internal static T Read <T>(CodedInputStream input, FieldCodec <T> codec)
{
int length = input.ReadLength();
int oldLimit = input.PushLimit(length);
uint tag;
T value = codec.DefaultValue;
while (input.ReadTag(out tag))
{
if (tag == 0)
{
throw InvalidProtocolBufferException.InvalidTag();
}
if (tag == codec.Tag)
{
value = codec.Read(input);
}
if (WireFormat.IsEndGroupTag(tag))
{
break;
}
}
input.CheckLastTagWas(0);
input.PopLimit(oldLimit);
return(value);
}
public static void AssertNextTag(this CodedInputStream input, uint expectedTag)
{
uint tag;
Assert.IsTrue(input.ReadTag(out tag));
Assert.AreEqual(expectedTag, tag);
}
public void SkipGroup_WrongEndGroupTag()
{
// Create an output stream with:
// Field 1: string "field 1"
// Start group 2
// Field 3: fixed int32
// End group 4 (should give an error)
var stream = new MemoryStream();
var output = new CodedOutputStream(stream);
output.WriteTag(1, WireFormat.WireType.LengthDelimited);
output.WriteString("field 1");
// The outer group...
output.WriteTag(2, WireFormat.WireType.StartGroup);
output.WriteTag(3, WireFormat.WireType.Fixed32);
output.WriteFixed32(100);
output.WriteTag(4, WireFormat.WireType.EndGroup);
output.Flush();
stream.Position = 0;
// Now act like a generated client
var input = new CodedInputStream(stream);
Assert.AreEqual(WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited), input.ReadTag());
Assert.AreEqual("field 1", input.ReadString());
Assert.AreEqual(WireFormat.MakeTag(2, WireFormat.WireType.StartGroup), input.ReadTag());
Assert.Throws <InvalidProtocolBufferException>(input.SkipLastField);
}
public void ReadStringGreaterThanCurrentLimit()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = new CodedOutputStream(ms);
uint tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteRawVarint32(4);
output.WriteRawBytes(new byte[4]); // Pad with a few random bytes.
output.Flush();
ms.Position = 0;
CodedInputStream input = new CodedInputStream(ms.ToArray());
Assert.AreEqual(tag, input.ReadTag());
// Specify limit smaller than data length
input.PushLimit(3);
Assert.Throws <InvalidProtocolBufferException>(() => input.ReadString());
AssertReadFromParseContext(new ReadOnlySequence <byte>(ms.ToArray()), (ref ParseContext ctx) =>
{
Assert.AreEqual(tag, ctx.ReadTag());
SegmentedBufferHelper.PushLimit(ref ctx.state, 3);
try
{
ctx.ReadString();
Assert.Fail();
}
catch (InvalidProtocolBufferException) { }
}, true);
}
public void MergeFrom(pb.CodedInputStream input)
{
#if !GOOGLE_PROTOBUF_REFSTRUCT_COMPATIBILITY_MODE
input.ReadRawMessage(this);
#else
uint tag;
while ((tag = input.ReadTag()) != 0)
{
switch (tag)
{
default:
_unknownFields = pb.UnknownFieldSet.MergeFieldFrom(_unknownFields, input);
break;
case 10: {
ClientId = input.ReadString();
break;
}
case 18: {
MessageId = input.ReadString();
break;
}
case 24: {
Type = (MessageType)input.ReadEnum();
break;
}
case 34: {
if (time_ == null)
{
Time = new global.Google.Protobuf.WellKnownTypes.Timestamp();
}
input.ReadMessage(Time);
break;
}
case 40: {
Status = (MessageStatus)input.ReadEnum();
break;
}
case 50: {
Payload = input.ReadBytes();
break;
}
case 56: {
Response = (ResponseType)input.ReadEnum();
break;
}
}
}
#endif
}
/// <summary>
/// Parse a single field from <paramref name="input"/> and merge it
/// into this set.
/// </summary>
/// <param name="input">The coded input stream containing the field</param>
/// <returns>false if the tag is an "end group" tag, true otherwise</returns>
private bool MergeFieldFrom(CodedInputStream input)
{
uint tag = input.LastTag;
int number = WireFormat.GetTagFieldNumber(tag);
switch (WireFormat.GetTagWireType(tag))
{
case WireFormat.WireType.Varint:
{
ulong uint64 = input.ReadUInt64();
GetOrAddField(number).AddVarint(uint64);
return(true);
}
case WireFormat.WireType.Fixed32:
{
uint uint32 = input.ReadFixed32();
GetOrAddField(number).AddFixed32(uint32);
return(true);
}
case WireFormat.WireType.Fixed64:
{
ulong uint64 = input.ReadFixed64();
GetOrAddField(number).AddFixed64(uint64);
return(true);
}
case WireFormat.WireType.LengthDelimited:
{
ByteString bytes = input.ReadBytes();
GetOrAddField(number).AddLengthDelimited(bytes);
return(true);
}
case WireFormat.WireType.StartGroup:
{
uint endTag = WireFormat.MakeTag(number, WireFormat.WireType.EndGroup);
UnknownFieldSet set = new UnknownFieldSet();
while (input.ReadTag() != endTag)
{
set.MergeFieldFrom(input);
}
GetOrAddField(number).AddGroup(set);
return(true);
}
case WireFormat.WireType.EndGroup:
{
return(false);
}
default:
throw InvalidProtocolBufferException.InvalidWireType();
}
}
public void MergeFrom(CodedInputStream input)
{
while (true)
{
IL_F1:
uint num;
uint arg_B1_0 = ((num = input.ReadTag()) == 0u) ? 892360258u : 1848098736u;
while (true)
{
uint num2;
switch ((num2 = (arg_B1_0 ^ 1527141277u)) % 9u)
{
case 0u:
goto IL_F1;
case 1u:
arg_B1_0 = (((num != 16u) ? 2248849807u : 3227524151u) ^ num2 * 3730220176u);
continue;
case 3u:
input.SkipLastField();
arg_B1_0 = (num2 * 783818891u ^ 1987640322u);
continue;
case 4u:
arg_B1_0 = ((num == 10u) ? 319223136u : 559492368u);
continue;
case 5u:
arg_B1_0 = (num2 * 1269553354u ^ 293555476u);
continue;
case 6u:
this.IsExtension = input.ReadBool();
arg_B1_0 = 894606036u;
continue;
case 7u:
arg_B1_0 = 1848098736u;
continue;
case 8u:
this.NamePart_ = input.ReadString();
arg_B1_0 = 55025149u;
continue;
}
return;
}
}
}
public void TestSlowPathAvoidance()
{
using (var ms = new MemoryStream())
{
CodedOutputStream output = new CodedOutputStream(ms);
output.WriteTag(1, WireFormat.WireType.LengthDelimited);
output.WriteBytes(ByteString.CopyFrom(new byte[100]));
output.WriteTag(2, WireFormat.WireType.LengthDelimited);
output.WriteBytes(ByteString.CopyFrom(new byte[100]));
output.Flush();
ms.Position = 0;
CodedInputStream input = new CodedInputStream(ms, new byte[ms.Length / 2], 0, 0, false);
uint tag = input.ReadTag();
Assert.AreEqual(1, WireFormat.GetTagFieldNumber(tag));
Assert.AreEqual(100, input.ReadBytes().Length);
tag = input.ReadTag();
Assert.AreEqual(2, WireFormat.GetTagFieldNumber(tag));
Assert.AreEqual(100, input.ReadBytes().Length);
}
}
internal void MergeGroupFrom(CodedInputStream input)
{
while (true)
{
uint tag = input.ReadTag();
if (tag == 0)
{
break;
}
if (!MergeFieldFrom(input))
{
break;
}
}
}
public void SkipGroup()
{
// Create an output stream with a group in:
// Field 1: string "field 1"
// Field 2: group containing:
// Field 1: fixed int32 value 100
// Field 2: string "ignore me"
// Field 3: nested group containing
// Field 1: fixed int64 value 1000
// Field 3: string "field 3"
var stream = new MemoryStream();
var output = new CodedOutputStream(stream);
output.WriteTag(1, WireFormat.WireType.LengthDelimited);
output.WriteString("field 1");
// The outer group...
output.WriteTag(2, WireFormat.WireType.StartGroup);
output.WriteTag(1, WireFormat.WireType.Fixed32);
output.WriteFixed32(100);
output.WriteTag(2, WireFormat.WireType.LengthDelimited);
output.WriteString("ignore me");
// The nested group...
output.WriteTag(3, WireFormat.WireType.StartGroup);
output.WriteTag(1, WireFormat.WireType.Fixed64);
output.WriteFixed64(1000);
// Note: Not sure the field number is relevant for end group...
output.WriteTag(3, WireFormat.WireType.EndGroup);
// End the outer group
output.WriteTag(2, WireFormat.WireType.EndGroup);
output.WriteTag(3, WireFormat.WireType.LengthDelimited);
output.WriteString("field 3");
output.Flush();
stream.Position = 0;
// Now act like a generated client
var input = new CodedInputStream(stream);
Assert.AreEqual(WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited), input.ReadTag());
Assert.AreEqual("field 1", input.ReadString());
Assert.AreEqual(WireFormat.MakeTag(2, WireFormat.WireType.StartGroup), input.ReadTag());
input.SkipLastField(); // Should consume the whole group, including the nested one.
Assert.AreEqual(WireFormat.MakeTag(3, WireFormat.WireType.LengthDelimited), input.ReadTag());
Assert.AreEqual("field 3", input.ReadString());
}
public void MergeFrom(CodedInputStream input)
{
while (true)
{
IL_D9:
uint num;
uint arg_9E_0 = ((num = input.ReadTag()) != 0u) ? 123760098u : 340881777u;
while (true)
{
uint num2;
switch ((num2 = (arg_9E_0 ^ 2069247364u)) % 8u)
{
case 0u:
input.SkipLastField();
arg_9E_0 = (num2 * 3109966835u ^ 1634015013u);
continue;
case 1u:
goto IL_D9;
case 2u:
this.End = input.ReadInt32();
arg_9E_0 = 651504541u;
continue;
case 3u:
this.Start = input.ReadInt32();
arg_9E_0 = 651504541u;
continue;
case 4u:
arg_9E_0 = (((num == 16u) ? 3653100894u : 3502071340u) ^ num2 * 176730384u);
continue;
case 6u:
arg_9E_0 = ((num != 8u) ? 730284952u : 1349205327u);
continue;
case 7u:
arg_9E_0 = 123760098u;
continue;
}
return;
}
}
}
public void ReadNegativeSizedBytesThrowsInvalidProtocolBufferException()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = new CodedOutputStream(ms);
uint tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteLength(-1);
output.Flush();
ms.Position = 0;
CodedInputStream input = new CodedInputStream(ms);
Assert.AreEqual(tag, input.ReadTag());
Assert.Throws <InvalidProtocolBufferException>(() => input.ReadBytes());
}
public void RogueEndGroupTag()
{
// If we have an end-group tag without a leading start-group tag, generated
// code will just call SkipLastField... so that should fail.
var stream = new MemoryStream();
var output = new CodedOutputStream(stream);
output.WriteTag(1, WireFormat.WireType.EndGroup);
output.Flush();
stream.Position = 0;
var input = new CodedInputStream(stream);
Assert.AreEqual(WireFormat.MakeTag(1, WireFormat.WireType.EndGroup), input.ReadTag());
Assert.Throws <InvalidProtocolBufferException>(input.SkipLastField);
}
public void TestReadInvalidWireTypeThrowsInvalidProtocolBufferException()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = new CodedOutputStream(ms);
uint tag = WireFormat.MakeTag(1, (WireFormat.WireType) 6);
output.WriteRawVarint32(tag);
output.WriteLength(-1);
output.Flush();
ms.Position = 0;
CodedInputStream input = new CodedInputStream(ms);
Assert.AreEqual(tag, input.ReadTag());
Assert.Throws <InvalidProtocolBufferException>(() => UnknownFieldSet.MergeFieldFrom(null, input));
}
public void MaximumFieldNumber()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = new CodedOutputStream(ms);
int fieldNumber = 0x1FFFFFFF;
uint tag = WireFormat.MakeTag(fieldNumber, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteString("field 1");
output.Flush();
ms.Position = 0;
CodedInputStream input = new CodedInputStream(ms);
Assert.AreEqual(tag, input.ReadTag());
Assert.AreEqual(fieldNumber, WireFormat.GetTagFieldNumber(tag));
}
public void EndOfStreamReachedWhileSkippingGroup()
{
var stream = new MemoryStream();
var output = new CodedOutputStream(stream);
output.WriteTag(1, WireFormat.WireType.StartGroup);
output.WriteTag(2, WireFormat.WireType.StartGroup);
output.WriteTag(2, WireFormat.WireType.EndGroup);
output.Flush();
stream.Position = 0;
// Now act like a generated client
var input = new CodedInputStream(stream);
input.ReadTag();
Assert.Throws <InvalidProtocolBufferException>(input.SkipLastField);
}
public void TryMergeFieldFrom_CodedInputStream()
{
var message = new TestAllExtensions();
message.SetExtension(OptionalStringExtension, "abcd");
var input = new CodedInputStream(message.ToByteArray());
input.ExtensionRegistry = new ExtensionRegistry {
OptionalStringExtension
};
input.ReadTag(); // TryMergeFieldFrom expects that a tag was just read and will inspect the LastTag value
ExtensionSet <TestAllExtensions> extensionSet = null;
// test the legacy overload of TryMergeFieldFrom that takes a CodedInputStream
Assert.IsTrue(ExtensionSet.TryMergeFieldFrom(ref extensionSet, input));
Assert.AreEqual("abcd", ExtensionSet.Get(ref extensionSet, OptionalStringExtension));
}
public void ReadMaliciouslyLargeBlob()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = new CodedOutputStream(ms);
uint tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteRawVarint32(0x7FFFFFFF);
output.WriteRawBytes(new byte[32]); // Pad with a few random bytes.
output.Flush();
ms.Position = 0;
CodedInputStream input = new CodedInputStream(ms);
Assert.AreEqual(tag, input.ReadTag());
Assert.Throws <InvalidProtocolBufferException>(() => input.ReadBytes());
}
public void ReadInvalidUtf8()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = new CodedOutputStream(ms);
uint tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteRawVarint32(1);
output.WriteRawBytes(new byte[] { 0x80 });
output.Flush();
ms.Position = 0;
CodedInputStream input = new CodedInputStream(ms);
Assert.AreEqual(tag, input.ReadTag());
string text = input.ReadString();
Assert.AreEqual('\ufffd', text[0]);
}
public void ReadMaliciouslyLargeBlob()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = CodedOutputStream.CreateInstance(ms);
uint tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteRawVarint32(0x7FFFFFFF);
output.WriteRawBytes(new byte[32]); // Pad with a few random bytes.
output.Flush();
ms.Position = 0;
CodedInputStream input = CodedInputStream.CreateInstance(ms);
uint testtag;
Assert.IsTrue(input.ReadTag(out testtag));
Assert.AreEqual(tag, testtag);
// TODO(jonskeet): Should this be ArgumentNullException instead?
Assert.Throws <InvalidProtocolBufferException>(() => input.ReadBytes());
}
public void RecursionLimitAppliedWhileSkippingGroup()
{
var stream = new MemoryStream();
var output = new CodedOutputStream(stream);
for (int i = 0; i < CodedInputStream.DefaultRecursionLimit + 1; i++)
{
output.WriteTag(1, WireFormat.WireType.StartGroup);
}
for (int i = 0; i < CodedInputStream.DefaultRecursionLimit + 1; i++)
{
output.WriteTag(1, WireFormat.WireType.EndGroup);
}
output.Flush();
stream.Position = 0;
// Now act like a generated client
var input = new CodedInputStream(stream);
Assert.AreEqual(WireFormat.MakeTag(1, WireFormat.WireType.StartGroup), input.ReadTag());
Assert.Throws <InvalidProtocolBufferException>(input.SkipLastField);
}
internal static T Read <T>(CodedInputStream input, FieldCodec <T> codec)
{
int length = input.ReadLength();
int oldLimit = input.PushLimit(length);
uint tag;
T value = codec.DefaultValue;
while ((tag = input.ReadTag()) != 0)
{
if (tag == codec.Tag)
{
value = codec.Read(input);
}
else
{
input.SkipLastField();
}
}
input.CheckReadEndOfStreamTag();
input.PopLimit(oldLimit);
return(value);
}
public void RecursionLimitAppliedWhileSkippingGroup()
{
var stream = new MemoryStream();
var output = new CodedOutputStream(stream);
for (int i = 0; i < CodedInputStream.DefaultRecursionLimit + 1; i++)
{
output.WriteTag(1, WireFormat.WireType.StartGroup);
}
for (int i = 0; i < CodedInputStream.DefaultRecursionLimit + 1; i++)
{
output.WriteTag(1, WireFormat.WireType.EndGroup);
}
output.Flush();
stream.Position = 0;
// Now act like a generated client
var input = new CodedInputStream(stream);
Assert.AreEqual(WireFormat.MakeTag(1, WireFormat.WireType.StartGroup), input.ReadTag());
Assert.Throws<InvalidProtocolBufferException>(input.SkipLastField);
}
internal static T Read <T>(CodedInputStream input, FieldCodec <T> codec)
{
int byteLimit = input.ReadLength();
T result;
while (true)
{
IL_FA:
uint arg_C8_0 = 1476935752u;
while (true)
{
uint num;
switch ((num = (arg_C8_0 ^ 2018772964u)) % 9u)
{
case 0u:
input.SkipLastField();
arg_C8_0 = 1768391466u;
continue;
case 1u:
{
uint num2;
arg_C8_0 = (((num2 = input.ReadTag()) == 0u) ? 789788880u : 1000495088u);
continue;
}
case 3u:
arg_C8_0 = (num * 422428889u ^ 15908708u);
continue;
case 4u:
result = codec.Read(input);
arg_C8_0 = (num * 2015424451u ^ 1456283564u);
continue;
case 5u:
{
uint num2;
arg_C8_0 = ((num2 == codec.Tag) ? 627669222u : 345821031u);
continue;
}
case 6u:
{
input.CheckReadEndOfStreamTag();
int oldLimit;
input.PopLimit(oldLimit);
arg_C8_0 = (num * 1368242210u ^ 1133084529u);
continue;
}
case 7u:
{
int oldLimit = input.PushLimit(byteLimit);
result = codec.DefaultValue;
arg_C8_0 = (num * 2466023856u ^ 3651674u);
continue;
}
case 8u:
goto IL_FA;
}
return(result);
}
}
return(result);
}
public void MergeFrom(CodedInputStream input)
{
while (true)
{
IL_22B:
uint num;
uint arg_1C7_0 = ((num = input.ReadTag()) != 0u) ? 3338900507u : 3490427704u;
while (true)
{
uint num2;
switch ((num2 = (arg_1C7_0 ^ 3575757851u)) % 18u)
{
case 0u:
arg_1C7_0 = (num2 * 4161478824u ^ 2103420624u);
continue;
case 1u:
this.path_.AddEntriesFrom(input, SourceCodeInfo.Types.Location._repeated_path_codec);
arg_1C7_0 = 2227857680u;
continue;
case 2u:
arg_1C7_0 = ((num <= 16u) ? 2859386605u : 4283208004u);
continue;
case 3u:
arg_1C7_0 = (((num != 34u) ? 1520889365u : 1267782305u) ^ num2 * 2173165572u);
continue;
case 4u:
this.TrailingComments = input.ReadString();
arg_1C7_0 = 2227857680u;
continue;
case 5u:
arg_1C7_0 = 3338900507u;
continue;
case 6u:
arg_1C7_0 = (num2 * 2358789655u ^ 2159803823u);
continue;
case 8u:
input.SkipLastField();
arg_1C7_0 = 2183611349u;
continue;
case 9u:
arg_1C7_0 = ((num == 18u) ? 2447739934u : 2669850999u);
continue;
case 10u:
arg_1C7_0 = (((num != 8u) ? 3280687541u : 3841024010u) ^ num2 * 3329312757u);
continue;
case 11u:
this.LeadingComments = input.ReadString();
arg_1C7_0 = 2227857680u;
continue;
case 12u:
arg_1C7_0 = (((num != 26u) ? 3138895318u : 3479952318u) ^ num2 * 1481422129u);
continue;
case 13u:
arg_1C7_0 = (((num != 16u) ? 278902393u : 1407783438u) ^ num2 * 615822576u);
continue;
case 14u:
arg_1C7_0 = (num2 * 255842685u ^ 4130925702u);
continue;
case 15u:
goto IL_22B;
case 16u:
arg_1C7_0 = (((num != 10u) ? 1246054996u : 1063320292u) ^ num2 * 84701410u);
continue;
case 17u:
this.span_.AddEntriesFrom(input, SourceCodeInfo.Types.Location._repeated_span_codec);
arg_1C7_0 = 3200795651u;
continue;
}
return;
}
}
}
public void Tag0Throws()
{
var input = new CodedInputStream(new byte[] { 0 });
Assert.Throws <InvalidProtocolBufferException>(() => input.ReadTag());
}
public void TestCodedInputOutputPosition()
{
byte[] content = new byte[110];
for (int i = 0; i < content.Length; i++)
content[i] = (byte)i;
byte[] child = new byte[120];
{
MemoryStream ms = new MemoryStream(child);
CodedOutputStream cout = new CodedOutputStream(ms, 20);
// Field 11: numeric value: 500
cout.WriteTag(11, WireFormat.WireType.Varint);
Assert.AreEqual(1, cout.Position);
cout.WriteInt32(500);
Assert.AreEqual(3, cout.Position);
//Field 12: length delimited 120 bytes
cout.WriteTag(12, WireFormat.WireType.LengthDelimited);
Assert.AreEqual(4, cout.Position);
cout.WriteBytes(ByteString.CopyFrom(content));
Assert.AreEqual(115, cout.Position);
// Field 13: fixed numeric value: 501
cout.WriteTag(13, WireFormat.WireType.Fixed32);
Assert.AreEqual(116, cout.Position);
cout.WriteSFixed32(501);
Assert.AreEqual(120, cout.Position);
cout.Flush();
}
byte[] bytes = new byte[130];
{
CodedOutputStream cout = new CodedOutputStream(bytes);
// Field 1: numeric value: 500
cout.WriteTag(1, WireFormat.WireType.Varint);
Assert.AreEqual(1, cout.Position);
cout.WriteInt32(500);
Assert.AreEqual(3, cout.Position);
//Field 2: length delimited 120 bytes
cout.WriteTag(2, WireFormat.WireType.LengthDelimited);
Assert.AreEqual(4, cout.Position);
cout.WriteBytes(ByteString.CopyFrom(child));
Assert.AreEqual(125, cout.Position);
// Field 3: fixed numeric value: 500
cout.WriteTag(3, WireFormat.WireType.Fixed32);
Assert.AreEqual(126, cout.Position);
cout.WriteSFixed32(501);
Assert.AreEqual(130, cout.Position);
cout.Flush();
}
// Now test Input stream:
{
CodedInputStream cin = new CodedInputStream(new MemoryStream(bytes), new byte[50], 0, 0);
Assert.AreEqual(0, cin.Position);
// Field 1:
uint tag = cin.ReadTag();
Assert.AreEqual(1, tag >> 3);
Assert.AreEqual(1, cin.Position);
Assert.AreEqual(500, cin.ReadInt32());
Assert.AreEqual(3, cin.Position);
//Field 2:
tag = cin.ReadTag();
Assert.AreEqual(2, tag >> 3);
Assert.AreEqual(4, cin.Position);
int childlen = cin.ReadLength();
Assert.AreEqual(120, childlen);
Assert.AreEqual(5, cin.Position);
int oldlimit = cin.PushLimit((int)childlen);
Assert.AreEqual(5, cin.Position);
// Now we are reading child message
{
// Field 11: numeric value: 500
tag = cin.ReadTag();
Assert.AreEqual(11, tag >> 3);
Assert.AreEqual(6, cin.Position);
Assert.AreEqual(500, cin.ReadInt32());
Assert.AreEqual(8, cin.Position);
//Field 12: length delimited 120 bytes
tag = cin.ReadTag();
Assert.AreEqual(12, tag >> 3);
Assert.AreEqual(9, cin.Position);
ByteString bstr = cin.ReadBytes();
Assert.AreEqual(110, bstr.Length);
Assert.AreEqual((byte) 109, bstr[109]);
Assert.AreEqual(120, cin.Position);
// Field 13: fixed numeric value: 501
tag = cin.ReadTag();
Assert.AreEqual(13, tag >> 3);
// ROK - Previously broken here, this returned 126 failing to account for bufferSizeAfterLimit
Assert.AreEqual(121, cin.Position);
Assert.AreEqual(501, cin.ReadSFixed32());
Assert.AreEqual(125, cin.Position);
Assert.IsTrue(cin.IsAtEnd);
}
cin.PopLimit(oldlimit);
Assert.AreEqual(125, cin.Position);
// Field 3: fixed numeric value: 501
tag = cin.ReadTag();
Assert.AreEqual(3, tag >> 3);
Assert.AreEqual(126, cin.Position);
Assert.AreEqual(501, cin.ReadSFixed32());
Assert.AreEqual(130, cin.Position);
Assert.IsTrue(cin.IsAtEnd);
}
}
public void ReadMaliciouslyLargeBlob()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = new CodedOutputStream(ms);
uint tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteRawVarint32(0x7FFFFFFF);
output.WriteRawBytes(new byte[32]); // Pad with a few random bytes.
output.Flush();
ms.Position = 0;
CodedInputStream input = new CodedInputStream(ms);
Assert.AreEqual(tag, input.ReadTag());
Assert.Throws<InvalidProtocolBufferException>(() => input.ReadBytes());
}
public void ReadInvalidUtf8()
{
MemoryStream ms = new MemoryStream();
CodedOutputStream output = new CodedOutputStream(ms);
uint tag = WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited);
output.WriteRawVarint32(tag);
output.WriteRawVarint32(1);
output.WriteRawBytes(new byte[] {0x80});
output.Flush();
ms.Position = 0;
CodedInputStream input = new CodedInputStream(ms);
Assert.AreEqual(tag, input.ReadTag());
string text = input.ReadString();
Assert.AreEqual('\ufffd', text[0]);
}
public void SkipGroup_WrongEndGroupTag()
{
// Create an output stream with:
// Field 1: string "field 1"
// Start group 2
// Field 3: fixed int32
// End group 4 (should give an error)
var stream = new MemoryStream();
var output = new CodedOutputStream(stream);
output.WriteTag(1, WireFormat.WireType.LengthDelimited);
output.WriteString("field 1");
// The outer group...
output.WriteTag(2, WireFormat.WireType.StartGroup);
output.WriteTag(3, WireFormat.WireType.Fixed32);
output.WriteFixed32(100);
output.WriteTag(4, WireFormat.WireType.EndGroup);
output.Flush();
stream.Position = 0;
// Now act like a generated client
var input = new CodedInputStream(stream);
Assert.AreEqual(WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited), input.ReadTag());
Assert.AreEqual("field 1", input.ReadString());
Assert.AreEqual(WireFormat.MakeTag(2, WireFormat.WireType.StartGroup), input.ReadTag());
Assert.Throws<InvalidProtocolBufferException>(input.SkipLastField);
}
public void ReadTag_ZeroFieldRejected(byte tag)
{
CodedInputStream cis = new CodedInputStream(new byte[] { tag });
Assert.Throws <InvalidProtocolBufferException>(() => cis.ReadTag());
}
public void Tag0Throws()
{
var input = new CodedInputStream(new byte[] { 0 });
Assert.Throws<InvalidProtocolBufferException>(() => input.ReadTag());
}
public void EndOfStreamReachedWhileSkippingGroup()
{
var stream = new MemoryStream();
var output = new CodedOutputStream(stream);
output.WriteTag(1, WireFormat.WireType.StartGroup);
output.WriteTag(2, WireFormat.WireType.StartGroup);
output.WriteTag(2, WireFormat.WireType.EndGroup);
output.Flush();
stream.Position = 0;
// Now act like a generated client
var input = new CodedInputStream(stream);
input.ReadTag();
Assert.Throws<InvalidProtocolBufferException>(input.SkipLastField);
}
public void TestSlowPathAvoidance()
{
using (var ms = new MemoryStream())
{
CodedOutputStream output = new CodedOutputStream(ms);
output.WriteTag(1, WireFormat.WireType.LengthDelimited);
output.WriteBytes(ByteString.CopyFrom(new byte[100]));
output.WriteTag(2, WireFormat.WireType.LengthDelimited);
output.WriteBytes(ByteString.CopyFrom(new byte[100]));
output.Flush();
ms.Position = 0;
CodedInputStream input = new CodedInputStream(ms, new byte[ms.Length / 2], 0, 0);
uint tag = input.ReadTag();
Assert.AreEqual(1, WireFormat.GetTagFieldNumber(tag));
Assert.AreEqual(100, input.ReadBytes().Length);
tag = input.ReadTag();
Assert.AreEqual(2, WireFormat.GetTagFieldNumber(tag));
Assert.AreEqual(100, input.ReadBytes().Length);
}
}
public void RogueEndGroupTag()
{
// If we have an end-group tag without a leading start-group tag, generated
// code will just call SkipLastField... so that should fail.
var stream = new MemoryStream();
var output = new CodedOutputStream(stream);
output.WriteTag(1, WireFormat.WireType.EndGroup);
output.Flush();
stream.Position = 0;
var input = new CodedInputStream(stream);
Assert.AreEqual(WireFormat.MakeTag(1, WireFormat.WireType.EndGroup), input.ReadTag());
Assert.Throws<InvalidProtocolBufferException>(input.SkipLastField);
}
public void SkipGroup()
{
// Create an output stream with a group in:
// Field 1: string "field 1"
// Field 2: group containing:
// Field 1: fixed int32 value 100
// Field 2: string "ignore me"
// Field 3: nested group containing
// Field 1: fixed int64 value 1000
// Field 3: string "field 3"
var stream = new MemoryStream();
var output = new CodedOutputStream(stream);
output.WriteTag(1, WireFormat.WireType.LengthDelimited);
output.WriteString("field 1");
// The outer group...
output.WriteTag(2, WireFormat.WireType.StartGroup);
output.WriteTag(1, WireFormat.WireType.Fixed32);
output.WriteFixed32(100);
output.WriteTag(2, WireFormat.WireType.LengthDelimited);
output.WriteString("ignore me");
// The nested group...
output.WriteTag(3, WireFormat.WireType.StartGroup);
output.WriteTag(1, WireFormat.WireType.Fixed64);
output.WriteFixed64(1000);
// Note: Not sure the field number is relevant for end group...
output.WriteTag(3, WireFormat.WireType.EndGroup);
// End the outer group
output.WriteTag(2, WireFormat.WireType.EndGroup);
output.WriteTag(3, WireFormat.WireType.LengthDelimited);
output.WriteString("field 3");
output.Flush();
stream.Position = 0;
// Now act like a generated client
var input = new CodedInputStream(stream);
Assert.AreEqual(WireFormat.MakeTag(1, WireFormat.WireType.LengthDelimited), input.ReadTag());
Assert.AreEqual("field 1", input.ReadString());
Assert.AreEqual(WireFormat.MakeTag(2, WireFormat.WireType.StartGroup), input.ReadTag());
input.SkipLastField(); // Should consume the whole group, including the nested one.
Assert.AreEqual(WireFormat.MakeTag(3, WireFormat.WireType.LengthDelimited), input.ReadTag());
Assert.AreEqual("field 3", input.ReadString());
}
public void TestCodedInputOutputPosition()
{
byte[] content = new byte[110];
for (int i = 0; i < content.Length; i++)
{
content[i] = (byte)i;
}
byte[] child = new byte[120];
{
MemoryStream ms = new MemoryStream(child);
CodedOutputStream cout = new CodedOutputStream(ms, 20);
// Field 11: numeric value: 500
cout.WriteTag(11, WireFormat.WireType.Varint);
Assert.AreEqual(1, cout.Position);
cout.WriteInt32(500);
Assert.AreEqual(3, cout.Position);
//Field 12: length delimited 120 bytes
cout.WriteTag(12, WireFormat.WireType.LengthDelimited);
Assert.AreEqual(4, cout.Position);
cout.WriteBytes(ByteString.CopyFrom(content));
Assert.AreEqual(115, cout.Position);
// Field 13: fixed numeric value: 501
cout.WriteTag(13, WireFormat.WireType.Fixed32);
Assert.AreEqual(116, cout.Position);
cout.WriteSFixed32(501);
Assert.AreEqual(120, cout.Position);
cout.Flush();
}
byte[] bytes = new byte[130];
{
CodedOutputStream cout = new CodedOutputStream(bytes);
// Field 1: numeric value: 500
cout.WriteTag(1, WireFormat.WireType.Varint);
Assert.AreEqual(1, cout.Position);
cout.WriteInt32(500);
Assert.AreEqual(3, cout.Position);
//Field 2: length delimited 120 bytes
cout.WriteTag(2, WireFormat.WireType.LengthDelimited);
Assert.AreEqual(4, cout.Position);
cout.WriteBytes(ByteString.CopyFrom(child));
Assert.AreEqual(125, cout.Position);
// Field 3: fixed numeric value: 500
cout.WriteTag(3, WireFormat.WireType.Fixed32);
Assert.AreEqual(126, cout.Position);
cout.WriteSFixed32(501);
Assert.AreEqual(130, cout.Position);
cout.Flush();
}
// Now test Input stream:
{
CodedInputStream cin = new CodedInputStream(new MemoryStream(bytes), new byte[50], 0, 0);
Assert.AreEqual(0, cin.Position);
// Field 1:
uint tag = cin.ReadTag();
Assert.AreEqual(1, tag >> 3);
Assert.AreEqual(1, cin.Position);
Assert.AreEqual(500, cin.ReadInt32());
Assert.AreEqual(3, cin.Position);
//Field 2:
tag = cin.ReadTag();
Assert.AreEqual(2, tag >> 3);
Assert.AreEqual(4, cin.Position);
int childlen = cin.ReadLength();
Assert.AreEqual(120, childlen);
Assert.AreEqual(5, cin.Position);
int oldlimit = cin.PushLimit((int)childlen);
Assert.AreEqual(5, cin.Position);
// Now we are reading child message
{
// Field 11: numeric value: 500
tag = cin.ReadTag();
Assert.AreEqual(11, tag >> 3);
Assert.AreEqual(6, cin.Position);
Assert.AreEqual(500, cin.ReadInt32());
Assert.AreEqual(8, cin.Position);
//Field 12: length delimited 120 bytes
tag = cin.ReadTag();
Assert.AreEqual(12, tag >> 3);
Assert.AreEqual(9, cin.Position);
ByteString bstr = cin.ReadBytes();
Assert.AreEqual(110, bstr.Length);
Assert.AreEqual((byte)109, bstr[109]);
Assert.AreEqual(120, cin.Position);
// Field 13: fixed numeric value: 501
tag = cin.ReadTag();
Assert.AreEqual(13, tag >> 3);
// ROK - Previously broken here, this returned 126 failing to account for bufferSizeAfterLimit
Assert.AreEqual(121, cin.Position);
Assert.AreEqual(501, cin.ReadSFixed32());
Assert.AreEqual(125, cin.Position);
Assert.IsTrue(cin.IsAtEnd);
}
cin.PopLimit(oldlimit);
Assert.AreEqual(125, cin.Position);
// Field 3: fixed numeric value: 501
tag = cin.ReadTag();
Assert.AreEqual(3, tag >> 3);
Assert.AreEqual(126, cin.Position);
Assert.AreEqual(501, cin.ReadSFixed32());
Assert.AreEqual(130, cin.Position);
Assert.IsTrue(cin.IsAtEnd);
}
}
void Read(CodedInputStream stream)
{
byte code = (byte) stream.ReadTag();
byte digestSize = (byte) stream.ReadLength();
Algorithm = HashingAlgorithm.Codes[code];
if (Algorithm == null)
{
Algorithm = HashingAlgorithm.Register("ipfs-" + code, code, digestSize);
RaiseUnknownHashingAlgorithm(Algorithm);
}
else if (digestSize != Algorithm.DigestSize)
{
throw new InvalidDataException(string.Format("The digest size {0} is wrong for {1}; it should be {2}.", digestSize, Algorithm.Name, Algorithm.DigestSize));
}
Digest = stream.ReadSomeBytes(digestSize);
}
