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281e05b6 RC |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2014 Ronny Chevalier | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
cc7fa4fb RC |
20 | #include <grp.h> |
21 | #include <pwd.h> | |
ff4ca461 | 22 | #include <stdio.h> |
70d7aea5 | 23 | #include <sys/prctl.h> |
ff4ca461 | 24 | #include <sys/types.h> |
281e05b6 | 25 | |
03bd70dd | 26 | #include "fileio.h" |
f4f15635 | 27 | #include "fs-util.h" |
281e05b6 | 28 | #include "macro.h" |
f4f15635 | 29 | #include "manager.h" |
281e05b6 | 30 | #include "mkdir.h" |
ff4ca461 | 31 | #include "path-util.h" |
c6878637 | 32 | #include "rm-rf.h" |
83f12b27 FS |
33 | #ifdef HAVE_SECCOMP |
34 | #include "seccomp-util.h" | |
35 | #endif | |
8b3aa503 | 36 | #include "test-helper.h" |
f4f15635 LP |
37 | #include "unit.h" |
38 | #include "util.h" | |
4dd4cb8f | 39 | #include "virt.h" |
281e05b6 RC |
40 | |
41 | typedef void (*test_function_t)(Manager *m); | |
42 | ||
43 | static void check(Manager *m, Unit *unit, int status_expected, int code_expected) { | |
44 | Service *service = NULL; | |
45 | usec_t ts; | |
46 | usec_t timeout = 2 * USEC_PER_SEC; | |
47 | ||
48 | assert_se(m); | |
49 | assert_se(unit); | |
50 | ||
51 | service = SERVICE(unit); | |
52 | printf("%s\n", unit->id); | |
53 | exec_context_dump(&service->exec_context, stdout, "\t"); | |
54 | ts = now(CLOCK_MONOTONIC); | |
55 | while (service->state != SERVICE_DEAD && service->state != SERVICE_FAILED) { | |
56 | int r; | |
57 | usec_t n; | |
58 | ||
59 | r = sd_event_run(m->event, 100 * USEC_PER_MSEC); | |
60 | assert_se(r >= 0); | |
61 | ||
62 | n = now(CLOCK_MONOTONIC); | |
63 | if (ts + timeout < n) { | |
64 | log_error("Test timeout when testing %s", unit->id); | |
65 | exit(EXIT_FAILURE); | |
66 | } | |
67 | } | |
68 | exec_status_dump(&service->main_exec_status, stdout, "\t"); | |
69 | assert_se(service->main_exec_status.status == status_expected); | |
70 | assert_se(service->main_exec_status.code == code_expected); | |
71 | } | |
72 | ||
73 | static void test(Manager *m, const char *unit_name, int status_expected, int code_expected) { | |
74 | Unit *unit; | |
75 | ||
76 | assert_se(unit_name); | |
77 | ||
78 | assert_se(manager_load_unit(m, unit_name, NULL, NULL, &unit) >= 0); | |
79 | assert_se(UNIT_VTABLE(unit)->start(unit) >= 0); | |
80 | check(m, unit, status_expected, code_expected); | |
81 | } | |
82 | ||
83 | static void test_exec_workingdirectory(Manager *m) { | |
84 | assert_se(mkdir_p("/tmp/test-exec_workingdirectory", 0755) >= 0); | |
85 | ||
86 | test(m, "exec-workingdirectory.service", 0, CLD_EXITED); | |
87 | ||
c6878637 | 88 | (void) rm_rf("/tmp/test-exec_workingdirectory", REMOVE_ROOT|REMOVE_PHYSICAL); |
281e05b6 RC |
89 | } |
90 | ||
91 | static void test_exec_personality(Manager *m) { | |
281e05b6 RC |
92 | #if defined(__x86_64__) |
93 | test(m, "exec-personality-x86-64.service", 0, CLD_EXITED); | |
7517f51e HB |
94 | |
95 | #elif defined(__s390__) | |
96 | test(m, "exec-personality-s390.service", 0, CLD_EXITED); | |
97 | ||
12591863 JS |
98 | #elif defined(__powerpc64__) |
99 | # if __BYTE_ORDER == __BIG_ENDIAN | |
100 | test(m, "exec-personality-ppc64.service", 0, CLD_EXITED); | |
101 | # else | |
102 | test(m, "exec-personality-ppc64le.service", 0, CLD_EXITED); | |
103 | # endif | |
104 | ||
105 | #elif defined(__aarch64__) | |
106 | test(m, "exec-personality-aarch64.service", 0, CLD_EXITED); | |
107 | ||
5798eb4c | 108 | #elif defined(__i386__) |
7517f51e | 109 | test(m, "exec-personality-x86.service", 0, CLD_EXITED); |
281e05b6 RC |
110 | #endif |
111 | } | |
112 | ||
113 | static void test_exec_ignoresigpipe(Manager *m) { | |
114 | test(m, "exec-ignoresigpipe-yes.service", 0, CLD_EXITED); | |
115 | test(m, "exec-ignoresigpipe-no.service", SIGPIPE, CLD_KILLED); | |
116 | } | |
117 | ||
118 | static void test_exec_privatetmp(Manager *m) { | |
119 | assert_se(touch("/tmp/test-exec_privatetmp") >= 0); | |
120 | ||
121 | test(m, "exec-privatetmp-yes.service", 0, CLD_EXITED); | |
122 | test(m, "exec-privatetmp-no.service", 0, CLD_EXITED); | |
123 | ||
124 | unlink("/tmp/test-exec_privatetmp"); | |
125 | } | |
126 | ||
127 | static void test_exec_privatedevices(Manager *m) { | |
4dd4cb8f SM |
128 | if (detect_container() > 0) { |
129 | log_notice("testing in container, skipping private device tests"); | |
130 | return; | |
131 | } | |
281e05b6 RC |
132 | test(m, "exec-privatedevices-yes.service", 0, CLD_EXITED); |
133 | test(m, "exec-privatedevices-no.service", 0, CLD_EXITED); | |
134 | } | |
135 | ||
615a1f4b DH |
136 | static void test_exec_privatedevices_capabilities(Manager *m) { |
137 | if (detect_container() > 0) { | |
138 | log_notice("testing in container, skipping private device tests"); | |
139 | return; | |
140 | } | |
141 | test(m, "exec-privatedevices-yes-capability-mknod.service", 0, CLD_EXITED); | |
142 | test(m, "exec-privatedevices-no-capability-mknod.service", 0, CLD_EXITED); | |
625d8769 DH |
143 | test(m, "exec-privatedevices-yes-capability-sys-rawio.service", 0, CLD_EXITED); |
144 | test(m, "exec-privatedevices-no-capability-sys-rawio.service", 0, CLD_EXITED); | |
615a1f4b DH |
145 | } |
146 | ||
4982dbcc | 147 | static void test_exec_protectkernelmodules(Manager *m) { |
3ae33295 DH |
148 | if (detect_container() > 0) { |
149 | log_notice("testing in container, skipping protectkernelmodules tests"); | |
150 | return; | |
151 | } | |
152 | ||
153 | test(m, "exec-protectkernelmodules-no-capabilities.service", 0, CLD_EXITED); | |
154 | test(m, "exec-protectkernelmodules-yes-capabilities.service", 0, CLD_EXITED); | |
4982dbcc | 155 | test(m, "exec-protectkernelmodules-yes-mount-propagation.service", 0, CLD_EXITED); |
3ae33295 DH |
156 | } |
157 | ||
f78b36f0 DH |
158 | static void test_exec_readonlypaths(Manager *m) { |
159 | test(m, "exec-readonlypaths.service", 0, CLD_EXITED); | |
cdfbd1fb DH |
160 | test(m, "exec-readonlypaths-mount-propagation.service", 0, CLD_EXITED); |
161 | } | |
162 | ||
163 | static void test_exec_readwritepaths(Manager *m) { | |
164 | test(m, "exec-readwritepaths-mount-propagation.service", 0, CLD_EXITED); | |
165 | } | |
166 | ||
167 | static void test_exec_inaccessiblepaths(Manager *m) { | |
168 | test(m, "exec-inaccessiblepaths-mount-propagation.service", 0, CLD_EXITED); | |
f78b36f0 DH |
169 | } |
170 | ||
281e05b6 RC |
171 | static void test_exec_systemcallfilter(Manager *m) { |
172 | #ifdef HAVE_SECCOMP | |
83f12b27 FS |
173 | if (!is_seccomp_available()) |
174 | return; | |
281e05b6 RC |
175 | test(m, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED); |
176 | test(m, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED); | |
177 | test(m, "exec-systemcallfilter-failing.service", SIGSYS, CLD_KILLED); | |
178 | test(m, "exec-systemcallfilter-failing2.service", SIGSYS, CLD_KILLED); | |
83f12b27 | 179 | |
281e05b6 RC |
180 | #endif |
181 | } | |
182 | ||
183 | static void test_exec_systemcallerrornumber(Manager *m) { | |
184 | #ifdef HAVE_SECCOMP | |
83f12b27 FS |
185 | if (is_seccomp_available()) |
186 | test(m, "exec-systemcallerrornumber.service", 1, CLD_EXITED); | |
281e05b6 RC |
187 | #endif |
188 | } | |
189 | ||
19c0b0b9 RC |
190 | static void test_exec_systemcall_system_mode_with_user(Manager *m) { |
191 | #ifdef HAVE_SECCOMP | |
83f12b27 FS |
192 | if (!is_seccomp_available()) |
193 | return; | |
19c0b0b9 RC |
194 | if (getpwnam("nobody")) |
195 | test(m, "exec-systemcallfilter-system-user.service", 0, CLD_EXITED); | |
50f130c2 RC |
196 | else if (getpwnam("nfsnobody")) |
197 | test(m, "exec-systemcallfilter-system-user-nfsnobody.service", 0, CLD_EXITED); | |
19c0b0b9 | 198 | else |
50f130c2 | 199 | log_error_errno(errno, "Skipping test_exec_systemcall_system_mode_with_user, could not find nobody/nfsnobody user: %m"); |
19c0b0b9 RC |
200 | #endif |
201 | } | |
202 | ||
281e05b6 | 203 | static void test_exec_user(Manager *m) { |
cc7fa4fb RC |
204 | if (getpwnam("nobody")) |
205 | test(m, "exec-user.service", 0, CLD_EXITED); | |
50f130c2 RC |
206 | else if (getpwnam("nfsnobody")) |
207 | test(m, "exec-user-nfsnobody.service", 0, CLD_EXITED); | |
ff4ca461 | 208 | else |
50f130c2 | 209 | log_error_errno(errno, "Skipping test_exec_user, could not find nobody/nfsnobody user: %m"); |
281e05b6 RC |
210 | } |
211 | ||
212 | static void test_exec_group(Manager *m) { | |
cc7fa4fb RC |
213 | if (getgrnam("nobody")) |
214 | test(m, "exec-group.service", 0, CLD_EXITED); | |
50f130c2 RC |
215 | else if (getgrnam("nfsnobody")) |
216 | test(m, "exec-group-nfsnobody.service", 0, CLD_EXITED); | |
ff4ca461 | 217 | else |
50f130c2 | 218 | log_error_errno(errno, "Skipping test_exec_group, could not find nobody/nfsnobody group: %m"); |
281e05b6 RC |
219 | } |
220 | ||
221 | static void test_exec_environment(Manager *m) { | |
222 | test(m, "exec-environment.service", 0, CLD_EXITED); | |
223 | test(m, "exec-environment-multiple.service", 0, CLD_EXITED); | |
224 | test(m, "exec-environment-empty.service", 0, CLD_EXITED); | |
225 | } | |
226 | ||
03bd70dd RC |
227 | static void test_exec_environmentfile(Manager *m) { |
228 | static const char e[] = | |
229 | "VAR1='word1 word2'\n" | |
230 | "VAR2=word3 \n" | |
231 | "# comment1\n" | |
232 | "\n" | |
233 | "; comment2\n" | |
234 | " ; # comment3\n" | |
235 | "line without an equal\n" | |
236 | "VAR3='$word 5 6'\n"; | |
237 | int r; | |
238 | ||
239 | r = write_string_file("/tmp/test-exec_environmentfile.conf", e, WRITE_STRING_FILE_CREATE); | |
240 | assert_se(r == 0); | |
241 | ||
242 | test(m, "exec-environmentfile.service", 0, CLD_EXITED); | |
243 | ||
244 | unlink("/tmp/test-exec_environmentfile.conf"); | |
245 | } | |
246 | ||
4c80d201 | 247 | static void test_exec_passenvironment(Manager *m) { |
e1abca2e FB |
248 | /* test-execute runs under MANAGER_USER which, by default, forwards all |
249 | * variables present in the environment, but only those that are | |
250 | * present _at the time it is created_! | |
251 | * | |
252 | * So these PassEnvironment checks are still expected to work, since we | |
253 | * are ensuring the variables are not present at manager creation (they | |
254 | * are unset explicitly in main) and are only set here. | |
255 | * | |
256 | * This is still a good approximation of how a test for MANAGER_SYSTEM | |
257 | * would work. | |
258 | */ | |
4c80d201 FB |
259 | assert_se(setenv("VAR1", "word1 word2", 1) == 0); |
260 | assert_se(setenv("VAR2", "word3", 1) == 0); | |
261 | assert_se(setenv("VAR3", "$word 5 6", 1) == 0); | |
262 | test(m, "exec-passenvironment.service", 0, CLD_EXITED); | |
263 | test(m, "exec-passenvironment-repeated.service", 0, CLD_EXITED); | |
264 | test(m, "exec-passenvironment-empty.service", 0, CLD_EXITED); | |
265 | assert_se(unsetenv("VAR1") == 0); | |
266 | assert_se(unsetenv("VAR2") == 0); | |
267 | assert_se(unsetenv("VAR3") == 0); | |
268 | test(m, "exec-passenvironment-absent.service", 0, CLD_EXITED); | |
269 | } | |
270 | ||
27c5347c RC |
271 | static void test_exec_umask(Manager *m) { |
272 | test(m, "exec-umask-default.service", 0, CLD_EXITED); | |
273 | test(m, "exec-umask-0177.service", 0, CLD_EXITED); | |
274 | } | |
275 | ||
cc3ddc85 RC |
276 | static void test_exec_runtimedirectory(Manager *m) { |
277 | test(m, "exec-runtimedirectory.service", 0, CLD_EXITED); | |
278 | test(m, "exec-runtimedirectory-mode.service", 0, CLD_EXITED); | |
cc7fa4fb RC |
279 | if (getgrnam("nobody")) |
280 | test(m, "exec-runtimedirectory-owner.service", 0, CLD_EXITED); | |
50f130c2 RC |
281 | else if (getgrnam("nfsnobody")) |
282 | test(m, "exec-runtimedirectory-owner-nfsnobody.service", 0, CLD_EXITED); | |
ff4ca461 | 283 | else |
50f130c2 | 284 | log_error_errno(errno, "Skipping test_exec_runtimedirectory-owner, could not find nobody/nfsnobody group: %m"); |
ff4ca461 RC |
285 | } |
286 | ||
287 | static void test_exec_capabilityboundingset(Manager *m) { | |
288 | int r; | |
289 | ||
290 | /* We use capsh to test if the capabilities are | |
291 | * properly set, so be sure that it exists */ | |
292 | r = find_binary("capsh", NULL); | |
293 | if (r < 0) { | |
294 | log_error_errno(r, "Skipping test_exec_capabilityboundingset, could not find capsh binary: %m"); | |
295 | return; | |
296 | } | |
297 | ||
298 | test(m, "exec-capabilityboundingset-simple.service", 0, CLD_EXITED); | |
299 | test(m, "exec-capabilityboundingset-reset.service", 0, CLD_EXITED); | |
300 | test(m, "exec-capabilityboundingset-merge.service", 0, CLD_EXITED); | |
301 | test(m, "exec-capabilityboundingset-invert.service", 0, CLD_EXITED); | |
cc3ddc85 RC |
302 | } |
303 | ||
70d7aea5 IP |
304 | static void test_exec_capabilityambientset(Manager *m) { |
305 | int r; | |
306 | ||
307 | /* Check if the kernel has support for ambient capabilities. Run | |
308 | * the tests only if that's the case. Clearing all ambient | |
309 | * capabilities is fine, since we are expecting them to be unset | |
310 | * in the first place for the tests. */ | |
311 | r = prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0); | |
312 | if (r >= 0 || errno != EINVAL) { | |
50f130c2 | 313 | if (getpwnam("nobody")) { |
50f130c2 RC |
314 | test(m, "exec-capabilityambientset.service", 0, CLD_EXITED); |
315 | test(m, "exec-capabilityambientset-merge.service", 0, CLD_EXITED); | |
34f5ff46 RC |
316 | } else if (getpwnam("nfsnobody")) { |
317 | test(m, "exec-capabilityambientset-nfsnobody.service", 0, CLD_EXITED); | |
318 | test(m, "exec-capabilityambientset-merge-nfsnobody.service", 0, CLD_EXITED); | |
50f130c2 RC |
319 | } else |
320 | log_error_errno(errno, "Skipping test_exec_capabilityambientset, could not find nobody/nfsnobody user: %m"); | |
321 | } else | |
322 | log_error_errno(errno, "Skipping test_exec_capabilityambientset, the kernel does not support ambient capabilities: %m"); | |
70d7aea5 IP |
323 | } |
324 | ||
63447f11 RC |
325 | static void test_exec_privatenetwork(Manager *m) { |
326 | int r; | |
327 | ||
328 | r = find_binary("ip", NULL); | |
329 | if (r < 0) { | |
330 | log_error_errno(r, "Skipping test_exec_privatenetwork, could not find ip binary: %m"); | |
331 | return; | |
332 | } | |
333 | ||
334 | test(m, "exec-privatenetwork-yes.service", 0, CLD_EXITED); | |
335 | } | |
336 | ||
c388dfea RC |
337 | static void test_exec_oomscoreadjust(Manager *m) { |
338 | test(m, "exec-oomscoreadjust-positive.service", 0, CLD_EXITED); | |
339 | test(m, "exec-oomscoreadjust-negative.service", 0, CLD_EXITED); | |
340 | } | |
341 | ||
a6226758 RC |
342 | static void test_exec_ioschedulingclass(Manager *m) { |
343 | test(m, "exec-ioschedulingclass-none.service", 0, CLD_EXITED); | |
344 | test(m, "exec-ioschedulingclass-idle.service", 0, CLD_EXITED); | |
345 | test(m, "exec-ioschedulingclass-realtime.service", 0, CLD_EXITED); | |
346 | test(m, "exec-ioschedulingclass-best-effort.service", 0, CLD_EXITED); | |
347 | } | |
348 | ||
25254999 EV |
349 | static void test_exec_spec_interpolation(Manager *m) { |
350 | test(m, "exec-spec-interpolation.service", 0, CLD_EXITED); | |
351 | } | |
352 | ||
463d0d15 | 353 | static int run_tests(UnitFileScope scope, test_function_t *tests) { |
19c0b0b9 RC |
354 | test_function_t *test = NULL; |
355 | Manager *m = NULL; | |
356 | int r; | |
357 | ||
358 | assert_se(tests); | |
359 | ||
463d0d15 | 360 | r = manager_new(scope, true, &m); |
19c0b0b9 | 361 | if (MANAGER_SKIP_TEST(r)) { |
2179fd10 | 362 | log_notice_errno(r, "Skipping test: manager_new: %m"); |
19c0b0b9 RC |
363 | return EXIT_TEST_SKIP; |
364 | } | |
365 | assert_se(r >= 0); | |
366 | assert_se(manager_startup(m, NULL, NULL) >= 0); | |
367 | ||
368 | for (test = tests; test && *test; test++) | |
369 | (*test)(m); | |
370 | ||
371 | manager_free(m); | |
372 | ||
373 | return 0; | |
374 | } | |
375 | ||
281e05b6 | 376 | int main(int argc, char *argv[]) { |
19c0b0b9 | 377 | test_function_t user_tests[] = { |
281e05b6 RC |
378 | test_exec_workingdirectory, |
379 | test_exec_personality, | |
380 | test_exec_ignoresigpipe, | |
381 | test_exec_privatetmp, | |
382 | test_exec_privatedevices, | |
615a1f4b | 383 | test_exec_privatedevices_capabilities, |
4982dbcc | 384 | test_exec_protectkernelmodules, |
f78b36f0 | 385 | test_exec_readonlypaths, |
cdfbd1fb DH |
386 | test_exec_readwritepaths, |
387 | test_exec_inaccessiblepaths, | |
63447f11 | 388 | test_exec_privatenetwork, |
281e05b6 RC |
389 | test_exec_systemcallfilter, |
390 | test_exec_systemcallerrornumber, | |
391 | test_exec_user, | |
392 | test_exec_group, | |
393 | test_exec_environment, | |
03bd70dd | 394 | test_exec_environmentfile, |
4c80d201 | 395 | test_exec_passenvironment, |
27c5347c | 396 | test_exec_umask, |
cc3ddc85 | 397 | test_exec_runtimedirectory, |
ff4ca461 | 398 | test_exec_capabilityboundingset, |
70d7aea5 | 399 | test_exec_capabilityambientset, |
c388dfea | 400 | test_exec_oomscoreadjust, |
a6226758 | 401 | test_exec_ioschedulingclass, |
25254999 | 402 | test_exec_spec_interpolation, |
281e05b6 RC |
403 | NULL, |
404 | }; | |
19c0b0b9 RC |
405 | test_function_t system_tests[] = { |
406 | test_exec_systemcall_system_mode_with_user, | |
407 | NULL, | |
408 | }; | |
281e05b6 RC |
409 | int r; |
410 | ||
411 | log_parse_environment(); | |
412 | log_open(); | |
413 | ||
607ff5f9 DH |
414 | /* It is needed otherwise cgroup creation fails */ |
415 | if (getuid() != 0) { | |
416 | printf("Skipping test: not root\n"); | |
417 | return EXIT_TEST_SKIP; | |
418 | } | |
419 | ||
cc3ddc85 | 420 | assert_se(setenv("XDG_RUNTIME_DIR", "/tmp/", 1) == 0); |
ac400816 | 421 | assert_se(set_unit_path(TEST_DIR "/test-execute/") >= 0); |
281e05b6 | 422 | |
e1abca2e FB |
423 | /* Unset VAR1, VAR2 and VAR3 which are used in the PassEnvironment test |
424 | * cases, otherwise (and if they are present in the environment), | |
425 | * `manager_default_environment` will copy them into the default | |
426 | * environment which is passed to each created job, which will make the | |
427 | * tests that expect those not to be present to fail. | |
428 | */ | |
429 | assert_se(unsetenv("VAR1") == 0); | |
430 | assert_se(unsetenv("VAR2") == 0); | |
431 | assert_se(unsetenv("VAR3") == 0); | |
432 | ||
463d0d15 | 433 | r = run_tests(UNIT_FILE_USER, user_tests); |
19c0b0b9 RC |
434 | if (r != 0) |
435 | return r; | |
281e05b6 | 436 | |
463d0d15 | 437 | return run_tests(UNIT_FILE_SYSTEM, system_tests); |
281e05b6 | 438 | } |