Adding upstream version 2.4.57+dfsg.upstream/2.4.57+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 167 insertions, 0 deletions

diff --git a/servers/slapd/schema.c b/servers/slapd/schema.c
new file mode 100644
index 0000000..b3d9929
--- /dev/null
+++ b/servers/slapd/schema.c
@@ -0,0 +1,167 @@
+/* schema.c - routines to manage schema definitions */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 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/ctype.h>
+#include <ac/string.h>
+#include <ac/socket.h>
+
+#include "slap.h"
+#include "lutil.h"
+
+
+int
+schema_info( Entry **entry, const char **text )
+{
+	AttributeDescription *ad_structuralObjectClass
+		= slap_schema.si_ad_structuralObjectClass;
+	AttributeDescription *ad_objectClass
+		= slap_schema.si_ad_objectClass;
+	AttributeDescription *ad_createTimestamp
+		= slap_schema.si_ad_createTimestamp;
+	AttributeDescription *ad_modifyTimestamp
+		= slap_schema.si_ad_modifyTimestamp;
+
+	Entry		*e;
+	struct berval	vals[5];
+	struct berval	nvals[5];
+
+	e = entry_alloc();
+	if( e == NULL ) {
+		/* Out of memory, do something about it */
+		Debug( LDAP_DEBUG_ANY, 
+			"schema_info: entry_alloc failed - out of memory.\n", 0, 0, 0 );
+		*text = "out of memory";
+		return LDAP_OTHER;
+	}
+
+	e->e_attrs = NULL;
+	/* backend-specific schema info should be created by the
+	 * backend itself
+	 */
+	ber_dupbv( &e->e_name, &frontendDB->be_schemadn );
+	ber_dupbv( &e->e_nname, &frontendDB->be_schemandn );
+	e->e_private = NULL;
+
+	BER_BVSTR( &vals[0], "subentry" );
+	if( attr_merge_one( e, ad_structuralObjectClass, vals, NULL ) ) {
+		/* Out of memory, do something about it */
+		entry_free( e );
+		*text = "out of memory";
+		return LDAP_OTHER;
+	}
+
+	BER_BVSTR( &vals[0], "top" );
+	BER_BVSTR( &vals[1], "subentry" );
+	BER_BVSTR( &vals[2], "subschema" );
+	BER_BVSTR( &vals[3], "extensibleObject" );
+	BER_BVZERO( &vals[4] );
+	if ( attr_merge( e, ad_objectClass, vals, NULL ) ) {
+		/* Out of memory, do something about it */
+		entry_free( e );
+		*text = "out of memory";
+		return LDAP_OTHER;
+	}
+
+	{
+		int rc;
+		AttributeDescription *desc = NULL;
+		struct berval rdn = frontendDB->be_schemadn;
+		vals[0].bv_val = ber_bvchr( &rdn, '=' );
+
+		if( vals[0].bv_val == NULL ) {
+			*text = "improperly configured subschema subentry";
+			return LDAP_OTHER;
+		}
+
+		vals[0].bv_val++;
+		vals[0].bv_len = rdn.bv_len - (vals[0].bv_val - rdn.bv_val);
+		rdn.bv_len -= vals[0].bv_len + 1;
+
+		rc = slap_bv2ad( &rdn, &desc, text );
+
+		if( rc != LDAP_SUCCESS ) {
+			entry_free( e );
+			*text = "improperly configured subschema subentry";
+			return LDAP_OTHER;
+		}
+
+		nvals[0].bv_val = ber_bvchr( &frontendDB->be_schemandn, '=' );
+		assert( nvals[0].bv_val != NULL );
+		nvals[0].bv_val++;
+		nvals[0].bv_len = frontendDB->be_schemandn.bv_len -
+			(nvals[0].bv_val - frontendDB->be_schemandn.bv_val);
+
+		if ( attr_merge_one( e, desc, vals, nvals ) ) {
+			/* Out of memory, do something about it */
+			entry_free( e );
+			*text = "out of memory";
+			return LDAP_OTHER;
+		}
+	}
+
+	{
+		char		timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
+
+		/*
+		 * According to RFC 4512:
+
+   Servers SHOULD maintain the 'creatorsName', 'createTimestamp',       
+   'modifiersName', and 'modifyTimestamp' attributes for all entries of 
+   the DIT. 
+
+		 * to be conservative, we declare schema created 
+		 * AND modified at server startup time ...
+		 */
+
+		vals[0].bv_val = timebuf;
+		vals[0].bv_len = sizeof( timebuf );
+
+		slap_timestamp( &starttime, vals );
+
+		if( attr_merge_one( e, ad_createTimestamp, vals, NULL ) ) {
+			/* Out of memory, do something about it */
+			entry_free( e );
+			*text = "out of memory";
+			return LDAP_OTHER;
+		}
+		if( attr_merge_one( e, ad_modifyTimestamp, vals, NULL ) ) {
+			/* Out of memory, do something about it */
+			entry_free( e );
+			*text = "out of memory";
+			return LDAP_OTHER;
+		}
+	}
+
+	if ( syn_schema_info( e ) 
+		|| mr_schema_info( e )
+		|| mru_schema_info( e )
+		|| at_schema_info( e )
+		|| oc_schema_info( e )
+		|| cr_schema_info( e ) )
+	{
+		/* Out of memory, do something about it */
+		entry_free( e );
+		*text = "out of memory";
+		return LDAP_OTHER;
+	}
+	
+	*entry = e;
+	return LDAP_SUCCESS;
+}