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Raspi2-3_GenImage
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1 1 #!/bin/sh
2 2
3 3 ########################################################################
4 4 # rpi2-gen-image.sh 2015-2016
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 # Copyright (C) 2015 Jan Wagner <mail@jwagner.eu>
14 14 #
15 15 # Big thanks for patches and enhancements by 10+ github contributors!
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=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
45 45 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
46 46 DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}
47 47 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}
48 48 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
49 49
50 50 # Build directories
51 51 BASEDIR="$(pwd)/images/${RELEASE}"
52 52 BUILDDIR="${BASEDIR}/build"
53 53
54 54 # Chroot directories
55 55 R="${BUILDDIR}/chroot"
56 56 ETCDIR="${R}/etc"
57 57 BOOTDIR="${R}/boot/firmware"
58 58 KERNELDIR="${R}/usr/src/linux"
59 59
60 60 # Firmware directory: Blank if download from github
61 61 FIRMWAREDIR=${FIRMWAREDIR:=""}
62 62
63 63 # General settings
64 64 HOSTNAME=${HOSTNAME:=rpi2-${RELEASE}}
65 65 PASSWORD=${PASSWORD:=raspberry}
66 66 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
67 67 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
68 68 EXPANDROOT=${EXPANDROOT:=true}
69 69
70 70 # Keyboard settings
71 71 XKB_MODEL=${XKB_MODEL:=""}
72 72 XKB_LAYOUT=${XKB_LAYOUT:=""}
73 73 XKB_VARIANT=${XKB_VARIANT:=""}
74 74 XKB_OPTIONS=${XKB_OPTIONS:=""}
75 75
76 76 # Network settings (DHCP)
77 77 ENABLE_DHCP=${ENABLE_DHCP:=true}
78 78
79 79 # Network settings (static)
80 80 NET_ADDRESS=${NET_ADDRESS:=""}
81 81 NET_GATEWAY=${NET_GATEWAY:=""}
82 82 NET_DNS_1=${NET_DNS_1:=""}
83 83 NET_DNS_2=${NET_DNS_2:=""}
84 84 NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
85 85 NET_NTP_1=${NET_NTP_1:=""}
86 86 NET_NTP_2=${NET_NTP_2:=""}
87 87
88 88 # APT settings
89 89 APT_PROXY=${APT_PROXY:=""}
90 90 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
91 91
92 92 # Feature settings
93 93 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
94 94 ENABLE_IPV6=${ENABLE_IPV6:=true}
95 95 ENABLE_SSHD=${ENABLE_SSHD:=true}
96 96 ENABLE_SOUND=${ENABLE_SOUND:=true}
97 97 ENABLE_DBUS=${ENABLE_DBUS:=true}
98 98 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
99 99 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
100 100 ENABLE_XORG=${ENABLE_XORG:=false}
101 101 ENABLE_WM=${ENABLE_WM:=""}
102 102 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
103 103 ENABLE_USER=${ENABLE_USER:=true}
104 104 USER_NAME=${USER_NAME:="pi"}
105 105 ENABLE_ROOT=${ENABLE_ROOT:=false}
106 106 ENABLE_ROOT_SSH=${ENABLE_ROOT_SSH:=false}
107 107
108 108 # Advanced settings
109 109 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
110 ENABLE_REDUCE=${ENABLE_REDUCE:=flase}
110 ENABLE_REDUCE=${ENABLE_REDUCE:=false}
111 111 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
112 112 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
113 113 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
114 114 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
115 115 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
116 116 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
117 117
118 118 # Kernel compilation settings
119 119 BUILD_KERNEL=${BUILD_KERNEL:=false}
120 120 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
121 121 KERNEL_THREADS=${KERNEL_THREADS:=1}
122 122 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
123 123 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
124 124 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
125 125
126 126 # Kernel compilation from source directory settings
127 127 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
128 128 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
129 129 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
130 130 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
131 131
132 132 # Reduce disk usage settings
133 133 REDUCE_APT=${REDUCE_APT:=true}
134 134 REDUCE_DOC=${REDUCE_DOC:=true}
135 135 REDUCE_MAN=${REDUCE_MAN:=true}
136 136 REDUCE_VIM=${REDUCE_VIM:=false}
137 137 REDUCE_BASH=${REDUCE_BASH:=false}
138 138 REDUCE_HWDB=${REDUCE_HWDB:=true}
139 139 REDUCE_SSHD=${REDUCE_SSHD:=true}
140 140 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
141 141
142 142 # Encrypted filesystem settings
143 143 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
144 144 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
145 145 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
146 146 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
147 147 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
148 148
149 149 # Stop the Crypto Wars
150 150 DISABLE_FBI=${DISABLE_FBI:=false}
151 151
152 152 # Chroot scripts directory
153 153 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
154 154
155 155 # Packages required in the chroot build environment
156 156 APT_INCLUDES=${APT_INCLUDES:=""}
157 157 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo"
158 158
159 159 # Packages required for bootstrapping
160 160 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git"
161 161 MISSING_PACKAGES=""
162 162
163 163 set +x
164 164
165 165 # Add packages required for kernel cross compilation
166 166 if [ "$BUILD_KERNEL" = true ] ; then
167 167 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
168 168 fi
169 169
170 170 # Add libncurses5 to enable kernel menuconfig
171 171 if [ "$KERNEL_MENUCONFIG" = true ] ; then
172 172 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses5-dev"
173 173 fi
174 174
175 175 # Stop the Crypto Wars
176 176 if [ "$DISABLE_FBI" = true ] ; then
177 177 ENABLE_CRYPTFS=true
178 178 fi
179 179
180 180 # Add cryptsetup package to enable filesystem encryption
181 181 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
182 182 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
183 183 APT_INCLUDES="${APT_INCLUDES},cryptsetup"
184 184
185 185 if [ -z "$CRYPTFS_PASSWORD" ] ; then
186 186 echo "error: no password defined (CRYPTFS_PASSWORD)!"
187 187 exit 1
188 188 fi
189 189 ENABLE_INITRAMFS=true
190 190 fi
191 191
192 192 # Add initramfs generation tools
193 193 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
194 194 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
195 195 fi
196 196
197 197 # Check if all required packages are installed on the build system
198 198 for package in $REQUIRED_PACKAGES ; do
199 199 if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
200 200 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
201 201 fi
202 202 done
203 203
204 204 # Ask if missing packages should get installed right now
205 205 if [ -n "$MISSING_PACKAGES" ] ; then
206 206 echo "the following packages needed by this script are not installed:"
207 207 echo "$MISSING_PACKAGES"
208 208
209 209 echo -n "\ndo you want to install the missing packages right now? [y/n] "
210 210 read confirm
211 211 [ "$confirm" != "y" ] && exit 1
212 212 fi
213 213
214 214 # Make sure all required packages are installed
215 215 apt-get -qq -y install ${REQUIRED_PACKAGES}
216 216
217 217 # Check if ./bootstrap.d directory exists
218 218 if [ ! -d "./bootstrap.d/" ] ; then
219 219 echo "error: './bootstrap.d' required directory not found!"
220 220 exit 1
221 221 fi
222 222
223 223 # Check if ./files directory exists
224 224 if [ ! -d "./files/" ] ; then
225 225 echo "error: './files' required directory not found!"
226 226 exit 1
227 227 fi
228 228
229 229 # Check if specified KERNELSRC_DIR directory exists
230 230 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
231 231 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
232 232 exit 1
233 233 fi
234 234
235 235 # Check if specified CHROOT_SCRIPTS directory exists
236 236 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
237 237 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
238 238 exit 1
239 239 fi
240 240
241 241 # Check if specified device mapping already exists (will be used by cryptsetup)
242 242 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
243 243 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
244 244 exit 1
245 245 fi
246 246
247 247 # Don't clobber an old build
248 248 if [ -e "$BUILDDIR" ] ; then
249 249 echo "error: directory ${BUILDDIR} already exists, not proceeding"
250 250 exit 1
251 251 fi
252 252
253 253 # Setup chroot directory
254 254 mkdir -p "${R}"
255 255
256 256 # Check if build directory has enough of free disk space >512MB
257 257 if [ "$(df --output=avail ${BUILDDIR} | sed "1d")" -le "524288" ] ; then
258 258 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
259 259 exit 1
260 260 fi
261 261
262 262 set -x
263 263
264 264 # Call "cleanup" function on various signals and errors
265 265 trap cleanup 0 1 2 3 6
266 266
267 267 # Add required packages for the minbase installation
268 268 if [ "$ENABLE_MINBASE" = true ] ; then
269 269 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
270 270 fi
271 271
272 272 # Add required locales packages
273 273 if [ "$DEFLOCAL" != "en_US.UTF-8" ] ; then
274 274 APT_INCLUDES="${APT_INCLUDES},locales,keyboard-configuration,console-setup"
275 275 fi
276 276
277 277 # Add parted package, required to get partprobe utility
278 278 if [ "$EXPANDROOT" = true ] ; then
279 279 APT_INCLUDES="${APT_INCLUDES},parted"
280 280 fi
281 281
282 282 # Add dbus package, recommended if using systemd
283 283 if [ "$ENABLE_DBUS" = true ] ; then
284 284 APT_INCLUDES="${APT_INCLUDES},dbus"
285 285 fi
286 286
287 287 # Add iptables IPv4/IPv6 package
288 288 if [ "$ENABLE_IPTABLES" = true ] ; then
289 289 APT_INCLUDES="${APT_INCLUDES},iptables"
290 290 fi
291 291
292 292 # Add openssh server package
293 293 if [ "$ENABLE_SSHD" = true ] ; then
294 294 APT_INCLUDES="${APT_INCLUDES},openssh-server"
295 295 fi
296 296
297 297 # Add alsa-utils package
298 298 if [ "$ENABLE_SOUND" = true ] ; then
299 299 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
300 300 fi
301 301
302 302 # Add rng-tools package
303 303 if [ "$ENABLE_HWRANDOM" = true ] ; then
304 304 APT_INCLUDES="${APT_INCLUDES},rng-tools"
305 305 fi
306 306
307 307 # Add fbturbo video driver
308 308 if [ "$ENABLE_FBTURBO" = true ] ; then
309 309 # Enable xorg package dependencies
310 310 ENABLE_XORG=true
311 311 fi
312 312
313 313 # Add user defined window manager package
314 314 if [ -n "$ENABLE_WM" ] ; then
315 315 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
316 316
317 317 # Enable xorg package dependencies
318 318 ENABLE_XORG=true
319 319 fi
320 320
321 321 # Add xorg package
322 322 if [ "$ENABLE_XORG" = true ] ; then
323 323 APT_INCLUDES="${APT_INCLUDES},xorg"
324 324 fi
325 325
326 326 # Replace selected packages with smaller clones
327 327 if [ "$ENABLE_REDUCE" = true ] ; then
328 328 # Add levee package instead of vim-tiny
329 329 if [ "$REDUCE_VIM" = true ] ; then
330 330 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
331 331 fi
332 332
333 333 # Add dropbear package instead of openssh-server
334 334 if [ "$REDUCE_SSHD" = true ] ; then
335 335 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/openssh-server/dropbear/")"
336 336 fi
337 337 fi
338 338
339 339 # Configure kernel sources if no KERNELSRC_DIR
340 340 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
341 341 KERNELSRC_CONFIG=true
342 342 fi
343 343
344 344 # Configure reduced kernel
345 345 if [ "$KERNEL_REDUCE" = true ] ; then
346 346 KERNELSRC_CONFIG=false
347 347 fi
348 348
349 349 # Execute bootstrap scripts
350 350 for SCRIPT in bootstrap.d/*.sh; do
351 351 head -n 3 "$SCRIPT"
352 352 . "$SCRIPT"
353 353 done
354 354
355 355 ## Execute custom bootstrap scripts
356 356 if [ -d "custom.d" ] ; then
357 357 for SCRIPT in custom.d/*.sh; do
358 358 . "$SCRIPT"
359 359 done
360 360 fi
361 361
362 362 # Execute custom scripts inside the chroot
363 363 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
364 364 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
365 365 chroot_exec /bin/bash -x <<'EOF'
366 366 for SCRIPT in /chroot_scripts/* ; do
367 367 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
368 368 $SCRIPT
369 369 fi
370 370 done
371 371 EOF
372 372 rm -rf "${R}/chroot_scripts"
373 373 fi
374 374
375 375 # Remove apt-utils
376 376 chroot_exec apt-get purge -qq -y --force-yes apt-utils
377 377
378 378 # Generate required machine-id
379 379 MACHINE_ID=$(dbus-uuidgen)
380 380 echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
381 381 echo -n "${MACHINE_ID}" > "${ETCDIR}/machine-id"
382 382
383 383 # APT Cleanup
384 384 chroot_exec apt-get -y clean
385 385 chroot_exec apt-get -y autoclean
386 386 chroot_exec apt-get -y autoremove
387 387
388 388 # Unmount mounted filesystems
389 389 umount -l "${R}/proc"
390 390 umount -l "${R}/sys"
391 391
392 392 # Clean up directories
393 393 rm -rf "${R}/run/*"
394 394 rm -rf "${R}/tmp/*"
395 395
396 396 # Clean up files
397 397 rm -f "${ETCDIR}/ssh/ssh_host_*"
398 398 rm -f "${ETCDIR}/dropbear/dropbear_*"
399 399 rm -f "${ETCDIR}/apt/sources.list.save"
400 400 rm -f "${ETCDIR}/resolvconf/resolv.conf.d/original"
401 401 rm -f "${ETCDIR}/*-"
402 402 rm -f "${ETCDIR}/apt/apt.conf.d/10proxy"
403 403 rm -f "${ETCDIR}/resolv.conf"
404 404 rm -f "${R}/root/.bash_history"
405 405 rm -f "${R}/var/lib/urandom/random-seed"
406 406 rm -f "${R}/initrd.img"
407 407 rm -f "${R}/vmlinuz"
408 408 rm -f "${R}${QEMU_BINARY}"
409 409
410 410 # Calculate size of the chroot directory in KB
411 411 CHROOT_SIZE=$(expr `du -s "${R}" | awk '{ print $1 }'`)
412 412
413 413 # Calculate the amount of needed 512 Byte sectors
414 414 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
415 415 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
416 416 ROOT_OFFSET=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS})
417 417
418 418 # The root partition is EXT4
419 419 # This means more space than the actual used space of the chroot is used.
420 420 # As overhead for journaling and reserved blocks 20% are added.
421 421 ROOT_SECTORS=$(expr $(expr ${CHROOT_SIZE} + ${CHROOT_SIZE} \/ 100 \* 20) \* 1024 \/ 512)
422 422
423 423 # Calculate required image size in 512 Byte sectors
424 424 IMAGE_SECTORS=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS})
425 425
426 426 # Prepare date string for image file name
427 427 DATE="$(date +%Y-%m-%d)"
428 428
429 429 # Prepare image file
430 430 if [ "$ENABLE_SPLITFS" = true ] ; then
431 431 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img" bs=512 count=${TABLE_SECTORS}
432 432 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img" bs=512 count=0 seek=${FRMW_SECTORS}
433 433 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-root.img" bs=512 count=${TABLE_SECTORS}
434 434 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}-root.img" bs=512 count=0 seek=${ROOT_SECTORS}
435 435
436 436 # Write firmware/boot partition tables
437 437 sfdisk -q -L -uS -f "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img" 2> /dev/null <<EOM
438 438 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
439 439 EOM
440 440
441 441 # Write root partition table
442 442 sfdisk -q -L -uS -f "$BASEDIR/${DATE}-debian-${RELEASE}-root.img" 2> /dev/null <<EOM
443 443 ${TABLE_SECTORS},${ROOT_SECTORS},83
444 444 EOM
445 445
446 446 # Setup temporary loop devices
447 447 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $BASEDIR/${DATE}-debian-${RELEASE}-frmw.img)"
448 448 ROOT_LOOP="$(losetup -o 1M -f --show $BASEDIR/${DATE}-debian-${RELEASE}-root.img)"
449 449 else # ENABLE_SPLITFS=false
450 450 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=512 count=${TABLE_SECTORS}
451 451 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=512 count=0 seek=${IMAGE_SECTORS}
452 452
453 453 # Write partition table
454 454 sfdisk -q -L -uS -f "$BASEDIR/${DATE}-debian-${RELEASE}.img" 2> /dev/null <<EOM
455 455 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
456 456 ${ROOT_OFFSET},${ROOT_SECTORS},83
457 457 EOM
458 458
459 459 # Setup temporary loop devices
460 460 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $BASEDIR/${DATE}-debian-${RELEASE}.img)"
461 461 ROOT_LOOP="$(losetup -o 65M -f --show $BASEDIR/${DATE}-debian-${RELEASE}.img)"
462 462 fi
463 463
464 464 if [ "$ENABLE_CRYPTFS" = true ] ; then
465 465 # Create dummy ext4 fs
466 466 mkfs.ext4 "$ROOT_LOOP"
467 467
468 468 # Setup password keyfile
469 469 echo -n ${CRYPTFS_PASSWORD} > .password
470 470 chmod 600 .password
471 471
472 472 # Initialize encrypted partition
473 473 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
474 474
475 475 # Open encrypted partition and setup mapping
476 476 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
477 477
478 478 # Secure delete password keyfile
479 479 shred -zu .password
480 480
481 481 # Update temporary loop device
482 482 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
483 483
484 484 # Wipe encrypted partition (encryption cipher is used for randomness)
485 485 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count=$(blockdev --getsz "${ROOT_LOOP}")
486 486 fi
487 487
488 488 # Build filesystems
489 489 mkfs.vfat "$FRMW_LOOP"
490 490 mkfs.ext4 "$ROOT_LOOP"
491 491
492 492 # Mount the temporary loop devices
493 493 mkdir -p "$BUILDDIR/mount"
494 494 mount "$ROOT_LOOP" "$BUILDDIR/mount"
495 495
496 496 mkdir -p "$BUILDDIR/mount/boot/firmware"
497 497 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
498 498
499 499 # Copy all files from the chroot to the loop device mount point directory
500 500 rsync -a "${R}/" "$BUILDDIR/mount/"
501 501
502 502 # Unmount all temporary loop devices and mount points
503 503 cleanup
504 504
505 505 # Create block map file(s) of image(s)
506 506 if [ "$ENABLE_SPLITFS" = true ] ; then
507 507 # Create block map files for "bmaptool"
508 508 bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img"
509 509 bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}-root.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}-root.img"
510 510
511 511 # Image was successfully created
512 512 echo "$BASEDIR/${DATE}-debian-${RELEASE}-frmw.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
513 513 echo "$BASEDIR/${DATE}-debian-${RELEASE}-root.img ($(expr \( ${TABLE_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
514 514 else
515 515 # Create block map file for "bmaptool"
516 516 bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}.img"
517 517
518 518 # Image was successfully created
519 519 echo "$BASEDIR/${DATE}-debian-${RELEASE}.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
520 520 fi
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