1/* 2 * {- join("\n * ", @autowarntext) -} 3 * 4 * Copyright 1995-2025 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# define BIO_TYPE_DGRAM_PAIR (26|BIO_TYPE_SOURCE_SINK) 72# define BIO_TYPE_DGRAM_MEM (27|BIO_TYPE_SOURCE_SINK) 73 74/* Custom type starting index returned by BIO_get_new_index() */ 75#define BIO_TYPE_START 128 76/* Custom type maximum index that can be returned by BIO_get_new_index() */ 77#define BIO_TYPE_MASK 0xFF 78 79/* 80 * BIO_FILENAME_READ|BIO_CLOSE to open or close on free. 81 * BIO_set_fp(in,stdin,BIO_NOCLOSE); 82 */ 83# define BIO_NOCLOSE 0x00 84# define BIO_CLOSE 0x01 85 86/* 87 * These are used in the following macros and are passed to BIO_ctrl() 88 */ 89# define BIO_CTRL_RESET 1/* opt - rewind/zero etc */ 90# define BIO_CTRL_EOF 2/* opt - are we at the eof */ 91# define BIO_CTRL_INFO 3/* opt - extra tit-bits */ 92# define BIO_CTRL_SET 4/* man - set the 'IO' type */ 93# define BIO_CTRL_GET 5/* man - get the 'IO' type */ 94# define BIO_CTRL_PUSH 6/* opt - internal, used to signify change */ 95# define BIO_CTRL_POP 7/* opt - internal, used to signify change */ 96# define BIO_CTRL_GET_CLOSE 8/* man - set the 'close' on free */ 97# define BIO_CTRL_SET_CLOSE 9/* man - set the 'close' on free */ 98# define BIO_CTRL_PENDING 10/* opt - is their more data buffered */ 99# define BIO_CTRL_FLUSH 11/* opt - 'flush' buffered output */ 100# define BIO_CTRL_DUP 12/* man - extra stuff for 'duped' BIO */ 101# define BIO_CTRL_WPENDING 13/* opt - number of bytes still to write */ 102# define BIO_CTRL_SET_CALLBACK 14/* opt - set callback function */ 103# define BIO_CTRL_GET_CALLBACK 15/* opt - set callback function */ 104 105# define BIO_CTRL_PEEK 29/* BIO_f_buffer special */ 106# define BIO_CTRL_SET_FILENAME 30/* BIO_s_file special */ 107 108/* dgram BIO stuff */ 109# define BIO_CTRL_DGRAM_CONNECT 31/* BIO dgram special */ 110# define BIO_CTRL_DGRAM_SET_CONNECTED 32/* allow for an externally connected 111 * socket to be passed in */ 112# define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33/* setsockopt, essentially */ 113# define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34/* getsockopt, essentially */ 114# define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35/* setsockopt, essentially */ 115# define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36/* getsockopt, essentially */ 116 117# define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37/* flag whether the last */ 118# define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38/* I/O operation timed out */ 119 120/* #ifdef IP_MTU_DISCOVER */ 121# define BIO_CTRL_DGRAM_MTU_DISCOVER 39/* set DF bit on egress packets */ 122/* #endif */ 123 124# define BIO_CTRL_DGRAM_QUERY_MTU 40/* as kernel for current MTU */ 125# define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47 126# define BIO_CTRL_DGRAM_GET_MTU 41/* get cached value for MTU */ 127# define BIO_CTRL_DGRAM_SET_MTU 42/* set cached value for MTU. 128 * want to use this if asking 129 * the kernel fails */ 130 131# define BIO_CTRL_DGRAM_MTU_EXCEEDED 43/* check whether the MTU was 132 * exceed in the previous write 133 * operation */ 134 135# define BIO_CTRL_DGRAM_GET_PEER 46 136# define BIO_CTRL_DGRAM_SET_PEER 44/* Destination for the data */ 137 138# define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45/* Next DTLS handshake timeout 139 * to adjust socket timeouts */ 140# define BIO_CTRL_DGRAM_SET_DONT_FRAG 48 141 142# define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD 49 143 144/* Deliberately outside of OPENSSL_NO_SCTP - used in bss_dgram.c */ 145# define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE 50 146# ifndef OPENSSL_NO_SCTP 147/* SCTP stuff */ 148# define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY 51 149# define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY 52 150# define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD 53 151# define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO 60 152# define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO 61 153# define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO 62 154# define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO 63 155# define BIO_CTRL_DGRAM_SCTP_GET_PRINFO 64 156# define BIO_CTRL_DGRAM_SCTP_SET_PRINFO 65 157# define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN 70 158# endif 159 160# define BIO_CTRL_DGRAM_SET_PEEK_MODE 71 161 162/* 163 * internal BIO: 164 * # define BIO_CTRL_SET_KTLS_SEND 72 165 * # define BIO_CTRL_SET_KTLS_SEND_CTRL_MSG 74 166 * # define BIO_CTRL_CLEAR_KTLS_CTRL_MSG 75 167 */ 168 169# define BIO_CTRL_GET_KTLS_SEND 73 170# define BIO_CTRL_GET_KTLS_RECV 76 171 172# define BIO_CTRL_DGRAM_SCTP_WAIT_FOR_DRY 77 173# define BIO_CTRL_DGRAM_SCTP_MSG_WAITING 78 174 175/* BIO_f_prefix controls */ 176# define BIO_CTRL_SET_PREFIX 79 177# define BIO_CTRL_SET_INDENT 80 178# define BIO_CTRL_GET_INDENT 81 179 180# define BIO_CTRL_DGRAM_GET_LOCAL_ADDR_CAP 82 181# define BIO_CTRL_DGRAM_GET_LOCAL_ADDR_ENABLE 83 182# define BIO_CTRL_DGRAM_SET_LOCAL_ADDR_ENABLE 84 183# define BIO_CTRL_DGRAM_GET_EFFECTIVE_CAPS 85 184# define BIO_CTRL_DGRAM_GET_CAPS 86 185# define BIO_CTRL_DGRAM_SET_CAPS 87 186# define BIO_CTRL_DGRAM_GET_NO_TRUNC 88 187# define BIO_CTRL_DGRAM_SET_NO_TRUNC 89 188 189/* 190 * internal BIO: 191 * # define BIO_CTRL_SET_KTLS_TX_ZEROCOPY_SENDFILE 90 192 */ 193 194# define BIO_CTRL_GET_RPOLL_DESCRIPTOR 91 195# define BIO_CTRL_GET_WPOLL_DESCRIPTOR 92 196# define BIO_CTRL_DGRAM_DETECT_PEER_ADDR 93 197# define BIO_CTRL_DGRAM_SET0_LOCAL_ADDR 94 198 199# define BIO_DGRAM_CAP_NONE 0U 200# define BIO_DGRAM_CAP_HANDLES_SRC_ADDR (1U << 0) 201# define BIO_DGRAM_CAP_HANDLES_DST_ADDR (1U << 1) 202# define BIO_DGRAM_CAP_PROVIDES_SRC_ADDR (1U << 2) 203# define BIO_DGRAM_CAP_PROVIDES_DST_ADDR (1U << 3) 204 205# ifndef OPENSSL_NO_KTLS 206# define BIO_get_ktls_send(b) \ 207 (BIO_ctrl(b, BIO_CTRL_GET_KTLS_SEND, 0, NULL) > 0) 208# define BIO_get_ktls_recv(b) \ 209 (BIO_ctrl(b, BIO_CTRL_GET_KTLS_RECV, 0, NULL) > 0) 210# else 211# define BIO_get_ktls_send(b) (0) 212# define BIO_get_ktls_recv(b) (0) 213# endif 214 215/* modifiers */ 216# define BIO_FP_READ 0x02 217# define BIO_FP_WRITE 0x04 218# define BIO_FP_APPEND 0x08 219# define BIO_FP_TEXT 0x10 220 221# define BIO_FLAGS_READ 0x01 222# define BIO_FLAGS_WRITE 0x02 223# define BIO_FLAGS_IO_SPECIAL 0x04 224# define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL) 225# define BIO_FLAGS_SHOULD_RETRY 0x08 226# ifndef OPENSSL_NO_DEPRECATED_3_0 227/* This #define was replaced by an internal constant and should not be used. */ 228# define BIO_FLAGS_UPLINK 0 229# endif 230 231# define BIO_FLAGS_BASE64_NO_NL 0x100 232 233/* 234 * This is used with memory BIOs: 235 * BIO_FLAGS_MEM_RDONLY means we shouldn't free up or change the data in any way; 236 * BIO_FLAGS_NONCLEAR_RST means we shouldn't clear data on reset. 237 */ 238# define BIO_FLAGS_MEM_RDONLY 0x200 239# define BIO_FLAGS_NONCLEAR_RST 0x400 240# define BIO_FLAGS_IN_EOF 0x800 241 242/* the BIO FLAGS values 0x1000 to 0x8000 are reserved for internal KTLS flags */ 243 244typedef union bio_addr_st BIO_ADDR; 245typedef struct bio_addrinfo_st BIO_ADDRINFO; 246 247int BIO_get_new_index(void); 248void BIO_set_flags(BIO *b, int flags); 249int BIO_test_flags(const BIO *b, int flags); 250void BIO_clear_flags(BIO *b, int flags); 251 252# define BIO_get_flags(b) BIO_test_flags(b, ~(0x0)) 253# define BIO_set_retry_special(b) \ 254 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY)) 255# define BIO_set_retry_read(b) \ 256 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY)) 257# define BIO_set_retry_write(b) \ 258 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY)) 259 260/* These are normally used internally in BIOs */ 261# define BIO_clear_retry_flags(b) \ 262 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) 263# define BIO_get_retry_flags(b) \ 264 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) 265 266/* These should be used by the application to tell why we should retry */ 267# define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ) 268# define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE) 269# define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL) 270# define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS) 271# define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY) 272 273/* 274 * The next three are used in conjunction with the BIO_should_io_special() 275 * condition. After this returns true, BIO *BIO_get_retry_BIO(BIO *bio, int 276 * *reason); will walk the BIO stack and return the 'reason' for the special 277 * and the offending BIO. Given a BIO, BIO_get_retry_reason(bio) will return 278 * the code. 279 */ 280/* 281 * Returned from the SSL bio when the certificate retrieval code had an error 282 */ 283# define BIO_RR_SSL_X509_LOOKUP 0x01 284/* Returned from the connect BIO when a connect would have blocked */ 285# define BIO_RR_CONNECT 0x02 286/* Returned from the accept BIO when an accept would have blocked */ 287# define BIO_RR_ACCEPT 0x03 288 289/* These are passed by the BIO callback */ 290# define BIO_CB_FREE 0x01 291# define BIO_CB_READ 0x02 292# define BIO_CB_WRITE 0x03 293# define BIO_CB_PUTS 0x04 294# define BIO_CB_GETS 0x05 295# define BIO_CB_CTRL 0x06 296# define BIO_CB_RECVMMSG 0x07 297# define BIO_CB_SENDMMSG 0x08 298 299/* 300 * The callback is called before and after the underling operation, The 301 * BIO_CB_RETURN flag indicates if it is after the call 302 */ 303# define BIO_CB_RETURN 0x80 304# define BIO_CB_return(a) ((a)|BIO_CB_RETURN) 305# define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN)) 306# define BIO_cb_post(a) ((a)&BIO_CB_RETURN) 307 308# ifndef OPENSSL_NO_DEPRECATED_3_0 309typedef long (*BIO_callback_fn)(BIO *b, int oper, const char *argp, int argi, 310 long argl, long ret); 311OSSL_DEPRECATEDIN_3_0 BIO_callback_fn BIO_get_callback(const BIO *b); 312OSSL_DEPRECATEDIN_3_0 void BIO_set_callback(BIO *b, BIO_callback_fn callback); 313OSSL_DEPRECATEDIN_3_0 long BIO_debug_callback(BIO *bio, int cmd, 314 const char *argp, int argi, 315 long argl, long ret); 316# endif 317 318typedef long (*BIO_callback_fn_ex)(BIO *b, int oper, const char *argp, 319 size_t len, int argi, 320 long argl, int ret, size_t *processed); 321BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b); 322void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex callback); 323long BIO_debug_callback_ex(BIO *bio, int oper, const char *argp, size_t len, 324 int argi, long argl, int ret, size_t *processed); 325 326char *BIO_get_callback_arg(const BIO *b); 327void BIO_set_callback_arg(BIO *b, char *arg); 328 329typedef struct bio_method_st BIO_METHOD; 330 331const char *BIO_method_name(const BIO *b); 332int BIO_method_type(const BIO *b); 333 334typedef int BIO_info_cb(BIO *, int, int); 335typedef BIO_info_cb bio_info_cb; /* backward compatibility */ 336 337{- 338 generate_stack_macros("BIO"); 339-} 340 341 342/* Prefix and suffix callback in ASN1 BIO */ 343typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen, 344 void *parg); 345 346typedef void (*BIO_dgram_sctp_notification_handler_fn) (BIO *b, 347 void *context, 348 void *buf); 349# ifndef OPENSSL_NO_SCTP 350/* SCTP parameter structs */ 351struct bio_dgram_sctp_sndinfo { 352 uint16_t snd_sid; 353 uint16_t snd_flags; 354 uint32_t snd_ppid; 355 uint32_t snd_context; 356}; 357 358struct bio_dgram_sctp_rcvinfo { 359 uint16_t rcv_sid; 360 uint16_t rcv_ssn; 361 uint16_t rcv_flags; 362 uint32_t rcv_ppid; 363 uint32_t rcv_tsn; 364 uint32_t rcv_cumtsn; 365 uint32_t rcv_context; 366}; 367 368struct bio_dgram_sctp_prinfo { 369 uint16_t pr_policy; 370 uint32_t pr_value; 371}; 372# endif 373 374/* BIO_sendmmsg/BIO_recvmmsg-related definitions */ 375typedef struct bio_msg_st { 376 void *data; 377 size_t data_len; 378 BIO_ADDR *peer, *local; 379 uint64_t flags; 380} BIO_MSG; 381 382typedef struct bio_mmsg_cb_args_st { 383 BIO_MSG *msg; 384 size_t stride, num_msg; 385 uint64_t flags; 386 size_t *msgs_processed; 387} BIO_MMSG_CB_ARGS; 388 389#define BIO_POLL_DESCRIPTOR_TYPE_NONE 0 390#define BIO_POLL_DESCRIPTOR_TYPE_SOCK_FD 1 391#define BIO_POLL_DESCRIPTOR_TYPE_SSL 2 392#define BIO_POLL_DESCRIPTOR_CUSTOM_START 8192 393 394typedef struct bio_poll_descriptor_st { 395 uint32_t type; 396 union { 397 int fd; 398 void *custom; 399 uintptr_t custom_ui; 400 SSL *ssl; 401 } value; 402} BIO_POLL_DESCRIPTOR; 403 404/* 405 * #define BIO_CONN_get_param_hostname BIO_ctrl 406 */ 407 408# define BIO_C_SET_CONNECT 100 409# define BIO_C_DO_STATE_MACHINE 101 410# define BIO_C_SET_NBIO 102 411/* # define BIO_C_SET_PROXY_PARAM 103 */ 412# define BIO_C_SET_FD 104 413# define BIO_C_GET_FD 105 414# define BIO_C_SET_FILE_PTR 106 415# define BIO_C_GET_FILE_PTR 107 416# define BIO_C_SET_FILENAME 108 417# define BIO_C_SET_SSL 109 418# define BIO_C_GET_SSL 110 419# define BIO_C_SET_MD 111 420# define BIO_C_GET_MD 112 421# define BIO_C_GET_CIPHER_STATUS 113 422# define BIO_C_SET_BUF_MEM 114 423# define BIO_C_GET_BUF_MEM_PTR 115 424# define BIO_C_GET_BUFF_NUM_LINES 116 425# define BIO_C_SET_BUFF_SIZE 117 426# define BIO_C_SET_ACCEPT 118 427# define BIO_C_SSL_MODE 119 428# define BIO_C_GET_MD_CTX 120 429/* # define BIO_C_GET_PROXY_PARAM 121 */ 430# define BIO_C_SET_BUFF_READ_DATA 122/* data to read first */ 431# define BIO_C_GET_CONNECT 123 432# define BIO_C_GET_ACCEPT 124 433# define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125 434# define BIO_C_GET_SSL_NUM_RENEGOTIATES 126 435# define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127 436# define BIO_C_FILE_SEEK 128 437# define BIO_C_GET_CIPHER_CTX 129 438# define BIO_C_SET_BUF_MEM_EOF_RETURN 130/* return end of input 439 * value */ 440# define BIO_C_SET_BIND_MODE 131 441# define BIO_C_GET_BIND_MODE 132 442# define BIO_C_FILE_TELL 133 443# define BIO_C_GET_SOCKS 134 444# define BIO_C_SET_SOCKS 135 445 446# define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */ 447# define BIO_C_GET_WRITE_BUF_SIZE 137 448# define BIO_C_MAKE_BIO_PAIR 138 449# define BIO_C_DESTROY_BIO_PAIR 139 450# define BIO_C_GET_WRITE_GUARANTEE 140 451# define BIO_C_GET_READ_REQUEST 141 452# define BIO_C_SHUTDOWN_WR 142 453# define BIO_C_NREAD0 143 454# define BIO_C_NREAD 144 455# define BIO_C_NWRITE0 145 456# define BIO_C_NWRITE 146 457# define BIO_C_RESET_READ_REQUEST 147 458# define BIO_C_SET_MD_CTX 148 459 460# define BIO_C_SET_PREFIX 149 461# define BIO_C_GET_PREFIX 150 462# define BIO_C_SET_SUFFIX 151 463# define BIO_C_GET_SUFFIX 152 464 465# define BIO_C_SET_EX_ARG 153 466# define BIO_C_GET_EX_ARG 154 467 468# define BIO_C_SET_CONNECT_MODE 155 469 470# define BIO_C_SET_TFO 156 /* like BIO_C_SET_NBIO */ 471 472# define BIO_C_SET_SOCK_TYPE 157 473# define BIO_C_GET_SOCK_TYPE 158 474# define BIO_C_GET_DGRAM_BIO 159 475 476# define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg) 477# define BIO_get_app_data(s) BIO_get_ex_data(s,0) 478 479# define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) 480# define BIO_set_tfo(b,n) BIO_ctrl(b,BIO_C_SET_TFO,(n),NULL) 481 482# ifndef OPENSSL_NO_SOCK 483/* IP families we support, for BIO_s_connect() and BIO_s_accept() */ 484/* Note: the underlying operating system may not support some of them */ 485# define BIO_FAMILY_IPV4 4 486# define BIO_FAMILY_IPV6 6 487# define BIO_FAMILY_IPANY 256 488 489/* BIO_s_connect() */ 490# define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0, \ 491 (char *)(name)) 492# define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1, \ 493 (char *)(port)) 494# define BIO_set_conn_address(b,addr) BIO_ctrl(b,BIO_C_SET_CONNECT,2, \ 495 (char *)(addr)) 496# define BIO_set_conn_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,f) 497# define BIO_get_conn_hostname(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)) 498# define BIO_get_conn_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)) 499# define BIO_get_conn_address(b) ((const BIO_ADDR *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)) 500# define BIO_get_conn_ip_family(b) BIO_ctrl(b,BIO_C_GET_CONNECT,3,NULL) 501# define BIO_get_conn_mode(b) BIO_ctrl(b,BIO_C_GET_CONNECT,4,NULL) 502# define BIO_set_conn_mode(b,n) BIO_ctrl(b,BIO_C_SET_CONNECT_MODE,(n),NULL) 503# define BIO_set_sock_type(b,t) BIO_ctrl(b,BIO_C_SET_SOCK_TYPE,(t),NULL) 504# define BIO_get_sock_type(b) BIO_ctrl(b,BIO_C_GET_SOCK_TYPE,0,NULL) 505# define BIO_get0_dgram_bio(b, p) BIO_ctrl(b,BIO_C_GET_DGRAM_BIO,0,(void *)(BIO **)(p)) 506 507/* BIO_s_accept() */ 508# define BIO_set_accept_name(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0, \ 509 (char *)(name)) 510# define BIO_set_accept_port(b,port) BIO_ctrl(b,BIO_C_SET_ACCEPT,1, \ 511 (char *)(port)) 512# define BIO_get_accept_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)) 513# define BIO_get_accept_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,1)) 514# define BIO_get_peer_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,2)) 515# define BIO_get_peer_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,3)) 516/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */ 517# define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(n)?(void *)"a":NULL) 518# define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,3, \ 519 (char *)(bio)) 520# define BIO_set_accept_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_ACCEPT,4,f) 521# define BIO_get_accept_ip_family(b) BIO_ctrl(b,BIO_C_GET_ACCEPT,4,NULL) 522# define BIO_set_tfo_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,5,(n)?(void *)"a":NULL) 523 524/* Aliases kept for backward compatibility */ 525# define BIO_BIND_NORMAL 0 526# define BIO_BIND_REUSEADDR BIO_SOCK_REUSEADDR 527# define BIO_BIND_REUSEADDR_IF_UNUSED BIO_SOCK_REUSEADDR 528# define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL) 529# define BIO_get_bind_mode(b) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL) 530# endif /* OPENSSL_NO_SOCK */ 531 532# define BIO_do_connect(b) BIO_do_handshake(b) 533# define BIO_do_accept(b) BIO_do_handshake(b) 534 535# define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL) 536 537/* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */ 538# define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd) 539# define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)(c)) 540 541/* BIO_s_file() */ 542# define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)(fp)) 543# define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)(fpp)) 544 545/* BIO_s_fd() and BIO_s_file() */ 546# define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL) 547# define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL) 548 549/* 550 * name is cast to lose const, but might be better to route through a 551 * function so we can do it safely 552 */ 553# ifdef CONST_STRICT 554/* 555 * If you are wondering why this isn't defined, its because CONST_STRICT is 556 * purely a compile-time kludge to allow const to be checked. 557 */ 558int BIO_read_filename(BIO *b, const char *name); 559# else 560# define BIO_read_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 561 BIO_CLOSE|BIO_FP_READ,(char *)(name)) 562# endif 563# define BIO_write_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 564 BIO_CLOSE|BIO_FP_WRITE,name) 565# define BIO_append_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 566 BIO_CLOSE|BIO_FP_APPEND,name) 567# define BIO_rw_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 568 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name) 569 570/* 571 * WARNING WARNING, this ups the reference count on the read bio of the SSL 572 * structure. This is because the ssl read BIO is now pointed to by the 573 * next_bio field in the bio. So when you free the BIO, make sure you are 574 * doing a BIO_free_all() to catch the underlying BIO. 575 */ 576# define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)(ssl)) 577# define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)(sslp)) 578# define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL) 579# define BIO_set_ssl_renegotiate_bytes(b,num) \ 580 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL) 581# define BIO_get_num_renegotiates(b) \ 582 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL) 583# define BIO_set_ssl_renegotiate_timeout(b,seconds) \ 584 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL) 585 586/* defined in evp.h */ 587/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)(md)) */ 588 589# define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)(pp)) 590# define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)(bm)) 591# define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0, \ 592 (char *)(pp)) 593# define BIO_set_mem_eof_return(b,v) \ 594 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL) 595 596/* For the BIO_f_buffer() type */ 597# define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL) 598# define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL) 599# define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0) 600# define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1) 601# define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf) 602 603/* Don't use the next one unless you know what you are doing :-) */ 604# define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret)) 605 606# define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL) 607# define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL) 608# define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL) 609# define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL) 610# define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL) 611# define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL) 612/* ...pending macros have inappropriate return type */ 613size_t BIO_ctrl_pending(BIO *b); 614size_t BIO_ctrl_wpending(BIO *b); 615# define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL) 616# define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \ 617 cbp) 618# define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb) 619 620/* For the BIO_f_buffer() type */ 621# define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL) 622# define BIO_buffer_peek(b,s,l) BIO_ctrl(b,BIO_CTRL_PEEK,(l),(s)) 623 624/* For BIO_s_bio() */ 625# define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL) 626# define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL) 627# define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2) 628# define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL) 629# define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL) 630/* macros with inappropriate type -- but ...pending macros use int too: */ 631# define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL) 632# define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL) 633size_t BIO_ctrl_get_write_guarantee(BIO *b); 634size_t BIO_ctrl_get_read_request(BIO *b); 635int BIO_ctrl_reset_read_request(BIO *b); 636 637/* ctrl macros for dgram */ 638# define BIO_ctrl_dgram_connect(b,peer) \ 639 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)(peer)) 640# define BIO_ctrl_set_connected(b,peer) \ 641 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, 0, (char *)(peer)) 642# define BIO_dgram_recv_timedout(b) \ 643 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL) 644# define BIO_dgram_send_timedout(b) \ 645 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL) 646# define BIO_dgram_get_peer(b,peer) \ 647 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)(peer)) 648# define BIO_dgram_set_peer(b,peer) \ 649 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)(peer)) 650# define BIO_dgram_detect_peer_addr(b,peer) \ 651 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_DETECT_PEER_ADDR, 0, (char *)(peer)) 652# define BIO_dgram_get_mtu_overhead(b) \ 653 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL) 654# define BIO_dgram_get_local_addr_cap(b) \ 655 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_LOCAL_ADDR_CAP, 0, NULL) 656# define BIO_dgram_get_local_addr_enable(b, penable) \ 657 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_LOCAL_ADDR_ENABLE, 0, (char *)(penable)) 658# define BIO_dgram_set_local_addr_enable(b, enable) \ 659 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_LOCAL_ADDR_ENABLE, (enable), NULL) 660# define BIO_dgram_get_effective_caps(b) \ 661 (uint32_t)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_EFFECTIVE_CAPS, 0, NULL) 662# define BIO_dgram_get_caps(b) \ 663 (uint32_t)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_CAPS, 0, NULL) 664# define BIO_dgram_set_caps(b, caps) \ 665 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_CAPS, (long)(caps), NULL) 666# define BIO_dgram_get_no_trunc(b) \ 667 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_NO_TRUNC, 0, NULL) 668# define BIO_dgram_set_no_trunc(b, enable) \ 669 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_NO_TRUNC, (enable), NULL) 670# define BIO_dgram_get_mtu(b) \ 671 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU, 0, NULL) 672# define BIO_dgram_set_mtu(b, mtu) \ 673 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_MTU, (mtu), NULL) 674# define BIO_dgram_set0_local_addr(b, addr) \ 675 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET0_LOCAL_ADDR, 0, (addr)) 676 677/* ctrl macros for BIO_f_prefix */ 678# define BIO_set_prefix(b,p) BIO_ctrl((b), BIO_CTRL_SET_PREFIX, 0, (void *)(p)) 679# define BIO_set_indent(b,i) BIO_ctrl((b), BIO_CTRL_SET_INDENT, (i), NULL) 680# define BIO_get_indent(b) BIO_ctrl((b), BIO_CTRL_GET_INDENT, 0, NULL) 681 682#define BIO_get_ex_new_index(l, p, newf, dupf, freef) \ 683 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, l, p, newf, dupf, freef) 684int BIO_set_ex_data(BIO *bio, int idx, void *data); 685void *BIO_get_ex_data(const BIO *bio, int idx); 686uint64_t BIO_number_read(BIO *bio); 687uint64_t BIO_number_written(BIO *bio); 688 689/* For BIO_f_asn1() */ 690int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix, 691 asn1_ps_func *prefix_free); 692int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix, 693 asn1_ps_func **pprefix_free); 694int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix, 695 asn1_ps_func *suffix_free); 696int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix, 697 asn1_ps_func **psuffix_free); 698 699const BIO_METHOD *BIO_s_file(void); 700BIO *BIO_new_file(const char *filename, const char *mode); 701BIO *BIO_new_from_core_bio(OSSL_LIB_CTX *libctx, OSSL_CORE_BIO *corebio); 702# ifndef OPENSSL_NO_STDIO 703BIO *BIO_new_fp(FILE *stream, int close_flag); 704# endif 705BIO *BIO_new_ex(OSSL_LIB_CTX *libctx, const BIO_METHOD *method); 706BIO *BIO_new(const BIO_METHOD *type); 707int BIO_free(BIO *a); 708void BIO_set_data(BIO *a, void *ptr); 709void *BIO_get_data(BIO *a); 710void BIO_set_init(BIO *a, int init); 711int BIO_get_init(BIO *a); 712void BIO_set_shutdown(BIO *a, int shut); 713int BIO_get_shutdown(BIO *a); 714void BIO_vfree(BIO *a); 715int BIO_up_ref(BIO *a); 716int BIO_read(BIO *b, void *data, int dlen); 717int BIO_read_ex(BIO *b, void *data, size_t dlen, size_t *readbytes); 718__owur int BIO_recvmmsg(BIO *b, BIO_MSG *msg, 719 size_t stride, size_t num_msg, uint64_t flags, 720 size_t *msgs_processed); 721int BIO_gets(BIO *bp, char *buf, int size); 722int BIO_get_line(BIO *bio, char *buf, int size); 723int BIO_write(BIO *b, const void *data, int dlen); 724int BIO_write_ex(BIO *b, const void *data, size_t dlen, size_t *written); 725__owur int BIO_sendmmsg(BIO *b, BIO_MSG *msg, 726 size_t stride, size_t num_msg, uint64_t flags, 727 size_t *msgs_processed); 728__owur int BIO_get_rpoll_descriptor(BIO *b, BIO_POLL_DESCRIPTOR *desc); 729__owur int BIO_get_wpoll_descriptor(BIO *b, BIO_POLL_DESCRIPTOR *desc); 730int BIO_puts(BIO *bp, const char *buf); 731int BIO_indent(BIO *b, int indent, int max); 732long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg); 733long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp); 734void *BIO_ptr_ctrl(BIO *bp, int cmd, long larg); 735long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg); 736BIO *BIO_push(BIO *b, BIO *append); 737BIO *BIO_pop(BIO *b); 738void BIO_free_all(BIO *a); 739BIO *BIO_find_type(BIO *b, int bio_type); 740BIO *BIO_next(BIO *b); 741void BIO_set_next(BIO *b, BIO *next); 742BIO *BIO_get_retry_BIO(BIO *bio, int *reason); 743int BIO_get_retry_reason(BIO *bio); 744void BIO_set_retry_reason(BIO *bio, int reason); 745BIO *BIO_dup_chain(BIO *in); 746 747int BIO_nread0(BIO *bio, char **buf); 748int BIO_nread(BIO *bio, char **buf, int num); 749int BIO_nwrite0(BIO *bio, char **buf); 750int BIO_nwrite(BIO *bio, char **buf, int num); 751 752const BIO_METHOD *BIO_s_mem(void); 753# ifndef OPENSSL_NO_DGRAM 754const BIO_METHOD *BIO_s_dgram_mem(void); 755# endif 756const BIO_METHOD *BIO_s_secmem(void); 757BIO *BIO_new_mem_buf(const void *buf, int len); 758# ifndef OPENSSL_NO_SOCK 759const BIO_METHOD *BIO_s_socket(void); 760const BIO_METHOD *BIO_s_connect(void); 761const BIO_METHOD *BIO_s_accept(void); 762# endif 763const BIO_METHOD *BIO_s_fd(void); 764const BIO_METHOD *BIO_s_log(void); 765const BIO_METHOD *BIO_s_bio(void); 766const BIO_METHOD *BIO_s_null(void); 767const BIO_METHOD *BIO_f_null(void); 768const BIO_METHOD *BIO_f_buffer(void); 769const BIO_METHOD *BIO_f_readbuffer(void); 770const BIO_METHOD *BIO_f_linebuffer(void); 771const BIO_METHOD *BIO_f_nbio_test(void); 772const BIO_METHOD *BIO_f_prefix(void); 773const BIO_METHOD *BIO_s_core(void); 774# ifndef OPENSSL_NO_DGRAM 775const BIO_METHOD *BIO_s_dgram_pair(void); 776const BIO_METHOD *BIO_s_datagram(void); 777int BIO_dgram_non_fatal_error(int error); 778BIO *BIO_new_dgram(int fd, int close_flag); 779# ifndef OPENSSL_NO_SCTP 780const BIO_METHOD *BIO_s_datagram_sctp(void); 781BIO *BIO_new_dgram_sctp(int fd, int close_flag); 782int BIO_dgram_is_sctp(BIO *bio); 783int BIO_dgram_sctp_notification_cb(BIO *b, 784 BIO_dgram_sctp_notification_handler_fn handle_notifications, 785 void *context); 786int BIO_dgram_sctp_wait_for_dry(BIO *b); 787int BIO_dgram_sctp_msg_waiting(BIO *b); 788# endif 789# endif 790 791# ifndef OPENSSL_NO_SOCK 792int BIO_sock_should_retry(int i); 793int BIO_sock_non_fatal_error(int error); 794int BIO_err_is_non_fatal(unsigned int errcode); 795int BIO_socket_wait(int fd, int for_read, time_t max_time); 796# endif 797int BIO_wait(BIO *bio, time_t max_time, unsigned int nap_milliseconds); 798int BIO_do_connect_retry(BIO *bio, int timeout, int nap_milliseconds); 799 800int BIO_fd_should_retry(int i); 801int BIO_fd_non_fatal_error(int error); 802int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u), 803 void *u, const void *s, int len); 804int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), 805 void *u, const void *s, int len, int indent); 806int BIO_dump(BIO *b, const void *bytes, int len); 807int BIO_dump_indent(BIO *b, const void *bytes, int len, int indent); 808# ifndef OPENSSL_NO_STDIO 809int BIO_dump_fp(FILE *fp, const void *s, int len); 810int BIO_dump_indent_fp(FILE *fp, const void *s, int len, int indent); 811# endif 812int BIO_hex_string(BIO *out, int indent, int width, const void *data, 813 int datalen); 814 815# ifndef OPENSSL_NO_SOCK 816BIO_ADDR *BIO_ADDR_new(void); 817int BIO_ADDR_copy(BIO_ADDR *dst, const BIO_ADDR *src); 818BIO_ADDR *BIO_ADDR_dup(const BIO_ADDR *ap); 819int BIO_ADDR_rawmake(BIO_ADDR *ap, int family, 820 const void *where, size_t wherelen, unsigned short port); 821void BIO_ADDR_free(BIO_ADDR *); 822void BIO_ADDR_clear(BIO_ADDR *ap); 823int BIO_ADDR_family(const BIO_ADDR *ap); 824int BIO_ADDR_rawaddress(const BIO_ADDR *ap, void *p, size_t *l); 825unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap); 826char *BIO_ADDR_hostname_string(const BIO_ADDR *ap, int numeric); 827char *BIO_ADDR_service_string(const BIO_ADDR *ap, int numeric); 828char *BIO_ADDR_path_string(const BIO_ADDR *ap); 829 830const BIO_ADDRINFO *BIO_ADDRINFO_next(const BIO_ADDRINFO *bai); 831int BIO_ADDRINFO_family(const BIO_ADDRINFO *bai); 832int BIO_ADDRINFO_socktype(const BIO_ADDRINFO *bai); 833int BIO_ADDRINFO_protocol(const BIO_ADDRINFO *bai); 834const BIO_ADDR *BIO_ADDRINFO_address(const BIO_ADDRINFO *bai); 835void BIO_ADDRINFO_free(BIO_ADDRINFO *bai); 836 837enum BIO_hostserv_priorities { 838 BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV 839}; 840int BIO_parse_hostserv(const char *hostserv, char **host, char **service, 841 enum BIO_hostserv_priorities hostserv_prio); 842enum BIO_lookup_type { 843 BIO_LOOKUP_CLIENT, BIO_LOOKUP_SERVER 844}; 845int BIO_lookup(const char *host, const char *service, 846 enum BIO_lookup_type lookup_type, 847 int family, int socktype, BIO_ADDRINFO **res); 848int BIO_lookup_ex(const char *host, const char *service, 849 int lookup_type, int family, int socktype, int protocol, 850 BIO_ADDRINFO **res); 851int BIO_sock_error(int sock); 852int BIO_socket_ioctl(int fd, long type, void *arg); 853int BIO_socket_nbio(int fd, int mode); 854int BIO_sock_init(void); 855# ifndef OPENSSL_NO_DEPRECATED_1_1_0 856# define BIO_sock_cleanup() while(0) continue 857# endif 858int BIO_set_tcp_ndelay(int sock, int turn_on); 859# ifndef OPENSSL_NO_DEPRECATED_1_1_0 860OSSL_DEPRECATEDIN_1_1_0 struct hostent *BIO_gethostbyname(const char *name); 861OSSL_DEPRECATEDIN_1_1_0 int BIO_get_port(const char *str, unsigned short *port_ptr); 862OSSL_DEPRECATEDIN_1_1_0 int BIO_get_host_ip(const char *str, unsigned char *ip); 863OSSL_DEPRECATEDIN_1_1_0 int BIO_get_accept_socket(char *host_port, int mode); 864OSSL_DEPRECATEDIN_1_1_0 int BIO_accept(int sock, char **ip_port); 865# endif 866 867union BIO_sock_info_u { 868 BIO_ADDR *addr; 869}; 870enum BIO_sock_info_type { 871 BIO_SOCK_INFO_ADDRESS 872}; 873int BIO_sock_info(int sock, 874 enum BIO_sock_info_type type, union BIO_sock_info_u *info); 875 876# define BIO_SOCK_REUSEADDR 0x01 877# define BIO_SOCK_V6_ONLY 0x02 878# define BIO_SOCK_KEEPALIVE 0x04 879# define BIO_SOCK_NONBLOCK 0x08 880# define BIO_SOCK_NODELAY 0x10 881# define BIO_SOCK_TFO 0x20 882 883int BIO_socket(int domain, int socktype, int protocol, int options); 884int BIO_connect(int sock, const BIO_ADDR *addr, int options); 885int BIO_bind(int sock, const BIO_ADDR *addr, int options); 886int BIO_listen(int sock, const BIO_ADDR *addr, int options); 887int BIO_accept_ex(int accept_sock, BIO_ADDR *addr, int options); 888int BIO_closesocket(int sock); 889 890BIO *BIO_new_socket(int sock, int close_flag); 891BIO *BIO_new_connect(const char *host_port); 892BIO *BIO_new_accept(const char *host_port); 893# endif /* OPENSSL_NO_SOCK*/ 894 895BIO *BIO_new_fd(int fd, int close_flag); 896 897int BIO_new_bio_pair(BIO **bio1, size_t writebuf1, 898 BIO **bio2, size_t writebuf2); 899# ifndef OPENSSL_NO_DGRAM 900int BIO_new_bio_dgram_pair(BIO **bio1, size_t writebuf1, 901 BIO **bio2, size_t writebuf2); 902# endif 903 904/* 905 * If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints. 906 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. Size 0 uses default 907 * value. 908 */ 909 910void BIO_copy_next_retry(BIO *b); 911 912/* 913 * long BIO_ghbn_ctrl(int cmd,int iarg,char *parg); 914 */ 915 916# define ossl_bio__attr__(x) 917# if defined(__GNUC__) && defined(__STDC_VERSION__) \ 918 && !defined(__MINGW32__) && !defined(__MINGW64__) \ 919 && !defined(__APPLE__) 920 /* 921 * Because we support the 'z' modifier, which made its appearance in C99, 922 * we can't use __attribute__ with pre C99 dialects. 923 */ 924# if __STDC_VERSION__ >= 199901L 925# undef ossl_bio__attr__ 926# define ossl_bio__attr__ __attribute__ 927# if __GNUC__*10 + __GNUC_MINOR__ >= 44 928# define ossl_bio__printf__ __gnu_printf__ 929# else 930# define ossl_bio__printf__ __printf__ 931# endif 932# endif 933# endif 934int BIO_printf(BIO *bio, const char *format, ...) 935ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 3))); 936int BIO_vprintf(BIO *bio, const char *format, va_list args) 937ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 0))); 938int BIO_snprintf(char *buf, size_t n, const char *format, ...) 939ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 4))); 940int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) 941ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 0))); 942# undef ossl_bio__attr__ 943# undef ossl_bio__printf__ 944 945 946BIO_METHOD *BIO_meth_new(int type, const char *name); 947void BIO_meth_free(BIO_METHOD *biom); 948int BIO_meth_set_write(BIO_METHOD *biom, 949 int (*write) (BIO *, const char *, int)); 950int BIO_meth_set_write_ex(BIO_METHOD *biom, 951 int (*bwrite) (BIO *, const char *, size_t, size_t *)); 952int BIO_meth_set_sendmmsg(BIO_METHOD *biom, 953 int (*f) (BIO *, BIO_MSG *, size_t, size_t, 954 uint64_t, size_t *)); 955int BIO_meth_set_read(BIO_METHOD *biom, 956 int (*read) (BIO *, char *, int)); 957int BIO_meth_set_read_ex(BIO_METHOD *biom, 958 int (*bread) (BIO *, char *, size_t, size_t *)); 959int BIO_meth_set_recvmmsg(BIO_METHOD *biom, 960 int (*f) (BIO *, BIO_MSG *, size_t, size_t, 961 uint64_t, size_t *)); 962int BIO_meth_set_puts(BIO_METHOD *biom, 963 int (*puts) (BIO *, const char *)); 964int BIO_meth_set_gets(BIO_METHOD *biom, 965 int (*ossl_gets) (BIO *, char *, int)); 966int BIO_meth_set_ctrl(BIO_METHOD *biom, 967 long (*ctrl) (BIO *, int, long, void *)); 968int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *)); 969int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *)); 970int BIO_meth_set_callback_ctrl(BIO_METHOD *biom, 971 long (*callback_ctrl) (BIO *, int, 972 BIO_info_cb *)); 973# ifndef OPENSSL_NO_DEPRECATED_3_5 974OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_write(const BIO_METHOD *biom)) (BIO *, const char *, 975 int); 976OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_write_ex(const BIO_METHOD *biom)) (BIO *, const char *, 977 size_t, size_t *); 978OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_sendmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, 979 size_t, size_t, 980 uint64_t, size_t *); 981OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_read(const BIO_METHOD *biom)) (BIO *, char *, int); 982OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_read_ex(const BIO_METHOD *biom)) (BIO *, char *, 983 size_t, size_t *); 984OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_recvmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, 985 size_t, size_t, 986 uint64_t, size_t *); 987OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *); 988OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int); 989OSSL_DEPRECATEDIN_3_5 long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, 990 long, void *); 991OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_create(const BIO_METHOD *bion)) (BIO *); 992OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *); 993OSSL_DEPRECATEDIN_3_5 long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom)) (BIO *, int, 994 BIO_info_cb *); 995# endif 996# ifdef __cplusplus 997} 998# endif 999#endif 1000