| // Copyright 2021 Google LLC |
| // |
| // 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 |
| // |
| // https://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 "dice/cbor_reader.h" |
| #include "fuzzer/FuzzedDataProvider.h" |
| |
| extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) { |
| int64_t signed_int; |
| uint64_t unsigned_int; |
| size_t sz; |
| const uint8_t* ptr; |
| const char* str; |
| CborIn in; |
| CborIn peeker; |
| |
| CborInInit(data, size, &in); |
| |
| do { |
| peeker = in; |
| CborReadInt(&peeker, &signed_int); |
| |
| peeker = in; |
| CborReadUint(&peeker, &unsigned_int); |
| |
| peeker = in; |
| CborReadBstr(&peeker, &sz, &ptr); |
| |
| peeker = in; |
| CborReadTstr(&peeker, &sz, &str); |
| |
| peeker = in; |
| CborReadArray(&peeker, &sz); |
| |
| peeker = in; |
| CborReadMap(&peeker, &sz); |
| |
| peeker = in; |
| CborReadFalse(&peeker); |
| |
| peeker = in; |
| CborReadTrue(&peeker); |
| |
| peeker = in; |
| CborReadNull(&peeker); |
| |
| if (CborReadSkip(&in) != CBOR_READ_RESULT_OK) { |
| // Cannot progress futher with this buffer. |
| break; |
| } |
| } while (!CborInAtEnd(&in)); |
| |
| return 0; |
| } |