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Windows: VeraCrypt reference from various registry locations. Uninstall old VeraCrypt COM interfaces that were left after upgrading.

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This commit is contained in:
Mounir IDRASSI
2015-03-13 18:07:25 +01:00
parent ef196b5ca5
commit ed604cf0f3
2 changed files with 123 additions and 2 deletions
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7
src/Setup/ComSetup.cpp
View File

@@ -34,6 +34,9 @@ extern "C" BOOL RegisterComServers (char *modulePath)
UnRegisterTypeLib (LIBID_TrueCryptMainCom, TC_MAIN_COM_VERSION_MAJOR, TC_MAIN_COM_VERSION_MINOR, 0, SYS_WIN32);
UnRegisterTypeLib (LIBID_TrueCryptFormatCom, TC_FORMAT_COM_VERSION_MAJOR, TC_FORMAT_COM_VERSION_MINOR, 0, SYS_WIN32);
// unregister older versions that may still exist
UnRegisterTypeLib (LIBID_TrueCryptMainCom, TC_MAIN_COM_VERSION_MAJOR, TC_MAIN_COM_VERSION_MINOR-2, 0, SYS_WIN32);
UnRegisterTypeLib (LIBID_TrueCryptMainCom, TC_MAIN_COM_VERSION_MAJOR, TC_MAIN_COM_VERSION_MINOR-1, 0, SYS_WIN32);
wchar_t setupModule[MAX_PATH];
GetModuleFileNameW (NULL, setupModule, sizeof (setupModule) / sizeof (setupModule[0]));
@@ -68,6 +71,10 @@ extern "C" BOOL UnregisterComServers (char *modulePath)
if (UnRegisterTypeLib (LIBID_TrueCryptFormatCom, TC_FORMAT_COM_VERSION_MAJOR, TC_FORMAT_COM_VERSION_MINOR, 0, SYS_WIN32) != S_OK)
return FALSE;
// unregister older versions that may still exist
UnRegisterTypeLib (LIBID_TrueCryptMainCom, TC_MAIN_COM_VERSION_MAJOR, TC_MAIN_COM_VERSION_MINOR-2, 0, SYS_WIN32);
UnRegisterTypeLib (LIBID_TrueCryptMainCom, TC_MAIN_COM_VERSION_MAJOR, TC_MAIN_COM_VERSION_MINOR-1, 0, SYS_WIN32);
wchar_t module[1024];
CRegObject ro;
ro.FinalConstruct ();

116
src/Setup/Setup.c
View File

@@ -124,6 +124,104 @@ BOOL StatRemoveDirectory (char *lpszDir)
return TRUE;
}
void SearchAndDeleteRegistrySubString (HKEY hKey, const char *subKey, const char *str, BOOL bEnumSubKeys, const char* enumMatchSubStr)
{
HKEY hSubKey = 0;
LSTATUS status = 0;
DWORD dwIndex = 0, dwType, dwValueNameLen, dwDataLen;
std::list<std::string> subKeysList;
size_t subStringLength = str? strlen(str) : 0;
if (bEnumSubKeys)
{
DWORD dwMaxNameLen = 0;
if (ERROR_SUCCESS == RegQueryInfoKey(hKey, NULL, NULL, NULL, NULL, &dwMaxNameLen, NULL, NULL, NULL, NULL, NULL, NULL))
{
dwMaxNameLen++;
char* szNameValue = new char[dwMaxNameLen];
dwIndex = 0;
while (true)
{
dwValueNameLen = dwMaxNameLen;
status = RegEnumKeyExA (hKey, dwIndex++, szNameValue, &dwValueNameLen, NULL, NULL, NULL, NULL);
if (status == ERROR_SUCCESS)
{
if (enumMatchSubStr && !strstr(szNameValue, enumMatchSubStr))
continue;
std::string entryName = szNameValue;
entryName += "\\";
entryName += subKey;
subKeysList.push_back(entryName);
}
else
break;
}
delete [] szNameValue;
}
}
else
{
subKeysList.push_back(subKey);
}
for (std::list<std::string>::iterator ItSubKey = subKeysList.begin(); ItSubKey != subKeysList.end(); ItSubKey++)
{
// if the string to search for is empty, delete the sub key, otherwise, look for matching value and delete them
if (subStringLength == 0)
{
SHDeleteKeyA (hKey, ItSubKey->c_str());
}
else
{
if (RegOpenKeyExA (hKey, ItSubKey->c_str(), 0, KEY_ALL_ACCESS, &hSubKey) == ERROR_SUCCESS)
{
DWORD dwMaxNameLen = 0, dwMaxDataLen = 0;
if (ERROR_SUCCESS == RegQueryInfoKey(hSubKey, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &dwMaxNameLen, &dwMaxDataLen, NULL, NULL))
{
dwMaxNameLen++;
char* szNameValue = new char[dwMaxNameLen];
LPBYTE pbData = new BYTE[dwMaxDataLen];
std::list<std::string> foundEntries;
dwIndex = 0;
do
{
dwValueNameLen = dwMaxNameLen;
dwDataLen = dwMaxDataLen;
status = RegEnumValueA(hSubKey, dwIndex++, szNameValue, &dwValueNameLen, NULL, &dwType, pbData, &dwDataLen);
if (status == ERROR_SUCCESS)
{
if ( (strlen(szNameValue) >= subStringLength && strstr(szNameValue, str))
|| (dwType == REG_SZ && strlen((char*) pbData) >= subStringLength && strstr((char*) pbData, str))
)
{
foundEntries.push_back(szNameValue);
}
}
} while ((status == ERROR_SUCCESS) || (status == ERROR_MORE_DATA)); // we ignore ERROR_MORE_DATA errors since
// we are sure to use the correct sizes
// delete the entries
if (!foundEntries.empty())
{
for (std::list<std::string>::iterator It = foundEntries.begin();
It != foundEntries.end(); It++)
{
RegDeleteValueA (hSubKey, It->c_str());
}
}
delete [] szNameValue;
delete [] pbData;
}
RegCloseKey (hSubKey);
}
}
}
}
HRESULT CreateLink (char *lpszPathObj, char *lpszArguments,
char *lpszPathLink)
{
@@ -768,10 +866,26 @@ BOOL DoRegUninstall (HWND hwndDlg, BOOL bRemoveDeprecated)
if (!bRemoveDeprecated)
{
HKEY hKey;
GetStartupRegKeyName (regk, sizeof(regk));
DeleteRegistryValue (regk, "VeraCrypt");
RegDeleteKey (HKEY_LOCAL_MACHINE, "Software\\Classes\\.hc");
SHDeleteKey (HKEY_LOCAL_MACHINE, "Software\\Classes\\.hc");
// clean MuiCache list from VeraCrypt entries
SearchAndDeleteRegistrySubString (HKEY_CLASSES_ROOT, "Local Settings\\Software\\Microsoft\\Windows\\Shell\\MuiCache", "VeraCrypt", FALSE, NULL);
// clean other VeraCrypt entries from all users
SearchAndDeleteRegistrySubString (HKEY_USERS, "Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\FileExts\\.hc", NULL, TRUE, NULL);
SearchAndDeleteRegistrySubString (HKEY_USERS, "Software\\Microsoft\\Windows NT\\CurrentVersion\\AppCompatFlags\\Compatibility Assistant\\Persisted", "VeraCrypt", TRUE, NULL);
if (RegOpenKeyEx(HKEY_LOCAL_MACHINE, "SYSTEM", 0, KEY_ALL_ACCESS, &hKey) == ERROR_SUCCESS)
{
SearchAndDeleteRegistrySubString (hKey, "services\\veracrypt", NULL, TRUE, "ControlSet");
RegCloseKey(hKey);
}
SHChangeNotify (SHCNE_ASSOCCHANGED, SHCNF_IDLIST, NULL, NULL);
}