-/* +------------------------------------+
- * | 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 */
+struct ListModeData
+{
+ std::string modes;
+ std::string params;
+};
+
// Not in a class due to circular dependancy hell.
static std::string permchannelsconf;
-static bool WriteDatabase()
+static bool WriteDatabase(Module* mod, bool save_listmodes)
{
FILE *f;
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.
+ std::string line;
for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); i++)
{
Channel* chan = i->second;
if (!chan->IsModeSet('P'))
continue;
- char line[1024];
+ std::string chanmodes = chan->ChanModes(true);
+ if (save_listmodes)
+ {
+ ListModeData lm;
+
+ // Bans are managed by the core, so we have to process them separately
+ lm.modes = std::string(chan->bans.size(), 'b');
+ for (BanList::const_iterator j = chan->bans.begin(); j != chan->bans.end(); ++j)
+ {
+ lm.params += j->data;
+ lm.params += ' ';
+ }
+
+ // All other listmodes are managed by modules, so we need to ask them (call their
+ // OnSyncChannel() handler) to give our ProtoSendMode() a list of modes that are
+ // set on the channel. The ListModeData struct is passed as an opaque pointer
+ // that will be passed back to us by the module handling the mode.
+ FOREACH_MOD(I_OnSyncChannel, OnSyncChannel(chan, mod, &lm));
+
+ if (!lm.modes.empty())
+ {
+ // Remove the last space
+ lm.params.erase(lm.params.end()-1);
+
+ // If there is at least a space in chanmodes (that is, a non-listmode has a parameter)
+ // insert the listmode mode letters before the space. Otherwise just append them.
+ std::string::size_type p = chanmodes.find(' ');
+ if (p == std::string::npos)
+ chanmodes += lm.modes;
+ else
+ chanmodes.insert(p, lm.modes);
+
+ // Append the listmode parameters (the masks themselves)
+ chanmodes += ' ';
+ chanmodes += lm.params;
+ }
+ }
+
+ std::string chants = ConvToStr(chan->age);
+ std::string topicts = ConvToStr(chan->topicset);
const char* items[] =
{
"<permchannels channel=",
chan->name.c_str(),
+ " ts=",
+ chants.c_str(),
" topic=",
chan->topic.c_str(),
+ " topicts=",
+ topicts.c_str(),
+ " topicsetby=",
+ chan->setby.c_str(),
" modes=",
- chan->ChanModes(true),
+ chanmodes.c_str(),
">\n"
};
- int lpos = 0, item = 0, ipos = 0;
- while (lpos < 1022 && item < 7)
+ line.clear();
+ int item = 0, ipos = 0;
+ while (item < 13)
{
char c = items[item][ipos++];
if (c == 0)
}
else if (c == '\\' || c == '"')
{
- line[lpos++] = '\\';
+ line += '\\';
}
- line[lpos++] = c;
+ line += c;
}
- line[--lpos] = 0;
- fputs(line, f);
+
+ // Erase last '"'
+ line.erase(line.end()-1);
+ fputs(line.c_str(), f);
}
int write_error = 0;
return false;
}
+#ifdef _WIN32
+ remove(permchannelsconf.c_str());
+#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)
{
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;
+ bool loaded;
+ bool save_listmodes;
public:
- ModulePermanentChannels() : p(this)
+ ModulePermanentChannels()
+ : p(this), dirty(false), loaded(false)
+ {
+ }
+
+ void init()
{
- 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()
{
/*
* DelMode can't remove the +P mode on empty channels, or it will break
{
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();
}
virtual void OnRehash(User *user)
+ {
+ ConfigTag* tag = ServerInstance->Config->ConfValue("permchanneldb");
+ permchannelsconf = tag->getString("filename");
+ save_listmodes = tag->getBool("listmodes");
+ }
+
+ 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())
+ if ((channel.empty()) || (channel.length() > ServerInstance->Config->Limits.ChanMax))
{
- ServerInstance->Logs->Log("blah", DEBUG, "Malformed permchannels tag with empty channel name.");
+ ServerInstance->Logs->Log("m_permchannels", DEFAULT, "Ignoring permchannels tag with empty or too long channel name (\"" + channel + "\")");
continue;
}
if (!c)
{
- c = new Channel(channel, ServerInstance->Time());
- if (!topic.empty())
- {
- c->SetTopic(NULL, topic, true);
-
- /*
- * Due to the way protocol works in 1.2, we need to hack the topic TS in such a way that this
- * topic will always win over others.
- *
- * This is scheduled for (proper) fixing in a later release, and can be removed at a later date.
- */
- c->topicset = 42;
- }
- ServerInstance->Logs->Log("blah", DEBUG, "Added %s with topic %s", channel.c_str(), topic.c_str());
+ time_t TS = tag->getInt("ts");
+ c = new Channel(channel, ((TS > 0) ? TS : ServerInstance->Time()));
+
+ c->SetTopic(NULL, topic, true);
+ c->setby = tag->getString("topicsetby");
+ if (c->setby.empty())
+ c->setby = ServerInstance->Config->ServerName;
+ unsigned int topicset = tag->getInt("topicts");
+ // SetTopic() sets the topic TS to now, if there was no topicts saved then don't overwrite that with a 0
+ if (topicset > 0)
+ c->topicset = topicset;
+
+ ServerInstance->Logs->Log("m_permchannels", 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)
{
- 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&)
{
if (c->IsModeSet('P'))
- WriteDatabase();
+ dirty = true;
+ }
+
+ void OnBackgroundTimer(time_t)
+ {
+ if (dirty)
+ WriteDatabase(this, save_listmodes);
+ 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
+ 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", DEFAULT, "Error loading permchannels database: " + std::string(e.GetReason()));
+ }
+ }
+ }
+
+ void ProtoSendMode(void* opaque, TargetTypeFlags type, void* target, const std::vector<std::string>& modes, const std::vector<TranslateType>& translate)
+ {
+ // We never pass an empty modelist but better be sure
+ if (modes.empty())
+ return;
+
+ ListModeData* lm = static_cast<ListModeData*>(opaque);
+
+ // Append the mode letters without the trailing '+' (for example "IIII", "gg")
+ lm->modes.append(modes[0].begin()+1, modes[0].end());
+
+ // Append the parameters
+ for (std::vector<std::string>::const_iterator i = modes.begin()+1; i != modes.end(); ++i)
+ {
+ lm->params += *i;
+ lm->params += ' ';
+ }
}
virtual Version GetVersion()
{
- 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)
projects / user / henk / code / inspircd.git / blobdiff