Adding upstream version 255.4.upstream/255.4

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

1 files changed, 124 insertions, 0 deletions

diff --git a/src/test/test-devnum-util.c b/src/test/test-devnum-util.c
new file mode 100644
index 0000000..2068e35
--- /dev/null
+++ b/src/test/test-devnum-util.c
@@ -0,0 +1,124 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <sys/stat.h>
+
+#include "devnum-util.h"
+#include "path-util.h"
+#include "stat-util.h"
+#include "tests.h"
+
+TEST(parse_devnum) {
+        dev_t dev;
+
+        assert_se(parse_devnum("", &dev) == -EINVAL);
+        assert_se(parse_devnum("junk", &dev) == -EINVAL);
+        assert_se(parse_devnum("0", &dev) == -EINVAL);
+        assert_se(parse_devnum("5", &dev) == -EINVAL);
+        assert_se(parse_devnum("5:", &dev) == -EINVAL);
+        assert_se(parse_devnum(":5", &dev) == -EINVAL);
+        assert_se(parse_devnum("-1:-1", &dev) == -EINVAL);
+#if SIZEOF_DEV_T < 8
+        assert_se(parse_devnum("4294967295:4294967295", &dev) == -EINVAL);
+#endif
+        assert_se(parse_devnum("8:11", &dev) >= 0 && major(dev) == 8 && minor(dev) == 11);
+        assert_se(parse_devnum("0:0", &dev) >= 0 && major(dev) == 0 && minor(dev) == 0);
+}
+
+TEST(device_major_minor_valid) {
+        /* on glibc dev_t is 64-bit, even though in the kernel it is only 32-bit */
+        assert_cc(sizeof(dev_t) == sizeof(uint64_t));
+
+        assert_se(DEVICE_MAJOR_VALID(0U));
+        assert_se(DEVICE_MINOR_VALID(0U));
+
+        assert_se(DEVICE_MAJOR_VALID(1U));
+        assert_se(DEVICE_MINOR_VALID(1U));
+
+        assert_se(!DEVICE_MAJOR_VALID(-1U));
+        assert_se(!DEVICE_MINOR_VALID(-1U));
+
+        assert_se(DEVICE_MAJOR_VALID(1U << 10));
+        assert_se(DEVICE_MINOR_VALID(1U << 10));
+
+        assert_se(DEVICE_MAJOR_VALID((1U << 12) - 1));
+        assert_se(DEVICE_MINOR_VALID((1U << 20) - 1));
+
+        assert_se(!DEVICE_MAJOR_VALID((1U << 12)));
+        assert_se(!DEVICE_MINOR_VALID((1U << 20)));
+
+        assert_se(!DEVICE_MAJOR_VALID(1U << 25));
+        assert_se(!DEVICE_MINOR_VALID(1U << 25));
+
+        assert_se(!DEVICE_MAJOR_VALID(UINT32_MAX));
+        assert_se(!DEVICE_MINOR_VALID(UINT32_MAX));
+
+        assert_se(!DEVICE_MAJOR_VALID(UINT64_MAX));
+        assert_se(!DEVICE_MINOR_VALID(UINT64_MAX));
+
+        assert_se(DEVICE_MAJOR_VALID(major(0)));
+        assert_se(DEVICE_MINOR_VALID(minor(0)));
+}
+
+static void test_device_path_make_canonical_one(const char *path) {
+        _cleanup_free_ char *resolved = NULL, *raw = NULL;
+        struct stat st;
+        dev_t devno;
+        mode_t mode;
+        int r;
+
+        log_debug("> %s", path);
+
+        if (stat(path, &st) < 0) {
+                assert_se(errno == ENOENT);
+                log_notice("Path %s not found, skipping test", path);
+                return;
+        }
+
+        r = device_path_make_canonical(st.st_mode, st.st_rdev, &resolved);
+        if (r == -ENOENT) {
+                /* maybe /dev/char/x:y and /dev/block/x:y are missing in this test environment, because we
+                 * run in a container or so? */
+                log_notice("Device %s cannot be resolved, skipping test", path);
+                return;
+        }
+
+        assert_se(r >= 0);
+        assert_se(path_equal(path, resolved));
+
+        assert_se(device_path_make_major_minor(st.st_mode, st.st_rdev, &raw) >= 0);
+        assert_se(device_path_parse_major_minor(raw, &mode, &devno) >= 0);
+
+        assert_se(st.st_rdev == devno);
+        assert_se((st.st_mode & S_IFMT) == (mode & S_IFMT));
+}
+
+TEST(device_path_make_canonical) {
+        test_device_path_make_canonical_one("/dev/null");
+        test_device_path_make_canonical_one("/dev/zero");
+        test_device_path_make_canonical_one("/dev/full");
+        test_device_path_make_canonical_one("/dev/random");
+        test_device_path_make_canonical_one("/dev/urandom");
+        test_device_path_make_canonical_one("/dev/tty");
+
+        if (is_device_node("/run/systemd/inaccessible/blk") > 0) {
+                test_device_path_make_canonical_one("/run/systemd/inaccessible/chr");
+                test_device_path_make_canonical_one("/run/systemd/inaccessible/blk");
+        }
+}
+
+static void test_devnum_format_str_one(dev_t devnum, const char *s) {
+        dev_t x;
+
+        assert_se(streq(FORMAT_DEVNUM(devnum), s));
+        assert_se(parse_devnum(s, &x) >= 0);
+        assert_se(x == devnum);
+}
+
+TEST(devnum_format_str) {
+        test_devnum_format_str_one(makedev(0, 0), "0:0");
+        test_devnum_format_str_one(makedev(1, 2), "1:2");
+        test_devnum_format_str_one(makedev(99, 100), "99:100");
+        test_devnum_format_str_one(makedev(4095, 1048575), "4095:1048575");
+}
+
+DEFINE_TEST_MAIN(LOG_INFO);