mirror of
https://github.com/linuxkit/linuxkit.git
synced 2025-10-31 02:13:29 +00:00
99 lines
3.1 KiB
Docker
99 lines
3.1 KiB
Docker
FROM linuxkit/alpine:07f7d136e427dc68154cd5edbb2b9576f9ac5213 AS kernel-build
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RUN apk --no-cache add \
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argp-standalone \
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automake \
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bash \
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bc \
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binutils-dev \
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bison \
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build-base \
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curl \
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diffutils \
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git \
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installkernel \
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kmod \
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libelf-dev \
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linux-headers \
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sed \
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tar \
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xz \
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zlib-dev \
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openssl \
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openssl-dev
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ARG KERNEL_VERSION
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ARG DEBUG=0
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ENV OKERNEL_SOURCE=https://github.com/linux-okernel/linux-okernel/archive/${KERNEL_VERSION}.tar.gz
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ENV USPACE_SOURCE=https://github.com/linux-okernel/linux-okernel-components/archive/master.tar.gz
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RUN if [ -n $HTTP_PROXY ]; then \
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curl -fsSL -x ${HTTP_PROXY} -o linux-${KERNEL_VERSION}.tar.gz ${OKERNEL_SOURCE}; \
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else \
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curl -fsSL -o linux-${KERNEL_VERSION}.tar.gz ${OKERNEL_SOURCE}; \
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fi
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RUN cat linux-${KERNEL_VERSION}.tar.gz | tar --absolute-names -xz && mv /linux-okernel-${KERNEL_VERSION} /linux
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COPY kernel_config.okernel /linux/.config
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RUN mkdir /out
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# Kernel
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RUN cd /linux && \
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make oldconfig && \
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make -j "$(getconf _NPROCESSORS_ONLN)" KCFLAGS="-fno-pie" && \
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cp arch/x86_64/boot/bzImage /out/kernel && \
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cp System.map /out && \
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cp vmlinux /out
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# Modules & Headers (userspace API)
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RUN cd /linux && \
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make INSTALL_MOD_PATH=/tmp/kernel-modules modules_install && \
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( DVER=$(basename $(find /tmp/kernel-modules/lib/modules/ -mindepth 1 -maxdepth 1)) && \
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cd /tmp/kernel-modules/lib/modules/$DVER && \
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rm build source && \
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ln -s /usr/src/linux-headers-$DVER build ) && \
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( cd /tmp/kernel-modules && tar cf /out/kernel.tar lib ) && \
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mkdir -p /tmp/kernel-headers/usr && \
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make INSTALL_HDR_PATH=/tmp/kernel-headers/usr headers_install && \
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( cd /tmp/kernel-headers && tar cf /out/kernel-headers.tar usr )
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# Headers (kernel development)
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RUN DVER=$(basename $(find /tmp/kernel-modules/lib/modules/ -mindepth 1 -maxdepth 1)) && \
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dir=/tmp/usr/src/linux-headers-$DVER && \
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mkdir -p $dir && \
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cp /linux/.config $dir && \
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cp /linux/Module.symvers $dir && \
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find . -path './include/*' -prune -o \
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-path './arch/*/include' -prune -o \
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-path './scripts/*' -prune -o \
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-type f \( -name 'Makefile*' -o -name 'Kconfig*' -o -name 'Kbuild*' -o \
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-name '*.lds' -o -name '*.pl' -o -name '*.sh' \) | \
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tar cf - -T - | (cd $dir; tar xf -) && \
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( cd /tmp && tar cf /out/kernel-dev.tar usr/src )
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RUN printf "KERNEL_SOURCE=${OKERNEL_SOURCE}\n" > /kernel-source-info
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# Build kernel module from linux-okernel-components
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RUN if [ -n $HTTP_PROXY ]; then \
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curl -fsSL -x ${HTTP_PROXY} -o okernel-userspace.tar.gz ${USPACE_SOURCE}; \
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else \
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curl -fsSL -o okernel-userspace.tar.gz ${USPACE_SOURCE}; \
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fi
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RUN cat okernel-userspace.tar.gz | tar --absolute-names -xz && mv /linux-okernel-components-master /ok_components
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WORKDIR /ok_components/test_mappings/kvmod
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RUN sed -i 's_~/linux-okernel_/linux_' Makefile && \
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make && \
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cp kernel_vuln.ko /out/
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FROM scratch
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ENTRYPOINT []
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CMD []
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WORKDIR /
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COPY --from=kernel-build /out/* /
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