1/* 2 * {- join("\n * ", @autowarntext) -} 3 * 4 * Copyright 1995-2024 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 93 197 198# define BIO_DGRAM_CAP_NONE 0U 199# define BIO_DGRAM_CAP_HANDLES_SRC_ADDR (1U << 0) 200# define BIO_DGRAM_CAP_HANDLES_DST_ADDR (1U << 1) 201# define BIO_DGRAM_CAP_PROVIDES_SRC_ADDR (1U << 2) 202# define BIO_DGRAM_CAP_PROVIDES_DST_ADDR (1U << 3) 203 204# ifndef OPENSSL_NO_KTLS 205# define BIO_get_ktls_send(b) \ 206 (BIO_ctrl(b, BIO_CTRL_GET_KTLS_SEND, 0, NULL) > 0) 207# define BIO_get_ktls_recv(b) \ 208 (BIO_ctrl(b, BIO_CTRL_GET_KTLS_RECV, 0, NULL) > 0) 209# else 210# define BIO_get_ktls_send(b) (0) 211# define BIO_get_ktls_recv(b) (0) 212# endif 213 214/* modifiers */ 215# define BIO_FP_READ 0x02 216# define BIO_FP_WRITE 0x04 217# define BIO_FP_APPEND 0x08 218# define BIO_FP_TEXT 0x10 219 220# define BIO_FLAGS_READ 0x01 221# define BIO_FLAGS_WRITE 0x02 222# define BIO_FLAGS_IO_SPECIAL 0x04 223# define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL) 224# define BIO_FLAGS_SHOULD_RETRY 0x08 225# ifndef OPENSSL_NO_DEPRECATED_3_0 226/* This #define was replaced by an internal constant and should not be used. */ 227# define BIO_FLAGS_UPLINK 0 228# endif 229 230# define BIO_FLAGS_BASE64_NO_NL 0x100 231 232/* 233 * This is used with memory BIOs: 234 * BIO_FLAGS_MEM_RDONLY means we shouldn't free up or change the data in any way; 235 * BIO_FLAGS_NONCLEAR_RST means we shouldn't clear data on reset. 236 */ 237# define BIO_FLAGS_MEM_RDONLY 0x200 238# define BIO_FLAGS_NONCLEAR_RST 0x400 239# define BIO_FLAGS_IN_EOF 0x800 240 241/* the BIO FLAGS values 0x1000 to 0x8000 are reserved for internal KTLS flags */ 242 243typedef union bio_addr_st BIO_ADDR; 244typedef struct bio_addrinfo_st BIO_ADDRINFO; 245 246int BIO_get_new_index(void); 247void BIO_set_flags(BIO *b, int flags); 248int BIO_test_flags(const BIO *b, int flags); 249void BIO_clear_flags(BIO *b, int flags); 250 251# define BIO_get_flags(b) BIO_test_flags(b, ~(0x0)) 252# define BIO_set_retry_special(b) \ 253 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY)) 254# define BIO_set_retry_read(b) \ 255 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY)) 256# define BIO_set_retry_write(b) \ 257 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY)) 258 259/* These are normally used internally in BIOs */ 260# define BIO_clear_retry_flags(b) \ 261 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) 262# define BIO_get_retry_flags(b) \ 263 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) 264 265/* These should be used by the application to tell why we should retry */ 266# define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ) 267# define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE) 268# define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL) 269# define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS) 270# define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY) 271 272/* 273 * The next three are used in conjunction with the BIO_should_io_special() 274 * condition. After this returns true, BIO *BIO_get_retry_BIO(BIO *bio, int 275 * *reason); will walk the BIO stack and return the 'reason' for the special 276 * and the offending BIO. Given a BIO, BIO_get_retry_reason(bio) will return 277 * the code. 278 */ 279/* 280 * Returned from the SSL bio when the certificate retrieval code had an error 281 */ 282# define BIO_RR_SSL_X509_LOOKUP 0x01 283/* Returned from the connect BIO when a connect would have blocked */ 284# define BIO_RR_CONNECT 0x02 285/* Returned from the accept BIO when an accept would have blocked */ 286# define BIO_RR_ACCEPT 0x03 287 288/* These are passed by the BIO callback */ 289# define BIO_CB_FREE 0x01 290# define BIO_CB_READ 0x02 291# define BIO_CB_WRITE 0x03 292# define BIO_CB_PUTS 0x04 293# define BIO_CB_GETS 0x05 294# define BIO_CB_CTRL 0x06 295# define BIO_CB_RECVMMSG 0x07 296# define BIO_CB_SENDMMSG 0x08 297 298/* 299 * The callback is called before and after the underling operation, The 300 * BIO_CB_RETURN flag indicates if it is after the call 301 */ 302# define BIO_CB_RETURN 0x80 303# define BIO_CB_return(a) ((a)|BIO_CB_RETURN) 304# define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN)) 305# define BIO_cb_post(a) ((a)&BIO_CB_RETURN) 306 307# ifndef OPENSSL_NO_DEPRECATED_3_0 308typedef long (*BIO_callback_fn)(BIO *b, int oper, const char *argp, int argi, 309 long argl, long ret); 310OSSL_DEPRECATEDIN_3_0 BIO_callback_fn BIO_get_callback(const BIO *b); 311OSSL_DEPRECATEDIN_3_0 void BIO_set_callback(BIO *b, BIO_callback_fn callback); 312OSSL_DEPRECATEDIN_3_0 long BIO_debug_callback(BIO *bio, int cmd, 313 const char *argp, int argi, 314 long argl, long ret); 315# endif 316 317typedef long (*BIO_callback_fn_ex)(BIO *b, int oper, const char *argp, 318 size_t len, int argi, 319 long argl, int ret, size_t *processed); 320BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b); 321void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex callback); 322long BIO_debug_callback_ex(BIO *bio, int oper, const char *argp, size_t len, 323 int argi, long argl, int ret, size_t *processed); 324 325char *BIO_get_callback_arg(const BIO *b); 326void BIO_set_callback_arg(BIO *b, char *arg); 327 328typedef struct bio_method_st BIO_METHOD; 329 330const char *BIO_method_name(const BIO *b); 331int BIO_method_type(const BIO *b); 332 333typedef int BIO_info_cb(BIO *, int, int); 334typedef BIO_info_cb bio_info_cb; /* backward compatibility */ 335 336{- 337 generate_stack_macros("BIO"); 338-} 339 340 341/* Prefix and suffix callback in ASN1 BIO */ 342typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen, 343 void *parg); 344 345typedef void (*BIO_dgram_sctp_notification_handler_fn) (BIO *b, 346 void *context, 347 void *buf); 348# ifndef OPENSSL_NO_SCTP 349/* SCTP parameter structs */ 350struct bio_dgram_sctp_sndinfo { 351 uint16_t snd_sid; 352 uint16_t snd_flags; 353 uint32_t snd_ppid; 354 uint32_t snd_context; 355}; 356 357struct bio_dgram_sctp_rcvinfo { 358 uint16_t rcv_sid; 359 uint16_t rcv_ssn; 360 uint16_t rcv_flags; 361 uint32_t rcv_ppid; 362 uint32_t rcv_tsn; 363 uint32_t rcv_cumtsn; 364 uint32_t rcv_context; 365}; 366 367struct bio_dgram_sctp_prinfo { 368 uint16_t pr_policy; 369 uint32_t pr_value; 370}; 371# endif 372 373/* BIO_sendmmsg/BIO_recvmmsg-related definitions */ 374typedef struct bio_msg_st { 375 void *data; 376 size_t data_len; 377 BIO_ADDR *peer, *local; 378 uint64_t flags; 379} BIO_MSG; 380 381typedef struct bio_mmsg_cb_args_st { 382 BIO_MSG *msg; 383 size_t stride, num_msg; 384 uint64_t flags; 385 size_t *msgs_processed; 386} BIO_MMSG_CB_ARGS; 387 388#define BIO_POLL_DESCRIPTOR_TYPE_NONE 0 389#define BIO_POLL_DESCRIPTOR_TYPE_SOCK_FD 1 390#define BIO_POLL_DESCRIPTOR_TYPE_SSL 2 391#define BIO_POLL_DESCRIPTOR_CUSTOM_START 8192 392 393typedef struct bio_poll_descriptor_st { 394 uint32_t type; 395 union { 396 int fd; 397 void *custom; 398 uintptr_t custom_ui; 399 SSL *ssl; 400 } value; 401} BIO_POLL_DESCRIPTOR; 402 403/* 404 * #define BIO_CONN_get_param_hostname BIO_ctrl 405 */ 406 407# define BIO_C_SET_CONNECT 100 408# define BIO_C_DO_STATE_MACHINE 101 409# define BIO_C_SET_NBIO 102 410/* # define BIO_C_SET_PROXY_PARAM 103 */ 411# define BIO_C_SET_FD 104 412# define BIO_C_GET_FD 105 413# define BIO_C_SET_FILE_PTR 106 414# define BIO_C_GET_FILE_PTR 107 415# define BIO_C_SET_FILENAME 108 416# define BIO_C_SET_SSL 109 417# define BIO_C_GET_SSL 110 418# define BIO_C_SET_MD 111 419# define BIO_C_GET_MD 112 420# define BIO_C_GET_CIPHER_STATUS 113 421# define BIO_C_SET_BUF_MEM 114 422# define BIO_C_GET_BUF_MEM_PTR 115 423# define BIO_C_GET_BUFF_NUM_LINES 116 424# define BIO_C_SET_BUFF_SIZE 117 425# define BIO_C_SET_ACCEPT 118 426# define BIO_C_SSL_MODE 119 427# define BIO_C_GET_MD_CTX 120 428/* # define BIO_C_GET_PROXY_PARAM 121 */ 429# define BIO_C_SET_BUFF_READ_DATA 122/* data to read first */ 430# define BIO_C_GET_CONNECT 123 431# define BIO_C_GET_ACCEPT 124 432# define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125 433# define BIO_C_GET_SSL_NUM_RENEGOTIATES 126 434# define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127 435# define BIO_C_FILE_SEEK 128 436# define BIO_C_GET_CIPHER_CTX 129 437# define BIO_C_SET_BUF_MEM_EOF_RETURN 130/* return end of input 438 * value */ 439# define BIO_C_SET_BIND_MODE 131 440# define BIO_C_GET_BIND_MODE 132 441# define BIO_C_FILE_TELL 133 442# define BIO_C_GET_SOCKS 134 443# define BIO_C_SET_SOCKS 135 444 445# define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */ 446# define BIO_C_GET_WRITE_BUF_SIZE 137 447# define BIO_C_MAKE_BIO_PAIR 138 448# define BIO_C_DESTROY_BIO_PAIR 139 449# define BIO_C_GET_WRITE_GUARANTEE 140 450# define BIO_C_GET_READ_REQUEST 141 451# define BIO_C_SHUTDOWN_WR 142 452# define BIO_C_NREAD0 143 453# define BIO_C_NREAD 144 454# define BIO_C_NWRITE0 145 455# define BIO_C_NWRITE 146 456# define BIO_C_RESET_READ_REQUEST 147 457# define BIO_C_SET_MD_CTX 148 458 459# define BIO_C_SET_PREFIX 149 460# define BIO_C_GET_PREFIX 150 461# define BIO_C_SET_SUFFIX 151 462# define BIO_C_GET_SUFFIX 152 463 464# define BIO_C_SET_EX_ARG 153 465# define BIO_C_GET_EX_ARG 154 466 467# define BIO_C_SET_CONNECT_MODE 155 468 469# define BIO_C_SET_TFO 156 /* like BIO_C_SET_NBIO */ 470 471# define BIO_C_SET_SOCK_TYPE 157 472# define BIO_C_GET_SOCK_TYPE 158 473# define BIO_C_GET_DGRAM_BIO 159 474 475# define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg) 476# define BIO_get_app_data(s) BIO_get_ex_data(s,0) 477 478# define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) 479# define BIO_set_tfo(b,n) BIO_ctrl(b,BIO_C_SET_TFO,(n),NULL) 480 481# ifndef OPENSSL_NO_SOCK 482/* IP families we support, for BIO_s_connect() and BIO_s_accept() */ 483/* Note: the underlying operating system may not support some of them */ 484# define BIO_FAMILY_IPV4 4 485# define BIO_FAMILY_IPV6 6 486# define BIO_FAMILY_IPANY 256 487 488/* BIO_s_connect() */ 489# define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0, \ 490 (char *)(name)) 491# define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1, \ 492 (char *)(port)) 493# define BIO_set_conn_address(b,addr) BIO_ctrl(b,BIO_C_SET_CONNECT,2, \ 494 (char *)(addr)) 495# define BIO_set_conn_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,f) 496# define BIO_get_conn_hostname(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)) 497# define BIO_get_conn_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)) 498# define BIO_get_conn_address(b) ((const BIO_ADDR *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)) 499# define BIO_get_conn_ip_family(b) BIO_ctrl(b,BIO_C_GET_CONNECT,3,NULL) 500# define BIO_get_conn_mode(b) BIO_ctrl(b,BIO_C_GET_CONNECT,4,NULL) 501# define BIO_set_conn_mode(b,n) BIO_ctrl(b,BIO_C_SET_CONNECT_MODE,(n),NULL) 502# define BIO_set_sock_type(b,t) BIO_ctrl(b,BIO_C_SET_SOCK_TYPE,(t),NULL) 503# define BIO_get_sock_type(b) BIO_ctrl(b,BIO_C_GET_SOCK_TYPE,0,NULL) 504# define BIO_get0_dgram_bio(b, p) BIO_ctrl(b,BIO_C_GET_DGRAM_BIO,0,(void *)(BIO **)(p)) 505 506/* BIO_s_accept() */ 507# define BIO_set_accept_name(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0, \ 508 (char *)(name)) 509# define BIO_set_accept_port(b,port) BIO_ctrl(b,BIO_C_SET_ACCEPT,1, \ 510 (char *)(port)) 511# define BIO_get_accept_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)) 512# define BIO_get_accept_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,1)) 513# define BIO_get_peer_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,2)) 514# define BIO_get_peer_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,3)) 515/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */ 516# define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(n)?(void *)"a":NULL) 517# define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,3, \ 518 (char *)(bio)) 519# define BIO_set_accept_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_ACCEPT,4,f) 520# define BIO_get_accept_ip_family(b) BIO_ctrl(b,BIO_C_GET_ACCEPT,4,NULL) 521# define BIO_set_tfo_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,5,(n)?(void *)"a":NULL) 522 523/* Aliases kept for backward compatibility */ 524# define BIO_BIND_NORMAL 0 525# define BIO_BIND_REUSEADDR BIO_SOCK_REUSEADDR 526# define BIO_BIND_REUSEADDR_IF_UNUSED BIO_SOCK_REUSEADDR 527# define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL) 528# define BIO_get_bind_mode(b) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL) 529# endif /* OPENSSL_NO_SOCK */ 530 531# define BIO_do_connect(b) BIO_do_handshake(b) 532# define BIO_do_accept(b) BIO_do_handshake(b) 533 534# define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL) 535 536/* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */ 537# define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd) 538# define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)(c)) 539 540/* BIO_s_file() */ 541# define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)(fp)) 542# define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)(fpp)) 543 544/* BIO_s_fd() and BIO_s_file() */ 545# define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL) 546# define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL) 547 548/* 549 * name is cast to lose const, but might be better to route through a 550 * function so we can do it safely 551 */ 552# ifdef CONST_STRICT 553/* 554 * If you are wondering why this isn't defined, its because CONST_STRICT is 555 * purely a compile-time kludge to allow const to be checked. 556 */ 557int BIO_read_filename(BIO *b, const char *name); 558# else 559# define BIO_read_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 560 BIO_CLOSE|BIO_FP_READ,(char *)(name)) 561# endif 562# define BIO_write_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 563 BIO_CLOSE|BIO_FP_WRITE,name) 564# define BIO_append_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 565 BIO_CLOSE|BIO_FP_APPEND,name) 566# define BIO_rw_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 567 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name) 568 569/* 570 * WARNING WARNING, this ups the reference count on the read bio of the SSL 571 * structure. This is because the ssl read BIO is now pointed to by the 572 * next_bio field in the bio. So when you free the BIO, make sure you are 573 * doing a BIO_free_all() to catch the underlying BIO. 574 */ 575# define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)(ssl)) 576# define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)(sslp)) 577# define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL) 578# define BIO_set_ssl_renegotiate_bytes(b,num) \ 579 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL) 580# define BIO_get_num_renegotiates(b) \ 581 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL) 582# define BIO_set_ssl_renegotiate_timeout(b,seconds) \ 583 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL) 584 585/* defined in evp.h */ 586/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)(md)) */ 587 588# define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)(pp)) 589# define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)(bm)) 590# define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0, \ 591 (char *)(pp)) 592# define BIO_set_mem_eof_return(b,v) \ 593 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL) 594 595/* For the BIO_f_buffer() type */ 596# define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL) 597# define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL) 598# define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0) 599# define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1) 600# define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf) 601 602/* Don't use the next one unless you know what you are doing :-) */ 603# define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret)) 604 605# define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL) 606# define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL) 607# define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL) 608# define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL) 609# define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL) 610# define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL) 611/* ...pending macros have inappropriate return type */ 612size_t BIO_ctrl_pending(BIO *b); 613size_t BIO_ctrl_wpending(BIO *b); 614# define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL) 615# define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \ 616 cbp) 617# define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb) 618 619/* For the BIO_f_buffer() type */ 620# define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL) 621# define BIO_buffer_peek(b,s,l) BIO_ctrl(b,BIO_CTRL_PEEK,(l),(s)) 622 623/* For BIO_s_bio() */ 624# define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL) 625# define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL) 626# define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2) 627# define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL) 628# define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL) 629/* macros with inappropriate type -- but ...pending macros use int too: */ 630# define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL) 631# define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL) 632size_t BIO_ctrl_get_write_guarantee(BIO *b); 633size_t BIO_ctrl_get_read_request(BIO *b); 634int BIO_ctrl_reset_read_request(BIO *b); 635 636/* ctrl macros for dgram */ 637# define BIO_ctrl_dgram_connect(b,peer) \ 638 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)(peer)) 639# define BIO_ctrl_set_connected(b,peer) \ 640 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, 0, (char *)(peer)) 641# define BIO_dgram_recv_timedout(b) \ 642 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL) 643# define BIO_dgram_send_timedout(b) \ 644 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL) 645# define BIO_dgram_get_peer(b,peer) \ 646 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)(peer)) 647# define BIO_dgram_set_peer(b,peer) \ 648 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)(peer)) 649# define BIO_dgram_detect_peer_addr(b,peer) \ 650 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_DETECT_PEER_ADDR, 0, (char *)(peer)) 651# define BIO_dgram_get_mtu_overhead(b) \ 652 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL) 653# define BIO_dgram_get_local_addr_cap(b) \ 654 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_LOCAL_ADDR_CAP, 0, NULL) 655# define BIO_dgram_get_local_addr_enable(b, penable) \ 656 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_LOCAL_ADDR_ENABLE, 0, (char *)(penable)) 657# define BIO_dgram_set_local_addr_enable(b, enable) \ 658 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_LOCAL_ADDR_ENABLE, (enable), NULL) 659# define BIO_dgram_get_effective_caps(b) \ 660 (uint32_t)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_EFFECTIVE_CAPS, 0, NULL) 661# define BIO_dgram_get_caps(b) \ 662 (uint32_t)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_CAPS, 0, NULL) 663# define BIO_dgram_set_caps(b, caps) \ 664 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_CAPS, (long)(caps), NULL) 665# define BIO_dgram_get_no_trunc(b) \ 666 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_NO_TRUNC, 0, NULL) 667# define BIO_dgram_set_no_trunc(b, enable) \ 668 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_NO_TRUNC, (enable), NULL) 669# define BIO_dgram_get_mtu(b) \ 670 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU, 0, NULL) 671# define BIO_dgram_set_mtu(b, mtu) \ 672 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_MTU, (mtu), NULL) 673 674/* ctrl macros for BIO_f_prefix */ 675# define BIO_set_prefix(b,p) BIO_ctrl((b), BIO_CTRL_SET_PREFIX, 0, (void *)(p)) 676# define BIO_set_indent(b,i) BIO_ctrl((b), BIO_CTRL_SET_INDENT, (i), NULL) 677# define BIO_get_indent(b) BIO_ctrl((b), BIO_CTRL_GET_INDENT, 0, NULL) 678 679#define BIO_get_ex_new_index(l, p, newf, dupf, freef) \ 680 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, l, p, newf, dupf, freef) 681int BIO_set_ex_data(BIO *bio, int idx, void *data); 682void *BIO_get_ex_data(const BIO *bio, int idx); 683uint64_t BIO_number_read(BIO *bio); 684uint64_t BIO_number_written(BIO *bio); 685 686/* For BIO_f_asn1() */ 687int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix, 688 asn1_ps_func *prefix_free); 689int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix, 690 asn1_ps_func **pprefix_free); 691int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix, 692 asn1_ps_func *suffix_free); 693int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix, 694 asn1_ps_func **psuffix_free); 695 696const BIO_METHOD *BIO_s_file(void); 697BIO *BIO_new_file(const char *filename, const char *mode); 698BIO *BIO_new_from_core_bio(OSSL_LIB_CTX *libctx, OSSL_CORE_BIO *corebio); 699# ifndef OPENSSL_NO_STDIO 700BIO *BIO_new_fp(FILE *stream, int close_flag); 701# endif 702BIO *BIO_new_ex(OSSL_LIB_CTX *libctx, const BIO_METHOD *method); 703BIO *BIO_new(const BIO_METHOD *type); 704int BIO_free(BIO *a); 705void BIO_set_data(BIO *a, void *ptr); 706void *BIO_get_data(BIO *a); 707void BIO_set_init(BIO *a, int init); 708int BIO_get_init(BIO *a); 709void BIO_set_shutdown(BIO *a, int shut); 710int BIO_get_shutdown(BIO *a); 711void BIO_vfree(BIO *a); 712int BIO_up_ref(BIO *a); 713int BIO_read(BIO *b, void *data, int dlen); 714int BIO_read_ex(BIO *b, void *data, size_t dlen, size_t *readbytes); 715__owur int BIO_recvmmsg(BIO *b, BIO_MSG *msg, 716 size_t stride, size_t num_msg, uint64_t flags, 717 size_t *msgs_processed); 718int BIO_gets(BIO *bp, char *buf, int size); 719int BIO_get_line(BIO *bio, char *buf, int size); 720int BIO_write(BIO *b, const void *data, int dlen); 721int BIO_write_ex(BIO *b, const void *data, size_t dlen, size_t *written); 722__owur int BIO_sendmmsg(BIO *b, BIO_MSG *msg, 723 size_t stride, size_t num_msg, uint64_t flags, 724 size_t *msgs_processed); 725__owur int BIO_get_rpoll_descriptor(BIO *b, BIO_POLL_DESCRIPTOR *desc); 726__owur int BIO_get_wpoll_descriptor(BIO *b, BIO_POLL_DESCRIPTOR *desc); 727int BIO_puts(BIO *bp, const char *buf); 728int BIO_indent(BIO *b, int indent, int max); 729long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg); 730long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp); 731void *BIO_ptr_ctrl(BIO *bp, int cmd, long larg); 732long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg); 733BIO *BIO_push(BIO *b, BIO *append); 734BIO *BIO_pop(BIO *b); 735void BIO_free_all(BIO *a); 736BIO *BIO_find_type(BIO *b, int bio_type); 737BIO *BIO_next(BIO *b); 738void BIO_set_next(BIO *b, BIO *next); 739BIO *BIO_get_retry_BIO(BIO *bio, int *reason); 740int BIO_get_retry_reason(BIO *bio); 741void BIO_set_retry_reason(BIO *bio, int reason); 742BIO *BIO_dup_chain(BIO *in); 743 744int BIO_nread0(BIO *bio, char **buf); 745int BIO_nread(BIO *bio, char **buf, int num); 746int BIO_nwrite0(BIO *bio, char **buf); 747int BIO_nwrite(BIO *bio, char **buf, int num); 748 749const BIO_METHOD *BIO_s_mem(void); 750# ifndef OPENSSL_NO_DGRAM 751const BIO_METHOD *BIO_s_dgram_mem(void); 752# endif 753const BIO_METHOD *BIO_s_secmem(void); 754BIO *BIO_new_mem_buf(const void *buf, int len); 755# ifndef OPENSSL_NO_SOCK 756const BIO_METHOD *BIO_s_socket(void); 757const BIO_METHOD *BIO_s_connect(void); 758const BIO_METHOD *BIO_s_accept(void); 759# endif 760const BIO_METHOD *BIO_s_fd(void); 761const BIO_METHOD *BIO_s_log(void); 762const BIO_METHOD *BIO_s_bio(void); 763const BIO_METHOD *BIO_s_null(void); 764const BIO_METHOD *BIO_f_null(void); 765const BIO_METHOD *BIO_f_buffer(void); 766const BIO_METHOD *BIO_f_readbuffer(void); 767const BIO_METHOD *BIO_f_linebuffer(void); 768const BIO_METHOD *BIO_f_nbio_test(void); 769const BIO_METHOD *BIO_f_prefix(void); 770const BIO_METHOD *BIO_s_core(void); 771# ifndef OPENSSL_NO_DGRAM 772const BIO_METHOD *BIO_s_dgram_pair(void); 773const BIO_METHOD *BIO_s_datagram(void); 774int BIO_dgram_non_fatal_error(int error); 775BIO *BIO_new_dgram(int fd, int close_flag); 776# ifndef OPENSSL_NO_SCTP 777const BIO_METHOD *BIO_s_datagram_sctp(void); 778BIO *BIO_new_dgram_sctp(int fd, int close_flag); 779int BIO_dgram_is_sctp(BIO *bio); 780int BIO_dgram_sctp_notification_cb(BIO *b, 781 BIO_dgram_sctp_notification_handler_fn handle_notifications, 782 void *context); 783int BIO_dgram_sctp_wait_for_dry(BIO *b); 784int BIO_dgram_sctp_msg_waiting(BIO *b); 785# endif 786# endif 787 788# ifndef OPENSSL_NO_SOCK 789int BIO_sock_should_retry(int i); 790int BIO_sock_non_fatal_error(int error); 791int BIO_err_is_non_fatal(unsigned int errcode); 792int BIO_socket_wait(int fd, int for_read, time_t max_time); 793# endif 794int BIO_wait(BIO *bio, time_t max_time, unsigned int nap_milliseconds); 795int BIO_do_connect_retry(BIO *bio, int timeout, int nap_milliseconds); 796 797int BIO_fd_should_retry(int i); 798int BIO_fd_non_fatal_error(int error); 799int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u), 800 void *u, const void *s, int len); 801int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), 802 void *u, const void *s, int len, int indent); 803int BIO_dump(BIO *b, const void *bytes, int len); 804int BIO_dump_indent(BIO *b, const void *bytes, int len, int indent); 805# ifndef OPENSSL_NO_STDIO 806int BIO_dump_fp(FILE *fp, const void *s, int len); 807int BIO_dump_indent_fp(FILE *fp, const void *s, int len, int indent); 808# endif 809int BIO_hex_string(BIO *out, int indent, int width, const void *data, 810 int datalen); 811 812# ifndef OPENSSL_NO_SOCK 813BIO_ADDR *BIO_ADDR_new(void); 814int BIO_ADDR_copy(BIO_ADDR *dst, const BIO_ADDR *src); 815BIO_ADDR *BIO_ADDR_dup(const BIO_ADDR *ap); 816int BIO_ADDR_rawmake(BIO_ADDR *ap, int family, 817 const void *where, size_t wherelen, unsigned short port); 818void BIO_ADDR_free(BIO_ADDR *); 819void BIO_ADDR_clear(BIO_ADDR *ap); 820int BIO_ADDR_family(const BIO_ADDR *ap); 821int BIO_ADDR_rawaddress(const BIO_ADDR *ap, void *p, size_t *l); 822unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap); 823char *BIO_ADDR_hostname_string(const BIO_ADDR *ap, int numeric); 824char *BIO_ADDR_service_string(const BIO_ADDR *ap, int numeric); 825char *BIO_ADDR_path_string(const BIO_ADDR *ap); 826 827const BIO_ADDRINFO *BIO_ADDRINFO_next(const BIO_ADDRINFO *bai); 828int BIO_ADDRINFO_family(const BIO_ADDRINFO *bai); 829int BIO_ADDRINFO_socktype(const BIO_ADDRINFO *bai); 830int BIO_ADDRINFO_protocol(const BIO_ADDRINFO *bai); 831const BIO_ADDR *BIO_ADDRINFO_address(const BIO_ADDRINFO *bai); 832void BIO_ADDRINFO_free(BIO_ADDRINFO *bai); 833 834enum BIO_hostserv_priorities { 835 BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV 836}; 837int BIO_parse_hostserv(const char *hostserv, char **host, char **service, 838 enum BIO_hostserv_priorities hostserv_prio); 839enum BIO_lookup_type { 840 BIO_LOOKUP_CLIENT, BIO_LOOKUP_SERVER 841}; 842int BIO_lookup(const char *host, const char *service, 843 enum BIO_lookup_type lookup_type, 844 int family, int socktype, BIO_ADDRINFO **res); 845int BIO_lookup_ex(const char *host, const char *service, 846 int lookup_type, int family, int socktype, int protocol, 847 BIO_ADDRINFO **res); 848int BIO_sock_error(int sock); 849int BIO_socket_ioctl(int fd, long type, void *arg); 850int BIO_socket_nbio(int fd, int mode); 851int BIO_sock_init(void); 852# ifndef OPENSSL_NO_DEPRECATED_1_1_0 853# define BIO_sock_cleanup() while(0) continue 854# endif 855int BIO_set_tcp_ndelay(int sock, int turn_on); 856# ifndef OPENSSL_NO_DEPRECATED_1_1_0 857OSSL_DEPRECATEDIN_1_1_0 struct hostent *BIO_gethostbyname(const char *name); 858OSSL_DEPRECATEDIN_1_1_0 int BIO_get_port(const char *str, unsigned short *port_ptr); 859OSSL_DEPRECATEDIN_1_1_0 int BIO_get_host_ip(const char *str, unsigned char *ip); 860OSSL_DEPRECATEDIN_1_1_0 int BIO_get_accept_socket(char *host_port, int mode); 861OSSL_DEPRECATEDIN_1_1_0 int BIO_accept(int sock, char **ip_port); 862# endif 863 864union BIO_sock_info_u { 865 BIO_ADDR *addr; 866}; 867enum BIO_sock_info_type { 868 BIO_SOCK_INFO_ADDRESS 869}; 870int BIO_sock_info(int sock, 871 enum BIO_sock_info_type type, union BIO_sock_info_u *info); 872 873# define BIO_SOCK_REUSEADDR 0x01 874# define BIO_SOCK_V6_ONLY 0x02 875# define BIO_SOCK_KEEPALIVE 0x04 876# define BIO_SOCK_NONBLOCK 0x08 877# define BIO_SOCK_NODELAY 0x10 878# define BIO_SOCK_TFO 0x20 879 880int BIO_socket(int domain, int socktype, int protocol, int options); 881int BIO_connect(int sock, const BIO_ADDR *addr, int options); 882int BIO_bind(int sock, const BIO_ADDR *addr, int options); 883int BIO_listen(int sock, const BIO_ADDR *addr, int options); 884int BIO_accept_ex(int accept_sock, BIO_ADDR *addr, int options); 885int BIO_closesocket(int sock); 886 887BIO *BIO_new_socket(int sock, int close_flag); 888BIO *BIO_new_connect(const char *host_port); 889BIO *BIO_new_accept(const char *host_port); 890# endif /* OPENSSL_NO_SOCK*/ 891 892BIO *BIO_new_fd(int fd, int close_flag); 893 894int BIO_new_bio_pair(BIO **bio1, size_t writebuf1, 895 BIO **bio2, size_t writebuf2); 896# ifndef OPENSSL_NO_DGRAM 897int BIO_new_bio_dgram_pair(BIO **bio1, size_t writebuf1, 898 BIO **bio2, size_t writebuf2); 899# endif 900 901/* 902 * If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints. 903 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. Size 0 uses default 904 * value. 905 */ 906 907void BIO_copy_next_retry(BIO *b); 908 909/* 910 * long BIO_ghbn_ctrl(int cmd,int iarg,char *parg); 911 */ 912 913# define ossl_bio__attr__(x) 914# if defined(__GNUC__) && defined(__STDC_VERSION__) \ 915 && !defined(__MINGW32__) && !defined(__MINGW64__) \ 916 && !defined(__APPLE__) 917 /* 918 * Because we support the 'z' modifier, which made its appearance in C99, 919 * we can't use __attribute__ with pre C99 dialects. 920 */ 921# if __STDC_VERSION__ >= 199901L 922# undef ossl_bio__attr__ 923# define ossl_bio__attr__ __attribute__ 924# if __GNUC__*10 + __GNUC_MINOR__ >= 44 925# define ossl_bio__printf__ __gnu_printf__ 926# else 927# define ossl_bio__printf__ __printf__ 928# endif 929# endif 930# endif 931int BIO_printf(BIO *bio, const char *format, ...) 932ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 3))); 933int BIO_vprintf(BIO *bio, const char *format, va_list args) 934ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 0))); 935int BIO_snprintf(char *buf, size_t n, const char *format, ...) 936ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 4))); 937int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) 938ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 0))); 939# undef ossl_bio__attr__ 940# undef ossl_bio__printf__ 941 942 943BIO_METHOD *BIO_meth_new(int type, const char *name); 944void BIO_meth_free(BIO_METHOD *biom); 945int (*BIO_meth_get_write(const BIO_METHOD *biom)) (BIO *, const char *, int); 946int (*BIO_meth_get_write_ex(const BIO_METHOD *biom)) (BIO *, const char *, size_t, 947 size_t *); 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_get_sendmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, 956 size_t, size_t, 957 uint64_t, size_t *); 958int (*BIO_meth_get_read(const BIO_METHOD *biom)) (BIO *, char *, int); 959int (*BIO_meth_get_read_ex(const BIO_METHOD *biom)) (BIO *, char *, size_t, size_t *); 960int BIO_meth_set_read(BIO_METHOD *biom, 961 int (*read) (BIO *, char *, int)); 962int BIO_meth_set_read_ex(BIO_METHOD *biom, 963 int (*bread) (BIO *, char *, size_t, size_t *)); 964int BIO_meth_set_recvmmsg(BIO_METHOD *biom, 965 int (*f) (BIO *, BIO_MSG *, size_t, size_t, 966 uint64_t, size_t *)); 967int (*BIO_meth_get_recvmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, 968 size_t, size_t, 969 uint64_t, size_t *); 970int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *); 971int BIO_meth_set_puts(BIO_METHOD *biom, 972 int (*puts) (BIO *, const char *)); 973int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int); 974int BIO_meth_set_gets(BIO_METHOD *biom, 975 int (*ossl_gets) (BIO *, char *, int)); 976long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, long, void *); 977int BIO_meth_set_ctrl(BIO_METHOD *biom, 978 long (*ctrl) (BIO *, int, long, void *)); 979int (*BIO_meth_get_create(const BIO_METHOD *bion)) (BIO *); 980int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *)); 981int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *); 982int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *)); 983long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom)) 984 (BIO *, int, BIO_info_cb *); 985int BIO_meth_set_callback_ctrl(BIO_METHOD *biom, 986 long (*callback_ctrl) (BIO *, int, 987 BIO_info_cb *)); 988 989# ifdef __cplusplus 990} 991# endif 992#endif 993
