Server IP : 162.241.126.129 / Your IP : 3.137.170.76 Web Server : Apache System : Linux 162-241-126-129.cprapid.com 4.18.0-477.27.2.el8_8.x86_64 #1 SMP Fri Sep 29 08:21:01 EDT 2023 x86_64 User : rvway5nu4 ( 1018) PHP Version : 7.4.33 Disable Function : NONE MySQL : OFF | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /bin/ |
Upload File : |
#!/bin/bash # # Copyright 2005-2010 Harald Hoyer <harald@redhat.com> # Copyright 2005-2010 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/>. # usage() { { echo "Usage: ${0##*/} [options] [<initramfs file> [<filename> [<filename> [...] ]]]" echo "Usage: ${0##*/} [options] -k <kernel version>" echo echo "-h, --help print a help message and exit." echo "-s, --size sort the contents of the initramfs by size." echo "-m, --mod list modules." echo "-f, --file <filename> print the contents of <filename>." echo "--unpack unpack the initramfs, instead of displaying the contents." echo " If optional filenames are given, will only unpack specified files," echo " else the whole image will be unpacked. Won't unpack anything from early cpio part." echo "--unpackearly unpack the early microcode part of the initramfs." echo " Same as --unpack, but only unpack files from early cpio part." echo "-v, --verbose unpack verbosely." echo "-k, --kver <kernel version> inspect the initramfs of <kernel version>." echo } >&2 } [[ $dracutbasedir ]] || dracutbasedir=/usr/lib/dracut sorted=0 modules=0 unset verbose declare -A filenames unset POSIXLY_CORRECT TEMP=$(getopt \ -o "vshmf:k:" \ --long kver: \ --long file: \ --long mod \ --long help \ --long size \ --long unpack \ --long unpackearly \ --long verbose \ -- "$@") if (( $? != 0 )); then usage exit 1 fi eval set -- "$TEMP" while (($# > 0)); do case $1 in -k|--kver) KERNEL_VERSION="$2"; shift;; -f|--file) filenames[${2#/}]=1; shift;; -s|--size) sorted=1;; -h|--help) usage; exit 0;; -m|--mod) modules=1;; -v|--verbose) verbose="--verbose";; --unpack) unpack=1;; --unpackearly) unpackearly=1;; --) shift;break;; *) usage; exit 1;; esac shift done [[ $KERNEL_VERSION ]] || KERNEL_VERSION="$(uname -r)" if [[ $1 ]]; then image="$1" if ! [[ -f "$image" ]]; then { echo "$image does not exist" echo } >&2 usage exit 1 fi else [[ -f /etc/machine-id ]] && read MACHINE_ID < /etc/machine-id if [[ -d /boot/loader/entries || -L /boot/loader/entries ]] \ && [[ $MACHINE_ID ]] \ && [[ -d /boot/${MACHINE_ID} || -L /boot/${MACHINE_ID} ]] ; then image="/boot/${MACHINE_ID}/${KERNEL_VERSION}/initrd" else image="/boot/initramfs-${KERNEL_VERSION}.img" fi fi shift while (($# > 0)); do filenames[${1#/}]=1; shift done if ! [[ -f "$image" ]]; then { echo "No <initramfs file> specified and the default image '$image' cannot be accessed!" echo } >&2 usage exit 1 fi dracutlibdirs() { for d in lib64/dracut lib/dracut usr/lib64/dracut usr/lib/dracut; do echo "$d/$1" done } extract_files() { (( ${#filenames[@]} == 1 )) && nofileinfo=1 for f in "${!filenames[@]}"; do [[ $nofileinfo ]] || echo "initramfs:/$f" [[ $nofileinfo ]] || echo "========================================================================" $CAT "$image" 2>/dev/null | cpio --extract --verbose --quiet --to-stdout "$f" 2>/dev/null ((ret+=$?)) [[ $nofileinfo ]] || echo "========================================================================" [[ $nofileinfo ]] || echo done } list_modules() { echo "dracut modules:" $CAT "$image" | cpio --extract --verbose --quiet --to-stdout -- \ $(dracutlibdirs modules.txt) 2>/dev/null ((ret+=$?)) } list_files() { echo "========================================================================" if [ "$sorted" -eq 1 ]; then $CAT "$image" 2>/dev/null | cpio --extract --verbose --quiet --list | sort -n -k5 else $CAT "$image" 2>/dev/null | cpio --extract --verbose --quiet --list | sort -k9 fi ((ret+=$?)) echo "========================================================================" } list_squash_content() { SQUASH_IMG="squash-root.img" SQUASH_TMPFILE="$(mktemp -t --suffix=.root.sqsh lsinitrd.XXXXXX)" trap "rm -f '$SQUASH_TMPFILE'" EXIT $CAT "$image" 2>/dev/null | cpio --extract --verbose --quiet --to-stdout -- \ $SQUASH_IMG > "$SQUASH_TMPFILE" 2>/dev/null if [[ -s $SQUASH_TMPFILE ]]; then echo "Squashed content ($SQUASH_IMG):" echo "========================================================================" unsquashfs -ll "$SQUASH_TMPFILE" | tail -n +4 echo "========================================================================" fi } unpack_files() { if (( ${#filenames[@]} > 0 )); then for f in "${!filenames[@]}"; do $CAT "$image" 2>/dev/null | cpio -id --quiet $verbose $f ((ret+=$?)) done else $CAT "$image" 2>/dev/null | cpio -id --quiet $verbose ((ret+=$?)) fi } if (( ${#filenames[@]} <= 0 )) && [[ -z "$unpack" ]] && [[ -z "$unpackearly" ]]; then echo "Image: $image: $(du -h $image | while read a b || [ -n "$a" ]; do echo $a;done)" echo "========================================================================" fi read -N 6 bin < "$image" case $bin in $'\x71\xc7'*|070701) CAT="cat --" is_early=$(cpio --extract --verbose --quiet --to-stdout -- 'early_cpio' < "$image" 2>/dev/null) if [[ "$is_early" ]]; then if [[ -n "$unpack" ]]; then # should use --unpackearly for early CPIO : elif [[ -n "$unpackearly" ]]; then unpack_files elif (( ${#filenames[@]} > 0 )); then extract_files else echo "Early CPIO image" list_files fi if [[ -d "$dracutbasedir/skipcpio" ]]; then SKIP="$dracutbasedir/skipcpio/skipcpio" else SKIP="$dracutbasedir/skipcpio" fi if ! [[ -x $SKIP ]]; then echo echo "'$SKIP' not found, cannot display remaining contents!" >&2 echo exit 0 fi fi ;; esac if [[ $SKIP ]] ; then bin="$($SKIP "$image" | { read -N 6 bin && echo "$bin" ; })" else read -N 6 bin < "$image" fi case $bin in $'\x1f\x8b'*) CAT="zcat --" ;; BZh*) CAT="bzcat --" ;; $'\x71\xc7'*|070701) CAT="cat --" ;; $'\x02\x21'*) CAT="lz4 -d -c" ;; $'\x89'LZO$'\0'*) CAT="lzop -d -c" ;; $'\x28\xB5\x2F\xFD'*) CAT="zstd -d -c" ;; *) if echo "test"|xz|xzcat --single-stream >/dev/null 2>&1; then CAT="xzcat --single-stream --" else CAT="xzcat --" fi ;; esac skipcpio() { $SKIP "$@" | $ORIG_CAT } if [[ $SKIP ]]; then ORIG_CAT="$CAT" CAT=skipcpio fi if (( ${#filenames[@]} > 1 )); then TMPFILE="$(mktemp -t --suffix=.cpio lsinitrd.XXXXXX)" $CAT "$image" 2>/dev/null > $TMPFILE trap "rm -f '$TMPFILE'" EXIT pre_decompress() { cat $TMPFILE } CAT=pre_decompress fi ret=0 if [[ -n "$unpack" ]]; then unpack_files elif (( ${#filenames[@]} > 0 )); then extract_files else version=$($CAT "$image" | cpio --extract --verbose --quiet --to-stdout -- \ $(dracutlibdirs 'dracut-*') 2>/dev/null) ((ret+=$?)) echo "Version: $version" echo if [ "$modules" -eq 1 ]; then list_modules echo "========================================================================" else echo -n "Arguments: " $CAT "$image" | cpio --extract --verbose --quiet --to-stdout -- \ $(dracutlibdirs build-parameter.txt) 2>/dev/null echo list_modules list_files list_squash_content fi fi exit $ret