external/bsd/openldap/dist/servers/slapd/schema.c

   1 /* schema.c - routines to manage schema definitions */
   2 /* $OpenLDAP: pkg/ldap/servers/slapd/schema.c,v 1.105.2.4 2008/02/11 23:26:44 kurt Exp $ */
   3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
   4  *
   5  * Copyright 1998-2008 The OpenLDAP Foundation.
   6  * All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted only as authorized by the OpenLDAP
  10  * Public License.
  11  *
  12  * A copy of this license is available in the file LICENSE in the
  13  * top-level directory of the distribution or, alternatively, at
  14  * <http://www.OpenLDAP.org/license.html>.
  15  */
  16
  17 #include "portable.h"
  18
  19 #include <stdio.h>
  20
  21 #include <ac/ctype.h>
  22 #include <ac/string.h>
  23 #include <ac/socket.h>
  24
  25 #include "slap.h"
  26 #include "lutil.h"
  27
  28
  29 int
  30 schema_info( Entry **entry, const char **text )
  31 {
  32         AttributeDescription *ad_structuralObjectClass
  33                 = slap_schema.si_ad_structuralObjectClass;
  34         AttributeDescription *ad_objectClass
  35                 = slap_schema.si_ad_objectClass;
  36         AttributeDescription *ad_createTimestamp
  37                 = slap_schema.si_ad_createTimestamp;
  38         AttributeDescription *ad_modifyTimestamp
  39                 = slap_schema.si_ad_modifyTimestamp;
  40
  41         Entry           *e;
  42         struct berval   vals[5];
  43         struct berval   nvals[5];
  44
  45         e = entry_alloc();
  46         if( e == NULL ) {
  47                 /* Out of memory, do something about it */
  48                 Debug( LDAP_DEBUG_ANY,
  49                         "schema_info: entry_alloc failed - out of memory.\n", 0, 0, 0 );
  50                 *text = "out of memory";
  51                 return LDAP_OTHER;
  52         }
  53
  54         e->e_attrs = NULL;
  55         /* backend-specific schema info should be created by the
  56          * backend itself
  57          */
  58         ber_dupbv( &e->e_name, &frontendDB->be_schemadn );
  59         ber_dupbv( &e->e_nname, &frontendDB->be_schemandn );
  60         e->e_private = NULL;
  61
  62         BER_BVSTR( &vals[0], "subentry" );
  63         if( attr_merge_one( e, ad_structuralObjectClass, vals, NULL ) ) {
  64                 /* Out of memory, do something about it */
  65                 entry_free( e );
  66                 *text = "out of memory";
  67                 return LDAP_OTHER;
  68         }
  69
  70         BER_BVSTR( &vals[0], "top" );
  71         BER_BVSTR( &vals[1], "subentry" );
  72         BER_BVSTR( &vals[2], "subschema" );
  73         BER_BVSTR( &vals[3], "extensibleObject" );
  74         BER_BVZERO( &vals[4] );
  75         if ( attr_merge( e, ad_objectClass, vals, NULL ) ) {
  76                 /* Out of memory, do something about it */
  77                 entry_free( e );
  78                 *text = "out of memory";
  79                 return LDAP_OTHER;
  80         }
  81
  82         {
  83                 int rc;
  84                 AttributeDescription *desc = NULL;
  85                 struct berval rdn = frontendDB->be_schemadn;
  86                 vals[0].bv_val = ber_bvchr( &rdn, '=' );
  87
  88                 if( vals[0].bv_val == NULL ) {
  89                         *text = "improperly configured subschema subentry";
  90                         return LDAP_OTHER;
  91                 }
  92
  93                 vals[0].bv_val++;
  94                 vals[0].bv_len = rdn.bv_len - (vals[0].bv_val - rdn.bv_val);
  95                 rdn.bv_len -= vals[0].bv_len + 1;
  96
  97                 rc = slap_bv2ad( &rdn, &desc, text );
  98
  99                 if( rc != LDAP_SUCCESS ) {
 100                         entry_free( e );
 101                         *text = "improperly configured subschema subentry";
 102                         return LDAP_OTHER;
 103                 }
 104
 105                 nvals[0].bv_val = ber_bvchr( &frontendDB->be_schemandn, '=' );
 106                 assert( nvals[0].bv_val != NULL );
 107                 nvals[0].bv_val++;
 108                 nvals[0].bv_len = frontendDB->be_schemandn.bv_len -
 109                         (nvals[0].bv_val - frontendDB->be_schemandn.bv_val);
 110
 111                 if ( attr_merge_one( e, desc, vals, nvals ) ) {
 112                         /* Out of memory, do something about it */
 113                         entry_free( e );
 114                         *text = "out of memory";
 115                         return LDAP_OTHER;
 116                 }
 117         }
 118
 119         {
 120                 char            timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 121
 122                 /*
 123                  * According to RFC 4512:
 124
 125    Servers SHOULD maintain the 'creatorsName', 'createTimestamp',
 126    'modifiersName', and 'modifyTimestamp' attributes for all entries of
 127    the DIT.
 128
 129                  * to be conservative, we declare schema created
 130                  * AND modified at server startup time ...
 131                  */
 132
 133                 vals[0].bv_val = timebuf;
 134                 vals[0].bv_len = sizeof( timebuf );
 135
 136                 slap_timestamp( &starttime, vals );
 137
 138                 if( attr_merge_one( e, ad_createTimestamp, vals, NULL ) ) {
 139                         /* Out of memory, do something about it */
 140                         entry_free( e );
 141                         *text = "out of memory";
 142                         return LDAP_OTHER;
 143                 }
 144                 if( attr_merge_one( e, ad_modifyTimestamp, vals, NULL ) ) {
 145                         /* Out of memory, do something about it */
 146                         entry_free( e );
 147                         *text = "out of memory";
 148                         return LDAP_OTHER;
 149                 }
 150         }
 151
 152         if ( syn_schema_info( e )
 153                 || mr_schema_info( e )
 154                 || mru_schema_info( e )
 155                 || at_schema_info( e )
 156                 || oc_schema_info( e )
 157                 || cr_schema_info( e ) )
 158         {
 159                 /* Out of memory, do something about it */
 160                 entry_free( e );
 161                 *text = "out of memory";
 162                 return LDAP_OTHER;
 163         }
 164
 165         *entry = e;
 166         return LDAP_SUCCESS;
 167 }