1 files changed, 84 insertions, 0 deletions
diff --git a/servers/slapd/str2filter.c b/servers/slapd/str2filter.c
new file mode 100644
index 0000000..8642ec3
--- /dev/null
+++ b/servers/slapd/str2filter.c
@@ -0,0 +1,84 @@
+/* str2filter.c - parse an RFC 4515 string filter */
+/* $OpenLDAP$ */
+/* 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/ctype.h>
+#include <ac/socket.h>
+
+#include "slap.h"
+
+
+Filter *
+str2filter_x( Operation *op, const char *str )
+{
+	int rc;
+	Filter	*f = NULL;
+	BerElementBuffer berbuf;
+	BerElement *ber = (BerElement *)&berbuf;
+	const char *text = NULL;
+
+	Debug( LDAP_DEBUG_FILTER, "str2filter \"%s\"\n", str );
+
+	if ( str == NULL || *str == '\0' ) {
+		return NULL;
+	}
+
+	ber_init2( ber, NULL, LBER_USE_DER );
+	if ( op->o_tmpmemctx ) {
+		ber_set_option( ber, LBER_OPT_BER_MEMCTX, &op->o_tmpmemctx );
+	}
+
+	rc = ldap_pvt_put_filter( ber, str );
+	if( rc < 0 ) {
+		goto done;
+	}
+
+	ber_reset( ber, 1 );
+
+	rc = get_filter( op, ber, &f, &text );
+
+done:
+	ber_free_buf( ber );
+
+	return f;
+}
+
+Filter *
+str2filter( const char *str )
+{
+	Operation op = {0};
+	Opheader ohdr = {0};
+
+	op.o_hdr = &ohdr;
+	op.o_tmpmemctx = NULL;
+	op.o_tmpmfuncs = &ch_mfuncs;
+
+	return str2filter_x( &op, str );
+}