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Commit Graph

4309 Commits

Author SHA1 Message Date
Bram Matthys 5f116cc64e Part one of soft gline/kline (more information will follow) 2018-09-03 17:07:22 +02:00
Bram Matthys 2537fb5e1c extbans/textban was not working properly on words with dots
Reported by The_Myth in https://bugs.unrealircd.org/view.php?id=4909
2018-09-02 21:55:57 +02:00
Bram Matthys d3dba63f56 AntiRandom: The module will now (by default) exempt WEBIRC gateways
from antirandom checking because they frequently cause false positives.
This new behavior can be disabled via:
set { antirandom { except-webirc no; }; };
Suggested by The_Myth in https://bugs.unrealircd.org/view.php?id=5007
2018-09-02 12:34:03 +02:00
Bram Matthys 5f597c0b08 Sync 'webirc' status of a client with the rest of the network (via ModData).
Also necessary for upcoming commit..
2018-09-02 12:16:45 +02:00
Bram Matthys cab8ea7066 * Potential crash issue when concurrently checking DNSBL for the WEBIRC
gateway and the spoofed host.
2018-09-02 12:16:15 +02:00
Bram Matthys 883a5fe413 * The except throttle { } block now also overrides any limitations from
set::max-unknown-connection-per-ip. Useful for WEBIRC/cgiirc gateways.
Reported by KnuX https://bugs.unrealircd.org/view.php?id=5088
2018-09-02 11:40:15 +02:00
Bram Matthys b1b73e0e56 * Localhost connections are considered secure, so these can be used even
if you have a plaintext-policy of 'deny' or 'warn'. (This was already
  the case for servers, but now also for users and opers)
https://bugs.unrealircd.org/view.php?id=5108
2018-09-02 11:24:19 +02:00
Bram Matthys d86d4c7c71 Add new option: blacklist-module "<modulename>";
This is meant to blacklist modules that are in modules.default.conf (or
elsewhere). The 'loadmodule' line for any such module is effective ignored.
https://bugs.unrealircd.org/view.php?id=5118
Note: I had to move the loadmodule code. Previously this was done as each
config file (include) was loaded into memory. Now it is done after *ALL*
config files have been read into memory. This shouldn't matter for module
devs, though..
2018-09-01 20:31:14 +02:00
Bram Matthys 8150c6c237 Change default library paths for Visual Studio 2017 lib build.
Will upload the dependencies in a couple of minutes to:
https://www.unrealircd.org/docs/Windows_external_libraries_for_UnrealIRCd
2018-07-15 17:47:37 +02:00
Bram Matthys 1f4fcb9407 Set version to 4.0.19-dev 2018-07-15 17:40:18 +02:00
Bram Matthys 3bd83829e3 Work towards moving to Visual Studio 2017.
Compiling already works (this is already tested by AppVeyor for quite a
while), but the installer in git required VS 2015. The actual releases
up to now required VS 2012.
To be more precise, either VS 2015 Redist or VS 2017 Redist is enough,
the x86 version that is, as they are binary compatible and both provide
"version 14". So if one of those is installed, the installer just runs.
If neither of these is installed we tell the user to install the VS 2017
Redist package, not mentioning 2015 as it would only cause confusion.
2018-07-15 14:49:24 +02:00
Bram Matthys 25f08d50ac UnrealIRCd 4.0.18 2018-06-23 16:06:12 +02:00
Bram Matthys c4d132c8f9 No longer permit 'require-sasl' or 'require-ssl', as introduced in rcX,
as it would be confusing with the current functionality.
Use 'sasl' or 'ssl' instead. See bug #5107.
2018-06-23 08:16:04 +02:00
Bram Matthys f9f03190f8 ** 4.0.18-rc2 ** 2018-06-16 18:22:31 +02:00
Bram Matthys 0961b95ba9 Move setting of curves (duh) 2018-06-16 17:58:15 +02:00
Bram Matthys 49bfb1e782 Fix ECDHE not working on 4.0.18-rc1 with older OpenSSL versions.
For example Ubuntu 16.04 LTS with OpenSSL 1.0.2g.
Especially in strict config it would error 'No shared ciphers'.
Had to do with #if(def) ordering. SSL_CTX_set_ecdh_auto() is
still required in 1.0.x even if SSL_CTX_set1_curves_list() is
used. Understandable.
2018-06-16 08:21:13 +02:00
Bram Matthys 18b793db9a UnrealIRCd 4.0.18-rc1 2018-06-11 10:46:44 +02:00
Bram Matthys 93957fc7ee blacklist module: also check the ip of WEBIRC users.
Suggested by jesopo (#0005098).
2018-06-11 08:53:34 +02:00
Bram Matthys cd6d7a2bb7 Add allow::options::sasl (or require-sasl) to require SASL authentication
as suggested in https://bugs.unrealircd.org/view.php?id=5098
The allow block documentation has been updated, including an example at
the end of the page - https://www.unrealircd.org/docs/Allow_block
2018-06-11 08:22:29 +02:00
Bram Matthys 46a60ec795 Fix OOB read (1 byte to the left) 2018-06-11 08:05:14 +02:00
Bram Matthys ad63a499e1 Remove invalid globally declared variables (should be externs). 2018-06-11 08:04:37 +02:00
Bram Matthys 8b988622cd Fix memory leak in channel mode +f 2018-06-11 08:04:10 +02:00
Bram Matthys e456f621ef Fix OOB read in extended bans handling.
(Bug caused by commit dd6f67a266)
2018-06-11 08:02:35 +02:00
Bram Matthys 21af7689c0 Fix memory leak in dead socket handling. 2018-06-11 08:02:07 +02:00
Bram Matthys 362033b73f Drop -xxxbits suffix in on-connect message (and elsewhere).
Change from this TLSv1.2 and TLSv1.3 message:
*** You are connected with TLSv1.2-ECDHE-RSA-AES256-GCM-SHA384-256bits
*** You are connected with TLSv1.3-TLS_AES_256_GCM_SHA384-256bits
To this:
*** You are connected with TLSv1.2-ECDHE-RSA-AES256-GCM-SHA384
*** You are connected with TLSv1.3-TLS_AES_256_GCM_SHA384
Since: 1) those bits are redundant (AES 256 is already mentioned),
and 2) Bits are also not an universal method to measure strength across
algorithms (think: elliptic curve).
2018-06-04 19:45:40 +02:00
Bram Matthys 8efcd684d3 Fix /SPAMFILTER add having the regex syntax check backwards.
(Not too surprising when add is 0 and delete is 1)
Not fatal, as error was still handled & send, but it went to
all opers instead of just the one person adding it..
2018-05-01 15:22:39 +02:00
Bram Matthys 04b3dd24f8 Set default ECDH(E) curves to be X25519:secp521r1:secp384r1:prime256v1 with
the following remarks:
* We only set these curves if SSL_CTX_set1_curves_list() is available
  (OpenSSL 1.0.2 or later, LibreSSL 2.5.1 or later)
* The X25519 curve is only added if it is available (OpenSSL 1.1.0+)
2018-04-27 20:08:47 +02:00
Bram Matthys fa9bdcd7df Move detection of SSL_CTX_set1_curves_list to autoconf (CHECK_SSL_CTX_SET1_CURVES_LIST) 2018-04-27 19:27:19 +02:00
Bram Matthys 3809168992 Improve comments in source code to better explain what's going on.
..and so nobody makes the same mistake.
2018-04-27 18:10:17 +02:00
Bram Matthys a6a4196af9 Add set::ssl::ecdh-curve so you can force one or more ECDH(E) curves.
This requires OpenSSL 1.0.2 or newer (released on 22 Jan 2015).
Also fix a bug with OpenSSL 1.1.0+ where - due to removal of an API
function - we accidentally forced curve P-256 rather than automatic
selection. That sucks because the automatic selection (since 1.0.2+)
allows supporting multiple curves and selecting the highest one.
2018-04-27 17:59:53 +02:00
Bram Matthys 3a97bc29da Fix bug 2 due to code cleanup yesterday... 2018-04-23 08:50:34 +02:00
Bram Matthys 47e2975f01 Fix crash number 1 due to latest changes (TOPIC). 2018-04-22 19:38:29 +02:00
Bram Matthys 31409b19a5 Removed useless/unused * (pointer dereference) in increment 2018-04-22 18:06:10 +02:00
Bram Matthys ecf260dfc2 Only use -Wl,-export-dynamic while linking unrealircd or modules. 2018-04-22 17:36:04 +02:00
Bram Matthys 1c2da25573 Handle return value for truncate() - only for debugging anyway.. 2018-04-22 17:35:36 +02:00
Bram Matthys 33db0bf73e Get rid of a number of clang warnings. 2018-04-22 17:06:31 +02:00
Bram Matthys 992bed3c7a Similar to previous commit, change: alter HOOKTYPE_MODE_DEOP function:
-int hooktype_mode_deop(aClient *sptr, aClient *victim, aChannel *chptr, u_int what, char modechar, long my_access, char **badmode);
+int hooktype_mode_deop(aClient *sptr, aClient *victim, aChannel *chptr, u_int what, int modechar, long my_access, char **badmode);
.. this to get rid of a compiler warning and potential problem.
2018-04-22 16:09:10 +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 bb4758f321 Add strldup() and safestrldup(), reducing ridiculous amount of code in
m_pass and m_topic.c when duplicating strings with a length limit.
+/* strldup(str,max) copies a string and ensures the new buffer
+ * is at most 'max' size, including nul byte. The syntax is pretty
+ * much identical to strlcpy() except that the buffer is newly
+ * allocated.
+ * If you wonder why not use strndup() instead?
+ * I feel that mixing code with strlcpy() and strndup() would be
+ * rather confusing since strlcpy() assumes buffer size including
+ * the nul byte and strndup() assumes without the nul byte and
+ * will write one character extra. Hence this strldup(). -- Syzop
+ */
2018-04-22 15:40:21 +02:00
Bram Matthys 6990b7d9a6 Mass-replace MyMalloc with MyMallocEx, even if it's unnecessary.
Replace century-old custom functions with C standard funcs,
such as AllocCpy -> strdup.
2018-04-22 14:55:07 +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 680715b1b5 Partially rewrite send_channel_modes() (+helper functions).
Although this is only used by servers lacking SJOIN/SJOIN3 so
is of limited use. Still.. got rid of the most ridiculous casts.
2018-04-22 13:51:37 +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 8d7d6d7c4c Get rid of compiler warning 2018-04-22 09:50:13 +02:00
Bram Matthys 6ef9a83c97 Surely this can use the generic #include "unrealircd.h" instead?
Avoids sendto_realops() warning.
2018-04-22 09:48:12 +02:00
Bram Matthys 5044013dd5 Make m_ircops use RPL_TEXT rather than conflicting numeric.
The output of /IRCOPS isn't meant to be client parsable anyway (which
can be seen by the use of bold text and such), so using a generic
numeric rather than wasting two others seems sensible.
Reported by The_Myth in #5066.
2018-04-22 09:42:14 +02:00
Bram Matthys a7bcb637b7 Fix small memory leak if not passing the weak cipher config test (DES/3DES..)
Reported by Sky-Dancer (#5078).
2018-04-22 09:37:06 +02:00
Bram Matthys a235b35633 This code can be a lot simpler, duh. Reported by Sky-Dancer (#5078). 2018-04-22 09:35:05 +02:00