VeraCrypt
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authorMounir IDRASSI <mounir.idrassi@idrix.fr>2015-03-13 17:07:25 (GMT)
committerMounir IDRASSI <mounir.idrassi@idrix.fr>2015-03-13 17:09:21 (GMT)
commited604cf0f3f7fd93b4e6ee50bd344abc3f3b44ca (patch)
tree304a8be973596cd6410323f06de20f3829a6ff57 /src/Setup/Setup.c
parentef196b5ca542bf5ca1e96be2b21c46820834d814 (diff)
downloadVeraCrypt-ed604cf0f3f7fd93b4e6ee50bd344abc3f3b44ca.zip
VeraCrypt-ed604cf0f3f7fd93b4e6ee50bd344abc3f3b44ca.tar.gz
Windows: VeraCrypt reference from various registry locations. Uninstall old VeraCrypt COM interfaces that were left after upgrading.
Diffstat (limited to 'src/Setup/Setup.c')
-rw-r--r--src/Setup/Setup.c118
1 files changed, 116 insertions, 2 deletions
diff --git a/src/Setup/Setup.c b/src/Setup/Setup.c
index 650ad20..632d412 100644
--- a/src/Setup/Setup.c
+++ b/src/Setup/Setup.c
@@ -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)
{
@@ -764,14 +862,30 @@ BOOL DoRegUninstall (HWND hwndDlg, BOOL bRemoveDeprecated)
RegDeleteKey (HKEY_LOCAL_MACHINE, "Software\\Classes\\VeraCryptVolume\\Shell");
RegDeleteKey (HKEY_LOCAL_MACHINE, "Software\\Classes\\VeraCryptVolume\\DefaultIcon");
RegDeleteKey (HKEY_LOCAL_MACHINE, "Software\\Classes\\VeraCryptVolume");
- RegDeleteKey (HKEY_CURRENT_USER, "Software\\VeraCrypt");
+ RegDeleteKey (HKEY_CURRENT_USER, "Software\\VeraCrypt");
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);
}