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authorScott Ullrich <sullrich@pfsense.org>2008-10-28 19:52:26 +0000
committerScott Ullrich <sullrich@pfsense.org>2008-10-28 19:52:26 +0000
commitbc8472b77ae3acaf52fcd37e86959cad4676425d (patch)
treee481ceffcb891145a3b315170abc4ae6ccc4f42c /usr
parent22c8741cccc56befaa3919180c3e8c4dcd72f22b (diff)
downloadpfsense-bc8472b77ae3acaf52fcd37e86959cad4676425d.zip
pfsense-bc8472b77ae3acaf52fcd37e86959cad4676425d.tar.gz
Adding custom grub-install
Diffstat (limited to 'usr')
-rwxr-xr-xusr/local/sbin/grub-install1484
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
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