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://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
  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(Module* Creator, char* hmap) : Command(Creator,"SETHOST", 1), hostmap(hmap)
  26         {
  27                 flags_needed = 'o'; syntax = "<new-hostname>";
  28                 TRANSLATE2(TR_TEXT, TR_END);
  29         }
  30
  31         CmdResult Handle (const std::vector<std::string>& parameters, User *user)
  32         {
  33                 size_t len = 0;
  34                 for (std::string::const_iterator x = parameters[0].begin(); x != parameters[0].end(); x++, len++)
  35                 {
  36                         if (!hostmap[(const unsigned char)*x])
  37                         {
  38                                 user->WriteServ("NOTICE "+std::string(user->nick)+" :*** SETHOST: Invalid characters in hostname");
  39                                 return CMD_FAILURE;
  40                         }
  41                 }
  42                 if (len == 0)
  43                 {
  44                         user->WriteServ("NOTICE %s :*** SETHOST: Host must be specified", user->nick.c_str());
  45                         return CMD_FAILURE;
  46                 }
  47                 if (len > 64)
  48                 {
  49                         user->WriteServ("NOTICE %s :*** SETHOST: Host too long",user->nick.c_str());
  50                         return CMD_FAILURE;
  51                 }
  52
  53                 if (user->ChangeDisplayedHost(parameters[0].c_str()))
  54                 {
  55                         ServerInstance->SNO->WriteGlobalSno('a', std::string(user->nick)+" used SETHOST to change their displayed host to "+user->dhost);
  56                         return CMD_SUCCESS;
  57                 }
  58
  59                 return CMD_FAILURE;
  60         }
  61 };
  62
  63
  64 class ModuleSetHost : public Module
  65 {
  66         CommandSethost cmd;
  67         char hostmap[256];
  68  public:
  69         ModuleSetHost(InspIRCd* Me)
  70                 : Module(Me), cmd(this, hostmap)
  71         {
  72                 OnRehash(NULL);
  73                 ServerInstance->AddCommand(&cmd);
  74                 Implementation eventlist[] = { I_OnRehash };
  75                 ServerInstance->Modules->Attach(eventlist, this, 1);
  76         }
  77
  78
  79         void OnRehash(User* user)
  80         {
  81                 ConfigReader Conf(ServerInstance);
  82                 std::string hmap = Conf.ReadValue("hostname", "charmap", 0);
  83
  84                 if (hmap.empty())
  85                         hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789";
  86
  87                 memset(hostmap, 0, sizeof(hostmap));
  88                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
  89                         hostmap[(unsigned char)*n] = 1;
  90         }
  91
  92         virtual ~ModuleSetHost()
  93         {
  94         }
  95
  96         virtual Version GetVersion()
  97         {
  98                 return Version("Provides support for the SETHOST command", VF_VENDOR, API_VERSION);
  99         }
 100
 101 };
 102
 103 MODULE_INIT(ModuleSetHost)