src/modules/m_shun.cpp

   1 #include <algorithm>
   2 #include <vector>
   3 #include <string>
   4 #include <sstream>
   5 #include "inspircd.h"
   6 #include "modules.h"
   7 #include "hashcomp.h"
   8 #include "configreader.h"
   9 #include "xline.h"
  10
  11 /* $ModDesc: Provides the /shun command, which stops a user executing all commands except PING and PONG. */
  12
  13 class Shun : public XLine
  14 {
  15 public:
  16         std::string matchtext;
  17
  18         Shun(InspIRCd* Instance, time_t s_time, long d, const char* src, const char* re, const char *shunmask) : XLine(Instance, s_time, d, src, re, "SHUN")
  19         {
  20                 this->matchtext = shunmask;
  21         }
  22
  23         ~Shun()
  24         {
  25         }
  26
  27         bool Matches(User *u)
  28         {
  29                 if (ServerInstance->MatchText(u->GetFullHost(), matchtext) || ServerInstance->MatchText(u->GetFullRealHost(), matchtext))
  30                         return true;
  31
  32                 return false;
  33         }
  34
  35         bool Matches(const std::string &s)
  36         {
  37                 if (matchtext == s)
  38                         return true;
  39                 return false;
  40         }
  41
  42         void Apply(User *u)
  43         {
  44                 // Application is done by the module.
  45         }
  46
  47
  48         void DisplayExpiry()
  49         {
  50                 ServerInstance->SNO->WriteToSnoMask('x',"Expiring timed shun %s (set by %s %ld seconds ago)", this->matchtext.c_str(), this->source, this->duration);
  51         }
  52
  53         const char* Displayable()
  54         {
  55                 return matchtext.c_str();
  56         }
  57 };
  58
  59 /** An XLineFactory specialized to generate shun pointers
  60  */
  61 class ShunFactory : public XLineFactory
  62 {
  63  public:
  64         ShunFactory(InspIRCd* Instance) : XLineFactory(Instance, "SHUN") { }
  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 Shun(ServerInstance, set_time, duration, source, reason, xline_specific_mask);
  71         }
  72
  73         virtual bool AutoApplyToUserList(XLine*)
  74         {
  75                 // No, we don't want to be applied to users automagically.
  76                 return false;
  77         }
  78 };
  79
  80 //typedef std::vector<Shun> shunlist;
  81
  82 class cmd_shun : public Command
  83 {
  84  private:
  85         InspIRCd *Srv;
  86
  87  public:
  88         cmd_shun(InspIRCd* Me) : Command(Me, "SHUN", "o", 1), Srv(Me)
  89         {
  90                 this->source = "m_shun.so";
  91         }
  92
  93         CmdResult Handle(const char* const*parameters, int pcnt, User *user)
  94         {
  95                 /* syntax: SHUN nick!user@host time :reason goes here */
  96                 /* 'time' is a human-readable timestring, like 2d3h2s. */
  97
  98                 if(pcnt == 1)
  99                 {
 100                         if (ServerInstance->XLines->DelLine(parameters[0], "S", user))
 101                         {
 102                                 ServerInstance->SNO->WriteToSnoMask('x',"%s Removed shun on %s.",user->nick,parameters[0]);
 103                         }
 104                         else
 105                         {
 106                                 // XXX todo implement stats
 107                                 user->WriteServ("NOTICE %s :*** Shun %s not found in list, try /stats s.",user->nick,parameters[0]);
 108                         }
 109
 110                         return CMD_SUCCESS;
 111                 }
 112                 else if (pcnt >= 2)
 113                 {
 114                         // Adding - XXX todo make this respect <insane> tag perhaps..
 115                         long duration = ServerInstance->Duration(parameters[1]);
 116                         Shun *r = NULL;
 117
 118                         try
 119                         {
 120                                 r = new Shun(ServerInstance, ServerInstance->Time(), duration, user->nick, parameters[2], parameters[0]);
 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 shun for %s.", user->nick, parameters[0]);
 134                                         }
 135                                         else
 136                                         {
 137                                                 time_t c_requires_crap = duration + ServerInstance->Time();
 138                                                 ServerInstance->SNO->WriteToSnoMask('x', "%s added timed shun for %s, expires on %s", user->nick, parameters[0],
 139                                                 ServerInstance->TimeString(c_requires_crap).c_str());
 140                                         }
 141
 142                                         ServerInstance->XLines->ApplyLines();
 143                                 }
 144                                 else
 145                                 {
 146                                         delete r;
 147                                         user->WriteServ("NOTICE %s :*** Shun for %s already exists", user->nick, parameters[0]);
 148                                 }
 149                         }
 150                 }
 151
 152                 return CMD_FAILURE;
 153         }
 154 };
 155
 156 class ModuleShun : public Module
 157 {
 158         cmd_shun* mycommand;
 159         ShunFactory *f;
 160
 161  public:
 162         ModuleShun(InspIRCd* Me) : Module(Me)
 163         {
 164                 f = new ShunFactory(ServerInstance);
 165                 ServerInstance->XLines->RegisterFactory(f);
 166
 167                 mycommand = new cmd_shun(ServerInstance);
 168                 ServerInstance->AddCommand(mycommand);
 169         }
 170
 171         virtual ~ModuleShun()
 172         {
 173                 ServerInstance->XLines->UnregisterFactory(f);
 174         }
 175
 176         void Implements(char* List)
 177         {
 178                 List[I_OnPreCommand] = List[I_OnStats] = 1;
 179         }
 180
 181         virtual int OnStats(char symbol, User* user, string_list& out)
 182         {
 183                 // XXX write me
 184 //format << Srv->Config->ServerName << " 223 " << user->nick << " :" << iter->banmask << " " << iter->set_on << " " << iter->length << " " <<
 185 //iter->set_by << " " << iter->reason;
 186
 187                 return 0;
 188         }
 189
 190         virtual int OnPreCommand(const std::string &command, const char* const*parameters, int pcnt, User* user, bool validated, const std::string &original_line)
 191         {
 192                 if (user->registered != REG_ALL)
 193                         return 0;
 194
 195                 if((command != "PONG") && (command != "PING"))
 196                 {
 197                         // Don't let them issue cmd if they are shunned..
 198                         XLine *rl = ServerInstance->XLines->MatchesLine("S", user);
 199
 200                         if (rl)
 201                         {
 202                                 return 1;
 203                         }
 204                 }
 205
 206                 return 0;
 207         }
 208
 209         virtual Version GetVersion()
 210         {
 211                 return Version(1,0,0,0,0,API_VERSION);
 212         }
 213 };
 214
 215 MODULE_INIT(ModuleShun)
 216