RE: How do I force an FTP user to '/home/ftpdir'? -- MIDRANGE-L

So you have the home directory set at signon and are allowing TECHSUPPRT
to sign on. Now you want to restrict them to that directory correct?
You are now looking at the ftp server exit point.  If you don't want to
get into writing an exit program for this server you'll want to look at
the various packages on the market.  Some are better than others just
like all products.

I'm partial to NetworkSecurity from The PowerTech Group <G>.  If your
interested in NetworkSecurity you can go to our website and download a
demo version.  You won't forego any development cost of your own exit
program with NetworkSecurity.  You can have NetworkSecurity run yours as
supplemental to ours.


Gary Monnier | Senior Software Developer

19426 68th Ave. S
Kent, WA 98032
(253) 872-7788 ext. 308
gary.monnier@xxxxxxxxxxxxx
www.powertech.com 
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-----Original Message-----
From: midrange-l-bounces@xxxxxxxxxxxx
[mailto:midrange-l-bounces@xxxxxxxxxxxx] On Behalf Of Tom Hightower
Sent: Friday, February 18, 2005 1:09 PM
To: midrange-l@xxxxxxxxxxxx
Subject: Re: How do I force an FTP user to '/home/ftpdir'?


Using WRKREGINF, I've added my program FTPLOGON to exit point
QIBM_QTMF_SVR_LOGON, format TCPL0200.  I've used a variant of this same 
program at format TCPL0100 for a couple of years to control FTP login 
access, and it's worked flawlessly.

This is my *entry parm list for the program:

c     *Entry        Plist
  *
  * Input parameters
c                   Parm                    AppId
c                   Parm                    UserId
c                   Parm                    UserIdLen
c                   Parm                    Authen
c                   Parm                    AuthenLen
c                   Parm                    IpAddr
c                   Parm                    IpAddrLen

  * Return parameters
c                   Parm                    RtnCode
c                   Parm                    User
c                   Parm                    Password
c                   Parm                    CurrLib
  *  added for format TCPL0200
c                   parm                    HomeDir
c                   parm                    HomeDirLen


And this is the d-specs for those fields:
D AppId           S              9B 0
D UserId          S            999
D UserIdLen       S              9B 0
D Authen          S            999
D AuthenLen       S              9B 0
D IpAddr          S             15
D IpAddrLen       S              9B 0
D RtnCode         S              9B 0
D User            S             10
D Password        S             10
D CurrLib         S             10
d homedir         S            999
d homedirlen      S              9b 0


In my program, I'm checking for the value of the UserId field; if it's 
'TECHSUPPRT', I set homedir and homedir thusly:
if FTPUser = TECHSUPPRT;
   homedir    = '/home/tech/software';
   homedirlen = %len(%trim(homedir));
endif;


My question is:
1) what value should I assign to RtnCode so that the FTP user is forced 
into /home/tech/software?  I want it so that if they do 'dir' (using 
DOS-style FTP client), all they see is the contents of the 
'/home/tech/software'.

Tom

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