#include "inspircd.h"
+#include "listmode.h"
#include <fstream>
-/* $ModDesc: Provides support for channel mode +P to provide permanent channels */
+
+struct ListModeData
+{
+ std::string modes;
+ std::string params;
+};
+
+/** Handles the +P channel mode
+ */
+class PermChannel : public ModeHandler
+{
+ public:
+ PermChannel(Module* Creator)
+ : ModeHandler(Creator, "permanent", 'P', PARAM_NONE, MODETYPE_CHANNEL)
+ {
+ oper = true;
+ }
+
+ ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& parameter, bool adding)
+ {
+ if (adding == channel->IsModeSet(this))
+ return MODEACTION_DENY;
+
+ channel->SetMode(this, adding);
+ if (!adding)
+ channel->CheckDestroy();
+
+ return MODEACTION_ALLOW;
+ }
+};
// Not in a class due to circular dependancy hell.
static std::string permchannelsconf;
-static bool WriteDatabase()
+static bool WriteDatabase(PermChannel& permchanmode, Module* mod, bool save_listmodes)
{
+ ChanModeReference ban(mod, "ban");
/*
* We need to perform an atomic write so as not to fuck things up.
* So, let's write to a temporary file, flush it, then rename the file..
std::ofstream stream(permchannelsnewconf.c_str());
if (!stream.is_open())
{
- ServerInstance->Logs->Log("m_permchannels", LOG_DEFAULT, "permchannels: Cannot create database! %s (%d)", strerror(errno), errno);
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Cannot create database! %s (%d)", strerror(errno), errno);
ServerInstance->SNO->WriteToSnoMask('a', "database: cannot create new db: %s (%d)", strerror(errno), errno);
return false;
}
for (chan_hash::const_iterator i = ServerInstance->chanlist->begin(); i != ServerInstance->chanlist->end(); i++)
{
Channel* chan = i->second;
- if (!chan->IsModeSet('P'))
+ if (!chan->IsModeSet(permchanmode))
continue;
+ std::string chanmodes = chan->ChanModes(true);
+ if (save_listmodes)
+ {
+ ListModeData lm;
+
+ // Bans are managed by the core, so we have to process them separately
+ static_cast<ListModeBase*>(*ban)->DoSyncChannel(chan, mod, &lm);
+
+ // 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(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;
+ }
+ }
+
stream << "<permchannels channel=\"" << ServerConfig::Escape(chan->name)
+ << "\" ts=\"" << chan->age
<< "\" topic=\"" << ServerConfig::Escape(chan->topic)
- << "\" modes=\"" << ServerConfig::Escape(chan->ChanModes(true))
+ << "\" topicts=\"" << chan->topicset
+ << "\" topicsetby=\"" << ServerConfig::Escape(chan->setby)
+ << "\" modes=\"" << ServerConfig::Escape(chanmodes)
<< "\">" << std::endl;
}
if (stream.fail())
{
- ServerInstance->Logs->Log("m_permchannels", LOG_DEFAULT, "permchannels: Cannot write to new database! %s (%d)", strerror(errno), errno);
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "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->Logs->Log(MODNAME, LOG_DEFAULT, "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;
}
// Use rename to move temporary to new db - this is guarenteed not to fuck up, even in case of a crash.
if (rename(permchannelsnewconf.c_str(), permchannelsconf.c_str()) < 0)
{
- ServerInstance->Logs->Log("m_permchannels", LOG_DEFAULT, "permchannels: Cannot move new to old database! %s (%d)", strerror(errno), errno);
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "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;
}
return true;
}
-
-/** Handles the +P channel mode
- */
-class PermChannel : public ModeHandler
-{
- public:
- 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 (adding)
- {
- if (!channel->IsModeSet('P'))
- {
- channel->SetMode('P',true);
- return MODEACTION_ALLOW;
- }
- }
- else
- {
- if (channel->IsModeSet('P'))
- {
- channel->SetMode(this,false);
- channel->CheckDestroy();
- return MODEACTION_ALLOW;
- }
- }
-
- return MODEACTION_DENY;
- }
-};
-
class ModulePermanentChannels : public Module
{
PermChannel p;
bool dirty;
+ bool save_listmodes;
public:
ModulePermanentChannels() : p(this), dirty(false)
void init() CXX11_OVERRIDE
{
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);
}
CullResult cull()
{
chan_hash::iterator at = iter;
iter++;
- FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(c));
+ FOREACH_MOD(OnChannelDelete, (c));
ServerInstance->chanlist->erase(at);
ServerInstance->GlobalCulls.AddItem(c);
}
return Module::cull();
}
- void OnRehash(User *user) CXX11_OVERRIDE
+ void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
- permchannelsconf = ServerInstance->Config->ConfValue("permchanneldb")->getString("filename");
+ ConfigTag* tag = ServerInstance->Config->ConfValue("permchanneldb");
+ permchannelsconf = tag->getString("filename");
+ save_listmodes = tag->getBool("listmodes");
}
void LoadDatabase()
{
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("m_permchannels", LOG_DEBUG, "Malformed permchannels tag with empty channel name.");
+ ServerInstance->Logs->Log(MODNAME, LOG_DEFAULT, "Ignoring permchannels tag with empty or too long channel name (\"" + channel + "\")");
continue;
}
if (!c)
{
- c = new Channel(channel, ServerInstance->Time());
- if (!topic.empty())
+ time_t TS = tag->getInt("ts", ServerInstance->Time(), 1);
+ c = new Channel(channel, TS);
+
+ unsigned int topicset = tag->getInt("topicts");
+ c->topic = tag->getString("topic");
+
+ if ((topicset != 0) || (!c->topic.empty()))
{
- c->SetTopic(ServerInstance->FakeClient, 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;
+ if (topicset == 0)
+ topicset = ServerInstance->Time();
+ c->topicset = topicset;
+ c->setby = tag->getString("topicsetby");
+ if (c->setby.empty())
+ c->setby = ServerInstance->Config->ServerName;
}
- ServerInstance->Logs->Log("m_permchannels", LOG_DEBUG, "Added %s with topic %s", channel.c_str(), topic.c_str());
+
+ ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Added %s with topic %s", channel.c_str(), c->topic.c_str());
if (modes.empty())
continue;
ModResult OnRawMode(User* user, Channel* chan, const char mode, const std::string ¶m, bool adding, int pcnt) CXX11_OVERRIDE
{
- if (chan && (chan->IsModeSet('P') || mode == 'P'))
+ if (chan && (chan->IsModeSet(p) || mode == p.GetModeChar()))
dirty = true;
return MOD_RES_PASSTHRU;
void OnPostTopicChange(User*, Channel *c, const std::string&) CXX11_OVERRIDE
{
- if (c->IsModeSet('P'))
+ if (c->IsModeSet(p))
dirty = true;
}
void OnBackgroundTimer(time_t) CXX11_OVERRIDE
{
if (dirty)
- WriteDatabase();
+ WriteDatabase(p, this, save_listmodes);
dirty = false;
}
// 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;
+ ProtocolInterface::ServerList serverlist;
ServerInstance->PI->GetServerList(serverlist);
if (serverlist.size() < 2)
{
}
catch (CoreException& e)
{
- ServerInstance->Logs->Log("m_permchannels", LOG_DEFAULT, "Error loading permchannels database: " + std::string(e.GetReason()));
+ ServerInstance->Logs->Log(MODNAME, LOG_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 += ' ';
+ }
+ }
+
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides support for channel mode +P to provide permanent channels",VF_VENDOR);
ModResult OnChannelPreDelete(Channel *c) CXX11_OVERRIDE
{
- if (c->IsModeSet('P'))
+ if (c->IsModeSet(p))
return MOD_RES_DENY;
return MOD_RES_PASSTHRU;