static IEnumerable <Tuple <string, string> > StoreCommand(IDictionary <string, string> args)
{
// Build the URL
Uri url = ExtractUrl(args);
string userName = args.GetOrDefault("username", String.Empty);
string password = args.GetOrDefault("password", String.Empty);
bool abort = false;
if (abort |= String.IsNullOrEmpty(userName))
{
Console.Error.WriteLine("username parameter must be provided");
}
if (abort |= String.IsNullOrEmpty(password))
{
Console.Error.WriteLine("password parameter must be provided");
}
if (!abort)
{
string target = GetTargetName(url);
IntPtr passwordPtr = Marshal.StringToBSTR(password);
NativeMethods.CREDENTIAL cred = new NativeMethods.CREDENTIAL()
{
type = 0x01, // Generic
targetName = target,
credentialBlob = Marshal.StringToCoTaskMemUni(password),
persist = 0x03, // Enterprise (roaming)
attributeCount = 0,
userName = userName
};
cred.credentialBlobSize = Encoding.Unicode.GetByteCount(password);
if (!NativeMethods.CredWrite(ref cred, 0))
{
Console.Error.WriteLine(
"Failed to write credential: " +
GetLastErrorMessage());
}
}
return(Enumerable.Empty <Tuple <string, string> >());
}
static IEnumerable<Tuple<string, string>> StoreCommand(IDictionary<string, string> args)
{
// Build the URL
Uri url = ExtractUrl(args);
string userName = args.GetOrDefault("username", String.Empty);
string password = args.GetOrDefault("password", String.Empty);
bool abort = false;
if(abort |= String.IsNullOrEmpty(userName)) {
Console.Error.WriteLine("username parameter must be provided");
}
if(abort |= String.IsNullOrEmpty(password)) {
Console.Error.WriteLine("password parameter must be provided");
}
if (!abort)
{
string target = GetTargetName(url);
IntPtr passwordPtr = Marshal.StringToBSTR(password);
NativeMethods.CREDENTIAL cred = new NativeMethods.CREDENTIAL()
{
type = 0x01, // Generic
targetName = target,
credentialBlob = Marshal.StringToCoTaskMemUni(password),
persist = 0x03, // Enterprise (roaming)
attributeCount = 0,
userName = userName
};
cred.credentialBlobSize = Encoding.Unicode.GetByteCount(password);
if (!NativeMethods.CredWrite(ref cred, 0))
{
Console.Error.WriteLine(
"Failed to write credential: " +
GetLastErrorMessage());
}
}
return Enumerable.Empty<Tuple<string, string>>();
}
static IEnumerable <Tuple <string, string> > GetCommand(IDictionary <string, string> args)
{
// Build the URL
Uri url = ExtractUrl(args);
if (url == null)
{
yield break;
}
string userName = args.GetOrDefault("username", null);
string password = null;
IntPtr credPtr = IntPtr.Zero;
try
{
// Check for a credential
string target = GetTargetName(url);
if (!NativeMethods.CredRead(target, NativeMethods.CRED_TYPE.GENERIC, 0, out credPtr))
{
// Don't have a credential for this user. Are we on XP? If so, sorry no dice.
if (OnXP())
{
// Users will get a Git prompt for user name and password. We'll still store them.
yield break;
}
credPtr = IntPtr.Zero;
// If we have a username, pack an input authentication buffer
Tuple <int, IntPtr> inputBuffer = null;;
IntPtr outputBuffer = IntPtr.Zero;
int outputBufferSize = 0;
try
{
inputBuffer = PackUserNameBuffer(userName);
if (inputBuffer == null)
{
yield break;
}
// Setup UI
NativeMethods.CREDUI_INFO ui = new NativeMethods.CREDUI_INFO()
{
pszCaptionText = "Git Credentials",
pszMessageText = "Enter your credentials for: " + GetHost(url)
};
ui.cbSize = Marshal.SizeOf(ui);
// Prompt!
int authPackage = 0;
bool save = false;
var ret = NativeMethods.CredUIPromptForWindowsCredentials(
uiInfo: ref ui,
authError: 0,
authPackage: ref authPackage,
InAuthBuffer: inputBuffer.Item2,
InAuthBufferSize: inputBuffer.Item1,
refOutAuthBuffer: out outputBuffer,
refOutAuthBufferSize: out outputBufferSize,
fSave: ref save,
flags: NativeMethods.PromptForWindowsCredentialsFlags.CREDUIWIN_GENERIC);
if (ret != NativeMethods.CredUIReturnCodes.NO_ERROR)
{
Console.Error.WriteLine("Error prompting for credentials: " + ret.ToString());
yield break;
}
}
finally
{
if (inputBuffer != null && inputBuffer.Item2 != IntPtr.Zero)
{
Marshal.FreeHGlobal(inputBuffer.Item2);
}
}
try
{
// Unpack
if (!UnPackAuthBuffer(outputBuffer, outputBufferSize, out userName, out password))
{
yield break;
}
}
finally
{
if (outputBuffer != IntPtr.Zero)
{
Marshal.FreeHGlobal(outputBuffer);
}
}
}
else
{
// Decode the credential
NativeMethods.CREDENTIAL cred = (NativeMethods.CREDENTIAL)Marshal.PtrToStructure(credPtr, typeof(NativeMethods.CREDENTIAL));
userName = cred.userName;
password = Marshal.PtrToStringBSTR(cred.credentialBlob);
}
yield return(Tuple.Create("username", userName));
yield return(Tuple.Create("password", password));
}
finally
{
if (credPtr != IntPtr.Zero)
{
NativeMethods.CredFree(credPtr);
}
}
}
