From c7887abb64669573cf4b3fba6d438eb7ebcfc1fc Mon Sep 17 00:00:00 2001 From: van Hauser Date: Sat, 20 Jul 2019 13:12:19 +0200 Subject: added test and debug --- qemu_mode/libcompcov/compcovtest.cc | 63 +++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 qemu_mode/libcompcov/compcovtest.cc (limited to 'qemu_mode/libcompcov/compcovtest.cc') 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 +#include +#include +#include + +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; +} -- cgit 1.4.1