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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#ifdef __cplusplus
63extern "C" {
64#endif
65
66#include "crypto.h"
67
68/* These are the 'types' of BIOs */
69#define BIO_TYPE_NONE 0
70#define BIO_TYPE_MEM (1|0x0400)
71#define BIO_TYPE_FILE (2|0x0400)
72
73#define BIO_TYPE_FD (4|0x0400|0x0100)
74#define BIO_TYPE_SOCKET (5|0x0400|0x0100)
75#define BIO_TYPE_NULL (6|0x0400)
76#define BIO_TYPE_SSL (7|0x0200)
77#define BIO_TYPE_MD (8|0x0200) /* pasive filter */
78#define BIO_TYPE_BUFFER (9|0x0200) /* filter */
79#define BIO_TYPE_CIPHER (10|0x0200) /* filter */
80#define BIO_TYPE_BASE64 (11|0x0200) /* filter */
81#define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */
82#define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */
83#define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */
84#define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */
85#define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */
86#define BIO_TYPE_NULL_FILTER (17|0x0200)
87
88#define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
89#define BIO_TYPE_FILTER 0x0200
90#define BIO_TYPE_SOURCE_SINK 0x0400
91
92/* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
93 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
94#define BIO_NOCLOSE 0x00
95#define BIO_CLOSE 0x01
96
97/* These are used in the following macros and are passed to
98 * BIO_ctrl() */
99#define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */
100#define BIO_CTRL_EOF 2 /* opt - are we at the eof */
101#define BIO_CTRL_INFO 3 /* opt - extra tit-bits */
102#define BIO_CTRL_SET 4 /* man - set the 'IO' type */
103#define BIO_CTRL_GET 5 /* man - get the 'IO' type */
104#define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */
105#define BIO_CTRL_POP 7 /* opt - internal, used to signify change */
106#define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */
107#define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */
108#define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */
109#define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */
110#define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */
111#define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */
112/* callback is int cb(BIO *bio,state,ret); */
113#define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */
114#define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */
115
116#define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */
117
118/* modifiers */
119#define BIO_FP_READ 0x02
120#define BIO_FP_WRITE 0x04
121#define BIO_FP_APPEND 0x08
122#define BIO_FP_TEXT 0x10
123
124#define BIO_FLAGS_READ 0x01
125#define BIO_FLAGS_WRITE 0x02
126#define BIO_FLAGS_IO_SPECIAL 0x04
127#define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
128#define BIO_FLAGS_SHOULD_RETRY 0x08
129
130/* Used in BIO_gethostbyname() */
131#define BIO_GHBN_CTRL_HITS 1
132#define BIO_GHBN_CTRL_MISSES 2
133#define BIO_GHBN_CTRL_CACHE_SIZE 3
134#define BIO_GHBN_CTRL_GET_ENTRY 4
135#define BIO_GHBN_CTRL_FLUSH 5
136
137/* Mostly used in the SSL BIO */
138/* Not used anymore
139 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
140 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
141 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40
142 */
143
144#define BIO_FLAGS_BASE64_NO_NL 0x100
145
146#define BIO_set_flags(b,f) ((b)->flags|=(f))
147#define BIO_get_flags(b) ((b)->flags)
148#define BIO_set_retry_special(b) \
149 ((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
150#define BIO_set_retry_read(b) \
151 ((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
152#define BIO_set_retry_write(b) \
153 ((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
154
155/* These are normally used internally in BIOs */
156#define BIO_clear_flags(b,f) ((b)->flags&= ~(f))
157#define BIO_clear_retry_flags(b) \
158 ((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
159#define BIO_get_retry_flags(b) \
160 ((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
161
162/* These shouldbe used by the application to tell why we should retry */
163#define BIO_should_read(a) ((a)->flags & BIO_FLAGS_READ)
164#define BIO_should_write(a) ((a)->flags & BIO_FLAGS_WRITE)
165#define BIO_should_io_special(a) ((a)->flags & BIO_FLAGS_IO_SPECIAL)
166#define BIO_retry_type(a) ((a)->flags & BIO_FLAGS_RWS)
167#define BIO_should_retry(a) ((a)->flags & BIO_FLAGS_SHOULD_RETRY)
168
169/* The next two are used in conjunction with the
170 * BIO_should_io_special() condition. After this returns true,
171 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
172 * stack and return the 'reason' for the special and the offending BIO.
173 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
174/* Returned from the SSL bio when the certificate retrieval code had an error */
175#define BIO_RR_SSL_X509_LOOKUP 0x01
176/* Returned from the connect BIO when a connect would have blocked */
177#define BIO_RR_CONNECT 0x02
178
179/* These are passed by the BIO callback */
180#define BIO_CB_FREE 0x01
181#define BIO_CB_READ 0x02
182#define BIO_CB_WRITE 0x03
183#define BIO_CB_PUTS 0x04
184#define BIO_CB_GETS 0x05
185#define BIO_CB_CTRL 0x06
186
187/* The callback is called before and after the underling operation,
188 * The BIO_CB_RETURN flag indicates if it is after the call */
189#define BIO_CB_RETURN 0x80
190#define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
191#define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
192#define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
193
194#define BIO_set_callback(b,cb) ((b)->callback=(cb))
195#define BIO_set_callback_arg(b,arg) ((b)->cb_arg=(char *)(arg))
196#define BIO_get_callback_arg(b) ((b)->cb_arg)
197#define BIO_get_callback(b) ((b)->callback)
198#define BIO_method_name(b) ((b)->method->name)
199#define BIO_method_type(b) ((b)->method->type)
200
201#ifndef WIN16
202typedef struct bio_method_st
203 {
204 int type;
205 char *name;
206 int (*bwrite)();
207 int (*bread)();
208 int (*bputs)();
209 int (*bgets)();
210 long (*ctrl)();
211 int (*create)();
212 int (*destroy)();
213 } BIO_METHOD;
214#else
215typedef struct bio_method_st
216 {
217 int type;
218 char *name;
219 int (_far *bwrite)();
220 int (_far *bread)();
221 int (_far *bputs)();
222 int (_far *bgets)();
223 long (_far *ctrl)();
224 int (_far *create)();
225 int (_far *destroy)();
226 } BIO_METHOD;
227#endif
228
229typedef struct bio_st
230 {
231 BIO_METHOD *method;
232#ifndef NOPROTO
233 /* bio, mode, argp, argi, argl, ret */
234 long (*callback)(struct bio_st *,int,char *,int, long,long);
235#else
236 long (*callback)();
237#endif
238 char *cb_arg; /* first argument for the callback */
239
240 int init;
241 int shutdown;
242 int flags; /* extra storage */
243 int retry_reason;
244 int num;
245 char *ptr;
246 struct bio_st *next_bio; /* used by filter BIOs */
247 struct bio_st *prev_bio; /* used by filter BIOs */
248 int references;
249 unsigned long num_read;
250 unsigned long num_write;
251
252 CRYPTO_EX_DATA ex_data;
253 } BIO;
254
255typedef struct bio_f_buffer_ctx_struct
256 {
257 /* BIO *bio; */ /* this is now in the BIO struct */
258 int ibuf_size; /* how big is the input buffer */
259 int obuf_size; /* how big is the output buffer */
260
261 char *ibuf; /* the char array */
262 int ibuf_len; /* how many bytes are in it */
263 int ibuf_off; /* write/read offset */
264
265 char *obuf; /* the char array */
266 int obuf_len; /* how many bytes are in it */
267 int obuf_off; /* write/read offset */
268 } BIO_F_BUFFER_CTX;
269
270/* connect BIO stuff */
271#define BIO_CONN_S_BEFORE 1
272#define BIO_CONN_S_GET_IP 2
273#define BIO_CONN_S_GET_PORT 3
274#define BIO_CONN_S_CREATE_SOCKET 4
275#define BIO_CONN_S_CONNECT 5
276#define BIO_CONN_S_OK 6
277#define BIO_CONN_S_BLOCKED_CONNECT 7
278#define BIO_CONN_S_NBIO 8
279#define BIO_CONN_get_param_hostname BIO_ctrl
280
281#define BIO_number_read(b) ((b)->num_read)
282#define BIO_number_written(b) ((b)->num_write)
283
284#define BIO_C_SET_CONNECT 100
285#define BIO_C_DO_STATE_MACHINE 101
286#define BIO_C_SET_NBIO 102
287#define BIO_C_SET_PROXY_PARAM 103
288#define BIO_C_SET_FD 104
289#define BIO_C_GET_FD 105
290#define BIO_C_SET_FILE_PTR 106
291#define BIO_C_GET_FILE_PTR 107
292#define BIO_C_SET_FILENAME 108
293#define BIO_C_SET_SSL 109
294#define BIO_C_GET_SSL 110
295#define BIO_C_SET_MD 111
296#define BIO_C_GET_MD 112
297#define BIO_C_GET_CIPHER_STATUS 113
298#define BIO_C_SET_BUF_MEM 114
299#define BIO_C_GET_BUF_MEM_PTR 115
300#define BIO_C_GET_BUFF_NUM_LINES 116
301#define BIO_C_SET_BUFF_SIZE 117
302#define BIO_C_SET_ACCEPT 118
303#define BIO_C_SSL_MODE 119
304#define BIO_C_GET_MD_CTX 120
305#define BIO_C_GET_PROXY_PARAM 121
306#define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */
307#define BIO_C_GET_CONNECT 123
308#define BIO_C_GET_ACCEPT 124
309#define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
310#define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
311#define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
312
313#define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,(char *)arg)
314#define BIO_get_app_data(s) BIO_get_ex_data(s,0)
315
316int BIO_get_ex_num(BIO *bio);
317int BIO_set_ex_data(BIO *bio,int idx,char *data);
318char *BIO_get_ex_data(BIO *bio,int idx);
319void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)());
320int BIO_get_ex_new_index(long argl, char *argp, int (*new_func)(),
321 int (*dup_func)(), void (*free_func)());
322
323/* BIO_s_connect_socket() */
324#define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
325#define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
326#define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
327#define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
328#define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
329#define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
330#define BIO_get_conn_ip(b,ip) BIO_ptr_ctrl(b,BIO_C_SET_CONNECT,2)
331#define BIO_get_conn_int port(b,port) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,port)
332
333#define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
334
335/* BIO_s_accept_socket() */
336#define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
337#define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
338/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
339#define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL)
340#define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
341
342#define BIO_do_connect(b) BIO_do_handshake(b)
343#define BIO_do_accept(b) BIO_do_handshake(b)
344#define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
345
346/* BIO_s_proxy_client() */
347#define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
348#define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
349/* BIO_set_nbio(b,n) */
350#define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
351/* BIO *BIO_get_filter_bio(BIO *bio); */
352#define BIO_set_proxy_cb(b,cb) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(char *)(cb))
353#define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
354#define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
355
356#define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
357#define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
358#define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
359#define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
360
361#define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
362#define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
363
364#define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
365#define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
366
367#define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
368 BIO_CLOSE|BIO_FP_READ,name)
369#define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
370 BIO_CLOSE|BIO_FP_WRITE,name)
371#define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
372 BIO_CLOSE|BIO_FP_APPEND,name)
373
374/* WARNING WARNING, this ups the reference count on the read bio of the
375 * SSL structure. This is because the ssl read BIO is now pointed to by
376 * the next_bio field in the bio. So when you free the BIO, make sure
377 * you are doing a BIO_free_all() to catch the underlying BIO. */
378#define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
379#define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
380#define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
381#define BIO_set_ssl_renegotiate_bytes(b,num) \
382 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
383#define BIO_get_num_renegotiates(b) \
384 BIO_ctrl(b,BIO_C_SET_SSL_NUM_RENEGOTIATES,0,NULL);
385#define BIO_set_ssl_renegotiate_timeout(b,seconds) \
386 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
387
388/* defined in evp.h */
389/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
390
391#define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
392#define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
393
394/* For the BIO_f_buffer() type */
395#define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
396#define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
397#define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
398#define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
399#define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
400
401/* Don't use the next one unless you know what you are doing :-) */
402#define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
403
404#define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
405#define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
406#define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
407#define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
408#define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
409#define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
410#define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
411#define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0,(char *)cbp)
412#define BIO_set_info_callback(b,cb) (int)BIO_ctrl(b,BIO_CTRL_SET_CALLBACK,0,(char *)cb)
413
414/* For the BIO_f_buffer() type */
415#define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
416
417#ifdef NO_STDIO
418#define NO_FP_API
419#endif
420
421#ifndef NOPROTO
422# if defined(WIN16) && defined(_WINDLL)
423BIO_METHOD *BIO_s_file_internal(void);
424BIO *BIO_new_file_internal(char *filename, char *mode);
425BIO *BIO_new_fp_internal(FILE *stream, int close_flag);
426# define BIO_s_file BIO_s_file_internal
427# define BIO_new_file BIO_new_file_internal
428# define BIO_new_fp BIO_new_fp_internal
429# else /* FP_API */
430BIO_METHOD *BIO_s_file(void );
431BIO *BIO_new_file(char *filename, char *mode);
432BIO *BIO_new_fp(FILE *stream, int close_flag);
433# define BIO_s_file_internal BIO_s_file
434# define BIO_new_file_internal BIO_new_file
435# define BIO_new_fp_internal BIO_s_file
436# endif /* FP_API */
437#else
438# if defined(WIN16) && defined(_WINDLL)
439BIO_METHOD *BIO_s_file_internal();
440BIO *BIO_new_file_internal();
441BIO *BIO_new_fp_internal();
442# define BIO_s_file BIO_s_file_internal
443# define BIO_new_file BIO_new_file_internal
444# define BIO_new_fp BIO_new_fp_internal
445# else /* FP_API */
446BIO_METHOD *BIO_s_file();
447BIO *BIO_new_file();
448BIO *BIO_new_fp();
449# define BIO_s_file_internal BIO_s_file
450# define BIO_new_file_internal BIO_new_file
451# define BIO_new_fp_internal BIO_s_file
452# endif /* FP_API */
453#endif
454
455#ifndef NOPROTO
456BIO * BIO_new(BIO_METHOD *type);
457int BIO_set(BIO *a,BIO_METHOD *type);
458int BIO_free(BIO *a);
459int BIO_read(BIO *b, char *data, int len);
460int BIO_gets(BIO *bp,char *buf, int size);
461int BIO_write(BIO *b, char *data, int len);
462int BIO_puts(BIO *bp,char *buf);
463long BIO_ctrl(BIO *bp,int cmd,long larg,char *parg);
464char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg);
465long BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg);
466BIO * BIO_push(BIO *b,BIO *append);
467BIO * BIO_pop(BIO *b);
468void BIO_free_all(BIO *a);
469BIO * BIO_find_type(BIO *b,int bio_type);
470BIO * BIO_get_retry_BIO(BIO *bio, int *reason);
471int BIO_get_retry_reason(BIO *bio);
472BIO * BIO_dup_chain(BIO *in);
473
474#ifndef WIN16
475long BIO_debug_callback(BIO *bio,int cmd,char *argp,int argi,
476 long argl,long ret);
477#else
478long _far _loadds BIO_debug_callback(BIO *bio,int cmd,char *argp,int argi,
479 long argl,long ret);
480#endif
481
482BIO_METHOD *BIO_s_mem(void);
483BIO_METHOD *BIO_s_socket(void);
484BIO_METHOD *BIO_s_connect(void);
485BIO_METHOD *BIO_s_accept(void);
486BIO_METHOD *BIO_s_fd(void);
487BIO_METHOD *BIO_s_null(void);
488BIO_METHOD *BIO_f_null(void);
489BIO_METHOD *BIO_f_nbio_test(void);
490BIO_METHOD *BIO_f_buffer(void);
491
492int BIO_sock_should_retry(int i);
493int BIO_sock_non_fatal_error(int error);
494int BIO_fd_should_retry(int i);
495int BIO_fd_non_fatal_error(int error);
496int BIO_dump(BIO *b,char *bytes,int len);
497
498struct hostent *BIO_gethostbyname(char *name);
499int BIO_sock_error(int sock);
500int BIO_socket_ioctl(int fd, long type, unsigned long *arg);
501int BIO_get_port(char *str, short *port_ptr);
502int BIO_get_host_ip(char *str, unsigned char *ip);
503int BIO_get_accept_socket(char *host_port);
504int BIO_accept(int sock,char **ip_port);
505int BIO_sock_init(void );
506void BIO_sock_cleanup(void);
507int BIO_set_tcp_ndelay(int sock,int turn_on);
508
509void ERR_load_BIO_strings(void );
510
511BIO *BIO_new_socket(int sock, int close_flag);
512BIO *BIO_new_fd(int fd, int close_flag);
513BIO *BIO_new_connect(char *host_port);
514BIO *BIO_new_accept(char *host_port);
515
516void BIO_copy_next_retry(BIO *b);
517
518long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);
519
520#else
521
522BIO * BIO_new();
523int BIO_set();
524int BIO_free();
525int BIO_read();
526int BIO_gets();
527int BIO_write();
528int BIO_puts();
529char * BIO_ptr_ctrl();
530long BIO_ctrl();
531long BIO_int_ctrl();
532BIO * BIO_push();
533BIO * BIO_pop();
534void BIO_free_all();
535BIO * BIO_find_type();
536BIO * BIO_get_retry_BIO();
537int BIO_get_retry_reason();
538BIO * BIO_dup_chain();
539
540#ifndef WIN16
541long BIO_debug_callback();
542#else
543long _far _loadds BIO_debug_callback();
544#endif
545
546BIO_METHOD *BIO_s_mem();
547BIO_METHOD *BIO_s_socket();
548BIO_METHOD *BIO_s_connect();
549BIO_METHOD *BIO_s_accept();
550BIO_METHOD *BIO_s_fd();
551BIO_METHOD *BIO_s_null();
552BIO_METHOD *BIO_f_null();
553BIO_METHOD *BIO_f_buffer();
554BIO_METHOD *BIO_f_nbio_test();
555
556int BIO_sock_should_retry();
557int BIO_sock_non_fatal_error();
558int BIO_fd_should_retry();
559int BIO_fd_non_fatal_error();
560int BIO_dump();
561
562struct hostent *BIO_gethostbyname();
563int BIO_sock_error();
564int BIO_socket_ioctl();
565int BIO_get_port();
566int BIO_get_host_ip();
567int BIO_get_accept_socket();
568int BIO_accept();
569int BIO_sock_init();
570void BIO_sock_cleanup();
571int BIO_set_tcp_ndelay();
572
573void ERR_load_BIO_strings();
574
575BIO *BIO_new_socket();
576BIO *BIO_new_fd();
577BIO *BIO_new_connect();
578BIO *BIO_new_accept();
579
580void BIO_copy_next_retry();
581
582int BIO_ghbn_ctrl();
583
584#endif
585
586/* Tim Hudson's portable varargs stuff */
587
588#ifndef NOPROTO
589#define VAR_ANSI /* select ANSI version by default */
590#endif
591
592#ifdef VAR_ANSI
593/* ANSI version of a "portable" macro set for variable length args */
594#ifndef __STDARG_H__ /**/
595#include <stdarg.h>
596#endif /**/
597
598#define VAR_PLIST(arg1type,arg1) arg1type arg1, ...
599#define VAR_PLIST2(arg1type,arg1,arg2type,arg2) arg1type arg1,arg2type arg2,...
600#define VAR_ALIST
601#define VAR_BDEFN(args,arg1type,arg1) va_list args
602#define VAR_BDEFN2(args,arg1type,arg1,arg2type,arg2) va_list args
603#define VAR_INIT(args,arg1type,arg1) va_start(args,arg1);
604#define VAR_INIT2(args,arg1type,arg1,arg2type,arg2) va_start(args,arg2);
605#define VAR_ARG(args,type,arg) arg=va_arg(args,type)
606#define VAR_END(args) va_end(args);
607
608#else
609
610/* K&R version of a "portable" macro set for variable length args */
611#ifndef __VARARGS_H__
612#include <varargs.h>
613#endif
614
615#define VAR_PLIST(arg1type,arg1) va_alist
616#define VAR_PLIST2(arg1type,arg1,arg2type,arg2) va_alist
617#define VAR_ALIST va_dcl
618#define VAR_BDEFN(args,arg1type,arg1) va_list args; arg1type arg1
619#define VAR_BDEFN2(args,arg1type,arg1,arg2type,arg2) va_list args; \
620 arg1type arg1; arg2type arg2
621#define VAR_INIT(args,arg1type,arg1) va_start(args); \
622 arg1=va_arg(args,arg1type);
623#define VAR_INIT2(args,arg1type,arg1,arg2type,arg2) va_start(args); \
624 arg1=va_arg(args,arg1type); arg2=va_arg(args,arg2type);
625#define VAR_ARG(args,type,arg) arg=va_arg(args,type)
626#define VAR_END(args) va_end(args);
627
628#endif
629
630#ifndef NOPROTO
631int BIO_printf( VAR_PLIST( BIO *, bio ) );
632#else
633int BIO_printf();
634#endif
635
636/* BEGIN ERROR CODES */
637/* Error codes for the BIO functions. */
638
639/* Function codes. */
640#define BIO_F_ACPT_STATE 100
641#define BIO_F_BIO_ACCEPT 101
642#define BIO_F_BIO_CTRL 102
643#define BIO_F_BIO_GETS 103
644#define BIO_F_BIO_GET_ACCEPT_SOCKET 104
645#define BIO_F_BIO_GET_HOST_IP 105
646#define BIO_F_BIO_GET_PORT 106
647#define BIO_F_BIO_NEW 107
648#define BIO_F_BIO_NEW_FILE 108
649#define BIO_F_BIO_PUTS 109
650#define BIO_F_BIO_READ 110
651#define BIO_F_BIO_SOCK_INIT 111
652#define BIO_F_BIO_WRITE 112
653#define BIO_F_BUFFER_CTRL 113
654#define BIO_F_CONN_STATE 114
655#define BIO_F_FILE_CTRL 115
656#define BIO_F_MEM_WRITE 116
657#define BIO_F_SSL_NEW 117
658#define BIO_F_WSASTARTUP 118
659
660/* Reason codes. */
661#define BIO_R_ACCEPT_ERROR 100
662#define BIO_R_BAD_FOPEN_MODE 101
663#define BIO_R_BAD_HOSTNAME_LOOKUP 102
664#define BIO_R_CONNECT_ERROR 103
665#define BIO_R_ERROR_SETTING_NBIO 104
666#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
667#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106
668#define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
669#define BIO_R_INVALID_IP_ADDRESS 108
670#define BIO_R_KEEPALIVE 109
671#define BIO_R_NBIO_CONNECT_ERROR 110
672#define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
673#define BIO_R_NO_HOSTHNAME_SPECIFIED 112
674#define BIO_R_NO_PORT_DEFINED 113
675#define BIO_R_NO_PORT_SPECIFIED 114
676#define BIO_R_NULL_PARAMETER 115
677#define BIO_R_UNABLE_TO_BIND_SOCKET 116
678#define BIO_R_UNABLE_TO_CREATE_SOCKET 117
679#define BIO_R_UNABLE_TO_LISTEN_SOCKET 118
680#define BIO_R_UNINITALISED 119
681#define BIO_R_UNSUPPORTED_METHOD 120
682#define BIO_R_WSASTARTUP 121
683
684#ifdef __cplusplus
685}
686#endif
687#endif
688
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