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         std::string nickrequired, forwardmsg, forwardcmd;
  27
  28  public:
  29         void init() CXX11_OVERRIDE
  30         {
  31                 OnRehash(NULL);
  32                 Implementation eventlist[] = { I_OnPostConnect, I_OnRehash };
  33                 ServerInstance->Modules->Attach(eventlist, this, sizeof(eventlist)/sizeof(Implementation));
  34         }
  35
  36         Version GetVersion() CXX11_OVERRIDE
  37         {
  38                 return Version("Sends server password to NickServ", VF_VENDOR);
  39         }
  40
  41         void OnRehash(User* user) CXX11_OVERRIDE
  42         {
  43                 ConfigTag* tag = ServerInstance->Config->ConfValue("passforward");
  44                 nickrequired = tag->getString("nick", "NickServ");
  45                 forwardmsg = tag->getString("forwardmsg", "NOTICE $nick :*** Forwarding PASS to $nickrequired");
  46                 forwardcmd = tag->getString("cmd", "PRIVMSG $nickrequired :IDENTIFY $pass");
  47         }
  48
  49         void FormatStr(std::string& result, const std::string& format, const LocalUser* user)
  50         {
  51                 for (unsigned int i = 0; i < format.length(); i++)
  52                 {
  53                         char c = format[i];
  54                         if (c == '$')
  55                         {
  56                                 if (format.substr(i, 13) == "$nickrequired")
  57                                 {
  58                                         result.append(nickrequired);
  59                                         i += 12;
  60                                 }
  61                                 else if (format.substr(i, 5) == "$nick")
  62                                 {
  63                                         result.append(user->nick);
  64                                         i += 4;
  65                                 }
  66                                 else if (format.substr(i, 5) == "$user")
  67                                 {
  68                                         result.append(user->ident);
  69                                         i += 4;
  70                                 }
  71                                 else if (format.substr(i,5) == "$pass")
  72                                 {
  73                                         result.append(user->password);
  74                                         i += 4;
  75                                 }
  76                                 else
  77                                         result.push_back(c);
  78                         }
  79                         else
  80                                 result.push_back(c);
  81                 }
  82         }
  83
  84         void OnPostConnect(User* ruser) CXX11_OVERRIDE
  85         {
  86                 LocalUser* user = IS_LOCAL(ruser);
  87                 if (!user || user->password.empty())
  88                         return;
  89
  90                 if (!nickrequired.empty())
  91                 {
  92                         /* Check if nick exists and its server is ulined */
  93                         User* u = ServerInstance->FindNick(nickrequired);
  94                         if (!u || !ServerInstance->ULine(u->server))
  95                                 return;
  96                 }
  97
  98                 std::string tmp;
  99                 FormatStr(tmp,forwardmsg, user);
 100                 user->WriteServ(tmp);
 101
 102                 tmp.clear();
 103                 FormatStr(tmp,forwardcmd, user);
 104                 ServerInstance->Parser->ProcessBuffer(tmp,user);
 105         }
 106 };
 107
 108 MODULE_INIT(ModulePassForward)