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
|
/* $OpenBSD: bio.h,v 1.30 2017/04/06 18:25:38 deraadt Exp $ */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#ifndef HEADER_BIO_H
#define HEADER_BIO_H
#if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__OpenBSD__)
#define __bounded__(x, y, z)
#endif
#include <openssl/opensslconf.h>
# include <stdio.h>
#include <stdarg.h>
#include <openssl/crypto.h>
#ifdef __cplusplus
extern "C" {
#endif
/* These are the 'types' of BIOs */
#define BIO_TYPE_NONE 0
#define BIO_TYPE_MEM (1|0x0400)
#define BIO_TYPE_FILE (2|0x0400)
#define BIO_TYPE_FD (4|0x0400|0x0100)
#define BIO_TYPE_SOCKET (5|0x0400|0x0100)
#define BIO_TYPE_NULL (6|0x0400)
#define BIO_TYPE_SSL (7|0x0200)
#define BIO_TYPE_MD (8|0x0200) /* passive filter */
#define BIO_TYPE_BUFFER (9|0x0200) /* filter */
#define BIO_TYPE_CIPHER (10|0x0200) /* filter */
#define BIO_TYPE_BASE64 (11|0x0200) /* filter */
#define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */
#define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */
#define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */
#define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */
#define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */
#define BIO_TYPE_NULL_FILTER (17|0x0200)
#define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */
#define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */
#define BIO_TYPE_LINEBUFFER (20|0x0200) /* filter */
#define BIO_TYPE_DGRAM (21|0x0400|0x0100)
#define BIO_TYPE_ASN1 (22|0x0200) /* filter */
#define BIO_TYPE_COMP (23|0x0200) /* filter */
#define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
#define BIO_TYPE_FILTER 0x0200
#define BIO_TYPE_SOURCE_SINK 0x0400
/* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
* BIO_set_fp(in,stdin,BIO_NOCLOSE); */
#define BIO_NOCLOSE 0x00
#define BIO_CLOSE 0x01
/* These are used in the following macros and are passed to
* BIO_ctrl() */
#define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */
#define BIO_CTRL_EOF 2 /* opt - are we at the eof */
#define BIO_CTRL_INFO 3 /* opt - extra tit-bits */
#define BIO_CTRL_SET 4 /* man - set the 'IO' type */
#define BIO_CTRL_GET 5 /* man - get the 'IO' type */
#define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */
#define BIO_CTRL_POP 7 /* opt - internal, used to signify change */
#define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */
#define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */
#define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */
#define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */
#define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */
#define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */
/* callback is int cb(BIO *bio,state,ret); */
#define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */
#define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */
#define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */
/* dgram BIO stuff */
#define BIO_CTRL_DGRAM_CONNECT 31 /* BIO dgram special */
#define BIO_CTRL_DGRAM_SET_CONNECTED 32 /* allow for an externally
* connected socket to be
* passed in */
#define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33 /* setsockopt, essentially */
#define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34 /* getsockopt, essentially */
#define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35 /* setsockopt, essentially */
#define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36 /* getsockopt, essentially */
#define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37 /* flag whether the last */
#define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38 /* I/O operation tiemd out */
/* #ifdef IP_MTU_DISCOVER */
#define BIO_CTRL_DGRAM_MTU_DISCOVER 39 /* set DF bit on egress packets */
/* #endif */
#define BIO_CTRL_DGRAM_QUERY_MTU 40 /* as kernel for current MTU */
#define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47
#define BIO_CTRL_DGRAM_GET_MTU 41 /* get cached value for MTU */
#define BIO_CTRL_DGRAM_SET_MTU 42 /* set cached value for
* MTU. want to use this
* if asking the kernel
* fails */
#define BIO_CTRL_DGRAM_MTU_EXCEEDED 43 /* check whether the MTU
* was exceed in the
* previous write
* operation */
#define BIO_CTRL_DGRAM_GET_PEER 46
#define BIO_CTRL_DGRAM_SET_PEER 44 /* Destination for the data */
#define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45 /* Next DTLS handshake timeout to
* adjust socket timeouts */
/* modifiers */
#define BIO_FP_READ 0x02
#define BIO_FP_WRITE 0x04
#define BIO_FP_APPEND 0x08
#define BIO_FP_TEXT 0x10
#define BIO_FLAGS_READ 0x01
#define BIO_FLAGS_WRITE 0x02
#define BIO_FLAGS_IO_SPECIAL 0x04
#define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
#define BIO_FLAGS_SHOULD_RETRY 0x08
/* Used in BIO_gethostbyname() */
#define BIO_GHBN_CTRL_HITS 1
#define BIO_GHBN_CTRL_MISSES 2
#define BIO_GHBN_CTRL_CACHE_SIZE 3
#define BIO_GHBN_CTRL_GET_ENTRY 4
#define BIO_GHBN_CTRL_FLUSH 5
/* Mostly used in the SSL BIO */
/* Not used anymore
* #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
* #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
* #define BIO_FLAGS_PROTOCOL_STARTUP 0x40
*/
#define BIO_FLAGS_BASE64_NO_NL 0x100
/* This is used with memory BIOs: it means we shouldn't free up or change the
* data in any way.
*/
#define BIO_FLAGS_MEM_RDONLY 0x200
typedef struct bio_st BIO;
void BIO_set_flags(BIO *b, int flags);
int BIO_test_flags(const BIO *b, int flags);
void BIO_clear_flags(BIO *b, int flags);
#define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
#define BIO_set_retry_special(b) \
BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
#define BIO_set_retry_read(b) \
BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
#define BIO_set_retry_write(b) \
BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
/* These are normally used internally in BIOs */
#define BIO_clear_retry_flags(b) \
BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
#define BIO_get_retry_flags(b) \
BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
/* These should be used by the application to tell why we should retry */
#define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ)
#define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE)
#define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
#define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS)
#define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
/* The next three are used in conjunction with the
* BIO_should_io_special() condition. After this returns true,
* BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
* stack and return the 'reason' for the special and the offending BIO.
* Given a BIO, BIO_get_retry_reason(bio) will return the code. */
/* Returned from the SSL bio when the certificate retrieval code had an error */
#define BIO_RR_SSL_X509_LOOKUP 0x01
/* Returned from the connect BIO when a connect would have blocked */
#define BIO_RR_CONNECT 0x02
/* Returned from the accept BIO when an accept would have blocked */
#define BIO_RR_ACCEPT 0x03
/* These are passed by the BIO callback */
#define BIO_CB_FREE 0x01
#define BIO_CB_READ 0x02
#define BIO_CB_WRITE 0x03
#define BIO_CB_PUTS 0x04
#define BIO_CB_GETS 0x05
#define BIO_CB_CTRL 0x06
/* The callback is called before and after the underling operation,
* The BIO_CB_RETURN flag indicates if it is after the call */
#define BIO_CB_RETURN 0x80
#define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
#define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
#define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
long (*BIO_get_callback(const BIO *b))(struct bio_st *, int, const char *,
int, long, long);
void BIO_set_callback(BIO *b,
long (*callback)(struct bio_st *, int, const char *, int, long, long));
char *BIO_get_callback_arg(const BIO *b);
void BIO_set_callback_arg(BIO *b, char *arg);
const char * BIO_method_name(const BIO *b);
int BIO_method_type(const BIO *b);
typedef void bio_info_cb(struct bio_st *, int, const char *, int, long, long);
typedef struct bio_method_st {
int type;
const char *name;
int (*bwrite)(BIO *, const char *, int);
int (*bread)(BIO *, char *, int);
int (*bputs)(BIO *, const char *);
int (*bgets)(BIO *, char *, int);
long (*ctrl)(BIO *, int, long, void *);
int (*create)(BIO *);
int (*destroy)(BIO *);
long (*callback_ctrl)(BIO *, int, bio_info_cb *);
} BIO_METHOD;
struct bio_st {
BIO_METHOD *method;
/* bio, mode, argp, argi, argl, ret */
long (*callback)(struct bio_st *, int, const char *, int, long, long);
char *cb_arg; /* first argument for the callback */
int init;
int shutdown;
int flags; /* extra storage */
int retry_reason;
int num;
void *ptr;
struct bio_st *next_bio; /* used by filter BIOs */
struct bio_st *prev_bio; /* used by filter BIOs */
int references;
unsigned long num_read;
unsigned long num_write;
CRYPTO_EX_DATA ex_data;
};
DECLARE_STACK_OF(BIO)
typedef struct bio_f_buffer_ctx_struct {
/* Buffers are setup like this:
*
* <---------------------- size ----------------------->
* +---------------------------------------------------+
* | consumed | remaining | free space |
* +---------------------------------------------------+
* <-- off --><------- len ------->
*/
/* BIO *bio; */ /* this is now in the BIO struct */
int ibuf_size; /* how big is the input buffer */
int obuf_size; /* how big is the output buffer */
char *ibuf; /* the char array */
int ibuf_len; /* how many bytes are in it */
int ibuf_off; /* write/read offset */
char *obuf; /* the char array */
int obuf_len; /* how many bytes are in it */
int obuf_off; /* write/read offset */
} BIO_F_BUFFER_CTX;
/* Prefix and suffix callback in ASN1 BIO */
typedef int asn1_ps_func(BIO *b, unsigned char **pbuf, int *plen, void *parg);
/* connect BIO stuff */
#define BIO_CONN_S_BEFORE 1
#define BIO_CONN_S_GET_IP 2
#define BIO_CONN_S_GET_PORT 3
#define BIO_CONN_S_CREATE_SOCKET 4
#define BIO_CONN_S_CONNECT 5
#define BIO_CONN_S_OK 6
#define BIO_CONN_S_BLOCKED_CONNECT 7
#define BIO_CONN_S_NBIO 8
/*#define BIO_CONN_get_param_hostname BIO_ctrl */
#define BIO_C_SET_CONNECT 100
#define BIO_C_DO_STATE_MACHINE 101
#define BIO_C_SET_NBIO 102
#define BIO_C_SET_PROXY_PARAM 103
#define BIO_C_SET_FD 104
#define BIO_C_GET_FD 105
#define BIO_C_SET_FILE_PTR 106
#define BIO_C_GET_FILE_PTR 107
#define BIO_C_SET_FILENAME 108
#define BIO_C_SET_SSL 109
#define BIO_C_GET_SSL 110
#define BIO_C_SET_MD 111
#define BIO_C_GET_MD 112
#define BIO_C_GET_CIPHER_STATUS 113
#define BIO_C_SET_BUF_MEM 114
#define BIO_C_GET_BUF_MEM_PTR 115
#define BIO_C_GET_BUFF_NUM_LINES 116
#define BIO_C_SET_BUFF_SIZE 117
#define BIO_C_SET_ACCEPT 118
#define BIO_C_SSL_MODE 119
#define BIO_C_GET_MD_CTX 120
#define BIO_C_GET_PROXY_PARAM 121
#define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */
#define BIO_C_GET_CONNECT 123
#define BIO_C_GET_ACCEPT 124
#define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
#define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
#define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
#define BIO_C_FILE_SEEK 128
#define BIO_C_GET_CIPHER_CTX 129
#define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/
#define BIO_C_SET_BIND_MODE 131
#define BIO_C_GET_BIND_MODE 132
#define BIO_C_FILE_TELL 133
#define BIO_C_GET_SOCKS 134
#define BIO_C_SET_SOCKS 135
#define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
#define BIO_C_GET_WRITE_BUF_SIZE 137
#define BIO_C_MAKE_BIO_PAIR 138
#define BIO_C_DESTROY_BIO_PAIR 139
#define BIO_C_GET_WRITE_GUARANTEE 140
#define BIO_C_GET_READ_REQUEST 141
#define BIO_C_SHUTDOWN_WR 142
#define BIO_C_NREAD0 143
#define BIO_C_NREAD 144
#define BIO_C_NWRITE0 145
#define BIO_C_NWRITE 146
#define BIO_C_RESET_READ_REQUEST 147
#define BIO_C_SET_MD_CTX 148
#define BIO_C_SET_PREFIX 149
#define BIO_C_GET_PREFIX 150
#define BIO_C_SET_SUFFIX 151
#define BIO_C_GET_SUFFIX 152
#define BIO_C_SET_EX_ARG 153
#define BIO_C_GET_EX_ARG 154
#define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg)
#define BIO_get_app_data(s) BIO_get_ex_data(s,0)
/* BIO_s_connect() and BIO_s_socks4a_connect() */
#define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
#define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
#define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
#define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
#define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
#define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
#define BIO_get_conn_ip(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)
#define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3,0)
#define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
/* BIO_s_accept_socket() */
#define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
#define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
#define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?(void *)"a":NULL)
#define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
#define BIO_BIND_NORMAL 0
#define BIO_BIND_REUSEADDR_IF_UNUSED 1
#define BIO_BIND_REUSEADDR 2
#define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
#define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
#define BIO_do_connect(b) BIO_do_handshake(b)
#define BIO_do_accept(b) BIO_do_handshake(b)
#define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
/* BIO_s_proxy_client() */
#define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
#define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
/* BIO_set_nbio(b,n) */
#define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
/* BIO *BIO_get_filter_bio(BIO *bio); */
#define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)()))
#define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
#define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
#define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
#define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
#define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
#define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
#define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
#define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
#define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
#define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
#define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
#define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
/* name is cast to lose const, but might be better to route through a function
so we can do it safely */
#define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
BIO_CLOSE|BIO_FP_READ,(char *)name)
#define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
BIO_CLOSE|BIO_FP_WRITE,name)
#define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
BIO_CLOSE|BIO_FP_APPEND,name)
#define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
/* WARNING WARNING, this ups the reference count on the read bio of the
* SSL structure. This is because the ssl read BIO is now pointed to by
* the next_bio field in the bio. So when you free the BIO, make sure
* you are doing a BIO_free_all() to catch the underlying BIO. */
#define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
#define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
#define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
#define BIO_set_ssl_renegotiate_bytes(b,num) \
BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL)
#define BIO_get_num_renegotiates(b) \
BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL)
#define BIO_set_ssl_renegotiate_timeout(b,seconds) \
BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL)
/* defined in evp.h */
/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
#define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
#define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
#define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
#define BIO_set_mem_eof_return(b,v) \
BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
/* For the BIO_f_buffer() type */
#define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
#define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
#define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
#define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
#define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
/* Don't use the next one unless you know what you are doing :-) */
#define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
#define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
#define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
#define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
#define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
#define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
#define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
/* ...pending macros have inappropriate return type */
size_t BIO_ctrl_pending(BIO *b);
size_t BIO_ctrl_wpending(BIO *b);
#define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
#define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
cbp)
#define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
/* For the BIO_f_buffer() type */
#define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
/* For BIO_s_bio() */
#define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
#define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
#define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
#define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
#define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
/* macros with inappropriate type -- but ...pending macros use int too: */
#define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
#define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
size_t BIO_ctrl_get_write_guarantee(BIO *b);
size_t BIO_ctrl_get_read_request(BIO *b);
int BIO_ctrl_reset_read_request(BIO *b);
/* ctrl macros for dgram */
#define BIO_ctrl_dgram_connect(b,peer) \
(int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer)
#define BIO_ctrl_set_connected(b, state, peer) \
(int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (char *)peer)
#define BIO_dgram_recv_timedout(b) \
(int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
#define BIO_dgram_send_timedout(b) \
(int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
#define BIO_dgram_get_peer(b,peer) \
(int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer)
#define BIO_dgram_set_peer(b,peer) \
(int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)
/* These two aren't currently implemented */
/* int BIO_get_ex_num(BIO *bio); */
/* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
int BIO_set_ex_data(BIO *bio, int idx, void *data);
void *BIO_get_ex_data(BIO *bio, int idx);
int
BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
unsigned long BIO_number_read(BIO *bio);
unsigned long BIO_number_written(BIO *bio);
/* For BIO_f_asn1() */
int
BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,
asn1_ps_func *prefix_free);
int
BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,
asn1_ps_func **pprefix_free);
int
BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,
asn1_ps_func *suffix_free);
int
BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,
asn1_ps_func **psuffix_free);
BIO_METHOD *BIO_s_file(void );
BIO *BIO_new_file(const char *filename, const char *mode);
BIO *BIO_new_fp(FILE *stream, int close_flag);
# define BIO_s_file_internal BIO_s_file
BIO * BIO_new(BIO_METHOD *type);
int BIO_set(BIO *a, BIO_METHOD *type);
int BIO_free(BIO *a);
void BIO_vfree(BIO *a);
int BIO_read(BIO *b, void *data, int len)
__attribute__((__bounded__(__buffer__,2,3)));
int BIO_gets(BIO *bp, char *buf, int size)
__attribute__((__bounded__ (__string__,2,3)));
int BIO_write(BIO *b, const void *data, int len)
__attribute__((__bounded__(__buffer__,2,3)));
int BIO_puts(BIO *bp, const char *buf);
int BIO_indent(BIO *b, int indent, int max);
long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg);
long BIO_callback_ctrl(BIO *b, int cmd,
void (*fp)(struct bio_st *, int, const char *, int, long, long));
char * BIO_ptr_ctrl(BIO *bp, int cmd, long larg);
long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg);
BIO * BIO_push(BIO *b, BIO *append);
BIO * BIO_pop(BIO *b);
void BIO_free_all(BIO *a);
BIO * BIO_find_type(BIO *b, int bio_type);
BIO * BIO_next(BIO *b);
BIO * BIO_get_retry_BIO(BIO *bio, int *reason);
int BIO_get_retry_reason(BIO *bio);
BIO * BIO_dup_chain(BIO *in);
int BIO_nread0(BIO *bio, char **buf);
int BIO_nread(BIO *bio, char **buf, int num);
int BIO_nwrite0(BIO *bio, char **buf);
int BIO_nwrite(BIO *bio, char **buf, int num);
long BIO_debug_callback(BIO *bio, int cmd, const char *argp, int argi,
long argl, long ret);
BIO_METHOD *BIO_s_mem(void);
BIO *BIO_new_mem_buf(void *buf, int len);
BIO_METHOD *BIO_s_socket(void);
BIO_METHOD *BIO_s_connect(void);
BIO_METHOD *BIO_s_accept(void);
BIO_METHOD *BIO_s_fd(void);
BIO_METHOD *BIO_s_log(void);
BIO_METHOD *BIO_s_bio(void);
BIO_METHOD *BIO_s_null(void);
BIO_METHOD *BIO_f_null(void);
BIO_METHOD *BIO_f_buffer(void);
BIO_METHOD *BIO_f_nbio_test(void);
#ifndef OPENSSL_NO_DGRAM
BIO_METHOD *BIO_s_datagram(void);
#endif
/* BIO_METHOD *BIO_f_ber(void); */
int BIO_sock_should_retry(int i);
int BIO_sock_non_fatal_error(int _error);
int BIO_dgram_non_fatal_error(int _error);
int BIO_fd_should_retry(int i);
int BIO_fd_non_fatal_error(int _error);
int
BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u),
void *u, const char *s, int len);
int
BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
void *u, const char *s, int len, int indent);
int BIO_dump(BIO *b, const char *bytes, int len);
int BIO_dump_indent(BIO *b, const char *bytes, int len, int indent);
int BIO_dump_fp(FILE *fp, const char *s, int len);
int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent);
struct hostent *BIO_gethostbyname(const char *name);
/* We might want a thread-safe interface too:
* struct hostent *BIO_gethostbyname_r(const char *name,
* struct hostent *result, void *buffer, size_t buflen);
* or something similar (caller allocates a struct hostent,
* pointed to by "result", and additional buffer space for the various
* substructures; if the buffer does not suffice, NULL is returned
* and an appropriate error code is set).
*/
int BIO_sock_error(int sock);
int BIO_socket_ioctl(int fd, long type, void *arg);
int BIO_socket_nbio(int fd, int mode);
int BIO_get_port(const char *str, unsigned short *port_ptr);
int BIO_get_host_ip(const char *str, unsigned char *ip);
int BIO_get_accept_socket(char *host_port, int mode);
int BIO_accept(int sock, char **ip_port);
int BIO_sock_init(void );
void BIO_sock_cleanup(void);
int BIO_set_tcp_ndelay(int sock, int turn_on);
BIO *BIO_new_socket(int sock, int close_flag);
BIO *BIO_new_dgram(int fd, int close_flag);
BIO *BIO_new_fd(int fd, int close_flag);
BIO *BIO_new_connect(char *host_port);
BIO *BIO_new_accept(char *host_port);
int
BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
BIO **bio2, size_t writebuf2);
/* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
* Otherwise returns 0 and sets *bio1 and *bio2 to NULL.
* Size 0 uses default value.
*/
void BIO_copy_next_retry(BIO *b);
/*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/
int
BIO_printf(BIO *bio, const char *format, ...)
__attribute__((__format__(__printf__, 2, 3), __nonnull__(2)));
int
BIO_vprintf(BIO *bio, const char *format, va_list args)
__attribute__((__format__(__printf__, 2, 0), __nonnull__(2)));
int
BIO_snprintf(char *buf, size_t n, const char *format, ...)
__attribute__((__deprecated__, __format__(__printf__, 3, 4),
__nonnull__(3)));
int
BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
__attribute__((__deprecated__, __format__(__printf__, 3, 0),
__nonnull__(3)));
/* BEGIN ERROR CODES */
/* The following lines are auto generated by the script mkerr.pl. Any changes
* made after this point may be overwritten when the script is next run.
*/
void ERR_load_BIO_strings(void);
/* Error codes for the BIO functions. */
/* Function codes. */
#define BIO_F_ACPT_STATE 100
#define BIO_F_BIO_ACCEPT 101
#define BIO_F_BIO_BER_GET_HEADER 102
#define BIO_F_BIO_CALLBACK_CTRL 131
#define BIO_F_BIO_CTRL 103
#define BIO_F_BIO_GETHOSTBYNAME 120
#define BIO_F_BIO_GETS 104
#define BIO_F_BIO_GET_ACCEPT_SOCKET 105
#define BIO_F_BIO_GET_HOST_IP 106
#define BIO_F_BIO_GET_PORT 107
#define BIO_F_BIO_MAKE_PAIR 121
#define BIO_F_BIO_NEW 108
#define BIO_F_BIO_NEW_FILE 109
#define BIO_F_BIO_NEW_MEM_BUF 126
#define BIO_F_BIO_NREAD 123
#define BIO_F_BIO_NREAD0 124
#define BIO_F_BIO_NWRITE 125
#define BIO_F_BIO_NWRITE0 122
#define BIO_F_BIO_PUTS 110
#define BIO_F_BIO_READ 111
#define BIO_F_BIO_SOCK_INIT 112
#define BIO_F_BIO_WRITE 113
#define BIO_F_BUFFER_CTRL 114
#define BIO_F_CONN_CTRL 127
#define BIO_F_CONN_STATE 115
#define BIO_F_DGRAM_SCTP_READ 132
#define BIO_F_FILE_CTRL 116
#define BIO_F_FILE_READ 130
#define BIO_F_LINEBUFFER_CTRL 129
#define BIO_F_MEM_READ 128
#define BIO_F_MEM_WRITE 117
#define BIO_F_SSL_NEW 118
#define BIO_F_WSASTARTUP 119
/* Reason codes. */
#define BIO_R_ACCEPT_ERROR 100
#define BIO_R_BAD_FOPEN_MODE 101
#define BIO_R_BAD_HOSTNAME_LOOKUP 102
#define BIO_R_BROKEN_PIPE 124
#define BIO_R_CONNECT_ERROR 103
#define BIO_R_EOF_ON_MEMORY_BIO 127
#define BIO_R_ERROR_SETTING_NBIO 104
#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106
#define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
#define BIO_R_INVALID_ARGUMENT 125
#define BIO_R_INVALID_IP_ADDRESS 108
#define BIO_R_INVALID_PORT_NUMBER 129
#define BIO_R_IN_USE 123
#define BIO_R_KEEPALIVE 109
#define BIO_R_NBIO_CONNECT_ERROR 110
#define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
#define BIO_R_NO_HOSTNAME_SPECIFIED 112
#define BIO_R_NO_PORT_DEFINED 113
#define BIO_R_NO_PORT_SPECIFIED 114
#define BIO_R_NO_SUCH_FILE 128
#define BIO_R_NULL_PARAMETER 115
#define BIO_R_TAG_MISMATCH 116
#define BIO_R_UNABLE_TO_BIND_SOCKET 117
#define BIO_R_UNABLE_TO_CREATE_SOCKET 118
#define BIO_R_UNABLE_TO_LISTEN_SOCKET 119
#define BIO_R_UNINITIALIZED 120
#define BIO_R_UNSUPPORTED_METHOD 121
#define BIO_R_WRITE_TO_READ_ONLY_BIO 126
#define BIO_R_WSASTARTUP 122
#ifdef __cplusplus
}
#endif
#endif
|