/* $OpenBSD: rfc5280time.c,v 1.8 2024/04/08 19:57:40 beck Exp $ */ /* * Copyright (c) 2015 Joel Sing * Copyright (c) 2015 Bob Beck * * Permission to use, copy, modify, and distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. * * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include #include #include #include #include struct rfc5280_time_test { const char *str; const char *data; time_t time; }; struct rfc5280_time_test rfc5280_invtime_tests[] = { { .str = "", }, { .str = "2015", }, { .str = "201509", }, { .str = "20150923", }, { .str = "20150923032700", }, { /* UTC time must have seconds */ .str = "7001010000Z", }, { .str = "201509230327Z", }, { .str = "20150923032700.Z", }, { .str = "20150923032700.123", }, { .str = "20150923032700+1100Z", }, { .str = "20150923032700-11001", }, { /* UTC time cannot have fractional seconds. */ .str = "150923032700.123Z", }, { /* Gen time cannot have +- TZ. */ .str = "20150923032712+1115", }, { /* Gen time cannot have fractional seconds */ .str = "20150923032712.123Z", }, { .str = "aaaaaaaaaaaaaaZ", }, { /* Must be a UTC time per RFC 5280 */ .str = "19700101000000Z", .data = "19700101000000Z", .time = 0, }, { /* (times before 2050 must be UTCTIME) Per RFC 5280 4.1.2.5 */ .str = "20150923032700Z", .data = "20150923032700Z", .time = 1442978820, }, { /* (times before 2050 must be UTCTIME) Per RFC 5280 4.1.2.5 */ .str = "00000101000000Z", .data = "00000101000000Z", .time = -62167219200LL, }, { /* (times before 2050 must be UTCTIME) Per RFC 5280 4.1.2.5 */ .str = "20491231235959Z", .data = "20491231235959Z", .time = 2524607999LL, }, { /* (times before 2050 must be UTCTIME) Per RFC 5280 4.1.2.5 */ .str = "19500101000000Z", .data = "19500101000000Z", .time = -631152000LL, }, }; struct rfc5280_time_test rfc5280_gentime_tests[] = { { /* Biggest RFC 5280 time */ .str = "99991231235959Z", .data = "99991231235959Z", .time = 253402300799LL, }, { .str = "21600218104000Z", .data = "21600218104000Z", .time = 6000000000LL, }, { /* Smallest RFC 5280 gen time */ .str = "20500101000000Z", .data = "20500101000000Z", .time = 2524608000LL, }, }; struct rfc5280_time_test rfc5280_utctime_tests[] = { { .str = "500101000000Z", .data = "500101000000Z", .time = -631152000, }, { .str = "540226230640Z", .data = "540226230640Z", .time = -500000000, }, { .str = "491231235959Z", .data = "491231235959Z", .time = 2524607999LL, }, { .str = "700101000000Z", .data = "700101000000Z", .time = 0, }, { .str = "150923032700Z", .data = "150923032700Z", .time = 1442978820, }, { .str = "150923102700Z", .data = "150923102700Z", .time = 1443004020, }, { .str = "150922162712Z", .data = "150922162712Z", .time = 1442939232, }, { .str = "140524144512Z", .data = "140524144512Z", .time = 1400942712, }, { .str = "240401144512Z", .data = "240401144512Z", .time = 1711982712, }, }; #define N_INVTIME_TESTS \ (sizeof(rfc5280_invtime_tests) / sizeof(*rfc5280_invtime_tests)) #define N_GENTIME_TESTS \ (sizeof(rfc5280_gentime_tests) / sizeof(*rfc5280_gentime_tests)) #define N_UTCTIME_TESTS \ (sizeof(rfc5280_utctime_tests) / sizeof(*rfc5280_utctime_tests)) static int asn1_compare_str(int test_no, struct asn1_string_st *asn1str, const char *str) { int length = strlen(str); if (asn1str->length != length) { fprintf(stderr, "FAIL: test %d - string lengths differ " "(%d != %d)\n", test_no, asn1str->length, length); return (1); } if (strncmp(asn1str->data, str, length) != 0) { fprintf(stderr, "FAIL: test %d - strings differ " "('%s' != '%s')\n", test_no, asn1str->data, str); return (1); } return (0); } static int rfc5280_invtime_test(int test_no, struct rfc5280_time_test *att) { ASN1_GENERALIZEDTIME *gt = NULL; ASN1_UTCTIME *ut = NULL; ASN1_TIME *t = NULL; int failure = 1; time_t now = time(NULL); if ((gt = ASN1_GENERALIZEDTIME_new()) == NULL) goto done; if ((ut = ASN1_UTCTIME_new()) == NULL) goto done; if ((t = ASN1_TIME_new()) == NULL) goto done; if (ASN1_GENERALIZEDTIME_set_string(gt, att->str) != 0) { if (X509_cmp_time(gt, &now) != 0) { fprintf(stderr, "FAIL: test %d - successfully parsed as GENTIME " "string '%s'\n", test_no, att->str); goto done; } } if (ASN1_UTCTIME_set_string(ut, att->str) != 0) { if (X509_cmp_time(ut, &now) != 0) { fprintf(stderr, "FAIL: test %d - successfully parsed as UTCTIME " "string '%s'\n", test_no, att->str); goto done; } } failure = 0; done: ASN1_GENERALIZEDTIME_free(gt); ASN1_UTCTIME_free(ut); ASN1_TIME_free(t); return (failure); } static int rfc5280_gentime_test(int test_no, struct rfc5280_time_test *att) { unsigned char *p = NULL; ASN1_GENERALIZEDTIME *gt; int failure = 1; int i; if ((gt = ASN1_GENERALIZEDTIME_new()) == NULL) goto done; if (ASN1_GENERALIZEDTIME_set_string(gt, att->str) != 1) { fprintf(stderr, "FAIL: test %d - failed to set string '%s'\n", test_no, att->str); goto done; } if (asn1_compare_str(test_no, gt, att->str) != 0) goto done; if ((i = X509_cmp_time(gt, &att->time)) != -1) { fprintf(stderr, "FAIL: test %d - X509_cmp_time failed - returned %d compared to %lld\n", test_no, i, (long long)att->time); goto done; } att->time--; if ((i = X509_cmp_time(gt, &att->time)) != 1) { fprintf(stderr, "FAIL: test %d - X509_cmp_time failed - returned %d compared to %lld\n", test_no, i, (long long)att->time); goto done; } att->time++; ASN1_GENERALIZEDTIME_free(gt); if ((gt = ASN1_GENERALIZEDTIME_set(NULL, att->time)) == NULL) { fprintf(stderr, "FAIL: test %d - failed to set time %lld\n", test_no, (long long)att->time); goto done; } if (asn1_compare_str(test_no, gt, att->data) != 0) goto done; failure = 0; done: ASN1_GENERALIZEDTIME_free(gt); free(p); return (failure); } static int rfc5280_utctime_test(int test_no, struct rfc5280_time_test *att) { unsigned char *p = NULL; ASN1_UTCTIME *ut; int failure = 1; int i; if ((ut = ASN1_UTCTIME_new()) == NULL) goto done; if (ASN1_UTCTIME_set_string(ut, att->str) != 1) { fprintf(stderr, "FAIL: test %d - failed to set string '%s'\n", test_no, att->str); goto done; } if (asn1_compare_str(test_no, ut, att->str) != 0) goto done; if ((i = X509_cmp_time(ut, &att->time)) != -1) { fprintf(stderr, "FAIL: test %d - X509_cmp_time failed - returned %d compared to %lld\n", test_no, i, (long long)att->time); goto done; } att->time--; if ((i = X509_cmp_time(ut, &att->time)) != 1) { fprintf(stderr, "FAIL: test %d - X509_cmp_time failed - returned %d compared to %lld\n", test_no, i, (long long)att->time); goto done; } att->time++; ASN1_UTCTIME_free(ut); if ((ut = ASN1_UTCTIME_set(NULL, att->time)) == NULL) { fprintf(stderr, "FAIL: test %d - failed to set time %lld\n", test_no, (long long)att->time); goto done; } if (asn1_compare_str(test_no, ut, att->data) != 0) goto done; failure = 0; done: ASN1_UTCTIME_free(ut); free(p); return (failure); } int main(int argc, char **argv) { struct rfc5280_time_test *att; int failed = 0; size_t i; fprintf(stderr, "RFC5280 Invalid time tests...\n"); for (i = 0; i < N_INVTIME_TESTS; i++) { att = &rfc5280_invtime_tests[i]; failed |= rfc5280_invtime_test(i, att); } fprintf(stderr, "RFC5280 GENERALIZEDTIME tests...\n"); for (i = 0; i < N_GENTIME_TESTS; i++) { att = &rfc5280_gentime_tests[i]; failed |= rfc5280_gentime_test(i, att); } fprintf(stderr, "RFC5280 UTCTIME tests...\n"); for (i = 0; i < N_UTCTIME_TESTS; i++) { att = &rfc5280_utctime_tests[i]; failed |= rfc5280_utctime_test(i, att); } return (failed); }