private static extern CredUiReturnCodes CredUIPromptForCredentials(ref CreduiInfo pUiInfo, string pszTargetName,
IntPtr Reserved, int dwAuthError,
StringBuilder pszUserName,
int ulUserNameMaxChars,
StringBuilder pszPassword,
int ulPasswordMaxChars, ref int pfSave,
CreduiFlags dwFlags);
private static extern CredUiReturnCodes CredUIPromptForCredentials(ref CreduiInfo pUiInfo, string pszTargetName,
IntPtr Reserved, int dwAuthError,
StringBuilder pszUserName,
int ulUserNameMaxChars,
StringBuilder pszPassword,
int ulPasswordMaxChars, ref int pfSave,
CreduiFlags dwFlags);
internal static PSCredential CredUIPromptForCredential(string caption, string message, string userName,
string targetName,
PSCredentialTypes allowedCredentialTypes,
PSCredentialUIOptions options, IntPtr parentHWND)
{
PSCredential credential = null;
CreduiInfo structure = new CreduiInfo();
structure.pszCaptionText = caption;
structure.pszMessageText = message;
StringBuilder pszUserName = new StringBuilder(userName, 0x201);
StringBuilder pszPassword = new StringBuilder(0x100);
bool flag = false;
int pfSave = Convert.ToInt32(flag);
structure.cbSize = Marshal.SizeOf(structure);
structure.hwndParent = parentHWND;
CreduiFlags dwFlags = CreduiFlags.DO_NOT_PERSIST;
if ((allowedCredentialTypes & PSCredentialTypes.Domain) != PSCredentialTypes.Domain)
{
dwFlags |= CreduiFlags.GENERIC_CREDENTIALS;
if ((options & PSCredentialUIOptions.AlwaysPrompt) == PSCredentialUIOptions.AlwaysPrompt)
{
dwFlags |= CreduiFlags.ALWAYS_SHOW_UI;
}
}
CredUiReturnCodes codes = CredUiReturnCodes.ERROR_INVALID_PARAMETER;
if ((pszUserName.Length <= 0x201) && (pszPassword.Length <= 0x100))
{
codes = CredUIPromptForCredentials(ref structure, targetName, IntPtr.Zero, 0, pszUserName, 0x201,
pszPassword, 0x100, ref pfSave, dwFlags);
}
if (codes == CredUiReturnCodes.NO_ERROR)
{
string str = null;
if (pszUserName != null)
{
str = pszUserName.ToString();
}
SecureString password = new SecureString();
for (int i = 0; i < pszPassword.Length; i++)
{
password.AppendChar(pszPassword[i]);
pszPassword[i] = '\0';
}
if (!string.IsNullOrEmpty(str))
{
credential = new PSCredential(str, password);
}
else
{
credential = null;
}
}
else
{
credential = null;
}
return credential;
}
internal static PSCredential CredUIPromptForCredential(string caption, string message, string userName,
string targetName,
PSCredentialTypes allowedCredentialTypes,
PSCredentialUIOptions options, IntPtr parentHWND)
{
PSCredential credential = null;
CreduiInfo structure = new CreduiInfo();
structure.pszCaptionText = caption;
structure.pszMessageText = message;
StringBuilder pszUserName = new StringBuilder(userName, 0x201);
StringBuilder pszPassword = new StringBuilder(0x100);
bool flag = false;
int pfSave = Convert.ToInt32(flag);
structure.cbSize = Marshal.SizeOf(structure);
structure.hwndParent = parentHWND;
CreduiFlags dwFlags = CreduiFlags.DO_NOT_PERSIST;
if ((allowedCredentialTypes & PSCredentialTypes.Domain) != PSCredentialTypes.Domain)
{
dwFlags |= CreduiFlags.GENERIC_CREDENTIALS;
if ((options & PSCredentialUIOptions.AlwaysPrompt) == PSCredentialUIOptions.AlwaysPrompt)
{
dwFlags |= CreduiFlags.ALWAYS_SHOW_UI;
}
}
CredUiReturnCodes codes = CredUiReturnCodes.ERROR_INVALID_PARAMETER;
if ((pszUserName.Length <= 0x201) && (pszPassword.Length <= 0x100))
{
codes = CredUIPromptForCredentials(ref structure, targetName, IntPtr.Zero, 0, pszUserName, 0x201,
pszPassword, 0x100, ref pfSave, dwFlags);
}
if (codes == CredUiReturnCodes.NO_ERROR)
{
string str = null;
if (pszUserName != null)
{
str = pszUserName.ToString();
}
SecureString password = new SecureString();
for (int i = 0; i < pszPassword.Length; i++)
{
password.AppendChar(pszPassword[i]);
pszPassword[i] = '\0';
}
if (!string.IsNullOrEmpty(str))
{
credential = new PSCredential(str, password);
}
else
{
credential = null;
}
}
else
{
credential = null;
}
return(credential);
}
