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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
* Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
* Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
*
* 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 "modules/ssl.h"
enum
{
// From UnrealIRCd.
ERR_SECUREONLYCHAN = 489
};
/** Handle channel mode +z
*/
class SSLMode : public ModeHandler
{
public:
UserCertificateAPI API;
SSLMode(Module* Creator)
: ModeHandler(Creator, "sslonly", 'z', PARAM_NONE, MODETYPE_CHANNEL)
, API(Creator)
{
}
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string& parameter, bool adding) CXX11_OVERRIDE
{
if (adding)
{
if (!channel->IsModeSet(this))
{
if (IS_LOCAL(source))
{
if (!API)
return MODEACTION_DENY;
const Channel::MemberMap& userlist = channel->GetUsers();
for (Channel::MemberMap::const_iterator i = userlist.begin(); i != userlist.end(); ++i)
{
ssl_cert* cert = API->GetCertificate(i->first);
if (!cert && !i->first->server->IsULine())
{
source->WriteNumeric(ERR_ALLMUSTSSL, channel->name, "all members of the channel must be connected via SSL");
return MODEACTION_DENY;
}
}
}
channel->SetMode(this, true);
return MODEACTION_ALLOW;
}
else
{
return MODEACTION_DENY;
}
}
else
{
if (channel->IsModeSet(this))
{
channel->SetMode(this, false);
return MODEACTION_ALLOW;
}
return MODEACTION_DENY;
}
}
};
class ModuleSSLModes : public Module
{
SSLMode sslm;
public:
ModuleSSLModes()
: sslm(this)
{
}
ModResult OnUserPreJoin(LocalUser* user, Channel* chan, const std::string& cname, std::string& privs, const std::string& keygiven) CXX11_OVERRIDE
{
if(chan && chan->IsModeSet(sslm))
{
if (!sslm.API)
return MOD_RES_DENY;
ssl_cert* cert = sslm.API->GetCertificate(user);
if (cert)
{
// Let them in
return MOD_RES_PASSTHRU;
}
else
{
// Deny
user->WriteNumeric(ERR_SECUREONLYCHAN, cname, "Cannot join channel; SSL users only (+z)");
return MOD_RES_DENY;
}
}
return MOD_RES_PASSTHRU;
}
ModResult OnCheckBan(User *user, Channel *c, const std::string& mask) CXX11_OVERRIDE
{
if ((mask.length() > 2) && (mask[0] == 'z') && (mask[1] == ':'))
{
if (!sslm.API)
return MOD_RES_DENY;
ssl_cert* cert = sslm.API->GetCertificate(user);
if (cert && InspIRCd::Match(cert->GetFingerprint(), mask.substr(2)))
return MOD_RES_DENY;
}
return MOD_RES_PASSTHRU;
}
void On005Numeric(std::map<std::string, std::string>& tokens) CXX11_OVERRIDE
{
tokens["EXTBAN"].push_back('z');
}
Version GetVersion() CXX11_OVERRIDE
{
return Version("Provides channel mode +z to allow for Secure/SSL only channels", VF_VENDOR);
}
};
MODULE_INIT(ModuleSSLModes)
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