SSL_RSTATE_STRING(3SSL) OpenSSL SSL_RSTATE_STRING(3SSL)
NAME
SSL_rstate_string, SSL_rstate_string_long - get textual description of
state of an SSL object during read operation
SYNOPSIS
#include <openssl/ssl.h>
const char *SSL_rstate_string(SSL *ssl);
const char *SSL_rstate_string_long(SSL *ssl);
DESCRIPTION
SSL_rstate_string() returns a 2 letter string indicating the current
read state of the SSL object ssl.
SSL_rstate_string_long() returns a string indicating the current read
state of the SSL object ssl.
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.
RETURN VALUES
SSL_rstate_string() and SSL_rstate_string_long() can return the
following values:
"RH"/"read header"
The header of the record is being evaluated.
"RB"/"read body"
The body of the record is being evaluated.
"unknown"/"unknown"
The read state is unknown. This should never happen.
When used with QUIC SSL objects, these functions always return
"RH"/"read header" in normal conditions.
SEE ALSO
ssl(7)
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
<https://www.openssl.org/source/license.html>.
3.5.7 2026-06-09 SSL_RSTATE_STRING(3SSL)
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