mountfsd: add new systemd-mountfsd component

3 files changed, 76 insertions, 0 deletions

diff --git a/units/meson.build b/units/meson.build
index 76510a08f9..2f972901d4 100644
--- a/units/meson.build
+++ b/units/meson.build
@@ -733,6 +733,14 @@ units = [
           'conditions' : ['ENABLE_USERDB'],
         },
         {
+          'file' : 'systemd-mountfsd.service.in',
+          'conditions' : ['ENABLE_MOUNTFSD'],
+        },
+        {
+          'file' : 'systemd-mountfsd.socket',
+          'conditions' : ['ENABLE_MOUNTFSD'],
+        },
+        {
           'file' : 'systemd-nsresourced.service.in',
           'conditions' : ['ENABLE_NSRESOURCED'],
         },
diff --git a/units/systemd-mountfsd.service.in b/units/systemd-mountfsd.service.in
new file mode 100644
index 0000000000..20a9b425ab
--- /dev/null
+++ b/units/systemd-mountfsd.service.in
@@ -0,0 +1,46 @@
+#  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=DDI File System Mounter
+Documentation=man:systemd-mountfsd.service(8)
+Requires=systemd-mountfsd.socket
+After=systemd-mountfsd.socket
+Conflicts=shutdown.target
+Before=sysinit.target shutdown.target
+DefaultDependencies=no
+
+[Service]
+#CapabilityBoundingSet=CAP_DAC_READ_SEARCH CAP_SYS_RESOURCE CAP_BPF CAP_PERFMON CAP_SETGID CAP_SETUID
+ExecStart={{LIBEXECDIR}}/systemd-mountfsd
+IPAddressDeny=any
+LimitNOFILE={{HIGH_RLIMIT_NOFILE}}
+LockPersonality=yes
+MemoryDenyWriteExecute=yes
+NoNewPrivileges=yes
+ProtectProc=invisible
+ProtectControlGroups=yes
+ProtectHome=yes
+ProtectHostname=yes
+ProtectKernelLogs=yes
+ProtectKernelModules=yes
+ProtectSystem=strict
+RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
+RestrictRealtime=yes
+RestrictSUIDSGID=yes
+SystemCallArchitectures=native
+SystemCallErrorNumber=EPERM
+SystemCallFilter=@system-service @mount
+Type=notify
+NotifyAccess=all
+FileDescriptorStoreMax=4096
+{{SERVICE_WATCHDOG}}
+
+[Install]
+Also=systemd-mountfsd.socket
diff --git a/units/systemd-mountfsd.socket b/units/systemd-mountfsd.socket
new file mode 100644
index 0000000000..cd88003af9
--- /dev/null
+++ b/units/systemd-mountfsd.socket
@@ -0,0 +1,22 @@
+#  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=DDI File System Mounter Socket
+Documentation=man:systemd-mountfsd.service(8)
+DefaultDependencies=no
+Conflicts=shutdown.target
+Before=sockets.target shutdown.target
+
+[Socket]
+ListenStream=/run/systemd/io.systemd.MountFileSystem
+SocketMode=0666
+
+[Install]
+WantedBy=sockets.target