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13 | 13 | // limitations under the License. |
14 | 14 |
|
15 | 15 | #include <gtest/gtest.h> |
| 16 | +#include <cstring> |
16 | 17 |
|
17 | 18 | #include "osrf_testing_tools_cpp/scope_exit.hpp" |
18 | 19 |
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|
31 | 32 | #include "test_msgs/msg/bounded_plain_sequences.h" |
32 | 33 | #include "test_msgs/msg/bounded_plain_sequences.hpp" |
33 | 34 |
|
| 35 | +#include "test_msgs/msg/unbounded_sequences.h" |
| 36 | +#include "test_msgs/msg/unbounded_sequences.hpp" |
| 37 | + |
34 | 38 | #include "./allocator_testing_utils.h" |
35 | 39 |
|
| 40 | +static void check_bad_cdr_sequence_cases( |
| 41 | + const rosidl_message_type_support_t * ts, |
| 42 | + void * message) |
| 43 | +{ |
| 44 | + // Serialized CDR buffer for a data with all sequences empty. |
| 45 | + constexpr size_t kBufferSize = 132; |
| 46 | + const uint8_t valid_data[kBufferSize] = { |
| 47 | + 0x01, 0x00, 0x00, 0x00, // representation header (CDR little endian) |
| 48 | + 0x00, 0x00, 0x00, 0x00, // bool[] bool_values |
| 49 | + 0x00, 0x00, 0x00, 0x00, // byte[] byte_values |
| 50 | + 0x00, 0x00, 0x00, 0x00, // char[] char_values |
| 51 | + 0x00, 0x00, 0x00, 0x00, // float32[] float32_values |
| 52 | + 0x00, 0x00, 0x00, 0x00, // float64[] float64_values |
| 53 | + 0x00, 0x00, 0x00, 0x00, // int8[] int8_values |
| 54 | + 0x00, 0x00, 0x00, 0x00, // uint8[] uint8_values |
| 55 | + 0x00, 0x00, 0x00, 0x00, // int16[] int16_values |
| 56 | + 0x00, 0x00, 0x00, 0x00, // uint16[] uint16_values |
| 57 | + 0x00, 0x00, 0x00, 0x00, // int32[] int32_values |
| 58 | + 0x00, 0x00, 0x00, 0x00, // uint32[] uint32_values |
| 59 | + 0x00, 0x00, 0x00, 0x00, // int64[] int64_values |
| 60 | + 0x00, 0x00, 0x00, 0x00, // uint64[] uint64_values |
| 61 | + 0x00, 0x00, 0x00, 0x00, // string[] string_values |
| 62 | + 0x00, 0x00, 0x00, 0x00, // BasicTypes[] basic_types_values |
| 63 | + 0x00, 0x00, 0x00, 0x00, // Constants[] constants_values |
| 64 | + 0x00, 0x00, 0x00, 0x00, // Defaults[] defaults_values |
| 65 | + 0x00, 0x00, 0x00, 0x00, // bool[] bool_values_default |
| 66 | + 0x00, 0x00, 0x00, 0x00, // byte[] byte_values_default |
| 67 | + 0x00, 0x00, 0x00, 0x00, // char[] char_values_default |
| 68 | + 0x00, 0x00, 0x00, 0x00, // float32[] float32_values_default |
| 69 | + 0x00, 0x00, 0x00, 0x00, // float64[] float64_values_default |
| 70 | + 0x00, 0x00, 0x00, 0x00, // int8[] int8_values_default |
| 71 | + 0x00, 0x00, 0x00, 0x00, // uint8[] uint8_values_default |
| 72 | + 0x00, 0x00, 0x00, 0x00, // int16[] int16_values_default |
| 73 | + 0x00, 0x00, 0x00, 0x00, // uint16[] uint16_values_default |
| 74 | + 0x00, 0x00, 0x00, 0x00, // int32[] int32_values_default |
| 75 | + 0x00, 0x00, 0x00, 0x00, // uint32[] uint32_values_default |
| 76 | + 0x00, 0x00, 0x00, 0x00, // int64[] int64_values_default |
| 77 | + 0x00, 0x00, 0x00, 0x00, // uint64[] uint64_values_default |
| 78 | + 0x00, 0x00, 0x00, 0x00, // string[] string_values_default |
| 79 | + 0x00, 0x00, 0x00, 0x00 // int32 alignment_check |
| 80 | + }; |
| 81 | + |
| 82 | + uint8_t buffer[kBufferSize]; |
| 83 | + memcpy(buffer, valid_data, kBufferSize); |
| 84 | + |
| 85 | + // The first 4 bytes are the CDR representation header, which we don't modify. |
| 86 | + constexpr size_t kFirstSequenceOffset = 4; |
| 87 | + // The last 4 bytes are the alignment check, which we also don't modify. |
| 88 | + constexpr size_t kLastSequenceOffset = kBufferSize - 4; |
| 89 | + // Each sequence length is stored as a 4-byte unsigned integer. |
| 90 | + constexpr size_t kSequenceLengthSize = 4; |
| 91 | + |
| 92 | + for (size_t i = kFirstSequenceOffset; i < kLastSequenceOffset; i += kSequenceLengthSize) { |
| 93 | + // Corrupt the buffer by changing the size of a sequence to an invalid value. |
| 94 | + buffer[i] = 0xFF; |
| 95 | + buffer[i + 1] = 0xFF; |
| 96 | + buffer[i + 2] = 0xFF; |
| 97 | + buffer[i + 3] = 0xFF; |
| 98 | + |
| 99 | + // Expect the deserialization to fail. |
| 100 | + rmw_serialized_message_t serialized_message = rmw_get_zero_initialized_serialized_message(); |
| 101 | + serialized_message.buffer = const_cast<uint8_t *>(buffer); |
| 102 | + serialized_message.buffer_length = sizeof(buffer); |
| 103 | + serialized_message.buffer_capacity = sizeof(buffer); |
| 104 | + rmw_ret_t ret = rmw_deserialize(&serialized_message, ts, message); |
| 105 | + EXPECT_NE(RMW_RET_OK, ret); |
| 106 | + rmw_reset_error(); |
| 107 | + |
| 108 | + // Restore the buffer to a valid state. |
| 109 | + buffer[i] = 0x00; |
| 110 | + buffer[i + 1] = 0x00; |
| 111 | + buffer[i + 2] = 0x00; |
| 112 | + buffer[i + 3] = 0x00; |
| 113 | + } |
| 114 | +} |
| 115 | + |
36 | 116 | TEST(TestSerializeDeserialize, get_serialization_format) { |
37 | 117 | const char * serialization_format = rmw_get_serialization_format(); |
38 | 118 | EXPECT_NE(nullptr, serialization_format); |
@@ -171,6 +251,26 @@ TEST(TestSerializeDeserialize, clean_round_trip_for_c_bounded_message) { |
171 | 251 | EXPECT_EQ(input_message.uint16_values.data[0], output_message.uint16_values.data[0]); |
172 | 252 | } |
173 | 253 |
|
| 254 | +TEST(TestSerializeDeserialize, bad_cdr_sequence_correctly_fails_for_c) { |
| 255 | + { |
| 256 | + const char * serialization_format = rmw_get_serialization_format(); |
| 257 | + if (0 != strcmp(serialization_format, "cdr")) { |
| 258 | + GTEST_SKIP(); |
| 259 | + } |
| 260 | + } |
| 261 | + |
| 262 | + const rosidl_message_type_support_t * ts{ |
| 263 | + ROSIDL_GET_MSG_TYPE_SUPPORT(test_msgs, msg, UnboundedSequences)}; |
| 264 | + test_msgs__msg__UnboundedSequences output_message{}; |
| 265 | + ASSERT_TRUE(test_msgs__msg__UnboundedSequences__init(&output_message)); |
| 266 | + OSRF_TESTING_TOOLS_CPP_SCOPE_EXIT( |
| 267 | + { |
| 268 | + test_msgs__msg__UnboundedSequences__fini(&output_message); |
| 269 | + }); |
| 270 | + |
| 271 | + check_bad_cdr_sequence_cases(ts, &output_message); |
| 272 | +} |
| 273 | + |
174 | 274 | TEST(TestSerializeDeserialize, clean_round_trip_for_cpp_message) { |
175 | 275 | const rosidl_message_type_support_t * ts = |
176 | 276 | rosidl_typesupport_cpp::get_message_type_support_handle<test_msgs::msg::BasicTypes>(); |
@@ -244,6 +344,22 @@ TEST(TestSerializeDeserialize, clean_round_trip_for_cpp_bounded_message) { |
244 | 344 | EXPECT_EQ(input_message, output_message); |
245 | 345 | } |
246 | 346 |
|
| 347 | +TEST(TestSerializeDeserialize, bad_cdr_sequence_correctly_fails_for_cpp) { |
| 348 | + { |
| 349 | + const char * serialization_format = rmw_get_serialization_format(); |
| 350 | + if (0 != strcmp(serialization_format, "cdr")) { |
| 351 | + GTEST_SKIP(); |
| 352 | + } |
| 353 | + } |
| 354 | + |
| 355 | + using TestMessage = test_msgs::msg::UnboundedSequences; |
| 356 | + const rosidl_message_type_support_t * ts = |
| 357 | + rosidl_typesupport_cpp::get_message_type_support_handle<TestMessage>(); |
| 358 | + TestMessage output_message{}; |
| 359 | + |
| 360 | + check_bad_cdr_sequence_cases(ts, &output_message); |
| 361 | +} |
| 362 | + |
247 | 363 | TEST(TestSerializeDeserialize, rmw_get_serialized_message_size) |
248 | 364 | { |
249 | 365 | if (rmw_get_serialized_message_size(nullptr, nullptr, nullptr) != RMW_RET_UNSUPPORTED) { |
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