src/modules/m_cban.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
   6  * See: http://wiki.inspircd.org/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "inspircd.h"
  15 #include "xline.h"
  16
  17 /* $ModDesc: Gives /cban, aka C:lines. Think Q:lines, for channels. */
  18
  19 /** Holds a CBAN item
  20  */
  21 class CBan : public XLine
  22 {
  23 public:
  24         irc::string matchtext;
  25
  26         CBan(InspIRCd* Instance, time_t s_time, long d, const char* src, const char* re, const char *ch) : XLine(Instance, s_time, d, src, re, "CBAN")
  27         {
  28                 this->matchtext = ch;
  29         }
  30
  31         ~CBan()
  32         {
  33         }
  34
  35         // XXX I shouldn't have to define this
  36         bool Matches(User *u)
  37         {
  38                 return false;
  39         }
  40
  41         bool Matches(const std::string &s)
  42         {
  43                 if (matchtext == s)
  44                         return true;
  45                 return false;
  46         }
  47
  48         void DisplayExpiry()
  49         {
  50                 ServerInstance->SNO->WriteToSnoMask('x',"Removing expired CBan %s (set by %s %ld seconds ago)", this->matchtext.c_str(), this->source, (long int)(ServerInstance->Time() - this->set_time));
  51                 ServerInstance->PI->SendSNONotice("x", "Removing expired CBan " + assign(this->matchtext) + " (set by " + std::string(this->source) + " " + ConvToStr(ServerInstance->Time() - this->set_time) + " seconds ago)");
  52         }
  53
  54         const char* Displayable()
  55         {
  56                 return matchtext.c_str();
  57         }
  58 };
  59
  60 /** An XLineFactory specialized to generate cban pointers
  61  */
  62 class CBanFactory : public XLineFactory
  63 {
  64  public:
  65         CBanFactory(InspIRCd* Instance) : XLineFactory(Instance, "CBAN") { }
  66
  67         /** Generate a shun
  68         */
  69         XLine* Generate(time_t set_time, long duration, const char* source, const char* reason, const char* xline_specific_mask)
  70         {
  71                 return new CBan(ServerInstance, set_time, duration, source, reason, xline_specific_mask);
  72         }
  73
  74         bool AutoApplyToUserList(XLine *x)
  75         {
  76                 return false; // No, we apply to channels.
  77         }
  78 };
  79
  80 /** Handle /CBAN
  81  */
  82 class CommandCBan : public Command
  83 {
  84  public:
  85         CommandCBan(InspIRCd* Me) : Command(Me, "CBAN", "o", 1, 3)
  86         {
  87                 this->source = "m_cban.so";
  88                 this->syntax = "<channel> [<duration> :<reason>]";
  89                 TRANSLATE4(TR_TEXT,TR_TEXT,TR_TEXT,TR_END);
  90         }
  91
  92         CmdResult Handle(const std::vector<std::string> &parameters, User *user)
  93         {
  94                 /* syntax: CBAN #channel time :reason goes here */
  95                 /* 'time' is a human-readable timestring, like 2d3h2s. */
  96
  97                 if (parameters.size() == 1)
  98                 {
  99                         if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "CBAN", user))
 100                         {
 101                                 ServerInstance->SNO->WriteToSnoMask('x',"%s removed CBan on %s.",user->nick.c_str(),parameters[0].c_str());
 102                                 ServerInstance->PI->SendSNONotice("x", user->nick + " removed CBan on " + parameters[0]);
 103                         }
 104                         else
 105                         {
 106                                 user->WriteServ("NOTICE %s :*** CBan %s not found in list, try /stats C.",user->nick.c_str(),parameters[0].c_str());
 107                         }
 108
 109                         return CMD_SUCCESS;
 110                 }
 111                 else if (parameters.size() >= 2)
 112                 {
 113                         // Adding - XXX todo make this respect <insane> tag perhaps..
 114                         long duration = ServerInstance->Duration(parameters[1]);
 115                         CBan *r = NULL;
 116                         const char *reason = (parameters.size() > 2) ? parameters[2].c_str() : "No reason supplied";
 117
 118                         try
 119                         {
 120                                 r = new CBan(ServerInstance, ServerInstance->Time(), duration, user->nick.c_str(), reason, parameters[0].c_str());
 121                         }
 122                         catch (...)
 123                         {
 124                                 ; // Do nothing. If we get here, the regex was fucked up, and they already got told it fucked up.
 125                         }
 126
 127                         if (r)
 128                         {
 129                                 if (ServerInstance->XLines->AddLine(r, user))
 130                                 {
 131                                         if (!duration)
 132                                         {
 133                                                 ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent CBan for %s: %s", user->nick.c_str(), parameters[0].c_str(), reason);
 134                                                 ServerInstance->PI->SendSNONotice("x", user->nick + " added permenant CBan for " + parameters[0] + ": " + std::string(reason));
 135                                         }
 136                                         else
 137                                         {
 138                                                 time_t c_requires_crap = duration + ServerInstance->Time();
 139                                                 ServerInstance->SNO->WriteToSnoMask('x', "%s added timed CBan for %s, expires on %s: %s", user->nick.c_str(), parameters[0].c_str(), ServerInstance->TimeString(c_requires_crap).c_str(), reason);
 140                                                 ServerInstance->PI->SendSNONotice("x", user->nick + " added timed CBan for " + parameters[0] + ", expires on " + ServerInstance->TimeString(c_requires_crap) + ": " + std::string(reason));
 141                                         }
 142
 143                                         ServerInstance->XLines->ApplyLines();
 144                                 }
 145                                 else
 146                                 {
 147                                         delete r;
 148                                         user->WriteServ("NOTICE %s :*** CBan for %s already exists", user->nick.c_str(), parameters[0].c_str());
 149                                 }
 150                         }
 151                 }
 152
 153                 return CMD_FAILURE;
 154         }
 155 };
 156
 157 class ModuleCBan : public Module
 158 {
 159         CommandCBan mycommand;
 160         CBanFactory f;
 161
 162  public:
 163         ModuleCBan(InspIRCd* Me) : Module(Me), mycommand(Me), f(Me)
 164         {
 165                 ServerInstance->XLines->RegisterFactory(&f);
 166
 167                 ServerInstance->AddCommand(&mycommand);
 168                 Implementation eventlist[] = { I_OnUserPreJoin, I_OnSyncOtherMetaData, I_OnDecodeMetaData, I_OnStats };
 169                 ServerInstance->Modules->Attach(eventlist, this, 4);
 170         }
 171
 172         virtual ~ModuleCBan()
 173         {
 174                 ServerInstance->XLines->DelAll("CBAN");
 175                 ServerInstance->XLines->UnregisterFactory(&f);
 176         }
 177
 178         virtual int OnStats(char symbol, User* user, string_list &out)
 179         {
 180                 if (symbol != 'C')
 181                         return 0;
 182
 183                 ServerInstance->XLines->InvokeStats("CBAN", 210, user, out);
 184                 return 1;
 185         }
 186
 187         virtual int OnUserPreJoin(User *user, Channel *chan, const char *cname, std::string &privs, const std::string &keygiven)
 188         {
 189                 XLine *rl = ServerInstance->XLines->MatchesLine("CBAN", cname);
 190
 191                 if (rl)
 192                 {
 193                         // Channel is banned.
 194                         user->WriteServ( "384 %s %s :Cannot join channel, CBANed (%s)", user->nick.c_str(), cname, rl->reason);
 195                         ServerInstance->SNO->WriteToSnoMask('a', "%s tried to join %s which is CBANed (%s)", user->nick.c_str(), cname, rl->reason);
 196                         ServerInstance->PI->SendSNONotice("A", user->nick + " tried to join " + std::string(cname) + " which is CBANed (" + std::string(rl->reason) + ")");
 197                         return 1;
 198                 }
 199
 200                 return 0;
 201         }
 202
 203         virtual Version GetVersion()
 204         {
 205                 return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
 206         }
 207 };
 208
 209 MODULE_INIT(ModuleCBan)
 210