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