43 lines
1.2 KiB
Text
43 lines
1.2 KiB
Text
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FROM debian:bookworm-slim
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ENV DEBIAN_FRONTEND=noninteractive
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# Install packages
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RUN apt-get update && \
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apt-get install -y --no-install-recommends \
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openssh-server \
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dosemu2 \
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dosbox-staging \
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busybox-static \
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sudo \
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ca-certificates \
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curl \
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&& rm -rf /var/lib/apt/lists/*
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# Provide DOS wrapper and service supervisor
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COPY dos-shell /usr/local/bin/dos-shell
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COPY start-services.sh /usr/local/bin/start-dos-services
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RUN chmod +x /usr/local/bin/dos-shell /usr/local/bin/start-dos-services && \
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echo "/usr/local/bin/dos-shell" >> /etc/shells
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# Create sshd runtime directory
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RUN mkdir -p /var/run/sshd
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# Create dos user
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RUN useradd -m -s /usr/local/bin/dos-shell dosuser && \
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mkdir -p /home/dosuser/.ssh && chown -R dosuser:dosuser /home/dosuser && \
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echo "dosuser:dosuser" | chpasswd
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# Create directories for allowed DOS files and the C: drive mount
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RUN mkdir -p /opt/allowed_repo /cdrive /etc/dos_env && \
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chown -R dosuser:dosuser /opt/allowed_repo /cdrive
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# Default allowed list (can be overridden with a bind mount)
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COPY dos_allowed /etc/dos_allowed
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# Configure sshd to force command for dosuser
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COPY sshd_config /etc/ssh/sshd_config
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EXPOSE 22 23
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CMD ["/usr/local/bin/start-dos-services"]
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