src/modules/m_password_hash.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 /* $ModDesc: Allows for hashed oper passwords */
  15
  16 #include "inspircd.h"
  17 #include "m_hash.h"
  18
  19 /* Handle /MKPASSWD
  20  */
  21 class CommandMkpasswd : public Command
  22 {
  23  public:
  24         CommandMkpasswd(Module* Creator) : Command(Creator, "MKPASSWD", 2)
  25         {
  26                 syntax = "<hashtype> <any-text>";
  27                 Penalty = 5;
  28         }
  29
  30         void MakeHash(User* user, const std::string& algo, const std::string& stuff)
  31         {
  32                 HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + algo);
  33                 if (hp)
  34                 {
  35                         /* Now attempt to generate a hash */
  36                         user->WriteServ("NOTICE %s :%s hashed password for %s is %s",
  37                                 user->nick.c_str(), algo.c_str(), stuff.c_str(), hp->hexsum(stuff).c_str());
  38                 }
  39                 else
  40                 {
  41                         /* I dont do flying, bob. */
  42                         user->WriteServ("NOTICE %s :Unknown hash type", user->nick.c_str());
  43                 }
  44         }
  45
  46         CmdResult Handle (const std::vector<std::string>& parameters, User *user)
  47         {
  48                 MakeHash(user, parameters[0], parameters[1]);
  49
  50                 return CMD_SUCCESS;
  51         }
  52 };
  53
  54 class ModuleOperHash : public Module
  55 {
  56         CommandMkpasswd cmd;
  57  public:
  58
  59         ModuleOperHash() : cmd(this)
  60         {
  61                 /* Read the config file first */
  62                 OnRehash(NULL);
  63
  64                 ServerInstance->AddCommand(&cmd);
  65                 Implementation eventlist[] = { I_OnPassCompare };
  66                 ServerInstance->Modules->Attach(eventlist, this, 1);
  67         }
  68
  69         virtual ModResult OnPassCompare(Extensible* ex, const std::string &data, const std::string &input, const std::string &hashtype)
  70         {
  71                 HashProvider* hp = ServerInstance->Modules->FindDataService<HashProvider>("hash/" + hashtype);
  72
  73                 /* Is this a valid hash name? */
  74                 if (hp)
  75                 {
  76                         /* Compare the hash in the config to the generated hash */
  77                         if (data == hp->hexsum(input))
  78                                 return MOD_RES_ALLOW;
  79                         else
  80                                 /* No match, and must be hashed, forbid */
  81                                 return MOD_RES_DENY;
  82                 }
  83
  84                 /* Not a hash, fall through to strcmp in core */
  85                 return MOD_RES_PASSTHRU;
  86         }
  87
  88         virtual Version GetVersion()
  89         {
  90                 return Version("Allows for hashed oper passwords",VF_VENDOR);
  91         }
  92 };
  93
  94 MODULE_INIT(ModuleOperHash)