Gadu-Gadu protocol

filetransfers and session code arrangement
fixes crashes when transfer file with not ascii chars in name and freeze when transfer second file parallel



git-svn-id: http://svn.miranda-ng.org/main/trunk@2321 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c

1 files changed, 160 insertions, 133 deletions

diff --git a/protocols/Gadu-Gadu/src/filetransfer.cpp b/protocols/Gadu-Gadu/src/filetransfer.cpp
index 86eae9458c..3503b0bc9a 100644
--- a/protocols/Gadu-Gadu/src/filetransfer.cpp
+++ b/protocols/Gadu-Gadu/src/filetransfer.cpp
@@ -59,7 +59,7 @@ void GGPROTO::dccstart()
 

 void GGPROTO::dccconnect(uin_t uin)

 {

-	struct gg_dcc *dcc;

+	struct gg_dcc *local_dcc;

 	HANDLE hContact = getcontact(uin, 0, 0, NULL);

 	DWORD ip, myuin; WORD port;

 

@@ -76,12 +76,12 @@ void GGPROTO::dccconnect(uin_t uin)
 	// If not port nor ip nor my uin (?) specified

 	if (!ip || !port || !uin) return;

 

-	if (!(dcc = gg_dcc_get_file(ip, port, myuin, uin)))

+	if (!(local_dcc = gg_dcc_get_file(ip, port, myuin, uin)))

 		return;

 

 	// Add client dcc to watches

 	gg_EnterCriticalSection(&ft_mutex, "dccconnect", 36, "ft_mutex", 1);

-	list_add(&watches, dcc, 0);

+	list_add(&watches, local_dcc, 0);

 	gg_LeaveCriticalSection(&ft_mutex, "dccconnect", 36, 1, "ft_mutex", 1);

 }

 

@@ -222,33 +222,37 @@ void __cdecl GGPROTO::dccmainthread(void*)
 		gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

 		while (l)

 		{

-			struct gg_common *c = (gg_common*)l->data;

-			struct gg_dcc *dcc = (gg_dcc*)l->data;

-			struct gg_dcc7 *dcc7 = (gg_dcc7*)l->data;

+			struct gg_common *local_c = (gg_common*)l->data;

+			struct gg_dcc *local_dcc = (gg_dcc*)l->data;

+			struct gg_dcc7 *local_dcc7 = (gg_dcc7*)l->data;

 			l = l->next;

 

-			switch (c->type)

+			switch (local_c->type)

 			{

 				default:

-					if (!dcc || (!FD_ISSET(dcc->fd, &rd) && !FD_ISSET(dcc->fd, &wd)))

+					if (!local_dcc || (!FD_ISSET(local_dcc->fd, &rd) && !FD_ISSET(local_dcc->fd, &wd)))

 						continue;

 

 					/////////////////////////////////////////////////////////////////

 					// Process DCC events

 

 					// Connection broken/closed

-					if (!(e = gg_dcc_socket_watch_fd(dcc)))

+					gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 2, "ft_mutex", 1);

+					if (!(e = gg_dcc_socket_watch_fd(local_dcc)))

 					{

 						netlog("dccmainthread(): Socket closed.");

 						// Remove socket and _close

-						list_remove(&watches, dcc, 0);

-						gg_dcc_socket_free(dcc);

+						gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

+						list_remove(&watches, local_dcc, 0);

+						gg_dcc_socket_free(local_dcc);

 

 						// Check if it's main socket

-						if (dcc == dcc) dcc = NULL;

+						if (local_dcc == dcc) dcc = NULL;

 						continue;

+					} else {

+						gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

+						netlog("dccmainthread(): Event: %s", ggdebug_eventtype(e));

 					}

-					else netlog("dccmainthread(): Event: %s", ggdebug_eventtype(e));

 

 					switch(e->type)

 					{

@@ -261,27 +265,29 @@ void __cdecl GGPROTO::dccmainthread(void*)
 						//

 						case GG_EVENT_NONE:

 							// If transfer in progress do status

-							if (dcc->file_fd != -1 && dcc->offset > 0 && (((tick = GetTickCount()) - dcc->tick) > GGSTATREFRESHEVERY))

+							if (local_dcc->file_fd != -1 && local_dcc->offset > 0 && (((tick = GetTickCount()) - local_dcc->tick) > GGSTATREFRESHEVERY))

 							{

 								PROTOFILETRANSFERSTATUS pfts;

-								dcc->tick = tick;

-								strncpy(filename, dcc->folder, sizeof(filename));

-								strncat(filename, (char*)dcc->file_info.filename, sizeof(filename) - strlen(filename));

+								local_dcc->tick = tick;

+								strncpy(filename, local_dcc->folder, sizeof(filename));

+								strncat(filename, (char*)local_dcc->file_info.filename, sizeof(filename) - strlen(filename));

 								memset(&pfts, 0, sizeof(PROTOFILETRANSFERSTATUS));

 								pfts.cbSize = sizeof(PROTOFILETRANSFERSTATUS);

-								pfts.hContact = (HANDLE)dcc->contact;

-								pfts.flags = (dcc->type == GG_SESSION_DCC_SEND);

+								pfts.hContact = (HANDLE)local_dcc->contact;

+								pfts.flags = (local_dcc->type == GG_SESSION_DCC_SEND);

 								pfts.pszFiles = NULL;

 								pfts.totalFiles = 1;

 								pfts.currentFileNumber = 0;

-								pfts.totalBytes = dcc->file_info.size;

-								pfts.totalProgress = dcc->offset;

-								pfts.szWorkingDir = dcc->folder;

+								pfts.totalBytes = local_dcc->file_info.size;

+								pfts.totalProgress = local_dcc->offset;

+								pfts.szWorkingDir = local_dcc->folder;

 								pfts.szCurrentFile = filename;

-								pfts.currentFileSize = dcc->file_info.size;

-								pfts.currentFileProgress = dcc->offset;

+								pfts.currentFileSize = local_dcc->file_info.size;

+								pfts.currentFileProgress = local_dcc->offset;

 								pfts.currentFileTime = 0;

-								ProtoBroadcastAck(m_szModuleName, dcc->contact, ACKTYPE_FILE, ACKRESULT_DATA, dcc, (LPARAM)&pfts);

+								gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 3, "ft_mutex", 1);

+								ProtoBroadcastAck(m_szModuleName, local_dcc->contact, ACKTYPE_FILE, ACKRESULT_DATA, local_dcc, (LPARAM)&pfts);

+								gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

 							}

 							break;

 

@@ -289,33 +295,37 @@ void __cdecl GGPROTO::dccmainthread(void*)
 						case GG_EVENT_DCC_DONE:

 							netlog("dccmainthread(): Client: %d, Transfer done ! Closing connection.", dcc->peer_uin);

 							// Remove from watches

-							list_remove(&watches, dcc, 0);

+							list_remove(&watches, local_dcc, 0);

 							// Close file & success

-							if (dcc->file_fd != -1)

+							if (local_dcc->file_fd != -1)

 							{

 								PROTOFILETRANSFERSTATUS pfts;

-								strncpy(filename, dcc->folder, sizeof(filename));

-								strncat(filename, (char*)dcc->file_info.filename, sizeof(filename) - strlen(filename));

+								strncpy(filename, local_dcc->folder, sizeof(filename));

+								strncat(filename, (char*)local_dcc->file_info.filename, sizeof(filename) - strlen(filename));

 								memset(&pfts, 0, sizeof(PROTOFILETRANSFERSTATUS));

 								pfts.cbSize = sizeof(PROTOFILETRANSFERSTATUS);

-								pfts.hContact = (HANDLE)dcc->contact;

-								pfts.flags = (dcc->type == GG_SESSION_DCC_SEND);

+								pfts.hContact = (HANDLE)local_dcc->contact;

+								pfts.flags = (local_dcc->type == GG_SESSION_DCC_SEND);

 								pfts.pszFiles = NULL;

 								pfts.totalFiles = 1;

 								pfts.currentFileNumber = 0;

-								pfts.totalBytes = dcc->file_info.size;

-								pfts.totalProgress = dcc->file_info.size;

-								pfts.szWorkingDir = dcc->folder;

+								pfts.totalBytes = local_dcc->file_info.size;

+								pfts.totalProgress = local_dcc->file_info.size;

+								pfts.szWorkingDir = local_dcc->folder;

 								pfts.szCurrentFile = filename;

-								pfts.currentFileSize = dcc->file_info.size;

-								pfts.currentFileProgress = dcc->file_info.size;

+								pfts.currentFileSize = local_dcc->file_info.size;

+								pfts.currentFileProgress = local_dcc->file_info.size;

 								pfts.currentFileTime = 0;

-								ProtoBroadcastAck(m_szModuleName, dcc->contact, ACKTYPE_FILE, ACKRESULT_DATA, dcc, (LPARAM)&pfts);

-								_close(dcc->file_fd); dcc->file_fd = -1;

-								ProtoBroadcastAck(m_szModuleName, dcc->contact, ACKTYPE_FILE, ACKRESULT_SUCCESS, dcc, 0);

+								gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 4, "ft_mutex", 1);

+								ProtoBroadcastAck(m_szModuleName, local_dcc->contact, ACKTYPE_FILE, ACKRESULT_DATA, local_dcc, (LPARAM)&pfts);

+								gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

+								_close(local_dcc->file_fd); local_dcc->file_fd = -1;

+								gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 5, "ft_mutex", 1);

+								ProtoBroadcastAck(m_szModuleName, local_dcc->contact, ACKTYPE_FILE, ACKRESULT_SUCCESS, local_dcc, 0);

+								gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

 							}

 							// Free dcc

-							gg_free_dcc(dcc); if (dcc == dcc) dcc = NULL;

+							gg_free_dcc(local_dcc); if (local_dcc == dcc) dcc = NULL;

 							break;

 

 						// Client error

@@ -323,53 +333,55 @@ void __cdecl GGPROTO::dccmainthread(void*)
 							switch (e->event.dcc_error)

 							{

 								case GG_ERROR_DCC_HANDSHAKE:

-									netlog("dccmainthread(): Client: %d, Handshake error.", dcc->peer_uin);

+									netlog("dccmainthread(): Client: %d, Handshake error.", local_dcc->peer_uin);

 									break;

 								case GG_ERROR_DCC_NET:

-									netlog("dccmainthread(): Client: %d, Network error.", dcc->peer_uin);

+									netlog("dccmainthread(): Client: %d, Network error.", local_dcc->peer_uin);

 									break;

 								case GG_ERROR_DCC_FILE:

-									netlog("dccmainthread(): Client: %d, File read/write error.", dcc->peer_uin);

+									netlog("dccmainthread(): Client: %d, File read/write error.", local_dcc->peer_uin);

 									break;

 								case GG_ERROR_DCC_EOF:

-									netlog("dccmainthread(): Client: %d, End of file/connection error.", dcc->peer_uin);

+									netlog("dccmainthread(): Client: %d, End of file/connection error.", local_dcc->peer_uin);

 									break;

 								case GG_ERROR_DCC_REFUSED:

-									netlog("dccmainthread(): Client: %d, Connection refused error.", dcc->peer_uin);

+									netlog("dccmainthread(): Client: %d, Connection refused error.", local_dcc->peer_uin);

 									break;

 								default:

-									netlog("dccmainthread(): Client: %d, Unknown error.", dcc->peer_uin);

+									netlog("dccmainthread(): Client: %d, Unknown error.", local_dcc->peer_uin);

 							}

 							// Don't do anything if it's main socket

-							if (dcc == dcc) break;

+							if (local_dcc == dcc) break;

 

 							// Remove from watches

-							list_remove(&watches, dcc, 0);

+							list_remove(&watches, local_dcc, 0);

 

 							// Close file & fail

-							if (dcc->contact)

+							if (local_dcc->contact)

 							{

-								_close(dcc->file_fd); dcc->file_fd = -1;

-								ProtoBroadcastAck(m_szModuleName, dcc->contact, ACKTYPE_FILE, ACKRESULT_FAILED, dcc, 0);

+								_close(local_dcc->file_fd); local_dcc->file_fd = -1;

+								gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 6, "ft_mutex", 1);

+								ProtoBroadcastAck(m_szModuleName, local_dcc->contact, ACKTYPE_FILE, ACKRESULT_FAILED, local_dcc, 0);

+								gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

 							}

 							// Free dcc

-							gg_free_dcc(dcc); if (dcc == dcc) dcc = NULL;

+							gg_free_dcc(local_dcc); if (local_dcc == dcc) dcc = NULL;

 							break;

 

 						// Need file acknowledgement

 						case GG_EVENT_DCC_NEED_FILE_ACK:

-							netlog("dccmainthread(): Client: %d, File ack filename \"%s\" size %d.", dcc->peer_uin,

-								dcc->file_info.filename, dcc->file_info.size);

+							netlog("dccmainthread(): Client: %d, File ack filename \"%s\" size %d.", local_dcc->peer_uin,

+									local_dcc->file_info.filename, local_dcc->file_info.size);

 							// Do not watch for transfer until user accept it

-							list_remove(&watches, dcc, 0);

+							list_remove(&watches, local_dcc, 0);

 							// Add to waiting transfers

-							list_add(&transfers, dcc, 0);

+							list_add(&transfers, local_dcc, 0);

 

 							//////////////////////////////////////////////////

 							// Add file recv request

 							{

 								// Make new ggtransfer struct

-								dcc->contact = getcontact(dcc->peer_uin, 0, 0, NULL);

+								local_dcc->contact = getcontact(local_dcc->peer_uin, 0, 0, NULL);

 								TCHAR* filenameT = mir_utf8decodeT((char*)dcc->file_info.filename);

 

 								PROTORECVFILET pre = {0};

@@ -378,10 +390,12 @@ void __cdecl GGPROTO::dccmainthread(void*)
 								pre.timestamp = time(NULL);

 								pre.tszDescription = filenameT;

 								pre.ptszFiles = &filenameT;

-								pre.lParam = (LPARAM)dcc7;

+								pre.lParam = (LPARAM)local_dcc;

 

-								CCSDATA ccs = { dcc7->contact, PSR_FILE, 0, (LPARAM)&pre };

+								CCSDATA ccs = { local_dcc->contact, PSR_FILE, 0, (LPARAM)&pre };

+								gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 7, "ft_mutex", 1);

 								CallService(MS_PROTO_CHAINRECV, 0, (LPARAM)&ccs);

+								gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

 

 								mir_free(filenameT);

 							}

@@ -389,48 +403,48 @@ void __cdecl GGPROTO::dccmainthread(void*)
 

 						// Need client accept

 						case GG_EVENT_DCC_CLIENT_ACCEPT:

-							netlog("dccmainthread(): Client: %d, Client accept.", dcc->peer_uin);

+							netlog("dccmainthread(): Client: %d, Client accept.", local_dcc->peer_uin);

 							// Check if user is on the list and if it is my uin

-							if (getcontact(dcc->peer_uin, 0, 0, NULL) &&

-								db_get_dw(NULL, m_szModuleName, GG_KEY_UIN, -1) == dcc->uin)

+							if (getcontact(local_dcc->peer_uin, 0, 0, NULL) &&

+								db_get_dw(NULL, m_szModuleName, GG_KEY_UIN, -1) == local_dcc->uin)

 								break;

 

 							// Kill unauthorized dcc

 							list_remove(&watches, dcc, 0);

-							gg_free_dcc(dcc); if (dcc == dcc) dcc = NULL;

+							gg_free_dcc(local_dcc); if (local_dcc == dcc) dcc = NULL;

 							break;

 

 						// Client connected as we wished to (callback)

 						case GG_EVENT_DCC_CALLBACK:

 						{

 							int found = 0;

-							netlog("dccmainthread(): Callback from client %d.", dcc->peer_uin);

+							netlog("dccmainthread(): Callback from client %d.", local_dcc->peer_uin);

 							// Seek for stored callback request

 							for (l = requests; l; l = l->next)

 							{

 								struct gg_dcc *req = (gg_dcc*)l->data;

 

-								if (req && req->peer_uin == dcc->peer_uin)

+								if (req && req->peer_uin == local_dcc->peer_uin)

 								{

-									gg_dcc_set_type(dcc, GG_SESSION_DCC_SEND);

+									gg_dcc_set_type(local_dcc, GG_SESSION_DCC_SEND);

 									found = 1;

 

 									// Copy data req ===> dcc

-									dcc->folder = req->folder;

-									dcc->contact = req->contact;

-									dcc->file_fd = req->file_fd;

-									memcpy(&dcc->file_info, &req->file_info, sizeof(struct gg_file_info));

+									local_dcc->folder = req->folder;

+									local_dcc->contact = req->contact;

+									local_dcc->file_fd = req->file_fd;

+									memcpy(&local_dcc->file_info, &req->file_info, sizeof(struct gg_file_info));

 									// Copy data back to dcc ===> req

-									memcpy(req, dcc, sizeof(struct gg_dcc));

+									memcpy(req, local_dcc, sizeof(struct gg_dcc));

 

 									// Remove request

 									list_remove(&requests, req, 0);

 									// Remove dcc from watches

-									list_remove(&watches, dcc, 0);

+									list_remove(&watches, local_dcc, 0);

 									// Add request to watches

 									list_add(&watches, req, 0);

 									// Free old dat

-									gg_free_dcc(dcc);

+									gg_free_dcc(local_dcc);

 									netlog("dccmainthread(): Found stored request to client %d, filename \"%s\" size %d, folder \"%s\".",

 										req->peer_uin, req->file_info.filename, req->file_info.size, req->folder);

 									break;

@@ -439,10 +453,10 @@ void __cdecl GGPROTO::dccmainthread(void*)
 

 							if (!found)

 							{

-								netlog("dccmainthread(): Unknown request to client %d.", dcc->peer_uin);

+								netlog("dccmainthread(): Unknown request to client %d.", local_dcc->peer_uin);

 								// Kill unauthorized dcc

-								list_remove(&watches, dcc, 0);

-								gg_free_dcc(dcc); if (dcc == dcc) dcc = NULL;

+								list_remove(&watches, local_dcc, 0);

+								gg_free_dcc(local_dcc); if (local_dcc == dcc) dcc = NULL;

 							}

 							break;

 						}

@@ -456,49 +470,55 @@ void __cdecl GGPROTO::dccmainthread(void*)
 				case GG_SESSION_DCC7_GET:

 				case GG_SESSION_DCC7_SEND:

 				case GG_SESSION_DCC7_VOICE:

-					if (!dcc7 || (!FD_ISSET(dcc7->fd, &rd) && !FD_ISSET(dcc7->fd, &wd)))

+					if (!local_dcc7 || (!FD_ISSET(local_dcc7->fd, &rd) && !FD_ISSET(local_dcc7->fd, &wd)))

 						continue;

 

 					/////////////////////////////////////////////////////////////////

 					// Process DCC7 events

 

 					// Connection broken/closed

-					if (!(e = gg_dcc7_watch_fd(dcc7)))

+					gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 8, "ft_mutex", 1);

+					if (!(e = gg_dcc7_watch_fd(local_dcc7)))

 					{

 						netlog("dccmainthread(): Socket closed.");

 						// Remove socket and _close

-						list_remove(&watches, dcc7, 0);

-						gg_dcc7_free(dcc7);

+						gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

+						list_remove(&watches, local_dcc7, 0);

+						gg_dcc7_free(local_dcc7);

 						continue;

+					} else {

+						gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

+						netlog("dccmainthread(): Event: %s", ggdebug_eventtype(e));

 					}

-					else netlog("dccmainthread(): Event: %s", ggdebug_eventtype(e));

 

 					switch(e->type)

 					{

 						//

 						case GG_EVENT_NONE:

 							// If transfer in progress do status

-							if (dcc7->file_fd != -1 && dcc7->offset > 0 && (((tick = GetTickCount()) - dcc7->tick) > GGSTATREFRESHEVERY))

+							if (local_dcc7->file_fd != -1 && local_dcc7->offset > 0 && (((tick = GetTickCount()) - local_dcc7->tick) > GGSTATREFRESHEVERY))

 							{

 								PROTOFILETRANSFERSTATUS pfts;

-								dcc7->tick = tick;

-								strncpy(filename, dcc7->folder, sizeof(filename));

-								strncat(filename, (char*)dcc7->filename, sizeof(filename) - strlen(filename));

+								local_dcc7->tick = tick;

+								strncpy(filename, local_dcc7->folder, sizeof(filename));

+								strncat(filename, (char*)local_dcc7->filename, sizeof(filename) - strlen(filename));

 								memset(&pfts, 0, sizeof(PROTOFILETRANSFERSTATUS));

 								pfts.cbSize = sizeof(PROTOFILETRANSFERSTATUS);

-								pfts.hContact = (HANDLE)dcc7->contact;

-								pfts.flags = (dcc7->type == GG_SESSION_DCC7_SEND);

+								pfts.hContact = (HANDLE)local_dcc7->contact;

+								pfts.flags = (local_dcc7->type == GG_SESSION_DCC7_SEND);

 								pfts.pszFiles = NULL;

 								pfts.totalFiles = 1;

 								pfts.currentFileNumber = 0;

-								pfts.totalBytes = dcc7->size;

-								pfts.totalProgress = dcc7->offset;

-								pfts.szWorkingDir = dcc7->folder;

+								pfts.totalBytes = local_dcc7->size;

+								pfts.totalProgress = local_dcc7->offset;

+								pfts.szWorkingDir = local_dcc7->folder;

 								pfts.szCurrentFile = filename;

-								pfts.currentFileSize = dcc7->size;

-								pfts.currentFileProgress = dcc7->offset;

+								pfts.currentFileSize = local_dcc7->size;

+								pfts.currentFileProgress = local_dcc7->offset;

 								pfts.currentFileTime = 0;

-								ProtoBroadcastAck(m_szModuleName, dcc7->contact, ACKTYPE_FILE, ACKRESULT_DATA, dcc7, (LPARAM)&pfts);

+								gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 9, "ft_mutex", 1);

+								ProtoBroadcastAck(m_szModuleName, local_dcc7->contact, ACKTYPE_FILE, ACKRESULT_DATA, local_dcc7, (LPARAM)&pfts);

+								gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

 							}

 							break;

 

@@ -506,33 +526,37 @@ void __cdecl GGPROTO::dccmainthread(void*)
 						case GG_EVENT_DCC7_DONE:

 							netlog("dccmainthread(): Client: %d, Transfer done ! Closing connection.", dcc->peer_uin);

 							// Remove from watches

-							list_remove(&watches, dcc7, 0);

+							list_remove(&watches, local_dcc7, 0);

 							// Close file & success

-							if (dcc7->file_fd != -1)

+							if (local_dcc7->file_fd != -1)

 							{

 								PROTOFILETRANSFERSTATUS pfts;

-								strncpy(filename, dcc7->folder, sizeof(filename));

-								strncat(filename, (char*)dcc7->filename, sizeof(filename) - strlen(filename));

+								strncpy(filename, local_dcc7->folder, sizeof(filename));

+								strncat(filename, (char*)local_dcc7->filename, sizeof(filename) - strlen(filename));

 								memset(&pfts, 0, sizeof(PROTOFILETRANSFERSTATUS));

 								pfts.cbSize = sizeof(PROTOFILETRANSFERSTATUS);

-								pfts.hContact = (HANDLE)dcc7->contact;

-								pfts.flags = (dcc7->type == GG_SESSION_DCC7_SEND);

+								pfts.hContact = (HANDLE)local_dcc7->contact;

+								pfts.flags = (local_dcc7->type == GG_SESSION_DCC7_SEND);

 								pfts.pszFiles = NULL;

 								pfts.totalFiles = 1;

 								pfts.currentFileNumber = 0;

-								pfts.totalBytes = dcc7->size;

-								pfts.totalProgress = dcc7->size;

-								pfts.szWorkingDir = dcc7->folder;

+								pfts.totalBytes = local_dcc7->size;

+								pfts.totalProgress = local_dcc7->size;

+								pfts.szWorkingDir = local_dcc7->folder;

 								pfts.szCurrentFile = filename;

-								pfts.currentFileSize = dcc7->size;

-								pfts.currentFileProgress = dcc7->size;

+								pfts.currentFileSize = local_dcc7->size;

+								pfts.currentFileProgress = local_dcc7->size;

 								pfts.currentFileTime = 0;

-								ProtoBroadcastAck(m_szModuleName, dcc7->contact, ACKTYPE_FILE, ACKRESULT_DATA, dcc7, (LPARAM)&pfts);

-								_close(dcc7->file_fd); dcc7->file_fd = -1;

-								ProtoBroadcastAck(m_szModuleName, dcc7->contact, ACKTYPE_FILE, ACKRESULT_SUCCESS, dcc7, 0);

+								gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 10, "ft_mutex", 1);

+								ProtoBroadcastAck(m_szModuleName, local_dcc7->contact, ACKTYPE_FILE, ACKRESULT_DATA, local_dcc7, (LPARAM)&pfts);

+								gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

+								_close(local_dcc7->file_fd); local_dcc7->file_fd = -1;

+								gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 11, "ft_mutex", 1);

+								ProtoBroadcastAck(m_szModuleName, local_dcc7->contact, ACKTYPE_FILE, ACKRESULT_SUCCESS, local_dcc7, 0);

+								gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

 							}

 							// Free dcc

-							gg_dcc7_free(dcc7);

+							gg_dcc7_free(local_dcc7);

 							break;

 

 						// Client error

@@ -540,41 +564,44 @@ void __cdecl GGPROTO::dccmainthread(void*)
 							switch (e->event.dcc7_error)

 							{

 								case GG_ERROR_DCC7_HANDSHAKE:

-									netlog("dccmainthread(): Client: %d, Handshake error.", dcc7->peer_uin);

+									netlog("dccmainthread(): Client: %d, Handshake error.", local_dcc7->peer_uin);

 									break;

 								case GG_ERROR_DCC7_NET:

-									netlog("dccmainthread(): Client: %d, Network error.", dcc7->peer_uin);

+									netlog("dccmainthread(): Client: %d, Network error.", local_dcc7->peer_uin);

 									break;

 								case GG_ERROR_DCC7_FILE:

-									netlog("dccmainthread(): Client: %d, File read/write error.", dcc7->peer_uin);

+									netlog("dccmainthread(): Client: %d, File read/write error.", local_dcc7->peer_uin);

 									break;

 								case GG_ERROR_DCC7_EOF:

-									netlog("dccmainthread(): Client: %d, End of file/connection error.", dcc7->peer_uin);

+									netlog("dccmainthread(): Client: %d, End of file/connection error.", local_dcc7->peer_uin);

 									break;

 								case GG_ERROR_DCC7_REFUSED:

-									netlog("dccmainthread(): Client: %d, Connection refused error.", dcc7->peer_uin);

+									netlog("dccmainthread(): Client: %d, Connection refused error.", local_dcc7->peer_uin);

 									break;

 								case GG_ERROR_DCC7_RELAY:

-									netlog("dccmainthread(): Client: %d, Relay connection error.", dcc7->peer_uin);

+									netlog("dccmainthread(): Client: %d, Relay connection error.", local_dcc7->peer_uin);

 									break;

 								default:

-									netlog("dccmainthread(): Client: %d, Unknown error.", dcc7->peer_uin);

+									netlog("dccmainthread(): Client: %d, Unknown error.", local_dcc7->peer_uin);

 							}

 							// Remove from watches

-							list_remove(&watches, dcc7, 0);

+							list_remove(&watches, local_dcc7, 0);

 

 							// Close file & fail

-							if (dcc7->file_fd != -1)

+							if (local_dcc7->file_fd != -1)

 							{

-								_close(dcc7->file_fd);

-								dcc7->file_fd = -1;

+								_close(local_dcc7->file_fd);

+								local_dcc7->file_fd = -1;

 							}

 

-							if (dcc7->contact)

-								ProtoBroadcastAck(m_szModuleName, dcc7->contact, ACKTYPE_FILE, ACKRESULT_FAILED, dcc7, 0);

+							if (local_dcc7->contact) {

+								gg_LeaveCriticalSection(&ft_mutex, "dccmainthread", 37, 12, "ft_mutex", 1);

+								ProtoBroadcastAck(m_szModuleName, local_dcc7->contact, ACKTYPE_FILE, ACKRESULT_FAILED, local_dcc7, 0);

+								gg_EnterCriticalSection(&ft_mutex, "dccmainthread", 37, "ft_mutex", 1);

+							}

 

 							// Free dcc

-							gg_dcc7_free(dcc7);

+							gg_dcc7_free(local_dcc7);

 							break;

 					}

 

@@ -593,16 +620,16 @@ void __cdecl GGPROTO::dccmainthread(void*)
 		if (!c) continue;

 		if (c->type == GG_SESSION_DCC7_SOCKET || c->type == GG_SESSION_DCC7_SEND || c->type == GG_SESSION_DCC7_GET)

 		{

-			struct gg_dcc7 *dcc7 = (gg_dcc7*)l->data;

-			gg_dcc7_free(dcc7);

+			struct gg_dcc7 *local_dcc7 = (gg_dcc7*)l->data;

+			gg_dcc7_free(local_dcc7);

 		}

 		else

 		{

-			struct gg_dcc *dcc = (gg_dcc*)l->data;

-			gg_dcc_socket_free(dcc);

+			struct gg_dcc *local_dcc = (gg_dcc*)l->data;

+			gg_dcc_socket_free(local_dcc);

 

 			// Check if it's main socket

-			if (dcc == dcc) dcc = NULL;

+			if (local_dcc == dcc) dcc = NULL;

 		}

 	}

 	// Close all waiting for aknowledgle transfers

@@ -612,20 +639,20 @@ void __cdecl GGPROTO::dccmainthread(void*)
 		if (!c) continue;

 		if (c->type == GG_SESSION_DCC7_SOCKET || c->type == GG_SESSION_DCC7_SEND || c->type == GG_SESSION_DCC7_GET)

 		{

-			struct gg_dcc7 *dcc7 = (gg_dcc7*)l->data;

-			gg_dcc7_free(dcc7);

+			struct gg_dcc7 *local_dcc7 = (gg_dcc7*)l->data;

+			gg_dcc7_free(local_dcc7);

 		}

 		else

 		{

-			struct gg_dcc *dcc = (gg_dcc*)l->data;

-			gg_dcc_socket_free(dcc);

+			struct gg_dcc *local_dcc = (gg_dcc*)l->data;

+			gg_dcc_socket_free(local_dcc);

 		}

 	}

 	// Close all waiting dcc requests

 	for (l = requests; l; l = l->next)

 	{

-		struct gg_dcc *dcc = (gg_dcc*)l->data;

-		if (dcc) gg_free_dcc(dcc);

+		struct gg_dcc *local_dcc = (gg_dcc*)l->data;

+		if (local_dcc) gg_free_dcc(local_dcc);

 	}

 	list_destroy(watches, 0);

 	list_destroy(transfers, 0);