#
export LC_MESSAGES=C
-if [[ $DRACUT_KERNEL_LAZY ]] && ! [[ $DRACUT_KERNEL_LAZY_HASHDIR ]]; then
- if ! [[ -d "$initdir/.kernelmodseen" ]]; then
- mkdir -p "$initdir/.kernelmodseen"
- fi
- DRACUT_KERNEL_LAZY_HASHDIR="$initdir/.kernelmodseen"
-fi
-
-if [[ $initdir ]] && ! [[ -d $initdir ]]; then
- mkdir -p "$initdir"
-fi
+# is_func <command>
+# Check whether $1 is a function.
+is_func() {
+ [[ "$(type -t "$1")" == "function" ]]
+}
# Generic substring function. If $2 is in $1, return 0.
-strstr() { [[ $1 = *"$2"* ]]; }
+strstr() { [[ $1 == *"$2"* ]]; }
# Generic glob matching function. If glob pattern $2 matches anywhere in $1, OK
-strglobin() { [[ $1 = *$2* ]]; }
+strglobin() { [[ $1 == *$2* ]]; }
# Generic glob matching function. If glob pattern $2 matches all of $1, OK
-strglob() { [[ $1 = $2 ]]; }
-
-# helper function for check() in module-setup.sh
-# to check for required installed binaries
-# issues a standardized warning message
-require_binaries() {
- local _module_name="${moddir##*/}"
- local _ret=0
-
- if [[ "$1" = "-m" ]]; then
- _module_name="$2"
- shift 2
- fi
+# shellcheck disable=SC2053
+strglob() { [[ $1 == $2 ]]; }
+# returns OK if $1 contains literal string $2 at the beginning, and isn't empty
+str_starts() { [ "${1#"$2"*}" != "$1" ]; }
+# returns OK if $1 contains literal string $2 at the end, and isn't empty
+str_ends() { [ "${1%*"$2"}" != "$1" ]; }
- for cmd in "$@"; 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 '$@'!"
- return 1
- fi
-
- return 0
+trim() {
+ local var="$*"
+ var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters
+ var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters
+ printf "%s" "$var"
}
# find a binary. If we were not passed the full path directly,
# search in the usual places to find the binary.
find_binary() {
- if [[ -z ${1##/*} ]]; then
- if [[ -x $1 ]] || { [[ "$1" == *.so* ]] && ldd "$1" &>/dev/null; }; then
- printf "%s\n" "$1"
+ local _delim
+ local _path
+ local l
+ local p
+ [[ -z ${1##/*} ]] || _delim="/"
+
+ if [[ $1 == *.so* ]]; then
+ # shellcheck disable=SC2154
+ for l in $libdirs; do
+ _path="${l}${_delim}${1}"
+ if { $DRACUT_LDD "${dracutsysrootdir}${_path}" &> /dev/null; }; then
+ printf "%s\n" "${_path}"
+ return 0
+ fi
+ done
+ _path="${_delim}${1}"
+ if { $DRACUT_LDD "${dracutsysrootdir}${_path}" &> /dev/null; }; then
+ printf "%s\n" "${_path}"
return 0
fi
fi
+ if [[ $1 == */* ]]; then
+ _path="${_delim}${1}"
+ if [[ -L ${dracutsysrootdir}${_path} ]] || [[ -x ${dracutsysrootdir}${_path} ]]; then
+ printf "%s\n" "${_path}"
+ return 0
+ fi
+ fi
+ for p in $DRACUT_PATH; do
+ _path="${p}${_delim}${1}"
+ if [[ -L ${dracutsysrootdir}${_path} ]] || [[ -x ${dracutsysrootdir}${_path} ]]; then
+ printf "%s\n" "${_path}"
+ return 0
+ fi
+ done
+ [[ -n $dracutsysrootdir ]] && return 1
type -P "${1##*/}"
}
-if ! [[ $dracutbasedir ]]; then
- dracutbasedir=${BASH_SOURCE[0]%/*}
- [[ $dracutbasedir = "dracut-functions" ]] && dracutbasedir="."
- [[ $dracutbasedir ]] || dracutbasedir="."
- dracutbasedir="$(readlink -f $dracutbasedir)"
-fi
-
-ldconfig_paths()
-{
- ldconfig -pN 2>/dev/null | grep -E -v '/(lib|lib64|usr/lib|usr/lib64)/[^/]*$' | sed -n 's,.* => \(.*\)/.*,\1,p' | sort | uniq
+ldconfig_paths() {
+ $DRACUT_LDCONFIG ${dracutsysrootdir:+-r ${dracutsysrootdir} -f /etc/ld.so.conf} -pN 2> /dev/null | grep -E -v '/(lib|lib64|usr/lib|usr/lib64)/[^/]*$' | sed -n 's,.* => \(.*\)/.*,\1,p' | sort | uniq
}
-# 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
-
-if ! [[ $kernel ]]; then
- kernel=$(uname -r)
- export kernel
-fi
-
# Version comparision function. Assumes Linux style version scheme.
# $1 = version a
# $2 = comparision op (gt, ge, eq, le, lt, ne)
# $3 = version b
vercmp() {
- local _n1=(${1//./ }) _op=$2 _n2=(${3//./ }) _i _res
-
- for ((_i=0; ; _i++))
- do
- if [[ ! ${_n1[_i]}${_n2[_i]} ]]; then _res=0
- elif ((${_n1[_i]:-0} > ${_n2[_i]:-0})); then _res=1
- elif ((${_n1[_i]:-0} < ${_n2[_i]:-0})); then _res=2
- else continue
+ local _n1
+ read -r -a _n1 <<< "${1//./ }"
+ local _op=$2
+ local _n2
+ read -r -a _n2 <<< "${3//./ }"
+ local _i _res
+
+ for ((_i = 0; ; _i++)); do
+ if [[ ! ${_n1[_i]}${_n2[_i]} ]]; then
+ _res=0
+ elif ((${_n1[_i]:-0} > ${_n2[_i]:-0})); then
+ _res=1
+ elif ((${_n1[_i]:-0} < ${_n2[_i]:-0})); then
+ _res=2
+ else
+ continue
fi
break
done
case $_op in
- gt) ((_res == 1));;
- ge) ((_res != 2));;
- eq) ((_res == 0));;
- le) ((_res != 1));;
- lt) ((_res == 2));;
- ne) ((_res != 0));;
+ gt) ((_res == 1)) ;;
+ ge) ((_res != 2)) ;;
+ eq) ((_res == 0)) ;;
+ le) ((_res != 1)) ;;
+ lt) ((_res == 2)) ;;
+ ne) ((_res != 0)) ;;
esac
}
-srcmods="/lib/modules/$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
-
-# is_func <command>
-# Check whether $1 is a function.
-is_func() {
- [[ "$(type -t "$1")" = "function" ]]
-}
-
-if ! is_func dinfo >/dev/null 2>&1; then
- . "$dracutbasedir/dracut-logger.sh"
- dlog_init
-fi
-
-if ! [[ $initdir ]]; then
- dfatal "initdir not set"
- exit 1
-fi
-
-# export standard hookdirs
-[[ $hookdirs ]] || {
- hookdirs="cmdline pre-udev pre-trigger netroot "
- hookdirs+="initqueue initqueue/settled initqueue/online initqueue/finished initqueue/timeout "
- hookdirs+="pre-mount pre-pivot cleanup mount "
- hookdirs+="emergency shutdown-emergency pre-shutdown shutdown "
- export hookdirs
-}
-
-dracut_need_initqueue() {
- >"$initdir/lib/dracut/need-initqueue"
-}
-
-dracut_module_included() {
- [[ " $mods_to_load $modules_loaded " == *\ $*\ * ]]
-}
-
# Create all subdirectories for given path without creating the last element.
# $1 = path
mksubdirs() {
+ # shellcheck disable=SC2174
[[ -e ${1%/*} ]] || mkdir -m 0755 -p -- "${1%/*}"
}
print_vars() {
local _var _value
- for _var in "$@"
- do
+ for _var in "$@"; do
eval printf -v _value "%s" \""\$$_var"\"
[[ ${_value} ]] && printf '%s="%s"\n' "$_var" "$_value"
done
# $ normalize_path ///test/test//
# /test/test
normalize_path() {
+ # shellcheck disable=SC2064
+ trap "$(shopt -p extglob)" RETURN
shopt -q -s extglob
- set -- "${1//+(\/)//}"
- shopt -q -u extglob
- printf "%s\n" "${1%/}"
+ local p=${1//+(\/)//}
+ printf "%s\n" "${p%/}"
}
# convert_abs_rel <from> <to>
set -- "$(normalize_path "$1")" "$(normalize_path "$2")"
# corner case #1 - self looping link
- [[ "$1" == "$2" ]] && { printf "%s\n" "${1##*/}"; return; }
+ [[ $1 == "$2" ]] && {
+ printf "%s\n" "${1##*/}"
+ return
+ }
# corner case #2 - own dir link
- [[ "${1%/*}" == "$2" ]] && { printf ".\n"; return; }
+ [[ ${1%/*} == "$2" ]] && {
+ printf ".\n"
+ return
+ }
- IFS="/" __current=($1)
- IFS="/" __absolute=($2)
+ IFS=/ read -r -a __current <<< "$1"
+ IFS=/ read -r -a __absolute <<< "$2"
__abssize=${#__absolute[@]}
__cursize=${#__current[@]}
- while [[ "${__absolute[__level]}" == "${__current[__level]}" ]]
- do
- (( __level++ ))
- if (( __level > __abssize || __level > __cursize ))
- then
+ while [[ ${__absolute[__level]} == "${__current[__level]}" ]]; do
+ ((__level++))
+ if ((__level > __abssize || __level > __cursize)); then
break
fi
done
- for ((__i = __level; __i < __cursize-1; __i++))
- do
- if ((__i > __level))
- then
+ for ((__i = __level; __i < __cursize - 1; __i++)); do
+ if ((__i > __level)); then
__newpath=$__newpath"/"
fi
__newpath=$__newpath".."
done
- for ((__i = __level; __i < __abssize; __i++))
- do
- if [[ -n $__newpath ]]
- then
+ for ((__i = __level; __i < __abssize; __i++)); do
+ if [[ -n $__newpath ]]; then
__newpath=$__newpath"/"
fi
__newpath=$__newpath${__absolute[__i]}
done
- printf "%s\n" "$__newpath"
+ printf -- "%s\n" "$__newpath"
}
-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
-
# get_fs_env <device>
# Get and the ID_FS_TYPE variable from udev for a device.
# Example:
# $ get_fs_env /dev/sda2
# ext4
get_fs_env() {
- local evalstr
- local found
-
[[ $1 ]] || return
unset ID_FS_TYPE
ID_FS_TYPE=$(blkid -u filesystem -o export -- "$1" \
- | while read line; do
- if [[ "$line" == TYPE\=* ]]; then
- printf "%s" "${line#TYPE=}";
- exit 0;
+ | while read -r line || [ -n "$line" ]; do
+ if [[ $line == "TYPE="* ]]; then
+ printf "%s" "${line#TYPE=}"
+ exit 0
fi
- done)
+ done)
if [[ $ID_FS_TYPE ]]; then
printf "%s" "$ID_FS_TYPE"
return 0
# $ get_maj_min /dev/sda2
# 8:2
get_maj_min() {
- local _maj _min _majmin
- _majmin="$(stat -L -c '%t:%T' "$1" 2>/dev/null)"
- printf "%s" "$((0x${_majmin%:*})):$((0x${_majmin#*:}))"
-}
+ local _majmin
+ local _out
+
+ if [[ $get_maj_min_cache_file ]]; then
+ _out="$(grep -m1 -oE "^$1 \S+$" "$get_maj_min_cache_file" | awk '{print $NF}')"
+ fi
+ if ! [[ "$_out" ]]; then
+ _majmin="$(stat -L -c '%t:%T' "$1" 2> /dev/null)"
+ _out="$(printf "%s" "$((0x${_majmin%:*})):$((0x${_majmin#*:}))")"
+ if [[ $get_maj_min_cache_file ]]; then
+ echo "$1 $_out" >> "$get_maj_min_cache_file"
+ fi
+ fi
+ echo -n "$_out"
+}
# get_devpath_block <device>
# get the DEVPATH in /sys of a block device
_majmin=$(get_maj_min "$1")
for _i in /sys/block/*/dev /sys/block/*/*/dev; do
- [[ -e "$_i" ]] || continue
- if [[ "$_majmin" == "$(<"$_i")" ]]; then
+ [[ -e $_i ]] || continue
+ if [[ $_majmin == "$(< "$_i")" ]]; then
printf "%s" "${_i%/dev}"
return 0
fi
# get a persistent path from a device
get_persistent_dev() {
- local i _tmp _dev
+ local i _tmp _dev _pol
_dev=$(get_maj_min "$1")
[ -z "$_dev" ] && return
+ if [[ -n $persistent_policy ]]; then
+ _pol="/dev/disk/${persistent_policy}/*"
+ else
+ _pol=
+ fi
+
for i in \
+ $_pol \
/dev/mapper/* \
- /dev/disk/${persistent_policy:-by-uuid}/* \
/dev/disk/by-uuid/* \
/dev/disk/by-label/* \
/dev/disk/by-partuuid/* \
/dev/disk/by-partlabel/* \
/dev/disk/by-id/* \
- /dev/disk/by-path/* \
- ; do
- [[ -e "$i" ]] || continue
+ /dev/disk/by-path/*; do
+ [[ -e $i ]] || continue
[[ $i == /dev/mapper/control ]] && continue
[[ $i == /dev/mapper/mpath* ]] && continue
_tmp=$(get_maj_min "$i")
local _dev="$1"
case "$_dev" in
/dev/disk/by-uuid/*)
- printf "%s" "UUID=${_dev##*/}";;
+ printf "%s" "UUID=${_dev##*/}"
+ ;;
/dev/disk/by-label/*)
- printf "%s" "LABEL=${_dev##*/}";;
+ printf "%s" "LABEL=${_dev##*/}"
+ ;;
/dev/disk/by-partuuid/*)
- printf "%s" "PARTUUID=${_dev##*/}";;
+ printf "%s" "PARTUUID=${_dev##*/}"
+ ;;
/dev/disk/by-partlabel/*)
- printf "%s" "PARTLABEL=${_dev##*/}";;
+ printf "%s" "PARTLABEL=${_dev##*/}"
+ ;;
*)
- printf "%s" "$_dev";;
+ printf "%s" "$_dev"
+ ;;
esac
}
# $ find_block_device /usr
# 8:4
find_block_device() {
- local _majmin _dev _majmin _find_mpt
+ local _dev _majmin _find_mpt
_find_mpt="$1"
+
if [[ $use_fstab != yes ]]; then
[[ -d $_find_mpt/. ]]
- findmnt -e -v -n -o 'MAJ:MIN,SOURCE' --target "$_find_mpt" | { \
- while read _majmin _dev; do
+ findmnt -e -v -n -o 'MAJ:MIN,SOURCE' --target "$_find_mpt" | {
+ while read -r _majmin _dev || [ -n "$_dev" ]; do
if [[ -b $_dev ]]; then
if ! [[ $_majmin ]] || [[ $_majmin == 0:* ]]; then
- _majmin=$(get_maj_min $_dev)
+ _majmin=$(get_maj_min "$_dev")
fi
if [[ $_majmin ]]; then
printf "%s\n" "$_majmin"
fi
return 0
fi
- if [[ $_dev = *:* ]]; then
+ if [[ $_dev == *:* ]]; then
printf "%s\n" "$_dev"
return 0
fi
- done; return 1; } && return 0
+ done
+ return 1
+ } && return 0
fi
# fall back to /etc/fstab
+ [[ ! -f "$dracutsysrootdir"/etc/fstab ]] && return 1
- findmnt -e --fstab -v -n -o 'MAJ:MIN,SOURCE' --target "$_find_mpt" | { \
- while read _majmin _dev; do
+ findmnt -e --fstab -v -n -o 'MAJ:MIN,SOURCE' --target "$_find_mpt" | {
+ while read -r _majmin _dev || [ -n "$_dev" ]; do
if ! [[ $_dev ]]; then
_dev="$_majmin"
unset _majmin
fi
if [[ -b $_dev ]]; then
- [[ $_majmin ]] || _majmin=$(get_maj_min $_dev)
+ [[ $_majmin ]] || _majmin=$(get_maj_min "$_dev")
if [[ $_majmin ]]; then
printf "%s\n" "$_majmin"
else
fi
return 0
fi
- if [[ $_dev = *:* ]]; then
+ if [[ $_dev == *:* ]]; then
printf "%s\n" "$_dev"
return 0
fi
- done; return 1; } && return 0
+ done
+ return 1
+ } && return 0
return 1
}
local _fs
if [[ $use_fstab != yes ]]; then
- findmnt -e -v -n -o 'FSTYPE' --target "$1" | { \
- while read _fs; do
+ findmnt -e -v -n -o 'FSTYPE' --target "$1" | {
+ while read -r _fs || [ -n "$_fs" ]; do
[[ $_fs ]] || continue
- [[ $_fs = "autofs" ]] && continue
+ [[ $_fs == "autofs" ]] && continue
printf "%s" "$_fs"
return 0
- done; return 1; } && return 0
+ done
+ return 1
+ } && return 0
fi
- findmnt --fstab -e -v -n -o 'FSTYPE' --target "$1" | { \
- while read _fs; do
+ [[ ! -f "$dracutsysrootdir"/etc/fstab ]] && return 1
+
+ findmnt --fstab -e -v -n -o 'FSTYPE' --target "$1" | {
+ while read -r _fs || [ -n "$_fs" ]; do
[[ $_fs ]] || continue
- [[ $_fs = "autofs" ]] && continue
+ [[ $_fs == "autofs" ]] && continue
printf "%s" "$_fs"
return 0
- done; return 1; } && return 0
+ done
+ return 1
+ } && return 0
return 1
}
find_dev_fstype() {
local _find_dev _fs
_find_dev="$1"
- if ! [[ "$_find_dev" = /dev* ]]; then
+ if ! [[ $_find_dev == /dev* ]]; then
[[ -b "/dev/block/$_find_dev" ]] && _find_dev="/dev/block/$_find_dev"
fi
if [[ $use_fstab != yes ]]; then
- findmnt -e -v -n -o 'FSTYPE' --source "$_find_dev" | { \
- while read _fs; do
+ findmnt -e -v -n -o 'FSTYPE' --source "$_find_dev" | {
+ while read -r _fs || [ -n "$_fs" ]; do
[[ $_fs ]] || continue
- [[ $_fs = "autofs" ]] && continue
+ [[ $_fs == "autofs" ]] && continue
printf "%s" "$_fs"
return 0
- done; return 1; } && return 0
+ done
+ return 1
+ } && return 0
fi
- findmnt --fstab -e -v -n -o 'FSTYPE' --source "$_find_dev" | { \
- while read _fs; do
+ [[ ! -f "$dracutsysrootdir"/etc/fstab ]] && return 1
+
+ findmnt --fstab -e -v -n -o 'FSTYPE' --source "$_find_dev" | {
+ while read -r _fs || [ -n "$_fs" ]; do
[[ $_fs ]] || continue
- [[ $_fs = "autofs" ]] && continue
+ [[ $_fs == "autofs" ]] && continue
printf "%s" "$_fs"
return 0
- done; return 1; } && return 0
+ done
+ return 1
+ } && return 0
return 1
}
# rw,relatime,discard,data=ordered
find_mp_fsopts() {
if [[ $use_fstab != yes ]]; then
- findmnt -e -v -n -o 'OPTIONS' --target "$1" 2>/dev/null && return 0
+ findmnt -e -v -n -o 'OPTIONS' --target "$1" 2> /dev/null && return 0
fi
+ [[ ! -f "$dracutsysrootdir"/etc/fstab ]] && return 1
+
findmnt --fstab -e -v -n -o 'OPTIONS' --target "$1"
}
# Echo the filesystem options for a given device.
# /proc/self/mountinfo is taken as the primary source of information
# and /etc/fstab is used as a fallback.
+# if `use_fstab == yes`, then only `/etc/fstab` is used.
+#
# Example:
# $ find_dev_fsopts /dev/sda2
# rw,relatime,discard,data=ordered
find_dev_fsopts() {
- local _find_dev _opts
+ local _find_dev
_find_dev="$1"
- if ! [[ "$_find_dev" = /dev* ]]; then
+ if ! [[ $_find_dev == /dev* ]]; then
[[ -b "/dev/block/$_find_dev" ]] && _find_dev="/dev/block/$_find_dev"
fi
if [[ $use_fstab != yes ]]; then
- findmnt -e -v -n -o 'OPTIONS' --source "$_find_dev" 2>/dev/null && return 0
+ findmnt -e -v -n -o 'OPTIONS' --source "$_find_dev" 2> /dev/null && return 0
fi
+ [[ ! -f "$dracutsysrootdir"/etc/fstab ]] && return 1
+
findmnt --fstab -e -v -n -o 'OPTIONS' --source "$_find_dev"
}
-
# finds the major:minor of the block device backing the root filesystem.
find_root_block_device() { find_block_device /; }
# for_each_host_dev_fs <func>
# Execute "<func> <dev> <filesystem>" for every "<dev> <fs>" pair found
# in ${host_fs_types[@]}
-for_each_host_dev_fs()
-{
+for_each_host_dev_fs() {
local _func="$1"
local _dev
local _ret=1
- [[ "${!host_fs_types[@]}" ]] || return 0
+ [[ "${#host_fs_types[@]}" ]] || return 2
for _dev in "${!host_fs_types[@]}"; do
$_func "$_dev" "${host_fs_types[$_dev]}" && _ret=0
return $_ret
}
-host_fs_all()
-{
+host_fs_all() {
printf "%s\n" "${host_fs_types[@]}"
}
check_block_and_slaves() {
local _x
[[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry.
- if ! lvm_internal_dev $2; then "$1" $2 && return; fi
+ if ! lvm_internal_dev "$2"; then "$1" "$2" && return; fi
check_vol_slaves "$@" && return 0
- if [[ -f /sys/dev/block/$2/../dev ]]; then
- check_block_and_slaves $1 $(<"/sys/dev/block/$2/../dev") && return 0
+ if [[ -f /sys/dev/block/$2/../dev ]] && [[ /sys/dev/block/$2/../subsystem -ef /sys/class/block ]]; then
+ check_block_and_slaves "$1" "$(< "/sys/dev/block/$2/../dev")" && return 0
fi
- [[ -d /sys/dev/block/$2/slaves ]] || return 1
- for _x in /sys/dev/block/$2/slaves/*/dev; do
- [[ -f $_x ]] || continue
- check_block_and_slaves $1 $(<"$_x") && return 0
+ for _x in /sys/dev/block/"$2"/slaves/*; do
+ [[ -f $_x/dev ]] || continue
+ [[ $_x/subsystem -ef /sys/class/block ]] || continue
+ check_block_and_slaves "$1" "$(< "$_x/dev")" && return 0
done
return 1
}
check_block_and_slaves_all() {
local _x _ret=1
[[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry.
- if ! lvm_internal_dev $2 && "$1" $2; then
+ if ! lvm_internal_dev "$2" && "$1" "$2"; then
_ret=0
fi
- check_vol_slaves "$@" && return 0
- if [[ -f /sys/dev/block/$2/../dev ]]; then
- check_block_and_slaves_all $1 $(<"/sys/dev/block/$2/../dev") && _ret=0
+ check_vol_slaves_all "$@" && return 0
+ if [[ -f /sys/dev/block/$2/../dev ]] && [[ /sys/dev/block/$2/../subsystem -ef /sys/class/block ]]; then
+ check_block_and_slaves_all "$1" "$(< "/sys/dev/block/$2/../dev")" && _ret=0
fi
- [[ -d /sys/dev/block/$2/slaves ]] || return 1
- for _x in /sys/dev/block/$2/slaves/*/dev; do
- [[ -f $_x ]] || continue
- check_block_and_slaves_all $1 $(<"$_x") && _ret=0
+ for _x in /sys/dev/block/"$2"/slaves/*; do
+ [[ -f $_x/dev ]] || continue
+ [[ $_x/subsystem -ef /sys/class/block ]] || continue
+ check_block_and_slaves_all "$1" "$(< "$_x/dev")" && _ret=0
done
return $_ret
}
# for_each_host_dev_and_slaves <func>
# Execute "<func> <dev>" for every "<dev>" found
# in ${host_devs[@]} and their slaves
-for_each_host_dev_and_slaves_all()
-{
+for_each_host_dev_and_slaves_all() {
local _func="$1"
local _dev
local _ret=1
- [[ "${host_devs[@]}" ]] || return 0
+ [[ "${host_devs[*]}" ]] || return 2
- for _dev in ${host_devs[@]}; do
- [[ -b "$_dev" ]] || continue
- if check_block_and_slaves_all $_func $(get_maj_min $_dev); then
+ for _dev in "${host_devs[@]}"; do
+ [[ -b $_dev ]] || continue
+ if check_block_and_slaves_all "$_func" "$(get_maj_min "$_dev")"; then
_ret=0
fi
done
return $_ret
}
-for_each_host_dev_and_slaves()
-{
+for_each_host_dev_and_slaves() {
local _func="$1"
local _dev
- [[ "${host_devs[@]}" ]] || return 0
+ [[ "${host_devs[*]}" ]] || return 2
- for _dev in ${host_devs[@]}; do
- [[ -b "$_dev" ]] || continue
- check_block_and_slaves $_func $(get_maj_min $_dev) && return 0
+ for _dev in "${host_devs[@]}"; do
+ [[ -b $_dev ]] || continue
+ check_block_and_slaves "$_func" "$(get_maj_min "$_dev")" && return 0
done
return 1
}
+# /sys/dev/block/major:minor is symbol link to real hardware device
+# go downstream $(realpath /sys/dev/block/major:minor) to detect driver
+get_blockdev_drv_through_sys() {
+ local _block_mods=""
+ local _path
+
+ _path=$(realpath "$1")
+ while true; do
+ if [[ -L "$_path"/driver/module ]]; then
+ _mod=$(realpath "$_path"/driver/module)
+ _mod=$(basename "$_mod")
+ _block_mods="$_block_mods $_mod"
+ fi
+ _path=$(dirname "$_path")
+ if [[ $_path == '/sys/devices' ]] || [[ $_path == '/' ]]; then
+ break
+ fi
+ done
+ echo "$_block_mods"
+}
+
# ugly workaround for the lvm design
# There is no volume group device,
# so, there are no slave devices for volume groups.
# but you cannot create the logical volume without the volume group.
# And the volume group might be bigger than the devices the LV needs.
check_vol_slaves() {
- local _lv _vg _pv _dm
- for i in /dev/mapper/*; do
- [[ $i == /dev/mapper/control ]] && continue
- _lv=$(get_maj_min $i)
- _dm=/sys/dev/block/$_lv/dm
- [[ -f $_dm/uuid && $(<$_dm/uuid) =~ LVM-* ]] || continue
- if [[ $_lv = $2 ]]; then
- _vg=$(lvm lvs --noheadings -o vg_name $i 2>/dev/null)
- # strip space
- _vg=$(printf "%s\n" "$_vg")
- if [[ $_vg ]]; then
- for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2>/dev/null)
- do
- check_block_and_slaves $1 $(get_maj_min $_pv) && return 0
- done
- fi
+ local _vg _pv _dm _majmin
+ _majmin="$2"
+ _dm=/sys/dev/block/$_majmin/dm
+ [[ -f $_dm/uuid && $(< "$_dm"/uuid) =~ LVM-* ]] || return 1
+ _vg=$(dmsetup splitname --noheadings -o vg_name "$(< "$_dm/name")")
+ # strip space
+ _vg="${_vg//[[:space:]]/}"
+ if [[ $_vg ]]; then
+ for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2> /dev/null); do
+ check_block_and_slaves "$1" "$(get_maj_min "$_pv")" && return 0
+ done
+ fi
+ return 1
+}
+
+check_vol_slaves_all() {
+ local _vg _pv _majmin
+ _majmin="$2"
+ _dm="/sys/dev/block/$_majmin/dm"
+ [[ -f $_dm/uuid && $(< "$_dm"/uuid) =~ LVM-* ]] || return 1
+ _vg=$(dmsetup splitname --noheadings -o vg_name "$(< "$_dm/name")")
+ # strip space
+ _vg="${_vg//[[:space:]]/}"
+ if [[ $_vg ]]; then
+ # when filter/global_filter is set, lvm may be failed
+ if ! lvm lvs --noheadings -o vg_name "$_vg" 2> /dev/null 1> /dev/null; then
+ return 1
fi
- done
+
+ for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2> /dev/null); do
+ check_block_and_slaves_all "$1" "$(get_maj_min "$_pv")"
+ done
+ return 0
+ fi
return 1
}
local _option=$2
local OLDIFS="$IFS"
IFS=,
+ # shellcheck disable=SC2086
set -- $_fsopts
IFS="$OLDIFS"
while [ $# -gt 0 ]; do
case $1 in
$_option=*)
- echo ${1#${_option}=}
+ echo "${1#"${_option}"=}"
break
+ ;;
esac
shift
done
}
-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
-
-[[ $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 $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 $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 $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 $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 $DRACUT_INSTALL ${initdir:+-D "$initdir"} -a ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} ${_hostonly_install:+-H} "$@" || :
- return $_ret
-}
-
-dracut_install() {
- inst_multiple "$@"
-}
-
-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 $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 $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" || :
-}
+check_kernel_config() {
+ local _config_opt="$1"
+ local _config_file
+ [[ -f $dracutsysrootdir/boot/config-$kernel ]] \
+ && _config_file="/boot/config-$kernel"
+ [[ -f $dracutsysrootdir/lib/modules/$kernel/config ]] \
+ && _config_file="/lib/modules/$kernel/config"
-inst_script() {
- $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@"
- (($? != 0)) && derror $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} ${DRACUT_RESOLVE_DEPS:+-l} ${DRACUT_FIPS_MODE:+-f} "$@" || :
-}
+ # no kernel config file, so return true
+ [[ $_config_file ]] || return 0
-mark_hostonly() {
- for i in "$@"; do
- echo "$i" >> "$initdir/lib/dracut/hostonly-files"
- done
+ grep -q -F "${_config_opt}=" "$dracutsysrootdir$_config_file" && return 0
+ return 1
}
-# 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}"
+# 0 if the kernel module is either built-in or available
+# 1 if the kernel module is not enabled
+check_kernel_module() {
+ modprobe -d "$dracutsysrootdir" -S "$kernel" --dry-run "$1" &> /dev/null || return 1
}
-# attempt to install any programs specified in a udev rule
-inst_rule_programs() {
- local _prog _bin
-
- if grep -qE 'PROGRAM==?"[^ "]+' "$1"; then
- for _prog in $(grep -E 'PROGRAM==?"[^ "]+' "$1" | sed -r 's/.*PROGRAM==?"([^ "]+).*/\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
- fi
- if grep -qE 'RUN[+=]=?"[^ "]+' "$1"; then
- for _prog in $(grep -E 'RUN[+=]=?"[^ "]+' "$1" | sed -r 's/.*RUN[+=]=?"([^ "]+).*/\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
+# get_cpu_vendor
+# Only two values are returned: AMD or Intel
+get_cpu_vendor() {
+ if grep -qE AMD /proc/cpuinfo; then
+ printf "AMD"
fi
- if grep -qE 'IMPORT\{program\}==?"[^ "]+' "$1"; then
- for _prog in $(grep -E 'IMPORT\{program\}==?"[^ "]+' "$1" | sed -r 's/.*IMPORT\{program\}==?"([^ "]+).*/\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
+ if grep -qE Intel /proc/cpuinfo; then
+ printf "Intel"
fi
}
-# attempt to install any programs specified in a udev rule
-inst_rule_group_owner() {
- local i
+# get_host_ucode
+# Get the hosts' ucode file based on the /proc/cpuinfo
+get_ucode_file() {
+ local family
+ local model
+ local stepping
+ family=$(grep -E "cpu family" /proc/cpuinfo | head -1 | sed "s/.*:\ //")
+ model=$(grep -E "model" /proc/cpuinfo | grep -v name | head -1 | sed "s/.*:\ //")
+ stepping=$(grep -E "stepping" /proc/cpuinfo | head -1 | sed "s/.*:\ //")
- if grep -qE 'OWNER=?"[^ "]+' "$1"; then
- for i in $(grep -E 'OWNER=?"[^ "]+' "$1" | sed -r 's/.*OWNER=?"([^ "]+).*/\1/'); do
- if ! egrep -q "^$i:" "$initdir/etc/passwd" 2>/dev/null; then
- egrep "^$i:" /etc/passwd 2>/dev/null >> "$initdir/etc/passwd"
- fi
- done
+ if [[ "$(get_cpu_vendor)" == "AMD" ]]; then
+ if [[ $family -ge 21 ]]; then
+ printf "microcode_amd_fam%xh.bin" "$family"
+ else
+ printf "microcode_amd.bin"
+ fi
fi
- if grep -qE 'GROUP=?"[^ "]+' "$1"; then
- for i in $(grep -E 'GROUP=?"[^ "]+' "$1" | sed -r 's/.*GROUP=?"([^ "]+).*/\1/'); do
- if ! egrep -q "^$i:" "$initdir/etc/group" 2>/dev/null; then
- egrep "^$i:" /etc/group 2>/dev/null >> "$initdir/etc/group"
- fi
- done
+ if [[ "$(get_cpu_vendor)" == "Intel" ]]; then
+ # The /proc/cpuinfo are in decimal.
+ printf "%02x-%02x-%02x" "${family}" "${model}" "${stepping}"
fi
}
-inst_rule_initqueue() {
- if grep -q -F initqueue "$1"; then
- dracut_need_initqueue
- fi
+# Not every device in /dev/mapper should be examined.
+# If it is an LVM device, touch only devices which have /dev/VG/LV symlink.
+lvm_internal_dev() {
+ local dev_dm_dir=/sys/dev/block/$1/dm
+ [[ ! -f $dev_dm_dir/uuid || $(< "$dev_dm_dir"/uuid) != LVM-* ]] && return 1 # Not an LVM device
+ local DM_VG_NAME DM_LV_NAME DM_LV_LAYER
+ eval "$(dmsetup splitname --nameprefixes --noheadings --rows "$(< "$dev_dm_dir"/name)" 2> /dev/null)"
+ [[ ${DM_VG_NAME} ]] && [[ ${DM_LV_NAME} ]] || return 0 # Better skip this!
+ [[ ${DM_LV_LAYER} ]] || [[ ! -L /dev/${DM_VG_NAME}/${DM_LV_NAME} ]]
}
-# udev rules always get installed in the same place, so
-# create a function to install them to make life simpler.
-inst_rules() {
- local _target=/etc/udev/rules.d _rule _found
-
- inst_dir "${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
- if [[ -e $r/$_rule ]]; then
- _found="$r/$_rule"
- inst_rule_programs "$_found"
- inst_rule_group_owner "$_found"
- inst_rule_initqueue "$_found"
- inst_simple "$_found"
- fi
- done
- fi
- for r in '' $dracutbasedir/rules.d/; do
- # skip rules without an absolute path
- [[ "${r}$_rule" != /* ]] && continue
-
- if [[ -f ${r}$_rule ]]; then
- _found="${r}$_rule"
- inst_rule_programs "$_found"
- inst_rule_group_owner "$_found"
- inst_rule_initqueue "$_found"
- inst_simple "$_found" "$_target/${_found##*/}"
- fi
+btrfs_devs() {
+ local _mp="$1"
+ btrfs device usage "$_mp" \
+ | while read -r _dev _; do
+ str_starts "$_dev" "/" || continue
+ _dev=${_dev%,}
+ printf -- "%s\n" "$_dev"
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
- if [[ -e $_rule ]]; then
- inst_rule_programs "$_rule"
- inst_rule_group_owner "$_rule"
- inst_rule_initqueue "$_rule"
- inst_simple "$_rule"
- _found=$_rule
- fi
- done
- if [ -n ${hostonly} ] ; then
- for _rule in ${_target}/$1 ; do
- if [[ -f $_rule ]]; then
- inst_rule_programs "$_rule"
- inst_rule_group_owner "$_rule"
- inst_rule_initqueue "$_rule"
- inst_simple "$_rule"
- _found=$_rule
- fi
+zfs_devs() {
+ local _mp="$1"
+ zpool list -H -v -P "${_mp%%/*}" | awk -F$'\t' '$2 ~ /^\// {print $2}' \
+ | while read -r _dev; do
+ realpath "${_dev}"
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 "$f" ] || continue
- while read line; do
- if [ "${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
- if [[ -e $f ]]; then
- [[ $to ]] && inst "$f" "$to" && return 0
- inst "$f" && return 0
- fi
+iface_for_remote_addr() {
+ # shellcheck disable=SC2046
+ set -- $(ip -o route get to "$1")
+ while [ $# -gt 0 ]; do
+ case $1 in
+ dev)
+ echo "$2"
+ return
+ ;;
+ esac
+ shift
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 ;;
+local_addr_for_remote_addr() {
+ # shellcheck disable=SC2046
+ set -- $(ip -o route get to "$1")
+ while [ $# -gt 0 ]; do
+ case $1 in
+ src)
+ echo "$2"
+ return
+ ;;
esac
- inst_simple ${_src}
- # Decompress with chosen tool. We assume that tool changes name e.g.
- # from 'name.gz' to 'name'.
- ${_cmd} "${initdir}${_src}"
+ shift
done
}
-# It's similar to above, but if file is not compressed, performs standard
-# install.
-# $@ = list of files
-inst_opt_decompress() {
- local _src
+peer_for_addr() {
+ local addr=$1
+ local qtd
- for _src in $@
- do
- inst_decompress "${_src}" || inst "${_src}"
- done
+ # quote periods in IPv4 address
+ qtd=${addr//./\\.}
+ ip -o addr show \
+ | sed -n 's%^.* '"$qtd"' peer \([0-9a-f.:]\{1,\}\(/[0-9]*\)\?\).*$%\1%p'
}
-# 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})
- 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
-}
+netmask_for_addr() {
+ local addr=$1
+ local qtd
-# module_check_mount <dracut module>
-# execute the check() function of module-setup.sh of <dracut module>
-# or the "check" script, if module-setup.sh is not found
-# "mount_needs=1 check 0" is called
-module_check_mount() {
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- 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 $_ret
+ # quote periods in IPv4 address
+ qtd=${addr//./\\.}
+ ip -o addr show | sed -n 's,^.* '"$qtd"'/\([0-9]*\) .*$,\1,p'
}
-# module_depends <dracut module>
-# execute the depends() function of module-setup.sh of <dracut module>
-# or the "depends" script, if module-setup.sh is not found
-module_depends() {
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- 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
-}
+gateway_for_iface() {
+ local ifname=$1 addr=$2
-# module_cmdline <dracut module>
-# execute the cmdline() function of module-setup.sh of <dracut module>
-# or the "cmdline" script, if module-setup.sh is not found
-module_cmdline() {
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- 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
+ case $addr in
+ *.*) proto=4 ;;
+ *:*) proto=6 ;;
+ *) return ;;
+ esac
+ ip -o -$proto route show \
+ | sed -n "s/^default via \([0-9a-z.:]\{1,\}\) dev $ifname .*\$/\1/p"
}
-# module_install <dracut module>
-# execute the install() function of module-setup.sh of <dracut module>
-# or the "install" script, if module-setup.sh is not found
-module_install() {
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- 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
-}
+# This works only for ifcfg-style network configuration!
+bootproto_for_iface() {
+ local ifname=$1
+ local dir
-# module_installkernel <dracut module>
-# execute the installkernel() function of module-setup.sh of <dracut module>
-# or the "installkernel" script, if module-setup.sh is not found
-module_installkernel() {
- local _moddir=$(echo ${dracutbasedir}/modules.d/??${1})
- 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 $_ret
- fi
+ # follow ifcfg settings for boot protocol
+ for dir in network-scripts network; do
+ [ -f "/etc/sysconfig/$dir/ifcfg-$ifname" ] && {
+ sed -n "s/BOOTPROTO=[\"']\?\([[:alnum:]]\{1,\}\)[\"']\?.*\$/\1/p" \
+ "/etc/sysconfig/$dir/ifcfg-$ifname"
+ return
+ }
+ done
}
-# 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})
- 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
+is_unbracketed_ipv6_address() {
+ strglob "$1" '*:*' && ! strglob "$1" '\[*:*\]'
+}
- [[ $2 ]] || mods_checked_as_dep+=" $_mod "
+# Create an ip= string to set up networking such that the given
+# remote address can be reached
+ip_params_for_remote_addr() {
+ local remote_addr=$1
+ local ifname local_addr peer netmask gateway ifmac
- if [[ " $omit_dracutmodules " == *\ $_mod\ * ]]; then
+ [[ $remote_addr ]] || return 1
+ ifname=$(iface_for_remote_addr "$remote_addr")
+ [[ $ifname ]] || {
+ berror "failed to determine interface to connect to $remote_addr"
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})
- 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
+ # ifname clause to bind the interface name to a MAC address
+ if [ -d "/sys/class/net/$ifname/bonding" ]; then
+ dinfo "Found bonded interface '${ifname}'. Make sure to provide an appropriate 'bond=' cmdline."
+ elif [ -e "/sys/class/net/$ifname/address" ]; then
+ ifmac=$(cat "/sys/class/net/$ifname/address")
+ [[ $ifmac ]] && printf 'ifname=%s:%s ' "${ifname}" "${ifmac}"
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 || $ret = 255 ]] || return 1
+ bootproto=$(bootproto_for_iface "$ifname")
+ case $bootproto in
+ dhcp | dhcp6 | auto6) ;;
+ dhcp4)
+ bootproto=dhcp
+ ;;
+ static* | "")
+ bootproto=
+ ;;
+ *)
+ derror "bootproto \"$bootproto\" is unsupported by dracut, trying static configuration"
+ bootproto=
+ ;;
+ esac
+ if [[ $bootproto ]]; then
+ printf 'ip=%s:%s ' "${ifname}" "${bootproto}"
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
- [[ $ret != 255 ]] && return 1
- fi
- else
- # skip this module
+ local_addr=$(local_addr_for_remote_addr "$remote_addr")
+ [[ $local_addr ]] || {
+ berror "failed to determine local address to connect to $remote_addr"
return 1
- fi
+ }
+ peer=$(peer_for_addr "$local_addr")
+ # Set peer or netmask, but not both
+ [[ $peer ]] || netmask=$(netmask_for_addr "$local_addr")
+ gateway=$(gateway_for_iface "$ifname" "$local_addr")
+ # Quote IPv6 addresses with brackets
+ is_unbracketed_ipv6_address "$local_addr" && local_addr="[$local_addr]"
+ is_unbracketed_ipv6_address "$peer" && peer="[$peer]"
+ is_unbracketed_ipv6_address "$gateway" && gateway="[$gateway]"
+ printf 'ip=%s:%s:%s:%s::%s:none ' \
+ "${local_addr}" "${peer}" "${gateway}" "${netmask}" "${ifname}"
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
+# block_is_nbd <maj:min>
+# Check whether $1 is an nbd device
+block_is_nbd() {
+ [[ -b /dev/block/$1 && $1 == 43:* ]]
}
-# 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 [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && [[ -e "$DRACUT_KERNEL_LAZY_HASHDIR/${1##*/}" ]]; then
- read ret < "$DRACUT_KERNEL_LAZY_HASHDIR/${1##*/}"
- return $ret
- fi
-
- 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=$?
- [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && \
- [[ -d "$DRACUT_KERNEL_LAZY_HASHDIR" ]] && \
- echo $ret > "$DRACUT_KERNEL_LAZY_HASHDIR/${1##*/}"
- (($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
- if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then
- inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw"
- _found=yes
- fi
- 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
+# block_is_iscsi <maj:min>
+# Check whether $1 is an iSCSI device
+block_is_iscsi() {
+ local _dir
+ local _dev=$1
+ [[ -L "/sys/dev/block/$_dev" ]] || return
+ _dir="$(readlink -f "/sys/dev/block/$_dev")" || return
+ until [[ -d "$_dir/sys" || -d "$_dir/iscsi_session" ]]; do
+ _dir="$_dir/.."
done
- return 0
+ [[ -d "$_dir/iscsi_session" ]]
}
-# 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; do
- [[ $_cmd = insmod ]] || continue
- $_func ${_modpath} || exit $?
- done
- )
-}
-
-dracut_kernel_post() {
- local _moddirname=${srcmods%%/lib/modules/*}
- local _pid
-
- if [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && [[ -f "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist" ]]; then
- xargs -r modprobe -a ${_moddirname:+-d ${_moddirname}/} \
- --ignore-install --show-depends --set-version $kernel \
- < "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist" 2>/dev/null \
- | sort -u \
- | while read _cmd _modpath _options; do
- [[ $_cmd = insmod ]] || continue
- echo "$_modpath"
- done > "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist.dep"
-
- (
- if [[ $DRACUT_INSTALL ]] && [[ -z $_moddirname ]]; then
- xargs -r $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} -a < "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist.dep"
- else
- while read _modpath; do
- local _destpath=$_modpath
- [[ $_moddirname ]] && _destpath=${_destpath##$_moddirname/}
- _destpath=${_destpath##*/lib/modules/$kernel/}
- inst_simple "$_modpath" "/lib/modules/$kernel/${_destpath}" || exit $?
- done < "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist.dep"
- fi
- ) &
- _pid=$(jobs -p | while read a ; do printf ":$a";done)
- _pid=${_pid##*:}
-
- if [[ $DRACUT_INSTALL ]]; then
- xargs -r modinfo -k $kernel -F firmware < "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist.dep" \
- | while read line; do
- for _fwdir in $fw_dir; do
- echo $_fwdir/$line;
- done;
- done | xargs -r $DRACUT_INSTALL ${initdir:+-D "$initdir"} ${loginstall:+-L "$loginstall"} -a -o
- else
- for _fw in $(xargs -r modinfo -k $kernel -F firmware < "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist.dep"); do
- for _fwdir in $fw_dir; do
- if [[ -d $_fwdir && -f $_fwdir/$_fw ]]; then
- inst_simple "$_fwdir/$_fw" "/lib/firmware/$_fw"
- break
- fi
- done
- done
+# block_is_fcoe <maj:min>
+# Check whether $1 is an FCoE device
+# Will not work for HBAs that hide the ethernet aspect
+# completely and present a pure FC device
+block_is_fcoe() {
+ local _dir
+ local _dev=$1
+ [[ -L "/sys/dev/block/$_dev" ]] || return
+ _dir="$(readlink -f "/sys/dev/block/$_dev")"
+ until [[ -d "$_dir/sys" ]]; do
+ _dir="$_dir/.."
+ if [[ -d "$_dir/subsystem" ]]; then
+ subsystem=$(basename "$(readlink "$_dir"/subsystem)")
+ [[ $subsystem == "fcoe" ]] && return 0
fi
-
- wait $_pid
- fi
-
- 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
-
- [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && rm -fr -- "$DRACUT_KERNEL_LAZY_HASHDIR"
-}
-
-[[ "$kernel_current" ]] || export kernel_current=$(uname -r)
-
-module_is_host_only() {
- local _mod=$1
- local _modenc a i _k _s _v _aliases
- _mod=${_mod##*/}
- _mod=${_mod%.ko*}
- _modenc=${_mod//-/_}
-
- [[ " $add_drivers " == *\ ${_mod}\ * ]] && return 0
-
- # check if module is loaded
- [[ ${host_modules["$_modenc"]} ]] && return 0
-
- [[ "$kernel_current" ]] || export kernel_current=$(uname -r)
-
- if [[ "$kernel_current" != "$kernel" ]]; then
- # check if module is loadable on the current kernel
- # this covers the case, where a new module is introduced
- # or a module was renamed
- # or a module changed from builtin to a module
-
- if [[ -d /lib/modules/$kernel_current ]]; then
- # if the modinfo can be parsed, but the module
- # is not loaded, then we can safely return 1
- modinfo -F filename "$_mod" &>/dev/null && return 1
- fi
-
- _aliases=$(modinfo -k $kernel -F alias $_mod 2>/dev/null)
-
- # if the module has no aliases, install it
- [[ $_aliases ]] || return 0
-
- # finally check all modalias
- for a in $_aliases; do
- for i in "${!host_modalias[@]}"; do
- [[ $i == $a ]] && return 0
- done
- done
-
- fi
-
return 1
}
-find_kernel_modules_by_path () {
- local _OLDIFS
-
- [[ -f "$srcmods/modules.dep" ]] || return 0
-
- _OLDIFS=$IFS
- IFS=:
- while read a rest; do
- [[ $a = */$1/* ]] || [[ $a = updates/* ]] || continue
- printf "%s\n" "$srcmods/$a"
- done < "$srcmods/modules.dep"
- IFS=$_OLDIFS
- return 0
-}
-
-find_kernel_modules () {
- find_kernel_modules_by_path drivers
+# block_is_netdevice <maj:min>
+# Check whether $1 is a net device
+block_is_netdevice() {
+ block_is_nbd "$1" || block_is_iscsi "$1" || block_is_fcoe "$1"
}
-# 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"
-instmods() {
- [[ $no_kernel = yes ]] && return
- # called [sub]functions inherit _fderr
- local _fderr=9
- local _check=no
- local _silent=no
- if [[ $1 = '-c' ]]; then
- _check=yes
- shift
- fi
-
- if [[ $1 = '-s' ]]; then
- _silent=yes
- shift
- fi
-
- function inst1mod() {
- local _ret=0 _mod="$1"
- case $_mod in
- =*)
- ( [[ "$_mpargs" ]] && echo $_mpargs
- find_kernel_modules_by_path "${_mod#=}" ) \
- | instmods
- ((_ret+=$?))
+# convert the driver name given by udevadm to the corresponding kernel module name
+get_module_name() {
+ local dev_driver
+ while read -r dev_driver; do
+ case "$dev_driver" in
+ mmcblk)
+ echo "mmc_block"
;;
- --*) _mpargs+=" $_mod" ;;
*)
- _mod=${_mod##*/}
- # Check for aliased modules
- _modalias=$(modinfo -k $kernel -F filename $_mod 2> /dev/null)
- _modalias=${_modalias%.ko*}
- if [[ $_modalias ]] && [ "${_modalias##*/}" != "${_mod%.ko*}" ] ; then
- _mod=${_modalias##*/}
- fi
-
- # if we are already installed, skip this module and go on
- # to the next one.
- if [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && \
- [[ -f "$DRACUT_KERNEL_LAZY_HASHDIR/${_mod%.ko*}" ]]; then
- read _ret <"$DRACUT_KERNEL_LAZY_HASHDIR/${_mod%.ko*}"
- return $_ret
- fi
-
- _mod=${_mod/-/_}
- if [[ $omit_drivers ]] && [[ "$_mod" =~ $omit_drivers ]]; then
- dinfo "Omitting driver ${_mod##$srcmods}"
- return 0
- fi
-
- # If we are building a host-specific initramfs and this
- # module is not already loaded, move on to the next one.
- [[ $hostonly ]] \
- && ! module_is_host_only "$_mod" \
- && return 0
-
- if [[ "$_check" = "yes" ]] || ! [[ $DRACUT_KERNEL_LAZY_HASHDIR ]]; then
- # We use '-d' option in modprobe only if modules prefix path
- # differs from default '/'. This allows us to use dracut with
- # old version of modprobe which doesn't have '-d' option.
- local _moddirname=${srcmods%%/lib/modules/*}
- [[ -n ${_moddirname} ]] && _moddirname="-d ${_moddirname}/"
-
- # ok, load the module, all its dependencies, and any firmware
- # it may require
- for_each_kmod_dep install_kmod_with_fw $_mod \
- --set-version $kernel ${_moddirname} $_mpargs
- ((_ret+=$?))
- else
- [[ $DRACUT_KERNEL_LAZY_HASHDIR ]] && \
- echo ${_mod%.ko*} >> "$DRACUT_KERNEL_LAZY_HASHDIR/lazylist"
- fi
+ echo "$dev_driver"
;;
esac
- return $_ret
- }
-
- function instmods_1() {
- local _mod _mpargs
- if (($# == 0)); then # filenames from stdin
- while read _mod; do
- inst1mod "${_mod%.ko*}" || {
- if [[ "$_check" == "yes" ]] && [[ "$_silent" == "no" ]]; then
- dfatal "Failed to install module $_mod"
- fi
- }
- done
- fi
- while (($# > 0)); do # filenames as arguments
- inst1mod ${1%.ko*} || {
- if [[ "$_check" == "yes" ]] && [[ "$_silent" == "no" ]]; then
- dfatal "Failed to install module $1"
- fi
- }
- shift
- done
- return 0
- }
-
- local _ret _filter_not_found='FATAL: Module .* not found.'
- # Capture all stderr from modprobe to _fderr. We could use {var}>...
- # redirections, but that would make dracut require bash4 at least.
- eval "( instmods_1 \"\$@\" ) ${_fderr}>&1" \
- | while read line; do [[ "$line" =~ $_filter_not_found ]] || echo $line;done | derror
- _ret=$?
- return $_ret
-}
-
-check_kernel_config()
-{
- local _config_opt="$1"
- local _config_file
- [[ -f /boot/config-$kernel ]] \
- && _config_file="/boot/config-$kernel"
- [[ -f /lib/modules/$kernel/config ]] \
- && _config_file="/lib/modules/$kernel/config"
-
- # no kernel config file, so return true
- [[ $_config_file ]] || return 0
-
- grep -q -F "${_config_opt}=" "$_config_file" && return 0
- return 1
+ done
}
+# get the corresponding kernel modules of a /sys/class/*/* or/dev/* device
+get_dev_module() {
+ local dev_attr_walk
+ local dev_drivers
+ local dev_paths
+ dev_attr_walk=$(udevadm info -a "$1")
+ dev_drivers=$(echo "$dev_attr_walk" \
+ | sed -n 's/\s*DRIVERS=="\(\S\+\)"/\1/p' \
+ | get_module_name)
+
+ # also return modalias info from sysfs paths parsed by udevadm
+ dev_paths=$(echo "$dev_attr_walk" | sed -n 's/.*\(\/devices\/.*\)'\'':/\1/p')
+ local dev_path
+ for dev_path in $dev_paths; do
+ local modalias_file="/sys$dev_path/modalias"
+ if [ -e "$modalias_file" ]; then
+ dev_drivers="$(printf "%s\n%s" "$dev_drivers" "$(cat "$modalias_file")")"
+ fi
+ done
-# get_cpu_vendor
-# Only two values are returned: AMD or Intel
-get_cpu_vendor ()
-{
- if grep -qE AMD /proc/cpuinfo; then
- printf "AMD"
+ # if no kernel modules found and device is in a virtual subsystem, follow symlinks
+ if [[ -z $dev_drivers && $(udevadm info -q path "$1") == "/devices/virtual"* ]]; then
+ local dev_vkernel
+ local dev_vsubsystem
+ local dev_vpath
+ dev_vkernel=$(echo "$dev_attr_walk" | sed -n 's/\s*KERNELS=="\(\S\+\)"/\1/p' | tail -1)
+ dev_vsubsystem=$(echo "$dev_attr_walk" | sed -n 's/\s*SUBSYSTEMS=="\(\S\+\)"/\1/p' | tail -1)
+ dev_vpath="/sys/devices/virtual/$dev_vsubsystem/$dev_vkernel"
+ if [[ -n $dev_vkernel && -n $dev_vsubsystem && -d $dev_vpath ]]; then
+ local dev_links
+ local dev_link
+ dev_links=$(find "$dev_vpath" -maxdepth 1 -type l ! -name "subsystem" -exec readlink {} \;)
+ for dev_link in $dev_links; do
+ [[ -n $dev_drivers && ${dev_drivers: -1} != $'\n' ]] && dev_drivers+=$'\n'
+ dev_drivers+=$(udevadm info -a "$dev_vpath/$dev_link" \
+ | sed -n 's/\s*DRIVERS=="\(\S\+\)"/\1/p' \
+ | get_module_name \
+ | grep -v -e pcieport)
+ done
+ fi
fi
- if grep -qE Intel /proc/cpuinfo; then
- printf "Intel"
+ echo "$dev_drivers"
+}
+
+# Check if file is in PE format
+pe_file_format() {
+ if [[ $# -eq 1 ]]; then
+ local magic
+ magic=$(objdump -p "$1" \
+ | awk '{if ($1 == "Magic"){print strtonum("0x"$2)}}')
+ magic=$(printf "0x%x" "$magic")
+ # 0x10b (PE32), 0x20b (PE32+)
+ [[ $magic == 0x20b || $magic == 0x10b ]] && return 0
fi
+ return 1
}
-# get_host_ucode
-# Get the hosts' ucode file based on the /proc/cpuinfo
-get_ucode_file ()
-{
- local family=`grep -E "cpu family" /proc/cpuinfo | head -1 | sed s/.*:\ //`
- local model=`grep -E "model" /proc/cpuinfo |grep -v name | head -1 | sed s/.*:\ //`
- local stepping=`grep -E "stepping" /proc/cpuinfo | head -1 | sed s/.*:\ //`
-
- if [[ "$(get_cpu_vendor)" == "AMD" ]]; then
- # If family greater or equal than 0x15
- if [[ $family -ge 21 ]]; then
- printf "microcode_amd_fam15h.bin"
- else
- printf "microcode_amd.bin"
- fi
- fi
- if [[ "$(get_cpu_vendor)" == "Intel" ]]; then
- # The /proc/cpuinfo are in decimal.
- printf "%02x-%02x-%02x" ${family} ${model} ${stepping}
- fi
+# Get specific data from the PE header
+pe_get_header_data() {
+ local data_header
+ [[ $# -ne "2" ]] && return 1
+ [[ $(pe_file_format "$1") -eq 1 ]] && return 1
+ data_header=$(objdump -p "$1" \
+ | awk -v data="$2" '{if ($1 == data){print $2}}')
+ echo "$data_header"
}
-# Not every device in /dev/mapper should be examined.
-# If it is an LVM device, touch only devices which have /dev/VG/LV symlink.
-lvm_internal_dev() {
- local dev_dm_dir=/sys/dev/block/$1/dm
- [[ ! -f $dev_dm_dir/uuid || $(<$dev_dm_dir/uuid) != LVM-* ]] && return 1 # Not an LVM device
- local DM_VG_NAME DM_LV_NAME DM_LV_LAYER
- eval $(dmsetup splitname --nameprefixes --noheadings --rows "$(<$dev_dm_dir/name)" 2>/dev/null)
- [[ ${DM_VG_NAME} ]] && [[ ${DM_LV_NAME} ]] || return 0 # Better skip this!
- [[ ${DM_LV_LAYER} ]] || [[ ! -L /dev/${DM_VG_NAME}/${DM_LV_NAME} ]]
+# Get the SectionAlignment data from the PE header
+pe_get_section_align() {
+ local align_hex
+ [[ $# -ne "1" ]] && return 1
+ align_hex=$(pe_get_header_data "$1" "SectionAlignment")
+ [[ $? -eq 1 ]] && return 1
+ echo "$((16#$align_hex))"
}
+# Get the ImageBase data from the PE header
+pe_get_image_base() {
+ local base_image
+ [[ $# -ne "1" ]] && return 1
+ base_image=$(pe_get_header_data "$1" "ImageBase")
+ [[ $? -eq 1 ]] && return 1
+ echo "$((16#$base_image))"
+}