251 lines
8.0 KiB
Bash
Executable File
251 lines
8.0 KiB
Bash
Executable File
#!/bin/sh
|
|
|
|
# ugly: this variable is set during port install time
|
|
ezjail_prefix=EZJAIL_PREFIX
|
|
ezjail_jailcfgs=${ezjail_prefix}/etc/ezjail
|
|
|
|
if [ -f ${ezjail_prefix}/etc/ezjail.conf ]; then
|
|
. ${ezjail_prefix}/etc/ezjail.conf;
|
|
fi
|
|
|
|
# set defaults
|
|
ezjail_jaildir=${ezjail_jaildir:-"/usr/jails"}
|
|
ezjail_jailtemplate=${ezjail_jailtemplate:-"$ezjail_jaildir/newjail"}
|
|
ezjail_jailbase=${ezjail_jailbase:-"$ezjail_jaildir/basejail"}
|
|
ezjail_jailfull=${ezjail_jailfull:-"$ezjail_jaildir/fulljail"}
|
|
ezjail_sourcetree=${ezjail_sourcetree:-"/usr/src"}
|
|
|
|
ezjail_mount_enable=${ezjail_mount_enable:-"YES"}
|
|
ezjail_devfs_enable=${ezjail_devfs_enable:-"YES"}
|
|
ezjail_devfs_ruleset=${ezjail_devfs_ruleset:-"devfsrules_jail"}
|
|
ezjail_procfs_enable=${ezjail_procfs_enable:-"YES"}
|
|
ezjail_fdescfs_enable=${ezjail_fdescfs_enable:-"YES"}
|
|
|
|
# check for command
|
|
if [ -z "$1" ]; then
|
|
echo "Usage: `basename $0` [create|delete|list|update] {params}";
|
|
exit 1;
|
|
fi
|
|
|
|
case "$1" in
|
|
create)
|
|
shift
|
|
args=`getopt xr: $*`
|
|
if [ $? != 0 ]; then
|
|
echo 'Usage: ezjail create [-r jailroot] [-x] jailname jailip';
|
|
exit 1;
|
|
fi
|
|
|
|
newjail_root=
|
|
newjail_softlink=
|
|
newjail_fill="YES"
|
|
|
|
set -- $args
|
|
for arg do
|
|
case $arg in
|
|
-x) newjail_fill="NO"; shift;;
|
|
-r) newjail_root="$2"; shift 2;;
|
|
--) shift; break;;
|
|
esac
|
|
done;
|
|
newjail_name=$1; newjail_ip=$2;
|
|
|
|
# we need at least a name and an ip for new jail
|
|
if [ -z "$newjail_name" -o -z "$newjail_ip" -o $# != 2 ]; then
|
|
echo 'Usage: ezjail create [-r jailroot] [-x] jailname jailip'; exit 1;
|
|
fi
|
|
|
|
# check, whether IP is configured on a local interface, warn if it isnt
|
|
ping -c 1 -m 1 -t 1 -q $newjail_ip > /dev/null
|
|
if [ $? != 0 ]; then
|
|
echo "Warning: IP $newjail_ip not configured on a local interface"
|
|
fi
|
|
|
|
# check, whether ezjail-update has been called. existence of
|
|
# ezjail_jailbase is our indicator
|
|
if [ ! -d $ezjail_jailbase ]; then
|
|
echo "Error: base jail does not exist. Please run 'ezjail-admin update' first"
|
|
exit 1;
|
|
fi
|
|
|
|
# relative paths don't make sense in rc.scripts
|
|
if [ ${ezjail_jaildir#/} = ${ezjail_jaildir} ]; then
|
|
echo "Error: Need an absolute path in ezjail_jaildir, it is currently set to: $ezjail_jaildir"
|
|
exit 1;
|
|
fi
|
|
|
|
# jail names must not have names that irritate file systems,
|
|
# excluding dots from this list was done intentionally to
|
|
# allow foo.com style directory names, however, the jail
|
|
# name will be foo_com in most scripts
|
|
newjail_name=`echo $newjail_name | tr /~ __`;
|
|
newjail_root=${newjail_root:-"$ezjail_jaildir/$newjail_name"}
|
|
newjail_nname=`echo $newjail_name | tr . _`;
|
|
|
|
# if jail root specified on command line is not absolute,
|
|
# make it absolute inside our jail directory
|
|
if [ ${newjail_root#/} = ${newjail_root} ]; then
|
|
newjail_root=$ezjail_jaildir/$newjail_root
|
|
fi
|
|
|
|
# if jail root specified on command line does not lie
|
|
# within our jail directory, we need to create a softlink
|
|
if [ ${newjail_root##${ezjail_jaildir}} = $newjail_root ]; then
|
|
newjail_softlink=$ezjail_jaildir/`basename $newjail_root`
|
|
if [ -e $newjail_softlink -a $newjail_fill = "YES" ]; then
|
|
echo Error: an ezjail already exists at $newjail_softlink
|
|
exit 1;
|
|
fi
|
|
fi
|
|
|
|
# now take a copy of our template jail
|
|
if [ $newjail_fill = "YES" ]; then
|
|
mkdir -p ${newjail_root} && cd ${ezjail_jailtemplate} \
|
|
&& find * | cpio -p -v ${newjail_root}
|
|
fi
|
|
|
|
# if a soft link is necessary, create it now
|
|
if [ $newjail_softlink ]; then
|
|
ln -s $newjail_root $newjail_softlink
|
|
fi
|
|
|
|
# if the automount feature is not disabled, create an
|
|
# fstab entry for new jail
|
|
echo $ezjail_jailbase $newjail_root/basejail nullfs ro 0 0 > /etc/fstab.$newjail_nname
|
|
|
|
# now, where everything seems to have gone right,
|
|
# create control file in ezjails config dir
|
|
mkdir -p $ezjail_jailcfgs
|
|
echo export jail_${newjail_nname}_hostname=\"${newjail_name}\" > ${ezjail_jailcfgs}/${newjail_nname}
|
|
echo export jail_${newjail_nname}_ip=\"${newjail_ip}\" >> ${ezjail_jailcfgs}/${newjail_nname}
|
|
echo export jail_${newjail_nname}_rootdir=\"${newjail_root}\" >> ${ezjail_jailcfgs}/${newjail_nname}
|
|
echo export jail_${newjail_nname}_exec=\"/bin/sh /etc/rc\" >> ${ezjail_jailcfgs}/${newjail_nname}
|
|
echo export jail_${newjail_nname}_mount_enable=\"${ezjail_mount_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname}
|
|
echo export jail_${newjail_nname}_devfs_enable=\"${ezjail_devfs_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname}
|
|
echo export jail_${newjail_nname}_devfs_ruleset=\"devfsrules_jail\" >> ${ezjail_jailcfgs}/${newjail_nname}
|
|
echo export jail_${newjail_nname}_procfs_enable=\"${ezjail_procfs_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname}
|
|
echo export jail_${newjail_nname}_fdescfs_enable=\"${ezjail_fdescfs_enable}\" >> ${ezjail_jailcfgs}/${newjail_nname}
|
|
|
|
;;
|
|
delete)
|
|
shift
|
|
args=`getopt w $*`
|
|
if [ $? != 0 ]; then
|
|
echo 'Usage: ezjail delete [-w] jailname';
|
|
exit 1;
|
|
fi
|
|
|
|
oldjail_wipe="NO"
|
|
|
|
set -- $args
|
|
for arg do
|
|
case $arg in
|
|
-w) oldjail_wipe="YES"; shift;;
|
|
--) shift; break;;
|
|
esac
|
|
done;
|
|
oldjail_name=$1;
|
|
|
|
# we only need name of jail to vanish
|
|
if [ -z "$oldjail_name" -o $# != 1 ]; then
|
|
echo 'Usage: ezjail delete [-w] jailname'; exit 1;
|
|
fi
|
|
|
|
# tidy up jail name the ezjail way
|
|
oldjail_nname=`echo $oldjail_name | tr /~. ___`;
|
|
|
|
# check for existence of jail in our records
|
|
if [ ! -f ${ezjail_jailcfgs}/${oldjail_nname} ]; then
|
|
echo "Error: Nothing known about jail $oldjail_name"; exit 1
|
|
fi
|
|
|
|
# fetch information about the jail to be gone
|
|
# by parsing our records
|
|
. ${ezjail_jailcfgs}/${oldjail_nname}
|
|
eval oldjail_rootdir=\"\$jail_${oldjail_nname}_rootdir\"
|
|
|
|
# if jail is still running, refuse to go any further
|
|
if [ -f /var/run/jail_${oldjail_nname}.id ]; then
|
|
echo "Error: Jail appears to be still running, stop it first"
|
|
echo "(/var/run/jail_${oldjail_nname}.id exists)"
|
|
exit 1;
|
|
fi
|
|
|
|
# now we know everything we need to let the jail be gone
|
|
# remove entry from ezjail resource structure
|
|
rm -f ${ezjail_jailcfgs}/${oldjail_nname}
|
|
|
|
# delete fstab.JAILNAME
|
|
rm -f /etc/fstab.$oldjail_nname
|
|
|
|
# if there is a soft link pointing to the jail root, remove it
|
|
oldjail_softlink=$ezjail_jaildir/`basename $oldjail_rootdir`
|
|
if [ -L $oldjail_softlink ]; then
|
|
rm $oldjail_softlink
|
|
fi
|
|
|
|
# if wiping the jail was requested, remove it
|
|
if [ $oldjail_wipe = "YES" ]; then
|
|
rm -rf $oldjail_rootdir
|
|
fi
|
|
|
|
;;
|
|
list)
|
|
jail_list=`ls $ezjail_jailcfgs`
|
|
for jail in $jail_list; do
|
|
. ${ezjail_jailcfgs}/$jail
|
|
eval jail_ip=\"\$jail_${jail}_ip\"
|
|
eval jail_hostname=\"\$jail_${jail}_hostname\"
|
|
eval jail_rootdir=\"\$jail_${jail}_rootdir\"
|
|
printf "%-15s %-28s %s\\n" $jail_ip $jail_hostname $jail_rootdir
|
|
done
|
|
;;
|
|
update)
|
|
shift
|
|
args=`getopt is: $*`
|
|
if [ $? != 0 ]; then
|
|
echo 'Usage: ezjail update [-s sourcetree] [-i]';
|
|
exit 1;
|
|
fi
|
|
|
|
updatejail_installaction="world"
|
|
|
|
set -- $args
|
|
for arg do
|
|
case $arg in
|
|
-i) updatejail_installaction="installworld"; shift;;
|
|
-s) ezjail_sourcetree="$2"; shift 2;;
|
|
--) shift; break;;
|
|
esac
|
|
done;
|
|
|
|
if [ ! -d ${ezjail_sourcetree} ]; then
|
|
echo "Cannot find your copy of the FreeBSD source tree in $ezjail_sourcetree."; exit 1;
|
|
fi
|
|
|
|
cd ${ezjail_sourcetree}
|
|
rm -rf ${ezjail_jailfull}; mkdir -p ${ezjail_jailfull}
|
|
make ${updatejail_installaction} DESTDIR=${ezjail_jailfull}
|
|
make distribution DESTDIR=${ezjail_jailfull}
|
|
|
|
cd ${ezjail_jailfull}
|
|
mkdir -p ${ezjail_jailbase}/usr
|
|
for a in bin sbin usr/bin usr/include usr/lib usr/libexec usr/sbin usr/src usr/share; do
|
|
find ${a} | cpio -d -p -v ${ezjail_jailbase};
|
|
chflags -R noschg ${a}; rm -r ${a}; ln -s /basejail/${a} ${a}
|
|
done
|
|
mkdir basejail
|
|
ln -s /basejail/usr/ports usr/ports
|
|
|
|
if [ -d ${ezjail_jailtemplate} ]; then
|
|
rm -rf ${ezjail_jailtemplate}_old
|
|
mv ${ezjail_jailtemplate} ${ezjail_jailtemplate}_old
|
|
fi
|
|
mv ${ezjail_jailfull} ${ezjail_jailtemplate}
|
|
|
|
;;
|
|
*)
|
|
echo "Usage: `basename $0` [create|delete|list|update] {params}"; exit;
|
|
;;
|
|
esac
|