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(( "backend", LDAP_LEVEL_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(( "backend", LDAP_LEVEL_DETAIL1,
  92                         "bdb_group: target is group (%s)\n", gr_ndn->bv_val ));
  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(( "backend", LDAP_LEVEL_DETAIL1,
 116                                 "bdb_group: cannot find group (%s)\n",
 117                                 gr_ndn->bv_val ));
 118 #else
 119                         Debug( LDAP_DEBUG_ACL,
 120                                 "=> bdb_group: cannot find group: \"%s\"\n",
 121                                         gr_ndn->bv_val, 0, 0 );
 122 #endif
 123                         if ( txn == NULL ) {
 124                                 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
 125                         }
 126                         return( 1 );
 127                 }
 128 #ifdef NEW_LOGGING
 129                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 130                         "bdb_group: found group (%s)\n", gr_ndn->bv_val ));
 131 #else
 132                 Debug( LDAP_DEBUG_ACL,
 133                         "=> bdb_group: found group: \"%s\"\n",
 134                         gr_ndn->bv_val, 0, 0 );
 135 #endif
 136         }
 137
 138         /* find it's objectClass and member attribute values
 139          * make sure this is a group entry
 140          * finally test if we can find op_dn in the member attribute value list
 141          */
 142         rc = 1;
 143
 144 #ifdef BDB_ALIASES
 145         if( is_entry_alias( e ) ) {
 146 #ifdef NEW_LOGGING
 147                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 148                         "bdb_group: group (%s) is an alias\n", gr_ndn->bv_val ));
 149 #else
 150                 Debug( LDAP_DEBUG_ACL,
 151                         "<= bdb_group: group is an alias\n", 0, 0, 0 );
 152 #endif
 153                 goto return_results;
 154         }
 155 #endif
 156
 157         if( is_entry_referral( e ) ) {
 158 #ifdef NEW_LOGGING
 159                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 160                         "bdb_group: group (%s) is a referral.\n", gr_ndn->bv_val ));
 161 #else
 162                 Debug( LDAP_DEBUG_ACL,
 163                         "<= bdb_group: group is a referral\n", 0, 0, 0 );
 164 #endif
 165                 goto return_results;
 166         }
 167
 168         if( !is_entry_objectclass( e, group_oc, 0 ) ) {
 169 #ifdef NEW_LOGGING
 170                 LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
 171                         "bdb_group: failed to find %s in objectClass.\n",
 172                         group_oc_name ));
 173 #else
 174                 Debug( LDAP_DEBUG_ACL,
 175                         "<= bdb_group: failed to find %s in objectClass\n",
 176                                 group_oc_name, 0, 0 );
 177 #endif
 178                 goto return_results;
 179         }
 180
 181         if ((attr = attr_find(e->e_attrs, group_at)) == NULL) {
 182 #ifdef NEW_LOGGING
 183                 LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
 184                         "bdb_group: failed to find %s\n", group_at_name ));
 185 #else
 186                 Debug( LDAP_DEBUG_ACL,
 187                         "<= bdb_group: failed to find %s\n",
 188                         group_at_name, 0, 0 );
 189 #endif
 190                 goto return_results;
 191         }
 192
 193 #ifdef NEW_LOGGING
 194         LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
 195                 "bdb_group: found objectClass %s and %s\n",
 196                 group_oc_name, group_at_name ));
 197 #else
 198         Debug( LDAP_DEBUG_ACL,
 199                 "<= bdb_group: found objectClass %s and %s\n",
 200                 group_oc_name, group_at_name, 0 );
 201 #endif
 202
 203         if( value_find( group_at, attr->a_vals, op_ndn ) != LDAP_SUCCESS ) {
 204 #ifdef NEW_LOGGING
 205                 LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 206                         "bdb_group: \"%s\" not in \"%s\": %s\n",
 207                         op_ndn->bv_val, gr_ndn->bv_val, group_at_name ));
 208 #else
 209                 Debug( LDAP_DEBUG_ACL,
 210                         "<= bdb_group: \"%s\" not in \"%s\": %s\n",
 211                         op_ndn->bv_val, gr_ndn->bv_val, group_at_name );
 212 #endif
 213                 goto return_results;
 214         }
 215
 216 #ifdef NEW_LOGGING
 217         LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
 218                 "bdb_group: %s is in %s: %s\n",
 219                 op_ndn->bv_val, gr_ndn->bv_val, group_at_name ));
 220 #else
 221         Debug( LDAP_DEBUG_ACL,
 222                 "<= bdb_group: \"%s\" is in \"%s\": %s\n",
 223                 op_ndn->bv_val, gr_ndn->bv_val, group_at_name );
 224 #endif
 225
 226         rc = 0;
 227
 228 return_results:
 229         if( target != e ) {
 230                 /* free entry */
 231                 bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
 232         }
 233
 234         if ( txn == NULL ) {
 235                 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
 236         }
 237
 238 #ifdef NEW_LOGGING
 239         LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
 240                 "bdb_group: rc=%d\n", rc ));
 241 #else
 242         Debug( LDAP_DEBUG_TRACE, "bdb_group: rc=%d\n", rc, 0, 0 );
 243 #endif
 244
 245         return(rc);
 246 }
 247