src/modules/m_sethost.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/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
  16 /* $ModDesc: Provides support for the SETHOST command */
  17
  18 /** Handle /SETHOST
  19  */
  20 class CommandSethost : public Command
  21 {
  22  private:
  23         char* hostmap;
  24  public:
  25         CommandSethost (InspIRCd* Instance, char* hmap) : Command(Instance,"SETHOST","o",1), hostmap(hmap)
  26         {
  27                 this->source = "m_sethost.so";
  28                 syntax = "<new-hostname>";
  29                 TRANSLATE2(TR_TEXT, TR_END);
  30         }
  31
  32         CmdResult Handle (const std::vector<std::string>& parameters, User *user)
  33         {
  34                 size_t len = 0;
  35                 for (std::string::const_iterator x = parameters[0].begin(); x != parameters[0].end(); x++, len++)
  36                 {
  37                         if (!hostmap[(const unsigned char)*x])
  38                         {
  39                                 user->WriteServ("NOTICE "+std::string(user->nick)+" :*** SETHOST: Invalid characters in hostname");
  40                                 return CMD_FAILURE;
  41                         }
  42                 }
  43                 if (len == 0)
  44                 {
  45                         user->WriteServ("NOTICE %s :*** SETHOST: Host must be specified", user->nick.c_str());
  46                         return CMD_FAILURE;
  47                 }
  48                 if (len > 64)
  49                 {
  50                         user->WriteServ("NOTICE %s :*** SETHOST: Host too long",user->nick.c_str());
  51                         return CMD_FAILURE;
  52                 }
  53
  54                 if (user->ChangeDisplayedHost(parameters[0].c_str()))
  55                 {
  56                         ServerInstance->SNO->WriteToSnoMask('A', std::string(user->nick)+" used SETHOST to change their displayed host to "+user->dhost);
  57                         return CMD_LOCALONLY;
  58                 }
  59
  60                 return CMD_FAILURE;
  61         }
  62 };
  63
  64
  65 class ModuleSetHost : public Module
  66 {
  67         CommandSethost* mycommand;
  68         char hostmap[256];
  69  public:
  70         ModuleSetHost(InspIRCd* Me)
  71                 : Module(Me)
  72         {
  73                 OnRehash(NULL,"");
  74                 mycommand = new CommandSethost(ServerInstance, hostmap);
  75                 ServerInstance->AddCommand(mycommand);
  76                 Implementation eventlist[] = { I_OnRehash };
  77                 ServerInstance->Modules->Attach(eventlist, this, 1);
  78         }
  79
  80
  81         void OnRehash(User* user, const std::string &parameter)
  82         {
  83                 ConfigReader Conf(ServerInstance);
  84                 std::string hmap = Conf.ReadValue("hostname", "charmap", 0);
  85
  86                 if (hmap.empty())
  87                         hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789";
  88
  89                 memset(hostmap, 0, sizeof(hostmap));
  90                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
  91                         hostmap[(unsigned char)*n] = 1;
  92         }
  93
  94         virtual ~ModuleSetHost()
  95         {
  96         }
  97
  98         virtual Version GetVersion()
  99         {
 100                 return Version("$Id$", VF_COMMON | VF_VENDOR, API_VERSION);
 101         }
 102
 103 };
 104
 105 MODULE_INIT(ModuleSetHost)