src/modules/m_passforward.cpp

   1 /*
   2  * InspIRCd -- Internet Relay Chat Daemon
   3  *
   4  *   Copyright (C) 2010 Daniel De Graaf <danieldg@inspircd.org>
   5  *
   6  * This file is part of InspIRCd.  InspIRCd is free software: you can
   7  * redistribute it and/or modify it under the terms of the GNU General Public
   8  * License as published by the Free Software Foundation, version 2.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  12  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
  13  * details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 /* $ModDesc: Forwards a password users can send on connect (for example for NickServ identification). */
  21
  22 #include "inspircd.h"
  23
  24 class ModulePassForward : public Module
  25 {
  26  private:
  27         std::string nickrequired, forwardmsg, forwardcmd;
  28
  29  public:
  30         void init()
  31         {
  32                 OnRehash(NULL);
  33                 Implementation eventlist[] = { I_OnPostConnect, I_OnRehash };
  34                 ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
  35         }
  36
  37         Version GetVersion()
  38         {
  39                 return Version("Sends server password to NickServ", VF_VENDOR);
  40         }
  41
  42         void OnRehash(User* user)
  43         {
  44                 ConfigTag* tag = ServerInstance->Config->ConfValue("passforward");
  45                 nickrequired = tag->getString("nick", "NickServ");
  46                 forwardmsg = tag->getString("forwardmsg", "NOTICE $nick :*** Forwarding PASS to $nickrequired");
  47                 forwardcmd = tag->getString("cmd", "PRIVMSG $nickrequired :IDENTIFY $pass");
  48         }
  49
  50         void FormatStr(std::string& result, const std::string& format, const LocalUser* user)
  51         {
  52                 for (unsigned int i = 0; i < format.length(); i++)
  53                 {
  54                         char c = format[i];
  55                         if (c == '$')
  56                         {
  57                                 if (format.substr(i, 13) == "$nickrequired")
  58                                 {
  59                                         result.append(nickrequired);
  60                                         i += 12;
  61                                 }
  62                                 else if (format.substr(i, 5) == "$nick")
  63                                 {
  64                                         result.append(user->nick);
  65                                         i += 4;
  66                                 }
  67                                 else if (format.substr(i, 5) == "$user")
  68                                 {
  69                                         result.append(user->ident);
  70                                         i += 4;
  71                                 }
  72                                 else if (format.substr(i,5) == "$pass")
  73                                 {
  74                                         result.append(user->password);
  75                                         i += 4;
  76                                 }
  77                                 else
  78                                         result.push_back(c);
  79                         }
  80                         else
  81                                 result.push_back(c);
  82                 }
  83         }
  84
  85         virtual void OnPostConnect(User* ruser)
  86         {
  87                 LocalUser* user = IS_LOCAL(ruser);
  88                 if (!user || user->password.empty())
  89                         return;
  90
  91                 if (!nickrequired.empty())
  92                 {
  93                         /* Check if nick exists and its server is ulined */
  94                         User* u = ServerInstance->FindNick(nickrequired);
  95                         if (!u || !ServerInstance->ULine(u->server))
  96                                 return;
  97                 }
  98
  99                 std::string tmp;
 100                 FormatStr(tmp,forwardmsg, user);
 101                 user->WriteServ(tmp);
 102
 103                 tmp.clear();
 104                 FormatStr(tmp,forwardcmd, user);
 105                 ServerInstance->Parser->ProcessBuffer(tmp,user);
 106         }
 107 };
 108
 109 MODULE_INIT(ModulePassForward)