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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2007 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 "core_channel.h"
CommandNames::CommandNames(Module* parent)
: Command(parent, "NAMES", 0, 0)
, secretmode(parent, "secret")
, privatemode(parent, "private")
, invisiblemode(parent, "invisible")
{
syntax = "{<channel>{,<channel>}}";
}
/** Handle /NAMES
*/
CmdResult CommandNames::Handle (const std::vector<std::string>& parameters, User *user)
{
Channel* c;
if (!parameters.size())
{
user->WriteNumeric(RPL_ENDOFNAMES, "* :End of /NAMES list.");
return CMD_SUCCESS;
}
if (CommandParser::LoopCall(user, this, parameters, 0))
return CMD_SUCCESS;
c = ServerInstance->FindChan(parameters[0]);
if (c)
{
// Show the NAMES list if one of the following is true:
// - the channel is not secret
// - the user doing the /NAMES is inside the channel
// - the user doing the /NAMES has the channels/auspex privilege
// If the user is inside the channel or has privs, instruct SendNames() to show invisible (+i) members
bool show_invisible = ((c->HasUser(user)) || (user->HasPrivPermission("channels/auspex")));
if ((show_invisible) || (!c->IsModeSet(secretmode)))
{
SendNames(user, c, show_invisible);
return CMD_SUCCESS;
}
}
user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", parameters[0].c_str());
return CMD_FAILURE;
}
void CommandNames::SendNames(User* user, Channel* chan, bool show_invisible)
{
std::string list;
if (chan->IsModeSet(secretmode))
list.push_back('@');
else if (chan->IsModeSet(privatemode))
list.push_back('*');
else
list.push_back('=');
list.push_back(' ');
list.append(chan->name).append(" :");
std::string::size_type pos = list.size();
const size_t maxlen = ServerInstance->Config->Limits.MaxLine - 10 - ServerInstance->Config->ServerName.size() - user->nick.size();
std::string prefixlist;
std::string nick;
const Channel::MemberMap& members = chan->GetUsers();
for (Channel::MemberMap::const_iterator i = members.begin(); i != members.end(); ++i)
{
if ((!show_invisible) && (i->first->IsModeSet(invisiblemode)))
{
// Member is invisible and we are not supposed to show them
continue;
}
Membership* const memb = i->second;
prefixlist.clear();
char prefix = memb->GetPrefixChar();
if (prefix)
prefixlist.push_back(prefix);
nick = i->first->nick;
ModResult res;
FIRST_MOD_RESULT(OnNamesListItem, res, (user, memb, prefixlist, nick));
// See if a module wants us to exclude this user from NAMES
if (res == MOD_RES_DENY)
continue;
if (list.size() + prefixlist.length() + nick.length() + 1 > maxlen)
{
// List overflowed into multiple numerics
user->WriteNumeric(RPL_NAMREPLY, list);
// Erase all nicks, keep the constant part
list.erase(pos);
}
list.append(prefixlist).append(nick).push_back(' ');
}
// Only send the user list numeric if there is at least one user in it
if (list.size() != pos)
user->WriteNumeric(RPL_NAMREPLY, list);
user->WriteNumeric(RPL_ENDOFNAMES, "%s :End of /NAMES list.", chan->name.c_str());
}
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