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, std::string src, std::string re, std::string ch)
  27                 : XLine(Instance, s_time, d, src, re, "CBAN")
  28         {
  29                 this->matchtext = ch.c_str();
  30         }
  31
  32         ~CBan()
  33         {
  34         }
  35
  36         // XXX I shouldn't have to define this
  37         bool Matches(User *u)
  38         {
  39                 return false;
  40         }
  41
  42         bool Matches(const std::string &s)
  43         {
  44                 if (matchtext == s)
  45                         return true;
  46                 return false;
  47         }
  48
  49         void DisplayExpiry()
  50         {
  51                 ServerInstance->SNO->WriteToSnoMask('x',"Removing expired CBan %s (set by %s %ld seconds ago)",
  52                         this->matchtext.c_str(), this->source.c_str(), (long int)(ServerInstance->Time() - this->set_time));
  53                 ServerInstance->PI->SendSNONotice("x", "Removing expired CBan " + assign(this->matchtext) + " (set by " + this->source + " " + ConvToStr(ServerInstance->Time() - this->set_time) + " seconds ago)");
  54         }
  55
  56         const char* Displayable()
  57         {
  58                 return matchtext.c_str();
  59         }
  60 };
  61
  62 /** An XLineFactory specialized to generate cban pointers
  63  */
  64 class CBanFactory : public XLineFactory
  65 {
  66  public:
  67         CBanFactory(InspIRCd* Instance) : XLineFactory(Instance, "CBAN") { }
  68
  69         /** Generate a shun
  70         */
  71         XLine* Generate(time_t set_time, long duration, std::string source, std::string reason, std::string xline_specific_mask)
  72         {
  73                 return new CBan(ServerInstance, set_time, duration, source, reason, xline_specific_mask);
  74         }
  75
  76         bool AutoApplyToUserList(XLine *x)
  77         {
  78                 return false; // No, we apply to channels.
  79         }
  80 };
  81
  82 /** Handle /CBAN
  83  */
  84 class CommandCBan : public Command
  85 {
  86  public:
  87         CommandCBan(Module* Creator) : Command(Creator, "CBAN", 1, 3)
  88         {
  89                 flags_needed = 'o'; this->syntax = "<channel> [<duration> :<reason>]";
  90                 TRANSLATE4(TR_TEXT,TR_TEXT,TR_TEXT,TR_END);
  91         }
  92
  93         CmdResult Handle(const std::vector<std::string> &parameters, User *user)
  94         {
  95                 /* syntax: CBAN #channel time :reason goes here */
  96                 /* 'time' is a human-readable timestring, like 2d3h2s. */
  97
  98                 if (parameters.size() == 1)
  99                 {
 100                         if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "CBAN", user))
 101                         {
 102                                 ServerInstance->SNO->WriteToSnoMask('x',"%s removed CBan on %s.",user->nick.c_str(),parameters[0].c_str());
 103                                 ServerInstance->PI->SendSNONotice("x", user->nick + " removed CBan on " + parameters[0]);
 104                         }
 105                         else
 106                         {
 107                                 user->WriteServ("NOTICE %s :*** CBan %s not found in list, try /stats C.",user->nick.c_str(),parameters[0].c_str());
 108                         }
 109
 110                         return CMD_SUCCESS;
 111                 }
 112                 else if (parameters.size() >= 2)
 113                 {
 114                         // Adding - XXX todo make this respect <insane> tag perhaps..
 115                         long duration = ServerInstance->Duration(parameters[1]);
 116                         CBan *r = NULL;
 117                         const char *reason = (parameters.size() > 2) ? parameters[2].c_str() : "No reason supplied";
 118
 119                         try
 120                         {
 121                                 r = new CBan(ServerInstance, ServerInstance->Time(), duration, user->nick.c_str(), reason, parameters[0].c_str());
 122                         }
 123                         catch (...)
 124                         {
 125                                 ; // Do nothing. If we get here, the regex was fucked up, and they already got told it fucked up.
 126                         }
 127
 128                         if (r)
 129                         {
 130                                 if (ServerInstance->XLines->AddLine(r, user))
 131                                 {
 132                                         if (!duration)
 133                                         {
 134                                                 ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent CBan for %s: %s", user->nick.c_str(), parameters[0].c_str(), reason);
 135                                                 ServerInstance->PI->SendSNONotice("x", user->nick + " added permenant CBan for " + parameters[0] + ": " + std::string(reason));
 136                                         }
 137                                         else
 138                                         {
 139                                                 time_t c_requires_crap = duration + ServerInstance->Time();
 140                                                 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);
 141                                                 ServerInstance->PI->SendSNONotice("x", user->nick + " added timed CBan for " + parameters[0] + ", expires on " + ServerInstance->TimeString(c_requires_crap) + ": " + std::string(reason));
 142                                         }
 143
 144                                         ServerInstance->XLines->ApplyLines();
 145                                 }
 146                                 else
 147                                 {
 148                                         delete r;
 149                                         user->WriteServ("NOTICE %s :*** CBan for %s already exists", user->nick.c_str(), parameters[0].c_str());
 150                                 }
 151                         }
 152                 }
 153
 154                 return CMD_FAILURE;
 155         }
 156
 157         RouteDescriptor GetRouting(User* user, const std::vector<std::string>& parameters)
 158         {
 159                 return ROUTE_BROADCAST;
 160         }
 161 };
 162
 163 class ModuleCBan : public Module
 164 {
 165         CommandCBan mycommand;
 166         CBanFactory f;
 167
 168  public:
 169         ModuleCBan(InspIRCd* Me) : Module(Me), mycommand(this), f(Me)
 170         {
 171                 ServerInstance->XLines->RegisterFactory(&f);
 172
 173                 ServerInstance->AddCommand(&mycommand);
 174                 Implementation eventlist[] = { I_OnUserPreJoin, I_OnStats };
 175                 ServerInstance->Modules->Attach(eventlist, this, 2);
 176         }
 177
 178         virtual ~ModuleCBan()
 179         {
 180                 ServerInstance->XLines->DelAll("CBAN");
 181                 ServerInstance->XLines->UnregisterFactory(&f);
 182         }
 183
 184         virtual ModResult OnStats(char symbol, User* user, string_list &out)
 185         {
 186                 if (symbol != 'C')
 187                         return MOD_RES_PASSTHRU;
 188
 189                 ServerInstance->XLines->InvokeStats("CBAN", 210, user, out);
 190                 return MOD_RES_DENY;
 191         }
 192
 193         virtual ModResult OnUserPreJoin(User *user, Channel *chan, const char *cname, std::string &privs, const std::string &keygiven)
 194         {
 195                 XLine *rl = ServerInstance->XLines->MatchesLine("CBAN", cname);
 196
 197                 if (rl)
 198                 {
 199                         // Channel is banned.
 200                         user->WriteServ( "384 %s %s :Cannot join channel, CBANed (%s)", user->nick.c_str(), cname, rl->reason.c_str());
 201                         ServerInstance->SNO->WriteToSnoMask('a', "%s tried to join %s which is CBANed (%s)",
 202                                  user->nick.c_str(), cname, rl->reason.c_str());
 203                         ServerInstance->PI->SendSNONotice("A", user->nick + " tried to join " + std::string(cname) + " which is CBANed (" + rl->reason + ")");
 204                         return MOD_RES_DENY;
 205                 }
 206
 207                 return MOD_RES_PASSTHRU;
 208         }
 209
 210         virtual Version GetVersion()
 211         {
 212                 return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
 213         }
 214 };
 215
 216 MODULE_INIT(ModuleCBan)
 217