bio.h

00001 /* crypto/bio/bio.h */
00002 /* Copyright (C) 1995-1998 Eric Young ([email protected])
00003  * All rights reserved.
00004  *
00005  * This package is an SSL implementation written
00006  * by Eric Young ([email protected]).
00007  * The implementation was written so as to conform with Netscapes SSL.
00008  * 
00009  * This library is free for commercial and non-commercial use as long as
00010  * the following conditions are aheared to.  The following conditions
00011  * apply to all code found in this distribution, be it the RC4, RSA,
00012  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
00013  * included with this distribution is covered by the same copyright terms
00014  * except that the holder is Tim Hudson ([email protected]).
00015  * 
00016  * Copyright remains Eric Young's, and as such any Copyright notices in
00017  * the code are not to be removed.
00018  * If this package is used in a product, Eric Young should be given attribution
00019  * as the author of the parts of the library used.
00020  * This can be in the form of a textual message at program startup or
00021  * in documentation (online or textual) provided with the package.
00022  * 
00023  * Redistribution and use in source and binary forms, with or without
00024  * modification, are permitted provided that the following conditions
00025  * are met:
00026  * 1. Redistributions of source code must retain the copyright
00027  *    notice, this list of conditions and the following disclaimer.
00028  * 2. Redistributions in binary form must reproduce the above copyright
00029  *    notice, this list of conditions and the following disclaimer in the
00030  *    documentation and/or other materials provided with the distribution.
00031  * 3. All advertising materials mentioning features or use of this software
00032  *    must display the following acknowledgement:
00033  *    "This product includes cryptographic software written by
00034  *     Eric Young ([email protected])"
00035  *    The word 'cryptographic' can be left out if the rouines from the library
00036  *    being used are not cryptographic related :-).
00037  * 4. If you include any Windows specific code (or a derivative thereof) from 
00038  *    the apps directory (application code) you must include an acknowledgement:
00039  *    "This product includes software written by Tim Hudson ([email protected])"
00040  * 
00041  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
00042  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00043  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00044  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
00045  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00046  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00047  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00048  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00049  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00050  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00051  * SUCH DAMAGE.
00052  * 
00053  * The licence and distribution terms for any publically available version or
00054  * derivative of this code cannot be changed.  i.e. this code cannot simply be
00055  * copied and put under another distribution licence
00056  * [including the GNU Public Licence.]
00057  */
00058  /*
00059  © Portions copyright (c) 2006 Nokia Corporation.  All rights reserved.
00060  */
00061  
00062 #ifndef HEADER_BIO_H
00063 #define HEADER_BIO_H
00064 
00065 #if (defined(__SYMBIAN32__) && !defined(SYMBIAN))
00066 #define SYMBIAN
00067 #endif
00068 
00069 #ifdef SYMBIAN
00070 #include <e32def.h>
00071 #endif
00072 #include <openssl/e_os2.h>
00073 
00074 #ifndef OPENSSL_NO_FP_API
00075 # include <stdio.h>
00076 #endif
00077 #include <stdarg.h>
00078 
00079 #include <openssl/crypto.h>
00080 
00081 #ifdef  __cplusplus
00082 extern "C" {
00083 #endif
00084 
00085 /* These are the 'types' of BIOs */
00086 #define BIO_TYPE_NONE           0
00087 #define BIO_TYPE_MEM            (1|0x0400)
00088 #define BIO_TYPE_FILE           (2|0x0400)
00089 
00090 #define BIO_TYPE_FD             (4|0x0400|0x0100)
00091 #define BIO_TYPE_SOCKET         (5|0x0400|0x0100)
00092 #define BIO_TYPE_NULL           (6|0x0400)
00093 #define BIO_TYPE_SSL            (7|0x0200)
00094 #define BIO_TYPE_MD             (8|0x0200)              /* passive filter */
00095 #define BIO_TYPE_BUFFER         (9|0x0200)              /* filter */
00096 #define BIO_TYPE_CIPHER         (10|0x0200)             /* filter */
00097 #define BIO_TYPE_BASE64         (11|0x0200)             /* filter */
00098 #define BIO_TYPE_CONNECT        (12|0x0400|0x0100)      /* socket - connect */
00099 #define BIO_TYPE_ACCEPT         (13|0x0400|0x0100)      /* socket for accept */
00100 #define BIO_TYPE_PROXY_CLIENT   (14|0x0200)             /* client proxy BIO */
00101 #define BIO_TYPE_PROXY_SERVER   (15|0x0200)             /* server proxy BIO */
00102 #define BIO_TYPE_NBIO_TEST      (16|0x0200)             /* server proxy BIO */
00103 #define BIO_TYPE_NULL_FILTER    (17|0x0200)
00104 #define BIO_TYPE_BER            (18|0x0200)             /* BER -> bin filter */
00105 #define BIO_TYPE_BIO            (19|0x0400)             /* (half a) BIO pair */
00106 #define BIO_TYPE_LINEBUFFER     (20|0x0200)             /* filter */
00107 #define BIO_TYPE_DGRAM          (21|0x0400|0x0100)
00108 
00109 #define BIO_TYPE_DESCRIPTOR     0x0100  /* socket, fd, connect or accept */
00110 #define BIO_TYPE_FILTER         0x0200
00111 #define BIO_TYPE_SOURCE_SINK    0x0400
00112 
00113 /* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
00114  * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
00115 #define BIO_NOCLOSE             0x00
00116 #define BIO_CLOSE               0x01
00117 
00118 /* These are used in the following macros and are passed to
00119  * BIO_ctrl() */
00120 #define BIO_CTRL_RESET          1  /* opt - rewind/zero etc */
00121 #define BIO_CTRL_EOF            2  /* opt - are we at the eof */
00122 #define BIO_CTRL_INFO           3  /* opt - extra tit-bits */
00123 #define BIO_CTRL_SET            4  /* man - set the 'IO' type */
00124 #define BIO_CTRL_GET            5  /* man - get the 'IO' type */
00125 #define BIO_CTRL_PUSH           6  /* opt - internal, used to signify change */
00126 #define BIO_CTRL_POP            7  /* opt - internal, used to signify change */
00127 #define BIO_CTRL_GET_CLOSE      8  /* man - set the 'close' on free */
00128 #define BIO_CTRL_SET_CLOSE      9  /* man - set the 'close' on free */
00129 #define BIO_CTRL_PENDING        10  /* opt - is their more data buffered */
00130 #define BIO_CTRL_FLUSH          11  /* opt - 'flush' buffered output */
00131 #define BIO_CTRL_DUP            12  /* man - extra stuff for 'duped' BIO */
00132 #define BIO_CTRL_WPENDING       13  /* opt - number of bytes still to write */
00133 /* callback is int cb(BIO *bio,state,ret); */
00134 #define BIO_CTRL_SET_CALLBACK   14  /* opt - set callback function */
00135 #define BIO_CTRL_GET_CALLBACK   15  /* opt - set callback function */
00136 
00137 #define BIO_CTRL_SET_FILENAME   30      /* BIO_s_file special */
00138 
00139 /* dgram BIO stuff */
00140 #define BIO_CTRL_DGRAM_CONNECT       31  /* BIO dgram special */
00141 #define BIO_CTRL_DGRAM_SET_CONNECTED 32  /* allow for an externally
00142                                                                                   * connected socket to be
00143                                                                                   * passed in */ 
00144 #define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33 /* setsockopt, essentially */
00145 #define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34 /* getsockopt, essentially */
00146 #define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35 /* setsockopt, essentially */
00147 #define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36 /* getsockopt, essentially */
00148 
00149 #define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37 /* flag whether the last */
00150 #define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38 /* I/O operation tiemd out */
00151                                         
00152 /* #ifdef IP_MTU_DISCOVER */
00153 #define BIO_CTRL_DGRAM_MTU_DISCOVER       39 /* set DF bit on egress packets */
00154 /* #endif */
00155 
00156 #define BIO_CTRL_DGRAM_QUERY_MTU          40 /* as kernel for current MTU */
00157 #define BIO_CTRL_DGRAM_GET_MTU            41 /* get cached value for MTU */
00158 #define BIO_CTRL_DGRAM_SET_MTU            42 /* set cached value for
00159                                                                                           * MTU. want to use this
00160                                               * if asking the kernel
00161                                               * fails */
00162 
00163 #define BIO_CTRL_DGRAM_MTU_EXCEEDED       43 /* check whether the MTU
00164                                                                                           * was exceed in the
00165                                                                                           * previous write
00166                                                                                           * operation */
00167 
00168 #define BIO_CTRL_DGRAM_SET_PEER           44 /* Destination for the data */
00169 
00170 
00171 /* modifiers */
00172 #define BIO_FP_READ             0x02
00173 #define BIO_FP_WRITE            0x04
00174 #define BIO_FP_APPEND           0x08
00175 #define BIO_FP_TEXT             0x10
00176 
00177 #define BIO_FLAGS_READ          0x01
00178 #define BIO_FLAGS_WRITE         0x02
00179 #define BIO_FLAGS_IO_SPECIAL    0x04
00180 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
00181 #define BIO_FLAGS_SHOULD_RETRY  0x08
00182 #ifndef BIO_FLAGS_UPLINK
00183 /* "UPLINK" flag denotes file descriptors provided by application.
00184    It defaults to 0, as most platforms don't require UPLINK interface. */
00185 #define BIO_FLAGS_UPLINK        0
00186 #endif
00187 
00188 /* Used in BIO_gethostbyname() */
00189 #define BIO_GHBN_CTRL_HITS              1
00190 #define BIO_GHBN_CTRL_MISSES            2
00191 #define BIO_GHBN_CTRL_CACHE_SIZE        3
00192 #define BIO_GHBN_CTRL_GET_ENTRY         4
00193 #define BIO_GHBN_CTRL_FLUSH             5
00194 
00195 /* Mostly used in the SSL BIO */
00196 /* Not used anymore
00197  * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
00198  * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
00199  * #define BIO_FLAGS_PROTOCOL_STARTUP   0x40
00200  */
00201 
00202 #define BIO_FLAGS_BASE64_NO_NL  0x100
00203 
00204 /* This is used with memory BIOs: it means we shouldn't free up or change the
00205  * data in any way.
00206  */
00207 #define BIO_FLAGS_MEM_RDONLY    0x200
00208 
00209 #define BIO_set_flags(b,f) ((b)->flags|=(f))
00210 #define BIO_get_flags(b) ((b)->flags)
00211 #define BIO_set_retry_special(b) \
00212                 ((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
00213 #define BIO_set_retry_read(b) \
00214                 ((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
00215 #define BIO_set_retry_write(b) \
00216                 ((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
00217 
00218 /* These are normally used internally in BIOs */
00219 #define BIO_clear_flags(b,f) ((b)->flags&= ~(f))
00220 #define BIO_clear_retry_flags(b) \
00221                 ((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
00222 #define BIO_get_retry_flags(b) \
00223                 ((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
00224 
00225 /* These should be used by the application to tell why we should retry */
00226 #define BIO_should_read(a)              ((a)->flags & BIO_FLAGS_READ)
00227 #define BIO_should_write(a)             ((a)->flags & BIO_FLAGS_WRITE)
00228 #define BIO_should_io_special(a)        ((a)->flags & BIO_FLAGS_IO_SPECIAL)
00229 #define BIO_retry_type(a)               ((a)->flags & BIO_FLAGS_RWS)
00230 #define BIO_should_retry(a)             ((a)->flags & BIO_FLAGS_SHOULD_RETRY)
00231 
00232 /* The next three are used in conjunction with the
00233  * BIO_should_io_special() condition.  After this returns true,
00234  * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO 
00235  * stack and return the 'reason' for the special and the offending BIO.
00236  * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
00237 /* Returned from the SSL bio when the certificate retrieval code had an error */
00238 #define BIO_RR_SSL_X509_LOOKUP          0x01
00239 /* Returned from the connect BIO when a connect would have blocked */
00240 #define BIO_RR_CONNECT                  0x02
00241 /* Returned from the accept BIO when an accept would have blocked */
00242 #define BIO_RR_ACCEPT                   0x03
00243 
00244 /* These are passed by the BIO callback */
00245 #define BIO_CB_FREE     0x01
00246 #define BIO_CB_READ     0x02
00247 #define BIO_CB_WRITE    0x03
00248 #define BIO_CB_PUTS     0x04
00249 #define BIO_CB_GETS     0x05
00250 #define BIO_CB_CTRL     0x06
00251 
00252 /* The callback is called before and after the underling operation,
00253  * The BIO_CB_RETURN flag indicates if it is after the call */
00254 #define BIO_CB_RETURN   0x80
00255 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
00256 #define BIO_cb_pre(a)   (!((a)&BIO_CB_RETURN))
00257 #define BIO_cb_post(a)  ((a)&BIO_CB_RETURN)
00258 
00259 #define BIO_set_callback(b,cb)          ((b)->callback=(cb))
00260 #define BIO_set_callback_arg(b,arg)     ((b)->cb_arg=(char *)(arg))
00261 #define BIO_get_callback_arg(b)         ((b)->cb_arg)
00262 #define BIO_get_callback(b)             ((b)->callback)
00263 #define BIO_method_name(b)              ((b)->method->name)
00264 #define BIO_method_type(b)              ((b)->method->type)
00265 
00266 typedef struct bio_st BIO;
00267 
00268 typedef void bio_info_cb(struct bio_st *, int, const char *, int, long, long);
00269 
00270 #ifndef OPENSSL_SYS_WIN16
00271 typedef struct bio_method_st
00272         {
00273         int type;
00274         const char *name;
00275         int (*bwrite)(BIO *, const char *, int);
00276         int (*bread)(BIO *, char *, int);
00277         int (*bputs)(BIO *, const char *);
00278         int (*bgets)(BIO *, char *, int);
00279         long (*ctrl)(BIO *, int, long, void *);
00280         int (*create)(BIO *);
00281         int (*destroy)(BIO *);
00282         long (*callback_ctrl)(BIO *, int, bio_info_cb *);
00283         } BIO_METHOD;
00284 #else
00285 typedef struct bio_method_st
00286         {
00287         int type;
00288         const char *name;
00289         int (_far *bwrite)();
00290         int (_far *bread)();
00291         int (_far *bputs)();
00292         int (_far *bgets)();
00293         long (_far *ctrl)();
00294         int (_far *create)();
00295         int (_far *destroy)();
00296         long (_far *callback_ctrl)();
00297         } BIO_METHOD;
00298 #endif
00299 
00300 struct bio_st
00301         {
00302         BIO_METHOD *method;
00303         /* bio, mode, argp, argi, argl, ret */
00304         long (*callback)(struct bio_st *,int,const char *,int, long,long);
00305         char *cb_arg; /* first argument for the callback */
00306 
00307         int init;
00308         int shutdown;
00309         int flags;      /* extra storage */
00310         int retry_reason;
00311         int num;
00312         void *ptr;
00313         struct bio_st *next_bio;        /* used by filter BIOs */
00314         struct bio_st *prev_bio;        /* used by filter BIOs */
00315         int references;
00316         unsigned long num_read;
00317         unsigned long num_write;
00318 
00319         CRYPTO_EX_DATA ex_data;
00320         };
00321 
00322 DECLARE_STACK_OF(BIO)
00323 
00324 typedef struct bio_f_buffer_ctx_struct
00325         {
00326         /* BIO *bio; */ /* this is now in the BIO struct */
00327         int ibuf_size;  /* how big is the input buffer */
00328         int obuf_size;  /* how big is the output buffer */
00329 
00330         char *ibuf;             /* the char array */
00331         int ibuf_len;           /* how many bytes are in it */
00332         int ibuf_off;           /* write/read offset */
00333 
00334         char *obuf;             /* the char array */
00335         int obuf_len;           /* how many bytes are in it */
00336         int obuf_off;           /* write/read offset */
00337         } BIO_F_BUFFER_CTX;
00338 
00339 /* connect BIO stuff */
00340 #define BIO_CONN_S_BEFORE               1
00341 #define BIO_CONN_S_GET_IP               2
00342 #define BIO_CONN_S_GET_PORT             3
00343 #define BIO_CONN_S_CREATE_SOCKET        4
00344 #define BIO_CONN_S_CONNECT              5
00345 #define BIO_CONN_S_OK                   6
00346 #define BIO_CONN_S_BLOCKED_CONNECT      7
00347 #define BIO_CONN_S_NBIO                 8
00348 /*#define BIO_CONN_get_param_hostname   BIO_ctrl */
00349 
00350 #define BIO_C_SET_CONNECT                       100
00351 #define BIO_C_DO_STATE_MACHINE                  101
00352 #define BIO_C_SET_NBIO                          102
00353 #define BIO_C_SET_PROXY_PARAM                   103
00354 #define BIO_C_SET_FD                            104
00355 #define BIO_C_GET_FD                            105
00356 #define BIO_C_SET_FILE_PTR                      106
00357 #define BIO_C_GET_FILE_PTR                      107
00358 #define BIO_C_SET_FILENAME                      108
00359 #define BIO_C_SET_SSL                           109
00360 #define BIO_C_GET_SSL                           110
00361 #define BIO_C_SET_MD                            111
00362 #define BIO_C_GET_MD                            112
00363 #define BIO_C_GET_CIPHER_STATUS                 113
00364 #define BIO_C_SET_BUF_MEM                       114
00365 #define BIO_C_GET_BUF_MEM_PTR                   115
00366 #define BIO_C_GET_BUFF_NUM_LINES                116
00367 #define BIO_C_SET_BUFF_SIZE                     117
00368 #define BIO_C_SET_ACCEPT                        118
00369 #define BIO_C_SSL_MODE                          119
00370 #define BIO_C_GET_MD_CTX                        120
00371 #define BIO_C_GET_PROXY_PARAM                   121
00372 #define BIO_C_SET_BUFF_READ_DATA                122 /* data to read first */
00373 #define BIO_C_GET_CONNECT                       123
00374 #define BIO_C_GET_ACCEPT                        124
00375 #define BIO_C_SET_SSL_RENEGOTIATE_BYTES         125
00376 #define BIO_C_GET_SSL_NUM_RENEGOTIATES          126
00377 #define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT       127
00378 #define BIO_C_FILE_SEEK                         128
00379 #define BIO_C_GET_CIPHER_CTX                    129
00380 #define BIO_C_SET_BUF_MEM_EOF_RETURN            130/*return end of input value*/
00381 #define BIO_C_SET_BIND_MODE                     131
00382 #define BIO_C_GET_BIND_MODE                     132
00383 #define BIO_C_FILE_TELL                         133
00384 #define BIO_C_GET_SOCKS                         134
00385 #define BIO_C_SET_SOCKS                         135
00386 
00387 #define BIO_C_SET_WRITE_BUF_SIZE                136/* for BIO_s_bio */
00388 #define BIO_C_GET_WRITE_BUF_SIZE                137
00389 #define BIO_C_MAKE_BIO_PAIR                     138
00390 #define BIO_C_DESTROY_BIO_PAIR                  139
00391 #define BIO_C_GET_WRITE_GUARANTEE               140
00392 #define BIO_C_GET_READ_REQUEST                  141
00393 #define BIO_C_SHUTDOWN_WR                       142
00394 #define BIO_C_NREAD0                            143
00395 #define BIO_C_NREAD                             144
00396 #define BIO_C_NWRITE0                           145
00397 #define BIO_C_NWRITE                            146
00398 #define BIO_C_RESET_READ_REQUEST                147
00399 
00400 
00401 #define BIO_set_app_data(s,arg)         BIO_set_ex_data(s,0,arg)
00402 #define BIO_get_app_data(s)             BIO_get_ex_data(s,0)
00403 
00404 /* BIO_s_connect() and BIO_s_socks4a_connect() */
00405 #define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
00406 #define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
00407 #define BIO_set_conn_ip(b,ip)     BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
00408 #define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
00409 #define BIO_get_conn_hostname(b)  BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
00410 #define BIO_get_conn_port(b)      BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
00411 #define BIO_get_conn_ip(b)               BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)
00412 #define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3)
00413 
00414 
00415 #define BIO_set_nbio(b,n)       BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
00416 
00417 /* BIO_s_accept_socket() */
00418 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
00419 #define BIO_get_accept_port(b)  BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
00420 /* #define BIO_set_nbio(b,n)    BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
00421 #define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL)
00422 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
00423 
00424 #define BIO_BIND_NORMAL                 0
00425 #define BIO_BIND_REUSEADDR_IF_UNUSED    1
00426 #define BIO_BIND_REUSEADDR              2
00427 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
00428 #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
00429 
00430 #define BIO_do_connect(b)       BIO_do_handshake(b)
00431 #define BIO_do_accept(b)        BIO_do_handshake(b)
00432 #define BIO_do_handshake(b)     BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
00433 
00434 /* BIO_s_proxy_client() */
00435 #define BIO_set_url(b,url)      BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
00436 #define BIO_set_proxies(b,p)    BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
00437 /* BIO_set_nbio(b,n) */
00438 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
00439 /* BIO *BIO_get_filter_bio(BIO *bio); */
00440 #define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)()))
00441 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
00442 #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
00443 
00444 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
00445 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
00446 #define BIO_get_url(b,url)      BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
00447 #define BIO_get_no_connect_return(b)    BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
00448 
00449 #define BIO_set_fd(b,fd,c)      BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
00450 #define BIO_get_fd(b,c)         BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
00451 
00452 #define BIO_set_fp(b,fp,c)      BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
00453 #define BIO_get_fp(b,fpp)       BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
00454 
00455 #define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
00456 #define BIO_tell(b)     (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
00457 
00458 /* name is cast to lose const, but might be better to route through a function
00459    so we can do it safely */
00460 #ifdef CONST_STRICT
00461 /* If you are wondering why this isn't defined, its because CONST_STRICT is
00462  * purely a compile-time kludge to allow const to be checked.
00463  */
00464 int BIO_read_filename(BIO *b,const char *name);
00465 #else
00466 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
00467                 BIO_CLOSE|BIO_FP_READ,(char *)name)
00468 #endif
00469 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
00470                 BIO_CLOSE|BIO_FP_WRITE,name)
00471 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
00472                 BIO_CLOSE|BIO_FP_APPEND,name)
00473 #define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
00474                 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
00475 
00476 /* WARNING WARNING, this ups the reference count on the read bio of the
00477  * SSL structure.  This is because the ssl read BIO is now pointed to by
00478  * the next_bio field in the bio.  So when you free the BIO, make sure
00479  * you are doing a BIO_free_all() to catch the underlying BIO. */
00480 #define BIO_set_ssl(b,ssl,c)    BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
00481 #define BIO_get_ssl(b,sslp)     BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
00482 #define BIO_set_ssl_mode(b,client)      BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
00483 #define BIO_set_ssl_renegotiate_bytes(b,num) \
00484         BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
00485 #define BIO_get_num_renegotiates(b) \
00486         BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL);
00487 #define BIO_set_ssl_renegotiate_timeout(b,seconds) \
00488         BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
00489 
00490 /* defined in evp.h */
00491 /* #define BIO_set_md(b,md)     BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
00492 
00493 #define BIO_get_mem_data(b,pp)  BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
00494 #define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
00495 #define BIO_get_mem_ptr(b,pp)   BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
00496 #define BIO_set_mem_eof_return(b,v) \
00497                                 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
00498 
00499 /* For the BIO_f_buffer() type */
00500 #define BIO_get_buffer_num_lines(b)     BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
00501 #define BIO_set_buffer_size(b,size)     BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
00502 #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
00503 #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
00504 #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
00505 
00506 /* Don't use the next one unless you know what you are doing :-) */
00507 #define BIO_dup_state(b,ret)    BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
00508 
00509 #define BIO_reset(b)            (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
00510 #define BIO_eof(b)              (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
00511 #define BIO_set_close(b,c)      (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
00512 #define BIO_get_close(b)        (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
00513 #define BIO_pending(b)          (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
00514 #define BIO_wpending(b)         (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
00515 /* ...pending macros have inappropriate return type */
00516 size_t BIO_ctrl_pending(BIO *b);
00517 size_t BIO_ctrl_wpending(BIO *b);
00518 #define BIO_flush(b)            (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
00519 #define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
00520                                                    cbp)
00521 #define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
00522 
00523 /* For the BIO_f_buffer() type */
00524 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
00525 
00526 /* For BIO_s_bio() */
00527 #define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
00528 #define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
00529 #define BIO_make_bio_pair(b1,b2)   (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
00530 #define BIO_destroy_bio_pair(b)    (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
00531 #define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
00532 /* macros with inappropriate type -- but ...pending macros use int too: */
00533 #define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
00534 #define BIO_get_read_request(b)    (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
00535 size_t BIO_ctrl_get_write_guarantee(BIO *b);
00536 size_t BIO_ctrl_get_read_request(BIO *b);
00537 int BIO_ctrl_reset_read_request(BIO *b);
00538 
00539 /* ctrl macros for dgram */
00540 #define BIO_ctrl_dgram_connect(b,peer)  \
00541                      (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer)
00542 #define BIO_ctrl_set_connected(b, state, peer) \
00543          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (char *)peer)
00544 #define BIO_dgram_recv_timedout(b) \
00545          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
00546 #define BIO_dgram_send_timedout(b) \
00547          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
00548 #define BIO_dgram_set_peer(b,peer) \
00549          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)
00550 
00551 /* These two aren't currently implemented */
00552 /* int BIO_get_ex_num(BIO *bio); */
00553 /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
00554 IMPORT_C int BIO_set_ex_data(BIO *bio,int idx,void *data);
00555 IMPORT_C void *BIO_get_ex_data(BIO *bio,int idx);
00556 IMPORT_C int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
00557         CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
00558 IMPORT_C unsigned long BIO_number_read(BIO *bio);
00559 IMPORT_C unsigned long BIO_number_written(BIO *bio);
00560 
00561 # ifndef OPENSSL_NO_FP_API
00562 #  if defined(OPENSSL_SYS_WIN16) && defined(_WINDLL)
00563 BIO_METHOD *BIO_s_file_internal(void);
00564 BIO *BIO_new_file_internal(char *filename, char *mode);
00565 BIO *BIO_new_fp_internal(FILE *stream, int close_flag);
00566 #    define BIO_s_file  BIO_s_file_internal
00567 #    define BIO_new_file        BIO_new_file_internal
00568 #    define BIO_new_fp  BIO_new_fp_internal
00569 #  else /* FP_API */
00570 IMPORT_C BIO_METHOD *BIO_s_file(void );
00571 IMPORT_C BIO *BIO_new_file(const char *filename, const char *mode);
00572 IMPORT_C BIO *BIO_new_fp(FILE *stream, int close_flag);
00573 #    define BIO_s_file_internal         BIO_s_file
00574 #    define BIO_new_file_internal       BIO_new_file
00575 #    define BIO_new_fp_internal         BIO_s_file
00576 #  endif /* FP_API */
00577 # endif
00578 IMPORT_C BIO *  BIO_new(BIO_METHOD *type);
00579 IMPORT_C int    BIO_set(BIO *a,BIO_METHOD *type);
00580 IMPORT_C int    BIO_free(BIO *a);
00581 IMPORT_C void   BIO_vfree(BIO *a);
00582 IMPORT_C int    BIO_read(BIO *b, void *data, int len);
00583 IMPORT_C int    BIO_gets(BIO *bp,char *buf, int size);
00584 IMPORT_C int    BIO_write(BIO *b, const void *data, int len);
00585 IMPORT_C int    BIO_puts(BIO *bp,const char *buf);
00586 IMPORT_C int    BIO_indent(BIO *b,int indent,int max);
00587 IMPORT_C long   BIO_ctrl(BIO *bp,int cmd,long larg,void *parg);
00588 IMPORT_C long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long));
00589 IMPORT_C char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg);
00590 IMPORT_C long   BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg);
00591 IMPORT_C BIO *  BIO_push(BIO *b,BIO *append);
00592 IMPORT_C BIO *  BIO_pop(BIO *b);
00593 IMPORT_C void   BIO_free_all(BIO *a);
00594 IMPORT_C BIO *  BIO_find_type(BIO *b,int bio_type);
00595 IMPORT_C BIO *  BIO_next(BIO *b);
00596 IMPORT_C BIO *  BIO_get_retry_BIO(BIO *bio, int *reason);
00597 IMPORT_C int    BIO_get_retry_reason(BIO *bio);
00598 IMPORT_C BIO *  BIO_dup_chain(BIO *in);
00599 
00600 IMPORT_C int BIO_nread0(BIO *bio, char **buf);
00601 IMPORT_C int BIO_nread(BIO *bio, char **buf, int num);
00602 IMPORT_C int BIO_nwrite0(BIO *bio, char **buf);
00603 IMPORT_C int BIO_nwrite(BIO *bio, char **buf, int num);
00604 
00605 #ifndef OPENSSL_SYS_WIN16
00606 long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
00607         long argl,long ret);
00608 #else
00609 IMPORT_C long _far _loadds BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
00610         long argl,long ret);
00611 #endif
00612 
00613 IMPORT_C BIO_METHOD *BIO_s_mem(void);
00614 IMPORT_C BIO *BIO_new_mem_buf(void *buf, int len);
00615 IMPORT_C BIO_METHOD *BIO_s_socket(void);
00616 IMPORT_C BIO_METHOD *BIO_s_connect(void);
00617 IMPORT_C BIO_METHOD *BIO_s_accept(void);
00618 IMPORT_C BIO_METHOD *BIO_s_fd(void);
00619 IMPORT_C BIO_METHOD *BIO_s_bio(void);
00620 IMPORT_C BIO_METHOD *BIO_s_null(void);
00621 IMPORT_C BIO_METHOD *BIO_f_null(void);
00622 IMPORT_C BIO_METHOD *BIO_f_buffer(void);
00623 IMPORT_C BIO_METHOD *BIO_f_nbio_test(void);
00624 #ifndef OPENSSL_NO_DGRAM
00625 IMPORT_C BIO_METHOD *BIO_s_datagram(void);
00626 #endif
00627 
00628 /* BIO_METHOD *BIO_f_ber(void); */
00629 
00630 IMPORT_C int BIO_sock_should_retry(int i);
00631 IMPORT_C int BIO_sock_non_fatal_error(int error);
00632 IMPORT_C int BIO_dgram_non_fatal_error(int error);
00633 
00634 IMPORT_C int BIO_fd_should_retry(int i);
00635 IMPORT_C int BIO_fd_non_fatal_error(int error);
00636 IMPORT_C int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u),
00637                 void *u, const char *s, int len);
00638 IMPORT_C int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
00639                        void *u, const char *s, int len, int indent);
00640 IMPORT_C int BIO_dump(BIO *b,const char *bytes,int len);
00641 IMPORT_C int BIO_dump_indent(BIO *b,const char *bytes,int len,int indent);
00642 #ifndef OPENSSL_NO_FP_API
00643 IMPORT_C int BIO_dump_fp(FILE *fp, const char *s, int len);
00644 IMPORT_C int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent);
00645 #endif
00646 IMPORT_C struct hostent *BIO_gethostbyname(const char *name);
00647 /* We might want a thread-safe interface too:
00648  * struct hostent *BIO_gethostbyname_r(const char *name,
00649  *     struct hostent *result, void *buffer, size_t buflen);
00650  * or something similar (caller allocates a struct hostent,
00651  * pointed to by "result", and additional buffer space for the various
00652  * substructures; if the buffer does not suffice, NULL is returned
00653  * and an appropriate error code is set).
00654  */
00655 IMPORT_C int BIO_sock_error(int sock);
00656 IMPORT_C int BIO_socket_ioctl(int fd, long type, void *arg);
00657 IMPORT_C int BIO_socket_nbio(int fd,int mode);
00658 IMPORT_C int BIO_get_port(const char *str, unsigned short *port_ptr);
00659 IMPORT_C int BIO_get_host_ip(const char *str, unsigned char *ip);
00660 IMPORT_C int BIO_get_accept_socket(char *host_port,int mode);
00661 IMPORT_C int BIO_accept(int sock,char **ip_port);
00662 IMPORT_C int BIO_sock_init(void );
00663 IMPORT_C void BIO_sock_cleanup(void);
00664 IMPORT_C int BIO_set_tcp_ndelay(int sock,int turn_on);
00665 
00666 IMPORT_C BIO *BIO_new_socket(int sock, int close_flag);
00667 IMPORT_C BIO *BIO_new_dgram(int fd, int close_flag);
00668 IMPORT_C BIO *BIO_new_fd(int fd, int close_flag);
00669 IMPORT_C BIO *BIO_new_connect(char *host_port);
00670 IMPORT_C BIO *BIO_new_accept(char *host_port);
00671 
00672 IMPORT_C int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
00673         BIO **bio2, size_t writebuf2);
00674 /* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
00675  * Otherwise returns 0 and sets *bio1 and *bio2 to NULL.
00676  * Size 0 uses default value.
00677  */
00678 
00679 IMPORT_C void BIO_copy_next_retry(BIO *b);
00680 
00681 /*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/
00682 
00683 #ifndef __GNUC__
00684 #define __attribute__(x)
00685 #endif
00686 int BIO_printf(BIO *bio, const char *format, ...)
00687         __attribute__((__format__(__printf__,2,3)));
00688 int BIO_vprintf(BIO *bio, const char *format, va_list args)
00689         __attribute__((__format__(__printf__,2,0)));
00690 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
00691         __attribute__((__format__(__printf__,3,4)));
00692 int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
00693         __attribute__((__format__(__printf__,3,0)));
00694 
00695 /* BEGIN ERROR CODES */
00696 /* The following lines are auto generated by the script mkerr.pl. Any changes
00697  * made after this point may be overwritten when the script is next run.
00698  */
00699 IMPORT_C void ERR_load_BIO_strings(void);
00700 
00701 /* Error codes for the BIO functions. */
00702 
00703 /* Function codes. */
00704 #define BIO_F_ACPT_STATE                                 100
00705 #define BIO_F_BIO_ACCEPT                                 101
00706 #define BIO_F_BIO_BER_GET_HEADER                         102
00707 #define BIO_F_BIO_CALLBACK_CTRL                          131
00708 #define BIO_F_BIO_CTRL                                   103
00709 #define BIO_F_BIO_GETHOSTBYNAME                          120
00710 #define BIO_F_BIO_GETS                                   104
00711 #define BIO_F_BIO_GET_ACCEPT_SOCKET                      105
00712 #define BIO_F_BIO_GET_HOST_IP                            106
00713 #define BIO_F_BIO_GET_PORT                               107
00714 #define BIO_F_BIO_MAKE_PAIR                              121
00715 #define BIO_F_BIO_NEW                                    108
00716 #define BIO_F_BIO_NEW_FILE                               109
00717 #define BIO_F_BIO_NEW_MEM_BUF                            126
00718 #define BIO_F_BIO_NREAD                                  123
00719 #define BIO_F_BIO_NREAD0                                 124
00720 #define BIO_F_BIO_NWRITE                                 125
00721 #define BIO_F_BIO_NWRITE0                                122
00722 #define BIO_F_BIO_PUTS                                   110
00723 #define BIO_F_BIO_READ                                   111
00724 #define BIO_F_BIO_SOCK_INIT                              112
00725 #define BIO_F_BIO_WRITE                                  113
00726 #define BIO_F_BUFFER_CTRL                                114
00727 #define BIO_F_CONN_CTRL                                  127
00728 #define BIO_F_CONN_STATE                                 115
00729 #define BIO_F_FILE_CTRL                                  116
00730 #define BIO_F_FILE_READ                                  130
00731 #define BIO_F_LINEBUFFER_CTRL                            129
00732 #define BIO_F_MEM_READ                                   128
00733 #define BIO_F_MEM_WRITE                                  117
00734 #define BIO_F_SSL_NEW                                    118
00735 #define BIO_F_WSASTARTUP                                 119
00736 
00737 /* Reason codes. */
00738 #define BIO_R_ACCEPT_ERROR                               100
00739 #define BIO_R_BAD_FOPEN_MODE                             101
00740 #define BIO_R_BAD_HOSTNAME_LOOKUP                        102
00741 #define BIO_R_BROKEN_PIPE                                124
00742 #define BIO_R_CONNECT_ERROR                              103
00743 #define BIO_R_EOF_ON_MEMORY_BIO                          127
00744 #define BIO_R_ERROR_SETTING_NBIO                         104
00745 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET      105
00746 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET        106
00747 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET          107
00748 #define BIO_R_INVALID_ARGUMENT                           125
00749 #define BIO_R_INVALID_IP_ADDRESS                         108
00750 #define BIO_R_IN_USE                                     123
00751 #define BIO_R_KEEPALIVE                                  109
00752 #define BIO_R_NBIO_CONNECT_ERROR                         110
00753 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED                   111
00754 #define BIO_R_NO_HOSTNAME_SPECIFIED                      112
00755 #define BIO_R_NO_PORT_DEFINED                            113
00756 #define BIO_R_NO_PORT_SPECIFIED                          114
00757 #define BIO_R_NO_SUCH_FILE                               128
00758 #define BIO_R_NULL_PARAMETER                             115
00759 #define BIO_R_TAG_MISMATCH                               116
00760 #define BIO_R_UNABLE_TO_BIND_SOCKET                      117
00761 #define BIO_R_UNABLE_TO_CREATE_SOCKET                    118
00762 #define BIO_R_UNABLE_TO_LISTEN_SOCKET                    119
00763 #define BIO_R_UNINITIALIZED                              120
00764 #define BIO_R_UNSUPPORTED_METHOD                         121
00765 #define BIO_R_WRITE_TO_READ_ONLY_BIO                     126
00766 #define BIO_R_WSASTARTUP                                 122
00767 
00768 #ifdef  __cplusplus
00769 }
00770 #endif
00771 #endif