-
Notifications
You must be signed in to change notification settings - Fork 0
/
ClientList.cpp
1519 lines (1393 loc) · 49 KB
/
ClientList.cpp
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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
//this file is part of eMule
//Copyright (C)2002-2008 Merkur ( strEmail.Format("%s@%s", "devteam", "emule-project.net") / http://www.emule-project.net )
//
//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., 675 Mass Ave, Cambridge, MA 02139, USA.
#include "stdafx.h"
#include "emule.h"
#include "ClientList.h"
#include "otherfunctions.h"
#include "Kademlia/Kademlia/kademlia.h"
#include "Kademlia/Kademlia/prefs.h"
#include "Kademlia/Kademlia/search.h"
#include "Kademlia/Kademlia/searchmanager.h"
#include "Kademlia/routing/contact.h"
#include "Kademlia/net/kademliaudplistener.h"
#include "kademlia/kademlia/UDPFirewallTester.h"
#include "kademlia/utils/UInt128.h"
//Xman
/*
#include "LastCommonRouteFinder.h"
*/
//Xman end
#include "UploadQueue.h"
#include "DownloadQueue.h"
#include "UpDownClient.h"
#include "ClientCredits.h"
#include "ListenSocket.h"
#include "Opcodes.h"
#include "Sockets.h"
#include "emuledlg.h"
#include "TransferDlg.h"
#include "serverwnd.h"
#include "Log.h"
#include "packets.h"
#include "Statistics.h"
#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
CClientList::CClientList(){
// ==> {relax on startup} [WiZaRd]
/*
m_dwLastBannCleanUp = 0;
m_dwLastTrackedCleanUp = 0;
m_dwLastClientCleanUp = 0;
*/
const uint32 cur_tick = ::GetTickCount();
m_dwLastBannCleanUp = cur_tick+CLIENTBANTIME;
m_dwLastTrackedCleanUp = cur_tick+KEEPTRACK_TIME;
m_dwLastClientCleanUp = cur_tick;
// <== {relax on startup} [WiZaRd]
m_nBuddyStatus = Disconnected;
//Xman
/*
m_bannedList.InitHashTable(331);
m_trackedClientsList.InitHashTable(2011);
*/
m_bannedList.InitHashTable(571);
m_trackedClientsList.InitHashTable(4999);
//Xman end
m_globDeadSourceList.Init(true);
m_pBuddy = NULL;
}
CClientList::~CClientList(){
RemoveAllTrackedClients();
}
void CClientList::GetStatistics(uint32 &ruTotalClients, int stats[NUM_CLIENTLIST_STATS],
CMap<uint32, uint32, uint32, uint32>& clientVersionEDonkey,
CMap<uint32, uint32, uint32, uint32>& clientVersionEDonkeyHybrid,
CMap<uint32, uint32, uint32, uint32>& clientVersionEMule,
//Xman extended stats
/*
CMap<uint32, uint32, uint32, uint32>& clientVersionAMule)
*/
CMap<uint32, uint32, uint32, uint32>& clientVersionAMule,
CMap<POSITION, POSITION, uint32, uint32>& MODs,
uint32 &totalMODs,
CMap<Country_Struct*, Country_Struct*, uint32, uint32>& pCountries
//Xman end
)
{
ruTotalClients = list.GetCount();
memset(stats, 0, sizeof(stats[0]) * NUM_CLIENTLIST_STATS);
//Xman extended stats
POSITION pos_MOD;
CString strMODName;
uint32 dwCount;
Country_Struct* cstruct;
//reset values
totalMODs = 0;
MODs.RemoveAll();
pCountries.RemoveAll();
static uint32 lastmodlistclean;
if(::GetTickCount()-lastmodlistclean> HR2MS(6))
{
//don´t clean it up every time -> jumping statistics
lastmodlistclean=::GetTickCount();
liMODsTypes.RemoveAll(); //Xman extended stats
}
//Xman end
for (POSITION pos = list.GetHeadPosition(); pos != NULL; )
{
const CUpDownClient* cur_client = list.GetNext(pos);
if (cur_client->HasLowID())
stats[14]++;
switch (cur_client->GetClientSoft())
{
case SO_EMULE:
case SO_OLDEMULE:
stats[2]++;
clientVersionEMule[cur_client->GetVersion()]++;
//Xman extended stats
strMODName = cur_client->GetClientModVer();
if (!strMODName.IsEmpty())
{
//extract modname without version
int length=strMODName.GetLength();
int i;
for(i=0;i<length;i++)
{
if(strMODName.GetAt(i)>=_T('0') && strMODName.GetAt(i)<=_T('9'))
break;
}
if(i<length && i>0)
strMODName=strMODName.Left(i);
if(strMODName.Right(1)==_T('v') && strMODName.GetLength()>2)
{
strMODName = strMODName.Left(strMODName.GetLength()-1);
}
strMODName.Trim();
totalMODs++;
pos_MOD = liMODsTypes.Find(strMODName);
if (!pos_MOD)
{
pos_MOD = liMODsTypes.AddTail(strMODName);
MODs.SetAt(pos_MOD, 1);
}
else
{
dwCount = 0;
MODs.Lookup(pos_MOD, dwCount);
MODs.SetAt(pos_MOD, ++dwCount);
}
}
//Xman end
break;
case SO_EDONKEYHYBRID :
stats[4]++;
clientVersionEDonkeyHybrid[cur_client->GetVersion()]++;
break;
case SO_AMULE:
stats[10]++;
clientVersionAMule[cur_client->GetVersion()]++;
break;
case SO_EDONKEY:
stats[1]++;
clientVersionEDonkey[cur_client->GetVersion()]++;
break;
case SO_MLDONKEY:
stats[3]++;
break;
case SO_SHAREAZA:
stats[11]++;
break;
// all remaining 'eMule Compatible' clients
// ==> Enhanced Client Recognition [Spike] - Stulle
case SO_HYDRANODE:
case SO_EMULEPLUS:
case SO_TRUSTYFILES:
// <== Enhanced Client Recognition [Spike] - Stulle
case SO_CDONKEY:
case SO_XMULE:
case SO_LPHANT:
stats[5]++;
break;
default:
stats[0]++;
break;
}
//Xman extended stats
//count the countries
CMap<Country_Struct*, Country_Struct*, uint32, uint32>::CPair *pPair;
cstruct = cur_client->m_structUserCountry;
pPair = pCountries.PLookup(cstruct);
if (pPair != NULL)
pPair->value++;
else
pCountries.SetAt(cstruct, 1);
//Xman end
if (cur_client->Credits() != NULL)
{
switch (cur_client->Credits()->GetCurrentIdentState(cur_client->GetIP()))
{
case IS_IDENTIFIED:
stats[12]++;
break;
case IS_IDFAILED:
case IS_IDNEEDED:
case IS_IDBADGUY:
stats[13]++;
break;
}
}
if (cur_client->GetDownloadState()==DS_ERROR)
stats[6]++; // Error
switch (cur_client->GetUserPort())
{
case 4662:
stats[8]++; // Default Port
break;
default:
stats[9]++; // Other Port
}
// Network client stats
if (cur_client->GetServerIP() && cur_client->GetServerPort())
{
stats[15]++; // eD2K
if(cur_client->GetKadPort())
{
stats[17]++; // eD2K/Kad
stats[16]++; // Kad
}
}
else if (cur_client->GetKadPort())
stats[16]++; // Kad
else
stats[18]++; // Unknown
}
}
void CClientList::AddClient(CUpDownClient* toadd, bool bSkipDupTest)
{
// skipping the check for duplicate list entries is only to be done for optimization purposes, if the calling
// function has ensured that this client instance is not already within the list -> there are never duplicate
// client instances in this list.
if (!bSkipDupTest){
if(list.Find(toadd))
return;
}
theApp.emuledlg->transferwnd->GetClientList()->AddClient(toadd);
list.AddTail(toadd);
}
/* Xman
// ZZ:UploadSpeedSense -->
bool CClientList::GiveClientsForTraceRoute() {
// this is a host that lastCommonRouteFinder can use to traceroute
return theApp.lastCommonRouteFinder->AddHostsToCheck(list);
}
// ZZ:UploadSpeedSense <--
*/
void CClientList::RemoveClient(CUpDownClient* toremove, LPCTSTR pszReason){
POSITION pos = list.Find(toremove);
if (pos){
theApp.uploadqueue->RemoveFromUploadQueue(toremove, CString(_T("CClientList::RemoveClient: ")) + pszReason);
theApp.uploadqueue->RemoveFromWaitingQueue(toremove);
// ==> SUQWT [Moonlight/EastShare/ MorphXT] - Stulle
if ( toremove != NULL && toremove->Credits() != NULL) {
toremove->Credits()->ClearWaitStartTime();
}
// <== SUQWT [Moonlight/EastShare/ MorphXT] - Stulle
theApp.downloadqueue->RemoveSource(toremove);
theApp.emuledlg->transferwnd->GetClientList()->RemoveClient(toremove);
list.RemoveAt(pos);
}
RemoveFromKadList(toremove);
RemoveConnectingClient(toremove);
}
void CClientList::DeleteAll(){
theApp.uploadqueue->DeleteAll();
theApp.downloadqueue->DeleteAll();
POSITION pos1, pos2;
for (pos1 = list.GetHeadPosition();( pos2 = pos1 ) != NULL;){
list.GetNext(pos1);
CUpDownClient* cur_client = list.GetAt(pos2);
list.RemoveAt(pos2);
delete cur_client; // recursiv: this will call RemoveClient
}
liMODsTypes.RemoveAll(); //Xman extended stats
}
bool CClientList::AttachToAlreadyKnown(CUpDownClient** client, CClientReqSocket* sender){
POSITION pos1, pos2;
CUpDownClient* tocheck = (*client);
CUpDownClient* found_client = NULL;
CUpDownClient* found_client2 = NULL;
for (pos1 = list.GetHeadPosition(); (pos2 = pos1) != NULL; ){
list.GetNext(pos1);
CUpDownClient* cur_client = list.GetAt(pos2);
if (tocheck->Compare(cur_client,false)){ //matching userhash
found_client2 = cur_client;
}
if (tocheck->Compare(cur_client,true)){ //matching IP
found_client = cur_client;
break;
}
}
if (found_client == NULL)
found_client = found_client2;
if (found_client != NULL){
if (tocheck == found_client){
//we found the same client instance (client may have sent more than one OP_HELLO). do not delete that client!
return true;
}
if (sender){
if (found_client->socket){
if (found_client->socket->IsConnected()
//Xman use ConnectIP instead of GetIP()
/*
&& (found_client->GetIP() != tocheck->GetIP() || found_client->GetUserPort() != tocheck->GetUserPort() ) )
*/
&& (found_client->GetConnectIP() != tocheck->GetConnectIP()
|| found_client->GetUserPort() != tocheck->GetUserPort() ) )
//Xman end
{
// if found_client is connected and has the IS_IDENTIFIED, it's safe to say that the other one is a bad guy
if (found_client->Credits() && found_client->Credits()->GetCurrentIdentState(found_client->GetIP()) == IS_IDENTIFIED){
if (thePrefs.GetLogBannedClients())
AddDebugLogLine(false, _T("Clients: %s (%s), Banreason: Userhash invalid"), tocheck->GetUserName(), ipstr(tocheck->GetConnectIP()));
//Xman
/*
tocheck->Ban();
*/
tocheck->Ban(_T("Userhash invalid"));
//Xman end
return false;
}
//IDS_CLIENTCOL Warning: Found matching client, to a currently connected client: %s (%s) and %s (%s)
if (thePrefs.GetLogBannedClients())
AddDebugLogLine(true,GetResString(IDS_CLIENTCOL), tocheck->GetUserName(), ipstr(tocheck->GetConnectIP()), found_client->GetUserName(), ipstr(found_client->GetConnectIP()));
return false;
}
found_client->socket->client = 0;
found_client->socket->Safe_Delete();
}
found_client->socket = sender;
tocheck->socket = 0;
}
*client = 0;
delete tocheck;
*client = found_client;
return true;
}
return false;
}
CUpDownClient* CClientList::FindClientByIP(uint32 clientip, UINT port) const
{
for (POSITION pos = list.GetHeadPosition(); pos != NULL;)
{
CUpDownClient* cur_client = list.GetNext(pos);
if (cur_client->GetIP() == clientip && cur_client->GetUserPort() == port)
return cur_client;
}
return 0;
}
CUpDownClient* CClientList::FindClientByUserHash(const uchar* clienthash, uint32 dwIP, uint16 nTCPPort) const
{
CUpDownClient* pFound = NULL;
for (POSITION pos = list.GetHeadPosition(); pos != NULL;)
{
CUpDownClient* cur_client = list.GetNext(pos);
if (!md4cmp(cur_client->GetUserHash() ,clienthash)){
if ((dwIP == 0 || dwIP == cur_client->GetIP()) && (nTCPPort == 0 || nTCPPort == cur_client->GetUserPort()))
return cur_client;
else
pFound = pFound != NULL ? pFound : cur_client;
}
}
return pFound;
}
CUpDownClient* CClientList::FindClientByIP(uint32 clientip) const
{
for (POSITION pos = list.GetHeadPosition(); pos != NULL;)
{
CUpDownClient* cur_client = list.GetNext(pos);
if (cur_client->GetIP() == clientip)
return cur_client;
}
return 0;
}
CUpDownClient* CClientList::FindClientByIP_UDP(uint32 clientip, UINT nUDPport) const
{
for (POSITION pos = list.GetHeadPosition(); pos != NULL;)
{
CUpDownClient* cur_client = list.GetNext(pos);
if (cur_client->GetIP() == clientip && cur_client->GetUDPPort() == nUDPport)
return cur_client;
}
return 0;
}
CUpDownClient* CClientList::FindClientByUserID_KadPort(uint32 clientID, uint16 kadPort) const
{
for (POSITION pos = list.GetHeadPosition(); pos != NULL;)
{
CUpDownClient* cur_client = list.GetNext(pos);
if (cur_client->GetUserIDHybrid() == clientID && cur_client->GetKadPort() == kadPort)
return cur_client;
}
return 0;
}
CUpDownClient* CClientList::FindClientByIP_KadPort(uint32 ip, uint16 port) const
{
for (POSITION pos = list.GetHeadPosition(); pos != NULL;)
{
CUpDownClient* cur_client = list.GetNext(pos);
if (cur_client->GetIP() == ip && cur_client->GetKadPort() == port)
return cur_client;
}
return 0;
}
CUpDownClient* CClientList::FindClientByServerID(uint32 uServerIP, uint32 uED2KUserID) const
{
uint32 uHybridUserID = ntohl(uED2KUserID);
for (POSITION pos = list.GetHeadPosition(); pos != NULL;)
{
CUpDownClient* cur_client = list.GetNext(pos);
if (cur_client->GetServerIP() == uServerIP && cur_client->GetUserIDHybrid() == uHybridUserID)
return cur_client;
}
return 0;
}
///////////////////////////////////////////////////////////////////////////////
// Banned clients
void CClientList::AddBannedClient(uint32 dwIP){
m_bannedList.SetAt(dwIP, ::GetTickCount());
}
bool CClientList::IsBannedClient(uint32 dwIP) const
{
uint32 dwBantime;
if (m_bannedList.Lookup(dwIP, dwBantime)){
if (dwBantime + CLIENTBANTIME > ::GetTickCount())
return true;
}
return false;
}
void CClientList::RemoveBannedClient(uint32 dwIP){
m_bannedList.RemoveKey(dwIP);
}
void CClientList::RemoveAllBannedClients(){
m_bannedList.RemoveAll();
}
///////////////////////////////////////////////////////////////////////////////
// Tracked clients
//Xman Extened credit- table-arragement
/*
void CClientList::AddTrackClient(CUpDownClient* toadd){
CDeletedClient* pResult = 0;
if (m_trackedClientsList.Lookup(toadd->GetIP(), pResult)){
pResult->m_dwInserted = ::GetTickCount();
for (int i = 0; i != pResult->m_ItemsList.GetCount(); i++){
if (pResult->m_ItemsList[i].nPort == toadd->GetUserPort()){
// already tracked, update
pResult->m_ItemsList[i].pHash = toadd->Credits();
return;
}
}
PORTANDHASH porthash = { toadd->GetUserPort(), toadd->Credits()};
pResult->m_ItemsList.Add(porthash);
}
else{
m_trackedClientsList.SetAt(toadd->GetIP(), new CDeletedClient(toadd));
}
}
*/
//Xman end
//Xman Extened credit- table-arragement
//make the Tracked-client-list independent
void CClientList::AddTrackClient(CUpDownClient* toadd){
CDeletedClient* pResult = 0;
if (m_trackedClientsList.Lookup(toadd->GetIP(), pResult)){
pResult->m_dwInserted = ::GetTickCount();
for (int i = 0; i != pResult->m_ItemsList.GetCount(); i++){
if (pResult->m_ItemsList[i].nPort == toadd->GetUserPort()){
// already tracked, update
//Xman don't keep a track of the credit-pointer, but of the hash
md4cpy(pResult->m_ItemsList[i].pHash, toadd->GetUserHash());
return;
}
}
//Xman new tracked port & hash
PORTANDHASH porthash;
porthash.nPort=toadd->GetUserPort();
md4cpy(porthash.pHash,toadd->GetUserHash());
pResult->m_ItemsList.Add(porthash);
}
else{
m_trackedClientsList.SetAt(toadd->GetIP(), new CDeletedClient(toadd));
}
}
//Xman end
// true = everything ok, hash didn't changed
// false = hash changed
bool CClientList::ComparePriorUserhash(uint32 dwIP, uint16 nPort, void* pNewHash){
CDeletedClient* pResult = 0;
if (m_trackedClientsList.Lookup(dwIP, pResult)){
for (int i = 0; i != pResult->m_ItemsList.GetCount(); i++){
if (pResult->m_ItemsList[i].nPort == nPort){
//Xman Extened credit- table-arragement
//make the Tracked-client-list independent
/*
if (pResult->m_ItemsList[i].pHash != pNewHash)
*/
if (md4cmp(pResult->m_ItemsList[i].pHash , pNewHash)!=0)
//Xman end
return false;
else
break;
}
}
}
return true;
}
UINT CClientList::GetClientsFromIP(uint32 dwIP) const
{
CDeletedClient* pResult;
if (m_trackedClientsList.Lookup(dwIP, pResult))
return pResult->m_ItemsList.GetCount();
return 0;
}
void CClientList::TrackBadRequest(const CUpDownClient* upcClient, int nIncreaseCounter){
CDeletedClient* pResult = NULL;
if (upcClient->GetIP() == 0){
ASSERT( false );
return;
}
if (m_trackedClientsList.Lookup(upcClient->GetIP(), pResult)){
pResult->m_dwInserted = ::GetTickCount();
pResult->m_cBadRequest += nIncreaseCounter;
}
else{
CDeletedClient* ccToAdd = new CDeletedClient(upcClient);
ccToAdd->m_cBadRequest = nIncreaseCounter;
m_trackedClientsList.SetAt(upcClient->GetIP(), ccToAdd);
}
}
uint32 CClientList::GetBadRequests(const CUpDownClient* upcClient) const{
CDeletedClient* pResult = NULL;
if (upcClient->GetIP() == 0){
ASSERT( false );
return 0;
}
if (m_trackedClientsList.Lookup(upcClient->GetIP(), pResult)){
return pResult->m_cBadRequest;
}
else
return 0;
}
void CClientList::RemoveAllTrackedClients(){
POSITION pos = m_trackedClientsList.GetStartPosition();
uint32 nKey;
CDeletedClient* pResult;
while (pos != NULL){
m_trackedClientsList.GetNextAssoc(pos, nKey, pResult);
m_trackedClientsList.RemoveKey(nKey);
delete pResult;
}
}
void CClientList::Process()
{
///////////////////////////////////////////////////////////////////////////
// Cleanup banned client list
//
const uint32 cur_tick = ::GetTickCount();
if (m_dwLastBannCleanUp + BAN_CLEANUP_TIME < cur_tick)
{
m_dwLastBannCleanUp = cur_tick;
POSITION pos = m_bannedList.GetStartPosition();
uint32 nKey;
uint32 dwBantime;
while (pos != NULL)
{
m_bannedList.GetNextAssoc( pos, nKey, dwBantime );
if (dwBantime + CLIENTBANTIME < cur_tick )
RemoveBannedClient(nKey);
}
}
///////////////////////////////////////////////////////////////////////////
// Cleanup tracked client list
//
if (m_dwLastTrackedCleanUp + TRACKED_CLEANUP_TIME < cur_tick)
{
m_dwLastTrackedCleanUp = cur_tick;
if (thePrefs.GetLogBannedClients())
AddDebugLogLine(false, _T("Cleaning up TrackedClientList, %i clients on List..."), m_trackedClientsList.GetCount());
POSITION pos = m_trackedClientsList.GetStartPosition();
uint32 nKey;
CDeletedClient* pResult;
while (pos != NULL)
{
m_trackedClientsList.GetNextAssoc( pos, nKey, pResult );
if (pResult->m_dwInserted + KEEPTRACK_TIME < cur_tick ){
m_trackedClientsList.RemoveKey(nKey);
delete pResult;
}
}
if (thePrefs.GetLogBannedClients())
AddDebugLogLine(false, _T("...done, %i clients left on list"), m_trackedClientsList.GetCount());
}
///////////////////////////////////////////////////////////////////////////
// Process Kad client list
//
//We need to try to connect to the clients in m_KadList
//If connected, remove them from the list and send a message back to Kad so we can send a ACK.
//If we don't connect, we need to remove the client..
//The sockets timeout should delete this object.
//MORPH START - Removed by Stulle, Optimize Process Kad client list [WiZaRd]
/*
POSITION pos1, pos2;
*/
//MORPH END - Removed by Stulle, Optimize Process Kad client list [WiZaRd]
// buddy is just a flag that is used to make sure we are still connected or connecting to a buddy.
buddyState buddy = Disconnected;
//MORPH START - Changed by Stulle, Optimize Process Kad client list [WiZaRd]
/*
for (pos1 = m_KadList.GetHeadPosition(); (pos2 = pos1) != NULL; )
{
m_KadList.GetNext(pos1);
CUpDownClient* cur_client = m_KadList.GetAt(pos2);
*/
for (POSITION pos = m_KadList.GetHeadPosition(); pos != NULL; )
{
POSITION posLast = pos;
CUpDownClient* cur_client = m_KadList.GetNext(pos);
//MORPH END - Changed by Stulle, Optimize Process Kad client list [WiZaRd]
if( !Kademlia::CKademlia::IsRunning() )
{
//Clear out this list if we stop running Kad.
//Setting the Kad state to KS_NONE causes it to be removed in the switch below.
cur_client->SetKadState(KS_NONE);
}
switch(cur_client->GetKadState())
{
case KS_QUEUED_FWCHECK:
case KS_QUEUED_FWCHECK_UDP:
//Another client asked us to try to connect to them to check their firewalled status.
cur_client->TryToConnect(true, true);
break;
case KS_CONNECTING_FWCHECK:
//Ignore this state as we are just waiting for results.
break;
case KS_FWCHECK_UDP:
case KS_CONNECTING_FWCHECK_UDP:
// we want a UDP firewallcheck from this client and are just waiting to get connected to send the request
break;
case KS_CONNECTED_FWCHECK:
//We successfully connected to the client.
//We now send a ack to let them know.
if (cur_client->GetKadVersion() >= KADEMLIA_VERSION7_49a){
// the result is now sent per TCP instead of UDP, because this will fail if our intern UDP port is unreachable.
// But we want the TCP testresult regardless if UDP is firewalled, the new UDP state and test takes care of the rest
ASSERT( cur_client->socket != NULL && cur_client->socket->IsConnected() );
if (thePrefs.GetDebugClientTCPLevel() > 0)
DebugSend("OP_KAD_FWTCPCHECK_ACK", cur_client);
Packet* pPacket = new Packet(OP_KAD_FWTCPCHECK_ACK, 0, OP_EMULEPROT);
if (!cur_client->SafeConnectAndSendPacket(pPacket))
cur_client = NULL;
}
else {
if (thePrefs.GetDebugClientKadUDPLevel() > 0)
DebugSend("KADEMLIA_FIREWALLED_ACK_RES", cur_client->GetIP(), cur_client->GetKadPort());
Kademlia::CKademlia::GetUDPListener()->SendNullPacket(KADEMLIA_FIREWALLED_ACK_RES, ntohl(cur_client->GetIP()), cur_client->GetKadPort(), 0, NULL);
}
//We are done with this client. Set Kad status to KS_NONE and it will be removed in the next cycle.
if (cur_client != NULL)
cur_client->SetKadState(KS_NONE);
break;
case KS_INCOMING_BUDDY:
//A firewalled client wants us to be his buddy.
//If we already have a buddy, we set Kad state to KS_NONE and it's removed in the next cycle.
//If not, this client will change to KS_CONNECTED_BUDDY when it connects.
if( m_nBuddyStatus == Connected )
cur_client->SetKadState(KS_NONE);
break;
case KS_QUEUED_BUDDY:
//We are firewalled and want to request this client to be a buddy.
//But first we check to make sure we are not already trying another client.
//If we are not already trying. We try to connect to this client.
//If we are already connected to a buddy, we set this client to KS_NONE and it's removed next cycle.
//If we are trying to connect to a buddy, we just ignore as the one we are trying may fail and we can then try this one.
if( m_nBuddyStatus == Disconnected )
{
buddy = Connecting;
m_nBuddyStatus = Connecting;
cur_client->SetKadState(KS_CONNECTING_BUDDY);
cur_client->TryToConnect(true, true);
theApp.emuledlg->serverwnd->UpdateMyInfo();
}
else if( m_nBuddyStatus == Connected )
cur_client->SetKadState(KS_NONE);
break;
case KS_CONNECTING_BUDDY:
//We are trying to connect to this client.
//Although it should NOT happen, we make sure we are not already connected to a buddy.
//If we are we set to KS_NONE and it's removed next cycle.
//But if we are not already connected, make sure we set the flag to connecting so we know
//things are working correctly.
if( m_nBuddyStatus == Connected )
cur_client->SetKadState(KS_NONE);
else
{
ASSERT( m_nBuddyStatus == Connecting );
buddy = Connecting;
}
break;
case KS_CONNECTED_BUDDY:
//A potential connected buddy client wanting to me in the Kad network
//We set our flag to connected to make sure things are still working correctly.
buddy = Connected;
//If m_nBuddyStatus is not connected already, we set this client as our buddy!
if( m_nBuddyStatus != Connected )
{
m_pBuddy = cur_client;
m_nBuddyStatus = Connected;
theApp.emuledlg->serverwnd->UpdateMyInfo();
}
if( m_pBuddy == cur_client && theApp.IsFirewalled() && cur_client->SendBuddyPingPong() )
{
if (thePrefs.GetDebugClientTCPLevel() > 0)
DebugSend("OP__BuddyPing", cur_client);
Packet* buddyPing = new Packet(OP_BUDDYPING, 0, OP_EMULEPROT);
theStats.AddUpDataOverheadOther(buddyPing->size);
VERIFY( cur_client->SendPacket(buddyPing, true, true) );
cur_client->SetLastBuddyPingPongTime();
}
break;
default:
//MORPH START - Changed by Stulle, Optimize Process Kad client list [WiZaRd]
/*
RemoveFromKadList(cur_client);
*/
//removed function overhead
if(cur_client == m_pBuddy)
{
//MORPH START - Added by Stulle, Fix for setting buddy state on removing buddy [WiZaRd]
buddy = Disconnected;
m_nBuddyStatus = Disconnected;
//MORPH END - Added by Stulle, Fix for setting buddy state on removing buddy [WiZaRd]
m_pBuddy = NULL;
theApp.emuledlg->serverwnd->UpdateMyInfo();
}
m_KadList.RemoveAt(posLast);
//MORPH END - Changed by Stulle, Optimize Process Kad client list [WiZaRd]
}
}
//We either never had a buddy, or lost our buddy..
if( buddy == Disconnected )
{
if( m_nBuddyStatus != Disconnected || m_pBuddy )
{
if( Kademlia::CKademlia::IsRunning() && theApp.IsFirewalled() && Kademlia::CUDPFirewallTester::IsFirewalledUDP(true))
{
//We are a lowID client and we just lost our buddy.
//Go ahead and instantly try to find a new buddy.
Kademlia::CKademlia::GetPrefs()->SetFindBuddy();
}
m_pBuddy = NULL;
m_nBuddyStatus = Disconnected;
theApp.emuledlg->serverwnd->UpdateMyInfo();
}
}
if ( Kademlia::CKademlia::IsConnected() )
{
//we only need a buddy if direct callback is not available
if( Kademlia::CKademlia::IsFirewalled() && Kademlia::CUDPFirewallTester::IsFirewalledUDP(true))
{
//TODO 0.49b: Kad buddies won'T work with RequireCrypt, so it is disabled for now but should (and will)
//be fixed in later version
// Update: Buddy connections itself support obfuscation properly since 0.49a (this makes it work fine if our buddy uses require crypt)
// ,however callback requests don't support it yet so we wouldn't be able to answer callback requests with RequireCrypt, protocolchange intended for the next version
if( m_nBuddyStatus == Disconnected && Kademlia::CKademlia::GetPrefs()->GetFindBuddy() && !thePrefs.IsClientCryptLayerRequired())
{
DEBUG_ONLY( DebugLog(_T("Starting Buddysearch")) );
//We are a firewalled client with no buddy. We have also waited a set time
//to try to avoid a false firewalled status.. So lets look for a buddy..
if( !Kademlia::CSearchManager::PrepareLookup(Kademlia::CSearch::FINDBUDDY, true, Kademlia::CUInt128(true).Xor(Kademlia::CKademlia::GetPrefs()->GetKadID())) )
{
//This search ID was already going. Most likely reason is that
//we found and lost our buddy very quickly and the last search hadn't
//had time to be removed yet. Go ahead and set this to happen again
//next time around.
Kademlia::CKademlia::GetPrefs()->SetFindBuddy();
}
}
}
else
{
if( m_pBuddy )
{
//Lets make sure that if we have a buddy, they are firewalled!
//If they are also not firewalled, then someone must have fixed their firewall or stopped saturating their line..
//We just set the state of this buddy to KS_NONE and things will be cleared up with the next cycle.
if( !m_pBuddy->HasLowID() )
m_pBuddy->SetKadState(KS_NONE);
}
}
}
else
{
if( m_pBuddy )
{
//We are not connected anymore. Just set this buddy to KS_NONE and things will be cleared out on next cycle.
m_pBuddy->SetKadState(KS_NONE);
}
}
///////////////////////////////////////////////////////////////////////////
// Cleanup client list
//
//Xman moved to uploadqueue
/*
CleanUpClientList();
*/
//Xman end
///////////////////////////////////////////////////////////////////////////
// Process Direct Callbacks for Timeouts
//
ProcessConnectingClientsList();
}
#ifdef _DEBUG
void CClientList::Debug_SocketDeleted(CClientReqSocket* deleted) const
{
for (POSITION pos = list.GetHeadPosition(); pos != NULL;){
CUpDownClient* cur_client = list.GetNext(pos);
if (!AfxIsValidAddress(cur_client, sizeof(CUpDownClient))) {
AfxDebugBreak();
}
if (thePrefs.m_iDbgHeap >= 2)
ASSERT_VALID(cur_client);
if (cur_client->socket == deleted){
AfxDebugBreak();
}
}
}
#endif
bool CClientList::IsValidClient(CUpDownClient* tocheck) const
{
if (thePrefs.m_iDbgHeap >= 2)
ASSERT_VALID(tocheck);
return list.Find(tocheck)!=NULL;
}
///////////////////////////////////////////////////////////////////////////////
// Kad client list
bool CClientList::RequestTCP(Kademlia::CContact* contact, uint8 byConnectOptions)
{
uint32 nContactIP = ntohl(contact->GetIPAddress());
// don't connect ourself
if (theApp.serverconnect->GetLocalIP() == nContactIP && thePrefs.GetPort() == contact->GetTCPPort())
return false;
CUpDownClient* pNewClient = FindClientByIP(nContactIP, contact->GetTCPPort());
const bool bNewClient = pNewClient == NULL; //Xman Code Improvement don't search new generated clients in lists (seen by Wizard)
if (!pNewClient)
pNewClient = new CUpDownClient(0, contact->GetTCPPort(), contact->GetIPAddress(), 0, 0, false );
else if (pNewClient->GetKadState() != KS_NONE)
return false; // already busy with this client in some way (probably buddy stuff), don't mess with it
//Add client to the lists to be processed.
pNewClient->SetKadPort(contact->GetUDPPort());
pNewClient->SetKadState(KS_QUEUED_FWCHECK);
if (contact->GetClientID() != 0){
byte ID[16];
contact->GetClientID().ToByteArray(ID);
pNewClient->SetUserHash(ID);
pNewClient->SetConnectOptions(byConnectOptions, true, false);
}
//Xman Code Improvement don't search new generated clients in lists (seen by Wizard)
/*
m_KadList.AddTail(pNewClient);
//This method checks if this is a dup already.
AddClient(pNewClient);
*/
//Xman no need to check for dupe in clientlist, either we found it or it's new
//if not new do a dupe check in kad-list and don't add to clientlist
if(bNewClient)
{
m_KadList.AddTail(pNewClient);
AddClient(pNewClient, true);
}
else
AddToKadList(pNewClient);
//Xman end
return true;
}
void CClientList::RequestBuddy(Kademlia::CContact* contact, uint8 byConnectOptions)
{
uint32 nContactIP = ntohl(contact->GetIPAddress());
// don't connect ourself
if (theApp.serverconnect->GetLocalIP() == nContactIP && thePrefs.GetPort() == contact->GetTCPPort())
return;
CUpDownClient* pNewClient = FindClientByIP(nContactIP, contact->GetTCPPort());
const bool bNewClient = pNewClient == NULL; //Xman Code Improvement don't search new generated clients in lists (seen by Wizard)
if (!pNewClient)
pNewClient = new CUpDownClient(0, contact->GetTCPPort(), contact->GetIPAddress(), 0, 0, false );
else if (pNewClient->GetKadState() != KS_NONE)
return; // already busy with this client in some way (probably fw stuff), don't mess with it
else if (IsKadFirewallCheckIP(nContactIP)){ // doing a kad firewall check with this IP, abort
DEBUG_ONLY( DebugLogWarning(_T("KAD tcp Firewallcheck / Buddy request collosion for IP %s"), ipstr(nContactIP)) );
return;
}
//Add client to the lists to be processed.
pNewClient->SetKadPort(contact->GetUDPPort());
pNewClient->SetKadState(KS_QUEUED_BUDDY);
byte ID[16];
contact->GetClientID().ToByteArray(ID);
pNewClient->SetUserHash(ID);
pNewClient->SetConnectOptions(byConnectOptions, true, false);
//Xman Code Improvement don't search new generated clients in lists (seen by Wizard)
/*
AddToKadList(pNewClient);
//This method checks if this is a dup already.
AddClient(pNewClient);