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