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openssl/crypto/bio/bio.h
Matt Caswell 921095d4d3 make update 
Reviewed-by: Richard Levitte <levitte@openssl.org>
2015-03-19 13:31:16 +00:00

879 lines
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/* 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_SET_DONT_FRAG 48
# 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
int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data,
int datalen);
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(const char *host_port);
BIO *BIO_new_accept(const 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
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