git.sur5r.net Git - openldap/blob - servers/slapd/back-bdb/group.c

   1 /* group.c - bdb backend acl group routine */
   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/socket.h>
  13 #include <ac/string.h>
  14
  15 #include "slap.h"
  16 #include "back-bdb.h"
  17 #include "proto-bdb.h"
  18
  19
  20 /* return 0 IFF op_dn is a value in member attribute
  21  * of entry with gr_dn AND that entry has an objectClass
  22  * value of groupOfNames
  23  */
  24 int
  25 bdb_group(
  26         Backend *be,
  27         Connection *conn,
  28         Operation *op,
  29         Entry   *target,
  30         struct berval   *gr_ndn,
  31         struct berval   *op_ndn,
  32         ObjectClass *group_oc,
  33         AttributeDescription *group_at
  34 )
  35 {
  36         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
  37         struct bdb_op_info *boi = NULL;
  38         DB_TXN *txn = NULL;
  39         Entry *e;
  40         int     rc = 1;
  41         Attribute *attr;
  42
  43         AttributeDescription *ad_objectClass = slap_schema.si_ad_objectClass;
  44         const char *group_oc_name = NULL;
  45         const char *group_at_name = group_at->ad_cname.bv_val;
  46
  47         u_int32_t       locker;
  48         DB_LOCK         lock;
  49
  50         if( group_oc->soc_names && group_oc->soc_names[0] ) {
  51                 group_oc_name = group_oc->soc_names[0];
  52         } else {
  53                 group_oc_name = group_oc->soc_oid;
  54         }
  55
  56 #ifdef NEW_LOGGING
  57         LDAP_LOG( BACK_BDB, ENTRY,
  58                 "bdb_group: check (%s) member of (%s), oc %s\n",
  59                 op_ndn->bv_val, gr_ndn->bv_val, group_oc_name );
  60 #else
  61         Debug( LDAP_DEBUG_ARGS,
  62                 "=> bdb_group: gr dn: \"%s\"\n",
  63                 gr_ndn->bv_val, 0, 0 );
  64
  65         Debug( LDAP_DEBUG_ARGS,
  66                 "=> bdb_group: op dn: \"%s\"\n",
  67                 op_ndn->bv_val, 0, 0 );
  68         Debug( LDAP_DEBUG_ARGS,
  69                 "=> bdb_group: oc: \"%s\" at: \"%s\"\n",
  70                 group_oc_name, group_at_name, 0 );
  71
  72         Debug( LDAP_DEBUG_ARGS,
  73                 "=> bdb_group: tr dn: \"%s\"\n",
  74                 target->e_ndn, 0, 0 );
  75 #endif
  76
  77         if( op ) boi = (struct bdb_op_info *) op->o_private;
  78         if( boi != NULL && be == boi->boi_bdb ) {
  79                 txn = boi->boi_txn;
  80         }
  81
  82         if ( txn )
  83                 locker = TXN_ID( txn );
  84         else
  85                 LOCK_ID ( bdb->bi_dbenv, &locker );
  86
  87         if (dn_match(&target->e_name, gr_ndn)) {
  88                 /* we already have a LOCKED copy of the entry */
  89                 e = target;
  90 #ifdef NEW_LOGGING
  91                 LDAP_LOG( BACK_BDB, DETAIL1,
  92                         "bdb_group: target is group (%s)\n", gr_ndn->bv_val, 0, 0 );
  93 #else
  94                 Debug( LDAP_DEBUG_ARGS,
  95                         "=> bdb_group: target is group: \"%s\"\n",
  96                         gr_ndn->bv_val, 0, 0 );
  97 #endif
  98         } else {
  99 dn2entry_retry:
 100                 /* can we find group entry */
 101                 rc = bdb_dn2entry_r( be, NULL, gr_ndn, &e, NULL, 0, locker, &lock );
 102                 if( rc ) {
 103                         if ( rc == DB_LOCK_DEADLOCK || rc == DB_LOCK_NOTGRANTED )
 104                                 goto dn2entry_retry;
 105                         if( txn ) {
 106                                 boi->boi_err = rc;
 107                         }
 108                         else {
 109                                 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
 110                         }
 111                         return( 1 );
 112                 }
 113                 if (e == NULL) {
 114 #ifdef NEW_LOGGING
 115                         LDAP_LOG( BACK_BDB, DETAIL1,
 116                                 "bdb_group: cannot find group (%s)\n", gr_ndn->bv_val, 0, 0 );
 117 #else
 118                         Debug( LDAP_DEBUG_ACL,
 119                                 "=> bdb_group: cannot find group: \"%s\"\n",
 120                                         gr_ndn->bv_val, 0, 0 );
 121 #endif
 122                         if ( txn == NULL ) {
 123                                 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
 124                         }
 125                         return( 1 );
 126                 }
 127 #ifdef NEW_LOGGING
 128                 LDAP_LOG( BACK_BDB, DETAIL1,
 129                         "bdb_group: found group (%s)\n", gr_ndn->bv_val, 0, 0 );
 130 #else
 131                 Debug( LDAP_DEBUG_ACL,
 132                         "=> bdb_group: found group: \"%s\"\n",
 133                         gr_ndn->bv_val, 0, 0 );
 134 #endif
 135         }
 136
 137         /* find it's objectClass and member attribute values
 138          * make sure this is a group entry
 139          * finally test if we can find op_dn in the member attribute value list
 140          */
 141         rc = 1;
 142
 143 #ifdef BDB_ALIASES
 144         if( is_entry_alias( e ) ) {
 145 #ifdef NEW_LOGGING
 146                 LDAP_LOG( BACK_BDB, INFO,
 147                         "bdb_group: group (%s) is an alias\n", gr_ndn->bv_val, 0, 0);
 148 #else
 149                 Debug( LDAP_DEBUG_ACL,
 150                         "<= bdb_group: group is an alias\n", 0, 0, 0 );
 151 #endif
 152                 goto return_results;
 153         }
 154 #endif
 155
 156         if( is_entry_referral( e ) ) {
 157 #ifdef NEW_LOGGING
 158                 LDAP_LOG( BACK_BDB, INFO,
 159                         "bdb_group: group (%s) is a referral.\n", gr_ndn->bv_val, 0, 0 );
 160 #else
 161                 Debug( LDAP_DEBUG_ACL,
 162                         "<= bdb_group: group is a referral\n", 0, 0, 0 );
 163 #endif
 164                 goto return_results;
 165         }
 166
 167         if( !is_entry_objectclass( e, group_oc, 0 ) ) {
 168 #ifdef NEW_LOGGING
 169                 LDAP_LOG( BACK_BDB, ERR,
 170                         "bdb_group: failed to find %s in objectClass.\n",
 171                         group_oc_name, 0, 0 );
 172 #else
 173                 Debug( LDAP_DEBUG_ACL,
 174                         "<= bdb_group: failed to find %s in objectClass\n",
 175                                 group_oc_name, 0, 0 );
 176 #endif
 177                 goto return_results;
 178         }
 179
 180         if ((attr = attr_find(e->e_attrs, group_at)) == NULL) {
 181 #ifdef NEW_LOGGING
 182                 LDAP_LOG( BACK_BDB, INFO,
 183                         "bdb_group: failed to find %s\n", group_at_name, 0, 0 );
 184 #else
 185                 Debug( LDAP_DEBUG_ACL,
 186                         "<= bdb_group: failed to find %s\n",
 187                         group_at_name, 0, 0 );
 188 #endif
 189                 goto return_results;
 190         }
 191
 192 #ifdef NEW_LOGGING
 193         LDAP_LOG( BACK_BDB, ENTRY,
 194                 "bdb_group: found objectClass %s and %s\n",
 195                 group_oc_name, group_at_name, 0 );
 196 #else
 197         Debug( LDAP_DEBUG_ACL,
 198                 "<= bdb_group: found objectClass %s and %s\n",
 199                 group_oc_name, group_at_name, 0 );
 200 #endif
 201
 202         if( value_find( group_at, attr->a_vals, op_ndn ) != LDAP_SUCCESS ) {
 203 #ifdef NEW_LOGGING
 204                 LDAP_LOG( BACK_BDB, DETAIL1,
 205                         "bdb_group: \"%s\" not in \"%s\": %s\n",
 206                         op_ndn->bv_val, gr_ndn->bv_val, group_at_name );
 207 #else
 208                 Debug( LDAP_DEBUG_ACL,
 209                         "<= bdb_group: \"%s\" not in \"%s\": %s\n",
 210                         op_ndn->bv_val, gr_ndn->bv_val, group_at_name );
 211 #endif
 212                 goto return_results;
 213         }
 214
 215 #ifdef NEW_LOGGING
 216         LDAP_LOG( BACK_BDB, DETAIL1, "bdb_group: %s is in %s: %s\n",
 217                 op_ndn->bv_val, gr_ndn->bv_val, group_at_name );
 218 #else
 219         Debug( LDAP_DEBUG_ACL,
 220                 "<= bdb_group: \"%s\" is in \"%s\": %s\n",
 221                 op_ndn->bv_val, gr_ndn->bv_val, group_at_name );
 222 #endif
 223
 224         rc = 0;
 225
 226 return_results:
 227         if( target != e ) {
 228                 /* free entry */
 229                 bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
 230         }
 231
 232         if ( txn == NULL ) {
 233                 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
 234         }
 235
 236 #ifdef NEW_LOGGING
 237         LDAP_LOG( BACK_BDB, ENTRY, "bdb_group: rc=%d\n", rc, 0, 0 );
 238 #else
 239         Debug( LDAP_DEBUG_TRACE, "bdb_group: rc=%d\n", rc, 0, 0 );
 240 #endif
 241
 242         return(rc);
 243 }
 244