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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 `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-arm64-4.14.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 `stretch` build systems. Please check the [Debian CrossToolchains Wiki](https://wiki.debian.org/CrossToolchains) for further information.
13 13
14 14 ## Command-line parameters
15 15 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.
16 16
17 17 ##### Command-line examples:
18 18 ```shell
19 19 ENABLE_UBOOT=true ./rpi23-gen-image.sh
20 20 ENABLE_CONSOLE=false ENABLE_IPV6=false ./rpi23-gen-image.sh
21 21 ENABLE_WM=xfce4 ENABLE_FBTURBO=true ENABLE_MINBASE=true ./rpi23-gen-image.sh
22 22 ENABLE_HARDNET=true ENABLE_IPTABLES=true /rpi23-gen-image.sh
23 23 APT_SERVER=ftp.de.debian.org APT_PROXY="http://127.0.0.1:3142/" ./rpi23-gen-image.sh
24 24 ENABLE_MINBASE=true ./rpi23-gen-image.sh
25 25 BUILD_KERNEL=true ENABLE_MINBASE=true ENABLE_IPV6=false ./rpi23-gen-image.sh
26 26 BUILD_KERNEL=true KERNELSRC_DIR=/tmp/linux ./rpi23-gen-image.sh
27 27 ENABLE_MINBASE=true ENABLE_REDUCE=true ENABLE_MINGPU=true BUILD_KERNEL=true ./rpi23-gen-image.sh
28 28 ENABLE_CRYPTFS=true CRYPTFS_PASSWORD=changeme EXPANDROOT=false ENABLE_MINBASE=true ENABLE_REDUCE=true ENABLE_MINGPU=true BUILD_KERNEL=true ./rpi23-gen-image.sh
29 29 RELEASE=stretch BUILD_KERNEL=true ./rpi23-gen-image.sh
30 30 RPI_MODEL=3 ENABLE_WIRELESS=true ENABLE_MINBASE=true BUILD_KERNEL=true ./rpi23-gen-image.sh
31 31 RELEASE=stretch RPI_MODEL=3 ENABLE_WIRELESS=true ENABLE_MINBASE=true BUILD_KERNEL=true ./rpi23-gen-image.sh
32 32 ```
33 33
34 34 ## Configuration template files
35 35 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.
36 36
37 37 ##### Command-line examples:
38 38 ```shell
39 39 CONFIG_TEMPLATE=rpi3stretch ./rpi23-gen-image.sh
40 40 CONFIG_TEMPLATE=rpi2stretch ./rpi23-gen-image.sh
41 41 ```
42 42
43 43 ## Supported parameters and settings
44 44 #### APT settings:
45 45 ##### `APT_SERVER`="ftp.debian.org"
46 46 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.
47 47
48 48 ##### `APT_PROXY`=""
49 49 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. If `apt-cacher-ng` is running on default `http://127.0.0.1:3142` it is autodetected and you don't need to set this.
50 50
51 51 ##### `APT_INCLUDES`=""
52 52 A comma separated list of additional packages to be installed by debootstrap during bootstrapping.
53 53
54 54 ##### `APT_INCLUDES_LATE`=""
55 55 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.
56 56
57 57 ---
58 58
59 59 #### General system settings:
60 60 ##### `SET_ARCH`=32
61 61 Set Architecture to default 32bit. If you want to to compile 64bit (RPI3 or RPI3+) set it to `64`. This option will set every needed crosscompiler or boeard specific option for a successful build.
62 62 If you want to change e.g. cross-compiler -> Templates always override defaults
63 63
64 64 ##### `RPI_MODEL`=2
65 65 Specifiy the target Raspberry Pi hardware model. The script at this time supports the following Raspberry Pi models:
66 66 `0` = Used for Raspberry Pi 0 and Raspberry Pi 0 W
67 67 `1` = Used for Pi 1 model A and B
68 68 `1P` = Used for Pi 1 model B+ and A+
69 69 `2` = Used for Pi 2 model B
70 70 `3` = Used for Pi 3 model B
71 71 `3P` = Used for Pi 3 model B+
72 72 `BUILD_KERNEL`=true will automatically be set if the Raspberry Pi model `3` or `3P` is used.
73 73
74 74 ##### `RELEASE`="buster"
75 75 Set the desired Debian release name. The script at this time supports the bootstrapping of the Debian releases `stretch` and `buster`.
76 76
77 77 ##### `RELEASE_ARCH`="armhf"
78 78 Set the desired Debian release architecture.
79 79
80 80 ##### `HOSTNAME`="rpi$RPI_MODEL-$RELEASE"
81 81 Set system host name. It's recommended that the host name is unique in the corresponding subnet.
82 82
83 83 ##### `PASSWORD`="raspberry"
84 84 Set system `root` password. It's **STRONGLY** recommended that you choose a custom password.
85 85
86 86 ##### `USER_PASSWORD`="raspberry"
87 87 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.
88 88
89 89 ##### `DEFLOCAL`="en_US.UTF-8"
90 90 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`.
91 91
92 92 ##### `TIMEZONE`="Europe/Berlin"
93 93 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.
94 94
95 95 ##### `EXPANDROOT`=true
96 96 Expand the root partition and filesystem automatically on first boot.
97 97
98 98 ##### `ENABLE_QEMU`=false
99 99 Generate kernel (`vexpress_defconfig`), file system image (`qcow2`) and DTB files that can be used for QEMU full system emulation (`vexpress-A15`). The output files are stored in the `$(pwd)/images/qemu` directory. You can find more information about running the generated image in the QEMU section of this readme file.
100 100
101 101 ---
102 102
103 103 #### Keyboard settings:
104 104 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.
105 105
106 106 ##### `XKB_MODEL`=""
107 107 Set the name of the model of your keyboard type.
108 108
109 109 ##### `XKB_LAYOUT`=""
110 110 Set the supported keyboard layout(s).
111 111
112 112 ##### `XKB_VARIANT`=""
113 113 Set the supported variant(s) of the keyboard layout(s).
114 114
115 115 ##### `XKB_OPTIONS`=""
116 116 Set extra xkb configuration options.
117 117
118 118 ---
119 119
120 120 #### Networking settings (DHCP):
121 121 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`.`
122 122
123 123 ##### `ENABLE_DHCP`=true
124 124 Set the system to use DHCP. This requires an DHCP server.
125 125
126 126 ---
127 127
128 128 #### Networking settings (static):
129 129 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`.
130 130
131 131 ##### `NET_ADDRESS`=""
132 132 Set a static IPv4 or IPv6 address and its prefix, separated by "/", eg. "192.169.0.3/24".
133 133
134 134 ##### `NET_GATEWAY`=""
135 135 Set the IP address for the default gateway.
136 136
137 137 ##### `NET_DNS_1`=""
138 138 Set the IP address for the first DNS server.
139 139
140 140 ##### `NET_DNS_2`=""
141 141 Set the IP address for the second DNS server.
142 142
143 143 ##### `NET_DNS_DOMAINS`=""
144 144 Set the default DNS search domains to use for non fully qualified host names.
145 145
146 146 ##### `NET_NTP_1`=""
147 147 Set the IP address for the first NTP server.
148 148
149 149 ##### `NET_NTP_2`=""
150 150 Set the IP address for the second NTP server.
151 151
152 152 ---
153 153
154 154 #### Basic system features:
155 155 ##### `ENABLE_CONSOLE`=true
156 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.
156 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. On `RPI_MODEL= 0,3,3P` - Bluetooth gets auto enabled if `ENABLE_CONSOLE` and `ENABLE_UBOOT` are set to `false`
157 157
158 158 ##### `ENABLE_I2C`=false
159 159 Enable I2C interface on the RPi2/3. Please check the [RPi2/3 pinout diagrams](https://elinux.org/RPi_Low-level_peripherals) to connect the right GPIO pins.
160 160
161 161 ##### `ENABLE_SPI`=false
162 162 Enable SPI interface on the RPi2/3. Please check the [RPi2/3 pinout diagrams](https://elinux.org/RPi_Low-level_peripherals) to connect the right GPIO pins.
163 163
164 164 ##### `ENABLE_IPV6`=true
165 165 Enable IPv6 support. The network interface configuration is managed via systemd-networkd.
166 166
167 167 ##### `ENABLE_SSHD`=true
168 168 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.
169 169
170 170 ##### `ENABLE_NONFREE`=false
171 171 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.
172 172
173 173 ##### `ENABLE_WIRELESS`=false
174 174 Download and install the [closed-source firmware binary blob](https://github.com/RPi-Distro/firmware-nonfree/raw/master/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`.
175 175
176 176 ##### `ENABLE_RSYSLOG`=true
177 177 If set to false, disable and uninstall rsyslog (so logs will be available only
178 178 in journal files)
179 179
180 180 ##### `ENABLE_SOUND`=true
181 181 Enable sound hardware and install Advanced Linux Sound Architecture.
182 182
183 183 ##### `ENABLE_HWRANDOM`=true
184 184 Enable Hardware Random Number Generator. Strong random numbers are important for most network based communications that use encryption. It's recommended to be enabled.
185 185
186 186 ##### `ENABLE_MINGPU`=false
187 187 Minimize the amount of shared memory reserved for the GPU. It doesn't seem to be possible to fully disable the GPU.
188 188
189 189 ##### `ENABLE_DBUS`=true
190 190 Install and enable D-Bus message bus. Please note that systemd should work without D-bus but it's recommended to be enabled.
191 191
192 192 ##### `ENABLE_XORG`=false
193 193 Install Xorg open-source X Window System.
194 194
195 195 ##### `ENABLE_WM`=""
196 196 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`.
197 197
198 198 ##### `ENABLE_SYSVINIT`=false
199 199 Support for halt,init,poweroff,reboot,runlevel,shutdown,telinit commands
200 200
201 201 ---
202 202
203 203 #### Advanced system features:
204 204 ##### `ENABLE_MINBASE`=false
205 205 Use debootstrap script variant `minbase` which only includes essential packages and apt. This will reduce the disk usage by about 65 MB.
206 206
207 207 ##### `ENABLE_REDUCE`=false
208 208 Reduce the disk space usage by deleting packages and files. See `REDUCE_*` parameters for detailed information.
209 209
210 210 ##### `ENABLE_UBOOT`=false
211 211 Replace the default RPi2/3 second stage bootloader (bootcode.bin) with [U-Boot bootloader](https://git.denx.de/?p=u-boot.git;a=summary). U-Boot can boot images via the network using the BOOTP/TFTP protocol.
212 212
213 213 ##### `UBOOTSRC_DIR`=""
214 214 Path to a directory (`u-boot`) of [U-Boot bootloader sources](https://git.denx.de/?p=u-boot.git;a=summary) that will be copied, configured, build and installed inside the chroot.
215 215
216 216 ##### `ENABLE_FBTURBO`=false
217 217 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.
218 218
219 219 ##### `FBTURBOSRC_DIR`=""
220 220 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.
221 221
222 222 ##### `ENABLE_VIDEOCORE`=false
223 223 Install and enable the [Source code for ARM side libraries for interfacing to Raspberry Pi GPU](https://github.com/raspberrypi/userland) `vcgencmd`. Please note that this driver is currently limited to hardware accelerated window moving and scrolling.
224 224
225 225 ##### `VIDEOCORESRC_DIR`=""
226 226 Path to a directory (`userland`) of [Source code for ARM side libraries for interfacing to Raspberry Pi GPU](https://github.com/raspberrypi/userland) that will be copied, configured, build and installed inside the chroot.
227 227
228 228 ##### `ENABLE_IPTABLES`=false
229 229 Enable iptables IPv4/IPv6 firewall. Simplified ruleset: Allow all outgoing connections. Block all incoming connections except to OpenSSH service.
230 230
231 231 ##### `ENABLE_USER`=true
232 232 Create non-root user with password `USER_PASSWORD`=raspberry. Unless overridden with `USER_NAME`=user, username will be `pi`.
233 233
234 234 ##### `USER_NAME`=pi
235 235 Non-root user to create. Ignored if `ENABLE_USER`=false
236 236
237 237 ##### `ENABLE_ROOT`=false
238 238 Set root user password so root login will be enabled
239 239
240 240 ##### `ENABLE_HARDNET`=false
241 241 Enable IPv4/IPv6 network stack hardening settings.
242 242
243 243 ##### `ENABLE_SPLITFS`=false
244 244 Enable having root partition on an USB drive by creating two image files: one for the `/boot/firmware` mount point, and another for `/`.
245 245
246 246 ##### `CHROOT_SCRIPTS`=""
247 247 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.
248 248
249 249 ##### `ENABLE_INITRAMFS`=false
250 250 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.
251 251
252 252 ##### `ENABLE_IFNAMES`=true
253 253 Enable automatic assignment of predictable, stable network interface names for all local Ethernet, WLAN interfaces. This might create complex and long interface names.
254 254
255 255 ##### `DISABLE_UNDERVOLT_WARNINGS`=
256 256 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.
257 257
258 258 ---
259 259
260 260 #### SSH settings:
261 261 ##### `SSH_ENABLE_ROOT`=false
262 262 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`.
263 263
264 264 ##### `SSH_DISABLE_PASSWORD_AUTH`=false
265 265 Disable password based SSH authentication. Only public key based SSH (v2) authentication will be supported.
266 266
267 267 ##### `SSH_LIMIT_USERS`=false
268 268 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).
269 269
270 270 ##### `SSH_ROOT_PUB_KEY`=""
271 271 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`.
272 272
273 273 ##### `SSH_USER_PUB_KEY`=""
274 274 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.
275 275
276 276 ---
277 277
278 278 #### Kernel compilation:
279 279 ##### `BUILD_KERNEL`=true
280 280 Build and install the latest RPi2/3 Linux kernel. Currently only the default RPi2/3 kernel configuration is used.
281 281
282 282 ##### `CROSS_COMPILE`="arm-linux-gnueabihf-"
283 283 This sets the cross compile enviornment for the compiler.
284 284
285 285 ##### `KERNEL_ARCH`="arm"
286 286 This sets the kernel architecture for the compiler.
287 287
288 288 ##### `KERNEL_IMAGE`="kernel7.img"
289 289 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.
290 290
291 291 ##### `KERNEL_BRANCH`=""
292 292 Name of the requested branch from the GIT location for the RPi Kernel. Default is using the current default branch from the GIT site.
293 293
294 294 ##### `QEMU_BINARY`="/usr/bin/qemu-arm-static"
295 295 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.
296 296
297 297 ##### `KERNEL_DEFCONFIG`="bcm2709_defconfig"
298 298 Sets the default config for kernel compiling. If not set, `KERNEL_DEFCONFIG` will be set to "bcmrpi3\_defconfig" automatically if building for arm64.
299 299
300 300 ##### `KERNEL_REDUCE`=false
301 301 Reduce the size of the generated kernel by removing unwanted device, network and filesystem drivers (experimental).
302 302
303 303 ##### `KERNEL_THREADS`=1
304 304 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.
305 305
306 306 ##### `KERNEL_HEADERS`=true
307 307 Install kernel headers with built kernel.
308 308
309 309 ##### `KERNEL_MENUCONFIG`=false
310 310 Start `make menuconfig` interactive menu-driven kernel configuration. The script will continue after `make menuconfig` was terminated.
311 311
312 312 ##### `KERNEL_OLDDEFCONFIG`=false
313 313 Run `make olddefconfig` to automatically set all new kernel configuration options to their recommended default values.
314 314
315 315 ##### `KERNEL_CCACHE`=false
316 316 Compile the kernel using ccache. This speeds up kernel recompilation by caching previous compilations and detecting when the same compilation is being done again.
317 317
318 318 ##### `KERNEL_REMOVESRC`=true
319 319 Remove all kernel sources from the generated OS image after it was built and installed.
320 320
321 321 ##### `KERNELSRC_DIR`=""
322 322 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.
323 323
324 324 ##### `KERNELSRC_CLEAN`=false
325 325 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.
326 326
327 327 ##### `KERNELSRC_CONFIG`=true
328 328 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.
329 329
330 330 ##### `KERNELSRC_USRCONFIG`=""
331 331 Copy own config file to kernel `.config`. If `KERNEL_MENUCONFIG`=true then running after copy.
332 332
333 333 ##### `KERNELSRC_PREBUILT`=false
334 334 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.
335 335
336 336 ##### `RPI_FIRMWARE_DIR`=""
337 337 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.
338 338
339 339 ---
340 340
341 341 #### Reduce disk usage:
342 342 The following list of parameters is ignored if `ENABLE_REDUCE`=false.
343 343
344 344 ##### `REDUCE_APT`=true
345 345 Configure APT to use compressed package repository lists and no package caching files.
346 346
347 347 ##### `REDUCE_DOC`=true
348 348 Remove all doc files (harsh). Configure APT to not include doc files on future `apt-get` package installations.
349 349
350 350 ##### `REDUCE_MAN`=true
351 351 Remove all man pages and info files (harsh). Configure APT to not include man pages on future `apt-get` package installations.
352 352
353 353 ##### `REDUCE_VIM`=false
354 354 Replace `vim-tiny` package by `levee` a tiny vim clone.
355 355
356 356 ##### `REDUCE_BASH`=false
357 357 Remove `bash` package and switch to `dash` shell (experimental).
358 358
359 359 ##### `REDUCE_HWDB`=true
360 360 Remove PCI related hwdb files (experimental).
361 361
362 362 ##### `REDUCE_SSHD`=true
363 363 Replace `openssh-server` with `dropbear`.
364 364
365 365 ##### `REDUCE_LOCALE`=true
366 366 Remove all `locale` translation files.
367 367
368 368 ---
369 369
370 370 #### Encrypted root partition:
371 371 ##### `ENABLE_CRYPTFS`=false
372 372 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.
373 373
374 374 ##### `CRYPTFS_PASSWORD`=""
375 375 Set password of the encrypted root partition. This parameter is mandatory if `ENABLE_CRYPTFS`=true.
376 376
377 377 ##### `CRYPTFS_MAPPING`="secure"
378 378 Set name of dm-crypt managed device-mapper mapping.
379 379
380 380 ##### `CRYPTFS_CIPHER`="aes-xts-plain64:sha512"
381 381 Set cipher specification string. `aes-xts*` ciphers are strongly recommended.
382 382
383 383 ##### `CRYPTFS_XTSKEYSIZE`=512
384 384 Sets key size in bits. The argument has to be a multiple of 8.
385 385
386 386 ---
387 387
388 388 #### Build settings:
389 389 ##### `BASEDIR`=$(pwd)/images/${RELEASE}
390 390 Set a path to a working directory used by the script to generate an image.
391 391
392 392 ##### `IMAGE_NAME`=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}
393 393 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.
394 394
395 395 ## Understanding the script
396 396 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:
397 397
398 398 | Script | Description |
399 399 | --- | --- |
400 400 | `10-bootstrap.sh` | Debootstrap basic system |
401 401 | `11-apt.sh` | Setup APT repositories |
402 402 | `12-locale.sh` | Setup Locales and keyboard settings |
403 403 | `13-kernel.sh` | Build and install RPi2/3 Kernel |
404 404 | `14-fstab.sh` | Setup fstab and initramfs |
405 405 | `15-rpi-config.sh` | Setup RPi2/3 config and cmdline |
406 406 | `20-networking.sh` | Setup Networking |
407 407 | `21-firewall.sh` | Setup Firewall |
408 408 | `30-security.sh` | Setup Users and Security settings |
409 409 | `31-logging.sh` | Setup Logging |
410 410 | `32-sshd.sh` | Setup SSH and public keys |
411 411 | `41-uboot.sh` | Build and Setup U-Boot |
412 412 | `42-fbturbo.sh` | Build and Setup fbturbo Xorg driver |
413 413 | `50-firstboot.sh` | First boot actions |
414 414 | `99-reduce.sh` | Reduce the disk space usage |
415 415
416 416 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.
417 417
418 418 | Directory | Description |
419 419 | --- | --- |
420 420 | `apt` | APT management configuration files |
421 421 | `boot` | Boot and RPi2/3 configuration files |
422 422 | `dpkg` | Package Manager configuration |
423 423 | `etc` | Configuration files and rc scripts |
424 424 | `firstboot` | Scripts that get executed on first boot |
425 425 | `initramfs` | Initramfs scripts |
426 426 | `iptables` | Firewall configuration files |
427 427 | `locales` | Locales configuration |
428 428 | `modules` | Kernel Modules configuration |
429 429 | `mount` | Fstab configuration |
430 430 | `network` | Networking configuration files |
431 431 | `sysctl.d` | Swapping and Network Hardening configuration |
432 432 | `xorg` | fbturbo Xorg driver configuration |
433 433
434 434 ## Custom packages and scripts
435 435 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`.
436 436
437 437 Scripts in the custom.d directory will be executed after all other installation is complete but before the image is created.
438 438
439 439 ## Logging of the bootstrapping process
440 440 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:
441 441
442 442 ```shell
443 443 script -c 'APT_SERVER=ftp.de.debian.org ./rpi23-gen-image.sh' ./build.log
444 444 ```
445 445
446 446 ## Flashing the image file
447 447 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`.
448 448
449 449 ##### Flashing examples:
450 450 ```shell
451 451 bmaptool copy ./images/buster/2017-01-23-rpi3-buster.img /dev/mmcblk0
452 452 dd bs=4M if=./images/buster/2017-01-23-rpi3-buster.img of=/dev/mmcblk0
453 453 ```
454 454 If you have set `ENABLE_SPLITFS`, copy the `-frmw` image on the microSD card, then the `-root` one on the USB drive:
455 455 ```shell
456 456 bmaptool copy ./images/buster/2017-01-23-rpi3-buster-frmw.img /dev/mmcblk0
457 457 bmaptool copy ./images/buster/2017-01-23-rpi3-buster-root.img /dev/sdc
458 458 ```
459 459
460 460 ## QEMU emulation
461 461 Start QEMU full system emulation:
462 462 ```shell
463 463 qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -append "root=/dev/mmcblk0p2 rw rootfstype=ext4 console=tty1"
464 464 ```
465 465
466 466 Start QEMU full system emulation and output to console:
467 467 ```shell
468 468 qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -append "root=/dev/mmcblk0p2 rw rootfstype=ext4 console=ttyAMA0,115200 init=/bin/systemd" -serial stdio
469 469 ```
470 470
471 471 Start QEMU full system emulation with SMP and output to console:
472 472 ```shell
473 473 qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -smp cpus=2,maxcpus=2 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -append "root=/dev/mmcblk0p2 rw rootfstype=ext4 console=ttyAMA0,115200 init=/bin/systemd" -serial stdio
474 474 ```
475 475
476 476 Start QEMU full system emulation with cryptfs, initramfs and output to console:
477 477 ```shell
478 478 qemu-system-arm -m 2048M -M vexpress-a15 -cpu cortex-a15 -kernel kernel7.img -no-reboot -dtb vexpress-v2p-ca15_a7.dtb -sd ${IMAGE_NAME}.qcow2 -initrd "initramfs-${KERNEL_VERSION}" -append "root=/dev/mapper/secure cryptdevice=/dev/mmcblk0p2:secure rw rootfstype=ext4 console=ttyAMA0,115200 init=/bin/systemd" -serial stdio
479 479 ```
480 480
481 481 ## External links and references
482 482 * [Debian worldwide mirror sites](https://www.debian.org/mirror/list)
483 483 * [Debian Raspberry Pi 2 Wiki](https://wiki.debian.org/RaspberryPi2)
484 484 * [Debian CrossToolchains Wiki](https://wiki.debian.org/CrossToolchains)
485 485 * [Official Raspberry Pi Firmware on github](https://github.com/raspberrypi/firmware)
486 486 * [Official Raspberry Pi Kernel on github](https://github.com/raspberrypi/linux)
487 487 * [U-BOOT git repository](https://git.denx.de/?p=u-boot.git;a=summary)
488 488 * [Xorg DDX driver fbturbo](https://github.com/ssvb/xf86-video-fbturbo)
489 489 * [RPi3 Wireless interface firmware](https://github.com/RPi-Distro/firmware-nonfree/tree/master/brcm80211/brcm)
490 490 * [Collabora RPi2 Kernel precompiled](https://repositories.collabora.co.uk/debian/)
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1 1 #
2 2 # Setup Locales and keyboard settings
3 3 #
4 4
5 5 # Load utility functions
6 6 . ./functions.sh
7 7
8 8 # Install and setup timezone
9 9 echo "${TIMEZONE}" > "${ETC_DIR}/timezone"
10 10 chroot_exec dpkg-reconfigure -f noninteractive tzdata
11 11
12 12 # Install and setup default locale and keyboard configuration
13 13 if [ "$(echo "$APT_INCLUDES" | grep ",locales")" ] ; then
14 14 # Set locale choice in debconf db, even though dpkg-reconfigure ignores and overwrites them due to some bug
15 15 # https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=684134 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=685957
16 16 # ... so we have to set locales manually
17 17 if [ "$DEFLOCAL" = "en_US.UTF-8" ] ; then
18 18 chroot_exec echo "locales locales/locales_to_be_generated multiselect ${DEFLOCAL} UTF-8" | debconf-set-selections
19 19 else
20 20 # en_US.UTF-8 should be available anyway : https://www.debian.org/doc/manuals/debian-reference/ch08.en.html#_the_reconfiguration_of_the_locale
21 21 chroot_exec echo "locales locales/locales_to_be_generated multiselect en_US.UTF-8 UTF-8, ${DEFLOCAL} UTF-8" | debconf-set-selections
22 22 sed -i "/en_US.UTF-8/s/^#//" "${ETC_DIR}/locale.gen"
23 23 fi
24 24
25 25 sed -i "/${DEFLOCAL}/s/^#//" "${ETC_DIR}/locale.gen"
26 26 chroot_exec echo "locales locales/default_environment_locale select ${DEFLOCAL}" | debconf-set-selections
27 27 chroot_exec locale-gen
28 28 chroot_exec update-locale LANG="${DEFLOCAL}"
29 29
30 30 # Install and setup default keyboard configuration
31 if [ "$XKB_MODEL" != "pc105" ] ; then
31 if [ "$XKB_MODEL" != "" ] ; then
32 32 sed -i "s/^XKBMODEL.*/XKBMODEL=\"${XKB_MODEL}\"/" "${ETC_DIR}/default/keyboard"
33 33 fi
34 if [ "$XKB_LAYOUT" != "us" ] ; then
34 if [ "$XKB_LAYOUT" != "" ] ; then
35 35 sed -i "s/^XKBLAYOUT.*/XKBLAYOUT=\"${XKB_LAYOUT}\"/" "${ETC_DIR}/default/keyboard"
36 36 fi
37 37 if [ "$XKB_VARIANT" != "" ] ; then
38 38 sed -i "s/^XKBVARIANT.*/XKBVARIANT=\"${XKB_VARIANT}\"/" "${ETC_DIR}/default/keyboard"
39 39 fi
40 40 if [ "$XKB_OPTIONS" != "" ] ; then
41 41 sed -i "s/^XKBOPTIONS.*/XKBOPTIONS=\"${XKB_OPTIONS}\"/" "${ETC_DIR}/default/keyboard"
42 42 fi
43 43 chroot_exec dpkg-reconfigure -f noninteractive keyboard-configuration
44 44
45 45 # Install and setup font console
46 46 case "${DEFLOCAL}" in
47 47 *UTF-8)
48 48 sed -i 's/^CHARMAP.*/CHARMAP="UTF-8"/' "${ETC_DIR}/default/console-setup"
49 49 ;;
50 50 *)
51 51 sed -i 's/^CHARMAP.*/CHARMAP="guess"/' "${ETC_DIR}/default/console-setup"
52 52 ;;
53 53 esac
54 54 chroot_exec dpkg-reconfigure -f noninteractive console-setup
55 55 else # (no locales were installed)
56 56 # Install POSIX default locale
57 57 install_readonly files/locales/locale "${ETC_DIR}/default/locale"
58 58 fi
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1 1 #
2 2 # Build and Setup U-Boot
3 3 #
4 4
5 5 # Load utility functions
6 6 . ./functions.sh
7 7
8 8 # Fetch and build U-Boot bootloader
9 9 if [ "$ENABLE_UBOOT" = true ] ; then
10 10 # Install c/c++ build environment inside the chroot
11 11 chroot_install_cc
12 12
13 13 # Copy existing U-Boot sources into chroot directory
14 14 if [ -n "$UBOOTSRC_DIR" ] && [ -d "$UBOOTSRC_DIR" ] ; then
15 15 # Copy local U-Boot sources
16 16 cp -r "${UBOOTSRC_DIR}" "${R}/tmp"
17 17 else
18 18 # Create temporary directory for U-Boot sources
19 19 temp_dir=$(as_nobody mktemp -d)
20 20
21 21 # Fetch U-Boot sources
22 22 as_nobody git -C "${temp_dir}" clone "${UBOOT_URL}"
23 23
24 24 # Copy downloaded U-Boot sources
25 25 mv "${temp_dir}/u-boot" "${R}/tmp/"
26 26
27 27 # Set permissions of the U-Boot sources
28 28 chown -R root:root "${R}/tmp/u-boot"
29 29
30 30 # Remove temporary directory for U-Boot sources
31 31 rm -fr "${temp_dir}"
32 32 fi
33 33
34 34 # Build and install U-Boot inside chroot
35 35 chroot_exec make -j"${KERNEL_THREADS}" -C /tmp/u-boot/ "${UBOOT_CONFIG}" all
36 36
37 37 # Copy compiled bootloader binary and set config.txt to load it
38 38 install_exec "${R}/tmp/u-boot/tools/mkimage" "${R}/usr/sbin/mkimage"
39 39 install_readonly "${R}/tmp/u-boot/u-boot.bin" "${BOOT_DIR}/u-boot.bin"
40 40 printf "\n# boot u-boot kernel\nkernel=u-boot.bin\n" >> "${BOOT_DIR}/config.txt"
41 41
42 42 # Install and setup U-Boot command file
43 43 install_readonly files/boot/uboot.mkimage "${BOOT_DIR}/uboot.mkimage"
44 44 printf "# Set the kernel boot command line\nsetenv bootargs \"earlyprintk ${CMDLINE}\"\n\n$(cat "${BOOT_DIR}"/uboot.mkimage)" > "${BOOT_DIR}/uboot.mkimage"
45 45
46 46 if [ "$ENABLE_INITRAMFS" = true ] ; then
47 47 # Convert generated initramfs for U-Boot using mkimage
48 48 chroot_exec /usr/sbin/mkimage -A "${KERNEL_ARCH}" -T ramdisk -C none -n "initramfs-${KERNEL_VERSION}" -d "/boot/firmware/initramfs-${KERNEL_VERSION}" "/boot/firmware/initramfs-${KERNEL_VERSION}.uboot"
49 49
50 50 # Remove original initramfs file
51 51 rm -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}"
52 52
53 53 # Configure U-Boot to load generated initramfs
54 54 printf "# Set initramfs file\nsetenv initramfs initramfs-${KERNEL_VERSION}.uboot\n\n$(cat "${BOOT_DIR}"/uboot.mkimage)" > "${BOOT_DIR}/uboot.mkimage"
55 55 printf "\nbootz \${kernel_addr_r} \${ramdisk_addr_r} \${fdt_addr_r}" >> "${BOOT_DIR}/uboot.mkimage"
56 56 else # ENABLE_INITRAMFS=false
57 57 # Remove initramfs from U-Boot mkfile
58 58 sed -i '/.*initramfs.*/d' "${BOOT_DIR}/uboot.mkimage"
59 59
60 60 if [ "$BUILD_KERNEL" = false ] ; then
61 61 # Remove dtbfile from U-Boot mkfile
62 62 sed -i '/.*dtbfile.*/d' "${BOOT_DIR}/uboot.mkimage"
63 63 printf "\nbootz \${kernel_addr_r}" >> "${BOOT_DIR}/uboot.mkimage"
64 64 else
65 65 printf "\nbootz \${kernel_addr_r} - \${fdt_addr_r}" >> "${BOOT_DIR}/uboot.mkimage"
66 66 fi
67 67 fi
68 68
69 69 if [ "$SET_ARCH" = 64 ] ; then
70 70 echo "Setting up config.txt to boot 64bit uboot"
71 71 {
72 72 printf "\n# 64bit-mode"
73 73 printf "\n# arm_control=0x200 is deprecated https://www.raspberrypi.org/documentation/configuration/config-txt/misc.md"
74 74 printf "\narm_64bit=1"
75 75 } >> "${BOOT_DIR}/config.txt"
76 76
77 77 #in 64bit uboot booti is used instead of bootz [like in KERNEL_BIN_IMAGE=zImage (armv7)|| Image(armv8)]
78 78 sed -i "s|bootz|booti|g" "${BOOT_DIR}/uboot.mkimage"
79 79 fi
80 80
81 81 # Set mkfile to use the correct dtb file
82 sed -i "s/^\(setenv dtbfile \).*/\1${DTB_FILE}/" "${BOOT_DIR}/uboot.mkimage"
82 sed -i "s|bcm2709-rpi-2-b.dtb|${DTB_FILE}|" "${BOOT_DIR}/uboot.mkimage"
83 83
84 84 # Set mkfile to use the correct mach id
85 85 if [ "$ENABLE_QEMU" = true ] ; then
86 86 sed -i "s/^\(setenv machid \).*/\10x000008e0/" "${BOOT_DIR}/uboot.mkimage"
87 87 fi
88 88
89 89 # Set mkfile to use kernel image
90 sed -i "s/^\(fatload mmc 0:1 \${kernel_addr_r} \).*/\1${KERNEL_IMAGE}/" "${BOOT_DIR}/uboot.mkimage"
90 sed -i "s|kernel7.img|${KERNEL_IMAGE}|" "${BOOT_DIR}/uboot.mkimage"
91 91
92 92 # Remove all leading blank lines
93 93 sed -i "/./,\$!d" "${BOOT_DIR}/uboot.mkimage"
94 94
95 95 # Generate U-Boot bootloader image
96 96 chroot_exec /usr/sbin/mkimage -A "${KERNEL_ARCH}" -O linux -T script -C none -a 0x00000000 -e 0x00000000 -n "RPi${RPI_MODEL}" -d /boot/firmware/uboot.mkimage /boot/firmware/boot.scr
97 97
98 98 # Remove U-Boot sources
99 99 rm -fr "${R}/tmp/u-boot"
100 100 fi
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1 1 #!/bin/sh
2 2 ########################################################################
3 3 # rpi23-gen-image.sh 2015-2017
4 4 #
5 5 # Advanced Debian "stretch" and "buster" bootstrap script for RPi2/3
6 6 #
7 7 # This program is free software; you can redistribute it and/or
8 8 # modify it under the terms of the GNU General Public License
9 9 # as published by the Free Software Foundation; either version 2
10 10 # of the License, or (at your option) any later version.
11 11 #
12 12 # Copyright (C) 2015 Jan Wagner <mail@jwagner.eu>
13 13 #
14 14 # Big thanks for patches and enhancements by 20+ github contributors!
15 15 ########################################################################
16 16
17 17 # Are we running as root?
18 18 if [ "$(id -u)" -ne "0" ] ; then
19 19 echo "error: this script must be executed with root privileges!"
20 20 exit 1
21 21 fi
22 22
23 23 # Check if ./functions.sh script exists
24 24 if [ ! -r "./functions.sh" ] ; then
25 25 echo "error: './functions.sh' required script not found!"
26 26 exit 1
27 27 fi
28 28
29 29 # Load utility functions
30 30 . ./functions.sh
31 31
32 32 # Load parameters from configuration template file
33 33 if [ -n "$CONFIG_TEMPLATE" ] ; then
34 34 use_template
35 35 fi
36 36
37 37 # Introduce settings
38 38 set -e
39 39 echo -n -e "\n#\n# RPi2/3 Bootstrap Settings\n#\n"
40 40 set -x
41 41
42 42 # Raspberry Pi model configuration
43 43 RPI_MODEL=${RPI_MODEL:=2}
44 44
45 45 # Debian release
46 46 RELEASE=${RELEASE:=buster}
47 47
48 48 # Kernel Branch
49 49 KERNEL_BRANCH=${KERNEL_BRANCH:=""}
50 50
51 51 # URLs
52 52 KERNEL_URL=${KERNEL_URL:=https://github.com/raspberrypi/linux}
53 53 FIRMWARE_URL=${FIRMWARE_URL:=https://github.com/raspberrypi/firmware/raw/master/boot}
54 54 WLAN_FIRMWARE_URL=${WLAN_FIRMWARE_URL:=https://github.com/RPi-Distro/firmware-nonfree/raw/master/brcm}
55 55 COLLABORA_URL=${COLLABORA_URL:=https://repositories.collabora.co.uk/debian}
56 56 FBTURBO_URL=${FBTURBO_URL:=https://github.com/ssvb/xf86-video-fbturbo.git}
57 57 UBOOT_URL=${UBOOT_URL:=https://git.denx.de/u-boot.git}
58 58 VIDEOCORE_URL=${VIDEOCORE_URL:=https://github.com/raspberrypi/userland}
59 59 BLUETOOTH_URL=${BLUETOOTH_URL:=https://github.com/RPi-Distro/pi-bluetooth.git}
60 60
61 61 # Build directories
62 BASEDIR=${BASEDIR:=$(pwd)/images/${RELEASE}}
62 WORKDIR=$(pwd)
63 BASEDIR=${BASEDIR:=${WORKDIR}/images/${RELEASE}}
63 64 BUILDDIR="${BASEDIR}/build"
64 65
65 66 # Chroot directories
66 67 R="${BUILDDIR}/chroot"
67 68 ETC_DIR="${R}/etc"
68 69 LIB_DIR="${R}/lib"
69 70 BOOT_DIR="${R}/boot/firmware"
70 71 KERNEL_DIR="${R}/usr/src/linux"
71 72 WLAN_FIRMWARE_DIR="${LIB_DIR}/firmware/brcm"
72 73
73 74 # Firmware directory: Blank if download from github
74 75 RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}
75 76
76 77 # General settings
77 78 SET_ARCH=${SET_ARCH:=32}
78 79 HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}
79 80 PASSWORD=${PASSWORD:=raspberry}
80 81 USER_PASSWORD=${USER_PASSWORD:=raspberry}
81 82 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
82 83 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
83 84 EXPANDROOT=${EXPANDROOT:=true}
84 85
85 86 # Keyboard settings
86 87 XKB_MODEL=${XKB_MODEL:=""}
87 88 XKB_LAYOUT=${XKB_LAYOUT:=""}
88 89 XKB_VARIANT=${XKB_VARIANT:=""}
89 90 XKB_OPTIONS=${XKB_OPTIONS:=""}
90 91
91 92 # Network settings (DHCP)
92 93 ENABLE_DHCP=${ENABLE_DHCP:=true}
93 94
94 95 # Network settings (static)
95 96 NET_ADDRESS=${NET_ADDRESS:=""}
96 97 NET_GATEWAY=${NET_GATEWAY:=""}
97 98 NET_DNS_1=${NET_DNS_1:=""}
98 99 NET_DNS_2=${NET_DNS_2:=""}
99 100 NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
100 101 NET_NTP_1=${NET_NTP_1:=""}
101 102 NET_NTP_2=${NET_NTP_2:=""}
102 103
103 104 # APT settings
104 105 APT_PROXY=${APT_PROXY:=""}
105 106 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
106 107
107 108 # Feature settings
108 109 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
109 110 ENABLE_I2C=${ENABLE_I2C:=false}
110 111 ENABLE_SPI=${ENABLE_SPI:=false}
111 112 ENABLE_IPV6=${ENABLE_IPV6:=true}
112 113 ENABLE_SSHD=${ENABLE_SSHD:=true}
113 114 ENABLE_NONFREE=${ENABLE_NONFREE:=false}
114 115 ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
115 116 ENABLE_SOUND=${ENABLE_SOUND:=true}
116 117 ENABLE_DBUS=${ENABLE_DBUS:=true}
117 118 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
118 119 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
119 120 ENABLE_XORG=${ENABLE_XORG:=false}
120 121 ENABLE_WM=${ENABLE_WM:=""}
121 122 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
122 123 ENABLE_USER=${ENABLE_USER:=true}
123 124 USER_NAME=${USER_NAME:="pi"}
124 125 ENABLE_ROOT=${ENABLE_ROOT:=false}
125 126 ENABLE_QEMU=${ENABLE_QEMU:=false}
126 127 ENABLE_SYSVINIT=${ENABLE_SYSVINIT:=false}
127 128
128 129 # SSH settings
129 130 SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
130 131 SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
131 132 SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
132 133 SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
133 134 SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
134 135
135 136 # Advanced settings
136 137 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
137 138 ENABLE_REDUCE=${ENABLE_REDUCE:=false}
138 139 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
139 140 UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
140 141 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
141 142 ENABLE_VIDEOCORE=${ENABLE_VIDEOCORE:=false}
142 143 VIDEOCORESRC_DIR=${VIDEOCORESRC_DIR:=""}
143 144 FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
144 145 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
145 146 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
146 147 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
147 148 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
148 149 ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
149 150 DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
150 151
151 152 # Kernel compilation settings
152 153 BUILD_KERNEL=${BUILD_KERNEL:=true}
153 154 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
154 155 KERNEL_THREADS=${KERNEL_THREADS:=1}
155 156 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
156 157 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
157 158 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
158 159 KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
159 160 KERNEL_CCACHE=${KERNEL_CCACHE:=false}
160 161
161 162 # Kernel compilation from source directory settings
162 163 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
163 164 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
164 165 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
165 166 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
166 167
167 168 # Reduce disk usage settings
168 169 REDUCE_APT=${REDUCE_APT:=true}
169 170 REDUCE_DOC=${REDUCE_DOC:=true}
170 171 REDUCE_MAN=${REDUCE_MAN:=true}
171 172 REDUCE_VIM=${REDUCE_VIM:=false}
172 173 REDUCE_BASH=${REDUCE_BASH:=false}
173 174 REDUCE_HWDB=${REDUCE_HWDB:=true}
174 175 REDUCE_SSHD=${REDUCE_SSHD:=true}
175 176 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
176 177
177 178 # Encrypted filesystem settings
178 179 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
179 180 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
180 181 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
181 182 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
182 183 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
183 184
184 185 # Chroot scripts directory
185 186 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
186 187
187 188 # Packages required in the chroot build environment
188 189 APT_INCLUDES=${APT_INCLUDES:=""}
189 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils,locales,keyboard-configuration,console-setup"
190 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils,locales,keyboard-configuration,console-setup,libnss-systemd"
190 191
191 192 # Packages to exclude from chroot build environment
192 193 APT_EXCLUDES=${APT_EXCLUDES:=""}
193 194
194 195 # Packages required for bootstrapping
195 196 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo"
196 197 MISSING_PACKAGES=""
197 198
198 199 # Packages installed for c/c++ build environment in chroot (keep empty)
199 200 COMPILER_PACKAGES=""
200 201
201 202 set +x
202 203
204 #Check if apt-cacher-ng has its default port open on and set APT_PROXY
205 if [ -n "$(lsof -i :3142)" ] ; then
206 HTTP_PROXY=http://127.0.0.1:3142/
207 fi
208
203 209 # Setup architecture specific settings
204 210 if [ -n "$SET_ARCH" ] ; then
205 211 # 64 bit configuration
206 212 if [ "$SET_ARCH" = 64 ] ; then
207 213 # General 64 bit depended settings
208 214 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
209 215 KERNEL_ARCH=${KERNEL_ARCH:=arm64}
210 216 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
211 217
212 218 # Board specific settings
213 219 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
214 220 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
215 221 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
216 222 RELEASE_ARCH=${RELEASE_ARCH:=arm64}
217 223 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
218 224 CROSS_COMPILE=${CROSS_COMPILE:=aarch64-linux-gnu-}
219 225 else
220 226 echo "error: Only Raspberry PI 3 and 3B+ support 64 bit"
221 227 exit 1
222 228 fi
223 229 fi
224 230
225 231 # 32 bit configuration
226 232 if [ "$SET_ARCH" = 32 ] ; then
227 233 # General 32 bit dependend settings
228 234 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
229 235 KERNEL_ARCH=${KERNEL_ARCH:=arm}
230 236 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
231 237
232 238 # Hardware specific settings
233 239 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then
234 240 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"
235 241 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}
236 242 RELEASE_ARCH=${RELEASE_ARCH:=armel}
237 243 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel.img}
238 244 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabi-}
239 245 fi
240 246
241 247 # Hardware specific settings
242 248 if [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
243 249 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
244 250 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
245 251 RELEASE_ARCH=${RELEASE_ARCH:=armhf}
246 252 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
247 253 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
248 254 fi
249 255 fi
250 256 #SET_ARCH not set
251 257 else
252 258 echo "error: Please set '32' or '64' as value for SET_ARCH"
253 259 exit 1
254 260 fi
255 261 # Device specific configuration and U-Boot configuration
256 262 case "$RPI_MODEL" in
257 263 0)
258 264 DTB_FILE=${DTB_FILE:=bcm2708-rpi-0-w.dtb}
259 265 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
260 266 ;;
261 267 1)
262 268 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b.dtb}
263 269 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
264 270 ;;
265 271 1P)
266 272 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b-plus.dtb}
267 273 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
268 274 ;;
269 275 2)
270 276 DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}
271 277 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}
272 278 ;;
273 279 3)
274 280 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
275 281 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
276 282 ;;
277 283 3P)
278 284 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
279 285 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
280 286 ;;
281 287 *)
282 288 echo "error: Raspberry Pi model $RPI_MODEL is not supported!"
283 289 exit 1
284 290 ;;
285 291 esac
286 292
287 293 # Prepare date string for default image file name
288 294 DATE="$(date +%Y-%m-%d)"
289 295 if [ -z "$KERNEL_BRANCH" ] ; then
290 296 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
291 297 else
292 298 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
293 299 fi
294 300
295 301 # Check if the internal wireless interface is supported by the RPi model
296 302 if [ "$ENABLE_WIRELESS" = true ] ; then
297 303 if [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] || [ "$RPI_MODEL" = 2 ] ; then
298 304 echo "error: The selected Raspberry Pi model has no internal wireless interface"
299 305 exit 1
300 else
301 echo "Raspberry Pi $RPI_MODEL has WIFI support"
302 306 fi
303 307 fi
304 308
305 309 # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
306 310 if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
307 311 if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
308 312 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
309 313 exit 1
310 314 fi
311 315 fi
312 316
313 317 # Add cmake to compile videocore sources
314 318 if [ "$ENABLE_VIDEOCORE" = true ] ; then
315 319 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cmake"
316 320 fi
317 321
318 322 # Add libncurses5 to enable kernel menuconfig
319 323 if [ "$KERNEL_MENUCONFIG" = true ] ; then
320 324 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses-dev"
321 325 fi
322 326
323 327 # Add ccache compiler cache for (faster) kernel cross (re)compilation
324 328 if [ "$KERNEL_CCACHE" = true ] ; then
325 329 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
326 330 fi
327 331
328 332 # Add cryptsetup package to enable filesystem encryption
329 333 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
330 334 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
331 335 APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup"
332 336
333 337 if [ -z "$CRYPTFS_PASSWORD" ] ; then
334 338 echo "error: no password defined (CRYPTFS_PASSWORD)!"
335 339 exit 1
336 340 fi
337 341 ENABLE_INITRAMFS=true
338 342 fi
339 343
340 344 # Add initramfs generation tools
341 345 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
342 346 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
343 347 fi
344 348
345 349 # Add device-tree-compiler required for building the U-Boot bootloader
346 350 if [ "$ENABLE_UBOOT" = true ] ; then
347 351 APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bison,flex,bc"
348 352 fi
349 353
350 354 # Check if root SSH (v2) public key file exists
351 355 if [ -n "$SSH_ROOT_PUB_KEY" ] ; then
352 356 if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
353 357 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
354 358 exit 1
355 359 fi
356 360 fi
357 361
358 362 # Check if $USER_NAME SSH (v2) public key file exists
359 363 if [ -n "$SSH_USER_PUB_KEY" ] ; then
360 364 if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
361 365 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
362 366 exit 1
363 367 fi
364 368 fi
365 369
366 370 # Check if all required packages are installed on the build system
367 371 for package in $REQUIRED_PACKAGES ; do
368 if [ "$(dpkg-query -W -f='${Status}' $package)" != "install ok installed" ] ; then
372 if [ "$(dpkg-query -W -f='${Status}' "$package")" != "install ok installed" ] ; then
369 373 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
370 374 fi
371 375 done
372 376
373 377 # If there are missing packages ask confirmation for install, or exit
374 378 if [ -n "$MISSING_PACKAGES" ] ; then
375 379 echo "the following packages needed by this script are not installed:"
376 380 echo "$MISSING_PACKAGES"
377 381
378 382 printf "\ndo you want to install the missing packages right now? [y/n] "
379 383 read -r confirm
380 384 [ "$confirm" != "y" ] && exit 1
381 385
382 386 # Make sure all missing required packages are installed
383 387 apt-get -qq -y install "${MISSING_PACKAGES}"
384 388 fi
385 389
386 390 # Check if ./bootstrap.d directory exists
387 391 if [ ! -d "./bootstrap.d/" ] ; then
388 392 echo "error: './bootstrap.d' required directory not found!"
389 393 exit 1
390 394 fi
391 395
392 396 # Check if ./files directory exists
393 397 if [ ! -d "./files/" ] ; then
394 398 echo "error: './files' required directory not found!"
395 399 exit 1
396 400 fi
397 401
398 402 # Check if specified KERNELSRC_DIR directory exists
399 403 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
400 404 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
401 405 exit 1
402 406 fi
403 407
404 408 # Check if specified UBOOTSRC_DIR directory exists
405 409 if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
406 410 echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
407 411 exit 1
408 412 fi
409 413
410 414 # Check if specified VIDEOCORESRC_DIR directory exists
411 415 if [ -n "$VIDEOCORESRC_DIR" ] && [ ! -d "$VIDEOCORESRC_DIR" ] ; then
412 416 echo "error: '${VIDEOCORESRC_DIR}' specified directory not found (VIDEOCORESRC_DIR)!"
413 417 exit 1
414 418 fi
415 419
416 420 # Check if specified FBTURBOSRC_DIR directory exists
417 421 if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
418 422 echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
419 423 exit 1
420 424 fi
421 425
422 426 # Check if specified CHROOT_SCRIPTS directory exists
423 427 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
424 428 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
425 429 exit 1
426 430 fi
427 431
428 432 # Check if specified device mapping already exists (will be used by cryptsetup)
429 433 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
430 434 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
431 435 exit 1
432 436 fi
433 437
434 438 # Don't clobber an old build
435 439 if [ -e "$BUILDDIR" ] ; then
436 440 echo "error: directory ${BUILDDIR} already exists, not proceeding"
437 441 exit 1
438 442 fi
439 443
440 444 # Setup chroot directory
441 445 mkdir -p "${R}"
442 446
443 447 # Check if build directory has enough of free disk space >512MB
444 448 if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then
445 449 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
446 450 exit 1
447 451 fi
448 452
449 453 set -x
450 454
451 455 # Call "cleanup" function on various signals and errors
452 456 trap cleanup 0 1 2 3 6
453 457
454 458 # Add required packages for the minbase installation
455 459 if [ "$ENABLE_MINBASE" = true ] ; then
456 460 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
457 461 fi
458 462
459 463 # Add parted package, required to get partprobe utility
460 464 if [ "$EXPANDROOT" = true ] ; then
461 465 APT_INCLUDES="${APT_INCLUDES},parted"
462 466 fi
463 467
464 468 # Add dbus package, recommended if using systemd
465 469 if [ "$ENABLE_DBUS" = true ] ; then
466 470 APT_INCLUDES="${APT_INCLUDES},dbus"
467 471 fi
468 472
469 473 # Add iptables IPv4/IPv6 package
470 474 if [ "$ENABLE_IPTABLES" = true ] ; then
471 475 APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"
472 476 fi
473 477
474 478 # Add openssh server package
475 479 if [ "$ENABLE_SSHD" = true ] ; then
476 480 APT_INCLUDES="${APT_INCLUDES},openssh-server"
477 481 fi
478 482
479 483 # Add alsa-utils package
480 484 if [ "$ENABLE_SOUND" = true ] ; then
481 485 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
482 486 fi
483 487
484 488 # Add rng-tools package
485 489 if [ "$ENABLE_HWRANDOM" = true ] ; then
486 490 APT_INCLUDES="${APT_INCLUDES},rng-tools"
487 491 fi
488 492
489 493 # Add fbturbo video driver
490 494 if [ "$ENABLE_FBTURBO" = true ] ; then
491 495 # Enable xorg package dependencies
492 496 ENABLE_XORG=true
493 497 fi
494 498
495 499 # Add user defined window manager package
496 500 if [ -n "$ENABLE_WM" ] ; then
497 501 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
498 502
499 503 # Enable xorg package dependencies
500 504 ENABLE_XORG=true
501 505 fi
502 506
503 507 # Add xorg package
504 508 if [ "$ENABLE_XORG" = true ] ; then
505 509 APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
506 510 fi
507 511
508 512 # Replace selected packages with smaller clones
509 513 if [ "$ENABLE_REDUCE" = true ] ; then
510 514 # Add levee package instead of vim-tiny
511 515 if [ "$REDUCE_VIM" = true ] ; then
512 516 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
513 517 fi
514 518
515 519 # Add dropbear package instead of openssh-server
516 520 if [ "$REDUCE_SSHD" = true ] ; then
517 521 APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"
518 522 fi
519 523 fi
520 524
521 525 # Configure systemd-sysv exclude to make halt/reboot/shutdown scripts available
522 526 if [ "$ENABLE_SYSVINIT" = false ] ; then
523 527 APT_EXCLUDES="--exclude=${APT_EXCLUDES},init,systemd-sysv"
524 528 fi
525 529
526 530 # Check if kernel is getting compiled
527 531 if [ "$BUILD_KERNEL" = false ] ; then
528 532 echo "Downloading precompiled kernel"
529 533 echo "error: not configured"
530 534 exit 1;
531 535 # BUILD_KERNEL=true
532 536 else
533 537 echo "No precompiled kernel repositories were added"
534 538 fi
535 539
536 540 # Configure kernel sources if no KERNELSRC_DIR
537 541 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
538 542 KERNELSRC_CONFIG=true
539 543 fi
540 544
541 545 # Configure reduced kernel
542 546 if [ "$KERNEL_REDUCE" = true ] ; then
543 547 KERNELSRC_CONFIG=false
544 548 fi
545 549
546 550 # Configure qemu compatible kernel
547 551 if [ "$ENABLE_QEMU" = true ] ; then
548 552 DTB_FILE=vexpress-v2p-ca15_a7.dtb
549 553 UBOOT_CONFIG=vexpress_ca15_tc2_defconfig
550 554 KERNEL_DEFCONFIG="vexpress_defconfig"
551 555 if [ "$KERNEL_MENUCONFIG" = false ] ; then
552 556 KERNEL_OLDDEFCONFIG=true
553 557 fi
554 558 fi
555 559
556 560 # Execute bootstrap scripts
557 561 for SCRIPT in bootstrap.d/*.sh; do
558 562 head -n 3 "$SCRIPT"
559 563 . "$SCRIPT"
560 564 done
561 565
562 566 ## Execute custom bootstrap scripts
563 567 if [ -d "custom.d" ] ; then
564 568 for SCRIPT in custom.d/*.sh; do
565 569 . "$SCRIPT"
566 570 done
567 571 fi
568 572
569 573 # Execute custom scripts inside the chroot
570 574 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
571 575 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
572 576 chroot_exec /bin/bash -x <<'EOF'
573 577 for SCRIPT in /chroot_scripts/* ; do
574 578 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
575 579 $SCRIPT
576 580 fi
577 581 done
578 582 EOF
579 583 rm -rf "${R}/chroot_scripts"
580 584 fi
581 585
582 586 # Remove c/c++ build environment from the chroot
583 587 chroot_remove_cc
584 588
585 589 # Generate required machine-id
586 590 MACHINE_ID=$(dbus-uuidgen)
587 591 echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
588 592 echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
589 593
590 594 # APT Cleanup
591 595 chroot_exec apt-get -y clean
592 596 chroot_exec apt-get -y autoclean
593 597 chroot_exec apt-get -y autoremove
594 598
595 599 # Unmount mounted filesystems
596 600 umount -l "${R}/proc"
597 601 umount -l "${R}/sys"
598 602
599 603 # Clean up directories
600 604 rm -rf "${R}/run/*"
601 605 rm -rf "${R}/tmp/*"
602 606
603 607 # Clean up files
604 608 rm -f "${ETC_DIR}/ssh/ssh_host_*"
605 609 rm -f "${ETC_DIR}/dropbear/dropbear_*"
606 610 rm -f "${ETC_DIR}/apt/sources.list.save"
607 611 rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
608 612 rm -f "${ETC_DIR}/*-"
609 613 rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
610 614 rm -f "${ETC_DIR}/resolv.conf"
611 615 rm -f "${R}/root/.bash_history"
612 616 rm -f "${R}/var/lib/urandom/random-seed"
613 617 rm -f "${R}/initrd.img"
614 618 rm -f "${R}/vmlinuz"
615 619 rm -f "${R}${QEMU_BINARY}"
616 620
617 621 if [ "$ENABLE_QEMU" = true ] ; then
618 622 # Setup QEMU directory
619 623 mkdir "${BASEDIR}/qemu"
620 624
621 625 # Copy kernel image to QEMU directory
622 626 install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"
623 627
624 628 # Copy kernel config to QEMU directory
625 629 install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"
626 630
627 631 # Copy kernel dtbs to QEMU directory
628 632 for dtb in "${BOOT_DIR}/"*.dtb ; do
629 633 if [ -f "${dtb}" ] ; then
630 634 install_readonly "${dtb}" "${BASEDIR}/qemu/"
631 635 fi
632 636 done
633 637
634 638 # Copy kernel overlays to QEMU directory
635 639 if [ -d "${BOOT_DIR}/overlays" ] ; then
636 640 # Setup overlays dtbs directory
637 641 mkdir "${BASEDIR}/qemu/overlays"
638 642
639 643 for dtb in "${BOOT_DIR}/overlays/"*.dtb ; do
640 644 if [ -f "${dtb}" ] ; then
641 645 install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"
642 646 fi
643 647 done
644 648 fi
645 649
646 650 # Copy u-boot files to QEMU directory
647 651 if [ "$ENABLE_UBOOT" = true ] ; then
648 652 if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then
649 653 install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"
650 654 fi
651 655 if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then
652 656 install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"
653 657 fi
654 658 if [ -f "${BOOT_DIR}/boot.scr" ] ; then
655 659 install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"
656 660 fi
657 661 fi
658 662
659 663 # Copy initramfs to QEMU directory
660 664 if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then
661 665 install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"
662 666 fi
663 667 fi
664 668
665 669 # Calculate size of the chroot directory in KB
666 670 CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")
667 671
668 672 # Calculate the amount of needed 512 Byte sectors
669 673 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
670 674 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
671 675 ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")
672 676
673 677 # The root partition is EXT4
674 678 # This means more space than the actual used space of the chroot is used.
675 679 # As overhead for journaling and reserved blocks 35% are added.
676 680 ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)
677 681
678 682 # Calculate required image size in 512 Byte sectors
679 683 IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")
680 684
681 685 # Prepare image file
682 686 if [ "$ENABLE_SPLITFS" = true ] ; then
683 687 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"
684 688 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"
685 689 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"
686 690 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"
687 691
688 692 # Write firmware/boot partition tables
689 693 sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
690 694 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
691 695 EOM
692 696
693 697 # Write root partition table
694 698 sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
695 699 ${TABLE_SECTORS},${ROOT_SECTORS},83
696 700 EOM
697 701
698 702 # Setup temporary loop devices
699 703 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME"-frmw.img)"
700 704 ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME"-root.img)"
701 705 else # ENABLE_SPLITFS=false
702 706 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"
703 707 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"
704 708
705 709 # Write partition table
706 710 sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
707 711 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
708 712 ${ROOT_OFFSET},${ROOT_SECTORS},83
709 713 EOM
710 714
711 715 # Setup temporary loop devices
712 716 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME".img)"
713 717 ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME".img)"
714 718 fi
715 719
716 720 if [ "$ENABLE_CRYPTFS" = true ] ; then
717 721 # Create dummy ext4 fs
718 722 mkfs.ext4 "$ROOT_LOOP"
719 723
720 724 # Setup password keyfile
721 725 touch .password
722 726 chmod 600 .password
723 727 echo -n ${CRYPTFS_PASSWORD} > .password
724 728
725 729 # Initialize encrypted partition
726 730 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
727 731
728 732 # Open encrypted partition and setup mapping
729 733 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
730 734
731 735 # Secure delete password keyfile
732 736 shred -zu .password
733 737
734 738 # Update temporary loop device
735 739 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
736 740
737 741 # Wipe encrypted partition (encryption cipher is used for randomness)
738 742 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"
739 743 fi
740 744
741 745 # Build filesystems
742 746 mkfs.vfat "$FRMW_LOOP"
743 747 mkfs.ext4 "$ROOT_LOOP"
744 748
745 749 # Mount the temporary loop devices
746 750 mkdir -p "$BUILDDIR/mount"
747 751 mount "$ROOT_LOOP" "$BUILDDIR/mount"
748 752
749 753 mkdir -p "$BUILDDIR/mount/boot/firmware"
750 754 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
751 755
752 756 # Copy all files from the chroot to the loop device mount point directory
753 757 rsync -a "${R}/" "$BUILDDIR/mount/"
754 758
755 759 # Unmount all temporary loop devices and mount points
756 760 cleanup
757 761
758 762 # Create block map file(s) of image(s)
759 763 if [ "$ENABLE_SPLITFS" = true ] ; then
760 764 # Create block map files for "bmaptool"
761 765 bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
762 766 bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
763 767
764 768 # Image was successfully created
765 769 echo "$IMAGE_NAME-frmw.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
766 770 echo "$IMAGE_NAME-root.img ($(expr \( "${TABLE_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
767 771 else
768 772 # Create block map file for "bmaptool"
769 773 bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
770 774
771 775 # Image was successfully created
772 776 echo "$IMAGE_NAME.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
773 777
774 778 # Create qemu qcow2 image
775 779 if [ "$ENABLE_QEMU" = true ] ; then
776 780 QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
777 781 QEMU_SIZE=16G
778 782
779 783 qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2
780 784 qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE
781 785
782 786 echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"
783 787 fi
784 788 fi
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