-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2010 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
+ * Copyright (C) 2003-2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2007 John Brooks <john.brooks@dereferenced.net>
+ * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
+ * Copyright (C) 2006 Oliver Lupton <oliverlupton@gmail.com>
*
- * This program is free but copyrighted software; see
- * the file COPYING for details.
+ * 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 "hash.h"
/* don't allow this user to spam modechanges */
if (source == dest)
user->CommandFloodPenalty += 5000;
-
+
if (adding)
{
+ // assume this is more correct
+ if (user->registered != REG_ALL && user->host != user->dhost)
+ return MODEACTION_DENY;
+
std::string* cloak = ext.get(user);
if (!cloak)
/* User is removing the mode, so restore their real host
* and make it match the displayed one.
*/
- user->ChangeDisplayedHost(user->host.c_str());
user->SetMode('x',false);
+ user->ChangeDisplayedHost(user->host.c_str());
return MODEACTION_ALLOW;
}
}
};
+class CommandCloak : public Command
+{
+ public:
+ CommandCloak(Module* Creator) : Command(Creator, "CLOAK", 1)
+ {
+ flags_needed = 'o';
+ syntax = "<host>";
+ }
+
+ CmdResult Handle(const std::vector<std::string> ¶meters, User *user);
+};
class ModuleCloaking : public Module
{
- private:
+ public:
CloakUser cu;
CloakMode mode;
+ CommandCloak ck;
std::string prefix;
std::string suffix;
std::string key;
const char* xtab[4];
dynamic_reference<HashProvider> Hash;
- public:
- ModuleCloaking() : cu(this), mode(MODE_OPAQUE), Hash(this, "hash/md5")
+ ModuleCloaking() : cu(this), mode(MODE_OPAQUE), ck(this), Hash(this, "hash/md5")
{
}
{
OnRehash(NULL);
- /* Register it with the core */
- if (!ServerInstance->Modes->AddMode(&cu))
- throw ModuleException("Could not add new modes!");
-
- ServerInstance->Extensions.Register(&cu.ext);
+ ServerInstance->Modules->AddService(cu);
+ ServerInstance->Modules->AddService(ck);
+ ServerInstance->Modules->AddService(cu.ext);
Implementation eventlist[] = { I_OnRehash, I_OnCheckBan, I_OnUserConnect, I_OnChangeHost };
- ServerInstance->Modules->Attach(eventlist, this, 4);
+ ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
/** This function takes a domain name string and returns just the last two domain parts,
input.reserve(key.length() + 3 + item.length());
input.append(1, id);
input.append(key);
- input.append(1, 0); // null does not terminate a C++ string
+ input.append(1, '\0'); // null does not terminate a C++ string
input.append(item);
std::string rv = Hash->sum(input).substr(0,len);
item += *input;
if (item.length() > 7)
{
- hashies.push_back(Hash->sumIV(compatkey, xtab[(compatkey[1]+rounds) % 4], item).substr(0,8));
+ hashies.push_back(Hash->sumIV(compatkey, xtab[(compatkey[0]+rounds) % 4], item).substr(0,8));
item.clear();
}
rounds++;
}
if (!item.empty())
{
- hashies.push_back(Hash->sumIV(compatkey, xtab[(compatkey[1]+rounds) % 4], item).substr(0,8));
+ hashies.push_back(Hash->sumIV(compatkey, xtab[(compatkey[0]+rounds) % 4], item).substr(0,8));
}
/* Stick them all together */
return irc::stringjoiner(":", hashies, 0, hashies.size() - 1).GetJoined();
// mode change, we will call SetMode back to true AFTER the host change is done.
void OnChangeHost(User* u, const std::string& host)
{
- u->SetMode('x', false);
+ if(u->IsModeSet('x'))
+ {
+ u->SetMode('x', false);
+ u->WriteServ("MODE %s -x", u->nick.c_str());
+ }
}
~ModuleCloaking()
}
}
- void OnUserConnect(LocalUser* dest)
+ std::string GenCloak(const irc::sockets::sockaddrs& ip, const std::string& ipstr, const std::string& host)
{
- std::string* cloak = cu.ext.get(dest);
- if (cloak)
- return;
-
- std::string ipstr = dest->GetIPString();
std::string chost;
+ irc::sockets::sockaddrs hostip;
+ bool host_is_ip = irc::sockets::aptosa(host, ip.port(), hostip) && hostip == ip;
+
switch (mode)
{
case MODE_COMPAT_HOST:
{
- if (ipstr != dest->host)
+ if (!host_is_ip)
{
- std::string tail = LastTwoDomainParts(dest->host);
+ std::string tail = LastTwoDomainParts(host);
- /* Generate a cloak using specialized Hash */
- chost = prefix + "-" + Hash->sumIV(compatkey, xtab[(dest->host[0]) % 4], dest->host).substr(0,8) + tail;
+ // xtab is not used here due to a bug in 1.2 cloaking
+ chost = prefix + "-" + Hash->sumIV(compatkey, "0123456789abcdef", host).substr(0,8) + tail;
/* Fix by brain - if the cloaked host is > the max length of a host (64 bytes
* according to the DNS RFC) then they get cloaked as an IP.
// fall through to IP cloak
}
case MODE_COMPAT_IPONLY:
- if (dest->client_sa.sa.sa_family == AF_INET6)
+ if (ip.sa.sa_family == AF_INET6)
chost = CompatCloak6(ipstr.c_str());
else
chost = CompatCloak4(ipstr.c_str());
break;
case MODE_HALF_CLOAK:
{
- if (ipstr != dest->host)
- chost = prefix + SegmentCloak(dest->host, 1, 6) + LastTwoDomainParts(dest->host);
+ if (!host_is_ip)
+ chost = prefix + SegmentCloak(host, 1, 6) + LastTwoDomainParts(host);
if (chost.empty() || chost.length() > 50)
- chost = SegmentIP(dest->client_sa, false);
+ chost = SegmentIP(ip, false);
break;
}
case MODE_OPAQUE:
default:
- chost = SegmentIP(dest->client_sa, true);
+ chost = SegmentIP(ip, true);
}
- cu.ext.set(dest,chost);
+ return chost;
}
+ void OnUserConnect(LocalUser* dest)
+ {
+ std::string* cloak = cu.ext.get(dest);
+ if (cloak)
+ return;
+
+ cu.ext.set(dest, GenCloak(dest->client_sa, dest->GetIPString(), dest->host));
+ }
};
+CmdResult CommandCloak::Handle(const std::vector<std::string> ¶meters, User *user)
+{
+ ModuleCloaking* mod = (ModuleCloaking*)(Module*)creator;
+ irc::sockets::sockaddrs sa;
+ std::string cloak;
+
+ if (irc::sockets::aptosa(parameters[0], 0, sa))
+ cloak = mod->GenCloak(sa, parameters[0], parameters[0]);
+ else
+ cloak = mod->GenCloak(sa, "", parameters[0]);
+
+ user->WriteServ("NOTICE %s :*** Cloak for %s is %s", user->nick.c_str(), parameters[0].c_str(), cloak.c_str());
+
+ return CMD_SUCCESS;
+}
+
MODULE_INIT(ModuleCloaking)
projects / user / henk / code / inspircd.git / blobdiff