1 /* $OpenBSD: bio.h,v 1.45 2018/06/02 04:41:12 tb Exp $ */ 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 #if !defined(HAVE_ATTRIBUTE__BOUNDED__) && !defined(__OpenBSD__) 62 #define __bounded__(x, y, z) 63 #endif 64 #include <openssl/opensslconf.h> 65 66 # include <stdio.h> 67 #include <stdarg.h> 68 69 #include <openssl/crypto.h> 70 71 72 #ifdef __cplusplus 73 extern "C" { 74 #endif 75 76 /* These are the 'types' of BIOs */ 77 #define BIO_TYPE_NONE 0 78 #define BIO_TYPE_MEM (1|0x0400) 79 #define BIO_TYPE_FILE (2|0x0400) 80 81 #define BIO_TYPE_FD (4|0x0400|0x0100) 82 #define BIO_TYPE_SOCKET (5|0x0400|0x0100) 83 #define BIO_TYPE_NULL (6|0x0400) 84 #define BIO_TYPE_SSL (7|0x0200) 85 #define BIO_TYPE_MD (8|0x0200) /* passive filter */ 86 #define BIO_TYPE_BUFFER (9|0x0200) /* filter */ 87 #define BIO_TYPE_CIPHER (10|0x0200) /* filter */ 88 #define BIO_TYPE_BASE64 (11|0x0200) /* filter */ 89 #define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */ 90 #define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */ 91 #define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */ 92 #define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */ 93 #define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */ 94 #define BIO_TYPE_NULL_FILTER (17|0x0200) 95 #define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */ 96 #define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */ 97 #define BIO_TYPE_LINEBUFFER (20|0x0200) /* filter */ 98 #define BIO_TYPE_DGRAM (21|0x0400|0x0100) 99 #define BIO_TYPE_ASN1 (22|0x0200) /* filter */ 100 #define BIO_TYPE_COMP (23|0x0200) /* filter */ 101 102 #define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */ 103 #define BIO_TYPE_FILTER 0x0200 104 #define BIO_TYPE_SOURCE_SINK 0x0400 105 106 /* 107 * BIO_TYPE_START is the first user-allocated BIO type. No pre-defined type, 108 * flag bits aside, may exceed this value. 109 */ 110 #define BIO_TYPE_START 128 111 112 /* BIO_FILENAME_READ|BIO_CLOSE to open or close on free. 113 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */ 114 #define BIO_NOCLOSE 0x00 115 #define BIO_CLOSE 0x01 116 117 /* These are used in the following macros and are passed to 118 * BIO_ctrl() */ 119 #define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */ 120 #define BIO_CTRL_EOF 2 /* opt - are we at the eof */ 121 #define BIO_CTRL_INFO 3 /* opt - extra tit-bits */ 122 #define BIO_CTRL_SET 4 /* man - set the 'IO' type */ 123 #define BIO_CTRL_GET 5 /* man - get the 'IO' type */ 124 #define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */ 125 #define BIO_CTRL_POP 7 /* opt - internal, used to signify change */ 126 #define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */ 127 #define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */ 128 #define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */ 129 #define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */ 130 #define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */ 131 #define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */ 132 /* callback is int cb(BIO *bio,state,ret); */ 133 #define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */ 134 #define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */ 135 136 #define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */ 137 138 /* dgram BIO stuff */ 139 #define BIO_CTRL_DGRAM_CONNECT 31 /* BIO dgram special */ 140 #define BIO_CTRL_DGRAM_SET_CONNECTED 32 /* allow for an externally 141 * connected socket to be 142 * passed in */ 143 #define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33 /* setsockopt, essentially */ 144 #define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34 /* getsockopt, essentially */ 145 #define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35 /* setsockopt, essentially */ 146 #define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36 /* getsockopt, essentially */ 147 148 #define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37 /* flag whether the last */ 149 #define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38 /* I/O operation tiemd out */ 150 151 /* #ifdef IP_MTU_DISCOVER */ 152 #define BIO_CTRL_DGRAM_MTU_DISCOVER 39 /* set DF bit on egress packets */ 153 /* #endif */ 154 155 #define BIO_CTRL_DGRAM_QUERY_MTU 40 /* as kernel for current MTU */ 156 #define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47 157 #define BIO_CTRL_DGRAM_GET_MTU 41 /* get cached value for MTU */ 158 #define BIO_CTRL_DGRAM_SET_MTU 42 /* set cached value for 159 * MTU. want to use this 160 * if asking the kernel 161 * fails */ 162 163 #define BIO_CTRL_DGRAM_MTU_EXCEEDED 43 /* check whether the MTU 164 * was exceed in the 165 * previous write 166 * operation */ 167 168 #define BIO_CTRL_DGRAM_GET_PEER 46 169 #define BIO_CTRL_DGRAM_SET_PEER 44 /* Destination for the data */ 170 171 #define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45 /* Next DTLS handshake timeout to 172 * adjust socket timeouts */ 173 174 175 /* modifiers */ 176 #define BIO_FP_READ 0x02 177 #define BIO_FP_WRITE 0x04 178 #define BIO_FP_APPEND 0x08 179 #define BIO_FP_TEXT 0x10 180 181 #define BIO_FLAGS_READ 0x01 182 #define BIO_FLAGS_WRITE 0x02 183 #define BIO_FLAGS_IO_SPECIAL 0x04 184 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL) 185 #define BIO_FLAGS_SHOULD_RETRY 0x08 186 187 /* Used in BIO_gethostbyname() */ 188 #define BIO_GHBN_CTRL_HITS 1 189 #define BIO_GHBN_CTRL_MISSES 2 190 #define BIO_GHBN_CTRL_CACHE_SIZE 3 191 #define BIO_GHBN_CTRL_GET_ENTRY 4 192 #define BIO_GHBN_CTRL_FLUSH 5 193 194 /* Mostly used in the SSL BIO */ 195 /* Not used anymore 196 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10 197 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20 198 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40 199 */ 200 201 #define BIO_FLAGS_BASE64_NO_NL 0x100 202 203 /* This is used with memory BIOs: it means we shouldn't free up or change the 204 * data in any way. 205 */ 206 #define BIO_FLAGS_MEM_RDONLY 0x200 207 208 typedef struct bio_st BIO; 209 210 void BIO_set_flags(BIO *b, int flags); 211 int BIO_test_flags(const BIO *b, int flags); 212 void BIO_clear_flags(BIO *b, int flags); 213 214 #define BIO_get_flags(b) BIO_test_flags(b, ~(0x0)) 215 #define BIO_set_retry_special(b) \ 216 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY)) 217 #define BIO_set_retry_read(b) \ 218 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY)) 219 #define BIO_set_retry_write(b) \ 220 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY)) 221 222 /* These are normally used internally in BIOs */ 223 #define BIO_clear_retry_flags(b) \ 224 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) 225 #define BIO_get_retry_flags(b) \ 226 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) 227 228 /* These should be used by the application to tell why we should retry */ 229 #define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ) 230 #define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE) 231 #define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL) 232 #define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS) 233 #define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY) 234 235 /* The next three are used in conjunction with the 236 * BIO_should_io_special() condition. After this returns true, 237 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO 238 * stack and return the 'reason' for the special and the offending BIO. 239 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */ 240 /* Returned from the SSL bio when the certificate retrieval code had an error */ 241 #define BIO_RR_SSL_X509_LOOKUP 0x01 242 /* Returned from the connect BIO when a connect would have blocked */ 243 #define BIO_RR_CONNECT 0x02 244 /* Returned from the accept BIO when an accept would have blocked */ 245 #define BIO_RR_ACCEPT 0x03 246 247 /* These are passed by the BIO callback */ 248 #define BIO_CB_FREE 0x01 249 #define BIO_CB_READ 0x02 250 #define BIO_CB_WRITE 0x03 251 #define BIO_CB_PUTS 0x04 252 #define BIO_CB_GETS 0x05 253 #define BIO_CB_CTRL 0x06 254 255 /* The callback is called before and after the underling operation, 256 * The BIO_CB_RETURN flag indicates if it is after the call */ 257 #define BIO_CB_RETURN 0x80 258 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN)) 259 #define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN)) 260 #define BIO_cb_post(a) ((a)&BIO_CB_RETURN) 261 262 long (*BIO_get_callback(const BIO *b))(struct bio_st *, int, const char *, 263 int, long, long); 264 void BIO_set_callback(BIO *b, 265 long (*callback)(struct bio_st *, int, const char *, int, long, long)); 266 char *BIO_get_callback_arg(const BIO *b); 267 void BIO_set_callback_arg(BIO *b, char *arg); 268 269 const char * BIO_method_name(const BIO *b); 270 int BIO_method_type(const BIO *b); 271 272 typedef void bio_info_cb(struct bio_st *, int, const char *, int, long, long); 273 typedef int BIO_info_cb(BIO *, int, int); 274 275 typedef struct bio_method_st { 276 int type; 277 const char *name; 278 int (*bwrite)(BIO *, const char *, int); 279 int (*bread)(BIO *, char *, int); 280 int (*bputs)(BIO *, const char *); 281 int (*bgets)(BIO *, char *, int); 282 long (*ctrl)(BIO *, int, long, void *); 283 int (*create)(BIO *); 284 int (*destroy)(BIO *); 285 long (*callback_ctrl)(BIO *, int, bio_info_cb *); 286 } BIO_METHOD; 287 288 struct bio_st { 289 const BIO_METHOD *method; 290 /* bio, mode, argp, argi, argl, ret */ 291 long (*callback)(struct bio_st *, int, const char *, int, long, long); 292 char *cb_arg; /* first argument for the callback */ 293 294 int init; 295 int shutdown; 296 int flags; /* extra storage */ 297 int retry_reason; 298 int num; 299 void *ptr; 300 struct bio_st *next_bio; /* used by filter BIOs */ 301 struct bio_st *prev_bio; /* used by filter BIOs */ 302 int references; 303 unsigned long num_read; 304 unsigned long num_write; 305 306 CRYPTO_EX_DATA ex_data; 307 }; 308 309 DECLARE_STACK_OF(BIO) 310 311 typedef struct bio_f_buffer_ctx_struct { 312 /* Buffers are setup like this: 313 * 314 * <---------------------- size -----------------------> 315 * +---------------------------------------------------+ 316 * | consumed | remaining | free space | 317 * +---------------------------------------------------+ 318 * <-- off --><------- len -------> 319 */ 320 321 /* BIO *bio; */ /* this is now in the BIO struct */ 322 int ibuf_size; /* how big is the input buffer */ 323 int obuf_size; /* how big is the output buffer */ 324 325 char *ibuf; /* the char array */ 326 int ibuf_len; /* how many bytes are in it */ 327 int ibuf_off; /* write/read offset */ 328 329 char *obuf; /* the char array */ 330 int obuf_len; /* how many bytes are in it */ 331 int obuf_off; /* write/read offset */ 332 } BIO_F_BUFFER_CTX; 333 334 /* Prefix and suffix callback in ASN1 BIO */ 335 typedef int asn1_ps_func(BIO *b, unsigned char **pbuf, int *plen, void *parg); 336 337 /* BIO_METHOD accessors */ 338 BIO_METHOD *BIO_meth_new(int type, const char *name); 339 void BIO_meth_free(BIO_METHOD *biom); 340 int (*BIO_meth_get_write(const BIO_METHOD *biom))(BIO *, const char *, int); 341 int BIO_meth_set_write(BIO_METHOD *biom, 342 int (*write)(BIO *, const char *, int)); 343 int (*BIO_meth_get_read(const BIO_METHOD *biom))(BIO *, char *, int); 344 int BIO_meth_set_read(BIO_METHOD *biom, int (*read)(BIO *, char *, int)); 345 int (*BIO_meth_get_puts(const BIO_METHOD *biom))(BIO *, const char *); 346 int BIO_meth_set_puts(BIO_METHOD *biom, int (*puts)(BIO *, const char *)); 347 int (*BIO_meth_get_gets(const BIO_METHOD *biom))(BIO *, char *, int); 348 int BIO_meth_set_gets(BIO_METHOD *biom, int (*gets)(BIO *, char *, int)); 349 long (*BIO_meth_get_ctrl(const BIO_METHOD *biom))(BIO *, int, long, void *); 350 int BIO_meth_set_ctrl(BIO_METHOD *biom, long (*ctrl)(BIO *, int, long, void *)); 351 int (*BIO_meth_get_create(const BIO_METHOD *biom))(BIO *); 352 int BIO_meth_set_create(BIO_METHOD *biom, int (*create)(BIO *)); 353 int (*BIO_meth_get_destroy(const BIO_METHOD *biom))(BIO *); 354 int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy)(BIO *)); 355 long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom))(BIO *, int, BIO_info_cb *); 356 int BIO_meth_set_callback_ctrl(BIO_METHOD *biom, 357 long (*callback_ctrl)(BIO *, int, BIO_info_cb *)); 358 359 /* connect BIO stuff */ 360 #define BIO_CONN_S_BEFORE 1 361 #define BIO_CONN_S_GET_IP 2 362 #define BIO_CONN_S_GET_PORT 3 363 #define BIO_CONN_S_CREATE_SOCKET 4 364 #define BIO_CONN_S_CONNECT 5 365 #define BIO_CONN_S_OK 6 366 #define BIO_CONN_S_BLOCKED_CONNECT 7 367 #define BIO_CONN_S_NBIO 8 368 /*#define BIO_CONN_get_param_hostname BIO_ctrl */ 369 370 #define BIO_C_SET_CONNECT 100 371 #define BIO_C_DO_STATE_MACHINE 101 372 #define BIO_C_SET_NBIO 102 373 #define BIO_C_SET_PROXY_PARAM 103 374 #define BIO_C_SET_FD 104 375 #define BIO_C_GET_FD 105 376 #define BIO_C_SET_FILE_PTR 106 377 #define BIO_C_GET_FILE_PTR 107 378 #define BIO_C_SET_FILENAME 108 379 #define BIO_C_SET_SSL 109 380 #define BIO_C_GET_SSL 110 381 #define BIO_C_SET_MD 111 382 #define BIO_C_GET_MD 112 383 #define BIO_C_GET_CIPHER_STATUS 113 384 #define BIO_C_SET_BUF_MEM 114 385 #define BIO_C_GET_BUF_MEM_PTR 115 386 #define BIO_C_GET_BUFF_NUM_LINES 116 387 #define BIO_C_SET_BUFF_SIZE 117 388 #define BIO_C_SET_ACCEPT 118 389 #define BIO_C_SSL_MODE 119 390 #define BIO_C_GET_MD_CTX 120 391 #define BIO_C_GET_PROXY_PARAM 121 392 #define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */ 393 #define BIO_C_GET_CONNECT 123 394 #define BIO_C_GET_ACCEPT 124 395 #define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125 396 #define BIO_C_GET_SSL_NUM_RENEGOTIATES 126 397 #define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127 398 #define BIO_C_FILE_SEEK 128 399 #define BIO_C_GET_CIPHER_CTX 129 400 #define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/ 401 #define BIO_C_SET_BIND_MODE 131 402 #define BIO_C_GET_BIND_MODE 132 403 #define BIO_C_FILE_TELL 133 404 #define BIO_C_GET_SOCKS 134 405 #define BIO_C_SET_SOCKS 135 406 407 #define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */ 408 #define BIO_C_GET_WRITE_BUF_SIZE 137 409 #define BIO_C_MAKE_BIO_PAIR 138 410 #define BIO_C_DESTROY_BIO_PAIR 139 411 #define BIO_C_GET_WRITE_GUARANTEE 140 412 #define BIO_C_GET_READ_REQUEST 141 413 #define BIO_C_SHUTDOWN_WR 142 414 #define BIO_C_NREAD0 143 415 #define BIO_C_NREAD 144 416 #define BIO_C_NWRITE0 145 417 #define BIO_C_NWRITE 146 418 #define BIO_C_RESET_READ_REQUEST 147 419 #define BIO_C_SET_MD_CTX 148 420 421 #define BIO_C_SET_PREFIX 149 422 #define BIO_C_GET_PREFIX 150 423 #define BIO_C_SET_SUFFIX 151 424 #define BIO_C_GET_SUFFIX 152 425 426 #define BIO_C_SET_EX_ARG 153 427 #define BIO_C_GET_EX_ARG 154 428 429 #define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg) 430 #define BIO_get_app_data(s) BIO_get_ex_data(s,0) 431 432 /* BIO_s_connect() and BIO_s_socks4a_connect() */ 433 #define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name) 434 #define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port) 435 #define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip) 436 #define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port) 437 #define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0) 438 #define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1) 439 #define BIO_get_conn_ip(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2) 440 #define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3,0) 441 442 443 #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) 444 445 /* BIO_s_accept_socket() */ 446 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name) 447 #define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0) 448 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */ 449 #define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?(void *)"a":NULL) 450 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio) 451 452 #define BIO_BIND_NORMAL 0 453 #define BIO_BIND_REUSEADDR_IF_UNUSED 1 454 #define BIO_BIND_REUSEADDR 2 455 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL) 456 #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL) 457 458 #define BIO_do_connect(b) BIO_do_handshake(b) 459 #define BIO_do_accept(b) BIO_do_handshake(b) 460 #define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL) 461 462 /* BIO_s_proxy_client() */ 463 #define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url)) 464 #define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p)) 465 /* BIO_set_nbio(b,n) */ 466 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s)) 467 /* BIO *BIO_get_filter_bio(BIO *bio); */ 468 #define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)())) 469 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk) 470 #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool) 471 472 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp) 473 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p)) 474 #define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url)) 475 #define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL) 476 477 #define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd) 478 #define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c) 479 480 #define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp) 481 #define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp) 482 483 #define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL) 484 #define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL) 485 486 /* name is cast to lose const, but might be better to route through a function 487 so we can do it safely */ 488 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 489 BIO_CLOSE|BIO_FP_READ,(char *)name) 490 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 491 BIO_CLOSE|BIO_FP_WRITE,name) 492 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 493 BIO_CLOSE|BIO_FP_APPEND,name) 494 #define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 495 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name) 496 497 /* WARNING WARNING, this ups the reference count on the read bio of the 498 * SSL structure. This is because the ssl read BIO is now pointed to by 499 * the next_bio field in the bio. So when you free the BIO, make sure 500 * you are doing a BIO_free_all() to catch the underlying BIO. */ 501 #define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl) 502 #define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp) 503 #define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL) 504 #define BIO_set_ssl_renegotiate_bytes(b,num) \ 505 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL) 506 #define BIO_get_num_renegotiates(b) \ 507 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL) 508 #define BIO_set_ssl_renegotiate_timeout(b,seconds) \ 509 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL) 510 511 /* defined in evp.h */ 512 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */ 513 514 #define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp) 515 #define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm) 516 #define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp) 517 #define BIO_set_mem_eof_return(b,v) \ 518 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL) 519 520 /* For the BIO_f_buffer() type */ 521 #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL) 522 #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL) 523 #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0) 524 #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1) 525 #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf) 526 527 /* Don't use the next one unless you know what you are doing :-) */ 528 #define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret)) 529 530 #define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL) 531 #define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL) 532 #define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL) 533 #define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL) 534 #define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL) 535 #define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL) 536 /* ...pending macros have inappropriate return type */ 537 size_t BIO_ctrl_pending(BIO *b); 538 size_t BIO_ctrl_wpending(BIO *b); 539 #define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL) 540 #define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \ 541 cbp) 542 #define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb) 543 544 /* For the BIO_f_buffer() type */ 545 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL) 546 547 /* For BIO_s_bio() */ 548 #define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL) 549 #define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL) 550 #define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2) 551 #define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL) 552 #define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL) 553 /* macros with inappropriate type -- but ...pending macros use int too: */ 554 #define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL) 555 #define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL) 556 size_t BIO_ctrl_get_write_guarantee(BIO *b); 557 size_t BIO_ctrl_get_read_request(BIO *b); 558 int BIO_ctrl_reset_read_request(BIO *b); 559 560 /* ctrl macros for dgram */ 561 #define BIO_ctrl_dgram_connect(b,peer) \ 562 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer) 563 #define BIO_ctrl_set_connected(b, state, peer) \ 564 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (char *)peer) 565 #define BIO_dgram_recv_timedout(b) \ 566 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL) 567 #define BIO_dgram_send_timedout(b) \ 568 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL) 569 #define BIO_dgram_get_peer(b,peer) \ 570 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer) 571 #define BIO_dgram_set_peer(b,peer) \ 572 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer) 573 574 /* These two aren't currently implemented */ 575 /* int BIO_get_ex_num(BIO *bio); */ 576 /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */ 577 int BIO_set_ex_data(BIO *bio, int idx, void *data); 578 void *BIO_get_ex_data(BIO *bio, int idx); 579 int 580 BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 581 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); 582 unsigned long BIO_number_read(BIO *bio); 583 unsigned long BIO_number_written(BIO *bio); 584 585 /* For BIO_f_asn1() */ 586 int 587 BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix, 588 asn1_ps_func *prefix_free); 589 int 590 BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix, 591 asn1_ps_func **pprefix_free); 592 int 593 BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix, 594 asn1_ps_func *suffix_free); 595 int 596 BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix, 597 asn1_ps_func **psuffix_free); 598 599 int BIO_get_new_index(void); 600 const BIO_METHOD *BIO_s_file(void); 601 BIO *BIO_new_file(const char *filename, const char *mode); 602 BIO *BIO_new_fp(FILE *stream, int close_flag); 603 # define BIO_s_file_internal BIO_s_file 604 BIO *BIO_new(const BIO_METHOD *type); 605 int BIO_set(BIO *a, const BIO_METHOD *type); 606 int BIO_free(BIO *a); 607 int BIO_up_ref(BIO *bio); 608 void *BIO_get_data(BIO *a); 609 void BIO_set_data(BIO *a, void *ptr); 610 void BIO_set_init(BIO *a, int init); 611 int BIO_get_shutdown(BIO *a); 612 void BIO_set_shutdown(BIO *a, int shut); 613 void BIO_vfree(BIO *a); 614 int BIO_read(BIO *b, void *data, int len) 615 __attribute__((__bounded__(__buffer__,2,3))); 616 int BIO_gets(BIO *bp, char *buf, int size) 617 __attribute__((__bounded__ (__string__,2,3))); 618 int BIO_write(BIO *b, const void *data, int len) 619 __attribute__((__bounded__(__buffer__,2,3))); 620 int BIO_puts(BIO *bp, const char *buf); 621 int BIO_indent(BIO *b, int indent, int max); 622 long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg); 623 long BIO_callback_ctrl(BIO *b, int cmd, 624 void (*fp)(struct bio_st *, int, const char *, int, long, long)); 625 char * BIO_ptr_ctrl(BIO *bp, int cmd, long larg); 626 long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg); 627 BIO * BIO_push(BIO *b, BIO *append); 628 BIO * BIO_pop(BIO *b); 629 void BIO_free_all(BIO *a); 630 BIO * BIO_find_type(BIO *b, int bio_type); 631 BIO * BIO_next(BIO *b); 632 BIO * BIO_get_retry_BIO(BIO *bio, int *reason); 633 int BIO_get_retry_reason(BIO *bio); 634 BIO * BIO_dup_chain(BIO *in); 635 636 int BIO_nread0(BIO *bio, char **buf); 637 int BIO_nread(BIO *bio, char **buf, int num); 638 int BIO_nwrite0(BIO *bio, char **buf); 639 int BIO_nwrite(BIO *bio, char **buf, int num); 640 641 long BIO_debug_callback(BIO *bio, int cmd, const char *argp, int argi, 642 long argl, long ret); 643 644 const BIO_METHOD *BIO_s_mem(void); 645 BIO *BIO_new_mem_buf(const void *buf, int len); 646 const BIO_METHOD *BIO_s_socket(void); 647 const BIO_METHOD *BIO_s_connect(void); 648 const BIO_METHOD *BIO_s_accept(void); 649 const BIO_METHOD *BIO_s_fd(void); 650 const BIO_METHOD *BIO_s_log(void); 651 const BIO_METHOD *BIO_s_bio(void); 652 const BIO_METHOD *BIO_s_null(void); 653 const BIO_METHOD *BIO_f_null(void); 654 const BIO_METHOD *BIO_f_buffer(void); 655 const BIO_METHOD *BIO_f_nbio_test(void); 656 #ifndef OPENSSL_NO_DGRAM 657 const BIO_METHOD *BIO_s_datagram(void); 658 #endif 659 660 /* BIO_METHOD *BIO_f_ber(void); */ 661 662 int BIO_sock_should_retry(int i); 663 int BIO_sock_non_fatal_error(int _error); 664 int BIO_dgram_non_fatal_error(int _error); 665 666 int BIO_fd_should_retry(int i); 667 int BIO_fd_non_fatal_error(int _error); 668 int 669 BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u), 670 void *u, const char *s, int len); 671 int 672 BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u), 673 void *u, const char *s, int len, int indent); 674 int BIO_dump(BIO *b, const char *bytes, int len); 675 int BIO_dump_indent(BIO *b, const char *bytes, int len, int indent); 676 int BIO_dump_fp(FILE *fp, const char *s, int len); 677 int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent); 678 struct hostent *BIO_gethostbyname(const char *name); 679 /* We might want a thread-safe interface too: 680 * struct hostent *BIO_gethostbyname_r(const char *name, 681 * struct hostent *result, void *buffer, size_t buflen); 682 * or something similar (caller allocates a struct hostent, 683 * pointed to by "result", and additional buffer space for the various 684 * substructures; if the buffer does not suffice, NULL is returned 685 * and an appropriate error code is set). 686 */ 687 int BIO_sock_error(int sock); 688 int BIO_socket_ioctl(int fd, long type, void *arg); 689 int BIO_socket_nbio(int fd, int mode); 690 int BIO_get_port(const char *str, unsigned short *port_ptr); 691 int BIO_get_host_ip(const char *str, unsigned char *ip); 692 int BIO_get_accept_socket(char *host_port, int mode); 693 int BIO_accept(int sock, char **ip_port); 694 int BIO_sock_init(void ); 695 void BIO_sock_cleanup(void); 696 int BIO_set_tcp_ndelay(int sock, int turn_on); 697 698 BIO *BIO_new_socket(int sock, int close_flag); 699 BIO *BIO_new_dgram(int fd, int close_flag); 700 BIO *BIO_new_fd(int fd, int close_flag); 701 BIO *BIO_new_connect(const char *host_port); 702 BIO *BIO_new_accept(const char *host_port); 703 704 int 705 BIO_new_bio_pair(BIO **bio1, size_t writebuf1, 706 BIO **bio2, size_t writebuf2); 707 /* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints. 708 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. 709 * Size 0 uses default value. 710 */ 711 712 void BIO_copy_next_retry(BIO *b); 713 714 /*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/ 715 716 #ifdef __MINGW_PRINTF_FORMAT 717 int 718 BIO_printf(BIO *bio, const char *format, ...) 719 __attribute__((__format__(__MINGW_PRINTF_FORMAT, 2, 3), __nonnull__(2))); 720 int 721 BIO_vprintf(BIO *bio, const char *format, va_list args) 722 __attribute__((__format__(__MINGW_PRINTF_FORMAT, 2, 0), __nonnull__(2))); 723 int 724 BIO_snprintf(char *buf, size_t n, const char *format, ...) 725 __attribute__((__deprecated__, __format__(__MINGW_PRINTF_FORMAT, 3, 4), 726 __nonnull__(3))); 727 int 728 BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) 729 __attribute__((__deprecated__, __format__(__MINGW_PRINTF_FORMAT, 3, 0), 730 __nonnull__(3))); 731 #else 732 int 733 BIO_printf(BIO *bio, const char *format, ...) 734 __attribute__((__format__(__printf__, 2, 3), __nonnull__(2))); 735 int 736 BIO_vprintf(BIO *bio, const char *format, va_list args) 737 __attribute__((__format__(__printf__, 2, 0), __nonnull__(2))); 738 int 739 BIO_snprintf(char *buf, size_t n, const char *format, ...) 740 __attribute__((__deprecated__, __format__(__printf__, 3, 4), 741 __nonnull__(3))); 742 int 743 BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) 744 __attribute__((__deprecated__, __format__(__printf__, 3, 0), 745 __nonnull__(3))); 746 #endif 747 748 749 /* BEGIN ERROR CODES */ 750 /* The following lines are auto generated by the script mkerr.pl. Any changes 751 * made after this point may be overwritten when the script is next run. 752 */ 753 void ERR_load_BIO_strings(void); 754 755 /* Error codes for the BIO functions. */ 756 757 /* Function codes. */ 758 #define BIO_F_ACPT_STATE 100 759 #define BIO_F_BIO_ACCEPT 101 760 #define BIO_F_BIO_BER_GET_HEADER 102 761 #define BIO_F_BIO_CALLBACK_CTRL 131 762 #define BIO_F_BIO_CTRL 103 763 #define BIO_F_BIO_GETHOSTBYNAME 120 764 #define BIO_F_BIO_GETS 104 765 #define BIO_F_BIO_GET_ACCEPT_SOCKET 105 766 #define BIO_F_BIO_GET_HOST_IP 106 767 #define BIO_F_BIO_GET_PORT 107 768 #define BIO_F_BIO_MAKE_PAIR 121 769 #define BIO_F_BIO_NEW 108 770 #define BIO_F_BIO_NEW_FILE 109 771 #define BIO_F_BIO_NEW_MEM_BUF 126 772 #define BIO_F_BIO_NREAD 123 773 #define BIO_F_BIO_NREAD0 124 774 #define BIO_F_BIO_NWRITE 125 775 #define BIO_F_BIO_NWRITE0 122 776 #define BIO_F_BIO_PUTS 110 777 #define BIO_F_BIO_READ 111 778 #define BIO_F_BIO_SOCK_INIT 112 779 #define BIO_F_BIO_WRITE 113 780 #define BIO_F_BUFFER_CTRL 114 781 #define BIO_F_CONN_CTRL 127 782 #define BIO_F_CONN_STATE 115 783 #define BIO_F_DGRAM_SCTP_READ 132 784 #define BIO_F_FILE_CTRL 116 785 #define BIO_F_FILE_READ 130 786 #define BIO_F_LINEBUFFER_CTRL 129 787 #define BIO_F_MEM_READ 128 788 #define BIO_F_MEM_WRITE 117 789 #define BIO_F_SSL_NEW 118 790 #define BIO_F_WSASTARTUP 119 791 792 /* Reason codes. */ 793 #define BIO_R_ACCEPT_ERROR 100 794 #define BIO_R_BAD_FOPEN_MODE 101 795 #define BIO_R_BAD_HOSTNAME_LOOKUP 102 796 #define BIO_R_BROKEN_PIPE 124 797 #define BIO_R_CONNECT_ERROR 103 798 #define BIO_R_EOF_ON_MEMORY_BIO 127 799 #define BIO_R_ERROR_SETTING_NBIO 104 800 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105 801 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106 802 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107 803 #define BIO_R_INVALID_ARGUMENT 125 804 #define BIO_R_INVALID_IP_ADDRESS 108 805 #define BIO_R_INVALID_PORT_NUMBER 129 806 #define BIO_R_IN_USE 123 807 #define BIO_R_KEEPALIVE 109 808 #define BIO_R_NBIO_CONNECT_ERROR 110 809 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111 810 #define BIO_R_NO_HOSTNAME_SPECIFIED 112 811 #define BIO_R_NO_PORT_DEFINED 113 812 #define BIO_R_NO_PORT_SPECIFIED 114 813 #define BIO_R_NO_SUCH_FILE 128 814 #define BIO_R_NULL_PARAMETER 115 815 #define BIO_R_TAG_MISMATCH 116 816 #define BIO_R_UNABLE_TO_BIND_SOCKET 117 817 #define BIO_R_UNABLE_TO_CREATE_SOCKET 118 818 #define BIO_R_UNABLE_TO_LISTEN_SOCKET 119 819 #define BIO_R_UNINITIALIZED 120 820 #define BIO_R_UNSUPPORTED_METHOD 121 821 #define BIO_R_WRITE_TO_READ_ONLY_BIO 126 822 #define BIO_R_WSASTARTUP 122 823 824 #ifdef __cplusplus 825 } 826 #endif 827 #endif 828