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authorcvs2svn <admin@example.com>2012-07-13 17:49:55 +0000
committercvs2svn <admin@example.com>2012-07-13 17:49:55 +0000
commit6fdb436ab2cd5b35066babb3a03be7ad0daf1ae2 (patch)
treea760cf389e7ea59961bb306a1f50bf5443205176 /src/lib/libcrypto/bio/bio.h
parent9204e59073bcf27e1487ec4ac46e981902ddd904 (diff)
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This commit was manufactured by cvs2git to create tag 'OPENBSD_5_2_BASE'.OPENBSD_5_2_BASE
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1/* crypto/bio/bio.h */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#ifndef HEADER_BIO_H
60#define HEADER_BIO_H
61
62#include <openssl/e_os2.h>
63
64#ifndef OPENSSL_NO_FP_API
65# include <stdio.h>
66#endif
67#include <stdarg.h>
68
69#include <openssl/crypto.h>
70
71#ifdef __cplusplus
72extern "C" {
73#endif
74
75/* These are the 'types' of BIOs */
76#define BIO_TYPE_NONE 0
77#define BIO_TYPE_MEM (1|0x0400)
78#define BIO_TYPE_FILE (2|0x0400)
79
80#define BIO_TYPE_FD (4|0x0400|0x0100)
81#define BIO_TYPE_SOCKET (5|0x0400|0x0100)
82#define BIO_TYPE_NULL (6|0x0400)
83#define BIO_TYPE_SSL (7|0x0200)
84#define BIO_TYPE_MD (8|0x0200) /* passive filter */
85#define BIO_TYPE_BUFFER (9|0x0200) /* filter */
86#define BIO_TYPE_CIPHER (10|0x0200) /* filter */
87#define BIO_TYPE_BASE64 (11|0x0200) /* filter */
88#define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */
89#define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */
90#define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */
91#define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */
92#define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */
93#define BIO_TYPE_NULL_FILTER (17|0x0200)
94#define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */
95#define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */
96#define BIO_TYPE_LINEBUFFER (20|0x0200) /* filter */
97#define BIO_TYPE_DGRAM (21|0x0400|0x0100)
98#define BIO_TYPE_ASN1 (22|0x0200) /* filter */
99#define BIO_TYPE_COMP (23|0x0200) /* filter */
100
101#define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
102#define BIO_TYPE_FILTER 0x0200
103#define BIO_TYPE_SOURCE_SINK 0x0400
104
105/* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
106 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
107#define BIO_NOCLOSE 0x00
108#define BIO_CLOSE 0x01
109
110/* These are used in the following macros and are passed to
111 * BIO_ctrl() */
112#define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */
113#define BIO_CTRL_EOF 2 /* opt - are we at the eof */
114#define BIO_CTRL_INFO 3 /* opt - extra tit-bits */
115#define BIO_CTRL_SET 4 /* man - set the 'IO' type */
116#define BIO_CTRL_GET 5 /* man - get the 'IO' type */
117#define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */
118#define BIO_CTRL_POP 7 /* opt - internal, used to signify change */
119#define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */
120#define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */
121#define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */
122#define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */
123#define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */
124#define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */
125/* callback is int cb(BIO *bio,state,ret); */
126#define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */
127#define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */
128
129#define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */
130
131/* dgram BIO stuff */
132#define BIO_CTRL_DGRAM_CONNECT 31 /* BIO dgram special */
133#define BIO_CTRL_DGRAM_SET_CONNECTED 32 /* allow for an externally
134 * connected socket to be
135 * passed in */
136#define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33 /* setsockopt, essentially */
137#define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34 /* getsockopt, essentially */
138#define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35 /* setsockopt, essentially */
139#define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36 /* getsockopt, essentially */
140
141#define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37 /* flag whether the last */
142#define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38 /* I/O operation tiemd out */
143
144/* #ifdef IP_MTU_DISCOVER */
145#define BIO_CTRL_DGRAM_MTU_DISCOVER 39 /* set DF bit on egress packets */
146/* #endif */
147
148#define BIO_CTRL_DGRAM_QUERY_MTU 40 /* as kernel for current MTU */
149#define BIO_CTRL_DGRAM_GET_MTU 41 /* get cached value for MTU */
150#define BIO_CTRL_DGRAM_SET_MTU 42 /* set cached value for
151 * MTU. want to use this
152 * if asking the kernel
153 * fails */
154
155#define BIO_CTRL_DGRAM_MTU_EXCEEDED 43 /* check whether the MTU
156 * was exceed in the
157 * previous write
158 * operation */
159
160#define BIO_CTRL_DGRAM_GET_PEER 46
161#define BIO_CTRL_DGRAM_SET_PEER 44 /* Destination for the data */
162
163#define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45 /* Next DTLS handshake timeout to
164 * adjust socket timeouts */
165
166/* modifiers */
167#define BIO_FP_READ 0x02
168#define BIO_FP_WRITE 0x04
169#define BIO_FP_APPEND 0x08
170#define BIO_FP_TEXT 0x10
171
172#define BIO_FLAGS_READ 0x01
173#define BIO_FLAGS_WRITE 0x02
174#define BIO_FLAGS_IO_SPECIAL 0x04
175#define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
176#define BIO_FLAGS_SHOULD_RETRY 0x08
177#ifndef BIO_FLAGS_UPLINK
178/* "UPLINK" flag denotes file descriptors provided by application.
179 It defaults to 0, as most platforms don't require UPLINK interface. */
180#define BIO_FLAGS_UPLINK 0
181#endif
182
183/* Used in BIO_gethostbyname() */
184#define BIO_GHBN_CTRL_HITS 1
185#define BIO_GHBN_CTRL_MISSES 2
186#define BIO_GHBN_CTRL_CACHE_SIZE 3
187#define BIO_GHBN_CTRL_GET_ENTRY 4
188#define BIO_GHBN_CTRL_FLUSH 5
189
190/* Mostly used in the SSL BIO */
191/* Not used anymore
192 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
193 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
194 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40
195 */
196
197#define BIO_FLAGS_BASE64_NO_NL 0x100
198
199/* This is used with memory BIOs: it means we shouldn't free up or change the
200 * data in any way.
201 */
202#define BIO_FLAGS_MEM_RDONLY 0x200
203
204typedef struct bio_st BIO;
205
206void BIO_set_flags(BIO *b, int flags);
207int BIO_test_flags(const BIO *b, int flags);
208void BIO_clear_flags(BIO *b, int flags);
209
210#define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
211#define BIO_set_retry_special(b) \
212 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
213#define BIO_set_retry_read(b) \
214 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
215#define BIO_set_retry_write(b) \
216 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
217
218/* These are normally used internally in BIOs */
219#define BIO_clear_retry_flags(b) \
220 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
221#define BIO_get_retry_flags(b) \
222 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
223
224/* These should be used by the application to tell why we should retry */
225#define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ)
226#define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE)
227#define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
228#define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS)
229#define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
230
231/* The next three are used in conjunction with the
232 * BIO_should_io_special() condition. After this returns true,
233 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
234 * stack and return the 'reason' for the special and the offending BIO.
235 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
236/* Returned from the SSL bio when the certificate retrieval code had an error */
237#define BIO_RR_SSL_X509_LOOKUP 0x01
238/* Returned from the connect BIO when a connect would have blocked */
239#define BIO_RR_CONNECT 0x02
240/* Returned from the accept BIO when an accept would have blocked */
241#define BIO_RR_ACCEPT 0x03
242
243/* These are passed by the BIO callback */
244#define BIO_CB_FREE 0x01
245#define BIO_CB_READ 0x02
246#define BIO_CB_WRITE 0x03
247#define BIO_CB_PUTS 0x04
248#define BIO_CB_GETS 0x05
249#define BIO_CB_CTRL 0x06
250
251/* The callback is called before and after the underling operation,
252 * The BIO_CB_RETURN flag indicates if it is after the call */
253#define BIO_CB_RETURN 0x80
254#define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
255#define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
256#define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
257
258long (*BIO_get_callback(const BIO *b)) (struct bio_st *,int,const char *,int, long,long);
259void BIO_set_callback(BIO *b,
260 long (*callback)(struct bio_st *,int,const char *,int, long,long));
261char *BIO_get_callback_arg(const BIO *b);
262void BIO_set_callback_arg(BIO *b, char *arg);
263
264const char * BIO_method_name(const BIO *b);
265int BIO_method_type(const BIO *b);
266
267typedef void bio_info_cb(struct bio_st *, int, const char *, int, long, long);
268
269typedef struct bio_method_st
270 {
271 int type;
272 const char *name;
273 int (*bwrite)(BIO *, const char *, int);
274 int (*bread)(BIO *, char *, int);
275 int (*bputs)(BIO *, const char *);
276 int (*bgets)(BIO *, char *, int);
277 long (*ctrl)(BIO *, int, long, void *);
278 int (*create)(BIO *);
279 int (*destroy)(BIO *);
280 long (*callback_ctrl)(BIO *, int, bio_info_cb *);
281 } BIO_METHOD;
282
283struct bio_st
284 {
285 BIO_METHOD *method;
286 /* bio, mode, argp, argi, argl, ret */
287 long (*callback)(struct bio_st *,int,const char *,int, long,long);
288 char *cb_arg; /* first argument for the callback */
289
290 int init;
291 int shutdown;
292 int flags; /* extra storage */
293 int retry_reason;
294 int num;
295 void *ptr;
296 struct bio_st *next_bio; /* used by filter BIOs */
297 struct bio_st *prev_bio; /* used by filter BIOs */
298 int references;
299 unsigned long num_read;
300 unsigned long num_write;
301
302 CRYPTO_EX_DATA ex_data;
303 };
304
305DECLARE_STACK_OF(BIO)
306
307typedef struct bio_f_buffer_ctx_struct
308 {
309 /* Buffers are setup like this:
310 *
311 * <---------------------- size ----------------------->
312 * +---------------------------------------------------+
313 * | consumed | remaining | free space |
314 * +---------------------------------------------------+
315 * <-- off --><------- len ------->
316 */
317
318 /* BIO *bio; */ /* this is now in the BIO struct */
319 int ibuf_size; /* how big is the input buffer */
320 int obuf_size; /* how big is the output buffer */
321
322 char *ibuf; /* the char array */
323 int ibuf_len; /* how many bytes are in it */
324 int ibuf_off; /* write/read offset */
325
326 char *obuf; /* the char array */
327 int obuf_len; /* how many bytes are in it */
328 int obuf_off; /* write/read offset */
329 } BIO_F_BUFFER_CTX;
330
331/* Prefix and suffix callback in ASN1 BIO */
332typedef int asn1_ps_func(BIO *b, unsigned char **pbuf, int *plen, void *parg);
333
334/* connect BIO stuff */
335#define BIO_CONN_S_BEFORE 1
336#define BIO_CONN_S_GET_IP 2
337#define BIO_CONN_S_GET_PORT 3
338#define BIO_CONN_S_CREATE_SOCKET 4
339#define BIO_CONN_S_CONNECT 5
340#define BIO_CONN_S_OK 6
341#define BIO_CONN_S_BLOCKED_CONNECT 7
342#define BIO_CONN_S_NBIO 8
343/*#define BIO_CONN_get_param_hostname BIO_ctrl */
344
345#define BIO_C_SET_CONNECT 100
346#define BIO_C_DO_STATE_MACHINE 101
347#define BIO_C_SET_NBIO 102
348#define BIO_C_SET_PROXY_PARAM 103
349#define BIO_C_SET_FD 104
350#define BIO_C_GET_FD 105
351#define BIO_C_SET_FILE_PTR 106
352#define BIO_C_GET_FILE_PTR 107
353#define BIO_C_SET_FILENAME 108
354#define BIO_C_SET_SSL 109
355#define BIO_C_GET_SSL 110
356#define BIO_C_SET_MD 111
357#define BIO_C_GET_MD 112
358#define BIO_C_GET_CIPHER_STATUS 113
359#define BIO_C_SET_BUF_MEM 114
360#define BIO_C_GET_BUF_MEM_PTR 115
361#define BIO_C_GET_BUFF_NUM_LINES 116
362#define BIO_C_SET_BUFF_SIZE 117
363#define BIO_C_SET_ACCEPT 118
364#define BIO_C_SSL_MODE 119
365#define BIO_C_GET_MD_CTX 120
366#define BIO_C_GET_PROXY_PARAM 121
367#define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */
368#define BIO_C_GET_CONNECT 123
369#define BIO_C_GET_ACCEPT 124
370#define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
371#define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
372#define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
373#define BIO_C_FILE_SEEK 128
374#define BIO_C_GET_CIPHER_CTX 129
375#define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/
376#define BIO_C_SET_BIND_MODE 131
377#define BIO_C_GET_BIND_MODE 132
378#define BIO_C_FILE_TELL 133
379#define BIO_C_GET_SOCKS 134
380#define BIO_C_SET_SOCKS 135
381
382#define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
383#define BIO_C_GET_WRITE_BUF_SIZE 137
384#define BIO_C_MAKE_BIO_PAIR 138
385#define BIO_C_DESTROY_BIO_PAIR 139
386#define BIO_C_GET_WRITE_GUARANTEE 140
387#define BIO_C_GET_READ_REQUEST 141
388#define BIO_C_SHUTDOWN_WR 142
389#define BIO_C_NREAD0 143
390#define BIO_C_NREAD 144
391#define BIO_C_NWRITE0 145
392#define BIO_C_NWRITE 146
393#define BIO_C_RESET_READ_REQUEST 147
394#define BIO_C_SET_MD_CTX 148
395
396#define BIO_C_SET_PREFIX 149
397#define BIO_C_GET_PREFIX 150
398#define BIO_C_SET_SUFFIX 151
399#define BIO_C_GET_SUFFIX 152
400
401#define BIO_C_SET_EX_ARG 153
402#define BIO_C_GET_EX_ARG 154
403
404#define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg)
405#define BIO_get_app_data(s) BIO_get_ex_data(s,0)
406
407/* BIO_s_connect() and BIO_s_socks4a_connect() */
408#define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
409#define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
410#define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
411#define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
412#define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
413#define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
414#define BIO_get_conn_ip(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)
415#define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3,0)
416
417
418#define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
419
420/* BIO_s_accept_socket() */
421#define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
422#define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
423/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
424#define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?(void *)"a":NULL)
425#define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
426
427#define BIO_BIND_NORMAL 0
428#define BIO_BIND_REUSEADDR_IF_UNUSED 1
429#define BIO_BIND_REUSEADDR 2
430#define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
431#define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
432
433#define BIO_do_connect(b) BIO_do_handshake(b)
434#define BIO_do_accept(b) BIO_do_handshake(b)
435#define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
436
437/* BIO_s_proxy_client() */
438#define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
439#define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
440/* BIO_set_nbio(b,n) */
441#define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
442/* BIO *BIO_get_filter_bio(BIO *bio); */
443#define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)()))
444#define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
445#define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
446
447#define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
448#define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
449#define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
450#define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
451
452#define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
453#define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
454
455#define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
456#define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
457
458#define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
459#define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
460
461/* name is cast to lose const, but might be better to route through a function
462 so we can do it safely */
463#ifdef CONST_STRICT
464/* If you are wondering why this isn't defined, its because CONST_STRICT is
465 * purely a compile-time kludge to allow const to be checked.
466 */
467int BIO_read_filename(BIO *b,const char *name);
468#else
469#define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
470 BIO_CLOSE|BIO_FP_READ,(char *)name)
471#endif
472#define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
473 BIO_CLOSE|BIO_FP_WRITE,name)
474#define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
475 BIO_CLOSE|BIO_FP_APPEND,name)
476#define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
477 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
478
479/* WARNING WARNING, this ups the reference count on the read bio of the
480 * SSL structure. This is because the ssl read BIO is now pointed to by
481 * the next_bio field in the bio. So when you free the BIO, make sure
482 * you are doing a BIO_free_all() to catch the underlying BIO. */
483#define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
484#define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
485#define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
486#define BIO_set_ssl_renegotiate_bytes(b,num) \
487 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
488#define BIO_get_num_renegotiates(b) \
489 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL);
490#define BIO_set_ssl_renegotiate_timeout(b,seconds) \
491 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
492
493/* defined in evp.h */
494/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
495
496#define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
497#define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
498#define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
499#define BIO_set_mem_eof_return(b,v) \
500 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
501
502/* For the BIO_f_buffer() type */
503#define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
504#define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
505#define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
506#define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
507#define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
508
509/* Don't use the next one unless you know what you are doing :-) */
510#define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
511
512#define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
513#define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
514#define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
515#define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
516#define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
517#define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
518/* ...pending macros have inappropriate return type */
519size_t BIO_ctrl_pending(BIO *b);
520size_t BIO_ctrl_wpending(BIO *b);
521#define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
522#define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
523 cbp)
524#define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
525
526/* For the BIO_f_buffer() type */
527#define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
528
529/* For BIO_s_bio() */
530#define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
531#define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
532#define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
533#define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
534#define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
535/* macros with inappropriate type -- but ...pending macros use int too: */
536#define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
537#define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
538size_t BIO_ctrl_get_write_guarantee(BIO *b);
539size_t BIO_ctrl_get_read_request(BIO *b);
540int BIO_ctrl_reset_read_request(BIO *b);
541
542/* ctrl macros for dgram */
543#define BIO_ctrl_dgram_connect(b,peer) \
544 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer)
545#define BIO_ctrl_set_connected(b, state, peer) \
546 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (char *)peer)
547#define BIO_dgram_recv_timedout(b) \
548 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
549#define BIO_dgram_send_timedout(b) \
550 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
551#define BIO_dgram_get_peer(b,peer) \
552 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer)
553#define BIO_dgram_set_peer(b,peer) \
554 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)
555
556/* These two aren't currently implemented */
557/* int BIO_get_ex_num(BIO *bio); */
558/* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
559int BIO_set_ex_data(BIO *bio,int idx,void *data);
560void *BIO_get_ex_data(BIO *bio,int idx);
561int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
562 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
563unsigned long BIO_number_read(BIO *bio);
564unsigned long BIO_number_written(BIO *bio);
565
566/* For BIO_f_asn1() */
567int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,
568 asn1_ps_func *prefix_free);
569int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,
570 asn1_ps_func **pprefix_free);
571int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,
572 asn1_ps_func *suffix_free);
573int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,
574 asn1_ps_func **psuffix_free);
575
576# ifndef OPENSSL_NO_FP_API
577BIO_METHOD *BIO_s_file(void );
578BIO *BIO_new_file(const char *filename, const char *mode);
579BIO *BIO_new_fp(FILE *stream, int close_flag);
580# define BIO_s_file_internal BIO_s_file
581# endif
582BIO * BIO_new(BIO_METHOD *type);
583int BIO_set(BIO *a,BIO_METHOD *type);
584int BIO_free(BIO *a);
585void BIO_vfree(BIO *a);
586int BIO_read(BIO *b, void *data, int len);
587int BIO_gets(BIO *bp,char *buf, int size);
588int BIO_write(BIO *b, const void *data, int len);
589int BIO_puts(BIO *bp,const char *buf);
590int BIO_indent(BIO *b,int indent,int max);
591long BIO_ctrl(BIO *bp,int cmd,long larg,void *parg);
592long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long));
593char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg);
594long BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg);
595BIO * BIO_push(BIO *b,BIO *append);
596BIO * BIO_pop(BIO *b);
597void BIO_free_all(BIO *a);
598BIO * BIO_find_type(BIO *b,int bio_type);
599BIO * BIO_next(BIO *b);
600BIO * BIO_get_retry_BIO(BIO *bio, int *reason);
601int BIO_get_retry_reason(BIO *bio);
602BIO * BIO_dup_chain(BIO *in);
603
604int BIO_nread0(BIO *bio, char **buf);
605int BIO_nread(BIO *bio, char **buf, int num);
606int BIO_nwrite0(BIO *bio, char **buf);
607int BIO_nwrite(BIO *bio, char **buf, int num);
608
609long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
610 long argl,long ret);
611
612BIO_METHOD *BIO_s_mem(void);
613BIO *BIO_new_mem_buf(void *buf, int len);
614BIO_METHOD *BIO_s_socket(void);
615BIO_METHOD *BIO_s_connect(void);
616BIO_METHOD *BIO_s_accept(void);
617BIO_METHOD *BIO_s_fd(void);
618#ifndef OPENSSL_SYS_OS2
619BIO_METHOD *BIO_s_log(void);
620#endif
621BIO_METHOD *BIO_s_bio(void);
622BIO_METHOD *BIO_s_null(void);
623BIO_METHOD *BIO_f_null(void);
624BIO_METHOD *BIO_f_buffer(void);
625#ifdef OPENSSL_SYS_VMS
626BIO_METHOD *BIO_f_linebuffer(void);
627#endif
628BIO_METHOD *BIO_f_nbio_test(void);
629#ifndef OPENSSL_NO_DGRAM
630BIO_METHOD *BIO_s_datagram(void);
631#endif
632
633/* BIO_METHOD *BIO_f_ber(void); */
634
635int BIO_sock_should_retry(int i);
636int BIO_sock_non_fatal_error(int error);
637int BIO_dgram_non_fatal_error(int error);
638
639int BIO_fd_should_retry(int i);
640int BIO_fd_non_fatal_error(int error);
641int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u),
642 void *u, const char *s, int len);
643int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
644 void *u, const char *s, int len, int indent);
645int BIO_dump(BIO *b,const char *bytes,int len);
646int BIO_dump_indent(BIO *b,const char *bytes,int len,int indent);
647#ifndef OPENSSL_NO_FP_API
648int BIO_dump_fp(FILE *fp, const char *s, int len);
649int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent);
650#endif
651struct hostent *BIO_gethostbyname(const char *name);
652/* We might want a thread-safe interface too:
653 * struct hostent *BIO_gethostbyname_r(const char *name,
654 * struct hostent *result, void *buffer, size_t buflen);
655 * or something similar (caller allocates a struct hostent,
656 * pointed to by "result", and additional buffer space for the various
657 * substructures; if the buffer does not suffice, NULL is returned
658 * and an appropriate error code is set).
659 */
660int BIO_sock_error(int sock);
661int BIO_socket_ioctl(int fd, long type, void *arg);
662int BIO_socket_nbio(int fd,int mode);
663int BIO_get_port(const char *str, unsigned short *port_ptr);
664int BIO_get_host_ip(const char *str, unsigned char *ip);
665int BIO_get_accept_socket(char *host_port,int mode);
666int BIO_accept(int sock,char **ip_port);
667int BIO_sock_init(void );
668void BIO_sock_cleanup(void);
669int BIO_set_tcp_ndelay(int sock,int turn_on);
670
671BIO *BIO_new_socket(int sock, int close_flag);
672BIO *BIO_new_dgram(int fd, int close_flag);
673BIO *BIO_new_fd(int fd, int close_flag);
674BIO *BIO_new_connect(char *host_port);
675BIO *BIO_new_accept(char *host_port);
676
677int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
678 BIO **bio2, size_t writebuf2);
679/* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
680 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL.
681 * Size 0 uses default value.
682 */
683
684void BIO_copy_next_retry(BIO *b);
685
686/*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/
687
688#ifdef __GNUC__
689# define __bio_h__attr__ __attribute__
690#else
691# define __bio_h__attr__(x)
692#endif
693int BIO_printf(BIO *bio, const char *format, ...)
694 __bio_h__attr__((__format__(__printf__,2,3)));
695int BIO_vprintf(BIO *bio, const char *format, va_list args)
696 __bio_h__attr__((__format__(__printf__,2,0)));
697int BIO_snprintf(char *buf, size_t n, const char *format, ...)
698 __bio_h__attr__((__format__(__printf__,3,4)));
699int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
700 __bio_h__attr__((__format__(__printf__,3,0)));
701#undef __bio_h__attr__
702
703/* BEGIN ERROR CODES */
704/* The following lines are auto generated by the script mkerr.pl. Any changes
705 * made after this point may be overwritten when the script is next run.
706 */
707void ERR_load_BIO_strings(void);
708
709/* Error codes for the BIO functions. */
710
711/* Function codes. */
712#define BIO_F_ACPT_STATE 100
713#define BIO_F_BIO_ACCEPT 101
714#define BIO_F_BIO_BER_GET_HEADER 102
715#define BIO_F_BIO_CALLBACK_CTRL 131
716#define BIO_F_BIO_CTRL 103
717#define BIO_F_BIO_GETHOSTBYNAME 120
718#define BIO_F_BIO_GETS 104
719#define BIO_F_BIO_GET_ACCEPT_SOCKET 105
720#define BIO_F_BIO_GET_HOST_IP 106
721#define BIO_F_BIO_GET_PORT 107
722#define BIO_F_BIO_MAKE_PAIR 121
723#define BIO_F_BIO_NEW 108
724#define BIO_F_BIO_NEW_FILE 109
725#define BIO_F_BIO_NEW_MEM_BUF 126
726#define BIO_F_BIO_NREAD 123
727#define BIO_F_BIO_NREAD0 124
728#define BIO_F_BIO_NWRITE 125
729#define BIO_F_BIO_NWRITE0 122
730#define BIO_F_BIO_PUTS 110
731#define BIO_F_BIO_READ 111
732#define BIO_F_BIO_SOCK_INIT 112
733#define BIO_F_BIO_WRITE 113
734#define BIO_F_BUFFER_CTRL 114
735#define BIO_F_CONN_CTRL 127
736#define BIO_F_CONN_STATE 115
737#define BIO_F_FILE_CTRL 116
738#define BIO_F_FILE_READ 130
739#define BIO_F_LINEBUFFER_CTRL 129
740#define BIO_F_MEM_READ 128
741#define BIO_F_MEM_WRITE 117
742#define BIO_F_SSL_NEW 118
743#define BIO_F_WSASTARTUP 119
744
745/* Reason codes. */
746#define BIO_R_ACCEPT_ERROR 100
747#define BIO_R_BAD_FOPEN_MODE 101
748#define BIO_R_BAD_HOSTNAME_LOOKUP 102
749#define BIO_R_BROKEN_PIPE 124
750#define BIO_R_CONNECT_ERROR 103
751#define BIO_R_EOF_ON_MEMORY_BIO 127
752#define BIO_R_ERROR_SETTING_NBIO 104
753#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
754#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106
755#define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
756#define BIO_R_INVALID_ARGUMENT 125
757#define BIO_R_INVALID_IP_ADDRESS 108
758#define BIO_R_IN_USE 123
759#define BIO_R_KEEPALIVE 109
760#define BIO_R_NBIO_CONNECT_ERROR 110
761#define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
762#define BIO_R_NO_HOSTNAME_SPECIFIED 112
763#define BIO_R_NO_PORT_DEFINED 113
764#define BIO_R_NO_PORT_SPECIFIED 114
765#define BIO_R_NO_SUCH_FILE 128
766#define BIO_R_NULL_PARAMETER 115
767#define BIO_R_TAG_MISMATCH 116
768#define BIO_R_UNABLE_TO_BIND_SOCKET 117
769#define BIO_R_UNABLE_TO_CREATE_SOCKET 118
770#define BIO_R_UNABLE_TO_LISTEN_SOCKET 119
771#define BIO_R_UNINITIALIZED 120
772#define BIO_R_UNSUPPORTED_METHOD 121
773#define BIO_R_WRITE_TO_READ_ONLY_BIO 126
774#define BIO_R_WSASTARTUP 122
775
776#ifdef __cplusplus
777}
778#endif
779#endif
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