protected static bool TryParseFromRegexMatch(Match match, out string subject, out SmtpDomainWithSubdomains commonName, out string issuer, out bool invalidDomainError)
{
subject = null;
issuer = null;
commonName = null;
invalidDomainError = false;
if (match.Success)
{
Match match2 = Regex.Match(match.Groups[4].Value, "CN=(.*?)($|,)", RegexOptions.IgnoreCase);
if (!match2.Success)
{
return(false);
}
if (!SmtpDomainWithSubdomains.TryParse(match2.Groups[1].Value, out commonName))
{
invalidDomainError = true;
return(false);
}
try
{
subject = new X500DistinguishedName(match.Groups[4].Value, X500DistinguishedNameFlags.None).Format(false);
issuer = new X500DistinguishedName(match.Groups[2].Value, X500DistinguishedNameFlags.None).Format(false);
return(true);
}
catch (CryptographicException)
{
return(false);
}
return(false);
}
return(false);
}
private static bool InternalTryParse(string s, out string subject, out SmtpDomainWithSubdomains commonName, out string issuer, out SmtpDomainWithSubdomains[] domains, out bool invalidDomainError)
{
domains = null;
Match match = Regex.Match(s, "^(<I>([^<]+))?(<S>([^<]+))(<D>(.+))?", RegexOptions.IgnoreCase);
if (!SmtpX509Identifier.TryParseFromRegexMatch(match, out subject, out commonName, out issuer, out invalidDomainError))
{
return(false);
}
if (match.Success && !string.IsNullOrEmpty(match.Groups[6].Value))
{
string[] array = match.Groups[6].Value.Split(new string[]
{
";"
}, StringSplitOptions.RemoveEmptyEntries);
domains = new SmtpDomainWithSubdomains[array.Length];
for (int i = 0; i < array.Length; i++)
{
if (!SmtpDomainWithSubdomains.TryParse(array[i], out domains[i]))
{
invalidDomainError = true;
return(false);
}
}
}
return(true);
}
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);
}
private static bool InternalTryParse(string certificateName, out SmtpDomainWithSubdomains fqdn, out SmtpX509Identifier x509Identifier)
{
fqdn = null;
x509Identifier = null;
return(SmtpDomainWithSubdomains.TryParse(certificateName, out fqdn) || SmtpX509Identifier.TryParse(certificateName, out x509Identifier));
}
