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rc: same fix for /tmp MFS

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If users want read-only media they need to put their own
/etc/fstab entries into the system as the MFS options from
the config should not work under unknown conditions.
This commit is contained in:
Franco Fichtner 2018-01-15 21:58:57 +01:00
parent 653651046f
commit d26c77a1ea
3 changed files with 49 additions and 8 deletions
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1
plist
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@ -134,6 +134,7 @@
/usr/local/etc/rc.subr.d/livemode
/usr/local/etc/rc.subr.d/recover
/usr/local/etc/rc.subr.d/swapon
/usr/local/etc/rc.subr.d/tmp
/usr/local/etc/rc.subr.d/var
/usr/local/etc/rc.syshook
/usr/local/etc/rc.syshook.d/05-beep.stop

10
src/etc/rc
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@ -134,14 +134,8 @@ fi
# write /var/run/dmesg.boot
/etc/rc.d/dmesg onestart
USE_MFS_TMP=$(/usr/bin/grep -c 'use_mfs_tmp[^_]' /conf/config.xml)
if [ ${USE_MFS_TMP} -ne 0 ]; then
mount -t tmpfs -o mode=01777 tmpfs /tmp
else
rm -rf /tmp/*
chmod 1777 /tmp
fi
# all sorts of maintenance tasks for /tmp
/usr/local/etc/rc.subr.d/tmp
# set up and recover a crash dump before activating swap
/usr/local/etc/rc.subr.d/crashdump

46
src/etc/rc.subr.d/tmp Executable file
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@ -0,0 +1,46 @@
#!/bin/sh
# Copyright (c) 2014-2018 Franco Fichtner <franco@opnsense.org>
# Copyright (c) 2004-2010 Scott Ullrich <sullrich@gmail.com>
# Copyright (c) 2003-2004 Manuel Kasper <mk@neon1.net>
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
USE_MFS_TMP=$(/usr/bin/grep -c 'use_mfs_tmp[^_]' /conf/config.xml)
# see if / is writable (aka. non-LiveCD boot)
if _tmpdir=$(mktemp -d -q /.diskless.XXXXXX); then
# only remove the directory
rmdir ${_tmpdir}
else
USE_MFS_TMP=0
fi
if [ ${USE_MFS_TMP} -ne 0 ]; then
mount -t tmpfs -o mode=01777 tmpfs /tmp
else
rm -rf /tmp/*
chmod 1777 /tmp
fi