Re: dev Digest, Vol 110, Issue 8

[Jay Bosamiya <jaybosamiya () gmail com>]

Hi Bart,

I was on linux when I first replied to your mail and had tested the 
command there and it had worked, but I forgot (momentarily) that windows 
has a different escape sequence and you were using windows.
BTW, Linux uses \ to escape characters and windows uses ^

So, on Windows, your command would thus need to be
nmap -p 22,23,161,162,666,1336,80,8080,8081,2323,2222 -T4 -v -Pn 
"-PU161,162" --script snmp-sysdescr --script-args 
snmpcommunity=^'biG=d0tcat^' TESTIPADRES

While on Linux, your command would need to be
nmap -p 22,23,161,162,666,1336,80,8080,8081,2323,2222 -T4 -v -Pn 
"-PU161,162" --script snmp-sysdescr --script-args 
snmpcommunity=\'biG=d0tcat\' TESTIPADRES

Try copying and pasting the windows line exactly as it is and report back with the results.

It should work fine then. On my network, running the above command on my Windows machine (Windows 8), the error is 
there no more and nmap executes fine (except for the fact that biG=d0tcat is not my cm string).

Happy to help :)

FYI, there is some more detailed explanation below if you wish to know what and how I tested to make sure that the 
command *should* work.

Cheers,
Jay




In order to try reproducing the bug on windows and to test the escaped sequence fix, I tried the following.

I ran the following tests
[1] nmap -sU -p 161 --script snmp-sysdescr TESTIPADDRESS -n
[2] nmap -sU -p 161 --script snmp-sysdescr TESTIPADDRESS -n --script-args snmpcommunity=public
[3] nmap -sU -p 161 --script snmp-sysdescr TESTIPADDRESS -n --script-args snmpcommunity=^'public^'
[4] nmap -sU -p 161 --script snmp-sysdescr TESTIPADDRESS -n --script-args snmpcommunity=randomtest
[5] nmap -sU -p 161 --script snmp-sysdescr TESTIPADDRESS -n --script-args snmpcommunity=biG=d0tcat
[6] nmap -sU -p 161 --script snmp-sysdescr TESTIPADDRESS -n --script-args snmpcommunity=^'biG=d0tcat^'

The outputs of [1] and [2] and [3] were exactly the same (as expected)
[4] worked as expected and did not show any new data (since randomtest is not community string in my network)
[5] threw error (same as mentioned by you before)
[6] did not throw error and gave output same as [4] (since biG=d0tcat is not community string in my network, it is 
equivalent to randomtest).

On Sunday 11 May 2014 05:27 PM, Bart wrote:
> Hi Jay,
>
> Thx for your help and feedback, when i use your new commandline im
> getting the same output
>
> C:\Program Files (x86)\Nmap/nse_main.lua:1178: Value around
> '=d0tcat'\}' is invalid or is unterminated by a valid separator
> stack traceback:
>          [C]: in function 'error'
>          C:\Program Files (x86)\Nmap/nse_main.lua:1178: in function
> 'parse_string'
>          C:\Program Files (x86)\Nmap/nse_main.lua:1201: in function 'parse_table'
>          C:\Program Files (x86)\Nmap/nse_main.lua:1219: in main chunk
>          [C]: in ?
>
> The problem is i cannot use some other cm string this is the only one
> i can use in my network.
>
> Best regards
>
> Bart

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