Adding upstream version 1:9.2p1.upstream/1%9.2p1upstream

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

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+# Portable OpenSSH
+
+[![C/C++ CI](https://github.com/openssh/openssh-portable/actions/workflows/c-cpp.yml/badge.svg)](https://github.com/openssh/openssh-portable/actions/workflows/c-cpp.yml)
+[![Fuzzing Status](https://oss-fuzz-build-logs.storage.googleapis.com/badges/openssh.svg)](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:openssh)
+
+OpenSSH is a complete implementation of the SSH protocol (version 2) for secure remote login, command execution and file transfer. It includes a client ``ssh`` and server ``sshd``, file transfer utilities ``scp`` and ``sftp`` as well as tools for key generation (``ssh-keygen``), run-time key storage (``ssh-agent``) and a number of supporting programs.
+
+This is a port of OpenBSD's [OpenSSH](https://openssh.com) to most Unix-like operating systems, including Linux, OS X and Cygwin. Portable OpenSSH polyfills OpenBSD APIs that are not available elsewhere, adds sshd sandboxing for more operating systems and includes support for OS-native authentication and auditing (e.g. using PAM).
+
+## Documentation
+
+The official documentation for OpenSSH are the man pages for each tool:
+
+* [ssh(1)](https://man.openbsd.org/ssh.1)
+* [sshd(8)](https://man.openbsd.org/sshd.8)
+* [ssh-keygen(1)](https://man.openbsd.org/ssh-keygen.1)
+* [ssh-agent(1)](https://man.openbsd.org/ssh-agent.1)
+* [scp(1)](https://man.openbsd.org/scp.1)
+* [sftp(1)](https://man.openbsd.org/sftp.1)
+* [ssh-keyscan(8)](https://man.openbsd.org/ssh-keyscan.8)
+* [sftp-server(8)](https://man.openbsd.org/sftp-server.8)
+
+## Stable Releases
+
+Stable release tarballs are available from a number of [download mirrors](https://www.openssh.com/portable.html#downloads). We recommend the use of a stable release for most users. Please read the [release notes](https://www.openssh.com/releasenotes.html) for details of recent changes and potential incompatibilities.
+
+## Building Portable OpenSSH
+
+### Dependencies
+
+Portable OpenSSH is built using autoconf and make. It requires a working C compiler, standard library and headers.
+
+``libcrypto`` from either [LibreSSL](https://www.libressl.org/) or [OpenSSL](https://www.openssl.org) may also be used.  OpenSSH may be built without either of these, but the resulting binaries will have only a subset of the cryptographic algorithms normally available.
+
+[zlib](https://www.zlib.net/) is optional; without it transport compression is not supported.
+
+FIDO security token support needs [libfido2](https://github.com/Yubico/libfido2) and its dependencies and will be enabled automatically if they are found.
+
+In addition, certain platforms and build-time options may require additional dependencies; see README.platform for details about your platform.
+
+### Building a release
+
+Releases include a pre-built copy of the ``configure`` script and may be built using:
+
+```
+tar zxvf openssh-X.YpZ.tar.gz
+cd openssh
+./configure # [options]
+make && make tests
+```
+
+See the [Build-time Customisation](#build-time-customisation) section below for configure options. If you plan on installing OpenSSH to your system, then you will usually want to specify destination paths.
+
+### Building from git
+
+If building from git, you'll need [autoconf](https://www.gnu.org/software/autoconf/) installed to build the ``configure`` script. The following commands will check out and build portable OpenSSH from git:
+
+```
+git clone https://github.com/openssh/openssh-portable # or https://anongit.mindrot.org/openssh.git
+cd openssh-portable
+autoreconf
+./configure
+make && make tests
+```
+
+### Build-time Customisation
+
+There are many build-time customisation options available. All Autoconf destination path flags (e.g. ``--prefix``) are supported (and are usually required if you want to install OpenSSH).
+
+For a full list of available flags, run ``./configure --help`` but a few of the more frequently-used ones are described below. Some of these flags will require additional libraries and/or headers be installed.
+
+Flag | Meaning
+--- | ---
+``--with-pam`` | Enable [PAM](https://en.wikipedia.org/wiki/Pluggable_authentication_module) support. [OpenPAM](https://www.openpam.org/), [Linux PAM](http://www.linux-pam.org/) and Solaris PAM are supported.
+``--with-libedit`` | Enable [libedit](https://www.thrysoee.dk/editline/) support for sftp.
+``--with-kerberos5`` | Enable Kerberos/GSSAPI support. Both [Heimdal](https://www.h5l.org/) and [MIT](https://web.mit.edu/kerberos/) Kerberos implementations are supported.
+``--with-selinux`` | Enable [SELinux](https://en.wikipedia.org/wiki/Security-Enhanced_Linux) support.
+
+## Development
+
+Portable OpenSSH development is discussed on the [openssh-unix-dev mailing list](https://lists.mindrot.org/mailman/listinfo/openssh-unix-dev) ([archive mirror](https://marc.info/?l=openssh-unix-dev)). Bugs and feature requests are tracked on our [Bugzilla](https://bugzilla.mindrot.org/).
+
+## Reporting bugs
+
+_Non-security_ bugs may be reported to the developers via [Bugzilla](https://bugzilla.mindrot.org/) or via the mailing list above. Security bugs should be reported to [openssh@openssh.com](mailto:openssh.openssh.com).