| 1 | #!/bin/bash |
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| 2 | |
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| 3 | #/** |
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| 4 | #@file comparedhcpopengnsys |
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| 5 | #@brief Compara la configuración de los equipos en el dhcp y la base de datos de opengnsys |
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| 6 | #@brief Definir la variable "DHCPFILE" para indicar un fichero DHCP alternativo. |
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| 7 | #@usage comparedhcpopengnsys |
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| 8 | #@usage DHCPFILE=/camino/fichero/dhcpd.conf comparedhcpopengnsys |
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| 9 | #@warning El script utiliza dos archivos temporales, uno de cada servicio, con el formato nombre;mac;ip. |
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| 10 | #@warning El formato depende de que el fichero dhcpd.conf este en el orden "correcto" |
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| 11 | #@version 1.0.4 |
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| 12 | #@author Irina Gómez, Univ. Sevilla. |
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| 13 | #@date 2012-02-08 |
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| 14 | #*/ ## |
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| 15 | |
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| 16 | |
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| 17 | PROG="$(basename "$0")" |
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| 18 | OPENGNSYS=${OPENGNSYS:-"/opt/opengnsys"} |
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| 19 | SERVERCONF=$OPENGNSYS/etc/ogserver.json |
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| 20 | DHCPFILE=${DHCPFILE:-/etc/dhcp/dhcpd.conf} |
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| 21 | TMP_DHCP=/tmp/$PROG-dhcp$$ |
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| 22 | TMP_MYSQL=/tmp/$PROG-mysql$$ |
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| 23 | |
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| 24 | source $OPENGNSYS/lib/ogfunctions.sh || exit 1 |
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| 25 | |
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| 26 | [ "$*" == "help" ] && help |
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| 27 | [ "$*" == "version" ] && version |
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| 28 | [ "$USER" != "root" ] && raiseError access "Solo ejecutable por root" |
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| 29 | [ -r $DHCPFILE ] || raiseError access "No tenemos acceso al fichero de configuracion del dhcp" |
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| 30 | |
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| 31 | # Obtener datos de acceso a la Base de datos. |
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| 32 | source_json_config $SERVERCONF 2> /dev/null || raiseError access "Fichero de configuración del servidor" |
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| 33 | |
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| 34 | trap "rm -f $TMP_DHCP $TMP_MYSQL" 1 2 3 9 15 |
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| 35 | # Genero fichero temporal de dhcp recorriendo la configuración del dhcp cadena a cadena. |
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| 36 | # Quito comentarios del fichero |
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| 37 | CONTENIDO=$(sed 's/#.*$//' $DHCPFILE) |
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| 38 | OLDLINE="" |
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| 39 | HOST="" |
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| 40 | IP="" |
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| 41 | MAC="" |
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| 42 | for LINE in ${CONTENIDO} ; do |
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| 43 | case $LINE in |
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| 44 | "host") OLDLINE="host" && continue ;; |
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| 45 | "hardware") OLDLINE="hardware" && continue ;; |
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| 46 | "ethernet") [ "$OLDLINE" == "hardware" ] && OLDLINE="hardware ethernet" && continue ;; |
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| 47 | "fixed-address") OLDLINE="fixed-address" && continue ;; |
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| 48 | "}") [ "$HOST" == "" ] || echo "$HOST;${MAC%%;};${IP%%;}" >> $TMP_DHCP |
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| 49 | HOST="" |
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| 50 | IP="" |
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| 51 | MAC="" |
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| 52 | continue |
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| 53 | ;; |
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| 54 | esac |
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| 55 | case "$OLDLINE" in |
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| 56 | "host") HOST=$LINE ;; |
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| 57 | "hardware ethernet") MAC=$(echo $LINE|sed s/://g) ;; |
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| 58 | "fixed-address") IP=$LINE ;; |
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| 59 | esac |
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| 60 | OLDLINE="" |
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| 61 | done |
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| 62 | # Ordeno el fichero |
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| 63 | sort -o $TMP_DHCP $TMP_DHCP |
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| 64 | |
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| 65 | # Creo fichero temporal del mysql, de la base de datos de opengnsys |
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| 66 | dbexec "select CONCAT_WS (';', nombreordenador, mac, ip) from ordenadores order by nombreordenador;" > $TMP_MYSQL |
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| 67 | |
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| 68 | # Comparo los ficheros |
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| 69 | echo "Comparamos las configuraciones: < dhcp y > mysql" |
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| 70 | diff -bi $TMP_DHCP $TMP_MYSQL && echo "El fichero del servicio dhcp y la base de datos de ogAdmBD tienen la misma configuracion" |
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| 71 | |
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| 72 | rm -f $TMP_DHCP $TMP_MYSQL |
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| 73 | |
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