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         struct bdb_info *bdb = (struct bdb_info *) be->be_private;
  36         struct bdb_op_info *boi = NULL;
  37         DB_TXN *txn = NULL;
  38         Entry *e;
  39         int     rc = 1;
  40         Attribute *attr;
  41
  42         const char *group_oc_name = NULL;
  43         const char *group_at_name = group_at->ad_cname.bv_val;
  44
  45         u_int32_t       locker;
  46         DB_LOCK         lock;
  47
  48         if( group_oc->soc_names && group_oc->soc_names[0] ) {
  49                 group_oc_name = group_oc->soc_names[0];
  50         } else {
  51                 group_oc_name = group_oc->soc_oid;
  52         }
  53
  54 #ifdef NEW_LOGGING
  55         LDAP_LOG( BACK_BDB, ENTRY,
  56                 "bdb_group: check (%s) member of (%s), oc %s\n",
  57                 op_ndn->bv_val, gr_ndn->bv_val, group_oc_name );
  58 #else
  59         Debug( LDAP_DEBUG_ARGS,
  60                 "=> bdb_group: group ndn: \"%s\"\n",
  61                 gr_ndn->bv_val, 0, 0 );
  62
  63         Debug( LDAP_DEBUG_ARGS,
  64                 "=> bdb_group: op ndn: \"%s\"\n",
  65                 op_ndn->bv_val, 0, 0 );
  66
  67         Debug( LDAP_DEBUG_ARGS,
  68                 "=> bdb_group: oc: \"%s\" at: \"%s\"\n",
  69                 group_oc_name, group_at_name, 0 );
  70
  71         Debug( LDAP_DEBUG_ARGS,
  72                 "=> bdb_group: tr ndn: \"%s\"\n",
  73                 target->e_ndn, 0, 0 );
  74 #endif
  75
  76         if( op ) boi = (struct bdb_op_info *) op->o_private;
  77         if( boi != NULL && be == boi->boi_bdb ) {
  78                 txn = boi->boi_txn;
  79         }
  80
  81         if ( txn ) {
  82                 locker = TXN_ID( txn );
  83         } else {
  84                 rc = LOCK_ID ( bdb->bi_dbenv, &locker );
  85                 switch(rc) {
  86                 case 0:
  87                         break;
  88                 default:
  89                         return 1;
  90                 }
  91         }
  92
  93         if (dn_match(&target->e_name, gr_ndn)) {
  94                 /* we already have a LOCKED copy of the entry */
  95                 e = target;
  96 #ifdef NEW_LOGGING
  97                 LDAP_LOG( BACK_BDB, DETAIL1,
  98                         "bdb_group: target is group (%s)\n", gr_ndn->bv_val, 0, 0 );
  99 #else
 100                 Debug( LDAP_DEBUG_ARGS,
 101                         "=> bdb_group: target is group: \"%s\"\n",
 102                         gr_ndn->bv_val, 0, 0 );
 103 #endif
 104         } else {
 105 dn2entry_retry:
 106                 /* can we find group entry */
 107                 rc = bdb_dn2entry_r( be, NULL, gr_ndn, &e, NULL, 0, locker, &lock );
 108                 if( rc ) {
 109                         if ( rc == DB_LOCK_DEADLOCK || rc == DB_LOCK_NOTGRANTED )
 110                                 goto dn2entry_retry;
 111                         if( txn ) {
 112                                 boi->boi_err = rc;
 113                         }
 114                         else {
 115                                 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
 116                         }
 117                         return( 1 );
 118                 }
 119                 if (e == NULL) {
 120 #ifdef NEW_LOGGING
 121                         LDAP_LOG( BACK_BDB, DETAIL1,
 122                                 "bdb_group: cannot find group (%s)\n", gr_ndn->bv_val, 0, 0 );
 123 #else
 124                         Debug( LDAP_DEBUG_ACL,
 125                                 "=> bdb_group: cannot find group: \"%s\"\n",
 126                                         gr_ndn->bv_val, 0, 0 );
 127 #endif
 128                         if ( txn == NULL ) {
 129                                 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
 130                         }
 131                         return( 1 );
 132                 }
 133 #ifdef NEW_LOGGING
 134                 LDAP_LOG( BACK_BDB, DETAIL1,
 135                         "bdb_group: found group (%s)\n", gr_ndn->bv_val, 0, 0 );
 136 #else
 137                 Debug( LDAP_DEBUG_ACL,
 138                         "=> bdb_group: found group: \"%s\"\n",
 139                         gr_ndn->bv_val, 0, 0 );
 140 #endif
 141         }
 142
 143         /* find it's objectClass and member attribute values
 144          * make sure this is a group entry
 145          * finally test if we can find op_dn in the member attribute value list
 146          */
 147         rc = 1;
 148
 149 #ifdef BDB_ALIASES
 150         if( is_entry_alias( e ) ) {
 151 #ifdef NEW_LOGGING
 152                 LDAP_LOG( BACK_BDB, INFO,
 153                         "bdb_group: group (%s) is an alias\n", gr_ndn->bv_val, 0, 0);
 154 #else
 155                 Debug( LDAP_DEBUG_ACL,
 156                         "<= bdb_group: group is an alias\n", 0, 0, 0 );
 157 #endif
 158                 goto return_results;
 159         }
 160 #endif
 161
 162         if( is_entry_referral( e ) ) {
 163 #ifdef NEW_LOGGING
 164                 LDAP_LOG( BACK_BDB, INFO,
 165                         "bdb_group: group (%s) is a referral.\n", gr_ndn->bv_val, 0, 0 );
 166 #else
 167                 Debug( LDAP_DEBUG_ACL,
 168                         "<= bdb_group: group is a referral\n", 0, 0, 0 );
 169 #endif
 170                 goto return_results;
 171         }
 172
 173         if( !is_entry_objectclass( e, group_oc, 0 ) ) {
 174 #ifdef NEW_LOGGING
 175                 LDAP_LOG( BACK_BDB, ERR,
 176                         "bdb_group: failed to find %s in objectClass.\n",
 177                         group_oc_name, 0, 0 );
 178 #else
 179                 Debug( LDAP_DEBUG_ACL,
 180                         "<= bdb_group: failed to find %s in objectClass\n",
 181                                 group_oc_name, 0, 0 );
 182 #endif
 183                 goto return_results;
 184         }
 185
 186         if ((attr = attr_find(e->e_attrs, group_at)) == NULL) {
 187 #ifdef NEW_LOGGING
 188                 LDAP_LOG( BACK_BDB, INFO,
 189                         "bdb_group: failed to find %s\n", group_at_name, 0, 0 );
 190 #else
 191                 Debug( LDAP_DEBUG_ACL,
 192                         "<= bdb_group: failed to find %s\n",
 193                         group_at_name, 0, 0 );
 194 #endif
 195                 goto return_results;
 196         }
 197
 198 #ifdef NEW_LOGGING
 199         LDAP_LOG( BACK_BDB, ENTRY,
 200                 "bdb_group: found objectClass %s and %s\n",
 201                 group_oc_name, group_at_name, 0 );
 202 #else
 203         Debug( LDAP_DEBUG_ACL,
 204                 "<= bdb_group: found objectClass %s and %s\n",
 205                 group_oc_name, group_at_name, 0 );
 206 #endif
 207
 208         if( value_find_ex( group_at, SLAP_MR_VALUE_NORMALIZED_MATCH,
 209                 attr->a_vals, op_ndn ) != LDAP_SUCCESS ) {
 210 #ifdef NEW_LOGGING
 211                 LDAP_LOG( BACK_BDB, DETAIL1,
 212                         "bdb_group: \"%s\" not in \"%s\": %s\n",
 213                         op_ndn->bv_val, gr_ndn->bv_val, group_at_name );
 214 #else
 215                 Debug( LDAP_DEBUG_ACL,
 216                         "<= bdb_group: \"%s\" not in \"%s\": %s\n",
 217                         op_ndn->bv_val, gr_ndn->bv_val, group_at_name );
 218 #endif
 219                 goto return_results;
 220         }
 221
 222 #ifdef NEW_LOGGING
 223         LDAP_LOG( BACK_BDB, DETAIL1, "bdb_group: %s is in %s: %s\n",
 224                 op_ndn->bv_val, gr_ndn->bv_val, group_at_name );
 225 #else
 226         Debug( LDAP_DEBUG_ACL,
 227                 "<= bdb_group: \"%s\" is in \"%s\": %s\n",
 228                 op_ndn->bv_val, gr_ndn->bv_val, group_at_name );
 229 #endif
 230
 231         rc = 0;
 232
 233 return_results:
 234         if( target != e ) {
 235                 /* free entry */
 236                 bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
 237         }
 238
 239         if ( txn == NULL ) {
 240                 LOCK_ID_FREE ( bdb->bi_dbenv, locker );
 241         }
 242
 243 #ifdef NEW_LOGGING
 244         LDAP_LOG( BACK_BDB, ENTRY, "bdb_group: rc=%d\n", rc, 0, 0 );
 245 #else
 246         Debug( LDAP_DEBUG_TRACE, "bdb_group: rc=%d\n", rc, 0, 0 );
 247 #endif
 248
 249         return(rc);
 250 }
 251