29 lines
1.4 KiB
Docker
29 lines
1.4 KiB
Docker
ARG BASE_IMAGE=honeynet/conpot:latest
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FROM ${BASE_IMAGE}
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USER root
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# Replace 5020 with 502 in all templates so Modbus binds on the standard port
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RUN find /opt /usr /etc /home -name "*.xml" -exec sed -i 's/<port>5020<\/port>/<port>502<\/port>/g' {} + 2>/dev/null || true
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RUN find /opt /usr /etc /home -name "*.xml" -exec sed -i 's/port="5020"/port="502"/g' {} + 2>/dev/null || true
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# Install libcap and give the Python interpreter permission to bind ports < 1024
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RUN (apt-get update && apt-get install -y --no-install-recommends libcap2-bin 2>/dev/null) || (apk add --no-cache libcap 2>/dev/null) || true
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RUN find /home/conpot/.local/bin /usr /opt -type f -name 'python*' -exec setcap 'cap_net_bind_service+eip' {} \; 2>/dev/null || true
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# Bridge conpot's own logger into syslog-relay's RFC 5424 syslog pipeline.
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# entrypoint.py is self-contained (inlines the formatter) because the
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# conpot base image runs Python 3.6, which cannot import the shared
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# syslog_bridge.py (that file uses 3.9+ / 3.10+ type syntax).
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COPY entrypoint.py /home/conpot/entrypoint.py
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RUN chown conpot:conpot /home/conpot/entrypoint.py \
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&& chmod +x /home/conpot/entrypoint.py
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# The upstream image already runs as non-root 'conpot'.
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# We do NOT switch to a 'logrelay' user — doing so breaks pkg_resources
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# because conpot's eggs live under /home/conpot/.local and are only on
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# the Python path for that user.
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USER conpot
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ENTRYPOINT ["/usr/bin/python3", "/home/conpot/entrypoint.py"]
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