* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2014 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ * Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
+ * Copyright (C) 2004-2008 Craig Edwards <craigedwards@brainbox.cc>
*
* 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
CommandMode::CommandMode(Module* parent)
: Command(parent, "MODE", 1)
+ , seq(0)
{
syntax = "<target> <modes> {<mode-parameters>}";
+ memset(&sent, 0, sizeof(sent));
}
CmdResult CommandMode::Handle(const std::vector<std::string>& parameters, User* user)
{
- ServerInstance->Modes->Process(parameters, user, (IS_LOCAL(user) ? ModeParser::MODE_NONE : ModeParser::MODE_LOCALONLY));
+ const std::string& target = parameters[0];
+ Channel* targetchannel = ServerInstance->FindChan(target);
+ User* targetuser = NULL;
+ if (!targetchannel)
+ {
+ if (IS_LOCAL(user))
+ targetuser = ServerInstance->FindNickOnly(target);
+ else
+ targetuser = ServerInstance->FindNick(target);
+ }
+
+ if ((!targetchannel) && (!targetuser))
+ {
+ user->WriteNumeric(Numerics::NoSuchNick(target));
+ return CMD_FAILURE;
+ }
+ if (parameters.size() == 1)
+ {
+ this->DisplayCurrentModes(user, targetuser, targetchannel);
+ return CMD_SUCCESS;
+ }
+
+ // Populate a temporary Modes::ChangeList with the parameters
+ Modes::ChangeList changelist;
+ ModeType type = targetchannel ? MODETYPE_CHANNEL : MODETYPE_USER;
+ ServerInstance->Modes.ModeParamsToChangeList(user, type, parameters, changelist);
+
+ ModResult MOD_RESULT;
+ FIRST_MOD_RESULT(OnPreMode, MOD_RESULT, (user, targetuser, targetchannel, changelist));
+
+ ModeParser::ModeProcessFlag flags = ModeParser::MODE_NONE;
+ if (IS_LOCAL(user))
+ {
+ if (MOD_RESULT == MOD_RES_PASSTHRU)
+ {
+ if ((targetuser) && (user != targetuser))
+ {
+ // Local users may only change the modes of other users if a module explicitly allows it
+ user->WriteNumeric(ERR_USERSDONTMATCH, "Can't change mode for other users");
+ return CMD_FAILURE;
+ }
+
+ // This is a mode change by a local user and modules didn't explicitly allow/deny.
+ // Ensure access checks will happen for each mode being changed.
+ flags |= ModeParser::MODE_CHECKACCESS;
+ }
+ else if (MOD_RESULT == MOD_RES_DENY)
+ return CMD_FAILURE; // Entire mode change denied by a module
+ }
+ else
+ flags |= ModeParser::MODE_LOCALONLY;
+
+ if (IS_LOCAL(user))
+ ServerInstance->Modes->ProcessSingle(user, targetchannel, targetuser, changelist, flags);
+ else
+ ServerInstance->Modes->Process(user, targetchannel, targetuser, changelist, flags);
+
+ if ((ServerInstance->Modes.GetLastParse().empty()) && (targetchannel) && (parameters.size() == 2))
+ {
+ /* Special case for displaying the list for listmodes,
+ * e.g. MODE #chan b, or MODE #chan +b without a parameter
+ */
+ this->DisplayListModes(user, targetchannel, parameters[1]);
+ }
+
return CMD_SUCCESS;
}
{
return (IS_LOCAL(user) ? ROUTE_LOCALONLY : ROUTE_BROADCAST);
}
+
+void CommandMode::DisplayListModes(User* user, Channel* chan, const std::string& mode_sequence)
+{
+ seq++;
+
+ for (std::string::const_iterator i = mode_sequence.begin(); i != mode_sequence.end(); ++i)
+ {
+ unsigned char mletter = *i;
+ if (mletter == '+')
+ continue;
+
+ ModeHandler* mh = ServerInstance->Modes->FindMode(mletter, MODETYPE_CHANNEL);
+ if (!mh || !mh->IsListMode())
+ return;
+
+ /* Ensure the user doesnt request the same mode twice,
+ * so they can't flood themselves off out of idiocy.
+ */
+ if (sent[mletter] == seq)
+ continue;
+
+ sent[mletter] = seq;
+ ServerInstance->Modes.ShowListModeList(user, chan, mh);
+ }
+}
+
+void CommandMode::DisplayCurrentModes(User* user, User* targetuser, Channel* targetchannel)
+{
+ if (targetchannel)
+ {
+ // Display channel's current mode string
+ user->WriteNumeric(RPL_CHANNELMODEIS, targetchannel->name, (std::string("+") + targetchannel->ChanModes(targetchannel->HasUser(user))));
+ user->WriteNumeric(RPL_CHANNELCREATED, targetchannel->name, (unsigned long)targetchannel->age);
+ }
+ else
+ {
+ if (targetuser == user || user->HasPrivPermission("users/auspex"))
+ {
+ // Display user's current mode string
+ // XXX: Use WriteServ() because WriteNumeric() assumes the target (i.e. next word after the number)
+ // is 'user' and puts his nick there which is not what we want
+ user->WriteServ("%03d %s :+%s", RPL_UMODEIS, targetuser->nick.c_str(), targetuser->FormatModes());
+ if (targetuser->IsOper())
+ {
+ ModeHandler* snomask = ServerInstance->Modes->FindMode('s', MODETYPE_USER);
+ std::string snomaskstr = snomask->GetUserParameter(user);
+ // snomaskstr is empty if the snomask mode isn't set, otherwise it begins with a '+'.
+ // In the former case output a "+", not an empty string.
+ user->WriteServ("%03d %s %s%s :Server notice mask", RPL_SNOMASKIS, targetuser->nick.c_str(), (snomaskstr.empty() ? "+" : ""), snomaskstr.c_str());
+ }
+ }
+ else
+ {
+ user->WriteNumeric(ERR_USERSDONTMATCH, "Can't view modes for other users");
+ }
+ }
+}