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 */
177 #define BIO_CTRL_DGRAM_SET_DONT_FRAG 48
179 #define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD 49
181 #ifndef OPENSSL_NO_SCTP
183 #define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE 50
184 #define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY 51
185 #define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY 52
186 #define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD 53
187 #define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO 60
188 #define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO 61
189 #define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO 62
190 #define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO 63
191 #define BIO_CTRL_DGRAM_SCTP_GET_PRINFO 64
192 #define BIO_CTRL_DGRAM_SCTP_SET_PRINFO 65
193 #define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN 70
197 #define BIO_FP_READ 0x02
198 #define BIO_FP_WRITE 0x04
199 #define BIO_FP_APPEND 0x08
200 #define BIO_FP_TEXT 0x10
202 #define BIO_FLAGS_READ 0x01
203 #define BIO_FLAGS_WRITE 0x02
204 #define BIO_FLAGS_IO_SPECIAL 0x04
205 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
206 #define BIO_FLAGS_SHOULD_RETRY 0x08
207 #ifndef BIO_FLAGS_UPLINK
208 /* "UPLINK" flag denotes file descriptors provided by application.
209 It defaults to 0, as most platforms don't require UPLINK interface. */
210 #define BIO_FLAGS_UPLINK 0
213 /* Used in BIO_gethostbyname() */
214 #define BIO_GHBN_CTRL_HITS 1
215 #define BIO_GHBN_CTRL_MISSES 2
216 #define BIO_GHBN_CTRL_CACHE_SIZE 3
217 #define BIO_GHBN_CTRL_GET_ENTRY 4
218 #define BIO_GHBN_CTRL_FLUSH 5
220 /* Mostly used in the SSL BIO */
223 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
224 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
225 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40
228 #define BIO_FLAGS_BASE64_NO_NL 0x100
230 /* This is used with memory BIOs: it means we shouldn't free up or change the
233 #define BIO_FLAGS_MEM_RDONLY 0x200
235 typedef struct bio_st BIO;
237 void BIO_set_flags(BIO *b, int flags);
238 int BIO_test_flags(const BIO *b, int flags);
239 void BIO_clear_flags(BIO *b, int flags);
241 #define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
242 #define BIO_set_retry_special(b) \
243 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
244 #define BIO_set_retry_read(b) \
245 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
246 #define BIO_set_retry_write(b) \
247 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
249 /* These are normally used internally in BIOs */
250 #define BIO_clear_retry_flags(b) \
251 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
252 #define BIO_get_retry_flags(b) \
253 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
255 /* These should be used by the application to tell why we should retry */
256 #define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ)
257 #define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE)
258 #define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
259 #define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS)
260 #define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
262 /* The next three are used in conjunction with the
263 * BIO_should_io_special() condition. After this returns true,
264 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
265 * stack and return the 'reason' for the special and the offending BIO.
266 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
267 /* Returned from the SSL bio when the certificate retrieval code had an error */
268 #define BIO_RR_SSL_X509_LOOKUP 0x01
269 /* Returned from the connect BIO when a connect would have blocked */
270 #define BIO_RR_CONNECT 0x02
271 /* Returned from the accept BIO when an accept would have blocked */
272 #define BIO_RR_ACCEPT 0x03
274 /* These are passed by the BIO callback */
275 #define BIO_CB_FREE 0x01
276 #define BIO_CB_READ 0x02
277 #define BIO_CB_WRITE 0x03
278 #define BIO_CB_PUTS 0x04
279 #define BIO_CB_GETS 0x05
280 #define BIO_CB_CTRL 0x06
282 /* The callback is called before and after the underling operation,
283 * The BIO_CB_RETURN flag indicates if it is after the call */
284 #define BIO_CB_RETURN 0x80
285 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
286 #define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
287 #define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
289 long (*BIO_get_callback(const BIO *b)) (struct bio_st *,int,const char *,int, long,long);
290 void BIO_set_callback(BIO *b,
291 long (*callback)(struct bio_st *,int,const char *,int, long,long));
292 char *BIO_get_callback_arg(const BIO *b);
293 void BIO_set_callback_arg(BIO *b, char *arg);
295 const char * BIO_method_name(const BIO *b);
296 int BIO_method_type(const BIO *b);
298 typedef void bio_info_cb(struct bio_st *, int, const char *, int, long, long);
300 typedef struct bio_method_st
304 int (*bwrite)(BIO *, const char *, int);
305 int (*bread)(BIO *, char *, int);
306 int (*bputs)(BIO *, const char *);
307 int (*bgets)(BIO *, char *, int);
308 long (*ctrl)(BIO *, int, long, void *);
309 int (*create)(BIO *);
310 int (*destroy)(BIO *);
311 long (*callback_ctrl)(BIO *, int, bio_info_cb *);
317 /* bio, mode, argp, argi, argl, ret */
318 long (*callback)(struct bio_st *,int,const char *,int, long,long);
319 char *cb_arg; /* first argument for the callback */
323 int flags; /* extra storage */
327 struct bio_st *next_bio; /* used by filter BIOs */
328 struct bio_st *prev_bio; /* used by filter BIOs */
330 unsigned long num_read;
331 unsigned long num_write;
333 CRYPTO_EX_DATA ex_data;
336 DECLARE_STACK_OF(BIO)
338 typedef struct bio_f_buffer_ctx_struct
341 * Buffers are setup like this:
343 * <---------------------- size ----------------------->
344 * +---------------------------------------------------+
345 * | consumed | remaining | free space |
346 * +---------------------------------------------------+
347 * <-- off --><------- len ------->
350 /* BIO *bio; */ /* this is now in the BIO struct */
351 int ibuf_size; /* how big is the input buffer */
352 int obuf_size; /* how big is the output buffer */
354 char *ibuf; /* the char array */
355 int ibuf_len; /* how many bytes are in it */
356 int ibuf_off; /* write/read offset */
358 char *obuf; /* the char array */
359 int obuf_len; /* how many bytes are in it */
360 int obuf_off; /* write/read offset */
363 /* Prefix and suffix callback in ASN1 BIO */
364 typedef int asn1_ps_func(BIO *b, unsigned char **pbuf, int *plen, void *parg);
366 #ifndef OPENSSL_NO_SCTP
367 /* SCTP parameter structs */
368 struct bio_dgram_sctp_sndinfo
373 uint32_t snd_context;
376 struct bio_dgram_sctp_rcvinfo
384 uint32_t rcv_context;
387 struct bio_dgram_sctp_prinfo
394 /* connect BIO stuff */
395 #define BIO_CONN_S_BEFORE 1
396 #define BIO_CONN_S_GET_IP 2
397 #define BIO_CONN_S_GET_PORT 3
398 #define BIO_CONN_S_CREATE_SOCKET 4
399 #define BIO_CONN_S_CONNECT 5
400 #define BIO_CONN_S_OK 6
401 #define BIO_CONN_S_BLOCKED_CONNECT 7
402 #define BIO_CONN_S_NBIO 8
403 /*#define BIO_CONN_get_param_hostname BIO_ctrl */
405 #define BIO_C_SET_CONNECT 100
406 #define BIO_C_DO_STATE_MACHINE 101
407 #define BIO_C_SET_NBIO 102
408 #define BIO_C_SET_PROXY_PARAM 103
409 #define BIO_C_SET_FD 104
410 #define BIO_C_GET_FD 105
411 #define BIO_C_SET_FILE_PTR 106
412 #define BIO_C_GET_FILE_PTR 107
413 #define BIO_C_SET_FILENAME 108
414 #define BIO_C_SET_SSL 109
415 #define BIO_C_GET_SSL 110
416 #define BIO_C_SET_MD 111
417 #define BIO_C_GET_MD 112
418 #define BIO_C_GET_CIPHER_STATUS 113
419 #define BIO_C_SET_BUF_MEM 114
420 #define BIO_C_GET_BUF_MEM_PTR 115
421 #define BIO_C_GET_BUFF_NUM_LINES 116
422 #define BIO_C_SET_BUFF_SIZE 117
423 #define BIO_C_SET_ACCEPT 118
424 #define BIO_C_SSL_MODE 119
425 #define BIO_C_GET_MD_CTX 120
426 #define BIO_C_GET_PROXY_PARAM 121
427 #define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */
428 #define BIO_C_GET_CONNECT 123
429 #define BIO_C_GET_ACCEPT 124
430 #define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
431 #define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
432 #define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
433 #define BIO_C_FILE_SEEK 128
434 #define BIO_C_GET_CIPHER_CTX 129
435 #define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/
436 #define BIO_C_SET_BIND_MODE 131
437 #define BIO_C_GET_BIND_MODE 132
438 #define BIO_C_FILE_TELL 133
439 #define BIO_C_GET_SOCKS 134
440 #define BIO_C_SET_SOCKS 135
442 #define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
443 #define BIO_C_GET_WRITE_BUF_SIZE 137
444 #define BIO_C_MAKE_BIO_PAIR 138
445 #define BIO_C_DESTROY_BIO_PAIR 139
446 #define BIO_C_GET_WRITE_GUARANTEE 140
447 #define BIO_C_GET_READ_REQUEST 141
448 #define BIO_C_SHUTDOWN_WR 142
449 #define BIO_C_NREAD0 143
450 #define BIO_C_NREAD 144
451 #define BIO_C_NWRITE0 145
452 #define BIO_C_NWRITE 146
453 #define BIO_C_RESET_READ_REQUEST 147
454 #define BIO_C_SET_MD_CTX 148
456 #define BIO_C_SET_PREFIX 149
457 #define BIO_C_GET_PREFIX 150
458 #define BIO_C_SET_SUFFIX 151
459 #define BIO_C_GET_SUFFIX 152
461 #define BIO_C_SET_EX_ARG 153
462 #define BIO_C_GET_EX_ARG 154
464 #define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg)
465 #define BIO_get_app_data(s) BIO_get_ex_data(s,0)
467 /* BIO_s_connect() and BIO_s_socks4a_connect() */
468 #define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
469 #define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
470 #define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
471 #define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
472 #define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
473 #define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
474 #define BIO_get_conn_ip(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)
475 #define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3,0)
478 #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
480 /* BIO_s_accept_socket() */
481 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
482 #define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
483 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
484 #define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?(void *)"a":NULL)
485 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
487 #define BIO_BIND_NORMAL 0
488 #define BIO_BIND_REUSEADDR_IF_UNUSED 1
489 #define BIO_BIND_REUSEADDR 2
490 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
491 #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
493 #define BIO_do_connect(b) BIO_do_handshake(b)
494 #define BIO_do_accept(b) BIO_do_handshake(b)
495 #define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
497 /* BIO_s_proxy_client() */
498 #define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
499 #define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
500 /* BIO_set_nbio(b,n) */
501 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
502 /* BIO *BIO_get_filter_bio(BIO *bio); */
503 #define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)()))
504 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
505 #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
507 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
508 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
509 #define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
510 #define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
512 #define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
513 #define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
515 #define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
516 #define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
518 #define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
519 #define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
521 /* name is cast to lose const, but might be better to route through a function
522 so we can do it safely */
524 /* If you are wondering why this isn't defined, its because CONST_STRICT is
525 * purely a compile-time kludge to allow const to be checked.
527 int BIO_read_filename(BIO *b,const char *name);
529 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
530 BIO_CLOSE|BIO_FP_READ,(char *)name)
532 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
533 BIO_CLOSE|BIO_FP_WRITE,name)
534 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
535 BIO_CLOSE|BIO_FP_APPEND,name)
536 #define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
537 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
539 /* WARNING WARNING, this ups the reference count on the read bio of the
540 * SSL structure. This is because the ssl read BIO is now pointed to by
541 * the next_bio field in the bio. So when you free the BIO, make sure
542 * you are doing a BIO_free_all() to catch the underlying BIO. */
543 #define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
544 #define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
545 #define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
546 #define BIO_set_ssl_renegotiate_bytes(b,num) \
547 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
548 #define BIO_get_num_renegotiates(b) \
549 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL);
550 #define BIO_set_ssl_renegotiate_timeout(b,seconds) \
551 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
553 /* defined in evp.h */
554 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
556 #define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
557 #define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
558 #define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
559 #define BIO_set_mem_eof_return(b,v) \
560 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
562 /* For the BIO_f_buffer() type */
563 #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
564 #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
565 #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
566 #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
567 #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
569 /* Don't use the next one unless you know what you are doing :-) */
570 #define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
572 #define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
573 #define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
574 #define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
575 #define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
576 #define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
577 #define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
578 /* ...pending macros have inappropriate return type */
579 size_t BIO_ctrl_pending(BIO *b);
580 size_t BIO_ctrl_wpending(BIO *b);
581 #define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
582 #define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
584 #define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
586 /* For the BIO_f_buffer() type */
587 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
589 /* For BIO_s_bio() */
590 #define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
591 #define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
592 #define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
593 #define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
594 #define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
595 /* macros with inappropriate type -- but ...pending macros use int too: */
596 #define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
597 #define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
598 size_t BIO_ctrl_get_write_guarantee(BIO *b);
599 size_t BIO_ctrl_get_read_request(BIO *b);
600 int BIO_ctrl_reset_read_request(BIO *b);
602 /* ctrl macros for dgram */
603 #define BIO_ctrl_dgram_connect(b,peer) \
604 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer)
605 #define BIO_ctrl_set_connected(b, state, peer) \
606 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (char *)peer)
607 #define BIO_dgram_recv_timedout(b) \
608 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
609 #define BIO_dgram_send_timedout(b) \
610 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
611 #define BIO_dgram_get_peer(b,peer) \
612 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer)
613 #define BIO_dgram_set_peer(b,peer) \
614 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)
615 #define BIO_dgram_get_mtu_overhead(b) \
616 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL)
618 /* These two aren't currently implemented */
619 /* int BIO_get_ex_num(BIO *bio); */
620 /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
621 int BIO_set_ex_data(BIO *bio,int idx,void *data);
622 void *BIO_get_ex_data(BIO *bio,int idx);
623 int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
624 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
625 unsigned long BIO_number_read(BIO *bio);
626 unsigned long BIO_number_written(BIO *bio);
628 /* For BIO_f_asn1() */
629 int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,
630 asn1_ps_func *prefix_free);
631 int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,
632 asn1_ps_func **pprefix_free);
633 int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,
634 asn1_ps_func *suffix_free);
635 int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,
636 asn1_ps_func **psuffix_free);
638 # ifndef OPENSSL_NO_FP_API
639 BIO_METHOD *BIO_s_file(void );
640 BIO *BIO_new_file(const char *filename, const char *mode);
641 BIO *BIO_new_fp(FILE *stream, int close_flag);
642 # define BIO_s_file_internal BIO_s_file
644 BIO * BIO_new(BIO_METHOD *type);
645 int BIO_set(BIO *a,BIO_METHOD *type);
646 int BIO_free(BIO *a);
647 void BIO_vfree(BIO *a);
648 int BIO_read(BIO *b, void *data, int len);
649 int BIO_gets(BIO *bp,char *buf, int size);
650 int BIO_write(BIO *b, const void *data, int len);
651 int BIO_puts(BIO *bp,const char *buf);
652 int BIO_indent(BIO *b,int indent,int max);
653 long BIO_ctrl(BIO *bp,int cmd,long larg,void *parg);
654 long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long));
655 char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg);
656 long BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg);
657 BIO * BIO_push(BIO *b,BIO *append);
658 BIO * BIO_pop(BIO *b);
659 void BIO_free_all(BIO *a);
660 BIO * BIO_find_type(BIO *b,int bio_type);
661 BIO * BIO_next(BIO *b);
662 BIO * BIO_get_retry_BIO(BIO *bio, int *reason);
663 int BIO_get_retry_reason(BIO *bio);
664 BIO * BIO_dup_chain(BIO *in);
666 int BIO_nread0(BIO *bio, char **buf);
667 int BIO_nread(BIO *bio, char **buf, int num);
668 int BIO_nwrite0(BIO *bio, char **buf);
669 int BIO_nwrite(BIO *bio, char **buf, int num);
671 long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
674 BIO_METHOD *BIO_s_mem(void);
675 BIO *BIO_new_mem_buf(void *buf, int len);
676 BIO_METHOD *BIO_s_socket(void);
677 BIO_METHOD *BIO_s_connect(void);
678 BIO_METHOD *BIO_s_accept(void);
679 BIO_METHOD *BIO_s_fd(void);
680 #ifndef OPENSSL_SYS_OS2
681 BIO_METHOD *BIO_s_log(void);
683 BIO_METHOD *BIO_s_bio(void);
684 BIO_METHOD *BIO_s_null(void);
685 BIO_METHOD *BIO_f_null(void);
686 BIO_METHOD *BIO_f_buffer(void);
687 #ifdef OPENSSL_SYS_VMS
688 BIO_METHOD *BIO_f_linebuffer(void);
690 BIO_METHOD *BIO_f_nbio_test(void);
691 #ifndef OPENSSL_NO_DGRAM
692 BIO_METHOD *BIO_s_datagram(void);
693 #ifndef OPENSSL_NO_SCTP
694 BIO_METHOD *BIO_s_datagram_sctp(void);
698 /* BIO_METHOD *BIO_f_ber(void); */
700 int BIO_sock_should_retry(int i);
701 int BIO_sock_non_fatal_error(int error);
702 int BIO_dgram_non_fatal_error(int error);
704 int BIO_fd_should_retry(int i);
705 int BIO_fd_non_fatal_error(int error);
706 int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u),
707 void *u, const char *s, int len);
708 int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
709 void *u, const char *s, int len, int indent);
710 int BIO_dump(BIO *b,const char *bytes,int len);
711 int BIO_dump_indent(BIO *b,const char *bytes,int len,int indent);
712 #ifndef OPENSSL_NO_FP_API
713 int BIO_dump_fp(FILE *fp, const char *s, int len);
714 int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent);
716 int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data,
719 struct hostent *BIO_gethostbyname(const char *name);
721 * We might want a thread-safe interface too:
722 * struct hostent *BIO_gethostbyname_r(const char *name,
723 * struct hostent *result, void *buffer, size_t buflen);
724 * or something similar (caller allocates a struct hostent,
725 * pointed to by "result", and additional buffer space for the various
726 * substructures; if the buffer does not suffice, NULL is returned
727 * and an appropriate error code is set).
729 int BIO_sock_error(int sock);
730 int BIO_socket_ioctl(int fd, long type, void *arg);
731 int BIO_socket_nbio(int fd,int mode);
732 int BIO_get_port(const char *str, unsigned short *port_ptr);
733 int BIO_get_host_ip(const char *str, unsigned char *ip);
734 int BIO_get_accept_socket(char *host_port,int mode);
735 int BIO_accept(int sock,char **ip_port);
736 int BIO_sock_init(void );
737 void BIO_sock_cleanup(void);
738 int BIO_set_tcp_ndelay(int sock,int turn_on);
740 BIO *BIO_new_socket(int sock, int close_flag);
741 BIO *BIO_new_dgram(int fd, int close_flag);
742 #ifndef OPENSSL_NO_SCTP
743 BIO *BIO_new_dgram_sctp(int fd, int close_flag);
744 int BIO_dgram_is_sctp(BIO *bio);
745 int BIO_dgram_sctp_notification_cb(BIO *b,
746 void (*handle_notifications)(BIO *bio, void *context, void *buf),
748 int BIO_dgram_sctp_wait_for_dry(BIO *b);
749 int BIO_dgram_sctp_msg_waiting(BIO *b);
751 BIO *BIO_new_fd(int fd, int close_flag);
752 BIO *BIO_new_connect(const char *host_port);
753 BIO *BIO_new_accept(const char *host_port);
755 int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
756 BIO **bio2, size_t writebuf2);
757 /* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
758 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL.
759 * Size 0 uses default value.
762 void BIO_copy_next_retry(BIO *b);
764 /*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/
767 # define __bio_h__attr__ __attribute__
769 # define __bio_h__attr__(x)
771 int BIO_printf(BIO *bio, const char *format, ...)
772 __bio_h__attr__((__format__(__printf__,2,3)));
773 int BIO_vprintf(BIO *bio, const char *format, va_list args)
774 __bio_h__attr__((__format__(__printf__,2,0)));
775 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
776 __bio_h__attr__((__format__(__printf__,3,4)));
777 int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
778 __bio_h__attr__((__format__(__printf__,3,0)));
779 #undef __bio_h__attr__
781 /* BEGIN ERROR CODES */
782 /* The following lines are auto generated by the script mkerr.pl. Any changes
783 * made after this point may be overwritten when the script is next run.
785 void ERR_load_BIO_strings(void);
787 /* Error codes for the BIO functions. */
789 /* Function codes. */
790 #define BIO_F_ACPT_STATE 100
791 #define BIO_F_BIO_ACCEPT 101
792 #define BIO_F_BIO_BER_GET_HEADER 102
793 #define BIO_F_BIO_CALLBACK_CTRL 131
794 #define BIO_F_BIO_CTRL 103
795 #define BIO_F_BIO_GETHOSTBYNAME 120
796 #define BIO_F_BIO_GETS 104
797 #define BIO_F_BIO_GET_ACCEPT_SOCKET 105
798 #define BIO_F_BIO_GET_HOST_IP 106
799 #define BIO_F_BIO_GET_PORT 107
800 #define BIO_F_BIO_MAKE_PAIR 121
801 #define BIO_F_BIO_NEW 108
802 #define BIO_F_BIO_NEW_FILE 109
803 #define BIO_F_BIO_NEW_MEM_BUF 126
804 #define BIO_F_BIO_NREAD 123
805 #define BIO_F_BIO_NREAD0 124
806 #define BIO_F_BIO_NWRITE 125
807 #define BIO_F_BIO_NWRITE0 122
808 #define BIO_F_BIO_PUTS 110
809 #define BIO_F_BIO_READ 111
810 #define BIO_F_BIO_SOCK_INIT 112
811 #define BIO_F_BIO_WRITE 113
812 #define BIO_F_BUFFER_CTRL 114
813 #define BIO_F_CONN_CTRL 127
814 #define BIO_F_CONN_STATE 115
815 #define BIO_F_DGRAM_SCTP_READ 132
816 #define BIO_F_FILE_CTRL 116
817 #define BIO_F_FILE_READ 130
818 #define BIO_F_LINEBUFFER_CTRL 129
819 #define BIO_F_MEM_READ 128
820 #define BIO_F_MEM_WRITE 117
821 #define BIO_F_SSL_NEW 118
822 #define BIO_F_WSASTARTUP 119
825 #define BIO_R_ACCEPT_ERROR 100
826 #define BIO_R_BAD_FOPEN_MODE 101
827 #define BIO_R_BAD_HOSTNAME_LOOKUP 102
828 #define BIO_R_BROKEN_PIPE 124
829 #define BIO_R_CONNECT_ERROR 103
830 #define BIO_R_EOF_ON_MEMORY_BIO 127
831 #define BIO_R_ERROR_SETTING_NBIO 104
832 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
833 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106
834 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
835 #define BIO_R_INVALID_ARGUMENT 125
836 #define BIO_R_INVALID_IP_ADDRESS 108
837 #define BIO_R_IN_USE 123
838 #define BIO_R_KEEPALIVE 109
839 #define BIO_R_NBIO_CONNECT_ERROR 110
840 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
841 #define BIO_R_NO_HOSTNAME_SPECIFIED 112
842 #define BIO_R_NO_PORT_DEFINED 113
843 #define BIO_R_NO_PORT_SPECIFIED 114
844 #define BIO_R_NO_SUCH_FILE 128
845 #define BIO_R_NULL_PARAMETER 115
846 #define BIO_R_TAG_MISMATCH 116
847 #define BIO_R_UNABLE_TO_BIND_SOCKET 117
848 #define BIO_R_UNABLE_TO_CREATE_SOCKET 118
849 #define BIO_R_UNABLE_TO_LISTEN_SOCKET 119
850 #define BIO_R_UNINITIALIZED 120
851 #define BIO_R_UNSUPPORTED_METHOD 121
852 #define BIO_R_WRITE_TO_READ_ONLY_BIO 126
853 #define BIO_R_WSASTARTUP 122
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