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#!/bin/sh
# ugly: this variable is set during port install time
ezjail_prefix=EZJAIL_PREFIX
ezjail_jailcfgs=${ezjail_prefix}/etc/ezjail
if [ "0" != "`id -u`" ]; then
echo "Retry as root"; exit 1;
fi
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_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=$2; shift 2;
# wee need at least a name and an ip for new jail
if [ -z "$newjail_name" -o -z "$newjail_ip" -o $# != 0 ]; then
echo 'Usage: ezjail create [-r jailroot] [-x] jailname jailip'; 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)
;;
list)
;;
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}
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
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