2 * {- join("\n * ", @autowarntext) -}
4 * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved.
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
12 use OpenSSL::stackhash qw(generate_stack_macros);
16 # define OPENSSL_BIO_H
19 # include <openssl/macros.h>
20 # ifndef OPENSSL_NO_DEPRECATED_3_0
24 # include <openssl/e_os2.h>
26 # ifndef OPENSSL_NO_STDIO
31 # include <openssl/crypto.h>
32 # include <openssl/bioerr.h>
33 # include <openssl/core.h>
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
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)
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)
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)
70 # define BIO_TYPE_CORE_TO_PROV (25|BIO_TYPE_SOURCE_SINK)
72 #define BIO_TYPE_START 128
75 * BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
76 * BIO_set_fp(in,stdin,BIO_NOCLOSE);
78 # define BIO_NOCLOSE 0x00
79 # define BIO_CLOSE 0x01
82 * These are used in the following macros and are passed to BIO_ctrl()
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 */
100 # define BIO_CTRL_PEEK 29/* BIO_f_buffer special */
101 # define BIO_CTRL_SET_FILENAME 30/* BIO_s_file special */
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 */
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 */
115 /* #ifdef IP_MTU_DISCOVER */
116 # define BIO_CTRL_DGRAM_MTU_DISCOVER 39/* set DF bit on egress packets */
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 */
126 # define BIO_CTRL_DGRAM_MTU_EXCEEDED 43/* check whether the MTU was
127 * exceed in the previous write
130 # define BIO_CTRL_DGRAM_GET_PEER 46
131 # define BIO_CTRL_DGRAM_SET_PEER 44/* Destination for the data */
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
137 # define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD 49
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
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
155 # define BIO_CTRL_DGRAM_SET_PEEK_MODE 71
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
164 # define BIO_CTRL_GET_KTLS_SEND 73
165 # define BIO_CTRL_GET_KTLS_RECV 76
167 # define BIO_CTRL_DGRAM_SCTP_WAIT_FOR_DRY 77
168 # define BIO_CTRL_DGRAM_SCTP_MSG_WAITING 78
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
175 # define BIO_CTRL_DGRAM_GET_LOCAL_ADDR_CAP 82
176 # define BIO_CTRL_DGRAM_GET_LOCAL_ADDR_ENABLE 83
177 # define BIO_CTRL_DGRAM_SET_LOCAL_ADDR_ENABLE 84
179 # ifndef OPENSSL_NO_KTLS
180 # define BIO_get_ktls_send(b) \
181 (BIO_ctrl(b, BIO_CTRL_GET_KTLS_SEND, 0, NULL) > 0)
182 # define BIO_get_ktls_recv(b) \
183 (BIO_ctrl(b, BIO_CTRL_GET_KTLS_RECV, 0, NULL) > 0)
185 # define BIO_get_ktls_send(b) (0)
186 # define BIO_get_ktls_recv(b) (0)
190 # define BIO_FP_READ 0x02
191 # define BIO_FP_WRITE 0x04
192 # define BIO_FP_APPEND 0x08
193 # define BIO_FP_TEXT 0x10
195 # define BIO_FLAGS_READ 0x01
196 # define BIO_FLAGS_WRITE 0x02
197 # define BIO_FLAGS_IO_SPECIAL 0x04
198 # define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
199 # define BIO_FLAGS_SHOULD_RETRY 0x08
200 # ifndef OPENSSL_NO_DEPRECATED_3_0
201 /* This #define was replaced by an internal constant and should not be used. */
202 # define BIO_FLAGS_UPLINK 0
205 # define BIO_FLAGS_BASE64_NO_NL 0x100
208 * This is used with memory BIOs:
209 * BIO_FLAGS_MEM_RDONLY means we shouldn't free up or change the data in any way;
210 * BIO_FLAGS_NONCLEAR_RST means we shouldn't clear data on reset.
212 # define BIO_FLAGS_MEM_RDONLY 0x200
213 # define BIO_FLAGS_NONCLEAR_RST 0x400
214 # define BIO_FLAGS_IN_EOF 0x800
216 /* the BIO FLAGS values 0x1000 to 0x4000 are reserved for internal KTLS flags */
218 typedef union bio_addr_st BIO_ADDR;
219 typedef struct bio_addrinfo_st BIO_ADDRINFO;
221 int BIO_get_new_index(void);
222 void BIO_set_flags(BIO *b, int flags);
223 int BIO_test_flags(const BIO *b, int flags);
224 void BIO_clear_flags(BIO *b, int flags);
226 # define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
227 # define BIO_set_retry_special(b) \
228 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
229 # define BIO_set_retry_read(b) \
230 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
231 # define BIO_set_retry_write(b) \
232 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
234 /* These are normally used internally in BIOs */
235 # define BIO_clear_retry_flags(b) \
236 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
237 # define BIO_get_retry_flags(b) \
238 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
240 /* These should be used by the application to tell why we should retry */
241 # define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ)
242 # define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE)
243 # define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
244 # define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS)
245 # define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
248 * The next three are used in conjunction with the BIO_should_io_special()
249 * condition. After this returns true, BIO *BIO_get_retry_BIO(BIO *bio, int
250 * *reason); will walk the BIO stack and return the 'reason' for the special
251 * and the offending BIO. Given a BIO, BIO_get_retry_reason(bio) will return
255 * Returned from the SSL bio when the certificate retrieval code had an error
257 # define BIO_RR_SSL_X509_LOOKUP 0x01
258 /* Returned from the connect BIO when a connect would have blocked */
259 # define BIO_RR_CONNECT 0x02
260 /* Returned from the accept BIO when an accept would have blocked */
261 # define BIO_RR_ACCEPT 0x03
263 /* These are passed by the BIO callback */
264 # define BIO_CB_FREE 0x01
265 # define BIO_CB_READ 0x02
266 # define BIO_CB_WRITE 0x03
267 # define BIO_CB_PUTS 0x04
268 # define BIO_CB_GETS 0x05
269 # define BIO_CB_CTRL 0x06
270 # define BIO_CB_RECVMMSG 0x07
271 # define BIO_CB_SENDMMSG 0x08
274 * The callback is called before and after the underling operation, The
275 * BIO_CB_RETURN flag indicates if it is after the call
277 # define BIO_CB_RETURN 0x80
278 # define BIO_CB_return(a) ((a)|BIO_CB_RETURN)
279 # define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
280 # define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
282 # ifndef OPENSSL_NO_DEPRECATED_3_0
283 typedef long (*BIO_callback_fn)(BIO *b, int oper, const char *argp, int argi,
284 long argl, long ret);
285 OSSL_DEPRECATEDIN_3_0 BIO_callback_fn BIO_get_callback(const BIO *b);
286 OSSL_DEPRECATEDIN_3_0 void BIO_set_callback(BIO *b, BIO_callback_fn callback);
287 OSSL_DEPRECATEDIN_3_0 long BIO_debug_callback(BIO *bio, int cmd,
288 const char *argp, int argi,
289 long argl, long ret);
292 typedef long (*BIO_callback_fn_ex)(BIO *b, int oper, const char *argp,
293 size_t len, int argi,
294 long argl, int ret, size_t *processed);
295 BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b);
296 void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex callback);
297 long BIO_debug_callback_ex(BIO *bio, int oper, const char *argp, size_t len,
298 int argi, long argl, int ret, size_t *processed);
300 char *BIO_get_callback_arg(const BIO *b);
301 void BIO_set_callback_arg(BIO *b, char *arg);
303 typedef struct bio_method_st BIO_METHOD;
305 const char *BIO_method_name(const BIO *b);
306 int BIO_method_type(const BIO *b);
308 typedef int BIO_info_cb(BIO *, int, int);
309 typedef BIO_info_cb bio_info_cb; /* backward compatibility */
312 generate_stack_macros("BIO");
316 /* Prefix and suffix callback in ASN1 BIO */
317 typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen,
320 typedef void (*BIO_dgram_sctp_notification_handler_fn) (BIO *b,
323 # ifndef OPENSSL_NO_SCTP
324 /* SCTP parameter structs */
325 struct bio_dgram_sctp_sndinfo {
329 uint32_t snd_context;
332 struct bio_dgram_sctp_rcvinfo {
339 uint32_t rcv_context;
342 struct bio_dgram_sctp_prinfo {
348 /* BIO_sendmmsg/BIO_recvmmsg-related definitions */
349 typedef struct bio_msg_st {
352 BIO_ADDR *peer, *local;
356 typedef struct bio_mmsg_cb_args_st {
358 size_t stride, num_msg;
360 size_t *msgs_processed;
364 * #define BIO_CONN_get_param_hostname BIO_ctrl
367 # define BIO_C_SET_CONNECT 100
368 # define BIO_C_DO_STATE_MACHINE 101
369 # define BIO_C_SET_NBIO 102
370 /* # define BIO_C_SET_PROXY_PARAM 103 */
371 # define BIO_C_SET_FD 104
372 # define BIO_C_GET_FD 105
373 # define BIO_C_SET_FILE_PTR 106
374 # define BIO_C_GET_FILE_PTR 107
375 # define BIO_C_SET_FILENAME 108
376 # define BIO_C_SET_SSL 109
377 # define BIO_C_GET_SSL 110
378 # define BIO_C_SET_MD 111
379 # define BIO_C_GET_MD 112
380 # define BIO_C_GET_CIPHER_STATUS 113
381 # define BIO_C_SET_BUF_MEM 114
382 # define BIO_C_GET_BUF_MEM_PTR 115
383 # define BIO_C_GET_BUFF_NUM_LINES 116
384 # define BIO_C_SET_BUFF_SIZE 117
385 # define BIO_C_SET_ACCEPT 118
386 # define BIO_C_SSL_MODE 119
387 # define BIO_C_GET_MD_CTX 120
388 /* # define BIO_C_GET_PROXY_PARAM 121 */
389 # define BIO_C_SET_BUFF_READ_DATA 122/* data to read first */
390 # define BIO_C_GET_CONNECT 123
391 # define BIO_C_GET_ACCEPT 124
392 # define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
393 # define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
394 # define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
395 # define BIO_C_FILE_SEEK 128
396 # define BIO_C_GET_CIPHER_CTX 129
397 # define BIO_C_SET_BUF_MEM_EOF_RETURN 130/* return end of input
399 # define BIO_C_SET_BIND_MODE 131
400 # define BIO_C_GET_BIND_MODE 132
401 # define BIO_C_FILE_TELL 133
402 # define BIO_C_GET_SOCKS 134
403 # define BIO_C_SET_SOCKS 135
405 # define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
406 # define BIO_C_GET_WRITE_BUF_SIZE 137
407 # define BIO_C_MAKE_BIO_PAIR 138
408 # define BIO_C_DESTROY_BIO_PAIR 139
409 # define BIO_C_GET_WRITE_GUARANTEE 140
410 # define BIO_C_GET_READ_REQUEST 141
411 # define BIO_C_SHUTDOWN_WR 142
412 # define BIO_C_NREAD0 143
413 # define BIO_C_NREAD 144
414 # define BIO_C_NWRITE0 145
415 # define BIO_C_NWRITE 146
416 # define BIO_C_RESET_READ_REQUEST 147
417 # define BIO_C_SET_MD_CTX 148
419 # define BIO_C_SET_PREFIX 149
420 # define BIO_C_GET_PREFIX 150
421 # define BIO_C_SET_SUFFIX 151
422 # define BIO_C_GET_SUFFIX 152
424 # define BIO_C_SET_EX_ARG 153
425 # define BIO_C_GET_EX_ARG 154
427 # define BIO_C_SET_CONNECT_MODE 155
429 # define BIO_C_SET_TFO 156 /* like BIO_C_SET_NBIO */
431 # define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg)
432 # define BIO_get_app_data(s) BIO_get_ex_data(s,0)
434 # define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
435 # define BIO_set_tfo(b,n) BIO_ctrl(b,BIO_C_SET_TFO,(n),NULL)
437 # ifndef OPENSSL_NO_SOCK
438 /* IP families we support, for BIO_s_connect() and BIO_s_accept() */
439 /* Note: the underlying operating system may not support some of them */
440 # define BIO_FAMILY_IPV4 4
441 # define BIO_FAMILY_IPV6 6
442 # define BIO_FAMILY_IPANY 256
444 /* BIO_s_connect() */
445 # define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0, \
447 # define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1, \
449 # define BIO_set_conn_address(b,addr) BIO_ctrl(b,BIO_C_SET_CONNECT,2, \
451 # define BIO_set_conn_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,f)
452 # define BIO_get_conn_hostname(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0))
453 # define BIO_get_conn_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1))
454 # define BIO_get_conn_address(b) ((const BIO_ADDR *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2))
455 # define BIO_get_conn_ip_family(b) BIO_ctrl(b,BIO_C_GET_CONNECT,3,NULL)
456 # define BIO_get_conn_mode(b) BIO_ctrl(b,BIO_C_GET_CONNECT,4,NULL)
457 # define BIO_set_conn_mode(b,n) BIO_ctrl(b,BIO_C_SET_CONNECT_MODE,(n),NULL)
460 # define BIO_set_accept_name(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0, \
462 # define BIO_set_accept_port(b,port) BIO_ctrl(b,BIO_C_SET_ACCEPT,1, \
464 # define BIO_get_accept_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0))
465 # define BIO_get_accept_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,1))
466 # define BIO_get_peer_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,2))
467 # define BIO_get_peer_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,3))
468 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
469 # define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(n)?(void *)"a":NULL)
470 # define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,3, \
472 # define BIO_set_accept_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_ACCEPT,4,f)
473 # define BIO_get_accept_ip_family(b) BIO_ctrl(b,BIO_C_GET_ACCEPT,4,NULL)
474 # define BIO_set_tfo_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,5,(n)?(void *)"a":NULL)
476 /* Aliases kept for backward compatibility */
477 # define BIO_BIND_NORMAL 0
478 # define BIO_BIND_REUSEADDR BIO_SOCK_REUSEADDR
479 # define BIO_BIND_REUSEADDR_IF_UNUSED BIO_SOCK_REUSEADDR
480 # define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
481 # define BIO_get_bind_mode(b) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
482 # endif /* OPENSSL_NO_SOCK */
484 # define BIO_do_connect(b) BIO_do_handshake(b)
485 # define BIO_do_accept(b) BIO_do_handshake(b)
487 # define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
489 /* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */
490 # define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
491 # define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)(c))
494 # define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)(fp))
495 # define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)(fpp))
497 /* BIO_s_fd() and BIO_s_file() */
498 # define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
499 # define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
502 * name is cast to lose const, but might be better to route through a
503 * function so we can do it safely
507 * If you are wondering why this isn't defined, its because CONST_STRICT is
508 * purely a compile-time kludge to allow const to be checked.
510 int BIO_read_filename(BIO *b, const char *name);
512 # define BIO_read_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
513 BIO_CLOSE|BIO_FP_READ,(char *)(name))
515 # define BIO_write_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
516 BIO_CLOSE|BIO_FP_WRITE,name)
517 # define BIO_append_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
518 BIO_CLOSE|BIO_FP_APPEND,name)
519 # define BIO_rw_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
520 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
523 * WARNING WARNING, this ups the reference count on the read bio of the SSL
524 * structure. This is because the ssl read BIO is now pointed to by the
525 * next_bio field in the bio. So when you free the BIO, make sure you are
526 * doing a BIO_free_all() to catch the underlying BIO.
528 # define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)(ssl))
529 # define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)(sslp))
530 # define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
531 # define BIO_set_ssl_renegotiate_bytes(b,num) \
532 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL)
533 # define BIO_get_num_renegotiates(b) \
534 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL)
535 # define BIO_set_ssl_renegotiate_timeout(b,seconds) \
536 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL)
538 /* defined in evp.h */
539 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)(md)) */
541 # define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)(pp))
542 # define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)(bm))
543 # define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0, \
545 # define BIO_set_mem_eof_return(b,v) \
546 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
548 /* For the BIO_f_buffer() type */
549 # define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
550 # define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
551 # define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
552 # define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
553 # define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
555 /* Don't use the next one unless you know what you are doing :-) */
556 # define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
558 # define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
559 # define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
560 # define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
561 # define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
562 # define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
563 # define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
564 /* ...pending macros have inappropriate return type */
565 size_t BIO_ctrl_pending(BIO *b);
566 size_t BIO_ctrl_wpending(BIO *b);
567 # define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
568 # define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
570 # define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
572 /* For the BIO_f_buffer() type */
573 # define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
574 # define BIO_buffer_peek(b,s,l) BIO_ctrl(b,BIO_CTRL_PEEK,(l),(s))
576 /* For BIO_s_bio() */
577 # define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
578 # define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
579 # define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
580 # define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
581 # define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
582 /* macros with inappropriate type -- but ...pending macros use int too: */
583 # define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
584 # define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
585 size_t BIO_ctrl_get_write_guarantee(BIO *b);
586 size_t BIO_ctrl_get_read_request(BIO *b);
587 int BIO_ctrl_reset_read_request(BIO *b);
589 /* ctrl macros for dgram */
590 # define BIO_ctrl_dgram_connect(b,peer) \
591 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)(peer))
592 # define BIO_ctrl_set_connected(b,peer) \
593 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, 0, (char *)(peer))
594 # define BIO_dgram_recv_timedout(b) \
595 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
596 # define BIO_dgram_send_timedout(b) \
597 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
598 # define BIO_dgram_get_peer(b,peer) \
599 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)(peer))
600 # define BIO_dgram_set_peer(b,peer) \
601 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)(peer))
602 # define BIO_dgram_get_mtu_overhead(b) \
603 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL)
604 # define BIO_dgram_get_local_addr_cap(b) \
605 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_LOCAL_ADDR_CAP, 0, NULL)
606 # define BIO_dgram_get_local_addr_enable(b, penable) \
607 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_LOCAL_ADDR_ENABLE, 0, (char *)(penable))
608 # define BIO_dgram_set_local_addr_enable(b, enable) \
609 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_LOCAL_ADDR_ENABLE, (enable), NULL)
611 /* ctrl macros for BIO_f_prefix */
612 # define BIO_set_prefix(b,p) BIO_ctrl((b), BIO_CTRL_SET_PREFIX, 0, (void *)(p))
613 # define BIO_set_indent(b,i) BIO_ctrl((b), BIO_CTRL_SET_INDENT, (i), NULL)
614 # define BIO_get_indent(b) BIO_ctrl((b), BIO_CTRL_GET_INDENT, 0, NULL)
616 #define BIO_get_ex_new_index(l, p, newf, dupf, freef) \
617 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, l, p, newf, dupf, freef)
618 int BIO_set_ex_data(BIO *bio, int idx, void *data);
619 void *BIO_get_ex_data(const BIO *bio, int idx);
620 uint64_t BIO_number_read(BIO *bio);
621 uint64_t BIO_number_written(BIO *bio);
623 /* For BIO_f_asn1() */
624 int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,
625 asn1_ps_func *prefix_free);
626 int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,
627 asn1_ps_func **pprefix_free);
628 int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,
629 asn1_ps_func *suffix_free);
630 int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,
631 asn1_ps_func **psuffix_free);
633 const BIO_METHOD *BIO_s_file(void);
634 BIO *BIO_new_file(const char *filename, const char *mode);
635 BIO *BIO_new_from_core_bio(OSSL_LIB_CTX *libctx, OSSL_CORE_BIO *corebio);
636 # ifndef OPENSSL_NO_STDIO
637 BIO *BIO_new_fp(FILE *stream, int close_flag);
639 BIO *BIO_new_ex(OSSL_LIB_CTX *libctx, const BIO_METHOD *method);
640 BIO *BIO_new(const BIO_METHOD *type);
641 int BIO_free(BIO *a);
642 void BIO_set_data(BIO *a, void *ptr);
643 void *BIO_get_data(BIO *a);
644 void BIO_set_init(BIO *a, int init);
645 int BIO_get_init(BIO *a);
646 void BIO_set_shutdown(BIO *a, int shut);
647 int BIO_get_shutdown(BIO *a);
648 void BIO_vfree(BIO *a);
649 int BIO_up_ref(BIO *a);
650 int BIO_read(BIO *b, void *data, int dlen);
651 int BIO_read_ex(BIO *b, void *data, size_t dlen, size_t *readbytes);
652 __owur int BIO_recvmmsg(BIO *b, BIO_MSG *msg,
653 size_t stride, size_t num_msg, uint64_t flags,
654 size_t *msgs_processed);
655 int BIO_gets(BIO *bp, char *buf, int size);
656 int BIO_get_line(BIO *bio, char *buf, int size);
657 int BIO_write(BIO *b, const void *data, int dlen);
658 int BIO_write_ex(BIO *b, const void *data, size_t dlen, size_t *written);
659 __owur int BIO_sendmmsg(BIO *b, BIO_MSG *msg,
660 size_t stride, size_t num_msg, uint64_t flags,
661 size_t *msgs_processed);
662 int BIO_puts(BIO *bp, const char *buf);
663 int BIO_indent(BIO *b, int indent, int max);
664 long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg);
665 long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp);
666 void *BIO_ptr_ctrl(BIO *bp, int cmd, long larg);
667 long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg);
668 BIO *BIO_push(BIO *b, BIO *append);
669 BIO *BIO_pop(BIO *b);
670 void BIO_free_all(BIO *a);
671 BIO *BIO_find_type(BIO *b, int bio_type);
672 BIO *BIO_next(BIO *b);
673 void BIO_set_next(BIO *b, BIO *next);
674 BIO *BIO_get_retry_BIO(BIO *bio, int *reason);
675 int BIO_get_retry_reason(BIO *bio);
676 void BIO_set_retry_reason(BIO *bio, int reason);
677 BIO *BIO_dup_chain(BIO *in);
679 int BIO_nread0(BIO *bio, char **buf);
680 int BIO_nread(BIO *bio, char **buf, int num);
681 int BIO_nwrite0(BIO *bio, char **buf);
682 int BIO_nwrite(BIO *bio, char **buf, int num);
684 const BIO_METHOD *BIO_s_mem(void);
685 const BIO_METHOD *BIO_s_dgram_mem(void);
686 const BIO_METHOD *BIO_s_secmem(void);
687 BIO *BIO_new_mem_buf(const void *buf, int len);
688 # ifndef OPENSSL_NO_SOCK
689 const BIO_METHOD *BIO_s_socket(void);
690 const BIO_METHOD *BIO_s_connect(void);
691 const BIO_METHOD *BIO_s_accept(void);
693 const BIO_METHOD *BIO_s_fd(void);
694 const BIO_METHOD *BIO_s_log(void);
695 const BIO_METHOD *BIO_s_bio(void);
696 const BIO_METHOD *BIO_s_null(void);
697 const BIO_METHOD *BIO_f_null(void);
698 const BIO_METHOD *BIO_f_buffer(void);
699 const BIO_METHOD *BIO_f_readbuffer(void);
700 const BIO_METHOD *BIO_f_linebuffer(void);
701 const BIO_METHOD *BIO_f_nbio_test(void);
702 const BIO_METHOD *BIO_f_prefix(void);
703 const BIO_METHOD *BIO_s_core(void);
704 # ifndef OPENSSL_NO_DGRAM
705 const BIO_METHOD *BIO_s_datagram(void);
706 int BIO_dgram_non_fatal_error(int error);
707 BIO *BIO_new_dgram(int fd, int close_flag);
708 # ifndef OPENSSL_NO_SCTP
709 const BIO_METHOD *BIO_s_datagram_sctp(void);
710 BIO *BIO_new_dgram_sctp(int fd, int close_flag);
711 int BIO_dgram_is_sctp(BIO *bio);
712 int BIO_dgram_sctp_notification_cb(BIO *b,
713 BIO_dgram_sctp_notification_handler_fn handle_notifications,
715 int BIO_dgram_sctp_wait_for_dry(BIO *b);
716 int BIO_dgram_sctp_msg_waiting(BIO *b);
720 # ifndef OPENSSL_NO_SOCK
721 int BIO_sock_should_retry(int i);
722 int BIO_sock_non_fatal_error(int error);
723 int BIO_err_is_non_fatal(unsigned int errcode);
724 int BIO_socket_wait(int fd, int for_read, time_t max_time);
726 int BIO_wait(BIO *bio, time_t max_time, unsigned int nap_milliseconds);
727 int BIO_do_connect_retry(BIO *bio, int timeout, int nap_milliseconds);
729 int BIO_fd_should_retry(int i);
730 int BIO_fd_non_fatal_error(int error);
731 int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u),
732 void *u, const void *s, int len);
733 int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u),
734 void *u, const void *s, int len, int indent);
735 int BIO_dump(BIO *b, const void *bytes, int len);
736 int BIO_dump_indent(BIO *b, const void *bytes, int len, int indent);
737 # ifndef OPENSSL_NO_STDIO
738 int BIO_dump_fp(FILE *fp, const void *s, int len);
739 int BIO_dump_indent_fp(FILE *fp, const void *s, int len, int indent);
741 int BIO_hex_string(BIO *out, int indent, int width, const void *data,
744 # ifndef OPENSSL_NO_SOCK
745 BIO_ADDR *BIO_ADDR_new(void);
746 BIO_ADDR *BIO_ADDR_dup(const BIO_ADDR *ap);
747 int BIO_ADDR_rawmake(BIO_ADDR *ap, int family,
748 const void *where, size_t wherelen, unsigned short port);
749 void BIO_ADDR_free(BIO_ADDR *);
750 void BIO_ADDR_clear(BIO_ADDR *ap);
751 int BIO_ADDR_family(const BIO_ADDR *ap);
752 int BIO_ADDR_rawaddress(const BIO_ADDR *ap, void *p, size_t *l);
753 unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap);
754 char *BIO_ADDR_hostname_string(const BIO_ADDR *ap, int numeric);
755 char *BIO_ADDR_service_string(const BIO_ADDR *ap, int numeric);
756 char *BIO_ADDR_path_string(const BIO_ADDR *ap);
758 const BIO_ADDRINFO *BIO_ADDRINFO_next(const BIO_ADDRINFO *bai);
759 int BIO_ADDRINFO_family(const BIO_ADDRINFO *bai);
760 int BIO_ADDRINFO_socktype(const BIO_ADDRINFO *bai);
761 int BIO_ADDRINFO_protocol(const BIO_ADDRINFO *bai);
762 const BIO_ADDR *BIO_ADDRINFO_address(const BIO_ADDRINFO *bai);
763 void BIO_ADDRINFO_free(BIO_ADDRINFO *bai);
765 enum BIO_hostserv_priorities {
766 BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV
768 int BIO_parse_hostserv(const char *hostserv, char **host, char **service,
769 enum BIO_hostserv_priorities hostserv_prio);
770 enum BIO_lookup_type {
771 BIO_LOOKUP_CLIENT, BIO_LOOKUP_SERVER
773 int BIO_lookup(const char *host, const char *service,
774 enum BIO_lookup_type lookup_type,
775 int family, int socktype, BIO_ADDRINFO **res);
776 int BIO_lookup_ex(const char *host, const char *service,
777 int lookup_type, int family, int socktype, int protocol,
779 int BIO_sock_error(int sock);
780 int BIO_socket_ioctl(int fd, long type, void *arg);
781 int BIO_socket_nbio(int fd, int mode);
782 int BIO_sock_init(void);
783 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
784 # define BIO_sock_cleanup() while(0) continue
786 int BIO_set_tcp_ndelay(int sock, int turn_on);
787 # ifndef OPENSSL_NO_DEPRECATED_1_1_0
788 OSSL_DEPRECATEDIN_1_1_0 struct hostent *BIO_gethostbyname(const char *name);
789 OSSL_DEPRECATEDIN_1_1_0 int BIO_get_port(const char *str, unsigned short *port_ptr);
790 OSSL_DEPRECATEDIN_1_1_0 int BIO_get_host_ip(const char *str, unsigned char *ip);
791 OSSL_DEPRECATEDIN_1_1_0 int BIO_get_accept_socket(char *host_port, int mode);
792 OSSL_DEPRECATEDIN_1_1_0 int BIO_accept(int sock, char **ip_port);
795 union BIO_sock_info_u {
798 enum BIO_sock_info_type {
799 BIO_SOCK_INFO_ADDRESS
801 int BIO_sock_info(int sock,
802 enum BIO_sock_info_type type, union BIO_sock_info_u *info);
804 # define BIO_SOCK_REUSEADDR 0x01
805 # define BIO_SOCK_V6_ONLY 0x02
806 # define BIO_SOCK_KEEPALIVE 0x04
807 # define BIO_SOCK_NONBLOCK 0x08
808 # define BIO_SOCK_NODELAY 0x10
809 # define BIO_SOCK_TFO 0x20
811 int BIO_socket(int domain, int socktype, int protocol, int options);
812 int BIO_connect(int sock, const BIO_ADDR *addr, int options);
813 int BIO_bind(int sock, const BIO_ADDR *addr, int options);
814 int BIO_listen(int sock, const BIO_ADDR *addr, int options);
815 int BIO_accept_ex(int accept_sock, BIO_ADDR *addr, int options);
816 int BIO_closesocket(int sock);
818 BIO *BIO_new_socket(int sock, int close_flag);
819 BIO *BIO_new_connect(const char *host_port);
820 BIO *BIO_new_accept(const char *host_port);
821 # endif /* OPENSSL_NO_SOCK*/
823 BIO *BIO_new_fd(int fd, int close_flag);
825 int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
826 BIO **bio2, size_t writebuf2);
828 * If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
829 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. Size 0 uses default
833 void BIO_copy_next_retry(BIO *b);
836 * long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);
839 # define ossl_bio__attr__(x)
840 # if defined(__GNUC__) && defined(__STDC_VERSION__) \
841 && !defined(__APPLE__)
843 * Because we support the 'z' modifier, which made its appearance in C99,
844 * we can't use __attribute__ with pre C99 dialects.
846 # if __STDC_VERSION__ >= 199901L
847 # undef ossl_bio__attr__
848 # define ossl_bio__attr__ __attribute__
849 # if __GNUC__*10 + __GNUC_MINOR__ >= 44
850 # define ossl_bio__printf__ __gnu_printf__
852 # define ossl_bio__printf__ __printf__
856 int BIO_printf(BIO *bio, const char *format, ...)
857 ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 3)));
858 int BIO_vprintf(BIO *bio, const char *format, va_list args)
859 ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 0)));
860 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
861 ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 4)));
862 int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
863 ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 0)));
864 # undef ossl_bio__attr__
865 # undef ossl_bio__printf__
868 BIO_METHOD *BIO_meth_new(int type, const char *name);
869 void BIO_meth_free(BIO_METHOD *biom);
870 int (*BIO_meth_get_write(const BIO_METHOD *biom)) (BIO *, const char *, int);
871 int (*BIO_meth_get_write_ex(const BIO_METHOD *biom)) (BIO *, const char *, size_t,
873 int BIO_meth_set_write(BIO_METHOD *biom,
874 int (*write) (BIO *, const char *, int));
875 int BIO_meth_set_write_ex(BIO_METHOD *biom,
876 int (*bwrite) (BIO *, const char *, size_t, size_t *));
877 int BIO_meth_set_sendmmsg(BIO_METHOD *biom,
878 int (*f) (BIO *, BIO_MSG *, size_t, size_t,
879 uint64_t, size_t *));
880 int (*BIO_meth_get_sendmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *,
883 int (*BIO_meth_get_read(const BIO_METHOD *biom)) (BIO *, char *, int);
884 int (*BIO_meth_get_read_ex(const BIO_METHOD *biom)) (BIO *, char *, size_t, size_t *);
885 int BIO_meth_set_read(BIO_METHOD *biom,
886 int (*read) (BIO *, char *, int));
887 int BIO_meth_set_read_ex(BIO_METHOD *biom,
888 int (*bread) (BIO *, char *, size_t, size_t *));
889 int BIO_meth_set_recvmmsg(BIO_METHOD *biom,
890 int (*f) (BIO *, BIO_MSG *, size_t, size_t,
891 uint64_t, size_t *));
892 int (*BIO_meth_get_recvmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *,
895 int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *);
896 int BIO_meth_set_puts(BIO_METHOD *biom,
897 int (*puts) (BIO *, const char *));
898 int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int);
899 int BIO_meth_set_gets(BIO_METHOD *biom,
900 int (*gets) (BIO *, char *, int));
901 long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, long, void *);
902 int BIO_meth_set_ctrl(BIO_METHOD *biom,
903 long (*ctrl) (BIO *, int, long, void *));
904 int (*BIO_meth_get_create(const BIO_METHOD *bion)) (BIO *);
905 int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *));
906 int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *);
907 int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *));
908 long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom))
909 (BIO *, int, BIO_info_cb *);
910 int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
911 long (*callback_ctrl) (BIO *, int,