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-rw-r--r--src/test/test-execute.c832
1 files changed, 832 insertions, 0 deletions
diff --git a/src/test/test-execute.c b/src/test/test-execute.c
new file mode 100644
index 0000000..eb8f7c4
--- /dev/null
+++ b/src/test/test-execute.c
@@ -0,0 +1,832 @@
+/* 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 void check(Manager *m, Unit *unit, int status_expected, int code_expected) {
+ 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);
+ }
+ }
+ exec_status_dump(&service->main_exec_status, stdout, "\t");
+ assert_se(service->main_exec_status.status == status_expected);
+ assert_se(service->main_exec_status.code == code_expected);
+}
+
+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(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(m, unit, status_expected, code_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(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_free_ cpu_set_t *c = NULL;
+ unsigned n;
+
+ assert_se(c = cpu_set_malloc(&n));
+ assert_se(sched_getaffinity(0, CPU_ALLOC_SIZE(n), c) >= 0);
+
+ if (CPU_ISSET_S(0, CPU_ALLOC_SIZE(n), c) == 0) {
+ log_notice("Cannot use CPU 0, skipping %s", __func__);
+ return;
+ }
+
+ test(m, "exec-cpuaffinity1.service", 0, CLD_EXITED);
+ test(m, "exec-cpuaffinity2.service", 0, CLD_EXITED);
+
+ if (CPU_ISSET_S(1, CPU_ALLOC_SIZE(n), c) == 0 ||
+ CPU_ISSET_S(2, CPU_ALLOC_SIZE(n), c) == 0) {
+ log_notice("Cannot use CPU 1 or 2, skipping remaining tests in %s", __func__);
+ return;
+ }
+
+ test(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(m, "exec-workingdirectory.service", 0, CLD_EXITED);
+ test(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(m, "exec-personality-x86-64.service", 0, CLD_EXITED);
+
+#elif defined(__s390__)
+ test(m, "exec-personality-s390.service", 0, CLD_EXITED);
+
+#elif defined(__powerpc64__)
+# if __BYTE_ORDER == __BIG_ENDIAN
+ test(m, "exec-personality-ppc64.service", 0, CLD_EXITED);
+# else
+ test(m, "exec-personality-ppc64le.service", 0, CLD_EXITED);
+# endif
+
+#elif defined(__aarch64__)
+ test(m, "exec-personality-aarch64.service", 0, CLD_EXITED);
+
+#elif defined(__i386__)
+ test(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(m, "exec-ignoresigpipe-yes.service", 0, CLD_EXITED);
+ test(m, "exec-ignoresigpipe-no.service", SIGPIPE, CLD_KILLED);
+}
+
+static void test_exec_privatetmp(Manager *m) {
+ assert_se(touch("/tmp/test-exec_privatetmp") >= 0);
+
+ test(m, "exec-privatetmp-yes.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED);
+ test(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(m, "exec-privatedevices-yes.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED);
+ test(m, "exec-privatedevices-no.service", 0, CLD_EXITED);
+ test(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(m, "exec-privatedevices-yes-capability-mknod.service", 0, CLD_EXITED);
+ test(m, "exec-privatedevices-no-capability-mknod.service", 0, CLD_EXITED);
+ test(m, "exec-privatedevices-yes-capability-sys-rawio.service", 0, CLD_EXITED);
+ test(m, "exec-privatedevices-no-capability-sys-rawio.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(m, "exec-protectkernelmodules-no-capabilities.service", 0, CLD_EXITED);
+ test(m, "exec-protectkernelmodules-yes-capabilities.service", 0, CLD_EXITED);
+ test(m, "exec-protectkernelmodules-yes-mount-propagation.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED);
+}
+
+static void test_exec_readonlypaths(Manager *m) {
+
+ test(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(m, "exec-readonlypaths.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED);
+ test(m, "exec-readonlypaths-with-bindpaths.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED);
+ test(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(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(m, "exec-inaccessiblepaths-proc.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(m, "exec-inaccessiblepaths-mount-propagation.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED);
+}
+
+static void test_exec_temporaryfilesystem(Manager *m) {
+
+ test(m, "exec-temporaryfilesystem-options.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED);
+ test(m, "exec-temporaryfilesystem-ro.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED);
+ test(m, "exec-temporaryfilesystem-rw.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED);
+ test(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(m, "exec-systemcallfilter-not-failing.service", 0, CLD_EXITED);
+ test(m, "exec-systemcallfilter-not-failing2.service", 0, CLD_EXITED);
+ test(m, "exec-systemcallfilter-failing.service", SIGSYS, CLD_KILLED);
+ test(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(m, "exec-systemcallfilter-with-errno-name.service", errno_from_name("EILSEQ"), CLD_EXITED);
+ test(m, "exec-systemcallfilter-with-errno-number.service", 255, CLD_EXITED);
+ test(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(m, "exec-systemcallerrornumber-name.service", errno_from_name("EACCES"), CLD_EXITED);
+ test(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(m, "exec-restrictnamespaces-no.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED);
+ test(m, "exec-restrictnamespaces-yes.service", 1, CLD_EXITED);
+ test(m, "exec-restrictnamespaces-mnt.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED);
+ test(m, "exec-restrictnamespaces-mnt-blacklist.service", 1, CLD_EXITED);
+ test(m, "exec-restrictnamespaces-merge-and.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED);
+ test(m, "exec-restrictnamespaces-merge-or.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED);
+ test(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(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(m, "exec-systemcallfilter-system-user-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
+#endif
+}
+
+static void test_exec_user(Manager *m) {
+ test(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(m, "exec-user-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
+}
+
+static void test_exec_group(Manager *m) {
+ test(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(m, "exec-group-" NOBODY_GROUP_NAME ".service", 0, CLD_EXITED);
+}
+
+static void test_exec_supplementarygroups(Manager *m) {
+ test(m, "exec-supplementarygroups.service", 0, CLD_EXITED);
+ test(m, "exec-supplementarygroups-single-group.service", 0, CLD_EXITED);
+ test(m, "exec-supplementarygroups-single-group-user.service", 0, CLD_EXITED);
+ test(m, "exec-supplementarygroups-multiple-groups-default-group-user.service", 0, CLD_EXITED);
+ test(m, "exec-supplementarygroups-multiple-groups-withgid.service", 0, CLD_EXITED);
+ test(m, "exec-supplementarygroups-multiple-groups-withuid.service", 0, CLD_EXITED);
+}
+
+static void test_exec_dynamicuser(Manager *m) {
+
+ test(m, "exec-dynamicuser-fixeduser.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED);
+ if (check_user_has_group_with_same_name("adm"))
+ test(m, "exec-dynamicuser-fixeduser-adm.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED);
+ if (check_user_has_group_with_same_name("games"))
+ test(m, "exec-dynamicuser-fixeduser-games.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED);
+ test(m, "exec-dynamicuser-fixeduser-one-supplementarygroup.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED);
+ test(m, "exec-dynamicuser-supplementarygroups.service", can_unshare ? 0 : EXIT_NAMESPACE, CLD_EXITED);
+ test(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(m, "exec-dynamicuser-statedir-migrate-step1.service", 0, CLD_EXITED);
+ test(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(m, "exec-environment.service", 0, CLD_EXITED);
+ test(m, "exec-environment-multiple.service", 0, CLD_EXITED);
+ test(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='$word 5 6'\n"
+ "VAR4='new\nline'\n"
+ "VAR5=password\\with\\backslashes";
+ int r;
+
+ r = write_string_file("/tmp/test-exec_environmentfile.conf", e, WRITE_STRING_FILE_CREATE);
+ assert_se(r == 0);
+
+ test(m, "exec-environmentfile.service", 0, CLD_EXITED);
+
+ (void) unlink("/tmp/test-exec_environmentfile.conf");
+}
+
+static void test_exec_passenvironment(Manager *m) {
+ /* test-execute runs under MANAGER_USER which, by default, forwards all
+ * variables present in the environment, but only those that are
+ * present _at the time it is created_!
+ *
+ * So these PassEnvironment checks are still expected to work, since we
+ * are ensuring the variables are not present at manager creation (they
+ * are unset explicitly in main) and are only set here.
+ *
+ * This is still a good approximation of how a test for MANAGER_SYSTEM
+ * would work.
+ */
+ assert_se(setenv("VAR1", "word1 word2", 1) == 0);
+ assert_se(setenv("VAR2", "word3", 1) == 0);
+ assert_se(setenv("VAR3", "$word 5 6", 1) == 0);
+ assert_se(setenv("VAR4", "new\nline", 1) == 0);
+ assert_se(setenv("VAR5", "passwordwithbackslashes", 1) == 0);
+ test(m, "exec-passenvironment.service", 0, CLD_EXITED);
+ test(m, "exec-passenvironment-repeated.service", 0, CLD_EXITED);
+ test(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(m, "exec-passenvironment-absent.service", 0, CLD_EXITED);
+}
+
+static void test_exec_umask(Manager *m) {
+ test(m, "exec-umask-default.service", 0, CLD_EXITED);
+ test(m, "exec-umask-0177.service", 0, CLD_EXITED);
+}
+
+static void test_exec_runtimedirectory(Manager *m) {
+ test(m, "exec-runtimedirectory.service", 0, CLD_EXITED);
+ test(m, "exec-runtimedirectory-mode.service", 0, CLD_EXITED);
+ test(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(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(m, "exec-capabilityboundingset-simple.service", 0, CLD_EXITED);
+ test(m, "exec-capabilityboundingset-reset.service", 0, CLD_EXITED);
+ test(m, "exec-capabilityboundingset-merge.service", 0, CLD_EXITED);
+ test(m, "exec-capabilityboundingset-invert.service", 0, CLD_EXITED);
+}
+
+static void test_exec_basic(Manager *m) {
+ test(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(m, "exec-ambientcapabilities.service", 0, CLD_EXITED);
+ test(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(m, "exec-ambientcapabilities-" NOBODY_USER_NAME ".service", 0, CLD_EXITED);
+ test(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(m, "exec-privatenetwork-yes.service", can_unshare ? 0 : EXIT_NETWORK, CLD_EXITED);
+}
+
+static void test_exec_oomscoreadjust(Manager *m) {
+ test(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(m, "exec-oomscoreadjust-negative.service", 0, CLD_EXITED);
+}
+
+static void test_exec_ioschedulingclass(Manager *m) {
+ test(m, "exec-ioschedulingclass-none.service", 0, CLD_EXITED);
+ test(m, "exec-ioschedulingclass-idle.service", 0, CLD_EXITED);
+ test(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(m, "exec-ioschedulingclass-realtime.service", 0, CLD_EXITED);
+}
+
+static void test_exec_unsetenvironment(Manager *m) {
+ test(m, "exec-unsetenvironment.service", 0, CLD_EXITED);
+}
+
+static void test_exec_specifier(Manager *m) {
+ test(m, "exec-specifier.service", 0, CLD_EXITED);
+ test(m, "exec-specifier@foo-bar.service", 0, CLD_EXITED);
+ test(m, "exec-specifier-interpolation.service", 0, CLD_EXITED);
+}
+
+static void test_exec_standardinput(Manager *m) {
+ test(m, "exec-standardinput-data.service", 0, CLD_EXITED);
+ test(m, "exec-standardinput-file.service", 0, CLD_EXITED);
+}
+
+static void test_exec_standardoutput(Manager *m) {
+ test(m, "exec-standardoutput-file.service", 0, CLD_EXITED);
+}
+
+static void test_exec_standardoutput_append(Manager *m) {
+ test(m, "exec-standardoutput-append.service", 0, CLD_EXITED);
+}
+
+static int run_tests(UnitFileScope scope, const test_function_t *tests) {
+ const test_function_t *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; test++)
+ (*test)(m);
+
+ 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;
+ _cleanup_hashmap_free_ Hashmap *s = NULL;
+ static const test_function_t user_tests[] = {
+ test_exec_basic,
+ test_exec_ambientcapabilities,
+ test_exec_bindpaths,
+ test_exec_capabilityboundingset,
+ test_exec_cpuaffinity,
+ test_exec_environment,
+ test_exec_environmentfile,
+ test_exec_group,
+ test_exec_ignoresigpipe,
+ test_exec_inaccessiblepaths,
+ test_exec_ioschedulingclass,
+ test_exec_oomscoreadjust,
+ test_exec_passenvironment,
+ test_exec_personality,
+ test_exec_privatedevices,
+ test_exec_privatenetwork,
+ test_exec_privatetmp,
+ test_exec_protectkernelmodules,
+ test_exec_readonlypaths,
+ test_exec_readwritepaths,
+ test_exec_restrictnamespaces,
+ test_exec_runtimedirectory,
+ test_exec_standardinput,
+ test_exec_standardoutput,
+ test_exec_standardoutput_append,
+ test_exec_supplementarygroups,
+ test_exec_systemcallerrornumber,
+ test_exec_systemcallfilter,
+ test_exec_temporaryfilesystem,
+ test_exec_umask,
+ test_exec_unsetenvironment,
+ test_exec_user,
+ test_exec_workingdirectory,
+ NULL,
+ };
+ static const test_function_t system_tests[] = {
+ test_exec_dynamicuser,
+ test_exec_specifier,
+ test_exec_systemcallfilter_system,
+ NULL,
+ };
+ 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);
+ if (r != 0)
+ return r;
+
+ r = run_tests(UNIT_FILE_SYSTEM, system_tests);
+ 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;
+ }
+
+ 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);
+ if (r != 0)
+ return r;
+
+ return run_tests(UNIT_FILE_SYSTEM, system_tests);
+#else
+ return 0;
+#endif
+}