From c4c70d2f7abb177f8475f8bde749158bcd5e076b Mon Sep 17 00:00:00 2001
From: Christer Edwards <christer.edwards@klarasystems.com>
Date: Mon, 10 Jan 2022 10:05:38 -0700
Subject: Add hybrid ISO image support

This makes a version of .iso that can also be written to a USB stick

Sponsored-by: Zenith Electronics, LLC
Sponsored-by: Klara Inc.
---
 src/share/poudriere/image.sh           |  5 +-
 src/share/poudriere/image_hybridiso.sh | 97 ++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+), 2 deletions(-)
 create mode 100644 src/share/poudriere/image_hybridiso.sh

(limited to 'src')

diff --git a/src/share/poudriere/image.sh b/src/share/poudriere/image.sh
index bfa5b0da..1c31ba10 100644
--- a/src/share/poudriere/image.sh
+++ b/src/share/poudriere/image.sh
@@ -28,6 +28,7 @@
 . ${SCRIPTPREFIX}/common.sh
 . ${SCRIPTPREFIX}/image_dump.sh
 . ${SCRIPTPREFIX}/image_firmware.sh
+. ${SCRIPTPREFIX}/image_hybridiso.sh
 . ${SCRIPTPREFIX}/image_iso.sh
 . ${SCRIPTPREFIX}/image_mfs.sh
 . ${SCRIPTPREFIX}/image_rawdisk.sh
@@ -44,7 +45,7 @@ poudriere image [parameters] [options]
 Parameters:
     -j jail         -- Jail
     -t type         -- Type of image can be one of
-                    -- iso, iso+mfs, iso+zmfs, usb, usb+mfs, usb+zmfs,
+                    -- hybridiso, iso, iso+mfs, iso+zmfs, usb, usb+mfs, usb+zmfs,
                        rawdisk, zrawdisk, tar, firmware, rawfirmware,
                        dump, zfs+[raw|gpt|send[+full[+be]]], zsnapshot
 
@@ -353,7 +354,7 @@ while getopts "A:bB:c:f:h:i:j:m:n:o:p:P:R:s:S:t:vw:X:z:" FLAG; do
 		t)
 			MEDIATYPE=${OPTARG}
 			case ${MEDIATYPE} in
-			iso|iso+mfs|iso+zmfs|usb|usb+mfs|usb+zmfs) ;;
+			hybridiso|iso|iso+mfs|iso+zmfs|usb|usb+mfs|usb+zmfs) ;;
 			rawdisk|zrawdisk|tar|firmware|rawfirmware) ;;
 			dump|zsnapshot) ;;
 			zfs|zfs+gpt|zfs+raw) ;;
diff --git a/src/share/poudriere/image_hybridiso.sh b/src/share/poudriere/image_hybridiso.sh
new file mode 100644
index 00000000..34a37c47
--- /dev/null
+++ b/src/share/poudriere/image_hybridiso.sh
@@ -0,0 +1,97 @@
+#!/bin/sh
+
+#
+# Copyright (c) 2022 Christer Edwards <christer.edwards@gmail.com>
+# Copyright (c) 2021 Emmanuel Vadot <manu@FreeBSD.org>
+# Copyright (c) 2015 Baptiste Daroussin <bapt@FreeBSD.org>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+hybridiso_check()
+{
+
+	# Limitation on isos
+	case "${IMAGENAME}" in
+	''|*[!A-Za-z0-9]*)
+		err 1 "Name can only contain alphanumeric characters"
+		;;
+	esac
+
+	[ -f "${mnt}/boot/kernel/kernel" ] || \
+	    err 1 "The ${MEDIATYPE} media type requires a jail with a kernel"
+}
+
+hybridiso_prepare()
+{
+}
+
+hybridiso_build()
+{
+
+	imageupper=$(echo ${IMAGENAME} | tr '[:lower:]' '[:upper:]')
+	cat >> ${WRKDIR}/world/etc/fstab <<-EOF
+	/dev/iso9660/${imageupper} / cd9660 ro 0 0
+	tmpfs /tmp tmpfs rw,mode=1777 0 0
+	EOF
+	do_clone -r ${WRKDIR}/world/boot ${WRKDIR}/out/boot
+}
+
+hybridiso_generate()
+{
+
+	FINALIMAGE=${IMAGENAME}.iso
+	espfilename=$(mktemp /tmp/efiboot.XXXXXX)
+	make_esp_file ${espfilename} 10 ${WRKDIR}/world/boot/loader.efi
+
+	# Make ISO image.
+	makefs -t cd9660 -o rockridge -o label=${IMAGENAME} \
+	       -o publisher="poudriere" \
+	       -o bootimage="i386;${WRKDIR}/out/boot/cdboot" \
+	       -o bootimage="i386;${espfilename}" \
+	       -o platformid=efi \
+	       -o no-emul-boot "${OUTPUTDIR}/${FINALIMAGE}" ${WRKDIR}/world
+
+	# Find the EFI System Partition on the ISO.
+	for entry in $(etdump --format shell ${OUTPUTDIR}/${FINALIMAGE}); do
+		eval $entry
+		if [ "$et_platform" = "efi" ]; then
+			espstart=$(expr $et_lba \* 2048)
+			espsize=$(expr $et_sectors \* 512)
+			espparam="-p efi::$espsize:$espstart"
+			break
+		fi
+	done
+
+	# Create a GPT image with the partitions needed for hybrid boot.
+	imgsize=$(stat -f %z "${OUTPUTDIR}/${FINALIMAGE}")
+	mkimg -s gpt \
+	    --capacity $imgsize \
+	    -b "$WRKDIR/out/boot/pmbr" \
+	    -p freebsd-boot:="$WRKDIR/out/boot/isoboot" \
+	    $espparam \
+	    -o "${OUTPUTDIR}/hybridiso.img"
+
+	# Drop the PMBR, GPT, and boot code into the System Area of the ISO.
+	dd if="${OUTPUTDIR}/hybridiso.img" of="${OUTPUTDIR}/${FINALIMAGE}" bs=32k count=1 conv=notrunc
+	rm -f "${OUTPUTDIR}/hybridiso.img"
+}
-- 
cgit v1.2.3