src/modules/m_securelist.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 #include "users.h"
  16 #include "channels.h"
  17 #include "modules.h"
  18
  19 /* $ModDesc: A module overriding /list, and making it safe - stop those sendq problems. */
  20
  21 class ModuleSecureList : public Module
  22 {
  23  private:
  24         std::vector<std::string> allowlist;
  25         time_t WaitTime;
  26  public:
  27         ModuleSecureList(InspIRCd* Me) : Module(Me)
  28         {
  29                 OnRehash(NULL,"");
  30         }
  31
  32         virtual ~ModuleSecureList()
  33         {
  34         }
  35
  36         virtual Version GetVersion()
  37         {
  38                 return Version(1,1,0,0,VF_VENDOR,API_VERSION);
  39         }
  40
  41         void OnRehash(userrec* user, const std::string &parameter)
  42         {
  43                 ConfigReader* MyConf = new ConfigReader(ServerInstance);
  44                 allowlist.clear();
  45                 for (int i = 0; i < MyConf->Enumerate("securehost"); i++)
  46                         allowlist.push_back(MyConf->ReadValue("securehost", "exception", i));
  47                 WaitTime = MyConf->ReadInteger("securelist", "waittime", "60", 0, true);
  48                 DELETE(MyConf);
  49         }
  50
  51         void Implements(char* List)
  52         {
  53                 List[I_OnRehash] = List[I_OnPreCommand] = List[I_On005Numeric] = 1;
  54         }
  55
  56         /*
  57          * OnPreCommand()
  58          *   Intercept the LIST command.
  59          */
  60         virtual int OnPreCommand(const std::string &command, const char** parameters, int pcnt, userrec *user, bool validated, const std::string &original_line)
  61         {
  62                 /* If the command doesnt appear to be valid, we dont want to mess with it. */
  63                 if (!validated)
  64                         return 0;
  65
  66                 if ((command == "LIST") && (ServerInstance->Time() < (user->signon+WaitTime)) && (!IS_OPER(user)))
  67                 {
  68                         /* Normally wouldnt be allowed here, are they exempt? */
  69                         for (std::vector<std::string>::iterator x = allowlist.begin(); x != allowlist.end(); x++)
  70                                 if (ServerInstance->MatchText(user->MakeHost(), *x))
  71                                         return 0;
  72
  73                         /* Not exempt, BOOK EM DANNO! */
  74                         user->WriteServ("NOTICE %s :*** You cannot list within the first %d seconds of connecting. Please try again later.",user->nick, WaitTime);
  75                         /* Some crap clients (read: mIRC, various java chat applets) muck up if they don't
  76                          * receive these numerics whenever they send LIST, so give them an empty LIST to mull over.
  77                          */
  78                         user->WriteServ("321 %s Channel :Users Name",user->nick);
  79                         user->WriteServ("323 %s :End of channel list.",user->nick);
  80                         return 1;
  81                 }
  82                 return 0;
  83         }
  84
  85         virtual void On005Numeric(std::string &output)
  86         {
  87                 output.append(" SECURELIST");
  88         }
  89
  90         virtual Priority Prioritize()
  91         {
  92                 return (Priority)ServerInstance->PriorityBefore("m_safelist.so");
  93         }
  94
  95 };
  96
  97 MODULE_INIT(ModuleSecureList)