1 files changed, 91 insertions, 0 deletions
diff --git a/servers/slapd/index.c b/servers/slapd/index.c
new file mode 100644
index 0000000..303cb9a
--- /dev/null
+++ b/servers/slapd/index.c
@@ -0,0 +1,91 @@
+/* index.c - index utilities */
+/* $OpenLDAP$ */
+/* 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>.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+#include <ac/string.h>
+#include <lutil.h>
+
+#include "slap.h"
+
+static slap_verbmasks idxstr[] = {
+	{ BER_BVC("pres"), SLAP_INDEX_PRESENT },
+	{ BER_BVC("eq"), SLAP_INDEX_EQUALITY },
+	{ BER_BVC("approx"), SLAP_INDEX_APPROX },
+	{ BER_BVC("subinitial"), SLAP_INDEX_SUBSTR_INITIAL },
+	{ BER_BVC("subany"), SLAP_INDEX_SUBSTR_ANY },
+	{ BER_BVC("subfinal"), SLAP_INDEX_SUBSTR_FINAL },
+	{ BER_BVC("sub"), SLAP_INDEX_SUBSTR_DEFAULT },
+	{ BER_BVC("substr"), 0 },
+	{ BER_BVC("notags"), SLAP_INDEX_NOTAGS },
+	{ BER_BVC("nolang"), 0 },	/* backwards compat */
+	{ BER_BVC("nosubtypes"), SLAP_INDEX_NOSUBTYPES },
+	{ BER_BVNULL, 0 }
+};
+
+
+int slap_str2index( const char *str, slap_mask_t *idx )
+{
+	int i;
+
+	i = verb_to_mask( str, idxstr );
+	if ( BER_BVISNULL(&idxstr[i].word) ) return LDAP_OTHER;
+	while ( !idxstr[i].mask ) i--;
+	*idx = idxstr[i].mask;
+
+
+	return LDAP_SUCCESS;
+}
+
+void slap_index2bvlen( slap_mask_t idx, struct berval *bv )
+{
+	int i;
+
+	bv->bv_len = 0;
+
+	for ( i=0; !BER_BVISNULL( &idxstr[i].word ); i++ ) {
+		if ( !idxstr[i].mask ) continue;
+		if ( IS_SLAP_INDEX( idx, idxstr[i].mask )) {
+			if ( (idxstr[i].mask & SLAP_INDEX_SUBSTR) &&
+				((idx & SLAP_INDEX_SUBSTR_DEFAULT) != idxstr[i].mask))
+				continue;
+			if ( bv->bv_len ) bv->bv_len++;
+			bv->bv_len += idxstr[i].word.bv_len;
+		}
+	}
+}
+
+/* caller must provide buffer space, after calling index2bvlen */
+void slap_index2bv( slap_mask_t idx, struct berval *bv )
+{
+	int i;
+	char *ptr;
+
+	if ( !bv->bv_len ) return;
+
+	ptr = bv->bv_val;
+	for ( i=0; !BER_BVISNULL( &idxstr[i].word ); i++ ) {
+		if ( !idxstr[i].mask ) continue;
+		if ( IS_SLAP_INDEX( idx, idxstr[i].mask )) {
+			if ( (idxstr[i].mask & SLAP_INDEX_SUBSTR) &&
+				((idx & SLAP_INDEX_SUBSTR_DEFAULT) != idxstr[i].mask))
+				continue;
+			if ( ptr != bv->bv_val ) *ptr++ = ',';
+			ptr = lutil_strcopy( ptr, idxstr[i].word.bv_val );
+		}
+	}
+}