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# docker build -t gearboy . && docker run --rm -it -p1024:1024 gearboy
FROM ubuntu:20.04
ENV DEBIAN_FRONTEND=noninteractive
RUN apt-get update && \
apt-get install --no-install-recommends -y gdb xinetd libncurses5-dev libncurses5 python3 python3-pip gdbserver build-essential git libsdl2-dev libglew-dev && \
apt-get clean
RUN pip3 install --no-cache-dir cryptography==3.3 pwntools
RUN useradd -d /home/ctf/ -m -p ctf -s /bin/bash ctf && echo "ctf:ctf" | chpasswd
WORKDIR /home/ctf
RUN git clone https://github.com/drhelius/Gearboy.git gearboy && cd gearboy && git checkout 2cb66cdcb05f77147b9a5941e8ab92bceea828ae
WORKDIR /home/ctf/gearboy/
COPY headless.patch /home/ctf/gearboy/
RUN git apply --ignore-space-change --ignore-whitespace headless.patch
WORKDIR /home/ctf/gearboy/platforms/linux
RUN make
RUN apt install -y curl python3.9 python-is-python3
RUN bash -c "$(curl -fsSL http://gef.blah.cat/sh)"
COPY flag /
COPY wrapper.py /home/ctf/wrapper.py
COPY python_svc /etc/xinetd.d/
env TERM=linux TERMINFO=/etc/terminfo
EXPOSE 1024
CMD ["xinetd", "-dontfork"]
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