^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) * Test cases for lib/uuid.c module.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/uuid.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) struct test_uuid_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) const char *uuid;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) guid_t le;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) uuid_t be;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) static const struct test_uuid_data test_uuid_test_data[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) .uuid = "c33f4995-3701-450e-9fbf-206a2e98e576",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) .le = GUID_INIT(0xc33f4995, 0x3701, 0x450e, 0x9f, 0xbf, 0x20, 0x6a, 0x2e, 0x98, 0xe5, 0x76),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) .be = UUID_INIT(0xc33f4995, 0x3701, 0x450e, 0x9f, 0xbf, 0x20, 0x6a, 0x2e, 0x98, 0xe5, 0x76),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) .uuid = "64b4371c-77c1-48f9-8221-29f054fc023b",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) .le = GUID_INIT(0x64b4371c, 0x77c1, 0x48f9, 0x82, 0x21, 0x29, 0xf0, 0x54, 0xfc, 0x02, 0x3b),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) .be = UUID_INIT(0x64b4371c, 0x77c1, 0x48f9, 0x82, 0x21, 0x29, 0xf0, 0x54, 0xfc, 0x02, 0x3b),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) .uuid = "0cb4ddff-a545-4401-9d06-688af53e7f84",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) .le = GUID_INIT(0x0cb4ddff, 0xa545, 0x4401, 0x9d, 0x06, 0x68, 0x8a, 0xf5, 0x3e, 0x7f, 0x84),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) .be = UUID_INIT(0x0cb4ddff, 0xa545, 0x4401, 0x9d, 0x06, 0x68, 0x8a, 0xf5, 0x3e, 0x7f, 0x84),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static const char * const test_uuid_wrong_data[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) "c33f4995-3701-450e-9fbf206a2e98e576 ", /* no hyphen(s) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) "64b4371c-77c1-48f9-8221-29f054XX023b", /* invalid character(s) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) "0cb4ddff-a545-4401-9d06-688af53e", /* not enough data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static unsigned total_tests __initdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) static unsigned failed_tests __initdata;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) static void __init test_uuid_failed(const char *prefix, bool wrong, bool be,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) const char *data, const char *actual)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) pr_err("%s test #%u %s %s data: '%s'\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) prefix,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) total_tests,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) wrong ? "passed on wrong" : "failed on",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) be ? "BE" : "LE",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) if (actual && *actual)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) pr_err("%s test #%u actual data: '%s'\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) prefix,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) total_tests,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) actual);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) failed_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static void __init test_uuid_test(const struct test_uuid_data *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) guid_t le;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) uuid_t be;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) char buf[48];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /* LE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) total_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) if (guid_parse(data->uuid, &le))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) test_uuid_failed("conversion", false, false, data->uuid, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) total_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) if (!guid_equal(&data->le, &le)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) sprintf(buf, "%pUl", &le);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) test_uuid_failed("cmp", false, false, data->uuid, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) /* BE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) total_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) if (uuid_parse(data->uuid, &be))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) test_uuid_failed("conversion", false, true, data->uuid, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) total_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) if (!uuid_equal(&data->be, &be)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) sprintf(buf, "%pUb", &be);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) test_uuid_failed("cmp", false, true, data->uuid, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static void __init test_uuid_wrong(const char *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) guid_t le;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) uuid_t be;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) /* LE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) total_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (!guid_parse(data, &le))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) test_uuid_failed("negative", true, false, data, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) /* BE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) total_tests++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) if (!uuid_parse(data, &be))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) test_uuid_failed("negative", true, true, data, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static int __init test_uuid_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) for (i = 0; i < ARRAY_SIZE(test_uuid_test_data); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) test_uuid_test(&test_uuid_test_data[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) for (i = 0; i < ARRAY_SIZE(test_uuid_wrong_data); i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) test_uuid_wrong(test_uuid_wrong_data[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) if (failed_tests == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) pr_info("all %u tests passed\n", total_tests);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) pr_err("failed %u out of %u tests\n", failed_tests, total_tests);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) return failed_tests ? -EINVAL : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) module_init(test_uuid_init);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) static void __exit test_uuid_exit(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) /* do nothing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) module_exit(test_uuid_exit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) MODULE_AUTHOR("Andy Shevchenko <andriy.shevchenko@linux.intel.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) MODULE_LICENSE("Dual BSD/GPL");