1 /*
2  * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
3  *
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
8  */
9 
10 #ifndef HEADER_BIO_H
11 # define HEADER_BIO_H
12 
13 # include <openssl/e_os2.h>
14 
15 # ifndef OPENSSL_NO_STDIO
16 #  include <stdio.h>
17 # endif
18 # include <stdarg.h>
19 
20 # include <openssl/crypto.h>
21 
22 # ifndef OPENSSL_NO_SCTP
23 #  include <openssl/e_os2.h>
24 # endif
25 
26 #ifdef  __cplusplus
27 extern "C" {
28 #endif
29 
30 /* There are the classes of BIOs */
31 # define BIO_TYPE_DESCRIPTOR     0x0100 /* socket, fd, connect or accept */
32 # define BIO_TYPE_FILTER         0x0200
33 # define BIO_TYPE_SOURCE_SINK    0x0400
34 
35 /* These are the 'types' of BIOs */
36 # define BIO_TYPE_NONE             0
37 # define BIO_TYPE_MEM            ( 1|BIO_TYPE_SOURCE_SINK)
38 # define BIO_TYPE_FILE           ( 2|BIO_TYPE_SOURCE_SINK)
39 
40 # define BIO_TYPE_FD             ( 4|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
41 # define BIO_TYPE_SOCKET         ( 5|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
42 # define BIO_TYPE_NULL           ( 6|BIO_TYPE_SOURCE_SINK)
43 # define BIO_TYPE_SSL            ( 7|BIO_TYPE_FILTER)
44 # define BIO_TYPE_MD             ( 8|BIO_TYPE_FILTER)
45 # define BIO_TYPE_BUFFER         ( 9|BIO_TYPE_FILTER)
46 # define BIO_TYPE_CIPHER         (10|BIO_TYPE_FILTER)
47 # define BIO_TYPE_BASE64         (11|BIO_TYPE_FILTER)
48 # define BIO_TYPE_CONNECT        (12|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
49 # define BIO_TYPE_ACCEPT         (13|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
50 
51 # define BIO_TYPE_NBIO_TEST      (16|BIO_TYPE_FILTER)/* server proxy BIO */
52 # define BIO_TYPE_NULL_FILTER    (17|BIO_TYPE_FILTER)
53 # define BIO_TYPE_BIO            (19|BIO_TYPE_SOURCE_SINK)/* half a BIO pair */
54 # define BIO_TYPE_LINEBUFFER     (20|BIO_TYPE_FILTER)
55 # define BIO_TYPE_DGRAM          (21|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
56 # define BIO_TYPE_ASN1           (22|BIO_TYPE_FILTER)
57 # define BIO_TYPE_COMP           (23|BIO_TYPE_FILTER)
58 # ifndef OPENSSL_NO_SCTP
59 #  define BIO_TYPE_DGRAM_SCTP    (24|BIO_TYPE_SOURCE_SINK|BIO_TYPE_DESCRIPTOR)
60 # endif
61 
62 #define BIO_TYPE_START           128
63 
64 /*
65  * BIO_FILENAME_READ|BIO_CLOSE to open or close on free.
66  * BIO_set_fp(in,stdin,BIO_NOCLOSE);
67  */
68 # define BIO_NOCLOSE             0x00
69 # define BIO_CLOSE               0x01
70 
71 /*
72  * These are used in the following macros and are passed to BIO_ctrl()
73  */
74 # define BIO_CTRL_RESET          1/* opt - rewind/zero etc */
75 # define BIO_CTRL_EOF            2/* opt - are we at the eof */
76 # define BIO_CTRL_INFO           3/* opt - extra tit-bits */
77 # define BIO_CTRL_SET            4/* man - set the 'IO' type */
78 # define BIO_CTRL_GET            5/* man - get the 'IO' type */
79 # define BIO_CTRL_PUSH           6/* opt - internal, used to signify change */
80 # define BIO_CTRL_POP            7/* opt - internal, used to signify change */
81 # define BIO_CTRL_GET_CLOSE      8/* man - set the 'close' on free */
82 # define BIO_CTRL_SET_CLOSE      9/* man - set the 'close' on free */
83 # define BIO_CTRL_PENDING        10/* opt - is their more data buffered */
84 # define BIO_CTRL_FLUSH          11/* opt - 'flush' buffered output */
85 # define BIO_CTRL_DUP            12/* man - extra stuff for 'duped' BIO */
86 # define BIO_CTRL_WPENDING       13/* opt - number of bytes still to write */
87 # define BIO_CTRL_SET_CALLBACK   14/* opt - set callback function */
88 # define BIO_CTRL_GET_CALLBACK   15/* opt - set callback function */
89 
90 # define BIO_CTRL_SET_FILENAME   30/* BIO_s_file special */
91 
92 /* dgram BIO stuff */
93 # define BIO_CTRL_DGRAM_CONNECT       31/* BIO dgram special */
94 # define BIO_CTRL_DGRAM_SET_CONNECTED 32/* allow for an externally connected
95                                          * socket to be passed in */
96 # define BIO_CTRL_DGRAM_SET_RECV_TIMEOUT 33/* setsockopt, essentially */
97 # define BIO_CTRL_DGRAM_GET_RECV_TIMEOUT 34/* getsockopt, essentially */
98 # define BIO_CTRL_DGRAM_SET_SEND_TIMEOUT 35/* setsockopt, essentially */
99 # define BIO_CTRL_DGRAM_GET_SEND_TIMEOUT 36/* getsockopt, essentially */
100 
101 # define BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP 37/* flag whether the last */
102 # define BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP 38/* I/O operation tiemd out */
103 
104 /* #ifdef IP_MTU_DISCOVER */
105 # define BIO_CTRL_DGRAM_MTU_DISCOVER       39/* set DF bit on egress packets */
106 /* #endif */
107 
108 # define BIO_CTRL_DGRAM_QUERY_MTU          40/* as kernel for current MTU */
109 # define BIO_CTRL_DGRAM_GET_FALLBACK_MTU   47
110 # define BIO_CTRL_DGRAM_GET_MTU            41/* get cached value for MTU */
111 # define BIO_CTRL_DGRAM_SET_MTU            42/* set cached value for MTU.
112                                               * want to use this if asking
113                                               * the kernel fails */
114 
115 # define BIO_CTRL_DGRAM_MTU_EXCEEDED       43/* check whether the MTU was
116                                               * exceed in the previous write
117                                               * operation */
118 
119 # define BIO_CTRL_DGRAM_GET_PEER           46
120 # define BIO_CTRL_DGRAM_SET_PEER           44/* Destination for the data */
121 
122 # define BIO_CTRL_DGRAM_SET_NEXT_TIMEOUT   45/* Next DTLS handshake timeout
123                                               * to adjust socket timeouts */
124 # define BIO_CTRL_DGRAM_SET_DONT_FRAG      48
125 
126 # define BIO_CTRL_DGRAM_GET_MTU_OVERHEAD   49
127 
128 # define BIO_CTRL_DGRAM_SET_PEEK_MODE      50
129 
130 # ifndef OPENSSL_NO_SCTP
131 /* SCTP stuff */
132 #  define BIO_CTRL_DGRAM_SCTP_SET_IN_HANDSHAKE    50
133 #  define BIO_CTRL_DGRAM_SCTP_ADD_AUTH_KEY                51
134 #  define BIO_CTRL_DGRAM_SCTP_NEXT_AUTH_KEY               52
135 #  define BIO_CTRL_DGRAM_SCTP_AUTH_CCS_RCVD               53
136 #  define BIO_CTRL_DGRAM_SCTP_GET_SNDINFO         60
137 #  define BIO_CTRL_DGRAM_SCTP_SET_SNDINFO         61
138 #  define BIO_CTRL_DGRAM_SCTP_GET_RCVINFO         62
139 #  define BIO_CTRL_DGRAM_SCTP_SET_RCVINFO         63
140 #  define BIO_CTRL_DGRAM_SCTP_GET_PRINFO                  64
141 #  define BIO_CTRL_DGRAM_SCTP_SET_PRINFO                  65
142 #  define BIO_CTRL_DGRAM_SCTP_SAVE_SHUTDOWN               70
143 # endif
144 
145 /* modifiers */
146 # define BIO_FP_READ             0x02
147 # define BIO_FP_WRITE            0x04
148 # define BIO_FP_APPEND           0x08
149 # define BIO_FP_TEXT             0x10
150 
151 # define BIO_FLAGS_READ          0x01
152 # define BIO_FLAGS_WRITE         0x02
153 # define BIO_FLAGS_IO_SPECIAL    0x04
154 # define BIO_FLAGS_RWS (BIO_FLAGS_READ|BIO_FLAGS_WRITE|BIO_FLAGS_IO_SPECIAL)
155 # define BIO_FLAGS_SHOULD_RETRY  0x08
156 # ifndef BIO_FLAGS_UPLINK
157 /*
158  * "UPLINK" flag denotes file descriptors provided by application. It
159  * defaults to 0, as most platforms don't require UPLINK interface.
160  */
161 #  define BIO_FLAGS_UPLINK        0
162 # endif
163 
164 # define BIO_FLAGS_BASE64_NO_NL  0x100
165 
166 /*
167  * This is used with memory BIOs:
168  * BIO_FLAGS_MEM_RDONLY means we shouldn't free up or change the data in any way;
169  * BIO_FLAGS_NONCLEAR_RST means we shouldn't clear data on reset.
170  */
171 # define BIO_FLAGS_MEM_RDONLY    0x200
172 # define BIO_FLAGS_NONCLEAR_RST  0x400
173 
174 typedef union bio_addr_st BIO_ADDR;
175 typedef struct bio_addrinfo_st BIO_ADDRINFO;
176 
177 int BIO_get_new_index(void);
178 void BIO_set_flags(BIO *b, int flags);
179 int BIO_test_flags(const BIO *b, int flags);
180 void BIO_clear_flags(BIO *b, int flags);
181 
182 # define BIO_get_flags(b) BIO_test_flags(b, ~(0x0))
183 # define BIO_set_retry_special(b) \
184                 BIO_set_flags(b, (BIO_FLAGS_IO_SPECIAL|BIO_FLAGS_SHOULD_RETRY))
185 # define BIO_set_retry_read(b) \
186                 BIO_set_flags(b, (BIO_FLAGS_READ|BIO_FLAGS_SHOULD_RETRY))
187 # define BIO_set_retry_write(b) \
188                 BIO_set_flags(b, (BIO_FLAGS_WRITE|BIO_FLAGS_SHOULD_RETRY))
189 
190 /* These are normally used internally in BIOs */
191 # define BIO_clear_retry_flags(b) \
192                 BIO_clear_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
193 # define BIO_get_retry_flags(b) \
194                 BIO_test_flags(b, (BIO_FLAGS_RWS|BIO_FLAGS_SHOULD_RETRY))
195 
196 /* These should be used by the application to tell why we should retry */
197 # define BIO_should_read(a)              BIO_test_flags(a, BIO_FLAGS_READ)
198 # define BIO_should_write(a)             BIO_test_flags(a, BIO_FLAGS_WRITE)
199 # define BIO_should_io_special(a)        BIO_test_flags(a, BIO_FLAGS_IO_SPECIAL)
200 # define BIO_retry_type(a)               BIO_test_flags(a, BIO_FLAGS_RWS)
201 # define BIO_should_retry(a)             BIO_test_flags(a, BIO_FLAGS_SHOULD_RETRY)
202 
203 /*
204  * The next three are used in conjunction with the BIO_should_io_special()
205  * condition.  After this returns true, BIO *BIO_get_retry_BIO(BIO *bio, int
206  * *reason); will walk the BIO stack and return the 'reason' for the special
207  * and the offending BIO. Given a BIO, BIO_get_retry_reason(bio) will return
208  * the code.
209  */
210 /*
211  * Returned from the SSL bio when the certificate retrieval code had an error
212  */
213 # define BIO_RR_SSL_X509_LOOKUP          0x01
214 /* Returned from the connect BIO when a connect would have blocked */
215 # define BIO_RR_CONNECT                  0x02
216 /* Returned from the accept BIO when an accept would have blocked */
217 # define BIO_RR_ACCEPT                   0x03
218 
219 /* These are passed by the BIO callback */
220 # define BIO_CB_FREE     0x01
221 # define BIO_CB_READ     0x02
222 # define BIO_CB_WRITE    0x03
223 # define BIO_CB_PUTS     0x04
224 # define BIO_CB_GETS     0x05
225 # define BIO_CB_CTRL     0x06
226 
227 /*
228  * The callback is called before and after the underling operation, The
229  * BIO_CB_RETURN flag indicates if it is after the call
230  */
231 # define BIO_CB_RETURN   0x80
232 # define BIO_CB_return(a) ((a)|BIO_CB_RETURN)
233 # define BIO_cb_pre(a)   (!((a)&BIO_CB_RETURN))
234 # define BIO_cb_post(a)  ((a)&BIO_CB_RETURN)
235 
236 typedef long (*BIO_callback_fn)(BIO *b, int oper, const char *argp, int argi,
237                                 long argl, long ret);
238 BIO_callback_fn BIO_get_callback(const BIO *b);
239 void BIO_set_callback(BIO *b, BIO_callback_fn callback);
240 char *BIO_get_callback_arg(const BIO *b);
241 void BIO_set_callback_arg(BIO *b, char *arg);
242 
243 typedef struct bio_method_st BIO_METHOD;
244 
245 const char *BIO_method_name(const BIO *b);
246 int BIO_method_type(const BIO *b);
247 
248 typedef void bio_info_cb(BIO *, int, const char *, int, long, long);
249 
250 DEFINE_STACK_OF(BIO)
251 
252 /* Prefix and suffix callback in ASN1 BIO */
253 typedef int asn1_ps_func (BIO *b, unsigned char **pbuf, int *plen,
254                           void *parg);
255 
256 # ifndef OPENSSL_NO_SCTP
257 /* SCTP parameter structs */
258 struct bio_dgram_sctp_sndinfo {
259     uint16_t snd_sid;
260     uint16_t snd_flags;
261     uint32_t snd_ppid;
262     uint32_t snd_context;
263 };
264 
265 struct bio_dgram_sctp_rcvinfo {
266     uint16_t rcv_sid;
267     uint16_t rcv_ssn;
268     uint16_t rcv_flags;
269     uint32_t rcv_ppid;
270     uint32_t rcv_tsn;
271     uint32_t rcv_cumtsn;
272     uint32_t rcv_context;
273 };
274 
275 struct bio_dgram_sctp_prinfo {
276     uint16_t pr_policy;
277     uint32_t pr_value;
278 };
279 # endif
280 
281 /*
282  * #define BIO_CONN_get_param_hostname BIO_ctrl
283  */
284 
285 # define BIO_C_SET_CONNECT                       100
286 # define BIO_C_DO_STATE_MACHINE                  101
287 # define BIO_C_SET_NBIO                          102
288 /* # define BIO_C_SET_PROXY_PARAM                   103 */
289 # define BIO_C_SET_FD                            104
290 # define BIO_C_GET_FD                            105
291 # define BIO_C_SET_FILE_PTR                      106
292 # define BIO_C_GET_FILE_PTR                      107
293 # define BIO_C_SET_FILENAME                      108
294 # define BIO_C_SET_SSL                           109
295 # define BIO_C_GET_SSL                           110
296 # define BIO_C_SET_MD                            111
297 # define BIO_C_GET_MD                            112
298 # define BIO_C_GET_CIPHER_STATUS                 113
299 # define BIO_C_SET_BUF_MEM                       114
300 # define BIO_C_GET_BUF_MEM_PTR                   115
301 # define BIO_C_GET_BUFF_NUM_LINES                116
302 # define BIO_C_SET_BUFF_SIZE                     117
303 # define BIO_C_SET_ACCEPT                        118
304 # define BIO_C_SSL_MODE                          119
305 # define BIO_C_GET_MD_CTX                        120
306 /* # define BIO_C_GET_PROXY_PARAM                   121 */
307 # define BIO_C_SET_BUFF_READ_DATA                122/* data to read first */
308 # define BIO_C_GET_CONNECT                       123
309 # define BIO_C_GET_ACCEPT                        124
310 # define BIO_C_SET_SSL_RENEGOTIATE_BYTES         125
311 # define BIO_C_GET_SSL_NUM_RENEGOTIATES          126
312 # define BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT       127
313 # define BIO_C_FILE_SEEK                         128
314 # define BIO_C_GET_CIPHER_CTX                    129
315 # define BIO_C_SET_BUF_MEM_EOF_RETURN            130/* return end of input
316                                                      * value */
317 # define BIO_C_SET_BIND_MODE                     131
318 # define BIO_C_GET_BIND_MODE                     132
319 # define BIO_C_FILE_TELL                         133
320 # define BIO_C_GET_SOCKS                         134
321 # define BIO_C_SET_SOCKS                         135
322 
323 # define BIO_C_SET_WRITE_BUF_SIZE                136/* for BIO_s_bio */
324 # define BIO_C_GET_WRITE_BUF_SIZE                137
325 # define BIO_C_MAKE_BIO_PAIR                     138
326 # define BIO_C_DESTROY_BIO_PAIR                  139
327 # define BIO_C_GET_WRITE_GUARANTEE               140
328 # define BIO_C_GET_READ_REQUEST                  141
329 # define BIO_C_SHUTDOWN_WR                       142
330 # define BIO_C_NREAD0                            143
331 # define BIO_C_NREAD                             144
332 # define BIO_C_NWRITE0                           145
333 # define BIO_C_NWRITE                            146
334 # define BIO_C_RESET_READ_REQUEST                147
335 # define BIO_C_SET_MD_CTX                        148
336 
337 # define BIO_C_SET_PREFIX                        149
338 # define BIO_C_GET_PREFIX                        150
339 # define BIO_C_SET_SUFFIX                        151
340 # define BIO_C_GET_SUFFIX                        152
341 
342 # define BIO_C_SET_EX_ARG                        153
343 # define BIO_C_GET_EX_ARG                        154
344 
345 # define BIO_C_SET_CONNECT_MODE                  155
346 
347 # define BIO_set_app_data(s,arg)         BIO_set_ex_data(s,0,arg)
348 # define BIO_get_app_data(s)             BIO_get_ex_data(s,0)
349 
350 # define BIO_set_nbio(b,n)             BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL)
351 
352 # ifndef OPENSSL_NO_SOCK
353 /* IP families we support, for BIO_s_connect() and BIO_s_accept() */
354 /* Note: the underlying operating system may not support some of them */
355 #  define BIO_FAMILY_IPV4                         4
356 #  define BIO_FAMILY_IPV6                         6
357 #  define BIO_FAMILY_IPANY                        256
358 
359 /* BIO_s_connect() */
360 #  define BIO_set_conn_hostname(b,name) BIO_ctrl(b,BIO_C_SET_CONNECT,0,(char *)name)
361 #  define BIO_set_conn_port(b,port)     BIO_ctrl(b,BIO_C_SET_CONNECT,1,(char *)port)
362 #  define BIO_set_conn_address(b,addr)  BIO_ctrl(b,BIO_C_SET_CONNECT,2,(char *)addr)
363 #  define BIO_set_conn_ip_family(b,f)   BIO_int_ctrl(b,BIO_C_SET_CONNECT,3,f)
364 #  define BIO_get_conn_hostname(b)      ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,0))
365 #  define BIO_get_conn_port(b)          ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,1))
366 #  define BIO_get_conn_address(b)       ((const BIO_ADDR *)BIO_ptr_ctrl(b,BIO_C_GET_CONNECT,2))
367 #  define BIO_get_conn_ip_family(b)     BIO_ctrl(b,BIO_C_GET_CONNECT,3,NULL)
368 #  define BIO_set_conn_mode(b,n)        BIO_ctrl(b,BIO_C_SET_CONNECT_MODE,(n),NULL)
369 
370 /* BIO_s_accept() */
371 #  define BIO_set_accept_name(b,name)   BIO_ctrl(b,BIO_C_SET_ACCEPT,0,(char *)name)
372 #  define BIO_set_accept_port(b,port)   BIO_ctrl(b,BIO_C_SET_ACCEPT,1,(char *)port)
373 #  define BIO_get_accept_name(b)        ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,0))
374 #  define BIO_get_accept_port(b)        ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,1))
375 #  define BIO_get_peer_name(b)          ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,2))
376 #  define BIO_get_peer_port(b)          ((const char *)BIO_ptr_ctrl(b,BIO_C_GET_ACCEPT,3))
377 /* #define BIO_set_nbio(b,n)    BIO_ctrl(b,BIO_C_SET_NBIO,(n),NULL) */
378 #  define BIO_set_nbio_accept(b,n)      BIO_ctrl(b,BIO_C_SET_ACCEPT,2,(n)?(void *)"a":NULL)
379 #  define BIO_set_accept_bios(b,bio)    BIO_ctrl(b,BIO_C_SET_ACCEPT,3,(char *)bio)
380 #  define BIO_set_accept_ip_family(b,f) BIO_int_ctrl(b,BIO_C_SET_ACCEPT,4,f)
381 #  define BIO_get_accept_ip_family(b)   BIO_ctrl(b,BIO_C_GET_ACCEPT,4,NULL)
382 
383 /* Aliases kept for backward compatibility */
384 #  define BIO_BIND_NORMAL                 0
385 #  define BIO_BIND_REUSEADDR              BIO_SOCK_REUSEADDR
386 #  define BIO_BIND_REUSEADDR_IF_UNUSED    BIO_SOCK_REUSEADDR
387 #  define BIO_set_bind_mode(b,mode) BIO_ctrl(b,BIO_C_SET_BIND_MODE,mode,NULL)
388 #  define BIO_get_bind_mode(b)    BIO_ctrl(b,BIO_C_GET_BIND_MODE,0,NULL)
389 
390 /* BIO_s_accept() and BIO_s_connect() */
391 #  define BIO_do_connect(b)       BIO_do_handshake(b)
392 #  define BIO_do_accept(b)        BIO_do_handshake(b)
393 # endif /* OPENSSL_NO_SOCK */
394 
395 # define BIO_do_handshake(b)     BIO_ctrl(b,BIO_C_DO_STATE_MACHINE,0,NULL)
396 
397 /* BIO_s_datagram(), BIO_s_fd(), BIO_s_socket(), BIO_s_accept() and BIO_s_connect() */
398 # define BIO_set_fd(b,fd,c)      BIO_int_ctrl(b,BIO_C_SET_FD,c,fd)
399 # define BIO_get_fd(b,c)         BIO_ctrl(b,BIO_C_GET_FD,0,(char *)c)
400 
401 /* BIO_s_file() */
402 # define BIO_set_fp(b,fp,c)      BIO_ctrl(b,BIO_C_SET_FILE_PTR,c,(char *)fp)
403 # define BIO_get_fp(b,fpp)       BIO_ctrl(b,BIO_C_GET_FILE_PTR,0,(char *)fpp)
404 
405 /* BIO_s_fd() and BIO_s_file() */
406 # define BIO_seek(b,ofs) (int)BIO_ctrl(b,BIO_C_FILE_SEEK,ofs,NULL)
407 # define BIO_tell(b)     (int)BIO_ctrl(b,BIO_C_FILE_TELL,0,NULL)
408 
409 /*
410  * name is cast to lose const, but might be better to route through a
411  * function so we can do it safely
412  */
413 # ifdef CONST_STRICT
414 /*
415  * If you are wondering why this isn't defined, its because CONST_STRICT is
416  * purely a compile-time kludge to allow const to be checked.
417  */
418 int BIO_read_filename(BIO *b, const char *name);
419 # else
420 #  define BIO_read_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
421                 BIO_CLOSE|BIO_FP_READ,(char *)name)
422 # endif
423 # define BIO_write_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
424                 BIO_CLOSE|BIO_FP_WRITE,name)
425 # define BIO_append_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
426                 BIO_CLOSE|BIO_FP_APPEND,name)
427 # define BIO_rw_filename(b,name) (int)BIO_ctrl(b,BIO_C_SET_FILENAME, \
428                 BIO_CLOSE|BIO_FP_READ|BIO_FP_WRITE,name)
429 
430 /*
431  * WARNING WARNING, this ups the reference count on the read bio of the SSL
432  * structure.  This is because the ssl read BIO is now pointed to by the
433  * next_bio field in the bio.  So when you free the BIO, make sure you are
434  * doing a BIO_free_all() to catch the underlying BIO.
435  */
436 # define BIO_set_ssl(b,ssl,c)    BIO_ctrl(b,BIO_C_SET_SSL,c,(char *)ssl)
437 # define BIO_get_ssl(b,sslp)     BIO_ctrl(b,BIO_C_GET_SSL,0,(char *)sslp)
438 # define BIO_set_ssl_mode(b,client)      BIO_ctrl(b,BIO_C_SSL_MODE,client,NULL)
439 # define BIO_set_ssl_renegotiate_bytes(b,num) \
440         BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_BYTES,num,NULL)
441 # define BIO_get_num_renegotiates(b) \
442         BIO_ctrl(b,BIO_C_GET_SSL_NUM_RENEGOTIATES,0,NULL)
443 # define BIO_set_ssl_renegotiate_timeout(b,seconds) \
444         BIO_ctrl(b,BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT,seconds,NULL)
445 
446 /* defined in evp.h */
447 /* #define BIO_set_md(b,md)     BIO_ctrl(b,BIO_C_SET_MD,1,(char *)md) */
448 
449 # define BIO_get_mem_data(b,pp)  BIO_ctrl(b,BIO_CTRL_INFO,0,(char *)pp)
450 # define BIO_set_mem_buf(b,bm,c) BIO_ctrl(b,BIO_C_SET_BUF_MEM,c,(char *)bm)
451 # define BIO_get_mem_ptr(b,pp)   BIO_ctrl(b,BIO_C_GET_BUF_MEM_PTR,0,(char *)pp)
452 # define BIO_set_mem_eof_return(b,v) \
453                                 BIO_ctrl(b,BIO_C_SET_BUF_MEM_EOF_RETURN,v,NULL)
454 
455 /* For the BIO_f_buffer() type */
456 # define BIO_get_buffer_num_lines(b)     BIO_ctrl(b,BIO_C_GET_BUFF_NUM_LINES,0,NULL)
457 # define BIO_set_buffer_size(b,size)     BIO_ctrl(b,BIO_C_SET_BUFF_SIZE,size,NULL)
458 # define BIO_set_read_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,0)
459 # define BIO_set_write_buffer_size(b,size) BIO_int_ctrl(b,BIO_C_SET_BUFF_SIZE,size,1)
460 # define BIO_set_buffer_read_data(b,buf,num) BIO_ctrl(b,BIO_C_SET_BUFF_READ_DATA,num,buf)
461 
462 /* Don't use the next one unless you know what you are doing :-) */
463 # define BIO_dup_state(b,ret)    BIO_ctrl(b,BIO_CTRL_DUP,0,(char *)(ret))
464 
465 # define BIO_reset(b)            (int)BIO_ctrl(b,BIO_CTRL_RESET,0,NULL)
466 # define BIO_eof(b)              (int)BIO_ctrl(b,BIO_CTRL_EOF,0,NULL)
467 # define BIO_set_close(b,c)      (int)BIO_ctrl(b,BIO_CTRL_SET_CLOSE,(c),NULL)
468 # define BIO_get_close(b)        (int)BIO_ctrl(b,BIO_CTRL_GET_CLOSE,0,NULL)
469 # define BIO_pending(b)          (int)BIO_ctrl(b,BIO_CTRL_PENDING,0,NULL)
470 # define BIO_wpending(b)         (int)BIO_ctrl(b,BIO_CTRL_WPENDING,0,NULL)
471 /* ...pending macros have inappropriate return type */
472 size_t BIO_ctrl_pending(BIO *b);
473 size_t BIO_ctrl_wpending(BIO *b);
474 # define BIO_flush(b)            (int)BIO_ctrl(b,BIO_CTRL_FLUSH,0,NULL)
475 # define BIO_get_info_callback(b,cbp) (int)BIO_ctrl(b,BIO_CTRL_GET_CALLBACK,0, \
476                                                    cbp)
477 # define BIO_set_info_callback(b,cb) (int)BIO_callback_ctrl(b,BIO_CTRL_SET_CALLBACK,cb)
478 
479 /* For the BIO_f_buffer() type */
480 # define BIO_buffer_get_num_lines(b) BIO_ctrl(b,BIO_CTRL_GET,0,NULL)
481 
482 /* For BIO_s_bio() */
483 # define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
484 # define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
485 # define BIO_make_bio_pair(b1,b2)   (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
486 # define BIO_destroy_bio_pair(b)    (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
487 # define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
488 /* macros with inappropriate type -- but ...pending macros use int too: */
489 # define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
490 # define BIO_get_read_request(b)    (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
491 size_t BIO_ctrl_get_write_guarantee(BIO *b);
492 size_t BIO_ctrl_get_read_request(BIO *b);
493 int BIO_ctrl_reset_read_request(BIO *b);
494 
495 /* ctrl macros for dgram */
496 # define BIO_ctrl_dgram_connect(b,peer)  \
497                      (int)BIO_ctrl(b,BIO_CTRL_DGRAM_CONNECT,0, (char *)peer)
498 # define BIO_ctrl_set_connected(b,peer) \
499          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_CONNECTED, 0, (char *)peer)
500 # define BIO_dgram_recv_timedout(b) \
501          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_RECV_TIMER_EXP, 0, NULL)
502 # define BIO_dgram_send_timedout(b) \
503          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_SEND_TIMER_EXP, 0, NULL)
504 # define BIO_dgram_get_peer(b,peer) \
505          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_GET_PEER, 0, (char *)peer)
506 # define BIO_dgram_set_peer(b,peer) \
507          (int)BIO_ctrl(b, BIO_CTRL_DGRAM_SET_PEER, 0, (char *)peer)
508 # define BIO_dgram_get_mtu_overhead(b) \
509          (unsigned int)BIO_ctrl((b), BIO_CTRL_DGRAM_GET_MTU_OVERHEAD, 0, NULL)
510 
511 #define BIO_get_ex_new_index(l, p, newf, dupf, freef) \
512     CRYPTO_get_ex_new_index(CRYPTO_EX_INDEX_BIO, l, p, newf, dupf, freef)
513 int BIO_set_ex_data(BIO *bio, int idx, void *data);
514 void *BIO_get_ex_data(BIO *bio, int idx);
515 uint64_t BIO_number_read(BIO *bio);
516 uint64_t BIO_number_written(BIO *bio);
517 
518 /* For BIO_f_asn1() */
519 int BIO_asn1_set_prefix(BIO *b, asn1_ps_func *prefix,
520                         asn1_ps_func *prefix_free);
521 int BIO_asn1_get_prefix(BIO *b, asn1_ps_func **pprefix,
522                         asn1_ps_func **pprefix_free);
523 int BIO_asn1_set_suffix(BIO *b, asn1_ps_func *suffix,
524                         asn1_ps_func *suffix_free);
525 int BIO_asn1_get_suffix(BIO *b, asn1_ps_func **psuffix,
526                         asn1_ps_func **psuffix_free);
527 
528 const BIO_METHOD *BIO_s_file(void);
529 BIO *BIO_new_file(const char *filename, const char *mode);
530 # ifndef OPENSSL_NO_STDIO
531 BIO *BIO_new_fp(FILE *stream, int close_flag);
532 # endif
533 BIO *BIO_new(const BIO_METHOD *type);
534 int BIO_free(BIO *a);
535 void BIO_set_data(BIO *a, void *ptr);
536 void *BIO_get_data(BIO *a);
537 void BIO_set_init(BIO *a, int init);
538 int BIO_get_init(BIO *a);
539 void BIO_set_shutdown(BIO *a, int shut);
540 int BIO_get_shutdown(BIO *a);
541 void BIO_vfree(BIO *a);
542 int BIO_up_ref(BIO *a);
543 int BIO_read(BIO *b, void *data, int len);
544 int BIO_gets(BIO *bp, char *buf, int size);
545 int BIO_write(BIO *b, const void *data, int len);
546 int BIO_puts(BIO *bp, const char *buf);
547 int BIO_indent(BIO *b, int indent, int max);
548 long BIO_ctrl(BIO *bp, int cmd, long larg, void *parg);
549 long BIO_callback_ctrl(BIO *b, int cmd,
550                        void (*fp) (BIO *, int, const char *, int, long, long));
551 void *BIO_ptr_ctrl(BIO *bp, int cmd, long larg);
552 long BIO_int_ctrl(BIO *bp, int cmd, long larg, int iarg);
553 BIO *BIO_push(BIO *b, BIO *append);
554 BIO *BIO_pop(BIO *b);
555 void BIO_free_all(BIO *a);
556 BIO *BIO_find_type(BIO *b, int bio_type);
557 BIO *BIO_next(BIO *b);
558 void BIO_set_next(BIO *b, BIO *next);
559 BIO *BIO_get_retry_BIO(BIO *bio, int *reason);
560 int BIO_get_retry_reason(BIO *bio);
561 void BIO_set_retry_reason(BIO *bio, int reason);
562 BIO *BIO_dup_chain(BIO *in);
563 
564 int BIO_nread0(BIO *bio, char **buf);
565 int BIO_nread(BIO *bio, char **buf, int num);
566 int BIO_nwrite0(BIO *bio, char **buf);
567 int BIO_nwrite(BIO *bio, char **buf, int num);
568 
569 long BIO_debug_callback(BIO *bio, int cmd, const char *argp, int argi,
570                         long argl, long ret);
571 
572 const BIO_METHOD *BIO_s_mem(void);
573 const BIO_METHOD *BIO_s_secmem(void);
574 BIO *BIO_new_mem_buf(const void *buf, int len);
575 # ifndef OPENSSL_NO_SOCK
576 const BIO_METHOD *BIO_s_socket(void);
577 const BIO_METHOD *BIO_s_connect(void);
578 const BIO_METHOD *BIO_s_accept(void);
579 # endif
580 const BIO_METHOD *BIO_s_fd(void);
581 const BIO_METHOD *BIO_s_log(void);
582 const BIO_METHOD *BIO_s_bio(void);
583 const BIO_METHOD *BIO_s_null(void);
584 const BIO_METHOD *BIO_f_null(void);
585 const BIO_METHOD *BIO_f_buffer(void);
586 const BIO_METHOD *BIO_f_linebuffer(void);
587 const BIO_METHOD *BIO_f_nbio_test(void);
588 # ifndef OPENSSL_NO_DGRAM
589 const BIO_METHOD *BIO_s_datagram(void);
590 int BIO_dgram_non_fatal_error(int error);
591 BIO *BIO_new_dgram(int fd, int close_flag);
592 #  ifndef OPENSSL_NO_SCTP
593 const BIO_METHOD *BIO_s_datagram_sctp(void);
594 BIO *BIO_new_dgram_sctp(int fd, int close_flag);
595 int BIO_dgram_is_sctp(BIO *bio);
596 int BIO_dgram_sctp_notification_cb(BIO *b,
597                                    void (*handle_notifications) (BIO *bio,
598                                                                  void *context,
599                                                                  void *buf),
600                                    void *context);
601 int BIO_dgram_sctp_wait_for_dry(BIO *b);
602 int BIO_dgram_sctp_msg_waiting(BIO *b);
603 #  endif
604 # endif
605 
606 # ifndef OPENSSL_NO_SOCK
607 int BIO_sock_should_retry(int i);
608 int BIO_sock_non_fatal_error(int error);
609 # endif
610 
611 int BIO_fd_should_retry(int i);
612 int BIO_fd_non_fatal_error(int error);
613 int BIO_dump_cb(int (*cb) (const void *data, size_t len, void *u),
614                 void *u, const char *s, int len);
615 int BIO_dump_indent_cb(int (*cb) (const void *data, size_t len, void *u),
616                        void *u, const char *s, int len, int indent);
617 int BIO_dump(BIO *b, const char *bytes, int len);
618 int BIO_dump_indent(BIO *b, const char *bytes, int len, int indent);
619 # ifndef OPENSSL_NO_STDIO
620 int BIO_dump_fp(FILE *fp, const char *s, int len);
621 int BIO_dump_indent_fp(FILE *fp, const char *s, int len, int indent);
622 # endif
623 int BIO_hex_string(BIO *out, int indent, int width, unsigned char *data,
624                    int datalen);
625 
626 # ifndef OPENSSL_NO_SOCK
627 BIO_ADDR *BIO_ADDR_new(void);
628 int BIO_ADDR_rawmake(BIO_ADDR *ap, int family,
629                      const void *where, size_t wherelen, unsigned short port);
630 void BIO_ADDR_free(BIO_ADDR *);
631 void BIO_ADDR_clear(BIO_ADDR *ap);
632 int BIO_ADDR_family(const BIO_ADDR *ap);
633 int BIO_ADDR_rawaddress(const BIO_ADDR *ap, void *p, size_t *l);
634 unsigned short BIO_ADDR_rawport(const BIO_ADDR *ap);
635 char *BIO_ADDR_hostname_string(const BIO_ADDR *ap, int numeric);
636 char *BIO_ADDR_service_string(const BIO_ADDR *ap, int numeric);
637 char *BIO_ADDR_path_string(const BIO_ADDR *ap);
638 
639 const BIO_ADDRINFO *BIO_ADDRINFO_next(const BIO_ADDRINFO *bai);
640 int BIO_ADDRINFO_family(const BIO_ADDRINFO *bai);
641 int BIO_ADDRINFO_socktype(const BIO_ADDRINFO *bai);
642 int BIO_ADDRINFO_protocol(const BIO_ADDRINFO *bai);
643 const BIO_ADDR *BIO_ADDRINFO_address(const BIO_ADDRINFO *bai);
644 void BIO_ADDRINFO_free(BIO_ADDRINFO *bai);
645 
646 enum BIO_hostserv_priorities {
647     BIO_PARSE_PRIO_HOST, BIO_PARSE_PRIO_SERV
648 };
649 int BIO_parse_hostserv(const char *hostserv, char **host, char **service,
650                        enum BIO_hostserv_priorities hostserv_prio);
651 enum BIO_lookup_type {
652     BIO_LOOKUP_CLIENT, BIO_LOOKUP_SERVER
653 };
654 int BIO_lookup(const char *host, const char *service,
655                enum BIO_lookup_type lookup_type,
656                int family, int socktype, BIO_ADDRINFO **res);
657 int BIO_sock_error(int sock);
658 int BIO_socket_ioctl(int fd, long type, void *arg);
659 int BIO_socket_nbio(int fd, int mode);
660 int BIO_sock_init(void);
661 # if OPENSSL_API_COMPAT < 0x10100000L
662 #  define BIO_sock_cleanup() while(0) continue
663 # endif
664 int BIO_set_tcp_ndelay(int sock, int turn_on);
665 
666 DEPRECATEDIN_1_1_0(struct hostent *BIO_gethostbyname(const char *name))
667 DEPRECATEDIN_1_1_0(int BIO_get_port(const char *str, unsigned short *port_ptr))
668 DEPRECATEDIN_1_1_0(int BIO_get_host_ip(const char *str, unsigned char *ip))
669 DEPRECATEDIN_1_1_0(int BIO_get_accept_socket(char *host_port, int mode))
670 DEPRECATEDIN_1_1_0(int BIO_accept(int sock, char **ip_port))
671 
672 union BIO_sock_info_u {
673     BIO_ADDR *addr;
674 };
675 enum BIO_sock_info_type {
676     BIO_SOCK_INFO_ADDRESS
677 };
678 int BIO_sock_info(int sock,
679                   enum BIO_sock_info_type type, union BIO_sock_info_u *info);
680 
681 #  define BIO_SOCK_REUSEADDR    0x01
682 #  define BIO_SOCK_V6_ONLY      0x02
683 #  define BIO_SOCK_KEEPALIVE    0x04
684 #  define BIO_SOCK_NONBLOCK     0x08
685 #  define BIO_SOCK_NODELAY      0x10
686 
687 int BIO_socket(int domain, int socktype, int protocol, int options);
688 int BIO_connect(int sock, const BIO_ADDR *addr, int options);
689 int BIO_listen(int sock, const BIO_ADDR *addr, int options);
690 int BIO_accept_ex(int accept_sock, BIO_ADDR *addr, int options);
691 int BIO_closesocket(int sock);
692 
693 BIO *BIO_new_socket(int sock, int close_flag);
694 BIO *BIO_new_connect(const char *host_port);
695 BIO *BIO_new_accept(const char *host_port);
696 # endif /* OPENSSL_NO_SOCK*/
697 
698 BIO *BIO_new_fd(int fd, int close_flag);
699 
700 int BIO_new_bio_pair(BIO **bio1, size_t writebuf1,
701                      BIO **bio2, size_t writebuf2);
702 /*
703  * If successful, returns 1 and in *bio1, *bio2 two BIO pair endpoints.
704  * Otherwise returns 0 and sets *bio1 and *bio2 to NULL. Size 0 uses default
705  * value.
706  */
707 
708 void BIO_copy_next_retry(BIO *b);
709 
710 /*
711  * long BIO_ghbn_ctrl(int cmd,int iarg,char *parg);
712  */
713 
714 # ifdef __GNUC__
715 #  define __bio_h__attr__ __attribute__
716 # else
717 #  define __bio_h__attr__(x)
718 # endif
719 int BIO_printf(BIO *bio, const char *format, ...)
720 __bio_h__attr__((__format__(__printf__, 2, 3)));
721 int BIO_vprintf(BIO *bio, const char *format, va_list args)
722 __bio_h__attr__((__format__(__printf__, 2, 0)));
723 int BIO_snprintf(char *buf, size_t n, const char *format, ...)
724 __bio_h__attr__((__format__(__printf__, 3, 4)));
725 int BIO_vsnprintf(char *buf, size_t n, const char *format, va_list args)
726 __bio_h__attr__((__format__(__printf__, 3, 0)));
727 # undef __bio_h__attr__
728 
729 
730 BIO_METHOD *BIO_meth_new(int type, const char *name);
731 void BIO_meth_free(BIO_METHOD *biom);
732 int (*BIO_meth_get_write(BIO_METHOD *biom)) (BIO *, const char *, int);
733 int BIO_meth_set_write(BIO_METHOD *biom,
734                        int (*write) (BIO *, const char *, int));
735 int (*BIO_meth_get_read(BIO_METHOD *biom)) (BIO *, char *, int);
736 int BIO_meth_set_read(BIO_METHOD *biom,
737                       int (*read) (BIO *, char *, int));
738 int (*BIO_meth_get_puts(BIO_METHOD *biom)) (BIO *, const char *);
739 int BIO_meth_set_puts(BIO_METHOD *biom,
740                       int (*puts) (BIO *, const char *));
741 int (*BIO_meth_get_gets(BIO_METHOD *biom)) (BIO *, char *, int);
742 int BIO_meth_set_gets(BIO_METHOD *biom,
743                       int (*gets) (BIO *, char *, int));
744 long (*BIO_meth_get_ctrl(BIO_METHOD *biom)) (BIO *, int, long, void *);
745 int BIO_meth_set_ctrl(BIO_METHOD *biom,
746                       long (*ctrl) (BIO *, int, long, void *));
747 int (*BIO_meth_get_create(BIO_METHOD *bion)) (BIO *);
748 int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *));
749 int (*BIO_meth_get_destroy(BIO_METHOD *biom)) (BIO *);
750 int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *));
751 long (*BIO_meth_get_callback_ctrl(BIO_METHOD *biom))
752                                  (BIO *, int, bio_info_cb *);
753 int BIO_meth_set_callback_ctrl(BIO_METHOD *biom,
754                                long (*callback_ctrl) (BIO *, int,
755                                                       bio_info_cb *));
756 
757 /* BEGIN ERROR CODES */
758 /*
759  * The following lines are auto generated by the script mkerr.pl. Any changes
760  * made after this point may be overwritten when the script is next run.
761  */
762 
763 int ERR_load_BIO_strings(void);
764 
765 /* Error codes for the BIO functions. */
766 
767 /* Function codes. */
768 # define BIO_F_ACPT_STATE                                 100
769 # define BIO_F_ADDR_STRINGS                               134
770 # define BIO_F_BIO_ACCEPT                                 101
771 # define BIO_F_BIO_ACCEPT_EX                              137
772 # define BIO_F_BIO_ADDR_NEW                               144
773 # define BIO_F_BIO_CALLBACK_CTRL                          131
774 # define BIO_F_BIO_CONNECT                                138
775 # define BIO_F_BIO_CTRL                                   103
776 # define BIO_F_BIO_GETS                                   104
777 # define BIO_F_BIO_GET_HOST_IP                            106
778 # define BIO_F_BIO_GET_NEW_INDEX                          102
779 # define BIO_F_BIO_GET_PORT                               107
780 # define BIO_F_BIO_LISTEN                                 139
781 # define BIO_F_BIO_LOOKUP                                 135
782 # define BIO_F_BIO_MAKE_PAIR                              121
783 # define BIO_F_BIO_NEW                                    108
784 # define BIO_F_BIO_NEW_FILE                               109
785 # define BIO_F_BIO_NEW_MEM_BUF                            126
786 # define BIO_F_BIO_NREAD                                  123
787 # define BIO_F_BIO_NREAD0                                 124
788 # define BIO_F_BIO_NWRITE                                 125
789 # define BIO_F_BIO_NWRITE0                                122
790 # define BIO_F_BIO_PARSE_HOSTSERV                         136
791 # define BIO_F_BIO_PUTS                                   110
792 # define BIO_F_BIO_READ                                   111
793 # define BIO_F_BIO_SOCKET                                 140
794 # define BIO_F_BIO_SOCKET_NBIO                            142
795 # define BIO_F_BIO_SOCK_INFO                              141
796 # define BIO_F_BIO_SOCK_INIT                              112
797 # define BIO_F_BIO_WRITE                                  113
798 # define BIO_F_BUFFER_CTRL                                114
799 # define BIO_F_CONN_CTRL                                  127
800 # define BIO_F_CONN_STATE                                 115
801 # define BIO_F_DGRAM_SCTP_READ                            132
802 # define BIO_F_DGRAM_SCTP_WRITE                           133
803 # define BIO_F_FILE_CTRL                                  116
804 # define BIO_F_FILE_READ                                  130
805 # define BIO_F_LINEBUFFER_CTRL                            129
806 # define BIO_F_MEM_WRITE                                  117
807 # define BIO_F_SSL_NEW                                    118
808 
809 /* Reason codes. */
810 # define BIO_R_ACCEPT_ERROR                               100
811 # define BIO_R_ADDRINFO_ADDR_IS_NOT_AF_INET               141
812 # define BIO_R_AMBIGUOUS_HOST_OR_SERVICE                  129
813 # define BIO_R_BAD_FOPEN_MODE                             101
814 # define BIO_R_BROKEN_PIPE                                124
815 # define BIO_R_CONNECT_ERROR                              103
816 # define BIO_R_GETHOSTBYNAME_ADDR_IS_NOT_AF_INET          107
817 # define BIO_R_GETSOCKNAME_ERROR                          132
818 # define BIO_R_GETSOCKNAME_TRUNCATED_ADDRESS              133
819 # define BIO_R_GETTING_SOCKTYPE                           134
820 # define BIO_R_INVALID_ARGUMENT                           125
821 # define BIO_R_INVALID_SOCKET                             135
822 # define BIO_R_IN_USE                                     123
823 # define BIO_R_LISTEN_V6_ONLY                             136
824 # define BIO_R_LOOKUP_RETURNED_NOTHING                    142
825 # define BIO_R_MALFORMED_HOST_OR_SERVICE                  130
826 # define BIO_R_NBIO_CONNECT_ERROR                         110
827 # define BIO_R_NO_ACCEPT_ADDR_OR_SERVICE_SPECIFIED        143
828 # define BIO_R_NO_HOSTNAME_OR_SERVICE_SPECIFIED           144
829 # define BIO_R_NO_PORT_DEFINED                            113
830 # define BIO_R_NO_SUCH_FILE                               128
831 # define BIO_R_NULL_PARAMETER                             115
832 # define BIO_R_UNABLE_TO_BIND_SOCKET                      117
833 # define BIO_R_UNABLE_TO_CREATE_SOCKET                    118
834 # define BIO_R_UNABLE_TO_KEEPALIVE                        137
835 # define BIO_R_UNABLE_TO_LISTEN_SOCKET                    119
836 # define BIO_R_UNABLE_TO_NODELAY                          138
837 # define BIO_R_UNABLE_TO_REUSEADDR                        139
838 # define BIO_R_UNAVAILABLE_IP_FAMILY                      145
839 # define BIO_R_UNINITIALIZED                              120
840 # define BIO_R_UNKNOWN_INFO_TYPE                          140
841 # define BIO_R_UNSUPPORTED_IP_FAMILY                      146
842 # define BIO_R_UNSUPPORTED_METHOD                         121
843 # define BIO_R_UNSUPPORTED_PROTOCOL_FAMILY                131
844 # define BIO_R_WRITE_TO_READ_ONLY_BIO                     126
845 # define BIO_R_WSASTARTUP                                 122
846 
847 # ifdef  __cplusplus
848 }
849 # endif
850 #endif
851