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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;
std::vector<std::string> modelist;
time_t TS = 0;
for (unsigned int q = 0; (q < params.size()) && (q < 64); q++)
{
if (q == 1)
{
/* The timestamp is in this position.
* We don't want to pass that up to the
* server->client protocol!
*/
TS = atoi(params[q].c_str());
}
else
{
/* Everything else is fine to append to the modelist */
modelist.push_back(params[q]);
}
}
/* Extract the TS value of the object, either User or Channel */
User* dst = ServerInstance->FindNick(params[0]);
Channel* chan = NULL;
time_t ourTS = 0;
if (dst)
{
ourTS = dst->age;
}
else
{
chan = ServerInstance->FindChan(params[0]);
if (chan)
{
ourTS = chan->age;
}
else
/* Oops, channel doesnt exist! */
return CMD_FAILURE;
}
if (!TS)
{
ServerInstance->Logs->Log("m_spanningtree",DEFAULT,"*** BUG? *** TS of 0 sent to FMODE. Are some services authors smoking craq, or is it 1970 again?. Dropped.");
ServerInstance->SNO->WriteToSnoMask('d', "WARNING: The server %s is sending FMODE with a TS of zero. Total craq. Mode was dropped.", sourceserv.c_str());
return CMD_INVALID;
}
/* TS is equal or less: Merge the mode changes into ours and pass on.
*/
if (TS <= ourTS)
{
bool merge = (TS == ourTS) && IS_SERVER(who);
ServerInstance->Modes->Process(modelist, who, merge);
return CMD_SUCCESS;
}
/* If the TS is greater than ours, we drop the mode and dont pass it anywhere.
*/
return CMD_FAILURE;
}
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