PKGBUILD.install 13 KB

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  1. #!/bin/bash
  2. qubes_preset_file="75-qubes-vm.preset"
  3. ###########################
  4. ## Pre-Install functions ##
  5. ###########################
  6. update_default_user() {
  7. # Make sure there is a qubes group
  8. groupadd --force --system --gid 98 qubes
  9. # Archlinux bash version has a 'bug' when running su -c, /etc/profile is not loaded because bash consider there is no interactive pty when running 'su - user -c' or something like this.
  10. # See https://bugs.archlinux.org/task/31831
  11. id -u 'user' >/dev/null 2>&1 || {
  12. useradd --user-group --create-home --shell /bin/bash user
  13. }
  14. usermod -a --groups qubes user
  15. }
  16. ## arg 1: the new package version
  17. pre_install() {
  18. echo "Pre install..."
  19. update_default_user
  20. # do this whole %pre thing only when updating for the first time...
  21. mkdir -p /var/lib/qubes
  22. # Backup fstab / But use archlinux defaults (cp instead of mv)
  23. if [ -e /etc/fstab ] ; then
  24. cp /etc/fstab /var/lib/qubes/fstab.orig
  25. fi
  26. # Add qubes core related fstab entries
  27. echo "xen /proc/xen xenfs defaults 0 0" >> /etc/fstab
  28. usermod -p '' root
  29. usermod -L user
  30. }
  31. ## arg 1: the new package version
  32. ## arg 2: the old package version
  33. pre_upgrade() {
  34. # do something here
  35. echo "Pre upgrade..."
  36. update_default_user
  37. }
  38. ###################
  39. ## Install Hooks ##
  40. ###################
  41. configure_notification-daemon() {
  42. # Enable autostart of notification-daemon when installed
  43. if [ ! -L /etc/xdg/autostart/notification-daemon.desktop ]; then
  44. ln -s /usr/share/applications/notification-daemon.desktop /etc/xdg/autostart/
  45. fi
  46. }
  47. configure_selinux() {
  48. # SELinux is not enabled on archlinux
  49. #echo "--> Disabling SELinux..."
  50. echo "SELINUX not enabled on archlinux. skipped."
  51. # sed -e s/^SELINUX=.*$/SELINUX=disabled/ -i /etc/selinux/config
  52. # setenforce 0 2>/dev/null
  53. }
  54. ############################
  55. ## Post-Install functions ##
  56. ############################
  57. update_qubesconfig() {
  58. # Remove old firmware updates link
  59. if [ -L /lib/firmware/updates ]; then
  60. rm -f /lib/firmware/updates
  61. fi
  62. #/usr/lib/qubes/update-proxy-configs
  63. # Archlinux pacman configuration is handled in update_finalize
  64. if ! [ -r /etc/dconf/profile/user ]; then
  65. mkdir -p /etc/dconf/profile
  66. echo "user-db:user" >> /etc/dconf/profile/user
  67. echo "system-db:local" >> /etc/dconf/profile/user
  68. fi
  69. dconf update &> /dev/null || :
  70. # Location of files which contains list of protected files
  71. mkdir -p /etc/qubes/protected-files.d
  72. # shellcheck source=init/functions
  73. . /usr/lib/qubes/init/functions
  74. # qubes-core-vm has been broken for some time - it overrides /etc/hosts; restore original content
  75. if ! is_protected_file /etc/hosts ; then
  76. if ! grep -q localhost /etc/hosts; then
  77. cat <<EOF > /etc/hosts
  78. 127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4 $(hostname)
  79. ::1 localhost localhost.localdomain localhost6 localhost6.localdomain6
  80. EOF
  81. fi
  82. fi
  83. # ensure that hostname resolves to 127.0.0.1 resp. ::1 and that /etc/hosts is
  84. # in the form expected by qubes-sysinit.sh
  85. if ! is_protected_file /etc/hostname ; then
  86. for ip in '127\.0\.0\.1' '::1'; do
  87. if grep -q "^${ip}\(\s\|$\)" /etc/hosts; then
  88. sed -i "/^${ip}\s/,+0s/\(\s$(hostname)\)\+\(\s\|$\)/\2/g" /etc/hosts
  89. sed -i "s/^${ip}\(\s\|$\).*$/\0 $(hostname)/" /etc/hosts
  90. else
  91. echo "${ip} $(hostname)" >> /etc/hosts
  92. fi
  93. done
  94. fi
  95. }
  96. ############################
  97. ## Service Management Functions ##
  98. ############################
  99. is_static() {
  100. [ -f "/usr/lib/systemd/system/$1" ] && ! grep -q '^[[].nstall]' "/usr/lib/systemd/system/$1"
  101. }
  102. is_masked() {
  103. if [ ! -L /etc/systemd/system/"$1" ]
  104. then
  105. return 1
  106. fi
  107. target=$(readlink /etc/systemd/system/"$1" 2>/dev/null) || :
  108. if [ "$target" = "/dev/null" ]
  109. then
  110. return 0
  111. fi
  112. return 1
  113. }
  114. mask() {
  115. ln -sf /dev/null /etc/systemd/system/"$1"
  116. }
  117. unmask() {
  118. if ! is_masked "$1"
  119. then
  120. return 0
  121. fi
  122. rm -f /etc/systemd/system/"$1"
  123. }
  124. preset_units() {
  125. local represet=
  126. while read -r action unit_name
  127. do
  128. if [ "$action" = "#" ] && [ "$unit_name" = "Units below this line will be re-preset on package upgrade" ]
  129. then
  130. represet=1
  131. continue
  132. fi
  133. echo "$action $unit_name" | grep -q '^[[:space:]]*[^#;]' || continue
  134. [[ -n "$action" && -n "$unit_name" ]] || continue
  135. if [ "$2" = "initial" ] || [ "$represet" = "1" ]
  136. then
  137. if [ "$action" = "disable" ] && is_static "$unit_name"
  138. then
  139. if ! is_masked "$unit_name"
  140. then
  141. # We must effectively mask these units, even if they are static.
  142. mask "$unit_name"
  143. fi
  144. elif [ "$action" = "enable" ] && is_static "$unit_name"
  145. then
  146. if is_masked "$unit_name"
  147. then
  148. # We masked this static unit before, now we unmask it.
  149. unmask "$unit_name"
  150. fi
  151. systemctl --no-reload preset "$unit_name" >/dev/null 2>&1 || :
  152. else
  153. systemctl --no-reload preset "$unit_name" >/dev/null 2>&1 || :
  154. fi
  155. fi
  156. done < "$1"
  157. }
  158. restore_units() {
  159. grep '^[[:space:]]*[^#;]' "$1" | while read -r action unit_name
  160. do
  161. if is_static "$unit_name" && is_masked "$unit_name"
  162. then
  163. # If the unit had been masked by us, we must unmask it here.
  164. # Otherwise systemctl preset will fail badly.
  165. unmask "$unit_name"
  166. fi
  167. systemctl --no-reload preset "$unit_name" >/dev/null 2>&1 || :
  168. done
  169. }
  170. configure_systemd() {
  171. if [ "$1" -eq 1 ]
  172. then
  173. preset_units /usr/lib/systemd/system-preset/$qubes_preset_file initial
  174. changed=true
  175. else
  176. preset_units /usr/lib/systemd/system-preset/$qubes_preset_file upgrade
  177. changed=true
  178. # Upgrade path - now qubes-iptables is used instead
  179. for svc in iptables ip6tables
  180. do
  181. if [ -f "$svc".service ]
  182. then
  183. systemctl --no-reload preset "$svc".service
  184. changed=true
  185. fi
  186. done
  187. fi
  188. if [ "$1" -eq 1 ]
  189. then
  190. # First install.
  191. # Set default "runlevel".
  192. # FIXME: this ought to be done via kernel command line.
  193. # The fewer deviations of the template from the seed
  194. # image, the better.
  195. rm -f /etc/systemd/system/default.target
  196. ln -s /lib/systemd/system/multi-user.target /etc/systemd/system/default.target
  197. changed=true
  198. fi
  199. # remove old symlinks
  200. if [ -L /etc/systemd/system/sysinit.target.wants/qubes-random-seed.service ]
  201. then
  202. rm -f /etc/systemd/system/sysinit.target.wants/qubes-random-seed.service
  203. changed=true
  204. fi
  205. if [ -L /etc/systemd/system/multi-user.target.wants/qubes-mount-home.service ]
  206. then
  207. rm -f /etc/systemd/system/multi-user.target.wants/qubes-mount-home.service
  208. changed=true
  209. fi
  210. if [ "x$changed" != "x" ]
  211. then
  212. systemctl daemon-reload
  213. fi
  214. }
  215. ######################
  216. ## Archlinux Specific Functions ##
  217. ######################
  218. config_prependtomark() {
  219. FILE=$1
  220. APPENDBEFORELINE=$2
  221. APPENDLINE=$3
  222. grep -F -q "$APPENDLINE" "$FILE" || sed "/$APPENDBEFORELINE/i$APPENDLINE" -i "$FILE"
  223. }
  224. config_appendtomark() {
  225. FILE=$1
  226. APPENDAFTERLINE=$2
  227. APPENDLINE=$3
  228. grep -F -q "$APPENDLINE" "$FILE" || sed "/$APPENDAFTERLINE/a$APPENDLINE" -i "$FILE"
  229. }
  230. config_cleanupmark() {
  231. FILE="$1"
  232. BEGINMARK="$2"
  233. ENDMARK="$3"
  234. if grep -F -q "$BEGINMARK" "$FILE"; then
  235. if grep -F -q "$ENDMARK" "$FILE"; then
  236. cp "$FILE" "$FILE.qubes-update-orig"
  237. sed -i -e "/^$BEGINMARK$/,/^$ENDMARK$/{
  238. /^$ENDMARK$/b
  239. /^$BEGINMARK$/!d
  240. }" "$FILE"
  241. rm -f "$FILE.qubes-update-orig"
  242. else
  243. echo "ERROR: found $BEGINMARK marker but not $ENDMARK in $FILE. Please cleanup this file manually."
  244. fi
  245. elif grep -F -q "$ENDMARK" "$FILE"; then
  246. echo "ERROR: found $ENDMARK marker but not $BEGINMARK in $FILE. Please cleanup this file manually."
  247. fi
  248. }
  249. update_finalize() {
  250. # Archlinux specific: If marker exists, cleanup text between begin and end marker
  251. QUBES_MARKER="### QUBES CONFIG MARKER ###"
  252. if grep -F -q "$QUBES_MARKER" /etc/pacman.conf; then
  253. config_prependtomark "/etc/pacman.conf" "# REPOSITORIES" "### QUBES CONFIG END MARKER ###"
  254. config_cleanupmark "/etc/pacman.conf" "$QUBES_MARKER" "### QUBES CONFIG END MARKER ###"
  255. # Else, add qubes config block marker
  256. else
  257. config_prependtomark "/etc/pacman.conf" "# REPOSITORIES" "$QUBES_MARKER"
  258. config_prependtomark "/etc/pacman.conf" "# REPOSITORIES" "### QUBES CONFIG END MARKER ###"
  259. fi
  260. # Include /etc/pacman.d drop-in directory
  261. config_appendtomark "/etc/pacman.conf" "$QUBES_MARKER" "Include = /etc/pacman.d/*.conf"
  262. /usr/lib/qubes/update-proxy-configs
  263. # Archlinux specific: Update pam.d configuration for su to enable systemd-login wrapper
  264. # This is required as qubes-gui agent calls xinit with su -l user without initializing properly
  265. # the user session.
  266. # pam_unix.so can also be removed from su configuration
  267. # as system-login (which include system-auth) already gives pam_unix.so
  268. # with more appropriate parameters (fix the missing nullok parameter)
  269. if grep -q pam_unix.so /etc/pam.d/su; then
  270. echo "Fixing pam.d"
  271. cp /etc/pam.d/qrexec /etc/pam.d/su-l
  272. fi
  273. # Archlinux specific: ensure tty1 is enabled
  274. rm -f /etc/systemd/system/getty.target.wants/getty@tty*.service
  275. systemctl enable getty\@tty1.service
  276. systemctl daemon-reload
  277. }
  278. ## arg 1: the new package version
  279. post_install() {
  280. update_qubesconfig
  281. # do the rest of %post thing only when updating for the first time...
  282. if [ -e /etc/init/serial.conf ] && ! [ -f /var/lib/qubes/serial.orig ] ; then
  283. cp /etc/init/serial.conf /var/lib/qubes/serial.orig
  284. fi
  285. chgrp user /var/lib/qubes/dom0-updates
  286. # Remove most of the udev scripts to speed up the VM boot time
  287. # Just leave the xen* scripts, that are needed if this VM was
  288. # ever used as a net backend (e.g. as a VPN domain in the future)
  289. #echo "--> Removing unnecessary udev scripts..."
  290. mkdir -p /var/lib/qubes/removed-udev-scripts
  291. for f in /etc/udev/rules.d/*
  292. do
  293. if [ "$(basename "$f")" == "xen-backend.rules" ] ; then
  294. continue
  295. fi
  296. if [ "$(basename "$f")" == "50-qubes-misc.rules" ] ; then
  297. continue
  298. fi
  299. if echo "$f" | grep -q qubes; then
  300. continue
  301. fi
  302. mv "$f" /var/lib/qubes/removed-udev-scripts/
  303. done
  304. mkdir -p /rw
  305. configure_notification-daemon
  306. configure_selinux
  307. configure_systemd 0
  308. update_finalize
  309. }
  310. ## arg 1: the new package version
  311. ## arg 2: the old package version
  312. post_upgrade() {
  313. update_qubesconfig
  314. configure_notification-daemon
  315. configure_selinux
  316. configure_systemd 1
  317. update_finalize
  318. }
  319. ######################
  320. ## Remove functions ##
  321. ######################
  322. ## arg 1: the old package version
  323. pre_remove() {
  324. # no more packages left
  325. if [ -e /var/lib/qubes/fstab.orig ] ; then
  326. mv /var/lib/qubes/fstab.orig /etc/fstab
  327. fi
  328. mv /var/lib/qubes/removed-udev-scripts/* /etc/udev/rules.d/
  329. if [ -e /var/lib/qubes/serial.orig ] ; then
  330. mv /var/lib/qubes/serial.orig /etc/init/serial.conf
  331. fi
  332. if [ "$1" -eq 0 ] ; then
  333. # Run this only during uninstall.
  334. # Save the preset file to later use it to re-preset services there
  335. # once the Qubes OS preset file is removed.
  336. mkdir -p /run/qubes-uninstall
  337. cp -f /usr/lib/systemd/system-preset/$qubes_preset_file /run/qubes-uninstall/
  338. cp -f /usr/lib/systemd/system-preset/$qubes_preset_file /run/qubes-uninstall/
  339. fi
  340. }
  341. ## arg 1: the old package version
  342. post_remove() {
  343. changed=
  344. if [ -d /run/qubes-uninstall ]
  345. then
  346. # We have a saved preset file (or more).
  347. # Re-preset the units mentioned there.
  348. restore_units /run/qubes-uninstall/$qubes_preset_file
  349. rm -rf /run/qubes-uninstall
  350. changed=true
  351. fi
  352. if [ "x$changed" != "x" ]
  353. then
  354. systemctl daemon-reload
  355. fi
  356. if [ -L /lib/firmware/updates ] ; then
  357. rm /lib/firmware/updates
  358. fi
  359. rm -rf /var/lib/qubes/xdg
  360. for srv in qubes-sysinit qubes-misc-post qubes-mount-dirs qubes-qrexec-agent; do
  361. systemctl disable $srv.service
  362. done
  363. }