src/test/test-execute.c

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 /***
   3   Copyright © 2014 Ronny Chevalier
   4 ***/
   5
   6 #include <grp.h>
   7 #include <pwd.h>
   8 #include <stdio.h>
   9 #include <sys/prctl.h>
  10 #include <sys/types.h>
  11
  12 #include "capability-util.h"
  13 #include "cpu-set-util.h"
  14 #include "errno-list.h"
  15 #include "fileio.h"
  16 #include "fs-util.h"
  17 #include "macro.h"
  18 #include "manager.h"
  19 #include "mkdir.h"
  20 #include "path-util.h"
  21 #include "rm-rf.h"
  22 #if HAVE_SECCOMP
  23 #include "seccomp-util.h"
  24 #endif
  25 #include "service.h"
  26 #include "stat-util.h"
  27 #include "test-helper.h"
  28 #include "tests.h"
  29 #include "unit.h"
  30 #include "user-util.h"
  31 #include "util.h"
  32 #include "virt.h"
  33
  34 typedef void (*test_function_t)(Manager *m);
  35
  36 static void check(Manager *m, Unit *unit, int status_expected, int code_expected) {
  37         Service *service = NULL;
  38         usec_t ts;
  39         usec_t timeout = 2 * USEC_PER_MINUTE;
  40
  41         assert_se(m);
  42         assert_se(unit);
  43
  44         service = SERVICE(unit);
  45         printf("%s\n", unit->id);
  46         exec_context_dump(&service->exec_context, stdout, "\t");
  47         ts = now(CLOCK_MONOTONIC);
  48         while (!IN_SET(service->state, SERVICE_DEAD, SERVICE_FAILED)) {
  49                 int r;
  50                 usec_t n;
  51
  52                 r = sd_event_run(m->event, 100 * USEC_PER_MSEC);
  53                 assert_se(r >= 0);
  54
  55                 n = now(CLOCK_MONOTONIC);
  56                 if (ts + timeout < n) {
  57                         log_error("Test timeout when testing %s", unit->id);
  58                         exit(EXIT_FAILURE);
  59                 }
  60         }
  61         exec_status_dump(&service->main_exec_status, stdout, "\t");
  62         assert_se(service->main_exec_status.status == status_expected);
  63         assert_se(service->main_exec_status.code == code_expected);
  64 }
  65
  66 static bool check_nobody_user_and_group(void) {
  67         static int cache = -1;
  68         struct passwd *p;
  69         struct group *g;
  70
  71         if (cache >= 0)
  72                 return !!cache;
  73
  74         if (!synthesize_nobody())
  75                 goto invalid;
  76
  77         p = getpwnam(NOBODY_USER_NAME);
  78         if (!p ||
  79             !streq(p->pw_name, NOBODY_USER_NAME) ||
  80             p->pw_uid != UID_NOBODY ||
  81             p->pw_gid != GID_NOBODY)
  82                 goto invalid;
  83
  84         p = getpwuid(UID_NOBODY);
  85         if (!p ||
  86             !streq(p->pw_name, NOBODY_USER_NAME) ||
  87             p->pw_uid != UID_NOBODY ||
  88             p->pw_gid != GID_NOBODY)
  89                 goto invalid;
  90
  91         g = getgrnam(NOBODY_GROUP_NAME);
  92         if (!g ||
  93             !streq(g->gr_name, NOBODY_GROUP_NAME) ||
  94             g->gr_gid != GID_NOBODY)
  95                 goto invalid;
  96
  97         g = getgrgid(GID_NOBODY);
  98         if (!g ||
  99             !streq(g->gr_name, NOBODY_GROUP_NAME) ||
 100             g->gr_gid != GID_NOBODY)
 101                 goto invalid;
 102
 103         cache = 1;
 104         return true;
 105
 106 invalid:
 107         cache = 0;
 108         return false;
 109 }
 110
 111 static bool is_inaccessible_available(void) {
 112         char *p;
 113
 114         FOREACH_STRING(p,
 115                 "/run/systemd/inaccessible/reg",
 116                 "/run/systemd/inaccessible/dir",
 117                 "/run/systemd/inaccessible/chr",
 118                 "/run/systemd/inaccessible/blk",
 119                 "/run/systemd/inaccessible/fifo",
 120                 "/run/systemd/inaccessible/sock"
 121         ) {
 122                 if (access(p, F_OK) < 0)
 123                         return false;
 124         }
 125
 126         return true;
 127 }
 128
 129 static void test(Manager *m, const char *unit_name, int status_expected, int code_expected) {
 130         Unit *unit;
 131
 132         assert_se(unit_name);
 133
 134         assert_se(manager_load_startable_unit_or_warn(m, unit_name, NULL, &unit) >= 0);
 135         assert_se(UNIT_VTABLE(unit)->start(unit) >= 0);
 136         check(m, unit, status_expected, code_expected);
 137 }
 138
 139 static void test_exec_bindpaths(Manager *m) {
 140         assert_se(mkdir_p("/tmp/test-exec-bindpaths", 0755) >= 0);
 141         assert_se(mkdir_p("/tmp/test-exec-bindreadonlypaths", 0755) >= 0);
 142
 143         test(m, "exec-bindpaths.service", 0, CLD_EXITED);
 144
 145         (void) rm_rf("/tmp/test-exec-bindpaths", REMOVE_ROOT|REMOVE_PHYSICAL);
 146         (void) rm_rf("/tmp/test-exec-bindreadonlypaths", REMOVE_ROOT|REMOVE_PHYSICAL);
 147 }
 148
 149 static void test_exec_cpuaffinity(Manager *m) {
 150         _cleanup_cpu_free_ cpu_set_t *c = NULL;
 151         unsigned n;
 152
 153         assert_se(c = cpu_set_malloc(&n));
 154         assert_se(sched_getaffinity(0, CPU_ALLOC_SIZE(n), c) >= 0);
 155
 156         if (CPU_ISSET_S(0, CPU_ALLOC_SIZE(n), c) == 0) {
 157                 log_notice("Cannot use CPU 0, skipping %s", __func__);
 158                 return;
 159         }
 160
 161         test(m, "exec-cpuaffinity1.service", 0, CLD_EXITED);
 162         test(m, "exec-cpuaffinity2.service", 0, CLD_EXITED);
 163
 164         if (CPU_ISSET_S(1, CPU_ALLOC_SIZE(n), c) == 0 ||
 165             CPU_ISSET_S(2, CPU_ALLOC_SIZE(n), c) == 0) {
 166                 log_notice("Cannot use CPU 1 or 2, skipping remaining tests in %s", __func__);
 167                 return;
 168         }
 169
 170         test(m, "exec-cpuaffinity3.service", 0, CLD_EXITED);
 171 }
 172
 173 static void test_exec_workingdirectory(Manager *m) {
 174         assert_se(mkdir_p("/tmp/test-exec_workingdirectory", 0755) >= 0);
 175
 176         test(m, "exec-workingdirectory.service", 0, CLD_EXITED);
 177         test(m, "exec-workingdirectory-trailing-dot.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         test(m, "exec-privatedevices-disabled-by-prefix.service", 0, CLD_EXITED);
 235
 236         /* We use capsh to test if the capabilities are
 237          * properly set, so be sure that it exists */
 238         r = find_binary("capsh", NULL);
 239         if (r < 0) {
 240                 log_notice_errno(r, "Could not find capsh binary, skipping remaining tests in %s: %m", __func__);
 241                 return;
 242         }
 243
 244         test(m, "exec-privatedevices-yes-capability-mknod.service", 0, CLD_EXITED);
 245         test(m, "exec-privatedevices-no-capability-mknod.service", 0, CLD_EXITED);
 246         test(m, "exec-privatedevices-yes-capability-sys-rawio.service", 0, CLD_EXITED);
 247         test(m, "exec-privatedevices-no-capability-sys-rawio.service", 0, CLD_EXITED);
 248 }
 249
 250 static void test_exec_protectkernelmodules(Manager *m) {
 251         int r;
 252
 253         if (detect_container() > 0) {
 254                 log_notice("Testing in container, skipping %s", __func__);
 255                 return;
 256         }
 257         if (!is_inaccessible_available()) {
 258                 log_notice("Testing without inaccessible, skipping %s", __func__);
 259                 return;
 260         }
 261
 262         r = find_binary("capsh", NULL);
 263         if (r < 0) {
 264                 log_notice_errno(r, "Skipping %s, could not find capsh binary: %m", __func__);
 265                 return;
 266         }
 267
 268         test(m, "exec-protectkernelmodules-no-capabilities.service", 0, CLD_EXITED);
 269         test(m, "exec-protectkernelmodules-yes-capabilities.service", 0, CLD_EXITED);
 270         test(m, "exec-protectkernelmodules-yes-mount-propagation.service", 0, CLD_EXITED);
 271 }
 272
 273 static void test_exec_readonlypaths(Manager *m) {
 274
 275         test(m, "exec-readonlypaths-simple.service", 0, CLD_EXITED);
 276
 277         if (path_is_read_only_fs("/var") > 0) {
 278                 log_notice("Directory /var is readonly, skipping remaining tests in %s", __func__);
 279                 return;
 280         }
 281
 282         test(m, "exec-readonlypaths.service", 0, CLD_EXITED);
 283         test(m, "exec-readonlypaths-mount-propagation.service", 0, CLD_EXITED);
 284         test(m, "exec-readonlypaths-with-bindpaths.service", 0, CLD_EXITED);
 285 }
 286
 287 static void test_exec_readwritepaths(Manager *m) {
 288
 289         if (path_is_read_only_fs("/") > 0) {
 290                 log_notice("Root directory is readonly, skipping %s", __func__);
 291                 return;
 292         }
 293
 294         test(m, "exec-readwritepaths-mount-propagation.service", 0, CLD_EXITED);
 295 }
 296
 297 static void test_exec_inaccessiblepaths(Manager *m) {
 298
 299         if (!is_inaccessible_available()) {
 300                 log_notice("Testing without inaccessible, skipping %s", __func__);
 301                 return;
 302         }
 303
 304         test(m, "exec-inaccessiblepaths-proc.service", 0, CLD_EXITED);
 305
 306         if (path_is_read_only_fs("/") > 0) {
 307                 log_notice("Root directory is readonly, skipping remaining tests in %s", __func__);
 308                 return;
 309         }
 310
 311         test(m, "exec-inaccessiblepaths-mount-propagation.service", 0, CLD_EXITED);
 312 }
 313
 314 static void test_exec_temporaryfilesystem(Manager *m) {
 315
 316         test(m, "exec-temporaryfilesystem-options.service", 0, CLD_EXITED);
 317         test(m, "exec-temporaryfilesystem-ro.service", 0, CLD_EXITED);
 318         test(m, "exec-temporaryfilesystem-rw.service", 0, CLD_EXITED);
 319         test(m, "exec-temporaryfilesystem-usr.service", 0, CLD_EXITED);
 320 }
 321
 322 static void test_exec_systemcallfilter(Manager *m) {
 323 #if HAVE_SECCOMP
 324         if (!is_seccomp_available()) {
 325                 log_notice("Seccomp not available, skipping %s", __func__);
 326                 return;
 327         }
 328
 329         test(m, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED);
 330         test(m, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED);
 331         test(m, "exec-systemcallfilter-failing.service", SIGSYS, CLD_KILLED);
 332         test(m, "exec-systemcallfilter-failing2.service", SIGSYS, CLD_KILLED);
 333         test(m, "exec-systemcallfilter-with-errno-name.service", errno_from_name("EILSEQ"), CLD_EXITED);
 334         test(m, "exec-systemcallfilter-with-errno-number.service", 255, CLD_EXITED);
 335 #endif
 336 }
 337
 338 static void test_exec_systemcallerrornumber(Manager *m) {
 339 #if HAVE_SECCOMP
 340         if (!is_seccomp_available()) {
 341                 log_notice("Seccomp not available, skipping %s", __func__);
 342                 return;
 343         }
 344
 345         test(m, "exec-systemcallerrornumber-name.service", errno_from_name("EACCES"), CLD_EXITED);
 346         test(m, "exec-systemcallerrornumber-number.service", 255, CLD_EXITED);
 347 #endif
 348 }
 349
 350 static void test_exec_restrictnamespaces(Manager *m) {
 351 #if HAVE_SECCOMP
 352         if (!is_seccomp_available()) {
 353                 log_notice("Seccomp not available, skipping %s", __func__);
 354                 return;
 355         }
 356
 357         test(m, "exec-restrictnamespaces-no.service", 0, CLD_EXITED);
 358         test(m, "exec-restrictnamespaces-yes.service", 1, CLD_EXITED);
 359         test(m, "exec-restrictnamespaces-mnt.service", 0, CLD_EXITED);
 360         test(m, "exec-restrictnamespaces-mnt-blacklist.service", 1, CLD_EXITED);
 361         test(m, "exec-restrictnamespaces-merge-and.service", 0, CLD_EXITED);
 362         test(m, "exec-restrictnamespaces-merge-or.service", 0, CLD_EXITED);
 363         test(m, "exec-restrictnamespaces-merge-all.service", 0, CLD_EXITED);
 364 #endif
 365 }
 366
 367 static void test_exec_systemcallfilter_system(Manager *m) {
 368 #if HAVE_SECCOMP
 369         if (!is_seccomp_available()) {
 370                 log_notice("Seccomp not available, skipping %s", __func__);
 371                 return;
 372         }
 373
 374         test(m, "exec-systemcallfilter-system-user.service", 0, CLD_EXITED);
 375
 376         if (!check_nobody_user_and_group()) {
 377                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 378                 return;
 379         }
 380
 381         if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) {
 382                 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__);
 383                 return;
 384         }
 385
 386         test(m, "exec-systemcallfilter-system-user-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 387 #endif
 388 }
 389
 390 static void test_exec_user(Manager *m) {
 391         test(m, "exec-user.service", 0, CLD_EXITED);
 392
 393         if (!check_nobody_user_and_group()) {
 394                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 395                 return;
 396         }
 397
 398         if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) {
 399                 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__);
 400                 return;
 401         }
 402
 403         test(m, "exec-user-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 404 }
 405
 406 static void test_exec_group(Manager *m) {
 407         test(m, "exec-group.service", 0, CLD_EXITED);
 408
 409         if (!check_nobody_user_and_group()) {
 410                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 411                 return;
 412         }
 413
 414         if (!STR_IN_SET(NOBODY_GROUP_NAME, "nobody", "nfsnobody", "nogroup")) {
 415                 log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME, __func__);
 416                 return;
 417         }
 418
 419         test(m, "exec-group-" NOBODY_GROUP_NAME ".service", 0, CLD_EXITED);
 420 }
 421
 422 static void test_exec_supplementarygroups(Manager *m) {
 423         test(m, "exec-supplementarygroups.service", 0, CLD_EXITED);
 424         test(m, "exec-supplementarygroups-single-group.service", 0, CLD_EXITED);
 425         test(m, "exec-supplementarygroups-single-group-user.service", 0, CLD_EXITED);
 426         test(m, "exec-supplementarygroups-multiple-groups-default-group-user.service", 0, CLD_EXITED);
 427         test(m, "exec-supplementarygroups-multiple-groups-withgid.service", 0, CLD_EXITED);
 428         test(m, "exec-supplementarygroups-multiple-groups-withuid.service", 0, CLD_EXITED);
 429 }
 430
 431 static void test_exec_dynamicuser(Manager *m) {
 432         test(m, "exec-dynamicuser-fixeduser.service", 0, CLD_EXITED);
 433         test(m, "exec-dynamicuser-fixeduser-one-supplementarygroup.service", 0, CLD_EXITED);
 434         test(m, "exec-dynamicuser-supplementarygroups.service", 0, CLD_EXITED);
 435         test(m, "exec-dynamicuser-statedir.service", 0, CLD_EXITED);
 436
 437         (void) rm_rf("/var/lib/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL);
 438         (void) rm_rf("/var/lib/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL);
 439         (void) rm_rf("/var/lib/private/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL);
 440         (void) rm_rf("/var/lib/private/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL);
 441
 442         test(m, "exec-dynamicuser-statedir-migrate-step1.service", 0, CLD_EXITED);
 443         test(m, "exec-dynamicuser-statedir-migrate-step2.service", 0, CLD_EXITED);
 444
 445         (void) rm_rf("/var/lib/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL);
 446         (void) rm_rf("/var/lib/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL);
 447         (void) rm_rf("/var/lib/private/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL);
 448         (void) rm_rf("/var/lib/private/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL);
 449 }
 450
 451 static void test_exec_environment(Manager *m) {
 452         test(m, "exec-environment.service", 0, CLD_EXITED);
 453         test(m, "exec-environment-multiple.service", 0, CLD_EXITED);
 454         test(m, "exec-environment-empty.service", 0, CLD_EXITED);
 455 }
 456
 457 static void test_exec_environmentfile(Manager *m) {
 458         static const char e[] =
 459                 "VAR1='word1 word2'\n"
 460                 "VAR2=word3 \n"
 461                 "# comment1\n"
 462                 "\n"
 463                 "; comment2\n"
 464                 " ; # comment3\n"
 465                 "line without an equal\n"
 466                 "VAR3='$word 5 6'\n"
 467                 "VAR4='new\nline'\n"
 468                 "VAR5=password\\with\\backslashes";
 469         int r;
 470
 471         r = write_string_file("/tmp/test-exec_environmentfile.conf", e, WRITE_STRING_FILE_CREATE);
 472         assert_se(r == 0);
 473
 474         test(m, "exec-environmentfile.service", 0, CLD_EXITED);
 475
 476         (void) unlink("/tmp/test-exec_environmentfile.conf");
 477 }
 478
 479 static void test_exec_passenvironment(Manager *m) {
 480         /* test-execute runs under MANAGER_USER which, by default, forwards all
 481          * variables present in the environment, but only those that are
 482          * present _at the time it is created_!
 483          *
 484          * So these PassEnvironment checks are still expected to work, since we
 485          * are ensuring the variables are not present at manager creation (they
 486          * are unset explicitly in main) and are only set here.
 487          *
 488          * This is still a good approximation of how a test for MANAGER_SYSTEM
 489          * would work.
 490          */
 491         assert_se(setenv("VAR1", "word1 word2", 1) == 0);
 492         assert_se(setenv("VAR2", "word3", 1) == 0);
 493         assert_se(setenv("VAR3", "$word 5 6", 1) == 0);
 494         assert_se(setenv("VAR4", "new\nline", 1) == 0);
 495         assert_se(setenv("VAR5", "passwordwithbackslashes", 1) == 0);
 496         test(m, "exec-passenvironment.service", 0, CLD_EXITED);
 497         test(m, "exec-passenvironment-repeated.service", 0, CLD_EXITED);
 498         test(m, "exec-passenvironment-empty.service", 0, CLD_EXITED);
 499         assert_se(unsetenv("VAR1") == 0);
 500         assert_se(unsetenv("VAR2") == 0);
 501         assert_se(unsetenv("VAR3") == 0);
 502         assert_se(unsetenv("VAR4") == 0);
 503         assert_se(unsetenv("VAR5") == 0);
 504         test(m, "exec-passenvironment-absent.service", 0, CLD_EXITED);
 505 }
 506
 507 static void test_exec_umask(Manager *m) {
 508         test(m, "exec-umask-default.service", 0, CLD_EXITED);
 509         test(m, "exec-umask-0177.service", 0, CLD_EXITED);
 510 }
 511
 512 static void test_exec_runtimedirectory(Manager *m) {
 513         test(m, "exec-runtimedirectory.service", 0, CLD_EXITED);
 514         test(m, "exec-runtimedirectory-mode.service", 0, CLD_EXITED);
 515         test(m, "exec-runtimedirectory-owner.service", 0, CLD_EXITED);
 516
 517         if (!check_nobody_user_and_group()) {
 518                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 519                 return;
 520         }
 521
 522         if (!STR_IN_SET(NOBODY_GROUP_NAME, "nobody", "nfsnobody", "nogroup")) {
 523                 log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME, __func__);
 524                 return;
 525         }
 526
 527         test(m, "exec-runtimedirectory-owner-" NOBODY_GROUP_NAME ".service", 0, CLD_EXITED);
 528 }
 529
 530 static void test_exec_capabilityboundingset(Manager *m) {
 531         int r;
 532
 533         r = find_binary("capsh", NULL);
 534         if (r < 0) {
 535                 log_notice_errno(r, "Skipping %s, could not find capsh binary: %m", __func__);
 536                 return;
 537         }
 538
 539         if (have_effective_cap(CAP_CHOWN) <= 0 ||
 540             have_effective_cap(CAP_FOWNER) <= 0 ||
 541             have_effective_cap(CAP_KILL) <= 0) {
 542                 log_notice("Skipping %s, this process does not have enough capabilities", __func__);
 543                 return;
 544         }
 545
 546         test(m, "exec-capabilityboundingset-simple.service", 0, CLD_EXITED);
 547         test(m, "exec-capabilityboundingset-reset.service", 0, CLD_EXITED);
 548         test(m, "exec-capabilityboundingset-merge.service", 0, CLD_EXITED);
 549         test(m, "exec-capabilityboundingset-invert.service", 0, CLD_EXITED);
 550 }
 551
 552 static void test_exec_basic(Manager *m) {
 553         test(m, "exec-basic.service", 0, CLD_EXITED);
 554 }
 555
 556 static void test_exec_ambientcapabilities(Manager *m) {
 557         int r;
 558
 559         /* Check if the kernel has support for ambient capabilities. Run
 560          * the tests only if that's the case. Clearing all ambient
 561          * capabilities is fine, since we are expecting them to be unset
 562          * in the first place for the tests. */
 563         r = prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0);
 564         if (r < 0 && IN_SET(errno, EINVAL, EOPNOTSUPP, ENOSYS)) {
 565                 log_notice("Skipping %s, the kernel does not support ambient capabilities", __func__);
 566                 return;
 567         }
 568
 569         if (have_effective_cap(CAP_CHOWN) <= 0 ||
 570             have_effective_cap(CAP_NET_RAW) <= 0) {
 571                 log_notice("Skipping %s, this process does not have enough capabilities", __func__);
 572                 return;
 573         }
 574
 575         test(m, "exec-ambientcapabilities.service", 0, CLD_EXITED);
 576         test(m, "exec-ambientcapabilities-merge.service", 0, CLD_EXITED);
 577
 578         if (!check_nobody_user_and_group()) {
 579                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 580                 return;
 581         }
 582
 583         if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) {
 584                 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__);
 585                 return;
 586         }
 587
 588         test(m, "exec-ambientcapabilities-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 589         test(m, "exec-ambientcapabilities-merge-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 590 }
 591
 592 static void test_exec_privatenetwork(Manager *m) {
 593         int r;
 594
 595         r = find_binary("ip", NULL);
 596         if (r < 0) {
 597                 log_notice_errno(r, "Skipping %s, could not find ip binary: %m", __func__);
 598                 return;
 599         }
 600
 601         test(m, "exec-privatenetwork-yes.service", 0, CLD_EXITED);
 602 }
 603
 604 static void test_exec_oomscoreadjust(Manager *m) {
 605         test(m, "exec-oomscoreadjust-positive.service", 0, CLD_EXITED);
 606         test(m, "exec-oomscoreadjust-negative.service", 0, CLD_EXITED);
 607 }
 608
 609 static void test_exec_ioschedulingclass(Manager *m) {
 610         test(m, "exec-ioschedulingclass-none.service", 0, CLD_EXITED);
 611         test(m, "exec-ioschedulingclass-idle.service", 0, CLD_EXITED);
 612         test(m, "exec-ioschedulingclass-realtime.service", 0, CLD_EXITED);
 613         test(m, "exec-ioschedulingclass-best-effort.service", 0, CLD_EXITED);
 614 }
 615
 616 static void test_exec_unsetenvironment(Manager *m) {
 617         test(m, "exec-unsetenvironment.service", 0, CLD_EXITED);
 618 }
 619
 620 static void test_exec_specifier(Manager *m) {
 621         test(m, "exec-specifier.service", 0, CLD_EXITED);
 622         test(m, "exec-specifier@foo-bar.service", 0, CLD_EXITED);
 623         test(m, "exec-specifier-interpolation.service", 0, CLD_EXITED);
 624 }
 625
 626 static void test_exec_standardinput(Manager *m) {
 627         test(m, "exec-standardinput-data.service", 0, CLD_EXITED);
 628         test(m, "exec-standardinput-file.service", 0, CLD_EXITED);
 629 }
 630
 631 static int run_tests(UnitFileScope scope, const test_function_t *tests) {
 632         const test_function_t *test = NULL;
 633         _cleanup_(manager_freep) Manager *m = NULL;
 634         int r;
 635
 636         assert_se(tests);
 637
 638         r = manager_new(scope, MANAGER_TEST_RUN_BASIC, &m);
 639         if (MANAGER_SKIP_TEST(r)) {
 640                 log_notice_errno(r, "Skipping test: manager_new: %m");
 641                 return EXIT_TEST_SKIP;
 642         }
 643         assert_se(r >= 0);
 644         assert_se(manager_startup(m, NULL, NULL) >= 0);
 645
 646         for (test = tests; test && *test; test++)
 647                 (*test)(m);
 648
 649         return 0;
 650 }
 651
 652 int main(int argc, char *argv[]) {
 653         _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
 654         static const test_function_t user_tests[] = {
 655                 test_exec_basic,
 656                 test_exec_ambientcapabilities,
 657                 test_exec_bindpaths,
 658                 test_exec_capabilityboundingset,
 659                 test_exec_cpuaffinity,
 660                 test_exec_environment,
 661                 test_exec_environmentfile,
 662                 test_exec_group,
 663                 test_exec_ignoresigpipe,
 664                 test_exec_inaccessiblepaths,
 665                 test_exec_ioschedulingclass,
 666                 test_exec_oomscoreadjust,
 667                 test_exec_passenvironment,
 668                 test_exec_personality,
 669                 test_exec_privatedevices,
 670                 test_exec_privatenetwork,
 671                 test_exec_privatetmp,
 672                 test_exec_protectkernelmodules,
 673                 test_exec_readonlypaths,
 674                 test_exec_readwritepaths,
 675                 test_exec_restrictnamespaces,
 676                 test_exec_runtimedirectory,
 677                 test_exec_standardinput,
 678                 test_exec_supplementarygroups,
 679                 test_exec_systemcallerrornumber,
 680                 test_exec_systemcallfilter,
 681                 test_exec_temporaryfilesystem,
 682                 test_exec_umask,
 683                 test_exec_unsetenvironment,
 684                 test_exec_user,
 685                 test_exec_workingdirectory,
 686                 NULL,
 687         };
 688         static const test_function_t system_tests[] = {
 689                 test_exec_dynamicuser,
 690                 test_exec_specifier,
 691                 test_exec_systemcallfilter_system,
 692                 NULL,
 693         };
 694         int r;
 695
 696         log_set_max_level(LOG_DEBUG);
 697         log_parse_environment();
 698         log_open();
 699
 700         (void) unsetenv("USER");
 701         (void) unsetenv("LOGNAME");
 702         (void) unsetenv("SHELL");
 703
 704         /* It is needed otherwise cgroup creation fails */
 705         if (getuid() != 0) {
 706                 puts("Skipping test: not root");
 707                 return EXIT_TEST_SKIP;
 708         }
 709
 710         r = enter_cgroup_subroot();
 711         if (r == -ENOMEDIUM) {
 712                 puts("Skipping test: cgroupfs not available");
 713                 return EXIT_TEST_SKIP;
 714         }
 715
 716         assert_se(runtime_dir = setup_fake_runtime_dir());
 717         assert_se(set_unit_path(get_testdata_dir("/test-execute")) >= 0);
 718
 719         /* Unset VAR1, VAR2 and VAR3 which are used in the PassEnvironment test
 720          * cases, otherwise (and if they are present in the environment),
 721          * `manager_default_environment` will copy them into the default
 722          * environment which is passed to each created job, which will make the
 723          * tests that expect those not to be present to fail.
 724          */
 725         assert_se(unsetenv("VAR1") == 0);
 726         assert_se(unsetenv("VAR2") == 0);
 727         assert_se(unsetenv("VAR3") == 0);
 728
 729         r = run_tests(UNIT_FILE_USER, user_tests);
 730         if (r != 0)
 731                 return r;
 732
 733         return run_tests(UNIT_FILE_SYSTEM, system_tests);
 734 }