1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
10 #include "capability-util.h"
11 #include "cpu-set-util.h"
14 #include "errno-list.h"
20 #include "missing_prctl.h"
22 #include "mount-util.h"
23 #include "path-util.h"
24 #include "process-util.h"
26 #include "seccomp-util.h"
28 #include "signal-util.h"
29 #include "static-destruct.h"
30 #include "stat-util.h"
32 #include "tmpfile-util.h"
34 #include "user-util.h"
37 #define PRIVATE_UNIT_DIR "/run/test-execute-unit-dir"
39 static char *user_runtime_unit_dir
= NULL
;
40 static bool can_unshare
;
41 static bool have_net_dummy
;
42 static bool have_netns
;
43 static unsigned n_ran_tests
= 0;
45 STATIC_DESTRUCTOR_REGISTER(user_runtime_unit_dir
, freep
);
47 typedef void (*test_function_t
)(Manager
*m
);
49 static int cld_dumped_to_killed(int code
) {
50 /* Depending on the system, seccomp version, … some signals might result in dumping, others in plain
51 * killing. Let's ignore the difference here, and map both cases to CLD_KILLED */
52 return code
== CLD_DUMPED
? CLD_KILLED
: code
;
55 static void wait_for_service_finish(Manager
*m
, Unit
*unit
) {
56 Service
*service
= NULL
;
58 usec_t timeout
= 2 * USEC_PER_MINUTE
;
63 service
= SERVICE(unit
);
64 printf("%s\n", unit
->id
);
65 exec_context_dump(&service
->exec_context
, stdout
, "\t");
66 ts
= now(CLOCK_MONOTONIC
);
67 while (!IN_SET(service
->state
, SERVICE_DEAD
, SERVICE_FAILED
)) {
71 r
= sd_event_run(m
->event
, 100 * USEC_PER_MSEC
);
74 n
= now(CLOCK_MONOTONIC
);
75 if (ts
+ timeout
< n
) {
76 log_error("Test timeout when testing %s", unit
->id
);
77 r
= unit_kill(unit
, KILL_ALL
, SIGKILL
, SI_USER
, 0, NULL
);
79 log_error_errno(r
, "Failed to kill %s: %m", unit
->id
);
85 static void check_main_result(const char *file
, unsigned line
, const char *func
,
86 Manager
*m
, Unit
*unit
, int status_expected
, int code_expected
) {
87 Service
*service
= NULL
;
92 wait_for_service_finish(m
, unit
);
94 service
= SERVICE(unit
);
95 exec_status_dump(&service
->main_exec_status
, stdout
, "\t");
97 if (cld_dumped_to_killed(service
->main_exec_status
.code
) != cld_dumped_to_killed(code_expected
)) {
98 log_error("%s:%u:%s %s: can_unshare=%s: exit code %d, expected %d",
99 file
, line
, func
, unit
->id
, yes_no(can_unshare
),
100 service
->main_exec_status
.code
, code_expected
);
104 if (service
->main_exec_status
.status
!= status_expected
) {
105 log_error("%s:%u:%s: %s: can_unshare=%s: exit status %d, expected %d",
106 file
, line
, func
, unit
->id
, yes_no(can_unshare
),
107 service
->main_exec_status
.status
, status_expected
);
112 static void check_service_result(const char *file
, unsigned line
, const char *func
,
113 Manager
*m
, Unit
*unit
, ServiceResult result_expected
) {
114 Service
*service
= NULL
;
119 wait_for_service_finish(m
, unit
);
121 service
= SERVICE(unit
);
123 if (service
->result
!= result_expected
) {
124 log_error("%s:%u:%s: %s: can_unshare=%s: service end result %s, expected %s",
125 file
, line
, func
, unit
->id
, yes_no(can_unshare
),
126 service_result_to_string(service
->result
),
127 service_result_to_string(result_expected
));
132 static bool check_nobody_user_and_group(void) {
133 static int cache
= -1;
140 if (!synthesize_nobody())
143 p
= getpwnam(NOBODY_USER_NAME
);
145 !streq(p
->pw_name
, NOBODY_USER_NAME
) ||
146 p
->pw_uid
!= UID_NOBODY
||
147 p
->pw_gid
!= GID_NOBODY
)
150 p
= getpwuid(UID_NOBODY
);
152 !streq(p
->pw_name
, NOBODY_USER_NAME
) ||
153 p
->pw_uid
!= UID_NOBODY
||
154 p
->pw_gid
!= GID_NOBODY
)
157 g
= getgrnam(NOBODY_GROUP_NAME
);
159 !streq(g
->gr_name
, NOBODY_GROUP_NAME
) ||
160 g
->gr_gid
!= GID_NOBODY
)
163 g
= getgrgid(GID_NOBODY
);
165 !streq(g
->gr_name
, NOBODY_GROUP_NAME
) ||
166 g
->gr_gid
!= GID_NOBODY
)
177 static bool check_user_has_group_with_same_name(const char *name
) {
185 !streq(p
->pw_name
, name
))
188 g
= getgrgid(p
->pw_gid
);
190 !streq(g
->gr_name
, name
))
196 static bool is_inaccessible_available(void) {
198 "/run/systemd/inaccessible/reg",
199 "/run/systemd/inaccessible/dir",
200 "/run/systemd/inaccessible/chr",
201 "/run/systemd/inaccessible/blk",
202 "/run/systemd/inaccessible/fifo",
203 "/run/systemd/inaccessible/sock")
204 if (access(p
, F_OK
) < 0)
210 static void start_parent_slices(Unit
*unit
) {
213 slice
= UNIT_GET_SLICE(unit
);
215 start_parent_slices(slice
);
216 int r
= unit_start(slice
, NULL
);
217 assert_se(r
>= 0 || r
== -EALREADY
);
221 static void _test(const char *file
, unsigned line
, const char *func
,
222 Manager
*m
, const char *unit_name
, int status_expected
, int code_expected
) {
225 assert_se(unit_name
);
227 assert_se(manager_load_startable_unit_or_warn(m
, unit_name
, NULL
, &unit
) >= 0);
228 /* We need to start the slices as well otherwise the slice cgroups might be pruned
229 * in on_cgroup_empty_event. */
230 start_parent_slices(unit
);
231 assert_se(unit_start(unit
, NULL
) >= 0);
232 check_main_result(file
, line
, func
, m
, unit
, status_expected
, code_expected
);
236 #define test(m, unit_name, status_expected, code_expected) \
237 _test(PROJECT_FILE, __LINE__, __func__, m, unit_name, status_expected, code_expected)
239 static void _test_service(const char *file
, unsigned line
, const char *func
,
240 Manager
*m
, const char *unit_name
, ServiceResult result_expected
) {
243 assert_se(unit_name
);
245 assert_se(manager_load_startable_unit_or_warn(m
, unit_name
, NULL
, &unit
) >= 0);
246 assert_se(unit_start(unit
, NULL
) >= 0);
247 check_service_result(file
, line
, func
, m
, unit
, result_expected
);
249 #define test_service(m, unit_name, result_expected) \
250 _test_service(PROJECT_FILE, __LINE__, __func__, m, unit_name, result_expected)
252 static void test_exec_bindpaths(Manager
*m
) {
253 assert_se(mkdir_p("/tmp/test-exec-bindpaths", 0755) >= 0);
254 assert_se(mkdir_p("/tmp/test-exec-bindreadonlypaths", 0755) >= 0);
256 test(m
, "exec-bindpaths.service", can_unshare
? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
258 (void) rm_rf("/tmp/test-exec-bindpaths", REMOVE_ROOT
|REMOVE_PHYSICAL
);
259 (void) rm_rf("/tmp/test-exec-bindreadonlypaths", REMOVE_ROOT
|REMOVE_PHYSICAL
);
262 static void test_exec_cpuaffinity(Manager
*m
) {
263 _cleanup_(cpu_set_reset
) CPUSet c
= {};
265 assert_se(cpu_set_realloc(&c
, 8192) >= 0); /* just allocate the maximum possible size */
266 assert_se(sched_getaffinity(0, c
.allocated
, c
.set
) >= 0);
268 if (!CPU_ISSET_S(0, c
.allocated
, c
.set
)) {
269 log_notice("Cannot use CPU 0, skipping %s", __func__
);
273 test(m
, "exec-cpuaffinity1.service", 0, CLD_EXITED
);
274 test(m
, "exec-cpuaffinity2.service", 0, CLD_EXITED
);
276 if (!CPU_ISSET_S(1, c
.allocated
, c
.set
) ||
277 !CPU_ISSET_S(2, c
.allocated
, c
.set
)) {
278 log_notice("Cannot use CPU 1 or 2, skipping remaining tests in %s", __func__
);
282 test(m
, "exec-cpuaffinity3.service", 0, CLD_EXITED
);
285 static void test_exec_credentials(Manager
*m
) {
286 test(m
, "exec-set-credential.service", 0, CLD_EXITED
);
287 test(m
, "exec-load-credential.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_CREDENTIALS
, CLD_EXITED
);
288 test(m
, "exec-credentials-dir-specifier.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_CREDENTIALS
, CLD_EXITED
);
291 static void test_exec_workingdirectory(Manager
*m
) {
292 assert_se(mkdir_p("/tmp/test-exec_workingdirectory", 0755) >= 0);
294 test(m
, "exec-workingdirectory.service", 0, CLD_EXITED
);
295 test(m
, "exec-workingdirectory-trailing-dot.service", 0, CLD_EXITED
);
297 (void) rm_rf("/tmp/test-exec_workingdirectory", REMOVE_ROOT
|REMOVE_PHYSICAL
);
300 static void test_exec_execsearchpath(Manager
*m
) {
301 assert_se(mkdir_p("/tmp/test-exec_execsearchpath", 0755) >= 0);
303 assert_se(copy_file("/bin/ls", "/tmp/test-exec_execsearchpath/ls_temp", 0, 0777, COPY_REPLACE
) >= 0);
305 test(m
, "exec-execsearchpath.service", 0, CLD_EXITED
);
307 assert_se(rm_rf("/tmp/test-exec_execsearchpath", REMOVE_ROOT
|REMOVE_PHYSICAL
) >= 0);
309 test(m
, "exec-execsearchpath.service", EXIT_EXEC
, CLD_EXITED
);
312 static void test_exec_execsearchpath_specifier(Manager
*m
) {
313 test(m
, "exec-execsearchpath-unit-specifier.service", 0, CLD_EXITED
);
316 static void test_exec_execsearchpath_environment(Manager
*m
) {
317 test(m
, "exec-execsearchpath-environment.service", 0, CLD_EXITED
);
318 test(m
, "exec-execsearchpath-environment-path-set.service", 0, CLD_EXITED
);
321 static void test_exec_execsearchpath_environment_files(Manager
*m
) {
322 static const char path_not_set
[] =
323 "VAR1='word1 word2'\n"
329 "line without an equal\n"
332 "VAR5=password\\with\\backslashes";
334 static const char path_set
[] =
335 "VAR1='word1 word2'\n"
341 "line without an equal\n"
344 "VAR5=password\\with\\backslashes\n"
349 r
= write_string_file("/tmp/test-exec_execsearchpath_environmentfile.conf", path_not_set
, WRITE_STRING_FILE_CREATE
);
353 test(m
, "exec-execsearchpath-environmentfile.service", 0, CLD_EXITED
);
355 (void) unlink("/tmp/test-exec_environmentfile.conf");
358 r
= write_string_file("/tmp/test-exec_execsearchpath_environmentfile-set.conf", path_set
, WRITE_STRING_FILE_CREATE
);
362 test(m
, "exec-execsearchpath-environmentfile-set.service", 0, CLD_EXITED
);
364 (void) unlink("/tmp/test-exec_environmentfile-set.conf");
367 static void test_exec_execsearchpath_passenvironment(Manager
*m
) {
368 assert_se(setenv("VAR1", "word1 word2", 1) == 0);
369 assert_se(setenv("VAR2", "word3", 1) == 0);
370 assert_se(setenv("VAR3", "$word 5 6", 1) == 0);
371 assert_se(setenv("VAR4", "new\nline", 1) == 0);
372 assert_se(setenv("VAR5", "passwordwithbackslashes", 1) == 0);
374 test(m
, "exec-execsearchpath-passenvironment.service", 0, CLD_EXITED
);
376 assert_se(setenv("PATH", "/usr", 1) == 0);
377 test(m
, "exec-execsearchpath-passenvironment-set.service", 0, CLD_EXITED
);
379 assert_se(unsetenv("VAR1") == 0);
380 assert_se(unsetenv("VAR2") == 0);
381 assert_se(unsetenv("VAR3") == 0);
382 assert_se(unsetenv("VAR4") == 0);
383 assert_se(unsetenv("VAR5") == 0);
384 assert_se(unsetenv("PATH") == 0);
387 static void test_exec_personality(Manager
*m
) {
388 #if defined(__x86_64__)
389 test(m
, "exec-personality-x86-64.service", 0, CLD_EXITED
);
391 #elif defined(__s390__)
392 test(m
, "exec-personality-s390.service", 0, CLD_EXITED
);
394 #elif defined(__powerpc64__)
395 # if __BYTE_ORDER == __BIG_ENDIAN
396 test(m
, "exec-personality-ppc64.service", 0, CLD_EXITED
);
398 test(m
, "exec-personality-ppc64le.service", 0, CLD_EXITED
);
401 #elif defined(__aarch64__)
402 test(m
, "exec-personality-aarch64.service", 0, CLD_EXITED
);
404 #elif defined(__i386__)
405 test(m
, "exec-personality-x86.service", 0, CLD_EXITED
);
406 #elif defined(__loongarch_lp64)
407 test(m
, "exec-personality-loongarch64.service", 0, CLD_EXITED
);
409 log_notice("Unknown personality, skipping %s", __func__
);
413 static void test_exec_ignoresigpipe(Manager
*m
) {
414 test(m
, "exec-ignoresigpipe-yes.service", 0, CLD_EXITED
);
415 test(m
, "exec-ignoresigpipe-no.service", SIGPIPE
, CLD_KILLED
);
418 static void test_exec_privatetmp(Manager
*m
) {
419 assert_se(touch("/tmp/test-exec_privatetmp") >= 0);
421 test(m
, "exec-privatetmp-yes.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
422 test(m
, "exec-privatetmp-no.service", 0, CLD_EXITED
);
423 test(m
, "exec-privatetmp-disabled-by-prefix.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
425 (void) unlink("/tmp/test-exec_privatetmp");
428 static void test_exec_privatedevices(Manager
*m
) {
431 if (detect_container() > 0) {
432 log_notice("Testing in container, skipping %s", __func__
);
435 if (!is_inaccessible_available()) {
436 log_notice("Testing without inaccessible, skipping %s", __func__
);
440 test(m
, "exec-privatedevices-yes.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
441 test(m
, "exec-privatedevices-no.service", 0, CLD_EXITED
);
442 if (access("/dev/kmsg", F_OK
) >= 0)
443 test(m
, "exec-privatedevices-bind.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
444 test(m
, "exec-privatedevices-disabled-by-prefix.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
445 test(m
, "exec-privatedevices-yes-with-group.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
447 /* We use capsh to test if the capabilities are
448 * properly set, so be sure that it exists */
449 r
= find_executable("capsh", NULL
);
451 log_notice_errno(r
, "Could not find capsh binary, skipping remaining tests in %s: %m", __func__
);
455 test(m
, "exec-privatedevices-yes-capability-mknod.service", can_unshare
|| MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
456 test(m
, "exec-privatedevices-no-capability-mknod.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_FAILURE
, CLD_EXITED
);
457 test(m
, "exec-privatedevices-yes-capability-sys-rawio.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
458 test(m
, "exec-privatedevices-no-capability-sys-rawio.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_FAILURE
, CLD_EXITED
);
461 static void test_exec_protecthome(Manager
*m
) {
463 log_notice("Cannot reliably unshare, skipping %s", __func__
);
467 test(m
, "exec-protecthome-tmpfs-vs-protectsystem-strict.service", 0, CLD_EXITED
);
470 static void test_exec_protectkernelmodules(Manager
*m
) {
473 if (detect_container() > 0) {
474 log_notice("Testing in container, skipping %s", __func__
);
477 if (!is_inaccessible_available()) {
478 log_notice("Testing without inaccessible, skipping %s", __func__
);
482 r
= find_executable("capsh", NULL
);
484 log_notice_errno(r
, "Skipping %s, could not find capsh binary: %m", __func__
);
488 test(m
, "exec-protectkernelmodules-no-capabilities.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_FAILURE
, CLD_EXITED
);
489 test(m
, "exec-protectkernelmodules-yes-capabilities.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
490 test(m
, "exec-protectkernelmodules-yes-mount-propagation.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
493 static void test_exec_readonlypaths(Manager
*m
) {
495 test(m
, "exec-readonlypaths-simple.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
497 if (path_is_read_only_fs("/var") > 0) {
498 log_notice("Directory /var is readonly, skipping remaining tests in %s", __func__
);
502 test(m
, "exec-readonlypaths.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
503 test(m
, "exec-readonlypaths-with-bindpaths.service", can_unshare
? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
504 test(m
, "exec-readonlypaths-mount-propagation.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
507 static void test_exec_readwritepaths(Manager
*m
) {
509 if (path_is_read_only_fs("/") > 0) {
510 log_notice("Root directory is readonly, skipping %s", __func__
);
514 test(m
, "exec-readwritepaths-mount-propagation.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
517 static void test_exec_inaccessiblepaths(Manager
*m
) {
519 if (!is_inaccessible_available()) {
520 log_notice("Testing without inaccessible, skipping %s", __func__
);
524 test(m
, "exec-inaccessiblepaths-sys.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
526 if (path_is_read_only_fs("/") > 0) {
527 log_notice("Root directory is readonly, skipping remaining tests in %s", __func__
);
531 test(m
, "exec-inaccessiblepaths-mount-propagation.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
534 static int on_spawn_io(sd_event_source
*s
, int fd
, uint32_t revents
, void *userdata
) {
535 char **result
= userdata
;
542 l
= read(fd
, buf
, sizeof(buf
) - 1);
554 assert_se(strextend(result
, buf
));
556 log_error("ldd: %s", buf
);
559 /* Re-enable the event source if we did not encounter EOF */
560 assert_se(sd_event_source_set_enabled(s
, SD_EVENT_ONESHOT
) >= 0);
564 static int on_spawn_timeout(sd_event_source
*s
, uint64_t usec
, void *userdata
) {
565 pid_t
*pid
= userdata
;
569 (void) kill(*pid
, SIGKILL
);
574 static int on_spawn_sigchld(sd_event_source
*s
, const siginfo_t
*si
, void *userdata
) {
579 if (si
->si_code
== CLD_EXITED
)
582 sd_event_exit(sd_event_source_get_event(s
), ret
);
586 static int find_libraries(const char *exec
, char ***ret
) {
587 _cleanup_(sd_event_unrefp
) sd_event
*e
= NULL
;
588 _cleanup_(sd_event_source_unrefp
) sd_event_source
*sigchld_source
= NULL
;
589 _cleanup_(sd_event_source_unrefp
) sd_event_source
*stdout_source
= NULL
;
590 _cleanup_(sd_event_source_unrefp
) sd_event_source
*stderr_source
= NULL
;
591 _cleanup_close_pair_
int outpipe
[2] = EBADF_PAIR
, errpipe
[2] = EBADF_PAIR
;
592 _cleanup_strv_free_
char **libraries
= NULL
;
593 _cleanup_free_
char *result
= NULL
;
600 assert_se(sigprocmask_many(SIG_BLOCK
, NULL
, SIGCHLD
, -1) >= 0);
602 assert_se(pipe2(outpipe
, O_NONBLOCK
|O_CLOEXEC
) == 0);
603 assert_se(pipe2(errpipe
, O_NONBLOCK
|O_CLOEXEC
) == 0);
605 r
= safe_fork_full("(spawn-ldd)",
606 (int[]) { -EBADF
, outpipe
[1], errpipe
[1] },
608 FORK_RESET_SIGNALS
|FORK_CLOSE_ALL_FDS
|FORK_DEATHSIG_SIGTERM
|FORK_REARRANGE_STDIO
|FORK_LOG
, &pid
);
611 execlp("ldd", "ldd", exec
, NULL
);
615 outpipe
[1] = safe_close(outpipe
[1]);
616 errpipe
[1] = safe_close(errpipe
[1]);
618 assert_se(sd_event_new(&e
) >= 0);
620 assert_se(sd_event_add_time_relative(e
, NULL
, CLOCK_MONOTONIC
,
621 10 * USEC_PER_SEC
, USEC_PER_SEC
, on_spawn_timeout
, &pid
) >= 0);
622 assert_se(sd_event_add_io(e
, &stdout_source
, outpipe
[0], EPOLLIN
, on_spawn_io
, &result
) >= 0);
623 assert_se(sd_event_source_set_enabled(stdout_source
, SD_EVENT_ONESHOT
) >= 0);
624 assert_se(sd_event_add_io(e
, &stderr_source
, errpipe
[0], EPOLLIN
, on_spawn_io
, NULL
) >= 0);
625 assert_se(sd_event_source_set_enabled(stderr_source
, SD_EVENT_ONESHOT
) >= 0);
626 assert_se(sd_event_add_child(e
, &sigchld_source
, pid
, WEXITED
, on_spawn_sigchld
, NULL
) >= 0);
627 /* SIGCHLD should be processed after IO is complete */
628 assert_se(sd_event_source_set_priority(sigchld_source
, SD_EVENT_PRIORITY_NORMAL
+ 1) >= 0);
630 assert_se(sd_event_loop(e
) >= 0);
632 _cleanup_strv_free_
char **v
= NULL
;
633 assert_se(strv_split_newlines_full(&v
, result
, 0) >= 0);
636 _cleanup_free_
char *word
= NULL
;
639 r
= extract_first_word(&p
, &word
, NULL
, 0);
644 if (path_is_absolute(word
)) {
645 assert_se(strv_consume(&libraries
, TAKE_PTR(word
)) >= 0);
650 r
= extract_first_word(&p
, &word
, NULL
, 0);
655 if (!streq_ptr(word
, "=>"))
659 r
= extract_first_word(&p
, &word
, NULL
, 0);
664 if (path_is_absolute(word
)) {
665 assert_se(strv_consume(&libraries
, TAKE_PTR(word
)) >= 0);
670 *ret
= TAKE_PTR(libraries
);
674 static void test_exec_mount_apivfs(Manager
*m
) {
675 _cleanup_free_
char *fullpath_touch
= NULL
, *fullpath_test
= NULL
, *data
= NULL
;
676 _cleanup_strv_free_
char **libraries
= NULL
, **libraries_test
= NULL
;
679 assert_se(user_runtime_unit_dir
);
681 r
= find_executable("ldd", NULL
);
683 log_notice_errno(r
, "Skipping %s, could not find 'ldd' command: %m", __func__
);
686 r
= find_executable("touch", &fullpath_touch
);
688 log_notice_errno(r
, "Skipping %s, could not find 'touch' command: %m", __func__
);
691 r
= find_executable("test", &fullpath_test
);
693 log_notice_errno(r
, "Skipping %s, could not find 'test' command: %m", __func__
);
697 assert_se(find_libraries(fullpath_touch
, &libraries
) >= 0);
698 assert_se(find_libraries(fullpath_test
, &libraries_test
) >= 0);
699 assert_se(strv_extend_strv(&libraries
, libraries_test
, true) >= 0);
701 assert_se(strextend(&data
, "[Service]\n"));
702 assert_se(strextend(&data
, "ExecStart=", fullpath_touch
, " /aaa\n"));
703 assert_se(strextend(&data
, "ExecStart=", fullpath_test
, " -f /aaa\n"));
704 assert_se(strextend(&data
, "BindReadOnlyPaths=", fullpath_touch
, "\n"));
705 assert_se(strextend(&data
, "BindReadOnlyPaths=", fullpath_test
, "\n"));
707 STRV_FOREACH(p
, libraries
)
708 assert_se(strextend(&data
, "BindReadOnlyPaths=", *p
, "\n"));
710 assert_se(write_drop_in(user_runtime_unit_dir
, "exec-mount-apivfs-no.service", 10, "bind-mount", data
) >= 0);
712 assert_se(mkdir_p("/tmp/test-exec-mount-apivfs-no/root", 0755) >= 0);
714 test(m
, "exec-mount-apivfs-no.service", can_unshare
|| !MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
716 (void) rm_rf("/tmp/test-exec-mount-apivfs-no/root", REMOVE_ROOT
|REMOVE_PHYSICAL
);
719 static void test_exec_noexecpaths(Manager
*m
) {
721 test(m
, "exec-noexecpaths-simple.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
724 static void test_exec_temporaryfilesystem(Manager
*m
) {
726 test(m
, "exec-temporaryfilesystem-options.service", can_unshare
? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
727 test(m
, "exec-temporaryfilesystem-ro.service", can_unshare
? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
728 test(m
, "exec-temporaryfilesystem-rw.service", can_unshare
? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
729 test(m
, "exec-temporaryfilesystem-usr.service", can_unshare
? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
732 static void test_exec_systemcallfilter(Manager
*m
) {
736 if (!is_seccomp_available()) {
737 log_notice("Seccomp not available, skipping %s", __func__
);
741 test(m
, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED
);
742 test(m
, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED
);
743 test(m
, "exec-systemcallfilter-not-failing3.service", 0, CLD_EXITED
);
744 test(m
, "exec-systemcallfilter-failing.service", SIGSYS
, CLD_KILLED
);
745 test(m
, "exec-systemcallfilter-failing2.service", SIGSYS
, CLD_KILLED
);
746 test(m
, "exec-systemcallfilter-failing3.service", SIGSYS
, CLD_KILLED
);
748 r
= find_executable("python3", NULL
);
750 log_notice_errno(r
, "Skipping remaining tests in %s, could not find python3 binary: %m", __func__
);
754 test(m
, "exec-systemcallfilter-with-errno-name.service", errno_from_name("EILSEQ"), CLD_EXITED
);
755 test(m
, "exec-systemcallfilter-with-errno-number.service", 255, CLD_EXITED
);
756 test(m
, "exec-systemcallfilter-with-errno-multi.service", errno_from_name("EILSEQ"), CLD_EXITED
);
757 test(m
, "exec-systemcallfilter-with-errno-in-allow-list.service", errno_from_name("EILSEQ"), CLD_EXITED
);
758 test(m
, "exec-systemcallfilter-override-error-action.service", SIGSYS
, CLD_KILLED
);
759 test(m
, "exec-systemcallfilter-override-error-action2.service", errno_from_name("EILSEQ"), CLD_EXITED
);
761 test(m
, "exec-systemcallfilter-nonewprivileges.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
762 test(m
, "exec-systemcallfilter-nonewprivileges-protectclock.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
764 r
= find_executable("capsh", NULL
);
766 log_notice_errno(r
, "Skipping %s, could not find capsh binary: %m", __func__
);
770 test(m
, "exec-systemcallfilter-nonewprivileges-bounding1.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
771 test(m
, "exec-systemcallfilter-nonewprivileges-bounding2.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
775 static void test_exec_systemcallerrornumber(Manager
*m
) {
779 if (!is_seccomp_available()) {
780 log_notice("Seccomp not available, skipping %s", __func__
);
784 r
= find_executable("python3", NULL
);
786 log_notice_errno(r
, "Skipping %s, could not find python3 binary: %m", __func__
);
790 test(m
, "exec-systemcallerrornumber-name.service", errno_from_name("EACCES"), CLD_EXITED
);
791 test(m
, "exec-systemcallerrornumber-number.service", 255, CLD_EXITED
);
795 static void test_exec_restrictnamespaces(Manager
*m
) {
797 if (!is_seccomp_available()) {
798 log_notice("Seccomp not available, skipping %s", __func__
);
802 test(m
, "exec-restrictnamespaces-no.service", can_unshare
? 0 : EXIT_FAILURE
, CLD_EXITED
);
803 test(m
, "exec-restrictnamespaces-yes.service", 1, CLD_EXITED
);
804 test(m
, "exec-restrictnamespaces-mnt.service", can_unshare
? 0 : EXIT_FAILURE
, CLD_EXITED
);
805 test(m
, "exec-restrictnamespaces-mnt-deny-list.service", 1, CLD_EXITED
);
806 test(m
, "exec-restrictnamespaces-merge-and.service", can_unshare
? 0 : EXIT_FAILURE
, CLD_EXITED
);
807 test(m
, "exec-restrictnamespaces-merge-or.service", can_unshare
? 0 : EXIT_FAILURE
, CLD_EXITED
);
808 test(m
, "exec-restrictnamespaces-merge-all.service", can_unshare
? 0 : EXIT_FAILURE
, CLD_EXITED
);
812 static void test_exec_systemcallfilter_system(Manager
*m
) {
813 /* Skip this particular test case when running under ASan, as
814 * LSan intermittently segfaults when accessing memory right
815 * after the test finishes. Generally, ASan & LSan don't like
818 #if HAVE_SECCOMP && !HAS_FEATURE_ADDRESS_SANITIZER
819 if (!is_seccomp_available()) {
820 log_notice("Seccomp not available, skipping %s", __func__
);
824 test(m
, "exec-systemcallfilter-system-user.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
826 if (!check_nobody_user_and_group()) {
827 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__
);
831 if (!STR_IN_SET(NOBODY_USER_NAME
, "nobody", "nfsnobody")) {
832 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME
, __func__
);
836 test(m
, "exec-systemcallfilter-system-user-" NOBODY_USER_NAME
".service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
840 static void test_exec_user(Manager
*m
) {
841 test(m
, "exec-user.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
843 if (!check_nobody_user_and_group()) {
844 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__
);
848 if (!STR_IN_SET(NOBODY_USER_NAME
, "nobody", "nfsnobody")) {
849 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME
, __func__
);
853 test(m
, "exec-user-" NOBODY_USER_NAME
".service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
856 static void test_exec_group(Manager
*m
) {
857 test(m
, "exec-group.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
859 if (!check_nobody_user_and_group()) {
860 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__
);
864 if (!STR_IN_SET(NOBODY_GROUP_NAME
, "nobody", "nfsnobody", "nogroup")) {
865 log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME
, __func__
);
869 test(m
, "exec-group-" NOBODY_GROUP_NAME
".service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
872 static void test_exec_supplementarygroups(Manager
*m
) {
873 int status
= MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
;
874 test(m
, "exec-supplementarygroups.service", status
, CLD_EXITED
);
875 test(m
, "exec-supplementarygroups-single-group.service", status
, CLD_EXITED
);
876 test(m
, "exec-supplementarygroups-single-group-user.service", status
, CLD_EXITED
);
877 test(m
, "exec-supplementarygroups-multiple-groups-default-group-user.service", status
, CLD_EXITED
);
878 test(m
, "exec-supplementarygroups-multiple-groups-withgid.service", status
, CLD_EXITED
);
879 test(m
, "exec-supplementarygroups-multiple-groups-withuid.service", status
, CLD_EXITED
);
882 static char* private_directory_bad(Manager
*m
) {
883 /* This mirrors setup_exec_directory(). */
885 for (ExecDirectoryType dt
= 0; dt
< _EXEC_DIRECTORY_TYPE_MAX
; dt
++) {
886 _cleanup_free_
char *p
= NULL
;
889 assert_se(p
= path_join(m
->prefix
[dt
], "private"));
891 if (stat(p
, &st
) >= 0 &&
892 (st
.st_mode
& (S_IRWXG
|S_IRWXO
)))
899 static void test_exec_dynamicuser(Manager
*m
) {
900 _cleanup_free_
char *bad
= private_directory_bad(m
);
902 log_warning("%s: %s has bad permissions, skipping test.", __func__
, bad
);
906 if (strstr_ptr(ci_environment(), "github-actions")) {
907 log_notice("%s: skipping test on GH Actions because of systemd/systemd#10337", __func__
);
911 int status
= can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_NAMESPACE
: EXIT_GROUP
;
913 test(m
, "exec-dynamicuser-fixeduser.service", status
, CLD_EXITED
);
914 if (check_user_has_group_with_same_name("adm"))
915 test(m
, "exec-dynamicuser-fixeduser-adm.service", status
, CLD_EXITED
);
916 if (check_user_has_group_with_same_name("games"))
917 test(m
, "exec-dynamicuser-fixeduser-games.service", status
, CLD_EXITED
);
918 test(m
, "exec-dynamicuser-fixeduser-one-supplementarygroup.service", status
, CLD_EXITED
);
919 test(m
, "exec-dynamicuser-supplementarygroups.service", status
, CLD_EXITED
);
920 test(m
, "exec-dynamicuser-statedir.service", status
, CLD_EXITED
);
922 (void) rm_rf("/var/lib/quux", REMOVE_ROOT
|REMOVE_PHYSICAL
);
923 (void) rm_rf("/var/lib/test-dynamicuser-migrate", REMOVE_ROOT
|REMOVE_PHYSICAL
);
924 (void) rm_rf("/var/lib/test-dynamicuser-migrate2", REMOVE_ROOT
|REMOVE_PHYSICAL
);
925 (void) rm_rf("/var/lib/waldo", REMOVE_ROOT
|REMOVE_PHYSICAL
);
926 (void) rm_rf("/var/lib/private/quux", REMOVE_ROOT
|REMOVE_PHYSICAL
);
927 (void) rm_rf("/var/lib/private/test-dynamicuser-migrate", REMOVE_ROOT
|REMOVE_PHYSICAL
);
928 (void) rm_rf("/var/lib/private/test-dynamicuser-migrate2", REMOVE_ROOT
|REMOVE_PHYSICAL
);
929 (void) rm_rf("/var/lib/private/waldo", REMOVE_ROOT
|REMOVE_PHYSICAL
);
931 test(m
, "exec-dynamicuser-statedir-migrate-step1.service", 0, CLD_EXITED
);
932 test(m
, "exec-dynamicuser-statedir-migrate-step2.service", status
, CLD_EXITED
);
933 test(m
, "exec-dynamicuser-statedir-migrate-step1.service", 0, CLD_EXITED
);
935 (void) rm_rf("/var/lib/test-dynamicuser-migrate", REMOVE_ROOT
|REMOVE_PHYSICAL
);
936 (void) rm_rf("/var/lib/test-dynamicuser-migrate2", REMOVE_ROOT
|REMOVE_PHYSICAL
);
937 (void) rm_rf("/var/lib/private/test-dynamicuser-migrate", REMOVE_ROOT
|REMOVE_PHYSICAL
);
938 (void) rm_rf("/var/lib/private/test-dynamicuser-migrate2", REMOVE_ROOT
|REMOVE_PHYSICAL
);
940 test(m
, "exec-dynamicuser-runtimedirectory1.service", status
, CLD_EXITED
);
941 test(m
, "exec-dynamicuser-runtimedirectory2.service", status
, CLD_EXITED
);
942 test(m
, "exec-dynamicuser-runtimedirectory3.service", status
, CLD_EXITED
);
945 static void test_exec_environment(Manager
*m
) {
946 test(m
, "exec-environment-no-substitute.service", 0, CLD_EXITED
);
947 test(m
, "exec-environment.service", 0, CLD_EXITED
);
948 test(m
, "exec-environment-multiple.service", 0, CLD_EXITED
);
949 test(m
, "exec-environment-empty.service", 0, CLD_EXITED
);
952 static void test_exec_environmentfile(Manager
*m
) {
953 static const char e
[] =
954 "VAR1='word1 word2'\n"
960 "line without an equal\n"
963 "VAR5=password\\with\\backslashes";
966 r
= write_string_file("/tmp/test-exec_environmentfile.conf", e
, WRITE_STRING_FILE_CREATE
);
969 test(m
, "exec-environmentfile.service", 0, CLD_EXITED
);
971 (void) unlink("/tmp/test-exec_environmentfile.conf");
974 static void test_exec_passenvironment(Manager
*m
) {
975 /* test-execute runs under MANAGER_USER which, by default, forwards all
976 * variables present in the environment, but only those that are
977 * present _at the time it is created_!
979 * So these PassEnvironment checks are still expected to work, since we
980 * are ensuring the variables are not present at manager creation (they
981 * are unset explicitly in main) and are only set here.
983 * This is still a good approximation of how a test for MANAGER_SYSTEM
986 assert_se(setenv("VAR1", "word1 word2", 1) == 0);
987 assert_se(setenv("VAR2", "word3", 1) == 0);
988 assert_se(setenv("VAR3", "$word 5 6", 1) == 0);
989 assert_se(setenv("VAR4", "new\nline", 1) == 0);
990 assert_se(setenv("VAR5", "passwordwithbackslashes", 1) == 0);
991 test(m
, "exec-passenvironment.service", 0, CLD_EXITED
);
992 test(m
, "exec-passenvironment-repeated.service", 0, CLD_EXITED
);
993 test(m
, "exec-passenvironment-empty.service", 0, CLD_EXITED
);
994 assert_se(unsetenv("VAR1") == 0);
995 assert_se(unsetenv("VAR2") == 0);
996 assert_se(unsetenv("VAR3") == 0);
997 assert_se(unsetenv("VAR4") == 0);
998 assert_se(unsetenv("VAR5") == 0);
999 test(m
, "exec-passenvironment-absent.service", 0, CLD_EXITED
);
1002 static void test_exec_umask(Manager
*m
) {
1003 test(m
, "exec-umask-default.service", can_unshare
|| MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
1004 test(m
, "exec-umask-0177.service", can_unshare
|| MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
1007 static void test_exec_runtimedirectory(Manager
*m
) {
1008 (void) rm_rf("/run/test-exec_runtimedirectory2", REMOVE_ROOT
|REMOVE_PHYSICAL
);
1009 test(m
, "exec-runtimedirectory.service", 0, CLD_EXITED
);
1010 (void) rm_rf("/run/test-exec_runtimedirectory2", REMOVE_ROOT
|REMOVE_PHYSICAL
);
1012 test(m
, "exec-runtimedirectory-mode.service", 0, CLD_EXITED
);
1013 test(m
, "exec-runtimedirectory-owner.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
1015 if (!check_nobody_user_and_group()) {
1016 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__
);
1020 if (!STR_IN_SET(NOBODY_GROUP_NAME
, "nobody", "nfsnobody", "nogroup")) {
1021 log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME
, __func__
);
1025 test(m
, "exec-runtimedirectory-owner-" NOBODY_GROUP_NAME
".service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_GROUP
, CLD_EXITED
);
1028 static void test_exec_capabilityboundingset(Manager
*m
) {
1031 r
= find_executable("capsh", NULL
);
1033 log_notice_errno(r
, "Skipping %s, could not find capsh binary: %m", __func__
);
1037 if (have_effective_cap(CAP_CHOWN
) <= 0 ||
1038 have_effective_cap(CAP_FOWNER
) <= 0 ||
1039 have_effective_cap(CAP_KILL
) <= 0) {
1040 log_notice("Skipping %s, this process does not have enough capabilities", __func__
);
1044 test(m
, "exec-capabilityboundingset-simple.service", 0, CLD_EXITED
);
1045 test(m
, "exec-capabilityboundingset-reset.service", 0, CLD_EXITED
);
1046 test(m
, "exec-capabilityboundingset-merge.service", 0, CLD_EXITED
);
1047 test(m
, "exec-capabilityboundingset-invert.service", 0, CLD_EXITED
);
1050 static void test_exec_basic(Manager
*m
) {
1051 test(m
, "exec-basic.service", can_unshare
|| MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
1054 static void test_exec_ambientcapabilities(Manager
*m
) {
1057 /* Check if the kernel has support for ambient capabilities. Run
1058 * the tests only if that's the case. Clearing all ambient
1059 * capabilities is fine, since we are expecting them to be unset
1060 * in the first place for the tests. */
1061 r
= prctl(PR_CAP_AMBIENT
, PR_CAP_AMBIENT_CLEAR_ALL
, 0, 0, 0);
1062 if (r
< 0 && IN_SET(errno
, EINVAL
, EOPNOTSUPP
, ENOSYS
)) {
1063 log_notice("Skipping %s, the kernel does not support ambient capabilities", __func__
);
1067 if (have_effective_cap(CAP_CHOWN
) <= 0 ||
1068 have_effective_cap(CAP_NET_RAW
) <= 0) {
1069 log_notice("Skipping %s, this process does not have enough capabilities", __func__
);
1073 test(m
, "exec-ambientcapabilities.service", 0, CLD_EXITED
);
1074 test(m
, "exec-ambientcapabilities-merge.service", 0, CLD_EXITED
);
1076 if (have_effective_cap(CAP_SETUID
) > 0)
1077 test(m
, "exec-ambientcapabilities-dynuser.service", can_unshare
? 0 : EXIT_NAMESPACE
, CLD_EXITED
);
1079 if (!check_nobody_user_and_group()) {
1080 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__
);
1084 if (!STR_IN_SET(NOBODY_USER_NAME
, "nobody", "nfsnobody")) {
1085 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME
, __func__
);
1089 test(m
, "exec-ambientcapabilities-" NOBODY_USER_NAME
".service", 0, CLD_EXITED
);
1090 test(m
, "exec-ambientcapabilities-merge-" NOBODY_USER_NAME
".service", 0, CLD_EXITED
);
1093 static void test_exec_privatenetwork(Manager
*m
) {
1096 if (!have_net_dummy
)
1097 return (void)log_notice("Skipping %s, dummy network interface not available", __func__
);
1099 r
= find_executable("ip", NULL
);
1101 log_notice_errno(r
, "Skipping %s, could not find ip binary: %m", __func__
);
1105 test(m
, "exec-privatenetwork-yes-privatemounts-no.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_NETWORK
: EXIT_FAILURE
, CLD_EXITED
);
1106 test(m
, "exec-privatenetwork-yes-privatemounts-yes.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_NETWORK
: EXIT_NAMESPACE
, CLD_EXITED
);
1109 static void test_exec_networknamespacepath(Manager
*m
) {
1112 if (!have_net_dummy
)
1113 return (void)log_notice("Skipping %s, dummy network interface not available", __func__
);
1116 return (void)log_notice("Skipping %s, network namespace not available", __func__
);
1118 r
= find_executable("ip", NULL
);
1120 log_notice_errno(r
, "Skipping %s, could not find ip binary: %m", __func__
);
1124 test(m
, "exec-networknamespacepath-privatemounts-no.service", MANAGER_IS_SYSTEM(m
) ? EXIT_SUCCESS
: EXIT_FAILURE
, CLD_EXITED
);
1125 test(m
, "exec-networknamespacepath-privatemounts-yes.service", can_unshare
? EXIT_SUCCESS
: MANAGER_IS_SYSTEM(m
) ? EXIT_FAILURE
: EXIT_NAMESPACE
, CLD_EXITED
);
1128 static void test_exec_oomscoreadjust(Manager
*m
) {
1129 test(m
, "exec-oomscoreadjust-positive.service", 0, CLD_EXITED
);
1131 if (detect_container() > 0) {
1132 log_notice("Testing in container, skipping remaining tests in %s", __func__
);
1135 test(m
, "exec-oomscoreadjust-negative.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_FAILURE
, CLD_EXITED
);
1138 static void test_exec_ioschedulingclass(Manager
*m
) {
1139 test(m
, "exec-ioschedulingclass-none.service", 0, CLD_EXITED
);
1140 test(m
, "exec-ioschedulingclass-idle.service", 0, CLD_EXITED
);
1141 test(m
, "exec-ioschedulingclass-best-effort.service", 0, CLD_EXITED
);
1143 if (detect_container() > 0) {
1144 log_notice("Testing in container, skipping remaining tests in %s", __func__
);
1147 test(m
, "exec-ioschedulingclass-realtime.service", MANAGER_IS_SYSTEM(m
) ? 0 : EXIT_IOPRIO
, CLD_EXITED
);
1150 static void test_exec_unsetenvironment(Manager
*m
) {
1151 test(m
, "exec-unsetenvironment.service", 0, CLD_EXITED
);
1154 static void test_exec_specifier(Manager
*m
) {
1155 test(m
, "exec-specifier.service", 0, CLD_EXITED
);
1156 if (MANAGER_IS_SYSTEM(m
))
1157 test(m
, "exec-specifier-system.service", 0, CLD_EXITED
);
1159 test(m
, "exec-specifier-user.service", 0, CLD_EXITED
);
1160 test(m
, "exec-specifier@foo-bar.service", 0, CLD_EXITED
);
1161 test(m
, "exec-specifier-interpolation.service", 0, CLD_EXITED
);
1164 static void test_exec_standardinput(Manager
*m
) {
1165 test(m
, "exec-standardinput-data.service", 0, CLD_EXITED
);
1166 test(m
, "exec-standardinput-file.service", 0, CLD_EXITED
);
1167 test(m
, "exec-standardinput-file-cat.service", 0, CLD_EXITED
);
1170 static void test_exec_standardoutput(Manager
*m
) {
1171 test(m
, "exec-standardoutput-file.service", 0, CLD_EXITED
);
1174 static void test_exec_standardoutput_append(Manager
*m
) {
1175 test(m
, "exec-standardoutput-append.service", 0, CLD_EXITED
);
1178 static void test_exec_standardoutput_truncate(Manager
*m
) {
1179 test(m
, "exec-standardoutput-truncate.service", 0, CLD_EXITED
);
1182 static void test_exec_condition(Manager
*m
) {
1183 test_service(m
, "exec-condition-failed.service", SERVICE_FAILURE_EXIT_CODE
);
1184 test_service(m
, "exec-condition-skip.service", SERVICE_SKIP_CONDITION
);
1187 static void test_exec_umask_namespace(Manager
*m
) {
1188 /* exec-specifier-credentials-dir.service creates /run/credentials and enables implicit
1189 * InaccessiblePath= for the directory for all later services with mount namespace. */
1190 if (!is_inaccessible_available()) {
1191 log_notice("Testing without inaccessible, skipping %s", __func__
);
1194 test(m
, "exec-umask-namespace.service", can_unshare
? 0 : MANAGER_IS_SYSTEM(m
) ? EXIT_NAMESPACE
: EXIT_GROUP
, CLD_EXITED
);
1197 typedef struct test_entry
{
1202 #define entry(x) {x, #x}
1204 static void run_tests(RuntimeScope scope
, char **patterns
) {
1205 _cleanup_(rm_rf_physical_and_freep
) char *runtime_dir
= NULL
;
1206 _cleanup_free_
char *unit_paths
= NULL
;
1207 _cleanup_(manager_freep
) Manager
*m
= NULL
;
1208 usec_t start
, finish
;
1211 static const test_entry tests
[] = {
1212 entry(test_exec_basic
),
1213 entry(test_exec_ambientcapabilities
),
1214 entry(test_exec_bindpaths
),
1215 entry(test_exec_capabilityboundingset
),
1216 entry(test_exec_condition
),
1217 entry(test_exec_cpuaffinity
),
1218 entry(test_exec_credentials
),
1219 entry(test_exec_dynamicuser
),
1220 entry(test_exec_environment
),
1221 entry(test_exec_environmentfile
),
1222 entry(test_exec_execsearchpath
),
1223 entry(test_exec_execsearchpath_environment
),
1224 entry(test_exec_execsearchpath_environment_files
),
1225 entry(test_exec_execsearchpath_passenvironment
),
1226 entry(test_exec_execsearchpath_specifier
),
1227 entry(test_exec_group
),
1228 entry(test_exec_ignoresigpipe
),
1229 entry(test_exec_inaccessiblepaths
),
1230 entry(test_exec_ioschedulingclass
),
1231 entry(test_exec_mount_apivfs
),
1232 entry(test_exec_networknamespacepath
),
1233 entry(test_exec_noexecpaths
),
1234 entry(test_exec_oomscoreadjust
),
1235 entry(test_exec_passenvironment
),
1236 entry(test_exec_personality
),
1237 entry(test_exec_privatedevices
),
1238 entry(test_exec_privatenetwork
),
1239 entry(test_exec_privatetmp
),
1240 entry(test_exec_protecthome
),
1241 entry(test_exec_protectkernelmodules
),
1242 entry(test_exec_readonlypaths
),
1243 entry(test_exec_readwritepaths
),
1244 entry(test_exec_restrictnamespaces
),
1245 entry(test_exec_runtimedirectory
),
1246 entry(test_exec_specifier
),
1247 entry(test_exec_standardinput
),
1248 entry(test_exec_standardoutput
),
1249 entry(test_exec_standardoutput_append
),
1250 entry(test_exec_standardoutput_truncate
),
1251 entry(test_exec_supplementarygroups
),
1252 entry(test_exec_systemcallerrornumber
),
1253 entry(test_exec_systemcallfilter
),
1254 entry(test_exec_systemcallfilter_system
),
1255 entry(test_exec_temporaryfilesystem
),
1256 entry(test_exec_umask
),
1257 entry(test_exec_umask_namespace
),
1258 entry(test_exec_unsetenvironment
),
1259 entry(test_exec_user
),
1260 entry(test_exec_workingdirectory
),
1264 assert_se(unsetenv("USER") == 0);
1265 assert_se(unsetenv("LOGNAME") == 0);
1266 assert_se(unsetenv("SHELL") == 0);
1267 assert_se(unsetenv("HOME") == 0);
1268 assert_se(unsetenv("TMPDIR") == 0);
1270 /* Unset VARx, especially, VAR1, VAR2 and VAR3, which are used in the PassEnvironment test cases,
1271 * otherwise (and if they are present in the environment), `manager_default_environment` will copy
1272 * them into the default environment which is passed to each created job, which will make the tests
1273 * that expect those not to be present to fail. */
1274 assert_se(unsetenv("VAR1") == 0);
1275 assert_se(unsetenv("VAR2") == 0);
1276 assert_se(unsetenv("VAR3") == 0);
1277 assert_se(unsetenv("VAR4") == 0);
1278 assert_se(unsetenv("VAR5") == 0);
1280 assert_se(runtime_dir
= setup_fake_runtime_dir());
1281 assert_se(user_runtime_unit_dir
= path_join(runtime_dir
, "systemd/user"));
1282 assert_se(unit_paths
= strjoin(PRIVATE_UNIT_DIR
, ":", user_runtime_unit_dir
));
1283 assert_se(set_unit_path(unit_paths
) >= 0);
1285 r
= manager_new(scope
, MANAGER_TEST_RUN_BASIC
, &m
);
1286 if (manager_errno_skip_test(r
))
1287 return (void) log_tests_skipped_errno(r
, "manager_new");
1290 m
->defaults
.std_output
= EXEC_OUTPUT_NULL
; /* don't rely on host journald */
1291 assert_se(manager_startup(m
, NULL
, NULL
, NULL
) >= 0);
1293 /* Uncomment below if you want to make debugging logs stored to journal. */
1294 //manager_override_log_target(m, LOG_TARGET_AUTO);
1295 //manager_override_log_level(m, LOG_DEBUG);
1297 /* Measure and print the time that it takes to run tests, excluding startup of the manager object,
1298 * to try and measure latency of spawning services */
1300 start
= now(CLOCK_MONOTONIC
);
1302 for (const test_entry
*test
= tests
; test
->f
; test
++)
1303 if (strv_fnmatch_or_empty(patterns
, test
->name
, FNM_NOESCAPE
))
1306 log_info("Skipping %s because it does not match any pattern.", test
->name
);
1308 finish
= now(CLOCK_MONOTONIC
);
1310 log_info("ran %u tests with %s manager + unshare=%s in: %s",
1312 scope
== RUNTIME_SCOPE_SYSTEM
? "system" : "user",
1313 yes_no(can_unshare
),
1314 FORMAT_TIMESPAN(finish
- start
, USEC_PER_MSEC
));
1317 static int prepare_ns(const char *process_name
) {
1320 r
= safe_fork(process_name
,
1321 FORK_RESET_SIGNALS
|
1322 FORK_CLOSE_ALL_FDS
|
1323 FORK_DEATHSIG_SIGTERM
|
1332 _cleanup_free_
char *unit_dir
= NULL
;
1334 /* Make "/" read-only. */
1335 assert_se(mount_nofollow_verbose(LOG_DEBUG
, NULL
, "/", NULL
, MS_BIND
|MS_REMOUNT
|MS_RDONLY
, NULL
) >= 0);
1337 /* Creating a new user namespace in the above means all MS_SHARED mounts become MS_SLAVE.
1338 * Let's put them back to MS_SHARED here, since that's what we want as defaults. (This will
1339 * not reconnect propagation, but simply create new peer groups for all our mounts). */
1340 assert_se(mount_follow_verbose(LOG_DEBUG
, NULL
, "/", NULL
, MS_SHARED
|MS_REC
, NULL
) >= 0);
1342 assert_se(mkdir_p(PRIVATE_UNIT_DIR
, 0755) >= 0);
1343 assert_se(mount_nofollow_verbose(LOG_DEBUG
, "tmpfs", PRIVATE_UNIT_DIR
, "tmpfs", MS_NOSUID
|MS_NODEV
, NULL
) >= 0);
1345 /* Copy unit files to make them accessible even when unprivileged. */
1346 assert_se(get_testdata_dir("test-execute/", &unit_dir
) >= 0);
1347 assert_se(copy_directory_at(AT_FDCWD
, unit_dir
, AT_FDCWD
, PRIVATE_UNIT_DIR
, COPY_MERGE_EMPTY
) >= 0);
1349 /* Mount tmpfs on the following directories to make not StateDirectory= or friends disturb the host. */
1350 FOREACH_STRING(p
, "/dev/shm", "/root", "/tmp", "/var/tmp", "/var/lib")
1351 assert_se(mount_nofollow_verbose(LOG_DEBUG
, "tmpfs", p
, "tmpfs", MS_NOSUID
|MS_NODEV
, NULL
) >= 0);
1353 /* Prepare credstore like tmpfiles.d/credstore.conf for LoadCredential= tests. */
1354 FOREACH_STRING(p
, "/run/credstore", "/run/credstore.encrypted") {
1355 assert_se(mkdir_p(p
, 0) >= 0);
1356 assert_se(mount_nofollow_verbose(LOG_DEBUG
, "tmpfs", p
, "tmpfs", MS_NOSUID
|MS_NODEV
, "mode=0000") >= 0);
1359 assert_se(write_string_file("/run/credstore/test-execute.load-credential", "foo", WRITE_STRING_FILE_CREATE
) >= 0);
1365 TEST(run_tests_root
) {
1366 _cleanup_strv_free_
char **filters
= NULL
;
1368 if (!have_namespaces())
1369 return (void) log_tests_skipped("unshare() is disabled");
1371 /* safe_fork() clears saved_argv in the child process. Let's copy it. */
1372 assert_se(filters
= strv_copy(strv_skip(saved_argv
, 1)));
1374 if (prepare_ns("(test-execute-root)") == 0) {
1376 run_tests(RUNTIME_SCOPE_SYSTEM
, filters
);
1377 _exit(EXIT_SUCCESS
);
1381 TEST(run_tests_without_unshare
) {
1382 if (!have_namespaces()) {
1383 /* unshare() is already filtered. */
1384 can_unshare
= false;
1385 run_tests(RUNTIME_SCOPE_SYSTEM
, strv_skip(saved_argv
, 1));
1390 _cleanup_strv_free_
char **filters
= NULL
;
1393 /* The following tests are for 1beab8b0d0ff2d7d1436b52d4a0c3d56dc908962. */
1394 if (!is_seccomp_available())
1395 return (void) log_tests_skipped("Seccomp not available, cannot run unshare() filtered tests");
1397 /* safe_fork() clears saved_argv in the child process. Let's copy it. */
1398 assert_se(filters
= strv_copy(strv_skip(saved_argv
, 1)));
1400 if (prepare_ns("(test-execute-without-unshare)") == 0) {
1401 _cleanup_hashmap_free_ Hashmap
*s
= NULL
;
1403 r
= seccomp_syscall_resolve_name("unshare");
1404 assert_se(r
!= __NR_SCMP_ERROR
);
1405 assert_se(hashmap_ensure_put(&s
, NULL
, UINT32_TO_PTR(r
+ 1), INT_TO_PTR(-1)) >= 0);
1406 assert_se(seccomp_load_syscall_filter_set_raw(SCMP_ACT_ALLOW
, s
, SCMP_ACT_ERRNO(EOPNOTSUPP
), true) >= 0);
1408 /* Check unshare() is actually filtered. */
1409 assert_se(unshare(CLONE_NEWNS
) < 0);
1410 assert_se(errno
== EOPNOTSUPP
);
1412 can_unshare
= false;
1413 run_tests(RUNTIME_SCOPE_SYSTEM
, filters
);
1414 _exit(EXIT_SUCCESS
);
1417 log_tests_skipped("Built without seccomp support, cannot run unshare() filtered tests");
1421 TEST(run_tests_unprivileged
) {
1422 _cleanup_strv_free_
char **filters
= NULL
;
1424 if (!have_namespaces())
1425 return (void) log_tests_skipped("unshare() is disabled");
1427 /* safe_fork() clears saved_argv in the child process. Let's copy it. */
1428 assert_se(filters
= strv_copy(strv_skip(saved_argv
, 1)));
1430 if (prepare_ns("(test-execute-unprivileged)") == 0) {
1431 assert_se(capability_bounding_set_drop(0, /* right_now = */ true) >= 0);
1433 can_unshare
= false;
1434 run_tests(RUNTIME_SCOPE_USER
, filters
);
1435 _exit(EXIT_SUCCESS
);
1439 static int intro(void) {
1440 #if HAS_FEATURE_ADDRESS_SANITIZER
1441 if (strstr_ptr(ci_environment(), "travis") || strstr_ptr(ci_environment(), "github-actions"))
1442 return log_tests_skipped("Running on Travis CI/GH Actions under ASan, see https://github.com/systemd/systemd/issues/10696");
1444 /* It is needed otherwise cgroup creation fails */
1445 if (geteuid() != 0 || have_effective_cap(CAP_SYS_ADMIN
) <= 0)
1446 return log_tests_skipped("not privileged");
1448 if (enter_cgroup_subroot(NULL
) == -ENOMEDIUM
)
1449 return log_tests_skipped("cgroupfs not available");
1451 if (path_is_read_only_fs("/sys") > 0)
1452 return log_tests_skipped("/sys is mounted read-only");
1454 /* Create dummy network interface for testing PrivateNetwork=yes */
1455 have_net_dummy
= system("ip link add dummy-test-exec type dummy") == 0;
1457 if (have_net_dummy
) {
1458 /* Create a network namespace and a dummy interface in it for NetworkNamespacePath= */
1459 have_netns
= system("ip netns add test-execute-netns") == 0;
1460 have_netns
= have_netns
&& system("ip netns exec test-execute-netns ip link add dummy-test-ns type dummy") == 0;
1463 return EXIT_SUCCESS
;
1466 static int outro(void) {
1467 if (have_net_dummy
) {
1468 (void) system("ip link del dummy-test-exec");
1469 (void) system("ip netns del test-execute-netns");
1472 (void) rmdir(PRIVATE_UNIT_DIR
);
1474 return EXIT_SUCCESS
;
1477 DEFINE_TEST_MAIN_FULL(LOG_DEBUG
, intro
, outro
);