crypto/bio/bio.h

   1 /* crypto/bio/bio.h */
   2 /* Copyright (C) 1995-1997 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58
  59 #ifndef HEADER_BIO_H
  60 #define HEADER_BIO_H
  61
  62 #ifdef  __cplusplus
  63 extern "C" {
  64 #endif
  65
  66 /* These are the 'types' of BIOs */
  67 #define BIO_TYPE_NONE           0
  68 #define BIO_TYPE_MEM            (1|0x0400)
  69 #define BIO_TYPE_FILE           (2|0x0400)
  70
  71 #define BIO_TYPE_FD             (4|0x0400|0x0100)
  72 #define BIO_TYPE_SOCKET         (5|0x0400|0x0100)
  73 #define BIO_TYPE_NULL           (6|0x0400)
  74 #define BIO_TYPE_SSL            (7|0x0200)
  75 #define BIO_TYPE_MD             (8|0x0200)              /* pasive filter */
  76 #define BIO_TYPE_BUFFER         (9|0x0200)              /* filter */
  77 #define BIO_TYPE_CIPHER         (10|0x0200)             /* filter */
  78 #define BIO_TYPE_BASE64         (11|0x0200)             /* filter */
  79 #define BIO_TYPE_CONNECT        (12|0x0400|0x0100)      /* socket - connect */
  80 #define BIO_TYPE_ACCEPT         (13|0x0400|0x0100)      /* socket for accept */
  81 #define BIO_TYPE_PROXY_CLIENT   (14|0x0400)             /* client proxy BIO */
  82 #define BIO_TYPE_PROXY_SERVER   (15|0x0200)             /* server proxy BIO */
  83 #define BIO_TYPE_NBIO_TEST      (16|0x0200)             /* server proxy BIO */
  84 #define BIO_TYPE_NULL_FILTER    (17|0x0200)
  85
  86 #define BIO_TYPE_DESCRIPTOR     0x0100  /* socket, fd, connect or accept */
  87 #define BIO_TYPE_FILTER         0x0200
  88 #define BIO_TYPE_SOURCE_SINK    0x0400
  89
  90 /* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
  91  * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
  92 #define BIO_NOCLOSE             0x00
  93 #define BIO_CLOSE               0x01
  94
  95 /* These are used in the following macros and are passed to
  96  * BIO_ctrl() */
  97 #define BIO_CTRL_RESET          1  /* opt - rewind/zero etc */
  98 #define BIO_CTRL_EOF            2  /* opt - are we at the eof */
  99 #define BIO_CTRL_INFO           3  /* opt - extra tit-bits */
 100 #define BIO_CTRL_SET            4  /* man - set the 'IO' type */
 101 #define BIO_CTRL_GET            5  /* man - get the 'IO' type */
 102 #define BIO_CTRL_PUSH           6  /* opt - internal, used to signify change */
 103 #define BIO_CTRL_POP            7  /* opt - internal, used to signify change */
 104 #define BIO_CTRL_GET_CLOSE      8  /* man - set the 'close' on free */
 105 #define BIO_CTRL_SET_CLOSE      9  /* man - set the 'close' on free */
 106 #define BIO_CTRL_PENDING        10  /* opt - is their more data buffered */
 107 #define BIO_CTRL_FLUSH          11  /* opt - 'flush' buffered output */
 108 #define BIO_CTRL_DUP            12  /* man - extra stuff for 'duped' BIO */
 109 #define BIO_CTRL_WPENDING       13  /* opt - number of bytes still to write */
 110
 111 #define BIO_CTRL_SET_FILENAME   30      /* BIO_s_file special */
 112
 113 /* modifiers */
 114 #define BIO_FP_READ             0x02
 115 #define BIO_FP_WRITE            0x04
 116 #define BIO_FP_APPEND           0x08
 117 #define BIO_FP_TEXT             0x10
 118
 119 #define BIO_FLAGS_READ          0x01
 120 #define BIO_FLAGS_WRITE         0x02
 121 #define BIO_FLAGS_IO_SPECIAL    0x04
 122 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
 123 #define BIO_FLAGS_SHOULD_RETRY  0x08
 124
 125 /* Mostly used in the SSL BIO */
 126 #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
 127 #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
 128 #define BIO_FLAGS_PROTOCOL_STARTUP      0x40
 129
 130 #define BIO_set_flags(b,f) ((b)->flags|=(f))
 131 #define BIO_set_retry_special(b) \
 132                 ((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
 133 #define BIO_set_retry_read(b) \
 134                 ((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
 135 #define BIO_set_retry_write(b) \
 136                 ((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
 137
 138 /* These are normally used internally in BIOs */
 139 #define BIO_clear_flags(b,f) ((b)->flags&= ~(f))
 140 #define BIO_clear_retry_flags(b) \
 141                 ((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
 142 #define BIO_get_retry_flags(b) \
 143                 ((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
 144
 145 /* These shouldbe used by the application to tell why we should retry */
 146 #define BIO_should_read(a)              ((a)->flags & BIO_FLAGS_READ)
 147 #define BIO_should_write(a)             ((a)->flags & BIO_FLAGS_WRITE)
 148 #define BIO_should_io_special(a)        ((a)->flags & BIO_FLAGS_IO_SPECIAL)
 149 #define BIO_retry_type(a)               ((a)->flags & BIO_FLAGS_RWS)
 150 #define BIO_should_retry(a)             ((a)->flags & BIO_FLAGS_SHOULD_RETRY)
 151
 152 /* The next two are used in conjunction with the
 153  * BIO_should_io_special() condition.  After this returns true,
 154  * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
 155  * stack and return the 'reason' for the special and the offending BIO.
 156  * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
 157 /* Returned from the SSL bio when the certificate retrieval code had an error */
 158 #define BIO_RR_SSL_X509_LOOKUP          0x01
 159 /* Returned from the connect BIO when a connect would have blocked */
 160 #define BIO_RR_CONNECT                  0x02
 161
 162 /* These are passed by the BIO callback */
 163 #define BIO_CB_FREE     0x01
 164 #define BIO_CB_READ     0x02
 165 #define BIO_CB_WRITE    0x03
 166 #define BIO_CB_PUTS     0x04
 167 #define BIO_CB_GETS     0x05
 168 #define BIO_CB_CTRL     0x06
 169
 170 /* The callback is called before and after the underling operation,
 171  * The BIO_CB_RETURN flag indicates if it is after the call */
 172 #define BIO_CB_RETURN   0x80
 173 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
 174 #define BIO_cb_pre(a)   (!((a)&BIO_CB_RETURN))
 175 #define BIO_cb_post(a)  ((a)&BIO_CB_RETURN)
 176
 177 #define BIO_set_callback(b,cb)          ((b)->callback=(cb))
 178 #define BIO_set_callback_arg(b,arg)     ((b)->cb_arg=(char *)(arg))
 179 #define BIO_get_callback_arg(b)         ((b)->cb_arg)
 180 #define BIO_get_callback(b)             ((b)->callback)
 181 #define BIO_method_name(b)              ((b)->method->name)
 182 #define BIO_method_type(b)              ((b)->method->type)
 183
 184 #ifndef WIN16
 185 typedef struct bio_method_st
 186         {
 187         int type;
 188         char *name;
 189         int (*bwrite)();
 190         int (*bread)();
 191         int (*bputs)();
 192         int (*bgets)();
 193         long (*ctrl)();
 194         int (*create)();
 195         int (*destroy)();
 196         } BIO_METHOD;
 197 #else
 198 typedef struct bio_method_st
 199         {
 200         int type;
 201         char *name;
 202         int (_far *bwrite)();
 203         int (_far *bread)();
 204         int (_far *bputs)();
 205         int (_far *bgets)();
 206         long (_far *ctrl)();
 207         int (_far *create)();
 208         int (_far *destroy)();
 209         } BIO_METHOD;
 210 #endif
 211
 212 typedef struct bio_st
 213         {
 214         BIO_METHOD *method;
 215 #ifndef NOPROTO
 216         /* bio, mode, argp, argi, argl, ret */
 217         long (*callback)(struct bio_st *,int,char *,int, long,long);
 218 #else
 219         long (*callback)();
 220 #endif
 221         char *cb_arg; /* first argument for the callback */
 222
 223         int init;
 224         int shutdown;
 225         int flags;      /* extra storage */
 226         int retry_reason;
 227         int num;
 228         char *ptr;
 229         struct bio_st *next_bio;        /* used by filter BIOs */
 230         struct bio_st *prev_bio;        /* used by filter BIOs */
 231         int references;
 232         unsigned long num_read;
 233         unsigned long num_write;
 234
 235         char *app_data;
 236         } BIO;
 237
 238 typedef struct bio_f_buffer_ctx_struct
 239         {
 240         /* BIO *bio; */ /* this is now in the BIO struct */
 241         int ibuf_size;  /* how big is the input buffer */
 242         int obuf_size;  /* how big is the output buffer */
 243
 244         char *ibuf;             /* the char array */
 245         int ibuf_len;           /* how many bytes are in it */
 246         int ibuf_off;           /* write/read offset */
 247
 248         char *obuf;             /* the char array */
 249         int obuf_len;           /* how many bytes are in it */
 250         int obuf_off;           /* write/read offset */
 251         } BIO_F_BUFFER_CTX;
 252
 253 #define BIO_number_read(b)      ((b)->num_read)
 254 #define BIO_number_written(b)   ((b)->num_write)
 255
 256 #define BIO_C_SET_CONNECT                       100
 257 #define BIO_C_DO_STATE_MACHINE                  101
 258 #define BIO_C_SET_NBIO                          102
 259 #define BIO_C_SET_PROXY_PARAM                   103
 260 #define BIO_C_SET_FD                            104
 261 #define BIO_C_GET_FD                            105
 262 #define BIO_C_SET_FILE_PTR                      106
 263 #define BIO_C_GET_FILE_PTR                      107
 264 #define BIO_C_SET_FILENAME                      108
 265 #define BIO_C_SET_SSL                           109
 266 #define BIO_C_GET_SSL                           110
 267 #define BIO_C_SET_MD                            111
 268 #define BIO_C_GET_MD                            112
 269 #define BIO_C_GET_CIPHER_STATUS                 113
 270 #define BIO_C_SET_BUF_MEM                       114
 271 #define BIO_C_GET_BUF_MEM_PTR                   115
 272 #define BIO_C_GET_BUFF_NUM_LINES                116
 273 #define BIO_C_SET_BUFF_SIZE                     117
 274 #define BIO_C_SET_ACCEPT                        118
 275 #define BIO_C_SSL_MODE                          119
 276 #define BIO_C_GET_MD_CTX                        120
 277 #define BIO_C_GET_PROXY_PARAM                   121
 278
 279 #define BIO_set_app_data(s,arg)         ((s)->app_data=(char *)arg)
 280 #define BIO_get_app_data(s)             ((s)->app_data)
 281
 282 /* BIO_s_connect_socket() */
 283 #define BIO_set_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
 284 #define BIO_set_port(b,port)    BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
 285 #define BIO_set_nbio(b,n)       BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
 286
 287 /* BIO_s_accept_socket() */
 288 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
 289 /* #define BIO_set_nbio(b,n)    BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
 290 #define BIO_set_nbio_accpet(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL)
 291 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
 292
 293 #define BIO_do_connect(b)       BIO_do_handshake(b)
 294 #define BIO_do_accept(b)        BIO_do_handshake(b)
 295 #define BIO_do_handshake(b)     BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
 296
 297 /* BIO_s_proxy_client() */
 298 #define BIO_set_url(b,url)      BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
 299 #define BIO_set_proxies(b,p)    BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
 300 /* BIO_set_nbio(b,n) */
 301 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
 302 /* BIO *BIO_get_filter_bio(BIO *bio); */
 303 #define BIO_set_proxy_cb(b,cb) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(char *)(cb))
 304 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
 305
 306 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
 307 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
 308 #define BIO_get_url(b,url)      BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
 309
 310 #define BIO_set_fd(b,fd,c)      BIO_ctrl_int(b,BIO_C_SET_FD,c,fd)
 311 #define BIO_get_fd(b,c)         BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
 312
 313 #define BIO_set_fp(b,fp,c)      BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
 314 #define BIO_get_fp(b,fpp)       BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
 315
 316 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
 317                 BIO_CLOSE|BIO_FP_READ,name)
 318 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
 319                 BIO_CLOSE|BIO_FP_WRITE,name)
 320 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
 321                 BIO_CLOSE|BIO_FP_APPEND,name)
 322
 323 #define BIO_set_ssl(b,ssl,c)    BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
 324 #define BIO_get_ssl(b,sslp)     BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
 325 #define BIO_set_ssl_mode(b,client)      BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
 326
 327 /* defined in evp.h */
 328 /* #define BIO_set_md(b,md)     BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
 329
 330 #define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
 331 #define BIO_get_mem_ptr(b,pp)   BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
 332
 333 /* For the BIO_f_buffer() type */
 334 #define BIO_get_buffer_num_lines(b)     BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
 335 #define BIO_set_buffer_size(b,size)     BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
 336 #define BIO_set_read_buffer_size(b,size) BIO_ctrl_int(b,BIO_C_SET_BUFF_SIZE,size,0)
 337 #define BIO_set_write_buffer_size(b,size) BIO_ctrl_int(b,BIO_C_SET_BUFF_SIZE,size,1)
 338
 339 /* Don't use the next one unless you know what you are doing :-) */
 340 #define BIO_dup_state(b,ret)    BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)ret)
 341
 342 #define BIO_reset(b)            (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
 343 #define BIO_eof(b)              (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
 344 #define BIO_set_close(b,c)      (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
 345 #define BIO_get_close(b)        (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
 346 #define BIO_pending(b)          (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
 347 #define BIO_wpending(b)         (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
 348 #define BIO_flush(b)            (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
 349
 350 /* For the BIO_f_buffer() type */
 351 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
 352
 353 #ifndef NOPROTO
 354 BIO *   BIO_new(BIO_METHOD *type);
 355 int     BIO_set(BIO *a,BIO_METHOD *type);
 356 int     BIO_free(BIO *a);
 357 int     BIO_read(BIO *b, char *data, int len);
 358 int     BIO_gets(BIO *bp,char *buf, int size);
 359 int     BIO_write(BIO *b, char *data, int len);
 360 int     BIO_puts(BIO *bp,char *buf);
 361 long    BIO_ctrl(BIO *bp,int cmd,long larg,char *parg);
 362 long    BIO_ctrl_int(BIO *bp,int cmd,long larg,int iarg);
 363 BIO *   BIO_push(BIO *b,BIO *append);
 364 BIO *   BIO_pop(BIO *b);
 365 void    BIO_free_all(BIO *a);
 366 BIO *   BIO_find_type(BIO *b,int bio_type);
 367 BIO *   BIO_get_retry_BIO(BIO *bio, int *reason);
 368 int     BIO_get_retry_reason(BIO *bio);
 369 BIO *   BIO_dup_chain(BIO *in);
 370
 371 #ifndef WIN16
 372 long BIO_debug_callback(BIO *bio,int cmd,char *argp,int argi,
 373         long argl,long ret);
 374 #else
 375 long _far _loadds BIO_debug_callback(BIO *bio,int cmd,char *argp,int argi,
 376         long argl,long ret);
 377 #endif
 378
 379 #if !defined(WIN16) || defined(APPS_WIN16)
 380 BIO_METHOD *BIO_s_file(void);
 381 #else
 382 BIO_METHOD *BIO_s_file_internal_w16(void);
 383 #endif
 384
 385 BIO_METHOD *BIO_s_mem(void);
 386 BIO_METHOD *BIO_s_socket(void);
 387 BIO_METHOD *BIO_s_connect(void);
 388 BIO_METHOD *BIO_s_accept(void);
 389 BIO_METHOD *BIO_s_fd(void);
 390 BIO_METHOD *BIO_s_null(void);
 391 BIO_METHOD *BIO_f_null(void);
 392 BIO_METHOD *BIO_f_nbio_test(void);
 393 BIO_METHOD *BIO_f_buffer(void);
 394
 395 int BIO_sock_should_retry(int i);
 396 int BIO_sock_non_fatal_error(int error);
 397 int BIO_fd_should_retry(int i);
 398 int BIO_fd_non_fatal_error(int error);
 399 int BIO_dump(BIO *b,char *bytes,int len);
 400
 401 struct hostent *BIO_gethostbyname(char *name);
 402 int BIO_sock_error(int sock);
 403 int BIO_socket_ioctl(int fd, long type, unsigned long *arg);
 404 int BIO_get_port(char *str, short *port_ptr);
 405 int BIO_get_host_ip(char *str, unsigned char *ip);
 406 int BIO_get_accept_socket(char *host_port);
 407 int BIO_accept(int sock,char **ip_port);
 408 int BIO_sock_init(void );
 409 void BIO_sock_cleanup(void);
 410 int BIO_set_tcp_ndelay(int sock,int turn_on);
 411
 412 void ERR_load_BIO_strings(void );
 413
 414 #if !defined(WIN16) || defined(APPS_WIN16)
 415 BIO *BIO_new_file(char *filename, char *mode);
 416 BIO *BIO_new_fp(FILE *stream, int close_flag);
 417 #endif
 418 BIO *BIO_new_socket(int sock, int close_flag);
 419 BIO *BIO_new_fd(int fd, int close_flag);
 420 BIO *BIO_new_connect(char *host_port);
 421 BIO *BIO_new_accept(char *host_port);
 422
 423 void BIO_copy_next_retry(BIO *b);
 424
 425 #else
 426
 427 BIO *   BIO_new();
 428 int     BIO_set();
 429 int     BIO_free();
 430 int     BIO_read();
 431 int     BIO_gets();
 432 int     BIO_write();
 433 int     BIO_puts();
 434 long    BIO_ctrl();
 435 long    BIO_ctrl_int();
 436 BIO *   BIO_push();
 437 BIO *   BIO_pop();
 438 void    BIO_free_all();
 439 BIO *   BIO_find_type();
 440 BIO *   BIO_get_retry_BIO();
 441 int     BIO_get_retry_reason();
 442 BIO *   BIO_dup_chain();
 443
 444 #ifndef WIN16
 445 long BIO_debug_callback();
 446 #else
 447 long _far _loadds BIO_debug_callback();
 448 #endif
 449
 450 #if !defined(WIN16) || defined(APPS_WIN16)
 451 BIO_METHOD *BIO_s_file();
 452 #else
 453 BIO_METHOD *BIO_s_file_internal_w16();
 454 #endif
 455
 456 BIO_METHOD *BIO_s_mem();
 457 BIO_METHOD *BIO_s_socket();
 458 BIO_METHOD *BIO_s_connect();
 459 BIO_METHOD *BIO_s_accept();
 460 BIO_METHOD *BIO_s_fd();
 461 BIO_METHOD *BIO_s_null();
 462 BIO_METHOD *BIO_f_null();
 463 BIO_METHOD *BIO_f_buffer();
 464 BIO_METHOD *BIO_f_nbio_test();
 465
 466 int BIO_sock_should_retry();
 467 int BIO_sock_non_fatal_error();
 468 int BIO_fd_should_retry();
 469 int BIO_fd_non_fatal_error();
 470 int BIO_dump();
 471
 472 struct hostent *BIO_gethostbyname();
 473 int BIO_sock_error();
 474 int BIO_socket_ioctl();
 475 int BIO_get_port();
 476 int BIO_get_host_ip();
 477 int BIO_get_accept_socket();
 478 int BIO_accept();
 479 int BIO_sock_init();
 480 void BIO_sock_cleanup();
 481 int BIO_set_tcp_ndelay();
 482
 483 void ERR_load_BIO_strings();
 484
 485 #if !defined(WIN16) || defined(APPS_WIN16)
 486 BIO *BIO_new_file();
 487 BIO *BIO_new_fp();
 488 #endif
 489 BIO *BIO_new_socket();
 490 BIO *BIO_new_fd();
 491 BIO *BIO_new_connect();
 492 BIO *BIO_new_accept();
 493
 494 void BIO_copy_next_retry();
 495
 496 #endif
 497
 498 /* Tim Hudson's portable varargs stuff */
 499
 500 #ifndef NOPROTO
 501 #define VAR_ANSI        /* select ANSI version by default */
 502 #endif
 503
 504 #ifdef VAR_ANSI
 505 /* ANSI version of a "portable" macro set for variable length args */
 506 #ifndef __STDARG_H__ /**/
 507 #include <stdarg.h>
 508 #endif /**/
 509
 510 #define VAR_PLIST(arg1type,arg1)    arg1type arg1, ...
 511 #define VAR_PLIST2(arg1type,arg1,arg2type,arg2) arg1type arg1,arg2type arg2,...
 512 #define VAR_ALIST
 513 #define VAR_BDEFN(args,arg1type,arg1)   va_list args
 514 #define VAR_BDEFN2(args,arg1type,arg1,arg2type,arg2)    va_list args
 515 #define VAR_INIT(args,arg1type,arg1)    va_start(args,arg1);
 516 #define VAR_INIT2(args,arg1type,arg1,arg2type,arg2) va_start(args,arg2);
 517 #define VAR_ARG(args,type,arg)  arg=va_arg(args,type)
 518 #define VAR_END(args)           va_end(args);
 519
 520 #else
 521
 522 /* K&R version of a "portable" macro set for variable length args */
 523 #ifndef __VARARGS_H__
 524 #include <varargs.h>
 525 #endif
 526
 527 #define VAR_PLIST(arg1type,arg1)        va_alist
 528 #define VAR_PLIST2(arg1type,arg1,arg2type,arg2) va_alist
 529 #define VAR_ALIST               va_dcl
 530 #define VAR_BDEFN(args,arg1type,arg1)   va_list args; arg1type arg1
 531 #define VAR_BDEFN2(args,arg1type,arg1,arg2type,arg2)    va_list args; \
 532         arg1type arg1; arg2type arg2
 533 #define VAR_INIT(args,arg1type,arg1)    va_start(args); \
 534         arg1=va_arg(args,arg1type);
 535 #define VAR_INIT2(args,arg1type,arg1,arg2type,arg2) va_start(args); \
 536         arg1=va_arg(args,arg1type);     arg2=va_arg(args,arg2type);
 537 #define VAR_ARG(args,type,arg)          arg=va_arg(args,type)
 538 #define VAR_END(args)                   va_end(args);
 539
 540 #endif
 541
 542 #ifndef NOPROTO
 543 int BIO_printf( VAR_PLIST( BIO *, bio ) );
 544 #else
 545 int BIO_printf();
 546 #endif
 547
 548 /* BEGIN ERROR CODES */
 549 /* Error codes for the BIO functions. */
 550
 551 /* Function codes. */
 552 #define BIO_F_ACPT_STATE                                 100
 553 #define BIO_F_BIO_ACCEPT                                 101
 554 #define BIO_F_BIO_CTRL                                   102
 555 #define BIO_F_BIO_GETS                                   103
 556 #define BIO_F_BIO_GET_ACCEPT_SOCKET                      104
 557 #define BIO_F_BIO_GET_HOST_IP                            105
 558 #define BIO_F_BIO_GET_PORT                               106
 559 #define BIO_F_BIO_NEW                                    107
 560 #define BIO_F_BIO_NEW_FILE                               108
 561 #define BIO_F_BIO_PUTS                                   109
 562 #define BIO_F_BIO_READ                                   110
 563 #define BIO_F_BIO_SOCK_INIT                              111
 564 #define BIO_F_BIO_WRITE                                  112
 565 #define BIO_F_CONN_STATE                                 113
 566 #define BIO_F_FILE_CTRL                                  114
 567 #define BIO_F_MEM_WRITE                                  115
 568 #define BIO_F_WSASTARTUP                                 116
 569
 570 /* Reason codes. */
 571 #define BIO_R_ACCEPT_ERROR                               100
 572 #define BIO_R_BAD_FOPEN_MODE                             101
 573 #define BIO_R_BAD_HOSTNAME_LOOKUP                        102
 574 #define BIO_R_CONNECT_ERROR                              103
 575 #define BIO_R_ERROR_SETTING_NBIO                         104
 576 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET      105
 577 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET        106
 578 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET          107
 579 #define BIO_R_INVALID_IP_ADDRESS                         108
 580 #define BIO_R_NBIO_CONNECT_ERROR                         109
 581 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED                   110
 582 #define BIO_R_NO_HOSTHNAME_SPECIFIED                     111
 583 #define BIO_R_NO_PORT_DEFINED                            112
 584 #define BIO_R_NO_PORT_SPECIFIED                          113
 585 #define BIO_R_NULL_PARAMETER                             114
 586 #define BIO_R_UNABLE_TO_BIND_SOCKET                      115
 587 #define BIO_R_UNABLE_TO_CREATE_SOCKET                    116
 588 #define BIO_R_UNABLE_TO_LISTEN_SOCKET                    117
 589 #define BIO_R_UNINITALISED                               118
 590 #define BIO_R_UNSUPPORTED_METHOD                         119
 591 #define BIO_R_WSASTARTUP                                 120
 592
 593 #ifdef  __cplusplus
 594 }
 595 #endif
 596 #endif
 597