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1 /* crypto/bio/bio.h */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3  * All rights reserved.
4  *
5  * This package is an SSL implementation written
6  * by Eric Young (eay@cryptsoft.com).
7  * The implementation was written so as to conform with Netscapes SSL.
8  *
9  * This library is free for commercial and non-commercial use as long as
10  * the following conditions are aheared to.  The following conditions
11  * apply to all code found in this distribution, be it the RC4, RSA,
12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13  * included with this distribution is covered by the same copyright terms
14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15  *
16  * Copyright remains Eric Young's, and as such any Copyright notices in
17  * the code are not to be removed.
18  * If this package is used in a product, Eric Young should be given attribution
19  * as the author of the parts of the library used.
20  * This can be in the form of a textual message at program startup or
21  * in documentation (online or textual) provided with the package.
22  *
23  * Redistribution and use in source and binary forms, with or without
24  * modification, are permitted provided that the following conditions
25  * are met:
26  * 1. Redistributions of source code must retain the copyright
27  *    notice, this list of conditions and the following disclaimer.
28  * 2. Redistributions in binary form must reproduce the above copyright
29  *    notice, this list of conditions and the following disclaimer in the
30  *    documentation and/or other materials provided with the distribution.
31  * 3. All advertising materials mentioning features or use of this software
32  *    must display the following acknowledgement:
33  *    "This product includes cryptographic software written by
34  *     Eric Young (eay@cryptsoft.com)"
35  *    The word 'cryptographic' can be left out if the rouines from the library
36  *    being used are not cryptographic related :-).
37  * 4. If you include any Windows specific code (or a derivative thereof) from
38  *    the apps directory (application code) you must include an acknowledgement:
39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40  *
41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51  * SUCH DAMAGE.
52  *
53  * The licence and distribution terms for any publically available version or
54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
55  * copied and put under another distribution licence
56  * [including the GNU Public Licence.]
57  */
58 
59 #ifndef HEADER_BIO_H
60 #define HEADER_BIO_H
61 
62 #include <openssl/e_os2.h>
63 
64 #ifndef OPENSSL_NO_FP_API
65 # include <stdio.h>
66 #endif
67 #include <stdarg.h>
68 
69 #include <openssl/crypto.h>
70 
71 #ifndef OPENSSL_NO_SCTP
72 # ifndef OPENSSL_SYS_VMS
73 # include <stdint.h>
74 # else
75 # include <inttypes.h>
76 # endif
77 #endif
78 
79 #ifdef  __cplusplus
80 extern "C" {
81 #endif
82 
83 /* These are the 'types' of BIOs */
84 #define BIO_TYPE_NONE		0
85 #define BIO_TYPE_MEM		(1|0x0400)
86 #define BIO_TYPE_FILE		(2|0x0400)
87 
88 #define BIO_TYPE_FD		(4|0x0400|0x0100)
89 #define BIO_TYPE_SOCKET		(5|0x0400|0x0100)
90 #define BIO_TYPE_NULL		(6|0x0400)
91 #define BIO_TYPE_SSL		(7|0x0200)
92 #define BIO_TYPE_MD		(8|0x0200)		/* passive filter */
93 #define BIO_TYPE_BUFFER		(9|0x0200)		/* filter */
94 #define BIO_TYPE_CIPHER		(10|0x0200)		/* filter */
95 #define BIO_TYPE_BASE64		(11|0x0200)		/* filter */
96 #define BIO_TYPE_CONNECT	(12|0x0400|0x0100)	/* socket - connect */
97 #define BIO_TYPE_ACCEPT		(13|0x0400|0x0100)	/* socket for accept */
98 #define BIO_TYPE_PROXY_CLIENT	(14|0x0200)		/* client proxy BIO */
99 #define BIO_TYPE_PROXY_SERVER	(15|0x0200)		/* server proxy BIO */
100 #define BIO_TYPE_NBIO_TEST	(16|0x0200)		/* server proxy BIO */
101 #define BIO_TYPE_NULL_FILTER	(17|0x0200)
102 #define BIO_TYPE_BER		(18|0x0200)		/* BER -> bin filter */
103 #define BIO_TYPE_BIO		(19|0x0400)		/* (half a) BIO pair */
104 #define BIO_TYPE_LINEBUFFER	(20|0x0200)		/* filter */
105 #define BIO_TYPE_DGRAM		(21|0x0400|0x0100)
106 #ifndef OPENSSL_NO_SCTP
107 #define BIO_TYPE_DGRAM_SCTP	(24|0x0400|0x0100)
108 #endif
109 #define BIO_TYPE_ASN1 		(22|0x0200)		/* filter */
110 #define BIO_TYPE_COMP 		(23|0x0200)		/* filter */
111 
112 #define BIO_TYPE_DESCRIPTOR	0x0100	/* socket, fd, connect or accept */
113 #define BIO_TYPE_FILTER		0x0200
114 #define BIO_TYPE_SOURCE_SINK	0x0400
115 
116 /* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
117  * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
118 #define BIO_NOCLOSE		0x00
119 #define BIO_CLOSE		0x01
120 
121 /* These are used in the following macros and are passed to
122  * BIO_ctrl() */
123 #define BIO_CTRL_RESET		1  /* opt - rewind/zero etc */
124 #define BIO_CTRL_EOF		2  /* opt - are we at the eof */
125 #define BIO_CTRL_INFO		3  /* opt - extra tit-bits */
126 #define BIO_CTRL_SET		4  /* man - set the 'IO' type */
127 #define BIO_CTRL_GET		5  /* man - get the 'IO' type */
128 #define BIO_CTRL_PUSH		6  /* opt - internal, used to signify change */
129 #define BIO_CTRL_POP		7  /* opt - internal, used to signify change */
130 #define BIO_CTRL_GET_CLOSE	8  /* man - set the 'close' on free */
131 #define BIO_CTRL_SET_CLOSE	9  /* man - set the 'close' on free */
132 #define BIO_CTRL_PENDING	10  /* opt - is their more data buffered */
133 #define BIO_CTRL_FLUSH		11  /* opt - 'flush' buffered output */
134 #define BIO_CTRL_DUP		12  /* man - extra stuff for 'duped' BIO */
135 #define BIO_CTRL_WPENDING	13  /* opt - number of bytes still to write */
136 /* callback is int cb(BIO *bio,state,ret); */
137 #define BIO_CTRL_SET_CALLBACK	14  /* opt - set callback function */
138 #define BIO_CTRL_GET_CALLBACK	15  /* opt - set callback function */
139 
140 #define BIO_CTRL_SET_FILENAME	30	/* BIO_s_file special */
141 
142 /* dgram BIO stuff */
143 #define BIO_CTRL_DGRAM_CONNECT       31  /* BIO dgram special */
144 #define BIO_CTRL_DGRAM_SET_CONNECTED 32  /* allow for an externally
145 					  * connected socket to be
146 					  * passed in */
147 #define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33 /* setsockopt, essentially */
148 #define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34 /* getsockopt, essentially */
149 #define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35 /* setsockopt, essentially */
150 #define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36 /* getsockopt, essentially */
151 
152 #define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37 /* flag whether the last */
153 #define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38 /* I/O operation tiemd out */
154 
155 /* #ifdef IP_MTU_DISCOVER */
156 #define BIO_CTRL_DGRAM_MTU_DISCOVER       39 /* set DF bit on egress packets */
157 /* #endif */
158 
159 #define BIO_CTRL_DGRAM_QUERY_MTU          40 /* as kernel for current MTU */
160 #define BIO_CTRL_DGRAM_GET_FALLBACK_MTU   47
161 #define BIO_CTRL_DGRAM_GET_MTU            41 /* get cached value for MTU */
162 #define BIO_CTRL_DGRAM_SET_MTU            42 /* set cached value for
163 					      * MTU. want to use this
164 					      * if asking the kernel
165 					      * fails */
166 
167 #define BIO_CTRL_DGRAM_MTU_EXCEEDED       43 /* check whether the MTU
168 					      * was exceed in the
169 					      * previous write
170 					      * operation */
171 
172 #define BIO_CTRL_DGRAM_GET_PEER           46
173 #define BIO_CTRL_DGRAM_SET_PEER           44 /* Destination for the data */
174 
175 #define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT   45 /* Next DTLS handshake timeout to
176                                               * adjust socket timeouts */
177 
178 #ifndef OPENSSL_NO_SCTP
179 /* SCTP stuff */
180 #define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE	50
181 #define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY		51
182 #define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY		52
183 #define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD		53
184 #define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO		60
185 #define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO		61
186 #define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO		62
187 #define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO		63
188 #define BIO_CTRL_DGRAM_SCTP_GET_PRINFO			64
189 #define BIO_CTRL_DGRAM_SCTP_SET_PRINFO			65
190 #define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN		70
191 #endif
192 
193 /* modifiers */
194 #define BIO_FP_READ		0x02
195 #define BIO_FP_WRITE		0x04
196 #define BIO_FP_APPEND		0x08
197 #define BIO_FP_TEXT		0x10
198 
199 #define BIO_FLAGS_READ		0x01
200 #define BIO_FLAGS_WRITE		0x02
201 #define BIO_FLAGS_IO_SPECIAL	0x04
202 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
203 #define BIO_FLAGS_SHOULD_RETRY	0x08
204 #ifndef	BIO_FLAGS_UPLINK
205 /* "UPLINK" flag denotes file descriptors provided by application.
206    It defaults to 0, as most platforms don't require UPLINK interface. */
207 #define	BIO_FLAGS_UPLINK	0
208 #endif
209 
210 /* Used in BIO_gethostbyname() */
211 #define BIO_GHBN_CTRL_HITS		1
212 #define BIO_GHBN_CTRL_MISSES		2
213 #define BIO_GHBN_CTRL_CACHE_SIZE	3
214 #define BIO_GHBN_CTRL_GET_ENTRY		4
215 #define BIO_GHBN_CTRL_FLUSH		5
216 
217 /* Mostly used in the SSL BIO */
218 /* Not used anymore
219  * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
220  * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
221  * #define BIO_FLAGS_PROTOCOL_STARTUP	0x40
222  */
223 
224 #define BIO_FLAGS_BASE64_NO_NL	0x100
225 
226 /* This is used with memory BIOs: it means we shouldn't free up or change the
227  * data in any way.
228  */
229 #define BIO_FLAGS_MEM_RDONLY	0x200
230 
231 typedef struct bio_st BIO;
232 
233 void BIO_set_flags(BIO *b, int flags);
234 int  BIO_test_flags(const BIO *b, int flags);
235 void BIO_clear_flags(BIO *b, int flags);
236 
237 #define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
238 #define BIO_set_retry_special(b) \
239 		BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
240 #define BIO_set_retry_read(b) \
241 		BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
242 #define BIO_set_retry_write(b) \
243 		BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
244 
245 /* These are normally used internally in BIOs */
246 #define BIO_clear_retry_flags(b) \
247 		BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
248 #define BIO_get_retry_flags(b) \
249 		BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
250 
251 /* These should be used by the application to tell why we should retry */
252 #define BIO_should_read(a)		BIO_test_flags(a, BIO_FLAGS_READ)
253 #define BIO_should_write(a)		BIO_test_flags(a, BIO_FLAGS_WRITE)
254 #define BIO_should_io_special(a)	BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
255 #define BIO_retry_type(a)		BIO_test_flags(a, BIO_FLAGS_RWS)
256 #define BIO_should_retry(a)		BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
257 
258 /* The next three are used in conjunction with the
259  * BIO_should_io_special() condition.  After this returns true,
260  * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
261  * stack and return the 'reason' for the special and the offending BIO.
262  * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
263 /* Returned from the SSL bio when the certificate retrieval code had an error */
264 #define BIO_RR_SSL_X509_LOOKUP		0x01
265 /* Returned from the connect BIO when a connect would have blocked */
266 #define BIO_RR_CONNECT			0x02
267 /* Returned from the accept BIO when an accept would have blocked */
268 #define BIO_RR_ACCEPT			0x03
269 /* Returned from the SSL bio when the channel id retrieval code cannot find the
270  * private key. */
271 #define BIO_RR_SSL_CHANNEL_ID_LOOKUP	0x04
272 
273 /* These are passed by the BIO callback */
274 #define BIO_CB_FREE	0x01
275 #define BIO_CB_READ	0x02
276 #define BIO_CB_WRITE	0x03
277 #define BIO_CB_PUTS	0x04
278 #define BIO_CB_GETS	0x05
279 #define BIO_CB_CTRL	0x06
280 
281 /* The callback is called before and after the underling operation,
282  * The BIO_CB_RETURN flag indicates if it is after the call */
283 #define BIO_CB_RETURN	0x80
284 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
285 #define BIO_cb_pre(a)	(!((a)&BIO_CB_RETURN))
286 #define BIO_cb_post(a)	((a)&BIO_CB_RETURN)
287 
288 long (*BIO_get_callback(const BIO *b)) (struct bio_st *,int,const char *,int, long,long);
289 void BIO_set_callback(BIO *b,
290 	long (*callback)(struct bio_st *,int,const char *,int, long,long));
291 char *BIO_get_callback_arg(const BIO *b);
292 void BIO_set_callback_arg(BIO *b, char *arg);
293 
294 const char * BIO_method_name(const BIO *b);
295 int BIO_method_type(const BIO *b);
296 
297 typedef void bio_info_cb(struct bio_st *, int, const char *, int, long, long);
298 
299 typedef struct bio_method_st
300 	{
301 	int type;
302 	const char *name;
303 	int (*bwrite)(BIO *, const char *, int);
304 	int (*bread)(BIO *, char *, int);
305 	int (*bputs)(BIO *, const char *);
306 	int (*bgets)(BIO *, char *, int);
307 	long (*ctrl)(BIO *, int, long, void *);
308 	int (*create)(BIO *);
309 	int (*destroy)(BIO *);
310         long (*callback_ctrl)(BIO *, int, bio_info_cb *);
311 	} BIO_METHOD;
312 
313 struct bio_st
314 	{
315 	BIO_METHOD *method;
316 	/* bio, mode, argp, argi, argl, ret */
317 	long (*callback)(struct bio_st *,int,const char *,int, long,long);
318 	char *cb_arg; /* first argument for the callback */
319 
320 	int init;
321 	int shutdown;
322 	int flags;	/* extra storage */
323 	int retry_reason;
324 	int num;
325 	void *ptr;
326 	struct bio_st *next_bio;	/* used by filter BIOs */
327 	struct bio_st *prev_bio;	/* used by filter BIOs */
328 	int references;
329 	unsigned long num_read;
330 	unsigned long num_write;
331 
332 	CRYPTO_EX_DATA ex_data;
333 	};
334 
335 DECLARE_STACK_OF(BIO)
336 
337 typedef struct bio_f_buffer_ctx_struct
338 	{
339 	/* Buffers are setup like this:
340 	 *
341 	 * <---------------------- size ----------------------->
342 	 * +---------------------------------------------------+
343 	 * | consumed | remaining          | free space        |
344 	 * +---------------------------------------------------+
345 	 * <-- off --><------- len ------->
346 	 */
347 
348 	/* BIO *bio; */ /* this is now in the BIO struct */
349 	int ibuf_size;	/* how big is the input buffer */
350 	int obuf_size;	/* how big is the output buffer */
351 
352 	char *ibuf;		/* the char array */
353 	int ibuf_len;		/* how many bytes are in it */
354 	int ibuf_off;		/* write/read offset */
355 
356 	char *obuf;		/* the char array */
357 	int obuf_len;		/* how many bytes are in it */
358 	int obuf_off;		/* write/read offset */
359 	} BIO_F_BUFFER_CTX;
360 
361 /* Prefix and suffix callback in ASN1 BIO */
362 typedef int asn1_ps_func(BIO *b, unsigned char **pbuf, int *plen, void *parg);
363 
364 #ifndef OPENSSL_NO_SCTP
365 /* SCTP parameter structs */
366 struct bio_dgram_sctp_sndinfo
367 	{
368 	uint16_t snd_sid;
369 	uint16_t snd_flags;
370 	uint32_t snd_ppid;
371 	uint32_t snd_context;
372 	};
373 
374 struct bio_dgram_sctp_rcvinfo
375 	{
376 	uint16_t rcv_sid;
377 	uint16_t rcv_ssn;
378 	uint16_t rcv_flags;
379 	uint32_t rcv_ppid;
380 	uint32_t rcv_tsn;
381 	uint32_t rcv_cumtsn;
382 	uint32_t rcv_context;
383 	};
384 
385 struct bio_dgram_sctp_prinfo
386 	{
387 	uint16_t pr_policy;
388 	uint32_t pr_value;
389 	};
390 #endif
391 
392 /* connect BIO stuff */
393 #define BIO_CONN_S_BEFORE		1
394 #define BIO_CONN_S_GET_IP		2
395 #define BIO_CONN_S_GET_PORT		3
396 #define BIO_CONN_S_CREATE_SOCKET	4
397 #define BIO_CONN_S_CONNECT		5
398 #define BIO_CONN_S_OK			6
399 #define BIO_CONN_S_BLOCKED_CONNECT	7
400 #define BIO_CONN_S_NBIO			8
401 /*#define BIO_CONN_get_param_hostname	BIO_ctrl */
402 
403 #define BIO_C_SET_CONNECT			100
404 #define BIO_C_DO_STATE_MACHINE			101
405 #define BIO_C_SET_NBIO				102
406 #define BIO_C_SET_PROXY_PARAM			103
407 #define BIO_C_SET_FD				104
408 #define BIO_C_GET_FD				105
409 #define BIO_C_SET_FILE_PTR			106
410 #define BIO_C_GET_FILE_PTR			107
411 #define BIO_C_SET_FILENAME			108
412 #define BIO_C_SET_SSL				109
413 #define BIO_C_GET_SSL				110
414 #define BIO_C_SET_MD				111
415 #define BIO_C_GET_MD				112
416 #define BIO_C_GET_CIPHER_STATUS			113
417 #define BIO_C_SET_BUF_MEM			114
418 #define BIO_C_GET_BUF_MEM_PTR			115
419 #define BIO_C_GET_BUFF_NUM_LINES		116
420 #define BIO_C_SET_BUFF_SIZE			117
421 #define BIO_C_SET_ACCEPT			118
422 #define BIO_C_SSL_MODE				119
423 #define BIO_C_GET_MD_CTX			120
424 #define BIO_C_GET_PROXY_PARAM			121
425 #define BIO_C_SET_BUFF_READ_DATA		122 /* data to read first */
426 #define BIO_C_GET_CONNECT			123
427 #define BIO_C_GET_ACCEPT			124
428 #define BIO_C_SET_SSL_RENEGOTIATE_BYTES		125
429 #define BIO_C_GET_SSL_NUM_RENEGOTIATES		126
430 #define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT	127
431 #define BIO_C_FILE_SEEK				128
432 #define BIO_C_GET_CIPHER_CTX			129
433 #define BIO_C_SET_BUF_MEM_EOF_RETURN		130/*return end of input value*/
434 #define BIO_C_SET_BIND_MODE			131
435 #define BIO_C_GET_BIND_MODE			132
436 #define BIO_C_FILE_TELL				133
437 #define BIO_C_GET_SOCKS				134
438 #define BIO_C_SET_SOCKS				135
439 
440 #define BIO_C_SET_WRITE_BUF_SIZE		136/* for BIO_s_bio */
441 #define BIO_C_GET_WRITE_BUF_SIZE		137
442 #define BIO_C_MAKE_BIO_PAIR			138
443 #define BIO_C_DESTROY_BIO_PAIR			139
444 #define BIO_C_GET_WRITE_GUARANTEE		140
445 #define BIO_C_GET_READ_REQUEST			141
446 #define BIO_C_SHUTDOWN_WR			142
447 #define BIO_C_NREAD0				143
448 #define BIO_C_NREAD				144
449 #define BIO_C_NWRITE0				145
450 #define BIO_C_NWRITE				146
451 #define BIO_C_RESET_READ_REQUEST		147
452 #define BIO_C_SET_MD_CTX			148
453 
454 #define BIO_C_SET_PREFIX			149
455 #define BIO_C_GET_PREFIX			150
456 #define BIO_C_SET_SUFFIX			151
457 #define BIO_C_GET_SUFFIX			152
458 
459 #define BIO_C_SET_EX_ARG			153
460 #define BIO_C_GET_EX_ARG			154
461 
462 #define BIO_set_app_data(s,arg)		BIO_set_ex_data(s,0,arg)
463 #define BIO_get_app_data(s)		BIO_get_ex_data(s,0)
464 
465 /* BIO_s_connect() and BIO_s_socks4a_connect() */
466 #define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
467 #define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
468 #define BIO_set_conn_ip(b,ip)	  BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
469 #define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
470 #define BIO_get_conn_hostname(b)  BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
471 #define BIO_get_conn_port(b)      BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
472 #define BIO_get_conn_ip(b) 		 BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)
473 #define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3,0)
474 
475 
476 #define BIO_set_nbio(b,n)	BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
477 
478 /* BIO_s_accept_socket() */
479 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
480 #define BIO_get_accept_port(b)	BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
481 /* #define BIO_set_nbio(b,n)	BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
482 #define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?(void *)"a":NULL)
483 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
484 
485 #define BIO_BIND_NORMAL			0
486 #define BIO_BIND_REUSEADDR_IF_UNUSED	1
487 #define BIO_BIND_REUSEADDR		2
488 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
489 #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
490 
491 #define BIO_do_connect(b)	BIO_do_handshake(b)
492 #define BIO_do_accept(b)	BIO_do_handshake(b)
493 #define BIO_do_handshake(b)	BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
494 
495 /* BIO_s_proxy_client() */
496 #define BIO_set_url(b,url)	BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
497 #define BIO_set_proxies(b,p)	BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
498 /* BIO_set_nbio(b,n) */
499 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
500 /* BIO *BIO_get_filter_bio(BIO *bio); */
501 #define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)()))
502 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
503 #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
504 
505 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
506 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
507 #define BIO_get_url(b,url)	BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
508 #define BIO_get_no_connect_return(b)	BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
509 
510 #define BIO_set_fd(b,fd,c)	BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
511 #define BIO_get_fd(b,c)		BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
512 
513 #define BIO_set_fp(b,fp,c)	BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
514 #define BIO_get_fp(b,fpp)	BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
515 
516 #define BIO_seek(b,ofs)	(int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
517 #define BIO_tell(b)	(int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
518 
519 /* name is cast to lose const, but might be better to route through a function
520    so we can do it safely */
521 #ifdef CONST_STRICT
522 /* If you are wondering why this isn't defined, its because CONST_STRICT is
523  * purely a compile-time kludge to allow const to be checked.
524  */
525 int BIO_read_filename(BIO *b,const char *name);
526 #else
527 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
528 		BIO_CLOSE|BIO_FP_READ,(char *)name)
529 #endif
530 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
531 		BIO_CLOSE|BIO_FP_WRITE,name)
532 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
533 		BIO_CLOSE|BIO_FP_APPEND,name)
534 #define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
535 		BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
536 
537 /* WARNING WARNING, this ups the reference count on the read bio of the
538  * SSL structure.  This is because the ssl read BIO is now pointed to by
539  * the next_bio field in the bio.  So when you free the BIO, make sure
540  * you are doing a BIO_free_all() to catch the underlying BIO. */
541 #define BIO_set_ssl(b,ssl,c)	BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
542 #define BIO_get_ssl(b,sslp)	BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
543 #define BIO_set_ssl_mode(b,client)	BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
544 #define BIO_set_ssl_renegotiate_bytes(b,num) \
545 	BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
546 #define BIO_get_num_renegotiates(b) \
547 	BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL);
548 #define BIO_set_ssl_renegotiate_timeout(b,seconds) \
549 	BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
550 
551 /* defined in evp.h */
552 /* #define BIO_set_md(b,md)	BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
553 
554 #define BIO_get_mem_data(b,pp)	BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
555 #define BIO_set_mem_buf(b,bm,c)	BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
556 #define BIO_get_mem_ptr(b,pp)	BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
557 #define BIO_set_mem_eof_return(b,v) \
558 				BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
559 
560 /* For the BIO_f_buffer() type */
561 #define BIO_get_buffer_num_lines(b)	BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
562 #define BIO_set_buffer_size(b,size)	BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
563 #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
564 #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
565 #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
566 
567 /* Don't use the next one unless you know what you are doing :-) */
568 #define BIO_dup_state(b,ret)	BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
569 
570 #define BIO_reset(b)		(int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
571 #define BIO_eof(b)		(int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
572 #define BIO_set_close(b,c)	(int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
573 #define BIO_get_close(b)	(int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
574 #define BIO_pending(b)		(int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
575 #define BIO_wpending(b)		(int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
576 /* ...pending macros have inappropriate return type */
577 size_t BIO_ctrl_pending(BIO *b);
578 size_t BIO_ctrl_wpending(BIO *b);
579 #define BIO_flush(b)		(int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
580 #define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
581 						   cbp)
582 #define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
583 
584 /* For the BIO_f_buffer() type */
585 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
586 
587 /* For BIO_s_bio() */
588 #define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
589 #define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
590 #define BIO_make_bio_pair(b1,b2)   (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
591 #define BIO_destroy_bio_pair(b)    (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
592 #define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
593 /* macros with inappropriate type -- but ...pending macros use int too: */
594 #define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
595 #define BIO_get_read_request(b)    (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
596 size_t BIO_ctrl_get_write_guarantee(BIO *b);
597 size_t BIO_ctrl_get_read_request(BIO *b);
598 int BIO_ctrl_reset_read_request(BIO *b);
599 
600 /* ctrl macros for dgram */
601 #define BIO_ctrl_dgram_connect(b,peer)  \
602                      (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer)
603 #define BIO_ctrl_set_connected(b, state, peer) \
604          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (char *)peer)
605 #define BIO_dgram_recv_timedout(b) \
606          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
607 #define BIO_dgram_send_timedout(b) \
608          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
609 #define BIO_dgram_get_peer(b,peer) \
610          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer)
611 #define BIO_dgram_set_peer(b,peer) \
612          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)
613 
614 /* These two aren't currently implemented */
615 /* int BIO_get_ex_num(BIO *bio); */
616 /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
617 int BIO_set_ex_data(BIO *bio,int idx,void *data);
618 void *BIO_get_ex_data(BIO *bio,int idx);
619 int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
620 	CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
621 unsigned long BIO_number_read(BIO *bio);
622 unsigned long BIO_number_written(BIO *bio);
623 
624 /* For BIO_f_asn1() */
625 int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,
626 					asn1_ps_func *prefix_free);
627 int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,
628 					asn1_ps_func **pprefix_free);
629 int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,
630 					asn1_ps_func *suffix_free);
631 int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,
632 					asn1_ps_func **psuffix_free);
633 
634 # ifndef OPENSSL_NO_FP_API
635 BIO_METHOD *BIO_s_file(void );
636 BIO *BIO_new_file(const char *filename, const char *mode);
637 BIO *BIO_new_fp(FILE *stream, int close_flag);
638 # define BIO_s_file_internal	BIO_s_file
639 # endif
640 BIO *	BIO_new(BIO_METHOD *type);
641 int	BIO_set(BIO *a,BIO_METHOD *type);
642 int	BIO_free(BIO *a);
643 void	BIO_vfree(BIO *a);
644 int	BIO_read(BIO *b, void *data, int len);
645 int	BIO_gets(BIO *bp,char *buf, int size);
646 int	BIO_write(BIO *b, const void *data, int len);
647 int	BIO_puts(BIO *bp,const char *buf);
648 int	BIO_indent(BIO *b,int indent,int max);
649 long	BIO_ctrl(BIO *bp,int cmd,long larg,void *parg);
650 long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long));
651 char *	BIO_ptr_ctrl(BIO *bp,int cmd,long larg);
652 long	BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg);
653 BIO *	BIO_push(BIO *b,BIO *append);
654 BIO *	BIO_pop(BIO *b);
655 void	BIO_free_all(BIO *a);
656 BIO *	BIO_find_type(BIO *b,int bio_type);
657 BIO *	BIO_next(BIO *b);
658 BIO *	BIO_get_retry_BIO(BIO *bio, int *reason);
659 int	BIO_get_retry_reason(BIO *bio);
660 BIO *	BIO_dup_chain(BIO *in);
661 
662 int BIO_nread0(BIO *bio, char **buf);
663 int BIO_nread(BIO *bio, char **buf, int num);
664 int BIO_nwrite0(BIO *bio, char **buf);
665 int BIO_nwrite(BIO *bio, char **buf, int num);
666 
667 long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
668 	long argl,long ret);
669 
670 BIO_METHOD *BIO_s_mem(void);
671 BIO *BIO_new_mem_buf(void *buf, int len);
672 BIO_METHOD *BIO_s_socket(void);
673 BIO_METHOD *BIO_s_connect(void);
674 BIO_METHOD *BIO_s_accept(void);
675 BIO_METHOD *BIO_s_fd(void);
676 #ifndef OPENSSL_SYS_OS2
677 BIO_METHOD *BIO_s_log(void);
678 #endif
679 BIO_METHOD *BIO_s_bio(void);
680 BIO_METHOD *BIO_s_null(void);
681 BIO_METHOD *BIO_f_null(void);
682 BIO_METHOD *BIO_f_buffer(void);
683 #ifdef OPENSSL_SYS_VMS
684 BIO_METHOD *BIO_f_linebuffer(void);
685 #endif
686 BIO_METHOD *BIO_f_nbio_test(void);
687 #ifndef OPENSSL_NO_DGRAM
688 BIO_METHOD *BIO_s_datagram(void);
689 #ifndef OPENSSL_NO_SCTP
690 BIO_METHOD *BIO_s_datagram_sctp(void);
691 #endif
692 #endif
693 
694 /* BIO_METHOD *BIO_f_ber(void); */
695 
696 int BIO_sock_should_retry(int i);
697 int BIO_sock_non_fatal_error(int error);
698 int BIO_dgram_non_fatal_error(int error);
699 
700 int BIO_fd_should_retry(int i);
701 int BIO_fd_non_fatal_error(int error);
702 int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u),
703 		void *u, const char *s, int len);
704 int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
705 		       void *u, const char *s, int len, int indent);
706 int BIO_dump(BIO *b,const char *bytes,int len);
707 int BIO_dump_indent(BIO *b,const char *bytes,int len,int indent);
708 #ifndef OPENSSL_NO_FP_API
709 int BIO_dump_fp(FILE *fp, const char *s, int len);
710 int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent);
711 #endif
712 struct hostent *BIO_gethostbyname(const char *name);
713 /* We might want a thread-safe interface too:
714  * struct hostent *BIO_gethostbyname_r(const char *name,
715  *     struct hostent *result, void *buffer, size_t buflen);
716  * or something similar (caller allocates a struct hostent,
717  * pointed to by "result", and additional buffer space for the various
718  * substructures; if the buffer does not suffice, NULL is returned
719  * and an appropriate error code is set).
720  */
721 int BIO_sock_error(int sock);
722 int BIO_socket_ioctl(int fd, long type, void *arg);
723 int BIO_socket_nbio(int fd,int mode);
724 int BIO_get_port(const char *str, unsigned short *port_ptr);
725 int BIO_get_host_ip(const char *str, unsigned char *ip);
726 int BIO_get_accept_socket(char *host_port,int mode);
727 int BIO_accept(int sock,char **ip_port);
728 int BIO_sock_init(void );
729 void BIO_sock_cleanup(void);
730 int BIO_set_tcp_ndelay(int sock,int turn_on);
731 
732 BIO *BIO_new_socket(int sock, int close_flag);
733 BIO *BIO_new_dgram(int fd, int close_flag);
734 #ifndef OPENSSL_NO_SCTP
735 BIO *BIO_new_dgram_sctp(int fd, int close_flag);
736 int BIO_dgram_is_sctp(BIO *bio);
737 int BIO_dgram_sctp_notification_cb(BIO *b,
738                                    void (*handle_notifications)(BIO *bio, void *context, void *buf),
739                                    void *context);
740 int BIO_dgram_sctp_wait_for_dry(BIO *b);
741 int BIO_dgram_sctp_msg_waiting(BIO *b);
742 #endif
743 BIO *BIO_new_fd(int fd, int close_flag);
744 BIO *BIO_new_connect(char *host_port);
745 BIO *BIO_new_accept(char *host_port);
746 
747 int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
748 	BIO **bio2, size_t writebuf2);
749 /* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
750  * Otherwise returns 0 and sets *bio1 and *bio2 to NULL.
751  * Size 0 uses default value.
752  */
753 
754 void BIO_copy_next_retry(BIO *b);
755 
756 /*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/
757 
758 #ifdef __GNUC__
759 #  define __bio_h__attr__ __attribute__
760 #else
761 #  define __bio_h__attr__(x)
762 #endif
763 int BIO_printf(BIO *bio, const char *format, ...)
764 	__bio_h__attr__((__format__(__printf__,2,3)));
765 int BIO_vprintf(BIO *bio, const char *format, va_list args)
766 	__bio_h__attr__((__format__(__printf__,2,0)));
767 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
768 	__bio_h__attr__((__format__(__printf__,3,4)));
769 int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
770 	__bio_h__attr__((__format__(__printf__,3,0)));
771 #undef __bio_h__attr__
772 
773 /* BEGIN ERROR CODES */
774 /* The following lines are auto generated by the script mkerr.pl. Any changes
775  * made after this point may be overwritten when the script is next run.
776  */
777 void ERR_load_BIO_strings(void);
778 
779 /* Error codes for the BIO functions. */
780 
781 /* Function codes. */
782 #define BIO_F_ACPT_STATE				 100
783 #define BIO_F_BIO_ACCEPT				 101
784 #define BIO_F_BIO_BER_GET_HEADER			 102
785 #define BIO_F_BIO_CALLBACK_CTRL				 131
786 #define BIO_F_BIO_CTRL					 103
787 #define BIO_F_BIO_GETHOSTBYNAME				 120
788 #define BIO_F_BIO_GETS					 104
789 #define BIO_F_BIO_GET_ACCEPT_SOCKET			 105
790 #define BIO_F_BIO_GET_HOST_IP				 106
791 #define BIO_F_BIO_GET_PORT				 107
792 #define BIO_F_BIO_MAKE_PAIR				 121
793 #define BIO_F_BIO_NEW					 108
794 #define BIO_F_BIO_NEW_FILE				 109
795 #define BIO_F_BIO_NEW_MEM_BUF				 126
796 #define BIO_F_BIO_NREAD					 123
797 #define BIO_F_BIO_NREAD0				 124
798 #define BIO_F_BIO_NWRITE				 125
799 #define BIO_F_BIO_NWRITE0				 122
800 #define BIO_F_BIO_PUTS					 110
801 #define BIO_F_BIO_READ					 111
802 #define BIO_F_BIO_SOCK_INIT				 112
803 #define BIO_F_BIO_WRITE					 113
804 #define BIO_F_BUFFER_CTRL				 114
805 #define BIO_F_CONN_CTRL					 127
806 #define BIO_F_CONN_STATE				 115
807 #define BIO_F_DGRAM_SCTP_READ				 132
808 #define BIO_F_FILE_CTRL					 116
809 #define BIO_F_FILE_READ					 130
810 #define BIO_F_LINEBUFFER_CTRL				 129
811 #define BIO_F_MEM_READ					 128
812 #define BIO_F_MEM_WRITE					 117
813 #define BIO_F_SSL_NEW					 118
814 #define BIO_F_WSASTARTUP				 119
815 
816 /* Reason codes. */
817 #define BIO_R_ACCEPT_ERROR				 100
818 #define BIO_R_BAD_FOPEN_MODE				 101
819 #define BIO_R_BAD_HOSTNAME_LOOKUP			 102
820 #define BIO_R_BROKEN_PIPE				 124
821 #define BIO_R_CONNECT_ERROR				 103
822 #define BIO_R_EOF_ON_MEMORY_BIO				 127
823 #define BIO_R_ERROR_SETTING_NBIO			 104
824 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET	 105
825 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET	 106
826 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET		 107
827 #define BIO_R_INVALID_ARGUMENT				 125
828 #define BIO_R_INVALID_IP_ADDRESS			 108
829 #define BIO_R_IN_USE					 123
830 #define BIO_R_KEEPALIVE					 109
831 #define BIO_R_NBIO_CONNECT_ERROR			 110
832 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED			 111
833 #define BIO_R_NO_HOSTNAME_SPECIFIED			 112
834 #define BIO_R_NO_PORT_DEFINED				 113
835 #define BIO_R_NO_PORT_SPECIFIED				 114
836 #define BIO_R_NO_SUCH_FILE				 128
837 #define BIO_R_NULL_PARAMETER				 115
838 #define BIO_R_TAG_MISMATCH				 116
839 #define BIO_R_UNABLE_TO_BIND_SOCKET			 117
840 #define BIO_R_UNABLE_TO_CREATE_SOCKET			 118
841 #define BIO_R_UNABLE_TO_LISTEN_SOCKET			 119
842 #define BIO_R_UNINITIALIZED				 120
843 #define BIO_R_UNSUPPORTED_METHOD			 121
844 #define BIO_R_WRITE_TO_READ_ONLY_BIO			 126
845 #define BIO_R_WSASTARTUP				 122
846 
847 #ifdef  __cplusplus
848 }
849 #endif
850 #endif
851