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

   1 /* schema.c - routines to manage schema definitions */
   2 /* $OpenLDAP$ */
   3 /*
   4  * Copyright 1998-2003 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 #ifdef SLAP_NVALUES
  36         struct berval   nvals[5];
  37 #endif
  38
  39         e = (Entry *) SLAP_CALLOC( 1, sizeof(Entry) );
  40         if( e == NULL ) {
  41                 /* Out of memory, do something about it */
  42 #ifdef NEW_LOGGING
  43                 LDAP_LOG( OPERATION, ERR,
  44                         "schema_info: SLAP_CALLOC failed - out of memory.\n", 0, 0,0 );
  45 #else
  46                 Debug( LDAP_DEBUG_ANY,
  47                         "schema_info: SLAP_CALLOC failed - out of memory.\n", 0, 0, 0 );
  48 #endif
  49                 *text = "out of memory";
  50                 return LDAP_OTHER;
  51         }
  52
  53         e->e_attrs = NULL;
  54         /* backend-specific schema info should be created by the
  55          * backend itself
  56          */
  57         ber_dupbv( &e->e_name, &global_schemadn );
  58         ber_dupbv( &e->e_nname, &global_schemandn );
  59         e->e_private = NULL;
  60
  61         vals[0].bv_val = "subentry";
  62         vals[0].bv_len = sizeof("subentry")-1;
  63 #ifdef SLAP_NVALUES
  64         if( attr_merge_one( e, ad_structuralObjectClass, vals, vals ) )
  65 #else
  66         if( attr_merge_one( e, ad_structuralObjectClass, vals ) )
  67 #endif
  68         {
  69                 /* Out of memory, do something about it */
  70                 entry_free( e );
  71                 *text = "out of memory";
  72                 return LDAP_OTHER;
  73         }
  74
  75         vals[0].bv_val = "top";
  76         vals[0].bv_len = sizeof("top")-1;
  77         vals[1].bv_val = "subentry";
  78         vals[1].bv_len = sizeof("subentry")-1;
  79         vals[2].bv_val = "subschema";
  80         vals[2].bv_len = sizeof("subschema")-1;
  81         vals[3].bv_val = "extensibleObject";
  82         vals[3].bv_len = sizeof("extensibleObject")-1;
  83         vals[4].bv_val = NULL;
  84 #ifdef SLAP_NVALUES
  85         if( attr_merge( e, ad_objectClass, vals, vals ) )
  86 #else
  87         if( attr_merge( e, ad_objectClass, vals ) )
  88 #endif
  89         {
  90                 /* Out of memory, do something about it */
  91                 entry_free( e );
  92                 *text = "out of memory";
  93                 return LDAP_OTHER;
  94         }
  95
  96         {
  97                 int rc;
  98                 AttributeDescription *desc = NULL;
  99                 struct berval rdn = global_schemadn;
 100                 vals[0].bv_val = strchr( rdn.bv_val, '=' );
 101
 102                 if( vals[0].bv_val == NULL ) {
 103                         *text = "improperly configured subschema subentry";
 104                         return LDAP_OTHER;
 105                 }
 106
 107                 vals[0].bv_val++;
 108                 vals[0].bv_len = rdn.bv_len - (vals[0].bv_val - rdn.bv_val);
 109                 rdn.bv_len -= vals[0].bv_len + 1;
 110
 111                 rc = slap_bv2ad( &rdn, &desc, text );
 112
 113                 if( rc != LDAP_SUCCESS ) {
 114                         entry_free( e );
 115                         *text = "improperly configured subschema subentry";
 116                         return LDAP_OTHER;
 117                 }
 118
 119 #ifdef SLAP_NVALUES
 120                 nvals[0].bv_val = strchr( global_schemandn.bv_val, '=' );
 121                 assert( nvals[0].bv_val );
 122                 nvals[0].bv_val++;
 123                 nvals[0].bv_len = global_schemandn.bv_len -
 124                         (nvals[0].bv_val - global_schemandn.bv_val);
 125
 126                 if( attr_merge_one( e, desc, vals, nvals ) )
 127 #else
 128                 if( attr_merge_one( e, desc, vals ) )
 129 #endif
 130                 {
 131                         /* Out of memory, do something about it */
 132                         entry_free( e );
 133                         *text = "out of memory";
 134                         return LDAP_OTHER;
 135                 }
 136         }
 137
 138         {
 139                 struct          tm *ltm;
 140                 char            timebuf[ LDAP_LUTIL_GENTIME_BUFSIZE ];
 141
 142                 /*
 143                  * According to RFC 2251:
 144
 145    Servers SHOULD provide the attributes createTimestamp and
 146    modifyTimestamp in subschema entries, in order to allow clients to
 147    maintain their caches of schema information.
 148
 149                  * to be conservative, we declare schema created
 150                  * AND modified at server startup time ...
 151                  */
 152
 153                 ldap_pvt_thread_mutex_lock( &gmtime_mutex );
 154                 ltm = gmtime( &starttime );
 155                 lutil_gentime( timebuf, sizeof(timebuf), ltm );
 156                 ldap_pvt_thread_mutex_unlock( &gmtime_mutex );
 157
 158                 vals[0].bv_val = timebuf;
 159                 vals[0].bv_len = strlen( timebuf );
 160
 161 #ifdef SLAP_NVALUES
 162                 if( attr_merge_one( e, ad_createTimestamp, vals, vals ) )
 163 #else
 164                 if( attr_merge_one( e, ad_createTimestamp, vals ) )
 165 #endif
 166                 {
 167                         /* Out of memory, do something about it */
 168                         entry_free( e );
 169                         *text = "out of memory";
 170                         return LDAP_OTHER;
 171                 }
 172 #ifdef SLAP_NVALUES
 173                 if( attr_merge_one( e, ad_modifyTimestamp, vals, vals ) )
 174 #else
 175                 if( attr_merge_one( e, ad_modifyTimestamp, vals ) )
 176 #endif
 177                 {
 178                         /* Out of memory, do something about it */
 179                         entry_free( e );
 180                         *text = "out of memory";
 181                         return LDAP_OTHER;
 182                 }
 183         }
 184
 185         if ( syn_schema_info( e )
 186                 || mr_schema_info( e )
 187                 || mru_schema_info( e )
 188                 || at_schema_info( e )
 189                 || oc_schema_info( e )
 190                 || cr_schema_info( e ) )
 191         {
 192                 /* Out of memory, do something about it */
 193                 entry_free( e );
 194                 *text = "out of memory";
 195                 return LDAP_OTHER;
 196         }
 197
 198         *entry = e;
 199         return LDAP_SUCCESS;
 200 }