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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
*
* 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 "treesocket.h"
#include "treeserver.h"
#include "utils.h"
/** FMODE command - server mode with timestamp checks */
CmdResult CommandFMode::Handle(const std::vector<std::string>& params, User *who)
{
std::string sourceserv = who->server;
if (IS_SERVER(who))
{
SpanningTreeUtilities* Utils = ((ModuleSpanningTree*)(Module*)creator)->Utils;
TreeServer* origin = Utils->FindServer(sourceserv);
if (origin->GetSocket()->proto_version < 1203 && params[2][0] == '+')
const_cast<parameterlist&>(params)[2][0] = '=';
}
std::vector<std::string> mode_list;
mode_list.push_back(params[0]);
time_t TS = atoi(params[1].c_str());
if (!TS)
return CMD_INVALID;
mode_list.insert(mode_list.end(), params.begin() + 2, params.end());
Extensible* target;
irc::modestacker modes;
ServerInstance->Modes->Parse(mode_list, who, target, modes);
// maybe last user already parted the channel; discard if so.
if (!target)
return CMD_FAILURE;
time_t ourTS = 0;
if (params[0][0] == '#') {
ourTS = static_cast<Channel*>(target)->age;
} else {
ourTS = static_cast<User*>(target)->age;
}
// given TS is greater: the change fails to propagate (possible desync takeover)
if (TS > ourTS)
return CMD_FAILURE;
// netburst merge: only if equal, and new in 2.1, only if using =
bool merge = (TS == ourTS && mode_list[1][0] == '=');
ServerInstance->Modes->Process(who, target, modes, merge);
ServerInstance->Modes->Send(who, target, modes);
return CMD_SUCCESS;
}
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