private static string GetAccountNameFromSID(string sidString)
{
SecurityIdentifier sid = new SecurityIdentifier(sidString);
if (sid.IsAccountSid() && sid.IsValidTargetType(typeof(NTAccount)))
{
try
{
NTAccount account = (NTAccount)sid.Translate(typeof(NTAccount));
return(account.Value);
}
catch (IdentityNotMappedException)
{ // Some or all identity references could not be translated.
return(null);
}
catch (System.ArgumentNullException)
{ // The target translation type is null.
return(null);
}
catch (System.ArgumentException)
{ // The target translation type is not an IdentityReference type.
return(null);
}
catch (System.SystemException)
{ // A Win32 error code was returned.
return(null);
}
}
else
{
return(null);
}
}
/// <summary>
/// Converts a SID to a user account name.
/// </summary>
public static string SidToAccountName(string sid)
{
SecurityIdentifier identifier = new SecurityIdentifier(sid);
if (!identifier.IsValidTargetType(typeof(NTAccount)))
{
return(null);
}
return(identifier.Translate(typeof(NTAccount)).ToString());
}
public static string SidToAccountName(SecurityIdentifier sid)
{
try
{
return((sid.IsValidTargetType(typeof(NTAccount)))
? ((NTAccount)sid.Translate(typeof(NTAccount))).Value
: sid.Value);
}
catch
{
return(sid.Value);
}
}
private void GetWellKnownSid(bool domain)
{
SecurityIdentifier currDomain = null;
if (domain)
{
currDomain = WindowsIdentity.GetCurrent().User.AccountDomainSid;
Console.WriteLine("\n+++ Domain SID: {0} +++", currDomain);
}
foreach (WellKnownSidType wsid in Enum.GetValues(typeof(WellKnownSidType)))
{
Console.ForegroundColor = ConsoleColor.DarkGray;
Console.Write("{0}: ", wsid);
Console.ResetColor();
try
{
SecurityIdentifier sid = new SecurityIdentifier(wsid, domain ? new SecurityIdentifier(currDomain.Value) : null);
try
{
Console.WriteLine("{0} , {1} ",
(sid.IsValidTargetType(typeof(NTAccount)) ? sid.Translate(typeof(NTAccount)).ToString() : "-"),
sid.Value
);
}
catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.WriteLine(" !{0}", e.Message);
Console.ResetColor();
}
}
catch (Exception e)
{
Console.ForegroundColor = ConsoleColor.DarkMagenta;
Console.WriteLine(" !{0}", e.Message);
Console.ResetColor();
}
}
}
private void GetNTAcctForPath(String path)
{
FileSecurity fs = File.GetAccessControl(path);
AuthorizationRuleCollection ntarc = fs.GetAccessRules(true, true, typeof(NTAccount));
AuthorizationRuleCollection siarc = fs.GetAccessRules(true, true, typeof(SecurityIdentifier));
Console.WriteLine("Checking SIDs on path: {0}", path);
Console.WriteLine("\n== By NTAccount ==");
foreach (FileSystemAccessRule fsar in ntarc)
{
NTAccount nta = (NTAccount)fsar.IdentityReference;
Console.WriteLine("{0} <=> {1}", nta.Value, nta.IsValidTargetType(typeof(SecurityIdentifier)) ?
nta.Translate(typeof(SecurityIdentifier)).ToString() :
"-");
}
Console.WriteLine("\n== By SecurityIdentifier == ");
foreach (FileSystemAccessRule siar in siarc)
{
SecurityIdentifier sia = (SecurityIdentifier)siar.IdentityReference;
try
{
Console.WriteLine("SDDL:{0} <=> {1}",
sia.Value,
(sia.IsAccountSid() ? (sia.IsValidTargetType(typeof(NTAccount)) ?
sia.Translate(typeof(NTAccount)).ToString() : "-") :
"Not a real Windows Account"));
}
catch (Exception e)
{
Console.WriteLine("Error: {0}", e.Message);
}
}
}
/// <summary>
/// Gets the application access rules implied by the access rights to the file.
/// </summary>
public static void SetAccessRules(String filePath, IList <ApplicationAccessRule> accessRules, bool replaceExisting)
{
// get the current permissions from the file or directory.
FileSystemSecurity security = null;
FileInfo fileInfo = new FileInfo(filePath);
DirectoryInfo directoryInfo = null;
if (!fileInfo.Exists)
{
directoryInfo = new DirectoryInfo(filePath);
if (!directoryInfo.Exists)
{
throw new FileNotFoundException("File or directory does not exist.", filePath);
}
security = directoryInfo.GetAccessControl(AccessControlSections.Access);
}
else
{
security = fileInfo.GetAccessControl(AccessControlSections.Access);
}
if (replaceExisting)
{
// can't use inhieritance when setting permissions
security.SetAccessRuleProtection(true, false);
// remove all existing access rules.
AuthorizationRuleCollection authorizationRules = security.GetAccessRules(true, true, typeof(NTAccount));
for (int ii = 0; ii < authorizationRules.Count; ii++)
{
FileSystemAccessRule accessRule = authorizationRules[ii] as FileSystemAccessRule;
// only care about file system rules.
if (accessRule == null)
{
continue;
}
security.RemoveAccessRule(accessRule);
}
}
// allow children to inherit rules for directories.
InheritanceFlags flags = InheritanceFlags.None;
if (directoryInfo != null)
{
flags = InheritanceFlags.ObjectInherit | InheritanceFlags.ContainerInherit;
}
// add the new rules.
for (int ii = 0; ii < accessRules.Count; ii++)
{
ApplicationAccessRule applicationRule = accessRules[ii];
IdentityReference identityReference = applicationRule.IdentityReference;
if (identityReference == null)
{
if (applicationRule.IdentityName.StartsWith("S-"))
{
SecurityIdentifier sid = new SecurityIdentifier(applicationRule.IdentityName);
if (!sid.IsValidTargetType(typeof(NTAccount)))
{
continue;
}
identityReference = sid.Translate(typeof(NTAccount));
}
else
{
identityReference = new NTAccount(applicationRule.IdentityName);
}
}
FileSystemAccessRule fileRule = null;
switch (applicationRule.Right)
{
case ApplicationAccessRight.Run:
{
fileRule = new FileSystemAccessRule(
identityReference,
(applicationRule.RuleType == AccessControlType.Allow) ? Read : Configure,
flags,
PropagationFlags.None,
ApplicationAccessRule.Convert(applicationRule.RuleType));
break;
}
case ApplicationAccessRight.Update:
{
fileRule = new FileSystemAccessRule(
identityReference,
(applicationRule.RuleType == AccessControlType.Allow) ? Update : ConfigureOnly | UpdateOnly,
flags,
PropagationFlags.None,
ApplicationAccessRule.Convert(applicationRule.RuleType));
security.SetAccessRule(fileRule);
break;
}
case ApplicationAccessRight.Configure:
{
fileRule = new FileSystemAccessRule(
identityReference,
(applicationRule.RuleType == AccessControlType.Allow) ? Configure : ConfigureOnly,
flags,
PropagationFlags.None,
ApplicationAccessRule.Convert(applicationRule.RuleType));
break;
}
}
try
{
security.SetAccessRule(fileRule);
}
catch (Exception e)
{
Utils.Trace(
"Could not set access rule for account '{0}' on file '{1}'. Error={2}",
applicationRule.IdentityName,
filePath,
e.Message);
}
}
if (directoryInfo != null)
{
directoryInfo.SetAccessControl((DirectorySecurity)security);
return;
}
fileInfo.SetAccessControl((FileSecurity)security);
}
public ProgramInstallInfo(RegistryKey key)
{
Key = key;
Comments = GetValueAsString("Comments");
Contact = GetValueAsString("Contact");
DisplayName = GetValueAsString("DisplayName");
DisplayVersion = GetValueAsString("DisplayVersion");
EstimatedSize = GetValueAsInt("EstimatedSize");
HelpLink = GetValueAsString("HelpLink");
HelpTelephone = GetValueAsString("HelpTelephone");
var installDateValue = GetValueAsString("InstallDate");
DateTime installDate;
if (!DateTime.TryParse(installDateValue, out installDate))
{
DateTime.TryParseExact(installDateValue, "yyyyMMdd", CultureInfo.CurrentCulture, DateTimeStyles.None, out installDate);
}
InstallDate = installDate;
InstallLocation = GetValueAsString("InstallLocation");
InstallSource = GetValueAsString("InstallSource");
Language = GetValueAsInt("Language");
ModifyPath = GetValueAsString("ModifyPath");
Path = GetValueAsString("Path");
ProductCode = Guid.Empty;
Guid productCode;
var keyName = System.IO.Path.GetFileName(key.Name);
if (Guid.TryParse(keyName, out productCode))
{
ProductCode = productCode;
}
Publisher = GetValueAsString("Publisher");
Readme = GetValueAsString("Readme");
Size = GetValueAsString("Size");
UninstallString = GetValueAsString("UninstallString");
UrlInfoAbout = GetValueAsString("URLInfoAbout");
UrlUpdateInfo = GetValueAsString("URLUpdateInfo");
User = String.Empty;
if (key.Name.StartsWith("HKEY_USERS", StringComparison.InvariantCultureIgnoreCase))
{
var match = Regex.Match(key.Name, @"^HKEY_USERS\\([^\\]+)\\");
if (match.Success)
{
User = match.Groups[1].Value;
try
{
var sid = new SecurityIdentifier(User);
if (sid.IsValidTargetType(typeof(NTAccount)))
{
var ntAccount = sid.Translate(typeof(NTAccount)) as NTAccount;
if (ntAccount != null)
{
User = ntAccount.Value;
}
}
}
// ReSharper disable once EmptyGeneralCatchClause
catch (Exception)
{
}
}
}
var intVersion = GetValueAsInt("Version");
string rawVersion;
if (intVersion != 0)
{
var major = intVersion >> 24; // first 8 bits are major version number
var minor = (intVersion & 0x00ff0000) >> 16; // bits 9 - 16 are the minor version number
var build = intVersion & 0x0000ffff; // last 16 bits are the build number
rawVersion = String.Format("{0}.{1}.{2}", major, minor, build);
}
else
{
rawVersion = GetValueAsString("Version");
}
Version version;
if (Version.TryParse(rawVersion, out version))
{
Version = version;
}
VersionMajor = GetValueAsInt("VersionMajor");
VersionMinor = GetValueAsInt("VersionMinor");
var windowsInstallerValue = GetValueAsInt("WindowsInstaller");
WindowsInstaller = (windowsInstallerValue > 0);
}
private void ImpersonateUser(String userName, String domainName)
{
if (domainName == null)
{
domainName = ".";
}
IntPtr tokenHandle = WindowsIdentity.GetCurrent().Token;
Console.WriteLine("Before Impersonation");
Console.WriteLine("Token {0}", tokenHandle);
Console.WriteLine("Auth type: {0}", WindowsIdentity.GetCurrent().AuthenticationType);
Console.WriteLine("Impersonation Level: {0}", WindowsIdentity.GetCurrent().ImpersonationLevel);
Console.WriteLine("Owner of Process: {0}", WindowsIdentity.GetCurrent().Owner);
Console.WriteLine("User: {0}", WindowsIdentity.GetCurrent().User);
IntPtr phToken = IntPtr.Zero;
SecureString pwd = new SecureString();
// Use the AppendChar method to add each char value to the secure string.
Console.Write("PW: ");
char[] che = Console.ReadLine().TrimEnd(Environment.NewLine.ToCharArray()).ToCharArray();
foreach (char ch in che)
{
pwd.AppendChar(ch);
}
IntPtr pwdPtr = Marshal.SecureStringToGlobalAllocUnicode(pwd);
bool status;
status = LogonUser(userName, domainName, pwdPtr, 3, 3, out phToken);
pwd.Dispose();
if (status)
{
Console.WriteLine("Impersonating token {0} with token {1}", tokenHandle, phToken);
try
{
using (WindowsImpersonationContext wic = WindowsIdentity.Impersonate(phToken))
{
SecurityIdentifier ownerSid = WindowsIdentity.GetCurrent().Owner;
SecurityIdentifier userSid = WindowsIdentity.GetCurrent().User;
Console.WriteLine("After Impersonation");
Console.WriteLine("Token {0}", WindowsIdentity.GetCurrent().Token);
Console.WriteLine("|-Name {0}", WindowsIdentity.GetCurrent().Name);
Console.WriteLine("|-Auth type: {0}", WindowsIdentity.GetCurrent().AuthenticationType);
Console.WriteLine("|-Impersonation Level: {0}", WindowsIdentity.GetCurrent().ImpersonationLevel);
Console.WriteLine("|-Owner of Process: {0} {1}", ownerSid,
(ownerSid.IsValidTargetType(typeof(NTAccount)) ?
ownerSid.Translate(typeof(NTAccount)).ToString() : "-")
);
Console.WriteLine("|-User: {0} {1}", userSid,
(userSid.IsValidTargetType(typeof(NTAccount)) ?
userSid.Translate(typeof(NTAccount)).ToString() : "-")
);
}
}
catch (Exception e)
{
Console.WriteLine("Impersonation failed: {0}", e.Message);
}
}
else
{
int err = Marshal.GetLastWin32Error();
if (err != 0)
{
Console.Write("Unable to Impersonate");
Console.WriteLine(" : {0} - {1} ", err, new Win32Exception(err).Message);
}
}
}