1a9b1c367f
This requires two sets of changes. Firstly, for non-FreeBSD, we do not know where tools are in PATH (and it is likely that some are not in system directories and have been built as bootstrap tools during the build), so we should leave PATH alone and trust the user. Secondly, makefs needs a master.passwd for building images from a METALOG file, so pass the directory in the image tree to makefs's -N option in order to pick up a valid FreeBSD master.passwd; this is unnecessary on FreeBSD (except in the edge case of building an image that refers to users or groups not present in the host's database, which is unlikely but technically possible) but harmless so can be done unconditionally. Reviewed by: brooks, emaste, gjb Differential Revision: https://reviews.freebsd.org/D34001
127 lines
3.4 KiB
Bash
127 lines
3.4 KiB
Bash
#!/bin/sh
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#
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# Module: mkisoimages.sh
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# Author: Jordan K Hubbard
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# Date: 22 June 2001
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#
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# $FreeBSD$
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#
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# This script is used by release/Makefile to build the (optional) ISO images
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# for a FreeBSD release. It is considered architecture dependent since each
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# platform has a slightly unique way of making bootable CDs. This script
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# is also allowed to generate any number of images since that is more of
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# publishing decision than anything else.
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#
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# Usage:
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#
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# mkisoimages.sh [-b] image-label image-name base-bits-dir [extra-bits-dir]
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#
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# Where -b is passed if the ISO image should be made "bootable" by
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# whatever standards this architecture supports (may be unsupported),
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# image-label is the ISO image label, image-name is the filename of the
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# resulting ISO image, base-bits-dir contains the image contents and
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# extra-bits-dir, if provided, contains additional files to be merged
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# into base-bits-dir as part of making the image.
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set -e
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scriptdir=$(dirname $(realpath $0))
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. ${scriptdir}/../../tools/boot/install-boot.sh
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if [ -z $ETDUMP ]; then
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ETDUMP=etdump
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fi
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if [ -z $MAKEFS ]; then
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MAKEFS=makefs
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fi
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if [ -z $MKIMG ]; then
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MKIMG=mkimg
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fi
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if [ "$1" = "-b" ]; then
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MAKEFSARG="$4"
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else
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MAKEFSARG="$3"
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fi
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if [ -f ${MAKEFSARG} ]; then
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BASEBITSDIR=`dirname ${MAKEFSARG}`
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METALOG=${MAKEFSARG}
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elif [ -d ${MAKEFSARG} ]; then
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BASEBITSDIR=${MAKEFSARG}
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METALOG=
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else
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echo "${MAKEFSARG} must exist"
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exit 1
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fi
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if [ "$1" = "-b" ]; then
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# This is highly x86-centric and will be used directly below.
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bootable="-o bootimage=i386;$BASEBITSDIR/boot/cdboot -o no-emul-boot"
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# Make EFI system partition.
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espfilename=$(mktemp /tmp/efiboot.XXXXXX)
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# ESP file size in KB.
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espsize="2048"
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make_esp_file ${espfilename} ${espsize} ${BASEBITSDIR}/boot/loader.efi
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bootable="$bootable -o bootimage=i386;${espfilename} -o no-emul-boot -o platformid=efi"
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shift
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else
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bootable=""
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fi
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if [ $# -lt 3 ]; then
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echo "Usage: $0 [-b] image-label image-name base-bits-dir [extra-bits-dir]"
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exit 1
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fi
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LABEL=`echo "$1" | tr '[:lower:]' '[:upper:]'`; shift
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NAME="$1"; shift
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# MAKEFSARG extracted already
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shift
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publisher="The FreeBSD Project. https://www.FreeBSD.org/"
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echo "/dev/iso9660/$LABEL / cd9660 ro 0 0" > "$BASEBITSDIR/etc/fstab"
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if [ -n "${METALOG}" ]; then
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metalogfilename=$(mktemp /tmp/metalog.XXXXXX)
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cat ${METALOG} > ${metalogfilename}
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echo "./etc/fstab type=file uname=root gname=wheel mode=0644" >> ${metalogfilename}
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MAKEFSARG=${metalogfilename}
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fi
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$MAKEFS -D -N ${BASEBITSDIR}/etc -t cd9660 $bootable -o rockridge -o label="$LABEL" -o publisher="$publisher" "$NAME" "$MAKEFSARG" "$@"
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rm -f "$BASEBITSDIR/etc/fstab"
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rm -f ${espfilename}
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if [ -n "${METALOG}" ]; then
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rm ${metalogfilename}
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fi
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if [ "$bootable" != "" ]; then
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# Look for the EFI System Partition image we dropped in the ISO image.
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for entry in `$ETDUMP --format shell $NAME`; do
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eval $entry
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if [ "$et_platform" = "efi" ]; then
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espstart=`expr $et_lba \* 2048`
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espsize=`expr $et_sectors \* 512`
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espparam="-p efi::$espsize:$espstart"
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break
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fi
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done
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# Create a GPT image containing the partitions we need for hybrid boot.
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hybridfilename=$(mktemp /tmp/hybrid.img.XXXXXX)
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imgsize=`stat -f %z "$NAME"`
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$MKIMG -s gpt \
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--capacity $imgsize \
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-b "$BASEBITSDIR/boot/pmbr" \
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-p freebsd-boot:="$BASEBITSDIR/boot/isoboot" \
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$espparam \
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-o $hybridfilename
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# Drop the PMBR, GPT, and boot code into the System Area of the ISO.
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dd if=$hybridfilename of="$NAME" bs=32k count=1 conv=notrunc
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rm -f $hybridfilename
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fi
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