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-rw-r--r--include/openssl/bio.h1730
1 files changed, 883 insertions, 847 deletions
diff --git a/include/openssl/bio.h b/include/openssl/bio.h
index 14afb42659..6e2293bc66 100644
--- a/include/openssl/bio.h
+++ b/include/openssl/bio.h
@@ -1,847 +1,883 @@
-/* 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 */
-
-#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)
-
-/* 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_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
+/* 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_ctrl(b,BIO_C_GET_CONNECT,3,0,NULL)
+
+# define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
+
+/* BIO_s_accept() */
+# 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)
+
+/* BIO_s_accept() and BIO_s_connect() */
+# 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)
+
+/* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */
+# 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)
+
+/* BIO_s_file() */
+# 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)
+
+/* BIO_s_fd() and BIO_s_file() */
+# 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
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-19 08:34:02 +0000