diff options
Diffstat (limited to 'etc/rc.d/var')
| -rw-r--r-- | etc/rc.d/var | 108 |
1 files changed, 77 insertions, 31 deletions
diff --git a/etc/rc.d/var b/etc/rc.d/var index 647e3b7..e74d0bd 100644 --- a/etc/rc.d/var +++ b/etc/rc.d/var @@ -28,7 +28,7 @@ # # PROVIDE: diskless -# REQUIRE: initdiskless mountcritlocal +# REQUIRE: initdiskless rcconf mountcritlocal # BEFORE: addswap random # KEYWORD: FreeBSD @@ -42,14 +42,12 @@ name="diskless2" # as close as possible between 5-current and 4-stable. # $1 = size # $2 = mount point -# $3 = md unit number (ignored in pre 5.0 systems) -# $4 = (optional) bytes-per-inode -mount_md() -{ - if [ -n "$4" ]; then - bpi="-i $4" +# $3 = (optional) bytes-per-inode +mount_md() { + if [ -n "$3" ]; then + bpi="-i $3" fi - /sbin/mdmfs $bpi -s $1 -M md$3 $2 + /sbin/mdmfs $bpi -s $1 -M md $2 } # If there is a global system configuration file, suck it in. @@ -64,16 +62,36 @@ elif [ -r /etc/rc.conf ]; then . /etc/rc.conf fi -echo "+++ mount_md of /var" -mount_md ${varsize:=32m} /var 1 +# 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 +if [ ! -d /var/db ]; then + mkdir /var/db +fi + +# Now we need the rest of our mounts, particularly /usr +# +mount -a # chown and chgrp are in /usr + +# Populate /var +# echo "+++ populate /var using /etc/mtree/BSD.var.dist" -/usr/sbin/mtree -deU -f /etc/mtree/BSD.var.dist -p /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 / + /usr/sbin/mtree -deU -f /etc/mtree/BSD.sendmail.dist -p / > /dev/null ;; esac @@ -86,34 +104,62 @@ fi echo "+++ create lastlog" /usr/bin/touch /var/log/lastlog -mount -a # chown and chgrp are in /usr - -# Since we are starting with a very fresh /etc on an MFS: -if [ -d /conf/default/etc ]; then - newaliases -fi - -# -# XXX make sure to create one dir for each printer as requested by lpd +# Make sure our aliases database is uptodate, the aliases may have +# been overriden in /conf. # +/usr/bin/newaliases -# If /tmp is a symlink, assume it points to somewhere writable, like -# /var/tmp, otherwise, use a small memory filesystem for /tmp. +# XXX make sure to create one dir for each printer as requested by lpd # -# XXX: mtree runs too early to create any directories needed in /tmp, -# so if /var/tmp == /tmp, then you don't get a vi.recover. +# 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 [ ! -L /tmp ]; then - mount_md ${tmpsize:=64m} /tmp 2 - chmod 01777 /tmp +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 + else + mount_md ${tmpsize:=20480} /tmp + chmod 01777 /tmp + fi fi -if sysctl vfs.devfs.generation > /dev/null 2>&1; then +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 rc.diskless1 + # + rmdir /dev/.diskless else - # extract a list of device entries, then copy them to a writable fs (cd /; find -x dev | cpio -o -H newc) > /tmp/dev.tmp - mount_md 4096 /dev 3 512 + 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`" ]; then + hostname=`/usr/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 ]; then + echo domain `/usr/bin/kenv dhcp.domain-name` > /etc/resolv.conf + + set `/usr/bin/kenv dhcp.domain-name-servers` + for ns in `IFS=','; echo $*`; do + echo nameserver $ns >> /etc/resolv.conf; + done +fi + |
