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  1. #! /bin/sh
  2. # Oracle VM VirtualBox
  3. # Linux kernel module init script
  4.  
  5. #
  6. # Copyright (C) 2006-2017 Oracle Corporation
  7. #
  8. # This file is part of VirtualBox Open Source Edition (OSE), as
  9. # available from http://www.virtualbox.org. This file is free software;
  10. # you can redistribute it and/or modify it under the terms of the GNU
  11. # General Public License (GPL) as published by the Free Software
  12. # Foundation, in version 2 as it comes in the "COPYING" file of the
  13. # VirtualBox OSE distribution. VirtualBox OSE is distributed in the
  14. # hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
  15. #
  16.  
  17. # chkconfig: 345 20 80
  18. # description: VirtualBox Linux kernel module
  19. #
  20. ### BEGIN INIT INFO
  21. # Provides: vboxdrv
  22. # Required-Start: $syslog
  23. # Required-Stop:
  24. # Default-Start: 2 3 4 5
  25. # Default-Stop: 0 1 6
  26. # Short-Description: VirtualBox Linux kernel module
  27. ### END INIT INFO
  28.  
  29. ## @todo This file duplicates a lot of script with vboxadd.sh. When making
  30. # changes please try to reduce differences between the two wherever possible.
  31.  
  32. ## @todo Remove the stop_vms target so that this script is only relevant to
  33. # kernel modules. Nice but not urgent.
  34.  
  35. PATH=/sbin:/bin:/usr/sbin:/usr/bin:$PATH
  36. DEVICE=/dev/vboxdrv
  37. LOG="/var/log/vbox-install.log"
  38. MODPROBE=/sbin/modprobe
  39. SCRIPTNAME=vboxdrv.sh
  40.  
  41. # The below is GNU-specific. See VBox.sh for the longer Solaris/OS X version.
  42. TARGET=`readlink -e -- "${0}"` || exit 1
  43. SCRIPT_DIR="${TARGET%/[!/]*}"
  44.  
  45. if $MODPROBE -c | grep -q '^allow_unsupported_modules *0'; then
  46. MODPROBE="$MODPROBE --allow-unsupported-modules"
  47. fi
  48.  
  49. [ -f /etc/vbox/vbox.cfg ] && . /etc/vbox/vbox.cfg
  50. export BUILD_TYPE
  51. export USERNAME
  52. export USER=$USERNAME
  53.  
  54. if test -n "${INSTALL_DIR}" && test -x "${INSTALL_DIR}/VirtualBox"; then
  55. MODULE_SRC="${INSTALL_DIR}/src/vboxhost"
  56. elif test -x /usr/lib/virtualbox/VirtualBox; then
  57. INSTALL_DIR=/usr/lib/virtualbox
  58. MODULE_SRC="/usr/share/virtualbox/src/vboxhost"
  59. elif test -x "${SCRIPT_DIR}/VirtualBox"; then
  60. # Executing from the build directory
  61. INSTALL_DIR="${SCRIPT_DIR}"
  62. MODULE_SRC="${INSTALL_DIR}/src"
  63. else
  64. # Silently exit if the package was uninstalled but not purged.
  65. # Applies to Debian packages only (but shouldn't hurt elsewhere)
  66. exit 0
  67. fi
  68. VIRTUALBOX="${INSTALL_DIR}/VirtualBox"
  69. VBOXMANAGE="${INSTALL_DIR}/VBoxManage"
  70. BUILDINTMP="${MODULE_SRC}/build_in_tmp"
  71. if test -u "${VIRTUALBOX}"; then
  72. GROUP=root
  73. DEVICE_MODE=0600
  74. else
  75. GROUP=vboxusers
  76. DEVICE_MODE=0660
  77. fi
  78.  
  79. [ -r /etc/default/virtualbox ] && . /etc/default/virtualbox
  80.  
  81. # Preamble for Gentoo
  82. if [ "`which $0`" = "/sbin/rc" ]; then
  83. shift
  84. fi
  85.  
  86. begin_msg()
  87. {
  88. test -n "${2}" && echo "${SCRIPTNAME}: ${1}."
  89. logger -t "${SCRIPTNAME}" "${1}."
  90. }
  91.  
  92. succ_msg()
  93. {
  94. logger -t "${SCRIPTNAME}" "${1}."
  95. }
  96.  
  97. fail_msg()
  98. {
  99. echo "${SCRIPTNAME}: failed: ${1}." >&2
  100. logger -t "${SCRIPTNAME}" "failed: ${1}."
  101. }
  102.  
  103. failure()
  104. {
  105. fail_msg "$1"
  106. exit 1
  107. }
  108.  
  109. running()
  110. {
  111. lsmod | grep -q "$1[^_-]"
  112. }
  113.  
  114. ## Output the vboxdrv part of our udev rule. This is redirected to the right file.
  115. udev_write_vboxdrv() {
  116. VBOXDRV_GRP="$1"
  117. VBOXDRV_MODE="$2"
  118.  
  119. echo "KERNEL==\"vboxdrv\", NAME=\"vboxdrv\", OWNER=\"root\", GROUP=\"$VBOXDRV_GRP\", MODE=\"$VBOXDRV_MODE\""
  120. echo "KERNEL==\"vboxdrvu\", NAME=\"vboxdrvu\", OWNER=\"root\", GROUP=\"root\", MODE=\"0666\""
  121. echo "KERNEL==\"vboxnetctl\", NAME=\"vboxnetctl\", OWNER=\"root\", GROUP=\"$VBOXDRV_GRP\", MODE=\"$VBOXDRV_MODE\""
  122. }
  123.  
  124. ## Output the USB part of our udev rule. This is redirected to the right file.
  125. udev_write_usb() {
  126. INSTALLATION_DIR="$1"
  127. USB_GROUP="$2"
  128.  
  129. echo "SUBSYSTEM==\"usb_device\", ACTION==\"add\", RUN+=\"$INSTALLATION_DIR/VBoxCreateUSBNode.sh \$major \$minor \$attr{bDeviceClass}${USB_GROUP}\""
  130. echo "SUBSYSTEM==\"usb\", ACTION==\"add\", ENV{DEVTYPE}==\"usb_device\", RUN+=\"$INSTALLATION_DIR/VBoxCreateUSBNode.sh \$major \$minor \$attr{bDeviceClass}${USB_GROUP}\""
  131. echo "SUBSYSTEM==\"usb_device\", ACTION==\"remove\", RUN+=\"$INSTALLATION_DIR/VBoxCreateUSBNode.sh --remove \$major \$minor\""
  132. echo "SUBSYSTEM==\"usb\", ACTION==\"remove\", ENV{DEVTYPE}==\"usb_device\", RUN+=\"$INSTALLATION_DIR/VBoxCreateUSBNode.sh --remove \$major \$minor\""
  133. }
  134.  
  135. ## Generate our udev rule file. This takes a change in udev rule syntax in
  136. ## version 55 into account. It only creates rules for USB for udev versions
  137. ## recent enough to support USB device nodes.
  138. generate_udev_rule() {
  139. VBOXDRV_GRP="$1" # The group owning the vboxdrv device
  140. VBOXDRV_MODE="$2" # The access mode for the vboxdrv device
  141. INSTALLATION_DIR="$3" # The directory VirtualBox is installed in
  142. USB_GROUP="$4" # The group that has permission to access USB devices
  143. NO_INSTALL="$5" # Set this to "1" to remove but not re-install rules
  144.  
  145. # Extra space!
  146. case "$USB_GROUP" in ?*) USB_GROUP=" $USB_GROUP" ;; esac
  147. case "$NO_INSTALL" in "1") return ;; esac
  148. udev_write_vboxdrv "$VBOXDRV_GRP" "$VBOXDRV_MODE"
  149. udev_write_usb "$INSTALLATION_DIR" "$USB_GROUP"
  150. }
  151.  
  152. ## Install udev rule (disable with INSTALL_NO_UDEV=1 in
  153. ## /etc/default/virtualbox).
  154. install_udev() {
  155. VBOXDRV_GRP="$1" # The group owning the vboxdrv device
  156. VBOXDRV_MODE="$2" # The access mode for the vboxdrv device
  157. INSTALLATION_DIR="$3" # The directory VirtualBox is installed in
  158. USB_GROUP="$4" # The group that has permission to access USB devices
  159. NO_INSTALL="$5" # Set this to "1" to remove but not re-install rules
  160.  
  161. if test -d /etc/udev/rules.d; then
  162. generate_udev_rule "$VBOXDRV_GRP" "$VBOXDRV_MODE" "$INSTALLATION_DIR" \
  163. "$USB_GROUP" "$NO_INSTALL"
  164. fi
  165. # Remove old udev description file
  166. rm -f /etc/udev/rules.d/10-vboxdrv.rules 2> /dev/null
  167. }
  168.  
  169. ## Create a usb device node for a given sysfs path to a USB device.
  170. install_create_usb_node_for_sysfs() {
  171. path="$1" # sysfs path for the device
  172. usb_createnode="$2" # Path to the USB device node creation script
  173. usb_group="$3" # The group to give ownership of the node to
  174. if test -r "${path}/dev"; then
  175. dev="`cat "${path}/dev" 2> /dev/null`"
  176. major="`expr "$dev" : '\(.*\):' 2> /dev/null`"
  177. minor="`expr "$dev" : '.*:\(.*\)' 2> /dev/null`"
  178. class="`cat ${path}/bDeviceClass 2> /dev/null`"
  179. sh "${usb_createnode}" "$major" "$minor" "$class" \
  180. "${usb_group}" 2>/dev/null
  181. fi
  182. }
  183.  
  184. udev_rule_file=/etc/udev/rules.d/60-vboxdrv.rules
  185. sysfs_usb_devices="/sys/bus/usb/devices/*"
  186.  
  187. ## Install udev rules and create device nodes for usb access
  188. setup_usb() {
  189. VBOXDRV_GRP="$1" # The group that should own /dev/vboxdrv
  190. VBOXDRV_MODE="$2" # The mode to be used for /dev/vboxdrv
  191. INSTALLATION_DIR="$3" # The directory VirtualBox is installed in
  192. USB_GROUP="$4" # The group that should own the /dev/vboxusb device
  193. # nodes unless INSTALL_NO_GROUP=1 in
  194. # /etc/default/virtualbox. Optional.
  195. usb_createnode="$INSTALLATION_DIR/VBoxCreateUSBNode.sh"
  196. # install udev rule (disable with INSTALL_NO_UDEV=1 in
  197. # /etc/default/virtualbox)
  198. if [ "$INSTALL_NO_GROUP" != "1" ]; then
  199. usb_group=$USB_GROUP
  200. vboxdrv_group=$VBOXDRV_GRP
  201. else
  202. usb_group=root
  203. vboxdrv_group=root
  204. fi
  205. install_udev "${vboxdrv_group}" "$VBOXDRV_MODE" \
  206. "$INSTALLATION_DIR" "${usb_group}" \
  207. "$INSTALL_NO_UDEV" > ${udev_rule_file}
  208. # Build our device tree
  209. for i in ${sysfs_usb_devices}; do # This line intentionally without quotes.
  210. install_create_usb_node_for_sysfs "$i" "${usb_createnode}" \
  211. "${usb_group}"
  212. done
  213. }
  214.  
  215. cleanup_usb()
  216. {
  217. # Remove udev description file
  218. rm -f /etc/udev/rules.d/60-vboxdrv.rules
  219. rm -f /etc/udev/rules.d/10-vboxdrv.rules
  220.  
  221. # Remove our USB device tree
  222. rm -rf /dev/vboxusb
  223. }
  224.  
  225. start()
  226. {
  227. begin_msg "Starting VirtualBox services" console
  228. if [ -d /proc/xen ]; then
  229. failure "Running VirtualBox in a Xen environment is not supported"
  230. fi
  231. if ! running vboxdrv; then
  232. if ! rm -f $DEVICE; then
  233. failure "Cannot remove $DEVICE"
  234. fi
  235. if ! $MODPROBE vboxdrv > /dev/null 2>&1; then
  236. setup
  237. if ! $MODPROBE vboxdrv > /dev/null 2>&1; then
  238. failure "modprobe vboxdrv failed. Please use 'dmesg' to find out why"
  239. fi
  240. fi
  241. sleep .2
  242. fi
  243. # ensure the character special exists
  244. if [ ! -c $DEVICE ]; then
  245. MAJOR=`sed -n 's;\([0-9]\+\) vboxdrv$;\1;p' /proc/devices`
  246. if [ ! -z "$MAJOR" ]; then
  247. MINOR=0
  248. else
  249. MINOR=`sed -n 's;\([0-9]\+\) vboxdrv$;\1;p' /proc/misc`
  250. if [ ! -z "$MINOR" ]; then
  251. MAJOR=10
  252. fi
  253. fi
  254. if [ -z "$MAJOR" ]; then
  255. rmmod vboxdrv 2>/dev/null
  256. failure "Cannot locate the VirtualBox device"
  257. fi
  258. if ! mknod -m 0660 $DEVICE c $MAJOR $MINOR 2>/dev/null; then
  259. rmmod vboxdrv 2>/dev/null
  260. failure "Cannot create device $DEVICE with major $MAJOR and minor $MINOR"
  261. fi
  262. fi
  263. # ensure permissions
  264. if ! chown :"${GROUP}" $DEVICE 2>/dev/null; then
  265. rmmod vboxpci 2>/dev/null
  266. rmmod vboxnetadp 2>/dev/null
  267. rmmod vboxnetflt 2>/dev/null
  268. rmmod vboxdrv 2>/dev/null
  269. failure "Cannot change group ${GROUP} for device $DEVICE"
  270. fi
  271. if ! $MODPROBE vboxnetflt > /dev/null 2>&1; then
  272. failure "modprobe vboxnetflt failed. Please use 'dmesg' to find out why"
  273. fi
  274. if ! $MODPROBE vboxnetadp > /dev/null 2>&1; then
  275. failure "modprobe vboxnetadp failed. Please use 'dmesg' to find out why"
  276. fi
  277. if ! $MODPROBE vboxpci > /dev/null 2>&1; then
  278. failure "modprobe vboxpci failed. Please use 'dmesg' to find out why"
  279. fi
  280. # Create the /dev/vboxusb directory if the host supports that method
  281. # of USB access. The USB code checks for the existance of that path.
  282. if grep -q usb_device /proc/devices; then
  283. mkdir -p -m 0750 /dev/vboxusb 2>/dev/null
  284. chown root:vboxusers /dev/vboxusb 2>/dev/null
  285. fi
  286. # Remove any kernel modules left over from previously installed kernels.
  287. cleanup only_old
  288. succ_msg "VirtualBox services started"
  289. }
  290.  
  291. stop()
  292. {
  293. begin_msg "Stopping VirtualBox services" console
  294.  
  295. if running vboxpci; then
  296. if ! rmmod vboxpci 2>/dev/null; then
  297. failure "Cannot unload module vboxpci"
  298. fi
  299. fi
  300. if running vboxnetadp; then
  301. if ! rmmod vboxnetadp 2>/dev/null; then
  302. failure "Cannot unload module vboxnetadp"
  303. fi
  304. fi
  305. if running vboxdrv; then
  306. if running vboxnetflt; then
  307. if ! rmmod vboxnetflt 2>/dev/null; then
  308. failure "Cannot unload module vboxnetflt"
  309. fi
  310. fi
  311. if ! rmmod vboxdrv 2>/dev/null; then
  312. failure "Cannot unload module vboxdrv"
  313. fi
  314. if ! rm -f $DEVICE; then
  315. failure "Cannot unlink $DEVICE"
  316. fi
  317. fi
  318. succ_msg "VirtualBox services stopped"
  319. }
  320.  
  321. # enter the following variables in /etc/default/virtualbox:
  322. # SHUTDOWN_USERS="foo bar"
  323. # check for running VMs of user foo and user bar
  324. # SHUTDOWN=poweroff
  325. # SHUTDOWN=acpibutton
  326. # SHUTDOWN=savestate
  327. # select one of these shutdown methods for running VMs
  328. stop_vms()
  329. {
  330. wait=0
  331. for i in $SHUTDOWN_USERS; do
  332. # don't create the ipcd directory with wrong permissions!
  333. if [ -d /tmp/.vbox-$i-ipc ]; then
  334. export VBOX_IPC_SOCKETID="$i"
  335. VMS=`$VBOXMANAGE --nologo list runningvms | sed -e 's/^".*".*{\(.*\)}/\1/' 2>/dev/null`
  336. if [ -n "$VMS" ]; then
  337. if [ "$SHUTDOWN" = "poweroff" ]; then
  338. begin_msg "Powering off remaining VMs"
  339. for v in $VMS; do
  340. $VBOXMANAGE --nologo controlvm $v poweroff
  341. done
  342. succ_msg "Remaining VMs powered off"
  343. elif [ "$SHUTDOWN" = "acpibutton" ]; then
  344. begin_msg "Sending ACPI power button event to remaining VMs"
  345. for v in $VMS; do
  346. $VBOXMANAGE --nologo controlvm $v acpipowerbutton
  347. wait=30
  348. done
  349. succ_msg "ACPI power button event sent to remaining VMs"
  350. elif [ "$SHUTDOWN" = "savestate" ]; then
  351. begin_msg "Saving state of remaining VMs"
  352. for v in $VMS; do
  353. $VBOXMANAGE --nologo controlvm $v savestate
  354. done
  355. succ_msg "State of remaining VMs saved"
  356. fi
  357. fi
  358. fi
  359. done
  360. # wait for some seconds when doing ACPI shutdown
  361. if [ "$wait" -ne 0 ]; then
  362. begin_msg "Waiting for $wait seconds for VM shutdown"
  363. sleep $wait
  364. succ_msg "Waited for $wait seconds for VM shutdown"
  365. fi
  366. }
  367.  
  368. cleanup()
  369. {
  370. # If this is set, only remove kernel modules for no longer installed
  371. # kernels. Note that only generated kernel modules should be placed
  372. # in /lib/modules/*/misc. Anything that we should not remove automatically
  373. # should go elsewhere.
  374. only_old="${1}"
  375. for i in /lib/modules/*; do
  376. # Check whether we are only cleaning up for uninstalled kernels.
  377. test -n "${only_old}" && test -e "${i}/kernel/drivers" && continue
  378. # We could just do "rm -f", but we only want to try deleting folders if
  379. # we are sure they were ours, i.e. they had our modules in beforehand.
  380. if test -e "${i}/misc/vboxdrv.ko" \
  381. || test -e "${i}/misc/vboxnetadp.ko" \
  382. || test -e "${i}/misc/vboxnetflt.ko" \
  383. || test -e "${i}/misc/vboxpci.ko"; then
  384. rm -f "${i}/misc/vboxdrv.ko" "${i}/misc/vboxnetadp.ko" \
  385. "${i}/misc/vboxnetflt.ko" "${i}/misc/vboxpci.ko"
  386. version=`expr "${i}" : "/lib/modules/\(.*\)"`
  387. depmod -a "${version}"
  388. fi
  389. # Remove the kernel version folder if it was empty except for us.
  390. test "`echo ${i}/misc/* ${i}/misc/.?* ${i}/* ${i}/.?*`" \
  391. = "${i}/misc/* ${i}/misc/.. ${i}/misc ${i}/.." &&
  392. rmdir "${i}/misc" "${i}" # We used to leave empty folders.
  393. done
  394. }
  395.  
  396. # setup_script
  397. setup()
  398. {
  399. begin_msg "Building VirtualBox kernel modules" console
  400. if ! $BUILDINTMP \
  401. --save-module-symvers /tmp/vboxdrv-Module.symvers \
  402. --module-source "$MODULE_SRC/vboxdrv" \
  403. --no-print-directory install >> $LOG 2>&1; then
  404. "${INSTALL_DIR}/check_module_dependencies.sh" || exit 1
  405. failure "Look at $LOG to find out what went wrong"
  406. fi
  407. if ! $BUILDINTMP \
  408. --use-module-symvers /tmp/vboxdrv-Module.symvers \
  409. --module-source "$MODULE_SRC/vboxnetflt" \
  410. --no-print-directory install >> $LOG 2>&1; then
  411. failure "Look at $LOG to find out what went wrong"
  412. fi
  413. if ! $BUILDINTMP \
  414. --use-module-symvers /tmp/vboxdrv-Module.symvers \
  415. --module-source "$MODULE_SRC/vboxnetadp" \
  416. --no-print-directory install >> $LOG 2>&1; then
  417. failure "Look at $LOG to find out what went wrong"
  418. fi
  419. if ! $BUILDINTMP \
  420. --use-module-symvers /tmp/vboxdrv-Module.symvers \
  421. --module-source "$MODULE_SRC/vboxpci" \
  422. --no-print-directory install >> $LOG 2>&1; then
  423. failure "Look at $LOG to find out what went wrong"
  424. fi
  425. rm -f /etc/vbox/module_not_compiled
  426. depmod -a
  427. succ_msg "VirtualBox kernel modules built"
  428. }
  429.  
  430. dmnstatus()
  431. {
  432. if running vboxdrv; then
  433. str="vboxdrv"
  434. if running vboxnetflt; then
  435. str="$str, vboxnetflt"
  436. if running vboxnetadp; then
  437. str="$str, vboxnetadp"
  438. fi
  439. fi
  440. if running vboxpci; then
  441. str="$str, vboxpci"
  442. fi
  443. echo "VirtualBox kernel modules ($str) are loaded."
  444. for i in $SHUTDOWN_USERS; do
  445. # don't create the ipcd directory with wrong permissions!
  446. if [ -d /tmp/.vbox-$i-ipc ]; then
  447. export VBOX_IPC_SOCKETID="$i"
  448. VMS=`$VBOXMANAGE --nologo list runningvms | sed -e 's/^".*".*{\(.*\)}/\1/' 2>/dev/null`
  449. if [ -n "$VMS" ]; then
  450. echo "The following VMs are currently running:"
  451. for v in $VMS; do
  452. echo " $v"
  453. done
  454. fi
  455. fi
  456. done
  457. else
  458. echo "VirtualBox kernel module is not loaded."
  459. fi
  460. }
  461.  
  462. case "$1" in
  463. start)
  464. start
  465. ;;
  466. stop)
  467. stop_vms
  468. stop
  469. ;;
  470. stop_vms)
  471. stop_vms
  472. ;;
  473. restart)
  474. stop && start
  475. ;;
  476. setup)
  477. # Create udev rule and USB device nodes.
  478. ## todo Wouldn't it make more sense to install the rule to /lib/udev? This
  479. ## is not a user-created configuration file after all.
  480. ## todo Do we need a udev rule to create /dev/vboxdrv[u] at all? We have
  481. ## working fall-back code here anyway, and the "right" code is more complex
  482. ## than the fall-back. Unnecessary duplication?
  483. stop && cleanup
  484. setup_usb "$GROUP" "$DEVICE_MODE" "$INSTALL_DIR"
  485. setup && start
  486. ;;
  487. cleanup)
  488. stop && cleanup
  489. cleanup_usb
  490. ;;
  491. force-reload)
  492. stop
  493. start
  494. ;;
  495. status)
  496. dmnstatus
  497. ;;
  498. *)
  499. echo "Usage: $0 {start|stop|stop_vms|restart|force-reload|status}"
  500. exit 1
  501. esac
  502.  
  503. exit 0
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