private static bool InternalTryParseFromAD(string s, bool extendedFormat, out SmtpDomainWithSubdomains domain, out SmtpReceiveCapabilities capabilities, out SmtpX509Identifier x509Identifier)
{
domain = null;
x509Identifier = null;
capabilities = SmtpReceiveCapabilities.None;
if (string.IsNullOrWhiteSpace(s))
{
return(false);
}
int num = s.IndexOf(':');
if (num <= 0 || num == s.Length - 1)
{
return(false);
}
string text = s.Substring(0, num);
if (!SmtpDomainWithSubdomains.TryParse(text.Trim(), out domain))
{
return(false);
}
int num2;
string stringPart = SmtpReceiveDomainCapabilities.GetStringPart(s, extendedFormat, false, num + 1, out num2);
if (!SmtpReceiveDomainCapabilities.TryGetCapabilities(stringPart, out capabilities))
{
domain = null;
return(false);
}
if (num2 > num && num2 < s.Length)
{
int num3;
string stringPart2 = SmtpReceiveDomainCapabilities.GetStringPart(s, extendedFormat, true, num2 + 1, out num3);
SmtpX509Identifier smtpX509Identifier = null;
if (SmtpX509Identifier.TryParse(stringPart2, out smtpX509Identifier))
{
domain = smtpX509Identifier.SubjectCommonName;
x509Identifier = smtpX509Identifier;
}
else
{
x509Identifier = null;
}
}
return(true);
}
private static bool InternalTryParse(string s, bool extendedFormat, out SmtpDomainWithSubdomains domain, out SmtpReceiveCapabilities capabilities, out SmtpX509Identifier x509Identifier)
{
domain = null;
x509Identifier = null;
capabilities = SmtpReceiveCapabilities.None;
if (string.IsNullOrWhiteSpace(s))
{
return(false);
}
int num;
string stringPart = SmtpReceiveDomainCapabilities.GetStringPart(s, true, true, 0, out num);
if (num == s.Length - 1 || num == s.Length)
{
return(false);
}
SmtpX509Identifier smtpX509Identifier = null;
if (SmtpX509Identifier.TryParse(stringPart, out smtpX509Identifier))
{
domain = smtpX509Identifier.SubjectCommonName;
x509Identifier = smtpX509Identifier;
}
if (domain == null && !SmtpDomainWithSubdomains.TryParse(stringPart.Trim(), out domain))
{
return(false);
}
int num2;
string stringPart2 = SmtpReceiveDomainCapabilities.GetStringPart(s, extendedFormat, false, num + 1, out num2);
if (!SmtpReceiveDomainCapabilities.TryGetCapabilities(stringPart2, out capabilities))
{
domain = null;
x509Identifier = null;
return(false);
}
return(true);
}