Esempio n. 1
0
        internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out Asn1Filter decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            reader.ReadNull(expectedTag);
            Decode(reader, out decoded);
        }
Esempio n. 2
0
        internal static void Decode(AsnReader reader, out Asn1Filter decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            decoded = new Asn1Filter();
            Asn1Tag   tag = reader.PeekTag();
            AsnReader explicitReader;
            AsnReader collectionReader;

            if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 0)))
            {
                // Decode SEQUENCE OF for And
                {
                    collectionReader = reader.ReadSetOf(new Asn1Tag(TagClass.ContextSpecific, 0));
                    var        tmpList = new List <Asn1Filter>();
                    Asn1Filter tmpItem;

                    while (collectionReader.HasData)
                    {
                        Asn1Filter.Decode(collectionReader, out tmpItem);
                        tmpList.Add(tmpItem);
                    }

                    decoded.And = tmpList.ToArray();
                }
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 1)))
            {
                // Decode SEQUENCE OF for Or
                {
                    collectionReader = reader.ReadSetOf(new Asn1Tag(TagClass.ContextSpecific, 1));
                    var        tmpList = new List <Asn1Filter>();
                    Asn1Filter tmpItem;

                    while (collectionReader.HasData)
                    {
                        Asn1Filter.Decode(collectionReader, out tmpItem);
                        tmpList.Add(tmpItem);
                    }

                    decoded.Or = tmpList.ToArray();
                }
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 2)))
            {
                explicitReader = reader.ReadSequence(new Asn1Tag(TagClass.ContextSpecific, 2));
                Asn1Filter tmpNot;
                Asn1Filter.Decode(explicitReader, out tmpNot);
                decoded.Not = tmpNot;

                explicitReader.ThrowIfNotEmpty();
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 3)))
            {
                Asn1AttributeValueAssertion tmpEqualityMatch;
                Asn1AttributeValueAssertion.Decode(reader, new Asn1Tag(TagClass.ContextSpecific, 3), out tmpEqualityMatch);
                decoded.EqualityMatch = tmpEqualityMatch;
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 4)))
            {
                Asn1SubstringFilter tmpSubstrings;
                Asn1SubstringFilter.Decode(reader, new Asn1Tag(TagClass.ContextSpecific, 4), out tmpSubstrings);
                decoded.Substrings = tmpSubstrings;
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 5)))
            {
                Asn1AttributeValueAssertion tmpGreaterOrEqual;
                Asn1AttributeValueAssertion.Decode(reader, new Asn1Tag(TagClass.ContextSpecific, 5), out tmpGreaterOrEqual);
                decoded.GreaterOrEqual = tmpGreaterOrEqual;
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 6)))
            {
                Asn1AttributeValueAssertion tmpLessOrEqual;
                Asn1AttributeValueAssertion.Decode(reader, new Asn1Tag(TagClass.ContextSpecific, 6), out tmpLessOrEqual);
                decoded.LessOrEqual = tmpLessOrEqual;
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 7)))
            {
                if (reader.TryGetPrimitiveOctetStringBytes(new Asn1Tag(TagClass.ContextSpecific, 7), out ReadOnlyMemory <byte> tmpPresent))
                {
                    decoded.Present = tmpPresent;
                }
                else
                {
                    decoded.Present = reader.ReadOctetString(new Asn1Tag(TagClass.ContextSpecific, 7));
                }
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 8)))
            {
                Asn1AttributeValueAssertion tmpApproxMatch;
                Asn1AttributeValueAssertion.Decode(reader, new Asn1Tag(TagClass.ContextSpecific, 8), out tmpApproxMatch);
                decoded.ApproxMatch = tmpApproxMatch;
            }
            else if (tag.HasSameClassAndValue(new Asn1Tag(TagClass.ContextSpecific, 9)))
            {
                Asn1MatchingRuleAssertion tmpExtensibleMatch;
                Asn1MatchingRuleAssertion.Decode(reader, new Asn1Tag(TagClass.ContextSpecific, 9), out tmpExtensibleMatch);
                decoded.ExtensibleMatch = tmpExtensibleMatch;
            }
            else
            {
                throw new CryptographicException();
            }
        }
Esempio n. 3
0
        internal static void Decode(AsnReader reader, Asn1Tag expectedTag, out Asn1SearchRequest decoded)
        {
            if (reader == null)
            {
                throw new ArgumentNullException(nameof(reader));
            }

            decoded = new Asn1SearchRequest();
            AsnReader sequenceReader = reader.ReadSequence(expectedTag);
            AsnReader collectionReader;


            if (sequenceReader.TryGetPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmpBaseObject))
            {
                decoded.BaseObject = tmpBaseObject;
            }
            else
            {
                decoded.BaseObject = sequenceReader.ReadOctetString();
            }

            decoded.Scope        = sequenceReader.GetEnumeratedValue <SearchScope>();
            decoded.DerefAliases = sequenceReader.GetEnumeratedValue <DerefAliases>();

            if (!sequenceReader.TryReadInt32(out decoded.SizeLimit))
            {
                sequenceReader.ThrowIfNotEmpty();
            }


            if (!sequenceReader.TryReadInt32(out decoded.TimeLimit))
            {
                sequenceReader.ThrowIfNotEmpty();
            }

            decoded.TypesOnly = sequenceReader.ReadBoolean();
            Asn1Filter.Decode(sequenceReader, out decoded.Filter);

            // Decode SEQUENCE OF for Attributes
            {
                collectionReader = sequenceReader.ReadSequence();
                var tmpList = new List <ReadOnlyMemory <byte> >();
                ReadOnlyMemory <byte> tmpItem;

                while (collectionReader.HasData)
                {
                    if (collectionReader.TryGetPrimitiveOctetStringBytes(out ReadOnlyMemory <byte> tmp))
                    {
                        tmpItem = tmp;
                    }
                    else
                    {
                        tmpItem = collectionReader.ReadOctetString();
                    }

                    tmpList.Add(tmpItem);
                }

                decoded.Attributes = tmpList.ToArray();
            }


            sequenceReader.ThrowIfNotEmpty();
        }