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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 <stdio.h>
67#include <stdlib.h>
68#include <openssl/crypto.h>
69
70/* These are the 'types' of BIOs */
71#define BIO_TYPE_NONE 0
72#define BIO_TYPE_MEM (1|0x0400)
73#define BIO_TYPE_FILE (2|0x0400)
74
75#define BIO_TYPE_FD (4|0x0400|0x0100)
76#define BIO_TYPE_SOCKET (5|0x0400|0x0100)
77#define BIO_TYPE_NULL (6|0x0400)
78#define BIO_TYPE_SSL (7|0x0200)
79#define BIO_TYPE_MD (8|0x0200) /* pasive filter */
80#define BIO_TYPE_BUFFER (9|0x0200) /* filter */
81#define BIO_TYPE_CIPHER (10|0x0200) /* filter */
82#define BIO_TYPE_BASE64 (11|0x0200) /* filter */
83#define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */
84#define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */
85#define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */
86#define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */
87#define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */
88#define BIO_TYPE_NULL_FILTER (17|0x0200)
89#define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */
90#define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */
91
92#define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
93#define BIO_TYPE_FILTER 0x0200
94#define BIO_TYPE_SOURCE_SINK 0x0400
95
96/* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
97 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
98#define BIO_NOCLOSE 0x00
99#define BIO_CLOSE 0x01
100
101/* These are used in the following macros and are passed to
102 * BIO_ctrl() */
103#define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */
104#define BIO_CTRL_EOF 2 /* opt - are we at the eof */
105#define BIO_CTRL_INFO 3 /* opt - extra tit-bits */
106#define BIO_CTRL_SET 4 /* man - set the 'IO' type */
107#define BIO_CTRL_GET 5 /* man - get the 'IO' type */
108#define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */
109#define BIO_CTRL_POP 7 /* opt - internal, used to signify change */
110#define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */
111#define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */
112#define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */
113#define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */
114#define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */
115#define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */
116/* callback is int cb(BIO *bio,state,ret); */
117#define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */
118#define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */
119
120#define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */
121
122/* modifiers */
123#define BIO_FP_READ 0x02
124#define BIO_FP_WRITE 0x04
125#define BIO_FP_APPEND 0x08
126#define BIO_FP_TEXT 0x10
127
128#define BIO_FLAGS_READ 0x01
129#define BIO_FLAGS_WRITE 0x02
130#define BIO_FLAGS_IO_SPECIAL 0x04
131#define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
132#define BIO_FLAGS_SHOULD_RETRY 0x08
133
134/* Used in BIO_gethostbyname() */
135#define BIO_GHBN_CTRL_HITS 1
136#define BIO_GHBN_CTRL_MISSES 2
137#define BIO_GHBN_CTRL_CACHE_SIZE 3
138#define BIO_GHBN_CTRL_GET_ENTRY 4
139#define BIO_GHBN_CTRL_FLUSH 5
140
141/* Mostly used in the SSL BIO */
142/* Not used anymore
143 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
144 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
145 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40
146 */
147
148#define BIO_FLAGS_BASE64_NO_NL 0x100
149
150#define BIO_set_flags(b,f) ((b)->flags|=(f))
151#define BIO_get_flags(b) ((b)->flags)
152#define BIO_set_retry_special(b) \
153 ((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
154#define BIO_set_retry_read(b) \
155 ((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
156#define BIO_set_retry_write(b) \
157 ((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
158
159/* These are normally used internally in BIOs */
160#define BIO_clear_flags(b,f) ((b)->flags&= ~(f))
161#define BIO_clear_retry_flags(b) \
162 ((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
163#define BIO_get_retry_flags(b) \
164 ((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
165
166/* These shouldbe used by the application to tell why we should retry */
167#define BIO_should_read(a) ((a)->flags & BIO_FLAGS_READ)
168#define BIO_should_write(a) ((a)->flags & BIO_FLAGS_WRITE)
169#define BIO_should_io_special(a) ((a)->flags & BIO_FLAGS_IO_SPECIAL)
170#define BIO_retry_type(a) ((a)->flags & BIO_FLAGS_RWS)
171#define BIO_should_retry(a) ((a)->flags & BIO_FLAGS_SHOULD_RETRY)
172
173/* The next two are used in conjunction with the
174 * BIO_should_io_special() condition. After this returns true,
175 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
176 * stack and return the 'reason' for the special and the offending BIO.
177 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
178/* Returned from the SSL bio when the certificate retrieval code had an error */
179#define BIO_RR_SSL_X509_LOOKUP 0x01
180/* Returned from the connect BIO when a connect would have blocked */
181#define BIO_RR_CONNECT 0x02
182
183/* These are passed by the BIO callback */
184#define BIO_CB_FREE 0x01
185#define BIO_CB_READ 0x02
186#define BIO_CB_WRITE 0x03
187#define BIO_CB_PUTS 0x04
188#define BIO_CB_GETS 0x05
189#define BIO_CB_CTRL 0x06
190
191/* The callback is called before and after the underling operation,
192 * The BIO_CB_RETURN flag indicates if it is after the call */
193#define BIO_CB_RETURN 0x80
194#define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
195#define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
196#define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
197
198#define BIO_set_callback(b,cb) ((b)->callback=(cb))
199#define BIO_set_callback_arg(b,arg) ((b)->cb_arg=(char *)(arg))
200#define BIO_get_callback_arg(b) ((b)->cb_arg)
201#define BIO_get_callback(b) ((b)->callback)
202#define BIO_method_name(b) ((b)->method->name)
203#define BIO_method_type(b) ((b)->method->type)
204
205#ifndef WIN16
206typedef struct bio_method_st
207 {
208 int type;
209 const char *name;
210 int (*bwrite)();
211 int (*bread)();
212 int (*bputs)();
213 int (*bgets)();
214 long (*ctrl)();
215 int (*create)();
216 int (*destroy)();
217 } BIO_METHOD;
218#else
219typedef struct bio_method_st
220 {
221 int type;
222 const char *name;
223 int (_far *bwrite)();
224 int (_far *bread)();
225 int (_far *bputs)();
226 int (_far *bgets)();
227 long (_far *ctrl)();
228 int (_far *create)();
229 int (_far *destroy)();
230 } BIO_METHOD;
231#endif
232
233typedef struct bio_st
234 {
235 BIO_METHOD *method;
236 /* bio, mode, argp, argi, argl, ret */
237 long (*callback)(struct bio_st *,int,const char *,int, long,long);
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 void *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#define BIO_C_FILE_SEEK 128
313#define BIO_C_GET_CIPHER_CTX 129
314#define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/
315#define BIO_C_SET_BIND_MODE 131
316#define BIO_C_GET_BIND_MODE 132
317#define BIO_C_FILE_TELL 133
318#define BIO_C_GET_SOCKS 134
319#define BIO_C_SET_SOCKS 135
320
321#define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
322#define BIO_C_GET_WRITE_BUF_SIZE 137
323#define BIO_C_MAKE_BIO_PAIR 138
324#define BIO_C_DESTROY_BIO_PAIR 139
325#define BIO_C_GET_WRITE_GUARANTEE 140
326#define BIO_C_GET_READ_REQUEST 141
327#define BIO_C_SHUTDOWN_WR 142
328
329
330#define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,(char *)arg)
331#define BIO_get_app_data(s) BIO_get_ex_data(s,0)
332
333/* BIO_s_connect() and BIO_s_socks4a_connect() */
334#define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
335#define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
336#define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
337#define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
338#define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
339#define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
340#define BIO_get_conn_ip(b,ip) BIO_ptr_ctrl(b,BIO_C_SET_CONNECT,2)
341#define BIO_get_conn_int_port(b,port) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,port)
342
343
344#define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
345
346/* BIO_s_accept_socket() */
347#define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
348#define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
349/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
350#define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL)
351#define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
352
353#define BIO_BIND_NORMAL 0
354#define BIO_BIND_REUSEADDR_IF_UNUSED 1
355#define BIO_BIND_REUSEADDR 2
356#define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
357#define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
358
359#define BIO_do_connect(b) BIO_do_handshake(b)
360#define BIO_do_accept(b) BIO_do_handshake(b)
361#define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
362
363/* BIO_s_proxy_client() */
364#define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
365#define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
366/* BIO_set_nbio(b,n) */
367#define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
368/* BIO *BIO_get_filter_bio(BIO *bio); */
369#define BIO_set_proxy_cb(b,cb) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(char *)(cb))
370#define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
371#define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
372
373#define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
374#define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
375#define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
376#define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
377
378#define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
379#define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
380
381#define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
382#define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
383
384#define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
385#define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
386
387/* name is cast to lose const, but might be better to route through a function
388 so we can do it safely */
389#ifdef CONST_STRICT
390/* If you are wondering why this isn't defined, its because CONST_STRICT is
391 * purely a compile-time kludge to allow const to be checked.
392 */
393int BIO_read_filename(BIO *b,const char *name);
394#else
395#define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
396 BIO_CLOSE|BIO_FP_READ,(char *)name)
397#endif
398#define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
399 BIO_CLOSE|BIO_FP_WRITE,name)
400#define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
401 BIO_CLOSE|BIO_FP_APPEND,name)
402#define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
403 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
404
405/* WARNING WARNING, this ups the reference count on the read bio of the
406 * SSL structure. This is because the ssl read BIO is now pointed to by
407 * the next_bio field in the bio. So when you free the BIO, make sure
408 * you are doing a BIO_free_all() to catch the underlying BIO. */
409#define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
410#define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
411#define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
412#define BIO_set_ssl_renegotiate_bytes(b,num) \
413 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
414#define BIO_get_num_renegotiates(b) \
415 BIO_ctrl(b,BIO_C_SET_SSL_NUM_RENEGOTIATES,0,NULL);
416#define BIO_set_ssl_renegotiate_timeout(b,seconds) \
417 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
418
419/* defined in evp.h */
420/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
421
422#define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
423#define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
424#define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
425#define BIO_set_mem_eof_return(b,v) \
426 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
427
428/* For the BIO_f_buffer() type */
429#define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
430#define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
431#define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
432#define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
433#define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
434
435/* Don't use the next one unless you know what you are doing :-) */
436#define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
437
438#define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
439#define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
440#define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
441#define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
442#define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
443#define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
444/* ...pending macros have inappropriate return type */
445size_t BIO_ctrl_pending(BIO *b);
446size_t BIO_ctrl_wpending(BIO *b);
447#define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
448#define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0,(char *)cbp)
449#define BIO_set_info_callback(b,cb) (int)BIO_ctrl(b,BIO_CTRL_SET_CALLBACK,0,(char *)cb)
450
451/* For the BIO_f_buffer() type */
452#define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
453
454/* For BIO_s_bio() */
455#define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
456#define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
457#define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
458#define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
459/* macros with inappropriate type -- but ...pending macros use int too: */
460#define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
461#define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
462size_t BIO_ctrl_get_write_guarantee(BIO *b);
463size_t BIO_ctrl_get_read_request(BIO *b);
464
465
466
467#ifdef NO_STDIO
468#define NO_FP_API
469#endif
470
471
472/* These two aren't currently implemented */
473/* int BIO_get_ex_num(BIO *bio); */
474/* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
475int BIO_set_ex_data(BIO *bio,int idx,char *data);
476char *BIO_get_ex_data(BIO *bio,int idx);
477int BIO_get_ex_new_index(long argl, char *argp, int (*new_func)(),
478 int (*dup_func)(), void (*free_func)());
479
480# if defined(WIN16) && defined(_WINDLL)
481BIO_METHOD *BIO_s_file_internal(void);
482BIO *BIO_new_file_internal(char *filename, char *mode);
483BIO *BIO_new_fp_internal(FILE *stream, int close_flag);
484# define BIO_s_file BIO_s_file_internal
485# define BIO_new_file BIO_new_file_internal
486# define BIO_new_fp BIO_new_fp_internal
487# else /* FP_API */
488BIO_METHOD *BIO_s_file(void );
489BIO *BIO_new_file(const char *filename, const char *mode);
490BIO *BIO_new_fp(FILE *stream, int close_flag);
491# define BIO_s_file_internal BIO_s_file
492# define BIO_new_file_internal BIO_new_file
493# define BIO_new_fp_internal BIO_s_file
494# endif /* FP_API */
495BIO * BIO_new(BIO_METHOD *type);
496int BIO_set(BIO *a,BIO_METHOD *type);
497int BIO_free(BIO *a);
498int BIO_read(BIO *b, void *data, int len);
499int BIO_gets(BIO *bp,char *buf, int size);
500int BIO_write(BIO *b, const char *data, int len);
501int BIO_puts(BIO *bp,const char *buf);
502long BIO_ctrl(BIO *bp,int cmd,long larg,void *parg);
503char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg);
504long BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg);
505BIO * BIO_push(BIO *b,BIO *append);
506BIO * BIO_pop(BIO *b);
507void BIO_free_all(BIO *a);
508BIO * BIO_find_type(BIO *b,int bio_type);
509BIO * BIO_get_retry_BIO(BIO *bio, int *reason);
510int BIO_get_retry_reason(BIO *bio);
511BIO * BIO_dup_chain(BIO *in);
512
513#ifndef WIN16
514long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
515 long argl,long ret);
516#else
517long _far _loadds BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
518 long argl,long ret);
519#endif
520
521BIO_METHOD *BIO_s_mem(void);
522BIO_METHOD *BIO_s_socket(void);
523BIO_METHOD *BIO_s_connect(void);
524BIO_METHOD *BIO_s_accept(void);
525BIO_METHOD *BIO_s_fd(void);
526BIO_METHOD *BIO_s_log(void);
527BIO_METHOD *BIO_s_bio(void);
528BIO_METHOD *BIO_s_null(void);
529BIO_METHOD *BIO_f_null(void);
530BIO_METHOD *BIO_f_buffer(void);
531BIO_METHOD *BIO_f_nbio_test(void);
532/* BIO_METHOD *BIO_f_ber(void); */
533
534int BIO_sock_should_retry(int i);
535int BIO_sock_non_fatal_error(int error);
536int BIO_fd_should_retry(int i);
537int BIO_fd_non_fatal_error(int error);
538int BIO_dump(BIO *b,const char *bytes,int len);
539
540struct hostent *BIO_gethostbyname(const char *name);
541/* We might want a thread-safe interface too:
542 * struct hostent *BIO_gethostbyname_r(const char *name,
543 * struct hostent *result, void *buffer, size_t buflen);
544 * or something similar (caller allocates a struct hostent,
545 * pointed to by "result", and additional buffer space for the various
546 * substructures; if the buffer does not suffice, NULL is returned
547 * and an appropriate error code is set).
548 */
549int BIO_sock_error(int sock);
550int BIO_socket_ioctl(int fd, long type, unsigned long *arg);
551int BIO_socket_nbio(int fd,int mode);
552int BIO_get_port(const char *str, unsigned short *port_ptr);
553int BIO_get_host_ip(const char *str, unsigned char *ip);
554int BIO_get_accept_socket(char *host_port,int mode);
555int BIO_accept(int sock,char **ip_port);
556int BIO_sock_init(void );
557void BIO_sock_cleanup(void);
558int BIO_set_tcp_ndelay(int sock,int turn_on);
559
560void ERR_load_BIO_strings(void );
561
562BIO *BIO_new_socket(int sock, int close_flag);
563BIO *BIO_new_fd(int fd, int close_flag);
564BIO *BIO_new_connect(char *host_port);
565BIO *BIO_new_accept(char *host_port);
566
567int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
568 BIO **bio2, size_t writebuf2);
569/* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
570 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL.
571 * Size 0 uses default value.
572 */
573
574void BIO_copy_next_retry(BIO *b);
575
576long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);
577
578int BIO_printf(BIO *bio, ...);
579
580/* BEGIN ERROR CODES */
581/* The following lines are auto generated by the script mkerr.pl. Any changes
582 * made after this point may be overwritten when the script is next run.
583 */
584
585/* Error codes for the BIO functions. */
586
587/* Function codes. */
588#define BIO_F_ACPT_STATE 100
589#define BIO_F_BIO_ACCEPT 101
590#define BIO_F_BIO_BER_GET_HEADER 102
591#define BIO_F_BIO_CTRL 103
592#define BIO_F_BIO_GETHOSTBYNAME 120
593#define BIO_F_BIO_GETS 104
594#define BIO_F_BIO_GET_ACCEPT_SOCKET 105
595#define BIO_F_BIO_GET_HOST_IP 106
596#define BIO_F_BIO_GET_PORT 107
597#define BIO_F_BIO_MAKE_PAIR 121
598#define BIO_F_BIO_NEW 108
599#define BIO_F_BIO_NEW_FILE 109
600#define BIO_F_BIO_PUTS 110
601#define BIO_F_BIO_READ 111
602#define BIO_F_BIO_SOCK_INIT 112
603#define BIO_F_BIO_WRITE 113
604#define BIO_F_BUFFER_CTRL 114
605#define BIO_F_CONN_STATE 115
606#define BIO_F_FILE_CTRL 116
607#define BIO_F_MEM_WRITE 117
608#define BIO_F_SSL_NEW 118
609#define BIO_F_WSASTARTUP 119
610
611/* Reason codes. */
612#define BIO_R_ACCEPT_ERROR 100
613#define BIO_R_BAD_FOPEN_MODE 101
614#define BIO_R_BAD_HOSTNAME_LOOKUP 102
615#define BIO_R_BROKEN_PIPE 124
616#define BIO_R_CONNECT_ERROR 103
617#define BIO_R_ERROR_SETTING_NBIO 104
618#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
619#define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106
620#define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
621#define BIO_R_INVALID_ARGUMENT 125
622#define BIO_R_INVALID_IP_ADDRESS 108
623#define BIO_R_IN_USE 123
624#define BIO_R_KEEPALIVE 109
625#define BIO_R_NBIO_CONNECT_ERROR 110
626#define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
627#define BIO_R_NO_HOSTNAME_SPECIFIED 112
628#define BIO_R_NO_PORT_DEFINED 113
629#define BIO_R_NO_PORT_SPECIFIED 114
630#define BIO_R_NULL_PARAMETER 115
631#define BIO_R_TAG_MISMATCH 116
632#define BIO_R_UNABLE_TO_BIND_SOCKET 117
633#define BIO_R_UNABLE_TO_CREATE_SOCKET 118
634#define BIO_R_UNABLE_TO_LISTEN_SOCKET 119
635#define BIO_R_UNINITIALIZED 120
636#define BIO_R_UNSUPPORTED_METHOD 121
637#define BIO_R_WSASTARTUP 122
638
639#ifdef __cplusplus
640}
641#endif
642#endif
643
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2025-03-20 22:45:34 +0000