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Raspi2-3_GenImage
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Jan Wagner -
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1 1 # This file contains utility functions used by rpi2-gen-image.sh
2 2
3 3 cleanup (){
4 4 set +x
5 5 set +e
6 6
7 7 # Identify and kill all processes still using files
8 8 echo "killing processes using mount point ..."
9 9 fuser -k "$R"
10 10 sleep 3
11 11 fuser -9 -k -v "$R"
12 12
13 # Clean up temporary .password file
14 if [ -r ".password" ] ; then
15 shred -zu .password
16 fi
17
13 18 # Clean up all temporary mount points
14 19 echo "removing temporary mount points ..."
15 20 umount -l "$R/proc" 2> /dev/null
16 21 umount -l "$R/sys" 2> /dev/null
17 22 umount -l "$R/dev/pts" 2> /dev/null
18 23 umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null
19 24 umount "$BUILDDIR/mount" 2> /dev/null
20 25 cryptsetup close "${CRYPTFS_MAPPING}" 2> /dev/null
21 26 losetup -d "$ROOT_LOOP" 2> /dev/null
22 27 losetup -d "$FRMW_LOOP" 2> /dev/null
23 28 trap - 0 1 2 3 6
24 29 }
25 30
26 31 chroot_exec() {
27 32 # Exec command in chroot
28 33 LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot $R $*
29 34 }
30 35
31 36 install_readonly() {
32 37 # Install file with user read-only permissions
33 38 install -o root -g root -m 644 $*
34 39 }
35 40
36 41 install_exec() {
37 42 # Install file with root exec permissions
38 43 install -o root -g root -m 744 $*
39 44 }
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1 1 #!/bin/sh
2 2
3 3 ########################################################################
4 4 # rpi2-gen-image.sh ver2a 12/2015
5 5 #
6 6 # Advanced debian "jessie" bootstrap script for RPi2
7 7 #
8 8 # This program is free software; you can redistribute it and/or
9 9 # modify it under the terms of the GNU General Public License
10 10 # as published by the Free Software Foundation; either version 2
11 11 # of the License, or (at your option) any later version.
12 12 #
13 13 # some parts based on rpi2-build-image:
14 14 # Copyright (C) 2015 Ryan Finnie <ryan@finnie.org>
15 15 # Copyright (C) 2015 Luca Falavigna <dktrkranz@debian.org>
16 16 ########################################################################
17 17
18 18 # Are we running as root?
19 19 if [ "$(id -u)" -ne "0" ] ; then
20 20 echo "error: this script must be executed with root privileges!"
21 21 exit 1
22 22 fi
23 23
24 24 # Check if ./functions.sh script exists
25 25 if [ ! -r "./functions.sh" ] ; then
26 26 echo "error: './functions.sh' required script not found!"
27 27 exit 1
28 28 fi
29 29
30 30 # Load utility functions
31 31 . ./functions.sh
32 32
33 33 # Introduce settings
34 34 set -e
35 35 echo -n -e "\n#\n# RPi2 Bootstrap Settings\n#\n"
36 36 set -x
37 37
38 38 # Debian release
39 39 RELEASE=${RELEASE:=jessie}
40 40 KERNEL_ARCH=${KERNEL_ARCH:=arm}
41 41 RELEASE_ARCH=${RELEASE_ARCH:=armhf}
42 42 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
43 43 COLLABORA_KERNEL=${COLLABORA_KERNEL:=3.18.0-trunk-rpi2}
44 44 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
45 45 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
46 46
47 47 # Build directories
48 48 BASEDIR="$(pwd)/images/${RELEASE}"
49 49 BUILDDIR="${BASEDIR}/build"
50 50 R="${BUILDDIR}/chroot"
51 51
52 52 # General settings
53 53 HOSTNAME=${HOSTNAME:=rpi2-${RELEASE}}
54 54 PASSWORD=${PASSWORD:=raspberry}
55 55 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
56 56 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
57 57 EXPANDROOT=${EXPANDROOT:=true}
58 58
59 59 # Keyboard settings
60 60 XKB_MODEL=${XKB_MODEL:=""}
61 61 XKB_LAYOUT=${XKB_LAYOUT:=""}
62 62 XKB_VARIANT=${XKB_VARIANT:=""}
63 63 XKB_OPTIONS=${XKB_OPTIONS:=""}
64 64
65 65 # Network settings (DHCP)
66 66 ENABLE_DHCP=${ENABLE_DHCP:=true}
67 67
68 68 # Network settings (static)
69 69 NET_ADDRESS=${NET_ADDRESS:=""}
70 70 NET_GATEWAY=${NET_GATEWAY:=""}
71 71 NET_DNS_1=${NET_DNS_1:=""}
72 72 NET_DNS_2=${NET_DNS_2:=""}
73 73 NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
74 74 NET_NTP_1=${NET_NTP_1:=""}
75 75 NET_NTP_2=${NET_NTP_2:=""}
76 76
77 77 # APT settings
78 78 APT_PROXY=${APT_PROXY:=""}
79 79 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
80 80
81 81 # Feature settings
82 82 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
83 83 ENABLE_IPV6=${ENABLE_IPV6:=true}
84 84 ENABLE_SSHD=${ENABLE_SSHD:=true}
85 85 ENABLE_SOUND=${ENABLE_SOUND:=true}
86 86 ENABLE_DBUS=${ENABLE_DBUS:=true}
87 87 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
88 88 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
89 89 ENABLE_XORG=${ENABLE_XORG:=false}
90 90 ENABLE_WM=${ENABLE_WM:=""}
91 91 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
92 92 ENABLE_USER=${ENABLE_USER:=true}
93 93 ENABLE_ROOT=${ENABLE_ROOT:=false}
94 94 ENABLE_ROOT_SSH=${ENABLE_ROOT_SSH:=false}
95 95
96 96 # Advanced settings
97 97 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
98 98 ENABLE_REDUCE=${ENABLE_REDUCE:=flase}
99 99 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
100 100 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
101 101 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
102 102 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
103 103 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
104 104 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
105 105
106 106 # Kernel compilation settings
107 107 BUILD_KERNEL=${BUILD_KERNEL:=false}
108 108 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
109 109 KERNEL_THREADS=${KERNEL_THREADS:=1}
110 110 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
111 111 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
112 112 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
113 113
114 114 # Kernel compilation from source directory settings
115 115 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
116 116 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
117 117 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
118 118 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
119 119
120 120 # Reduce disk usage settings
121 121 REDUCE_APT=${REDUCE_APT:=true}
122 122 REDUCE_DOC=${REDUCE_DOC:=true}
123 123 REDUCE_MAN=${REDUCE_MAN:=true}
124 124 REDUCE_VIM=${REDUCE_VIM:=false}
125 125 REDUCE_BASH=${REDUCE_BASH:=false}
126 126 REDUCE_HWDB=${REDUCE_HWDB:=true}
127 127 REDUCE_SSHD=${REDUCE_SSHD:=true}
128 128 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
129 129
130 130 # Encrypted filesystem settings
131 131 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
132 132 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
133 133 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
134 134 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
135 135 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
136 136
137 137 # Stop the Crypto Wars
138 138 DISABLE_FBI=${DISABLE_FBI:=false}
139 139
140 140 # Chroot scripts directory
141 141 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
142 142
143 143 # Packages required in the chroot build environment
144 144 APT_INCLUDES=${APT_INCLUDES:=""}
145 145 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo"
146 146
147 147 # Packages required for bootstrapping
148 148 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git-core"
149 149 MISSING_PACKAGES=""
150 150
151 151 set +x
152 152
153 153 # Add packages required for kernel cross compilation
154 154 if [ "$BUILD_KERNEL" = true ] ; then
155 155 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
156 156 fi
157 157
158 158 # Add libncurses5 to enable kernel menuconfig
159 159 if [ "$KERNEL_MENUCONFIG" = true ] ; then
160 160 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses5-dev"
161 161 fi
162 162
163 163 # Stop the Crypto Wars
164 164 if [ "$DISABLE_FBI" = true ] ; then
165 165 ENABLE_CRYPTFS=true
166 166 fi
167 167
168 168 # Add cryptsetup package to enable filesystem encryption
169 169 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
170 170 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
171 171 APT_INCLUDES="${APT_INCLUDES},cryptsetup"
172 172
173 173 if [ -z "$CRYPTFS_PASSWORD" ] ; then
174 174 echo "error: no password defined (CRYPTFS_PASSWORD)!"
175 175 exit 1
176 176 fi
177 177 ENABLE_INITRAMFS=true
178 178 fi
179 179
180 180 # Add initramfs generation tools
181 181 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
182 182 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
183 183 fi
184 184
185 185 # Check if all required packages are installed on the build system
186 186 for package in $REQUIRED_PACKAGES ; do
187 187 if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
188 188 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
189 189 fi
190 190 done
191 191
192 192 # Ask if missing packages should get installed right now
193 193 if [ -n "$MISSING_PACKAGES" ] ; then
194 194 echo "the following packages needed by this script are not installed:"
195 195 echo "$MISSING_PACKAGES"
196 196
197 197 echo -n "\ndo you want to install the missing packages right now? [y/n] "
198 198 read confirm
199 199 [ "$confirm" != "y" ] && exit 1
200 200 fi
201 201
202 202 # Make sure all required packages are installed
203 203 apt-get -qq -y install ${REQUIRED_PACKAGES}
204 204
205 205 # Check if ./bootstrap.d directory exists
206 206 if [ ! -d "./bootstrap.d/" ] ; then
207 207 echo "error: './bootstrap.d' required directory not found!"
208 208 exit 1
209 209 fi
210 210
211 211 # Check if ./files directory exists
212 212 if [ ! -d "./files/" ] ; then
213 213 echo "error: './files' required directory not found!"
214 214 exit 1
215 215 fi
216 216
217 217 # Check if specified KERNELSRC_DIR directory exists
218 218 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
219 219 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
220 220 exit 1
221 221 fi
222 222
223 223 # Check if specified CHROOT_SCRIPTS directory exists
224 224 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
225 225 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
226 226 exit 1
227 227 fi
228 228
229 229 # Check if specified device mapping already exists (will be used by cryptsetup)
230 230 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
231 231 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
232 232 exit 1
233 233 fi
234 234
235 235 # Don't clobber an old build
236 236 if [ -e "$BUILDDIR" ] ; then
237 237 echo "error: directory ${BUILDDIR} already exists, not proceeding"
238 238 exit 1
239 239 fi
240 240
241 241 # Setup chroot directory
242 242 mkdir -p "$R"
243 243
244 244 # Check if build directory has enough of free disk space >512MB
245 245 if [ "$(df --output=avail ${BUILDDIR} | sed "1d")" -le "524288" ] ; then
246 246 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
247 247 exit 1
248 248 fi
249 249
250 250 set -x
251 251
252 252 # Call "cleanup" function on various signals and errors
253 253 trap cleanup 0 1 2 3 6
254 254
255 255 # Add required packages for the minbase installation
256 256 if [ "$ENABLE_MINBASE" = true ] ; then
257 257 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
258 258 else
259 259 APT_INCLUDES="${APT_INCLUDES},locales,keyboard-configuration,console-setup"
260 260 fi
261 261
262 262 # Add parted package, required to get partprobe utility
263 263 if [ "$EXPANDROOT" = true ] ; then
264 264 APT_INCLUDES="${APT_INCLUDES},parted"
265 265 fi
266 266
267 267 # Add dbus package, recommended if using systemd
268 268 if [ "$ENABLE_DBUS" = true ] ; then
269 269 APT_INCLUDES="${APT_INCLUDES},dbus"
270 270 fi
271 271
272 272 # Add iptables IPv4/IPv6 package
273 273 if [ "$ENABLE_IPTABLES" = true ] ; then
274 274 APT_INCLUDES="${APT_INCLUDES},iptables"
275 275 fi
276 276
277 277 # Add openssh server package
278 278 if [ "$ENABLE_SSHD" = true ] ; then
279 279 APT_INCLUDES="${APT_INCLUDES},openssh-server"
280 280 fi
281 281
282 282 # Add alsa-utils package
283 283 if [ "$ENABLE_SOUND" = true ] ; then
284 284 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
285 285 fi
286 286
287 287 # Add rng-tools package
288 288 if [ "$ENABLE_HWRANDOM" = true ] ; then
289 289 APT_INCLUDES="${APT_INCLUDES},rng-tools"
290 290 fi
291 291
292 292 # Add fbturbo video driver
293 293 if [ "$ENABLE_FBTURBO" = true ] ; then
294 294 # Enable xorg package dependencies
295 295 ENABLE_XORG=true
296 296 fi
297 297
298 298 # Add user defined window manager package
299 299 if [ -n "$ENABLE_WM" ] ; then
300 300 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
301 301
302 302 # Enable xorg package dependencies
303 303 ENABLE_XORG=true
304 304 fi
305 305
306 306 # Add xorg package
307 307 if [ "$ENABLE_XORG" = true ] ; then
308 308 APT_INCLUDES="${APT_INCLUDES},xorg"
309 309 fi
310 310
311 311 # Replace selected packages with smaller clones
312 312 if [ "$ENABLE_REDUCE" = true ] ; then
313 313 # Add levee package instead of vim-tiny
314 314 if [ "$REDUCE_VIM" = true ] ; then
315 315 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
316 316 fi
317 317
318 318 # Add dropbear package instead of openssh-server
319 319 if [ "$REDUCE_SSHD" = true ] ; then
320 320 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/openssh-server/dropbear/")"
321 321 fi
322 322 fi
323 323
324 324 # Configure kernel sources if no KERNELSRC_DIR
325 325 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
326 326 KERNELSRC_CONFIG=true
327 327 fi
328 328
329 329 # Configure reduced kernel
330 330 if [ "$KERNEL_REDUCE" = true ] ; then
331 331 KERNELSRC_CONFIG=false
332 332 fi
333 333
334 334 # Execute bootstrap scripts
335 335 for SCRIPT in bootstrap.d/*.sh; do
336 336 head -n 3 "$SCRIPT"
337 337 . "$SCRIPT"
338 338 done
339 339
340 340 ## Execute custom bootstrap scripts
341 341 if [ -d "custom.d" ] ; then
342 342 for SCRIPT in custom.d/*.sh; do
343 343 . "$SCRIPT"
344 344 done
345 345 fi
346 346
347 347 # Execute custom scripts inside the chroot
348 348 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
349 349 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
350 350 chroot_exec /bin/bash -x <<'EOF'
351 351 for SCRIPT in /chroot_scripts/* ; do
352 352 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
353 353 $SCRIPT
354 354 fi
355 355 done
356 356 EOF
357 357 rm -rf "$R/chroot_scripts"
358 358 fi
359 359
360 360 # Remove apt-utils
361 361 chroot_exec apt-get purge -qq -y --force-yes apt-utils
362 362
363 363 # Generate required machine-id
364 364 MACHINE_ID=$(dbus-uuidgen)
365 365 echo -n "${MACHINE_ID}" > "$R/var/lib/dbus/machine-id"
366 366 echo -n "${MACHINE_ID}" > "$R/etc/machine-id"
367 367
368 368 # APT Cleanup
369 369 chroot_exec apt-get -y clean
370 370 chroot_exec apt-get -y autoclean
371 371 chroot_exec apt-get -y autoremove
372 372
373 373 # Unmount mounted filesystems
374 374 umount -l "$R/proc"
375 375 umount -l "$R/sys"
376 376
377 377 # Clean up directories
378 378 rm -rf "$R/run/*"
379 379 rm -rf "$R/tmp/*"
380 380
381 381 # Clean up files
382 382 rm -f "$R/etc/ssh/ssh_host_*"
383 383 rm -f "$R/etc/dropbear/dropbear_*"
384 384 rm -f "$R/etc/apt/sources.list.save"
385 385 rm -f "$R/etc/resolvconf/resolv.conf.d/original"
386 386 rm -f "$R/etc/*-"
387 387 rm -f "$R/root/.bash_history"
388 388 rm -f "$R/var/lib/urandom/random-seed"
389 389 rm -f "$R/etc/apt/apt.conf.d/10proxy"
390 390 rm -f "$R/etc/resolv.conf"
391 391 rm -f "$R/initrd.img"
392 392 rm -f "$R/vmlinuz"
393 393 rm -f "${R}${QEMU_BINARY}"
394 394
395 395 # Calculate size of the chroot directory in KB
396 396 CHROOT_SIZE=$(expr `du -s "$R" | awk '{ print $1 }'`)
397 397
398 398 # Calculate the amount of needed 512 Byte sectors
399 399 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
400 400 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
401 401 ROOT_OFFSET=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS})
402 402
403 403 # The root partition is EXT4
404 404 # This means more space than the actual used space of the chroot is used.
405 405 # As overhead for journaling and reserved blocks 20% are added.
406 406 ROOT_SECTORS=$(expr $(expr ${CHROOT_SIZE} + ${CHROOT_SIZE} \/ 100 \* 20) \* 1024 \/ 512)
407 407
408 408 # Calculate required image size in 512 Byte sectors
409 409 IMAGE_SECTORS=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS})
410 410
411 411 # Prepare date string for image file name
412 412 DATE="$(date +%Y-%m-%d)"
413 413
414 414 # Prepare image file
415 415 if [ "$ENABLE_SPLITFS" = true ] ; then
416 416 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img" bs=512 count=${TABLE_SECTORS}
417 417 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img" bs=512 count=0 seek=${FRMW_SECTORS}
418 418 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-root.img" bs=512 count=${TABLE_SECTORS}
419 419 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-root.img" bs=512 count=0 seek=${ROOT_SECTORS}
420 420
421 421 # Write firmware/boot partition tables
422 422 sfdisk -q -L -uS -f "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img" 2> /dev/null <<EOM
423 423 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
424 424 EOM
425 425
426 426 # Write root partition table
427 427 sfdisk -q -L -uS -f "$BASEDIR/${DATE}-debian-${RELEASE}-root.img" 2> /dev/null <<EOM
428 428 ${TABLE_SECTORS},${ROOT_SECTORS},83
429 429 EOM
430 430
431 431 # Setup temporary loop devices
432 432 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $BASEDIR/${DATE}-debian-${RELEASE}-frmw.img)"
433 433 ROOT_LOOP="$(losetup -o 1M -f --show $BASEDIR/${DATE}-debian-${RELEASE}-root.img)"
434 434 else # ENABLE_SPLITFS=false
435 435 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=512 count=${TABLE_SECTORS}
436 436 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=512 count=0 seek=${IMAGE_SECTORS}
437 437
438 438 # Write partition table
439 439 sfdisk -q -L -uS -f "$BASEDIR/${DATE}-debian-${RELEASE}.img" 2> /dev/null <<EOM
440 440 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
441 441 ${ROOT_OFFSET},${ROOT_SECTORS},83
442 442 EOM
443 443
444 444 # Setup temporary loop devices
445 445 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $BASEDIR/${DATE}-debian-${RELEASE}.img)"
446 446 ROOT_LOOP="$(losetup -o 65M -f --show $BASEDIR/${DATE}-debian-${RELEASE}.img)"
447 447 fi
448 448
449 449 if [ "$ENABLE_CRYPTFS" = true ] ; then
450 450 # Create dummy ext4 fs
451 451 mkfs.ext4 "$ROOT_LOOP"
452 452
453 453 # Setup password keyfile
454 454 echo -n ${CRYPTFS_PASSWORD} > .password
455 chmod 600 .password
455 456
456 457 # Initialize encrypted partition
457 458 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
458 459
459 460 # Open encrypted partition and setup mapping
460 461 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
461 462
462 463 # Secure delete password keyfile
463 464 shred -zu .password
464 465
465 466 # Update temporary loop device
466 467 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
467 468
468 469 # Wipe encrypted partition (encryption cipher is used for randomness)
469 470 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count=$(blockdev --getsz "${ROOT_LOOP}")
470 471 fi
471 472
472 473 # Build filesystems
473 474 mkfs.vfat "$FRMW_LOOP"
474 475 mkfs.ext4 "$ROOT_LOOP"
475 476
476 477 # Mount the temporary loop devices
477 478 mkdir -p "$BUILDDIR/mount"
478 479 mount "$ROOT_LOOP" "$BUILDDIR/mount"
479 480
480 481 mkdir -p "$BUILDDIR/mount/boot/firmware"
481 482 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
482 483
483 484 # Copy all files from the chroot to the loop device mount point directory
484 485 rsync -a "$R/" "$BUILDDIR/mount/"
485 486
486 487 # Unmount all temporary loop devices and mount points
487 488 cleanup
488 489
489 490 # Create block map file(s) of image(s)
490 491 if [ "$ENABLE_SPLITFS" = true ] ; then
491 492 # Create block map files for "bmaptool"
492 493 bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img"
493 494 bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}-root.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}-root.img"
494 495
495 496 # Image was successfully created
496 497 echo "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
497 498 echo "$BASEDIR/${DATE}-debian-${RELEASE}-root.img ($(expr \( ${TABLE_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
498 499 else
499 500 # Create block map file for "bmaptool"
500 501 bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}.img"
501 502
502 503 # Image was successfully created
503 504 echo "$BASEDIR/${DATE}-debian-${RELEASE}.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
504 505 fi
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