diff options
| author | 2024-07-17 00:06:50 +0100 | |
|---|---|---|
| committer | 2024-07-17 00:06:50 +0100 | |
| commit | 889d521e05f2e922683d48c74eb00290e7a2f548 (patch) | |
| tree | b4c56bd4cdf0881601c7e4d6ff571e491af10bf4 /src/modules/m_spanningtree/uid.cpp | |
| parent | Use 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.cpp | 195 |
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()); -} |
