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1 1 # rpi23-gen-image
2 2 ## Introduction
3 3 `rpi23-gen-image.sh` is an advanced Debian Linux bootstrapping shell script for generating Debian OS images for Raspberry Pi 2 (RPi2) and Raspberry Pi 3 (RPi3) computers. The script at this time supports the bootstrapping of the Debian (armhf) releases `jessie`, `stretch` and `buster`. Raspberry Pi 3 images are generated for 32-bit mode only. Raspberry Pi 3 64-bit images can be generated using custom configuration parameters (```templates/rpi3-stretch-arm64-4.11.y```).
4 4
5 5 ## Build dependencies
6 6 The following list of Debian packages must be installed on the build system because they are essentially required for the bootstrapping process. The script will check if all required packages are installed and missing packages will be installed automatically if confirmed by the user.
7 7
8 8 ```debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo```
9 9
10 10 It is recommended to configure the `rpi23-gen-image.sh` script to build and install the latest Raspberry Pi Linux kernel. For the RPi3 this is mandatory. Kernel compilation and linking will be performed on the build system using an ARM (armhf) cross-compiler toolchain.
11 11
12 12 The script has been tested using the default `crossbuild-essential-armhf` toolchain meta package on Debian Linux `jessie` and `stretch` build systems. Please check the [Debian CrossToolchains Wiki](https://wiki.debian.org/CrossToolchains) for further information.
13 13
14 14 If a Debian Linux `jessie` build system is used it will be required to add the [Debian Cross-toolchains repository](http://emdebian.org/tools/debian/) first:
15 15
16 16 ```
17 17 echo "deb http://emdebian.org/tools/debian/ jessie main" > /etc/apt/sources.list.d/crosstools.list
18 18 sudo -u nobody wget -O - http://emdebian.org/tools/debian/emdebian-toolchain-archive.key | apt-key add -
19 19 dpkg --add-architecture armhf
20 20 apt-get update
21 21 ```
22 22
23 23 ## Command-line parameters
24 24 The script accepts certain command-line parameters to enable or disable specific OS features, services and configuration settings. These parameters are passed to the `rpi23-gen-image.sh` script via (simple) shell-variables. Unlike environment shell-variables (simple) shell-variables are defined at the beginning of the command-line call of the `rpi23-gen-image.sh` script.
25 25
26 26 ##### Command-line examples:
27 27 ```shell
28 28 ENABLE_UBOOT=true ./rpi23-gen-image.sh
29 29 ENABLE_CONSOLE=false ENABLE_IPV6=false ./rpi23-gen-image.sh
30 30 ENABLE_WM=xfce4 ENABLE_FBTURBO=true ENABLE_MINBASE=true ./rpi23-gen-image.sh
31 31 ENABLE_HARDNET=true ENABLE_IPTABLES=true /rpi23-gen-image.sh
32 32 APT_SERVER=ftp.de.debian.org APT_PROXY="http://127.0.0.1:3142/" ./rpi23-gen-image.sh
33 33 ENABLE_MINBASE=true ./rpi23-gen-image.sh
34 34 BUILD_KERNEL=true ENABLE_MINBASE=true ENABLE_IPV6=false ./rpi23-gen-image.sh
35 35 BUILD_KERNEL=true KERNELSRC_DIR=/tmp/linux ./rpi23-gen-image.sh
36 36 ENABLE_MINBASE=true ENABLE_REDUCE=true ENABLE_MINGPU=true BUILD_KERNEL=true ./rpi23-gen-image.sh
37 37 ENABLE_CRYPTFS=true CRYPTFS_PASSWORD=changeme EXPANDROOT=false ENABLE_MINBASE=true ENABLE_REDUCE=true ENABLE_MINGPU=true BUILD_KERNEL=true ./rpi23-gen-image.sh
38 38 RELEASE=stretch BUILD_KERNEL=true ./rpi23-gen-image.sh
39 39 RPI_MODEL=3 ENABLE_WIRELESS=true ENABLE_MINBASE=true BUILD_KERNEL=true ./rpi23-gen-image.sh
40 40 RELEASE=stretch RPI_MODEL=3 ENABLE_WIRELESS=true ENABLE_MINBASE=true BUILD_KERNEL=true ./rpi23-gen-image.sh
41 41 ```
42 42
43 43 ## Configuration template files
44 44 To avoid long lists of command-line parameters and to help to store the favourite parameter configurations the `rpi23-gen-image.sh` script supports so called configuration template files (`CONFIG_TEMPLATE`=template). These are simple text files located in the `./templates` directory that contain the list of configuration parameters that will be used. New configuration template files can be added to the `./templates` directory.
45 45
46 46 ##### Command-line examples:
47 47 ```shell
48 48 CONFIG_TEMPLATE=rpi3stretch ./rpi23-gen-image.sh
49 49 CONFIG_TEMPLATE=rpi2stretch ./rpi23-gen-image.sh
50 50 ```
51 51
52 52 ## Supported parameters and settings
53 53 #### APT settings:
54 54 ##### `APT_SERVER`="ftp.debian.org"
55 55 Set Debian packages server address. Choose a server from the list of Debian worldwide [mirror sites](https://www.debian.org/mirror/list). Using a nearby server will probably speed-up all required downloads within the bootstrapping process.
56 56
57 57 ##### `APT_PROXY`=""
58 58 Set Proxy server address. Using a local Proxy-Cache like `apt-cacher-ng` will speed-up the bootstrapping process because all required Debian packages will only be downloaded from the Debian mirror site once.
59 59
60 60 ##### `APT_INCLUDES`=""
61 61 A comma separated list of additional packages to be installed by debootstrap during bootstrapping.
62 62
63 63 ##### `APT_INCLUDES_LATE`=""
64 64 A comma separated list of additional packages to be installed by apt after bootstrapping and after APT sources are set up. This is useful for packages with pre-depends, which debootstrap do not handle well.
65 65
66 66 ---
67 67
68 68 #### General system settings:
69 69 ##### `RPI_MODEL`=2
70 Specifiy the target Raspberry Pi hardware model. The script at this time supports the Raspberry Pi models `2` and `3`. `BUILD_KERNEL`=true will automatically be set if the Raspberry Pi model `3` is used.
70 Specifiy the target Raspberry Pi hardware model. The script at this time supports the Raspberry Pi models `2`,`3` and `3B`. `BUILD_KERNEL`=true will automatically be set if the Raspberry Pi model `3` or `3B` is used.
71 71
72 72 ##### `RELEASE`="jessie"
73 73 Set the desired Debian release name. The script at this time supports the bootstrapping of the Debian releases "jessie", "stretch" and "buster". `BUILD_KERNEL`=true will automatically be set if the Debian releases `stretch` or `buster` are used.
74 74
75 75 ##### `RELEASE_ARCH`="armhf"
76 76 Set the desired Debian release architecture.
77 77
78 78 ##### `HOSTNAME`="rpi$RPI_MODEL-$RELEASE"
79 79 Set system host name. It's recommended that the host name is unique in the corresponding subnet.
80 80
81 81 ##### `PASSWORD`="raspberry"
82 82 Set system `root` password. It's **STRONGLY** recommended that you choose a custom password.
83 83
84 84 ##### `USER_PASSWORD`="raspberry"
85 85 Set password for the created non-root user `USER_NAME`=pi. Ignored if `ENABLE_USER`=false. It's **STRONGLY** recommended that you choose a custom password.
86 86
87 87 ##### `DEFLOCAL`="en_US.UTF-8"
88 88 Set default system locale. This setting can also be changed inside the running OS using the `dpkg-reconfigure locales` command. Please note that on using this parameter the script will automatically install the required packages `locales`, `keyboard-configuration` and `console-setup`.
89 89
90 90 ##### `TIMEZONE`="Europe/Berlin"
91 91 Set default system timezone. All available timezones can be found in the `/usr/share/zoneinfo/` directory. This setting can also be changed inside the running OS using the `dpkg-reconfigure tzdata` command.
92 92
93 93 ##### `EXPANDROOT`=true
94 94 Expand the root partition and filesystem automatically on first boot.
95 95
96 96 ---
97 97
98 98 #### Keyboard settings:
99 99 These options are used to configure keyboard layout in `/etc/default/keyboard` for console and Xorg. These settings can also be changed inside the running OS using the `dpkg-reconfigure keyboard-configuration` command.
100 100
101 101 ##### `XKB_MODEL`=""
102 102 Set the name of the model of your keyboard type.
103 103
104 104 ##### `XKB_LAYOUT`=""
105 105 Set the supported keyboard layout(s).
106 106
107 107 ##### `XKB_VARIANT`=""
108 108 Set the supported variant(s) of the keyboard layout(s).
109 109
110 110 ##### `XKB_OPTIONS`=""
111 111 Set extra xkb configuration options.
112 112
113 113 ---
114 114
115 115 #### Networking settings (DHCP):
116 116 This parameter is used to set up networking auto configuration in `/etc/systemd/network/eth.network`. The default location of network configuration files in the Debian `stretch` release was changed to `/lib/systemd/network`.`
117 117
118 118 ##### `ENABLE_DHCP`=true
119 119 Set the system to use DHCP. This requires an DHCP server.
120 120
121 121 ---
122 122
123 123 #### Networking settings (static):
124 124 These parameters are used to set up a static networking configuration in `/etc/systemd/network/eth.network`. The following static networking parameters are only supported if `ENABLE_DHCP` was set to `false`. The default location of network configuration files in the Debian `stretch` release was changed to `/lib/systemd/network`.
125 125
126 126 ##### `NET_ADDRESS`=""
127 127 Set a static IPv4 or IPv6 address and its prefix, separated by "/", eg. "192.169.0.3/24".
128 128
129 129 ##### `NET_GATEWAY`=""
130 130 Set the IP address for the default gateway.
131 131
132 132 ##### `NET_DNS_1`=""
133 133 Set the IP address for the first DNS server.
134 134
135 135 ##### `NET_DNS_2`=""
136 136 Set the IP address for the second DNS server.
137 137
138 138 ##### `NET_DNS_DOMAINS`=""
139 139 Set the default DNS search domains to use for non fully qualified host names.
140 140
141 141 ##### `NET_NTP_1`=""
142 142 Set the IP address for the first NTP server.
143 143
144 144 ##### `NET_NTP_2`=""
145 145 Set the IP address for the second NTP server.
146 146
147 147 ---
148 148
149 149 #### Basic system features:
150 150 ##### `ENABLE_CONSOLE`=true
151 151 Enable serial console interface. Recommended if no monitor or keyboard is connected to the RPi2/3. In case of problems fe. if the network (auto) configuration failed - the serial console can be used to access the system.
152 152
153 153 ##### `ENABLE_I2C`=false
154 154 Enable I2C interface on the RPi2/3. Please check the [RPi2/3 pinout diagrams](http://elinux.org/RPi_Low-level_peripherals) to connect the right GPIO pins.
155 155
156 156 ##### `ENABLE_SPI`=false
157 157 Enable SPI interface on the RPi2/3. Please check the [RPi2/3 pinout diagrams](http://elinux.org/RPi_Low-level_peripherals) to connect the right GPIO pins.
158 158
159 159 ##### `ENABLE_IPV6`=true
160 160 Enable IPv6 support. The network interface configuration is managed via systemd-networkd.
161 161
162 162 ##### `ENABLE_SSHD`=true
163 163 Install and enable OpenSSH service. The default configuration of the service doesn't allow `root` to login. Please use the user `pi` instead and `su -` or `sudo` to execute commands as root.
164 164
165 165 ##### `ENABLE_NONFREE`=false
166 166 Allow the installation of non-free Debian packages that do not comply with the DFSG. This is required to install closed-source firmware binary blobs.
167 167
168 168 ##### `ENABLE_WIRELESS`=false
169 169 Download and install the [closed-source firmware binary blob](https://github.com/RPi-Distro/firmware-nonfree/tree/master/brcm80211/brcm) that is required to run the internal wireless interface of the Raspberry Pi model `3`. This parameter is ignored if the specified `RPI_MODEL` is not `3`.
170 170
171 171 ##### `ENABLE_RSYSLOG`=true
172 172 If set to false, disable and uninstall rsyslog (so logs will be available only
173 173 in journal files)
174 174
175 175 ##### `ENABLE_SOUND`=true
176 176 Enable sound hardware and install Advanced Linux Sound Architecture.
177 177
178 178 ##### `ENABLE_HWRANDOM`=true
179 179 Enable Hardware Random Number Generator. Strong random numbers are important for most network based communications that use encryption. It's recommended to be enabled.
180 180
181 181 ##### `ENABLE_MINGPU`=false
182 182 Minimize the amount of shared memory reserved for the GPU. It doesn't seem to be possible to fully disable the GPU.
183 183
184 184 ##### `ENABLE_DBUS`=true
185 185 Install and enable D-Bus message bus. Please note that systemd should work without D-bus but it's recommended to be enabled.
186 186
187 187 ##### `ENABLE_XORG`=false
188 188 Install Xorg open-source X Window System.
189 189
190 190 ##### `ENABLE_WM`=""
191 191 Install a user defined window manager for the X Window System. To make sure all X related package dependencies are getting installed `ENABLE_XORG` will automatically get enabled if `ENABLE_WM` is used. The `rpi23-gen-image.sh` script has been tested with the following list of window managers: `blackbox`, `openbox`, `fluxbox`, `jwm`, `dwm`, `xfce4`, `awesome`.
192 192
193 193 ---
194 194
195 195 #### Advanced system features:
196 196 ##### `ENABLE_MINBASE`=false
197 197 Use debootstrap script variant `minbase` which only includes essential packages and apt. This will reduce the disk usage by about 65 MB.
198 198
199 199 ##### `ENABLE_REDUCE`=false
200 200 Reduce the disk space usage by deleting packages and files. See `REDUCE_*` parameters for detailed information.
201 201
202 202 ##### `ENABLE_UBOOT`=false
203 203 Replace the default RPi2/3 second stage bootloader (bootcode.bin) with [U-Boot bootloader](http://git.denx.de/?p=u-boot.git;a=summary). U-Boot can boot images via the network using the BOOTP/TFTP protocol.
204 204
205 205 ##### `UBOOTSRC_DIR`=""
206 206 Path to a directory (`u-boot`) of [U-Boot bootloader sources](http://git.denx.de/?p=u-boot.git;a=summary) that will be copied, configured, build and installed inside the chroot.
207 207
208 208 ##### `ENABLE_FBTURBO`=false
209 209 Install and enable the [hardware accelerated Xorg video driver](https://github.com/ssvb/xf86-video-fbturbo) `fbturbo`. Please note that this driver is currently limited to hardware accelerated window moving and scrolling.
210 210
211 211 ##### `FBTURBOSRC_DIR`=""
212 212 Path to a directory (`xf86-video-fbturbo`) of [hardware accelerated Xorg video driver sources](https://github.com/ssvb/xf86-video-fbturbo) that will be copied, configured, build and installed inside the chroot.
213 213
214 214 ##### `ENABLE_IPTABLES`=false
215 215 Enable iptables IPv4/IPv6 firewall. Simplified ruleset: Allow all outgoing connections. Block all incoming connections except to OpenSSH service.
216 216
217 217 ##### `ENABLE_USER`=true
218 218 Create non-root user with password `USER_PASSWORD`=raspberry. Unless overridden with `USER_NAME`=user, username will be `pi`.
219 219
220 220 ##### `USER_NAME`=pi
221 221 Non-root user to create. Ignored if `ENABLE_USER`=false
222 222
223 223 ##### `ENABLE_ROOT`=false
224 224 Set root user password so root login will be enabled
225 225
226 226 ##### `ENABLE_HARDNET`=false
227 227 Enable IPv4/IPv6 network stack hardening settings.
228 228
229 229 ##### `ENABLE_SPLITFS`=false
230 230 Enable having root partition on an USB drive by creating two image files: one for the `/boot/firmware` mount point, and another for `/`.
231 231
232 232 ##### `CHROOT_SCRIPTS`=""
233 233 Path to a directory with scripts that should be run in the chroot before the image is finally built. Every executable file in this directory is run in lexicographical order.
234 234
235 235 ##### `ENABLE_INITRAMFS`=false
236 236 Create an initramfs that that will be loaded during the Linux startup process. `ENABLE_INITRAMFS` will automatically get enabled if `ENABLE_CRYPTFS`=true. This parameter will be ignored if `BUILD_KERNEL`=false.
237 237
238 238 ##### `ENABLE_IFNAMES`=true
239 239 Enable automatic assignment of predictable, stable network interface names for all local Ethernet, WLAN interfaces. This might create complex and long interface names. This parameter is only supported if the Debian releases `stretch` or `buster` are used.
240 240
241 241 ##### `DISABLE_UNDERVOLT_WARNINGS`=
242 242 Disable RPi2/3 under-voltage warnings and overlays. Setting the parameter to `1` will disable the warning overlay. Setting it to `2` will additionally allow RPi2/3 turbo mode when low-voltage is present.
243 243
244 244 ---
245 245
246 246 #### SSH settings:
247 247 ##### `SSH_ENABLE_ROOT`=false
248 248 Enable password root login via SSH. This may be a security risk with default password, use only in trusted environments. `ENABLE_ROOT` must be set to `true`.
249 249
250 250 ##### `SSH_DISABLE_PASSWORD_AUTH`=false
251 251 Disable password based SSH authentication. Only public key based SSH (v2) authentication will be supported.
252 252
253 253 ##### `SSH_LIMIT_USERS`=false
254 254 Limit the users that are allowed to login via SSH. Only allow user `USER_NAME`=pi and root if `SSH_ENABLE_ROOT`=true to login. This parameter will be ignored if `dropbear` SSH is used (`REDUCE_SSHD`=true).
255 255
256 256 ##### `SSH_ROOT_PUB_KEY`=""
257 257 Add SSH (v2) public key(s) from specified file to `authorized_keys` file to enable public key based SSH (v2) authentication of user `root`. The specified file can also contain multiple SSH (v2) public keys. SSH protocol version 1 is not supported. `ENABLE_ROOT` **and** `SSH_ENABLE_ROOT` must be set to `true`.
258 258
259 259 ##### `SSH_USER_PUB_KEY`=""
260 260 Add SSH (v2) public key(s) from specified file to `authorized_keys` file to enable public key based SSH (v2) authentication of user `USER_NAME`=pi. The specified file can also contain multiple SSH (v2) public keys. SSH protocol version 1 is not supported.
261 261
262 262 ---
263 263
264 264 #### Kernel compilation:
265 265 ##### `BUILD_KERNEL`=false
266 266 Build and install the latest RPi2/3 Linux kernel. Currently only the default RPi2/3 kernel configuration is used. `BUILD_KERNEL`=true will automatically be set if the Raspberry Pi model `3` is used.
267 267
268 268 ##### `CROSS_COMPILE`="arm-linux-gnueabihf-"
269 269 This sets the cross compile enviornment for the compiler.
270 270
271 271 ##### `KERNEL_ARCH`="arm"
272 272 This sets the kernel architecture for the compiler.
273 273
274 274 ##### `KERNEL_IMAGE`="kernel7.img"
275 275 Name of the image file in the boot partition. If not set, `KERNEL_IMAGE` will be set to "kernel8.img" automatically if building for arm64.
276 276
277 277 ##### `KERNEL_BRANCH`=""
278 278 Name of the requested branch from the GIT location for the RPi Kernel. Default is using the current default branch from the GIT site.
279 279
280 280 ##### `QEMU_BINARY`="/usr/bin/qemu-arm-static"
281 281 Sets the QEMU enviornment for the Debian archive. If not set, `QEMU_BINARY` will be set to "/usr/bin/qemu-aarch64-static" automatically if building for arm64.
282 282
283 283 ##### `KERNEL_DEFCONFIG`="bcm2709_defconfig"
284 284 Sets the default config for kernel compiling. If not set, `KERNEL_DEFCONFIG` will be set to "bcmrpi3\_defconfig" automatically if building for arm64.
285 285
286 286 ##### `KERNEL_REDUCE`=false
287 287 Reduce the size of the generated kernel by removing unwanted device, network and filesystem drivers (experimental).
288 288
289 289 ##### `KERNEL_THREADS`=1
290 290 Number of parallel kernel building threads. If the parameter is left untouched the script will automatically determine the number of CPU cores to set the number of parallel threads to speed the kernel compilation.
291 291
292 292 ##### `KERNEL_HEADERS`=true
293 293 Install kernel headers with built kernel.
294 294
295 295 ##### `KERNEL_MENUCONFIG`=false
296 296 Start `make menuconfig` interactive menu-driven kernel configuration. The script will continue after `make menuconfig` was terminated.
297 297
298 298 ##### `KERNEL_OLDDEFCONFIG`=false
299 299 Run `make olddefconfig` to automatically set all new kernel configuration options to their recommended default values.
300 300
301 301 ##### `KERNEL_CCACHE`=false
302 302 Compile the kernel using ccache. This speeds up kernel recompilation by caching previous compilations and detecting when the same compilation is being done again.
303 303
304 304 ##### `KERNEL_REMOVESRC`=true
305 305 Remove all kernel sources from the generated OS image after it was built and installed.
306 306
307 307 ##### `KERNELSRC_DIR`=""
308 308 Path to a directory (`linux`) of [RaspberryPi Linux kernel sources](https://github.com/raspberrypi/linux) that will be copied, configured, build and installed inside the chroot.
309 309
310 310 ##### `KERNELSRC_CLEAN`=false
311 311 Clean the existing kernel sources directory `KERNELSRC_DIR` (using `make mrproper`) after it was copied to the chroot and before the compilation of the kernel has started. This parameter will be ignored if no `KERNELSRC_DIR` was specified or if `KERNELSRC_PREBUILT`=true.
312 312
313 313 ##### `KERNELSRC_CONFIG`=true
314 314 Run `make bcm2709_defconfig` (and optional `make menuconfig`) to configure the kernel sources before building. This parameter is automatically set to `true` if no existing kernel sources directory was specified using `KERNELSRC_DIR`. This parameter is ignored if `KERNELSRC_PREBUILT`=true.
315 315
316 316 ##### `KERNELSRC_USRCONFIG`=""
317 317 Copy own config file to kernel `.config`. If `KERNEL_MENUCONFIG`=true then running after copy.
318 318
319 319 ##### `KERNELSRC_PREBUILT`=false
320 320 With this parameter set to true the script expects the existing kernel sources directory to be already successfully cross-compiled. The parameters `KERNELSRC_CLEAN`, `KERNELSRC_CONFIG`, `KERNELSRC_USRCONFIG` and `KERNEL_MENUCONFIG` are ignored and no kernel compilation tasks are performed.
321 321
322 322 ##### `RPI_FIRMWARE_DIR`=""
323 323 The directory (`firmware`) containing a local copy of the firmware from the [RaspberryPi firmware project](https://github.com/raspberrypi/firmware). Default is to download the latest firmware directly from the project.
324 324
325 325 ---
326 326
327 327 #### Reduce disk usage:
328 328 The following list of parameters is ignored if `ENABLE_REDUCE`=false.
329 329
330 330 ##### `REDUCE_APT`=true
331 331 Configure APT to use compressed package repository lists and no package caching files.
332 332
333 333 ##### `REDUCE_DOC`=true
334 334 Remove all doc files (harsh). Configure APT to not include doc files on future `apt-get` package installations.
335 335
336 336 ##### `REDUCE_MAN`=true
337 337 Remove all man pages and info files (harsh). Configure APT to not include man pages on future `apt-get` package installations.
338 338
339 339 ##### `REDUCE_VIM`=false
340 340 Replace `vim-tiny` package by `levee` a tiny vim clone.
341 341
342 342 ##### `REDUCE_BASH`=false
343 343 Remove `bash` package and switch to `dash` shell (experimental).
344 344
345 345 ##### `REDUCE_HWDB`=true
346 346 Remove PCI related hwdb files (experimental).
347 347
348 348 ##### `REDUCE_SSHD`=true
349 349 Replace `openssh-server` with `dropbear`.
350 350
351 351 ##### `REDUCE_LOCALE`=true
352 352 Remove all `locale` translation files.
353 353
354 354 ---
355 355
356 356 #### Encrypted root partition:
357 357 ##### `ENABLE_CRYPTFS`=false
358 358 Enable full system encryption with dm-crypt. Setup a fully LUKS encrypted root partition (aes-xts-plain64:sha512) and generate required initramfs. The /boot directory will not be encrypted. This parameter will be ignored if `BUILD_KERNEL`=false. `ENABLE_CRYPTFS` is experimental. SSH-to-initramfs is currently not supported but will be soon - feel free to help.
359 359
360 360 ##### `CRYPTFS_PASSWORD`=""
361 361 Set password of the encrypted root partition. This parameter is mandatory if `ENABLE_CRYPTFS`=true.
362 362
363 363 ##### `CRYPTFS_MAPPING`="secure"
364 364 Set name of dm-crypt managed device-mapper mapping.
365 365
366 366 ##### `CRYPTFS_CIPHER`="aes-xts-plain64:sha512"
367 367 Set cipher specification string. `aes-xts*` ciphers are strongly recommended.
368 368
369 369 ##### `CRYPTFS_XTSKEYSIZE`=512
370 370 Sets key size in bits. The argument has to be a multiple of 8.
371 371
372 372 ---
373 373
374 374 #### Build settings:
375 375 ##### `BASEDIR`=$(pwd)/images/${RELEASE}
376 376 Set a path to a working directory used by the script to generate an image.
377 377
378 378 ##### `IMAGE_NAME`=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}
379 379 Set a filename for the output file(s). Note: the script will create $IMAGE_NAME.img if `ENABLE_SPLITFS`=false or $IMAGE_NAME-frmw.img and $IMAGE_NAME-root.img if `ENABLE_SPLITFS`=true. Note 2: If the KERNEL_BRANCH is not set, the word "CURRENT" is used.
380 380
381 381 ## Understanding the script
382 382 The functions of this script that are required for the different stages of the bootstrapping are split up into single files located inside the `bootstrap.d` directory. During the bootstrapping every script in this directory gets executed in lexicographical order:
383 383
384 384 | Script | Description |
385 385 | --- | --- |
386 386 | `10-bootstrap.sh` | Debootstrap basic system |
387 387 | `11-apt.sh` | Setup APT repositories |
388 388 | `12-locale.sh` | Setup Locales and keyboard settings |
389 389 | `13-kernel.sh` | Build and install RPi2/3 Kernel |
390 390 | `14-fstab.sh` | Setup fstab and initramfs |
391 391 | `15-rpi-config.sh` | Setup RPi2/3 config and cmdline |
392 392 | `20-networking.sh` | Setup Networking |
393 393 | `21-firewall.sh` | Setup Firewall |
394 394 | `30-security.sh` | Setup Users and Security settings |
395 395 | `31-logging.sh` | Setup Logging |
396 396 | `32-sshd.sh` | Setup SSH and public keys |
397 397 | `41-uboot.sh` | Build and Setup U-Boot |
398 398 | `42-fbturbo.sh` | Build and Setup fbturbo Xorg driver |
399 399 | `50-firstboot.sh` | First boot actions |
400 400 | `99-reduce.sh` | Reduce the disk space usage |
401 401
402 402 All the required configuration files that will be copied to the generated OS image are located inside the `files` directory. It is not recommended to modify these configuration files manually.
403 403
404 404 | Directory | Description |
405 405 | --- | --- |
406 406 | `apt` | APT management configuration files |
407 407 | `boot` | Boot and RPi2/3 configuration files |
408 408 | `dpkg` | Package Manager configuration |
409 409 | `etc` | Configuration files and rc scripts |
410 410 | `firstboot` | Scripts that get executed on first boot |
411 411 | `initramfs` | Initramfs scripts |
412 412 | `iptables` | Firewall configuration files |
413 413 | `locales` | Locales configuration |
414 414 | `modules` | Kernel Modules configuration |
415 415 | `mount` | Fstab configuration |
416 416 | `network` | Networking configuration files |
417 417 | `sysctl.d` | Swapping and Network Hardening configuration |
418 418 | `xorg` | fbturbo Xorg driver configuration |
419 419
420 420 ## Custom packages and scripts
421 421 Debian custom packages, i.e. those not in the debian repositories, can be installed by placing them in the `packages` directory. They are installed immediately after packages from the repositories are installed. Any dependencies listed in the custom packages will be downloaded automatically from the repositories. Do not list these custom packages in `APT_INCLUDES`.
422 422
423 423 Scripts in the custom.d directory will be executed after all other installation is complete but before the image is created.
424 424
425 425 ## Logging of the bootstrapping process
426 426 All information related to the bootstrapping process and the commands executed by the `rpi23-gen-image.sh` script can easily be saved into a logfile. The common shell command `script` can be used for this purpose:
427 427
428 428 ```shell
429 429 script -c 'APT_SERVER=ftp.de.debian.org ./rpi23-gen-image.sh' ./build.log
430 430 ```
431 431
432 432 ## Flashing the image file
433 433 After the image file was successfully created by the `rpi23-gen-image.sh` script it can be copied to the microSD card that will be used by the RPi2/3 computer. This can be performed by using the tools `bmaptool` or `dd`. Using `bmaptool` will probably speed-up the copy process because `bmaptool` copies more wisely than `dd`.
434 434
435 435 ##### Flashing examples:
436 436 ```shell
437 437 bmaptool copy ./images/jessie/2017-01-23-rpi3-jessie.img /dev/mmcblk0
438 438 dd bs=4M if=./images/jessie/2017-01-23-rpi3-jessie.img of=/dev/mmcblk0
439 439 ```
440 440 If you have set `ENABLE_SPLITFS`, copy the `-frmw` image on the microSD card, then the `-root` one on the USB drive:
441 441 ```shell
442 442 bmaptool copy ./images/jessie/2017-01-23-rpi3-jessie-frmw.img /dev/mmcblk0
443 443 bmaptool copy ./images/jessie/2017-01-23-rpi3-jessie-root.img /dev/sdc
444 444 ```
445 445 ## Weekly image builds
446 446 The image files are provided by JRWR'S I/O PORT and are built once a Sunday at midnight UTC!
447 447 * [Debian Stretch Raspberry Pi2/3 Weekly Image Builds](https://jrwr.io/doku.php?id=projects:debianpi)
448 448
449 449 ## External links and references
450 450 * [Debian worldwide mirror sites](https://www.debian.org/mirror/list)
451 451 * [Debian Raspberry Pi 2 Wiki](https://wiki.debian.org/RaspberryPi2)
452 452 * [Debian CrossToolchains Wiki](https://wiki.debian.org/CrossToolchains)
453 453 * [Official Raspberry Pi Firmware on github](https://github.com/raspberrypi/firmware)
454 454 * [Official Raspberry Pi Kernel on github](https://github.com/raspberrypi/linux)
455 455 * [U-BOOT git repository](http://git.denx.de/?p=u-boot.git;a=summary)
456 456 * [Xorg DDX driver fbturbo](https://github.com/ssvb/xf86-video-fbturbo)
457 457 * [RPi3 Wireless interface firmware](https://github.com/RPi-Distro/firmware-nonfree/tree/master/brcm80211/brcm)
458 458 * [Collabora RPi2 Kernel precompiled](https://repositories.collabora.co.uk/debian/)
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@@ -1,107 +1,134
1 1 #
2 2 # Setup Networking
3 3 #
4 4
5 5 # Load utility functions
6 6 . ./functions.sh
7 7
8 8 # Install and setup hostname
9 9 install_readonly files/network/hostname "${ETC_DIR}/hostname"
10 10 sed -i "s/^rpi2-jessie/${HOSTNAME}/" "${ETC_DIR}/hostname"
11 11
12 12 # Install and setup hosts
13 13 install_readonly files/network/hosts "${ETC_DIR}/hosts"
14 14 sed -i "s/rpi2-jessie/${HOSTNAME}/" "${ETC_DIR}/hosts"
15 15
16 16 # Setup hostname entry with static IP
17 17 if [ "$NET_ADDRESS" != "" ] ; then
18 18 NET_IP=$(echo "${NET_ADDRESS}" | cut -f 1 -d'/')
19 19 sed -i "s/^127.0.1.1/${NET_IP}/" "${ETC_DIR}/hosts"
20 20 fi
21 21
22 22 # Remove IPv6 hosts
23 23 if [ "$ENABLE_IPV6" = false ] ; then
24 24 sed -i -e "/::[1-9]/d" -e "/^$/d" "${ETC_DIR}/hosts"
25 25 fi
26 26
27 27 # Install hint about network configuration
28 28 install_readonly files/network/interfaces "${ETC_DIR}/network/interfaces"
29 29
30 30 # Install configuration for interface eth0
31 31 install_readonly files/network/eth.network "${ETC_DIR}/systemd/network/eth.network"
32 32
33 # Install configuration for interface wl*
34 install_readonly files/network/wlan.network "${ETC_DIR}/systemd/network/wlan.network"
35
36 #always with dhcp since wpa_supplicant integration is missing
37 sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETC_DIR}/systemd/network/wlan.network"
38
33 39 if [ "$ENABLE_DHCP" = true ] ; then
34 40 # Enable DHCP configuration for interface eth0
35 41 sed -i -e "s/DHCP=.*/DHCP=yes/" -e "/DHCP/q" "${ETC_DIR}/systemd/network/eth.network"
36 42
37 43 # Set DHCP configuration to IPv4 only
38 44 if [ "$ENABLE_IPV6" = false ] ; then
39 45 sed -i "s/DHCP=.*/DHCP=v4/" "${ETC_DIR}/systemd/network/eth.network"
40 46 fi
41 47
42 48 else # ENABLE_DHCP=false
43 49 # Set static network configuration for interface eth0
44 50 sed -i\
45 51 -e "s|DHCP=.*|DHCP=no|"\
46 52 -e "s|Address=\$|Address=${NET_ADDRESS}|"\
47 53 -e "s|Gateway=\$|Gateway=${NET_GATEWAY}|"\
48 54 -e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_DNS_1}|"\
49 55 -e "0,/DNS=\$/ s|DNS=\$|DNS=${NET_DNS_2}|"\
50 56 -e "s|Domains=\$|Domains=${NET_DNS_DOMAINS}|"\
51 57 -e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_NTP_1}|"\
52 58 -e "0,/NTP=\$/ s|NTP=\$|NTP=${NET_NTP_2}|"\
53 59 "${ETC_DIR}/systemd/network/eth.network"
54 60 fi
55 61
56 62 # Remove empty settings from network configuration
57 63 sed -i "/.*=\$/d" "${ETC_DIR}/systemd/network/eth.network"
64 # Remove empty settings from wlan configuration
65 sed -i "/.*=\$/d" "${ETC_DIR}/systemd/network/wlan.network"
58 66
59 67 # Move systemd network configuration if required by Debian release
60 68 if [ "$RELEASE" = "stretch" ] || [ "$RELEASE" = "buster" ] ; then
61 69 mv -v "${ETC_DIR}/systemd/network/eth.network" "${LIB_DIR}/systemd/network/10-eth.network"
70 if [ "$ENABLE_WIRELESS" = true ] ; then
71 mv -v "${ETC_DIR}/systemd/network/wlan.network" "${LIB_DIR}/systemd/network/11-wlan.network"
72 fi
62 73 rm -fr "${ETC_DIR}/systemd/network"
63 74 fi
64 75
65 76 # Enable systemd-networkd service
66 77 chroot_exec systemctl enable systemd-networkd
67 78
68 79 # Install host.conf resolver configuration
69 80 install_readonly files/network/host.conf "${ETC_DIR}/host.conf"
70 81
71 82 # Enable network stack hardening
72 83 if [ "$ENABLE_HARDNET" = true ] ; then
73 84 # Install sysctl.d configuration files
74 85 install_readonly files/sysctl.d/82-rpi-net-hardening.conf "${ETC_DIR}/sysctl.d/82-rpi-net-hardening.conf"
75 86
76 87 # Setup resolver warnings about spoofed addresses
77 88 sed -i "s/^# spoof warn/spoof warn/" "${ETC_DIR}/host.conf"
78 89 fi
79 90
80 91 # Enable time sync
81 92 if [ "NET_NTP_1" != "" ] ; then
82 93 chroot_exec systemctl enable systemd-timesyncd.service
83 94 fi
84 95
85 96 # Download the firmware binary blob required to use the RPi3 wireless interface
86 97 if [ "$ENABLE_WIRELESS" = true ] ; then
87 98 if [ ! -d ${WLAN_FIRMWARE_DIR} ] ; then
88 99 mkdir -p ${WLAN_FIRMWARE_DIR}
89 100 fi
90 101
91 102 # Create temporary directory for firmware binary blob
92 103 temp_dir=$(as_nobody mktemp -d)
93 104
94 # Fetch firmware binary blob
105 # Fetch firmware binary blob for RPI3B+
106 if [ "$RPI_MODEL" = 3B ] ; then
107 as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.bin" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.bin"
108 as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.txt" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.txt"
109 as_nobody wget -q -O "${temp_dir}/brcmfmac43455-sdio.clm_blob" "${WLAN_FIRMWARE_URL}/brcmfmac43455-sdio.clm_blob"
110 else
111 # Fetch firmware binary blob for RPI3
95 112 as_nobody wget -q -O "${temp_dir}/brcmfmac43430-sdio.bin" "${WLAN_FIRMWARE_URL}/brcmfmac43430-sdio.bin"
96 113 as_nobody wget -q -O "${temp_dir}/brcmfmac43430-sdio.txt" "${WLAN_FIRMWARE_URL}/brcmfmac43430-sdio.txt"
114 fi
97 115
98 116 # Move downloaded firmware binary blob
117 if [ "$RPI_MODEL" = 3B ] ; then
118 mv "${temp_dir}/brcmfmac43455-sdio."* "${WLAN_FIRMWARE_DIR}/"
119 else
99 120 mv "${temp_dir}/brcmfmac43430-sdio."* "${WLAN_FIRMWARE_DIR}/"
121 fi
100 122
101 123 # Remove temporary directory for firmware binary blob
102 124 rm -fr "${temp_dir}"
103 125
104 126 # Set permissions of the firmware binary blob
127 if [ "$RPI_MODEL" = 3B ] ; then
128 chown root:root "${WLAN_FIRMWARE_DIR}/brcmfmac43455-sdio."*
129 chmod 600 "${WLAN_FIRMWARE_DIR}/brcmfmac43455-sdio."*
130 else
105 131 chown root:root "${WLAN_FIRMWARE_DIR}/brcmfmac43430-sdio."*
106 132 chmod 600 "${WLAN_FIRMWARE_DIR}/brcmfmac43430-sdio."*
107 133 fi
134 fi
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@@ -1,665 +1,671
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=${RPI_MODEL:=2}
45 45 RPI2_DTB_FILE=${RPI2_DTB_FILE:=bcm2709-rpi-2-b.dtb}
46 46 RPI2_UBOOT_CONFIG=${RPI2_UBOOT_CONFIG:=rpi_2_defconfig}
47 47 RPI3_DTB_FILE=${RPI3_DTB_FILE:=bcm2710-rpi-3-b.dtb}
48 48 RPI3_UBOOT_CONFIG=${RPI3_UBOOT_CONFIG:=rpi_3_32b_defconfig}
49 RPI3B_DTB_FILE=${RPI3B_DTB_FILE:=bcm2710-rpi-3-b-plus.dtb}
50 RPI3B_UBOOT_CONFIG=${RPI3_UBOOT_CONFIG:=rpi_3_32b_defconfig}
49 51
50 52 # Debian release
51 53 RELEASE=${RELEASE:=jessie}
52 54 KERNEL_ARCH=${KERNEL_ARCH:=arm}
53 55 RELEASE_ARCH=${RELEASE_ARCH:=armhf}
54 56 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
55 57 COLLABORA_KERNEL=${COLLABORA_KERNEL:=3.18.0-trunk-rpi2}
56 58 if [ "$KERNEL_ARCH" = "arm64" ] ; then
57 59 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
58 60 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
59 61 else
60 62 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
61 63 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
62 64 fi
63 65 if [ "$RELEASE_ARCH" = "arm64" ] ; then
64 66 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
65 67 else
66 68 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
67 69 fi
68 70 KERNEL_BRANCH=${KERNEL_BRANCH:=""}
69 71
70 72 # URLs
71 73 KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}
72 74 FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}
73 75 WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm}
74 76 COLLABORA_URL=${COLLABORA_URL:=https://repositories.collabora.co.uk/debian}
75 77 FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}
76 78 UBOOT_URL=${UBOOT_URL:=git://git.denx.de/u-boot.git}
77 79
78 80 # Build directories
79 81 BASEDIR=${BASEDIR:=$(pwd)/images/${RELEASE}}
80 82 BUILDDIR="${BASEDIR}/build"
81 83
82 84 # Prepare date string for default image file name
83 85 DATE="$(date +%Y-%m-%d)"
84 86 if [ -z "$KERNEL_BRANCH" ] ; then
85 87 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
86 88 else
87 89 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
88 90 fi
89 91
90 92 # Chroot directories
91 93 R="${BUILDDIR}/chroot"
92 94 ETC_DIR="${R}/etc"
93 95 LIB_DIR="${R}/lib"
94 96 BOOT_DIR="${R}/boot/firmware"
95 97 KERNEL_DIR="${R}/usr/src/linux"
96 98 WLAN_FIRMWARE_DIR="${R}/lib/firmware/brcm"
97 99
98 100 # Firmware directory: Blank if download from github
99 101 RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}
100 102
101 103 # General settings
102 104 HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}
103 105 PASSWORD=${PASSWORD:=raspberry}
104 106 USER_PASSWORD=${USER_PASSWORD:=raspberry}
105 107 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
106 108 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
107 109 EXPANDROOT=${EXPANDROOT:=true}
108 110
109 111 # Keyboard settings
110 112 XKB_MODEL=${XKB_MODEL:=""}
111 113 XKB_LAYOUT=${XKB_LAYOUT:=""}
112 114 XKB_VARIANT=${XKB_VARIANT:=""}
113 115 XKB_OPTIONS=${XKB_OPTIONS:=""}
114 116
115 117 # Network settings (DHCP)
116 118 ENABLE_DHCP=${ENABLE_DHCP:=true}
117 119
118 120 # Network settings (static)
119 121 NET_ADDRESS=${NET_ADDRESS:=""}
120 122 NET_GATEWAY=${NET_GATEWAY:=""}
121 123 NET_DNS_1=${NET_DNS_1:=""}
122 124 NET_DNS_2=${NET_DNS_2:=""}
123 125 NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
124 126 NET_NTP_1=${NET_NTP_1:=""}
125 127 NET_NTP_2=${NET_NTP_2:=""}
126 128
127 129 # APT settings
128 130 APT_PROXY=${APT_PROXY:=""}
129 131 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
130 132
131 133 # Feature settings
132 134 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
133 135 ENABLE_I2C=${ENABLE_I2C:=false}
134 136 ENABLE_SPI=${ENABLE_SPI:=false}
135 137 ENABLE_IPV6=${ENABLE_IPV6:=true}
136 138 ENABLE_SSHD=${ENABLE_SSHD:=true}
137 139 ENABLE_NONFREE=${ENABLE_NONFREE:=false}
138 140 ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
139 141 ENABLE_SOUND=${ENABLE_SOUND:=true}
140 142 ENABLE_DBUS=${ENABLE_DBUS:=true}
141 143 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
142 144 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
143 145 ENABLE_XORG=${ENABLE_XORG:=false}
144 146 ENABLE_WM=${ENABLE_WM:=""}
145 147 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
146 148 ENABLE_USER=${ENABLE_USER:=true}
147 149 USER_NAME=${USER_NAME:="pi"}
148 150 ENABLE_ROOT=${ENABLE_ROOT:=false}
149 151
150 152 # SSH settings
151 153 SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
152 154 SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
153 155 SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
154 156 SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
155 157 SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
156 158
157 159 # Advanced settings
158 160 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
159 161 ENABLE_REDUCE=${ENABLE_REDUCE:=false}
160 162 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
161 163 UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
162 164 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
163 165 FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
164 166 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
165 167 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
166 168 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
167 169 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
168 170 ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
169 171 DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
170 172
171 173 # Kernel compilation settings
172 174 BUILD_KERNEL=${BUILD_KERNEL:=false}
173 175 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
174 176 KERNEL_THREADS=${KERNEL_THREADS:=1}
175 177 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
176 178 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
177 179 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
178 180 KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
179 181 KERNEL_CCACHE=${KERNEL_CCACHE:=false}
180 182
181 183 if [ "$KERNEL_ARCH" = "arm64" ] ; then
182 184 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
183 185 else
184 186 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
185 187 fi
186 188
187 189 # Kernel compilation from source directory settings
188 190 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
189 191 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
190 192 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
191 193 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
192 194
193 195 # Reduce disk usage settings
194 196 REDUCE_APT=${REDUCE_APT:=true}
195 197 REDUCE_DOC=${REDUCE_DOC:=true}
196 198 REDUCE_MAN=${REDUCE_MAN:=true}
197 199 REDUCE_VIM=${REDUCE_VIM:=false}
198 200 REDUCE_BASH=${REDUCE_BASH:=false}
199 201 REDUCE_HWDB=${REDUCE_HWDB:=true}
200 202 REDUCE_SSHD=${REDUCE_SSHD:=true}
201 203 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
202 204
203 205 # Encrypted filesystem settings
204 206 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
205 207 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
206 208 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
207 209 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
208 210 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
209 211
210 212 # Stop the Crypto Wars
211 213 DISABLE_FBI=${DISABLE_FBI:=false}
212 214
213 215 # Chroot scripts directory
214 216 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
215 217
216 218 # Packages required in the chroot build environment
217 219 APT_INCLUDES=${APT_INCLUDES:=""}
218 220 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils"
219 221
220 222 # Packages required for bootstrapping
221 223 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo"
222 224 MISSING_PACKAGES=""
223 225
224 226 # Packages installed for c/c++ build environment in chroot (keep empty)
225 227 COMPILER_PACKAGES=""
226 228
227 229 set +x
228 230
229 231 # Set Raspberry Pi model specific configuration
230 232 if [ "$RPI_MODEL" = 2 ] ; then
231 233 DTB_FILE=${RPI2_DTB_FILE}
232 234 UBOOT_CONFIG=${RPI2_UBOOT_CONFIG}
233 235 elif [ "$RPI_MODEL" = 3 ] ; then
234 236 DTB_FILE=${RPI3_DTB_FILE}
235 237 UBOOT_CONFIG=${RPI3_UBOOT_CONFIG}
236 238 BUILD_KERNEL=true
239 elif [ "$RPI_MODEL" = 3B ] ; then
240 DTB_FILE=${RPI3B_DTB_FILE}
241 UBOOT_CONFIG=${RPI3B_UBOOT_CONFIG}
242 BUILD_KERNEL=true
237 243 else
238 244 echo "error: Raspberry Pi model ${RPI_MODEL} is not supported!"
239 245 exit 1
240 246 fi
241 247
242 248 # Check if the internal wireless interface is supported by the RPi model
243 if [ "$ENABLE_WIRELESS" = true ] && [ "$RPI_MODEL" != 3 ] ; then
249 if [ "$ENABLE_WIRELESS" = true ] && [ "$RPI_MODEL" = 2 ]; then
244 250 echo "error: The selected Raspberry Pi model has no internal wireless interface"
245 251 exit 1
246 252 fi
247 253
248 254 # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
249 255 if [ ! -z "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
250 256 if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
251 257 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
252 258 exit 1
253 259 fi
254 260 fi
255 261
256 262 # Build RPi2/3 Linux kernel if required by Debian release
257 263 if [ "$RELEASE" = "stretch" ] || [ "$RELEASE" = "buster" ] ; then
258 264 BUILD_KERNEL=true
259 265 fi
260 266
261 267 # Add packages required for kernel cross compilation
262 268 if [ "$BUILD_KERNEL" = true ] ; then
263 269 if [ "$KERNEL_ARCH" = "arm" ] ; then
264 270 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
265 271 else
266 272 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
267 273 fi
268 274 fi
269 275
270 276 # Add libncurses5 to enable kernel menuconfig
271 277 if [ "$KERNEL_MENUCONFIG" = true ] ; then
272 278 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses5-dev"
273 279 fi
274 280
275 281 # Add ccache compiler cache for (faster) kernel cross (re)compilation
276 282 if [ "$KERNEL_CCACHE" = true ] ; then
277 283 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
278 284 fi
279 285
280 286 # Stop the Crypto Wars
281 287 if [ "$DISABLE_FBI" = true ] ; then
282 288 ENABLE_CRYPTFS=true
283 289 fi
284 290
285 291 # Add cryptsetup package to enable filesystem encryption
286 292 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
287 293 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
288 294 APT_INCLUDES="${APT_INCLUDES},cryptsetup"
289 295
290 296 if [ -z "$CRYPTFS_PASSWORD" ] ; then
291 297 echo "error: no password defined (CRYPTFS_PASSWORD)!"
292 298 exit 1
293 299 fi
294 300 ENABLE_INITRAMFS=true
295 301 fi
296 302
297 303 # Add initramfs generation tools
298 304 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
299 305 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
300 306 fi
301 307
302 308 # Add device-tree-compiler required for building the U-Boot bootloader
303 309 if [ "$ENABLE_UBOOT" = true ] ; then
304 310 APT_INCLUDES="${APT_INCLUDES},device-tree-compiler"
305 311 fi
306 312
307 313 # Check if root SSH (v2) public key file exists
308 314 if [ ! -z "$SSH_ROOT_PUB_KEY" ] ; then
309 315 if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
310 316 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
311 317 exit 1
312 318 fi
313 319 fi
314 320
315 321 # Check if $USER_NAME SSH (v2) public key file exists
316 322 if [ ! -z "$SSH_USER_PUB_KEY" ] ; then
317 323 if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
318 324 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
319 325 exit 1
320 326 fi
321 327 fi
322 328
323 329 # Check if all required packages are installed on the build system
324 330 for package in $REQUIRED_PACKAGES ; do
325 331 if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
326 332 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
327 333 fi
328 334 done
329 335
330 336 # If there are missing packages ask confirmation for install, or exit
331 337 if [ -n "$MISSING_PACKAGES" ] ; then
332 338 echo "the following packages needed by this script are not installed:"
333 339 echo "$MISSING_PACKAGES"
334 340
335 341 echo -n "\ndo you want to install the missing packages right now? [y/n] "
336 342 read confirm
337 343 [ "$confirm" != "y" ] && exit 1
338 344
339 345 # Make sure all missing required packages are installed
340 346 apt-get -qq -y install ${MISSING_PACKAGES}
341 347 fi
342 348
343 349 # Check if ./bootstrap.d directory exists
344 350 if [ ! -d "./bootstrap.d/" ] ; then
345 351 echo "error: './bootstrap.d' required directory not found!"
346 352 exit 1
347 353 fi
348 354
349 355 # Check if ./files directory exists
350 356 if [ ! -d "./files/" ] ; then
351 357 echo "error: './files' required directory not found!"
352 358 exit 1
353 359 fi
354 360
355 361 # Check if specified KERNELSRC_DIR directory exists
356 362 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
357 363 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
358 364 exit 1
359 365 fi
360 366
361 367 # Check if specified UBOOTSRC_DIR directory exists
362 368 if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
363 369 echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
364 370 exit 1
365 371 fi
366 372
367 373 # Check if specified FBTURBOSRC_DIR directory exists
368 374 if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
369 375 echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
370 376 exit 1
371 377 fi
372 378
373 379 # Check if specified CHROOT_SCRIPTS directory exists
374 380 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
375 381 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
376 382 exit 1
377 383 fi
378 384
379 385 # Check if specified device mapping already exists (will be used by cryptsetup)
380 386 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
381 387 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
382 388 exit 1
383 389 fi
384 390
385 391 # Don't clobber an old build
386 392 if [ -e "$BUILDDIR" ] ; then
387 393 echo "error: directory ${BUILDDIR} already exists, not proceeding"
388 394 exit 1
389 395 fi
390 396
391 397 # Setup chroot directory
392 398 mkdir -p "${R}"
393 399
394 400 # Check if build directory has enough of free disk space >512MB
395 401 if [ "$(df --output=avail ${BUILDDIR} | sed "1d")" -le "524288" ] ; then
396 402 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
397 403 exit 1
398 404 fi
399 405
400 406 set -x
401 407
402 408 # Call "cleanup" function on various signals and errors
403 409 trap cleanup 0 1 2 3 6
404 410
405 411 # Add required packages for the minbase installation
406 412 if [ "$ENABLE_MINBASE" = true ] ; then
407 413 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
408 414 fi
409 415
410 416 # Add required locales packages
411 417 if [ "$DEFLOCAL" != "en_US.UTF-8" ] ; then
412 418 APT_INCLUDES="${APT_INCLUDES},locales,keyboard-configuration,console-setup"
413 419 fi
414 420
415 421 # Add parted package, required to get partprobe utility
416 422 if [ "$EXPANDROOT" = true ] ; then
417 423 APT_INCLUDES="${APT_INCLUDES},parted"
418 424 fi
419 425
420 426 # Add dbus package, recommended if using systemd
421 427 if [ "$ENABLE_DBUS" = true ] ; then
422 428 APT_INCLUDES="${APT_INCLUDES},dbus"
423 429 fi
424 430
425 431 # Add iptables IPv4/IPv6 package
426 432 if [ "$ENABLE_IPTABLES" = true ] ; then
427 433 APT_INCLUDES="${APT_INCLUDES},iptables"
428 434 fi
429 435
430 436 # Add openssh server package
431 437 if [ "$ENABLE_SSHD" = true ] ; then
432 438 APT_INCLUDES="${APT_INCLUDES},openssh-server"
433 439 fi
434 440
435 441 # Add alsa-utils package
436 442 if [ "$ENABLE_SOUND" = true ] ; then
437 443 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
438 444 fi
439 445
440 446 # Add rng-tools package
441 447 if [ "$ENABLE_HWRANDOM" = true ] ; then
442 448 APT_INCLUDES="${APT_INCLUDES},rng-tools"
443 449 fi
444 450
445 451 # Add fbturbo video driver
446 452 if [ "$ENABLE_FBTURBO" = true ] ; then
447 453 # Enable xorg package dependencies
448 454 ENABLE_XORG=true
449 455 fi
450 456
451 457 # Add user defined window manager package
452 458 if [ -n "$ENABLE_WM" ] ; then
453 459 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
454 460
455 461 # Enable xorg package dependencies
456 462 ENABLE_XORG=true
457 463 fi
458 464
459 465 # Add xorg package
460 466 if [ "$ENABLE_XORG" = true ] ; then
461 467 APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
462 468 fi
463 469
464 470 # Replace selected packages with smaller clones
465 471 if [ "$ENABLE_REDUCE" = true ] ; then
466 472 # Add levee package instead of vim-tiny
467 473 if [ "$REDUCE_VIM" = true ] ; then
468 474 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
469 475 fi
470 476
471 477 # Add dropbear package instead of openssh-server
472 478 if [ "$REDUCE_SSHD" = true ] ; then
473 479 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/openssh-server/dropbear/")"
474 480 fi
475 481 fi
476 482
477 483 if [ "$RELEASE" != "jessie" ] ; then
478 484 APT_INCLUDES="${APT_INCLUDES},libnss-systemd"
479 485 fi
480 486
481 487 # Configure kernel sources if no KERNELSRC_DIR
482 488 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
483 489 KERNELSRC_CONFIG=true
484 490 fi
485 491
486 492 # Configure reduced kernel
487 493 if [ "$KERNEL_REDUCE" = true ] ; then
488 494 KERNELSRC_CONFIG=false
489 495 fi
490 496
491 497 # Execute bootstrap scripts
492 498 for SCRIPT in bootstrap.d/*.sh; do
493 499 head -n 3 "$SCRIPT"
494 500 . "$SCRIPT"
495 501 done
496 502
497 503 ## Execute custom bootstrap scripts
498 504 if [ -d "custom.d" ] ; then
499 505 for SCRIPT in custom.d/*.sh; do
500 506 . "$SCRIPT"
501 507 done
502 508 fi
503 509
504 510 # Execute custom scripts inside the chroot
505 511 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
506 512 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
507 513 chroot_exec /bin/bash -x <<'EOF'
508 514 for SCRIPT in /chroot_scripts/* ; do
509 515 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
510 516 $SCRIPT
511 517 fi
512 518 done
513 519 EOF
514 520 rm -rf "${R}/chroot_scripts"
515 521 fi
516 522
517 523 # Remove c/c++ build environment from the chroot
518 524 chroot_remove_cc
519 525
520 526 # Remove apt-utils
521 527 if [ "$RELEASE" = "jessie" ] ; then
522 528 chroot_exec apt-get purge -qq -y --force-yes apt-utils
523 529 fi
524 530
525 531 # Generate required machine-id
526 532 MACHINE_ID=$(dbus-uuidgen)
527 533 echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
528 534 echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
529 535
530 536 # APT Cleanup
531 537 chroot_exec apt-get -y clean
532 538 chroot_exec apt-get -y autoclean
533 539 chroot_exec apt-get -y autoremove
534 540
535 541 # Unmount mounted filesystems
536 542 umount -l "${R}/proc"
537 543 umount -l "${R}/sys"
538 544
539 545 # Clean up directories
540 546 rm -rf "${R}/run/*"
541 547 rm -rf "${R}/tmp/*"
542 548
543 549 # Clean up files
544 550 rm -f "${ETC_DIR}/ssh/ssh_host_*"
545 551 rm -f "${ETC_DIR}/dropbear/dropbear_*"
546 552 rm -f "${ETC_DIR}/apt/sources.list.save"
547 553 rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
548 554 rm -f "${ETC_DIR}/*-"
549 555 rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
550 556 rm -f "${ETC_DIR}/resolv.conf"
551 557 rm -f "${R}/root/.bash_history"
552 558 rm -f "${R}/var/lib/urandom/random-seed"
553 559 rm -f "${R}/initrd.img"
554 560 rm -f "${R}/vmlinuz"
555 561 rm -f "${R}${QEMU_BINARY}"
556 562
557 563 # Calculate size of the chroot directory in KB
558 564 CHROOT_SIZE=$(expr `du -s "${R}" | awk '{ print $1 }'`)
559 565
560 566 # Calculate the amount of needed 512 Byte sectors
561 567 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
562 568 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
563 569 ROOT_OFFSET=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS})
564 570
565 571 # The root partition is EXT4
566 572 # This means more space than the actual used space of the chroot is used.
567 573 # As overhead for journaling and reserved blocks 35% are added.
568 574 ROOT_SECTORS=$(expr $(expr ${CHROOT_SIZE} + ${CHROOT_SIZE} \/ 100 \* 35) \* 1024 \/ 512)
569 575
570 576 # Calculate required image size in 512 Byte sectors
571 577 IMAGE_SECTORS=$(expr ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS})
572 578
573 579 # Prepare image file
574 580 if [ "$ENABLE_SPLITFS" = true ] ; then
575 581 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=${TABLE_SECTORS}
576 582 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek=${FRMW_SECTORS}
577 583 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=${TABLE_SECTORS}
578 584 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek=${ROOT_SECTORS}
579 585
580 586 # Write firmware/boot partition tables
581 587 sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
582 588 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
583 589 EOM
584 590
585 591 # Write root partition table
586 592 sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
587 593 ${TABLE_SECTORS},${ROOT_SECTORS},83
588 594 EOM
589 595
590 596 # Setup temporary loop devices
591 597 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $IMAGE_NAME-frmw.img)"
592 598 ROOT_LOOP="$(losetup -o 1M -f --show $IMAGE_NAME-root.img)"
593 599 else # ENABLE_SPLITFS=false
594 600 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=${TABLE_SECTORS}
595 601 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek=${IMAGE_SECTORS}
596 602
597 603 # Write partition table
598 604 sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
599 605 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
600 606 ${ROOT_OFFSET},${ROOT_SECTORS},83
601 607 EOM
602 608
603 609 # Setup temporary loop devices
604 610 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $IMAGE_NAME.img)"
605 611 ROOT_LOOP="$(losetup -o 65M -f --show $IMAGE_NAME.img)"
606 612 fi
607 613
608 614 if [ "$ENABLE_CRYPTFS" = true ] ; then
609 615 # Create dummy ext4 fs
610 616 mkfs.ext4 "$ROOT_LOOP"
611 617
612 618 # Setup password keyfile
613 619 touch .password
614 620 chmod 600 .password
615 621 echo -n ${CRYPTFS_PASSWORD} > .password
616 622
617 623 # Initialize encrypted partition
618 624 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
619 625
620 626 # Open encrypted partition and setup mapping
621 627 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
622 628
623 629 # Secure delete password keyfile
624 630 shred -zu .password
625 631
626 632 # Update temporary loop device
627 633 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
628 634
629 635 # Wipe encrypted partition (encryption cipher is used for randomness)
630 636 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count=$(blockdev --getsz "${ROOT_LOOP}")
631 637 fi
632 638
633 639 # Build filesystems
634 640 mkfs.vfat "$FRMW_LOOP"
635 641 mkfs.ext4 "$ROOT_LOOP"
636 642
637 643 # Mount the temporary loop devices
638 644 mkdir -p "$BUILDDIR/mount"
639 645 mount "$ROOT_LOOP" "$BUILDDIR/mount"
640 646
641 647 mkdir -p "$BUILDDIR/mount/boot/firmware"
642 648 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
643 649
644 650 # Copy all files from the chroot to the loop device mount point directory
645 651 rsync -a "${R}/" "$BUILDDIR/mount/"
646 652
647 653 # Unmount all temporary loop devices and mount points
648 654 cleanup
649 655
650 656 # Create block map file(s) of image(s)
651 657 if [ "$ENABLE_SPLITFS" = true ] ; then
652 658 # Create block map files for "bmaptool"
653 659 bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
654 660 bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
655 661
656 662 # Image was successfully created
657 663 echo "$IMAGE_NAME-frmw.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
658 664 echo "$IMAGE_NAME-root.img ($(expr \( ${TABLE_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
659 665 else
660 666 # Create block map file for "bmaptool"
661 667 bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
662 668
663 669 # Image was successfully created
664 670 echo "$IMAGE_NAME.img ($(expr \( ${TABLE_SECTORS} + ${FRMW_SECTORS} + ${ROOT_SECTORS} \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
665 671 fi
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