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- /* Copyright (c) 2016, Google Inc.
- *
- * Permission to use, copy, modify, and/or 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 <stdio.h>
-
- #include <gtest/gtest.h>
-
- #include <openssl/asn1.h>
- #include <openssl/err.h>
-
- #include "../test/test_util.h"
-
-
- // kTag128 is an ASN.1 structure with a universal tag with number 128.
- static const uint8_t kTag128[] = {
- 0x1f, 0x81, 0x00, 0x01, 0x00,
- };
-
- // kTag258 is an ASN.1 structure with a universal tag with number 258.
- static const uint8_t kTag258[] = {
- 0x1f, 0x82, 0x02, 0x01, 0x00,
- };
-
- static_assert(V_ASN1_NEG_INTEGER == 258,
- "V_ASN1_NEG_INTEGER changed. Update kTag258 to collide with it.");
-
- // kTagOverflow is an ASN.1 structure with a universal tag with number 2^35-1,
- // which will not fit in an int.
- static const uint8_t kTagOverflow[] = {
- 0x1f, 0xff, 0xff, 0xff, 0xff, 0x7f, 0x01, 0x00,
- };
-
- TEST(ASN1Test, LargeTags) {
- const uint8_t *p = kTag258;
- bssl::UniquePtr<ASN1_TYPE> obj(d2i_ASN1_TYPE(NULL, &p, sizeof(kTag258)));
- EXPECT_FALSE(obj) << "Parsed value with illegal tag" << obj->type;
- ERR_clear_error();
-
- p = kTagOverflow;
- obj.reset(d2i_ASN1_TYPE(NULL, &p, sizeof(kTagOverflow)));
- EXPECT_FALSE(obj) << "Parsed value with tag overflow" << obj->type;
- ERR_clear_error();
-
- p = kTag128;
- obj.reset(d2i_ASN1_TYPE(NULL, &p, sizeof(kTag128)));
- ASSERT_TRUE(obj);
- EXPECT_EQ(128, obj->type);
- const uint8_t kZero = 0;
- EXPECT_EQ(Bytes(&kZero, 1), Bytes(obj->value.asn1_string->data,
- obj->value.asn1_string->length));
- }
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