1 /* $NetBSD: schema.c,v 1.3 2021/08/14 16:14:58 christos Exp $ */
2
3 /* schema.c - routines to manage schema definitions */
4 /* $OpenLDAP$ */
5 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
6 *
7 * Copyright 1998-2021 The OpenLDAP Foundation.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted only as authorized by the OpenLDAP
12 * Public License.
13 *
14 * A copy of this license is available in the file LICENSE in the
15 * top-level directory of the distribution or, alternatively, at
16 * <http://www.OpenLDAP.org/license.html>.
17 */
18
19 #include <sys/cdefs.h>
20 __RCSID("$NetBSD: schema.c,v 1.3 2021/08/14 16:14:58 christos Exp $");
21
22 #include "portable.h"
23
24 #include <stdio.h>
25
26 #include <ac/ctype.h>
27 #include <ac/string.h>
28 #include <ac/socket.h>
29
30 #include "slap.h"
31 #include "lutil.h"
32
33
34 int
schema_info(Entry ** entry,const char ** text)35 schema_info( Entry **entry, const char **text )
36 {
37 AttributeDescription *ad_structuralObjectClass
38 = slap_schema.si_ad_structuralObjectClass;
39 AttributeDescription *ad_objectClass
40 = slap_schema.si_ad_objectClass;
41 AttributeDescription *ad_createTimestamp
42 = slap_schema.si_ad_createTimestamp;
43 AttributeDescription *ad_modifyTimestamp
44 = slap_schema.si_ad_modifyTimestamp;
45
46 Entry *e;
47 struct berval vals[5];
48 struct berval nvals[5];
49
50 e = entry_alloc();
51 if( e == NULL ) {
52 /* Out of memory, do something about it */
53 Debug( LDAP_DEBUG_ANY,
54 "schema_info: entry_alloc failed - out of memory.\n" );
55 *text = "out of memory";
56 return LDAP_OTHER;
57 }
58
59 e->e_attrs = NULL;
60 /* backend-specific schema info should be created by the
61 * backend itself
62 */
63 ber_dupbv( &e->e_name, &frontendDB->be_schemadn );
64 ber_dupbv( &e->e_nname, &frontendDB->be_schemandn );
65 e->e_private = NULL;
66
67 BER_BVSTR( &vals[0], "subentry" );
68 if( attr_merge_one( e, ad_structuralObjectClass, vals, NULL ) ) {
69 /* Out of memory, do something about it */
70 entry_free( e );
71 *text = "out of memory";
72 return LDAP_OTHER;
73 }
74
75 BER_BVSTR( &vals[0], "top" );
76 BER_BVSTR( &vals[1], "subentry" );
77 BER_BVSTR( &vals[2], "subschema" );
78 BER_BVSTR( &vals[3], "extensibleObject" );
79 BER_BVZERO( &vals[4] );
80 if ( attr_merge( e, ad_objectClass, vals, NULL ) ) {
81 /* Out of memory, do something about it */
82 entry_free( e );
83 *text = "out of memory";
84 return LDAP_OTHER;
85 }
86
87 {
88 int rc;
89 AttributeDescription *desc = NULL;
90 struct berval rdn = frontendDB->be_schemadn;
91 vals[0].bv_val = ber_bvchr( &rdn, '=' );
92
93 if( vals[0].bv_val == NULL ) {
94 *text = "improperly configured subschema subentry";
95 return LDAP_OTHER;
96 }
97
98 vals[0].bv_val++;
99 vals[0].bv_len = rdn.bv_len - (vals[0].bv_val - rdn.bv_val);
100 rdn.bv_len -= vals[0].bv_len + 1;
101
102 rc = slap_bv2ad( &rdn, &desc, text );
103
104 if( rc != LDAP_SUCCESS ) {
105 entry_free( e );
106 *text = "improperly configured subschema subentry";
107 return LDAP_OTHER;
108 }
109
110 nvals[0].bv_val = ber_bvchr( &frontendDB->be_schemandn, '=' );
111 assert( nvals[0].bv_val != NULL );
112 nvals[0].bv_val++;
113 nvals[0].bv_len = frontendDB->be_schemandn.bv_len -
114 (nvals[0].bv_val - frontendDB->be_schemandn.bv_val);
115
116 if ( attr_merge_one( e, desc, vals, nvals ) ) {
117 /* Out of memory, do something about it */
118 entry_free( e );
119 *text = "out of memory";
120 return LDAP_OTHER;
121 }
122 }
123
124 {
125 char timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
126
127 /*
128 * According to RFC 4512:
129
130 Servers SHOULD maintain the 'creatorsName', 'createTimestamp',
131 'modifiersName', and 'modifyTimestamp' attributes for all entries of
132 the DIT.
133
134 * to be conservative, we declare schema created
135 * AND modified at server startup time ...
136 */
137
138 vals[0].bv_val = timebuf;
139 vals[0].bv_len = sizeof( timebuf );
140
141 slap_timestamp( &starttime, vals );
142
143 if( attr_merge_one( e, ad_createTimestamp, vals, NULL ) ) {
144 /* Out of memory, do something about it */
145 entry_free( e );
146 *text = "out of memory";
147 return LDAP_OTHER;
148 }
149 if( attr_merge_one( e, ad_modifyTimestamp, vals, NULL ) ) {
150 /* Out of memory, do something about it */
151 entry_free( e );
152 *text = "out of memory";
153 return LDAP_OTHER;
154 }
155 }
156
157 if ( syn_schema_info( e )
158 || mr_schema_info( e )
159 || mru_schema_info( e )
160 || at_schema_info( e )
161 || oc_schema_info( e )
162 || cr_schema_info( e ) )
163 {
164 /* Out of memory, do something about it */
165 entry_free( e );
166 *text = "out of memory";
167 return LDAP_OTHER;
168 }
169
170 *entry = e;
171 return LDAP_SUCCESS;
172 }
173