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#include <algorithm>
#include <vector>
#include <string>
#include <sstream>
#include "inspircd.h"
#include "modules.h"
#include "hashcomp.h"
#include "configreader.h"
/* $ModDesc: Gives the /shun command, which stops a user executing all commands except PING and PONG. */
/* $ModAuthor: Om */
/* $ModAuthorMail: om@inspircd.org */
class Shun
{
public:
std::string banmask;
std::string set_by;
time_t set_on;
long length;
std::string reason;
Shun() { }
Shun(std::string bm, std::string sb, time_t so, long ln, std::string rs) : banmask(bm), set_by(sb), set_on(so), length(ln), reason(rs) { }
bool operator<(const Shun &ban2) const
{
return ((this->set_on + this->length) < (ban2.set_on + ban2.length));
}
};
typedef std::vector<Shun> shunlist;
class ModuleShunBase
{
public:
/* shuns is declared here, as our type is right above. Don't try move it. */
shunlist shuns;
InspIRCd* Srv;
std::string EncodeShun(const Shun &shun)
{
std::ostringstream stream;
stream << shun.banmask << " " << shun.set_by << " " << shun.set_on << " " << shun.length << " " << shun.reason;
return stream.str();
}
Shun DecodeShun(const std::string &data)
{
Shun res;
std::istringstream stream(data);
stream >> res.banmask;
stream >> res.set_by;
stream >> res.set_on;
stream >> res.length;
res.reason = stream.str();
return res;
}
void ExpireBans()
{
while(shuns.size() && shuns.begin()->length && ((shuns.begin()->set_on + shuns.begin()->length) <= Srv->Time()))
{
shunlist::iterator iter = shuns.begin();
Srv->SNO->WriteToSnoMask('X', "*** %ld second shun on '%s' (%s) set by %s %ld seconds ago expired", iter->length, iter->banmask.c_str(), iter->reason.c_str(), iter->set_by.c_str(), Srv->Time() - iter->set_on);
shuns.erase(iter);
}
}
};
class cmd_shun : public Command
{
private:
InspIRCd *Srv;
ModuleShunBase* base;
public:
cmd_shun(InspIRCd* Me, ModuleShunBase* b)
: Command(Me, "SHUN", "o", 1), Srv(Me), base(b)
{
this->source = "m_shun.so";
}
CmdResult Handle(const char* const*parameters, int pcnt, User *user)
{
/* syntax: SHUN nick!user@host time :reason goes here */
/* 'time' is a human-readable timestring, like 2d3h2s. */
base->ExpireBans();
if(pcnt == 1)
{
/* form: SHUN mask removes a SHUN */
for(shunlist::iterator iter = base->shuns.begin(); iter != base->shuns.end(); iter++)
{
if(parameters[0] == iter->banmask)
{
Srv->SNO->WriteToSnoMask('X', "*** %s removed shun '%s', set %ld seconds ago with reason '%s'", user->nick, iter->banmask.c_str(), Srv->Time() - iter->set_on, iter->reason.c_str());
base->shuns.erase(iter);
return CMD_SUCCESS;
}
}
user->WriteServ("NOTICE %s :*** The mask %s is not currently shunned, try /stats s", user->nick, parameters[0]);
return CMD_FAILURE;
}
else if (pcnt >= 2)
{
/* full form to add a shun */
if(Srv->IsValidMask(parameters[0]))
{
// parameters[0] = Foamy!*@*
// parameters[1] = 1h3m2s
// parameters[2] = Tortoise abuser
for(shunlist::iterator iter = base->shuns.begin(); iter != base->shuns.end(); iter++)
{
if (parameters[0] == iter->banmask)
{
user->WriteServ("NOTICE %s :*** Shun on %s already exists", user->nick, parameters[0]);
return CMD_FAILURE;
}
}
long length = Srv->Duration(parameters[1]);
std::string reason = (pcnt > 2) ? parameters[2] : "No reason supplied";
base->shuns.push_back(Shun(parameters[0], user->nick, Srv->Time(), length, reason));
std::sort(base->shuns.begin(), base->shuns.end());
if(length > 0)
Srv->SNO->WriteToSnoMask('X', "*** %s added %ld second shun on '%s' (%s)", user->nick, length, parameters[0], reason.c_str());
else
Srv->SNO->WriteToSnoMask('X', "*** %s added permanent shun on '%s' (%s)", user->nick, parameters[0], reason.c_str());
return CMD_SUCCESS;
}
else
{
user->WriteServ("NOTICE %s :*** Invalid ban mask (%s)", user->nick, parameters[0]);
}
}
return CMD_FAILURE;
}
};
class ModuleShun : public Module, public ModuleShunBase
{
cmd_shun* mycommand;
public:
ModuleShun(InspIRCd* Me)
: Module::Module(Me)
{
this->Srv = Me;
mycommand = new cmd_shun(Srv, this);
Srv->AddCommand(mycommand);
}
void Implements(char* List)
{
List[I_OnPreCommand] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnStats] = 1;
}
virtual int OnStats(char symbol, User* user, string_list& out)
{
ExpireBans();
if(symbol == 's')
{
for(shunlist::iterator iter = shuns.begin(); iter != shuns.end(); iter++)
{
std::ostringstream format;
format << Srv->Config->ServerName << " 223 " << user->nick << " :" << iter->banmask << " " << iter->set_on << " " << iter->length << " " << iter->set_by << " " << iter->reason;
out.push_back(format.str());
}
}
return 0;
}
virtual int OnPreCommand(const std::string &command, const char* const*parameters, int pcnt, User* user, bool validated, const std::string &original_line)
{
if((command != "PONG") && (command != "PING"))
{
ExpireBans();
for(shunlist::iterator iter = shuns.begin(); iter != shuns.end(); iter++)
if(Srv->MatchText(user->GetFullHost(), iter->banmask) || Srv->MatchText(user->GetFullRealHost(), iter->banmask))
return 1;
}
return 0;
}
virtual void OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable)
{
for(shunlist::iterator iter = shuns.begin(); iter != shuns.end(); iter++)
{
proto->ProtoSendMetaData(opaque, TYPE_OTHER, NULL, "shun", EncodeShun(*iter));
}
}
virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
{
if((target_type == TYPE_OTHER) && (extname == "shun"))
{
shuns.push_back(DecodeShun(extdata));
std::sort(shuns.begin(), shuns.end());
}
}
virtual ~ModuleShun()
{
}
virtual Version GetVersion()
{
return Version(1,0,0,0,0,API_VERSION);
}
};
MODULE_INIT(ModuleShun)
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