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db9ecf05 | 1 | /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
281e05b6 | 2 | |
ff4ca461 | 3 | #include <stdio.h> |
4e032f65 | 4 | #include <sys/mount.h> |
70d7aea5 | 5 | #include <sys/prctl.h> |
ff4ca461 | 6 | #include <sys/types.h> |
281e05b6 | 7 | |
42867dfe YW |
8 | #include "sd-event.h" |
9 | ||
b7856f92 | 10 | #include "capability-util.h" |
4e79aeaa | 11 | #include "cpu-set-util.h" |
8c35c10d | 12 | #include "copy.h" |
42867dfe | 13 | #include "dropin.h" |
b4891260 | 14 | #include "errno-list.h" |
42867dfe | 15 | #include "fd-util.h" |
03bd70dd | 16 | #include "fileio.h" |
f4f15635 | 17 | #include "fs-util.h" |
281e05b6 | 18 | #include "macro.h" |
f4f15635 | 19 | #include "manager.h" |
a22692d7 | 20 | #include "missing_prctl.h" |
281e05b6 | 21 | #include "mkdir.h" |
4e032f65 | 22 | #include "mount-util.h" |
ff4ca461 | 23 | #include "path-util.h" |
42867dfe | 24 | #include "process-util.h" |
c6878637 | 25 | #include "rm-rf.h" |
83f12b27 | 26 | #include "seccomp-util.h" |
57b7a260 | 27 | #include "service.h" |
42867dfe YW |
28 | #include "signal-util.h" |
29 | #include "static-destruct.h" | |
34b86909 | 30 | #include "stat-util.h" |
cc100a5a | 31 | #include "tests.h" |
8c35c10d | 32 | #include "tmpfile-util.h" |
f4f15635 | 33 | #include "unit.h" |
57c2efa0 | 34 | #include "user-util.h" |
4dd4cb8f | 35 | #include "virt.h" |
281e05b6 | 36 | |
4e032f65 YW |
37 | #define PRIVATE_UNIT_DIR "/run/test-execute-unit-dir" |
38 | ||
42867dfe | 39 | static char *user_runtime_unit_dir = NULL; |
5f00dc4d | 40 | static bool can_unshare; |
b6349ffd | 41 | static unsigned n_ran_tests = 0; |
b7172f34 | 42 | |
42867dfe YW |
43 | STATIC_DESTRUCTOR_REGISTER(user_runtime_unit_dir, freep); |
44 | ||
281e05b6 RC |
45 | typedef void (*test_function_t)(Manager *m); |
46 | ||
c3ab2c38 LP |
47 | static int cld_dumped_to_killed(int code) { |
48 | /* Depending on the system, seccomp version, … some signals might result in dumping, others in plain | |
49 | * killing. Let's ignore the difference here, and map both cases to CLD_KILLED */ | |
50 | return code == CLD_DUMPED ? CLD_KILLED : code; | |
51 | } | |
52 | ||
31cd5f63 | 53 | static void wait_for_service_finish(Manager *m, Unit *unit) { |
281e05b6 RC |
54 | Service *service = NULL; |
55 | usec_t ts; | |
8adb3d63 | 56 | usec_t timeout = 2 * USEC_PER_MINUTE; |
281e05b6 RC |
57 | |
58 | assert_se(m); | |
59 | assert_se(unit); | |
60 | ||
61 | service = SERVICE(unit); | |
62 | printf("%s\n", unit->id); | |
63 | exec_context_dump(&service->exec_context, stdout, "\t"); | |
64 | ts = now(CLOCK_MONOTONIC); | |
ec2ce0c5 | 65 | while (!IN_SET(service->state, SERVICE_DEAD, SERVICE_FAILED)) { |
281e05b6 RC |
66 | int r; |
67 | usec_t n; | |
68 | ||
69 | r = sd_event_run(m->event, 100 * USEC_PER_MSEC); | |
70 | assert_se(r >= 0); | |
71 | ||
72 | n = now(CLOCK_MONOTONIC); | |
73 | if (ts + timeout < n) { | |
74 | log_error("Test timeout when testing %s", unit->id); | |
a721cd00 | 75 | r = unit_kill(unit, KILL_ALL, SIGKILL, SI_USER, 0, NULL); |
f7f8e8cb EV |
76 | if (r < 0) |
77 | log_error_errno(r, "Failed to kill %s: %m", unit->id); | |
281e05b6 RC |
78 | exit(EXIT_FAILURE); |
79 | } | |
80 | } | |
31cd5f63 AZ |
81 | } |
82 | ||
fe65d692 ZJS |
83 | static void check_main_result(const char *file, unsigned line, const char *func, |
84 | Manager *m, Unit *unit, int status_expected, int code_expected) { | |
31cd5f63 AZ |
85 | Service *service = NULL; |
86 | ||
87 | assert_se(m); | |
88 | assert_se(unit); | |
89 | ||
90 | wait_for_service_finish(m, unit); | |
91 | ||
92 | service = SERVICE(unit); | |
281e05b6 | 93 | exec_status_dump(&service->main_exec_status, stdout, "\t"); |
18f8c5d4 | 94 | |
c3ab2c38 | 95 | if (cld_dumped_to_killed(service->main_exec_status.code) != cld_dumped_to_killed(code_expected)) { |
aa272751 YW |
96 | log_error("%s:%u:%s %s: can_unshare=%s: exit code %d, expected %d", |
97 | file, line, func, unit->id, yes_no(can_unshare), | |
6aed6a11 ZJS |
98 | service->main_exec_status.code, code_expected); |
99 | abort(); | |
18f8c5d4 LP |
100 | } |
101 | ||
102 | if (service->main_exec_status.status != status_expected) { | |
aa272751 YW |
103 | log_error("%s:%u:%s: %s: can_unshare=%s: exit status %d, expected %d", |
104 | file, line, func, unit->id, yes_no(can_unshare), | |
18f8c5d4 LP |
105 | service->main_exec_status.status, status_expected); |
106 | abort(); | |
6aed6a11 | 107 | } |
281e05b6 RC |
108 | } |
109 | ||
fe65d692 ZJS |
110 | static void check_service_result(const char *file, unsigned line, const char *func, |
111 | Manager *m, Unit *unit, ServiceResult result_expected) { | |
31cd5f63 AZ |
112 | Service *service = NULL; |
113 | ||
114 | assert_se(m); | |
115 | assert_se(unit); | |
116 | ||
117 | wait_for_service_finish(m, unit); | |
118 | ||
119 | service = SERVICE(unit); | |
120 | ||
121 | if (service->result != result_expected) { | |
aa272751 YW |
122 | log_error("%s:%u:%s: %s: can_unshare=%s: service end result %s, expected %s", |
123 | file, line, func, unit->id, yes_no(can_unshare), | |
31cd5f63 AZ |
124 | service_result_to_string(service->result), |
125 | service_result_to_string(result_expected)); | |
126 | abort(); | |
127 | } | |
128 | } | |
129 | ||
57c2efa0 YW |
130 | static bool check_nobody_user_and_group(void) { |
131 | static int cache = -1; | |
132 | struct passwd *p; | |
133 | struct group *g; | |
134 | ||
135 | if (cache >= 0) | |
136 | return !!cache; | |
137 | ||
138 | if (!synthesize_nobody()) | |
139 | goto invalid; | |
140 | ||
141 | p = getpwnam(NOBODY_USER_NAME); | |
142 | if (!p || | |
143 | !streq(p->pw_name, NOBODY_USER_NAME) || | |
144 | p->pw_uid != UID_NOBODY || | |
145 | p->pw_gid != GID_NOBODY) | |
146 | goto invalid; | |
147 | ||
148 | p = getpwuid(UID_NOBODY); | |
149 | if (!p || | |
150 | !streq(p->pw_name, NOBODY_USER_NAME) || | |
151 | p->pw_uid != UID_NOBODY || | |
152 | p->pw_gid != GID_NOBODY) | |
153 | goto invalid; | |
154 | ||
155 | g = getgrnam(NOBODY_GROUP_NAME); | |
156 | if (!g || | |
157 | !streq(g->gr_name, NOBODY_GROUP_NAME) || | |
158 | g->gr_gid != GID_NOBODY) | |
159 | goto invalid; | |
160 | ||
161 | g = getgrgid(GID_NOBODY); | |
162 | if (!g || | |
163 | !streq(g->gr_name, NOBODY_GROUP_NAME) || | |
164 | g->gr_gid != GID_NOBODY) | |
165 | goto invalid; | |
166 | ||
167 | cache = 1; | |
168 | return true; | |
169 | ||
170 | invalid: | |
171 | cache = 0; | |
172 | return false; | |
173 | } | |
174 | ||
9f82d685 YW |
175 | static bool check_user_has_group_with_same_name(const char *name) { |
176 | struct passwd *p; | |
177 | struct group *g; | |
178 | ||
f21b863e | 179 | assert_se(name); |
9f82d685 YW |
180 | |
181 | p = getpwnam(name); | |
182 | if (!p || | |
183 | !streq(p->pw_name, name)) | |
184 | return false; | |
185 | ||
186 | g = getgrgid(p->pw_gid); | |
187 | if (!g || | |
188 | !streq(g->gr_name, name)) | |
189 | return false; | |
190 | ||
191 | return true; | |
192 | } | |
193 | ||
6086d2da | 194 | static bool is_inaccessible_available(void) { |
6086d2da | 195 | FOREACH_STRING(p, |
5980d463 ZJS |
196 | "/run/systemd/inaccessible/reg", |
197 | "/run/systemd/inaccessible/dir", | |
198 | "/run/systemd/inaccessible/chr", | |
199 | "/run/systemd/inaccessible/blk", | |
200 | "/run/systemd/inaccessible/fifo", | |
201 | "/run/systemd/inaccessible/sock") | |
6086d2da DP |
202 | if (access(p, F_OK) < 0) |
203 | return false; | |
6086d2da DP |
204 | |
205 | return true; | |
206 | } | |
207 | ||
fc6172b1 RP |
208 | static void start_parent_slices(Unit *unit) { |
209 | Unit *slice; | |
210 | ||
211 | slice = UNIT_GET_SLICE(unit); | |
212 | if (slice) { | |
213 | start_parent_slices(slice); | |
214 | int r = unit_start(slice, NULL); | |
215 | assert_se(r >= 0 || r == -EALREADY); | |
216 | } | |
217 | } | |
218 | ||
fe65d692 ZJS |
219 | static void _test(const char *file, unsigned line, const char *func, |
220 | Manager *m, const char *unit_name, int status_expected, int code_expected) { | |
281e05b6 RC |
221 | Unit *unit; |
222 | ||
223 | assert_se(unit_name); | |
224 | ||
ba412430 | 225 | assert_se(manager_load_startable_unit_or_warn(m, unit_name, NULL, &unit) >= 0); |
fc6172b1 RP |
226 | /* We need to start the slices as well otherwise the slice cgroups might be pruned |
227 | * in on_cgroup_empty_event. */ | |
228 | start_parent_slices(unit); | |
48b92b37 | 229 | assert_se(unit_start(unit, NULL) >= 0); |
fe65d692 | 230 | check_main_result(file, line, func, m, unit, status_expected, code_expected); |
b6349ffd LB |
231 | |
232 | ++n_ran_tests; | |
31cd5f63 | 233 | } |
fe65d692 ZJS |
234 | #define test(m, unit_name, status_expected, code_expected) \ |
235 | _test(PROJECT_FILE, __LINE__, __func__, m, unit_name, status_expected, code_expected) | |
31cd5f63 | 236 | |
fe65d692 ZJS |
237 | static void _test_service(const char *file, unsigned line, const char *func, |
238 | Manager *m, const char *unit_name, ServiceResult result_expected) { | |
31cd5f63 AZ |
239 | Unit *unit; |
240 | ||
241 | assert_se(unit_name); | |
242 | ||
243 | assert_se(manager_load_startable_unit_or_warn(m, unit_name, NULL, &unit) >= 0); | |
48b92b37 | 244 | assert_se(unit_start(unit, NULL) >= 0); |
fe65d692 | 245 | check_service_result(file, line, func, m, unit, result_expected); |
281e05b6 | 246 | } |
fe65d692 ZJS |
247 | #define test_service(m, unit_name, result_expected) \ |
248 | _test_service(PROJECT_FILE, __LINE__, __func__, m, unit_name, result_expected) | |
281e05b6 | 249 | |
f0e018e7 YW |
250 | static void test_exec_bindpaths(Manager *m) { |
251 | assert_se(mkdir_p("/tmp/test-exec-bindpaths", 0755) >= 0); | |
252 | assert_se(mkdir_p("/tmp/test-exec-bindreadonlypaths", 0755) >= 0); | |
d053b72b | 253 | |
fe65d692 | 254 | test(m, "exec-bindpaths.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
d053b72b | 255 | |
f0e018e7 YW |
256 | (void) rm_rf("/tmp/test-exec-bindpaths", REMOVE_ROOT|REMOVE_PHYSICAL); |
257 | (void) rm_rf("/tmp/test-exec-bindreadonlypaths", REMOVE_ROOT|REMOVE_PHYSICAL); | |
d053b72b YW |
258 | } |
259 | ||
4e79aeaa | 260 | static void test_exec_cpuaffinity(Manager *m) { |
167a776d | 261 | _cleanup_(cpu_set_reset) CPUSet c = {}; |
4e79aeaa | 262 | |
167a776d ZJS |
263 | assert_se(cpu_set_realloc(&c, 8192) >= 0); /* just allocate the maximum possible size */ |
264 | assert_se(sched_getaffinity(0, c.allocated, c.set) >= 0); | |
4e79aeaa | 265 | |
167a776d | 266 | if (!CPU_ISSET_S(0, c.allocated, c.set)) { |
4e79aeaa YW |
267 | log_notice("Cannot use CPU 0, skipping %s", __func__); |
268 | return; | |
269 | } | |
270 | ||
fe65d692 ZJS |
271 | test(m, "exec-cpuaffinity1.service", 0, CLD_EXITED); |
272 | test(m, "exec-cpuaffinity2.service", 0, CLD_EXITED); | |
4e79aeaa | 273 | |
167a776d ZJS |
274 | if (!CPU_ISSET_S(1, c.allocated, c.set) || |
275 | !CPU_ISSET_S(2, c.allocated, c.set)) { | |
4e79aeaa YW |
276 | log_notice("Cannot use CPU 1 or 2, skipping remaining tests in %s", __func__); |
277 | return; | |
278 | } | |
279 | ||
fe65d692 | 280 | test(m, "exec-cpuaffinity3.service", 0, CLD_EXITED); |
4e79aeaa YW |
281 | } |
282 | ||
b7cca6cc YW |
283 | static void test_exec_credentials(Manager *m) { |
284 | test(m, "exec-set-credential.service", 0, CLD_EXITED); | |
285 | test(m, "exec-load-credential.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_CREDENTIALS, CLD_EXITED); | |
286 | test(m, "exec-credentials-dir-specifier.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_CREDENTIALS, CLD_EXITED); | |
287 | } | |
288 | ||
281e05b6 RC |
289 | static void test_exec_workingdirectory(Manager *m) { |
290 | assert_se(mkdir_p("/tmp/test-exec_workingdirectory", 0755) >= 0); | |
291 | ||
fe65d692 ZJS |
292 | test(m, "exec-workingdirectory.service", 0, CLD_EXITED); |
293 | test(m, "exec-workingdirectory-trailing-dot.service", 0, CLD_EXITED); | |
281e05b6 | 294 | |
c6878637 | 295 | (void) rm_rf("/tmp/test-exec_workingdirectory", REMOVE_ROOT|REMOVE_PHYSICAL); |
281e05b6 RC |
296 | } |
297 | ||
8c35c10d | 298 | static void test_exec_execsearchpath(Manager *m) { |
299 | assert_se(mkdir_p("/tmp/test-exec_execsearchpath", 0755) >= 0); | |
300 | ||
7c2f5495 | 301 | assert_se(copy_file("/bin/ls", "/tmp/test-exec_execsearchpath/ls_temp", 0, 0777, COPY_REPLACE) >= 0); |
8c35c10d | 302 | |
303 | test(m, "exec-execsearchpath.service", 0, CLD_EXITED); | |
304 | ||
305 | assert_se(rm_rf("/tmp/test-exec_execsearchpath", REMOVE_ROOT|REMOVE_PHYSICAL) >= 0); | |
306 | ||
307 | test(m, "exec-execsearchpath.service", EXIT_EXEC, CLD_EXITED); | |
308 | } | |
309 | ||
310 | static void test_exec_execsearchpath_specifier(Manager *m) { | |
311 | test(m, "exec-execsearchpath-unit-specifier.service", 0, CLD_EXITED); | |
312 | } | |
313 | ||
314 | static void test_exec_execsearchpath_environment(Manager *m) { | |
315 | test(m, "exec-execsearchpath-environment.service", 0, CLD_EXITED); | |
316 | test(m, "exec-execsearchpath-environment-path-set.service", 0, CLD_EXITED); | |
317 | } | |
318 | ||
319 | static void test_exec_execsearchpath_environment_files(Manager *m) { | |
320 | static const char path_not_set[] = | |
321 | "VAR1='word1 word2'\n" | |
322 | "VAR2=word3 \n" | |
323 | "# comment1\n" | |
324 | "\n" | |
325 | "; comment2\n" | |
326 | " ; # comment3\n" | |
327 | "line without an equal\n" | |
328 | "VAR3='$word 5 6'\n" | |
329 | "VAR4='new\nline'\n" | |
330 | "VAR5=password\\with\\backslashes"; | |
331 | ||
332 | static const char path_set[] = | |
333 | "VAR1='word1 word2'\n" | |
334 | "VAR2=word3 \n" | |
335 | "# comment1\n" | |
336 | "\n" | |
337 | "; comment2\n" | |
338 | " ; # comment3\n" | |
339 | "line without an equal\n" | |
340 | "VAR3='$word 5 6'\n" | |
341 | "VAR4='new\nline'\n" | |
342 | "VAR5=password\\with\\backslashes\n" | |
343 | "PATH=/usr"; | |
344 | ||
345 | int r; | |
346 | ||
347 | r = write_string_file("/tmp/test-exec_execsearchpath_environmentfile.conf", path_not_set, WRITE_STRING_FILE_CREATE); | |
348 | ||
349 | assert_se(r == 0); | |
350 | ||
351 | test(m, "exec-execsearchpath-environmentfile.service", 0, CLD_EXITED); | |
352 | ||
353 | (void) unlink("/tmp/test-exec_environmentfile.conf"); | |
354 | ||
355 | ||
356 | r = write_string_file("/tmp/test-exec_execsearchpath_environmentfile-set.conf", path_set, WRITE_STRING_FILE_CREATE); | |
357 | ||
358 | assert_se(r == 0); | |
359 | ||
360 | test(m, "exec-execsearchpath-environmentfile-set.service", 0, CLD_EXITED); | |
361 | ||
362 | (void) unlink("/tmp/test-exec_environmentfile-set.conf"); | |
363 | } | |
364 | ||
365 | static void test_exec_execsearchpath_passenvironment(Manager *m) { | |
366 | assert_se(setenv("VAR1", "word1 word2", 1) == 0); | |
367 | assert_se(setenv("VAR2", "word3", 1) == 0); | |
368 | assert_se(setenv("VAR3", "$word 5 6", 1) == 0); | |
369 | assert_se(setenv("VAR4", "new\nline", 1) == 0); | |
370 | assert_se(setenv("VAR5", "passwordwithbackslashes", 1) == 0); | |
371 | ||
372 | test(m, "exec-execsearchpath-passenvironment.service", 0, CLD_EXITED); | |
373 | ||
374 | assert_se(setenv("PATH", "/usr", 1) == 0); | |
375 | test(m, "exec-execsearchpath-passenvironment-set.service", 0, CLD_EXITED); | |
376 | ||
377 | assert_se(unsetenv("VAR1") == 0); | |
378 | assert_se(unsetenv("VAR2") == 0); | |
379 | assert_se(unsetenv("VAR3") == 0); | |
380 | assert_se(unsetenv("VAR4") == 0); | |
381 | assert_se(unsetenv("VAR5") == 0); | |
382 | assert_se(unsetenv("PATH") == 0); | |
383 | } | |
384 | ||
281e05b6 | 385 | static void test_exec_personality(Manager *m) { |
281e05b6 | 386 | #if defined(__x86_64__) |
fe65d692 | 387 | test(m, "exec-personality-x86-64.service", 0, CLD_EXITED); |
7517f51e HB |
388 | |
389 | #elif defined(__s390__) | |
fe65d692 | 390 | test(m, "exec-personality-s390.service", 0, CLD_EXITED); |
7517f51e | 391 | |
12591863 JS |
392 | #elif defined(__powerpc64__) |
393 | # if __BYTE_ORDER == __BIG_ENDIAN | |
fe65d692 | 394 | test(m, "exec-personality-ppc64.service", 0, CLD_EXITED); |
12591863 | 395 | # else |
fe65d692 | 396 | test(m, "exec-personality-ppc64le.service", 0, CLD_EXITED); |
12591863 JS |
397 | # endif |
398 | ||
399 | #elif defined(__aarch64__) | |
fe65d692 | 400 | test(m, "exec-personality-aarch64.service", 0, CLD_EXITED); |
12591863 | 401 | |
5798eb4c | 402 | #elif defined(__i386__) |
fe65d692 | 403 | test(m, "exec-personality-x86.service", 0, CLD_EXITED); |
f106a639 | 404 | #elif defined(__loongarch_lp64) |
646b0112 | 405 | test(m, "exec-personality-loongarch64.service", 0, CLD_EXITED); |
f0e018e7 YW |
406 | #else |
407 | log_notice("Unknown personality, skipping %s", __func__); | |
281e05b6 RC |
408 | #endif |
409 | } | |
410 | ||
411 | static void test_exec_ignoresigpipe(Manager *m) { | |
fe65d692 ZJS |
412 | test(m, "exec-ignoresigpipe-yes.service", 0, CLD_EXITED); |
413 | test(m, "exec-ignoresigpipe-no.service", SIGPIPE, CLD_KILLED); | |
281e05b6 RC |
414 | } |
415 | ||
416 | static void test_exec_privatetmp(Manager *m) { | |
417 | assert_se(touch("/tmp/test-exec_privatetmp") >= 0); | |
418 | ||
6ef721cb | 419 | test(m, "exec-privatetmp-yes.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
fe65d692 | 420 | test(m, "exec-privatetmp-no.service", 0, CLD_EXITED); |
6ef721cb | 421 | test(m, "exec-privatetmp-disabled-by-prefix.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
281e05b6 | 422 | |
5000cea8 | 423 | (void) unlink("/tmp/test-exec_privatetmp"); |
281e05b6 RC |
424 | } |
425 | ||
426 | static void test_exec_privatedevices(Manager *m) { | |
f0e018e7 YW |
427 | int r; |
428 | ||
4dd4cb8f | 429 | if (detect_container() > 0) { |
f0e018e7 | 430 | log_notice("Testing in container, skipping %s", __func__); |
4dd4cb8f SM |
431 | return; |
432 | } | |
6086d2da | 433 | if (!is_inaccessible_available()) { |
f0e018e7 | 434 | log_notice("Testing without inaccessible, skipping %s", __func__); |
6086d2da DP |
435 | return; |
436 | } | |
437 | ||
6ef721cb | 438 | test(m, "exec-privatedevices-yes.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
fe65d692 | 439 | test(m, "exec-privatedevices-no.service", 0, CLD_EXITED); |
6ef721cb LB |
440 | test(m, "exec-privatedevices-disabled-by-prefix.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
441 | test(m, "exec-privatedevices-yes-with-group.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); | |
6086d2da | 442 | |
0608ba98 ZJS |
443 | /* We use capsh to test if the capabilities are |
444 | * properly set, so be sure that it exists */ | |
f7bc0c32 | 445 | r = find_executable("capsh", NULL); |
0608ba98 | 446 | if (r < 0) { |
5cd33ccc | 447 | log_notice_errno(r, "Could not find capsh binary, skipping remaining tests in %s: %m", __func__); |
6086d2da DP |
448 | return; |
449 | } | |
450 | ||
6ef721cb | 451 | test(m, "exec-privatedevices-yes-capability-mknod.service", can_unshare || MANAGER_IS_SYSTEM(m) ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
adeff822 | 452 | test(m, "exec-privatedevices-no-capability-mknod.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_FAILURE, CLD_EXITED); |
6ef721cb | 453 | test(m, "exec-privatedevices-yes-capability-sys-rawio.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
adeff822 | 454 | test(m, "exec-privatedevices-no-capability-sys-rawio.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_FAILURE, CLD_EXITED); |
615a1f4b DH |
455 | } |
456 | ||
7e46b29b | 457 | static void test_exec_protecthome(Manager *m) { |
9ca58284 ZJS |
458 | if (!can_unshare) { |
459 | log_notice("Cannot reliably unshare, skipping %s", __func__); | |
460 | return; | |
461 | } | |
462 | ||
fe65d692 | 463 | test(m, "exec-protecthome-tmpfs-vs-protectsystem-strict.service", 0, CLD_EXITED); |
7e46b29b YW |
464 | } |
465 | ||
4982dbcc | 466 | static void test_exec_protectkernelmodules(Manager *m) { |
0608ba98 ZJS |
467 | int r; |
468 | ||
3ae33295 | 469 | if (detect_container() > 0) { |
f0e018e7 | 470 | log_notice("Testing in container, skipping %s", __func__); |
3ae33295 DH |
471 | return; |
472 | } | |
6086d2da | 473 | if (!is_inaccessible_available()) { |
f0e018e7 | 474 | log_notice("Testing without inaccessible, skipping %s", __func__); |
6086d2da DP |
475 | return; |
476 | } | |
3ae33295 | 477 | |
f7bc0c32 | 478 | r = find_executable("capsh", NULL); |
0608ba98 | 479 | if (r < 0) { |
5cd33ccc | 480 | log_notice_errno(r, "Skipping %s, could not find capsh binary: %m", __func__); |
0608ba98 ZJS |
481 | return; |
482 | } | |
483 | ||
adeff822 | 484 | test(m, "exec-protectkernelmodules-no-capabilities.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_FAILURE, CLD_EXITED); |
6ef721cb LB |
485 | test(m, "exec-protectkernelmodules-yes-capabilities.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
486 | test(m, "exec-protectkernelmodules-yes-mount-propagation.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); | |
3ae33295 DH |
487 | } |
488 | ||
f78b36f0 | 489 | static void test_exec_readonlypaths(Manager *m) { |
34b86909 | 490 | |
6ef721cb | 491 | test(m, "exec-readonlypaths-simple.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
f0e018e7 YW |
492 | |
493 | if (path_is_read_only_fs("/var") > 0) { | |
494 | log_notice("Directory /var is readonly, skipping remaining tests in %s", __func__); | |
34b86909 | 495 | return; |
f0e018e7 | 496 | } |
34b86909 | 497 | |
6ef721cb | 498 | test(m, "exec-readonlypaths.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
fe65d692 | 499 | test(m, "exec-readonlypaths-with-bindpaths.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
6ef721cb | 500 | test(m, "exec-readonlypaths-mount-propagation.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
cdfbd1fb DH |
501 | } |
502 | ||
503 | static void test_exec_readwritepaths(Manager *m) { | |
34b86909 | 504 | |
f0e018e7 YW |
505 | if (path_is_read_only_fs("/") > 0) { |
506 | log_notice("Root directory is readonly, skipping %s", __func__); | |
34b86909 | 507 | return; |
f0e018e7 | 508 | } |
34b86909 | 509 | |
6ef721cb | 510 | test(m, "exec-readwritepaths-mount-propagation.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
cdfbd1fb DH |
511 | } |
512 | ||
513 | static void test_exec_inaccessiblepaths(Manager *m) { | |
34b86909 | 514 | |
f0e018e7 YW |
515 | if (!is_inaccessible_available()) { |
516 | log_notice("Testing without inaccessible, skipping %s", __func__); | |
34b86909 | 517 | return; |
f0e018e7 | 518 | } |
34b86909 | 519 | |
6ef721cb | 520 | test(m, "exec-inaccessiblepaths-sys.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
f78b36f0 | 521 | |
f0e018e7 YW |
522 | if (path_is_read_only_fs("/") > 0) { |
523 | log_notice("Root directory is readonly, skipping remaining tests in %s", __func__); | |
af4af186 EV |
524 | return; |
525 | } | |
526 | ||
6ef721cb | 527 | test(m, "exec-inaccessiblepaths-mount-propagation.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
c090d74d TR |
528 | } |
529 | ||
42867dfe YW |
530 | static int on_spawn_io(sd_event_source *s, int fd, uint32_t revents, void *userdata) { |
531 | char **result = userdata; | |
532 | char buf[4096]; | |
533 | ssize_t l; | |
534 | ||
f21b863e YW |
535 | assert_se(s); |
536 | assert_se(fd >= 0); | |
42867dfe YW |
537 | |
538 | l = read(fd, buf, sizeof(buf) - 1); | |
539 | if (l < 0) { | |
540 | if (errno == EAGAIN) | |
541 | goto reenable; | |
542 | ||
543 | return 0; | |
544 | } | |
545 | if (l == 0) | |
546 | return 0; | |
547 | ||
548 | buf[l] = '\0'; | |
549 | if (result) | |
550 | assert_se(strextend(result, buf)); | |
551 | else | |
552 | log_error("ldd: %s", buf); | |
553 | ||
554 | reenable: | |
555 | /* Re-enable the event source if we did not encounter EOF */ | |
556 | assert_se(sd_event_source_set_enabled(s, SD_EVENT_ONESHOT) >= 0); | |
557 | return 0; | |
558 | } | |
559 | ||
560 | static int on_spawn_timeout(sd_event_source *s, uint64_t usec, void *userdata) { | |
561 | pid_t *pid = userdata; | |
562 | ||
f21b863e | 563 | assert_se(pid); |
42867dfe YW |
564 | |
565 | (void) kill(*pid, SIGKILL); | |
566 | ||
567 | return 1; | |
568 | } | |
569 | ||
570 | static int on_spawn_sigchld(sd_event_source *s, const siginfo_t *si, void *userdata) { | |
571 | int ret = -EIO; | |
572 | ||
f21b863e | 573 | assert_se(si); |
42867dfe YW |
574 | |
575 | if (si->si_code == CLD_EXITED) | |
576 | ret = si->si_status; | |
577 | ||
578 | sd_event_exit(sd_event_source_get_event(s), ret); | |
579 | return 1; | |
580 | } | |
581 | ||
582 | static int find_libraries(const char *exec, char ***ret) { | |
583 | _cleanup_(sd_event_unrefp) sd_event *e = NULL; | |
584 | _cleanup_(sd_event_source_unrefp) sd_event_source *sigchld_source = NULL; | |
585 | _cleanup_(sd_event_source_unrefp) sd_event_source *stdout_source = NULL; | |
586 | _cleanup_(sd_event_source_unrefp) sd_event_source *stderr_source = NULL; | |
19ee48a6 | 587 | _cleanup_close_pair_ int outpipe[2] = PIPE_EBADF, errpipe[2] = PIPE_EBADF; |
42867dfe YW |
588 | _cleanup_strv_free_ char **libraries = NULL; |
589 | _cleanup_free_ char *result = NULL; | |
590 | pid_t pid; | |
591 | int r; | |
592 | ||
f21b863e YW |
593 | assert_se(exec); |
594 | assert_se(ret); | |
42867dfe YW |
595 | |
596 | assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, -1) >= 0); | |
597 | ||
598 | assert_se(pipe2(outpipe, O_NONBLOCK|O_CLOEXEC) == 0); | |
599 | assert_se(pipe2(errpipe, O_NONBLOCK|O_CLOEXEC) == 0); | |
600 | ||
0c2aedb4 YW |
601 | r = safe_fork_full("(spawn-ldd)", |
602 | (int[]) { -EBADF, outpipe[1], errpipe[1] }, | |
603 | NULL, 0, | |
604 | FORK_RESET_SIGNALS|FORK_CLOSE_ALL_FDS|FORK_DEATHSIG|FORK_REARRANGE_STDIO|FORK_LOG, &pid); | |
42867dfe YW |
605 | assert_se(r >= 0); |
606 | if (r == 0) { | |
42867dfe YW |
607 | execlp("ldd", "ldd", exec, NULL); |
608 | _exit(EXIT_FAILURE); | |
609 | } | |
610 | ||
611 | outpipe[1] = safe_close(outpipe[1]); | |
612 | errpipe[1] = safe_close(errpipe[1]); | |
613 | ||
614 | assert_se(sd_event_new(&e) >= 0); | |
615 | ||
616 | assert_se(sd_event_add_time_relative(e, NULL, CLOCK_MONOTONIC, | |
617 | 10 * USEC_PER_SEC, USEC_PER_SEC, on_spawn_timeout, &pid) >= 0); | |
618 | assert_se(sd_event_add_io(e, &stdout_source, outpipe[0], EPOLLIN, on_spawn_io, &result) >= 0); | |
619 | assert_se(sd_event_source_set_enabled(stdout_source, SD_EVENT_ONESHOT) >= 0); | |
620 | assert_se(sd_event_add_io(e, &stderr_source, errpipe[0], EPOLLIN, on_spawn_io, NULL) >= 0); | |
621 | assert_se(sd_event_source_set_enabled(stderr_source, SD_EVENT_ONESHOT) >= 0); | |
622 | assert_se(sd_event_add_child(e, &sigchld_source, pid, WEXITED, on_spawn_sigchld, NULL) >= 0); | |
623 | /* SIGCHLD should be processed after IO is complete */ | |
624 | assert_se(sd_event_source_set_priority(sigchld_source, SD_EVENT_PRIORITY_NORMAL + 1) >= 0); | |
625 | ||
626 | assert_se(sd_event_loop(e) >= 0); | |
627 | ||
628 | _cleanup_strv_free_ char **v = NULL; | |
629 | assert_se(strv_split_newlines_full(&v, result, 0) >= 0); | |
630 | ||
42867dfe YW |
631 | STRV_FOREACH(q, v) { |
632 | _cleanup_free_ char *word = NULL; | |
633 | const char *p = *q; | |
634 | ||
635 | r = extract_first_word(&p, &word, NULL, 0); | |
636 | assert_se(r >= 0); | |
637 | if (r == 0) | |
638 | continue; | |
639 | ||
640 | if (path_is_absolute(word)) { | |
641 | assert_se(strv_consume(&libraries, TAKE_PTR(word)) >= 0); | |
642 | continue; | |
643 | } | |
644 | ||
645 | word = mfree(word); | |
646 | r = extract_first_word(&p, &word, NULL, 0); | |
647 | assert_se(r >= 0); | |
648 | if (r == 0) | |
649 | continue; | |
650 | ||
651 | if (!streq_ptr(word, "=>")) | |
652 | continue; | |
653 | ||
654 | word = mfree(word); | |
655 | r = extract_first_word(&p, &word, NULL, 0); | |
656 | assert_se(r >= 0); | |
657 | if (r == 0) | |
658 | continue; | |
659 | ||
660 | if (path_is_absolute(word)) { | |
661 | assert_se(strv_consume(&libraries, TAKE_PTR(word)) >= 0); | |
662 | continue; | |
663 | } | |
664 | } | |
665 | ||
666 | *ret = TAKE_PTR(libraries); | |
667 | return 0; | |
668 | } | |
669 | ||
670 | static void test_exec_mount_apivfs(Manager *m) { | |
671 | _cleanup_free_ char *fullpath_touch = NULL, *fullpath_test = NULL, *data = NULL; | |
672 | _cleanup_strv_free_ char **libraries = NULL, **libraries_test = NULL; | |
673 | int r; | |
674 | ||
f21b863e | 675 | assert_se(user_runtime_unit_dir); |
42867dfe | 676 | |
9f452259 YW |
677 | r = find_executable("ldd", NULL); |
678 | if (r < 0) { | |
679 | log_notice_errno(r, "Skipping %s, could not find 'ldd' command: %m", __func__); | |
680 | return; | |
681 | } | |
42867dfe YW |
682 | r = find_executable("touch", &fullpath_touch); |
683 | if (r < 0) { | |
684 | log_notice_errno(r, "Skipping %s, could not find 'touch' command: %m", __func__); | |
685 | return; | |
686 | } | |
687 | r = find_executable("test", &fullpath_test); | |
688 | if (r < 0) { | |
689 | log_notice_errno(r, "Skipping %s, could not find 'test' command: %m", __func__); | |
690 | return; | |
691 | } | |
692 | ||
693 | assert_se(find_libraries(fullpath_touch, &libraries) >= 0); | |
694 | assert_se(find_libraries(fullpath_test, &libraries_test) >= 0); | |
695 | assert_se(strv_extend_strv(&libraries, libraries_test, true) >= 0); | |
696 | ||
697 | assert_se(strextend(&data, "[Service]\n")); | |
698 | assert_se(strextend(&data, "ExecStart=", fullpath_touch, " /aaa\n")); | |
699 | assert_se(strextend(&data, "ExecStart=", fullpath_test, " -f /aaa\n")); | |
700 | assert_se(strextend(&data, "BindReadOnlyPaths=", fullpath_touch, "\n")); | |
701 | assert_se(strextend(&data, "BindReadOnlyPaths=", fullpath_test, "\n")); | |
702 | ||
42867dfe YW |
703 | STRV_FOREACH(p, libraries) |
704 | assert_se(strextend(&data, "BindReadOnlyPaths=", *p, "\n")); | |
705 | ||
706 | assert_se(write_drop_in(user_runtime_unit_dir, "exec-mount-apivfs-no.service", 10, "bind-mount", data) >= 0); | |
707 | ||
708 | assert_se(mkdir_p("/tmp/test-exec-mount-apivfs-no/root", 0755) >= 0); | |
709 | ||
6ef721cb | 710 | test(m, "exec-mount-apivfs-no.service", can_unshare || !MANAGER_IS_SYSTEM(m) ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
42867dfe YW |
711 | |
712 | (void) rm_rf("/tmp/test-exec-mount-apivfs-no/root", REMOVE_ROOT|REMOVE_PHYSICAL); | |
713 | } | |
714 | ||
ddc155b2 TM |
715 | static void test_exec_noexecpaths(Manager *m) { |
716 | ||
6ef721cb | 717 | test(m, "exec-noexecpaths-simple.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
ddc155b2 TM |
718 | } |
719 | ||
4cac89bd YW |
720 | static void test_exec_temporaryfilesystem(Manager *m) { |
721 | ||
fe65d692 ZJS |
722 | test(m, "exec-temporaryfilesystem-options.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
723 | test(m, "exec-temporaryfilesystem-ro.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); | |
724 | test(m, "exec-temporaryfilesystem-rw.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); | |
725 | test(m, "exec-temporaryfilesystem-usr.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); | |
4cac89bd YW |
726 | } |
727 | ||
281e05b6 | 728 | static void test_exec_systemcallfilter(Manager *m) { |
349cc4a5 | 729 | #if HAVE_SECCOMP |
738c74d7 YW |
730 | int r; |
731 | ||
f0e018e7 YW |
732 | if (!is_seccomp_available()) { |
733 | log_notice("Seccomp not available, skipping %s", __func__); | |
83f12b27 | 734 | return; |
f0e018e7 YW |
735 | } |
736 | ||
fe65d692 ZJS |
737 | test(m, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED); |
738 | test(m, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED); | |
e975a945 | 739 | test(m, "exec-systemcallfilter-not-failing3.service", 0, CLD_EXITED); |
fe65d692 ZJS |
740 | test(m, "exec-systemcallfilter-failing.service", SIGSYS, CLD_KILLED); |
741 | test(m, "exec-systemcallfilter-failing2.service", SIGSYS, CLD_KILLED); | |
e975a945 | 742 | test(m, "exec-systemcallfilter-failing3.service", SIGSYS, CLD_KILLED); |
738c74d7 | 743 | |
f7bc0c32 | 744 | r = find_executable("python3", NULL); |
738c74d7 YW |
745 | if (r < 0) { |
746 | log_notice_errno(r, "Skipping remaining tests in %s, could not find python3 binary: %m", __func__); | |
747 | return; | |
748 | } | |
749 | ||
fe65d692 ZJS |
750 | test(m, "exec-systemcallfilter-with-errno-name.service", errno_from_name("EILSEQ"), CLD_EXITED); |
751 | test(m, "exec-systemcallfilter-with-errno-number.service", 255, CLD_EXITED); | |
752 | test(m, "exec-systemcallfilter-with-errno-multi.service", errno_from_name("EILSEQ"), CLD_EXITED); | |
a62f651b | 753 | test(m, "exec-systemcallfilter-with-errno-in-allow-list.service", errno_from_name("EILSEQ"), CLD_EXITED); |
fe65d692 ZJS |
754 | test(m, "exec-systemcallfilter-override-error-action.service", SIGSYS, CLD_KILLED); |
755 | test(m, "exec-systemcallfilter-override-error-action2.service", errno_from_name("EILSEQ"), CLD_EXITED); | |
281e05b6 RC |
756 | #endif |
757 | } | |
758 | ||
759 | static void test_exec_systemcallerrornumber(Manager *m) { | |
349cc4a5 | 760 | #if HAVE_SECCOMP |
738c74d7 YW |
761 | int r; |
762 | ||
f0e018e7 YW |
763 | if (!is_seccomp_available()) { |
764 | log_notice("Seccomp not available, skipping %s", __func__); | |
7a18854f | 765 | return; |
f0e018e7 YW |
766 | } |
767 | ||
f7bc0c32 | 768 | r = find_executable("python3", NULL); |
738c74d7 YW |
769 | if (r < 0) { |
770 | log_notice_errno(r, "Skipping %s, could not find python3 binary: %m", __func__); | |
771 | return; | |
772 | } | |
773 | ||
fe65d692 ZJS |
774 | test(m, "exec-systemcallerrornumber-name.service", errno_from_name("EACCES"), CLD_EXITED); |
775 | test(m, "exec-systemcallerrornumber-number.service", 255, CLD_EXITED); | |
281e05b6 RC |
776 | #endif |
777 | } | |
778 | ||
f0e018e7 | 779 | static void test_exec_restrictnamespaces(Manager *m) { |
349cc4a5 | 780 | #if HAVE_SECCOMP |
f0e018e7 YW |
781 | if (!is_seccomp_available()) { |
782 | log_notice("Seccomp not available, skipping %s", __func__); | |
97e60383 | 783 | return; |
f0e018e7 | 784 | } |
97e60383 | 785 | |
fe65d692 ZJS |
786 | test(m, "exec-restrictnamespaces-no.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
787 | test(m, "exec-restrictnamespaces-yes.service", 1, CLD_EXITED); | |
788 | test(m, "exec-restrictnamespaces-mnt.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); | |
789 | test(m, "exec-restrictnamespaces-mnt-deny-list.service", 1, CLD_EXITED); | |
790 | test(m, "exec-restrictnamespaces-merge-and.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); | |
791 | test(m, "exec-restrictnamespaces-merge-or.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); | |
792 | test(m, "exec-restrictnamespaces-merge-all.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); | |
97e60383 DH |
793 | #endif |
794 | } | |
795 | ||
f0e018e7 | 796 | static void test_exec_systemcallfilter_system(Manager *m) { |
4967da2d FS |
797 | /* Skip this particular test case when running under ASan, as |
798 | * LSan intermittently segfaults when accessing memory right | |
799 | * after the test finishes. Generally, ASan & LSan don't like | |
800 | * the seccomp stuff. | |
801 | */ | |
802 | #if HAVE_SECCOMP && !HAS_FEATURE_ADDRESS_SANITIZER | |
f0e018e7 YW |
803 | if (!is_seccomp_available()) { |
804 | log_notice("Seccomp not available, skipping %s", __func__); | |
83f12b27 | 805 | return; |
f0e018e7 | 806 | } |
57c2efa0 | 807 | |
4e032f65 | 808 | test(m, "exec-systemcallfilter-system-user.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_GROUP, CLD_EXITED); |
69b07407 | 809 | |
57c2efa0 | 810 | if (!check_nobody_user_and_group()) { |
5cd33ccc | 811 | log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__); |
57c2efa0 YW |
812 | return; |
813 | } | |
814 | ||
69b07407 | 815 | if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) { |
5cd33ccc | 816 | log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__); |
69b07407 YW |
817 | return; |
818 | } | |
819 | ||
4e032f65 | 820 | test(m, "exec-systemcallfilter-system-user-" NOBODY_USER_NAME ".service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_GROUP, CLD_EXITED); |
19c0b0b9 RC |
821 | #endif |
822 | } | |
823 | ||
281e05b6 | 824 | static void test_exec_user(Manager *m) { |
4e032f65 | 825 | test(m, "exec-user.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_GROUP, CLD_EXITED); |
69b07407 | 826 | |
57c2efa0 | 827 | if (!check_nobody_user_and_group()) { |
5cd33ccc | 828 | log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__); |
57c2efa0 YW |
829 | return; |
830 | } | |
831 | ||
69b07407 | 832 | if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) { |
5cd33ccc | 833 | log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__); |
69b07407 YW |
834 | return; |
835 | } | |
836 | ||
4e032f65 | 837 | test(m, "exec-user-" NOBODY_USER_NAME ".service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_GROUP, CLD_EXITED); |
281e05b6 RC |
838 | } |
839 | ||
840 | static void test_exec_group(Manager *m) { | |
4e032f65 | 841 | test(m, "exec-group.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_GROUP, CLD_EXITED); |
69b07407 | 842 | |
57c2efa0 | 843 | if (!check_nobody_user_and_group()) { |
5cd33ccc | 844 | log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__); |
57c2efa0 YW |
845 | return; |
846 | } | |
847 | ||
69b07407 | 848 | if (!STR_IN_SET(NOBODY_GROUP_NAME, "nobody", "nfsnobody", "nogroup")) { |
5cd33ccc | 849 | log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME, __func__); |
69b07407 YW |
850 | return; |
851 | } | |
852 | ||
4e032f65 | 853 | test(m, "exec-group-" NOBODY_GROUP_NAME ".service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_GROUP, CLD_EXITED); |
281e05b6 RC |
854 | } |
855 | ||
f0e018e7 | 856 | static void test_exec_supplementarygroups(Manager *m) { |
4e032f65 YW |
857 | int status = MANAGER_IS_SYSTEM(m) ? 0 : EXIT_GROUP; |
858 | test(m, "exec-supplementarygroups.service", status, CLD_EXITED); | |
859 | test(m, "exec-supplementarygroups-single-group.service", status, CLD_EXITED); | |
860 | test(m, "exec-supplementarygroups-single-group-user.service", status, CLD_EXITED); | |
861 | test(m, "exec-supplementarygroups-multiple-groups-default-group-user.service", status, CLD_EXITED); | |
862 | test(m, "exec-supplementarygroups-multiple-groups-withgid.service", status, CLD_EXITED); | |
863 | test(m, "exec-supplementarygroups-multiple-groups-withuid.service", status, CLD_EXITED); | |
86b838ea DH |
864 | } |
865 | ||
cced2b98 ZJS |
866 | static char* private_directory_bad(Manager *m) { |
867 | /* This mirrors setup_exec_directory(). */ | |
868 | ||
869 | for (ExecDirectoryType dt = 0; dt < _EXEC_DIRECTORY_TYPE_MAX; dt++) { | |
870 | _cleanup_free_ char *p = NULL; | |
871 | struct stat st; | |
872 | ||
873 | assert_se(p = path_join(m->prefix[dt], "private")); | |
874 | ||
875 | if (stat(p, &st) >= 0 && | |
876 | (st.st_mode & (S_IRWXG|S_IRWXO))) | |
877 | return TAKE_PTR(p); | |
878 | } | |
879 | ||
880 | return NULL; | |
881 | } | |
882 | ||
f0e018e7 | 883 | static void test_exec_dynamicuser(Manager *m) { |
cced2b98 ZJS |
884 | _cleanup_free_ char *bad = private_directory_bad(m); |
885 | if (bad) { | |
886 | log_warning("%s: %s has bad permissions, skipping test.", __func__, bad); | |
887 | return; | |
888 | } | |
b7172f34 | 889 | |
d1b74295 FS |
890 | if (strstr_ptr(ci_environment(), "github-actions")) { |
891 | log_notice("%s: skipping test on GH Actions because of systemd/systemd#10337", __func__); | |
892 | return; | |
893 | } | |
894 | ||
4e032f65 YW |
895 | int status = can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_NAMESPACE : EXIT_GROUP; |
896 | ||
897 | test(m, "exec-dynamicuser-fixeduser.service", status, CLD_EXITED); | |
9f82d685 | 898 | if (check_user_has_group_with_same_name("adm")) |
4e032f65 | 899 | test(m, "exec-dynamicuser-fixeduser-adm.service", status, CLD_EXITED); |
9f82d685 | 900 | if (check_user_has_group_with_same_name("games")) |
4e032f65 YW |
901 | test(m, "exec-dynamicuser-fixeduser-games.service", status, CLD_EXITED); |
902 | test(m, "exec-dynamicuser-fixeduser-one-supplementarygroup.service", status, CLD_EXITED); | |
903 | test(m, "exec-dynamicuser-supplementarygroups.service", status, CLD_EXITED); | |
904 | test(m, "exec-dynamicuser-statedir.service", status, CLD_EXITED); | |
028f3a7f | 905 | |
f5939651 | 906 | (void) rm_rf("/var/lib/quux", REMOVE_ROOT|REMOVE_PHYSICAL); |
1c587309 YW |
907 | (void) rm_rf("/var/lib/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL); |
908 | (void) rm_rf("/var/lib/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL); | |
f5939651 TM |
909 | (void) rm_rf("/var/lib/waldo", REMOVE_ROOT|REMOVE_PHYSICAL); |
910 | (void) rm_rf("/var/lib/private/quux", REMOVE_ROOT|REMOVE_PHYSICAL); | |
1c587309 YW |
911 | (void) rm_rf("/var/lib/private/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL); |
912 | (void) rm_rf("/var/lib/private/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL); | |
f5939651 | 913 | (void) rm_rf("/var/lib/private/waldo", REMOVE_ROOT|REMOVE_PHYSICAL); |
1c587309 | 914 | |
fe65d692 | 915 | test(m, "exec-dynamicuser-statedir-migrate-step1.service", 0, CLD_EXITED); |
4e032f65 | 916 | test(m, "exec-dynamicuser-statedir-migrate-step2.service", status, CLD_EXITED); |
fe65d692 | 917 | test(m, "exec-dynamicuser-statedir-migrate-step1.service", 0, CLD_EXITED); |
1c587309 | 918 | |
028f3a7f YW |
919 | (void) rm_rf("/var/lib/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL); |
920 | (void) rm_rf("/var/lib/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL); | |
921 | (void) rm_rf("/var/lib/private/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL); | |
922 | (void) rm_rf("/var/lib/private/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL); | |
e4c01fe6 | 923 | |
4e032f65 YW |
924 | test(m, "exec-dynamicuser-runtimedirectory1.service", status, CLD_EXITED); |
925 | test(m, "exec-dynamicuser-runtimedirectory2.service", status, CLD_EXITED); | |
926 | test(m, "exec-dynamicuser-runtimedirectory3.service", status, CLD_EXITED); | |
2b9ac11e DH |
927 | } |
928 | ||
281e05b6 | 929 | static void test_exec_environment(Manager *m) { |
fe65d692 ZJS |
930 | test(m, "exec-environment-no-substitute.service", 0, CLD_EXITED); |
931 | test(m, "exec-environment.service", 0, CLD_EXITED); | |
932 | test(m, "exec-environment-multiple.service", 0, CLD_EXITED); | |
933 | test(m, "exec-environment-empty.service", 0, CLD_EXITED); | |
281e05b6 RC |
934 | } |
935 | ||
03bd70dd RC |
936 | static void test_exec_environmentfile(Manager *m) { |
937 | static const char e[] = | |
938 | "VAR1='word1 word2'\n" | |
939 | "VAR2=word3 \n" | |
940 | "# comment1\n" | |
941 | "\n" | |
942 | "; comment2\n" | |
943 | " ; # comment3\n" | |
944 | "line without an equal\n" | |
9b796f35 | 945 | "VAR3='$word 5 6'\n" |
b6887d7a JH |
946 | "VAR4='new\nline'\n" |
947 | "VAR5=password\\with\\backslashes"; | |
03bd70dd RC |
948 | int r; |
949 | ||
950 | r = write_string_file("/tmp/test-exec_environmentfile.conf", e, WRITE_STRING_FILE_CREATE); | |
951 | assert_se(r == 0); | |
952 | ||
fe65d692 | 953 | test(m, "exec-environmentfile.service", 0, CLD_EXITED); |
03bd70dd | 954 | |
f0e018e7 | 955 | (void) unlink("/tmp/test-exec_environmentfile.conf"); |
03bd70dd RC |
956 | } |
957 | ||
4c80d201 | 958 | static void test_exec_passenvironment(Manager *m) { |
e1abca2e FB |
959 | /* test-execute runs under MANAGER_USER which, by default, forwards all |
960 | * variables present in the environment, but only those that are | |
961 | * present _at the time it is created_! | |
962 | * | |
963 | * So these PassEnvironment checks are still expected to work, since we | |
964 | * are ensuring the variables are not present at manager creation (they | |
965 | * are unset explicitly in main) and are only set here. | |
966 | * | |
967 | * This is still a good approximation of how a test for MANAGER_SYSTEM | |
968 | * would work. | |
969 | */ | |
4c80d201 FB |
970 | assert_se(setenv("VAR1", "word1 word2", 1) == 0); |
971 | assert_se(setenv("VAR2", "word3", 1) == 0); | |
972 | assert_se(setenv("VAR3", "$word 5 6", 1) == 0); | |
9b796f35 | 973 | assert_se(setenv("VAR4", "new\nline", 1) == 0); |
b6887d7a | 974 | assert_se(setenv("VAR5", "passwordwithbackslashes", 1) == 0); |
fe65d692 ZJS |
975 | test(m, "exec-passenvironment.service", 0, CLD_EXITED); |
976 | test(m, "exec-passenvironment-repeated.service", 0, CLD_EXITED); | |
977 | test(m, "exec-passenvironment-empty.service", 0, CLD_EXITED); | |
4c80d201 FB |
978 | assert_se(unsetenv("VAR1") == 0); |
979 | assert_se(unsetenv("VAR2") == 0); | |
980 | assert_se(unsetenv("VAR3") == 0); | |
9b796f35 | 981 | assert_se(unsetenv("VAR4") == 0); |
b6887d7a | 982 | assert_se(unsetenv("VAR5") == 0); |
fe65d692 | 983 | test(m, "exec-passenvironment-absent.service", 0, CLD_EXITED); |
4c80d201 FB |
984 | } |
985 | ||
27c5347c | 986 | static void test_exec_umask(Manager *m) { |
6ef721cb LB |
987 | test(m, "exec-umask-default.service", can_unshare || MANAGER_IS_SYSTEM(m) ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
988 | test(m, "exec-umask-0177.service", can_unshare || MANAGER_IS_SYSTEM(m) ? 0 : EXIT_NAMESPACE, CLD_EXITED); | |
27c5347c RC |
989 | } |
990 | ||
cc3ddc85 | 991 | static void test_exec_runtimedirectory(Manager *m) { |
4e032f65 | 992 | (void) rm_rf("/run/test-exec_runtimedirectory2", REMOVE_ROOT|REMOVE_PHYSICAL); |
fe65d692 | 993 | test(m, "exec-runtimedirectory.service", 0, CLD_EXITED); |
4e032f65 YW |
994 | (void) rm_rf("/run/test-exec_runtimedirectory2", REMOVE_ROOT|REMOVE_PHYSICAL); |
995 | ||
fe65d692 | 996 | test(m, "exec-runtimedirectory-mode.service", 0, CLD_EXITED); |
4e032f65 | 997 | test(m, "exec-runtimedirectory-owner.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_GROUP, CLD_EXITED); |
57c2efa0 YW |
998 | |
999 | if (!check_nobody_user_and_group()) { | |
5cd33ccc | 1000 | log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__); |
69b07407 YW |
1001 | return; |
1002 | } | |
1003 | ||
1004 | if (!STR_IN_SET(NOBODY_GROUP_NAME, "nobody", "nfsnobody", "nogroup")) { | |
5cd33ccc | 1005 | log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME, __func__); |
57c2efa0 YW |
1006 | return; |
1007 | } | |
1008 | ||
4e032f65 | 1009 | test(m, "exec-runtimedirectory-owner-" NOBODY_GROUP_NAME ".service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_GROUP, CLD_EXITED); |
ff4ca461 RC |
1010 | } |
1011 | ||
1012 | static void test_exec_capabilityboundingset(Manager *m) { | |
1013 | int r; | |
1014 | ||
f7bc0c32 | 1015 | r = find_executable("capsh", NULL); |
ff4ca461 | 1016 | if (r < 0) { |
5cd33ccc | 1017 | log_notice_errno(r, "Skipping %s, could not find capsh binary: %m", __func__); |
ff4ca461 RC |
1018 | return; |
1019 | } | |
1020 | ||
b7856f92 YW |
1021 | if (have_effective_cap(CAP_CHOWN) <= 0 || |
1022 | have_effective_cap(CAP_FOWNER) <= 0 || | |
1023 | have_effective_cap(CAP_KILL) <= 0) { | |
1024 | log_notice("Skipping %s, this process does not have enough capabilities", __func__); | |
1025 | return; | |
1026 | } | |
1027 | ||
fe65d692 ZJS |
1028 | test(m, "exec-capabilityboundingset-simple.service", 0, CLD_EXITED); |
1029 | test(m, "exec-capabilityboundingset-reset.service", 0, CLD_EXITED); | |
1030 | test(m, "exec-capabilityboundingset-merge.service", 0, CLD_EXITED); | |
1031 | test(m, "exec-capabilityboundingset-invert.service", 0, CLD_EXITED); | |
cc3ddc85 RC |
1032 | } |
1033 | ||
5008da1e | 1034 | static void test_exec_basic(Manager *m) { |
6ef721cb | 1035 | test(m, "exec-basic.service", can_unshare || MANAGER_IS_SYSTEM(m) ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
5008da1e ZJS |
1036 | } |
1037 | ||
b6dc25ee | 1038 | static void test_exec_ambientcapabilities(Manager *m) { |
70d7aea5 IP |
1039 | int r; |
1040 | ||
1041 | /* Check if the kernel has support for ambient capabilities. Run | |
1042 | * the tests only if that's the case. Clearing all ambient | |
1043 | * capabilities is fine, since we are expecting them to be unset | |
1044 | * in the first place for the tests. */ | |
1045 | r = prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0); | |
f0e018e7 | 1046 | if (r < 0 && IN_SET(errno, EINVAL, EOPNOTSUPP, ENOSYS)) { |
5cd33ccc | 1047 | log_notice("Skipping %s, the kernel does not support ambient capabilities", __func__); |
f0e018e7 YW |
1048 | return; |
1049 | } | |
1050 | ||
e5ba1d32 | 1051 | if (have_effective_cap(CAP_CHOWN) <= 0 || |
b7856f92 YW |
1052 | have_effective_cap(CAP_NET_RAW) <= 0) { |
1053 | log_notice("Skipping %s, this process does not have enough capabilities", __func__); | |
1054 | return; | |
1055 | } | |
1056 | ||
fe65d692 ZJS |
1057 | test(m, "exec-ambientcapabilities.service", 0, CLD_EXITED); |
1058 | test(m, "exec-ambientcapabilities-merge.service", 0, CLD_EXITED); | |
69b07407 | 1059 | |
57c2efa0 | 1060 | if (!check_nobody_user_and_group()) { |
5cd33ccc | 1061 | log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__); |
69b07407 YW |
1062 | return; |
1063 | } | |
1064 | ||
1065 | if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) { | |
5cd33ccc | 1066 | log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__); |
57c2efa0 YW |
1067 | return; |
1068 | } | |
1069 | ||
fe65d692 ZJS |
1070 | test(m, "exec-ambientcapabilities-" NOBODY_USER_NAME ".service", 0, CLD_EXITED); |
1071 | test(m, "exec-ambientcapabilities-merge-" NOBODY_USER_NAME ".service", 0, CLD_EXITED); | |
70d7aea5 IP |
1072 | } |
1073 | ||
63447f11 | 1074 | static void test_exec_privatenetwork(Manager *m) { |
6ef721cb | 1075 | int r; |
63447f11 | 1076 | |
f7bc0c32 | 1077 | r = find_executable("ip", NULL); |
63447f11 | 1078 | if (r < 0) { |
5cd33ccc | 1079 | log_notice_errno(r, "Skipping %s, could not find ip binary: %m", __func__); |
63447f11 RC |
1080 | return; |
1081 | } | |
1082 | ||
6ef721cb LB |
1083 | test(m, "exec-privatenetwork-yes-privatemounts-no.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_NETWORK : EXIT_FAILURE, CLD_EXITED); |
1084 | test(m, "exec-privatenetwork-yes-privatemounts-yes.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_NETWORK : EXIT_NAMESPACE, CLD_EXITED); | |
63447f11 RC |
1085 | } |
1086 | ||
600ed5c2 YW |
1087 | static void test_exec_networknamespacepath(Manager *m) { |
1088 | int r; | |
1089 | ||
1090 | r = find_executable("ip", NULL); | |
1091 | if (r < 0) { | |
1092 | log_notice_errno(r, "Skipping %s, could not find ip binary: %m", __func__); | |
1093 | return; | |
1094 | } | |
1095 | ||
1096 | test(m, "exec-networknamespacepath-privatemounts-no.service", MANAGER_IS_SYSTEM(m) ? EXIT_SUCCESS : EXIT_FAILURE, CLD_EXITED); | |
6ef721cb | 1097 | test(m, "exec-networknamespacepath-privatemounts-yes.service", can_unshare ? EXIT_SUCCESS : MANAGER_IS_SYSTEM(m) ? EXIT_FAILURE : EXIT_NAMESPACE, CLD_EXITED); |
600ed5c2 YW |
1098 | } |
1099 | ||
c388dfea | 1100 | static void test_exec_oomscoreadjust(Manager *m) { |
fe65d692 | 1101 | test(m, "exec-oomscoreadjust-positive.service", 0, CLD_EXITED); |
642d1a6d YW |
1102 | |
1103 | if (detect_container() > 0) { | |
1104 | log_notice("Testing in container, skipping remaining tests in %s", __func__); | |
1105 | return; | |
1106 | } | |
4e032f65 | 1107 | test(m, "exec-oomscoreadjust-negative.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_FAILURE, CLD_EXITED); |
c388dfea RC |
1108 | } |
1109 | ||
a6226758 | 1110 | static void test_exec_ioschedulingclass(Manager *m) { |
fe65d692 ZJS |
1111 | test(m, "exec-ioschedulingclass-none.service", 0, CLD_EXITED); |
1112 | test(m, "exec-ioschedulingclass-idle.service", 0, CLD_EXITED); | |
1113 | test(m, "exec-ioschedulingclass-best-effort.service", 0, CLD_EXITED); | |
642d1a6d YW |
1114 | |
1115 | if (detect_container() > 0) { | |
1116 | log_notice("Testing in container, skipping remaining tests in %s", __func__); | |
1117 | return; | |
1118 | } | |
4e032f65 | 1119 | test(m, "exec-ioschedulingclass-realtime.service", MANAGER_IS_SYSTEM(m) ? 0 : EXIT_IOPRIO, CLD_EXITED); |
a6226758 RC |
1120 | } |
1121 | ||
f0e018e7 | 1122 | static void test_exec_unsetenvironment(Manager *m) { |
fe65d692 | 1123 | test(m, "exec-unsetenvironment.service", 0, CLD_EXITED); |
42cc99d5 LP |
1124 | } |
1125 | ||
9672b583 | 1126 | static void test_exec_specifier(Manager *m) { |
adeff822 | 1127 | test(m, "exec-specifier.service", 0, CLD_EXITED); |
4e032f65 YW |
1128 | if (MANAGER_IS_SYSTEM(m)) |
1129 | test(m, "exec-specifier-system.service", 0, CLD_EXITED); | |
1130 | else | |
1131 | test(m, "exec-specifier-user.service", 0, CLD_EXITED); | |
adeff822 | 1132 | test(m, "exec-specifier@foo-bar.service", 0, CLD_EXITED); |
fe65d692 | 1133 | test(m, "exec-specifier-interpolation.service", 0, CLD_EXITED); |
9672b583 LP |
1134 | } |
1135 | ||
f0e018e7 | 1136 | static void test_exec_standardinput(Manager *m) { |
fe65d692 ZJS |
1137 | test(m, "exec-standardinput-data.service", 0, CLD_EXITED); |
1138 | test(m, "exec-standardinput-file.service", 0, CLD_EXITED); | |
1139 | test(m, "exec-standardinput-file-cat.service", 0, CLD_EXITED); | |
666d7877 LP |
1140 | } |
1141 | ||
566b7d23 | 1142 | static void test_exec_standardoutput(Manager *m) { |
fe65d692 | 1143 | test(m, "exec-standardoutput-file.service", 0, CLD_EXITED); |
566b7d23 ZD |
1144 | } |
1145 | ||
1146 | static void test_exec_standardoutput_append(Manager *m) { | |
fe65d692 | 1147 | test(m, "exec-standardoutput-append.service", 0, CLD_EXITED); |
566b7d23 ZD |
1148 | } |
1149 | ||
8d7dab1f LW |
1150 | static void test_exec_standardoutput_truncate(Manager *m) { |
1151 | test(m, "exec-standardoutput-truncate.service", 0, CLD_EXITED); | |
1152 | } | |
1153 | ||
31cd5f63 | 1154 | static void test_exec_condition(Manager *m) { |
fe65d692 ZJS |
1155 | test_service(m, "exec-condition-failed.service", SERVICE_FAILURE_EXIT_CODE); |
1156 | test_service(m, "exec-condition-skip.service", SERVICE_SKIP_CONDITION); | |
31cd5f63 AZ |
1157 | } |
1158 | ||
875afa02 | 1159 | static void test_exec_umask_namespace(Manager *m) { |
bfd67106 YW |
1160 | /* exec-specifier-credentials-dir.service creates /run/credentials and enables implicit |
1161 | * InaccessiblePath= for the directory for all later services with mount namespace. */ | |
1162 | if (!is_inaccessible_available()) { | |
1163 | log_notice("Testing without inaccessible, skipping %s", __func__); | |
1164 | return; | |
1165 | } | |
4e032f65 | 1166 | test(m, "exec-umask-namespace.service", can_unshare ? 0 : MANAGER_IS_SYSTEM(m) ? EXIT_NAMESPACE : EXIT_GROUP, CLD_EXITED); |
875afa02 LP |
1167 | } |
1168 | ||
9efb9631 ZJS |
1169 | typedef struct test_entry { |
1170 | test_function_t f; | |
1171 | const char *name; | |
1172 | } test_entry; | |
1173 | ||
1174 | #define entry(x) {x, #x} | |
1175 | ||
4870133b | 1176 | static void run_tests(RuntimeScope scope, char **patterns) { |
4e032f65 YW |
1177 | _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL; |
1178 | _cleanup_free_ char *unit_paths = NULL; | |
c70cac54 | 1179 | _cleanup_(manager_freep) Manager *m = NULL; |
791a84ad | 1180 | usec_t start, finish; |
19c0b0b9 RC |
1181 | int r; |
1182 | ||
4e032f65 | 1183 | static const test_entry tests[] = { |
9efb9631 ZJS |
1184 | entry(test_exec_basic), |
1185 | entry(test_exec_ambientcapabilities), | |
1186 | entry(test_exec_bindpaths), | |
1187 | entry(test_exec_capabilityboundingset), | |
31cd5f63 | 1188 | entry(test_exec_condition), |
9efb9631 | 1189 | entry(test_exec_cpuaffinity), |
b7cca6cc | 1190 | entry(test_exec_credentials), |
4e032f65 | 1191 | entry(test_exec_dynamicuser), |
9efb9631 ZJS |
1192 | entry(test_exec_environment), |
1193 | entry(test_exec_environmentfile), | |
4e032f65 YW |
1194 | entry(test_exec_execsearchpath), |
1195 | entry(test_exec_execsearchpath_environment), | |
1196 | entry(test_exec_execsearchpath_environment_files), | |
1197 | entry(test_exec_execsearchpath_passenvironment), | |
1198 | entry(test_exec_execsearchpath_specifier), | |
9efb9631 ZJS |
1199 | entry(test_exec_group), |
1200 | entry(test_exec_ignoresigpipe), | |
1201 | entry(test_exec_inaccessiblepaths), | |
1202 | entry(test_exec_ioschedulingclass), | |
42867dfe | 1203 | entry(test_exec_mount_apivfs), |
600ed5c2 | 1204 | entry(test_exec_networknamespacepath), |
ddc155b2 | 1205 | entry(test_exec_noexecpaths), |
9efb9631 ZJS |
1206 | entry(test_exec_oomscoreadjust), |
1207 | entry(test_exec_passenvironment), | |
1208 | entry(test_exec_personality), | |
1209 | entry(test_exec_privatedevices), | |
1210 | entry(test_exec_privatenetwork), | |
1211 | entry(test_exec_privatetmp), | |
1212 | entry(test_exec_protecthome), | |
1213 | entry(test_exec_protectkernelmodules), | |
1214 | entry(test_exec_readonlypaths), | |
1215 | entry(test_exec_readwritepaths), | |
1216 | entry(test_exec_restrictnamespaces), | |
1217 | entry(test_exec_runtimedirectory), | |
4e032f65 | 1218 | entry(test_exec_specifier), |
9efb9631 ZJS |
1219 | entry(test_exec_standardinput), |
1220 | entry(test_exec_standardoutput), | |
1221 | entry(test_exec_standardoutput_append), | |
8d7dab1f | 1222 | entry(test_exec_standardoutput_truncate), |
9efb9631 ZJS |
1223 | entry(test_exec_supplementarygroups), |
1224 | entry(test_exec_systemcallerrornumber), | |
1225 | entry(test_exec_systemcallfilter), | |
4e032f65 | 1226 | entry(test_exec_systemcallfilter_system), |
9efb9631 ZJS |
1227 | entry(test_exec_temporaryfilesystem), |
1228 | entry(test_exec_umask), | |
4e032f65 | 1229 | entry(test_exec_umask_namespace), |
9efb9631 ZJS |
1230 | entry(test_exec_unsetenvironment), |
1231 | entry(test_exec_user), | |
1232 | entry(test_exec_workingdirectory), | |
9efb9631 | 1233 | {}, |
19c0b0b9 | 1234 | }; |
176ceb2c | 1235 | |
44ee03d1 ZJS |
1236 | assert_se(unsetenv("USER") == 0); |
1237 | assert_se(unsetenv("LOGNAME") == 0); | |
1238 | assert_se(unsetenv("SHELL") == 0); | |
1239 | assert_se(unsetenv("HOME") == 0); | |
1240 | assert_se(unsetenv("TMPDIR") == 0); | |
2482f88d | 1241 | |
4e032f65 YW |
1242 | /* Unset VARx, especially, VAR1, VAR2 and VAR3, which are used in the PassEnvironment test cases, |
1243 | * otherwise (and if they are present in the environment), `manager_default_environment` will copy | |
1244 | * them into the default environment which is passed to each created job, which will make the tests | |
1245 | * that expect those not to be present to fail. */ | |
1246 | assert_se(unsetenv("VAR1") == 0); | |
1247 | assert_se(unsetenv("VAR2") == 0); | |
1248 | assert_se(unsetenv("VAR3") == 0); | |
1249 | assert_se(unsetenv("VAR4") == 0); | |
1250 | assert_se(unsetenv("VAR5") == 0); | |
34b59770 | 1251 | |
ac1f08b9 | 1252 | assert_se(runtime_dir = setup_fake_runtime_dir()); |
42867dfe | 1253 | assert_se(user_runtime_unit_dir = path_join(runtime_dir, "systemd/user")); |
4e032f65 | 1254 | assert_se(unit_paths = strjoin(PRIVATE_UNIT_DIR, ":", user_runtime_unit_dir)); |
42867dfe | 1255 | assert_se(set_unit_path(unit_paths) >= 0); |
281e05b6 | 1256 | |
4e032f65 YW |
1257 | r = manager_new(scope, MANAGER_TEST_RUN_BASIC, &m); |
1258 | if (manager_errno_skip_test(r)) | |
1259 | return (void) log_tests_skipped_errno(r, "manager_new"); | |
1260 | assert_se(r >= 0); | |
1261 | ||
c9e120e0 | 1262 | m->defaults.std_output = EXEC_OUTPUT_NULL; /* don't rely on host journald */ |
4e032f65 YW |
1263 | assert_se(manager_startup(m, NULL, NULL, NULL) >= 0); |
1264 | ||
1265 | /* Uncomment below if you want to make debugging logs stored to journal. */ | |
1266 | //manager_override_log_target(m, LOG_TARGET_AUTO); | |
1267 | //manager_override_log_level(m, LOG_DEBUG); | |
1268 | ||
791a84ad LB |
1269 | /* Measure and print the time that it takes to run tests, excluding startup of the manager object, |
1270 | * to try and measure latency of spawning services */ | |
b6349ffd | 1271 | n_ran_tests = 0; |
791a84ad LB |
1272 | start = now(CLOCK_MONOTONIC); |
1273 | ||
4e032f65 YW |
1274 | for (const test_entry *test = tests; test->f; test++) |
1275 | if (strv_fnmatch_or_empty(patterns, test->name, FNM_NOESCAPE)) | |
1276 | test->f(m); | |
1277 | else | |
1278 | log_info("Skipping %s because it does not match any pattern.", test->name); | |
791a84ad LB |
1279 | |
1280 | finish = now(CLOCK_MONOTONIC); | |
1281 | ||
b6349ffd LB |
1282 | log_info("ran %u tests with %s manager + unshare=%s in: %s", |
1283 | n_ran_tests, | |
791a84ad LB |
1284 | scope == RUNTIME_SCOPE_SYSTEM ? "system" : "user", |
1285 | yes_no(can_unshare), | |
1286 | FORMAT_TIMESPAN(finish - start, USEC_PER_MSEC)); | |
4e032f65 YW |
1287 | } |
1288 | ||
1289 | static int prepare_ns(const char *process_name) { | |
1290 | int r; | |
1291 | ||
1292 | r = safe_fork(process_name, | |
1293 | FORK_RESET_SIGNALS | | |
1294 | FORK_CLOSE_ALL_FDS | | |
1295 | FORK_DEATHSIG | | |
1296 | FORK_WAIT | | |
1297 | FORK_REOPEN_LOG | | |
1298 | FORK_LOG | | |
1299 | FORK_NEW_MOUNTNS | | |
1300 | FORK_MOUNTNS_SLAVE, | |
1301 | NULL); | |
1302 | assert_se(r >= 0); | |
1303 | if (r == 0) { | |
1304 | _cleanup_free_ char *unit_dir = NULL; | |
1305 | ||
1306 | /* Make "/" read-only. */ | |
e15ad182 | 1307 | assert_se(mount_nofollow_verbose(LOG_DEBUG, NULL, "/", NULL, MS_BIND|MS_REMOUNT|MS_RDONLY, NULL) >= 0); |
4e032f65 YW |
1308 | |
1309 | /* Creating a new user namespace in the above means all MS_SHARED mounts become MS_SLAVE. | |
1310 | * Let's put them back to MS_SHARED here, since that's what we want as defaults. (This will | |
1311 | * not reconnect propagation, but simply create new peer groups for all our mounts). */ | |
1312 | assert_se(mount_follow_verbose(LOG_DEBUG, NULL, "/", NULL, MS_SHARED|MS_REC, NULL) >= 0); | |
1313 | ||
1314 | assert_se(mkdir_p(PRIVATE_UNIT_DIR, 0755) >= 0); | |
c109cff9 | 1315 | assert_se(mount_nofollow_verbose(LOG_DEBUG, "tmpfs", PRIVATE_UNIT_DIR, "tmpfs", MS_NOSUID|MS_NODEV, NULL) >= 0); |
e1abca2e | 1316 | |
4e032f65 YW |
1317 | /* Copy unit files to make them accessible even when unprivileged. */ |
1318 | assert_se(get_testdata_dir("test-execute/", &unit_dir) >= 0); | |
f9f70e06 | 1319 | assert_se(copy_directory_at(AT_FDCWD, unit_dir, AT_FDCWD, PRIVATE_UNIT_DIR, COPY_MERGE_EMPTY) >= 0); |
b7172f34 | 1320 | |
c109cff9 FS |
1321 | /* Mount tmpfs on the following directories to make not StateDirectory= or friends disturb the host. */ |
1322 | FOREACH_STRING(p, "/dev/shm", "/root", "/tmp", "/var/tmp", "/var/lib") | |
1323 | assert_se(mount_nofollow_verbose(LOG_DEBUG, "tmpfs", p, "tmpfs", MS_NOSUID|MS_NODEV, NULL) >= 0); | |
1324 | ||
4e032f65 YW |
1325 | /* Prepare credstore like tmpfiles.d/credstore.conf for LoadCredential= tests. */ |
1326 | FOREACH_STRING(p, "/run/credstore", "/run/credstore.encrypted") { | |
1327 | assert_se(mkdir_p(p, 0) >= 0); | |
1328 | assert_se(mount_nofollow_verbose(LOG_DEBUG, "tmpfs", p, "tmpfs", MS_NOSUID|MS_NODEV, "mode=0000") >= 0); | |
1329 | } | |
b7cca6cc YW |
1330 | |
1331 | assert_se(write_string_file("/run/credstore/test-execute.load-credential", "foo", WRITE_STRING_FILE_CREATE) >= 0); | |
4e032f65 YW |
1332 | } |
1333 | ||
1334 | return r; | |
1335 | } | |
1336 | ||
1337 | TEST(run_tests_root) { | |
1338 | _cleanup_strv_free_ char **filters = NULL; | |
1339 | ||
1340 | if (!have_namespaces()) | |
1341 | return (void) log_tests_skipped("unshare() is disabled"); | |
1342 | ||
1343 | /* safe_fork() clears saved_argv in the child process. Let's copy it. */ | |
1344 | assert_se(filters = strv_copy(strv_skip(saved_argv, 1))); | |
1345 | ||
1346 | if (prepare_ns("(test-execute-root)") == 0) { | |
1347 | can_unshare = true; | |
4870133b | 1348 | run_tests(RUNTIME_SCOPE_SYSTEM, filters); |
4e032f65 YW |
1349 | _exit(EXIT_SUCCESS); |
1350 | } | |
1351 | } | |
1352 | ||
1353 | TEST(run_tests_without_unshare) { | |
1354 | if (!have_namespaces()) { | |
1355 | /* unshare() is already filtered. */ | |
1356 | can_unshare = false; | |
4870133b | 1357 | run_tests(RUNTIME_SCOPE_SYSTEM, strv_skip(saved_argv, 1)); |
4e032f65 YW |
1358 | return; |
1359 | } | |
b7172f34 YW |
1360 | |
1361 | #if HAVE_SECCOMP | |
4e032f65 YW |
1362 | _cleanup_strv_free_ char **filters = NULL; |
1363 | int r; | |
1364 | ||
b7172f34 | 1365 | /* The following tests are for 1beab8b0d0ff2d7d1436b52d4a0c3d56dc908962. */ |
4e032f65 YW |
1366 | if (!is_seccomp_available()) |
1367 | return (void) log_tests_skipped("Seccomp not available, cannot run unshare() filtered tests"); | |
1368 | ||
1369 | /* safe_fork() clears saved_argv in the child process. Let's copy it. */ | |
1370 | assert_se(filters = strv_copy(strv_skip(saved_argv, 1))); | |
b7172f34 | 1371 | |
4e032f65 YW |
1372 | if (prepare_ns("(test-execute-without-unshare)") == 0) { |
1373 | _cleanup_hashmap_free_ Hashmap *s = NULL; | |
b7172f34 | 1374 | |
4e032f65 YW |
1375 | r = seccomp_syscall_resolve_name("unshare"); |
1376 | assert_se(r != __NR_SCMP_ERROR); | |
1377 | assert_se(hashmap_ensure_put(&s, NULL, UINT32_TO_PTR(r + 1), INT_TO_PTR(-1)) >= 0); | |
1378 | assert_se(seccomp_load_syscall_filter_set_raw(SCMP_ACT_ALLOW, s, SCMP_ACT_ERRNO(EOPNOTSUPP), true) >= 0); | |
b7172f34 | 1379 | |
4e032f65 YW |
1380 | /* Check unshare() is actually filtered. */ |
1381 | assert_se(unshare(CLONE_NEWNS) < 0); | |
1382 | assert_se(errno == EOPNOTSUPP); | |
281e05b6 | 1383 | |
4e032f65 | 1384 | can_unshare = false; |
4870133b | 1385 | run_tests(RUNTIME_SCOPE_SYSTEM, filters); |
4e032f65 YW |
1386 | _exit(EXIT_SUCCESS); |
1387 | } | |
b7172f34 | 1388 | #else |
4e032f65 YW |
1389 | log_tests_skipped("Built without seccomp support, cannot run unshare() filtered tests"); |
1390 | #endif | |
1391 | } | |
1392 | ||
1393 | TEST(run_tests_unprivileged) { | |
1394 | _cleanup_strv_free_ char **filters = NULL; | |
1395 | ||
1396 | if (!have_namespaces()) | |
1397 | return (void) log_tests_skipped("unshare() is disabled"); | |
1398 | ||
1399 | /* safe_fork() clears saved_argv in the child process. Let's copy it. */ | |
1400 | assert_se(filters = strv_copy(strv_skip(saved_argv, 1))); | |
1401 | ||
1402 | if (prepare_ns("(test-execute-unprivileged)") == 0) { | |
1403 | assert_se(capability_bounding_set_drop(0, /* right_now = */ true) >= 0); | |
1404 | ||
1405 | can_unshare = false; | |
4870133b | 1406 | run_tests(RUNTIME_SCOPE_USER, filters); |
4e032f65 YW |
1407 | _exit(EXIT_SUCCESS); |
1408 | } | |
1409 | } | |
1410 | ||
1411 | static int intro(void) { | |
1412 | #if HAS_FEATURE_ADDRESS_SANITIZER | |
1413 | if (strstr_ptr(ci_environment(), "travis") || strstr_ptr(ci_environment(), "github-actions")) | |
1414 | return log_tests_skipped("Running on Travis CI/GH Actions under ASan, see https://github.com/systemd/systemd/issues/10696"); | |
b7172f34 | 1415 | #endif |
4e032f65 YW |
1416 | /* It is needed otherwise cgroup creation fails */ |
1417 | if (geteuid() != 0 || have_effective_cap(CAP_SYS_ADMIN) <= 0) | |
1418 | return log_tests_skipped("not privileged"); | |
1419 | ||
1420 | if (enter_cgroup_subroot(NULL) == -ENOMEDIUM) | |
1421 | return log_tests_skipped("cgroupfs not available"); | |
1422 | ||
1423 | if (path_is_read_only_fs("/sys") > 0) | |
1424 | return log_tests_skipped("/sys is mounted read-only"); | |
1425 | ||
1426 | /* Create dummy network interface for testing PrivateNetwork=yes */ | |
1427 | (void) system("ip link add dummy-test-exec type dummy"); | |
1428 | ||
600ed5c2 YW |
1429 | /* Create a network namespace and a dummy interface in it for NetworkNamespacePath= */ |
1430 | (void) system("ip netns add test-execute-netns"); | |
1431 | (void) system("ip netns exec test-execute-netns ip link add dummy-test-ns type dummy"); | |
1432 | ||
4e032f65 | 1433 | return EXIT_SUCCESS; |
281e05b6 | 1434 | } |
4e032f65 YW |
1435 | |
1436 | static int outro(void) { | |
1437 | (void) system("ip link del dummy-test-exec"); | |
600ed5c2 | 1438 | (void) system("ip netns del test-execute-netns"); |
4e032f65 YW |
1439 | (void) rmdir(PRIVATE_UNIT_DIR); |
1440 | ||
1441 | return EXIT_SUCCESS; | |
1442 | } | |
1443 | ||
1444 | DEFINE_TEST_MAIN_FULL(LOG_DEBUG, intro, outro); |