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windows-nt/Source/XPSP1/NT/base/fs/dfs/dfsm/server/idfsvol.cxx
CryptoAlgo Inc b3cac27891 Add source files
2020-09-26 16:20:57 +08:00

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//+-------------------------------------------------------------------------
//
// File: idfsvol.cxx
//
// Contents: Implementation of IDfsVolume interface. This interface
// supports the administrative functions on DFS.
//
//--------------------------------------------------------------------------
//#include <ntos.h>
//#include <ntrtl.h>
//#include <nturtl.h>
//#include <dfsfsctl.h>
//#include <windows.h>
#include "headers.hxx"
#pragma hdrstop
#include "dfsmsrv.h"
#include "dfsm.hxx"
#include "cdfsvol.hxx"
#include "jnpt.hxx"
#include "dfsmwml.h"
VOID
ComputeNewEntryPath(
PWCHAR oldPath,
PWCHAR newPath,
PWCHAR childPath,
PWCHAR *childNewPath
);
NTSTATUS
MoveFileOrJP(
IN PCWSTR pwszSrcName,
IN PCWSTR pwszTgtName
);
//+-------------------------------------------------------------------------
//
// Method: AddReplicaToObj, private
//
// Synopsis: This method adds a replica info structure to the volume
// object and returns after that.
//
// Arguments: [pReplicaInfo] -- The ReplicaInfo structure.
//
//--------------------------------------------------------------------------
DWORD
CDfsVolume::AddReplicaToObj(
PDFS_REPLICA_INFO pReplicaInfo
)
{
DWORD dwErr = ERROR_SUCCESS;
CDfsService *pService = NULL;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::AddReplicaToObj()\n"));
//
// First before we even set recoveryProperties we want to make sure
// that this service does not already exist in the ServiceList.
//
if ((dwErr == ERROR_SUCCESS) &&
(_DfsSvcList.GetService(pReplicaInfo, &pService) == ERROR_SUCCESS)) {
dwErr = NERR_DfsDuplicateService;
}
if (dwErr == ERROR_SUCCESS) {
//
// Argument validation also takes place right in this constructor.
// Also the ServiceName etc. gets converted to an ORG based name in
// the constructor. So we dont need to worry about that at all.
//
pService = new CDfsService(pReplicaInfo, TRUE, &dwErr);
if (pService == NULL)
dwErr = ERROR_OUTOFMEMORY;
}
if (dwErr == ERROR_SUCCESS) {
//
// Set the new service properties on the volume object. This method
// will return an error code if the service already exists on the
// volume object. No explicit checking need be done here.
//
if (dwErr == ERROR_SUCCESS) {
pService->SetCreateTime();
dwErr = _DfsSvcList.SetNewService(pService);
if (dwErr != ERROR_SUCCESS) {
IDfsVolInlineDebOut((
DEB_ERROR, "Failed to Set new replica %08lx\n",dwErr));
}
}
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::AddReplicaToObj() exit\n"));
return(dwErr);
}
//+-------------------------------------------------------------------------
//
// Member: CDfsVolume::AddReplica, public
//
// Synopsis: This function associates a new service with an existing
// Volume Object. A new service is defined by the ServiceName,
// StorageId, Type of Service, and sometimes an AddressQualifier.
// For this operation to succeed the service being added should
// be available. Unavailability of the service will result in
// failure of this method. This operation will be atomic as far
// as all information on the DC is concerned. Either the operation
// will succeed or no irrelevant information will be left on the
// DC. However, there are no guarantees made regarding the state
// of the service involved in the face of Network Failures and
// remote service crashes etc. If you attempt to add the same
// service name again it will return an error.
//
// Arguments: [pReplicaInfo] -- The ServiceInfo here. Look at docs for details
//
// Returns: ERROR_SUCCESS -- If the operation succeeded.
//
// ERROR_OUTOFMEMORY -- Unable to allocate memory for operation.
//
// NERR_DfsVolumeIsOffline -- The volume is offline, can't do
// AddReplica operation on it.
//
// NERR_DfsDuplicateService --
// If the service already exists on this volume.
//
// NERR_DfsVolumeDataCorrupt --
// If the volume object to which this
// service is being added is corrupt.
//
//--------------------------------------------------------------------------
DWORD
CDfsVolume::AddReplica(
PDFS_REPLICA_INFO pReplicaInfo,
ULONG fCreateOptions
)
{
DWORD dwErr = ERROR_SUCCESS;
PWCHAR ErrorStrs[3];
CDfsService *pService = NULL;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::AddReplica()\n"));
#if DBG
if (DfsSvcVerbose)
DbgPrint("CDfsVolume::AddReplica(%ws,%ws,0x%x)\n",
pReplicaInfo->pwszServerName,
pReplicaInfo->pwszShareName);
#endif
if (_State == DFS_VOLUME_STATE_OFFLINE) {
#if DBG
if (DfsSvcVerbose)
DbgPrint("CDfsVolume::AddReplica exit NERR_DfsVolumeIsOffline\n");
#endif
return( NERR_DfsVolumeIsOffline );
}
//
// First before we even set recoveryProperties we want to make sure
// that this service does not already exist in the ServiceList.
//
if (_DfsSvcList.GetService(pReplicaInfo, &pService) == ERROR_SUCCESS) {
#if DBG
if (DfsSvcVerbose)
DbgPrint("CDfsVolume::AddReplica: returning NERR_DfsDuplicateService\n");
#endif
pService = NULL; // So we don't try to delete
dwErr = NERR_DfsDuplicateService; // it later...
}
if (dwErr == ERROR_SUCCESS) {
//
// Argument validation also takes place right in this constructor.
// Also the ServiceName etc. gets converted to an ORG based name in
// the constructor. So we dont need to worry about that at all.
//
pService = new CDfsService(pReplicaInfo, TRUE, &dwErr);
if (pService == NULL)
dwErr = ERROR_OUTOFMEMORY;
}
if (dwErr == ERROR_SUCCESS) {
pService->SetCreateTime();
RECOVERY_TEST_POINT(L"AddReplica", 1);
//
// This is where we want to do some STATE changes. Register the
// intent of doing an AddReplicaoperation and mention the service
// name and record that we are in the Start State. RECOVERY
// If we cant set recovery props then something is really wrong.
// The following constructor will throw an exception and we will
// deal with it appropriately.
//
dwErr = _Recover.SetOperationStart(
DFS_RECOVERY_STATE_ADD_SERVICE,
pService);
RECOVERY_TEST_POINT(L"AddReplica", 2);
//
// Set the new service properties on the volume object. This method
// will return an error code if the service already exists on the
// volume object. No explicit checking need be done here.
//
if (dwErr == ERROR_SUCCESS) {
dwErr = _DfsSvcList.SetNewService(pService);
}
if (dwErr != ERROR_SUCCESS) {
//
// 433532, SetNewService already deletes pservice in case of
// failure. Dont use pservice, and set it to NULL so it does
// not get freed twice!
pService = NULL;
//LogMessage( DEB_TRACE,
// &(pService->GetServiceName()),
// 1,
// DFS_CANNOT_SET_SERVICE_PROPERTY_MSG);
}
}
if (dwErr == ERROR_SUCCESS) {
//
// Now we need to change the state to UpdatedSvcList RECOVERY
//
RECOVERY_TEST_POINT(L"AddReplica", 3);
_Recover.SetOperStage(DFS_OPER_STAGE_SVCLIST_UPDATED);
RECOVERY_TEST_POINT(L"AddReplica", 4);
//
// Let us now ask the remote machine to create a local volume.
// If we fail to do this for ANY reason, we fail the operation.
//
dwErr = pService->CreateLocalVolume(&_peid, _EntryType);
//
// If we failed, it might be because the server's state is not
// consistent with our state. See if this is the case, and
//
//
// If we failed we need to delete the entry from the serviceList.
// We have to use the servicename from the DfsSvc class since that
// is the ORG based name. If we get an error here as well then
// we will return that error (dwErr2) since it becomes more relevant
// suddenly. Else we will return the error we got above from
// CreateLocalVolume which will be returning a proper error to us.
//
if (dwErr != ERROR_SUCCESS) {
DWORD dwErr2 = _DfsSvcList.DeleteService(pService, FALSE);
PWCHAR ErrorStrs[1];
ErrorStrs[0] = (pService->GetServiceName());
if (dwErr2 != ERROR_SUCCESS) {
LogMessage( DEB_ERROR,
ErrorStrs,
1,
DFS_CANNOT_DELETE_SERVICE_PROPERTY_MSG);
dwErr = NERR_DfsVolumeDataCorrupt;
} else {
//
// DeleteService() deleted this instance for us, so set the
// pointer to NULL
//
pService = NULL;
}
}
} //CreateLocalVolumeDone OR FAILED.
//
// Now we set state to DONE on vol object. It is of no concern whether
// the operation succeeded or failed.
//
RECOVERY_TEST_POINT(L"AddReplica", 5);
_Recover.SetOperationDone();
if (dwErr == ERROR_SUCCESS) {
//
// Now we update the PKT with the new service. We get an
// appropriate Error Code from UpdatePktEntry.
//
dwErr = UpdatePktEntry(NULL);
if (dwErr != ERROR_SUCCESS) {
//
// Why should this fail at all.
// An EVENT here too maybe.
//
LogMessage( DEB_ERROR,
&(_peid.Prefix.Buffer),
1,
DFS_FAILED_UPDATE_PKT_MSG);
IDfsVolInlineDebOut((DEB_ERROR, "UpdPktEntFailed %08lx\n", dwErr));
ASSERT(L"UpdatePktEntry Failed in AddService - WHY?");
}
} //UpdatePktEntry Block.
if (dwErr != ERROR_SUCCESS) {
_Recover.SetOperationDone();
if (pService != NULL)
delete pService;
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::AddReplica() exit\n"));
#if DBG
if (DfsSvcVerbose)
DbgPrint("CDfsVolume::AddReplica exit %d\n", dwErr);
#endif
return(dwErr);
}
//+----------------------------------------------------------------------------
//
// Member: CDfsVolume::RemoveReplicaFromObj, public
//
// Synopsis: This operation removes a replica from a volume object and
// returns after that.
//
// Arguments: [pwszServiceName] -- Name of server to remove
//
// Returns:
//
//-----------------------------------------------------------------------------
DWORD
CDfsVolume::RemoveReplicaFromObj(
IN LPWSTR pwszServiceName)
{
DWORD dwErr;
CDfsService *pSvc;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::RemoveReplicaFromObj(%ws)\n", pwszServiceName));
dwErr = _DfsSvcList.GetServiceFromPrincipalName( pwszServiceName, &pSvc );
if (dwErr == ERROR_SUCCESS) {
//
// See if this is the last service. In that case, we cannot
// permit anyone to delete it.
//
if (_DfsSvcList.GetServiceCount() == 1) {
dwErr = NERR_DfsCantRemoveLastServerShare;
}
//
// Now delete the service from the service list
//
dwErr = _DfsSvcList.DeleteService(pSvc);
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::RemoveReplicaFromObj() exit\n"));
return( dwErr );
}
//+-------------------------------------------------------------------------
//
// Member: CDfsVolume::RemoveReplica, public
//
// Synopsis: This operation dissociates a service from a volume in the DFS
// namespace. On the DC this merely involves modifying the service
// List on the Volume object. At the same time the service involved
// has to be notified of this change. This operation will fail if
// for some reason the service refuses to delete its knowledge
// regarding this volume or if there are network failures
// during this operation. Of course if we fail the operation due
// to Network failures note the fact that the operation at the
// remote service might have succeeded and network failed after
// that - in which case we may have an INCONSISTENCY (very easy to
// detect this one).
//
// Arguments: [pwszServiceName] -- The name of the service to be deleted
// from the volume object.
//
// Returns: DFS_S_SUCCESS -- If the operation succeeded.
//
// NERR_DfsNoSuchShare -- If the specified server\share is not
// a service for this volume.
//
// NERR_DfsCantRemoveLastServerShare -- If the specified
// server\share is the only service for this volume.
//
// NERR_DfsVolumeDataCorrupt -- If the volume object could not
// be read.
//
//--------------------------------------------------------------------------
DWORD
CDfsVolume::RemoveReplica(
PDFS_REPLICA_INFO pReplicaInfo,
ULONG fDeleteOptions
)
{
DWORD dwErr = ERROR_SUCCESS;
DWORD dwErr2 = ERROR_SUCCESS;
PWCHAR orgServiceName = NULL;
CDfsService *pDfsSvc;
PWCHAR ErrorStrs[3];
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::RemoveReplica()\n"));
dwErr = _DfsSvcList.GetService(pReplicaInfo, &pDfsSvc);
if (dwErr != ERROR_SUCCESS) {
LogMessage( DEB_TRACE,
nullPtr,
0,
DFS_SERVICE_DOES_NOT_EXIST_MSG);
}
if (dwErr == ERROR_SUCCESS &&
_EntryType & DFS_VOL_TYPE_REFERRAL_SVC &&
!(_EntryType & DFS_VOL_TYPE_INTER_DFS)) {
dwErr = NERR_DfsCantRemoveDfsRoot;
}
if (dwErr == ERROR_SUCCESS) {
//
// See if this is the last service. In that case, we cannot
// permit anyone to delete it.
//
if (_DfsSvcList.GetServiceCount() == 1) {
dwErr = NERR_DfsCantRemoveLastServerShare;
}
}
if (dwErr != ERROR_SUCCESS) {
return(dwErr);
}
if (dwErr == ERROR_SUCCESS) {
//
// Next we register the intent to delete a specific service by
// marking the ServiceName on the object. RECOVERY.
//
RECOVERY_TEST_POINT(L"RemoveReplica", 1);
dwErr = _Recover.SetOperationStart(DFS_RECOVERY_STATE_REMOVE_SERVICE,
pDfsSvc);
RECOVERY_TEST_POINT(L"RemoveReplica", 2);
//
// Now that we know that such a service is actually registered.
// Let us request the remote service to delete LVOL knowledge.
//
if (dwErr == ERROR_SUCCESS) {
dwErr = pDfsSvc->DeleteLocalVolume(&_peid);
}
if (dwErr != ERROR_SUCCESS) {
//
// We assume that if we got an error here we are in big trouble
// and we back out the operation infact. The DeleteLocalVolume
// method would have already taken care of filtering out the
// relevant errors for us.
//
LogMessage( DEB_TRACE,
&(_peid.Prefix.Buffer),
1,
DFS_DELETE_VOLUME_FAILED_MSG);
//
// Since we got this error we assume that we could not find
// the service. However, that need not be the reason at all.
// Raid: 455283. Need to resolve this later on.
//
dwErr = NERR_DfsNoSuchShare;
}
}
if ((dwErr == ERROR_SUCCESS) || (fDeleteOptions & DFS_OVERRIDE_FORCE)) {
//
// Now we write out RecoveryState to DFS_OPER_STAGE_INFORMED_SERVICE
//
RECOVERY_TEST_POINT(L"RemoveReplica", 3);
_Recover.SetOperStage(DFS_OPER_STAGE_INFORMED_SERVICE);
RECOVERY_TEST_POINT(L"RemoveReplica", 4);
//
// Now write out the new service list
//
dwErr2 = _DfsSvcList.DeleteService(pDfsSvc);
if (dwErr2 != ERROR_SUCCESS) {
//
// This should never happen. We probably had some security
// problems. Do we now go and back out the Previous Step. Raid 455283
//
ErrorStrs[1] = pDfsSvc->GetServiceName();
ErrorStrs[0] = _peid.Prefix.Buffer;
LogMessage( DEB_ERROR,
ErrorStrs,
2,
DFS_CANNOT_DELETE_SERVICE_PROPERTY_MSG);
ASSERT(L"Deleting and existing service FAILED in RemRepl");
}
}
//
// Done. The operation is committed if the last stage of deleting
// service succeeded, else we dont want to remove the recovery property.
// If we never got to the last stage of DeleteService dwErr2 will be
// ERROR_SUCCESS.
//
RECOVERY_TEST_POINT(L"RemoveReplica", 5);
if (dwErr2 == ERROR_SUCCESS)
_Recover.SetOperationDone();
if ((dwErr == ERROR_SUCCESS) || (fDeleteOptions & DFS_OVERRIDE_FORCE)) {
//
// Now update the PKT as well.
//
dwErr = UpdatePktEntry(NULL);
if (dwErr != ERROR_SUCCESS) {
//
// Something is really messed up if we got here.
//
LogMessage(DEB_ERROR, nullPtr, 0, DFS_FAILED_UPDATE_PKT_MSG);
IDfsVolInlineDebOut((DEB_ERROR,
"UpdPktEntry in RemRepl failed %08lx\n", dwErr));
ASSERT(L"UpdatePktEntry in RemoveRepl failed\n");
}
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::RemoveReplica() exit\n"));
return(dwErr);
}
//+-------------------------------------------------------------------------
//
// Member: CDfsVolume::Delete, public
//
// Synopsis: This method deletes the volume object and deletes all knowledge
// of this volume at all the services that were supporting this
// volume in the namespace. At the same time the exit point at the
// parent volume is deleted. All of the services that support this
// volume are also advised to delete all information regarding this
// volume. There is an additional restriction that there should
// be only one service associated with a volume to be able to call
// method. This operation has problems due to its distributed
// nature. The moment the service supporting this volume has been
// informed to delete its local volume knowledge this operation is
// committed. In the case of Network failures while talking to one
// of the services involved, this operation continues to go on. If
// any such errors are encountered they are reported to the caller
// though the operation is declared to be a success. Note that this
// operation does not delete the storage and has nothing to do with
// that aspect. By not confirming the deletion of all ExitPoint
// info anywhere this operation can directly introduce an
// inconsistency of TOO MANY EXIT Points. This inconsistency is
// well understood and easy to deal with.
//
// Arguments: None
//
// Returns: DFS_S_SUCCESS -- If all went well.
//
// NERR_DfsNotALeafVolume --
// An attempt was made to delete a volume which
// has child volumes and hence the operation failed
//
// NERR_DfsVolumeDataCorrupt --
// The volume object seems to be corrupt due to
// which this operation cannot proceed at all.
//
// NERR_DfsVolumeHasMultipleServers --
// This operation will not succeed if there is
// more than one service assoicated with the vol.
//
//--------------------------------------------------------------------------
DWORD
CDfsVolume::Delete(
ULONG fDeleteOptions)
{
DWORD dwErr = ERROR_SUCCESS;
CDfsVolume *parent = NULL;
BOOLEAN InconsistencyPossible = FALSE;
BOOLEAN ParentInconsistency = FALSE;
CDfsService *pDfsSvc;
ULONG rState = 0;
ULONG count = 0;
PWCHAR ErrorStrs[3];
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::Delete()\n"));
if (NotLeafVolume())
dwErr = NERR_DfsNotALeafVolume;
//
// We want to make sure that this is not the root volume
//
if (dwErr == ERROR_SUCCESS &&
_EntryType & DFS_VOL_TYPE_REFERRAL_SVC &&
!(_EntryType & DFS_VOL_TYPE_INTER_DFS)) {
dwErr = NERR_DfsCantRemoveDfsRoot;
}
//
// We next want to make sure that there is only one service associated
// with this volume else we will fail this operation right now.
//
if (dwErr == ERROR_SUCCESS)
if (_DfsSvcList.GetServiceCount()>1)
dwErr = NERR_DfsVolumeHasMultipleServers;
if (dwErr != ERROR_SUCCESS) {
return(dwErr);
}
if(dwErr == ERROR_SUCCESS) {
//
// we are going to need to talk with the parent once the
// child is gone, so we get a handle to it now.
// If we fail to bind to parent. Then it probably means that
// this is a top level volume object and hence cannot be deleted.
// We return the error to the caller.
//
dwErr = GetParent(&parent);
if (dwErr != ERROR_SUCCESS) {
LogMessage(DEB_TRACE, nullPtr, 0, DFS_CANT_GET_PARENT_MSG);
dwErr = NERR_DfsVolumeDataCorrupt;
}
}
if (dwErr != ERROR_SUCCESS) {
return(dwErr);
}
if (dwErr == ERROR_SUCCESS) {
//
// Before we take off on our operation. We should setup the
// State variable on the Volume object indicating that we are
// deleting this volume from the namespace.
//
RECOVERY_TEST_POINT(L"DeleteVolume", 1);
dwErr = _Recover.SetOperationStart(DFS_RECOVERY_STATE_DELETE, NULL);
RECOVERY_TEST_POINT(L"DeleteVolume", 2);
//
// Now we inform the service to delete its LocalVolume knowledge.
//
if (dwErr == ERROR_SUCCESS) {
pDfsSvc = _DfsSvcList.GetFirstService();
if (pDfsSvc != NULL) {
dwErr = pDfsSvc->DeleteLocalVolume(&_peid);
//
// If we got an error here, we dont really want to go on??
//
// When we move to DWORDs we might want to return exactly
// which service did not get updated etc.
//
}
}
}
if ((dwErr == ERROR_SUCCESS) || (fDeleteOptions & DFS_OVERRIDE_FORCE)) {
//
// Now we set Recovery State to new value if we have informed
// all related services.
//
RECOVERY_TEST_POINT(L"DeleteVolume", 3);
_Recover.SetOperStage(DFS_OPER_STAGE_INFORMED_SERVICE);
RECOVERY_TEST_POINT(L"DeleteVolume", 4);
//
// We need to tell each service of the parent volume to delete the
// exit point. I think at this point we have to force the operation
// through. Even if we are not able to delete some exit points it
// is OK. We will return a success error code but will indicate
// that there could potentially be a possible inconsistency in the
// parent volume's knowledge.
//
pDfsSvc = parent->_DfsSvcList.GetFirstService();
while (pDfsSvc != NULL) {
//
// Ignore error codes from this. We dont care if we cant
// make some machine to delete the exit point.
// The possible things that could happen here are that the
// remote machine will say that it cannot delete the exit
// point since the GUIDs dont match OR the exit point does
// not exist (It got deleted due to reconciliation) or
// Network failures themselves. In all cases we dont care.
// We will return a status code which indicates that one
// of the parent services misbehaved and admin needs to
// make sure that nothing is wrong.
//
dwErr = pDfsSvc->DeleteExitPoint(&_peid, _EntryType);
if (dwErr != ERROR_SUCCESS) {
PWCHAR ErrorStrs[1];
ParentInconsistency = TRUE;
ErrorStrs[0] = pDfsSvc->GetServiceName();
LogMessage(DEB_ERROR,
ErrorStrs,
1,
DFS_CANT_DELETE_EXIT_POINT_MSG);
IDfsVolInlineDebOut((DEB_ERROR,
"ErrorCode from DeleteExitPoint %08lx\n",
dwErr));
}
dwErr = ERROR_SUCCESS;
pDfsSvc = parent->_DfsSvcList.GetNextService(pDfsSvc);
}
}
//
// We want to get rid of the parent pointer if we no longer need it.
//
if (parent != NULL) {
parent->Release();
parent = NULL;
}
//
// If the operation failed we want to set the properties to done else
// we are anyway going to go in and delete this object itself.
//
RECOVERY_TEST_POINT(L"DeleteVolume", 5);
if (dwErr != ERROR_SUCCESS) {
_Recover.SetOperationDone();
}
//
// If we successfully managed to do the deletion then we go ahead
// and delete the volume object from disk. Note that even if
// Network failures occur while talking to each of the services
// above we will go on. Once this deletion happens the operation is
// commited. Updating the PKT is not a part of the commit point.
//
if ((dwErr == ERROR_SUCCESS) || (fDeleteOptions & DFS_OVERRIDE_FORCE)) {
DeleteObject();
//
// We need to make this instance of the VolumeObject invalid or
// so that no one can do any more operations on this volume.
//
_Deleted = TRUE;
}
//
// Now we go and update the PKT with the deletion information.
// Once again we ignore errors here except to return an
// INCONSISTENCY status code.
//
if ((dwErr == ERROR_SUCCESS) || (fDeleteOptions & DFS_OVERRIDE_FORCE)) {
dwErr = DeletePktEntry(&_peid);
if (dwErr != ERROR_SUCCESS) {
LogMessage(
DEB_ERROR, &(_peid.Prefix.Buffer), 1,
DFS_CANT_DELETE_ENTRY_MSG);
IDfsVolInlineDebOut((
DEB_ERROR, "DelPktEnt Failed%08lx\n", dwErr));
ASSERT(L"DeletePktEntry Failed in Deletion of Volume");
dwErr = ERROR_SUCCESS;
}
}
if (parent != NULL)
parent->Release();
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::Delete() exit\n"));
return( dwErr );
}
//+-------------------------------------------------------------------------
//
// Method: CDfsVolume::CreateChildX, public
//
// Synopsis: This is one way of creating new volume objects.
// This operation involves the creation of the volume object,
// Updating the parent's knowledge regarding the new exit point
// and creating the exit point. The parent volume could have
// multiple replicas. In this case all the replicas are informed
// of the changes and are advised to create the relevant knowledge.
// This operation will roll back in the event of a failure during
// the operation before it is complete. If all of the parent's
// cannot create the exit point information then this operation
// will not proceed. Every attempt will be made to delete all
// information that was created on other replicas but no guarantees
// are made about this. However, all local knowledge will be
// deleted and knowledge synchronisation is supposed to eliminate
// any problems that might have arised because of inconsistencies
// created by this operation.
//
// Arguments: [pwszChildName] -- The last component of child Vol object Name.
//
// [pwszEntryPath] -- The entry path for the new volume in the namespace
//
// [ulVolType] -- The type of the volume.
// Values in the IDL file for this interface.
//
// [pChild] -- This is where the IDfsVolume reference is
// returned to caller.
//
// [pComment] -- Comment for this volume.
//
// Returns: ERROR_SUCCESS -- If the operation succeeded with NO problems.
//
// ERROR_INVALID_PARAMETER -- The child volume's prefix is not
// hierarchically subordinate to this volume's prefix.
//
// NERR_DfsVolumeIsInterDfs -- The volume is an inter-dfs one;
// can't create a child volume.
//
// NERR_DfsNotSupportedInServerDfs -- Can't have more than one
// level of hierarchy in Server Dfs.
//
// NERR_DfsLeafVolume -- This is a downlevel or leaf volume,
// can't create a child here.
//
// NERR_DfsCantCreateJunctionPoint -- Unable to create a
// junction point on any of the server-shares
//
//--------------------------------------------------------------------------
DWORD
CDfsVolume::CreateChildX(
WCHAR * childName,
WCHAR * pwszPrefix,
ULONG ulVolType,
LPWSTR pwszComment,
CDfsVolume **ppChild)
{
DWORD dwErr = ERROR_SUCCESS;
CDfsVolume *pChild = NULL;
CDfsService *pDfsSvc = NULL;
BOOLEAN CreatedExitPt = FALSE;
BOOLEAN InconsistencyPossible = FALSE;
PWCHAR pwszSuffix = NULL;
PWCHAR ErrorStrs[3];
ULONG ulen = 0;
LPWSTR wszChildShortName;
BOOLEAN GotShortName = FALSE;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::CreateChildX(%ws,%ws,0x%x,%s)\n",
childName, pwszPrefix, ulVolType, pwszComment));
#if DBG
if (DfsSvcVerbose)
DbgPrint("DfsVolume::CreateChildX(%ws,%ws,0x%x,%ws)\n",
childName,
pwszPrefix,
ulVolType,
pwszComment);
#endif
//
// Check for validity of Type field and for LEAF volume etc. Only the
// allowed TypeBits should be set and also one of the Three required Types
// bits should be set.
//
//
// We check to make sure that the prefix of the child volume meets
// our heirarchy requirements. It must be strictly a child of this
// volume's prefix, and must not cross inter-dfs boundaries.
//
if (dwErr == ERROR_SUCCESS) {
if (_EntryType & DFS_VOL_TYPE_INTER_DFS) {
dwErr = NERR_DfsVolumeIsInterDfs;
} else if (ulDfsManagerType == DFS_MANAGER_SERVER &&
((_EntryType & DFS_VOL_TYPE_REFERRAL_SVC) == 0)) {
dwErr = NERR_DfsVolumeAlreadyExists;
#if DBG
if (DfsSvcVerbose)
DbgPrint("CDfsVolume::CreateChildX: dwErr = NERR_DfsVolumeAlreadyExists\n");
#endif
} else if (_wcsnicmp(_peid.Prefix.Buffer, pwszPrefix,
wcslen(_peid.Prefix.Buffer)) != 0) {
dwErr = ERROR_INVALID_PARAMETER;
#if DBG
if (DfsSvcVerbose) {
DbgPrint("CDfsVolume::CreateChildX(1): [%ws]!=[%ws] (1st %d chars)\n",
_peid.Prefix.Buffer,
pwszPrefix,
wcslen(_peid.Prefix.Buffer));
DbgPrint("CDfsVolume::CreateChildX(1): dwErr = ERROR_INVALID_PARAMETER\n");
}
#endif
} else {
//
// In this case we want to make sure that the new EntryPath
// is also greater than the entrypath for this volume, and that
// it is a valid Win32 Path name
//
LPWSTR wszExitPath = &pwszPrefix[_peid.Prefix.Length/sizeof(WCHAR)];
if (wcslen(pwszPrefix) <= wcslen(_peid.Prefix.Buffer)) {
if (_wcsicmp(pwszPrefix,_peid.Prefix.Buffer) == 0) {
dwErr = NERR_DfsVolumeAlreadyExists;
} else {
dwErr = ERROR_INVALID_PARAMETER;
}
#if DBG
if (DfsSvcVerbose) {
DbgPrint("CDfsVolume::CreateChildX(2): dwErr = %d\n");
DbgPrint(" pwszPrefix=[%ws],_peid.Prefix.Buffer=[%ws]\n",
pwszPrefix,
_peid.Prefix.Buffer);
}
#endif
} else if (!IsValidWin32Path( wszExitPath )) {
dwErr = ERROR_BAD_PATHNAME;
#if DBG
if (DfsSvcVerbose)
DbgPrint("CDfsVolume::CreateChildX: dwErr = ERROR_BAD_PATHNAME\n");
#endif
}
}
}
if (dwErr == ERROR_SUCCESS) {
//
// We first try to create the volume object. So that we can use
// it to go about our state management stuff for recovery purposes.
// It automatically sets recoveryState to being OPER_START etc.
// It will also set a NULL service list for now. This method will
// also pick a GUID for us. We dont need to pass it one.
//
dwErr = CreateChildPartition(
childName,
ulVolType,
pwszPrefix,
pwszComment,
NULL,
NULL,
&pChild);
if (dwErr != ERROR_SUCCESS) {
IDfsVolInlineDebOut((
DEB_ERROR, "Unable to create child %ws\n under : %ws\n",
pwszPrefix, _peid.Prefix.Buffer));
}
}
if (dwErr == ERROR_SUCCESS) {
RECOVERY_TEST_POINT(L"CreateChildX", 1);
//
// We next try to create exit points on each of the services for
// the parent volume. However, we need to create an exit point on
// only one of the services for the parent volume. We rely on
// Replication to reconcile everything to other machines.
//
pDfsSvc = _DfsSvcList.GetFirstService();
while (pDfsSvc!=NULL) {
dwErr = pDfsSvc->CreateExitPoint(
&(pChild->_peid),
ulVolType);
if (dwErr == ERROR_SUCCESS) {
//
// This would have updated the short name. Save it...
//
CreatedExitPt = TRUE;
if (!GotShortName) {
DWORD dwErrUpdatedShortName;
dwErrUpdatedShortName = pChild->SaveShortName();
if (dwErrUpdatedShortName == ERROR_SUCCESS) {
GotShortName = TRUE;
IDfsVolInlineDebOut((
DEB_TRACE, "Setting short name to: %ws\n",
pChild->_peid.ShortPrefix.Buffer));
} else {
IDfsVolInlineDebOut((
DEB_ERROR, "Error %08lx setting short name\n",
dwErrUpdatedShortName));
}
}
} else {
InconsistencyPossible = TRUE;
IDfsVolInlineDebOut((
DEB_ERROR, "Failed to CreateExPt %08lx %ws\n",
dwErr, pChild->_peid.Prefix.Buffer));
}
dwErr = ERROR_SUCCESS;
pDfsSvc = _DfsSvcList.GetNextService(pDfsSvc);
}
//
// If we did create an exit point on atleast one machine we can go on.
// Also we can set the state to DONE!!
//
if (CreatedExitPt == TRUE) {
//
// We need to ClearUp Recovery Properties here!!
//
RECOVERY_TEST_POINT(L"CreateChildX", 2);
pChild->_Recover.SetOperationDone();
} else {
//
// We have to delete the object that we created. dwErr already
// has an error code in it. Let that go by us. Remember however,
// the exit point itself never got created as far as the DC is
// concerned and hence makes no sense to try to undo that stuff.
//
LogMessage(
DEB_ERROR,nullPtr,0,DFS_CANT_CREATE_ANY_EXIT_POINT_MSG);
pChild->DeleteObject();
dwErr = NERR_DfsCantCreateJunctionPoint;
}
}
//
// Now we merely need to update the PKT with the relevant information.
//
if (dwErr == ERROR_SUCCESS) {
dwErr = pChild->CreateSubordinatePktEntry(NULL, &_peid, FALSE);
if (dwErr != ERROR_SUCCESS) {
LogMessage(
DEB_ERROR, &_peid.Prefix.Buffer, 1,
DFS_CANT_CREATE_SUBORDINATE_ENTRY_MSG);
IDfsVolInlineDebOut((
DEB_ERROR, "Failed CreateSubordPktEntry %08lx\n", dwErr));
ASSERT(L"CreateSubordinateEntry Failed in CreateChild");
}
}
if (dwErr != ERROR_SUCCESS) {
if (pChild != NULL)
pChild->Release();
*ppChild = NULL;
} else {
*ppChild = pChild;
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::CreateChildX() exit %d\n", dwErr));
#if DBG
if (DfsSvcVerbose)
DbgPrint("CDfsVolume::CreateChildX exit %d\n", dwErr);
#endif
return((dwErr));
}
//+-------------------------------------------------------------------------
//
// Member: CDfsVolume::CreateChild, public
//
// Synopsis: This is one way of creating new volume objects.
// This operation involves the creation of the volume object,
// Updating the parent's knowledge regarding the new exit point
// and creating the exit point. The parent volume could have
// multiple replicas. In this case all the replicas are informed
// of the changes and are advised to create the relevant knowledge.
// This operation will roll back in the event of a failure during
// the operation before it is complete. Every attempt will be made
// to delete all information that was created on other replicas
// but no guarantees are made about this. However, all local
// knowledge will be deleted and knowledge synchronisation is
// supposed to eliminate any problems that might have arised
// because of inconsistencies created by this operation. This
// operation also associates a SERVICE with the volume that it
// creates (unlike the CreateChild/CreateInActiveVolume) operation.
// Hence it also needs to communicate with the relevant service.
//
// Arguments: [pwszEntryPath] -- The entry path for the new volume in the namespace
// This entry path is relative to the parent's entrypath.
//
// [ulVolType] -- The type of the volume. Look in dfsh.idl
//
// [pReplInfo] -- The ServiceInfo for the first replica.
//
// [pChild] -- This is where the IDfsVolume reference is
// returned to caller.
//
// [pwszComment] -- Comment for this volume.
//
// Returns: Error code from CreateChildX() or AddReplica().
//
//--------------------------------------------------------------------------
DWORD
CDfsVolume::CreateChild(
LPWSTR pwszPrefix,
ULONG ulVolType,
PDFS_REPLICA_INFO pReplicaInfo,
PWCHAR pwszComment,
ULONG fCreateOptions)
{
CDfsVolume *pChild;
DWORD dwErr = ERROR_SUCCESS;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::CreateChild(%ws,0x%x,%ws,0x%x)\n",
pwszPrefix, ulVolType, pwszComment, fCreateOptions));
#if DBG
if (DfsSvcVerbose)
DbgPrint("CDfsVolume::CreateChild(%ws,0x%x,%ws,%ws,%ws,0x%x)\n",
pwszPrefix,
ulVolType,
pReplicaInfo->pwszServerName,
pReplicaInfo->pwszShareName,
pwszComment,
fCreateOptions);
#endif
if (VolumeOffLine()) {
return( NERR_DfsVolumeIsOffline );
}
//
// I will cheat for now but will come back and fix this later on. Raid 455283
// At this place I basically need to have a recovery mechanism to recover
// in between the operations etc. The entire operation should be done or
// undone. In the present scheme only the two suboperations below will
// be in some sense "atomic" but not this entire operation itself.
//
dwErr = CreateChildX(
NULL, // Dont give any child name.
pwszPrefix,
ulVolType,
pwszComment,
&pChild);
if (dwErr != ERROR_SUCCESS) {
return((dwErr));
}
//
// Now let us go ahead and associate a service with the volume object that
// we just created.
//
dwErr = pChild->AddReplica(pReplicaInfo, fCreateOptions);
//
// If AddServic failed then we have to delete the object itself and
// backout the entire operation.
//
if (dwErr != ERROR_SUCCESS)
pChild->Delete(DFS_OVERRIDE_FORCE);
pChild->Release();
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::CreateChild() exit\n"));
#if DBG
if (DfsSvcVerbose)
DbgPrint("CDfsVolume::CreateChild exit %d\n", dwErr);
#endif
return((dwErr));
}
//+-------------------------------------------------------------------------
//
// Member: CDfsVolume::Move, public
//
// Synopsis: This operation moves a volume from one place in the namespace
// to another point in the namespace. Here we need the
// volume Name and the new entry Path. The old entryPath is
// already available to us since we can get it from the properties
// on the volume object. The volume to be moved should be a leaf
// volume (should have no children) else this operation will
// return an Error Code.
//
// Arguments: [pwszNewPrefix] -- The new EntryPath for this volume. This
// should be absolute path.
//
// Returns: ERROR_SUCCESS -- The operation succeeded.
//
// ERROR_INVALID_PARAMETER -- If pwszNewPrefix is a
// hierarchically below the current prefix!
//
// NERR_DfsVolumeAlreadyExists -- A Dfs volume with the same
// prefix as pwszNewPrefix already exists
//
// Error from various IDfsvol methods.
//
//--------------------------------------------------------------------------
DWORD
CDfsVolume::Move(
LPWSTR pwszNewPrefix
)
{
DWORD dwErr = ERROR_SUCCESS;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::Move(%ws)\n", pwszNewPrefix));
CDfsVolume *pNewParentVol = NULL;
CDfsVolume *pChildVol = NULL;
CDfsVolume *pOldParentVol = NULL;
BOOLEAN CreatedExitPt = FALSE;
CDfsService *pService;
CDfsService *pNextService;
DFS_PKT_ENTRY_ID NewId;
LPWSTR pwszChildName = NULL;
LPWSTR pwszNewParentPrefix = NULL;
LPWSTR pwszNewParentObject = NULL;
ULONG volPrefixLen, prefixLen;
if (VolumeOffLine()) {
return(NERR_DfsVolumeIsOffline);
}
if (NotLeafVolume()) {
return(NERR_DfsNotALeafVolume);
}
//
// Get a hold of the new parent, and check the validity of pwszNewPrefix
// in the process
//
prefixLen = wcslen( pwszNewPrefix );
pwszNewParentPrefix = new WCHAR[prefixLen + 1];
prefixLen *= sizeof(WCHAR);
if (pwszNewParentPrefix == NULL) {
dwErr = ERROR_OUTOFMEMORY;
} else {
wcscpy( pwszNewParentPrefix, pwszNewPrefix );
dwErr = pDfsmStorageDirectory->GetObjectForPrefix(
pwszNewParentPrefix,
FALSE,
&pwszNewParentObject,
&volPrefixLen);
if (dwErr == ERROR_SUCCESS) {
pwszNewParentPrefix[ volPrefixLen/sizeof(WCHAR) ] =
UNICODE_NULL;
if (prefixLen == volPrefixLen) {
dwErr = NERR_DfsVolumeAlreadyExists;
} else {
if (!_wcsnicmp(pwszNewParentPrefix,
_peid.Prefix.Buffer,
_peid.Prefix.Length/sizeof(WCHAR)))
{
//
// This means that we are trying to move somewhere
// below where we already are in the namespace. This
// is total nonsense. Return right now.
//
dwErr = ERROR_INVALID_PARAMETER;
}
}
} else {
IDfsVolInlineDebOut((
DEB_ERROR, "Failed to FindVolPrefix %08lx %ws\n",
dwErr, pwszNewParentPrefix));
}
}
//
// Instantiate the parent and cleanup strings used to get parent...
//
if (dwErr == ERROR_SUCCESS) {
pNewParentVol = new CDfsVolume();
if (pNewParentVol != NULL) {
dwErr = pNewParentVol->LoadNoRegister(
pwszNewParentObject,
0);
} else {
dwErr = ERROR_OUTOFMEMORY;
}
}
delete [] pwszNewParentPrefix;
if (pwszNewParentObject != NULL) {
delete [] pwszNewParentObject;
}
if (dwErr == ERROR_SUCCESS) {
//
// Now that we have a handle on the appropriate volume object we
// can go ahead and perform the move.
//
dwErr = pNewParentVol->CreateChildPartition(
NULL,
_EntryType,
pwszNewPrefix,
_pwszComment,
&_peid.Uid,
NULL,
&pChildVol);
delete [] pwszChildName;
RECOVERY_TEST_POINT(L"Move", 1);
}
//
// If we succeeded in creating the object then we need to go and
// set the service List appropriately. Note that we will not
// set any recovery properties for now. We will exploit the recovery
// props setup by CreateChildPartition.
//
if (dwErr == ERROR_SUCCESS) {
pService = _DfsSvcList.GetFirstService();
while (pService != NULL) {
pNextService = _DfsSvcList.GetNextService(pService);
_DfsSvcList.RemoveService(pService);
dwErr = pChildVol->_DfsSvcList.SetNewService(pService);
if (dwErr != ERROR_SUCCESS) {
IDfsVolInlineDebOut((DEB_ERROR, "Failed to Set SvcProp %08lx\n",dwErr));
break;
}
pService = pNextService;
}
//
// Now we need to carefully remove the services from inmemory
// instantiation of the new pChildVol
//
pService = pChildVol->_DfsSvcList.GetFirstService();
while (pService != NULL) {
pNextService = pChildVol->_DfsSvcList.GetNextService(pService);
pChildVol->_DfsSvcList.RemoveService(pService);
_DfsSvcList.InsertNewService(pService);
pService = pNextService;
}
//
// If we failed to set service list we delete the object and we
// get out.
//
if (dwErr != ERROR_SUCCESS) {
pChildVol->DeleteObject();
}
}
//
// If we succeeded in creating the new object we go on to create the
// New ExitPoint
//
if (dwErr == ERROR_SUCCESS) {
//
// Let us switch to new EntryPath. We want to avoid mem allocations
// here itself.
//
NewId = _peid;
NewId.Prefix.Length = wcslen(pwszNewPrefix)*sizeof(WCHAR);
NewId.Prefix.MaximumLength = NewId.Prefix.Length + sizeof(WCHAR);
NewId.Prefix.Buffer = pwszNewPrefix;
//
// Now we can create the exit point at the appropriate place.
//
pService = pNewParentVol->_DfsSvcList.GetFirstService();
ASSERT(pService != NULL);
while (pService != NULL) {
dwErr = pService->CreateExitPoint(&NewId, _EntryType);
if (dwErr == ERROR_SUCCESS) {
CreatedExitPt = TRUE;
}
pService = pNewParentVol->_DfsSvcList.GetNextService(pService);
}
if (CreatedExitPt == TRUE) {
//
// This operation is committed now and we can set the
// Recovery Properties on the new object to DONE.
//
//
// Now before we set the recovery Properties to be done on the
// new object. We have to set the appropriate recovery props
// on the current object so that we can force this operation
// forward.
//
dwErr = _Recover.SetOperationStart(DFS_RECOVERY_STATE_MOVE, NULL);
//
// Now we set the recovery properties on the new object to
// DONE since there is nothing that needs to be done over there
// if we fail now. The only recovery (or roll forward) code will
// be triggered off this volume object itself.
//
RECOVERY_TEST_POINT(L"Move", 2);
if (dwErr == ERROR_SUCCESS) {
pChildVol->_Recover.SetOperationDone();
}
}
else {
//
// Cant go on with this operation so let us get rid of the
// object that we created.
//
IDfsVolInlineDebOut((DEB_TRACE,
"Unable to create Exit Pt %ws for Move\n",
pwszNewPrefix));
pChildVol->DeleteObject();
dwErr = NERR_DfsCantCreateJunctionPoint;
}
}
//
// Now if we passed the last stage then there is no stopping in this
// operation anymore.
//
if (dwErr == ERROR_SUCCESS) {
//
// Let us get to the old parent and delete the exit point first.
//
dwErr = GetParent(&pOldParentVol);
if (dwErr == ERROR_SUCCESS) {
pService = pOldParentVol->_DfsSvcList.GetFirstService();
ASSERT(pService != NULL);
//
// We ignore all errors here.
//
while(pService != NULL) {
dwErr = pService->DeleteExitPoint(&_peid, _EntryType);
pService = pOldParentVol->_DfsSvcList.GetNextService(pService);
}
dwErr = ERROR_SUCCESS;
}
else {
IDfsVolInlineDebOut((DEB_ERROR,
"Unable to get to the parent vol for %ws\n",
_pwzFileName));
}
RECOVERY_TEST_POINT(L"Move", 3);
//
// Now we merely need to do a modify Prefix operation on the current
// volume's services.
//
pService = _DfsSvcList.GetFirstService();
ASSERT(pService != NULL);
while (pService != NULL) {
dwErr = pService->ModifyPrefix(&NewId);
if (dwErr != ERROR_SUCCESS) {
IDfsVolInlineDebOut((DEB_ERROR,
"Unable to Modify prefix to %ws %08lx\n",
NewId.Prefix.Buffer, dwErr));
}
pService = _DfsSvcList.GetNextService(pService);
}
dwErr = ERROR_SUCCESS;
//
// We can now delete this object itself.
//
DeleteObject();
_Deleted = FALSE;
//
// We now need to change the _pwzFileName of this idfsvol to match
// the new child that we have created. Also need to change E.P.
//
ULONG uLen = wcslen(pChildVol->_pwzFileName);
if ((uLen > wcslen(_pwzFileName)) && (uLen > MAX_PATH)) {
if (_pwzFileName != _FileNameBuffer)
delete [] _pwzFileName;
_pwzFileName = new WCHAR[uLen + 1];
}
wcscpy(_pwzFileName, pChildVol->_pwzFileName);
//
// Now the entrypath prefix.
//
uLen = NewId.Prefix.Length;
if (uLen > _peid.Prefix.Length) {
if (_peid.Prefix.Buffer != _EntryPathBuffer)
delete [] _peid.Prefix.Buffer;
if (uLen >= MAX_PATH)
_peid.Prefix.Buffer = new WCHAR[(uLen+1)];
else
_peid.Prefix.Buffer = _EntryPathBuffer;
}
_peid.Prefix.Length = (USHORT)uLen;
_peid.Prefix.MaximumLength = _peid.Prefix.Length + sizeof(WCHAR);
wcscpy(_peid.Prefix.Buffer, NewId.Prefix.Buffer);
//
// Now we get the IStorage's etc. over to this idfsvol. We steal.
//
ASSERT((_pStorage == NULL) &&
(_Recover._pPSStg == NULL) &&
(_DfsSvcList._pPSStg == NULL));
_pStorage = pChildVol->_pStorage;
pChildVol->_pStorage = NULL;
_Recover._pPSStg = pChildVol->_Recover._pPSStg;
_DfsSvcList._pPSStg = pChildVol->_DfsSvcList._pPSStg;
pChildVol->_Recover._pPSStg = NULL;
pChildVol->_DfsSvcList._pPSStg = NULL;
//
// Copy over the child's registration id, so we can revoke that
// as well. We need to revoke it because it has been registered
// with the child's CDfsVol address.
//
_dwRotRegistration = pChildVol->_dwRotRegistration;
pChildVol->_dwRotRegistration = NULL;
//
// Now we have to update the DC's PKT entry itself.
//
dwErr = UpdatePktEntry(NULL);
if (dwErr != ERROR_SUCCESS) {
IDfsVolInlineDebOut((DEB_ERROR,
"Unable to updatePkt entry %08lx for %ws\n",
dwErr, pChildVol->_peid.Prefix.Buffer));
}
}
if (pNewParentVol != NULL) {
pNewParentVol->Release();
}
if (pChildVol != NULL) {
pChildVol->Release();
}
if (pOldParentVol != NULL) {
pOldParentVol->Release();
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::Move() exit\n"));
return((dwErr));
}
//+------------------------------------------------------------------------
//
// Method: CDfsVolume::InitializePkt, public
//
// Synopsis: This method initilaizes the PKT with info regarding this
// volume and also sets up the relational info for itself. It
// also continues to recursively call all the child volume
// objects' InitializePkt method.
//
// Arguments: None
//
// Notes: This is a recursive method. By calling this we can initialise
// the PKT with info regarding this volume and all its children
// since it is a recursive routine. This is a DEPTH-FIRST Traversal
//
// History: 09-Feb-93 SudK Created.
//
//-------------------------------------------------------------------------
DWORD
CDfsVolume::InitializePkt(
HANDLE PktHandle)
{
DWORD dwErr = ERROR_SUCCESS;
CEnumDirectory *pDir = NULL;
DFSMSTATDIR rgelt;
ULONG fetched = 0;
CDfsVolume *child = NULL;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::InitializePkt()\n"));
#if DBG
if (DfsSvcVerbose & 0x80000000)
DbgPrint("CDfsVolume::InitializePkt()\n");
#endif
memset(&rgelt, 0, sizeof(DFSMSTATDIR));
//
// First, we get a hold of the CRegEnumDirectory interface to our own
// volume object.
//
dwErr = _pStorage->GetEnumDirectory(&pDir);
if (dwErr != ERROR_SUCCESS) {
IDfsVolInlineDebOut((DEB_ERROR, "Failed to get IDirectory %08lx\n", dwErr));
return(dwErr);
}
//
// While there are children still to be handled we continue on.
//
while (TRUE) {
if (rgelt.pwcsName != NULL) {
delete [] rgelt.pwcsName;
rgelt.pwcsName = NULL;
}
dwErr = pDir->Next(&rgelt, &fetched);
if (dwErr != ERROR_SUCCESS) {
IDfsVolInlineDebOut((DEB_ERROR, "Failed to Enumerate %08lx\n", dwErr));
break;
}
//
// If we did not get back any children we are done.
//
if (fetched == 0)
break;
IDfsVolInlineDebOut((
DEB_TRACE, "CDfsVolume::InitializePkt Name=%ws\n", rgelt.pwcsName));
//
// If the child name is . or .. we ignore it
//
if ((!wcscmp(rgelt.pwcsName, L".")) ||
(!wcscmp(rgelt.pwcsName, L"..")))
continue;
dwErr = GetDfsVolumeFromStg(&rgelt, &child);
if (dwErr != ERROR_SUCCESS) {
//
// Log an EVENT here saying that volume object is corrupt and
// continue on. We dont want to stop just because we cant handle
// one particular object.
//
LogMessage( DEB_ERROR,
&(_peid.Prefix.Buffer),
1,
DFS_CANT_GET_TO_CHILD_IDFSVOL_MSG);
IDfsVolInlineDebOut((DEB_ERROR, "Bad Object: %ws\n", rgelt.pwcsName));
//
// We dont want to give up as yet. So let us go on to the next
// object.
//
fetched = 0; //Do I need to do this??
continue;
}
if (DFS_GET_RECOVERY_STATE(child->_RecoveryState) != DFS_RECOVERY_STATE_NONE) {
//
// Now we need to call the recovery method to handle this stuff.
// What do I do with the error code that I get back out here.
//
LogMessage(DEB_ERROR,
&(child->_peid.Prefix.Buffer),
1,
DFS_RECOVERY_NECESSARY_MSG);
IDfsVolInlineDebOut((DEB_ERROR, "Object To Recover From: %ws\n",
rgelt.pwcsName));
dwErr = child->RecoverFromFailure();
//
// We failed to recover from failure. The required messages would
// have already been logged so we dont need to bother about that
// here at all. But a failure in this process means we really cant
// go on here. We would get a failure from the above only if there
// was some drastic problem.
//
if (dwErr != ERROR_SUCCESS) {
IDfsVolInlineDebOut((DEB_ERROR, "Fatal RecoveryError \n"));
}
if (child->_Deleted == TRUE) {
//
// Due to above recovery the volume got deleted. No point
// going on along this path. Move on to next sibling.
//
child->Release();
fetched = 0;
continue;
}
}
if (dwErr == ERROR_SUCCESS) {
//
// Create the subordinate PKT entry for the child. This way we
// get to setup the links as well.
//
dwErr = child->CreateSubordinatePktEntry(PktHandle, &_peid, TRUE);
if (dwErr != ERROR_SUCCESS) {
//
// This is a chance to write out an EVENT and then continue
// to the Initialization of further children. We need to
// continue on even though we could not get to finish this
// volume.
//
LogMessage(DEB_ERROR,
&(child->_peid.Prefix.Buffer),
1,
DFS_UNABLE_TO_CREATE_SUBORDINATE_ENTRY_MSG);
IDfsVolInlineDebOut((DEB_ERROR, "Object For Above Error: %ws\n",
rgelt.pwcsName));
}
}
//
// Now that the subordinate entry has been created we can go ahead
// and call InitialisePkt on child. This makes a DepthFirst traversal.
// Even if we could not create the subordinate entry for some reason,
// we need to go on and attempt to initialize the rest. But we really
// cant do that here. Riad: 455283. We need a different approach here.
//
if (dwErr == ERROR_SUCCESS) {
dwErr = child->InitializePkt(PktHandle);
if (dwErr != ERROR_SUCCESS) {
//
// We ignore this error and also dont bother to write out an
// event since this should have been handled by some lower method.
// We maybe sitting many levels high up and this error came all
// the way back up.
//
IDfsVolInlineDebOut((DEB_ERROR, "InitPkt failed %08lx\n", dwErr));
}
}
child->Release();
//
// Let us now attempt to enumerate the next child.
//
fetched = 0;
} //While fetched!=0
//
// If this volume's state is offline, set the local DC's pkt to reflect
// that case
//
if (_State == DFS_VOLUME_STATE_OFFLINE) {
NTSTATUS Status;
CDfsService *psvc;
for (psvc = _DfsSvcList.GetFirstService();
psvc != NULL;
psvc = _DfsSvcList.GetNextService(psvc)) {
LPWSTR wszService;
wszService = psvc->GetServiceName();
Status = DfsSetServiceState(
&_peid,
wszService,
DFS_SERVICE_TYPE_OFFLINE);
}
Status = DfsDCSetVolumeState(
&_peid,
PKT_ENTRY_TYPE_OFFLINE);
}
if (rgelt.pwcsName != NULL)
delete [] rgelt.pwcsName;
if (pDir != NULL)
pDir->Release();
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::InitializePkt() exit\n"));
#if DBG
if (DfsSvcVerbose & 0x80000000)
DbgPrint("CDfsVolume::InitializePkt exit %d\n", dwErr);
#endif
return(dwErr);
}
//+----------------------------------------------------------------------------
//
// Function: GetNetInfo
//
// Synopsis: Gets information about the volume.
//
// Arguments: [Level] -- Level of Information desired.
//
// [pInfo] -- Pointer to info struct to be filled. Pointer
// members will be allocated using MIDL_user_allocate.
// The type of this variable is LPDFS_INFO_3, but one
// can pass in pointers to lower levels, and only the
// fields appropriate for the level will be touched.
//
// [pcbInfo] -- On successful return, contains the size in
// bytes of the returned info. The returned size does
// not include the size of the DFS_INFO_3 struct itself.
//
// Returns: ERROR_SUCCESS -- Successfully returning info
//
// ERROR_OUTOFMEMORY -- Out of memory
//
//-----------------------------------------------------------------------------
DWORD
CDfsVolume::GetNetInfo(
DWORD Level,
LPDFS_INFO_3 pInfo,
LPDWORD pcbInfo)
{
DWORD dwErr = ERROR_SUCCESS;
DWORD cbInfo = 0, cbItem;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::GetNetInfo(l=%d)\n", Level));
#if DBG
if (DfsSvcVerbose)
DbgPrint(" CDfsVolume::GetNetInfo(l=%d)\n", Level);
#endif
//
// See if this is a Level 100 or 101. If so, we handle them right away
// and return
if (Level == 100) {
LPDFS_INFO_100 pInfo100 = (LPDFS_INFO_100) pInfo;
cbItem = (wcslen(_pwszComment) + 1) * sizeof(WCHAR);
pInfo100->Comment = (LPWSTR) MIDL_user_allocate(cbItem);
if (pInfo100->Comment != NULL) {
wcscpy(pInfo100->Comment, _pwszComment);
*pcbInfo = cbItem;
return( ERROR_SUCCESS );
} else {
return( ERROR_OUTOFMEMORY );
}
}
if (Level == 101) {
LPDFS_INFO_101 pInfo101 = (LPDFS_INFO_101) pInfo;
pInfo->State = _State;
return( ERROR_SUCCESS );
}
//
// level 4 isn't just an extension of 3, so handle it seperately
//
if (Level == 4) {
LPDFS_INFO_4 pInfo4 = (LPDFS_INFO_4) pInfo;
cbItem = sizeof(UNICODE_PATH_SEP) + _peid.Prefix.Length + sizeof(WCHAR);
pInfo4->EntryPath = (LPWSTR) MIDL_user_allocate(cbItem);
if (pInfo4->EntryPath != NULL) {
pInfo4->EntryPath[0] = UNICODE_PATH_SEP;
wcscpy(&pInfo4->EntryPath[1], _peid.Prefix.Buffer);
cbInfo += cbItem;
} else {
dwErr = ERROR_OUTOFMEMORY;
}
if (dwErr == ERROR_SUCCESS) {
cbItem = (wcslen(_pwszComment)+1) * sizeof(WCHAR);
pInfo4->Comment = (LPWSTR) MIDL_user_allocate(cbItem);
if (pInfo4->Comment != NULL) {
wcscpy( pInfo4->Comment, _pwszComment );
cbInfo += cbItem;
} else {
dwErr = ERROR_OUTOFMEMORY;
}
}
if (dwErr == ERROR_SUCCESS) {
pInfo4->State = _State;
pInfo4->Timeout = _Timeout;
pInfo4->Guid = _peid.Uid;
pInfo4->NumberOfStorages = _DfsSvcList.GetServiceCount();
cbItem = pInfo4->NumberOfStorages * sizeof(DFS_STORAGE_INFO);
pInfo4->Storage = (LPDFS_STORAGE_INFO) MIDL_user_allocate(cbItem);
if (pInfo4->Storage != NULL) {
ULONG i;
CDfsService *pSvc;
RtlZeroMemory(pInfo4->Storage, cbItem);
cbInfo += cbItem;
pSvc = _DfsSvcList.GetFirstService();
i = 0;
while (pSvc != NULL && dwErr == ERROR_SUCCESS) {
dwErr = pSvc->GetNetStorageInfo(&pInfo4->Storage[i], &cbItem);
cbInfo += cbItem;
i++;
pSvc = _DfsSvcList.GetNextService( pSvc );
}
if (dwErr != ERROR_SUCCESS) {
for (; i > 0; i--) {
MIDL_user_free(pInfo4->Storage[i-1].ServerName);
MIDL_user_free(pInfo4->Storage[i-1].ShareName);
}
}
} else {
dwErr = ERROR_OUTOFMEMORY;
}
}
//
// See if we need to clean up...
//
if (dwErr != ERROR_SUCCESS) {
if (pInfo4->EntryPath != NULL) {
MIDL_user_free(pInfo4->EntryPath);
}
if (pInfo4->Storage != NULL) {
MIDL_user_free(pInfo4->Storage);
}
}
*pcbInfo = cbInfo;
return(dwErr);
}
//
// Level is 1,2 or 3
//
//
// Fill in the Level 1 stuff
//
cbItem = sizeof(UNICODE_PATH_SEP) + _peid.Prefix.Length + sizeof(WCHAR);
pInfo->EntryPath = (LPWSTR) MIDL_user_allocate(cbItem);
if (pInfo->EntryPath != NULL) {
pInfo->EntryPath[0] = UNICODE_PATH_SEP;
wcscpy(&pInfo->EntryPath[1], _peid.Prefix.Buffer);
cbInfo += cbItem;
} else {
dwErr = ERROR_OUTOFMEMORY;
}
//
// Fill in the Level 2 stuff if needed
//
if (dwErr == ERROR_SUCCESS && Level > 1) {
cbItem = (wcslen(_pwszComment)+1) * sizeof(WCHAR);
pInfo->Comment = (LPWSTR) MIDL_user_allocate(cbItem);
if (pInfo->Comment != NULL) {
wcscpy( pInfo->Comment, _pwszComment );
cbInfo += cbItem;
} else {
dwErr = ERROR_OUTOFMEMORY;
}
}
if (dwErr == ERROR_SUCCESS && Level > 1) {
pInfo->State = _State;
pInfo->NumberOfStorages = _DfsSvcList.GetServiceCount();
}
//
// Fill in the Level 3 stuff if needed
//
if (dwErr == ERROR_SUCCESS && Level > 2) {
cbItem = pInfo->NumberOfStorages * sizeof(DFS_STORAGE_INFO);
pInfo->Storage = (LPDFS_STORAGE_INFO) MIDL_user_allocate(cbItem);
if (pInfo->Storage != NULL) {
ULONG i;
CDfsService *pSvc;
RtlZeroMemory(pInfo->Storage, cbItem);
cbInfo += cbItem;
pSvc = _DfsSvcList.GetFirstService();
i = 0;
while (pSvc != NULL && dwErr == ERROR_SUCCESS) {
dwErr = pSvc->GetNetStorageInfo(&pInfo->Storage[i], &cbItem);
cbInfo += cbItem;
i++;
pSvc = _DfsSvcList.GetNextService( pSvc );
}
if (dwErr != ERROR_SUCCESS) {
for (; i > 0; i--) {
MIDL_user_free(pInfo->Storage[i-1].ServerName);
MIDL_user_free(pInfo->Storage[i-1].ShareName);
}
}
} else {
dwErr = ERROR_OUTOFMEMORY;
}
}
//
// See if we need to clean up...
//
if (dwErr != ERROR_SUCCESS) {
if (Level > 1) {
if (pInfo->EntryPath != NULL) {
MIDL_user_free(pInfo->EntryPath);
}
}
if (Level > 2) {
if (pInfo->Storage != NULL) {
MIDL_user_free(pInfo->Storage);
}
}
}
//
// Finally, we are done
//
*pcbInfo = cbInfo;
return(dwErr);
}
//+-----------------------------------------------------------------------
//
// Member: CDfsVolume::SetComment, public
//
// Synopsis: Sets a comment on the volume object.
//
// Arguments: [pwszComment] -- The comment
//
// Returns:
//
// History: 05/10/93 SudK Created.
//
//------------------------------------------------------------------------
DWORD
CDfsVolume::SetComment(
PWCHAR pwszComment
)
{
DWORD dwErr = ERROR_SUCCESS;
SYSTEMTIME st;
FILETIME ftOld;
LPWSTR pwszOldComment;
ULONG ulen = wcslen(pwszComment);
IDfsVolInlineDebOut((DEB_TRACE, "SetComment: %ws\n", pwszComment));
ftOld = _ftComment;
pwszOldComment = _pwszComment;
_pwszComment = new WCHAR[ulen+1];
if (_pwszComment == NULL)
dwErr = ERROR_OUTOFMEMORY;
else {
wcscpy(_pwszComment, pwszComment);
GetSystemTime( &st );
SystemTimeToFileTime( &st, &_ftComment );
dwErr = SetIdProps( _EntryType,
_State,
_peid.Prefix.Buffer,
_peid.ShortPrefix.Buffer,
_peid.Uid,
pwszComment,
_Timeout,
_ftEntryPath,
_ftState,
_ftComment,
FALSE);
}
if (dwErr != ERROR_SUCCESS) {
if (_pwszComment) {
delete [] _pwszComment;
}
_ftComment = ftOld;
_pwszComment = pwszOldComment;
}
return(dwErr);
}
//+-------------------------------------------------------------------------
//
// Member: CDfsVolume::FixServiceKnowledge
//
// Synopsis: This method is called for fixing knowledge inconsistencies.
// It checks to make sure that the given service does support
// this volume and then goes on to do a CreateLocalVol call on
// that service.
//
// Arguments: [pwszServiceName] -- The principal name of service to be
// fixed.
//
// History: 06-April-1993 SudK Created
//
//--------------------------------------------------------------------------
DWORD
CDfsVolume::FixServiceKnowledge(
PWCHAR pwszServiceName
)
{
DWORD dwErr = ERROR_SUCCESS;
CDfsService *pService;
PWCHAR ErrorStrs[3];
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::FixServiceKnowledge(%s)\n",
pwszServiceName));
dwErr = _DfsSvcList.GetServiceFromPrincipalName(pwszServiceName, &pService);
if (dwErr == ERROR_SUCCESS) {
//
// We really dont care about errors since this is all heuristic. We
// will merely log an error that's all.
//
dwErr = pService->FixLocalVolume(&_peid, _EntryType);
if (dwErr != ERROR_SUCCESS) {
//
// Log the error and try to take the service off-line
//
DWORD dwErrOffLine;
ErrorStrs[0] = _peid.Prefix.Buffer;
ErrorStrs[1] = pwszServiceName;
LogMessage( DEB_ERROR,
ErrorStrs,
2,
DFS_CANNOT_SET_SERVICE_PROPERTY_MSG);
dwErrOffLine = pService->SetVolumeState(
&_peid,
DFS_SERVICE_TYPE_OFFLINE,
FALSE);
if (dwErrOffLine == ERROR_SUCCESS) {
dwErrOffLine = _DfsSvcList.SerializeSvcList();
}
if (dwErrOffLine == ERROR_SUCCESS) {
_DfsSvcList.SetServiceListProperty( FALSE );
}
}
} else {
IDfsVolInlineDebOut((
DEB_ERROR,
"Could not find Service %ws on Volume: %ws\n",
pwszServiceName,
_peid.Prefix.Buffer));
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::FixServiceKnowledge() exit\n"));
return((dwErr));
}
//+---------------------------------------------------------------------
//
// Member: CDfsVolume::Rename, public
//
// Synopsis: This method should be called if an object/file/directory
// on this volume is to be renamed, and the name falls along an
// exit point off this volume. This method will perform the
// rename on the filesystem and then go on to call ModifyPrefix
// on all the child volume objects which are affected by the
// rename operation.
//
// Arguments: [oldPrefix] -- The oldPrefix that needs to be modified. Prefix
// [newPrefix] -- This should be ORG relative prefix.
//
// Returns: ERROR_SUCCESS -- If all went well.
//
// Notes: The old and newPaths should follow all requirements of a File
// System Rename operation. Should vary only in last component etc.
//
// History: 31 April 1993 SudK Created.
// 26 April 1993 SudK Fixed to work properly.
//
//----------------------------------------------------------------------
DWORD
CDfsVolume::Rename(
PWSTR oldPrefix,
PWSTR newPrefix
)
{
DWORD dwErr = ERROR_SUCCESS;
CDfsVolume *child = NULL;
CEnumDirectory *pdir = NULL;
DFSMSTATDIR rgelt;
ULONG fetched = 0;
WCHAR wszOldPath[MAX_PATH], wszNewPath[MAX_PATH];
PWSTR pwszOldPath = wszOldPath;
PWSTR pwszNewPath = wszNewPath;
ULONG len = MAX_PATH;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::Rename(%ws,%ws)\n", oldPrefix, newPrefix));
//
// Need to check if this is the right idfsvol to call rename on.
//
ULONG ulen = _peid.Prefix.Length/sizeof(WCHAR);
if ((wcslen(oldPrefix) <= ulen) ||
(wcslen(newPrefix) <= ulen)) {
//
// Both old and new prefixes should be longer than the prefix of
// this volume. If they are not then we can return error right away.
//
dwErr = NERR_DfsBadRenamePath;
} else if ((_wcsnicmp(_peid.Prefix.Buffer, oldPrefix, ulen) != 0) ||
(_wcsnicmp(_peid.Prefix.Buffer, newPrefix, ulen) != 0)) {
//
// Now we need to check to make sure that this volume's prefix is a
// proper prefix of path being renamed.
//
dwErr = NERR_DfsBadRenamePath;
} else if (_wcsicmp(oldPrefix, newPrefix) == 0) {
//
// Someone has given identical rename path. Return right away.
//
dwErr = NERR_DfsBadRenamePath;
}
if (dwErr == ERROR_SUCCESS) {
len = wcslen(oldPrefix);
if (len > (MAX_PATH - 2)) {
pwszOldPath = new WCHAR[ len + 2 ];
if (pwszOldPath == NULL) {
dwErr = ERROR_OUTOFMEMORY;
}
}
if (dwErr == ERROR_SUCCESS) {
wcscpy( pwszOldPath, UNICODE_PATH_SEP_STR );
wcscat( pwszOldPath, oldPrefix );
}
}
if (dwErr == ERROR_SUCCESS) {
len = wcslen(newPrefix);
if (len > (MAX_PATH - 2)) {
pwszNewPath = new WCHAR[ len + 2 ];
if (pwszNewPath == NULL) {
dwErr = ERROR_OUTOFMEMORY;
}
}
if (dwErr == ERROR_SUCCESS) {
wcscpy( pwszNewPath, UNICODE_PATH_SEP_STR );
wcscat( pwszNewPath, newPrefix );
}
}
if (dwErr == ERROR_SUCCESS) {
//
// Now do the Rename operation
//
NTSTATUS Status;
Status = MoveFileOrJP(pwszOldPath, pwszNewPath);
if (!NT_SUCCESS(Status)) {
dwErr = RtlNtStatusToDosError(Status);
}
if (pwszOldPath != wszOldPath) {
delete [] pwszOldPath;
}
if (pwszNewPath != wszNewPath) {
delete [] pwszNewPath;
}
}
if (dwErr == ERROR_SUCCESS) {
dwErr = _pStorage->GetEnumDirectory(&pdir);
if (dwErr != ERROR_SUCCESS) {
return(dwErr);
}
//
// While there are children still to be handled we continue on.
//
rgelt.pwcsName = NULL;
while (TRUE) {
if (rgelt.pwcsName != NULL) {
delete [] rgelt.pwcsName;
rgelt.pwcsName = NULL;
}
dwErr = pdir->Next(&rgelt, &fetched);
if (dwErr != ERROR_SUCCESS) {
IDfsVolInlineDebOut((DEB_ERROR, "Failed to Enumeraate\n", 0));
break;
}
//
// If we did not get back any children we are done.
//
if (fetched == 0)
break;
//
// If the child name is . or .. we ignore it
//
if ((!wcscmp(rgelt.pwcsName, L".")) ||
(!wcscmp(rgelt.pwcsName, L"..")))
continue;
dwErr = GetDfsVolumeFromStg(&rgelt, &child);
if (dwErr != ERROR_SUCCESS) {
//
// Log an EVENT here saying that volume object is corrupt and
// continue on. We dont want to stop just because we cant handle
// one particular object.
//
LogMessage( DEB_ERROR,
&(_peid.Prefix.Buffer),
1,
DFS_CANT_GET_TO_CHILD_IDFSVOL_MSG);
//
// We dont want to give up as yet. So let us go on to the next
// object.
//
fetched = 0;
continue;
}
dwErr = child->ModifyEntryPath(oldPrefix, newPrefix);
if (dwErr != ERROR_SUCCESS) {
//
// We ignore this err since it would be logged further down.
//
}
child->Release();
//
// Let us now attempt to enumerate the next child.
//
fetched = 0;
} //While TRUE
if (pdir != NULL)
pdir->Release();
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::Rename() exit\n"));
return(dwErr);
}
//+----------------------------------------------------------------------------
//
// Method: CDfsVolume::ModifyLocalEntryPath,private
//
// Synopsis: This method modifies the entry path on the volume object,
// and modifies the local PKT to reflect the change.
//
// Arguments:
//
// Returns:
//
//-----------------------------------------------------------------------------
DWORD
CDfsVolume::ModifyLocalEntryPath(
PWCHAR newEntryPath,
FILETIME ftEntryPath,
BOOL fUpdatePkt)
{
DWORD dwErr = ERROR_SUCCESS;
CUnicodeString oldString, newString;
dwErr = SetIdProps(
_EntryType,
_State,
newEntryPath,
_peid.ShortPrefix.Buffer,
_peid.Uid,
_pwszComment,
_Timeout,
ftEntryPath,
_ftState,
_ftComment,
FALSE);
if (dwErr != ERROR_SUCCESS) {
//
// We want to return right away. Can we hope that the private section
// variable will get deleted and return or should we fix the private
// _peid since this operation never succeeded.
//
IDfsVolInlineDebOut((
DEB_ERROR, "Unable To modify Prefix to [%ws]\n", newEntryPath));
return(dwErr); //Raid: 455283 cant return this error here.
}
//
// Now that the object has changed let us modify the Private variables.
//
oldString.Copy(_peid.Prefix.Buffer);
newString.Copy(newEntryPath);
if (_peid.Prefix.Buffer != _EntryPathBuffer)
delete [] _peid.Prefix.Buffer;
newString.Transfer(&(_peid.Prefix));
if (fUpdatePkt) {
dwErr = UpdatePktEntry(NULL);
}
if (dwErr != ERROR_SUCCESS) {
DWORD dwErr2;
delete [] _peid.Prefix.Buffer;
oldString.Transfer(&(_peid.Prefix));
dwErr2 = SetIdProps(_EntryType,
_State,
_peid.Prefix.Buffer,
_peid.ShortPrefix.Buffer,
_peid.Uid,
_pwszComment,
_Timeout,
_ftEntryPath,
_ftState,
_ftComment,
FALSE);
if (dwErr2 != ERROR_SUCCESS) {
IDfsVolInlineDebOut((
DEB_ERROR,
"Error restoring id props in failed rename operation %08lx\n",
dwErr2));
}
} else {
_ftEntryPath = ftEntryPath;
}
return(dwErr);
}
//+---------------------------------------------------------------------
//
// Method: CDfsVolume::ModifyEntryPath,public
//
// Synopsis: This method modifies the entry path on this volume object
// and at the same time modifies the entry paths on all the
// services by issuing FSCTRLs. It then turns around and calls
// the same API on all the children since their entrypaths are
// also affected by this change.
//
// Arguments: [oldPrefix] -- The old Prefix on the Parent volume object.
// [newPrefix] -- The new Prefix on the Parent volume object.
//
// Returns: ERROR_SUCCESS -- If all went well.
//
// Notes: This method does not bother to check for the validity of
// the new entryPath etc. THat should have happened way before
// we got here.
//
// History: 31 April 1993 SudK Created.
//
//----------------------------------------------------------------------
DWORD
CDfsVolume::ModifyEntryPath(
LPWSTR oldPrefix,
LPWSTR newPrefix)
{
DWORD dwErr = ERROR_SUCCESS;
CDfsService *pService;
PWCHAR ErrorStrs[2];
PWCHAR childNewPrefix;
CEnumDirectory *pdir;
DFSMSTATDIR rgelt;
ULONG fetched = 0;
CDfsVolume *child = NULL;
PWCHAR newEntryPath;
SYSTEMTIME st;
FILETIME ftEntryPath;
IDfsVolInlineDebOut((DEB_TRACE, "ModifyEntryPath(%s,%s)\n", oldPrefix, newPrefix));
//
// First, see if we need to modify anything at all. If the oldPrefix
// is *not* a prefix of our name, then our name is *not* changing, and
// we just return.
//
if (_wcsnicmp(_peid.Prefix.Buffer, oldPrefix, wcslen(oldPrefix)) != 0) {
IDfsVolInlineDebOut((DEB_TRACE, "ModifyEntryPath() exit\n"));
return( ERROR_SUCCESS );
}
//
// Next, compute the new entry path
//
ComputeNewEntryPath( oldPrefix, newPrefix, _peid.Prefix.Buffer, &newEntryPath );
if (newEntryPath == NULL) {
return( ERROR_OUTOFMEMORY );
}
//
// Let us first modify the prefix locally on the object. We trust the
// arguments since they could have been passed by our own code. So we
// will not bother with a TRY/CATCH etc. out here.
//
GetSystemTime( &st );
SystemTimeToFileTime( &st, &ftEntryPath );
dwErr = ModifyLocalEntryPath( newEntryPath, ftEntryPath, TRUE );
if (dwErr != ERROR_SUCCESS) {
delete [] newEntryPath;
return(dwErr);
}
//
// Now that the prefix has been modified locally we need to update all the
// services.
//
pService = _DfsSvcList.GetFirstService();
while (pService != NULL) {
dwErr = pService->ModifyPrefix(&_peid);
//
// If we fail to modify the prefix we really dont want to stop. We go
// on and update the other services and volumes.
//
if (dwErr != ERROR_SUCCESS) {
ErrorStrs[0] = _peid.Prefix.Buffer;
ErrorStrs[1] = pService->GetServiceName();
LogMessage(DEB_ERROR,
ErrorStrs,
2,
DFS_MODIFY_PREFIX_FAILED_MSG);
}
dwErr = ERROR_SUCCESS;
pService = _DfsSvcList.GetNextService(pService);
}
//
// Now we have updated all the services of this volume. Let us now get to
// all our children and call this method on them again.
//
dwErr = _pStorage->GetEnumDirectory(&pdir);
if (dwErr != ERROR_SUCCESS) {
delete [] newEntryPath;
return(dwErr);
}
//
// While there are children still to be handled we continue on.
//
rgelt.pwcsName = NULL;
while (TRUE) {
if (rgelt.pwcsName != NULL) {
delete [] rgelt.pwcsName;
rgelt.pwcsName = NULL;
}
dwErr = pdir->Next(&rgelt, &fetched);
if (dwErr != ERROR_SUCCESS) {
IDfsVolInlineDebOut((DEB_ERROR, "Failed to Enumeraate\n", 0));
break;
}
//
// If we did not get back any children we are done.
//
if (fetched == 0)
break;
//
// If the child name is . or .. we ignore it
//
if ((!wcscmp(rgelt.pwcsName, L".")) ||
(!wcscmp(rgelt.pwcsName, L"..")))
continue;
dwErr = GetDfsVolumeFromStg(&rgelt, &child);
if (dwErr != ERROR_SUCCESS) {
//
// Log an EVENT here saying that volume object is corrupt and
// continue on. We dont want to stop just because we cant handle
// one particular object.
//
LogMessage( DEB_ERROR,
&(_peid.Prefix.Buffer),
1,
DFS_CANT_GET_TO_CHILD_IDFSVOL_MSG);
//
// We dont want to give up as yet. So let us go on to the next
// object.
//
fetched = 0;
continue;
}
dwErr = child->ModifyEntryPath(oldPrefix, newPrefix);
if (dwErr != ERROR_SUCCESS) {
//
// We ignore this error and also dont bother to write out an
// event since this should have been handled by some lower method.
// We maybe sitting many levels high up and this error came all
// the way back up.
}
child->Release();
//
// Let us now attempt to enumerate the next child.
//
fetched = 0;
} //While TRUE
if (pdir != NULL)
pdir->Release();
delete [] newEntryPath;
IDfsVolInlineDebOut((DEB_TRACE, "ModifyEntryPath() exit\n"));
return(dwErr);
}
//+-----------------------------------------------------------------------
//
// Member: CDfsVolume::GetReplicaSetID, public
//
// Synopsis: This method returns the replica set ID (if any) stored with
// this volume object.
//
// Arguments: [pguidRsid] -- This is where the replica set ID is returned.
//
// Returns: If there is no replica set ID then caller gets NullGuid.
//
// History: 16 Aug 1993 Alanw Created
// 19 Oct 1993 SudK Implemented
//
//------------------------------------------------------------------------
DWORD
CDfsVolume::GetReplicaSetID(
GUID *pguidRsid
)
{
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::GetReplicaSetID()\n"));
(*pguidRsid) = _DfsSvcList._ReplicaSetID;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::GetReplicaSetID() exit\n"));
return(ERROR_SUCCESS);
}
//+-----------------------------------------------------------------------
//
// Member: CDfsVolume::SetReplicaSetID, public
//
// Synopsis: This method sets the replica set ID associated with
// this volume object.
//
// Arguments: [pguidRsid] -- A pointer to the replica set ID.
//
// Returns:
//
// History: 16 Aug 1993 Alanw Created
// 19 Oct 1993 SudK Implemented
//
//------------------------------------------------------------------------
DWORD
CDfsVolume::SetReplicaSetID(
GUID *pguidRsid
)
{
DWORD dwErr = ERROR_SUCCESS;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::SetReplicaSetID()\n"));
_DfsSvcList._ReplicaSetID = *pguidRsid;
//
// I am assuming here that the service List is always setup if someone
// called this method. For now this is correct.
//
dwErr = _DfsSvcList.SetServiceListProperty(FALSE);
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::SetReplicaSetID() exit\n"));
return(dwErr);
}
//+-----------------------------------------------------------------------
//
// Method: CDfsVolume::ChangeStorageID
//
// Synopsis: Modify the storage ID on the replica mentioned.
//
// Arguments: [pwszMachineName] -- The replica whose state needs to be
// changed.
// [pwszStorageId] -- The new storageId on the above replica
//
// Returns:
//
// History: 7/21/94 SudK Created
//
//------------------------------------------------------------------------
DWORD
CDfsVolume::ChangeStorageID(
LPWSTR pwszMachineName,
LPWSTR pwszNetStorageId
)
{
return(ERROR_SUCCESS);
}
//+-----------------------------------------------------------------------
//
// Member: CDfsVolume::SetReplicaState, public
//
// Synopsis: Change the state of the replica indicated.
//
// Arguments: [pwszMachineName] -- The server whose state needs to be
// changed.
// [pwszShareName] -- The share on server whose state needs to
// be changed.
// [fState] -- The State to set on this.
//
// Returns:
//
// History: 7/21/94 SudK Created
//
//------------------------------------------------------------------------
DWORD
CDfsVolume::SetReplicaState(
LPWSTR pwszMachineName,
LPWSTR pwszShareName,
ULONG fState
)
{
DWORD dwErr = ERROR_SUCCESS;
CDfsService *psvc;
ULONG svcState;
PWCHAR pMachineName;
PWCHAR pShareName;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::SetReplicaState(%ws,%ws)\n",
pwszMachineName, pwszShareName));
switch (fState) {
case DFS_STORAGE_STATE_OFFLINE:
svcState = DFS_SERVICE_TYPE_OFFLINE;
break;
case DFS_STORAGE_STATE_ONLINE:
svcState = 0;
break;
default:
return( ERROR_INVALID_PARAMETER );
break;
}
for (psvc = _DfsSvcList.GetFirstService();
psvc != NULL;
psvc = _DfsSvcList.GetNextService(psvc)) {
pMachineName = psvc->GetServiceName();
pShareName = psvc->GetShareName();
if (pMachineName != NULL && _wcsicmp(pwszMachineName, pMachineName) == 0 &&
pShareName != NULL && _wcsicmp(pwszShareName, pShareName) == 0) {
dwErr = psvc->SetVolumeState( &_peid, svcState, TRUE );
if (dwErr == ERROR_SUCCESS) {
//
// Store the udpated svclist to the volume object. We don't
// revert if we fail to save to disk. Instead, we return the
// error, and let the admin try again if she wishes.
//
dwErr = _DfsSvcList.SerializeSvcList();
if (dwErr == ERROR_SUCCESS) {
dwErr = _DfsSvcList.SetServiceListProperty( FALSE );
}
}
}
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::SetReplicaState() exit\n"));
return(dwErr);
}
//+-----------------------------------------------------------------------
//
// Member: CDfsVolume::SetVolumeState, public
//
// Synopsis: Change the state of the volume indicated.
//
// Arguments: [fState] -- The State to set on this.
//
// Returns:
//
// History: 7/21/94 SudK Created
//
//------------------------------------------------------------------------
DWORD
CDfsVolume::SetVolumeState(
ULONG fState
)
{
DWORD dwErr;
NTSTATUS status;
CDfsService *psvc;
ULONG svcState, volState;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::SetVolumeState(0x%x)\n", fState));
switch (fState) {
case DFS_VOLUME_STATE_OFFLINE:
svcState = DFS_SERVICE_TYPE_OFFLINE;
volState = PKT_ENTRY_TYPE_OFFLINE;
break;
case DFS_VOLUME_STATE_ONLINE:
svcState = 0;
volState = 0;
break;
default:
return( ERROR_INVALID_PARAMETER );
break;
}
status = DfsDCSetVolumeState( &_peid, volState );
if (NT_SUCCESS(status)) {
SYSTEMTIME st;
_State = fState;
GetSystemTime( &st );
SystemTimeToFileTime( &st, &_ftState );
dwErr = SetIdProps(_EntryType,
_State,
_peid.Prefix.Buffer,
_peid.ShortPrefix.Buffer,
_peid.Uid,
_pwszComment,
_Timeout,
_ftEntryPath,
_ftState,
_ftComment,
FALSE);
} else {
dwErr = RtlNtStatusToDosError(status);
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::SetVolumeState()\n"));
return(dwErr);
}
//+-----------------------------------------------------------------------
//
// Member: CDfsVolume::SetVolumeTimeout, public
//
// Synopsis: Change the timeout of the volume
//
// Arguments: [Timeout] -- The new timeout to set on this.
//
// Returns:
//
//------------------------------------------------------------------------
DWORD
CDfsVolume::SetVolumeTimeout(
ULONG Timeout
)
{
DWORD dwErr = 0;
NTSTATUS status;
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::SetVolumeTimeout(0x%x)\n", Timeout));
status = DfsSetVolumeTimeout( &_peid, Timeout );
if (NT_SUCCESS(status)) {
_Timeout = Timeout;
dwErr = SetIdProps(_EntryType,
_State,
_peid.Prefix.Buffer,
_peid.ShortPrefix.Buffer,
_peid.Uid,
_pwszComment,
_Timeout,
_ftEntryPath,
_ftState,
_ftComment,
FALSE);
} else {
dwErr = RtlNtStatusToDosError(status);
}
IDfsVolInlineDebOut((DEB_TRACE, "CDfsVolume::SetVolumeTimeout()\n"));
return(dwErr);
}
//+-------------------------------------------------------------------------
//
// Function: CDfsVolume::GetObjectID
//
// Synopsis: Return the volume object guid
//
//--------------------------------------------------------------------------
DWORD
CDfsVolume::GetObjectID(LPGUID guidVolume)
{
*guidVolume = _peid.Uid;
return(ERROR_SUCCESS);
}
//+---------------------------------------------------------------------
//
// Function: ComputeNewEntryPath, private
//
// Synopsis: This function is a helper function for the following functions
// to be able to compute the entry paths for a child volume given
// the change in their entrypath's and the child's current path.
//
// Arguments: [oldPath] -- OldPath of currentVolume. Prefix
// [newPath] -- NewPath of currentVOlume. Prefix
// [childPath] -- CurrentPath of child. Prefix
// [childNewPath] -- NewPath of child. Prefix
//
// Returns: NOTHING.
//
// History: 05-01-93 SudK Created.
//
//----------------------------------------------------------------------
VOID
ComputeNewEntryPath(
PWCHAR oldPath,
PWCHAR newPath,
PWCHAR childPath,
PWCHAR *childNewPath
)
{
ULONG newLen, oldLen;
PWCHAR childComponent;
oldLen = wcslen(oldPath);
newLen = wcslen(newPath);
newLen += wcslen(childPath) - oldLen;
*childNewPath = new WCHAR[newLen + sizeof(WCHAR)];
if (*childNewPath != NULL) {
wcscpy(*childNewPath, newPath);
childComponent = childPath + oldLen;
wcscat(*childNewPath, childComponent);
}
return;
}
//+----------------------------------------------------------------------------
//
// Function: MoveFileOrJP, private
//
// Synopsis: Similar to Win32 MoveFile, except if the named src is a JP,
// then the JP will get renamed.
//
// Arguments: [pwszSrcName] -- Name of the Src object.
// [pwszTgtName] -- New name of the object.
//
// Returns: [STATUS_SUCCESS] -- Rename succeeded.
//
//-----------------------------------------------------------------------------
NTSTATUS
MoveFileOrJP(
IN PCWSTR pwszSrcName,
IN PCWSTR pwszTgtName)
{
UNICODE_STRING ustrSrc = {0}, ustrTgt = {0};
NTSTATUS Status = STATUS_SUCCESS;
if (!RtlDosPathNameToNtPathName_U( pwszSrcName, &ustrSrc, NULL, NULL)) {
Status = STATUS_INSUFFICIENT_RESOURCES;
DFSM_TRACE_HIGH(ERROR, MoveFileOrJP_Error1, LOGSTATUS(Status));
} else if (!RtlDosPathNameToNtPathName_U(
pwszTgtName, &ustrTgt, NULL, NULL)) {
Status = STATUS_INSUFFICIENT_RESOURCES;
DFSM_TRACE_HIGH(ERROR, MoveFileOrJP_Error2, LOGSTATUS(Status));
}
if (NT_SUCCESS(Status)) {
OBJECT_ATTRIBUTES oaSrc;
HANDLE hSrc;
IO_STATUS_BLOCK iosb;
InitializeObjectAttributes(
&oaSrc,
&ustrSrc,
OBJ_CASE_INSENSITIVE,
NULL,
NULL);
Status = NtCreateFile(
&hSrc,
FILE_WRITE_ATTRIBUTES |
FILE_READ_ATTRIBUTES |
DELETE |
SYNCHRONIZE,
&oaSrc,
&iosb,
NULL,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ,
FILE_OPEN,
FILE_DIRECTORY_FILE |
FILE_SYNCHRONOUS_IO_NONALERT,
pOpenIfJPEa,
cbOpenIfJPEa);
DFSM_TRACE_ERROR_HIGH(Status, ALL_ERROR, MoveFileOrJP_Error_NtCreateFile, LOGSTATUS(Status));
if (Status == STATUS_DFS_EXIT_PATH_FOUND) {
Status = NtCreateFile(
&hSrc,
FILE_READ_ATTRIBUTES |
FILE_WRITE_ATTRIBUTES |
DELETE |
SYNCHRONIZE,
&oaSrc,
&iosb,
NULL,
FILE_ATTRIBUTE_NORMAL,
FILE_SHARE_READ,
FILE_OPEN,
FILE_SYNCHRONOUS_IO_NONALERT,
pOpenIfJPEa,
cbOpenIfJPEa);
DFSM_TRACE_ERROR_HIGH(Status, ALL_ERROR, MoveFileOrJP_Error_NtCreateFile2, LOGSTATUS(Status));
}
if (NT_SUCCESS(Status)) {
Status = iosb.Status;
}
if (NT_SUCCESS(Status)) {
PFILE_RENAME_INFORMATION pRenameInfo;
ULONG cbRenameInfo;
cbRenameInfo = sizeof(FILE_RENAME_INFORMATION) + ustrTgt.Length;
pRenameInfo = (PFILE_RENAME_INFORMATION) new BYTE [cbRenameInfo];
if (pRenameInfo != NULL) {
pRenameInfo->ReplaceIfExists = FALSE;
pRenameInfo->RootDirectory = NULL;
pRenameInfo->FileNameLength = ustrTgt.Length;
CopyMemory(
&pRenameInfo->FileName[0],
ustrTgt.Buffer,
ustrTgt.Length);
Status = NtSetInformationFile(
hSrc,
&iosb,
pRenameInfo,
cbRenameInfo,
FileRenameInformation);
DFSM_TRACE_ERROR_HIGH(Status, ALL_ERROR, MoveFileOrJP_Error_NtSetInformationFile, LOGSTATUS(Status));
delete [] pRenameInfo;
if (NT_SUCCESS(Status)) {
Status = iosb.Status;
}
} else {
Status = STATUS_INSUFFICIENT_RESOURCES;
DFSM_TRACE_HIGH(ERROR, MoveFileOrJP_Error3, LOGSTATUS(Status));
}
NtClose( hSrc );
} // end if successfully opened src
} // end if successfull converted dos names to nt names.
if (ustrSrc.Buffer != NULL) {
RtlFreeUnicodeString( &ustrSrc );
}
if (ustrTgt.Buffer != NULL) {
RtlFreeUnicodeString( &ustrTgt );
}
return( Status );
}
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