private IEnumerable <JunkNode> ScanAppCompatFlags()
{
if (string.IsNullOrEmpty(Uninstaller.InstallLocation))
{
yield break;
}
foreach (var fullCompatKey in AppCompatFlags.SelectMany(compatKey => new[]
{
compatKey + @"\Layers",
compatKey + @"\Compatibility Assistant\Store"
}))
{
using (var key = RegistryTools.OpenRegistryKey(fullCompatKey))
{
if (key == null)
{
continue;
}
foreach (var valueName in key.GetValueNames())
{
// Check for matches
if (valueName.StartsWith(Uninstaller.InstallLocation,
StringComparison.InvariantCultureIgnoreCase))
{
var junk = new RegistryValueJunkNode(key.Name, valueName, Uninstaller.DisplayName);
junk.Confidence.Add(ConfidencePart.ExplicitConnection);
yield return(junk);
}
}
}
}
}
private IEnumerable <JunkNode> ScanFirewallRules()
{
const string firewallRulesKey =
@"SYSTEM\CurrentControlSet\Services\SharedAccess\Parameters\FirewallPolicy\FirewallRules";
const string fullFirewallRulesKey = @"HKEY_LOCAL_MACHINE\" + firewallRulesKey;
var results = new List <JunkNode>();
if (string.IsNullOrEmpty(Uninstaller.InstallLocation))
{
return(results);
}
using (var key = Registry.LocalMachine.OpenSubKey(firewallRulesKey))
{
if (key != null)
{
foreach (var valueName in GetValueNamesSafe(key))
{
var value = key.GetValue(valueName) as string;
if (string.IsNullOrEmpty(value))
{
continue;
}
var start = value.IndexOf("|App=", StringComparison.InvariantCultureIgnoreCase) + 5;
var charCount = value.IndexOf('|', start) - start;
var fullPath = Environment.ExpandEnvironmentVariables(value.Substring(start, charCount));
if (fullPath.StartsWith(Uninstaller.InstallLocation, StringComparison.InvariantCultureIgnoreCase))
{
var node = new RegistryValueJunkNode(fullFirewallRulesKey, valueName,
Uninstaller.DisplayName);
node.Confidence.Add(ConfidencePart.ExplicitConnection);
results.Add(node);
}
}
}
}
return(results);
}
private IEnumerable <JunkNode> ScanUserAssist()
{
if (string.IsNullOrEmpty(Uninstaller.InstallLocation))
{
yield break;
}
foreach (var userAssistGuid in UserAssistGuids)
{
using (var key = RegistryTools.OpenRegistryKey(
$@"{KeyCu}\Microsoft\Windows\CurrentVersion\Explorer\UserAssist\{userAssistGuid}\Count"))
{
if (key == null)
{
continue;
}
foreach (var valueName in key.GetValueNames())
{
// Convert the value name to a usable form
var convertedName = Rot13(valueName);
var guidEnd = convertedName.IndexOf('}') + 1;
Guid g;
if (guidEnd > 0 && GuidTools.GuidTryParse(convertedName.Substring(0, guidEnd), out g))
{
convertedName = NativeMethods.GetKnownFolderPath(g) + convertedName.Substring(guidEnd);
}
// Check for matches
if (convertedName.StartsWith(Uninstaller.InstallLocation,
StringComparison.InvariantCultureIgnoreCase))
{
var junk = new RegistryValueJunkNode(key.Name, valueName, Uninstaller.DisplayName);
junk.Confidence.Add(ConfidencePart.ExplicitConnection);
yield return(junk);
}
}
}
}
}
private IEnumerable <JunkNode> ScanInstallerFolders()
{
var installLocation = Uninstaller.InstallLocation;
if (string.IsNullOrEmpty(installLocation))
{
yield break;
}
using (var key = Registry.LocalMachine.OpenSubKey(
@"SOFTWARE\Microsoft\Windows\CurrentVersion\Installer\Folders"))
{
if (key == null)
{
yield break;
}
foreach (var path in key.GetValueNames())
{
if (!TestPathsMatch(installLocation, path))
{
continue;
}
var node = new RegistryValueJunkNode(key.Name, path, Uninstaller.DisplayName);
node.Confidence.Add(ConfidencePart.ExplicitConnection);
if (OtherUninstallers.Any(x => TestPathsMatch(x.InstallLocation, path)))
{
node.Confidence.Add(ConfidencePart.DirectoryStillUsed);
}
yield return(node);
}
}
}
