2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
13 # include <openssl/e_os2.h>
15 # ifndef OPENSSL_NO_STDIO
20 # include <openssl/crypto.h>
22 # ifndef OPENSSL_NO_SCTP
23 # ifndef OPENSSL_SYS_VMS
26 # include <inttypes.h>
34 /* There are the classes of BIOs */
35 # define BIO_TYPE_DESCRIPTOR 0x0100 /* socket, fd, connect or accept */
36 # define BIO_TYPE_FILTER 0x0200
37 # define BIO_TYPE_SOURCE_SINK 0x0400
39 /* These are the 'types' of BIOs */
40 # define BIO_TYPE_NONE 0
41 # define BIO_TYPE_MEM ( 1|BIO_TYPE_SOURCE_SINK)
42 # define BIO_TYPE_FILE ( 2|BIO_TYPE_SOURCE_SINK)
44 # define BIO_TYPE_FD ( 4|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
45 # define BIO_TYPE_SOCKET ( 5|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
46 # define BIO_TYPE_NULL ( 6|BIO_TYPE_SOURCE_SINK)
47 # define BIO_TYPE_SSL ( 7|BIO_TYPE_FILTER)
48 # define BIO_TYPE_MD ( 8|BIO_TYPE_FILTER)
49 # define BIO_TYPE_BUFFER ( 9|BIO_TYPE_FILTER)
50 # define BIO_TYPE_CIPHER (10|BIO_TYPE_FILTER)
51 # define BIO_TYPE_BASE64 (11|BIO_TYPE_FILTER)
52 # define BIO_TYPE_CONNECT (12|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
53 # define BIO_TYPE_ACCEPT (13|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
55 # define BIO_TYPE_NBIO_TEST (16|BIO_TYPE_FILTER)/* server proxy BIO */
56 # define BIO_TYPE_NULL_FILTER (17|BIO_TYPE_FILTER)
57 # define BIO_TYPE_BIO (19|BIO_TYPE_SOURCE_SINK)/* half a BIO pair */
58 # define BIO_TYPE_LINEBUFFER (20|BIO_TYPE_FILTER)
59 # define BIO_TYPE_DGRAM (21|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
60 # define BIO_TYPE_ASN1 (22|BIO_TYPE_FILTER)
61 # define BIO_TYPE_COMP (23|BIO_TYPE_FILTER)
62 # ifndef OPENSSL_NO_SCTP
63 # define BIO_TYPE_DGRAM_SCTP (24|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
66 #define BIO_TYPE_START 128
69 * BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
70 * BIO_set_fp(in,stdin,BIO_NOCLOSE);
72 # define BIO_NOCLOSE 0x00
73 # define BIO_CLOSE 0x01
76 * These are used in the following macros and are passed to BIO_ctrl()
78 # define BIO_CTRL_RESET 1/* opt - rewind/zero etc */
79 # define BIO_CTRL_EOF 2/* opt - are we at the eof */
80 # define BIO_CTRL_INFO 3/* opt - extra tit-bits */
81 # define BIO_CTRL_SET 4/* man - set the 'IO' type */
82 # define BIO_CTRL_GET 5/* man - get the 'IO' type */
83 # define BIO_CTRL_PUSH 6/* opt - internal, used to signify change */
84 # define BIO_CTRL_POP 7/* opt - internal, used to signify change */
85 # define BIO_CTRL_GET_CLOSE 8/* man - set the 'close' on free */
86 # define BIO_CTRL_SET_CLOSE 9/* man - set the 'close' on free */
87 # define BIO_CTRL_PENDING 10/* opt - is their more data buffered */
88 # define BIO_CTRL_FLUSH 11/* opt - 'flush' buffered output */
89 # define BIO_CTRL_DUP 12/* man - extra stuff for 'duped' BIO */
90 # define BIO_CTRL_WPENDING 13/* opt - number of bytes still to write */
91 # define BIO_CTRL_SET_CALLBACK 14/* opt - set callback function */
92 # define BIO_CTRL_GET_CALLBACK 15/* opt - set callback function */
94 # define BIO_CTRL_SET_FILENAME 30/* BIO_s_file special */
97 # define BIO_CTRL_DGRAM_CONNECT 31/* BIO dgram special */
98 # define BIO_CTRL_DGRAM_SET_CONNECTED 32/* allow for an externally connected
99 * socket to be passed in */
100 # define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33/* setsockopt, essentially */
101 # define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34/* getsockopt, essentially */
102 # define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35/* setsockopt, essentially */
103 # define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36/* getsockopt, essentially */
105 # define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37/* flag whether the last */
106 # define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38/* I/O operation tiemd out */
108 /* #ifdef IP_MTU_DISCOVER */
109 # define BIO_CTRL_DGRAM_MTU_DISCOVER 39/* set DF bit on egress packets */
112 # define BIO_CTRL_DGRAM_QUERY_MTU 40/* as kernel for current MTU */
113 # define BIO_CTRL_DGRAM_GET_FALLBACK_MTU 47
114 # define BIO_CTRL_DGRAM_GET_MTU 41/* get cached value for MTU */
115 # define BIO_CTRL_DGRAM_SET_MTU 42/* set cached value for MTU.
116 * want to use this if asking
117 * the kernel fails */
119 # define BIO_CTRL_DGRAM_MTU_EXCEEDED 43/* check whether the MTU was
120 * exceed in the previous write
123 # define BIO_CTRL_DGRAM_GET_PEER 46
124 # define BIO_CTRL_DGRAM_SET_PEER 44/* Destination for the data */
126 # define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT 45/* Next DTLS handshake timeout
127 * to adjust socket timeouts */
128 # define BIO_CTRL_DGRAM_SET_DONT_FRAG 48
130 # define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD 49
132 # define BIO_CTRL_DGRAM_SET_PEEK_MODE 50
134 # ifndef OPENSSL_NO_SCTP
136 # define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE 50
137 # define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY 51
138 # define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY 52
139 # define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD 53
140 # define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO 60
141 # define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO 61
142 # define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO 62
143 # define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO 63
144 # define BIO_CTRL_DGRAM_SCTP_GET_PRINFO 64
145 # define BIO_CTRL_DGRAM_SCTP_SET_PRINFO 65
146 # define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN 70
150 # define BIO_FP_READ 0x02
151 # define BIO_FP_WRITE 0x04
152 # define BIO_FP_APPEND 0x08
153 # define BIO_FP_TEXT 0x10
155 # define BIO_FLAGS_READ 0x01
156 # define BIO_FLAGS_WRITE 0x02
157 # define BIO_FLAGS_IO_SPECIAL 0x04
158 # define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
159 # define BIO_FLAGS_SHOULD_RETRY 0x08
160 # ifndef BIO_FLAGS_UPLINK
162 * "UPLINK" flag denotes file descriptors provided by application. It
163 * defaults to 0, as most platforms don't require UPLINK interface.
165 # define BIO_FLAGS_UPLINK 0
168 # define BIO_FLAGS_BASE64_NO_NL 0x100
171 * This is used with memory BIOs:
172 * BIO_FLAGS_MEM_RDONLY means we shouldn't free up or change the data in any way;
173 * BIO_FLAGS_NONCLEAR_RST means we should't clear data on reset.
175 # define BIO_FLAGS_MEM_RDONLY 0x200
176 # define BIO_FLAGS_NONCLEAR_RST 0x400
178 typedef union bio_addr_st BIO_ADDR;
179 typedef struct bio_addrinfo_st BIO_ADDRINFO;
181 int BIO_get_new_index(void);
182 void BIO_set_flags(BIO *b, int flags);
183 int BIO_test_flags(const BIO *b, int flags);
184 void BIO_clear_flags(BIO *b, int flags);
186 # define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
187 # define BIO_set_retry_special(b) \
188 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
189 # define BIO_set_retry_read(b) \
190 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
191 # define BIO_set_retry_write(b) \
192 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
194 /* These are normally used internally in BIOs */
195 # define BIO_clear_retry_flags(b) \
196 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
197 # define BIO_get_retry_flags(b) \
198 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
200 /* These should be used by the application to tell why we should retry */
201 # define BIO_should_read(a) BIO_test_flags(a, BIO_FLAGS_READ)
202 # define BIO_should_write(a) BIO_test_flags(a, BIO_FLAGS_WRITE)
203 # define BIO_should_io_special(a) BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
204 # define BIO_retry_type(a) BIO_test_flags(a, BIO_FLAGS_RWS)
205 # define BIO_should_retry(a) BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
208 * The next three are used in conjunction with the BIO_should_io_special()
209 * condition. After this returns true, BIO *BIO_get_retry_BIO(BIO *bio, int
210 * *reason); will walk the BIO stack and return the 'reason' for the special
211 * and the offending BIO. Given a BIO, BIO_get_retry_reason(bio) will return
215 * Returned from the SSL bio when the certificate retrieval code had an error
217 # define BIO_RR_SSL_X509_LOOKUP 0x01
218 /* Returned from the connect BIO when a connect would have blocked */
219 # define BIO_RR_CONNECT 0x02
220 /* Returned from the accept BIO when an accept would have blocked */
221 # define BIO_RR_ACCEPT 0x03
223 /* These are passed by the BIO callback */
224 # define BIO_CB_FREE 0x01
225 # define BIO_CB_READ 0x02
226 # define BIO_CB_WRITE 0x03
227 # define BIO_CB_PUTS 0x04
228 # define BIO_CB_GETS 0x05
229 # define BIO_CB_CTRL 0x06
232 * The callback is called before and after the underling operation, The
233 * BIO_CB_RETURN flag indicates if it is after the call
235 # define BIO_CB_RETURN 0x80
236 # define BIO_CB_return(a) ((a)|BIO_CB_RETURN)
237 # define BIO_cb_pre(a) (!((a)&BIO_CB_RETURN))
238 # define BIO_cb_post(a) ((a)&BIO_CB_RETURN)
240 typedef long (*BIO_callback_fn)(BIO *b, int oper, const char *argp, int argi,
241 long argl, long ret);
242 typedef long (*BIO_callback_fn_ex)(BIO *b, int oper, const char *argp,
243 size_t len, int argi,
244 long argl, int ret, size_t *processed,
246 BIO_callback_fn BIO_get_callback(const BIO *b);
247 void BIO_set_callback(BIO *b, BIO_callback_fn callback);
249 BIO_callback_fn_ex BIO_get_callback_ex(const BIO *b);
250 void BIO_set_callback_ex(BIO *b, BIO_callback_fn_ex callback);
252 char *BIO_get_callback_arg(const BIO *b);
253 void BIO_set_callback_arg(BIO *b, char *arg);
255 typedef struct bio_method_st BIO_METHOD;
257 const char *BIO_method_name(const BIO *b);
258 int BIO_method_type(const BIO *b);
260 typedef void bio_info_cb(BIO *, int, const char *, int, long, long);
264 /* Prefix and suffix callback in ASN1 BIO */
265 typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen,
268 # ifndef OPENSSL_NO_SCTP
269 /* SCTP parameter structs */
270 struct bio_dgram_sctp_sndinfo {
274 uint32_t snd_context;
277 struct bio_dgram_sctp_rcvinfo {
284 uint32_t rcv_context;
287 struct bio_dgram_sctp_prinfo {
294 * #define BIO_CONN_get_param_hostname BIO_ctrl
297 # define BIO_C_SET_CONNECT 100
298 # define BIO_C_DO_STATE_MACHINE 101
299 # define BIO_C_SET_NBIO 102
300 /* # define BIO_C_SET_PROXY_PARAM 103 */
301 # define BIO_C_SET_FD 104
302 # define BIO_C_GET_FD 105
303 # define BIO_C_SET_FILE_PTR 106
304 # define BIO_C_GET_FILE_PTR 107
305 # define BIO_C_SET_FILENAME 108
306 # define BIO_C_SET_SSL 109
307 # define BIO_C_GET_SSL 110
308 # define BIO_C_SET_MD 111
309 # define BIO_C_GET_MD 112
310 # define BIO_C_GET_CIPHER_STATUS 113
311 # define BIO_C_SET_BUF_MEM 114
312 # define BIO_C_GET_BUF_MEM_PTR 115
313 # define BIO_C_GET_BUFF_NUM_LINES 116
314 # define BIO_C_SET_BUFF_SIZE 117
315 # define BIO_C_SET_ACCEPT 118
316 # define BIO_C_SSL_MODE 119
317 # define BIO_C_GET_MD_CTX 120
318 /* # define BIO_C_GET_PROXY_PARAM 121 */
319 # define BIO_C_SET_BUFF_READ_DATA 122/* data to read first */
320 # define BIO_C_GET_CONNECT 123
321 # define BIO_C_GET_ACCEPT 124
322 # define BIO_C_SET_SSL_RENEGOTIATE_BYTES 125
323 # define BIO_C_GET_SSL_NUM_RENEGOTIATES 126
324 # define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT 127
325 # define BIO_C_FILE_SEEK 128
326 # define BIO_C_GET_CIPHER_CTX 129
327 # define BIO_C_SET_BUF_MEM_EOF_RETURN 130/* return end of input
329 # define BIO_C_SET_BIND_MODE 131
330 # define BIO_C_GET_BIND_MODE 132
331 # define BIO_C_FILE_TELL 133
332 # define BIO_C_GET_SOCKS 134
333 # define BIO_C_SET_SOCKS 135
335 # define BIO_C_SET_WRITE_BUF_SIZE 136/* for BIO_s_bio */
336 # define BIO_C_GET_WRITE_BUF_SIZE 137
337 # define BIO_C_MAKE_BIO_PAIR 138
338 # define BIO_C_DESTROY_BIO_PAIR 139
339 # define BIO_C_GET_WRITE_GUARANTEE 140
340 # define BIO_C_GET_READ_REQUEST 141
341 # define BIO_C_SHUTDOWN_WR 142
342 # define BIO_C_NREAD0 143
343 # define BIO_C_NREAD 144
344 # define BIO_C_NWRITE0 145
345 # define BIO_C_NWRITE 146
346 # define BIO_C_RESET_READ_REQUEST 147
347 # define BIO_C_SET_MD_CTX 148
349 # define BIO_C_SET_PREFIX 149
350 # define BIO_C_GET_PREFIX 150
351 # define BIO_C_SET_SUFFIX 151
352 # define BIO_C_GET_SUFFIX 152
354 # define BIO_C_SET_EX_ARG 153
355 # define BIO_C_GET_EX_ARG 154
357 # define BIO_C_SET_CONNECT_MODE 155
359 # define BIO_set_app_data(s,arg) BIO_set_ex_data(s,0,arg)
360 # define BIO_get_app_data(s) BIO_get_ex_data(s,0)
362 # define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
364 # ifndef OPENSSL_NO_SOCK
365 /* IP families we support, for BIO_s_connect() and BIO_s_accept() */
366 /* Note: the underlying operating system may not support some of them */
367 # define BIO_FAMILY_IPV4 4
368 # define BIO_FAMILY_IPV6 6
369 # define BIO_FAMILY_IPANY 256
371 /* BIO_s_connect() */
372 # define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
373 # define BIO_set_conn_port(b,port) BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
374 # define BIO_set_conn_address(b,addr) BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)addr)
375 # define BIO_set_conn_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,f)
376 # define BIO_get_conn_hostname(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0))
377 # define BIO_get_conn_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1))
378 # define BIO_get_conn_address(b) ((const BIO_ADDR *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2))
379 # define BIO_get_conn_ip_family(b) BIO_ctrl(b,BIO_C_GET_CONNECT,3,NULL)
380 # define BIO_set_conn_mode(b,n) BIO_ctrl(b,BIO_C_SET_CONNECT_MODE,(n),NULL)
383 # define BIO_set_accept_name(b,name) BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
384 # define BIO_set_accept_port(b,port) BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(char *)port)
385 # define BIO_get_accept_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0))
386 # define BIO_get_accept_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,1))
387 # define BIO_get_peer_name(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,2))
388 # define BIO_get_peer_port(b) ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,3))
389 /* #define BIO_set_nbio(b,n) BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
390 # define BIO_set_nbio_accept(b,n) BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(n)?(void *)"a":NULL)
391 # define BIO_set_accept_bios(b,bio) BIO_ctrl(b,BIO_C_SET_ACCEPT,3,(char *)bio)
392 # define BIO_set_accept_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_ACCEPT,4,f)
393 # define BIO_get_accept_ip_family(b) BIO_ctrl(b,BIO_C_GET_ACCEPT,4,NULL)
395 /* Aliases kept for backward compatibility */
396 # define BIO_BIND_NORMAL 0
397 # define BIO_BIND_REUSEADDR BIO_SOCK_REUSEADDR
398 # define BIO_BIND_REUSEADDR_IF_UNUSED BIO_SOCK_REUSEADDR
399 # define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
400 # define BIO_get_bind_mode(b) BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
402 /* BIO_s_accept() and BIO_s_connect() */
403 # define BIO_do_connect(b) BIO_do_handshake(b)
404 # define BIO_do_accept(b) BIO_do_handshake(b)
405 # endif /* OPENSSL_NO_SOCK */
407 # define BIO_do_handshake(b) BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
409 /* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */
410 # define BIO_set_fd(b,fd,c) BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
411 # define BIO_get_fd(b,c) BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
414 # define BIO_set_fp(b,fp,c) BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
415 # define BIO_get_fp(b,fpp) BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
417 /* BIO_s_fd() and BIO_s_file() */
418 # define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
419 # define BIO_tell(b) (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
422 * name is cast to lose const, but might be better to route through a
423 * function so we can do it safely
427 * If you are wondering why this isn't defined, its because CONST_STRICT is
428 * purely a compile-time kludge to allow const to be checked.
430 int BIO_read_filename(BIO *b, const char *name);
432 # define BIO_read_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
433 BIO_CLOSE|BIO_FP_READ,(char *)name)
435 # define BIO_write_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
436 BIO_CLOSE|BIO_FP_WRITE,name)
437 # define BIO_append_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
438 BIO_CLOSE|BIO_FP_APPEND,name)
439 # define BIO_rw_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
440 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
443 * WARNING WARNING, this ups the reference count on the read bio of the SSL
444 * structure. This is because the ssl read BIO is now pointed to by the
445 * next_bio field in the bio. So when you free the BIO, make sure you are
446 * doing a BIO_free_all() to catch the underlying BIO.
448 # define BIO_set_ssl(b,ssl,c) BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
449 # define BIO_get_ssl(b,sslp) BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
450 # define BIO_set_ssl_mode(b,client) BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
451 # define BIO_set_ssl_renegotiate_bytes(b,num) \
452 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL)
453 # define BIO_get_num_renegotiates(b) \
454 BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL)
455 # define BIO_set_ssl_renegotiate_timeout(b,seconds) \
456 BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL)
458 /* defined in evp.h */
459 /* #define BIO_set_md(b,md) BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
461 # define BIO_get_mem_data(b,pp) BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
462 # define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
463 # define BIO_get_mem_ptr(b,pp) BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
464 # define BIO_set_mem_eof_return(b,v) \
465 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
467 /* For the BIO_f_buffer() type */
468 # define BIO_get_buffer_num_lines(b) BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
469 # define BIO_set_buffer_size(b,size) BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
470 # define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
471 # define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
472 # define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
474 /* Don't use the next one unless you know what you are doing :-) */
475 # define BIO_dup_state(b,ret) BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
477 # define BIO_reset(b) (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
478 # define BIO_eof(b) (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
479 # define BIO_set_close(b,c) (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
480 # define BIO_get_close(b) (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
481 # define BIO_pending(b) (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
482 # define BIO_wpending(b) (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
483 /* ...pending macros have inappropriate return type */
484 size_t BIO_ctrl_pending(BIO *b);
485 size_t BIO_ctrl_wpending(BIO *b);
486 # define BIO_flush(b) (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
487 # define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
489 # define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
491 /* For the BIO_f_buffer() type */
492 # define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
494 /* For BIO_s_bio() */
495 # define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
496 # define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
497 # define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
498 # define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
499 # define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
500 /* macros with inappropriate type -- but ...pending macros use int too: */
501 # define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
502 # define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
503 size_t BIO_ctrl_get_write_guarantee(BIO *b);
504 size_t BIO_ctrl_get_read_request(BIO *b);
505 int BIO_ctrl_reset_read_request(BIO *b);
507 /* ctrl macros for dgram */
508 # define BIO_ctrl_dgram_connect(b,peer) \
509 (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer)
510 # define BIO_ctrl_set_connected(b,peer) \
511 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, 0, (char *)peer)
512 # define BIO_dgram_recv_timedout(b) \
513 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
514 # define BIO_dgram_send_timedout(b) \
515 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
516 # define BIO_dgram_get_peer(b,peer) \
517 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer)
518 # define BIO_dgram_set_peer(b,peer) \
519 (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)
520 # define BIO_dgram_get_mtu_overhead(b) \
521 (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL)
523 #define BIO_get_ex_new_index(l, p, newf, dupf, freef) \
524 CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, l, p, newf, dupf, freef)
525 int BIO_set_ex_data(BIO *bio, int idx, void *data);
526 void *BIO_get_ex_data(BIO *bio, int idx);
527 uint64_t BIO_number_read(BIO *bio);
528 uint64_t BIO_number_written(BIO *bio);
530 /* For BIO_f_asn1() */
531 int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,
532 asn1_ps_func *prefix_free);
533 int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,
534 asn1_ps_func **pprefix_free);
535 int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,
536 asn1_ps_func *suffix_free);
537 int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,
538 asn1_ps_func **psuffix_free);
540 const BIO_METHOD *BIO_s_file(void);
541 BIO *BIO_new_file(const char *filename, const char *mode);
542 # ifndef OPENSSL_NO_STDIO
543 BIO *BIO_new_fp(FILE *stream, int close_flag);
545 BIO *BIO_new(const BIO_METHOD *type);
546 int BIO_free(BIO *a);
547 void BIO_set_data(BIO *a, void *ptr);
548 void *BIO_get_data(BIO *a);
549 void BIO_set_init(BIO *a, int init);
550 int BIO_get_init(BIO *a);
551 void BIO_set_shutdown(BIO *a, int shut);
552 int BIO_get_shutdown(BIO *a);
553 void BIO_vfree(BIO *a);
554 int BIO_up_ref(BIO *a);
555 int BIO_read(BIO *b, void *data, int len);
556 int BIO_read_ex(BIO *b, void *out, size_t outl, size_t *read);
557 int BIO_gets(BIO *bp, char *buf, int size);
558 int BIO_write(BIO *b, const void *data, int len);
559 int BIO_write_ex(BIO *b, const void *in, size_t inl, size_t *written);
560 int BIO_puts(BIO *bp, const char *buf);
561 int BIO_indent(BIO *b, int indent, int max);
562 long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg);
563 long BIO_callback_ctrl(BIO *b, int cmd,
564 void (*fp) (BIO *, int, const char *, int, long, long));
565 void *BIO_ptr_ctrl(BIO *bp, int cmd, long larg);
566 long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg);
567 BIO *BIO_push(BIO *b, BIO *append);
568 BIO *BIO_pop(BIO *b);
569 void BIO_free_all(BIO *a);
570 BIO *BIO_find_type(BIO *b, int bio_type);
571 BIO *BIO_next(BIO *b);
572 void BIO_set_next(BIO *b, BIO *next);
573 BIO *BIO_get_retry_BIO(BIO *bio, int *reason);
574 int BIO_get_retry_reason(BIO *bio);
575 void BIO_set_retry_reason(BIO *bio, int reason);
576 BIO *BIO_dup_chain(BIO *in);
578 int BIO_nread0(BIO *bio, char **buf);
579 int BIO_nread(BIO *bio, char **buf, int num);
580 int BIO_nwrite0(BIO *bio, char **buf);
581 int BIO_nwrite(BIO *bio, char **buf, int num);
583 long BIO_debug_callback(BIO *bio, int cmd, const char *argp, int argi,
584 long argl, long ret);
586 const BIO_METHOD *BIO_s_mem(void);
587 const BIO_METHOD *BIO_s_secmem(void);
588 BIO *BIO_new_mem_buf(const void *buf, int len);
589 # ifndef OPENSSL_NO_SOCK
590 const BIO_METHOD *BIO_s_socket(void);
591 const BIO_METHOD *BIO_s_connect(void);
592 const BIO_METHOD *BIO_s_accept(void);
594 const BIO_METHOD *BIO_s_fd(void);
595 const BIO_METHOD *BIO_s_log(void);
596 const BIO_METHOD *BIO_s_bio(void);
597 const BIO_METHOD *BIO_s_null(void);
598 const BIO_METHOD *BIO_f_null(void);
599 const BIO_METHOD *BIO_f_buffer(void);
600 const BIO_METHOD *BIO_f_linebuffer(void);
601 const BIO_METHOD *BIO_f_nbio_test(void);
602 # ifndef OPENSSL_NO_DGRAM
603 const BIO_METHOD *BIO_s_datagram(void);
604 int BIO_dgram_non_fatal_error(int error);
605 BIO *BIO_new_dgram(int fd, int close_flag);
606 # ifndef OPENSSL_NO_SCTP
607 const BIO_METHOD *BIO_s_datagram_sctp(void);
608 BIO *BIO_new_dgram_sctp(int fd, int close_flag);
609 int BIO_dgram_is_sctp(BIO *bio);
610 int BIO_dgram_sctp_notification_cb(BIO *b,
611 void (*handle_notifications) (BIO *bio,
615 int BIO_dgram_sctp_wait_for_dry(BIO *b);
616 int BIO_dgram_sctp_msg_waiting(BIO *b);
620 # ifndef OPENSSL_NO_SOCK
621 int BIO_sock_should_retry(int i);
622 int BIO_sock_non_fatal_error(int error);
625 int BIO_fd_should_retry(int i);
626 int BIO_fd_non_fatal_error(int error);
627 int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u),
628 void *u, const char *s, int len);
629 int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u),
630 void *u, const char *s, int len, int indent);
631 int BIO_dump(BIO *b, const char *bytes, int len);
632 int BIO_dump_indent(BIO *b, const char *bytes, int len, int indent);
633 # ifndef OPENSSL_NO_STDIO
634 int BIO_dump_fp(FILE *fp, const char *s, int len);
635 int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent);
637 int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data,
640 # ifndef OPENSSL_NO_SOCK
641 BIO_ADDR *BIO_ADDR_new(void);
642 int BIO_ADDR_rawmake(BIO_ADDR *ap, int family,
643 const void *where, size_t wherelen, unsigned short port);
644 void BIO_ADDR_free(BIO_ADDR *);
645 void BIO_ADDR_clear(BIO_ADDR *ap);
646 int BIO_ADDR_family(const BIO_ADDR *ap);
647 int BIO_ADDR_rawaddress(const BIO_ADDR *ap, void *p, size_t *l);
648 unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap);
649 char *BIO_ADDR_hostname_string(const BIO_ADDR *ap, int numeric);
650 char *BIO_ADDR_service_string(const BIO_ADDR *ap, int numeric);
651 char *BIO_ADDR_path_string(const BIO_ADDR *ap);
653 const BIO_ADDRINFO *BIO_ADDRINFO_next(const BIO_ADDRINFO *bai);
654 int BIO_ADDRINFO_family(const BIO_ADDRINFO *bai);
655 int BIO_ADDRINFO_socktype(const BIO_ADDRINFO *bai);
656 int BIO_ADDRINFO_protocol(const BIO_ADDRINFO *bai);
657 const BIO_ADDR *BIO_ADDRINFO_address(const BIO_ADDRINFO *bai);
658 void BIO_ADDRINFO_free(BIO_ADDRINFO *bai);
660 enum BIO_hostserv_priorities {
661 BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV
663 int BIO_parse_hostserv(const char *hostserv, char **host, char **service,
664 enum BIO_hostserv_priorities hostserv_prio);
665 enum BIO_lookup_type {
666 BIO_LOOKUP_CLIENT, BIO_LOOKUP_SERVER
668 int BIO_lookup(const char *host, const char *service,
669 enum BIO_lookup_type lookup_type,
670 int family, int socktype, BIO_ADDRINFO **res);
671 int BIO_sock_error(int sock);
672 int BIO_socket_ioctl(int fd, long type, void *arg);
673 int BIO_socket_nbio(int fd, int mode);
674 int BIO_sock_init(void);
675 # if OPENSSL_API_COMPAT < 0x10100000L
676 # define BIO_sock_cleanup() while(0) continue
678 int BIO_set_tcp_ndelay(int sock, int turn_on);
680 DEPRECATEDIN_1_1_0(struct hostent *BIO_gethostbyname(const char *name))
681 DEPRECATEDIN_1_1_0(int BIO_get_port(const char *str, unsigned short *port_ptr))
682 DEPRECATEDIN_1_1_0(int BIO_get_host_ip(const char *str, unsigned char *ip))
683 DEPRECATEDIN_1_1_0(int BIO_get_accept_socket(char *host_port, int mode))
684 DEPRECATEDIN_1_1_0(int BIO_accept(int sock, char **ip_port))
686 union BIO_sock_info_u {
689 enum BIO_sock_info_type {
690 BIO_SOCK_INFO_ADDRESS
692 int BIO_sock_info(int sock,
693 enum BIO_sock_info_type type, union BIO_sock_info_u *info);
695 # define BIO_SOCK_REUSEADDR 0x01
696 # define BIO_SOCK_V6_ONLY 0x02
697 # define BIO_SOCK_KEEPALIVE 0x04
698 # define BIO_SOCK_NONBLOCK 0x08
699 # define BIO_SOCK_NODELAY 0x10
701 int BIO_socket(int domain, int socktype, int protocol, int options);
702 int BIO_connect(int sock, const BIO_ADDR *addr, int options);
703 int BIO_listen(int sock, const BIO_ADDR *addr, int options);
704 int BIO_accept_ex(int accept_sock, BIO_ADDR *addr, int options);
705 int BIO_closesocket(int sock);
707 BIO *BIO_new_socket(int sock, int close_flag);
708 BIO *BIO_new_connect(const char *host_port);
709 BIO *BIO_new_accept(const char *host_port);
710 # endif /* OPENSSL_NO_SOCK*/
712 BIO *BIO_new_fd(int fd, int close_flag);
714 int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
715 BIO **bio2, size_t writebuf2);
717 * If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
718 * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. Size 0 uses default
722 void BIO_copy_next_retry(BIO *b);
725 * long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);
729 # define __bio_h__attr__ __attribute__
731 # define __bio_h__attr__(x)
733 int BIO_printf(BIO *bio, const char *format, ...)
734 __bio_h__attr__((__format__(__printf__, 2, 3)));
735 int BIO_vprintf(BIO *bio, const char *format, va_list args)
736 __bio_h__attr__((__format__(__printf__, 2, 0)));
737 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
738 __bio_h__attr__((__format__(__printf__, 3, 4)));
739 int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
740 __bio_h__attr__((__format__(__printf__, 3, 0)));
741 # undef __bio_h__attr__
744 BIO_METHOD *BIO_meth_new(int type, const char *name);
745 void BIO_meth_free(BIO_METHOD *biom);
746 int (*BIO_meth_get_write(BIO_METHOD *biom)) (BIO *, const char *, int);
747 int (*BIO_meth_get_write_ex(BIO_METHOD *biom)) (BIO *, const char *, size_t,
749 int BIO_meth_set_write(BIO_METHOD *biom,
750 int (*write) (BIO *, const char *, int));
751 int BIO_meth_set_write_ex(BIO_METHOD *biom,
752 int (*bwrite) (BIO *, const char *, size_t, size_t *));
753 int (*BIO_meth_get_read(BIO_METHOD *biom)) (BIO *, char *, int);
754 int (*BIO_meth_get_read_ex(BIO_METHOD *biom)) (BIO *, char *, size_t, size_t *);
755 int BIO_meth_set_read(BIO_METHOD *biom,
756 int (*read) (BIO *, char *, int));
757 int BIO_meth_set_read_ex(BIO_METHOD *biom,
758 int (*bread) (BIO *, char *, size_t, size_t *));
759 int (*BIO_meth_get_puts(BIO_METHOD *biom)) (BIO *, const char *);
760 int BIO_meth_set_puts(BIO_METHOD *biom,
761 int (*puts) (BIO *, const char *));
762 int (*BIO_meth_get_gets(BIO_METHOD *biom)) (BIO *, char *, int);
763 int BIO_meth_set_gets(BIO_METHOD *biom,
764 int (*gets) (BIO *, char *, int));
765 long (*BIO_meth_get_ctrl(BIO_METHOD *biom)) (BIO *, int, long, void *);
766 int BIO_meth_set_ctrl(BIO_METHOD *biom,
767 long (*ctrl) (BIO *, int, long, void *));
768 int (*BIO_meth_get_create(BIO_METHOD *bion)) (BIO *);
769 int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *));
770 int (*BIO_meth_get_destroy(BIO_METHOD *biom)) (BIO *);
771 int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *));
772 long (*BIO_meth_get_callback_ctrl(BIO_METHOD *biom))
773 (BIO *, int, bio_info_cb *);
774 int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
775 long (*callback_ctrl) (BIO *, int,
778 /* BEGIN ERROR CODES */
780 * The following lines are auto generated by the script mkerr.pl. Any changes
781 * made after this point may be overwritten when the script is next run.
784 int ERR_load_BIO_strings(void);
786 /* Error codes for the BIO functions. */
788 /* Function codes. */
789 # define BIO_F_ACPT_STATE 100
790 # define BIO_F_ADDR_STRINGS 134
791 # define BIO_F_BIO_ACCEPT 101
792 # define BIO_F_BIO_ACCEPT_EX 137
793 # define BIO_F_BIO_ADDR_NEW 144
794 # define BIO_F_BIO_CALLBACK_CTRL 131
795 # define BIO_F_BIO_CONNECT 138
796 # define BIO_F_BIO_CTRL 103
797 # define BIO_F_BIO_GETS 104
798 # define BIO_F_BIO_GET_HOST_IP 106
799 # define BIO_F_BIO_GET_NEW_INDEX 102
800 # define BIO_F_BIO_GET_PORT 107
801 # define BIO_F_BIO_LISTEN 139
802 # define BIO_F_BIO_LOOKUP 135
803 # define BIO_F_BIO_MAKE_PAIR 121
804 # define BIO_F_BIO_NEW 108
805 # define BIO_F_BIO_NEW_FILE 109
806 # define BIO_F_BIO_NEW_MEM_BUF 126
807 # define BIO_F_BIO_NREAD 123
808 # define BIO_F_BIO_NREAD0 124
809 # define BIO_F_BIO_NWRITE 125
810 # define BIO_F_BIO_NWRITE0 122
811 # define BIO_F_BIO_PARSE_HOSTSERV 136
812 # define BIO_F_BIO_PUTS 110
813 # define BIO_F_BIO_READ 111
814 # define BIO_F_BIO_READ_EX 105
815 # define BIO_F_BIO_SOCKET 140
816 # define BIO_F_BIO_SOCKET_NBIO 142
817 # define BIO_F_BIO_SOCK_INFO 141
818 # define BIO_F_BIO_SOCK_INIT 112
819 # define BIO_F_BIO_WRITE 113
820 # define BIO_F_BIO_WRITE_EX 119
821 # define BIO_F_BUFFER_CTRL 114
822 # define BIO_F_CONN_CTRL 127
823 # define BIO_F_CONN_STATE 115
824 # define BIO_F_DGRAM_SCTP_READ 132
825 # define BIO_F_DGRAM_SCTP_WRITE 133
826 # define BIO_F_FILE_CTRL 116
827 # define BIO_F_FILE_READ 130
828 # define BIO_F_LINEBUFFER_CTRL 129
829 # define BIO_F_MEM_WRITE 117
830 # define BIO_F_SSL_NEW 118
833 # define BIO_R_ACCEPT_ERROR 100
834 # define BIO_R_ADDRINFO_ADDR_IS_NOT_AF_INET 141
835 # define BIO_R_AMBIGUOUS_HOST_OR_SERVICE 129
836 # define BIO_R_BAD_FOPEN_MODE 101
837 # define BIO_R_BROKEN_PIPE 124
838 # define BIO_R_CONNECT_ERROR 103
839 # define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET 107
840 # define BIO_R_GETSOCKNAME_ERROR 132
841 # define BIO_R_GETSOCKNAME_TRUNCATED_ADDRESS 133
842 # define BIO_R_GETTING_SOCKTYPE 134
843 # define BIO_R_INVALID_ARGUMENT 125
844 # define BIO_R_INVALID_SOCKET 135
845 # define BIO_R_IN_USE 123
846 # define BIO_R_LISTEN_V6_ONLY 136
847 # define BIO_R_LOOKUP_RETURNED_NOTHING 142
848 # define BIO_R_MALFORMED_HOST_OR_SERVICE 130
849 # define BIO_R_NBIO_CONNECT_ERROR 110
850 # define BIO_R_NO_ACCEPT_ADDR_OR_SERVICE_SPECIFIED 143
851 # define BIO_R_NO_HOSTNAME_OR_SERVICE_SPECIFIED 144
852 # define BIO_R_NO_PORT_DEFINED 113
853 # define BIO_R_NO_SUCH_FILE 128
854 # define BIO_R_NULL_PARAMETER 115
855 # define BIO_R_UNABLE_TO_BIND_SOCKET 117
856 # define BIO_R_UNABLE_TO_CREATE_SOCKET 118
857 # define BIO_R_UNABLE_TO_KEEPALIVE 137
858 # define BIO_R_UNABLE_TO_LISTEN_SOCKET 119
859 # define BIO_R_UNABLE_TO_NODELAY 138
860 # define BIO_R_UNABLE_TO_REUSEADDR 139
861 # define BIO_R_UNAVAILABLE_IP_FAMILY 145
862 # define BIO_R_UNINITIALIZED 120
863 # define BIO_R_UNKNOWN_INFO_TYPE 140
864 # define BIO_R_UNSUPPORTED_IP_FAMILY 146
865 # define BIO_R_UNSUPPORTED_METHOD 121
866 # define BIO_R_UNSUPPORTED_PROTOCOL_FAMILY 131
867 # define BIO_R_WRITE_TO_READ_ONLY_BIO 126
868 # define BIO_R_WSASTARTUP 122