# Variables
[env]
CARGO_TARGET_DIR = { value = "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"] }}

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

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

# Library
[tasks.lib]
linux_alias = "lib_unix"
mac_alias = "unsupported"
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 ..
make -C libpng-1.6.37
'''
dependencies = [ "libpng" ]

# Harness
[tasks.harness]
linux_alias = "harness_unix"
mac_alias = "unsupported"
windows_alias = "unsupported"

[tasks.harness_unix]
script_runner="@shell"
script='''
clang++ -O0 -c -fPIC harness.cc -o harness.o
clang++ -O0 harness.cc libpng-1.6.37/.libs/libpng16.a -lz -o libpng-harness -g
'''
dependencies = [ "lib" ]

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

[tasks.fuzzer_unix]
script_runner="@shell"
script='''
cargo build --profile ${PROFILE}
'''

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

[tasks.run_unix]
script_runner = "@shell"
script='''
LD_PRELOAD=$CARGO_TARGET_DIR/${PROFILE_DIR}/libfrida_executable_fuzzer.so ./libpng-harness -i corpus -o out -H ./libpng-harness
'''
dependencies = [ "fuzzer", "harness" ]

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

[tasks.test_unix]
script_runner = "@shell"
script='''
rm -rf libafl_unix_shmem_server || true
LD_PRELOAD=$CARGO_TARGET_DIR/${PROFILE_DIR}/libfrida_executable_fuzzer.so ./libpng-harness -i corpus -o out -H ./libpng-harness > fuzz_stdout.log &
sleep 10s && pkill libpng-harness
if grep -qa "corpus: 30" fuzz_stdout.log; then
    echo "Fuzzer is working"
else
    echo "Fuzzer does not generate any testcases or any crashes"
    exit 1
fi
'''
dependencies = [ "fuzzer", "harness" ]

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

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