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test-execute: also tests under the condition that unshare() is filtered

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This is mainly for testing 1beab8b0d0ff2d7d1436b52d4a0c3d56dc908962.
This commit is contained in:
Yu Watanabe 2018-09-19 14:17:29 +09:00 committed by Zbigniew Jędrzejewski-Szmek
parent 7bcf8123c0
commit b7172f3471
3 changed files with 63 additions and 31 deletions
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90
src/test/test-execute.c
View File

@ -28,6 +28,8 @@
#include "util.h"
#include "virt.h"
static bool can_unshare = true;
typedef void (*test_function_t)(Manager *m);
static void check(Manager *m, Unit *unit, int status_expected, int code_expected) {
@ -156,7 +158,7 @@ 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", 0, CLD_EXITED);
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);
@ -227,7 +229,7 @@ static void test_exec_ignoresigpipe(Manager *m) {
static void test_exec_privatetmp(Manager *m) {
assert_se(touch("/tmp/test-exec_privatetmp") >= 0);
test(m, "exec-privatetmp-yes.service", 0, CLD_EXITED);
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");
@ -245,9 +247,9 @@ static void test_exec_privatedevices(Manager *m) {
return;
}
test(m, "exec-privatedevices-yes.service", 0, CLD_EXITED);
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", 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 */
@ -283,21 +285,21 @@ static void test_exec_protectkernelmodules(Manager *m) {
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);
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", 0, CLD_EXITED);
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", 0, CLD_EXITED);
test(m, "exec-readonlypaths-mount-propagation.service", 0, CLD_EXITED);
test(m, "exec-readonlypaths-with-bindpaths.service", 0, CLD_EXITED);
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) {
@ -307,7 +309,7 @@ static void test_exec_readwritepaths(Manager *m) {
return;
}
test(m, "exec-readwritepaths-mount-propagation.service", 0, CLD_EXITED);
test(m, "exec-readwritepaths-mount-propagation.service", can_unshare ? 0 : EXIT_FAILURE, CLD_EXITED);
}
static void test_exec_inaccessiblepaths(Manager *m) {
@ -317,22 +319,22 @@ static void test_exec_inaccessiblepaths(Manager *m) {
return;
}
test(m, "exec-inaccessiblepaths-proc.service", 0, CLD_EXITED);
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", 0, CLD_EXITED);
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", 0, CLD_EXITED);
test(m, "exec-temporaryfilesystem-ro.service", 0, CLD_EXITED);
test(m, "exec-temporaryfilesystem-rw.service", 0, CLD_EXITED);
test(m, "exec-temporaryfilesystem-usr.service", 0, CLD_EXITED);
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) {
@ -387,13 +389,13 @@ static void test_exec_restrictnamespaces(Manager *m) {
return;
}
test(m, "exec-restrictnamespaces-no.service", 0, CLD_EXITED);
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", 0, 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", 0, CLD_EXITED);
test(m, "exec-restrictnamespaces-merge-or.service", 0, CLD_EXITED);
test(m, "exec-restrictnamespaces-merge-all.service", 0, 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
}
@ -462,14 +464,15 @@ static void test_exec_supplementarygroups(Manager *m) {
}
static void test_exec_dynamicuser(Manager *m) {
test(m, "exec-dynamicuser-fixeduser.service", 0, CLD_EXITED);
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", 0, CLD_EXITED);
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", 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-statedir.service", 0, CLD_EXITED);
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);
@ -477,7 +480,7 @@ static void test_exec_dynamicuser(Manager *m) {
(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", 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);
@ -635,7 +638,7 @@ static void test_exec_privatenetwork(Manager *m) {
return;
}
test(m, "exec-privatenetwork-yes.service", 0, CLD_EXITED);
test(m, "exec-privatenetwork-yes.service", can_unshare ? 0 : EXIT_NETWORK, CLD_EXITED);
}
static void test_exec_oomscoreadjust(Manager *m) {
@ -705,6 +708,7 @@ static int run_tests(UnitFileScope scope, const test_function_t *tests) {
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,
@ -777,9 +781,37 @@ int main(int argc, char *argv[]) {
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
}

2
test/test-execute/exec-umask-0177.service
View File

@ -2,7 +2,7 @@
Description=Test for UMask
[Service]
ExecStart=/bin/sh -x -c 'touch /tmp/test-exec-umask; mode=$$(stat -c %%a /tmp/test-exec-umask); test "$$mode" = "600"'
ExecStart=/bin/sh -x -c 'rm /tmp/test-exec-umask; touch /tmp/test-exec-umask; mode=$$(stat -c %%a /tmp/test-exec-umask); test "$$mode" = "600"'
Type=oneshot
UMask=0177
PrivateTmp=yes

2
test/test-execute/exec-umask-default.service
View File

@ -2,6 +2,6 @@
Description=Test for UMask default
[Service]
ExecStart=/bin/sh -x -c 'touch /tmp/test-exec-umask; mode=$$(stat -c %%a /tmp/test-exec-umask); test "$$mode" = "644"'
ExecStart=/bin/sh -x -c 'rm /tmp/test-exec-umask; touch /tmp/test-exec-umask; mode=$$(stat -c %%a /tmp/test-exec-umask); test "$$mode" = "644"'
Type=oneshot
PrivateTmp=yes