bio.h revision 306195
1/* crypto/bio/bio.h */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 59#ifndef HEADER_BIO_H 60# define HEADER_BIO_H 61 62# include <openssl/e_os2.h> 63 64# ifndef OPENSSL_NO_FP_API 65# include <stdio.h> 66# endif 67# include <stdarg.h> 68 69# include <openssl/crypto.h> 70 71# ifndef OPENSSL_NO_SCTP 72# ifndef OPENSSL_SYS_VMS 73# include <stdint.h> 74# else 75# include <inttypes.h> 76# endif 77# endif 78 79#ifdef __cplusplus 80extern "C" { 81#endif 82 83/* These are the 'types' of BIOs */ 84# define BIO_TYPE_NONE 0 85# define BIO_TYPE_MEM (1|0x0400) 86# define BIO_TYPE_FILE (2|0x0400) 87 88# define BIO_TYPE_FD (4|0x0400|0x0100) 89# define BIO_TYPE_SOCKET (5|0x0400|0x0100) 90# define BIO_TYPE_NULL (6|0x0400) 91# define BIO_TYPE_SSL (7|0x0200) 92# define BIO_TYPE_MD (8|0x0200)/* passive filter */ 93# define BIO_TYPE_BUFFER (9|0x0200)/* filter */ 94# define BIO_TYPE_CIPHER (10|0x0200)/* filter */ 95# define BIO_TYPE_BASE64 (11|0x0200)/* filter */ 96# define BIO_TYPE_CONNECT (12|0x0400|0x0100)/* socket - connect */ 97# define BIO_TYPE_ACCEPT (13|0x0400|0x0100)/* socket for accept */ 98# define BIO_TYPE_PROXY_CLIENT (14|0x0200)/* client proxy BIO */ 99# define BIO_TYPE_PROXY_SERVER (15|0x0200)/* server proxy BIO */ 100# define BIO_TYPE_NBIO_TEST (16|0x0200)/* server proxy BIO */ 101# define BIO_TYPE_NULL_FILTER (17|0x0200) 102# define BIO_TYPE_BER (18|0x0200)/* BER -> bin filter */ 103# define BIO_TYPE_BIO (19|0x0400)/* (half a) BIO pair */ 104# define BIO_TYPE_LINEBUFFER (20|0x0200)/* filter */ 105# define BIO_TYPE_DGRAM (21|0x0400|0x0100) 106# ifndef OPENSSL_NO_SCTP 107# define BIO_TYPE_DGRAM_SCTP (24|0x0400|0x0100) 108# endif 109# define BIO_TYPE_ASN1 (22|0x0200)/* filter */ 110# define BIO_TYPE_COMP (23|0x0200)/* filter */ 111 112# define BIO_TYPE_DESCRIPTOR 0x0100/* socket, fd, connect or accept */ 113# define BIO_TYPE_FILTER 0x0200 114# define BIO_TYPE_SOURCE_SINK 0x0400 115 116/* 117 * BIO_FILENAME_READ|BIO_CLOSE to open or close on free. 118 * BIO_set_fp(in,stdin,BIO_NOCLOSE); 119 */ 120# define BIO_NOCLOSE 0x00 121# define BIO_CLOSE 0x01 122 123/* 124 * These are used in the following macros and are passed to BIO_ctrl() 125 */ 126# define BIO_CTRL_RESET 1/* opt - rewind/zero etc */ 127# define BIO_CTRL_EOF 2/* opt - are we at the eof */ 128# define BIO_CTRL_INFO 3/* opt - extra tit-bits */ 129# define BIO_CTRL_SET 4/* man - set the 'IO' type */ 130# define BIO_CTRL_GET 5/* man - get the 'IO' type */ 131# define BIO_CTRL_PUSH 6/* opt - internal, used to signify change */ 132# define BIO_CTRL_POP 7/* opt - internal, used to signify change */ 133# define BIO_CTRL_GET_CLOSE 8/* man - set the 'close' on free */ 134# define BIO_CTRL_SET_CLOSE 9/* man - set the 'close' on free */ 135# define BIO_CTRL_PENDING 10/* opt - is their more data buffered */ 136# define BIO_CTRL_FLUSH 11/* opt - 'flush' buffered output */ 137# define BIO_CTRL_DUP 12/* man - extra stuff for 'duped' BIO */ 138# define BIO_CTRL_WPENDING 13/* opt - number of bytes still to write */ 139/* callback is int cb(BIO *bio,state,ret); */ 140# define BIO_CTRL_SET_CALLBACK 14/* opt - set callback function */ 141# define BIO_CTRL_GET_CALLBACK 15/* opt - set callback function */ 142 143# define BIO_CTRL_SET_FILENAME 30/* BIO_s_file special */ 144 145/* dgram BIO stuff */ 146# define BIO_CTRL_DGRAM_CONNECT 31/* BIO dgram special */ 147# define BIO_CTRL_DGRAM_SET_CONNECTED 32/* allow for an externally connected 148 * socket to be passed in */ 149# define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33/* setsockopt, essentially */ 150# define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34/* getsockopt, essentially */ 151# define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35/* setsockopt, essentially */ 152# define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36/* getsockopt, essentially */ 153 154# define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37/* flag whether the last */ 155# define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38/* I/O operation tiemd out */ 156 157/* #ifdef IP_MTU_DISCOVER */ 158# define BIO_CTRL_DGRAM_MTU_DISCOVER 39/* set DF bit on egress packets */ 159/* #endif */ 160 161# define BIO_CTRL_DGRAM_QUERY_MTU 40/* as kernel for current MTU */ 162# define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47 163# define BIO_CTRL_DGRAM_GET_MTU 41/* get cached value for MTU */ 164# define BIO_CTRL_DGRAM_SET_MTU 42/* set cached value for MTU. 165 * want to use this if asking 166 * the kernel fails */ 167 168# define BIO_CTRL_DGRAM_MTU_EXCEEDED 43/* check whether the MTU was 169 * exceed in the previous write 170 * operation */ 171 172# define BIO_CTRL_DGRAM_GET_PEER 46 173# define BIO_CTRL_DGRAM_SET_PEER 44/* Destination for the data */ 174 175# define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45/* Next DTLS handshake timeout 176 * to adjust socket timeouts */ 177# define BIO_CTRL_DGRAM_SET_DONT_FRAG 48 178 179# define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD 49 180 181# ifndef OPENSSL_NO_SCTP 182/* SCTP stuff */ 183# define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE 50 184# define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY 51 185# define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY 52 186# define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD 53 187# define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO 60 188# define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO 61 189# define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO 62 190# define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO 63 191# define BIO_CTRL_DGRAM_SCTP_GET_PRINFO 64 192# define BIO_CTRL_DGRAM_SCTP_SET_PRINFO 65 193# define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN 70 194# endif 195 196/* modifiers */ 197# define BIO_FP_READ 0x02 198# define BIO_FP_WRITE 0x04 199# define BIO_FP_APPEND 0x08 200# define BIO_FP_TEXT 0x10 201 202# define BIO_FLAGS_READ 0x01 203# define BIO_FLAGS_WRITE 0x02 204# define BIO_FLAGS_IO_SPECIAL 0x04 205# define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL) 206# define BIO_FLAGS_SHOULD_RETRY 0x08 207# ifndef BIO_FLAGS_UPLINK 208/* 209 * "UPLINK" flag denotes file descriptors provided by application. It 210 * defaults to 0, as most platforms don't require UPLINK interface. 211 */ 212# define BIO_FLAGS_UPLINK 0 213# endif 214 215/* Used in BIO_gethostbyname() */ 216# define BIO_GHBN_CTRL_HITS 1 217# define BIO_GHBN_CTRL_MISSES 2 218# define BIO_GHBN_CTRL_CACHE_SIZE 3 219# define BIO_GHBN_CTRL_GET_ENTRY 4 220# define BIO_GHBN_CTRL_FLUSH 5 221 222/* Mostly used in the SSL BIO */ 223/*- 224 * Not used anymore 225 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10 226 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20 227 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40 228 */ 229 230# define BIO_FLAGS_BASE64_NO_NL 0x100 231 232/* 233 * This is used with memory BIOs: it means we shouldn't free up or change the 234 * data in any way. 235 */ 236# define BIO_FLAGS_MEM_RDONLY 0x200 237 238typedef struct bio_st BIO; 239 240void BIO_set_flags(BIO *b, int flags); 241int BIO_test_flags(const BIO *b, int flags); 242void BIO_clear_flags(BIO *b, int flags); 243 244# define BIO_get_flags(b) BIO_test_flags(b, ~(0x0)) 245# define BIO_set_retry_special(b) \ 246 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY)) 247# define BIO_set_retry_read(b) \ 248 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY)) 249# define BIO_set_retry_write(b) \ 250 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY)) 251 252/* These are normally used internally in BIOs */ 253# define BIO_clear_retry_flags(b) \ 254 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) 255# define BIO_get_retry_flags(b) \ 256 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) 257 258/* These should be used by the application to tell why we should retry */ 259# define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ) 260# define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE) 261# define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL) 262# define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS) 263# define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY) 264 265/* 266 * The next three are used in conjunction with the BIO_should_io_special() 267 * condition. After this returns true, BIO *BIO_get_retry_BIO(BIO *bio, int 268 * *reason); will walk the BIO stack and return the 'reason' for the special 269 * and the offending BIO. Given a BIO, BIO_get_retry_reason(bio) will return 270 * the code. 271 */ 272/* 273 * Returned from the SSL bio when the certificate retrieval code had an error 274 */ 275# define BIO_RR_SSL_X509_LOOKUP 0x01 276/* Returned from the connect BIO when a connect would have blocked */ 277# define BIO_RR_CONNECT 0x02 278/* Returned from the accept BIO when an accept would have blocked */ 279# define BIO_RR_ACCEPT 0x03 280 281/* These are passed by the BIO callback */ 282# define BIO_CB_FREE 0x01 283# define BIO_CB_READ 0x02 284# define BIO_CB_WRITE 0x03 285# define BIO_CB_PUTS 0x04 286# define BIO_CB_GETS 0x05 287# define BIO_CB_CTRL 0x06 288 289/* 290 * The callback is called before and after the underling operation, The 291 * BIO_CB_RETURN flag indicates if it is after the call 292 */ 293# define BIO_CB_RETURN 0x80 294# define BIO_CB_return(a) ((a)|BIO_CB_RETURN) 295# define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN)) 296# define BIO_cb_post(a) ((a)&BIO_CB_RETURN) 297 298long (*BIO_get_callback(const BIO *b)) (struct bio_st *, int, const char *, 299 int, long, long); 300void BIO_set_callback(BIO *b, 301 long (*callback) (struct bio_st *, int, const char *, 302 int, long, long)); 303char *BIO_get_callback_arg(const BIO *b); 304void BIO_set_callback_arg(BIO *b, char *arg); 305 306const char *BIO_method_name(const BIO *b); 307int BIO_method_type(const BIO *b); 308 309typedef void bio_info_cb (struct bio_st *, int, const char *, int, long, 310 long); 311 312typedef struct bio_method_st { 313 int type; 314 const char *name; 315 int (*bwrite) (BIO *, const char *, int); 316 int (*bread) (BIO *, char *, int); 317 int (*bputs) (BIO *, const char *); 318 int (*bgets) (BIO *, char *, int); 319 long (*ctrl) (BIO *, int, long, void *); 320 int (*create) (BIO *); 321 int (*destroy) (BIO *); 322 long (*callback_ctrl) (BIO *, int, bio_info_cb *); 323} BIO_METHOD; 324 325struct bio_st { 326 BIO_METHOD *method; 327 /* bio, mode, argp, argi, argl, ret */ 328 long (*callback) (struct bio_st *, int, const char *, int, long, long); 329 char *cb_arg; /* first argument for the callback */ 330 int init; 331 int shutdown; 332 int flags; /* extra storage */ 333 int retry_reason; 334 int num; 335 void *ptr; 336 struct bio_st *next_bio; /* used by filter BIOs */ 337 struct bio_st *prev_bio; /* used by filter BIOs */ 338 int references; 339 unsigned long num_read; 340 unsigned long num_write; 341 CRYPTO_EX_DATA ex_data; 342}; 343 344DECLARE_STACK_OF(BIO) 345 346typedef struct bio_f_buffer_ctx_struct { 347 /*- 348 * Buffers are setup like this: 349 * 350 * <---------------------- size -----------------------> 351 * +---------------------------------------------------+ 352 * | consumed | remaining | free space | 353 * +---------------------------------------------------+ 354 * <-- off --><------- len -------> 355 */ 356 /*- BIO *bio; *//* 357 * this is now in the BIO struct 358 */ 359 int ibuf_size; /* how big is the input buffer */ 360 int obuf_size; /* how big is the output buffer */ 361 char *ibuf; /* the char array */ 362 int ibuf_len; /* how many bytes are in it */ 363 int ibuf_off; /* write/read offset */ 364 char *obuf; /* the char array */ 365 int obuf_len; /* how many bytes are in it */ 366 int obuf_off; /* write/read offset */ 367} BIO_F_BUFFER_CTX; 368 369/* Prefix and suffix callback in ASN1 BIO */ 370typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen, 371 void *parg); 372 373# ifndef OPENSSL_NO_SCTP 374/* SCTP parameter structs */ 375struct bio_dgram_sctp_sndinfo { 376 uint16_t snd_sid; 377 uint16_t snd_flags; 378 uint32_t snd_ppid; 379 uint32_t snd_context; 380}; 381 382struct bio_dgram_sctp_rcvinfo { 383 uint16_t rcv_sid; 384 uint16_t rcv_ssn; 385 uint16_t rcv_flags; 386 uint32_t rcv_ppid; 387 uint32_t rcv_tsn; 388 uint32_t rcv_cumtsn; 389 uint32_t rcv_context; 390}; 391 392struct bio_dgram_sctp_prinfo { 393 uint16_t pr_policy; 394 uint32_t pr_value; 395}; 396# endif 397 398/* connect BIO stuff */ 399# define BIO_CONN_S_BEFORE 1 400# define BIO_CONN_S_GET_IP 2 401# define BIO_CONN_S_GET_PORT 3 402# define BIO_CONN_S_CREATE_SOCKET 4 403# define BIO_CONN_S_CONNECT 5 404# define BIO_CONN_S_OK 6 405# define BIO_CONN_S_BLOCKED_CONNECT 7 406# define BIO_CONN_S_NBIO 8 407/* 408 * #define BIO_CONN_get_param_hostname BIO_ctrl 409 */ 410 411# define BIO_C_SET_CONNECT 100 412# define BIO_C_DO_STATE_MACHINE 101 413# define BIO_C_SET_NBIO 102 414# define BIO_C_SET_PROXY_PARAM 103 415# define BIO_C_SET_FD 104 416# define BIO_C_GET_FD 105 417# define BIO_C_SET_FILE_PTR 106 418# define BIO_C_GET_FILE_PTR 107 419# define BIO_C_SET_FILENAME 108 420# define BIO_C_SET_SSL 109 421# define BIO_C_GET_SSL 110 422# define BIO_C_SET_MD 111 423# define BIO_C_GET_MD 112 424# define BIO_C_GET_CIPHER_STATUS 113 425# define BIO_C_SET_BUF_MEM 114 426# define BIO_C_GET_BUF_MEM_PTR 115 427# define BIO_C_GET_BUFF_NUM_LINES 116 428# define BIO_C_SET_BUFF_SIZE 117 429# define BIO_C_SET_ACCEPT 118 430# define BIO_C_SSL_MODE 119 431# define BIO_C_GET_MD_CTX 120 432# define BIO_C_GET_PROXY_PARAM 121 433# define BIO_C_SET_BUFF_READ_DATA 122/* data to read first */ 434# define BIO_C_GET_CONNECT 123 435# define BIO_C_GET_ACCEPT 124 436# define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125 437# define BIO_C_GET_SSL_NUM_RENEGOTIATES 126 438# define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127 439# define BIO_C_FILE_SEEK 128 440# define BIO_C_GET_CIPHER_CTX 129 441# define BIO_C_SET_BUF_MEM_EOF_RETURN 130/* return end of input 442 * value */ 443# define BIO_C_SET_BIND_MODE 131 444# define BIO_C_GET_BIND_MODE 132 445# define BIO_C_FILE_TELL 133 446# define BIO_C_GET_SOCKS 134 447# define BIO_C_SET_SOCKS 135 448 449# define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */ 450# define BIO_C_GET_WRITE_BUF_SIZE 137 451# define BIO_C_MAKE_BIO_PAIR 138 452# define BIO_C_DESTROY_BIO_PAIR 139 453# define BIO_C_GET_WRITE_GUARANTEE 140 454# define BIO_C_GET_READ_REQUEST 141 455# define BIO_C_SHUTDOWN_WR 142 456# define BIO_C_NREAD0 143 457# define BIO_C_NREAD 144 458# define BIO_C_NWRITE0 145 459# define BIO_C_NWRITE 146 460# define BIO_C_RESET_READ_REQUEST 147 461# define BIO_C_SET_MD_CTX 148 462 463# define BIO_C_SET_PREFIX 149 464# define BIO_C_GET_PREFIX 150 465# define BIO_C_SET_SUFFIX 151 466# define BIO_C_GET_SUFFIX 152 467 468# define BIO_C_SET_EX_ARG 153 469# define BIO_C_GET_EX_ARG 154 470 471# define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg) 472# define BIO_get_app_data(s) BIO_get_ex_data(s,0) 473 474/* BIO_s_connect() and BIO_s_socks4a_connect() */ 475# define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name) 476# define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port) 477# define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip) 478# define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port) 479# define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0) 480# define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1) 481# define BIO_get_conn_ip(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2) 482# define BIO_get_conn_int_port(b) BIO_ctrl(b,BIO_C_GET_CONNECT,3,NULL) 483 484# define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) 485 486/* BIO_s_accept() */ 487# define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name) 488# define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0) 489/* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */ 490# define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?(void *)"a":NULL) 491# define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio) 492 493# define BIO_BIND_NORMAL 0 494# define BIO_BIND_REUSEADDR_IF_UNUSED 1 495# define BIO_BIND_REUSEADDR 2 496# define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL) 497# define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL) 498 499/* BIO_s_accept() and BIO_s_connect() */ 500# define BIO_do_connect(b) BIO_do_handshake(b) 501# define BIO_do_accept(b) BIO_do_handshake(b) 502# define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL) 503 504/* BIO_s_proxy_client() */ 505# define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url)) 506# define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p)) 507/* BIO_set_nbio(b,n) */ 508# define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s)) 509/* BIO *BIO_get_filter_bio(BIO *bio); */ 510# define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)())) 511# define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk) 512# define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool) 513 514# define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp) 515# define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p)) 516# define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url)) 517# define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL) 518 519/* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */ 520# define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd) 521# define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c) 522 523/* BIO_s_file() */ 524# define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp) 525# define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp) 526 527/* BIO_s_fd() and BIO_s_file() */ 528# define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL) 529# define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL) 530 531/* 532 * name is cast to lose const, but might be better to route through a 533 * function so we can do it safely 534 */ 535# ifdef CONST_STRICT 536/* 537 * If you are wondering why this isn't defined, its because CONST_STRICT is 538 * purely a compile-time kludge to allow const to be checked. 539 */ 540int BIO_read_filename(BIO *b, const char *name); 541# else 542# define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 543 BIO_CLOSE|BIO_FP_READ,(char *)name) 544# endif 545# define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 546 BIO_CLOSE|BIO_FP_WRITE,name) 547# define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 548 BIO_CLOSE|BIO_FP_APPEND,name) 549# define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 550 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name) 551 552/* 553 * WARNING WARNING, this ups the reference count on the read bio of the SSL 554 * structure. This is because the ssl read BIO is now pointed to by the 555 * next_bio field in the bio. So when you free the BIO, make sure you are 556 * doing a BIO_free_all() to catch the underlying BIO. 557 */ 558# define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl) 559# define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp) 560# define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL) 561# define BIO_set_ssl_renegotiate_bytes(b,num) \ 562 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL) 563# define BIO_get_num_renegotiates(b) \ 564 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL) 565# define BIO_set_ssl_renegotiate_timeout(b,seconds) \ 566 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL) 567 568/* defined in evp.h */ 569/* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */ 570 571# define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp) 572# define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm) 573# define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp) 574# define BIO_set_mem_eof_return(b,v) \ 575 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL) 576 577/* For the BIO_f_buffer() type */ 578# define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL) 579# define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL) 580# define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0) 581# define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1) 582# define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf) 583 584/* Don't use the next one unless you know what you are doing :-) */ 585# define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret)) 586 587# define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL) 588# define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL) 589# define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL) 590# define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL) 591# define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL) 592# define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL) 593/* ...pending macros have inappropriate return type */ 594size_t BIO_ctrl_pending(BIO *b); 595size_t BIO_ctrl_wpending(BIO *b); 596# define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL) 597# define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \ 598 cbp) 599# define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb) 600 601/* For the BIO_f_buffer() type */ 602# define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL) 603 604/* For BIO_s_bio() */ 605# define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL) 606# define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL) 607# define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2) 608# define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL) 609# define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL) 610/* macros with inappropriate type -- but ...pending macros use int too: */ 611# define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL) 612# define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL) 613size_t BIO_ctrl_get_write_guarantee(BIO *b); 614size_t BIO_ctrl_get_read_request(BIO *b); 615int BIO_ctrl_reset_read_request(BIO *b); 616 617/* ctrl macros for dgram */ 618# define BIO_ctrl_dgram_connect(b,peer) \ 619 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer) 620# define BIO_ctrl_set_connected(b, state, peer) \ 621 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (char *)peer) 622# define BIO_dgram_recv_timedout(b) \ 623 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL) 624# define BIO_dgram_send_timedout(b) \ 625 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL) 626# define BIO_dgram_get_peer(b,peer) \ 627 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer) 628# define BIO_dgram_set_peer(b,peer) \ 629 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer) 630# define BIO_dgram_get_mtu_overhead(b) \ 631 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL) 632 633/* These two aren't currently implemented */ 634/* int BIO_get_ex_num(BIO *bio); */ 635/* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */ 636int BIO_set_ex_data(BIO *bio, int idx, void *data); 637void *BIO_get_ex_data(BIO *bio, int idx); 638int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 639 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); 640unsigned long BIO_number_read(BIO *bio); 641unsigned long BIO_number_written(BIO *bio); 642 643/* For BIO_f_asn1() */ 644int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix, 645 asn1_ps_func *prefix_free); 646int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix, 647 asn1_ps_func **pprefix_free); 648int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix, 649 asn1_ps_func *suffix_free); 650int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix, 651 asn1_ps_func **psuffix_free); 652 653# ifndef OPENSSL_NO_FP_API 654BIO_METHOD *BIO_s_file(void); 655BIO *BIO_new_file(const char *filename, const char *mode); 656BIO *BIO_new_fp(FILE *stream, int close_flag); 657# define BIO_s_file_internal BIO_s_file 658# endif 659BIO *BIO_new(BIO_METHOD *type); 660int BIO_set(BIO *a, BIO_METHOD *type); 661int BIO_free(BIO *a); 662void BIO_vfree(BIO *a); 663int BIO_read(BIO *b, void *data, int len); 664int BIO_gets(BIO *bp, char *buf, int size); 665int BIO_write(BIO *b, const void *data, int len); 666int BIO_puts(BIO *bp, const char *buf); 667int BIO_indent(BIO *b, int indent, int max); 668long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg); 669long BIO_callback_ctrl(BIO *b, int cmd, 670 void (*fp) (struct bio_st *, int, const char *, int, 671 long, long)); 672char *BIO_ptr_ctrl(BIO *bp, int cmd, long larg); 673long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg); 674BIO *BIO_push(BIO *b, BIO *append); 675BIO *BIO_pop(BIO *b); 676void BIO_free_all(BIO *a); 677BIO *BIO_find_type(BIO *b, int bio_type); 678BIO *BIO_next(BIO *b); 679BIO *BIO_get_retry_BIO(BIO *bio, int *reason); 680int BIO_get_retry_reason(BIO *bio); 681BIO *BIO_dup_chain(BIO *in); 682 683int BIO_nread0(BIO *bio, char **buf); 684int BIO_nread(BIO *bio, char **buf, int num); 685int BIO_nwrite0(BIO *bio, char **buf); 686int BIO_nwrite(BIO *bio, char **buf, int num); 687 688long BIO_debug_callback(BIO *bio, int cmd, const char *argp, int argi, 689 long argl, long ret); 690 691BIO_METHOD *BIO_s_mem(void); 692BIO *BIO_new_mem_buf(const void *buf, int len); 693BIO_METHOD *BIO_s_socket(void); 694BIO_METHOD *BIO_s_connect(void); 695BIO_METHOD *BIO_s_accept(void); 696BIO_METHOD *BIO_s_fd(void); 697# ifndef OPENSSL_SYS_OS2 698BIO_METHOD *BIO_s_log(void); 699# endif 700BIO_METHOD *BIO_s_bio(void); 701BIO_METHOD *BIO_s_null(void); 702BIO_METHOD *BIO_f_null(void); 703BIO_METHOD *BIO_f_buffer(void); 704# ifdef OPENSSL_SYS_VMS 705BIO_METHOD *BIO_f_linebuffer(void); 706# endif 707BIO_METHOD *BIO_f_nbio_test(void); 708# ifndef OPENSSL_NO_DGRAM 709BIO_METHOD *BIO_s_datagram(void); 710# ifndef OPENSSL_NO_SCTP 711BIO_METHOD *BIO_s_datagram_sctp(void); 712# endif 713# endif 714 715/* BIO_METHOD *BIO_f_ber(void); */ 716 717int BIO_sock_should_retry(int i); 718int BIO_sock_non_fatal_error(int error); 719int BIO_dgram_non_fatal_error(int error); 720 721int BIO_fd_should_retry(int i); 722int BIO_fd_non_fatal_error(int error); 723int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u), 724 void *u, const char *s, int len); 725int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u), 726 void *u, const char *s, int len, int indent); 727int BIO_dump(BIO *b, const char *bytes, int len); 728int BIO_dump_indent(BIO *b, const char *bytes, int len, int indent); 729# ifndef OPENSSL_NO_FP_API 730int BIO_dump_fp(FILE *fp, const char *s, int len); 731int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent); 732# endif 733int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data, 734 int datalen); 735 736struct hostent *BIO_gethostbyname(const char *name); 737/*- 738 * We might want a thread-safe interface too: 739 * struct hostent *BIO_gethostbyname_r(const char *name, 740 * struct hostent *result, void *buffer, size_t buflen); 741 * or something similar (caller allocates a struct hostent, 742 * pointed to by "result", and additional buffer space for the various 743 * substructures; if the buffer does not suffice, NULL is returned 744 * and an appropriate error code is set). 745 */ 746int BIO_sock_error(int sock); 747int BIO_socket_ioctl(int fd, long type, void *arg); 748int BIO_socket_nbio(int fd, int mode); 749int BIO_get_port(const char *str, unsigned short *port_ptr); 750int BIO_get_host_ip(const char *str, unsigned char *ip); 751int BIO_get_accept_socket(char *host_port, int mode); 752int BIO_accept(int sock, char **ip_port); 753int BIO_sock_init(void); 754void BIO_sock_cleanup(void); 755int BIO_set_tcp_ndelay(int sock, int turn_on); 756 757BIO *BIO_new_socket(int sock, int close_flag); 758BIO *BIO_new_dgram(int fd, int close_flag); 759# ifndef OPENSSL_NO_SCTP 760BIO *BIO_new_dgram_sctp(int fd, int close_flag); 761int BIO_dgram_is_sctp(BIO *bio); 762int BIO_dgram_sctp_notification_cb(BIO *b, 763 void (*handle_notifications) (BIO *bio, 764 void 765 *context, 766 void *buf), 767 void *context); 768int BIO_dgram_sctp_wait_for_dry(BIO *b); 769int BIO_dgram_sctp_msg_waiting(BIO *b); 770# endif 771BIO *BIO_new_fd(int fd, int close_flag); 772BIO *BIO_new_connect(const char *host_port); 773BIO *BIO_new_accept(const char *host_port); 774 775int BIO_new_bio_pair(BIO **bio1, size_t writebuf1, 776 BIO **bio2, size_t writebuf2); 777/* 778 * If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints. 779 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. Size 0 uses default 780 * value. 781 */ 782 783void BIO_copy_next_retry(BIO *b); 784 785/* 786 * long BIO_ghbn_ctrl(int cmd,int iarg,char *parg); 787 */ 788 789# ifdef __GNUC__ 790# define __bio_h__attr__ __attribute__ 791# else 792# define __bio_h__attr__(x) 793# endif 794int BIO_printf(BIO *bio, const char *format, ...) 795__bio_h__attr__((__format__(__printf__, 2, 3))); 796int BIO_vprintf(BIO *bio, const char *format, va_list args) 797__bio_h__attr__((__format__(__printf__, 2, 0))); 798int BIO_snprintf(char *buf, size_t n, const char *format, ...) 799__bio_h__attr__((__format__(__printf__, 3, 4))); 800int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) 801__bio_h__attr__((__format__(__printf__, 3, 0))); 802# undef __bio_h__attr__ 803 804/* BEGIN ERROR CODES */ 805/* 806 * The following lines are auto generated by the script mkerr.pl. Any changes 807 * made after this point may be overwritten when the script is next run. 808 */ 809void ERR_load_BIO_strings(void); 810 811/* Error codes for the BIO functions. */ 812 813/* Function codes. */ 814# define BIO_F_ACPT_STATE 100 815# define BIO_F_BIO_ACCEPT 101 816# define BIO_F_BIO_BER_GET_HEADER 102 817# define BIO_F_BIO_CALLBACK_CTRL 131 818# define BIO_F_BIO_CTRL 103 819# define BIO_F_BIO_GETHOSTBYNAME 120 820# define BIO_F_BIO_GETS 104 821# define BIO_F_BIO_GET_ACCEPT_SOCKET 105 822# define BIO_F_BIO_GET_HOST_IP 106 823# define BIO_F_BIO_GET_PORT 107 824# define BIO_F_BIO_MAKE_PAIR 121 825# define BIO_F_BIO_NEW 108 826# define BIO_F_BIO_NEW_FILE 109 827# define BIO_F_BIO_NEW_MEM_BUF 126 828# define BIO_F_BIO_NREAD 123 829# define BIO_F_BIO_NREAD0 124 830# define BIO_F_BIO_NWRITE 125 831# define BIO_F_BIO_NWRITE0 122 832# define BIO_F_BIO_PUTS 110 833# define BIO_F_BIO_READ 111 834# define BIO_F_BIO_SOCK_INIT 112 835# define BIO_F_BIO_WRITE 113 836# define BIO_F_BUFFER_CTRL 114 837# define BIO_F_CONN_CTRL 127 838# define BIO_F_CONN_STATE 115 839# define BIO_F_DGRAM_SCTP_READ 132 840# define BIO_F_DGRAM_SCTP_WRITE 133 841# define BIO_F_FILE_CTRL 116 842# define BIO_F_FILE_READ 130 843# define BIO_F_LINEBUFFER_CTRL 129 844# define BIO_F_MEM_READ 128 845# define BIO_F_MEM_WRITE 117 846# define BIO_F_SSL_NEW 118 847# define BIO_F_WSASTARTUP 119 848 849/* Reason codes. */ 850# define BIO_R_ACCEPT_ERROR 100 851# define BIO_R_BAD_FOPEN_MODE 101 852# define BIO_R_BAD_HOSTNAME_LOOKUP 102 853# define BIO_R_BROKEN_PIPE 124 854# define BIO_R_CONNECT_ERROR 103 855# define BIO_R_EOF_ON_MEMORY_BIO 127 856# define BIO_R_ERROR_SETTING_NBIO 104 857# define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105 858# define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106 859# define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107 860# define BIO_R_INVALID_ARGUMENT 125 861# define BIO_R_INVALID_IP_ADDRESS 108 862# define BIO_R_IN_USE 123 863# define BIO_R_KEEPALIVE 109 864# define BIO_R_NBIO_CONNECT_ERROR 110 865# define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111 866# define BIO_R_NO_HOSTNAME_SPECIFIED 112 867# define BIO_R_NO_PORT_DEFINED 113 868# define BIO_R_NO_PORT_SPECIFIED 114 869# define BIO_R_NO_SUCH_FILE 128 870# define BIO_R_NULL_PARAMETER 115 871# define BIO_R_TAG_MISMATCH 116 872# define BIO_R_UNABLE_TO_BIND_SOCKET 117 873# define BIO_R_UNABLE_TO_CREATE_SOCKET 118 874# define BIO_R_UNABLE_TO_LISTEN_SOCKET 119 875# define BIO_R_UNINITIALIZED 120 876# define BIO_R_UNSUPPORTED_METHOD 121 877# define BIO_R_WRITE_TO_READ_ONLY_BIO 126 878# define BIO_R_WSASTARTUP 122 879 880#ifdef __cplusplus 881} 882#endif 883#endif 884