1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
// ---------------------------------------------------------------------------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 © 2012-2014 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 = NULL;
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, NULL)) {
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 = 0;
ft->fileId = -1;
ft->dwTotalSize = dwFileSize;
ft->pMessage.dwMsgID1 = dwID1;
ft->pMessage.dwMsgID2 = dwID2;
ft->bDC = bDC;
ft->bEmptyDesc = bEmptyDesc;
// Send chain event
TCHAR* ptszFileName = mir_utf8decodeT(pszFileName);
PROTORECVFILET pre = { 0 };
pre.dwFlags = PRFF_TCHAR;
pre.fileCount = 1;
pre.timestamp = time(NULL);
pre.tszDescription = mir_utf8decodeT(pszDescription);
pre.ptszFiles = &ptszFileName;
pre.lParam = (LPARAM)ft;
ProtoChainRecvFile(hContact, &pre);
mir_free(pre.tszDescription);
mir_free(ptszFileName);
}
void CIcqProto::handleDirectCancel()
{
NetLog_Direct("handleDirectCancel: Unhandled cancel");
}
// *******************************************************************************
void CIcqProto::icq_CancelFileTransfer(filetransfer* ft)
{
DWORD dwCookie;
if (FindCookieByData(ft, &dwCookie, NULL))
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((void**)&ft);
}
}
}
|
