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.]
67 #include <openssl/crypto.h>
69 /* These are the 'types' of BIOs */
70 #define BIO_TYPE_NONE 0
71 #define BIO_TYPE_MEM (1|0x0400)
72 #define BIO_TYPE_FILE (2|0x0400)
74 #define BIO_TYPE_FD (4|0x0400|0x0100)
75 #define BIO_TYPE_SOCKET (5|0x0400|0x0100)
76 #define BIO_TYPE_NULL (6|0x0400)
77 #define BIO_TYPE_SSL (7|0x0200)
78 #define BIO_TYPE_MD (8|0x0200) /* pasive filter */
79 #define BIO_TYPE_BUFFER (9|0x0200) /* filter */
80 #define BIO_TYPE_CIPHER (10|0x0200) /* filter */
81 #define BIO_TYPE_BASE64 (11|0x0200) /* filter */
82 #define BIO_TYPE_CONNECT (12|0x0400|0x0100) /* socket - connect */
83 #define BIO_TYPE_ACCEPT (13|0x0400|0x0100) /* socket for accept */
84 #define BIO_TYPE_PROXY_CLIENT (14|0x0200) /* client proxy BIO */
85 #define BIO_TYPE_PROXY_SERVER (15|0x0200) /* server proxy BIO */
86 #define BIO_TYPE_NBIO_TEST (16|0x0200) /* server proxy BIO */
87 #define BIO_TYPE_NULL_FILTER (17|0x0200)
88 #define BIO_TYPE_BER (18|0x0200) /* BER -> bin filter */
90 #define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
91 #define BIO_TYPE_FILTER 0x0200
92 #define BIO_TYPE_SOURCE_SINK 0x0400
94 /* BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
95 * BIO_set_fp(in,stdin,BIO_NOCLOSE); */
96 #define BIO_NOCLOSE 0x00
97 #define BIO_CLOSE 0x01
99 /* These are used in the following macros and are passed to
101 #define BIO_CTRL_RESET 1 /* opt - rewind/zero etc */
102 #define BIO_CTRL_EOF 2 /* opt - are we at the eof */
103 #define BIO_CTRL_INFO 3 /* opt - extra tit-bits */
104 #define BIO_CTRL_SET 4 /* man - set the 'IO' type */
105 #define BIO_CTRL_GET 5 /* man - get the 'IO' type */
106 #define BIO_CTRL_PUSH 6 /* opt - internal, used to signify change */
107 #define BIO_CTRL_POP 7 /* opt - internal, used to signify change */
108 #define BIO_CTRL_GET_CLOSE 8 /* man - set the 'close' on free */
109 #define BIO_CTRL_SET_CLOSE 9 /* man - set the 'close' on free */
110 #define BIO_CTRL_PENDING 10 /* opt - is their more data buffered */
111 #define BIO_CTRL_FLUSH 11 /* opt - 'flush' buffered output */
112 #define BIO_CTRL_DUP 12 /* man - extra stuff for 'duped' BIO */
113 #define BIO_CTRL_WPENDING 13 /* opt - number of bytes still to write */
114 /* callback is int cb(BIO *bio,state,ret); */
115 #define BIO_CTRL_SET_CALLBACK 14 /* opt - set callback function */
116 #define BIO_CTRL_GET_CALLBACK 15 /* opt - set callback function */
118 #define BIO_CTRL_SET_FILENAME 30 /* BIO_s_file special */
121 #define BIO_FP_READ 0x02
122 #define BIO_FP_WRITE 0x04
123 #define BIO_FP_APPEND 0x08
124 #define BIO_FP_TEXT 0x10
126 #define BIO_FLAGS_READ 0x01
127 #define BIO_FLAGS_WRITE 0x02
128 #define BIO_FLAGS_IO_SPECIAL 0x04
129 #define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
130 #define BIO_FLAGS_SHOULD_RETRY 0x08
132 /* Used in BIO_gethostbyname() */
133 #define BIO_GHBN_CTRL_HITS 1
134 #define BIO_GHBN_CTRL_MISSES 2
135 #define BIO_GHBN_CTRL_CACHE_SIZE 3
136 #define BIO_GHBN_CTRL_GET_ENTRY 4
137 #define BIO_GHBN_CTRL_FLUSH 5
139 /* Mostly used in the SSL BIO */
141 * #define BIO_FLAGS_PROTOCOL_DELAYED_READ 0x10
142 * #define BIO_FLAGS_PROTOCOL_DELAYED_WRITE 0x20
143 * #define BIO_FLAGS_PROTOCOL_STARTUP 0x40
146 #define BIO_FLAGS_BASE64_NO_NL 0x100
148 #define BIO_set_flags(b,f) ((b)->flags|=(f))
149 #define BIO_get_flags(b) ((b)->flags)
150 #define BIO_set_retry_special(b) \
151 ((b)->flags|=(BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
152 #define BIO_set_retry_read(b) \
153 ((b)->flags|=(BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
154 #define BIO_set_retry_write(b) \
155 ((b)->flags|=(BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
157 /* These are normally used internally in BIOs */
158 #define BIO_clear_flags(b,f) ((b)->flags&= ~(f))
159 #define BIO_clear_retry_flags(b) \
160 ((b)->flags&= ~(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
161 #define BIO_get_retry_flags(b) \
162 ((b)->flags&(BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
164 /* These shouldbe used by the application to tell why we should retry */
165 #define BIO_should_read(a) ((a)->flags & BIO_FLAGS_READ)
166 #define BIO_should_write(a) ((a)->flags & BIO_FLAGS_WRITE)
167 #define BIO_should_io_special(a) ((a)->flags & BIO_FLAGS_IO_SPECIAL)
168 #define BIO_retry_type(a) ((a)->flags & BIO_FLAGS_RWS)
169 #define BIO_should_retry(a) ((a)->flags & BIO_FLAGS_SHOULD_RETRY)
171 /* The next two are used in conjunction with the
172 * BIO_should_io_special() condition. After this returns true,
173 * BIO *BIO_get_retry_BIO(BIO *bio, int *reason); will walk the BIO
174 * stack and return the 'reason' for the special and the offending BIO.
175 * Given a BIO, BIO_get_retry_reason(bio) will return the code. */
176 /* Returned from the SSL bio when the certificate retrieval code had an error */
177 #define BIO_RR_SSL_X509_LOOKUP 0x01
178 /* Returned from the connect BIO when a connect would have blocked */
179 #define BIO_RR_CONNECT 0x02
181 /* These are passed by the BIO callback */
182 #define BIO_CB_FREE 0x01
183 #define BIO_CB_READ 0x02
184 #define BIO_CB_WRITE 0x03
185 #define BIO_CB_PUTS 0x04
186 #define BIO_CB_GETS 0x05
187 #define BIO_CB_CTRL 0x06
189 /* The callback is called before and after the underling operation,
190 * The BIO_CB_RETURN flag indicates if it is after the call */
191 #define BIO_CB_RETURN 0x80
192 #define BIO_CB_return(a) ((a)|BIO_CB_RETURN))
193 #define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
194 #define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
196 #define BIO_set_callback(b,cb) ((b)->callback=(cb))
197 #define BIO_set_callback_arg(b,arg) ((b)->cb_arg=(char *)(arg))
198 #define BIO_get_callback_arg(b) ((b)->cb_arg)
199 #define BIO_get_callback(b) ((b)->callback)
200 #define BIO_method_name(b) ((b)->method->name)
201 #define BIO_method_type(b) ((b)->method->type)
204 typedef struct bio_method_st
217 typedef struct bio_method_st
221 int (_far *bwrite)();
226 int (_far *create)();
227 int (_far *destroy)();
231 typedef struct bio_st
234 /* bio, mode, argp, argi, argl, ret */
235 long (*callback)(struct bio_st *,int,const char *,int, long,long);
236 char *cb_arg; /* first argument for the callback */
240 int flags; /* extra storage */
244 struct bio_st *next_bio; /* used by filter BIOs */
245 struct bio_st *prev_bio; /* used by filter BIOs */
247 unsigned long num_read;
248 unsigned long num_write;
250 CRYPTO_EX_DATA ex_data;
253 typedef struct bio_f_buffer_ctx_struct
255 /* BIO *bio; */ /* this is now in the BIO struct */
256 int ibuf_size; /* how big is the input buffer */
257 int obuf_size; /* how big is the output buffer */
259 char *ibuf; /* the char array */
260 int ibuf_len; /* how many bytes are in it */
261 int ibuf_off; /* write/read offset */
263 char *obuf; /* the char array */
264 int obuf_len; /* how many bytes are in it */
265 int obuf_off; /* write/read offset */
268 /* connect BIO stuff */
269 #define BIO_CONN_S_BEFORE 1
270 #define BIO_CONN_S_GET_IP 2
271 #define BIO_CONN_S_GET_PORT 3
272 #define BIO_CONN_S_CREATE_SOCKET 4
273 #define BIO_CONN_S_CONNECT 5
274 #define BIO_CONN_S_OK 6
275 #define BIO_CONN_S_BLOCKED_CONNECT 7
276 #define BIO_CONN_S_NBIO 8
277 /*#define BIO_CONN_get_param_hostname BIO_ctrl */
279 #define BIO_number_read(b) ((b)->num_read)
280 #define BIO_number_written(b) ((b)->num_write)
282 #define BIO_C_SET_CONNECT 100
283 #define BIO_C_DO_STATE_MACHINE 101
284 #define BIO_C_SET_NBIO 102
285 #define BIO_C_SET_PROXY_PARAM 103
286 #define BIO_C_SET_FD 104
287 #define BIO_C_GET_FD 105
288 #define BIO_C_SET_FILE_PTR 106
289 #define BIO_C_GET_FILE_PTR 107
290 #define BIO_C_SET_FILENAME 108
291 #define BIO_C_SET_SSL 109
292 #define BIO_C_GET_SSL 110
293 #define BIO_C_SET_MD 111
294 #define BIO_C_GET_MD 112
295 #define BIO_C_GET_CIPHER_STATUS 113
296 #define BIO_C_SET_BUF_MEM 114
297 #define BIO_C_GET_BUF_MEM_PTR 115
298 #define BIO_C_GET_BUFF_NUM_LINES 116
299 #define BIO_C_SET_BUFF_SIZE 117
300 #define BIO_C_SET_ACCEPT 118
301 #define BIO_C_SSL_MODE 119
302 #define BIO_C_GET_MD_CTX 120
303 #define BIO_C_GET_PROXY_PARAM 121
304 #define BIO_C_SET_BUFF_READ_DATA 122 /* data to read first */
305 #define BIO_C_GET_CONNECT 123
306 #define BIO_C_GET_ACCEPT 124
307 #define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
308 #define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
309 #define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
310 #define BIO_C_FILE_SEEK 128
311 #define BIO_C_GET_CIPHER_CTX 129
312 #define BIO_C_SET_BUF_MEM_EOF_RETURN 130/*return end of input value*/
313 #define BIO_C_SET_BIND_MODE 131
314 #define BIO_C_GET_BIND_MODE 132
315 #define BIO_C_FILE_TELL 133
316 #define BIO_C_GET_SOCKS 134
317 #define BIO_C_SET_SOCKS 135
319 #define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,(char *)arg)
320 #define BIO_get_app_data(s) BIO_get_ex_data(s,0)
322 /* BIO_s_connect() and BIO_s_socks4a_connect() */
323 #define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
324 #define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
325 #define BIO_set_conn_ip(b,ip) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)ip)
326 #define BIO_set_conn_int_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,3,(char *)port)
327 #define BIO_get_conn_hostname(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0)
328 #define BIO_get_conn_port(b) BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1)
329 #define BIO_get_conn_ip(b,ip) BIO_ptr_ctrl(b,BIO_C_SET_CONNECT,2)
330 #define BIO_get_conn_int_port(b,port) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,port)
333 #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
335 /* BIO_s_accept_socket() */
336 #define BIO_set_accept_port(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
337 #define BIO_get_accept_port(b) BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0)
338 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
339 #define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(n)?"a":NULL)
340 #define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(char *)bio)
342 #define BIO_BIND_NORMAL 0
343 #define BIO_BIND_REUSEADDR_IF_UNUSED 1
344 #define BIO_BIND_REUSEADDR 2
345 #define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
346 #define BIO_get_bind_mode(b,mode) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
348 #define BIO_do_connect(b) BIO_do_handshake(b)
349 #define BIO_do_accept(b) BIO_do_handshake(b)
350 #define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
352 /* BIO_s_proxy_client() */
353 #define BIO_set_url(b,url) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,0,(char *)(url))
354 #define BIO_set_proxies(b,p) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,1,(char *)(p))
355 /* BIO_set_nbio(b,n) */
356 #define BIO_set_filter_bio(b,s) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,2,(char *)(s))
357 /* BIO *BIO_get_filter_bio(BIO *bio); */
358 #define BIO_set_proxy_cb(b,cb) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,3,(char *)(cb))
359 #define BIO_set_proxy_header(b,sk) BIO_ctrl(b,BIO_C_SET_PROXY_PARAM,4,(char *)sk)
360 #define BIO_set_no_connect_return(b,bool) BIO_int_ctrl(b,BIO_C_SET_PROXY_PARAM,5,bool)
362 #define BIO_get_proxy_header(b,skp) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,0,(char *)skp)
363 #define BIO_get_proxies(b,pxy_p) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,1,(char *)(pxy_p))
364 #define BIO_get_url(b,url) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,2,(char *)(url))
365 #define BIO_get_no_connect_return(b) BIO_ctrl(b,BIO_C_GET_PROXY_PARAM,5,NULL)
367 #define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
368 #define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
370 #define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
371 #define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
373 #define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
374 #define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
376 /* name is cast to lose const, but might be better to route through a function
377 so we can do it safely */
379 /* If you are wondering why this isn't defined, its because CONST_STRICT is
380 * purely a compile-time kludge to allow const to be checked.
382 int BIO_read_filename(BIO *b,const char *name);
384 #define BIO_read_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
385 BIO_CLOSE|BIO_FP_READ,(char *)name)
387 #define BIO_write_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
388 BIO_CLOSE|BIO_FP_WRITE,name)
389 #define BIO_append_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
390 BIO_CLOSE|BIO_FP_APPEND,name)
391 #define BIO_rw_filename(b,name) BIO_ctrl(b,BIO_C_SET_FILENAME, \
392 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
394 /* WARNING WARNING, this ups the reference count on the read bio of the
395 * SSL structure. This is because the ssl read BIO is now pointed to by
396 * the next_bio field in the bio. So when you free the BIO, make sure
397 * you are doing a BIO_free_all() to catch the underlying BIO. */
398 #define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
399 #define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
400 #define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
401 #define BIO_set_ssl_renegotiate_bytes(b,num) \
402 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL);
403 #define BIO_get_num_renegotiates(b) \
404 BIO_ctrl(b,BIO_C_SET_SSL_NUM_RENEGOTIATES,0,NULL);
405 #define BIO_set_ssl_renegotiate_timeout(b,seconds) \
406 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL);
408 /* defined in evp.h */
409 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
411 #define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
412 #define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
413 #define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
414 #define BIO_set_mem_eof_return(b,v) \
415 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
417 /* For the BIO_f_buffer() type */
418 #define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
419 #define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
420 #define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
421 #define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
422 #define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
424 /* Don't use the next one unless you know what you are doing :-) */
425 #define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
427 #define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
428 #define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
429 #define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
430 #define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
431 #define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
432 #define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
433 #define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
434 #define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0,(char *)cbp)
435 #define BIO_set_info_callback(b,cb) (int)BIO_ctrl(b,BIO_CTRL_SET_CALLBACK,0,(char *)cb)
437 /* For the BIO_f_buffer() type */
438 #define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
445 /* These two aren't currently implemented */
446 /* int BIO_get_ex_num(BIO *bio); */
447 /* void BIO_set_ex_free_func(BIO *bio,int idx,void (*cb)()); */
448 int BIO_set_ex_data(BIO *bio,int idx,char *data);
449 char *BIO_get_ex_data(BIO *bio,int idx);
450 int BIO_get_ex_new_index(long argl, char *argp, int (*new_func)(),
451 int (*dup_func)(), void (*free_func)());
453 # if defined(WIN16) && defined(_WINDLL)
454 BIO_METHOD *BIO_s_file_internal(void);
455 BIO *BIO_new_file_internal(char *filename, char *mode);
456 BIO *BIO_new_fp_internal(FILE *stream, int close_flag);
457 # define BIO_s_file BIO_s_file_internal
458 # define BIO_new_file BIO_new_file_internal
459 # define BIO_new_fp BIO_new_fp_internal
461 BIO_METHOD *BIO_s_file(void );
462 BIO *BIO_new_file(char *filename, char *mode);
463 BIO *BIO_new_fp(FILE *stream, int close_flag);
464 # define BIO_s_file_internal BIO_s_file
465 # define BIO_new_file_internal BIO_new_file
466 # define BIO_new_fp_internal BIO_s_file
468 BIO * BIO_new(BIO_METHOD *type);
469 int BIO_set(BIO *a,BIO_METHOD *type);
470 int BIO_free(BIO *a);
471 int BIO_read(BIO *b, void *data, int len);
472 int BIO_gets(BIO *bp,char *buf, int size);
473 int BIO_write(BIO *b, const char *data, int len);
474 int BIO_puts(BIO *bp,const char *buf);
475 long BIO_ctrl(BIO *bp,int cmd,long larg,char *parg);
476 char * BIO_ptr_ctrl(BIO *bp,int cmd,long larg);
477 long BIO_int_ctrl(BIO *bp,int cmd,long larg,int iarg);
478 BIO * BIO_push(BIO *b,BIO *append);
479 BIO * BIO_pop(BIO *b);
480 void BIO_free_all(BIO *a);
481 BIO * BIO_find_type(BIO *b,int bio_type);
482 BIO * BIO_get_retry_BIO(BIO *bio, int *reason);
483 int BIO_get_retry_reason(BIO *bio);
484 BIO * BIO_dup_chain(BIO *in);
487 long BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
490 long _far _loadds BIO_debug_callback(BIO *bio,int cmd,const char *argp,int argi,
494 BIO_METHOD *BIO_s_mem(void);
495 BIO_METHOD *BIO_s_socket(void);
496 BIO_METHOD *BIO_s_connect(void);
497 BIO_METHOD *BIO_s_accept(void);
498 BIO_METHOD *BIO_s_fd(void);
499 BIO_METHOD *BIO_s_log(void);
500 BIO_METHOD *BIO_s_null(void);
501 BIO_METHOD *BIO_f_null(void);
502 BIO_METHOD *BIO_f_buffer(void);
503 BIO_METHOD *BIO_f_nbio_test(void);
504 /* BIO_METHOD *BIO_f_ber(void); */
506 int BIO_sock_should_retry(int i);
507 int BIO_sock_non_fatal_error(int error);
508 int BIO_fd_should_retry(int i);
509 int BIO_fd_non_fatal_error(int error);
510 int BIO_dump(BIO *b,const char *bytes,int len);
512 struct hostent *BIO_gethostbyname(const char *name);
513 int BIO_sock_error(int sock);
514 int BIO_socket_ioctl(int fd, long type, unsigned long *arg);
515 int BIO_socket_nbio(int fd,int mode);
516 int BIO_get_port(const char *str, unsigned short *port_ptr);
517 int BIO_get_host_ip(const char *str, unsigned char *ip);
518 int BIO_get_accept_socket(char *host_port,int mode);
519 int BIO_accept(int sock,char **ip_port);
520 int BIO_sock_init(void );
521 void BIO_sock_cleanup(void);
522 int BIO_set_tcp_ndelay(int sock,int turn_on);
524 void ERR_load_BIO_strings(void );
526 BIO *BIO_new_socket(int sock, int close_flag);
527 BIO *BIO_new_fd(int fd, int close_flag);
528 BIO *BIO_new_connect(char *host_port);
529 BIO *BIO_new_accept(char *host_port);
531 void BIO_copy_next_retry(BIO *b);
533 long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);
535 /* Tim Hudson's portable varargs stuff */
537 #define VAR_ANSI /* select ANSI version by default */
541 /* ANSI version of a "portable" macro set for variable length args */
542 #ifndef __STDARG_H__ /**/
546 #define VAR_PLIST(arg1type,arg1) arg1type arg1, ...
547 #define VAR_PLIST2(arg1type,arg1,arg2type,arg2) arg1type arg1,arg2type arg2,...
549 #define VAR_BDEFN(args,arg1type,arg1) va_list args
550 #define VAR_BDEFN2(args,arg1type,arg1,arg2type,arg2) va_list args
551 #define VAR_INIT(args,arg1type,arg1) va_start(args,arg1);
552 #define VAR_INIT2(args,arg1type,arg1,arg2type,arg2) va_start(args,arg2);
553 #define VAR_ARG(args,type,arg) arg=va_arg(args,type)
554 #define VAR_END(args) va_end(args);
556 int BIO_printf( VAR_PLIST( BIO *, bio ) );
557 /* BEGIN ERROR CODES */
558 /* The following lines are auto generated by the script mkerr.pl. Any changes
559 * made after this point may be overwritten when the script is next run.
562 /* Error codes for the BIO functions. */
564 /* Function codes. */
565 #define BIO_F_ACPT_STATE 100
566 #define BIO_F_BIO_ACCEPT 101
567 #define BIO_F_BIO_BER_GET_HEADER 102
568 #define BIO_F_BIO_CTRL 103
569 #define BIO_F_BIO_GETS 104
570 #define BIO_F_BIO_GET_ACCEPT_SOCKET 105
571 #define BIO_F_BIO_GET_HOST_IP 106
572 #define BIO_F_BIO_GET_PORT 107
573 #define BIO_F_BIO_NEW 108
574 #define BIO_F_BIO_NEW_FILE 109
575 #define BIO_F_BIO_PUTS 110
576 #define BIO_F_BIO_READ 111
577 #define BIO_F_BIO_SOCK_INIT 112
578 #define BIO_F_BIO_WRITE 113
579 #define BIO_F_BUFFER_CTRL 114
580 #define BIO_F_CONN_STATE 115
581 #define BIO_F_FILE_CTRL 116
582 #define BIO_F_MEM_WRITE 117
583 #define BIO_F_SSL_NEW 118
584 #define BIO_F_WSASTARTUP 119
587 #define BIO_R_ACCEPT_ERROR 100
588 #define BIO_R_BAD_FOPEN_MODE 101
589 #define BIO_R_BAD_HOSTNAME_LOOKUP 102
590 #define BIO_R_CONNECT_ERROR 103
591 #define BIO_R_ERROR_SETTING_NBIO 104
592 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPTED_SOCKET 105
593 #define BIO_R_ERROR_SETTING_NBIO_ON_ACCEPT_SOCKET 106
594 #define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
595 #define BIO_R_INVALID_IP_ADDRESS 108
596 #define BIO_R_KEEPALIVE 109
597 #define BIO_R_NBIO_CONNECT_ERROR 110
598 #define BIO_R_NO_ACCEPT_PORT_SPECIFIED 111
599 #define BIO_R_NO_HOSTNAME_SPECIFIED 112
600 #define BIO_R_NO_PORT_DEFINED 113
601 #define BIO_R_NO_PORT_SPECIFIED 114
602 #define BIO_R_NULL_PARAMETER 115
603 #define BIO_R_TAG_MISMATCH 116
604 #define BIO_R_UNABLE_TO_BIND_SOCKET 117
605 #define BIO_R_UNABLE_TO_CREATE_SOCKET 118
606 #define BIO_R_UNABLE_TO_LISTEN_SOCKET 119
607 #define BIO_R_UNINITIALIZED 120
608 #define BIO_R_UNSUPPORTED_METHOD 121
609 #define BIO_R_WSASTARTUP 122