108 lines
6.7 KiB
HTML
108 lines
6.7 KiB
HTML
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<meta name="DC.Title" content="Example: DRDA server access control exit program" />
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<meta name="abstract" content="This exit program shows an example of a PL/I exit program that allows all DRDA operations and all DRDA connections except when the user ID is ALIEN." />
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<meta name="description" content="This exit program shows an example of a PL/I exit program that allows all DRDA operations and all DRDA connections except when the user ID is ALIEN." />
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<title>Example: DRDA server
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access control exit program</title>
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</head>
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<body id="rbal1sacep"><a name="rbal1sacep"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Example: DRDA server
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access control exit program</h1>
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<div><p>This exit program shows an example of a PL/I exit program that
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allows all DRDA<sup>®</sup> operations
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and all DRDA connections
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except when the user ID is ALIEN.</p>
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<div class="section"><div class="note"><span class="notetitle">Note:</span> By using the code examples, you agree to the terms of the <a href="codedisclaimer.htm">Code license and disclaimer information</a>.</div>
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<div class="fignone" id="rbal1sacep__rbal1exitpgmxmp"><a name="rbal1sacep__rbal1exitpgmxmp"><!-- --></a><span class="figcap">Figure 1. Example
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PL/I user exit program</span><pre>/**********************************************************************/
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/* */
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/* PROGRAM NAME: UEPALIEN */
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/* */
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/* FUNCTION: USER EXIT PROGRAM THAT IS DESIGNED TO */
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/* RETURN AN UNSUCCESSFUL RETURN CODE WHEN */
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/* USERID 'ALIEN' ATTEMPTS A DRDA CONNECTION. */
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/* IT ALLOWS ALL TYPES OF DDM OPERATIONS. */
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/* */
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/* EXECUTION: CALLED WHEN ESTABLISHED AS THE USER EXIT */
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/* PROGRAM. */
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/* */
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/* ALL PARAMETER VARIABLES ARE PASSED IN EXCEPT: */
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/* */
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/* RTNCODE - USER EXIT RETURN CODE ON WHETHER FUNCTION IS */
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/* ALLOWED: '1' INDICATES SUCCESS; '0' FAILURE. */
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/* */
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/**********************************************************************/
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UEPALIEN: PROCEDURE (RTNCODE,CHARFLD);
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DECLARE RTNCODE CHAR(1); /* DECLARATION OF THE EXIT */
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/* PROGRAM RETURN CODE. IT */
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/* INFORMS REQUEST HANDLER */
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/* WHETHER REQUEST IS ALLOWED. */
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DECLARE /* DECLARATION OF THE CHAR */
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1 CHARFLD, /* FIELD PASSED IN ON THE CALL. */
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2 USER CHAR(10), /* USER PROFILE OF DDM/DRDA USER */
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2 APP CHAR(10), /* APPLICATION NAME */
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2 FUNC CHAR(10), /* REQUESTED FUNCTION */
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2 OBJECT CHAR(10), /* FILE NAME */
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2 DIRECT CHAR(10), /* LIBRARY NAME */
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2 MEMBER CHAR(10), /* MEMBER NAME */
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2 RESERVED CHAR(10), /* RESERVED FIELD */
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2 LNGTH PIC '99999', /* LENGTH OF USED SPACE IN REST */
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2 REST, /* REST OF SPACE = CHAR(2000) */
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3 LUNAME CHAR(10), /* REMOTE LU NAME (IF SNA) */
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3 SRVNAME CHAR(10), /* REMOTE SERVER NAME */
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3 TYPDEFN CHAR(9), /* TYPE DEF NAME OF DRDA AR */
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3 PRDID, /* PRODUCT ID OF DRDA AR */
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5 PRODUCT CHAR(3), /* PRODUCT CODE */
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5 VERSION CHAR(2), /* VERSION ID */
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5 RELEASE CHAR(2), /* RELEASE ID */
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5 MOD CHAR(1), /* MODIFICATION LEVEL */
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5 RDBNAME CHAR(18), /* RDB NAME */
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5 REMAING CHAR(1965), /* REMAINING VARIABLE SPACE */
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START:
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IF (USER = 'ALIEN' & /* IF USER IS 'ALIEN' AND */
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FUNC = 'SQLCNN') THEN /* FUNCTION IS DRDA CONNECT */
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RTNCODE = '0'; /* SET RETURN CODE TO UNSUCCESSFUL */
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ELSE /* IF ANY OTHER USER, OR DDM */
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RTNCODE = '1'; /* SET RETURN CODE TO SUCCESSFUL */
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END UEPALIEN;</pre>
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</div>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rbal1exitpgms.htm" title="A security feature of the Distributed Relational Database Architecture (DRDA) server, for use with both Advanced Program-to-Program Communication (APPC) and TCP/IP, extends the use of the DDMACC parameter of the Change Network Attributes (CHGNETA) command to DRDA.">DRDA server access control exit programs</a></div>
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</div>
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</div>
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</body>
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</html> |