git.sur5r.net Git - openldap/blob - servers/slapd/schema.c

   1 /* schema.c - routines to manage schema definitions */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
   5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
   6  */
   7
   8 #include "portable.h"
   9
  10 #include <stdio.h>
  11
  12 #include <ac/ctype.h>
  13 #include <ac/string.h>
  14 #include <ac/socket.h>
  15
  16 #include "slap.h"
  17 #include "ldap_pvt.h"
  18 #include "lutil.h"
  19
  20
  21 #if defined( SLAPD_SCHEMA_DN )
  22
  23 int
  24 schema_info( Entry **entry, const char **text )
  25 {
  26         AttributeDescription *ad_structuralObjectClass
  27                 = slap_schema.si_ad_structuralObjectClass;
  28         AttributeDescription *ad_objectClass
  29                 = slap_schema.si_ad_objectClass;
  30         AttributeDescription *ad_createTimestamp
  31                 = slap_schema.si_ad_createTimestamp;
  32         AttributeDescription *ad_modifyTimestamp
  33                 = slap_schema.si_ad_modifyTimestamp;
  34
  35         Entry           *e;
  36         struct berval   vals[5];
  37
  38         e = (Entry *) ch_calloc( 1, sizeof(Entry) );
  39
  40         e->e_attrs = NULL;
  41         /* backend-specific schema info should be created by the
  42          * backend itself
  43          */
  44         ber_dupbv( &e->e_name, &global_schemadn );
  45         ber_dupbv( &e->e_nname, &global_schemandn );
  46         e->e_private = NULL;
  47
  48         vals[0].bv_val = "subentry";
  49         vals[0].bv_len = sizeof("subentry")-1;
  50         attr_merge_one( e, ad_structuralObjectClass, vals );
  51
  52         vals[0].bv_val = "top";
  53         vals[0].bv_len = sizeof("top")-1;
  54         vals[1].bv_val = "subentry";
  55         vals[1].bv_len = sizeof("subentry")-1;
  56         vals[2].bv_val = "subschema";
  57         vals[2].bv_len = sizeof("subschema")-1;
  58         vals[3].bv_val = "extensibleObject";
  59         vals[3].bv_len = sizeof("extensibleObject")-1;
  60         vals[4].bv_val = NULL;
  61         attr_merge( e, ad_objectClass, vals );
  62
  63         {
  64                 int rc;
  65                 AttributeDescription *desc = NULL;
  66                 struct berval rdn = global_schemadn;
  67                 vals[0].bv_val = strchr( rdn.bv_val, '=' );
  68
  69                 if( vals[0].bv_val == NULL ) {
  70                         *text = "improperly configured subschema subentry";
  71                         return LDAP_OTHER;
  72                 }
  73
  74                 vals[0].bv_val++;
  75                 vals[0].bv_len = rdn.bv_len - (vals[0].bv_val - rdn.bv_val);
  76                 rdn.bv_len -= vals[0].bv_len + 1;
  77
  78                 rc = slap_bv2ad( &rdn, &desc, text );
  79
  80                 if( rc != LDAP_SUCCESS ) {
  81                         entry_free( e );
  82                         *text = "improperly configured subschema subentry";
  83                         return LDAP_OTHER;
  84                 }
  85
  86                 attr_merge_one( e, desc, vals );
  87         }
  88
  89         {
  90                 struct          tm *ltm;
  91                 char            timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
  92
  93                 /*
  94                  * According to RFC 2251:
  95
  96    Servers SHOULD provide the attributes createTimestamp and
  97    modifyTimestamp in subschema entries, in order to allow clients to
  98    maintain their caches of schema information.
  99
 100                  * to be conservative, we declare schema created
 101                  * AND modified at server startup time ...
 102                  */
 103
 104                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 105                 ltm = gmtime( &starttime );
 106                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 107                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 108
 109                 vals[0].bv_val = timebuf;
 110                 vals[0].bv_len = strlen( timebuf );
 111
 112                 attr_merge_one( e, ad_createTimestamp, vals );
 113                 attr_merge_one( e, ad_modifyTimestamp, vals );
 114         }
 115
 116         if ( syn_schema_info( e )
 117                 || mr_schema_info( e )
 118                 || mru_schema_info( e )
 119                 || at_schema_info( e )
 120                 || oc_schema_info( e ) )
 121         {
 122                 /* Out of memory, do something about it */
 123                 entry_free( e );
 124                 *text = "out of memory";
 125                 return LDAP_OTHER;
 126         }
 127
 128         *entry = e;
 129         return LDAP_SUCCESS;
 130 }
 131 #endif