]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/back-ldbm/modify.c
Fixes for NO_THREADS
[openldap] / servers / slapd / back-ldbm / modify.c
index 9bda7df81cd7cc2d6c9d63eec3c190b896cd7338..a34cc06e979d6ed07a4d41966dd468b2f294f327 100644 (file)
@@ -1,7 +1,7 @@
 /* modify.c - ldbm backend modify routine */
 /* $OpenLDAP$ */
 /*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 
 #include "back-ldbm.h"
 #include "proto-back-ldbm.h"
 
-static int add_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
-static int delete_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
-static int replace_values LDAP_P(( Entry *e, Modification *mod, char *dn ));
-
 /* We need this function because of LDAP modrdn. If we do not 
  * add this there would be a bunch of code replication here 
  * and there and of course the likelihood of bugs increases.
  * Juan C. Gomez (gomez@engr.sgi.com) 05/18/99
  */ 
-
 int ldbm_modify_internal(
     Backend    *be,
     Connection *conn,
@@ -34,19 +29,21 @@ int ldbm_modify_internal(
     const char *dn,
     Modifications      *modlist,
     Entry      *e,
-       const char **text 
+       const char **text,
+       char *textbuf,
+       size_t textlen
 )
 {
-       int rc, err;
+       int rc = LDAP_SUCCESS;
        Modification    *mod;
        Modifications   *ml;
        Attribute       *save_attrs;
+       Attribute       *ap;
 
 #ifdef NEW_LOGGING
-       LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
-                  "ldbm_modify_internal: %s\n", dn ));
+       LDAP_LOG( BACK_LDBM, ENTRY,  "ldbm_modify_internal: %s\n", dn, 0, 0 );
 #else
-       Debug(LDAP_DEBUG_TRACE, "ldbm_modify_internal:\n", 0, 0, 0);
+       Debug(LDAP_DEBUG_TRACE, "ldbm_modify_internal: %s\n", dn, 0, 0);
 #endif
 
 
@@ -63,76 +60,66 @@ int ldbm_modify_internal(
                switch ( mod->sm_op ) {
                case LDAP_MOD_ADD:
 #ifdef NEW_LOGGING
-                       LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
-                                  "ldbm_modify_internal: add\n" ));
+                       LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_modify_internal: add\n", 0, 0, 0);
 #else
                        Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: add\n", 0, 0, 0);
 #endif
 
-                       err = add_values( e, mod, op->o_ndn );
-
-                       if( err != LDAP_SUCCESS ) {
-                               *text = "modify: add values failed";
+                       rc = modify_add_values( e, mod, text, textbuf, textlen );
+                       if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-                               LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
-                                          "ldbm_modify_internal: failed %d (%s)\n",
-                                          err, *text ));
+                               LDAP_LOG( BACK_LDBM, INFO, 
+                                       "ldbm_modify_internal: failed %d (%s)\n", rc, *text, 0 );
 #else
                                Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
-                                       err, *text, 0);
+                                       rc, *text, 0);
 #endif
                        }
                        break;
 
                case LDAP_MOD_DELETE:
 #ifdef NEW_LOGGING
-                       LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
-                                  "ldbm_modify_internal: delete\n" ));
+                       LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_modify_internal: delete\n", 0,0,0);
 #else
                        Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: delete\n", 0, 0, 0);
 #endif
 
-                       err = delete_values( e, mod, op->o_ndn );
-                       assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
-                       if( err != LDAP_SUCCESS ) {
-                               *text = "modify: delete values failed";
+                       rc = modify_delete_values( e, mod, text, textbuf, textlen );
+                       assert( rc != LDAP_TYPE_OR_VALUE_EXISTS );
+                       if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-                               LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
-                                          "ldbm_modify_internal: failed %d (%s)\n", err, *text ));
+                               LDAP_LOG( BACK_LDBM, INFO, 
+                                       "ldbm_modify_internal: failed %d (%s)\n", rc, *text, 0 );
 #else
                                Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
-                                       err, *text, 0);
+                                       rc, *text, 0);
 #endif
                        }
                        break;
 
                case LDAP_MOD_REPLACE:
 #ifdef NEW_LOGGING
-                       LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
-                                  "ldbm_modify_internal:  replace\n" ));
+                       LDAP_LOG( BACK_LDBM, DETAIL1, "ldbm_modify_internal:  replace\n",0,0,0);
 #else
                        Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: replace\n", 0, 0, 0);
 #endif
 
-                       err = replace_values( e, mod, op->o_ndn );
-                       assert( err != LDAP_TYPE_OR_VALUE_EXISTS );
-                       if( err != LDAP_SUCCESS ) {
-                               *text = "modify: replace values failed";
+                       rc = modify_replace_values( e, mod, text, textbuf, textlen );
+                       if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-                               LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
-                                          "ldbm_modify_internal: failed %d (%s)\n", err, *text ));
+                               LDAP_LOG( BACK_LDBM, INFO, 
+                                       "ldbm_modify_internal: failed %d (%s)\n", rc, *text, 0 );
 #else
                                Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
-                                       err, *text, 0);
+                                       rc, *text, 0);
 #endif
-
                        }
                        break;
 
                case SLAP_MOD_SOFTADD:
 #ifdef NEW_LOGGING
-                       LDAP_LOG(( "backend", LDAP_LEVEL_DETAIL1,
-                                  "ldbm_modify_internal: softadd\n" ));
+                       LDAP_LOG( BACK_LDBM, DETAIL1, 
+                               "ldbm_modify_internal: softadd\n", 0, 0, 0 );
 #else
                        Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: softadd\n", 0, 0, 0);
 #endif
@@ -141,110 +128,149 @@ int ldbm_modify_internal(
                         * We need to add index if necessary.
                         */
                        mod->sm_op = LDAP_MOD_ADD;
-                       err = add_values( e, mod, op->o_ndn );
 
-                       if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
-                               err = LDAP_SUCCESS;
+                       rc = modify_add_values( e, mod, text, textbuf, textlen );
+                       if ( rc == LDAP_TYPE_OR_VALUE_EXISTS ) {
+                               rc = LDAP_SUCCESS;
                        }
 
-                       if( err != LDAP_SUCCESS ) {
-                               *text = "modify: (soft)add values failed";
+                       if( rc != LDAP_SUCCESS ) {
 #ifdef NEW_LOGGING
-                               LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
-                                          "ldbm_modify_internal: failed %d (%s)\n", err, *text ));
+                               LDAP_LOG( BACK_LDBM, INFO, 
+                                          "ldbm_modify_internal: failed %d (%s)\n", rc, *text, 0 );
 #else
                                Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
-                                       err, *text, 0);
+                                       rc, *text, 0);
 #endif
-
                        }
                        break;
 
                default:
 #ifdef NEW_LOGGING
-                       LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
-                                  "ldbm_modify_internal: invalid op %d\n", mod->sm_op ));
+                       LDAP_LOG( BACK_LDBM, ERR, 
+                               "ldbm_modify_internal: invalid op %d\n", mod->sm_op, 0, 0 );
 #else
                        Debug(LDAP_DEBUG_ANY, "ldbm_modify_internal: invalid op %d\n",
                                mod->sm_op, 0, 0);
 #endif
 
-                       err = LDAP_OTHER;
+                       rc = LDAP_OTHER;
                        *text = "Invalid modify operation";
 #ifdef NEW_LOGGING
-                       LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
-                                  "ldbm_modify_internal: %d (%s)\n", err, *text ));
+                       LDAP_LOG( BACK_LDBM, INFO, 
+                               "ldbm_modify_internal: %d (%s)\n", rc, *text, 0 );
 #else
                        Debug(LDAP_DEBUG_ARGS, "ldbm_modify_internal: %d %s\n",
-                               err, *text, 0);
+                               rc, *text, 0);
 #endif
+               }
 
+               if ( rc != LDAP_SUCCESS ) {
+                       goto exit;
                }
 
-               if ( err != LDAP_SUCCESS ) {
-                       attrs_free( e->e_attrs );
-                       e->e_attrs = save_attrs;
-                       /* unlock entry, delete from cache */
-                       return err; 
+               /* If objectClass was modified, reset the flags */
+               if ( mod->sm_desc == slap_schema.si_ad_objectClass ) {
+                       e->e_ocflags = 0;
                }
-       }
 
-       /* check for abandon */
-       ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
-       if ( op->o_abandon ) {
-               attrs_free( e->e_attrs );
-               e->e_attrs = save_attrs;
-               ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
-               return SLAPD_ABANDON;
+               /* check if modified attribute was indexed */
+               rc = index_is_indexed( be, mod->sm_desc );
+               if ( rc == LDAP_SUCCESS ) {
+                       ap = attr_find( save_attrs, mod->sm_desc );
+                       if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;
+
+                       ap = attr_find( e->e_attrs, mod->sm_desc );
+                       if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
+               }
        }
-       ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 
        /* check that the entry still obeys the schema */
-       rc = entry_schema_check( e, save_attrs, text );
+       rc = entry_schema_check( be, e, save_attrs, text, textbuf, textlen );
        if ( rc != LDAP_SUCCESS ) {
-               attrs_free( e->e_attrs );
-               e->e_attrs = save_attrs;
 #ifdef NEW_LOGGING
-               LDAP_LOG(( "backend", LDAP_LEVEL_ERR,
-                          "ldbm_modify_internal: entry failed schema check: %s\n",
-                          *text ));
+               LDAP_LOG( BACK_LDBM, ERR, 
+                       "ldbm_modify_internal: entry failed schema check: %s\n", 
+                       *text, 0, 0 );
 #else
                Debug( LDAP_DEBUG_ANY, "entry failed schema check: %s\n",
                        *text, 0, 0 );
 #endif
 
-               return rc;
+               goto exit;
        }
 
        /* check for abandon */
-       ldap_pvt_thread_mutex_lock( &op->o_abandonmutex );
        if ( op->o_abandon ) {
-               attrs_free( e->e_attrs );
-               e->e_attrs = save_attrs;
-               ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
-               return SLAPD_ABANDON;
+               rc = SLAPD_ABANDON;
+               goto exit;
        }
-       ldap_pvt_thread_mutex_unlock( &op->o_abandonmutex );
 
-       /* delete indices for old attributes */
-       index_entry_del( be, e, save_attrs);
+       /* update the indices of the modified attributes */
 
-       /* add indices for new attributes */
-       index_entry_add( be, e, e->e_attrs);
+       /* start with deleting the old index entries */
+       for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
+               if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
+                       rc = index_values( be, ap->a_desc, ap->a_vals, e->e_id,
+                                          SLAP_INDEX_DELETE_OP );
+                       if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+                               LDAP_LOG( BACK_LDBM, ERR,
+                                       "ldbm_modify_internal: Attribute index delete failure\n",
+                                       0, 0, 0 );
+#else
+                               Debug( LDAP_DEBUG_ANY,
+                                      "Attribute index delete failure",
+                                      0, 0, 0 );
+#endif
+                               goto exit;
+                       }
+                       ap->a_flags &= ~SLAP_ATTR_IXDEL;
+               }
+       }
 
-       attrs_free( save_attrs );
+       /* add the new index entries */
+       for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
+               if ( ap->a_flags & SLAP_ATTR_IXADD ) {
+                       rc = index_values( be, ap->a_desc, ap->a_vals, e->e_id,
+                                          SLAP_INDEX_ADD_OP );
+                       if ( rc != LDAP_SUCCESS ) {
+#ifdef NEW_LOGGING
+                               LDAP_LOG( BACK_LDBM, ERR,
+                                       "ldbm_modify_internal: Attribute index add failure\n",
+                                       0, 0, 0 );
+#else
+                               Debug( LDAP_DEBUG_ANY,
+                                      "Attribute index add failure",
+                                      0, 0, 0 );
+#endif
+                               goto exit;
+                       }
+                       ap->a_flags &= ~SLAP_ATTR_IXADD;
+               }
+       }
 
-       return LDAP_SUCCESS;
-}
+exit:
+       if ( rc == LDAP_SUCCESS ) {
+               attrs_free( save_attrs );
+       } else {
+               for ( ap = save_attrs; ap; ap = ap->a_next ) {
+                       ap->a_flags = 0;
+               }
+               attrs_free( e->e_attrs );
+               e->e_attrs = save_attrs;
+       }
 
+       return rc;
+}
 
 int
 ldbm_back_modify(
     Backend    *be,
     Connection *conn,
     Operation  *op,
-    const char *dn,
-    const char *ndn,
+    struct berval      *dn,
+    struct berval      *ndn,
     Modifications      *modlist
 )
 {
@@ -254,19 +280,22 @@ ldbm_back_modify(
        Entry           *e;
        int             manageDSAit = get_manageDSAit( op );
        const char *text = NULL;
+       char textbuf[SLAP_TEXT_BUFLEN];
+       size_t textlen = sizeof textbuf;
 
 #ifdef NEW_LOGGING
-       LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
-                  "ldbm_back_modify: enter\n" ));
+       LDAP_LOG( BACK_LDBM, ENTRY, "ldbm_back_modify: enter\n", 0, 0, 0);
 #else
        Debug(LDAP_DEBUG_ARGS, "ldbm_back_modify:\n", 0, 0, 0);
 #endif
 
+       /* grab giant lock for writing */
+       ldap_pvt_thread_rdwr_wlock(&li->li_giant_rwlock);
 
        /* acquire and lock entry */
        if ( (e = dn2entry_w( be, ndn, &matched )) == NULL ) {
                char* matched_dn = NULL;
-               struct berval **refs = NULL;
+               BerVarray refs;
 
                if ( matched != NULL ) {
                        matched_dn = ch_strdup( matched->e_dn );
@@ -275,16 +304,16 @@ ldbm_back_modify(
                                : NULL;
                        cache_return_entry_r( &li->li_cache, matched );
                } else {
-                       refs = default_referral;
+                       refs = referral_rewrite( default_referral,
+                               NULL, dn, LDAP_SCOPE_DEFAULT );
                }
 
+               ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
                send_ldap_result( conn, op, LDAP_REFERRAL,
                        matched_dn, NULL, refs, NULL );
 
-               if ( matched != NULL ) {
-                       ber_bvecfree( refs );
-                       free( matched_dn );
-               }
+               if ( refs ) ber_bvarray_free( refs );
+               free( matched_dn );
 
                return( -1 );
        }
@@ -292,12 +321,12 @@ ldbm_back_modify(
     if ( !manageDSAit && is_entry_referral( e ) ) {
                /* parent is a referral, don't allow add */
                /* parent is an alias, don't allow add */
-               struct berval **refs = get_entry_referrals( be,
+               BerVarray refs = get_entry_referrals( be,
                        conn, op, e );
 
 #ifdef NEW_LOGGING
-               LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
-                          "ldbm_back_modify: entry (%s) is referral\n", ndn ));
+               LDAP_LOG( BACK_LDBM, INFO, 
+                          "ldbm_back_modify: entry (%s) is referral\n", ndn->bv_val, 0, 0 );
 #else
                Debug( LDAP_DEBUG_TRACE, "entry is referral\n", 0,
                    0, 0 );
@@ -307,13 +336,14 @@ ldbm_back_modify(
                send_ldap_result( conn, op, LDAP_REFERRAL,
                    e->e_dn, NULL, refs, NULL );
 
-               ber_bvecfree( refs );
+               if ( refs ) ber_bvarray_free( refs );
 
                goto error_return;
        }
        
        /* Modify the entry */
-       rc = ldbm_modify_internal( be, conn, op, ndn, modlist, e, &text );
+       rc = ldbm_modify_internal( be, conn, op, ndn->bv_val, modlist, e,
+               &text, textbuf, textlen );
 
        if( rc != LDAP_SUCCESS ) {
                if( rc != SLAPD_ABANDON ) {
@@ -335,214 +365,11 @@ ldbm_back_modify(
                NULL, NULL, NULL, NULL );
 
        cache_return_entry_w( &li->li_cache, e );
+       ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
        return( 0 );
 
 error_return:;
        cache_return_entry_w( &li->li_cache, e );
+       ldap_pvt_thread_rdwr_wunlock(&li->li_giant_rwlock);
        return( -1 );
 }
-
-static int
-add_values(
-    Entry      *e,
-    Modification       *mod,
-    char       *dn
-)
-{
-       int             i;
-       Attribute       *a;
-
-       /* char *desc = mod->sm_desc->ad_cname->bv_val; */
-       MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
-
-       a = attr_find( e->e_attrs, mod->sm_desc );
-
-       /* check if the values we're adding already exist */
-       if ( a != NULL ) {
-               if( mr == NULL || !mr->smr_match ) {
-                       /* do not allow add of additional attribute
-                               if no equality rule exists */
-                       return LDAP_INAPPROPRIATE_MATCHING;
-               }
-
-               for ( i = 0; mod->sm_bvalues[i] != NULL; i++ ) {
-                       int rc;
-                       int j;
-                       const char *text = NULL;
-                       struct berval *asserted;
-
-                       rc = value_normalize( mod->sm_desc,
-                               SLAP_MR_EQUALITY,
-                               mod->sm_bvalues[i],
-                               &asserted,
-                               &text );
-
-                       if( rc != LDAP_SUCCESS ) return rc;
-
-                       for ( j = 0; a->a_vals[j] != NULL; j++ ) {
-                               int match;
-                               int rc = value_match( &match, mod->sm_desc, mr,
-                                       SLAP_MR_MODIFY_MATCHING,
-                                       a->a_vals[j], asserted, &text );
-
-                               if( rc == LDAP_SUCCESS && match == 0 ) {
-                                       ber_bvfree( asserted );
-                                       return LDAP_TYPE_OR_VALUE_EXISTS;
-                               }
-                       }
-
-                       ber_bvfree( asserted );
-               }
-       }
-
-       /* no - add them */
-       if( attr_merge( e, mod->sm_desc, mod->sm_bvalues ) != 0 ) {
-               /* this should return result return of attr_merge */
-               return LDAP_OTHER;
-       }
-
-       return LDAP_SUCCESS;
-}
-
-static int
-delete_values(
-    Entry      *e,
-    Modification       *mod,
-    char       *dn
-)
-{
-       int             i, j, k, found;
-       Attribute       *a;
-       char *desc = mod->sm_desc->ad_cname->bv_val;
-       MatchingRule *mr = mod->sm_desc->ad_type->sat_equality;
-
-       /* delete the entire attribute */
-       if ( mod->sm_bvalues == NULL ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
-                          "delete_values: removing entire attribute %s\n", desc ));
-#else
-               Debug( LDAP_DEBUG_ARGS, "removing entire attribute %s\n",
-                   desc, 0, 0 );
-#endif
-
-               return( attr_delete( &e->e_attrs, mod->sm_desc ) ?
-                   LDAP_NO_SUCH_ATTRIBUTE : LDAP_SUCCESS );
-       }
-
-       if( mr == NULL || !mr->smr_match ) {
-               /* disallow specific attributes from being deleted if
-                       no equality rule */
-               return LDAP_INAPPROPRIATE_MATCHING;
-       }
-
-       /* delete specific values - find the attribute first */
-       if ( (a = attr_find( e->e_attrs, mod->sm_desc )) == NULL ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG(( "backend", LDAP_LEVEL_INFO,
-                          "ldap_modify_delete: Could not find attribute %s\n", desc ));
-#else
-               Debug( LDAP_DEBUG_ARGS, "ldap_modify_delete: "
-                       "could not find attribute %s\n",
-                   desc, 0, 0 );
-#endif
-
-               return( LDAP_NO_SUCH_ATTRIBUTE );
-       }
-
-       /* find each value to delete */
-       for ( i = 0; mod->sm_bvalues[i] != NULL; i++ ) {
-               int rc;
-               const char *text = NULL;
-
-               struct berval *asserted;
-
-               rc = value_normalize( mod->sm_desc,
-                       SLAP_MR_EQUALITY,
-                       mod->sm_bvalues[i],
-                       &asserted,
-                       &text );
-
-               if( rc != LDAP_SUCCESS ) return rc;
-
-               found = 0;
-               for ( j = 0; a->a_vals[j] != NULL; j++ ) {
-                       int match;
-                       int rc = value_match( &match, mod->sm_desc, mr,
-                               SLAP_MR_MODIFY_MATCHING,
-                               a->a_vals[j], asserted, &text );
-
-                       if( rc == LDAP_SUCCESS && match != 0 ) {
-                               continue;
-                       }
-
-                       /* found a matching value */
-                       found = 1;
-
-                       /* delete it */
-                       ber_bvfree( a->a_vals[j] );
-                       for ( k = j + 1; a->a_vals[k] != NULL; k++ ) {
-                               a->a_vals[k - 1] = a->a_vals[k];
-                       }
-                       a->a_vals[k - 1] = NULL;
-
-                       break;
-               }
-
-               ber_bvfree( asserted );
-
-               /* looked through them all w/o finding it */
-               if ( ! found ) {
-#ifdef NEW_LOGGING
-                       LDAP_LOG(( "backend", LDAP_LEVEL_ARGS,
-                                  "delete_values: could not find value for attr %s\n", desc )); 
-#else
-                       Debug( LDAP_DEBUG_ARGS,
-                           "ldbm_modify_delete: could not find value for attr %s\n",
-                           desc, 0, 0 );
-#endif
-
-                       return LDAP_NO_SUCH_ATTRIBUTE;
-               }
-       }
-
-       /* if no values remain, delete the entire attribute */
-       if ( a->a_vals[0] == NULL ) {
-#ifdef NEW_LOGGING
-               LDAP_LOG(( "backend", LDAP_LEVEL_ENTRY,
-                          "delete_values: removing entire attribute %s\n", desc ));
-#else
-               Debug( LDAP_DEBUG_ARGS,
-                       "removing entire attribute %s\n",
-                       desc, 0, 0 );
-#endif
-
-               if ( attr_delete( &e->e_attrs, mod->sm_desc ) ) {
-                       return LDAP_NO_SUCH_ATTRIBUTE;
-               }
-       }
-
-       return LDAP_SUCCESS;
-}
-
-static int
-replace_values(
-    Entry      *e,
-    Modification       *mod,
-    char       *dn
-)
-{
-       int rc = attr_delete( &e->e_attrs, mod->sm_desc );
-
-       if( rc != LDAP_SUCCESS && rc != LDAP_NO_SUCH_ATTRIBUTE ) {
-               return rc;
-       }
-
-       if ( mod->sm_bvalues != NULL &&
-               attr_merge( e, mod->sm_desc, mod->sm_bvalues ) != 0 )
-       {
-               return LDAP_OTHER;
-       }
-
-       return LDAP_SUCCESS;
-}