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https://git.openldap.org/openldap/openldap.git
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f9195f9b6f
basic structures for handing language tags and binary option (but less actual code to actually support them). Provided for reference only. Will not even compile.
457 lines
8.6 KiB
C
457 lines
8.6 KiB
C
/* oc.c - object class routines */
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/* $OpenLDAP$ */
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/*
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* Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/ctype.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include "slap.h"
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#include "ldap_pvt.h"
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int is_entry_objectclass(
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Entry* e,
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const char* oc)
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{
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Attribute *attr;
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struct berval bv;
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if( e == NULL || oc == NULL || *oc == '\0' )
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return 0;
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/*
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* find objectClass attribute
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*/
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attr = attr_find(e->e_attrs, "objectclass");
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if( attr == NULL ) {
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/* no objectClass attribute */
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return 0;
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}
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bv.bv_val = (char *) oc;
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bv.bv_len = strlen( bv.bv_val );
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#ifdef SLAPD_SCHEMA_NOT_COMPAT
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/* not yet implemented */
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#else
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if( value_find(attr->a_vals, &bv, attr->a_syntax, 1) != 0) {
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/* entry is not of this objectclass */
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return 0;
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}
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#endif
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return 1;
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}
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#ifndef SLAPD_SCHEMA_NOT_COMPAT
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/* these shouldn't be hardcoded */
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static char *oc_op_usermod_attrs[] = {
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/*
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* these are operational attributes which are
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* not defined as NO-USER_MODIFICATION and
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* which slapd supports modification of.
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*
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* Currently none.
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* Likely candidate, "aci"
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*/
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NULL
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};
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static char *oc_op_attrs[] = {
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/*
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* these are operational attributes
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* most could be user modifiable
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*/
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"objectClasses",
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"attributeTypes",
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"matchingRules",
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"matchingRuleUse",
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"dITStructureRules",
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"dITContentRules",
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"nameForms",
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"ldapSyntaxes",
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"namingContexts",
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"supportedExtension",
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"supportedControl",
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"supportedSASLMechanisms",
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"supportedLDAPversion",
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"supportedACIMechanisms",
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"subschemaSubentry", /* NO USER MOD */
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NULL
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};
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/* this list should be extensible */
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static char *oc_op_no_usermod_attrs[] = {
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/*
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* Operational and 'no user modification' attributes
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* which are STORED in the directory server.
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*/
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/* RFC2252, 3.2.1 */
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"creatorsName",
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"createTimestamp",
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"modifiersName",
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"modifyTimestamp",
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NULL
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};
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#endif
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/*
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* check to see if attribute is 'operational' or not.
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*/
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int
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oc_check_op_attr( const char *type )
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{
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#ifndef SLAPD_SCHEMA_NOT_COMPAT
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return charray_inlist( oc_op_attrs, type )
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|| charray_inlist( oc_op_usermod_attrs, type )
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|| charray_inlist( oc_op_no_usermod_attrs, type );
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#else
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AttributeType *at = at_find( type );
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if( at == NULL ) return 0;
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return at->sat_usage != LDAP_SCHEMA_USER_APPLICATIONS;
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#endif
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}
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/*
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* check to see if attribute can be user modified or not.
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*/
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int
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oc_check_op_usermod_attr( const char *type )
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{
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#ifndef SLAPD_SCHEMA_NOT_COMPAT
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return charray_inlist( oc_op_usermod_attrs, type );
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#else
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/* not (yet) in schema */
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return 0;
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#endif
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}
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/*
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* check to see if attribute is 'no user modification' or not.
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*/
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int
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oc_check_op_no_usermod_attr( const char *type )
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{
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#ifndef SLAPD_SCHEMA_NOT_COMPAT
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return charray_inlist( oc_op_no_usermod_attrs, type );
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#else
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AttributeType *at = at_find( type );
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if( at == NULL ) return 0;
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return at->sat_no_user_mod;
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#endif
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}
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struct oindexrec {
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char *oir_name;
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ObjectClass *oir_oc;
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};
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static Avlnode *oc_index = NULL;
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static ObjectClass *oc_list = NULL;
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static int
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oc_index_cmp(
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struct oindexrec *oir1,
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struct oindexrec *oir2
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)
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{
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return (strcasecmp( oir1->oir_name, oir2->oir_name ));
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}
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static int
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oc_index_name_cmp(
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char *name,
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struct oindexrec *oir
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)
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{
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return (strcasecmp( name, oir->oir_name ));
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}
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ObjectClass *
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oc_find( const char *ocname )
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{
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struct oindexrec *oir = NULL;
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if ( (oir = (struct oindexrec *) avl_find( oc_index, ocname,
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(AVL_CMP) oc_index_name_cmp )) != NULL ) {
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return( oir->oir_oc );
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}
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return( NULL );
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}
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static int
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oc_create_required(
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ObjectClass *soc,
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char **attrs,
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const char **err
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)
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{
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char **attrs1;
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AttributeType *sat;
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AttributeType **satp;
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int i;
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if ( attrs ) {
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attrs1 = attrs;
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while ( *attrs1 ) {
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sat = at_find(*attrs1);
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if ( !sat ) {
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*err = *attrs1;
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return SLAP_SCHERR_ATTR_NOT_FOUND;
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}
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if ( at_find_in_list(sat, soc->soc_required) < 0) {
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if ( at_append_to_list(sat, &soc->soc_required) ) {
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*err = *attrs1;
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return SLAP_SCHERR_OUTOFMEM;
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}
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}
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attrs1++;
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}
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/* Now delete duplicates from the allowed list */
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for ( satp = soc->soc_required; *satp; satp++ ) {
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i = at_find_in_list(*satp,soc->soc_allowed);
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if ( i >= 0 ) {
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at_delete_from_list(i, &soc->soc_allowed);
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}
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}
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}
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return 0;
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}
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static int
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oc_create_allowed(
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ObjectClass *soc,
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char **attrs,
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const char **err
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)
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{
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char **attrs1;
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AttributeType *sat;
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if ( attrs ) {
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attrs1 = attrs;
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while ( *attrs1 ) {
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sat = at_find(*attrs1);
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if ( !sat ) {
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*err = *attrs1;
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return SLAP_SCHERR_ATTR_NOT_FOUND;
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}
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if ( at_find_in_list(sat, soc->soc_required) < 0 &&
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at_find_in_list(sat, soc->soc_allowed) < 0 ) {
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if ( at_append_to_list(sat, &soc->soc_allowed) ) {
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*err = *attrs1;
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return SLAP_SCHERR_OUTOFMEM;
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}
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}
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attrs1++;
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}
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}
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return 0;
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}
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static int
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oc_add_sups(
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ObjectClass *soc,
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char **sups,
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const char **err
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)
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{
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int code;
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ObjectClass *soc1;
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int nsups;
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char **sups1;
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int add_sups = 0;
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if ( sups ) {
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if ( !soc->soc_sups ) {
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/* We are at the first recursive level */
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add_sups = 1;
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nsups = 0;
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sups1 = sups;
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while ( *sups1 ) {
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nsups++;
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sups1++;
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}
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nsups++;
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soc->soc_sups = (ObjectClass **)ch_calloc(1,
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nsups*sizeof(ObjectClass *));
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}
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nsups = 0;
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sups1 = sups;
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while ( *sups1 ) {
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soc1 = oc_find(*sups1);
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if ( !soc1 ) {
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*err = *sups1;
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return SLAP_SCHERR_CLASS_NOT_FOUND;
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}
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if ( add_sups )
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soc->soc_sups[nsups] = soc1;
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code = oc_add_sups(soc,soc1->soc_sup_oids, err);
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if ( code )
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return code;
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code = oc_create_required(soc,soc1->soc_at_oids_must,err);
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if ( code )
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return code;
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code = oc_create_allowed(soc,soc1->soc_at_oids_may,err);
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if ( code )
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return code;
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nsups++;
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sups1++;
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}
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}
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return 0;
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}
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static int
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oc_insert(
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ObjectClass *soc,
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const char **err
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)
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{
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ObjectClass **ocp;
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struct oindexrec *oir;
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char **names;
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ocp = &oc_list;
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while ( *ocp != NULL ) {
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ocp = &(*ocp)->soc_next;
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}
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*ocp = soc;
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if ( soc->soc_oid ) {
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oir = (struct oindexrec *)
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ch_calloc( 1, sizeof(struct oindexrec) );
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oir->oir_name = soc->soc_oid;
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oir->oir_oc = soc;
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if ( avl_insert( &oc_index, (caddr_t) oir,
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(AVL_CMP) oc_index_cmp,
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(AVL_DUP) avl_dup_error ) ) {
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*err = soc->soc_oid;
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ldap_memfree(oir);
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return SLAP_SCHERR_DUP_CLASS;
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}
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/* FIX: temporal consistency check */
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oc_find(oir->oir_name);
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}
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if ( (names = soc->soc_names) ) {
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while ( *names ) {
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oir = (struct oindexrec *)
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ch_calloc( 1, sizeof(struct oindexrec) );
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oir->oir_name = ch_strdup(*names);
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oir->oir_oc = soc;
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if ( avl_insert( &oc_index, (caddr_t) oir,
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(AVL_CMP) oc_index_cmp,
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(AVL_DUP) avl_dup_error ) ) {
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*err = *names;
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ldap_memfree(oir);
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return SLAP_SCHERR_DUP_CLASS;
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}
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/* FIX: temporal consistency check */
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oc_find(oir->oir_name);
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names++;
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}
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}
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return 0;
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}
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int
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oc_add(
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LDAP_OBJECT_CLASS *oc,
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const char **err
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)
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{
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ObjectClass *soc;
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int code;
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soc = (ObjectClass *) ch_calloc( 1, sizeof(ObjectClass) );
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memcpy( &soc->soc_oclass, oc, sizeof(LDAP_OBJECT_CLASS));
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if ( (code = oc_add_sups(soc,soc->soc_sup_oids,err)) != 0 )
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return code;
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if ( (code = oc_create_required(soc,soc->soc_at_oids_must,err)) != 0 )
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return code;
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if ( (code = oc_create_allowed(soc,soc->soc_at_oids_may,err)) != 0 )
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return code;
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code = oc_insert(soc,err);
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return code;
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}
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#ifdef LDAP_DEBUG
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static void
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oc_print( ObjectClass *oc )
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{
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int i;
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const char *mid;
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printf( "objectclass %s\n", ldap_objectclass2name( &oc->soc_oclass ) );
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if ( oc->soc_required != NULL ) {
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mid = "\trequires ";
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for ( i = 0; oc->soc_required[i] != NULL; i++, mid = "," )
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printf( "%s%s", mid,
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ldap_attributetype2name( &oc->soc_required[i]->sat_atype ) );
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printf( "\n" );
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}
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if ( oc->soc_allowed != NULL ) {
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mid = "\tallows ";
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for ( i = 0; oc->soc_allowed[i] != NULL; i++, mid = "," )
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printf( "%s%s", mid,
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ldap_attributetype2name( &oc->soc_allowed[i]->sat_atype ) );
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printf( "\n" );
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}
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}
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#endif
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#if defined( SLAPD_SCHEMA_DN )
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int
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oc_schema_info( Entry *e )
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{
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struct berval val;
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struct berval *vals[2];
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ObjectClass *oc;
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vals[0] = &val;
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vals[1] = NULL;
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for ( oc = oc_list; oc; oc = oc->soc_next ) {
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val.bv_val = ldap_objectclass2str( &oc->soc_oclass );
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if ( val.bv_val ) {
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val.bv_len = strlen( val.bv_val );
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Debug( LDAP_DEBUG_TRACE, "Merging oc [%ld] %s\n",
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(long) val.bv_len, val.bv_val, 0 );
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attr_merge( e, "objectClasses", vals );
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ldap_memfree( val.bv_val );
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} else {
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return -1;
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}
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}
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return 0;
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}
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#endif
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