Reported by Valware. E.g. if HOOKTYPE_CAN_JOIN rejects the join
when it is a new channel.
( And yeah... +P channels are not destroyed... handled in
sub1_from_channel() -> HOOKTYPE_CHANNEL_DESTROY already. )
Reported by hnj in https://bugs.unrealircd.org/view.php?id=6418
Appears to have been introduced as part of the 6.x refactor of secret/private channel modes in 8066c13876
Also adjust message for ERR_OPERSPVERIFY to include channel name.
This is to correspond closer to other similar numerics around this area, as well as agreeing with the definition within modern.
https://github.com/unrealircd/unrealircd/pull/265 by Valware
"This is an IRCv3 extension which lets clients opt-out of receiving /names on join.
This is useful for bots on large channels who do not need to know who is in the channel.
Specification: https://ircv3.net/specs/extensions/no-implicit-names"
+ module rename from 'no-implicit-names-cap' to 'no-implicit-names'
(simply because no other modules has that -cap suffix)
+ update to Makefile.windows
It is now possible to override some set settings per-security group by
having a set block with a name, like `set unknown-users { }`
* You could use this to set more limitations for unknown-users:
```
set unknown-users {
max-channels-per-user 5;
static-quit "Quit";
static-part yes;
}
```
* Or to set higher values (higher than the normal set block)
for trusted users:
```
security-group trusted-bots {
account { BotOne; BotTwo; }
}
set trusted-bots {
max-channels-per-user 25;
}
```
* Currently the following settings can be used in a set xxx { } block:
set::auto-join, set::modes-on-connect, set::restrict-usermodes,
set::max-channels-per-user, set::static-quit, set::static-part.
the default set::max-channels-per-user (also called set::maxchannelsperuser).
This way you can give known-users a higher max-channels-per-user,
or even a special security group for trusted users (that you may
already have given a more lax flood setting and lower lag-penalty
etc. etc. so that fits in nicely)
And yeah this also:
* Makes it both in set and the anti-flood block accept both
maxchannelsperuser and max-channels-per-user.
* Removes old MAXCHANNELS= in 005, as we already have CHANLIMIT=
This does not:
* Re-announce the 005 CHANLIMIT= if someone transitions from a security
group with a different max-channels-per-user. We don't do that for
IRCOps either, and I think no IRCd does that actually...
To be honest i wonder if sending the limit in 005 is useful at all,
do client really track this and limit their GUI based on it?? Doubt it!
When sending to channel members this will cache full IRC protocol
lines, including message tags and \r\n, for similar clients.
This avoid the need for many mtags_to_string() calls and also
entire parts of sendbuf_to_one() can be skipped as well.
The "Similar clients" cache entries are defined as clients that:
1) Are of the same type: normal local client, ircop local client
or remote client.
2) Have the same CAPs set, that is: we only look at CAPs that actually
have anything to do with message tags ('clicaps_affecting_mtag')
3) Optionally there can be an explicit line_opts. It is not used yet
but could be used when there are different type of lines sent
depending on other criteria, such as chanop status or something
else that doesn't fit in #1 and #2.
and as it should be IMO. Both for invites by channel ops and for OperOverride.
This also fixes a bug where an IRCOp with OperOverride could not bypass +l
and other restrictions. Only +b and +i could be bypassed.
Module coders: HOOKTYPE_OPER_INVITE_BAN is now gone and HOOKTYPE_INVITE_BYPASS
is now new. The HOOKTYPE_INVITE_BYPASS is called when the user is joining
a channel to which they were invited to. If you return HOOK_DENY there then
the join is still blocked, otherwise it is allowed.
Using this hook would be sortof unusual since usually you would want users
to be able to bypass restrictions when they were invited by another user
or when they invited themselves using OperOverride.
The only example where we use it in UnrealIRCd is for +O channels so an
IRCOp cannot use OperOverride to join +O channels when they would otherwise
not be allowed to do so. Actually even that is a corner case that you could
debate about, but.. whatever.
Reported by ZarTek-Creole in https://bugs.unrealircd.org/view.php?id=6114
We now call HOOKTYPE_LOCAL_CHANMODE on the modes we set in modes-on-join,
where 'client' is '&me'. Should be fine, as we already did the same for
+P modes (indirectly) in channeldb.
using mixed UnrealIRCd 5 and UnrealIRCd 6 networks.
This is a slightly complex rewrite of make_mode_str() and do_mode(),
as we nog go from single mode lines to potentially multiple mode lines.
In short: whenever we would be near buffer cut-off point (the famous
512 byte limit) then previously we would prevent the mode, though not
succesfully in all cases where a network consists of mixed 5.x and 6.x.
From this point onward we no longer do that. Instead we convert one
MODE command to two MODE lines if that is needed.
The benefit of this is that we no longer prevent it BEFORE processing
the MODE, which is a flawed method and could be wrong (causing desyncs).
And also, we no longer partially ignore MODE lines from clients when
they would cause the limit to be exceeded, as we replace them with
two MODE lines instead.
These are more changes than I wanted at such a late point but.. they seem
to be necessary to prevent U5-U6 compatibility issues.
This also changes the remove_user_from_channel() function to have an
extra parameter to hide it from logs. This is used for KICK (already
logged) and QUIT (which would be stupid to generate 10 part log lines for).
an extra char **errmsg argument. Upon failure (non zero return value)
this should contain a format string to be sent to the client
(with the return value denoting the number of the numeric).
This gets rid of sendnumeric_legacy() in join.c
This already found a few issues.
As a side-effect, this also means you can only use RPL_xxx and
ERR_xxx in the 2nd argument from now on. You can no longer use
a dynamic integer (eg 'reply') at runtime, since then the format
string cannot be checked.
More to follow, after making sure it works on Windows too.
It means you can no longer modify eg parv[1] in-place with strtoken and such.
The main reason for this is that as a command handler you have no idea
where the arguments may come from. It could be from a do_cmd() with
read-only storage (eg a string literal) and so on.
It started with an experiment of how far I could get and how annoying the
side-effects would be, but they seem to be quite managable, so I'm
committing this stuff.
Hopefully this catches/solves some stupid bugs somewhere :)
- For HOOKTYPE_LOCAL_JOIN and HOOKTYPE_REMOTE_JOIN: drop parv[] argument
as it was useless anyway, it only contained the channel name in parv[1]
but never the key, sometimes was entirely NULL even.
- For HOOKTYPE_PRE_LOCAL_JOIN instead of char *parv[] we now pass
const char *key. As predicted more than a year ago when fixing
0902ed7a99
* channel->mode.extmode to channel->mode.mode
* channel->mode.extmodeparams to channel->mode.mode_params
This because all channel modes that are set there are extended channel
modes, only lists are still in core atm and they never get set here.
Just as a reminder: don't blindly assume that if anything is set here
that the user is logged in, there is IsLoggedIn(client) for that.
Reason: if the account name starts with a digit or is "*" then the
user isn't actually logged in ;)
change some more calls to make_channel() to use find_channel().
Also make it take 1 argument instead of 3.
Needed to be careful in sjoin code since the previous code set
channel->creationtime to 0 if client was a remote. Now merged
a few if's into one. Should be correct :D.
Based on previous reports and patches from k4be in
https://github.com/unrealircd/unrealircd/pull/129
Looks much cleaner now.
This also filters out the edge case where user_account_login()
could have been called when a user transitioned from "not logged in"
to "unconfirmed account". It did not cause any issues AFAICT but
it is not really expected either.
They were already ignored in MODE by remote UnrealIRCd servers,
but this makes it so local modes (+Z and +d at the moment)
are not sent across the wire.
This also changes the channel_modes() function to have an additional
'hide_local_modes' argument. Set this to 1 if you are building a
buffer that will be sent to remote servers, otherwise use 0,
which is far more common.
Also, this will skip saving of local channel modes to channeldb
since all of these are temporary, or at the moment anyway.
Thanks to alice for reporting this bug and providing a good test
case to help fix this issue and the previous ones.
Bram Matthys