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
  26 /* $ModDesc: Implements SVSHOLD. Like Q:Lines, but can only be added/removed by Services. */
  27
  28 /** Holds a SVSHold item
  29  */
  30 class SVSHold : public XLine
  31 {
  32 public:
  33         irc::string nickname;
  34
  35         SVSHold(time_t s_time, long d, std::string src, std::string re, std::string nick)
  36                 : XLine(s_time, d, src, re, "SVSHOLD")
  37         {
  38                 this->nickname = nick.c_str();
  39         }
  40
  41         bool Matches(User *u)
  42         {
  43                 if (u->nick == nickname)
  44                         return true;
  45                 return false;
  46         }
  47
  48         bool Matches(const std::string &s)
  49         {
  50                 if (nickname == s)
  51                         return true;
  52                 return false;
  53         }
  54
  55         void DisplayExpiry()
  56         {
  57                 ServerInstance->SNO->WriteToSnoMask('x',"Removing expired SVSHOLD %s (set by %s %ld seconds ago)",
  58                         this->nickname.c_str(), this->source.c_str(), (long int)(ServerInstance->Time() - this->set_time));
  59         }
  60
  61         const char* Displayable()
  62         {
  63                 return nickname.c_str();
  64         }
  65 };
  66
  67 /** An XLineFactory specialized to generate SVSHOLD pointers
  68  */
  69 class SVSHoldFactory : public XLineFactory
  70 {
  71  public:
  72         SVSHoldFactory() : XLineFactory("SVSHOLD") { }
  73
  74         /** Generate a shun
  75         */
  76         XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
  77         {
  78                 return new SVSHold(set_time, duration, source, reason, xline_specific_mask);
  79         }
  80
  81         bool AutoApplyToUserList(XLine *x)
  82         {
  83                 return false;
  84         }
  85 };
  86
  87 /** Handle /SVSHold
  88  */
  89 class CommandSvshold : public Command
  90 {
  91  public:
  92         CommandSvshold(Module* Creator) : Command(Creator, "SVSHOLD", 1)
  93         {
  94                 flags_needed = 'o'; this->syntax = "<nickname> [<duration> :<reason>]";
  95                 TRANSLATE4(TR_TEXT, TR_TEXT, TR_TEXT, TR_END);
  96         }
  97
  98         CmdResult Handle(const std::vector<std::string> &parameters, User *user)
  99         {
 100                 /* syntax: svshold nickname time :reason goes here */
 101                 /* 'time' is a human-readable timestring, like 2d3h2s. */
 102
 103                 if (!ServerInstance->ULine(user->server))
 104                 {
 105                         /* don't allow SVSHOLD from non-ulined clients */
 106                         return CMD_FAILURE;
 107                 }
 108
 109                 if (parameters.size() == 1)
 110                 {
 111                         if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "SVSHOLD", user))
 112                         {
 113                                 ServerInstance->SNO->WriteToSnoMask('x',"%s removed SVSHOLD on %s",user->nick.c_str(),parameters[0].c_str());
 114                         }
 115                         else
 116                         {
 117                                 user->WriteServ("NOTICE %s :*** SVSHOLD %s not found in list, try /stats S.",user->nick.c_str(),parameters[0].c_str());
 118                         }
 119                 }
 120                 else
 121                 {
 122                         if (parameters.size() < 3)
 123                                 return CMD_FAILURE;
 124
 125                         unsigned long duration = InspIRCd::Duration(parameters[1]);
 126                         SVSHold* r = new SVSHold(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str());
 127
 128                         if (ServerInstance->XLines->AddLine(r, user))
 129                         {
 130                                 if (!duration)
 131                                 {
 132                                         ServerInstance->SNO->WriteGlobalSno('x', "%s added permanent SVSHOLD for %s: %s", user->nick.c_str(), parameters[0].c_str(), parameters[2].c_str());
 133                                 }
 134                                 else
 135                                 {
 136                                         time_t c_requires_crap = duration + ServerInstance->Time();
 137                                         std::string timestr = ServerInstance->TimeString(c_requires_crap);
 138                                         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());
 139                                 }
 140                         }
 141                         else
 142                         {
 143                                 delete r;
 144                                 return CMD_FAILURE;
 145                         }
 146                 }
 147
 148                 return CMD_SUCCESS;
 149         }
 150
 151         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
 152         {
 153                 return ROUTE_BROADCAST;
 154         }
 155 };
 156
 157 class ModuleSVSHold : public Module
 158 {
 159         CommandSvshold cmd;
 160         SVSHoldFactory s;
 161
 162
 163  public:
 164         ModuleSVSHold() : cmd(this)
 165         {
 166         }
 167
 168         void init()
 169         {
 170                 ServerInstance->XLines->RegisterFactory(&s);
 171                 ServerInstance->Modules->AddService(cmd);
 172                 Implementation eventlist[] = { I_OnUserPreNick, I_OnStats };
 173                 ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
 174         }
 175
 176         virtual ModResult OnStats(char symbol, User* user, string_list &out)
 177         {
 178                 if(symbol != 'S')
 179                         return MOD_RES_PASSTHRU;
 180
 181                 ServerInstance->XLines->InvokeStats("SVSHOLD", 210, user, out);
 182                 return MOD_RES_DENY;
 183         }
 184
 185         virtual ModResult OnUserPreNick(User *user, const std::string &newnick)
 186         {
 187                 XLine *rl = ServerInstance->XLines->MatchesLine("SVSHOLD", newnick);
 188
 189                 if (rl)
 190                 {
 191                         user->WriteServ( "432 %s %s :Services reserved nickname: %s", user->nick.c_str(), newnick.c_str(), rl->reason.c_str());
 192                         return MOD_RES_DENY;
 193                 }
 194
 195                 return MOD_RES_PASSTHRU;
 196         }
 197
 198         virtual ~ModuleSVSHold()
 199         {
 200                 ServerInstance->XLines->DelAll("SVSHOLD");
 201                 ServerInstance->XLines->UnregisterFactory(&s);
 202         }
 203
 204         virtual Version GetVersion()
 205         {
 206                 return Version("Implements SVSHOLD. Like Q:Lines, but can only be added/removed by Services.", VF_COMMON | VF_VENDOR);
 207         }
 208 };
 209
 210 MODULE_INIT(ModuleSVSHold)