##// END OF EJS Templates
fix: collabora keyring fix
Jan Wagner -
r10:b30726a6ed52
parent child
Show More
@@ -1,761 +1,761
1 1 #!/bin/sh
2 2
3 3 ########################################################################
4 4 # rpi2-gen-image.sh ver2a 12/2015
5 5 #
6 6 # Advanced debian "jessie" bootstrap script for RPi2
7 7 #
8 8 # This program is free software; you can redistribute it and/or
9 9 # modify it under the terms of the GNU General Public License
10 10 # as published by the Free Software Foundation; either version 2
11 11 # of the License, or (at your option) any later version.
12 12 #
13 13 # some parts based on rpi2-build-image:
14 14 # Copyright (C) 2015 Ryan Finnie <ryan@finnie.org>
15 15 # Copyright (C) 2015 Luca Falavigna <dktrkranz@debian.org>
16 16 ########################################################################
17 17
18 18 cleanup (){
19 19 set +x
20 20 set +e
21 21 echo "removing temporary mount points ..."
22 22 umount -l $R/proc 2> /dev/null
23 23 umount -l $R/sys 2> /dev/null
24 24 umount -l $R/dev/pts 2> /dev/null
25 25 umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null
26 26 umount "$BUILDDIR/mount" 2> /dev/null
27 27 losetup -d "$EXT4_LOOP" 2> /dev/null
28 28 losetup -d "$VFAT_LOOP" 2> /dev/null
29 29 trap - 0 1 2 3 6
30 30 }
31 31
32 32 set -e
33 33 set -x
34 34
35 35 RELEASE=${RELEASE:=jessie}
36 36
37 37 # Build settings
38 38 BASEDIR=./images/${RELEASE}
39 39 BUILDDIR=${BASEDIR}/build
40 40
41 41 # General settings
42 42 HOSTNAME=${HOSTNAME:=rpi2-${RELEASE}}
43 43 PASSWORD=${PASSWORD:=raspberry}
44 44 DEFLOCAL=${DEFLOCAL:="en_US.UTF-8"}
45 45 TIMEZONE=${TIMEZONE:="Europe/Berlin"}
46 46
47 47 # APT settings
48 48 APT_PROXY=${APT_PROXY:=""}
49 49 APT_SERVER=${APT_SERVER:="ftp.debian.org"}
50 50
51 51 # Feature settings
52 52 ENABLE_CONSOLE=${ENABLE_CONSOLE:=true}
53 53 ENABLE_IPV6=${ENABLE_IPV6:=true}
54 54 ENABLE_SSHD=${ENABLE_SSHD:=true}
55 55 ENABLE_SOUND=${ENABLE_SOUND:=true}
56 56 ENABLE_SYSTEMD=${ENABLE_SYSTEMD:=true}
57 57 ENABLE_DBUS=${ENABLE_DBUS:=true}
58 58 ENABLE_HWRANDOM=${ENABLE_HWRANDOM:=true}
59 59 ENABLE_MINGPU=${ENABLE_MINGPU:=false}
60 60 ENABLE_XORG=${ENABLE_XORG:=false}
61 61 ENABLE_FLUXBOX=${ENABLE_FLUXBOX:=false}
62 62
63 63 # Advanced settings
64 64 ENABLE_UBOOT=${ENABLE_UBOOT:=false}
65 65 ENABLE_HARDNET=${ENABLE_HARDNET:=false}
66 66 ENABLE_IPTABLES=${ENABLE_IPTABLES:=false}
67 67
68 68 # Image chroot path
69 69 R=${BUILDDIR}/chroot
70 70
71 71 # Packages required for bootstrapping
72 72 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static dosfstools rsync bmap-tools whois git-core"
73 73
74 74 # Missing packages that need to be installed
75 75 MISSING_PACKAGES=""
76 76
77 77 # Packages required in the chroot build enviroment
78 78 APT_INCLUDES="apt-transport-https,ca-certificates,debian-archive-keyring,dialog,locales,apt-utils,vim-tiny"
79 79
80 80 set +x
81 81
82 82 # Are we running as root?
83 83 if [ "$(id -u)" -ne "0" ] ; then
84 84 echo "this script must be executed with root privileges"
85 85 exit 1
86 86 fi
87 87
88 88 # Check if all required packages are installed
89 89 for package in $REQUIRED_PACKAGES ; do
90 90 if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
91 91 MISSING_PACKAGES="$MISSING_PACKAGES $package"
92 92 fi
93 93 done
94 94
95 # Ask if missing packages should get installed right now
95 # Ask if missing packages should get installed right now
96 96 if [ -n "$MISSING_PACKAGES" ] ; then
97 97 echo "the following packages needed by this script are not installed:"
98 98 echo "$MISSING_PACKAGES"
99 99
100 100 echo -n "\ndo you want to install the missing packages right now? [y/n] "
101 101 read confirm
102 102 if [ "$confirm" != "y" ] ; then
103 103 exit 1
104 104 fi
105 105 fi
106 106
107 # Make sure all required packages are installed
107 # Make sure all required packages are installed
108 108 apt-get -qq -y install ${REQUIRED_PACKAGES}
109 109
110 110 # Don't clobber an old build
111 111 if [ -e "$BUILDDIR" ]; then
112 112 echo "directory $BUILDDIR already exists, not proceeding"
113 113 exit 1
114 114 fi
115 115
116 116 set -x
117 117
118 118 # Call "cleanup" function on various signals and errors
119 119 trap cleanup 0 1 2 3 6
120 120
121 121 # Set up chroot directory
122 122 mkdir -p $R
123 123
124 124 # Use traditional SystemV init instead of systemd services
125 125 if [ "$ENABLE_SYSTEMD" = false ] ; then
126 126 APT_INCLUDES="${APT_INCLUDES},sysvinit-core"
127 127 fi
128 128
129 129 # Add dbus package, recommended if using systemd
130 130 if [ "$ENABLE_DBUS" = true ] ; then
131 131 APT_INCLUDES="${APT_INCLUDES},dbus"
132 132 fi
133 133
134 134 # Add openssh server package
135 135 if [ "$ENABLE_SSHD" = true ] ; then
136 136 APT_INCLUDES="${APT_INCLUDES},openssh-server"
137 137 fi
138 138
139 139 # Add rng-tools package
140 140 if [ "$ENABLE_HWRANDOM" = true ] ; then
141 141 APT_INCLUDES="${APT_INCLUDES},rng-tools"
142 142 fi
143 143
144 144 # Add xorg package
145 145 if [ "$ENABLE_XORG" = true ] ; then
146 146 APT_INCLUDES="${APT_INCLUDES},xorg"
147 147 fi
148 148
149 149 # Add fluxbox package with eterm
150 150 if [ "$ENABLE_FLUXBOX" = true ] ; then
151 151 APT_INCLUDES="${APT_INCLUDES},fluxbox,eterm"
152 152 fi
153 153
154 154 if [ -z "$APT_PROXY" ] ; then
155 155 APT_PROXY="http://"
156 156 fi
157 157
158 158 # Base debootstrap (unpack only)
159 159 debootstrap --arch=armhf --foreign --include=${APT_INCLUDES} $RELEASE $R ${APT_PROXY}${APT_SERVER}/debian
160 160 cp /usr/bin/qemu-arm-static $R/usr/bin
161 161
162 162 # Remove systemd related packages from list of packages to be bootstrapped
163 163 if [ "$ENABLE_SYSTEMD" = false ] ; then
164 164 chroot $R sed -i -e 's/systemd systemd-sysv //g' /debootstrap/required
165 165 fi
166 166
167 167 # Copy debian-archive-keyring.pgp
168 168 chroot $R mkdir -p /usr/share/keyrings
169 169 cp /usr/share/keyrings/debian-archive-keyring.gpg $R/usr/share/keyrings/debian-archive-keyring.gpg
170 170
171 171 # Complete the bootstrapping proccess
172 172 chroot $R /debootstrap/debootstrap --second-stage
173 173
174 174 # Mount required filesystems
175 175 mount -t proc none $R/proc
176 176 mount -t sysfs none $R/sys
177 177 mount --bind /dev/pts $R/dev/pts
178 178
179 # Set up initial sources.list
180 cat <<EOM >$R/etc/apt/sources.list
181 deb http://${APT_SERVER}/debian ${RELEASE} main contrib
182 #deb-src http://${APT_SERVER}/debian ${RELEASE} main contrib
183
184 deb http://${APT_SERVER}/debian/ ${RELEASE}-updates main contrib
185 #deb-src http://${APT_SERVER}/debian/ ${RELEASE}-updates main contrib
186
187 deb http://security.debian.org/ ${RELEASE}/updates main contrib
188 #deb-src http://security.debian.org/ ${RELEASE}/updates main contrib
189
190 deb https://repositories.collabora.co.uk/debian ${RELEASE} rpi2
191 EOM
192
193 179 # Pin package flash-kernel to repositories.collabora.co.uk
194 180 cat <<EOM >$R/etc/apt/preferences.d/flash-kernel
195 181 Package: flash-kernel
196 182 Pin: origin repositories.collabora.co.uk
197 183 Pin-Priority: 1000
198 184 EOM
199 185
200 186 # Set up timezone
201 187 echo ${TIMEZONE} >$R/etc/timezone
202 188 LANG=C chroot $R dpkg-reconfigure -f noninteractive tzdata
203 189
204 190 # Set up default locales to "en_US.UTF-8" default
205 191 LANG=C chroot $R sed -i '/${DEFLOCAL}/s/^#//' /etc/locale.gen
206 192 LANG=C chroot $R locale-gen ${DEFLOCAL}
207 193
208 # Fetch APT public key "Collabora Raspbian Archive Signing Key <daniels@collabora.com>"
209 LANG=C chroot $R apt-key adv --keyserver hkp://pool.sks-keyservers.net --recv-keys ED4BF9140C50B1C5
194 # Upgrade collabora package index and install collabora keyring
195 echo "deb https://repositories.collabora.co.uk/debian ${RELEASE} rpi2" >$R/etc/apt/sources.list
196 LANG=C chroot $R apt-get -qq -y update
197 LANG=C chroot $R apt-get -qq -y --force-yes install collabora-obs-archive-keyring
198
199 # Set up initial sources.list
200 cat <<EOM >$R/etc/apt/sources.list
201 deb http://${APT_SERVER}/debian ${RELEASE} main contrib
202 #deb-src http://${APT_SERVER}/debian ${RELEASE} main contrib
203
204 deb http://${APT_SERVER}/debian/ ${RELEASE}-updates main contrib
205 #deb-src http://${APT_SERVER}/debian/ ${RELEASE}-updates main contrib
206
207 deb http://security.debian.org/ ${RELEASE}/updates main contrib
208 #deb-src http://security.debian.org/ ${RELEASE}/updates main contrib
209
210 deb https://repositories.collabora.co.uk/debian ${RELEASE} rpi2
211 EOM
210 212
211 213 # Upgrade package index and update all installed packages and changed dependencies
212 LANG=C chroot $R apt-get -q -y update
213 LANG=C chroot $R apt-get -q -y -u dist-upgrade
214 LANG=C chroot $R apt-get -qq -y update
215 LANG=C chroot $R apt-get -qq -y -u dist-upgrade
214 216
215 217 # Kernel installation
216 218 # Install flash-kernel last so it doesn't try (and fail) to detect the platform in the chroot
217
218 LANG=C chroot $R apt-get -q -y --force-yes --no-install-recommends install linux-image-3.18.0-trunk-rpi2
219 LANG=C chroot $R apt-get -q -y --force-yes install flash-kernel
219 LANG=C chroot $R apt-get -qq -y --no-install-recommends install linux-image-3.18.0-trunk-rpi2
220 LANG=C chroot $R apt-get -qq -y install flash-kernel
220 221
221 222 VMLINUZ="$(ls -1 $R/boot/vmlinuz-* | sort | tail -n 1)"
222 223 [ -z "$VMLINUZ" ] && exit 1
223 224 mkdir -p $R/boot/firmware
224 225
225 226 # required boot binaries from raspberry/firmware github (commit: "kernel: Bump to 3.18.10")
226 227 wget -q -O $R/boot/firmware/bootcode.bin https://github.com/raspberrypi/firmware/raw/cd355a9dd4f1f4de2e79b0c8e102840885cdf1de/boot/bootcode.bin
227 228 wget -q -O $R/boot/firmware/fixup_cd.dat https://github.com/raspberrypi/firmware/raw/cd355a9dd4f1f4de2e79b0c8e102840885cdf1de/boot/fixup_cd.dat
228 229 wget -q -O $R/boot/firmware/fixup.dat https://github.com/raspberrypi/firmware/raw/cd355a9dd4f1f4de2e79b0c8e102840885cdf1de/boot/fixup.dat
229 230 wget -q -O $R/boot/firmware/fixup_x.dat https://github.com/raspberrypi/firmware/raw/cd355a9dd4f1f4de2e79b0c8e102840885cdf1de/boot/fixup_x.dat
230 231 wget -q -O $R/boot/firmware/start_cd.elf https://github.com/raspberrypi/firmware/raw/cd355a9dd4f1f4de2e79b0c8e102840885cdf1de/boot/start_cd.elf
231 232 wget -q -O $R/boot/firmware/start.elf https://github.com/raspberrypi/firmware/raw/cd355a9dd4f1f4de2e79b0c8e102840885cdf1de/boot/start.elf
232 233 wget -q -O $R/boot/firmware/start_x.elf https://github.com/raspberrypi/firmware/raw/cd355a9dd4f1f4de2e79b0c8e102840885cdf1de/boot/start_x.elf
233 234 cp $VMLINUZ $R/boot/firmware/kernel7.img
234 235
235 236 # Set up hosts
236 237 echo ${HOSTNAME} >$R/etc/hostname
237 238 cat <<EOM >$R/etc/hosts
238 239 127.0.0.1 localhost
239 240 127.0.1.1 ${HOSTNAME}
240 241 EOM
241 242
242 243 if [ "$ENABLE_IPV6" = true ] ; then
243 244 cat <<EOM >>$R/etc/hosts
244 245
245 246 ::1 localhost ip6-localhost ip6-loopback
246 247 ff02::1 ip6-allnodes
247 248 ff02::2 ip6-allrouters
248 249 EOM
249 250 fi
250 251
251 252 # Generate crypt(3) password string
252 253 ENCRYPTED_PASSWORD=`mkpasswd -m sha-512 ${PASSWORD}`
253 254
254 255 # Set up default user
255 256 LANG=C chroot $R adduser --gecos "Raspberry PI user" --add_extra_groups --disabled-password pi
256 257 LANG=C chroot $R usermod -a -G sudo -p "${ENCRYPTED_PASSWORD}" pi
257 258
258 259 # Set up root password
259 260 LANG=C chroot $R usermod -p "${ENCRYPTED_PASSWORD}" root
260 261
261
262 262 # Set up interfaces
263 263 cat <<EOM >$R/etc/network/interfaces
264 264 # interfaces(5) file used by ifup(8) and ifdown(8)
265 265 # Include files from /etc/network/interfaces.d:
266 266 source-directory /etc/network/interfaces.d
267 267
268 268 # The loopback network interface
269 269 auto lo
270 270 iface lo inet loopback
271 271
272 272 # The primary network interface
273 273 allow-hotplug eth0
274 274 iface eth0 inet dhcp
275 275 EOM
276 276
277 277 # Set up firmware boot cmdline
278 278 CMDLINE="dwc_otg.lpm_enable=0 root=/dev/mmcblk0p2 rootfstype=ext4 rootflags=commit=100,data=writeback elevator=deadline rootwait net.ifnames=1 console=tty1"
279 279
280 280 # Set up serial console support (if requested)
281 281 if [ "$ENABLE_CONSOLE" = true ] ; then
282 282 CMDLINE="${CMDLINE} console=ttyAMA0,115200 kgdboc=ttyAMA0,115200"
283 283 fi
284 284
285 285 # Set up ipv6 support (if requested)
286 286 if [ "$ENABLE_IPV6" = false ] ; then
287 287 CMDLINE="${CMDLINE} ipv6.disable=1"
288 288 fi
289 289
290 290 echo "${CMDLINE}" >$R/boot/firmware/cmdline.txt
291 291
292 292 # Set up firmware config
293 293 cat <<EOM >$R/boot/firmware/config.txt
294 294 # For more options and information see
295 295 # http://www.raspberrypi.org/documentation/configuration/config-txt.md
296 296 # Some settings may impact device functionality. See link above for details
297 297
298 298 # uncomment if you get no picture on HDMI for a default "safe" mode
299 299 #hdmi_safe=1
300 300
301 301 # uncomment this if your display has a black border of unused pixels visible
302 302 # and your display can output without overscan
303 303 #disable_overscan=1
304 304
305 305 # uncomment the following to adjust overscan. Use positive numbers if console
306 306 # goes off screen, and negative if there is too much border
307 307 #overscan_left=16
308 308 #overscan_right=16
309 309 #overscan_top=16
310 310 #overscan_bottom=16
311 311
312 312 # uncomment to force a console size. By default it will be display's size minus
313 313 # overscan.
314 314 #framebuffer_width=1280
315 315 #framebuffer_height=720
316 316
317 317 # uncomment if hdmi display is not detected and composite is being output
318 318 #hdmi_force_hotplug=1
319 319
320 320 # uncomment to force a specific HDMI mode (this will force VGA)
321 321 #hdmi_group=1
322 322 #hdmi_mode=1
323 323
324 324 # uncomment to force a HDMI mode rather than DVI. This can make audio work in
325 325 # DMT (computer monitor) modes
326 326 #hdmi_drive=2
327 327
328 328 # uncomment to increase signal to HDMI, if you have interference, blanking, or
329 329 # no display
330 330 #config_hdmi_boost=4
331 331
332 332 # uncomment for composite PAL
333 333 #sdtv_mode=2
334 334
335 335 # uncomment to overclock the arm. 700 MHz is the default.
336 336 #arm_freq=800
337 337 EOM
338 338
339 339 # Set smallest possible GPU memory allocation size: 16MB (no X)
340 340 if [ "$ENABLE_MINGPU" = true ] ; then
341 341 echo "gpu_mem=16" >>$R/boot/firmware/config.txt
342 342 fi
343 343
344 344 # Create symlinks
345 345 ln -sf firmware/config.txt $R/boot/config.txt
346 346 ln -sf firmware/cmdline.txt $R/boot/cmdline.txt
347 347
348 348 # Prepare modules-load.d directory
349 349 mkdir -p $R/lib/modules-load.d/
350 350
351 351 # Load random module on boot
352 352 if [ "$ENABLE_HWRANDOM" = true ] ; then
353 353 cat <<EOM >$R/lib/modules-load.d/rpi2.conf
354 354 bcm2708_rng
355 355 EOM
356 356 fi
357 357
358 358 # Prepare modprobe.d directory
359 359 mkdir -p $R/etc/modprobe.d/
360 360
361 361 # Blacklist sound modules
362 362 cat <<EOM >$R/etc/modprobe.d/raspi-blacklist.conf
363 363 blacklist snd_soc_core
364 364 blacklist snd_pcm
365 365 blacklist snd_pcm_dmaengine
366 366 blacklist snd_timer
367 367 blacklist snd_compress
368 368 blacklist snd_soc_pcm512x_i2c
369 369 blacklist snd_soc_pcm512x
370 370 blacklist snd_soc_tas5713
371 371 blacklist snd_soc_wm8804
372 372 EOM
373 373
374 374 # Create default fstab
375 375 cat <<EOM >$R/etc/fstab
376 376 /dev/mmcblk0p2 / ext4 noatime,nodiratime,errors=remount-ro,discard,data=writeback,commit=100 0 1
377 377 /dev/mmcblk0p1 /boot/firmware vfat defaults,noatime,nodiratime 0 2
378 378 EOM
379 379
380 380 # Avoid swapping and increase cache sizes
381 381 cat <<EOM >>$R/etc/sysctl.d/99-sysctl.conf
382 382
383 383 # Avoid swapping and increase cache sizes
384 384 vm.swappiness=1
385 385 vm.dirty_background_ratio=20
386 386 vm.dirty_ratio=40
387 387 vm.dirty_writeback_centisecs=500
388 388 vm.dirty_expire_centisecs=6000
389 389 EOM
390 390
391 391 # Enable network stack hardening
392 392 if [ "$ENABLE_HARDNET" = true ] ; then
393 393 cat <<EOM >>$R/etc/sysctl.d/99-sysctl.conf
394 394
395 395 # Enable network stack hardening
396 396 net.ipv4.tcp_timestamps=0
397 397 net.ipv4.tcp_syncookies=1
398 398 net.ipv4.conf.all.rp_filter=1
399 399 net.ipv4.conf.all.accept_redirects=0
400 400 net.ipv4.conf.all.send_redirects=0
401 401 net.ipv4.conf.all.accept_source_route=0
402 402 net.ipv4.conf.default.rp_filter=1
403 403 net.ipv4.conf.default.accept_redirects=0
404 404 net.ipv4.conf.default.send_redirects=0
405 405 net.ipv4.conf.default.accept_source_route=0
406 406 net.ipv4.conf.lo.accept_redirects=0
407 407 net.ipv4.conf.lo.send_redirects=0
408 408 net.ipv4.conf.lo.accept_source_route=0
409 409 net.ipv4.conf.eth0.accept_redirects=0
410 410 net.ipv4.conf.eth0.send_redirects=0
411 411 net.ipv4.conf.eth0.accept_source_route=0
412 412 net.ipv4.icmp_echo_ignore_broadcasts=1
413 413 net.ipv4.icmp_ignore_bogus_error_responses=1
414 414
415 415 net.ipv6.conf.all.accept_redirects=0
416 416 net.ipv6.conf.all.accept_source_route=0
417 417 net.ipv6.conf.all.router_solicitations=0
418 418 net.ipv6.conf.all.accept_ra_rtr_pref=0
419 419 net.ipv6.conf.all.accept_ra_pinfo=0
420 420 net.ipv6.conf.all.accept_ra_defrtr=0
421 421 net.ipv6.conf.all.autoconf=0
422 422 net.ipv6.conf.all.dad_transmits=0
423 423 net.ipv6.conf.all.max_addresses=1
424 424
425 425 net.ipv6.conf.default.accept_redirects=0
426 426 net.ipv6.conf.default.accept_source_route=0
427 427 net.ipv6.conf.default.router_solicitations=0
428 428 net.ipv6.conf.default.accept_ra_rtr_pref=0
429 429 net.ipv6.conf.default.accept_ra_pinfo=0
430 430 net.ipv6.conf.default.accept_ra_defrtr=0
431 431 net.ipv6.conf.default.autoconf=0
432 432 net.ipv6.conf.default.dad_transmits=0
433 433 net.ipv6.conf.default.max_addresses=1
434 434
435 435 net.ipv6.conf.lo.accept_redirects=0
436 436 net.ipv6.conf.lo.accept_source_route=0
437 437 net.ipv6.conf.lo.router_solicitations=0
438 438 net.ipv6.conf.lo.accept_ra_rtr_pref=0
439 439 net.ipv6.conf.lo.accept_ra_pinfo=0
440 440 net.ipv6.conf.lo.accept_ra_defrtr=0
441 441 net.ipv6.conf.lo.autoconf=0
442 442 net.ipv6.conf.lo.dad_transmits=0
443 443 net.ipv6.conf.lo.max_addresses=1
444 444
445 445 net.ipv6.conf.eth0.accept_redirects=0
446 446 net.ipv6.conf.eth0.accept_source_route=0
447 447 net.ipv6.conf.eth0.router_solicitations=0
448 448 net.ipv6.conf.eth0.accept_ra_rtr_pref=0
449 449 net.ipv6.conf.eth0.accept_ra_pinfo=0
450 450 net.ipv6.conf.eth0.accept_ra_defrtr=0
451 451 net.ipv6.conf.eth0.autoconf=0
452 452 net.ipv6.conf.eth0.dad_transmits=0
453 453 net.ipv6.conf.eth0.max_addresses=1
454 454 EOM
455 455
456 456 # Enable resolver warnings about spoofed addresses
457 457 cat <<EOM >>$R/etc/host.conf
458 458 spoof warn
459 459 EOM
460 460 fi
461 461
462 462 # Regenerate openssh server host keys
463 463 if [ "$ENABLE_SSHD" = true ] ; then
464 464 rm -fr $R/etc/ssh/ssh_host_*
465 465 LANG=C chroot $R dpkg-reconfigure openssh-server
466 466 fi
467 467
468 468 # Enable serial console systemd style
469 469 if [ "$ENABLE_CONSOLE" = true ] ; then
470 470 LANG=C chroot $R systemctl enable serial-getty\@ttyAMA0.service
471 471 fi
472 472
473 473 # Enable firewall based on iptables started by systemd service
474 474 if [ "$ENABLE_IPTABLES" = true ] ; then
475 475 # Create iptables configuration directory
476 476 mkdir -p "$R/etc/iptables"
477 477
478 478 # Create iptables systemd service
479 479 cat <<EOM >$R/etc/systemd/system/iptables.service
480 480 [Unit]
481 481 Description=Packet Filtering Framework
482 482 DefaultDependencies=no
483 483 After=systemd-sysctl.service
484 484 Before=sysinit.target
485 485 [Service]
486 486 Type=oneshot
487 487 ExecStart=/sbin/iptables-restore /etc/iptables/iptables.rules
488 488 ExecReload=/sbin/iptables-restore /etc/iptables/iptables.rules
489 489 ExecStop=/etc/iptables/flush-iptables.sh
490 490 RemainAfterExit=yes
491 491 [Install]
492 492 WantedBy=multi-user.target
493 493 EOM
494 494
495 495 # Create flush-table script called by iptables service
496 496 cat <<EOM >$R/etc/iptables/flush-iptables.sh
497 497 #!/bin/sh
498 498 iptables -F
499 499 iptables -X
500 500 iptables -t nat -F
501 501 iptables -t nat -X
502 502 iptables -t mangle -F
503 503 iptables -t mangle -X
504 504 iptables -P INPUT ACCEPT
505 505 iptables -P FORWARD ACCEPT
506 506 iptables -P OUTPUT ACCEPT
507 507 EOM
508 508
509 509 # Create iptables rule file
510 510 cat <<EOM >$R/etc/iptables/iptables.rules
511 511 *filter
512 512 :INPUT DROP [0:0]
513 513 :FORWARD DROP [0:0]
514 514 :OUTPUT ACCEPT [0:0]
515 515 :TCP - [0:0]
516 516 :UDP - [0:0]
517 517 :SSH - [0:0]
518 518
519 519 # Rate limit ping requests
520 520 -A INPUT -p icmp --icmp-type echo-request -m limit --limit 30/min --limit-burst 8 -j ACCEPT
521 521 -A INPUT -p icmp --icmp-type echo-request -j DROP
522 522
523 523 # Accept established connections
524 524 -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
525 525
526 526 # Accept all traffic on loopback interface
527 527 -A INPUT -i lo -j ACCEPT
528 528
529 529 # Drop packets declared invalid
530 530 -A INPUT -m conntrack --ctstate INVALID -j DROP
531 531
532 532 # SSH rate limiting
533 533 -A INPUT -p tcp --dport ssh -m conntrack --ctstate NEW -j SSH
534 534 -A SSH -m recent --name sshbf --rttl --rcheck --hitcount 3 --seconds 10 -j DROP
535 535 -A SSH -m recent --name sshbf --rttl --rcheck --hitcount 20 --seconds 1800 -j DROP
536 536 -A SSH -m recent --name sshbf --set -j ACCEPT
537 537
538 538 # Send TCP and UDP connections to their respective rules chain
539 539 -A INPUT -p udp -m conntrack --ctstate NEW -j UDP
540 540 -A INPUT -p tcp --syn -m conntrack --ctstate NEW -j TCP
541 541
542 542 # Reject dropped packets with a RFC compliant responce
543 543 -A INPUT -p udp -j REJECT --reject-with icmp-port-unreachable
544 544 -A INPUT -p tcp -j REJECT --reject-with tcp-rst
545 545 -A INPUT -j REJECT --reject-with icmp-proto-unreachable
546 546
547 547 ## TCP PORT RULES
548 548 # -A TCP -p tcp -j LOG
549 549
550 550 ## UDP PORT RULES
551 551 # -A UDP -p udp -j LOG
552 552
553 553 COMMIT
554 554 EOM
555 555
556 556 # Reload systemd configuration and enable iptables service
557 557 LANG=C chroot $R systemctl daemon-reload
558 558 LANG=C chroot $R systemctl enable iptables.service
559 559
560 560 if [ "$ENABLE_IPV6" = true ] ; then
561 561 # Create ip6tables systemd service
562 562 cat <<EOM >$R/etc/systemd/system/ip6tables.service
563 563 [Unit]
564 564 Description=Packet Filtering Framework
565 565 DefaultDependencies=no
566 566 After=systemd-sysctl.service
567 567 Before=sysinit.target
568 568 [Service]
569 569 Type=oneshot
570 570 ExecStart=/sbin/ip6tables-restore /etc/iptables/ip6tables.rules
571 571 ExecReload=/sbin/ip6tables-restore /etc/iptables/ip6tables.rules
572 572 ExecStop=/etc/iptables/flush-ip6tables.sh
573 573 RemainAfterExit=yes
574 574 [Install]
575 575 WantedBy=multi-user.target
576 576 EOM
577 577
578 578 # Create ip6tables file
579 579 cat <<EOM >$R/etc/iptables/flush-ip6tables.sh
580 580 #!/bin/sh
581 581 ip6tables -F
582 582 ip6tables -X
583 583 ip6tables -Z
584 584 for table in $(</proc/net/ip6_tables_names)
585 585 do
586 586 ip6tables -t \$table -F
587 587 ip6tables -t \$table -X
588 588 ip6tables -t \$table -Z
589 589 done
590 590 ip6tables -P INPUT ACCEPT
591 591 ip6tables -P OUTPUT ACCEPT
592 592 ip6tables -P FORWARD ACCEPT
593 593 EOM
594 594
595 595 # Create ip6tables rule file
596 596 cat <<EOM >$R/etc/iptables/ip6tables.rules
597 597 *filter
598 598 :INPUT DROP [0:0]
599 599 :FORWARD DROP [0:0]
600 600 :OUTPUT ACCEPT [0:0]
601 601 :TCP - [0:0]
602 602 :UDP - [0:0]
603 603 :SSH - [0:0]
604 604
605 605 # Drop packets with RH0 headers
606 606 -A INPUT -m rt --rt-type 0 -j DROP
607 607 -A OUTPUT -m rt --rt-type 0 -j DROP
608 608 -A FORWARD -m rt --rt-type 0 -j DROP
609 609
610 610 # Rate limit ping requests
611 611 -A INPUT -p icmpv6 --icmpv6-type echo-request -m limit --limit 30/min --limit-burst 8 -j ACCEPT
612 612 -A INPUT -p icmpv6 --icmpv6-type echo-request -j DROP
613 613
614 614 # Accept established connections
615 615 -A INPUT -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
616 616
617 617 # Accept all traffic on loopback interface
618 618 -A INPUT -i lo -j ACCEPT
619 619
620 620 # Drop packets declared invalid
621 621 -A INPUT -m conntrack --ctstate INVALID -j DROP
622 622
623 623 # SSH rate limiting
624 624 -A INPUT -p tcp --dport ssh -m conntrack --ctstate NEW -j SSH
625 625 -A SSH -m recent --name sshbf --rttl --rcheck --hitcount 3 --seconds 10 -j DROP
626 626 -A SSH -m recent --name sshbf --rttl --rcheck --hitcount 20 --seconds 1800 -j DROP
627 627 -A SSH -m recent --name sshbf --set -j ACCEPT
628 628
629 629 # Send TCP and UDP connections to their respective rules chain
630 630 -A INPUT -p udp -m conntrack --ctstate NEW -j UDP
631 631 -A INPUT -p tcp --syn -m conntrack --ctstate NEW -j TCP
632 632
633 633 # Reject dropped packets with a RFC compliant responce
634 634 -A INPUT -p udp -j REJECT --reject-with icmp6-adm-prohibited
635 635 -A INPUT -p tcp -j REJECT --reject-with icmp6-adm-prohibited
636 636 -A INPUT -j REJECT --reject-with icmp6-adm-prohibited
637 637
638 638 ## TCP PORT RULES
639 639 # -A TCP -p tcp -j LOG
640 640
641 641 ## UDP PORT RULES
642 642 # -A UDP -p udp -j LOG
643 643
644 644 COMMIT
645 645 EOM
646 646
647 647 # Reload systemd configuration and enable iptables service
648 648 LANG=C chroot $R systemctl daemon-reload
649 649 LANG=C chroot $R systemctl enable ip6tables.service
650 650
651 651 fi
652 652 fi
653 653
654 654 if [ "$ENABLE_UBOOT" = true ] ; then
655 655 # Fetch u-boot github
656 656 git -C $R/tmp clone git://git.denx.de/u-boot.git
657 657
658 658 # Install minimal gcc/g++ build environment and build u-boot inside chroot
659 LANG=C chroot $R apt-get install -y --force-yes --no-install-recommends linux-compiler-gcc-4.9-arm g++ make bc
659 LANG=C chroot $R apt-get install -qq -y --force-yes --no-install-recommends linux-compiler-gcc-4.9-arm g++ make bc
660 660 LANG=C chroot $R make -C /tmp/u-boot/ rpi_2_defconfig all
661 661
662 662 # Copy compiled bootloader binary and set config.txt to load it
663 663 cp $R/tmp/u-boot/u-boot.bin $R/boot/firmware/
664 664 printf "\n# boot u-boot kernel\nkernel=u-boot.bin\n" >> $R/boot/firmware/config.txt
665 665
666 666 # Set u-boot command file
667 667 cat <<EOM >$R/boot/firmware/uboot.mkimage
668 668 # Tell Linux that it is booting on a Raspberry Pi2
669 669 setenv machid 0x00000c42
670 670
671 671 # Set the kernel boot command line
672 672 setenv bootargs "earlyprintk ${CMDLINE}"
673 673
674 674 # Save these changes to u-boot's environment
675 675 saveenv
676 676
677 677 # Load the existing Linux kernel into RAM
678 678 fatload mmc 0:1 \${kernel_addr_r} kernel7.img
679 679
680 680 # Boot the kernel we have just loaded
681 681 bootz \${kernel_addr_r}
682 682 EOM
683 683
684 684 # Generate u-boot image from command file
685 685 LANG=C chroot $R mkimage -A arm -O linux -T script -C none -a 0x00000000 -e 0x00000000 -n "RPi2 Boot Script" -d /boot/firmware/uboot.mkimage /boot/firmware/boot.scr
686 686
687 687 # Remove gcc/c++ build enviroment
688 688 LANG=C chroot $R apt-get purge -y bc binutils cpp cpp-4.9 g++ g++-4.9 gcc gcc-4.9 libasan1 libatomic1 libc-dev-bin libc6-dev libcloog-isl4 libgcc-4.9-dev libgomp1 libisl10 libmpc3 libmpfr4 libstdc++-4.9-dev libubsan0 linux-compiler-gcc-4.9-arm linux-libc-dev make
689 689 fi
690 690
691 691 # Clean cached downloads
692 692 LANG=C chroot $R apt-get -y clean
693 693 LANG=C chroot $R apt-get -y autoclean
694 694 LANG=C chroot $R apt-get -y autoremove
695 695
696 696 # Unmount mounted filesystems
697 697 umount -l $R/proc
698 698 umount -l $R/sys
699 699
700 700 # Clean up files
701 701 rm -f $R/etc/apt/sources.list.save
702 702 rm -f $R/etc/resolvconf/resolv.conf.d/original
703 703 rm -rf $R/run
704 704 mkdir -p $R/run
705 705 rm -f $R/etc/*-
706 706 rm -f $R/root/.bash_history
707 707 rm -rf $R/tmp/*
708 708 rm -f $R/var/lib/urandom/random-seed
709 709 [ -L $R/var/lib/dbus/machine-id ] || rm -f $R/var/lib/dbus/machine-id
710 710 rm -f $R/etc/machine-id
711 711
712 712 # Calculate size of the chroot directory
713 713 CHROOT_SIZE=$(expr `du -s $R | awk '{ print $1 }'` / 1024)
714 714
715 715 # Calculate required image size
716 716 IMAGE_SIZE=`expr $(expr ${CHROOT_SIZE} / 1024 + 1) \* 1024`
717 717
718 718 # Calculate number of sectors for the partition
719 719 IMAGE_SECTORS=`expr $(expr ${IMAGE_SIZE} \* 1048576) / 512 - 133120`
720 720
721 721 # Prepare date string for image file name
722 722 DATE="$(date +%Y-%m-%d)"
723 723
724 724 # Prepare image file
725 725 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=1M count=1
726 726 dd if=/dev/zero of="$BASEDIR/${DATE}-debian-${RELEASE}.img" bs=1M count=0 seek=${IMAGE_SIZE}
727 727
728 728 # Write partition table
729 729 sfdisk -q -L -f "$BASEDIR/${DATE}-debian-${RELEASE}.img" <<EOM
730 730 unit: sectors
731 731
732 732 1 : start= 2048, size= 131072, Id= c, bootable
733 733 2 : start= 133120, size= ${IMAGE_SECTORS}, Id=83
734 734 3 : start= 0, size= 0, Id= 0
735 735 4 : start= 0, size= 0, Id= 0
736 736 EOM
737 737
738 738 # Set up temporary loop devices and build filesystems
739 739 VFAT_LOOP="$(losetup -o 1M --sizelimit 64M -f --show $BASEDIR/${DATE}-debian-${RELEASE}.img)"
740 740 EXT4_LOOP="$(losetup -o 65M --sizelimit `expr ${IMAGE_SIZE} - 64`M -f --show $BASEDIR/${DATE}-debian-${RELEASE}.img)"
741 741 mkfs.vfat "$VFAT_LOOP"
742 742 mkfs.ext4 "$EXT4_LOOP"
743 743
744 744 # Mount the temporary loop devices
745 745 mkdir -p "$BUILDDIR/mount"
746 746 mount "$EXT4_LOOP" "$BUILDDIR/mount"
747 747
748 748 mkdir -p "$BUILDDIR/mount/boot/firmware"
749 749 mount "$VFAT_LOOP" "$BUILDDIR/mount/boot/firmware"
750 750
751 751 # Copy all files from the chroot to the loop device mount point directory
752 752 rsync -a "$R/" "$BUILDDIR/mount/"
753 753
754 754 # Unmount all temporary loop devices and mount points
755 755 cleanup
756 756
757 757 # (optinal) create block map file for "bmaptool"
758 758 bmaptool create -o "$BASEDIR/${DATE}-debian-${RELEASE}.bmap" "$BASEDIR/${DATE}-debian-${RELEASE}.img"
759 759
760 760 # Image was successfully created
761 761 echo "$BASEDIR/${DATE}-debian-${RELEASE}.img (${IMAGE_SIZE})" ": successfully created"
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