/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2006-2009 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
* Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
* Copyright (C) 2004-2008 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2007 John Brooks <john.brooks@dereferenced.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
*
* 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 channel modes +a and +q */
#define PROTECT_VALUE 40000
#define FOUNDER_VALUE 50000
struct ChanProtectSettings
{
bool DeprivSelf;
bool DeprivOthers;
bool FirstInGetsFounder;
bool booting;
ChanProtectSettings() : booting(true) {}
};
static ChanProtectSettings settings;
/** Handles basic operation of +qa channel modes
*/
class FounderProtectBase
{
private:
const std::string type;
const char mode;
const int list;
const int end;
public:
FounderProtectBase(char Mode, const std::string &mtype, int l, int e) :
type(mtype), mode(Mode), list(l), end(e)
{
}
void RemoveMode(Channel* channel, irc::modestacker* stack)
{
const UserMembList* cl = channel->GetUsers();
std::vector<std::string> mode_junk;
mode_junk.push_back(channel->name);
irc::modestacker modestack(false);
std::deque<std::string> stackresult;
for (UserMembCIter i = cl->begin(); i != cl->end(); i++)
{
if (i->second->hasMode(mode))
{
if (stack)
stack->Push(mode, i->first->nick);
else
modestack.Push(mode, i->first->nick);
}
}
if (stack)
return;
while (modestack.GetStackedLine(stackresult))
{
mode_junk.insert(mode_junk.end(), stackresult.begin(), stackresult.end());
ServerInstance->SendMode(mode_junk, ServerInstance->FakeClient);
mode_junk.erase(mode_junk.begin() + 1, mode_junk.end());
}
}
void DisplayList(User* user, Channel* channel)
{
const UserMembList* cl = channel->GetUsers();
for (UserMembCIter i = cl->begin(); i != cl->end(); ++i)
{
if (i->second->hasMode(mode))
{
user->WriteServ("%d %s %s %s", list, user->nick.c_str(), channel->name.c_str(), i->first->nick.c_str());
}
}
user->WriteServ("%d %s %s :End of channel %s list", end, user->nick.c_str(), channel->name.c_str(), type.c_str());
}
bool CanRemoveOthers(User* u1, Channel* c)
{
Membership* m1 = c->GetUser(u1);
return (settings.DeprivOthers && m1 && m1->hasMode(mode));
}
};
/** Abstraction of FounderProtectBase for channel mode +q
*/
class ChanFounder : public ModeHandler, public FounderProtectBase
{
public:
ChanFounder(Module* Creator)
: ModeHandler(Creator, "founder", 'q', PARAM_ALWAYS, MODETYPE_CHANNEL),
FounderProtectBase('q', "founder", 386, 387)
{
ModeHandler::list = true;
levelrequired = FOUNDER_VALUE;
m_paramtype = TR_NICK;
}
void setPrefix(int pfx)
{
prefix = pfx;
}
unsigned int GetPrefixRank()
{
return FOUNDER_VALUE;
}
void RemoveMode(Channel* channel, irc::modestacker* stack)
{
FounderProtectBase::RemoveMode(channel, stack);
}
void RemoveMode(User* user, irc::modestacker* stack)
{
}
ModResult AccessCheck(User* source, Channel* channel, std::string ¶meter, bool adding)
{
User* theuser = ServerInstance->FindNick(parameter);
// remove own privs?
if (source == theuser && !adding && settings.DeprivSelf)
return MOD_RES_ALLOW;
if (!adding && FounderProtectBase::CanRemoveOthers(source, channel))
{
return MOD_RES_PASSTHRU;
}
else
{
source->WriteNumeric(468, "%s %s :Only servers may set channel mode +q", source->nick.c_str(), channel->name.c_str());
return MOD_RES_DENY;
}
}
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
return MODEACTION_ALLOW;
}
void DisplayList(User* user, Channel* channel)
{
FounderProtectBase::DisplayList(user,channel);
}
};
/** Abstraction of FounderProtectBase for channel mode +a
*/
class ChanProtect : public ModeHandler, public FounderProtectBase
{
public:
ChanProtect(Module* Creator)
: ModeHandler(Creator, "admin", 'a', PARAM_ALWAYS, MODETYPE_CHANNEL),
FounderProtectBase('a',"protected user", 388, 389)
{
ModeHandler::list = true;
levelrequired = PROTECT_VALUE;
m_paramtype = TR_NICK;
}
void setPrefix(int pfx)
{
prefix = pfx;
}
unsigned int GetPrefixRank()
{
return PROTECT_VALUE;
}
void RemoveMode(Channel* channel, irc::modestacker* stack)
{
FounderProtectBase::RemoveMode(channel, stack);
}
void RemoveMode(User* user, irc::modestacker* stack)
{
}
ModResult AccessCheck(User* source, Channel* channel, std::string ¶meter, bool adding)
{
User* theuser = ServerInstance->FindNick(parameter);
// source has +q
if (channel->GetPrefixValue(source) > PROTECT_VALUE)
return MOD_RES_ALLOW;
// removing own privs?
if (source == theuser && !adding && settings.DeprivSelf)
return MOD_RES_ALLOW;
if (!adding && FounderProtectBase::CanRemoveOthers(source, channel))
{
return MOD_RES_PASSTHRU;
}
else
{
source->WriteNumeric(482, "%s %s :You are not a channel founder", source->nick.c_str(), channel->name.c_str());
return MOD_RES_DENY;
}
}
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding)
{
return MODEACTION_ALLOW;
}
void DisplayList(User* user, Channel* channel)
{
FounderProtectBase::DisplayList(user, channel);
}
};
class ModuleChanProtect : public Module
{
ChanProtect cp;
ChanFounder cf;
public:
ModuleChanProtect() : cp(this), cf(this)
{
}
void init()
{
/* Load config stuff */
LoadSettings();
settings.booting = false;
ServerInstance->Modules->AddService(cf);
ServerInstance->Modules->AddService(cp);
Implementation eventlist[] = { I_OnUserPreJoin };
ServerInstance->Modules->Attach(eventlist, this, 1);
}
void LoadSettings()
{
ConfigReader Conf;
settings.FirstInGetsFounder = Conf.ReadFlag("chanprotect", "noservices", 0);
std::string qpre = Conf.ReadValue("chanprotect", "qprefix", 0);
char QPrefix = qpre.empty() ? 0 : qpre[0];
std::string apre = Conf.ReadValue("chanprotect", "aprefix", 0);
char APrefix = apre.empty() ? 0 : apre[0];
if ((APrefix && QPrefix) && APrefix == QPrefix)
throw ModuleException("What the smeg, why are both your +q and +a prefixes the same character?");
if (settings.booting)
{
if (APrefix && ServerInstance->Modes->FindPrefix(APrefix) && ServerInstance->Modes->FindPrefix(APrefix) != &cp)
throw ModuleException("Looks like the +a prefix you picked for m_chanprotect is already in use. Pick another.");
if (QPrefix && ServerInstance->Modes->FindPrefix(QPrefix) && ServerInstance->Modes->FindPrefix(QPrefix) != &cf)
throw ModuleException("Looks like the +q prefix you picked for m_chanprotect is already in use. Pick another.");
cp.setPrefix(APrefix);
cf.setPrefix(QPrefix);
}
settings.DeprivSelf = Conf.ReadFlag("chanprotect","deprotectself", "yes", 0);
settings.DeprivOthers = Conf.ReadFlag("chanprotect","deprotectothers", "yes", 0);
}
ModResult OnUserPreJoin(User *user, Channel *chan, const char *cname, std::string &privs, const std::string &keygiven)
{
// if the user is the first user into the channel, mark them as the founder, but only if
// the config option for it is set
if (settings.FirstInGetsFounder && !chan)
privs += 'q';
return MOD_RES_PASSTHRU;
}
Version GetVersion()
{
return Version("Founder and Protect modes (+qa)", VF_VENDOR);
}
};
MODULE_INIT(ModuleChanProtect)
