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authorGravatar Sadie Powell2024-07-17 00:06:50 +0100
committerGravatar Sadie Powell2024-07-17 00:06:50 +0100
commit889d521e05f2e922683d48c74eb00290e7a2f548 (patch)
treeb4c56bd4cdf0881601c7e4d6ff571e491af10bf4 /src/modules/m_spanningtree/uid.cpp
parentUse std::endian from C++20 in the sha1 module. (diff)
Shuffle the modules about a bit.
Diffstat (limited to 'src/modules/m_spanningtree/uid.cpp')
-rw-r--r--src/modules/m_spanningtree/uid.cpp195
1 files changed, 0 insertions, 195 deletions
diff --git a/src/modules/m_spanningtree/uid.cpp b/src/modules/m_spanningtree/uid.cpp
deleted file mode 100644
index 57a126933..000000000
--- a/src/modules/m_spanningtree/uid.cpp
+++ /dev/null
@@ -1,195 +0,0 @@
-/*
- * InspIRCd -- Internet Relay Chat Daemon
- *
- * Copyright (C) 2017-2024 Sadie Powell <sadie@witchery.services>
- * Copyright (C) 2013 Adam <Adam@anope.org>
- * Copyright (C) 2012-2016 Attila Molnar <attilamolnar@hush.com>
- * Copyright (C) 2012 Robby <robby@chatbelgie.be>
- * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
- * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
- * Copyright (C) 2008 Craig Edwards <brain@inspircd.org>
- *
- * 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 "utils.h"
-#include "treeserver.h"
-#include "remoteuser.h"
-
-CmdResult CommandUID::HandleServer(TreeServer* remoteserver, CommandBase::Params& params)
-{
- /**
- * 0 1 2 3 4 5? 6(5) 7(6) 8(7) 9(8) 10(9) (n-1)
- * UID uuid nickchanged nick host dhost [user] duser ip.string signon +modes (modepara) :real
- *
- * The `duser` field was introduced in the 1206 (v4) protocol.
- */
- size_t offset = params[9][0] == '+' ? 1 : 0;
- time_t nickchanged = ServerCommand::ExtractTS(params[1]);
- time_t signon = ServerCommand::ExtractTS(params[7+offset]);
- const std::string& modestr = params[8+offset];
-
- // 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
- auto* collideswith = ServerInstance->Users.FindNick(params[2]);
- if (collideswith && !collideswith->IsFullyConnected())
- {
- // User that the incoming user is colliding with is not fully connected, we force nick change the
- // partially connected user to their uuid and tell them what happened
- LocalUser* const localuser = static_cast<LocalUser*>(collideswith);
- localuser->OverruleNick();
- }
- else if (collideswith)
- {
- // The user on this side is fully connected, handle the collision
- bool they_change = SpanningTreeUtilities::DoCollision(collideswith, remoteserver, nickchanged, params[5], params[6+offset], params[0], "UID");
- if (they_change)
- {
- // 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.
- nickchanged = CommandSave::SavedTimestamp;
- params[1] = ConvToStr(CommandSave::SavedTimestamp);
- params[2] = params[0];
- }
- }
-
- irc::sockets::sockaddrs sa(false);
- if (!sa.from(params[6+offset]))
- throw ProtocolException("Invalid IP address or UNIX socket path");
-
- /* 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.
- */
- auto* _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->ChangeRealUser(params[5], false);
- _new->ChangeDisplayedUser(params[5+offset]);
- _new->ChangeRemoteAddress(sa);
- _new->ChangeRealName(params.back());
- _new->connected = User::CONN_FULL;
- _new->signon = signon;
- _new->nickchanged = nickchanged;
-
- size_t paramptr = 9 + offset;
- for (const auto& modechr : modestr)
- {
- // Accept more '+' chars, for now
- if (modechr == '+')
- continue;
-
- /* For each mode that's set, find the mode handler and set it on the new user */
- ModeHandler* mh = ServerInstance->Modes.FindMode(modechr, MODETYPE_USER);
- if (!mh)
- throw ProtocolException("Unrecognised mode '" + std::string(1, modechr) + "'");
-
- if (mh->NeedsParam(true))
- {
- if (paramptr >= params.size() - 1)
- throw ProtocolException("Out of parameters while processing modes");
-
- /* 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
- * user mode +k 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.
- */
- Modes::Change modechange(mh, true, params[paramptr++]);
- mh->OnModeChange(_new, _new, nullptr, modechange);
- }
- else
- {
- Modes::Change modechange(mh, true, "");
- mh->OnModeChange(_new, _new, nullptr, modechange);
- }
- _new->SetMode(mh, true);
- }
-
- ServerInstance->Users.AddClone(_new);
- remoteserver->UserCount++;
-
- bool dosend = true;
-
- if ((Utils->quiet_bursts && remoteserver->IsBehindBursting()) || _new->server->IsSilentService())
- dosend = false;
-
- if (dosend)
- {
- ServerInstance->SNO.WriteToSnoMask('C', "Client connecting at {}: {} ({}) [{}\x0F]", remoteserver->GetName(),
- _new->GetRealMask(), _new->GetAddress(), _new->GetRealName());
- }
-
- FOREACH_MOD(OnPostConnect, (_new));
-
- return CmdResult::SUCCESS;
-}
-
-CmdResult CommandFHost::HandleRemote(RemoteUser* src, Params& params)
-{
- if (params[0] != "*")
- src->ChangeDisplayedHost(params[0]);
-
- if (params[1] != "*")
- src->ChangeRealHost(params[1], false);
-
- return CmdResult::SUCCESS;
-}
-
-CmdResult CommandFIdent::HandleRemote(RemoteUser* src, Params& params)
-{
- if (params[0] != "*")
- src->ChangeDisplayedUser(params[0]);
-
- if (params[1] != "*")
- src->ChangeRealUser(params[1], false);
-
- return CmdResult::SUCCESS;
-}
-
-CmdResult CommandFName::HandleRemote(RemoteUser* src, Params& params)
-{
- src->ChangeRealName(params[0]);
- return CmdResult::SUCCESS;
-}
-
-CommandUID::Builder::Builder(User* user, bool real_user)
- : CmdBuilder(TreeServer::Get(user), "UID")
-{
- push(user->uuid);
- push_int(user->nickchanged);
- push(user->nick);
- push(user->GetRealHost());
- push(user->GetDisplayedHost());
- if (real_user)
- push(user->GetRealUser());
- push(user->GetDisplayedUser());
- push(user->GetAddress());
- push_int(user->signon);
- push(user->GetModeLetters(true));
- push_last(user->GetRealName());
-}