summaryrefslogtreecommitdiffstats
path: root/servers/slapd/schema.c
blob: a98f0c6d88621a7f9950ff87674c2c99a79fcd0e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
/* schema.c - routines to manage schema definitions */
/* $OpenLDAP$ */
/* 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/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" );
		*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;
}