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#!/bin/bash
# called by dracut
check() {
return 255
}
# called by dracut
installkernel() {
local _fipsmodules _mod _bootfstype
if [[ -f "${srcmods}/modules.fips" ]]; then
read -d '' -r _fipsmodules < "${srcmods}/modules.fips"
else
_fipsmodules=""
# Hashes:
_fipsmodules+="sha1 sha224 sha256 sha384 sha512 "
_fipsmodules+="sha3-224 sha3-256 sha3-384 sha3-512 "
_fipsmodules+="crc32c crct10dif ghash "
# Ciphers:
_fipsmodules+="cipher_null des3_ede aes cfb dh ecdh "
# Modes/templates:
_fipsmodules+="ecb cbc ctr xts gcm ccm authenc hmac cmac ofb cts "
# Compression algs:
_fipsmodules+="deflate lzo "
# PRNG algs:
_fipsmodules+="ansi_cprng "
# Misc:
_fipsmodules+="aead cryptomgr tcrypt crypto_user "
fi
for _mod in $_fipsmodules; do
if hostonly='' instmods -c -s "$_mod"; then
echo "$_mod" >> "${initdir}/etc/fipsmodules"
echo "blacklist $_mod" >> "${initdir}/etc/fips.conf"
fi
done
# with hostonly_default_device fs module for /boot is not installed by default
if [[ $hostonly ]] && [[ $hostonly_default_device == "no" ]]; then
_bootfstype=$(find_mp_fstype /boot)
if [[ -n $_bootfstype ]]; then
hostonly='' instmods "$_bootfstype"
else
dwarning "Can't determine fs type for /boot, FIPS check may fail."
fi
fi
}
# called by dracut
install() {
inst_hook pre-pivot 00 "$moddir/fips-boot.sh"
inst_hook pre-pivot 01 "$moddir/fips-noboot.sh"
inst_hook pre-udev 01 "$moddir/fips-load-crypto.sh"
inst_script "$moddir/fips.sh" /sbin/fips.sh
inst_multiple sha512hmac rmmod insmod mount uname umount grep sed cut find sort cat tail tr
inst_simple /etc/system-fips
# if we have openssl we need to install their fips library and configuration
[ -x /usr/bin/openssl ] && {
read -r _ conf < <(openssl version -d)
conf=${conf#\"}
conf=${conf%\"}
inst_simple "${moddir}/openssl.cnf" "$conf/openssl.cnf"
read -r _ mod < <(openssl version -m)
mod=${mod#\"}
mod=${mod%\"}
inst_simple "$mod/fips.so"
}
}
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