예제 #1
0
파일: modify.c 프로젝트: fcelda/openldap
/*
 * Do basic attribute type checking and syntax validation.
 */
int slap_mods_check(
	Operation *op,
	Modifications *ml,
	const char **text,
	char *textbuf,
	size_t textlen,
	void *ctx )
{
	int rc;

	for( ; ml != NULL; ml = ml->sml_next ) {
		AttributeDescription *ad = NULL;

		/* convert to attribute description */
		if ( ml->sml_desc == NULL ) {
			rc = slap_bv2ad( &ml->sml_type, &ml->sml_desc, text );
			if( rc != LDAP_SUCCESS ) {
				if ( get_no_schema_check( op )) {
					rc = slap_bv2undef_ad( &ml->sml_type, &ml->sml_desc,
						text, 0 );
				}
			}
			if( rc != LDAP_SUCCESS ) {
				snprintf( textbuf, textlen, "%s: %s",
					ml->sml_type.bv_val, *text );
				*text = textbuf;
				return rc;
			}
		}

		ad = ml->sml_desc;

		if( slap_syntax_is_binary( ad->ad_type->sat_syntax )
			&& !slap_ad_is_binary( ad ))
		{
			/* attribute requires binary transfer */
			snprintf( textbuf, textlen,
				"%s: requires ;binary transfer",
				ml->sml_type.bv_val );
			*text = textbuf;
			return LDAP_UNDEFINED_TYPE;
		}

		if( !slap_syntax_is_binary( ad->ad_type->sat_syntax )
			&& slap_ad_is_binary( ad ))
		{
			/* attribute does not require binary transfer */
			snprintf( textbuf, textlen,
				"%s: disallows ;binary transfer",
				ml->sml_type.bv_val );
			*text = textbuf;
			return LDAP_UNDEFINED_TYPE;
		}

		if( slap_ad_is_tag_range( ad )) {
			/* attribute requires binary transfer */
			snprintf( textbuf, textlen,
				"%s: inappropriate use of tag range option",
				ml->sml_type.bv_val );
			*text = textbuf;
			return LDAP_UNDEFINED_TYPE;
		}

#if 0
		if ( is_at_obsolete( ad->ad_type ) &&
			(( ml->sml_op != LDAP_MOD_REPLACE &&
				ml->sml_op != LDAP_MOD_DELETE ) ||
					ml->sml_values != NULL ))
		{
			/*
			 * attribute is obsolete,
			 * only allow replace/delete with no values
			 */
			snprintf( textbuf, textlen,
				"%s: attribute is obsolete",
				ml->sml_type.bv_val );
			*text = textbuf;
			return LDAP_CONSTRAINT_VIOLATION;
		}
#endif

		if ( ml->sml_op == LDAP_MOD_INCREMENT &&
#ifdef SLAPD_REAL_SYNTAX
			!is_at_syntax( ad->ad_type, SLAPD_REAL_SYNTAX ) &&
#endif
			!is_at_syntax( ad->ad_type, SLAPD_INTEGER_SYNTAX ) )
		{
			/*
			 * attribute values must be INTEGER or REAL
			 */
			snprintf( textbuf, textlen,
				"%s: attribute syntax inappropriate for increment",
				ml->sml_type.bv_val );
			*text = textbuf;
			return LDAP_CONSTRAINT_VIOLATION;
		}

		/*
		 * check values
		 */
		if( ml->sml_values != NULL ) {
			ber_len_t nvals;
			slap_syntax_validate_func *validate =
				ad->ad_type->sat_syntax->ssyn_validate;
			slap_syntax_transform_func *pretty =
				ad->ad_type->sat_syntax->ssyn_pretty;
 
			if( !pretty && !validate ) {
				*text = "no validator for syntax";
				snprintf( textbuf, textlen,
					"%s: no validator for syntax %s",
					ml->sml_type.bv_val,
					ad->ad_type->sat_syntax->ssyn_oid );
				*text = textbuf;
				return LDAP_INVALID_SYNTAX;
			}

			/*
			 * check that each value is valid per syntax
			 *	and pretty if appropriate
			 */
			for ( nvals = 0; !BER_BVISNULL( &ml->sml_values[nvals] ); nvals++ ) {
				struct berval pval;

				if ( pretty ) {
					rc = ordered_value_pretty( ad,
						&ml->sml_values[nvals], &pval, ctx );
				} else {
					rc = ordered_value_validate( ad,
						&ml->sml_values[nvals], ml->sml_op );
				}

				if( rc != 0 ) {
					snprintf( textbuf, textlen,
						"%s: value #%ld invalid per syntax",
						ml->sml_type.bv_val, (long) nvals );
					*text = textbuf;
					return LDAP_INVALID_SYNTAX;
				}

				if( pretty ) {
					ber_memfree_x( ml->sml_values[nvals].bv_val, ctx );
					ml->sml_values[nvals] = pval;
				}
			}
			ml->sml_values[nvals].bv_len = 0;
			ml->sml_numvals = nvals;

			/*
			 * a rough single value check... an additional check is needed
			 * to catch add of single value to existing single valued attribute
			 */
			if ((ml->sml_op == LDAP_MOD_ADD || ml->sml_op == LDAP_MOD_REPLACE)
				&& nvals > 1 && is_at_single_value( ad->ad_type ))
			{
				snprintf( textbuf, textlen,
					"%s: multiple values provided",
					ml->sml_type.bv_val );
				*text = textbuf;
				return LDAP_CONSTRAINT_VIOLATION;
			}

			/* if the type has a normalizer, generate the
			 * normalized values. otherwise leave them NULL.
			 *
			 * this is different from the rule for attributes
			 * in an entry - in an attribute list, the normalized
			 * value is set equal to the non-normalized value
			 * when there is no normalizer.
			 */
			if( nvals && ad->ad_type->sat_equality &&
				ad->ad_type->sat_equality->smr_normalize )
			{
				ml->sml_nvalues = ber_memalloc_x(
					(nvals+1)*sizeof(struct berval), ctx );

				for ( nvals = 0; !BER_BVISNULL( &ml->sml_values[nvals] ); nvals++ ) {
					rc = ordered_value_normalize(
						SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
						ad,
						ad->ad_type->sat_equality,
						&ml->sml_values[nvals], &ml->sml_nvalues[nvals], ctx );
					if ( rc ) {
						Debug( LDAP_DEBUG_ANY,
							"<= str2entry NULL (ssyn_normalize %d)\n",
							rc, 0, 0 );
						snprintf( textbuf, textlen,
							"%s: value #%ld normalization failed",
							ml->sml_type.bv_val, (long) nvals );
						*text = textbuf;
						BER_BVZERO( &ml->sml_nvalues[nvals] );
						return rc;
					}
				}

				BER_BVZERO( &ml->sml_nvalues[nvals] );
			}

			/* check for duplicates, but ignore Deletes.
			 */
			if( nvals > 1 && ml->sml_op != LDAP_MOD_DELETE ) {
				int i;
				rc = slap_sort_vals( ml, text, &i, ctx );
				if ( rc == LDAP_TYPE_OR_VALUE_EXISTS ) {
					/* value exists already */
					snprintf( textbuf, textlen,
						"%s: value #%d provided more than once",
						ml->sml_desc->ad_cname.bv_val, i );
					*text = textbuf;
				}
				if ( rc )
					return rc;
			}
		} else {
			ml->sml_numvals = 0;
		}
	}

	return LDAP_SUCCESS;
}
예제 #2
0
static int
valsort_cf_func(ConfigArgs *c) {
	slap_overinst *on = (slap_overinst *)c->bi;
	valsort_info vitmp, *vi;
	const char *text = NULL;
	int i, is_numeric;
	struct berval bv = BER_BVNULL;

	if ( c->op == SLAP_CONFIG_EMIT ) {
		for ( vi = on->on_bi.bi_private; vi; vi = vi->vi_next ) {
			struct berval bv2 = BER_BVNULL, bvret;
			char *ptr;
			int len;
			
			len = vi->vi_ad->ad_cname.bv_len + 1 + vi->vi_dn.bv_len + 2;
			i = vi->vi_sort;
			if ( i & VALSORT_WEIGHTED ) {
				enum_to_verb( sorts, VALSORT_WEIGHTED, &bv2 );
				len += bv2.bv_len + 1;
				i ^= VALSORT_WEIGHTED;
			}
			if ( i ) {
				enum_to_verb( sorts, i, &bv );
				len += bv.bv_len + 1;
			}
			bvret.bv_val = ch_malloc( len+1 );
			bvret.bv_len = len;

			ptr = lutil_strcopy( bvret.bv_val, vi->vi_ad->ad_cname.bv_val );
			*ptr++ = ' ';
			*ptr++ = '"';
			ptr = lutil_strcopy( ptr, vi->vi_dn.bv_val );
			*ptr++ = '"';
			if ( vi->vi_sort & VALSORT_WEIGHTED ) {
				*ptr++ = ' ';
				ptr = lutil_strcopy( ptr, bv2.bv_val );
			}
			if ( i ) {
				*ptr++ = ' ';
				strcpy( ptr, bv.bv_val );
			}
			ber_bvarray_add( &c->rvalue_vals, &bvret );
		}
		i = ( c->rvalue_vals != NULL ) ? 0 : 1;
		return i;
	} else if ( c->op == LDAP_MOD_DELETE ) {
		if ( c->valx < 0 ) {
			for ( vi = on->on_bi.bi_private; vi; vi = on->on_bi.bi_private ) {
				on->on_bi.bi_private = vi->vi_next;
				ch_free( vi->vi_dn.bv_val );
				ch_free( vi );
			}
		} else {
			valsort_info **prev;

			for (i=0, prev = (valsort_info **)&on->on_bi.bi_private,
				vi = *prev; vi && i<c->valx;
				prev = &vi->vi_next, vi = vi->vi_next, i++ );
			(*prev)->vi_next = vi->vi_next;
			ch_free( vi->vi_dn.bv_val );
			ch_free( vi );
		}
		return 0;
	}
	vitmp.vi_ad = NULL;
	i = slap_str2ad( c->argv[1], &vitmp.vi_ad, &text );
	if ( i ) {
		snprintf( c->cr_msg, sizeof( c->cr_msg), "<%s> %s", c->argv[0], text );
		Debug( LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
			c->log, c->cr_msg, c->argv[1] );
		return(1);
	}
	if ( is_at_single_value( vitmp.vi_ad->ad_type )) {
		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> %s is single-valued, ignoring", c->argv[0],
			vitmp.vi_ad->ad_cname.bv_val );
		Debug( LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
			c->log, c->cr_msg, c->argv[1] );
		return(0);
	}
	is_numeric = ( vitmp.vi_ad->ad_type->sat_syntax == syn_numericString ||
		vitmp.vi_ad->ad_type->sat_syntax == slap_schema.si_syn_integer ) ? 1
		: 0;
	ber_str2bv( c->argv[2], 0, 0, &bv );
	i = dnNormalize( 0, NULL, NULL, &bv, &vitmp.vi_dn, NULL );
	if ( i ) {
		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unable to normalize DN", c->argv[0] );
		Debug( LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
			c->log, c->cr_msg, c->argv[2] );
		return(1);
	}
	i = verb_to_mask( c->argv[3], sorts );
	if ( BER_BVISNULL( &sorts[i].word )) {
		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unrecognized sort type", c->argv[0] );
		Debug( LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
			c->log, c->cr_msg, c->argv[3] );
		return(1);
	}
	vitmp.vi_sort = sorts[i].mask;
	if ( sorts[i].mask == VALSORT_WEIGHTED && c->argc == 5 ) {
		i = verb_to_mask( c->argv[4], sorts );
		if ( BER_BVISNULL( &sorts[i].word )) {
			snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> unrecognized sort type", c->argv[0] );
			Debug( LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
				c->log, c->cr_msg, c->argv[4] );
			return(1);
		}
		vitmp.vi_sort |= sorts[i].mask;
	}
	if (( vitmp.vi_sort & VALSORT_NUMERIC ) && !is_numeric ) {
		snprintf( c->cr_msg, sizeof( c->cr_msg ), "<%s> numeric sort specified for non-numeric syntax",
			c->argv[0] );
		Debug( LDAP_DEBUG_ANY, "%s: %s (%s)!\n",
			c->log, c->cr_msg, c->argv[1] );
		return(1);
	}
	vi = ch_malloc( sizeof(valsort_info) );
	*vi = vitmp;
	vi->vi_next = on->on_bi.bi_private;
	on->on_bi.bi_private = vi;
	return 0;
}
예제 #3
0
static int
entry_naming_check(
	Entry *e,
	int manage,
	int add_naming,
	const char** text,
	char *textbuf, size_t textlen )
{
	/* naming check */
	LDAPRDN		rdn = NULL;
	const char	*p = NULL;
	ber_len_t	cnt;
	int		rc = LDAP_SUCCESS;

	if ( BER_BVISEMPTY( &e->e_name )) {
		return LDAP_SUCCESS;
	}

	/*
	 * Get attribute type(s) and attribute value(s) of our RDN
	 */
	if ( ldap_bv2rdn( &e->e_name, &rdn, (char **)&p,
		LDAP_DN_FORMAT_LDAP ) )
	{
		*text = "unrecognized attribute type(s) in RDN";
		return LDAP_INVALID_DN_SYNTAX;
	}

	/* Check that each AVA of the RDN is present in the entry */
	/* FIXME: Should also check that each AVA lists a distinct type */
	for ( cnt = 0; rdn[cnt]; cnt++ ) {
		LDAPAVA *ava = rdn[cnt];
		AttributeDescription *desc = NULL;
		Attribute *attr;
		const char *errtext;
		int add = 0;

		if( ava->la_flags & LDAP_AVA_BINARY ) {
			snprintf( textbuf, textlen, 
				"value of naming attribute '%s' in unsupported BER form",
				ava->la_attr.bv_val );
			rc = LDAP_NAMING_VIOLATION;
			break;
		}

		rc = slap_bv2ad( &ava->la_attr, &desc, &errtext );
		if ( rc != LDAP_SUCCESS ) {
			snprintf( textbuf, textlen, "%s (in RDN)", errtext );
			break;
		}

		if( desc->ad_type->sat_usage ) {
			snprintf( textbuf, textlen, 
				"naming attribute '%s' is operational",
				ava->la_attr.bv_val );
			rc = LDAP_NAMING_VIOLATION;
			break;
		}
 
		if( desc->ad_type->sat_collective ) {
			snprintf( textbuf, textlen, 
				"naming attribute '%s' is collective",
				ava->la_attr.bv_val );
			rc = LDAP_NAMING_VIOLATION;
			break;
		}

		if( !manage && desc->ad_type->sat_obsolete ) {
			snprintf( textbuf, textlen, 
				"naming attribute '%s' is obsolete",
				ava->la_attr.bv_val );
			rc = LDAP_NAMING_VIOLATION;
			break;
		}

		if( !desc->ad_type->sat_equality ) {
			snprintf( textbuf, textlen, 
				"naming attribute '%s' has no equality matching rule",
				ava->la_attr.bv_val );
			rc = LDAP_NAMING_VIOLATION;
			break;
		}

		if( !desc->ad_type->sat_equality->smr_match ) {
			snprintf( textbuf, textlen, 
				"naming attribute '%s' has unsupported equality matching rule",
				ava->la_attr.bv_val );
			rc = LDAP_NAMING_VIOLATION;
			break;
		}

		/* find the naming attribute */
		attr = attr_find( e->e_attrs, desc );
		if ( attr == NULL ) {
			snprintf( textbuf, textlen, 
				"naming attribute '%s' is not present in entry",
				ava->la_attr.bv_val );
			if ( add_naming ) {
				add = 1;

			} else {
				rc = LDAP_NAMING_VIOLATION;
			}

		} else {
			rc = attr_valfind( attr, SLAP_MR_VALUE_OF_ASSERTION_SYNTAX|
				SLAP_MR_ATTRIBUTE_VALUE_NORMALIZED_MATCH,
				&ava->la_value, NULL, NULL );

			if ( rc != 0 ) {
				switch( rc ) {
				case LDAP_INAPPROPRIATE_MATCHING:
					snprintf( textbuf, textlen, 
						"inappropriate matching for naming attribute '%s'",
						ava->la_attr.bv_val );
					break;
				case LDAP_INVALID_SYNTAX:
					snprintf( textbuf, textlen, 
						"value of naming attribute '%s' is invalid",
						ava->la_attr.bv_val );
					break;
				case LDAP_NO_SUCH_ATTRIBUTE:
					if ( add_naming ) {
						if ( is_at_single_value( desc->ad_type ) ) {
							snprintf( textbuf, textlen, 
								"value of single-valued naming attribute '%s' conflicts with value present in entry",
								ava->la_attr.bv_val );

						} else {
							add = 1;
							rc = LDAP_SUCCESS;
						}

					} else {
						snprintf( textbuf, textlen, 
							"value of naming attribute '%s' is not present in entry",
							ava->la_attr.bv_val );
					}
					break;
				default:
					snprintf( textbuf, textlen, 
						"naming attribute '%s' is inappropriate",
						ava->la_attr.bv_val );
				}

				if ( !add ) {
					rc = LDAP_NAMING_VIOLATION;
				}
			}
		}

		if ( add ) {
			attr_merge_normalize_one( e, desc, &ava->la_value, NULL );

		} else if ( rc != LDAP_SUCCESS ) {
			break;
		}
	}

	ldap_rdnfree( rdn );
	return rc;
}
예제 #4
0
파일: dynlist.c 프로젝트: cptaffe/openldap
static int
dynlist_sc_update( Operation *op, SlapReply *rs )
{
	Entry			*e;
	Attribute		*a;
	int			opattrs,
				userattrs;
	AccessControlState	acl_state = ACL_STATE_INIT;

	dynlist_sc_t		*dlc;
	dynlist_map_t		*dlm;

	if ( rs->sr_type != REP_SEARCH ) {
		return 0;
	}

	dlc = (dynlist_sc_t *)op->o_callback->sc_private;
	e = dlc->dlc_e;

	assert( e != NULL );
	assert( rs->sr_entry != NULL );

	/* test access to entry */
	if ( !access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
				NULL, ACL_READ, NULL ) )
	{
		goto done;
	}

	/* if there is only one member_ad, and it's not mapped,
	 * consider it as old-style member listing */
	dlm = dlc->dlc_dli->dli_dlm;
	if ( dlm && dlm->dlm_mapped_ad == NULL && dlm->dlm_next == NULL ) {
		/* if access allowed, try to add values, emulating permissive
		 * control to silently ignore duplicates */
		if ( access_allowed( op, rs->sr_entry, slap_schema.si_ad_entry,
					NULL, ACL_READ, NULL ) )
		{
			Modification	mod;
			const char	*text = NULL;
			char		textbuf[1024];
			struct berval	vals[ 2 ], nvals[ 2 ];

			vals[ 0 ] = rs->sr_entry->e_name;
			BER_BVZERO( &vals[ 1 ] );
			nvals[ 0 ] = rs->sr_entry->e_nname;
			BER_BVZERO( &nvals[ 1 ] );

			mod.sm_op = LDAP_MOD_ADD;
			mod.sm_desc = dlm->dlm_member_ad;
			mod.sm_type = dlm->dlm_member_ad->ad_cname;
			mod.sm_values = vals;
			mod.sm_nvalues = nvals;
			mod.sm_numvals = 1;

			(void)modify_add_values( e, &mod, /* permissive */ 1,
					&text, textbuf, sizeof( textbuf ) );
		}

		goto done;
	}

	opattrs = SLAP_OPATTRS( rs->sr_attr_flags );
	userattrs = SLAP_USERATTRS( rs->sr_attr_flags );

	for ( a = rs->sr_entry->e_attrs; a != NULL; a = a->a_next ) {
		BerVarray	vals, nvals = NULL;
		int		i, j,
				is_oc = a->a_desc == slap_schema.si_ad_objectClass;

		/* if attribute is not requested, skip it */
		if ( rs->sr_attrs == NULL ) {
			if ( is_at_operational( a->a_desc->ad_type ) ) {
				continue;
			}

		} else {
			if ( is_at_operational( a->a_desc->ad_type ) ) {
				if ( !opattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
				{
					continue;
				}

			} else {
				if ( !userattrs && !ad_inlist( a->a_desc, rs->sr_attrs ) )
				{
					continue;
				}
			}
		}

		/* test access to attribute */
		if ( op->ors_attrsonly ) {
			if ( !access_allowed( op, rs->sr_entry, a->a_desc, NULL,
						ACL_READ, &acl_state ) )
			{
				continue;
			}
		}

		/* single-value check: keep first only */
		if ( is_at_single_value( a->a_desc->ad_type ) ) {
			if ( attr_find( e->e_attrs, a->a_desc ) != NULL ) {
				continue;
			}
		}

		/* test access to attribute */
		i = a->a_numvals;

		vals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
		if ( a->a_nvals != a->a_vals ) {
			nvals = op->o_tmpalloc( ( i + 1 ) * sizeof( struct berval ), op->o_tmpmemctx );
		}

		for ( i = 0, j = 0; !BER_BVISNULL( &a->a_vals[i] ); i++ ) {
			if ( is_oc ) {
				ObjectClass	*soc = oc_bvfind( &a->a_vals[i] );

				if ( soc->soc_kind == LDAP_SCHEMA_STRUCTURAL ) {
					continue;
				}
			}

			if ( access_allowed( op, rs->sr_entry, a->a_desc,
						&a->a_nvals[i], ACL_READ, &acl_state ) )
			{
				vals[j] = a->a_vals[i];
				if ( nvals ) {
					nvals[j] = a->a_nvals[i];
				}
				j++;
			}
		}

		/* if access allowed, try to add values, emulating permissive
		 * control to silently ignore duplicates */
		if ( j != 0 ) {
			Modification	mod;
			const char	*text = NULL;
			char		textbuf[1024];
			dynlist_map_t	*dlm;
			AttributeDescription *ad;

			BER_BVZERO( &vals[j] );
			if ( nvals ) {
				BER_BVZERO( &nvals[j] );
			}

			ad = a->a_desc;
			for ( dlm = dlc->dlc_dli->dli_dlm; dlm; dlm = dlm->dlm_next ) {
				if ( dlm->dlm_member_ad == a->a_desc ) {
					if ( dlm->dlm_mapped_ad ) {
						ad = dlm->dlm_mapped_ad;
					}
					break;
				}
			}

			mod.sm_op = LDAP_MOD_ADD;
			mod.sm_desc = ad;
			mod.sm_type = ad->ad_cname;
			mod.sm_values = vals;
			mod.sm_nvalues = nvals;
			mod.sm_numvals = j;

			(void)modify_add_values( e, &mod, /* permissive */ 1,
					&text, textbuf, sizeof( textbuf ) );
		}

		op->o_tmpfree( vals, op->o_tmpmemctx );
		if ( nvals ) {
			op->o_tmpfree( nvals, op->o_tmpmemctx );
		}
	}

done:;
	if ( rs->sr_flags & REP_ENTRY_MUSTBEFREED ) {
		entry_free( rs->sr_entry );
		rs->sr_entry = NULL;
		rs->sr_flags &= ~REP_ENTRY_MASK;
	}

	return 0;
}
예제 #5
0
int
entry_schema_check( 
	Operation *op,
	Entry *e,
	Attribute *oldattrs,
	int manage,
	int add,
	Attribute **socp,
	const char** text,
	char *textbuf, size_t textlen )
{
	Attribute	*a, *asc = NULL, *aoc = NULL;
	ObjectClass *sc, *oc, **socs = NULL;
	AttributeType *at;
	ContentRule *cr;
	int	rc, i;
	AttributeDescription *ad_structuralObjectClass
		= slap_schema.si_ad_structuralObjectClass;
	AttributeDescription *ad_objectClass
		= slap_schema.si_ad_objectClass;
	int extensible = 0;
	int subentry = is_entry_subentry( e );
	int collectiveSubentry = 0;

	if ( SLAP_NO_SCHEMA_CHECK( op->o_bd )) {
		return LDAP_SUCCESS;
	}

	if ( get_no_schema_check( op ) ) {
		return LDAP_SUCCESS;
	}

	if( subentry ) {
		collectiveSubentry = is_entry_collectiveAttributeSubentry( e );
	}

	*text = textbuf;

	/* misc attribute checks */
	for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
		const char *type = a->a_desc->ad_cname.bv_val;

		/* there should be at least one value */
		assert( a->a_vals != NULL );
		assert( a->a_vals[0].bv_val != NULL ); 

		if( a->a_desc->ad_type->sat_check ) {
			rc = (a->a_desc->ad_type->sat_check)(
				op->o_bd, e, a, text, textbuf, textlen );
			if( rc != LDAP_SUCCESS ) {
				return rc;
			}
		}

		if( a->a_desc == ad_structuralObjectClass )
			asc = a;
		else if ( a->a_desc == ad_objectClass )
			aoc = a;

		if( !collectiveSubentry && is_at_collective( a->a_desc->ad_type ) ) {
			snprintf( textbuf, textlen,
				"'%s' can only appear in collectiveAttributeSubentry",
				type );
			return LDAP_OBJECT_CLASS_VIOLATION;
		}

		/* if single value type, check for multiple values */
		if( is_at_single_value( a->a_desc->ad_type ) &&
			a->a_vals[1].bv_val != NULL )
		{
			Debug(LDAP_DEBUG_ANY,
			      "Entry (%s), attribute '%s' cannot have multiple values\n",
			      e->e_dn, type );

			return LDAP_CONSTRAINT_VIOLATION;
		}
	}

	/* check the object class attribute */
	if ( aoc == NULL ) {
		Debug( LDAP_DEBUG_ANY, "No objectClass for entry (%s)\n",
		    e->e_dn );

		*text = "no objectClass attribute";
		return LDAP_OBJECT_CLASS_VIOLATION;
	}

	assert( aoc->a_vals != NULL );
	assert( aoc->a_vals[0].bv_val != NULL );

	/* check the structural object class attribute */
	if ( asc == NULL && !add ) {
		Debug( LDAP_DEBUG_ANY,
			"No structuralObjectClass for entry (%s)\n",
		    e->e_dn );

		*text = "no structuralObjectClass operational attribute";
		return LDAP_OTHER;
	}

	rc = structural_class( aoc->a_vals, &oc, &socs, text, textbuf, textlen,
		op->o_tmpmemctx );
	if( rc != LDAP_SUCCESS ) {
		return rc;
	}

	if ( asc == NULL && add ) {
		attr_merge_one( e, ad_structuralObjectClass, &oc->soc_cname, NULL );
		asc = attr_find( e->e_attrs, ad_structuralObjectClass );
		sc = oc;
		goto got_soc;
	}

	assert( asc->a_vals != NULL );
	assert( asc->a_vals[0].bv_val != NULL );
	assert( asc->a_vals[1].bv_val == NULL );

	sc = oc_bvfind( &asc->a_vals[0] );
	if( sc == NULL ) {
		Debug(LDAP_DEBUG_ANY,
		      "entry_check_schema(%s): unrecognized structuralObjectClass '%s'\n",
		      e->e_dn, asc->a_vals[0].bv_val );

		rc = LDAP_OBJECT_CLASS_VIOLATION;
		goto done;
	}

	if( sc->soc_kind != LDAP_SCHEMA_STRUCTURAL ) {
		Debug(LDAP_DEBUG_ANY,
		      "entry_check_schema(%s): structuralObjectClass '%s' is not STRUCTURAL\n",
		      e->e_dn, asc->a_vals[0].bv_val );

		rc = LDAP_OTHER;
		goto done;
	}

got_soc:
	if( !manage && sc->soc_obsolete ) {
		Debug(LDAP_DEBUG_ANY,
		      "entry_check_schema(%s): structuralObjectClass '%s' is OBSOLETE\n",
		      e->e_dn, asc->a_vals[0].bv_val );

		rc = LDAP_OBJECT_CLASS_VIOLATION;
		goto done;
	}

	*text = textbuf;

	if ( oc == NULL ) {
		snprintf( textbuf, textlen, 
			"unrecognized objectClass '%s'",
			aoc->a_vals[0].bv_val );
		rc = LDAP_OBJECT_CLASS_VIOLATION;
		goto done;

	} else if ( sc != oc ) {
		if ( !manage && sc != slap_schema.si_oc_glue ) {
			snprintf( textbuf, textlen, 
				"structural object class modification "
				"from '%s' to '%s' not allowed",
				asc->a_vals[0].bv_val, oc->soc_cname.bv_val );
			rc = LDAP_NO_OBJECT_CLASS_MODS;
			goto done;
		}

		assert( asc->a_vals != NULL );
		assert( !BER_BVISNULL( &asc->a_vals[0] ) );
		assert( BER_BVISNULL( &asc->a_vals[1] ) );
		assert( asc->a_nvals == asc->a_vals );

		/* draft-zeilenga-ldap-relax: automatically modify
		 * structuralObjectClass if changed with relax */
		sc = oc;
		ber_bvreplace( &asc->a_vals[ 0 ], &sc->soc_cname );
		if ( socp ) {
			*socp = asc;
		}
	}

	/* naming check */
	if ( !is_entry_glue ( e ) ) {
		rc = entry_naming_check( e, manage, add, text, textbuf, textlen );
		if( rc != LDAP_SUCCESS ) {
			goto done;
		}
	} else {
		/* Glue Entry */
	}

	/* find the content rule for the structural class */
	cr = cr_find( sc->soc_oid );

	/* the cr must be same as the structural class */
	assert( !cr || !strcmp( cr->scr_oid, sc->soc_oid ) );

	/* check that the entry has required attrs of the content rule */
	if( cr ) {
		if( !manage && cr->scr_obsolete ) {
			Debug(LDAP_DEBUG_ANY,
			      "Entry (%s): content rule '%s' is obsolete\n",
			      e->e_dn, ldap_contentrule2name(&cr->scr_crule) );

			rc = LDAP_OBJECT_CLASS_VIOLATION;
			goto done;
		}

		if( cr->scr_required ) for( i=0; cr->scr_required[i]; i++ ) {
			at = cr->scr_required[i];

			for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
				if( a->a_desc->ad_type == at ) {
					break;
				}
			}

			/* not there => schema violation */
			if ( a == NULL ) {
				Debug(LDAP_DEBUG_ANY,
				      "Entry (%s): content rule '%s' requires attribute '%s'\n",
				      e->e_dn,
				      ldap_contentrule2name(&cr->scr_crule),
				      at->sat_cname.bv_val );

				rc = LDAP_OBJECT_CLASS_VIOLATION;
				goto done;
			}
		}

		if( cr->scr_precluded ) for( i=0; cr->scr_precluded[i]; i++ ) {
			at = cr->scr_precluded[i];

			for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
				if( a->a_desc->ad_type == at ) {
					break;
				}
			}

			/* there => schema violation */
			if ( a != NULL ) {
				Debug(LDAP_DEBUG_ANY,
				      "Entry (%s): content rule '%s' precluded attribute '%s'\n",
				      e->e_dn,
				      ldap_contentrule2name(&cr->scr_crule),
				      at->sat_cname.bv_val );

				rc = LDAP_OBJECT_CLASS_VIOLATION;
				goto done;
			}
		}
	}

	/* check that the entry has required attrs for each oc */
	for ( i = 0; socs[i]; i++ ) {
		oc = socs[i];
		if ( !manage && oc->soc_obsolete ) {
			/* disallow obsolete classes */
			Debug(LDAP_DEBUG_ANY,
			      "entry_check_schema(%s): objectClass '%s' is OBSOLETE\n",
			      e->e_dn, aoc->a_vals[i].bv_val );

			rc = LDAP_OBJECT_CLASS_VIOLATION;
			goto done;
		}

		if ( oc->soc_check ) {
			rc = (oc->soc_check)( op->o_bd, e, oc,
				text, textbuf, textlen );
			if( rc != LDAP_SUCCESS ) {
				goto done;
			}
		}

		if ( oc->soc_kind == LDAP_SCHEMA_ABSTRACT ) {
			/* object class is abstract */
			if ( oc != slap_schema.si_oc_top &&
				!is_object_subclass( oc, sc ))
			{
				int j;
				ObjectClass *xc = NULL;
				for( j=0; socs[j]; j++ ) {
					if( i != j ) {
						xc = socs[j];

						/* since we previous check against the
						 * structural object of this entry, the
						 * abstract class must be a (direct or indirect)
						 * superclass of one of the auxiliary classes of
						 * the entry.
						 */
						if ( xc->soc_kind == LDAP_SCHEMA_AUXILIARY &&
							is_object_subclass( oc, xc ) )
						{
							xc = NULL;
							break;
						}
					}
				}

				if( xc != NULL ) {
					Debug(LDAP_DEBUG_ANY,
					      "entry_check_schema(%s): instantiation of " "abstract objectClass '%s' not allowed\n",
					      e->e_dn, aoc->a_vals[i].bv_val );

					rc = LDAP_OBJECT_CLASS_VIOLATION;
					goto done;
				}
			}

		} else if ( oc->soc_kind != LDAP_SCHEMA_STRUCTURAL || oc == sc ) {
			char *s;

			if( oc->soc_kind == LDAP_SCHEMA_AUXILIARY ) {
				int k;

				if( cr ) {
					int j;

					k = -1;
					if( cr->scr_auxiliaries ) {
						for( j = 0; cr->scr_auxiliaries[j]; j++ ) {
							if( cr->scr_auxiliaries[j] == oc ) {
								k = 0;
								break;
							}
						}
					}
					if ( k ) {
						snprintf( textbuf, textlen, 
							"class '%s' not allowed by content rule '%s'",
							oc->soc_cname.bv_val,
							ldap_contentrule2name( &cr->scr_crule ) );
					}
				} else if ( global_disallows & SLAP_DISALLOW_AUX_WO_CR ) {
					k = -1;
					snprintf( textbuf, textlen, 
						"class '%s' not allowed by any content rule",
						oc->soc_cname.bv_val );
				} else {
					k = 0;	
				}

				if( k == -1 ) {
					Debug( LDAP_DEBUG_ANY,
						"Entry (%s): %s\n",
						e->e_dn, textbuf );

					rc = LDAP_OBJECT_CLASS_VIOLATION;
					goto done;
				}
			}

			s = oc_check_required( e, oc, &aoc->a_vals[i] );
			if (s != NULL) {
				Debug(LDAP_DEBUG_ANY,
				      "Entry (%s): object class '%s' requires attribute '%s'\n",
				      e->e_dn, aoc->a_vals[i].bv_val, s );

				rc = LDAP_OBJECT_CLASS_VIOLATION;
				goto done;
			}

			if( oc == slap_schema.si_oc_extensibleObject ) {
				extensible=1;
			}
		}
	}

	if( extensible ) {
		*text = NULL;
		rc = LDAP_SUCCESS;
		goto done;
	}

	/* check that each attr in the entry is allowed by some oc */
	for ( a = e->e_attrs; a != NULL; a = a->a_next ) {
 		rc = LDAP_OBJECT_CLASS_VIOLATION;

		if( cr && cr->scr_required ) {
			for( i=0; cr->scr_required[i]; i++ ) {
				if( cr->scr_required[i] == a->a_desc->ad_type ) {
					rc = LDAP_SUCCESS;
					break;
				}
			}
		}

		if( rc != LDAP_SUCCESS && cr && cr->scr_allowed ) {
			for( i=0; cr->scr_allowed[i]; i++ ) {
				if( cr->scr_allowed[i] == a->a_desc->ad_type ) {
					rc = LDAP_SUCCESS;
					break;
				}
			}
		}

		if( rc != LDAP_SUCCESS ) 
		{
			rc = oc_check_allowed( a->a_desc->ad_type, socs, sc );
		}

		if ( rc != LDAP_SUCCESS ) {
			char *type = a->a_desc->ad_cname.bv_val;

			Debug(LDAP_DEBUG_ANY,
			      "Entry (%s), attribute '%s' not allowed\n",
			      e->e_dn, type );

			goto done;
		}
	}

	*text = NULL;
done:
	slap_sl_free( socs, op->o_tmpmemctx );
	return rc;
}