src/modules/m_svshold.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2006-2008 Robin Burchell <robin+git@viroteck.net>
   5  *   Copyright (C) 2008 Pippijn van Steenhoven <pip88nl@gmail.com>
   6  *   Copyright (C) 2006-2008 Dennis Friis <peavey@inspircd.org>
   7  *   Copyright (C) 2006 Craig Edwards <craigedwards@brainbox.cc>
   8  *
   9  * This file is part of InspIRCd.  InspIRCd is free software: you can
  10  * redistribute it and/or modify it under the terms of the GNU General Public
  11  * License as published by the Free Software Foundation, version 2.
  12  *
  13  * This program is distributed in the hope that it will be useful, but WITHOUT
  14  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  15  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  16  * details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20  */
  21
  22
  23 #include "inspircd.h"
  24 #include "xline.h"
  25 #include "modules/stats.h"
  26
  27 namespace
  28 {
  29         bool silent;
  30 }
  31
  32 /** Holds a SVSHold item
  33  */
  34 class SVSHold : public XLine
  35 {
  36 public:
  37         std::string nickname;
  38
  39         SVSHold(time_t s_time, long d, const std::string& src, const std::string& re, const std::string& nick)
  40                 : XLine(s_time, d, src, re, "SVSHOLD")
  41         {
  42                 this->nickname = nick;
  43         }
  44
  45         bool Matches(User* u) CXX11_OVERRIDE
  46         {
  47                 if (u->nick == nickname)
  48                         return true;
  49                 return false;
  50         }
  51
  52         bool Matches(const std::string& s) CXX11_OVERRIDE
  53         {
  54                 return InspIRCd::Match(s, nickname);
  55         }
  56
  57         void DisplayExpiry() CXX11_OVERRIDE
  58         {
  59                 if (!silent)
  60                 {
  61                         ServerInstance->SNO->WriteToSnoMask('x', "Removing expired SVSHOLD %s (set by %s %ld seconds ago): %s",
  62                                 nickname.c_str(), source.c_str(), (long)(ServerInstance->Time() - set_time), reason.c_str());
  63                 }
  64         }
  65
  66         const std::string& Displayable() CXX11_OVERRIDE
  67         {
  68                 return nickname;
  69         }
  70 };
  71
  72 /** An XLineFactory specialized to generate SVSHOLD pointers
  73  */
  74 class SVSHoldFactory : public XLineFactory
  75 {
  76  public:
  77         SVSHoldFactory() : XLineFactory("SVSHOLD") { }
  78
  79         /** Generate a shun
  80         */
  81         XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask) CXX11_OVERRIDE
  82         {
  83                 return new SVSHold(set_time, duration, source, reason, xline_specific_mask);
  84         }
  85
  86         bool AutoApplyToUserList(XLine* x) CXX11_OVERRIDE
  87         {
  88                 return false;
  89         }
  90 };
  91
  92 /** Handle /SVSHold
  93  */
  94 class CommandSvshold : public Command
  95 {
  96  public:
  97         CommandSvshold(Module* Creator) : Command(Creator, "SVSHOLD", 1)
  98         {
  99                 flags_needed = 'o'; this->syntax = "<nickname> [<duration> :<reason>]";
 100         }
 101
 102         CmdResult Handle(User* user, const Params& parameters) CXX11_OVERRIDE
 103         {
 104                 /* syntax: svshold nickname time :reason goes here */
 105                 /* 'time' is a human-readable timestring, like 2d3h2s. */
 106
 107                 if (!user->server->IsULine())
 108                 {
 109                         /* don't allow SVSHOLD from non-ulined clients */
 110                         return CMD_FAILURE;
 111                 }
 112
 113                 if (parameters.size() == 1)
 114                 {
 115                         if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "SVSHOLD", user))
 116                         {
 117                                 if (!silent)
 118                                         ServerInstance->SNO->WriteToSnoMask('x',"%s removed SVSHOLD on %s",user->nick.c_str(),parameters[0].c_str());
 119                         }
 120                         else
 121                         {
 122                                 user->WriteNotice("*** SVSHOLD " + parameters[0] + " not found in list, try /stats S.");
 123                         }
 124                 }
 125                 else
 126                 {
 127                         if (parameters.size() < 3)
 128                                 return CMD_FAILURE;
 129
 130                         unsigned long duration = InspIRCd::Duration(parameters[1]);
 131                         SVSHold* r = new SVSHold(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str());
 132
 133                         if (ServerInstance->XLines->AddLine(r, user))
 134                         {
 135                                 if (silent)
 136                                         return CMD_SUCCESS;
 137
 138                                 if (!duration)
 139                                 {
 140                                         ServerInstance->SNO->WriteGlobalSno('x', "%s added permanent SVSHOLD for %s: %s", user->nick.c_str(), parameters[0].c_str(), parameters[2].c_str());
 141                                 }
 142                                 else
 143                                 {
 144                                         time_t c_requires_crap = duration + ServerInstance->Time();
 145                                         std::string timestr = InspIRCd::TimeString(c_requires_crap);
 146                                         ServerInstance->SNO->WriteGlobalSno('x', "%s added timed SVSHOLD for %s, expires on %s: %s", user->nick.c_str(), parameters[0].c_str(), timestr.c_str(), parameters[2].c_str());
 147                                 }
 148                         }
 149                         else
 150                         {
 151                                 delete r;
 152                                 return CMD_FAILURE;
 153                         }
 154                 }
 155
 156                 return CMD_SUCCESS;
 157         }
 158
 159         RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
 160         {
 161                 return ROUTE_BROADCAST;
 162         }
 163 };
 164
 165 class ModuleSVSHold : public Module, public Stats::EventListener
 166 {
 167         CommandSvshold cmd;
 168         SVSHoldFactory s;
 169
 170
 171  public:
 172         ModuleSVSHold()
 173                 : Stats::EventListener(this)
 174                 , cmd(this)
 175         {
 176         }
 177
 178         void init() CXX11_OVERRIDE
 179         {
 180                 ServerInstance->XLines->RegisterFactory(&s);
 181         }
 182
 183         void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
 184         {
 185                 ConfigTag* tag = ServerInstance->Config->ConfValue("svshold");
 186                 silent = tag->getBool("silent", true);
 187         }
 188
 189         ModResult OnStats(Stats::Context& stats) CXX11_OVERRIDE
 190         {
 191                 if (stats.GetSymbol() != 'S')
 192                         return MOD_RES_PASSTHRU;
 193
 194                 ServerInstance->XLines->InvokeStats("SVSHOLD", 210, stats);
 195                 return MOD_RES_DENY;
 196         }
 197
 198         ModResult OnUserPreNick(LocalUser* user, const std::string& newnick) CXX11_OVERRIDE
 199         {
 200                 XLine *rl = ServerInstance->XLines->MatchesLine("SVSHOLD", newnick);
 201
 202                 if (rl)
 203                 {
 204                         user->WriteNumeric(ERR_ERRONEUSNICKNAME, newnick, InspIRCd::Format("Services reserved nickname: %s", rl->reason.c_str()));
 205                         return MOD_RES_DENY;
 206                 }
 207
 208                 return MOD_RES_PASSTHRU;
 209         }
 210
 211         ~ModuleSVSHold()
 212         {
 213                 ServerInstance->XLines->DelAll("SVSHOLD");
 214                 ServerInstance->XLines->UnregisterFactory(&s);
 215         }
 216
 217         Version GetVersion() CXX11_OVERRIDE
 218         {
 219                 return Version("Implements SVSHOLD. Like Q:Lines, but can only be added/removed by Services.", VF_COMMON | VF_VENDOR);
 220         }
 221 };
 222
 223 MODULE_INIT(ModuleSVSHold)