src/realmd/PatchHandler.h

   1 /*
   2  * Copyright (C) 2005-2013 MaNGOS <http://getmangos.com/>
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19 /** \file
  20   \ingroup realmd
  21   */
  22
  23 #ifndef _PATCHHANDLER_H_
  24 #define _PATCHHANDLER_H_
  25
  26 #include <ace/Basic_Types.h>
  27 #include <ace/Synch_Traits.h>
  28 #include <ace/Svc_Handler.h>
  29 #include <ace/SOCK_Stream.h>
  30 #include <ace/Message_Block.h>
  31 #include <ace/Auto_Ptr.h>
  32 #include <map>
  33
  34 #include <openssl/bn.h>
  35 #include <openssl/md5.h>
  36
  37 /**
  38  * @brief Caches MD5 hash of client patches present on the server
  39  */
  40 class PatchCache
  41 {
  42     public:
  43         ~PatchCache();
  44         PatchCache();
  45
  46         static PatchCache* instance();
  47
  48         struct PATCH_INFO
  49         {
  50             ACE_UINT8 md5[MD5_DIGEST_LENGTH];
  51         };
  52
  53         typedef std::map<std::string, PATCH_INFO*> Patches;
  54
  55         Patches::const_iterator begin() const
  56         {
  57             return patches_.begin();
  58         }
  59
  60         Patches::const_iterator end() const
  61         {
  62             return patches_.end();
  63         }
  64
  65         void LoadPatchMD5(const char*);
  66         bool GetHash(const char* pat, ACE_UINT8 mymd5[MD5_DIGEST_LENGTH]);
  67
  68     private:
  69         void LoadPatchesInfo();
  70         Patches patches_;
  71
  72 };
  73
  74 class PatchHandler: public ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH>
  75 {
  76     protected:
  77         typedef ACE_Svc_Handler<ACE_SOCK_STREAM, ACE_NULL_SYNCH> Base;
  78
  79     public:
  80         PatchHandler(ACE_HANDLE socket, ACE_HANDLE patch);
  81         virtual ~PatchHandler();
  82
  83         int open(void* = 0) override;
  84
  85     protected:
  86         virtual int svc(void) override;
  87
  88     private:
  89         ACE_HANDLE patch_fd_;
  90
  91 };
  92
  93 #endif /* _BK_PATCHHANDLER_H__ */
  94