2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2005-2007 Craig Edwards <craigedwards@brainbox.cc>
5 * Copyright (C) 2007 Dennis Friis <peavey@inspircd.org>
6 * Copyright (C) 2007 Robin Burchell <robin+git@viroteck.net>
8 * This file is part of InspIRCd. InspIRCd is free software: you can
9 * redistribute it and/or modify it under the terms of the GNU General Public
10 * License as published by the Free Software Foundation, version 2.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
14 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
17 * You should have received a copy of the GNU General Public License
18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
24 /** Holds information on a host set by m_hostchange
36 HostChangeAction action;
40 Host(HostChangeAction Action, const std::string& Newhost, const std::string& Ports) :
41 action(Action), newhost(Newhost), ports(Ports) {}
44 typedef std::vector<std::pair<std::string, Host> > hostchanges_t;
46 class ModuleHostChange : public Module
48 hostchanges_t hostchanges;
51 std::string MySeparator;
54 void init() CXX11_OVERRIDE
57 Implementation eventlist[] = { I_OnRehash, I_OnUserConnect };
58 ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
61 void OnRehash(User* user) CXX11_OVERRIDE
63 ConfigTag* host = ServerInstance->Config->ConfValue("host");
64 MySuffix = host->getString("suffix");
65 MyPrefix = host->getString("prefix");
66 MySeparator = host->getString("separator", ".");
69 std::set<std::string> dupecheck;
70 ConfigTagList tags = ServerInstance->Config->ConfTags("hostchange");
71 for (ConfigIter i = tags.first; i != tags.second; ++i)
73 ConfigTag* tag = i->second;
74 std::string mask = tag->getString("mask");
75 if (!dupecheck.insert(mask).second)
76 throw ModuleException("Duplicate hostchange entry: " + mask);
78 Host::HostChangeAction act;
80 std::string action = tag->getString("action");
81 if (!strcasecmp(action.c_str(), "set"))
84 newhost = tag->getString("value");
86 else if (!strcasecmp(action.c_str(), "suffix"))
87 act = Host::HCA_SUFFIX;
88 else if (!strcasecmp(action.c_str(), "addnick"))
89 act = Host::HCA_ADDNICK;
91 throw ModuleException("Invalid hostchange action: " + action);
93 hostchanges.push_back(std::make_pair(mask, Host(act, newhost, tag->getString("ports"))));
97 Version GetVersion() CXX11_OVERRIDE
99 // returns the version number of the module to be
100 // listed in /MODULES
101 return Version("Provides masking of user hostnames in a different way to m_cloaking", VF_VENDOR);
104 void OnUserConnect(LocalUser* user) CXX11_OVERRIDE
106 for (hostchanges_t::iterator i = hostchanges.begin(); i != hostchanges.end(); i++)
108 if (((InspIRCd::MatchCIDR(user->MakeHost(), i->first)) || (InspIRCd::MatchCIDR(user->MakeHostIP(), i->first))))
110 const Host& h = i->second;
112 if (!h.ports.empty())
114 irc::portparser portrange(h.ports, false);
116 bool foundany = false;
118 while ((portno = portrange.GetToken()))
119 if (portno == user->GetServerPort())
126 // host of new user matches a hostchange tag's mask
128 if (h.action == Host::HCA_SET)
132 else if (h.action == Host::HCA_SUFFIX)
136 else if (h.action == Host::HCA_ADDNICK)
138 // first take their nick and strip out non-dns, leaving just [A-Z0-9\-]
139 std::string complete;
140 for (std::string::const_iterator j = user->nick.begin(); j != user->nick.end(); ++j)
142 if (((*j >= 'A') && (*j <= 'Z')) ||
143 ((*j >= 'a') && (*j <= 'z')) ||
144 ((*j >= '0') && (*j <= '9')) ||
147 complete = complete + *j;
150 if (complete.empty())
151 complete = "i-have-a-lame-nick";
153 if (!MyPrefix.empty())
154 newhost = MyPrefix + MySeparator + complete;
156 newhost = complete + MySeparator + MySuffix;
158 if (!newhost.empty())
160 user->WriteNotice("Setting your virtual host: " + newhost);
161 if (!user->ChangeDisplayedHost(newhost.c_str()))
162 user->WriteNotice("Could not set your virtual host: " + newhost);
170 MODULE_INIT(ModuleHostChange)