openldap/servers/slapd/delete.c

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/*
* Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of Michigan at Ann Arbor. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/string.h>
#include <ac/socket.h>
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#include "slap.h"
void
do_delete(
Connection *conn,
Operation *op
)
{
char *ndn;
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Backend *be;
Debug( LDAP_DEBUG_TRACE, "do_delete\n", 0, 0, 0 );
/*
* Parse the delete request. It looks like this:
*
* DelRequest := DistinguishedName
*/
if ( ber_scanf( op->o_ber, "a", &ndn ) == LBER_ERROR ) {
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Debug( LDAP_DEBUG_ANY, "ber_scanf failed\n", 0, 0, 0 );
send_ldap_result( conn, op, LDAP_PROTOCOL_ERROR, NULL, "" );
return;
}
#ifdef GET_CTRLS
if( get_ctrls( conn, op, 1 ) == -1 ) {
free( ndn );
Debug( LDAP_DEBUG_ANY, "do_add: get_ctrls failed\n", 0, 0, 0 );
return;
}
#endif
Debug( LDAP_DEBUG_ARGS, "do_delete: dn (%s)\n", ndn, 0, 0 );
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dn_normalize_case( ndn );
Debug( LDAP_DEBUG_STATS, "DEL dn=\"%s\"\n", ndn, 0, 0 );
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/*
* We could be serving multiple database backends. Select the
* appropriate one, or send a referral to our "referral server"
* if we don't hold it.
*/
if ( (be = select_backend( ndn )) == NULL ) {
free( ndn );
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send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
default_referral );
return;
}
/* alias suffix if approp */
ndn = suffixAlias( ndn, op, be );
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/*
* do the delete if 1 && (2 || 3)
* 1) there is a delete function implemented in this backend;
* 2) this backend is master for what it holds;
* 3) it's a replica and the dn supplied is the update_ndn.
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*/
if ( be->be_delete ) {
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/* do the update here */
if ( be->be_update_ndn == NULL ||
strcmp( be->be_update_ndn, op->o_ndn ) == 0 )
{
if ( (*be->be_delete)( be, conn, op, ndn ) == 0 ) {
replog( be, LDAP_REQ_DELETE, ndn, NULL, 0 );
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}
} else {
send_ldap_result( conn, op, LDAP_PARTIAL_RESULTS, NULL,
default_referral );
}
} else {
send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM, NULL,
"Function not implemented" );
}
free( ndn );
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}