internal static bool TryParse(byte[] data, BinaryReader reader, out NtlmAuthenticationToken token)
{
token = null;
NtlmNegotiateFlags flags = (NtlmNegotiateFlags)reader.ReadInt32();
if (!NtlmUtils.ParseString(NtlmNegotiateFlags.Oem, reader,
data, flags.HasFlagSet(NtlmNegotiateFlags.OemDomainSupplied),
out string domain))
{
return(false);
}
if (!NtlmUtils.ParseString(NtlmNegotiateFlags.Oem, reader,
data, flags.HasFlagSet(NtlmNegotiateFlags.OemWorkstationSupplied),
out string workstation))
{
return(false);
}
if (!NtlmUtils.TryParse(reader, out Version version))
{
return(false);
}
token = new NtlmNegotiateAuthenticationToken(data, flags, domain, workstation, version);
return(true);
}
internal static bool TryParse(byte[] data, BinaryReader reader, out NtlmAuthenticationToken token)
{
token = null;
if (!NtlmUtils.TryParseStringValues(reader, out int target_name_length, out int target_name_position))
{
return(false);
}
NtlmNegotiateFlags flags = (NtlmNegotiateFlags)reader.ReadInt32();
byte[] server_challenge = reader.ReadBytes(8);
if (server_challenge.Length < 8)
{
return(false);
}
byte[] reserved = reader.ReadBytes(8);
if (reserved.Length < 8)
{
return(false);
}
if (!NtlmUtils.TryParseStringValues(reader, out int target_info_length, out int target_info_position))
{
return(false);
}
if (!NtlmUtils.TryParse(reader, out Version version))
{
return(false);
}
string target_name = string.Empty;
if (flags.HasFlagSet(NtlmNegotiateFlags.RequestTarget))
{
if (!NtlmUtils.ParseString(flags, data, target_name_length,
target_name_position, out target_name))
{
return(false);
}
}
IEnumerable <NtlmAvPair> pairs = new NtlmAvPair[0];
if (flags.HasFlagSet(NtlmNegotiateFlags.TargetInfo))
{
if (!NtlmUtils.ParseBytes(data, target_info_length, target_info_position, out byte[] target_info))
internal static bool TryParse(byte[] data, BinaryReader reader, out NtlmAuthenticationToken token)
{
token = null;
if (!NtlmUtils.TryParseStringValues(reader, out int lm_length, out int lm_position))
{
return(false);
}
if (!NtlmUtils.TryParseStringValues(reader, out int nt_length, out int nt_position))
{
return(false);
}
if (!NtlmUtils.TryParseStringValues(reader, out int domain_length, out int domain_position))
{
return(false);
}
if (!NtlmUtils.TryParseStringValues(reader, out int username_length, out int username_position))
{
return(false);
}
if (!NtlmUtils.TryParseStringValues(reader, out int workstation_length, out int workstation_position))
{
return(false);
}
if (!NtlmUtils.TryParseStringValues(reader, out int key_length, out int key_position))
{
return(false);
}
NtlmNegotiateFlags flags = (NtlmNegotiateFlags)reader.ReadInt32();
if (!NtlmUtils.TryParse(reader, out Version version))
{
return(false);
}
long min_pos = MinimumPosition(lm_position, nt_position, domain_position, username_position, workstation_position, key_position);
byte[] mic = new byte[0];
int mic_offset = int.MaxValue;
if (reader.BaseStream.Position + 16 <= min_pos)
{
mic_offset = (int)reader.BaseStream.Position;
mic = reader.ReadBytes(16);
if (mic.Length < 16)
{
return(false);
}
}
string domain = string.Empty;
if (domain_position != 0)
{
if (!NtlmUtils.ParseString(flags, data, domain_length, domain_position, out domain))
{
return(false);
}
}
string workstation = string.Empty;
if (workstation_position != 0)
{
if (!NtlmUtils.ParseString(flags, data, workstation_length, workstation_position, out workstation))
{
return(false);
}
}
string username = string.Empty;
if (username_position != 0)
{
if (!NtlmUtils.ParseString(flags, data, username_length, username_position, out username))
{
return(false);
}
}
if (!NtlmUtils.ParseBytes(data, lm_length, lm_position, out byte[] lm_response))
