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Import OpenSSL 1.1.0f

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This commit is contained in:
Steve Dower
2017-09-07 16:27:43 -07:00
committed by Steve Dower
parent ccd3ab4aff
commit f4b81cb7c9
3340 changed files with 325158 additions and 557542 deletions
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58
doc/crypto/BIO_s_bio.pod
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@@ -2,7 +2,7 @@
=head1 NAME
BIO_s_bio, BIO_make_bio_pair, BIO_destroy_bio_pair, BIO_shutdown_wr,
BIO_s_bio, BIO_make_bio_pair, BIO_destroy_bio_pair, BIO_shutdown_wr,
BIO_set_write_buf_size, BIO_get_write_buf_size, BIO_new_bio_pair,
BIO_get_write_guarantee, BIO_ctrl_get_write_guarantee, BIO_get_read_request,
BIO_ctrl_get_read_request, BIO_ctrl_reset_read_request - BIO pair BIO
@@ -11,24 +11,22 @@ BIO_ctrl_get_read_request, BIO_ctrl_reset_read_request - BIO pair BIO
#include <openssl/bio.h>
BIO_METHOD *BIO_s_bio(void);
const BIO_METHOD *BIO_s_bio(void);
#define BIO_make_bio_pair(b1,b2) (int)BIO_ctrl(b1,BIO_C_MAKE_BIO_PAIR,0,b2)
#define BIO_destroy_bio_pair(b) (int)BIO_ctrl(b,BIO_C_DESTROY_BIO_PAIR,0,NULL)
int BIO_make_bio_pair(BIO *b1, BIO *b2);
int BIO_destroy_bio_pair(BIO *b);
int BIO_shutdown_wr(BIO *b);
#define BIO_shutdown_wr(b) (int)BIO_ctrl(b, BIO_C_SHUTDOWN_WR, 0, NULL)
#define BIO_set_write_buf_size(b,size) (int)BIO_ctrl(b,BIO_C_SET_WRITE_BUF_SIZE,size,NULL)
#define BIO_get_write_buf_size(b,size) (size_t)BIO_ctrl(b,BIO_C_GET_WRITE_BUF_SIZE,size,NULL)
int BIO_set_write_buf_size(BIO *b, long size);
size_t BIO_get_write_buf_size(BIO *b, long size);
int BIO_new_bio_pair(BIO **bio1, size_t writebuf1, BIO **bio2, size_t writebuf2);
#define BIO_get_write_guarantee(b) (int)BIO_ctrl(b,BIO_C_GET_WRITE_GUARANTEE,0,NULL)
int BIO_get_write_guarantee(BIO *b);
size_t BIO_ctrl_get_write_guarantee(BIO *b);
#define BIO_get_read_request(b) (int)BIO_ctrl(b,BIO_C_GET_READ_REQUEST,0,NULL)
int BIO_get_read_request(BIO *b);
size_t BIO_ctrl_get_read_request(BIO *b);
int BIO_ctrl_reset_read_request(BIO *b);
=head1 DESCRIPTION
@@ -65,7 +63,7 @@ up any half of the pair will automatically destroy the association.
BIO_shutdown_wr() is used to close down a BIO B<b>. After this call no further
writes on BIO B<b> are allowed (they will return an error). Reads on the other
half of the pair will return any pending data or EOF when all pending data has
been read.
been read.
BIO_set_write_buf_size() sets the write buffer size of BIO B<b> to B<size>.
If the size is not initialized a default value is used. This is currently
@@ -123,6 +121,11 @@ never sent!
BIO_eof() is true if no data is in the peer BIO and the peer BIO has been
shutdown.
BIO_make_bio_pair(), BIO_destroy_bio_pair(), BIO_shutdown_wr(),
BIO_set_write_buf_size(), BIO_get_write_buf_size(),
BIO_get_write_guarantee(), and BIO_get_read_request() are implemented
as macros.
=head1 RETURN VALUES
BIO_new_bio_pair() returns 1 on success, with the new BIOs available in
@@ -139,9 +142,9 @@ without having to go through the SSL-interface.
BIO *internal_bio, *network_bio;
...
BIO_new_bio_pair(internal_bio, 0, network_bio, 0);
BIO_new_bio_pair(&internal_bio, 0, &network_bio, 0);
SSL_set_bio(ssl, internal_bio, internal_bio);
SSL_operations();
SSL_operations(); //e.g SSL_read and SSL_write
...
application | TLS-engine
@@ -150,12 +153,16 @@ without having to go through the SSL-interface.
| /\ ||
| || \/
| BIO-pair (internal_bio)
+----------< BIO-pair (network_bio)
| BIO-pair (network_bio)
| || /\
| \/ ||
+-----------< BIO_operations()
| |
socket |
| |
socket
...
SSL_free(ssl); /* implicitly frees internal_bio */
SSL_free(ssl); /* implicitly frees internal_bio */
BIO_free(network_bio);
...
@@ -165,13 +172,13 @@ buffer is full or the read buffer is drained. Then the application has to
flush the write buffer and/or fill the read buffer.
Use the BIO_ctrl_pending(), to find out whether data is buffered in the BIO
and must be transfered to the network. Use BIO_ctrl_get_read_request() to
and must be transferred to the network. Use BIO_ctrl_get_read_request() to
find out, how many bytes must be written into the buffer before the
SSL_operation() can successfully be continued.
=head1 WARNING
As the data is buffered, SSL_operation() may return with a ERROR_SSL_WANT_READ
As the data is buffered, SSL_operation() may return with an ERROR_SSL_WANT_READ
condition, but there is still data in the write buffer. An application must
not rely on the error value of SSL_operation() but must assure that the
write buffer is always flushed first. Otherwise a deadlock may occur as
@@ -179,7 +186,16 @@ the peer might be waiting for the data before being able to continue.
=head1 SEE ALSO
L<SSL_set_bio(3)|SSL_set_bio(3)>, L<ssl(3)|ssl(3)>, L<bio(3)|bio(3)>,
L<BIO_should_retry(3)|BIO_should_retry(3)>, L<BIO_read(3)|BIO_read(3)>
L<SSL_set_bio(3)>, L<ssl(3)>, L<bio(3)>,
L<BIO_should_retry(3)>, L<BIO_read(3)>
=head1 COPYRIGHT
Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
L<https://www.openssl.org/source/license.html>.
=cut