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#!/bin/bash
#          
# mkjail v0.4: chroot jail maker
#
# feedback: rhatto at riseup.net | GPL
#
#  Mkjail is free software; you can redistribute it and/or modify it under the
#  terms of the GNU General Public License as published by the Free Software
#  Foundation; either version 2 of the License, or any later version.
#
#  Mkjail is distributed in the hope that it will be useful, but WITHOUT ANY
#  WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
#  A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
#
#  You should have received a copy of the GNU General Public License along with
#  this program; if not, write to the Free Software Foundation, Inc., 59 Temple
#  Place - Suite 330, Boston, MA 02111-1307, USA
#

COMMON="/usr/libexec/simplepkg/common.sh"

function usage {
  echo "usage: [ROOT=/otherroot] `basename $0` <jail-name> [template]"
  exit 1
}

if [ -f "$COMMON" ]; then
  source $COMMON
else
  echo "error: file $COMMON found, check your `basename $0` installation"
  exit 1
fi

if [ -z "$1" ]; then
  usage
else
  server="$1"
  eval_config `basename $0` -u
fi

if [[ ! -z "$2" && -f "$BASE_CONF/$2.template" ]]; then
  TEMPLATE="$BASE_CONF/$2.template"
elif [[ ! -z "$2" && ! -f "$BASE_CONF/$2.template" ]]; then
  echo template $2 not found, using default template
  TEMPLATE="$BASE_CONF/default.template"
elif [[ -z "$2" && -f "$BASE_CONF/default.template" ]]; then
  TEMPLATE="$BASE_CONF/default.template"
  echo using default template
else
  echo `basename $0` error: no templates found
  echo please create a template using templatepkg
  exit 1
fi

if [ ! -d "$JAIL_ROOT/$server" ]; then
  mkdir -p $JAIL_ROOT/$server
else
  if [ ! -z "`ls $JAIL_ROOT/$server | grep -v 'lost+found'`" ]; then
    echo error: folder $JAIL_ROOT/$server already exists and seens to be not empty
    echo probably the jail $1 already exists
    exit 1
  fi
fi

echo "instaling packages into $JAIL_ROOT/$server using $TEMPLATE..."
install_packages

TEMPLATE="`echo $TEMPLATE | sed -e 's/\.template$//'`"
echo "copying template files..."
if [ -d "$TEMPLATE.d" ]; then 
  rsync -av $TEMPLATE.d/ $JAIL_ROOT/$server/
fi

echo "executing template scripts..."
if [ -d "$TEMPLATE.s" ]; then
  for script in `ls $TEMPLATE.s/`; do
    if [ -x "$TEMPLATE.s/$script" ]; then
      exec $TEMPLATE.s/$script $JAIL_ROOT $server
    fi
  done
fi

echo "$JAIL_ROOT/$server" >> $JAIL_LIST
echo "done creating $server jail"