#!/bin/sh -e
# Copyright @BABOLO (C)2002,2003
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $Id: jun-ctl,v 1.3 2003/05/03 03:17:49 babolo Exp $

. ${JAILUP_CONF}
scent=${1}
shift

case ${scent} in
dogfi)
# prints pid file name of watcndog
    lclass="${1}"
    path="${2}"
    ${awk} -f - << EOF
BEGIN{
    print "/var/run/" gensub("/", ".", "g", "${path}") ".${lclass}.dog"
}
EOF
    ;;
kildog)
# send kill to dog
    lclass="${1}"
    path="${2}"
    starter="${STARTUPDIR}/start/${lclass}"
    hname="${3}"
    ipadr="${4}"
    pidfi="${5}"
    uid="${6}"
    pidnum=`${head} -1 ${pidfi}` || ${true}
    if  [ -n "${pidnum}" ]\
     && ${ps} -axww | ${grep} -qE "^ *${pidnum} .* ${starter} ${path} ${hname} ${ipadr} "
    then
        if  [ -z "${uid}" ]; then
            ${kill} ${pidnum} > /dev/null 2>&1
        else
            ${setuid} ${uid} ${kill} ${pidnum} > /dev/null 2>&1
    fi; fi
    ;;
termdog)
# send kill to dog and wait until terminate
    lclass="${1}"
    path="${2}"
    starter="${STARTUPDIR}/start/${lclass}"
    hname="${3}"
    ipadr="${4}"
    pidfi="${5}"
    uid="${6}"
    pidnum=`${head} -1 ${pidfi}` || ${true}
    if  [ -n "${pidnum}" ]\
     && ${ps} -axww | ${grep} -qE "^ *${pidnum} .* ${starter} ${path} ${hname} ${ipadr} "
    then
        if  [ -z "${uid}" ]; then
            while ${kill} ${pidnum} > /dev/null 2>&1; do
                ${sleep} 1
            done
        else
            while ${setuid} ${uid} ${kill} ${pidnum} > /dev/null 2>&1; do
                ${sleep} 1
            done
        fi
        ${rm} -f ${pidfi}
    fi
    ;;
kilpid)
# send kill to pid
    exe="${1}"
    pidfi="${2}"
    uid="${3}"
    pidnum=`${head} -1 ${pidfi}` || ${true}
    if  [ -n "${pidnum}" ]\
     && ${ps} -axww | ${grep} -qE "^ *${pidnum} .*J +[^ ]+ ${exe}( |$)"
    then
        if  [ -z "${uid}" ]; then
            ${kill} ${pidnum} > /dev/null 2>&1
        else
            ${setuid} ${uid} ${kill} ${pidnum} > /dev/null 2>&1
    fi; fi
    ;;
termpid)
# send kill to pid and wait until terminate
    exe="${1}"
    pidfi="${2}"
    uid="${3}"
    pidnum=`${head} -1 ${pidfi}` || ${true}
    if  [ -n ${pidnum} ]\
     && ${ps} -axww | ${grep} -qE "^ *${pidnum} .*J +[^ ]+ ${exe}( |$)"
    then
        if  [ -z "${uid}" ]; then
            while ${kill} ${pidnum} > /dev/null 2>&1; do
                ${sleep} 1
            done
        else
            while ${setuid} ${uid} ${kill} ${pidnum} > /dev/null 2>&1; do
                ${sleep} 1
            done
        fi
        ${rm} -f ${pidfi}
    fi
    ;;
*)
    echo "Illegal usage of ${0}"
    exit 1
    ;;
esac
