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asn1_time_test.c
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/*
* Copyright 1999-2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/* Time tests for the asn1 module */
#include <stdio.h>
#include <string.h>
#include <crypto/asn1.h>
#include <openssl/asn1.h>
#include <openssl/evp.h>
#include <openssl/objects.h>
#include "testutil.h"
#include "internal/nelem.h"
struct testdata {
char *data; /* TIME string value */
int type; /* GENERALIZED OR UTC */
int expected_type; /* expected type after set/set_string_gmt */
int check_result; /* check result */
time_t t; /* expected time_t*/
int cmp_result; /* comparison to baseline result */
int convert_result; /* conversion result */
};
struct TESTDATA_asn1_to_utc {
char *input;
time_t expected;
};
static const struct TESTDATA_asn1_to_utc asn1_to_utc[] = {
{
/*
* last second of standard time in central Europe in 2021
* specified in GMT
*/
"210328005959Z",
1616893199,
},
{
/*
* first second of daylight saving time in central Europe in 2021
* specified in GMT
*/
"210328010000Z",
1616893200,
},
{
/*
* last second of standard time in central Europe in 2021
* specified in offset to GMT
*/
"20210328015959+0100",
1616893199,
},
{
/*
* first second of daylight saving time in central Europe in 2021
* specified in offset to GMT
*/
"20210328030000+0200",
1616893200,
},
{
/*
* Invalid strings should get -1 as a result
*/
"INVALID",
-1,
},
};
static struct testdata tbl_testdata_pos[] = {
{ "0", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, }, /* Bad time */
{ "ABCD", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "0ABCD", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "1-700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "`9700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "19700101000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 0, },
{ "A00101000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 0, },
{ "A9700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "1A700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "19A00101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "197A0101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "1970A101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "19700A01000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "197001A1000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "1970010A000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "19700101A00000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "197001010A0000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "1970010100A000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "19700101000A00Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "197001010000A0Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "1970010100000AZ", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "700101000000X", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 0, },
{ "19700101000000X", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 0, 0, 0, 0, },
{ "19700101000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 0, -1, 1, }, /* Epoch begins */
{ "700101000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 0, -1, 1, }, /* ditto */
{ "20380119031407Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 0x7FFFFFFF, 1, 1, }, /* Max 32bit time_t */
{ "380119031407Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 0x7FFFFFFF, 1, 1, },
{ "20371231235959Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 2145916799, 1, 1, }, /* Just before 2038 */
{ "20371231235959Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 0, 0, 0, 1, }, /* Bad UTC time */
{ "371231235959Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 2145916799, 1, 1, },
{ "19701006121456Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 24063296, -1, 1, },
{ "701006121456Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 24063296, -1, 1, },
{ "19991231000000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, /* Match baseline */
{ "199912310000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, }, /* In various flavors */
{ "991231000000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
{ "9912310000Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
{ "9912310000+0000", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
{ "199912310000+0000", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
{ "9912310000-0000", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
{ "199912310000-0000", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
{ "199912310100+0100", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
{ "199912302300-0100", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
{ "199912302300-A000", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 0, 946598400, 0, 1, },
{ "199912302300-0A00", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 0, 946598400, 0, 1, },
{ "9912310100+0100", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
{ "9912302300-0100", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, 946598400, 0, 1, },
};
/* ASSUMES SIGNED TIME_T */
static struct testdata tbl_testdata_neg[] = {
{ "19011213204552Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, INT_MIN, -1, 0, },
{ "691006121456Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, -7472704, -1, 1, },
{ "19691006121456Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, -7472704, -1, 1, },
};
/* explicit casts to time_t short warnings on systems with 32-bit time_t */
static struct testdata tbl_testdata_pos_64bit[] = {
{ "20380119031408Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, (time_t)0x80000000, 1, 1, },
{ "20380119031409Z", V_ASN1_GENERALIZEDTIME, V_ASN1_UTCTIME, 1, (time_t)0x80000001, 1, 1, },
{ "380119031408Z", V_ASN1_UTCTIME, V_ASN1_UTCTIME, 1, (time_t)0x80000000, 1, 1, },
{ "20500101120000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, (time_t)0x967b1ec0, 1, 0, },
};
/* ASSUMES SIGNED TIME_T */
static struct testdata tbl_testdata_neg_64bit[] = {
{ "19011213204551Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, (time_t)-2147483649LL, -1, 0, },
{ "19000101120000Z", V_ASN1_GENERALIZEDTIME, V_ASN1_GENERALIZEDTIME, 1, (time_t)-2208945600LL, -1, 0, },
};
/* A baseline time to compare to */
static ASN1_TIME gtime = {
15,
V_ASN1_GENERALIZEDTIME,
(unsigned char*)"19991231000000Z",
0
};
static time_t gtime_t = 946598400;
static int test_table(struct testdata *tbl, int idx)
{
int error = 0;
ASN1_TIME atime;
ASN1_TIME *ptime;
struct testdata *td = &tbl[idx];
int day, sec;
atime.data = (unsigned char*)td->data;
atime.length = strlen((char*)atime.data);
atime.type = td->type;
atime.flags = 0;
if (!TEST_int_eq(ASN1_TIME_check(&atime), td->check_result)) {
TEST_info("ASN1_TIME_check(%s) unexpected result", atime.data);
error = 1;
}
if (td->check_result == 0)
return 1;
if (!TEST_int_eq(ASN1_TIME_cmp_time_t(&atime, td->t), 0)) {
TEST_info("ASN1_TIME_cmp_time_t(%s vs %ld) compare failed", atime.data, (long)td->t);
error = 1;
}
if (!TEST_true(ASN1_TIME_diff(&day, &sec, &atime, &atime))) {
TEST_info("ASN1_TIME_diff(%s) to self failed", atime.data);
error = 1;
}
if (!TEST_int_eq(day, 0) || !TEST_int_eq(sec, 0)) {
TEST_info("ASN1_TIME_diff(%s) to self not equal", atime.data);
error = 1;
}
if (!TEST_true(ASN1_TIME_diff(&day, &sec, >ime, &atime))) {
TEST_info("ASN1_TIME_diff(%s) to baseline failed", atime.data);
error = 1;
} else if (!((td->cmp_result == 0 && TEST_true((day == 0 && sec == 0))) ||
(td->cmp_result == -1 && TEST_true((day < 0 || sec < 0))) ||
(td->cmp_result == 1 && TEST_true((day > 0 || sec > 0))))) {
TEST_info("ASN1_TIME_diff(%s) to baseline bad comparison", atime.data);
error = 1;
}
if (!TEST_int_eq(ASN1_TIME_cmp_time_t(&atime, gtime_t), td->cmp_result)) {
TEST_info("ASN1_TIME_cmp_time_t(%s) to baseline bad comparison", atime.data);
error = 1;
}
ptime = ASN1_TIME_set(NULL, td->t);
if (!TEST_ptr(ptime)) {
TEST_info("ASN1_TIME_set(%ld) failed", (long)td->t);
error = 1;
} else {
int local_error = 0;
if (!TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, td->t), 0)) {
TEST_info("ASN1_TIME_set(%ld) compare failed (%s->%s)",
(long)td->t, td->data, ptime->data);
local_error = error = 1;
}
if (!TEST_int_eq(ptime->type, td->expected_type)) {
TEST_info("ASN1_TIME_set(%ld) unexpected type", (long)td->t);
local_error = error = 1;
}
if (local_error)
TEST_info("ASN1_TIME_set() = %*s", ptime->length, ptime->data);
ASN1_TIME_free(ptime);
}
ptime = ASN1_TIME_new();
if (!TEST_ptr(ptime)) {
TEST_info("ASN1_TIME_new() failed");
error = 1;
} else {
int local_error = 0;
if (!TEST_int_eq(ASN1_TIME_set_string(ptime, td->data), td->check_result)) {
TEST_info("ASN1_TIME_set_string_gmt(%s) failed", td->data);
local_error = error = 1;
}
if (!TEST_int_eq(ASN1_TIME_normalize(ptime), td->check_result)) {
TEST_info("ASN1_TIME_normalize(%s) failed", td->data);
local_error = error = 1;
}
if (!TEST_int_eq(ptime->type, td->expected_type)) {
TEST_info("ASN1_TIME_set_string_gmt(%s) unexpected type", td->data);
local_error = error = 1;
}
day = sec = 0;
if (!TEST_true(ASN1_TIME_diff(&day, &sec, ptime, &atime)) || !TEST_int_eq(day, 0) || !TEST_int_eq(sec, 0)) {
TEST_info("ASN1_TIME_diff(day=%d, sec=%d, %s) after ASN1_TIME_set_string_gmt() failed", day, sec, td->data);
local_error = error = 1;
}
if (!TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, gtime_t), td->cmp_result)) {
TEST_info("ASN1_TIME_cmp_time_t(%s) after ASN1_TIME_set_string_gnt() to baseline bad comparison", td->data);
local_error = error = 1;
}
if (local_error)
TEST_info("ASN1_TIME_set_string_gmt() = %*s", ptime->length, ptime->data);
ASN1_TIME_free(ptime);
}
ptime = ASN1_TIME_new();
if (!TEST_ptr(ptime)) {
TEST_info("ASN1_TIME_new() failed");
error = 1;
} else {
int local_error = 0;
if (!TEST_int_eq(ASN1_TIME_set_string(ptime, td->data), td->check_result)) {
TEST_info("ASN1_TIME_set_string(%s) failed", td->data);
local_error = error = 1;
}
day = sec = 0;
if (!TEST_true(ASN1_TIME_diff(&day, &sec, ptime, &atime)) || !TEST_int_eq(day, 0) || !TEST_int_eq(sec, 0)) {
TEST_info("ASN1_TIME_diff(day=%d, sec=%d, %s) after ASN1_TIME_set_string() failed", day, sec, td->data);
local_error = error = 1;
}
if (!TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, gtime_t), td->cmp_result)) {
TEST_info("ASN1_TIME_cmp_time_t(%s) after ASN1_TIME_set_string() to baseline bad comparison", td->data);
local_error = error = 1;
}
if (local_error)
TEST_info("ASN1_TIME_set_string() = %*s", ptime->length, ptime->data);
ASN1_TIME_free(ptime);
}
if (td->type == V_ASN1_UTCTIME) {
ptime = ASN1_TIME_to_generalizedtime(&atime, NULL);
if (td->convert_result == 1 && !TEST_ptr(ptime)) {
TEST_info("ASN1_TIME_to_generalizedtime(%s) failed", atime.data);
error = 1;
} else if (td->convert_result == 0 && !TEST_ptr_null(ptime)) {
TEST_info("ASN1_TIME_to_generalizedtime(%s) should have failed", atime.data);
error = 1;
}
if (ptime != NULL && !TEST_int_eq(ASN1_TIME_cmp_time_t(ptime, td->t), 0)) {
TEST_info("ASN1_TIME_to_generalizedtime(%s->%s) bad result", atime.data, ptime->data);
error = 1;
}
ASN1_TIME_free(ptime);
}
/* else cannot simply convert GENERALIZEDTIME to UTCTIME */
if (error)
TEST_error("atime=%s", atime.data);
return !error;
}
static int test_table_pos(int idx)
{
return test_table(tbl_testdata_pos, idx);
}
static int test_table_neg(int idx)
{
return test_table(tbl_testdata_neg, idx);
}
static int test_table_pos_64bit(int idx)
{
return test_table(tbl_testdata_pos_64bit, idx);
}
static int test_table_neg_64bit(int idx)
{
return test_table(tbl_testdata_neg_64bit, idx);
}
struct compare_testdata {
ASN1_TIME t1;
ASN1_TIME t2;
int result;
};
static unsigned char TODAY_GEN_STR[] = "20170825000000Z";
static unsigned char TOMORROW_GEN_STR[] = "20170826000000Z";
static unsigned char TODAY_UTC_STR[] = "170825000000Z";
static unsigned char TOMORROW_UTC_STR[] = "170826000000Z";
#define TODAY_GEN { sizeof(TODAY_GEN_STR)-1, V_ASN1_GENERALIZEDTIME, TODAY_GEN_STR, 0 }
#define TOMORROW_GEN { sizeof(TOMORROW_GEN_STR)-1, V_ASN1_GENERALIZEDTIME, TOMORROW_GEN_STR, 0 }
#define TODAY_UTC { sizeof(TODAY_UTC_STR)-1, V_ASN1_UTCTIME, TODAY_UTC_STR, 0 }
#define TOMORROW_UTC { sizeof(TOMORROW_UTC_STR)-1, V_ASN1_UTCTIME, TOMORROW_UTC_STR, 0 }
static struct compare_testdata tbl_compare_testdata[] = {
{ TODAY_GEN, TODAY_GEN, 0 },
{ TODAY_GEN, TODAY_UTC, 0 },
{ TODAY_GEN, TOMORROW_GEN, -1 },
{ TODAY_GEN, TOMORROW_UTC, -1 },
{ TODAY_UTC, TODAY_GEN, 0 },
{ TODAY_UTC, TODAY_UTC, 0 },
{ TODAY_UTC, TOMORROW_GEN, -1 },
{ TODAY_UTC, TOMORROW_UTC, -1 },
{ TOMORROW_GEN, TODAY_GEN, 1 },
{ TOMORROW_GEN, TODAY_UTC, 1 },
{ TOMORROW_GEN, TOMORROW_GEN, 0 },
{ TOMORROW_GEN, TOMORROW_UTC, 0 },
{ TOMORROW_UTC, TODAY_GEN, 1 },
{ TOMORROW_UTC, TODAY_UTC, 1 },
{ TOMORROW_UTC, TOMORROW_GEN, 0 },
{ TOMORROW_UTC, TOMORROW_UTC, 0 }
};
static int test_table_compare(int idx)
{
struct compare_testdata *td = &tbl_compare_testdata[idx];
return TEST_int_eq(ASN1_TIME_compare(&td->t1, &td->t2), td->result);
}
static int test_time_dup(void)
{
int ret = 0;
ASN1_TIME *asn1_time = NULL;
ASN1_TIME *asn1_time_dup = NULL;
ASN1_TIME *asn1_gentime = NULL;
asn1_time = ASN1_TIME_adj(NULL, time(NULL), 0, 0);
if (asn1_time == NULL) {
TEST_info("Internal error.");
goto err;
}
asn1_gentime = ASN1_TIME_to_generalizedtime(asn1_time, NULL);
if (asn1_gentime == NULL) {
TEST_info("Internal error.");
goto err;
}
asn1_time_dup = ASN1_TIME_dup(asn1_time);
if (!TEST_ptr_ne(asn1_time_dup, NULL)) {
TEST_info("ASN1_TIME_dup() failed.");
goto err;
}
if (!TEST_int_eq(ASN1_TIME_compare(asn1_time, asn1_time_dup), 0)) {
TEST_info("ASN1_TIME_dup() duplicated non-identical value.");
goto err;
}
ASN1_STRING_free(asn1_time_dup);
asn1_time_dup = ASN1_UTCTIME_dup(asn1_time);
if (!TEST_ptr_ne(asn1_time_dup, NULL)) {
TEST_info("ASN1_UTCTIME_dup() failed.");
goto err;
}
if (!TEST_int_eq(ASN1_TIME_compare(asn1_time, asn1_time_dup), 0)) {
TEST_info("ASN1_UTCTIME_dup() duplicated non-identical UTCTIME value.");
goto err;
}
ASN1_STRING_free(asn1_time_dup);
asn1_time_dup = ASN1_GENERALIZEDTIME_dup(asn1_gentime);
if (!TEST_ptr_ne(asn1_time_dup, NULL)) {
TEST_info("ASN1_GENERALIZEDTIME_dup() failed.");
goto err;
}
if (!TEST_int_eq(ASN1_TIME_compare(asn1_gentime, asn1_time_dup), 0)) {
TEST_info("ASN1_GENERALIZEDTIME_dup() dup'ed non-identical value.");
goto err;
}
ret = 1;
err:
ASN1_STRING_free(asn1_time);
ASN1_STRING_free(asn1_gentime);
ASN1_STRING_free(asn1_time_dup);
return ret;
}
static int convert_asn1_to_time_t(int idx)
{
time_t testdateutc;
testdateutc = ossl_asn1_string_to_time_t(asn1_to_utc[idx].input);
if (!TEST_time_t_eq(testdateutc, asn1_to_utc[idx].expected)) {
TEST_info("ossl_asn1_string_to_time_t (%s) failed: expected %lli, got %lli\n",
asn1_to_utc[idx].input,
(long long int)asn1_to_utc[idx].expected,
(long long int)testdateutc);
return 0;
}
return 1;
}
int setup_tests(void)
{
/*
* On platforms where |time_t| is an unsigned integer, t will be a
* positive number.
*
* We check if we're on a platform with a signed |time_t| with '!(t > 0)'
* because some compilers are picky if you do 't < 0', or even 't <= 0'
* if |t| is unsigned.
*/
time_t t = -1;
/*
* On some platforms, |time_t| is signed, but a negative value is an
* error, and using it with gmtime() or localtime() generates a NULL.
* If that is the case, we can't perform tests on negative values.
*/
struct tm *ptm = localtime(&t);
ADD_ALL_TESTS(test_table_pos, OSSL_NELEM(tbl_testdata_pos));
if (!(t > 0) && ptm != NULL) {
TEST_info("Adding negative-sign time_t tests");
ADD_ALL_TESTS(test_table_neg, OSSL_NELEM(tbl_testdata_neg));
}
if (sizeof(time_t) > sizeof(uint32_t)) {
TEST_info("Adding 64-bit time_t tests");
ADD_ALL_TESTS(test_table_pos_64bit, OSSL_NELEM(tbl_testdata_pos_64bit));
#ifndef __hpux
if (!(t > 0) && ptm != NULL) {
TEST_info("Adding negative-sign 64-bit time_t tests");
ADD_ALL_TESTS(test_table_neg_64bit, OSSL_NELEM(tbl_testdata_neg_64bit));
}
#endif
}
ADD_ALL_TESTS(test_table_compare, OSSL_NELEM(tbl_compare_testdata));
ADD_TEST(test_time_dup);
ADD_ALL_TESTS(convert_asn1_to_time_t, OSSL_NELEM(asn1_to_utc));
return 1;
}