forked from dracutdevs/dracut
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathdracut-init.sh
1093 lines (965 loc) · 35.7 KB
/
dracut-init.sh
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
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/bin/bash
#
# functions used only by dracut and dracut modules
#
# Copyright 2005-2009 Red Hat, Inc. All rights reserved.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
export LC_MESSAGES=C
if [[ "$EUID" = "0" ]] && ! [[ $DRACUT_NO_XATTR ]]; then
export DRACUT_CP="cp --reflink=auto --sparse=auto --preserve=mode,timestamps,xattr,links -dfr"
else
export DRACUT_CP="cp --reflink=auto --sparse=auto --preserve=mode,timestamps,links -dfr"
fi
# is_func <command>
# Check whether $1 is a function.
is_func() {
[[ "$(type -t "$1")" = "function" ]]
}
if ! [[ $dracutbasedir ]]; then
dracutbasedir=${BASH_SOURCE[0]%/*}
[[ $dracutbasedir = dracut-functions* ]] && dracutbasedir="."
[[ $dracutbasedir ]] || dracutbasedir="."
dracutbasedir="$(readlink -f $dracutbasedir)"
fi
if ! is_func dinfo >/dev/null 2>&1; then
# shellcheck source=./dracut-logger.sh
. "$dracutbasedir/dracut-logger.sh"
dlog_init
fi
# shellcheck disable=SC2154
if ! [[ $initdir ]]; then
dfatal "initdir not set"
exit 1
fi
if ! [[ -d $initdir ]]; then
mkdir -p "$initdir"
fi
if ! [[ $kernel ]]; then
kernel=$(uname -r)
export kernel
fi
# shellcheck disable=SC2154
srcmods="$dracutsysrootdir/lib/modules/$kernel/"
# shellcheck disable=SC2154
[[ $drivers_dir ]] && {
if ! command -v kmod &>/dev/null && vercmp "$(modprobe --version | cut -d' ' -f3)" lt 3.7; then
dfatal 'To use --kmoddir option module-init-tools >= 3.7 is required.'
exit 1
fi
srcmods="$drivers_dir"
}
export srcmods
[[ $DRACUT_FIRMWARE_PATH ]] || export DRACUT_FIRMWARE_PATH="/lib/firmware/updates:/lib/firmware:/lib/firmware/$kernel"
# export standard hookdirs
[[ $hookdirs ]] || {
hookdirs="cmdline pre-udev pre-trigger netroot "
hookdirs+="initqueue initqueue/settled initqueue/online initqueue/finished initqueue/timeout "
hookdirs+="pre-mount pre-pivot cleanup mount "
hookdirs+="emergency shutdown-emergency pre-shutdown shutdown "
export hookdirs
}
DRACUT_LDD=${DRACUT_LDD:-ldd}
DRACUT_TESTBIN=${DRACUT_TESTBIN:-/bin/sh}
DRACUT_LDCONFIG=${DRACUT_LDCONFIG:-ldconfig}
# shellcheck source=./dracut-functions.sh
. "$dracutbasedir"/dracut-functions.sh
# Detect lib paths
if ! [[ $libdirs ]] ; then
if [[ $("$DRACUT_LDD" "$dracutsysrootdir$DRACUT_TESTBIN") == */lib64/* ]] &>/dev/null \
&& [[ -d $dracutsysrootdir/lib64 ]]; then
libdirs+=" /lib64"
[[ -d $dracutsysrootdir/usr/lib64 ]] && libdirs+=" /usr/lib64"
else
libdirs+=" /lib"
[[ -d $dracutsysrootdir/usr/lib ]] && libdirs+=" /usr/lib"
fi
libdirs+=" $(ldconfig_paths)"
export libdirs
fi
# helper function for check() in module-setup.sh
# to check for required installed binaries
# issues a standardized warning message
require_binaries() {
# shellcheck disable=SC2154
local _module_name="${moddir##*/}"
local _ret=0
if [[ "$1" = "-m" ]]; then
_module_name="$2"
shift 2
fi
for cmd in "$@"; do
if ! find_binary "$cmd" &>/dev/null; then
dinfo "dracut module '${_module_name#[0-9][0-9]}' will not be installed, because command '$cmd' could not be found!"
((_ret++))
fi
done
return "$_ret"
}
require_any_binary() {
local _module_name="${moddir##*/}"
local _ret=1
if [[ "$1" = "-m" ]]; then
_module_name="$2"
shift 2
fi
for cmd in "$@"; do
if find_binary "$cmd" &>/dev/null; then
_ret=0
break
fi
done
if (( _ret != 0 )); then
dinfo "$_module_name: Could not find any command of '$*'!"
return 1
fi
return 0
}
dracut_need_initqueue() {
: >"$initdir/lib/dracut/need-initqueue"
}
dracut_module_included() {
# shellcheck disable=SC2154
[[ " $mods_to_load $modules_loaded " == *\ $*\ * ]]
}
dracut_no_switch_root() {
: >"$initdir/lib/dracut/no-switch-root"
}
dracut_module_path() {
local _dir
# shellcheck disable=SC2231
for _dir in "${dracutbasedir}"/modules.d/??${1}; do
echo "$_dir"
return 0
done
return 1
}
if ! [[ $DRACUT_INSTALL ]]; then
DRACUT_INSTALL=$(find_binary dracut-install)
fi
if ! [[ $DRACUT_INSTALL ]] && [[ -x $dracutbasedir/dracut-install ]]; then
DRACUT_INSTALL=$dracutbasedir/dracut-install
elif ! [[ $DRACUT_INSTALL ]] && [[ -x $dracutbasedir/install/dracut-install ]]; then
DRACUT_INSTALL=$dracutbasedir/install/dracut-install
fi
# Test if dracut-install is a standalone executable with no options.
# E.g. DRACUT_INSTALL may be set externally as:
# DRACUT_INSTALL="valgrind dracut-install"
# or
# DRACUT_INSTALL="dracut-install --debug"
# in which case the string cannot be tested for being executable.
DRINSTALLPARTS=0
for i in $DRACUT_INSTALL ; do
DRINSTALLPARTS=$((DRINSTALLPARTS+1))
done
if [[ $DRINSTALLPARTS = 1 ]] && ! command -v "$DRACUT_INSTALL" > /dev/null 2>&1 ; then
dfatal "dracut-install not found!"
exit 10
fi
if [[ $hostonly == "-h" ]]; then
if ! [[ $DRACUT_KERNEL_MODALIASES ]] || ! [[ -f "$DRACUT_KERNEL_MODALIASES" ]]; then
export DRACUT_KERNEL_MODALIASES="${DRACUT_TMPDIR}/modaliases"
"$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${srcmods:+--kerneldir "$srcmods"} --modalias > "$DRACUT_KERNEL_MODALIASES"
fi
fi
[[ $DRACUT_RESOLVE_LAZY ]] || export DRACUT_RESOLVE_DEPS=1
inst_dir() {
[[ -e ${initdir}/"$1" ]] && return 0 # already there
if ! "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} -d "$@"; then
derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} -d "$@"
fi
}
inst() {
local _hostonly_install
if [[ "$1" == "-H" ]]; then
_hostonly_install="-H"
shift
fi
[[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
# shellcheck disable=SC2154
if ! "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"; then
derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"
fi
}
inst_simple() {
local _hostonly_install
if [[ "$1" == "-H" ]]; then
_hostonly_install="-H"
shift
fi
[[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
[[ -e $1 ]] || return 1 # no source
if ! "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@"; then
derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@" || :
fi
}
inst_symlink() {
local _hostonly_install
if [[ "$1" == "-H" ]]; then
_hostonly_install="-H"
shift
fi
[[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
[[ -L $1 ]] || return 1
if ! "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"; then
derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || :
fi
}
inst_multiple() {
local _ret
if "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"; then
return 0
else
_ret=$?
derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || :
return $_ret
fi
}
dracut_install() {
inst_multiple "$@"
}
dracut_instmods() {
local _silent=0;
local i;
# shellcheck disable=SC2154
[[ $no_kernel = yes ]] && return
for i in "$@"; do
[[ $i == "--silent" ]] && _silent=1
done
# shellcheck disable=SC2154
if ! "$DRACUT_INSTALL" \
${dracutsysrootdir:+-r "$dracutsysrootdir"} \
${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${hostonly:+-H} ${omit_drivers:+-N "$omit_drivers"} ${srcmods:+--kerneldir "$srcmods"} -m "$@"; then
if ((_silent == 0)); then
derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${hostonly:+-H} ${omit_drivers:+-N "$omit_drivers"} ${srcmods:+--kerneldir "$srcmods"} -m "$@" || :
fi
fi
}
inst_library() {
local _hostonly_install
if [[ "$1" == "-H" ]]; then
_hostonly_install="-H"
shift
fi
[[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there
[[ -e $1 ]] || return 1 # no source
if ! "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@"; then
derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || :
fi
}
inst_binary() {
if ! "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"; then
derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" || :
fi
}
inst_script() {
if ! "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"; then
derror FAILED: "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" || :
fi
}
inst_fsck_help() {
local _helper="/run/dracut/fsck/fsck_help_$1.txt"
if ! "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$2" "$_helper"; then
derror "$DRACUT_INSTALL" ${dracutsysrootdir:+-r "$dracutsysrootdir"} ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$2" "$_helper" || :
fi
}
# Use with form hostonly="$(optional_hostonly)" inst_xxxx <args>
# If hosotnly mode is set to "strict", hostonly restrictions will still
# be applied, else will ignore hostonly mode and try to install all
# given modules.
optional_hostonly() {
# shellcheck disable=SC2154
if [[ $hostonly_mode = "strict" ]]; then
printf -- "%s" "$hostonly"
else
printf ""
fi
}
mark_hostonly() {
for i in "$@"; do
echo "$i" >> "$initdir/lib/dracut/hostonly-files"
done
}
# find symlinks linked to given library file
# $1 = library file
# Function searches for symlinks by stripping version numbers appended to
# library filename, checks if it points to the same target and finally
# prints the list of symlinks to stdout.
#
# Example:
# rev_lib_symlinks libfoo.so.8.1
# output: libfoo.so.8 libfoo.so
# (Only if libfoo.so.8 and libfoo.so exists on host system.)
rev_lib_symlinks() {
local _fn
local _orig
local _links
[[ ! $1 ]] && return 0
_fn="$1"
_orig="$(readlink -f "$1")"
_links=()
[[ ${_fn} == *.so.* ]] || return 1
until [[ ${_fn##*.} == so ]]; do
_fn="${_fn%.*}"
[[ -L ${_fn} ]] && [[ $(readlink -f "${_fn}") == "${_orig}" ]] && _links+=( "${_fn}" )
done
echo "${_links[*]}}"
}
# attempt to install any programs specified in a udev rule
inst_rule_programs() {
local _prog _bin
# shellcheck disable=SC2013
for _prog in $(sed -nr 's/.*PROGRAM==?"([^ "]+).*/\1/p' "$1"); do
_bin=""
# shellcheck disable=SC2154
if [[ -x ${udevdir}/$_prog ]]; then
_bin="${udevdir}"/$_prog
elif [[ "${_prog/\$env\{/}" == "$_prog" ]]; then
_bin=$(find_binary "$_prog") || {
dinfo "Skipping program $_prog using in udev rule ${1##*/} as it cannot be found"
continue;
}
fi
[[ $_bin ]] && inst_binary "$_bin"
done
# shellcheck disable=SC2013
for _prog in $(sed -nr 's/.*RUN[+=]=?"([^ "]+).*/\1/p' "$1"); do
_bin=""
if [[ -x ${udevdir}/$_prog ]]; then
_bin=${udevdir}/$_prog
elif [[ "${_prog/\$env\{/}" == "$_prog" ]] && [[ "${_prog}" != "/sbin/initqueue" ]]; then
_bin=$(find_binary "$_prog") || {
dinfo "Skipping program $_prog using in udev rule ${1##*/} as it cannot be found"
continue;
}
fi
[[ $_bin ]] && inst_binary "$_bin"
done
# shellcheck disable=SC2013
for _prog in $(sed -nr 's/.*IMPORT\{program\}==?"([^ "]+).*/\1/p' "$1"); do
_bin=""
if [[ -x ${udevdir}/$_prog ]]; then
_bin=${udevdir}/$_prog
elif [[ "${_prog/\$env\{/}" == "$_prog" ]]; then
_bin=$(find_binary "$_prog") || {
dinfo "Skipping program $_prog using in udev rule ${1##*/} as it cannot be found"
continue;
}
fi
[[ $_bin ]] && dracut_install "$_bin"
done
}
# attempt to install any programs specified in a udev rule
inst_rule_group_owner() {
local i
# shellcheck disable=SC2013
for i in $(sed -nr 's/.*OWNER=?"([^ "]+).*/\1/p' "$1"); do
if ! grep -Eq "^$i:" "$initdir/etc/passwd" 2>/dev/null; then
grep -E "^$i:" "$dracutsysrootdir"/etc/passwd 2>/dev/null >> "$initdir/etc/passwd"
fi
done
# shellcheck disable=SC2013
for i in $(sed -nr 's/.*GROUP=?"([^ "]+).*/\1/p' "$1"); do
if ! grep -Eq "^$i:" "$initdir/etc/group" 2>/dev/null; then
grep -E "^$i:" "$dracutsysrootdir"/etc/group 2>/dev/null >> "$initdir/etc/group"
fi
done
}
inst_rule_initqueue() {
if grep -q -F initqueue "$1"; then
dracut_need_initqueue
fi
}
# udev rules always get installed in the same place, so
# create a function to install them to make life simpler.
inst_rules() {
local _target=/etc/udev/rules.d _rule _found
inst_dir "${udevdir}/rules.d"
inst_dir "$_target"
for _rule in "$@"; do
if [ "${_rule#/}" = "$_rule" ]; then
for r in "$dracutsysrootdir${udevdir}/rules.d" ${hostonly:+"$dracutsysrootdir"/etc/udev/rules.d}; do
[[ -e $r/$_rule ]] || continue
_found="$r/$_rule"
inst_rule_programs "$_found"
inst_rule_group_owner "$_found"
inst_rule_initqueue "$_found"
inst_simple "$_found"
done
fi
for r in '' "$dracutsysrootdir$dracutbasedir/rules.d/"; do
# skip rules without an absolute path
[[ "${r}$_rule" != /* ]] && continue
[[ -f ${r}$_rule ]] || continue
_found="${r}$_rule"
inst_rule_programs "$_found"
inst_rule_group_owner "$_found"
inst_rule_initqueue "$_found"
inst_simple "$_found" "$_target/${_found##*/}"
done
[[ $_found ]] || dinfo "Skipping udev rule: $_rule"
done
}
inst_rules_wildcard() {
local _target=/etc/udev/rules.d _rule _found
inst_dir "${udevdir}/rules.d"
inst_dir "$_target"
for _rule in ${udevdir}/rules.d/$1 ${dracutbasedir}/rules.d/$1 ; do
[[ -e $_rule ]] || continue
inst_rule_programs "$_rule"
inst_rule_group_owner "$_rule"
inst_rule_initqueue "$_rule"
inst_simple "$_rule"
_found=$_rule
done
if [[ -n ${hostonly} ]] ; then
for _rule in ${_target}/$1 ; do
[[ -f $_rule ]] || continue
inst_rule_programs "$_rule"
inst_rule_group_owner "$_rule"
inst_rule_initqueue "$_rule"
inst_simple "$_rule"
_found=$_rule
done
fi
[[ $_found ]] || dinfo "Skipping udev rule: $_rule"
}
prepare_udev_rules() {
if [ -z "$UDEVVERSION" ]; then
UDEVVERSION=$(udevadm --version)
export UDEVVERSION
fi
if [ -z "$UDEVVERSION" ]; then
derror "Failed to detect udev version!"
return 1
fi
if [ -z "${UDEVVERSION##*[!0-9]*}" ]; then
derror "udevadm --version did not report an integer, udev version cannot be determined!"
return 1
fi
for f in "$@"; do
f="${initdir}/etc/udev/rules.d/$f"
[ -e "$f" ] || continue
while read -r line || [ -n "$line" ]; do
if [ "${line%%IMPORT PATH_ID}" != "$line" ]; then
if (( UDEVVERSION >= 174 )); then
printf '%sIMPORT{builtin}="path_id"\n' "${line%%IMPORT PATH_ID}"
else
printf '%sIMPORT{program}="path_id %%p"\n' "${line%%IMPORT PATH_ID}"
fi
elif [ "${line%%IMPORT BLKID}" != "$line" ]; then
if (( UDEVVERSION >= 176 )); then
printf '%sIMPORT{builtin}="blkid"\n' "${line%%IMPORT BLKID}"
else
# shellcheck disable=SC2016
printf '%sIMPORT{program}="/sbin/blkid -o udev -p $tempnode"\n' "${line%%IMPORT BLKID}"
fi
else
echo "$line"
fi
done < "${f}" > "${f}.new"
mv "${f}.new" "$f"
done
}
# install function specialized for hooks
# $1 = type of hook, $2 = hook priority (lower runs first), $3 = hook
# All hooks should be POSIX/SuS compliant, they will be sourced by init.
inst_hook() {
if ! [[ -f $3 ]]; then
dfatal "Cannot install a hook ($3) that does not exist."
dfatal "Aborting initrd creation."
exit 1
elif ! [[ "$hookdirs" == *$1* ]]; then
dfatal "No such hook type $1. Aborting initrd creation."
exit 1
fi
inst_simple "$3" "/lib/dracut/hooks/${1}/${2}-${3##*/}"
}
# install any of listed files
#
# If first argument is '-d' and second some destination path, first accessible
# source is installed into this path, otherwise it will installed in the same
# path as source. If none of listed files was installed, function return 1.
# On first successful installation it returns with 0 status.
#
# Example:
#
# inst_any -d /bin/foo /bin/bar /bin/baz
#
# Lets assume that /bin/baz exists, so it will be installed as /bin/foo in
# initramfs.
inst_any() {
local to f
[[ $1 = '-d' ]] && to="$2" && shift 2
for f in "$@"; do
[[ -e $f ]] || continue
[[ $to ]] && inst "$f" "$to" && return 0
inst "$f" && return 0
done
return 1
}
# inst_libdir_file [-n <pattern>] <file> [<file>...]
# Install a <file> located on a lib directory to the initramfs image
# -n <pattern> install matching files
inst_libdir_file() {
local -a _files
if [[ "$1" == "-n" ]]; then
local _pattern=$2
shift 2
for _dir in $libdirs; do
for _i in "$@"; do
for _f in "$dracutsysrootdir$_dir"/$_i; do
[[ "${_f#$dracutsysrootdir}" =~ $_pattern ]] || continue
[[ -e "$_f" ]] && _files+=("${_f#$dracutsysrootdir}")
done
done
done
else
for _dir in $libdirs; do
for _i in "$@"; do
for _f in "$dracutsysrootdir$_dir"/$_i; do
[[ -e "$_f" ]] && _files+=("${_f#$dracutsysrootdir}")
done
done
done
fi
[[ ${#_files[@]} -gt 0 ]] && inst_multiple "${_files[@]}"
}
# get a command to decompress the given file
get_decompress_cmd() {
case "$1" in
*.gz) echo 'gzip -f -d' ;;
*.bz2) echo 'bzip2 -d' ;;
*.xz) echo 'xz -f -d' ;;
esac
}
# install function decompressing the target and handling symlinks
# $@ = list of compressed (gz or bz2) files or symlinks pointing to such files
#
# Function install targets in the same paths inside overlay but decompressed
# and without extensions (.gz, .bz2).
inst_decompress() {
local _src _cmd
for _src in "$@"; do
_cmd=$(get_decompress_cmd "${_src}")
[[ -z "${_cmd}" ]] && return 1
inst_simple "${_src}"
# Decompress with chosen tool. We assume that tool changes name e.g.
# from 'name.gz' to 'name'.
${_cmd} "${initdir}${_src}"
done
}
# It's similar to above, but if file is not compressed, performs standard
# install.
# $@ = list of files
inst_opt_decompress() {
local _src
for _src in "$@"; do
inst_decompress "${_src}" || inst "${_src}"
done
}
# module_check <dracut module> [<forced>] [<module path>]
# execute the check() function of module-setup.sh of <dracut module>
# or the "check" script, if module-setup.sh is not found
# "check $hostonly" is called
module_check() {
local _moddir=$3
local _ret
local _forced=0
local _hostonly=$hostonly
[[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
[ $# -eq 2 ] && _forced=$2
[[ -d $_moddir ]] || return 1
if [[ ! -f $_moddir/module-setup.sh ]]; then
# if we do not have a check script, we are unconditionally included
[[ -x $_moddir/check ]] || return 0
[[ $_forced != 0 ]] && unset hostonly
# don't quote $hostonly to leave argument empty
# shellcheck disable=SC2086
"$_moddir"/check $hostonly
_ret=$?
else
unset check depends cmdline install installkernel
check() { true; }
. "$_moddir"/module-setup.sh
is_func check || return 0
[[ $_forced != 0 ]] && unset hostonly
# don't quote $hostonly to leave argument empty
# shellcheck disable=SC2086
moddir="$_moddir" check $hostonly
_ret=$?
unset check depends cmdline install installkernel
fi
hostonly=$_hostonly
return $_ret
}
# module_check_mount <dracut module> [<module path>]
# execute the check() function of module-setup.sh of <dracut module>
# or the "check" script, if module-setup.sh is not found
# "mount_needs=1 check 0" is called
module_check_mount() {
local _moddir=$2
local _ret
export mount_needs=1
[[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
[[ -d $_moddir ]] || return 1
if [[ ! -f $_moddir/module-setup.sh ]]; then
# if we do not have a check script, we are unconditionally included
[[ -x $_moddir/check ]] || return 0
mount_needs=1 "$_moddir"/check 0
_ret=$?
else
unset check depends cmdline install installkernel
check() { false; }
. "$_moddir"/module-setup.sh
moddir=$_moddir check 0
_ret=$?
unset check depends cmdline install installkernel
fi
unset mount_needs
return "$_ret"
}
# module_depends <dracut module> [<module path>]
# execute the depends() function of module-setup.sh of <dracut module>
# or the "depends" script, if module-setup.sh is not found
module_depends() {
local _moddir=$2
local _ret
[[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
[[ -d $_moddir ]] || return 1
if [[ ! -f $_moddir/module-setup.sh ]]; then
# if we do not have a check script, we have no deps
[[ -x $_moddir/check ]] || return 0
"$_moddir"/check -d
return $?
else
unset check depends cmdline install installkernel
depends() { true; }
. "$_moddir"/module-setup.sh
moddir=$_moddir depends
_ret=$?
unset check depends cmdline install installkernel
return $_ret
fi
}
# module_cmdline <dracut module> [<module path>]
# execute the cmdline() function of module-setup.sh of <dracut module>
# or the "cmdline" script, if module-setup.sh is not found
module_cmdline() {
local _moddir=$2
local _ret
[[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
[[ -d $_moddir ]] || return 1
if [[ ! -f $_moddir/module-setup.sh ]]; then
[[ -x $_moddir/cmdline ]] && . "$_moddir/cmdline"
return $?
else
unset check depends cmdline install installkernel
cmdline() { true; }
. "$_moddir"/module-setup.sh
moddir="$_moddir" cmdline
_ret=$?
unset check depends cmdline install installkernel
return $_ret
fi
}
# module_install <dracut module> [<module path>]
# execute the install() function of module-setup.sh of <dracut module>
# or the "install" script, if module-setup.sh is not found
module_install() {
local _moddir=$2
local _ret
[[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
[[ -d $_moddir ]] || return 1
if [[ ! -f $_moddir/module-setup.sh ]]; then
[[ -x $_moddir/install ]] && . "$_moddir/install"
return $?
else
unset check depends cmdline install installkernel
install() { true; }
. "$_moddir"/module-setup.sh
moddir="$_moddir" install
_ret=$?
unset check depends cmdline install installkernel
return $_ret
fi
}
# module_installkernel <dracut module> [<module path>]
# execute the installkernel() function of module-setup.sh of <dracut module>
# or the "installkernel" script, if module-setup.sh is not found
module_installkernel() {
local _moddir=$2
local _ret
[[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
[[ -d $_moddir ]] || return 1
if [[ ! -f $_moddir/module-setup.sh ]]; then
[[ -x $_moddir/installkernel ]] && . "$_moddir/installkernel"
return $?
else
unset check depends cmdline install installkernel
installkernel() { true; }
. "$_moddir"/module-setup.sh
moddir="$_moddir" installkernel
_ret=$?
unset check depends cmdline install installkernel
return $_ret
fi
}
# check_mount <dracut module> [<use_as_dep>] [<module path>]
# check_mount checks, if a dracut module is needed for the given
# device and filesystem types in "${host_fs_types[@]}"
check_mount() {
local _mod=$1
local _moddir=$3
local _ret
local _moddep
[[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
# shellcheck disable=SC2154
[ "${#host_fs_types[@]}" -le 0 ] && return 1
# If we are already scheduled to be loaded, no need to check again.
[[ " $mods_to_load " == *\ $_mod\ * ]] && return 0
[[ " $mods_checked_as_dep " == *\ $_mod\ * ]] && return 1
# This should never happen, but...
[[ -d $_moddir ]] || return 1
[[ $2 ]] || mods_checked_as_dep+=" $_mod "
# shellcheck disable=SC2154
if [[ " $omit_dracutmodules " == *\ $_mod\ * ]]; then
return 1
fi
if [[ " $dracutmodules $add_dracutmodules $force_add_dracutmodules" == *\ $_mod\ * ]]; then
module_check_mount "$_mod" "$_moddir"; ret=$?
# explicit module, so also accept ret=255
[[ $ret = 0 || $ret = 255 ]] || return 1
else
# module not in our list
if [[ $dracutmodules = all ]]; then
# check, if we can and should install this module
module_check_mount "$_mod" "$_moddir" || return 1
else
# skip this module
return 1
fi
fi
for _moddep in $(module_depends "$_mod" "$_moddir"); do
# handle deps as if they were manually added
[[ " $dracutmodules " == *\ $_mod\ * ]] \
&& [[ " $dracutmodules " != *\ $_moddep\ * ]] \
&& dracutmodules+=" $_moddep "
[[ " $add_dracutmodules " == *\ $_mod\ * ]] \
&& [[ " $add_dracutmodules " != *\ $_moddep\ * ]] \
&& add_dracutmodules+=" $_moddep "
[[ " $force_add_dracutmodules " == *\ $_mod\ * ]] \
&& [[ " $force_add_dracutmodules " != *\ $_moddep\ * ]] \
&& force_add_dracutmodules+=" $_moddep "
# if a module we depend on fail, fail also
if ! check_module "$_moddep"; then
derror "dracut module '$_mod' depends on '$_moddep', which can't be installed"
return 1
fi
done
[[ " $mods_to_load " == *\ $_mod\ * ]] || \
mods_to_load+=" $_mod "
return 0
}
# check_module <dracut module> [<use_as_dep>] [<module path>]
# check if a dracut module is to be used in the initramfs process
# if <use_as_dep> is set, then the process also keeps track
# that the modules were checked for the dependency tracking process
check_module() {
local _mod=$1
local _moddir=$3
local _ret
local _moddep
[[ -z $_moddir ]] && _moddir=$(dracut_module_path "$1")
# If we are already scheduled to be loaded, no need to check again.
[[ " $mods_to_load " == *\ $_mod\ * ]] && return 0
[[ " $mods_checked_as_dep " == *\ $_mod\ * ]] && return 1
# This should never happen, but...
[[ -d $_moddir ]] || return 1
[[ $2 ]] || mods_checked_as_dep+=" $_mod "
if [[ " $omit_dracutmodules " == *\ $_mod\ * ]]; then
ddebug "dracut module '$_mod' will not be installed, because it's in the list to be omitted!"
return 1
fi
if [[ " $dracutmodules $add_dracutmodules $force_add_dracutmodules" == *\ $_mod\ * ]]; then
if [[ " $dracutmodules $force_add_dracutmodules " == *\ $_mod\ * ]]; then
module_check "$_mod" 1 "$_moddir"; ret=$?
else
module_check "$_mod" 0 "$_moddir"; ret=$?
fi
# explicit module, so also accept ret=255
[[ $ret = 0 || $ret = 255 ]] || return 1
else
# module not in our list
if [[ $dracutmodules = all ]]; then
# check, if we can and should install this module
module_check "$_mod" 0 "$_moddir"; ret=$?
if [[ $ret != 0 ]]; then
[[ $2 ]] && return 1
[[ $ret != 255 ]] && return 1
fi
else
# skip this module
return 1
fi
fi
for _moddep in $(module_depends "$_mod" "$_moddir"); do
# handle deps as if they were manually added
[[ " $dracutmodules " == *\ $_mod\ * ]] \
&& [[ " $dracutmodules " != *\ $_moddep\ * ]] \
&& dracutmodules+=" $_moddep "
[[ " $add_dracutmodules " == *\ $_mod\ * ]] \
&& [[ " $add_dracutmodules " != *\ $_moddep\ * ]] \
&& add_dracutmodules+=" $_moddep "
[[ " $force_add_dracutmodules " == *\ $_mod\ * ]] \
&& [[ " $force_add_dracutmodules " != *\ $_moddep\ * ]] \
&& force_add_dracutmodules+=" $_moddep "
# if a module we depend on fail, fail also
if ! check_module "$_moddep"; then
derror "dracut module '$_mod' depends on '$_moddep', which can't be installed"
return 1
fi
done
[[ " $mods_to_load " == *\ $_mod\ * ]] || \
mods_to_load+=" $_mod "
return 0
}
# for_each_module_dir <func>
# execute "<func> <dracut module> 1 <module path>"
for_each_module_dir() {
local _modcheck
local _mod
local _moddir
local _func
_func=$1
for _moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do
[[ -d $_moddir ]] || continue;
[[ -e $_moddir/install || -e $_moddir/installkernel || \
-e $_moddir/module-setup.sh ]] || continue
_mod=${_moddir##*/}; _mod=${_mod#[0-9][0-9]}
$_func "$_mod" 1 "$_moddir"
done
# Report any missing dracut modules, the user has specified
_modcheck="$add_dracutmodules $force_add_dracutmodules"
[[ $dracutmodules != all ]] && _modcheck="$_modcheck $dracutmodules"
for _mod in $_modcheck; do
[[ " $mods_to_load " == *\ $_mod\ * ]] && continue
[[ " $force_add_dracutmodules " != *\ $_mod\ * ]] \
&& [[ " $dracutmodules " != *\ $_mod\ * ]] \
&& [[ " $omit_dracutmodules " == *\ $_mod\ * ]] \
&& continue
derror "dracut module '$_mod' cannot be found or installed."
[[ " $force_add_dracutmodules " == *\ $_mod\ * ]] && exit 1
[[ " $dracutmodules " == *\ $_mod\ * ]] && exit 1
[[ " $add_dracutmodules " == *\ $_mod\ * ]] && exit 1
done
}
dracut_kernel_post() {
for _f in modules.builtin.bin modules.builtin modules.order; do
[[ -e $srcmods/$_f ]] && inst_simple "$srcmods/$_f" "/lib/modules/$kernel/$_f"
done
# generate module dependencies for the initrd
if [[ -d $initdir/lib/modules/$kernel ]] && \
! depmod -a -b "$initdir" "$kernel"; then
dfatal "\"depmod -a $kernel\" failed."
exit 1
fi
}
instmods() {
# instmods [-c [-s]] <kernel module> [<kernel module> ... ]
# instmods [-c [-s]] <kernel subsystem>