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/* +------------------------------------+
* | 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 <algorithm>
#include "users.h"
#include "channels.h"
#include "modules.h"
#include "configreader.h"
/* $ModDesc: Implements SVSHOLD. Like Q:Lines, but can only be added/removed by Services. */
/** Holds a SVSHold item
*/
class SVSHold : public classbase
{
public:
std::string nickname;
std::string set_by;
time_t set_on;
long length;
std::string reason;
SVSHold()
{
}
SVSHold(const std::string &nn, const std::string &sb, const time_t so, const long ln, const std::string &rs) : nickname(nn), set_by(sb), set_on(so), length(ln), reason(rs)
{
}
};
bool SVSHoldComp(const SVSHold* ban1, const SVSHold* ban2);
typedef std::vector<SVSHold*> SVSHoldlist;
typedef std::map<irc::string, SVSHold*> SVSHoldMap;
/* SVSHolds is declared here, as our type is right above. Don't try move it. */
SVSHoldlist SVSHolds;
SVSHoldMap HoldMap;
/** Handle /SVSHold
*/
class cmd_svshold : public command_t
{
public:
cmd_svshold(InspIRCd* Me) : command_t(Me, "SVSHOLD", 'o', 1)
{
this->source = "m_svshold.so";
this->syntax = "<nickname> [<duration> :<reason>]";
}
CmdResult Handle(const char** parameters, int pcnt, userrec *user)
{
/* syntax: svshold nickname time :reason goes here */
/* 'time' is a human-readable timestring, like 2d3h2s. */
if (!ServerInstance->ULine(user->server))
{
/* don't allow SVSHOLD from non-ulined clients */
return CMD_FAILURE;
}
if (pcnt == 1)
{
SVSHoldMap::iterator n = HoldMap.find(parameters[0]);
if (n != HoldMap.end())
{
/* form: svshold nickname removes a hold. */
for (SVSHoldlist::iterator iter = SVSHolds.begin(); iter != SVSHolds.end(); iter++)
{
if (parameters[0] == assign((*iter)->nickname))
{
unsigned long remaining = 0;
if ((*iter)->length)
{
remaining = ((*iter)->set_on + (*iter)->length) - ServerInstance->Time();
user->WriteServ( "386 %s %s :Removed SVSHOLD with %lu seconds left before expiry (%s)", user->nick, (*iter)->nickname.c_str(), remaining, (*iter)->reason.c_str());
}
else
{
user->WriteServ( "386 %s %s :Removed permanent SVSHOLD (%s)", user->nick, (*iter)->nickname.c_str(), (*iter)->reason.c_str());
}
SVSHolds.erase(iter);
break;
}
}
HoldMap.erase(n);
delete n->second;
}
}
else if (pcnt >= 2)
{
/* full form to add a SVSHold */
if (ServerInstance->IsNick(parameters[0]))
{
// parameters[0] = w00t
// parameters[1] = 1h3m2s
// parameters[2] = Registered nickname
/* Already exists? */
if (HoldMap.find(parameters[0]) != HoldMap.end())
{
user->WriteServ( "385 %s %s :SVSHOLD already exists", user->nick, parameters[0]);
return CMD_FAILURE;
}
long length = ServerInstance->Duration(parameters[1]);
std::string reason = (pcnt > 2) ? parameters[2] : "No reason supplied";
SVSHold* S = new SVSHold(parameters[0], user->nick, ServerInstance->Time(), length, reason);
SVSHolds.push_back(S);
HoldMap[parameters[0]] = S;
std::sort(SVSHolds.begin(), SVSHolds.end(), SVSHoldComp);
if(length > 0)
{
user->WriteServ( "385 %s %s :Added %lu second SVSHOLD (%s)", user->nick, parameters[0], length, reason.c_str());
ServerInstance->WriteOpers("*** %s added %lu second SVSHOLD on %s (%s)", user->nick, length, parameters[0], reason.c_str());
}
else
{
user->WriteServ( "385 %s %s :Added permanent SVSHOLD on %s (%s)", user->nick, parameters[0], parameters[0], reason.c_str());
ServerInstance->WriteOpers("*** %s added permanent SVSHOLD on %s (%s)", user->nick, parameters[0], reason.c_str());
}
}
else
{
/* as this is primarily a Services command, do not provide an error */
return CMD_FAILURE;
}
}
return CMD_SUCCESS;
}
};
bool SVSHoldComp(const SVSHold* ban1, const SVSHold* ban2)
{
return ((ban1->set_on + ban1->length) < (ban2->set_on + ban2->length));
}
class ModuleSVSHold : public Module
{
cmd_svshold *mycommand;
public:
ModuleSVSHold(InspIRCd* Me) : Module(Me)
{
mycommand = new cmd_svshold(Me);
ServerInstance->AddCommand(mycommand);
}
void Implements(char* List)
{
List[I_OnUserPreNick] = List[I_OnSyncOtherMetaData] = List[I_OnDecodeMetaData] = List[I_OnStats] = 1;
}
virtual int OnStats(char symbol, userrec* user, string_list &results)
{
ExpireBans();
if(symbol == 'S')
{
for(SVSHoldlist::iterator iter = SVSHolds.begin(); iter != SVSHolds.end(); iter++)
{
unsigned long remaining = ((*iter)->set_on + (*iter)->length) - ServerInstance->Time();
results.push_back(std::string(ServerInstance->Config->ServerName)+" 210 "+user->nick+" "+(*iter)->nickname.c_str()+" "+(*iter)->set_by+" "+ConvToStr((*iter)->set_on)+" "+ConvToStr((*iter)->length)+" "+ConvToStr(remaining)+" :"+(*iter)->reason);
}
}
return 0;
}
virtual int OnUserPreNick(userrec *user, const std::string &newnick)
{
ExpireBans();
/* check SVSHolds in here, and apply as necessary. */
SVSHoldMap::iterator n = HoldMap.find(assign(newnick));
if (n != HoldMap.end())
{
user->WriteServ( "432 %s %s :Reserved nickname: %s", user->nick, newnick.c_str(), n->second->reason.c_str());
return 1;
}
return 0;
}
virtual void OnSyncOtherMetaData(Module* proto, void* opaque, bool displayable)
{
for(SVSHoldMap::iterator iter = HoldMap.begin(); iter != HoldMap.end(); iter++)
{
proto->ProtoSendMetaData(opaque, TYPE_OTHER, NULL, "SVSHold", EncodeSVSHold(iter->second));
}
}
virtual void OnDecodeMetaData(int target_type, void* target, const std::string &extname, const std::string &extdata)
{
if((target_type == TYPE_OTHER) && (extname == "SVSHold"))
{
SVSHold* S = DecodeSVSHold(extdata); /* NOTE: Allocates a new SVSHold* */
if (HoldMap.find(assign(S->nickname)) == HoldMap.end())
{
SVSHolds.push_back(S);
HoldMap[assign(S->nickname)] = S;
std::sort(SVSHolds.begin(), SVSHolds.end(), SVSHoldComp);
}
else
{
delete S;
}
}
}
virtual ~ModuleSVSHold()
{
}
virtual Version GetVersion()
{
return Version(1,1,0,1,VF_VENDOR|VF_COMMON,API_VERSION);
}
std::string EncodeSVSHold(const SVSHold* ban)
{
std::ostringstream stream;
stream << ban->nickname << " " << ban->set_by << " " << ban->set_on << " " << ban->length << " :" << ban->reason;
return stream.str();
}
SVSHold* DecodeSVSHold(const std::string &data)
{
SVSHold* res = new SVSHold();
int set_on;
irc::tokenstream tokens(data);
tokens.GetToken(res->nickname);
tokens.GetToken(res->set_by);
tokens.GetToken(set_on);
res->set_on = set_on;
tokens.GetToken(res->length);
tokens.GetToken(res->reason);
return res;
}
void ExpireBans()
{
SVSHoldlist::iterator iter,safeiter;
for (iter = SVSHolds.begin(); iter != SVSHolds.end(); iter++)
{
/* 0 == permanent, don't mess with them! -- w00t */
if ((*iter)->length != 0)
{
if ((*iter)->set_on + (*iter)->length <= ServerInstance->Time())
{
ServerInstance->Log(DEBUG, "m_svshold.so: hold on %s expired, removing...", (*iter)->nickname.c_str());
ServerInstance->WriteOpers("*** %li second SVSHOLD on %s (%s) set %u seconds ago expired", (*iter)->length, (*iter)->nickname.c_str(), (*iter)->reason.c_str(), ServerInstance->Time() - (*iter)->set_on);
HoldMap.erase(assign((*iter)->nickname));
delete *iter;
safeiter = iter;
--iter;
SVSHolds.erase(safeiter);
}
}
}
}
};
MODULE_INIT(ModuleSVSHold)
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