sd_netlink_message_read_u8(r, IFLA_LINKMODE, &u8_data) == 0);
70
71 assert_se(sd_netlink_message_read_u32(r, IFLA_MTU, &u32_data) == 0);
72 assert_se(sd_netlink_message_read_u32(r, IFLA_GROUP, &u32_data) == 0);
73 assert_se(sd_netlink_message_read_u32(r, IFLA_TXQLEN, &u32_data) == 0);
74 assert_se(sd_netlink_message_read_u32(r, IFLA_NUM_TX_QUEUES, &u32_data) == 0);
75 assert_se(sd_netlink_message_read_u32(r, IFLA_NUM_RX_QUEUES, &u32_data) == 0);
76
77 assert_se(sd_netlink_message_read_ether_addr(r, IFLA_ADDRESS, &eth_data) == 0);
86f210e9
MP		 78}
79
86f210e9 80static void test_address_get(sd_netlink *rtnl, int ifindex) {
8b3d4ff0 81 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *r = NULL;
86f210e9
MP		 82 struct in_addr in_data;
83 struct ifa_cacheinfo cache;
84 const char *label;
85
86 assert_se(sd_rtnl_message_new_addr(rtnl, &m, RTM_GETADDR, ifindex, AF_INET) >= 0);
87 assert_se(m);
8b3d4ff0 88 assert_se(sd_netlink_message_request_dump(m, true) >= 0);
86f210e9
MP		 89 assert_se(sd_netlink_call(rtnl, m, -1, &r) == 1);
90
91 assert_se(sd_netlink_message_read_in_addr(r, IFA_LOCAL, &in_data) == 0);
92 assert_se(sd_netlink_message_read_in_addr(r, IFA_ADDRESS, &in_data) == 0);
93 assert_se(sd_netlink_message_read_string(r, IFA_LABEL, &label) == 0);
94 assert_se(sd_netlink_message_read_cache_info(r, IFA_CACHEINFO, &cache) == 0);
86f210e9
MP		 95}
96
1d42b86d 97static void test_route(sd_netlink *rtnl) {
20a6e51f 98 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL;
86f210e9
MP		 99 struct in_addr addr, addr_data;
100 uint32_t index = 2, u32_data;
101 int r;
102
1d42b86d 103 r = sd_rtnl_message_new_route(rtnl, &req, RTM_NEWROUTE, AF_INET, RTPROT_STATIC);
86f210e9
MP		 104 if (r < 0) {
105 log_error_errno(r, "Could not create RTM_NEWROUTE message: %m");
106 return;
107 }
108
a032b68d 109 addr.s_addr = htobe32(INADDR_LOOPBACK);
86f210e9
MP		 110
111 r = sd_netlink_message_append_in_addr(req, RTA_GATEWAY, &addr);
112 if (r < 0) {
113 log_error_errno(r, "Could not append RTA_GATEWAY attribute: %m");
114 return;
115 }
116
117 r = sd_netlink_message_append_u32(req, RTA_OIF, index);
118 if (r < 0) {
119 log_error_errno(r, "Could not append RTA_OIF attribute: %m");
120 return;
121 }
122
e1f67bc7 123 assert_se(sd_netlink_message_rewind(req, NULL) >= 0);
86f210e9
MP		 124
125 assert_se(sd_netlink_message_read_in_addr(req, RTA_GATEWAY, &addr_data) >= 0);
126 assert_se(addr_data.s_addr == addr.s_addr);
127
128 assert_se(sd_netlink_message_read_u32(req, RTA_OIF, &u32_data) >= 0);
129 assert_se(u32_data == index);
130
131 assert_se((req = sd_netlink_message_unref(req)) == NULL);
132}
133
134static void test_multiple(void) {
135 sd_netlink *rtnl1, *rtnl2;
136
137 assert_se(sd_netlink_open(&rtnl1) >= 0);
138 assert_se(sd_netlink_open(&rtnl2) >= 0);
139
140 rtnl1 = sd_netlink_unref(rtnl1);
141 rtnl2 = sd_netlink_unref(rtnl2);
142}
143
144static int link_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) {
145 char *ifname = userdata;
146 const char *data;
147
148 assert_se(rtnl);
149 assert_se(m);
6e866b33 150 assert_se(userdata);
86f210e9 151
6e866b33 152 log_info("%s: got link info about %s", __func__, ifname);
86f210e9
MP		 153 free(ifname);
154
155 assert_se(sd_netlink_message_read_string(m, IFLA_IFNAME, &data) >= 0);
156 assert_se(streq(data, "lo"));
157
158 return 1;
159}
160
161static void test_event_loop(int ifindex) {
4c89c718
MP		 162 _cleanup_(sd_event_unrefp) sd_event *event = NULL;
163 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
164 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL;
86f210e9
MP		 165 char *ifname;
166
167 ifname = strdup("lo2");
168 assert_se(ifname);
169
170 assert_se(sd_netlink_open(&rtnl) >= 0);
171 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
172
6e866b33 173 assert_se(sd_netlink_call_async(rtnl, NULL, m, link_handler, NULL, ifname, 0, NULL) >= 0);
86f210e9
MP		 174
175 assert_se(sd_event_default(&event) >= 0);
176
177 assert_se(sd_netlink_attach_event(rtnl, event, 0) >= 0);
178
179 assert_se(sd_event_run(event, 0) >= 0);
180
181 assert_se(sd_netlink_detach_event(rtnl) >= 0);
182
183 assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
184}
185
6e866b33
MB		 186static void test_async_destroy(void *userdata) {
187}
86f210e9 188
6e866b33
MB		 189static void test_async(int ifindex) {
190 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
191 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *r = NULL;
192 _cleanup_(sd_netlink_slot_unrefp) sd_netlink_slot *slot = NULL;
193 sd_netlink_destroy_t destroy_callback;
194 const char *description;
195 char *ifname;
86f210e9 196
6e866b33
MB		 197 ifname = strdup("lo");
198 assert_se(ifname);
86f210e9 199
6e866b33 200 assert_se(sd_netlink_open(&rtnl) >= 0);
86f210e9 201
6e866b33 202 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
86f210e9 203
6e866b33
MB		 204 assert_se(sd_netlink_call_async(rtnl, &slot, m, link_handler, test_async_destroy, ifname, 0, "hogehoge") >= 0);
205
206 assert_se(sd_netlink_slot_get_netlink(slot) == rtnl);
207 assert_se(sd_netlink_slot_get_userdata(slot) == ifname);
208 assert_se(sd_netlink_slot_get_destroy_callback(slot, &destroy_callback) == 1);
209 assert_se(destroy_callback == test_async_destroy);
210 assert_se(sd_netlink_slot_get_floating(slot) == 0);
211 assert_se(sd_netlink_slot_get_description(slot, &description) == 1);
212 assert_se(streq(description, "hogehoge"));
213
214 assert_se(sd_netlink_wait(rtnl, 0) >= 0);
215 assert_se(sd_netlink_process(rtnl, &r) >= 0);
216
217 assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
86f210e9
MP		 218}
219
6e866b33 220static void test_slot_set(int ifindex) {
4c89c718
MP		 221 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
222 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *r = NULL;
6e866b33
MB		 223 _cleanup_(sd_netlink_slot_unrefp) sd_netlink_slot *slot = NULL;
224 sd_netlink_destroy_t destroy_callback;
225 const char *description;
86f210e9
MP		 226 char *ifname;
227
228 ifname = strdup("lo");
229 assert_se(ifname);
230
231 assert_se(sd_netlink_open(&rtnl) >= 0);
232
233 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
234
6e866b33
MB		 235 assert_se(sd_netlink_call_async(rtnl, &slot, m, link_handler, NULL, NULL, 0, NULL) >= 0);
236
237 assert_se(sd_netlink_slot_get_netlink(slot) == rtnl);
238 assert_se(!sd_netlink_slot_get_userdata(slot));
239 assert_se(!sd_netlink_slot_set_userdata(slot, ifname));
240 assert_se(sd_netlink_slot_get_userdata(slot) == ifname);
241 assert_se(sd_netlink_slot_get_destroy_callback(slot, NULL) == 0);
242 assert_se(sd_netlink_slot_set_destroy_callback(slot, test_async_destroy) >= 0);
243 assert_se(sd_netlink_slot_get_destroy_callback(slot, &destroy_callback) == 1);
244 assert_se(destroy_callback == test_async_destroy);
245 assert_se(sd_netlink_slot_get_floating(slot) == 0);
246 assert_se(sd_netlink_slot_set_floating(slot, 1) == 1);
247 assert_se(sd_netlink_slot_get_floating(slot) == 1);
248 assert_se(sd_netlink_slot_get_description(slot, NULL) == 0);
249 assert_se(sd_netlink_slot_set_description(slot, "hogehoge") >= 0);
250 assert_se(sd_netlink_slot_get_description(slot, &description) == 1);
251 assert_se(streq(description, "hogehoge"));
86f210e9
MP		 252
253 assert_se(sd_netlink_wait(rtnl, 0) >= 0);
254 assert_se(sd_netlink_process(rtnl, &r) >= 0);
255
256 assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
257}
258
6e866b33
MB		 259struct test_async_object {
260 unsigned n_ref;
261 char *ifname;
262};
263
264static struct test_async_object *test_async_object_free(struct test_async_object *t) {
265 assert(t);
266
267 free(t->ifname);
268 return mfree(t);
269}
270
271DEFINE_PRIVATE_TRIVIAL_REF_UNREF_FUNC(struct test_async_object, test_async_object, test_async_object_free);
272DEFINE_TRIVIAL_CLEANUP_FUNC(struct test_async_object *, test_async_object_unref);
273
274static int link_handler2(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) {
275 struct test_async_object *t = userdata;
276 const char *data;
277
278 assert_se(rtnl);
279 assert_se(m);
280 assert_se(userdata);
281
282 log_info("%s: got link info about %s", __func__, t->ifname);
283
284 assert_se(sd_netlink_message_read_string(m, IFLA_IFNAME, &data) >= 0);
285 assert_se(streq(data, "lo"));
286
287 return 1;
288}
289
290static void test_async_object_destroy(void *userdata) {
291 struct test_async_object *t = userdata;
292
293 assert(userdata);
294
295 log_info("%s: n_ref=%u", __func__, t->n_ref);
296 test_async_object_unref(t);
297}
298
299static void test_async_destroy_callback(int ifindex) {
300 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
301 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL, *r = NULL;
302 _cleanup_(test_async_object_unrefp) struct test_async_object *t = NULL;
303 _cleanup_(sd_netlink_slot_unrefp) sd_netlink_slot *slot = NULL;
304 char *ifname;
305
306 assert_se(t = new(struct test_async_object, 1));
307 assert_se(ifname = strdup("lo"));
308 *t = (struct test_async_object) {
309 .n_ref = 1,
310 .ifname = ifname,
311 };
312
313 assert_se(sd_netlink_open(&rtnl) >= 0);
314
315 /* destroy callback is called after processing message */
316 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
317 assert_se(sd_netlink_call_async(rtnl, NULL, m, link_handler2, test_async_object_destroy, t, 0, NULL) >= 0);
318
319 assert_se(t->n_ref == 1);
320 assert_se(test_async_object_ref(t));
321 assert_se(t->n_ref == 2);
322
323 assert_se(sd_netlink_wait(rtnl, 0) >= 0);
324 assert_se(sd_netlink_process(rtnl, &r) == 1);
325 assert_se(t->n_ref == 1);
326
327 assert_se(!sd_netlink_message_unref(m));
328
329 /* destroy callback is called when asynchronous call is cancelled, that is, slot is freed. */
330 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
331 assert_se(sd_netlink_call_async(rtnl, &slot, m, link_handler2, test_async_object_destroy, t, 0, NULL) >= 0);
332
333 assert_se(t->n_ref == 1);
334 assert_se(test_async_object_ref(t));
335 assert_se(t->n_ref == 2);
336
337 assert_se(!(slot = sd_netlink_slot_unref(slot)));
338 assert_se(t->n_ref == 1);
339
340 assert_se(!sd_netlink_message_unref(m));
341
342 /* destroy callback is also called by sd_netlink_unref() */
343 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
344 assert_se(sd_netlink_call_async(rtnl, NULL, m, link_handler2, test_async_object_destroy, t, 0, NULL) >= 0);
345
346 assert_se(t->n_ref == 1);
347 assert_se(test_async_object_ref(t));
348 assert_se(t->n_ref == 2);
349
350 assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
351 assert_se(t->n_ref == 1);
352}
353
354static int pipe_handler(sd_netlink *rtnl, sd_netlink_message *m, void *userdata) {
355 int *counter = userdata;
356 int r;
357
358 (*counter)--;
359
360 r = sd_netlink_message_get_errno(m);
361
362 log_info_errno(r, "%d left in pipe. got reply: %m", *counter);
363
364 assert_se(r >= 0);
365
366 return 1;
367}
368
86f210e9 369static void test_pipe(int ifindex) {
4c89c718
MP		 370 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
371 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m1 = NULL, *m2 = NULL;
86f210e9
MP		 372 int counter = 0;
373
374 assert_se(sd_netlink_open(&rtnl) >= 0);
375
376 assert_se(sd_rtnl_message_new_link(rtnl, &m1, RTM_GETLINK, ifindex) >= 0);
377 assert_se(sd_rtnl_message_new_link(rtnl, &m2, RTM_GETLINK, ifindex) >= 0);
378
aa27b158 379 counter++;
6e866b33 380 assert_se(sd_netlink_call_async(rtnl, NULL, m1, pipe_handler, NULL, &counter, 0, NULL) >= 0);
86f210e9 381
aa27b158 382 counter++;
6e866b33 383 assert_se(sd_netlink_call_async(rtnl, NULL, m2, pipe_handler, NULL, &counter, 0, NULL) >= 0);
86f210e9
MP		 384
385 while (counter > 0) {
386 assert_se(sd_netlink_wait(rtnl, 0) >= 0);
387 assert_se(sd_netlink_process(rtnl, NULL) >= 0);
388 }
389
390 assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
391}
392
1d42b86d 393static void test_container(sd_netlink *rtnl) {
4c89c718 394 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL;
86f210e9
MP		 395 uint16_t u16_data;
396 uint32_t u32_data;
397 const char *string_data;
398
1d42b86d 399 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINK, 0) >= 0);
86f210e9
MP		 400
401 assert_se(sd_netlink_message_open_container(m, IFLA_LINKINFO) >= 0);
402 assert_se(sd_netlink_message_open_container_union(m, IFLA_INFO_DATA, "vlan") >= 0);
403 assert_se(sd_netlink_message_append_u16(m, IFLA_VLAN_ID, 100) >= 0);
404 assert_se(sd_netlink_message_close_container(m) >= 0);
405 assert_se(sd_netlink_message_append_string(m, IFLA_INFO_KIND, "vlan") >= 0);
406 assert_se(sd_netlink_message_close_container(m) >= 0);
407 assert_se(sd_netlink_message_close_container(m) == -EINVAL);
408
e1f67bc7 409 assert_se(sd_netlink_message_rewind(m, NULL) >= 0);
86f210e9
MP		 410
411 assert_se(sd_netlink_message_enter_container(m, IFLA_LINKINFO) >= 0);
412 assert_se(sd_netlink_message_read_string(m, IFLA_INFO_KIND, &string_data) >= 0);
413 assert_se(streq("vlan", string_data));
414
415 assert_se(sd_netlink_message_enter_container(m, IFLA_INFO_DATA) >= 0);
416 assert_se(sd_netlink_message_read_u16(m, IFLA_VLAN_ID, &u16_data) >= 0);
417 assert_se(sd_netlink_message_exit_container(m) >= 0);
418
419 assert_se(sd_netlink_message_read_string(m, IFLA_INFO_KIND, &string_data) >= 0);
420 assert_se(streq("vlan", string_data));
421 assert_se(sd_netlink_message_exit_container(m) >= 0);
422
423 assert_se(sd_netlink_message_read_u32(m, IFLA_LINKINFO, &u32_data) < 0);
424
425 assert_se(sd_netlink_message_exit_container(m) == -EINVAL);
426}
427
428static void test_match(void) {
6e866b33 429 _cleanup_(sd_netlink_slot_unrefp) sd_netlink_slot *s1 = NULL, *s2 = NULL;
4c89c718 430 _cleanup_(sd_netlink_unrefp) sd_netlink *rtnl = NULL;
86f210e9
MP		 431
432 assert_se(sd_netlink_open(&rtnl) >= 0);
433
6e866b33
MB		 434 assert_se(sd_netlink_add_match(rtnl, &s1, RTM_NEWLINK, link_handler, NULL, NULL, NULL) >= 0);
435 assert_se(sd_netlink_add_match(rtnl, &s2, RTM_NEWLINK, link_handler, NULL, NULL, NULL) >= 0);
436 assert_se(sd_netlink_add_match(rtnl, NULL, RTM_NEWLINK, link_handler, NULL, NULL, NULL) >= 0);
86f210e9 437
6e866b33
MB		 438 assert_se(!(s1 = sd_netlink_slot_unref(s1)));
439 assert_se(!(s2 = sd_netlink_slot_unref(s2)));
86f210e9
MP		 440
441 assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
442}
443
444static void test_get_addresses(sd_netlink *rtnl) {
4c89c718 445 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *req = NULL, *reply = NULL;
86f210e9
MP		 446 sd_netlink_message *m;
447
448 assert_se(sd_rtnl_message_new_addr(rtnl, &req, RTM_GETADDR, 0, AF_UNSPEC) >= 0);
8b3d4ff0 449 assert_se(sd_netlink_message_request_dump(req, true) >= 0);
86f210e9
MP		 450 assert_se(sd_netlink_call(rtnl, req, 0, &reply) >= 0);
451
452 for (m = reply; m; m = sd_netlink_message_next(m)) {
453 uint16_t type;
454 unsigned char scope, flags;
455 int family, ifindex;
456
457 assert_se(sd_netlink_message_get_type(m, &type) >= 0);
458 assert_se(type == RTM_NEWADDR);
459
460 assert_se(sd_rtnl_message_addr_get_ifindex(m, &ifindex) >= 0);
461 assert_se(sd_rtnl_message_addr_get_family(m, &family) >= 0);
462 assert_se(sd_rtnl_message_addr_get_scope(m, &scope) >= 0);
463 assert_se(sd_rtnl_message_addr_get_flags(m, &flags) >= 0);
464
465 assert_se(ifindex > 0);
f5e65279 466 assert_se(IN_SET(family, AF_INET, AF_INET6));
86f210e9
MP		 467
468 log_info("got IPv%u address on ifindex %i", family == AF_INET ? 4: 6, ifindex);
469 }
470}
471
1d42b86d 472static void test_message(sd_netlink *rtnl) {
4c89c718 473 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL;
86f210e9 474
1d42b86d 475 assert_se(rtnl_message_new_synthetic_error(rtnl, -ETIMEDOUT, 1, &m) >= 0);
86f210e9
MP		 476 assert_se(sd_netlink_message_get_errno(m) == -ETIMEDOUT);
477}
478
f2dec872
BR		 479static void test_array(void) {
480 _cleanup_(sd_netlink_unrefp) sd_netlink *genl = NULL;
481 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL;
482
483 assert_se(sd_genl_socket_open(&genl) >= 0);
484 assert_se(sd_genl_message_new(genl, SD_GENL_ID_CTRL, CTRL_CMD_GETFAMILY, &m) >= 0);
485
486 assert_se(sd_netlink_message_open_container(m, CTRL_ATTR_MCAST_GROUPS) >= 0);
487 for (unsigned i = 0; i < 10; i++) {
488 char name[STRLEN("hoge") + DECIMAL_STR_MAX(uint32_t)];
489 uint32_t id = i + 1000;
490
491 xsprintf(name, "hoge%" PRIu32, id);
492 assert_se(sd_netlink_message_open_array(m, i + 1) >= 0);
493 assert_se(sd_netlink_message_append_u32(m, CTRL_ATTR_MCAST_GRP_ID, id) >= 0);
494 assert_se(sd_netlink_message_append_string(m, CTRL_ATTR_MCAST_GRP_NAME, name) >= 0);
495 assert_se(sd_netlink_message_close_container(m) >= 0);
496 }
497 assert_se(sd_netlink_message_close_container(m) >= 0);
498
499 rtnl_message_seal(m);
e1f67bc7 500 assert_se(sd_netlink_message_rewind(m, genl) >= 0);
f2dec872
BR		 501
502 assert_se(sd_netlink_message_enter_container(m, CTRL_ATTR_MCAST_GROUPS) >= 0);
503 for (unsigned i = 0; i < 10; i++) {
504 char expected[STRLEN("hoge") + DECIMAL_STR_MAX(uint32_t)];
505 const char *name;
506 uint32_t id;
507
508 assert_se(sd_netlink_message_enter_array(m, i + 1) >= 0);
509 assert_se(sd_netlink_message_read_u32(m, CTRL_ATTR_MCAST_GRP_ID, &id) >= 0);
510 assert_se(sd_netlink_message_read_string(m, CTRL_ATTR_MCAST_GRP_NAME, &name) >= 0);
511 assert_se(sd_netlink_message_exit_container(m) >= 0);
512
513 assert_se(id == i + 1000);
514 xsprintf(expected, "hoge%" PRIu32, id);
515 assert_se(streq(name, expected));
516 }
517 assert_se(sd_netlink_message_exit_container(m) >= 0);
46cdbd49
BR		 518}
519
520static void test_strv(sd_netlink *rtnl) {
521 _cleanup_(sd_netlink_message_unrefp) sd_netlink_message *m = NULL;
522 _cleanup_strv_free_ char **names_in = NULL, **names_out;
523 const char *p;
524
525 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_NEWLINKPROP, 1) >= 0);
526
527 for (unsigned i = 0; i < 10; i++) {
528 char name[STRLEN("hoge") + DECIMAL_STR_MAX(uint32_t)];
529
530 xsprintf(name, "hoge%" PRIu32, i + 1000);
531 assert_se(strv_extend(&names_in, name) >= 0);
532 }
533
534 assert_se(sd_netlink_message_open_container(m, IFLA_PROP_LIST) >= 0);
535 assert_se(sd_netlink_message_append_strv(m, IFLA_ALT_IFNAME, names_in) >= 0);
536 assert_se(sd_netlink_message_close_container(m) >= 0);
537
538 rtnl_message_seal(m);
539 assert_se(sd_netlink_message_rewind(m, NULL) >= 0);
f2dec872 540
46cdbd49
BR		 541 assert_se(sd_netlink_message_read_strv(m, IFLA_PROP_LIST, IFLA_ALT_IFNAME, &names_out) >= 0);
542 assert_se(strv_equal(names_in, names_out));
543
544 assert_se(sd_netlink_message_enter_container(m, IFLA_PROP_LIST) >= 0);
545 assert_se(sd_netlink_message_read_string(m, IFLA_ALT_IFNAME, &p) >= 0);
546 assert_se(streq(p, "hoge1009"));
547 assert_se(sd_netlink_message_exit_container(m) >= 0);
f2dec872
BR		 548}
549
86f210e9
MP		 550int main(void) {
551 sd_netlink *rtnl;
552 sd_netlink_message *m;
553 sd_netlink_message *r;
554 const char *string_data;
555 int if_loopback;
556 uint16_t type;
557
86f210e9 558 test_match();
86f210e9
MP		 559 test_multiple();
560
86f210e9
MP		 561 assert_se(sd_netlink_open(&rtnl) >= 0);
562 assert_se(rtnl);
563
1d42b86d 564 test_route(rtnl);
1d42b86d 565 test_message(rtnl);
1d42b86d 566 test_container(rtnl);
f2dec872 567 test_array();
46cdbd49 568 test_strv(rtnl);
1d42b86d 569
86f210e9
MP		 570 if_loopback = (int) if_nametoindex("lo");
571 assert_se(if_loopback > 0);
572
573 test_async(if_loopback);
6e866b33
MB		 574 test_slot_set(if_loopback);
575 test_async_destroy_callback(if_loopback);
86f210e9 576 test_pipe(if_loopback);
86f210e9 577 test_event_loop(if_loopback);
86f210e9
MP		 578 test_link_configure(rtnl, if_loopback);
579
580 test_get_addresses(rtnl);
86f210e9
MP		 581 test_message_link_bridge(rtnl);
582
583 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, if_loopback) >= 0);
584 assert_se(m);
585
586 assert_se(sd_netlink_message_get_type(m, &type) >= 0);
587 assert_se(type == RTM_GETLINK);
588
589 assert_se(sd_netlink_message_read_string(m, IFLA_IFNAME, &string_data) == -EPERM);
590
591 assert_se(sd_netlink_call(rtnl, m, 0, &r) == 1);
592 assert_se(sd_netlink_message_get_type(r, &type) >= 0);
593 assert_se(type == RTM_NEWLINK);
594
595 assert_se((r = sd_netlink_message_unref(r)) == NULL);
596
597 assert_se(sd_netlink_call(rtnl, m, -1, &r) == -EPERM);
598 assert_se((m = sd_netlink_message_unref(m)) == NULL);
599 assert_se((r = sd_netlink_message_unref(r)) == NULL);
600
601 test_link_get(rtnl, if_loopback);
602 test_address_get(rtnl, if_loopback);
603
604 assert_se((m = sd_netlink_message_unref(m)) == NULL);
605 assert_se((r = sd_netlink_message_unref(r)) == NULL);
606 assert_se((rtnl = sd_netlink_unref(rtnl)) == NULL);
607
608 return EXIT_SUCCESS;
609}
systemd for Proxmox projects