openldap/servers/slapd/back-meta/modify.c

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/*
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* Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*
* Copyright 2001, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
*
* This work has been developed to fulfill the requirements
* of SysNet s.n.c. <http:www.sys-net.it> and it has been donated
* to the OpenLDAP Foundation in the hope that it may be useful
* to the Open Source community, but WITHOUT ANY WARRANTY.
*
* Permission is granted to anyone to use this software for any purpose
* on any computer system, and to alter it and redistribute it, subject
* to the following restrictions:
*
* 1. The author and SysNet s.n.c. are not responsible for the consequences
* of use of this software, no matter how awful, even if they arise from
* flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits should appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits should appear in the documentation.
* SysNet s.n.c. cannot be responsible for the consequences of the
* alterations.
*
* 4. This notice may not be removed or altered.
*
*
* This software is based on the backend back-ldap, implemented
* by Howard Chu <hyc@highlandsun.com>, and modified by Mark Valence
* <kurash@sassafras.com>, Pierangelo Masarati <ando@sys-net.it> and other
* contributors. The contribution of the original software to the present
* implementation is acknowledged in this copyright statement.
*
* A special acknowledgement goes to Howard for the overall architecture
* (and for borrowing large pieces of code), and to Mark, who implemented
* from scratch the attribute/objectclass mapping.
*
* The original copyright statement follows.
*
* Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
*
* Permission is granted to anyone to use this software for any purpose
* on any computer system, and to alter it and redistribute it, subject
* to the following restrictions:
*
* 1. The author is not responsible for the consequences of use of this
* software, no matter how awful, even if they arise from flaws in it.
*
* 2. The origin of this software must not be misrepresented, either by
* explicit claim or by omission. Since few users ever read sources,
* credits should appear in the documentation.
*
* 3. Altered versions must be plainly marked as such, and must not be
* misrepresented as being the original software. Since few users
* ever read sources, credits should appear in the
* documentation.
*
* 4. This notice may not be removed or altered.
*
*/
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/socket.h>
#include "slap.h"
#include "../back-ldap/back-ldap.h"
#include "back-meta.h"
int
meta_back_modify(
Backend *be,
Connection *conn,
Operation *op,
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struct berval *dn,
struct berval *ndn,
Modifications *modlist
)
{
struct metainfo *li = ( struct metainfo * )be->be_private;
struct metaconn *lc;
LDAPMod **modv;
LDAPMod *mods;
Modifications *ml;
int candidate = -1, i;
char *mdn;
struct berval mapped;
lc = meta_back_getconn( li, conn, op, META_OP_REQUIRE_SINGLE,
ndn, &candidate );
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if ( !lc || !meta_back_dobind( lc, op ) || !meta_back_is_valid( lc, candidate ) ) {
send_ldap_result( conn, op, LDAP_OTHER,
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NULL, NULL, NULL, NULL );
return -1;
}
/*
* Rewrite the modify dn, if needed
*/
switch ( rewrite_session( li->targets[ candidate ]->rwinfo,
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"modifyDn", dn->bv_val, conn, &mdn ) ) {
case REWRITE_REGEXEC_OK:
if ( mdn == NULL ) {
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mdn = ( char * )dn->bv_val;
}
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#ifdef NEW_LOGGING
LDAP_LOG( BACK_META, DETAIL1,
"[rw] modifyDn: \"%s\" -> \"%s\"\n", dn->bv_val, mdn, 0 );
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#else /* !NEW_LOGGING */
Debug( LDAP_DEBUG_ARGS, "rw> modifyDn: \"%s\" -> \"%s\"\n%s",
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dn->bv_val, mdn, "" );
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#endif /* !NEW_LOGGING */
break;
case REWRITE_REGEXEC_UNWILLING:
send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
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NULL, "Operation not allowed", NULL, NULL );
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return -1;
case REWRITE_REGEXEC_ERR:
send_ldap_result( conn, op, LDAP_OTHER,
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NULL, "Rewrite error", NULL, NULL );
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return -1;
}
for ( i = 0, ml = modlist; ml; i++ ,ml = ml->sml_next )
;
mods = ch_malloc( sizeof( LDAPMod )*i );
if ( mods == NULL ) {
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if ( mdn != dn->bv_val ) {
free( mdn );
}
return -1;
}
modv = ( LDAPMod ** )ch_malloc( ( i + 1 )*sizeof( LDAPMod * ) );
if ( modv == NULL ) {
free( mods );
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if ( mdn != dn->bv_val ) {
free( mdn );
}
return -1;
}
for ( i = 0, ml = modlist; ml; ml = ml->sml_next ) {
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int j;
if ( ml->sml_desc->ad_type->sat_no_user_mod ) {
continue;
}
ldap_back_map( &li->targets[ candidate ]->at_map,
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&ml->sml_desc->ad_cname, &mapped,
BACKLDAP_MAP );
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if ( mapped.bv_val == NULL || mapped.bv_val[0] == '\0' ) {
continue;
}
modv[ i ] = &mods[ i ];
mods[ i ].mod_op = ml->sml_op | LDAP_MOD_BVALUES;
mods[ i ].mod_type = mapped.bv_val;
/*
* FIXME: dn-valued attrs should be rewritten
* to allow their use in ACLs at the back-ldap
* level.
*/
if ( strcmp( ml->sml_desc->ad_type->sat_syntax->ssyn_oid,
SLAPD_DN_SYNTAX ) == 0 ) {
ldap_dnattr_rewrite(
li->targets[ candidate ]->rwinfo,
ml->sml_bvalues, conn );
}
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if ( ml->sml_bvalues != NULL ){
for (j = 0; ml->sml_bvalues[ j ].bv_val; j++);
mods[ i ].mod_bvalues = (struct berval **)ch_malloc((j+1) *
sizeof(struct berval *));
for (j = 0; ml->sml_bvalues[ j ].bv_val; j++)
mods[ i ].mod_bvalues[ j ] = &ml->sml_bvalues[j];
mods[ i ].mod_bvalues[ j ] = NULL;
} else {
mods[ i ].mod_bvalues = NULL;
}
i++;
}
modv[ i ] = 0;
ldap_modify_s( lc->conns[ candidate ].ld, mdn, modv );
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if ( mdn != dn->bv_val ) {
free( mdn );
}
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for ( i=0; modv[ i ]; i++)
free( modv[ i ]->mod_bvalues );
free( mods );
free( modv );
return meta_back_op_result( lc, op );
}