| /* SPDX-License-Identifier: LGPL-2.1+ */ |
| |
| #include <grp.h> |
| #include <pwd.h> |
| #include <stdio.h> |
| #include <sys/prctl.h> |
| #include <sys/types.h> |
| |
| #include "capability-util.h" |
| #include "cpu-set-util.h" |
| #include "errno-list.h" |
| #include "fileio.h" |
| #include "fs-util.h" |
| #include "macro.h" |
| #include "manager.h" |
| #include "missing_prctl.h" |
| #include "mkdir.h" |
| #include "path-util.h" |
| #include "rm-rf.h" |
| #if HAVE_SECCOMP |
| #include "seccomp-util.h" |
| #endif |
| #include "service.h" |
| #include "stat-util.h" |
| #include "test-helper.h" |
| #include "tests.h" |
| #include "unit.h" |
| #include "user-util.h" |
| #include "util.h" |
| #include "virt.h" |
| |
| static bool can_unshare; |
| |
| typedef void (*test_function_t)(Manager *m); |
| |
| static int cld_dumped_to_killed(int code) { |
| /* Depending on the system, seccomp version, … some signals might result in dumping, others in plain |
| * killing. Let's ignore the difference here, and map both cases to CLD_KILLED */ |
| return code == CLD_DUMPED ? CLD_KILLED : code; |
| } |
| |
| static void wait_for_service_finish(Manager *m, Unit *unit) { |
| Service *service = NULL; |
| usec_t ts; |
| usec_t timeout = 2 * USEC_PER_MINUTE; |
| |
| assert_se(m); |
| assert_se(unit); |
| |
| service = SERVICE(unit); |
| printf("%s\n", unit->id); |
| exec_context_dump(&service->exec_context, stdout, "\t"); |
| ts = now(CLOCK_MONOTONIC); |
| while (!IN_SET(service->state, SERVICE_DEAD, SERVICE_FAILED)) { |
| int r; |
| usec_t n; |
| |
| r = sd_event_run(m->event, 100 * USEC_PER_MSEC); |
| assert_se(r >= 0); |
| |
| n = now(CLOCK_MONOTONIC); |
| if (ts + timeout < n) { |
| log_error("Test timeout when testing %s", unit->id); |
| r = unit_kill(unit, KILL_ALL, SIGKILL, NULL); |
| if (r < 0) |
| log_error_errno(r, "Failed to kill %s: %m", unit->id); |
| exit(EXIT_FAILURE); |
| } |
| } |
| } |
| |
| static void check_main_result(const char *func, Manager *m, Unit *unit, int status_expected, int code_expected) { |
| Service *service = NULL; |
| |
| assert_se(m); |
| assert_se(unit); |
| |
| wait_for_service_finish(m, unit); |
| |
| service = SERVICE(unit); |
| exec_status_dump(&service->main_exec_status, stdout, "\t"); |
| |
| if (cld_dumped_to_killed(service->main_exec_status.code) != cld_dumped_to_killed(code_expected)) { |
| log_error("%s: %s: exit code %d, expected %d", |
| func, unit->id, |
| service->main_exec_status.code, code_expected); |
| abort(); |
| } |
| |
| if (service->main_exec_status.status != status_expected) { |
| log_error("%s: %s: exit status %d, expected %d", |
| func, unit->id, |
| service->main_exec_status.status, status_expected); |
| abort(); |
| } |
| } |
| |
| static void check_service_result(const char *func, Manager *m, Unit *unit, ServiceResult result_expected) { |
| Service *service = NULL; |
| |
| assert_se(m); |
| assert_se(unit); |
| |
| wait_for_service_finish(m, unit); |
| |
| service = SERVICE(unit); |
| |
| if (service->result != result_expected) { |
| log_error("%s: %s: service end result %s, expected %s", |
| func, unit->id, |
| service_result_to_string(service->result), |
| service_result_to_string(result_expected)); |
| abort(); |
| } |
| } |
| |
| static bool check_nobody_user_and_group(void) { |
| static int cache = -1; |
| struct passwd *p; |
| struct group *g; |
| |
| if (cache >= 0) |
| return !!cache; |
| |
| if (!synthesize_nobody()) |
| goto invalid; |
| |
| p = getpwnam(NOBODY_USER_NAME); |
| if (!p || |
| !streq(p->pw_name, NOBODY_USER_NAME) || |
| p->pw_uid != UID_NOBODY || |
| p->pw_gid != GID_NOBODY) |
| goto invalid; |
| |
| p = getpwuid(UID_NOBODY); |
| if (!p || |
| !streq(p->pw_name, NOBODY_USER_NAME) || |
| p->pw_uid != UID_NOBODY || |
| p->pw_gid != GID_NOBODY) |
| goto invalid; |
| |
| g = getgrnam(NOBODY_GROUP_NAME); |
| if (!g || |
| !streq(g->gr_name, NOBODY_GROUP_NAME) || |
| g->gr_gid != GID_NOBODY) |
| goto invalid; |
| |
| g = getgrgid(GID_NOBODY); |
| if (!g || |
| !streq(g->gr_name, NOBODY_GROUP_NAME) || |
| g->gr_gid != GID_NOBODY) |
| goto invalid; |
| |
| cache = 1; |
| return true; |
| |
| invalid: |
| cache = 0; |
| return false; |
| } |
| |
| static bool check_user_has_group_with_same_name(const char *name) { |
| struct passwd *p; |
| struct group *g; |
| |
| assert(name); |
| |
| p = getpwnam(name); |
| if (!p || |
| !streq(p->pw_name, name)) |
| return false; |
| |
| g = getgrgid(p->pw_gid); |
| if (!g || |
| !streq(g->gr_name, name)) |
| return false; |
| |
| return true; |
| } |
| |
| static bool is_inaccessible_available(void) { |
| const char *p; |
| |
| FOREACH_STRING(p, |
| "/run/systemd/inaccessible/reg", |
| "/run/systemd/inaccessible/dir", |
| "/run/systemd/inaccessible/chr", |
| "/run/systemd/inaccessible/blk", |
| "/run/systemd/inaccessible/fifo", |
| "/run/systemd/inaccessible/sock" |
| ) { |
| if (access(p, F_OK) < 0) |
| return false; |
| } |
| |
| return true; |
| } |
| |
| static void test(const char *func, Manager *m, const char *unit_name, int status_expected, int code_expected) { |
| Unit *unit; |
| |
| assert_se(unit_name); |
| |
| assert_se(manager_load_startable_unit_or_warn(m, unit_name, NULL, &unit) >= 0); |
| assert_se(unit_start(unit) >= 0); |
| check_main_result(func, m, unit, status_expected, code_expected); |
| } |
| |
| static void test_service(const char *func, Manager *m, const char *unit_name, ServiceResult result_expected) { |
| Unit *unit; |
| |
| assert_se(unit_name); |
| |
| assert_se(manager_load_startable_unit_or_warn(m, unit_name, NULL, &unit) >= 0); |
| assert_se(unit_start(unit) >= 0); |
| check_service_result(func, m, unit, result_expected); |
| } |
| |
| static void test_exec_bindpaths(Manager *m) { |
| assert_se(mkdir_p("/tmp/test-exec-bindpaths", 0755) >= 0); |
| assert_se(mkdir_p("/tmp/test-exec-bindreadonlypaths", 0755) >= 0); |
| |
| test(__func__, m, "exec-bindpaths.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| |
| (void) rm_rf("/tmp/test-exec-bindpaths", REMOVE_ROOT|REMOVE_PHYSICAL); |
| (void) rm_rf("/tmp/test-exec-bindreadonlypaths", REMOVE_ROOT|REMOVE_PHYSICAL); |
| } |
| |
| static void test_exec_cpuaffinity(Manager *m) { |
| _cleanup_(cpu_set_reset) CPUSet c = {}; |
| |
| assert_se(cpu_set_realloc(&c, 8192) >= 0); /* just allocate the maximum possible size */ |
| assert_se(sched_getaffinity(0, c.allocated, c.set) >= 0); |
| |
| if (!CPU_ISSET_S(0, c.allocated, c.set)) { |
| log_notice("Cannot use CPU 0, skipping %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-cpuaffinity1.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-cpuaffinity2.service", 0, CLD_EXITED); |
| |
| if (!CPU_ISSET_S(1, c.allocated, c.set) || |
| !CPU_ISSET_S(2, c.allocated, c.set)) { |
| log_notice("Cannot use CPU 1 or 2, skipping remaining tests in %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-cpuaffinity3.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_workingdirectory(Manager *m) { |
| assert_se(mkdir_p("/tmp/test-exec_workingdirectory", 0755) >= 0); |
| |
| test(__func__, m, "exec-workingdirectory.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-workingdirectory-trailing-dot.service", 0, CLD_EXITED); |
| |
| (void) rm_rf("/tmp/test-exec_workingdirectory", REMOVE_ROOT|REMOVE_PHYSICAL); |
| } |
| |
| static void test_exec_personality(Manager *m) { |
| #if defined(__x86_64__) |
| test(__func__, m, "exec-personality-x86-64.service", 0, CLD_EXITED); |
| |
| #elif defined(__s390__) |
| test(__func__, m, "exec-personality-s390.service", 0, CLD_EXITED); |
| |
| #elif defined(__powerpc64__) |
| # if __BYTE_ORDER == __BIG_ENDIAN |
| test(__func__, m, "exec-personality-ppc64.service", 0, CLD_EXITED); |
| # else |
| test(__func__, m, "exec-personality-ppc64le.service", 0, CLD_EXITED); |
| # endif |
| |
| #elif defined(__aarch64__) |
| test(__func__, m, "exec-personality-aarch64.service", 0, CLD_EXITED); |
| |
| #elif defined(__i386__) |
| test(__func__, m, "exec-personality-x86.service", 0, CLD_EXITED); |
| #else |
| log_notice("Unknown personality, skipping %s", __func__); |
| #endif |
| } |
| |
| static void test_exec_ignoresigpipe(Manager *m) { |
| test(__func__, m, "exec-ignoresigpipe-yes.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-ignoresigpipe-no.service", SIGPIPE, CLD_KILLED); |
| } |
| |
| static void test_exec_privatetmp(Manager *m) { |
| assert_se(touch("/tmp/test-exec_privatetmp") >= 0); |
| |
| test(__func__, m, "exec-privatetmp-yes.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| test(__func__, m, "exec-privatetmp-no.service", 0, CLD_EXITED); |
| |
| unlink("/tmp/test-exec_privatetmp"); |
| } |
| |
| static void test_exec_privatedevices(Manager *m) { |
| int r; |
| |
| if (detect_container() > 0) { |
| log_notice("Testing in container, skipping %s", __func__); |
| return; |
| } |
| if (!is_inaccessible_available()) { |
| log_notice("Testing without inaccessible, skipping %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-privatedevices-yes.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| test(__func__, m, "exec-privatedevices-no.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-privatedevices-disabled-by-prefix.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| |
| /* We use capsh to test if the capabilities are |
| * properly set, so be sure that it exists */ |
| r = find_binary("capsh", NULL); |
| if (r < 0) { |
| log_notice_errno(r, "Could not find capsh binary, skipping remaining tests in %s: %m", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-privatedevices-yes-capability-mknod.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-privatedevices-no-capability-mknod.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-privatedevices-yes-capability-sys-rawio.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-privatedevices-no-capability-sys-rawio.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_protecthome(Manager *m) { |
| if (!can_unshare) { |
| log_notice("Cannot reliably unshare, skipping %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-protecthome-tmpfs-vs-protectsystem-strict.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_protectkernelmodules(Manager *m) { |
| int r; |
| |
| if (detect_container() > 0) { |
| log_notice("Testing in container, skipping %s", __func__); |
| return; |
| } |
| if (!is_inaccessible_available()) { |
| log_notice("Testing without inaccessible, skipping %s", __func__); |
| return; |
| } |
| |
| r = find_binary("capsh", NULL); |
| if (r < 0) { |
| log_notice_errno(r, "Skipping %s, could not find capsh binary: %m", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-protectkernelmodules-no-capabilities.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-protectkernelmodules-yes-capabilities.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-protectkernelmodules-yes-mount-propagation.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| } |
| |
| static void test_exec_readonlypaths(Manager *m) { |
| |
| test(__func__, m, "exec-readonlypaths-simple.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| |
| if (path_is_read_only_fs("/var") > 0) { |
| log_notice("Directory /var is readonly, skipping remaining tests in %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-readonlypaths.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| test(__func__, m, "exec-readonlypaths-with-bindpaths.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| test(__func__, m, "exec-readonlypaths-mount-propagation.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| } |
| |
| static void test_exec_readwritepaths(Manager *m) { |
| |
| if (path_is_read_only_fs("/") > 0) { |
| log_notice("Root directory is readonly, skipping %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-readwritepaths-mount-propagation.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| } |
| |
| static void test_exec_inaccessiblepaths(Manager *m) { |
| |
| if (!is_inaccessible_available()) { |
| log_notice("Testing without inaccessible, skipping %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-inaccessiblepaths-sys.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| |
| if (path_is_read_only_fs("/") > 0) { |
| log_notice("Root directory is readonly, skipping remaining tests in %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-inaccessiblepaths-mount-propagation.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| } |
| |
| static void test_exec_temporaryfilesystem(Manager *m) { |
| |
| test(__func__, m, "exec-temporaryfilesystem-options.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| test(__func__, m, "exec-temporaryfilesystem-ro.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| test(__func__, m, "exec-temporaryfilesystem-rw.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| test(__func__, m, "exec-temporaryfilesystem-usr.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| } |
| |
| static void test_exec_systemcallfilter(Manager *m) { |
| #if HAVE_SECCOMP |
| int r; |
| |
| if (!is_seccomp_available()) { |
| log_notice("Seccomp not available, skipping %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-systemcallfilter-failing.service", SIGSYS, CLD_KILLED); |
| test(__func__, m, "exec-systemcallfilter-failing2.service", SIGSYS, CLD_KILLED); |
| |
| r = find_binary("python3", NULL); |
| if (r < 0) { |
| log_notice_errno(r, "Skipping remaining tests in %s, could not find python3 binary: %m", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-systemcallfilter-with-errno-name.service", errno_from_name("EILSEQ"), CLD_EXITED); |
| test(__func__, m, "exec-systemcallfilter-with-errno-number.service", 255, CLD_EXITED); |
| test(__func__, m, "exec-systemcallfilter-with-errno-multi.service", errno_from_name("EILSEQ"), CLD_EXITED); |
| #endif |
| } |
| |
| static void test_exec_systemcallerrornumber(Manager *m) { |
| #if HAVE_SECCOMP |
| int r; |
| |
| if (!is_seccomp_available()) { |
| log_notice("Seccomp not available, skipping %s", __func__); |
| return; |
| } |
| |
| r = find_binary("python3", NULL); |
| if (r < 0) { |
| log_notice_errno(r, "Skipping %s, could not find python3 binary: %m", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-systemcallerrornumber-name.service", errno_from_name("EACCES"), CLD_EXITED); |
| test(__func__, m, "exec-systemcallerrornumber-number.service", 255, CLD_EXITED); |
| #endif |
| } |
| |
| static void test_exec_restrictnamespaces(Manager *m) { |
| #if HAVE_SECCOMP |
| if (!is_seccomp_available()) { |
| log_notice("Seccomp not available, skipping %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-restrictnamespaces-no.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| test(__func__, m, "exec-restrictnamespaces-yes.service", 1, CLD_EXITED); |
| test(__func__, m, "exec-restrictnamespaces-mnt.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| test(__func__, m, "exec-restrictnamespaces-mnt-blacklist.service", 1, CLD_EXITED); |
| test(__func__, m, "exec-restrictnamespaces-merge-and.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| test(__func__, m, "exec-restrictnamespaces-merge-or.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| test(__func__, m, "exec-restrictnamespaces-merge-all.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED); |
| #endif |
| } |
| |
| static void test_exec_systemcallfilter_system(Manager *m) { |
| #if HAVE_SECCOMP |
| if (!is_seccomp_available()) { |
| log_notice("Seccomp not available, skipping %s", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-systemcallfilter-system-user.service", 0, CLD_EXITED); |
| |
| if (!check_nobody_user_and_group()) { |
| log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__); |
| return; |
| } |
| |
| if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) { |
| log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-systemcallfilter-system-user-" NOBODY_USER_NAME ".service", 0, CLD_EXITED); |
| #endif |
| } |
| |
| static void test_exec_user(Manager *m) { |
| test(__func__, m, "exec-user.service", 0, CLD_EXITED); |
| |
| if (!check_nobody_user_and_group()) { |
| log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__); |
| return; |
| } |
| |
| if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) { |
| log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-user-" NOBODY_USER_NAME ".service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_group(Manager *m) { |
| test(__func__, m, "exec-group.service", 0, CLD_EXITED); |
| |
| if (!check_nobody_user_and_group()) { |
| log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__); |
| return; |
| } |
| |
| if (!STR_IN_SET(NOBODY_GROUP_NAME, "nobody", "nfsnobody", "nogroup")) { |
| log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME, __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-group-" NOBODY_GROUP_NAME ".service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_supplementarygroups(Manager *m) { |
| test(__func__, m, "exec-supplementarygroups.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-supplementarygroups-single-group.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-supplementarygroups-single-group-user.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-supplementarygroups-multiple-groups-default-group-user.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-supplementarygroups-multiple-groups-withgid.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-supplementarygroups-multiple-groups-withuid.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_dynamicuser(Manager *m) { |
| |
| test(__func__, m, "exec-dynamicuser-fixeduser.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| if (check_user_has_group_with_same_name("adm")) |
| test(__func__, m, "exec-dynamicuser-fixeduser-adm.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| if (check_user_has_group_with_same_name("games")) |
| test(__func__, m, "exec-dynamicuser-fixeduser-games.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| test(__func__, m, "exec-dynamicuser-fixeduser-one-supplementarygroup.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| test(__func__, m, "exec-dynamicuser-supplementarygroups.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| test(__func__, m, "exec-dynamicuser-statedir.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| |
| (void) rm_rf("/var/lib/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL); |
| (void) rm_rf("/var/lib/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL); |
| (void) rm_rf("/var/lib/private/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL); |
| (void) rm_rf("/var/lib/private/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL); |
| |
| test(__func__, m, "exec-dynamicuser-statedir-migrate-step1.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-dynamicuser-statedir-migrate-step2.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED); |
| |
| (void) rm_rf("/var/lib/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL); |
| (void) rm_rf("/var/lib/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL); |
| (void) rm_rf("/var/lib/private/test-dynamicuser-migrate", REMOVE_ROOT|REMOVE_PHYSICAL); |
| (void) rm_rf("/var/lib/private/test-dynamicuser-migrate2", REMOVE_ROOT|REMOVE_PHYSICAL); |
| } |
| |
| static void test_exec_environment(Manager *m) { |
| test(__func__, m, "exec-environment-no-substitute.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-environment.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-environment-multiple.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-environment-empty.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_environmentfile(Manager *m) { |
| static const char e[] = |
| "VAR1='word1 word2'\n" |
| "VAR2=word3 \n" |
| "# comment1\n" |
| "\n" |
| "; comment2\n" |
| " ; # comment3\n" |
| "line without an equal\n" |
| "VAR3='$word 5 6'\n" |
| "VAR4='new\nline'\n" |
| "VAR5=password\\with\\backslashes"; |
| int r; |
| |
| r = write_string_file("/tmp/test-exec_environmentfile.conf", e, WRITE_STRING_FILE_CREATE); |
| assert_se(r == 0); |
| |
| test(__func__, m, "exec-environmentfile.service", 0, CLD_EXITED); |
| |
| (void) unlink("/tmp/test-exec_environmentfile.conf"); |
| } |
| |
| static void test_exec_passenvironment(Manager *m) { |
| /* test-execute runs under MANAGER_USER which, by default, forwards all |
| * variables present in the environment, but only those that are |
| * present _at the time it is created_! |
| * |
| * So these PassEnvironment checks are still expected to work, since we |
| * are ensuring the variables are not present at manager creation (they |
| * are unset explicitly in main) and are only set here. |
| * |
| * This is still a good approximation of how a test for MANAGER_SYSTEM |
| * would work. |
| */ |
| assert_se(setenv("VAR1", "word1 word2", 1) == 0); |
| assert_se(setenv("VAR2", "word3", 1) == 0); |
| assert_se(setenv("VAR3", "$word 5 6", 1) == 0); |
| assert_se(setenv("VAR4", "new\nline", 1) == 0); |
| assert_se(setenv("VAR5", "passwordwithbackslashes", 1) == 0); |
| test(__func__, m, "exec-passenvironment.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-passenvironment-repeated.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-passenvironment-empty.service", 0, CLD_EXITED); |
| assert_se(unsetenv("VAR1") == 0); |
| assert_se(unsetenv("VAR2") == 0); |
| assert_se(unsetenv("VAR3") == 0); |
| assert_se(unsetenv("VAR4") == 0); |
| assert_se(unsetenv("VAR5") == 0); |
| test(__func__, m, "exec-passenvironment-absent.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_umask(Manager *m) { |
| test(__func__, m, "exec-umask-default.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-umask-0177.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_runtimedirectory(Manager *m) { |
| test(__func__, m, "exec-runtimedirectory.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-runtimedirectory-mode.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-runtimedirectory-owner.service", 0, CLD_EXITED); |
| |
| if (!check_nobody_user_and_group()) { |
| log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__); |
| return; |
| } |
| |
| if (!STR_IN_SET(NOBODY_GROUP_NAME, "nobody", "nfsnobody", "nogroup")) { |
| log_notice("Unsupported nobody group name '%s', skipping remaining tests in %s", NOBODY_GROUP_NAME, __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-runtimedirectory-owner-" NOBODY_GROUP_NAME ".service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_capabilityboundingset(Manager *m) { |
| int r; |
| |
| r = find_binary("capsh", NULL); |
| if (r < 0) { |
| log_notice_errno(r, "Skipping %s, could not find capsh binary: %m", __func__); |
| return; |
| } |
| |
| if (have_effective_cap(CAP_CHOWN) <= 0 || |
| have_effective_cap(CAP_FOWNER) <= 0 || |
| have_effective_cap(CAP_KILL) <= 0) { |
| log_notice("Skipping %s, this process does not have enough capabilities", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-capabilityboundingset-simple.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-capabilityboundingset-reset.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-capabilityboundingset-merge.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-capabilityboundingset-invert.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_basic(Manager *m) { |
| test(__func__, m, "exec-basic.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_ambientcapabilities(Manager *m) { |
| int r; |
| |
| /* Check if the kernel has support for ambient capabilities. Run |
| * the tests only if that's the case. Clearing all ambient |
| * capabilities is fine, since we are expecting them to be unset |
| * in the first place for the tests. */ |
| r = prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0); |
| if (r < 0 && IN_SET(errno, EINVAL, EOPNOTSUPP, ENOSYS)) { |
| log_notice("Skipping %s, the kernel does not support ambient capabilities", __func__); |
| return; |
| } |
| |
| if (have_effective_cap(CAP_CHOWN) <= 0 || |
| have_effective_cap(CAP_NET_RAW) <= 0) { |
| log_notice("Skipping %s, this process does not have enough capabilities", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-ambientcapabilities.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-ambientcapabilities-merge.service", 0, CLD_EXITED); |
| |
| if (!check_nobody_user_and_group()) { |
| log_notice("nobody user/group is not synthesized or may conflict to other entries, skipping remaining tests in %s", __func__); |
| return; |
| } |
| |
| if (!STR_IN_SET(NOBODY_USER_NAME, "nobody", "nfsnobody")) { |
| log_notice("Unsupported nobody user name '%s', skipping remaining tests in %s", NOBODY_USER_NAME, __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-ambientcapabilities-" NOBODY_USER_NAME ".service", 0, CLD_EXITED); |
| test(__func__, m, "exec-ambientcapabilities-merge-" NOBODY_USER_NAME ".service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_privatenetwork(Manager *m) { |
| int r; |
| |
| r = find_binary("ip", NULL); |
| if (r < 0) { |
| log_notice_errno(r, "Skipping %s, could not find ip binary: %m", __func__); |
| return; |
| } |
| |
| test(__func__, m, "exec-privatenetwork-yes.service", can_unshare ? 0 : EXIT_NETWORK, CLD_EXITED); |
| } |
| |
| static void test_exec_oomscoreadjust(Manager *m) { |
| test(__func__, m, "exec-oomscoreadjust-positive.service", 0, CLD_EXITED); |
| |
| if (detect_container() > 0) { |
| log_notice("Testing in container, skipping remaining tests in %s", __func__); |
| return; |
| } |
| test(__func__, m, "exec-oomscoreadjust-negative.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_ioschedulingclass(Manager *m) { |
| test(__func__, m, "exec-ioschedulingclass-none.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-ioschedulingclass-idle.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-ioschedulingclass-best-effort.service", 0, CLD_EXITED); |
| |
| if (detect_container() > 0) { |
| log_notice("Testing in container, skipping remaining tests in %s", __func__); |
| return; |
| } |
| test(__func__, m, "exec-ioschedulingclass-realtime.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_unsetenvironment(Manager *m) { |
| test(__func__, m, "exec-unsetenvironment.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_specifier(Manager *m) { |
| test(__func__, m, "exec-specifier.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-specifier@foo-bar.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-specifier-interpolation.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_standardinput(Manager *m) { |
| test(__func__, m, "exec-standardinput-data.service", 0, CLD_EXITED); |
| test(__func__, m, "exec-standardinput-file.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_standardoutput(Manager *m) { |
| test(__func__, m, "exec-standardoutput-file.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_standardoutput_append(Manager *m) { |
| test(__func__, m, "exec-standardoutput-append.service", 0, CLD_EXITED); |
| } |
| |
| static void test_exec_condition(Manager *m) { |
| test_service(__func__, m, "exec-condition-failed.service", SERVICE_FAILURE_EXIT_CODE); |
| test_service(__func__, m, "exec-condition-skip.service", SERVICE_SKIP_CONDITION); |
| } |
| |
| typedef struct test_entry { |
| test_function_t f; |
| const char *name; |
| } test_entry; |
| |
| #define entry(x) {x, #x} |
| |
| static int run_tests(UnitFileScope scope, const test_entry tests[], char **patterns) { |
| const test_entry *test = NULL; |
| _cleanup_(manager_freep) Manager *m = NULL; |
| int r; |
| |
| assert_se(tests); |
| |
| r = manager_new(scope, MANAGER_TEST_RUN_BASIC, &m); |
| if (MANAGER_SKIP_TEST(r)) |
| return log_tests_skipped_errno(r, "manager_new"); |
| assert_se(r >= 0); |
| assert_se(manager_startup(m, NULL, NULL) >= 0); |
| |
| for (test = tests; test && test->f; test++) |
| if (strv_fnmatch_or_empty(patterns, test->name, FNM_NOESCAPE)) |
| test->f(m); |
| else |
| log_info("Skipping %s because it does not match any pattern.", test->name); |
| |
| return 0; |
| } |
| |
| int main(int argc, char *argv[]) { |
| _cleanup_(rm_rf_physical_and_freep) char *runtime_dir = NULL; |
| _cleanup_free_ char *test_execute_path = NULL; |
| |
| static const test_entry user_tests[] = { |
| entry(test_exec_basic), |
| entry(test_exec_ambientcapabilities), |
| entry(test_exec_bindpaths), |
| entry(test_exec_capabilityboundingset), |
| entry(test_exec_condition), |
| entry(test_exec_cpuaffinity), |
| entry(test_exec_environment), |
| entry(test_exec_environmentfile), |
| entry(test_exec_group), |
| entry(test_exec_ignoresigpipe), |
| entry(test_exec_inaccessiblepaths), |
| entry(test_exec_ioschedulingclass), |
| entry(test_exec_oomscoreadjust), |
| entry(test_exec_passenvironment), |
| entry(test_exec_personality), |
| entry(test_exec_privatedevices), |
| entry(test_exec_privatenetwork), |
| entry(test_exec_privatetmp), |
| entry(test_exec_protecthome), |
| entry(test_exec_protectkernelmodules), |
| entry(test_exec_readonlypaths), |
| entry(test_exec_readwritepaths), |
| entry(test_exec_restrictnamespaces), |
| entry(test_exec_runtimedirectory), |
| entry(test_exec_standardinput), |
| entry(test_exec_standardoutput), |
| entry(test_exec_standardoutput_append), |
| entry(test_exec_supplementarygroups), |
| entry(test_exec_systemcallerrornumber), |
| entry(test_exec_systemcallfilter), |
| entry(test_exec_temporaryfilesystem), |
| entry(test_exec_umask), |
| entry(test_exec_unsetenvironment), |
| entry(test_exec_user), |
| entry(test_exec_workingdirectory), |
| {}, |
| }; |
| static const test_entry system_tests[] = { |
| entry(test_exec_dynamicuser), |
| entry(test_exec_specifier), |
| entry(test_exec_systemcallfilter_system), |
| {}, |
| }; |
| int r; |
| |
| test_setup_logging(LOG_DEBUG); |
| |
| #if HAS_FEATURE_ADDRESS_SANITIZER |
| if (is_run_on_travis_ci()) { |
| log_notice("Running on TravisCI under ASan, skipping, see https://github.com/systemd/systemd/issues/10696"); |
| return EXIT_TEST_SKIP; |
| } |
| #endif |
| |
| (void) unsetenv("USER"); |
| (void) unsetenv("LOGNAME"); |
| (void) unsetenv("SHELL"); |
| (void) unsetenv("HOME"); |
| |
| can_unshare = have_namespaces(); |
| |
| /* It is needed otherwise cgroup creation fails */ |
| if (getuid() != 0) |
| return log_tests_skipped("not root"); |
| |
| r = enter_cgroup_subroot(); |
| if (r == -ENOMEDIUM) |
| return log_tests_skipped("cgroupfs not available"); |
| |
| assert_se(runtime_dir = setup_fake_runtime_dir()); |
| test_execute_path = path_join(get_testdata_dir(), "test-execute"); |
| assert_se(set_unit_path(test_execute_path) >= 0); |
| |
| /* Unset VAR1, VAR2 and VAR3 which are used in the PassEnvironment test |
| * cases, otherwise (and if they are present in the environment), |
| * `manager_default_environment` will copy them into the default |
| * environment which is passed to each created job, which will make the |
| * tests that expect those not to be present to fail. |
| */ |
| assert_se(unsetenv("VAR1") == 0); |
| assert_se(unsetenv("VAR2") == 0); |
| assert_se(unsetenv("VAR3") == 0); |
| |
| r = run_tests(UNIT_FILE_USER, user_tests, argv + 1); |
| if (r != 0) |
| return r; |
| |
| r = run_tests(UNIT_FILE_SYSTEM, system_tests, argv + 1); |
| if (r != 0) |
| return r; |
| |
| #if HAVE_SECCOMP |
| /* The following tests are for 1beab8b0d0ff2d7d1436b52d4a0c3d56dc908962. */ |
| if (!is_seccomp_available()) { |
| log_notice("Seccomp not available, skipping unshare() filtered tests."); |
| return 0; |
| } |
| |
| _cleanup_hashmap_free_ Hashmap *s = NULL; |
| assert_se(s = hashmap_new(NULL)); |
| r = seccomp_syscall_resolve_name("unshare"); |
| assert_se(r != __NR_SCMP_ERROR); |
| assert_se(hashmap_put(s, UINT32_TO_PTR(r + 1), INT_TO_PTR(-1)) >= 0); |
| assert_se(seccomp_load_syscall_filter_set_raw(SCMP_ACT_ALLOW, s, SCMP_ACT_ERRNO(EOPNOTSUPP), true) >= 0); |
| assert_se(unshare(CLONE_NEWNS) < 0); |
| assert_se(errno == EOPNOTSUPP); |
| |
| can_unshare = false; |
| |
| r = run_tests(UNIT_FILE_USER, user_tests, argv + 1); |
| if (r != 0) |
| return r; |
| |
| return run_tests(UNIT_FILE_SYSTEM, system_tests, argv + 1); |
| #else |
| return 0; |
| #endif |
| } |