Adding upstream version 255.4.upstream/255.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 188 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..5aca207
--- /dev/null
+++ b/src/test/test-stat-util.c
@@ -0,0 +1,188 @@
+/* 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(inode_same) {
+        _cleanup_close_ int fd = -EBADF;
+        _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-files_same.XXXXXX";
+        _cleanup_(unlink_tempfilep) 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(inode_same(name, name, 0));
+        assert_se(inode_same(name, name, AT_SYMLINK_NOFOLLOW));
+        assert_se(inode_same(name, name_alias, 0));
+        assert_se(!inode_same(name, name_alias, AT_SYMLINK_NOFOLLOW));
+}
+
+TEST(is_symlink) {
+        _cleanup_(unlink_tempfilep) char name[] = "/tmp/test-is_symlink.XXXXXX";
+        _cleanup_(unlink_tempfilep) char name_link[] = "/tmp/test-is_symlink.link";
+        _cleanup_close_ int fd = -EBADF;
+
+        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);
+}
+
+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 = -EBADF;
+
+        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);