| /* |
| * Copyright 2017 The OpenSSL Project Authors. All Rights Reserved. |
| * |
| * Licensed under the OpenSSL license (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 |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <openssl/rand.h> |
| #include <openssl/asn1t.h> |
| #include "internal/numbers.h" |
| #include "testutil.h" |
| |
| #ifdef __GNUC__ |
| # pragma GCC diagnostic ignored "-Wunused-function" |
| # pragma GCC diagnostic ignored "-Wformat" |
| #endif |
| #ifdef __clang__ |
| # pragma clang diagnostic ignored "-Wunused-function" |
| # pragma clang diagnostic ignored "-Wformat" |
| #endif |
| |
| /***** Custom test data ******************************************************/ |
| |
| /* |
| * We conduct tests with these arrays for every type we try out. |
| * You will find the expected results together with the test structures |
| * for each type, further down. |
| */ |
| |
| static unsigned char t_zero[] = { |
| 0x00 |
| }; |
| static unsigned char t_one[] = { |
| 0x01 |
| }; |
| static unsigned char t_one_neg[] = { |
| 0xff |
| }; |
| static unsigned char t_minus_256[] = { |
| 0xff, 0x00 |
| }; |
| static unsigned char t_longundef[] = { |
| 0x7f, 0xff, 0xff, 0xff |
| }; |
| static unsigned char t_9bytes_1[] = { |
| 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| }; |
| static unsigned char t_8bytes_1[] = { |
| 0x00, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| }; |
| static unsigned char t_8bytes_2[] = { |
| 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| }; |
| static unsigned char t_8bytes_3_pad[] = { |
| 0x00, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff |
| }; |
| static unsigned char t_8bytes_4_neg[] = { |
| 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| }; |
| static unsigned char t_8bytes_5_negpad[] = { |
| 0xff, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 |
| }; |
| |
| /* 32-bit long */ |
| static unsigned char t_5bytes_1[] = { |
| 0x01, 0xff, 0xff, 0xff, 0xff |
| }; |
| static unsigned char t_4bytes_1[] = { |
| 0x00, 0x80, 0x00, 0x00, 0x00 |
| }; |
| /* We make the last byte 0xfe to avoid a clash with ASN1_LONG_UNDEF */ |
| static unsigned char t_4bytes_2[] = { |
| 0x7f, 0xff, 0xff, 0xfe |
| }; |
| static unsigned char t_4bytes_3_pad[] = { |
| 0x00, 0x7f, 0xff, 0xff, 0xfe |
| }; |
| static unsigned char t_4bytes_4_neg[] = { |
| 0x80, 0x00, 0x00, 0x00 |
| }; |
| static unsigned char t_4bytes_5_negpad[] = { |
| 0xff, 0x80, 0x00, 0x00, 0x00 |
| }; |
| |
| typedef struct { |
| unsigned char *bytes1; |
| size_t nbytes1; |
| unsigned char *bytes2; |
| size_t nbytes2; |
| } TEST_CUSTOM_DATA; |
| #define CUSTOM_DATA(v) \ |
| { v, sizeof(v), t_one, sizeof(t_one) }, \ |
| { t_one, sizeof(t_one), v, sizeof(v) } |
| |
| static TEST_CUSTOM_DATA test_custom_data[] = { |
| CUSTOM_DATA(t_zero), |
| CUSTOM_DATA(t_longundef), |
| CUSTOM_DATA(t_one), |
| CUSTOM_DATA(t_one_neg), |
| CUSTOM_DATA(t_minus_256), |
| CUSTOM_DATA(t_9bytes_1), |
| CUSTOM_DATA(t_8bytes_1), |
| CUSTOM_DATA(t_8bytes_2), |
| CUSTOM_DATA(t_8bytes_3_pad), |
| CUSTOM_DATA(t_8bytes_4_neg), |
| CUSTOM_DATA(t_8bytes_5_negpad), |
| CUSTOM_DATA(t_5bytes_1), |
| CUSTOM_DATA(t_4bytes_1), |
| CUSTOM_DATA(t_4bytes_2), |
| CUSTOM_DATA(t_4bytes_3_pad), |
| CUSTOM_DATA(t_4bytes_4_neg), |
| CUSTOM_DATA(t_4bytes_5_negpad), |
| }; |
| |
| |
| /***** Type specific test data ***********************************************/ |
| |
| /* |
| * First, a few utility things that all type specific data can use, or in some |
| * cases, MUST use. |
| */ |
| |
| /* |
| * For easy creation of arrays of expected data. These macros correspond to |
| * the uses of CUSTOM_DATA above. |
| */ |
| #define CUSTOM_EXPECTED_SUCCESS(num, znum) \ |
| { 0xff, num, 1 }, \ |
| { 0xff, 1, znum } |
| #define CUSTOM_EXPECTED_FAILURE \ |
| { 0, 0, 0 }, \ |
| { 0, 0, 0 } |
| |
| /* |
| * A structure to collect all test information in. There MUST be one instance |
| * of this for each test |
| */ |
| typedef int i2d_fn(void *a, unsigned char **pp); |
| typedef void *d2i_fn(void **a, unsigned char **pp, long length); |
| typedef void ifree_fn(void *a); |
| typedef struct { |
| ASN1_ITEM_EXP *asn1_type; |
| const char *name; |
| int skip; /* 1 if this package should be skipped */ |
| |
| /* An array of structures to compare decoded custom data with */ |
| void *encode_expectations; |
| size_t encode_expectations_size; |
| size_t encode_expectations_elem_size; |
| |
| /* |
| * An array of structures that are encoded into a DER blob, which is |
| * then decoded, and result gets compared with the original. |
| */ |
| void *encdec_data; |
| size_t encdec_data_size; |
| size_t encdec_data_elem_size; |
| |
| /* The i2d function to use with this type */ |
| i2d_fn *i2d; |
| /* The d2i function to use with this type */ |
| d2i_fn *d2i; |
| /* Function to free a decoded structure */ |
| ifree_fn *ifree; |
| } TEST_PACKAGE; |
| |
| /* To facilitate the creation of an encdec_data array */ |
| #define ENCDEC_DATA(num, znum) \ |
| { 0xff, num, 1 }, { 0xff, 1, znum } |
| #define ENCDEC_ARRAY(max, zmax, min, zmin) \ |
| ENCDEC_DATA(max,zmax), \ |
| ENCDEC_DATA(min,zmin), \ |
| ENCDEC_DATA(1, 1), \ |
| ENCDEC_DATA(-1, -1), \ |
| ENCDEC_DATA(0, ASN1_LONG_UNDEF) |
| |
| #if OPENSSL_API_COMPAT < 0x10200000L |
| /***** LONG ******************************************************************/ |
| |
| typedef struct { |
| /* If decoding is expected to succeed, set this to 1, otherwise 0 */ |
| ASN1_BOOLEAN success; |
| long test_long; |
| long test_zlong; |
| } ASN1_LONG_DATA; |
| |
| ASN1_SEQUENCE(ASN1_LONG_DATA) = { |
| ASN1_SIMPLE(ASN1_LONG_DATA, success, ASN1_FBOOLEAN), |
| ASN1_SIMPLE(ASN1_LONG_DATA, test_long, LONG), |
| ASN1_EXP_OPT(ASN1_LONG_DATA, test_zlong, ZLONG, 0) |
| } static_ASN1_SEQUENCE_END(ASN1_LONG_DATA) |
| |
| IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_LONG_DATA) |
| IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_LONG_DATA) |
| |
| static ASN1_LONG_DATA long_expected_32bit[] = { |
| /* The following should fail on the second because it's the default */ |
| { 0xff, 0, 1 }, { 0, 0, 0 }, /* t_zero */ |
| { 0, 0, 0 }, { 0xff, 1, 0x7fffffff }, /* t_longundef */ |
| CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */ |
| CUSTOM_EXPECTED_SUCCESS(-1, -1), /* t_one_neg */ |
| CUSTOM_EXPECTED_SUCCESS(-256, -256), /* t_minus_256 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_1 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_4_neg */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad */ |
| CUSTOM_EXPECTED_FAILURE, /* t_5bytes_1 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_1 (too large positive) */ |
| CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */ |
| CUSTOM_EXPECTED_SUCCESS(INT32_MIN, INT32_MIN), /* t_4bytes_4_neg */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */ |
| }; |
| static ASN1_LONG_DATA long_encdec_data_32bit[] = { |
| ENCDEC_ARRAY(LONG_MAX - 1, LONG_MAX, LONG_MIN, LONG_MIN), |
| /* Check that default numbers fail */ |
| { 0, ASN1_LONG_UNDEF, 1 }, { 0, 1, 0 } |
| }; |
| |
| static TEST_PACKAGE long_test_package_32bit = { |
| ASN1_ITEM_ref(ASN1_LONG_DATA), "LONG", sizeof(long) != 4, |
| long_expected_32bit, |
| sizeof(long_expected_32bit), sizeof(long_expected_32bit[0]), |
| long_encdec_data_32bit, |
| sizeof(long_encdec_data_32bit), sizeof(long_encdec_data_32bit[0]), |
| (i2d_fn *)i2d_ASN1_LONG_DATA, (d2i_fn *)d2i_ASN1_LONG_DATA, |
| (ifree_fn *)ASN1_LONG_DATA_free |
| }; |
| |
| static ASN1_LONG_DATA long_expected_64bit[] = { |
| /* The following should fail on the second because it's the default */ |
| { 0xff, 0, 1 }, { 0, 0, 0 }, /* t_zero */ |
| { 0, 0, 0 }, { 0xff, 1, 0x7fffffff }, /* t_longundef */ |
| CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */ |
| CUSTOM_EXPECTED_SUCCESS(-1, -1), /* t_one_neg */ |
| CUSTOM_EXPECTED_SUCCESS(-256, -256), /* t_minus_256 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS(LONG_MAX, LONG_MAX), /* t_8bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad (illegal padding) */ |
| CUSTOM_EXPECTED_SUCCESS(LONG_MIN, LONG_MIN), /* t_8bytes_4_neg */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad (illegal padding) */ |
| CUSTOM_EXPECTED_SUCCESS((long)0x1ffffffff, (long)0x1ffffffff), /* t_5bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS((long)0x80000000, (long)0x80000000), /* t_4bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */ |
| CUSTOM_EXPECTED_SUCCESS(INT32_MIN, INT32_MIN), /* t_4bytes_4_neg */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */ |
| }; |
| static ASN1_LONG_DATA long_encdec_data_64bit[] = { |
| ENCDEC_ARRAY(LONG_MAX, LONG_MAX, LONG_MIN, LONG_MIN), |
| /* Check that default numbers fail */ |
| { 0, ASN1_LONG_UNDEF, 1 }, { 0, 1, 0 } |
| }; |
| |
| static TEST_PACKAGE long_test_package_64bit = { |
| ASN1_ITEM_ref(ASN1_LONG_DATA), "LONG", sizeof(long) != 8, |
| long_expected_64bit, |
| sizeof(long_expected_64bit), sizeof(long_expected_64bit[0]), |
| long_encdec_data_64bit, |
| sizeof(long_encdec_data_64bit), sizeof(long_encdec_data_64bit[0]), |
| (i2d_fn *)i2d_ASN1_LONG_DATA, (d2i_fn *)d2i_ASN1_LONG_DATA, |
| (ifree_fn *)ASN1_LONG_DATA_free |
| }; |
| #endif |
| |
| /***** INT32 *****************************************************************/ |
| |
| typedef struct { |
| ASN1_BOOLEAN success; |
| int32_t test_int32; |
| int32_t test_zint32; |
| } ASN1_INT32_DATA; |
| |
| ASN1_SEQUENCE(ASN1_INT32_DATA) = { |
| ASN1_SIMPLE(ASN1_INT32_DATA, success, ASN1_FBOOLEAN), |
| ASN1_EMBED(ASN1_INT32_DATA, test_int32, INT32), |
| ASN1_EXP_OPT_EMBED(ASN1_INT32_DATA, test_zint32, ZINT32, 0) |
| } static_ASN1_SEQUENCE_END(ASN1_INT32_DATA) |
| |
| IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_INT32_DATA) |
| IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_INT32_DATA) |
| |
| static ASN1_INT32_DATA int32_expected[] = { |
| CUSTOM_EXPECTED_SUCCESS(0, 0), /* t_zero */ |
| CUSTOM_EXPECTED_SUCCESS(ASN1_LONG_UNDEF, ASN1_LONG_UNDEF), /* t_zero */ |
| CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */ |
| CUSTOM_EXPECTED_SUCCESS(-1, -1), /* t_one_neg */ |
| CUSTOM_EXPECTED_SUCCESS(-256, -256), /* t_minus_256 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_1 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_4_neg */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad */ |
| CUSTOM_EXPECTED_FAILURE, /* t_5bytes_1 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_1 (too large positive) */ |
| CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */ |
| CUSTOM_EXPECTED_SUCCESS(INT32_MIN, INT32_MIN), /* t_4bytes_4_neg */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */ |
| }; |
| static ASN1_INT32_DATA int32_encdec_data[] = { |
| ENCDEC_ARRAY(INT32_MAX, INT32_MAX, INT32_MIN, INT32_MIN), |
| }; |
| |
| static TEST_PACKAGE int32_test_package = { |
| ASN1_ITEM_ref(ASN1_INT32_DATA), "INT32", 0, |
| int32_expected, sizeof(int32_expected), sizeof(int32_expected[0]), |
| int32_encdec_data, sizeof(int32_encdec_data), sizeof(int32_encdec_data[0]), |
| (i2d_fn *)i2d_ASN1_INT32_DATA, (d2i_fn *)d2i_ASN1_INT32_DATA, |
| (ifree_fn *)ASN1_INT32_DATA_free |
| }; |
| |
| /***** UINT32 ****************************************************************/ |
| |
| typedef struct { |
| ASN1_BOOLEAN success; |
| uint32_t test_uint32; |
| uint32_t test_zuint32; |
| } ASN1_UINT32_DATA; |
| |
| ASN1_SEQUENCE(ASN1_UINT32_DATA) = { |
| ASN1_SIMPLE(ASN1_UINT32_DATA, success, ASN1_FBOOLEAN), |
| ASN1_EMBED(ASN1_UINT32_DATA, test_uint32, UINT32), |
| ASN1_EXP_OPT_EMBED(ASN1_UINT32_DATA, test_zuint32, ZUINT32, 0) |
| } static_ASN1_SEQUENCE_END(ASN1_UINT32_DATA) |
| |
| IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_UINT32_DATA) |
| IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_UINT32_DATA) |
| |
| static ASN1_UINT32_DATA uint32_expected[] = { |
| CUSTOM_EXPECTED_SUCCESS(0, 0), /* t_zero */ |
| CUSTOM_EXPECTED_SUCCESS(ASN1_LONG_UNDEF, ASN1_LONG_UNDEF), /* t_zero */ |
| CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */ |
| CUSTOM_EXPECTED_FAILURE, /* t_one_neg (illegal negative value) */ |
| CUSTOM_EXPECTED_FAILURE, /* t_minus_256 (illegal negative value) */ |
| CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_1 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_4_neg */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad */ |
| CUSTOM_EXPECTED_FAILURE, /* t_5bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS(0x80000000, 0x80000000), /* t_4bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_4_neg (illegal negative value) */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */ |
| }; |
| static ASN1_UINT32_DATA uint32_encdec_data[] = { |
| ENCDEC_ARRAY(UINT32_MAX, UINT32_MAX, 0, 0), |
| }; |
| |
| static TEST_PACKAGE uint32_test_package = { |
| ASN1_ITEM_ref(ASN1_UINT32_DATA), "UINT32", 0, |
| uint32_expected, sizeof(uint32_expected), sizeof(uint32_expected[0]), |
| uint32_encdec_data, sizeof(uint32_encdec_data), sizeof(uint32_encdec_data[0]), |
| (i2d_fn *)i2d_ASN1_UINT32_DATA, (d2i_fn *)d2i_ASN1_UINT32_DATA, |
| (ifree_fn *)ASN1_UINT32_DATA_free |
| }; |
| |
| /***** INT64 *****************************************************************/ |
| |
| typedef struct { |
| ASN1_BOOLEAN success; |
| int64_t test_int64; |
| int64_t test_zint64; |
| } ASN1_INT64_DATA; |
| |
| ASN1_SEQUENCE(ASN1_INT64_DATA) = { |
| ASN1_SIMPLE(ASN1_INT64_DATA, success, ASN1_FBOOLEAN), |
| ASN1_EMBED(ASN1_INT64_DATA, test_int64, INT64), |
| ASN1_EXP_OPT_EMBED(ASN1_INT64_DATA, test_zint64, ZINT64, 0) |
| } static_ASN1_SEQUENCE_END(ASN1_INT64_DATA) |
| |
| IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_INT64_DATA) |
| IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_INT64_DATA) |
| |
| static ASN1_INT64_DATA int64_expected[] = { |
| CUSTOM_EXPECTED_SUCCESS(0, 0), /* t_zero */ |
| CUSTOM_EXPECTED_SUCCESS(ASN1_LONG_UNDEF, ASN1_LONG_UNDEF), /* t_zero */ |
| CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */ |
| CUSTOM_EXPECTED_SUCCESS(-1, -1), /* t_one_neg */ |
| CUSTOM_EXPECTED_SUCCESS(-256, -256), /* t_minus_256 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_1 (too large positive) */ |
| CUSTOM_EXPECTED_SUCCESS(INT64_MAX, INT64_MAX), /* t_8bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad (illegal padding) */ |
| CUSTOM_EXPECTED_SUCCESS(INT64_MIN, INT64_MIN), /* t_8bytes_4_neg */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad (illegal padding) */ |
| CUSTOM_EXPECTED_SUCCESS(0x1ffffffff, 0x1ffffffff), /* t_5bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS(0x80000000, 0x80000000), /* t_4bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */ |
| CUSTOM_EXPECTED_SUCCESS(INT32_MIN, INT32_MIN), /* t_4bytes_4_neg */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */ |
| }; |
| static ASN1_INT64_DATA int64_encdec_data[] = { |
| ENCDEC_ARRAY(INT64_MAX, INT64_MAX, INT64_MIN, INT64_MIN), |
| ENCDEC_ARRAY(INT32_MAX, INT32_MAX, INT32_MIN, INT32_MIN), |
| }; |
| |
| static TEST_PACKAGE int64_test_package = { |
| ASN1_ITEM_ref(ASN1_INT64_DATA), "INT64", 0, |
| int64_expected, sizeof(int64_expected), sizeof(int64_expected[0]), |
| int64_encdec_data, sizeof(int64_encdec_data), sizeof(int64_encdec_data[0]), |
| (i2d_fn *)i2d_ASN1_INT64_DATA, (d2i_fn *)d2i_ASN1_INT64_DATA, |
| (ifree_fn *)ASN1_INT64_DATA_free |
| }; |
| |
| /***** UINT64 ****************************************************************/ |
| |
| typedef struct { |
| ASN1_BOOLEAN success; |
| uint64_t test_uint64; |
| uint64_t test_zuint64; |
| } ASN1_UINT64_DATA; |
| |
| ASN1_SEQUENCE(ASN1_UINT64_DATA) = { |
| ASN1_SIMPLE(ASN1_UINT64_DATA, success, ASN1_FBOOLEAN), |
| ASN1_EMBED(ASN1_UINT64_DATA, test_uint64, UINT64), |
| ASN1_EXP_OPT_EMBED(ASN1_UINT64_DATA, test_zuint64, ZUINT64, 0) |
| } static_ASN1_SEQUENCE_END(ASN1_UINT64_DATA) |
| |
| IMPLEMENT_STATIC_ASN1_ENCODE_FUNCTIONS(ASN1_UINT64_DATA) |
| IMPLEMENT_STATIC_ASN1_ALLOC_FUNCTIONS(ASN1_UINT64_DATA) |
| |
| static ASN1_UINT64_DATA uint64_expected[] = { |
| CUSTOM_EXPECTED_SUCCESS(0, 0), /* t_zero */ |
| CUSTOM_EXPECTED_SUCCESS(ASN1_LONG_UNDEF, ASN1_LONG_UNDEF), /* t_zero */ |
| CUSTOM_EXPECTED_SUCCESS(1, 1), /* t_one */ |
| CUSTOM_EXPECTED_FAILURE, /* t_one_neg (illegal negative value) */ |
| CUSTOM_EXPECTED_FAILURE, /* t_minus_256 (illegal negative value) */ |
| CUSTOM_EXPECTED_FAILURE, /* t_9bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS((uint64_t)INT64_MAX+1, (uint64_t)INT64_MAX+1), |
| /* t_8bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS(INT64_MAX, INT64_MAX), /* t_8bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_3_pad */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_4_neg */ |
| CUSTOM_EXPECTED_FAILURE, /* t_8bytes_5_negpad */ |
| CUSTOM_EXPECTED_SUCCESS(0x1ffffffff, 0x1ffffffff), /* t_5bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS(0x80000000, 0x80000000), /* t_4bytes_1 */ |
| CUSTOM_EXPECTED_SUCCESS(INT32_MAX - 1, INT32_MAX -1), /* t_4bytes_2 */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_3_pad (illegal padding) */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_4_neg (illegal negative value) */ |
| CUSTOM_EXPECTED_FAILURE, /* t_4bytes_5_negpad (illegal padding) */ |
| }; |
| static ASN1_UINT64_DATA uint64_encdec_data[] = { |
| ENCDEC_ARRAY(UINT64_MAX, UINT64_MAX, 0, 0), |
| }; |
| |
| static TEST_PACKAGE uint64_test_package = { |
| ASN1_ITEM_ref(ASN1_UINT64_DATA), "UINT64", 0, |
| uint64_expected, sizeof(uint64_expected), sizeof(uint64_expected[0]), |
| uint64_encdec_data, sizeof(uint64_encdec_data), sizeof(uint64_encdec_data[0]), |
| (i2d_fn *)i2d_ASN1_UINT64_DATA, (d2i_fn *)d2i_ASN1_UINT64_DATA, |
| (ifree_fn *)ASN1_UINT64_DATA_free |
| }; |
| |
| /***** General testing functions *********************************************/ |
| |
| |
| /* Template structure to map onto any test data structure */ |
| typedef struct { |
| ASN1_BOOLEAN success; |
| unsigned char bytes[1]; /* In reality, there's more */ |
| } EXPECTED; |
| |
| /* |
| * do_decode returns a tristate: |
| * |
| * -1 Couldn't decode |
| * 0 decoded structure wasn't what was expected (failure) |
| * 1 decoded structure was what was expected (success) |
| */ |
| static int do_decode(unsigned char *bytes, long nbytes, |
| const EXPECTED *expected, size_t expected_size, |
| const TEST_PACKAGE *package) |
| { |
| EXPECTED *enctst = NULL; |
| const unsigned char *start; |
| int ret = 0; |
| |
| start = bytes; |
| enctst = package->d2i(NULL, &bytes, nbytes); |
| if (enctst == NULL) { |
| if (expected->success == 0) { |
| ret = 1; |
| ERR_clear_error(); |
| } else { |
| ret = -1; |
| } |
| } else { |
| if (start + nbytes == bytes |
| && memcmp(enctst, expected, expected_size) == 0) |
| ret = 1; |
| else |
| ret = 0; |
| } |
| |
| package->ifree(enctst); |
| return ret; |
| } |
| |
| /* |
| * do_encode returns a tristate: |
| * |
| * -1 Couldn't encode |
| * 0 encoded DER wasn't what was expected (failure) |
| * 1 encoded DER was what was expected (success) |
| */ |
| static int do_encode(EXPECTED *input, |
| const unsigned char *expected, size_t expected_len, |
| const TEST_PACKAGE *package) |
| { |
| unsigned char *data = NULL; |
| int len; |
| int ret = 0; |
| |
| len = package->i2d(input, &data); |
| if (len < 0) |
| return -1; |
| |
| if ((size_t)len != expected_len |
| || memcmp(data, expected, expected_len) != 0) { |
| if (input->success == 0) { |
| ret = 1; |
| ERR_clear_error(); |
| } else { |
| ret = 0; |
| } |
| } else { |
| ret = 1; |
| } |
| |
| OPENSSL_free(data); |
| return ret; |
| } |
| |
| /* Do an encode/decode round trip */ |
| static int do_enc_dec(EXPECTED *bytes, long nbytes, |
| const TEST_PACKAGE *package) |
| { |
| unsigned char *data = NULL; |
| int len; |
| int ret = 0; |
| void *p = bytes; |
| |
| len = package->i2d(p, &data); |
| if (len < 0) |
| return -1; |
| |
| ret = do_decode(data, len, bytes, nbytes, package); |
| OPENSSL_free(data); |
| return ret; |
| } |
| |
| static size_t der_encode_length(size_t len, unsigned char **pp) |
| { |
| size_t lenbytes; |
| |
| OPENSSL_assert(len < 0x8000); |
| if (len > 255) |
| lenbytes = 3; |
| else if (len > 127) |
| lenbytes = 2; |
| else |
| lenbytes = 1; |
| |
| if (pp != NULL) { |
| if (lenbytes == 1) { |
| *(*pp)++ = (unsigned char)len; |
| } else { |
| *(*pp)++ = (unsigned char)(lenbytes - 1); |
| if (lenbytes == 2) { |
| *(*pp)++ = (unsigned char)(0x80 | len); |
| } else { |
| *(*pp)++ = (unsigned char)(0x80 | (len >> 8)); |
| *(*pp)++ = (unsigned char)(len); |
| } |
| } |
| } |
| return lenbytes; |
| } |
| |
| static size_t make_custom_der(const TEST_CUSTOM_DATA *custom_data, |
| unsigned char **encoding, int explicit_default) |
| { |
| size_t firstbytes, secondbytes = 0, secondbytesinner = 0, seqbytes; |
| const unsigned char t_true[] = { V_ASN1_BOOLEAN, 0x01, 0xff }; |
| unsigned char *p = NULL; |
| size_t i; |
| |
| /* |
| * The first item is just an INTEGER tag, INTEGER length and INTEGER content |
| */ |
| firstbytes = |
| 1 + der_encode_length(custom_data->nbytes1, NULL) |
| + custom_data->nbytes1; |
| |
| for (i = custom_data->nbytes2; i > 0; i--) { |
| if (custom_data->bytes2[i - 1] != '\0') |
| break; |
| } |
| if (explicit_default || i > 0) { |
| /* |
| * The second item is an explicit tag, content length, INTEGER tag, |
| * INTEGER length, INTEGER bytes |
| */ |
| secondbytesinner = |
| 1 + der_encode_length(custom_data->nbytes2, NULL) |
| + custom_data->nbytes2; |
| secondbytes = |
| 1 + der_encode_length(secondbytesinner, NULL) + secondbytesinner; |
| } |
| |
| /* |
| * The whole sequence is the sequence tag, content length, BOOLEAN true |
| * (copied from t_true), the first (firstbytes) and second (secondbytes) |
| * items |
| */ |
| seqbytes = |
| 1 + der_encode_length(sizeof(t_true) + firstbytes + secondbytes, NULL) |
| + sizeof(t_true) + firstbytes + secondbytes; |
| |
| *encoding = p = OPENSSL_malloc(seqbytes); |
| if (*encoding == NULL) |
| return 0; |
| |
| /* Sequence tag */ |
| *p++ = 0x30; |
| der_encode_length(sizeof(t_true) + firstbytes + secondbytes, &p); |
| |
| /* ASN1_BOOLEAN TRUE */ |
| memcpy(p, t_true, sizeof(t_true)); /* Marks decoding success */ |
| p += sizeof(t_true); |
| |
| /* First INTEGER item (non-optional) */ |
| *p++ = V_ASN1_INTEGER; |
| der_encode_length(custom_data->nbytes1, &p); |
| memcpy(p, custom_data->bytes1, custom_data->nbytes1); |
| p += custom_data->nbytes1; |
| |
| if (secondbytes > 0) { |
| /* Second INTEGER item (optional) */ |
| /* Start with the explicit optional tag */ |
| *p++ = 0xa0; |
| der_encode_length(secondbytesinner, &p); |
| *p++ = V_ASN1_INTEGER; |
| der_encode_length(custom_data->nbytes2, &p); |
| memcpy(p, custom_data->bytes2, custom_data->nbytes2); |
| p += custom_data->nbytes2; |
| } |
| |
| OPENSSL_assert(seqbytes == (size_t)(p - *encoding)); |
| |
| return seqbytes; |
| } |
| |
| /* Attempt to decode a custom encoding of the test structure */ |
| static int do_decode_custom(const TEST_CUSTOM_DATA *custom_data, |
| const EXPECTED *expected, size_t expected_size, |
| const TEST_PACKAGE *package) |
| { |
| unsigned char *encoding = NULL; |
| /* |
| * We force the defaults to be explicitly encoded to make sure we test |
| * for defaults that shouldn't be present (i.e. we check for failure) |
| */ |
| size_t encoding_length = make_custom_der(custom_data, &encoding, 1); |
| int ret; |
| |
| if (encoding_length == 0) |
| return -1; |
| |
| ret = do_decode(encoding, encoding_length, expected, expected_size, |
| package); |
| OPENSSL_free(encoding); |
| |
| return ret; |
| } |
| |
| /* Attempt to encode the test structure and compare it to custom DER */ |
| static int do_encode_custom(EXPECTED *input, |
| const TEST_CUSTOM_DATA *custom_data, |
| const TEST_PACKAGE *package) |
| { |
| unsigned char *expected = NULL; |
| size_t expected_length = make_custom_der(custom_data, &expected, 0); |
| int ret; |
| |
| if (expected_length == 0) |
| return -1; |
| |
| ret = do_encode(input, expected, expected_length, package); |
| OPENSSL_free(expected); |
| |
| return ret; |
| } |
| |
| static int do_print_item(const TEST_PACKAGE *package) |
| { |
| #define DATA_BUF_SIZE 256 |
| unsigned char buf[DATA_BUF_SIZE]; |
| const ASN1_ITEM *i = ASN1_ITEM_ptr(package->asn1_type); |
| ASN1_VALUE *o = (ASN1_VALUE *)&buf; |
| int ret; |
| |
| OPENSSL_assert(package->encode_expectations_elem_size <= DATA_BUF_SIZE); |
| |
| (void)RAND_bytes(buf, (int)package->encode_expectations_elem_size); |
| ret = ASN1_item_print(bio_err, o, 0, i, NULL); |
| |
| return ret; |
| } |
| |
| |
| static int test_intern(const TEST_PACKAGE *package) |
| { |
| unsigned int i; |
| size_t nelems; |
| int fail = 0; |
| |
| if (package->skip) |
| return 1; |
| |
| /* Do decode_custom checks */ |
| nelems = package->encode_expectations_size |
| / package->encode_expectations_elem_size; |
| OPENSSL_assert(nelems == |
| sizeof(test_custom_data) / sizeof(test_custom_data[0])); |
| for (i = 0; i < nelems; i++) { |
| size_t pos = i * package->encode_expectations_elem_size; |
| switch (do_encode_custom((EXPECTED *)&((unsigned char *)package |
| ->encode_expectations)[pos], |
| &test_custom_data[i], package)) { |
| case -1: |
| TEST_error("Failed custom encode round trip %u of %s", |
| i, package->name); |
| TEST_openssl_errors(); |
| fail++; |
| break; |
| case 0: |
| TEST_error("Custom encode round trip %u of %s mismatch", |
| i, package->name); |
| TEST_openssl_errors(); |
| fail++; |
| break; |
| case 1: |
| break; |
| default: |
| OPENSSL_die("do_encode_custom() return unknown value", |
| __FILE__, __LINE__); |
| } |
| switch (do_decode_custom(&test_custom_data[i], |
| (EXPECTED *)&((unsigned char *)package |
| ->encode_expectations)[pos], |
| package->encode_expectations_elem_size, |
| package)) { |
| case -1: |
| TEST_error("Failed custom decode round trip %u of %s", |
| i, package->name); |
| TEST_openssl_errors(); |
| fail++; |
| break; |
| case 0: |
| TEST_error("Custom decode round trip %u of %s mismatch", |
| i, package->name); |
| TEST_openssl_errors(); |
| fail++; |
| break; |
| case 1: |
| break; |
| default: |
| OPENSSL_die("do_decode_custom() return unknown value", |
| __FILE__, __LINE__); |
| } |
| } |
| |
| /* Do enc_dec checks */ |
| nelems = package->encdec_data_size / package->encdec_data_elem_size; |
| for (i = 0; i < nelems; i++) { |
| size_t pos = i * package->encdec_data_elem_size; |
| switch (do_enc_dec((EXPECTED *)&((unsigned char *)package |
| ->encdec_data)[pos], |
| package->encdec_data_elem_size, |
| package)) { |
| case -1: |
| TEST_error("Failed encode/decode round trip %u of %s", |
| i, package->name); |
| TEST_openssl_errors(); |
| fail++; |
| break; |
| case 0: |
| TEST_error("Encode/decode round trip %u of %s mismatch", |
| i, package->name); |
| fail++; |
| break; |
| case 1: |
| break; |
| default: |
| OPENSSL_die("do_enc_dec() return unknown value", |
| __FILE__, __LINE__); |
| } |
| } |
| |
| if (!do_print_item(package)) { |
| TEST_error("Printing of %s failed", package->name); |
| TEST_openssl_errors(); |
| fail++; |
| } |
| |
| return fail == 0; |
| } |
| |
| #if OPENSSL_API_COMPAT < 0x10200000L |
| static int test_long_32bit(void) |
| { |
| return test_intern(&long_test_package_32bit); |
| } |
| |
| static int test_long_64bit(void) |
| { |
| return test_intern(&long_test_package_64bit); |
| } |
| #endif |
| |
| static int test_int32(void) |
| { |
| return test_intern(&int32_test_package); |
| } |
| |
| static int test_uint32(void) |
| { |
| return test_intern(&uint32_test_package); |
| } |
| |
| static int test_int64(void) |
| { |
| return test_intern(&int64_test_package); |
| } |
| |
| static int test_uint64(void) |
| { |
| return test_intern(&uint64_test_package); |
| } |
| |
| int setup_tests(void) |
| { |
| #if OPENSSL_API_COMPAT < 0x10200000L |
| ADD_TEST(test_long_32bit); |
| ADD_TEST(test_long_64bit); |
| #endif |
| ADD_TEST(test_int32); |
| ADD_TEST(test_uint32); |
| ADD_TEST(test_int64); |
| ADD_TEST(test_uint64); |
| return 1; |
| } |
