Commit graph

794 commits

Author SHA1 Message Date
Keith Buck
5bd79c2c56 res.c: Try other servers if errors or corrupt replies are encountered.
Currently, the resolver treats SERVFAIL, NOTIMP, and REFUSED queries the
same as NXDOMAIN, but this really should not be the case. Instead, if
the DNS server errors on our request or provides an invalid request, try
another server.

Also, count DNS server errors in addition to timeouts and avoid these
undesirable servers.
2012-10-09 05:58:02 +00:00
William Pitcock
deb24d2b31 reslib: remove advertising clause, which was dropped as a requirement by the copyright holder.
(See http://svnweb.freebsd.org/base/head/COPYRIGHT?view=co).
Closes #5.
2012-09-29 17:08:40 -05:00
William Pitcock
c4e81ae9e9 m_starttls: handle error condition with ERR_STARTTLS (691) numeric per tls-3.2 specification 2012-09-22 19:31:55 -05:00
William Pitcock
3e54d7bfb0 Define RPL_STARTTLS. 2012-09-22 14:04:57 -05:00
Jilles Tjoelker
8d20b088f9 In capability_get(), if a capability is not found, return 0 instead of all-ones.
Returning all-ones will set all caps if an unknown cap name is passed.
2012-07-03 19:16:31 +02:00
Jilles Tjoelker
33b214fa42 Fix capability_index_list(), used e.g. in /stats ? capability output. 2012-07-03 19:15:25 +02:00
Jilles Tjoelker
89fd463e59 Add needed space between "TS6" or "SSL" and capabs from CAPAB in /stats ?. 2012-07-03 19:11:15 +02:00
Jilles Tjoelker
f3b3ad0b07 chmode: Allow mode queries on mlocked modes.
Check mlock at the same point where chanops are checked (except for
querying a +e/+I list) and abstract this check into a function.

In particular, /mode #channel f is now again allowed if +f is mlocked.
2012-06-19 00:33:29 +02:00
Jilles Tjoelker
294d32bf16 If umode +D or +g are oper-only, don't advertise them in 005. 2012-05-27 22:46:24 +02:00
Keith Buck
c46a4ecd97 Move marking of services entirely to m_services.c; mark all services when m_services loads and unmark them when it unloads. 2012-05-21 21:03:56 +00:00
Keith Buck
7d60375446 Add new conf_read_start and conf_read_end hooks. 2012-05-21 20:22:07 +00:00
William Pitcock
f30a5ee4c4 Remove MODE_NOCTCP from core, in favor of chm_noctcp. 2012-03-31 22:48:36 -05:00
William Pitcock
67aeaba593 Remove MODE_NOCOLOR from core, replacing it with modules/chm_nocolour.so. 2012-03-31 22:26:45 -05:00
William Pitcock
ca4c2a86ee Add support for hookifying PRIVMSG/NOTICE.
This will allow us to modularize message processing, e.g. having new modules to manipulate
channel and private messages in new ways.

Yes: it can be used to intercept messages, but such modules are already out in the wild for
charybdis anyway -- so this doesn't really change anything there.

If you are changing the text, then it is your responsibility to provide a pointer to a new
buffer.  This buffer should be statically allocated and stored in your module's BSS segment.
We will not, and cannot, free your buffer in core, so dynamically allocated buffers will
cause a memory leak.

This will allow us to simplify m_message considerably, by moving channel mode logic out to
their own modules.
2012-03-31 21:23:01 -05:00
Jilles Tjoelker
34616c3be1 change_nick_user_host: Only send +n snotes about local clients. 2012-03-27 00:46:50 +02:00
Keith Buck
ae4ce45f2e change_nick_user_host: Send nick change notices to SNO_NCHANGE opers when change_nick_user_host is called to only change nick. 2012-03-25 01:59:20 +00:00
Keith Buck
07d3283f38 RESV FNC: Sign off/on monitor, and don't try to FNC users that already have a UID nick. 2012-03-25 01:49:34 +00:00
Keith Buck
330692a1f2 Add option to immediately apply nick RESVs by FNC'ing. 2012-03-25 01:34:45 +00:00
Keith Buck
521f9d63a9 client.c: Fix spelling/grammar in comments. 2012-03-18 01:28:55 +00:00
Keith Buck
bc4dea6937 target change: Propagate restricted addresses. 2012-03-18 01:18:57 +00:00
William Pitcock
02270e9602 Add listen::defer_accept option for controlling usage of TCP_DEFER_ACCEPT option. 2012-03-17 10:00:39 -05:00
Nathan Phillip Brink
80e49b4ca8 Run make depend. 2012-03-01 03:51:33 +00:00
Nathan Phillip Brink
96b8a6edce Fix bandb's interaction with --enable-fhs-paths by storing ban.db in the correct directory, pkglocalstatedir. 2012-03-01 03:39:54 +00:00
Nathan Phillip Brink
c74836dc4a Add explicit support for being installed into a system triggered with --enable-fhs-paths.
Add two mechanism for avoiding name-collisions in a system-wide
installation of charybdis. The ssld and bandb daemons, intended to be
directly used by ircd and not the user, install into libexec when
--enable-fhs-paths is set. For binaries which are meant to be in PATH
(bindir), such as ircd and viconf, there is now an option
--with-program-prefix=progprefix inspired by automake. If the user
specifies --with-program-prefix=charybdis, the ircd binary is named
charybdisircd when installed.

Add support for saving the pidfile to a rundir and storing the ban
database in localstatedir instead of in sysconfdir. This is, again,
conditional on --enable-fhs-paths.

Fix(?) genssl.sh to always write created SSL key/certificate/dh
parameters to the sysconfdir specified during ./configure. The
previous behavior was to assume that the user ran genssl.sh after
ensuring that his current working directory was either sysconfdir or a
sibling directory of sysconfdir.
2012-03-01 02:41:09 +00:00
Nathan Phillip Brink
414c5f7d9b Fix parallel compilation issue when building lexer/parser. 2012-02-28 04:36:00 +00:00
William Pitcock
63a0ed0604 numeric: reserve RPL_SASLMECHS (908) 2012-02-21 09:15:15 -06:00
Jilles Tjoelker
d42e6915cf Pace aways.
This becomes important because of away-notify sending aways to common
channels much like nick changes (which are also paced).

Marking as unaway is not limited (but obviously only does something if the
user was away before). To allow users to fix typos in away messages, two
aways are allowed in sequence if away has not been used recently.
2012-02-18 16:32:57 +01:00
Keith Buck
e88a1f1b15 Add ratelimit for high-bandwidth commands. 2012-02-18 03:54:44 +00:00
Jilles Tjoelker
7f0fc87d3c Include forward channels when bursting bans to servers.
Obtained from:	ircd-seven (spb)
2012-02-16 23:36:05 +01:00
Keith Buck
c5bbc60375 Add away-notify client capability. 2012-02-14 14:15:44 +00:00
Keith Buck
3e910a1847 chmode.c: Fix bug in printing removed bans. 2012-02-06 16:38:10 +00:00
William Pitcock
a16910aa4e capability: add capability_index_stats() for getting statistics about the capability broker system 2012-02-04 21:27:43 -06:00
William Pitcock
885cd603b5 capability: add global list of capability indexes, and name all capability indexes 2012-02-04 21:16:40 -06:00
Jilles Tjoelker
bde42c6063 Don't shadow the name "index". 2012-02-04 15:15:26 +01:00
William Pitcock
8bedf01d19 capability: store capability bit entries with actual bit numbers, instead of as an expanded mask
This makes accounting of number of bits allocated easier.  Specifically, the amount of allocated
bits is computed by doing (index->highest_bit - 1) in code.
2012-02-04 05:23:15 -06:00
William Pitcock
e915e51f4d capability: don't use DictionaryIter internals.
it's just ugly now that we're providing our own copies of keys.
2012-02-04 05:13:04 -06:00
William Pitcock
e679e38906 capability: do not use strings provided by modules for keyword index, instead duplicate the keyword. 2012-02-04 04:47:37 -06:00
William Pitcock
f01f67f0ad capability: add capability_require(). 2012-02-04 02:00:33 -06:00
William Pitcock
0582290f21 capability: missed one 2012-02-04 01:58:07 -06:00
William Pitcock
5058c8ebce capability: change CapabilityIndex.orphaned to (CapabilityIndex.flags & CAP_ORPHANED)
This makes it possible to add other flags to capabilities.
2012-02-04 01:55:11 -06:00
William Pitcock
346fba9252 Migrate capability negotiation code to new dynamic capability management API.
This needs a lot of testing, obviously.
2012-02-04 01:47:46 -06:00
William Pitcock
ec3a9055f2 capability: add capability_index_mask() which calculates old CAP_MASK 2012-02-04 00:39:53 -06:00
William Pitcock
5e773521a9 capability: add capability_index_list() to build a list of capabilities given an index and mask 2012-02-04 00:36:42 -06:00
William Pitcock
64b56afd8c Add a new dynamic capability manager.
Specifically, what this capability manager does, is map keywords to
calculated bitmasks.  These bitmasks are allocated at runtime, so that
the any managed capability index can be manipulated by modules.

Modules should call capability_orphan() when orphaning capabilities.  This
makes it so that bitmasks aren't reallocated, except for cases where the
capability is the same.
2012-02-04 00:05:13 -06:00
William Pitcock
481b443b4d Missed a few -Wformat-security warnings. 2012-01-25 13:24:04 -06:00
William Pitcock
32ea9d3d83 Fix some warnings when using -Wformat-security on Alpine. 2012-01-25 13:22:56 -06:00
Jilles Tjoelker
1c60de9757 Check +bq against underlying IPv4 as well.
As with k/dlines, exceptions (here +eI) are not checked.
2012-01-08 16:39:11 +01:00
Jilles Tjoelker
fe74401bf0 Add one more const. 2012-01-08 16:25:34 +01:00
Jilles Tjoelker
d9af501aa8 Fix a warning about const with forward channels. 2012-01-08 16:23:18 +01:00
Jilles Tjoelker
a14de124d6 Remove code duplication between is_banned() and is_quieted(). 2012-01-08 16:21:07 +01:00
Jilles Tjoelker
d006b551c8 Check k/dlines against underlying IPv4 as well. 2012-01-08 15:51:48 +01:00
Jilles Tjoelker
ae52fe0ff7 Show underlying IPv4 in a remote whois. 2012-01-08 15:51:48 +01:00
Jilles Tjoelker
524a5b3ac7 Add code to get IPv4 addresses from 6to4 and Teredo IPv6 addresses.
It is not used yet.
2012-01-08 15:51:44 +01:00
Jilles Tjoelker
be0365e152 Add an error message if a ban mask is invalid.
This is given if the ban mask is too long, it is an invalid extban or the
forward channel is invalid and no other message has been given about that.
2011-12-18 23:24:22 +01:00
Jilles Tjoelker
f2edb2be59 Disallow '$' in forward targets only, rather than all channel names. 2011-12-11 16:56:37 +01:00
Jilles Tjoelker
e238d01db9 If use_forward is off, ignore forwarding bans rather than stripping the channel.
We do not want to set $r:* if $r:*$* was requested.
2011-12-10 17:17:13 +01:00
Jilles Tjoelker
5efa7ef677 Do not allow forward channels for +qeI, as in ircd-seven. 2011-12-10 00:58:08 +01:00
Jilles Tjoelker
e1dc9e549f Apply the same restrictions to ban forwarding as to +f. 2011-12-10 00:45:57 +01:00
Jilles Tjoelker
0c7303213e Move checks for forward channels to a separate function.
No functional change is intended.
2011-12-10 00:40:07 +01:00
Jilles Tjoelker
0ea417c4a4 Disallow $ in usernames as this may cause problems with ban forwarding. 2011-12-06 00:01:59 +01:00
Jilles Tjoelker
ca8ff4830b Force nicklen (all flavours) to be at least 9. 2011-11-29 23:41:18 +01:00
William Pitcock
c68d30f70b Switch to ircu NICKLEN/MAXNICKLEN semantics.
Clients should use MAXNICKLEN for preallocation, and NICKLEN should be treated as
informative.
2011-11-29 16:24:48 -06:00
William Pitcock
a83486bfe6 Remove nicklen_set barrier.
Since serverinfo::nicklen only controls NICKLEN_USABLE, we do not need to have a
barrier here.
2011-11-29 16:19:37 -06:00
William Pitcock
7b42eab627 Make sure ConfigFileEntry.nicklen follows the same semantics as real NICKLEN.
Otherwise, truncation would be one byte too short on nick changes.
2011-11-29 16:16:38 -06:00
William Pitcock
b583faf970 Add support for customizing the usable nick length.
This adds a new ISUPPORT token, NICKLEN_USABLE which is strictly an informative value.
NICKLEN is always the maximum runtime NICKLEN supported by the IRCd, as other servers may
have their own usable NICKLEN settings.  As NICKLEN_USABLE is strictly informative, and
NICKLEN is always the maximum possible NICKLEN, any clients which depend on NICKLEN for
memory preallocation will be unaffected by runtime changes to NICKLEN_USABLE.

The default NICKLEN is 50; the default serverinfo::nicklen in the config file is set to
30, which is the NICKLEN presently used on StaticBox.
2011-11-29 16:10:21 -06:00
Jilles Tjoelker
0cce01d388 Fix -Wformat errors found in ircd-ratbox.
We cannot use -Wformat meaningfully but ircd-ratbox trunk can.
2011-11-13 00:22:09 +01:00
Stephen Bennett
a695b0e40e Apply extended-join client cap to QJM joins 2011-11-12 14:41:01 +00:00
Jilles Tjoelker
d74fa5b502 Prefer PATH_MAX to non-standard MAXPATHLEN. 2011-10-28 16:45:18 +02:00
Jilles Tjoelker
c55b2782fc Properly update 004/005 when a rehash changes use_forward. 2011-10-25 00:38:27 +02:00
Stephen Bennett
717f809762 Don't treat +r specially when displaying supported channel modes.
This used to be only advertised if a service was linked, which made
sense in ratbox when +r was only settable if services were available.
Now, however, +r is always available and so should always be advertised.
2011-10-24 19:59:31 +01:00
Jilles Tjoelker
db6b1735cf ilog_error: Avoid overwriting errno before sending it to opers. 2011-10-21 23:21:22 +02:00
Jilles Tjoelker
894325fe41 Force client_flood_burst_rate and client_flood_burst_rate to at least rfc1459 values (5). 2011-10-04 22:16:01 +02:00
Jilles Tjoelker
5a72f20c2c Limit sent_parsed to the highest possible value in the current config.
After a configuration change (or deoper with no_oper_flood) sent_parsed
might be way higher than allow_read, so that the user would have to wait
a long time before the server responds. Avoid this.
2011-10-04 01:08:12 +02:00
Jilles Tjoelker
a75bf40dad Fix weirdness with client_flood_burst_rate and client_flood_burst_max.
They are now in messages, even if client_flood_message_time is not 1.

If client_flood_message_time is not 1 (by default it is), this needs a
configuration change to maintain the same behaviour.
2011-10-04 00:57:49 +02:00
Jilles Tjoelker
d182b85454 Minor cleanup to command throttling code:
* Deduce allow_read from the client's state (IsFloodDone) rather than
   storing it in LocalUser.
 * Fix the documentation (in oper /info), however strange
   client_flood_burst_rate and client_flood_burst_max may seem, that is
   how they currently work.
2011-10-04 00:46:00 +02:00
Jilles Tjoelker
f9dda63969 Disable LocalUser.actually_read (write-only field). 2011-10-04 00:25:22 +02:00
Jilles Tjoelker
c598ff7b04 Fold client_flood_burst_rate check into MAX_FLOOD_BURST.
The original definition of floodgrace was MAX_FLOOD_BURST lines per second.
A second check for another number of lines per second makes no sense.
2011-10-04 00:21:19 +02:00
Jilles Tjoelker
41ca4cac35 Enforce the average allowed send rate is at least the one allowed by rfc1459. 2011-10-04 00:13:53 +02:00
Jilles Tjoelker
1aa35c8af1 Make sure to check the length of a ban mask before removing a forward channel.
Otherwise a line might be truncated later, leading to desyncs.
2011-09-25 16:25:17 +02:00
Jilles Tjoelker
2da6f6ebd7 Put back use_forward. 2011-09-25 16:22:29 +02:00
Jilles Tjoelker
93fbe9c349 Fix double-free when removing a ban.
del_id() should not free the ban anymore, its caller does that now.
2011-09-14 00:52:56 +02:00
Jilles Tjoelker
f890420014 Ensure all signals keep working after a SIGINT restart.
After setting up signal handlers, unmask the signals we care about
(installed handlers for).

When handling SIGINT, the kernel adds SIGHUP and SIGINT to the signal
mask (as requested in sigaction()); if execve() is called from the
signal handler, this change is persistent.
2011-08-31 01:04:40 +02:00
Elizabeth Jennifer Myers
25ea5d2fac Fix git fuckery.
Apparently my tree got horribly corrupted.
2011-08-12 21:27:52 -04:00
Elizabeth Jennifer Myers
73d0f900c0 chmode: fix construct_cflags_strings.
Accidentally ported too much from ircd-seven. Fix this.
2011-08-12 21:09:13 -04:00
Elizabeth Jennifer Myers
765d839d3c Port ircd-seven banfowards to charybdis.
nenolod gave the thumbs-up to port ircd-seven banfowards to charybdis to spb
for a while, and people have asked about it. Might as well do it since it's a
slow weekend.

Note that as a side effect use_forward is removed from the config and
unconditionally enabled!
2011-08-12 20:33:10 -04:00
Jilles Tjoelker
2a483a807d Remove a stale comment. 2011-08-07 22:04:16 +02:00
Elizabeth Jennifer Myers
7eec45bc9d Back out chanroles.
While what chanroles are trying to accomplish is a good idea, it is
apparently unclear this is the proper way to do it. Until we figure out
the exact way we wish to do this, it should be reverted for now.
2011-07-07 21:24:14 -04:00
Elizabeth Jennifer Myers
e794d39a80 Add client interface for GRANT.
TODO: implement notifications of grant privilege changes to the target.
2011-07-06 17:25:26 -04:00
William Pitcock
f3bfe2c271 chanroles: instead of checking for chanop + CHANROLE_UNSET combination, grant a default set of flags.
this allows ops with zero effective privilege.
2011-07-06 15:12:46 -05:00
William Pitcock
ae79dab6ae chanroles: grant initial set of flags to people added to a channel with CHFL_CHANOP.
this allows us to, later on, add a hook that will enable us to disable channel ops entirely
without causing permissions revocation.
2011-07-06 15:00:32 -05:00
Elizabeth Jennifer Myers
6d8ec56083 Add chanroles to isupport so clients know it exists. 2011-07-06 13:50:36 -04:00
Elizabeth Jennifer Myers
8aabb973c0 Implement chanroles, as discussed with nenolod.
The theory behind this is that services sends an ENCAP * GRANT #channel
UID :+flagspec message specifying the chanroles the user has. They are
mapped into flag bits and applied to the membership of the user. They
then are restricted or permitted to what they can do based on the
permissions mask regardless of rank.

For backwards compatibility, the default permission bit (without a GRANT
statement) allows a user to to anything an existing op can do ONLY if
they are an op.

Todo: make CHANROLE_STATUS work (the ability to apply +ov to people),
which is at the moment controlled by CHANROLE_MODE.
2011-07-06 13:46:22 -04:00
Keith Buck
ab894d74fe Add target change spam notice. 2011-05-16 15:29:09 -07:00
William Pitcock
8bd1c8a19a branding: denote custom branding in ircd -version 2011-05-08 09:11:50 -05:00
William Pitcock
f5493691ed branding: if CUSTOM_BRANDING is defined, display charybdis version in /info
(based on ircd-seven rebrand patch)
2011-05-08 09:06:19 -05:00
Jilles Tjoelker
b19d3c5186 Style: use a consistent order for the _C constants. 2011-03-31 00:05:42 +02:00
Stephen Bennett
94d86632dc Disallow mIRC italics in channel names when disable_fake_channels 2011-03-30 11:30:47 +01:00
Stephen Bennett
e6e54763d9 Make flood control settings configurable by those who know exactly what they're doing.
From ircd-seven git changeset 29aa4203150337925a4f5c6e7da47be5394c2125 .
2011-03-27 16:35:26 -04:00
Stephen Bennett
5fabe51369 Don't allow +Z to be set by default_umodes 2011-03-11 13:12:40 +00:00
Elizabeth Jennifer Myers
0a1e77c27c Support IPv6 blacklists. Also add a conf file option allowing the use of IPv4, IPv6, or both for a blacklist.
Although few blacklists currently support IPv6 lookups, they will likely begin to do so in the near future as more net trash begins using IPv6.
2011-02-27 16:38:05 -05:00