Revision acee7d68e1037d18f34d03bcd70af6b1b6e48299 authored by Matt Caswell on 11 October 2023, 09:43:58 UTC, committed by Matt Caswell on 23 October 2023, 09:08:12 UTC
Handle retryable errors from SSL_read(). Also ensure the underlying BIO handles the destination address capability. Reviewed-by: Tomas Mraz <tomas@openssl.org> Reviewed-by: Hugo Landau <hlandau@openssl.org> (Merged from https://github.com/openssl/openssl/pull/22368)
1 parent 5415383
SSL_rstate_string.pod
=pod
=head1 NAME
SSL_rstate_string, SSL_rstate_string_long - get textual description of state of an SSL object during read operation
=head1 SYNOPSIS
#include <openssl/ssl.h>
const char *SSL_rstate_string(SSL *ssl);
const char *SSL_rstate_string_long(SSL *ssl);
=head1 DESCRIPTION
SSL_rstate_string() returns a 2 letter string indicating the current read state
of the SSL object B<ssl>.
SSL_rstate_string_long() returns a string indicating the current read state of
the SSL object B<ssl>.
=head1 NOTES
When performing a read operation, the SSL/TLS engine must parse the record,
consisting of header and body. When working in a blocking environment,
SSL_rstate_string[_long]() should always return "RD"/"read done".
This function should only seldom be needed in applications.
=head1 RETURN VALUES
SSL_rstate_string() and SSL_rstate_string_long() can return the following
values:
=over 4
=item "RH"/"read header"
The header of the record is being evaluated.
=item "RB"/"read body"
The body of the record is being evaluated.
=item "unknown"/"unknown"
The read state is unknown. This should never happen.
=back
When used with QUIC SSL objects, these functions always return "RH"/"read
header" in normal conditions.
=head1 SEE ALSO
L<ssl(7)>
=head1 COPYRIGHT
Copyright 2001-2023 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (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

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