diff options
Diffstat (limited to 'src/modules/m_safelist.cpp')
| -rw-r--r-- | src/modules/m_safelist.cpp | 269 |
1 files changed, 1 insertions, 268 deletions
diff --git a/src/modules/m_safelist.cpp b/src/modules/m_safelist.cpp index 4adfc0011..abd782c86 100644 --- a/src/modules/m_safelist.cpp +++ b/src/modules/m_safelist.cpp @@ -1,268 +1 @@ -/* +------------------------------------+ - * | Inspire Internet Relay Chat Daemon | - * +------------------------------------+ - * - * InspIRCd: (C) 2002-2007 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 "users.h" -#include "channels.h" -#include "modules.h" -#include "wildcard.h" - -/** Holds a users m_safelist state - */ -class ListData : public classbase -{ - public: - long list_start; - long list_position; - bool list_ended; - const std::string glob; - int minusers; - int maxusers; - - ListData() : list_start(0), list_position(0), list_ended(false) {}; - ListData(long pos, time_t t, const std::string &pattern, int mi, int ma) : list_start(t), list_position(pos), list_ended(false), glob(pattern), minusers(mi), maxusers(ma) {}; -}; - -/* $ModDesc: A module overriding /list, and making it safe - stop those sendq problems. */ - -class ModuleSafeList : public Module -{ - time_t ThrottleSecs; - size_t ServerNameSize; - int global_listing; - int LimitList; - public: - ModuleSafeList(InspIRCd* Me) : Module(Me) - { - OnRehash(NULL, ""); - } - - virtual ~ModuleSafeList() - { - } - - virtual void OnRehash(userrec* user, const std::string ¶meter) - { - ConfigReader MyConf(ServerInstance); - ThrottleSecs = MyConf.ReadInteger("safelist", "throttle", "60", 0, true); - LimitList = MyConf.ReadInteger("safelist", "maxlisters", "50", 0, true); - ServerNameSize = strlen(ServerInstance->Config->ServerName) + 4; - global_listing = 0; - } - - virtual Version GetVersion() - { - return Version(1,1,0,0,VF_VENDOR,API_VERSION); - } - - void Implements(char* List) - { - List[I_OnBufferFlushed] = List[I_OnPreCommand] = List[I_OnCleanup] = List[I_OnUserQuit] = List[I_On005Numeric] = List[I_OnRehash] = 1; - } - - /* - * OnPreCommand() - * Intercept the LIST command. - */ - virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line) - { - /* If the command doesnt appear to be valid, we dont want to mess with it. */ - if (!validated) - return 0; - - if (command == "LIST") - { - return this->HandleList(parameters, pcnt, user); - } - return 0; - } - - /* - * HandleList() - * Handle (override) the LIST command. - */ - int HandleList(const char** parameters, int pcnt, userrec* user) - { - int minusers = 0, maxusers = 0; - - if (global_listing >= LimitList) - { - user->WriteServ("NOTICE %s :*** Server load is currently too heavy. Please try again later.", user->nick); - user->WriteServ("321 %s Channel :Users Name",user->nick); - user->WriteServ("323 %s :End of channel list.",user->nick); - return 1; - } - - /* First, let's check if the user is currently /list'ing */ - ListData *ld; - user->GetExt("safelist_cache", ld); - - if (ld) - { - /* user is already /list'ing, we don't want to do shit. */ - return 1; - } - - /* Work around mIRC suckyness. YOU SUCK, KHALED! */ - if (pcnt == 1) - { - if (*parameters[0] == '<') - { - maxusers = atoi(parameters[0]+1); - ServerInstance->Log(DEBUG,"Max users: %d", maxusers); - pcnt = 0; - } - else if (*parameters[0] == '>') - { - minusers = atoi(parameters[0]+1); - ServerInstance->Log(DEBUG,"Min users: %d", minusers); - pcnt = 0; - } - } - - time_t* last_list_time; - user->GetExt("safelist_last", last_list_time); - if (last_list_time) - { - if (ServerInstance->Time() < (*last_list_time)+ThrottleSecs) - { - user->WriteServ("NOTICE %s :*** Woah there, slow down a little, you can't /LIST so often!",user->nick); - user->WriteServ("321 %s Channel :Users Name",user->nick); - user->WriteServ("323 %s :End of channel list.",user->nick); - return 1; - } - - DELETE(last_list_time); - user->Shrink("safelist_last"); - } - - - /* - * start at channel 0! ;) - */ - ld = new ListData(0,ServerInstance->Time(), pcnt ? parameters[0] : "*", minusers, maxusers); - user->Extend("safelist_cache", ld); - - time_t* llt = new time_t; - *llt = ServerInstance->Time(); - user->Extend("safelist_last", llt); - - user->WriteServ("321 %s Channel :Users Name",user->nick); - - global_listing++; - - return 1; - } - - virtual void OnBufferFlushed(userrec* user) - { - char buffer[MAXBUF]; - ListData* ld; - if (user->GetExt("safelist_cache", ld)) - { - chanrec* chan = NULL; - long amount_sent = 0; - do - { - chan = ServerInstance->GetChannelIndex(ld->list_position); - bool has_user = (chan && chan->HasUser(user)); - long users = chan ? chan->GetUserCounter() : 0; - - bool too_few = (ld->minusers && (users <= ld->minusers)); - bool too_many = (ld->maxusers && (users >= ld->maxusers)); - - if (chan && (too_many || too_few)) - { - ld->list_position++; - continue; - } - - if ((chan) && (chan->modes[CM_PRIVATE])) - { - bool display = (match(chan->name, ld->glob.c_str()) || (*chan->topic && match(chan->topic, ld->glob.c_str()))); - if ((users) && (display)) - { - int counter = snprintf(buffer, MAXBUF, "322 %s *", user->nick); - amount_sent += counter + ServerNameSize; - user->WriteServ(std::string(buffer)); - } - } - else if ((chan) && (((!(chan->modes[CM_PRIVATE])) && (!(chan->modes[CM_SECRET]))) || (has_user))) - { - bool display = (match(chan->name, ld->glob.c_str()) || (*chan->topic && match(chan->topic, ld->glob.c_str()))); - if ((users) && (display)) - { - int counter = snprintf(buffer, MAXBUF, "322 %s %s %ld :[+%s] %s",user->nick, chan->name, users, chan->ChanModes(has_user), chan->topic); - amount_sent += counter + ServerNameSize; - user->WriteServ(std::string(buffer)); - } - } - else - { - if (!chan) - { - if (!ld->list_ended) - { - ld->list_ended = true; - user->WriteServ("323 %s :End of channel list.",user->nick); - } - } - } - ld->list_position++; - } - while ((chan != NULL) && (amount_sent < (user->sendqmax / 4))); - if (ld->list_ended) - { - user->Shrink("safelist_cache"); - DELETE(ld); - global_listing--; - } - } - } - - virtual void OnCleanup(int target_type, void* item) - { - if(target_type == TYPE_USER) - { - userrec* u = (userrec*)item; - ListData* ld; - u->GetExt("safelist_cache", ld); - if (ld) - { - u->Shrink("safelist_cache"); - DELETE(ld); - global_listing--; - } - time_t* last_list_time; - u->GetExt("safelist_last", last_list_time); - if (last_list_time) - { - DELETE(last_list_time); - u->Shrink("safelist_last"); - } - } - } - - virtual void On005Numeric(std::string &output) - { - output.append(" SAFELIST"); - } - - virtual void OnUserQuit(userrec* user, const std::string &message, const std::string &oper_message) - { - this->OnCleanup(TYPE_USER,user); - } - -}; - -MODULE_INIT(ModuleSafeList) +/* +------------------------------------+
* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
* InspIRCd: (C) 2002-2007 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 "users.h"
#include "channels.h"
#include "modules.h"
#include "wildcard.h"
/** Holds a users m_safelist state
*/
class ListData : public classbase
{
public:
long list_start;
long list_position;
bool list_ended;
const std::string glob;
int minusers;
int maxusers;
ListData() : list_start(0), list_position(0), list_ended(false) {};
ListData(long pos, time_t t, const std::string &pattern, int mi, int ma) : list_start(t), list_position(pos), list_ended(false), glob(pattern), minusers(mi), maxusers(ma) {};
};
/* $ModDesc: A module overriding /list, and making it safe - stop those sendq problems. */
class ModuleSafeList : public Module
{
time_t ThrottleSecs;
size_t ServerNameSize;
int global_listing;
int LimitList;
public:
ModuleSafeList(InspIRCd* Me) : Module(Me)
{
OnRehash(NULL, "");
}
virtual ~ModuleSafeList()
{
}
virtual void OnRehash(userrec* user, const std::string ¶meter)
{
ConfigReader MyConf(ServerInstance);
ThrottleSecs = MyConf.ReadInteger("safelist", "throttle", "60", 0, true);
LimitList = MyConf.ReadInteger("safelist", "maxlisters", "50", 0, true);
ServerNameSize = strlen(ServerInstance->Config->ServerName) + 4;
global_listing = 0;
}
virtual Version GetVersion()
{
return Version(1,1,0,0,VF_VENDOR,API_VERSION);
}
void Implements(char* List)
{
List[I_OnBufferFlushed] = List[I_OnPreCommand] = List[I_OnCleanup] = List[I_OnUserQuit] = List[I_On005Numeric] = List[I_OnRehash] = 1;
}
/*
* OnPreCommand()
* Intercept the LIST command.
*/
virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
{
/* If the command doesnt appear to be valid, we dont want to mess with it. */
if (!validated)
return 0;
if (command == "LIST")
{
return this->HandleList(parameters, pcnt, user);
}
return 0;
}
/*
* HandleList()
* Handle (override) the LIST command.
*/
int HandleList(const char** parameters, int pcnt, userrec* user)
{
int minusers = 0, maxusers = 0;
if (global_listing >= LimitList)
{
user->WriteServ("NOTICE %s :*** Server load is currently too heavy. Please try again later.", user->nick);
user->WriteServ("321 %s Channel :Users Name",user->nick);
user->WriteServ("323 %s :End of channel list.",user->nick);
return 1;
}
/* First, let's check if the user is currently /list'ing */
ListData *ld;
user->GetExt("safelist_cache", ld);
if (ld)
{
/* user is already /list'ing, we don't want to do shit. */
return 1;
}
/* Work around mIRC suckyness. YOU SUCK, KHALED! */
if (pcnt == 1)
{
if (*parameters[0] == '<')
{
maxusers = atoi(parameters[0]+1);
ServerInstance->Log(DEBUG,"Max users: %d", maxusers);
pcnt = 0;
}
else if (*parameters[0] == '>')
{
minusers = atoi(parameters[0]+1);
ServerInstance->Log(DEBUG,"Min users: %d", minusers);
pcnt = 0;
}
}
time_t* last_list_time;
user->GetExt("safelist_last", last_list_time);
if (last_list_time)
{
if (ServerInstance->Time() < (*last_list_time)+ThrottleSecs)
{
user->WriteServ("NOTICE %s :*** Woah there, slow down a little, you can't /LIST so often!",user->nick);
user->WriteServ("321 %s Channel :Users Name",user->nick);
user->WriteServ("323 %s :End of channel list.",user->nick);
return 1;
}
DELETE(last_list_time);
user->Shrink("safelist_last");
}
/*
* start at channel 0! ;)
*/
ld = new ListData(0,ServerInstance->Time(), pcnt ? parameters[0] : "*", minusers, maxusers);
user->Extend("safelist_cache", ld);
time_t* llt = new time_t;
*llt = ServerInstance->Time();
user->Extend("safelist_last", llt);
user->WriteServ("321 %s Channel :Users Name",user->nick);
global_listing++;
return 1;
}
virtual void OnBufferFlushed(userrec* user)
{
char buffer[MAXBUF];
ListData* ld;
if (user->GetExt("safelist_cache", ld))
{
chanrec* chan = NULL;
long amount_sent = 0;
do
{
chan = ServerInstance->GetChannelIndex(ld->list_position);
bool has_user = (chan && chan->HasUser(user));
long users = chan ? chan->GetUserCounter() : 0;
bool too_few = (ld->minusers && (users <= ld->minusers));
bool too_many = (ld->maxusers && (users >= ld->maxusers));
if (chan && (too_many || too_few))
{
ld->list_position++;
continue;
}
if ((chan) && (chan->modes[CM_PRIVATE]))
{
bool display = (match(chan->name, ld->glob.c_str()) || (*chan->topic && match(chan->topic, ld->glob.c_str())));
if ((users) && (display))
{
int counter = snprintf(buffer, MAXBUF, "322 %s *", user->nick);
amount_sent += counter + ServerNameSize;
user->WriteServ(std::string(buffer));
}
}
else if ((chan) && (((!(chan->modes[CM_PRIVATE])) && (!(chan->modes[CM_SECRET]))) || (has_user)))
{
bool display = (match(chan->name, ld->glob.c_str()) || (*chan->topic && match(chan->topic, ld->glob.c_str())));
if ((users) && (display))
{
int counter = snprintf(buffer, MAXBUF, "322 %s %s %ld :[+%s] %s",user->nick, chan->name, users, chan->ChanModes(has_user), chan->topic);
amount_sent += counter + ServerNameSize;
user->WriteServ(std::string(buffer));
}
}
else
{
if (!chan)
{
if (!ld->list_ended)
{
ld->list_ended = true;
user->WriteServ("323 %s :End of channel list.",user->nick);
}
}
}
ld->list_position++;
}
while ((chan != NULL) && (amount_sent < (user->sendqmax / 4)));
if (ld->list_ended)
{
user->Shrink("safelist_cache");
DELETE(ld);
global_listing--;
}
}
}
virtual void OnCleanup(int target_type, void* item)
{
if(target_type == TYPE_USER)
{
userrec* u = (userrec*)item;
ListData* ld;
u->GetExt("safelist_cache", ld);
if (ld)
{
u->Shrink("safelist_cache");
DELETE(ld);
global_listing--;
}
time_t* last_list_time;
u->GetExt("safelist_last", last_list_time);
if (last_list_time)
{
DELETE(last_list_time);
u->Shrink("safelist_last");
}
}
}
virtual void On005Numeric(std::string &output)
{
output.append(" SAFELIST");
}
virtual void OnUserQuit(userrec* user, const std::string &message, const std::string &oper_message)
{
this->OnCleanup(TYPE_USER,user);
}
};
MODULE_INIT(ModuleSafeList)
\ No newline at end of file |