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Full Discussion: Need Help With making this script
Top Forums Shell Programming and Scripting Need Help With making this script Post 302923158 by tHe666 on Thursday 30th of October 2014 07:02:12 PM
Old 10-30-2014
Linux Need Help With making this script
Hello, im a new user on this site and learning scripting very slowly at a understanding pace. However i am up with a challenge and require help completing this.

The script has to include arguments, variables, decisions and loops. So the script is about calculating the broadcast address for any given IP address and subnet mask...below is the layout of script details, Any help?

Code:
$ ./my_broadcast_calc 172.16.200.123/255.255.255.0


            172.16.200.255


 $ ./my_broadcast_calc 172.16.200.123/25


            172.16.200.255


 $ ./my_broadcast_calc 172.16.200.123/0xffffff00 -hex


            0xac10c8ff


The script should be able to handle the option –hex (which means display the final output in hexadecimal format). If the option is not provided, the the script should always display the result as in decimal (base 10) format.
Last edited by rbatte1; 11-03-2014 at 10:38 AM.. Reason: Added CODE tags
 

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LEARN ABOUT DEBIAN

rlm_ippool_tool

RLM_IPPOOL_TOOL(8)					      System Manager's Manual						RLM_IPPOOL_TOOL(8)

NAME

       rlm_ippool_tool - dump the contents of the FreeRadius ippool database files

SYNOPSIS

       If an ipaddress is specified then that address is used to limit the actions or output.

       rlm_ippool_tool [-a] [-c] [-o] [-v] session-db index-db [ipaddress]

       Mark the entry nasIP/nasPort as having ipaddress

       rlm_ippool_tool -n session-db index-db ipaddress nasIP nasPort

       Update old format database to new.

       rlm_ippool_tool -u session-db new-session-db

DESCRIPTION

       rlm_ippool_tool dumps the contents of the FreeRADIUS ippool databases for analyses or for removal of active (stuck?) entries.

       Or with the -n argument adds a usage entry to the FreeRADIUS ippool databases.

OPTIONS

       -a     Print all active entries.

       -c     Report number of active entries.

       -r     Remove active entries.

       -v     Verbose report of all entries.

       -o     Assume old database format (nas/port pair, not md5 output).

       -n     Mark the entry nasIP/nasPort as having ipaddress.

       -u     Update old format database to new.

EXAMPLES

       Given the syntax in the FreeRadius radiusd.conf:

	       ippool myippool {
		   range-start = 192.168.1.0
		   range-stop = 192.168.1.255
		   [...]
		   session-db = ${raddbdir}/ip-pool.db
		   ip-index = ${raddbdir}/ip-index.db
	       }

       To see the number of active entries in this pool, use:

	       $ rlm_ippool_tool -c ip-pool.db ip-index.db
	       13

       To see all active entries in this pool, use:

	       $ rlm_ippool_tool -a ip-pool.db ip-index.db
	       192.168.1.5
	       192.168.1.82
	       192.168.1.244
	       192.168.1.57
	       192.168.1.120
	       192.168.1.27
	       [...]

       To see all information about the active entries in the use, use:

	       $ rlm_ippool_tool -av ip-pool.db ip-index.db
	       NAS:172.16.1.1 port:0x2e8 - ipaddr:192.168.1.5 active:1 cli:0 num:1
	       NAS:172.16.1.1 port:0x17c - ipaddr:192.168.1.82 active:1 cli:0 num:1
	       NAS:172.16.1.1 port:0x106 - ipaddr:192.168.1.244 active:1 cli:0 num:1
	       NAS:172.16.1.1 port:0x157 - ipaddr:192.168.1.57 active:1 cli:0 num:1
	       NAS:172.16.1.1 port:0x2d8 - ipaddr:192.168.1.120 active:1 cli:0 num:1
	       NAS:172.16.1.1 port:0x162 - ipaddr:192.168.1.27 active:1 cli:0 num:1
	       [...]

       To see only information of one entry, use:

	       $ rlm_ippool_tool -v ip-pool.db ip-index.db 192.168.1.1
	       NAS:172.16.1.1 port:0x90 - ipaddr:192.168.1.1 active:0 cli:0 num:0

       To add an IP address usage entry, use:

	       $ rlm_ippool_tool -n ip-pool.db ip-index.db 192.168.1.1 172.16.1.1 0x90
	       rlm_ippool_tool: Allocating ip to nas/port: 172.16.1.1/144
	       rlm_ippool_tool: num: 1
	       rlm_ippool_tool: Allocated ip 192.168.1.1 to client on nas 172.16.1.1,port 144

SEE ALSO

       radiusd(8)

AUTHORS

       Currently   part   of   the   FreeRADIUS   Project   (http://www.freeradius.org)   Originally   by   Edwin   Groothuis,	 edwin@mavetju.org
       (http://www.mavetju.org)

       Mailing list details are at http://www.freeradius.org/

																RLM_IPPOOL_TOOL(8)
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