forked from public/airgap
Working EFI/Bios Stagex boot
This commit is contained in:
parent
e886bc51fa
commit
d737fce6ea
141
Containerfile
141
Containerfile
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@ -6,16 +6,38 @@ FROM stagex/cpio AS cpio
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FROM stagex/linux-airgap AS linux
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FROM stagex/mtools AS mtools
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FROM stagex/xz AS xz
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FROM stagex/eudev AS eudev
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FROM stagex/keyfork AS keyfork
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FROM stagex/openpgp-card-tools AS openpgp-card-tools
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FROM stagex/gpg AS gpg
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FROM stagex/bash AS bash
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FROM stagex/grub:local AS grub
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FROM stagex/npth AS npth
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FROM stagex/libksba AS libksba
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FROM stagex/libgpg-error AS libgpg-error
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FROM stagex/libassuan AS libassuan
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FROM stagex/libgcrypt AS libgcrypt
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FROM stagex/jq AS jq
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FROM stagex/bc AS bc
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FROM stagex/git AS git
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FROM stagex/zlib AS zlib
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FROM stagex/tpm2-tools AS tpm2-tools
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FROM stagex/tpm2-tss AS tpm2-tss
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FROM stagex/openssl AS openssl
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FROM stagex/pcsc-lite AS pcsc-lite
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FROM stagex/flashtools AS flashtools
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FROM scratch AS base
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ARG VERSION development
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ARG GIT_TIMESTAMP null
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ARG GIT_AUTHOR null
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ARG GIT_REF null
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ARG GIT_KEY null
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COPY --from=busybox . /
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COPY --from=musl . /
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COPY --from=xorriso . /
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COPY --from=cpio . /
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COPY --from=mtools . /
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COPY --from=linux . /
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COPY --from=syslinux . /
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COPY --from=xz . /
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COPY --from=grub . /
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@ -25,41 +47,55 @@ FROM base AS build
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COPY --from=linux /bzImage iso/boot/vmlinuz
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## Initramfs
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COPY --from=stagex/busybox . initramfs
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COPY --chmod=0755 <<-EOF initramfs/init
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#!/bin/sh
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/bin/sh
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COPY --from=busybox . initramfs
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COPY --from=eudev . initramfs
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COPY --from=musl . initramfs
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COPY --from=zlib . initramfs
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COPY --from=npth . initramfs
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COPY --from=libksba . initramfs
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COPY --from=libgpg-error . initramfs
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COPY --from=libassuan . initramfs
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COPY --from=libgcrypt . initramfs
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COPY --from=keyfork . initramfs
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COPY --from=bash . initramfs
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COPY --from=gpg . initramfs
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COPY --from=jq . initramfs
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COPY --from=bc . initramfs
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COPY --from=git . initramfs
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COPY --from=flashtools . initramfs
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COPY --from=tpm2-tools . initramfs
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COPY --from=tpm2-tss . initramfs
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COPY --from=openssl . initramfs
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COPY --from=pcsc-lite . initramfs
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COPY --from=openpgp-card-tools . initramfs
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COPY rootfs/ initramfs
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COPY <<-EOF initramfs/etc/environment
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export VERSION="$VERSION"
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export GIT_TIMESTAMP="$GIT_TIMESTAMP"
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export GIT_AUTHOR="$GIT_AUTHOR"
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export GIT_REF="$GIT_REF"
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export GIT_KEY="$GIT_KEY"
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EOF
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RUN <<-EOF
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set -eux
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cd initramfs
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find . \
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| cpio -o -H newc \
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| gzip -9 \
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> ../iso/boot/initramfs
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cd initramfs
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find . -print0 \
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| cpio --null --create --verbose --format=newc \
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| gzip --best > ../iso/boot/initramfs
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EOF
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## Grub (EFI Boot)
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COPY <<-EOF iso/boot/grub/grub.cfg
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menuentry "Linux Airgap" {
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linux /boot/vmlinuz
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initrd /boot/initramfs
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}
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EOF
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COPY <<-EOF grub_early.cfg
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search --no-floppy --set=root --label "Airgap"
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set prefix=(\$root)/boot/grub
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EOF
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COPY config/grub.cfg iso/boot/grub/grub.cfg
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COPY config/grub_early.cfg grub_early.cfg
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RUN <<-EOF
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set -eux
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mkdir -p iso/efi/boot
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mkdir -p efi/boot
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grub-mkimage \
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--config="grub_early.cfg" \
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--prefix="/boot/grub" \
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--output="iso/efi/boot/bootx64.efi" \
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--format="x86_64-efi" \
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--config="grub_early.cfg" \
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--prefix="/boot/grub" \
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--output="efi/boot/bootx64.efi" \
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--format="x86_64-efi" \
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--compression="xz" \
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all_video \
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all_video \
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disk \
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part_gpt \
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part_msdos \
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@ -71,44 +107,24 @@ RUN <<-EOF
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efi_gop \
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fat \
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iso9660 \
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cat \
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echo \
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ls \
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test \
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true \
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help \
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gzio
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EOF
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RUN <<-EOF
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gzio \
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serial \
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terminal
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mformat -i iso/boot/grub/efi.img -C -f 1440 -N 0 ::
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mcopy -i iso/boot/grub/efi.img iso/efi
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mcopy -i iso/boot/grub/efi.img -s efi ::
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touch -md "@0" iso/boot/grub/efi.img
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EOF
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## Syslinux (BIOS Boot)
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COPY <<-EOF iso/boot/syslinux/syslinux.cfg
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TIMEOUT 2
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PROMPT -1
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DEFAULT Airgap
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LABEL Airgap
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MENU LABEL Linux Airgap
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KERNEL /boot/vmlinuz
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INITRD /boot/initramfs
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EOF
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RUN <<-EOF
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mkdir -p iso/boot/syslinux
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for file in \
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isohdpfx.bin \
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isolinux.bin \
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ldlinux.c32 \
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libutil.c32 \
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libcom32.c32 \
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mboot.c32; \
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do
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mv /usr/share/syslinux/$file iso/boot/syslinux/$file || return 1
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done
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EOF
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COPY config/syslinux.cfg iso/boot/syslinux/
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COPY --from=syslinux \
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/usr/share/syslinux/isohdpfx.bin \
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/usr/share/syslinux/isolinux.bin \
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/usr/share/syslinux/ldlinux.c32 \
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/usr/share/syslinux/libutil.c32 \
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/usr/share/syslinux/libcom32.c32 \
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/usr/share/syslinux/mboot.c32 \
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iso/boot/syslinux/
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## Build Hybrid EFI/BIOS ISO
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FROM build AS install
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@ -118,6 +134,7 @@ RUN xorrisofs \
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-joliet \
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-rational-rock \
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-sysid LINUX \
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-volid "airgap" \
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-isohybrid-mbr iso/boot/syslinux/isohdpfx.bin \
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-eltorito-boot boot/syslinux/isolinux.bin \
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-eltorito-catalog boot/syslinux/boot.cat \
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@ -132,5 +149,5 @@ RUN xorrisofs \
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iso/
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FROM scratch AS package
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COPY --from=install /iso /iso
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COPY --from=install /initramfs /initramfs
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COPY --from=install /airgap.iso /
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15
Makefile
15
Makefile
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@ -1,3 +1,9 @@
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VERSION := $(shell git tag --points-at HEAD)
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GIT_REF := $(shell git log -1 --format=%H)
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GIT_AUTHOR := $(shell git log -1 --format=%an)
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GIT_KEY := $(shell git log -1 --format=%GP)
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GIT_TIMESTAMP := $(shell git log -1 --format=%cd --date=iso)
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.DEFAULT_GOAL :=
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.PHONY: default
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default: \
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@ -15,7 +21,7 @@ vm-bios: out/airgap.iso
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-cdrom "out/airgap.iso"
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.PHONY: vm-efi
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vm-efi:
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vm-efi: out/airgap.iso
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qemu-system-x86_64 \
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-m 4G \
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-machine pc \
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@ -23,9 +29,14 @@ vm-efi:
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-bios /usr/share/ovmf/OVMF.fd \
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-cdrom "out/airgap.iso"
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out/airgap.iso: Containerfile
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out/airgap.iso: Containerfile $(shell git ls-files rootfs)
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docker build \
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--progress=plain \
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--output type=local,dest=out \
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--build-arg VERSION="$(or $(VERSION),"development")" \
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--build-arg GIT_REF="$(GIT_REF)" \
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--build-arg GIT_AUTHOR="$(GIT_AUTHOR)" \
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--build-arg GIT_KEY="$(GIT_KEY)" \
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--build-arg GIT_TIMESTAMP="$(GIT_TIMESTAMP)" \
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-f Containerfile \
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.
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@ -0,0 +1,5 @@
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set timeout=1
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menuentry "Linux Airgap" {
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linux /boot/vmlinuz init=/init console=ttyS0 console=tty0 ro
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initrd /boot/initramfs
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}
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@ -0,0 +1,2 @@
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search --no-floppy --set=root --label "airgap"
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set prefix=($root)/boot/grub
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@ -0,0 +1,8 @@
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TIMEOUT 2
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PROMPT -1
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DEFAULT Airgap
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LABEL Airgap
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MENU LABEL Linux Airgap
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KERNEL /boot/vmlinuz
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INITRD /boot/initramfs
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APPEND init=/init console=ttyS0 console=tty0 ro
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@ -0,0 +1,55 @@
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#!/bin/sh
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DAEMON="syslogd"
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PIDFILE="/var/run/$DAEMON.pid"
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SYSLOGD_ARGS=""
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# shellcheck source=/dev/null
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[ -r "/etc/default/$DAEMON" ] && . "/etc/default/$DAEMON"
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# BusyBox' syslogd does not create a pidfile, so pass "-n" in the command line
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# and use "-m" to instruct start-stop-daemon to create one.
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start() {
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printf 'Starting %s: ' "$DAEMON"
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# shellcheck disable=SC2086 # we need the word splitting
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start-stop-daemon -b -m -S -q -p "$PIDFILE" -x "/sbin/$DAEMON" \
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-- -n $SYSLOGD_ARGS
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status=$?
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if [ "$status" -eq 0 ]; then
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echo "OK"
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else
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echo "FAIL"
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fi
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return "$status"
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}
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stop() {
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printf 'Stopping %s: ' "$DAEMON"
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start-stop-daemon -K -q -p "$PIDFILE"
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status=$?
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if [ "$status" -eq 0 ]; then
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rm -f "$PIDFILE"
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echo "OK"
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else
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echo "FAIL"
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fi
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return "$status"
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}
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restart() {
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stop
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sleep 1
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start
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}
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case "$1" in
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start|stop|restart)
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"$1";;
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reload)
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# Restart, since there is no true "reload" feature.
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restart;;
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*)
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echo "Usage: $0 {start|stop|restart|reload}"
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exit 1
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esac
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@ -0,0 +1,55 @@
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#!/bin/sh
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DAEMON="klogd"
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PIDFILE="/var/run/$DAEMON.pid"
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KLOGD_ARGS=""
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# shellcheck source=/dev/null
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[ -r "/etc/default/$DAEMON" ] && . "/etc/default/$DAEMON"
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# BusyBox' klogd does not create a pidfile, so pass "-n" in the command line
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# and use "-m" to instruct start-stop-daemon to create one.
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start() {
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printf 'Starting %s: ' "$DAEMON"
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# shellcheck disable=SC2086 # we need the word splitting
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start-stop-daemon -b -m -S -q -p "$PIDFILE" -x "/sbin/$DAEMON" \
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-- -n $KLOGD_ARGS
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status=$?
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if [ "$status" -eq 0 ]; then
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echo "OK"
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else
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echo "FAIL"
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fi
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return "$status"
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}
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stop() {
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printf 'Stopping %s: ' "$DAEMON"
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start-stop-daemon -K -q -p "$PIDFILE"
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status=$?
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if [ "$status" -eq 0 ]; then
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rm -f "$PIDFILE"
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echo "OK"
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else
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echo "FAIL"
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fi
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return "$status"
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}
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restart() {
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stop
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sleep 1
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start
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}
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case "$1" in
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start|stop|restart)
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"$1";;
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reload)
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# Restart, since there is no true "reload" feature.
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restart;;
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*)
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echo "Usage: $0 {start|stop|restart|reload}"
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exit 1
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esac
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@ -0,0 +1,94 @@
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#!/bin/sh
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#
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# This script is used by busybox and procps-ng.
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#
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# With procps-ng, the "--system" option of sysctl also enables "--ignore", so
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# errors are not reported via syslog. Use the run_logger function to mimic the
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# --system behavior, still reporting errors via syslog. Users not interested
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# on error reports can add "-e" to SYSCTL_ARGS.
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#
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# busybox does not have a "--system" option neither reports errors via syslog,
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# so the scripting provides a consistent behavior between the implementations.
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# Testing the busybox sysctl exit code is fruitless, as at the moment, since
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# its exit status is zero even if errors happen. Hopefully this will be fixed
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# in a future busybox version.
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PROGRAM="sysctl"
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SYSCTL_ARGS=""
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# shellcheck source=/dev/null
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[ -r "/etc/default/$PROGRAM" ] && . "/etc/default/$PROGRAM"
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# Files are read from directories in the SYSCTL_SOURCES list, in the given
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# order. A file may be used more than once, since there can be multiple
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# symlinks to it. No attempt is made to prevent this.
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SYSCTL_SOURCES="/etc/sysctl.d/ /usr/local/lib/sysctl.d/ /usr/lib/sysctl.d/ /lib/sysctl.d/ /etc/sysctl.conf"
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# If the logger utility is available all messages are sent to syslog, except
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# for the final status. The file redirections do the following:
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#
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# - stdout is redirected to syslog with facility.level "kern.info"
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# - stderr is redirected to syslog with facility.level "kern.err"
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# - file dscriptor 4 is used to pass the result to the "start" function.
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#
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run_logger() {
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# shellcheck disable=SC2086 # we need the word splitting
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find $SYSCTL_SOURCES -maxdepth 1 -name '*.conf' -print0 2> /dev/null | \
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xargs -0 -r -n 1 readlink -f | {
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prog_status="OK"
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while :; do
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read -r file || {
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echo "$prog_status" >&4
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break
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}
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echo "* Applying $file ..."
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/sbin/sysctl -p "$file" $SYSCTL_ARGS || prog_status="FAIL"
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done 2>&1 >&3 | /usr/bin/logger -t sysctl -p kern.err
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} 3>&1 | /usr/bin/logger -t sysctl -p kern.info
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}
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# If logger is not available all messages are sent to stdout/stderr.
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run_std() {
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# shellcheck disable=SC2086 # we need the word splitting
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find $SYSCTL_SOURCES -maxdepth 1 -name '*.conf' -print0 2> /dev/null | \
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xargs -0 -r -n 1 readlink -f | {
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prog_status="OK"
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while :; do
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read -r file || {
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echo "$prog_status" >&4
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break
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}
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echo "* Applying $file ..."
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/sbin/sysctl -p "$file" $SYSCTL_ARGS || prog_status="FAIL"
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done
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}
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}
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if [ -x /usr/bin/logger ]; then
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run_program="run_logger"
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else
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run_program="run_std"
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fi
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start() {
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printf '%s %s: ' "$1" "$PROGRAM"
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status=$("$run_program" 4>&1)
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echo "$status"
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if [ "$status" = "OK" ]; then
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return 0
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fi
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return 1
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}
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case "$1" in
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start)
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start "Running";;
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restart|reload)
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start "Rerunning";;
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stop)
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:;;
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*)
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echo "Usage: $0 {start|stop|restart|reload}"
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exit 1
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esac
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@ -0,0 +1,29 @@
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#!/bin/sh
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|
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# Check for config file and read it
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UDEV_CONFIG=/etc/udev/udev.conf
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test -r $UDEV_CONFIG || exit 6
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. $UDEV_CONFIG
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|
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case "$1" in
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start)
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printf "Populating %s using udev: " "${udev_root:-/dev}"
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[ -e /proc/sys/kernel/hotplug ] && printf '\000\000\000\000' > /proc/sys/kernel/hotplug
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/sbin/udevd -d || { echo "FAIL"; exit 1; }
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udevadm trigger --type=subsystems --action=add
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udevadm trigger --type=devices --action=add
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udevadm settle --timeout=30 || echo "udevadm settle failed"
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echo "done"
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;;
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||||
stop)
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# Stop execution of events
|
||||
udevadm control --stop-exec-queue
|
||||
killall udevd
|
||||
;;
|
||||
*)
|
||||
echo "Usage: $0 {start|stop}"
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
|
||||
exit 0
|
|
@ -0,0 +1,70 @@
|
|||
#! /bin/sh
|
||||
#
|
||||
# Preserve the random seed between reboots. See urandom(4).
|
||||
#
|
||||
|
||||
# Quietly do nothing if /dev/urandom does not exist
|
||||
[ -c /dev/urandom ] || exit 0
|
||||
|
||||
URANDOM_SEED="/var/lib/random-seed"
|
||||
|
||||
# shellcheck source=/dev/null
|
||||
[ -r "/etc/default/urandom" ] && . "/etc/default/urandom"
|
||||
|
||||
if pool_bits=$(cat /proc/sys/kernel/random/poolsize 2> /dev/null); then
|
||||
pool_size=$((pool_bits/8))
|
||||
else
|
||||
pool_size=512
|
||||
fi
|
||||
|
||||
init_rng() {
|
||||
[ -f "$URANDOM_SEED" ] || return 0
|
||||
printf 'Initializing random number generator: '
|
||||
dd if="$URANDOM_SEED" bs="$pool_size" of=/dev/urandom count=1 2> /dev/null
|
||||
status=$?
|
||||
if [ "$status" -eq 0 ]; then
|
||||
echo "OK"
|
||||
else
|
||||
echo "FAIL"
|
||||
fi
|
||||
return "$status"
|
||||
}
|
||||
|
||||
save_random_seed() {
|
||||
printf 'Saving random seed: '
|
||||
status=1
|
||||
if touch "$URANDOM_SEED.new" 2> /dev/null; then
|
||||
old_umask=$(umask)
|
||||
umask 077
|
||||
dd if=/dev/urandom of="$URANDOM_SEED.tmp" bs="$pool_size" count=1 2> /dev/null
|
||||
cat "$URANDOM_SEED" "$URANDOM_SEED.tmp" 2>/dev/null \
|
||||
| sha256sum \
|
||||
| cut -d ' ' -f 1 > "$URANDOM_SEED.new" && \
|
||||
mv "$URANDOM_SEED.new" "$URANDOM_SEED" && status=0
|
||||
rm -f "$URANDOM_SEED.tmp"
|
||||
umask "$old_umask"
|
||||
if [ "$status" -eq 0 ]; then
|
||||
echo "OK"
|
||||
else
|
||||
echo "FAIL"
|
||||
fi
|
||||
|
||||
else
|
||||
echo "SKIP (read-only file system detected)"
|
||||
fi
|
||||
return "$status"
|
||||
}
|
||||
|
||||
case "$1" in
|
||||
start|restart|reload)
|
||||
# Carry a random seed from start-up to start-up
|
||||
# Load and then save the whole entropy pool
|
||||
init_rng && save_random_seed;;
|
||||
stop)
|
||||
# Carry a random seed from shut-down to start-up
|
||||
# Save the whole entropy pool
|
||||
save_random_seed;;
|
||||
*)
|
||||
echo "Usage: $0 {start|stop|restart|reload}"
|
||||
exit 1
|
||||
esac
|
|
@ -0,0 +1,27 @@
|
|||
#!/bin/sh
|
||||
|
||||
|
||||
# Stop all init scripts in /etc/init.d
|
||||
# executing them in reversed numerical order.
|
||||
#
|
||||
for i in $(ls -r /etc/init.d/S??*) ;do
|
||||
|
||||
# Ignore dangling symlinks (if any).
|
||||
[ ! -f "$i" ] && continue
|
||||
|
||||
case "$i" in
|
||||
*.sh)
|
||||
# Source shell script for speed.
|
||||
(
|
||||
trap - INT QUIT TSTP
|
||||
set stop
|
||||
. $i
|
||||
)
|
||||
;;
|
||||
*)
|
||||
# No sh extension, so fork subprocess.
|
||||
$i stop
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
#!/bin/sh
|
||||
|
||||
|
||||
# Start all init scripts in /etc/init.d
|
||||
# executing them in numerical order.
|
||||
#
|
||||
for i in /etc/init.d/S??* ;do
|
||||
|
||||
# Ignore dangling symlinks (if any).
|
||||
[ ! -f "$i" ] && continue
|
||||
|
||||
case "$i" in
|
||||
*.sh)
|
||||
# Source shell script for speed.
|
||||
(
|
||||
trap - INT QUIT TSTP
|
||||
set start
|
||||
. $i
|
||||
)
|
||||
;;
|
||||
*)
|
||||
# No sh extension, so fork subprocess.
|
||||
$i start
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
|
@ -1,11 +1,5 @@
|
|||
# /etc/inittab
|
||||
#
|
||||
# Copyright (C) 2001 Erik Andersen <andersen@codepoet.org>
|
||||
#
|
||||
# Note: BusyBox init doesn't support runlevels. The runlevels field is
|
||||
# completely ignored by BusyBox init. If you want runlevels, use
|
||||
# sysvinit.
|
||||
#
|
||||
|
||||
# Format for each entry: <id>:<runlevels>:<action>:<process>
|
||||
#
|
||||
# id == tty to run on, or empty for /dev/console
|
||||
|
@ -14,16 +8,15 @@
|
|||
# process == program to run
|
||||
|
||||
# Startup the system
|
||||
::sysinit:/bin/mount -t devtmpfs devtmpfs /dev
|
||||
::sysinit:/bin/mkdir -p /proc /run /dev/pts /dev/shm
|
||||
::sysinit:/bin/mount -t proc proc /proc
|
||||
::sysinit:/bin/mount -o remount,rw /
|
||||
::sysinit:/bin/mkdir -p /dev/pts /dev/shm
|
||||
::sysinit:/bin/mount -a
|
||||
::sysinit:/sbin/swapon -a
|
||||
null::sysinit:/bin/ln -sf /proc/self/fd /dev/fd
|
||||
null::sysinit:/bin/ln -sf /proc/self/fd/0 /dev/stdin
|
||||
null::sysinit:/bin/ln -sf /proc/self/fd/1 /dev/stdout
|
||||
null::sysinit:/bin/ln -sf /proc/self/fd/2 /dev/stderr
|
||||
::sysinit:/bin/hostname -F /etc/hostname
|
||||
# now run any rc scripts
|
||||
::sysinit:/etc/init.d/rcS
|
||||
|
||||
|
@ -36,5 +29,4 @@ null::sysinit:/bin/ln -sf /proc/self/fd/2 /dev/stderr
|
|||
|
||||
# Stuff to do before rebooting
|
||||
::shutdown:/etc/init.d/rcK
|
||||
::shutdown:/sbin/swapoff -a
|
||||
::shutdown:/bin/umount -a -r
|
||||
|
|
|
@ -3,8 +3,7 @@ export PATH="/usr/local/bin:/bin:/sbin:/usr/bin:/usr/sbin"
|
|||
export PS1="[\h \t] \\$ "
|
||||
export GNUPGHOME=/.gnupg
|
||||
source /etc/environment
|
||||
|
||||
dmesg -n1
|
||||
cd /root
|
||||
clear
|
||||
cat << "EOF"
|
||||
_ _ ___ ____
|
||||
|
|
|
@ -0,0 +1,2 @@
|
|||
#!/bin/sh
|
||||
exec /bin/init
|
Loading…
Reference in New Issue