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/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon
* +------------------------------------+
*
* InspIRCd: (C) 2002-2010 InspIRCd Development Team
* See: http://wiki.inspircd.org/Credits
*
* This program is free but copyrighted software; see
* the file COPYING for details.
*
* ---------------------------------------------------
*/
#include "inspircd.h"
#include <stdarg.h>
/* $ModDesc: Allows for opered clients to join channels without being seen, similar to unreal 3.1 +I mode */
/* $ModDepends: core 2.1 */
class InvisibleMode : public ModeHandler
{
public:
InvisibleMode(Module* Creator) : ModeHandler(Creator, "invis-oper", 'Q', PARAM_NONE, MODETYPE_USER)
{
oper = true;
}
~InvisibleMode()
{
}
ModeAction OnModeChange(User* source, User* dest, Channel* channel, std::string &parameter, bool adding)
{
if (dest->IsModeSet('Q') != adding)
{
dest->SetMode('Q', adding);
/* Fix for bug #379 reported by stealth. On +/-Q make m_watch think the user has signed on/off */
Module* m = ServerInstance->Modules->Find("m_watch.so");
/* This must come before setting/unsetting the handler */
if (m && adding)
m->OnUserQuit(dest, "Connection closed", "Connection closed");
/* User appears to vanish or appear from nowhere */
for (UCListIter f = dest->chans.begin(); f != dest->chans.end(); f++)
{
const UserMembList *ulist = f->chan->GetUsers();
char tb[MAXBUF];
snprintf(tb,MAXBUF,":%s %s %s", dest->GetFullHost().c_str(), adding ? "PART" : "JOIN", f->chan->name.c_str());
std::string out = tb;
std::string ms = f->modes;
for(unsigned int i=0; i < f->modes.length(); i++)
ms.append(" ").append(dest->nick);
for (UserMembCIter i = ulist->begin(); i != ulist->end(); i++)
{
/* User only appears to vanish for non-opers */
if (IS_LOCAL(i->first) && !IS_OPER(i->first))
{
i->first->Write(out);
if (!ms.empty() && !adding)
i->first->WriteServ("MODE %s +%s", f->chan->name.c_str(), ms.c_str());
}
}
}
ServerInstance->SNO->WriteToSnoMask('a', "\2NOTICE\2: Oper %s has become %svisible (%cQ)", dest->GetFullHost().c_str(), adding ? "in" : "", adding ? '+' : '-');
return MODEACTION_ALLOW;
}
else
{
return MODEACTION_DENY;
}
}
};
class ModuleInvisible : public Module
{
private:
InvisibleMode qm;
bool hidejoin;
bool hidelist;
bool hidewho;
bool hidemsg;
public:
ModuleInvisible() : qm(this)
{
}
void init()
{
ServerInstance->Modules->AddService(qm);
/* Yeah i know people can take this out. I'm not about to obfuscate code just to be a pain in the ass. */
ServerInstance->Users->ServerNoticeAll("*** m_invisible.so has just been loaded on this network. For more information, please visit http://inspircd.org/wiki/Modules/invisible");
Implementation eventlist[] = {
I_OnUserPreMessage, I_OnUserPreNotice, I_OnUserJoin,
I_OnBuildNeighborList, I_OnSendWhoLine, I_OnNamesListItem
};
ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
}
void ReadConfig(ConfigReadStatus&)
{
ConfigTag* tag = ServerInstance->Config->GetTag("invisible");
hidejoin = tag->getBool("join");
hidelist = tag->getBool("list");
hidewho = tag->getBool("who");
hidemsg = tag->getBool("msg");
}
Version GetVersion();
void OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts);
void OnBuildNeighborList(User* source, std::vector<Channel*> &include, std::map<User*,bool> &exceptions);
ModResult OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
ModResult OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list);
void OnSendWhoLine(User* source, const std::vector<std::string>&, User* user, std::string& line);
void OnNamesListItem(User* issuer, Membership* memb, std::string &prefixes, std::string &nick);
};
Version ModuleInvisible::GetVersion()
{
return Version("Allows opers to join channels invisibly", VF_COMMON);
}
static void BuildExcept(Membership* memb, CUList& excepts)
{
const UserMembList* users = memb->chan->GetUsers();
for(UserMembCIter i = users->begin(); i != users->end(); i++)
{
if (IS_LOCAL(i->first) && i->first->HasPrivPermission("invisible/see"))
excepts.insert(i->first);
}
}
void ModuleInvisible::OnUserJoin(Membership* memb, bool sync, bool created, CUList& excepts)
{
if (hidejoin && memb->user->IsModeSet('Q'))
{
BuildExcept(memb, excepts);
ServerInstance->SNO->WriteToSnoMask('a', "\2NOTICE\2: Oper %s has joined %s invisibly (+Q)",
memb->user->GetFullHost().c_str(), memb->chan->name.c_str());
}
}
void ModuleInvisible::OnBuildNeighborList(User* source, std::vector<Channel*> &include, std::map<User*,bool> &exceptions)
{
if (hidewho && source->IsModeSet('Q'))
{
include.clear();
}
}
/* No privmsg response when hiding - submitted by Eric at neowin */
ModResult ModuleInvisible::OnUserPreNotice(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
if ((target_type == TYPE_USER) && (IS_LOCAL(user)))
{
User* target = (User*)dest;
if(hidemsg && target->IsModeSet('Q') && !IS_OPER(user))
{
user->WriteNumeric(401, "%s %s :No such nick/channel",user->nick.c_str(), target->nick.c_str());
return MOD_RES_DENY;
}
}
return MOD_RES_PASSTHRU;
}
ModResult ModuleInvisible::OnUserPreMessage(User* user,void* dest,int target_type, std::string &text, char status, CUList &exempt_list)
{
return OnUserPreNotice(user, dest, target_type, text, status, exempt_list);
}
void ModuleInvisible::OnSendWhoLine(User* source, const std::vector<std::string>& params, User* user, std::string& line)
{
if (hidewho && user->IsModeSet('Q') && !IS_OPER(source))
line.clear();
}
void ModuleInvisible::OnNamesListItem(User* issuer, Membership* memb, std::string &prefixes, std::string &nick)
{
if (hidelist && memb->user->IsModeSet('Q') && !IS_OPER(issuer))
nick.clear();
}
MODULE_INIT(ModuleInvisible)
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