git.sur5r.net Git - openldap/blob - servers/slapd/back-bdb2/add.c

   1 /* add.c - ldap bdb2 back-end add routine */
   2
   3 #include "portable.h"
   4
   5 #include <stdio.h>
   6
   7 #include <ac/socket.h>
   8 #include <ac/string.h>
   9
  10 #include "slap.h"
  11 #include "back-bdb2.h"
  12 #include "proto-back-bdb2.h"
  13
  14 static int
  15 bdb2i_back_add_internal(
  16     BackendDB   *be,
  17     Connection  *conn,
  18     Operation   *op,
  19     Entry       *e
  20 )
  21 {
  22         struct ldbminfo *li = (struct ldbminfo *) be->be_private;
  23         char            *pdn;
  24         Entry           *p = NULL;
  25         int                     rc;
  26         struct timeval  time1;
  27
  28         Debug(LDAP_DEBUG_ARGS, "==> bdb2i_back_add: %s\n", e->e_dn, 0, 0);
  29
  30         if ( ( bdb2i_dn2id( be, e->e_ndn ) ) != NOID ) {
  31                 entry_free( e );
  32                 send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, "", "" );
  33                 return( -1 );
  34         }
  35
  36         if ( global_schemacheck && oc_schema_check( e ) != 0 ) {
  37                 Debug( LDAP_DEBUG_TRACE, "entry failed schema check\n",
  38                         0, 0, 0 );
  39
  40                 entry_free( e );
  41                 send_ldap_result( conn, op, LDAP_OBJECT_CLASS_VIOLATION, "",
  42                     "" );
  43                 return( -1 );
  44         }
  45
  46         /*
  47          * Get the parent dn and see if the corresponding entry exists.
  48          * If the parent does not exist, only allow the "root" user to
  49          * add the entry.
  50          */
  51
  52         if ( (pdn = dn_parent( be, e->e_ndn )) != NULL ) {
  53                 char *matched = NULL;
  54
  55                 /* get parent with writer lock */
  56                 if ( (p = bdb2i_dn2entry_w( be, pdn, &matched )) == NULL ) {
  57                         Debug( LDAP_DEBUG_TRACE, "parent does not exist\n", 0,
  58                             0, 0 );
  59                         send_ldap_result( conn, op, LDAP_NO_SUCH_OBJECT,
  60                             matched, "" );
  61
  62                         if ( matched != NULL ) {
  63                                 free( matched );
  64                         }
  65
  66                         entry_free( e );
  67                         free( pdn );
  68                         return -1;
  69                 }
  70
  71                 free(pdn);
  72
  73                 if ( matched != NULL ) {
  74                         free( matched );
  75                 }
  76
  77                 if ( ! access_allowed( be, conn, op, p,
  78                         "children", NULL, ACL_WRITE ) )
  79                 {
  80                         Debug( LDAP_DEBUG_TRACE, "no access to parent\n", 0,
  81                             0, 0 );
  82                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
  83                             "", "" );
  84
  85                         /* free parent and writer lock */
  86                         bdb2i_cache_return_entry_w( &li->li_cache, p );
  87
  88                         entry_free( e );
  89                         return -1;
  90                 }
  91
  92         } else {
  93                 /* no parent, must be adding entry to root */
  94                 if ( ! be_isroot( be, op->o_ndn ) ) {
  95                         Debug( LDAP_DEBUG_TRACE, "no parent & not root\n", 0,
  96                             0, 0 );
  97                         send_ldap_result( conn, op, LDAP_INSUFFICIENT_ACCESS,
  98                             "", "" );
  99
 100                         entry_free( e );
 101                         return -1;
 102                 }
 103         }
 104
 105         e->e_id = bdb2i_next_id( be );
 106
 107         /*
 108          * Try to add the entry to the cache, assign it a new dnid.
 109          */
 110         bdb2i_start_timing( be->bd_info, &time1 );
 111
 112         rc = bdb2i_cache_add_entry_rw( &li->li_cache, e, CACHE_WRITE_LOCK );
 113
 114         bdb2i_stop_timing( be->bd_info, time1, "ADD-CACHE", conn, op );
 115
 116         if ( rc != 0 ) {
 117                 if( p != NULL) {
 118                         /* free parent and writer lock */
 119                         bdb2i_cache_return_entry_w( &li->li_cache, p );
 120                 }
 121
 122                 Debug( LDAP_DEBUG_ANY, "cache_add_entry_lock failed\n", 0, 0,
 123                     0 );
 124
 125                 /* return the id */
 126                 bdb2i_next_id_return( be, e->e_id );
 127
 128                 /* free the entry */
 129                 entry_free( e );
 130
 131                 if(rc > 0) {
 132                         send_ldap_result( conn, op, LDAP_ALREADY_EXISTS, "", "" );
 133                 } else {
 134                         send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
 135                 }
 136
 137                 return( -1 );
 138         }
 139
 140         rc = -1;
 141
 142         /*
 143          * add it to the id2children index for the parent
 144          */
 145
 146         bdb2i_start_timing( be->bd_info, &time1 );
 147
 148         if ( bdb2i_id2children_add( be, p, e ) != 0 ) {
 149                 Debug( LDAP_DEBUG_TRACE, "bdb2i_id2children_add failed\n", 0,
 150                     0, 0 );
 151                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
 152
 153                 bdb2i_stop_timing( be->bd_info, time1, "ADD-ID2CHILDREN", conn, op );
 154
 155                 goto return_results;
 156         }
 157
 158         bdb2i_stop_timing( be->bd_info, time1, "ADD-ID2CHILDREN", conn, op );
 159
 160         /*
 161          * Add the entry to the attribute indexes, then add it to
 162          * the id2children index, dn2id index, and the id2entry index.
 163          */
 164
 165         bdb2i_start_timing( be->bd_info, &time1 );
 166
 167         /* attribute indexes */
 168         if ( bdb2i_index_add_entry( be, e ) != 0 ) {
 169                 Debug( LDAP_DEBUG_TRACE, "bdb2i_index_add_entry failed\n", 0,
 170                     0, 0 );
 171                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
 172
 173                 bdb2i_stop_timing( be->bd_info, time1, "ADD-INDEX", conn, op );
 174
 175                 goto return_results;
 176         }
 177
 178         bdb2i_stop_timing( be->bd_info, time1, "ADD-INDEX", conn, op );
 179
 180         bdb2i_start_timing( be->bd_info, &time1 );
 181
 182         /* dn2id index */
 183         if ( bdb2i_dn2id_add( be, e->e_ndn, e->e_id ) != 0 ) {
 184                 Debug( LDAP_DEBUG_TRACE, "bdb2i_dn2id_add failed\n", 0,
 185                     0, 0 );
 186                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
 187
 188                 bdb2i_stop_timing( be->bd_info, time1, "ADD-DN2ID", conn, op );
 189
 190                 goto return_results;
 191         }
 192
 193         bdb2i_stop_timing( be->bd_info, time1, "ADD-DN2ID", conn, op );
 194
 195         bdb2i_start_timing( be->bd_info, &time1 );
 196
 197         /* id2entry index */
 198         if ( bdb2i_id2entry_add( be, e ) != 0 ) {
 199                 Debug( LDAP_DEBUG_TRACE, "bdb2i_id2entry_add failed\n", 0,
 200                     0, 0 );
 201                 (void) bdb2i_dn2id_delete( be, e->e_ndn );
 202                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
 203
 204                 bdb2i_stop_timing( be->bd_info, time1, "ADD-ID2ENTRY", conn, op );
 205
 206                 goto return_results;
 207         }
 208
 209         bdb2i_stop_timing( be->bd_info, time1, "ADD-ID2ENTRY", conn, op );
 210
 211         send_ldap_result( conn, op, LDAP_SUCCESS, "", "" );
 212         rc = 0;
 213
 214 return_results:;
 215         if (p != NULL) {
 216                 /* free parent and writer lock */
 217                 bdb2i_cache_return_entry_w( &li->li_cache, p );
 218         }
 219
 220         /* free entry and writer lock */
 221         bdb2i_cache_return_entry_w( &li->li_cache, e );
 222
 223         return( rc );
 224 }
 225
 226
 227 int
 228 bdb2_back_add(
 229     BackendDB   *be,
 230     Connection  *conn,
 231     Operation   *op,
 232     Entry       *e
 233 )
 234 {
 235         DB_LOCK         lock;
 236         struct ldbminfo *li  = (struct ldbminfo *) be->be_private;
 237         struct timeval  time1, time2;
 238         int             ret;
 239
 240         bdb2i_start_timing( be->bd_info, &time1 );
 241
 242         if ( bdb2i_enter_backend_w( &lock ) != 0 ) {
 243
 244                 send_ldap_result( conn, op, LDAP_OPERATIONS_ERROR, "", "" );
 245                 return( -1 );
 246
 247         }
 248
 249         bdb2i_start_timing( be->bd_info, &time2 );
 250
 251         /*  check, if a new default attribute index will be created,
 252                 in which case we have to open the index file BEFORE TP  */
 253         switch ( slapMode ) {
 254                 case SLAP_SERVER_MODE:
 255                 case SLAP_TIMEDSERVER_MODE:
 256                 case SLAP_TOOL_MODE:
 257                 case SLAP_TOOLID_MODE:
 258                         bdb2i_check_default_attr_index_add( li, e );
 259                         break;
 260         }
 261
 262         ret = bdb2i_back_add_internal( be, conn, op, e );
 263         bdb2i_stop_timing( be->bd_info, time2, "ADD-INTERN", conn, op );
 264         (void) bdb2i_leave_backend_w( lock );
 265         bdb2i_stop_timing( be->bd_info, time1, "ADD", conn, op );
 266
 267         return( ret );
 268 }
 269
 270