2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
62 #include <openssl/e_os2.h>
64 #ifndef OPENSSL_NO_FP_API
69 #include <openssl/crypto.h>
71 #ifndef OPENSSL_NO_SCTP
72 # ifndef OPENSSL_SYS_VMS
75 # include <inttypes.h>
83 /* These are the 'types' of BIOs */
84 #define BIO_TYPE_NONE 0
85 #define BIO_TYPE_MEM (1|0x0400)
86 #define BIO_TYPE_FILE (2|0x0400)
88 #define BIO_TYPE_FD (4|0x0400|0x0100)
89 #define BIO_TYPE_SOCKET (5|0x0400|0x0100)
90 #define BIO_TYPE_NULL (6|0x0400)
91 #define BIO_TYPE_SSL (7|0x0200)
92 #define BIO_TYPE_MD (8|0x0200) /* passive filter */
93 #define BIO_TYPE_BUFFER (9|0x0200) /* filter */
94 #define BIO_TYPE_CIPHER (10|0x0200) /* filter */
95 #define BIO_TYPE_BASE64 (11|0x0200) /* filter */
96 #define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */
97 #define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */
98 #define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */
99 #define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */
100 #define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */
101 #define BIO_TYPE_NULL_FILTER (17|0x0200)
102 #define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */
103 #define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */
104 #define BIO_TYPE_LINEBUFFER (20|0x0200) /* filter */
105 #define BIO_TYPE_DGRAM (21|0x0400|0x0100)
106 #ifndef OPENSSL_NO_SCTP
107 #define BIO_TYPE_DGRAM_SCTP (24|0x0400|0x0100)
109 #define BIO_TYPE_ASN1 (22|0x0200) /* filter */
110 #define BIO_TYPE_COMP (23|0x0200) /* filter */
112 #define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
113 #define BIO_TYPE_FILTER 0x0200
114 #define BIO_TYPE_SOURCE_SINK 0x0400
116 /* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
117 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
118 #define BIO_NOCLOSE 0x00
119 #define BIO_CLOSE 0x01
121 /* These are used in the following macros and are passed to
123 #define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */
124 #define BIO_CTRL_EOF 2 /* opt - are we at the eof */
125 #define BIO_CTRL_INFO 3 /* opt - extra tit-bits */
126 #define BIO_CTRL_SET 4 /* man - set the 'IO' type */
127 #define BIO_CTRL_GET 5 /* man - get the 'IO' type */
128 #define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */
129 #define BIO_CTRL_POP 7 /* opt - internal, used to signify change */
130 #define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */
131 #define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */
132 #define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */
133 #define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */
134 #define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */
135 #define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */
136 /* callback is int cb(BIO *bio,state,ret); */
137 #define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */
138 #define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */
140 #define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */
142 /* dgram BIO stuff */
143 #define BIO_CTRL_DGRAM_CONNECT 31 /* BIO dgram special */
144 #define BIO_CTRL_DGRAM_SET_CONNECTED 32 /* allow for an externally
145 * connected socket to be
147 #define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33 /* setsockopt, essentially */
148 #define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34 /* getsockopt, essentially */
149 #define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35 /* setsockopt, essentially */
150 #define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36 /* getsockopt, essentially */
152 #define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37 /* flag whether the last */
153 #define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38 /* I/O operation tiemd out */
155 /* #ifdef IP_MTU_DISCOVER */
156 #define BIO_CTRL_DGRAM_MTU_DISCOVER 39 /* set DF bit on egress packets */
159 #define BIO_CTRL_DGRAM_QUERY_MTU 40 /* as kernel for current MTU */
160 #define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47
161 #define BIO_CTRL_DGRAM_GET_MTU 41 /* get cached value for MTU */
162 #define BIO_CTRL_DGRAM_SET_MTU 42 /* set cached value for
163 * MTU. want to use this
164 * if asking the kernel
167 #define BIO_CTRL_DGRAM_MTU_EXCEEDED 43 /* check whether the MTU
172 #define BIO_CTRL_DGRAM_GET_PEER 46
173 #define BIO_CTRL_DGRAM_SET_PEER 44 /* Destination for the data */
175 #define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45 /* Next DTLS handshake timeout to
176 * adjust socket timeouts */
178 #ifndef OPENSSL_NO_SCTP
180 #define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE 50
181 #define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY 51
182 #define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY 52
183 #define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD 53
184 #define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO 60
185 #define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO 61
186 #define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO 62
187 #define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO 63
188 #define BIO_CTRL_DGRAM_SCTP_GET_PRINFO 64
189 #define BIO_CTRL_DGRAM_SCTP_SET_PRINFO 65
190 #define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN 70
194 #define BIO_FP_READ 0x02
195 #define BIO_FP_WRITE 0x04
196 #define BIO_FP_APPEND 0x08
197 #define BIO_FP_TEXT 0x10
199 #define BIO_FLAGS_READ 0x01
200 #define BIO_FLAGS_WRITE 0x02
201 #define BIO_FLAGS_IO_SPECIAL 0x04
202 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
203 #define BIO_FLAGS_SHOULD_RETRY 0x08
204 #ifndef BIO_FLAGS_UPLINK
205 /* "UPLINK" flag denotes file descriptors provided by application.
206 It defaults to 0, as most platforms don't require UPLINK interface. */
207 #define BIO_FLAGS_UPLINK 0
210 /* Used in BIO_gethostbyname() */
211 #define BIO_GHBN_CTRL_HITS 1
212 #define BIO_GHBN_CTRL_MISSES 2
213 #define BIO_GHBN_CTRL_CACHE_SIZE 3
214 #define BIO_GHBN_CTRL_GET_ENTRY 4
215 #define BIO_GHBN_CTRL_FLUSH 5
217 /* Mostly used in the SSL BIO */
219 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
220 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
221 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40
224 #define BIO_FLAGS_BASE64_NO_NL 0x100
226 /* This is used with memory BIOs: it means we shouldn't free up or change the
229 #define BIO_FLAGS_MEM_RDONLY 0x200
231 typedef struct bio_st BIO
;
233 void BIO_set_flags(BIO
*b
, int flags
);
234 int BIO_test_flags(const BIO
*b
, int flags
);
235 void BIO_clear_flags(BIO
*b
, int flags
);
237 #define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
238 #define BIO_set_retry_special(b) \
239 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
240 #define BIO_set_retry_read(b) \
241 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
242 #define BIO_set_retry_write(b) \
243 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
245 /* These are normally used internally in BIOs */
246 #define BIO_clear_retry_flags(b) \
247 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
248 #define BIO_get_retry_flags(b) \
249 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
251 /* These should be used by the application to tell why we should retry */
252 #define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ)
253 #define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE)
254 #define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
255 #define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS)
256 #define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
258 /* The next three are used in conjunction with the
259 * BIO_should_io_special() condition. After this returns true,
260 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
261 * stack and return the 'reason' for the special and the offending BIO.
262 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
263 /* Returned from the SSL bio when the certificate retrieval code had an error */
264 #define BIO_RR_SSL_X509_LOOKUP 0x01
265 /* Returned from the connect BIO when a connect would have blocked */
266 #define BIO_RR_CONNECT 0x02
267 /* Returned from the accept BIO when an accept would have blocked */
268 #define BIO_RR_ACCEPT 0x03
270 /* These are passed by the BIO callback */
271 #define BIO_CB_FREE 0x01
272 #define BIO_CB_READ 0x02
273 #define BIO_CB_WRITE 0x03
274 #define BIO_CB_PUTS 0x04
275 #define BIO_CB_GETS 0x05
276 #define BIO_CB_CTRL 0x06
278 /* The callback is called before and after the underling operation,
279 * The BIO_CB_RETURN flag indicates if it is after the call */
280 #define BIO_CB_RETURN 0x80
281 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
282 #define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
283 #define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
285 long (*BIO_get_callback(const BIO
*b
)) (struct bio_st
*,int,const char *,int, long,long);
286 void BIO_set_callback(BIO
*b
,
287 long (*callback
)(struct bio_st
*,int,const char *,int, long,long));
288 char *BIO_get_callback_arg(const BIO
*b
);
289 void BIO_set_callback_arg(BIO
*b
, char *arg
);
291 const char * BIO_method_name(const BIO
*b
);
292 int BIO_method_type(const BIO
*b
);
294 typedef void bio_info_cb(struct bio_st
*, int, const char *, int, long, long);
296 typedef struct bio_method_st
300 int (*bwrite
)(BIO
*, const char *, int);
301 int (*bread
)(BIO
*, char *, int);
302 int (*bputs
)(BIO
*, const char *);
303 int (*bgets
)(BIO
*, char *, int);
304 long (*ctrl
)(BIO
*, int, long, void *);
305 int (*create
)(BIO
*);
306 int (*destroy
)(BIO
*);
307 long (*callback_ctrl
)(BIO
*, int, bio_info_cb
*);
313 /* bio, mode, argp, argi, argl, ret */
314 long (*callback
)(struct bio_st
*,int,const char *,int, long,long);
315 char *cb_arg
; /* first argument for the callback */
319 int flags
; /* extra storage */
323 struct bio_st
*next_bio
; /* used by filter BIOs */
324 struct bio_st
*prev_bio
; /* used by filter BIOs */
326 unsigned long num_read
;
327 unsigned long num_write
;
329 CRYPTO_EX_DATA ex_data
;
332 DECLARE_STACK_OF(BIO
)
334 typedef struct bio_f_buffer_ctx_struct
336 /* Buffers are setup like this:
338 * <---------------------- size ----------------------->
339 * +---------------------------------------------------+
340 * | consumed | remaining | free space |
341 * +---------------------------------------------------+
342 * <-- off --><------- len ------->
345 /* BIO *bio; */ /* this is now in the BIO struct */
346 int ibuf_size
; /* how big is the input buffer */
347 int obuf_size
; /* how big is the output buffer */
349 char *ibuf
; /* the char array */
350 int ibuf_len
; /* how many bytes are in it */
351 int ibuf_off
; /* write/read offset */
353 char *obuf
; /* the char array */
354 int obuf_len
; /* how many bytes are in it */
355 int obuf_off
; /* write/read offset */
358 /* Prefix and suffix callback in ASN1 BIO */
359 typedef int asn1_ps_func(BIO
*b
, unsigned char **pbuf
, int *plen
, void *parg
);
361 #ifndef OPENSSL_NO_SCTP
362 /* SCTP parameter structs */
363 struct bio_dgram_sctp_sndinfo
368 uint32_t snd_context
;
371 struct bio_dgram_sctp_rcvinfo
379 uint32_t rcv_context
;
382 struct bio_dgram_sctp_prinfo
389 /* connect BIO stuff */
390 #define BIO_CONN_S_BEFORE 1
391 #define BIO_CONN_S_GET_IP 2
392 #define BIO_CONN_S_GET_PORT 3
393 #define BIO_CONN_S_CREATE_SOCKET 4
394 #define BIO_CONN_S_CONNECT 5
395 #define BIO_CONN_S_OK 6
396 #define BIO_CONN_S_BLOCKED_CONNECT 7
397 #define BIO_CONN_S_NBIO 8
398 /*#define BIO_CONN_get_param_hostname BIO_ctrl */
400 #define BIO_C_SET_CONNECT 100
401 #define BIO_C_DO_STATE_MACHINE 101
402 #define BIO_C_SET_NBIO 102
403 #define BIO_C_SET_PROXY_PARAM 103
404 #define BIO_C_SET_FD 104
405 #define BIO_C_GET_FD 105
406 #define BIO_C_SET_FILE_PTR 106
407 #define BIO_C_GET_FILE_PTR 107
408 #define BIO_C_SET_FILENAME 108
409 #define BIO_C_SET_SSL 109
410 #define BIO_C_GET_SSL 110
411 #define BIO_C_SET_MD 111
412 #define BIO_C_GET_MD 112
413 #define BIO_C_GET_CIPHER_STATUS 113
414 #define BIO_C_SET_BUF_MEM 114
415 #define BIO_C_GET_BUF_MEM_PTR 115
416 #define BIO_C_GET_BUFF_NUM_LINES 116
417 #define BIO_C_SET_BUFF_SIZE 117
418 #define BIO_C_SET_ACCEPT 118
419 #define BIO_C_SSL_MODE 119
420 #define BIO_C_GET_MD_CTX 120
421 #define BIO_C_GET_PROXY_PARAM 121
422 #define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */
423 #define BIO_C_GET_CONNECT 123
424 #define BIO_C_GET_ACCEPT 124
425 #define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
426 #define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
427 #define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
428 #define BIO_C_FILE_SEEK 128
429 #define BIO_C_GET_CIPHER_CTX 129
430 #define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/
431 #define BIO_C_SET_BIND_MODE 131
432 #define BIO_C_GET_BIND_MODE 132
433 #define BIO_C_FILE_TELL 133
434 #define BIO_C_GET_SOCKS 134
435 #define BIO_C_SET_SOCKS 135
437 #define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
438 #define BIO_C_GET_WRITE_BUF_SIZE 137
439 #define BIO_C_MAKE_BIO_PAIR 138
440 #define BIO_C_DESTROY_BIO_PAIR 139
441 #define BIO_C_GET_WRITE_GUARANTEE 140
442 #define BIO_C_GET_READ_REQUEST 141
443 #define BIO_C_SHUTDOWN_WR 142
444 #define BIO_C_NREAD0 143
445 #define BIO_C_NREAD 144
446 #define BIO_C_NWRITE0 145
447 #define BIO_C_NWRITE 146
448 #define BIO_C_RESET_READ_REQUEST 147
449 #define BIO_C_SET_MD_CTX 148
451 #define BIO_C_SET_PREFIX 149
452 #define BIO_C_GET_PREFIX 150
453 #define BIO_C_SET_SUFFIX 151
454 #define BIO_C_GET_SUFFIX 152
456 #define BIO_C_SET_EX_ARG 153
457 #define BIO_C_GET_EX_ARG 154
459 #define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg)
460 #define BIO_get_app_data(s) BIO_get_ex_data(s,0)
462 /* BIO_s_connect() and BIO_s_socks4a_connect() */
463 #define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
464 #define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
465 #define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
466 #define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
467 #define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
468 #define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
469 #define BIO_get_conn_ip(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)
470 #define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3,0)
473 #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
475 /* BIO_s_accept_socket() */
476 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
477 #define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
478 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
479 #define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?(void *)"a":NULL)
480 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
482 #define BIO_BIND_NORMAL 0
483 #define BIO_BIND_REUSEADDR_IF_UNUSED 1
484 #define BIO_BIND_REUSEADDR 2
485 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
486 #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
488 #define BIO_do_connect(b) BIO_do_handshake(b)
489 #define BIO_do_accept(b) BIO_do_handshake(b)
490 #define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
492 /* BIO_s_proxy_client() */
493 #define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
494 #define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
495 /* BIO_set_nbio(b,n) */
496 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
497 /* BIO *BIO_get_filter_bio(BIO *bio); */
498 #define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)()))
499 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
500 #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
502 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
503 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
504 #define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
505 #define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
507 #define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
508 #define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
510 #define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
511 #define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
513 #define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
514 #define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
516 /* name is cast to lose const, but might be better to route through a function
517 so we can do it safely */
519 /* If you are wondering why this isn't defined, its because CONST_STRICT is
520 * purely a compile-time kludge to allow const to be checked.
522 int BIO_read_filename(BIO
*b
,const char *name
);
524 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
525 BIO_CLOSE|BIO_FP_READ,(char *)name)
527 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
528 BIO_CLOSE|BIO_FP_WRITE,name)
529 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
530 BIO_CLOSE|BIO_FP_APPEND,name)
531 #define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
532 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
534 /* WARNING WARNING, this ups the reference count on the read bio of the
535 * SSL structure. This is because the ssl read BIO is now pointed to by
536 * the next_bio field in the bio. So when you free the BIO, make sure
537 * you are doing a BIO_free_all() to catch the underlying BIO. */
538 #define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
539 #define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
540 #define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
541 #define BIO_set_ssl_renegotiate_bytes(b,num) \
542 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
543 #define BIO_get_num_renegotiates(b) \
544 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL);
545 #define BIO_set_ssl_renegotiate_timeout(b,seconds) \
546 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
548 /* defined in evp.h */
549 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
551 #define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
552 #define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
553 #define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
554 #define BIO_set_mem_eof_return(b,v) \
555 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
557 /* For the BIO_f_buffer() type */
558 #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
559 #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
560 #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
561 #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
562 #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
564 /* Don't use the next one unless you know what you are doing :-) */
565 #define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
567 #define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
568 #define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
569 #define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
570 #define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
571 #define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
572 #define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
573 /* ...pending macros have inappropriate return type */
574 size_t BIO_ctrl_pending(BIO
*b
);
575 size_t BIO_ctrl_wpending(BIO
*b
);
576 #define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
577 #define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
579 #define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
581 /* For the BIO_f_buffer() type */
582 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
584 /* For BIO_s_bio() */
585 #define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
586 #define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
587 #define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
588 #define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
589 #define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
590 /* macros with inappropriate type -- but ...pending macros use int too: */
591 #define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
592 #define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
593 size_t BIO_ctrl_get_write_guarantee(BIO
*b
);
594 size_t BIO_ctrl_get_read_request(BIO
*b
);
595 int BIO_ctrl_reset_read_request(BIO
*b
);
597 /* ctrl macros for dgram */
598 #define BIO_ctrl_dgram_connect(b,peer) \
599 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer)
600 #define BIO_ctrl_set_connected(b, state, peer) \
601 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (char *)peer)
602 #define BIO_dgram_recv_timedout(b) \
603 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
604 #define BIO_dgram_send_timedout(b) \
605 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
606 #define BIO_dgram_get_peer(b,peer) \
607 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer)
608 #define BIO_dgram_set_peer(b,peer) \
609 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)
611 /* These two aren't currently implemented */
612 /* int BIO_get_ex_num(BIO *bio); */
613 /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
614 int BIO_set_ex_data(BIO
*bio
,int idx
,void *data
);
615 void *BIO_get_ex_data(BIO
*bio
,int idx
);
616 int BIO_get_ex_new_index(long argl
, void *argp
, CRYPTO_EX_new
*new_func
,
617 CRYPTO_EX_dup
*dup_func
, CRYPTO_EX_free
*free_func
);
618 unsigned long BIO_number_read(BIO
*bio
);
619 unsigned long BIO_number_written(BIO
*bio
);
621 /* For BIO_f_asn1() */
622 int BIO_asn1_set_prefix(BIO
*b
, asn1_ps_func
*prefix
,
623 asn1_ps_func
*prefix_free
);
624 int BIO_asn1_get_prefix(BIO
*b
, asn1_ps_func
**pprefix
,
625 asn1_ps_func
**pprefix_free
);
626 int BIO_asn1_set_suffix(BIO
*b
, asn1_ps_func
*suffix
,
627 asn1_ps_func
*suffix_free
);
628 int BIO_asn1_get_suffix(BIO
*b
, asn1_ps_func
**psuffix
,
629 asn1_ps_func
**psuffix_free
);
631 # ifndef OPENSSL_NO_FP_API
632 BIO_METHOD
*BIO_s_file(void );
633 BIO
*BIO_new_file(const char *filename
, const char *mode
);
634 BIO
*BIO_new_fp(FILE *stream
, int close_flag
);
635 # define BIO_s_file_internal BIO_s_file
637 BIO
* BIO_new(BIO_METHOD
*type
);
638 int BIO_set(BIO
*a
,BIO_METHOD
*type
);
639 int BIO_free(BIO
*a
);
640 void BIO_vfree(BIO
*a
);
641 int BIO_read(BIO
*b
, void *data
, int len
);
642 int BIO_gets(BIO
*bp
,char *buf
, int size
);
643 int BIO_write(BIO
*b
, const void *data
, int len
);
644 int BIO_puts(BIO
*bp
,const char *buf
);
645 int BIO_indent(BIO
*b
,int indent
,int max
);
646 long BIO_ctrl(BIO
*bp
,int cmd
,long larg
,void *parg
);
647 long BIO_callback_ctrl(BIO
*b
, int cmd
, void (*fp
)(struct bio_st
*, int, const char *, int, long, long));
648 char * BIO_ptr_ctrl(BIO
*bp
,int cmd
,long larg
);
649 long BIO_int_ctrl(BIO
*bp
,int cmd
,long larg
,int iarg
);
650 BIO
* BIO_push(BIO
*b
,BIO
*append
);
651 BIO
* BIO_pop(BIO
*b
);
652 void BIO_free_all(BIO
*a
);
653 BIO
* BIO_find_type(BIO
*b
,int bio_type
);
654 BIO
* BIO_next(BIO
*b
);
655 BIO
* BIO_get_retry_BIO(BIO
*bio
, int *reason
);
656 int BIO_get_retry_reason(BIO
*bio
);
657 BIO
* BIO_dup_chain(BIO
*in
);
659 int BIO_nread0(BIO
*bio
, char **buf
);
660 int BIO_nread(BIO
*bio
, char **buf
, int num
);
661 int BIO_nwrite0(BIO
*bio
, char **buf
);
662 int BIO_nwrite(BIO
*bio
, char **buf
, int num
);
664 long BIO_debug_callback(BIO
*bio
,int cmd
,const char *argp
,int argi
,
667 BIO_METHOD
*BIO_s_mem(void);
668 BIO
*BIO_new_mem_buf(void *buf
, int len
);
669 BIO_METHOD
*BIO_s_socket(void);
670 BIO_METHOD
*BIO_s_connect(void);
671 BIO_METHOD
*BIO_s_accept(void);
672 BIO_METHOD
*BIO_s_fd(void);
673 #ifndef OPENSSL_SYS_OS2
674 BIO_METHOD
*BIO_s_log(void);
676 BIO_METHOD
*BIO_s_bio(void);
677 BIO_METHOD
*BIO_s_null(void);
678 BIO_METHOD
*BIO_f_null(void);
679 BIO_METHOD
*BIO_f_buffer(void);
680 #ifdef OPENSSL_SYS_VMS
681 BIO_METHOD
*BIO_f_linebuffer(void);
683 BIO_METHOD
*BIO_f_nbio_test(void);
684 #ifndef OPENSSL_NO_DGRAM
685 BIO_METHOD
*BIO_s_datagram(void);
686 #ifndef OPENSSL_NO_SCTP
687 BIO_METHOD
*BIO_s_datagram_sctp(void);
691 /* BIO_METHOD *BIO_f_ber(void); */
693 int BIO_sock_should_retry(int i
);
694 int BIO_sock_non_fatal_error(int error
);
695 int BIO_dgram_non_fatal_error(int error
);
697 int BIO_fd_should_retry(int i
);
698 int BIO_fd_non_fatal_error(int error
);
699 int BIO_dump_cb(int (*cb
)(const void *data
, size_t len
, void *u
),
700 void *u
, const char *s
, int len
);
701 int BIO_dump_indent_cb(int (*cb
)(const void *data
, size_t len
, void *u
),
702 void *u
, const char *s
, int len
, int indent
);
703 int BIO_dump(BIO
*b
,const char *bytes
,int len
);
704 int BIO_dump_indent(BIO
*b
,const char *bytes
,int len
,int indent
);
705 #ifndef OPENSSL_NO_FP_API
706 int BIO_dump_fp(FILE *fp
, const char *s
, int len
);
707 int BIO_dump_indent_fp(FILE *fp
, const char *s
, int len
, int indent
);
709 struct hostent
*BIO_gethostbyname(const char *name
);
710 /* We might want a thread-safe interface too:
711 * struct hostent *BIO_gethostbyname_r(const char *name,
712 * struct hostent *result, void *buffer, size_t buflen);
713 * or something similar (caller allocates a struct hostent,
714 * pointed to by "result", and additional buffer space for the various
715 * substructures; if the buffer does not suffice, NULL is returned
716 * and an appropriate error code is set).
718 int BIO_sock_error(int sock
);
719 int BIO_socket_ioctl(int fd
, long type
, void *arg
);
720 int BIO_socket_nbio(int fd
,int mode
);
721 int BIO_get_port(const char *str
, unsigned short *port_ptr
);
722 int BIO_get_host_ip(const char *str
, unsigned char *ip
);
723 int BIO_get_accept_socket(char *host_port
,int mode
);
724 int BIO_accept(int sock
,char **ip_port
);
725 int BIO_sock_init(void );
726 void BIO_sock_cleanup(void);
727 int BIO_set_tcp_ndelay(int sock
,int turn_on
);
729 BIO
*BIO_new_socket(int sock
, int close_flag
);
730 BIO
*BIO_new_dgram(int fd
, int close_flag
);
731 #ifndef OPENSSL_NO_SCTP
732 BIO
*BIO_new_dgram_sctp(int fd
, int close_flag
);
733 int BIO_dgram_is_sctp(BIO
*bio
);
734 int BIO_dgram_sctp_notification_cb(BIO
*b
,
735 void (*handle_notifications
)(BIO
*bio
, void *context
, void *buf
),
737 int BIO_dgram_sctp_wait_for_dry(BIO
*b
);
738 int BIO_dgram_sctp_msg_waiting(BIO
*b
);
740 BIO
*BIO_new_fd(int fd
, int close_flag
);
741 BIO
*BIO_new_connect(char *host_port
);
742 BIO
*BIO_new_accept(char *host_port
);
744 int BIO_new_bio_pair(BIO
**bio1
, size_t writebuf1
,
745 BIO
**bio2
, size_t writebuf2
);
746 /* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
747 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL.
748 * Size 0 uses default value.
751 void BIO_copy_next_retry(BIO
*b
);
753 /*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/
756 # define __bio_h__attr__ __attribute__
758 # define __bio_h__attr__(x)
760 int BIO_printf(BIO
*bio
, const char *format
, ...)
761 __bio_h__attr__((__format__(__printf__
,2,3)));
762 int BIO_vprintf(BIO
*bio
, const char *format
, va_list args
)
763 __bio_h__attr__((__format__(__printf__
,2,0)));
764 int BIO_snprintf(char *buf
, size_t n
, const char *format
, ...)
765 __bio_h__attr__((__format__(__printf__
,3,4)));
766 int BIO_vsnprintf(char *buf
, size_t n
, const char *format
, va_list args
)
767 __bio_h__attr__((__format__(__printf__
,3,0)));
768 #undef __bio_h__attr__
770 /* BEGIN ERROR CODES */
771 /* The following lines are auto generated by the script mkerr.pl. Any changes
772 * made after this point may be overwritten when the script is next run.
774 void ERR_load_BIO_strings(void);
776 /* Error codes for the BIO functions. */
778 /* Function codes. */
779 #define BIO_F_ACPT_STATE 100
780 #define BIO_F_BIO_ACCEPT 101
781 #define BIO_F_BIO_BER_GET_HEADER 102
782 #define BIO_F_BIO_CALLBACK_CTRL 131
783 #define BIO_F_BIO_CTRL 103
784 #define BIO_F_BIO_GETHOSTBYNAME 120
785 #define BIO_F_BIO_GETS 104
786 #define BIO_F_BIO_GET_ACCEPT_SOCKET 105
787 #define BIO_F_BIO_GET_HOST_IP 106
788 #define BIO_F_BIO_GET_PORT 107
789 #define BIO_F_BIO_MAKE_PAIR 121
790 #define BIO_F_BIO_NEW 108
791 #define BIO_F_BIO_NEW_FILE 109
792 #define BIO_F_BIO_NEW_MEM_BUF 126
793 #define BIO_F_BIO_NREAD 123
794 #define BIO_F_BIO_NREAD0 124
795 #define BIO_F_BIO_NWRITE 125
796 #define BIO_F_BIO_NWRITE0 122
797 #define BIO_F_BIO_PUTS 110
798 #define BIO_F_BIO_READ 111
799 #define BIO_F_BIO_SOCK_INIT 112
800 #define BIO_F_BIO_WRITE 113
801 #define BIO_F_BUFFER_CTRL 114
802 #define BIO_F_CONN_CTRL 127
803 #define BIO_F_CONN_STATE 115
804 #define BIO_F_DGRAM_SCTP_READ 132
805 #define BIO_F_FILE_CTRL 116
806 #define BIO_F_FILE_READ 130
807 #define BIO_F_LINEBUFFER_CTRL 129
808 #define BIO_F_MEM_READ 128
809 #define BIO_F_MEM_WRITE 117
810 #define BIO_F_SSL_NEW 118
811 #define BIO_F_WSASTARTUP 119
814 #define BIO_R_ACCEPT_ERROR 100
815 #define BIO_R_BAD_FOPEN_MODE 101
816 #define BIO_R_BAD_HOSTNAME_LOOKUP 102
817 #define BIO_R_BROKEN_PIPE 124
818 #define BIO_R_CONNECT_ERROR 103
819 #define BIO_R_EOF_ON_MEMORY_BIO 127
820 #define BIO_R_ERROR_SETTING_NBIO 104
821 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
822 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106
823 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
824 #define BIO_R_INVALID_ARGUMENT 125
825 #define BIO_R_INVALID_IP_ADDRESS 108
826 #define BIO_R_IN_USE 123
827 #define BIO_R_KEEPALIVE 109
828 #define BIO_R_NBIO_CONNECT_ERROR 110
829 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
830 #define BIO_R_NO_HOSTNAME_SPECIFIED 112
831 #define BIO_R_NO_PORT_DEFINED 113
832 #define BIO_R_NO_PORT_SPECIFIED 114
833 #define BIO_R_NO_SUCH_FILE 128
834 #define BIO_R_NULL_PARAMETER 115
835 #define BIO_R_TAG_MISMATCH 116
836 #define BIO_R_UNABLE_TO_BIND_SOCKET 117
837 #define BIO_R_UNABLE_TO_CREATE_SOCKET 118
838 #define BIO_R_UNABLE_TO_LISTEN_SOCKET 119
839 #define BIO_R_UNINITIALIZED 120
840 #define BIO_R_UNSUPPORTED_METHOD 121
841 #define BIO_R_WRITE_TO_READ_ONLY_BIO 126
842 #define BIO_R_WSASTARTUP 122