1 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
4 This file is part of systemd.
6 Copyright 2013 Tom Gundersen <teg@jklm.no>
8 systemd is free software; you can redistribute it and/or modify it
9 under the terms of the GNU Lesser General Public License as published by
10 the Free Software Foundation; either version 2.1 of the License, or
11 (at your option) any later version.
13 systemd is distributed in the hope that it will be useful, but
14 WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 Lesser General Public License for more details.
18 You should have received a copy of the GNU Lesser General Public License
19 along with systemd; If not, see <http://www.gnu.org/licenses/>.
22 #include <netinet/ether.h>
28 #include "socket-util.h"
29 #include "rtnl-util.h"
30 #include "event-util.h"
32 #include "rtnl-internal.h"
34 static void test_link_configure(sd_rtnl *rtnl, int ifindex) {
35 _cleanup_rtnl_message_unref_ sd_rtnl_message *message;
36 const char *mac = "98:fe:94:3f:c6:18", *name = "test";
37 unsigned int mtu = 1450, mtu_out;
39 struct ether_addr mac_out;
41 /* we'd really like to test NEWLINK, but let's not mess with the running kernel */
42 assert_se(sd_rtnl_message_new_link(rtnl, &message, RTM_GETLINK, ifindex) >= 0);
43 assert_se(sd_rtnl_message_append_string(message, IFLA_IFNAME, name) >= 0);
44 assert_se(sd_rtnl_message_append_ether_addr(message, IFLA_ADDRESS, ether_aton(mac)) >= 0);
45 assert_se(sd_rtnl_message_append_u32(message, IFLA_MTU, mtu) >= 0);
47 assert_se(sd_rtnl_call(rtnl, message, 0, NULL) == 1);
48 assert_se(sd_rtnl_message_rewind(message) >= 0);
50 assert_se(sd_rtnl_message_read_string(message, IFLA_IFNAME, &name_out) >= 0);
51 assert_se(streq(name, name_out));
53 assert_se(sd_rtnl_message_read_ether_addr(message, IFLA_ADDRESS, &mac_out) >= 0);
54 assert_se(streq(mac, ether_ntoa(&mac_out)));
56 assert_se(sd_rtnl_message_read_u32(message, IFLA_MTU, &mtu_out) >= 0);
57 assert_se(mtu == mtu_out);
60 static void test_link_get(sd_rtnl *rtnl, int ifindex) {
63 unsigned int mtu = 1500;
67 struct ether_addr eth_data;
69 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
73 assert_se(sd_rtnl_message_append_u8(m, IFLA_CARRIER, 0) >= 0);
74 assert_se(sd_rtnl_message_append_u8(m, IFLA_OPERSTATE, 0) >= 0);
75 assert_se(sd_rtnl_message_append_u8(m, IFLA_LINKMODE, 0) >= 0);
78 assert_se(sd_rtnl_message_append_u32(m, IFLA_MTU, mtu) >= 0);
79 assert_se(sd_rtnl_message_append_u32(m, IFLA_GROUP, 0) >= 0);
80 assert_se(sd_rtnl_message_append_u32(m, IFLA_TXQLEN, 0) >= 0);
81 assert_se(sd_rtnl_message_append_u32(m, IFLA_NUM_TX_QUEUES, 0) >= 0);
82 assert_se(sd_rtnl_message_append_u32(m, IFLA_NUM_RX_QUEUES, 0) >= 0);
84 assert_se(sd_rtnl_call(rtnl, m, -1, &r) == 1);
86 assert_se(sd_rtnl_message_read_string(r, IFLA_IFNAME, &str_data) == 0);
88 assert_se(sd_rtnl_message_read_u8(r, IFLA_CARRIER, &u8_data) == 0);
89 assert_se(sd_rtnl_message_read_u8(r, IFLA_OPERSTATE, &u8_data) == 0);
90 assert_se(sd_rtnl_message_read_u8(r, IFLA_LINKMODE, &u8_data) == 0);
92 assert_se(sd_rtnl_message_read_u32(r, IFLA_MTU, &u32_data) == 0);
93 assert_se(sd_rtnl_message_read_u32(r, IFLA_GROUP, &u32_data) == 0);
94 assert_se(sd_rtnl_message_read_u32(r, IFLA_TXQLEN, &u32_data) == 0);
95 assert_se(sd_rtnl_message_read_u32(r, IFLA_NUM_TX_QUEUES, &u32_data) == 0);
96 assert_se(sd_rtnl_message_read_u32(r, IFLA_NUM_RX_QUEUES, &u32_data) == 0);
98 assert_se(sd_rtnl_message_read_ether_addr(r, IFLA_ADDRESS, ð_data) == 0);
100 assert_se(sd_rtnl_flush(rtnl) >= 0);
101 assert_se((m = sd_rtnl_message_unref(m)) == NULL);
102 assert_se((r = sd_rtnl_message_unref(r)) == NULL);
106 static void test_address_get(sd_rtnl *rtnl, int ifindex) {
109 struct in_addr in_data;
110 struct ifa_cacheinfo cache;
113 assert_se(sd_rtnl_message_new_addr(rtnl, &m, RTM_GETADDR, ifindex, AF_INET) >= 0);
116 assert_se(sd_rtnl_call(rtnl, m, -1, &r) == 1);
118 assert_se(sd_rtnl_message_read_in_addr(r, IFA_LOCAL, &in_data) == 0);
119 assert_se(sd_rtnl_message_read_in_addr(r, IFA_ADDRESS, &in_data) == 0);
120 assert_se(sd_rtnl_message_read_string(r, IFA_LABEL, &label) == 0);
121 assert_se(sd_rtnl_message_read_cache_info(r, IFA_CACHEINFO, &cache) == 0);
123 assert_se(sd_rtnl_flush(rtnl) >= 0);
124 assert_se((m = sd_rtnl_message_unref(m)) == NULL);
125 assert_se((r = sd_rtnl_message_unref(r)) == NULL);
129 static void test_route(void) {
130 _cleanup_rtnl_message_unref_ sd_rtnl_message *req;
131 struct in_addr addr, addr_data;
132 uint32_t index = 2, u32_data;
135 r = sd_rtnl_message_new_route(NULL, &req, RTM_NEWROUTE, AF_INET);
137 log_error("Could not create RTM_NEWROUTE message: %s", strerror(-r));
141 addr.s_addr = htonl(INADDR_LOOPBACK);
143 r = sd_rtnl_message_append_in_addr(req, RTA_GATEWAY, &addr);
145 log_error("Could not append RTA_GATEWAY attribute: %s", strerror(-r));
149 r = sd_rtnl_message_append_u32(req, RTA_OIF, index);
151 log_error("Could not append RTA_OIF attribute: %s", strerror(-r));
155 assert_se(sd_rtnl_message_rewind(req) >= 0);
157 assert_se(sd_rtnl_message_read_in_addr(req, RTA_GATEWAY, &addr_data) >= 0);
158 assert_se(addr_data.s_addr == addr.s_addr);
160 assert_se(sd_rtnl_message_read_u32(req, RTA_OIF, &u32_data) >= 0);
161 assert_se(u32_data == index);
163 assert_se((req = sd_rtnl_message_unref(req)) == NULL);
166 static void test_multiple(void) {
167 sd_rtnl *rtnl1, *rtnl2;
169 assert_se(sd_rtnl_open(&rtnl1, 0) >= 0);
170 assert_se(sd_rtnl_open(&rtnl2, 0) >= 0);
172 rtnl1 = sd_rtnl_unref(rtnl1);
173 rtnl2 = sd_rtnl_unref(rtnl2);
176 static int link_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
177 char *ifname = userdata, *data;
182 log_info("got link info about %s", ifname);
185 assert_se(sd_rtnl_message_read_string(m, IFLA_IFNAME, &data) >= 0);
186 assert_se(streq(data, "lo"));
191 static void test_event_loop(int ifindex) {
192 _cleanup_event_unref_ sd_event *event = NULL;
193 _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
194 _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
197 ifname = strdup("lo2");
200 assert_se(sd_rtnl_open(&rtnl, 0) >= 0);
201 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
203 assert_se(sd_rtnl_call_async(rtnl, m, &link_handler, ifname, 0, NULL) >= 0);
205 assert_se(sd_event_default(&event) >= 0);
207 assert_se(sd_rtnl_attach_event(rtnl, event, 0) >= 0);
209 assert_se(sd_event_run(event, 0) >= 0);
211 assert_se(sd_rtnl_detach_event(rtnl) >= 0);
213 assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL);
216 static int pipe_handler(sd_rtnl *rtnl, sd_rtnl_message *m, void *userdata) {
217 int *counter = userdata;
222 r = sd_rtnl_message_get_errno(m);
224 log_info("%d left in pipe. got reply: %s", *counter, strerror(-r));
231 static void test_async(int ifindex) {
232 _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
233 _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL, *r = NULL;
237 ifname = strdup("lo");
240 assert_se(sd_rtnl_open(&rtnl, 0) >= 0);
242 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, ifindex) >= 0);
244 assert_se(sd_rtnl_call_async(rtnl, m, &link_handler, ifname, 0, &serial) >= 0);
246 assert_se(sd_rtnl_wait(rtnl, 0) >= 0);
247 assert_se(sd_rtnl_process(rtnl, &r) >= 0);
249 assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL);
252 static void test_pipe(int ifindex) {
253 _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
254 _cleanup_rtnl_message_unref_ sd_rtnl_message *m1 = NULL, *m2 = NULL;
257 assert_se(sd_rtnl_open(&rtnl, 0) >= 0);
259 assert_se(sd_rtnl_message_new_link(rtnl, &m1, RTM_GETLINK, ifindex) >= 0);
260 assert_se(sd_rtnl_message_new_link(rtnl, &m2, RTM_GETLINK, ifindex) >= 0);
263 assert_se(sd_rtnl_call_async(rtnl, m1, &pipe_handler, &counter, 0, NULL) >= 0);
266 assert_se(sd_rtnl_call_async(rtnl, m2, &pipe_handler, &counter, 0, NULL) >= 0);
268 while (counter > 0) {
269 assert_se(sd_rtnl_wait(rtnl, 0) >= 0);
270 assert_se(sd_rtnl_process(rtnl, NULL) >= 0);
273 assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL);
276 static void test_container(void) {
277 _cleanup_rtnl_message_unref_ sd_rtnl_message *m = NULL;
282 assert_se(sd_rtnl_message_new_link(NULL, &m, RTM_NEWLINK, 0) >= 0);
284 assert_se(sd_rtnl_message_open_container(m, IFLA_LINKINFO) >= 0);
285 assert_se(sd_rtnl_message_open_container_union(m, IFLA_INFO_DATA, "vlan") >= 0);
286 assert_se(sd_rtnl_message_append_u16(m, IFLA_VLAN_ID, 100) >= 0);
287 assert_se(sd_rtnl_message_close_container(m) >= 0);
288 assert_se(sd_rtnl_message_append_string(m, IFLA_INFO_KIND, "vlan") >= 0);
289 assert_se(sd_rtnl_message_close_container(m) >= 0);
290 assert_se(sd_rtnl_message_close_container(m) == -EINVAL);
292 assert_se(sd_rtnl_message_rewind(m) >= 0);
294 assert_se(sd_rtnl_message_enter_container(m, IFLA_LINKINFO) >= 0);
295 assert_se(sd_rtnl_message_read_string(m, IFLA_INFO_KIND, &string_data) >= 0);
296 assert_se(streq("vlan", string_data));
298 assert_se(sd_rtnl_message_enter_container(m, IFLA_INFO_DATA) >= 0);
299 assert_se(sd_rtnl_message_read_u16(m, IFLA_VLAN_ID, &u16_data) >= 0);
300 assert_se(sd_rtnl_message_exit_container(m) >= 0);
302 assert_se(sd_rtnl_message_read_string(m, IFLA_INFO_KIND, &string_data) >= 0);
303 assert_se(streq("vlan", string_data));
304 assert_se(sd_rtnl_message_exit_container(m) >= 0);
306 assert_se(sd_rtnl_message_read_u32(m, IFLA_LINKINFO, &u32_data) < 0);
308 assert_se(sd_rtnl_message_exit_container(m) == -EINVAL);
311 static void test_match(void) {
312 _cleanup_rtnl_unref_ sd_rtnl *rtnl = NULL;
314 assert_se(sd_rtnl_open(&rtnl, 0) >= 0);
316 assert_se(sd_rtnl_add_match(rtnl, RTM_NEWLINK, &link_handler, NULL) >= 0);
317 assert_se(sd_rtnl_add_match(rtnl, RTM_NEWLINK, &link_handler, NULL) >= 0);
319 assert_se(sd_rtnl_remove_match(rtnl, RTM_NEWLINK, &link_handler, NULL) == 1);
320 assert_se(sd_rtnl_remove_match(rtnl, RTM_NEWLINK, &link_handler, NULL) == 1);
321 assert_se(sd_rtnl_remove_match(rtnl, RTM_NEWLINK, &link_handler, NULL) == 0);
323 assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL);
326 static void test_get_addresses(sd_rtnl *rtnl) {
327 _cleanup_rtnl_message_unref_ sd_rtnl_message *req = NULL, *reply = NULL;
330 assert_se(sd_rtnl_message_new_addr(rtnl, &req, RTM_GETADDR, 0, AF_UNSPEC) >= 0);
332 assert_se(sd_rtnl_call(rtnl, req, 0, &reply) >= 0);
334 for (m = reply; m; m = sd_rtnl_message_next(m)) {
336 unsigned char family, scope, flags;
339 assert_se(sd_rtnl_message_get_type(m, &type) >= 0);
340 assert_se(type == RTM_NEWADDR);
342 assert_se(sd_rtnl_message_addr_get_ifindex(m, &ifindex) >= 0);
343 assert_se(sd_rtnl_message_addr_get_family(m, &family) >= 0);
344 assert_se(sd_rtnl_message_addr_get_scope(m, &scope) >= 0);
345 assert_se(sd_rtnl_message_addr_get_flags(m, &flags) >= 0);
347 assert_se(ifindex > 0);
348 assert_se(family == AF_INET || family == AF_INET6);
350 log_info("got IPv%u address on ifindex %i", family == AF_INET ? 4: 6, ifindex);
370 assert_se(sd_rtnl_open(&rtnl, 0) >= 0);
373 if_loopback = (int) if_nametoindex("lo");
374 assert_se(if_loopback > 0);
376 test_async(if_loopback);
378 test_pipe(if_loopback);
380 test_event_loop(if_loopback);
382 test_link_configure(rtnl, if_loopback);
384 test_get_addresses(rtnl);
386 assert_se(sd_rtnl_message_new_link(rtnl, &m, RTM_GETLINK, if_loopback) >= 0);
389 assert_se(sd_rtnl_message_get_type(m, &type) >= 0);
390 assert_se(type == RTM_GETLINK);
392 assert_se(sd_rtnl_message_read_string(m, IFLA_IFNAME, &string_data) == -EPERM);
394 assert_se(sd_rtnl_call(rtnl, m, 0, &r) == 1);
395 assert_se(sd_rtnl_message_get_type(r, &type) >= 0);
396 assert_se(type == RTM_NEWLINK);
398 assert_se((r = sd_rtnl_message_unref(r)) == NULL);
400 assert_se(sd_rtnl_call(rtnl, m, -1, &r) == -EPERM);
401 assert_se((m = sd_rtnl_message_unref(m)) == NULL);
402 assert_se((r = sd_rtnl_message_unref(r)) == NULL);
404 test_link_get(rtnl, if_loopback);
405 test_address_get(rtnl, if_loopback);
407 assert_se(sd_rtnl_flush(rtnl) >= 0);
408 assert_se((m = sd_rtnl_message_unref(m)) == NULL);
409 assert_se((r = sd_rtnl_message_unref(r)) == NULL);
410 assert_se((rtnl = sd_rtnl_unref(rtnl)) == NULL);