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{- 12use 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 36extern "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 214typedef union bio_addr_st BIO_ADDR; 215typedef struct bio_addrinfo_st BIO_ADDRINFO; 216 217int BIO_get_new_index(void); 218void BIO_set_flags(BIO *b, int flags); 219int BIO_test_flags(const BIO *b, int flags); 220void 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 277typedef long (*BIO_callback_fn)(BIO *b, int oper, const char *argp, int argi, 278 long argl, long ret); 279OSSL_DEPRECATEDIN_3_0 BIO_callback_fn BIO_get_callback(const BIO *b); 280OSSL_DEPRECATEDIN_3_0 void BIO_set_callback(BIO *b, BIO_callback_fn callback); 281OSSL_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 286typedef 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); 289BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b); 290void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex callback); 291long 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 294char *BIO_get_callback_arg(const BIO *b); 295void BIO_set_callback_arg(BIO *b, char *arg); 296 297typedef struct bio_method_st BIO_METHOD; 298 299const char *BIO_method_name(const BIO *b); 300int BIO_method_type(const BIO *b); 301 302typedef int BIO_info_cb(BIO *, int, int); 303typedef 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 */ 311typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen, 312 void *parg); 313 314typedef void (*BIO_dgram_sctp_notification_handler_fn) (BIO *b, 315 void *context, 316 void *buf); 317# ifndef OPENSSL_NO_SCTP 318/* SCTP parameter structs */ 319struct 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 326struct 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 336struct 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 */ 484int 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 */ 539size_t BIO_ctrl_pending(BIO *b); 540size_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) 559size_t BIO_ctrl_get_write_guarantee(BIO *b); 560size_t BIO_ctrl_get_read_request(BIO *b); 561int 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) 586int BIO_set_ex_data(BIO *bio, int idx, void *data); 587void *BIO_get_ex_data(const BIO *bio, int idx); 588uint64_t BIO_number_read(BIO *bio); 589uint64_t BIO_number_written(BIO *bio); 590 591/* For BIO_f_asn1() */ 592int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix, 593 asn1_ps_func *prefix_free); 594int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix, 595 asn1_ps_func **pprefix_free); 596int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix, 597 asn1_ps_func *suffix_free); 598int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix, 599 asn1_ps_func **psuffix_free); 600 601const BIO_METHOD *BIO_s_file(void); 602BIO *BIO_new_file(const char *filename, const char *mode); 603BIO *BIO_new_from_core_bio(OSSL_LIB_CTX *libctx, OSSL_CORE_BIO *corebio); 604# ifndef OPENSSL_NO_STDIO 605BIO *BIO_new_fp(FILE *stream, int close_flag); 606# endif 607BIO *BIO_new_ex(OSSL_LIB_CTX *libctx, const BIO_METHOD *method); 608BIO *BIO_new(const BIO_METHOD *type); 609int BIO_free(BIO *a); 610void BIO_set_data(BIO *a, void *ptr); 611void *BIO_get_data(BIO *a); 612void BIO_set_init(BIO *a, int init); 613int BIO_get_init(BIO *a); 614void BIO_set_shutdown(BIO *a, int shut); 615int BIO_get_shutdown(BIO *a); 616void BIO_vfree(BIO *a); 617int BIO_up_ref(BIO *a); 618int BIO_read(BIO *b, void *data, int dlen); 619int BIO_read_ex(BIO *b, void *data, size_t dlen, size_t *readbytes); 620int BIO_gets(BIO *bp, char *buf, int size); 621int BIO_get_line(BIO *bio, char *buf, int size); 622int BIO_write(BIO *b, const void *data, int dlen); 623int BIO_write_ex(BIO *b, const void *data, size_t dlen, size_t *written); 624int BIO_puts(BIO *bp, const char *buf); 625int BIO_indent(BIO *b, int indent, int max); 626long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg); 627long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp); 628void *BIO_ptr_ctrl(BIO *bp, int cmd, long larg); 629long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg); 630BIO *BIO_push(BIO *b, BIO *append); 631BIO *BIO_pop(BIO *b); 632void BIO_free_all(BIO *a); 633BIO *BIO_find_type(BIO *b, int bio_type); 634BIO *BIO_next(BIO *b); 635void BIO_set_next(BIO *b, BIO *next); 636BIO *BIO_get_retry_BIO(BIO *bio, int *reason); 637int BIO_get_retry_reason(BIO *bio); 638void BIO_set_retry_reason(BIO *bio, int reason); 639BIO *BIO_dup_chain(BIO *in); 640 641int BIO_nread0(BIO *bio, char **buf); 642int BIO_nread(BIO *bio, char **buf, int num); 643int BIO_nwrite0(BIO *bio, char **buf); 644int BIO_nwrite(BIO *bio, char **buf, int num); 645 646const BIO_METHOD *BIO_s_mem(void); 647const BIO_METHOD *BIO_s_secmem(void); 648BIO *BIO_new_mem_buf(const void *buf, int len); 649# ifndef OPENSSL_NO_SOCK 650const BIO_METHOD *BIO_s_socket(void); 651const BIO_METHOD *BIO_s_connect(void); 652const BIO_METHOD *BIO_s_accept(void); 653# endif 654const BIO_METHOD *BIO_s_fd(void); 655const BIO_METHOD *BIO_s_log(void); 656const BIO_METHOD *BIO_s_bio(void); 657const BIO_METHOD *BIO_s_null(void); 658const BIO_METHOD *BIO_f_null(void); 659const BIO_METHOD *BIO_f_buffer(void); 660const BIO_METHOD *BIO_f_readbuffer(void); 661const BIO_METHOD *BIO_f_linebuffer(void); 662const BIO_METHOD *BIO_f_nbio_test(void); 663const BIO_METHOD *BIO_f_prefix(void); 664const BIO_METHOD *BIO_s_core(void); 665# ifndef OPENSSL_NO_DGRAM 666const BIO_METHOD *BIO_s_datagram(void); 667int BIO_dgram_non_fatal_error(int error); 668BIO *BIO_new_dgram(int fd, int close_flag); 669# ifndef OPENSSL_NO_SCTP 670const BIO_METHOD *BIO_s_datagram_sctp(void); 671BIO *BIO_new_dgram_sctp(int fd, int close_flag); 672int BIO_dgram_is_sctp(BIO *bio); 673int BIO_dgram_sctp_notification_cb(BIO *b, 674 BIO_dgram_sctp_notification_handler_fn handle_notifications, 675 void *context); 676int BIO_dgram_sctp_wait_for_dry(BIO *b); 677int BIO_dgram_sctp_msg_waiting(BIO *b); 678# endif 679# endif 680 681# ifndef OPENSSL_NO_SOCK 682int BIO_sock_should_retry(int i); 683int BIO_sock_non_fatal_error(int error); 684int BIO_socket_wait(int fd, int for_read, time_t max_time); 685# endif 686int BIO_wait(BIO *bio, time_t max_time, unsigned int nap_milliseconds); 687int BIO_do_connect_retry(BIO *bio, int timeout, int nap_milliseconds); 688 689int BIO_fd_should_retry(int i); 690int BIO_fd_non_fatal_error(int error); 691int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u), 692 void *u, const void *s, int len); 693int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), 694 void *u, const void *s, int len, int indent); 695int BIO_dump(BIO *b, const void *bytes, int len); 696int BIO_dump_indent(BIO *b, const void *bytes, int len, int indent); 697# ifndef OPENSSL_NO_STDIO 698int BIO_dump_fp(FILE *fp, const void *s, int len); 699int BIO_dump_indent_fp(FILE *fp, const void *s, int len, int indent); 700# endif 701int BIO_hex_string(BIO *out, int indent, int width, const void *data, 702 int datalen); 703 704# ifndef OPENSSL_NO_SOCK 705BIO_ADDR *BIO_ADDR_new(void); 706int BIO_ADDR_rawmake(BIO_ADDR *ap, int family, 707 const void *where, size_t wherelen, unsigned short port); 708void BIO_ADDR_free(BIO_ADDR *); 709void BIO_ADDR_clear(BIO_ADDR *ap); 710int BIO_ADDR_family(const BIO_ADDR *ap); 711int BIO_ADDR_rawaddress(const BIO_ADDR *ap, void *p, size_t *l); 712unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap); 713char *BIO_ADDR_hostname_string(const BIO_ADDR *ap, int numeric); 714char *BIO_ADDR_service_string(const BIO_ADDR *ap, int numeric); 715char *BIO_ADDR_path_string(const BIO_ADDR *ap); 716 717const BIO_ADDRINFO *BIO_ADDRINFO_next(const BIO_ADDRINFO *bai); 718int BIO_ADDRINFO_family(const BIO_ADDRINFO *bai); 719int BIO_ADDRINFO_socktype(const BIO_ADDRINFO *bai); 720int BIO_ADDRINFO_protocol(const BIO_ADDRINFO *bai); 721const BIO_ADDR *BIO_ADDRINFO_address(const BIO_ADDRINFO *bai); 722void BIO_ADDRINFO_free(BIO_ADDRINFO *bai); 723 724enum BIO_hostserv_priorities { 725 BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV 726}; 727int BIO_parse_hostserv(const char *hostserv, char **host, char **service, 728 enum BIO_hostserv_priorities hostserv_prio); 729enum BIO_lookup_type { 730 BIO_LOOKUP_CLIENT, BIO_LOOKUP_SERVER 731}; 732int BIO_lookup(const char *host, const char *service, 733 enum BIO_lookup_type lookup_type, 734 int family, int socktype, BIO_ADDRINFO **res); 735int BIO_lookup_ex(const char *host, const char *service, 736 int lookup_type, int family, int socktype, int protocol, 737 BIO_ADDRINFO **res); 738int BIO_sock_error(int sock); 739int BIO_socket_ioctl(int fd, long type, void *arg); 740int BIO_socket_nbio(int fd, int mode); 741int BIO_sock_init(void); 742# ifndef OPENSSL_NO_DEPRECATED_1_1_0 743# define BIO_sock_cleanup() while(0) continue 744# endif 745int BIO_set_tcp_ndelay(int sock, int turn_on); 746# ifndef OPENSSL_NO_DEPRECATED_1_1_0 747OSSL_DEPRECATEDIN_1_1_0 struct hostent *BIO_gethostbyname(const char *name); 748OSSL_DEPRECATEDIN_1_1_0 int BIO_get_port(const char *str, unsigned short *port_ptr); 749OSSL_DEPRECATEDIN_1_1_0 int BIO_get_host_ip(const char *str, unsigned char *ip); 750OSSL_DEPRECATEDIN_1_1_0 int BIO_get_accept_socket(char *host_port, int mode); 751OSSL_DEPRECATEDIN_1_1_0 int BIO_accept(int sock, char **ip_port); 752# endif 753 754union BIO_sock_info_u { 755 BIO_ADDR *addr; 756}; 757enum BIO_sock_info_type { 758 BIO_SOCK_INFO_ADDRESS 759}; 760int 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 769int BIO_socket(int domain, int socktype, int protocol, int options); 770int BIO_connect(int sock, const BIO_ADDR *addr, int options); 771int BIO_bind(int sock, const BIO_ADDR *addr, int options); 772int BIO_listen(int sock, const BIO_ADDR *addr, int options); 773int BIO_accept_ex(int accept_sock, BIO_ADDR *addr, int options); 774int BIO_closesocket(int sock); 775 776BIO *BIO_new_socket(int sock, int close_flag); 777BIO *BIO_new_connect(const char *host_port); 778BIO *BIO_new_accept(const char *host_port); 779# endif /* OPENSSL_NO_SOCK*/ 780 781BIO *BIO_new_fd(int fd, int close_flag); 782 783int 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 791void 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 815int BIO_printf(BIO *bio, const char *format, ...) 816ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 3))); 817int BIO_vprintf(BIO *bio, const char *format, va_list args) 818ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 0))); 819int BIO_snprintf(char *buf, size_t n, const char *format, ...) 820ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 4))); 821int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) 822ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 0))); 823# undef ossl_bio__attr__ 824# undef ossl_bio__printf__ 825 826 827BIO_METHOD *BIO_meth_new(int type, const char *name); 828void BIO_meth_free(BIO_METHOD *biom); 829int (*BIO_meth_get_write(const BIO_METHOD *biom)) (BIO *, const char *, int); 830int (*BIO_meth_get_write_ex(const BIO_METHOD *biom)) (BIO *, const char *, size_t, 831 size_t *); 832int BIO_meth_set_write(BIO_METHOD *biom, 833 int (*write) (BIO *, const char *, int)); 834int BIO_meth_set_write_ex(BIO_METHOD *biom, 835 int (*bwrite) (BIO *, const char *, size_t, size_t *)); 836int (*BIO_meth_get_read(const BIO_METHOD *biom)) (BIO *, char *, int); 837int (*BIO_meth_get_read_ex(const BIO_METHOD *biom)) (BIO *, char *, size_t, size_t *); 838int BIO_meth_set_read(BIO_METHOD *biom, 839 int (*read) (BIO *, char *, int)); 840int BIO_meth_set_read_ex(BIO_METHOD *biom, 841 int (*bread) (BIO *, char *, size_t, size_t *)); 842int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *); 843int BIO_meth_set_puts(BIO_METHOD *biom, 844 int (*puts) (BIO *, const char *)); 845int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int); 846int BIO_meth_set_gets(BIO_METHOD *biom, 847 int (*gets) (BIO *, char *, int)); 848long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, long, void *); 849int BIO_meth_set_ctrl(BIO_METHOD *biom, 850 long (*ctrl) (BIO *, int, long, void *)); 851int (*BIO_meth_get_create(const BIO_METHOD *bion)) (BIO *); 852int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *)); 853int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *); 854int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *)); 855long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom)) 856 (BIO *, int, BIO_info_cb *); 857int 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 865