{"id":12,"date":"2012-02-24T13:07:58","date_gmt":"2012-02-24T12:07:58","guid":{"rendered":"http:\/\/www.jbahillo.com\/?page_id=12"},"modified":"2012-06-11T09:27:32","modified_gmt":"2012-06-11T08:27:32","slug":"listado-ips","status":"publish","type":"page","link":"https:\/\/www.jbahillo.com\/?page_id=12","title":{"rendered":"[Bash] Listado IP’s"},"content":{"rendered":"

Este c\u00f3digo no es de mucha utilidad per se, solo es una prueba de concepto de como podr\u00edamos sacar todas las IP’s de un rango dado:<\/p>\n

\n#!\/bin\/bash\n#comprobamos que han introducido al menos un parametro\nif [ -z $1 ] \n\tthen\n\t  \t\n\techo "No ha especificado ningun parametro. Por favor incluya la IP origen del rango y la IP final del rango"\n\t\nelse\n\tif [ -z $2 ]\n\tthen\n\t\techo "Debe introducir como segundo par\u00e1metro la IP final del rango"\n\telse\n\t\t\n\t\tlet BIT1=`echo $1 | cut -d "." -f 1`\n\t\tlet BIT2=`echo $1 | cut -d "." -f 2`\n\t\tlet BIT3=`echo $1 | cut -d "." -f 3`\n\t\tlet BIT4=`echo $1 | cut -d "." -f 4`\n\n\t\tlet BIT11=`echo $2 | cut -d "." -f 1`\n\t\tlet BIT12=`echo $2 | cut -d "." -f 2`\n\t\tlet BIT13=`echo $2 | cut -d "." -f 3`\n\t\tlet BIT14=`echo $2 | cut -d "." -f 4`\n\n\t\twhile [ "$BIT4" -lt "$BIT14" ]; do\n\t\t\techo "nmap $BIT1.$BIT2.$BIT3.$BIT4"\n\t\t\tlet "BIT4 = $BIT4 + 1"\n\t\tdone\n\n\n\t\twhile [ "$BIT3" -lt "$BIT13" ]; do\n\t\t        echo "nmap $BIT1.$BIT2.$BIT3.$BIT4"\n\t      \n\t\t\tlet BIT4=`echo $1 | cut -d "." -f 4`\n\t\t\twhile [ "$BIT4" -lt "$BIT14" ]; do\n\t\t        \techo "nmap $BIT1.$BIT2.$BIT3.$BIT4"\n\t\t      \t\tlet "BIT4 = $BIT4 + 1"\n\t\t\tdone\n\t\t\tlet "BIT3 = $BIT3 + 1"\n\t\tdone\n\n\n\t\twhile [ "$BIT2" -lt "$BIT12" ]; do\n\t\t        echo "nmap $BIT1.$BIT2.$BIT3.$BIT4"\n\t\t        let "BIT2 = $BIT2 + 1"\n\t\t\tlet BIT3=`echo $1 | cut -d "." -f 3`\n\t\t\twhile [ "$BIT3" -lt "$BIT13" ]; do\n        \t\t\techo "nmap $BIT1.$BIT2.$BIT3.$BIT4"\n       \t\t\t\tlet "BIT3 = $BIT3 + 1"\n\t\t\t\tlet BIT4=`echo $1 | cut -d "." -f 4`         \t\n\t\t\t\twhile [ "$BIT4" -lt "$BIT14" ]; do\n                \t\t\techo "nmap $BIT1.$BIT2.$BIT3.$BIT4"\n                \t\t\tlet "BIT4 = $BIT4 + 1"\n        \t\t\tdone\n \t\t\tdone\n \t\tdone\n\n\t\twhile [ "$BIT1" -lt "$BIT11" ]; do\n        \t\techo "nmap $BIT1.$BIT2.$BIT3.$BIT4"\n        \t\tlet "BIT1 = $BIT1 + 1"\n\t\t\tlet BIT2=`echo $1 | cut -d "." -f 2`\t\n\t\t\twhile [ "$BIT2" -lt "$BIT12" ]; do\n        \t\t\techo "nmap $BIT1.$BIT2.$BIT3.$BIT4"\n        \t\t\tlet "BIT2 = $BIT2 + 1"\n\t\t\t\tlet BIT3=`echo $1 | cut -d "." -f 3`\n\t        \t\twhile [ "$BIT3" -lt "$BIT13" ]; do\n        \t       \t\t\techo "nmap $BIT1.$BIT2.$BIT3.$BIT4"\n                \t\t\tlet "BIT3 = $BIT3 + 1"\n\t\t\t\t\tlet BIT4=`echo $1 | cut -d "." -f 4`           \t\n\t\t\t\t\twhile [ "$BIT4" -lt "$BIT14" ]; do\n                        \t\t\techo "nmap $BIT1.$BIT2.$BIT3.$BIT4"\n                        \t\t\tlet "BIT4 = $BIT4 + 1"\n\t\t\t\t\tdone\n\t\t        \tdone\n\t\t\tdone\n\t\tdone\n\tfi\nfi\n\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
Este c\u00f3digo no es de mucha utilidad per se, solo es una prueba de concepto de como podr\u00edamos sacar todas las IP’s de un rango dado: #!\/bin\/bash #comprobamos que han introducido al menos un parametro if [ -z $1 ]…<\/p>\n
Read more →<\/a><\/p>\n","protected":false},"author":21,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"closed","template":"page_fullwidth.php","meta":{"ep_exclude_from_search":false,"footnotes":""},"class_list":["post-12","page","type-page","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t