Add limited tmpfiles.d(5) support

This change adds very basic tmpfiles.d/ support to Finit.  Much of the
basic types are supported, but not all, so for now, please check the
code for details on what is working.

Signed-off-by: Joachim Wiberg <troglobit@gmail.com>

tmpfiles.d/.gitignore

@@ -0,0 +1,2 @@
+Makefile
+Makefile.in

tmpfiles.d/Makefile.am

@@ -0,0 +1,4 @@
+tmpfilesdir           = $(tmpfiles_path)
+dist_tmpfiles_DATA    = etc.conf legacy.conf var.conf x11.conf
+dist_tmpfiles_DATA   += dnsmasq.conf frr.conf lldpd.conf openswan.conf \
+			quagga.conf sshd.conf uuidd.conf

tmpfiles.d/dnsmasq.conf

@@ -0,0 +1 @@
+d /var/run/dnsmasq 0755 nobody nobody -

tmpfiles.d/etc.conf

@@ -0,0 +1,7 @@
+L  /etc/os-release      - - - - ../usr/lib/os-release
+L+ /etc/mtab		- - - - ../proc/self/mounts
+C! /etc/locale.conf	- - - -
+C! /etc/nsswitch.conf	- - - -
+C! /etc/vconsole.conf	- - - -
+C! /etc/pam.d		- - - -
+C! /etc/issue		- - - -

tmpfiles.d/frr.conf

@@ -0,0 +1,2 @@
+d /var/run/frr 0755 frr frr -
+d /var/log/frr 0755 frr frr -

tmpfiles.d/legacy.conf

@@ -0,0 +1,11 @@
+d  /run/lock            0755 root root	-
+L  /var/lock		-    - 	  - 	- ../run/lock
+
+d  /run/lock/subsys	0755 root root	-
+
+L  /run/shm		-    -	  -	- ../dev/shm
+
+# These are not supported by Finit, see command line options
+r! /forcefsck
+r! /fastboot
+r! /forcequotacheck

tmpfiles.d/lldpd.conf

@@ -0,0 +1 @@
+d /var/run/lldpd 0755 - - -

tmpfiles.d/openswan.conf

@@ -0,0 +1 @@
+d /var/run/pluto 0755 - - -

tmpfiles.d/quagga.conf

@@ -0,0 +1,2 @@
+d /var/run/quagga 0755 quagga quagga -
+d /var/log/quagga 0755 quagga quagga -

tmpfiles.d/sshd.conf

@@ -0,0 +1 @@
+d /var/run/sshd 01755 - - -

tmpfiles.d/uuidd.conf

@@ -0,0 +1,2 @@
+# Void Linux uuidd
+d /var/run/uuidd	0755 uuidd uuidd

tmpfiles.d/var.conf

@@ -0,0 +1,40 @@
+# Standard FHS 2.3 structure in /var and /var/run, err /run
+
+d  /var/cache		0755 - - -
+d  /var/db		0755 - - -
+d  /var/games		0755 - - -
+d  /var/lib		0755 - - -
+d  /var/lib/alarm	0755 - - -
+d  /var/lib/misc	0755 - - -
+d  /var/lib/urandom	0755 - - -
+d  /var/spool		0755 - - -
+
+# Compat symlink to new /run ramdisk
+L  /var/run             -    - - - ../run
+
+# Used by pam_console(8)
+d  /run/console              1777 - - -
+f  /run/console/nobody       0644 - - -
+f  /run/console/console.lock 0644 - - - nobody
+
+# Needed by Debian/Ubuntu ifupdown
+d  /var/run/network	0755 - - -
+
+# Debian has /run/sudo, ensure correct perms and SELinux label
+d  /run/sudo	        0711 root root
+d  /run/sudo/ts		0700 root root
+Z  /run/sudo		-    - - -
+
+d  /var/empty		0755 - - -
+d  /var/log		0755 - - -
+d  /var/mail		0755 - - -
+d  /var/opt		0755 - - -
+d  /var/spool		0755 - - -
+d  /var/spool/cron	0755 - - -
+
+# UTMP actually needs multiple db files
+f  /var/run/utmp	0664 root utmp -
+f  /var/log/wtmp	0664 root utmp -
+f  /var/log/btmp	0660 root utmp -
+f  /var/log/lastlog	0664 root utmp -
+

tmpfiles.d/x11.conf

@@ -0,0 +1,11 @@
+D! /tmp/.X11-unix  1777 root root
+D! /tmp/.ICE-unix  1777 root root
+D! /tmp/.XIM-unix  1777 root root
+D! /tmp/.font-unix 1777 root root
+
+z  /tmp/.X11-unix
+z  /tmp/.ICE-unix
+z  /tmp/.XIM-unix
+z  /tmp/.font-unix
+
+r! /tmp/.X[0-9]*-lock