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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#ifndef OPENSSL_NO_FP_API
63# include <stdio.h>
64#endif
65#include <stdarg.h>
66
67#include <openssl/crypto.h>
68#include <openssl/e_os2.h>
69
70#ifdef __cplusplus
71extern "C" {
72#endif
73
74/* These are the 'types' of BIOs */
75#define BIO_TYPE_NONE 0
76#define BIO_TYPE_MEM (1|0x0400)
77#define BIO_TYPE_FILE (2|0x0400)
78
79#define BIO_TYPE_FD (4|0x0400|0x0100)
80#define BIO_TYPE_SOCKET (5|0x0400|0x0100)
81#define BIO_TYPE_NULL (6|0x0400)
82#define BIO_TYPE_SSL (7|0x0200)
83#define BIO_TYPE_MD (8|0x0200) /* passive filter */
84#define BIO_TYPE_BUFFER (9|0x0200) /* filter */
85#define BIO_TYPE_CIPHER (10|0x0200) /* filter */
86#define BIO_TYPE_BASE64 (11|0x0200) /* filter */
87#define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */
88#define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */
89#define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */
90#define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */
91#define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */
92#define BIO_TYPE_NULL_FILTER (17|0x0200)
93#define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */
94#define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */
95#define BIO_TYPE_LINEBUFFER (20|0x0200) /* filter */
96
97#define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
98#define BIO_TYPE_FILTER 0x0200
99#define BIO_TYPE_SOURCE_SINK 0x0400
100
101/* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
102 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
103#define BIO_NOCLOSE 0x00
104#define BIO_CLOSE 0x01
105
106/* These are used in the following macros and are passed to
107 * BIO_ctrl() */
108#define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */
109#define BIO_CTRL_EOF 2 /* opt - are we at the eof */
110#define BIO_CTRL_INFO 3 /* opt - extra tit-bits */
111#define BIO_CTRL_SET 4 /* man - set the 'IO' type */
112#define BIO_CTRL_GET 5 /* man - get the 'IO' type */
113#define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */
114#define BIO_CTRL_POP 7 /* opt - internal, used to signify change */
115#define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */
116#define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */
117#define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */
118#define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */
119#define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */
120#define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */
121/* callback is int cb(BIO *bio,state,ret); */
122#define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */
123#define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */
124
125#define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */
126
127/* modifiers */
128#define BIO_FP_READ 0x02
129#define BIO_FP_WRITE 0x04
130#define BIO_FP_APPEND 0x08
131#define BIO_FP_TEXT 0x10
132
133#define BIO_FLAGS_READ 0x01
134#define BIO_FLAGS_WRITE 0x02
135#define BIO_FLAGS_IO_SPECIAL 0x04
136#define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
137#define BIO_FLAGS_SHOULD_RETRY 0x08
138
139/* Used in BIO_gethostbyname() */
140#define BIO_GHBN_CTRL_HITS 1
141#define BIO_GHBN_CTRL_MISSES 2
142#define BIO_GHBN_CTRL_CACHE_SIZE 3
143#define BIO_GHBN_CTRL_GET_ENTRY 4
144#define BIO_GHBN_CTRL_FLUSH 5
145
146/* Mostly used in the SSL BIO */
147/* Not used anymore
148 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
149 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
150 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40
151 */
152
153#define BIO_FLAGS_BASE64_NO_NL 0x100
154
155/* This is used with memory BIOs: it means we shouldn't free up or change the
156 * data in any way.
157 */
158#define BIO_FLAGS_MEM_RDONLY 0x200
159
160#define BIO_set_flags(b,f) ((b)->flags|=(f))
161#define BIO_get_flags(b) ((b)->flags)
162#define BIO_set_retry_special(b) \
163 ((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
164#define BIO_set_retry_read(b) \
165 ((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
166#define BIO_set_retry_write(b) \
167 ((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
168
169/* These are normally used internally in BIOs */
170#define BIO_clear_flags(b,f) ((b)->flags&= ~(f))
171#define BIO_clear_retry_flags(b) \
172 ((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
173#define BIO_get_retry_flags(b) \
174 ((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
175
176/* These should be used by the application to tell why we should retry */
177#define BIO_should_read(a) ((a)->flags & BIO_FLAGS_READ)
178#define BIO_should_write(a) ((a)->flags & BIO_FLAGS_WRITE)
179#define BIO_should_io_special(a) ((a)->flags & BIO_FLAGS_IO_SPECIAL)
180#define BIO_retry_type(a) ((a)->flags & BIO_FLAGS_RWS)
181#define BIO_should_retry(a) ((a)->flags & BIO_FLAGS_SHOULD_RETRY)
182
183/* The next three are used in conjunction with the
184 * BIO_should_io_special() condition. After this returns true,
185 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
186 * stack and return the 'reason' for the special and the offending BIO.
187 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
188/* Returned from the SSL bio when the certificate retrieval code had an error */
189#define BIO_RR_SSL_X509_LOOKUP 0x01
190/* Returned from the connect BIO when a connect would have blocked */
191#define BIO_RR_CONNECT 0x02
192/* Returned from the accept BIO when an accept would have blocked */
193#define BIO_RR_ACCEPT 0x03
194
195/* These are passed by the BIO callback */
196#define BIO_CB_FREE 0x01
197#define BIO_CB_READ 0x02
198#define BIO_CB_WRITE 0x03
199#define BIO_CB_PUTS 0x04
200#define BIO_CB_GETS 0x05
201#define BIO_CB_CTRL 0x06
202
203/* The callback is called before and after the underling operation,
204 * The BIO_CB_RETURN flag indicates if it is after the call */
205#define BIO_CB_RETURN 0x80
206#define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
207#define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
208#define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
209
210#define BIO_set_callback(b,cb) ((b)->callback=(cb))
211#define BIO_set_callback_arg(b,arg) ((b)->cb_arg=(char *)(arg))
212#define BIO_get_callback_arg(b) ((b)->cb_arg)
213#define BIO_get_callback(b) ((b)->callback)
214#define BIO_method_name(b) ((b)->method->name)
215#define BIO_method_type(b) ((b)->method->type)
216
217typedef struct bio_st BIO;
218
219typedef void bio_info_cb(struct bio_st *, int, const char *, int, long, long);
220
221#ifndef OPENSSL_SYS_WIN16
222typedef struct bio_method_st
223 {
224 int type;
225 const char *name;
226 int (*bwrite)(BIO *, const char *, int);
227 int (*bread)(BIO *, char *, int);
228 int (*bputs)(BIO *, const char *);
229 int (*bgets)(BIO *, char *, int);
230 long (*ctrl)(BIO *, int, long, void *);
231 int (*create)(BIO *);
232 int (*destroy)(BIO *);
233 long (*callback_ctrl)(BIO *, int, bio_info_cb *);
234 } BIO_METHOD;
235#else
236typedef struct bio_method_st
237 {
238 int type;
239 const char *name;
240 int (_far *bwrite)();
241 int (_far *bread)();
242 int (_far *bputs)();
243 int (_far *bgets)();
244 long (_far *ctrl)();
245 int (_far *create)();
246 int (_far *destroy)();
247 long (_far *callback_ctrl)();
248 } BIO_METHOD;
249#endif
250
251struct bio_st
252 {
253 BIO_METHOD *method;
254 /* bio, mode, argp, argi, argl, ret */
255 long (*callback)(struct bio_st *,int,const char *,int, long,long);
256 char *cb_arg; /* first argument for the callback */
257
258 int init;
259 int shutdown;
260 int flags; /* extra storage */
261 int retry_reason;
262 int num;
263 void *ptr;
264 struct bio_st *next_bio; /* used by filter BIOs */
265 struct bio_st *prev_bio; /* used by filter BIOs */
266 int references;
267 unsigned long num_read;
268 unsigned long num_write;
269
270 CRYPTO_EX_DATA ex_data;
271 };
272
273DECLARE_STACK_OF(BIO)
274
275typedef struct bio_f_buffer_ctx_struct
276 {
277 /* BIO *bio; */ /* this is now in the BIO struct */
278 int ibuf_size; /* how big is the input buffer */
279 int obuf_size; /* how big is the output buffer */
280
281 char *ibuf; /* the char array */
282 int ibuf_len; /* how many bytes are in it */
283 int ibuf_off; /* write/read offset */
284
285 char *obuf; /* the char array */
286 int obuf_len; /* how many bytes are in it */
287 int obuf_off; /* write/read offset */
288 } BIO_F_BUFFER_CTX;
289
290/* connect BIO stuff */
291#define BIO_CONN_S_BEFORE 1
292#define BIO_CONN_S_GET_IP 2
293#define BIO_CONN_S_GET_PORT 3
294#define BIO_CONN_S_CREATE_SOCKET 4
295#define BIO_CONN_S_CONNECT 5
296#define BIO_CONN_S_OK 6
297#define BIO_CONN_S_BLOCKED_CONNECT 7
298#define BIO_CONN_S_NBIO 8
299/*#define BIO_CONN_get_param_hostname BIO_ctrl */
300
301#define BIO_C_SET_CONNECT 100
302#define BIO_C_DO_STATE_MACHINE 101
303#define BIO_C_SET_NBIO 102
304#define BIO_C_SET_PROXY_PARAM 103
305#define BIO_C_SET_FD 104
306#define BIO_C_GET_FD 105
307#define BIO_C_SET_FILE_PTR 106
308#define BIO_C_GET_FILE_PTR 107
309#define BIO_C_SET_FILENAME 108
310#define BIO_C_SET_SSL 109
311#define BIO_C_GET_SSL 110
312#define BIO_C_SET_MD 111
313#define BIO_C_GET_MD 112
314#define BIO_C_GET_CIPHER_STATUS 113
315#define BIO_C_SET_BUF_MEM 114
316#define BIO_C_GET_BUF_MEM_PTR 115
317#define BIO_C_GET_BUFF_NUM_LINES 116
318#define BIO_C_SET_BUFF_SIZE 117
319#define BIO_C_SET_ACCEPT 118
320#define BIO_C_SSL_MODE 119
321#define BIO_C_GET_MD_CTX 120
322#define BIO_C_GET_PROXY_PARAM 121
323#define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */
324#define BIO_C_GET_CONNECT 123
325#define BIO_C_GET_ACCEPT 124
326#define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
327#define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
328#define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
329#define BIO_C_FILE_SEEK 128
330#define BIO_C_GET_CIPHER_CTX 129
331#define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/
332#define BIO_C_SET_BIND_MODE 131
333#define BIO_C_GET_BIND_MODE 132
334#define BIO_C_FILE_TELL 133
335#define BIO_C_GET_SOCKS 134
336#define BIO_C_SET_SOCKS 135
337
338#define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
339#define BIO_C_GET_WRITE_BUF_SIZE 137
340#define BIO_C_MAKE_BIO_PAIR 138
341#define BIO_C_DESTROY_BIO_PAIR 139
342#define BIO_C_GET_WRITE_GUARANTEE 140
343#define BIO_C_GET_READ_REQUEST 141
344#define BIO_C_SHUTDOWN_WR 142
345#define BIO_C_NREAD0 143
346#define BIO_C_NREAD 144
347#define BIO_C_NWRITE0 145
348#define BIO_C_NWRITE 146
349#define BIO_C_RESET_READ_REQUEST 147
350#define BIO_C_SET_MD_CTX 148
351
352
353#define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg)
354#define BIO_get_app_data(s) BIO_get_ex_data(s,0)
355
356/* BIO_s_connect() and BIO_s_socks4a_connect() */
357#define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
358#define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
359#define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
360#define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
361#define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
362#define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
363#define BIO_get_conn_ip(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)
364#define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3)
365
366
367#define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
368
369/* BIO_s_accept_socket() */
370#define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
371#define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
372/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
373#define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL)
374#define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
375
376#define BIO_BIND_NORMAL 0
377#define BIO_BIND_REUSEADDR_IF_UNUSED 1
378#define BIO_BIND_REUSEADDR 2
379#define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
380#define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
381
382#define BIO_do_connect(b) BIO_do_handshake(b)
383#define BIO_do_accept(b) BIO_do_handshake(b)
384#define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
385
386/* BIO_s_proxy_client() */
387#define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
388#define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
389/* BIO_set_nbio(b,n) */
390#define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
391/* BIO *BIO_get_filter_bio(BIO *bio); */
392#define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)()))
393#define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
394#define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
395
396#define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
397#define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
398#define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
399#define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
400
401#define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
402#define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
403
404#define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
405#define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
406
407#define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
408#define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
409
410/* name is cast to lose const, but might be better to route through a function
411 so we can do it safely */
412#ifdef CONST_STRICT
413/* If you are wondering why this isn't defined, its because CONST_STRICT is
414 * purely a compile-time kludge to allow const to be checked.
415 */
416int BIO_read_filename(BIO *b,const char *name);
417#else
418#define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
419 BIO_CLOSE|BIO_FP_READ,(char *)name)
420#endif
421#define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
422 BIO_CLOSE|BIO_FP_WRITE,name)
423#define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
424 BIO_CLOSE|BIO_FP_APPEND,name)
425#define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
426 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
427
428/* WARNING WARNING, this ups the reference count on the read bio of the
429 * SSL structure. This is because the ssl read BIO is now pointed to by
430 * the next_bio field in the bio. So when you free the BIO, make sure
431 * you are doing a BIO_free_all() to catch the underlying BIO. */
432#define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
433#define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
434#define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
435#define BIO_set_ssl_renegotiate_bytes(b,num) \
436 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
437#define BIO_get_num_renegotiates(b) \
438 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL);
439#define BIO_set_ssl_renegotiate_timeout(b,seconds) \
440 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
441
442/* defined in evp.h */
443/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
444
445#define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
446#define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
447#define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
448#define BIO_set_mem_eof_return(b,v) \
449 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
450
451/* For the BIO_f_buffer() type */
452#define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
453#define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
454#define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
455#define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
456#define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
457
458/* Don't use the next one unless you know what you are doing :-) */
459#define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
460
461#define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
462#define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
463#define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
464#define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
465#define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
466#define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
467/* ...pending macros have inappropriate return type */
468size_t BIO_ctrl_pending(BIO *b);
469size_t BIO_ctrl_wpending(BIO *b);
470#define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
471#define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
472 cbp)
473#define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
474
475/* For the BIO_f_buffer() type */
476#define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
477
478/* For BIO_s_bio() */
479#define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
480#define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
481#define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
482#define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
483#define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
484/* macros with inappropriate type -- but ...pending macros use int too: */
485#define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
486#define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
487size_t BIO_ctrl_get_write_guarantee(BIO *b);
488size_t BIO_ctrl_get_read_request(BIO *b);
489int BIO_ctrl_reset_read_request(BIO *b);
490
491/* These two aren't currently implemented */
492/* int BIO_get_ex_num(BIO *bio); */
493/* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
494int BIO_set_ex_data(BIO *bio,int idx,void *data);
495void *BIO_get_ex_data(BIO *bio,int idx);
496int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
497 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
498unsigned long BIO_number_read(BIO *bio);
499unsigned long BIO_number_written(BIO *bio);
500
501# ifndef OPENSSL_NO_FP_API
502# if defined(OPENSSL_SYS_WIN16) && defined(_WINDLL)
503BIO_METHOD *BIO_s_file_internal(void);
504BIO *BIO_new_file_internal(char *filename, char *mode);
505BIO *BIO_new_fp_internal(FILE *stream, int close_flag);
506# define BIO_s_file BIO_s_file_internal
507# define BIO_new_file BIO_new_file_internal
508# define BIO_new_fp BIO_new_fp_internal
509# else /* FP_API */
510BIO_METHOD *BIO_s_file(void );
511BIO *BIO_new_file(const char *filename, const char *mode);
512BIO *BIO_new_fp(FILE *stream, int close_flag);
513# define BIO_s_file_internal BIO_s_file
514# define BIO_new_file_internal BIO_new_file
515# define BIO_new_fp_internal BIO_s_file
516# endif /* FP_API */
517# endif
518BIO * BIO_new(BIO_METHOD *type);
519int BIO_set(BIO *a,BIO_METHOD *type);
520int BIO_free(BIO *a);
521void BIO_vfree(BIO *a);
522int BIO_read(BIO *b, void *data, int len);
523int BIO_gets(BIO *bp,char *buf, int size);
524int BIO_write(BIO *b, const void *data, int len);
525int BIO_puts(BIO *bp,const char *buf);
526int BIO_indent(BIO *b,int indent,int max);
527long BIO_ctrl(BIO *bp,int cmd,long larg,void *parg);
528long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long));
529char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg);
530long BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg);
531BIO * BIO_push(BIO *b,BIO *append);
532BIO * BIO_pop(BIO *b);
533void BIO_free_all(BIO *a);
534BIO * BIO_find_type(BIO *b,int bio_type);
535BIO * BIO_next(BIO *b);
536BIO * BIO_get_retry_BIO(BIO *bio, int *reason);
537int BIO_get_retry_reason(BIO *bio);
538BIO * BIO_dup_chain(BIO *in);
539
540int BIO_nread0(BIO *bio, char **buf);
541int BIO_nread(BIO *bio, char **buf, int num);
542int BIO_nwrite0(BIO *bio, char **buf);
543int BIO_nwrite(BIO *bio, char **buf, int num);
544
545#ifndef OPENSSL_SYS_WIN16
546long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
547 long argl,long ret);
548#else
549long _far _loadds BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
550 long argl,long ret);
551#endif
552
553BIO_METHOD *BIO_s_mem(void);
554BIO *BIO_new_mem_buf(void *buf, int len);
555BIO_METHOD *BIO_s_socket(void);
556BIO_METHOD *BIO_s_connect(void);
557BIO_METHOD *BIO_s_accept(void);
558BIO_METHOD *BIO_s_fd(void);
559#ifndef OPENSSL_SYS_OS2
560BIO_METHOD *BIO_s_log(void);
561#endif
562BIO_METHOD *BIO_s_bio(void);
563BIO_METHOD *BIO_s_null(void);
564BIO_METHOD *BIO_f_null(void);
565BIO_METHOD *BIO_f_buffer(void);
566#ifdef OPENSSL_SYS_VMS
567BIO_METHOD *BIO_f_linebuffer(void);
568#endif
569BIO_METHOD *BIO_f_nbio_test(void);
570/* BIO_METHOD *BIO_f_ber(void); */
571
572int BIO_sock_should_retry(int i);
573int BIO_sock_non_fatal_error(int error);
574int BIO_fd_should_retry(int i);
575int BIO_fd_non_fatal_error(int error);
576int BIO_dump(BIO *b,const char *bytes,int len);
577int BIO_dump_indent(BIO *b,const char *bytes,int len,int indent);
578
579struct hostent *BIO_gethostbyname(const char *name);
580/* We might want a thread-safe interface too:
581 * struct hostent *BIO_gethostbyname_r(const char *name,
582 * struct hostent *result, void *buffer, size_t buflen);
583 * or something similar (caller allocates a struct hostent,
584 * pointed to by "result", and additional buffer space for the various
585 * substructures; if the buffer does not suffice, NULL is returned
586 * and an appropriate error code is set).
587 */
588int BIO_sock_error(int sock);
589int BIO_socket_ioctl(int fd, long type, void *arg);
590int BIO_socket_nbio(int fd,int mode);
591int BIO_get_port(const char *str, unsigned short *port_ptr);
592int BIO_get_host_ip(const char *str, unsigned char *ip);
593int BIO_get_accept_socket(char *host_port,int mode);
594int BIO_accept(int sock,char **ip_port);
595int BIO_sock_init(void );
596void BIO_sock_cleanup(void);
597int BIO_set_tcp_ndelay(int sock,int turn_on);
598
599BIO *BIO_new_socket(int sock, int close_flag);
600BIO *BIO_new_fd(int fd, int close_flag);
601BIO *BIO_new_connect(char *host_port);
602BIO *BIO_new_accept(char *host_port);
603
604int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
605 BIO **bio2, size_t writebuf2);
606/* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
607 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL.
608 * Size 0 uses default value.
609 */
610
611void BIO_copy_next_retry(BIO *b);
612
613/*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/
614
615int BIO_printf(BIO *bio, const char *format, ...);
616int BIO_vprintf(BIO *bio, const char *format, va_list args);
617int BIO_snprintf(char *buf, size_t n, const char *format, ...);
618int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args);
619
620/* BEGIN ERROR CODES */
621/* The following lines are auto generated by the script mkerr.pl. Any changes
622 * made after this point may be overwritten when the script is next run.
623 */
624void ERR_load_BIO_strings(void);
625
626/* Error codes for the BIO functions. */
627
628/* Function codes. */
629#define BIO_F_ACPT_STATE 100
630#define BIO_F_BIO_ACCEPT 101
631#define BIO_F_BIO_BER_GET_HEADER 102
632#define BIO_F_BIO_CTRL 103
633#define BIO_F_BIO_GETHOSTBYNAME 120
634#define BIO_F_BIO_GETS 104
635#define BIO_F_BIO_GET_ACCEPT_SOCKET 105
636#define BIO_F_BIO_GET_HOST_IP 106
637#define BIO_F_BIO_GET_PORT 107
638#define BIO_F_BIO_MAKE_PAIR 121
639#define BIO_F_BIO_NEW 108
640#define BIO_F_BIO_NEW_FILE 109
641#define BIO_F_BIO_NEW_MEM_BUF 126
642#define BIO_F_BIO_NREAD 123
643#define BIO_F_BIO_NREAD0 124
644#define BIO_F_BIO_NWRITE 125
645#define BIO_F_BIO_NWRITE0 122
646#define BIO_F_BIO_PUTS 110
647#define BIO_F_BIO_READ 111
648#define BIO_F_BIO_SOCK_INIT 112
649#define BIO_F_BIO_WRITE 113
650#define BIO_F_BUFFER_CTRL 114
651#define BIO_F_CONN_CTRL 127
652#define BIO_F_CONN_STATE 115
653#define BIO_F_FILE_CTRL 116
654#define BIO_F_FILE_READ 130
655#define BIO_F_LINEBUFFER_CTRL 129
656#define BIO_F_MEM_READ 128
657#define BIO_F_MEM_WRITE 117
658#define BIO_F_SSL_NEW 118
659#define BIO_F_WSASTARTUP 119
660
661/* Reason codes. */
662#define BIO_R_ACCEPT_ERROR 100
663#define BIO_R_BAD_FOPEN_MODE 101
664#define BIO_R_BAD_HOSTNAME_LOOKUP 102
665#define BIO_R_BROKEN_PIPE 124
666#define BIO_R_CONNECT_ERROR 103
667#define BIO_R_EOF_ON_MEMORY_BIO 127
668#define BIO_R_ERROR_SETTING_NBIO 104
669#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
670#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106
671#define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
672#define BIO_R_INVALID_ARGUMENT 125
673#define BIO_R_INVALID_IP_ADDRESS 108
674#define BIO_R_IN_USE 123
675#define BIO_R_KEEPALIVE 109
676#define BIO_R_NBIO_CONNECT_ERROR 110
677#define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
678#define BIO_R_NO_HOSTNAME_SPECIFIED 112
679#define BIO_R_NO_PORT_DEFINED 113
680#define BIO_R_NO_PORT_SPECIFIED 114
681#define BIO_R_NO_SUCH_FILE 128
682#define BIO_R_NULL_PARAMETER 115
683#define BIO_R_TAG_MISMATCH 116
684#define BIO_R_UNABLE_TO_BIND_SOCKET 117
685#define BIO_R_UNABLE_TO_CREATE_SOCKET 118
686#define BIO_R_UNABLE_TO_LISTEN_SOCKET 119
687#define BIO_R_UNINITIALIZED 120
688#define BIO_R_UNSUPPORTED_METHOD 121
689#define BIO_R_WRITE_TO_READ_ONLY_BIO 126
690#define BIO_R_WSASTARTUP 122
691
692#ifdef __cplusplus
693}
694#endif
695#endif
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-20 23:41:23 +0000