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home » brain » inspircd-cvs » inspircd » src » modes

cmode_o.cpp

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/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2008 InspIRCd Development Team
 * See: http://www.inspircd.org/wiki/index.php/Credits
 *
 * This program is free but copyrighted software; see
 *            the file COPYING for details.
 *
 * ---------------------------------------------------
 */

#include "inspircd.h"
#include "configreader.h"
#include "mode.h"
#include "channels.h"
#include "users.h"
#include "modules.h"
#include "modes/cmode_o.h"

ModeChannelOp::ModeChannelOp(InspIRCd* Instance) : ModeHandler(Instance, 'o', 1, 1, true, MODETYPE_CHANNEL, false, '@', '@')
{
}

unsigned int ModeChannelOp::GetPrefixRank()
{
        return OP_VALUE;
}

ModePair ModeChannelOp::ModeSet(User*, User*, Channel* channel, const std::string &parameter)
{
        User* x = ServerInstance->FindNick(parameter);
        if (x)
        {
                if (channel->GetStatusFlags(x) & UCMODE_OP)
                {
                        return std::make_pair(true, x->nick);
                }
                else
                {
                        return std::make_pair(false, parameter);
                }
        }
        return std::make_pair(false, parameter);
}


void ModeChannelOp::RemoveMode(Channel* channel, irc::modestacker* stack)
{
        CUList* clist = channel->GetOppedUsers();
        CUList copy;

        for (CUList::iterator i = clist->begin(); i != clist->end(); i++)
        {
                User* n = i->first;
                copy.insert(std::make_pair(n,n->nick));
        }

        for (CUList::iterator i = copy.begin(); i != copy.end(); i++)
        {
                if (stack)
                        stack->Push(this->GetModeChar(), i->first->nick);
                else
                {
                        std::vector<std::string> parameters; parameters.push_back(channel->name); parameters.push_back("-o"); parameters.push_back(i->first->nick);
                        ServerInstance->SendMode(parameters, ServerInstance->FakeClient);
                }
        }
}

void ModeChannelOp::RemoveMode(User*, irc::modestacker* stack)
{
}

ModeAction ModeChannelOp::OnModeChange(User* source, User*, Channel* channel, std::string &parameter, bool adding, bool servermode)
{
        int status = channel->GetStatus(source);

        /* Call the correct method depending on wether we're adding or removing the mode */
        if (adding)
        {
                parameter = this->AddOp(source, parameter.c_str(), channel, status);
        }
        else
        {
                parameter = this->DelOp(source, parameter.c_str(), channel, status);
        }
        /* If the method above 'ate' the parameter by reducing it to an empty string, then
         * it won't matter wether we return ALLOW or DENY here, as an empty string overrides
         * the return value and is always MODEACTION_DENY if the mode is supposed to have
         * a parameter.
         */
        if (parameter.length())
                return MODEACTION_ALLOW;
        else
                return MODEACTION_DENY;
}

std::string ModeChannelOp::AddOp(User *user,const char* dest,Channel *chan,int status)
{
        User *d = ServerInstance->Modes->SanityChecks(user,dest,chan,status);

        if (d)
        {
                if (IS_LOCAL(user))
                {
                        int MOD_RESULT = 0;
                        FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_OP));

                        if (MOD_RESULT == ACR_DENY)
                                return "";
                        if (MOD_RESULT == ACR_DEFAULT)
                        {
                                if ((status < STATUS_OP) && (!ServerInstance->ULine(user->server)))
                                {
                                        user->WriteServ("482 %s %s :You're not a channel operator",user->nick.c_str(), chan->name.c_str());
                                        return "";
                                }
                        }
                }

                return ServerInstance->Modes->Grant(d,chan,UCMODE_OP);
        }
        return "";
}

std::string ModeChannelOp::DelOp(User *user,const char *dest,Channel *chan,int status)
{
        User *d = ServerInstance->Modes->SanityChecks(user,dest,chan,status);

        if (d)
        {
                if (IS_LOCAL(user))
                {
                        int MOD_RESULT = 0;
                        FOREACH_RESULT(I_OnAccessCheck,OnAccessCheck(user,d,chan,AC_DEOP));

                        if (MOD_RESULT == ACR_DENY)
                                return "";
                        if (MOD_RESULT == ACR_DEFAULT)
                        {
                                if ((status < STATUS_OP) && (!ServerInstance->ULine(user->server)) && (IS_LOCAL(user)))
                                {
                                        user->WriteServ("482 %s %s :You are not a channel operator",user->nick.c_str(), chan->name.c_str());
                                        return "";
                                }
                        }
                }

                return ServerInstance->Modes->Revoke(d,chan,UCMODE_OP);
        }
        return "";
}