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Commit Graph

1729 Commits

Author SHA1 Message Date
Bram Matthys 7801dc888d Move CAP NEW "sasl" sending to after EOS (End Of Synch)
This so saslmechs are properly sent in case of services (re)connect,
otherwise the CAP NEW is sent too early when the saslmechs are
not known yet.
NOTE: This makes sending "EOS" mandatory for any SASL servers.
You should be doing this since 14 years ago (it was added
in 3.2beta18 in August 2003) so hopefully that is the case.
Anope is good anyway :)
2017-10-07 19:40:39 +02:00
Bram Matthys 5c7d89a642 Add support for "CAP extended-join". 2017-10-07 18:33:25 +02:00
Bram Matthys 5124e60b7c Add "CAP chghost" support. Internal recode of userhost changes.
Fix force-rejoin not working if doing SVSMODE -x/+x (Koragg, #5015).

Note to module coders:
Please use the following procedure in case of an user/host change:
* userhost_save_current(acptr);
* << change username or hostname here (or both) >>
* userhost_changed(acptr);
This function will take care of notifying other clients about
the userhost change, such as doing PART+JOIN+MODE if force-rejoin
is enabled, and sending :xx CHGHOST user host messages to
"CAP chghost" capable clients.

Also, small note to everyone:
If force-rejoin is enabled we will not send the PART+JOIN+MODE to
"CAP chghost" capable clients. Doing so is just a hack to notify
people of a userhost change. "CAP chghost" users can thus benefit
from the reduced noise in this respect.
2017-10-07 13:31:30 +02:00
Bram Matthys 0fd265349a Remove HOSTILENAME config.h option since running without it is
and has never been supported.
2017-10-07 09:33:48 +02:00
Bram Matthys 23ce2eaabe It helps if you also update the *.h files to reflect those changes. Duh. 2017-10-07 09:32:09 +02:00
Bram Matthys 3d38adff4f Rename config.h setting CLIENT_FLOOD to DEFAULT_RECVQ since that is what
it is. You should simply set a class::recvq instead of changing this
in config.h.
2017-10-07 09:29:47 +02:00
Bram Matthys 885e474211 Removed option in config.h to disable NO_FLOOD_AWAY. You can already
tweak or disable this via set::anti-flood::away-flood.
2017-10-07 09:25:45 +02:00
Bram Matthys 1a80309314 Remove strange include/config.h option called CMDLINE_CONFIG which
would allow you to use -f even if the IRCd is suid or sgid.
This is not anything we or you ever want to permit since this is
a major security problem. This setting is now gone. I doubt
anyone used it.
2017-10-07 09:22:32 +02:00
Bram Matthys 08496ec47b Remove various #define's from config.h that don't actually do anything
(or are incorrectly documented).
2017-10-07 09:19:14 +02:00
Bram Matthys 7a33a2c019 Move CONNECTTIMEOUT to set::handshake-timeout and clarify the setting
at https://www.unrealircd.org/docs/Set_block#set::handshake-timeout
Requested by marco500 in #5011.
2017-10-07 08:45:48 +02:00
Bram Matthys d6acbf63b0 Move MAXUNKNOWNCONNECTIONSPERIP to set::max-unknown-connections-per-ip.
Rarely tweaked setting, but for those who need it it's easier in the conf.
Requested by marco500 (#5011). For documentation of this setting see:
https://www.unrealircd.org/docs/Set_block#set::max-unknown-connections-per-ip
2017-10-07 08:15:52 +02:00
Bram Matthys 37dbdfeee3 Bump version to 4.0.16-devel. This version is under development.
You should always use https://www.unrealircd.org/ for stable releases.
In case you wondered what happened with 4.0.15: that version consists
of cherry-picked / backports of the two crash fixes from this 'unreal40'
development branch. The current code simply wasn't ready yet for a
rushed security release.
2017-10-01 19:37:29 +02:00
Bram Matthys 5399e060fa Send CAP DEL sasl if set::sasl-server squits and CAP NEW when it returns.
(Only to cap-notify and v3.2 clients, of course)
Also fix a "bug" where sts parameters were not shown in CAP NEW tls.
2017-09-30 15:19:29 +02:00
Bram Matthys ac65e32a26 Add CAP v3.2 support. Add 'cap-notify' support.
Delete CAP CLEAR as it's use is discouraged (too much trouble).
Delete CAP ACK (from client2server) as this is only for CAP's with
ack modifiers. This is something we don't use, and which has been
deprecated in v3.2 of the spec.
2017-09-30 14:34:06 +02:00
Bram Matthys 461fa9a48a Store CAP version in use in sptr->local->cap_protocol. 2017-09-30 12:50:36 +02:00
Bram Matthys 7d381086ad Remove CLICAP_FLAGS_CLIACK. Never understood this idea. Unused and deprecated it seems. 2017-09-30 12:35:56 +02:00
Bram Matthys 44052b86c0 Remove CLICAP_FLAGS_STICKY. We don't use this anyway. 2017-09-30 12:33:57 +02:00
Bram Matthys 838354f155 UnrealIRCd 4.0.14 2017-09-15 10:23:49 +02:00
Bram Matthys 1f856745e5 4.0.14-rc1 2017-09-08 08:16:21 +02:00
Bram Matthys a21222a672 Bump MODDATA_MAX_CLIENT from 8 to 12 and move MODDATA_MAX_* to include/config.h 2017-09-06 16:29:48 +02:00
Bram Matthys edb144d570 Update cipher suite to include TLSv1.3 ciphers.
This so upcoming UnrealIRCd version will work with TLSv1.3 whenever it
becomes an official standard and is included in OpenSSL/LibreSSL.
(Verified to work with openssl git master branch)
2017-09-06 16:09:22 +02:00
Bram Matthys 08bc61ec00 We now refuse to enable SSL/TLS with weak ciphers: DES, 3DES, RC4. 2017-09-06 08:21:14 +02:00
Bram Matthys 1faa91ed0e Add helper function plaintextpolicy_valtochar(). 2017-09-02 15:49:02 +02:00
Bram Matthys 199a7e162d Make new functions more generic and use it from crash reporter so
people with older OpenSSL libraries (and LibreSSL) benefit from
the hostname validation code there as well.
2017-09-01 17:28:49 +02:00
Bram Matthys aa829bce12 New option link::verify-certificate [yes|no]. This will cause UnrealIRCd
to validate the certificate of the link, making sure that:
1) The certificate is issued by a trusted Certificate Authority (CA).
2) The name on the certificate matches the name of the link block.
Some things still need to be done: documentation, more testing, and
using the X509_check_host() function when available.
2017-09-01 17:10:29 +02:00
Bram Matthys ac66a0fe12 Add hostname verification code from ssl conservatory & curl
(will be used in next commit)
2017-09-01 17:02:36 +02:00
Bram Matthys 5ff4fb3f87 Remove old code.. this is already set in link->ssl_ctx by init_ctx().
(tested)
2017-09-01 09:32:51 +02:00
Bram Matthys d53d46fce4 Add set::plaintext-policy block by which you can warn or deny user connections,
ircop /OPER attempts and incoming server linking attempts from connections
that are not encrypted with SSL/TLS.
Documentation: https://www.unrealircd.org/docs/Set_block#set::plaintext-policy
2017-08-16 19:39:28 +02:00
Bram Matthys 40e3e11b61 UnrealIRCd 4.0.13 2017-08-15 12:12:10 +02:00
Bram Matthys 0b5e46cd23 Fix extban_conv_param_nuh not marked as extern. Reported by Gottem (#4975) 2017-08-15 12:08:11 +02:00
Bram Matthys 74d5f380dd A /REHASH from a WebSocket connection would cause a crash (requires
IRCOp privileges). This is a rather technical issue, we now simply
reject the rehash. See comments in code for more information.
2017-08-10 09:02:05 +02:00
Bram Matthys 8ccf5700f1 Prepare for 4.0.13-rc1 2017-08-10 07:46:17 +02:00
Bram Matthys 455420afc1 SNI-specific sts-policy is now possible. (As recommended by IRCv3 draft spec) 2017-08-09 15:39:52 +02:00
Bram Matthys 84776eeeb2 Add support for draft/sts http://ircv3.net/specs/core/sts-3.3.html
Docs: https://www.unrealircd.org/docs/Set_block#set::ssl::sts-policy::port
Example:
set {
    ssl {
        certificate "ssl/server.cert.pem";
        key "ssl/server.key.pem";
        sts-policy {
            port 6697;
            duration 180d;
        };
    };
};
IMPORTANT: Only use this if you know what STS is and what the
implications are. The most important things being A) set a correct
port and B) you need a 'real' SSL certificate and not a self-signed
certificate.

More documentation may follow at another place.
2017-08-09 14:16:03 +02:00
Bram Matthys ea651384f8 Add groundwork for draft/sts (more to follow)
Module coders:
* The cap->visible(void) callback function is now cap->visible(aClient *)
* There is a new cap->parameter(aClient *) callback function.
* Various updates to subfunctions to pass 'sptr' (due to the above),
  including clicap_find(sptr, ...)
* New CLICAP_FLAGS_UNREQABLE flag
Other:
* There is a new (src/)modules/cap directory containing the sts module,
  well.. once I commit it :D
2017-08-09 13:21:36 +02:00
Bram Matthys b2129205f9 Added support for the "Server Name Indication" (SNI) SSL/TLS extension.
See https://www.unrealircd.org/docs/Sni_block
Requested in #4380 by Eman.
2017-08-09 12:00:04 +02:00
Bram Matthys 7b092f7aeb Verify certificate when submitting bug report. 2017-06-19 16:28:50 +02:00
Bram Matthys 0c1f299b0b UnrealIRCd 4.0.12.1 release 2017-06-02 08:56:24 +02:00
Bram Matthys 01687486f0 Bump MAXCONNECTIONS for Windows. Due to FD number assignments this
value needs to be much higher than the number of clients the IRCd
should be able to hold. The new value is 10k which should allow
at least 1-2k clients.
2017-05-12 17:12:18 +02:00
Bram Matthys 3dc27370a1 Prepare for UnrealIRCd 4.0.12 release. 2017-05-12 11:24:36 +02:00
Bram Matthys e62ea1dedd Module coders: added two functions to search for user modes:
has_user_mode(acptr, 'i'): returns 1 / 0
find_user_mode('i'): returns the user mode (as 'long')

extern int has_user_mode(aClient *acptr, char mode);
extern long find_user_mode(char mode);
2017-03-26 15:40:36 +02:00
Bram Matthys ec9db8fd5f Move match_user() to module (efunc in m_tkl) 2017-03-18 15:00:34 +01:00
Bram Matthys f65d5fce8b Add new option: set { hide-list { deny-channel }; };
This will hide channels in /LIST that are denied by deny channel blocks
(and not exempt via allow channel blocks).
2017-03-10 08:48:08 +01:00
Bram Matthys 176566962a Add support for 'mask' in allow channel { } and deny channel { }.
This so you can easily add allow/deny channel blocks for IP ranges.
Possibly not so useful for services-networks (ban/akick is very similar)
but has some use on serviceless networks.
2017-03-08 17:28:15 +01:00
Bram Matthys e44fb1d355 UnrealIRCd 4.0.11 2017-02-10 15:34:05 +01:00
Bram Matthys e0130ab0b6 Fix silly crash issue. 2017-02-10 14:28:32 +01:00
Bram Matthys e09da031cc UnrealIRCd 4.0.10 release 2017-01-13 09:12:52 +01:00
Bram Matthys 90508c74ae UnrealIRCd 4.0.10-rc2 2017-01-06 13:35:31 +01:00
Bram Matthys 6067202cdf Rewrite SJOIN to fix a bug where modes were sometimes cut-off resulting
in incorrect bans being added.
2017-01-06 11:11:19 +01:00
Bram Matthys 5d390811fd UnrealIRCd 4.0.10-rc1 2016-12-31 09:30:12 +01:00