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#!/bin/bash
# This file is part of dracut.
# SPDX-License-Identifier: GPL-2.0-or-later
# Prerequisite check(s) for module.
check() {
# If the binary(s) requirements are not fulfilled the module can't be installed.
require_binaries tpm2 || return 1
# Return 255 to only include the module, if another module requires it.
return 255
}
# Module dependency requirements.
depends() {
# This module has external dependency on other module(s).
echo systemd-sysusers systemd-udevd
# Return 0 to include the dependent module(s) in the initramfs.
return 0
}
# Install kernel module(s).
installkernel() {
hostonly=$(optional_hostonly) instmods '=drivers/char/tpm'
}
# Install the required file(s) and directories for the module in the initramfs.
install() {
inst_sysusers tpm2-tss.conf
inst_sysusers system-user-tss.conf
grep -s '^tss:' "${dracutsysrootdir-}"/etc/passwd >> "$initdir/etc/passwd"
grep -s '^tss:' "${dracutsysrootdir-}"/etc/group >> "$initdir/etc/group"
inst_multiple -o \
"$tmpfilesdir"/tpm2-tss-fapi.conf \
"$udevrulesdir"/60-tpm-udev.rules \
"$udevrulesdir"/90-tpm.rules \
"$systemdutildir"/system-generators/systemd-tpm2-generator \
"$systemdsystemunitdir/tpm2.target" \
tpm2_pcrread tpm2_pcrextend tpm2_createprimary tpm2_createpolicy \
tpm2_create tpm2_load tpm2_unseal tpm2
# Install library file(s)
_arch=${DRACUT_ARCH:-$(uname -m)}
inst_libdir_file \
{"tls/$_arch/",tls/,"$_arch/",}"libtss2-esys.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libtss2-fapi.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libtss2-mu.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libtss2-rc.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libtss2-sys.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libtss2-tcti-cmd.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libtss2-tcti-device.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libtss2-tcti-mssim.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libtss2-tcti-swtpm.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libtss2-tctildr.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libcryptsetup.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"/cryptsetup/libcryptsetup-token-systemd-tpm2.so" \
{"tls/$_arch/",tls/,"$_arch/",}"libcurl.so.*" \
{"tls/$_arch/",tls/,"$_arch/",}"libjson-c.so.*"
}
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