diff options
Diffstat (limited to 'plugins/!Deprecated/Dbx_mmap_SA/src/security.cpp')
| -rw-r--r-- | plugins/!Deprecated/Dbx_mmap_SA/src/security.cpp | 358 |
1 files changed, 0 insertions, 358 deletions
diff --git a/plugins/!Deprecated/Dbx_mmap_SA/src/security.cpp b/plugins/!Deprecated/Dbx_mmap_SA/src/security.cpp deleted file mode 100644 index 6d41787d24..0000000000 --- a/plugins/!Deprecated/Dbx_mmap_SA/src/security.cpp +++ /dev/null @@ -1,358 +0,0 @@ -// (C) Artem Shpynov aka FYR and Igonin Vitaliy aka chaos.persei, 2007 - 2008
-
-#include "commonheaders.h"
-
-int wrongPass = 0;
-void* key;
-
-Cryptor* CryptoEngine = NULL;
-
-LIST<CryptoModule> arCryptors(1);
-
-void zero_fill(BYTE * pBuf, size_t bufSize)
-{
- size_t i;
- for (i = 0; i < bufSize; i++)
- pBuf[i] = 0;
-}
-
-void InitSecurity()
-{
- Cryptor* (__stdcall *GetCryptor)();
-
- TCHAR tszPath[MAX_PATH];
- GetModuleFileName(g_hInst, tszPath, SIZEOF(tszPath));
- TCHAR *p = _tcsrchr(tszPath, '\\')+1; _tcscpy(p, _T("cryptors\\*.dll"));
-
- WIN32_FIND_DATA fd;
- HANDLE hFile = FindFirstFile(tszPath, &fd);
- while (hFile != INVALID_HANDLE_VALUE) {
- mir_sntprintf(p, MAX_PATH - (p-tszPath), _T("cryptors\\%s"), fd.cFileName);
- HMODULE hLib = LoadLibrary(tszPath);
- if (hLib){
- GetCryptor = (Cryptor* (__stdcall *)()) GetProcAddress(hLib, "GetCryptor");
- if (GetCryptor){
- CryptoModule* newItem = (CryptoModule*) malloc(sizeof(CryptoModule));
- newItem->cryptor = GetCryptor();
- _tcsncpy(newItem->dllname, fd.cFileName, MAX_PATH);
- newItem->hLib = hLib;
- arCryptors.insert(newItem);
- }
- else FreeLibrary(hLib);
- }
- if (!FindNextFile(hFile, &fd))
- break;
- }
-}
-
-void UnloadSecurity()
-{
- if (CryptoEngine)
- CryptoEngine->FreeKey(key);
-
- for (int i = 0; i < arCryptors.getCount(); i++) {
- FreeLibrary(arCryptors[i]->hLib);
- free(arCryptors[i]);
- }
- arCryptors.destroy();
-}
-
-void CDbxMmapSA::EncoderInit()
-{
- if (!m_bEncoding) return;
-
- encryptKey[encryptKeyLength] = 0;
- key = CryptoEngine->GenerateKey(encryptKey);
-}
-
-void CDbxMmapSA::EncodeCopyMemory(void * dst, void * src, size_t size )
-{
- memcpy(dst, src, size);
-
- if (m_bEncoding)
- CryptoEngine->EncryptMem((BYTE *)dst, (int)size, key);
-}
-
-void CDbxMmapSA::DecodeCopyMemory(void * dst, void * src, size_t size )
-{
- memcpy(dst, src, size);
-
- if (m_bEncoding)
- CryptoEngine->DecryptMem((BYTE *)dst, (int)size, key);
-}
-
-void CDbxMmapSA::EncodeDBWrite(DWORD ofs, void *src, int size)
-{
- if (m_bEncoding) {
- BYTE *buf = (BYTE*)GlobalAlloc(GPTR, sizeof(BYTE)*size);
- EncodeCopyMemory(buf, src, size);
- DBWrite(ofs, buf, (int)size);
- GlobalFree(buf);
- }
- else DBWrite(ofs, src, (int)size);
-}
-
-void CDbxMmapSA::DecodeDBWrite(DWORD ofs, void *src, int size)
-{
- if (m_bEncoding) {
- BYTE *buf = (BYTE*)GlobalAlloc(GPTR, sizeof(BYTE)*size);
- DecodeCopyMemory(buf, src, size);
- DBWrite(ofs, buf, (int)size);
- GlobalFree(buf);
- }
- else DBWrite(ofs, src, (int)size);
-}
-
-int bCheckingPass = 0;
-
-int CDbxMmapSA::CheckPassword(WORD checkWord, TCHAR *szDBName)
-{
- if (bCheckingPass)
- return 0;
-
- bCheckingPass = 1;
-
- int Found = 0;
- for (int i = 0; i < arCryptors.getCount(); i++) {
- if ( HIWORD(m_dbHeader.version) == arCryptors[i]->cryptor->uid){
- CryptoEngine = arCryptors[i]->cryptor;
- Found = 1;
- break;
- }
- }
- if (!Found){
- MessageBox(0, TranslateT("Sorry, but your database encrypted with unknown module"), TranslateT("Error"), MB_OK | MB_ICONERROR);
- bCheckingPass = 0;
- return 0;
- }
-
- while(1) {
- DlgStdInProcParam param = { this, szDBName };
- int res = DialogBoxParam(g_hInst, MAKEINTRESOURCE(IDD_LOGIN), NULL, DlgStdInProc, (LPARAM)¶m);
- if (res == IDCANCEL) {
- wrongPass = 0;
- bCheckingPass = 0;
- return 0;
- }
- if (encryptKeyLength < 1)
- continue;
-
- EncoderInit();
-
- WORD ver;
- DecodeCopyMemory(&ver, &checkWord, sizeof(checkWord));
- if (ver == 0x5195) {
- wrongPass = 0;
- bCheckingPass = 0;
- return 1;
- }
- wrongPass++;
- }
-
- bCheckingPass = 0;
-}
-
-int SelectEncoder()
-{
- if (arCryptors.getCount() == 0){
- MessageBox(0, TranslateT("Crypto modules not found"), TranslateT("Error"), MB_OK | MB_ICONERROR);
- return 1;
- }
-
- WORD uid = db_get_w(NULL, "SecureMMAP", "CryptoModule", 0);
- if (uid != 0) {
- for (int i = 0; i < arCryptors.getCount(); i++) {
- if (arCryptors[i]->cryptor->uid == uid) {
- CryptoEngine = arCryptors[i]->cryptor;
- return 0;
- }
- }
- }
-
- db_set_w(NULL, "SecureMMAP", "CryptoModule", arCryptors[0]->cryptor->uid);
- CryptoEngine = arCryptors[0]->cryptor;
- return 0;
-}
-
-void CDbxMmapSA::EncodeAll()
-{
- for (HANDLE hContact = db_find_first(); hContact; hContact = db_find_next(hContact)) {
- EncodeContactEvents(hContact);
- EncodeContactSettings(hContact);
- }
-
- EncodeContactEvents(NULL);
- EncodeContactSettings(NULL);
-}
-
-void CDbxMmapSA::DecodeAll()
-{
- for (HANDLE hContact = db_find_first(); hContact; hContact = db_find_next(hContact)) {
- DecodeContactEvents(hContact);
- DecodeContactSettings(hContact);
- }
- DecodeContactEvents(NULL);
- DecodeContactSettings(NULL);
-}
-
-void CDbxMmapSA::WritePlainHeader()
-{
- DWORD bytesWritten;
-
- memcpy(m_dbHeader.signature, &dbSignatureNonSecured, sizeof(m_dbHeader.signature));
- SetFilePointer(m_hDbFile,0,NULL,FILE_BEGIN);
- WriteFile(m_hDbFile,m_dbHeader.signature,sizeof(m_dbHeader.signature),&bytesWritten,NULL);
-
- m_dbHeader.version = MAKELONG(0x0700, 0x0000); //no encryption
- WriteFile(m_hDbFile,&m_dbHeader.version, sizeof(m_dbHeader.version),&bytesWritten,NULL);
-}
-
-void CDbxMmapSA::WriteCryptHeader()
-{
- DWORD bytesWritten;
-
- memcpy(m_dbHeader.signature, &dbSignatureSecured, sizeof(m_dbHeader.signature));
- SetFilePointer(m_hDbFile,0,NULL,FILE_BEGIN);
- WriteFile(m_hDbFile,m_dbHeader.signature,sizeof(m_dbHeader.signature),&bytesWritten,NULL);
-
- WORD checkWord = 0x5195, cryptWord;
- EncodeCopyMemory(&cryptWord, &checkWord, sizeof(checkWord));
- m_dbHeader.version = MAKELONG(cryptWord, CryptoEngine->uid);
- WriteFile(m_hDbFile,&m_dbHeader.version, sizeof(m_dbHeader.version),&bytesWritten,NULL);
-}
-
-void CDbxMmapSA::EncryptDB()
-{
- int action = 0;
- if (bEncProcess)
- return;
-
- if (memcmp(m_dbHeader.signature, &dbSignatureSecured, sizeof(m_dbHeader.signature)) == 0){
- MessageBox(0, TranslateT("DB is already secured!"), TranslateT("Error"), MB_OK | MB_ICONERROR);
- return;
- }
-
- if (SelectEncoder())
- return;
-
- bEncProcess = 1;
-
- action = DialogBoxParam(g_hInst, MAKEINTRESOURCE(IDD_NEWPASS), NULL, DlgStdNewPass, (LPARAM)this);
- if (action != IDOK || !strlen(encryptKey)) {
- bEncProcess = 0;
- db_set_b(NULL, "SecureMMAP", "CryptoModule", 0);
- return;
- }
-
- EnterCriticalSection(&m_csDbAccess);
-
- m_bEncoding = 1;
- EncoderInit();
-
- EncodeAll();
-
- LeaveCriticalSection(&m_csDbAccess);
-
- WriteCryptHeader();
-
- xModifyMenu(hSetPwdMenu, 0, LPGENT("Change Password"), 0);
-
- bEncProcess = 0;
-}
-
-void CDbxMmapSA::DecryptDB()
-{
- char oldKey[255];
- strcpy(oldKey, encryptKey);
-
- if ( !CheckPassword( LOWORD(m_dbHeader.version), TranslateT("current database"))) {
- strcpy(encryptKey, oldKey);
- encryptKeyLength = strlen(oldKey);
- return;
- }
-
- WritePlainHeader();
-
- EnterCriticalSection(&m_csDbAccess);
- DecodeAll();
- LeaveCriticalSection(&m_csDbAccess);
-
- m_bEncoding = 0;
-
- zero_fill((BYTE *)encryptKey, sizeof encryptKey);
-
- xModifyMenu(hSetPwdMenu, 0, LPGENT("Set Password"), 0);
-
- db_set_w(NULL, "SecureMMAP", "CryptoModule", 0);
-
- CryptoEngine->FreeKey(key);
-
- CryptoEngine = NULL;
-}
-
-void CDbxMmapSA::RecryptDB()
-{
- EnterCriticalSection(&m_csDbAccess);
-
- DecodeAll();
-
- CryptoEngine->FreeKey(key);
-
- SelectEncoder();
-
- m_bEncoding = 1;
-
- EncoderInit();
-
- EncodeAll();
-
- WriteCryptHeader();
-
- LeaveCriticalSection(&m_csDbAccess);
-}
-
-void CDbxMmapSA::ChangePwd()
-{
- char newpass[255] = {0};
-
- DlgChangePassParam param = { this, newpass };
- int action = DialogBoxParam(g_hInst, MAKEINTRESOURCE(IDD_CHANGEPASS), NULL, DlgChangePass, (LPARAM)¶m);
-
- if (action == IDCANCEL || (action == IDOK && !strlen(newpass)))
- return;
-
- EnterCriticalSection(&m_csDbAccess);
-
- DecodeAll();
-
- CryptoEngine->FreeKey(key);
-
- if (action == IDREMOVE){
- WritePlainHeader();
-
- m_bEncoding = 0;
- CryptoEngine = NULL;
- db_set_w(NULL, "SecureMMAP", "CryptoModule", 0);
-
- zero_fill((BYTE *)encryptKey, sizeof encryptKey);
-
- xModifyMenu(hSetPwdMenu, 0, LPGENT("Set Password"), 0);
- }
-
- if (action == IDOK){
- strcpy(encryptKey, newpass);
- encryptKeyLength = strlen(newpass);
-
- m_bEncoding = 1;
-
- EncoderInit();
-
- EncodeAll();
-
- WriteCryptHeader();
- }
-
- zero_fill((BYTE *)newpass, sizeof newpass);
-
- LeaveCriticalSection(&m_csDbAccess);
-}
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