/* * InspIRCd -- Internet Relay Chat Daemon * * Copyright (C) 2009 Daniel De Graaf * Copyright (C) 2008 Thomas Stagner * Copyright (C) 2007 Robin Burchell * * 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 . */ #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 = "{,}"; } /** 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& parameters, LocalUser* user); CmdResult HandleRemote(const std::vector& 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; 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) { if (line.length() + namelen + pos - start > 510) { ServerInstance->SendWhoisLine(source, dest, 319, line); line = prefix.str(); } line.append(cl.substr(start, pos - 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 { ServerInstance->SendWhoisLine(user, dest, 312, "%s %s :%s", dest->nick.c_str(), dest->server->GetName().c_str(), dest->server->GetDesc().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& 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& 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)