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Raspi2-3_GenImage
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1 1 #!/bin/sh
2 2
3 3 ########################################################################
4 4 # rpi23-gen-image.sh 2015-2017
5 5 #
6 6 # Advanced Debian "jessie", "stretch" and "buster" bootstrap script for RPi2/3
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 20+ github contributors!
16 16 ########################################################################
17 17
18 18 # Are we running as root?
19 19 if [ "$(id -u)" -ne "0" ] ; then
20 20 echo "error: this script must be executed with root privileges!"
21 21 exit 1
22 22 fi
23 23
24 24 # Check if ./functions.sh script exists
25 25 if [ ! -r "./functions.sh" ] ; then
26 26 echo "error: './functions.sh' required script not found!"
27 27 exit 1
28 28 fi
29 29
30 30 # Load utility functions
31 31 . ./functions.sh
32 32
33 33 # Load parameters from configuration template file
34 34 if [ ! -z "$CONFIG_TEMPLATE" ] ; then
35 35 use_template
36 36 fi
37 37
38 38 # Introduce settings
39 39 set -e
40 40 echo -n -e "\n#\n# RPi2/3 Bootstrap Settings\n#\n"
41 41 set -x
42 42
43 43 # Raspberry Pi model configuration
44 44 RPI_MODEL=${RPI_MODEL:=2}
45 45 #bcm2708-rpi-0-w.dtb (Used for Pi 0 and PI 0W)
46 46 RPI0_DTB_FILE=${RPI0_DTB_FILE:=bcm2708-rpi-0-w.dtb}
47 47 RPI0_UBOOT_CONFIG=${RPI0_UBOOT_CONFIG:=rpi_defconfig}
48 48 #bcm2708-rpi-b.dtb (Used for Pi 1 model A and B)
49 49 RPI1_DTB_FILE=${RPI1_DTB_FILE:=bcm2708-rpi-b.dtb}
50 50 RPI1_UBOOT_CONFIG=${RPI1_UBOOT_CONFIG:=rpi_defconfig}
51 51 #bcm2708-rpi-b-plus.dtb (Used for Pi 1 model B+ and A+)
52 52 RPI1P_DTB_FILE=${RPI1P_DTB_FILE:=bcm2708-rpi-b-plus.dtb}
53 53 RPI1P_UBOOT_CONFIG=${RPI1P_UBOOT_CONFIG:=rpi_defconfig}
54 54 #bcm2709-rpi-2-b.dtb (Used for Pi 2 model B)
55 55 RPI2_DTB_FILE=${RPI2_DTB_FILE:=bcm2709-rpi-2-b.dtb}
56 56 RPI2_UBOOT_CONFIG=${RPI2_UBOOT_CONFIG:=rpi_2_defconfig}
57 57 #bcm2710-rpi-3-b.dtb (Used for Pi 3 model B)
58 58 RPI3_DTB_FILE=${RPI3_DTB_FILE:=bcm2710-rpi-3-b.dtb}
59 59 RPI3_UBOOT_CONFIG=${RPI3_UBOOT_CONFIG:=rpi_3_32b_defconfig}
60 60 #bcm2710-rpi-3-b-plus.dtb (Used for Pi 3 model B+)
61 61 RPI3P_DTB_FILE=${RPI3P_DTB_FILE:=bcm2710-rpi-3-b-plus.dtb}
62 62 RPI3P_UBOOT_CONFIG=${RPI3P_UBOOT_CONFIG:=rpi_3_32b_defconfig}
63 63
64 64 # Debian release
65 65 RELEASE=${RELEASE:=jessie}
66 66 KERNEL_ARCH=${KERNEL_ARCH:=arm}
67 67 RELEASE_ARCH=${RELEASE_ARCH:=armhf}
68 68 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
69 69 COLLABORA_KERNEL=${COLLABORA_KERNEL:=3.18.0-trunk-rpi2}
70 70 if [ "$KERNEL_ARCH" = "arm64" ] ; then
71 71 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
72 72 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
73 elif [RPI_MODEL] = 0 || [RPI_MODEL = 1] || [RPI_MODEL = 1P]
73 fi
74
75 if [RPI_MODEL] = 0 || [RPI_MODEL = 1] || [RPI_MODEL = 1P]
74 76 #RASPBERRY PI 1, PI ZERO, PI ZERO W, AND COMPUTE MODULE DEFAULT Kernel BUILD CONFIGURATION
75 77 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}
76 78 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
77 79 else
78 80 #RASPBERRY PI 2, PI 3, PI 3+, AND COMPUTE MODULE 3 DEFAULT Kernel BUILD CONFIGURATION
79 81 #https://www.raspberrypi.org/documentation/linux/kernel/building.md
80 82 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
81 83 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
82 84 fi
83 85
84 86 if [ "$RELEASE_ARCH" = "arm64" ] ; then
85 87 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
86 88 else
87 89 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
88 90 fi
89 91 KERNEL_BRANCH=${KERNEL_BRANCH:=""}
90 92
91 93 # URLs
92 94 KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}
93 95 FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}
94 96 WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm}
95 97 COLLABORA_URL=${COLLABORA_URL:=https://repositories.collabora.co.uk/debian}
96 98 FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}
97 99 UBOOT_URL=${UBOOT_URL:=git://git.denx.de/u-boot.git}
98 100
99 101 # Build directories
100 102 BASEDIR=${BASEDIR:=$(pwd)/images/${RELEASE}}
101 103 BUILDDIR="${BASEDIR}/build"
102 104
103 105 # Prepare date string for default image file name
104 106 DATE="$(date +%Y-%m-%d)"
105 107 if [ -z "$KERNEL_BRANCH" ] ; then
106 108 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
107 109 else
108 110 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
109 111 fi
110 112
111 113 # Chroot directories
112 114 R="${BUILDDIR}/chroot"
113 115 ETC_DIR="${R}/etc"
114 116 LIB_DIR="${R}/lib"
115 117 BOOT_DIR="${R}/boot/firmware"
116 118 KERNEL_DIR="${R}/usr/src/linux"
117 119 WLAN_FIRMWARE_DIR="${R}/lib/firmware/brcm"
118 120
119 121 # Firmware directory: Blank if download from github
120 122 RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}
121 123
122 124 # General settings
123 125 HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}
124 126 PASSWORD=${PASSWORD:=raspberry}
125 127 USER_PASSWORD=${USER_PASSWORD:=raspberry}
126 128 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
127 129 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
128 130 EXPANDROOT=${EXPANDROOT:=true}
129 131
130 132 # Keyboard settings
131 133 XKB_MODEL=${XKB_MODEL:=""}
132 134 XKB_LAYOUT=${XKB_LAYOUT:=""}
133 135 XKB_VARIANT=${XKB_VARIANT:=""}
134 136 XKB_OPTIONS=${XKB_OPTIONS:=""}
135 137
136 138 # Network settings (DHCP)
137 139 ENABLE_DHCP=${ENABLE_DHCP:=true}
138 140
139 141 # Network settings (static)
140 142 NET_ADDRESS=${NET_ADDRESS:=""}
141 143 NET_GATEWAY=${NET_GATEWAY:=""}
142 144 NET_DNS_1=${NET_DNS_1:=""}
143 145 NET_DNS_2=${NET_DNS_2:=""}
144 146 NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
145 147 NET_NTP_1=${NET_NTP_1:=""}
146 148 NET_NTP_2=${NET_NTP_2:=""}
147 149
148 150 # APT settings
149 151 APT_PROXY=${APT_PROXY:=""}
150 152 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
151 153
152 154 # Feature settings
153 155 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
154 156 ENABLE_I2C=${ENABLE_I2C:=false}
155 157 ENABLE_SPI=${ENABLE_SPI:=false}
156 158 ENABLE_IPV6=${ENABLE_IPV6:=true}
157 159 ENABLE_SSHD=${ENABLE_SSHD:=true}
158 160 ENABLE_NONFREE=${ENABLE_NONFREE:=false}
159 161 ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
160 162 ENABLE_SOUND=${ENABLE_SOUND:=true}
161 163 ENABLE_DBUS=${ENABLE_DBUS:=true}
162 164 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
163 165 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
164 166 ENABLE_XORG=${ENABLE_XORG:=false}
165 167 ENABLE_WM=${ENABLE_WM:=""}
166 168 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
167 169 ENABLE_USER=${ENABLE_USER:=true}
168 170 USER_NAME=${USER_NAME:="pi"}
169 171 ENABLE_ROOT=${ENABLE_ROOT:=false}
170 172
171 173 # SSH settings
172 174 SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
173 175 SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
174 176 SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
175 177 SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
176 178 SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
177 179
178 180 # Advanced settings
179 181 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
180 182 ENABLE_REDUCE=${ENABLE_REDUCE:=false}
181 183 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
182 184 UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
183 185 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
184 186 FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
185 187 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
186 188 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
187 189 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
188 190 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
189 191 ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
190 192 DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
191 193
192 194 # Kernel compilation settings
193 195 BUILD_KERNEL=${BUILD_KERNEL:=false}
194 196 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
195 197 KERNEL_THREADS=${KERNEL_THREADS:=1}
196 198 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
197 199 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
198 200 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
199 201 KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
200 202 KERNEL_CCACHE=${KERNEL_CCACHE:=false}
201 203
202 204 if [ "$KERNEL_ARCH" = "arm64" ] ; then
203 205 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
204 206 else
205 207 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
206 208 fi
207 209
208 210 # Kernel compilation from source directory settings
209 211 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
210 212 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
211 213 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
212 214 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
213 215
214 216 # Reduce disk usage settings
215 217 REDUCE_APT=${REDUCE_APT:=true}
216 218 REDUCE_DOC=${REDUCE_DOC:=true}
217 219 REDUCE_MAN=${REDUCE_MAN:=true}
218 220 REDUCE_VIM=${REDUCE_VIM:=false}
219 221 REDUCE_BASH=${REDUCE_BASH:=false}
220 222 REDUCE_HWDB=${REDUCE_HWDB:=true}
221 223 REDUCE_SSHD=${REDUCE_SSHD:=true}
222 224 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
223 225
224 226 # Encrypted filesystem settings
225 227 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
226 228 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
227 229 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
228 230 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
229 231 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
230 232
231 233 # Chroot scripts directory
232 234 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
233 235
234 236 # Packages required in the chroot build environment
235 237 APT_INCLUDES=${APT_INCLUDES:=""}
236 238 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils"
237 239
238 240 # Packages required for bootstrapping
239 241 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo"
240 242 MISSING_PACKAGES=""
241 243
242 244 # Packages installed for c/c++ build environment in chroot (keep empty)
243 245 COMPILER_PACKAGES=""
244 246
245 247 set +x
246 248
247 249 # Set Raspberry Pi model specific configuration
248 250 elif [ "$RPI_MODEL" = 0 ] ; then
249 251 DTB_FILE=${RPI2_DTB_FILE}
250 252 UBOOT_CONFIG=${RPI2_UBOOT_CONFIG}
251 253 elif [ "$RPI_MODEL" = 1 ] ; then
252 254 DTB_FILE=${RPI2_DTB_FILE}
253 255 UBOOT_CONFIG=${RPI2_UBOOT_CONFIG}
254 256 elif [ "$RPI_MODEL" = 1P ] ; then
255 257 DTB_FILE=${RPI2_DTB_FILE}
256 258 UBOOT_CONFIG=${RPI2_UBOOT_CONFIG}
257 259 elif [ "$RPI_MODEL" = 2 ] ; then
258 260 DTB_FILE=${RPI2_DTB_FILE}
259 261 UBOOT_CONFIG=${RPI2_UBOOT_CONFIG}
260 262 elif [ "$RPI_MODEL" = 3 ] ; then
261 263 DTB_FILE=${RPI3_DTB_FILE}
262 264 UBOOT_CONFIG=${RPI3_UBOOT_CONFIG}
263 265 BUILD_KERNEL=true
264 266 elif [ "$RPI_MODEL" = 3P ] ; then
265 267 DTB_FILE=${RPI3P_DTB_FILE}
266 268 UBOOT_CONFIG=${RPI3P_UBOOT_CONFIG}
267 269 BUILD_KERNEL=true
268 270 else
269 271 echo "error: Raspberry Pi model ${RPI_MODEL} is not supported!"
270 272 exit 1
271 273 fi
272 274
273 275 # Check if the internal wireless interface is supported by the RPi model
274 276 if [ "$ENABLE_WIRELESS" = true ] && [ "$RPI_MODEL" = 2 ]; then
275 277 echo "error: The selected Raspberry Pi model has no internal wireless interface"
276 278 exit 1
277 279 fi
278 280
279 281 # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
280 282 if [ ! -z "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
281 283 if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
282 284 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
283 285 exit 1
284 286 fi
285 287 fi
286 288
287 289 # Build RPi2/3 Linux kernel if required by Debian release
288 290 if [ "$RELEASE" = "stretch" ] || [ "$RELEASE" = "buster" ] ; then
289 291 BUILD_KERNEL=true
290 292 fi
291 293
292 294 # Add packages required for kernel cross compilation
293 295 if [ "$BUILD_KERNEL" = true ] ; then
294 296 if [ "$KERNEL_ARCH" = "arm" ] ; then
295 297 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
296 298 else
297 299 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
298 300 fi
299 301 fi
300 302
301 303 # Add libncurses5 to enable kernel menuconfig
302 304 if [ "$KERNEL_MENUCONFIG" = true ] ; then
303 305 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses5-dev"
304 306 fi
305 307
306 308 # Add ccache compiler cache for (faster) kernel cross (re)compilation
307 309 if [ "$KERNEL_CCACHE" = true ] ; then
308 310 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
309 311 fi
310 312
311 313 # Add cryptsetup package to enable filesystem encryption
312 314 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
313 315 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
314 316 APT_INCLUDES="${APT_INCLUDES},cryptsetup,console-setup"
315 317
316 318 if [ -z "$CRYPTFS_PASSWORD" ] ; then
317 319 echo "error: no password defined (CRYPTFS_PASSWORD)!"
318 320 exit 1
319 321 fi
320 322 ENABLE_INITRAMFS=true
321 323 fi
322 324
323 325 # Add initramfs generation tools
324 326 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
325 327 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
326 328 fi
327 329
328 330 # Add device-tree-compiler required for building the U-Boot bootloader
329 331 if [ "$ENABLE_UBOOT" = true ] ; then
330 332 APT_INCLUDES="${APT_INCLUDES},device-tree-compiler"
331 333 fi
332 334
333 335 # Check if root SSH (v2) public key file exists
334 336 if [ ! -z "$SSH_ROOT_PUB_KEY" ] ; then
335 337 if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
336 338 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
337 339 exit 1
338 340 fi
339 341 fi
340 342
341 343 # Check if $USER_NAME SSH (v2) public key file exists
342 344 if [ ! -z "$SSH_USER_PUB_KEY" ] ; then
343 345 if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
344 346 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
345 347 exit 1
346 348 fi
347 349 fi
348 350
349 351 # Check if all required packages are installed on the build system
350 352 for package in $REQUIRED_PACKAGES ; do
351 353 if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
352 354 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
353 355 fi
354 356 done
355 357
356 358 # If there are missing packages ask confirmation for install, or exit
357 359 if [ -n "$MISSING_PACKAGES" ] ; then
358 360 echo "the following packages needed by this script are not installed:"
359 361 echo "$MISSING_PACKAGES"
360 362
361 363 echo -n "\ndo you want to install the missing packages right now? [y/n] "
362 364 read confirm
363 365 [ "$confirm" != "y" ] && exit 1
364 366
365 367 # Make sure all missing required packages are installed
366 368 apt-get -qq -y install ${MISSING_PACKAGES}
367 369 fi
368 370
369 371 # Check if ./bootstrap.d directory exists
370 372 if [ ! -d "./bootstrap.d/" ] ; then
371 373 echo "error: './bootstrap.d' required directory not found!"
372 374 exit 1
373 375 fi
374 376
375 377 # Check if ./files directory exists
376 378 if [ ! -d "./files/" ] ; then
377 379 echo "error: './files' required directory not found!"
378 380 exit 1
379 381 fi
380 382
381 383 # Check if specified KERNELSRC_DIR directory exists
382 384 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
383 385 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
384 386 exit 1
385 387 fi
386 388
387 389 # Check if specified UBOOTSRC_DIR directory exists
388 390 if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
389 391 echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
390 392 exit 1
391 393 fi
392 394
393 395 # Check if specified FBTURBOSRC_DIR directory exists
394 396 if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
395 397 echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
396 398 exit 1
397 399 fi
398 400
399 401 # Check if specified CHROOT_SCRIPTS directory exists
400 402 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
401 403 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
402 404 exit 1
403 405 fi
404 406
405 407 # Check if specified device mapping already exists (will be used by cryptsetup)
406 408 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
407 409 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
408 410 exit 1
409 411 fi
410 412
411 413 # Don't clobber an old build
412 414 if [ -e "$BUILDDIR" ] ; then
413 415 echo "error: directory ${BUILDDIR} already exists, not proceeding"
414 416 exit 1
415 417 fi
416 418
417 419 # Setup chroot directory
418 420 mkdir -p "${R}"
419 421
420 422 # Check if build directory has enough of free disk space >512MB
421 423 if [ "$(df --output=avail ${BUILDDIR} | sed "1d")" -le "524288" ] ; then
422 424 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
423 425 exit 1
424 426 fi
425 427
426 428 set -x
427 429
428 430 # Call "cleanup" function on various signals and errors
429 431 trap cleanup 0 1 2 3 6
430 432
431 433 # Add required packages for the minbase installation
432 434 if [ "$ENABLE_MINBASE" = true ] ; then
433 435 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
434 436 fi
435 437
436 438 # Add required locales packages
437 439 if [ "$DEFLOCAL" != "en_US.UTF-8" ] ; then
438 440 APT_INCLUDES="${APT_INCLUDES},locales,keyboard-configuration,console-setup"
439 441 fi
440 442
441 443 # Add parted package, required to get partprobe utility
442 444 if [ "$EXPANDROOT" = true ] ; then
443 445 APT_INCLUDES="${APT_INCLUDES},parted"
444 446 fi
445 447
446 448 # Add dbus package, recommended if using systemd
447 449 if [ "$ENABLE_DBUS" = true ] ; then
448 450 APT_INCLUDES="${APT_INCLUDES},dbus"
449 451 fi
450 452
451 453 # Add iptables IPv4/IPv6 package
452 454 if [ "$ENABLE_IPTABLES" = true ] ; then
453 455 APT_INCLUDES="${APT_INCLUDES},iptables"
454 456 fi
455 457
456 458 # Add openssh server package
457 459 if [ "$ENABLE_SSHD" = true ] ; then
458 460 APT_INCLUDES="${APT_INCLUDES},openssh-server"
459 461 fi
460 462
461 463 # Add alsa-utils package
462 464 if [ "$ENABLE_SOUND" = true ] ; then
463 465 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
464 466 fi
465 467
466 468 # Add rng-tools package
467 469 if [ "$ENABLE_HWRANDOM" = true ] ; then
468 470 APT_INCLUDES="${APT_INCLUDES},rng-tools"
469 471 fi
470 472
471 473 # Add fbturbo video driver
472 474 if [ "$ENABLE_FBTURBO" = true ] ; then
473 475 # Enable xorg package dependencies
474 476 ENABLE_XORG=true
475 477 fi
476 478
477 479 # Add user defined window manager package
478 480 if [ -n "$ENABLE_WM" ] ; then
479 481 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
480 482
481 483 # Enable xorg package dependencies
482 484 ENABLE_XORG=true
483 485 fi
484 486
485 487 # Add xorg package
486 488 if [ "$ENABLE_XORG" = true ] ; then
487 489 APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
488 490 fi
489 491
490 492 # Replace selected packages with smaller clones
491 493 if [ "$ENABLE_REDUCE" = true ] ; then
492 494 # Add levee package instead of vim-tiny
493 495 if [ "$REDUCE_VIM" = true ] ; then
494 496 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
495 497 fi
496 498
497 499 # Add dropbear package instead of openssh-server
498 500 if [ "$REDUCE_SSHD" = true ] ; then
499 501 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/openssh-server/dropbear/")"
500 502 fi
501 503 fi
502 504
503 505 if [ "$RELEASE" != "jessie" ] ; then
504 506 APT_INCLUDES="${APT_INCLUDES},libnss-systemd"
505 507 fi
506 508
507 509 # Configure kernel sources if no KERNELSRC_DIR
508 510 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
509 511 KERNELSRC_CONFIG=true
510 512 fi
511 513
512 514 # Configure reduced kernel
513 515 if [ "$KERNEL_REDUCE" = true ] ; then
514 516 KERNELSRC_CONFIG=false
515 517 fi
516 518
517 519 # Execute bootstrap scripts
518 520 for SCRIPT in bootstrap.d/*.sh; do
519 521 head -n 3 "$SCRIPT"
520 522 . "$SCRIPT"
521 523 done
522 524
523 525 ## Execute custom bootstrap scripts
524 526 if [ -d "custom.d" ] ; then
525 527 for SCRIPT in custom.d/*.sh; do
526 528 . "$SCRIPT"
527 529 done
528 530 fi
529 531
530 532 # Execute custom scripts inside the chroot
531 533 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
532 534 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
533 535 chroot_exec /bin/bash -x <<'EOF'
534 536 for SCRIPT in /chroot_scripts/* ; do
535 537 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
536 538 $SCRIPT
537 539 fi
538 540 done
539 541 EOF
540 542 rm -rf "${R}/chroot_scripts"
541 543 fi
542 544
543 545 # Remove c/c++ build environment from the chroot
544 546 chroot_remove_cc
545 547
546 548 # Remove apt-utils
547 549 if [ "$RELEASE" = "jessie" ] ; then
548 550 chroot_exec apt-get purge -qq -y --force-yes apt-utils
549 551 fi
550 552
551 553 # Generate required machine-id
552 554 MACHINE_ID=$(dbus-uuidgen)
553 555 echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
554 556 echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
555 557
556 558 # APT Cleanup
557 559 chroot_exec apt-get -y clean
558 560 chroot_exec apt-get -y autoclean
559 561 chroot_exec apt-get -y autoremove
560 562
561 563 # Unmount mounted filesystems
562 564 umount -l "${R}/proc"
563 565 umount -l "${R}/sys"
564 566
565 567 # Clean up directories
566 568 rm -rf "${R}/run/*"
567 569 rm -rf "${R}/tmp/*"
568 570
569 571 # Clean up files
570 572 rm -f "${ETC_DIR}/ssh/ssh_host_*"
571 573 rm -f "${ETC_DIR}/dropbear/dropbear_*"
572 574 rm -f "${ETC_DIR}/apt/sources.list.save"
573 575 rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
574 576 rm -f "${ETC_DIR}/*-"
575 577 rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
576 578 rm -f "${ETC_DIR}/resolv.conf"
577 579 rm -f "${R}/root/.bash_history"
578 580 rm -f "${R}/var/lib/urandom/random-seed"
579 581 rm -f "${R}/initrd.img"
580 582 rm -f "${R}/vmlinuz"
581 583 rm -f "${R}${QEMU_BINARY}"
582 584
583 585 # Calculate size of the chroot directory in KB
584 586 CHROOT_SIZE=$(expr `du -s "${R}" | awk '{ print $1 }'`)
585 587
586 588 # Calculate the amount of needed 512 Byte sectors
587 589 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
588 590 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
589 591 ROOT_OFFSET=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS})
590 592
591 593 # The root partition is EXT4
592 594 # This means more space than the actual used space of the chroot is used.
593 595 # As overhead for journaling and reserved blocks 35% are added.
594 596 ROOT_SECTORS=$(expr $(expr ${CHROOT_SIZE} + ${CHROOT_SIZE} \/ 100 \* 35) \* 1024 \/ 512)
595 597
596 598 # Calculate required image size in 512 Byte sectors
597 599 IMAGE_SECTORS=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS})
598 600
599 601 # Prepare image file
600 602 if [ "$ENABLE_SPLITFS" = true ] ; then
601 603 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=${TABLE_SECTORS}
602 604 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek=${FRMW_SECTORS}
603 605 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=${TABLE_SECTORS}
604 606 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek=${ROOT_SECTORS}
605 607
606 608 # Write firmware/boot partition tables
607 609 sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
608 610 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
609 611 EOM
610 612
611 613 # Write root partition table
612 614 sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
613 615 ${TABLE_SECTORS},${ROOT_SECTORS},83
614 616 EOM
615 617
616 618 # Setup temporary loop devices
617 619 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $IMAGE_NAME-frmw.img)"
618 620 ROOT_LOOP="$(losetup -o 1M -f --show $IMAGE_NAME-root.img)"
619 621 else # ENABLE_SPLITFS=false
620 622 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=${TABLE_SECTORS}
621 623 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek=${IMAGE_SECTORS}
622 624
623 625 # Write partition table
624 626 sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
625 627 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
626 628 ${ROOT_OFFSET},${ROOT_SECTORS},83
627 629 EOM
628 630
629 631 # Setup temporary loop devices
630 632 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $IMAGE_NAME.img)"
631 633 ROOT_LOOP="$(losetup -o 65M -f --show $IMAGE_NAME.img)"
632 634 fi
633 635
634 636 if [ "$ENABLE_CRYPTFS" = true ] ; then
635 637 # Create dummy ext4 fs
636 638 mkfs.ext4 "$ROOT_LOOP"
637 639
638 640 # Setup password keyfile
639 641 touch .password
640 642 chmod 600 .password
641 643 echo -n ${CRYPTFS_PASSWORD} > .password
642 644
643 645 # Initialize encrypted partition
644 646 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
645 647
646 648 # Open encrypted partition and setup mapping
647 649 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
648 650
649 651 # Secure delete password keyfile
650 652 shred -zu .password
651 653
652 654 # Update temporary loop device
653 655 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
654 656
655 657 # Wipe encrypted partition (encryption cipher is used for randomness)
656 658 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count=$(blockdev --getsz "${ROOT_LOOP}")
657 659 fi
658 660
659 661 # Build filesystems
660 662 mkfs.vfat "$FRMW_LOOP"
661 663 mkfs.ext4 "$ROOT_LOOP"
662 664
663 665 # Mount the temporary loop devices
664 666 mkdir -p "$BUILDDIR/mount"
665 667 mount "$ROOT_LOOP" "$BUILDDIR/mount"
666 668
667 669 mkdir -p "$BUILDDIR/mount/boot/firmware"
668 670 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
669 671
670 672 # Copy all files from the chroot to the loop device mount point directory
671 673 rsync -a "${R}/" "$BUILDDIR/mount/"
672 674
673 675 # Unmount all temporary loop devices and mount points
674 676 cleanup
675 677
676 678 # Create block map file(s) of image(s)
677 679 if [ "$ENABLE_SPLITFS" = true ] ; then
678 680 # Create block map files for "bmaptool"
679 681 bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
680 682 bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
681 683
682 684 # Image was successfully created
683 685 echo "$IMAGE_NAME-frmw.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
684 686 echo "$IMAGE_NAME-root.img ($(expr \( ${TABLE_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
685 687 else
686 688 # Create block map file for "bmaptool"
687 689 bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
688 690
689 691 # Image was successfully created
690 692 echo "$IMAGE_NAME.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
691 693 fi
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