2 * Copyright 1999-2022 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
10 /* Time tests for the asn1 module */
15 #include <crypto/asn1.h>
16 #include <openssl/asn1.h>
17 #include <openssl/evp.h>
18 #include <openssl/objects.h>
20 #include "internal/nelem.h"
23 char *data; /* TIME string value */
24 int type; /* GENERALIZED OR UTC */
25 int expected_type; /* expected type after set/set_string_gmt */
26 int check_result; /* check result */
27 time_t t; /* expected time_t*/
28 int cmp_result; /* comparison to baseline result */
29 int convert_result; /* conversion result */
32 struct TESTDATA_asn1_to_utc {
37 static const struct TESTDATA_asn1_to_utc asn1_to_utc[] = {
40 * last second of standard time in central Europe in 2021
48 * first second of daylight saving time in central Europe in 2021
56 * last second of standard time in central Europe in 2021
57 * specified in offset to GMT
59 "20210328015959+0100",
64 * first second of daylight saving time in central Europe in 2021
65 * specified in offset to GMT
67 "20210328030000+0200",
72 * Invalid strings should get -1 as a result
79 static struct testdata tbl_testdata_pos[] = {
80 { "0", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, /* Bad time */
81 { "ABCD", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
82 { "0ABCD", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
83 { "1-700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
84 { "`9700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
85 { "19700101000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 0, },
86 { "A00101000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 0, },
87 { "A9700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
88 { "1A700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
89 { "19A00101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
90 { "197A0101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
91 { "1970A101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
92 { "19700A01000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
93 { "197001A1000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
94 { "1970010A000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
95 { "19700101A00000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
96 { "197001010A0000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
97 { "1970010100A000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
98 { "19700101000A00Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
99 { "197001010000A0Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
100 { "1970010100000AZ", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
101 { "700101000000X", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 0, },
102 { "19700101000000X", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
103 { "19700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 0, -1, 1, }, /* Epoch begins */
104 { "700101000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 0, -1, 1, }, /* ditto */
105 { "20380119031407Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 0x7FFFFFFF, 1, 1, }, /* Max 32bit time_t */
106 { "380119031407Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 0x7FFFFFFF, 1, 1, },
107 { "20371231235959Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 2145916799, 1, 1, }, /* Just before 2038 */
108 { "20371231235959Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 1, }, /* Bad UTC time */
109 { "371231235959Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 2145916799, 1, 1, },
110 { "19701006121456Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 24063296, -1, 1, },
111 { "701006121456Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 24063296, -1, 1, },
112 { "19991231000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, /* Match baseline */
113 { "199912310000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, /* In various flavors */
114 { "991231000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
115 { "9912310000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
116 { "9912310000+0000", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
117 { "199912310000+0000", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
118 { "9912310000-0000", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
119 { "199912310000-0000", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
120 { "199912310100+0100", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
121 { "199912302300-0100", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
122 { "199912302300-A000", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 0, 946598400, 0, 1, },
123 { "199912302300-0A00", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 0, 946598400, 0, 1, },
124 { "9912310100+0100", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
125 { "9912302300-0100", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
128 /* ASSUMES SIGNED TIME_T */
129 static struct testdata tbl_testdata_neg[] = {
130 { "19011213204552Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, INT_MIN, -1, 0, },
131 { "691006121456Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, -7472704, -1, 1, },
132 { "19691006121456Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, -7472704, -1, 1, },
135 /* explicit casts to time_t short warnings on systems with 32-bit time_t */
136 static struct testdata tbl_testdata_pos_64bit[] = {
137 { "20380119031408Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, (time_t)0x80000000, 1, 1, },
138 { "20380119031409Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, (time_t)0x80000001, 1, 1, },
139 { "380119031408Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, (time_t)0x80000000, 1, 1, },
140 { "20500101120000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, (time_t)0x967b1ec0, 1, 0, },
143 /* ASSUMES SIGNED TIME_T */
144 static struct testdata tbl_testdata_neg_64bit[] = {
145 { "19011213204551Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, (time_t)-2147483649LL, -1, 0, },
146 { "19000101120000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, (time_t)-2208945600LL, -1, 0, },
149 /* A baseline time to compare to */
150 static ASN1_TIME gtime = {
152 V_ASN1_GENERALIZEDTIME,
153 (unsigned char*)"19991231000000Z",
156 static time_t gtime_t = 946598400;
158 static int test_table(struct testdata *tbl, int idx)
163 struct testdata *td = &tbl[idx];
166 atime.data = (unsigned char*)td->data;
167 atime.length = strlen((char*)atime.data);
168 atime.type = td->type;
171 if (!TEST_int_eq(ASN1_TIME_check(&atime), td->check_result)) {
172 TEST_info("ASN1_TIME_check(%s) unexpected result", atime.data);
175 if (td->check_result == 0)
178 if (!TEST_int_eq(ASN1_TIME_cmp_time_t(&atime, td->t), 0)) {
179 TEST_info("ASN1_TIME_cmp_time_t(%s vs %ld) compare failed", atime.data, (long)td->t);
183 if (!TEST_true(ASN1_TIME_diff(&day, &sec, &atime, &atime))) {
184 TEST_info("ASN1_TIME_diff(%s) to self failed", atime.data);
187 if (!TEST_int_eq(day, 0) || !TEST_int_eq(sec, 0)) {
188 TEST_info("ASN1_TIME_diff(%s) to self not equal", atime.data);
192 if (!TEST_true(ASN1_TIME_diff(&day, &sec, >ime, &atime))) {
193 TEST_info("ASN1_TIME_diff(%s) to baseline failed", atime.data);
195 } else if (!((td->cmp_result == 0 && TEST_true((day == 0 && sec == 0))) ||
196 (td->cmp_result == -1 && TEST_true((day < 0 || sec < 0))) ||
197 (td->cmp_result == 1 && TEST_true((day > 0 || sec > 0))))) {
198 TEST_info("ASN1_TIME_diff(%s) to baseline bad comparison", atime.data);
202 if (!TEST_int_eq(ASN1_TIME_cmp_time_t(&atime, gtime_t), td->cmp_result)) {
203 TEST_info("ASN1_TIME_cmp_time_t(%s) to baseline bad comparison", atime.data);
207 ptime = ASN1_TIME_set(NULL, td->t);
208 if (!TEST_ptr(ptime)) {
209 TEST_info("ASN1_TIME_set(%ld) failed", (long)td->t);
213 if (!TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, td->t), 0)) {
214 TEST_info("ASN1_TIME_set(%ld) compare failed (%s->%s)",
215 (long)td->t, td->data, ptime->data);
216 local_error = error = 1;
218 if (!TEST_int_eq(ptime->type, td->expected_type)) {
219 TEST_info("ASN1_TIME_set(%ld) unexpected type", (long)td->t);
220 local_error = error = 1;
223 TEST_info("ASN1_TIME_set() = %*s", ptime->length, ptime->data);
224 ASN1_TIME_free(ptime);
227 ptime = ASN1_TIME_new();
228 if (!TEST_ptr(ptime)) {
229 TEST_info("ASN1_TIME_new() failed");
233 if (!TEST_int_eq(ASN1_TIME_set_string(ptime, td->data), td->check_result)) {
234 TEST_info("ASN1_TIME_set_string_gmt(%s) failed", td->data);
235 local_error = error = 1;
237 if (!TEST_int_eq(ASN1_TIME_normalize(ptime), td->check_result)) {
238 TEST_info("ASN1_TIME_normalize(%s) failed", td->data);
239 local_error = error = 1;
241 if (!TEST_int_eq(ptime->type, td->expected_type)) {
242 TEST_info("ASN1_TIME_set_string_gmt(%s) unexpected type", td->data);
243 local_error = error = 1;
246 if (!TEST_true(ASN1_TIME_diff(&day, &sec, ptime, &atime)) || !TEST_int_eq(day, 0) || !TEST_int_eq(sec, 0)) {
247 TEST_info("ASN1_TIME_diff(day=%d, sec=%d, %s) after ASN1_TIME_set_string_gmt() failed", day, sec, td->data);
248 local_error = error = 1;
250 if (!TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, gtime_t), td->cmp_result)) {
251 TEST_info("ASN1_TIME_cmp_time_t(%s) after ASN1_TIME_set_string_gnt() to baseline bad comparison", td->data);
252 local_error = error = 1;
255 TEST_info("ASN1_TIME_set_string_gmt() = %*s", ptime->length, ptime->data);
256 ASN1_TIME_free(ptime);
259 ptime = ASN1_TIME_new();
260 if (!TEST_ptr(ptime)) {
261 TEST_info("ASN1_TIME_new() failed");
265 if (!TEST_int_eq(ASN1_TIME_set_string(ptime, td->data), td->check_result)) {
266 TEST_info("ASN1_TIME_set_string(%s) failed", td->data);
267 local_error = error = 1;
270 if (!TEST_true(ASN1_TIME_diff(&day, &sec, ptime, &atime)) || !TEST_int_eq(day, 0) || !TEST_int_eq(sec, 0)) {
271 TEST_info("ASN1_TIME_diff(day=%d, sec=%d, %s) after ASN1_TIME_set_string() failed", day, sec, td->data);
272 local_error = error = 1;
274 if (!TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, gtime_t), td->cmp_result)) {
275 TEST_info("ASN1_TIME_cmp_time_t(%s) after ASN1_TIME_set_string() to baseline bad comparison", td->data);
276 local_error = error = 1;
279 TEST_info("ASN1_TIME_set_string() = %*s", ptime->length, ptime->data);
280 ASN1_TIME_free(ptime);
283 if (td->type == V_ASN1_UTCTIME) {
284 ptime = ASN1_TIME_to_generalizedtime(&atime, NULL);
285 if (td->convert_result == 1 && !TEST_ptr(ptime)) {
286 TEST_info("ASN1_TIME_to_generalizedtime(%s) failed", atime.data);
288 } else if (td->convert_result == 0 && !TEST_ptr_null(ptime)) {
289 TEST_info("ASN1_TIME_to_generalizedtime(%s) should have failed", atime.data);
292 if (ptime != NULL && !TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, td->t), 0)) {
293 TEST_info("ASN1_TIME_to_generalizedtime(%s->%s) bad result", atime.data, ptime->data);
296 ASN1_TIME_free(ptime);
298 /* else cannot simply convert GENERALIZEDTIME to UTCTIME */
301 TEST_error("atime=%s", atime.data);
306 static int test_table_pos(int idx)
308 return test_table(tbl_testdata_pos, idx);
311 static int test_table_neg(int idx)
313 return test_table(tbl_testdata_neg, idx);
316 static int test_table_pos_64bit(int idx)
318 return test_table(tbl_testdata_pos_64bit, idx);
321 static int test_table_neg_64bit(int idx)
323 return test_table(tbl_testdata_neg_64bit, idx);
326 struct compare_testdata {
332 static unsigned char TODAY_GEN_STR[] = "20170825000000Z";
333 static unsigned char TOMORROW_GEN_STR[] = "20170826000000Z";
334 static unsigned char TODAY_UTC_STR[] = "170825000000Z";
335 static unsigned char TOMORROW_UTC_STR[] = "170826000000Z";
337 #define TODAY_GEN { sizeof(TODAY_GEN_STR)-1, V_ASN1_GENERALIZEDTIME, TODAY_GEN_STR, 0 }
338 #define TOMORROW_GEN { sizeof(TOMORROW_GEN_STR)-1, V_ASN1_GENERALIZEDTIME, TOMORROW_GEN_STR, 0 }
339 #define TODAY_UTC { sizeof(TODAY_UTC_STR)-1, V_ASN1_UTCTIME, TODAY_UTC_STR, 0 }
340 #define TOMORROW_UTC { sizeof(TOMORROW_UTC_STR)-1, V_ASN1_UTCTIME, TOMORROW_UTC_STR, 0 }
342 static struct compare_testdata tbl_compare_testdata[] = {
343 { TODAY_GEN, TODAY_GEN, 0 },
344 { TODAY_GEN, TODAY_UTC, 0 },
345 { TODAY_GEN, TOMORROW_GEN, -1 },
346 { TODAY_GEN, TOMORROW_UTC, -1 },
348 { TODAY_UTC, TODAY_GEN, 0 },
349 { TODAY_UTC, TODAY_UTC, 0 },
350 { TODAY_UTC, TOMORROW_GEN, -1 },
351 { TODAY_UTC, TOMORROW_UTC, -1 },
353 { TOMORROW_GEN, TODAY_GEN, 1 },
354 { TOMORROW_GEN, TODAY_UTC, 1 },
355 { TOMORROW_GEN, TOMORROW_GEN, 0 },
356 { TOMORROW_GEN, TOMORROW_UTC, 0 },
358 { TOMORROW_UTC, TODAY_GEN, 1 },
359 { TOMORROW_UTC, TODAY_UTC, 1 },
360 { TOMORROW_UTC, TOMORROW_GEN, 0 },
361 { TOMORROW_UTC, TOMORROW_UTC, 0 }
364 static int test_table_compare(int idx)
366 struct compare_testdata *td = &tbl_compare_testdata[idx];
368 return TEST_int_eq(ASN1_TIME_compare(&td->t1, &td->t2), td->result);
371 static int test_time_dup(void)
374 ASN1_TIME *asn1_time = NULL;
375 ASN1_TIME *asn1_time_dup = NULL;
376 ASN1_TIME *asn1_gentime = NULL;
378 asn1_time = ASN1_TIME_adj(NULL, time(NULL), 0, 0);
379 if (asn1_time == NULL) {
380 TEST_info("Internal error.");
384 asn1_gentime = ASN1_TIME_to_generalizedtime(asn1_time, NULL);
385 if (asn1_gentime == NULL) {
386 TEST_info("Internal error.");
390 asn1_time_dup = ASN1_TIME_dup(asn1_time);
391 if (!TEST_ptr_ne(asn1_time_dup, NULL)) {
392 TEST_info("ASN1_TIME_dup() failed.");
395 if (!TEST_int_eq(ASN1_TIME_compare(asn1_time, asn1_time_dup), 0)) {
396 TEST_info("ASN1_TIME_dup() duplicated non-identical value.");
399 ASN1_STRING_free(asn1_time_dup);
401 asn1_time_dup = ASN1_UTCTIME_dup(asn1_time);
402 if (!TEST_ptr_ne(asn1_time_dup, NULL)) {
403 TEST_info("ASN1_UTCTIME_dup() failed.");
406 if (!TEST_int_eq(ASN1_TIME_compare(asn1_time, asn1_time_dup), 0)) {
407 TEST_info("ASN1_UTCTIME_dup() duplicated non-identical UTCTIME value.");
410 ASN1_STRING_free(asn1_time_dup);
412 asn1_time_dup = ASN1_GENERALIZEDTIME_dup(asn1_gentime);
413 if (!TEST_ptr_ne(asn1_time_dup, NULL)) {
414 TEST_info("ASN1_GENERALIZEDTIME_dup() failed.");
417 if (!TEST_int_eq(ASN1_TIME_compare(asn1_gentime, asn1_time_dup), 0)) {
418 TEST_info("ASN1_GENERALIZEDTIME_dup() dup'ed non-identical value.");
424 ASN1_STRING_free(asn1_time);
425 ASN1_STRING_free(asn1_gentime);
426 ASN1_STRING_free(asn1_time_dup);
430 static int convert_asn1_to_time_t(int idx)
434 testdateutc = ossl_asn1_string_to_time_t(asn1_to_utc[idx].input);
436 if (!TEST_time_t_eq(testdateutc, asn1_to_utc[idx].expected)) {
437 TEST_info("ossl_asn1_string_to_time_t (%s) failed: expected %li, got %li\n",
438 asn1_to_utc[idx].input, asn1_to_utc[idx].expected, (signed long) testdateutc);
444 int setup_tests(void)
447 * On platforms where |time_t| is an unsigned integer, t will be a
450 * We check if we're on a platform with a signed |time_t| with '!(t > 0)'
451 * because some compilers are picky if you do 't < 0', or even 't <= 0'
452 * if |t| is unsigned.
456 * On some platforms, |time_t| is signed, but a negative value is an
457 * error, and using it with gmtime() or localtime() generates a NULL.
458 * If that is the case, we can't perform tests on negative values.
460 struct tm *ptm = localtime(&t);
462 ADD_ALL_TESTS(test_table_pos, OSSL_NELEM(tbl_testdata_pos));
463 if (!(t > 0) && ptm != NULL) {
464 TEST_info("Adding negative-sign time_t tests");
465 ADD_ALL_TESTS(test_table_neg, OSSL_NELEM(tbl_testdata_neg));
467 if (sizeof(time_t) > sizeof(uint32_t)) {
468 TEST_info("Adding 64-bit time_t tests");
469 ADD_ALL_TESTS(test_table_pos_64bit, OSSL_NELEM(tbl_testdata_pos_64bit));
471 if (!(t > 0) && ptm != NULL) {
472 TEST_info("Adding negative-sign 64-bit time_t tests");
473 ADD_ALL_TESTS(test_table_neg_64bit, OSSL_NELEM(tbl_testdata_neg_64bit));
477 ADD_ALL_TESTS(test_table_compare, OSSL_NELEM(tbl_compare_testdata));
478 ADD_TEST(test_time_dup);
479 ADD_ALL_TESTS(convert_asn1_to_time_t, OSSL_NELEM(asn1_to_utc));