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I forget what the individual &OPID's mean, but are'nt you ONLY allowing PUTS 
and nothing else, including sign-on?

>>> "Frank W. Kany IV" <frank.kany@burr-reid.org> 05/29/02 08:19AM >>>
I wrote a simple exit program for exit point "QIBM_QTMF_SVR_LOGON" that
works.  It controls who can signon through FTP in MS-DOS.

Now I'm trying get an exit program for exit point "QIBM_QTMF_SERVER_REQ" to
allow only certain FTP commands.  However, when I add the exit program to
the exit point, the FTP connection is refused by the AS/400.  Anyone see
something I'm missing from the program?  Below are steps I have taken, the
FTP session, and the CL source code for the exit program.

1) ENDTCPSVR *FTP
2) add exit program to QIBM_QTMF_SERVER_REQ
3) STRTCPSVR *FTP
4) Open MS-DOS, then try to sign into the AS/400 via FTP

Below is what happens when I try to FTP into our AS/400:
==========================
C:\WINDOWS>ftp 192.168.xxx.xx
Connected to 192.168.xxx.xx.
421 Connection refused.
Connection closed by remote host.

C:\WINDOWS>
==========================

Below is the CL program:
==========================
PGM        PARM(&APPIDIN &OPIDIN &USRPRF &IPADDRIN +
             &IPLENIN &OPINFOIN &OPLENIN &ALLOWOP)

DCL        VAR(&APPIDIN)      TYPE(*CHAR) LEN(4)
DCL        VAR(&OPIDIN)       TYPE(*CHAR) LEN(4)
DCL        VAR(&USRPRF)      TYPE(*CHAR) LEN(10)
DCL        VAR(&IPADDRIN)  TYPE(*CHAR) LEN(15)
DCL        VAR(&IPLENIN)     TYPE(*CHAR) LEN(4)
DCL        VAR(&OPLENIN)   TYPE(*CHAR) LEN(4)
DCL        VAR(&OPINFOIN)  TYPE(*CHAR) LEN(9999)
DCL        VAR(&ALLOWOP)  TYPE(*CHAR) LEN(4)

DCL        VAR(&APPID)          TYPE(*DEC) LEN(1 0)
DCL        VAR(&OPID)            TYPE(*DEC) LEN(1 0)
DCL        VAR(&IPLEN)          TYPE(*DEC) LEN(5 0)
DCL        VAR(&IPADDR)       TYPE(*CHAR) LEN(15)
DCL        VAR(&OPLEN)         TYPE(*DEC) LEN(5 0)
DCL        VAR(&OPINFO)       TYPE(*CHAR) LEN(9999)
DCL        VAR(&PATHNAME) TYPE(*CHAR) LEN(9999)

DCL        VAR(&ALLOW)       TYPE(*DEC) LEN(1 0) VALUE(1)
DCL        VAR(&NOALLOW) TYPE(*DEC) LEN(1 0) VALUE(0)

DCL        VAR(&CASEREQ) TYPE(*CHAR) LEN(22)                +
                VALUE(X'00000001000000000000000000000000000 +
                              000000000')
DCL        VAR(&ERROR) TYPE(*CHAR) LEN(4)                        +
                VALUE(X'00000000')

CHGVAR     VAR(&APPID)    VALUE(%BINARY(&APPIDIN))
CHGVAR     VAR(&OPID)      VALUE(%BINARY(&OPIDIN))
CHGVAR     VAR(&IPLEN)    VALUE(%BINARY(&IPLENIN))
CHGVAR     VAR(&IPADDR) VALUE(%SUBSTRING(&IPADDRIN 1 +
             &IPLEN))
CHGVAR     VAR(&OPLEN) VALUE(%BINARY(&OPLENIN))

//*only allow "put" operation */
IF         COND(&OPID = 1 *OR &OPID = 2 *OR &OPID = 3 +
             *OR &OPID = 4 *OR &OPID = 5 *OR &OPID = 7 +
             *OR &OPID = 8 *OR &OPID = 9) THEN(CHGVAR +
             VAR(%BINARY(&ALLOWOP)) VALUE(&NOALLOW))

RETURN

ENDPGM
=================================================

TIA,

Frank

----- Original Message -----
From: "Frank W. Kany IV" <frank.kany@burr-reid.org>
To: <rpg400-l-request@midrange.com>; <midrange-l@midrange.com>
Sent: Tuesday, May 28, 2002 8:57 AM
Subject: PC to AS/400 FTP


> This is a multi-part message in MIME format.
> --
> [ Picked text/plain from multipart/alternative ]
> Thank you all for your suggestions about writing exit programs for exit
points using examples from books such as "Cool title about the AS/400 and
the internet" and "Who knew you could do that with RPGIV".
>
> However, after a week of working on this, I am still have difficulties in
successfully implementing these exit programs.  I have pasted some of the
messages I get when I try to FTP into our AS/400.  I have also pasted the CL
program I found somewhere that I use to validate server logon.
>
> I'd like to add that the problem with being rejected from logging on and
sometimes even refused connection happens with all the exit programs I write
not just this 1 little CL program.  I duplicated every exit program that has
been put in front of me and when I implement them my connection is refused
or log on is rejected.
>
> I created the program in my library. Ran the command "WRKREGINF".
Selected "QIBM_QTMF_SVR_LOGON" with an option "8".  Added exit program
"FTPLOGON" from my library.  I wait a few minutes.  Go to MS-DOS and below
is the result:
> =========================
> C:\WINDOWS>ftp 192.168.XXX.XX
> Connected to 192.168.XXX.XX.
> 220-QTCP at 192.168.XXX.XX.
> 220 Connection will close if idle more than 5 minutes.
> User (192.168.XXX.XX:(none)): frank
> 331 Enter password.
> Password:
> 530 Log on attempt by user FRANK rejected.
> Login failed.
> ftp> quit
> 221 QUIT subcommand received.
> ===============================
>
> Source for the CL exit program:
> ========================================
> PGM        PARM(&APPIDIN &USRIN &USRLENIN &AUTIN +
>              &AUTLENIN &IPADDRIN &IPLENIN &RETCDOUT +
>              &USRPRFOUT &PASSWDOUT &CURLIBOUT)
>
> DCL        VAR(&APPIDIN)       TYPE(*CHAR) LEN(4)
> DCL        VAR(&USRIN)            TYPE(*CHAR) LEN(999)
> DCL        VAR(&USRLENIN)    TYPE(*CHAR) LEN(4)
> DCL        VAR(&AUTIN)           TYPE(*CHAR) LEN(999)
> DCL        VAR(&AUTLENIN)   TYPE(*CHAR) LEN(4)
> DCL        VAR(&IPADDRIN)    TYPE(*CHAR) LEN(15)
> DCL        VAR(&IPLENIN)        TYPE(*CHAR) LEN(4)
> DCL        VAR(&RETCDOUT)  TYPE(*CHAR) LEN(4)
> DCL        VAR(&USRPRFOUT)  TYPE(*CHAR) LEN(10)
> DCL        VAR(&PASSWDOUT) TYPE(*CHAR) LEN(10)
> DCL        VAR(&CURLIBOUT)   TYPE(*CHAR) LEN(10)
> DCL        VAR(&APPID)               TYPE(*DEC) LEN(1 0)
> DCL        VAR(&USRLEN)           TYPE(*DEC) LEN(5 0)
> DCL        VAR(&AUTLEN)          TYPE(*DEC) LEN(5 0)
> DCL        VAR(&IPLEN)               TYPE(*DEC) LEN(5 0)
>
> CHGVAR     VAR(&APPID)       VALUE(%BINARY(&APPIDIN))
> CHGVAR     VAR(&USRLEN)   VALUE(%BINARY(&USRLENIN))
> CHGVAR     VAR(&AUTLEN)  VALUE(%BINARY(&AUTLENIN))
> CHGVAR     VAR(&IPLEN)       VALUE(%BINARY(&IPLENIN))
>
> CHGVAR     VAR(&RETCDOUT) VALUE('1')
>
> IF         COND(%SST(&USRIN 1 7) = 'FRANK36') +
>              THEN(CHGVAR VAR(&RETCDOUT) VALUE('0'))
>
> RETURN
>
> ENDPGM
> =========================================
>
> What I am missing or doing wrong?
>
> Frank
> --
>
>
> _______________________________________________
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