xref: /freebsd/libexec/rc/rc.d/cleartmp (revision 325ebf37d8efc6488754051fcc2b1aaa40cefd8b)
10696600cSBjoern A. Zeeb#!/bin/sh
20696600cSBjoern A. Zeeb#
30696600cSBjoern A. Zeeb# $FreeBSD$
40696600cSBjoern A. Zeeb#
50696600cSBjoern A. Zeeb
60696600cSBjoern A. Zeeb# PROVIDE: cleartmp
70696600cSBjoern A. Zeeb# REQUIRE: mountcritremote tmp
80696600cSBjoern A. Zeeb# BEFORE: DAEMON
90696600cSBjoern A. Zeeb
100696600cSBjoern A. Zeeb. /etc/rc.subr
110696600cSBjoern A. Zeeb
120696600cSBjoern A. Zeebname="cleartmp"
130696600cSBjoern A. Zeebdesc="Purge /tmp directory"
140696600cSBjoern A. Zeeb# Disguise rcvar for the start method to run irrespective of its setting.
150696600cSBjoern A. Zeebrcvar1="clear_tmp_enable"
160696600cSBjoern A. Zeebstart_cmd="${name}_start"
170696600cSBjoern A. Zeebstop_cmd=":"
180696600cSBjoern A. Zeeb
190696600cSBjoern A. Zeebcleartmp_start()
200696600cSBjoern A. Zeeb{
210696600cSBjoern A. Zeeb	# Make /tmp location variable for easier debugging.
220696600cSBjoern A. Zeeb	local tmp="/tmp"
230696600cSBjoern A. Zeeb
240696600cSBjoern A. Zeeb	# X related directories to create in /tmp.
250696600cSBjoern A. Zeeb	local x11_socket_dirs="${tmp}/.X11-unix ${tmp}/.XIM-unix \
260696600cSBjoern A. Zeeb			       ${tmp}/.ICE-unix ${tmp}/.font-unix"
270696600cSBjoern A. Zeeb
280696600cSBjoern A. Zeeb	if checkyesno ${rcvar1}; then
29*325ebf37SJose Luis Duran		startmsg "Clearing ${tmp}."
300696600cSBjoern A. Zeeb
310696600cSBjoern A. Zeeb		# This is not needed for mfs, but doesn't hurt anything.
320696600cSBjoern A. Zeeb		# Things to note:
330696600cSBjoern A. Zeeb		# + The dot in ${tmp}/. is important.
340696600cSBjoern A. Zeeb		# + Put -prune before -exec so find never descends
350696600cSBjoern A. Zeeb		#   into a directory that was already passed to rm -rf.
360696600cSBjoern A. Zeeb		# + "--" in rm arguments isn't strictly necessary, but
370696600cSBjoern A. Zeeb		#   it can prevent foot-shooting in future.
380696600cSBjoern A. Zeeb		# + /tmp/lost+found is preserved, but its contents are removed.
390696600cSBjoern A. Zeeb		# + lost+found and quota.* in subdirectories are removed.
400696600cSBjoern A. Zeeb		# + .sujournal and .snap are preserved.
410696600cSBjoern A. Zeeb		find -x ${tmp}/. ! -name . \
420696600cSBjoern A. Zeeb		    ! \( -name .sujournal -type f -user root \) \
430696600cSBjoern A. Zeeb		    ! \( -name .snap -type d -user root \) \
440696600cSBjoern A. Zeeb		    ! \( -name lost+found -type d -user root \) \
450696600cSBjoern A. Zeeb		    ! \( \( -name quota.user -or -name quota.group \) \
460696600cSBjoern A. Zeeb			-type f -user root \) \
470696600cSBjoern A. Zeeb		    -prune -exec rm -rf -- {} +
480696600cSBjoern A. Zeeb	elif checkyesno clear_tmp_X; then
490696600cSBjoern A. Zeeb		# Remove X lock files, since they will prevent you from
500696600cSBjoern A. Zeeb		# restarting X.  Remove other X related directories.
51*325ebf37SJose Luis Duran		startmsg "Clearing ${tmp} (X related)."
520696600cSBjoern A. Zeeb		rm -rf ${tmp}/.X[0-9]-lock ${x11_socket_dirs}
530696600cSBjoern A. Zeeb	fi
540696600cSBjoern A. Zeeb	if checkyesno clear_tmp_X; then
550696600cSBjoern A. Zeeb		# Create X related directories with proper permissions.
560696600cSBjoern A. Zeeb		mkdir -m 1777 ${x11_socket_dirs}
570696600cSBjoern A. Zeeb	fi
580696600cSBjoern A. Zeeb}
590696600cSBjoern A. Zeeb
600696600cSBjoern A. Zeebload_rc_config $name
610696600cSBjoern A. Zeebrun_rc_command "$1"
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