diff options
author | peavey <peavey@e03df62e-2008-0410-955e-edbf42e46eb7> | 2007-07-16 17:30:04 +0000 |
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committer | peavey <peavey@e03df62e-2008-0410-955e-edbf42e46eb7> | 2007-07-16 17:30:04 +0000 |
commit | f2acdbc3820f0f4f5ef76a0a64e73d2a320df91f (patch) | |
tree | 0602469ef10e4dab4b3975599eb4f919a501c1eb /src/modules/m_safelist.cpp | |
parent | 387f54199e9f335c58af888bdad5ddc1f5cf9bec (diff) |
OOPS! We try again, since I'm smoking craq. LF is 0x0a NOT CR.
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@7456 e03df62e-2008-0410-955e-edbf42e46eb7
Diffstat (limited to 'src/modules/m_safelist.cpp')
-rw-r--r-- | src/modules/m_safelist.cpp | 269 |
1 files changed, 268 insertions, 1 deletions
diff --git a/src/modules/m_safelist.cpp b/src/modules/m_safelist.cpp index abd782c86..4adfc0011 100644 --- a/src/modules/m_safelist.cpp +++ b/src/modules/m_safelist.cpp @@ -1 +1,268 @@ -/* +------------------------------------+
* | 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 +/* +------------------------------------+ + * | 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) |