diff options
Diffstat (limited to 'src/coremods/core_whois.cpp')
-rw-r--r-- | src/coremods/core_whois.cpp | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/src/coremods/core_whois.cpp b/src/coremods/core_whois.cpp new file mode 100644 index 000000000..7464e0527 --- /dev/null +++ b/src/coremods/core_whois.cpp @@ -0,0 +1,244 @@ +/* + * 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. + */ +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 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 (User::ChanList::iterator i = dest->chans.begin(); i != dest->chans.end(); i++) + { + Membership* memb = *i; + Channel* c = memb->chan; + /* 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))) + { + char prefix = memb->GetPrefixChar(); + if (prefix) + list.push_back(prefix); + list.append(c->name).push_back(' '); + } + } + + 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, 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<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 = labs((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) |