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| 1 | +# |
| 2 | +# Copyright (c) 2023 Alan de Freitas ([email protected]) |
| 3 | +# Copyright (c) 2024 Mohammad Nejati |
| 4 | +# |
| 5 | +# Distributed under the Boost Software License, Version 1.0. |
| 6 | +# https://www.boost.org/LICENSE_1_0.txt |
| 7 | +# |
| 8 | + |
| 9 | +# Get number of cores |
| 10 | +include(ProcessorCount) |
| 11 | +ProcessorCount(PROCESSOR_COUNT) |
| 12 | + |
| 13 | +# Determine total fuzz time per file |
| 14 | +file(GLOB BOOST_BEAST_FUZZER_SOURCE_FILES *.cpp) |
| 15 | +list(LENGTH BOOST_BEAST_FUZZER_SOURCE_FILES BOOST_BEAST_FUZZER_SOURCE_FILES_COUNT) |
| 16 | +set(BOOST_BEAST_FUZZER_TOTAL_TIME_DEFAULT 300) |
| 17 | +math(EXPR BOOST_BEAST_FUZZER_TOTAL_TIME_DEFAULT "${BOOST_BEAST_FUZZER_TOTAL_TIME_DEFAULT} / (${PROCESSOR_COUNT} * ${BOOST_BEAST_FUZZER_SOURCE_FILES_COUNT}) + 1") |
| 18 | + |
| 19 | +# Fuzzing options |
| 20 | +set(BOOST_BEAST_FUZZER_TOTAL_TIME ${BOOST_BEAST_FUZZER_TOTAL_TIME_DEFAULT} CACHE STRING "Total time for fuzzing") |
| 21 | +set(BOOST_BEAST_FUZZER_RSS_LIMIT 8192 CACHE STRING "RSS limit for fuzzing") |
| 22 | +set(BOOST_BEAST_FUZZER_TIMEOUT 30 CACHE STRING "Timeout for fuzzing") |
| 23 | +set(BOOST_BEAST_FUZZER_MAX_LEN 4000 CACHE STRING "Maximum size of the input") |
| 24 | +set(BOOST_BEAST_FUZZER_JOBS ${PROCESSOR_COUNT} CACHE STRING "Number of jobs for fuzzing") |
| 25 | +option(BOOST_BEAST_FUZZER_ADD_TO_CTEST "Add fuzzing targets to ctest" OFF) |
| 26 | +set(BOOST_BEAST_FUZZER_CORPUS_PATH ${CMAKE_CURRENT_BINARY_DIR}/corpus.tar CACHE STRING "Path to corpus.tar") |
| 27 | + |
| 28 | +# Corpus |
| 29 | +set(BOOST_BEAST_FUZZER_SEEDS_PATH ${CMAKE_CURRENT_SOURCE_DIR}/seeds.tar) |
| 30 | +set(BOOST_BEAST_FUZZER_SEEDS_DIR ${CMAKE_CURRENT_BINARY_DIR}/seeds) |
| 31 | +get_filename_component(BOOST_BEAST_FUZZER_SEEDS_PARENT_DIR ${BOOST_BEAST_FUZZER_SEEDS_DIR} DIRECTORY) |
| 32 | +add_custom_target( |
| 33 | + untar_seeds |
| 34 | + COMMAND ${CMAKE_COMMAND} -E echo "Untar fuzz seeds from ${BOOST_BEAST_FUZZER_SEEDS_PATH} to ${BOOST_BEAST_FUZZER_SEEDS_PARENT_DIR}/seeds" |
| 35 | + COMMAND ${CMAKE_COMMAND} -E tar xf ${BOOST_BEAST_FUZZER_SEEDS_PATH} |
| 36 | + WORKING_DIRECTORY ${BOOST_BEAST_FUZZER_SEEDS_PARENT_DIR} |
| 37 | + COMMENT "Unzipping fuzz seeds" |
| 38 | + VERBATIM) |
| 39 | + |
| 40 | +set(BOOST_BEAST_FUZZER_CORPUS_DIR ${CMAKE_CURRENT_BINARY_DIR}/corpus) |
| 41 | +set(BOOST_BEAST_FUZZER_MERGED_CORPUS_DIR ${CMAKE_CURRENT_BINARY_DIR}/merged-corpus) |
| 42 | +if(EXISTS ${BOOST_BEAST_FUZZER_CORPUS_PATH}) |
| 43 | + add_custom_target( |
| 44 | + untar_corpus |
| 45 | + COMMAND ${CMAKE_COMMAND} -E echo "Untar fuzz corpus archive from \"${BOOST_BEAST_FUZZER_CORPUS_PATH}\" to \"${CMAKE_CURRENT_BINARY_DIR}/corpus\"" |
| 46 | + COMMAND ${CMAKE_COMMAND} -E tar xf ${BOOST_BEAST_FUZZER_CORPUS_PATH} |
| 47 | + WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR} |
| 48 | + COMMENT "Unzipping fuzz corpus" |
| 49 | + VERBATIM) |
| 50 | +else() |
| 51 | + add_custom_target(untar_corpus |
| 52 | + COMMAND ${CMAKE_COMMAND} -E echo "No fuzz corpus archive in ${BOOST_BEAST_FUZZER_CORPUS_PATH}. Create empty fuzz corpus dir \"${BOOST_BEAST_FUZZER_CORPUS_DIR}.\"" |
| 53 | + COMMAND ${CMAKE_COMMAND} -E make_directory ${BOOST_BEAST_FUZZER_CORPUS_DIR} |
| 54 | + COMMENT "Creating fuzz corpus directory" |
| 55 | + VERBATIM) |
| 56 | +endif() |
| 57 | +add_dependencies(untar_corpus untar_seeds) |
| 58 | + |
| 59 | +# Target that runs all fuzz targets |
| 60 | +get_filename_component(BOOST_BEAST_FUZZER_CORPUS_PARENT_DIR ${BOOST_BEAST_FUZZER_CORPUS_PATH} DIRECTORY) |
| 61 | +add_custom_target( |
| 62 | + boost_beast_fuzz_all |
| 63 | + COMMAND ${CMAKE_COMMAND} -E echo "Archive corpus from \"${BOOST_BEAST_FUZZER_CORPUS_DIR}\" to \"${BOOST_BEAST_FUZZER_CORPUS_PATH}\"" |
| 64 | + COMMAND ${CMAKE_COMMAND} -E tar cf ${BOOST_BEAST_FUZZER_CORPUS_PATH} ${BOOST_BEAST_FUZZER_CORPUS_DIR} |
| 65 | + WORKING_DIRECTORY ${BOOST_BEAST_FUZZER_CORPUS_PARENT_DIR} |
| 66 | + VERBATIM) |
| 67 | + |
| 68 | +# Register a single fuzzer and add as dependency to fuzz target |
| 69 | +function(add_boost_beast_fuzzer NAME) |
| 70 | + # Fuzzer executable |
| 71 | + set(SOURCE_FILES ${ARGN}) |
| 72 | + add_executable(fuzzer_${NAME} ${SOURCE_FILES}) |
| 73 | + target_link_libraries(fuzzer_${NAME} PRIVATE lib-beast) |
| 74 | + target_compile_options(fuzzer_${NAME} PRIVATE -g -O2 -fsanitize=fuzzer,address,undefined -fno-sanitize-recover=undefined) |
| 75 | + target_link_libraries(fuzzer_${NAME} PRIVATE -fsanitize=fuzzer,address,undefined) |
| 76 | + set_property(TARGET fuzzer_${NAME} PROPERTY FOLDER "fuzzing") |
| 77 | + |
| 78 | + # Custom target to run fuzzer executable |
| 79 | + add_custom_target( |
| 80 | + fuzz_${NAME} |
| 81 | + ALL |
| 82 | + COMMAND ${CMAKE_COMMAND} -E make_directory ${BOOST_BEAST_FUZZER_CORPUS_DIR}/${NAME} |
| 83 | + COMMAND ${CMAKE_COMMAND} -E echo "Running fuzzer ${NAME} with corpus from ${BOOST_BEAST_FUZZER_CORPUS_DIR}/${NAME} and seeds from ${BOOST_BEAST_FUZZER_SEEDS_DIR}/${NAME}" |
| 84 | + COMMAND |
| 85 | + fuzzer_${NAME} |
| 86 | + -rss_limit_mb=${BOOST_BEAST_FUZZER_RSS_LIMIT} |
| 87 | + -max_total_time=${BOOST_BEAST_FUZZER_TOTAL_TIME} |
| 88 | + -timeout=${BOOST_BEAST_FUZZER_TIMEOUT} |
| 89 | + -max_len=${BOOST_BEAST_FUZZER_MAX_LEN} |
| 90 | + -jobs=${BOOST_BEAST_FUZZER_JOBS} |
| 91 | + ${BOOST_BEAST_FUZZER_CORPUS_DIR}/${NAME} |
| 92 | + ${BOOST_BEAST_FUZZER_SEEDS_DIR}/${NAME} |
| 93 | + COMMAND ${CMAKE_COMMAND} -E make_directory ${BOOST_BEAST_FUZZER_MERGED_CORPUS_DIR}/${NAME} |
| 94 | + COMMAND ${CMAKE_COMMAND} -E echo "Merging corpus from ${BOOST_BEAST_FUZZER_CORPUS_DIR}/${NAME} to ${BOOST_BEAST_FUZZER_MERGED_CORPUS_DIR}/${NAME}" |
| 95 | + COMMAND |
| 96 | + fuzzer_${NAME} |
| 97 | + -merge=1 |
| 98 | + ${BOOST_BEAST_FUZZER_MERGED_CORPUS_DIR}/${NAME} |
| 99 | + ${BOOST_BEAST_FUZZER_CORPUS_DIR}/${NAME} |
| 100 | + ${BOOST_BEAST_FUZZER_SEEDS_DIR}/${NAME} |
| 101 | + COMMAND ${CMAKE_COMMAND} -E echo "Replacing corpus in ${BOOST_BEAST_FUZZER_CORPUS_DIR}/${NAME} with merged corpus from ${BOOST_BEAST_FUZZER_MERGED_CORPUS_DIR}/${NAME}" |
| 102 | + COMMAND ${CMAKE_COMMAND} -E remove_directory ${BOOST_BEAST_FUZZER_CORPUS_DIR}/${NAME} |
| 103 | + COMMAND ${CMAKE_COMMAND} -E make_directory ${BOOST_BEAST_FUZZER_CORPUS_DIR}/${NAME} |
| 104 | + COMMAND ${CMAKE_COMMAND} -E copy_directory ${BOOST_BEAST_FUZZER_MERGED_CORPUS_DIR}/${NAME} ${BOOST_BEAST_FUZZER_CORPUS_DIR}/${NAME} |
| 105 | + COMMAND ${CMAKE_COMMAND} -E remove_directory ${BOOST_BEAST_FUZZER_MERGED_CORPUS_DIR}/${NAME} |
| 106 | + DEPENDS untar_corpus fuzzer_${NAME}) |
| 107 | + add_dependencies(fuzz_${NAME} fuzzer_${NAME}) |
| 108 | + add_dependencies(boost_beast_fuzz_all fuzz_${NAME}) |
| 109 | + set_property(TARGET fuzz_${NAME} PROPERTY ENVIRONMENT "UBSAN_OPTIONS=halt_on_error=false") |
| 110 | +endfunction() |
| 111 | + |
| 112 | +# Register all fuzzers |
| 113 | +file(GLOB BOOST_BEAST_FUZZER_SOURCE_FILES *.cpp) |
| 114 | +source_group("" FILES ${BOOST_BEAST_FUZZER_SOURCE_FILES}) |
| 115 | +foreach(BOOST_BEAST_FUZZER_SOURCE_FILE ${BOOST_BEAST_FUZZER_SOURCE_FILES}) |
| 116 | + file(RELATIVE_PATH BOOST_BEAST_FUZZER_SOURCE_FILE ${CMAKE_CURRENT_SOURCE_DIR} ${BOOST_BEAST_FUZZER_SOURCE_FILE}) |
| 117 | + string(REGEX REPLACE "(.*).cpp" "\\1" RULE_NAME ${BOOST_BEAST_FUZZER_SOURCE_FILE}) |
| 118 | + add_boost_beast_fuzzer(${RULE_NAME} ${BOOST_BEAST_FUZZER_SOURCE_FILE}) |
| 119 | +endforeach() |
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