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04b56f3a | 1 | #!/bin/bash |
cc02093d HH |
2 | # -*- mode: shell-script; indent-tabs-mode: nil; sh-basic-offset: 4; -*- |
3 | # ex: ts=8 sw=4 sts=4 et filetype=sh | |
04b56f3a | 4 | # |
33ee031c | 5 | # functions used by dracut and other tools. |
04b56f3a | 6 | # |
33ee031c | 7 | # Copyright 2005-2009 Red Hat, Inc. All rights reserved. |
04b56f3a JK |
8 | # |
9 | # This program is free software; you can redistribute it and/or modify | |
10 | # it under the terms of the GNU General Public License as published by | |
11 | # the Free Software Foundation; either version 2 of the License, or | |
12 | # (at your option) any later version. | |
13 | # | |
14 | # This program is distributed in the hope that it will be useful, | |
15 | # but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | # GNU General Public License for more details. | |
18 | # | |
19 | # You should have received a copy of the GNU General Public License | |
0f9c78c1 | 20 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
04b56f3a | 21 | # |
04b56f3a | 22 | |
70c6b773 | 23 | [[ -d "$initdir/.kernelmodseen" ]] || mkdir -p "$initdir/.kernelmodseen" |
ec1aa3bc | 24 | |
8d95b8b3 | 25 | # Generic substring function. If $2 is in $1, return 0. |
520047c3 | 26 | strstr() { [[ $1 = *$2* ]]; } |
8d95b8b3 | 27 | |
0874654c HH |
28 | if ! [[ $dracutbasedir ]]; then |
29 | dracutbasedir=${BASH_SOURCE[0]%/*} | |
30 | [[ $dracutbasedir = "dracut-functions" ]] && dracutbasedir="." | |
31 | [[ $dracutbasedir ]] || dracutbasedir="." | |
32 | dracutbasedir="$(readlink -f $dracutbasedir)" | |
33 | fi | |
34 | ||
8d95b8b3 HH |
35 | # Detect lib paths |
36 | if ! [[ $libdirs ]] ; then | |
37 | if strstr "$(ldd /bin/sh)" "/lib64/" &>/dev/null \ | |
38 | && [[ -d /lib64 ]]; then | |
39 | libdirs+=" /lib64" | |
40 | [[ -d /usr/lib64 ]] && libdirs+=" /usr/lib64" | |
41 | else | |
42 | libdirs+=" /lib" | |
43 | [[ -d /usr/lib ]] && libdirs+=" /usr/lib" | |
44 | fi | |
45 | export libdirs | |
46 | fi | |
47 | ||
48 | if ! [[ $kernel ]]; then | |
49 | kernel=$(uname -r) | |
50 | export kernel | |
51 | fi | |
52 | ||
53 | srcmods="/lib/modules/$kernel/" | |
54 | [[ $drivers_dir ]] && { | |
55 | if vercmp $(modprobe --version | cut -d' ' -f3) lt 3.7; then | |
56 | dfatal 'To use --kmoddir option module-init-tools >= 3.7 is required.' | |
57 | exit 1 | |
58 | fi | |
59 | srcmods="$drivers_dir" | |
60 | } | |
61 | export srcmods | |
62 | ||
d6d53f60 | 63 | if ! type dinfo >/dev/null 2>&1; then |
552ecca6 | 64 | . "$dracutbasedir/dracut-logger.sh" |
e103615b AŻ |
65 | dlog_init |
66 | fi | |
67 | ||
7e2bca48 HH |
68 | # export standard hookdirs |
69 | [[ $hookdirs ]] || { | |
4fed3ddf | 70 | hookdirs="cmdline pre-udev pre-trigger netroot " |
6e3cc00f | 71 | hookdirs+="initqueue initqueue/settled initqueue/online initqueue/finished initqueue/timeout " |
eef7649e HH |
72 | hookdirs+="pre-mount pre-pivot cleanup mount " |
73 | hookdirs+="emergency shutdown-emergency shutdown " | |
7e2bca48 HH |
74 | export hookdirs |
75 | } | |
76 | ||
87122afc AŻ |
77 | # Create all subdirectories for given path without creating the last element. |
78 | # $1 = path | |
f8be7528 | 79 | mksubdirs() { [[ -e ${1%/*} ]] || mkdir -m 0755 -p ${1%/*}; } |
87122afc | 80 | |
22ecea45 AŻ |
81 | # Version comparision function. Assumes Linux style version scheme. |
82 | # $1 = version a | |
83 | # $2 = comparision op (gt, ge, eq, le, lt, ne) | |
84 | # $3 = version b | |
ecf42850 | 85 | vercmp() { |
29b10e65 | 86 | local _n1=(${1//./ }) _op=$2 _n2=(${3//./ }) _i _res |
ecf42850 | 87 | |
29b10e65 | 88 | for ((_i=0; ; _i++)) |
22ecea45 | 89 | do |
29b10e65 HH |
90 | if [[ ! ${_n1[_i]}${_n2[_i]} ]]; then _res=0 |
91 | elif ((${_n1[_i]:-0} > ${_n2[_i]:-0})); then _res=1 | |
92 | elif ((${_n1[_i]:-0} < ${_n2[_i]:-0})); then _res=2 | |
22ecea45 AŻ |
93 | else continue |
94 | fi | |
95 | break | |
ecf42850 | 96 | done |
ecf42850 | 97 | |
29b10e65 HH |
98 | case $_op in |
99 | gt) ((_res == 1));; | |
100 | ge) ((_res != 2));; | |
101 | eq) ((_res == 0));; | |
102 | le) ((_res != 1));; | |
103 | lt) ((_res == 2));; | |
104 | ne) ((_res != 0));; | |
22ecea45 | 105 | esac |
ecf42850 AŻ |
106 | } |
107 | ||
7e2bca48 HH |
108 | # is_func <command> |
109 | # Check whether $1 is a function. | |
95d2dabc | 110 | is_func() { |
0b706743 | 111 | [[ $(type -t $1) = "function" ]] |
95d2dabc HH |
112 | } |
113 | ||
87122afc AŻ |
114 | # Function prints global variables in format name=value line by line. |
115 | # $@ = list of global variables' name | |
116 | print_vars() { | |
29b10e65 | 117 | local _var _value |
87122afc | 118 | |
29b10e65 | 119 | for _var in $@ |
87122afc | 120 | do |
29b10e65 HH |
121 | _value=$(eval echo \$$_var) |
122 | [[ ${_value} ]] && echo "${_var}=\"${_value}\"" | |
87122afc AŻ |
123 | done |
124 | } | |
125 | ||
7e2bca48 HH |
126 | # normalize_path <path> |
127 | # Prints the normalized path, where it removes any duplicated | |
128 | # and trailing slashes. | |
129 | # Example: | |
130 | # $ normalize_path ///test/test// | |
131 | # /test/test | |
626d9eba | 132 | normalize_path() { |
c44e3cb4 MS |
133 | shopt -q -s extglob |
134 | set -- "${1//+(\/)//}" | |
135 | shopt -q -u extglob | |
136 | echo "${1%/}" | |
626d9eba | 137 | } |
d4bb4316 | 138 | |
7e2bca48 HH |
139 | # convert_abs_rel <from> <to> |
140 | # Prints the relative path, when creating a symlink to <to> from <from>. | |
141 | # Example: | |
142 | # $ convert_abs_rel /usr/bin/test /bin/test-2 | |
143 | # ../../bin/test-2 | |
144 | # $ ln -s $(convert_abs_rel /usr/bin/test /bin/test-2) /usr/bin/test | |
d4bb4316 | 145 | convert_abs_rel() { |
6d2a7942 | 146 | local __current __absolute __abssize __cursize __newpath |
c44e3cb4 | 147 | local -i __i __level |
d4bb4316 | 148 | |
c44e3cb4 MS |
149 | set -- "$(normalize_path "$1")" "$(normalize_path "$2")" |
150 | ||
c1609dd4 MS |
151 | # corner case #1 - self looping link |
152 | [[ "$1" == "$2" ]] && { echo "${1##*/}"; return; } | |
153 | ||
154 | # corner case #2 - own dir link | |
155 | [[ "${1%/*}" == "$2" ]] && { echo "."; return; } | |
156 | ||
6d2a7942 HH |
157 | IFS="/" __current=($1) |
158 | IFS="/" __absolute=($2) | |
d4bb4316 HH |
159 | |
160 | __abssize=${#__absolute[@]} | |
161 | __cursize=${#__current[@]} | |
162 | ||
163 | while [[ ${__absolute[__level]} == ${__current[__level]} ]] | |
164 | do | |
165 | (( __level++ )) | |
166 | if (( __level > __abssize || __level > __cursize )) | |
167 | then | |
168 | break | |
169 | fi | |
170 | done | |
171 | ||
172 | for ((__i = __level; __i < __cursize-1; __i++)) | |
173 | do | |
174 | if ((__i > __level)) | |
175 | then | |
176 | __newpath=$__newpath"/" | |
177 | fi | |
178 | __newpath=$__newpath".." | |
179 | done | |
180 | ||
181 | for ((__i = __level; __i < __abssize; __i++)) | |
182 | do | |
183 | if [[ -n $__newpath ]] | |
184 | then | |
185 | __newpath=$__newpath"/" | |
186 | fi | |
187 | __newpath=$__newpath${__absolute[__i]} | |
188 | done | |
189 | ||
190 | echo "$__newpath" | |
191 | } | |
192 | ||
7224913d | 193 | if strstr "$(ln --help)" "--relative"; then |
a20d24de HH |
194 | ln_r() { |
195 | ln -sfnr "${initdir}/$1" "${initdir}/$2" | |
196 | } | |
197 | else | |
198 | ln_r() { | |
199 | local _source=$1 | |
200 | local _dest=$2 | |
201 | [[ -d "${_dest%/*}" ]] && _dest=$(readlink -f "${_dest%/*}")/${_dest##*/} | |
202 | ln -sfn $(convert_abs_rel "${_dest}" "${_source}") "${initdir}/${_dest}" | |
203 | } | |
204 | fi | |
205 | ||
7e2bca48 HH |
206 | # get_fs_env <device> |
207 | # Get and set the ID_FS_TYPE and ID_FS_UUID variable from udev for a device. | |
208 | # Example: | |
209 | # $ get_fs_env /dev/sda2; echo $ID_FS_TYPE; echo $ID_FS_UUID | |
210 | # ext4 | |
211 | # 551a39aa-4ae9-4e70-a262-ef665cadb574 | |
9ede1929 | 212 | get_fs_env() { |
0e979d48 HH |
213 | local evalstr |
214 | local found | |
215 | ||
7c179686 | 216 | [[ $1 ]] || return |
29b10e65 HH |
217 | unset ID_FS_TYPE |
218 | unset ID_FS_UUID | |
0e979d48 HH |
219 | if evalstr=$(udevadm info --query=env --name=$1 \ |
220 | | { while read line; do | |
221 | strstr "$line" "DEVPATH" && found=1; | |
222 | strstr "$line" "ID_FS_TYPE=" && { echo $line; exit 0;} | |
223 | done; [[ $found ]] && exit 0; exit 1; }) ; then | |
224 | eval $evalstr | |
225 | [[ $ID_FS_TYPE ]] && return 0 | |
226 | return 1 | |
227 | fi | |
d8b9844c | 228 | |
0e979d48 | 229 | # Fallback, if we don't have udev information |
a5cde2dd | 230 | if find_binary blkid >/dev/null; then |
66b750a0 | 231 | eval $(blkid -o udev $1 \ |
a5cde2dd HH |
232 | | while read line; do |
233 | strstr "$line" "ID_FS_TYPE=" && echo $line; | |
234 | done) | |
235 | [[ $ID_FS_TYPE ]] && return 0 | |
7c179686 | 236 | fi |
a5cde2dd HH |
237 | return 1 |
238 | } | |
9ede1929 | 239 | |
7e2bca48 HH |
240 | # get_maj_min <device> |
241 | # Prints the major and minor of a device node. | |
242 | # Example: | |
243 | # $ get_maj_min /dev/sda2 | |
244 | # 8:2 | |
480d772f HH |
245 | get_maj_min() { |
246 | local _dev | |
74132a10 | 247 | _dev=$(stat -L -c '$((0x%t)):$((0x%T))' "$1" 2>/dev/null) |
480d772f HH |
248 | _dev=$(eval "echo $_dev") |
249 | echo $_dev | |
250 | } | |
251 | ||
7e2bca48 HH |
252 | # find_block_device <mountpoint> |
253 | # Prints the major and minor number of the block device | |
254 | # for a given mountpoint. | |
255 | # Unless $use_fstab is set to "yes" the functions | |
256 | # uses /proc/self/mountinfo as the primary source of the | |
257 | # information and only falls back to /etc/fstab, if the mountpoint | |
258 | # is not found there. | |
259 | # Example: | |
260 | # $ find_block_device /usr | |
261 | # 8:4 | |
f76ef3aa | 262 | find_block_device() { |
29b10e65 | 263 | local _x _mpt _majmin _dev _fs _maj _min |
0b706743 | 264 | if [[ $use_fstab != yes ]]; then |
29b10e65 | 265 | while read _x _x _majmin _x _mpt _x _x _fs _dev _x; do |
7ae5d9d1 | 266 | [[ $_mpt = $1 ]] || continue |
29b10e65 HH |
267 | [[ $_fs = nfs ]] && { echo $_dev; return 0;} |
268 | [[ $_fs = nfs3 ]] && { echo $_dev; return 0;} | |
269 | [[ $_fs = nfs4 ]] && { echo $_dev; return 0;} | |
270 | [[ $_fs = btrfs ]] && { | |
480d772f HH |
271 | get_maj_min $_dev |
272 | return 0; | |
51c977d1 | 273 | } |
7ae5d9d1 | 274 | if [[ ${_majmin#0:} = $_majmin ]]; then |
29b10e65 | 275 | echo $_majmin |
cc02093d HH |
276 | return 0 # we have a winner! |
277 | fi | |
0b706743 | 278 | done < /proc/self/mountinfo |
7c179686 | 279 | fi |
0b706743 | 280 | # fall back to /etc/fstab |
29b10e65 | 281 | while read _dev _mpt _fs _x; do |
85f8bb16 HH |
282 | [ "${_dev%%#*}" != "$_dev" ] && continue |
283 | ||
29b10e65 HH |
284 | if [[ $_mpt = $1 ]]; then |
285 | [[ $_fs = nfs ]] && { echo $_dev; return 0;} | |
286 | [[ $_fs = nfs3 ]] && { echo $_dev; return 0;} | |
287 | [[ $_fs = nfs4 ]] && { echo $_dev; return 0;} | |
288 | [[ $_dev != ${_dev#UUID=} ]] && _dev=/dev/disk/by-uuid/${_dev#UUID=} | |
289 | [[ $_dev != ${_dev#LABEL=} ]] && _dev=/dev/disk/by-label/${_dev#LABEL=} | |
290 | [[ -b $_dev ]] || return 1 # oops, not a block device. | |
c4e48eae | 291 | get_maj_min "$_dev" && return 0 |
cc02093d | 292 | fi |
7c179686 | 293 | done < /etc/fstab |
0b706743 AŻ |
294 | |
295 | return 1 | |
17829e94 VL |
296 | } |
297 | ||
7e2bca48 HH |
298 | # find_dev_fstype <device> |
299 | # Echo the filesystem type for a given device. | |
300 | # /proc/self/mountinfo is taken as the primary source of information | |
301 | # and /etc/fstab is used as a fallback. | |
302 | # No newline is appended! | |
303 | # Example: | |
304 | # $ find_dev_fstype /dev/sda2;echo | |
305 | # ext4 | |
7ae5d9d1 HH |
306 | find_dev_fstype() { |
307 | local _x _mpt _majmin _dev _fs _maj _min | |
308 | while read _x _x _majmin _x _mpt _x _x _fs _dev _x; do | |
309 | [[ $_dev = $1 ]] || continue | |
310 | echo -n $_fs; | |
311 | return 0; | |
312 | done < /proc/self/mountinfo | |
313 | ||
314 | # fall back to /etc/fstab | |
315 | while read _dev _mpt _fs _x; do | |
316 | [[ $_dev = $1 ]] || continue | |
317 | echo -n $_fs; | |
318 | return 0; | |
319 | done < /etc/fstab | |
320 | ||
321 | return 1 | |
322 | } | |
323 | ||
324 | # finds the major:minor of the block device backing the root filesystem. | |
f76ef3aa VL |
325 | find_root_block_device() { find_block_device /; } |
326 | ||
7e2bca48 HH |
327 | # for_each_host_dev_fs <func> |
328 | # Execute "<func> <dev> <filesystem>" for every "<dev>|<fs>" pair found | |
329 | # in ${host_fs_types[@]} | |
480d772f HH |
330 | for_each_host_dev_fs() |
331 | { | |
332 | local _func="$1" | |
d0096de7 AW |
333 | local _dev |
334 | local _fs | |
2efa546f | 335 | local _ret=1 |
480d772f HH |
336 | for f in ${host_fs_types[@]}; do |
337 | OLDIFS="$IFS" | |
338 | IFS="|" | |
339 | set -- $f | |
340 | IFS="$OLDIFS" | |
d0096de7 AW |
341 | _dev="$1" |
342 | [[ -b "$_dev" ]] || continue | |
343 | _fs="$2" | |
2efa546f | 344 | $_func $_dev $_fs && _ret=0 |
480d772f | 345 | done |
2efa546f | 346 | return $_ret |
480d772f HH |
347 | } |
348 | ||
17829e94 VL |
349 | # Walk all the slave relationships for a given block device. |
350 | # Stop when our helper function returns success | |
351 | # $1 = function to call on every found block device | |
352 | # $2 = block device in major:minor format | |
0b706743 | 353 | check_block_and_slaves() { |
29b10e65 | 354 | local _x |
17829e94 VL |
355 | [[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry. |
356 | "$1" $2 && return | |
533d7dc4 | 357 | check_vol_slaves "$@" && return 0 |
3478b314 | 358 | if [[ -f /sys/dev/block/$2/../dev ]]; then |
0b706743 | 359 | check_block_and_slaves $1 $(cat "/sys/dev/block/$2/../dev") && return 0 |
a3afcf2a | 360 | fi |
17829e94 | 361 | [[ -d /sys/dev/block/$2/slaves ]] || return 1 |
29b10e65 HH |
362 | for _x in /sys/dev/block/$2/slaves/*/dev; do |
363 | [[ -f $_x ]] || continue | |
364 | check_block_and_slaves $1 $(cat "$_x") && return 0 | |
17829e94 VL |
365 | done |
366 | return 1 | |
367 | } | |
368 | ||
533d7dc4 HH |
369 | # ugly workaround for the lvm design |
370 | # There is no volume group device, | |
371 | # so, there are no slave devices for volume groups. | |
372 | # Logical volumes only have the slave devices they really live on, | |
373 | # but you cannot create the logical volume without the volume group. | |
95bde758 | 374 | # And the volume group might be bigger than the devices the LV needs. |
533d7dc4 | 375 | check_vol_slaves() { |
29b10e65 | 376 | local _lv _vg _pv |
0b706743 | 377 | for i in /dev/mapper/*; do |
c4e48eae | 378 | _lv=$(get_maj_min $i) |
29b10e65 HH |
379 | if [[ $_lv = $2 ]]; then |
380 | _vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null) | |
cc02093d | 381 | # strip space |
29b10e65 HH |
382 | _vg=$(echo $_vg) |
383 | if [[ $_vg ]]; then | |
384 | for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2>/dev/null) | |
0b706743 | 385 | do |
c4e48eae | 386 | check_block_and_slaves $1 $(get_maj_min $_pv) && return 0 |
cc02093d HH |
387 | done |
388 | fi | |
389 | fi | |
533d7dc4 HH |
390 | done |
391 | return 1 | |
392 | } | |
393 | ||
89d44e72 HH |
394 | if [[ -x /usr/bin/dracut-install ]]; then |
395 | [[ $DRACUT_RESOLVE_LAZY ]] || export DRACUT_RESOLVE_DEPS=1 | |
396 | inst_dir() { | |
397 | [[ -e ${initdir}/"$1" ]] && return 0 # already there | |
398 | dracut-install ${initdir+-D "$initdir"} -d "$@" | |
399 | (($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} -d "$@" || : | |
400 | } | |
19612483 | 401 | |
89d44e72 HH |
402 | inst() { |
403 | [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there | |
404 | #dinfo "dracut-install -l $@" | |
405 | dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" | |
406 | (($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || : | |
407 | } | |
408 | ||
409 | inst_simple() { | |
410 | [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there | |
411 | [[ -e $1 ]] || return 1 # no source | |
412 | dracut-install ${initdir+-D "$initdir"} "$@" | |
413 | (($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} "$@" || : | |
414 | } | |
415 | ||
416 | inst_symlink() { | |
417 | [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there | |
418 | [[ -L $1 ]] || return 1 | |
419 | dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" | |
420 | (($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || : | |
421 | } | |
422 | ||
423 | dracut_install() { | |
424 | #dinfo "initdir=$initdir dracut-install -l $@" | |
425 | dracut-install ${initdir+-D "$initdir"} -a ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" | |
426 | (($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} -a ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || : | |
427 | } | |
428 | ||
429 | inst_library() { | |
430 | [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there | |
431 | [[ -e $1 ]] || return 1 # no source | |
432 | dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" | |
433 | (($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || : | |
434 | } | |
435 | ||
436 | inst_binary() { | |
437 | dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" | |
438 | (($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || : | |
439 | } | |
440 | ||
441 | inst_script() { | |
442 | dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" | |
443 | (($? != 0)) && derror dracut-install ${initdir+-D "$initdir"} ${DRACUT_RESOLVE_DEPS+-l} ${DRACUT_FIPS_MODE+-H} "$@" || : | |
444 | } | |
445 | ||
446 | else | |
447 | ||
448 | # Install a directory, keeping symlinks as on the original system. | |
449 | # Example: if /lib points to /lib64 on the host, "inst_dir /lib/file" | |
450 | # will create ${initdir}/lib64, ${initdir}/lib64/file, | |
451 | # and a symlink ${initdir}/lib -> lib64. | |
452 | inst_dir() { | |
453 | [[ -e ${initdir}/"$1" ]] && return 0 # already there | |
454 | ||
455 | local _dir="$1" _part="${1%/*}" _file | |
456 | while [[ "$_part" != "${_part%/*}" ]] && ! [[ -e "${initdir}/${_part}" ]]; do | |
457 | _dir="$_part $_dir" | |
458 | _part=${_part%/*} | |
459 | done | |
460 | ||
461 | # iterate over parent directories | |
462 | for _file in $_dir; do | |
463 | [[ -e "${initdir}/$_file" ]] && continue | |
464 | if [[ -L $_file ]]; then | |
465 | inst_symlink "$_file" | |
466 | else | |
19612483 | 467 | # create directory |
89d44e72 HH |
468 | mkdir -m 0755 -p "${initdir}/$_file" || return 1 |
469 | [[ -e "$_file" ]] && chmod --reference="$_file" "${initdir}/$_file" | |
470 | chmod u+w "${initdir}/$_file" | |
471 | fi | |
472 | done | |
473 | } | |
474 | ||
475 | # $1 = file to copy to ramdisk | |
476 | # $2 (optional) Name for the file on the ramdisk | |
477 | # Location of the image dir is assumed to be $initdir | |
478 | # We never overwrite the target if it exists. | |
479 | inst_simple() { | |
480 | [[ -f "$1" ]] || return 1 | |
481 | strstr "$1" "/" || return 1 | |
482 | local _src=$1 _target="${2:-$1}" | |
483 | ||
484 | [[ -L $_src ]] && { inst_symlink $_src $_target; return $?; } | |
485 | ||
486 | if ! [[ -d ${initdir}/$_target ]]; then | |
487 | [[ -e ${initdir}/$_target ]] && return 0 | |
488 | [[ -L ${initdir}/$_target ]] && return 0 | |
489 | [[ -d "${initdir}/${_target%/*}" ]] || inst_dir "${_target%/*}" | |
19612483 | 490 | fi |
89d44e72 HH |
491 | if [[ $DRACUT_FIPS_MODE ]]; then |
492 | # install checksum files also | |
493 | if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then | |
494 | inst "${_src%/*}/.${_src##*/}.hmac" "${_target%/*}/.${_target##*/}.hmac" | |
495 | fi | |
496 | fi | |
497 | ddebug "Installing $_src" | |
498 | cp --reflink=auto --sparse=auto -pfL "$_src" "${initdir}/$_target" | |
499 | } | |
19612483 | 500 | |
89d44e72 HH |
501 | # same as above, but specialized for symlinks |
502 | inst_symlink() { | |
503 | local _src=$1 _target=${2:-$1} _realsrc | |
504 | strstr "$1" "/" || return 1 | |
505 | [[ -L $1 ]] || return 1 | |
506 | [[ -L $initdir/$_target ]] && return 0 | |
507 | _realsrc=$(readlink -f "$_src") | |
508 | if ! [[ -e $initdir/$_realsrc ]]; then | |
509 | if [[ -d $_realsrc ]]; then | |
510 | inst_dir "$_realsrc" | |
511 | else | |
512 | inst "$_realsrc" | |
513 | fi | |
514 | fi | |
515 | [[ ! -e $initdir/${_target%/*} ]] && inst_dir "${_target%/*}" | |
3f590c78 | 516 | |
89d44e72 HH |
517 | ln_r "${_realsrc}" "${_target}" |
518 | } | |
22048b44 | 519 | |
89d44e72 HH |
520 | # Same as above, but specialized to handle dynamic libraries. |
521 | # It handles making symlinks according to how the original library | |
522 | # is referenced. | |
523 | inst_library() { | |
524 | local _src="$1" _dest=${2:-$1} _lib _reallib _symlink | |
525 | strstr "$1" "/" || return 1 | |
526 | [[ -e $initdir/$_dest ]] && return 0 | |
527 | if [[ -L $_src ]]; then | |
528 | if [[ $DRACUT_FIPS_MODE ]]; then | |
529 | # install checksum files also | |
530 | if [[ -e "${_src%/*}/.${_src##*/}.hmac" ]]; then | |
531 | inst "${_src%/*}/.${_src##*/}.hmac" "${_dest%/*}/.${_dest##*/}.hmac" | |
532 | fi | |
533 | fi | |
534 | _reallib=$(readlink -f "$_src") | |
535 | inst_simple "$_reallib" "$_reallib" | |
536 | inst_dir "${_dest%/*}" | |
537 | ln_r "${_reallib}" "${_dest}" | |
538 | else | |
539 | inst_simple "$_src" "$_dest" | |
540 | fi | |
22048b44 | 541 | |
89d44e72 HH |
542 | # Create additional symlinks. See rev_symlinks description. |
543 | for _symlink in $(rev_lib_symlinks $_src) $(rev_lib_symlinks $_reallib); do | |
544 | [[ ! -e $initdir/$_symlink ]] && { | |
545 | ddebug "Creating extra symlink: $_symlink" | |
546 | inst_symlink $_symlink | |
547 | } | |
548 | done | |
549 | } | |
550 | ||
551 | # Same as above, but specialized to install binary executables. | |
552 | # Install binary executable, and all shared library dependencies, if any. | |
553 | inst_binary() { | |
554 | local _bin _target | |
555 | _bin=$(find_binary "$1") || return 1 | |
556 | _target=${2:-$_bin} | |
557 | [[ -e $initdir/$_target ]] && return 0 | |
558 | local _file _line | |
559 | local _so_regex='([^ ]*/lib[^/]*/[^ ]*\.so[^ ]*)' | |
560 | # I love bash! | |
561 | LC_ALL=C ldd "$_bin" 2>/dev/null | while read _line; do | |
562 | [[ $_line = 'not a dynamic executable' ]] && break | |
563 | ||
564 | if [[ $_line =~ $_so_regex ]]; then | |
565 | _file=${BASH_REMATCH[1]} | |
566 | [[ -e ${initdir}/$_file ]] && continue | |
567 | inst_library "$_file" | |
568 | continue | |
569 | fi | |
570 | ||
571 | if [[ $_line =~ not\ found ]]; then | |
572 | dfatal "Missing a shared library required by $_bin." | |
573 | dfatal "Run \"ldd $_bin\" to find out what it is." | |
574 | dfatal "$_line" | |
575 | dfatal "dracut cannot create an initrd." | |
576 | exit 1 | |
577 | fi | |
578 | done | |
579 | inst_simple "$_bin" "$_target" | |
580 | } | |
581 | ||
582 | # same as above, except for shell scripts. | |
583 | # If your shell script does not start with shebang, it is not a shell script. | |
584 | inst_script() { | |
585 | local _bin | |
586 | _bin=$(find_binary "$1") || return 1 | |
587 | shift | |
588 | local _line _shebang_regex | |
589 | read -r -n 80 _line <"$_bin" | |
590 | # If debug is set, clean unprintable chars to prevent messing up the term | |
591 | [[ $debug ]] && _line=$(echo -n "$_line" | tr -c -d '[:print:][:space:]') | |
592 | _shebang_regex='(#! *)(/[^ ]+).*' | |
593 | [[ $_line =~ $_shebang_regex ]] || return 1 | |
594 | inst "${BASH_REMATCH[2]}" && inst_simple "$_bin" "$@" | |
595 | } | |
596 | ||
597 | # general purpose installation function | |
598 | # Same args as above. | |
599 | inst() { | |
600 | local _x | |
601 | ||
602 | case $# in | |
603 | 1) ;; | |
604 | 2) [[ ! $initdir && -d $2 ]] && export initdir=$2 | |
605 | [[ $initdir = $2 ]] && set $1;; | |
606 | 3) [[ -z $initdir ]] && export initdir=$2 | |
607 | set $1 $3;; | |
608 | *) dfatal "inst only takes 1 or 2 or 3 arguments" | |
609 | exit 1;; | |
610 | esac | |
611 | for _x in inst_symlink inst_script inst_binary inst_simple; do | |
612 | $_x "$@" && return 0 | |
613 | done | |
614 | return 1 | |
615 | } | |
616 | ||
617 | # dracut_install [-o ] <file> [<file> ... ] | |
618 | # Install <file> to the initramfs image | |
619 | # -o optionally install the <file> and don't fail, if it is not there | |
620 | dracut_install() { | |
621 | local _optional=no | |
622 | if [[ $1 = '-o' ]]; then | |
623 | _optional=yes | |
624 | shift | |
625 | fi | |
626 | while (($# > 0)); do | |
627 | if ! inst "$1" ; then | |
628 | if [[ $_optional = yes ]]; then | |
629 | dinfo "Skipping program $1 as it cannot be found and is" \ | |
630 | "flagged to be optional" | |
631 | else | |
632 | dfatal "Failed to install $1" | |
633 | exit 1 | |
634 | fi | |
635 | fi | |
636 | shift | |
637 | done | |
638 | } | |
639 | ||
640 | fi | |
36b24d7c | 641 | |
a10a1416 AŻ |
642 | # find symlinks linked to given library file |
643 | # $1 = library file | |
644 | # Function searches for symlinks by stripping version numbers appended to | |
645 | # library filename, checks if it points to the same target and finally | |
646 | # prints the list of symlinks to stdout. | |
647 | # | |
648 | # Example: | |
649 | # rev_lib_symlinks libfoo.so.8.1 | |
650 | # output: libfoo.so.8 libfoo.so | |
651 | # (Only if libfoo.so.8 and libfoo.so exists on host system.) | |
652 | rev_lib_symlinks() { | |
653 | [[ ! $1 ]] && return 0 | |
654 | ||
655 | local fn="$1" orig="$(readlink -f "$1")" links='' | |
656 | ||
657 | [[ ${fn} =~ .*\.so\..* ]] || return 1 | |
658 | ||
659 | until [[ ${fn##*.} == so ]]; do | |
660 | fn="${fn%.*}" | |
661 | [[ -L ${fn} && $(readlink -f "${fn}") == ${orig} ]] && links+=" ${fn}" | |
662 | done | |
663 | ||
0b706743 | 664 | echo "${links}" |
a10a1416 AŻ |
665 | } |
666 | ||
3198f171 VL |
667 | # find a binary. If we were not passed the full path directly, |
668 | # search in the usual places to find the binary. | |
6b25d71a | 669 | find_binary() { |
81c6e7fb | 670 | if [[ -z ${1##/*} ]]; then |
86bf239e | 671 | if [[ -x $1 ]] || { strstr "$1" ".so" && ldd $1 &>/dev/null; }; then |
81c6e7fb HH |
672 | echo $1 |
673 | return 0 | |
674 | fi | |
675 | fi | |
1610a566 | 676 | |
e29d0b8b | 677 | type -P $1 |
3359c8da | 678 | } |
36b24d7c | 679 | |
62073c30 CG |
680 | # attempt to install any programs specified in a udev rule |
681 | inst_rule_programs() { | |
682 | local _prog _bin | |
683 | ||
684 | if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then | |
685 | for _prog in $(grep -E 'PROGRAM==?"[^ "]+' "$1" | sed -r 's/.*PROGRAM==?"([^ "]+).*/\1/'); do | |
604d1eb2 HH |
686 | if [ -x ${udevdir}/$_prog ]; then |
687 | _bin=${udevdir}/$_prog | |
688 | else | |
689 | _bin=$(find_binary "$_prog") || { | |
690 | dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found" | |
691 | continue; | |
692 | } | |
693 | fi | |
694 | ||
695 | #dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)" | |
696 | dracut_install "$_bin" | |
697 | done | |
698 | fi | |
699 | if grep -qE 'RUN==?"[^ "]+' "$1"; then | |
700 | for _prog in $(grep -E 'RUN==?"[^ "]+' "$1" | sed -r 's/.*RUN==?"([^ "]+).*/\1/'); do | |
701 | if [ -x ${udevdir}/$_prog ]; then | |
702 | _bin=${udevdir}/$_prog | |
703 | else | |
704 | _bin=$(find_binary "$_prog") || { | |
705 | dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found" | |
706 | continue; | |
707 | } | |
708 | fi | |
709 | ||
710 | #dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)" | |
711 | dracut_install "$_bin" | |
712 | done | |
713 | fi | |
714 | if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then | |
715 | for _prog in $(grep -E 'IMPORT==?"[^ "]+' "$1" | sed -r 's/.*IMPORT==?"([^ "]+).*/\1/'); do | |
716 | if [ -x ${udevdir}/$_prog ]; then | |
717 | _bin=${udevdir}/$_prog | |
62073c30 CG |
718 | else |
719 | _bin=$(find_binary "$_prog") || { | |
720 | dinfo "Skipping program $_prog using in udev rule $(basename $1) as it cannot be found" | |
721 | continue; | |
722 | } | |
723 | fi | |
724 | ||
725 | #dinfo "Installing $_bin due to it's use in the udev rule $(basename $1)" | |
726 | dracut_install "$_bin" | |
727 | done | |
728 | fi | |
729 | } | |
730 | ||
f04dc5f3 VL |
731 | # udev rules always get installed in the same place, so |
732 | # create a function to install them to make life simpler. | |
0b706743 | 733 | inst_rules() { |
29b10e65 | 734 | local _target=/etc/udev/rules.d _rule _found |
fd2312e0 | 735 | |
604d1eb2 | 736 | inst_dir "${udevdir}/rules.d" |
29b10e65 HH |
737 | inst_dir "$_target" |
738 | for _rule in "$@"; do | |
08769b7f | 739 | if [ "${rule#/}" = "$rule" ]; then |
604d1eb2 | 740 | for r in ${udevdir}/rules.d /etc/udev/rules.d; do |
76f5fa54 HH |
741 | if [[ -f $r/$_rule ]]; then |
742 | _found="$r/$_rule" | |
62073c30 | 743 | inst_rule_programs "$_found" |
604d1eb2 | 744 | inst_simple "$_found" |
76f5fa54 HH |
745 | fi |
746 | done | |
747 | fi | |
c97e1a76 | 748 | for r in '' ./ $dracutbasedir/rules.d/; do |
29b10e65 HH |
749 | if [[ -f ${r}$_rule ]]; then |
750 | _found="${r}$_rule" | |
62073c30 | 751 | inst_rule_programs "$_found" |
604d1eb2 | 752 | inst_simple "$_found" "$_target/${_found##*/}" |
c97e1a76 HH |
753 | fi |
754 | done | |
29b10e65 | 755 | [[ $_found ]] || dinfo "Skipping udev rule: $_rule" |
f04dc5f3 VL |
756 | done |
757 | } | |
758 | ||
53f95456 VL |
759 | # install function specialized for hooks |
760 | # $1 = type of hook, $2 = hook priority (lower runs first), $3 = hook | |
761 | # All hooks should be POSIX/SuS compliant, they will be sourced by init. | |
762 | inst_hook() { | |
cdad82fd | 763 | if ! [[ -f $3 ]]; then |
e27770e1 AŻ |
764 | dfatal "Cannot install a hook ($3) that does not exist." |
765 | dfatal "Aborting initrd creation." | |
cc02093d | 766 | exit 1 |
cdad82fd | 767 | elif ! strstr "$hookdirs" "$1"; then |
3b403b32 | 768 | dfatal "No such hook type $1. Aborting initrd creation." |
cc02093d | 769 | exit 1 |
cdad82fd | 770 | fi |
0b53ca70 | 771 | inst_simple "$3" "/lib/dracut/hooks/${1}/${2}${3##*/}" |
53f95456 VL |
772 | } |
773 | ||
3378a54f AŻ |
774 | # install any of listed files |
775 | # | |
776 | # If first argument is '-d' and second some destination path, first accessible | |
777 | # source is installed into this path, otherwise it will installed in the same | |
778 | # path as source. If none of listed files was installed, function return 1. | |
779 | # On first successful installation it returns with 0 status. | |
780 | # | |
781 | # Example: | |
782 | # | |
783 | # inst_any -d /bin/foo /bin/bar /bin/baz | |
784 | # | |
785 | # Lets assume that /bin/baz exists, so it will be installed as /bin/foo in | |
786 | # initramfs. | |
787 | inst_any() { | |
788 | local to f | |
789 | ||
790 | [[ $1 = '-d' ]] && to="$2" && shift 2 | |
791 | ||
792 | for f in "$@"; do | |
793 | if [[ -e $f ]]; then | |
794 | [[ $to ]] && inst "$f" "$to" && return 0 | |
795 | inst "$f" && return 0 | |
796 | fi | |
797 | done | |
798 | ||
799 | return 1 | |
800 | } | |
801 | ||
c9143a63 JAH |
802 | |
803 | # inst_libdir_file [-n <pattern>] <file> [<file>...] | |
804 | # Install a <file> located on a lib directory to the initramfs image | |
cacaa90c | 805 | # -n <pattern> install matching files |
c9143a63 | 806 | inst_libdir_file() { |
0c6565c8 | 807 | local _files |
c9143a63 | 808 | if [[ "$1" == "-n" ]]; then |
cacaa90c | 809 | local _pattern=$2 |
c9143a63 JAH |
810 | shift 2 |
811 | for _dir in $libdirs; do | |
7828692f | 812 | for _i in "$@"; do |
c9143a63 | 813 | for _f in "$_dir"/$_i; do |
7828692f | 814 | [[ "$_f" =~ $_pattern ]] || continue |
0c6565c8 | 815 | [[ -e "$_f" ]] && _files+="$_f " |
c9143a63 JAH |
816 | done |
817 | done | |
818 | done | |
819 | else | |
820 | for _dir in $libdirs; do | |
7828692f | 821 | for _i in "$@"; do |
c9143a63 | 822 | for _f in "$_dir"/$_i; do |
0c6565c8 | 823 | [[ -e "$_f" ]] && _files+="$_f " |
c9143a63 JAH |
824 | done |
825 | done | |
826 | done | |
827 | fi | |
0c6565c8 | 828 | [[ $_files ]] && dracut_install $_files |
c9143a63 JAH |
829 | } |
830 | ||
831 | ||
87122afc AŻ |
832 | # install function decompressing the target and handling symlinks |
833 | # $@ = list of compressed (gz or bz2) files or symlinks pointing to such files | |
834 | # | |
835 | # Function install targets in the same paths inside overlay but decompressed | |
836 | # and without extensions (.gz, .bz2). | |
837 | inst_decompress() { | |
b19c5d51 | 838 | local _src _cmd |
87122afc | 839 | |
29b10e65 | 840 | for _src in $@ |
87122afc | 841 | do |
29b10e65 HH |
842 | case ${_src} in |
843 | *.gz) _cmd='gzip -d' ;; | |
844 | *.bz2) _cmd='bzip2 -d' ;; | |
87122afc AŻ |
845 | *) return 1 ;; |
846 | esac | |
b19c5d51 | 847 | inst_simple ${_src} |
87122afc AŻ |
848 | # Decompress with chosen tool. We assume that tool changes name e.g. |
849 | # from 'name.gz' to 'name'. | |
29b10e65 | 850 | ${_cmd} "${initdir}${_src}" |
87122afc AŻ |
851 | done |
852 | } | |
853 | ||
854 | # It's similar to above, but if file is not compressed, performs standard | |
855 | # install. | |
856 | # $@ = list of files | |
857 | inst_opt_decompress() { | |
29b10e65 | 858 | local _src |
87122afc | 859 | |
29b10e65 | 860 | for _src in $@ |
87122afc | 861 | do |
29b10e65 | 862 | inst_decompress "${_src}" || inst "${_src}" |
87122afc AŻ |
863 | done |
864 | } | |
865 | ||
7e2bca48 HH |
866 | # module_check <dracut module> |
867 | # execute the check() function of module-setup.sh of <dracut module> | |
868 | # or the "check" script, if module-setup.sh is not found | |
869 | # "check $hostonly" is called | |
95d2dabc | 870 | module_check() { |
29b10e65 HH |
871 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) |
872 | local _ret | |
31f1c02d AW |
873 | local _forced=0 |
874 | local _hostonly=$hostonly | |
875 | [ $# -eq 2 ] && _forced=$2 | |
29b10e65 HH |
876 | [[ -d $_moddir ]] || return 1 |
877 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
95d2dabc | 878 | # if we do not have a check script, we are unconditionally included |
29b10e65 | 879 | [[ -x $_moddir/check ]] || return 0 |
31f1c02d | 880 | [ $_forced -ne 0 ] && unset hostonly |
29b10e65 | 881 | $_moddir/check $hostonly |
31f1c02d | 882 | _ret=$? |
95d2dabc HH |
883 | else |
884 | unset check depends install installkernel | |
29b10e65 | 885 | . $_moddir/module-setup.sh |
95d2dabc | 886 | is_func check || return 0 |
31f1c02d AW |
887 | [ $_forced -ne 0 ] && unset hostonly |
888 | check $hostonly | |
29b10e65 | 889 | _ret=$? |
95d2dabc | 890 | unset check depends install installkernel |
0c2e3d12 | 891 | fi |
31f1c02d AW |
892 | hostonly=$_hostonly |
893 | return $_ret | |
0c2e3d12 VL |
894 | } |
895 | ||
7e2bca48 HH |
896 | # module_check_mount <dracut module> |
897 | # execute the check() function of module-setup.sh of <dracut module> | |
898 | # or the "check" script, if module-setup.sh is not found | |
899 | # "mount_needs=1 check 0" is called | |
900 | module_check_mount() { | |
901 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) | |
902 | local _ret | |
903 | mount_needs=1 | |
904 | [[ -d $_moddir ]] || return 1 | |
905 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
906 | # if we do not have a check script, we are unconditionally included | |
907 | [[ -x $_moddir/check ]] || return 0 | |
908 | mount_needs=1 $_moddir/check 0 | |
909 | _ret=$? | |
910 | else | |
911 | unset check depends install installkernel | |
912 | . $_moddir/module-setup.sh | |
913 | is_func check || return 1 | |
914 | check 0 | |
915 | _ret=$? | |
916 | unset check depends install installkernel | |
917 | fi | |
918 | unset mount_needs | |
919 | return $_ret | |
920 | } | |
921 | ||
922 | # module_depends <dracut module> | |
923 | # execute the depends() function of module-setup.sh of <dracut module> | |
924 | # or the "depends" script, if module-setup.sh is not found | |
95d2dabc | 925 | module_depends() { |
29b10e65 HH |
926 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) |
927 | local _ret | |
928 | [[ -d $_moddir ]] || return 1 | |
929 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
95d2dabc | 930 | # if we do not have a check script, we have no deps |
29b10e65 HH |
931 | [[ -x $_moddir/check ]] || return 0 |
932 | $_moddir/check -d | |
95d2dabc HH |
933 | return $? |
934 | else | |
935 | unset check depends install installkernel | |
29b10e65 | 936 | . $_moddir/module-setup.sh |
95d2dabc HH |
937 | is_func depends || return 0 |
938 | depends | |
29b10e65 | 939 | _ret=$? |
95d2dabc | 940 | unset check depends install installkernel |
29b10e65 | 941 | return $_ret |
33ee031c | 942 | fi |
0c2e3d12 VL |
943 | } |
944 | ||
7e2bca48 HH |
945 | # module_install <dracut module> |
946 | # execute the install() function of module-setup.sh of <dracut module> | |
947 | # or the "install" script, if module-setup.sh is not found | |
95d2dabc | 948 | module_install() { |
29b10e65 HH |
949 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) |
950 | local _ret | |
951 | [[ -d $_moddir ]] || return 1 | |
952 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
953 | [[ -x $_moddir/install ]] && . "$_moddir/install" | |
95d2dabc HH |
954 | return $? |
955 | else | |
956 | unset check depends install installkernel | |
29b10e65 | 957 | . $_moddir/module-setup.sh |
95d2dabc HH |
958 | is_func install || return 0 |
959 | install | |
29b10e65 | 960 | _ret=$? |
95d2dabc | 961 | unset check depends install installkernel |
29b10e65 | 962 | return $_ret |
95d2dabc HH |
963 | fi |
964 | } | |
965 | ||
7e2bca48 HH |
966 | # module_installkernel <dracut module> |
967 | # execute the installkernel() function of module-setup.sh of <dracut module> | |
968 | # or the "installkernel" script, if module-setup.sh is not found | |
95d2dabc | 969 | module_installkernel() { |
29b10e65 HH |
970 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) |
971 | local _ret | |
972 | [[ -d $_moddir ]] || return 1 | |
973 | if [[ ! -f $_moddir/module-setup.sh ]]; then | |
974 | [[ -x $_moddir/installkernel ]] && . "$_moddir/installkernel" | |
95d2dabc HH |
975 | return $? |
976 | else | |
977 | unset check depends install installkernel | |
29b10e65 | 978 | . $_moddir/module-setup.sh |
95d2dabc HH |
979 | is_func installkernel || return 0 |
980 | installkernel | |
29b10e65 | 981 | _ret=$? |
95d2dabc | 982 | unset check depends install installkernel |
29b10e65 | 983 | return $_ret |
95d2dabc HH |
984 | fi |
985 | } | |
986 | ||
7e2bca48 HH |
987 | # check_mount <dracut module> |
988 | # check_mount checks, if a dracut module is needed for the given | |
989 | # device and filesystem types in "${host_fs_types[@]}" | |
1b7fd0fa AW |
990 | check_mount() { |
991 | local _mod=$1 | |
992 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) | |
993 | local _ret | |
994 | local _moddep | |
995 | # If we are already scheduled to be loaded, no need to check again. | |
996 | strstr " $mods_to_load " " $_mod " && return 0 | |
997 | strstr " $mods_checked_as_dep " " $_mod " && return 1 | |
998 | ||
999 | # This should never happen, but... | |
1000 | [[ -d $_moddir ]] || return 1 | |
1001 | ||
1002 | [[ $2 ]] || mods_checked_as_dep+=" $_mod " | |
1003 | ||
1004 | strstr " $omit_dracutmodules " " $_mod " && return 1 | |
1005 | ||
1006 | if [ "${#host_fs_types[*]}" -gt 0 ]; then | |
1007 | module_check_mount $_mod || return 1 | |
1008 | else | |
1009 | # skip this module | |
1010 | return 1 | |
1011 | fi | |
1012 | ||
1013 | for _moddep in $(module_depends $_mod); do | |
1014 | # handle deps as if they were manually added | |
1015 | strstr " $add_dracutmodules " " $_moddep " || \ | |
1016 | add_dracutmodules+=" $_moddep " | |
1017 | strstr " $force_add_dracutmodules " " $_moddep " || \ | |
1018 | force_add_dracutmodules+=" $_moddep " | |
1019 | # if a module we depend on fail, fail also | |
1020 | check_module $_moddep || return 1 | |
1021 | done | |
1022 | ||
1023 | strstr " $mods_to_load " " $_mod " || \ | |
1024 | mods_to_load+=" $_mod " | |
1025 | ||
1026 | return 0 | |
1027 | } | |
1028 | ||
7e2bca48 HH |
1029 | # check_module <dracut module> [<use_as_dep>] |
1030 | # check if a dracut module is to be used in the initramfs process | |
1031 | # if <use_as_dep> is set, then the process also keeps track | |
1032 | # that the modules were checked for the dependency tracking process | |
95d2dabc | 1033 | check_module() { |
29b10e65 HH |
1034 | local _mod=$1 |
1035 | local _moddir=$(echo ${dracutbasedir}/modules.d/??${1}) | |
1036 | local _ret | |
1037 | local _moddep | |
95d2dabc | 1038 | # If we are already scheduled to be loaded, no need to check again. |
29b10e65 HH |
1039 | strstr " $mods_to_load " " $_mod " && return 0 |
1040 | strstr " $mods_checked_as_dep " " $_mod " && return 1 | |
95d2dabc HH |
1041 | |
1042 | # This should never happen, but... | |
29b10e65 | 1043 | [[ -d $_moddir ]] || return 1 |
95d2dabc | 1044 | |
29b10e65 | 1045 | [[ $2 ]] || mods_checked_as_dep+=" $_mod " |
95d2dabc | 1046 | |
29b10e65 | 1047 | strstr " $omit_dracutmodules " " $_mod " && return 1 |
95d2dabc | 1048 | |
31f1c02d AW |
1049 | if strstr " $dracutmodules $add_dracutmodules $force_add_dracutmodules" " $_mod "; then |
1050 | if strstr " $force_add_dracutmodules" " $_mod"; then | |
1051 | module_check $_mod 1; ret=$? | |
1052 | else | |
1053 | module_check $_mod 0; ret=$? | |
1054 | fi | |
95d2dabc HH |
1055 | # explicit module, so also accept ret=255 |
1056 | [[ $ret = 0 || $ret = 255 ]] || return 1 | |
1057 | else | |
1058 | # module not in our list | |
1059 | if [[ $dracutmodules = all ]]; then | |
1060 | # check, if we can and should install this module | |
29b10e65 | 1061 | module_check $_mod || return 1 |
cc02093d | 1062 | else |
95d2dabc HH |
1063 | # skip this module |
1064 | return 1 | |
970e646b | 1065 | fi |
95d2dabc | 1066 | fi |
bb764545 | 1067 | |
29b10e65 | 1068 | for _moddep in $(module_depends $_mod); do |
95d2dabc | 1069 | # handle deps as if they were manually added |
29b10e65 HH |
1070 | strstr " $add_dracutmodules " " $_moddep " || \ |
1071 | add_dracutmodules+=" $_moddep " | |
31f1c02d AW |
1072 | strstr " $force_add_dracutmodules " " $_moddep " || \ |
1073 | force_add_dracutmodules+=" $_moddep " | |
95d2dabc | 1074 | # if a module we depend on fail, fail also |
29b10e65 | 1075 | check_module $_moddep || return 1 |
0c2e3d12 | 1076 | done |
70503db4 | 1077 | |
29b10e65 HH |
1078 | strstr " $mods_to_load " " $_mod " || \ |
1079 | mods_to_load+=" $_mod " | |
95d2dabc HH |
1080 | |
1081 | return 0 | |
1082 | } | |
1083 | ||
7e2bca48 HH |
1084 | # for_each_module_dir <func> |
1085 | # execute "<func> <dracut module> 1" | |
1b7fd0fa | 1086 | for_each_module_dir() { |
29b10e65 HH |
1087 | local _modcheck |
1088 | local _mod | |
1089 | local _moddir | |
1b7fd0fa AW |
1090 | local _func |
1091 | _func=$1 | |
29b10e65 HH |
1092 | for _moddir in "$dracutbasedir/modules.d"/[0-9][0-9]*; do |
1093 | _mod=${_moddir##*/}; _mod=${_mod#[0-9][0-9]} | |
1b7fd0fa | 1094 | $_func $_mod 1 |
70503db4 | 1095 | done |
724b87a6 HH |
1096 | |
1097 | # Report any missing dracut modules, the user has specified | |
31f1c02d | 1098 | _modcheck="$add_dracutmodules $force_add_dracutmodules" |
29b10e65 HH |
1099 | [[ $dracutmodules != all ]] && _modcheck="$m $dracutmodules" |
1100 | for _mod in $_modcheck; do | |
1101 | strstr "$mods_to_load" "$_mod" && continue | |
1102 | strstr "$omit_dracutmodules" "$_mod" && continue | |
89d44e72 | 1103 | derror "Dracut module \"$_mod\" cannot be found or installed." |
724b87a6 | 1104 | done |
0c2e3d12 VL |
1105 | } |
1106 | ||
ddfd1d10 VL |
1107 | # Install a single kernel module along with any firmware it may require. |
1108 | # $1 = full path to kernel module to install | |
1109 | install_kmod_with_fw() { | |
0b440844 | 1110 | # no need to go further if the module is already installed |
379c34d2 | 1111 | |
0b706743 AŻ |
1112 | [[ -e "${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" ]] \ |
1113 | && return 0 | |
fcbcb252 | 1114 | |
d8aeb3a7 HH |
1115 | if [[ -e "$initdir/.kernelmodseen/${1##*/}" ]]; then |
1116 | read ret < "$initdir/.kernelmodseen/${1##*/}" | |
1117 | return $ret | |
1118 | fi | |
379c34d2 | 1119 | |
fcbcb252 HH |
1120 | if [[ $omit_drivers ]]; then |
1121 | local _kmod=${1##*/} | |
1122 | _kmod=${_kmod%.ko} | |
1123 | _kmod=${_kmod/-/_} | |
34248c92 HH |
1124 | if [[ "$_kmod" =~ $omit_drivers ]]; then |
1125 | dinfo "Omitting driver $_kmod" | |
7abd4264 | 1126 | return 0 |
34248c92 HH |
1127 | fi |
1128 | if [[ "${1##*/lib/modules/$kernel/}" =~ $omit_drivers ]]; then | |
fcbcb252 | 1129 | dinfo "Omitting driver $_kmod" |
7abd4264 | 1130 | return 0 |
fcbcb252 HH |
1131 | fi |
1132 | fi | |
1133 | ||
d8aeb3a7 HH |
1134 | inst_simple "$1" "/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" |
1135 | ret=$? | |
6a2c23d1 | 1136 | [ -d "$initdir/.kernelmodseen" ] && \ |
d8aeb3a7 HH |
1137 | echo $ret > "$initdir/.kernelmodseen/${1##*/}" |
1138 | (($ret != 0)) && return $ret | |
e6024e00 JR |
1139 | |
1140 | local _modname=${1##*/} _fwdir _found _fw | |
1141 | _modname=${_modname%.ko*} | |
29b10e65 HH |
1142 | for _fw in $(modinfo -k $kernel -F firmware $1 2>/dev/null); do |
1143 | _found='' | |
1144 | for _fwdir in $fw_dir; do | |
1145 | if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then | |
1146 | inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw" | |
1147 | _found=yes | |
cc02093d HH |
1148 | fi |
1149 | done | |
29b10e65 | 1150 | if [[ $_found != yes ]]; then |
fe1484f3 | 1151 | if ! [[ -d $(echo /sys/module/${_modname//-/_}|{ read a b; echo $a; }) ]]; then |
29b10e65 HH |
1152 | dinfo "Possible missing firmware \"${_fw}\" for kernel module" \ |
1153 | "\"${_modname}.ko\"" | |
e2cdb570 | 1154 | else |
29b10e65 HH |
1155 | dwarn "Possible missing firmware \"${_fw}\" for kernel module" \ |
1156 | "\"${_modname}.ko\"" | |
e2cdb570 | 1157 | fi |
cc02093d | 1158 | fi |
ddfd1d10 | 1159 | done |
0b440844 | 1160 | return 0 |
ddfd1d10 VL |
1161 | } |
1162 | ||
1163 | # Do something with all the dependencies of a kernel module. | |
1164 | # Note that kernel modules depend on themselves using the technique we use | |
0b706743 AŻ |
1165 | # $1 = function to call for each dependency we find |
1166 | # It will be passed the full path to the found kernel module | |
ddfd1d10 VL |
1167 | # $2 = module to get dependencies for |
1168 | # rest of args = arguments to modprobe | |
c32bda6b | 1169 | # _fderr specifies FD passed from surrounding scope |
ddfd1d10 | 1170 | for_each_kmod_dep() { |
7abd4264 | 1171 | local _func=$1 _kmod=$2 _cmd _modpath _options |
ddfd1d10 | 1172 | shift 2 |
c32bda6b | 1173 | modprobe "$@" --ignore-install --show-depends $_kmod 2>&${_fderr} | ( |
29b10e65 HH |
1174 | while read _cmd _modpath _options; do |
1175 | [[ $_cmd = insmod ]] || continue | |
1176 | $_func ${_modpath} || exit $? | |
0b706743 | 1177 | done |
0b706743 | 1178 | ) |
ddfd1d10 VL |
1179 | } |
1180 | ||
70c6b773 | 1181 | dracut_kernel_post() { |
d8aeb3a7 HH |
1182 | local _moddirname=${srcmods%%/lib/modules/*} |
1183 | ||
89d44e72 HH |
1184 | if [[ -f "$initdir/.kernelmodseen/lazylist" ]]; then |
1185 | xargs modprobe -a ${_moddirname+-d ${_moddirname}/} --ignore-install --show-depends \ | |
1186 | < "$initdir/.kernelmodseen/lazylist" 2>/dev/null \ | |
1187 | | sort -u \ | |
1188 | | while read _cmd _modpath _options; do | |
1189 | [[ $_cmd = insmod ]] || continue | |
1190 | echo "$_modpath" | |
1191 | done > "$initdir/.kernelmodseen/lazylist.dep" | |
d8aeb3a7 | 1192 | |
89d44e72 HH |
1193 | ( |
1194 | if [[ -x /usr/bin/dracut-install ]] && [[ -z $_moddirname ]]; then | |
1195 | xargs dracut-install ${initdir+-D "$initdir"} -a < "$initdir/.kernelmodseen/lazylist.dep" | |
1196 | else | |
1197 | while read _modpath; do | |
1198 | local _destpath=$_modpath | |
1199 | [[ $_moddirname ]] && _destpath=${_destpath##$_moddirname/} | |
1200 | _destpath=${_destpath##*/lib/modules/$kernel/} | |
1201 | inst_simple "$_modpath" "/lib/modules/$kernel/${_destpath}" || exit $? | |
1202 | done < "$initdir/.kernelmodseen/lazylist.dep" | |
1203 | fi | |
1204 | ) & | |
d8aeb3a7 | 1205 | |
d8aeb3a7 | 1206 | |
89d44e72 HH |
1207 | if [[ -x /usr/bin/dracut-install ]]; then |
1208 | xargs modinfo -k $kernel -F firmware < "$initdir/.kernelmodseen/lazylist.dep" \ | |
1209 | | while read line; do | |
1210 | for _fwdir in $fw_dir; do | |
1211 | echo $_fwdir/$line; | |
1212 | done; | |
1213 | done |xargs dracut-install ${initdir+-D "$initdir"} -a -o | |
1214 | else | |
1215 | for _fw in $(xargs modinfo -k $kernel -F firmware < "$initdir/.kernelmodseen/lazylist.dep"); do | |
1216 | for _fwdir in $fw_dir; do | |
1217 | if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then | |
1218 | inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw" | |
1219 | break | |
1220 | fi | |
1221 | done | |
1222 | done | |
1223 | fi | |
d8aeb3a7 | 1224 | |
89d44e72 HH |
1225 | wait |
1226 | fi | |
70c6b773 HH |
1227 | |
1228 | for _f in modules.builtin.bin modules.builtin; do | |
1229 | [[ $srcmods/$_f ]] && break | |
1230 | done || { | |
1231 | dfatal "No modules.builtin.bin and modules.builtin found!" | |
1232 | return 1 | |
1233 | } | |
1234 | ||
1235 | for _f in modules.builtin.bin modules.builtin modules.order; do | |
1236 | [[ $srcmods/$_f ]] && inst_simple "$srcmods/$_f" "/lib/modules/$kernel/$_f" | |
1237 | done | |
1238 | ||
1239 | # generate module dependencies for the initrd | |
1240 | if [[ -d $initdir/lib/modules/$kernel ]] && \ | |
1241 | ! depmod -a -b "$initdir" $kernel; then | |
1242 | dfatal "\"depmod -a $kernel\" failed." | |
1243 | exit 1 | |
1244 | fi | |
1245 | ||
1246 | rm -fr "$initdir/.kernelmodseen" | |
d8aeb3a7 | 1247 | } |
fe1484f3 | 1248 | |
881eda69 | 1249 | find_kernel_modules_by_path () ( |
74405477 | 1250 | local _OLDIFS |
881eda69 | 1251 | if ! [[ $hostonly ]]; then |
74405477 HH |
1252 | _OLDIFS=$IFS |
1253 | IFS=: | |
fe1484f3 | 1254 | while read a rest; do |
d8aeb3a7 | 1255 | [[ $a = kernel*/$1/* ]] || continue |
74405477 | 1256 | echo $srcmods/$a |
fe1484f3 | 1257 | done < $srcmods/modules.dep |
74405477 | 1258 | IFS=$_OLDIFS |
881eda69 | 1259 | else |
fe1484f3 | 1260 | ( cd /sys/module; echo *; ) \ |
881eda69 JR |
1261 | | xargs modinfo -F filename -k $kernel 2>/dev/null |
1262 | fi | |
74405477 | 1263 | return 0 |
881eda69 | 1264 | ) |
4073c815 | 1265 | |
881eda69 JR |
1266 | find_kernel_modules () { |
1267 | find_kernel_modules_by_path drivers | |
1268 | } | |
1269 | ||
a6d3be9d AW |
1270 | # instmods [-c] <kernel module> [<kernel module> ... ] |
1271 | # instmods [-c] <kernel subsystem> | |
ddfd1d10 | 1272 | # install kernel modules along with all their dependencies. |
7e2bca48 | 1273 | # <kernel subsystem> can be e.g. "=block" or "=drivers/usb/storage" |
6fa0c3d6 | 1274 | instmods() { |
0c1a8ebc | 1275 | [[ $no_kernel = yes ]] && return |
c32bda6b MS |
1276 | # called [sub]functions inherit _fderr |
1277 | local _fderr=9 | |
a6d3be9d AW |
1278 | local _check=no |
1279 | if [[ $1 = '-c' ]]; then | |
1280 | _check=yes | |
1281 | shift | |
1282 | fi | |
881eda69 JR |
1283 | |
1284 | function inst1mod() { | |
a6d3be9d | 1285 | local _ret=0 _mod="$1" |
29b10e65 | 1286 | case $_mod in |
0b706743 | 1287 | =*) |
d8aeb3a7 HH |
1288 | ( [[ "$_mpargs" ]] && echo $_mpargs |
1289 | find_kernel_modules_by_path "${_mod#=}" ) \ | |
1290 | | instmods | |
1291 | ((_ret+=$?)) | |
cc02093d | 1292 | ;; |
0024702f | 1293 | --*) _mpargs+=" $_mod" ;; |
7abd4264 | 1294 | i2o_scsi) return 0;; # Do not load this diagnostic-only module |
34248c92 | 1295 | *) |
379c34d2 | 1296 | _mod=${_mod##*/} |
6568d86a | 1297 | # if we are already installed, skip this module and go on |
cc02093d | 1298 | # to the next one. |
d8aeb3a7 HH |
1299 | if [[ -f "$initdir/.kernelmodseen/${_mod%.ko}.ko" ]]; then |
1300 | read _ret <"$initdir/.kernelmodseen/${_mod%.ko}.ko" | |
1301 | return $_ret | |
1302 | fi | |
881eda69 | 1303 | |
34248c92 HH |
1304 | if [[ $omit_drivers ]] && [[ "$1" =~ $omit_drivers ]]; then |
1305 | dinfo "Omitting driver ${_mod##$srcmods}" | |
7abd4264 | 1306 | return 0 |
34248c92 | 1307 | fi |
cc02093d HH |
1308 | # If we are building a host-specific initramfs and this |
1309 | # module is not already loaded, move on to the next one. | |
fe1484f3 HH |
1310 | [[ $hostonly ]] \ |
1311 | && ! [[ -d $(echo /sys/module/${_mod//-/_}|{ read a b; echo $a; }) ]] \ | |
1312 | && ! [[ "$add_drivers" =~ " ${_mod} " ]] \ | |
7abd4264 | 1313 | && return 0 |
04b56f3a | 1314 | |
89d44e72 | 1315 | if [[ "$_check" = "yes" ]] || ! [[ $DRACUT_KERNEL_LAZY ]]; then |
d8aeb3a7 HH |
1316 | # We use '-d' option in modprobe only if modules prefix path |
1317 | # differs from default '/'. This allows us to use Dracut with | |
1318 | # old version of modprobe which doesn't have '-d' option. | |
1319 | local _moddirname=${srcmods%%/lib/modules/*} | |
1320 | [[ -n ${_moddirname} ]] && _moddirname="-d ${_moddirname}/" | |
1321 | ||
1322 | # ok, load the module, all its dependencies, and any firmware | |
1323 | # it may require | |
1324 | for_each_kmod_dep install_kmod_with_fw $_mod \ | |
1325 | --set-version $kernel ${_moddirname} $_mpargs | |
1326 | ((_ret+=$?)) | |
1327 | else | |
1328 | echo $_mod >> "$initdir/.kernelmodseen/lazylist" | |
1329 | fi | |
cc02093d | 1330 | ;; |
0b706743 | 1331 | esac |
a6d3be9d | 1332 | return $_ret |
881eda69 JR |
1333 | } |
1334 | ||
f9708da2 | 1335 | function instmods_1() { |
a6d3be9d | 1336 | local _mod _mpargs |
f9708da2 JR |
1337 | if (($# == 0)); then # filenames from stdin |
1338 | while read _mod; do | |
a6d3be9d AW |
1339 | inst1mod "${_mod%.ko*}" || { |
1340 | if [ "$_check" = "yes" ]; then | |
1341 | dfatal "Failed to install $_mod" | |
1342 | return 1 | |
1343 | fi | |
1344 | } | |
f9708da2 JR |
1345 | done |
1346 | fi | |
1347 | while (($# > 0)); do # filenames as arguments | |
a6d3be9d AW |
1348 | inst1mod ${1%.ko*} || { |
1349 | if [ "$_check" = "yes" ]; then | |
1350 | dfatal "Failed to install $1" | |
1351 | return 1 | |
1352 | fi | |
1353 | } | |
f9708da2 | 1354 | shift |
881eda69 | 1355 | done |
a6d3be9d | 1356 | return 0 |
f9708da2 JR |
1357 | } |
1358 | ||
a6d3be9d | 1359 | local _ret _filter_not_found='FATAL: Module .* not found.' |
c32bda6b MS |
1360 | # Capture all stderr from modprobe to _fderr. We could use {var}>... |
1361 | # redirections, but that would make dracut require bash4 at least. | |
1362 | eval "( instmods_1 \"\$@\" ) ${_fderr}>&1" \ | |
86191581 | 1363 | | while read line; do [[ "$line" =~ $_filter_not_found ]] || echo $line;done | derror |
a6d3be9d | 1364 | _ret=$? |
a6d3be9d | 1365 | return $_ret |
0b706743 | 1366 | } |