Justfile

import "../../../just/libafl-cc-libpng.just"

FUZZER_NAME := 'fuzzer_libpng'

[unix]
cc feat:
    cargo build --profile {{ PROFILE }} --features="{{ feat }}"

[unix]
cxx feat:
    cargo build --profile {{ PROFILE }} --features="{{ feat }}"

[unix]
lib feat: (libpng feat) (cxx feat)

# Feat is either nothing or "crash"
[unix]
fuzzer feat="": (lib feat) (cxx feat)
    {{ LIBAFL_CXX }} {{ PROJECT_DIR }}/harness.cc \
        "{{ LIBPNG_BUILD }}/.libs/libpng16.a" \
        "{{ ZLIB_BUILD }}/libz.a" \
        -I"{{ LIBPNG_INCLUDE }}" \
        -I"{{ LIBPNG_BUILD }}" \
        -I"{{ ZLIB_INCLUDE }}" \
        -L"{{ ZLIB_LIB }}" \
        -o {{ FUZZER_NAME }} \
        -lm -lz

# Feat is either nothing or "crash"
[unix]
run feat="": (fuzzer feat)
    #!/bin/bash
    ./{{ FUZZER_NAME }} &
    sleep 0.2
    ./{{ FUZZER_NAME }} 2>/dev/null

[unix]
test: fuzzer
    #!/bin/bash
    rm -rf libafl_unix_shmem_server || true
    (timeout -s KILL 31s ./{{ FUZZER_NAME }} 2>/dev/null | tee fuzz_stdout.log || true) &
    sleep 0.2
    timeout -s KILL 30s ./{{ FUZZER_NAME }} >/dev/null 2>/dev/null || true
    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

clean:
    rm -rf {{ FUZZER_NAME }}
    make -C libpng-1.6.37 clean || true
    cargo clean