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author | Khaled Yakdan <yakdan@code-intelligence.de> | 2019-08-01 14:22:48 +0200 |
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committer | Khaled Yakdan <yakdan@code-intelligence.de> | 2019-08-01 14:22:48 +0200 |
commit | ebf2c8caa590468e1eafbc257e44dc30af82e5f8 (patch) | |
tree | 2b277b9bde32b82c2cedf684869c96424baa005f /qemu_mode/libcompcov/compcovtest.cc | |
parent | a949b40d11956f34c51f4546412a73e0400d1ffc (diff) | |
parent | 7ca22cd552ff21ac0ef7cc1ab5e6e71912752a58 (diff) | |
download | afl++-ebf2c8caa590468e1eafbc257e44dc30af82e5f8.tar.gz |
Merge remote-tracking branch 'github/master' into custom_mutator
# Conflicts: # Makefile # afl-fuzz.c
Diffstat (limited to 'qemu_mode/libcompcov/compcovtest.cc')
-rw-r--r-- | qemu_mode/libcompcov/compcovtest.cc | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/qemu_mode/libcompcov/compcovtest.cc b/qemu_mode/libcompcov/compcovtest.cc new file mode 100644 index 00000000..fd1fda00 --- /dev/null +++ b/qemu_mode/libcompcov/compcovtest.cc @@ -0,0 +1,63 @@ +///////////////////////////////////////////////////////////////////////// +// +// Author: Mateusz Jurczyk (mjurczyk@google.com) +// +// Copyright 2019 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. +// + +// solution: echo -ne 'The quick brown fox jumps over the lazy dog\xbe\xba\xfe\xca\xbe\xba\xfe\xca\xde\xc0\xad\xde\xef\xbe' | ./compcovtest + +#include <cstdint> +#include <cstdio> +#include <cstdlib> +#include <cstring> + +int main() { + char buffer[44] = { /* zero padding */ }; + fread(buffer, 1, sizeof(buffer) - 1, stdin); + + if (memcmp(&buffer[0], "The quick brown fox ", 20) != 0 || + strncmp(&buffer[20], "jumps over ", 11) != 0 || + strcmp(&buffer[31], "the lazy dog") != 0) { + return 1; + } + + uint64_t x = 0; + fread(&x, sizeof(x), 1, stdin); + if (x != 0xCAFEBABECAFEBABE) { + return 2; + } + + uint32_t y = 0; + fread(&y, sizeof(y), 1, stdin); + if (y != 0xDEADC0DE) { + return 3; + } + + uint16_t z = 0; + fread(&z, sizeof(z), 1, stdin); + + switch (z) { + case 0xBEEF: + break; + + default: + return 4; + } + + printf("Puzzle solved, congrats!\n"); + abort(); + return 0; +} |