# $Id: vserver.suexec 2669 2008-01-22 09:19:57Z dhozac $  --*- sh -*--

# Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
#  
# This program 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; version 2 of the License.
#  
# This program 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.

is_stopped=
isVserverRunning "$VSERVER_DIR" S_CONTEXT || is_stopped=1
test -z "$is_stopped" -o "$OPTION_INSECURE" || {
    echo $"'vserver ... suexec' is supported for running vservers only; aborting..." >&2
    exit 1
}
generateOptions  "$VSERVER_DIR"
addtoCPUSET  "$VSERVER_DIR"

user=$1
shift

cd "$VSERVER_DIR"/vdir/

test -z "$OPTION_NONAMESPACE" || USE_VNAMESPACE=

if $_VSERVER_INFO - FEATURE migrate; then
    if test -z "$is_stopped"; then
	exec \
	"${NICE_CMD[@]}" \
	"${CHBIND_CMD[@]}" \
	$_EXEC_ULIMIT "$VSERVER_DIR/ulimits" \
	${USE_VNAMESPACE:+$_VNAMESPACE --enter "$S_CONTEXT" -- } \
	$_VSPACE --enter "$S_CONTEXT" "${OPTS_VSPACE[@]}" -- \
	$_VTAG --migrate "${OPTS_VTAG_ENTER[@]}" --silent -- \
	$_VCONTEXT $SILENT_OPT --migrate --chroot \
	  --xid "$S_CONTEXT" --uid "$user" "${OPTS_VCONTEXT_ENTER[@]}" -- \
	"$@"
    else
	exec \
	"${NICE_CMD[@]}" \
	"${CHBIND_CMD[@]}" \
	$_EXEC_ULIMIT "$VSERVER_DIR/ulimits" \
	$_VTAG --create "${OPTS_VTAG_CREATE[@]}" --silent -- \
        $_VCONTEXT --create "${OPTS_VCONTEXT_CREATE[@]}" -- \
	$_VUNAME   --xid self --dir "$VSERVER_DIR"/uts     --missingok -- \
	$_VUNAME   --xid self --set -t context="$VSERVER_DIR" -- \
	$_VCONTEXT --migrate-self --endsetup --chroot $SILENT_OPT -- \
	"$@"
    fi
else
    exec \
    "${NICE_CMD[@]}" \
    "${CHBIND_CMD[@]}" \
    "$_EXEC_ULIMIT"  "$VSERVER_DIR/ulimits" \
    ${USE_VNAMESPACE:+$_VNAMESPACE --enter "$S_CONTEXT" --} \
    $_CHCONTEXT_COMPAT "${CHCONTEXT_OPTS[@]}" -- \
    "$_CAPCHROOT"    "${CAPCHROOT_OPTS[@]}" --suid "$user" . \
    "$@"
fi