mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-29 05:44:11 +00:00
Code Issues Releases Wiki Activity

selftests/landlock: Add tests to check unknown rule's access rights

Browse source 
Add two tests to make sure that we cannot add a rule with access
rights that are unknown:
* fs: layout0.rule_with_unknown_access
* net: mini.rule_with_unknown_access

Rename unknown_access_rights tests to ruleset_with_unknown_access .

Cc: Konstantin Meskhidze <konstantin.meskhidze@huawei.com>
Reviewed-by: Günther Noack <gnoack@google.com>
Link: https://lore.kernel.org/r/20231130093616.67340-2-mic@digikod.net
Signed-off-by: Mickaël Salaün <mic@digikod.net>
This commit is contained in:
Mickaël Salaün 2023-11-30 10:36:15 +01:00
parent b85ea95d08
commit 6471c9c4c4
No known key found for this signature in database
GPG key ID: E5E3D0E88C82F6D2
2 changed files with 54 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

29
tools/testing/selftests/landlock/fs_test.c
View file

@ -589,7 +589,7 @@ TEST_F_FORK(layout1, file_and_dir_access_rights)
ASSERT_EQ(0, close(ruleset_fd));
}
TEST_F_FORK(layout0, unknown_access_rights)
TEST_F_FORK(layout0, ruleset_with_unknown_access)
{
__u64 access_mask;
@ -605,6 +605,33 @@ TEST_F_FORK(layout0, unknown_access_rights)
}
}
TEST_F_FORK(layout0, rule_with_unknown_access)
{
__u64 access;
struct landlock_path_beneath_attr path_beneath = {};
const struct landlock_ruleset_attr ruleset_attr = {
.handled_access_fs = ACCESS_ALL,
};
const int ruleset_fd =
landlock_create_ruleset(&ruleset_attr, sizeof(ruleset_attr), 0);
ASSERT_LE(0, ruleset_fd);
path_beneath.parent_fd =
open(TMP_DIR, O_PATH | O_DIRECTORY | O_CLOEXEC);
ASSERT_LE(0, path_beneath.parent_fd);
for (access = 1ULL << 63; access != ACCESS_LAST; access >>= 1) {
path_beneath.allowed_access = access;
EXPECT_EQ(-1, landlock_add_rule(ruleset_fd,
LANDLOCK_RULE_PATH_BENEATH,
&path_beneath, 0));
EXPECT_EQ(EINVAL, errno);
}
ASSERT_EQ(0, close(path_beneath.parent_fd));
ASSERT_EQ(0, close(ruleset_fd));
}
static void add_path_beneath(struct __test_metadata *const _metadata,
const int ruleset_fd, const __u64 allowed_access,
const char *const path)

27
tools/testing/selftests/landlock/net_test.c
View file

@ -1260,7 +1260,7 @@ TEST_F(mini, network_access_rights)
}
/* Checks invalid attribute, out of landlock network access range. */
TEST_F(mini, unknown_access_rights)
TEST_F(mini, ruleset_with_unknown_access)
{
__u64 access_mask;
@ -1276,6 +1276,31 @@ TEST_F(mini, unknown_access_rights)
}
}
TEST_F(mini, rule_with_unknown_access)
{
const struct landlock_ruleset_attr ruleset_attr = {
.handled_access_net = ACCESS_ALL,
};
struct landlock_net_port_attr net_port = {
.port = sock_port_start,
};
int ruleset_fd;
__u64 access;
ruleset_fd =
landlock_create_ruleset(&ruleset_attr, sizeof(ruleset_attr), 0);
ASSERT_LE(0, ruleset_fd);
for (access = 1ULL << 63; access != ACCESS_LAST; access >>= 1) {
net_port.allowed_access = access;
EXPECT_EQ(-1,
landlock_add_rule(ruleset_fd, LANDLOCK_RULE_NET_PORT,
&net_port, 0));
EXPECT_EQ(EINVAL, errno);
}
EXPECT_EQ(0, close(ruleset_fd));
}
TEST_F(mini, inval)
{
const struct landlock_ruleset_attr ruleset_attr = {