src/modules/m_chghost.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 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 CHGHOST command */
  17
  18 /** Handle /CHGHOST
  19  */
  20 class cmd_chghost : public command_t
  21 {
  22  private:
  23         char* hostmap;
  24  public:
  25         cmd_chghost (InspIRCd* Instance, char* hmap) : command_t(Instance,"CHGHOST",'o',2), hostmap(hmap)
  26         {
  27                 this->source = "m_chghost.so";
  28                 syntax = "<nick> <newhost>";
  29                 TRANSLATE3(TR_NICK, TR_TEXT, TR_END);
  30         }
  31
  32         CmdResult Handle(const char** parameters, int pcnt, userrec *user)
  33         {
  34                 const char * x = parameters[1];
  35
  36                 for (; *x; x++)
  37                 {
  38                         if (!hostmap[(unsigned char)*x])
  39                         {
  40                                 user->WriteServ("NOTICE "+std::string(user->nick)+" :*** CHGHOST: Invalid characters in hostname");
  41                                 return CMD_FAILURE;
  42                         }
  43                 }
  44                 if (!*parameters[0])
  45                 {
  46                         user->WriteServ("NOTICE %s :*** CHGHOST: Host must be specified", user->nick);
  47                         return CMD_FAILURE;
  48                 }
  49
  50                 if ((parameters[1] - x) > 63)
  51                 {
  52                         user->WriteServ("NOTICE %s :*** CHGHOST: Host too long", user->nick);
  53                         return CMD_FAILURE;
  54                 }
  55                 userrec* dest = ServerInstance->FindNick(parameters[0]);
  56
  57                 if (!dest)
  58                 {
  59                         user->WriteServ("401 %s %s :No such nick/channel", user->nick, parameters[0]);
  60                         return CMD_FAILURE;
  61                 }
  62
  63                 if ((dest->ChangeDisplayedHost(parameters[1])) && (!ServerInstance->ULine(user->server)))
  64                 {
  65                         // fix by brain - ulines set hosts silently
  66                         ServerInstance->WriteOpers(std::string(user->nick)+" used CHGHOST to make the displayed host of "+dest->nick+" become "+dest->dhost);
  67                 }
  68
  69                 /* route it! */
  70                 return CMD_SUCCESS;
  71
  72         }
  73 };
  74
  75
  76 class ModuleChgHost : public Module
  77 {
  78         cmd_chghost* mycommand;
  79         char hostmap[256];
  80  public:
  81         ModuleChgHost(InspIRCd* Me)
  82                 : Module(Me)
  83         {
  84                 OnRehash(NULL,"");
  85                 mycommand = new cmd_chghost(ServerInstance, hostmap);
  86                 ServerInstance->AddCommand(mycommand);
  87         }
  88
  89         void Implements(char* List)
  90         {
  91                 List[I_OnRehash] = 1;
  92         }
  93
  94         void OnRehash(userrec* user, const std::string &parameter)
  95         {
  96                 ConfigReader Conf(ServerInstance);
  97                 std::string hmap = Conf.ReadValue("hostname", "charmap", 0);
  98
  99                 if (hmap.empty())
 100                         hmap = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz.-_/0123456789";
 101
 102                 memset(&hostmap, 0, 255);
 103                 for (std::string::iterator n = hmap.begin(); n != hmap.end(); n++)
 104                         hostmap[(unsigned char)*n] = 1;
 105         }
 106
 107         ~ModuleChgHost()
 108         {
 109         }
 110
 111         Version GetVersion()
 112         {
 113                 return Version(1, 1, 0, 0, VF_COMMON | VF_VENDOR, API_VERSION);
 114         }
 115
 116 };
 117
 118 MODULE_INIT(ModuleChgHost)