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         }
  52
  53         const char* Displayable()
  54         {
  55                 return matchtext.c_str();
  56         }
  57 };
  58
  59 /** An XLineFactory specialized to generate cban pointers
  60  */
  61 class CBanFactory : public XLineFactory
  62 {
  63  public:
  64         CBanFactory(InspIRCd* Instance) : XLineFactory(Instance, "CBAN") { }
  65
  66         /** Generate a shun
  67         */
  68         XLine* Generate(time_t set_time, long duration, const char* source, const char* reason, const char* xline_specific_mask)
  69         {
  70                 return new CBan(ServerInstance, set_time, duration, source, reason, xline_specific_mask);
  71         }
  72
  73         bool AutoApplyToUserList(XLine *x)
  74         {
  75                 return false; // No, we apply to channels.
  76         }
  77 };
  78
  79 /** Handle /CBAN
  80  */
  81 class CommandCBan : public Command
  82 {
  83  public:
  84         CommandCBan(InspIRCd* Me) : Command(Me, "CBAN", "o", 1, 3)
  85         {
  86                 this->source = "m_cban.so";
  87                 this->syntax = "<channel> [<duration> :<reason>]";
  88                 TRANSLATE4(TR_TEXT,TR_TEXT,TR_TEXT,TR_END);
  89         }
  90
  91         CmdResult Handle(const std::vector<std::string> &parameters, User *user)
  92         {
  93                 /* syntax: CBAN #channel time :reason goes here */
  94                 /* 'time' is a human-readable timestring, like 2d3h2s. */
  95
  96                 if (parameters.size() == 1)
  97                 {
  98                         if (ServerInstance->XLines->DelLine(parameters[0].c_str(), "CBAN", user))
  99                         {
 100                                 ServerInstance->SNO->WriteToSnoMask('x',"%s Removed CBan on %s.",user->nick.c_str(),parameters[0].c_str());
 101                         }
 102                         else
 103                         {
 104                                 user->WriteServ("NOTICE %s :*** CBan %s not found in list, try /stats C.",user->nick.c_str(),parameters[0].c_str());
 105                         }
 106
 107                         return CMD_SUCCESS;
 108                 }
 109                 else if (parameters.size() >= 2)
 110                 {
 111                         // Adding - XXX todo make this respect <insane> tag perhaps..
 112                         long duration = ServerInstance->Duration(parameters[1]);
 113                         CBan *r = NULL;
 114                         const char *reason = (parameters.size() > 2) ? parameters[2].c_str() : "No reason supplied";
 115
 116                         try
 117                         {
 118                                 r = new CBan(ServerInstance, ServerInstance->Time(), duration, user->nick.c_str(), reason, parameters[0].c_str());
 119                         }
 120                         catch (...)
 121                         {
 122                                 ; // Do nothing. If we get here, the regex was fucked up, and they already got told it fucked up.
 123                         }
 124
 125                         if (r)
 126                         {
 127                                 if (ServerInstance->XLines->AddLine(r, user))
 128                                 {
 129                                         if (!duration)
 130                                         {
 131                                                 ServerInstance->SNO->WriteToSnoMask('x',"%s added permanent CBan for %s: %s", user->nick.c_str(), parameters[0].c_str(), reason);
 132                                         }
 133                                         else
 134                                         {
 135                                                 time_t c_requires_crap = duration + ServerInstance->Time();
 136                                                 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);
 137                                         }
 138
 139                                         ServerInstance->XLines->ApplyLines();
 140                                 }
 141                                 else
 142                                 {
 143                                         delete r;
 144                                         user->WriteServ("NOTICE %s :*** CBan for %s already exists", user->nick.c_str(), parameters[0].c_str());
 145                                 }
 146                         }
 147                 }
 148
 149                 return CMD_FAILURE;
 150         }
 151 };
 152
 153 class ModuleCBan : public Module
 154 {
 155         CommandCBan* mycommand;
 156         CBanFactory *f;
 157
 158  public:
 159         ModuleCBan(InspIRCd* Me) : Module(Me)
 160         {
 161                 f = new CBanFactory(ServerInstance);
 162                 ServerInstance->XLines->RegisterFactory(f);
 163
 164                 mycommand = new CommandCBan(Me);
 165                 ServerInstance->AddCommand(mycommand);
 166                 Implementation eventlist[] = { I_OnUserPreJoin, I_OnSyncOtherMetaData, I_OnDecodeMetaData, I_OnStats };
 167                 ServerInstance->Modules->Attach(eventlist, this, 4);
 168         }
 169
 170         virtual ~ModuleCBan()
 171         {
 172                 ServerInstance->XLines->DelAll("CBAN");
 173                 ServerInstance->XLines->UnregisterFactory(f);
 174         }
 175
 176         virtual int OnStats(char symbol, User* user, string_list &out)
 177         {
 178                 if (symbol != 'C')
 179                         return 0;
 180
 181                 ServerInstance->XLines->InvokeStats("CBAN", 210, user, out);
 182                 return 1;
 183         }
 184
 185         virtual int OnUserPreJoin(User *user, Channel *chan, const char *cname, std::string &privs, const std::string &keygiven)
 186         {
 187                 XLine *rl = ServerInstance->XLines->MatchesLine("CBAN", cname);
 188
 189                 if (rl)
 190                 {
 191                         // Channel is banned.
 192                         user->WriteServ( "384 %s %s :Cannot join channel, CBANed (%s)", user->nick.c_str(), cname, rl->reason);
 193                         ServerInstance->SNO->WriteToSnoMask('A', "%s tried to join %s which is CBANed (%s)", user->nick.c_str(), cname, rl->reason);
 194                         return 1;
 195                 }
 196
 197                 return 0;
 198         }
 199
 200         virtual Version GetVersion()
 201         {
 202                 return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
 203         }
 204 };
 205
 206 MODULE_INIT(ModuleCBan)
 207