LCOM1920-T02G10

/* crypto/bio/bio.h */

/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)

 * All rights reserved.

 *

 * This package is an SSL implementation written

 * by Eric Young (eay@cryptsoft.com).

 * The implementation was written so as to conform with Netscapes SSL.

 *

 * This library is free for commercial and non-commercial use as long as

 * the following conditions are aheared to.  The following conditions

 * apply to all code found in this distribution, be it the RC4, RSA,

 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation

 * included with this distribution is covered by the same copyright terms

 * except that the holder is Tim Hudson (tjh@cryptsoft.com).

 *

 * Copyright remains Eric Young's, and as such any Copyright notices in

 * the code are not to be removed.

 * If this package is used in a product, Eric Young should be given attribution

 * as the author of the parts of the library used.

 * This can be in the form of a textual message at program startup or

 * in documentation (online or textual) provided with the package.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. All advertising materials mentioning features or use of this software

 *    must display the following acknowledgement:

 *    "This product includes cryptographic software written by

 *     Eric Young (eay@cryptsoft.com)"

 *    The word 'cryptographic' can be left out if the rouines from the library

 *    being used are not cryptographic related :-).

 * 4. If you include any Windows specific code (or a derivative thereof) from

 *    the apps directory (application code) you must include an acknowledgement:

 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"

 *

 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 *

 * The licence and distribution terms for any publically available version or

 * derivative of this code cannot be changed.  i.e. this code cannot simply be

 * copied and put under another distribution licence

 * [including the GNU Public Licence.]

 */

#ifndef HEADER_BIO_H

# define HEADER_BIO_H

# include <openssl/e_os2.h>

# ifndef OPENSSL_NO_FP_API

#  include <stdio.h>

# endif

# include <stdarg.h>

# include <openssl/crypto.h>

# ifndef OPENSSL_NO_SCTP

#  ifndef OPENSSL_SYS_VMS

#   include <stdint.h>

#  else

#   include <inttypes.h>

#  endif

# endif

#ifdef  __cplusplus

extern "C" {

#endif

/* These are the 'types' of BIOs */

# define BIO_TYPE_NONE           0

# define BIO_TYPE_MEM            (1|0x0400)

# define BIO_TYPE_FILE           (2|0x0400)

# define BIO_TYPE_FD             (4|0x0400|0x0100)

# define BIO_TYPE_SOCKET         (5|0x0400|0x0100)

# define BIO_TYPE_NULL           (6|0x0400)

# define BIO_TYPE_SSL            (7|0x0200)

# define BIO_TYPE_MD             (8|0x0200)/* passive filter */

# define BIO_TYPE_BUFFER         (9|0x0200)/* filter */

# define BIO_TYPE_CIPHER         (10|0x0200)/* filter */

# define BIO_TYPE_BASE64         (11|0x0200)/* filter */

# define BIO_TYPE_CONNECT        (12|0x0400|0x0100)/* socket - connect */

# define BIO_TYPE_ACCEPT         (13|0x0400|0x0100)/* socket for accept */

# define BIO_TYPE_PROXY_CLIENT   (14|0x0200)/* client proxy BIO */

# define BIO_TYPE_PROXY_SERVER   (15|0x0200)/* server proxy BIO */

# define BIO_TYPE_NBIO_TEST      (16|0x0200)/* server proxy BIO */

# define BIO_TYPE_NULL_FILTER    (17|0x0200)

# define BIO_TYPE_BER            (18|0x0200)/* BER -> bin filter */

# define BIO_TYPE_BIO            (19|0x0400)/* (half a) BIO pair */

# define BIO_TYPE_LINEBUFFER     (20|0x0200)/* filter */

# define BIO_TYPE_DGRAM          (21|0x0400|0x0100)

# ifndef OPENSSL_NO_SCTP

#  define BIO_TYPE_DGRAM_SCTP     (24|0x0400|0x0100)

# endif

# define BIO_TYPE_ASN1           (22|0x0200)/* filter */

# define BIO_TYPE_COMP           (23|0x0200)/* filter */

# define BIO_TYPE_DESCRIPTOR     0x0100/* socket, fd, connect or accept */

# define BIO_TYPE_FILTER         0x0200

# define BIO_TYPE_SOURCE_SINK    0x0400

/*

 * BIO_FILENAME_READ|BIO_CLOSE to open or close on free.

 * BIO_set_fp(in,stdin,BIO_NOCLOSE);

 */

# define BIO_NOCLOSE             0x00

# define BIO_CLOSE               0x01

/*

 * These are used in the following macros and are passed to BIO_ctrl()

 */

# define BIO_CTRL_RESET          1/* opt - rewind/zero etc */

# define BIO_CTRL_EOF            2/* opt - are we at the eof */

# define BIO_CTRL_INFO           3/* opt - extra tit-bits */

# define BIO_CTRL_SET            4/* man - set the 'IO' type */

# define BIO_CTRL_GET            5/* man - get the 'IO' type */

# define BIO_CTRL_PUSH           6/* opt - internal, used to signify change */

# define BIO_CTRL_POP            7/* opt - internal, used to signify change */

# define BIO_CTRL_GET_CLOSE      8/* man - set the 'close' on free */

# define BIO_CTRL_SET_CLOSE      9/* man - set the 'close' on free */

# define BIO_CTRL_PENDING        10/* opt - is their more data buffered */

# define BIO_CTRL_FLUSH          11/* opt - 'flush' buffered output */

# define BIO_CTRL_DUP            12/* man - extra stuff for 'duped' BIO */

# define BIO_CTRL_WPENDING       13/* opt - number of bytes still to write */

/* callback is int cb(BIO *bio,state,ret); */

# define BIO_CTRL_SET_CALLBACK   14/* opt - set callback function */

# define BIO_CTRL_GET_CALLBACK   15/* opt - set callback function */

# define BIO_CTRL_SET_FILENAME   30/* BIO_s_file special */

/* dgram BIO stuff */

# define BIO_CTRL_DGRAM_CONNECT       31/* BIO dgram special */

# define BIO_CTRL_DGRAM_SET_CONNECTED 32/* allow for an externally connected

                                         * socket to be passed in */

# define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33/* setsockopt, essentially */

# define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34/* getsockopt, essentially */

# define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35/* setsockopt, essentially */

# define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36/* getsockopt, essentially */

# define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37/* flag whether the last */

# define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38/* I/O operation tiemd out */

/* #ifdef IP_MTU_DISCOVER */

# define BIO_CTRL_DGRAM_MTU_DISCOVER       39/* set DF bit on egress packets */

/* #endif */

# define BIO_CTRL_DGRAM_QUERY_MTU          40/* as kernel for current MTU */

# define BIO_CTRL_DGRAM_GET_FALLBACK_MTU   47

# define BIO_CTRL_DGRAM_GET_MTU            41/* get cached value for MTU */

# define BIO_CTRL_DGRAM_SET_MTU            42/* set cached value for MTU.

                                              * want to use this if asking

                                              * the kernel fails */

# define BIO_CTRL_DGRAM_MTU_EXCEEDED       43/* check whether the MTU was

                                              * exceed in the previous write

                                              * operation */

# define BIO_CTRL_DGRAM_GET_PEER           46

# define BIO_CTRL_DGRAM_SET_PEER           44/* Destination for the data */

# define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT   45/* Next DTLS handshake timeout

                                              * to adjust socket timeouts */

# define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD   49

# ifndef OPENSSL_NO_SCTP

/* SCTP stuff */

#  define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE    50

#  define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY                51

#  define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY               52

#  define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD               53

#  define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO         60

#  define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO         61

#  define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO         62

#  define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO         63

#  define BIO_CTRL_DGRAM_SCTP_GET_PRINFO                  64

#  define BIO_CTRL_DGRAM_SCTP_SET_PRINFO                  65

#  define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN               70

# endif

/* modifiers */

# define BIO_FP_READ             0x02

# define BIO_FP_WRITE            0x04

# define BIO_FP_APPEND           0x08

# define BIO_FP_TEXT             0x10

# define BIO_FLAGS_READ          0x01

# define BIO_FLAGS_WRITE         0x02

# define BIO_FLAGS_IO_SPECIAL    0x04

# define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)

# define BIO_FLAGS_SHOULD_RETRY  0x08

# ifndef BIO_FLAGS_UPLINK

/*

 * "UPLINK" flag denotes file descriptors provided by application. It

 * defaults to 0, as most platforms don't require UPLINK interface.

 */

#  define BIO_FLAGS_UPLINK        0

# endif

/* Used in BIO_gethostbyname() */

# define BIO_GHBN_CTRL_HITS              1

# define BIO_GHBN_CTRL_MISSES            2

# define BIO_GHBN_CTRL_CACHE_SIZE        3

# define BIO_GHBN_CTRL_GET_ENTRY         4

# define BIO_GHBN_CTRL_FLUSH             5

/* Mostly used in the SSL BIO */

/*-

 * Not used anymore

 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10

 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20

 * #define BIO_FLAGS_PROTOCOL_STARTUP   0x40

 */

# define BIO_FLAGS_BASE64_NO_NL  0x100

/*

 * This is used with memory BIOs: it means we shouldn't free up or change the

 * data in any way.

 */

# define BIO_FLAGS_MEM_RDONLY    0x200

typedef struct bio_st BIO;

void BIO_set_flags(BIO *b, int flags);

int BIO_test_flags(const BIO *b, int flags);

void BIO_clear_flags(BIO *b, int flags);

# define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))

# define BIO_set_retry_special(b) \

                BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))

# define BIO_set_retry_read(b) \

                BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))

# define BIO_set_retry_write(b) \

                BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))

/* These are normally used internally in BIOs */

# define BIO_clear_retry_flags(b) \

                BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))

# define BIO_get_retry_flags(b) \

                BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))

/* These should be used by the application to tell why we should retry */

# define BIO_should_read(a)              BIO_test_flags(a, BIO_FLAGS_READ)

# define BIO_should_write(a)             BIO_test_flags(a, BIO_FLAGS_WRITE)

# define BIO_should_io_special(a)        BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)

# define BIO_retry_type(a)               BIO_test_flags(a, BIO_FLAGS_RWS)

# define BIO_should_retry(a)             BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)

/*

 * The next three are used in conjunction with the BIO_should_io_special()

 * condition.  After this returns true, BIO *BIO_get_retry_BIO(BIO *bio, int

 * *reason); will walk the BIO stack and return the 'reason' for the special

 * and the offending BIO. Given a BIO, BIO_get_retry_reason(bio) will return

 * the code.

 */

/*

 * Returned from the SSL bio when the certificate retrieval code had an error

 */

# define BIO_RR_SSL_X509_LOOKUP          0x01

/* Returned from the connect BIO when a connect would have blocked */

# define BIO_RR_CONNECT                  0x02

/* Returned from the accept BIO when an accept would have blocked */

# define BIO_RR_ACCEPT                   0x03

/* These are passed by the BIO callback */

# define BIO_CB_FREE     0x01

# define BIO_CB_READ     0x02

# define BIO_CB_WRITE    0x03

# define BIO_CB_PUTS     0x04

# define BIO_CB_GETS     0x05

# define BIO_CB_CTRL     0x06

/*

 * The callback is called before and after the underling operation, The

 * BIO_CB_RETURN flag indicates if it is after the call

 */

# define BIO_CB_RETURN   0x80

# define BIO_CB_return(a) ((a)|BIO_CB_RETURN)

# define BIO_cb_pre(a)   (!((a)&BIO_CB_RETURN))

# define BIO_cb_post(a)  ((a)&BIO_CB_RETURN)

long (*BIO_get_callback(const BIO *b)) (struct bio_st *, int, const char *,

                                        int, long, long);

void BIO_set_callback(BIO *b,

                      long (*callback) (struct bio_st *, int, const char *,

                                        int, long, long));

char *BIO_get_callback_arg(const BIO *b);

void BIO_set_callback_arg(BIO *b, char *arg);

const char *BIO_method_name(const BIO *b);

int BIO_method_type(const BIO *b);

typedef void bio_info_cb (struct bio_st *, int, const char *, int, long,

                          long);

typedef struct bio_method_st {

    int type;

    const char *name;

    int (*bwrite) (BIO *, const char *, int);

    int (*bread) (BIO *, char *, int);

    int (*bputs) (BIO *, const char *);

    int (*bgets) (BIO *, char *, int);

    long (*ctrl) (BIO *, int, long, void *);

    int (*create) (BIO *);

    int (*destroy) (BIO *);

    long (*callback_ctrl) (BIO *, int, bio_info_cb *);

} BIO_METHOD;

struct bio_st {

    BIO_METHOD *method;

    /* bio, mode, argp, argi, argl, ret */

    long (*callback) (struct bio_st *, int, const char *, int, long, long);

    char *cb_arg;               /* first argument for the callback */

    int init;

    int shutdown;

    int flags;                  /* extra storage */

    int retry_reason;

    int num;

    void *ptr;

    struct bio_st *next_bio;    /* used by filter BIOs */

    struct bio_st *prev_bio;    /* used by filter BIOs */

    int references;

    unsigned long num_read;

    unsigned long num_write;

    CRYPTO_EX_DATA ex_data;

};

DECLARE_STACK_OF(BIO)

typedef struct bio_f_buffer_ctx_struct {

    /*-

     * Buffers are setup like this:

     *

     * <---------------------- size ----------------------->

     * +---------------------------------------------------+

     * | consumed | remaining          | free space        |

     * +---------------------------------------------------+

     * <-- off --><------- len ------->

     */

    /*- BIO *bio; *//*

     * this is now in the BIO struct

     */

    int ibuf_size;              /* how big is the input buffer */

    int obuf_size;              /* how big is the output buffer */

    char *ibuf;                 /* the char array */

    int ibuf_len;               /* how many bytes are in it */

    int ibuf_off;               /* write/read offset */

    char *obuf;                 /* the char array */

    int obuf_len;               /* how many bytes are in it */

    int obuf_off;               /* write/read offset */

} BIO_F_BUFFER_CTX;

/* Prefix and suffix callback in ASN1 BIO */

typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen,

                          void *parg);

# ifndef OPENSSL_NO_SCTP

/* SCTP parameter structs */

struct bio_dgram_sctp_sndinfo {

    uint16_t snd_sid;

    uint16_t snd_flags;

    uint32_t snd_ppid;

    uint32_t snd_context;

};

struct bio_dgram_sctp_rcvinfo {

    uint16_t rcv_sid;

    uint16_t rcv_ssn;

    uint16_t rcv_flags;

    uint32_t rcv_ppid;

    uint32_t rcv_tsn;

    uint32_t rcv_cumtsn;

    uint32_t rcv_context;

};

struct bio_dgram_sctp_prinfo {

    uint16_t pr_policy;

    uint32_t pr_value;

};

# endif

/* connect BIO stuff */

# define BIO_CONN_S_BEFORE               1

# define BIO_CONN_S_GET_IP               2

# define BIO_CONN_S_GET_PORT             3

# define BIO_CONN_S_CREATE_SOCKET        4

# define BIO_CONN_S_CONNECT              5

# define BIO_CONN_S_OK                   6

# define BIO_CONN_S_BLOCKED_CONNECT      7

# define BIO_CONN_S_NBIO                 8

/*

 * #define BIO_CONN_get_param_hostname BIO_ctrl

 */

# define BIO_C_SET_CONNECT                       100

# define BIO_C_DO_STATE_MACHINE                  101

# define BIO_C_SET_NBIO                          102

# define BIO_C_SET_PROXY_PARAM                   103

# define BIO_C_SET_FD                            104

# define BIO_C_GET_FD                            105

# define BIO_C_SET_FILE_PTR                      106

# define BIO_C_GET_FILE_PTR                      107

# define BIO_C_SET_FILENAME                      108

# define BIO_C_SET_SSL                           109

# define BIO_C_GET_SSL                           110

# define BIO_C_SET_MD                            111

# define BIO_C_GET_MD                            112

# define BIO_C_GET_CIPHER_STATUS                 113

# define BIO_C_SET_BUF_MEM                       114

# define BIO_C_GET_BUF_MEM_PTR                   115

# define BIO_C_GET_BUFF_NUM_LINES                116

# define BIO_C_SET_BUFF_SIZE                     117

# define BIO_C_SET_ACCEPT                        118

# define BIO_C_SSL_MODE                          119

# define BIO_C_GET_MD_CTX                        120

# define BIO_C_GET_PROXY_PARAM                   121

# define BIO_C_SET_BUFF_READ_DATA                122/* data to read first */

# define BIO_C_GET_CONNECT                       123

# define BIO_C_GET_ACCEPT                        124

# define BIO_C_SET_SSL_RENEGOTIATE_BYTES         125

# define BIO_C_GET_SSL_NUM_RENEGOTIATES          126

# define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT       127

# define BIO_C_FILE_SEEK                         128

# define BIO_C_GET_CIPHER_CTX                    129

# define BIO_C_SET_BUF_MEM_EOF_RETURN            130/* return end of input

                                                     * value */

# define BIO_C_SET_BIND_MODE                     131

# define BIO_C_GET_BIND_MODE                     132

# define BIO_C_FILE_TELL                         133

# define BIO_C_GET_SOCKS                         134

# define BIO_C_SET_SOCKS                         135

# define BIO_C_SET_WRITE_BUF_SIZE                136/* for BIO_s_bio */

# define BIO_C_GET_WRITE_BUF_SIZE                137

# define BIO_C_MAKE_BIO_PAIR                     138

# define BIO_C_DESTROY_BIO_PAIR                  139

# define BIO_C_GET_WRITE_GUARANTEE               140

# define BIO_C_GET_READ_REQUEST                  141

# define BIO_C_SHUTDOWN_WR                       142

# define BIO_C_NREAD0                            143

# define BIO_C_NREAD                             144

# define BIO_C_NWRITE0                           145

# define BIO_C_NWRITE                            146

# define BIO_C_RESET_READ_REQUEST                147

# define BIO_C_SET_MD_CTX                        148

# define BIO_C_SET_PREFIX                        149

# define BIO_C_GET_PREFIX                        150

# define BIO_C_SET_SUFFIX                        151

# define BIO_C_GET_SUFFIX                        152

# define BIO_C_SET_EX_ARG                        153

# define BIO_C_GET_EX_ARG                        154

# define BIO_set_app_data(s,arg)         BIO_set_ex_data(s,0,arg)

# define BIO_get_app_data(s)             BIO_get_ex_data(s,0)

/* BIO_s_connect() and BIO_s_socks4a_connect() */

# define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)

# define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)

# define BIO_set_conn_ip(b,ip)     BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)

# define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)

# define BIO_get_conn_hostname(b)  BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)

# define BIO_get_conn_port(b)      BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)

# define BIO_get_conn_ip(b)               BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)

# define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3,0)

# define BIO_set_nbio(b,n)       BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)

/* BIO_s_accept_socket() */

# define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)

# define BIO_get_accept_port(b)  BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)

/* #define BIO_set_nbio(b,n)    BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */

# define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?(void *)"a":NULL)

# define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)

# define BIO_BIND_NORMAL                 0

# define BIO_BIND_REUSEADDR_IF_UNUSED    1

# define BIO_BIND_REUSEADDR              2

# define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)

# define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)

# define BIO_do_connect(b)       BIO_do_handshake(b)

# define BIO_do_accept(b)        BIO_do_handshake(b)

# define BIO_do_handshake(b)     BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)

/* BIO_s_proxy_client() */

# define BIO_set_url(b,url)      BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))

# define BIO_set_proxies(b,p)    BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))

/* BIO_set_nbio(b,n) */

# define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))

/* BIO *BIO_get_filter_bio(BIO *bio); */

# define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)()))

# define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)

# define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)

# define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)

# define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))

# define BIO_get_url(b,url)      BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))

# define BIO_get_no_connect_return(b)    BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)

# define BIO_set_fd(b,fd,c)      BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)

# define BIO_get_fd(b,c)         BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)

# define BIO_set_fp(b,fp,c)      BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)

# define BIO_get_fp(b,fpp)       BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)

# define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)

# define BIO_tell(b)     (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)

/*

 * name is cast to lose const, but might be better to route through a

 * function so we can do it safely

 */

# ifdef CONST_STRICT

/*

 * If you are wondering why this isn't defined, its because CONST_STRICT is

 * purely a compile-time kludge to allow const to be checked.

 */

int BIO_read_filename(BIO *b, const char *name);

# else

#  define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \

                BIO_CLOSE|BIO_FP_READ,(char *)name)

# endif

# define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \

                BIO_CLOSE|BIO_FP_WRITE,name)

# define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \

                BIO_CLOSE|BIO_FP_APPEND,name)

# define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \

                BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)

/*

 * WARNING WARNING, this ups the reference count on the read bio of the SSL

 * structure.  This is because the ssl read BIO is now pointed to by the

 * next_bio field in the bio.  So when you free the BIO, make sure you are

 * doing a BIO_free_all() to catch the underlying BIO.

 */

# define BIO_set_ssl(b,ssl,c)    BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)

# define BIO_get_ssl(b,sslp)     BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)

# define BIO_set_ssl_mode(b,client)      BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)

# define BIO_set_ssl_renegotiate_bytes(b,num) \

        BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);

# define BIO_get_num_renegotiates(b) \

        BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL);

# define BIO_set_ssl_renegotiate_timeout(b,seconds) \

        BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);

/* defined in evp.h */

/* #define BIO_set_md(b,md)     BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */

# define BIO_get_mem_data(b,pp)  BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)

# define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)

# define BIO_get_mem_ptr(b,pp)   BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)

# define BIO_set_mem_eof_return(b,v) \

                                BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)

/* For the BIO_f_buffer() type */

# define BIO_get_buffer_num_lines(b)     BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)

# define BIO_set_buffer_size(b,size)     BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)

# define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)

# define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)

# define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)

/* Don't use the next one unless you know what you are doing :-) */

# define BIO_dup_state(b,ret)    BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))

# define BIO_reset(b)            (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)

# define BIO_eof(b)              (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)

# define BIO_set_close(b,c)      (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)

# define BIO_get_close(b)        (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)

# define BIO_pending(b)          (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)

# define BIO_wpending(b)         (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)

/* ...pending macros have inappropriate return type */

size_t BIO_ctrl_pending(BIO *b);

size_t BIO_ctrl_wpending(BIO *b);

# define BIO_flush(b)            (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)

# define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \

                                                   cbp)

# define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)

/* For the BIO_f_buffer() type */

# define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)

/* For BIO_s_bio() */

# define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)

# define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)

# define BIO_make_bio_pair(b1,b2)   (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)

# define BIO_destroy_bio_pair(b)    (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)

# define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)

/* macros with inappropriate type -- but ...pending macros use int too: */

# define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)

# define BIO_get_read_request(b)    (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)

size_t BIO_ctrl_get_write_guarantee(BIO *b);

size_t BIO_ctrl_get_read_request(BIO *b);

int BIO_ctrl_reset_read_request(BIO *b);

/* ctrl macros for dgram */

# define BIO_ctrl_dgram_connect(b,peer)  \

                     (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer)

# define BIO_ctrl_set_connected(b, state, peer) \

         (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (char *)peer)

# define BIO_dgram_recv_timedout(b) \

         (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)

# define BIO_dgram_send_timedout(b) \

         (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)

# define BIO_dgram_get_peer(b,peer) \

         (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer)

# define BIO_dgram_set_peer(b,peer) \

         (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)

# define BIO_dgram_get_mtu_overhead(b) \

         (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL)

/* These two aren't currently implemented */

/* int BIO_get_ex_num(BIO *bio); */

/* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */

int BIO_set_ex_data(BIO *bio, int idx, void *data);

void *BIO_get_ex_data(BIO *bio, int idx);

int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,

                         CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);

unsigned long BIO_number_read(BIO *bio);

unsigned long BIO_number_written(BIO *bio);

/* For BIO_f_asn1() */

int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,

                        asn1_ps_func *prefix_free);

int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,

                        asn1_ps_func **pprefix_free);

int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,

                        asn1_ps_func *suffix_free);

int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,

                        asn1_ps_func **psuffix_free);

# ifndef OPENSSL_NO_FP_API

BIO_METHOD *BIO_s_file(void);

BIO *BIO_new_file(const char *filename, const char *mode);

BIO *BIO_new_fp(FILE *stream, int close_flag);

#  define BIO_s_file_internal    BIO_s_file

# endif

BIO *BIO_new(BIO_METHOD *type);

int BIO_set(BIO *a, BIO_METHOD *type);

int BIO_free(BIO *a);

void BIO_vfree(BIO *a);

int BIO_read(BIO *b, void *data, int len);

int BIO_gets(BIO *bp, char *buf, int size);

int BIO_write(BIO *b, const void *data, int len);

int BIO_puts(BIO *bp, const char *buf);

int BIO_indent(BIO *b, int indent, int max);

long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg);

long BIO_callback_ctrl(BIO *b, int cmd,

                       void (*fp) (struct bio_st *, int, const char *, int,

                                   long, long));

char *BIO_ptr_ctrl(BIO *bp, int cmd, long larg);

long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg);

BIO *BIO_push(BIO *b, BIO *append);

BIO *BIO_pop(BIO *b);

void BIO_free_all(BIO *a);

BIO *BIO_find_type(BIO *b, int bio_type);

BIO *BIO_next(BIO *b);

BIO *BIO_get_retry_BIO(BIO *bio, int *reason);

int BIO_get_retry_reason(BIO *bio);

BIO *BIO_dup_chain(BIO *in);

int BIO_nread0(BIO *bio, char **buf);

int BIO_nread(BIO *bio, char **buf, int num);

int BIO_nwrite0(BIO *bio, char **buf);

int BIO_nwrite(BIO *bio, char **buf, int num);

long BIO_debug_callback(BIO *bio, int cmd, const char *argp, int argi,

                        long argl, long ret);

BIO_METHOD *BIO_s_mem(void);

BIO *BIO_new_mem_buf(void *buf, int len);

BIO_METHOD *BIO_s_socket(void);

BIO_METHOD *BIO_s_connect(void);

BIO_METHOD *BIO_s_accept(void);

BIO_METHOD *BIO_s_fd(void);

# ifndef OPENSSL_SYS_OS2

BIO_METHOD *BIO_s_log(void);

# endif

BIO_METHOD *BIO_s_bio(void);

BIO_METHOD *BIO_s_null(void);

BIO_METHOD *BIO_f_null(void);

BIO_METHOD *BIO_f_buffer(void);

# ifdef OPENSSL_SYS_VMS

BIO_METHOD *BIO_f_linebuffer(void);

# endif

BIO_METHOD *BIO_f_nbio_test(void);

# ifndef OPENSSL_NO_DGRAM

BIO_METHOD *BIO_s_datagram(void);

#  ifndef OPENSSL_NO_SCTP

BIO_METHOD *BIO_s_datagram_sctp(void);

#  endif

# endif

/* BIO_METHOD *BIO_f_ber(void); */

int BIO_sock_should_retry(int i);

int BIO_sock_non_fatal_error(int error);

int BIO_dgram_non_fatal_error(int error);

int BIO_fd_should_retry(int i);

int BIO_fd_non_fatal_error(int error);

int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u),

                void *u, const char *s, int len);

int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u),

                       void *u, const char *s, int len, int indent);

int BIO_dump(BIO *b, const char *bytes, int len);

int BIO_dump_indent(BIO *b, const char *bytes, int len, int indent);

# ifndef OPENSSL_NO_FP_API

int BIO_dump_fp(FILE *fp, const char *s, int len);

int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent);

# endif

struct hostent *BIO_gethostbyname(const char *name);

/*-

 * We might want a thread-safe interface too:

 * struct hostent *BIO_gethostbyname_r(const char *name,

 *     struct hostent *result, void *buffer, size_t buflen);

 * or something similar (caller allocates a struct hostent,

 * pointed to by "result", and additional buffer space for the various

 * substructures; if the buffer does not suffice, NULL is returned

 * and an appropriate error code is set).

 */

int BIO_sock_error(int sock);

int BIO_socket_ioctl(int fd, long type, void *arg);

int BIO_socket_nbio(int fd, int mode);

int BIO_get_port(const char *str, unsigned short *port_ptr);

int BIO_get_host_ip(const char *str, unsigned char *ip);

int BIO_get_accept_socket(char *host_port, int mode);

int BIO_accept(int sock, char **ip_port);

int BIO_sock_init(void);

void BIO_sock_cleanup(void);

int BIO_set_tcp_ndelay(int sock, int turn_on);

BIO *BIO_new_socket(int sock, int close_flag);

BIO *BIO_new_dgram(int fd, int close_flag);

# ifndef OPENSSL_NO_SCTP

BIO *BIO_new_dgram_sctp(int fd, int close_flag);

int BIO_dgram_is_sctp(BIO *bio);

int BIO_dgram_sctp_notification_cb(BIO *b,

                                   void (*handle_notifications) (BIO *bio,

                                                                 void

                                                                 *context,

                                                                 void *buf),

                                   void *context);

int BIO_dgram_sctp_wait_for_dry(BIO *b);

int BIO_dgram_sctp_msg_waiting(BIO *b);

# endif

BIO *BIO_new_fd(int fd, int close_flag);

BIO *BIO_new_connect(char *host_port);

BIO *BIO_new_accept(char *host_port);

int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,

                     BIO **bio2, size_t writebuf2);

/*

 * If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.

 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. Size 0 uses default

 * value.

 */

void BIO_copy_next_retry(BIO *b);

/*

 * long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);

 */

# ifdef __GNUC__

#  define __bio_h__attr__ __attribute__

# else

#  define __bio_h__attr__(x)

# endif

int BIO_printf(BIO *bio, const char *format, ...)

__bio_h__attr__((__format__(__printf__, 2, 3)));

int BIO_vprintf(BIO *bio, const char *format, va_list args)

__bio_h__attr__((__format__(__printf__, 2, 0)));

int BIO_snprintf(char *buf, size_t n, const char *format, ...)

__bio_h__attr__((__format__(__printf__, 3, 4)));

int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)

__bio_h__attr__((__format__(__printf__, 3, 0)));

# undef __bio_h__attr__

/* BEGIN ERROR CODES */

/*

 * The following lines are auto generated by the script mkerr.pl. Any changes

 * made after this point may be overwritten when the script is next run.

 */

void ERR_load_BIO_strings(void);

/* Error codes for the BIO functions. */

/* Function codes. */

# define BIO_F_ACPT_STATE                                 100

# define BIO_F_BIO_ACCEPT                                 101

# define BIO_F_BIO_BER_GET_HEADER                         102

# define BIO_F_BIO_CALLBACK_CTRL                          131

# define BIO_F_BIO_CTRL                                   103

# define BIO_F_BIO_GETHOSTBYNAME                          120

# define BIO_F_BIO_GETS                                   104

# define BIO_F_BIO_GET_ACCEPT_SOCKET                      105

# define BIO_F_BIO_GET_HOST_IP                            106

# define BIO_F_BIO_GET_PORT                               107

# define BIO_F_BIO_MAKE_PAIR                              121

# define BIO_F_BIO_NEW                                    108

# define BIO_F_BIO_NEW_FILE                               109

# define BIO_F_BIO_NEW_MEM_BUF                            126

# define BIO_F_BIO_NREAD                                  123

# define BIO_F_BIO_NREAD0                                 124

# define BIO_F_BIO_NWRITE                                 125

# define BIO_F_BIO_NWRITE0                                122

# define BIO_F_BIO_PUTS                                   110

# define BIO_F_BIO_READ                                   111

# define BIO_F_BIO_SOCK_INIT                              112

# define BIO_F_BIO_WRITE                                  113

# define BIO_F_BUFFER_CTRL                                114

# define BIO_F_CONN_CTRL                                  127

# define BIO_F_CONN_STATE                                 115

# define BIO_F_DGRAM_SCTP_READ                            132

# define BIO_F_DGRAM_SCTP_WRITE                           133

# define BIO_F_FILE_CTRL                                  116

# define BIO_F_FILE_READ                                  130

# define BIO_F_LINEBUFFER_CTRL                            129

# define BIO_F_MEM_READ                                   128

# define BIO_F_MEM_WRITE                                  117

# define BIO_F_SSL_NEW                                    118

# define BIO_F_WSASTARTUP                                 119

/* Reason codes. */

# define BIO_R_ACCEPT_ERROR                               100

# define BIO_R_BAD_FOPEN_MODE                             101

# define BIO_R_BAD_HOSTNAME_LOOKUP                        102

# define BIO_R_BROKEN_PIPE                                124

# define BIO_R_CONNECT_ERROR                              103

# define BIO_R_EOF_ON_MEMORY_BIO                          127

# define BIO_R_ERROR_SETTING_NBIO                         104

# define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET      105

# define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET        106

# define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET          107

# define BIO_R_INVALID_ARGUMENT                           125

# define BIO_R_INVALID_IP_ADDRESS                         108

# define BIO_R_IN_USE                                     123

# define BIO_R_KEEPALIVE                                  109

# define BIO_R_NBIO_CONNECT_ERROR                         110

# define BIO_R_NO_ACCEPT_PORT_SPECIFIED                   111

# define BIO_R_NO_HOSTNAME_SPECIFIED                      112

# define BIO_R_NO_PORT_DEFINED                            113

# define BIO_R_NO_PORT_SPECIFIED                          114

# define BIO_R_NO_SUCH_FILE                               128

# define BIO_R_NULL_PARAMETER                             115

# define BIO_R_TAG_MISMATCH                               116

# define BIO_R_UNABLE_TO_BIND_SOCKET                      117

# define BIO_R_UNABLE_TO_CREATE_SOCKET                    118

# define BIO_R_UNABLE_TO_LISTEN_SOCKET                    119

# define BIO_R_UNINITIALIZED                              120

# define BIO_R_UNSUPPORTED_METHOD                         121

# define BIO_R_WRITE_TO_READ_ONLY_BIO                     126

# define BIO_R_WSASTARTUP                                 122

#ifdef  __cplusplus

}

#endif

#endif