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, unsigned 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 an SVSHOLD
  80         */
  81         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
  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;
 131                         if (!InspIRCd::Duration(parameters[1], duration))
 132                         {
 133                                 user->WriteNotice("*** Invalid duration for SVSHOLD.");
 134                                 return CMD_FAILURE;
 135                         }
 136                         SVSHold* r = new SVSHold(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str());
 137
 138                         if (ServerInstance->XLines->AddLine(r, user))
 139                         {
 140                                 if (silent)
 141                                         return CMD_SUCCESS;
 142
 143                                 if (!duration)
 144                                 {
 145                                         ServerInstance->SNO->WriteGlobalSno('x', "%s added permanent SVSHOLD for %s: %s", user->nick.c_str(), parameters[0].c_str(), parameters[2].c_str());
 146                                 }
 147                                 else
 148                                 {
 149                                         time_t c_requires_crap = duration + ServerInstance->Time();
 150                                         std::string timestr = InspIRCd::TimeString(c_requires_crap);
 151                                         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());
 152                                 }
 153                         }
 154                         else
 155                         {
 156                                 delete r;
 157                                 return CMD_FAILURE;
 158                         }
 159                 }
 160
 161                 return CMD_SUCCESS;
 162         }
 163
 164         RouteDescriptor GetRouting(User* user, const Params& parameters) CXX11_OVERRIDE
 165         {
 166                 return ROUTE_BROADCAST;
 167         }
 168 };
 169
 170 class ModuleSVSHold : public Module, public Stats::EventListener
 171 {
 172         CommandSvshold cmd;
 173         SVSHoldFactory s;
 174
 175
 176  public:
 177         ModuleSVSHold()
 178                 : Stats::EventListener(this)
 179                 , cmd(this)
 180         {
 181         }
 182
 183         void init() CXX11_OVERRIDE
 184         {
 185                 ServerInstance->XLines->RegisterFactory(&s);
 186         }
 187
 188         void ReadConfig(ConfigStatus& status) CXX11_OVERRIDE
 189         {
 190                 ConfigTag* tag = ServerInstance->Config->ConfValue("svshold");
 191                 silent = tag->getBool("silent", true);
 192         }
 193
 194         ModResult OnStats(Stats::Context& stats) CXX11_OVERRIDE
 195         {
 196                 if (stats.GetSymbol() != 'S')
 197                         return MOD_RES_PASSTHRU;
 198
 199                 ServerInstance->XLines->InvokeStats("SVSHOLD", 210, stats);
 200                 return MOD_RES_DENY;
 201         }
 202
 203         ModResult OnUserPreNick(LocalUser* user, const std::string& newnick) CXX11_OVERRIDE
 204         {
 205                 XLine *rl = ServerInstance->XLines->MatchesLine("SVSHOLD", newnick);
 206
 207                 if (rl)
 208                 {
 209                         user->WriteNumeric(ERR_ERRONEUSNICKNAME, newnick, InspIRCd::Format("Services reserved nickname: %s", rl->reason.c_str()));
 210                         return MOD_RES_DENY;
 211                 }
 212
 213                 return MOD_RES_PASSTHRU;
 214         }
 215
 216         ~ModuleSVSHold()
 217         {
 218                 ServerInstance->XLines->DelAll("SVSHOLD");
 219                 ServerInstance->XLines->UnregisterFactory(&s);
 220         }
 221
 222         Version GetVersion() CXX11_OVERRIDE
 223         {
 224                 return Version("Implements SVSHOLD. Like Q-lines, but can only be added/removed by Services.", VF_COMMON | VF_VENDOR);
 225         }
 226 };
 227
 228 MODULE_INIT(ModuleSVSHold)