2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2010 Daniel De Graaf <danieldg@inspircd.org>
5 * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
6 * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
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/>.
26 #include "treeserver.h"
28 CmdResult CommandUID::HandleServer(TreeServer* remoteserver, std::vector<std::string>& params)
30 /** Do we have enough parameters:
31 * 0 1 2 3 4 5 6 7 8 9 (n-1)
32 * UID uuid age nick host dhost ident ip.string signon +modes (modepara) :gecos
34 time_t age_t = ServerCommand::ExtractTS(params[1]);
35 time_t signon = ServerCommand::ExtractTS(params[7]);
37 const std::string& modestr = params[8];
39 /* Is this a valid UID, and not misrouted? */
40 if (params[0].length() != UIDGenerator::UUID_LENGTH || params[0].compare(0, 3, remoteserver->GetID()))
41 throw ProtocolException("Bogus UUID");
42 /* Check parameters for validity before introducing the client, discovered by dmb */
43 if (modestr[0] != '+')
44 throw ProtocolException("Invalid mode string");
46 /* check for collision */
47 User* collideswith = ServerInstance->FindNickOnly(params[2]);
53 int collide = Utils->DoCollision(collideswith, remoteserver, age_t, params[5], params[6], params[0]);
54 ServerInstance->Logs->Log(MODNAME, LOG_DEBUG, "*** Collision on %s, collide=%d", params[2].c_str(), collide);
58 // Remote client lost, make sure we change their nick for the hash too
59 params[2] = params[0];
63 /* IMPORTANT NOTE: For remote users, we pass the UUID in the constructor. This automatically
64 * sets it up in the UUID hash for us.
66 * If the UUID already exists User::User() throws an exception which causes this connection to be closed.
68 RemoteUser* _new = new RemoteUser(params[0], remoteserver);
69 ServerInstance->Users->clientlist[params[2]] = _new;
70 _new->nick = params[2];
71 _new->host = params[3];
72 _new->dhost = params[4];
73 _new->ident = params[5];
74 _new->fullname = params.back();
75 _new->registered = REG_ALL;
76 _new->signon = signon;
79 unsigned int paramptr = 9;
81 for (std::string::const_iterator v = modestr.begin(); v != modestr.end(); ++v)
83 // Accept more '+' chars, for now
87 /* For each mode thats set, find the mode handler and set it on the new user */
88 ModeHandler* mh = ServerInstance->Modes->FindMode(*v, MODETYPE_USER);
90 throw ProtocolException("Unrecognised mode '" + std::string(1, *v) + "'");
92 if (mh->GetNumParams(true))
94 if (paramptr >= params.size() - 1)
95 throw ProtocolException("Out of parameters while processing modes");
96 std::string mp = params[paramptr++];
98 * All modes are assumed to succeed here as they are being set by a remote server.
99 * Modes CANNOT FAIL here. If they DO fail, then the failure is ignored. This is important
100 * to note as all but one modules currently cannot ever fail in this situation, except for
101 * m_servprotect which specifically works this way to prevent the mode being set ANYWHERE
102 * but here, at client introduction. You may safely assume this behaviour is standard and
103 * will not change in future versions if you want to make use of this protective behaviour
106 mh->OnModeChange(_new, _new, NULL, mp, true);
109 mh->OnModeChange(_new, _new, NULL, empty, true);
110 _new->SetMode(mh, true);
113 _new->SetClientIP(params[6].c_str());
115 ServerInstance->Users->AddClone(_new);
116 remoteserver->UserCount++;
120 if ((Utils->quiet_bursts && remoteserver->bursting) || _new->server->IsSilentULine())
124 ServerInstance->SNO->WriteToSnoMask('C',"Client connecting at %s: %s (%s) [%s]", remoteserver->GetName().c_str(), _new->GetFullRealHost().c_str(), _new->GetIPString().c_str(), _new->fullname.c_str());
126 FOREACH_MOD(OnPostConnect, (_new));
131 CmdResult CommandFHost::HandleRemote(RemoteUser* src, std::vector<std::string>& params)
133 src->ChangeDisplayedHost(params[0]);
137 CmdResult CommandFIdent::HandleRemote(RemoteUser* src, std::vector<std::string>& params)
139 src->ChangeIdent(params[0]);
143 CmdResult CommandFName::HandleRemote(RemoteUser* src, std::vector<std::string>& params)
145 src->ChangeName(params[0]);
149 CommandUID::Builder::Builder(User* user)
150 : CmdBuilder(TreeServer::Get(user)->GetID(), "UID")
158 push(user->GetIPString());
159 push_int(user->signon);
160 push('+').push_raw(user->FormatModes(true));
161 push_last(user->fullname);