summaryrefslogtreecommitdiffstats
path: root/system/virtualbox/vboxdrv.sh-setup.diff
blob: 80a04aa65e09604e3790cb4823de60c9a3976567 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
--- vboxdrv.sh.orig	2024-02-28 15:40:56.680861821 +0100
+++ vboxdrv.sh	2024-02-28 15:47:52.417842405 +0100
@@ -45,39 +45,13 @@
   MODPROBE="$MODPROBE --allow-unsupported-modules"
 fi
 
-setup_log()
-{
-    test -n "${LOG}" && return 0
-    # Rotate log files
-    LOG="/var/log/vbox-setup.log"
-    mv "${LOG}.3" "${LOG}.4" 2>/dev/null
-    mv "${LOG}.2" "${LOG}.3" 2>/dev/null
-    mv "${LOG}.1" "${LOG}.2" 2>/dev/null
-    mv "${LOG}" "${LOG}.1" 2>/dev/null
-}
-
 [ -f /etc/vbox/vbox.cfg ] && . /etc/vbox/vbox.cfg
 export VBOX_KBUILD_TYPE
 export USERNAME
 export USER=$USERNAME
 
-if test -n "${INSTALL_DIR}" && test -x "${INSTALL_DIR}/VirtualBox"; then
-    MODULE_SRC="${INSTALL_DIR}/src/vboxhost"
-elif test -x /usr/lib/virtualbox/VirtualBox; then
-    INSTALL_DIR=/usr/lib/virtualbox
-    MODULE_SRC="/usr/share/virtualbox/src/vboxhost"
-elif test -x "${SCRIPT_DIR}/VirtualBox"; then
-    # Executing from the build directory
-    INSTALL_DIR="${SCRIPT_DIR}"
-    MODULE_SRC="${INSTALL_DIR}/src"
-else
-    # Silently exit if the package was uninstalled but not purged.
-    # Applies to Debian packages only (but shouldn't hurt elsewhere)
-    exit 0
-fi
 VIRTUALBOX="${INSTALL_DIR}/VirtualBox"
 VBOXMANAGE="${INSTALL_DIR}/VBoxManage"
-BUILDINTMP="${MODULE_SRC}/build_in_tmp"
 if test -u "${VIRTUALBOX}"; then
     GROUP=root
     DEVICE_MODE=0600
@@ -173,333 +147,12 @@
     lsmod | grep -q "$1[^_-]"
 }
 
-log()
-{
-    setup_log
-    echo "${1}" >> "${LOG}"
-}
-
-module_build_log()
-{
-    setup_log
-    echo "${1}" | egrep -v \
-        "^test -e include/generated/autoconf.h|^echo >&2|^/bin/false\)$" \
-        >> "${LOG}"
-}
-
 # Detect VirtualBox version info or report error.
 VBOX_VERSION="`"$VBOXMANAGE" -v | cut -d r -f1`"
 [ -n "$VBOX_VERSION" ] || failure 'Cannot detect VirtualBox version number'
 VBOX_REVISION="r`"$VBOXMANAGE" -v | cut -d r -f2`"
 [ "$VBOX_REVISION" != "r" ] || failure 'Cannot detect VirtualBox revision number'
 
-## Output the vboxdrv part of our udev rule.  This is redirected to the right file.
-udev_write_vboxdrv() {
-    VBOXDRV_GRP="$1"
-    VBOXDRV_MODE="$2"
-
-    echo "KERNEL==\"vboxdrv\", NAME=\"vboxdrv\", OWNER=\"root\", GROUP=\"$VBOXDRV_GRP\", MODE=\"$VBOXDRV_MODE\""
-    echo "KERNEL==\"vboxdrvu\", NAME=\"vboxdrvu\", OWNER=\"root\", GROUP=\"root\", MODE=\"0666\""
-    echo "KERNEL==\"vboxnetctl\", NAME=\"vboxnetctl\", OWNER=\"root\", GROUP=\"$VBOXDRV_GRP\", MODE=\"$VBOXDRV_MODE\""
-}
-
-## Output the USB part of our udev rule.  This is redirected to the right file.
-udev_write_usb() {
-    INSTALLATION_DIR="$1"
-    USB_GROUP="$2"
-
-    echo "SUBSYSTEM==\"usb_device\", ACTION==\"add\", RUN+=\"$INSTALLATION_DIR/VBoxCreateUSBNode.sh \$major \$minor \$attr{bDeviceClass}${USB_GROUP}\""
-    echo "SUBSYSTEM==\"usb\", ACTION==\"add\", ENV{DEVTYPE}==\"usb_device\", RUN+=\"$INSTALLATION_DIR/VBoxCreateUSBNode.sh \$major \$minor \$attr{bDeviceClass}${USB_GROUP}\""
-    echo "SUBSYSTEM==\"usb_device\", ACTION==\"remove\", RUN+=\"$INSTALLATION_DIR/VBoxCreateUSBNode.sh --remove \$major \$minor\""
-    echo "SUBSYSTEM==\"usb\", ACTION==\"remove\", ENV{DEVTYPE}==\"usb_device\", RUN+=\"$INSTALLATION_DIR/VBoxCreateUSBNode.sh --remove \$major \$minor\""
-}
-
-## Generate our udev rule file.  This takes a change in udev rule syntax in
-## version 55 into account.  It only creates rules for USB for udev versions
-## recent enough to support USB device nodes.
-generate_udev_rule() {
-    VBOXDRV_GRP="$1"      # The group owning the vboxdrv device
-    VBOXDRV_MODE="$2"     # The access mode for the vboxdrv device
-    INSTALLATION_DIR="$3" # The directory VirtualBox is installed in
-    USB_GROUP="$4"        # The group that has permission to access USB devices
-    NO_INSTALL="$5"       # Set this to "1" to remove but not re-install rules
-
-    # Extra space!
-    case "$USB_GROUP" in ?*) USB_GROUP=" $USB_GROUP" ;; esac
-    case "$NO_INSTALL" in "1") return ;; esac
-    udev_write_vboxdrv "$VBOXDRV_GRP" "$VBOXDRV_MODE"
-    udev_write_usb "$INSTALLATION_DIR" "$USB_GROUP"
-}
-
-## Install udev rule (disable with INSTALL_NO_UDEV=1 in
-## /etc/default/virtualbox).
-install_udev() {
-    VBOXDRV_GRP="$1"      # The group owning the vboxdrv device
-    VBOXDRV_MODE="$2"     # The access mode for the vboxdrv device
-    INSTALLATION_DIR="$3" # The directory VirtualBox is installed in
-    USB_GROUP="$4"        # The group that has permission to access USB devices
-    NO_INSTALL="$5"       # Set this to "1" to remove but not re-install rules
-
-    if test -d /etc/udev/rules.d; then
-        generate_udev_rule "$VBOXDRV_GRP" "$VBOXDRV_MODE" "$INSTALLATION_DIR" \
-                           "$USB_GROUP" "$NO_INSTALL"
-    fi
-    # Remove old udev description file
-    rm -f /etc/udev/rules.d/10-vboxdrv.rules 2> /dev/null
-}
-
-## Create a usb device node for a given sysfs path to a USB device.
-install_create_usb_node_for_sysfs() {
-    path="$1"           # sysfs path for the device
-    usb_createnode="$2" # Path to the USB device node creation script
-    usb_group="$3"      # The group to give ownership of the node to
-    if test -r "${path}/dev"; then
-        dev="`cat "${path}/dev" 2> /dev/null`"
-        major="`expr "$dev" : '\(.*\):' 2> /dev/null`"
-        minor="`expr "$dev" : '.*:\(.*\)' 2> /dev/null`"
-        class="`cat ${path}/bDeviceClass 2> /dev/null`"
-        sh "${usb_createnode}" "$major" "$minor" "$class" \
-              "${usb_group}" 2>/dev/null
-    fi
-}
-
-udev_rule_file=/etc/udev/rules.d/60-vboxdrv.rules
-sysfs_usb_devices="/sys/bus/usb/devices/*"
-
-## Install udev rules and create device nodes for usb access
-setup_usb() {
-    VBOXDRV_GRP="$1"      # The group that should own /dev/vboxdrv
-    VBOXDRV_MODE="$2"     # The mode to be used for /dev/vboxdrv
-    INSTALLATION_DIR="$3" # The directory VirtualBox is installed in
-    USB_GROUP="$4"        # The group that should own the /dev/vboxusb device
-                          # nodes unless INSTALL_NO_GROUP=1 in
-                          # /etc/default/virtualbox.  Optional.
-    usb_createnode="$INSTALLATION_DIR/VBoxCreateUSBNode.sh"
-    # install udev rule (disable with INSTALL_NO_UDEV=1 in
-    # /etc/default/virtualbox)
-    if [ "$INSTALL_NO_GROUP" != "1" ]; then
-        usb_group=$USB_GROUP
-        vboxdrv_group=$VBOXDRV_GRP
-    else
-        usb_group=root
-        vboxdrv_group=root
-    fi
-    install_udev "${vboxdrv_group}" "$VBOXDRV_MODE" \
-                 "$INSTALLATION_DIR" "${usb_group}" \
-                 "$INSTALL_NO_UDEV" > ${udev_rule_file}
-    # Build our device tree
-    for i in ${sysfs_usb_devices}; do  # This line intentionally without quotes.
-        install_create_usb_node_for_sysfs "$i" "${usb_createnode}" \
-                                          "${usb_group}"
-    done
-}
-
-cleanup_usb()
-{
-    # Remove udev description file
-    rm -f /etc/udev/rules.d/60-vboxdrv.rules
-    rm -f /etc/udev/rules.d/10-vboxdrv.rules
-
-    # Remove our USB device tree
-    rm -rf /dev/vboxusb
-}
-
-# Returns path to module file as seen by modinfo(8) or empty string.
-module_path()
-{
-    mod="$1"
-    [ -n "$mod" ] || return
-
-    modinfo "$mod" 2>/dev/null | grep -e "^filename:" | tr -s ' ' | cut -d " " -f2
-}
-
-# Returns module version if module is available or empty string.
-module_version()
-{
-    mod="$1"
-    [ -n "$mod" ] || return
-
-    modinfo "$mod" 2>/dev/null | grep -e "^version:" | tr -s ' ' | cut -d " " -f2
-}
-
-# Returns module revision if module is available in the system or empty string.
-module_revision()
-{
-    mod="$1"
-    [ -n "$mod" ] || return
-
-    modinfo "$mod" 2>/dev/null | grep -e "^version:" | tr -s ' ' | cut -d " " -f3
-}
-
-# Reads kernel configuration option.
-kernel_get_config_opt()
-{
-    opt_name="$1"
-    [ -n "$opt_name" ] || return
-
-    # Check if there is a kernel tool which can extract config option.
-    if test -x /lib/modules/"$KERN_VER"/build/scripts/config; then
-        /lib/modules/"$KERN_VER"/build/scripts/config \
-            --file /lib/modules/"$KERN_VER"/build/.config \
-            --state "$opt_name" 2>/dev/null
-    elif test -f /lib/modules/"$KERN_VER"/build/.config; then
-        # Extract config option manually.
-        grep "$opt_name=" /lib/modules/"$KERN_VER"/build/.config | sed -e "s/^$opt_name=//" -e "s/\"//g"
-    fi
-}
-
-# Reads CONFIG_MODULE_SIG_HASH from kernel config.
-kernel_module_sig_hash()
-{
-    kernel_get_config_opt "CONFIG_MODULE_SIG_HASH"
-}
-
-# Returns "1" if kernel module signature hash algorithm
-# is supported by us. Or empty string otherwise.
-module_sig_hash_supported()
-{
-    sig_hashalgo="$1"
-    [ -n "$sig_hashalgo" ] || return
-
-    # Go through supported list.
-    [    "$sig_hashalgo" = "sha1"   \
-      -o "$sig_hashalgo" = "sha224" \
-      -o "$sig_hashalgo" = "sha256" \
-      -o "$sig_hashalgo" = "sha384" \
-      -o "$sig_hashalgo" = "sha512" ] || return
-
-    echo "1"
-}
-
-# Check if kernel configuration requires modules signature.
-kernel_requires_module_signature()
-{
-    vbox_sys_lockdown_path="/sys/kernel/security/lockdown"
-
-    requires=""
-    # We consider that if kernel is running in the following configurations,
-    # it will require modules to be signed.
-    if [ "$(kernel_get_config_opt "CONFIG_MODULE_SIG")" = "y" ]; then
-
-        # Modules signature verification is hardcoded in kernel config.
-        [ "$(kernel_get_config_opt "CONFIG_MODULE_SIG_FORCE")" = "y" ] && requires="1"
-
-        # Unsigned modules loading is restricted by "lockdown" feature in runtime.
-        if [   "$(kernel_get_config_opt "CONFIG_LOCK_DOWN_KERNEL")" = "y" \
-            -o "$(kernel_get_config_opt "CONFIG_SECURITY_LOCKDOWN_LSM")" = "y" \
-            -o "$(kernel_get_config_opt "CONFIG_SECURITY_LOCKDOWN_LSM_EARLY")" = "y" ]; then
-
-            # Once lockdown level is set to something different than "none" (e.g., "integrity"
-            # or "confidentiality"), kernel will reject unsigned modules loading.
-            if [ -r "$vbox_sys_lockdown_path" ]; then
-                [ -n "$(cat "$vbox_sys_lockdown_path" | grep "\[integrity\]")" ] && requires="1"
-                [ -n "$(cat "$vbox_sys_lockdown_path" | grep "\[confidentiality\]")" ] && requires="1"
-            fi
-
-            # This configuration is used by a number of modern Linux distributions and restricts
-            # unsigned modules loading when Secure Boot mode is enabled.
-            [ "$(kernel_get_config_opt "CONFIG_LOCK_DOWN_IN_EFI_SECURE_BOOT")" = "y" -a -n "$HAVE_SEC_BOOT" ] && requires="1"
-        fi
-    fi
-
-    [ -n "$requires" ] && echo "1"
-}
-
-# Returns "1" if module is signed and signature can be verified
-# with public key provided in DEB_PUB_KEY. Or empty string otherwise.
-module_signed()
-{
-    mod="$1"
-    [ -n "$mod" ] || return
-
-    extraction_tool=/lib/modules/"$(uname -r)"/build/scripts/extract-module-sig.pl
-    mod_path=$(module_path "$mod" 2>/dev/null)
-    openssl_tool=$(which openssl 2>/dev/null)
-    # Do not use built-in printf!
-    printf_tool=$(which printf 2>/dev/null)
-
-    # Make sure all the tools required for signature validation are available.
-    [ -x "$extraction_tool" ] || return
-    [ -n "$mod_path"        ] || return
-    [ -n "$openssl_tool"    ] || return
-    [ -n "$printf_tool"     ] || return
-
-    # Make sure openssl can handle hash algorithm.
-    sig_hashalgo=$(modinfo -F sig_hashalgo "$mod" 2>/dev/null)
-    [ "$(module_sig_hash_supported $sig_hashalgo)" = "1" ] || return
-
-    # Generate file names for temporary stuff.
-    mod_pub_key=$(mktemp -u)
-    mod_signature=$(mktemp -u)
-    mod_unsigned=$(mktemp -u)
-
-    # Convert public key in DER format into X509 certificate form.
-    "$openssl_tool" x509 -pubkey -inform DER -in "$DEB_PUB_KEY" -out "$mod_pub_key" 2>/dev/null
-    # Extract raw module signature and convert it into binary format.
-    "$printf_tool" \\x$(modinfo -F signature "$mod" | sed -z 's/[ \t\n]//g' | sed -e "s/:/\\\x/g") 2>/dev/null > "$mod_signature"
-    # Extract unsigned module for further digest calculation.
-    "$extraction_tool" -0 "$mod_path" 2>/dev/null > "$mod_unsigned"
-
-    # Verify signature.
-    rc=""
-    "$openssl_tool" dgst "-$sig_hashalgo" -binary -verify "$mod_pub_key" -signature "$mod_signature" "$mod_unsigned" 2>&1 >/dev/null && rc="1"
-    # Clean up.
-    rm -f $mod_pub_key $mod_signature $mod_unsigned
-
-    # Check result.
-    [ "$rc" = "1" ] || return
-
-    echo "1"
-}
-
-# Returns "1" if externally built module is available in the system and its
-# version and revision number do match to current VirtualBox installation.
-# Or empty string otherwise.
-module_available()
-{
-    mod="$1"
-    [ -n "$mod" ] || return
-
-    [ "$VBOX_VERSION" = "$(module_version "$mod")" ] || return
-    [ "$VBOX_REVISION" = "$(module_revision "$mod")" ] || return
-
-    # Check if module belongs to VirtualBox installation.
-    #
-    # We have a convention that only modules from /lib/modules/*/misc
-    # belong to us. Modules from other locations are treated as
-    # externally built.
-    mod_path="$(module_path "$mod")"
-
-    # If module path points to a symbolic link, resolve actual file location.
-    [ -L "$mod_path" ] && mod_path="$(readlink -e -- "$mod_path")"
-
-    # File exists?
-    [ -f "$mod_path" ] || return
-
-    # Extract last component of module path and check whether it is located
-    # outside of /lib/modules/*/misc.
-    mod_dir="$(dirname "$mod_path" | sed 's;^.*/;;')"
-    [ "$mod_dir" = "misc" ] || return
-
-    # In case if kernel configuration requires module signature, check if module is signed.
-    if test "$(kernel_requires_module_signature)" = "1"; then
-        [ "$(module_signed "$mod")" = "1" ] || return
-    fi
-
-    echo "1"
-}
-
-# Check if required modules are installed in the system and versions match.
-setup_complete()
-{
-    [ "$(module_available vboxdrv)"    = "1" ] || return
-    [ "$(module_available vboxnetflt)" = "1" ] || return
-    [ "$(module_available vboxnetadp)" = "1" ] || return
-
-    # All modules are in place.
-    echo "1"
-}
-
 start()
 {
     begin_msg "Starting VirtualBox services" console
@@ -518,9 +171,6 @@
 
     if ! running vboxdrv; then
 
-        # Check if system already has matching modules installed.
-        [ "$(setup_complete)" = "1" ] || setup
-
         if ! rm -f $DEVICE; then
             failure "Cannot remove $DEVICE"
         fi
@@ -572,8 +222,6 @@
         mkdir -p -m 0750 /dev/vboxusb 2>/dev/null
         chown root:vboxusers /dev/vboxusb 2>/dev/null
     fi
-    # Remove any kernel modules left over from previously installed kernels.
-    cleanup only_old
     succ_msg "VirtualBox services started"
 }
 
@@ -654,153 +302,10 @@
     fi
 }
 
-cleanup()
-{
-    # If this is set, only remove kernel modules for no longer installed
-    # kernels.  Note that only generated kernel modules should be placed
-    # in /lib/modules/*/misc.  Anything that we should not remove automatically
-    # should go elsewhere.
-    only_old="${1}"
-    for i in /lib/modules/*; do
-        # Check whether we are only cleaning up for uninstalled kernels.
-        test -n "${only_old}" && test -e "${i}/kernel/drivers" && continue
-
-        unset do_update
-        for j in $MODULE_LIST; do
-            for mod_ext in ko ko.gz ko.xz ko.zst; do
-                test -f "${i}/misc/${j}.${mod_ext}" && do_update=1 && rm -f "${i}/misc/${j}.${mod_ext}"
-            done
-        done
-
-        # Trigger depmod(8) only in case if directory content was modified
-        # and save a bit of run time.
-        test -n "$do_update" && depmod -a "$(basename "$i")" && sync
-
-        # Remove the kernel version folder if it was empty except for us.
-        test   "`echo ${i}/misc/* ${i}/misc/.?* ${i}/* ${i}/.?*`" \
-             = "${i}/misc/* ${i}/misc/.. ${i}/misc ${i}/.." &&
-            rmdir "${i}/misc" "${i}"  # We used to leave empty folders.
-    done
-}
-
 # setup_script
 setup()
 {
-    begin_msg "Building VirtualBox kernel modules" console
-    log "Building the main VirtualBox module."
-
-    # Detect if kernel was built with clang.
-    unset LLVM
-    vbox_cc_is_clang=$(kernel_get_config_opt "CONFIG_CC_IS_CLANG")
-    if test "${vbox_cc_is_clang}" = "y"; then
-        log "Using clang compiler."
-        export LLVM=1
-    fi
-
-    if ! myerr=`$BUILDINTMP \
-        --save-module-symvers /tmp/vboxdrv-Module.symvers \
-        --module-source "$MODULE_SRC/vboxdrv" \
-        --no-print-directory install 2>&1`; then
-        "${INSTALL_DIR}/check_module_dependencies.sh" || exit 1
-        log "Error building the module:"
-        module_build_log "$myerr"
-        failure "Look at $LOG to find out what went wrong"
-    fi
-    log "Building the net filter module."
-    if ! myerr=`$BUILDINTMP \
-        --use-module-symvers /tmp/vboxdrv-Module.symvers \
-        --module-source "$MODULE_SRC/vboxnetflt" \
-        --no-print-directory install 2>&1`; then
-        log "Error building the module:"
-        module_build_log "$myerr"
-        failure "Look at $LOG to find out what went wrong"
-    fi
-    log "Building the net adapter module."
-    if ! myerr=`$BUILDINTMP \
-        --use-module-symvers /tmp/vboxdrv-Module.symvers \
-        --module-source "$MODULE_SRC/vboxnetadp" \
-        --no-print-directory install 2>&1`; then
-        log "Error building the module:"
-        module_build_log "$myerr"
-        failure "Look at $LOG to find out what went wrong"
-    fi
-    if test -e "$MODULE_SRC/vboxpci"; then
-        log "Building the PCI pass-through module."
-        if ! myerr=`$BUILDINTMP \
-            --use-module-symvers /tmp/vboxdrv-Module.symvers \
-            --module-source "$MODULE_SRC/vboxpci" \
-            --no-print-directory install 2>&1`; then
-            log "Error building the module:"
-            module_build_log "$myerr"
-            failure "Look at $LOG to find out what went wrong"
-        fi
-    fi
-    rm -f /etc/vbox/module_not_compiled
-    depmod -a
-    sync
-    succ_msg "VirtualBox kernel modules built"
-
-    # Sign kernel modules if kernel configuration requires it.
-    if test "$(kernel_requires_module_signature)" = "1"; then
-        begin_msg "Signing VirtualBox kernel modules" console
-
-        # Generate new signing key if needed.
-        [ -n "$HAVE_UPDATE_SECUREBOOT_POLICY_TOOL" ] && SHIM_NOTRIGGER=y update-secureboot-policy --new-key
-
-        # Check if signing keys are in place.
-        if test ! -f "$DEB_PUB_KEY" || ! test -f "$DEB_PRIV_KEY"; then
-            # update-secureboot-policy tool present in the system, but keys were not generated.
-            [ -n "$HAVE_UPDATE_SECUREBOOT_POLICY_TOOL" ] && fail_msg "
-
-update-secureboot-policy tool does not generate signing keys
-in your distribution, see below on how to generate them manually
-"
-
-            # update-secureboot-policy not present in the system, recommend generate keys manually.
-            failure "
-
-System is running in Secure Boot mode, however your distribution
-does not provide tools for automatic generation of keys needed for
-modules signing. Please consider to generate and enroll them manually:
-
-    sudo mkdir -p /var/lib/shim-signed/mok
-    sudo openssl req -nodes -new -x509 -newkey rsa:2048 -outform DER -addext \"extendedKeyUsage=codeSigning\" -keyout $DEB_PRIV_KEY -out $DEB_PUB_KEY
-    sudo mokutil --import $DEB_PUB_KEY
-    sudo reboot
-
-Restart \"rcvboxdrv setup\" after system is rebooted
-"
-        fi
-
-        # Check if signing tool is available.
-        [ -n "$SIGN_TOOL" ] || failure "Unable to find signing tool"
-
-        # Get kernel signature hash algorithm from kernel config and validate it.
-        sig_hashalgo=$(kernel_module_sig_hash)
-        [ "$(module_sig_hash_supported $sig_hashalgo)" = "1" ] \
-            || failure "Unsupported kernel signature hash algorithm $sig_hashalgo"
-
-        # Sign modules.
-        for i in $MODULE_LIST; do
-            "$SIGN_TOOL" "$sig_hashalgo" "$DEB_PRIV_KEY" "$DEB_PUB_KEY" \
-                /lib/modules/"$KERN_VER"/misc/"$i".ko 2>/dev/null || failure "Unable to sign $i.ko"
-        done
-
-        # Enroll signing key if needed.
-        if test -n "$HAVE_UPDATE_SECUREBOOT_POLICY_TOOL"; then
-            # update-secureboot-policy "expects" DKMS modules.
-            # Work around this and talk to the authors as soon
-            # as possible to fix it.
-            mkdir -p /var/lib/dkms/vbox-temp
-            update-secureboot-policy --enroll-key 2>/dev/null ||
-                begin_msg "Failed to enroll secure boot key." console
-            rmdir -p /var/lib/dkms/vbox-temp 2>/dev/null
-
-            # Indicate that key has been enrolled and reboot is needed.
-            HAVE_DEB_KEY=true
-        fi
-        succ_msg "Signing completed"
-    fi
+    echo "Not implemented! Please use the virtualbox-kernel.SlackBuild available at SlackBuilds.org instead."
 }
 
 dmnstatus()
@@ -850,20 +355,7 @@
     stop && start
     ;;
 setup)
-    test -n "${2}" && export KERN_VER="${2}"
-    # Create udev rule and USB device nodes.
-    ## todo Wouldn't it make more sense to install the rule to /lib/udev?  This
-    ## is not a user-created configuration file after all.
-    ## todo Do we need a udev rule to create /dev/vboxdrv[u] at all?  We have
-    ## working fall-back code here anyway, and the "right" code is more complex
-    ## than the fall-back.  Unnecessary duplication?
-    stop && cleanup
-    setup_usb "$GROUP" "$DEVICE_MODE" "$INSTALL_DIR"
-    start
-    ;;
-cleanup)
-    stop && cleanup
-    cleanup_usb
+    setup
     ;;
 force-reload)
     stop
@@ -873,7 +365,7 @@
     dmnstatus
     ;;
 *)
-    echo "Usage: $0 {start|stop|stop_vms|restart|setup|cleanup|force-reload|status}"
+    echo "Usage: $0 {start|stop|stop_vms|restart|setup|force-reload|status}"
     exit 1
 esac