/*
* InspIRCd -- Internet Relay Chat Daemon
*
+ * Copyright (C) 2019 Matt Schatz <genius3000@g3k.solutions>
+ * Copyright (C) 2018 linuxdaemon <linuxdaemon.irc@gmail.com>
+ * Copyright (C) 2017-2018 B00mX0r <b00mx0r@aureus.pw>
+ * Copyright (C) 2013, 2017-2018, 2020 Sadie Powell <sadie@witchery.services>
+ * Copyright (C) 2012-2013, 2015-2016 Attila Molnar <attilamolnar@hush.com>
+ * Copyright (C) 2012, 2018-2019 Robby <robby@chatbelgie.be>
+ * Copyright (C) 2012 Jens Voss <DukePyrolator@anope.org>
+ * Copyright (C) 2009 Uli Schlachter <psychon@inspircd.org>
+ * Copyright (C) 2009 John Brooks <special@inspircd.org>
+ * Copyright (C) 2009 Dennis Friis <peavey@inspircd.org>
* Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
- * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
- * Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
+ * Copyright (C) 2008-2010 Craig Edwards <brain@inspircd.org>
* Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ * Copyright (C) 2008 Robin Burchell <robin+git@viroteck.net>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
#include "inspircd.h"
#include "xline.h"
+#include "modules/shun.h"
+#include "modules/stats.h"
-class Shun : public XLine
-{
-public:
- std::string matchtext;
-
- Shun(time_t s_time, long d, const std::string& src, const std::string& re, const std::string& shunmask)
- : XLine(s_time, d, src, re, "SHUN")
- , matchtext(shunmask)
- {
- }
-
- bool Matches(User *u)
- {
- // E: overrides shun
- LocalUser* lu = IS_LOCAL(u);
- if (lu && lu->exempt)
- return false;
-
- if (InspIRCd::Match(u->GetFullHost(), matchtext) || InspIRCd::Match(u->GetFullRealHost(), matchtext) || InspIRCd::Match(u->nick+"!"+u->ident+"@"+u->GetIPString(), matchtext))
- return true;
-
- if (InspIRCd::MatchCIDR(u->GetIPString(), matchtext, ascii_case_insensitive_map))
- return true;
-
- return false;
- }
-
- bool Matches(const std::string &s)
- {
- if (matchtext == s)
- return true;
- return false;
- }
-
- const std::string& Displayable()
- {
- return matchtext;
- }
-};
/** An XLineFactory specialized to generate shun pointers
*/
/** Generate a shun
*/
- XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
+ XLine* Generate(time_t set_time, unsigned long duration, const std::string& source, const std::string& reason, const std::string& xline_specific_mask) CXX11_OVERRIDE
{
return new Shun(set_time, duration, source, reason, xline_specific_mask);
}
- bool AutoApplyToUserList(XLine *x)
+ bool AutoApplyToUserList(XLine* x) CXX11_OVERRIDE
{
return false;
}
};
-//typedef std::vector<Shun> shunlist;
-
class CommandShun : public Command
{
public:
CommandShun(Module* Creator) : Command(Creator, "SHUN", 1, 3)
{
- flags_needed = 'o'; this->syntax = "<nick!user@hostmask> [<shun-duration>] :<reason>";
+ flags_needed = 'o';
+ syntax = "<nick!user@host> [<duration> :<reason>]";
}
- CmdResult Handle(const std::vector<std::string>& parameters, User *user)
+ CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
{
/* 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(target.c_str(), "SHUN", user))
+ std::string reason;
+
+ if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "SHUN", reason, user))
+ {
+ ServerInstance->SNO->WriteToSnoMask('x', "%s removed SHUN on %s: %s", user->nick.c_str(), parameters[0].c_str(), reason.c_str());
+ }
+ else if (ServerInstance->XLines->DelLine(target.c_str(), "SHUN", reason, user))
{
- ServerInstance->SNO->WriteToSnoMask('x',"%s removed SHUN on %s",user->nick.c_str(),target.c_str());
+ ServerInstance->SNO->WriteToSnoMask('x', "%s removed SHUN on %s: %s", user->nick.c_str(), target.c_str(), reason.c_str());
}
else
{
- user->WriteNotice("*** Shun " + target + " not found in list, try /stats H.");
+ user->WriteNotice("*** Shun " + parameters[0] + " not found on the list.");
return CMD_FAILURE;
}
}
std::string expr;
if (parameters.size() > 2)
{
- duration = InspIRCd::Duration(parameters[1]);
+ if (!InspIRCd::Duration(parameters[1], duration))
+ {
+ user->WriteNotice("*** Invalid duration for SHUN.");
+ return CMD_FAILURE;
+ }
expr = parameters[2];
}
else
{
if (!duration)
{
- ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent SHUN for %s: %s",
+ ServerInstance->SNO->WriteToSnoMask('x', "%s added permanent SHUN for %s: %s",
user->nick.c_str(), target.c_str(), expr.c_str());
}
else
{
- time_t c_requires_crap = duration + ServerInstance->Time();
- std::string timestr = InspIRCd::TimeString(c_requires_crap);
- ServerInstance->SNO->WriteToSnoMask('x', "%s added timed SHUN for %s to expire on %s: %s",
- user->nick.c_str(), target.c_str(), timestr.c_str(), expr.c_str());
+ ServerInstance->SNO->WriteToSnoMask('x', "%s added timed SHUN for %s, expires in %s (on %s): %s",
+ user->nick.c_str(), target.c_str(), InspIRCd::DurationString(duration).c_str(),
+ InspIRCd::TimeString(ServerInstance->Time() + duration).c_str(), expr.c_str());
}
}
else
{
delete r;
- user->WriteNotice("*** Shun for " + target + " already exists");
+ user->WriteNotice("*** Shun for " + target + " already exists.");
return CMD_FAILURE;
}
}
return CMD_SUCCESS;
}
- RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
+ RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
{
if (IS_LOCAL(user))
return ROUTE_LOCALONLY; // spanningtree will send ADDLINE
}
};
-class ModuleShun : public Module
+class ModuleShun : public Module, public Stats::EventListener
{
+ private:
CommandShun cmd;
- ShunFactory f;
- insp::flat_set<std::string> ShunEnabledCommands;
- bool NotifyOfShun;
+ ShunFactory shun;
+ insp::flat_set<std::string, irc::insensitive_swo> cleanedcommands;
+ insp::flat_set<std::string, irc::insensitive_swo> enabledcommands;
bool affectopers;
+ bool allowtags;
+ bool notifyuser;
+
+ bool IsShunned(LocalUser* user)
+ {
+ // Exempt the user from shuns if they are an oper and affectopers is disabled.
+ if (!affectopers && user->IsOper())
+ return false;
+
+ // Exempt the user from shuns if they are an oper with the servers/ignore-shun privilege.
+ if (user->HasPrivPermission("servers/ignore-shun"))
+ return false;
+
+ // Check whether the user is actually shunned.
+ return ServerInstance->XLines->MatchesLine("SHUN", user);
+ }
public:
- ModuleShun() : cmd(this)
+ ModuleShun()
+ : Stats::EventListener(this)
+ , cmd(this)
{
}
void init() CXX11_OVERRIDE
{
- ServerInstance->XLines->RegisterFactory(&f);
+ ServerInstance->XLines->RegisterFactory(&shun);
}
~ModuleShun()
{
ServerInstance->XLines->DelAll("SHUN");
- ServerInstance->XLines->UnregisterFactory(&f);
+ ServerInstance->XLines->UnregisterFactory(&shun);
}
- void Prioritize()
+ void Prioritize() CXX11_OVERRIDE
{
Module* alias = ServerInstance->Modules->Find("m_alias.so");
ServerInstance->Modules->SetPriority(this, I_OnPreCommand, PRIORITY_BEFORE, alias);
if (stats.GetSymbol() != 'H')
return MOD_RES_PASSTHRU;
- ServerInstance->XLines->InvokeStats("SHUN", 223, stats);
+ ServerInstance->XLines->InvokeStats("SHUN", stats);
return MOD_RES_DENY;
}
void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
{
ConfigTag* tag = ServerInstance->Config->ConfValue("shun");
- std::string cmds = tag->getString("enabledcommands");
- std::transform(cmds.begin(), cmds.end(), cmds.begin(), ::toupper);
- if (cmds.empty())
- cmds = "PING PONG QUIT";
+ cleanedcommands.clear();
+ irc::spacesepstream cleanedcmds(tag->getString("cleanedcommands", "AWAY PART QUIT"));
+ for (std::string cleanedcmd; cleanedcmds.GetToken(cleanedcmd); )
+ cleanedcommands.insert(cleanedcmd);
- ShunEnabledCommands.clear();
+ enabledcommands.clear();
+ irc::spacesepstream enabledcmds(tag->getString("enabledcommands", "ADMIN OPER PING PONG QUIT", 1));
+ for (std::string enabledcmd; enabledcmds.GetToken(enabledcmd); )
+ enabledcommands.insert(enabledcmd);
- std::stringstream dcmds(cmds);
- std::string thiscmd;
-
- while (dcmds >> thiscmd)
- {
- ShunEnabledCommands.insert(thiscmd);
- }
-
- NotifyOfShun = tag->getBool("notifyuser", true);
affectopers = tag->getBool("affectopers", false);
+ allowtags = tag->getBool("allowtags");
+ notifyuser = tag->getBool("notifyuser", true);
}
- ModResult OnPreCommand(std::string &command, std::vector<std::string>& parameters, LocalUser* user, bool validated, const std::string &original_line) CXX11_OVERRIDE
+ ModResult OnPreCommand(std::string& command, CommandBase::Params& parameters, LocalUser* user, bool validated) CXX11_OVERRIDE
{
- if (validated)
+ if (validated || !IsShunned(user))
return MOD_RES_PASSTHRU;
- if (!ServerInstance->XLines->MatchesLine("SHUN", user))
- {
- /* Not shunned, don't touch. */
- return MOD_RES_PASSTHRU;
- }
-
- if (!affectopers && user->IsOper())
+ if (!enabledcommands.count(command))
{
- /* Don't do anything if the user is an operator and affectopers isn't set */
- return MOD_RES_PASSTHRU;
- }
-
- if (!ShunEnabledCommands.count(command))
- {
- if (NotifyOfShun)
- user->WriteNotice("*** Command " + command + " not processed, as you have been blocked from issuing commands (SHUN)");
+ if (notifyuser)
+ user->WriteNotice("*** " + command + " command not processed as you have been blocked from issuing commands.");
return MOD_RES_DENY;
}
- if (command == "QUIT")
+ if (!allowtags)
{
- /* Allow QUIT but dont show any quit message */
- parameters.clear();
+ // Remove all client tags.
+ ClientProtocol::TagMap& tags = parameters.GetTags();
+ for (ClientProtocol::TagMap::iterator tag = tags.begin(); tag != tags.end(); )
+ {
+ if (tag->first[0] == '+')
+ tag = tags.erase(tag);
+ else
+ tag++;
+ }
}
- else if ((command == "PART") && (parameters.size() > 1))
+
+ if (cleanedcommands.count(command))
{
- /* same for PART */
- parameters[1].clear();
+ if (command == "AWAY" && !parameters.empty())
+ {
+ // Allow away but only for unsetting.
+ parameters.clear();
+ }
+ else if (command == "PART" && parameters.size() > 1)
+ {
+ // Allow part but strip the message.
+ parameters.pop_back();
+ }
+ else if (command == "QUIT" && !parameters.empty())
+ {
+ // Allow quit but strip the message.
+ parameters.clear();
+ }
}
- /* if we're here, allow the command. */
return MOD_RES_PASSTHRU;
}
Version GetVersion() CXX11_OVERRIDE
{
- return Version("Provides the /SHUN command, which stops a user from executing all except configured commands.",VF_VENDOR|VF_COMMON);
+ return Version("Adds the /SHUN command which allows server operators to prevent users from executing commands.", VF_VENDOR|VF_COMMON);
}
};