src/test/test-execute.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   This file is part of systemd.
   4
   5   Copyright 2014 Ronny Chevalier
   6 ***/
   7
   8 #include <grp.h>
   9 #include <pwd.h>
  10 #include <stdio.h>
  11 #include <sys/prctl.h>
  12 #include <sys/types.h>
  13
  14 #include "capability-util.h"
  15 #include "cpu-set-util.h"
  16 #include "errno-list.h"
  17 #include "fileio.h"
  18 #include "fs-util.h"
  19 #include "macro.h"
  20 #include "manager.h"
  21 #include "mkdir.h"
  22 #include "path-util.h"
  23 #include "rm-rf.h"
  24 #if HAVE_SECCOMP
  25 #include "seccomp-util.h"
  26 #endif
  27 #include "stat-util.h"
  28 #include "test-helper.h"
  29 #include "tests.h"
  30 #include "unit.h"
  31 #include "user-util.h"
  32 #include "util.h"
  33 #include "virt.h"
  34
  35 typedef void (*test_function_t)(Manager *m);
  36
  37 static void check(Manager *m, Unit *unit, int status_expected, int code_expected) {
  38         Service *service = NULL;
  39         usec_t ts;
  40         usec_t timeout = 2 * USEC_PER_MINUTE;
  41
  42         assert_se(m);
  43         assert_se(unit);
  44
  45         service = SERVICE(unit);
  46         printf("%s\n", unit->id);
  47         exec_context_dump(&service->exec_context, stdout, "\t");
  48         ts = now(CLOCK_MONOTONIC);
  49         while (!IN_SET(service->state, SERVICE_DEAD, SERVICE_FAILED)) {
  50                 int r;
  51                 usec_t n;
  52
  53                 r = sd_event_run(m->event, 100 * USEC_PER_MSEC);
  54                 assert_se(r >= 0);
  55
  56                 n = now(CLOCK_MONOTONIC);
  57                 if (ts + timeout < n) {
  58                         log_error("Test timeout when testing %s", unit->id);
  59                         exit(EXIT_FAILURE);
  60                 }
  61         }
  62         exec_status_dump(&service->main_exec_status, stdout, "\t");
  63         assert_se(service->main_exec_status.status == status_expected);
  64         assert_se(service->main_exec_status.code == code_expected);
  65 }
  66
  67 static bool check_nobody_user_and_group(void) {
  68         static int cache = -1;
  69         struct passwd *p;
  70         struct group *g;
  71
  72         if (cache >= 0)
  73                 return !!cache;
  74
  75         if (!synthesize_nobody())
  76                 goto invalid;
  77
  78         p = getpwnam(NOBODY_USER_NAME);
  79         if (!p ||
  80             !streq(p->pw_name, NOBODY_USER_NAME) ||
  81             p->pw_uid != UID_NOBODY ||
  82             p->pw_gid != GID_NOBODY)
  83                 goto invalid;
  84
  85         p = getpwuid(UID_NOBODY);
  86         if (!p ||
  87             !streq(p->pw_name, NOBODY_USER_NAME) ||
  88             p->pw_uid != UID_NOBODY ||
  89             p->pw_gid != GID_NOBODY)
  90                 goto invalid;
  91
  92         g = getgrnam(NOBODY_GROUP_NAME);
  93         if (!g ||
  94             !streq(g->gr_name, NOBODY_GROUP_NAME) ||
  95             g->gr_gid != GID_NOBODY)
  96                 goto invalid;
  97
  98         g = getgrgid(GID_NOBODY);
  99         if (!g ||
 100             !streq(g->gr_name, NOBODY_GROUP_NAME) ||
 101             g->gr_gid != GID_NOBODY)
 102                 goto invalid;
 103
 104         cache = 1;
 105         return true;
 106
 107 invalid:
 108         cache = 0;
 109         return false;
 110 }
 111
 112 static bool is_inaccessible_available(void) {
 113         char *p;
 114
 115         FOREACH_STRING(p,
 116                 "/run/systemd/inaccessible/reg",
 117                 "/run/systemd/inaccessible/dir",
 118                 "/run/systemd/inaccessible/chr",
 119                 "/run/systemd/inaccessible/blk",
 120                 "/run/systemd/inaccessible/fifo",
 121                 "/run/systemd/inaccessible/sock"
 122         ) {
 123                 if (access(p, F_OK) < 0)
 124                         return false;
 125         }
 126
 127         return true;
 128 }
 129
 130 static void test(Manager *m, const char *unit_name, int status_expected, int code_expected) {
 131         Unit *unit;
 132
 133         assert_se(unit_name);
 134
 135         assert_se(manager_load_unit(m, unit_name, NULL, NULL, &unit) >= 0);
 136         assert_se(UNIT_VTABLE(unit)->start(unit) >= 0);
 137         check(m, unit, status_expected, code_expected);
 138 }
 139
 140 static void test_exec_bindpaths(Manager *m) {
 141         assert_se(mkdir_p("/tmp/test-exec-bindpaths", 0755) >= 0);
 142         assert_se(mkdir_p("/tmp/test-exec-bindreadonlypaths", 0755) >= 0);
 143
 144         test(m, "exec-bindpaths.service", 0, CLD_EXITED);
 145
 146         (void) rm_rf("/tmp/test-exec-bindpaths", REMOVE_ROOT|REMOVE_PHYSICAL);
 147         (void) rm_rf("/tmp/test-exec-bindreadonlypaths", REMOVE_ROOT|REMOVE_PHYSICAL);
 148 }
 149
 150 static void test_exec_cpuaffinity(Manager *m) {
 151         _cleanup_cpu_free_ cpu_set_t *c = NULL;
 152         unsigned n;
 153
 154         assert_se(c = cpu_set_malloc(&n));
 155         assert_se(sched_getaffinity(0, CPU_ALLOC_SIZE(n), c) >= 0);
 156
 157         if (CPU_ISSET_S(0, CPU_ALLOC_SIZE(n), c) == 0) {
 158                 log_notice("Cannot use CPU 0, skipping %s", __func__);
 159                 return;
 160         }
 161
 162         test(m, "exec-cpuaffinity1.service", 0, CLD_EXITED);
 163         test(m, "exec-cpuaffinity2.service", 0, CLD_EXITED);
 164
 165         if (CPU_ISSET_S(1, CPU_ALLOC_SIZE(n), c) == 0 ||
 166             CPU_ISSET_S(2, CPU_ALLOC_SIZE(n), c) == 0) {
 167                 log_notice("Cannot use CPU 1 or 2, skipping remaining tests in %s", __func__);
 168                 return;
 169         }
 170
 171         test(m, "exec-cpuaffinity3.service", 0, CLD_EXITED);
 172 }
 173
 174 static void test_exec_workingdirectory(Manager *m) {
 175         assert_se(mkdir_p("/tmp/test-exec_workingdirectory", 0755) >= 0);
 176
 177         test(m, "exec-workingdirectory.service", 0, CLD_EXITED);
 178
 179         (void) rm_rf("/tmp/test-exec_workingdirectory", REMOVE_ROOT|REMOVE_PHYSICAL);
 180 }
 181
 182 static void test_exec_personality(Manager *m) {
 183 #if defined(__x86_64__)
 184         test(m, "exec-personality-x86-64.service", 0, CLD_EXITED);
 185
 186 #elif defined(__s390__)
 187         test(m, "exec-personality-s390.service", 0, CLD_EXITED);
 188
 189 #elif defined(__powerpc64__)
 190 #  if __BYTE_ORDER == __BIG_ENDIAN
 191         test(m, "exec-personality-ppc64.service", 0, CLD_EXITED);
 192 #  else
 193         test(m, "exec-personality-ppc64le.service", 0, CLD_EXITED);
 194 #  endif
 195
 196 #elif defined(__aarch64__)
 197         test(m, "exec-personality-aarch64.service", 0, CLD_EXITED);
 198
 199 #elif defined(__i386__)
 200         test(m, "exec-personality-x86.service", 0, CLD_EXITED);
 201 #else
 202         log_notice("Unknown personality, skipping %s", __func__);
 203 #endif
 204 }
 205
 206 static void test_exec_ignoresigpipe(Manager *m) {
 207         test(m, "exec-ignoresigpipe-yes.service", 0, CLD_EXITED);
 208         test(m, "exec-ignoresigpipe-no.service", SIGPIPE, CLD_KILLED);
 209 }
 210
 211 static void test_exec_privatetmp(Manager *m) {
 212         assert_se(touch("/tmp/test-exec_privatetmp") >= 0);
 213
 214         test(m, "exec-privatetmp-yes.service", 0, CLD_EXITED);
 215         test(m, "exec-privatetmp-no.service", 0, CLD_EXITED);
 216
 217         unlink("/tmp/test-exec_privatetmp");
 218 }
 219
 220 static void test_exec_privatedevices(Manager *m) {
 221         int r;
 222
 223         if (detect_container() > 0) {
 224                 log_notice("Testing in container, skipping %s", __func__);
 225                 return;
 226         }
 227         if (!is_inaccessible_available()) {
 228                 log_notice("Testing without inaccessible, skipping %s", __func__);
 229                 return;
 230         }
 231
 232         test(m, "exec-privatedevices-yes.service", 0, CLD_EXITED);
 233         test(m, "exec-privatedevices-no.service", 0, CLD_EXITED);
 234
 235         /* We use capsh to test if the capabilities are
 236          * properly set, so be sure that it exists */
 237         r = find_binary("capsh", NULL);
 238         if (r < 0) {
 239                 log_notice_errno(r, "Could not find capsh binary, skipping remaining tests in %s: %m", __func__);
 240                 return;
 241         }
 242
 243         test(m, "exec-privatedevices-yes-capability-mknod.service", 0, CLD_EXITED);
 244         test(m, "exec-privatedevices-no-capability-mknod.service", 0, CLD_EXITED);
 245         test(m, "exec-privatedevices-yes-capability-sys-rawio.service", 0, CLD_EXITED);
 246         test(m, "exec-privatedevices-no-capability-sys-rawio.service", 0, CLD_EXITED);
 247 }
 248
 249 static void test_exec_protectkernelmodules(Manager *m) {
 250         int r;
 251
 252         if (detect_container() > 0) {
 253                 log_notice("Testing in container, skipping %s", __func__);
 254                 return;
 255         }
 256         if (!is_inaccessible_available()) {
 257                 log_notice("Testing without inaccessible, skipping %s", __func__);
 258                 return;
 259         }
 260
 261         r = find_binary("capsh", NULL);
 262         if (r < 0) {
 263                 log_notice_errno(r, "Skipping %s, could not find capsh binary: %m", __func__);
 264                 return;
 265         }
 266
 267         test(m, "exec-protectkernelmodules-no-capabilities.service", 0, CLD_EXITED);
 268         test(m, "exec-protectkernelmodules-yes-capabilities.service", 0, CLD_EXITED);
 269         test(m, "exec-protectkernelmodules-yes-mount-propagation.service", 0, CLD_EXITED);
 270 }
 271
 272 static void test_exec_readonlypaths(Manager *m) {
 273
 274         test(m, "exec-readonlypaths-simple.service", 0, CLD_EXITED);
 275
 276         if (path_is_read_only_fs("/var") > 0) {
 277                 log_notice("Directory /var is readonly, skipping remaining tests in %s", __func__);
 278                 return;
 279         }
 280
 281         test(m, "exec-readonlypaths.service", 0, CLD_EXITED);
 282         test(m, "exec-readonlypaths-mount-propagation.service", 0, CLD_EXITED);
 283         test(m, "exec-readonlypaths-with-bindpaths.service", 0, CLD_EXITED);
 284 }
 285
 286 static void test_exec_readwritepaths(Manager *m) {
 287
 288         if (path_is_read_only_fs("/") > 0) {
 289                 log_notice("Root directory is readonly, skipping %s", __func__);
 290                 return;
 291         }
 292
 293         test(m, "exec-readwritepaths-mount-propagation.service", 0, CLD_EXITED);
 294 }
 295
 296 static void test_exec_inaccessiblepaths(Manager *m) {
 297
 298         if (!is_inaccessible_available()) {
 299                 log_notice("Testing without inaccessible, skipping %s", __func__);
 300                 return;
 301         }
 302
 303         test(m, "exec-inaccessiblepaths-proc.service", 0, CLD_EXITED);
 304
 305         if (path_is_read_only_fs("/") > 0) {
 306                 log_notice("Root directory is readonly, skipping remaining tests in %s", __func__);
 307                 return;
 308         }
 309
 310         test(m, "exec-inaccessiblepaths-mount-propagation.service", 0, CLD_EXITED);
 311 }
 312
 313 static void test_exec_temporaryfilesystem(Manager *m) {
 314
 315         test(m, "exec-temporaryfilesystem-options.service", 0, CLD_EXITED);
 316         test(m, "exec-temporaryfilesystem-ro.service", 0, CLD_EXITED);
 317         test(m, "exec-temporaryfilesystem-rw.service", 0, CLD_EXITED);
 318         test(m, "exec-temporaryfilesystem-usr.service", 0, CLD_EXITED);
 319 }
 320
 321 static void test_exec_systemcallfilter(Manager *m) {
 322 #if HAVE_SECCOMP
 323         if (!is_seccomp_available()) {
 324                 log_notice("Seccomp not available, skipping %s", __func__);
 325                 return;
 326         }
 327
 328         test(m, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED);
 329         test(m, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED);
 330         test(m, "exec-systemcallfilter-failing.service", SIGSYS, CLD_KILLED);
 331         test(m, "exec-systemcallfilter-failing2.service", SIGSYS, CLD_KILLED);
 332         test(m, "exec-systemcallfilter-with-errno-name.service", errno_from_name("EILSEQ"), CLD_EXITED);
 333         test(m, "exec-systemcallfilter-with-errno-number.service", 255, CLD_EXITED);
 334 #endif
 335 }
 336
 337 static void test_exec_systemcallerrornumber(Manager *m) {
 338 #if HAVE_SECCOMP
 339         if (!is_seccomp_available()) {
 340                 log_notice("Seccomp not available, skipping %s", __func__);
 341                 return;
 342         }
 343
 344         test(m, "exec-systemcallerrornumber-name.service", errno_from_name("EACCES"), CLD_EXITED);
 345         test(m, "exec-systemcallerrornumber-number.service", 255, CLD_EXITED);
 346 #endif
 347 }
 348
 349 static void test_exec_restrictnamespaces(Manager *m) {
 350 #if HAVE_SECCOMP
 351         if (!is_seccomp_available()) {
 352                 log_notice("Seccomp not available, skipping %s", __func__);
 353                 return;
 354         }
 355
 356         test(m, "exec-restrictnamespaces-no.service", 0, CLD_EXITED);
 357         test(m, "exec-restrictnamespaces-yes.service", 1, CLD_EXITED);
 358         test(m, "exec-restrictnamespaces-mnt.service", 0, CLD_EXITED);
 359         test(m, "exec-restrictnamespaces-mnt-blacklist.service", 1, CLD_EXITED);
 360 #endif
 361 }
 362
 363 static void test_exec_systemcallfilter_system(Manager *m) {
 364 #if HAVE_SECCOMP
 365         if (!is_seccomp_available()) {
 366                 log_notice("Seccomp not available, skipping %s", __func__);
 367                 return;
 368         }
 369
 370         test(m, "exec-systemcallfilter-system-user.service", 0, CLD_EXITED);
 371
 372         if (!check_nobody_user_and_group()) {
 373                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 374                 return;
 375         }
 376
 377         if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) {
 378                 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__);
 379                 return;
 380         }
 381
 382         test(m, "exec-systemcallfilter-system-user-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 383 #endif
 384 }
 385
 386 static void test_exec_user(Manager *m) {
 387         test(m, "exec-user.service", 0, CLD_EXITED);
 388
 389         if (!check_nobody_user_and_group()) {
 390                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 391                 return;
 392         }
 393
 394         if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) {
 395                 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__);
 396                 return;
 397         }
 398
 399         test(m, "exec-user-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 400 }
 401
 402 static void test_exec_group(Manager *m) {
 403         test(m, "exec-group.service", 0, CLD_EXITED);
 404
 405         if (!check_nobody_user_and_group()) {
 406                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 407                 return;
 408         }
 409
 410         if (!STR_IN_SET(NOBODY_GROUP_NAME, "nobody", "nfsnobody", "nogroup")) {
 411                 log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME, __func__);
 412                 return;
 413         }
 414
 415         test(m, "exec-group-" NOBODY_GROUP_NAME ".service", 0, CLD_EXITED);
 416 }
 417
 418 static void test_exec_supplementarygroups(Manager *m) {
 419         test(m, "exec-supplementarygroups.service", 0, CLD_EXITED);
 420         test(m, "exec-supplementarygroups-single-group.service", 0, CLD_EXITED);
 421         test(m, "exec-supplementarygroups-single-group-user.service", 0, CLD_EXITED);
 422         test(m, "exec-supplementarygroups-multiple-groups-default-group-user.service", 0, CLD_EXITED);
 423         test(m, "exec-supplementarygroups-multiple-groups-withgid.service", 0, CLD_EXITED);
 424         test(m, "exec-supplementarygroups-multiple-groups-withuid.service", 0, CLD_EXITED);
 425 }
 426
 427 static void test_exec_dynamicuser(Manager *m) {
 428         test(m, "exec-dynamicuser-fixeduser.service", 0, CLD_EXITED);
 429         test(m, "exec-dynamicuser-fixeduser-one-supplementarygroup.service", 0, CLD_EXITED);
 430         test(m, "exec-dynamicuser-supplementarygroups.service", 0, CLD_EXITED);
 431         test(m, "exec-dynamicuser-statedir.service", 0, CLD_EXITED);
 432
 433         test(m, "exec-dynamicuser-statedir-migrate-step1.service", 0, CLD_EXITED);
 434         test(m, "exec-dynamicuser-statedir-migrate-step2.service", 0, CLD_EXITED);
 435         (void) rm_rf("/var/lib/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL);
 436         (void) rm_rf("/var/lib/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL);
 437         (void) rm_rf("/var/lib/private/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL);
 438         (void) rm_rf("/var/lib/private/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL);
 439 }
 440
 441 static void test_exec_environment(Manager *m) {
 442         test(m, "exec-environment.service", 0, CLD_EXITED);
 443         test(m, "exec-environment-multiple.service", 0, CLD_EXITED);
 444         test(m, "exec-environment-empty.service", 0, CLD_EXITED);
 445 }
 446
 447 static void test_exec_environmentfile(Manager *m) {
 448         static const char e[] =
 449                 "VAR1='word1 word2'\n"
 450                 "VAR2=word3 \n"
 451                 "# comment1\n"
 452                 "\n"
 453                 "; comment2\n"
 454                 " ; # comment3\n"
 455                 "line without an equal\n"
 456                 "VAR3='$word 5 6'\n"
 457                 "VAR4='new\nline'\n";
 458         int r;
 459
 460         r = write_string_file("/tmp/test-exec_environmentfile.conf", e, WRITE_STRING_FILE_CREATE);
 461         assert_se(r == 0);
 462
 463         test(m, "exec-environmentfile.service", 0, CLD_EXITED);
 464
 465         (void) unlink("/tmp/test-exec_environmentfile.conf");
 466 }
 467
 468 static void test_exec_passenvironment(Manager *m) {
 469         /* test-execute runs under MANAGER_USER which, by default, forwards all
 470          * variables present in the environment, but only those that are
 471          * present _at the time it is created_!
 472          *
 473          * So these PassEnvironment checks are still expected to work, since we
 474          * are ensuring the variables are not present at manager creation (they
 475          * are unset explicitly in main) and are only set here.
 476          *
 477          * This is still a good approximation of how a test for MANAGER_SYSTEM
 478          * would work.
 479          */
 480         assert_se(setenv("VAR1", "word1 word2", 1) == 0);
 481         assert_se(setenv("VAR2", "word3", 1) == 0);
 482         assert_se(setenv("VAR3", "$word 5 6", 1) == 0);
 483         assert_se(setenv("VAR4", "new\nline", 1) == 0);
 484         test(m, "exec-passenvironment.service", 0, CLD_EXITED);
 485         test(m, "exec-passenvironment-repeated.service", 0, CLD_EXITED);
 486         test(m, "exec-passenvironment-empty.service", 0, CLD_EXITED);
 487         assert_se(unsetenv("VAR1") == 0);
 488         assert_se(unsetenv("VAR2") == 0);
 489         assert_se(unsetenv("VAR3") == 0);
 490         assert_se(unsetenv("VAR4") == 0);
 491         test(m, "exec-passenvironment-absent.service", 0, CLD_EXITED);
 492 }
 493
 494 static void test_exec_umask(Manager *m) {
 495         test(m, "exec-umask-default.service", 0, CLD_EXITED);
 496         test(m, "exec-umask-0177.service", 0, CLD_EXITED);
 497 }
 498
 499 static void test_exec_runtimedirectory(Manager *m) {
 500         test(m, "exec-runtimedirectory.service", 0, CLD_EXITED);
 501         test(m, "exec-runtimedirectory-mode.service", 0, CLD_EXITED);
 502         test(m, "exec-runtimedirectory-owner.service", 0, CLD_EXITED);
 503
 504         if (!check_nobody_user_and_group()) {
 505                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 506                 return;
 507         }
 508
 509         if (!STR_IN_SET(NOBODY_GROUP_NAME, "nobody", "nfsnobody", "nogroup")) {
 510                 log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME, __func__);
 511                 return;
 512         }
 513
 514         test(m, "exec-runtimedirectory-owner-" NOBODY_GROUP_NAME ".service", 0, CLD_EXITED);
 515 }
 516
 517 static void test_exec_capabilityboundingset(Manager *m) {
 518         int r;
 519
 520         r = find_binary("capsh", NULL);
 521         if (r < 0) {
 522                 log_notice_errno(r, "Skipping %s, could not find capsh binary: %m", __func__);
 523                 return;
 524         }
 525
 526         if (have_effective_cap(CAP_CHOWN) <= 0 ||
 527             have_effective_cap(CAP_FOWNER) <= 0 ||
 528             have_effective_cap(CAP_KILL) <= 0) {
 529                 log_notice("Skipping %s, this process does not have enough capabilities", __func__);
 530                 return;
 531         }
 532
 533         test(m, "exec-capabilityboundingset-simple.service", 0, CLD_EXITED);
 534         test(m, "exec-capabilityboundingset-reset.service", 0, CLD_EXITED);
 535         test(m, "exec-capabilityboundingset-merge.service", 0, CLD_EXITED);
 536         test(m, "exec-capabilityboundingset-invert.service", 0, CLD_EXITED);
 537 }
 538
 539 static void test_exec_ambientcapabilities(Manager *m) {
 540         int r;
 541
 542         /* Check if the kernel has support for ambient capabilities. Run
 543          * the tests only if that's the case. Clearing all ambient
 544          * capabilities is fine, since we are expecting them to be unset
 545          * in the first place for the tests. */
 546         r = prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0);
 547         if (r < 0 && IN_SET(errno, EINVAL, EOPNOTSUPP, ENOSYS)) {
 548                 log_notice("Skipping %s, the kernel does not support ambient capabilities", __func__);
 549                 return;
 550         }
 551
 552         if (have_effective_cap(CAP_CHOWN) <= 0 ||
 553             have_effective_cap(CAP_NET_RAW) <= 0) {
 554                 log_notice("Skipping %s, this process does not have enough capabilities", __func__);
 555                 return;
 556         }
 557
 558         test(m, "exec-ambientcapabilities.service", 0, CLD_EXITED);
 559         test(m, "exec-ambientcapabilities-merge.service", 0, CLD_EXITED);
 560
 561         if (!check_nobody_user_and_group()) {
 562                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 563                 return;
 564         }
 565
 566         if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) {
 567                 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__);
 568                 return;
 569         }
 570
 571         test(m, "exec-ambientcapabilities-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 572         test(m, "exec-ambientcapabilities-merge-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 573 }
 574
 575 static void test_exec_privatenetwork(Manager *m) {
 576         int r;
 577
 578         r = find_binary("ip", NULL);
 579         if (r < 0) {
 580                 log_notice_errno(r, "Skipping %s, could not find ip binary: %m", __func__);
 581                 return;
 582         }
 583
 584         test(m, "exec-privatenetwork-yes.service", 0, CLD_EXITED);
 585 }
 586
 587 static void test_exec_oomscoreadjust(Manager *m) {
 588         test(m, "exec-oomscoreadjust-positive.service", 0, CLD_EXITED);
 589         test(m, "exec-oomscoreadjust-negative.service", 0, CLD_EXITED);
 590 }
 591
 592 static void test_exec_ioschedulingclass(Manager *m) {
 593         test(m, "exec-ioschedulingclass-none.service", 0, CLD_EXITED);
 594         test(m, "exec-ioschedulingclass-idle.service", 0, CLD_EXITED);
 595         test(m, "exec-ioschedulingclass-realtime.service", 0, CLD_EXITED);
 596         test(m, "exec-ioschedulingclass-best-effort.service", 0, CLD_EXITED);
 597 }
 598
 599 static void test_exec_unsetenvironment(Manager *m) {
 600         test(m, "exec-unsetenvironment.service", 0, CLD_EXITED);
 601 }
 602
 603 static void test_exec_specifier(Manager *m) {
 604         test(m, "exec-specifier.service", 0, CLD_EXITED);
 605         test(m, "exec-specifier@foo-bar.service", 0, CLD_EXITED);
 606         test(m, "exec-specifier-interpolation.service", 0, CLD_EXITED);
 607 }
 608
 609 static void test_exec_standardinput(Manager *m) {
 610         test(m, "exec-standardinput-data.service", 0, CLD_EXITED);
 611         test(m, "exec-standardinput-file.service", 0, CLD_EXITED);
 612 }
 613
 614 static int run_tests(UnitFileScope scope, const test_function_t *tests) {
 615         const test_function_t *test = NULL;
 616         _cleanup_(manager_freep) Manager *m = NULL;
 617         int r;
 618
 619         assert_se(tests);
 620
 621         r = manager_new(scope, MANAGER_TEST_RUN_BASIC, &m);
 622         if (MANAGER_SKIP_TEST(r)) {
 623                 log_notice_errno(r, "Skipping test: manager_new: %m");
 624                 return EXIT_TEST_SKIP;
 625         }
 626         assert_se(r >= 0);
 627         assert_se(manager_startup(m, NULL, NULL) >= 0);
 628
 629         for (test = tests; test && *test; test++)
 630                 (*test)(m);
 631
 632         return 0;
 633 }
 634
 635 int main(int argc, char *argv[]) {
 636         _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
 637         static const test_function_t user_tests[] = {
 638                 test_exec_ambientcapabilities,
 639                 test_exec_bindpaths,
 640                 test_exec_capabilityboundingset,
 641                 test_exec_cpuaffinity,
 642                 test_exec_environment,
 643                 test_exec_environmentfile,
 644                 test_exec_group,
 645                 test_exec_ignoresigpipe,
 646                 test_exec_inaccessiblepaths,
 647                 test_exec_ioschedulingclass,
 648                 test_exec_oomscoreadjust,
 649                 test_exec_passenvironment,
 650                 test_exec_personality,
 651                 test_exec_privatedevices,
 652                 test_exec_privatenetwork,
 653                 test_exec_privatetmp,
 654                 test_exec_protectkernelmodules,
 655                 test_exec_readonlypaths,
 656                 test_exec_readwritepaths,
 657                 test_exec_restrictnamespaces,
 658                 test_exec_runtimedirectory,
 659                 test_exec_standardinput,
 660                 test_exec_supplementarygroups,
 661                 test_exec_systemcallerrornumber,
 662                 test_exec_systemcallfilter,
 663                 test_exec_temporaryfilesystem,
 664                 test_exec_umask,
 665                 test_exec_unsetenvironment,
 666                 test_exec_user,
 667                 test_exec_workingdirectory,
 668                 NULL,
 669         };
 670         static const test_function_t system_tests[] = {
 671                 test_exec_dynamicuser,
 672                 test_exec_specifier,
 673                 test_exec_systemcallfilter_system,
 674                 NULL,
 675         };
 676         int r;
 677
 678         log_set_max_level(LOG_DEBUG);
 679         log_parse_environment();
 680         log_open();
 681
 682         (void) unsetenv("USER");
 683         (void) unsetenv("LOGNAME");
 684
 685         /* It is needed otherwise cgroup creation fails */
 686         if (getuid() != 0) {
 687                 puts("Skipping test: not root");
 688                 return EXIT_TEST_SKIP;
 689         }
 690
 691         r = enter_cgroup_subroot();
 692         if (r == -ENOMEDIUM) {
 693                 puts("Skipping test: cgroupfs not available");
 694                 return EXIT_TEST_SKIP;
 695         }
 696
 697         assert_se(runtime_dir = setup_fake_runtime_dir());
 698         assert_se(set_unit_path(get_testdata_dir("/test-execute")) >= 0);
 699
 700         /* Unset VAR1, VAR2 and VAR3 which are used in the PassEnvironment test
 701          * cases, otherwise (and if they are present in the environment),
 702          * `manager_default_environment` will copy them into the default
 703          * environment which is passed to each created job, which will make the
 704          * tests that expect those not to be present to fail.
 705          */
 706         assert_se(unsetenv("VAR1") == 0);
 707         assert_se(unsetenv("VAR2") == 0);
 708         assert_se(unsetenv("VAR3") == 0);
 709
 710         r = run_tests(UNIT_FILE_USER, user_tests);
 711         if (r != 0)
 712                 return r;
 713
 714         return run_tests(UNIT_FILE_SYSTEM, system_tests);
 715 }