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170 lines
5.1 KiB
Groff
170 lines
5.1 KiB
Groff
.TH SLAPO-RETCODE5 "RELEASEDATE" "OpenLDAP LDVERSION"
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.\" Copyright 1998-2004 The OpenLDAP Foundation, All Rights Reserved.
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.\" Copying restrictions apply. See the COPYRIGHT file.
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.\" Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
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.\" $OpenLDAP$
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.SH NAME
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slapo-retcode \- return code overlay
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.SH SYNOPSIS
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ETCDIR/slapd.conf
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.SH DESCRIPTION
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The
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.B retcode
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overlay to
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.BR slapd (8)
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is useful to test the behavior of clients when server-generated erroneous
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and/or unusual responses occur, e.g. error codes, referrals,
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excessive response times and so on.
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The error responses are generated according to different strategies.
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.LP
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In the first case, all operations targeted at a specific configurable
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subtree cause the object related to the request DN to be looked up
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and checked for return code data: a response code, plus an optional
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textual message, an optional configurable delay, and, when the response code
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is referral, a (list of) referral(s).
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.LP
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Well-known response codes from standard track documents are provided
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in \fBretcode.conf\fP, which can be included after instantiating
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the overlay.
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.LP
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In the second case, objects of classes inherited from
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the \fBerrAbsObject\fP, like \fBerrObject\fP or \fBerrAuxObject\fP,
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when returned as intermediate responses of a search request, are changed
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into the response dictated by their content.
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.LP
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A third mode causes objects to be looked up from the underlying database
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to discover if their class inherits from \fBerrABsObject\fP;
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in that case, their content is used to compute the corresponding response.
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.LP
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The behavior is disabled by using the \fBmanageDSAit\fP control (RFC 3296);
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in that case, the resulting object, either present in the directory
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or dynamically generated by the overlay, or contained in the request,
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is handled as usual.
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.LP
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The config directives that are specific to the
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.B retcode
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overlay must be prefixed by
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.BR retcode\- ,
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to avoid conflicts with directives specific to the underlying database
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or to other stacked overlays. The following specific directives
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can be used to configure the retcode overlay:
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.TP
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.B retcode\-parent <DN>
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This directive defines the parent DN where dynamically generated
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entries reside.
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If not defined, the suffix of the database is used.
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.HP
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.hy 0
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.B retcode\-item <RDN> <errCode> [op=<oplist>] [text=<message>]
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.B [ref=<referral>] [sleeptime=<sec>]
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.RS
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A dynamically generated entry, located below \fBretcode\-parent\fP.
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The \fB<errCode>\fP is the number of the response code;
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it can be in any format supported by strtol.
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The optional \fB<oplist>\fP is a list of operations that cause
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response code generation; if absent, all operations are affected.
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The \fBref\fP field is only allowed for the \fBreferral\fP
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response code.
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.RE
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.TP
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.B retcode\-indir
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Enables exploitation of in-directory stored errAbsObject.
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May result in a lot of unnecessary overhead.
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.SH SCHEMA
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The following schema items are created and used by the overlay:
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.LP
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The error code:
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.RS 4
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( 1.3.6.1.4.1.4203.666.11.4.1.1
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NAME ( 'errCode' )
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DESC 'LDAP error code'
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EQUALITY integerMatch
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ORDERING integerOrderingMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
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SINGLE-VALUE )
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.RE
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.LP
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The operations that trigger the response code:
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.RS 4
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( 1.3.6.1.4.1.4203.666.11.4.1.2
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NAME ( 'errOp' )
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DESC 'Operations the errObject applies to'
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EQUALITY caseIgnoreMatch
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SUBSTR caseIgnoreSubstringsMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )
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.RE
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.LP
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The text message:
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.RS 4
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( 1.3.6.1.4.1.4203.666.11.4.1.3
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NAME ( 'errText' )
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DESC 'LDAP error textual description'
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EQUALITY caseIgnoreMatch
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SUBSTR caseIgnoreSubstringsMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.15
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SINGLE-VALUE )
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.RE
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.LP
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The sleep time before the response is actually returned to the client:
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.RS 4
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( 1.3.6.1.4.1.4203.666.11.4.1.4
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NAME ( 'errSleepTime' )
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DESC 'Time to wait before returning the error'
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EQUALITY integerMatch
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SYNTAX 1.3.6.1.4.1.1466.115.121.1.27
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SINGLE-VALUE )
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.RE
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.LP
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The abstract class that triggers the overlay:
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.RS 4
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( 1.3.6.1.4.1.4203.666.11.4.3.0
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NAME ( 'errAbsObject' )
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SUP top ABSTRACT
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MUST ( errCode )
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MAY ( cn $ description $ errOp $ errText $ errSleepTime ) )
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.RE
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.LP
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The standalone structural objectclass for specifically created data:
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.RS 4
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( 1.3.6.1.4.1.4203.666.11.4.3.1
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NAME ( 'errObject' )
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SUP errAbsObject STRUCTURAL )
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.RE
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.LP
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The auxiliary objectclass to alter the behavior of existing objects:
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.RS 4
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( 1.3.6.1.4.1.4203.666.11.4.3.2
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NAME ( 'errAuxObject' )
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SUP errAbsObject AUXILIARY )
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.RE
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.SH EXAMPLE
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.LP
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.RS
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.nf
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overlay retcode
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retcode-parent "ou=RetCodes,dc=example,dc=com"
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include ./retcode.conf
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# Wait 10 seconds, then return success (0x00)
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retcode-item "cn=Success after 10 seconds" 0x00 sleeptime=10
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# Wait 10 seconds, then return timelimitExceeded (0x03)
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retcode-item "cn=Timelimit after 10 seconds" 0x03 sleeptime=10
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.fi
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.RE
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.LP
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.LP
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.SH FILES
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.TP
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ETCDIR/slapd.conf
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default slapd configuration file
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.SH SEE ALSO
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.BR slapd.conf (5),
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.BR slapd (8),
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.SH ACKNOWLEDGEMENTS
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.P
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This module was written in 2005 by Pierangelo Masarati for SysNet s.n.c.
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