internal static void AddLocalAccount()

in LinuxCommunicator/Credentials.cs [437:501]
55 lines of code
10 McCabe index (conditional complexity)

        internal static void AddLocalAccount(string username, SecureString password, bool isAdmin, bool schedulerOnAzure)
        {
            CredentialNativeMethods.USER_INFO_1 info = new CredentialNativeMethods.USER_INFO_1();

            info.sUsername = username;
            if (password == null)
            {
                info.sPassword = Marshal.StringToCoTaskMemUni(String.Empty);
            }
            else
            {
                info.sPassword = Marshal.SecureStringToCoTaskMemUnicode(password);
            }
            info.uiPriv = CredentialNativeMethods.USER_PRIV_USER;
            info.sHome_Dir = null;
            info.sComment = null;
            info.sScript_Path = null;
            info.uiFlags = CredentialNativeMethods.UF_SCRIPT;

            // Check the string length to prevent memory overflow

            if (info.sUsername.Length > 128)
            {
                throw new ArgumentException("The user name is too long.");
            }

            if (password != null && password.Length > 512)
            {
                throw new ArgumentException("The password is too long.");
            }

            try
            {
                uint errParam = 0;
                int errCode = CredentialNativeMethods.NetUserAdd(null, 1, ref info, out errParam);

                if (errCode != CredentialNativeMethods.NERR_Success)
                {
                    switch (errCode)
                    {
                        case CredentialNativeMethods.NERR_UserExists:
                            throw new ArgumentException("The local user " + username + " already exists.");

                        case CredentialNativeMethods.NERR_PasswordTooShort:
                            throw new ArgumentException("The password given is too short.");

                        default:
                            throw new Exception("Error when trying to create local account " + username + " exists. Error code: " + errCode + ", sub-error: " + errParam);
                    }
                }
            }
            finally
            {
                if (info.sPassword != IntPtr.Zero)
                {
                    try
                    {
                        Marshal.ZeroFreeCoTaskMemUnicode(info.sPassword);
                    }
                    catch { }
                }
            }

            AddUserGroups(username, isAdmin, schedulerOnAzure);
        }