#include "inspircd.h"
+#include <fstream>
-/* $ModDesc: Provides support for channel mode +P to provide permanent channels */
-// Not in a class due to circular dependancy hell.
-static std::string permchannelsconf;
-static bool WriteDatabase()
+/** Handles the +P channel mode
+ */
+class PermChannel : public ModeHandler
{
- FILE *f;
-
- if (permchannelsconf.empty())
+ public:
+ PermChannel(Module* Creator)
+ : ModeHandler(Creator, "permanent", 'P', PARAM_NONE, MODETYPE_CHANNEL)
{
- // Fake success.
- return true;
+ oper = true;
}
- std::string tempname = permchannelsconf + ".tmp";
+ 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(PermChannel& permchanmode)
+{
/*
* We need to perform an atomic write so as not to fuck things up.
- * So, let's write to a temporary file, flush and sync the FD, then rename the file..
- * -- w00t
+ * So, let's write to a temporary file, flush it, then rename the file..
+ * -- w00t
*/
- f = fopen(tempname.c_str(), "w");
- if (!f)
+
+ // If the user has not specified a configuration file then we don't write one.
+ if (permchannelsconf.empty())
+ return true;
+
+ std::string permchannelsnewconf = permchannelsconf + ".tmp";
+ 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;
}
+
+ stream << "# This file is automatically generated by m_permchannels. Any changes will be overwritten." << std::endl
+ << "<config format=\"xml\">" << std::endl;
- 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++)
{
Channel* chan = i->second;
- if (!chan->IsModeSet('P'))
+ if (!chan->IsModeSet(permchanmode))
continue;
- char line[1024];
- const char* items[] =
- {
- "<permchannels channel=",
- chan->name.c_str(),
- " topic=",
- chan->topic.c_str(),
- " modes=",
- chan->ChanModes(true),
- ">\n"
- };
-
- int lpos = 0, item = 0, ipos = 0;
- while (lpos < 1022 && item < 7)
- {
- char c = items[item][ipos++];
- if (c == 0)
- {
- // end of this string; hop to next string, insert a quote
- item++;
- ipos = 0;
- c = '"';
- }
- else if (c == '\\' || c == '"')
- {
- line[lpos++] = '\\';
- }
- line[lpos++] = c;
- }
- line[--lpos] = 0;
- fputs(line, f);
+ stream << "<permchannels channel=\"" << ServerConfig::Escape(chan->name)
+ << "\" topic=\"" << ServerConfig::Escape(chan->topic)
+ << "\" modes=\"" << ServerConfig::Escape(chan->ChanModes(true))
+ << "\">" << std::endl;
}
- int write_error = 0;
- write_error = ferror(f);
- write_error |= fclose(f);
- if (write_error)
+ 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;
}
+ stream.close();
#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;
}
#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)
+ 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;
{
chan_hash::iterator at = iter;
iter++;
- FOREACH_MOD(I_OnChannelDelete, OnChannelDelete(c));
+ FOREACH_MOD(OnChannelDelete, (c));
ServerInstance->chanlist->erase(at);
ServerInstance->GlobalCulls.AddItem(c);
}
if (channel.empty())
{
- ServerInstance->Logs->Log("m_permchannels", LOG_DEBUG, "Malformed permchannels tag with empty channel name.");
+ ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "Malformed permchannels tag with empty channel name.");
continue;
}
c = new Channel(channel, ServerInstance->Time());
if (!topic.empty())
{
- c->SetTopic(ServerInstance->FakeClient, topic, true);
+ c->SetTopic(ServerInstance->FakeClient, topic);
/*
* Due to the way protocol works in 1.2, we need to hack the topic TS in such a way that this
*/
c->topicset = 42;
}
- 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(), 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);
dirty = false;
}
}
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()));
}
}
}
ModResult OnChannelPreDelete(Channel *c) CXX11_OVERRIDE
{
- if (c->IsModeSet('P'))
+ if (c->IsModeSet(p))
return MOD_RES_DENY;
return MOD_RES_PASSTHRU;