public void HttpReadLine_Breaked()
{
var l7Conversation = this.ReassembleSingleL7Conversation <TcpConversationTracker>(TestPcapFile.HttpTest0);
var stream = new PduDataStream(l7Conversation, PduDataProviderType.Breaked);
var pduStreamReader = new PduStreamReader(stream, Encoding.ASCII);
Assert.False(pduStreamReader.EndOfStream);
Assert.Equal("GET / HTTP/1.1", pduStreamReader.ReadLine());
Assert.Equal("Host: icanhazip.com", pduStreamReader.ReadLine());
Assert.Equal("User-Agent: curl/7.54.0", pduStreamReader.ReadLine());
Assert.Equal("Accept: */*", pduStreamReader.ReadLine());
Assert.Equal("", pduStreamReader.ReadLine());
Assert.True(pduStreamReader.EndOfStream);
Assert.True(pduStreamReader.NewMessage());
Assert.False(pduStreamReader.EndOfStream);
var s = pduStreamReader.ReadToEnd();
Assert.Equal(597, s.Length);
Assert.StartsWith("HTTP/1.1 200 OK", s);
Assert.EndsWith("147.229.14.29\n", s);
Assert.True(pduStreamReader.EndOfStream);
}
private Byte[] ReadChunk(PduStreamReader reader)
{
var chunkSizeLine = reader.ReadLine()?.Trim();
if (chunkSizeLine == null)
{
return(null);
}
var chunkSize = Convert.ToInt32(chunkSizeLine, 16);
if (chunkSize == 0)
{
return(null);
}
var chunkBuffer = new Byte[chunkSize];
var readTotal = 0;
do
{
var read = reader.Read(chunkBuffer, readTotal, chunkSize - readTotal);
if (read == 0)
{
return(null);
}
readTotal += read;
} while(readTotal < chunkSize);
if (reader.ReadLine() == null)
{
return(null);
}
return(chunkBuffer);
}
private Boolean ParseHeader(PduStreamReader reader)
{
var headerLine = reader.ReadLine();
if (headerLine == null)
{
this.ParsingError = new HttpParsingException("Nothing to read");
return(false);
}
if (Enum.TryParse(headerLine.Split(' ').FirstOrDefault(), true, out HttpRequestMethod httpRequestMethod))
{
// HTTP Request
this.Header = new HttpHeaderRequest(reader, headerLine, httpRequestMethod);
}
else if (headerLine.StartsWith("HTTP"))
{
// HTTP Response
this.Header = new HttpHeaderResponse(reader, headerLine);
}
else
{
this.ParsingError = new HttpParsingException("Not a HTTP message");
return(false);
}
switch (this.Header)
{
case HttpHeaderRequest _:
this.Type = HttpMessageType.Request;
break;
case HttpHeaderResponse _:
this.Type = HttpMessageType.Response;
break;
default:
this.Type = HttpMessageType.None;
break;
}
return(true);
}
protected void ParseHeaderValues(PduStreamReader reader)
{
String line;
while ((line = reader.ReadLine()) != null && line != "")
{
var fieldNameIndex = line.IndexOf(':');
var fieldName = line.Substring(0, fieldNameIndex).ToLower();
var fieldValue = line.Substring(fieldNameIndex + 1, line.Length - fieldName.Length - 1).Trim().ToLower();
if (this.Fields.ContainsKey(fieldName))
{
this.Fields[fieldName].Add(fieldValue);
}
else
{
this.Fields[fieldName] = new List <String> {
fieldValue
};
}
}
}
