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OSS-Fuzz: Add new fuzzer targets sftp client by arthurscchan · Pull Request #2723 · libssh2/libssh2 · GitHub
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OSS-Fuzz: Add new fuzzer targets sftp client #2723

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OSS-Fuzz: Add new fuzzer targets sftp client #2723

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16 changes: 16 additions & 0 deletions tests/ossfuzz/CMakeLists.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -22,3 +22,19 @@ else()
endif()
target_link_libraries(ssh2_client_fuzzer ${LIB_STATIC} ${LIBSSH2_LIBS_SOCKET})
set_target_properties(ssh2_client_fuzzer PROPERTIES UNITY_BUILD OFF)

add_executable(ssh2_sftp_client_fuzzer "ssh2_sftp_client_fuzzer.cc" "testinput.h")
target_include_directories(ssh2_sftp_client_fuzzer PRIVATE
"${PROJECT_SOURCE_DIR}/include"
"${PROJECT_SOURCE_DIR}/src")
if(LIB_FUZZING_ENGINE)
if(LIB_FUZZING_ENGINE STREQUAL "-fsanitize=fuzzer") # FIXME: compiler-specific
set_property(TARGET ssh2_sftp_client_fuzzer APPEND PROPERTY LINK_OPTIONS "${LIB_FUZZING_ENGINE}")
else()
target_link_libraries(ssh2_sftp_client_fuzzer ${LIB_FUZZING_ENGINE})
endif()
else()
target_link_libraries(ssh2_sftp_client_fuzzer standaloneengine)
endif()
target_link_libraries(ssh2_sftp_client_fuzzer ${LIB_STATIC} ${LIBSSH2_LIBS_SOCKET})
set_target_properties(ssh2_sftp_client_fuzzer PROPERTIES UNITY_BUILD OFF)
9 changes: 8 additions & 1 deletion tests/ossfuzz/Makefile.am
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Expand Up @@ -3,6 +3,8 @@

AM_CPPFLAGS = -I$(top_builddir)/include
AM_CPPFLAGS += -DLIBSSH2_TESTS
# In-tree fuzzers may exercise internal APIs (declared under src/).
AM_CPPFLAGS += -I$(top_srcdir)/src

LDADD = $(top_builddir)/src/libssh2.la

Expand All @@ -23,7 +25,8 @@ noinst_LIBRARIES =

if USE_OSSFUZZERS
noinst_PROGRAMS += \
ssh2_client_fuzzer
ssh2_client_fuzzer \
ssh2_sftp_client_fuzzer

noinst_LIBRARIES += \
libstandaloneengine.a
Expand All @@ -33,6 +36,10 @@ ssh2_client_fuzzer_SOURCES = ssh2_client_fuzzer.cc testinput.h
ssh2_client_fuzzer_CXXFLAGS = $(AM_CXXFLAGS) $(FUZZ_FLAG)
ssh2_client_fuzzer_LDFLAGS = $(AM_LDFLAGS) -static

ssh2_sftp_client_fuzzer_SOURCES = ssh2_sftp_client_fuzzer.cc testinput.h
ssh2_sftp_client_fuzzer_CXXFLAGS = $(AM_CXXFLAGS) $(FUZZ_FLAG)
ssh2_sftp_client_fuzzer_LDFLAGS = $(AM_LDFLAGS) -static

libstandaloneengine_a_SOURCES = standaloneengine.cc
libstandaloneengine_a_CXXFLAGS = $(AM_CXXFLAGS)

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8 changes: 7 additions & 1 deletion tests/ossfuzz/ossfuzz.sh
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Expand Up @@ -37,5 +37,11 @@ autoreconf -fi
--enable-debug
make V=1

# Copy the fuzzer to the output directory.
# Copy the fuzzers to the output directory.
cp -v tests/ossfuzz/ssh2_client_fuzzer "$OUT/"
cp -v tests/ossfuzz/ssh2_sftp_client_fuzzer "$OUT/"

# Package the sftp client fuzzer's seed corpus and dictionary.
zip -qj "$OUT/ssh2_sftp_client_fuzzer_seed_corpus.zip" \
tests/ossfuzz/ssh2_sftp_client_fuzzer_seed_corpus/*
cp -v tests/ossfuzz/ssh2_sftp_client_fuzzer.dict "$OUT/"
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