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 "stat-util.h"
37 #include "test-helper.h"
43 typedef void (*test_function_t
)(Manager
*m
);
45 static void check(Manager
*m
, Unit
*unit
, int status_expected
, int code_expected
) {
46 Service
*service
= NULL
;
48 usec_t timeout
= 2 * USEC_PER_MINUTE
;
53 service
= SERVICE(unit
);
54 printf("%s\n", unit
->id
);
55 exec_context_dump(&service
->exec_context
, stdout
, "\t");
56 ts
= now(CLOCK_MONOTONIC
);
57 while (!IN_SET(service
->state
, SERVICE_DEAD
, SERVICE_FAILED
)) {
61 r
= sd_event_run(m
->event
, 100 * USEC_PER_MSEC
);
64 n
= now(CLOCK_MONOTONIC
);
65 if (ts
+ timeout
< n
) {
66 log_error("Test timeout when testing %s", unit
->id
);
70 exec_status_dump(&service
->main_exec_status
, stdout
, "\t");
71 assert_se(service
->main_exec_status
.status
== status_expected
);
72 assert_se(service
->main_exec_status
.code
== code_expected
);
75 static bool is_inaccessible_available(void) {
79 "/run/systemd/inaccessible/reg",
80 "/run/systemd/inaccessible/dir",
81 "/run/systemd/inaccessible/chr",
82 "/run/systemd/inaccessible/blk",
83 "/run/systemd/inaccessible/fifo",
84 "/run/systemd/inaccessible/sock"
86 if (access(p
, F_OK
) < 0)
93 static void test(Manager
*m
, const char *unit_name
, int status_expected
, int code_expected
) {
98 assert_se(manager_load_unit(m
, unit_name
, NULL
, NULL
, &unit
) >= 0);
99 assert_se(UNIT_VTABLE(unit
)->start(unit
) >= 0);
100 check(m
, unit
, status_expected
, code_expected
);
103 static void test_exec_bind_paths(Manager
*m
) {
104 assert_se(mkdir_p("/tmp/test-exec_bind_paths", 0755) >= 0);
105 assert_se(mkdir_p("/tmp/test-exec_bind_readonly_paths", 0755) >= 0);
107 test(m
, "exec-bind-paths.service", 0, CLD_EXITED
);
109 (void) rm_rf("/tmp/test-exec_bind_paths", REMOVE_ROOT
|REMOVE_PHYSICAL
);
110 (void) rm_rf("/tmp/test-exec_bind_readonly_paths", REMOVE_ROOT
|REMOVE_PHYSICAL
);
113 static void test_exec_workingdirectory(Manager
*m
) {
114 assert_se(mkdir_p("/tmp/test-exec_workingdirectory", 0755) >= 0);
116 test(m
, "exec-workingdirectory.service", 0, CLD_EXITED
);
118 (void) rm_rf("/tmp/test-exec_workingdirectory", REMOVE_ROOT
|REMOVE_PHYSICAL
);
121 static void test_exec_personality(Manager
*m
) {
122 #if defined(__x86_64__)
123 test(m
, "exec-personality-x86-64.service", 0, CLD_EXITED
);
125 #elif defined(__s390__)
126 test(m
, "exec-personality-s390.service", 0, CLD_EXITED
);
128 #elif defined(__powerpc64__)
129 # if __BYTE_ORDER == __BIG_ENDIAN
130 test(m
, "exec-personality-ppc64.service", 0, CLD_EXITED
);
132 test(m
, "exec-personality-ppc64le.service", 0, CLD_EXITED
);
135 #elif defined(__aarch64__)
136 test(m
, "exec-personality-aarch64.service", 0, CLD_EXITED
);
138 #elif defined(__i386__)
139 test(m
, "exec-personality-x86.service", 0, CLD_EXITED
);
143 static void test_exec_ignoresigpipe(Manager
*m
) {
144 test(m
, "exec-ignoresigpipe-yes.service", 0, CLD_EXITED
);
145 test(m
, "exec-ignoresigpipe-no.service", SIGPIPE
, CLD_KILLED
);
148 static void test_exec_privatetmp(Manager
*m
) {
149 assert_se(touch("/tmp/test-exec_privatetmp") >= 0);
151 test(m
, "exec-privatetmp-yes.service", 0, CLD_EXITED
);
152 test(m
, "exec-privatetmp-no.service", 0, CLD_EXITED
);
154 unlink("/tmp/test-exec_privatetmp");
157 static void test_exec_privatedevices(Manager
*m
) {
158 if (detect_container() > 0) {
159 log_notice("testing in container, skipping %s", __func__
);
162 if (!is_inaccessible_available()) {
163 log_notice("testing without inaccessible, skipping %s", __func__
);
167 test(m
, "exec-privatedevices-yes.service", 0, CLD_EXITED
);
168 test(m
, "exec-privatedevices-no.service", 0, CLD_EXITED
);
171 static void test_exec_privatedevices_capabilities(Manager
*m
) {
174 if (detect_container() > 0) {
175 log_notice("testing in container, skipping %s", __func__
);
178 if (!is_inaccessible_available()) {
179 log_notice("testing without inaccessible, skipping %s", __func__
);
183 /* We use capsh to test if the capabilities are
184 * properly set, so be sure that it exists */
185 r
= find_binary("capsh", NULL
);
187 log_error_errno(r
, "Skipping %s, could not find capsh binary: %m", __func__
);
191 test(m
, "exec-privatedevices-yes-capability-mknod.service", 0, CLD_EXITED
);
192 test(m
, "exec-privatedevices-no-capability-mknod.service", 0, CLD_EXITED
);
193 test(m
, "exec-privatedevices-yes-capability-sys-rawio.service", 0, CLD_EXITED
);
194 test(m
, "exec-privatedevices-no-capability-sys-rawio.service", 0, CLD_EXITED
);
197 static void test_exec_protectkernelmodules(Manager
*m
) {
200 if (detect_container() > 0) {
201 log_notice("testing in container, skipping %s", __func__
);
204 if (!is_inaccessible_available()) {
205 log_notice("testing without inaccessible, skipping %s", __func__
);
209 r
= find_binary("capsh", NULL
);
211 log_error_errno(r
, "Skipping %s, could not find capsh binary: %m", __func__
);
216 test(m
, "exec-protectkernelmodules-no-capabilities.service", 0, CLD_EXITED
);
217 test(m
, "exec-protectkernelmodules-yes-capabilities.service", 0, CLD_EXITED
);
218 test(m
, "exec-protectkernelmodules-yes-mount-propagation.service", 0, CLD_EXITED
);
221 static void test_exec_readonlypaths(Manager
*m
) {
223 if (path_is_read_only_fs("/var") > 0)
226 test(m
, "exec-readonlypaths.service", 0, CLD_EXITED
);
227 test(m
, "exec-readonlypaths-mount-propagation.service", 0, CLD_EXITED
);
228 test(m
, "exec-readonlypaths-with-bindpaths.service", 0, CLD_EXITED
);
231 static void test_exec_readwritepaths(Manager
*m
) {
233 if (path_is_read_only_fs("/") > 0)
236 test(m
, "exec-readwritepaths-mount-propagation.service", 0, CLD_EXITED
);
239 static void test_exec_inaccessiblepaths(Manager
*m
) {
241 if (path_is_read_only_fs("/") > 0)
244 test(m
, "exec-inaccessiblepaths-mount-propagation.service", 0, CLD_EXITED
);
247 static void test_exec_inaccessiblepaths_proc(Manager
*m
) {
248 if (!is_inaccessible_available()) {
249 log_notice("testing without inaccessible, skipping %s", __func__
);
253 test(m
, "exec-inaccessiblepaths-proc.service", 0, CLD_EXITED
);
256 static void test_exec_systemcallfilter(Manager
*m
) {
258 if (!is_seccomp_available())
260 test(m
, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED
);
261 test(m
, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED
);
262 test(m
, "exec-systemcallfilter-failing.service", SIGSYS
, CLD_KILLED
);
263 test(m
, "exec-systemcallfilter-failing2.service", SIGSYS
, CLD_KILLED
);
268 static void test_exec_systemcallerrornumber(Manager
*m
) {
270 if (is_seccomp_available())
271 test(m
, "exec-systemcallerrornumber.service", 1, CLD_EXITED
);
275 static void test_exec_restrict_namespaces(Manager
*m
) {
277 if (!is_seccomp_available())
280 test(m
, "exec-restrict-namespaces-no.service", 0, CLD_EXITED
);
281 test(m
, "exec-restrict-namespaces-yes.service", 1, CLD_EXITED
);
282 test(m
, "exec-restrict-namespaces-mnt.service", 0, CLD_EXITED
);
283 test(m
, "exec-restrict-namespaces-mnt-blacklist.service", 1, CLD_EXITED
);
287 static void test_exec_systemcall_system_mode_with_user(Manager
*m
) {
289 if (!is_seccomp_available())
291 if (getpwnam("nobody"))
292 test(m
, "exec-systemcallfilter-system-user.service", 0, CLD_EXITED
);
293 else if (getpwnam("nfsnobody"))
294 test(m
, "exec-systemcallfilter-system-user-nfsnobody.service", 0, CLD_EXITED
);
296 log_error_errno(errno
, "Skipping %s, could not find nobody/nfsnobody user: %m", __func__
);
300 static void test_exec_user(Manager
*m
) {
301 if (getpwnam("nobody"))
302 test(m
, "exec-user.service", 0, CLD_EXITED
);
303 else if (getpwnam("nfsnobody"))
304 test(m
, "exec-user-nfsnobody.service", 0, CLD_EXITED
);
306 log_error_errno(errno
, "Skipping %s, could not find nobody/nfsnobody user: %m", __func__
);
309 static void test_exec_group(Manager
*m
) {
310 if (getgrnam("nobody"))
311 test(m
, "exec-group.service", 0, CLD_EXITED
);
312 else if (getgrnam("nfsnobody"))
313 test(m
, "exec-group-nfsnobody.service", 0, CLD_EXITED
);
315 log_error_errno(errno
, "Skipping %s, could not find nobody/nfsnobody group: %m", __func__
);
318 static void test_exec_supplementary_groups(Manager
*m
) {
319 test(m
, "exec-supplementarygroups.service", 0, CLD_EXITED
);
320 test(m
, "exec-supplementarygroups-single-group.service", 0, CLD_EXITED
);
321 test(m
, "exec-supplementarygroups-single-group-user.service", 0, CLD_EXITED
);
322 test(m
, "exec-supplementarygroups-multiple-groups-default-group-user.service", 0, CLD_EXITED
);
323 test(m
, "exec-supplementarygroups-multiple-groups-withgid.service", 0, CLD_EXITED
);
324 test(m
, "exec-supplementarygroups-multiple-groups-withuid.service", 0, CLD_EXITED
);
327 static void test_exec_dynamic_user(Manager
*m
) {
328 test(m
, "exec-dynamicuser-fixeduser.service", 0, CLD_EXITED
);
329 test(m
, "exec-dynamicuser-fixeduser-one-supplementarygroup.service", 0, CLD_EXITED
);
330 test(m
, "exec-dynamicuser-supplementarygroups.service", 0, CLD_EXITED
);
331 test(m
, "exec-dynamicuser-state-dir.service", 0, CLD_EXITED
);
334 static void test_exec_environment(Manager
*m
) {
335 test(m
, "exec-environment.service", 0, CLD_EXITED
);
336 test(m
, "exec-environment-multiple.service", 0, CLD_EXITED
);
337 test(m
, "exec-environment-empty.service", 0, CLD_EXITED
);
340 static void test_exec_environmentfile(Manager
*m
) {
341 static const char e
[] =
342 "VAR1='word1 word2'\n"
348 "line without an equal\n"
349 "VAR3='$word 5 6'\n";
352 r
= write_string_file("/tmp/test-exec_environmentfile.conf", e
, WRITE_STRING_FILE_CREATE
);
355 test(m
, "exec-environmentfile.service", 0, CLD_EXITED
);
357 unlink("/tmp/test-exec_environmentfile.conf");
360 static void test_exec_passenvironment(Manager
*m
) {
361 /* test-execute runs under MANAGER_USER which, by default, forwards all
362 * variables present in the environment, but only those that are
363 * present _at the time it is created_!
365 * So these PassEnvironment checks are still expected to work, since we
366 * are ensuring the variables are not present at manager creation (they
367 * are unset explicitly in main) and are only set here.
369 * This is still a good approximation of how a test for MANAGER_SYSTEM
372 assert_se(setenv("VAR1", "word1 word2", 1) == 0);
373 assert_se(setenv("VAR2", "word3", 1) == 0);
374 assert_se(setenv("VAR3", "$word 5 6", 1) == 0);
375 test(m
, "exec-passenvironment.service", 0, CLD_EXITED
);
376 test(m
, "exec-passenvironment-repeated.service", 0, CLD_EXITED
);
377 test(m
, "exec-passenvironment-empty.service", 0, CLD_EXITED
);
378 assert_se(unsetenv("VAR1") == 0);
379 assert_se(unsetenv("VAR2") == 0);
380 assert_se(unsetenv("VAR3") == 0);
381 test(m
, "exec-passenvironment-absent.service", 0, CLD_EXITED
);
384 static void test_exec_umask(Manager
*m
) {
385 test(m
, "exec-umask-default.service", 0, CLD_EXITED
);
386 test(m
, "exec-umask-0177.service", 0, CLD_EXITED
);
389 static void test_exec_runtimedirectory(Manager
*m
) {
390 test(m
, "exec-runtimedirectory.service", 0, CLD_EXITED
);
391 test(m
, "exec-runtimedirectory-mode.service", 0, CLD_EXITED
);
392 if (getgrnam("nobody"))
393 test(m
, "exec-runtimedirectory-owner.service", 0, CLD_EXITED
);
394 else if (getgrnam("nfsnobody"))
395 test(m
, "exec-runtimedirectory-owner-nfsnobody.service", 0, CLD_EXITED
);
397 log_error_errno(errno
, "Skipping %s, could not find nobody/nfsnobody group: %m", __func__
);
400 static void test_exec_capabilityboundingset(Manager
*m
) {
403 r
= find_binary("capsh", NULL
);
405 log_error_errno(r
, "Skipping %s, could not find capsh binary: %m", __func__
);
409 test(m
, "exec-capabilityboundingset-simple.service", 0, CLD_EXITED
);
410 test(m
, "exec-capabilityboundingset-reset.service", 0, CLD_EXITED
);
411 test(m
, "exec-capabilityboundingset-merge.service", 0, CLD_EXITED
);
412 test(m
, "exec-capabilityboundingset-invert.service", 0, CLD_EXITED
);
415 static void test_exec_capabilityambientset(Manager
*m
) {
418 /* Check if the kernel has support for ambient capabilities. Run
419 * the tests only if that's the case. Clearing all ambient
420 * capabilities is fine, since we are expecting them to be unset
421 * in the first place for the tests. */
422 r
= prctl(PR_CAP_AMBIENT
, PR_CAP_AMBIENT_CLEAR_ALL
, 0, 0, 0);
423 if (r
>= 0 || errno
!= EINVAL
) {
424 if (getpwnam("nobody")) {
425 test(m
, "exec-capabilityambientset.service", 0, CLD_EXITED
);
426 test(m
, "exec-capabilityambientset-merge.service", 0, CLD_EXITED
);
427 } else if (getpwnam("nfsnobody")) {
428 test(m
, "exec-capabilityambientset-nfsnobody.service", 0, CLD_EXITED
);
429 test(m
, "exec-capabilityambientset-merge-nfsnobody.service", 0, CLD_EXITED
);
431 log_error_errno(errno
, "Skipping %s, could not find nobody/nfsnobody user: %m", __func__
);
433 log_error_errno(errno
, "Skipping %s, the kernel does not support ambient capabilities: %m", __func__
);
436 static void test_exec_privatenetwork(Manager
*m
) {
439 r
= find_binary("ip", NULL
);
441 log_error_errno(r
, "Skipping %s, could not find ip binary: %m", __func__
);
445 test(m
, "exec-privatenetwork-yes.service", 0, CLD_EXITED
);
448 static void test_exec_oomscoreadjust(Manager
*m
) {
449 test(m
, "exec-oomscoreadjust-positive.service", 0, CLD_EXITED
);
450 test(m
, "exec-oomscoreadjust-negative.service", 0, CLD_EXITED
);
453 static void test_exec_ioschedulingclass(Manager
*m
) {
454 test(m
, "exec-ioschedulingclass-none.service", 0, CLD_EXITED
);
455 test(m
, "exec-ioschedulingclass-idle.service", 0, CLD_EXITED
);
456 test(m
, "exec-ioschedulingclass-realtime.service", 0, CLD_EXITED
);
457 test(m
, "exec-ioschedulingclass-best-effort.service", 0, CLD_EXITED
);
460 static void test_exec_spec_interpolation(Manager
*m
) {
461 test(m
, "exec-spec-interpolation.service", 0, CLD_EXITED
);
464 static void test_exec_read_only_path_suceed(Manager
*m
) {
465 test(m
, "exec-read-only-path-succeed.service", 0, CLD_EXITED
);
468 static void test_exec_unset_environment(Manager
*m
) {
469 test(m
, "exec-unset-environment.service", 0, CLD_EXITED
);
472 static void test_exec_specifier(Manager
*m
) {
473 test(m
, "exec-specifier.service", 0, CLD_EXITED
);
476 static int run_tests(UnitFileScope scope
, const test_function_t
*tests
) {
477 const test_function_t
*test
= NULL
;
483 r
= manager_new(scope
, MANAGER_TEST_RUN_MINIMAL
, &m
);
484 if (MANAGER_SKIP_TEST(r
)) {
485 log_notice_errno(r
, "Skipping test: manager_new: %m");
486 return EXIT_TEST_SKIP
;
489 assert_se(manager_startup(m
, NULL
, NULL
) >= 0);
491 for (test
= tests
; test
&& *test
; test
++)
499 int main(int argc
, char *argv
[]) {
500 static const test_function_t user_tests
[] = {
501 test_exec_bind_paths
,
502 test_exec_workingdirectory
,
503 test_exec_personality
,
504 test_exec_ignoresigpipe
,
505 test_exec_privatetmp
,
506 test_exec_privatedevices
,
507 test_exec_privatedevices_capabilities
,
508 test_exec_protectkernelmodules
,
509 test_exec_readonlypaths
,
510 test_exec_readwritepaths
,
511 test_exec_inaccessiblepaths
,
512 test_exec_inaccessiblepaths_proc
,
513 test_exec_privatenetwork
,
514 test_exec_systemcallfilter
,
515 test_exec_systemcallerrornumber
,
516 test_exec_restrict_namespaces
,
519 test_exec_supplementary_groups
,
520 test_exec_environment
,
521 test_exec_environmentfile
,
522 test_exec_passenvironment
,
524 test_exec_runtimedirectory
,
525 test_exec_capabilityboundingset
,
526 test_exec_capabilityambientset
,
527 test_exec_oomscoreadjust
,
528 test_exec_ioschedulingclass
,
529 test_exec_spec_interpolation
,
530 test_exec_read_only_path_suceed
,
531 test_exec_unset_environment
,
534 static const test_function_t system_tests
[] = {
535 test_exec_systemcall_system_mode_with_user
,
536 test_exec_dynamic_user
,
542 log_set_max_level(LOG_DEBUG
);
543 log_parse_environment();
546 /* It is needed otherwise cgroup creation fails */
548 puts("Skipping test: not root");
549 return EXIT_TEST_SKIP
;
552 r
= enter_cgroup_subroot();
553 if (r
== -ENOMEDIUM
) {
554 puts("Skipping test: cgroupfs not available");
555 return EXIT_TEST_SKIP
;
558 assert_se(setenv("XDG_RUNTIME_DIR", "/tmp/", 1) == 0);
559 assert_se(set_unit_path(get_testdata_dir("/test-execute")) >= 0);
561 /* Unset VAR1, VAR2 and VAR3 which are used in the PassEnvironment test
562 * cases, otherwise (and if they are present in the environment),
563 * `manager_default_environment` will copy them into the default
564 * environment which is passed to each created job, which will make the
565 * tests that expect those not to be present to fail.
567 assert_se(unsetenv("VAR1") == 0);
568 assert_se(unsetenv("VAR2") == 0);
569 assert_se(unsetenv("VAR3") == 0);
571 r
= run_tests(UNIT_FILE_USER
, user_tests
);
575 return run_tests(UNIT_FILE_SYSTEM
, system_tests
);