123 lines
5.6 KiB
Markdown
123 lines
5.6 KiB
Markdown
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<!--
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.. title: Version 1.4 released
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.. slug: version-1-4-released
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.. date: 2015-02-18 21:23:04
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.. tags: Releases
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.. category:
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.. link:
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.. description:
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.. type: text
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-->
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This is a feature release and is also the first release of the mosquitto
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project from the Eclipse Foundation umbrella. The code is now dual licenced
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under the [EPL]. The EDL and BSD 3 clause license are essentially identical so
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if you were happy with the BSD license then you should be happy with the EDL.
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Files distributed will remain in the same place but will in some cases also be
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available on the Eclipse download servers.
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# Important changes
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* Websockets support in the broker.
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* Bridge behaviour on the local broker has changed due to the introduction of
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the `local_*` options. This may affect you if you are using authentication
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and/or ACLs with bridges.
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* The default TLS behaviour has changed to accept all of TLS v1.2, v1.1 and
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v1.0, rather than only one version of the protocol. It is still possible to
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restrict a listener to a single version of TLS.
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* The Python client has been removed now that the Eclipse Paho Python client
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has had a release.
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* When a durable client reconnects, its queued messages are now checked
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against ACLs in case of a change in username/ACL state since it last
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connected.
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* New `use_username_as_clientid` option on the broker, for preventing
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hijacking of a client id.
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* The client library and clients now have experimental SOCKS5 support.
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* Wildcard TLS certificates are now supported for bridges and clients.
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* The clients have support for config files with default options.
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* Client and client libraries have support for MQTT v3.1.1.
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* Bridge support for MQTT v3.1.1.
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# Broker
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* Websockets support in the broker.
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* Add `local_clientid`, `local_username`, `local_password` for bridge
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connections to authenticate to the local broker.
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* Default TLS mode now accepts TLS v1.2, v1.1 and v1.0.
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* Support for ECDHE-ECDSA family ciphers.
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* Fix bug #1324411, which could have had unexpected consequences for delayed
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messages in rare circumstances.
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* Add support for `session present` in CONNACK messages for MQTT v3.1.1.
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* Remove strict protocol #ifdefs.
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* Change $SYS/broker/clients/active -> $SYS/broker/clients/connected
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* Change $SYS/broker/clients/inactive -> $SYS/broker/clients/disconnected
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* When a durable client reconnects, its queued messages are now checked
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against ACLs in case of a change in username/ACL state since it last
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connected.
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* libuuid is used to generate client ids, where it is available, when an MQTT
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v3.1.1 client connects with a zero length client id.
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* Anonymous clients are no longer accidently disconnected from the broker
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after a SIGHUP.
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* mosquitto_passwd now supports `-b` (batch mode) to allow the password to be
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provided at the command line.
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* Removed $SYS/broker/changeset. This was intended for use with debugging, but
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in practice is of no use.
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* Add support for `use_username_as_clientid` which can be used with
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authentication to restrict ownership of client ids and hence prevent one
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client disconnecting another by using the same client id.
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* When `require_certificate` was false, the broker was incorrectly asking for
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a certificate (but not checking it). This caused problems with some clients
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and has been fixed so the broker no longer asks.
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* When using syslog logging on non-Windows OSs, it is now possible to specify
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the logging facility to one of local0-7 instead of the default "daemon".
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* The `bridge_attempt_unsubscribe` option has been added, to allow the sending
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of UNSUBSCRIBE requests to be disabled for topics with "out" direction.
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Closes bug #456899.
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* Wildcard TLS certificates are now supported for bridges.
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* Support for "hour" client expiration lengths for the
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`persistent_client_expiration` option. Closes bug #425835.
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* Bridge support for MQTT v3.1.1.
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* Root privileges are now dropped after starting listeners and loading
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certificates/private keys, to allow private keys to have their permissions
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restricted to the root user only. Closes bug #452914.
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* Usernames and topics given in ACL files can now include a space. Closes bug
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#431780.
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* Fix hang if pattern acl contains a %u but an anonymous client connect.
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Closes bug #455402.
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* Fix man page installation with cmake. Closes bug #458843.
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* When using `log_dest file` the output file is now flushed periodically.
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# Clients
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* Both clients can now load default configuration options from a file.
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* Add `-C` option to mosquitto_sub to allow the client to quit after receiving
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a certain count of messages. Closes bug #453850.
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* Add `--proxy` SOCKS5 support for both clients.
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* Pub client supports setting its keepalive. Closes bug #454852.
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* Add support for config files with default options.
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* Add support for MQTT v3.1.1.
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# Client library
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* Add experimental SOCKS5 support.
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* mosquitto_loop_forever now quits after a fatal error, rather than blindly
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retrying.
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* SRV support is now not compiled in by default.
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* Wildcard TLS certificates are now supported.
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* mosquittopp now has a virtual destructor. Closes bug #452915.
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* Add support for MQTT v3.1.1.
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* Don't quit mosquitto_loop_forever() if broker not available on first
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connect. Closes bug #453293, but requires more work.
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# Dependencies
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This release introduces two new dependencies, libwebsockets and libuuid. Both
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are optional. libuuid comes from the e2fsprogs project and allows the broker to
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generate random client ids for MQTT v.3.1.1. The libwebsockets dependency can
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use either libwebsockets 1.3 or 1.2.x, with 1.3 being the preferred
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choice.
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[EPL]: https://www.eclipse.org/legal/epl-v10.html
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[EDL]: https://eclipse.org/org/documents/edl-v10.php
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