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>
75 /* These are the 'types' of BIOs */
76 #define BIO_TYPE_NONE 0
77 #define BIO_TYPE_MEM (1|0x0400)
78 #define BIO_TYPE_FILE (2|0x0400)
80 #define BIO_TYPE_FD (4|0x0400|0x0100)
81 #define BIO_TYPE_SOCKET (5|0x0400|0x0100)
82 #define BIO_TYPE_NULL (6|0x0400)
83 #define BIO_TYPE_SSL (7|0x0200)
84 #define BIO_TYPE_MD (8|0x0200) /* passive filter */
85 #define BIO_TYPE_BUFFER (9|0x0200) /* filter */
86 #define BIO_TYPE_CIPHER (10|0x0200) /* filter */
87 #define BIO_TYPE_BASE64 (11|0x0200) /* filter */
88 #define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */
89 #define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */
90 #define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */
91 #define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */
92 #define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */
93 #define BIO_TYPE_NULL_FILTER (17|0x0200)
94 #define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */
95 #define BIO_TYPE_BIO (19|0x0400) /* (half a) BIO pair */
96 #define BIO_TYPE_LINEBUFFER (20|0x0200) /* filter */
97 #define BIO_TYPE_DGRAM (21|0x0400|0x0100)
99 #define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
100 #define BIO_TYPE_FILTER 0x0200
101 #define BIO_TYPE_SOURCE_SINK 0x0400
103 /* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
104 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
105 #define BIO_NOCLOSE 0x00
106 #define BIO_CLOSE 0x01
108 /* These are used in the following macros and are passed to
110 #define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */
111 #define BIO_CTRL_EOF 2 /* opt - are we at the eof */
112 #define BIO_CTRL_INFO 3 /* opt - extra tit-bits */
113 #define BIO_CTRL_SET 4 /* man - set the 'IO' type */
114 #define BIO_CTRL_GET 5 /* man - get the 'IO' type */
115 #define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */
116 #define BIO_CTRL_POP 7 /* opt - internal, used to signify change */
117 #define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */
118 #define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */
119 #define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */
120 #define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */
121 #define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */
122 #define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */
123 /* callback is int cb(BIO *bio,state,ret); */
124 #define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */
125 #define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */
127 #define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */
129 /* dgram BIO stuff */
130 #define BIO_CTRL_DGRAM_CONNECT 31 /* BIO dgram special */
131 #define BIO_CTRL_DGRAM_SET_CONNECTED 32 /* allow for an externally
132 * connected socket to be
134 #define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33 /* setsockopt, essentially */
135 #define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34 /* getsockopt, essentially */
136 #define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35 /* setsockopt, essentially */
137 #define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36 /* getsockopt, essentially */
139 #define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37 /* flag whether the last */
140 #define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38 /* I/O operation tiemd out */
142 /* #ifdef IP_MTU_DISCOVER */
143 #define BIO_CTRL_DGRAM_MTU_DISCOVER 39 /* set DF bit on egress packets */
146 #define BIO_CTRL_DGRAM_QUERY_MTU 40 /* as kernel for current MTU */
147 #define BIO_CTRL_DGRAM_GET_MTU 41 /* get cached value for MTU */
148 #define BIO_CTRL_DGRAM_SET_MTU 42 /* set cached value for
149 * MTU. want to use this
150 * if asking the kernel
153 #define BIO_CTRL_DGRAM_MTU_EXCEEDED 43 /* check whether the MTU
158 #define BIO_CTRL_DGRAM_SET_PEER 44 /* Destination for the data */
162 #define BIO_FP_READ 0x02
163 #define BIO_FP_WRITE 0x04
164 #define BIO_FP_APPEND 0x08
165 #define BIO_FP_TEXT 0x10
167 #define BIO_FLAGS_READ 0x01
168 #define BIO_FLAGS_WRITE 0x02
169 #define BIO_FLAGS_IO_SPECIAL 0x04
170 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
171 #define BIO_FLAGS_SHOULD_RETRY 0x08
172 #ifndef BIO_FLAGS_UPLINK
173 /* "UPLINK" flag denotes file descriptors provided by application.
174 It defaults to 0, as most platforms don't require UPLINK interface. */
175 #define BIO_FLAGS_UPLINK 0
178 /* Used in BIO_gethostbyname() */
179 #define BIO_GHBN_CTRL_HITS 1
180 #define BIO_GHBN_CTRL_MISSES 2
181 #define BIO_GHBN_CTRL_CACHE_SIZE 3
182 #define BIO_GHBN_CTRL_GET_ENTRY 4
183 #define BIO_GHBN_CTRL_FLUSH 5
185 /* Mostly used in the SSL BIO */
187 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
188 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
189 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40
192 #define BIO_FLAGS_BASE64_NO_NL 0x100
194 /* This is used with memory BIOs: it means we shouldn't free up or change the
197 #define BIO_FLAGS_MEM_RDONLY 0x200
199 typedef struct bio_st BIO;
201 void BIO_set_flags(BIO *b, int flags);
202 int BIO_test_flags(const BIO *b, int flags);
203 void BIO_clear_flags(BIO *b, int flags);
205 #define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
206 #define BIO_set_retry_special(b) \
207 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
208 #define BIO_set_retry_read(b) \
209 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
210 #define BIO_set_retry_write(b) \
211 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
213 /* These are normally used internally in BIOs */
214 #define BIO_clear_retry_flags(b) \
215 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
216 #define BIO_get_retry_flags(b) \
217 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
219 /* These should be used by the application to tell why we should retry */
220 #define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ)
221 #define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE)
222 #define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
223 #define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS)
224 #define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
226 /* The next three are used in conjunction with the
227 * BIO_should_io_special() condition. After this returns true,
228 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
229 * stack and return the 'reason' for the special and the offending BIO.
230 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
231 /* Returned from the SSL bio when the certificate retrieval code had an error */
232 #define BIO_RR_SSL_X509_LOOKUP 0x01
233 /* Returned from the connect BIO when a connect would have blocked */
234 #define BIO_RR_CONNECT 0x02
235 /* Returned from the accept BIO when an accept would have blocked */
236 #define BIO_RR_ACCEPT 0x03
238 /* These are passed by the BIO callback */
239 #define BIO_CB_FREE 0x01
240 #define BIO_CB_READ 0x02
241 #define BIO_CB_WRITE 0x03
242 #define BIO_CB_PUTS 0x04
243 #define BIO_CB_GETS 0x05
244 #define BIO_CB_CTRL 0x06
246 /* The callback is called before and after the underling operation,
247 * The BIO_CB_RETURN flag indicates if it is after the call */
248 #define BIO_CB_RETURN 0x80
249 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
250 #define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
251 #define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
253 long (*BIO_get_callback(const BIO *b)) (struct bio_st *,int,const char *,int, long,long);
254 void BIO_set_callback(BIO *b,
255 long (*callback)(struct bio_st *,int,const char *,int, long,long));
256 char *BIO_get_callback_arg(const BIO *b);
257 void BIO_set_callback_arg(BIO *b, char *arg);
259 const char * BIO_method_name(const BIO *b);
260 int BIO_method_type(const BIO *b);
262 typedef void bio_info_cb(struct bio_st *, int, const char *, int, long, long);
264 #ifndef OPENSSL_SYS_WIN16
265 typedef struct bio_method_st
269 int (*bwrite)(BIO *, const char *, int);
270 int (*bread)(BIO *, char *, int);
271 int (*bputs)(BIO *, const char *);
272 int (*bgets)(BIO *, char *, int);
273 long (*ctrl)(BIO *, int, long, void *);
274 int (*create)(BIO *);
275 int (*destroy)(BIO *);
276 long (*callback_ctrl)(BIO *, int, bio_info_cb *);
279 typedef struct bio_method_st
283 int (_far *bwrite)();
288 int (_far *create)();
289 int (_far *destroy)();
290 long (_far *callback_ctrl)();
297 /* bio, mode, argp, argi, argl, ret */
298 long (*callback)(struct bio_st *,int,const char *,int, long,long);
299 char *cb_arg; /* first argument for the callback */
303 int flags; /* extra storage */
307 struct bio_st *next_bio; /* used by filter BIOs */
308 struct bio_st *prev_bio; /* used by filter BIOs */
310 unsigned long num_read;
311 unsigned long num_write;
313 CRYPTO_EX_DATA ex_data;
316 DECLARE_STACK_OF(BIO)
318 typedef struct bio_f_buffer_ctx_struct
320 /* BIO *bio; */ /* this is now in the BIO struct */
321 int ibuf_size; /* how big is the input buffer */
322 int obuf_size; /* how big is the output buffer */
324 char *ibuf; /* the char array */
325 int ibuf_len; /* how many bytes are in it */
326 int ibuf_off; /* write/read offset */
328 char *obuf; /* the char array */
329 int obuf_len; /* how many bytes are in it */
330 int obuf_off; /* write/read offset */
333 /* connect BIO stuff */
334 #define BIO_CONN_S_BEFORE 1
335 #define BIO_CONN_S_GET_IP 2
336 #define BIO_CONN_S_GET_PORT 3
337 #define BIO_CONN_S_CREATE_SOCKET 4
338 #define BIO_CONN_S_CONNECT 5
339 #define BIO_CONN_S_OK 6
340 #define BIO_CONN_S_BLOCKED_CONNECT 7
341 #define BIO_CONN_S_NBIO 8
342 /*#define BIO_CONN_get_param_hostname BIO_ctrl */
344 #define BIO_C_SET_CONNECT 100
345 #define BIO_C_DO_STATE_MACHINE 101
346 #define BIO_C_SET_NBIO 102
347 #define BIO_C_SET_PROXY_PARAM 103
348 #define BIO_C_SET_FD 104
349 #define BIO_C_GET_FD 105
350 #define BIO_C_SET_FILE_PTR 106
351 #define BIO_C_GET_FILE_PTR 107
352 #define BIO_C_SET_FILENAME 108
353 #define BIO_C_SET_SSL 109
354 #define BIO_C_GET_SSL 110
355 #define BIO_C_SET_MD 111
356 #define BIO_C_GET_MD 112
357 #define BIO_C_GET_CIPHER_STATUS 113
358 #define BIO_C_SET_BUF_MEM 114
359 #define BIO_C_GET_BUF_MEM_PTR 115
360 #define BIO_C_GET_BUFF_NUM_LINES 116
361 #define BIO_C_SET_BUFF_SIZE 117
362 #define BIO_C_SET_ACCEPT 118
363 #define BIO_C_SSL_MODE 119
364 #define BIO_C_GET_MD_CTX 120
365 #define BIO_C_GET_PROXY_PARAM 121
366 #define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */
367 #define BIO_C_GET_CONNECT 123
368 #define BIO_C_GET_ACCEPT 124
369 #define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
370 #define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
371 #define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
372 #define BIO_C_FILE_SEEK 128
373 #define BIO_C_GET_CIPHER_CTX 129
374 #define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/
375 #define BIO_C_SET_BIND_MODE 131
376 #define BIO_C_GET_BIND_MODE 132
377 #define BIO_C_FILE_TELL 133
378 #define BIO_C_GET_SOCKS 134
379 #define BIO_C_SET_SOCKS 135
381 #define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
382 #define BIO_C_GET_WRITE_BUF_SIZE 137
383 #define BIO_C_MAKE_BIO_PAIR 138
384 #define BIO_C_DESTROY_BIO_PAIR 139
385 #define BIO_C_GET_WRITE_GUARANTEE 140
386 #define BIO_C_GET_READ_REQUEST 141
387 #define BIO_C_SHUTDOWN_WR 142
388 #define BIO_C_NREAD0 143
389 #define BIO_C_NREAD 144
390 #define BIO_C_NWRITE0 145
391 #define BIO_C_NWRITE 146
392 #define BIO_C_RESET_READ_REQUEST 147
393 #define BIO_C_SET_MD_CTX 148
396 #define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg)
397 #define BIO_get_app_data(s) BIO_get_ex_data(s,0)
399 /* BIO_s_connect() and BIO_s_socks4a_connect() */
400 #define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
401 #define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
402 #define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
403 #define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
404 #define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
405 #define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
406 #define BIO_get_conn_ip(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2)
407 #define BIO_get_conn_int_port(b) BIO_int_ctrl(b,BIO_C_GET_CONNECT,3)
410 #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
412 /* BIO_s_accept_socket() */
413 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
414 #define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
415 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
416 #define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL)
417 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
419 #define BIO_BIND_NORMAL 0
420 #define BIO_BIND_REUSEADDR_IF_UNUSED 1
421 #define BIO_BIND_REUSEADDR 2
422 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
423 #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
425 #define BIO_do_connect(b) BIO_do_handshake(b)
426 #define BIO_do_accept(b) BIO_do_handshake(b)
427 #define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
429 /* BIO_s_proxy_client() */
430 #define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
431 #define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
432 /* BIO_set_nbio(b,n) */
433 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
434 /* BIO *BIO_get_filter_bio(BIO *bio); */
435 #define BIO_set_proxy_cb(b,cb) BIO_callback_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(void *(*cb)()))
436 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
437 #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
439 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
440 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
441 #define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
442 #define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
444 #define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
445 #define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
447 #define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
448 #define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
450 #define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
451 #define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
453 /* name is cast to lose const, but might be better to route through a function
454 so we can do it safely */
456 /* If you are wondering why this isn't defined, its because CONST_STRICT is
457 * purely a compile-time kludge to allow const to be checked.
459 int BIO_read_filename(BIO *b,const char *name);
461 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
462 BIO_CLOSE|BIO_FP_READ,(char *)name)
464 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
465 BIO_CLOSE|BIO_FP_WRITE,name)
466 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
467 BIO_CLOSE|BIO_FP_APPEND,name)
468 #define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
469 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
471 /* WARNING WARNING, this ups the reference count on the read bio of the
472 * SSL structure. This is because the ssl read BIO is now pointed to by
473 * the next_bio field in the bio. So when you free the BIO, make sure
474 * you are doing a BIO_free_all() to catch the underlying BIO. */
475 #define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
476 #define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
477 #define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
478 #define BIO_set_ssl_renegotiate_bytes(b,num) \
479 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
480 #define BIO_get_num_renegotiates(b) \
481 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL);
482 #define BIO_set_ssl_renegotiate_timeout(b,seconds) \
483 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
485 /* defined in evp.h */
486 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
488 #define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
489 #define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
490 #define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
491 #define BIO_set_mem_eof_return(b,v) \
492 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
494 /* For the BIO_f_buffer() type */
495 #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
496 #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
497 #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
498 #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
499 #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
501 /* Don't use the next one unless you know what you are doing :-) */
502 #define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
504 #define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
505 #define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
506 #define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
507 #define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
508 #define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
509 #define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
510 /* ...pending macros have inappropriate return type */
511 size_t BIO_ctrl_pending(BIO *b);
512 size_t BIO_ctrl_wpending(BIO *b);
513 #define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
514 #define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
516 #define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
518 /* For the BIO_f_buffer() type */
519 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
521 /* For BIO_s_bio() */
522 #define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
523 #define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
524 #define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
525 #define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
526 #define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
527 /* macros with inappropriate type -- but ...pending macros use int too: */
528 #define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
529 #define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
530 size_t BIO_ctrl_get_write_guarantee(BIO *b);
531 size_t BIO_ctrl_get_read_request(BIO *b);
532 int BIO_ctrl_reset_read_request(BIO *b);
534 /* ctrl macros for dgram */
535 #define BIO_ctrl_dgram_connect(b,peer) \
536 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer)
537 #define BIO_ctrl_set_connected(b, state, peer) \
538 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, state, (char *)peer)
539 #define BIO_dgram_recv_timedout(b) \
540 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
541 #define BIO_dgram_send_timedout(b) \
542 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
543 #define BIO_dgram_set_peer(b,peer) \
544 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)
546 /* These two aren't currently implemented */
547 /* int BIO_get_ex_num(BIO *bio); */
548 /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
549 int BIO_set_ex_data(BIO *bio,int idx,void *data);
550 void *BIO_get_ex_data(BIO *bio,int idx);
551 int BIO_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func,
552 CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func);
553 unsigned long BIO_number_read(BIO *bio);
554 unsigned long BIO_number_written(BIO *bio);
556 # ifndef OPENSSL_NO_FP_API
557 # if defined(OPENSSL_SYS_WIN16) && defined(_WINDLL)
558 BIO_METHOD *BIO_s_file_internal(void);
559 BIO *BIO_new_file_internal(char *filename, char *mode);
560 BIO *BIO_new_fp_internal(FILE *stream, int close_flag);
561 # define BIO_s_file BIO_s_file_internal
562 # define BIO_new_file BIO_new_file_internal
563 # define BIO_new_fp BIO_new_fp_internal
565 BIO_METHOD *BIO_s_file(void );
566 BIO *BIO_new_file(const char *filename, const char *mode);
567 BIO *BIO_new_fp(FILE *stream, int close_flag);
568 # define BIO_s_file_internal BIO_s_file
569 # define BIO_new_file_internal BIO_new_file
570 # define BIO_new_fp_internal BIO_s_file
573 BIO * BIO_new(BIO_METHOD *type);
574 int BIO_set(BIO *a,BIO_METHOD *type);
575 int BIO_free(BIO *a);
576 void BIO_vfree(BIO *a);
577 int BIO_read(BIO *b, void *data, int len);
578 int BIO_gets(BIO *bp,char *buf, int size);
579 int BIO_write(BIO *b, const void *data, int len);
580 int BIO_puts(BIO *bp,const char *buf);
581 int BIO_indent(BIO *b,int indent,int max);
582 long BIO_ctrl(BIO *bp,int cmd,long larg,void *parg);
583 long BIO_callback_ctrl(BIO *b, int cmd, void (*fp)(struct bio_st *, int, const char *, int, long, long));
584 char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg);
585 long BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg);
586 BIO * BIO_push(BIO *b,BIO *append);
587 BIO * BIO_pop(BIO *b);
588 void BIO_free_all(BIO *a);
589 BIO * BIO_find_type(BIO *b,int bio_type);
590 BIO * BIO_next(BIO *b);
591 BIO * BIO_get_retry_BIO(BIO *bio, int *reason);
592 int BIO_get_retry_reason(BIO *bio);
593 BIO * BIO_dup_chain(BIO *in);
595 int BIO_nread0(BIO *bio, char **buf);
596 int BIO_nread(BIO *bio, char **buf, int num);
597 int BIO_nwrite0(BIO *bio, char **buf);
598 int BIO_nwrite(BIO *bio, char **buf, int num);
600 #ifndef OPENSSL_SYS_WIN16
601 long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
604 long _far _loadds BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
608 BIO_METHOD *BIO_s_mem(void);
609 BIO *BIO_new_mem_buf(void *buf, int len);
610 BIO_METHOD *BIO_s_socket(void);
611 BIO_METHOD *BIO_s_connect(void);
612 BIO_METHOD *BIO_s_accept(void);
613 BIO_METHOD *BIO_s_fd(void);
614 #ifndef OPENSSL_SYS_OS2
615 BIO_METHOD *BIO_s_log(void);
617 BIO_METHOD *BIO_s_bio(void);
618 BIO_METHOD *BIO_s_null(void);
619 BIO_METHOD *BIO_f_null(void);
620 BIO_METHOD *BIO_f_buffer(void);
621 #ifdef OPENSSL_SYS_VMS
622 BIO_METHOD *BIO_f_linebuffer(void);
624 BIO_METHOD *BIO_f_nbio_test(void);
625 #ifndef OPENSSL_NO_DGRAM
626 BIO_METHOD *BIO_s_datagram(void);
629 /* BIO_METHOD *BIO_f_ber(void); */
631 int BIO_sock_should_retry(int i);
632 int BIO_sock_non_fatal_error(int error);
633 int BIO_dgram_non_fatal_error(int error);
635 int BIO_fd_should_retry(int i);
636 int BIO_fd_non_fatal_error(int error);
637 int BIO_dump_cb(int (*cb)(const void *data, size_t len, void *u),
638 void *u, const char *s, int len);
639 int BIO_dump_indent_cb(int (*cb)(const void *data, size_t len, void *u),
640 void *u, const char *s, int len, int indent);
641 int BIO_dump(BIO *b,const char *bytes,int len);
642 int BIO_dump_indent(BIO *b,const char *bytes,int len,int indent);
643 #ifndef OPENSSL_NO_FP_API
644 int BIO_dump_fp(FILE *fp, const char *s, int len);
645 int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent);
647 struct hostent *BIO_gethostbyname(const char *name);
648 /* We might want a thread-safe interface too:
649 * struct hostent *BIO_gethostbyname_r(const char *name,
650 * struct hostent *result, void *buffer, size_t buflen);
651 * or something similar (caller allocates a struct hostent,
652 * pointed to by "result", and additional buffer space for the various
653 * substructures; if the buffer does not suffice, NULL is returned
654 * and an appropriate error code is set).
656 int BIO_sock_error(int sock);
657 int BIO_socket_ioctl(int fd, long type, void *arg);
658 int BIO_socket_nbio(int fd,int mode);
659 int BIO_get_port(const char *str, unsigned short *port_ptr);
660 int BIO_get_host_ip(const char *str, unsigned char *ip);
661 int BIO_get_accept_socket(char *host_port,int mode);
662 int BIO_accept(int sock,char **ip_port);
663 int BIO_sock_init(void );
664 void BIO_sock_cleanup(void);
665 int BIO_set_tcp_ndelay(int sock,int turn_on);
667 BIO *BIO_new_socket(int sock, int close_flag);
668 BIO *BIO_new_dgram(int fd, int close_flag);
669 BIO *BIO_new_fd(int fd, int close_flag);
670 BIO *BIO_new_connect(char *host_port);
671 BIO *BIO_new_accept(char *host_port);
673 int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
674 BIO **bio2, size_t writebuf2);
675 /* If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
676 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL.
677 * Size 0 uses default value.
680 void BIO_copy_next_retry(BIO *b);
682 /*long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);*/
685 # define __bio_h__attr__ __attribute__
687 # define __bio_h__attr__(x)
689 int BIO_printf(BIO *bio, const char *format, ...)
690 __bio_h__attr__((__format__(__printf__,2,3)));
691 int BIO_vprintf(BIO *bio, const char *format, va_list args)
692 __bio_h__attr__((__format__(__printf__,2,0)));
693 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
694 __bio_h__attr__((__format__(__printf__,3,4)));
695 int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
696 __bio_h__attr__((__format__(__printf__,3,0)));
697 #undef __bio_h__attr__
699 /* BEGIN ERROR CODES */
700 /* The following lines are auto generated by the script mkerr.pl. Any changes
701 * made after this point may be overwritten when the script is next run.
703 void ERR_load_BIO_strings(void);
705 /* Error codes for the BIO functions. */
707 /* Function codes. */
708 #define BIO_F_ACPT_STATE 100
709 #define BIO_F_BIO_ACCEPT 101
710 #define BIO_F_BIO_BER_GET_HEADER 102
711 #define BIO_F_BIO_CALLBACK_CTRL 131
712 #define BIO_F_BIO_CTRL 103
713 #define BIO_F_BIO_GETHOSTBYNAME 120
714 #define BIO_F_BIO_GETS 104
715 #define BIO_F_BIO_GET_ACCEPT_SOCKET 105
716 #define BIO_F_BIO_GET_HOST_IP 106
717 #define BIO_F_BIO_GET_PORT 107
718 #define BIO_F_BIO_MAKE_PAIR 121
719 #define BIO_F_BIO_NEW 108
720 #define BIO_F_BIO_NEW_FILE 109
721 #define BIO_F_BIO_NEW_MEM_BUF 126
722 #define BIO_F_BIO_NREAD 123
723 #define BIO_F_BIO_NREAD0 124
724 #define BIO_F_BIO_NWRITE 125
725 #define BIO_F_BIO_NWRITE0 122
726 #define BIO_F_BIO_PUTS 110
727 #define BIO_F_BIO_READ 111
728 #define BIO_F_BIO_SOCK_INIT 112
729 #define BIO_F_BIO_WRITE 113
730 #define BIO_F_BUFFER_CTRL 114
731 #define BIO_F_CONN_CTRL 127
732 #define BIO_F_CONN_STATE 115
733 #define BIO_F_FILE_CTRL 116
734 #define BIO_F_FILE_READ 130
735 #define BIO_F_LINEBUFFER_CTRL 129
736 #define BIO_F_MEM_READ 128
737 #define BIO_F_MEM_WRITE 117
738 #define BIO_F_SSL_NEW 118
739 #define BIO_F_WSASTARTUP 119
742 #define BIO_R_ACCEPT_ERROR 100
743 #define BIO_R_BAD_FOPEN_MODE 101
744 #define BIO_R_BAD_HOSTNAME_LOOKUP 102
745 #define BIO_R_BROKEN_PIPE 124
746 #define BIO_R_CONNECT_ERROR 103
747 #define BIO_R_EOF_ON_MEMORY_BIO 127
748 #define BIO_R_ERROR_SETTING_NBIO 104
749 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
750 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106
751 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
752 #define BIO_R_INVALID_ARGUMENT 125
753 #define BIO_R_INVALID_IP_ADDRESS 108
754 #define BIO_R_IN_USE 123
755 #define BIO_R_KEEPALIVE 109
756 #define BIO_R_NBIO_CONNECT_ERROR 110
757 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
758 #define BIO_R_NO_HOSTNAME_SPECIFIED 112
759 #define BIO_R_NO_PORT_DEFINED 113
760 #define BIO_R_NO_PORT_SPECIFIED 114
761 #define BIO_R_NO_SUCH_FILE 128
762 #define BIO_R_NULL_PARAMETER 115
763 #define BIO_R_TAG_MISMATCH 116
764 #define BIO_R_UNABLE_TO_BIND_SOCKET 117
765 #define BIO_R_UNABLE_TO_CREATE_SOCKET 118
766 #define BIO_R_UNABLE_TO_LISTEN_SOCKET 119
767 #define BIO_R_UNINITIALIZED 120
768 #define BIO_R_UNSUPPORTED_METHOD 121
769 #define BIO_R_WRITE_TO_READ_ONLY_BIO 126
770 #define BIO_R_WSASTARTUP 122
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