units: add units that put together and install a TPM2 PCR policy at boot

(This is disabled by default, for now)

units/meson.build

@@ -477,6 +477,34 @@ units = [
           'conditions' : ['ENABLE_BOOTLOADER', 'HAVE_OPENSSL', 'HAVE_TPM2'],
           'symlinks' : ['sysinit.target.wants/'],
         },
+        {
+          'file' : 'systemd-pcrlock-make-policy.service.in',
+          'conditions' : ['ENABLE_BOOTLOADER', 'HAVE_OPENSSL', 'HAVE_TPM2'],
+        },
+        {
+          'file' : 'systemd-pcrlock-secureboot-policy.service.in',
+          'conditions' : ['ENABLE_BOOTLOADER', 'HAVE_OPENSSL', 'HAVE_TPM2'],
+        },
+        {
+          'file' : 'systemd-pcrlock-secureboot-authority.service.in',
+          'conditions' : ['ENABLE_BOOTLOADER', 'HAVE_OPENSSL', 'HAVE_TPM2'],
+        },
+        {
+          'file' : 'systemd-pcrlock-file-system.service.in',
+          'conditions' : ['ENABLE_BOOTLOADER', 'HAVE_OPENSSL', 'HAVE_TPM2'],
+        },
+        {
+          'file' : 'systemd-pcrlock-machine-id.service.in',
+          'conditions' : ['ENABLE_BOOTLOADER', 'HAVE_OPENSSL', 'HAVE_TPM2'],
+        },
+        {
+          'file' : 'systemd-pcrlock-firmware-code.service.in',
+          'conditions' : ['ENABLE_BOOTLOADER', 'HAVE_OPENSSL', 'HAVE_TPM2'],
+        },
+        {
+          'file' : 'systemd-pcrlock-firmware-config.service.in',
+          'conditions' : ['ENABLE_BOOTLOADER', 'HAVE_OPENSSL', 'HAVE_TPM2'],
+        },
         {
           'file' : 'systemd-portabled.service.in',
           'conditions' : ['ENABLE_PORTABLED'],

units/systemd-pcrlock-file-system.service.in

@@ -0,0 +1,25 @@
+#  SPDX-License-Identifier: LGPL-2.1-or-later
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Lock File Systems to TPM2 PCR Policy
+Documentation=man:systemd-pcrlock(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+Before=sysinit.target shutdown.target systemd-pcrlock-make-policy.service
+ConditionPathExists=!/etc/initrd-release
+ConditionSecurity=measured-uki
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart={{LIBEXECDIR}}/systemd-pcrlock lock-file-system
+
+[Install]
+WantedBy=sysinit.target

units/systemd-pcrlock-firmware-code.service.in

@@ -0,0 +1,26 @@
+#  SPDX-License-Identifier: LGPL-2.1-or-later
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Lock Firmware Code to TPM2 PCR Policy
+Documentation=man:systemd-pcrlock(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+After=systemd-tpm2-setup.service
+Before=sysinit.target shutdown.target systemd-pcrlock-make-policy.service
+ConditionPathExists=!/etc/initrd-release
+ConditionSecurity=measured-uki
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart={{LIBEXECDIR}}/systemd-pcrlock lock-firmware-code
+
+[Install]
+WantedBy=sysinit.target

units/systemd-pcrlock-firmware-config.service.in

@@ -0,0 +1,26 @@
+#  SPDX-License-Identifier: LGPL-2.1-or-later
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Lock Firmware Configuration to TPM2 PCR Policy
+Documentation=man:systemd-pcrlock(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+After=systemd-tpm2-setup.service
+Before=sysinit.target shutdown.target systemd-pcrlock-make-policy.service
+ConditionPathExists=!/etc/initrd-release
+ConditionSecurity=measured-uki
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart={{LIBEXECDIR}}/systemd-pcrlock lock-firmware-config
+
+[Install]
+WantedBy=sysinit.target

units/systemd-pcrlock-machine-id.service.in

@@ -0,0 +1,25 @@
+#  SPDX-License-Identifier: LGPL-2.1-or-later
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Lock Machine ID to TPM2 PCR Policy
+Documentation=man:systemd-pcrlock(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+Before=sysinit.target shutdown.target systemd-pcrlock-make-policy.service
+ConditionPathExists=!/etc/initrd-release
+ConditionSecurity=measured-uki
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart={{LIBEXECDIR}}/systemd-pcrlock lock-machine-id
+
+[Install]
+WantedBy=sysinit.target

units/systemd-pcrlock-make-policy.service.in

@@ -0,0 +1,26 @@
+#  SPDX-License-Identifier: LGPL-2.1-or-later
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Make TPM2 PCR Policy
+Documentation=man:systemd-pcrlock(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+After=systemd-tpm2-setup.service
+Before=sysinit.target shutdown.target
+ConditionPathExists=!/etc/initrd-release
+ConditionSecurity=measured-uki
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart={{LIBEXECDIR}}/systemd-pcrlock make-policy --location=770
+
+[Install]
+WantedBy=sysinit.target

units/systemd-pcrlock-secureboot-authority.service.in

@@ -0,0 +1,26 @@
+#  SPDX-License-Identifier: LGPL-2.1-or-later
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Lock UEFI SecureBoot Authority to TPM2 PCR Policy
+Documentation=man:systemd-pcrlock(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+After=systemd-tpm2-setup.service
+Before=sysinit.target shutdown.target systemd-pcrlock-make-policy.service
+ConditionPathExists=!/etc/initrd-release
+ConditionSecurity=measured-uki
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart={{LIBEXECDIR}}/systemd-pcrlock lock-secureboot-authority
+
+[Install]
+WantedBy=sysinit.target

units/systemd-pcrlock-secureboot-policy.service.in

@@ -0,0 +1,26 @@
+#  SPDX-License-Identifier: LGPL-2.1-or-later
+#
+#  This file is part of systemd.
+#
+#  systemd is free software; you can redistribute it and/or modify it
+#  under the terms of the GNU Lesser General Public License as published by
+#  the Free Software Foundation; either version 2.1 of the License, or
+#  (at your option) any later version.
+
+[Unit]
+Description=Lock UEFI SecureBoot Policy to TPM2 PCR Policy
+Documentation=man:systemd-pcrlock(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+After=systemd-tpm2-setup.service
+Before=sysinit.target shutdown.target systemd-pcrlock-make-policy.service
+ConditionPathExists=!/etc/initrd-release
+ConditionSecurity=measured-uki
+
+[Service]
+Type=oneshot
+RemainAfterExit=yes
+ExecStart={{LIBEXECDIR}}/systemd-pcrlock lock-secureboot-policy
+
+[Install]
+WantedBy=sysinit.target