##// END OF EJS Templates
Raspi2-3_GenImage
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1 #!/bin/sh
2
3 PREREQ="dropbear"
4
5 prereqs() {
6 echo "$PREREQ"
7 }
8
9 case "$1" in
10 prereqs)
11 prereqs
12 exit 0
13 ;;
14 esac
15
16 . "${CONFDIR}/initramfs.conf"
17 . /usr/share/initramfs-tools/hook-functions
18
19 if [ "${DROPBEAR}" != "n" ] && [ -r "/etc/crypttab" ] ; then
20 cat > "${DESTDIR}/bin/unlock" << EOF
21 #!/bin/sh
22 if PATH=/lib/unlock:/bin:/sbin /scripts/local-top/cryptroot; then
23 kill \`ps | grep cryptroot | grep -v "grep" | awk '{print \$1}'\`
24 # following line kill the remote shell right after the passphrase has
25 # been entered.
26 kill -9 \`ps | grep "\-sh" | grep -v "grep" | awk '{print \$1}'\`
27 exit 0
28 fi
29 exit 1
30 EOF
31
32 chmod 755 "${DESTDIR}/bin/unlock"
33
34 mkdir -p "${DESTDIR}/lib/unlock"
35 cat > "${DESTDIR}/lib/unlock/plymouth" << EOF
36 #!/bin/sh
37 [ "\$1" == "--ping" ] && exit 1
38 /bin/plymouth "\$@"
39 EOF
40
41 chmod 755 "${DESTDIR}/lib/unlock/plymouth"
42
43 echo To unlock root-partition run "unlock" >> ${DESTDIR}/etc/motd
44
45 fi No newline at end of file
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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/debian"
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 `0` = Used for Raspberry Pi 0 and Raspberry Pi 0 W
67 `1` = Used for Pi 1 model A and B
68 `1P` = Used for Pi 1 model B+ and A+
69 `2` = Used for Pi 2 model B
70 `3` = Used for Pi 3 model B
71 `3P` = Used for Pi 3 model B+
72 `BUILD_KERNEL`=true will automatically be set if the Raspberry Pi model `3` or `3P` is used.
66 - `0` = Used for Raspberry Pi 0 and Raspberry Pi 0 W
67 - `1` = Used for Pi 1 model A and B
68 - `1P` = Used for Pi 1 model B+ and A+
69 - `2` = Used for Pi 2 model B
70 - `3` = Used for Pi 3 model B
71 - `3P` = Used for Pi 3 model B+
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
156 156 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 `0` `3` `3P` the CPU speed is locked at lowest speed.
157 157
158 158 ##### `ENABLE_PRINTK`=false
159 159 Enables printing kernel messages to konsole. printk is `3 4 1 3` as in raspbian.
160 160
161 161 ##### `ENABLE_BLUETOOTH`=false
162 162 Enable onboard Bluetooth interface on the RPi0/3/3P. See: https://spellfoundry.com/2016/05/29/configuring-gpio-serial-port-raspbian-jessie-including-pi-3/
163 163
164 164 ##### `ENABLE_MINIUART_OVERLAY`=false
165 165 Enable Bluetooth to use this. Adds overlay to swap UART0 with UART1. Enabling (slower) Bluetooth and full speed serial console. - RPI `0` `3` `3P` have a fast `hardware UART0` (ttyAMA0) and a `mini UART1` (ttyS0)! RPI `1` `1P` `2` only have a `hardware UART0`. `UART0` is considered better, because is faster and more stable than `mini UART1`. By default the Bluetooth modem is mapped to the `hardware UART0` and `mini UART` is used for console. The `mini UART` is a problem for the serial console, because its baudrate depends on the cpu frequency, which is changing on runtime. Resulting in a volatile baudrate and thus in an unusable serial console.
166 166
167 167 ##### `ENABLE_TURBO`=false
168 168 Enable Turbo mode. This setting locks cpu at highest frequency. As setting ENABLE_CONSOLE=true locks RPI to lowest CPU speed, this is can be used additionally to lock cpu hat max speed. Need a good power supply and probably cooling for the Raspberry PI.
169 169
170 170 ##### `ENABLE_I2C`=false
171 171 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.
172 172
173 173 ##### `ENABLE_SPI`=false
174 174 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.
175 175
176 176 ##### `ENABLE_IPV6`=true
177 177 Enable IPv6 support. The network interface configuration is managed via systemd-networkd.
178 178
179 179 ##### `ENABLE_SSHD`=true
180 180 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.
181 181
182 182 ##### `ENABLE_NONFREE`=false
183 183 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.
184 184
185 185 ##### `ENABLE_WIRELESS`=false
186 186 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`.
187 187
188 188 ##### `ENABLE_RSYSLOG`=true
189 189 If set to false, disable and uninstall rsyslog (so logs will be available only in journal files)
190 190
191 191 ##### `ENABLE_SOUND`=true
192 192 Enable sound hardware and install Advanced Linux Sound Architecture.
193 193
194 194 ##### `ENABLE_HWRANDOM`=true
195 195 Enable Hardware Random Number Generator. Strong random numbers are important for most network based communications that use encryption. It's recommended to be enabled.
196 196
197 197 ##### `ENABLE_MINGPU`=false
198 198 Minimize the amount of shared memory reserved for the GPU. It doesn't seem to be possible to fully disable the GPU.
199 199
200 200 ##### `ENABLE_DBUS`=true
201 201 Install and enable D-Bus message bus. Please note that systemd should work without D-bus but it's recommended to be enabled.
202 202
203 203 ##### `ENABLE_XORG`=false
204 204 Install Xorg open-source X Window System.
205 205
206 206 ##### `ENABLE_WM`=""
207 207 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`.
208 208
209 209 ##### `ENABLE_SYSVINIT`=false
210 210 Support for halt,init,poweroff,reboot,runlevel,shutdown,telinit commands
211 211
212 212 ---
213 213
214 214 #### Advanced system features:
215 215 ##### `ENABLE_MINBASE`=false
216 216 Use debootstrap script variant `minbase` which only includes essential packages and apt. This will reduce the disk usage by about 65 MB.
217 217
218 218 ##### `ENABLE_REDUCE`=false
219 219 Reduce the disk space usage by deleting packages and files. See `REDUCE_*` parameters for detailed information.
220 220
221 221 ##### `ENABLE_UBOOT`=false
222 222 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.
223 223
224 224 ##### `UBOOTSRC_DIR`=""
225 225 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.
226 226
227 227 ##### `ENABLE_FBTURBO`=false
228 228 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.
229 229
230 230 ##### `FBTURBOSRC_DIR`=""
231 231 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.
232 232
233 233 ##### `ENABLE_VIDEOCORE`=false
234 234 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.
235 235
236 236 ##### `VIDEOCORESRC_DIR`=""
237 237 Path to a directory (`userland`) of [Source code for a C-based firmware patching framework for Broadcom/Cypress WiFi chips that enables you to write your own firmware patches, for example, to enable monitor mode with radiotap headers and frame injection](https://github.com/seemoo-lab/nexmon.git) that will be copied, configured, build and installed inside the chroot.
238 238
239 239 ##### `ENABLE_NEXMON`=false
240 240 Install and enable the [Source code for a C-based firmware patching framework for Broadcom/Cypress WiFi chips that enables you to write your own firmware patches, for example, to enable monitor mode with radiotap headers and frame injection](https://github.com/seemoo-lab/nexmon.git).
241 241
242 242 ##### `NEXMON_DIR`=""
243 243 Path to a directory (`nexmon`) 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.
244 244
245 245 ##### `ENABLE_IPTABLES`=false
246 246 Enable iptables IPv4/IPv6 firewall. Simplified ruleset: Allow all outgoing connections. Block all incoming connections except to OpenSSH service.
247 247
248 248 ##### `ENABLE_USER`=true
249 249 Create non-root user with password `USER_PASSWORD`=raspberry. Unless overridden with `USER_NAME`=user, username will be `pi`.
250 250
251 251 ##### `USER_NAME`=pi
252 252 Non-root user to create. Ignored if `ENABLE_USER`=false
253 253
254 254 ##### `ENABLE_ROOT`=false
255 255 Set root user password so root login will be enabled
256 256
257 257 ##### `ENABLE_HARDNET`=false
258 258 Enable IPv4/IPv6 network stack hardening settings.
259 259
260 260 ##### `ENABLE_SPLITFS`=false
261 261 Enable having root partition on an USB drive by creating two image files: one for the `/boot/firmware` mount point, and another for `/`.
262 262
263 263 ##### `CHROOT_SCRIPTS`=""
264 264 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.
265 265
266 266 ##### `ENABLE_INITRAMFS`=false
267 267 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.
268 268
269 269 ##### `ENABLE_IFNAMES`=true
270 270 Enable automatic assignment of predictable, stable network interface names for all local Ethernet, WLAN interfaces. This might create complex and long interface names.
271 271
272 272 ##### `DISABLE_UNDERVOLT_WARNINGS`=
273 273 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.
274 274
275 275 ---
276 276
277 277 #### SSH settings:
278 278 ##### `SSH_ENABLE_ROOT`=false
279 279 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`.
280 280
281 281 ##### `SSH_DISABLE_PASSWORD_AUTH`=false
282 282 Disable password based SSH authentication. Only public key based SSH (v2) authentication will be supported.
283 283
284 284 ##### `SSH_LIMIT_USERS`=false
285 285 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).
286 286
287 287 ##### `SSH_ROOT_PUB_KEY`=""
288 288 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`.
289 289
290 290 ##### `SSH_USER_PUB_KEY`=""
291 291 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.
292 292
293 293 ---
294 294
295 295 #### Kernel compilation:
296 296 ##### `BUILD_KERNEL`=true
297 297 Build and install the latest RPi2/3 Linux kernel. Currently only the default RPi2/3 kernel configuration is used.
298 298
299 299 ##### `CROSS_COMPILE`="arm-linux-gnueabihf-"
300 300 This sets the cross compile enviornment for the compiler.
301 301
302 302 ##### `KERNEL_ARCH`="arm"
303 303 This sets the kernel architecture for the compiler.
304 304
305 305 ##### `KERNEL_IMAGE`="kernel7.img"
306 306 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.
307 307
308 308 ##### `KERNEL_BRANCH`=""
309 309 Name of the requested branch from the GIT location for the RPi Kernel. Default is using the current default branch from the GIT site.
310 310
311 311 ##### `QEMU_BINARY`="/usr/bin/qemu-arm-static"
312 312 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.
313 313
314 314 ##### `KERNEL_DEFCONFIG`="bcm2709_defconfig"
315 315 Sets the default config for kernel compiling. If not set, `KERNEL_DEFCONFIG` will be set to "bcmrpi3\_defconfig" automatically if building for arm64.
316 316
317 317 ##### `KERNEL_REDUCE`=false
318 318 Reduce the size of the generated kernel by removing unwanted device, network and filesystem drivers (experimental).
319 319
320 320 ##### `KERNEL_THREADS`=1
321 321 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.
322 322
323 323 ##### `KERNEL_HEADERS`=true
324 324 Install kernel headers with built kernel.
325 325
326 326 ##### `KERNEL_MENUCONFIG`=false
327 327 Start `make menuconfig` interactive menu-driven kernel configuration. The script will continue after `make menuconfig` was terminated.
328 328
329 329 ##### `KERNEL_OLDDEFCONFIG`=false
330 330 Run `make olddefconfig` to automatically set all new kernel configuration options to their recommended default values.
331 331
332 332 ##### `KERNEL_CCACHE`=false
333 333 Compile the kernel using ccache. This speeds up kernel recompilation by caching previous compilations and detecting when the same compilation is being done again.
334 334
335 335 ##### `KERNEL_REMOVESRC`=true
336 336 Remove all kernel sources from the generated OS image after it was built and installed.
337 337
338 338 ##### `KERNELSRC_DIR`=""
339 339 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.
340 340
341 341 ##### `KERNELSRC_CLEAN`=false
342 342 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.
343 343
344 344 ##### `KERNELSRC_CONFIG`=true
345 345 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.
346 346
347 347 ##### `KERNELSRC_USRCONFIG`=""
348 348 Copy own config file to kernel `.config`. If `KERNEL_MENUCONFIG`=true then running after copy.
349 349
350 350 ##### `KERNELSRC_PREBUILT`=false
351 351 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.
352 352
353 353 ##### `RPI_FIRMWARE_DIR`=""
354 354 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.
355 355
356 356 ##### `KERNEL_NF`=false
357 357 Enable Netfilter modules as kernel modules
358 358
359 359 ##### `KERNEL_VIRT`=false
360 360 Enable Kernel KVM support (/dev/kvm)
361 361
362 362 ##### `KERNEL_ZSWAP`=false
363 363 Enable Kernel Zswap support. Best use on high RAM load and mediocre CPU load usecases
364 364
365 365 ##### `KERNEL_BPF`=true
366 366 Allow attaching eBPF programs to a cgroup using the bpf syscall (CONFIG_BPF_SYSCALL CONFIG_CGROUP_BPF) [systemd compilations about it - File /lib/systemd/system/systemd-journald.server:36 configures an IP firewall (IPAddressDeny=all), but the local system does not support BPF/cgroup based firewalls]
367 367
368 368 ---
369 369
370 370 #### Reduce disk usage:
371 371 The following list of parameters is ignored if `ENABLE_REDUCE`=false.
372 372
373 373 ##### `REDUCE_APT`=true
374 374 Configure APT to use compressed package repository lists and no package caching files.
375 375
376 376 ##### `REDUCE_DOC`=true
377 377 Remove all doc files (harsh). Configure APT to not include doc files on future `apt-get` package installations.
378 378
379 379 ##### `REDUCE_MAN`=true
380 380 Remove all man pages and info files (harsh). Configure APT to not include man pages on future `apt-get` package installations.
381 381
382 382 ##### `REDUCE_VIM`=false
383 383 Replace `vim-tiny` package by `levee` a tiny vim clone.
384 384
385 385 ##### `REDUCE_BASH`=false
386 386 Remove `bash` package and switch to `dash` shell (experimental).
387 387
388 388 ##### `REDUCE_HWDB`=true
389 389 Remove PCI related hwdb files (experimental).
390 390
391 391 ##### `REDUCE_SSHD`=true
392 392 Replace `openssh-server` with `dropbear`.
393 393
394 394 ##### `REDUCE_LOCALE`=true
395 395 Remove all `locale` translation files.
396 396
397 397 ---
398 398
399 399 #### Encrypted root partition:
400 400 ##### `ENABLE_CRYPTFS`=false
401 401 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.
402 402
403 403 ##### `CRYPTFS_PASSWORD`=""
404 404 Set password of the encrypted root partition. This parameter is mandatory if `ENABLE_CRYPTFS`=true.
405 405
406 406 ##### `CRYPTFS_MAPPING`="secure"
407 407 Set name of dm-crypt managed device-mapper mapping.
408 408
409 409 ##### `CRYPTFS_CIPHER`="aes-xts-plain64:sha512"
410 410 Set cipher specification string. `aes-xts*` ciphers are strongly recommended.
411 411
412 412 ##### `CRYPTFS_XTSKEYSIZE`=512
413 413 Sets key size in bits. The argument has to be a multiple of 8.
414 414
415 ##### `CRYPTFS_DROPBEAR`=false
416 Enable Dropbear Initramfs support
417
418 ##### `CRYPTFS_DROPBEAR_PUBKEY`=""
419 Provide path to dropbear Public RSA-OpenSSH Key
420
415 421 ---
416 422
417 423 #### Build settings:
418 424 ##### `BASEDIR`=$(pwd)/images/${RELEASE}
419 425 Set a path to a working directory used by the script to generate an image.
420 426
421 427 ##### `IMAGE_NAME`=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}
422 428 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.
423 429
424 430 ## Understanding the script
425 431 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:
426 432
427 433 | Script | Description |
428 434 | --- | --- |
429 435 | `10-bootstrap.sh` | Debootstrap basic system |
430 436 | `11-apt.sh` | Setup APT repositories |
431 437 | `12-locale.sh` | Setup Locales and keyboard settings |
432 438 | `13-kernel.sh` | Build and install RPi2/3 Kernel |
433 439 | `14-fstab.sh` | Setup fstab and initramfs |
434 440 | `15-rpi-config.sh` | Setup RPi2/3 config and cmdline |
435 441 | `20-networking.sh` | Setup Networking |
436 442 | `21-firewall.sh` | Setup Firewall |
437 443 | `30-security.sh` | Setup Users and Security settings |
438 444 | `31-logging.sh` | Setup Logging |
439 445 | `32-sshd.sh` | Setup SSH and public keys |
440 446 | `41-uboot.sh` | Build and Setup U-Boot |
441 447 | `42-fbturbo.sh` | Build and Setup fbturbo Xorg driver |
442 448 | `50-firstboot.sh` | First boot actions |
443 449 | `99-reduce.sh` | Reduce the disk space usage |
444 450
445 451 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.
446 452
447 453 | Directory | Description |
448 454 | --- | --- |
449 455 | `apt` | APT management configuration files |
450 456 | `boot` | Boot and RPi2/3 configuration files |
451 457 | `dpkg` | Package Manager configuration |
452 458 | `etc` | Configuration files and rc scripts |
453 459 | `firstboot` | Scripts that get executed on first boot |
454 460 | `initramfs` | Initramfs scripts |
455 461 | `iptables` | Firewall configuration files |
456 462 | `locales` | Locales configuration |
457 463 | `modules` | Kernel Modules configuration |
458 464 | `mount` | Fstab configuration |
459 465 | `network` | Networking configuration files |
460 466 | `sysctl.d` | Swapping and Network Hardening configuration |
461 467 | `xorg` | fbturbo Xorg driver configuration |
462 468
463 469 ## Custom packages and scripts
464 470 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`.
465 471
466 472 Scripts in the custom.d directory will be executed after all other installation is complete but before the image is created.
467 473
468 474 ## Logging of the bootstrapping process
469 475 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:
470 476
471 477 ```shell
472 478 script -c 'APT_SERVER=ftp.de.debian.org ./rpi23-gen-image.sh' ./build.log
473 479 ```
474 480
475 481 ## Flashing the image file
476 482 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`.
477 483
478 484 ##### Flashing examples:
479 485 ```shell
480 486 bmaptool copy ./images/buster/2017-01-23-rpi3-buster.img /dev/mmcblk0
481 487 dd bs=4M if=./images/buster/2017-01-23-rpi3-buster.img of=/dev/mmcblk0
482 488 ```
483 489 If you have set `ENABLE_SPLITFS`, copy the `-frmw` image on the microSD card, then the `-root` one on the USB drive:
484 490 ```shell
485 491 bmaptool copy ./images/buster/2017-01-23-rpi3-buster-frmw.img /dev/mmcblk0
486 492 bmaptool copy ./images/buster/2017-01-23-rpi3-buster-root.img /dev/sdc
487 493 ```
488 494
489 495 ## QEMU emulation
490 496 Start QEMU full system emulation:
491 497 ```shell
492 498 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"
493 499 ```
494 500
495 501 Start QEMU full system emulation and output to console:
496 502 ```shell
497 503 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
498 504 ```
499 505
500 506 Start QEMU full system emulation with SMP and output to console:
501 507 ```shell
502 508 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
503 509 ```
504 510
505 511 Start QEMU full system emulation with cryptfs, initramfs and output to console:
506 512 ```shell
507 513 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
508 514 ```
509 515
510 516 ## External links and references
511 517 * [Debian worldwide mirror sites](https://www.debian.org/mirror/list)
512 518 * [Debian Raspberry Pi 2 Wiki](https://wiki.debian.org/RaspberryPi2)
513 519 * [Debian CrossToolchains Wiki](https://wiki.debian.org/CrossToolchains)
514 520 * [Official Raspberry Pi Firmware on github](https://github.com/raspberrypi/firmware)
515 521 * [Official Raspberry Pi Kernel on github](https://github.com/raspberrypi/linux)
516 522 * [U-BOOT git repository](https://git.denx.de/?p=u-boot.git;a=summary)
517 523 * [Xorg DDX driver fbturbo](https://github.com/ssvb/xf86-video-fbturbo)
518 524 * [RPi3 Wireless interface firmware](https://github.com/RPi-Distro/firmware-nonfree/tree/master/brcm80211/brcm)
519 525 * [Collabora RPi2 Kernel precompiled](https://repositories.collabora.co.uk/debian/)
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1 1 #
2 2 # Setup fstab and initramfs
3 3 #
4 4
5 5 # Load utility functions
6 6 . ./functions.sh
7 7
8 8 # Install and setup fstab
9 9 install_readonly files/mount/fstab "${ETC_DIR}/fstab"
10 10
11 11 if [ "$ENABLE_UBOOTUSB" = true ] ; then
12 12 sed -i "s/mmcblk0p1/sda1/" "${ETC_DIR}/fstab"
13 13 sed -i "s/mmcblk0p2/sda2/" "${ETC_DIR}/fstab"
14 14 fi
15 15
16 16 # Add usb/sda disk root partition to fstab
17 17 if [ "$ENABLE_SPLITFS" = true ] && [ "$ENABLE_CRYPTFS" = false ] ; then
18 18 sed -i "s/mmcblk0p2/sda1/" "${ETC_DIR}/fstab"
19 19 fi
20 20
21 21 # Add encrypted root partition to fstab and crypttab
22 22 if [ "$ENABLE_CRYPTFS" = true ] ; then
23 23 # Replace fstab root partition with encrypted partition mapping
24 24 sed -i "s/mmcblk0p2/mapper\/${CRYPTFS_MAPPING}/" "${ETC_DIR}/fstab"
25 25
26 26 # Add encrypted partition to crypttab and fstab
27 27 install_readonly files/mount/crypttab "${ETC_DIR}/crypttab"
28 28 echo "${CRYPTFS_MAPPING} /dev/mmcblk0p2 none luks,initramfs" >> "${ETC_DIR}/crypttab"
29 29
30 30 if [ "$ENABLE_SPLITFS" = true ] ; then
31 31 # Add usb/sda disk to crypttab
32 32 sed -i "s/mmcblk0p2/sda1/" "${ETC_DIR}/crypttab"
33 33 fi
34 34 fi
35 35
36 36 # Generate initramfs file
37 37 if [ "$BUILD_KERNEL" = true ] && [ "$ENABLE_INITRAMFS" = true ] ; then
38 38 if [ "$ENABLE_CRYPTFS" = true ] ; then
39 39 # Include initramfs scripts to auto expand encrypted root partition
40 40 if [ "$EXPANDROOT" = true ] ; then
41 41 install_exec files/initramfs/expand_encrypted_rootfs "${ETC_DIR}/initramfs-tools/scripts/init-premount/expand_encrypted_rootfs"
42 42 install_exec files/initramfs/expand-premount "${ETC_DIR}/initramfs-tools/scripts/local-premount/expand-premount"
43 43 install_exec files/initramfs/expand-tools "${ETC_DIR}/initramfs-tools/hooks/expand-tools"
44 44 fi
45 45
46 if [ "$CRYPTFS_DROPBEAR" = true ]; then
47 if [ -n "$CRYPTFS_DROPBEAR_PUBKEY" ] && [ -f "$CRYPTFS_DROPBEAR_PUBKEY" ] ; then
48 install_readonly "${CRYPTFS_DROPBEAR_PUBKEY}" "${ETC_DIR}/dropbear-initramfs/id_rsa.pub"
49 cat /etc/dropbear-initramfs/id_rsa.pub >> /etc/dropbear-initramfs/authorized_keys
50 else
51 # Create key
52 chroot_exec /usr/bin/dropbearkey -t rsa -f /etc/dropbear-initramfs/id_rsa.dropbear
53
54 # Convert dropbear key to openssh key
55 chroot_exec /usr/lib/dropbear/dropbearconvert dropbear openssh /etc/dropbear-initramfs/id_rsa.dropbear /etc/dropbear-initramfs/id_rsa
56
57 # Get Public Key Part
58 touch /etc/dropbear-initramfs/id_rsa.pub
59 chroot_exec /usr/bin/dropbearkey -y -f /etc/dropbear-initramfs/id_rsa.dropbear | chroot_exec tee /etc/dropbear-initramfs/id_rsa.pub
60
61 # Delete unwanted lines
62 sed -i '/Public/d' "${ETC_DIR}"/dropbear-initramfs/id_rsa.pub
63 sed -i '/Fingerprint/d' "${ETC_DIR}"/dropbear-initramfs/id_rsa.pub
64
65 # Trust the new key
66 touch "${ETC_DIR}"/dropbear-initramfs/authorized_keys
67 cat "${ETC_DIR}"/dropbear-initramfs/id_rsa.pub | chroot_exec tee -a "${ETC_DIR}"/dropbear-initramfs/authorized_keys
68
69 # Save Keys - convert with putty from rsa/openssh to puttkey
70 cp -f "${ETC_DIR}"/dropbear-initramfs/id_rsa "${BASEDIR}"/dropbear_initramfs_key.rsa
71
72 #Get unlock script
73 install_exec files/initramfs/crypt_unlock.sh "${ETC_DIR}/initramfs-tools/hooks/crypt_unlock.sh"
74 fi
75 else
46 76 # Disable SSHD inside initramfs
47 77 printf "#\n# DROPBEAR: [ y | n ]\n#\n\nDROPBEAR=n\n" >> "${ETC_DIR}/initramfs-tools/initramfs.conf"
78 fi
48 79
49 80 # Add cryptsetup modules to initramfs
50 81 printf "#\n# CRYPTSETUP: [ y | n ]\n#\n\nCRYPTSETUP=y\n" >> "${ETC_DIR}/initramfs-tools/conf-hook"
51 82
52 83 # Dummy mapping required by mkinitramfs
53 84 echo "0 1 crypt $(echo "${CRYPTFS_CIPHER}" | cut -d ':' -f 1) ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff 0 7:0 4096" | chroot_exec dmsetup create "${CRYPTFS_MAPPING}"
54 85
55 86 # Generate initramfs with encrypted root partition support
56 87 chroot_exec mkinitramfs -o "/boot/firmware/initramfs-${KERNEL_VERSION}" "${KERNEL_VERSION}"
57 88
58 89 # Remove dummy mapping
59 90 chroot_exec cryptsetup close "${CRYPTFS_MAPPING}"
60 91 else
61 92 # Generate initramfs without encrypted root partition support
62 93 chroot_exec mkinitramfs -o "/boot/firmware/initramfs-${KERNEL_VERSION}" "${KERNEL_VERSION}"
63 94 fi
64 95 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 #BIS= Kernel has KVM and zswap enabled
60 60 RPI3_64_BIS_KERNEL_URL=${RPI3_64_BIS_KERNEL_URL:=https://github.com/sakaki-/bcmrpi3-kernel-bis/releases/download/4.14.80.20181113/bcmrpi3-kernel-bis-4.14.80.20181113.tar.xz}
61 61 #default bcmrpi3_defconfig target kernel
62 62 RPI3_64_DEF_KERNEL_URL=${RPI3_64_DEF_KERNEL_URL:=https://github.com/sakaki-/bcmrpi3-kernel/releases/download/4.14.80.20181113/bcmrpi3-kernel-4.14.80.20181113.tar.xz}
63 63 #enhanced kernel
64 64 RPI3_64_KERNEL_URL=${RPI3_64_KERNEL_URL:=$RPI3_64_BIS_KERNEL_URL}
65 65 BLUETOOTH_URL=${BLUETOOTH_URL:=https://github.com/RPi-Distro/pi-bluetooth.git}
66 66 NEXMON_URL=${NEXMON_URL:=https://github.com/seemoo-lab/nexmon.git}
67 67
68 68 # Build directories
69 69 WORKDIR=$(pwd)
70 70 BASEDIR=${BASEDIR:=${WORKDIR}/images/${RELEASE}}
71 71 BUILDDIR="${BASEDIR}/build"
72 72
73 73 # Chroot directories
74 74 R="${BUILDDIR}/chroot"
75 75 ETC_DIR="${R}/etc"
76 76 LIB_DIR="${R}/lib"
77 77 BOOT_DIR="${R}/boot/firmware"
78 78 KERNEL_DIR="${R}/usr/src/linux"
79 79 WLAN_FIRMWARE_DIR="${LIB_DIR}/firmware/brcm"
80 80 BLUETOOTH_FIRMWARE_DIR="${ETC_DIR}/firmware/bt"
81 81
82 82 # Firmware directory: Blank if download from github
83 83 RPI_FIRMWARE_DIR=${RPI_FIRMWARE_DIR:=""}
84 84
85 85 # General settings
86 86 SET_ARCH=${SET_ARCH:=32}
87 87 HOSTNAME=${HOSTNAME:=rpi${RPI_MODEL}-${RELEASE}}
88 88 PASSWORD=${PASSWORD:=raspberry}
89 89 USER_PASSWORD=${USER_PASSWORD:=raspberry}
90 90 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
91 91 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
92 92 EXPANDROOT=${EXPANDROOT:=true}
93 93
94 94 # Keyboard settings
95 95 XKB_MODEL=${XKB_MODEL:=""}
96 96 XKB_LAYOUT=${XKB_LAYOUT:=""}
97 97 XKB_VARIANT=${XKB_VARIANT:=""}
98 98 XKB_OPTIONS=${XKB_OPTIONS:=""}
99 99
100 100 # Network settings (DHCP)
101 101 ENABLE_DHCP=${ENABLE_DHCP:=true}
102 102
103 103 # Network settings (static)
104 104 NET_ADDRESS=${NET_ADDRESS:=""}
105 105 NET_GATEWAY=${NET_GATEWAY:=""}
106 106 NET_DNS_1=${NET_DNS_1:=""}
107 107 NET_DNS_2=${NET_DNS_2:=""}
108 108 NET_DNS_DOMAINS=${NET_DNS_DOMAINS:=""}
109 109 NET_NTP_1=${NET_NTP_1:=""}
110 110 NET_NTP_2=${NET_NTP_2:=""}
111 111
112 112 # APT settings
113 113 APT_PROXY=${APT_PROXY:=""}
114 114 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
115 115
116 116 # Feature settings
117 117 ENABLE_PRINTK=${ENABLE_PRINTK:=false}
118 118 ENABLE_BLUETOOTH=${ENABLE_BLUETOOTH:=false}
119 119 ENABLE_MINIUART_OVERLAY=${ENABLE_MINIUART_OVERLAY:=false}
120 120 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
121 121 ENABLE_I2C=${ENABLE_I2C:=false}
122 122 ENABLE_SPI=${ENABLE_SPI:=false}
123 123 ENABLE_IPV6=${ENABLE_IPV6:=true}
124 124 ENABLE_SSHD=${ENABLE_SSHD:=true}
125 125 ENABLE_NONFREE=${ENABLE_NONFREE:=false}
126 126 ENABLE_WIRELESS=${ENABLE_WIRELESS:=false}
127 127 ENABLE_SOUND=${ENABLE_SOUND:=true}
128 128 ENABLE_DBUS=${ENABLE_DBUS:=true}
129 129 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
130 130 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
131 131 ENABLE_XORG=${ENABLE_XORG:=false}
132 132 ENABLE_WM=${ENABLE_WM:=""}
133 133 ENABLE_RSYSLOG=${ENABLE_RSYSLOG:=true}
134 134 ENABLE_USER=${ENABLE_USER:=true}
135 135 USER_NAME=${USER_NAME:="pi"}
136 136 ENABLE_ROOT=${ENABLE_ROOT:=false}
137 137 ENABLE_QEMU=${ENABLE_QEMU:=false}
138 138 ENABLE_SYSVINIT=${ENABLE_SYSVINIT:=false}
139 139
140 140 # SSH settings
141 141 SSH_ENABLE_ROOT=${SSH_ENABLE_ROOT:=false}
142 142 SSH_DISABLE_PASSWORD_AUTH=${SSH_DISABLE_PASSWORD_AUTH:=false}
143 143 SSH_LIMIT_USERS=${SSH_LIMIT_USERS:=false}
144 144 SSH_ROOT_PUB_KEY=${SSH_ROOT_PUB_KEY:=""}
145 145 SSH_USER_PUB_KEY=${SSH_USER_PUB_KEY:=""}
146 146
147 147 # Advanced settings
148 148 ENABLE_MINBASE=${ENABLE_MINBASE:=false}
149 149 ENABLE_REDUCE=${ENABLE_REDUCE:=false}
150 150 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
151 151 UBOOTSRC_DIR=${UBOOTSRC_DIR:=""}
152 152 ENABLE_UBOOTUSB=${ENABLE_UBOOTUSB=false}
153 153 ENABLE_FBTURBO=${ENABLE_FBTURBO:=false}
154 154 ENABLE_VIDEOCORE=${ENABLE_VIDEOCORE:=false}
155 155 ENABLE_NEXMON=${ENABLE_NEXMON:="false"}
156 156 VIDEOCORESRC_DIR=${VIDEOCORESRC_DIR:=""}
157 157 FBTURBOSRC_DIR=${FBTURBOSRC_DIR:=""}
158 158 NEXMON_DIR=${NEXMON_DIR:=""}
159 159 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
160 160 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
161 161 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
162 162 ENABLE_INITRAMFS=${ENABLE_INITRAMFS:=false}
163 163 ENABLE_IFNAMES=${ENABLE_IFNAMES:=true}
164 164 DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS:=}
165 165
166 166 # Kernel compilation settings
167 167 BUILD_KERNEL=${BUILD_KERNEL:=true}
168 168 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
169 169 KERNEL_THREADS=${KERNEL_THREADS:=1}
170 170 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
171 171 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
172 172 KERNEL_REMOVESRC=${KERNEL_REMOVESRC:=true}
173 173 KERNEL_OLDDEFCONFIG=${KERNEL_OLDDEFCONFIG:=false}
174 174 KERNEL_CCACHE=${KERNEL_CCACHE:=false}
175 175 KERNEL_ZSWAP=${KERNEL_ZSWAP:=false}
176 176 KERNEL_VIRT=${KERNEL_VIRT:=false}
177 177 KERNEL_BPF=${KERNEL_BPF:=false}
178 178
179 179 # Kernel compilation from source directory settings
180 180 KERNELSRC_DIR=${KERNELSRC_DIR:=""}
181 181 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
182 182 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
183 183 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
184 184
185 185 # Reduce disk usage settings
186 186 REDUCE_APT=${REDUCE_APT:=true}
187 187 REDUCE_DOC=${REDUCE_DOC:=true}
188 188 REDUCE_MAN=${REDUCE_MAN:=true}
189 189 REDUCE_VIM=${REDUCE_VIM:=false}
190 190 REDUCE_BASH=${REDUCE_BASH:=false}
191 191 REDUCE_HWDB=${REDUCE_HWDB:=true}
192 192 REDUCE_SSHD=${REDUCE_SSHD:=true}
193 193 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
194 194
195 195 # Encrypted filesystem settings
196 196 ENABLE_CRYPTFS=${ENABLE_CRYPTFS:=false}
197 197 CRYPTFS_PASSWORD=${CRYPTFS_PASSWORD:=""}
198 198 CRYPTFS_MAPPING=${CRYPTFS_MAPPING:="secure"}
199 199 CRYPTFS_CIPHER=${CRYPTFS_CIPHER:="aes-xts-plain64:sha512"}
200 200 CRYPTFS_XTSKEYSIZE=${CRYPTFS_XTSKEYSIZE:=512}
201 #Dropbear-initramfs supports unlocking encrypted filesystem via SSH on bootup
202 CRYPTFS_DROPBEAR=${CRYPTFS_DROPBEAR:=true}
203 #Provide your own Dropbear Public RSA-OpenSSH Key otherwise it will be generated
204 CRYPTFS_DROPBEAR_PUBKEY=${CRYPTFS_DROPBEAR_PUBKEY:=""}
201 205
202 206 # Chroot scripts directory
203 207 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
204 208
205 209 # Packages required in the chroot build environment
206 210 APT_INCLUDES=${APT_INCLUDES:=""}
207 211 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo,systemd,sysvinit-utils,locales,keyboard-configuration,console-setup,libnss-systemd"
208 212
209 213 #Packages to exclude from chroot build environment
210 214 APT_EXCLUDES=${APT_EXCLUDES:=""}
211 215
212 216 # Packages required for bootstrapping
213 217 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git bc psmisc dbus sudo netselect-apt"
214 218 MISSING_PACKAGES=""
215 219
216 220 # Packages installed for c/c++ build environment in chroot (keep empty)
217 221 COMPILER_PACKAGES=""
218 222
219 223 set +x
220 224
221 225 #Check if apt-cacher-ng has port 3142 open and set APT_PROXY
222 226 APT_CACHER_RUNNING=$(lsof -i :3142 | grep apt-cacher-ng | cut -d ' ' -f3 | uniq)
223 227 if [ -n "${APT_CACHER_RUNNING}" ] ; then
224 228 APT_PROXY=http://127.0.0.1:3142/
225 229 fi
226 230
227 231 #netselect-apt does not know buster yet
228 232 if [ "$RELEASE" = "buster" ] ; then
229 233 RLS=testing
230 234 else
231 235 RLS="$RELEASE"
232 236 fi
233 237
234 238 if [ -f "$(pwd)/files/apt/sources.list" ] ; then
235 239 rm "$(pwd)/files/apt/sources.list"
236 240 fi
237 241
238 242 if [ "$ENABLE_NONFREE" = true ] ; then
239 243 netselect-apt --arch "$RELEASE_ARCH" --tests 10 --sources --nonfree --outfile "$(pwd)/files/apt/sources.list" -d "$RLS"
240 244 else
241 245 netselect-apt --arch "$RELEASE_ARCH" --tests 10 --sources --outfile "$(pwd)/files/apt/sources.list" -d "$RLS"
242 246 fi
243 247
244 248 #sed and cut the result string so we can use it as APT_SERVER
245 249 APT_SERVER=$(grep -m 1 http files/apt/sources.list | sed "s|http://| |g" | cut -d ' ' -f 3 | sed 's|/$|''|')
246 250
247 251 #make script easier and more stable to use with convenient setup switch. Just setup SET_ARCH and RPI_MODEL and your good to go!
248 252 if [ -n "$SET_ARCH" ] ; then
249 253 # 64 bit configuration
250 254 if [ "$SET_ARCH" = 64 ] ; then
251 255 # General 64 bit depended settings
252 256 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-aarch64-static}
253 257 KERNEL_ARCH=${KERNEL_ARCH:=arm64}
254 258 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="Image"}
255 259
256 260 # Board specific settings
257 261 if [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
258 262 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-arm64"
259 263 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi3_defconfig}
260 264 RELEASE_ARCH=${RELEASE_ARCH:=arm64}
261 265 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel8.img}
262 266 CROSS_COMPILE=${CROSS_COMPILE:=aarch64-linux-gnu-}
263 267 else
264 268 echo "error: Only Raspberry PI 3 and 3B+ support 64 bit"
265 269 exit 1
266 270 fi
267 271 fi
268 272
269 273 # 32 bit configuration
270 274 if [ "$SET_ARCH" = 32 ] ; then
271 275 # General 32 bit dependend settings
272 276 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
273 277 KERNEL_ARCH=${KERNEL_ARCH:=arm}
274 278 KERNEL_BIN_IMAGE=${KERNEL_BIN_IMAGE:="zImage"}
275 279
276 280 # Hardware specific settings
277 281 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 1 ] || [ "$RPI_MODEL" = 1P ] ; then
278 282 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armel"
279 283 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcmrpi_defconfig}
280 284 RELEASE_ARCH=${RELEASE_ARCH:=armel}
281 285 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel.img}
282 286 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabi-}
283 287 fi
284 288
285 289 # Hardware specific settings
286 290 if [ "$RPI_MODEL" = 2 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
287 291 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
288 292 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
289 293 RELEASE_ARCH=${RELEASE_ARCH:=armhf}
290 294 KERNEL_IMAGE=${KERNEL_IMAGE:=kernel7.img}
291 295 CROSS_COMPILE=${CROSS_COMPILE:=arm-linux-gnueabihf-}
292 296 fi
293 297 fi
294 298 #SET_ARCH not set
295 299 else
296 300 echo "error: Please set '32' or '64' as value for SET_ARCH"
297 301 exit 1
298 302 fi
299 303 # Device specific configuration and U-Boot configuration
300 304 case "$RPI_MODEL" in
301 305 0)
302 306 DTB_FILE=${DTB_FILE:=bcm2708-rpi-0-w.dtb}
303 307 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
304 308 ;;
305 309 1)
306 310 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b.dtb}
307 311 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
308 312 ;;
309 313 1P)
310 314 DTB_FILE=${DTB_FILE:=bcm2708-rpi-b-plus.dtb}
311 315 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_defconfig}
312 316 ;;
313 317 2)
314 318 DTB_FILE=${DTB_FILE:=bcm2709-rpi-2-b.dtb}
315 319 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_2_defconfig}
316 320 ;;
317 321 3)
318 322 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
319 323 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
320 324 ;;
321 325 3P)
322 326 DTB_FILE=${DTB_FILE:=bcm2710-rpi-3-b.dtb}
323 327 UBOOT_CONFIG=${UBOOT_CONFIG:=rpi_3_defconfig}
324 328 ;;
325 329 *)
326 330 echo "error: Raspberry Pi model $RPI_MODEL is not supported!"
327 331 exit 1
328 332 ;;
329 333 esac
330 334
331 335 # Raspberry PI 0,3,3P with Bluetooth and Wifi onboard
332 336 if [ "$RPI_MODEL" = 0 ] || [ "$RPI_MODEL" = 3 ] || [ "$RPI_MODEL" = 3P ] ; then
333 337 # Include bluetooth packages on supported boards
334 338 if [ "$ENABLE_BLUETOOTH" = true ] && [ "$ENABLE_CONSOLE" = false ]; then
335 339 APT_INCLUDES="${APT_INCLUDES},bluetooth,bluez"
336 340 fi
337 341 else # Raspberry PI 1,1P,2 without Wifi and bluetooth onboard
338 342 # Check if the internal wireless interface is not supported by the RPi model
339 343 if [ "$ENABLE_WIRELESS" = true ] || [ "$ENABLE_BLUETOOTH" = true ]; then
340 344 echo "error: The selected Raspberry Pi model has no integrated interface for wireless or bluetooth"
341 345 exit 1
342 346 fi
343 347 fi
344 348
345 349 # Prepare date string for default image file name
346 350 DATE="$(date +%Y-%m-%d)"
347 351 if [ -z "$KERNEL_BRANCH" ] ; then
348 352 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
349 353 else
350 354 IMAGE_NAME=${IMAGE_NAME:=${BASEDIR}/${DATE}-${KERNEL_ARCH}-${KERNEL_BRANCH}-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
351 355 fi
352 356
353 357 # Check if DISABLE_UNDERVOLT_WARNINGS parameter value is supported
354 358 if [ -n "$DISABLE_UNDERVOLT_WARNINGS" ] ; then
355 359 if [ "$DISABLE_UNDERVOLT_WARNINGS" != 1 ] && [ "$DISABLE_UNDERVOLT_WARNINGS" != 2 ] ; then
356 360 echo "error: DISABLE_UNDERVOLT_WARNINGS=${DISABLE_UNDERVOLT_WARNINGS} is not supported"
357 361 exit 1
358 362 fi
359 363 fi
360 364
361 365 # Add cmake to compile videocore sources
362 366 if [ "$ENABLE_VIDEOCORE" = true ] ; then
363 367 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cmake"
364 368 fi
365 369
366 370 # Add libncurses5 to enable kernel menuconfig
367 371 if [ "$KERNEL_MENUCONFIG" = true ] ; then
368 372 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses-dev"
369 373 fi
370 374
371 375 # Add ccache compiler cache for (faster) kernel cross (re)compilation
372 376 if [ "$KERNEL_CCACHE" = true ] ; then
373 377 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ccache"
374 378 fi
375 379
376 380 # Add cryptsetup package to enable filesystem encryption
377 381 if [ "$ENABLE_CRYPTFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
378 382 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} cryptsetup"
379 383 APT_INCLUDES="${APT_INCLUDES},cryptsetup,busybox,console-setup"
380 384
385 #If cryptfs,dropbear and initramfs are enabled include dropbear-initramfs package
386 if [ "$CRYPTFS_DROPBEAR" = true ] && [ "$ENABLE_INITRAMFS" = true ]; then
387 APT_INCLUDES="${APT_INCLUDES},dropbear-initramfs"
388 fi
389
381 390 if [ -z "$CRYPTFS_PASSWORD" ] ; then
382 391 echo "error: no password defined (CRYPTFS_PASSWORD)!"
383 392 exit 1
384 393 fi
385 394 ENABLE_INITRAMFS=true
386 395 fi
387 396
388 397 # Add initramfs generation tools
389 398 if [ "$ENABLE_INITRAMFS" = true ] && [ "$BUILD_KERNEL" = true ] ; then
390 399 APT_INCLUDES="${APT_INCLUDES},initramfs-tools"
391 400 fi
392 401
393 402 # Add device-tree-compiler required for building the U-Boot bootloader
394 403 if [ "$ENABLE_UBOOT" = true ] ; then
395 404 APT_INCLUDES="${APT_INCLUDES},device-tree-compiler,bison,flex,bc"
396 405 else
397 406 if [ "$ENABLE_UBOOTUSB" = true ] ; then
398 407 echo "error: Enabling UBOOTUSB requires u-boot to be enabled"
399 408 exit 1
400 409 fi
401 410 fi
402 411
403 412 # Check if root SSH (v2) public key file exists
404 413 if [ -n "$SSH_ROOT_PUB_KEY" ] ; then
405 414 if [ ! -f "$SSH_ROOT_PUB_KEY" ] ; then
406 415 echo "error: '$SSH_ROOT_PUB_KEY' specified SSH public key file not found (SSH_ROOT_PUB_KEY)!"
407 416 exit 1
408 417 fi
409 418 fi
410 419
411 420 # Check if $USER_NAME SSH (v2) public key file exists
412 421 if [ -n "$SSH_USER_PUB_KEY" ] ; then
413 422 if [ ! -f "$SSH_USER_PUB_KEY" ] ; then
414 423 echo "error: '$SSH_USER_PUB_KEY' specified SSH public key file not found (SSH_USER_PUB_KEY)!"
415 424 exit 1
416 425 fi
417 426 fi
418 427
419 428 # Check if all required packages are installed on the build system
420 429 for package in $REQUIRED_PACKAGES ; do
421 430 if [ "$(dpkg-query -W -f='${Status}' "$package")" != "install ok installed" ] ; then
422 431 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
423 432 fi
424 433 done
425 434
426 435 # If there are missing packages ask confirmation for install, or exit
427 436 if [ -n "$MISSING_PACKAGES" ] ; then
428 437 echo "the following packages needed by this script are not installed:"
429 438 echo "$MISSING_PACKAGES"
430 439
431 440 printf "\ndo you want to install the missing packages right now? [y/n] "
432 441 read -r confirm
433 442 [ "$confirm" != "y" ] && exit 1
434 443
435 444 # Make sure all missing required packages are installed
436 445 apt-get -qq -y install "${MISSING_PACKAGES}"
437 446 fi
438 447
439 448 # Check if ./bootstrap.d directory exists
440 449 if [ ! -d "./bootstrap.d/" ] ; then
441 450 echo "error: './bootstrap.d' required directory not found!"
442 451 exit 1
443 452 fi
444 453
445 454 # Check if ./files directory exists
446 455 if [ ! -d "./files/" ] ; then
447 456 echo "error: './files' required directory not found!"
448 457 exit 1
449 458 fi
450 459
451 460 # Check if specified KERNELSRC_DIR directory exists
452 461 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
453 462 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
454 463 exit 1
455 464 fi
456 465
457 466 # Check if specified UBOOTSRC_DIR directory exists
458 467 if [ -n "$UBOOTSRC_DIR" ] && [ ! -d "$UBOOTSRC_DIR" ] ; then
459 468 echo "error: '${UBOOTSRC_DIR}' specified directory not found (UBOOTSRC_DIR)!"
460 469 exit 1
461 470 fi
462 471
463 472 # Check if specified VIDEOCORESRC_DIR directory exists
464 473 if [ -n "$VIDEOCORESRC_DIR" ] && [ ! -d "$VIDEOCORESRC_DIR" ] ; then
465 474 echo "error: '${VIDEOCORESRC_DIR}' specified directory not found (VIDEOCORESRC_DIR)!"
466 475 exit 1
467 476 fi
468 477
469 478 # Check if specified FBTURBOSRC_DIR directory exists
470 479 if [ -n "$FBTURBOSRC_DIR" ] && [ ! -d "$FBTURBOSRC_DIR" ] ; then
471 480 echo "error: '${FBTURBOSRC_DIR}' specified directory not found (FBTURBOSRC_DIR)!"
472 481 exit 1
473 482 fi
474 483
475 # Check if specified FBTURBOSRC_DIR directory exists
484 # Check if specified NEXMON_DIR directory exists
476 485 if [ -n "$NEXMON_DIR" ] && [ ! -d "$NEXMON_DIR" ] ; then
477 486 echo "error: '${NEXMON_DIR}' specified directory not found (NEXMON_DIR)!"
478 487 exit 1
479 488 fi
480 489
481 490 # Check if specified CHROOT_SCRIPTS directory exists
482 491 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
483 492 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
484 493 exit 1
485 494 fi
486 495
487 496 # Check if specified device mapping already exists (will be used by cryptsetup)
488 497 if [ -r "/dev/mapping/${CRYPTFS_MAPPING}" ] ; then
489 498 echo "error: mapping /dev/mapping/${CRYPTFS_MAPPING} already exists, not proceeding"
490 499 exit 1
491 500 fi
492 501
493 502 # Don't clobber an old build
494 503 if [ -e "$BUILDDIR" ] ; then
495 504 echo "error: directory ${BUILDDIR} already exists, not proceeding"
496 505 exit 1
497 506 fi
498 507
499 508 # Setup chroot directory
500 509 mkdir -p "${R}"
501 510
502 511 # Check if build directory has enough of free disk space >512MB
503 512 if [ "$(df --output=avail "${BUILDDIR}" | sed "1d")" -le "524288" ] ; then
504 513 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
505 514 exit 1
506 515 fi
507 516
508 517 set -x
509 518
510 519 # Call "cleanup" function on various signals and errors
511 520 trap cleanup 0 1 2 3 6
512 521
513 522 # Add required packages for the minbase installation
514 523 if [ "$ENABLE_MINBASE" = true ] ; then
515 524 APT_INCLUDES="${APT_INCLUDES},vim-tiny,netbase,net-tools,ifupdown"
516 525 fi
517 526
518 527 # Add parted package, required to get partprobe utility
519 528 if [ "$EXPANDROOT" = true ] ; then
520 529 APT_INCLUDES="${APT_INCLUDES},parted"
521 530 fi
522 531
523 532 # Add dbus package, recommended if using systemd
524 533 if [ "$ENABLE_DBUS" = true ] ; then
525 534 APT_INCLUDES="${APT_INCLUDES},dbus"
526 535 fi
527 536
528 537 # Add iptables IPv4/IPv6 package
529 538 if [ "$ENABLE_IPTABLES" = true ] ; then
530 539 APT_INCLUDES="${APT_INCLUDES},iptables,iptables-persistent"
531 540 fi
532 541
533 542 # Add openssh server package
534 543 if [ "$ENABLE_SSHD" = true ] ; then
535 544 APT_INCLUDES="${APT_INCLUDES},openssh-server"
536 545 fi
537 546
538 547 # Add alsa-utils package
539 548 if [ "$ENABLE_SOUND" = true ] ; then
540 549 APT_INCLUDES="${APT_INCLUDES},alsa-utils"
541 550 fi
542 551
543 552 # Add rng-tools package
544 553 if [ "$ENABLE_HWRANDOM" = true ] ; then
545 554 APT_INCLUDES="${APT_INCLUDES},rng-tools"
546 555 fi
547 556
548 557 # Add fbturbo video driver
549 558 if [ "$ENABLE_FBTURBO" = true ] ; then
550 559 # Enable xorg package dependencies
551 560 ENABLE_XORG=true
552 561 fi
553 562
554 563 # Add user defined window manager package
555 564 if [ -n "$ENABLE_WM" ] ; then
556 565 APT_INCLUDES="${APT_INCLUDES},${ENABLE_WM}"
557 566
558 567 # Enable xorg package dependencies
559 568 ENABLE_XORG=true
560 569 fi
561 570
562 571 # Add xorg package
563 572 if [ "$ENABLE_XORG" = true ] ; then
564 573 APT_INCLUDES="${APT_INCLUDES},xorg,dbus-x11"
565 574 fi
566 575
567 576 # Replace selected packages with smaller clones
568 577 if [ "$ENABLE_REDUCE" = true ] ; then
569 578 # Add levee package instead of vim-tiny
570 579 if [ "$REDUCE_VIM" = true ] ; then
571 580 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
572 581 fi
573 582
574 583 # Add dropbear package instead of openssh-server
575 584 if [ "$REDUCE_SSHD" = true ] ; then
576 585 APT_INCLUDES="$(echo "${APT_INCLUDES}" | sed "s/openssh-server/dropbear/")"
577 586 fi
578 587 fi
579 588
580 589 # Configure systemd-sysv exclude to make halt/reboot/shutdown scripts available
581 590 if [ "$ENABLE_SYSVINIT" = false ] ; then
582 591 APT_EXCLUDES="--exclude=${APT_EXCLUDES},init,systemd-sysv"
583 592 fi
584 593
585 594 # Configure kernel sources if no KERNELSRC_DIR
586 595 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
587 596 KERNELSRC_CONFIG=true
588 597 fi
589 598
590 599 # Configure reduced kernel
591 600 if [ "$KERNEL_REDUCE" = true ] ; then
592 601 KERNELSRC_CONFIG=false
593 602 fi
594 603
595 604 # Configure qemu compatible kernel
596 605 if [ "$ENABLE_QEMU" = true ] ; then
597 606 DTB_FILE=vexpress-v2p-ca15_a7.dtb
598 607 UBOOT_CONFIG=vexpress_ca15_tc2_defconfig
599 608 KERNEL_DEFCONFIG="vexpress_defconfig"
600 609 if [ "$KERNEL_MENUCONFIG" = false ] ; then
601 610 KERNEL_OLDDEFCONFIG=true
602 611 fi
603 612 fi
604 613
605 614 # Execute bootstrap scripts
606 615 for SCRIPT in bootstrap.d/*.sh; do
607 616 head -n 3 "$SCRIPT"
608 617 . "$SCRIPT"
609 618 done
610 619
611 620 ## Execute custom bootstrap scripts
612 621 if [ -d "custom.d" ] ; then
613 622 for SCRIPT in custom.d/*.sh; do
614 623 . "$SCRIPT"
615 624 done
616 625 fi
617 626
618 627 # Execute custom scripts inside the chroot
619 628 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
620 629 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
621 630 chroot_exec /bin/bash -x <<'EOF'
622 631 for SCRIPT in /chroot_scripts/* ; do
623 632 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
624 633 $SCRIPT
625 634 fi
626 635 done
627 636 EOF
628 637 rm -rf "${R}/chroot_scripts"
629 638 fi
630 639
631 640 # Remove c/c++ build environment from the chroot
632 641 chroot_remove_cc
633 642
634 643 # Generate required machine-id
635 644 MACHINE_ID=$(dbus-uuidgen)
636 645 echo -n "${MACHINE_ID}" > "${R}/var/lib/dbus/machine-id"
637 646 echo -n "${MACHINE_ID}" > "${ETC_DIR}/machine-id"
638 647
639 648 # APT Cleanup
640 649 chroot_exec apt-get -y clean
641 650 chroot_exec apt-get -y autoclean
642 651 chroot_exec apt-get -y autoremove
643 652
644 653 # Unmount mounted filesystems
645 654 umount -l "${R}/proc"
646 655 umount -l "${R}/sys"
647 656
648 657 # Clean up directories
649 658 rm -rf "${R}/run/*"
650 659 rm -rf "${R}/tmp/*"
651 660
652 661 # Clean up files
653 662 rm -f "${ETC_DIR}/ssh/ssh_host_*"
654 663 rm -f "${ETC_DIR}/dropbear/dropbear_*"
655 664 rm -f "${ETC_DIR}/apt/sources.list.save"
656 665 rm -f "${ETC_DIR}/resolvconf/resolv.conf.d/original"
657 666 rm -f "${ETC_DIR}/*-"
658 667 rm -f "${ETC_DIR}/apt/apt.conf.d/10proxy"
659 668 rm -f "${ETC_DIR}/resolv.conf"
660 669 rm -f "${R}/root/.bash_history"
661 670 rm -f "${R}/var/lib/urandom/random-seed"
662 671 rm -f "${R}/initrd.img"
663 672 rm -f "${R}/vmlinuz"
664 673 rm -f "${R}${QEMU_BINARY}"
665 674
666 675 if [ "$ENABLE_QEMU" = true ] ; then
667 676 # Setup QEMU directory
668 677 mkdir "${BASEDIR}/qemu"
669 678
670 679 # Copy kernel image to QEMU directory
671 680 install_readonly "${BOOT_DIR}/${KERNEL_IMAGE}" "${BASEDIR}/qemu/${KERNEL_IMAGE}"
672 681
673 682 # Copy kernel config to QEMU directory
674 683 install_readonly "${R}/boot/config-${KERNEL_VERSION}" "${BASEDIR}/qemu/config-${KERNEL_VERSION}"
675 684
676 685 # Copy kernel dtbs to QEMU directory
677 686 for dtb in "${BOOT_DIR}/"*.dtb ; do
678 687 if [ -f "${dtb}" ] ; then
679 688 install_readonly "${dtb}" "${BASEDIR}/qemu/"
680 689 fi
681 690 done
682 691
683 692 # Copy kernel overlays to QEMU directory
684 693 if [ -d "${BOOT_DIR}/overlays" ] ; then
685 694 # Setup overlays dtbs directory
686 695 mkdir "${BASEDIR}/qemu/overlays"
687 696
688 697 for dtb in "${BOOT_DIR}/overlays/"*.dtb ; do
689 698 if [ -f "${dtb}" ] ; then
690 699 install_readonly "${dtb}" "${BASEDIR}/qemu/overlays/"
691 700 fi
692 701 done
693 702 fi
694 703
695 704 # Copy u-boot files to QEMU directory
696 705 if [ "$ENABLE_UBOOT" = true ] ; then
697 706 if [ -f "${BOOT_DIR}/u-boot.bin" ] ; then
698 707 install_readonly "${BOOT_DIR}/u-boot.bin" "${BASEDIR}/qemu/u-boot.bin"
699 708 fi
700 709 if [ -f "${BOOT_DIR}/uboot.mkimage" ] ; then
701 710 install_readonly "${BOOT_DIR}/uboot.mkimage" "${BASEDIR}/qemu/uboot.mkimage"
702 711 fi
703 712 if [ -f "${BOOT_DIR}/boot.scr" ] ; then
704 713 install_readonly "${BOOT_DIR}/boot.scr" "${BASEDIR}/qemu/boot.scr"
705 714 fi
706 715 fi
707 716
708 717 # Copy initramfs to QEMU directory
709 718 if [ -f "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" ] ; then
710 719 install_readonly "${BOOT_DIR}/initramfs-${KERNEL_VERSION}" "${BASEDIR}/qemu/initramfs-${KERNEL_VERSION}"
711 720 fi
712 721 fi
713 722
714 723 # Calculate size of the chroot directory in KB
715 724 CHROOT_SIZE=$(expr "$(du -s "${R}" | awk '{ print $1 }')")
716 725
717 726 # Calculate the amount of needed 512 Byte sectors
718 727 TABLE_SECTORS=$(expr 1 \* 1024 \* 1024 \/ 512)
719 728 FRMW_SECTORS=$(expr 64 \* 1024 \* 1024 \/ 512)
720 729 ROOT_OFFSET=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}")
721 730
722 731 # The root partition is EXT4
723 732 # This means more space than the actual used space of the chroot is used.
724 733 # As overhead for journaling and reserved blocks 35% are added.
725 734 ROOT_SECTORS=$(expr "$(expr "${CHROOT_SIZE}" + "${CHROOT_SIZE}" \/ 100 \* 35)" \* 1024 \/ 512)
726 735
727 736 # Calculate required image size in 512 Byte sectors
728 737 IMAGE_SECTORS=$(expr "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}")
729 738
730 739 # Prepare image file
731 740 if [ "$ENABLE_SPLITFS" = true ] ; then
732 741 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count="${TABLE_SECTORS}"
733 742 dd if=/dev/zero of="$IMAGE_NAME-frmw.img" bs=512 count=0 seek="${FRMW_SECTORS}"
734 743 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count="${TABLE_SECTORS}"
735 744 dd if=/dev/zero of="$IMAGE_NAME-root.img" bs=512 count=0 seek="${ROOT_SECTORS}"
736 745
737 746 # Write firmware/boot partition tables
738 747 sfdisk -q -L -uS -f "$IMAGE_NAME-frmw.img" 2> /dev/null <<EOM
739 748 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
740 749 EOM
741 750
742 751 # Write root partition table
743 752 sfdisk -q -L -uS -f "$IMAGE_NAME-root.img" 2> /dev/null <<EOM
744 753 ${TABLE_SECTORS},${ROOT_SECTORS},83
745 754 EOM
746 755
747 756 # Setup temporary loop devices
748 757 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME"-frmw.img)"
749 758 ROOT_LOOP="$(losetup -o 1M -f --show "$IMAGE_NAME"-root.img)"
750 759 else # ENABLE_SPLITFS=false
751 760 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count="${TABLE_SECTORS}"
752 761 dd if=/dev/zero of="$IMAGE_NAME.img" bs=512 count=0 seek="${IMAGE_SECTORS}"
753 762
754 763 # Write partition table
755 764 sfdisk -q -L -uS -f "$IMAGE_NAME.img" 2> /dev/null <<EOM
756 765 ${TABLE_SECTORS},${FRMW_SECTORS},c,*
757 766 ${ROOT_OFFSET},${ROOT_SECTORS},83
758 767 EOM
759 768
760 769 # Setup temporary loop devices
761 770 FRMW_LOOP="$(losetup -o 1M --sizelimit 64M -f --show "$IMAGE_NAME".img)"
762 771 ROOT_LOOP="$(losetup -o 65M -f --show "$IMAGE_NAME".img)"
763 772 fi
764 773
765 774 if [ "$ENABLE_CRYPTFS" = true ] ; then
766 775 # Create dummy ext4 fs
767 776 mkfs.ext4 "$ROOT_LOOP"
768 777
769 778 # Setup password keyfile
770 779 touch .password
771 780 chmod 600 .password
772 781 echo -n ${CRYPTFS_PASSWORD} > .password
773 782
774 783 # Initialize encrypted partition
775 784 echo "YES" | cryptsetup luksFormat "${ROOT_LOOP}" -c "${CRYPTFS_CIPHER}" -s "${CRYPTFS_XTSKEYSIZE}" .password
776 785
777 786 # Open encrypted partition and setup mapping
778 787 cryptsetup luksOpen "${ROOT_LOOP}" -d .password "${CRYPTFS_MAPPING}"
779 788
780 789 # Secure delete password keyfile
781 790 shred -zu .password
782 791
783 792 # Update temporary loop device
784 793 ROOT_LOOP="/dev/mapper/${CRYPTFS_MAPPING}"
785 794
786 795 # Wipe encrypted partition (encryption cipher is used for randomness)
787 796 dd if=/dev/zero of="${ROOT_LOOP}" bs=512 count="$(blockdev --getsz "${ROOT_LOOP}")"
788 797 fi
789 798
790 799 # Build filesystems
791 800 mkfs.vfat "$FRMW_LOOP"
792 801 mkfs.ext4 "$ROOT_LOOP"
793 802
794 803 # Mount the temporary loop devices
795 804 mkdir -p "$BUILDDIR/mount"
796 805 mount "$ROOT_LOOP" "$BUILDDIR/mount"
797 806
798 807 mkdir -p "$BUILDDIR/mount/boot/firmware"
799 808 mount "$FRMW_LOOP" "$BUILDDIR/mount/boot/firmware"
800 809
801 810 # Copy all files from the chroot to the loop device mount point directory
802 811 rsync -a "${R}/" "$BUILDDIR/mount/"
803 812
804 813 # Unmount all temporary loop devices and mount points
805 814 cleanup
806 815
807 816 # Create block map file(s) of image(s)
808 817 if [ "$ENABLE_SPLITFS" = true ] ; then
809 818 # Create block map files for "bmaptool"
810 819 bmaptool create -o "$IMAGE_NAME-frmw.bmap" "$IMAGE_NAME-frmw.img"
811 820 bmaptool create -o "$IMAGE_NAME-root.bmap" "$IMAGE_NAME-root.img"
812 821
813 822 # Image was successfully created
814 823 echo "$IMAGE_NAME-frmw.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
815 824 echo "$IMAGE_NAME-root.img ($(expr \( "${TABLE_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
816 825 else
817 826 # Create block map file for "bmaptool"
818 827 bmaptool create -o "$IMAGE_NAME.bmap" "$IMAGE_NAME.img"
819 828
820 829 # Image was successfully created
821 830 echo "$IMAGE_NAME.img ($(expr \( "${TABLE_SECTORS}" + "${FRMW_SECTORS}" + "${ROOT_SECTORS}" \) \* 512 \/ 1024 \/ 1024)M)" ": successfully created"
822 831
823 832 # Create qemu qcow2 image
824 833 if [ "$ENABLE_QEMU" = true ] ; then
825 834 QEMU_IMAGE=${QEMU_IMAGE:=${BASEDIR}/qemu/${DATE}-${KERNEL_ARCH}-CURRENT-rpi${RPI_MODEL}-${RELEASE}-${RELEASE_ARCH}}
826 835 QEMU_SIZE=16G
827 836
828 837 qemu-img convert -f raw -O qcow2 "$IMAGE_NAME".img "$QEMU_IMAGE".qcow2
829 838 qemu-img resize "$QEMU_IMAGE".qcow2 $QEMU_SIZE
830 839
831 840 echo "$QEMU_IMAGE.qcow2 ($QEMU_SIZE)" ": successfully created"
832 841 fi
833 842 fi
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