diff options
Diffstat (limited to 'etc/rc.d/var')
| -rw-r--r-- | etc/rc.d/var | 176 |
1 files changed, 50 insertions, 126 deletions
diff --git a/etc/rc.d/var b/etc/rc.d/var index b2a8154..38108ad 100644 --- a/etc/rc.d/var +++ b/etc/rc.d/var @@ -27,147 +27,71 @@ # $FreeBSD$ # -# PROVIDE: diskless -# REQUIRE: initdiskless rcconf mountcritlocal -# BEFORE: addswap random -# KEYWORD: FreeBSD nojail +# PROVIDE: var +# REQUIRE: mountcritlocal +# KEYWORD: FreeBSD -dlv=`/sbin/sysctl -n vfs.nfs.diskless_valid 2> /dev/null` -[ ${dlv:=0} -eq 0 ] && exit 0 +. /etc/rc.subr -name="diskless2" +name="var" -# Provide a function for normalizing the mounting of memory -# filesystems. This should allow the rest of the code here to remain -# as close as possible between 5-current and 4-stable. -# $1 = size -# $2 = mount point -# $3 = (optional) bytes-per-inode -mount_md() { - if [ -n "$3" ]; then - bpi="-i $3" - fi - /sbin/mdmfs $bpi -s $1 -M md $2 -} +load_rc_config $name -# If there is a global system configuration file, suck it in. -# -if [ -r /etc/rc.subr ]; then - . /etc/rc.subr - load_rc_config $name -elif [ -r /etc/defaults/rc.conf ]; then - . /etc/defaults/rc.conf - source_rc_confs -elif [ -r /etc/rc.conf ]; then - . /etc/rc.conf -fi +_populate_var() +{ + /usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /var > /dev/null + case ${sendmail_enable} in + [Nn][Oo][Nn][Ee]) + ;; + *) + /usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null + ;; + esac -# If we do not have a writable /var, create a memory -# filesystem for /var. We don't have /usr yet so -# use mkdir instead of touch to test. We want mount -# to record its mounts so we have to make sure /var/db -# exists before doing the mount -a. -# -if (/bin/mkdir /var/.diskless 2> /dev/null); then - rmdir /var/.diskless -else - echo "+++ mount_md of /var" - mount_md ${varsize:=32m} /var -fi + /usr/sbin/newsyslog -CC -if [ ! -d /var/db ]; then - mkdir /var/db -fi + /usr/bin/touch /var/log/lastlog -# Now we need the rest of our mounts, particularly /usr -# -mount -a # chown and chgrp are in /usr + # XXX: should create spool dirs for lpd +} -# Populate /var +# If we do not have a writable /var, create a memory filesystem for /var +# unless told otherwise by rc.conf. We don't have /usr yet so use mkdir +# instead of touch to test. We want mount to record its mounts so we +# have to make sure /var/db exists before doing the mount -a. # -echo "+++ populate /var using /etc/mtree/BSD.var.dist" -/usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /var > /dev/null -case ${sendmail_enable} in -[Nn][Oo][Nn][Ee]) +case "${varmfs}" in +[Yy][Ee][Ss]) + mount_md ${varsize} /var ;; -*) - /usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null +[Nn][Oo]) ;; +*) + if (/bin/mkdir /var/.diskless 2> /dev/null); then + rmdir /var/.diskless + else + mount_md ${varsize} /var + fi esac -echo "+++ create log files based on the contents of /etc/newsyslog.conf" -LOGFILES=`/usr/bin/awk '$1 != "#" { printf "%s ", $1 } ' /etc/newsyslog.conf` -if [ -n "$LOGFILES" ]; then - /usr/bin/touch $LOGFILES -fi - -echo "+++ create lastlog" -/usr/bin/touch /var/log/lastlog -# Make sure our aliases database is uptodate, the aliases may have -# been overriden in /conf. -# -case ${sendmail_enable} in -[Nn][Oo][Nn][Ee]) +# If we have an empty looking /var, populate it, but only if we have +# /usr available. Hopefully, we'll eventually find a workaround, but +# in realistic diskless setups, we're probably ok. +case "${populate_var}" in +[Yy][Ee][Ss]) + _populate_var ;; -*) - /usr/bin/newaliases +[Nn][Oo]) ;; -esac - -# XXX make sure to create one dir for each printer as requested by lpd -# -# If we do not have a writable /tmp, create a memory -# filesystem for /tmp. If /tmp is a symlink (e.g. to /var/tmp, -# then it should already be writable). -# -if (/bin/mkdir /tmp/.diskless 2> /dev/null); then - rmdir /tmp/.diskless -else - if [ -h /tmp ]; then - echo "*** /tmp is a symlink to a non-writable area!" - echo "dropping into shell, ^D to continue anyway." - /bin/sh +*) + if [ -d /var/run -a -d /var/db -a -d /var/empty ] ; then + true + elif [ ! -x /usr/sbin/mtree -o ! -x /usr/sbin/newsyslog -o \ + ! -x /usr/bin/touch ] ; then + false else - mount_md ${tmpsize:=20480} /tmp - chmod 01777 /tmp + _populate_var fi -fi - -if sysctl vfs.devfs.generation > /dev/null 2>&1 ; then - # we have DEVFS, no worries... - true -elif (/bin/mkdir /dev/.diskless 2> /dev/null); then - # if /dev is writable assume it has already been populated - # via /etc/rc.d/initdiskless - # - rmdir /dev/.diskless -else - (cd /; find -x dev | cpio -o -H newc) > /tmp/dev.tmp - mount_md 4096 /dev 512 - (cd /; cpio -i -H newc -d < /tmp/dev.tmp) - rm -f /tmp/dev.tmp -fi - -# generate our hostname -# -if [ -z "`hostname -s`" -a \ - "x`/bin/kenv dhcp.host-name`" != "x" ]; then - hostname=`/bin/kenv dhcp.host-name` - hostname $hostname - echo "Hostname is $hostname" -fi - -# if the info is available via dhcp/kenv -# build the resolv.conf -# -if [ ! -e /etc/resolv.conf -a \ - "x`/bin/kenv dhcp.domain-name-servers`" != "x" ]; then - echo domain `/bin/kenv dhcp.domain-name` > /etc/resolv.conf - - set `/bin/kenv dhcp.domain-name-servers` - for ns in `IFS=','; echo $*`; do - echo nameserver $ns >> /etc/resolv.conf; - done -fi - + ;; +esac |
