diff options
Diffstat (limited to 'plugins/!Deprecated/Dbx_tree/src/EncryptionManager.cpp')
| -rw-r--r-- | plugins/!Deprecated/Dbx_tree/src/EncryptionManager.cpp | 240 |
1 files changed, 0 insertions, 240 deletions
diff --git a/plugins/!Deprecated/Dbx_tree/src/EncryptionManager.cpp b/plugins/!Deprecated/Dbx_tree/src/EncryptionManager.cpp deleted file mode 100644 index ceaff9a015..0000000000 --- a/plugins/!Deprecated/Dbx_tree/src/EncryptionManager.cpp +++ /dev/null @@ -1,240 +0,0 @@ -/*
-
-dbx_tree: tree database driver for Miranda IM
-
-Copyright 2007-2010 Michael "Protogenes" Kunz,
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
-*/
-
-#include "Interface.h"
-#include "EncryptionManager.h"
-#include <tchar.h>
-
-uint32_t CEncryptionManager::CipherListRefCount = 0;
-CEncryptionManager::TCipherList* CEncryptionManager::CipherList = NULL;
-
-static const uint32_t cFileBlockMask = 0xfffff000;
-
-void CEncryptionManager::LoadCipherList()
-{
- if (CipherList)
- return;
-
- CipherList = new TCipherList;
- CipherListRefCount++;
-
- WIN32_FIND_DATA search;
- TCHAR path[MAX_PATH * 8];
- GetModuleFileName(NULL, path, sizeof(path));
- TCHAR * file = _tcsrchr(path, '\\');
- if (!file)
- file = path;
-
- _tcscpy_s(file, sizeof(path) / sizeof(path[0]) - (file - path), _T("\\plugins\\encryption\\*.dll"));
- file += 20;
-
- HANDLE hfinder = FindFirstFile(path, &search);
- if (hfinder != INVALID_HANDLE_VALUE)
- {
- TCipherItem item;
- TCipherInfo* (__cdecl *CipherInfoProc)(void *);
- do {
- _tcscpy_s(file, sizeof(path) / sizeof(path[0]) - (file - path), search.cFileName);
- HMODULE hmod = LoadLibrary(path);
- if (hmod)
- {
- CipherInfoProc = (TCipherInfo*(__cdecl*)(void*)) GetProcAddress(hmod, "CipherInfo");
- if (CipherInfoProc)
- {
- TCipherInfo* info = CipherInfoProc(NULL);
- if (info && (info->cbSize == sizeof(TCipherInfo)) && (CipherList->find(info->ID) == CipherList->end()))
- {
- item.ID = info->ID;
- item.Name = _wcsdup(info->Name);
- item.Description = _wcsdup(info->Description);
- item.FilePath = _tcsdup(path);
- item.FileName = item.FilePath + (file - path);
-
- CipherList->insert(std::make_pair(item.ID, item));
- }
- }
-
- FreeLibrary(hmod);
-
- }
- } while (FindNextFile(hfinder, &search));
-
- FindClose(hfinder);
- }
-}
-
-CEncryptionManager::CEncryptionManager()
-{
- m_Ciphers[CURRENT].Cipher = NULL;
- m_Ciphers[OLD].Cipher = NULL;
- m_Changing = false;
- m_ChangingProcess = 0;
-
- LoadCipherList();
-}
-CEncryptionManager::~CEncryptionManager()
-{
- delete m_Ciphers[CURRENT].Cipher;
- m_Ciphers[CURRENT].Cipher = NULL;
- delete m_Ciphers[OLD].Cipher;
- m_Ciphers[OLD].Cipher = NULL;
-
- CipherListRefCount--;
- if (!CipherListRefCount)
- {
- TCipherList::iterator i = CipherList->begin();
- while (i != CipherList->end())
- {
- free(i->second.Description);
- free(i->second.Name);
- free(i->second.FilePath);
- // do not free Filename... it's a substring of FilePath
- ++i;
- }
-
- delete CipherList;
- CipherList = NULL;
- }
-}
-
-bool CEncryptionManager::InitEncryption(TFileEncryption & Enc)
-{
- if (Enc.ConversionProcess)
- {
- m_Changing = true;
- m_ChangingProcess = Enc.ConversionProcess;
- }
-
- for (int c = (int)CURRENT; c < (int)COUNT; c++)
- {
- TCipherList::iterator i = CipherList->find(Enc.CipherID);
- if (i != CipherList->end())
- {
- m_Ciphers[c].CipherDLL = LoadLibrary(i->second.FilePath);
- if (m_Ciphers[c].CipherDLL)
- {
- TCipherInfo* (__cdecl *cipherinfoproc)(void *);
- cipherinfoproc = (TCipherInfo*(__cdecl*)(void*)) GetProcAddress(m_Ciphers[c].CipherDLL, "CipherInfo");
- if (cipherinfoproc)
- {
- TCipherInfo* info = cipherinfoproc(NULL);
- if (info && (info->cbSize == sizeof(TCipherInfo)))
- m_Ciphers[c].Cipher = new CCipher(info->Create());
-
- }
-
- if (!m_Ciphers[c].Cipher)
- {
- FreeLibrary(m_Ciphers[c].CipherDLL);
- m_Ciphers[c].CipherDLL = NULL;
- }
- }
- }
- }
-
- return true;
-}
-
-bool CEncryptionManager::AlignData(uint32_t ID, uint32_t & Start, uint32_t & End)
-{
- if (m_Ciphers[CURRENT].Cipher && (!m_Changing || (ID < m_ChangingProcess)))
- {
- if (m_Ciphers[CURRENT].Cipher->IsStreamCipher())
- {
- Start = 0;
- End = End - End % m_Ciphers[CURRENT].Cipher->BlockSizeBytes() + m_Ciphers[CURRENT].Cipher->BlockSizeBytes();
- } else {
- Start = Start - Start % m_Ciphers[CURRENT].Cipher->BlockSizeBytes();
- if (End % m_Ciphers[CURRENT].Cipher->BlockSizeBytes())
- End = End - End % m_Ciphers[CURRENT].Cipher->BlockSizeBytes() + m_Ciphers[CURRENT].Cipher->BlockSizeBytes();
- }
-
- return true;
- } else if (m_Ciphers[OLD].Cipher && m_Changing && (ID >= m_ChangingProcess))
- {
- if (m_Ciphers[OLD].Cipher->IsStreamCipher())
- {
- Start = 0;
- End = End - End % m_Ciphers[OLD].Cipher->BlockSizeBytes() + m_Ciphers[OLD].Cipher->BlockSizeBytes();
- } else {
- Start = Start - Start % m_Ciphers[OLD].Cipher->BlockSizeBytes();
- if (End % m_Ciphers[OLD].Cipher->BlockSizeBytes())
- End = End - End % m_Ciphers[OLD].Cipher->BlockSizeBytes() + m_Ciphers[OLD].Cipher->BlockSizeBytes();
- }
-
- return true;
- }
-
- return false;
-}
-uint32_t CEncryptionManager::AlignSize(uint32_t ID, uint32_t Size)
-{
- if (m_Ciphers[CURRENT].Cipher && (!m_Changing || (ID < m_ChangingProcess)))
- {
- if (Size % m_Ciphers[CURRENT].Cipher->BlockSizeBytes())
- return Size - Size % m_Ciphers[CURRENT].Cipher->BlockSizeBytes() + m_Ciphers[CURRENT].Cipher->BlockSizeBytes();
-
- } else if (m_Ciphers[OLD].Cipher && m_Changing && (ID >= m_ChangingProcess))
- {
- if (Size % m_Ciphers[OLD].Cipher->BlockSizeBytes())
- return Size - Size % m_Ciphers[OLD].Cipher->BlockSizeBytes() + m_Ciphers[OLD].Cipher->BlockSizeBytes();
-
- }
-
- return Size;
-}
-
-bool CEncryptionManager::IsEncrypted(uint32_t ID)
-{
- return (m_Ciphers[CURRENT].Cipher && (!m_Changing || (ID < m_ChangingProcess))) ||
- (m_Ciphers[OLD].Cipher && m_Changing && (ID >= m_ChangingProcess));
-}
-
-void CEncryptionManager::Encrypt(void* Data, uint32_t DataLength, uint32_t ID, uint32_t StartByte)
-{
- if (m_Ciphers[CURRENT].Cipher && (!m_Changing || (ID < m_ChangingProcess)))
- {
- m_Ciphers[CURRENT].Cipher->Encrypt(Data, DataLength, ID, StartByte);
- } else if (m_Ciphers[OLD].Cipher && m_Changing && (ID >= m_ChangingProcess))
- {
- m_Ciphers[OLD].Cipher->Encrypt(Data, DataLength, ID, StartByte);
- }
-}
-void CEncryptionManager::Decrypt(void* Data, uint32_t DataLength, uint32_t ID, uint32_t StartByte)
-{
- if (m_Ciphers[CURRENT].Cipher && (!m_Changing || (ID < m_ChangingProcess)))
- {
- m_Ciphers[CURRENT].Cipher->Decrypt(Data, DataLength, ID, StartByte);
- } else if (m_Ciphers[OLD].Cipher && m_Changing && (ID >= m_ChangingProcess))
- {
- m_Ciphers[OLD].Cipher->Decrypt(Data, DataLength, ID, StartByte);
- }
-}
-
-bool CEncryptionManager::CanChangeCipher()
-{
- return false;
-}
-bool CEncryptionManager::ChangeCipher(TEncryption & Encryption)
-{
- return false;
-}
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