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 "service.h"
  28 #include "stat-util.h"
  29 #include "test-helper.h"
  30 #include "tests.h"
  31 #include "unit.h"
  32 #include "user-util.h"
  33 #include "util.h"
  34 #include "virt.h"
  35
  36 typedef void (*test_function_t)(Manager *m);
  37
  38 static void check(Manager *m, Unit *unit, int status_expected, int code_expected) {
  39         Service *service = NULL;
  40         usec_t ts;
  41         usec_t timeout = 2 * USEC_PER_MINUTE;
  42
  43         assert_se(m);
  44         assert_se(unit);
  45
  46         service = SERVICE(unit);
  47         printf("%s\n", unit->id);
  48         exec_context_dump(&service->exec_context, stdout, "\t");
  49         ts = now(CLOCK_MONOTONIC);
  50         while (!IN_SET(service->state, SERVICE_DEAD, SERVICE_FAILED)) {
  51                 int r;
  52                 usec_t n;
  53
  54                 r = sd_event_run(m->event, 100 * USEC_PER_MSEC);
  55                 assert_se(r >= 0);
  56
  57                 n = now(CLOCK_MONOTONIC);
  58                 if (ts + timeout < n) {
  59                         log_error("Test timeout when testing %s", unit->id);
  60                         exit(EXIT_FAILURE);
  61                 }
  62         }
  63         exec_status_dump(&service->main_exec_status, stdout, "\t");
  64         assert_se(service->main_exec_status.status == status_expected);
  65         assert_se(service->main_exec_status.code == code_expected);
  66 }
  67
  68 static bool check_nobody_user_and_group(void) {
  69         static int cache = -1;
  70         struct passwd *p;
  71         struct group *g;
  72
  73         if (cache >= 0)
  74                 return !!cache;
  75
  76         if (!synthesize_nobody())
  77                 goto invalid;
  78
  79         p = getpwnam(NOBODY_USER_NAME);
  80         if (!p ||
  81             !streq(p->pw_name, NOBODY_USER_NAME) ||
  82             p->pw_uid != UID_NOBODY ||
  83             p->pw_gid != GID_NOBODY)
  84                 goto invalid;
  85
  86         p = getpwuid(UID_NOBODY);
  87         if (!p ||
  88             !streq(p->pw_name, NOBODY_USER_NAME) ||
  89             p->pw_uid != UID_NOBODY ||
  90             p->pw_gid != GID_NOBODY)
  91                 goto invalid;
  92
  93         g = getgrnam(NOBODY_GROUP_NAME);
  94         if (!g ||
  95             !streq(g->gr_name, NOBODY_GROUP_NAME) ||
  96             g->gr_gid != GID_NOBODY)
  97                 goto invalid;
  98
  99         g = getgrgid(GID_NOBODY);
 100         if (!g ||
 101             !streq(g->gr_name, NOBODY_GROUP_NAME) ||
 102             g->gr_gid != GID_NOBODY)
 103                 goto invalid;
 104
 105         cache = 1;
 106         return true;
 107
 108 invalid:
 109         cache = 0;
 110         return false;
 111 }
 112
 113 static bool is_inaccessible_available(void) {
 114         char *p;
 115
 116         FOREACH_STRING(p,
 117                 "/run/systemd/inaccessible/reg",
 118                 "/run/systemd/inaccessible/dir",
 119                 "/run/systemd/inaccessible/chr",
 120                 "/run/systemd/inaccessible/blk",
 121                 "/run/systemd/inaccessible/fifo",
 122                 "/run/systemd/inaccessible/sock"
 123         ) {
 124                 if (access(p, F_OK) < 0)
 125                         return false;
 126         }
 127
 128         return true;
 129 }
 130
 131 static void test(Manager *m, const char *unit_name, int status_expected, int code_expected) {
 132         Unit *unit;
 133
 134         assert_se(unit_name);
 135
 136         assert_se(manager_load_startable_unit_or_warn(m, unit_name, NULL, &unit) >= 0);
 137         assert_se(UNIT_VTABLE(unit)->start(unit) >= 0);
 138         check(m, unit, status_expected, code_expected);
 139 }
 140
 141 static void test_exec_bindpaths(Manager *m) {
 142         assert_se(mkdir_p("/tmp/test-exec-bindpaths", 0755) >= 0);
 143         assert_se(mkdir_p("/tmp/test-exec-bindreadonlypaths", 0755) >= 0);
 144
 145         test(m, "exec-bindpaths.service", 0, CLD_EXITED);
 146
 147         (void) rm_rf("/tmp/test-exec-bindpaths", REMOVE_ROOT|REMOVE_PHYSICAL);
 148         (void) rm_rf("/tmp/test-exec-bindreadonlypaths", REMOVE_ROOT|REMOVE_PHYSICAL);
 149 }
 150
 151 static void test_exec_cpuaffinity(Manager *m) {
 152         _cleanup_cpu_free_ cpu_set_t *c = NULL;
 153         unsigned n;
 154
 155         assert_se(c = cpu_set_malloc(&n));
 156         assert_se(sched_getaffinity(0, CPU_ALLOC_SIZE(n), c) >= 0);
 157
 158         if (CPU_ISSET_S(0, CPU_ALLOC_SIZE(n), c) == 0) {
 159                 log_notice("Cannot use CPU 0, skipping %s", __func__);
 160                 return;
 161         }
 162
 163         test(m, "exec-cpuaffinity1.service", 0, CLD_EXITED);
 164         test(m, "exec-cpuaffinity2.service", 0, CLD_EXITED);
 165
 166         if (CPU_ISSET_S(1, CPU_ALLOC_SIZE(n), c) == 0 ||
 167             CPU_ISSET_S(2, CPU_ALLOC_SIZE(n), c) == 0) {
 168                 log_notice("Cannot use CPU 1 or 2, skipping remaining tests in %s", __func__);
 169                 return;
 170         }
 171
 172         test(m, "exec-cpuaffinity3.service", 0, CLD_EXITED);
 173 }
 174
 175 static void test_exec_workingdirectory(Manager *m) {
 176         assert_se(mkdir_p("/tmp/test-exec_workingdirectory", 0755) >= 0);
 177
 178         test(m, "exec-workingdirectory.service", 0, CLD_EXITED);
 179
 180         (void) rm_rf("/tmp/test-exec_workingdirectory", REMOVE_ROOT|REMOVE_PHYSICAL);
 181 }
 182
 183 static void test_exec_personality(Manager *m) {
 184 #if defined(__x86_64__)
 185         test(m, "exec-personality-x86-64.service", 0, CLD_EXITED);
 186
 187 #elif defined(__s390__)
 188         test(m, "exec-personality-s390.service", 0, CLD_EXITED);
 189
 190 #elif defined(__powerpc64__)
 191 #  if __BYTE_ORDER == __BIG_ENDIAN
 192         test(m, "exec-personality-ppc64.service", 0, CLD_EXITED);
 193 #  else
 194         test(m, "exec-personality-ppc64le.service", 0, CLD_EXITED);
 195 #  endif
 196
 197 #elif defined(__aarch64__)
 198         test(m, "exec-personality-aarch64.service", 0, CLD_EXITED);
 199
 200 #elif defined(__i386__)
 201         test(m, "exec-personality-x86.service", 0, CLD_EXITED);
 202 #else
 203         log_notice("Unknown personality, skipping %s", __func__);
 204 #endif
 205 }
 206
 207 static void test_exec_ignoresigpipe(Manager *m) {
 208         test(m, "exec-ignoresigpipe-yes.service", 0, CLD_EXITED);
 209         test(m, "exec-ignoresigpipe-no.service", SIGPIPE, CLD_KILLED);
 210 }
 211
 212 static void test_exec_privatetmp(Manager *m) {
 213         assert_se(touch("/tmp/test-exec_privatetmp") >= 0);
 214
 215         test(m, "exec-privatetmp-yes.service", 0, CLD_EXITED);
 216         test(m, "exec-privatetmp-no.service", 0, CLD_EXITED);
 217
 218         unlink("/tmp/test-exec_privatetmp");
 219 }
 220
 221 static void test_exec_privatedevices(Manager *m) {
 222         int r;
 223
 224         if (detect_container() > 0) {
 225                 log_notice("Testing in container, skipping %s", __func__);
 226                 return;
 227         }
 228         if (!is_inaccessible_available()) {
 229                 log_notice("Testing without inaccessible, skipping %s", __func__);
 230                 return;
 231         }
 232
 233         test(m, "exec-privatedevices-yes.service", 0, CLD_EXITED);
 234         test(m, "exec-privatedevices-no.service", 0, CLD_EXITED);
 235         test(m, "exec-privatedevices-disabled-by-prefix.service", 0, CLD_EXITED);
 236
 237         /* We use capsh to test if the capabilities are
 238          * properly set, so be sure that it exists */
 239         r = find_binary("capsh", NULL);
 240         if (r < 0) {
 241                 log_notice_errno(r, "Could not find capsh binary, skipping remaining tests in %s: %m", __func__);
 242                 return;
 243         }
 244
 245         test(m, "exec-privatedevices-yes-capability-mknod.service", 0, CLD_EXITED);
 246         test(m, "exec-privatedevices-no-capability-mknod.service", 0, CLD_EXITED);
 247         test(m, "exec-privatedevices-yes-capability-sys-rawio.service", 0, CLD_EXITED);
 248         test(m, "exec-privatedevices-no-capability-sys-rawio.service", 0, CLD_EXITED);
 249 }
 250
 251 static void test_exec_protectkernelmodules(Manager *m) {
 252         int r;
 253
 254         if (detect_container() > 0) {
 255                 log_notice("Testing in container, skipping %s", __func__);
 256                 return;
 257         }
 258         if (!is_inaccessible_available()) {
 259                 log_notice("Testing without inaccessible, skipping %s", __func__);
 260                 return;
 261         }
 262
 263         r = find_binary("capsh", NULL);
 264         if (r < 0) {
 265                 log_notice_errno(r, "Skipping %s, could not find capsh binary: %m", __func__);
 266                 return;
 267         }
 268
 269         test(m, "exec-protectkernelmodules-no-capabilities.service", 0, CLD_EXITED);
 270         test(m, "exec-protectkernelmodules-yes-capabilities.service", 0, CLD_EXITED);
 271         test(m, "exec-protectkernelmodules-yes-mount-propagation.service", 0, CLD_EXITED);
 272 }
 273
 274 static void test_exec_readonlypaths(Manager *m) {
 275
 276         test(m, "exec-readonlypaths-simple.service", 0, CLD_EXITED);
 277
 278         if (path_is_read_only_fs("/var") > 0) {
 279                 log_notice("Directory /var is readonly, skipping remaining tests in %s", __func__);
 280                 return;
 281         }
 282
 283         test(m, "exec-readonlypaths.service", 0, CLD_EXITED);
 284         test(m, "exec-readonlypaths-mount-propagation.service", 0, CLD_EXITED);
 285         test(m, "exec-readonlypaths-with-bindpaths.service", 0, CLD_EXITED);
 286 }
 287
 288 static void test_exec_readwritepaths(Manager *m) {
 289
 290         if (path_is_read_only_fs("/") > 0) {
 291                 log_notice("Root directory is readonly, skipping %s", __func__);
 292                 return;
 293         }
 294
 295         test(m, "exec-readwritepaths-mount-propagation.service", 0, CLD_EXITED);
 296 }
 297
 298 static void test_exec_inaccessiblepaths(Manager *m) {
 299
 300         if (!is_inaccessible_available()) {
 301                 log_notice("Testing without inaccessible, skipping %s", __func__);
 302                 return;
 303         }
 304
 305         test(m, "exec-inaccessiblepaths-proc.service", 0, CLD_EXITED);
 306
 307         if (path_is_read_only_fs("/") > 0) {
 308                 log_notice("Root directory is readonly, skipping remaining tests in %s", __func__);
 309                 return;
 310         }
 311
 312         test(m, "exec-inaccessiblepaths-mount-propagation.service", 0, CLD_EXITED);
 313 }
 314
 315 static void test_exec_temporaryfilesystem(Manager *m) {
 316
 317         test(m, "exec-temporaryfilesystem-options.service", 0, CLD_EXITED);
 318         test(m, "exec-temporaryfilesystem-ro.service", 0, CLD_EXITED);
 319         test(m, "exec-temporaryfilesystem-rw.service", 0, CLD_EXITED);
 320         test(m, "exec-temporaryfilesystem-usr.service", 0, CLD_EXITED);
 321 }
 322
 323 static void test_exec_systemcallfilter(Manager *m) {
 324 #if HAVE_SECCOMP
 325         if (!is_seccomp_available()) {
 326                 log_notice("Seccomp not available, skipping %s", __func__);
 327                 return;
 328         }
 329
 330         test(m, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED);
 331         test(m, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED);
 332         test(m, "exec-systemcallfilter-failing.service", SIGSYS, CLD_KILLED);
 333         test(m, "exec-systemcallfilter-failing2.service", SIGSYS, CLD_KILLED);
 334         test(m, "exec-systemcallfilter-with-errno-name.service", errno_from_name("EILSEQ"), CLD_EXITED);
 335         test(m, "exec-systemcallfilter-with-errno-number.service", 255, CLD_EXITED);
 336 #endif
 337 }
 338
 339 static void test_exec_systemcallerrornumber(Manager *m) {
 340 #if HAVE_SECCOMP
 341         if (!is_seccomp_available()) {
 342                 log_notice("Seccomp not available, skipping %s", __func__);
 343                 return;
 344         }
 345
 346         test(m, "exec-systemcallerrornumber-name.service", errno_from_name("EACCES"), CLD_EXITED);
 347         test(m, "exec-systemcallerrornumber-number.service", 255, CLD_EXITED);
 348 #endif
 349 }
 350
 351 static void test_exec_restrictnamespaces(Manager *m) {
 352 #if HAVE_SECCOMP
 353         if (!is_seccomp_available()) {
 354                 log_notice("Seccomp not available, skipping %s", __func__);
 355                 return;
 356         }
 357
 358         test(m, "exec-restrictnamespaces-no.service", 0, CLD_EXITED);
 359         test(m, "exec-restrictnamespaces-yes.service", 1, CLD_EXITED);
 360         test(m, "exec-restrictnamespaces-mnt.service", 0, CLD_EXITED);
 361         test(m, "exec-restrictnamespaces-mnt-blacklist.service", 1, CLD_EXITED);
 362 #endif
 363 }
 364
 365 static void test_exec_systemcallfilter_system(Manager *m) {
 366 #if HAVE_SECCOMP
 367         if (!is_seccomp_available()) {
 368                 log_notice("Seccomp not available, skipping %s", __func__);
 369                 return;
 370         }
 371
 372         test(m, "exec-systemcallfilter-system-user.service", 0, CLD_EXITED);
 373
 374         if (!check_nobody_user_and_group()) {
 375                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 376                 return;
 377         }
 378
 379         if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) {
 380                 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__);
 381                 return;
 382         }
 383
 384         test(m, "exec-systemcallfilter-system-user-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 385 #endif
 386 }
 387
 388 static void test_exec_user(Manager *m) {
 389         test(m, "exec-user.service", 0, CLD_EXITED);
 390
 391         if (!check_nobody_user_and_group()) {
 392                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 393                 return;
 394         }
 395
 396         if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) {
 397                 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__);
 398                 return;
 399         }
 400
 401         test(m, "exec-user-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 402 }
 403
 404 static void test_exec_group(Manager *m) {
 405         test(m, "exec-group.service", 0, CLD_EXITED);
 406
 407         if (!check_nobody_user_and_group()) {
 408                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 409                 return;
 410         }
 411
 412         if (!STR_IN_SET(NOBODY_GROUP_NAME, "nobody", "nfsnobody", "nogroup")) {
 413                 log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME, __func__);
 414                 return;
 415         }
 416
 417         test(m, "exec-group-" NOBODY_GROUP_NAME ".service", 0, CLD_EXITED);
 418 }
 419
 420 static void test_exec_supplementarygroups(Manager *m) {
 421         test(m, "exec-supplementarygroups.service", 0, CLD_EXITED);
 422         test(m, "exec-supplementarygroups-single-group.service", 0, CLD_EXITED);
 423         test(m, "exec-supplementarygroups-single-group-user.service", 0, CLD_EXITED);
 424         test(m, "exec-supplementarygroups-multiple-groups-default-group-user.service", 0, CLD_EXITED);
 425         test(m, "exec-supplementarygroups-multiple-groups-withgid.service", 0, CLD_EXITED);
 426         test(m, "exec-supplementarygroups-multiple-groups-withuid.service", 0, CLD_EXITED);
 427 }
 428
 429 static void test_exec_dynamicuser(Manager *m) {
 430         test(m, "exec-dynamicuser-fixeduser.service", 0, CLD_EXITED);
 431         test(m, "exec-dynamicuser-fixeduser-one-supplementarygroup.service", 0, CLD_EXITED);
 432         test(m, "exec-dynamicuser-supplementarygroups.service", 0, CLD_EXITED);
 433         test(m, "exec-dynamicuser-statedir.service", 0, CLD_EXITED);
 434
 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         test(m, "exec-dynamicuser-statedir-migrate-step1.service", 0, CLD_EXITED);
 441         test(m, "exec-dynamicuser-statedir-migrate-step2.service", 0, CLD_EXITED);
 442
 443         (void) rm_rf("/var/lib/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL);
 444         (void) rm_rf("/var/lib/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL);
 445         (void) rm_rf("/var/lib/private/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL);
 446         (void) rm_rf("/var/lib/private/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL);
 447 }
 448
 449 static void test_exec_environment(Manager *m) {
 450         test(m, "exec-environment.service", 0, CLD_EXITED);
 451         test(m, "exec-environment-multiple.service", 0, CLD_EXITED);
 452         test(m, "exec-environment-empty.service", 0, CLD_EXITED);
 453 }
 454
 455 static void test_exec_environmentfile(Manager *m) {
 456         static const char e[] =
 457                 "VAR1='word1 word2'\n"
 458                 "VAR2=word3 \n"
 459                 "# comment1\n"
 460                 "\n"
 461                 "; comment2\n"
 462                 " ; # comment3\n"
 463                 "line without an equal\n"
 464                 "VAR3='$word 5 6'\n"
 465                 "VAR4='new\nline'\n"
 466                 "VAR5=password\\with\\backslashes";
 467         int r;
 468
 469         r = write_string_file("/tmp/test-exec_environmentfile.conf", e, WRITE_STRING_FILE_CREATE);
 470         assert_se(r == 0);
 471
 472         test(m, "exec-environmentfile.service", 0, CLD_EXITED);
 473
 474         (void) unlink("/tmp/test-exec_environmentfile.conf");
 475 }
 476
 477 static void test_exec_passenvironment(Manager *m) {
 478         /* test-execute runs under MANAGER_USER which, by default, forwards all
 479          * variables present in the environment, but only those that are
 480          * present _at the time it is created_!
 481          *
 482          * So these PassEnvironment checks are still expected to work, since we
 483          * are ensuring the variables are not present at manager creation (they
 484          * are unset explicitly in main) and are only set here.
 485          *
 486          * This is still a good approximation of how a test for MANAGER_SYSTEM
 487          * would work.
 488          */
 489         assert_se(setenv("VAR1", "word1 word2", 1) == 0);
 490         assert_se(setenv("VAR2", "word3", 1) == 0);
 491         assert_se(setenv("VAR3", "$word 5 6", 1) == 0);
 492         assert_se(setenv("VAR4", "new\nline", 1) == 0);
 493         assert_se(setenv("VAR5", "passwordwithbackslashes", 1) == 0);
 494         test(m, "exec-passenvironment.service", 0, CLD_EXITED);
 495         test(m, "exec-passenvironment-repeated.service", 0, CLD_EXITED);
 496         test(m, "exec-passenvironment-empty.service", 0, CLD_EXITED);
 497         assert_se(unsetenv("VAR1") == 0);
 498         assert_se(unsetenv("VAR2") == 0);
 499         assert_se(unsetenv("VAR3") == 0);
 500         assert_se(unsetenv("VAR4") == 0);
 501         assert_se(unsetenv("VAR5") == 0);
 502         test(m, "exec-passenvironment-absent.service", 0, CLD_EXITED);
 503 }
 504
 505 static void test_exec_umask(Manager *m) {
 506         test(m, "exec-umask-default.service", 0, CLD_EXITED);
 507         test(m, "exec-umask-0177.service", 0, CLD_EXITED);
 508 }
 509
 510 static void test_exec_runtimedirectory(Manager *m) {
 511         test(m, "exec-runtimedirectory.service", 0, CLD_EXITED);
 512         test(m, "exec-runtimedirectory-mode.service", 0, CLD_EXITED);
 513         test(m, "exec-runtimedirectory-owner.service", 0, CLD_EXITED);
 514
 515         if (!check_nobody_user_and_group()) {
 516                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 517                 return;
 518         }
 519
 520         if (!STR_IN_SET(NOBODY_GROUP_NAME, "nobody", "nfsnobody", "nogroup")) {
 521                 log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME, __func__);
 522                 return;
 523         }
 524
 525         test(m, "exec-runtimedirectory-owner-" NOBODY_GROUP_NAME ".service", 0, CLD_EXITED);
 526 }
 527
 528 static void test_exec_capabilityboundingset(Manager *m) {
 529         int r;
 530
 531         r = find_binary("capsh", NULL);
 532         if (r < 0) {
 533                 log_notice_errno(r, "Skipping %s, could not find capsh binary: %m", __func__);
 534                 return;
 535         }
 536
 537         if (have_effective_cap(CAP_CHOWN) <= 0 ||
 538             have_effective_cap(CAP_FOWNER) <= 0 ||
 539             have_effective_cap(CAP_KILL) <= 0) {
 540                 log_notice("Skipping %s, this process does not have enough capabilities", __func__);
 541                 return;
 542         }
 543
 544         test(m, "exec-capabilityboundingset-simple.service", 0, CLD_EXITED);
 545         test(m, "exec-capabilityboundingset-reset.service", 0, CLD_EXITED);
 546         test(m, "exec-capabilityboundingset-merge.service", 0, CLD_EXITED);
 547         test(m, "exec-capabilityboundingset-invert.service", 0, CLD_EXITED);
 548 }
 549
 550 static void test_exec_basic(Manager *m) {
 551         test(m, "exec-basic.service", 0, CLD_EXITED);
 552 }
 553
 554 static void test_exec_ambientcapabilities(Manager *m) {
 555         int r;
 556
 557         /* Check if the kernel has support for ambient capabilities. Run
 558          * the tests only if that's the case. Clearing all ambient
 559          * capabilities is fine, since we are expecting them to be unset
 560          * in the first place for the tests. */
 561         r = prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0);
 562         if (r < 0 && IN_SET(errno, EINVAL, EOPNOTSUPP, ENOSYS)) {
 563                 log_notice("Skipping %s, the kernel does not support ambient capabilities", __func__);
 564                 return;
 565         }
 566
 567         if (have_effective_cap(CAP_CHOWN) <= 0 ||
 568             have_effective_cap(CAP_NET_RAW) <= 0) {
 569                 log_notice("Skipping %s, this process does not have enough capabilities", __func__);
 570                 return;
 571         }
 572
 573         test(m, "exec-ambientcapabilities.service", 0, CLD_EXITED);
 574         test(m, "exec-ambientcapabilities-merge.service", 0, CLD_EXITED);
 575
 576         if (!check_nobody_user_and_group()) {
 577                 log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__);
 578                 return;
 579         }
 580
 581         if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) {
 582                 log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__);
 583                 return;
 584         }
 585
 586         test(m, "exec-ambientcapabilities-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 587         test(m, "exec-ambientcapabilities-merge-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
 588 }
 589
 590 static void test_exec_privatenetwork(Manager *m) {
 591         int r;
 592
 593         r = find_binary("ip", NULL);
 594         if (r < 0) {
 595                 log_notice_errno(r, "Skipping %s, could not find ip binary: %m", __func__);
 596                 return;
 597         }
 598
 599         test(m, "exec-privatenetwork-yes.service", 0, CLD_EXITED);
 600 }
 601
 602 static void test_exec_oomscoreadjust(Manager *m) {
 603         test(m, "exec-oomscoreadjust-positive.service", 0, CLD_EXITED);
 604         test(m, "exec-oomscoreadjust-negative.service", 0, CLD_EXITED);
 605 }
 606
 607 static void test_exec_ioschedulingclass(Manager *m) {
 608         test(m, "exec-ioschedulingclass-none.service", 0, CLD_EXITED);
 609         test(m, "exec-ioschedulingclass-idle.service", 0, CLD_EXITED);
 610         test(m, "exec-ioschedulingclass-realtime.service", 0, CLD_EXITED);
 611         test(m, "exec-ioschedulingclass-best-effort.service", 0, CLD_EXITED);
 612 }
 613
 614 static void test_exec_unsetenvironment(Manager *m) {
 615         test(m, "exec-unsetenvironment.service", 0, CLD_EXITED);
 616 }
 617
 618 static void test_exec_specifier(Manager *m) {
 619         test(m, "exec-specifier.service", 0, CLD_EXITED);
 620         test(m, "exec-specifier@foo-bar.service", 0, CLD_EXITED);
 621         test(m, "exec-specifier-interpolation.service", 0, CLD_EXITED);
 622 }
 623
 624 static void test_exec_standardinput(Manager *m) {
 625         test(m, "exec-standardinput-data.service", 0, CLD_EXITED);
 626         test(m, "exec-standardinput-file.service", 0, CLD_EXITED);
 627 }
 628
 629 static int run_tests(UnitFileScope scope, const test_function_t *tests) {
 630         const test_function_t *test = NULL;
 631         _cleanup_(manager_freep) Manager *m = NULL;
 632         int r;
 633
 634         assert_se(tests);
 635
 636         r = manager_new(scope, MANAGER_TEST_RUN_BASIC, &m);
 637         if (MANAGER_SKIP_TEST(r)) {
 638                 log_notice_errno(r, "Skipping test: manager_new: %m");
 639                 return EXIT_TEST_SKIP;
 640         }
 641         assert_se(r >= 0);
 642         assert_se(manager_startup(m, NULL, NULL) >= 0);
 643
 644         for (test = tests; test && *test; test++)
 645                 (*test)(m);
 646
 647         return 0;
 648 }
 649
 650 int main(int argc, char *argv[]) {
 651         _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL;
 652         static const test_function_t user_tests[] = {
 653                 test_exec_basic,
 654                 test_exec_ambientcapabilities,
 655                 test_exec_bindpaths,
 656                 test_exec_capabilityboundingset,
 657                 test_exec_cpuaffinity,
 658                 test_exec_environment,
 659                 test_exec_environmentfile,
 660                 test_exec_group,
 661                 test_exec_ignoresigpipe,
 662                 test_exec_inaccessiblepaths,
 663                 test_exec_ioschedulingclass,
 664                 test_exec_oomscoreadjust,
 665                 test_exec_passenvironment,
 666                 test_exec_personality,
 667                 test_exec_privatedevices,
 668                 test_exec_privatenetwork,
 669                 test_exec_privatetmp,
 670                 test_exec_protectkernelmodules,
 671                 test_exec_readonlypaths,
 672                 test_exec_readwritepaths,
 673                 test_exec_restrictnamespaces,
 674                 test_exec_runtimedirectory,
 675                 test_exec_standardinput,
 676                 test_exec_supplementarygroups,
 677                 test_exec_systemcallerrornumber,
 678                 test_exec_systemcallfilter,
 679                 test_exec_temporaryfilesystem,
 680                 test_exec_umask,
 681                 test_exec_unsetenvironment,
 682                 test_exec_user,
 683                 test_exec_workingdirectory,
 684                 NULL,
 685         };
 686         static const test_function_t system_tests[] = {
 687                 test_exec_dynamicuser,
 688                 test_exec_specifier,
 689                 test_exec_systemcallfilter_system,
 690                 NULL,
 691         };
 692         int r;
 693
 694         log_set_max_level(LOG_DEBUG);
 695         log_parse_environment();
 696         log_open();
 697
 698         (void) unsetenv("USER");
 699         (void) unsetenv("LOGNAME");
 700         (void) unsetenv("SHELL");
 701
 702         /* It is needed otherwise cgroup creation fails */
 703         if (getuid() != 0) {
 704                 puts("Skipping test: not root");
 705                 return EXIT_TEST_SKIP;
 706         }
 707
 708         r = enter_cgroup_subroot();
 709         if (r == -ENOMEDIUM) {
 710                 puts("Skipping test: cgroupfs not available");
 711                 return EXIT_TEST_SKIP;
 712         }
 713
 714         assert_se(runtime_dir = setup_fake_runtime_dir());
 715         assert_se(set_unit_path(get_testdata_dir("/test-execute")) >= 0);
 716
 717         /* Unset VAR1, VAR2 and VAR3 which are used in the PassEnvironment test
 718          * cases, otherwise (and if they are present in the environment),
 719          * `manager_default_environment` will copy them into the default
 720          * environment which is passed to each created job, which will make the
 721          * tests that expect those not to be present to fail.
 722          */
 723         assert_se(unsetenv("VAR1") == 0);
 724         assert_se(unsetenv("VAR2") == 0);
 725         assert_se(unsetenv("VAR3") == 0);
 726
 727         r = run_tests(UNIT_FILE_USER, user_tests);
 728         if (r != 0)
 729                 return r;
 730
 731         return run_tests(UNIT_FILE_SYSTEM, system_tests);
 732 }