Running nmap via bash script Post: 303026043

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Top Forums Shell Programming and Scripting Running nmap via bash script Post 303026043 by hawkeyesc72 on Monday 19th of November 2018 02:00:34 AM

11-19-2018

Registered User

Here's my script:

Code:

!/bin/bash
NETWORKS='�at networks.txt'
for NETWORK in $NETWORKS
     nmap -sn -oN /root/Desktop/$NETWORK
done
echo "Finished!"

The networks.txt file has my list of network addresses I want to scan. If I enter a single IP address, like 1.2.3.4, the script works fine and the outpu file is named 1.2.3.4.nmap. But when I enter a network address, like 1.2.3.0/24, script errors off saying it cannot open file /root/Desktop/1.2.3.0/24 for writing. This error tells me the script is at least SEEING the right information in the txt file it's just not processing it properly. If I put single ' marks around $NETWORK so that it reads /root/Desktop/'$NETWORK' the script runs and the output file name is $NETWORK and not 1.2.3.0/24.

Is there a way to associate each network address by a number instead of a name and reference that number? Like:

Code:

#1   1.2.3.0/24
#2   2.3.4.0/24

So I would code the script to take the network address and save it in a file name by its associated number (#1.nmap, #2.nmap, etc.)

Thanks!

hawkeyesc72

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LEARN ABOUT FREEBSD

networks

NETWORKS(5)						      BSD File Formats Manual						       NETWORKS(5)

NAME

     networks -- network name data base

DESCRIPTION

     The networks file contains information regarding the known networks which comprise the DARPA Internet.  For each network a single line should
     be present with the following information:

	   official network name
	   network number
	   aliases

     Items are separated by any number of blanks and/or tab characters.  A ``#'' indicates the beginning of a comment; characters up to the end of
     the line are not interpreted by routines which search the file.  This file is normally created from the official network data base maintained
     at the Network Information Control Center (NIC), though local changes may be required to bring it up to date regarding unofficial aliases
     and/or unknown networks.

     Network numbers may be specified in the conventional ``.'' (dot) notation using the inet_network(3) routine from the Internet address manipu-
     lation library, inet(3).  Network names may contain any printable character other than a field delimiter, newline, or comment character.

FILES

     /etc/networks  The networks file resides in /etc.

SEE ALSO

     getnetent(3)

HISTORY

     The networks file format appeared in 4.2BSD.

BUGS

     A name server should be used instead of a static file.

BSD
								   June 5, 1993 							       BSD