1 /* $MirOS: src/lib/libssl/src/crypto/bio/bio.h,v 1.4 2013/10/31 20:06:39 tg Exp $ */ 2 3 /* crypto/bio/bio.h */ 4 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 5 * Copyright © 2013 6 * Thorsten “mirabilos” Glaser <tg@mirbsd.org> 7 * All rights reserved. 8 * 9 * This package is an SSL implementation written 10 * by Eric Young (eay@cryptsoft.com). 11 * The implementation was written so as to conform with Netscapes SSL. 12 * 13 * This library is free for commercial and non-commercial use as long as 14 * the following conditions are aheared to. The following conditions 15 * apply to all code found in this distribution, be it the RC4, RSA, 16 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 17 * included with this distribution is covered by the same copyright terms 18 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 19 * 20 * Copyright remains Eric Young's, and as such any Copyright notices in 21 * the code are not to be removed. 22 * If this package is used in a product, Eric Young should be given attribution 23 * as the author of the parts of the library used. 24 * This can be in the form of a textual message at program startup or 25 * in documentation (online or textual) provided with the package. 26 * 27 * Redistribution and use in source and binary forms, with or without 28 * modification, are permitted provided that the following conditions 29 * are met: 30 * 1. Redistributions of source code must retain the copyright 31 * notice, this list of conditions and the following disclaimer. 32 * 2. Redistributions in binary form must reproduce the above copyright 33 * notice, this list of conditions and the following disclaimer in the 34 * documentation and/or other materials provided with the distribution. 35 * 3. All advertising materials mentioning features or use of this software 36 * must display the following acknowledgement: 37 * "This product includes cryptographic software written by 38 * Eric Young (eay@cryptsoft.com)" 39 * The word 'cryptographic' can be left out if the rouines from the library 40 * being used are not cryptographic related :-). 41 * 4. If you include any Windows specific code (or a derivative thereof) from 42 * the apps directory (application code) you must include an acknowledgement: 43 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 44 * 45 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 46 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 47 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 48 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 49 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 50 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 51 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 52 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 53 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 54 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 55 * SUCH DAMAGE. 56 * 57 * The licence and distribution terms for any publically available version or 58 * derivative of this code cannot be changed. i.e. this code cannot simply be 59 * copied and put under another distribution licence 60 * [including the GNU Public Licence.] 61 */ 62 63 #ifndef HEADER_BIO_H 64 #define HEADER_BIO_H 65 66 #ifndef OPENSSL_NO_FP_API 67 # include <stdio.h> 68 #endif 69 #include <stdarg.h> 70 71 #include <openssl/crypto.h> 72 #include <openssl/e_os2.h> 73 74 #ifdef __cplusplus 75 extern "C" { 76 #endif 77 78 /* These are the 'types' of BIOs */ 79 #define BIO_TYPE_NONE 0 80 #define BIO_TYPE_MEM (1|0x0400) 81 #define BIO_TYPE_FILE (2|0x0400) 82 83 #define BIO_TYPE_FD (4|0x0400|0x0100) 84 #define BIO_TYPE_SOCKET (5|0x0400|0x0100) 85 #define BIO_TYPE_NULL (6|0x0400) 86 #define BIO_TYPE_SSL (7|0x0200) 87 #define BIO_TYPE_MD (8|0x0200) /* passive filter */ 88 #define BIO_TYPE_BUFFER (9|0x0200) /* filter */ 89 #define BIO_TYPE_CIPHER (10|0x0200) /* filter */ 90 #define BIO_TYPE_BASE64 (11|0x0200) /* filter */ 91 #define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */ 92 #define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */ 93 #define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */ 94 #define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */ 95 #define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */ 96 #define BIO_TYPE_NULL_FILTER (17|0x0200) 97 #define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */ 98 #define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */ 99 #define BIO_TYPE_LINEBUFFER (20|0x0200) /* filter */ 100 101 #define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */ 102 #define BIO_TYPE_FILTER 0x0200 103 #define BIO_TYPE_SOURCE_SINK 0x0400 104 105 /* BIO_FILENAME_READ|BIO_CLOSE to open or close on free. 106 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */ 107 #define BIO_NOCLOSE 0x00 108 #define BIO_CLOSE 0x01 109 110 /* These are used in the following macros and are passed to 111 * BIO_ctrl() */ 112 #define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */ 113 #define BIO_CTRL_EOF 2 /* opt - are we at the eof */ 114 #define BIO_CTRL_INFO 3 /* opt - extra tit-bits */ 115 #define BIO_CTRL_SET 4 /* man - set the 'IO' type */ 116 #define BIO_CTRL_GET 5 /* man - get the 'IO' type */ 117 #define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */ 118 #define BIO_CTRL_POP 7 /* opt - internal, used to signify change */ 119 #define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */ 120 #define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */ 121 #define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */ 122 #define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */ 123 #define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */ 124 #define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */ 125 /* callback is int cb(BIO *bio,state,ret); */ 126 #define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */ 127 #define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */ 128 129 #define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */ 130 131 /* modifiers */ 132 #define BIO_FP_READ 0x02 133 #define BIO_FP_WRITE 0x04 134 #define BIO_FP_APPEND 0x08 135 #define BIO_FP_TEXT 0x10 136 137 #define BIO_FLAGS_READ 0x01 138 #define BIO_FLAGS_WRITE 0x02 139 #define BIO_FLAGS_IO_SPECIAL 0x04 140 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL) 141 #define BIO_FLAGS_SHOULD_RETRY 0x08 142 143 /* Used in BIO_gethostbyname() */ 144 #define BIO_GHBN_CTRL_HITS 1 145 #define BIO_GHBN_CTRL_MISSES 2 146 #define BIO_GHBN_CTRL_CACHE_SIZE 3 147 #define BIO_GHBN_CTRL_GET_ENTRY 4 148 #define BIO_GHBN_CTRL_FLUSH 5 149 150 /* Mostly used in the SSL BIO */ 151 /* Not used anymore 152 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10 153 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20 154 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40 155 */ 156 157 #define BIO_FLAGS_BASE64_NO_NL 0x100 158 159 /* This is used with memory BIOs: it means we shouldn't free up or change the 160 * data in any way. 161 */ 162 #define BIO_FLAGS_MEM_RDONLY 0x200 163 164 #define BIO_set_flags(b,f) ((b)->flags|=(f)) 165 #define BIO_get_flags(b) ((b)->flags) 166 #define BIO_set_retry_special(b) \ 167 ((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY)) 168 #define BIO_set_retry_read(b) \ 169 ((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY)) 170 #define BIO_set_retry_write(b) \ 171 ((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY)) 172 173 /* These are normally used internally in BIOs */ 174 #define BIO_clear_flags(b,f) ((b)->flags&= ~(f)) 175 #define BIO_clear_retry_flags(b) \ 176 ((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) 177 #define BIO_get_retry_flags(b) \ 178 ((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY)) 179 180 /* These should be used by the application to tell why we should retry */ 181 #define BIO_should_read(a) ((a)->flags & BIO_FLAGS_READ) 182 #define BIO_should_write(a) ((a)->flags & BIO_FLAGS_WRITE) 183 #define BIO_should_io_special(a) ((a)->flags & BIO_FLAGS_IO_SPECIAL) 184 #define BIO_retry_type(a) ((a)->flags & BIO_FLAGS_RWS) 185 #define BIO_should_retry(a) ((a)->flags & BIO_FLAGS_SHOULD_RETRY) 186 187 /* The next three are used in conjunction with the 188 * BIO_should_io_special() condition. After this returns true, 189 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO 190 * stack and return the 'reason' for the special and the offending BIO. 191 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */ 192 /* Returned from the SSL bio when the certificate retrieval code had an error */ 193 #define BIO_RR_SSL_X509_LOOKUP 0x01 194 /* Returned from the connect BIO when a connect would have blocked */ 195 #define BIO_RR_CONNECT 0x02 196 /* Returned from the accept BIO when an accept would have blocked */ 197 #define BIO_RR_ACCEPT 0x03 198 199 /* These are passed by the BIO callback */ 200 #define BIO_CB_FREE 0x01 201 #define BIO_CB_READ 0x02 202 #define BIO_CB_WRITE 0x03 203 #define BIO_CB_PUTS 0x04 204 #define BIO_CB_GETS 0x05 205 #define BIO_CB_CTRL 0x06 206 207 /* The callback is called before and after the underling operation, 208 * The BIO_CB_RETURN flag indicates if it is after the call */ 209 #define BIO_CB_RETURN 0x80 210 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN)) 211 #define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN)) 212 #define BIO_cb_post(a) ((a)&BIO_CB_RETURN) 213 214 #define BIO_set_callback(b,cb) ((b)->callback=(cb)) 215 #define BIO_set_callback_arg(b,arg) ((b)->cb_arg=(char *)(arg)) 216 #define BIO_get_callback_arg(b) ((b)->cb_arg) 217 #define BIO_get_callback(b) ((b)->callback) 218 #define BIO_method_name(b) ((b)->method->name) 219 #define BIO_method_type(b) ((b)->method->type) 220 221 typedef struct bio_st BIO; 222 223 typedef void bio_info_cb(struct bio_st *, int, const char *, int, long, long); 224 225 #ifndef OPENSSL_SYS_WIN16 226 typedef struct bio_method_st 227 { 228 int type; 229 const char *name; 230 int (*bwrite)(BIO *, const char *, int); 231 int (*bread)(BIO *, char *, int); 232 int (*bputs)(BIO *, const char *); 233 int (*bgets)(BIO *, char *, int); 234 long (*ctrl)(BIO *, int, long, void *); 235 int (*create)(BIO *); 236 int (*destroy)(BIO *); 237 long (*callback_ctrl)(BIO *, int, bio_info_cb *); 238 } BIO_METHOD; 239 #else 240 typedef struct bio_method_st 241 { 242 int type; 243 const char *name; 244 int (_far *bwrite)(); 245 int (_far *bread)(); 246 int (_far *bputs)(); 247 int (_far *bgets)(); 248 long (_far *ctrl)(); 249 int (_far *create)(); 250 int (_far *destroy)(); 251 long (_far *callback_ctrl)(); 252 } BIO_METHOD; 253 #endif 254 255 struct bio_st 256 { 257 BIO_METHOD *method; 258 /* bio, mode, argp, argi, argl, ret */ 259 long (*callback)(struct bio_st *,int,const char *,int, long,long); 260 char *cb_arg; /* first argument for the callback */ 261 262 int init; 263 int shutdown; 264 int flags; /* extra storage */ 265 int retry_reason; 266 int num; 267 void *ptr; 268 struct bio_st *next_bio; /* used by filter BIOs */ 269 struct bio_st *prev_bio; /* used by filter BIOs */ 270 int references; 271 unsigned long num_read; 272 unsigned long num_write; 273 274 CRYPTO_EX_DATA ex_data; 275 }; 276 277 DECLARE_STACK_OF(BIO) 278 279 typedef struct bio_f_buffer_ctx_struct 280 { 281 /* BIO *bio; */ /* this is now in the BIO struct */ 282 int ibuf_size; /* how big is the input buffer */ 283 int obuf_size; /* how big is the output buffer */ 284 285 char *ibuf; /* the char array */ 286 int ibuf_len; /* how many bytes are in it */ 287 int ibuf_off; /* write/read offset */ 288 289 char *obuf; /* the char array */ 290 int obuf_len; /* how many bytes are in it */ 291 int obuf_off; /* write/read offset */ 292 } BIO_F_BUFFER_CTX; 293 294 /* connect BIO stuff */ 295 #define BIO_CONN_S_BEFORE 1 296 #define BIO_CONN_S_GET_IP 2 297 #define BIO_CONN_S_GET_PORT 3 298 #define BIO_CONN_S_CREATE_SOCKET 4 299 #define BIO_CONN_S_CONNECT 5 300 #define BIO_CONN_S_OK 6 301 #define BIO_CONN_S_BLOCKED_CONNECT 7 302 #define BIO_CONN_S_NBIO 8 303 /*#define BIO_CONN_get_param_hostname BIO_ctrl */ 304 305 #define BIO_C_SET_CONNECT 100 306 #define BIO_C_DO_STATE_MACHINE 101 307 #define BIO_C_SET_NBIO 102 308 #define BIO_C_SET_PROXY_PARAM 103 309 #define BIO_C_SET_FD 104 310 #define BIO_C_GET_FD 105 311 #define BIO_C_SET_FILE_PTR 106 312 #define BIO_C_GET_FILE_PTR 107 313 #define BIO_C_SET_FILENAME 108 314 #define BIO_C_SET_SSL 109 315 #define BIO_C_GET_SSL 110 316 #define BIO_C_SET_MD 111 317 #define BIO_C_GET_MD 112 318 #define BIO_C_GET_CIPHER_STATUS 113 319 #define BIO_C_SET_BUF_MEM 114 320 #define BIO_C_GET_BUF_MEM_PTR 115 321 #define BIO_C_GET_BUFF_NUM_LINES 116 322 #define BIO_C_SET_BUFF_SIZE 117 323 #define BIO_C_SET_ACCEPT 118 324 #define BIO_C_SSL_MODE 119 325 #define BIO_C_GET_MD_CTX 120 326 #define BIO_C_GET_PROXY_PARAM 121 327 #define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */ 328 #define BIO_C_GET_CONNECT 123 329 #define BIO_C_GET_ACCEPT 124 330 #define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125 331 #define BIO_C_GET_SSL_NUM_RENEGOTIATES 126 332 #define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127 333 #define BIO_C_FILE_SEEK 128 334 #define BIO_C_GET_CIPHER_CTX 129 335 #define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/ 336 #define BIO_C_SET_BIND_MODE 131 337 #define BIO_C_GET_BIND_MODE 132 338 #define BIO_C_FILE_TELL 133 339 #define BIO_C_GET_SOCKS 134 340 #define BIO_C_SET_SOCKS 135 341 342 #define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */ 343 #define BIO_C_GET_WRITE_BUF_SIZE 137 344 #define BIO_C_MAKE_BIO_PAIR 138 345 #define BIO_C_DESTROY_BIO_PAIR 139 346 #define BIO_C_GET_WRITE_GUARANTEE 140 347 #define BIO_C_GET_READ_REQUEST 141 348 #define BIO_C_SHUTDOWN_WR 142 349 #define BIO_C_NREAD0 143 350 #define BIO_C_NREAD 144 351 #define BIO_C_NWRITE0 145 352 #define BIO_C_NWRITE 146 353 #define BIO_C_RESET_READ_REQUEST 147 354 #define BIO_C_SET_MD_CTX 148 355 356 357 #define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg) 358 #define BIO_get_app_data(s) BIO_get_ex_data(s,0) 359 360 /* BIO_s_connect() and BIO_s_socks4a_connect() */ 361 #define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name) 362 #define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port) 363 #define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip) 364 #define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port) 365 #define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0) 366 #define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1) 367 #define BIO_get_conn_ip(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2) 368 #define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3) 369 370 371 #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) 372 373 /* BIO_s_accept_socket() */ 374 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name) 375 #define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0) 376 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */ 377 #define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL) 378 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio) 379 380 #define BIO_BIND_NORMAL 0 381 #define BIO_BIND_REUSEADDR_IF_UNUSED 1 382 #define BIO_BIND_REUSEADDR 2 383 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL) 384 #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL) 385 386 #define BIO_do_connect(b) BIO_do_handshake(b) 387 #define BIO_do_accept(b) BIO_do_handshake(b) 388 #define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL) 389 390 /* BIO_s_proxy_client() */ 391 #define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url)) 392 #define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p)) 393 /* BIO_set_nbio(b,n) */ 394 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s)) 395 /* BIO *BIO_get_filter_bio(BIO *bio); */ 396 #define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)())) 397 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk) 398 #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool) 399 400 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp) 401 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p)) 402 #define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url)) 403 #define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL) 404 405 #define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd) 406 #define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c) 407 408 #define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp) 409 #define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp) 410 411 #define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL) 412 #define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL) 413 414 /* name is cast to lose const, but might be better to route through a function 415 so we can do it safely */ 416 #ifdef CONST_STRICT 417 /* If you are wondering why this isn't defined, its because CONST_STRICT is 418 * purely a compile-time kludge to allow const to be checked. 419 */ 420 int BIO_read_filename(BIO *b,const char *name); 421 #else 422 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 423 BIO_CLOSE|BIO_FP_READ,(char *)name) 424 #endif 425 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 426 BIO_CLOSE|BIO_FP_WRITE,name) 427 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 428 BIO_CLOSE|BIO_FP_APPEND,name) 429 #define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \ 430 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name) 431 432 /* WARNING WARNING, this ups the reference count on the read bio of the 433 * SSL structure. This is because the ssl read BIO is now pointed to by 434 * the next_bio field in the bio. So when you free the BIO, make sure 435 * you are doing a BIO_free_all() to catch the underlying BIO. */ 436 #define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl) 437 #define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp) 438 #define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL) 439 #define BIO_set_ssl_renegotiate_bytes(b,num) \ 440 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL); 441 #define BIO_get_num_renegotiates(b) \ 442 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL); 443 #define BIO_set_ssl_renegotiate_timeout(b,seconds) \ 444 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL); 445 446 /* defined in evp.h */ 447 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */ 448 449 #define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp) 450 #define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm) 451 #define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp) 452 #define BIO_set_mem_eof_return(b,v) \ 453 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL) 454 455 /* For the BIO_f_buffer() type */ 456 #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL) 457 #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL) 458 #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0) 459 #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1) 460 #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf) 461 462 /* Don't use the next one unless you know what you are doing :-) */ 463 #define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret)) 464 465 #define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL) 466 #define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL) 467 #define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL) 468 #define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL) 469 #define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL) 470 #define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL) 471 /* ...pending macros have inappropriate return type */ 472 size_t BIO_ctrl_pending(BIO *b); 473 size_t BIO_ctrl_wpending(BIO *b); 474 #define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL) 475 #define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \ 476 cbp) 477 #define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb) 478 479 /* For the BIO_f_buffer() type */ 480 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL) 481 482 /* For BIO_s_bio() */ 483 #define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL) 484 #define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL) 485 #define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2) 486 #define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL) 487 #define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL) 488 /* macros with inappropriate type -- but ...pending macros use int too: */ 489 #define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL) 490 #define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL) 491 size_t BIO_ctrl_get_write_guarantee(BIO *b); 492 size_t BIO_ctrl_get_read_request(BIO *b); 493 int BIO_ctrl_reset_read_request(BIO *b); 494 495 /* These two aren't currently implemented */ 496 /* int BIO_get_ex_num(BIO *bio); */ 497 /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */ 498 int BIO_set_ex_data(BIO *bio,int idx,void *data); 499 void *BIO_get_ex_data(BIO *bio,int idx); 500 int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, 501 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); 502 unsigned long BIO_number_read(BIO *bio); 503 unsigned long BIO_number_written(BIO *bio); 504 505 # ifndef OPENSSL_NO_FP_API 506 # if defined(OPENSSL_SYS_WIN16) && defined(_WINDLL) 507 BIO_METHOD *BIO_s_file_internal(void); 508 BIO *BIO_new_file_internal(char *filename, char *mode); 509 BIO *BIO_new_fp_internal(FILE *stream, int close_flag); 510 # define BIO_s_file BIO_s_file_internal 511 # define BIO_new_file BIO_new_file_internal 512 # define BIO_new_fp BIO_new_fp_internal 513 # else /* FP_API */ 514 BIO_METHOD *BIO_s_file(void ); 515 BIO *BIO_new_file(const char *filename, const char *mode); 516 BIO *BIO_new_fp(FILE *stream, int close_flag); 517 # define BIO_s_file_internal BIO_s_file 518 # define BIO_new_file_internal BIO_new_file 519 # define BIO_new_fp_internal BIO_s_file 520 # endif /* FP_API */ 521 # endif 522 BIO * BIO_new(BIO_METHOD *type); 523 int BIO_set(BIO *a,BIO_METHOD *type); 524 int BIO_free(BIO *a); 525 void BIO_vfree(BIO *a); 526 int BIO_read(BIO *b, void *data, int len); 527 int BIO_gets(BIO *bp,char *buf, int size); 528 int BIO_write(BIO *b, const void *data, int len); 529 int BIO_puts(BIO *bp,const char *buf); 530 int BIO_indent(BIO *b,int indent,int max); 531 long BIO_ctrl(BIO *bp,int cmd,long larg,void *parg); 532 long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long)); 533 char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg); 534 long BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg); 535 BIO * BIO_push(BIO *b,BIO *append); 536 BIO * BIO_pop(BIO *b); 537 void BIO_free_all(BIO *a); 538 BIO * BIO_find_type(BIO *b,int bio_type); 539 BIO * BIO_next(BIO *b); 540 BIO * BIO_get_retry_BIO(BIO *bio, int *reason); 541 int BIO_get_retry_reason(BIO *bio); 542 BIO * BIO_dup_chain(BIO *in); 543 544 int BIO_nread0(BIO *bio, char **buf); 545 int BIO_nread(BIO *bio, char **buf, int num); 546 int BIO_nwrite0(BIO *bio, char **buf); 547 int BIO_nwrite(BIO *bio, char **buf, int num); 548 549 #ifndef OPENSSL_SYS_WIN16 550 long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi, 551 long argl,long ret); 552 #else 553 long _far _loadds BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi, 554 long argl,long ret); 555 #endif 556 557 BIO_METHOD *BIO_s_mem(void); 558 BIO *BIO_new_mem_buf(void *buf, int len); 559 BIO_METHOD *BIO_s_socket(void); 560 BIO_METHOD *BIO_s_connect(void); 561 BIO_METHOD *BIO_s_accept(void); 562 BIO_METHOD *BIO_s_fd(void); 563 #ifndef OPENSSL_SYS_OS2 564 BIO_METHOD *BIO_s_log(void); 565 #endif 566 BIO_METHOD *BIO_s_bio(void); 567 BIO_METHOD *BIO_s_null(void); 568 BIO_METHOD *BIO_f_null(void); 569 BIO_METHOD *BIO_f_buffer(void); 570 #ifdef OPENSSL_SYS_VMS 571 BIO_METHOD *BIO_f_linebuffer(void); 572 #endif 573 BIO_METHOD *BIO_f_nbio_test(void); 574 /* BIO_METHOD *BIO_f_ber(void); */ 575 576 int BIO_sock_should_retry(int i); 577 int BIO_sock_non_fatal_error(int error); 578 int BIO_fd_should_retry(int i); 579 int BIO_fd_non_fatal_error(int error); 580 int BIO_dump(BIO *b,const char *bytes,int len); 581 int BIO_dump_indent(BIO *b,const char *bytes,int len,int indent); 582 583 struct hostent *BIO_gethostbyname(const char *name); 584 /* We might want a thread-safe interface too: 585 * struct hostent *BIO_gethostbyname_r(const char *name, 586 * struct hostent *result, void *buffer, size_t buflen); 587 * or something similar (caller allocates a struct hostent, 588 * pointed to by "result", and additional buffer space for the various 589 * substructures; if the buffer does not suffice, NULL is returned 590 * and an appropriate error code is set). 591 */ 592 int BIO_sock_error(int sock); 593 int BIO_socket_ioctl(int fd, long type, void *arg); 594 int BIO_socket_nbio(int fd,int mode); 595 int BIO_get_port(const char *str, unsigned short *port_ptr); 596 int BIO_get_host_ip(const char *str, unsigned char *ip); 597 int BIO_get_accept_socket(char *host_port,int mode); 598 int BIO_accept(int sock,char **ip_port); 599 int BIO_sock_init(void ); 600 void BIO_sock_cleanup(void); 601 int BIO_set_tcp_ndelay(int sock,int turn_on); 602 603 BIO *BIO_new_socket(int sock, int close_flag); 604 BIO *BIO_new_fd(int fd, int close_flag); 605 BIO *BIO_new_connect(char *host_port); 606 BIO *BIO_new_accept(char *host_port); 607 608 int BIO_new_bio_pair(BIO **bio1, size_t writebuf1, 609 BIO **bio2, size_t writebuf2); 610 /* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints. 611 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. 612 * Size 0 uses default value. 613 */ 614 615 void BIO_copy_next_retry(BIO *b); 616 617 /*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/ 618 619 int BIO_printf(BIO *bio, const char *format, ...) 620 __attribute__((__nonnull__(2))) 621 __attribute__((__format__(__printf__, 2, 3))); 622 int BIO_vprintf(BIO *bio, const char *format, va_list args) 623 __attribute__((__format__(__printf__, 2, 0))) 624 __attribute__((__nonnull__(2))); 625 int BIO_snprintf(char *buf, size_t n, const char *format, ...) 626 __attribute__((__format__(__printf__, 3, 4))) 627 __attribute__((__nonnull__(3))) 628 __attribute__((__bounded__(__string__, 1, 2))); 629 int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args) 630 __attribute__((__format__(__printf__, 3, 0))) 631 __attribute__((__nonnull__(3))) 632 __attribute__((__bounded__(__string__, 1, 2))); 633 634 /* BEGIN ERROR CODES */ 635 /* The following lines are auto generated by the script mkerr.pl. Any changes 636 * made after this point may be overwritten when the script is next run. 637 */ 638 void ERR_load_BIO_strings(void); 639 640 /* Error codes for the BIO functions. */ 641 642 /* Function codes. */ 643 #define BIO_F_ACPT_STATE 100 644 #define BIO_F_BIO_ACCEPT 101 645 #define BIO_F_BIO_BER_GET_HEADER 102 646 #define BIO_F_BIO_CTRL 103 647 #define BIO_F_BIO_GETHOSTBYNAME 120 648 #define BIO_F_BIO_GETS 104 649 #define BIO_F_BIO_GET_ACCEPT_SOCKET 105 650 #define BIO_F_BIO_GET_HOST_IP 106 651 #define BIO_F_BIO_GET_PORT 107 652 #define BIO_F_BIO_MAKE_PAIR 121 653 #define BIO_F_BIO_NEW 108 654 #define BIO_F_BIO_NEW_FILE 109 655 #define BIO_F_BIO_NEW_MEM_BUF 126 656 #define BIO_F_BIO_NREAD 123 657 #define BIO_F_BIO_NREAD0 124 658 #define BIO_F_BIO_NWRITE 125 659 #define BIO_F_BIO_NWRITE0 122 660 #define BIO_F_BIO_PUTS 110 661 #define BIO_F_BIO_READ 111 662 #define BIO_F_BIO_SOCK_INIT 112 663 #define BIO_F_BIO_WRITE 113 664 #define BIO_F_BUFFER_CTRL 114 665 #define BIO_F_CONN_CTRL 127 666 #define BIO_F_CONN_STATE 115 667 #define BIO_F_FILE_CTRL 116 668 #define BIO_F_FILE_READ 130 669 #define BIO_F_LINEBUFFER_CTRL 129 670 #define BIO_F_MEM_READ 128 671 #define BIO_F_MEM_WRITE 117 672 #define BIO_F_SSL_NEW 118 673 #define BIO_F_WSASTARTUP 119 674 675 /* Reason codes. */ 676 #define BIO_R_ACCEPT_ERROR 100 677 #define BIO_R_BAD_FOPEN_MODE 101 678 #define BIO_R_BAD_HOSTNAME_LOOKUP 102 679 #define BIO_R_BROKEN_PIPE 124 680 #define BIO_R_CONNECT_ERROR 103 681 #define BIO_R_EOF_ON_MEMORY_BIO 127 682 #define BIO_R_ERROR_SETTING_NBIO 104 683 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105 684 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106 685 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107 686 #define BIO_R_INVALID_ARGUMENT 125 687 #define BIO_R_INVALID_IP_ADDRESS 108 688 #define BIO_R_IN_USE 123 689 #define BIO_R_KEEPALIVE 109 690 #define BIO_R_NBIO_CONNECT_ERROR 110 691 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111 692 #define BIO_R_NO_HOSTNAME_SPECIFIED 112 693 #define BIO_R_NO_PORT_DEFINED 113 694 #define BIO_R_NO_PORT_SPECIFIED 114 695 #define BIO_R_NO_SUCH_FILE 128 696 #define BIO_R_NULL_PARAMETER 115 697 #define BIO_R_TAG_MISMATCH 116 698 #define BIO_R_UNABLE_TO_BIND_SOCKET 117 699 #define BIO_R_UNABLE_TO_CREATE_SOCKET 118 700 #define BIO_R_UNABLE_TO_LISTEN_SOCKET 119 701 #define BIO_R_UNINITIALIZED 120 702 #define BIO_R_UNSUPPORTED_METHOD 121 703 #define BIO_R_WRITE_TO_READ_ONLY_BIO 126 704 #define BIO_R_WSASTARTUP 122 705 706 #ifdef __cplusplus 707 } 708 #endif 709 #endif 710