1 files changed, 133 insertions, 0 deletions
diff --git a/servers/slapd/ava.c b/servers/slapd/ava.c
new file mode 100644
index 0000000..51d9cc1
--- /dev/null
+++ b/servers/slapd/ava.c
@@ -0,0 +1,133 @@
+/* ava.c - routines for dealing with attribute value assertions */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2022 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>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/string.h>
+#include <ac/socket.h>
+
+#include "slap.h"
+
+#ifdef LDAP_COMP_MATCH
+#include "component.h"
+#endif
+
+void
+ava_free(
+	Operation *op,
+	AttributeAssertion *ava,
+	int	freeit )
+{
+#ifdef LDAP_COMP_MATCH
+	if ( ava->aa_cf && ava->aa_cf->cf_ca->ca_comp_data.cd_mem_op )
+		nibble_mem_free ( ava->aa_cf->cf_ca->ca_comp_data.cd_mem_op );
+#endif
+	op->o_tmpfree( ava->aa_value.bv_val, op->o_tmpmemctx );
+	if ( ava->aa_desc->ad_flags & SLAP_DESC_TEMPORARY )
+		op->o_tmpfree( ava->aa_desc, op->o_tmpmemctx );
+	if ( freeit ) op->o_tmpfree( (char *) ava, op->o_tmpmemctx );
+}
+
+int
+get_ava(
+	Operation *op,
+	BerElement	*ber,
+	Filter *f,
+	unsigned usage,
+	const char **text )
+{
+	int rc;
+	ber_tag_t rtag;
+	struct berval type, value;
+	AttributeAssertion *aa;
+#ifdef LDAP_COMP_MATCH
+	AttributeAliasing* a_alias = NULL;
+#endif
+
+	rtag = ber_scanf( ber, "{mm}", &type, &value );
+
+	if( rtag == LBER_ERROR ) {
+		Debug( LDAP_DEBUG_ANY, "  get_ava ber_scanf\n" );
+		*text = "Error decoding attribute value assertion";
+		return SLAPD_DISCONNECT;
+	}
+
+	aa = op->o_tmpalloc( sizeof( AttributeAssertion ), op->o_tmpmemctx );
+	aa->aa_desc = NULL;
+	aa->aa_value.bv_val = NULL;
+#ifdef LDAP_COMP_MATCH
+	aa->aa_cf = NULL;
+#endif
+
+	rc = slap_bv2ad( &type, &aa->aa_desc, text );
+
+	if( rc != LDAP_SUCCESS ) {
+		f->f_choice |= SLAPD_FILTER_UNDEFINED;
+		*text = NULL;
+		rc = slap_bv2undef_ad( &type, &aa->aa_desc, text,
+				SLAP_AD_PROXIED|SLAP_AD_NOINSERT );
+
+		if( rc != LDAP_SUCCESS ) {
+			Debug( LDAP_DEBUG_FILTER,
+			"get_ava: unknown attributeType %s\n", type.bv_val );
+			aa->aa_desc = slap_bv2tmp_ad( &type, op->o_tmpmemctx );
+			ber_dupbv_x( &aa->aa_value, &value, op->o_tmpmemctx );
+			f->f_ava = aa;
+			return LDAP_SUCCESS;
+		}
+	}
+
+	rc = asserted_value_validate_normalize(
+		aa->aa_desc, ad_mr(aa->aa_desc, usage),
+		usage, &value, &aa->aa_value, text, op->o_tmpmemctx );
+
+	if( rc != LDAP_SUCCESS ) {
+		f->f_choice |= SLAPD_FILTER_UNDEFINED;
+		Debug( LDAP_DEBUG_FILTER,
+		"get_ava: illegal value for attributeType %s\n", type.bv_val );
+		ber_dupbv_x( &aa->aa_value, &value, op->o_tmpmemctx );
+		*text = NULL;
+		rc = LDAP_SUCCESS;
+	}
+
+#ifdef LDAP_COMP_MATCH
+	if( is_aliased_attribute ) {
+		a_alias = is_aliased_attribute ( aa->aa_desc );
+		if ( a_alias ) {
+			rc = get_aliased_filter_aa ( op, aa, a_alias, text );
+			if( rc != LDAP_SUCCESS ) {
+				Debug( LDAP_DEBUG_FILTER,
+						"get_ava: Invalid Attribute Aliasing\n" );
+				return rc;
+			}
+		}
+	}
+#endif
+	f->f_ava = aa;
+	return LDAP_SUCCESS;
+}