1 files changed, 75 insertions, 0 deletions
diff --git a/servers/slapd/sets.h b/servers/slapd/sets.h
new file mode 100644
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+++ b/servers/slapd/sets.h
@@ -0,0 +1,75 @@
+/* $OpenLDAP$ */
+/* 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>.
+ */
+
+#ifndef SLAP_SETS_H_
+#define SLAP_SETS_H_
+
+#include <ldap_cdefs.h>
+
+LDAP_BEGIN_DECL
+
+typedef struct slap_set_cookie {
+	Operation *set_op;
+} SetCookie;
+
+/* this routine needs to return the bervals instead of
+ * plain strings, since syntax is not known.  It should
+ * also return the syntax or some "comparison cookie"
+ * that is used by set_filter.
+ */
+typedef BerVarray (SLAP_SET_GATHER)( SetCookie *cookie,
+		struct berval *name, AttributeDescription *ad);
+
+LDAP_SLAPD_F (int) slap_set_filter(
+	SLAP_SET_GATHER gatherer,
+	SetCookie *cookie, struct berval *filter,
+	struct berval *user, struct berval *target, BerVarray *results);
+
+LDAP_SLAPD_F (BerVarray) slap_set_join(SetCookie *cp,
+	BerVarray lset, unsigned op, BerVarray rset);
+
+#define SLAP_SET_OPMASK		0x00FF
+
+#define SLAP_SET_REFARR		0x0100
+#define SLAP_SET_REFVAL		0x0200
+#define SLAP_SET_REF		(SLAP_SET_REFARR|SLAP_SET_REFVAL)
+
+/* The unsigned "op" can be ORed with the flags below;
+ * - if the rset's values must not be freed, or must be copied if kept,
+ *   it is ORed with SLAP_SET_RREFVAL
+ * - if the rset array must not be freed, or must be copied if kept,
+ *   it is ORed with SLAP_SET_RREFARR
+ * - the same applies to the lset with SLAP_SET_LREFVAL and SLAP_SET_LREFARR
+ * - it is assumed that SLAP_SET_REFVAL implies SLAP_SET_REFARR,
+ *   i.e. the former is checked only if the latter is set.
+ */
+
+#define SLAP_SET_RREFARR	SLAP_SET_REFARR
+#define SLAP_SET_RREFVAL	SLAP_SET_REFVAL
+#define SLAP_SET_RREF		SLAP_SET_REF
+#define SLAP_SET_RREFMASK	0x0F00
+
+#define SLAP_SET_RREF2REF(r)	((r) & SLAP_SET_RREFMASK)
+	
+#define SLAP_SET_LREFARR	0x1000
+#define SLAP_SET_LREFVAL	0x2000
+#define SLAP_SET_LREF		(SLAP_SET_LREFARR|SLAP_SET_LREFVAL)
+#define SLAP_SET_LREFMASK	0xF000
+	
+#define SLAP_SET_LREF2REF(r)	(((r) & SLAP_SET_LREFMASK) >> 4)
+	
+LDAP_END_DECL
+
+#endif