main.py

from hexdump2 import hexdump
import gradio as gr
import shlex
import subprocess
import tempfile

description = """This is a space testing a method for evaluating the quality of decompilation.

Currently unhandled features:
* Global references
* Function calls
"""


def compile(compiler, flags, source):
    # Create a temporary file for the C source code
    with tempfile.NamedTemporaryFile(suffix=".c", delete=False) as temp_c_file:
        temp_c_file.write(source.encode())
        temp_c_file_name = temp_c_file.name

    # Create a temporary file for the object file
    with tempfile.NamedTemporaryFile(suffix=".o", delete=False) as temp_o_file:
        temp_o_file_name = temp_o_file.name

    # Compile the C file to an object file
    subprocess.run(
        [compiler, "-c", temp_c_file_name]
        + shlex.split(flags)
        + ["-o", temp_o_file_name],
        check=True,
    )

    # Create a temporary file for the raw bytes
    with tempfile.NamedTemporaryFile(suffix=".raw", delete=True) as raw_bytes_file:
        subprocess.run(
            [
                "objcopy",
                "--only-section",
                ".text",
                "-O",
                "binary",
                temp_o_file_name,
                raw_bytes_file.name,
            ]
        )
        compiled_bytes = raw_bytes_file.read()
        print(compiled_bytes)

    return compiled_bytes


def predict(target, source, compiler, flags):
    target = bytes.fromhex(target)
    bytes = compile(compiler, flags, source)
    return hexdump(bytes, result="return"), hexdump(target, result="return"), 1.0


def run():
    demo = gr.Interface(
        fn=predict,
        description=description,
        inputs=[
            gr.Textbox(lines=10, label="Bytes of Target Function (in hex)", value="61 62 63"),
            gr.Textbox(lines=10, label="Decompiled C Source Code", value="int foo() { return 42; }"),
            gr.Textbox(label="Compiler", value="gcc"),
            gr.Textbox(label="Compiler Flags", value="-O2"),
        ],
        outputs=[
            gr.Textbox(label="Compiled bytes"),
            gr.Textbox(label="Target bytes"),
            gr.Number(label="Accuracy (TBD)"),
        ],
    )

    demo.launch(server_name="0.0.0.0", server_port=7860)


run()