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schema_prep.c

/* schema_prep.c - load builtin schema */
/* $OpenLDAP: pkg/ldap/servers/slapd/schema_prep.c,v 1.169.2.6 2008/02/11 23:26:44 kurt Exp $ */
/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
 *
 * Copyright 1998-2008 The OpenLDAP Foundation.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted only as authorized by the OpenLDAP
 * Public License.
 *
 * A copy of this license is available in the file LICENSE in the
 * top-level directory of the distribution or, alternatively, at
 * <http://www.OpenLDAP.org/license.html>.
 */

#include "portable.h"

#include <stdio.h>

#include <ac/ctype.h>
#include <ac/string.h>
#include <ac/socket.h>

#include "slap.h"

#define OCDEBUG 0

int schema_init_done = 0;

struct slap_internal_schema slap_schema;

static int
oidValidate(
      Syntax *syntax,
      struct berval *in )
{
      struct berval val = *in;

      if( val.bv_len == 0 ) {
            /* disallow empty strings */
            return LDAP_INVALID_SYNTAX;
      }

      if( DESC_LEADCHAR( val.bv_val[0] ) ) {
            val.bv_val++;
            val.bv_len--;
            if ( val.bv_len == 0 ) return LDAP_SUCCESS;

            while( DESC_CHAR( val.bv_val[0] ) ) {
                  val.bv_val++;
                  val.bv_len--;

                  if ( val.bv_len == 0 ) return LDAP_SUCCESS;
            }

      } else {
            int sep = 0;
            while( OID_LEADCHAR( val.bv_val[0] ) ) {
                  val.bv_val++;
                  val.bv_len--;

                  if ( val.bv_val[-1] != '0' ) {
                        while ( OID_LEADCHAR( val.bv_val[0] )) {
                              val.bv_val++;
                              val.bv_len--;
                        }
                  }

                  if( val.bv_len == 0 ) {
                        if( sep == 0 ) break;
                        return LDAP_SUCCESS;
                  }

                  if( !OID_SEPARATOR( val.bv_val[0] )) break;

                  sep++;
                  val.bv_val++;
                  val.bv_len--;
            }
      }

      return LDAP_INVALID_SYNTAX;
}


static int objectClassPretty(
      Syntax *syntax,
      struct berval *in,
      struct berval *out,
      void *ctx )
{
      ObjectClass *oc;

      if( oidValidate( NULL, in )) return LDAP_INVALID_SYNTAX;

      oc = oc_bvfind( in );
      if( oc == NULL ) return LDAP_INVALID_SYNTAX;

      ber_dupbv_x( out, &oc->soc_cname, ctx );
      return LDAP_SUCCESS;
}

static int
attributeTypeMatch(
      int *matchp,
      slap_mask_t flags,
      Syntax *syntax,
      MatchingRule *mr,
      struct berval *value,
      void *assertedValue )
{
      struct berval *a = (struct berval *) assertedValue;
      AttributeType *at = at_bvfind( value );
      AttributeType *asserted = at_bvfind( a );

      if( asserted == NULL ) {
            if( OID_LEADCHAR( *a->bv_val ) ) {
                  /* OID form, return FALSE */
                  *matchp = 1;
                  return LDAP_SUCCESS;
            }

            /* desc form, return undefined */
            return LDAP_INVALID_SYNTAX;
      }

      if ( at == NULL ) {
            /* unrecognized stored value */
            return LDAP_INVALID_SYNTAX;
      }

      *matchp = ( asserted != at );
      return LDAP_SUCCESS;
}

static int
matchingRuleMatch(
      int *matchp,
      slap_mask_t flags,
      Syntax *syntax,
      MatchingRule *mr,
      struct berval *value,
      void *assertedValue )
{
      struct berval *a = (struct berval *) assertedValue;
      MatchingRule *mrv = mr_bvfind( value );
      MatchingRule *asserted = mr_bvfind( a );

      if( asserted == NULL ) {
            if( OID_LEADCHAR( *a->bv_val ) ) {
                  /* OID form, return FALSE */
                  *matchp = 1;
                  return LDAP_SUCCESS;
            }

            /* desc form, return undefined */
            return LDAP_INVALID_SYNTAX;
      }

      if ( mrv == NULL ) {
            /* unrecognized stored value */
            return LDAP_INVALID_SYNTAX;
      }

      *matchp = ( asserted != mrv );
      return LDAP_SUCCESS;
}

static int
objectClassMatch(
      int *matchp,
      slap_mask_t flags,
      Syntax *syntax,
      MatchingRule *mr,
      struct berval *value,
      void *assertedValue )
{
      struct berval *a = (struct berval *) assertedValue;
      ObjectClass *oc = oc_bvfind( value );
      ObjectClass *asserted = oc_bvfind( a );

      if( asserted == NULL ) {
            if( OID_LEADCHAR( *a->bv_val ) ) {
                  /* OID form, return FALSE */
                  *matchp = 1;
                  return LDAP_SUCCESS;
            }

            /* desc form, return undefined */
            return LDAP_INVALID_SYNTAX;
      }

      if ( oc == NULL ) {
            /* unrecognized stored value */
            return LDAP_INVALID_SYNTAX;
      }

      *matchp = ( asserted != oc );
      return LDAP_SUCCESS;
}

static int
objectSubClassMatch(
      int *matchp,
      slap_mask_t flags,
      Syntax *syntax,
      MatchingRule *mr,
      struct berval *value,
      void *assertedValue )
{
      struct berval *a = (struct berval *) assertedValue;
      ObjectClass *oc = oc_bvfind( value );
      ObjectClass *asserted = oc_bvfind( a );

      if( asserted == NULL ) {
            if( OID_LEADCHAR( *a->bv_val ) ) {
                  /* OID form, return FALSE */
                  *matchp = 1;
                  return LDAP_SUCCESS;
            }

            /* desc form, return undefined */
            return LDAP_INVALID_SYNTAX;
      }

      if ( oc == NULL ) {
            /* unrecognized stored value */
            return LDAP_INVALID_SYNTAX;
      }

      if( SLAP_MR_IS_VALUE_OF_ATTRIBUTE_SYNTAX( flags ) ) {
            *matchp = ( asserted != oc );
      } else {
            *matchp = !is_object_subclass( asserted, oc );
      }

      return LDAP_SUCCESS;
}

static int objectSubClassIndexer( 
      slap_mask_t use,
      slap_mask_t mask,
      Syntax *syntax,
      MatchingRule *mr,
      struct berval *prefix,
      BerVarray values,
      BerVarray *keysp,
      void *ctx )
{
      int rc, noc, i;
      BerVarray ocvalues;
      ObjectClass **socs;
      
      for( noc=0; values[noc].bv_val != NULL; noc++ ) {
            /* just count em */;
      }

      /* over allocate */
      socs = slap_sl_malloc( (noc+16) * sizeof( ObjectClass * ), ctx );

      /* initialize */
      for( i=0; i<noc; i++ ) {
            socs[i] = oc_bvfind( &values[i] );
      }

      /* expand values */
      for( i=0; i<noc; i++ ) {
            int j;
            ObjectClass *oc = socs[i];
            if( oc == NULL || oc->soc_sups == NULL ) continue;
            
            for( j=0; oc->soc_sups[j] != NULL; j++ ) {
                  int found = 0;
                  ObjectClass *sup = oc->soc_sups[j];
                  int k;

                  for( k=0; k<noc; k++ ) {
                        if( sup == socs[k] ) {
                              found++;
                              break;
                        }
                  }

                  if( !found ) {
                        socs = slap_sl_realloc( socs,
                              sizeof( ObjectClass * ) * (noc+2), ctx );

                        assert( k == noc );
                        socs[noc++] = sup;
                  }
            }
      }

      ocvalues = slap_sl_malloc( sizeof( struct berval ) * (noc+1), ctx );
      /* copy values */
      for( i=0; i<noc; i++ ) {
            if ( socs[i] )
                  ocvalues[i] = socs[i]->soc_cname;
            else
                  ocvalues[i] = values[i];
      }
      BER_BVZERO( &ocvalues[i] );

      rc = octetStringIndexer( use, mask, syntax, mr,
            prefix, ocvalues, keysp, ctx );

      slap_sl_free( ocvalues, ctx );
      slap_sl_free( socs, ctx );
      return rc;
}

#define objectSubClassFilter octetStringFilter

static ObjectClassSchemaCheckFN rootDseObjectClass;
static ObjectClassSchemaCheckFN aliasObjectClass;
static ObjectClassSchemaCheckFN referralObjectClass;
static ObjectClassSchemaCheckFN subentryObjectClass;
#ifdef LDAP_DYNAMIC_OBJECTS
static ObjectClassSchemaCheckFN dynamicObjectClass;
#endif

static struct slap_schema_oc_map {
      char *ssom_name;
      char *ssom_defn;
      ObjectClassSchemaCheckFN *ssom_check;
      slap_mask_t ssom_flags;
      size_t ssom_offset;
} oc_map[] = {
      { "top", "( 2.5.6.0 NAME 'top' "
                  "DESC 'top of the superclass chain' "
                  "ABSTRACT MUST objectClass )",
            0, 0, offsetof(struct slap_internal_schema, si_oc_top) },
      { "extensibleObject", "( 1.3.6.1.4.1.1466.101.120.111 "
                  "NAME 'extensibleObject' "
                  "DESC 'RFC4512: extensible object' "
                  "SUP top AUXILIARY )",
            0, SLAP_OC_OPERATIONAL,
            offsetof(struct slap_internal_schema, si_oc_extensibleObject) },
      { "alias", "( 2.5.6.1 NAME 'alias' "
                  "DESC 'RFC4512: an alias' "
                  "SUP top STRUCTURAL "
                  "MUST aliasedObjectName )",
            aliasObjectClass, SLAP_OC_ALIAS|SLAP_OC_OPERATIONAL,
            offsetof(struct slap_internal_schema, si_oc_alias) },
      { "referral", "( 2.16.840.1.113730.3.2.6 NAME 'referral' "
                  "DESC 'namedref: named subordinate referral' "
                  "SUP top STRUCTURAL MUST ref )",
            referralObjectClass, SLAP_OC_REFERRAL|SLAP_OC_OPERATIONAL,
            offsetof(struct slap_internal_schema, si_oc_referral) },
      { "LDAProotDSE", "( 1.3.6.1.4.1.4203.1.4.1 "
                  "NAME ( 'OpenLDAProotDSE' 'LDAProotDSE' ) "
                  "DESC 'OpenLDAP Root DSE object' "
                  "SUP top STRUCTURAL MAY cn )",
            rootDseObjectClass, SLAP_OC_OPERATIONAL,
            offsetof(struct slap_internal_schema, si_oc_rootdse) },
      { "subentry", "( 2.5.17.0 NAME 'subentry' "
                  "DESC 'RFC3672: subentry' "
                  "SUP top STRUCTURAL "
                  "MUST ( cn $ subtreeSpecification ) )",
            subentryObjectClass, SLAP_OC_SUBENTRY|SLAP_OC_OPERATIONAL,
            offsetof(struct slap_internal_schema, si_oc_subentry) },
      { "subschema", "( 2.5.20.1 NAME 'subschema' "
            "DESC 'RFC4512: controlling subschema (sub)entry' "
            "AUXILIARY "
            "MAY ( dITStructureRules $ nameForms $ dITContentRules $ "
                  "objectClasses $ attributeTypes $ matchingRules $ "
                  "matchingRuleUse ) )",
            subentryObjectClass, SLAP_OC_OPERATIONAL,
            offsetof(struct slap_internal_schema, si_oc_subschema) },
#ifdef LDAP_COLLECTIVE_ATTRIBUTES
      { "collectiveAttributeSubentry", "( 2.5.17.2 "
                  "NAME 'collectiveAttributeSubentry' "
                  "DESC 'RFC3671: collective attribute subentry' "
                  "AUXILIARY )",
            subentryObjectClass,
            SLAP_OC_COLLECTIVEATTRIBUTESUBENTRY|SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
            offsetof( struct slap_internal_schema,
                  si_oc_collectiveAttributeSubentry) },
#endif
#ifdef LDAP_DYNAMIC_OBJECTS
      { "dynamicObject", "( 1.3.6.1.4.1.1466.101.119.2 "
                  "NAME 'dynamicObject' "
                  "DESC 'RFC2589: Dynamic Object' "
                  "SUP top AUXILIARY )",
            dynamicObjectClass, SLAP_OC_DYNAMICOBJECT,
            offsetof(struct slap_internal_schema, si_oc_dynamicObject) },
#endif
      { "glue", "( 1.3.6.1.4.1.4203.666.3.4 "
                  "NAME 'glue' "
                  "DESC 'Glue Entry' "
                  "SUP top STRUCTURAL )",
            0, SLAP_OC_GLUE|SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
            offsetof(struct slap_internal_schema, si_oc_glue) },
      { "syncConsumerSubentry", "( 1.3.6.1.4.1.4203.666.3.5 "
                  "NAME 'syncConsumerSubentry' "
                  "DESC 'Persistent Info for SyncRepl Consumer' "
                  "AUXILIARY "
                  "MAY syncreplCookie )",
            0, SLAP_OC_SYNCCONSUMERSUBENTRY|SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
            offsetof(struct slap_internal_schema, si_oc_syncConsumerSubentry) },
      { "syncProviderSubentry", "( 1.3.6.1.4.1.4203.666.3.6 "
                  "NAME 'syncProviderSubentry' "
                  "DESC 'Persistent Info for SyncRepl Producer' "
                  "AUXILIARY "
                  "MAY contextCSN )",
            0, SLAP_OC_SYNCPROVIDERSUBENTRY|SLAP_OC_OPERATIONAL|SLAP_OC_HIDE,
            offsetof(struct slap_internal_schema, si_oc_syncProviderSubentry) },

      { NULL, NULL, NULL, 0, 0 }
};

static AttributeTypeSchemaCheckFN rootDseAttribute;
static AttributeTypeSchemaCheckFN aliasAttribute;
static AttributeTypeSchemaCheckFN referralAttribute;
static AttributeTypeSchemaCheckFN subentryAttribute;
static AttributeTypeSchemaCheckFN administrativeRoleAttribute;
#ifdef LDAP_DYNAMIC_OBJECTS
static AttributeTypeSchemaCheckFN dynamicAttribute;
#endif

static struct slap_schema_ad_map {
      char *ssam_name;
      char *ssam_defn;
      AttributeTypeSchemaCheckFN *ssam_check;
      slap_mask_t ssam_flags;
      slap_syntax_validate_func *ssam_syn_validate;
      slap_syntax_transform_func *ssam_syn_pretty;
      slap_mr_convert_func *ssam_mr_convert;
      slap_mr_normalize_func *ssam_mr_normalize;
      slap_mr_match_func *ssam_mr_match;
      slap_mr_indexer_func *ssam_mr_indexer;
      slap_mr_filter_func *ssam_mr_filter;
      size_t ssam_offset;
} ad_map[] = {
      { "objectClass", "( 2.5.4.0 NAME 'objectClass' "
                  "DESC 'RFC4512: object classes of the entity' "
                  "EQUALITY objectIdentifierMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 )",
            NULL, SLAP_AT_FINAL,
            oidValidate, objectClassPretty,
            NULL, NULL, objectSubClassMatch,
                  objectSubClassIndexer, objectSubClassFilter,
            offsetof(struct slap_internal_schema, si_ad_objectClass) },

      /* user entry operational attributes */
      { "structuralObjectClass", "( 2.5.21.9 NAME 'structuralObjectClass' "
                  "DESC 'RFC4512: structural object class of entry' "
                  "EQUALITY objectIdentifierMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_MANAGEABLE,
            oidValidate, objectClassPretty,
            NULL, NULL, objectSubClassMatch,
                  objectSubClassIndexer, objectSubClassFilter,
            offsetof(struct slap_internal_schema, si_ad_structuralObjectClass) },
      { "createTimestamp", "( 2.5.18.1 NAME 'createTimestamp' "
                  "DESC 'RFC4512: time which object was created' "
                  "EQUALITY generalizedTimeMatch "
                  "ORDERING generalizedTimeOrderingMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_MANAGEABLE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_createTimestamp) },
      { "modifyTimestamp", "( 2.5.18.2 NAME 'modifyTimestamp' "
                  "DESC 'RFC4512: time which object was last modified' "
                  "EQUALITY generalizedTimeMatch "
                  "ORDERING generalizedTimeOrderingMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_MANAGEABLE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_modifyTimestamp) },
      { "creatorsName", "( 2.5.18.3 NAME 'creatorsName' "
                  "DESC 'RFC4512: name of creator' "
                  "EQUALITY distinguishedNameMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_MANAGEABLE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_creatorsName) },
      { "modifiersName", "( 2.5.18.4 NAME 'modifiersName' "
                  "DESC 'RFC4512: name of last modifier' "
                  "EQUALITY distinguishedNameMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_MANAGEABLE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_modifiersName) },
      { "hasSubordinates", "( 2.5.18.9 NAME 'hasSubordinates' "
                  "DESC 'X.501: entry has children' "
                  "EQUALITY booleanMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.7 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_DYNAMIC,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_hasSubordinates) },
      { "subschemaSubentry", "( 2.5.18.10 NAME 'subschemaSubentry' "
                  "DESC 'RFC4512: name of controlling subschema entry' "
                  "EQUALITY distinguishedNameMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 SINGLE-VALUE "
                  "NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_DYNAMIC,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_subschemaSubentry) },
#ifdef LDAP_COLLECTIVE_ATTRIBUTES
      { "collectiveAttributeSubentries", "( 2.5.18.12 "
                  "NAME 'collectiveAttributeSubentries' "
                  "DESC 'RFC3671: collective attribute subentries' "
                  "EQUALITY distinguishedNameMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
                  "NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_collectiveSubentries) },
      { "collectiveExclusions", "( 2.5.18.7 NAME 'collectiveExclusions' "
                  "DESC 'RFC3671: collective attribute exclusions' "
                  "EQUALITY objectIdentifierMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 "
                  "USAGE directoryOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_collectiveExclusions) },
#endif

      { "entryDN", "( 1.3.6.1.1.20 NAME 'entryDN' "   
                  "DESC 'DN of the entry' "
                  "EQUALITY distinguishedNameMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_DYNAMIC,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_entryDN) },
      { "entryUUID", "( 1.3.6.1.1.16.4 NAME 'entryUUID' "   
                  "DESC 'UUID of the entry' "
                  "EQUALITY UUIDMatch "
                  "ORDERING UUIDOrderingMatch "
                  "SYNTAX 1.3.6.1.1.16.1 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_MANAGEABLE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_entryUUID) },
      { "entryCSN", "( 1.3.6.1.4.1.4203.666.1.7 NAME 'entryCSN' "
                  "DESC 'change sequence number of the entry content' "
                  "EQUALITY CSNMatch "
                  "ORDERING CSNOrderingMatch "
                  "SYNTAX 1.3.6.1.4.1.4203.666.11.2.1{64} "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_entryCSN) },
      { "namingCSN", "( 1.3.6.1.4.1.4203.666.1.13 NAME 'namingCSN' "
                  "DESC 'change sequence number of the entry naming (RDN)' "
                  "EQUALITY CSNMatch "
                  "ORDERING CSNOrderingMatch "
                  "SYNTAX 1.3.6.1.4.1.4203.666.11.2.1{64} "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_namingCSN) },

#ifdef LDAP_SUPERIOR_UUID
      { "superiorUUID", "( 1.3.6.1.4.1.4203.666.1.11 NAME 'superiorUUID' "   
                  "DESC 'UUID of the superior entry' "
                  "EQUALITY UUIDMatch "
                  "ORDERING UUIDOrderingMatch "
                  "SYNTAX 1.3.6.1.1.16.1 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE directoryOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_superiorUUID) },
#endif

      { "syncreplCookie", "( 1.3.6.1.4.1.4203.666.1.23 "
                  "NAME 'syncreplCookie' "
                  "DESC 'syncrepl Cookie for shadow copy' "
                  "EQUALITY octetStringMatch "
                  "ORDERING octetStringOrderingMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.40 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE dSAOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_syncreplCookie) },

      { "contextCSN", "( 1.3.6.1.4.1.4203.666.1.25 "
                  "NAME 'contextCSN' "
                  "DESC 'the largest committed CSN of a context' "
                  "EQUALITY CSNMatch "
                  "ORDERING CSNOrderingMatch "
                  "SYNTAX 1.3.6.1.4.1.4203.666.11.2.1{64} "
                  "NO-USER-MODIFICATION USAGE dSAOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_contextCSN) },

#ifdef LDAP_SYNC_TIMESTAMP
      { "syncTimestamp", "( 1.3.6.1.4.1.4203.666.1.26 NAME 'syncTimestamp' "
                  "DESC 'Time which object was replicated' "
                  "EQUALITY generalizedTimeMatch "
                  "ORDERING generalizedTimeOrderingMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.24 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE dSAOperation )",
            NULL, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_syncTimestamp) },
#endif

      /* root DSE attributes */
      { "altServer", "( 1.3.6.1.4.1.1466.101.120.6 NAME 'altServer' "
                  "DESC 'RFC4512: alternative servers' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.26 USAGE dSAOperation )",
            rootDseAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_altServer) },
      { "namingContexts", "( 1.3.6.1.4.1.1466.101.120.5 "
                  "NAME 'namingContexts' "
                  "DESC 'RFC4512: naming contexts' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 USAGE dSAOperation )",
            rootDseAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_namingContexts) },
      { "supportedControl", "( 1.3.6.1.4.1.1466.101.120.13 "
                  "NAME 'supportedControl' "
                  "DESC 'RFC4512: supported controls' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 USAGE dSAOperation )",
            rootDseAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_supportedControl) },
      { "supportedExtension", "( 1.3.6.1.4.1.1466.101.120.7 "
                  "NAME 'supportedExtension' "
                  "DESC 'RFC4512: supported extended operations' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 USAGE dSAOperation )",
            rootDseAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_supportedExtension) },
      { "supportedLDAPVersion", "( 1.3.6.1.4.1.1466.101.120.15 "
                  "NAME 'supportedLDAPVersion' "
                  "DESC 'RFC4512: supported LDAP versions' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 USAGE dSAOperation )",
            rootDseAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_supportedLDAPVersion) },
      { "supportedSASLMechanisms", "( 1.3.6.1.4.1.1466.101.120.14 "
                  "NAME 'supportedSASLMechanisms' "
                  "DESC 'RFC4512: supported SASL mechanisms'"
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 USAGE dSAOperation )",
            rootDseAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_supportedSASLMechanisms) },
      { "supportedFeatures", "( 1.3.6.1.4.1.4203.1.3.5 "
                  "NAME 'supportedFeatures' "
                  "DESC 'RFC4512: features supported by the server' "
                  "EQUALITY objectIdentifierMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 "
                  "USAGE dSAOperation )",
            rootDseAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_supportedFeatures) },
      { "monitorContext", "( 1.3.6.1.4.1.4203.666.1.10 "
                  "NAME 'monitorContext' "
                  "DESC 'monitor context' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
                  "SINGLE-VALUE NO-USER-MODIFICATION "
                  "USAGE dSAOperation )",
            rootDseAttribute, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_monitorContext) },
      { "configContext", "( 1.3.6.1.4.1.4203.666.11.1.1 "
                  "NAME 'configContext' "
                  "DESC 'config context' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 "
                  "SINGLE-VALUE NO-USER-MODIFICATION "
                  "USAGE dSAOperation )",
            rootDseAttribute, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_configContext) },
      { "vendorName", "( 1.3.6.1.1.4 NAME 'vendorName' "
                  "DESC 'RFC3045: name of implementation vendor' "
                  "EQUALITY caseExactMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 "
                  "SINGLE-VALUE NO-USER-MODIFICATION "
                  "USAGE dSAOperation )",
            rootDseAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_vendorName) },
      { "vendorVersion", "( 1.3.6.1.1.5 NAME 'vendorVersion' "
                  "DESC 'RFC3045: version of implementation' "
                  "EQUALITY caseExactMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 "
                  "SINGLE-VALUE NO-USER-MODIFICATION "
                  "USAGE dSAOperation )",
            rootDseAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_vendorVersion) },

      /* subentry attributes */
      { "administrativeRole", "( 2.5.18.5 NAME 'administrativeRole' "
                  "DESC 'RFC3672: administrative role' "
                  "EQUALITY objectIdentifierMatch "
                  "USAGE directoryOperation "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.38 )",
            administrativeRoleAttribute, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_administrativeRole) },
      { "subtreeSpecification", "( 2.5.18.6 NAME 'subtreeSpecification' "
                  "DESC 'RFC3672: subtree specification' "
                  "SINGLE-VALUE "
                  "USAGE directoryOperation "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.45 )",
            subentryAttribute, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_subtreeSpecification) },

      /* subschema subentry attributes */
      { "dITStructureRules", "( 2.5.21.1 NAME 'dITStructureRules' "
                  "DESC 'RFC4512: DIT structure rules' "
                  "EQUALITY integerFirstComponentMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.17 "
                  "USAGE directoryOperation ) ",
            subentryAttribute, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_ditStructureRules) },
      { "dITContentRules", "( 2.5.21.2 NAME 'dITContentRules' "
                  "DESC 'RFC4512: DIT content rules' "
                  "EQUALITY objectIdentifierFirstComponentMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.16 USAGE directoryOperation )",
            subentryAttribute, SLAP_AT_HIDE,
            oidValidate, NULL,
            NULL, NULL, objectClassMatch, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_ditContentRules) },
      { "matchingRules", "( 2.5.21.4 NAME 'matchingRules' "
                  "DESC 'RFC4512: matching rules' "
                  "EQUALITY objectIdentifierFirstComponentMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.30 USAGE directoryOperation )",
            subentryAttribute, 0,
            oidValidate, NULL,
            NULL, NULL, matchingRuleMatch, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_matchingRules) },
      { "attributeTypes", "( 2.5.21.5 NAME 'attributeTypes' "
                  "DESC 'RFC4512: attribute types' "
                  "EQUALITY objectIdentifierFirstComponentMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.3 USAGE directoryOperation )",
            subentryAttribute, 0,
            oidValidate, NULL,
            NULL, NULL, attributeTypeMatch, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_attributeTypes) },
      { "objectClasses", "( 2.5.21.6 NAME 'objectClasses' "
                  "DESC 'RFC4512: object classes' "
                  "EQUALITY objectIdentifierFirstComponentMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.37 USAGE directoryOperation )",
            subentryAttribute, 0,
            oidValidate, NULL,
            NULL, NULL, objectClassMatch, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_objectClasses) },
      { "nameForms", "( 2.5.21.7 NAME 'nameForms' "
                  "DESC 'RFC4512: name forms ' "
                  "EQUALITY objectIdentifierFirstComponentMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.35 USAGE directoryOperation )",
            subentryAttribute, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_nameForms) },
      { "matchingRuleUse", "( 2.5.21.8 NAME 'matchingRuleUse' "
                  "DESC 'RFC4512: matching rule uses' "
                  "EQUALITY objectIdentifierFirstComponentMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.31 USAGE directoryOperation )",
            subentryAttribute, 0,
            oidValidate, NULL,
            NULL, NULL, matchingRuleMatch, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_matchingRuleUse) },

      { "ldapSyntaxes", "( 1.3.6.1.4.1.1466.101.120.16 NAME 'ldapSyntaxes' "
                  "DESC 'RFC4512: LDAP syntaxes' "
                  "EQUALITY objectIdentifierFirstComponentMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.54 USAGE directoryOperation )",
            subentryAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_ldapSyntaxes) },

      /* knowledge information */
      { "aliasedObjectName", "( 2.5.4.1 "
                  "NAME ( 'aliasedObjectName' 'aliasedEntryName' ) "
                  "DESC 'RFC4512: name of aliased object' "
                  "EQUALITY distinguishedNameMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 SINGLE-VALUE )",
            aliasAttribute, SLAP_AT_FINAL,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_aliasedObjectName) },
      { "ref", "( 2.16.840.1.113730.3.1.34 NAME 'ref' "
                  "DESC 'RFC3296: subordinate referral URL' "
                  "EQUALITY caseExactMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 "
                  "USAGE distributedOperation )",
            referralAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_ref) },

      /* access control internals */
      { "entry", "( 1.3.6.1.4.1.4203.1.3.1 "
                  "NAME 'entry' "
                  "DESC 'OpenLDAP ACL entry pseudo-attribute' "
                  "SYNTAX 1.3.6.1.4.1.4203.1.1.1 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE dSAOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_entry) },
      { "children", "( 1.3.6.1.4.1.4203.1.3.2 "
                  "NAME 'children' "
                  "DESC 'OpenLDAP ACL children pseudo-attribute' "
                  "SYNTAX 1.3.6.1.4.1.4203.1.1.1 "
                  "SINGLE-VALUE NO-USER-MODIFICATION USAGE dSAOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_children) },

      /* access control externals */
      { "authzTo", "( 1.3.6.1.4.1.4203.666.1.8 "
                  "NAME ( 'authzTo' 'saslAuthzTo' ) "
                  "DESC 'proxy authorization targets' "
                  "EQUALITY authzMatch "
                  "SYNTAX 1.3.6.1.4.1.4203.666.2.7 "
                  "X-ORDERED 'VALUES' "
                  "USAGE distributedOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_saslAuthzTo) },
      { "authzFrom", "( 1.3.6.1.4.1.4203.666.1.9 "
                  "NAME ( 'authzFrom' 'saslAuthzFrom' ) "
                  "DESC 'proxy authorization sources' "
                  "EQUALITY authzMatch "
                  "SYNTAX 1.3.6.1.4.1.4203.666.2.7 "
                  "X-ORDERED 'VALUES' "
                  "USAGE distributedOperation )",
            NULL, SLAP_AT_HIDE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_saslAuthzFrom) },

#ifdef LDAP_DYNAMIC_OBJECTS
      { "entryTtl", "( 1.3.6.1.4.1.1466.101.119.3 NAME 'entryTtl' "
                  "DESC 'RFC2589: entry time-to-live' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 SINGLE-VALUE "
                  "NO-USER-MODIFICATION USAGE dSAOperation )",
            dynamicAttribute, SLAP_AT_MANAGEABLE,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_entryTtl) },
      { "dynamicSubtrees", "( 1.3.6.1.4.1.1466.101.119.4 "
                  "NAME 'dynamicSubtrees' "
                  "DESC 'RFC2589: dynamic subtrees' "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 NO-USER-MODIFICATION "
                  "USAGE dSAOperation )",
            rootDseAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_dynamicSubtrees) },
#endif

      /* userApplication attributes (which system schema depends upon) */
      { "distinguishedName", "( 2.5.4.49 NAME 'distinguishedName' "
                  "DESC 'RFC4519: common supertype of DN attributes' "
                  "EQUALITY distinguishedNameMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.12 )",
            NULL, SLAP_AT_ABSTRACT,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_distinguishedName) },
      { "name", "( 2.5.4.41 NAME 'name' "
                  "DESC 'RFC4519: common supertype of name attributes' "
                  "EQUALITY caseIgnoreMatch "
                  "SUBSTR caseIgnoreSubstringsMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{32768} )",
            NULL, SLAP_AT_ABSTRACT,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_name) },
      { "cn", "( 2.5.4.3 NAME ( 'cn' 'commonName' ) "
                  "DESC 'RFC4519: common name(s) for which the entity is known by' "
                  "SUP name )",
            NULL, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_cn) },
      { "uid", "( 0.9.2342.19200300.100.1.1 NAME ( 'uid' 'userid' ) "
                  "DESC 'RFC4519: user identifier' "
                  "EQUALITY caseIgnoreMatch "
                  "SUBSTR caseIgnoreSubstringsMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{256} )",
            NULL, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_uid) },
      { "uidNumber", /* for ldapi:// */
            "( 1.3.6.1.1.1.1.0 NAME 'uidNumber' "
            "DESC 'RFC2307: An integer uniquely identifying a user "
                        "in an administrative domain' "
            "EQUALITY integerMatch "
            "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 SINGLE-VALUE )",
            NULL, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_uidNumber) },
      { "gidNumber", /* for ldapi:// */
            "( 1.3.6.1.1.1.1.1 NAME 'gidNumber' "
            "DESC 'RFC2307: An integer uniquely identifying a group "
                        "in an administrative domain' "
            "EQUALITY integerMatch "
            "SYNTAX 1.3.6.1.4.1.1466.115.121.1.27 SINGLE-VALUE )",
            NULL, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_gidNumber) },
      { "userPassword", "( 2.5.4.35 NAME 'userPassword' "
                  "DESC 'RFC4519/2307: password of user' "
                  "EQUALITY octetStringMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.40{128} )",
            NULL, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_userPassword) },

      { "labeledURI", "( 1.3.6.1.4.1.250.1.57 NAME 'labeledURI' "
                  "DESC 'RFC2079: Uniform Resource Identifier with optional label' "
                  "EQUALITY caseExactMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15 )",
            NULL, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_labeledURI) },

#ifdef SLAPD_AUTHPASSWD
      { "authPassword", "( 1.3.6.1.4.1.4203.1.3.4 "
                  "NAME 'authPassword' "
                  "DESC 'RFC3112: authentication password attribute' "
                  "EQUALITY 1.3.6.1.4.1.4203.1.2.2 "
                  "SYNTAX 1.3.6.1.4.1.4203.1.1.2 )",
            NULL, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_authPassword) },
      { "supportedAuthPasswordSchemes", "( 1.3.6.1.4.1.4203.1.3.3 "
                  "NAME 'supportedAuthPasswordSchemes' "
                  "DESC 'RFC3112: supported authPassword schemes' "
                  "EQUALITY caseExactIA5Match "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.26{32} "
                  "USAGE dSAOperation )",
            subschemaAttribute, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_authPasswordSchemes) },
#endif

      { "description", "( 2.5.4.13 NAME 'description' "
                  "DESC 'RFC4519: descriptive information' "
                  "EQUALITY caseIgnoreMatch "
                  "SUBSTR caseIgnoreSubstringsMatch "
                  "SYNTAX 1.3.6.1.4.1.1466.115.121.1.15{1024} )",
            NULL, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_description) },

      { "seeAlso", "( 2.5.4.34 NAME 'seeAlso' "
                  "DESC 'RFC4519: DN of related object' "
                  "SUP distinguishedName )",
            NULL, 0,
            NULL, NULL,
            NULL, NULL, NULL, NULL, NULL,
            offsetof(struct slap_internal_schema, si_ad_seeAlso) },

      { NULL, NULL, NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, 0 }
};

static AttributeType slap_at_undefined = {
      { "1.1.1", NULL, "Catchall for undefined attribute types", 1, NULL,
            NULL, NULL, NULL, NULL,
            0, 0, 0, 1, LDAP_SCHEMA_DSA_OPERATION, NULL }, /* LDAPAttributeType */
      BER_BVC("UNDEFINED"), /* cname */
      NULL, /* sup */
      NULL, /* subtypes */
      NULL, NULL, NULL, NULL, /* matching rules routines */
      NULL, /* syntax (will be set later to "octetString") */
      NULL, /* schema check function */
      NULL, /* oidmacro */
      SLAP_AT_ABSTRACT|SLAP_AT_FINAL,     /* mask */
      { NULL }, /* next */
      NULL /* attribute description */
      /* mutex (don't know how to initialize it :) */
};

static AttributeType slap_at_proxied = {
      { "1.1.1", NULL, "Catchall for undefined proxied attribute types", 1, NULL,
            NULL, NULL, NULL, NULL,
            0, 0, 0, 0, LDAP_SCHEMA_USER_APPLICATIONS, NULL }, /* LDAPAttributeType */
      BER_BVC("PROXIED"), /* cname */
      NULL, /* sup */
      NULL, /* subtypes */
      NULL, NULL, NULL, NULL, /* matching rules routines (will be set later) */
      NULL, /* syntax (will be set later to "octetString") */
      NULL, /* schema check function */
      NULL, /* oidmacro */
      SLAP_AT_ABSTRACT|SLAP_AT_FINAL,     /* mask */
      { NULL }, /* next */
      NULL /* attribute description */
      /* mutex (don't know how to initialize it :) */
};

static struct slap_schema_mr_map {
      char *ssmm_name;
      size_t ssmm_offset;
} mr_map[] = {
      { "caseExactIA5Match",
            offsetof(struct slap_internal_schema, si_mr_caseExactIA5Match) },
      { "caseExactMatch",
            offsetof(struct slap_internal_schema, si_mr_caseExactMatch) },
      { "caseExactSubstringsMatch",
            offsetof(struct slap_internal_schema, si_mr_caseExactSubstringsMatch) },
      { "distinguishedNameMatch",
            offsetof(struct slap_internal_schema, si_mr_distinguishedNameMatch) },
      { "dnSubtreeMatch",
            offsetof(struct slap_internal_schema, si_mr_dnSubtreeMatch) },
      { "dnOneLevelMatch",
            offsetof(struct slap_internal_schema, si_mr_dnOneLevelMatch) },
      { "dnSubordinateMatch",
            offsetof(struct slap_internal_schema, si_mr_dnSubordinateMatch) },
      { "dnSuperiorMatch",
            offsetof(struct slap_internal_schema, si_mr_dnSuperiorMatch) },
      { "integerMatch",
            offsetof(struct slap_internal_schema, si_mr_integerMatch) },
      { "integerFirstComponentMatch",
            offsetof(struct slap_internal_schema,
                  si_mr_integerFirstComponentMatch) },
      { "objectIdentifierFirstComponentMatch",
            offsetof(struct slap_internal_schema,
                  si_mr_objectIdentifierFirstComponentMatch) },
      { NULL, 0 }
};

static struct slap_schema_syn_map {
      char *sssm_name;
      size_t sssm_offset;
} syn_map[] = {
      { "1.3.6.1.4.1.1466.115.121.1.15",
            offsetof(struct slap_internal_schema, si_syn_directoryString) },
      { "1.3.6.1.4.1.1466.115.121.1.12",
            offsetof(struct slap_internal_schema, si_syn_distinguishedName) },
      { "1.3.6.1.4.1.1466.115.121.1.27",
            offsetof(struct slap_internal_schema, si_syn_integer) },
      { "1.3.6.1.4.1.1466.115.121.1.40",
            offsetof(struct slap_internal_schema, si_syn_octetString) },
      { "1.3.6.1.4.1.1466.115.121.1.3",
            offsetof(struct slap_internal_schema, si_syn_attributeTypeDesc) },
      { "1.3.6.1.4.1.1466.115.121.1.16",
            offsetof(struct slap_internal_schema, si_syn_ditContentRuleDesc) },
      { "1.3.6.1.4.1.1466.115.121.1.54",
            offsetof(struct slap_internal_schema, si_syn_ldapSyntaxDesc) },
      { "1.3.6.1.4.1.1466.115.121.1.30",
            offsetof(struct slap_internal_schema, si_syn_matchingRuleDesc) },
      { "1.3.6.1.4.1.1466.115.121.1.31",
            offsetof(struct slap_internal_schema, si_syn_matchingRuleUseDesc) },
      { "1.3.6.1.4.1.1466.115.121.1.35",
            offsetof(struct slap_internal_schema, si_syn_nameFormDesc) },
      { "1.3.6.1.4.1.1466.115.121.1.37",
            offsetof(struct slap_internal_schema, si_syn_objectClassDesc) },
      { "1.3.6.1.4.1.1466.115.121.1.17",
            offsetof(struct slap_internal_schema, si_syn_ditStructureRuleDesc) },
      { NULL, 0 }
};

int
slap_schema_load( void )
{
      int i;

      for( i=0; syn_map[i].sssm_name; i++ ) {
            Syntax ** synp = (Syntax **)
                  &(((char *) &slap_schema)[syn_map[i].sssm_offset]);

            assert( *synp == NULL );

            *synp = syn_find( syn_map[i].sssm_name );

            if( *synp == NULL ) {
                  fprintf( stderr, "slap_schema_load: Syntax: "
                        "No syntax \"%s\" defined in schema\n",
                        syn_map[i].sssm_name );
                  return LDAP_INVALID_SYNTAX;
            }
      }

      for( i=0; mr_map[i].ssmm_name; i++ ) {
            MatchingRule ** mrp = (MatchingRule **)
                  &(((char *) &slap_schema)[mr_map[i].ssmm_offset]);

            assert( *mrp == NULL );

            *mrp = mr_find( mr_map[i].ssmm_name );

            if( *mrp == NULL ) {
                  fprintf( stderr, "slap_schema_load: MatchingRule: "
                        "No matching rule \"%s\" defined in schema\n",
                        mr_map[i].ssmm_name );
                  return LDAP_INAPPROPRIATE_MATCHING;
            }
      }

      slap_at_undefined.sat_syntax = slap_schema.si_syn_octetString;
      slap_schema.si_at_undefined = &slap_at_undefined;

      slap_at_proxied.sat_equality = mr_find( "octetStringMatch" );
      slap_at_proxied.sat_approx = mr_find( "octetStringMatch" );
      slap_at_proxied.sat_ordering = mr_find( "octetStringOrderingMatch" );
      slap_at_proxied.sat_substr = mr_find( "octetStringSubstringsMatch" );
      slap_at_proxied.sat_syntax = slap_schema.si_syn_octetString;
      slap_schema.si_at_proxied = &slap_at_proxied;

      ldap_pvt_thread_mutex_init( &ad_undef_mutex );
      ldap_pvt_thread_mutex_init( &oc_undef_mutex );

      for( i=0; ad_map[i].ssam_name; i++ ) {
            assert( ad_map[i].ssam_defn != NULL );
            {
                  LDAPAttributeType *at;
                  int         code;
                  const char  *err;

                  at = ldap_str2attributetype( ad_map[i].ssam_defn,
                        &code, &err, LDAP_SCHEMA_ALLOW_ALL );
                  if ( !at ) {
                        fprintf( stderr,
                              "slap_schema_load: AttributeType \"%s\": %s before %s\n",
                               ad_map[i].ssam_name, ldap_scherr2str(code), err );
                        return code;
                  }

                  if ( at->at_oid == NULL ) {
                        fprintf( stderr, "slap_schema_load: "
                              "AttributeType \"%s\": no OID\n",
                              ad_map[i].ssam_name );
                        ldap_attributetype_free( at );
                        return LDAP_OTHER;
                  }

                  code = at_add( at, 0, NULL, NULL, &err );
                  if ( code ) {
                        ldap_attributetype_free( at );
                        fprintf( stderr, "slap_schema_load: AttributeType "
                              "\"%s\": %s: \"%s\"\n",
                               ad_map[i].ssam_name, scherr2str(code), err );
                        return code;
                  }
                  ldap_memfree( at );
            }
            {
                  int rc;
                  const char *text;
                  Syntax *syntax = NULL;

                  AttributeDescription ** adp = (AttributeDescription **)
                        &(((char *) &slap_schema)[ad_map[i].ssam_offset]);

                  assert( *adp == NULL );

                  rc = slap_str2ad( ad_map[i].ssam_name, adp, &text );
                  if( rc != LDAP_SUCCESS ) {
                        fprintf( stderr, "slap_schema_load: AttributeType \"%s\": "
                              "not defined in schema\n",
                              ad_map[i].ssam_name );
                        return rc;
                  }

                  if( ad_map[i].ssam_check ) {
                        /* install check routine */
                        (*adp)->ad_type->sat_check = ad_map[i].ssam_check;
                  }
                  /* install flags */
                  (*adp)->ad_type->sat_flags |= ad_map[i].ssam_flags;

                  /* install custom syntax routines */
                  if( ad_map[i].ssam_syn_validate ||
                        ad_map[i].ssam_syn_pretty )
                  {
                        Syntax *syn;

                        syntax = (*adp)->ad_type->sat_syntax;

                        syn = ch_malloc( sizeof( Syntax ) );
                        *syn = *syntax;

                        if( ad_map[i].ssam_syn_validate ) {
                              syn->ssyn_validate = ad_map[i].ssam_syn_validate;
                        }
                        if( ad_map[i].ssam_syn_pretty ) {
                              syn->ssyn_pretty = ad_map[i].ssam_syn_pretty;
                        }

                        (*adp)->ad_type->sat_syntax = syn;
                  }

                  /* install custom rule routines */
                  if( syntax != NULL ||
                        ad_map[i].ssam_mr_convert ||
                        ad_map[i].ssam_mr_normalize ||
                        ad_map[i].ssam_mr_match ||
                        ad_map[i].ssam_mr_indexer ||
                        ad_map[i].ssam_mr_filter )
                  {
                        MatchingRule *mr = ch_malloc( sizeof( MatchingRule ) );
                        *mr = *(*adp)->ad_type->sat_equality;

                        if ( syntax != NULL ) {
                              mr->smr_syntax = (*adp)->ad_type->sat_syntax;
                        }
                        if ( ad_map[i].ssam_mr_convert ) {
                              mr->smr_convert = ad_map[i].ssam_mr_convert;
                        }
                        if ( ad_map[i].ssam_mr_normalize ) {
                              mr->smr_normalize = ad_map[i].ssam_mr_normalize;
                        }
                        if ( ad_map[i].ssam_mr_match ) {
                              mr->smr_match = ad_map[i].ssam_mr_match;
                        }
                        if ( ad_map[i].ssam_mr_indexer ) {
                              mr->smr_indexer = ad_map[i].ssam_mr_indexer;
                        }
                        if ( ad_map[i].ssam_mr_filter ) {
                              mr->smr_filter = ad_map[i].ssam_mr_filter;
                        }

                        /* FIXME: no-one will free this at exit */
                        (*adp)->ad_type->sat_equality = mr;
                  }
            }
      }

      for( i=0; oc_map[i].ssom_name; i++ ) {
            assert( oc_map[i].ssom_defn != NULL );
            {
                  LDAPObjectClass *oc;
                  int         code;
                  const char  *err;

                  oc = ldap_str2objectclass( oc_map[i].ssom_defn, &code, &err,
                        LDAP_SCHEMA_ALLOW_ALL );
                  if ( !oc ) {
                        fprintf( stderr, "slap_schema_load: ObjectClass "
                              "\"%s\": %s before %s\n",
                              oc_map[i].ssom_name, ldap_scherr2str(code), err );
                        return code;
                  }

                  if ( oc->oc_oid == NULL ) {
                        fprintf( stderr, "slap_schema_load: ObjectClass "
                              "\"%s\": no OID\n",
                              oc_map[i].ssom_name );
                        ldap_objectclass_free( oc );
                        return LDAP_OTHER;
                  }

                  code = oc_add(oc,0,NULL,NULL,&err);
                  if ( code ) {
                        ldap_objectclass_free( oc );
                        fprintf( stderr, "slap_schema_load: ObjectClass "
                              "\"%s\": %s: \"%s\"\n",
                              oc_map[i].ssom_name, scherr2str(code), err);
                        return code;
                  }
                  ldap_memfree(oc);

            }
            {
                  ObjectClass ** ocp = (ObjectClass **)
                        &(((char *) &slap_schema)[oc_map[i].ssom_offset]);

                  assert( *ocp == NULL );

                  *ocp = oc_find( oc_map[i].ssom_name );
                  if( *ocp == NULL ) {
                        fprintf( stderr, "slap_schema_load: "
                              "ObjectClass \"%s\": not defined in schema\n",
                              oc_map[i].ssom_name );
                        return LDAP_OBJECT_CLASS_VIOLATION;
                  }

                  if( oc_map[i].ssom_check ) {
                        /* install check routine */
                        (*ocp)->soc_check = oc_map[i].ssom_check;
                  }
                  /* install flags */
                  (*ocp)->soc_flags |= oc_map[i].ssom_flags;
            }
      }

      return LDAP_SUCCESS;
}

int
slap_schema_check( void )
{
      /* we should only be called once after schema_init() was called */
      assert( schema_init_done == 1 );

      /*
       * cycle thru attributeTypes to build matchingRuleUse
       */
      if ( matching_rule_use_init() ) {
            return LDAP_OTHER;
      }

      ++schema_init_done;
      return LDAP_SUCCESS;
}

static int rootDseObjectClass (
      Backend *be,
      Entry *e,
      ObjectClass *oc,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( e->e_nname.bv_len ) {
            snprintf( textbuf, textlen,
                  "objectClass \"%s\" only allowed in the root DSE",
                  oc->soc_oid );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      /* we should not be called for the root DSE */
      assert( 0 );
      return LDAP_SUCCESS;
}

static int aliasObjectClass (
      Backend *be,
      Entry *e,
      ObjectClass *oc,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( !SLAP_ALIASES(be) ) {
            snprintf( textbuf, textlen,
                  "objectClass \"%s\" not supported in context",
                  oc->soc_oid );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      return LDAP_SUCCESS;
}

static int referralObjectClass (
      Backend *be,
      Entry *e,
      ObjectClass *oc,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( !SLAP_REFERRALS(be) ) {
            snprintf( textbuf, textlen,
                  "objectClass \"%s\" not supported in context",
                  oc->soc_oid );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      return LDAP_SUCCESS;
}

static int subentryObjectClass (
      Backend *be,
      Entry *e,
      ObjectClass *oc,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( !SLAP_SUBENTRIES(be) ) {
            snprintf( textbuf, textlen,
                  "objectClass \"%s\" not supported in context",
                  oc->soc_oid );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      if( oc != slap_schema.si_oc_subentry && !is_entry_subentry( e ) ) {
            snprintf( textbuf, textlen,
                  "objectClass \"%s\" only allowed in subentries",
                  oc->soc_oid );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      return LDAP_SUCCESS;
}

#ifdef LDAP_DYNAMIC_OBJECTS
static int dynamicObjectClass (
      Backend *be,
      Entry *e,
      ObjectClass *oc,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( !SLAP_DYNAMIC(be) ) {
            snprintf( textbuf, textlen,
                  "objectClass \"%s\" not supported in context",
                  oc->soc_oid );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      return LDAP_SUCCESS;
}
#endif /* LDAP_DYNAMIC_OBJECTS */

static int rootDseAttribute (
      Backend *be,
      Entry *e,
      Attribute *attr,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( e->e_nname.bv_len ) {
            snprintf( textbuf, textlen,
                  "attribute \"%s\" only allowed in the root DSE",
                  attr->a_desc->ad_cname.bv_val );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      /* we should not be called for the root DSE */
      assert( 0 );
      return LDAP_SUCCESS;
}

static int aliasAttribute (
      Backend *be,
      Entry *e,
      Attribute *attr,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( !SLAP_ALIASES(be) ) {
            snprintf( textbuf, textlen,
                  "attribute \"%s\" not supported in context",
                  attr->a_desc->ad_cname.bv_val );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      if( !is_entry_alias( e ) ) {
            snprintf( textbuf, textlen,
                  "attribute \"%s\" only allowed in the alias",
                  attr->a_desc->ad_cname.bv_val );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      return LDAP_SUCCESS;
}

static int referralAttribute (
      Backend *be,
      Entry *e,
      Attribute *attr,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( !SLAP_REFERRALS(be) ) {
            snprintf( textbuf, textlen,
                  "attribute \"%s\" not supported in context",
                  attr->a_desc->ad_cname.bv_val );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      if( !is_entry_referral( e ) ) {
            snprintf( textbuf, textlen,
                  "attribute \"%s\" only allowed in the referral",
                  attr->a_desc->ad_cname.bv_val );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      return LDAP_SUCCESS;
}

static int subentryAttribute (
      Backend *be,
      Entry *e,
      Attribute *attr,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( !SLAP_SUBENTRIES(be) ) {
            snprintf( textbuf, textlen,
                  "attribute \"%s\" not supported in context",
                  attr->a_desc->ad_cname.bv_val );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      if( !is_entry_subentry( e ) ) {
            snprintf( textbuf, textlen,
                  "attribute \"%s\" only allowed in the subentry",
                  attr->a_desc->ad_cname.bv_val );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      return LDAP_SUCCESS;
}

static int administrativeRoleAttribute (
      Backend *be,
      Entry *e,
      Attribute *attr,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( !SLAP_SUBENTRIES(be) ) {
            snprintf( textbuf, textlen,
                  "attribute \"%s\" not supported in context",
                  attr->a_desc->ad_cname.bv_val );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      snprintf( textbuf, textlen,
            "attribute \"%s\" not supported!",
            attr->a_desc->ad_cname.bv_val );
      return LDAP_OBJECT_CLASS_VIOLATION;
}

#ifdef LDAP_DYNAMIC_OBJECTS
static int dynamicAttribute (
      Backend *be,
      Entry *e,
      Attribute *attr,
      const char** text,
      char *textbuf, size_t textlen )
{
      *text = textbuf;

      if( !SLAP_DYNAMIC(be) ) {
            snprintf( textbuf, textlen,
                  "attribute \"%s\" not supported in context",
                  attr->a_desc->ad_cname.bv_val );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      if( !is_entry_dynamicObject( e ) ) {
            snprintf( textbuf, textlen,
                  "attribute \"%s\" only allowed in dynamic object",
                  attr->a_desc->ad_cname.bv_val );
            return LDAP_OBJECT_CLASS_VIOLATION;
      }

      return LDAP_SUCCESS;
}
#endif /* LDAP_DYNAMIC_OBJECTS */

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