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qpdf/fuzz/CMakeLists.txt
2024-09-28 00:36:32 +01:00

220 lines
5.3 KiB
CMake

# This directory contains support for Google's oss-fuzz project. See
# https://github.com/google/oss-fuzz/tree/master/projects/qpdf
set(FUZZERS
qpdf_fuzzer
qpdf_crypt_fuzzer
qpdf_crypt_insecure_fuzzer
qpdf_lin_fuzzer
qpdf_pages_fuzzer
qpdf_outlines_fuzzer
ascii85_fuzzer
dct_fuzzer
flate_fuzzer
hex_fuzzer
json_fuzzer
lzw_fuzzer
pngpredictor_fuzzer
runlength_fuzzer
tiffpredictor_fuzzer)
# The oss-fuzz project provides LIB_FUZZING_ENGINE and OUT environment
# variables. For local testing, provide values if not set.
set(LIB_FUZZING_ENGINE $ENV{LIB_FUZZING_ENGINE})
if(NOT LIB_FUZZING_ENGINE)
# When running from oss-fuzz, LIB_FUZZING_ENGINE points to a
# static library that contains main.
add_library(standalone_fuzzer STATIC standalone_fuzz_target_runner.cc)
target_include_directories(
standalone_fuzzer PRIVATE ${qpdf_SOURCE_DIR}/include)
set(LIB_FUZZING_ENGINE standalone_fuzzer)
endif()
set(FUZZ_OUT $ENV{OUT})
if(NOT FUZZ_OUT)
set(FUZZ_OUT ${CMAKE_CURRENT_BINARY_DIR}/fuzz-install)
endif()
if(OSS_FUZZ)
# We need to link jpeg and zlib statically for oss-fuzz. Construct
# our own object library without the external dependencies and add
# what we need.
add_library(libqpdf_fuzz STATIC $<TARGET_OBJECTS:libqpdf_object>)
target_link_libraries(libqpdf_fuzz INTERFACE libjpeg.a libz.a)
target_include_directories(libqpdf_fuzz
PUBLIC
${JPEG_INCLUDE}
${qpdf_SOURCE_DIR}/include
${qpdf_SOURCE_DIR}/libqpdf)
else()
add_library(libqpdf_fuzz ALIAS libqpdf_object)
endif()
foreach(PROG ${FUZZERS})
add_executable(${PROG} ${PROG}.cc)
target_link_libraries(${PROG} ${LIB_FUZZING_ENGINE})
target_link_libraries(${PROG} libqpdf_fuzz)
endforeach()
# Files from the test suite that are good for seeding the fuzzer.
# Update count for qpdf in @fuzzers qtest/fuzz.test if you change this list.
set(CORPUS_FROM_TEST
stream-data.pdf
lin5.pdf
field-types.pdf
image-streams-small.pdf
need-appearances.pdf
outlines-with-actions.pdf
outlines-with-old-root-dests.pdf
page-labels-and-outlines.pdf
page-labels-num-tree.pdf
dr-with-indirect-item.pdf
fuzz-16214.pdf
issue-99b.pdf
issue-99.pdf
issue-100.pdf
issue-101.pdf
issue-106.pdf
issue-117.pdf
issue-119.pdf
issue-120.pdf
issue-141a.pdf
issue-141b.pdf
issue-143.pdf
issue-146.pdf
issue-147.pdf
issue-148.pdf
issue-149.pdf
issue-150.pdf
issue-202.pdf
issue-263.pdf
issue-335a.pdf
issue-335b.pdf)
# Any file that qpdf_fuzzer should be tested with can be named
# something.fuzz and dropped into qpdf_extra. Update count for qpdf in
# @fuzzers qtest/fuzz.test if you change this list.
set(CORPUS_OTHER
15316.fuzz
15387.fuzz
15390.fuzz
15442.fuzz
15445.fuzz
15983.fuzz
16172.fuzz
16301.fuzz
16953.fuzz
17630.fuzz
17630a.fuzz
17630b.fuzz
18241.fuzz
18247.fuzz
23172.fuzz
23599.fuzz
23642.fuzz
23642-mod.fuzz
26761.fuzz
26994.fuzz
27393.fuzz
28262.fuzz
30507.fuzz
37740.fuzz
57639.fuzz
65681.fuzz
65773.fuzz
65777.fuzz
68374.fuzz
68377.fuzz
68668.fuzz
68915.fuzz
69857.fuzz
69913.fuzz
69969.fuzz
69977.fuzz
69977a.fuzz
69977b.fuzz
69977c.fuzz
69977d.fuzz
69977e.fuzz
70055.fuzz
70245.fuzz
70306.fuzz
70306a.fuzz
70306b.fuzz
71624.fuzz
71689.fuzz
99999a.fuzz
99999b.fuzz
99999c.fuzz
99999d.fuzz
99999e.fuzz
369662293.fuzz
369662293a.fuzz
)
set(CORPUS_DIR ${CMAKE_CURRENT_BINARY_DIR}/qpdf_corpus)
file(MAKE_DIRECTORY ${CORPUS_DIR})
function(copy_fuzz FROM)
file(SHA1 ${FROM} SHA)
set(OUT ${CORPUS_DIR}/${SHA})
add_custom_command(
OUTPUT ${OUT}
COMMAND ${COPY_COMMAND} $<SHELL_PATH:${FROM}> $<SHELL_PATH:${OUT}>)
set(CORPUS_FILE ${OUT} PARENT_SCOPE)
endfunction()
list(APPEND CORPUS_FILES)
foreach(F ${CORPUS_FROM_TEST})
copy_fuzz(${qpdf_SOURCE_DIR}/qpdf/qtest/qpdf/${F})
list(APPEND CORPUS_FILES ${CORPUS_FILE})
endforeach()
foreach(F ${CORPUS_OTHER})
copy_fuzz(${CMAKE_CURRENT_SOURCE_DIR}/qpdf_extra/${F})
list(APPEND CORPUS_FILES ${CORPUS_FILE})
endforeach()
add_custom_target(qpdf_corpus ALL
DEPENDS ${CORPUS_FILES})
add_test(
NAME fuzz
COMMAND ${RUN_QTEST}
--env QPDF_FUZZ_CORPUS=${CORPUS_DIR}
--top ${qpdf_SOURCE_DIR}
--bin $<TARGET_FILE_DIR:qpdf_fuzzer>
--bin $<TARGET_FILE_DIR:qpdf>
--code ${qpdf_SOURCE_DIR}/fuzz
--color ${QTEST_COLOR}
--show-on-failure ${SHOW_FAILED_TEST_OUTPUT})
if(OSS_FUZZ)
list(APPEND SEED_CORPUS_ZIPS)
foreach(F ${FUZZERS})
if((F STRGREATER qpdf_) AND (F STRLESS qpdg))
set(SEED_DIR ${CORPUS_DIR})
else()
set(SEED_DIR ${CMAKE_CURRENT_SOURCE_DIR}/${F}_seed_corpus)
endif()
set(SEED_ZIP ${CMAKE_CURRENT_BINARY_DIR}/${F}_seed_corpus.zip)
add_custom_command(OUTPUT ${SEED_ZIP}
COMMAND zip -q -r ${SEED_ZIP} .
WORKING_DIRECTORY ${SEED_DIR})
list(APPEND SEED_CORPUS_ZIPS ${SEED_ZIP})
endforeach()
add_custom_target(seed_corpus_zips ALL DEPENDS ${SEED_CORPUS_ZIPS})
add_dependencies(seed_corpus_zips qpdf_corpus)
add_custom_target(fuzzers)
add_dependencies(fuzzers ${FUZZERS} seed_corpus_zips)
install(
TARGETS ${FUZZERS}
DESTINATION ${FUZZ_OUT}
EXCLUDE_FROM_ALL
COMPONENT fuzz)
install(
FILES
${CMAKE_CURRENT_SOURCE_DIR}/pdf.dict
${CMAKE_CURRENT_SOURCE_DIR}/qpdf_fuzzer.options
${SEED_CORPUS_ZIPS}
DESTINATION ${FUZZ_OUT}
EXCLUDE_FROM_ALL
COMPONENT fuzz)
endif()