Beispiel #1
0
func (*keychainWindows) DeletePassword(service, account string) error {
	// Validate input
	serviceValid := isValidNonNullUTF8(service)
	accountValid := isValidNonNullUTF8(account)
	if !(serviceValid && accountValid) {
		return ErrInvalidValue
	}

	// Compute target item name
	target := targetFormat(service, account)

	// Convert the target name.  See note in AddPassword.
	targetUTF16Ptr, err := syscall.UTF16PtrFromString(target)
	if err != nil {
		return ErrInvalidValue
	}
	// NOTE: For some reason they use LPCWSTR here, as opposed to LPWSTR in the
	// CREDENTIALW struct
	targetUTF16 := C.LPCWSTR(unsafe.Pointer(targetUTF16Ptr))

	// Delete the credential
	if C.CredDeleteW(targetUTF16, C.CRED_TYPE_GENERIC, 0) != C.TRUE {
		return ErrUnknown
	}

	// All done
	return nil
}
Beispiel #2
0
func (*keychainWindows) GetPassword(service, account string) (string, error) {
	// Validate input
	serviceValid := isValidNonNullUTF8(service)
	accountValid := isValidNonNullUTF8(account)
	if !(serviceValid && accountValid) {
		return "", ErrInvalidValue
	}

	// Compute target item name
	target := targetFormat(service, account)

	// Convert the target name.  See note in AddPassword.
	targetUTF16Ptr, err := syscall.UTF16PtrFromString(target)
	if err != nil {
		return "", ErrInvalidValue
	}
	// NOTE: For some reason they use LPCWSTR here, as opposed to LPWSTR in the
	// CREDENTIALW struct
	targetUTF16 := C.LPCWSTR(unsafe.Pointer(targetUTF16Ptr))

	// Query the credential
	var credential C.PCREDENTIALW
	if C.CredReadW(targetUTF16, C.CRED_TYPE_GENERIC, 0, &credential) != C.TRUE {
		return "", ErrNotFound
	}

	// Extract the password blob
	result := C.GoStringN(
		(*C.char)(unsafe.Pointer(credential.CredentialBlob)),
		C.int(credential.CredentialBlobSize),
	)

	// Free the credential memory
	C.CredFree(C.PVOID(credential))

	// All done
	return result, nil
}
Beispiel #3
0
func utf16Convert(s string) (ptr C.LPCWSTR, length int) {
	encoded := utf16.Encode([]rune(s + "\x00"))
	return C.LPCWSTR((*C.WCHAR)(&encoded[0])), len(encoded)
}