/* MdbDeleteEntry: Deletes an entry in the MDB DBs.
*
* Returns: BE error codes.
*
*/
DWORD
VmDirMDBDeleteEntry(
PVDIR_BACKEND_CTX pBECtx,
PVDIR_MODIFICATION pMods,
PVDIR_ENTRY pEntry
)
{
DWORD dwError = 0;
assert( pBECtx && pBECtx->pBEPrivate && pEntry );
// Delete child from the parentId index
dwError = MDBDeleteParentIdIndex( pBECtx, &(pEntry->pdn), pEntry->eId );
BAIL_ON_VMDIR_ERROR(dwError);
dwError = VmDirMDBModifyEntry( pBECtx, pMods, pEntry);
BAIL_ON_VMDIR_ERROR( dwError );
if ((dwError = MDBCreateParentIdIndex( pBECtx, &(gVmdirServerGlobals.delObjsContainerDN), pEntry->eId )) != 0)
{
dwError = MDBToBackendError(dwError, ERROR_BACKEND_ENTRY_NOTFOUND,
ERROR_BACKEND_PARENT_NOTFOUND, pBECtx, "CreateParentIdIndex");
BAIL_ON_VMDIR_ERROR( dwError );
}
cleanup:
return dwError;
error:
VMDIR_LOG_ERROR( LDAP_DEBUG_BACKEND, "BEDeleteEntry DN (%s) failed, (%u)(%s)",
VDIR_SAFE_STRING( pEntry->dn.bvnorm_val),
dwError, VDIR_SAFE_STRING(pBECtx->pszBEErrorMsg) );
VMDIR_SET_BACKEND_ERROR(dwError); // if dwError no in BE space, set to ERROR_BACKEND_ERROR
goto cleanup;
}
/* MdbAddEntry: Creates an entry in the MDB DBs.
*
* Returns: BE error codes.
*
*/
DWORD
VmDirMDBAddEntry(
PVDIR_BACKEND_CTX pBECtx,
PVDIR_ENTRY pEntry)
{
DWORD dwError = 0;
ENTRYID entryId = 0;
VDIR_DB_TXN* pTxn = NULL;
VDIR_BERVALUE encodedEntry = VDIR_BERVALUE_INIT;
VDIR_ATTRIBUTE * nextAttr = NULL;
assert( pEntry && pBECtx && pBECtx->pBEPrivate );
pTxn = (PVDIR_DB_TXN)pBECtx->pBEPrivate;
dwError = VmDirEncodeEntry( pEntry, &encodedEntry );
BAIL_ON_VMDIR_ERROR(dwError);
if (pEntry->eId != 0) // Reserved entries have eId already
{
entryId = pEntry->eId;
}
else
{
VDIR_DB_DBT EIDkey = {0};
VDIR_DB_DBT EIDvalue = {0};
unsigned char EIDKeyBytes[sizeof( ENTRYID )] = {0};
unsigned char EIDValueBytes[sizeof( ENTRYID )] = {0};
EIDkey.mv_data = &EIDKeyBytes[0];
MDBEntryIdToDBT(BE_MDB_ENTRYID_SEQ_KEY, &EIDkey);
dwError = mdb_get(pTxn, gVdirMdbGlobals.mdbSeqDBi, &EIDkey, &EIDvalue);
BAIL_ON_VMDIR_ERROR(dwError);
assert( EIDvalue.mv_size == sizeof(ENTRYID) );
entryId = *((ENTRYID*)EIDvalue.mv_data);
*((ENTRYID*)&EIDValueBytes[0]) = entryId + 1;
EIDvalue.mv_data = &EIDValueBytes[0];
EIDvalue.mv_size = sizeof(ENTRYID);
dwError = mdb_put(pTxn, gVdirMdbGlobals.mdbSeqDBi, &EIDkey, &EIDvalue, BE_DB_FLAGS_ZERO);
BAIL_ON_VMDIR_ERROR(dwError);
}
assert( entryId > 0 );
if ((dwError = MDBCreateParentIdIndex(pBECtx, &(pEntry->pdn), entryId)) != 0)
{
dwError = MDBToBackendError(dwError, ERROR_BACKEND_ENTRY_NOTFOUND,
ERROR_BACKEND_PARENT_NOTFOUND, pBECtx, "CreateParentIdIndex");
BAIL_ON_VMDIR_ERROR( dwError );
}
// Update DN index first. this make sure we always return ERROR_BACKEND_ENTRY_EXISTS in such case.
for (nextAttr = pEntry->attrs; nextAttr != NULL; nextAttr = nextAttr->next)
{
if (VmDirStringCompareA(nextAttr->type.lberbv.bv_val, ATTR_DN, FALSE) == 0)
{
// make sure we store normalized DN value.
dwError = VmDirNormalizeDN( &(nextAttr->vals[0]), pEntry->pSchemaCtx );
BAIL_ON_VMDIR_ERROR(dwError);
if ((dwError = MdbUpdateIndicesForAttr( pTxn, &(nextAttr->type), nextAttr->vals, nextAttr->numVals,
entryId, BE_INDEX_OP_TYPE_CREATE)) != 0)
{
dwError = MDBToBackendError( dwError,
MDB_KEYEXIST,
ERROR_BACKEND_ENTRY_EXISTS,
pBECtx,
VDIR_SAFE_STRING(nextAttr->vals[0].bvnorm_val));
BAIL_ON_VMDIR_ERROR( dwError );
}
if ((dwError = MdbUpdateAttrMetaData( pTxn, nextAttr, entryId, BE_INDEX_OP_TYPE_CREATE )) != 0)
{
dwError = MDBToBackendError(dwError, 0, ERROR_BACKEND_ERROR, pBECtx, "UpdateDNAttrMetaData");
BAIL_ON_VMDIR_ERROR( dwError );
}
}
}
// Update remaining indices
for (nextAttr = pEntry->attrs; nextAttr != NULL; nextAttr = nextAttr->next)
{
if (VmDirStringCompareA(nextAttr->type.lberbv.bv_val, ATTR_DN, FALSE) != 0)
{
if ((dwError = MdbUpdateIndicesForAttr( pTxn, &(nextAttr->type), nextAttr->vals, nextAttr->numVals,
entryId, BE_INDEX_OP_TYPE_CREATE)) != 0)
{
dwError = MDBToBackendError( dwError,
MDB_KEYEXIST,
ERROR_BACKEND_CONSTRAINT,
pBECtx,
VDIR_SAFE_STRING(nextAttr->type.lberbv.bv_val));
BAIL_ON_VMDIR_ERROR( dwError );
}
if ((dwError = MdbUpdateAttrMetaData( pTxn, nextAttr, entryId, BE_INDEX_OP_TYPE_CREATE )) != 0)
{
dwError = MDBToBackendError(dwError, 0, ERROR_BACKEND_ERROR, pBECtx,
VDIR_SAFE_STRING(nextAttr->type.lberbv.bv_val));
BAIL_ON_VMDIR_ERROR( dwError );
}
}
}
// Update entry/blob database
if ((dwError = MdbCreateEIDIndex(pTxn, entryId, &encodedEntry, TRUE /* 1st time new entry creation */)) != 0)
{
dwError = MDBToBackendError(dwError, MDB_KEYEXIST, ERROR_BACKEND_CONSTRAINT, pBECtx, "CreateEIDIndex");
BAIL_ON_VMDIR_ERROR( dwError );
}
cleanup:
VMDIR_SAFE_FREE_MEMORY( encodedEntry.lberbv.bv_val );
return dwError;
error:
// TODO set pBECtx->pszBEErrorMsg?
VMDIR_LOG_ERROR( LDAP_DEBUG_BACKEND, "BEAddEntry DN (%s), (%u)(%s)", VDIR_SAFE_STRING(pEntry->dn.lberbv.bv_val),
dwError, VDIR_SAFE_STRING(pBECtx->pszBEErrorMsg));
VMDIR_SET_BACKEND_ERROR(dwError); // if dwError no in BE space, set to ERROR_BACKEND_ERROR
goto cleanup;
}
/* MdbModifyEntry: Updates an entry in the MDB DBs.
*
* Returns: BE error codes.
*
*/
DWORD
VmDirMDBModifyEntry(
PVDIR_BACKEND_CTX pBECtx,
VDIR_MODIFICATION* pMods,
PVDIR_ENTRY pEntry
)
{
DWORD dwError = 0;
VDIR_BERVALUE newEncodedEntry = VDIR_BERVALUE_INIT;
VDIR_MODIFICATION * mod = NULL;
PVDIR_DB_TXN pTxn = NULL;
assert( pBECtx && pBECtx->pBE && pBECtx->pBEPrivate && pMods && pEntry );
pTxn = (PVDIR_DB_TXN)pBECtx->pBEPrivate;
dwError = VmDirEncodeEntry( pEntry, &newEncodedEntry );
BAIL_ON_VMDIR_ERROR(dwError);
pEntry->encodedSize = newEncodedEntry.lberbv.bv_len;
VMDIR_SAFE_FREE_MEMORY( pEntry->encodedEntry );
// entry takes over the responsibility to free newEncodedEntry.lberbv.bv_val
pEntry->encodedEntry = (unsigned char *)newEncodedEntry.lberbv.bv_val;
// Delete child from the parentId index
if (pEntry->newpdn.lberbv.bv_len)
{
dwError = MDBDeleteParentIdIndex( pBECtx, &(pEntry->pdn), pEntry->eId );
BAIL_ON_VMDIR_ERROR(dwError);
}
// Create/Delete appropriate indices for DN first in case DN is already in use
for (mod = pMods; mod != NULL; mod = mod->next)
{
if (mod->ignore)
{
continue;
}
if (VmDirStringCompareA(mod->attr.type.lberbv.bv_val, ATTR_DN, FALSE) == 0)
{
switch (mod->operation)
{
case MOD_OP_ADD:
if ((dwError = MdbUpdateIndicesForAttr( pBECtx->pBE, pTxn, &(pEntry->dn), &(mod->attr.type), mod->attr.vals, mod->attr.numVals,
pEntry->eId, BE_INDEX_OP_TYPE_CREATE)) != 0)
{
dwError = MDBToBackendError( dwError, MDB_KEYEXIST, ERROR_BACKEND_CONSTRAINT, pBECtx,
VDIR_SAFE_STRING(mod->attr.type.lberbv.bv_val));
BAIL_ON_VMDIR_ERROR( dwError );
}
break;
case MOD_OP_DELETE:
if ((dwError = MdbUpdateIndicesForAttr( pBECtx->pBE, pTxn, &(pEntry->dn), &(mod->attr.type), mod->attr.vals, mod->attr.numVals,
pEntry->eId, BE_INDEX_OP_TYPE_DELETE )) != 0)
{
dwError = MDBToBackendError(dwError, 0, ERROR_BACKEND_ERROR, pBECtx,
VDIR_SAFE_STRING(mod->attr.type.lberbv.bv_val));
BAIL_ON_VMDIR_ERROR( dwError );
}
break;
case MOD_OP_REPLACE:
default:
assert( FALSE );
}
if ((dwError = MdbUpdateAttrMetaData( pBECtx->pBE, pTxn, &(mod->attr), pEntry->eId, BE_INDEX_OP_TYPE_UPDATE )) != 0)
{
dwError = MDBToBackendError(dwError, 0, ERROR_BACKEND_ERROR, pBECtx,
VDIR_SAFE_STRING(mod->attr.type.lberbv.bv_val));
BAIL_ON_VMDIR_ERROR( dwError );
}
}
}
// Create/Delete appropriate indices for DN
for (mod = pMods; mod != NULL; mod = mod->next)
{
if (mod->ignore)
{
continue;
}
if (VmDirStringCompareA(mod->attr.type.lberbv.bv_val, ATTR_DN, FALSE) != 0)
{
switch (mod->operation)
{
case MOD_OP_ADD:
if ((dwError = MdbUpdateIndicesForAttr( pBECtx->pBE, pTxn, &(pEntry->dn), &(mod->attr.type), mod->attr.vals, mod->attr.numVals,
pEntry->eId, BE_INDEX_OP_TYPE_CREATE)) != 0)
{
dwError = MDBToBackendError( dwError, MDB_KEYEXIST, ERROR_BACKEND_CONSTRAINT, pBECtx,
VDIR_SAFE_STRING(mod->attr.type.lberbv.bv_val));
BAIL_ON_VMDIR_ERROR( dwError );
}
break;
case MOD_OP_DELETE:
if ((dwError = MdbUpdateIndicesForAttr( pBECtx->pBE, pTxn, &(pEntry->dn), &(mod->attr.type), mod->attr.vals, mod->attr.numVals,
pEntry->eId, BE_INDEX_OP_TYPE_DELETE )) != 0)
{
dwError = MDBToBackendError(dwError, 0, ERROR_BACKEND_ERROR, pBECtx,
VDIR_SAFE_STRING(mod->attr.type.lberbv.bv_val));
BAIL_ON_VMDIR_ERROR( dwError );
}
break;
case MOD_OP_REPLACE:
default:
assert( FALSE );
}
if ((dwError = MdbUpdateAttrMetaData( pBECtx->pBE, pTxn, &(mod->attr), pEntry->eId, BE_INDEX_OP_TYPE_UPDATE )) != 0)
{
dwError = MDBToBackendError(dwError, 0, ERROR_BACKEND_ERROR, pBECtx,
VDIR_SAFE_STRING(mod->attr.type.lberbv.bv_val));
BAIL_ON_VMDIR_ERROR( dwError );
}
}
}
// Update Entry DB.
if ((dwError = MdbCreateEIDIndex(pBECtx->pBE, pTxn, pEntry->eId, &newEncodedEntry, FALSE /* update current eId key */)) != 0)
{
dwError = MDBToBackendError(dwError, 0, ERROR_BACKEND_ERROR, pBECtx, "CreateEIDIndex");
BAIL_ON_VMDIR_ERROR( dwError );
}
if (pEntry->newpdn.lberbv.bv_len)
{
if ((dwError = MDBCreateParentIdIndex(pBECtx, &(pEntry->newpdn), pEntry->eId)) != 0)
{
dwError = MDBToBackendError(dwError, ERROR_BACKEND_ENTRY_NOTFOUND,
ERROR_BACKEND_PARENT_NOTFOUND, pBECtx, "CreateParentIdIndex");
BAIL_ON_VMDIR_ERROR( dwError );
}
}
cleanup:
return dwError;
error:
VMDIR_SET_BACKEND_ERROR(dwError); // if dwError no in BE space, set to ERROR_BACKEND_ERROR
VMDIR_LOG_ERROR(LDAP_DEBUG_BACKEND,
"ModifyEntry failed: error=%d,DN=%s", dwError, VDIR_SAFE_STRING(pEntry->dn.lberbv.bv_val));
goto cleanup;
}
