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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/test/test-stat-util.c | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/test/test-stat-util.c | 194 |
1 files changed, 194 insertions, 0 deletions
diff --git a/src/test/test-stat-util.c b/src/test/test-stat-util.c new file mode 100644 index 0000000..04d52d3 --- /dev/null +++ b/src/test/test-stat-util.c @@ -0,0 +1,194 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ + +#include <fcntl.h> +#include <linux/magic.h> +#include <sched.h> +#include <unistd.h> + +#include "alloc-util.h" +#include "errno-list.h" +#include "fd-util.h" +#include "fs-util.h" +#include "macro.h" +#include "mountpoint-util.h" +#include "namespace-util.h" +#include "path-util.h" +#include "rm-rf.h" +#include "stat-util.h" +#include "tests.h" +#include "tmpfile-util.h" + +TEST(null_or_empty_path) { + assert_se(null_or_empty_path("/dev/null") == 1); + assert_se(null_or_empty_path("/dev/tty") == 1); /* We assume that any character device is "empty", bleh. */ + assert_se(null_or_empty_path("../../../../../../../../../../../../../../../../../../../../dev/null") == 1); + assert_se(null_or_empty_path("/proc/self/exe") == 0); + assert_se(null_or_empty_path("/nosuchfileordir") == -ENOENT); +} + +TEST(null_or_empty_path_with_root) { + assert_se(null_or_empty_path_with_root("/dev/null", NULL) == 1); + assert_se(null_or_empty_path_with_root("/dev/null", "/") == 1); + assert_se(null_or_empty_path_with_root("/dev/null", "/.././../") == 1); + assert_se(null_or_empty_path_with_root("/dev/null", "/.././..") == 1); + assert_se(null_or_empty_path_with_root("../../../../../../../../../../../../../../../../../../../../dev/null", NULL) == 1); + assert_se(null_or_empty_path_with_root("../../../../../../../../../../../../../../../../../../../../dev/null", "/") == 1); + assert_se(null_or_empty_path_with_root("/proc/self/exe", NULL) == 0); + assert_se(null_or_empty_path_with_root("/proc/self/exe", "/") == 0); + assert_se(null_or_empty_path_with_root("/nosuchfileordir", NULL) == -ENOENT); + assert_se(null_or_empty_path_with_root("/nosuchfileordir", "/.././../") == -ENOENT); + assert_se(null_or_empty_path_with_root("/nosuchfileordir", "/.././..") == -ENOENT); + assert_se(null_or_empty_path_with_root("/foobar/barbar/dev/null", "/foobar/barbar") == 1); + assert_se(null_or_empty_path_with_root("/foobar/barbar/dev/null", "/foobar/barbar/") == 1); +} + +TEST(files_same) { + _cleanup_close_ int fd = -1; + char name[] = "/tmp/test-files_same.XXXXXX"; + char name_alias[] = "/tmp/test-files_same.alias"; + + fd = mkostemp_safe(name); + assert_se(fd >= 0); + assert_se(symlink(name, name_alias) >= 0); + + assert_se(files_same(name, name, 0)); + assert_se(files_same(name, name, AT_SYMLINK_NOFOLLOW)); + assert_se(files_same(name, name_alias, 0)); + assert_se(!files_same(name, name_alias, AT_SYMLINK_NOFOLLOW)); + + unlink(name); + unlink(name_alias); +} + +TEST(is_symlink) { + char name[] = "/tmp/test-is_symlink.XXXXXX"; + char name_link[] = "/tmp/test-is_symlink.link"; + _cleanup_close_ int fd = -1; + + fd = mkostemp_safe(name); + assert_se(fd >= 0); + assert_se(symlink(name, name_link) >= 0); + + assert_se(is_symlink(name) == 0); + assert_se(is_symlink(name_link) == 1); + assert_se(is_symlink("/a/file/which/does/not/exist/i/guess") < 0); + + unlink(name); + unlink(name_link); +} + +TEST(path_is_fs_type) { + /* run might not be a mount point in build chroots */ + if (path_is_mount_point("/run", NULL, AT_SYMLINK_FOLLOW) > 0) { + assert_se(path_is_fs_type("/run", TMPFS_MAGIC) > 0); + assert_se(path_is_fs_type("/run", BTRFS_SUPER_MAGIC) == 0); + } + if (path_is_mount_point("/proc", NULL, AT_SYMLINK_FOLLOW) > 0) { + assert_se(path_is_fs_type("/proc", PROC_SUPER_MAGIC) > 0); + assert_se(path_is_fs_type("/proc", BTRFS_SUPER_MAGIC) == 0); + } + assert_se(path_is_fs_type("/i-dont-exist", BTRFS_SUPER_MAGIC) == -ENOENT); +} + +TEST(path_is_temporary_fs) { + int r; + + FOREACH_STRING(s, "/", "/run", "/sys", "/sys/", "/proc", "/i-dont-exist", "/var", "/var/lib") { + r = path_is_temporary_fs(s); + + log_info_errno(r, "path_is_temporary_fs(\"%s\"): %d, %s", + s, r, r < 0 ? errno_to_name(r) : yes_no(r)); + } + + /* run might not be a mount point in build chroots */ + if (path_is_mount_point("/run", NULL, AT_SYMLINK_FOLLOW) > 0) + assert_se(path_is_temporary_fs("/run") > 0); + assert_se(path_is_temporary_fs("/proc") == 0); + assert_se(path_is_temporary_fs("/i-dont-exist") == -ENOENT); +} + +TEST(path_is_read_only_fs) { + int r; + + FOREACH_STRING(s, "/", "/run", "/sys", "/sys/", "/proc", "/i-dont-exist", "/var", "/var/lib") { + r = path_is_read_only_fs(s); + + log_info_errno(r, "path_is_read_only_fs(\"%s\"): %d, %s", + s, r, r < 0 ? errno_to_name(r) : yes_no(r)); + } + + if (path_is_mount_point("/sys", NULL, AT_SYMLINK_FOLLOW) > 0) + assert_se(IN_SET(path_is_read_only_fs("/sys"), 0, 1)); + + assert_se(path_is_read_only_fs("/proc") == 0); + assert_se(path_is_read_only_fs("/i-dont-exist") == -ENOENT); +} + +TEST(fd_is_ns) { + _cleanup_close_ int fd = -1; + + assert_se(fd_is_ns(STDIN_FILENO, CLONE_NEWNET) == 0); + assert_se(fd_is_ns(STDERR_FILENO, CLONE_NEWNET) == 0); + assert_se(fd_is_ns(STDOUT_FILENO, CLONE_NEWNET) == 0); + + fd = open("/proc/self/ns/mnt", O_CLOEXEC|O_RDONLY); + if (fd < 0) { + assert_se(errno == ENOENT); + log_notice("Path %s not found, skipping test", "/proc/self/ns/mnt"); + return; + } + assert_se(fd >= 0); + assert_se(IN_SET(fd_is_ns(fd, CLONE_NEWNET), 0, -EUCLEAN)); + fd = safe_close(fd); + + assert_se((fd = open("/proc/self/ns/ipc", O_CLOEXEC|O_RDONLY)) >= 0); + assert_se(IN_SET(fd_is_ns(fd, CLONE_NEWIPC), 1, -EUCLEAN)); + fd = safe_close(fd); + + assert_se((fd = open("/proc/self/ns/net", O_CLOEXEC|O_RDONLY)) >= 0); + assert_se(IN_SET(fd_is_ns(fd, CLONE_NEWNET), 1, -EUCLEAN)); +} + +TEST(dir_is_empty) { + _cleanup_(rm_rf_physical_and_freep) char *empty_dir = NULL; + _cleanup_free_ char *j = NULL, *jj = NULL, *jjj = NULL; + + assert_se(dir_is_empty_at(AT_FDCWD, "/proc", /* ignore_hidden_or_backup= */ true) == 0); + assert_se(dir_is_empty_at(AT_FDCWD, "/icertainlydontexistdoi", /* ignore_hidden_or_backup= */ true) == -ENOENT); + + assert_se(mkdtemp_malloc("/tmp/emptyXXXXXX", &empty_dir) >= 0); + assert_se(dir_is_empty_at(AT_FDCWD, empty_dir, /* ignore_hidden_or_backup= */ true) > 0); + + j = path_join(empty_dir, "zzz"); + assert_se(j); + assert_se(touch(j) >= 0); + + assert_se(dir_is_empty_at(AT_FDCWD, empty_dir, /* ignore_hidden_or_backup= */ true) == 0); + + jj = path_join(empty_dir, "ppp"); + assert_se(jj); + assert_se(touch(jj) >= 0); + + jjj = path_join(empty_dir, ".qqq"); + assert_se(jjj); + assert_se(touch(jjj) >= 0); + + assert_se(dir_is_empty_at(AT_FDCWD, empty_dir, /* ignore_hidden_or_backup= */ true) == 0); + assert_se(dir_is_empty_at(AT_FDCWD, empty_dir, /* ignore_hidden_or_backup= */ false) == 0); + assert_se(unlink(j) >= 0); + assert_se(dir_is_empty_at(AT_FDCWD, empty_dir, /* ignore_hidden_or_backup= */ true) == 0); + assert_se(dir_is_empty_at(AT_FDCWD, empty_dir, /* ignore_hidden_or_backup= */ false) == 0); + assert_se(unlink(jj) >= 0); + assert_se(dir_is_empty_at(AT_FDCWD, empty_dir, /* ignore_hidden_or_backup= */ true) > 0); + assert_se(dir_is_empty_at(AT_FDCWD, empty_dir, /* ignore_hidden_or_backup= */ false) == 0); + assert_se(unlink(jjj) >= 0); + assert_se(dir_is_empty_at(AT_FDCWD, empty_dir, /* ignore_hidden_or_backup= */ true) > 0); + assert_se(dir_is_empty_at(AT_FDCWD, empty_dir, /* ignore_hidden_or_backup= */ false) > 0); +} + +static int intro(void) { + log_show_color(true); + return EXIT_SUCCESS; +} + +DEFINE_TEST_MAIN_WITH_INTRO(LOG_INFO, intro); |