diff options
author | Mickaël Salaün <mic@digikod.net> | 2023-06-12 22:14:28 +0300 |
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committer | Mickaël Salaün <mic@digikod.net> | 2023-06-12 22:26:22 +0300 |
commit | 55ab3fbe8333148e9c21477ffdc4edbe1f568f55 (patch) | |
tree | 2699ffc31f1e371c4908a60024ce75e26a366ecc /tools/testing/selftests | |
parent | 3de64b656b3c827d7d194558b0ae3a09400b116d (diff) | |
download | linux-55ab3fbe8333148e9c21477ffdc4edbe1f568f55.tar.xz |
selftests/landlock: Make mounts configurable
Add a new struct mnt_opt to define a mount point with the mount_opt()
helper. This doesn't change tests but prepare for the next commit.
Link: https://lore.kernel.org/r/20230612191430.339153-5-mic@digikod.net
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Diffstat (limited to 'tools/testing/selftests')
-rw-r--r-- | tools/testing/selftests/landlock/fs_test.c | 45 |
1 files changed, 40 insertions, 5 deletions
diff --git a/tools/testing/selftests/landlock/fs_test.c b/tools/testing/selftests/landlock/fs_test.c index c1e655fc06bb..737047a81547 100644 --- a/tools/testing/selftests/landlock/fs_test.c +++ b/tools/testing/selftests/landlock/fs_test.c @@ -213,7 +213,26 @@ out: return err; } -static void prepare_layout(struct __test_metadata *const _metadata) +struct mnt_opt { + const char *const source; + const char *const type; + const unsigned long flags; + const char *const data; +}; + +const struct mnt_opt mnt_tmp = { + .type = "tmpfs", + .data = "size=4m,mode=700", +}; + +static int mount_opt(const struct mnt_opt *const mnt, const char *const target) +{ + return mount(mnt->source ?: mnt->type, target, mnt->type, mnt->flags, + mnt->data); +} + +static void prepare_layout_opt(struct __test_metadata *const _metadata, + const struct mnt_opt *const mnt) { disable_caps(_metadata); umask(0077); @@ -225,11 +244,27 @@ static void prepare_layout(struct __test_metadata *const _metadata) */ set_cap(_metadata, CAP_SYS_ADMIN); ASSERT_EQ(0, unshare(CLONE_NEWNS)); - ASSERT_EQ(0, mount("tmp", TMP_DIR, "tmpfs", 0, "size=4m,mode=700")); + ASSERT_EQ(0, mount_opt(mnt, TMP_DIR)) + { + TH_LOG("Failed to mount the %s filesystem: %s", mnt->type, + strerror(errno)); + /* + * FIXTURE_TEARDOWN() is not called when FIXTURE_SETUP() + * failed, so we need to explicitly do a minimal cleanup to + * avoid cascading errors with other tests that don't depend on + * the same filesystem. + */ + remove_path(TMP_DIR); + } ASSERT_EQ(0, mount(NULL, TMP_DIR, NULL, MS_PRIVATE | MS_REC, NULL)); clear_cap(_metadata, CAP_SYS_ADMIN); } +static void prepare_layout(struct __test_metadata *const _metadata) +{ + prepare_layout_opt(_metadata, &mnt_tmp); +} + static void cleanup_layout(struct __test_metadata *const _metadata) { set_cap(_metadata, CAP_SYS_ADMIN); @@ -269,7 +304,7 @@ static void create_layout1(struct __test_metadata *const _metadata) create_file(_metadata, file1_s3d1); create_directory(_metadata, dir_s3d2); set_cap(_metadata, CAP_SYS_ADMIN); - ASSERT_EQ(0, mount("tmp", dir_s3d2, "tmpfs", 0, "size=4m,mode=700")); + ASSERT_EQ(0, mount_opt(&mnt_tmp, dir_s3d2)); clear_cap(_metadata, CAP_SYS_ADMIN); ASSERT_EQ(0, mkdir(dir_s3d3, 0700)); @@ -4068,7 +4103,7 @@ FIXTURE_SETUP(layout2_overlay) create_directory(_metadata, LOWER_BASE); set_cap(_metadata, CAP_SYS_ADMIN); /* Creates tmpfs mount points to get deterministic overlayfs. */ - ASSERT_EQ(0, mount("tmp", LOWER_BASE, "tmpfs", 0, "size=4m,mode=700")); + ASSERT_EQ(0, mount_opt(&mnt_tmp, LOWER_BASE)); clear_cap(_metadata, CAP_SYS_ADMIN); create_file(_metadata, lower_fl1); create_file(_metadata, lower_dl1_fl2); @@ -4078,7 +4113,7 @@ FIXTURE_SETUP(layout2_overlay) create_directory(_metadata, UPPER_BASE); set_cap(_metadata, CAP_SYS_ADMIN); - ASSERT_EQ(0, mount("tmp", UPPER_BASE, "tmpfs", 0, "size=4m,mode=700")); + ASSERT_EQ(0, mount_opt(&mnt_tmp, UPPER_BASE)); clear_cap(_metadata, CAP_SYS_ADMIN); create_file(_metadata, upper_fu1); create_file(_metadata, upper_du1_fu2); |