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test-mc-reader.c
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/*
* Copyright 2022-present MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "mc-reader-private.h"
#include "test-mongocrypt-assert.h"
#include "test-mongocrypt.h"
static void _test_mc_reader(_mongocrypt_tester_t *tester) {
_mongocrypt_buffer_t input_buf;
_mongocrypt_buffer_copy_from_hex(&input_buf, "ABCD");
mongocrypt_status_t *status;
status = mongocrypt_status_new();
mc_reader_t reader;
mc_reader_init_from_buffer(&reader, &input_buf, __func__);
uint8_t value;
ASSERT_OK_STATUS(mc_reader_read_u8(&reader, &value, status), status);
ASSERT_CMPUINT(value, ==, 0xAB);
ASSERT_CMPUINT64(mc_reader_get_consumed_length(&reader), ==, 1);
ASSERT_CMPUINT64(mc_reader_get_remaining_length(&reader), ==, 1);
ASSERT_OK_STATUS(mc_reader_read_u8(&reader, &value, status), status);
ASSERT_CMPUINT(value, ==, 0xCD);
ASSERT_CMPUINT64(mc_reader_get_consumed_length(&reader), ==, 2);
ASSERT_CMPUINT64(mc_reader_get_remaining_length(&reader), ==, 0);
ASSERT_FAILS_STATUS(mc_reader_read_u8(&reader, &value, status), status, "expected byte length >= 3 got: 2");
_mongocrypt_buffer_cleanup(&input_buf);
mongocrypt_status_destroy(status);
}
static void _test_mc_reader_uuid(_mongocrypt_tester_t *tester) {
const uint8_t expected_bytes[] =
{0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12};
uint64_t expected_len = sizeof(expected_bytes);
_mongocrypt_buffer_t input_buf;
_mongocrypt_buffer_copy_from_hex(&input_buf, "12345678901234567890123456789012");
mongocrypt_status_t *status;
status = mongocrypt_status_new();
mc_reader_t reader;
mc_reader_init_from_buffer(&reader, &input_buf, __func__);
_mongocrypt_buffer_t value;
ASSERT_OK_STATUS(mc_reader_read_uuid_buffer(&reader, &value, status), status);
ASSERT(value.subtype == BSON_SUBTYPE_UUID);
ASSERT_CMPBYTES(expected_bytes, (size_t)expected_len, value.data, value.len);
uint8_t ui;
ASSERT_FAILS_STATUS(mc_reader_read_u8(&reader, &ui, status), status, "expected byte length >= 17 got: 16");
_mongocrypt_buffer_cleanup(&input_buf);
_mongocrypt_buffer_cleanup(&value);
mongocrypt_status_destroy(status);
}
static void _test_mc_reader_prfblock(_mongocrypt_tester_t *tester) {
const uint8_t expected_bytes[] = {0x12, 0x34, 0x56,
0x78, // 4
0x12, 0x34, 0x56,
0x78, // 8
0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56,
0x78, // 16
0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78,
0x12, 0x34, 0x56, 0x78, 0x12, 0x34, 0x56, 0x78};
uint64_t expected_len = sizeof(expected_bytes);
_mongocrypt_buffer_t input_buf;
_mongocrypt_buffer_copy_from_hex(&input_buf,
"12345678123456781234567812345678"
"12345678123456781234567812345678");
mongocrypt_status_t *status;
status = mongocrypt_status_new();
mc_reader_t reader;
mc_reader_init_from_buffer(&reader, &input_buf, __func__);
_mongocrypt_buffer_t value;
ASSERT_OK_STATUS(mc_reader_read_prfblock_buffer(&reader, &value, status), status);
ASSERT(value.subtype == BSON_SUBTYPE_ENCRYPTED);
ASSERT_CMPBYTES(expected_bytes, (size_t)expected_len, value.data, value.len);
uint8_t ui;
ASSERT_FAILS_STATUS(mc_reader_read_u8(&reader, &ui, status), status, "expected byte length >= 33 got: 32");
_mongocrypt_buffer_cleanup(&input_buf);
_mongocrypt_buffer_cleanup(&value);
mongocrypt_status_destroy(status);
}
static void _test_mc_reader_ints(_mongocrypt_tester_t *tester) {
_mongocrypt_buffer_t input_buf;
_mongocrypt_buffer_copy_from_hex(&input_buf, "001122330011223344556677");
mongocrypt_status_t *status;
status = mongocrypt_status_new();
mc_reader_t reader;
mc_reader_init_from_buffer(&reader, &input_buf, __func__);
uint32_t u32;
ASSERT_OK_STATUS(mc_reader_read_u32(&reader, &u32, status), status);
ASSERT_CMPUINT32(u32, ==, 0x33221100);
uint64_t u64;
ASSERT_OK_STATUS(mc_reader_read_u64(&reader, &u64, status), status);
ASSERT_CMPUINT64(u64, ==, 0x7766554433221100ULL);
_mongocrypt_buffer_cleanup(&input_buf);
mongocrypt_status_destroy(status);
}
static void _test_mc_reader_bytes(_mongocrypt_tester_t *tester) {
const uint8_t expected_bytes[] =
{0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12, 0x34, 0x56, 0x78, 0x90, 0x12};
uint64_t expected_len = sizeof(expected_bytes);
_mongocrypt_buffer_t input_buf;
_mongocrypt_buffer_copy_from_hex(&input_buf, "12345678901234567890123456789012");
mongocrypt_status_t *status;
status = mongocrypt_status_new();
mc_reader_t reader;
mc_reader_init_from_buffer(&reader, &input_buf, __func__);
const uint8_t *ptr;
const uint64_t len = 4;
ASSERT_OK_STATUS(mc_reader_read_bytes(&reader, (const uint8_t **)&ptr, len, status), status);
ASSERT_CMPBYTES(expected_bytes, 4, ptr, (size_t)len);
_mongocrypt_buffer_t value_buf;
ASSERT_OK_STATUS(mc_reader_read_buffer_to_end(&reader, &value_buf, status), status);
ASSERT_CMPBYTES(expected_bytes + 4u, (size_t)expected_len - 4u, value_buf.data, value_buf.len);
_mongocrypt_buffer_cleanup(&input_buf);
_mongocrypt_buffer_cleanup(&value_buf);
mongocrypt_status_destroy(status);
}
void _mongocrypt_tester_install_mc_reader(_mongocrypt_tester_t *tester) {
INSTALL_TEST(_test_mc_reader);
INSTALL_TEST(_test_mc_reader_uuid);
INSTALL_TEST(_test_mc_reader_prfblock);
INSTALL_TEST(_test_mc_reader_ints);
INSTALL_TEST(_test_mc_reader_bytes);
}