1 /* 2 * WARNING: do not edit! 3 * Generated by Makefile from include/openssl/bio.h.in 4 * 5 * Copyright 1995-2025 The OpenSSL Project Authors. All Rights Reserved. 6 * 7 * Licensed under the Apache License 2.0 (the "License"). You may not use 8 * this file except in compliance with the License. You can obtain a copy 9 * in the file LICENSE in the source distribution or at 10 * https://www.openssl.org/source/license.html 11 */ 12 13 14 #ifndef OPENSSL_BIO_H 15 # define OPENSSL_BIO_H 16 # pragma once 17 18 # include <openssl/macros.h> 19 # ifndef OPENSSL_NO_DEPRECATED_3_0 20 # define HEADER_BIO_H 21 # endif 22 23 # include <openssl/e_os2.h> 24 25 # ifndef OPENSSL_NO_STDIO 26 # include <stdio.h> 27 # endif 28 # include <stdarg.h> 29 30 # include <openssl/crypto.h> 31 # include <openssl/bioerr.h> 32 # include <openssl/core.h> 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /* There are the classes of BIOs */ 39 # define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */ 40 # define BIO_TYPE_FILTER 0x0200 41 # define BIO_TYPE_SOURCE_SINK 0x0400 42 43 /* These are the 'types' of BIOs */ 44 # define BIO_TYPE_NONE 0 45 # define BIO_TYPE_MEM ( 1|BIO_TYPE_SOURCE_SINK) 46 # define BIO_TYPE_FILE ( 2|BIO_TYPE_SOURCE_SINK) 47 48 # define BIO_TYPE_FD ( 4|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) 49 # define BIO_TYPE_SOCKET ( 5|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) 50 # define BIO_TYPE_NULL ( 6|BIO_TYPE_SOURCE_SINK) 51 # define BIO_TYPE_SSL ( 7|BIO_TYPE_FILTER) 52 # define BIO_TYPE_MD ( 8|BIO_TYPE_FILTER) 53 # define BIO_TYPE_BUFFER ( 9|BIO_TYPE_FILTER) 54 # define BIO_TYPE_CIPHER (10|BIO_TYPE_FILTER) 55 # define BIO_TYPE_BASE64 (11|BIO_TYPE_FILTER) 56 # define BIO_TYPE_CONNECT (12|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) 57 # define BIO_TYPE_ACCEPT (13|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) 58 59 # define BIO_TYPE_NBIO_TEST (16|BIO_TYPE_FILTER)/* server proxy BIO */ 60 # define BIO_TYPE_NULL_FILTER (17|BIO_TYPE_FILTER) 61 # define BIO_TYPE_BIO (19|BIO_TYPE_SOURCE_SINK)/* half a BIO pair */ 62 # define BIO_TYPE_LINEBUFFER (20|BIO_TYPE_FILTER) 63 # define BIO_TYPE_DGRAM (21|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) 64 # define BIO_TYPE_ASN1 (22|BIO_TYPE_FILTER) 65 # define BIO_TYPE_COMP (23|BIO_TYPE_FILTER) 66 # ifndef OPENSSL_NO_SCTP 67 # define BIO_TYPE_DGRAM_SCTP (24|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR) 68 # endif 69 # define BIO_TYPE_CORE_TO_PROV (25|BIO_TYPE_SOURCE_SINK) 70 # define BIO_TYPE_DGRAM_PAIR (26|BIO_TYPE_SOURCE_SINK) 71 # define BIO_TYPE_DGRAM_MEM (27|BIO_TYPE_SOURCE_SINK) 72 73 /* Custom type starting index returned by BIO_get_new_index() */ 74 #define BIO_TYPE_START 128 75 /* Custom type maximum index that can be returned by BIO_get_new_index() */ 76 #define BIO_TYPE_MASK 0xFF 77 78 /* 79 * BIO_FILENAME_READ|BIO_CLOSE to open or close on free. 80 * BIO_set_fp(in,stdin,BIO_NOCLOSE); 81 */ 82 # define BIO_NOCLOSE 0x00 83 # define BIO_CLOSE 0x01 84 85 /* 86 * These are used in the following macros and are passed to BIO_ctrl() 87 */ 88 # define BIO_CTRL_RESET 1/* opt - rewind/zero etc */ 89 # define BIO_CTRL_EOF 2/* opt - are we at the eof */ 90 # define BIO_CTRL_INFO 3/* opt - extra tit-bits */ 91 # define BIO_CTRL_SET 4/* man - set the 'IO' type */ 92 # define BIO_CTRL_GET 5/* man - get the 'IO' type */ 93 # define BIO_CTRL_PUSH 6/* opt - internal, used to signify change */ 94 # define BIO_CTRL_POP 7/* opt - internal, used to signify change */ 95 # define BIO_CTRL_GET_CLOSE 8/* man - set the 'close' on free */ 96 # define BIO_CTRL_SET_CLOSE 9/* man - set the 'close' on free */ 97 # define BIO_CTRL_PENDING 10/* opt - is their more data buffered */ 98 # define BIO_CTRL_FLUSH 11/* opt - 'flush' buffered output */ 99 # define BIO_CTRL_DUP 12/* man - extra stuff for 'duped' BIO */ 100 # define BIO_CTRL_WPENDING 13/* opt - number of bytes still to write */ 101 # define BIO_CTRL_SET_CALLBACK 14/* opt - set callback function */ 102 # define BIO_CTRL_GET_CALLBACK 15/* opt - set callback function */ 103 104 # define BIO_CTRL_PEEK 29/* BIO_f_buffer special */ 105 # define BIO_CTRL_SET_FILENAME 30/* BIO_s_file special */ 106 107 /* dgram BIO stuff */ 108 # define BIO_CTRL_DGRAM_CONNECT 31/* BIO dgram special */ 109 # define BIO_CTRL_DGRAM_SET_CONNECTED 32/* allow for an externally connected 110 * socket to be passed in */ 111 # define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33/* setsockopt, essentially */ 112 # define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34/* getsockopt, essentially */ 113 # define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35/* setsockopt, essentially */ 114 # define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36/* getsockopt, essentially */ 115 116 # define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37/* flag whether the last */ 117 # define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38/* I/O operation timed out */ 118 119 /* #ifdef IP_MTU_DISCOVER */ 120 # define BIO_CTRL_DGRAM_MTU_DISCOVER 39/* set DF bit on egress packets */ 121 /* #endif */ 122 123 # define BIO_CTRL_DGRAM_QUERY_MTU 40/* as kernel for current MTU */ 124 # define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47 125 # define BIO_CTRL_DGRAM_GET_MTU 41/* get cached value for MTU */ 126 # define BIO_CTRL_DGRAM_SET_MTU 42/* set cached value for MTU. 127 * want to use this if asking 128 * the kernel fails */ 129 130 # define BIO_CTRL_DGRAM_MTU_EXCEEDED 43/* check whether the MTU was 131 * exceed in the previous write 132 * operation */ 133 134 # define BIO_CTRL_DGRAM_GET_PEER 46 135 # define BIO_CTRL_DGRAM_SET_PEER 44/* Destination for the data */ 136 137 # define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45/* Next DTLS handshake timeout 138 * to adjust socket timeouts */ 139 # define BIO_CTRL_DGRAM_SET_DONT_FRAG 48 140 141 # define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD 49 142 143 /* Deliberately outside of OPENSSL_NO_SCTP - used in bss_dgram.c */ 144 # define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE 50 145 # ifndef OPENSSL_NO_SCTP 146 /* SCTP stuff */ 147 # define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY 51 148 # define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY 52 149 # define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD 53 150 # define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO 60 151 # define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO 61 152 # define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO 62 153 # define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO 63 154 # define BIO_CTRL_DGRAM_SCTP_GET_PRINFO 64 155 # define BIO_CTRL_DGRAM_SCTP_SET_PRINFO 65 156 # define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN 70 157 # endif 158 159 # define BIO_CTRL_DGRAM_SET_PEEK_MODE 71 160 161 /* 162 * internal BIO: 163 * # define BIO_CTRL_SET_KTLS_SEND 72 164 * # define BIO_CTRL_SET_KTLS_SEND_CTRL_MSG 74 165 * # define BIO_CTRL_CLEAR_KTLS_CTRL_MSG 75 166 */ 167 168 # define BIO_CTRL_GET_KTLS_SEND 73 169 # define BIO_CTRL_GET_KTLS_RECV 76 170 171 # define BIO_CTRL_DGRAM_SCTP_WAIT_FOR_DRY 77 172 # define BIO_CTRL_DGRAM_SCTP_MSG_WAITING 78 173 174 /* BIO_f_prefix controls */ 175 # define BIO_CTRL_SET_PREFIX 79 176 # define BIO_CTRL_SET_INDENT 80 177 # define BIO_CTRL_GET_INDENT 81 178 179 # define BIO_CTRL_DGRAM_GET_LOCAL_ADDR_CAP 82 180 # define BIO_CTRL_DGRAM_GET_LOCAL_ADDR_ENABLE 83 181 # define BIO_CTRL_DGRAM_SET_LOCAL_ADDR_ENABLE 84 182 # define BIO_CTRL_DGRAM_GET_EFFECTIVE_CAPS 85 183 # define BIO_CTRL_DGRAM_GET_CAPS 86 184 # define BIO_CTRL_DGRAM_SET_CAPS 87 185 # define BIO_CTRL_DGRAM_GET_NO_TRUNC 88 186 # define BIO_CTRL_DGRAM_SET_NO_TRUNC 89 187 188 /* 189 * internal BIO: 190 * # define BIO_CTRL_SET_KTLS_TX_ZEROCOPY_SENDFILE 90 191 */ 192 193 # define BIO_CTRL_GET_RPOLL_DESCRIPTOR 91 194 # define BIO_CTRL_GET_WPOLL_DESCRIPTOR 92 195 # define BIO_CTRL_DGRAM_DETECT_PEER_ADDR 93 196 # define BIO_CTRL_DGRAM_SET0_LOCAL_ADDR 94 197 198 # 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 */ 242 243 typedef union bio_addr_st BIO_ADDR; 244 typedef struct bio_addrinfo_st BIO_ADDRINFO; 245 246 int BIO_get_new_index(void); 247 void BIO_set_flags(BIO *b, int flags); 248 int BIO_test_flags(const BIO *b, int flags); 249 void 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_0 308 typedef long (*BIO_callback_fn)(BIO *b, int oper, const char *argp, int argi, 309 long argl, long ret); 310 OSSL_DEPRECATEDIN_3_0 BIO_callback_fn BIO_get_callback(const BIO *b); 311 OSSL_DEPRECATEDIN_3_0 void BIO_set_callback(BIO *b, BIO_callback_fn callback); 312 OSSL_DEPRECATEDIN_3_0 long BIO_debug_callback(BIO *bio, int cmd, 313 const char *argp, int argi, 314 long argl, long ret); 315 # endif 316 317 typedef 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); 320 BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b); 321 void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex callback); 322 long BIO_debug_callback_ex(BIO *bio, int oper, const char *argp, size_t len, 323 int argi, long argl, int ret, size_t *processed); 324 325 char *BIO_get_callback_arg(const BIO *b); 326 void BIO_set_callback_arg(BIO *b, char *arg); 327 328 typedef struct bio_method_st BIO_METHOD; 329 330 const char *BIO_method_name(const BIO *b); 331 int BIO_method_type(const BIO *b); 332 333 typedef int BIO_info_cb(BIO *, int, int); 334 typedef BIO_info_cb bio_info_cb; /* backward compatibility */ 335 336 SKM_DEFINE_STACK_OF_INTERNAL(BIO, BIO, BIO) 337 #define sk_BIO_num(sk) OPENSSL_sk_num(ossl_check_const_BIO_sk_type(sk)) 338 #define sk_BIO_value(sk, idx) ((BIO *)OPENSSL_sk_value(ossl_check_const_BIO_sk_type(sk), (idx))) 339 #define sk_BIO_new(cmp) ((STACK_OF(BIO) *)OPENSSL_sk_new(ossl_check_BIO_compfunc_type(cmp))) 340 #define sk_BIO_new_null() ((STACK_OF(BIO) *)OPENSSL_sk_new_null()) 341 #define sk_BIO_new_reserve(cmp, n) ((STACK_OF(BIO) *)OPENSSL_sk_new_reserve(ossl_check_BIO_compfunc_type(cmp), (n))) 342 #define sk_BIO_reserve(sk, n) OPENSSL_sk_reserve(ossl_check_BIO_sk_type(sk), (n)) 343 #define sk_BIO_free(sk) OPENSSL_sk_free(ossl_check_BIO_sk_type(sk)) 344 #define sk_BIO_zero(sk) OPENSSL_sk_zero(ossl_check_BIO_sk_type(sk)) 345 #define sk_BIO_delete(sk, i) ((BIO *)OPENSSL_sk_delete(ossl_check_BIO_sk_type(sk), (i))) 346 #define sk_BIO_delete_ptr(sk, ptr) ((BIO *)OPENSSL_sk_delete_ptr(ossl_check_BIO_sk_type(sk), ossl_check_BIO_type(ptr))) 347 #define sk_BIO_push(sk, ptr) OPENSSL_sk_push(ossl_check_BIO_sk_type(sk), ossl_check_BIO_type(ptr)) 348 #define sk_BIO_unshift(sk, ptr) OPENSSL_sk_unshift(ossl_check_BIO_sk_type(sk), ossl_check_BIO_type(ptr)) 349 #define sk_BIO_pop(sk) ((BIO *)OPENSSL_sk_pop(ossl_check_BIO_sk_type(sk))) 350 #define sk_BIO_shift(sk) ((BIO *)OPENSSL_sk_shift(ossl_check_BIO_sk_type(sk))) 351 #define sk_BIO_pop_free(sk, freefunc) OPENSSL_sk_pop_free(ossl_check_BIO_sk_type(sk),ossl_check_BIO_freefunc_type(freefunc)) 352 #define sk_BIO_insert(sk, ptr, idx) OPENSSL_sk_insert(ossl_check_BIO_sk_type(sk), ossl_check_BIO_type(ptr), (idx)) 353 #define sk_BIO_set(sk, idx, ptr) ((BIO *)OPENSSL_sk_set(ossl_check_BIO_sk_type(sk), (idx), ossl_check_BIO_type(ptr))) 354 #define sk_BIO_find(sk, ptr) OPENSSL_sk_find(ossl_check_BIO_sk_type(sk), ossl_check_BIO_type(ptr)) 355 #define sk_BIO_find_ex(sk, ptr) OPENSSL_sk_find_ex(ossl_check_BIO_sk_type(sk), ossl_check_BIO_type(ptr)) 356 #define sk_BIO_find_all(sk, ptr, pnum) OPENSSL_sk_find_all(ossl_check_BIO_sk_type(sk), ossl_check_BIO_type(ptr), pnum) 357 #define sk_BIO_sort(sk) OPENSSL_sk_sort(ossl_check_BIO_sk_type(sk)) 358 #define sk_BIO_is_sorted(sk) OPENSSL_sk_is_sorted(ossl_check_const_BIO_sk_type(sk)) 359 #define sk_BIO_dup(sk) ((STACK_OF(BIO) *)OPENSSL_sk_dup(ossl_check_const_BIO_sk_type(sk))) 360 #define sk_BIO_deep_copy(sk, copyfunc, freefunc) ((STACK_OF(BIO) *)OPENSSL_sk_deep_copy(ossl_check_const_BIO_sk_type(sk), ossl_check_BIO_copyfunc_type(copyfunc), ossl_check_BIO_freefunc_type(freefunc))) 361 #define sk_BIO_set_cmp_func(sk, cmp) ((sk_BIO_compfunc)OPENSSL_sk_set_cmp_func(ossl_check_BIO_sk_type(sk), ossl_check_BIO_compfunc_type(cmp))) 362 363 364 365 /* Prefix and suffix callback in ASN1 BIO */ 366 typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen, 367 void *parg); 368 369 typedef void (*BIO_dgram_sctp_notification_handler_fn) (BIO *b, 370 void *context, 371 void *buf); 372 # ifndef OPENSSL_NO_SCTP 373 /* SCTP parameter structs */ 374 struct bio_dgram_sctp_sndinfo { 375 uint16_t snd_sid; 376 uint16_t snd_flags; 377 uint32_t snd_ppid; 378 uint32_t snd_context; 379 }; 380 381 struct bio_dgram_sctp_rcvinfo { 382 uint16_t rcv_sid; 383 uint16_t rcv_ssn; 384 uint16_t rcv_flags; 385 uint32_t rcv_ppid; 386 uint32_t rcv_tsn; 387 uint32_t rcv_cumtsn; 388 uint32_t rcv_context; 389 }; 390 391 struct bio_dgram_sctp_prinfo { 392 uint16_t pr_policy; 393 uint32_t pr_value; 394 }; 395 # endif 396 397 /* BIO_sendmmsg/BIO_recvmmsg-related definitions */ 398 typedef struct bio_msg_st { 399 void *data; 400 size_t data_len; 401 BIO_ADDR *peer, *local; 402 uint64_t flags; 403 } BIO_MSG; 404 405 typedef struct bio_mmsg_cb_args_st { 406 BIO_MSG *msg; 407 size_t stride, num_msg; 408 uint64_t flags; 409 size_t *msgs_processed; 410 } BIO_MMSG_CB_ARGS; 411 412 #define BIO_POLL_DESCRIPTOR_TYPE_NONE 0 413 #define BIO_POLL_DESCRIPTOR_TYPE_SOCK_FD 1 414 #define BIO_POLL_DESCRIPTOR_TYPE_SSL 2 415 #define BIO_POLL_DESCRIPTOR_CUSTOM_START 8192 416 417 typedef struct bio_poll_descriptor_st { 418 uint32_t type; 419 union { 420 int fd; 421 void *custom; 422 uintptr_t custom_ui; 423 SSL *ssl; 424 } value; 425 } BIO_POLL_DESCRIPTOR; 426 427 /* 428 * #define BIO_CONN_get_param_hostname BIO_ctrl 429 */ 430 431 # define BIO_C_SET_CONNECT 100 432 # define BIO_C_DO_STATE_MACHINE 101 433 # define BIO_C_SET_NBIO 102 434 /* # define BIO_C_SET_PROXY_PARAM 103 */ 435 # define BIO_C_SET_FD 104 436 # define BIO_C_GET_FD 105 437 # define BIO_C_SET_FILE_PTR 106 438 # define BIO_C_GET_FILE_PTR 107 439 # define BIO_C_SET_FILENAME 108 440 # define BIO_C_SET_SSL 109 441 # define BIO_C_GET_SSL 110 442 # define BIO_C_SET_MD 111 443 # define BIO_C_GET_MD 112 444 # define BIO_C_GET_CIPHER_STATUS 113 445 # define BIO_C_SET_BUF_MEM 114 446 # define BIO_C_GET_BUF_MEM_PTR 115 447 # define BIO_C_GET_BUFF_NUM_LINES 116 448 # define BIO_C_SET_BUFF_SIZE 117 449 # define BIO_C_SET_ACCEPT 118 450 # define BIO_C_SSL_MODE 119 451 # define BIO_C_GET_MD_CTX 120 452 /* # define BIO_C_GET_PROXY_PARAM 121 */ 453 # define BIO_C_SET_BUFF_READ_DATA 122/* data to read first */ 454 # define BIO_C_GET_CONNECT 123 455 # define BIO_C_GET_ACCEPT 124 456 # define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125 457 # define BIO_C_GET_SSL_NUM_RENEGOTIATES 126 458 # define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127 459 # define BIO_C_FILE_SEEK 128 460 # define BIO_C_GET_CIPHER_CTX 129 461 # define BIO_C_SET_BUF_MEM_EOF_RETURN 130/* return end of input 462 * value */ 463 # define BIO_C_SET_BIND_MODE 131 464 # define BIO_C_GET_BIND_MODE 132 465 # define BIO_C_FILE_TELL 133 466 # define BIO_C_GET_SOCKS 134 467 # define BIO_C_SET_SOCKS 135 468 469 # define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */ 470 # define BIO_C_GET_WRITE_BUF_SIZE 137 471 # define BIO_C_MAKE_BIO_PAIR 138 472 # define BIO_C_DESTROY_BIO_PAIR 139 473 # define BIO_C_GET_WRITE_GUARANTEE 140 474 # define BIO_C_GET_READ_REQUEST 141 475 # define BIO_C_SHUTDOWN_WR 142 476 # define BIO_C_NREAD0 143 477 # define BIO_C_NREAD 144 478 # define BIO_C_NWRITE0 145 479 # define BIO_C_NWRITE 146 480 # define BIO_C_RESET_READ_REQUEST 147 481 # define BIO_C_SET_MD_CTX 148 482 483 # define BIO_C_SET_PREFIX 149 484 # define BIO_C_GET_PREFIX 150 485 # define BIO_C_SET_SUFFIX 151 486 # define BIO_C_GET_SUFFIX 152 487 488 # define BIO_C_SET_EX_ARG 153 489 # define BIO_C_GET_EX_ARG 154 490 491 # define BIO_C_SET_CONNECT_MODE 155 492 493 # define BIO_C_SET_TFO 156 /* like BIO_C_SET_NBIO */ 494 495 # define BIO_C_SET_SOCK_TYPE 157 496 # define BIO_C_GET_SOCK_TYPE 158 497 # define BIO_C_GET_DGRAM_BIO 159 498 499 # define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg) 500 # define BIO_get_app_data(s) BIO_get_ex_data(s,0) 501 502 # define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) 503 # define BIO_set_tfo(b,n) BIO_ctrl(b,BIO_C_SET_TFO,(n),NULL) 504 505 # ifndef OPENSSL_NO_SOCK 506 /* IP families we support, for BIO_s_connect() and BIO_s_accept() */ 507 /* Note: the underlying operating system may not support some of them */ 508 # define BIO_FAMILY_IPV4 4 509 # define BIO_FAMILY_IPV6 6 510 # define BIO_FAMILY_IPANY 256 511 512 /* BIO_s_connect() */ 513 # define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0, \ 514 (char *)(name)) 515 # define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1, \ 516 (char *)(port)) 517 # define BIO_set_conn_address(b,addr) BIO_ctrl(b,BIO_C_SET_CONNECT,2, \ 518 (char *)(addr)) 519 # define BIO_set_conn_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,f) 520 # define BIO_get_conn_hostname(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)) 521 # define BIO_get_conn_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)) 522 # define BIO_get_conn_address(b) ((const BIO_ADDR *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)) 523 # define BIO_get_conn_ip_family(b) BIO_ctrl(b,BIO_C_GET_CONNECT,3,NULL) 524 # define BIO_get_conn_mode(b) BIO_ctrl(b,BIO_C_GET_CONNECT,4,NULL) 525 # define BIO_set_conn_mode(b,n) BIO_ctrl(b,BIO_C_SET_CONNECT_MODE,(n),NULL) 526 # define BIO_set_sock_type(b,t) BIO_ctrl(b,BIO_C_SET_SOCK_TYPE,(t),NULL) 527 # define BIO_get_sock_type(b) BIO_ctrl(b,BIO_C_GET_SOCK_TYPE,0,NULL) 528 # define BIO_get0_dgram_bio(b, p) BIO_ctrl(b,BIO_C_GET_DGRAM_BIO,0,(void *)(BIO **)(p)) 529 530 /* BIO_s_accept() */ 531 # define BIO_set_accept_name(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0, \ 532 (char *)(name)) 533 # define BIO_set_accept_port(b,port) BIO_ctrl(b,BIO_C_SET_ACCEPT,1, \ 534 (char *)(port)) 535 # define BIO_get_accept_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)) 536 # define BIO_get_accept_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,1)) 537 # define BIO_get_peer_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,2)) 538 # define BIO_get_peer_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,3)) 539 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */ 540 # define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(n)?(void *)"a":NULL) 541 # define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,3, \ 542 (char *)(bio)) 543 # define BIO_set_accept_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_ACCEPT,4,f) 544 # define BIO_get_accept_ip_family(b) BIO_ctrl(b,BIO_C_GET_ACCEPT,4,NULL) 545 # define BIO_set_tfo_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,5,(n)?(void *)"a":NULL) 546 547 /* Aliases kept for backward compatibility */ 548 # define BIO_BIND_NORMAL 0 549 # define BIO_BIND_REUSEADDR BIO_SOCK_REUSEADDR 550 # define BIO_BIND_REUSEADDR_IF_UNUSED BIO_SOCK_REUSEADDR 551 # define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL) 552 # define BIO_get_bind_mode(b) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL) 553 # endif /* OPENSSL_NO_SOCK */ 554 555 # define BIO_do_connect(b) BIO_do_handshake(b) 556 # define BIO_do_accept(b) BIO_do_handshake(b) 557 558 # define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL) 559 560 /* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */ 561 # define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd) 562 # define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)(c)) 563 564 /* BIO_s_file() */ 565 # define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)(fp)) 566 # define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)(fpp)) 567 568 /* BIO_s_fd() and BIO_s_file() */ 569 # define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL) 570 # define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL) 571 572 /* 573 * name is cast to lose const, but might be better to route through a 574 * function so we can do it safely 575 */ 576 # ifdef CONST_STRICT 577 /* 578 * If you are wondering why this isn't defined, its because CONST_STRICT is 579 * purely a compile-time kludge to allow const to be checked. 580 */ 581 int BIO_read_filename(BIO *b, const char *name); 582 # else 583 # define BIO_read_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 584 BIO_CLOSE|BIO_FP_READ,(char *)(name)) 585 # endif 586 # define BIO_write_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 587 BIO_CLOSE|BIO_FP_WRITE,name) 588 # define BIO_append_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 589 BIO_CLOSE|BIO_FP_APPEND,name) 590 # define BIO_rw_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \ 591 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name) 592 593 /* 594 * WARNING WARNING, this ups the reference count on the read bio of the SSL 595 * structure. This is because the ssl read BIO is now pointed to by the 596 * next_bio field in the bio. So when you free the BIO, make sure you are 597 * doing a BIO_free_all() to catch the underlying BIO. 598 */ 599 # define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)(ssl)) 600 # define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)(sslp)) 601 # define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL) 602 # define BIO_set_ssl_renegotiate_bytes(b,num) \ 603 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL) 604 # define BIO_get_num_renegotiates(b) \ 605 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL) 606 # define BIO_set_ssl_renegotiate_timeout(b,seconds) \ 607 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL) 608 609 /* defined in evp.h */ 610 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)(md)) */ 611 612 # define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)(pp)) 613 # define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)(bm)) 614 # define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0, \ 615 (char *)(pp)) 616 # define BIO_set_mem_eof_return(b,v) \ 617 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL) 618 619 /* For the BIO_f_buffer() type */ 620 # define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL) 621 # define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL) 622 # define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0) 623 # define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1) 624 # define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf) 625 626 /* Don't use the next one unless you know what you are doing :-) */ 627 # define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret)) 628 629 # define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL) 630 # define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL) 631 # define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL) 632 # define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL) 633 # define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL) 634 # define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL) 635 /* ...pending macros have inappropriate return type */ 636 size_t BIO_ctrl_pending(BIO *b); 637 size_t BIO_ctrl_wpending(BIO *b); 638 # define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL) 639 # define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \ 640 cbp) 641 # define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb) 642 643 /* For the BIO_f_buffer() type */ 644 # define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL) 645 # define BIO_buffer_peek(b,s,l) BIO_ctrl(b,BIO_CTRL_PEEK,(l),(s)) 646 647 /* For BIO_s_bio() */ 648 # define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL) 649 # define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL) 650 # define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2) 651 # define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL) 652 # define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL) 653 /* macros with inappropriate type -- but ...pending macros use int too: */ 654 # define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL) 655 # define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL) 656 size_t BIO_ctrl_get_write_guarantee(BIO *b); 657 size_t BIO_ctrl_get_read_request(BIO *b); 658 int BIO_ctrl_reset_read_request(BIO *b); 659 660 /* ctrl macros for dgram */ 661 # define BIO_ctrl_dgram_connect(b,peer) \ 662 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)(peer)) 663 # define BIO_ctrl_set_connected(b,peer) \ 664 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, 0, (char *)(peer)) 665 # define BIO_dgram_recv_timedout(b) \ 666 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL) 667 # define BIO_dgram_send_timedout(b) \ 668 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL) 669 # define BIO_dgram_get_peer(b,peer) \ 670 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)(peer)) 671 # define BIO_dgram_set_peer(b,peer) \ 672 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)(peer)) 673 # define BIO_dgram_detect_peer_addr(b,peer) \ 674 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_DETECT_PEER_ADDR, 0, (char *)(peer)) 675 # define BIO_dgram_get_mtu_overhead(b) \ 676 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL) 677 # define BIO_dgram_get_local_addr_cap(b) \ 678 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_LOCAL_ADDR_CAP, 0, NULL) 679 # define BIO_dgram_get_local_addr_enable(b, penable) \ 680 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_LOCAL_ADDR_ENABLE, 0, (char *)(penable)) 681 # define BIO_dgram_set_local_addr_enable(b, enable) \ 682 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_LOCAL_ADDR_ENABLE, (enable), NULL) 683 # define BIO_dgram_get_effective_caps(b) \ 684 (uint32_t)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_EFFECTIVE_CAPS, 0, NULL) 685 # define BIO_dgram_get_caps(b) \ 686 (uint32_t)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_CAPS, 0, NULL) 687 # define BIO_dgram_set_caps(b, caps) \ 688 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_CAPS, (long)(caps), NULL) 689 # define BIO_dgram_get_no_trunc(b) \ 690 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_NO_TRUNC, 0, NULL) 691 # define BIO_dgram_set_no_trunc(b, enable) \ 692 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_NO_TRUNC, (enable), NULL) 693 # define BIO_dgram_get_mtu(b) \ 694 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU, 0, NULL) 695 # define BIO_dgram_set_mtu(b, mtu) \ 696 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET_MTU, (mtu), NULL) 697 # define BIO_dgram_set0_local_addr(b, addr) \ 698 (int)BIO_ctrl((b), BIO_CTRL_DGRAM_SET0_LOCAL_ADDR, 0, (addr)) 699 700 /* ctrl macros for BIO_f_prefix */ 701 # define BIO_set_prefix(b,p) BIO_ctrl((b), BIO_CTRL_SET_PREFIX, 0, (void *)(p)) 702 # define BIO_set_indent(b,i) BIO_ctrl((b), BIO_CTRL_SET_INDENT, (i), NULL) 703 # define BIO_get_indent(b) BIO_ctrl((b), BIO_CTRL_GET_INDENT, 0, NULL) 704 705 #define BIO_get_ex_new_index(l, p, newf, dupf, freef) \ 706 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, l, p, newf, dupf, freef) 707 int BIO_set_ex_data(BIO *bio, int idx, void *data); 708 void *BIO_get_ex_data(const BIO *bio, int idx); 709 uint64_t BIO_number_read(BIO *bio); 710 uint64_t BIO_number_written(BIO *bio); 711 712 /* For BIO_f_asn1() */ 713 int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix, 714 asn1_ps_func *prefix_free); 715 int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix, 716 asn1_ps_func **pprefix_free); 717 int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix, 718 asn1_ps_func *suffix_free); 719 int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix, 720 asn1_ps_func **psuffix_free); 721 722 const BIO_METHOD *BIO_s_file(void); 723 BIO *BIO_new_file(const char *filename, const char *mode); 724 BIO *BIO_new_from_core_bio(OSSL_LIB_CTX *libctx, OSSL_CORE_BIO *corebio); 725 # ifndef OPENSSL_NO_STDIO 726 BIO *BIO_new_fp(FILE *stream, int close_flag); 727 # endif 728 BIO *BIO_new_ex(OSSL_LIB_CTX *libctx, const BIO_METHOD *method); 729 BIO *BIO_new(const BIO_METHOD *type); 730 int BIO_free(BIO *a); 731 void BIO_set_data(BIO *a, void *ptr); 732 void *BIO_get_data(BIO *a); 733 void BIO_set_init(BIO *a, int init); 734 int BIO_get_init(BIO *a); 735 void BIO_set_shutdown(BIO *a, int shut); 736 int BIO_get_shutdown(BIO *a); 737 void BIO_vfree(BIO *a); 738 int BIO_up_ref(BIO *a); 739 int BIO_read(BIO *b, void *data, int dlen); 740 int BIO_read_ex(BIO *b, void *data, size_t dlen, size_t *readbytes); 741 __owur int BIO_recvmmsg(BIO *b, BIO_MSG *msg, 742 size_t stride, size_t num_msg, uint64_t flags, 743 size_t *msgs_processed); 744 int BIO_gets(BIO *bp, char *buf, int size); 745 int BIO_get_line(BIO *bio, char *buf, int size); 746 int BIO_write(BIO *b, const void *data, int dlen); 747 int BIO_write_ex(BIO *b, const void *data, size_t dlen, size_t *written); 748 __owur int BIO_sendmmsg(BIO *b, BIO_MSG *msg, 749 size_t stride, size_t num_msg, uint64_t flags, 750 size_t *msgs_processed); 751 __owur int BIO_get_rpoll_descriptor(BIO *b, BIO_POLL_DESCRIPTOR *desc); 752 __owur int BIO_get_wpoll_descriptor(BIO *b, BIO_POLL_DESCRIPTOR *desc); 753 int BIO_puts(BIO *bp, const char *buf); 754 int BIO_indent(BIO *b, int indent, int max); 755 long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg); 756 long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp); 757 void *BIO_ptr_ctrl(BIO *bp, int cmd, long larg); 758 long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg); 759 BIO *BIO_push(BIO *b, BIO *append); 760 BIO *BIO_pop(BIO *b); 761 void BIO_free_all(BIO *a); 762 BIO *BIO_find_type(BIO *b, int bio_type); 763 BIO *BIO_next(BIO *b); 764 void BIO_set_next(BIO *b, BIO *next); 765 BIO *BIO_get_retry_BIO(BIO *bio, int *reason); 766 int BIO_get_retry_reason(BIO *bio); 767 void BIO_set_retry_reason(BIO *bio, int reason); 768 BIO *BIO_dup_chain(BIO *in); 769 770 int BIO_nread0(BIO *bio, char **buf); 771 int BIO_nread(BIO *bio, char **buf, int num); 772 int BIO_nwrite0(BIO *bio, char **buf); 773 int BIO_nwrite(BIO *bio, char **buf, int num); 774 775 const BIO_METHOD *BIO_s_mem(void); 776 # ifndef OPENSSL_NO_DGRAM 777 const BIO_METHOD *BIO_s_dgram_mem(void); 778 # endif 779 const BIO_METHOD *BIO_s_secmem(void); 780 BIO *BIO_new_mem_buf(const void *buf, int len); 781 # ifndef OPENSSL_NO_SOCK 782 const BIO_METHOD *BIO_s_socket(void); 783 const BIO_METHOD *BIO_s_connect(void); 784 const BIO_METHOD *BIO_s_accept(void); 785 # endif 786 const BIO_METHOD *BIO_s_fd(void); 787 const BIO_METHOD *BIO_s_log(void); 788 const BIO_METHOD *BIO_s_bio(void); 789 const BIO_METHOD *BIO_s_null(void); 790 const BIO_METHOD *BIO_f_null(void); 791 const BIO_METHOD *BIO_f_buffer(void); 792 const BIO_METHOD *BIO_f_readbuffer(void); 793 const BIO_METHOD *BIO_f_linebuffer(void); 794 const BIO_METHOD *BIO_f_nbio_test(void); 795 const BIO_METHOD *BIO_f_prefix(void); 796 const BIO_METHOD *BIO_s_core(void); 797 # ifndef OPENSSL_NO_DGRAM 798 const BIO_METHOD *BIO_s_dgram_pair(void); 799 const BIO_METHOD *BIO_s_datagram(void); 800 int BIO_dgram_non_fatal_error(int error); 801 BIO *BIO_new_dgram(int fd, int close_flag); 802 # ifndef OPENSSL_NO_SCTP 803 const BIO_METHOD *BIO_s_datagram_sctp(void); 804 BIO *BIO_new_dgram_sctp(int fd, int close_flag); 805 int BIO_dgram_is_sctp(BIO *bio); 806 int BIO_dgram_sctp_notification_cb(BIO *b, 807 BIO_dgram_sctp_notification_handler_fn handle_notifications, 808 void *context); 809 int BIO_dgram_sctp_wait_for_dry(BIO *b); 810 int BIO_dgram_sctp_msg_waiting(BIO *b); 811 # endif 812 # endif 813 814 # ifndef OPENSSL_NO_SOCK 815 int BIO_sock_should_retry(int i); 816 int BIO_sock_non_fatal_error(int error); 817 int BIO_err_is_non_fatal(unsigned int errcode); 818 int BIO_socket_wait(int fd, int for_read, time_t max_time); 819 # endif 820 int BIO_wait(BIO *bio, time_t max_time, unsigned int nap_milliseconds); 821 int BIO_do_connect_retry(BIO *bio, int timeout, int nap_milliseconds); 822 823 int BIO_fd_should_retry(int i); 824 int BIO_fd_non_fatal_error(int error); 825 int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u), 826 void *u, const void *s, int len); 827 int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), 828 void *u, const void *s, int len, int indent); 829 int BIO_dump(BIO *b, const void *bytes, int len); 830 int BIO_dump_indent(BIO *b, const void *bytes, int len, int indent); 831 # ifndef OPENSSL_NO_STDIO 832 int BIO_dump_fp(FILE *fp, const void *s, int len); 833 int BIO_dump_indent_fp(FILE *fp, const void *s, int len, int indent); 834 # endif 835 int BIO_hex_string(BIO *out, int indent, int width, const void *data, 836 int datalen); 837 838 # ifndef OPENSSL_NO_SOCK 839 BIO_ADDR *BIO_ADDR_new(void); 840 int BIO_ADDR_copy(BIO_ADDR *dst, const BIO_ADDR *src); 841 BIO_ADDR *BIO_ADDR_dup(const BIO_ADDR *ap); 842 int BIO_ADDR_rawmake(BIO_ADDR *ap, int family, 843 const void *where, size_t wherelen, unsigned short port); 844 void BIO_ADDR_free(BIO_ADDR *); 845 void BIO_ADDR_clear(BIO_ADDR *ap); 846 int BIO_ADDR_family(const BIO_ADDR *ap); 847 int BIO_ADDR_rawaddress(const BIO_ADDR *ap, void *p, size_t *l); 848 unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap); 849 char *BIO_ADDR_hostname_string(const BIO_ADDR *ap, int numeric); 850 char *BIO_ADDR_service_string(const BIO_ADDR *ap, int numeric); 851 char *BIO_ADDR_path_string(const BIO_ADDR *ap); 852 853 const BIO_ADDRINFO *BIO_ADDRINFO_next(const BIO_ADDRINFO *bai); 854 int BIO_ADDRINFO_family(const BIO_ADDRINFO *bai); 855 int BIO_ADDRINFO_socktype(const BIO_ADDRINFO *bai); 856 int BIO_ADDRINFO_protocol(const BIO_ADDRINFO *bai); 857 const BIO_ADDR *BIO_ADDRINFO_address(const BIO_ADDRINFO *bai); 858 void BIO_ADDRINFO_free(BIO_ADDRINFO *bai); 859 860 enum BIO_hostserv_priorities { 861 BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV 862 }; 863 int BIO_parse_hostserv(const char *hostserv, char **host, char **service, 864 enum BIO_hostserv_priorities hostserv_prio); 865 enum BIO_lookup_type { 866 BIO_LOOKUP_CLIENT, BIO_LOOKUP_SERVER 867 }; 868 int BIO_lookup(const char *host, const char *service, 869 enum BIO_lookup_type lookup_type, 870 int family, int socktype, BIO_ADDRINFO **res); 871 int BIO_lookup_ex(const char *host, const char *service, 872 int lookup_type, int family, int socktype, int protocol, 873 BIO_ADDRINFO **res); 874 int BIO_sock_error(int sock); 875 int BIO_socket_ioctl(int fd, long type, void *arg); 876 int BIO_socket_nbio(int fd, int mode); 877 int BIO_sock_init(void); 878 # ifndef OPENSSL_NO_DEPRECATED_1_1_0 879 # define BIO_sock_cleanup() while(0) continue 880 # endif 881 int BIO_set_tcp_ndelay(int sock, int turn_on); 882 # ifndef OPENSSL_NO_DEPRECATED_1_1_0 883 OSSL_DEPRECATEDIN_1_1_0 struct hostent *BIO_gethostbyname(const char *name); 884 OSSL_DEPRECATEDIN_1_1_0 int BIO_get_port(const char *str, unsigned short *port_ptr); 885 OSSL_DEPRECATEDIN_1_1_0 int BIO_get_host_ip(const char *str, unsigned char *ip); 886 OSSL_DEPRECATEDIN_1_1_0 int BIO_get_accept_socket(char *host_port, int mode); 887 OSSL_DEPRECATEDIN_1_1_0 int BIO_accept(int sock, char **ip_port); 888 # endif 889 890 union BIO_sock_info_u { 891 BIO_ADDR *addr; 892 }; 893 enum BIO_sock_info_type { 894 BIO_SOCK_INFO_ADDRESS 895 }; 896 int BIO_sock_info(int sock, 897 enum BIO_sock_info_type type, union BIO_sock_info_u *info); 898 899 # define BIO_SOCK_REUSEADDR 0x01 900 # define BIO_SOCK_V6_ONLY 0x02 901 # define BIO_SOCK_KEEPALIVE 0x04 902 # define BIO_SOCK_NONBLOCK 0x08 903 # define BIO_SOCK_NODELAY 0x10 904 # define BIO_SOCK_TFO 0x20 905 906 int BIO_socket(int domain, int socktype, int protocol, int options); 907 int BIO_connect(int sock, const BIO_ADDR *addr, int options); 908 int BIO_bind(int sock, const BIO_ADDR *addr, int options); 909 int BIO_listen(int sock, const BIO_ADDR *addr, int options); 910 int BIO_accept_ex(int accept_sock, BIO_ADDR *addr, int options); 911 int BIO_closesocket(int sock); 912 913 BIO *BIO_new_socket(int sock, int close_flag); 914 BIO *BIO_new_connect(const char *host_port); 915 BIO *BIO_new_accept(const char *host_port); 916 # endif /* OPENSSL_NO_SOCK*/ 917 918 BIO *BIO_new_fd(int fd, int close_flag); 919 920 int BIO_new_bio_pair(BIO **bio1, size_t writebuf1, 921 BIO **bio2, size_t writebuf2); 922 # ifndef OPENSSL_NO_DGRAM 923 int BIO_new_bio_dgram_pair(BIO **bio1, size_t writebuf1, 924 BIO **bio2, size_t writebuf2); 925 # endif 926 927 /* 928 * If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints. 929 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. Size 0 uses default 930 * value. 931 */ 932 933 void BIO_copy_next_retry(BIO *b); 934 935 /* 936 * long BIO_ghbn_ctrl(int cmd,int iarg,char *parg); 937 */ 938 939 # define ossl_bio__attr__(x) 940 # if defined(__GNUC__) && defined(__STDC_VERSION__) \ 941 && !defined(__MINGW32__) && !defined(__MINGW64__) \ 942 && !defined(__APPLE__) 943 /* 944 * Because we support the 'z' modifier, which made its appearance in C99, 945 * we can't use __attribute__ with pre C99 dialects. 946 */ 947 # if __STDC_VERSION__ >= 199901L 948 # undef ossl_bio__attr__ 949 # define ossl_bio__attr__ __attribute__ 950 # if __GNUC__*10 + __GNUC_MINOR__ >= 44 951 # define ossl_bio__printf__ __gnu_printf__ 952 # else 953 # define ossl_bio__printf__ __printf__ 954 # endif 955 # endif 956 # endif 957 int BIO_printf(BIO *bio, const char *format, ...) 958 ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 3))); 959 int BIO_vprintf(BIO *bio, const char *format, va_list args) 960 ossl_bio__attr__((__format__(ossl_bio__printf__, 2, 0))); 961 int BIO_snprintf(char *buf, size_t n, const char *format, ...) 962 ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 4))); 963 int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) 964 ossl_bio__attr__((__format__(ossl_bio__printf__, 3, 0))); 965 # undef ossl_bio__attr__ 966 # undef ossl_bio__printf__ 967 968 969 BIO_METHOD *BIO_meth_new(int type, const char *name); 970 void BIO_meth_free(BIO_METHOD *biom); 971 int BIO_meth_set_write(BIO_METHOD *biom, 972 int (*write) (BIO *, const char *, int)); 973 int BIO_meth_set_write_ex(BIO_METHOD *biom, 974 int (*bwrite) (BIO *, const char *, size_t, size_t *)); 975 int BIO_meth_set_sendmmsg(BIO_METHOD *biom, 976 int (*f) (BIO *, BIO_MSG *, size_t, size_t, 977 uint64_t, size_t *)); 978 int BIO_meth_set_read(BIO_METHOD *biom, 979 int (*read) (BIO *, char *, int)); 980 int BIO_meth_set_read_ex(BIO_METHOD *biom, 981 int (*bread) (BIO *, char *, size_t, size_t *)); 982 int BIO_meth_set_recvmmsg(BIO_METHOD *biom, 983 int (*f) (BIO *, BIO_MSG *, size_t, size_t, 984 uint64_t, size_t *)); 985 int BIO_meth_set_puts(BIO_METHOD *biom, 986 int (*puts) (BIO *, const char *)); 987 int BIO_meth_set_gets(BIO_METHOD *biom, 988 int (*ossl_gets) (BIO *, char *, int)); 989 int BIO_meth_set_ctrl(BIO_METHOD *biom, 990 long (*ctrl) (BIO *, int, long, void *)); 991 int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *)); 992 int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *)); 993 int BIO_meth_set_callback_ctrl(BIO_METHOD *biom, 994 long (*callback_ctrl) (BIO *, int, 995 BIO_info_cb *)); 996 # ifndef OPENSSL_NO_DEPRECATED_3_5 997 OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_write(const BIO_METHOD *biom)) (BIO *, const char *, 998 int); 999 OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_write_ex(const BIO_METHOD *biom)) (BIO *, const char *, 1000 size_t, size_t *); 1001 OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_sendmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, 1002 size_t, size_t, 1003 uint64_t, size_t *); 1004 OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_read(const BIO_METHOD *biom)) (BIO *, char *, int); 1005 OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_read_ex(const BIO_METHOD *biom)) (BIO *, char *, 1006 size_t, size_t *); 1007 OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_recvmmsg(const BIO_METHOD *biom))(BIO *, BIO_MSG *, 1008 size_t, size_t, 1009 uint64_t, size_t *); 1010 OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *); 1011 OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int); 1012 OSSL_DEPRECATEDIN_3_5 long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, 1013 long, void *); 1014 OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_create(const BIO_METHOD *bion)) (BIO *); 1015 OSSL_DEPRECATEDIN_3_5 int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *); 1016 OSSL_DEPRECATEDIN_3_5 long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom)) (BIO *, int, 1017 BIO_info_cb *); 1018 # endif 1019 # ifdef __cplusplus 1020 } 1021 # endif 1022 #endif 1023