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Refactor asn1_decoder functions into a class.

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Test: mmma bootable/recovery
Test: recovery_unit_test passes.
Test: recovery_component_test passes.
Change-Id: If0bf25993158eaebeedff55ba4f4dd0f6e5f937d
This commit is contained in:
Tao Bao
2017-03-20 17:09:13 -07:00
parent 5b2bf90e13
commit 861c53c6c5
4 changed files with 323 additions and 372 deletions
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tests/unit/asn1_decoder_test.cpp
+142 -179
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@@ -14,225 +14,188 @@
* limitations under the License.
*/
#define LOG_TAG "asn1_decoder_test"
#include <cutils/log.h>
#include <gtest/gtest.h>
#include <stdint.h>
#include <unistd.h>
#include <memory>
#include <gtest/gtest.h>
#include "asn1_decoder.h"
namespace android {
TEST(Asn1DecoderTest, Empty_Failure) {
uint8_t empty[] = {};
asn1_context ctx(empty, sizeof(empty));
class Asn1DecoderTest : public testing::Test {
};
ASSERT_EQ(nullptr, ctx.asn1_constructed_get());
ASSERT_FALSE(ctx.asn1_constructed_skip_all());
ASSERT_EQ(0, ctx.asn1_constructed_type());
ASSERT_EQ(nullptr, ctx.asn1_sequence_get());
ASSERT_EQ(nullptr, ctx.asn1_set_get());
ASSERT_FALSE(ctx.asn1_sequence_next());
TEST_F(Asn1DecoderTest, Empty_Failure) {
uint8_t empty[] = { };
asn1_context_t* ctx = asn1_context_new(empty, sizeof(empty));
EXPECT_EQ(NULL, asn1_constructed_get(ctx));
EXPECT_FALSE(asn1_constructed_skip_all(ctx));
EXPECT_EQ(0, asn1_constructed_type(ctx));
EXPECT_EQ(NULL, asn1_sequence_get(ctx));
EXPECT_EQ(NULL, asn1_set_get(ctx));
EXPECT_FALSE(asn1_sequence_next(ctx));
const uint8_t* junk;
size_t length;
EXPECT_FALSE(asn1_oid_get(ctx, &junk, &length));
EXPECT_FALSE(asn1_octet_string_get(ctx, &junk, &length));
asn1_context_free(ctx);
const uint8_t* junk;
size_t length;
ASSERT_FALSE(ctx.asn1_oid_get(&junk, &length));
ASSERT_FALSE(ctx.asn1_octet_string_get(&junk, &length));
}
TEST_F(Asn1DecoderTest, ConstructedGet_TruncatedLength_Failure) {
uint8_t truncated[] = { 0xA0, 0x82, };
asn1_context_t* ctx = asn1_context_new(truncated, sizeof(truncated));
EXPECT_EQ(NULL, asn1_constructed_get(ctx));
asn1_context_free(ctx);
TEST(Asn1DecoderTest, ConstructedGet_TruncatedLength_Failure) {
uint8_t truncated[] = { 0xA0, 0x82 };
asn1_context ctx(truncated, sizeof(truncated));
ASSERT_EQ(nullptr, ctx.asn1_constructed_get());
}
TEST_F(Asn1DecoderTest, ConstructedGet_LengthTooBig_Failure) {
uint8_t truncated[] = { 0xA0, 0x8a, 0xA5, 0x5A, 0xA5, 0x5A,
0xA5, 0x5A, 0xA5, 0x5A, 0xA5, 0x5A, };
asn1_context_t* ctx = asn1_context_new(truncated, sizeof(truncated));
EXPECT_EQ(NULL, asn1_constructed_get(ctx));
asn1_context_free(ctx);
TEST(Asn1DecoderTest, ConstructedGet_LengthTooBig_Failure) {
uint8_t truncated[] = { 0xA0, 0x8a, 0xA5, 0x5A, 0xA5, 0x5A, 0xA5, 0x5A, 0xA5, 0x5A, 0xA5, 0x5A };
asn1_context ctx(truncated, sizeof(truncated));
ASSERT_EQ(nullptr, ctx.asn1_constructed_get());
}
TEST_F(Asn1DecoderTest, ConstructedGet_TooSmallForChild_Failure) {
uint8_t data[] = { 0xA5, 0x02, 0x06, 0x01, 0x01, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
asn1_context_t* ptr = asn1_constructed_get(ctx);
ASSERT_NE((asn1_context_t*)NULL, ptr);
EXPECT_EQ(5, asn1_constructed_type(ptr));
const uint8_t* oid;
size_t length;
EXPECT_FALSE(asn1_oid_get(ptr, &oid, &length));
asn1_context_free(ptr);
asn1_context_free(ctx);
TEST(Asn1DecoderTest, ConstructedGet_TooSmallForChild_Failure) {
uint8_t data[] = { 0xA5, 0x02, 0x06, 0x01, 0x01 };
asn1_context ctx(data, sizeof(data));
std::unique_ptr<asn1_context> ptr(ctx.asn1_constructed_get());
ASSERT_NE(nullptr, ptr);
ASSERT_EQ(5, ptr->asn1_constructed_type());
const uint8_t* oid;
size_t length;
ASSERT_FALSE(ptr->asn1_oid_get(&oid, &length));
}
TEST_F(Asn1DecoderTest, ConstructedGet_Success) {
uint8_t data[] = { 0xA5, 0x03, 0x06, 0x01, 0x01, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
asn1_context_t* ptr = asn1_constructed_get(ctx);
ASSERT_NE((asn1_context_t*)NULL, ptr);
EXPECT_EQ(5, asn1_constructed_type(ptr));
const uint8_t* oid;
size_t length;
ASSERT_TRUE(asn1_oid_get(ptr, &oid, &length));
EXPECT_EQ(1U, length);
EXPECT_EQ(0x01U, *oid);
asn1_context_free(ptr);
asn1_context_free(ctx);
TEST(Asn1DecoderTest, ConstructedGet_Success) {
uint8_t data[] = { 0xA5, 0x03, 0x06, 0x01, 0x01 };
asn1_context ctx(data, sizeof(data));
std::unique_ptr<asn1_context> ptr(ctx.asn1_constructed_get());
ASSERT_NE(nullptr, ptr);
ASSERT_EQ(5, ptr->asn1_constructed_type());
const uint8_t* oid;
size_t length;
ASSERT_TRUE(ptr->asn1_oid_get(&oid, &length));
ASSERT_EQ(1U, length);
ASSERT_EQ(0x01U, *oid);
}
TEST_F(Asn1DecoderTest, ConstructedSkipAll_TruncatedLength_Failure) {
uint8_t truncated[] = { 0xA2, 0x82, };
asn1_context_t* ctx = asn1_context_new(truncated, sizeof(truncated));
EXPECT_FALSE(asn1_constructed_skip_all(ctx));
asn1_context_free(ctx);
TEST(Asn1DecoderTest, ConstructedSkipAll_TruncatedLength_Failure) {
uint8_t truncated[] = { 0xA2, 0x82 };
asn1_context ctx(truncated, sizeof(truncated));
ASSERT_FALSE(ctx.asn1_constructed_skip_all());
}
TEST_F(Asn1DecoderTest, ConstructedSkipAll_Success) {
uint8_t data[] = { 0xA0, 0x03, 0x02, 0x01, 0x01,
0xA1, 0x03, 0x02, 0x01, 0x01,
0x06, 0x01, 0xA5, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
ASSERT_TRUE(asn1_constructed_skip_all(ctx));
const uint8_t* oid;
size_t length;
ASSERT_TRUE(asn1_oid_get(ctx, &oid, &length));
EXPECT_EQ(1U, length);
EXPECT_EQ(0xA5U, *oid);
asn1_context_free(ctx);
TEST(Asn1DecoderTest, ConstructedSkipAll_Success) {
uint8_t data[] = { 0xA0, 0x03, 0x02, 0x01, 0x01, 0xA1, 0x03, 0x02, 0x01, 0x01, 0x06, 0x01, 0xA5 };
asn1_context ctx(data, sizeof(data));
ASSERT_TRUE(ctx.asn1_constructed_skip_all());
const uint8_t* oid;
size_t length;
ASSERT_TRUE(ctx.asn1_oid_get(&oid, &length));
ASSERT_EQ(1U, length);
ASSERT_EQ(0xA5U, *oid);
}
TEST_F(Asn1DecoderTest, SequenceGet_TruncatedLength_Failure) {
uint8_t truncated[] = { 0x30, 0x82, };
asn1_context_t* ctx = asn1_context_new(truncated, sizeof(truncated));
EXPECT_EQ(NULL, asn1_sequence_get(ctx));
asn1_context_free(ctx);
TEST(Asn1DecoderTest, SequenceGet_TruncatedLength_Failure) {
uint8_t truncated[] = { 0x30, 0x82 };
asn1_context ctx(truncated, sizeof(truncated));
ASSERT_EQ(nullptr, ctx.asn1_sequence_get());
}
TEST_F(Asn1DecoderTest, SequenceGet_TooSmallForChild_Failure) {
uint8_t data[] = { 0x30, 0x02, 0x06, 0x01, 0x01, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
asn1_context_t* ptr = asn1_sequence_get(ctx);
ASSERT_NE((asn1_context_t*)NULL, ptr);
const uint8_t* oid;
size_t length;
EXPECT_FALSE(asn1_oid_get(ptr, &oid, &length));
asn1_context_free(ptr);
asn1_context_free(ctx);
TEST(Asn1DecoderTest, SequenceGet_TooSmallForChild_Failure) {
uint8_t data[] = { 0x30, 0x02, 0x06, 0x01, 0x01 };
asn1_context ctx(data, sizeof(data));
std::unique_ptr<asn1_context> ptr(ctx.asn1_sequence_get());
ASSERT_NE(nullptr, ptr);
const uint8_t* oid;
size_t length;
ASSERT_FALSE(ptr->asn1_oid_get(&oid, &length));
}
TEST_F(Asn1DecoderTest, SequenceGet_Success) {
uint8_t data[] = { 0x30, 0x03, 0x06, 0x01, 0x01, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
asn1_context_t* ptr = asn1_sequence_get(ctx);
ASSERT_NE((asn1_context_t*)NULL, ptr);
const uint8_t* oid;
size_t length;
ASSERT_TRUE(asn1_oid_get(ptr, &oid, &length));
EXPECT_EQ(1U, length);
EXPECT_EQ(0x01U, *oid);
asn1_context_free(ptr);
asn1_context_free(ctx);
TEST(Asn1DecoderTest, SequenceGet_Success) {
uint8_t data[] = { 0x30, 0x03, 0x06, 0x01, 0x01 };
asn1_context ctx(data, sizeof(data));
std::unique_ptr<asn1_context> ptr(ctx.asn1_sequence_get());
ASSERT_NE(nullptr, ptr);
const uint8_t* oid;
size_t length;
ASSERT_TRUE(ptr->asn1_oid_get(&oid, &length));
ASSERT_EQ(1U, length);
ASSERT_EQ(0x01U, *oid);
}
TEST_F(Asn1DecoderTest, SetGet_TruncatedLength_Failure) {
uint8_t truncated[] = { 0x31, 0x82, };
asn1_context_t* ctx = asn1_context_new(truncated, sizeof(truncated));
EXPECT_EQ(NULL, asn1_set_get(ctx));
asn1_context_free(ctx);
TEST(Asn1DecoderTest, SetGet_TruncatedLength_Failure) {
uint8_t truncated[] = { 0x31, 0x82 };
asn1_context ctx(truncated, sizeof(truncated));
ASSERT_EQ(nullptr, ctx.asn1_set_get());
}
TEST_F(Asn1DecoderTest, SetGet_TooSmallForChild_Failure) {
uint8_t data[] = { 0x31, 0x02, 0x06, 0x01, 0x01, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
asn1_context_t* ptr = asn1_set_get(ctx);
ASSERT_NE((asn1_context_t*)NULL, ptr);
const uint8_t* oid;
size_t length;
EXPECT_FALSE(asn1_oid_get(ptr, &oid, &length));
asn1_context_free(ptr);
asn1_context_free(ctx);
TEST(Asn1DecoderTest, SetGet_TooSmallForChild_Failure) {
uint8_t data[] = { 0x31, 0x02, 0x06, 0x01, 0x01 };
asn1_context ctx(data, sizeof(data));
std::unique_ptr<asn1_context> ptr(ctx.asn1_set_get());
ASSERT_NE(nullptr, ptr);
const uint8_t* oid;
size_t length;
ASSERT_FALSE(ptr->asn1_oid_get(&oid, &length));
}
TEST_F(Asn1DecoderTest, SetGet_Success) {
uint8_t data[] = { 0x31, 0x03, 0x06, 0x01, 0xBA, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
asn1_context_t* ptr = asn1_set_get(ctx);
ASSERT_NE((asn1_context_t*)NULL, ptr);
const uint8_t* oid;
size_t length;
ASSERT_TRUE(asn1_oid_get(ptr, &oid, &length));
EXPECT_EQ(1U, length);
EXPECT_EQ(0xBAU, *oid);
asn1_context_free(ptr);
asn1_context_free(ctx);
TEST(Asn1DecoderTest, SetGet_Success) {
uint8_t data[] = { 0x31, 0x03, 0x06, 0x01, 0xBA };
asn1_context ctx(data, sizeof(data));
std::unique_ptr<asn1_context> ptr(ctx.asn1_set_get());
ASSERT_NE(nullptr, ptr);
const uint8_t* oid;
size_t length;
ASSERT_TRUE(ptr->asn1_oid_get(&oid, &length));
ASSERT_EQ(1U, length);
ASSERT_EQ(0xBAU, *oid);
}
TEST_F(Asn1DecoderTest, OidGet_LengthZero_Failure) {
uint8_t data[] = { 0x06, 0x00, 0x01, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
const uint8_t* oid;
size_t length;
EXPECT_FALSE(asn1_oid_get(ctx, &oid, &length));
asn1_context_free(ctx);
TEST(Asn1DecoderTest, OidGet_LengthZero_Failure) {
uint8_t data[] = { 0x06, 0x00, 0x01 };
asn1_context ctx(data, sizeof(data));
const uint8_t* oid;
size_t length;
ASSERT_FALSE(ctx.asn1_oid_get(&oid, &length));
}
TEST_F(Asn1DecoderTest, OidGet_TooSmall_Failure) {
uint8_t data[] = { 0x06, 0x01, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
const uint8_t* oid;
size_t length;
EXPECT_FALSE(asn1_oid_get(ctx, &oid, &length));
asn1_context_free(ctx);
TEST(Asn1DecoderTest, OidGet_TooSmall_Failure) {
uint8_t data[] = { 0x06, 0x01 };
asn1_context ctx(data, sizeof(data));
const uint8_t* oid;
size_t length;
ASSERT_FALSE(ctx.asn1_oid_get(&oid, &length));
}
TEST_F(Asn1DecoderTest, OidGet_Success) {
uint8_t data[] = { 0x06, 0x01, 0x99, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
const uint8_t* oid;
size_t length;
ASSERT_TRUE(asn1_oid_get(ctx, &oid, &length));
EXPECT_EQ(1U, length);
EXPECT_EQ(0x99U, *oid);
asn1_context_free(ctx);
TEST(Asn1DecoderTest, OidGet_Success) {
uint8_t data[] = { 0x06, 0x01, 0x99 };
asn1_context ctx(data, sizeof(data));
const uint8_t* oid;
size_t length;
ASSERT_TRUE(ctx.asn1_oid_get(&oid, &length));
ASSERT_EQ(1U, length);
ASSERT_EQ(0x99U, *oid);
}
TEST_F(Asn1DecoderTest, OctetStringGet_LengthZero_Failure) {
uint8_t data[] = { 0x04, 0x00, 0x55, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
const uint8_t* string;
size_t length;
ASSERT_FALSE(asn1_octet_string_get(ctx, &string, &length));
asn1_context_free(ctx);
TEST(Asn1DecoderTest, OctetStringGet_LengthZero_Failure) {
uint8_t data[] = { 0x04, 0x00, 0x55 };
asn1_context ctx(data, sizeof(data));
const uint8_t* string;
size_t length;
ASSERT_FALSE(ctx.asn1_octet_string_get(&string, &length));
}
TEST_F(Asn1DecoderTest, OctetStringGet_TooSmall_Failure) {
uint8_t data[] = { 0x04, 0x01, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
const uint8_t* string;
size_t length;
ASSERT_FALSE(asn1_octet_string_get(ctx, &string, &length));
asn1_context_free(ctx);
TEST(Asn1DecoderTest, OctetStringGet_TooSmall_Failure) {
uint8_t data[] = { 0x04, 0x01 };
asn1_context ctx(data, sizeof(data));
const uint8_t* string;
size_t length;
ASSERT_FALSE(ctx.asn1_octet_string_get(&string, &length));
}
TEST_F(Asn1DecoderTest, OctetStringGet_Success) {
uint8_t data[] = { 0x04, 0x01, 0xAA, };
asn1_context_t* ctx = asn1_context_new(data, sizeof(data));
const uint8_t* string;
size_t length;
ASSERT_TRUE(asn1_octet_string_get(ctx, &string, &length));
EXPECT_EQ(1U, length);
EXPECT_EQ(0xAAU, *string);
asn1_context_free(ctx);
TEST(Asn1DecoderTest, OctetStringGet_Success) {
uint8_t data[] = { 0x04, 0x01, 0xAA };
asn1_context ctx(data, sizeof(data));
const uint8_t* string;
size_t length;
ASSERT_TRUE(ctx.asn1_octet_string_get(&string, &length));
ASSERT_EQ(1U, length);
ASSERT_EQ(0xAAU, *string);
}
} // namespace android