add fuzz testing for the packet parser

1 files changed, 26 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 66447c1..218f43b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,4 +1,12 @@
 cmake_minimum_required(VERSION 3.0)
+
+# Must be set before project, otherwise you cannot choose between gcc and clang
+option(ENABLE_FUZZING_TEST "Enable fuzzing test" False)
+if(ENABLE_FUZZING_TEST)
+	set(CMAKE_C_COMPILER "clang")
+	set(CMAKE_CXX_COMPILER "clang++")
+endif()
+
 project(marsio)
 
 if(NOT MACHINE)
@@ -9,7 +17,14 @@ set(RTE_MARCH ${MACHINE})
 
 # Include Modules
 set(CMAKE_MODULE_PATH ${PROJECT_SOURCE_DIR}/cmake)
+
 find_package(DPDK REQUIRED)
+link_directories(${DPDK_LIBRARY_DIR})
+include_directories(${DPDK_INCLUDE_DIR})
+
+find_package(PCAP REQUIRED)
+link_directories(${PCAP_LIBRARY_DIR})
+include_directories(${PCAP_INCLUDE_DIR})
 
 # version
 include(Version)
@@ -46,6 +61,17 @@ elseif(ENABLE_SANITIZE_THREAD)
 	set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -lasan")
 endif()
 
+if(ENABLE_FUZZING_TEST)
+	# These options need to be added to the compilation options when building the library under test
+	# ref: https://github.com/google/fuzzer-test-suite/blob/master/common.sh
+	set(FSANITIZE_FUZZER_FLAGS "-fsanitize=address,fuzzer-no-link")
+	set(COVERAGE_FLAGS "-fprofile-instr-generate -fcoverage-mapping")
+	set(OTHER_FLAGS "-fPIC -m64 -march=${MACHINE}")
+	set(CMAKE_C_FLAGS "${FSANITIZE_FUZZER_FLAGS} ${COVERAGE_FLAGS} ${OTHER_FLAGS}")
+    set(CMAKE_CXX_FLAGS "${FSANITIZE_FUZZER_FLAGS} ${COVERAGE_FLAGS} ${OTHER_FLAGS}")
+	add_subdirectory(fuzzing)
+endif()
+
 if(ENABLE_VNODE_CHECK_THREAD_SAFE)
 	add_definitions(-DVNODE_CHECK_THREAD_SAFE)
 endif()