summaryrefslogtreecommitdiffstats
path: root/src/kvilib/net/kvi_ssl.cpp
blob: f90d8b00546cf347ef07429c99c3789b7ef72555 (plain)
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
//=============================================================================
//
//   File : kvi_ssl.cpp
//   Creation date : Mon May 27 2002 21:36:12 CEST by Szymon Stefanek
//
//   This file is part of the KVirc irc client distribution
//   Copyright (C) 2002-2004 Szymon Stefanek (pragma at kvirc dot 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 opinion) 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. ,51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
//=============================================================================

#define __KVILIB__


#include "kvi_ssl.h"
#include "kvi_locale.h"

#ifdef COMPILE_SSL_SUPPORT

#include "kvi_thread.h"
#include "kvi_memmove.h"
#include "kvi_malloc.h"

#include <openssl/asn1.h>
#include <openssl/err.h>
#include <openssl/dh.h>

#include <stdio.h>

static bool g_bSSLInitialized = false;
static KviMutex * g_pSSLMutex = 0;


static inline void my_ssl_lock()
{
	g_pSSLMutex->lock();
}

static inline void my_ssl_unlock()
{
	g_pSSLMutex->unlock();
}


// THIS PART OF OpenSSL SUCKS

static DH * dh_512 = 0;
static DH * dh_1024 = 0;
static DH * dh_2048 = 0;
static DH * dh_4096 = 0;

static unsigned char dh512_p[]={
	0x90,0x86,0xDD,0x06,0xE8,0x0F,0x10,0x86,0xF0,0x91,0xC5,0x55,
	0x4D,0x6B,0xAF,0x69,0x4F,0x01,0xED,0xF9,0x57,0x8F,0x3B,0xB8,
	0x9C,0x87,0xAE,0x85,0xC1,0xBF,0x57,0xA5,0xD5,0xBA,0x81,0x24,
	0xE7,0x99,0xE3,0xF6,0xCD,0xB4,0x41,0xB7,0x7F,0x6E,0x7B,0xB1,
	0xD2,0xF3,0xE9,0x0F,0xB9,0x0E,0x4D,0xEB,0x9D,0xD4,0xA9,0xE5,
	0x03,0x67,0xA7,0x27
};
static unsigned char dh512_g[]={ 0x05 };

static unsigned char dh1024_p[]={
	0xA5,0x4C,0xB9,0xB9,0xC4,0x35,0x88,0x68,0x9B,0x79,0x48,0x6C,
	0x21,0xA7,0x8E,0xE2,0x9C,0xAF,0x2F,0x04,0xBF,0x45,0xBC,0xF5,
	0xAB,0x35,0x86,0xC8,0xBB,0x9B,0x75,0x18,0x7C,0x9B,0xAB,0xE8,
	0x52,0x7F,0x57,0x3E,0xD8,0x65,0x7D,0x2B,0xE1,0x6D,0x3D,0xA5,
	0x32,0xE8,0xA0,0x2B,0x7A,0x58,0x6B,0x47,0x16,0x4E,0xB1,0xFC,
	0x09,0xB7,0x7C,0xC6,0xE9,0x6E,0xC7,0xC7,0xA1,0x42,0x0F,0x4B,
	0x43,0xFB,0x58,0xBA,0xC7,0x66,0xD6,0xCA,0x6B,0xC7,0x45,0x7C,
	0x99,0xE4,0x46,0x02,0x93,0x3F,0x28,0xD2,0xCE,0x0C,0x8A,0xDD,
	0x6A,0x22,0x2E,0xA9,0x9A,0xCA,0x16,0x48,0x4E,0x67,0x4C,0xE9,
	0xC8,0x54,0xCD,0x18,0xC9,0xF3,0x30,0x3A,0x74,0xAB,0xF9,0xAF,
	0xE4,0xA4,0x0D,0x56,0x62,0x28,0x07,0xBF
};
static unsigned char dh1024_g[]={ 0x05 };

static unsigned char dh2048_p[]={
	0xBF,0x67,0x7B,0x79,0xA5,0x22,0xD3,0xB5,0x0C,0x13,0xE6,0x92,
	0x54,0xFD,0x64,0xBF,0x57,0x25,0xBD,0x02,0x7C,0xFD,0x72,0x97,
	0x82,0xA4,0xA6,0x0A,0xB9,0xE6,0x4B,0xFA,0xBD,0xFA,0x71,0x8A,
	0x2E,0x36,0xF9,0x03,0x58,0x1B,0xB6,0x3A,0xFD,0x15,0xCC,0x87,
	0x5D,0x04,0xF7,0x45,0xE0,0xE2,0x34,0x7F,0x54,0x5F,0x5D,0x14,
	0xD3,0xCA,0x3E,0xFD,0x2A,0x92,0x10,0x89,0xA0,0xB0,0xB4,0xE5,
	0x80,0x05,0x13,0xBE,0xA3,0xD0,0x42,0x4B,0x98,0x44,0x54,0xB3,
	0xE0,0x23,0x26,0xF5,0x6B,0x0E,0x4D,0x2A,0x81,0xB2,0x8A,0x06,
	0xC8,0x00,0x9E,0xAB,0x1B,0x77,0xDC,0x87,0x9C,0x6C,0xD5,0xEE,
	0xB4,0xB4,0xDD,0xDA,0x3F,0x40,0xA3,0xFA,0xC1,0x1E,0xC0,0xA2,
	0x9E,0xB8,0xAC,0x31,0xE8,0x12,0x93,0x9C,0x71,0xF6,0xE7,0xF0,
	0x65,0x7F,0xA5,0x20,0xF7,0x49,0x3D,0xD6,0xF9,0xD3,0xF0,0x3F,
	0xB3,0xF0,0xD0,0x23,0x22,0x82,0xA5,0xDD,0xFB,0xD9,0x9C,0x7D,
	0xE7,0xA0,0x78,0xE8,0xF9,0x02,0x0C,0x2F,0x1D,0x52,0xC7,0x61,
	0xED,0xA0,0xC9,0x06,0x14,0xDF,0xE7,0xB1,0x1E,0x50,0x98,0x4F,
	0x10,0xB9,0x87,0x4C,0x1C,0x9C,0xB3,0xD2,0x98,0x23,0x7C,0x47,
	0xD2,0x3C,0xC5,0x29,0x65,0xC5,0x67,0x4E,0xC0,0x76,0x0F,0x43,
	0x27,0x28,0x89,0x69,0x30,0x7D,0x04,0xFD,0xF7,0x89,0xE5,0xD6,
	0xE6,0x97,0x7D,0xBB,0x54,0x5F,0xB7,0x94,0x1D,0xBC,0x82,0xAB,
	0x9A,0xF5,0x0A,0x0C,0x89,0x68,0xE7,0x0A,0x8C,0x2D,0x0D,0x82,
	0x44,0xA7,0xB8,0xF9,0x0B,0x8E,0xCB,0xA4,0x6A,0xA7,0xEC,0x5F,
	0x0A,0xF8,0x5F,0xE7
};
static unsigned char dh2048_g[]={ 0x05 };

static unsigned char dh4096_p[]={
	0xFA,0x14,0x72,0x52,0xC1,0x4D,0xE1,0x5A,0x49,0xD4,0xEF,0x09,
	0x2D,0xC0,0xA8,0xFD,0x55,0xAB,0xD7,0xD9,0x37,0x04,0x28,0x09,
	0xE2,0xE9,0x3E,0x77,0xE2,0xA1,0x7A,0x18,0xDD,0x46,0xA3,0x43,
	0x37,0x23,0x90,0x97,0xF3,0x0E,0xC9,0x03,0x50,0x7D,0x65,0xCF,
	0x78,0x62,0xA6,0x3A,0x62,0x22,0x83,0xA1,0x2F,0xFE,0x79,0xBA,
	0x35,0xFF,0x59,0xD8,0x1D,0x61,0xDD,0x1E,0x21,0x13,0x17,0xFE,
	0xCD,0x38,0x87,0x9E,0xF5,0x4F,0x79,0x10,0x61,0x8D,0xD4,0x22,
	0xF3,0x5A,0xED,0x5D,0xEA,0x21,0xE9,0x33,0x6B,0x48,0x12,0x0A,
	0x20,0x77,0xD4,0x25,0x60,0x61,0xDE,0xF6,0xB4,0x4F,0x1C,0x63,
	0x40,0x8B,0x3A,0x21,0x93,0x8B,0x79,0x53,0x51,0x2C,0xCA,0xB3,
	0x7B,0x29,0x56,0xA8,0xC7,0xF8,0xF4,0x7B,0x08,0x5E,0xA6,0xDC,
	0xA2,0x45,0x12,0x56,0xDD,0x41,0x92,0xF2,0xDD,0x5B,0x8F,0x23,
	0xF0,0xF3,0xEF,0xE4,0x3B,0x0A,0x44,0xDD,0xED,0x96,0x84,0xF1,
	0xA8,0x32,0x46,0xA3,0xDB,0x4A,0xBE,0x3D,0x45,0xBA,0x4E,0xF8,
	0x03,0xE5,0xDD,0x6B,0x59,0x0D,0x84,0x1E,0xCA,0x16,0x5A,0x8C,
	0xC8,0xDF,0x7C,0x54,0x44,0xC4,0x27,0xA7,0x3B,0x2A,0x97,0xCE,
	0xA3,0x7D,0x26,0x9C,0xAD,0xF4,0xC2,0xAC,0x37,0x4B,0xC3,0xAD,
	0x68,0x84,0x7F,0x99,0xA6,0x17,0xEF,0x6B,0x46,0x3A,0x7A,0x36,
	0x7A,0x11,0x43,0x92,0xAD,0xE9,0x9C,0xFB,0x44,0x6C,0x3D,0x82,
	0x49,0xCC,0x5C,0x6A,0x52,0x42,0xF8,0x42,0xFB,0x44,0xF9,0x39,
	0x73,0xFB,0x60,0x79,0x3B,0xC2,0x9E,0x0B,0xDC,0xD4,0xA6,0x67,
	0xF7,0x66,0x3F,0xFC,0x42,0x3B,0x1B,0xDB,0x4F,0x66,0xDC,0xA5,
	0x8F,0x66,0xF9,0xEA,0xC1,0xED,0x31,0xFB,0x48,0xA1,0x82,0x7D,
	0xF8,0xE0,0xCC,0xB1,0xC7,0x03,0xE4,0xF8,0xB3,0xFE,0xB7,0xA3,
	0x13,0x73,0xA6,0x7B,0xC1,0x0E,0x39,0xC7,0x94,0x48,0x26,0x00,
	0x85,0x79,0xFC,0x6F,0x7A,0xAF,0xC5,0x52,0x35,0x75,0xD7,0x75,
	0xA4,0x40,0xFA,0x14,0x74,0x61,0x16,0xF2,0xEB,0x67,0x11,0x6F,
	0x04,0x43,0x3D,0x11,0x14,0x4C,0xA7,0x94,0x2A,0x39,0xA1,0xC9,
	0x90,0xCF,0x83,0xC6,0xFF,0x02,0x8F,0xA3,0x2A,0xAC,0x26,0xDF,
	0x0B,0x8B,0xBE,0x64,0x4A,0xF1,0xA1,0xDC,0xEE,0xBA,0xC8,0x03,
	0x82,0xF6,0x62,0x2C,0x5D,0xB6,0xBB,0x13,0x19,0x6E,0x86,0xC5,
	0x5B,0x2B,0x5E,0x3A,0xF3,0xB3,0x28,0x6B,0x70,0x71,0x3A,0x8E,
	0xFF,0x5C,0x15,0xE6,0x02,0xA4,0xCE,0xED,0x59,0x56,0xCC,0x15,
	0x51,0x07,0x79,0x1A,0x0F,0x25,0x26,0x27,0x30,0xA9,0x15,0xB2,
	0xC8,0xD4,0x5C,0xCC,0x30,0xE8,0x1B,0xD8,0xD5,0x0F,0x19,0xA8,
	0x80,0xA4,0xC7,0x01,0xAA,0x8B,0xBA,0x53,0xBB,0x47,0xC2,0x1F,
	0x6B,0x54,0xB0,0x17,0x60,0xED,0x79,0x21,0x95,0xB6,0x05,0x84,
	0x37,0xC8,0x03,0xA4,0xDD,0xD1,0x06,0x69,0x8F,0x4C,0x39,0xE0,
	0xC8,0x5D,0x83,0x1D,0xBE,0x6A,0x9A,0x99,0xF3,0x9F,0x0B,0x45,
	0x29,0xD4,0xCB,0x29,0x66,0xEE,0x1E,0x7E,0x3D,0xD7,0x13,0x4E,
	0xDB,0x90,0x90,0x58,0xCB,0x5E,0x9B,0xCD,0x2E,0x2B,0x0F,0xA9,
	0x4E,0x78,0xAC,0x05,0x11,0x7F,0xE3,0x9E,0x27,0xD4,0x99,0xE1,
	0xB9,0xBD,0x78,0xE1,0x84,0x41,0xA0,0xDF
};
static unsigned char dh4096_g[]={ 0x02 };

static DH * my_get_dh(int keylength)
{
	DH * dh = 0;
	unsigned char * p = 0;
	unsigned char * g = 0;
	int sp = 0;
	int sg = 0;
	switch(keylength)
	{
		case 512:
			dh = dh_512;
			p  = dh512_p;
			g  = dh512_g;
			sp = sizeof(dh512_p);
			sg = sizeof(dh512_g);
		break;
		case 1024:
			dh = dh_1024;
			p  = dh1024_p;
			g  = dh1024_g;
			sp = sizeof(dh1024_p);
			sg = sizeof(dh1024_g);
		break;
		case 2048:
			dh = dh_2048;
			p  = dh2048_p;
			g  = dh2048_g;
			sp = sizeof(dh2048_p);
			sg = sizeof(dh2048_g);
		break;
		case 4096:
			dh = dh_4096;
			p  = dh4096_p;
			g  = dh4096_g;
			sp = sizeof(dh4096_p);
			sg = sizeof(dh4096_g);
		break;
		default:
			// What the hell do you want from me ?
			debug("OpenSSL is asking for a DH param with keylen %d: no way :D",keylength);
		break;

	}

	if(dh)return dh;
	dh = DH_new();
	if(!dh)return 0;
	dh->p=BN_bin2bn(p,sp,0);
	dh->g=BN_bin2bn(g,sg,0);
	if((dh->p == 0) || (dh->g == 0))
	{
		DH_free(dh);
		return 0;
	}
	return dh;
}

DH * my_ugly_dh_callback(SSL *s, int is_export, int keylength)
{
	my_ssl_lock();
	DH *dh = my_get_dh(keylength);
	my_ssl_unlock();
	return dh;
}

void KviSSL::globalInit()
{
	if(g_pSSLMutex)return;
	g_pSSLMutex = new KviMutex();
}

void KviSSL::globalDestroy()
{
	if(!g_pSSLMutex)return;
	if(dh_512)DH_free(dh_512);
	if(dh_1024)DH_free(dh_1024);
	if(dh_2048)DH_free(dh_2048);
	if(dh_4096)DH_free(dh_4096);
	delete g_pSSLMutex;
	g_pSSLMutex = 0;
}

KviSSL::KviSSL()
{
	my_ssl_lock();
	if(!g_bSSLInitialized)
	{
		// FIXME: this should be done only if SSL is really needed
		SSL_library_init();
		SSL_load_error_strings();
		g_bSSLInitialized = true;
	}
	my_ssl_unlock();
	m_pSSL = 0;
	m_pSSLCtx = 0;
}

KviSSL::~KviSSL()
{
	shutdown();
}

#ifdef COMPILE_ON_WINDOWS

	// On windows we need to override new and delete operators
	// to ensure that always the right new/delete pair is called for an object instance
	// This bug is present in all the classes exported by a module that
	// can be instantiated/destroyed from external modules.
	// (this is a well known bug described in Q122675 of MSDN)

	void * KviSSL::operator new(size_t tSize)
	{
		return kvi_malloc(tSize);
	}

	void KviSSL::operator delete(void * p)
	{
		kvi_free(p);
	}

#endif

void KviSSL::shutdown()
{
	if(m_pSSL)
	{
		// At least attempt to shutdown the connection gracefully
		SSL_shutdown(m_pSSL);
		SSL_free(m_pSSL);
		m_pSSL = 0;
	}
	if(m_pSSLCtx)
	{
		SSL_CTX_free(m_pSSLCtx);
		m_pSSLCtx = 0;
	}
}


bool KviSSL::initContext(Method m)
{
	if(m_pSSL)return false;
	m_pSSLCtx = SSL_CTX_new(m == Client ? SSLv23_client_method() : SSLv23_server_method());
	if(!m_pSSLCtx)return false;
	// FIXME: this should be configurable ?
	SSL_CTX_set_cipher_list(m_pSSLCtx,"ALL:eNULL");
	SSL_CTX_set_tmp_dh_callback(m_pSSLCtx,my_ugly_dh_callback);
	return true;
}

bool KviSSL::initSocket(kvi_socket_t fd)
{
	if(!m_pSSLCtx)return false;
	m_pSSL = SSL_new(m_pSSLCtx);
	if(!m_pSSL)return false;
	if(!SSL_set_fd(m_pSSL,fd))return false;
	return true;
	
}

static int cb(char *buf, int size, int rwflag, void *u)
{
	KviStr * p = (KviStr *)u;
	int len = p->len();
	if(len >= size)return 0;
	kvi_memmove(buf,p->ptr(),len + 1);
//	debug("PASS REQUESTED: %s",p->ptr());
	return len;
}

KviSSL::Result KviSSL::useCertificateFile(const char * cert,const char * pass)
{
	if(!m_pSSLCtx)return NotInitialized;
	m_szPass = pass;
	if(m_szPass.len() < 4)m_szPass.append("xxxx");
	X509 * x509 = 0;

	FILE * f = fopen(cert,"r");
	if(!f)return FileIoError;

//	debug("READING CERTIFICATE %s",cert);
	if(PEM_read_X509(f,&x509,cb,&m_szPass))
	{
		if(!SSL_CTX_use_certificate(m_pSSLCtx,x509))
		{
			X509_free(x509);
			return SSLError;
		}
	}

	fclose(f);
	return Success;
}


KviSSL::Result KviSSL::usePrivateKeyFile(const char * key,const char * pass)
{
	if(!m_pSSLCtx)return NotInitialized;
	m_szPass = pass;
	if(m_szPass.len() < 4)m_szPass.append("xxxx");

	EVP_PKEY * k = 0;

	FILE * f = fopen(key,"r");
	if(!f)return FileIoError;

//	debug("READING KEY %s",key);
	if(PEM_read_PrivateKey(f,&k,cb,&m_szPass))
	{
		if(!SSL_CTX_use_PrivateKey(m_pSSLCtx,k))
		{
			EVP_PKEY_free(k);
			return SSLError;
		}
	}

	fclose(f);
	return Success;
}

unsigned long KviSSL::getLastError(bool bPeek)
{
	return bPeek ? ERR_peek_error() : ERR_get_error();	
}

bool KviSSL::getLastErrorString(KviStr &buffer,bool bPeek)
{
	unsigned long uErr = getLastError(bPeek);
	if(uErr != 0)
	{
		const char * err = ERR_reason_error_string(uErr);
		buffer = err ? err : "Unknown error";
		return true;
	}
	return false;
}

KviSSL::Result KviSSL::connect()
{
	if(!m_pSSL)return NotInitialized;
	int ret = SSL_connect(m_pSSL);
	return connectOrAcceptError(ret);
}

KviSSL::Result KviSSL::accept()
{
	if(!m_pSSL)return NotInitialized;
	int ret = SSL_accept(m_pSSL);
	return connectOrAcceptError(ret);
}

KviSSL::Result KviSSL::connectOrAcceptError(int ret)
{
	switch(SSL_get_error(m_pSSL,ret))
	{
		case SSL_ERROR_NONE: return Success; break;
		case SSL_ERROR_WANT_READ: return WantRead; break;
		case SSL_ERROR_WANT_WRITE: return WantWrite; break;
		case SSL_ERROR_ZERO_RETURN: return RemoteEndClosedConnection; break;
		case SSL_ERROR_WANT_X509_LOOKUP: return ObscureError; break;
		case SSL_ERROR_SYSCALL:
		{
			if(getLastError(true) != 0)return SSLError;
			if(ret == 0)return RemoteEndClosedConnection;
			return SyscallError;
		}
		break;
		case SSL_ERROR_SSL: return SSLError; break;
		default: return UnknownError; break;
	}
	return UnknownError;
}

int KviSSL::read(char * buffer,int len)
{
//	if(!m_pSSL)return -1;
	return SSL_read(m_pSSL,buffer,len);
}
int KviSSL::write(const char * buffer,int len)
{
//	if(!m_pSSL)return -1;
	return SSL_write(m_pSSL,buffer,len);
}

KviSSL::Result KviSSL::getProtocolError(int ret)
{
	if(!m_pSSL)return NotInitialized;
	switch(SSL_get_error(m_pSSL,ret))
	{
		case SSL_ERROR_NONE: return Success; break;
		case SSL_ERROR_WANT_READ: return WantRead; break;
		case SSL_ERROR_WANT_WRITE: return WantWrite; break;
		case SSL_ERROR_ZERO_RETURN: return ZeroReturn; break;
		case SSL_ERROR_WANT_X509_LOOKUP: return ObscureError; break;
		case SSL_ERROR_SYSCALL: return SyscallError; break;
		case SSL_ERROR_SSL: return SSLError; break;
		default: return UnknownError; break;
	}
	return UnknownError;
}

KviSSLCertificate * KviSSL::getPeerCertificate()
{
	if(!m_pSSL)return 0;
	X509 * x509 = SSL_get_peer_certificate(m_pSSL);
	if(!x509)return 0;
	return new KviSSLCertificate(x509);
}

KviSSLCipherInfo * KviSSL::getCurrentCipherInfo()
{
	if(!m_pSSL)return 0;
	SSL_CIPHER * c = const_cast<SSL_CIPHER *>(SSL_get_current_cipher(m_pSSL));
	if(!c)return 0;
	return new KviSSLCipherInfo(c);
}



KviSSLCertificate::KviSSLCertificate(X509 * x509)
{
	m_pSubject = new KviPointerHashTable<const char *,KviStr>(17);
	m_pSubject->setAutoDelete(true);
	m_pIssuer = new KviPointerHashTable<const char *,KviStr>(17);
	m_pIssuer->setAutoDelete(true);
	m_pX509 = 0;
	setX509(x509);
}

KviSSLCertificate::~KviSSLCertificate()
{
	X509_free(m_pX509);
	delete m_pSubject;
	delete m_pIssuer;
}

#ifdef COMPILE_ON_WINDOWS

	// On windows we need to override new and delete operators
	// to ensure that always the right new/delete pair is called for an object instance
	// This bug is present in all the classes exported by a module that
	// can be instantiated/destroyed from external modules.
	// (this is a well known bug described in Q122675 of MSDN)

	void * KviSSLCertificate::operator new(size_t tSize)
	{
		return kvi_malloc(tSize);
	}

	void KviSSLCertificate::operator delete(void * p)
	{
		kvi_free(p);
	}

#endif

void KviSSLCertificate::setX509(X509 * x509)
{
	if(m_pX509)X509_free(m_pX509);
	m_pX509 = x509;
	m_iVersion = X509_get_version(x509);
	extractSubject();
	extractIssuer();
	extractPubKeyInfo();
	extractSerialNumber();
	extractSignature();
}

void KviSSLCertificate::extractSubject()
{
	char buffer[1024];
	char * t = X509_NAME_oneline(X509_get_subject_name(m_pX509),buffer,1024);
	if (!t)return;
	m_pSubject->clear();
	splitX509String(m_pSubject,t);
}

void KviSSLCertificate::extractIssuer()
{
	char buffer[1024];
	char * t = X509_NAME_oneline(X509_get_issuer_name(m_pX509),buffer,1024);
	if (!t)return;
	m_pIssuer->clear();
	splitX509String(m_pIssuer,t);
}

void KviSSLCertificate::splitX509String(KviPointerHashTable<const char *,KviStr> * dict,const char * t)
{
	KviStr buf = t;
	int cnt;
	KviStr ** arr = buf.splitToArray('/',50,&cnt);
	if(arr)
	{
		if(cnt > 0)
		{
			for(int i=0;i<cnt;i++)
			{
				int idx = arr[i]->findFirstIdx('=');
				if(idx != -1)
				{
					KviStr szTok = arr[i]->left(idx);
					arr[i]->cutLeft(idx + 1);
					if(szTok.hasData() && arr[i]->hasData())
					{
						dict->replace(szTok.ptr(),new KviStr(arr[i]->ptr()));
					}
				}
			}
		}

		KviStr::freeArray(arr);
	}
}


const char * KviSSLCertificate::dictEntry(KviPointerHashTable<const char *,KviStr> * dict,const char * entry)
{
	KviStr * t = dict->find(entry);
	if(!t)return __tr("Unknown");
	return t->ptr();
}


/*
void KviSSLCertificate::getPKeyType(int type,KviStr &buffer)
{
	switch(type)
	{
#ifndef NO_RSA
		case EVP_PKEY_RSA:   buffer = "RSA";     break;
#endif
#ifndef NO_DSA
		case EVP_PKEY_DSA:   buffer = "DSA";     break;
#endif
#ifndef NO_DH
		case EVP_PKEY_DH:    buffer = "DH";      break;
#endif
		case EVP_PKEY_NONE:  buffer = "NONE";    break;
	}
}
*/

void KviSSLCertificate::extractPubKeyInfo()
{
	EVP_PKEY *p = X509_get_pubkey(m_pX509);
	if(p)
	{
		m_iPubKeyBits = EVP_PKEY_bits(p);
		m_szPubKeyType = (p->type == NID_undef) ? __tr("Unknown") : OBJ_nid2ln(p->type);
//		getPKeyType(p->type,m_szPubKeyType);
	} else {
		m_iPubKeyBits = 0;
		m_szPubKeyType = "None";
	}

}

void KviSSLCertificate::extractSerialNumber()
{
	ASN1_INTEGER * i = X509_get_serialNumber(m_pX509);
	if(i)m_iSerialNumber = ASN1_INTEGER_get(i);
	else m_iSerialNumber = -1;
}

void KviSSLCertificate::extractSignature()
{
	static char hexdigits[] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F'};

	//getPKeyType(X509_get_signature_type(m_pX509),m_szSignatureType);

	int i = OBJ_obj2nid(m_pX509->sig_alg->algorithm);
	m_szSignatureType = (i == NID_undef) ? __tr("Unknown") : OBJ_nid2ln(i);

	m_szSignatureContents = "";

	for(i = 0;i < m_pX509->signature->length;i++)
	{
		if(m_szSignatureContents.hasData())m_szSignatureContents.append(":");
		m_szSignatureContents.append(hexdigits[(m_pX509->signature->data[i] & 0xf0) >> 4]);
		m_szSignatureContents.append(hexdigits[(m_pX509->signature->data[i] & 0x0f)]);
	}
}

/*
const char * KviSSLCertificate::verify()
{
	
}
*/


KviSSLCipherInfo::KviSSLCipherInfo(SSL_CIPHER * c)
{
	m_szVersion = SSL_CIPHER_get_version(c);
	m_iNumBitsUsed = SSL_CIPHER_get_bits(c,&m_iNumBits);
	m_szName = SSL_CIPHER_get_name(c);
	char buf[1024];
	m_szDescription = SSL_CIPHER_description(c,buf,1024);
}

KviSSLCipherInfo::~KviSSLCipherInfo()
{
}

#ifdef COMPILE_ON_WINDOWS

	// On windows we need to override new and delete operators
	// to ensure that always the right new/delete pair is called for an object instance
	// This bug is present in all the classes exported by a module that
	// can be instantiated/destroyed from external modules.
	// (this is a well known bug described in Q122675 of MSDN)

	void * KviSSLCipherInfo::operator new(size_t tSize)
	{
		return kvi_malloc(tSize);
	}

	void KviSSLCipherInfo::operator delete(void * p)
	{
		kvi_free(p);
	}

#endif

#endif //COMPILE_SSL_SUPPORT