| #!/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" ]]; 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 $dracutbasedir)" |
| fi |
| |
| if ! is_func dinfo >/dev/null 2>&1; then |
| . "$dracutbasedir/dracut-logger.sh" |
| dlog_init |
| fi |
| |
| 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 |
| |
| srcmods="/lib/modules/$kernel/" |
| |
| [[ $drivers_dir ]] && { |
| if ! command -v kmod &>/dev/null && vercmp "$(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 |
| } |
| |
| . $dracutbasedir/dracut-functions.sh |
| |
| # Detect lib paths |
| if ! [[ $libdirs ]] ; then |
| if [[ "$(ldd /bin/sh)" == */lib64/* ]] &>/dev/null \ |
| && [[ -d /lib64 ]]; then |
| libdirs+=" /lib64" |
| [[ -d /usr/lib64 ]] && libdirs+=" /usr/lib64" |
| else |
| libdirs+=" /lib" |
| [[ -d /usr/lib ]] && libdirs+=" /usr/lib" |
| fi |
| |
| libdirs+=" $(ldconfig_paths)" |
| |
| export libdirs |
| fi |
| |
| # helper function for check() in module-setup.sh |
| # to check for required installed binaries |
| # issues a standardized warning message |
| require_binaries() { |
| local _module_name="${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() { |
| [[ " $mods_to_load $modules_loaded " == *\ $*\ * ]] |
| } |
| |
| 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 |
| |
| if ! [[ -x $DRACUT_INSTALL ]]; 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 ${srcmods:+--kerneldir "$srcmods"} --modalias > "$DRACUT_KERNEL_MODALIASES" |
| fi |
| fi |
| |
| [[ $DRACUT_RESOLVE_LAZY ]] || export DRACUT_RESOLVE_DEPS=1 |
| inst_dir() { |
| [[ -e ${initdir}/"$1" ]] && return 0 # already there |
| $DRACUT_INSTALL ${initdir:+-D "$initdir"} -d "$@" |
| (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} -d "$@" || : |
| } |
| |
| inst() { |
| local _hostonly_install |
| if [[ "$1" == "-H" ]]; then |
| _hostonly_install="-H" |
| shift |
| fi |
| [[ -e ${initdir}/"${2:-$1}" ]] && return 0 # already there |
| $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" |
| (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || : |
| } |
| |
| 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 |
| $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@" |
| (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${_hostonly_install:+-H} "$@" || : |
| } |
| |
| 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 |
| $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" |
| (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || : |
| } |
| |
| inst_multiple() { |
| local _ret |
| $DRACUT_INSTALL ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" |
| _ret=$? |
| (($_ret != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || : |
| return $_ret |
| } |
| |
| dracut_install() { |
| inst_multiple "$@" |
| } |
| |
| dracut_instmods() { |
| local _silent=0; |
| local i; |
| [[ $no_kernel = yes ]] && return |
| for i in "$@"; do |
| [[ $i == "--silent" ]] && _silent=1 |
| done |
| |
| $DRACUT_INSTALL \ |
| ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${hostonly:+-H} ${omit_drivers:+-N "$omit_drivers"} ${srcmods:+--kerneldir "$srcmods"} -m "$@" |
| (($? != 0)) && (($_silent == 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${hostonly:+-H} ${omit_drivers:+-N "$omit_drivers"} ${srcmods:+--kerneldir "$srcmods"} -m "$@" || : |
| } |
| |
| 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 |
| $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" |
| (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || : |
| } |
| |
| inst_binary() { |
| $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" |
| (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" || : |
| } |
| |
| inst_script() { |
| $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" |
| (($? != 0)) && derror FAILED: $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" || : |
| } |
| |
| 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() { |
| [[ ! $1 ]] && return 0 |
| |
| local 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 |
| |
| for _prog in $(sed -nr 's/.*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 |
| |
| [[ $_bin ]] && inst_binary "$_bin" |
| done |
| 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 |
| 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 |
| |
| 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:" /etc/passwd 2>/dev/null >> "$initdir/etc/passwd" |
| fi |
| done |
| 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:" /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 ${udevdir}/rules.d ${hostonly:+/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 '' $dracutbasedir/rules.d/; do |
| # skip rules without an absolute path |
| [[ "${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: $_rule" |
| } |
| |
| prepare_udev_rules() { |
| [ -z "$UDEVVERSION" ] && export UDEVVERSION=$(udevadm --version) |
| |
| for f in "$@"; do |
| f="${initdir}/etc/udev/rules.d/$f" |
| [ -e "$f" ] || continue |
| while read line || [ -n "$line" ]; do |
| if [ "${line%%IMPORT PATH_ID}" != "$line" ]; then |
| if [ $UDEVVERSION -ge 174 ]; then |
| printf '%sIMPORT{builtin}="path_id"\n' "${line%%IMPORT PATH_ID}" |
| else |
| printf '%sIMPORT{program}="path_id %%p"\n' "${line%%IMPORT PATH_ID}" |
| fi |
| elif [ "${line%%IMPORT BLKID}" != "$line" ]; then |
| if [ $UDEVVERSION -ge 176 ]; then |
| printf '%sIMPORT{builtin}="blkid"\n' "${line%%IMPORT BLKID}" |
| else |
| 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 _files |
| if [[ "$1" == "-n" ]]; then |
| local _pattern=$2 |
| shift 2 |
| for _dir in $libdirs; do |
| for _i in "$@"; do |
| for _f in "$_dir"/$_i; do |
| [[ "$_f" =~ $_pattern ]] || continue |
| [[ -e "$_f" ]] && _files+="$_f " |
| done |
| done |
| done |
| else |
| for _dir in $libdirs; do |
| for _i in "$@"; do |
| for _f in "$_dir"/$_i; do |
| [[ -e "$_f" ]] && _files+="$_f " |
| done |
| done |
| done |
| fi |
| [[ $_files ]] && inst_multiple $_files |
| } |
| |
| |
| # 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 |
| case ${_src} in |
| *.gz) _cmd='gzip -f -d' ;; |
| *.bz2) _cmd='bzip2 -d' ;; |
| *) return 1 ;; |
| esac |
| 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> |
| # execute the check() function of module-setup.sh of <dracut module> |
| # or the "check" script, if module-setup.sh is not found |
| # "check $hostonly" is called |
| module_check() { |
| local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) |
| local _ret |
| local _forced=0 |
| local _hostonly=$hostonly |
| [ $# -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 -ne 0 ] && unset hostonly |
| $_moddir/check $hostonly |
| _ret=$? |
| else |
| unset check depends cmdline install installkernel |
| check() { true; } |
| . $_moddir/module-setup.sh |
| is_func check || return 0 |
| [ $_forced -ne 0 ] && unset hostonly |
| moddir=$_moddir check $hostonly |
| _ret=$? |
| unset check depends cmdline install installkernel |
| fi |
| hostonly=$_hostonly |
| return $_ret |
| } |
| |
| # module_check_mount <dracut module> |
| # execute the check() function of module-setup.sh of <dracut module> |
| # or the "check" script, if module-setup.sh is not found |
| # "mount_needs=1 check 0" is called |
| module_check_mount() { |
| local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) |
| local _ret |
| mount_needs=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 $_ret |
| } |
| |
| # module_depends <dracut module> |
| # execute the depends() function of module-setup.sh of <dracut module> |
| # or the "depends" script, if module-setup.sh is not found |
| module_depends() { |
| local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) |
| local _ret |
| [[ -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 $_ret |
| fi |
| } |
| |
| # module_cmdline <dracut module> |
| # execute the cmdline() function of module-setup.sh of <dracut module> |
| # or the "cmdline" script, if module-setup.sh is not found |
| module_cmdline() { |
| local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) |
| local _ret |
| [[ -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 $_ret |
| fi |
| } |
| |
| # module_install <dracut module> |
| # execute the install() function of module-setup.sh of <dracut module> |
| # or the "install" script, if module-setup.sh is not found |
| module_install() { |
| local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) |
| local _ret |
| [[ -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 $_ret |
| fi |
| } |
| |
| # module_installkernel <dracut module> |
| # execute the installkernel() function of module-setup.sh of <dracut module> |
| # or the "installkernel" script, if module-setup.sh is not found |
| module_installkernel() { |
| local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) |
| local _ret |
| [[ -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 $_ret |
| fi |
| } |
| |
| # check_mount <dracut module> |
| # check_mount checks, if a dracut module is needed for the given |
| # device and filesystem types in "${host_fs_types[@]}" |
| check_mount() { |
| local _mod=$1 |
| local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) |
| local _ret |
| local _moddep |
| |
| [ "${#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 " |
| |
| if [[ " $omit_dracutmodules " == *\ $_mod\ * ]]; then |
| return 1 |
| fi |
| |
| if [[ " $dracutmodules $add_dracutmodules $force_add_dracutmodules" == *\ $_mod\ * ]]; then |
| module_check_mount $_mod; ret=$? |
| |
| # 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 || return 1 |
| else |
| # skip this module |
| return 1 |
| fi |
| fi |
| |
| for _moddep in $(module_depends $_mod); 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>] |
| # 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=$1 |
| local _moddir=$(echo ${dracutbasedir}/modules.d/??${1} | { read a b; echo "$a"; }) |
| local _ret |
| local _moddep |
| # 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 " == *\ $_mod\ * ]]; then |
| dinfo "dracut module '$_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 $_mod 1; ret=$? |
| else |
| module_check $_mod 0; ret=$? |
| 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 $_mod; ret=$? |
| 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); 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" |
| 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 $_mod 1 |
| done |
| |
| # Report any missing dracut modules, the user has specified |
| _modcheck="$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 |
| } |
| |
| # Install a single kernel module along with any firmware it may require. |
| # $1 = full path to kernel module to install |
| install_kmod_with_fw() { |
| # no need to go further if the module is already installed |
| |
| [[ -e "${initdir}/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" ]] \ |
| && return 0 |
| |
| if [[ $omit_drivers ]]; then |
| local _kmod=${1##*/} |
| _kmod=${_kmod%.ko*} |
| _kmod=${_kmod/-/_} |
| if [[ "$_kmod" =~ $omit_drivers ]]; then |
| dinfo "Omitting driver $_kmod" |
| return 0 |
| fi |
| if [[ "${1##*/lib/modules/$kernel/}" =~ $omit_drivers ]]; then |
| dinfo "Omitting driver $_kmod" |
| return 0 |
| fi |
| fi |
| |
| if [[ $silent_omit_drivers ]]; then |
| local _kmod=${1##*/} |
| _kmod=${_kmod%.ko*} |
| _kmod=${_kmod/-/_} |
| [[ "$_kmod" =~ $silent_omit_drivers ]] && return 0 |
| [[ "${1##*/lib/modules/$kernel/}" =~ $silent_omit_drivers ]] && return 0 |
| fi |
| |
| inst_simple "$1" "/lib/modules/$kernel/${1##*/lib/modules/$kernel/}" |
| ret=$? |
| (($ret != 0)) && return $ret |
| |
| local _modname=${1##*/} _fwdir _found _fw |
| _modname=${_modname%.ko*} |
| for _fw in $(modinfo -k $kernel -F firmware $1 2>/dev/null); do |
| _found='' |
| for _fwdir in $fw_dir; do |
| [[ -d $_fwdir && -f $_fwdir/$_fw ]] || continue |
| inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw" |
| _found=yes |
| done |
| if [[ $_found != yes ]]; then |
| if ! [[ -d $(echo /sys/module/${_modname//-/_}|{ read a b; echo $a; }) ]]; then |
| dinfo "Possible missing firmware \"${_fw}\" for kernel module" \ |
| "\"${_modname}.ko\"" |
| else |
| dwarn "Possible missing firmware \"${_fw}\" for kernel module" \ |
| "\"${_modname}.ko\"" |
| fi |
| fi |
| done |
| return 0 |
| } |
| |
| # Do something with all the dependencies of a kernel module. |
| # Note that kernel modules depend on themselves using the technique we use |
| # $1 = function to call for each dependency we find |
| # It will be passed the full path to the found kernel module |
| # $2 = module to get dependencies for |
| # rest of args = arguments to modprobe |
| # _fderr specifies FD passed from surrounding scope |
| for_each_kmod_dep() { |
| local _func=$1 _kmod=$2 _cmd _modpath _options |
| shift 2 |
| modprobe "$@" --ignore-install --show-depends $_kmod 2>&${_fderr} | ( |
| while read _cmd _modpath _options || [ -n "$_cmd" ]; do |
| [[ $_cmd = insmod ]] || continue |
| $_func ${_modpath} || exit $? |
| done |
| ) |
| } |
| |
| dracut_kernel_post() { |
| for _f in modules.builtin.bin modules.builtin modules.order; do |
| [[ $srcmods/$_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> |
| # install kernel modules along with all their dependencies. |
| # <kernel subsystem> can be e.g. "=block" or "=drivers/usb/storage" |
| # -c check |
| # -s silent |
| local _optional="-o" |
| local _silent |
| local _ret |
| |
| [[ $no_kernel = yes ]] && return |
| |
| if [[ $1 = '-c' ]]; then |
| unset _optional |
| shift |
| fi |
| if [[ $1 = '-s' ]]; then |
| _silent=1 |
| shift |
| fi |
| |
| if (($# == 0)); then |
| read -r -d '' -a args |
| set -- "${args[@]}" |
| fi |
| |
| $DRACUT_INSTALL \ |
| ${initdir:+-D "$initdir"} \ |
| ${loginstall:+-L "$loginstall"} \ |
| ${hostonly:+-H} \ |
| ${omit_drivers:+-N "$omit_drivers"} \ |
| ${srcmods:+--kerneldir "$srcmods"} \ |
| ${_optional:+-o} \ |
| ${_silent:+--silent} \ |
| -m "$@" |
| _ret=$? |
| |
| if (($_ret != 0)) && [[ -z "$_silent" ]]; then |
| derror "FAILED: " \ |
| $DRACUT_INSTALL \ |
| ${initdir:+-D "$initdir"} \ |
| ${loginstall:+-L "$loginstall"} \ |
| ${hostonly:+-H} \ |
| ${omit_drivers:+-N "$omit_drivers"} \ |
| ${srcmods:+--kerneldir "$srcmods"} \ |
| ${_optional:+-o} \ |
| ${_silent:+--silent} \ |
| -m "$@" |
| fi |
| |
| [[ "$optional" ]] && return 0 |
| return $_ret |
| } |
| |
| if [[ "$(ln --help)" == *--relative* ]]; then |
| ln_r() { |
| ln -sfnr "${initdir}/$1" "${initdir}/$2" |
| } |
| else |
| ln_r() { |
| local _source=$1 |
| local _dest=$2 |
| [[ -d "${_dest%/*}" ]] && _dest=$(readlink -f "${_dest%/*}")/${_dest##*/} |
| ln -sfn -- "$(convert_abs_rel "${_dest}" "${_source}")" "${initdir}/${_dest}" |
| } |
| fi |
