-/* +------------------------------------+
- * | Inspire Internet Relay Chat Daemon |
- * +------------------------------------+
+/*
+ * InspIRCd -- Internet Relay Chat Daemon
*
- * InspIRCd: (C) 2002-2009 InspIRCd Development Team
- * See: http://wiki.inspircd.org/Credits
+ * Copyright (C) 2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
*
- * 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 "commands.h"
-#include "main.h"
#include "utils.h"
#include "treeserver.h"
-#include "link.h"
-#include "treesocket.h"
-#include "resolvers.h"
-
-/* $ModDep: m_spanningtree/resolvers.h m_spanningtree/main.h m_spanningtree/utils.h m_spanningtree/treeserver.h m_spanningtree/link.h m_spanningtree/treesocket.h m_hash.h m_spanningtree/handshaketimer.h */
+#include "remoteuser.h"
-bool TreeSocket::ParseUID(const std::string &source, parameterlist ¶ms)
+CmdResult CommandUID::HandleServer(TreeServer* remoteserver, CommandBase::Params& params)
{
- /** Do we have enough parameters:
+ /**
* 0 1 2 3 4 5 6 7 8 9 (n-1)
- * UID uuid age nick host dhost ident ip.string signon +modes (modepara) :gecos
+ * UID uuid age nick host dhost ident ip.string signon +modes (modepara) :real
*/
- if (params.size() < 10)
- {
- this->SendError("Invalid client introduction (wanted 10 or more parameters, got " + (params.empty() ? "0" : ConvToStr(params.size())) + "!)");
- return false;
- }
-
- time_t age_t = ConvToInt(params[1]);
- time_t signon = ConvToInt(params[7]);
+ time_t age_t = ServerCommand::ExtractTS(params[1]);
+ time_t signon = ServerCommand::ExtractTS(params[7]);
std::string empty;
-
- TreeServer* remoteserver = Utils->FindServer(source);
-
- if (!remoteserver)
- {
- this->SendError("Invalid client introduction (Unknown server "+source+")");
- return false;
- }
- /* Check parameters for validity before introducing the client, discovered by dmb */
- else if (!age_t)
- {
- this->SendError("Invalid client introduction (Invalid TS?)");
- return false;
- }
- else if (!signon)
+ const std::string& modestr = params[8];
+
+ // Check if the length of the uuid is correct and confirm the sid portion of the uuid matches the sid of the server introducing the user
+ if (params[0].length() != UIDGenerator::UUID_LENGTH || params[0].compare(0, 3, remoteserver->GetID()))
+ throw ProtocolException("Bogus UUID");
+ // Sanity check on mode string: must begin with '+'
+ if (modestr[0] != '+')
+ throw ProtocolException("Invalid mode string");
+
+ // See if there is a nick collision
+ User* collideswith = ServerInstance->FindNickOnly(params[2]);
+ if ((collideswith) && (collideswith->registered != REG_ALL))
{
- this->SendError("Invalid client introduction (Invalid signon?)");
- return false;
+ // User that the incoming user is colliding with is not fully registered, we force nick change the
+ // unregistered user to their uuid and tell them what happened
+ LocalUser* const localuser = static_cast<LocalUser*>(collideswith);
+ localuser->OverruleNick();
}
- else if (params[8][0] != '+')
+ else if (collideswith)
{
- this->SendError("Invalid client introduction (Malformed MODE sequence?)");
- return false;
- }
-
- /* check for collision */
- user_hash::iterator iter = ServerInstance->Users->clientlist->find(params[2]);
-
- if (iter != ServerInstance->Users->clientlist->end())
- {
- /*
- * Nick collision.
- */
- int collide = this->DoCollision(iter->second, age_t, params[5], params[8], params[0]);
- ServerInstance->Logs->Log("m_spanningtree",DEBUG,"*** Collision on %s, collide=%d", params[2].c_str(), collide);
-
- if (collide != 1)
+ // The user on this side is registered, handle the collision
+ bool they_change = Utils->DoCollision(collideswith, remoteserver, age_t, params[5], params[6], params[0], "UID");
+ if (they_change)
{
- /* remote client changed, make sure we change their nick for the hash too */
+ // The client being introduced needs to change nick to uuid, change the nick in the message before
+ // processing/forwarding it. Also change the nick TS to CommandSave::SavedTimestamp.
+ age_t = CommandSave::SavedTimestamp;
+ params[1] = ConvToStr(CommandSave::SavedTimestamp);
params[2] = params[0];
}
}
- /* IMPORTANT NOTE: For remote users, we pass the UUID in the constructor. This automatically
- * sets it up in the UUID hash for us.
+ /* For remote users, we pass the UUID they sent to the constructor.
+ * If the UUID already exists User::User() throws an exception which causes this connection to be closed.
*/
- User* _new = NULL;
- try
- {
- _new = new RemoteUser(params[0], remoteserver->GetName());
- }
- catch (...)
- {
- this->SendError("Protocol violation - Duplicate UUID '" + params[0] + "' on introduction of new user");
- return false;
- }
- (*(ServerInstance->Users->clientlist))[params[2]] = _new;
- _new->nick.assign(params[2], 0, MAXBUF);
- _new->host.assign(params[3], 0, 64);
- _new->dhost.assign(params[4], 0, 64);
- _new->ident.assign(params[5], 0, MAXBUF);
- _new->fullname.assign(params[params.size() - 1], 0, MAXBUF);
+ RemoteUser* _new = new SpanningTree::RemoteUser(params[0], remoteserver);
+ ServerInstance->Users->clientlist[params[2]] = _new;
+ _new->nick = params[2];
+ _new->ChangeRealHost(params[3], false);
+ _new->ChangeDisplayedHost(params[4]);
+ _new->ident = params[5];
+ _new->fullname = params.back();
_new->registered = REG_ALL;
_new->signon = signon;
_new->age = age_t;
- /* we need to remove the + from the modestring, so we can do our stuff */
- std::string::size_type pos_after_plus = params[8].find_first_not_of('+');
- if (pos_after_plus != std::string::npos)
- params[8] = params[8].substr(pos_after_plus);
-
unsigned int paramptr = 9;
- for (std::string::iterator v = params[8].begin(); v != params[8].end(); v++)
+
+ for (std::string::const_iterator v = modestr.begin(); v != modestr.end(); ++v)
{
+ // Accept more '+' chars, for now
if (*v == '+')
continue;
- /* For each mode thats set, increase counter */
+ /* For each mode thats set, find the mode handler and set it on the new user */
ModeHandler* mh = ServerInstance->Modes->FindMode(*v, MODETYPE_USER);
+ if (!mh)
+ throw ProtocolException("Unrecognised mode '" + std::string(1, *v) + "'");
- if (mh)
+ if (mh->NeedsParam(true))
{
- if (mh->GetNumParams(true))
- {
- /* IMPORTANT NOTE:
- * All modes are assumed to succeed here as they are being set by a remote server.
- * Modes CANNOT FAIL here. If they DO fail, then the failure is ignored. This is important
- * to note as all but one modules currently cannot ever fail in this situation, except for
- * m_servprotect which specifically works this way to prevent the mode being set ANYWHERE
- * but here, at client introduction. You may safely assume this behaviour is standard and
- * will not change in future versions if you want to make use of this protective behaviour
- * yourself.
- */
- if (paramptr < params.size() - 1)
- mh->OnModeChange(_new, _new, NULL, params[paramptr++], true);
- else
- {
- this->SendError(std::string("Broken UID command, expected a parameter for user mode '")+(*v)+"' but there aren't enough parameters in the command!");
- return false;
- }
- }
- else
- mh->OnModeChange(_new, _new, NULL, empty, true);
- _new->SetMode(*v, true);
- mh->ChangeCount(1);
+ if (paramptr >= params.size() - 1)
+ throw ProtocolException("Out of parameters while processing modes");
+ std::string mp = params[paramptr++];
+ /* IMPORTANT NOTE:
+ * All modes are assumed to succeed here as they are being set by a remote server.
+ * Modes CANNOT FAIL here. If they DO fail, then the failure is ignored. This is important
+ * to note as all but one modules currently cannot ever fail in this situation, except for
+ * m_servprotect which specifically works this way to prevent the mode being set ANYWHERE
+ * but here, at client introduction. You may safely assume this behaviour is standard and
+ * will not change in future versions if you want to make use of this protective behaviour
+ * yourself.
+ */
+ mh->OnModeChange(_new, _new, NULL, mp, true);
}
else
- {
- this->SendError(std::string("Warning: Broken UID command, unknown user mode '")+(*v)+"' in the mode string! (mismatched module?)");
- return false;
- }
+ mh->OnModeChange(_new, _new, NULL, empty, true);
+ _new->SetMode(mh, true);
}
- /* now we've done with modes processing, put the + back for remote servers */
- if (params[8][0] != '+')
- params[8] = "+" + params[8];
+ _new->SetClientIP(params[6]);
- _new->SetClientIP(params[6].c_str());
-
- ServerInstance->Users->AddGlobalClone(_new);
- remoteserver->SetUserCount(1); // increment by 1
+ ServerInstance->Users->AddClone(_new);
+ remoteserver->UserCount++;
bool dosend = true;
- if ((this->Utils->quiet_bursts && remoteserver->bursting) || ServerInstance->SilentULine(_new->server))
+ if ((Utils->quiet_bursts && remoteserver->IsBehindBursting()) || _new->server->IsSilentULine())
dosend = false;
if (dosend)
- ServerInstance->SNO->WriteToSnoMask('C',"Client connecting at %s: %s!%s@%s [%s] [%s]", _new->server.c_str(), _new->nick.c_str(), _new->ident.c_str(), _new->host.c_str(), _new->GetIPString(), _new->fullname.c_str());
+ 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());
- params[params.size() - 1] = ":" + params[params.size() - 1];
- Utils->DoOneToAllButSender(source, "UID", params, source);
+ FOREACH_MOD(OnPostConnect, (_new));
- FOREACH_MOD(I_OnPostConnect,OnPostConnect(_new));
+ return CMD_SUCCESS;
+}
- return true;
+CmdResult CommandFHost::HandleRemote(RemoteUser* src, Params& params)
+{
+ src->ChangeDisplayedHost(params[0]);
+ return CMD_SUCCESS;
}
+CmdResult CommandFIdent::HandleRemote(RemoteUser* src, Params& params)
+{
+ src->ChangeIdent(params[0]);
+ return CMD_SUCCESS;
+}
+
+CmdResult CommandFName::HandleRemote(RemoteUser* src, Params& params)
+{
+ src->ChangeName(params[0]);
+ return CMD_SUCCESS;
+}
+
+CommandUID::Builder::Builder(User* user)
+ : CmdBuilder(TreeServer::Get(user)->GetID(), "UID")
+{
+ push(user->uuid);
+ push_int(user->age);
+ push(user->nick);
+ push(user->GetRealHost());
+ push(user->GetDisplayedHost());
+ push(user->ident);
+ push(user->GetIPString());
+ push_int(user->signon);
+ push(user->GetModeLetters(true));
+ push_last(user->fullname);
+}
projects / user / henk / code / inspircd.git / blobdiff