--- /dev/null
+/*
+ * 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 "internal/asn1t.h"
+#include "internal/numbers.h"
+#include "test_main.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_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_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 {
+ 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)
+
+/***** 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_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 = {
+ "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_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 = {
+ "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
+};
+
+/***** 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_LONG_DATA, success, ASN1_FBOOLEAN),
+ ASN1_SIMPLE(ASN1_INT32_DATA, test_int32, INT32),
+ ASN1_EXP_OPT(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_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 = {
+ "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_LONG_DATA, success, ASN1_FBOOLEAN),
+ ASN1_SIMPLE(ASN1_UINT32_DATA, test_uint32, UINT32),
+ ASN1_EXP_OPT(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_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 = {
+ "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_LONG_DATA, success, ASN1_FBOOLEAN),
+ ASN1_SIMPLE(ASN1_INT64_DATA, test_int64, INT64),
+ ASN1_EXP_OPT(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_FAILURE, /* t_9bytes_1 */
+ CUSTOM_EXPECTED_SUCCESS(INT64_MIN, INT64_MIN), /* t_8bytes_1 */
+ 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(0x80000000, 0x80000000), /* 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 = {
+ "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_LONG_DATA, success, ASN1_FBOOLEAN),
+ ASN1_SIMPLE(ASN1_UINT64_DATA, test_uint64, UINT64),
+ ASN1_EXP_OPT(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_9bytes_1 */
+ CUSTOM_EXPECTED_SUCCESS(INT64_MIN, INT64_MIN), /* 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 = {
+ "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 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)++ = len;
+ } else {
+ *(*pp)++ = lenbytes - 1;
+ if (lenbytes == 2) {
+ *(*pp)++ = 0x80 | len;
+ } else {
+ *(*pp)++ = 0x80 | (len >> 8);
+ *(*pp)++ = len & 0xff;
+ }
+ }
+ }
+ return lenbytes;
+}
+
+/* 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)
+{
+ size_t firstbytes, secondbytes, secondbytesinner, seqbytes;
+ const unsigned char t_true[] = { V_ASN1_BOOLEAN, 0x01, 0xff };
+ unsigned char *encoding, *p = NULL;
+ int ret;
+
+ /*
+ * 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;
+
+ /*
+ * 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 -1;
+
+ /* 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;
+
+ /* 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));
+
+ ret = do_decode(encoding, seqbytes, expected, expected_size, package);
+ OPENSSL_free(encoding);
+
+ 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_decode_custom(&test_custom_data[i],
+ (EXPECTED *)&((unsigned char *)package
+ ->encode_expectations)[pos],
+ package->encode_expectations_elem_size,
+ package)) {
+ case -1:
+ fprintf(stderr, "Failed custom decode round trip %u of %s\n",
+ i, package->name);
+ ERR_print_errors_fp(stderr);
+ fail++;
+ ERR_clear_error();
+ break;
+ case 0:
+ fprintf(stderr, "Custom decode round trip %u of %s mismatch\n",
+ i, package->name);
+ fail++;
+ break;
+ case 1:
+ break;
+ default:
+ OPENSSL_die("do_enc_dec() 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:
+ fprintf(stderr, "Failed encode/decode round trip %u of %s\n",
+ i, package->name);
+ ERR_print_errors_fp(stderr);
+ ERR_clear_error();
+ fail++;
+ break;
+ case 0:
+ fprintf(stderr, "Encode/decode round trip %u of %s mismatch\n",
+ i, package->name);
+ fail++;
+ break;
+ case 1:
+ break;
+ default:
+ OPENSSL_die("do_enc_dec() return unknown value",
+ __FILE__, __LINE__);
+ }
+ }
+
+ return fail == 0;
+}
+
+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);
+}
+
+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);
+}
+
+void register_tests(void)
+{
+ ADD_TEST(test_long_32bit);
+ ADD_TEST(test_long_64bit);
+ ADD_TEST(test_int32);
+ ADD_TEST(test_uint32);
+ ADD_TEST(test_int64);
+ ADD_TEST(test_uint64);
+}
projects / oweals / openssl.git / commitdiff