Dockerfile

FROM debian:bookworm

RUN apt update -y && apt upgrade -y && apt install -y build-essential wget cmake google-perftools


############### INSTALL FNETD
RUN wget https://cloud.sec.in.tum.de/index.php/s/65BwEo2zgLFGa65/download/fnetd.tar.xz -O /fnetd.tar.xz
RUN tar -xf fnetd.tar.xz
RUN mkdir /fnetd/build

WORKDIR /fnetd/build
RUN cmake .. -G "Unix Makefiles"
RUN make

WORKDIR /
############### END INSTALL

## Add your own dummy get_flag here
COPY get_flag /bin/get_flag
RUN chmod 0755 /bin/get_flag

## Uncomment to use course libc.
COPY "libc-2.36.so" "/lib/x86_64-linux-gnu/libc-2.36-bx.so"
RUN ln -sf /lib/x86_64-linux-gnu/libc-2.36-bx.so /lib/x86_64-linux-gnu/libc.so.6

RUN useradd -m pwn

COPY image_files/translator /translator

RUN echo "LD_PRELOAD=/usr/lib/libtcmalloc.so.4" | tee -a /etc/environment

RUN ln -s /translator/translator.sh /bin/t

RUN chmod 0755 /translator/translator.sh

COPY vuln /home/pwn/vuln

RUN chmod 0755 /home/pwn/vuln

RUN apt update && apt install python3 git gdb -y

RUN git clone https://github.com/pwndbg/pwndbg.git  \
    && cd /pwndbg && git checkout 2024.08.29 && ./setup.sh


EXPOSE 1337

# Feel free to replace password with the actual chall pw
ENV FNETD_PASSWORD=fnetd_password
CMD ["/fnetd/build/fnetd", "-p", "1337", "-u", "pwn", "-lt", "2", "-lm", "536870912", "./vuln"]