]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/modules/m_shun.cpp
Fix the cloaking module on C++98 compilers.
[user/henk/code/inspircd.git] / src / modules / m_shun.cpp
index 28faf898b061aa0d6bb3247285b8baed8fa072e6..d63b721a0ebe5938c285cbcbbfcfacb948692e58 100644 (file)
@@ -1,10 +1,19 @@
 /*
  * 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, 2020-2021 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012-2013, 2015-2016 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2012, 2019 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2012 Jens Voss <DukePyrolator@anope.org>
+ *   Copyright (C) 2009 Uli Schlachter <psychon@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
  */
@@ -72,28 +44,27 @@ class ShunFactory : public XLineFactory
 
        /** 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. */
@@ -106,13 +77,19 @@ class CommandShun : public Command
 
                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",user->nick.c_str(),target.c_str());
+                               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: %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;
                        }
                }
@@ -123,7 +100,11 @@ class CommandShun : public Command
                        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
@@ -137,28 +118,27 @@ class CommandShun : public Command
                        {
                                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
@@ -167,28 +147,52 @@ class CommandShun : public Command
        }
 };
 
-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 allowconnect;
+       bool allowtags;
+       bool notifyuser;
+
+       bool IsShunned(LocalUser* user)
+       {
+               // Exempt the user if they are not fully connected and allowconnect is enabled.
+               if (allowconnect && user->registered != REG_ALL)
+                       return false;
+
+               // 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() CXX11_OVERRIDE
@@ -202,75 +206,80 @@ class ModuleShun : public Module
                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";
 
-               ShunEnabledCommands.clear();
+               cleanedcommands.clear();
+               irc::spacesepstream cleanedcmds(tag->getString("cleanedcommands", "AWAY PART QUIT"));
+               for (std::string cleanedcmd; cleanedcmds.GetToken(cleanedcmd); )
+                       cleanedcommands.insert(cleanedcmd);
 
-               std::stringstream dcmds(cmds);
-               std::string thiscmd;
+               enabledcommands.clear();
+               irc::spacesepstream enabledcmds(tag->getString("enabledcommands", "ADMIN OPER PING PONG QUIT", 1));
+               for (std::string enabledcmd; enabledcmds.GetToken(enabledcmd); )
+                       enabledcommands.insert(enabledcmd);
 
-               while (dcmds >> thiscmd)
-               {
-                       ShunEnabledCommands.insert(thiscmd);
-               }
-
-               NotifyOfShun = tag->getBool("notifyuser", true);
                affectopers = tag->getBool("affectopers", false);
+               allowtags = tag->getBool("allowtags");
+               allowconnect = tag->getBool("allowconnect");
+               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)
-                       return MOD_RES_PASSTHRU;
-
-               if (!ServerInstance->XLines->MatchesLine("SHUN", user))
-               {
-                       /* Not shunned, don't touch. */
-                       return MOD_RES_PASSTHRU;
-               }
-
-               if (!affectopers && user->IsOper())
-               {
-                       /* Don't do anything if the user is an operator and affectopers isn't set */
+               if (validated || !IsShunned(user))
                        return MOD_RES_PASSTHRU;
-               }
 
-               if (!ShunEnabledCommands.count(command))
+               if (!enabledcommands.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);
        }
 };