# is_func <command>
# Check whether $1 is a function.
is_func() {
- [[ "$(type -t "$1")" = "function" ]]
+ [[ "$(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
# shellcheck disable=SC2053
-strglob() { [[ $1 = $2 ]]; }
+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"}" != "$1" ]; }
+trim() {
+ local var="$*"
+ 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() {
local p
[[ -z ${1##/*} ]] || _delim="/"
- if [[ "$1" == *.so* ]]; then
+ if [[ $1 == *.so* ]]; then
# shellcheck disable=SC2154
for l in $libdirs; do
_path="${l}${_delim}${1}"
return 0
fi
fi
- if [[ "$1" == */* ]]; then
+ if [[ $1 == */* ]]; then
_path="${_delim}${1}"
if [[ -L ${dracutsysrootdir}${_path} ]] || [[ -x ${dracutsysrootdir}${_path} ]]; then
printf "%s\n" "${_path}"
fi
done
- [[ -n "$dracutsysrootdir" ]] && return 1
+ [[ -n $dracutsysrootdir ]] && return 1
type -P "${1##*/}"
}
# $3 = version b
vercmp() {
local _n1
- read -a _n1 <<< "${1//./ }"
+ read -r -a _n1 <<< "${1//./ }"
local _op=$2
local _n2
- read -a _n2 <<< "${3//./ }"
+ read -r -a _n2 <<< "${3//./ }"
local _i _res
for ((_i = 0; ; _i++)); do
# $ 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" ]] && {
+ [[ $1 == "$2" ]] && {
printf "%s\n" "${1##*/}"
return
}
# corner case #2 - own dir link
- [[ "${1%/*}" == "$2" ]] && {
+ [[ ${1%/*} == "$2" ]] && {
printf ".\n"
return
}
- read -d '/' -r -a __current <<< "$1"
- read -d '/' -a __absolute <<< "$2"
+ IFS=/ read -r -a __current <<< "$1"
+ IFS=/ read -r -a __absolute <<< "$2"
__abssize=${#__absolute[@]}
__cursize=${#__current[@]}
- while [[ "${__absolute[__level]}" == "${__current[__level]}" ]]; do
+ while [[ ${__absolute[__level]} == "${__current[__level]}" ]]; do
((__level++))
if ((__level > __abssize || __level > __cursize)); then
break
[[ $1 ]] || return
unset ID_FS_TYPE
ID_FS_TYPE=$(blkid -u filesystem -o export -- "$1" \
- | while read line || [ -n "$line" ]; do
- if [[ "$line" == TYPE\=* ]]; then
+ | while read -r line || [ -n "$line" ]; do
+ if [[ $line == "TYPE="* ]]; then
printf "%s" "${line#TYPE=}"
exit 0
fi
# 8:2
get_maj_min() {
local _majmin
- _majmin="$(stat -L -c '%t:%T' "$1" 2> /dev/null)"
- printf "%s" "$((0x${_majmin%:*})):$((0x${_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 "$_out"
}
# get_devpath_block <device>
_majmin=$(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
_dev=$(get_maj_min "$1")
[ -z "$_dev" ] && return
- if [[ -n "$persistent_policy" ]]; then
+ if [[ -n $persistent_policy ]]; then
_pol="/dev/disk/${persistent_policy}/*"
else
_pol=
/dev/disk/by-partlabel/* \
/dev/disk/by-id/* \
/dev/disk/by-path/*; do
- [[ -e "$i" ]] || continue
+ [[ -e $i ]] || continue
[[ $i == /dev/mapper/control ]] && continue
[[ $i == /dev/mapper/mpath* ]] && continue
_tmp=$(get_maj_min "$i")
if [[ $use_fstab != yes ]]; then
[[ -d $_find_mpt/. ]]
findmnt -e -v -n -o 'MAJ:MIN,SOURCE' --target "$_find_mpt" | {
- while read _majmin _dev || [ -n "$_dev" ]; do
+ while read -r _majmin _dev || [ -n "$_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
} && 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 || [ -n "$_dev" ]; do
+ while read -r _majmin _dev || [ -n "$_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
if [[ $use_fstab != yes ]]; then
findmnt -e -v -n -o 'FSTYPE' --target "$1" | {
- while read _fs || [ -n "$_fs" ]; do
+ while read -r _fs || [ -n "$_fs" ]; do
[[ $_fs ]] || continue
- [[ $_fs = "autofs" ]] && continue
+ [[ $_fs == "autofs" ]] && continue
printf "%s" "$_fs"
return 0
done
} && return 0
fi
+ [[ ! -f "$dracutsysrootdir"/etc/fstab ]] && return 1
+
findmnt --fstab -e -v -n -o 'FSTYPE' --target "$1" | {
- while read _fs || [ -n "$_fs" ]; do
+ while read -r _fs || [ -n "$_fs" ]; do
[[ $_fs ]] || continue
- [[ $_fs = "autofs" ]] && continue
+ [[ $_fs == "autofs" ]] && continue
printf "%s" "$_fs"
return 0
done
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 || [ -n "$_fs" ]; do
+ while read -r _fs || [ -n "$_fs" ]; do
[[ $_fs ]] || continue
- [[ $_fs = "autofs" ]] && continue
+ [[ $_fs == "autofs" ]] && continue
printf "%s" "$_fs"
return 0
done
} && return 0
fi
+ [[ ! -f "$dracutsysrootdir"/etc/fstab ]] && return 1
+
findmnt --fstab -e -v -n -o 'FSTYPE' --source "$_find_dev" | {
- while read _fs || [ -n "$_fs" ]; do
+ while read -r _fs || [ -n "$_fs" ]; do
[[ $_fs ]] || continue
- [[ $_fs = "autofs" ]] && continue
+ [[ $_fs == "autofs" ]] && continue
printf "%s" "$_fs"
return 0
done
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"
}
find_dev_fsopts() {
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/$_find_dev"
fi
findmnt -e -v -n -o 'OPTIONS' --source "$_find_dev" 2> /dev/null && return 0
fi
+ [[ ! -f "$dracutsysrootdir"/etc/fstab ]] && return 1
+
findmnt --fstab -e -v -n -o 'OPTIONS' --source "$_find_dev"
}
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 ]] && [[ /sys/dev/block/$2/../subsystem -ef /sys/class/block ]]; then
- check_block_and_slaves $1 $(< "/sys/dev/block/$2/../dev") && return 0
+ check_block_and_slaves "$1" "$(< "/sys/dev/block/$2/../dev")" && return 0
fi
- for _x in /sys/dev/block/$2/slaves/*; do
+ 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
+ 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" "$2"; then
_ret=0
fi
check_vol_slaves_all "$@" && 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
+ check_block_and_slaves_all "$1" "$(< "/sys/dev/block/$2/../dev")" && _ret=0
fi
- for _x in /sys/dev/block/$2/slaves/*; do
+ 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
+ check_block_and_slaves_all "$1" "$(< "$_x/dev")" && _ret=0
done
return $_ret
}
[[ "${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
+ [[ -b $_dev ]] || continue
+ if check_block_and_slaves_all "$_func" "$(get_maj_min "$_dev")"; then
_ret=0
fi
done
[[ "${host_devs[*]}" ]] || return 2
for _dev in "${host_devs[@]}"; do
- [[ -b "$_dev" ]] || continue
- check_block_and_slaves $_func $(get_maj_min $_dev) && return 0
+ [[ -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 _majmin
+ local _vg _pv _dm _majmin
_majmin="$2"
- _lv="/dev/block/$_majmin"
_dm=/sys/dev/block/$_majmin/dm
- [[ -f $_dm/uuid && $(< $_dm/uuid) =~ LVM-* ]] || return 1
- _vg=$(dmsetup splitname --noheadings -o vg_name $(< "$_dm/name"))
+ [[ -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
+ check_block_and_slaves "$1" "$(get_maj_min "$_pv")" && return 0
done
fi
return 1
}
check_vol_slaves_all() {
- local _lv _vg _pv _majmin
+ local _vg _pv _majmin
_majmin="$2"
- _lv="/dev/block/$_majmin"
_dm="/sys/dev/block/$_majmin/dm"
- [[ -f $_dm/uuid && $(< $_dm/uuid) =~ LVM-* ]] || return 1
- _vg=$(dmsetup splitname --noheadings -o vg_name $(< "$_dm/name"))
+ [[ -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
- lvm lvs --noheadings -o vg_name $_vg 2> /dev/null 1> /dev/null
- if [ $? -ne 0 ]; then
+ if ! lvm lvs --noheadings -o vg_name "$_vg" 2> /dev/null 1> /dev/null; then
return 1
fi
for _pv in $(lvm vgs --noheadings -o pv_name "$_vg" 2> /dev/null); do
- check_block_and_slaves_all $1 $(get_maj_min $_pv)
+ check_block_and_slaves_all "$1" "$(get_maj_min "$_pv")"
done
return 0
fi
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
# 0 if the kernel module is either built-in or available
# 1 if the kernel module is not enabled
check_kernel_module() {
- modprobe -S $kernel --dry-run $1 &> /dev/null || return 1
+ modprobe -d "$dracutsysrootdir" -S "$kernel" --dry-run "$1" &> /dev/null || return 1
}
# get_cpu_vendor
# get_host_ucode
# Get the hosts' ucode file based on the /proc/cpuinfo
get_ucode_file() {
- local family=$(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/.*:\ //)
+ 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=$(grep -E "stepping" /proc/cpuinfo | head -1 | sed "s/.*:\ //")
if [[ "$(get_cpu_vendor)" == "AMD" ]]; then
if [[ $family -ge 21 ]]; then
- printf "microcode_amd_fam%xh.bin" $family
+ printf "microcode_amd_fam%xh.bin" "$family"
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} ${stepping}
+ printf "%02x-%02x-%02x" "${family}" "${model}" "${stepping}"
fi
}
# 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
+ [[ ! -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 $(dmsetup splitname --nameprefixes --noheadings --rows "$(< $dev_dm_dir/name)" 2> /dev/null)
+ eval "$(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} ]]
}
btrfs_devs() {
local _mp="$1"
btrfs device usage "$_mp" \
- | while read _dev _rest; do
+ | while read -r _dev _; do
str_starts "$_dev" "/" || continue
_dev=${_dev%,}
printf -- "%s\n" "$_dev"
done
}
+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
+}
+
iface_for_remote_addr() {
+ # shellcheck disable=SC2046
set -- $(ip -o route get to "$1")
- echo $3
+ while [ $# -gt 0 ]; do
+ case $1 in
+ dev)
+ echo "$2"
+ return
+ ;;
+ esac
+ shift
+ done
}
local_addr_for_remote_addr() {
+ # shellcheck disable=SC2046
set -- $(ip -o route get to "$1")
- echo $5
+ while [ $# -gt 0 ]; do
+ case $1 in
+ src)
+ echo "$2"
+ return
+ ;;
+ esac
+ shift
+ done
}
peer_for_addr() {
# remote address can be reached
ip_params_for_remote_addr() {
local remote_addr=$1
- local ifname local_addr peer netmask= gateway ifmac
+ local ifname local_addr peer netmask gateway ifmac
[[ $remote_addr ]] || return 1
ifname=$(iface_for_remote_addr "$remote_addr")
}
# block_is_iscsi <maj:min>
-# Check whether $1 is an nbd device
+# Check whether $1 is an iSCSI device
block_is_iscsi() {
local _dir
local _dev=$1
until [[ -d "$_dir/sys" ]]; do
_dir="$_dir/.."
if [[ -d "$_dir/subsystem" ]]; then
- subsystem=$(basename $(readlink $_dir/subsystem))
+ subsystem=$(basename "$(readlink "$_dir"/subsystem)")
[[ $subsystem == "fcoe" ]] && return 0
fi
done
block_is_nbd "$1" || block_is_iscsi "$1" || block_is_fcoe "$1"
}
+# convert the driver name given by udevadm to the corresponding kernel module name
+get_module_name() {
+ local dev_driver
+ while read -r dev_driver; do
+ case "$dev_driver" in
+ mmcblk)
+ echo "mmc_block"
+ ;;
+ *)
+ echo "$dev_driver"
+ ;;
+ esac
+ done
+}
+
# get the corresponding kernel modules of a /sys/class/*/* or/dev/* device
get_dev_module() {
- udevadm info -a "$1" | sed -n 's/\s*DRIVERS=="\(\S\+\)"/\1/p'
+ 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
+
+ # 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
+ echo "$dev_drivers"
+}
+
+# Check if file is in PE format
+pe_file_format() {
+ if [[ $# -eq 1 ]]; then
+ local magic
+ magic=$(objdump -p "$1" \
+ | gawk '{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 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"
+}
+
+# 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))"
}
projects / thirdparty / dracut.git / blobdiff