]> git.ipfire.org Git - thirdparty/systemd.git/blobdiff - src/test/test-execute.c
Merge pull request #7198 from poettering/stdin-stdout
[thirdparty/systemd.git] / src / test / test-execute.c
index 5645f5c086fc9e44668cbc940fdb7ad9a6691c0d..941c10a11eb7e87f62f41608af329b369ef7303b 100644 (file)
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: LGPL-2.1+ */
 /***
   This file is part of systemd.
 
@@ -23,6 +24,7 @@
 #include <sys/prctl.h>
 #include <sys/types.h>
 
+#include "errno-list.h"
 #include "fileio.h"
 #include "fs-util.h"
 #include "macro.h"
 #include "mkdir.h"
 #include "path-util.h"
 #include "rm-rf.h"
+#if HAVE_SECCOMP
+#include "seccomp-util.h"
+#endif
+#include "stat-util.h"
 #include "test-helper.h"
+#include "tests.h"
 #include "unit.h"
 #include "util.h"
+#include "virt.h"
 
 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_SEC;
+        usec_t timeout = 2 * USEC_PER_MINUTE;
 
         assert_se(m);
         assert_se(unit);
@@ -48,7 +56,7 @@ static void check(Manager *m, Unit *unit, int status_expected, int code_expected
         printf("%s\n", unit->id);
         exec_context_dump(&service->exec_context, stdout, "\t");
         ts = now(CLOCK_MONOTONIC);
-        while (service->state != SERVICE_DEAD && service->state != SERVICE_FAILED) {
+        while (!IN_SET(service->state, SERVICE_DEAD, SERVICE_FAILED)) {
                 int r;
                 usec_t n;
 
@@ -66,6 +74,24 @@ static void check(Manager *m, Unit *unit, int status_expected, int code_expected
         assert_se(service->main_exec_status.code == code_expected);
 }
 
+static bool is_inaccessible_available(void) {
+        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;
 
@@ -76,6 +102,16 @@ static void test(Manager *m, const char *unit_name, int status_expected, int cod
         check(m, unit, status_expected, code_expected);
 }
 
+static void test_exec_bind_paths(Manager *m) {
+        assert_se(mkdir_p("/tmp/test-exec_bind_paths", 0755) >= 0);
+        assert_se(mkdir_p("/tmp/test-exec_bind_readonly_paths", 0755) >= 0);
+
+        test(m, "exec-bind-paths.service", 0, CLD_EXITED);
+
+        (void) rm_rf("/tmp/test-exec_bind_paths", REMOVE_ROOT|REMOVE_PHYSICAL);
+        (void) rm_rf("/tmp/test-exec_bind_readonly_paths", REMOVE_ROOT|REMOVE_PHYSICAL);
+}
+
 static void test_exec_workingdirectory(Manager *m) {
         assert_se(mkdir_p("/tmp/test-exec_workingdirectory", 0755) >= 0);
 
@@ -91,6 +127,16 @@ static void test_exec_personality(Manager *m) {
 #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);
 #endif
@@ -111,46 +157,184 @@ static void test_exec_privatetmp(Manager *m) {
 }
 
 static void test_exec_privatedevices(Manager *m) {
+        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", 0, CLD_EXITED);
         test(m, "exec-privatedevices-no.service", 0, CLD_EXITED);
 }
 
+static void test_exec_privatedevices_capabilities(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;
+        }
+
+        /* 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_error_errno(r, "Skipping %s, could not find capsh binary: %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_error_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", 0, CLD_EXITED);
+}
+
+static void test_exec_readonlypaths(Manager *m) {
+
+        if (path_is_read_only_fs("/var") > 0)
+                return;
+
+        test(m, "exec-readonlypaths.service", 0, CLD_EXITED);
+        test(m, "exec-readonlypaths-mount-propagation.service", 0, CLD_EXITED);
+        test(m, "exec-readonlypaths-with-bindpaths.service", 0, CLD_EXITED);
+}
+
+static void test_exec_readwritepaths(Manager *m) {
+
+        if (path_is_read_only_fs("/") > 0)
+                return;
+
+        test(m, "exec-readwritepaths-mount-propagation.service", 0, CLD_EXITED);
+}
+
+static void test_exec_inaccessiblepaths(Manager *m) {
+
+        if (path_is_read_only_fs("/") > 0)
+                return;
+
+        test(m, "exec-inaccessiblepaths-mount-propagation.service", 0, CLD_EXITED);
+}
+
+static void test_exec_inaccessiblepaths_proc(Manager *m) {
+        if (!is_inaccessible_available()) {
+                log_notice("testing without inaccessible, skipping %s", __func__);
+                return;
+        }
+
+        test(m, "exec-inaccessiblepaths-proc.service", 0, CLD_EXITED);
+}
+
 static void test_exec_systemcallfilter(Manager *m) {
-#ifdef HAVE_SECCOMP
+#if HAVE_SECCOMP
+        if (!is_seccomp_available())
+                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);
+        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);
+
 #endif
 }
 
 static void test_exec_systemcallerrornumber(Manager *m) {
-#ifdef HAVE_SECCOMP
-        test(m, "exec-systemcallerrornumber.service", 1, CLD_EXITED);
+#if HAVE_SECCOMP
+        if (!is_seccomp_available())
+                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_restrict_namespaces(Manager *m) {
+#if HAVE_SECCOMP
+        if (!is_seccomp_available())
+                return;
+
+        test(m, "exec-restrict-namespaces-no.service", 0, CLD_EXITED);
+        test(m, "exec-restrict-namespaces-yes.service", 1, CLD_EXITED);
+        test(m, "exec-restrict-namespaces-mnt.service", 0, CLD_EXITED);
+        test(m, "exec-restrict-namespaces-mnt-blacklist.service", 1, CLD_EXITED);
 #endif
 }
 
 static void test_exec_systemcall_system_mode_with_user(Manager *m) {
-#ifdef HAVE_SECCOMP
+#if HAVE_SECCOMP
+        if (!is_seccomp_available())
+                return;
         if (getpwnam("nobody"))
                 test(m, "exec-systemcallfilter-system-user.service", 0, CLD_EXITED);
+        else if (getpwnam("nfsnobody"))
+                test(m, "exec-systemcallfilter-system-user-nfsnobody.service", 0, CLD_EXITED);
         else
-                log_error_errno(errno, "Skipping test_exec_systemcall_system_mode_with_user, could not find nobody user: %m");
+                log_error_errno(errno, "Skipping %s, could not find nobody/nfsnobody user: %m", __func__);
 #endif
 }
 
 static void test_exec_user(Manager *m) {
         if (getpwnam("nobody"))
                 test(m, "exec-user.service", 0, CLD_EXITED);
+        else if (getpwnam("nfsnobody"))
+                test(m, "exec-user-nfsnobody.service", 0, CLD_EXITED);
         else
-                log_error_errno(errno, "Skipping test_exec_user, could not find nobody user: %m");
+                log_error_errno(errno, "Skipping %s, could not find nobody/nfsnobody user: %m", __func__);
 }
 
 static void test_exec_group(Manager *m) {
         if (getgrnam("nobody"))
                 test(m, "exec-group.service", 0, CLD_EXITED);
+        else if (getgrnam("nfsnobody"))
+                test(m, "exec-group-nfsnobody.service", 0, CLD_EXITED);
         else
-                log_error_errno(errno, "Skipping test_exec_group, could not find nobody group: %m");
+                log_error_errno(errno, "Skipping %s, could not find nobody/nfsnobody group: %m", __func__);
+}
+
+static void test_exec_supplementary_groups(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_dynamic_user(Manager *m) {
+        test(m, "exec-dynamicuser-fixeduser.service", 0, CLD_EXITED);
+        test(m, "exec-dynamicuser-fixeduser-one-supplementarygroup.service", 0, CLD_EXITED);
+        test(m, "exec-dynamicuser-supplementarygroups.service", 0, CLD_EXITED);
+        test(m, "exec-dynamicuser-state-dir.service", 0, CLD_EXITED);
 }
 
 static void test_exec_environment(Manager *m) {
@@ -213,18 +397,18 @@ static void test_exec_runtimedirectory(Manager *m) {
         test(m, "exec-runtimedirectory-mode.service", 0, CLD_EXITED);
         if (getgrnam("nobody"))
                 test(m, "exec-runtimedirectory-owner.service", 0, CLD_EXITED);
+        else if (getgrnam("nfsnobody"))
+                test(m, "exec-runtimedirectory-owner-nfsnobody.service", 0, CLD_EXITED);
         else
-                log_error_errno(errno, "Skipping test_exec_runtimedirectory-owner, could not find nobody group: %m");
+                log_error_errno(errno, "Skipping %s, could not find nobody/nfsnobody group: %m", __func__);
 }
 
 static void test_exec_capabilityboundingset(Manager *m) {
         int r;
 
-        /* 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_error_errno(r, "Skipping test_exec_capabilityboundingset, could not find capsh binary: %m");
+                log_error_errno(r, "Skipping %s, could not find capsh binary: %m", __func__);
                 return;
         }
 
@@ -243,9 +427,16 @@ static void test_exec_capabilityambientset(Manager *m) {
          * in the first place for the tests. */
         r = prctl(PR_CAP_AMBIENT, PR_CAP_AMBIENT_CLEAR_ALL, 0, 0, 0);
         if (r >= 0 || errno != EINVAL) {
-                test(m, "exec-capabilityambientset.service", 0, CLD_EXITED);
-                test(m, "exec-capabilityambientset-merge.service", 0, CLD_EXITED);
-        }
+                if (getpwnam("nobody")) {
+                        test(m, "exec-capabilityambientset.service", 0, CLD_EXITED);
+                        test(m, "exec-capabilityambientset-merge.service", 0, CLD_EXITED);
+                } else if (getpwnam("nfsnobody")) {
+                        test(m, "exec-capabilityambientset-nfsnobody.service", 0, CLD_EXITED);
+                        test(m, "exec-capabilityambientset-merge-nfsnobody.service", 0, CLD_EXITED);
+                } else
+                        log_error_errno(errno, "Skipping %s, could not find nobody/nfsnobody user: %m", __func__);
+        } else
+                log_error_errno(errno, "Skipping %s, the kernel does not support ambient capabilities: %m", __func__);
 }
 
 static void test_exec_privatenetwork(Manager *m) {
@@ -253,7 +444,7 @@ static void test_exec_privatenetwork(Manager *m) {
 
         r = find_binary("ip", NULL);
         if (r < 0) {
-                log_error_errno(r, "Skipping test_exec_privatenetwork, could not find ip binary: %m");
+                log_error_errno(r, "Skipping %s, could not find ip binary: %m", __func__);
                 return;
         }
 
@@ -276,16 +467,36 @@ static void test_exec_spec_interpolation(Manager *m) {
         test(m, "exec-spec-interpolation.service", 0, CLD_EXITED);
 }
 
-static int run_tests(ManagerRunningAs running_as, test_function_t *tests) {
-        test_function_t *test = NULL;
+static void test_exec_read_only_path_suceed(Manager *m) {
+        test(m, "exec-read-only-path-succeed.service", 0, CLD_EXITED);
+}
+
+static void test_exec_unset_environment(Manager *m) {
+        test(m, "exec-unset-environment.service", 0, CLD_EXITED);
+}
+
+static void test_exec_specifier(Manager *m) {
+        test(m, "exec-specifier.service", 0, CLD_EXITED);
+}
+
+static void test_exec_stdin_data(Manager *m) {
+        test(m, "exec-stdin-data.service", 0, CLD_EXITED);
+}
+
+static void test_exec_stdio_file(Manager *m) {
+        test(m, "exec-stdio-file.service", 0, CLD_EXITED);
+}
+
+static int run_tests(UnitFileScope scope, const test_function_t *tests) {
+        const test_function_t *test = NULL;
         Manager *m = NULL;
         int r;
 
         assert_se(tests);
 
-        r = manager_new(running_as, true, &m);
+        r = manager_new(scope, MANAGER_TEST_RUN_MINIMAL, &m);
         if (MANAGER_SKIP_TEST(r)) {
-                printf("Skipping test: manager_new: %s\n", strerror(-r));
+                log_notice_errno(r, "Skipping test: manager_new: %m");
                 return EXIT_TEST_SKIP;
         }
         assert_se(r >= 0);
@@ -300,17 +511,26 @@ static int run_tests(ManagerRunningAs running_as, test_function_t *tests) {
 }
 
 int main(int argc, char *argv[]) {
-        test_function_t user_tests[] = {
+        static const test_function_t user_tests[] = {
+                test_exec_bind_paths,
                 test_exec_workingdirectory,
                 test_exec_personality,
                 test_exec_ignoresigpipe,
                 test_exec_privatetmp,
                 test_exec_privatedevices,
+                test_exec_privatedevices_capabilities,
+                test_exec_protectkernelmodules,
+                test_exec_readonlypaths,
+                test_exec_readwritepaths,
+                test_exec_inaccessiblepaths,
+                test_exec_inaccessiblepaths_proc,
                 test_exec_privatenetwork,
                 test_exec_systemcallfilter,
                 test_exec_systemcallerrornumber,
+                test_exec_restrict_namespaces,
                 test_exec_user,
                 test_exec_group,
+                test_exec_supplementary_groups,
                 test_exec_environment,
                 test_exec_environmentfile,
                 test_exec_passenvironment,
@@ -321,25 +541,38 @@ int main(int argc, char *argv[]) {
                 test_exec_oomscoreadjust,
                 test_exec_ioschedulingclass,
                 test_exec_spec_interpolation,
+                test_exec_read_only_path_suceed,
+                test_exec_unset_environment,
+                test_exec_stdin_data,
+                test_exec_stdio_file,
                 NULL,
         };
-        test_function_t system_tests[] = {
+        static const test_function_t system_tests[] = {
                 test_exec_systemcall_system_mode_with_user,
+                test_exec_dynamic_user,
+                test_exec_specifier,
                 NULL,
         };
         int r;
 
+        log_set_max_level(LOG_DEBUG);
         log_parse_environment();
         log_open();
 
         /* It is needed otherwise cgroup creation fails */
         if (getuid() != 0) {
-                printf("Skipping test: not root\n");
+                puts("Skipping test: not root");
+                return EXIT_TEST_SKIP;
+        }
+
+        r = enter_cgroup_subroot();
+        if (r == -ENOMEDIUM) {
+                puts("Skipping test: cgroupfs not available");
                 return EXIT_TEST_SKIP;
         }
 
         assert_se(setenv("XDG_RUNTIME_DIR", "/tmp/", 1) == 0);
-        assert_se(set_unit_path(TEST_DIR "/test-execute/") >= 0);
+        assert_se(set_unit_path(get_testdata_dir("/test-execute")) >= 0);
 
         /* Unset VAR1, VAR2 and VAR3 which are used in the PassEnvironment test
          * cases, otherwise (and if they are present in the environment),
@@ -351,9 +584,9 @@ int main(int argc, char *argv[]) {
         assert_se(unsetenv("VAR2") == 0);
         assert_se(unsetenv("VAR3") == 0);
 
-        r = run_tests(MANAGER_USER, user_tests);
+        r = run_tests(UNIT_FILE_USER, user_tests);
         if (r != 0)
                 return r;
 
-        return run_tests(MANAGER_SYSTEM, system_tests);
+        return run_tests(UNIT_FILE_SYSTEM, system_tests);
 }