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Commit Graph

124 Commits

Author SHA1 Message Date
Bram Matthys 1f2bb0d89b Delayjoin: if kicking invisible user we used to clear the invisibility
status of the victim (JOIN+KICK). That seems unnecessary to me, since
there is already code in place to handle this -- hopefully it works too.
2019-06-07 14:41:01 +02:00
Bram Matthys 0e68265e12 Remove sock.h old compatibility code. Shouldn't be needed anymore.
(This provided FD_ZERO and such if the OS/libc did not provide it)
2019-06-07 12:42:28 +02:00
Bram Matthys daab5abc92 Manual audit of sendto_one(): add mtags support where necessary. 2019-05-24 21:09:55 +02:00
Bram Matthys 6e5df1a4c0 Add mtags argument to sendto_one(). Phase 1 (automated), next is manual
audit of all sendto_one's. Also it doesn't work yet...
2019-05-24 17:38:48 +02:00
Bram Matthys f8bee4941a Some fixes due to the sendnumeric() migration (see previous commits). 2019-05-22 12:58:38 +02:00
Bram Matthys 7e4bfbc7c3 Move more to sendtxtnumeric()... and some sendnumeric() leftovers. 2019-05-22 12:10:57 +02:00
Bram Matthys 1a4cbb7023 sendnumeric() - phase 2 2019-05-22 11:41:46 +02:00
Bram Matthys c27bb26abc sendnumeric() - stage 1 2019-05-22 10:43:07 +02:00
Bram Matthys 5fb9b12d5e Mass-replace sending of notices with sendnotice(), which exists for quite a while now ;) 2019-05-22 09:34:34 +02:00
Bram Matthys a320bec089 More message tags support in the API. sendto_server() now has mtags
and sendto_match_butone as well.
Still about 15 FIXME's that need to be resolved, but committing early.
2019-05-21 19:00:35 +02:00
Bram Matthys 7204f156c2 Store relative path and is_module_loaded() now has a small behavior change.
You now call it with a path like is_module_loaded("extbans/timedban").
This, among other reasons, so you can differentiate between modules with
the same name, such as "usermodes/noctcp" and "chanmodes/noctcp".
2019-05-17 18:48:37 +02:00
Bram Matthys 5ebd096f16 Initial implementation of message-tags from May 5, 2019.
This also includes buffer modifications to have a larger read buffer
and IRCv3 implementations (partial or not) for:
labeled-response, msgid, server-time, batch and account-tag.

As said, it is the initial and partial implementation.
There are still various FIXME's and TODO's, the API of various
functions may still change (actually that is true for the next
months, even) and some stuff is currently in the core that will
be moved to modules.
2019-05-12 13:46:44 +02:00
Bram Matthys 5c30d1af6d * Badword blocks now use PCRE2 if using regex at all (rare,
usually the fast badwords system is used instead)
* Code deduplication in src/modules/{chanmodes,usermodes}/censor.c
  to src/match.c -- which may be moved later again to efuncs.
* Add --without-tre:
  This means USE_TRE will be enabled by default right now
  but if using --without-tre it will be undef'ed. This so we
  can prepare for the TRE phase-out in 2020.
* Remove include/badwords.h, put contents in include/struct.h
2019-04-05 18:19:23 +02:00
Bram Matthys dd2af3b31c Enable additional compiler warnings. Update code to conform to these
new standards, possible to compile with -Werror with them.
2019-03-27 09:03:30 +01:00
Bram Matthys 5a38d8ed75 Fix misleading indentation. 2019-03-25 18:37:05 +01:00
Bram Matthys ad173cc5d0 Ignore join flood check in channel mode +f when the server just booted.
This new option is called set::modef-boot-delay (default: 75 seconds).
See https://www.unrealircd.org/docs/Set_block#set::modef-boot-delay
2019-03-25 13:27:28 +01:00
Bram Matthys 5b20716e9b [cleanup] floodprot: move set::modef-* handling from core to module. 2019-03-25 13:10:03 +01:00
Bram Matthys cb60bf286d Get rid of this useless DLLFUNC junk. This is only needed for symbols
that need to be visible from the outside of the .DLL (symbol export).
Long story short: you never need to use this yourself in a module.
Where needed it is already handled by UnrealIRCd.
2019-03-23 19:53:12 +01:00
Bram Matthys ac9463a83f Rename hook HOOKTYPE_CAN_SEND_SECURE to HOOKTYPE_SEND_CHANNEL, which is
more descriptive and AFAICT nobody uses this hook in a public 3rd party
module anyway.
2019-01-21 17:02:14 +01:00
Bram Matthys a0167c35c0 Major reorganization of operclass privileges:
* The operclass privileges have been redone. Since there were 50+ changes
  to the 100+ privileges it makes little sense to list the changes here.
  If, like 99% of the users, you use default operclasses such as "globop"
  and "admin-with-override" then you don't need to do anything.
  However, if you have custom operclass { } blocks then the privileges
  will have to be redone. For more information on the conversion process,
  see https://www.unrealircd.org/docs/FAQ#New_operclass_permissions
  For the new list of permissions, with much better naming and grouping:
  https://www.unrealircd.org/docs/Operclass_permissions
The inconsistency in the privileges was initially reported by webczat in
https://bugs.unrealircd.org/view.php?id=4771
The subsequent reorganization took two full days, so.. hopefully the
people who are using - or plan to use - custom operclasses will like the
new layout... except that they need to redo their work of course ;)
2018-12-14 17:05:32 +01:00
Bram Matthys 2509482e02 Update UnrealIRCd version 2018-09-28 09:31:35 +02:00
Bram Matthys d610dfbe9f Duplicate error messages when trying to set channel modes +O/+P.
Reported by FwdInTime in https://bugs.unrealircd.org/view.php?id=4840
2018-09-09 18:03:54 +02:00
Bram Matthys 8b988622cd Fix memory leak in channel mode +f 2018-06-11 08:04:10 +02:00
Bram Matthys 4f0f8478cc Update HOOKTYPE_CHANNEL_SYNCED to get rid of compiler warning.
Can't safely use shorts with variable argument functions I think,
or maybe only with reduced type checking which is not what we want.
-void hooktype_channel_synced(aChannel *chptr, unsigned short merge, unsigned short removetheirs, unsigned short nomode);
+void hooktype_channel_synced(aChannel *chptr, int merge, int removetheirs, int nomode);
2018-04-22 16:02:13 +02:00
Bram Matthys 61f40a59a7 Remove unused events.h 2018-04-22 14:36:21 +02:00
Bram Matthys 9a1a4f13a4 Remove sjoin.h (was included but contents were unused) 2018-04-22 14:32:28 +02:00
Bram Matthys d5d446c38d More code cleanups to get rid of useless casts and other useless
structures such as:
-       lp->value.cp = (char *)MyMalloc(strlen(mask) + 1);
-       (void)strcpy(lp->value.cp, mask);
+       lp->value.cp = strdup(mask);
2018-04-22 14:28:22 +02:00
Bram Matthys 147ae3012b Get rid of about a million (now) useless casts and some re-indenting. 2018-04-22 10:29:36 +02:00
Bram Matthys 079963cdc6 Set prio for HOOKTYPE_CHANNEL_DESTROY to -1mln so other hooks are
called later.
2017-12-06 17:53:26 +01:00
Bram Matthys aa093f3e2b Timedban support in +f [5t#b2]:10 (set 2 minute ban on text flood).
Naturally this is only available if the extbans/timedban module is
loaded and you should do so on all your servers on the same network
if you want to avoid confusion/desynchs.
2017-11-20 09:44:25 +01:00
Bram Matthys eb205e04cc Make types future-proof. Fix ~m case for +M.
BypassMessageRestrictionType -> BypassChannelMessageRestrictionType
BYPASS_MSG_* -> BYPASS_CHANMSG_*
2017-11-19 17:12:28 +01:00
Bram Matthys 1b2b28e6c6 New ban exception ~m:type:mask - allows bypassing of message restrictions.
Valid types are: 'external' (bypass +n), moderated (bypass +m/+M),
'filter' (bypass +G), 'color' (bypass +S/+c) and 'notice' (bypass +T).
Some examples:
* Let LAN users bypass +m: +e ~m:moderated:*!*@192.168.*
* Make GitHub commit bot bypass +n: +e ~m:external:*!*@ipmask
* Allow a services account to use color: +e ~m:color:~a:ColorBot
2017-11-19 16:40:39 +01:00
Bram Matthys 704487e124 Fix numerous crash bugs in server to server code.
In 3.2.x we didn't fix these bugs since servers are trusted and
should send correct commands. In 4.0.x we changed this so we would
fix them when we come across such issues at normal priority (not
consider them security issues). I now took it a step further and
actively checked/looked for these issues and a bunch of them were
found. Almost all are NULL pointer dereferences, with some exceptions.
* S2S: MODE: check conv_param return value (NULL ptr crash)
* S2S: MODE: floodprot: More checks (NULL ptr crash)
* S2S: MODE: OOB write of NULL (write NULL past last element in an array)
* S2S: NICK: old compat fixes (NULL ptr crash)
* S2S: PROTOCTL: Check for double SID=
* S2S: SERVER: require at least 3 parameters (NULL ptr crash)
* S2S: SJOIN: require at least 3 parameters (NULL ptr crash)
* S2S: SJOIN: Fix OOB read (read 1 byte past buffer)
* S2S: TKL: validate set_at and expire_at (NULL ptr crash)
* S2S: TKL: require at least 9 parameters for spamf, not 8 (NULL ptr crash)
* S2S: TKL: ignore invalid spamfilter matching type (remove abort() call)
* S2S: TOPIC: querying for topic is not permitted (NULL ptr crash)
* S2S: UID: require 12 parameters (NULL ptr crash)
* S2S: WATCH: this is not a server command (NULL ptr crash)
* Fix OOB read (1 byte beyond string) for timevals. This was reachable
  from config code, TKL (S2S) and /*LINE (Oper). In practice no crash.
* MODE: make code less confusing (effectively no change)
* TRACE: remove strange output in case of 0 lines of output
* Fix unimportant memory leak on boot (#4713, reported by dg)
* Fix small memory leak upon 'DNS i' (oper only command)
* Always work on a copy in clean_ban_mask(). This fixes a bug that could
  result in a strlcpy(buf, buf, sizeof(buf)). So, overlapping strings,
  which is undefined behavior.
2017-10-29 11:20:52 +01:00
Bram Matthys 77234b2b8d API change for HOOKTYPE_PRE_INVITE and fix #5023:
* API change for HOOKTYPE_PRE_INVITE:
  (aClient *sptr, aClient *target, aChannel *chptr, int *override)
  Modules must now send the error message instead of only returning
  HOOK_DENY. Also check for operoverride and set *override=1.

This so modules can send their own error messages instead of the
default message being sent ("channel is +V" - which is not true).

Reported by Gottem (#5023).
2017-10-23 10:07:33 +02:00
Bram Matthys 1d659296c2 Fix Windows compile problem 2017-10-11 17:33:39 +02:00
Bram Matthys 5c7d89a642 Add support for "CAP extended-join". 2017-10-07 18:33:25 +02:00
Bram Matthys 6dd147b941 Fix 2nd crash bug. Found when searching for related crash issues. 2017-10-01 13:19:12 +02:00
Bram Matthys e6a02003f5 Delayjoin (chanmode +D): When people are de-oped we now part 'hidden' users.
Prevents client desynch.
2017-03-22 08:25:03 +01:00
Bram Matthys cb59538309 Fix chanmode +f issue where unsetting parts were not effective.
For example: '+f [5j#i1,5m#m1,3n]:3' and then '+f [5j#i1,5m]:3'
In that case the '3n' was not removed and still effective, as
could be seen by a '/MODE #chan'. Reported by The_Myth (#4883).
2017-03-06 10:05:30 +01:00
Bram Matthys 2a83066f67 Channel modes were not working. 2017-02-10 22:14:41 +01:00
Bram Matthys 5fcff0dd90 Make +z in set::modes-on-join work (and auto +Z setting). Reported by FwdInTime (#4841). 2017-02-10 14:24:10 +01:00
Bram Matthys bff5e39d67 Fix crash on PART if chanmodes/nocolor module is not loaded or loadmodule
line reordered so nocolor is above m_part. Reported by FwdInTime (#4783).
2016-12-30 16:27:35 +01:00
Bram Matthys 1f1ac6c4ee Less duplicate code: add internal function invisible_user_in_channel()
and remove many calls to HOOKTYPE_VISIBLE_IN_CHANNEL + flag checking.
2016-12-27 20:22:12 +01:00
Bram Matthys 99e087d50c Remove temporary workaround and actually fix stuff in QUIT for delayjoin. Add new function user_can_see_member()... 2016-12-27 20:02:35 +01:00
Adam c5af738273 Fix delayjoin 2016-12-19 17:39:25 -05:00
Bram Matthys 52df9937be Re-indent / conform to existing code style 2016-10-01 10:20:01 +02:00
Bram Matthys 5bc9b63855 Delayjoin (+D): JOIN user before message and not after. 2016-10-01 10:15:04 +02:00
blank4 4153df7f8f use #include "unrealircd.h" in modules/chanmodes 2016-01-13 11:38:21 +00:00
Bram Matthys db70f68f5e Fix module description. Reported by DBoyz. 2015-12-28 15:11:33 +01:00
Bram Matthys b2da8251d8 Fix crash on boot if set::modes-on-join contains channel mode 'f'. Reported by LinkServ (#4461). 2015-11-11 10:23:56 +01:00