1/* 2 * Copyright 1999-2020 The OpenSSL Project Authors. All Rights Reserved. 3 * 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 8 */ 9 10/* Time tests for the asn1 module */ 11 12#include <stdio.h> 13#include <string.h> 14 15#include <openssl/asn1.h> 16#include <openssl/evp.h> 17#include <openssl/objects.h> 18#include "testutil.h" 19#include "internal/nelem.h" 20 21struct testdata { 22 char *data; /* TIME string value */ 23 int type; /* GENERALIZED OR UTC */ 24 int expected_type; /* expected type after set/set_string_gmt */ 25 int check_result; /* check result */ 26 time_t t; /* expected time_t*/ 27 int cmp_result; /* comparison to baseline result */ 28 int convert_result; /* conversion result */ 29}; 30 31static struct testdata tbl_testdata_pos[] = { 32 { "0", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, /* Bad time */ 33 { "ABCD", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 34 { "0ABCD", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 35 { "1-700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 36 { "`9700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 37 { "19700101000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 0, }, 38 { "A00101000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 0, }, 39 { "A9700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 40 { "1A700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 41 { "19A00101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 42 { "197A0101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 43 { "1970A101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 44 { "19700A01000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 45 { "197001A1000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 46 { "1970010A000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 47 { "19700101A00000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 48 { "197001010A0000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 49 { "1970010100A000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 50 { "19700101000A00Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 51 { "197001010000A0Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 52 { "1970010100000AZ", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 53 { "700101000000X", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 0, }, 54 { "19700101000000X", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, 55 { "19700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 0, -1, 1, }, /* Epoch begins */ 56 { "700101000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 0, -1, 1, }, /* ditto */ 57 { "20380119031407Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 0x7FFFFFFF, 1, 1, }, /* Max 32bit time_t */ 58 { "380119031407Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 0x7FFFFFFF, 1, 1, }, 59 { "20371231235959Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 2145916799, 1, 1, }, /* Just before 2038 */ 60 { "20371231235959Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 1, }, /* Bad UTC time */ 61 { "371231235959Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 2145916799, 1, 1, }, 62 { "19701006121456Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 24063296, -1, 1, }, 63 { "701006121456Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 24063296, -1, 1, }, 64 { "19991231000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, /* Match baseline */ 65 { "199912310000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, /* In various flavors */ 66 { "991231000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, 67 { "9912310000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, 68 { "9912310000+0000", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, 69 { "199912310000+0000", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, 70 { "9912310000-0000", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, 71 { "199912310000-0000", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, 72 { "199912310100+0100", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, 73 { "199912302300-0100", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, 74 { "199912302300-A000", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 0, 946598400, 0, 1, }, 75 { "199912302300-0A00", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 0, 946598400, 0, 1, }, 76 { "9912310100+0100", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, 77 { "9912302300-0100", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, 78}; 79 80/* ASSUMES SIGNED TIME_T */ 81static struct testdata tbl_testdata_neg[] = { 82 { "19011213204552Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, INT_MIN, -1, 0, }, 83 { "691006121456Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, -7472704, -1, 1, }, 84 { "19691006121456Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, -7472704, -1, 1, }, 85}; 86 87/* explicit casts to time_t short warnings on systems with 32-bit time_t */ 88static struct testdata tbl_testdata_pos_64bit[] = { 89 { "20380119031408Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, (time_t)0x80000000, 1, 1, }, 90 { "20380119031409Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, (time_t)0x80000001, 1, 1, }, 91 { "380119031408Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, (time_t)0x80000000, 1, 1, }, 92 { "20500101120000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, (time_t)0x967b1ec0, 1, 0, }, 93}; 94 95/* ASSUMES SIGNED TIME_T */ 96static struct testdata tbl_testdata_neg_64bit[] = { 97 { "19011213204551Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, (time_t)-2147483649LL, -1, 0, }, 98 { "19000101120000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, (time_t)-2208945600LL, -1, 0, }, 99}; 100 101/* A baseline time to compare to */ 102static ASN1_TIME gtime = { 103 15, 104 V_ASN1_GENERALIZEDTIME, 105 (unsigned char*)"19991231000000Z", 106 0 107}; 108static time_t gtime_t = 946598400; 109 110static int test_table(struct testdata *tbl, int idx) 111{ 112 int error = 0; 113 ASN1_TIME atime; 114 ASN1_TIME *ptime; 115 struct testdata *td = &tbl[idx]; 116 int day, sec; 117 118 atime.data = (unsigned char*)td->data; 119 atime.length = strlen((char*)atime.data); 120 atime.type = td->type; 121 atime.flags = 0; 122 123 if (!TEST_int_eq(ASN1_TIME_check(&atime), td->check_result)) { 124 TEST_info("ASN1_TIME_check(%s) unexpected result", atime.data); 125 error = 1; 126 } 127 if (td->check_result == 0) 128 return 1; 129 130 if (!TEST_int_eq(ASN1_TIME_cmp_time_t(&atime, td->t), 0)) { 131 TEST_info("ASN1_TIME_cmp_time_t(%s vs %ld) compare failed", atime.data, (long)td->t); 132 error = 1; 133 } 134 135 if (!TEST_true(ASN1_TIME_diff(&day, &sec, &atime, &atime))) { 136 TEST_info("ASN1_TIME_diff(%s) to self failed", atime.data); 137 error = 1; 138 } 139 if (!TEST_int_eq(day, 0) || !TEST_int_eq(sec, 0)) { 140 TEST_info("ASN1_TIME_diff(%s) to self not equal", atime.data); 141 error = 1; 142 } 143 144 if (!TEST_true(ASN1_TIME_diff(&day, &sec, >ime, &atime))) { 145 TEST_info("ASN1_TIME_diff(%s) to baseline failed", atime.data); 146 error = 1; 147 } else if (!((td->cmp_result == 0 && TEST_true((day == 0 && sec == 0))) || 148 (td->cmp_result == -1 && TEST_true((day < 0 || sec < 0))) || 149 (td->cmp_result == 1 && TEST_true((day > 0 || sec > 0))))) { 150 TEST_info("ASN1_TIME_diff(%s) to baseline bad comparison", atime.data); 151 error = 1; 152 } 153 154 if (!TEST_int_eq(ASN1_TIME_cmp_time_t(&atime, gtime_t), td->cmp_result)) { 155 TEST_info("ASN1_TIME_cmp_time_t(%s) to baseline bad comparison", atime.data); 156 error = 1; 157 } 158 159 ptime = ASN1_TIME_set(NULL, td->t); 160 if (!TEST_ptr(ptime)) { 161 TEST_info("ASN1_TIME_set(%ld) failed", (long)td->t); 162 error = 1; 163 } else { 164 int local_error = 0; 165 if (!TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, td->t), 0)) { 166 TEST_info("ASN1_TIME_set(%ld) compare failed (%s->%s)", 167 (long)td->t, td->data, ptime->data); 168 local_error = error = 1; 169 } 170 if (!TEST_int_eq(ptime->type, td->expected_type)) { 171 TEST_info("ASN1_TIME_set(%ld) unexpected type", (long)td->t); 172 local_error = error = 1; 173 } 174 if (local_error) 175 TEST_info("ASN1_TIME_set() = %*s", ptime->length, ptime->data); 176 ASN1_TIME_free(ptime); 177 } 178 179 ptime = ASN1_TIME_new(); 180 if (!TEST_ptr(ptime)) { 181 TEST_info("ASN1_TIME_new() failed"); 182 error = 1; 183 } else { 184 int local_error = 0; 185 if (!TEST_int_eq(ASN1_TIME_set_string(ptime, td->data), td->check_result)) { 186 TEST_info("ASN1_TIME_set_string_gmt(%s) failed", td->data); 187 local_error = error = 1; 188 } 189 if (!TEST_int_eq(ASN1_TIME_normalize(ptime), td->check_result)) { 190 TEST_info("ASN1_TIME_normalize(%s) failed", td->data); 191 local_error = error = 1; 192 } 193 if (!TEST_int_eq(ptime->type, td->expected_type)) { 194 TEST_info("ASN1_TIME_set_string_gmt(%s) unexpected type", td->data); 195 local_error = error = 1; 196 } 197 day = sec = 0; 198 if (!TEST_true(ASN1_TIME_diff(&day, &sec, ptime, &atime)) || !TEST_int_eq(day, 0) || !TEST_int_eq(sec, 0)) { 199 TEST_info("ASN1_TIME_diff(day=%d, sec=%d, %s) after ASN1_TIME_set_string_gmt() failed", day, sec, td->data); 200 local_error = error = 1; 201 } 202 if (!TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, gtime_t), td->cmp_result)) { 203 TEST_info("ASN1_TIME_cmp_time_t(%s) after ASN1_TIME_set_string_gnt() to baseline bad comparison", td->data); 204 local_error = error = 1; 205 } 206 if (local_error) 207 TEST_info("ASN1_TIME_set_string_gmt() = %*s", ptime->length, ptime->data); 208 ASN1_TIME_free(ptime); 209 } 210 211 ptime = ASN1_TIME_new(); 212 if (!TEST_ptr(ptime)) { 213 TEST_info("ASN1_TIME_new() failed"); 214 error = 1; 215 } else { 216 int local_error = 0; 217 if (!TEST_int_eq(ASN1_TIME_set_string(ptime, td->data), td->check_result)) { 218 TEST_info("ASN1_TIME_set_string(%s) failed", td->data); 219 local_error = error = 1; 220 } 221 day = sec = 0; 222 if (!TEST_true(ASN1_TIME_diff(&day, &sec, ptime, &atime)) || !TEST_int_eq(day, 0) || !TEST_int_eq(sec, 0)) { 223 TEST_info("ASN1_TIME_diff(day=%d, sec=%d, %s) after ASN1_TIME_set_string() failed", day, sec, td->data); 224 local_error = error = 1; 225 } 226 if (!TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, gtime_t), td->cmp_result)) { 227 TEST_info("ASN1_TIME_cmp_time_t(%s) after ASN1_TIME_set_string() to baseline bad comparison", td->data); 228 local_error = error = 1; 229 } 230 if (local_error) 231 TEST_info("ASN1_TIME_set_string() = %*s", ptime->length, ptime->data); 232 ASN1_TIME_free(ptime); 233 } 234 235 if (td->type == V_ASN1_UTCTIME) { 236 ptime = ASN1_TIME_to_generalizedtime(&atime, NULL); 237 if (td->convert_result == 1 && !TEST_ptr(ptime)) { 238 TEST_info("ASN1_TIME_to_generalizedtime(%s) failed", atime.data); 239 error = 1; 240 } else if (td->convert_result == 0 && !TEST_ptr_null(ptime)) { 241 TEST_info("ASN1_TIME_to_generalizedtime(%s) should have failed", atime.data); 242 error = 1; 243 } 244 if (ptime != NULL && !TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, td->t), 0)) { 245 TEST_info("ASN1_TIME_to_generalizedtime(%s->%s) bad result", atime.data, ptime->data); 246 error = 1; 247 } 248 ASN1_TIME_free(ptime); 249 } 250 /* else cannot simply convert GENERALIZEDTIME to UTCTIME */ 251 252 if (error) 253 TEST_error("atime=%s", atime.data); 254 255 return !error; 256} 257 258static int test_table_pos(int idx) 259{ 260 return test_table(tbl_testdata_pos, idx); 261} 262 263static int test_table_neg(int idx) 264{ 265 return test_table(tbl_testdata_neg, idx); 266} 267 268static int test_table_pos_64bit(int idx) 269{ 270 return test_table(tbl_testdata_pos_64bit, idx); 271} 272 273static int test_table_neg_64bit(int idx) 274{ 275 return test_table(tbl_testdata_neg_64bit, idx); 276} 277 278struct compare_testdata { 279 ASN1_TIME t1; 280 ASN1_TIME t2; 281 int result; 282}; 283 284static unsigned char TODAY_GEN_STR[] = "20170825000000Z"; 285static unsigned char TOMORROW_GEN_STR[] = "20170826000000Z"; 286static unsigned char TODAY_UTC_STR[] = "170825000000Z"; 287static unsigned char TOMORROW_UTC_STR[] = "170826000000Z"; 288 289#define TODAY_GEN { sizeof(TODAY_GEN_STR)-1, V_ASN1_GENERALIZEDTIME, TODAY_GEN_STR, 0 } 290#define TOMORROW_GEN { sizeof(TOMORROW_GEN_STR)-1, V_ASN1_GENERALIZEDTIME, TOMORROW_GEN_STR, 0 } 291#define TODAY_UTC { sizeof(TODAY_UTC_STR)-1, V_ASN1_UTCTIME, TODAY_UTC_STR, 0 } 292#define TOMORROW_UTC { sizeof(TOMORROW_UTC_STR)-1, V_ASN1_UTCTIME, TOMORROW_UTC_STR, 0 } 293 294static struct compare_testdata tbl_compare_testdata[] = { 295 { TODAY_GEN, TODAY_GEN, 0 }, 296 { TODAY_GEN, TODAY_UTC, 0 }, 297 { TODAY_GEN, TOMORROW_GEN, -1 }, 298 { TODAY_GEN, TOMORROW_UTC, -1 }, 299 300 { TODAY_UTC, TODAY_GEN, 0 }, 301 { TODAY_UTC, TODAY_UTC, 0 }, 302 { TODAY_UTC, TOMORROW_GEN, -1 }, 303 { TODAY_UTC, TOMORROW_UTC, -1 }, 304 305 { TOMORROW_GEN, TODAY_GEN, 1 }, 306 { TOMORROW_GEN, TODAY_UTC, 1 }, 307 { TOMORROW_GEN, TOMORROW_GEN, 0 }, 308 { TOMORROW_GEN, TOMORROW_UTC, 0 }, 309 310 { TOMORROW_UTC, TODAY_GEN, 1 }, 311 { TOMORROW_UTC, TODAY_UTC, 1 }, 312 { TOMORROW_UTC, TOMORROW_GEN, 0 }, 313 { TOMORROW_UTC, TOMORROW_UTC, 0 } 314}; 315 316static int test_table_compare(int idx) 317{ 318 struct compare_testdata *td = &tbl_compare_testdata[idx]; 319 320 return TEST_int_eq(ASN1_TIME_compare(&td->t1, &td->t2), td->result); 321} 322 323static int test_time_dup(void) 324{ 325 int ret = 0; 326 ASN1_TIME *asn1_time = NULL; 327 ASN1_TIME *asn1_time_dup = NULL; 328 ASN1_TIME *asn1_gentime = NULL; 329 330 asn1_time = ASN1_TIME_adj(NULL, time(NULL), 0, 0); 331 if (asn1_time == NULL) { 332 TEST_info("Internal error."); 333 goto err; 334 } 335 336 asn1_gentime = ASN1_TIME_to_generalizedtime(asn1_time, NULL); 337 if (asn1_gentime == NULL) { 338 TEST_info("Internal error."); 339 goto err; 340 } 341 342 asn1_time_dup = ASN1_TIME_dup(asn1_time); 343 if (!TEST_ptr_ne(asn1_time_dup, NULL)) { 344 TEST_info("ASN1_TIME_dup() failed."); 345 goto err; 346 } 347 if (!TEST_int_eq(ASN1_TIME_compare(asn1_time, asn1_time_dup), 0)) { 348 TEST_info("ASN1_TIME_dup() duplicated non-identical value."); 349 goto err; 350 } 351 ASN1_STRING_free(asn1_time_dup); 352 353 asn1_time_dup = ASN1_UTCTIME_dup(asn1_time); 354 if (!TEST_ptr_ne(asn1_time_dup, NULL)) { 355 TEST_info("ASN1_UTCTIME_dup() failed."); 356 goto err; 357 } 358 if (!TEST_int_eq(ASN1_TIME_compare(asn1_time, asn1_time_dup), 0)) { 359 TEST_info("ASN1_UTCTIME_dup() duplicated non-identical UTCTIME value."); 360 goto err; 361 } 362 ASN1_STRING_free(asn1_time_dup); 363 364 asn1_time_dup = ASN1_GENERALIZEDTIME_dup(asn1_gentime); 365 if (!TEST_ptr_ne(asn1_time_dup, NULL)) { 366 TEST_info("ASN1_GENERALIZEDTIME_dup() failed."); 367 goto err; 368 } 369 if (!TEST_int_eq(ASN1_TIME_compare(asn1_gentime, asn1_time_dup), 0)) { 370 TEST_info("ASN1_GENERALIZEDTIME_dup() dup'ed non-identical value."); 371 goto err; 372 } 373 374 ret = 1; 375 err: 376 ASN1_STRING_free(asn1_time); 377 ASN1_STRING_free(asn1_gentime); 378 ASN1_STRING_free(asn1_time_dup); 379 return ret; 380} 381 382int setup_tests(void) 383{ 384 /* 385 * On platforms where |time_t| is an unsigned integer, t will be a 386 * positive number. 387 * 388 * We check if we're on a platform with a signed |time_t| with '!(t > 0)' 389 * because some compilers are picky if you do 't < 0', or even 't <= 0' 390 * if |t| is unsigned. 391 */ 392 time_t t = -1; 393 /* 394 * On some platforms, |time_t| is signed, but a negative value is an 395 * error, and using it with gmtime() or localtime() generates a NULL. 396 * If that is the case, we can't perform tests on negative values. 397 */ 398 struct tm *ptm = localtime(&t); 399 400 ADD_ALL_TESTS(test_table_pos, OSSL_NELEM(tbl_testdata_pos)); 401 if (!(t > 0) && ptm != NULL) { 402 TEST_info("Adding negative-sign time_t tests"); 403 ADD_ALL_TESTS(test_table_neg, OSSL_NELEM(tbl_testdata_neg)); 404 } 405 if (sizeof(time_t) > sizeof(uint32_t)) { 406 TEST_info("Adding 64-bit time_t tests"); 407 ADD_ALL_TESTS(test_table_pos_64bit, OSSL_NELEM(tbl_testdata_pos_64bit)); 408#ifndef __hpux 409 if (!(t > 0) && ptm != NULL) { 410 TEST_info("Adding negative-sign 64-bit time_t tests"); 411 ADD_ALL_TESTS(test_table_neg_64bit, OSSL_NELEM(tbl_testdata_neg_64bit)); 412 } 413#endif 414 } 415 ADD_ALL_TESTS(test_table_compare, OSSL_NELEM(tbl_compare_testdata)); 416 ADD_TEST(test_time_dup); 417 return 1; 418} 419