-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008-2009 Robin Burchell <robin+git@viroteck.net>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * This file is part of InspIRCd. InspIRCd is free software: you can
+ * redistribute it and/or modify it under the terms of the GNU General Public
+ * License as published by the Free Software Foundation, version 2.
*
- * ---------------------------------------------------
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
+ * details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
+
#include "inspircd.h"
/* $ModDesc: Provides support for channel mode +P to provide permanent channels */
f = fopen(tempname.c_str(), "w");
if (!f)
{
- ServerInstance->Logs->Log("m_permchannels",DEFAULT, "permchannels: Cannot create database! %s (%d)", strerror(errno), errno);
+ ServerInstance->Logs->Log("m_permchannels",LOG_DEFAULT, "permchannels: Cannot create database! %s (%d)", strerror(errno), errno);
ServerInstance->SNO->WriteToSnoMask('a', "database: cannot create new db: %s (%d)", strerror(errno), errno);
return false;
}
+ fputs("# Permchannels DB\n# This file is autogenerated; any changes will be overwritten!\n<config format=\"compat\">\n", f);
// Now, let's write.
for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); i++)
{
write_error |= fclose(f);
if (write_error)
{
- ServerInstance->Logs->Log("m_permchannels",DEFAULT, "permchannels: Cannot write to new database! %s (%d)", strerror(errno), errno);
+ ServerInstance->Logs->Log("m_permchannels",LOG_DEFAULT, "permchannels: Cannot write to new database! %s (%d)", strerror(errno), errno);
ServerInstance->SNO->WriteToSnoMask('a', "database: cannot write to new db: %s (%d)", strerror(errno), errno);
return false;
}
+#ifdef _WIN32
+ if (remove(permchannelsconf.c_str()))
+ {
+ ServerInstance->Logs->Log("m_permchannels",LOG_DEFAULT, "permchannels: Cannot remove old database! %s (%d)", strerror(errno), errno);
+ ServerInstance->SNO->WriteToSnoMask('a', "database: cannot remove old database: %s (%d)", strerror(errno), errno);
+ return false;
+ }
+#endif
// Use rename to move temporary to new db - this is guarenteed not to fuck up, even in case of a crash.
if (rename(tempname.c_str(), permchannelsconf.c_str()) < 0)
{
- ServerInstance->Logs->Log("m_permchannels",DEFAULT, "permchannels: Cannot move new to old database! %s (%d)", strerror(errno), errno);
+ ServerInstance->Logs->Log("m_permchannels",LOG_DEFAULT, "permchannels: Cannot move new to old database! %s (%d)", strerror(errno), errno);
ServerInstance->SNO->WriteToSnoMask('a', "database: cannot replace old with new db: %s (%d)", strerror(errno), errno);
return false;
}
class PermChannel : public ModeHandler
{
public:
- PermChannel(Module* Creator) : ModeHandler(Creator, 'P', PARAM_NONE, MODETYPE_CHANNEL) { }
+ PermChannel(Module* Creator) : ModeHandler(Creator, "permanent", 'P', PARAM_NONE, MODETYPE_CHANNEL) { oper = true; }
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
- if (!source->HasPrivPermission("channels/set-permanent"))
- {
- source->WriteNumeric(ERR_NOPRIVILEGES, "%s :Permission Denied - You do not have the required operator privileges", source->nick.c_str());
- return MODEACTION_DENY;
- }
-
if (adding)
{
if (!channel->IsModeSet('P'))
{
channel->SetMode('P',true);
-
- // Save permchannels db if needed.
- WriteDatabase();
return MODEACTION_ALLOW;
}
}
{
if (channel->IsModeSet('P'))
{
- if (channel->GetUserCounter() == 0 && !IS_SERVER(source))
+ channel->SetMode(this,false);
+ if (channel->GetUserCounter() == 0)
{
- /*
- * ugh, ugh, UGH!
- *
- * We can't delete this channel the way things work at the moment,
- * because of the following scenario:
- * s1:#c <-> s2:#c
- *
- * s1 has a user in #c, s2 does not. s2 has +P set. s2 has a losing TS.
- *
- * On netmerge, s2 loses, so s2 removes all modes (including +P) which
- * would subsequently delete the channel here causing big fucking problems.
- *
- * I don't think there's really a way around this, so just deny -P on a 0 user chan.
- * -- w00t
- *
- * delete channel;
- */
- return MODEACTION_DENY;
+ channel->DelUser(ServerInstance->FakeClient);
}
-
- /* for servers, remove +P (to avoid desyncs) but don't bother trying to delete. */
- channel->SetMode('P',false);
-
- // Save permchannels db if needed.
- WriteDatabase();
return MODEACTION_ALLOW;
}
}
class ModulePermanentChannels : public Module
{
PermChannel p;
+ bool dirty;
public:
- ModulePermanentChannels() : p(this)
+ ModulePermanentChannels() : p(this), dirty(false)
+ {
+ }
+
+ void init() CXX11_OVERRIDE
{
- if (!ServerInstance->Modes->AddMode(&p))
- throw ModuleException("Could not add new modes!");
- Implementation eventlist[] = { I_OnChannelPreDelete, I_OnPostTopicChange, I_OnRawMode };
- ServerInstance->Modules->Attach(eventlist, this, 3);
+ ServerInstance->Modules->AddService(p);
+ Implementation eventlist[] = { I_OnChannelPreDelete, I_OnPostTopicChange, I_OnRawMode, I_OnRehash, I_OnBackgroundTimer };
+ ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
OnRehash(NULL);
}
- virtual ~ModulePermanentChannels()
+ CullResult cull()
{
- ServerInstance->Modes->DelMode(&p);
/*
* DelMode can't remove the +P mode on empty channels, or it will break
* merging modes with remote servers. Remove the empty channels now as
{
chan_hash::iterator at = iter;
iter++;
+ FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(c));
ServerInstance->chanlist->erase(at);
- delete c;
+ ServerInstance->GlobalCulls.AddItem(c);
}
else
iter++;
}
+ ServerInstance->Modes->DelMode(&p);
+ return Module::cull();
+ }
+
+ void OnRehash(User *user) CXX11_OVERRIDE
+ {
+ permchannelsconf = ServerInstance->Config->ConfValue("permchanneldb")->getString("filename");
}
- virtual void OnRehash(User *user)
+ void LoadDatabase()
{
/*
* Process config-defined list of permanent channels.
* -- w00t
*/
- ConfigReader MyConf;
-
- permchannelsconf = MyConf.ReadValue("permchanneldb", "filename", "", 0, false);
-
- for (int i = 0; i < MyConf.Enumerate("permchannels"); i++)
+ ConfigTagList permchannels = ServerInstance->Config->ConfTags("permchannels");
+ for (ConfigIter i = permchannels.first; i != permchannels.second; ++i)
{
- std::string channel = MyConf.ReadValue("permchannels", "channel", i);
- std::string topic = MyConf.ReadValue("permchannels", "topic", i);
- std::string modes = MyConf.ReadValue("permchannels", "modes", i);
+ ConfigTag* tag = i->second;
+ std::string channel = tag->getString("channel");
+ std::string topic = tag->getString("topic");
+ std::string modes = tag->getString("modes");
if (channel.empty())
{
- ServerInstance->Logs->Log("blah", DEBUG, "Malformed permchannels tag with empty channel name.");
+ ServerInstance->Logs->Log("m_permchannels", LOG_DEBUG, "Malformed permchannels tag with empty channel name.");
continue;
}
*/
c->topicset = 42;
}
- ServerInstance->Logs->Log("blah", DEBUG, "Added %s with topic %s", channel.c_str(), topic.c_str());
+ ServerInstance->Logs->Log("m_permchannels", LOG_DEBUG, "Added %s with topic %s", channel.c_str(), topic.c_str());
if (modes.empty())
continue;
}
}
- virtual ModResult OnRawMode(User* user, Channel* chan, const char mode, const std::string ¶m, bool adding, int pcnt)
+ ModResult OnRawMode(User* user, Channel* chan, const char mode, const std::string ¶m, bool adding, int pcnt) CXX11_OVERRIDE
{
- if (chan && chan->IsModeSet('P'))
- WriteDatabase();
+ if (chan && (chan->IsModeSet('P') || mode == 'P'))
+ dirty = true;
return MOD_RES_PASSTHRU;
}
- virtual void OnPostTopicChange(User*, Channel *c, const std::string&)
+ void OnPostTopicChange(User*, Channel *c, const std::string&) CXX11_OVERRIDE
{
if (c->IsModeSet('P'))
+ dirty = true;
+ }
+
+ void OnBackgroundTimer(time_t) CXX11_OVERRIDE
+ {
+ if (dirty)
WriteDatabase();
+ dirty = false;
+ }
+
+ void Prioritize()
+ {
+ // XXX: Load the DB here because the order in which modules are init()ed at boot is
+ // alphabetical, this means we must wait until all modules have done their init()
+ // to be able to set the modes they provide (e.g.: m_stripcolor is inited after us)
+ // Prioritize() is called after all module initialization is complete, consequently
+ // all modes are available now
+
+ static bool loaded = false;
+ if (loaded)
+ return;
+
+ loaded = true;
+
+ // Load only when there are no linked servers - we set the TS of the channels we
+ // create to the current time, this can lead to desync because spanningtree has
+ // no way of knowing what we do
+ ProtoServerList serverlist;
+ ServerInstance->PI->GetServerList(serverlist);
+ if (serverlist.size() < 2)
+ {
+ try
+ {
+ LoadDatabase();
+ }
+ catch (CoreException& e)
+ {
+ ServerInstance->Logs->Log("m_permchannels", LOG_DEFAULT, "Error loading permchannels database: " + std::string(e.GetReason()));
+ }
+ }
}
- virtual Version GetVersion()
+ Version GetVersion() CXX11_OVERRIDE
{
- return Version("Provides support for channel mode +P to provide permanent channels",VF_COMMON|VF_VENDOR,API_VERSION);
+ return Version("Provides support for channel mode +P to provide permanent channels",VF_VENDOR);
}
- virtual ModResult OnChannelPreDelete(Channel *c)
+ ModResult OnChannelPreDelete(Channel *c) CXX11_OVERRIDE
{
if (c->IsModeSet('P'))
return MOD_RES_DENY;