inspircd/modules/autoop.cpp

136 lines
3.7 KiB
C++

/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2017-2023 Sadie Powell <sadie@witchery.services>
* Copyright (C) 2012-2014 Attila Molnar <attilamolnar@hush.com>
* Copyright (C) 2012 Robby <robby@chatbelgie.be>
* Copyright (C) 2011 jackmcbarn <jackmcbarn@inspircd.org>
* Copyright (C) 2010 Daniel De Graaf <danieldg@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"
#include "listmode.h"
enum
{
// InspIRCd-specific.
RPL_ACCESSLIST = 910,
RPL_ENDOFACCESSLIST = 911
};
class AutoOpList final
: public ListModeBase
{
public:
AutoOpList(Module* Creator)
: ListModeBase(Creator, "autoop", 'w', RPL_ACCESSLIST, RPL_ENDOFACCESSLIST)
{
ranktoset = ranktounset = OP_VALUE;
syntax = "<prefix>:<mask>";
}
static PrefixMode* FindMode(const std::string& mid)
{
if (mid.length() == 1)
{
PrefixMode* pm = ServerInstance->Modes.FindPrefixMode(mid[0]);
if (!pm)
pm = ServerInstance->Modes.FindPrefix(mid[0]);
return pm;
}
ModeHandler* mh = ServerInstance->Modes.FindMode(mid, MODETYPE_CHANNEL);
return mh ? mh->IsPrefixMode() : nullptr;
}
ModResult AccessCheck(User* source, Channel* channel, Modes::Change& change) override
{
std::string::size_type pos = change.param.find(':');
if (pos == 0 || pos == std::string::npos)
return change.adding ? MOD_RES_DENY : MOD_RES_PASSTHRU;
ModeHandler::Rank mylevel = channel->GetPrefixValue(source);
std::string mid(change.param, 0, pos);
PrefixMode* mh = FindMode(mid);
if (change.adding && !mh)
{
source->WriteNumeric(ERR_UNKNOWNMODE, mid, FMT::format("Cannot find prefix mode '{}' for autoop", mid));
return MOD_RES_DENY;
}
else if (!mh)
return MOD_RES_PASSTHRU;
Modes::Change modechange(mh, true, "");
if (mh->AccessCheck(source, channel, change) == MOD_RES_DENY)
return MOD_RES_DENY;
if (mh->GetLevelRequired(change.adding) > mylevel)
{
source->WriteNumeric(ERR_CHANOPRIVSNEEDED, channel->name, FMT::format("You must be able to {} mode {} ({}) to {} an autoop containing it",
change.adding ? "set" : "unset", mh->GetModeChar(), mh->name, change.adding ? "add" : "remove"));
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
};
class ModuleAutoOp final
: public Module
{
AutoOpList mh;
public:
ModuleAutoOp()
: Module(VF_VENDOR, "Adds channel mode w (autoop) which allows channel operators to define an access list which gives status ranks to users on join.")
, mh(this)
{
}
void OnPostJoin(Membership* memb) override
{
if (!IS_LOCAL(memb->user))
return;
ListModeBase::ModeList* list = mh.GetList(memb->chan);
if (list)
{
Modes::ChangeList changelist;
for (const auto& entry : *list)
{
std::string::size_type colon = entry.mask.find(':');
if (colon == std::string::npos)
continue;
if (memb->chan->CheckBan(memb->user, entry.mask.substr(colon + 1)))
{
PrefixMode* given = AutoOpList::FindMode(entry.mask.substr(0, colon));
if (given)
changelist.push_add(given, memb->user->nick);
}
}
ServerInstance->Modes.Process(ServerInstance->FakeClient, memb->chan, nullptr, changelist);
}
}
void ReadConfig(ConfigStatus& status) override
{
mh.DoRehash();
}
};
MODULE_INIT(ModuleAutoOp)