bio.h.in@ 100908

最後變更在這個檔案從100908是 99366,由 vboxsync 提交於 22 月前
openssl-3.1.0: Applied and adjusted our OpenSSL changes to 3.0.7. bugref:10418
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1	/*
2	* {- join("\n * ", @autowarntext) -}
3	*
4	* Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
5	*
6	* Licensed under the Apache License 2.0 (the "License"). You may not use
7	* this file except in compliance with the License. You can obtain a copy
8	* in the file LICENSE in the source distribution or at
9	* https://www.openssl.org/source/license.html
10	*/
11	{-
12	use OpenSSL::stackhash qw(generate_stack_macros);
13	-}
14
15	#ifndef OPENSSL_BIO_H
16	# define OPENSSL_BIO_H
17	# pragma once
18
19	# include <openssl/macros.h>
20	# ifndef OPENSSL_NO_DEPRECATED_3_0
21	# define HEADER_BIO_H
22	# endif
23
24	# include <openssl/e_os2.h>
25
26	# ifndef OPENSSL_NO_STDIO
27	# include <stdio.h>
28	# endif
29	# include <stdarg.h>
30
31	# include <openssl/crypto.h>
32	# include <openssl/bioerr.h>
33	# include <openssl/core.h>
34
35	#ifdef __cplusplus
36	extern "C" {
37	#endif
38
39	/* There are the classes of BIOs */
40	# define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
41	# define BIO_TYPE_FILTER 0x0200
42	# define BIO_TYPE_SOURCE_SINK 0x0400
43
44	/* These are the 'types' of BIOs */
45	# define BIO_TYPE_NONE 0
46	# define BIO_TYPE_MEM ( 1\|BIO_TYPE_SOURCE_SINK)
47	# define BIO_TYPE_FILE ( 2\|BIO_TYPE_SOURCE_SINK)
48
49	# define BIO_TYPE_FD ( 4\|BIO_TYPE_SOURCE_SINK\|BIO_TYPE_DESCRIPTOR)
50	# define BIO_TYPE_SOCKET ( 5\|BIO_TYPE_SOURCE_SINK\|BIO_TYPE_DESCRIPTOR)
51	# define BIO_TYPE_NULL ( 6\|BIO_TYPE_SOURCE_SINK)
52	# define BIO_TYPE_SSL ( 7\|BIO_TYPE_FILTER)
53	# define BIO_TYPE_MD ( 8\|BIO_TYPE_FILTER)
54	# define BIO_TYPE_BUFFER ( 9\|BIO_TYPE_FILTER)
55	# define BIO_TYPE_CIPHER (10\|BIO_TYPE_FILTER)
56	# define BIO_TYPE_BASE64 (11\|BIO_TYPE_FILTER)
57	# define BIO_TYPE_CONNECT (12\|BIO_TYPE_SOURCE_SINK\|BIO_TYPE_DESCRIPTOR)
58	# define BIO_TYPE_ACCEPT (13\|BIO_TYPE_SOURCE_SINK\|BIO_TYPE_DESCRIPTOR)
59
60	# define BIO_TYPE_NBIO_TEST (16\|BIO_TYPE_FILTER)/* server proxy BIO */
61	# define BIO_TYPE_NULL_FILTER (17\|BIO_TYPE_FILTER)
62	# define BIO_TYPE_BIO (19\|BIO_TYPE_SOURCE_SINK)/* half a BIO pair */
63	# define BIO_TYPE_LINEBUFFER (20\|BIO_TYPE_FILTER)
64	# define BIO_TYPE_DGRAM (21\|BIO_TYPE_SOURCE_SINK\|BIO_TYPE_DESCRIPTOR)
65	# define BIO_TYPE_ASN1 (22\|BIO_TYPE_FILTER)
66	# define BIO_TYPE_COMP (23\|BIO_TYPE_FILTER)
67	# ifndef OPENSSL_NO_SCTP
68	# define BIO_TYPE_DGRAM_SCTP (24\|BIO_TYPE_SOURCE_SINK\|BIO_TYPE_DESCRIPTOR)
69	# endif
70	# define BIO_TYPE_CORE_TO_PROV (25\|BIO_TYPE_SOURCE_SINK)
71
72	#define BIO_TYPE_START 128
73
74	/*
75	* BIO_FILENAME_READ\|BIO_CLOSE to open or close on free.
76	* BIO_set_fp(in,stdin,BIO_NOCLOSE);
77	*/
78	# define BIO_NOCLOSE 0x00
79	# define BIO_CLOSE 0x01
80
81	/*
82	* These are used in the following macros and are passed to BIO_ctrl()
83	*/
84	# define BIO_CTRL_RESET 1/* opt - rewind/zero etc */
85	# define BIO_CTRL_EOF 2/* opt - are we at the eof */
86	# define BIO_CTRL_INFO 3/* opt - extra tit-bits */
87	# define BIO_CTRL_SET 4/* man - set the 'IO' type */
88	# define BIO_CTRL_GET 5/* man - get the 'IO' type */
89	# define BIO_CTRL_PUSH 6/* opt - internal, used to signify change */
90	# define BIO_CTRL_POP 7/* opt - internal, used to signify change */
91	# define BIO_CTRL_GET_CLOSE 8/* man - set the 'close' on free */
92	# define BIO_CTRL_SET_CLOSE 9/* man - set the 'close' on free */
93	# define BIO_CTRL_PENDING 10/* opt - is their more data buffered */
94	# define BIO_CTRL_FLUSH 11/* opt - 'flush' buffered output */
95	# define BIO_CTRL_DUP 12/* man - extra stuff for 'duped' BIO */
96	# define BIO_CTRL_WPENDING 13/* opt - number of bytes still to write */
97	# define BIO_CTRL_SET_CALLBACK 14/* opt - set callback function */
98	# define BIO_CTRL_GET_CALLBACK 15/* opt - set callback function */
99
100	# define BIO_CTRL_PEEK 29/* BIO_f_buffer special */
101	# define BIO_CTRL_SET_FILENAME 30/* BIO_s_file special */
102
103	/* dgram BIO stuff */
104	# define BIO_CTRL_DGRAM_CONNECT 31/* BIO dgram special */
105	# define BIO_CTRL_DGRAM_SET_CONNECTED 32/* allow for an externally connected
106	* socket to be passed in */
107	# define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33/* setsockopt, essentially */
108	# define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34/* getsockopt, essentially */
109	# define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35/* setsockopt, essentially */
110	# define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36/* getsockopt, essentially */
111
112	# define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37/* flag whether the last */
113	# define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38/* I/O operation timed out */
114
115	/* #ifdef IP_MTU_DISCOVER */
116	# define BIO_CTRL_DGRAM_MTU_DISCOVER 39/* set DF bit on egress packets */
117	/* #endif */
118
119	# define BIO_CTRL_DGRAM_QUERY_MTU 40/* as kernel for current MTU */
120	# define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47
121	# define BIO_CTRL_DGRAM_GET_MTU 41/* get cached value for MTU */
122	# define BIO_CTRL_DGRAM_SET_MTU 42/* set cached value for MTU.
123	* want to use this if asking
124	* the kernel fails */
125
126	# define BIO_CTRL_DGRAM_MTU_EXCEEDED 43/* check whether the MTU was
127	* exceed in the previous write
128	* operation */
129
130	# define BIO_CTRL_DGRAM_GET_PEER 46
131	# define BIO_CTRL_DGRAM_SET_PEER 44/* Destination for the data */
132
133	# define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45/* Next DTLS handshake timeout
134	* to adjust socket timeouts */
135	# define BIO_CTRL_DGRAM_SET_DONT_FRAG 48
136
137	# define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD 49
138
139	/* Deliberately outside of OPENSSL_NO_SCTP - used in bss_dgram.c */
140	# define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE 50
141	# ifndef OPENSSL_NO_SCTP
142	/* SCTP stuff */
143	# define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY 51
144	# define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY 52
145	# define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD 53
146	# define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO 60
147	# define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO 61
148	# define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO 62
149	# define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO 63
150	# define BIO_CTRL_DGRAM_SCTP_GET_PRINFO 64
151	# define BIO_CTRL_DGRAM_SCTP_SET_PRINFO 65
152	# define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN 70
153	# endif
154
155	# define BIO_CTRL_DGRAM_SET_PEEK_MODE 71
156
157	/*
158	* internal BIO:
159	* # define BIO_CTRL_SET_KTLS_SEND 72
160	* # define BIO_CTRL_SET_KTLS_SEND_CTRL_MSG 74
161	* # define BIO_CTRL_CLEAR_KTLS_CTRL_MSG 75
162	*/
163
164	# define BIO_CTRL_GET_KTLS_SEND 73
165	# define BIO_CTRL_GET_KTLS_RECV 76
166
167	# define BIO_CTRL_DGRAM_SCTP_WAIT_FOR_DRY 77
168	# define BIO_CTRL_DGRAM_SCTP_MSG_WAITING 78
169
170	/* BIO_f_prefix controls */
171	# define BIO_CTRL_SET_PREFIX 79
172	# define BIO_CTRL_SET_INDENT 80
173	# define BIO_CTRL_GET_INDENT 81
174
175	# ifndef OPENSSL_NO_KTLS
176	# define BIO_get_ktls_send(b) \
177	(BIO_ctrl(b, BIO_CTRL_GET_KTLS_SEND, 0, NULL) > 0)
178	# define BIO_get_ktls_recv(b) \
179	(BIO_ctrl(b, BIO_CTRL_GET_KTLS_RECV, 0, NULL) > 0)
180	# else
181	# define BIO_get_ktls_send(b) (0)
182	# define BIO_get_ktls_recv(b) (0)
183	# endif
184
185	/* modifiers */
186	# define BIO_FP_READ 0x02
187	# define BIO_FP_WRITE 0x04
188	# define BIO_FP_APPEND 0x08
189	# define BIO_FP_TEXT 0x10
190
191	# define BIO_FLAGS_READ 0x01
192	# define BIO_FLAGS_WRITE 0x02
193	# define BIO_FLAGS_IO_SPECIAL 0x04
194	# define BIO_FLAGS_RWS (BIO_FLAGS_READ\|BIO_FLAGS_WRITE\|BIO_FLAGS_IO_SPECIAL)
195	# define BIO_FLAGS_SHOULD_RETRY 0x08
196	# ifndef OPENSSL_NO_DEPRECATED_3_0
197	/* This #define was replaced by an internal constant and should not be used. */
198	# define BIO_FLAGS_UPLINK 0
199	# endif
200
201	# define BIO_FLAGS_BASE64_NO_NL 0x100
202
203	/*
204	* This is used with memory BIOs:
205	* BIO_FLAGS_MEM_RDONLY means we shouldn't free up or change the data in any way;
206	* BIO_FLAGS_NONCLEAR_RST means we shouldn't clear data on reset.
207	*/
208	# define BIO_FLAGS_MEM_RDONLY 0x200
209	# define BIO_FLAGS_NONCLEAR_RST 0x400
210	# define BIO_FLAGS_IN_EOF 0x800
211
212	/* the BIO FLAGS values 0x1000 to 0x4000 are reserved for internal KTLS flags */
213
214	typedef union bio_addr_st BIO_ADDR;
215	typedef struct bio_addrinfo_st BIO_ADDRINFO;
216
217	int BIO_get_new_index(void);
218	void BIO_set_flags(BIO *b, int flags);
219	int BIO_test_flags(const BIO *b, int flags);
220	void BIO_clear_flags(BIO *b, int flags);
221
222	# define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
223	# define BIO_set_retry_special(b) \
224	BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL\|BIO_FLAGS_SHOULD_RETRY))
225	# define BIO_set_retry_read(b) \
226	BIO_set_flags(b, (BIO_FLAGS_READ\|BIO_FLAGS_SHOULD_RETRY))
227	# define BIO_set_retry_write(b) \
228	BIO_set_flags(b, (BIO_FLAGS_WRITE\|BIO_FLAGS_SHOULD_RETRY))
229
230	/* These are normally used internally in BIOs */
231	# define BIO_clear_retry_flags(b) \
232	BIO_clear_flags(b, (BIO_FLAGS_RWS\|BIO_FLAGS_SHOULD_RETRY))
233	# define BIO_get_retry_flags(b) \
234	BIO_test_flags(b, (BIO_FLAGS_RWS\|BIO_FLAGS_SHOULD_RETRY))
235
236	/* These should be used by the application to tell why we should retry */
237	# define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ)
238	# define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE)
239	# define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
240	# define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS)
241	# define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
242
243	/*
244	* The next three are used in conjunction with the BIO_should_io_special()
245	* condition. After this returns true, BIO BIO_get_retry_BIO(BIO bio, int
246	* *reason); will walk the BIO stack and return the 'reason' for the special
247	* and the offending BIO. Given a BIO, BIO_get_retry_reason(bio) will return
248	* the code.
249	*/
250	/*
251	* Returned from the SSL bio when the certificate retrieval code had an error
252	*/
253	# define BIO_RR_SSL_X509_LOOKUP 0x01
254	/* Returned from the connect BIO when a connect would have blocked */
255	# define BIO_RR_CONNECT 0x02
256	/* Returned from the accept BIO when an accept would have blocked */
257	# define BIO_RR_ACCEPT 0x03
258
259	/* These are passed by the BIO callback */
260	# define BIO_CB_FREE 0x01
261	# define BIO_CB_READ 0x02
262	# define BIO_CB_WRITE 0x03
263	# define BIO_CB_PUTS 0x04
264	# define BIO_CB_GETS 0x05
265	# define BIO_CB_CTRL 0x06
266
267	/*
268	* The callback is called before and after the underling operation, The
269	* BIO_CB_RETURN flag indicates if it is after the call
270	*/
271	# define BIO_CB_RETURN 0x80
272	# define BIO_CB_return(a) ((a)\|BIO_CB_RETURN)
273	# define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
274	# define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
275
276	# ifndef OPENSSL_NO_DEPRECATED_3_0
277	typedef long (BIO_callback_fn)(BIO b, int oper, const char *argp, int argi,
278	long argl, long ret);
279	OSSL_DEPRECATEDIN_3_0 BIO_callback_fn BIO_get_callback(const BIO *b);
280	OSSL_DEPRECATEDIN_3_0 void BIO_set_callback(BIO *b, BIO_callback_fn callback);
281	OSSL_DEPRECATEDIN_3_0 long BIO_debug_callback(BIO *bio, int cmd,
282	const char *argp, int argi,
283	long argl, long ret);
284	# endif
285
286	typedef long (BIO_callback_fn_ex)(BIO b, int oper, const char *argp,
287	size_t len, int argi,
288	long argl, int ret, size_t *processed);
289	BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b);
290	void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex callback);
291	long BIO_debug_callback_ex(BIO bio, int oper, const char argp, size_t len,
292	int argi, long argl, int ret, size_t *processed);
293
294	char BIO_get_callback_arg(const BIO b);
295	void BIO_set_callback_arg(BIO b, char arg);
296
297	typedef struct bio_method_st BIO_METHOD;
298
299	const char BIO_method_name(const BIO b);
300	int BIO_method_type(const BIO *b);
301
302	typedef int BIO_info_cb(BIO *, int, int);
303	typedef BIO_info_cb bio_info_cb; /* backward compatibility */
304
305	{-
306	generate_stack_macros("BIO");
307	-}
308
309
310	/* Prefix and suffix callback in ASN1 BIO */
311	typedef int asn1_ps_func (BIO b, unsigned char pbuf, int plen,
312	void *parg);
313
314	typedef void (BIO_dgram_sctp_notification_handler_fn) (BIO b,
315	void *context,
316	void *buf);
317	# ifndef OPENSSL_NO_SCTP
318	/* SCTP parameter structs */
319	struct bio_dgram_sctp_sndinfo {
320	uint16_t snd_sid;
321	uint16_t snd_flags;
322	uint32_t snd_ppid;
323	uint32_t snd_context;
324	};
325
326	struct bio_dgram_sctp_rcvinfo {
327	uint16_t rcv_sid;
328	uint16_t rcv_ssn;
329	uint16_t rcv_flags;
330	uint32_t rcv_ppid;
331	uint32_t rcv_tsn;
332	uint32_t rcv_cumtsn;
333	uint32_t rcv_context;
334	};
335
336	struct bio_dgram_sctp_prinfo {
337	uint16_t pr_policy;
338	uint32_t pr_value;
339	};
340	# endif
341
342	/*
343	* #define BIO_CONN_get_param_hostname BIO_ctrl
344	*/
345
346	# define BIO_C_SET_CONNECT 100
347	# define BIO_C_DO_STATE_MACHINE 101
348	# define BIO_C_SET_NBIO 102
349	/* # define BIO_C_SET_PROXY_PARAM 103 */
350	# define BIO_C_SET_FD 104
351	# define BIO_C_GET_FD 105
352	# define BIO_C_SET_FILE_PTR 106
353	# define BIO_C_GET_FILE_PTR 107
354	# define BIO_C_SET_FILENAME 108
355	# define BIO_C_SET_SSL 109
356	# define BIO_C_GET_SSL 110
357	# define BIO_C_SET_MD 111
358	# define BIO_C_GET_MD 112
359	# define BIO_C_GET_CIPHER_STATUS 113
360	# define BIO_C_SET_BUF_MEM 114
361	# define BIO_C_GET_BUF_MEM_PTR 115
362	# define BIO_C_GET_BUFF_NUM_LINES 116
363	# define BIO_C_SET_BUFF_SIZE 117
364	# define BIO_C_SET_ACCEPT 118
365	# define BIO_C_SSL_MODE 119
366	# define BIO_C_GET_MD_CTX 120
367	/* # define BIO_C_GET_PROXY_PARAM 121 */
368	# define BIO_C_SET_BUFF_READ_DATA 122/* data to read first */
369	# define BIO_C_GET_CONNECT 123
370	# define BIO_C_GET_ACCEPT 124
371	# define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
372	# define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
373	# define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
374	# define BIO_C_FILE_SEEK 128
375	# define BIO_C_GET_CIPHER_CTX 129
376	# define BIO_C_SET_BUF_MEM_EOF_RETURN 130/* return end of input
377	* value */
378	# define BIO_C_SET_BIND_MODE 131
379	# define BIO_C_GET_BIND_MODE 132
380	# define BIO_C_FILE_TELL 133
381	# define BIO_C_GET_SOCKS 134
382	# define BIO_C_SET_SOCKS 135
383
384	# define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
385	# define BIO_C_GET_WRITE_BUF_SIZE 137
386	# define BIO_C_MAKE_BIO_PAIR 138
387	# define BIO_C_DESTROY_BIO_PAIR 139
388	# define BIO_C_GET_WRITE_GUARANTEE 140
389	# define BIO_C_GET_READ_REQUEST 141
390	# define BIO_C_SHUTDOWN_WR 142
391	# define BIO_C_NREAD0 143
392	# define BIO_C_NREAD 144
393	# define BIO_C_NWRITE0 145
394	# define BIO_C_NWRITE 146
395	# define BIO_C_RESET_READ_REQUEST 147
396	# define BIO_C_SET_MD_CTX 148
397
398	# define BIO_C_SET_PREFIX 149
399	# define BIO_C_GET_PREFIX 150
400	# define BIO_C_SET_SUFFIX 151
401	# define BIO_C_GET_SUFFIX 152
402
403	# define BIO_C_SET_EX_ARG 153
404	# define BIO_C_GET_EX_ARG 154
405
406	# define BIO_C_SET_CONNECT_MODE 155
407
408	# define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg)
409	# define BIO_get_app_data(s) BIO_get_ex_data(s,0)
410
411	# define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
412
413	# ifndef OPENSSL_NO_SOCK
414	/* IP families we support, for BIO_s_connect() and BIO_s_accept() */
415	/* Note: the underlying operating system may not support some of them */
416	# define BIO_FAMILY_IPV4 4
417	# define BIO_FAMILY_IPV6 6
418	# define BIO_FAMILY_IPANY 256
419
420	/* BIO_s_connect() */
421	# define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0, \
422	(char *)(name))
423	# define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1, \
424	(char *)(port))
425	# define BIO_set_conn_address(b,addr) BIO_ctrl(b,BIO_C_SET_CONNECT,2, \
426	(char *)(addr))
427	# define BIO_set_conn_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,f)
428	# define BIO_get_conn_hostname(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0))
429	# define BIO_get_conn_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1))
430	# define BIO_get_conn_address(b) ((const BIO_ADDR *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2))
431	# define BIO_get_conn_ip_family(b) BIO_ctrl(b,BIO_C_GET_CONNECT,3,NULL)
432	# define BIO_set_conn_mode(b,n) BIO_ctrl(b,BIO_C_SET_CONNECT_MODE,(n),NULL)
433
434	/* BIO_s_accept() */
435	# define BIO_set_accept_name(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0, \
436	(char *)(name))
437	# define BIO_set_accept_port(b,port) BIO_ctrl(b,BIO_C_SET_ACCEPT,1, \
438	(char *)(port))
439	# define BIO_get_accept_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0))
440	# define BIO_get_accept_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,1))
441	# define BIO_get_peer_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,2))
442	# define BIO_get_peer_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,3))
443	/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
444	# define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(n)?(void *)"a":NULL)
445	# define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,3, \
446	(char *)(bio))
447	# define BIO_set_accept_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_ACCEPT,4,f)
448	# define BIO_get_accept_ip_family(b) BIO_ctrl(b,BIO_C_GET_ACCEPT,4,NULL)
449
450	/* Aliases kept for backward compatibility */
451	# define BIO_BIND_NORMAL 0
452	# define BIO_BIND_REUSEADDR BIO_SOCK_REUSEADDR
453	# define BIO_BIND_REUSEADDR_IF_UNUSED BIO_SOCK_REUSEADDR
454	# define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
455	# define BIO_get_bind_mode(b) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
456	# endif /* OPENSSL_NO_SOCK */
457
458	# define BIO_do_connect(b) BIO_do_handshake(b)
459	# define BIO_do_accept(b) BIO_do_handshake(b)
460
461	# define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
462
463	/* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */
464	# define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
465	# define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)(c))
466
467	/* BIO_s_file() */
468	# define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)(fp))
469	# define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)(fpp))
470
471	/* BIO_s_fd() and BIO_s_file() */
472	# define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
473	# define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
474
475	/*
476	* name is cast to lose const, but might be better to route through a
477	* function so we can do it safely
478	*/
479	# ifdef CONST_STRICT
480	/*
481	* If you are wondering why this isn't defined, its because CONST_STRICT is
482	* purely a compile-time kludge to allow const to be checked.
483	*/
484	int BIO_read_filename(BIO b, const char name);
485	# else
486	# define BIO_read_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
487	BIO_CLOSE\|BIO_FP_READ,(char *)(name))
488	# endif
489	# define BIO_write_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
490	BIO_CLOSE\|BIO_FP_WRITE,name)
491	# define BIO_append_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
492	BIO_CLOSE\|BIO_FP_APPEND,name)
493	# define BIO_rw_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
494	BIO_CLOSE\|BIO_FP_READ\|BIO_FP_WRITE,name)
495
496	/*
497	* WARNING WARNING, this ups the reference count on the read bio of the SSL
498	* structure. This is because the ssl read BIO is now pointed to by the
499	* next_bio field in the bio. So when you free the BIO, make sure you are
500	* doing a BIO_free_all() to catch the underlying BIO.
501	*/
502	# define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)(ssl))
503	# define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)(sslp))
504	# define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
505	# define BIO_set_ssl_renegotiate_bytes(b,num) \
506	BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL)
507	# define BIO_get_num_renegotiates(b) \
508	BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL)
509	# define BIO_set_ssl_renegotiate_timeout(b,seconds) \
510	BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL)
511
512	/* defined in evp.h */
513	/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char )(md)) /
514
515	# define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)(pp))
516	# define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)(bm))
517	# define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0, \
518	(char *)(pp))
519	# define BIO_set_mem_eof_return(b,v) \
520	BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
521
522	/* For the BIO_f_buffer() type */
523	# define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
524	# define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
525	# define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
526	# define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
527	# define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
528
529	/* Don't use the next one unless you know what you are doing :-) */
530	# define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
531
532	# define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
533	# define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
534	# define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
535	# define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
536	# define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
537	# define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
538	/* ...pending macros have inappropriate return type */
539	size_t BIO_ctrl_pending(BIO *b);
540	size_t BIO_ctrl_wpending(BIO *b);
541	# define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
542	# define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
543	cbp)
544	# define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
545
546	/* For the BIO_f_buffer() type */
547	# define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
548	# define BIO_buffer_peek(b,s,l) BIO_ctrl(b,BIO_CTRL_PEEK,(l),(s))
549
550	/* For BIO_s_bio() */
551	# define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
552	# define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
553	# define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
554	# define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
555	# define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
556	/* macros with inappropriate type -- but ...pending macros use int too: */
557	# define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
558	# define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
559	size_t BIO_ctrl_get_write_guarantee(BIO *b);
560	size_t BIO_ctrl_get_read_request(BIO *b);
561	int BIO_ctrl_reset_read_request(BIO *b);
562
563	/* ctrl macros for dgram */
564	# define BIO_ctrl_dgram_connect(b,peer) \
565	(int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)(peer))
566	# define BIO_ctrl_set_connected(b,peer) \
567	(int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, 0, (char *)(peer))
568	# define BIO_dgram_recv_timedout(b) \
569	(int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
570	# define BIO_dgram_send_timedout(b) \
571	(int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
572	# define BIO_dgram_get_peer(b,peer) \
573	(int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)(peer))
574	# define BIO_dgram_set_peer(b,peer) \
575	(int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)(peer))
576	# define BIO_dgram_get_mtu_overhead(b) \
577	(unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL)
578
579	/* ctrl macros for BIO_f_prefix */
580	# define BIO_set_prefix(b,p) BIO_ctrl((b), BIO_CTRL_SET_PREFIX, 0, (void *)(p))
581	# define BIO_set_indent(b,i) BIO_ctrl((b), BIO_CTRL_SET_INDENT, (i), NULL)
582	# define BIO_get_indent(b) BIO_ctrl((b), BIO_CTRL_GET_INDENT, 0, NULL)
583
584	#define BIO_get_ex_new_index(l, p, newf, dupf, freef) \
585	CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, l, p, newf, dupf, freef)
586	int BIO_set_ex_data(BIO bio, int idx, void data);
587	void BIO_get_ex_data(const BIO bio, int idx);
588	uint64_t BIO_number_read(BIO *bio);
589	uint64_t BIO_number_written(BIO *bio);
590
591	/* For BIO_f_asn1() */
592	int BIO_asn1_set_prefix(BIO b, asn1_ps_func prefix,
593	asn1_ps_func *prefix_free);
594	int BIO_asn1_get_prefix(BIO b, asn1_ps_func *pprefix,
595	asn1_ps_func **pprefix_free);
596	int BIO_asn1_set_suffix(BIO b, asn1_ps_func suffix,
597	asn1_ps_func *suffix_free);
598	int BIO_asn1_get_suffix(BIO b, asn1_ps_func *psuffix,
599	asn1_ps_func **psuffix_free);
600
601	const BIO_METHOD *BIO_s_file(void);
602	BIO BIO_new_file(const char filename, const char *mode);
603	BIO BIO_new_from_core_bio(OSSL_LIB_CTX libctx, OSSL_CORE_BIO *corebio);
604	# ifndef OPENSSL_NO_STDIO
605	BIO BIO_new_fp(FILE stream, int close_flag);
606	# endif
607	BIO BIO_new_ex(OSSL_LIB_CTX libctx, const BIO_METHOD *method);
608	BIO BIO_new(const BIO_METHOD type);
609	int BIO_free(BIO *a);
610	void BIO_set_data(BIO a, void ptr);
611	void BIO_get_data(BIO a);
612	void BIO_set_init(BIO *a, int init);
613	int BIO_get_init(BIO *a);
614	void BIO_set_shutdown(BIO *a, int shut);
615	int BIO_get_shutdown(BIO *a);
616	void BIO_vfree(BIO *a);
617	int BIO_up_ref(BIO *a);
618	int BIO_read(BIO b, void data, int dlen);
619	int BIO_read_ex(BIO b, void data, size_t dlen, size_t *readbytes);
620	int BIO_gets(BIO bp, char buf, int size);
621	int BIO_get_line(BIO bio, char buf, int size);
622	int BIO_write(BIO b, const void data, int dlen);
623	int BIO_write_ex(BIO b, const void data, size_t dlen, size_t *written);
624	int BIO_puts(BIO bp, const char buf);
625	int BIO_indent(BIO *b, int indent, int max);
626	long BIO_ctrl(BIO bp, int cmd, long larg, void parg);
627	long BIO_callback_ctrl(BIO b, int cmd, BIO_info_cb fp);
628	void BIO_ptr_ctrl(BIO bp, int cmd, long larg);
629	long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg);
630	BIO BIO_push(BIO b, BIO *append);
631	BIO BIO_pop(BIO b);
632	void BIO_free_all(BIO *a);
633	BIO BIO_find_type(BIO b, int bio_type);
634	BIO BIO_next(BIO b);
635	void BIO_set_next(BIO b, BIO next);
636	BIO BIO_get_retry_BIO(BIO bio, int *reason);
637	int BIO_get_retry_reason(BIO *bio);
638	void BIO_set_retry_reason(BIO *bio, int reason);
639	BIO BIO_dup_chain(BIO in);
640
641	int BIO_nread0(BIO bio, char *buf);
642	int BIO_nread(BIO bio, char *buf, int num);
643	int BIO_nwrite0(BIO bio, char *buf);
644	int BIO_nwrite(BIO bio, char *buf, int num);
645
646	const BIO_METHOD *BIO_s_mem(void);
647	const BIO_METHOD *BIO_s_secmem(void);
648	BIO BIO_new_mem_buf(const void buf, int len);
649	# ifndef OPENSSL_NO_SOCK
650	const BIO_METHOD *BIO_s_socket(void);
651	const BIO_METHOD *BIO_s_connect(void);
652	const BIO_METHOD *BIO_s_accept(void);
653	# endif
654	const BIO_METHOD *BIO_s_fd(void);
655	const BIO_METHOD *BIO_s_log(void);
656	const BIO_METHOD *BIO_s_bio(void);
657	const BIO_METHOD *BIO_s_null(void);
658	const BIO_METHOD *BIO_f_null(void);
659	const BIO_METHOD *BIO_f_buffer(void);
660	const BIO_METHOD *BIO_f_readbuffer(void);
661	const BIO_METHOD *BIO_f_linebuffer(void);
662	const BIO_METHOD *BIO_f_nbio_test(void);
663	const BIO_METHOD *BIO_f_prefix(void);
664	const BIO_METHOD *BIO_s_core(void);
665	# ifndef OPENSSL_NO_DGRAM
666	const BIO_METHOD *BIO_s_datagram(void);
667	int BIO_dgram_non_fatal_error(int error);
668	BIO *BIO_new_dgram(int fd, int close_flag);
669	# ifndef OPENSSL_NO_SCTP
670	const BIO_METHOD *BIO_s_datagram_sctp(void);
671	BIO *BIO_new_dgram_sctp(int fd, int close_flag);
672	int BIO_dgram_is_sctp(BIO *bio);
673	int BIO_dgram_sctp_notification_cb(BIO *b,
674	BIO_dgram_sctp_notification_handler_fn handle_notifications,
675	void *context);
676	int BIO_dgram_sctp_wait_for_dry(BIO *b);
677	int BIO_dgram_sctp_msg_waiting(BIO *b);
678	# endif
679	# endif
680
681	# ifndef OPENSSL_NO_SOCK
682	int BIO_sock_should_retry(int i);
683	int BIO_sock_non_fatal_error(int error);
684	int BIO_socket_wait(int fd, int for_read, time_t max_time);
685	# endif
686	int BIO_wait(BIO *bio, time_t max_time, unsigned int nap_milliseconds);
687	int BIO_do_connect_retry(BIO *bio, int timeout, int nap_milliseconds);
688
689	int BIO_fd_should_retry(int i);
690	int BIO_fd_non_fatal_error(int error);
691	int BIO_dump_cb(int (cb) (const void data, size_t len, void *u),
692	void u, const void s, int len);
693	int BIO_dump_indent_cb(int (cb) (const void data, size_t len, void *u),
694	void u, const void s, int len, int indent);
695	int BIO_dump(BIO b, const void bytes, int len);
696	int BIO_dump_indent(BIO b, const void bytes, int len, int indent);
697	# ifndef OPENSSL_NO_STDIO
698	int BIO_dump_fp(FILE fp, const void s, int len);
699	int BIO_dump_indent_fp(FILE fp, const void s, int len, int indent);
700	# endif
701	int BIO_hex_string(BIO out, int indent, int width, const void data,
702	int datalen);
703
704	# ifndef OPENSSL_NO_SOCK
705	BIO_ADDR *BIO_ADDR_new(void);
706	int BIO_ADDR_rawmake(BIO_ADDR *ap, int family,
707	const void *where, size_t wherelen, unsigned short port);
708	void BIO_ADDR_free(BIO_ADDR *);
709	void BIO_ADDR_clear(BIO_ADDR *ap);
710	int BIO_ADDR_family(const BIO_ADDR *ap);
711	int BIO_ADDR_rawaddress(const BIO_ADDR ap, void p, size_t *l);
712	unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap);
713	char BIO_ADDR_hostname_string(const BIO_ADDR ap, int numeric);
714	char BIO_ADDR_service_string(const BIO_ADDR ap, int numeric);
715	char BIO_ADDR_path_string(const BIO_ADDR ap);
716
717	const BIO_ADDRINFO BIO_ADDRINFO_next(const BIO_ADDRINFO bai);
718	int BIO_ADDRINFO_family(const BIO_ADDRINFO *bai);
719	int BIO_ADDRINFO_socktype(const BIO_ADDRINFO *bai);
720	int BIO_ADDRINFO_protocol(const BIO_ADDRINFO *bai);
721	const BIO_ADDR BIO_ADDRINFO_address(const BIO_ADDRINFO bai);
722	void BIO_ADDRINFO_free(BIO_ADDRINFO *bai);
723
724	enum BIO_hostserv_priorities {
725	BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV
726	};
727	int BIO_parse_hostserv(const char hostserv, char host, char *service,
728	enum BIO_hostserv_priorities hostserv_prio);
729	enum BIO_lookup_type {
730	BIO_LOOKUP_CLIENT, BIO_LOOKUP_SERVER
731	};
732	int BIO_lookup(const char host, const char service,
733	enum BIO_lookup_type lookup_type,
734	int family, int socktype, BIO_ADDRINFO **res);
735	int BIO_lookup_ex(const char host, const char service,
736	int lookup_type, int family, int socktype, int protocol,
737	BIO_ADDRINFO **res);
738	int BIO_sock_error(int sock);
739	int BIO_socket_ioctl(int fd, long type, void *arg);
740	int BIO_socket_nbio(int fd, int mode);
741	int BIO_sock_init(void);
742	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
743	# define BIO_sock_cleanup() while(0) continue
744	# endif
745	int BIO_set_tcp_ndelay(int sock, int turn_on);
746	# ifndef OPENSSL_NO_DEPRECATED_1_1_0
747	OSSL_DEPRECATEDIN_1_1_0 struct hostent BIO_gethostbyname(const char name);
748	OSSL_DEPRECATEDIN_1_1_0 int BIO_get_port(const char str, unsigned short port_ptr);
749	OSSL_DEPRECATEDIN_1_1_0 int BIO_get_host_ip(const char str, unsigned char ip);
750	OSSL_DEPRECATEDIN_1_1_0 int BIO_get_accept_socket(char *host_port, int mode);
751	OSSL_DEPRECATEDIN_1_1_0 int BIO_accept(int sock, char **ip_port);
752	# endif
753
754	union BIO_sock_info_u {
755	BIO_ADDR *addr;
756	};
757	enum BIO_sock_info_type {
758	BIO_SOCK_INFO_ADDRESS
759	};
760	int BIO_sock_info(int sock,
761	enum BIO_sock_info_type type, union BIO_sock_info_u *info);
762
763	# define BIO_SOCK_REUSEADDR 0x01
764	# define BIO_SOCK_V6_ONLY 0x02
765	# define BIO_SOCK_KEEPALIVE 0x04
766	# define BIO_SOCK_NONBLOCK 0x08
767	# define BIO_SOCK_NODELAY 0x10
768
769	int BIO_socket(int domain, int socktype, int protocol, int options);
770	int BIO_connect(int sock, const BIO_ADDR *addr, int options);
771	int BIO_bind(int sock, const BIO_ADDR *addr, int options);
772	int BIO_listen(int sock, const BIO_ADDR *addr, int options);
773	int BIO_accept_ex(int accept_sock, BIO_ADDR *addr, int options);
774	int BIO_closesocket(int sock);
775
776	BIO *BIO_new_socket(int sock, int close_flag);
777	BIO BIO_new_connect(const char host_port);
778	BIO BIO_new_accept(const char host_port);
779	# endif /* OPENSSL_NO_SOCK*/
780
781	BIO *BIO_new_fd(int fd, int close_flag);
782
783	int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
784	BIO **bio2, size_t writebuf2);
785	/*
786	* If successful, returns 1 and in bio1, bio2 two BIO pair endpoints.
787	* Otherwise returns 0 and sets bio1 and bio2 to NULL. Size 0 uses default
788	* value.
789	*/
790
791	void BIO_copy_next_retry(BIO *b);
792
793	/*
794	* long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);
795	*/
796
797	# define ossl_bio__attr__(x)
798	# if defined(__GNUC__) && defined(__STDC_VERSION__) \
799	&& !defined(__MINGW32__) && !defined(__MINGW64__) \
800	&& !defined(__APPLE__)
801	/*
802	* Because we support the 'z' modifier, which made its appearance in C99,
803	* we can't use __attribute__ with pre C99 dialects.
804	*/
805	# if __STDC_VERSION__ >= 199901L
806	# undef ossl_bio__attr__
807	# define ossl_bio__attr__ __attribute__
808	# if __GNUC__*10 + __GNUC_MINOR__ >= 44
809	# define ossl_bio__printf__ __gnu_printf__
810	# else
811	# define ossl_bio__printf__ __printf__
812	# endif
813	# endif
814	# endif
815	int BIO_printf(BIO bio, const char format, ...)
816	ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 3)));
817	int BIO_vprintf(BIO bio, const char format, va_list args)
818	ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 0)));
819	int BIO_snprintf(char buf, size_t n, const char format, ...)
820	ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 4)));
821	int BIO_vsnprintf(char buf, size_t n, const char format, va_list args)
822	ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 0)));
823	# undef ossl_bio__attr__
824	# undef ossl_bio__printf__
825
826
827	BIO_METHOD BIO_meth_new(int type, const char name);
828	void BIO_meth_free(BIO_METHOD *biom);
829	int (BIO_meth_get_write(const BIO_METHOD biom)) (BIO , const char , int);
830	int (BIO_meth_get_write_ex(const BIO_METHOD biom)) (BIO , const char , size_t,
831	size_t *);
832	int BIO_meth_set_write(BIO_METHOD *biom,
833	int (write) (BIO , const char *, int));
834	int BIO_meth_set_write_ex(BIO_METHOD *biom,
835	int (bwrite) (BIO , const char , size_t, size_t ));
836	int (BIO_meth_get_read(const BIO_METHOD biom)) (BIO , char , int);
837	int (BIO_meth_get_read_ex(const BIO_METHOD biom)) (BIO , char , size_t, size_t *);
838	int BIO_meth_set_read(BIO_METHOD *biom,
839	int (read) (BIO , char *, int));
840	int BIO_meth_set_read_ex(BIO_METHOD *biom,
841	int (bread) (BIO , char , size_t, size_t ));
842	int (BIO_meth_get_puts(const BIO_METHOD biom)) (BIO , const char );
843	int BIO_meth_set_puts(BIO_METHOD *biom,
844	int (puts) (BIO , const char *));
845	int (BIO_meth_get_gets(const BIO_METHOD biom)) (BIO , char , int);
846	int BIO_meth_set_gets(BIO_METHOD *biom,
847	int (gets) (BIO , char *, int));
848	long (BIO_meth_get_ctrl(const BIO_METHOD biom)) (BIO , int, long, void );
849	int BIO_meth_set_ctrl(BIO_METHOD *biom,
850	long (ctrl) (BIO , int, long, void *));
851	int (BIO_meth_get_create(const BIO_METHOD bion)) (BIO *);
852	int BIO_meth_set_create(BIO_METHOD biom, int (create) (BIO *));
853	int (BIO_meth_get_destroy(const BIO_METHOD biom)) (BIO *);
854	int BIO_meth_set_destroy(BIO_METHOD biom, int (destroy) (BIO *));
855	long (BIO_meth_get_callback_ctrl(const BIO_METHOD biom))
856	(BIO , int, BIO_info_cb );
857	int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
858	long (callback_ctrl) (BIO , int,
859	BIO_info_cb *));
860
861	# ifdef __cplusplus
862	}
863	# endif
864	#endif

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