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#include "inspircd.h"
#include "xline.h"
/* $ModDesc: Provides the /shun command, which stops a user executing all commands except PING and PONG. */
class Shun : public XLine
{
public:
std::string matchtext;
Shun(InspIRCd* Instance, time_t s_time, long d, const char* src, const char* re, const char *shunmask) : XLine(Instance, s_time, d, src, re, "SHUN")
{
this->matchtext = shunmask;
}
~Shun()
{
}
bool Matches(User *u)
{
if (InspIRCd::Match(u->GetFullHost(), matchtext) || InspIRCd::Match(u->GetFullRealHost(), matchtext))
return true;
return false;
}
bool Matches(const std::string &s)
{
if (matchtext == s)
return true;
return false;
}
void Apply(User *u)
{
if (!u->GetExt("shunned"))
u->Extend("shunned");
}
void DisplayExpiry()
{
ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed shun %s (set by %s %ld seconds ago)", this->matchtext.c_str(), this->source, this->duration);
}
const char* Displayable()
{
return matchtext.c_str();
}
};
/** An XLineFactory specialized to generate shun pointers
*/
class ShunFactory : public XLineFactory
{
public:
ShunFactory(InspIRCd* Instance) : XLineFactory(Instance, "SHUN") { }
/** Generate a shun
*/
XLine* Generate(time_t set_time, long duration, const char* source, const char* reason, const char* xline_specific_mask)
{
return new Shun(ServerInstance, set_time, duration, source, reason, xline_specific_mask);
}
};
//typedef std::vector<Shun> shunlist;
class cmd_shun : public Command
{
private:
InspIRCd *Srv;
public:
cmd_shun(InspIRCd* Me) : Command(Me, "SHUN", "o", 1, 3), Srv(Me)
{
this->source = "m_shun.so";
this->syntax = "<nick!user@hostmask> [<shun-duration>] :<reason>";
}
CmdResult Handle(const std::vector<std::string>& parameters, User *user)
{
/* syntax: SHUN nick!user@host time :reason goes here */
/* 'time' is a human-readable timestring, like 2d3h2s. */
if (parameters.size() == 1)
{
if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "SHUN", user))
{
ServerInstance->SNO->WriteToSnoMask('x',"%s Removed shun on %s.",user->nick.c_str(),parameters[0].c_str());
}
else
{
// XXX todo implement stats
user->WriteServ("NOTICE %s :*** Shun %s not found in list, try /stats s.",user->nick.c_str(),parameters[0].c_str());
}
return CMD_SUCCESS;
}
else if (parameters.size() >= 2)
{
// Adding - XXX todo make this respect <insane> tag perhaps..
long duration = ServerInstance->Duration(parameters[1]);
Shun *r = NULL;
try
{
r = new Shun(ServerInstance, ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str());
}
catch (...)
{
; // Do nothing. If we get here, the regex was fucked up, and they already got told it fucked up.
}
if (r)
{
if (ServerInstance->XLines->AddLine(r, user))
{
if (!duration)
{
ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent shun for %s.", user->nick.c_str(), parameters[0].c_str());
}
else
{
time_t c_requires_crap = duration + ServerInstance->Time();
ServerInstance->SNO->WriteToSnoMask('x', "%s added timed shun for %s, expires on %s", user->nick.c_str(), parameters[0].c_str(),
ServerInstance->TimeString(c_requires_crap).c_str());
}
ServerInstance->XLines->ApplyLines();
}
else
{
delete r;
user->WriteServ("NOTICE %s :*** Shun for %s already exists", user->nick.c_str(), parameters[0].c_str());
}
}
}
return CMD_FAILURE;
}
};
class ModuleShun : public Module
{
cmd_shun* mycommand;
ShunFactory *f;
std::map<std::string, bool> ShunEnabledCommands;
bool NotifyOfShun;
public:
ModuleShun(InspIRCd* Me) : Module(Me)
{
f = new ShunFactory(ServerInstance);
ServerInstance->XLines->RegisterFactory(f);
mycommand = new cmd_shun(ServerInstance);
ServerInstance->AddCommand(mycommand);
Implementation eventlist[] = { I_OnStats, I_OnPreCommand, I_OnUserConnect, I_OnRehash };
ServerInstance->Modules->Attach(eventlist, this, 4);
OnRehash(NULL, "");
}
virtual ~ModuleShun()
{
ServerInstance->XLines->DelAll("SHUN");
ServerInstance->XLines->UnregisterFactory(f);
}
virtual int OnStats(char symbol, User* user, string_list& out)
{
if (symbol != 'S')
return 0;
ServerInstance->XLines->InvokeStats("SHUN", 223, user, out);
return 1;
}
virtual void OnRehash(User* user, const std::string ¶meter)
{
ConfigReader MyConf(ServerInstance);
std::string cmds = MyConf.ReadValue("shun", "enabledcommands", 0);
if (cmds.empty())
cmds = "PING PONG QUIT";
ShunEnabledCommands.clear();
NotifyOfShun = true;
std::stringstream dcmds(cmds);
std::string thiscmd;
while (dcmds >> thiscmd)
{
ShunEnabledCommands[thiscmd] = true;
}
NotifyOfShun = MyConf.ReadFlag("shun", "notifyuser", "yes", 0);
}
virtual void OnUserConnect(User* user)
{
if (!IS_LOCAL(user))
return;
// Apply lines on user connect
XLine *rl = ServerInstance->XLines->MatchesLine("SHUN", user);
if (rl)
{
// Bang. :P
rl->Apply(user);
}
}
virtual int OnPreCommand(std::string &command, std::vector<std::string>& parameters, User* user, bool validated, const std::string &original_line)
{
if (validated || !user->GetExt("shunned"))
return 0;
if (!ServerInstance->XLines->MatchesLine("SHUN", user))
{
/* The shun previously set on this user has expired or been removed */
user->Shrink("shunned");
return 0;
}
std::map<std::string, bool>::iterator i = ShunEnabledCommands.find(command);
if (i == ShunEnabledCommands.end())
{
user->WriteServ("NOTICE %s :*** Command %s not processed, as you have been blocked from issuing commands (SHUN)", user->nick.c_str(), command.c_str());
return 1;
}
if (command == "QUIT")
{
/* Allow QUIT but dont show any quit message */
parameters.clear();
}
else if (command == "PART")
{
/* same for PART */
parameters.clear();
}
return 1;
}
virtual Version GetVersion()
{
return Version("$Id$",VF_VENDOR|VF_COMMON,API_VERSION);
}
};
MODULE_INIT(ModuleShun)
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