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openldap  2.4.31
Functions | Variables
modify.c File Reference
#include "portable.h"
#include <stdio.h>
#include <ac/string.h>
#include <ac/time.h>
#include "back-bdb.h"

Go to the source code of this file.

Functions

static void bdb_modify_idxflags (Operation *op, AttributeDescription *desc, int got_delete, Attribute *newattrs, Attribute *oldattrs)
int bdb_modify_internal (Operation *op, DB_TXN *tid, Modifications *modlist, Entry *e, const char **text, char *textbuf, size_t textlen)
int bdb_modify (Operation *op, SlapReply *rs)

Variables

static struct berval []

Function Documentation

int bdb_modify ( Operation op,
SlapReply rs 
)

Definition at line 397 of file modify.c.

{
       struct bdb_info *bdb = (struct bdb_info *) op->o_bd->be_private;
       Entry         *e = NULL;
       EntryInfo     *ei = NULL;
       int           manageDSAit = get_manageDSAit( op );
       char textbuf[SLAP_TEXT_BUFLEN];
       size_t textlen = sizeof textbuf;
       DB_TXN *ltid = NULL, *lt2;
       struct bdb_op_info opinfo = {{{ 0 }}};
       Entry         dummy = {0};

       DB_LOCK              lock;

       int           num_retries = 0;

       LDAPControl **preread_ctrl = NULL;
       LDAPControl **postread_ctrl = NULL;
       LDAPControl *ctrls[SLAP_MAX_RESPONSE_CONTROLS];
       int num_ctrls = 0;

       int rc;

#ifdef LDAP_X_TXN
       int settle = 0;
#endif

       Debug( LDAP_DEBUG_ARGS, LDAP_XSTRING(bdb_modify) ": %s\n",
              op->o_req_dn.bv_val, 0, 0 );

#ifdef LDAP_X_TXN
       if( op->o_txnSpec ) {
              /* acquire connection lock */
              ldap_pvt_thread_mutex_lock( &op->o_conn->c_mutex );
              if( op->o_conn->c_txn == CONN_TXN_INACTIVE ) {
                     rs->sr_text = "invalid transaction identifier";
                     rs->sr_err = LDAP_X_TXN_ID_INVALID;
                     goto txnReturn;
              } else if( op->o_conn->c_txn == CONN_TXN_SETTLE ) {
                     settle=1;
                     goto txnReturn;
              }

              if( op->o_conn->c_txn_backend == NULL ) {
                     op->o_conn->c_txn_backend = op->o_bd;

              } else if( op->o_conn->c_txn_backend != op->o_bd ) {
                     rs->sr_text = "transaction cannot span multiple database contexts";
                     rs->sr_err = LDAP_AFFECTS_MULTIPLE_DSAS;
                     goto txnReturn;
              }

              /* insert operation into transaction */

              rs->sr_text = "transaction specified";
              rs->sr_err = LDAP_X_TXN_SPECIFY_OKAY;

txnReturn:
              /* release connection lock */
              ldap_pvt_thread_mutex_unlock( &op->o_conn->c_mutex );

              if( !settle ) {
                     send_ldap_result( op, rs );
                     return rs->sr_err;
              }
       }
#endif

       ctrls[num_ctrls] = NULL;

       /* Don't touch the opattrs, if this is a contextCSN update
        * initiated from updatedn */
       if ( !be_isupdate(op) || !op->orm_modlist || op->orm_modlist->sml_next ||
               op->orm_modlist->sml_desc != slap_schema.si_ad_contextCSN ) {

              slap_mods_opattrs( op, &op->orm_modlist, 1 );
       }

       if( 0 ) {
retry: /* transaction retry */
              if ( dummy.e_attrs ) {
                     attrs_free( dummy.e_attrs );
                     dummy.e_attrs = NULL;
              }
              if( e != NULL ) {
                     bdb_unlocked_cache_return_entry_w(&bdb->bi_cache, e);
                     e = NULL;
              }
              Debug(LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(bdb_modify) ": retrying...\n", 0, 0, 0);

              rs->sr_err = TXN_ABORT( ltid );
              ltid = NULL;
              LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
              opinfo.boi_oe.oe_key = NULL;
              op->o_do_not_cache = opinfo.boi_acl_cache;
              if( rs->sr_err != 0 ) {
                     rs->sr_err = LDAP_OTHER;
                     rs->sr_text = "internal error";
                     goto return_results;
              }
              if ( op->o_abandon ) {
                     rs->sr_err = SLAPD_ABANDON;
                     goto return_results;
              }
              bdb_trans_backoff( ++num_retries );
       }

       /* begin transaction */
       rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, NULL, &ltid, 
              bdb->bi_db_opflags );
       rs->sr_text = NULL;
       if( rs->sr_err != 0 ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(bdb_modify) ": txn_begin failed: "
                     "%s (%d)\n", db_strerror(rs->sr_err), rs->sr_err, 0 );
              rs->sr_err = LDAP_OTHER;
              rs->sr_text = "internal error";
              goto return_results;
       }

       opinfo.boi_oe.oe_key = bdb;
       opinfo.boi_txn = ltid;
       opinfo.boi_err = 0;
       opinfo.boi_acl_cache = op->o_do_not_cache;
       LDAP_SLIST_INSERT_HEAD( &op->o_extra, &opinfo.boi_oe, oe_next );

       /* get entry or ancestor */
       rs->sr_err = bdb_dn2entry( op, ltid, &op->o_req_ndn, &ei, 1,
              &lock );

       if ( rs->sr_err != 0 ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(bdb_modify) ": dn2entry failed (%d)\n",
                     rs->sr_err, 0, 0 );
              switch( rs->sr_err ) {
              case DB_LOCK_DEADLOCK:
              case DB_LOCK_NOTGRANTED:
                     goto retry;
              case DB_NOTFOUND:
                     break;
              case LDAP_BUSY:
                     rs->sr_text = "ldap server busy";
                     goto return_results;
              default:
                     rs->sr_err = LDAP_OTHER;
                     rs->sr_text = "internal error";
                     goto return_results;
              }
       }

       e = ei->bei_e;

       /* acquire and lock entry */
       /* FIXME: dn2entry() should return non-glue entry */
       if (( rs->sr_err == DB_NOTFOUND ) ||
              ( !manageDSAit && e && is_entry_glue( e )))
       {
              if ( e != NULL ) {
                     rs->sr_matched = ch_strdup( e->e_dn );
                     rs->sr_ref = is_entry_referral( e )
                            ? get_entry_referrals( op, e )
                            : NULL;
                     bdb_unlocked_cache_return_entry_r (&bdb->bi_cache, e);
                     e = NULL;

              } else {
                     rs->sr_ref = referral_rewrite( default_referral, NULL,
                            &op->o_req_dn, LDAP_SCOPE_DEFAULT );
              }

              rs->sr_err = LDAP_REFERRAL;
              send_ldap_result( op, rs );

              if ( rs->sr_ref != default_referral ) {
                     ber_bvarray_free( rs->sr_ref );
              }
              free( (char *)rs->sr_matched );
              rs->sr_ref = NULL;
              rs->sr_matched = NULL;

              goto done;
       }

       if ( !manageDSAit && is_entry_referral( e ) ) {
              /* entry is a referral, don't allow modify */
              rs->sr_ref = get_entry_referrals( op, e );

              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(bdb_modify) ": entry is referral\n",
                     0, 0, 0 );

              rs->sr_err = LDAP_REFERRAL;
              rs->sr_matched = e->e_name.bv_val;
              send_ldap_result( op, rs );

              ber_bvarray_free( rs->sr_ref );
              rs->sr_ref = NULL;
              rs->sr_matched = NULL;
              goto done;
       }

       if ( get_assert( op ) &&
              ( test_filter( op, e, get_assertion( op )) != LDAP_COMPARE_TRUE ))
       {
              rs->sr_err = LDAP_ASSERTION_FAILED;
              goto return_results;
       }

       if( op->o_preread ) {
              if( preread_ctrl == NULL ) {
                     preread_ctrl = &ctrls[num_ctrls++];
                     ctrls[num_ctrls] = NULL;
              }
              if ( slap_read_controls( op, rs, e,
                     &slap_pre_read_bv, preread_ctrl ) )
              {
                     Debug( LDAP_DEBUG_TRACE,
                            "<=- " LDAP_XSTRING(bdb_modify) ": pre-read "
                            "failed!\n", 0, 0, 0 );
                     if ( op->o_preread & SLAP_CONTROL_CRITICAL ) {
                            /* FIXME: is it correct to abort
                             * operation if control fails? */
                            goto return_results;
                     }
              }
       }

       /* nested transaction */
       rs->sr_err = TXN_BEGIN( bdb->bi_dbenv, ltid, &lt2, bdb->bi_db_opflags );
       rs->sr_text = NULL;
       if( rs->sr_err != 0 ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(bdb_modify) ": txn_begin(2) failed: " "%s (%d)\n",
                     db_strerror(rs->sr_err), rs->sr_err, 0 );
              rs->sr_err = LDAP_OTHER;
              rs->sr_text = "internal error";
              goto return_results;
       }
       /* Modify the entry */
       dummy = *e;
       rs->sr_err = bdb_modify_internal( op, lt2, op->orm_modlist,
              &dummy, &rs->sr_text, textbuf, textlen );

       if( rs->sr_err != LDAP_SUCCESS ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(bdb_modify) ": modify failed (%d)\n",
                     rs->sr_err, 0, 0 );
              if ( (rs->sr_err == LDAP_INSUFFICIENT_ACCESS) && opinfo.boi_err ) {
                     rs->sr_err = opinfo.boi_err;
              }
              /* Only free attrs if they were dup'd.  */
              if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
              switch( rs->sr_err ) {
              case DB_LOCK_DEADLOCK:
              case DB_LOCK_NOTGRANTED:
                     goto retry;
              }
              goto return_results;
       }

       /* change the entry itself */
       rs->sr_err = bdb_id2entry_update( op->o_bd, lt2, &dummy );
       if ( rs->sr_err != 0 ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(bdb_modify) ": id2entry update failed " "(%d)\n",
                     rs->sr_err, 0, 0 );
              switch( rs->sr_err ) {
              case DB_LOCK_DEADLOCK:
              case DB_LOCK_NOTGRANTED:
                     goto retry;
              }
              rs->sr_text = "entry update failed";
              goto return_results;
       }

       if ( TXN_COMMIT( lt2, 0 ) != 0 ) {
              rs->sr_err = LDAP_OTHER;
              rs->sr_text = "txn_commit(2) failed";
              goto return_results;
       }

       if( op->o_postread ) {
              if( postread_ctrl == NULL ) {
                     postread_ctrl = &ctrls[num_ctrls++];
                     ctrls[num_ctrls] = NULL;
              }
              if( slap_read_controls( op, rs, &dummy,
                     &slap_post_read_bv, postread_ctrl ) )
              {
                     Debug( LDAP_DEBUG_TRACE,
                            "<=- " LDAP_XSTRING(bdb_modify)
                            ": post-read failed!\n", 0, 0, 0 );
                     if ( op->o_postread & SLAP_CONTROL_CRITICAL ) {
                            /* FIXME: is it correct to abort
                             * operation if control fails? */
                            goto return_results;
                     }
              }
       }

       if( op->o_noop ) {
              if ( ( rs->sr_err = TXN_ABORT( ltid ) ) != 0 ) {
                     rs->sr_text = "txn_abort (no-op) failed";
              } else {
                     rs->sr_err = LDAP_X_NO_OPERATION;
                     ltid = NULL;
                     /* Only free attrs if they were dup'd.  */
                     if ( dummy.e_attrs == e->e_attrs ) dummy.e_attrs = NULL;
                     goto return_results;
              }
       } else {
              /* may have changed in bdb_modify_internal() */
              e->e_ocflags = dummy.e_ocflags;
              rc = bdb_cache_modify( bdb, e, dummy.e_attrs, ltid, &lock );
              switch( rc ) {
              case DB_LOCK_DEADLOCK:
              case DB_LOCK_NOTGRANTED:
                     goto retry;
              }
              dummy.e_attrs = NULL;

              rs->sr_err = TXN_COMMIT( ltid, 0 );
       }
       ltid = NULL;
       LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
       opinfo.boi_oe.oe_key = NULL;

       if( rs->sr_err != 0 ) {
              Debug( LDAP_DEBUG_TRACE,
                     LDAP_XSTRING(bdb_modify) ": txn_%s failed: %s (%d)\n",
                     op->o_noop ? "abort (no-op)" : "commit",
                     db_strerror(rs->sr_err), rs->sr_err );
              rs->sr_err = LDAP_OTHER;
              rs->sr_text = "commit failed";

              goto return_results;
       }

       Debug( LDAP_DEBUG_TRACE,
              LDAP_XSTRING(bdb_modify) ": updated%s id=%08lx dn=\"%s\"\n",
              op->o_noop ? " (no-op)" : "",
              dummy.e_id, op->o_req_dn.bv_val );

       rs->sr_err = LDAP_SUCCESS;
       rs->sr_text = NULL;
       if( num_ctrls ) rs->sr_ctrls = ctrls;

return_results:
       if( dummy.e_attrs ) {
              attrs_free( dummy.e_attrs );
       }
       send_ldap_result( op, rs );

       if( rs->sr_err == LDAP_SUCCESS && bdb->bi_txn_cp_kbyte ) {
              TXN_CHECKPOINT( bdb->bi_dbenv,
                     bdb->bi_txn_cp_kbyte, bdb->bi_txn_cp_min, 0 );
       }

done:
       slap_graduate_commit_csn( op );

       if( ltid != NULL ) {
              TXN_ABORT( ltid );
       }
       if ( opinfo.boi_oe.oe_key ) {
              LDAP_SLIST_REMOVE( &op->o_extra, &opinfo.boi_oe, OpExtra, oe_next );
       }

       if( e != NULL ) {
              bdb_unlocked_cache_return_entry_w (&bdb->bi_cache, e);
       }

       if( preread_ctrl != NULL && (*preread_ctrl) != NULL ) {
              slap_sl_free( (*preread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
              slap_sl_free( *preread_ctrl, op->o_tmpmemctx );
       }
       if( postread_ctrl != NULL && (*postread_ctrl) != NULL ) {
              slap_sl_free( (*postread_ctrl)->ldctl_value.bv_val, op->o_tmpmemctx );
              slap_sl_free( *postread_ctrl, op->o_tmpmemctx );
       }

       rs->sr_text = NULL;

       return rs->sr_err;
}

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static void bdb_modify_idxflags ( Operation op,
AttributeDescription desc,
int  got_delete,
Attribute newattrs,
Attribute oldattrs 
) [static]

Definition at line 31 of file modify.c.

{
       struct berval ix_at;
       AttrInfo      *ai;

       /* check if modified attribute was indexed
        * but not in case of NOOP... */
       ai = bdb_index_mask( op->o_bd, desc, &ix_at );
       if ( ai ) {
              if ( got_delete ) {
                     Attribute     *ap;
                     struct berval ix2;

                     ap = attr_find( oldattrs, desc );
                     if ( ap ) ap->a_flags |= SLAP_ATTR_IXDEL;

                     /* Find all other attrs that index to same slot */
                     for ( ap = newattrs; ap; ap = ap->a_next ) {
                            ai = bdb_index_mask( op->o_bd, ap->a_desc, &ix2 );
                            if ( ai && ix2.bv_val == ix_at.bv_val )
                                   ap->a_flags |= SLAP_ATTR_IXADD;
                     }

              } else {
                     Attribute     *ap;

                     ap = attr_find( newattrs, desc );
                     if ( ap ) ap->a_flags |= SLAP_ATTR_IXADD;
              }
       }
}

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int bdb_modify_internal ( Operation op,
DB_TXN *  tid,
Modifications modlist,
Entry e,
const char **  text,
char *  textbuf,
size_t  textlen 
)

Definition at line 68 of file modify.c.

{
       int rc, err;
       Modification  *mod;
       Modifications *ml;
       Attribute     *save_attrs;
       Attribute     *ap;
       int                  glue_attr_delete = 0;
       int                  got_delete;

       Debug( LDAP_DEBUG_TRACE, "bdb_modify_internal: 0x%08lx: %s\n",
              e->e_id, e->e_dn, 0);

       if ( !acl_check_modlist( op, e, modlist )) {
              return LDAP_INSUFFICIENT_ACCESS;
       }

       /* save_attrs will be disposed of by bdb_cache_modify */
       save_attrs = e->e_attrs;
       e->e_attrs = attrs_dup( e->e_attrs );

       for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
              int match;
              mod = &ml->sml_mod;
              switch( mod->sm_op ) {
              case LDAP_MOD_ADD:
              case LDAP_MOD_REPLACE:
                     if ( mod->sm_desc == slap_schema.si_ad_structuralObjectClass ) {
                            value_match( &match, slap_schema.si_ad_structuralObjectClass,
                                   slap_schema.si_ad_structuralObjectClass->
                                          ad_type->sat_equality,
                                   SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
                                   &mod->sm_values[0], &scbva[0], text );
                            if ( !match ) glue_attr_delete = 1;
                     }
              }
              if ( glue_attr_delete )
                     break;
       }

       if ( glue_attr_delete ) {
              Attribute     **app = &e->e_attrs;
              while ( *app != NULL ) {
                     if ( !is_at_operational( (*app)->a_desc->ad_type )) {
                            Attribute *save = *app;
                            *app = (*app)->a_next;
                            attr_free( save );
                            continue;
                     }
                     app = &(*app)->a_next;
              }
       }

       for ( ml = modlist; ml != NULL; ml = ml->sml_next ) {
              mod = &ml->sml_mod;
              got_delete = 0;

              switch ( mod->sm_op ) {
              case LDAP_MOD_ADD:
                     Debug(LDAP_DEBUG_ARGS,
                            "bdb_modify_internal: add %s\n",
                            mod->sm_desc->ad_cname.bv_val, 0, 0);
                     err = modify_add_values( e, mod, get_permissiveModify(op),
                            text, textbuf, textlen );
                     if( err != LDAP_SUCCESS ) {
                            Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
                                   err, *text, 0);
                     }
                     break;

              case LDAP_MOD_DELETE:
                     if ( glue_attr_delete ) {
                            err = LDAP_SUCCESS;
                            break;
                     }

                     Debug(LDAP_DEBUG_ARGS,
                            "bdb_modify_internal: delete %s\n",
                            mod->sm_desc->ad_cname.bv_val, 0, 0);
                     err = modify_delete_values( e, mod, get_permissiveModify(op),
                            text, textbuf, textlen );
                     if( err != LDAP_SUCCESS ) {
                            Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
                                   err, *text, 0);
                     } else {
                            got_delete = 1;
                     }
                     break;

              case LDAP_MOD_REPLACE:
                     Debug(LDAP_DEBUG_ARGS,
                            "bdb_modify_internal: replace %s\n",
                            mod->sm_desc->ad_cname.bv_val, 0, 0);
                     err = modify_replace_values( e, mod, get_permissiveModify(op),
                            text, textbuf, textlen );
                     if( err != LDAP_SUCCESS ) {
                            Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
                                   err, *text, 0);
                     } else {
                            got_delete = 1;
                     }
                     break;

              case LDAP_MOD_INCREMENT:
                     Debug(LDAP_DEBUG_ARGS,
                            "bdb_modify_internal: increment %s\n",
                            mod->sm_desc->ad_cname.bv_val, 0, 0);
                     err = modify_increment_values( e, mod, get_permissiveModify(op),
                            text, textbuf, textlen );
                     if( err != LDAP_SUCCESS ) {
                            Debug(LDAP_DEBUG_ARGS,
                                   "bdb_modify_internal: %d %s\n",
                                   err, *text, 0);
                     } else {
                            got_delete = 1;
                     }
                     break;

              case SLAP_MOD_SOFTADD:
                     Debug(LDAP_DEBUG_ARGS,
                            "bdb_modify_internal: softadd %s\n",
                            mod->sm_desc->ad_cname.bv_val, 0, 0);
                     /* Avoid problems in index_add_mods()
                      * We need to add index if necessary.
                      */
                     mod->sm_op = LDAP_MOD_ADD;

                     err = modify_add_values( e, mod, get_permissiveModify(op),
                            text, textbuf, textlen );

                     mod->sm_op = SLAP_MOD_SOFTADD;

                     if ( err == LDAP_TYPE_OR_VALUE_EXISTS ) {
                            err = LDAP_SUCCESS;
                     }

                     if( err != LDAP_SUCCESS ) {
                            Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
                                   err, *text, 0);
                     }
                     break;

              case SLAP_MOD_SOFTDEL:
                     Debug(LDAP_DEBUG_ARGS,
                            "bdb_modify_internal: softdel %s\n",
                            mod->sm_desc->ad_cname.bv_val, 0, 0);
                     /* Avoid problems in index_delete_mods()
                      * We need to add index if necessary.
                      */
                     mod->sm_op = LDAP_MOD_DELETE;

                     err = modify_delete_values( e, mod, get_permissiveModify(op),
                            text, textbuf, textlen );

                     mod->sm_op = SLAP_MOD_SOFTDEL;

                     if ( err == LDAP_NO_SUCH_ATTRIBUTE ) {
                            err = LDAP_SUCCESS;
                     }

                     if( err != LDAP_SUCCESS ) {
                            Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
                                   err, *text, 0);
                     }
                     break;

              case SLAP_MOD_ADD_IF_NOT_PRESENT:
                     if ( attr_find( e->e_attrs, mod->sm_desc ) != NULL ) {
                            /* skip */
                            err = LDAP_SUCCESS;
                            break;
                     }

                     Debug(LDAP_DEBUG_ARGS,
                            "bdb_modify_internal: add_if_not_present %s\n",
                            mod->sm_desc->ad_cname.bv_val, 0, 0);
                     /* Avoid problems in index_add_mods()
                      * We need to add index if necessary.
                      */
                     mod->sm_op = LDAP_MOD_ADD;

                     err = modify_add_values( e, mod, get_permissiveModify(op),
                            text, textbuf, textlen );

                     mod->sm_op = SLAP_MOD_ADD_IF_NOT_PRESENT;

                     if( err != LDAP_SUCCESS ) {
                            Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
                                   err, *text, 0);
                     }
                     break;

              default:
                     Debug(LDAP_DEBUG_ANY, "bdb_modify_internal: invalid op %d\n",
                            mod->sm_op, 0, 0);
                     *text = "Invalid modify operation";
                     err = LDAP_OTHER;
                     Debug(LDAP_DEBUG_ARGS, "bdb_modify_internal: %d %s\n",
                            err, *text, 0);
              }

              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;
              }

              if ( glue_attr_delete ) e->e_ocflags = 0;


              /* check if modified attribute was indexed
               * but not in case of NOOP... */
              if ( !op->o_noop ) {
                     bdb_modify_idxflags( op, mod->sm_desc, got_delete, e->e_attrs, save_attrs );
              }
       }

       /* check that the entry still obeys the schema */
       ap = NULL;
       rc = entry_schema_check( op, e, save_attrs, get_relax(op), 0, &ap,
              text, textbuf, textlen );
       if ( rc != LDAP_SUCCESS || op->o_noop ) {
              attrs_free( e->e_attrs );
              /* clear the indexing flags */
              for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
                     ap->a_flags &= ~(SLAP_ATTR_IXADD|SLAP_ATTR_IXDEL);
              }
              e->e_attrs = save_attrs;

              if ( rc != LDAP_SUCCESS ) {
                     Debug( LDAP_DEBUG_ANY,
                            "entry failed schema check: %s\n",
                            *text, 0, 0 );
              }

              /* if NOOP then silently revert to saved attrs */
              return rc;
       }

       /* structuralObjectClass modified! */
       if ( ap ) {
              assert( ap->a_desc == slap_schema.si_ad_structuralObjectClass );
              if ( !op->o_noop ) {
                     bdb_modify_idxflags( op, slap_schema.si_ad_structuralObjectClass,
                            1, e->e_attrs, save_attrs );
              }
       }

       /* update the indices of the modified attributes */

       /* start with deleting the old index entries */
       for ( ap = save_attrs; ap != NULL; ap = ap->a_next ) {
              if ( ap->a_flags & SLAP_ATTR_IXDEL ) {
                     struct berval *vals;
                     Attribute *a2;
                     ap->a_flags &= ~SLAP_ATTR_IXDEL;
                     a2 = attr_find( e->e_attrs, ap->a_desc );
                     if ( a2 ) {
                            /* need to detect which values were deleted */
                            int i, j;
                            vals = op->o_tmpalloc( (ap->a_numvals + 1) *
                                   sizeof(struct berval), op->o_tmpmemctx );
                            j = 0;
                            for ( i=0; i < ap->a_numvals; i++ ) {
                                   rc = attr_valfind( a2, SLAP_MR_ASSERTED_VALUE_NORMALIZED_MATCH,
                                          &ap->a_nvals[i], NULL, op->o_tmpmemctx );
                                   /* Save deleted values */
                                   if ( rc == LDAP_NO_SUCH_ATTRIBUTE )
                                          vals[j++] = ap->a_nvals[i];
                            }
                            BER_BVZERO(vals+j);
                     } else {
                            /* attribute was completely deleted */
                            vals = ap->a_nvals;
                     }
                     rc = 0;
                     if ( !BER_BVISNULL( vals )) {
                            rc = bdb_index_values( op, tid, ap->a_desc,
                                   vals, e->e_id, SLAP_INDEX_DELETE_OP );
                            if ( rc != LDAP_SUCCESS ) {
                                   Debug( LDAP_DEBUG_ANY,
                                          "%s: attribute \"%s\" index delete failure\n",
                                          op->o_log_prefix, ap->a_desc->ad_cname.bv_val, 0 );
                                   attrs_free( e->e_attrs );
                                   e->e_attrs = save_attrs;
                            }
                     }
                     if ( vals != ap->a_nvals )
                            op->o_tmpfree( vals, op->o_tmpmemctx );
                     if ( rc ) return rc;
              }
       }

       /* add the new index entries */
       for ( ap = e->e_attrs; ap != NULL; ap = ap->a_next ) {
              if (ap->a_flags & SLAP_ATTR_IXADD) {
                     ap->a_flags &= ~SLAP_ATTR_IXADD;
                     rc = bdb_index_values( op, tid, ap->a_desc,
                            ap->a_nvals,
                            e->e_id, SLAP_INDEX_ADD_OP );
                     if ( rc != LDAP_SUCCESS ) {
                            Debug( LDAP_DEBUG_ANY,
                                   "%s: attribute \"%s\" index add failure\n",
                                   op->o_log_prefix, ap->a_desc->ad_cname.bv_val, 0 );
                            attrs_free( e->e_attrs );
                            e->e_attrs = save_attrs;
                            return rc;
                     }
              }
       }

       return rc;
}

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Variable Documentation

struct berval[] [static]
Initial value:
 {
       BER_BVC("glue"),
       BER_BVNULL
}

Definition at line 25 of file modify.c.