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// ---------------------------------------------------------------------------80
// ICQ plugin for Miranda Instant Messenger
// ________________________________________
//
// Copyright © 2000-2001 Richard Hughes, Roland Rabien, Tristan Van de Vreede
// Copyright © 2001-2002 Jon Keating, Richard Hughes
// Copyright © 2002-2004 Martin Öberg, Sam Kothari, Robert Rainwater
// Copyright © 2004-2009 Joe Kucera
// Copyright © 2012-2018 Miranda NG team
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License
// as published by the Free Software Foundation; either version 2
// of the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// -----------------------------------------------------------------------------
#include "stdafx.h"
void CIcqProto::handleFileAck(PBYTE buf, size_t wLen, DWORD dwUin, DWORD dwCookie, WORD wStatus)
{
char* pszFileName = nullptr;
DWORD dwFileSize;
MCONTACT hCookieContact;
WORD wPort;
filetransfer* ft;
// Find the filetransfer that belongs to this response
if (!FindCookie(dwCookie, &hCookieContact, (void**)&ft)) {
NetLog_Direct("Error: Received unexpected file transfer request response");
return;
}
FreeCookie(dwCookie);
if (hCookieContact != HContactFromUIN(dwUin, nullptr)) {
NetLog_Direct("Error: UINs do not match in file transfer request response");
return;
}
// If status != 0, a request has been denied
if (wStatus != 0) {
NetLog_Direct("File transfer denied by %u.", dwUin);
ProtoBroadcastAck(ft->hContact, ACKTYPE_FILE, ACKRESULT_DENIED, (HANDLE)ft, 0);
FreeCookie(dwCookie);
return;
}
if (wLen < 6) { // sanity check
NetLog_Direct("Ignoring malformed file transfer request response");
return;
}
// Port to connect to
unpackWord(&buf, &wPort);
ft->dwRemotePort = wPort;
wLen -= 2;
// Unknown
buf += 2;
wLen -= 2;
// Filename
size_t wFilenameLength;
unpackLEWord(&buf, &wFilenameLength);
if (wFilenameLength > 0) {
if (wFilenameLength > wLen - 2)
wFilenameLength = wLen - 2;
pszFileName = (char*)_alloca(wFilenameLength + 1);
unpackString(&buf, pszFileName, wFilenameLength);
pszFileName[wFilenameLength] = '\0';
}
wLen -= wFilenameLength+2;
if (wLen >= 4)
unpackLEDWord(&buf, &dwFileSize);
else
dwFileSize = 0;
NetLog_Direct("File transfer ack from %u, port %u, name %s, size %u", dwUin, ft->dwRemotePort, pszFileName, dwFileSize);
ProtoBroadcastAck(ft->hContact, ACKTYPE_FILE, ACKRESULT_CONNECTING, (HANDLE)ft, 0);
OpenDirectConnection(ft->hContact, DIRECTCONN_FILE, ft);
}
filetransfer* CIcqProto::CreateFileTransfer(MCONTACT hContact, DWORD dwUin, int nVersion)
{
filetransfer *ft = CreateIcqFileTransfer();
ft->dwUin = dwUin;
ft->hContact = hContact;
ft->nVersion = nVersion;
ft->pMessage.bMessageType = MTYPE_FILEREQ;
InitMessageCookie(&ft->pMessage);
return ft;
}
// pszDescription points to a string with the reason
// buf points to the first data after the string
void CIcqProto::handleFileRequest(PBYTE buf, DWORD dwUin, DWORD dwCookie, DWORD dwID1, DWORD dwID2, char* pszDescription, int nVersion, BOOL bDC)
{
BOOL bEmptyDesc = FALSE;
if (mir_strlen(pszDescription) == 0) {
pszDescription = Translate("No description given");
bEmptyDesc = TRUE;
}
// Empty port+pad
buf += 4;
// Filename
size_t wFilenameLength;
unpackLEWord(&buf, &wFilenameLength);
if (!wFilenameLength) {
NetLog_Direct("Ignoring malformed file send request");
return;
}
char *pszFileName = (char*)_alloca(wFilenameLength + 1);
unpackString(&buf, pszFileName, wFilenameLength);
pszFileName[wFilenameLength] = '\0';
// Total filesize
DWORD dwFileSize;
unpackLEDWord(&buf, &dwFileSize);
int bAdded;
MCONTACT hContact = HContactFromUIN(dwUin, &bAdded);
// Initialize a filetransfer struct
filetransfer *ft = CreateFileTransfer(hContact, dwUin, nVersion);
ft->dwCookie = dwCookie;
ft->szFilename = mir_strdup(pszFileName);
ft->szDescription = nullptr;
ft->fileId = -1;
ft->dwTotalSize = dwFileSize;
ft->pMessage.dwMsgID1 = dwID1;
ft->pMessage.dwMsgID2 = dwID2;
ft->bDC = bDC;
ft->bEmptyDesc = bEmptyDesc;
// Send chain event
wchar_t* ptszFileName = mir_utf8decodeW(pszFileName);
PROTORECVFILET pre = { 0 };
pre.dwFlags = PRFF_UNICODE;
pre.fileCount = 1;
pre.timestamp = time(nullptr);
pre.descr.w = mir_utf8decodeW(pszDescription);
pre.files.w = &ptszFileName;
pre.lParam = (LPARAM)ft;
ProtoChainRecvFile(hContact, &pre);
mir_free(pre.descr.w);
mir_free(ptszFileName);
}
void CIcqProto::handleDirectCancel()
{
NetLog_Direct("handleDirectCancel: Unhandled cancel");
}
// *******************************************************************************
void CIcqProto::icq_CancelFileTransfer(filetransfer* ft)
{
DWORD dwCookie;
if (FindCookieByData(ft, &dwCookie, nullptr))
FreeCookie(dwCookie); /* this bit stops a send that's waiting for acceptance */
if (IsValidFileTransfer(ft)) { // Transfer still out there, end it
NetLib_CloseConnection(&ft->hConnection, FALSE);
ProtoBroadcastAck(ft->hContact, ACKTYPE_FILE, ACKRESULT_FAILED, ft, 0);
if (!FindFileTransferDC(ft)) // Release orphan structure only
SafeReleaseFileTransfer((basic_filetransfer**)&ft);
}
}
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