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git.ipfire.org Git - thirdparty/openssl.git/blob - crypto/bio/bio.h
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
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.
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).
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.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
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)"
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
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.]
67 #include <openssl/crypto.h>
69 /* These are the 'types' of BIOs */
70 #define BIO_TYPE_NONE 0
71 #define BIO_TYPE_MEM (1|0x0400)
72 #define BIO_TYPE_FILE (2|0x0400)
74 #define BIO_TYPE_FD (4|0x0400|0x0100)
75 #define BIO_TYPE_SOCKET (5|0x0400|0x0100)
76 #define BIO_TYPE_NULL (6|0x0400)
77 #define BIO_TYPE_SSL (7|0x0200)
78 #define BIO_TYPE_MD (8|0x0200) /* pasive filter */
79 #define BIO_TYPE_BUFFER (9|0x0200) /* filter */
80 #define BIO_TYPE_CIPHER (10|0x0200) /* filter */
81 #define BIO_TYPE_BASE64 (11|0x0200) /* filter */
82 #define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */
83 #define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */
84 #define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */
85 #define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */
86 #define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */
87 #define BIO_TYPE_NULL_FILTER (17|0x0200)
88 #define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */
89 #define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */
91 #define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
92 #define BIO_TYPE_FILTER 0x0200
93 #define BIO_TYPE_SOURCE_SINK 0x0400
95 /* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
96 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
97 #define BIO_NOCLOSE 0x00
98 #define BIO_CLOSE 0x01
100 /* These are used in the following macros and are passed to
102 #define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */
103 #define BIO_CTRL_EOF 2 /* opt - are we at the eof */
104 #define BIO_CTRL_INFO 3 /* opt - extra tit-bits */
105 #define BIO_CTRL_SET 4 /* man - set the 'IO' type */
106 #define BIO_CTRL_GET 5 /* man - get the 'IO' type */
107 #define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */
108 #define BIO_CTRL_POP 7 /* opt - internal, used to signify change */
109 #define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */
110 #define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */
111 #define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */
112 #define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */
113 #define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */
114 #define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */
115 /* callback is int cb(BIO *bio,state,ret); */
116 #define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */
117 #define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */
119 #define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */
122 #define BIO_FP_READ 0x02
123 #define BIO_FP_WRITE 0x04
124 #define BIO_FP_APPEND 0x08
125 #define BIO_FP_TEXT 0x10
127 #define BIO_FLAGS_READ 0x01
128 #define BIO_FLAGS_WRITE 0x02
129 #define BIO_FLAGS_IO_SPECIAL 0x04
130 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
131 #define BIO_FLAGS_SHOULD_RETRY 0x08
133 /* Used in BIO_gethostbyname() */
134 #define BIO_GHBN_CTRL_HITS 1
135 #define BIO_GHBN_CTRL_MISSES 2
136 #define BIO_GHBN_CTRL_CACHE_SIZE 3
137 #define BIO_GHBN_CTRL_GET_ENTRY 4
138 #define BIO_GHBN_CTRL_FLUSH 5
140 /* Mostly used in the SSL BIO */
142 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
143 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
144 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40
147 #define BIO_FLAGS_BASE64_NO_NL 0x100
149 #define BIO_set_flags(b,f) ((b)->flags|=(f))
150 #define BIO_get_flags(b) ((b)->flags)
151 #define BIO_set_retry_special(b) \
152 ((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
153 #define BIO_set_retry_read(b) \
154 ((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
155 #define BIO_set_retry_write(b) \
156 ((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
158 /* These are normally used internally in BIOs */
159 #define BIO_clear_flags(b,f) ((b)->flags&= ~(f))
160 #define BIO_clear_retry_flags(b) \
161 ((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
162 #define BIO_get_retry_flags(b) \
163 ((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
165 /* These shouldbe used by the application to tell why we should retry */
166 #define BIO_should_read(a) ((a)->flags & BIO_FLAGS_READ)
167 #define BIO_should_write(a) ((a)->flags & BIO_FLAGS_WRITE)
168 #define BIO_should_io_special(a) ((a)->flags & BIO_FLAGS_IO_SPECIAL)
169 #define BIO_retry_type(a) ((a)->flags & BIO_FLAGS_RWS)
170 #define BIO_should_retry(a) ((a)->flags & BIO_FLAGS_SHOULD_RETRY)
172 /* The next two are used in conjunction with the
173 * BIO_should_io_special() condition. After this returns true,
174 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
175 * stack and return the 'reason' for the special and the offending BIO.
176 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
177 /* Returned from the SSL bio when the certificate retrieval code had an error */
178 #define BIO_RR_SSL_X509_LOOKUP 0x01
179 /* Returned from the connect BIO when a connect would have blocked */
180 #define BIO_RR_CONNECT 0x02
182 /* These are passed by the BIO callback */
183 #define BIO_CB_FREE 0x01
184 #define BIO_CB_READ 0x02
185 #define BIO_CB_WRITE 0x03
186 #define BIO_CB_PUTS 0x04
187 #define BIO_CB_GETS 0x05
188 #define BIO_CB_CTRL 0x06
190 /* The callback is called before and after the underling operation,
191 * The BIO_CB_RETURN flag indicates if it is after the call */
192 #define BIO_CB_RETURN 0x80
193 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
194 #define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
195 #define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
197 #define BIO_set_callback(b,cb) ((b)->callback=(cb))
198 #define BIO_set_callback_arg(b,arg) ((b)->cb_arg=(char *)(arg))
199 #define BIO_get_callback_arg(b) ((b)->cb_arg)
200 #define BIO_get_callback(b) ((b)->callback)
201 #define BIO_method_name(b) ((b)->method->name)
202 #define BIO_method_type(b) ((b)->method->type)
205 typedef struct bio_method_st
218 typedef struct bio_method_st
222 int (_far
*bwrite
)();
227 int (_far
*create
)();
228 int (_far
*destroy
)();
232 typedef struct bio_st
235 /* bio, mode, argp, argi, argl, ret */
236 long (*callback
)(struct bio_st
*,int,const char *,int, long,long);
237 char *cb_arg
; /* first argument for the callback */
241 int flags
; /* extra storage */
245 struct bio_st
*next_bio
; /* used by filter BIOs */
246 struct bio_st
*prev_bio
; /* used by filter BIOs */
248 unsigned long num_read
;
249 unsigned long num_write
;
251 CRYPTO_EX_DATA ex_data
;
254 typedef struct bio_f_buffer_ctx_struct
256 /* BIO *bio; */ /* this is now in the BIO struct */
257 int ibuf_size
; /* how big is the input buffer */
258 int obuf_size
; /* how big is the output buffer */
260 char *ibuf
; /* the char array */
261 int ibuf_len
; /* how many bytes are in it */
262 int ibuf_off
; /* write/read offset */
264 char *obuf
; /* the char array */
265 int obuf_len
; /* how many bytes are in it */
266 int obuf_off
; /* write/read offset */
269 /* connect BIO stuff */
270 #define BIO_CONN_S_BEFORE 1
271 #define BIO_CONN_S_GET_IP 2
272 #define BIO_CONN_S_GET_PORT 3
273 #define BIO_CONN_S_CREATE_SOCKET 4
274 #define BIO_CONN_S_CONNECT 5
275 #define BIO_CONN_S_OK 6
276 #define BIO_CONN_S_BLOCKED_CONNECT 7
277 #define BIO_CONN_S_NBIO 8
278 /*#define BIO_CONN_get_param_hostname BIO_ctrl */
280 #define BIO_number_read(b) ((b)->num_read)
281 #define BIO_number_written(b) ((b)->num_write)
283 #define BIO_C_SET_CONNECT 100
284 #define BIO_C_DO_STATE_MACHINE 101
285 #define BIO_C_SET_NBIO 102
286 #define BIO_C_SET_PROXY_PARAM 103
287 #define BIO_C_SET_FD 104
288 #define BIO_C_GET_FD 105
289 #define BIO_C_SET_FILE_PTR 106
290 #define BIO_C_GET_FILE_PTR 107
291 #define BIO_C_SET_FILENAME 108
292 #define BIO_C_SET_SSL 109
293 #define BIO_C_GET_SSL 110
294 #define BIO_C_SET_MD 111
295 #define BIO_C_GET_MD 112
296 #define BIO_C_GET_CIPHER_STATUS 113
297 #define BIO_C_SET_BUF_MEM 114
298 #define BIO_C_GET_BUF_MEM_PTR 115
299 #define BIO_C_GET_BUFF_NUM_LINES 116
300 #define BIO_C_SET_BUFF_SIZE 117
301 #define BIO_C_SET_ACCEPT 118
302 #define BIO_C_SSL_MODE 119
303 #define BIO_C_GET_MD_CTX 120
304 #define BIO_C_GET_PROXY_PARAM 121
305 #define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */
306 #define BIO_C_GET_CONNECT 123
307 #define BIO_C_GET_ACCEPT 124
308 #define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
309 #define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
310 #define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
311 #define BIO_C_FILE_SEEK 128
312 #define BIO_C_GET_CIPHER_CTX 129
313 #define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/
314 #define BIO_C_SET_BIND_MODE 131
315 #define BIO_C_GET_BIND_MODE 132
316 #define BIO_C_FILE_TELL 133
317 #define BIO_C_GET_SOCKS 134
318 #define BIO_C_SET_SOCKS 135
320 #define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,(char *)arg)
321 #define BIO_get_app_data(s) BIO_get_ex_data(s,0)
323 /* BIO_s_connect() and BIO_s_socks4a_connect() */
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)
334 #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
336 /* BIO_s_accept_socket() */
337 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
338 #define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
339 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
340 #define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL)
341 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
343 #define BIO_BIND_NORMAL 0
344 #define BIO_BIND_REUSEADDR_IF_UNUSED 1
345 #define BIO_BIND_REUSEADDR 2
346 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
347 #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
349 #define BIO_do_connect(b) BIO_do_handshake(b)
350 #define BIO_do_accept(b) BIO_do_handshake(b)
351 #define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
353 /* BIO_s_proxy_client() */
354 #define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
355 #define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
356 /* BIO_set_nbio(b,n) */
357 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
358 /* BIO *BIO_get_filter_bio(BIO *bio); */
359 #define BIO_set_proxy_cb(b,cb) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(char *)(cb))
360 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
361 #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
363 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
364 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
365 #define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
366 #define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
368 #define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
369 #define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
371 #define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
372 #define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
374 #define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
375 #define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
377 /* name is cast to lose const, but might be better to route through a function
378 so we can do it safely */
380 /* If you are wondering why this isn't defined, its because CONST_STRICT is
381 * purely a compile-time kludge to allow const to be checked.
383 int BIO_read_filename(BIO
*b
,const char *name
);
385 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
386 BIO_CLOSE|BIO_FP_READ,(char *)name)
388 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
389 BIO_CLOSE|BIO_FP_WRITE,name)
390 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
391 BIO_CLOSE|BIO_FP_APPEND,name)
392 #define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
393 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
395 /* WARNING WARNING, this ups the reference count on the read bio of the
396 * SSL structure. This is because the ssl read BIO is now pointed to by
397 * the next_bio field in the bio. So when you free the BIO, make sure
398 * you are doing a BIO_free_all() to catch the underlying BIO. */
399 #define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
400 #define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
401 #define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
402 #define BIO_set_ssl_renegotiate_bytes(b,num) \
403 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
404 #define BIO_get_num_renegotiates(b) \
405 BIO_ctrl(b,BIO_C_SET_SSL_NUM_RENEGOTIATES,0,NULL);
406 #define BIO_set_ssl_renegotiate_timeout(b,seconds) \
407 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
409 /* defined in evp.h */
410 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
412 #define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
413 #define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
414 #define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
415 #define BIO_set_mem_eof_return(b,v) \
416 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
418 /* For the BIO_f_buffer() type */
419 #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
420 #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
421 #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
422 #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
423 #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
425 /* Don't use the next one unless you know what you are doing :-) */
426 #define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
428 #define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
429 #define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
430 #define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
431 #define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
432 #define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
433 #define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
434 #define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
435 #define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0,(char *)cbp)
436 #define BIO_set_info_callback(b,cb) (int)BIO_ctrl(b,BIO_CTRL_SET_CALLBACK,0,(char *)cb)
438 /* For the BIO_f_buffer() type */
439 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
446 /* These two aren't currently implemented */
447 /* int BIO_get_ex_num(BIO *bio); */
448 /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
449 int BIO_set_ex_data(BIO
*bio
,int idx
,char *data
);
450 char *BIO_get_ex_data(BIO
*bio
,int idx
);
451 int BIO_get_ex_new_index(long argl
, char *argp
, int (*new_func
)(),
452 int (*dup_func
)(), void (*free_func
)());
454 # if defined(WIN16) && defined(_WINDLL)
455 BIO_METHOD
*BIO_s_file_internal(void);
456 BIO
*BIO_new_file_internal(char *filename
, char *mode
);
457 BIO
*BIO_new_fp_internal(FILE *stream
, int close_flag
);
458 # define BIO_s_file BIO_s_file_internal
459 # define BIO_new_file BIO_new_file_internal
460 # define BIO_new_fp BIO_new_fp_internal
462 BIO_METHOD
*BIO_s_file(void );
463 BIO
*BIO_new_file(const char *filename
, const char *mode
);
464 BIO
*BIO_new_fp(FILE *stream
, int close_flag
);
465 # define BIO_s_file_internal BIO_s_file
466 # define BIO_new_file_internal BIO_new_file
467 # define BIO_new_fp_internal BIO_s_file
469 BIO
* BIO_new(BIO_METHOD
*type
);
470 int BIO_set(BIO
*a
,BIO_METHOD
*type
);
471 int BIO_free(BIO
*a
);
472 int BIO_read(BIO
*b
, void *data
, int len
);
473 int BIO_gets(BIO
*bp
,char *buf
, int size
);
474 int BIO_write(BIO
*b
, const char *data
, int len
);
475 int BIO_puts(BIO
*bp
,const char *buf
);
476 long BIO_ctrl(BIO
*bp
,int cmd
,long larg
,char *parg
);
477 char * BIO_ptr_ctrl(BIO
*bp
,int cmd
,long larg
);
478 long BIO_int_ctrl(BIO
*bp
,int cmd
,long larg
,int iarg
);
479 BIO
* BIO_push(BIO
*b
,BIO
*append
);
480 BIO
* BIO_pop(BIO
*b
);
481 void BIO_free_all(BIO
*a
);
482 BIO
* BIO_find_type(BIO
*b
,int bio_type
);
483 BIO
* BIO_get_retry_BIO(BIO
*bio
, int *reason
);
484 int BIO_get_retry_reason(BIO
*bio
);
485 BIO
* BIO_dup_chain(BIO
*in
);
488 long BIO_debug_callback(BIO
*bio
,int cmd
,const char *argp
,int argi
,
491 long _far _loadds
BIO_debug_callback(BIO
*bio
,int cmd
,const char *argp
,int argi
,
495 BIO_METHOD
*BIO_s_mem(void);
496 BIO_METHOD
*BIO_s_socket(void);
497 BIO_METHOD
*BIO_s_connect(void);
498 BIO_METHOD
*BIO_s_accept(void);
499 BIO_METHOD
*BIO_s_fd(void);
500 BIO_METHOD
*BIO_s_log(void);
501 BIO_METHOD
*BIO_s_bio(void);
502 BIO_METHOD
*BIO_s_null(void);
503 BIO_METHOD
*BIO_f_null(void);
504 BIO_METHOD
*BIO_f_buffer(void);
505 BIO_METHOD
*BIO_f_nbio_test(void);
506 /* BIO_METHOD *BIO_f_ber(void); */
508 int BIO_sock_should_retry(int i
);
509 int BIO_sock_non_fatal_error(int error
);
510 int BIO_fd_should_retry(int i
);
511 int BIO_fd_non_fatal_error(int error
);
512 int BIO_dump(BIO
*b
,const char *bytes
,int len
);
514 struct hostent
*BIO_gethostbyname(const char *name
);
515 /* We might want a thread-safe interface too:
516 * struct hostent *BIO_gethostbyname_r(const char *name,
517 * struct hostent *result, void *buffer, size_t buflen);
518 * or something similar (caller allocates a struct hostent,
519 * pointed to by "result", and additional buffer space for the various
520 * substructures; if the buffer does not suffice, NULL is returned
521 * and an appropriate error code is set).
523 int BIO_sock_error(int sock
);
524 int BIO_socket_ioctl(int fd
, long type
, unsigned long *arg
);
525 int BIO_socket_nbio(int fd
,int mode
);
526 int BIO_get_port(const char *str
, unsigned short *port_ptr
);
527 int BIO_get_host_ip(const char *str
, unsigned char *ip
);
528 int BIO_get_accept_socket(char *host_port
,int mode
);
529 int BIO_accept(int sock
,char **ip_port
);
530 int BIO_sock_init(void );
531 void BIO_sock_cleanup(void);
532 int BIO_set_tcp_ndelay(int sock
,int turn_on
);
534 void ERR_load_BIO_strings(void );
536 BIO
*BIO_new_socket(int sock
, int close_flag
);
537 BIO
*BIO_new_fd(int fd
, int close_flag
);
538 BIO
*BIO_new_connect(char *host_port
);
539 BIO
*BIO_new_accept(char *host_port
);
541 void BIO_copy_next_retry(BIO
*b
);
543 long BIO_ghbn_ctrl(int cmd
,int iarg
,char *parg
);
545 int BIO_printf(BIO
*bio
, ...);
547 /* BEGIN ERROR CODES */
548 /* The following lines are auto generated by the script mkerr.pl. Any changes
549 * made after this point may be overwritten when the script is next run.
552 /* Error codes for the BIO functions. */
554 /* Function codes. */
555 #define BIO_F_ACPT_STATE 100
556 #define BIO_F_BIO_ACCEPT 101
557 #define BIO_F_BIO_BER_GET_HEADER 102
558 #define BIO_F_BIO_CTRL 103
559 #define BIO_F_BIO_GETHOSTBYNAME 120
560 #define BIO_F_BIO_GETS 104
561 #define BIO_F_BIO_GET_ACCEPT_SOCKET 105
562 #define BIO_F_BIO_GET_HOST_IP 106
563 #define BIO_F_BIO_GET_PORT 107
564 #define BIO_F_BIO_MAKE_PAIR 121
565 #define BIO_F_BIO_NEW 108
566 #define BIO_F_BIO_NEW_FILE 109
567 #define BIO_F_BIO_PUTS 110
568 #define BIO_F_BIO_READ 111
569 #define BIO_F_BIO_SOCK_INIT 112
570 #define BIO_F_BIO_WRITE 113
571 #define BIO_F_BUFFER_CTRL 114
572 #define BIO_F_CONN_STATE 115
573 #define BIO_F_FILE_CTRL 116
574 #define BIO_F_MEM_WRITE 117
575 #define BIO_F_SSL_NEW 118
576 #define BIO_F_WSASTARTUP 119
579 #define BIO_R_ACCEPT_ERROR 100
580 #define BIO_R_BAD_FOPEN_MODE 101
581 #define BIO_R_BAD_HOSTNAME_LOOKUP 102
582 #define BIO_R_CONNECT_ERROR 103
583 #define BIO_R_ERROR_SETTING_NBIO 104
584 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
585 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106
586 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
587 #define BIO_R_INVALID_IP_ADDRESS 108
588 #define BIO_R_IN_USE 123
589 #define BIO_R_KEEPALIVE 109
590 #define BIO_R_NBIO_CONNECT_ERROR 110
591 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
592 #define BIO_R_NO_HOSTNAME_SPECIFIED 112
593 #define BIO_R_NO_PORT_DEFINED 113
594 #define BIO_R_NO_PORT_SPECIFIED 114
595 #define BIO_R_NULL_PARAMETER 115
596 #define BIO_R_TAG_MISMATCH 116
597 #define BIO_R_UNABLE_TO_BIND_SOCKET 117
598 #define BIO_R_UNABLE_TO_CREATE_SOCKET 118
599 #define BIO_R_UNABLE_TO_LISTEN_SOCKET 119
600 #define BIO_R_UNINITIALIZED 120
601 #define BIO_R_UNSUPPORTED_METHOD 121
602 #define BIO_R_WSASTARTUP 122