2014-10-08 00:11:53 +02:00
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#!/bin/bash
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; version 2 of the License.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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2014-10-08 00:18:23 +02:00
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ignore_error() {
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"$@" 2>/dev/null
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return 0
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}
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2015-07-01 18:35:13 +02:00
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parse_fstab(){
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# perl -ane 'printf("Device: %s\nMountpoint: %s\n", @F[0,1]) if $F[0] =~ m#^/dev#;' $1
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mounts=$(perl -ane 'printf("%s:%s\n", @F[0,1]) if $F[0] =~ m#^UUID=#;' $1)
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# perl -ane 'printf("Device: %s\nMountpoint: %s\n", @F[0,1]) if $F[0] =~ m#^LABEL=#;' $1
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}
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get_os(){
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local detected=( "$(os-prober | tr ' ' '_' | paste -s -d ' ')" )
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echo ${detected[@]}
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}
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chroot_mount_partitions(){
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for os in $(get_os);do
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if [[ "${os##*:}" == 'linux' ]];then
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2015-07-02 08:52:23 +02:00
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msg "mount ${os##*:} ${os%%:*}"
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2015-07-01 18:35:13 +02:00
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mount ${os%%:*} $1
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parse_fstab "$1/etc/fstab"
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#umount $1
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fi
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done
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for entry in ${mounts[@]};do
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entry=${entry//UUID=}
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local dev=${entry%:*}
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2015-07-02 08:52:23 +02:00
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local mp=$1${entry#*:}
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case "${entry#*:}" in
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/|/home|swap) continue ;;
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*)
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msg2 "mount /dev/disk/by-uuid/${dev} ${mp}"
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mount /dev/disk/by-uuid/${dev} ${mp}
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;;
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esac
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2015-07-01 18:35:13 +02:00
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done
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}
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2015-01-13 04:42:24 +01:00
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chroot_mount() {
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2014-10-08 00:11:53 +02:00
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mount "$@" && CHROOT_ACTIVE_MOUNTS=("$2" "${CHROOT_ACTIVE_MOUNTS[@]}")
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}
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2015-01-13 04:42:24 +01:00
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chroot_mount_conditional() {
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2015-02-13 15:17:00 +01:00
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local cond=$1; shift
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if eval "$cond"; then
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chroot_mount "$@"
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fi
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2014-10-08 00:11:53 +02:00
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}
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2015-01-13 04:42:24 +01:00
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chroot_api_mount() {
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CHROOT_ACTIVE_MOUNTS=()
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[[ $(trap -p EXIT) ]] && die 'Error! Attempting to overwrite existing EXIT trap'
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trap 'chroot_api_umount' EXIT
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chroot_mount_conditional "! mountpoint -q '$1'" "$1" "$1" --bind &&
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chroot_mount proc "$1/proc" -t proc -o nosuid,noexec,nodev &&
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chroot_mount sys "$1/sys" -t sysfs -o nosuid,noexec,nodev,ro &&
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# ignore_error chroot_mount_conditional "[[ -d '$1/sys/firmware/efi/efivars' ]]" \
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2015-01-11 22:31:47 +01:00
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# efivarfs "$1/sys/firmware/efi/efivars" -t efivarfs -o nosuid,noexec,nodev &&
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2015-01-13 04:42:24 +01:00
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chroot_mount udev "$1/dev" -t devtmpfs -o mode=0755,nosuid &&
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chroot_mount devpts "$1/dev/pts" -t devpts -o mode=0620,gid=5,nosuid,noexec &&
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chroot_mount shm "$1/dev/shm" -t tmpfs -o mode=1777,nosuid,nodev &&
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chroot_mount run "$1/run" -t tmpfs -o nosuid,nodev,mode=0755 &&
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chroot_mount tmp "$1/tmp" -t tmpfs -o mode=1777,strictatime,nodev,nosuid
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2014-10-08 00:11:53 +02:00
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}
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2015-01-13 04:42:24 +01:00
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chroot_api_umount() {
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2014-10-08 00:11:53 +02:00
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umount "${CHROOT_ACTIVE_MOUNTS[@]}"
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2015-01-13 04:42:24 +01:00
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unset CHROOT_ACTIVE_MOUNTS
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2014-10-08 00:11:53 +02:00
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}
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