private SSP.SecurityAttribute CreateSecurityAttribute(SecurityAction action, BinaryReader br, byte [] permset, int pos, out int start, bool resolve)
{
string cname = SignatureReader.ReadUTF8String(permset, pos, out start);
Type secattr = null;
// note: the SecurityAction parameter isn't important to generate the XML
SSP.SecurityAttribute sa = null;
try {
secattr = Type.GetType(cname, false);
if (secattr == null)
{
return(null);
}
sa = Activator.CreateInstance(secattr, new object [] { (SSP.SecurityAction)action }) as SSP.SecurityAttribute;
} catch {}
if (sa == null)
{
return(null);
}
// encoded length of all parameters (we don't need the value - except the updated pos)
Utilities.ReadCompressedInteger(permset, start, out pos);
int numparams = Utilities.ReadCompressedInteger(permset, pos, out start);
if (numparams == 0)
{
return(sa);
}
br.BaseStream.Position = start;
for (int j = 0; j < numparams; j++)
{
bool read = true;
CustomAttrib.NamedArg na = sr.ReadNamedArg(permset, br, ref read, resolve);
if (!read)
{
return(null);
}
if (na.Field)
{
FieldInfo fi = secattr.GetField(na.FieldOrPropName);
fi.SetValue(sa, na.FixedArg.Elems[0].Value);
}
else if (na.Property)
{
PropertyInfo pi = secattr.GetProperty(na.FieldOrPropName);
pi.SetValue(sa, na.FixedArg.Elems[0].Value, null);
}
}
start = (int)br.BaseStream.Position;
return(sa);
}