diff options
Diffstat (limited to 'core/syslinux/syslinux-install_update')
| -rw-r--r-- | core/syslinux/syslinux-install_update | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/core/syslinux/syslinux-install_update b/core/syslinux/syslinux-install_update deleted file mode 100644 index cd1baa572..000000000 --- a/core/syslinux/syslinux-install_update +++ /dev/null @@ -1,463 +0,0 @@ -#!/bin/bash -# -# Sylinux Installer / Updater Scripts -# Copyright (C) 2011 Matthew Gyurgyik <pyther@pyther.net> -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License -# as published by the Free Software Foundation; either version 2 -# of the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. -# -#----------------- -# Exit Codes: -# 1 - get_boot_device or other function failed -# 2 - install/update failed -# 3 - set_active failed -# 4 - install_mbr failed -# -shopt -s nullglob - -libpath="/usr/lib/syslinux" -bootpath="/boot/syslinux" -extlinux="/usr/sbin/extlinux" - -autoupdate_file=/boot/syslinux/SYSLINUX_AUTOUPDATE -com32_files=(menu.c32 vesamenu.c32 chain.c32 hdt.c32 reboot.c32 poweroff.com) -pciids_file=/usr/share/hwdata/pci.ids - -## Helper functions ## -# Taken from libui-sh -# $1 needle -# $2 set (array) haystack -check_is_in() { - local needle="$1" element - shift - for element; do - [[ $element = $needle ]] && return 0 - done - return 1 -} - -# return true when blockdevice is an md raid, otherwise return a unset value -# get all devices that are part of raid device $1 -device_is_raid() { - [[ $1 && -f /proc/mdstat ]] || return 1 - local devmajor=$(stat -c %t "$1") - (( devmajor == 9 )) -} - -mdraid_all_slaves() { - local slave slaves - for slave in /sys/class/block/${1##*/}/slaves/*; do - source "$slave/uevent" - slaves="$slaves/dev/$DEVNAME " - unset DEVNAME - done - echo $slaves -} - -# Check /sys/block to see if device is partitioned -# If we have a partitioned block device (sda1) /sys/block/sda1/dev will not exist -# However, if we have an unpartitioned block device (sda) /sys/block/sda/dev will exist -dev_is_part() { - # $1 - blockdevice - local dev=$1 - - # If block device uevent file should be found - # If a partition is passed in path shouldn't exist - if [[ $dev = *cciss* ]]; then - [[ -f /sys/block/cciss\!${dev##*/}/dev ]] && return 1 - elif [[ $dev = *ida* ]]; then - [[ -f /sys/block/ida\!${dev##*/}/dev ]] && return 1 - else - [[ -f /sys/block/${dev##*/}/dev ]] && return 1 - fi - - return 0 -} - -# If EFI PART is present in the first 8 bytes then it must be a GPT disk -device_is_gpt() { - local partsig=$(dd if="$1" skip=64 bs=8 count=1 2>/dev/null) - [[ $partsig = "EFI PART" ]] -} - -clear_gpt_attr2() { - # $1 - Block Device, no partitions - local disk=$1 - - # Special Exception for cciss controllers - if [[ $disk = *cciss* ]]; then - for part in /dev/cciss/${disk##*/}*p*; do - local partnum="${part##*[[:alpha:]]}" - sgdisk "$disk" --attributes="$partnum":clear:2 &>/dev/null - done - # Smart 2 Controllers - elif [[ $disk = *ida* ]]; then - for part in /dev/ida/${disk##*/}*p*; do - local partnum="${part##*[[:alpha:]]}" - sgdisk "$disk" --attributes="$partnum":clear:2 &>/dev/null - done - else - for part in /sys/block/${disk##*/}/${disk##*/}*; do - local partnum="${part##*[[:alpha:]]}" - sgdisk "$disk" --attributes="$partnum":clear:2 &>/dev/null - done - fi - return 0 -} - -usage() { -cat << EOF -usage: $0 options - -This script will install or upgrade Syslinux - -OPTIONS: - -h Show this message - -i Install Syslinux - -u Update Syslinux - -a Set Boot flag on boot partiton - -m Install Syslinux MBR - -s Updates Syslinux if /boot/syslinux/SYSLINUX_AUTOUPDATE exists - - Arguments Required: - -c Chroot install (ex: -c /mnt) - -Example Usage: syslinux-install_update.sh -i -a -m (install, set boot flag, install mbr) - syslinux-install_update.sh -u (update) -EOF -} - -# Trys to find the partition that /boot resides on -# This will either be on /boot or / (root) -getBoot() { - if [[ ! -d "$bootpath" ]]; then - echo "Could not find $bootpath" - echo "Is boot mounted? Is Syslinux installed?" - exit 1 - fi - - syslinux_fs=(ext2 ext3 ext4 btrfs vfat) - - # Use DATA from findmnt see rc.sysint for more info - if [[ -f /proc/self/mountinfo ]]; then - read rootdev rootfs < <(findmnt -run -t noautofs -o SOURCE,FSTYPE "$CHROOT/") - read bootdev bootfs < <(findmnt -run -t noautofs -o SOURCE,FSTYPE "$CHROOT/boot") - else - echo "Could not find /proc/self/mountinfo" - echo "Are you running a kernel greater than 2.6.24?" - exit 1 - fi - - if [[ $bootfs ]]; then - if ! check_is_in "$bootfs" "${syslinux_fs[@]}"; then - echo "/boot file system is not supported by Syslinux" - exit 1 - fi - boot="boot" - bootpart="$bootdev" - elif [[ $rootfs ]]; then - if ! check_is_in "$rootfs" "${syslinux_fs[@]}"; then - echo "/ (root) file system is not supported by Syslinux" - exit 1 - fi - boot="root" - bootpart="$rootdev" - else - echo "Could not find filesystem on / (root) or /boot." - exit 1 - fi -} - -# We store the partition table type either gpt or mbr in var ptb -# In rare cases a user could have one raid disk using mbr and another using gpt -# In such cases we accept that the output may be incomplete - -# Calls get_ptb() for $bootpart or for all device in RAID -declare -A bootdevs -get_boot_devices() { - if device_is_raid "$bootpart"; then - slaves=$(mdraid_all_slaves "$bootpart") - - for slave in ${slaves[@]}; do - local disk="${slave%%[[:digit:]]*}" - device_is_gpt "$disk" && local ptb="GPT" || local ptb="MBR" - bootdevs[$slave]="$ptb" - done - else - local disk="${bootpart%%[[:digit:]]*}" - device_is_gpt "$disk" && local ptb="GPT" || local ptb="MBR" - bootdevs[$bootpart]="$ptb" - fi -} - -# Function Assumes the boot partition should be marked as active -# All other partitions should not have the boot flag set -set_active() { - # If any bootdev is a block device without partitions bail - # we want to set the boot flag on partitioned disk - for dev in "${!bootdevs[@]}"; do - dev_is_part $dev || { echo "$dev - is a block device. Aborting set_active!"; return 1; } - done - - # Clear BIOS Bootable Legacy Attribute for GPT drives - # In rare cases where a RAID device has slaves on the same block device - # Attribute 2 will be cleared for each partition multiple times - for dev in "${!bootdevs[@]}"; do - local ptb="${bootdevs[$dev]}" - if [[ "$ptb" = GPT ]]; then - local disk="${dev%%[[:digit:]]*}" #ex: /dev/sda - clear_gpt_attr2 "$disk" - fi - done - - # Set the boot flag on bootdevs (generated from get_boot_devices) - for part in "${!bootdevs[@]}"; do - local ptb="${bootdevs[$part]}" - local partnum="${part##*[[:alpha:]]}" - case "$part" in - *[[:digit:]]p[[:digit:]]*) - local disk="${part%%p$partnum}" # get everything before p1 - ;; - *) - local disk="${part%%[[:digit:]]*}" - ;; - esac - - if [[ "$ptb" = MBR ]]; then - if sfdisk "$disk" -A "$partnum" &>/dev/null; then - echo "Boot Flag Set - $part" - else - echo "FAILED to Set the boot flag on $part" - exit 3 - fi - elif [[ "$ptb" = GPT ]]; then - if sgdisk "$disk" --attributes="$partnum":set:2 &>/dev/null; then - echo "Attribute Legacy Bios Bootable Set - $part" - else - echo "FAILED to set attribute Legacy BIOS Bootable on $part" - exit 3 - fi - fi - done - return 0 -} - -install_mbr() { - # If any bootdev is a block device without partitions bail - # we want to install the mbr to a partitioned disk - for dev in "${!bootdevs[@]}"; do - dev_is_part "$dev" || { echo "$dev - is a block device. Aborting MBR install"; return 1; } - done - - for part in "${!bootdevs[@]}"; do - local partnum="${part##*[[:alpha:]]}" - case "$part" in - *[[:digit:]]p[[:digit:]]*) - local disk="${part%%p$partnum}" # get everything before p1 - ;; - *) - local disk="${part%%[[:digit:]]*}" - ;; - esac - local ptb="${bootdevs[$part]}" - - # We want to install to the root of the block device - # If the device is a partition - ABORT! - dev_is_part "$disk" && \ - { echo "ABORT! MBR installation to partition ($disk)!"; exit 4;} - - if [[ "$ptb" = MBR ]]; then - mbrfile="$libpath/mbr.bin" - elif [[ "$ptb" = GPT ]]; then - mbrfile="$libpath/gptmbr.bin" - fi - - if dd bs=440 count=1 conv=notrunc if="$mbrfile" of="$disk" &> /dev/null; then - echo "Installed MBR ($mbrfile) to $disk" - else - echo "Error Installing MBR ($mbrfile) to $disk" - exit 4 - fi - done - return 0 -} - -_install() { - # Copy files to /boot - for file in "${com32_files[@]}"; do - # Symlink files even if links exist - if [[ "$boot" = root ]]; then - ln -s "${libpath#$CHROOT}/$file" "$bootpath/$file" &> /dev/null - elif [[ "$boot" = boot ]]; then - cp "$libpath/$file" "$bootpath/$file" - fi - done - - # Copy / Symlink pci.ids if we copy the com32 module and if pci.ids exists in the FS - if check_is_in "hdt.c32" "${com32_files[@]}" && [[ -f $pciids_file ]]; then - if [[ "$boot" = root ]]; then - ln -s "$pciids_file" "$bootpath/pci.ids" &> /dev/null - elif [[ "$boot" = boot ]]; then - cp "$pciids_file" "$bootpath/pci.ids" &> /dev/null - fi - fi - - if device_is_raid "$bootpart"; then - echo "Detected RAID on /boot - installing Syslinux with --raid" - "$extlinux" --install "$bootpath" -r > /dev/null 2>&1 - else - "$extlinux" --install "$bootpath" > /dev/null 2>&1 - fi - - if (( $? )); then - echo "Syslinux install failed" - exit 2 - else - echo "Syslinux install successful" - fi - - touch "$CHROOT/$autoupdate_file" -} - -update() { - # Update any com and c32 files in /boot - if [[ "$boot" = boot ]]; then - for file in "$bootpath"/*.{c32,com}; do - file=$(basename "$file") - cp "$libpath/$file" "$bootpath/$file" &> /dev/null - done - if [[ -f "$bootpath/pci.ids" ]]; then - cp "$pciids_file" "$bootpath/pci.ids" &> /dev/null - fi - fi - - if device_is_raid $bootpart; then - echo "Detected RAID on /boot - installing Syslinux with --raid" - "$extlinux" --update "$bootpath" -r &> /dev/null - else - "$extlinux" --update "$bootpath" &> /dev/null - fi - - if (($?)); then - echo "Syslinux update failed" - exit 2 - else - echo "Syslinux update successful" - fi -} - -if (( $# == 0 )); then - usage - exit 1 -fi - -while getopts "c:uihmas" opt; do - case $opt in - c) - CHROOT=$(readlink -e "$OPTARG") - if [[ -z $CHROOT ]]; then - echo "error: chroot path ``$OPTARG does not exist"; - exit 1 - fi - ;; - h) - USAGE="True" - ;; - i) - INSTALL="True" - ;; - u) - UPDATE="True" - ;; - m) - MBR="True" - ;; - a) - SET_ACTIVE="True" - ;; - s) - # If AUTOUPDATE_FILE does not exist exit the script - if [[ -f $autoupdate_file ]]; then - UPDATE="True" - else - exit 0 - fi - ;; - *) - usage - exit 1 - ;; - esac -done - -if [[ $USAGE ]]; then - usage - exit 0 -fi - -# Make sure only root can run our script -if (( $(id -u) != 0 )); then - echo "This script must be run as root" 1>&2 - exit 1 -fi - -# Display Usage Information if both Install and Update are passed -if [[ $INSTALL && $UPDATE ]]; then - usage - exit 1 -fi - -# If a chroot dir is path set variables to reflect chroot -if [[ "$CHROOT" ]]; then - libpath="$CHROOT$libpath" - bootpath="$CHROOT$bootpath" - extlinux="$CHROOT$extlinux" -fi - -# Exit if no /boot path exists -if ( f=("$bootpath"/*); (( ! ${#f[@]} )) ); then - echo "Error: $bootpath is empty!" - echo "Is /boot mounted?" - exit 1 -fi - -# Get the boot device if any of these options are passed -if [[ $INSTALL || $UPDATE || $SET_ACTIVE || $MBR ]]; then - getBoot -fi - -# Install or Update -if [[ $INSTALL ]]; then - _install || exit -elif [[ $UPDATE ]]; then - update || exit -fi - - -# SET_ACTIVE and MBR -if [[ $SET_ACTIVE ]] || [[ $MBR ]]; then - get_boot_devices - - if [[ $SET_ACTIVE ]]; then - set_active || exit - fi - - if [[ $MBR ]]; then - install_mbr || exit - fi -fi - -exit 0 - -# vim: set et sw=4: |