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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
* Copyright (C) 2008 Thomas Stagner <aquanight@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"
/** Handle /WHOIS. These command handlers can be reloaded by the core,
* and handle basic RFC1459 commands. Commands within modules work
* the same way, however, they can be fully unloaded, where these
* may not.
*/
class CommandWhois : public SplitCommand
{
ChanModeReference secretmode;
ChanModeReference privatemode;
UserModeReference snomaskmode;
void SplitChanList(User* source, User* dest, const std::string& cl);
void DoWhois(User* user, User* dest, unsigned long signon, unsigned long idle);
std::string ChannelList(User* source, User* dest, bool spy);
public:
/** Constructor for whois.
*/
CommandWhois(Module* parent)
: SplitCommand(parent, "WHOIS", 1)
, secretmode(parent, "secret")
, privatemode(parent, "private")
, snomaskmode(parent, "snomask")
{
Penalty = 2;
syntax = "<nick>{,<nick>}";
}
/** Handle command.
* @param parameters The parameters to the comamnd
* @param pcnt The number of parameters passed to teh command
* @param user The user issuing the command
* @return A value from CmdResult to indicate command success or failure.
*/
CmdResult HandleLocal(const std::vector<std::string>& parameters, LocalUser* user);
CmdResult HandleRemote(const std::vector<std::string>& parameters, RemoteUser* target);
};
std::string CommandWhois::ChannelList(User* source, User* dest, bool spy)
{
std::string list;
for (UCListIter i = dest->chans.begin(); i != dest->chans.end(); i++)
{
Channel* c = *i;
/* If the target is the sender, neither +p nor +s is set, or
* the channel contains the user, it is not a spy channel
*/
if (spy != (source == dest || !(c->IsModeSet(privatemode) || c->IsModeSet(secretmode)) || c->HasUser(source)))
list.append(c->GetPrefixChar(dest)).append(c->name).append(" ");
}
return list;
}
void CommandWhois::SplitChanList(User* source, User* dest, const std::string& cl)
{
std::string line;
std::ostringstream prefix;
std::string::size_type start, pos, length;
prefix << dest->nick << " :";
line = prefix.str();
int namelen = ServerInstance->Config->ServerName.length() + 6;
for (start = 0; (pos = cl.find(' ', start)) != std::string::npos; start = pos+1)
{
length = (pos == std::string::npos) ? cl.length() : pos;
if (line.length() + namelen + length - start > 510)
{
ServerInstance->SendWhoisLine(source, dest, 319, line);
line = prefix.str();
}
if(pos == std::string::npos)
{
line.append(cl.substr(start, length - start));
break;
}
else
{
line.append(cl.substr(start, length - start + 1));
}
}
if (line.length() != prefix.str().length())
{
ServerInstance->SendWhoisLine(source, dest, 319, line);
}
}
void CommandWhois::DoWhois(User* user, User* dest, unsigned long signon, unsigned long idle)
{
ServerInstance->SendWhoisLine(user, dest, 311, "%s %s %s * :%s", dest->nick.c_str(), dest->ident.c_str(), dest->dhost.c_str(), dest->fullname.c_str());
if (user == dest || user->HasPrivPermission("users/auspex"))
{
ServerInstance->SendWhoisLine(user, dest, 378, "%s :is connecting from %s@%s %s", dest->nick.c_str(), dest->ident.c_str(), dest->host.c_str(), dest->GetIPString().c_str());
}
std::string cl = ChannelList(user, dest, false);
const ServerConfig::OperSpyWhoisState state = user->HasPrivPermission("users/auspex") ? ServerInstance->Config->OperSpyWhois : ServerConfig::SPYWHOIS_NONE;
if (state == ServerConfig::SPYWHOIS_SINGLEMSG)
cl.append(ChannelList(user, dest, true));
SplitChanList(user, dest, cl);
if (state == ServerConfig::SPYWHOIS_SPLITMSG)
{
std::string scl = ChannelList(user, dest, true);
if (scl.length())
{
ServerInstance->SendWhoisLine(user, dest, 336, "%s :is on private/secret channels:", dest->nick.c_str());
SplitChanList(user, dest, scl);
}
}
if (user != dest && !ServerInstance->Config->HideWhoisServer.empty() && !user->HasPrivPermission("servers/auspex"))
{
ServerInstance->SendWhoisLine(user, dest, 312, "%s %s :%s", dest->nick.c_str(), ServerInstance->Config->HideWhoisServer.c_str(), ServerInstance->Config->Network.c_str());
}
else
{
std::string serverdesc = ServerInstance->GetServerDescription(dest->server->GetName());
ServerInstance->SendWhoisLine(user, dest, 312, "%s %s :%s", dest->nick.c_str(), dest->server->GetName().c_str(), serverdesc.c_str());
}
if (dest->IsAway())
{
ServerInstance->SendWhoisLine(user, dest, 301, "%s :%s", dest->nick.c_str(), dest->awaymsg.c_str());
}
if (dest->IsOper())
{
if (ServerInstance->Config->GenericOper)
ServerInstance->SendWhoisLine(user, dest, 313, "%s :is an IRC operator", dest->nick.c_str());
else
ServerInstance->SendWhoisLine(user, dest, 313, "%s :is %s %s on %s", dest->nick.c_str(), (strchr("AEIOUaeiou",dest->oper->name[0]) ? "an" : "a"),dest->oper->name.c_str(), ServerInstance->Config->Network.c_str());
}
if (user == dest || user->HasPrivPermission("users/auspex"))
{
if (dest->IsModeSet(snomaskmode))
{
ServerInstance->SendWhoisLine(user, dest, 379, "%s :is using modes +%s %s", dest->nick.c_str(), dest->FormatModes(), snomaskmode->GetUserParameter(dest).c_str());
}
else
{
ServerInstance->SendWhoisLine(user, dest, 379, "%s :is using modes +%s", dest->nick.c_str(), dest->FormatModes());
}
}
FOREACH_MOD(OnWhois, (user,dest));
/*
* We only send these if we've been provided them. That is, if hidewhois is turned off, and user is local, or
* if remote whois is queried, too. This is to keep the user hidden, and also since you can't reliably tell remote time. -- w00t
*/
if ((idle) || (signon))
{
ServerInstance->SendWhoisLine(user, dest, 317, "%s %lu %lu :seconds idle, signon time", dest->nick.c_str(), idle, signon);
}
ServerInstance->SendWhoisLine(user, dest, 318, "%s :End of /WHOIS list.", dest->nick.c_str());
}
CmdResult CommandWhois::HandleRemote(const std::vector<std::string>& parameters, RemoteUser* target)
{
if (parameters.size() < 2)
return CMD_FAILURE;
User* user = ServerInstance->FindUUID(parameters[0]);
if (!user)
return CMD_FAILURE;
unsigned long idle = ConvToInt(parameters.back());
DoWhois(user, target, target->signon, idle);
return CMD_SUCCESS;
}
CmdResult CommandWhois::HandleLocal(const std::vector<std::string>& parameters, LocalUser* user)
{
User *dest;
int userindex = 0;
unsigned long idle = 0, signon = 0;
if (CommandParser::LoopCall(user, this, parameters, 0))
return CMD_SUCCESS;
/*
* If 2 paramters are specified (/whois nick nick), ignore the first one like spanningtree
* does, and use the second one, otherwise, use the only paramter. -- djGrrr
*/
if (parameters.size() > 1)
userindex = 1;
dest = ServerInstance->FindNickOnly(parameters[userindex]);
if ((dest) && (dest->registered == REG_ALL))
{
/*
* Okay. Umpteenth attempt at doing this, so let's re-comment...
* For local users (/w localuser), we show idletime if hidewhois is disabled
* For local users (/w localuser localuser), we always show idletime, hence parameters.size() > 1 check.
* For remote users (/w remoteuser), we do NOT show idletime
* For remote users (/w remoteuser remoteuser), spanningtree will handle calling do_whois, so we can ignore this case.
* Thanks to djGrrr for not being impatient while I have a crap day coding. :p -- w00t
*/
LocalUser* localuser = IS_LOCAL(dest);
if (localuser && (ServerInstance->Config->HideWhoisServer.empty() || parameters.size() > 1))
{
idle = abs((long)((localuser->idle_lastmsg)-ServerInstance->Time()));
signon = dest->signon;
}
DoWhois(user,dest,signon,idle);
}
else
{
/* no such nick/channel */
user->WriteNumeric(ERR_NOSUCHNICK, "%s :No such nick/channel", !parameters[userindex].empty() ? parameters[userindex].c_str() : "*");
user->WriteNumeric(RPL_ENDOFWHOIS, "%s :End of /WHOIS list.", !parameters[userindex].empty() ? parameters[userindex].c_str() : "*");
return CMD_FAILURE;
}
return CMD_SUCCESS;
}
COMMAND_INIT(CommandWhois)
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