2 This file is part of systemd.
4 Copyright 2014 Ronny Chevalier
6 systemd is free software; you can redistribute it and/or modify it
7 under the terms of the GNU Lesser General Public License as published by
8 the Free Software Foundation; either version 2.1 of the License, or
9 (at your option) any later version.
11 systemd is distributed in the hope that it will be useful, but
12 WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public License
17 along with systemd; If not, see <http://www.gnu.org/licenses/>.
23 #include <sys/prctl.h>
24 #include <sys/types.h>
31 #include "path-util.h"
34 #include "seccomp-util.h"
36 #include "test-helper.h"
41 typedef void (*test_function_t
)(Manager
*m
);
43 static void check(Manager
*m
, Unit
*unit
, int status_expected
, int code_expected
) {
44 Service
*service
= NULL
;
46 usec_t timeout
= 2 * USEC_PER_SEC
;
51 service
= SERVICE(unit
);
52 printf("%s\n", unit
->id
);
53 exec_context_dump(&service
->exec_context
, stdout
, "\t");
54 ts
= now(CLOCK_MONOTONIC
);
55 while (service
->state
!= SERVICE_DEAD
&& service
->state
!= SERVICE_FAILED
) {
59 r
= sd_event_run(m
->event
, 100 * USEC_PER_MSEC
);
62 n
= now(CLOCK_MONOTONIC
);
63 if (ts
+ timeout
< n
) {
64 log_error("Test timeout when testing %s", unit
->id
);
68 exec_status_dump(&service
->main_exec_status
, stdout
, "\t");
69 assert_se(service
->main_exec_status
.status
== status_expected
);
70 assert_se(service
->main_exec_status
.code
== code_expected
);
73 static void test(Manager
*m
, const char *unit_name
, int status_expected
, int code_expected
) {
78 assert_se(manager_load_unit(m
, unit_name
, NULL
, NULL
, &unit
) >= 0);
79 assert_se(UNIT_VTABLE(unit
)->start(unit
) >= 0);
80 check(m
, unit
, status_expected
, code_expected
);
83 static void test_exec_workingdirectory(Manager
*m
) {
84 assert_se(mkdir_p("/tmp/test-exec_workingdirectory", 0755) >= 0);
86 test(m
, "exec-workingdirectory.service", 0, CLD_EXITED
);
88 (void) rm_rf("/tmp/test-exec_workingdirectory", REMOVE_ROOT
|REMOVE_PHYSICAL
);
91 static void test_exec_personality(Manager
*m
) {
92 #if defined(__x86_64__)
93 test(m
, "exec-personality-x86-64.service", 0, CLD_EXITED
);
95 #elif defined(__s390__)
96 test(m
, "exec-personality-s390.service", 0, CLD_EXITED
);
98 #elif defined(__powerpc64__)
99 # if __BYTE_ORDER == __BIG_ENDIAN
100 test(m
, "exec-personality-ppc64.service", 0, CLD_EXITED
);
102 test(m
, "exec-personality-ppc64le.service", 0, CLD_EXITED
);
105 #elif defined(__aarch64__)
106 test(m
, "exec-personality-aarch64.service", 0, CLD_EXITED
);
108 #elif defined(__i386__)
109 test(m
, "exec-personality-x86.service", 0, CLD_EXITED
);
113 static void test_exec_ignoresigpipe(Manager
*m
) {
114 test(m
, "exec-ignoresigpipe-yes.service", 0, CLD_EXITED
);
115 test(m
, "exec-ignoresigpipe-no.service", SIGPIPE
, CLD_KILLED
);
118 static void test_exec_privatetmp(Manager
*m
) {
119 assert_se(touch("/tmp/test-exec_privatetmp") >= 0);
121 test(m
, "exec-privatetmp-yes.service", 0, CLD_EXITED
);
122 test(m
, "exec-privatetmp-no.service", 0, CLD_EXITED
);
124 unlink("/tmp/test-exec_privatetmp");
127 static void test_exec_privatedevices(Manager
*m
) {
128 if (detect_container() > 0) {
129 log_notice("testing in container, skipping private device tests");
132 test(m
, "exec-privatedevices-yes.service", 0, CLD_EXITED
);
133 test(m
, "exec-privatedevices-no.service", 0, CLD_EXITED
);
136 static void test_exec_privatedevices_capabilities(Manager
*m
) {
137 if (detect_container() > 0) {
138 log_notice("testing in container, skipping private device tests");
141 test(m
, "exec-privatedevices-yes-capability-mknod.service", 0, CLD_EXITED
);
142 test(m
, "exec-privatedevices-no-capability-mknod.service", 0, CLD_EXITED
);
145 static void test_exec_readonlypaths(Manager
*m
) {
146 test(m
, "exec-readonlypaths.service", 0, CLD_EXITED
);
147 test(m
, "exec-readonlypaths-mount-propagation.service", 0, CLD_EXITED
);
150 static void test_exec_readwritepaths(Manager
*m
) {
151 test(m
, "exec-readwritepaths-mount-propagation.service", 0, CLD_EXITED
);
154 static void test_exec_inaccessiblepaths(Manager
*m
) {
155 test(m
, "exec-inaccessiblepaths-mount-propagation.service", 0, CLD_EXITED
);
158 static void test_exec_systemcallfilter(Manager
*m
) {
160 if (!is_seccomp_available())
162 test(m
, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED
);
163 test(m
, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED
);
164 test(m
, "exec-systemcallfilter-failing.service", SIGSYS
, CLD_KILLED
);
165 test(m
, "exec-systemcallfilter-failing2.service", SIGSYS
, CLD_KILLED
);
170 static void test_exec_systemcallerrornumber(Manager
*m
) {
172 if (is_seccomp_available())
173 test(m
, "exec-systemcallerrornumber.service", 1, CLD_EXITED
);
177 static void test_exec_systemcall_system_mode_with_user(Manager
*m
) {
179 if (!is_seccomp_available())
181 if (getpwnam("nobody"))
182 test(m
, "exec-systemcallfilter-system-user.service", 0, CLD_EXITED
);
183 else if (getpwnam("nfsnobody"))
184 test(m
, "exec-systemcallfilter-system-user-nfsnobody.service", 0, CLD_EXITED
);
186 log_error_errno(errno
, "Skipping test_exec_systemcall_system_mode_with_user, could not find nobody/nfsnobody user: %m");
190 static void test_exec_user(Manager
*m
) {
191 if (getpwnam("nobody"))
192 test(m
, "exec-user.service", 0, CLD_EXITED
);
193 else if (getpwnam("nfsnobody"))
194 test(m
, "exec-user-nfsnobody.service", 0, CLD_EXITED
);
196 log_error_errno(errno
, "Skipping test_exec_user, could not find nobody/nfsnobody user: %m");
199 static void test_exec_group(Manager
*m
) {
200 if (getgrnam("nobody"))
201 test(m
, "exec-group.service", 0, CLD_EXITED
);
202 else if (getgrnam("nfsnobody"))
203 test(m
, "exec-group-nfsnobody.service", 0, CLD_EXITED
);
205 log_error_errno(errno
, "Skipping test_exec_group, could not find nobody/nfsnobody group: %m");
208 static void test_exec_environment(Manager
*m
) {
209 test(m
, "exec-environment.service", 0, CLD_EXITED
);
210 test(m
, "exec-environment-multiple.service", 0, CLD_EXITED
);
211 test(m
, "exec-environment-empty.service", 0, CLD_EXITED
);
214 static void test_exec_environmentfile(Manager
*m
) {
215 static const char e
[] =
216 "VAR1='word1 word2'\n"
222 "line without an equal\n"
223 "VAR3='$word 5 6'\n";
226 r
= write_string_file("/tmp/test-exec_environmentfile.conf", e
, WRITE_STRING_FILE_CREATE
);
229 test(m
, "exec-environmentfile.service", 0, CLD_EXITED
);
231 unlink("/tmp/test-exec_environmentfile.conf");
234 static void test_exec_passenvironment(Manager
*m
) {
235 /* test-execute runs under MANAGER_USER which, by default, forwards all
236 * variables present in the environment, but only those that are
237 * present _at the time it is created_!
239 * So these PassEnvironment checks are still expected to work, since we
240 * are ensuring the variables are not present at manager creation (they
241 * are unset explicitly in main) and are only set here.
243 * This is still a good approximation of how a test for MANAGER_SYSTEM
246 assert_se(setenv("VAR1", "word1 word2", 1) == 0);
247 assert_se(setenv("VAR2", "word3", 1) == 0);
248 assert_se(setenv("VAR3", "$word 5 6", 1) == 0);
249 test(m
, "exec-passenvironment.service", 0, CLD_EXITED
);
250 test(m
, "exec-passenvironment-repeated.service", 0, CLD_EXITED
);
251 test(m
, "exec-passenvironment-empty.service", 0, CLD_EXITED
);
252 assert_se(unsetenv("VAR1") == 0);
253 assert_se(unsetenv("VAR2") == 0);
254 assert_se(unsetenv("VAR3") == 0);
255 test(m
, "exec-passenvironment-absent.service", 0, CLD_EXITED
);
258 static void test_exec_umask(Manager
*m
) {
259 test(m
, "exec-umask-default.service", 0, CLD_EXITED
);
260 test(m
, "exec-umask-0177.service", 0, CLD_EXITED
);
263 static void test_exec_runtimedirectory(Manager
*m
) {
264 test(m
, "exec-runtimedirectory.service", 0, CLD_EXITED
);
265 test(m
, "exec-runtimedirectory-mode.service", 0, CLD_EXITED
);
266 if (getgrnam("nobody"))
267 test(m
, "exec-runtimedirectory-owner.service", 0, CLD_EXITED
);
268 else if (getgrnam("nfsnobody"))
269 test(m
, "exec-runtimedirectory-owner-nfsnobody.service", 0, CLD_EXITED
);
271 log_error_errno(errno
, "Skipping test_exec_runtimedirectory-owner, could not find nobody/nfsnobody group: %m");
274 static void test_exec_capabilityboundingset(Manager
*m
) {
277 /* We use capsh to test if the capabilities are
278 * properly set, so be sure that it exists */
279 r
= find_binary("capsh", NULL
);
281 log_error_errno(r
, "Skipping test_exec_capabilityboundingset, could not find capsh binary: %m");
285 test(m
, "exec-capabilityboundingset-simple.service", 0, CLD_EXITED
);
286 test(m
, "exec-capabilityboundingset-reset.service", 0, CLD_EXITED
);
287 test(m
, "exec-capabilityboundingset-merge.service", 0, CLD_EXITED
);
288 test(m
, "exec-capabilityboundingset-invert.service", 0, CLD_EXITED
);
291 static void test_exec_capabilityambientset(Manager
*m
) {
294 /* Check if the kernel has support for ambient capabilities. Run
295 * the tests only if that's the case. Clearing all ambient
296 * capabilities is fine, since we are expecting them to be unset
297 * in the first place for the tests. */
298 r
= prctl(PR_CAP_AMBIENT
, PR_CAP_AMBIENT_CLEAR_ALL
, 0, 0, 0);
299 if (r
>= 0 || errno
!= EINVAL
) {
300 if (getpwnam("nobody")) {
301 test(m
, "exec-capabilityambientset.service", 0, CLD_EXITED
);
302 test(m
, "exec-capabilityambientset-merge.service", 0, CLD_EXITED
);
303 } else if (getpwnam("nfsnobody")) {
304 test(m
, "exec-capabilityambientset-nfsnobody.service", 0, CLD_EXITED
);
305 test(m
, "exec-capabilityambientset-merge-nfsnobody.service", 0, CLD_EXITED
);
307 log_error_errno(errno
, "Skipping test_exec_capabilityambientset, could not find nobody/nfsnobody user: %m");
309 log_error_errno(errno
, "Skipping test_exec_capabilityambientset, the kernel does not support ambient capabilities: %m");
312 static void test_exec_privatenetwork(Manager
*m
) {
315 r
= find_binary("ip", NULL
);
317 log_error_errno(r
, "Skipping test_exec_privatenetwork, could not find ip binary: %m");
321 test(m
, "exec-privatenetwork-yes.service", 0, CLD_EXITED
);
324 static void test_exec_oomscoreadjust(Manager
*m
) {
325 test(m
, "exec-oomscoreadjust-positive.service", 0, CLD_EXITED
);
326 test(m
, "exec-oomscoreadjust-negative.service", 0, CLD_EXITED
);
329 static void test_exec_ioschedulingclass(Manager
*m
) {
330 test(m
, "exec-ioschedulingclass-none.service", 0, CLD_EXITED
);
331 test(m
, "exec-ioschedulingclass-idle.service", 0, CLD_EXITED
);
332 test(m
, "exec-ioschedulingclass-realtime.service", 0, CLD_EXITED
);
333 test(m
, "exec-ioschedulingclass-best-effort.service", 0, CLD_EXITED
);
336 static void test_exec_spec_interpolation(Manager
*m
) {
337 test(m
, "exec-spec-interpolation.service", 0, CLD_EXITED
);
340 static int run_tests(UnitFileScope scope
, test_function_t
*tests
) {
341 test_function_t
*test
= NULL
;
347 r
= manager_new(scope
, true, &m
);
348 if (MANAGER_SKIP_TEST(r
)) {
349 log_notice_errno(r
, "Skipping test: manager_new: %m");
350 return EXIT_TEST_SKIP
;
353 assert_se(manager_startup(m
, NULL
, NULL
) >= 0);
355 for (test
= tests
; test
&& *test
; test
++)
363 int main(int argc
, char *argv
[]) {
364 test_function_t user_tests
[] = {
365 test_exec_workingdirectory
,
366 test_exec_personality
,
367 test_exec_ignoresigpipe
,
368 test_exec_privatetmp
,
369 test_exec_privatedevices
,
370 test_exec_privatedevices_capabilities
,
371 test_exec_readonlypaths
,
372 test_exec_readwritepaths
,
373 test_exec_inaccessiblepaths
,
374 test_exec_privatenetwork
,
375 test_exec_systemcallfilter
,
376 test_exec_systemcallerrornumber
,
379 test_exec_environment
,
380 test_exec_environmentfile
,
381 test_exec_passenvironment
,
383 test_exec_runtimedirectory
,
384 test_exec_capabilityboundingset
,
385 test_exec_capabilityambientset
,
386 test_exec_oomscoreadjust
,
387 test_exec_ioschedulingclass
,
388 test_exec_spec_interpolation
,
391 test_function_t system_tests
[] = {
392 test_exec_systemcall_system_mode_with_user
,
397 log_parse_environment();
400 /* It is needed otherwise cgroup creation fails */
402 printf("Skipping test: not root\n");
403 return EXIT_TEST_SKIP
;
406 assert_se(setenv("XDG_RUNTIME_DIR", "/tmp/", 1) == 0);
407 assert_se(set_unit_path(TEST_DIR
"/test-execute/") >= 0);
409 /* Unset VAR1, VAR2 and VAR3 which are used in the PassEnvironment test
410 * cases, otherwise (and if they are present in the environment),
411 * `manager_default_environment` will copy them into the default
412 * environment which is passed to each created job, which will make the
413 * tests that expect those not to be present to fail.
415 assert_se(unsetenv("VAR1") == 0);
416 assert_se(unsetenv("VAR2") == 0);
417 assert_se(unsetenv("VAR3") == 0);
419 r
= run_tests(UNIT_FILE_USER
, user_tests
);
423 return run_tests(UNIT_FILE_SYSTEM
, system_tests
);