changelog and documentation updates for 2.4.0-rc1
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Shivaram Lingamneni
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CHANGELOG.md
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CHANGELOG.md
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# Changelog
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All notable changes to Oragono will be documented in this file.
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## [2.4.0-rc1] - 2020-11-01
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We're pleased to be publishing the release candidate for 2.4.0 (the official release should follow in a week or so).
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This release includes a number of exciting enhancements and fixes. Here are some highlights:
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* Support for migrating an Anope or Atheme database to Oragono (#1042)
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* A pluggable system for validating external IPs, e.g., via DNSBLs (#68, thanks [@moortens](https://github.com/moortens)!)
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* [draft/relaymsg](https://github.com/ircv3/ircv3-specifications/pull/417), a new draft extension simplifying bridging with other chat systems (thanks [@jlu5](https://github.com/jlu5)!)
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* New moderation tools: `+u` ("auditorium", #1300), `+U` ("op-moderated", #1178), `+M` ("moderated-registered", #1182, thanks [@ajaspers](https://github.com/ajaspers)!), and `+b m:` (an extban for muting users, #307)
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This release includes changes to the config file format, including one breaking change: `roleplay.enabled` now defaults to false (the new recommended default) instead of true when unset. Other config changes are backwards compatible and do not require updating the file before upgrading.
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This release includes a database change. If you have `datastore.autoupgrade` set to `true` in your configuration, it will be automatically applied when you restart Oragono. Otherwise, you can update the database manually by running `oragono upgradedb` (see the manual for complete instructions).
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Many thanks to [@ajaspers](https://github.com/ajaspers), [@jesopo](https://github.com/jesopo), [@moortens](https://github.com/moortens), and [@RunBarryRun](https://github.com/RunBarryRun) for contributing patches, to [@csmith](https://github.com/csmith) for contributing code reviews, to [@ajaspers](https://github.com/ajaspers), [@Amiga60077](https://github.com/Amiga60077), [@bogdomania](https://github.com/bogdomania), [@csmith](https://github.com/csmith), [@edk0](https://github.com/edk0), [@eskimo](https://github.com/eskimo), [@jlu5](https://github.com/jlu5), [@jwheare](https://github.com/jwheare), [@KoraggKnightWolf](https://github.com/KoraggKnightWolf), [@Mitaka8](https://github.com/Mitaka8), [@mogad0n](https://github.com/mogad0n), [@RyanSquared](https://github.com/RyanSquared), and [@vertisan](https://github.com/vertisan) for reporting issues and helping test, and to our translators for contributing translations.
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### Config changes
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* Added `server.ip-cloaking.enabled-for-always-on`, which generates a unique hostname for each always-on client. The recommended default value of this field is `true` (#1312)
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* Added `server.coerce-ident`; if this is set to a string value, all user/ident fields supplied by clients are ignored and replaced with this value. The recommended default value of this field is `~u`. This simplifies bans. (#1340)
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* Simplified the config file format for email verification into a new `accounts.nick-reservation.email-verification` section. The old format (`callbacks`) is still accepted (#1075)
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* The recommended value of `roleplay.enabled` is now `false`; this field now defaults to false when unset (#1240, #1271)
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* Added `server.relaymsg` section for configuring the new `draft/relaymsg` capability; added the new `relaymsg` operator capability for exercising it (#1119)
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* Added `allow-environment-overrides` config variable, allowing config options to be overridden by environment variables. See the manual for more details. (#1049, thanks [@csmith](https://github.com/csmith)!)
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* Added `server.ip-check-script` for configuring IP check plugins (#68, #1267, thanks [@moortens](https://github.com/moortens)!)
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* Added `max-concurrency` restriction to `accounts.auth-script` section. The recommended default value is `64` (`0` or unset disable the restriction) (#1267)
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* Added `accounts.registration.allow-before-connect`; this allows the use of the new `REGISTER` command before connecting to the server (#1075)
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* Added `hidden` option in operator blocks: if set to `true`, operator status is hidden from commands like `WHOIS` that would otherwise display it (#1194)
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* Added `accounts.nick-reservation.forbid-anonymous-nick-changes`, which forbids anonymous users from changing their nicknames after initially connecting (#1337, thanks [@Amiga60077](https://github.com/Amiga60077)!)
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* Added `channels.invite-expiration`, allowing invites to `+i` channels to expire after a given amount of time (#1171)
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### Security
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* Added `/NICKSERV CLIENTS LOGOUT` command for disconnecting clients connected to a user account (#1072, #1272, thanks [@ajaspers](https://github.com/ajaspers)!)
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* Disallowed the use of service nicknames during roleplaying (#1240, thanks [@Mitaka8](https://github.com/Mitaka8)!)
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* Improved security properties of `INVITE` for invite-only channels, including an `UNINVITE` command (#1171)
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### Removed
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* Removed the request queue system for HostServ, i.e., the `REQUEST`, `APPROVE`, and `REJECT` subcommands of `HOSTSERV` (#1346)
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### Fixed
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* `PONG` is now sent with the server name as the first parameter, matching the behavior of other ircds (#1249, thanks [@jesopo](https://github.com/jesopo)!)
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* It was not possible to set or unset the `+T` no-CTCP user mode; this has been fixed (#1299, thanks [@mogad0n](https://github.com/mogad0n)!)
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* Fixed edge cases with `/NICKSERV SAREGISTER` of confusable nicknames (#1322, thanks [@mogad0n](https://github.com/mogad0n)!)
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* Fixed websocket listeners with proxy-before-TLS enabled closing on invalid PROXY lines (#1269, thanks [@RyanSquared](https://github.com/RyanSquared)!)
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* Fixed error responses and history for SANICK (#1277, #1278, thanks [@eskimo](https://github.com/eskimo)!)
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* Ensured that stored realnames of always-on clients are deleted during account unregistration (#1330)
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* Whitespace is now stripped from KLINEs (#1327, thanks [@mogad0n](https://github.com/mogad0n)!)
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* Fixed incorrect `LUSERS` counts caused by KLINE (#1303, thanks [@mogad0n](https://github.com/mogad0n)!)
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* `CHATHISTORY` queries for invalid channels now get an empty batch instead of a `FAIL` (#1322)
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* `fakelag.messages-per-window = 0` no longer causes a panic (#861, thanks [@vertisan](https://github.com/vertisan)!)
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### Added
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* Added `oragono importdb` command for importing a converted Anope or Atheme database; see the manual for details (#1042)
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* Added support for the new [draft/relaymsg](https://github.com/ircv3/ircv3-specifications/pull/417) extension, which simplifies bridging IRC with other protocols relaymsg (#1119, thanks [@jlu5](https://github.com/jlu5)!)
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* Added `ip-check-script`, a scripting API for restricting access by client IP. We provide [oragono-dnsbl](https://github.com/oragono/oragono-dnsbl), an external script that can query DNSBLs for this purpose (#68, #1267, thanks [@moortens](https://github.com/moortens)!)
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* Added channel mode `+u`. This is an "auditorium" mode that prevents unprivileged users from seeing each other's `JOIN` and `PART` lines. It's useful for large public-announcement channels, possibly in conjunction with `+m` (#1300)
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* Added channel mode `+U`. This is an "op-moderated" mode; messages from unprivileged users are sent only to channel operators, who can then choose to grant them `+v`. (#1178)
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* Added a mute extban `+b m:`: users matching the ban expression (e.g., `+b m:*!*@j6dwi4vacx47y.irc`) will be able to join the channel, but will be unable to speak. (#307)
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* Added support for the new [draft/register](https://gist.github.com/edk0/bf3b50fc219fd1bed1aa15d98bfb6495) extension, which exposes a cleaner account registration API to clients (#1075, thanks [@edk0](https://github.com/edk0)!)
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* Added a `379 RPL_WHOISMODES` line to the `WHOIS` response, making it easier for operators to see other users' modes (#769, thanks [@Amiga60077](https://github.com/Amiga60077) and [@KoraggKnightWolf](https://github.com/KoraggKnightWolf)!)
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* Added `/CHANSERV DEOP` command for removing channel operator privileges (#361, thanks [@RunBarryRun](https://github.com/RunBarryRun)!)
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* Added `r` flag to `/WHO` responses for registered nicknames (#1366, thanks [@Amiga60077](https://github.com/Amiga60077)!)
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### Changed
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* Always-on clients now receive a user/ident of `~u` by default, instead of `~user`; this can be changed by setting the `coerce-ident` field (#1340)
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* `/NICKSERV SUSPEND` has been modified to take subcommands (`ADD`, `DEL`, and `LIST`); the `ADD` subcommand now accepts time duration and reason arguments. See `/msg NickServ HELP SUSPEND` for details. (#1274, thanks [@mogad0n](https://github.com/mogad0n)!)
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* Only the channel founder can kick the channel founder, regardless of either party's modes (#1262)
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* `/NICKSERV SESSIONS` is now `/NICKSERV CLIENTS LIST`, but the old command is still accepted (#1272, thanks [@ajaspers](https://github.com/ajaspers)!)
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* Improved `SETNAME` behavior for legacy clients (#1358, thanks [@KoraggKnightWolf](https://github.com/KoraggKnightWolf)!)
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* Halfops can set the channel topic (#1306)
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* Full client certificates are now passed to auth scripts. This allows for more flexible checks on certificates, including verification against an internal CA (#414)
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### Internal
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* Added a logline for debugging client disconnections (#1293)
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* Renamed `conventional.yaml` to `traditional.yaml` (#1350)
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* Integration tests are now run during CI (#1279)
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## [2.3.0] - 2020-09-06
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We're pleased to announce Oragono 2.3.0, a new stable release.
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@ -27,8 +27,8 @@ Develop branches are either used to work out implementation details in preperati
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## Releasing a new version
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1. Ensure the tests pass, locally on travis (`make test`, `make smoke`, and `make irctest`)
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1. Test backwards compatibility guarantees. Get an example config file and an example database from the previous stable release. Make sure the current build still works with them (modulo anything explicitly called out in the changelog as a breaking change).
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1. Run `irctest` over it to make sure nothing's severely broken. Talk to the maintainers to find out which version of irctest to run.
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1. Run the `ircstress` chanflood benchmark to look for data races (enable race detection) and performance regressions (disable it).
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1. Update the changelog with new changes and write release notes.
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1. Update the version number `irc/version.go` (either change `-unreleased` to `-rc1`, or remove `-rc1`, as appropriate).
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@ -40,7 +40,7 @@ If you want to take a look at a running Oragono instance or test some client cod
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* passwords stored with [bcrypt](https://godoc.org/golang.org/x/crypto)
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* banning ips/nets and masks with `KLINE` and `DLINE`
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* [IRCv3 support](https://ircv3.net/software/servers.html)
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* a heavy focus on developing with [specifications](https://oragono.io/specs.html)
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* a focus on developing with [specifications](https://oragono.io/specs.html)
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## Quick start guide
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@ -23,6 +23,7 @@ _Copyright © Daniel Oaks <daniel@danieloaks.net>, Shivaram Lingamneni <slingamn
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- [Windows](#windows)
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- [macOS / Linux / Raspberry Pi](#macos--linux--raspberry-pi)
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- [Docker](#docker)
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- [Environment variables](#environment-variables)
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- [Becoming an operator](#becoming-an-operator)
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- [Productionizing](#productionizing)
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- [Upgrading to a new version of Oragono](#upgrading-to-a-new-version-of-oragono)
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@ -51,10 +52,12 @@ _Copyright © Daniel Oaks <daniel@danieloaks.net>, Shivaram Lingamneni <slingamn
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- [Commands](#commands)
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- [Working with other software](#working-with-other-software)
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- [Kiwi IRC](#kiwi-irc)
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- [Migrating from Anope or Atheme](#migrating-from-anope-or-atheme)
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- [HOPM](#hopm)
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- [Tor](#tor)
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- [ZNC](#znc)
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- [External authentication systems](#external-authentication-systems)
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- [DNSBLs and other IP checking systems](#dnsbls-and-other-ip-checking-systems)
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- [Acknowledgements](#acknowledgements)
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--------------------------------------------------------------------------------------------
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@ -136,6 +139,16 @@ If you're using Arch Linux, you can also install the [`oragono` package](https:/
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For further information and a sample docker-compose file see the separate [Docker documentation](https://github.com/oragono/oragono/blob/master/distrib/docker/README.md).
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# Environment variables
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Oragono can also be configured using environment variables, using the following technique:
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1. Find the "path" of the config variable you want to override in the YAML file, e.g., `server.websockets.allowed-origins`
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1. Convert each path component from "kebab case" to "screaming snake case", e.g., `SERVER`, `WEBSOCKETS`, and `ALLOWED_ORIGINS`.
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1. Prepend `ORAGONO` to the components, then join them all together using `__` as the separator, e.g., `ORAGONO__SERVER__WEBSOCKETS__ALLOWED_ORIGINS`.
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1. Set the environment variable of this name to a JSON (or YAML) value that will be deserialized into this config field, e.g., `export ORAGONO__SERVER__WEBSOCKETS__ALLOWED_ORIGINS='["https://irc.example.com", "https://chat.example.com"]'`
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## Becoming an operator
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Many administrative actions on an IRC server are performed "in-band" as IRC commands sent from a client. The client in question must be an IRC operator ("oper", "ircop"). The easiest way to become an operator on your new Oragono instance is first to pick a strong, secure password, then "hash" it using the `oragono genpasswd` command (run `oragono genpasswd` from the command line, then enter your password twice), then copy the resulting hash into the `opers` section of your `ircd.yaml` file. Then you can become an operator by issuing the IRC command: `/oper admin mysecretpassword`.
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@ -716,6 +729,17 @@ If this mode is unset, anyone will be able to change the channel topic.
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This mode means that [client-to-client protocol](https://tools.ietf.org/id/draft-oakley-irc-ctcp-02.html) messages other than `ACTION` (`/me`) cannot be sent to the channel.
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### +u - Auditorium
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This mode means that `JOIN`, `PART`, and `QUIT` lines for unprivileged users (i.e., users without a channel prefix like `+v` or `+o`) re not sent to other unprivileged users. In conjunction with `+m`, this is suitable for "public announcements" channels.
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### +U - Op-Moderated
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This mode means that messages from unprivileged users are only sent to channel operators (who can then decide whether to grant the user `+v`).
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### +M - Registered-only speakers
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This mode means that unregistered users can join the channel, but only registered users can send messages to it.
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## Channel Prefixes
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@ -777,7 +801,7 @@ We may add some additional notes here for specific commands down the line, but r
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Oragono should interoperate with most IRC-based software, including bots. If you have problems getting your preferred software to work with Oragono, feel free to report it to us. If the root cause is a bug in Oragono, we'll fix it.
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One exception is services frameworks like [Anope](https://github.com/anope/anope) or [Atheme](https://github.com/atheme/atheme); we have our own services implementations built directly into the server, and since we don't support federation, there's no place to plug in an alternative implementation.
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One exception is services frameworks like [Anope](https://github.com/anope/anope) or [Atheme](https://github.com/atheme/atheme); we have our own services implementations built directly into the server, and since we don't support federation, there's no place to plug in an alternative implementation. (If you are already using Anope or Atheme, we support migrating your database --- see below.)
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If you're looking for a bot that supports modern IRCv3 features, check out [bitbot](https://github.com/jesopo/bitbot/)!
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@ -815,6 +839,18 @@ then add the following `startupOptions` to Kiwi's `static/config.json` file (see
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},
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```
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## Migrating from Anope or Atheme
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You can import user and channel registrations from an Anope or Atheme database into a new Oragono database (not all features are supported). Use the following steps:
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1. Obtain the relevant migration tool from the latest stable release: [anope2json.py](https://github.com/oragono/oragono/blob/master/distrib/anope/anope2json.py) or [atheme2json.py](https://github.com/oragono/oragono/blob/master/distrib/anope/anope2json.py) respectively.
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1. Make a copy of your Anope or Atheme database file. (You may have to stop and start the services daemon to get it to commit all its changes.)
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1. Convert the database to JSON, e.g., with `python3 ./anope2json.py anope.db output.json`
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1. Copy your desired Oragono config to `./ircd.yaml` (make any desired edits)
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1. Run `oragono importdb ./output.json`
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1. Run `oragono mkcerts` if necessary to generate self-signed TLS certificates
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1. Run `oragono run` to bring up your new Oragono instance
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## Hybrid Open Proxy Monitor (HOPM)
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[hopm](https://github.com/ircd-hybrid/hopm) can be used to monitor your server for connections from open proxies, then automatically ban them. To configure hopm to work with oragono, add operator blocks like this to your oragono config file, which grant hopm the necessary privileges:
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@ -919,6 +955,7 @@ Oragono can be configured to call arbitrary scripts to authenticate users; see t
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* `accountName`: during passphrase-based authentication, this is a string, otherwise omitted
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* `passphrase`: during passphrase-based authentication, this is a string, otherwise omitted
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* `certfp`: during certfp-based authentication, this is a string, otherwise omitted
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* `peerCerts`: during certfp-based authentication, this is a list of the PEM-encoded peer certificates (starting from the leaf), otherwise omitted
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* `ip`: a string representation of the client's IP address
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The script must print a single line (`\n`-terminated) to its output and exit. This line must be a JSON dictionary with the following keys:
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@ -944,6 +981,19 @@ print(json.dumps({"success": success})
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Note that after a failed script invocation, Oragono will proceed to check the credentials against its local database.
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## DNSBLs and other IP checking systems
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Similarly, Oragono can be configured to call arbitrary scripts to validate user IPs. These scripts can either reject the connection, or require that the user log in with SASL. In particular, we provide an [oragono-dnsbl](https://github.com/oragono/oragono-dnsbl) plugin for querying DNSBLs.
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The API is similar to the auth-script API described above (one line of JSON in, one line of JSON out). The input is a JSON dictionary with the following keys:
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* `ip`: the IP in a standard human-readable notation, e.g., `1.1.1.1` or `2001::0db8`
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The output is a JSON dictionary with the following keys:
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* `result`: an integer indicating the result of the check (1 for "accepted", 2 for "banned", 3 for "SASL required")
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* `banMessage`: a message to send to the user indicating why they are banned
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* `error`, containing a human-readable description of the authentication error to be logged if applicable
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--------------------------------------------------------------------------------------------
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