# Variables
[env]
CARGO_TARGET_DIR = { value = "${PROJECT_DIR}/target", condition = { env_not_set = ["CARGO_TARGET_DIR"] } }
PROFILE = { value = "release", condition = {env_not_set = ["PROFILE"]} }
PROFILE_DIR = {value = "release", condition = {env_not_set = ["PROFILE_DIR"] }}
FUZZER_NAME='fuzzer_libpng_accounting'
LIBAFL_CC = '${CARGO_TARGET_DIR}/${PROFILE_DIR}/libafl_cc'
LIBAFL_CXX = '${CARGO_TARGET_DIR}/${PROFILE}/libafl_cxx'
FUZZER = '${CARGO_TARGET_DIR}/${PROFILE_DIR}/${FUZZER_NAME}'
PROJECT_DIR = { script = ["pwd"] }

[tasks.unsupported]
script_runner="@shell"
script='''
echo "Cargo-make not integrated yet on this platform"
'''

# libpng
[tasks.libpng]
linux_alias = "libpng_unix"
mac_alias = "libpng_unix"
windows_alias = "unsupported"

[tasks.libpng_unix]
condition = { files_not_exist = ["./libpng-1.6.37"]}
script_runner="@shell"
script='''
wget https://github.com/glennrp/libpng/archive/refs/tags/v1.6.37.tar.gz
tar -xvf v1.6.37.tar.gz
'''

# Compilers
[tasks.cxx]
linux_alias = "cxx_unix"
mac_alias = "cxx_unix"
windows_alias = "unsupported"

[tasks.cxx_unix]
command = "cargo"
args = ["build" , "--profile", "${PROFILE}"]

[tasks.cc]
linux_alias = "cc_unix"
mac_alias = "cc_unix"
windows_alias = "unsupported"

[tasks.cc_unix]
command = "cargo"
args = ["build" , "--profile", "${PROFILE}"]

# Library
[tasks.lib]
linux_alias = "lib_unix"
mac_alias = "lib_unix"
windows_alias = "unsupported"

[tasks.lib_unix]
script_runner="@shell"
script='''
cd libpng-1.6.37 && ./configure --enable-shared=no --with-pic=yes --enable-hardware-optimizations=yes
cd "${PROJECT_DIR}"
make -C libpng-1.6.37 CC="${CARGO_TARGET_DIR}/${PROFILE_DIR}/libafl_cc" CXX="${CARGO_TARGET_DIR}/${PROFILE_DIR}/libafl_cxx"
'''
dependencies = [ "libpng", "cxx", "cc" ]


# Harness
[tasks.fuzzer]
linux_alias = "fuzzer_unix"
mac_alias = "fuzzer_unix"
windows_alias = "unsupported"

[tasks.fuzzer_unix]
command = "${CARGO_TARGET_DIR}/${PROFILE_DIR}/libafl_cxx"
args = ["${PROJECT_DIR}/harness.cc", "${PROJECT_DIR}/libpng-1.6.37/.libs/libpng16.a", "-I", "${PROJECT_DIR}/libpng-1.6.37/", "-o", "${FUZZER_NAME}", "-lm", "-lz"]
dependencies = [ "lib", "cxx", "cc" ]

# Run the fuzzer
[tasks.run]
linux_alias = "run_unix"
mac_alias = "run_unix"
windows_alias = "unsupported"

[tasks.run_unix]
script_runner = "@shell"
script='''
./${FUZZER_NAME} --cores 0 --input ./corpus
'''
dependencies = [ "fuzzer" ]

# Test
[tasks.test]
linux_alias = "test_unix"
mac_alias = "test_mac"
windows_alias = "unsupported"

[tasks.test_unix]
script_runner = "@shell"
script='''
rm -rf libafl_unix_shmem_server || true
timeout 31s ./${FUZZER_NAME} --cores 0 --input ./corpus >fuzz_stdout.log 2>/dev/null || true
if [ -z "$(grep "corpus: 30" fuzz_stdout.log)" ]; then
    echo "Fuzzer does not generate any testcases or any crashes"
    exit 1
else
    echo "Fuzzer is working"
fi
'''
dependencies = [ "fuzzer" ]

[tasks.test_mac]
script_runner = "@shell"
script='''
rm -rf libafl_unix_shmem_server || true
timeout 31s ./${FUZZER_NAME} --cores 0 --input ./corpus >fuzz_stdout.log 2>/dev/null || true
'''
dependencies = [ "fuzzer" ]

# Clean up
[tasks.clean]
linux_alias = "clean_unix"
mac_alias = "clean_unix"
windows_alias = "unsupported"

[tasks.clean_unix]
# Disable default `clean` definition
clear = true
script_runner="@shell"
script='''
rm -f ./${FUZZER_NAME}
make -C libpng-1.6.37 clean
cargo clean
'''