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author | Scott Ullrich <sullrich@pfsense.org> | 2008-10-28 19:52:26 +0000 |
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committer | Scott Ullrich <sullrich@pfsense.org> | 2008-10-28 19:52:26 +0000 |
commit | bc8472b77ae3acaf52fcd37e86959cad4676425d (patch) | |
tree | e481ceffcb891145a3b315170abc4ae6ccc4f42c /usr | |
parent | 22c8741cccc56befaa3919180c3e8c4dcd72f22b (diff) | |
download | pfsense-bc8472b77ae3acaf52fcd37e86959cad4676425d.zip pfsense-bc8472b77ae3acaf52fcd37e86959cad4676425d.tar.gz |
Adding custom grub-install
Diffstat (limited to 'usr')
-rwxr-xr-x | usr/local/sbin/grub-install1 | 484 |
1 files changed, 484 insertions, 0 deletions
diff --git a/usr/local/sbin/grub-install1 b/usr/local/sbin/grub-install1 new file mode 100755 index 0000000..808a778 --- /dev/null +++ b/usr/local/sbin/grub-install1 @@ -0,0 +1,484 @@ +#! /bin/sh + +# Install GRUB on your drive. +# Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. +# +# This file 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + +# Initialize some variables. +prefix=/usr/local +exec_prefix=${prefix} +sbindir=${exec_prefix}/sbin +libdir=/usr/local/share +PACKAGE=grub +VERSION=0.97 +host_cpu=i386 +host_os=freebsd7.0 +host_vendor=freebsd +pkglibdir=${libdir}/${PACKAGE}/${host_cpu}-${host_vendor} + +grub_shell=${sbindir}/grub +grub_set_default=${sbindir}/grub-set-default +log_file=/tmp/grub-install.log.$$ +img_file=/tmp/grub-install.img.$$ +rootdir= +grub_prefix=/boot/grub + +install_device= +no_floppy= +force_lba= +recheck=no +debug=no + +# look for secure tempfile creation wrappers on this platform +if test -x /bin/tempfile; then + mklog="/bin/tempfile --prefix=grub" + mkimg="/bin/tempfile --prefix=grub" +elif test -x /bin/mktemp; then + mklog="/bin/mktemp /tmp/grub-install.log.XXXXXX" + mkimg="/bin/mktemp /tmp/grub-install.img.XXXXXX" +else + mklog="" + mkimg="" +fi + +# Usage: usage +# Print the usage. +usage () { + cat <<EOF +Usage: grub-install [OPTION] install_device +Install GRUB on your drive. + + -h, --help print this message and exit + -v, --version print the version information and exit + --root-directory=DIR install GRUB images under the directory DIR + instead of the root directory + --grub-shell=FILE use FILE as the grub shell + --no-floppy do not probe any floppy drive + --force-lba force GRUB to use LBA mode even for a buggy + BIOS + --recheck probe a device map even if it already exists + +INSTALL_DEVICE can be a GRUB device name or a system device filename. + +grub-install copies GRUB images into the DIR/boot directory specfied by +--root-directory, and uses the grub shell to install grub into the boot +sector. + +Report bugs to <bug-grub@gnu.org>. +EOF +} + +# Usage: convert os_device +# Convert an OS device to the corresponding GRUB drive. +# This part is OS-specific. +convert () { + # First, check if the device file exists. + if test -e "$1"; then + : + else + echo "$1: Not found or not a block device." 1>&2 + exit 1 + fi + + # Break the device name into the disk part and the partition part. + case "$host_os" in + linux*) + tmp_disk=`echo "$1" | sed -e 's%\([sh]d[a-z]\)[0-9]*$%\1%' \ + -e 's%\(d[0-9]*\)p[0-9]*$%\1%' \ + -e 's%\(fd[0-9]*\)$%\1%' \ + -e 's%/part[0-9]*$%/disc%' \ + -e 's%\(c[0-7]d[0-9]*\).*$%\1%'` + tmp_part=`echo "$1" | sed -e 's%.*/[sh]d[a-z]\([0-9]*\)$%\1%' \ + -e 's%.*d[0-9]*p%%' \ + -e 's%.*/fd[0-9]*$%%' \ + -e 's%.*/floppy/[0-9]*$%%' \ + -e 's%.*/\(disc\|part\([0-9]*\)\)$%\2%' \ + -e 's%.*c[0-7]d[0-9]*p%%'` + ;; + gnu*) + tmp_disk=`echo "$1" | sed 's%\([sh]d[0-9]*\).*%\1%'` + tmp_part=`echo "$1" | sed "s%$tmp_disk%%"` ;; + freebsd[234]* | kfreebsd*-gnu) + tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([saw]d[0-9]*\).*$%r\1%' \ + | sed 's%r\{0,1\}\(da[0-9]*\).*$%r\1%'` + tmp_part=`echo "$1" \ + | sed "s%.*/r\{0,1\}[saw]d[0-9]\(s[0-9]*[a-h]\)%\1%" \ + | sed "s%.*/r\{0,1\}da[0-9]\(s[0-9]*[a-h]\)%\1%"` + ;; + freebsd[567]*) + tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([saw]d[0-9]*\).*$%\1%' \ + | sed 's%r\{0,1\}\(da[0-9]*\).*$%\1%'` + tmp_part=`echo "$1" \ + | sed "s%.*/r\{0,1\}[saw]d[0-9]\(s[0-9]*[a-h]\)%\1%" \ + | sed "s%.*/r\{0,1\}da[0-9]\(s[0-9]*[a-h]\)%\1%"` + ;; + netbsd* | knetbsd*-gnu) + tmp_disk=`echo "$1" | sed 's%r\{0,1\}\([sw]d[0-9]*\).*$%r\1d%' \ + | sed 's%r\{0,1\}\(fd[0-9]*\).*$%r\1a%'` + tmp_part=`echo "$1" \ + | sed "s%.*/r\{0,1\}[sw]d[0-9]\([abe-p]\)%\1%"` + ;; + *) + echo "grub-install does not support your OS yet." 1>&2 + exit 1 ;; + esac + + # Get the drive name. + tmp_drive=`grep -v '^#' $device_map | grep "$tmp_disk *$" \ + | sed 's%.*\(([hf]d[0-9][a-g0-9,]*)\).*%\1%'` + + # If not found, print an error message and exit. + if test "x$tmp_drive" = x; then + echo "$1 does not have any corresponding BIOS drive." 1>&2 + exit 1 + fi + + if test "x$tmp_part" != x; then + # If a partition is specified, we need to translate it into the + # GRUB's syntax. + case "$host_os" in + linux*) + echo "$tmp_drive" | sed "s%)$%,`expr $tmp_part - 1`)%" ;; + gnu*) + if echo $tmp_part | grep "^s" >/dev/null; then + tmp_pc_slice=`echo $tmp_part \ + | sed "s%s\([0-9]*\)[a-g]*$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"` + fi + if echo $tmp_part | grep "[a-g]$" >/dev/null; then + tmp_bsd_partition=`echo "$tmp_part" \ + | sed "s%[^a-g]*\([a-g]\)$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,$tmp_bsd_partition)%"` + fi + echo "$tmp_drive" ;; + freebsd* | kfreebsd*-gnu) + if echo $tmp_part | grep "^s" >/dev/null; then + tmp_pc_slice=`echo $tmp_part \ + | sed "s%s\([0-9]*\)[a-h]*$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,\`expr "$tmp_pc_slice" - 1\`)%"` + fi + if echo $tmp_part | grep "[a-h]$" >/dev/null; then + tmp_bsd_partition=`echo "$tmp_part" \ + | sed "s%s\{0,1\}[0-9]*\([a-h]\)$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,$tmp_bsd_partition)%"` + fi + echo "$tmp_drive" ;; + netbsd* | knetbsd*-gnu) + if echo $tmp_part | grep "^[abe-p]$" >/dev/null; then + tmp_bsd_partition=`echo "$tmp_part" \ + | sed "s%\([a-p]\)$%\1%"` + tmp_drive=`echo "$tmp_drive" \ + | sed "s%)%,$tmp_bsd_partition)%"` + fi + echo "$tmp_drive" ;; + esac + else + # If no partition is specified, just print the drive name. + echo "$tmp_drive" + fi +} + +# Usage: resolve_symlink file +# Find the real file/device that file points at +resolve_symlink () { + tmp_fname=$1 + # Resolve symlinks + while test -L $tmp_fname; do + tmp_new_fname=`ls -al $tmp_fname | sed -n 's%.*-> \(.*\)%\1%p'` + if test -z "$tmp_new_fname"; then + echo "Unrecognized ls output" 2>&1 + exit 1 + fi + + # Convert relative symlinks + case $tmp_new_fname in + /*) tmp_fname="$tmp_new_fname" + ;; + *) tmp_fname="`echo $tmp_fname | sed 's%/[^/]*$%%'`/$tmp_new_fname" + ;; + esac + done + echo "$tmp_fname" +} + +# Usage: find_device file +# Find block device on which the file resides. +find_device () { + # For now, this uses the program `df' to get the device name, but is + # this really portable? + tmp_fname=`df $1/ | sed -n 's%.*\(/dev/[^ ]*\).*%\1%p'` + + if test -z "$tmp_fname"; then + echo "Could not find device for $1" 2>&1 + exit 1 + fi + + tmp_fname=`resolve_symlink $tmp_fname` + + echo "$tmp_fname" +} + +# Check the arguments. +for option in "$@"; do + case "$option" in + -h | --help) + usage + exit 0 ;; + -v | --version) + echo "grub-install (GNU GRUB ${VERSION})" + exit 0 ;; + --root-directory=*) + rootdir=`echo "$option" | sed 's/--root-directory=//'` ;; + --grub-shell=*) + grub_shell=`echo "$option" | sed 's/--grub-shell=//'` ;; + --no-floppy) + no_floppy="--no-floppy" ;; + --force-lba) + force_lba="--force-lba" ;; + --recheck) + recheck=yes ;; + # This is an undocumented feature... + --debug) + debug=yes ;; + -*) + echo "Unrecognized option \`$option'" 1>&2 + usage + exit 1 + ;; + *) + if test "x$install_device" != x; then + echo "More than one install_devices?" 1>&2 + usage + exit 1 + fi + install_device="${option}" ;; + esac +done + +if test "x$install_device" = x; then + echo "install_device not specified." 1>&2 + usage + exit 1 +fi + +# If the debugging feature is enabled, print commands. +if test $debug = yes; then + set -x +fi + +# Initialize these directories here, since ROOTDIR was initialized. +case "$host_os" in +netbsd* | openbsd*) + # Because /boot is used for the boot block in NetBSD and OpenBSD, use /grub + # instead of /boot/grub. + grub_prefix=/grub + bootdir=${rootdir} + ;; +*) + # Use /boot/grub by default. + bootdir=${rootdir}/boot + ;; +esac + +grubdir=${bootdir}/grub +device_map=${grubdir}/device.map + +# Check if GRUB is installed. +# This is necessary, because the user can specify "grub --read-only". +set $grub_shell dummy +if test -f "$1"; then + : +else + echo "$1: Not found." 1>&2 + exit 1 +fi + +if test -f "$pkglibdir/stage1"; then + : +else + echo "${pkglibdir}/stage1: Not found." 1>&2 + exit 1 +fi + +if test -f "$pkglibdir/stage2"; then + : +else + echo "${pkglibdir}/stage2: Not found." 1>&2 + exit 1 +fi + +# Don't check for *stage1_5, because it is not fatal even if any +# Stage 1.5 does not exist. + +# Create the GRUB directory if it is not present. +test -d "$bootdir" || mkdir "$bootdir" || exit 1 +test -d "$grubdir" || mkdir "$grubdir" || exit 1 + +# If --recheck is specified, remove the device map, if present. +if test $recheck = yes; then + rm -f $device_map +fi + +# Create the device map file if it is not present. +if test -f "$device_map"; then + : +else + # Create a safe temporary file. + test -n "$mklog" && log_file=`$mklog` + + $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file +quit +EOF + if grep "Error [0-9]*: " $log_file >/dev/null; then + cat $log_file 1>&2 + exit 1 + fi + + rm -f $log_file +fi + +# Make sure that there is no duplicated entry. +tmp=`sed -n '/^([fh]d[0-9]*)/s/\(^(.*)\).*/\1/p' $device_map \ + | sort | uniq -d | sed -n 1p` +if test -n "$tmp"; then + echo "The drive $tmp is defined multiple times in the device map $device_map" 1>&2 + exit 1 +fi + +# Check for INSTALL_DEVICE. +case "$install_device" in +/dev/*) + install_device=`resolve_symlink "$install_device"` + install_drive=`convert "$install_device"` + # I don't know why, but some shells wouldn't die if exit is + # called in a function. + if test "x$install_drive" = x; then + exit 1 + fi ;; +\([hf]d[0-9]*\)) + install_drive="$install_device" ;; +[hf]d[0-9]*) + # The GRUB format with no parenthesis. + install_drive="($install_device)" ;; +*) + echo "Format of install_device not recognized." 1>&2 + usage + exit 1 ;; +esac + +# Get the root drive. +root_device=`find_device ${rootdir}` +bootdir_device=`find_device ${bootdir}` + +# Check if the boot directory is in the same device as the root directory. +if test "x$root_device" != "x$bootdir_device"; then + # Perhaps the user has a separate boot partition. + root_device=$bootdir_device + grub_prefix="/grub" +fi + +# Convert the root device to a GRUB drive. +root_drive=`convert "$root_device"` +if test "x$root_drive" = x; then + exit 1 +fi + +# Check if the root directory exists in the same device as the grub +# directory. +grubdir_device=`find_device ${grubdir}` + +if test "x$grubdir_device" != "x$root_device"; then + # For now, cannot deal with this situation. + cat <<EOF 1>&2 +You must set the root directory by the option --root-directory, because +$grubdir does not exist in the root device $root_device. +EOF + exit 1 +fi + +# Copy the GRUB images to the GRUB directory. +for file in ${grubdir}/stage1 ${grubdir}/stage2 ${grubdir}/*stage1_5; do + rm -f $file || exit 1 +done +for file in \ + ${pkglibdir}/stage1 ${pkglibdir}/stage2 ${pkglibdir}/*stage1_5; do + cp -f $file ${grubdir} || exit 1 +done + +# Make a default file. +${grub_set_default} --root-directory=${rootdir} default + +# Make sure that GRUB reads the same images as the host OS. +test -n "$mkimg" && img_file=`$mkimg` +test -n "$mklog" && log_file=`$mklog` + +for file in ${grubdir}/stage1 ${grubdir}/stage2 ${grubdir}/*stage1_5; do + count=5 + tmp=`echo $file | sed "s|^${grubdir}|${grub_prefix}|"` + while test $count -gt 0; do + $grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file +dump ${root_drive}${tmp} ${img_file} +quit +EOF + if grep "Error [0-9]*: " $log_file >/dev/null; then + : + elif cmp $file $img_file >/dev/null; then + break + fi + sleep 1 + count=`expr $count - 1` + done + if test $count -eq 0; then + echo "The file $file not read correctly." 1>&2 + echo + fi +done + +rm -f $img_file +rm -f $log_file + +# Create a safe temporary file. +test -n "$mklog" && log_file=`$mklog` + +# Now perform the installation. +$grub_shell --batch $no_floppy --device-map=$device_map <<EOF >$log_file +root $root_drive +setup $force_lba --stage2=$grubdir/stage2 --prefix=$grub_prefix $install_drive +quit +EOF + +if grep "Error [0-9]*: " $log_file >/dev/null || test $debug = yes; then + cat $log_file 1>&2 + exit 1 +fi + +rm -f $log_file + +# Prompt the user to check if the device map is correct. +echo "Installation finished. No error reported." +echo "This is the contents of the device map $device_map." +echo "Check if this is correct or not. If any of the lines is incorrect," +echo "fix it and re-run the script \`grub-install'." +echo + +cat $device_map + +# Bye. +exit 0 |