Leaked source code of windows server 2003
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657 lines
14 KiB

#include "precomp.h"
#include "resource.h"
#include "ConfUtil.h"
#include "ConfPolicies.h"
// SDK includes
#include "NmEnum.h"
#include "NmConference.h"
#include "SDKInternal.h"
#include "NmMember.h"
#include "NmChannel.h"
#include "NmChannelFt.h"
#include "NmFt.h"
#include "FtHook.h"
CNmChannelFtObj::CNmChannelFtObj()
: m_bSentSinkLocalMember(false)
{
DBGENTRY(CNmChannelFtObj::CNmChannelFtObj);
DBGEXIT(CNmChannelFtObj::CNmChannelFtObj);
}
CNmChannelFtObj::~CNmChannelFtObj()
{
DBGENTRY(CNmChannelFtObj::~CNmChannelFtObj);
CFt::UnAdvise(this);
// Free our Ft objects
for(int i = 0; i < m_SDKFtObjs.GetSize(); ++i)
{
m_SDKFtObjs[i]->Release();
}
DBGEXIT(CNmChannelFtObj::~CNmChannelFtObj);
}
//
HRESULT CNmChannelFtObj::CreateInstance(CNmConferenceObj* pConfObj, INmChannel** ppChannel)
{
DBGENTRY(CNmChannelFtObj::CreateInstance);
HRESULT hr = S_OK;
typedef CNmChannel<CNmChannelFtObj, &IID_INmChannelFt, NMCH_FT> channel_type;
channel_type* p = NULL;
p = new CComObject<channel_type>(NULL);
if (p != NULL)
{
if(ppChannel)
{
p->SetVoid(NULL);
hr = p->QueryInterface(IID_INmChannel, reinterpret_cast<void**>(ppChannel));
if(SUCCEEDED(hr))
{
// We don't have to RefCount this because our lifetime is
// contained in the CConf's lifetime
p->m_pConfObj = pConfObj;
}
if(FAILED(hr))
{
*ppChannel = NULL;
}
}
else
{
hr = E_POINTER;
}
}
else
{
hr = E_OUTOFMEMORY;
}
if(FAILED(hr))
{
delete p;
}
DBGEXIT_HR(CNmChannelFtObj::CreateInstance,hr);
return hr;
}
/* V A L I D A T E F I L E */
/*-------------------------------------------------------------------------
%%Function: ValidateFile
Verify that a file is a valid to send (it exists, not a folder, etc.)
-------------------------------------------------------------------------*/
HRESULT ValidateFile(LPCTSTR pszFile, DWORD *pdwSizeInBytes)
{
WIN32_FIND_DATA findData;
*pdwSizeInBytes = 0;
HRESULT hr = S_OK;
if (FEmptySz(pszFile) || (MAX_PATH < lstrlen(pszFile)))
{
TRACE_OUT(("SendFile: invalid filename"));
return E_INVALIDARG;
}
// get file information
HANDLE hFind = FindFirstFile(pszFile, &findData);
if (INVALID_HANDLE_VALUE == hFind)
{
TRACE_OUT(("SendFile: Bad Filename [%s]", pszFile));
return E_INVALIDARG;
}
FindClose(hFind);
if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
{
WARNING_OUT(("SendFile: [%s] is a directory", pszFile));
return E_INVALIDARG;
}
// Check whether we are allowed to send files of this size.
DWORD dwMaxSendFileSize = ConfPolicies::GetMaxSendFileSize();
if (dwMaxSendFileSize) {
DWORD dwFileSizeInK = (findData.nFileSizeLow >> 10) |
(findData.nFileSizeHigh << (sizeof(DWORD) * 8 - 10));
if ((dwFileSizeInK >= dwMaxSendFileSize) ||
((findData.nFileSizeHigh >> 10) > 0)) {
return NM_E_FILE_TOO_BIG;
}
}
*pdwSizeInBytes = findData.nFileSizeLow;
return S_OK;
}
///////////////////////////////////////////////////////////////////////////////////
// INmChannelFt methods
///////////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CNmChannelFtObj::SendFile(INmFt **ppFt, INmMember *pMember, BSTR bstrFile, ULONG uOptions)
{
DBGENTRY(CNmChannelFtObj::SendFile);
HRESULT hr = S_OK;
LPTSTR szName = NULL;
BSTR_to_LPTSTR (&szName, bstrFile);
LPCTSTR szFileName = szName;
DWORD dwSizeInBytes = 0;
hr = ValidateFile(szFileName,&dwSizeInBytes);
ULONG gccID = 0;
MBFTEVENTHANDLE hEvent;
MBFTFILEHANDLE hFile;
// We should never be passed NULL because of the marshalling code...
ASSERT(ppFt);
if(!GetbActive())
{
// We are not active yet!
hr = E_FAIL;
goto end;
}
if(SUCCEEDED(hr))
{
if(pMember)
{
// Make sure that this member is valid and in the channel
if(!_MemberInChannel(pMember))
{
hr = E_INVALIDARG;
goto end;
}
hr = pMember->GetID(&gccID);
if(FAILED(hr)) goto end;
}
hr = CFt::SendFile(szFileName,
static_cast<T120NodeID>(gccID),
&hEvent,
&hFile);
if(SUCCEEDED(hr))
{
hr = CNmFtObj::CreateInstance(
this,
hEvent,
hFile,
false, // bIsIncoming
szFileName, // FileName
dwSizeInBytes, // Size in Bytes of the file
pMember,
ppFt
);
if(SUCCEEDED(hr))
{
(*ppFt)->AddRef();
m_SDKFtObjs.Add(*ppFt);
Fire_FtUpdate(CONFN_FT_STARTED, *ppFt);
}
}
}
end:
if(szName)
{
delete (szName);
}
DBGEXIT_HR(CNmChannelFtObj::SendFile,hr);
return hr;
}
STDMETHODIMP CNmChannelFtObj::SetReceiveFileDir(BSTR bstrDir)
{
DBGENTRY(CNmChannelFtObj::SetReceiveFileDir);
HRESULT hr = E_INVALIDARG;
if(bstrDir)
{
LPTSTR szDir;
hr = BSTR_to_LPTSTR (&szDir, bstrDir);
if (SUCCEEDED(hr))
{
if(szDir)
{
if(FEnsureDirExists(szDir))
{
hr = _ChangeRecDir(szDir);
}
else
{
hr = E_INVALIDARG;
}
}
delete (szDir);
}
}
DBGEXIT_HR(CNmChannelFtObj::SetReceiveFileDir,hr);
return hr;
}
// static
HRESULT CNmChannelFtObj::_ChangeRecDir(LPTSTR pszRecDir)
{
PSTR psz;
TCHAR szPath[MAX_PATH];
HRESULT hr = S_OK;
RegEntry reFileXfer(FILEXFER_KEY, HKEY_CURRENT_USER);
if (NULL == pszRecDir)
{
// NULL directory specified - get info from registry or use default
psz = reFileXfer.GetString(REGVAL_FILEXFER_PATH);
if (!FEmptySz(psz))
{
lstrcpyn(szPath, psz, CCHMAX(szPath));
}
else
{
TCHAR szInstallDir[MAX_PATH];
GetInstallDirectory(szInstallDir);
FLoadString1(IDS_FT_RECDIR_DEFAULT, szPath, szInstallDir);
}
pszRecDir = szPath;
}
psz = pszRecDir;
// Remove trailing backslash, if any
for (; *psz; psz = CharNext(psz))
{
if ((_T('\\') == *psz) && (_T('\0') == *CharNext(psz)) )
{
*psz = _T('\0');
break;
}
}
TRACE_OUT(("ChangeRecDir [%s]", pszRecDir));
if (!FEnsureDirExists(pszRecDir))
{
WARNING_OUT(("ChangeRecDir: FT directory is invalid [%s]", pszRecDir));
hr = E_FAIL;
}
else
{
// update the registry
reFileXfer.SetValue(REGVAL_FILEXFER_PATH, pszRecDir);
}
return hr;
}
STDMETHODIMP CNmChannelFtObj::GetReceiveFileDir(BSTR *pbstrDir)
{
DBGENTRY(CNmChannelFtObj::GetReceiveFileDir);
HRESULT hr = S_OK;
if(pbstrDir)
{
RegEntry reFileXfer(FILEXFER_KEY, HKEY_CURRENT_USER);
*pbstrDir = T2BSTR(reFileXfer.GetString(REGVAL_FILEXFER_PATH));
if(!*pbstrDir)
{
hr = E_OUTOFMEMORY;
}
}
else
{
hr = E_POINTER;
}
DBGEXIT_HR(CNmChannelFtObj::GetReceiveFileDir,hr);
return hr;
}
///////////////////////////////////////////////////////////////////////////////
// IInternalChannelObj methods
///////////////////////////////////////////////////////////////////////////////
STDMETHODIMP CNmChannelFtObj::GetInternalINmChannel(INmChannel** ppChannel)
{
DBGENTRY(CNmChannelFtObj::GetInternalINmChannel);
HRESULT hr = S_OK;
if(ppChannel)
{
*ppChannel = NULL;
}
else
{
hr = E_POINTER;
}
DBGEXIT_HR(CNmChannelFtObj::GetInternalINmChannel,hr);
return hr;
}
HRESULT CNmChannelFtObj::ChannelRemoved()
{
HRESULT hr = S_OK;
RemoveMembers();
CNmConferenceObj* pConfObj = GetConfObj();
if(pConfObj)
{
hr = pConfObj->Fire_ChannelChanged(NM_CHANNEL_REMOVED, com_cast<INmChannel>(GetUnknown()));
}
else
{
ERROR_OUT(("ChannelRemoved, but no ConfObject"));
hr = E_UNEXPECTED;
}
m_bSentSinkLocalMember = false;
return hr;
}
void CNmChannelFtObj::_OnActivate(bool bActive)
{
bActive ? CFt::Advise(this) : CFt::UnAdvise(this);
}
///////////////////////////////////////////////////////////////////////////////
// Helpers
///////////////////////////////////////////////////////////////////////////////
HRESULT CNmChannelFtObj::Fire_MemberChanged(NM_MEMBER_NOTIFY uNotify, INmMember *pMember)
{
DBGENTRY(CNmChannelFtObj::Fire_MemberChanged);
HRESULT hr = S_OK;
/////////////////////////////////////////////////////
// INmChannelNotify
/////////////////////////////////////////////////////
IConnectionPointImpl<CNmChannelFtObj, &IID_INmChannelNotify, CComDynamicUnkArray>* pCP = this;
for(int i = 0; i < pCP->m_vec.GetSize(); ++i )
{
if(NM_MEMBER_ADDED == uNotify)
{
if(!m_bSentSinkLocalMember)
{
m_bSentSinkLocalMember = true;
NotifySinksOfLocalMember();
}
}
INmChannelNotify* pNotify = reinterpret_cast<INmChannelNotify*>(pCP->m_vec.GetAt(i));
if(pNotify)
{
pNotify->MemberChanged(uNotify, pMember);
}
}
/////////////////////////////////////////////////////
// INmChannelFtNotify
/////////////////////////////////////////////////////
IConnectionPointImpl<CNmChannelFtObj, &IID_INmChannelFtNotify, CComDynamicUnkArray>* pCP2 = this;
for(i = 0; i < pCP2->m_vec.GetSize(); ++i )
{
if(NM_MEMBER_ADDED == uNotify)
{
if(!m_bSentSinkLocalMember)
{
m_bSentSinkLocalMember = true;
NotifySinksOfLocalMember();
}
}
INmChannelFtNotify* pNotify2 = reinterpret_cast<INmChannelFtNotify*>(pCP2->m_vec.GetAt(i));
if(pNotify2)
{
pNotify2->MemberChanged(uNotify, pMember);
}
}
DBGEXIT_HR(CNmChannelFtObj::Fire_MemberChanged,hr);
return hr;
}
HRESULT CNmChannelFtObj::Fire_FtUpdate(CONFN uNotify, INmFt* pNmFt)
{
DBGENTRY(CNmChannelFtObj::Fire_FtUpdate);
HRESULT hr = S_OK;
/////////////////////////////////////////////////////
// INmChannelFtNotify
/////////////////////////////////////////////////////
IConnectionPointImpl<CNmChannelFtObj, &IID_INmChannelFtNotify, CComDynamicUnkArray>* pCP2 = this;
for(int i = 0; i < pCP2->m_vec.GetSize(); ++i )
{
INmChannelFtNotify* pNotify2 = reinterpret_cast<INmChannelFtNotify*>(pCP2->m_vec.GetAt(i));
if(pNotify2)
{
pNotify2->FtUpdate(uNotify, pNmFt);
}
}
DBGEXIT_HR(CNmChannelFtObj::Fire_FtUpdate,hr);
return hr;
}
void CNmChannelFtObj::_RemoveFt(INmFt* pFt)
{
INmFt* pRet = NULL;
for( int i = 0; i < m_SDKFtObjs.GetSize(); ++i)
{
CComPtr<INmFt> spFt = m_SDKFtObjs[i];
if(spFt.IsEqualObject(pFt))
{
m_SDKFtObjs.RemoveAt(i);
spFt.p->Release();
break;
}
}
}
INmMember* CNmChannelFtObj::GetSDKMemberFromInternalMember(INmMember* pInternalMember)
{
ASSERT(GetConfObj());
return GetConfObj()->GetSDKMemberFromInternalMember(pInternalMember);
}
HRESULT CNmChannelFtObj::_IsActive()
{
return GetbActive() ? S_OK : S_FALSE;
}
HRESULT CNmChannelFtObj::_SetActive(BOOL bActive)
{
if (GetbActive() == bActive)
return S_FALSE;
return E_FAIL;
}
// IMbftEvent Interface
STDMETHODIMP CNmChannelFtObj::OnInitializeComplete(void)
{
// This is handled by the conference object
return S_OK;
}
STDMETHODIMP CNmChannelFtObj::OnPeerAdded(MBFT_PEER_INFO *pInfo)
{
// This is handled by the conference object
return S_OK;
}
STDMETHODIMP CNmChannelFtObj::OnPeerRemoved(MBFT_PEER_INFO *pInfo)
{
// This is handled by the conference object
return S_OK;
}
STDMETHODIMP CNmChannelFtObj::OnFileOffer(MBFT_FILE_OFFER *pOffer)
{
CNmConferenceObj* pConfObj = GetConfObj();
if(pConfObj)
{
CComPtr<INmMember> spMember;
HRESULT hr = S_OK;
if(pOffer->NodeID)
{
hr = pConfObj->GetMemberFromNodeID(pOffer->NodeID, &spMember);
}
if(SUCCEEDED(hr))
{
RegEntry reFileXfer(FILEXFER_KEY, HKEY_CURRENT_USER);
ASSERT(1 == pOffer->uNumFiles);
CFt::AcceptFileOffer( pOffer,
reFileXfer.GetString(REGVAL_FILEXFER_PATH),
pOffer->lpFileInfoList[0].szFileName
);
CComPtr<INmFt> spFt;
hr = CNmFtObj::CreateInstance(
this,
pOffer->hEvent, // hEvent
0, // hFile is 0 for now...
true, // bIsIncoming
pOffer->lpFileInfoList[0].szFileName, // FileName
pOffer->lpFileInfoList[0].lFileSize, // Size in Bytes of the file
spMember,
&spFt
);
if(SUCCEEDED(hr))
{
spFt.p->AddRef();
m_SDKFtObjs.Add(spFt.p);
Fire_FtUpdate(CONFN_FT_STARTED, spFt);
}
}
}
return S_OK;
}
INmFt* CNmChannelFtObj::_GetFtFromHEvent(MBFTEVENTHANDLE hEvent)
{
for(int i = 0; i < m_SDKFtObjs.GetSize(); ++i)
{
UINT CurhEvent;
if(SUCCEEDED(com_cast<IInternalFtObj>(m_SDKFtObjs[i])->GetHEvent(&CurhEvent)) && (hEvent == CurhEvent))
{
return m_SDKFtObjs[i];
}
}
return NULL;
}
STDMETHODIMP CNmChannelFtObj::OnFileProgress(MBFT_FILE_PROGRESS *pProgress)
{
DBGENTRY(CNmChannelFtObj::OnFileProgress);
HRESULT hr = S_OK;
INmFt* pFt = _GetFtFromHEvent(pProgress->hEvent);
if(pFt)
{
com_cast<IInternalFtObj>(pFt)->OnFileProgress(pProgress->hFile, pProgress->lFileSize, pProgress->lBytesTransmitted);
Fire_FtUpdate(CONFN_FT_PROGRESS, pFt);
}
DBGEXIT_HR(CNmChannelFtObj::OnFileProgress,hr);
return hr;
}
STDMETHODIMP CNmChannelFtObj::OnFileEnd(MBFTFILEHANDLE hFile)
{
// according to Lon, this is bogus
return S_OK;
}
STDMETHODIMP CNmChannelFtObj::OnFileError(MBFT_EVENT_ERROR *pEvent)
{
DBGENTRY(CNmChannelFtObj::OnFileError);
HRESULT hr = S_OK;
INmFt* pFt = _GetFtFromHEvent(pEvent->hEvent);
if(pFt)
{
com_cast<IInternalFtObj>(pFt)->OnError();
}
DBGEXIT_HR(CNmChannelFtObj::OnFileError,hr);
return hr;
}
STDMETHODIMP CNmChannelFtObj::OnFileEventEnd(MBFTEVENTHANDLE hEvent)
{
INmFt* pFt = _GetFtFromHEvent(hEvent);
if(pFt)
{
bool bHasSomeoneCanceled = (S_FALSE == com_cast<IInternalFtObj>(pFt)->FileTransferDone());
Fire_FtUpdate(bHasSomeoneCanceled ? CONFN_FT_CANCELED : CONFN_FT_COMPLETE, pFt);
_RemoveFt(pFt);
}
return S_OK;
}
STDMETHODIMP CNmChannelFtObj::OnSessionEnd(void)
{
CFt::UnAdvise(this);
return S_OK;
}