chore: systemd hardening

加固 dbus 进程

misc/system-services/org.deepin.dde.SoundThemePlayer1.service

@@ -2,3 +2,4 @@
 Name=org.deepin.dde.SoundThemePlayer1
 Exec=/usr/lib/deepin-api/sound-theme-player
 User=deepin-sound-player
+SystemdService=dbus-org.deepin.dde.SoundThemePlayer1.service

misc/systemd/system/deepin-sound-theme-player.service

@@ -0,0 +1,40 @@
+[Unit]
+Description=Deepin Sound Theme Player
+
+Requisite=sound.target
+After=sound.target
+
+# Ask for the dbus socket.
+Wants=dbus.socket
+After=dbus.socket
+
+[Service]
+Type=dbus
+BusName=org.deepin.dde.SoundThemePlayer1
+User=deepin-sound-player
+ExecStart=/usr/lib/deepin-api/sound-theme-player
+
+DevicePolicy=closed
+DeviceAllow=char-alsa rw
+
+ProtectSystem=full
+ProtectHome=true
+ReadWritePaths=/var/lib/deepin-sound-player
+PrivateTmp=true
+#PrivateDevices=true
+PrivateNetwork=true
+ProtectHostname=true
+ProtectClock=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectKernelLogs=true
+ProtectControlGroups=true
+RestrictAddressFamilies=AF_UNIX
+RestrictNamespaces=true
+LockPersonality=true
+RestrictRealtime=true
+RestrictSUIDSGID=true
+RemoveIPC=true
+
+[Install]
+Alias=dbus-org.deepin.dde.SoundThemePlayer1.service