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