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- update to 2.15.0:
  * Added experimental support for tunneling of TUN/TAP network
    interfaces on Linux and macOS, allowing for either automatic
    packet forwarding or explicit reading and writing of packets
    sent through the tunnel by the application. Both callback and
    stream APIs are available.
  * Added support for forwarding terminal size and terminal size
    changes when stdin on an SSHServerProcess is redirected to a
    local TTY.
  * Added support for multiple tunnel/ProxyJump hosts. Thanks go
    to Adam Martin for suggesting this enhancement and proposing
    a solution.
  * Added support for OpenSSH lsetstat SFTP extension to set
    attributes on symbolic links on platforms which support that
    and use it to improve symlink handling in the SFTP get, put,
    and copy methods. In addition, a follow_symlinks option has
    been added on various SFTPClient methods which get and set
    these attributes. Thanks go to GitHub user eyalgolan1337 for
    reporting this issue.
  * Added support for password and passphrase arguments to be a
    callable or awaitable, called when performing authentication
    or loading encrypted private keys. Thanks go to GitHub user
    goblin for suggesting this enhancement.
  * Added support for proper flow control when using
    AsyncFileWriter or StreamWriter classes to do SSH process
    redirection. Thanks go to Benjy Wiener for reporting this
    issue and providing feedback on the fix.
  * Added is_closed() method
    SSHClientConnection/SSHServerConnection to return whether the
    associated network connection is closed or not.

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- update to 2.14.2 (bsc#1218165, CVE-2023-48795):
  * Implemented "strict kex" support and other countermeasures to
  * protect against the Terrapin Attack described in
    CVE-2023-48795
  * Fixed config parser to properly an optional equals delimiter
    in all config arguments.
  * Fixed TCP send error handling to avoid race condition when
    receiving incoming disconnect message.
  * Improved type signature in SSHConnection async context
    manager.

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- update to 2.14.1 (bsc#1217028, CVE-2023-46445):
  * Hardened AsyncSSH state machine against potential message
    injection attacks, described in more detail in
    `CVE-2023-46445 and CVE-2023-46446
  * Added support for passing in a regex in readuntil in
    SSHReader,
  * Added support for get_addresses() and get_port() methods on
  * SSHAcceptor.
  * Fixed an issue with AsyncFileWriter potentially writing data
  * out of order.
  * Updated testing to include Python 3.12.
  * Updated readthedocs integration to use YAML config file.

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- update to 2.14.0:
  * Added support for a new accept_handler argument when setting
    up local port forwarding, allowing the client host and port to
    be validated and/or logged for each new forwarded connection.
  * Added an option to disable expensive RSA private key checks
    when using OpenSSL 3.x. Functions that read private keys have
    been modified to include a new unsafe_skip_rsa_key_validation
    argument which can be used to avoid these additional checks,
    if you are loading keys from a trusted source.
  * Added host information into AsyncSSH exceptions when host key
    validation fails, and a few other improvements related to
    X.509 certificate validation errors.
  * Fixed a regression which prevented keys loaded into an SSH
    agent with a certificate from working correctly beginning in
    AsyncSSH after version 2.5.0.
  * Fixed an issue which was triggering an internal exception
    when shutting down server sessions with the line editor enabled
    which could cause some output to be lost on exit, especially when
    running on Windows.
  * Fixed a documentation error in SSHClientConnectionOptions and
    SSHServerConnectionOptions.

    proxy_command, allowing it to be used if the caller
- Update to 2.12.0
- Skip more tests that are unstable.

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- update to 2.13.2:
  * Fixed an issue with host-based authentication when using
    proxy_command, allowing it to be used if the caller 
    explicitly specifies client_host.
  * Improved handling of signature algorithms for OpenSSH
    certificates so that RSA SHA-2 signatures will work with
    both older and newer versions of OpenSSH.
  * Worked around an issue with some Cisco SSH implementations
    generating invalid "ignore" packets.
  * Fixed unit tests to avoid errors when cryptography's version
    of * OpenSSL disables support for SHA-1 signatures.
  * Fixed unit tests to avoid errors when the filesystem enforces
    that filenames be valid UTF-8 strings.
  * Added documentation about which config options apply when
    passing a string as a tunnel argument.

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- update to 2.13.1:
  * Updated type definitions for mypy 1.0.0, removing a
    dependency on implicit Optional types, and working around an
    issue that could trigger a mypy internal error.
  * Updated unit tests to avoid calculation of SHA-1 signatures,
    which are no longer allowed in cryptography 39.0.0.
- drop remove-sha1.patch (upstream)

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- Add remove-sha1.patch to make it compatible with latests versions of
  cryptography gh#ronf/asyncssh@fae5a9e8baad

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- update to 2.13.0:
  * Updated testing and coverage to drop Python 3.6 and add Python 3.11.
  * Added new "recv_eof" option to not pass an EOF from a channel to a
    redirected target, allowing output from multiple SSH sessions to be
    sent and mixed with other direct output to that target.
  * Added new methods to make it easy to perform forwarding between TCP
    ports and UNIX domain sockets.
  * Added a workaround for a problem seen on a Huawei SFTP server where
    it sends an invalid combination of file attribute flags.
  * Fixed an issue with copying files to SFTP servers that don't support
    random access I/O.
  * Fixed an issue when requesting remote port forwarding on a dynamically
    allocated port.
  * Fixed an issue where readexactly could block indefinitely when a signal
    is delivered in the stream before the requested number of bytes are
    available.
  * Fixed an interoperability issue with OpenSSH when using SSH certificates
    with RSA keys with a SHA-2 signature.
  * Fixed an issue with handling "None" in ProxyCommand, GlobalKnownHostsFile,
    and UserKnownHostsFile config file options.

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- Skip more tests that are unstable. 

- Update to 2.9.0:
  - Added mypy-compatible type annotations to all AsyncSSH
    modules, and a "py.typed" file to signal that annotations are
    now available for this package.
  - Added experimental support for SFTP versions 4-6. While
    AsyncSSH still defaults to only advertising version 3 when
    acting as both a client and a server, applications can
    explicitly enable support for later versions, which will be
    used if both ends of the connection agree. Not all features
    are fully supported, but a number of useful enhancements are
    now available, including as users and groups specified by
    name, higher resolution timestamps, and more granular error
    reporting.
  - Updated documentation to make it clear that keys from
    a PKCS11 provider or ssh-agent will be used even when
    client_keys is specified, unless those sources are explicitly
    disabled.
  - Improved handling of task cancellation in AsyncSSH to
    avoid triggering an error of "Future exception was never
    retrieved". Thanks go to Krzysztof Kotlenga for reporting
    this issue and providing test code to reliably reproduce it.
  - Changed implementation of OpenSSH keepalive handler to
    improve interoperability with servers which don't expect a
    "success" response when this message is sent.

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- update to 2.3.0
 * Added initial support for reading configuration from OpenSSH-compatible
   config files, when present. Both client and server configuration files are
   supported, but not all config options are supported.
 * Added support for the concept of only a subset of supported algorithms being
   enabled by default, and for the ability to use wildcards when specifying
   algorithm names. Also, OpenSSH’s syntax of prefixing the list with
   ‘^’, ‘+’, or ‘-‘ is supported for incrementally adjusting the list
   of algorithms starting from the default set.
 * Added support for specifying a preferred list of client authentication
   methods, in order of preference.
 * Added the ability to use AsyncSSH’s “password” argument on servers which
   are using keyboard-interactive authentication to prompt for a “passcode”.
 * Added support for providing separate lists of private keys and certificates,
   rather than requiring them to be specifying together as a tuple.
   When this new option is used, AsyncSSH will automatically associate
   the private keys with their corresponding certificates if matching
   certificates are present in the list.
 * Added support for the “known_hosts” argument to accept a list of known host
   files, rather than just a single file. Known hosts can also be specified
   using the GlobalKnownHostFile and UserKnownHostFile config file options,
   each of which can take multiple filenames.
 * Added new “request_tty” option to provide finer grained control over whether
   AsyncSSH will request a TTY when opening new sessions. The default is to
   still tie this to whether a “term_type” is specified, but now that can be
   overridden. Supported options of “yes”, “no”, “force”, and “auto” match
   the values supported by OpenSSH.
 * Added new “rdns_lookup” option to control whether the server does a reverse
   DNS of client addresses to allow matching of clients based on hostname
   in authorized keys and config files. When this option is disabled (the default),

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- update to 2.2.1
 * Added optional timeout parameter to SSHClientProcess.wait()
    and SSHClientConnection.run() methods.
 * Created subclasses for SFTPError exceptions, allowing applications
    to more easily have distinct exception handling for different errors.
 * Fixed an issue in SFTP parallel I/O related to handling low-level
    connection failures
 * Fixed an issue with SFTP file copy where a local file could sometimes
    be left open if an attempt to close a remote file failed.
 * Fixed an issue in the handling of boolean return values when
    SSHServer.server_requested() returns a coroutine
 * Fixed an issue with passing tuples to the SFTP copy functions.

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- update to 2.2.0
- add gss_test.patch to avoid segfault in kerberos
 * Added support for U2F/FIDO2 security keys
 * Added login timeout client option and limits on the length and number
    of banner lines AsyncSSH will accept prior to the SSH version header.
 * Improved load_keypairs() to read public key files, confirming that they
    are consistent with their associated private key when they are present.
 * Fixed issues in the SCP server related to handling filenames with spaces.
 * Fixed an issue with resuming reading after readuntil() returns an incomplete read.
 * Fixed a potential issue related to asyncio not reporting sockname/peername
    when a connection is closed immediately after it is opened.
 * Made SSHConnection a subclass of asyncio.Protocol to please type checkers.

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- update to 2.1.0
 * Added support in the SSHProcess redirect mechanism to accept asyncio StreamReader and StreamWriter objects, allowing asyncio streams to be plugged in as stdin/stdout/stderr in an SSHProcess.
 * Added support for key handlers in the AsyncSSH line editor to trigger signals being delivered when certain “hot keys” are hit while reading input.
 * Improved cleanup of unreturned connection objects when an error occurs or the connection request is canceled or times out.
 * Improved cleanup of SSH agent client objects to avoid triggering a false positive warning in Python 3.8.
 * Added an example to the documentation for how to create reverse-direction SSH client and server connections.
 * Made check of session objects against None explicit to avoid confusion on user-defined sessions that implement __len__ or __bool__. Thanks go to Lars-Dominik Braun for contributing this improvement!
 * Some API changes which should have been included in the 2.0.0 release were missed. This release corrects that, but means that additional changes may be needed in applications moving to 2.0.1. This should hopefully be the last of such changes, but if any other issues are discovered, additional changes will be limited to 2.0.x patch releases and the API will stabilize again in the AsyncSSH 2.1 release. See the next bullet for details about the additional incompatible change.
 * To be consistent with other connect and listen functions, all methods on SSHClientConnection which previously returned None on listen failures have been changed to raise an exception instead. A new ChannelListenError exception will now be raised when an SSH server returns failure on a request to open a remote listener. This change affects the following SSHClientConnection methods: create_server, create_unix_server, start_server, start_unix_server, forward_remote_port, and forward_remote_path.
 * Restored the ability for SSHListener objects to be used as async context managers. This previously worked in AsyncSSH 1.x and was unintentionally broken in AsyncSSH 2.0.0.
 * Added support for a number of additional functions to be called from within an “async with” statement. These functions already returned objects capable of being async context managers, but were not decorated to allow them to be directly called from within “async with”. This change applies to the top level functions create_server, listen, and listen_reverse and the SSHClientConnection methods create_server, create_unix_server, start_server, start_unix_server, forward_local_port, forward_local_path, forward_remote_port, forward_remote_path, listen_ssh, and listen_reverse_ssh,
 * Fixed a couple of issues in loading OpenSSH-format certificates which were missing a trailing newline.
 * Changed load_certificates() to allow multiple certificates to be loaded from a single byte string argument, making it more consistent with how load_certificates() works when reading from a file.
 * Updated AsyncSSH to use the modern async/await syntax internally, now requiring Python 3.6 or later. Those wishing to use AsyncSSH on Python 3.4 or 3.5 should stick to the AsyncSSH 1.x releases.
 * Changed first argument of SFTPServer constructor from an SSHServerConnection (conn) to an SSHServerChannel (chan) to allow custom SFTP server implementations to access environment variables set on the channel that SFTP is run over. Applications which subclass the SFTPServer class and implement an __init__ method will need to be updated to account for this change and pass the new argument through to the SFTPServer parent class. If the subclass has no __init__ and just uses the connection, channel, and env properties of SFTPServer to access this information, no changes should be required.
 * Removed deprecated “session_encoding” and “session_errors” arguments from create_server() and listen() functions. These arguments were renamed to “encoding” and “errors” back in version 1.16.0 to be consistent with other AsyncSSH APIs.
 * Removed get_environment(), get_command(), and get_subsystem() methods on SSHServerProcess class. This information was made available as “env”, “command”, and “subsystem” properties of SSHServerProcess in AsyncSSH 1.11.0.
 * Removed optional loop argument from all public AsyncSSH APIs, consistent with the deprecation of this argument in the asyncio package in Python 3.8. Calls will now always use the event loop which is active at the time of the call.
 * Removed support for non-async context managers on AsyncSSH connections and processes and SFTP client connections and file objects. Callers should use “async with” to invoke the async the context managers on these objects.
 * Added support for SSHAgentClient being an async context manager. To be consistent with other connect calls, connect_agent() will now raise an exception when no agent is found or a connection failure occurs, rather than logging a warning and returning None. Callers should catch OSError or ChannelOpenError exceptions rather than looking for a return value of None when calling this function.
 * Added set_input() and clear_input() methods on SSHLineEditorChannel to change the value of the current input line when line editing is enabled.
 * Added is_closing() method to the SSHChannel, SSHProcess, SSHWriter, and SSHSubprocessTransport classes. mirroring the asyncio BaseTransport and StreamWriter methods added in Python 3.7.
 * Added wait_closed() async method to the SSHWriter class, mirroring the asyncio StreamWriter method added in Python 3.7.

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