55 lines
1.8 KiB
Docker
55 lines
1.8 KiB
Docker
FROM ubuntu:22.04
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ENV DEBIAN_FRONTEND=noninteractive
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# Install base packages and enable the dosemu2 PPA
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RUN apt-get update && \
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apt-get install -y --no-install-recommends \
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software-properties-common \
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gnupg \
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openssh-server \
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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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mtools \
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unzip \
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file \
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&& add-apt-repository -y ppa:dosemu2/ppa && \
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apt-get install -y --no-install-recommends \
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dosemu2 \
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&& rm -rf /var/lib/apt/lists/*
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# Provide DOS wrapper, SvarDOS bootstrapper, and service supervisor
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COPY scripts/dos-shell /usr/local/bin/dos-shell
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COPY scripts/prepare-svardos.sh /usr/local/bin/prepare-svardos
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COPY scripts/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 /usr/local/bin/prepare-svardos && \
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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 /opt/svardos && \
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chown -R dosuser:dosuser /opt/allowed_repo /cdrive
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# Download and stage SvarDOS base files
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ARG SVARDOS_IMG_URL
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ENV SVARDOS_IMG_URL=${SVARDOS_IMG_URL}
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RUN /usr/local/bin/prepare-svardos && \
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chown -R dosuser:dosuser /opt/svardos
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# Default allowed list (can be overridden with a bind mount)
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COPY config/dos_allowed /etc/dos_allowed
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# Configure sshd to force command for dosuser
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COPY config/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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