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 namespace
  29 {
  30         bool silent;
  31 }
  32
  33 /** Holds a SVSHold item
  34  */
  35 class SVSHold : public XLine
  36 {
  37 public:
  38         irc::string nickname;
  39
  40         SVSHold(time_t s_time, long d, const std::string& src, const std::string& re, const std::string& nick)
  41                 : XLine(s_time, d, src, re, "SVSHOLD")
  42         {
  43                 this->nickname = nick.c_str();
  44         }
  45
  46         ~SVSHold()
  47         {
  48         }
  49
  50         bool Matches(User *u)
  51         {
  52                 if (u->nick == nickname)
  53                         return true;
  54                 return false;
  55         }
  56
  57         bool Matches(const std::string &s)
  58         {
  59                 if (nickname == s)
  60                         return true;
  61                 return false;
  62         }
  63
  64         void DisplayExpiry()
  65         {
  66                 if (!silent)
  67                 {
  68                         ServerInstance->SNO->WriteToSnoMask('x',"Removing expired SVSHOLD %s (set by %s %ld seconds ago)",
  69                                 this->nickname.c_str(), this->source.c_str(), (long int)(ServerInstance->Time() - this->set_time));
  70                 }
  71         }
  72
  73         const char* Displayable()
  74         {
  75                 return nickname.c_str();
  76         }
  77 };
  78
  79 /** An XLineFactory specialized to generate SVSHOLD pointers
  80  */
  81 class SVSHoldFactory : public XLineFactory
  82 {
  83  public:
  84         SVSHoldFactory() : XLineFactory("SVSHOLD") { }
  85
  86         /** Generate a shun
  87         */
  88         XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
  89         {
  90                 return new SVSHold(set_time, duration, source, reason, xline_specific_mask);
  91         }
  92
  93         bool AutoApplyToUserList(XLine *x)
  94         {
  95                 return false;
  96         }
  97 };
  98
  99 /** Handle /SVSHold
 100  */
 101 class CommandSvshold : public Command
 102 {
 103  public:
 104         CommandSvshold(Module* Creator) : Command(Creator, "SVSHOLD", 1)
 105         {
 106                 flags_needed = 'o'; this->syntax = "<nickname> [<duration> :<reason>]";
 107                 TRANSLATE4(TR_TEXT, TR_TEXT, TR_TEXT, TR_END);
 108         }
 109
 110         CmdResult Handle(const std::vector<std::string> &parameters, User *user)
 111         {
 112                 /* syntax: svshold nickname time :reason goes here */
 113                 /* 'time' is a human-readable timestring, like 2d3h2s. */
 114
 115                 if (!ServerInstance->ULine(user->server))
 116                 {
 117                         /* don't allow SVSHOLD from non-ulined clients */
 118                         return CMD_FAILURE;
 119                 }
 120
 121                 if (parameters.size() == 1)
 122                 {
 123                         if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "SVSHOLD", user))
 124                         {
 125                                 if (!silent)
 126                                         ServerInstance->SNO->WriteToSnoMask('x',"%s removed SVSHOLD on %s",user->nick.c_str(),parameters[0].c_str());
 127                         }
 128                         else
 129                         {
 130                                 user->WriteServ("NOTICE %s :*** SVSHOLD %s not found in list, try /stats S.",user->nick.c_str(),parameters[0].c_str());
 131                         }
 132                 }
 133                 else
 134                 {
 135                         if (parameters.size() < 3)
 136                                 return CMD_FAILURE;
 137
 138                         // Adding - XXX todo make this respect <insane> tag perhaps..
 139                         long duration = ServerInstance->Duration(parameters[1]);
 140                         SVSHold* r = new SVSHold(ServerInstance->Time(), duration, user->nick.c_str(), parameters[2].c_str(), parameters[0].c_str());
 141
 142                         if (ServerInstance->XLines->AddLine(r, user))
 143                         {
 144                                 if (silent)
 145                                         return CMD_SUCCESS;
 146
 147                                 if (!duration)
 148                                 {
 149                                         ServerInstance->SNO->WriteGlobalSno('x', "%s added permanent SVSHOLD for %s: %s", user->nick.c_str(), parameters[0].c_str(), parameters[2].c_str());
 150                                 }
 151                                 else
 152                                 {
 153                                         time_t c_requires_crap = duration + ServerInstance->Time();
 154                                         std::string timestr = ServerInstance->TimeString(c_requires_crap);
 155                                         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());
 156                                 }
 157                         }
 158                         else
 159                         {
 160                                 delete r;
 161                                 return CMD_FAILURE;
 162                         }
 163                 }
 164
 165                 return CMD_SUCCESS;
 166         }
 167
 168         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
 169         {
 170                 return ROUTE_BROADCAST;
 171         }
 172 };
 173
 174 class ModuleSVSHold : public Module
 175 {
 176         CommandSvshold cmd;
 177         SVSHoldFactory s;
 178
 179
 180  public:
 181         ModuleSVSHold() : cmd(this)
 182         {
 183         }
 184
 185         void init()
 186         {
 187                 ServerInstance->XLines->RegisterFactory(&s);
 188                 ServerInstance->Modules->AddService(cmd);
 189                 Implementation eventlist[] = { I_OnUserPreNick, I_OnStats, I_OnRehash };
 190                 ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
 191                 OnRehash(NULL);
 192         }
 193
 194         void OnRehash(User* user)
 195         {
 196                 ConfigTag* tag = ServerInstance->Config->ConfValue("svshold");
 197                 silent = tag->getBool("silent");
 198         }
 199
 200         virtual ModResult OnStats(char symbol, User* user, string_list &out)
 201         {
 202                 if(symbol != 'S')
 203                         return MOD_RES_PASSTHRU;
 204
 205                 ServerInstance->XLines->InvokeStats("SVSHOLD", 210, user, out);
 206                 return MOD_RES_DENY;
 207         }
 208
 209         virtual ModResult OnUserPreNick(User *user, const std::string &newnick)
 210         {
 211                 XLine *rl = ServerInstance->XLines->MatchesLine("SVSHOLD", newnick);
 212
 213                 if (rl)
 214                 {
 215                         user->WriteServ( "432 %s %s :Services reserved nickname: %s", user->nick.c_str(), newnick.c_str(), rl->reason.c_str());
 216                         return MOD_RES_DENY;
 217                 }
 218
 219                 return MOD_RES_PASSTHRU;
 220         }
 221
 222         virtual ~ModuleSVSHold()
 223         {
 224                 ServerInstance->XLines->DelAll("SVSHOLD");
 225                 ServerInstance->XLines->UnregisterFactory(&s);
 226         }
 227
 228         virtual Version GetVersion()
 229         {
 230                 return Version("Implements SVSHOLD. Like Q:Lines, but can only be added/removed by Services.", VF_COMMON | VF_VENDOR);
 231         }
 232 };
 233
 234 MODULE_INIT(ModuleSVSHold)