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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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43
doc/ssl/SSL_write.pod
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@@ -2,7 +2,7 @@
=head1 NAME
SSL_write - write bytes to a TLS/SSL connection.
SSL_write - write bytes to a TLS/SSL connection
=head1 SYNOPSIS
@@ -18,27 +18,27 @@ B<ssl> connection.
=head1 NOTES
If necessary, SSL_write() will negotiate a TLS/SSL session, if
not already explicitly performed by L<SSL_connect(3)|SSL_connect(3)> or
L<SSL_accept(3)|SSL_accept(3)>. If the
not already explicitly performed by L<SSL_connect(3)> or
L<SSL_accept(3)>. If the
peer requests a re-negotiation, it will be performed transparently during
the SSL_write() operation. The behaviour of SSL_write() depends on the
underlying BIO.
underlying BIO.
For the transparent negotiation to succeed, the B<ssl> must have been
initialized to client or server mode. This is being done by calling
L<SSL_set_connect_state(3)|SSL_set_connect_state(3)> or SSL_set_accept_state()
before the first call to an L<SSL_read(3)|SSL_read(3)> or SSL_write() function.
L<SSL_set_connect_state(3)> or SSL_set_accept_state()
before the first call to an L<SSL_read(3)> or SSL_write() function.
If the underlying BIO is B<blocking>, SSL_write() will only return, once the
write operation has been finished or an error occurred, except when a
renegotiation take place, in which case a SSL_ERROR_WANT_READ may occur.
renegotiation take place, in which case a SSL_ERROR_WANT_READ may occur.
This behaviour can be controlled with the SSL_MODE_AUTO_RETRY flag of the
L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)> call.
L<SSL_CTX_set_mode(3)> call.
If the underlying BIO is B<non-blocking>, SSL_write() will also return,
when the underlying BIO could not satisfy the needs of SSL_write()
to continue the operation. In this case a call to
L<SSL_get_error(3)|SSL_get_error(3)> with the
L<SSL_get_error(3)> with the
return value of SSL_write() will yield B<SSL_ERROR_WANT_READ> or
B<SSL_ERROR_WANT_WRITE>. As at any time a re-negotiation is possible, a
call to SSL_write() can also cause read operations! The calling process
@@ -51,7 +51,7 @@ must be written into or retrieved out of the BIO before being able to continue.
SSL_write() will only return with success, when the complete contents
of B<buf> of length B<num> has been written. This default behaviour
can be changed with the SSL_MODE_ENABLE_PARTIAL_WRITE option of
L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)>. When this flag is set,
L<SSL_CTX_set_mode(3)>. When this flag is set,
SSL_write() will also return with success, when a partial write has been
successfully completed. In this case the SSL_write() operation is considered
completed. The bytes are sent and a new SSL_write() operation with a new
@@ -85,10 +85,6 @@ The write operation was not successful, because either the connection was
closed, an error occurred or action must be taken by the calling process.
Call SSL_get_error() with the return value B<ret> to find out the reason.
SSLv2 (deprecated) does not support a shutdown alert protocol, so it can
only be detected, whether the underlying connection was closed. It cannot
be checked, why the closure happened.
Old documentation indicated a difference between 0 and -1, and that -1 was
retryable.
You should instead call SSL_get_error() to find out if it's retryable.
@@ -97,10 +93,19 @@ You should instead call SSL_get_error() to find out if it's retryable.
=head1 SEE ALSO
L<SSL_get_error(3)|SSL_get_error(3)>, L<SSL_read(3)|SSL_read(3)>,
L<SSL_CTX_set_mode(3)|SSL_CTX_set_mode(3)>, L<SSL_CTX_new(3)|SSL_CTX_new(3)>,
L<SSL_connect(3)|SSL_connect(3)>, L<SSL_accept(3)|SSL_accept(3)>
L<SSL_set_connect_state(3)|SSL_set_connect_state(3)>,
L<ssl(3)|ssl(3)>, L<bio(3)|bio(3)>
L<SSL_get_error(3)>, L<SSL_read(3)>,
L<SSL_CTX_set_mode(3)>, L<SSL_CTX_new(3)>,
L<SSL_connect(3)>, L<SSL_accept(3)>
L<SSL_set_connect_state(3)>,
L<ssl(3)>, L<bio(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