Adding upstream version 4.22.0.upstream/4.22.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 115 insertions, 0 deletions

diff --git a/upstream/debian-unstable/man3/OSSL_CALLBACK.3ssl b/upstream/debian-unstable/man3/OSSL_CALLBACK.3ssl
new file mode 100644
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+++ b/upstream/debian-unstable/man3/OSSL_CALLBACK.3ssl
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+.\"
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+.\" ========================================================================
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+.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
+.\" entries marked with X<> in POD.  Of course, you'll have to process the
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+.\"
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+.rr rF
+.\" ========================================================================
+.\"
+.IX Title "OSSL_CALLBACK 3SSL"
+.TH OSSL_CALLBACK 3SSL 2024-02-03 3.1.5 OpenSSL
+.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH NAME
+OSSL_CALLBACK, OSSL_PASSPHRASE_CALLBACK \- OpenSSL Core type to define callbacks
+.SH SYNOPSIS
+.IX Header "SYNOPSIS"
+.Vb 6
+\& #include <openssl/core.h>
+\& typedef int (OSSL_CALLBACK)(const OSSL_PARAM params[], void *arg);
+\& typedef int (OSSL_PASSPHRASE_CALLBACK)(char *pass, size_t pass_size,
+\&                                        size_t *pass_len,
+\&                                        const OSSL_PARAM params[],
+\&                                        void *arg);
+.Ve
+.SH DESCRIPTION
+.IX Header "DESCRIPTION"
+For certain events or activities, provider functionality may need help from
+the application or the calling OpenSSL libraries themselves.  For example,
+user input or direct (possibly optional) user output could be implemented
+this way.
+.PP
+Callback functions themselves are always provided by or through the calling
+OpenSSL libraries, along with a generic pointer to data \fIarg\fR.  As far as
+the function receiving the pointer to the function pointer and \fIarg\fR is
+concerned, the data that \fIarg\fR points at is opaque, and the pointer should
+simply be passed back to the callback function when it's called.
+.IP \fBOSSL_CALLBACK\fR 4
+.IX Item "OSSL_CALLBACK"
+This is a generic callback function.  When calling this callback function,
+the caller is expected to build an \fBOSSL_PARAM\fR\|(3) array of data it wants or
+is expected to pass back, and pass that as \fIparams\fR, as well as the opaque
+data pointer it received, as \fIarg\fR.
+.IP \fBOSSL_PASSPHRASE_CALLBACK\fR 4
+.IX Item "OSSL_PASSPHRASE_CALLBACK"
+This is a specialised callback function, used specifically to prompt the
+user for a passphrase.  When calling this callback function, a buffer to
+store the pass phrase needs to be given with \fIpass\fR, and its size with
+\&\fIpass_size\fR.  The length of the prompted pass phrase will be given back in
+\&\fI*pass_len\fR.
+.Sp
+Additional parameters can be passed with the \fBOSSL_PARAM\fR\|(3) array \fIparams\fR,
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
+\&\fBopenssl\-core.h\fR\|(7)
+.SH HISTORY
+.IX Header "HISTORY"
+The types described here were added in OpenSSL 3.0.
+.SH COPYRIGHT
+.IX Header "COPYRIGHT"
+Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
+.PP
+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>.