| Server IP : 185.124.137.30 / Your IP : 216.73.217.80 Web Server : LiteSpeed System : Linux id-dci-web1986.main-hosting.eu 5.14.0-611.26.1.el9_7.x86_64 #1 SMP PREEMPT_DYNAMIC Thu Jan 29 05:24:47 EST 2026 x86_64 User : u686484674 ( 686484674) PHP Version : 8.0.30 Disable Function : system, exec, shell_exec, passthru, mysql_list_dbs, ini_alter, dl, symlink, link, chgrp, leak, popen, apache_child_terminate, virtual, mb_send_mail MySQL : OFF | cURL : ON | WGET : ON | Perl : OFF | Python : OFF | Sudo : OFF | Pkexec : OFF Directory : /usr/lib/dracut/modules.d/97masterkey/ |
Upload File : |
#!/usr/bin/sh
# Licensed under the GPLv2
#
# Copyright (C) 2011 Politecnico di Torino, Italy
# TORSEC group -- http://security.polito.it
# Roberto Sassu <roberto.sassu@polito.it>
MASTERKEYSCONFIG="${NEWROOT}/etc/sysconfig/masterkey"
MULTIKERNELMODE="NO"
PCRLOCKNUM=11
load_masterkey() {
# read the configuration from the config file
# shellcheck disable=SC1090
[ -f "${MASTERKEYSCONFIG}" ] \
&& . "${MASTERKEYSCONFIG}"
# override the kernel master key path name from the 'masterkey=' parameter
# in the kernel command line
MASTERKEYARG=$(getarg masterkey=) && MASTERKEY=${MASTERKEYARG}
# override the kernel master key type from the 'masterkeytype=' parameter
# in the kernel command line
MASTERKEYTYPEARG=$(getarg masterkeytype=) && MASTERKEYTYPE=${MASTERKEYTYPEARG}
# set default values
[ -z "${MASTERKEYTYPE}" ] \
&& MASTERKEYTYPE="trusted"
if [ -z "${MASTERKEY}" ]; then
# append the kernel version to the default masterkey path name
# if MULTIKERNELMODE is set to YES
if [ "${MULTIKERNELMODE}" = "YES" ]; then
MASTERKEY="/etc/keys/kmk-${MASTERKEYTYPE}-$(uname -r).blob"
else
MASTERKEY="/etc/keys/kmk-${MASTERKEYTYPE}.blob"
fi
fi
# set the kernel master key path name
MASTERKEYPATH="${NEWROOT}${MASTERKEY}"
# check for kernel master key's existence
if [ ! -f "${MASTERKEYPATH}" ]; then
if [ "${RD_DEBUG}" = "yes" ]; then
info "masterkey: kernel master key file not found: ${MASTERKEYPATH}"
fi
return 1
fi
# read the kernel master key blob
KEYBLOB=$(cat "${MASTERKEYPATH}")
# add the 'load' prefix if the key type is 'trusted'
[ "${MASTERKEYTYPE}" = "trusted" ] \
&& KEYBLOB="load ${KEYBLOB} pcrlock=${PCRLOCKNUM}"
# load the kernel master key
info "Loading the kernel master key"
keyctl add "${MASTERKEYTYPE}" "kmk-${MASTERKEYTYPE}" "${KEYBLOB}" @u > /dev/null || {
info "masterkey: failed to load the kernel master key: kmk-${MASTERKEYTYPE}"
return 1
}
return 0
}
load_masterkey