4 _root="$(dirname "${0}")"
5 . "${_root}/lib/env.sh"
10 targets="prepwork admin overlay packages patch whiteout scripts prepboot preptmp prepetc imgboot imgconf imgetc imgall custom"
13 [ "${*}" ] && printf "${*}\n\n"
14 echo "********************************************************************************"
15 echo "Usage: $(basename "${0}") <-a arch> <-c conf> <-b basedir> <-t stagedir>"
16 echo ' <-i pkgsdir> <-p patchdir> <-r rootdir> <-l logfile> [-h] <targets>'
17 echo " -a arch Arch for image target (default: current arch: $(uname -m))"
18 echo ' -c conf Conf name for image target (default: GENERIC)'
19 echo ' -b basedir Basedir for automagic defaults'
20 echo ' -t stagedir Staging directory name (${target}/tree)'
21 echo ' -r rootdir Directory holding the virgin source tree (${target}/world/root)'
22 echo ' -o overlaydir Directory holding an overlay tree (${target}/config/overlay)'
23 echo ' -i pkgsdir Directory holding packages to install (${target}/pkg)'
24 echo ' -p patchdir Directory holding patches to apply (${target}/config/patch)'
25 echo ' -w whiteout Listfile of paths to remove (${target}/config/whiteout.lst)'
26 echo ' -s scriptdir Directory holding scripts to apply (${target}/config/script)'
27 echo ' -d confdir Conf md_size files and old cpios (${target}/config/conf)'
28 echo ' -l logfile File to hold stderr spam (${stage}/gentree.log'
29 echo ' -h Hello! >^-^<'
31 echo 'Available targets:'
32 for target in ${targets}
39 while getopts "a:c:b:t:r:o:i:p:w:s:l:h" opt
42 a) arch="${OPTARG}" ;;
43 c) conf="${OPTARG}" ;;
44 b) base="${OPTARG}" ;;
45 t) tree="${OPTARG}" ;;
46 r) root="${OPTARG}" ;;
47 o) ovly="${OPTARG}" ;;
48 i) pkgs="${OPTARG}" ;;
49 p) ptch="${OPTARG}" ;;
50 w) rmrf="${OPTARG}" ;;
51 s) scpt="${OPTARG}" ;;
52 d) cnfd="${OPTARG}" ;;
53 l) logf="${OPTARG}" ;;
55 [?]) pebkac "Unrecognized option ${opt}" ;;
58 shift $(( $OPTIND - 1 ))
60 sequence="${*:-${targets}}"
62 base="${base:-$(dirname "${0}")/..}" #"
63 base="$(realpath "${base}")"
65 arch="${arch:-$(uname -m)}"
66 conf="${conf:-GENERIC}"
68 target="${base}/targets/${arch}/${conf}"
70 tree="${tree:-${target}/tree}"
71 root="${root:-${target}/world/root}"
72 ovly="${ovly:-${target}/config/overlay}"
73 pkgs="${pkgs:-${target}/pkg}"
74 ptch="${ptch:-${target}/config/patch}"
75 rmrf="${rmrf:-${target}/config/whiteout.lst}"
76 scpt="${scpt:-${target}/config/script}"
77 cnfd="${cnfd:-${target}/config/conf}"
78 logf="${logf:-${tree}/gentree.log}"
80 stage="${stage:-${base}/tree}"
81 pkgs="${pkgs:-${base}/pkg}"
82 patch="${patch:-${base}/patch}"
83 overlay="${overlay:-${base}/overlay}"
84 root="${root:-${base}/root}"
85 logfile="${logfile:-${stage}/gentree.log}"
88 tree="$(realpath "${tree}")"
95 meh "Logging to ${logf}"
99 # Make sure the provided file(s) have only one link!
102 if [ -f "${1}" -a "$(stat -f '%l' "${1}")" -gt 1 ]
104 cp -p "${1}" "${1}.tmp" && mv "${1}.tmp" "${1}" || err "breaklink failed"
112 log Prepare workspace
113 if [ -d "${tree}" -a \( -d "${sroot}" -o -d "${sboot}" -o -d "${sconf}" \) ]
115 yn n " ${a_yellow}*${a_normal} Workspace already exists. Delete? [y/N]" || err Aborting
116 chk rm -Rf "${sroot}" "${sboot}" "${sconf}"
118 chk mkdir -p "${sroot}"
119 # Eliminate schg, because it interferes with hardlinks
120 chk chflags -R noschg "${root}/lib"
121 chk chflags -R noschg "${root}/libexec"
122 chk chflags -R noschg "${root}/sbin"
123 chk chflags -R noschg "${root}/usr"
124 ( cd "${root}" && find . | cpio -p --link "${sroot}" ) || chk
128 log Create an emergency user admin/admin
129 # delink passwd to ensure it doesn't get patched in-place
130 chk onelink "${sroot}/etc/passwd" "${sroot}/etc/master.passwd"
131 echo '$1$2rXOWsK/$eiBHA6K7xL96DZbcY24YR0' | chk /usr/sbin/pw -V "${sroot}/etc" useradd admin -u 999 -g wheel -G operator -c Administrator -d /usr/home/admin -m -k "${sroot}/usr/share/skel" -s /bin/csh -H 0
135 [ -d "${ovly}" ] || return
136 log Apply overlay from "${ovly##${base}/}"
137 ( cd "${ovly}" && find . | cpio -p "${sroot}" ) || chk
141 [ -d "${pkgs}" ] || return
142 count="$(ls -1 "${pkgs}" | wc -l)"
143 [ "${count}" -gt 0 ] || return
144 log Install ${count} packages from "${pkgs##${base}/}"
145 chk mkdir -p "${sroot}/pkg"
146 ( cd "${pkgs}" && find . | cpio -p --link "${sroot}/pkg" ) || chk
147 chk chroot "${sroot}" /bin/sh -c 'cd /pkg; exec pkg_add -F *'
148 chk rm -Rf "${sroot}/pkg"
152 [ -d "${ptch}" ] || return
153 log Apply patches from "${ptch##${base}/}"
154 for file in "${ptch}"/*
156 note "... $(basename "${file}")"
157 ( cd "${sroot}" && patch < "${file}" ) || chk
159 sed -e '/^+++ /!d; s/^+++ //; s/[ ]*[0-9: .+-]*$//' "${file}" | while read orig
161 rm -f "${sroot}/${orig}.orig"
167 [ -f "${rmrf}" ] || return
168 log Whiteout files from "${rmrf##${base}/}"
169 while read entry < "${rmrf}"
171 # Strip off terminating slash
173 # Obtain directory name, for path resolution
174 entry_path="$(dirname "${entry}")"
175 entry_path="$(realpath "${sroot}/${entry_path}" 2>/dev/null)"
176 entry_file="$(basename "${entry}")"
178 # Ignore paths that do not exist
179 [ "${entry_path}" ] || continue
181 # Warn and ignore paths that fall outside ${sroot} after resolution
182 if [ "$(echo ${entry_path} | sed -e "s/^\(.\{${#sroot}\}\).*$/\1/")" != "${sroot}" ]
184 warn "Whiteout '${entry}' malformed: leads outside '${sroot}'"
188 # Warn and ignore paths that cannot be chdir()'d
189 if [ ! -d "${entry_path}" ]
191 warn "Whiteout '${entry}' malformed: non-directory in path"
198 echo rm -Rf "${entry}"
200 echo rm -f "${entry}"
206 # Run arbitrary user scripts to perform additional functions prior to carving and packaging
207 # Warning! These run as root and no chroot is performed! BE CAREFUL HERE!
209 [ -d "${scpt}" ] && ls -1 "${scpt}" | grep -q '.' || return
210 log Run user scripts from "${scpt##${base}/}"
211 ls -1 "${scpt}" | LANG=C sort | while read file
213 [ -f "${scpt}/${file}" ] || continue
223 chk mv "${sroot}/boot/boot" "${sroot}/boot/boot.blk"
224 chk ln -sf . "${sroot}/boot/boot"
226 # Move /boot/zfs to /etc/zfs and symlink
227 ls -1 "${sroot}/boot/zfs"/* 2>&- && chk mv "${sroot}/boot/zfs"/* "${sroot}/etc/zfs/"
228 chk rmdir "${sroot}/boot/zfs"
229 chk ln -svf ../etc/zfs "${sroot}/boot/zfs"
234 ( cd "${sroot}/tmp" && find . | cpio -p --link ../var/tmp ) || chk
235 chk rm -Rf "${sroot}/tmp"
236 chk ln -sf var/tmp "${sroot}/tmp"
241 chk mkdir -p "${sroot}/etc/local"
242 chk mkdir -p "${sroot}/usr/local/etc" # Silence warnings
243 ( cd "${sroot}/usr/local/etc" && find . | cpio -p --link ../../../etc/local ) || chk
244 chk rm -Rf "${sroot}/usr/local/etc"
245 chk ln -sf ../../etc/local "${sroot}/usr/local/etc"
249 log Create boot imgsrc
250 chk mv "${sroot}/boot" "${tree}"
251 chk mkdir -p "${sroot}/boot"
252 chk mkdir -p "${sroot}/modules"
253 chk find "${sboot}/kernel" -type f -name '*.symbols' -delete
255 # Link all modules into /modules, as an alternative search path
256 ( cd "${sboot}/kernel" && find . -name '*.ko' -o -name "${conf}" | cpio -p --link "${sroot}/modules" ) || chk
257 ( cd "${sboot}/modules" && find . -name '*.ko' -o -name "${conf}" | cpio -p --link "${sroot}/modules" ) || chk
259 # Remove all modules from the root fs that are preloaded by the preloader
260 [ ! -f "${sboot}/loader.conf" ] || cat "${sboot}/loader.conf" | grep '_load=' | \
261 sed -e 's#^\(.*\)_load=.*$#'"${sroot}/modules/"'\1.ko#' | xargs rm -f
263 # Remove all modules from the boot fs that are present in the root fs
264 ( cd "${sroot}/modules" && ls -1 ) | sed -e 's#^#'"${sboot}/kernel/"'#' | xargs rm -f
265 ( cd "${sroot}/modules" && ls -1 ) | sed -e 's#^#'"${sboot}/modules/"'#' | xargs rm -f
267 # Rebuild linker hints in both places, to make sure the kernel can find everything once running
268 kldxref "${sboot}/kernel" "${sboot}/modules" "${sroot}/modules"
270 # Gzip kernel to save boot space
271 chk onelink "${sboot}/kernel/kernel"
272 chk gzip -9 "${sboot}/kernel/kernel"
274 # Compress all the modules as well, since /loader can handle them; kldload cannot,
275 # but I think I can safely assume you will not be kldunloading boot-loaded modules
276 ls -1 "${sboot}/kernel/"*.ko "${sboot}/modules/"*.ko 2>/dev/null | while read kmod
278 chk onelink "${kmod}"
279 chk gzip -9 "${kmod}"
282 # Make sure /boot/zfs -> /etc/zfs symlink exists even without /boot mounted
283 [ -L "${sroot}/boot/zfs" ] || chk ln -sf ../etc/zfs "${sroot}/boot/zfs"
288 chk mkdir -p "${sroot}/conf"
289 echo "ufs:/dev/ufs/conf" > "${sroot}/conf/diskless_remount" || chk
290 chk mkdir -p "${sconf}/backup"
291 chk mkdir -p "${sconf}/base"
292 chk mkdir -p "${sconf}/default"
294 # Create packdirs for each
295 for pack in "${cnfd}"/*.md_size
297 pack="$(basename "${pack%%.md_size}")"
298 chk mkdir -p "${sconf}/base/${pack}"
299 chk mkdir -p "${sconf}/default/${pack}"
300 ( cat "${cnfd}/${pack}.md_size" > "${sconf}/base/${pack}/md_size" ) || chk
302 chk chown -R :operator "${sconf}"
303 ( find "${sconf}" -print0 | xargs -0 chmod o-rwx ) || chk
307 # etc requires special handling to ensure everything is properly arranged.
308 log Create etc confpack
309 chk touch "${sroot}/etc/diskless"
310 # Touch /COPYRIGHT to provide an immutable time anchor for saveconfig
311 chk touch "${sroot}/COPYRIGHT"
312 chk sleep 1 # Make sure anchor is at least one second older than everything in custom
313 chk mkdir -p "${tree}/pack"
314 chk mv "${sroot}/etc" "${tree}/pack"
315 chk mkdir -p "${sroot}/etc"
316 chk cp -p "${tree}/pack/etc/rc" "${tree}/pack/etc/rc.subr" "${tree}/pack/etc/rc.initdiskless" "${tree}/pack/etc/login.conf.db" "${tree}/pack/etc/diskless" "${sroot}/etc"
318 # Make sure etc confpack exists; default if necessary
319 chk mkdir -p "${sconf}/base/etc"
320 chk mkdir -p "${sconf}/default/etc"
321 [ -e "${sconf}/base/etc/md_size" ] || echo "10240" > "${sconf}/base/etc/md_size"
323 ( cd "${tree}/pack" && find etc | cpio -o ) | gzip -9 > "${sconf}/base/etc.cpio.gz" || chk
324 chk rm -Rf "${tree}/pack"
328 log Create remaining confpacks
329 chk mkdir -p "${tree}/pack"
330 for pack in "${cnfd}"/*.md_size
332 pack="$(basename "${pack%%.md_size}")"
333 # Ignore etc, as it was processed in do_imgetc
334 [ "${pack}" = "etc" ] && continue
336 chk mv "${sroot}/${pack}" "${tree}/pack"
337 chk mkdir -p "${sroot}/${pack}"
338 ( cd "${tree}/pack" && find "${pack}" | cpio -o ) | gzip -9 > "${sconf}/base/${pack}.cpio.gz" || chk
339 rm -Rf "${tree}/pack/${pack}" || chflags -R noschg "${tree}/pack/${pack}" && rm -Rf "${tree}/pack/${pack}" || chk
341 chk rm -Rf "${tree}/pack"
345 log Patch in custom config
346 ( cd "${cnfd}" && find . -name '*.md_size' -o -print | cpio -p --link "${sconf}/default" ) || chk
347 # Make sure files in default are newer than the tagfile, so they will be caught by saveconfig
348 find "${sconf}/default" -type f -print0 | xargs -0 touch
349 # If there are scavenged cpio.gz confpacks, touch their contents as well.
350 chk mkdir -p "${tree}/pack"
351 if ls -1 "${sconf}/default" | grep -q '.cpio.gz'
353 chk rm -Rf "${tree}/pack"/*
354 for file in "${sconf}/default"/*.cpio.gz
356 pack="$(basename "${file%%.cpio.gz}")"
357 zcat "${file}" | ( cd "${tree}/pack"; cpio -id ) || chk
358 find "${tree}/pack" -type f -print0 | xargs -0 touch
359 ( cd "${tree}/pack"; find . | cpio -o ) | gzip -9 > "${file}"
360 chk rm -Rf "${tree}/pack"/*
363 chk rm -Rf "${tree}/pack"
366 for step in ${sequence}
368 echo "${targets}" | grep -q "${step}" || err Unrecognized target "${step}"