Problema com case [RESOLVIDO]

1. Problema com case [RESOLVIDO]

luivilella
(usa Debian)

Enviado em 12/07/2012 - 18:00h

Pessoal tenho um case no meu shell que não sei o porque não esta entrando na condicional.
Na função _changeMask deveria trocar a mascara mais não esta trocando alguém pode me ajudar.

Script:



#!/bin/bash

# package    http://sekysu.blogspot.com

#

# Makes iptables rules usings the /etc/dhcp/dhcp.conf file

# file       MkIptblFromDhcpConf.sh

#

# charset    UTF-8

# endofline  Linux

# since      2012-26-06 23:58 (GMT -03:00)

# license    GPL v2.0

#

# system     GNU bash, version 3.1.17(2)-release i486 slackware 12.2

# autor      Paulo Riceli (./.ronin)  [ http://sekysu.blogspot.com  ]

# autor      Luis Vilella (luivilella)[http://www.vivaolinux.com.br/perfil/verPerfil.php?login=luivilella]

# more       http://sekysu.blogspot.com



typeset -r _INPUT_ARQ='/etc/scripts/aux/dhcpd.conf'

typeset -r _RULES='/tmp/rules.sh'

typeset -r _START_RULE='iptables -A INPUT -s'

typeset -r _ACCEPT_END_RULE='-j ACCEPT'

typeset -r _REJECT_END_RULE='-j REJECT'



function _getSubnet()

{

   _DELIM='subnet'

   grep -e ${_DELIM} ${_INPUT_ARQ} |

   sed "s/${_DELIM}/_/g" |

   cut -d '_' -f2 |

   sed 's/ /_/g' |

   cut -d '_' -f2

}



function _getMaskSubnet()

{

   _DELIM='netmask'

   grep -e ${_DELIM} ${_INPUT_ARQ} |

   sed "s/${_DELIM}/_/g" |

   cut -d '_' -f2 |

   sed 's/ /_/g' |

   cut -d '_' -f2

}



function _getIp()

{

   _DELIM='fixed-address'

   grep -e ${_DELIM} ${_INPUT_ARQ} |

   sed "s/${_DELIM}/_/g" |

   sed 's/;/_/g' |

   cut -d '_' -f2 |

   sed 's/ //g'

}



function _getRejectList(){



    _INDICE=0

    for _CONTEUDO in $(_getMaskSubnet)

    do

        _MASK[${_INDICE}]=${_CONTEUDO}

        _changeMask

        _INDICE=`echo "(${_INDICE} + 1)" | bc`

    done

    unset _CONTEUDO



    _INDICE=0

    for _CONTEUDO in $(_getSubnet)

    do

        _SUBNET[${_INDICE}]=${_CONTEUDO}

        _INDICE=`echo "(${_INDICE} + 1)" | bc`

    done

    unset _CONTEUDO



    for ((i=0; i < ${_INDICE} ; i++))

    do

        echo -e "\n${_SUBNET[${i}]}/${_MASK[${i}]}"

    done

    unset _INDICE

    unset i

#    echo "$(_getSubnet) $(_getMaskSubnet)"

}



function _changeMask()

{

    case "`echo ${_MASK[${_INDICE}]} | sed 's/ //g' | sed 's/\.//g'`" in

        "`echo "128.0.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='1';;

        "`echo "192.0.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='2';;

        "`echo "224.0.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='3';;

        "`echo "240.0.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='4';;

        "`echo "248.0.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='5';;

        "`echo "252.0.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='6';;

        "`echo "254.0.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='7';;

        "`echo "255.0.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='8';;

        "`echo "255.128.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='9';;

        "`echo "255.192.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='10';;

        "`echo "255.224.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='11';;

        "`echo "255.240.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='12';;

        "`echo "255.248.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='13';;

        "`echo "255.252.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='14';;

        "`echo "255.254.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='15';;

        "`echo "255.255.0.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='16';;

        "`echo "255.255.128.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='17';;

        "`echo "255.255.192.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='18';;

        "`echo "255.255.224.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='19';;

        "`echo "255.255.240.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='20';;

        "`echo "255.255.248.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='21';;

        "`echo "255.255.252.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='22';;

        "`echo "255.255.254.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='23';;

        "`echo "255.255.255.0" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='24';;

        "`echo "255.255.255.128" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='25';;

        "`echo "255.255.255.192" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='26';;

        "`echo "255.255.255.224" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='27';;

        "`echo "255.255.255.240" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='28';;

        "`echo "255.255.255.248" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='29';;

        "`echo "255.255.255.252" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='30';;

        "`echo "255.255.255.254" | sed 's/\.//g'`" )

             _MASK[${_INDICE}]='31';;

        * );;

    esac

}



function _getAcceptRules()

{

   for _IP_RANGE in $(_getIp)

   do

       echo "${_START_RULE} ${_IP_RANGE} ${_ACCEPT_END_RULE}"

   done

}



function _getRejectRules()

{

   unset _IP_RANGE

   for _IP_RANGE in $( _getRejectList )

   do

       echo "${_START_RULE} ${_IP_RANGE} ${_REJECT_END_RULE}"

   done

}



function _execute()

{

   _getAcceptRules > ${_RULES}

   _getRejectRules >> ${_RULES}

   #echo -e "\n $0 \n The rules list from \n ${_RULES}\n"

   cat ${_RULES}

}



function _main()

{

   if [ -e ${_INPUT_ARQ} ]

   then

      _execute

   else

      echo -e "$0::Input error \nThe file ${_INPUT_ARQ} not exists"

      exit 1

   fi

}



_main &&

exit 0

Arquivo de Entrada:



#dhcp3-server

ddns-update-style none;

default-lease-time 600;

max-lease-time 7200;

authoritative;



#definindo a rede que o dhcp ira funcionar

subnet 10.1.1.0 netmask 255.255.255.0

{

    range 10.1.1.100 10.1.1.252;

    option routers 10.1.1.98;

    option domain-name-servers 208.67.222.222

                              ,208.67.220.220

                              ,67.138.54.100

                              ,207.225.209.66

                              ,156.154.70.1

                              ,156.154.71.1

                              ,8.8.8.8

                              ,8.8.4.4;

    option broadcast-address 10.1.1.255;



    host xxxxxxxxx

    {

        hardware ethernet ac:72:89:09:a4:11;

        fixed-address 10.1.1.111;

    }



    host xxxxxxxxx

    {

        hardware ethernet 4c:ed:de:74:be:ff;

        fixed-address 10.1.1.209;

    }

    host xxxxxxxxx

    {

        hardware ethernet b4:74:9f:9c:64:f8;

        fixed-address 10.1.1.215;

    }

    host xxxxxxxxx

    {

        hardware ethernet b4:82:fe:0a:4b:55;

        fixed-address 10.1.1.248;

    }

    .........

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2. MELHOR RESPOSTA

rai3mb
(usa Outra)

Enviado em 12/07/2012 - 23:14h

Já execute com bash -x nome_script para ver se facilitar encontrar o problema? Não fiz aqui, pois existem comandos que vão afetar o meu sistema...

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