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