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Commit Graph

268 Commits

Author SHA1 Message Date
Bram Matthys 08723e0e56 Error when no cloaking module is loaded. 2021-09-25 20:46:06 +02:00
Bram Matthys 707575bc32 Resolve a number of todo items, most by simply removing them :D 2021-09-25 16:54:29 +02:00
Bram Matthys 8603c2eb71 Update hunt_server() so command is really the command (eg "LUSERS") and
not a format string (eg ":%s LUSERS %s"). It now simply concats all parv[]'s.
That is, up to parc count. And it automatically does the :stuff for the
last parameter if it contains spaces or starts with a : etc.

This gets rid of a bit sketchy code with an arbitrary maximum etc.

Now it's just:
if (hunt_server(client, NULL, "REHASH", 1, parc, parv) != HUNTED_ISME)
	return;

This has one side effect, though:
Previously we used the format string, so it may be possible for S2S
traffic to now have more arguments then before here and there.
Eg:
* It could be that the caller was using a format string to
  intentionally cut off an extra parameter at the end.
  You can still do that if you call with eg parc-1 instead of parc.
  I don't think there were any such cases though, but hard to rule out.
* Extranous parameters may show up in S2S traffic where it was
  previously unexpected.
2021-09-25 14:49:19 +02:00
Bram Matthys 43e4c5444f We already got rid of sendto_ops(), now get rid of sendto_realops().
Use the new logging instead.
2021-09-23 19:57:05 +02:00
Bram Matthys 720f597ad6 Get rid of current snomask system and allow ircops to set any snomask
(that is: a-z A-Z) so to use the dynamic system with the new logging.
Largely untested.
2021-09-22 15:49:20 +02:00
Bram Matthys 8353a9e17b Change char *parv[] to const char *parv[] everywhere. This is a BIG change.
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 :)
2021-09-11 16:02:44 +02:00
Bram Matthys ac84d4f207 Const const const... modules.c and elsewhere. 2021-09-11 07:53:30 +02:00
Bram Matthys f085173d46 More const char * stuff... mostly in conf.c but also elsewhere. 2021-09-10 15:01:23 +02:00
Bram Matthys 2e82ab0eca Make CommandOverrideAddEx() the new CommandOverrideAdd():
IOTW, change CommandOverrideAdd() to require a priority argument:
-       CommandOverrideAdd(modinfo->handle, "TEST", override_test);
+       CommandOverrideAdd(modinfo->handle, "TEST", 0, override_test);
2021-09-10 14:13:07 +02:00
Bram Matthys 66a51fb659 Massive conversions from 'char *' to 'const char *' and 'char **' to 'const char **' 2021-09-10 12:46:31 +02:00
Bram Matthys edfdfe4a03 Add HookAddConstString() and friends.
Also EfunctionAddPChar() -> EfunctionAddString(), and callbacks etc.
2021-09-10 11:59:14 +02:00
Bram Matthys a3bfa210e9 HookAddPChar() -> HookAddString()
and .pcharfunc -> .stringfunc
2021-09-10 11:49:06 +02:00
k4be b67e2e4fb0 Check for duplicate callbacks earlier 2021-08-27 12:20:54 +02:00
Bram Matthys 675c1cab55 Rename loop struct members:
* loop.ircd_rehashing -> loop.rehashing
* loop.ircd_terminating -> loop.terminating
* loop.ircd_booted -> loop.booted
* loop.ircd_forked -> loop.forked
2021-08-18 13:08:42 +02:00
Bram Matthys 796cac7a63 geoip: migrate from simple string to returning a GeoIPResult struct.
(work in progress, 1/2)

This also add supports for callbacks which return pointers (pvoidfunc),
we already had that for efuncs but not in callbacks.
2021-08-17 16:39:39 +02:00
Bram Matthys 8d2f20ef41 Newlog: debug.c, match.c, module.c, random.c and then for
api-*.c log out of space in all circumstances.
2021-08-11 17:45:01 +02:00
Bram Matthys 4e5dd044f5 Require module header with version "unrealircd-6" now 2021-08-10 14:37:10 +02:00
Bram Matthys 4d947c3e51 Convert fake lag changes to use void add_fake_lag(Client *client, long msec) 2021-08-10 12:24:16 +02:00
Bram Matthys 05aeba9ba9 Get rid of Debug(()) function calls. I never use it anyway. 2021-07-12 18:54:38 +02:00
Bram Matthys c79cc6f430 Add ModuleSetOptions(modinfo->handle, MOD_OPT_UNLOAD_PRIORITY, priority);
so modules can indicate if they wish to be unloaded before or after others.
This is used by the channel and history modules so they can save their
databases before the chanmodes modules are unloaded.

Also, made ModuleSetOptions() a void function. I don't think anyone
used the returned value and it now no longer is strictly bitmask add/del
so returning an unsigned int would be a tad confusing.
2021-05-17 11:43:46 +02:00
Bram Matthys 95cfafcd51 Include dirent.h by default. 2021-05-15 15:42:34 +02:00
Bram Matthys eede8d3ff6 Fix warning regarding low ms_every in case of delayed module unloading. 2020-01-26 10:26:07 +01:00
Bram Matthys e3b806ec60 Fix command override priorities again. Lowest value is called first,
just like hooks now. Yeah we've messed up a few times by now.
Seems only Gottem uses them :D
So now it would call for example: prio -10, prio 0, 10, 20, cmd.
This matches the behavior of hook priorities (and swhois etc.)
2019-12-23 13:10:33 +01:00
GottemHams a1ae90cd16 Fixed incorrect order in which command overrides were processed 2019-12-22 19:01:53 +01:00
Bram Matthys 8bb5bda47a Pass correct modinfo argument to MOD_UNLOAD(). This fixes a crash
on SavePersistentPointer().
2019-10-27 09:33:37 +01:00
Bram Matthys e1e815bb2f Fix crash if 2+ REHASHes right after each other when also unloading
a channel mode module with parameters or a module with moddata.
2019-10-27 09:18:29 +01:00
Bram Matthys fb8055c6ef Add './unrealircd configtest' which tests the configuration but does
not actually start the server. Any warnings and errors are printed
only to the console.
Suggested in https://bugs.unrealircd.org/view.php?id=5219
2019-10-26 18:55:26 +02:00
Bram Matthys ab7a4af46a find_command(char *cmd, int flags) / find_command_simple(char *cmd) 2019-10-26 10:00:04 +02:00
Bram Matthys 24c60fd85e Fix some doxygen tags (eg @notes to @note) 2019-10-26 09:33:09 +02:00
Bram Matthys 3a64077f51 Use 'client' everywhere (if there is no confusion) instead of 'sptr' or 'cptr'.
This so I - and others - don't constantly have to wonder whether the client
is called sptr, cptr or acptr in a simple routine.
Insane --> 212 files changed, 6814 insertions(+), 6945 deletions(-)
Couldn't just mass-replace of course since there are places where there
are multiple clients involved. So had to check each function.
Also renamed some 'acptr' to 'target' and such.

I will write a page with new style rules later.. but in short if there is
only 1 client involved it will now be called 'client'.
2019-10-04 15:25:35 +02:00
Bram Matthys 3126a3fae4 BIG changes internally that will break all modules and required many
code changes in UnrealIRCd itself:
1) Clients are no longer freed directly by exit_client. Most fields
   are freed, but 'sptr' itself is not, so you can use IsDead() on it.
2) exit_client now returns void rather than int
3) ALL command functions return void rather than int.
   Of course this also affects do_cmd, command overrides, etc.

This is a direct consequence of the removal of 'cptr' earlier, as that
was used to signal certain things that are now no longer possible
(and it raises the question if things were always correctly signaled
in the first place, so may fix some bugs).
It also makes the code more resillient against cases where you forgot
to check if the client was freed. Still, you are encouraged to do an
IsDead(sptr) if you are calling functions that may kill clients,
such as command functions or things that may use spamfilter.

More changes will follow, such as the removal of FLUSH_BUFFER.
2019-10-04 10:28:41 +02:00
Bram Matthys 4ac8015f84 Remove 'cptr' from all commands, hooks, etc. It only confuses people and
'sptr' is sufficient and in most cases the only one you should care about.
Should you need it, you can access sptr->direction in cases where you
need the old information (usually only for some sendto_* functions
and some protoctl checks), so 'cptr' was redundant too.

[!] This change likely introduces some bugs. This was many hours of work.
I only cut some corners in 4 functions, which will be fixed at a later
stage..... yes, more major changes to come.

On the plus side, I likely fixed some bugs in the process. Situations
where cptr vs sptr usage was incorrect. Eg using cptr->name (near server)
when sptr->name should be used (the actual source server), etc....
2019-10-02 14:25:40 +02:00
Bram Matthys d9e8206b80 Fix memory leak in modules.c 2019-09-22 20:20:25 +02:00
Bram Matthys 5b8f393a8f * EventAdd() changed the order of parameters and expects every_msec now
which specifies the time in milliseconds rather than seconds. This
  allows for additional precision, or at least multiple calls per second.
  The minimum allowed every_msec value is 100 at this time.
  The prototype is now: EventAdd(Module *module, char *name,
  vFP event, void *data, long every_msec, int count);
2019-09-22 15:05:00 +02:00
Bram Matthys 953cb774ad ASan: log to tmp/unrealircd_asan.<pid> and attach this if the IRCd
crashes (has a core file) to the crash bug report.
Also, disable leak detection since this is too noisy and would cause
a core dump each time + bothering the user to submit a crash report
+ send this crashreport etc. We still enable this in our own tests
though, but not for end-users.
2019-09-21 18:04:30 +02:00
Bram Matthys 83492a613d Fix memory leak in modules codes. 2019-09-21 16:07:44 +02:00
Bram Matthys ffe5abe30b ModData: moddata_localvar -> moddata_local_variable,
moddata_globalvar -> moddata_global_variable,
and the just-added moddata_localclient -> moddata_local_client
..all this so it's more consistent
2019-09-15 09:47:54 +02:00
Bram Matthys 950fc5001e Update memory allocation calls, step 3 of X
This changes free() calls to safe_free().
This mass change could be automated and unaudited, fortunately.
2019-09-14 17:12:37 +02:00
Bram Matthys 9fc1e758ab Mass change of dst = strdup(str) to safe_strdup(dst,str) but with a manual
audit since 'dst' must now be initialized memory.
There's still a raw_strdup() if you insist.

This is step 2 of X of memory allocation changes
2019-09-14 16:58:01 +02:00
Bram Matthys de87b439b7 Update memory allocation routines. Step 1 of X. 2019-09-14 16:52:53 +02:00
Bram Matthys baf02e8980 Rename all m_* functions to cmd_* functions. 2019-09-13 15:45:19 +02:00
Bram Matthys bb1bb35f50 MOD_LOAD(xyz) is now just MOD_LOAD(), same for MOD_TEST, MOD_INIT,
MOD_UNLOAD. And MOD_HEADER(xyz) is now MOD_HEADER even without ()
since this isn't a function, really.
To make things understandable I added the following to the
developer section of the release notes:

* The module header is now as follows:
  ModuleHeader MOD_HEADER
    = {
          "nameofmodule",
          "5.0",
          "Some description",
          "Name of Author",
          "unrealircd-5",
      };
  There's a new author field, the version must start with a digit,
  and also the name of the module must match the loadmodule name.
  So for example third/funmod must also be named third/funmod.
* The MOD_TEST, MOD_INIT, MOD_LOAD and MOD_UNLOAD functions no longer
  take a name argument. So: MOD_INIT(mymod) is now MOD_INIT()
2019-09-13 15:27:40 +02:00
Bram Matthys 9114c0ed85 The name of the module must now match the relative path, e.g.
the chanmodes/delayjoin module must be named chanmodes/delayjoin
in the module header.
This because currently we have two module names for each module,
one is the name from the MOD_HEADER and the other is the
relative path, such as used by loadmodule and is_module_loaded().

This commit also (not entirely, but practically) breaks loading
of modules outside the regular modules path. I don't think that's
a problem, although it could use a bit more documentation.
2019-09-13 15:09:07 +02:00
Bram Matthys b40981f0ab Prevent a dlopen() if module is already loaded (instead of ~50 lines
further down). This is in case you have two loadmodule lines, which
isn't particularly unusual. Saves some CPU too....
2019-09-13 14:52:57 +02:00
Bram Matthys bf2c5110db IsPerson() -> IsUser(), MyClient() -> MyUser(), etc.
This so we have a few simple concepts:
Client: this can be a user, server, or something unknown yet
Then the type of clients:
User: this is a user, someone with a nick name.
Server: this is a server
Etc.
2019-09-11 17:43:17 +02:00
Bram Matthys e8d53ffe8e And more type changes to make things consistent and more readable. 2019-09-11 11:04:31 +02:00
Bram Matthys 2a5ea10453 Lots of changes again. Most notable: Cmdoverride -> CommandOverride,
including things like CallCmdoverride() to CallCommandOverride().
Type changes like aTKline -> TKL and many more (in particular
aSomething to Something etc. such as aWatch to Watch) but these are
less used by 3rd party module coders.
2019-09-11 10:20:00 +02:00
Bram Matthys f55682cbaa More (typedef) struct name changes. Mostly configuration but also
aCommand to RealCommand. Although not sure if this latter makes
things a lot more descriptive :D. Can revisit later.
(more to follow)
2019-09-11 10:04:47 +02:00
Bram Matthys 23116d344a Give structs the same name as the typedefs. Rename aClient to Client,
aChannel to Channel, and some more. Third party module coders will
love this. But.. it makes things more logical and the doxygen output
will look more clean and logical as well.
(More changes will follow)
2019-09-11 09:48:00 +02:00
Bram Matthys 7d4b7c2fed Get rid of stricmp/strnicmp (use strcasecmp/strncasecmp) 2019-09-09 16:13:32 +02:00