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cosmetics on http server

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This commit is contained in:
UbitUmarov
2020-07-24 17:12:38 +01:00
parent e0aff5e640
commit d9a680703f
2 changed files with 106 additions and 87 deletions
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178
OpenSim/Framework/Servers/HttpServer/OSHttpServer/HttpRequestParser.cs
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@@ -224,21 +224,24 @@ namespace OSHttpServer.Parser
m_log.Write(this, LogPrio.Warning, "HTTP Request is too large.");
throw new BadRequestException("Too large request line.");
}
if (char.IsLetterOrDigit(ch) && startPos == -1)
startPos = currentPos;
if (startPos == -1 && (ch != '\r' || nextCh != '\n'))
if (startPos == -1)
{
m_log.Write(this, LogPrio.Warning, "Request line is not found.");
throw new BadRequestException("Invalid request line.");
if(char.IsLetterOrDigit(ch))
startPos = currentPos;
else if (ch != '\r' || nextCh != '\n')
{
m_log.Write(this, LogPrio.Warning, "Request line is not found.");
throw new BadRequestException("Invalid request line.");
}
}
if (startPos != -1 && (ch == '\r' || ch == '\n'))
else if(ch == '\r' || ch == '\n')
{
int size = GetLineBreakSize(buffer, currentPos);
OnFirstLine(Encoding.UTF8.GetString(buffer, startPos, currentPos - startPos));
CurrentState = CurrentState + 1;
currentPos += size - 1;
handledBytes = currentPos + size - 1;
handledBytes = currentPos;
startPos = -1;
CurrentState = RequestParserState.HeaderName;
}
break;
case RequestParserState.HeaderName:
@@ -273,19 +276,20 @@ namespace OSHttpServer.Parser
}
m_curHeaderName = Encoding.UTF8.GetString(buffer, startPos, currentPos - startPos);
handledBytes = currentPos + 1;
startPos = -1;
CurrentState = CurrentState + 1;
startPos = handledBytes;
if (ch == ':')
CurrentState = CurrentState + 1;
CurrentState = RequestParserState.Between;
else
CurrentState = RequestParserState.AfterName;
}
else if (startPos == -1)
startPos = currentPos;
else if (!char.IsLetterOrDigit(ch) && ch != '-')
{
m_log.Write(this, LogPrio.Warning, "Invalid character in header name on line " + currentLine);
throw new BadRequestException("Invalid character in header name on line " + currentLine);
}
if (startPos != -1 && currentPos - startPos > 200)
if (startPos == -1)
startPos = currentPos;
else if (currentPos - startPos > 200)
{
m_log.Write(this, LogPrio.Warning, "Invalid header name on line " + currentLine);
throw new BadRequestException("Invalid header name on line " + currentLine);
@@ -295,85 +299,103 @@ namespace OSHttpServer.Parser
if (ch == ':')
{
handledBytes = currentPos + 1;
CurrentState = CurrentState + 1;
startPos = currentPos;
CurrentState = RequestParserState.Between;
}
else if(currentPos - startPos > 256)
{
m_log.Write(this, LogPrio.Warning, "missing header aftername ':' " + currentLine);
throw new BadRequestException("missing header aftername ':' " + currentLine);
}
break;
case RequestParserState.Between:
{
if (ch == ' ' || ch == '\t')
continue;
int newLineSize = GetLineBreakSize(buffer, currentPos);
if (newLineSize > 0 && currentPos + newLineSize < endOfBufferPos &&
char.IsWhiteSpace((char)buffer[currentPos + newLineSize]))
{
++currentPos;
continue;
if (currentPos - startPos > 256)
{
m_log.Write(this, LogPrio.Warning, "header value too far" + currentLine);
throw new BadRequestException("header value too far" + currentLine);
}
}
startPos = currentPos;
CurrentState = CurrentState + 1;
handledBytes = currentPos;
continue;
else
{
int newLineSize = GetLineBreakSize(buffer, currentPos);
if (newLineSize > 0 && currentPos + newLineSize < endOfBufferPos &&
char.IsWhiteSpace((char)buffer[currentPos + newLineSize]))
{
if (currentPos - startPos > 256)
{
m_log.Write(this, LogPrio.Warning, "header value too" + currentLine);
throw new BadRequestException("header value too far" + currentLine);
}
++currentPos;
}
else
{
startPos = currentPos;
handledBytes = currentPos;
CurrentState = RequestParserState.HeaderValue;
}
}
break;
}
case RequestParserState.HeaderValue:
{
if (ch != '\r' && ch != '\n')
continue;
int newLineSize = GetLineBreakSize(buffer, currentPos);
if (startPos == -1)
continue; // allow new lines before start of value
if (m_curHeaderName == string.Empty)
throw new BadRequestException("Missing header on line " + currentLine);
if (startPos == -1)
if (ch == '\r' || ch == '\n')
{
m_log.Write(this, LogPrio.Warning, "Missing header value for '" + m_curHeaderName);
throw new BadRequestException("Missing header value for '" + m_curHeaderName);
}
if (currentPos - startPos > 8190)
{
m_log.Write(this, LogPrio.Warning, "Too large header value on line " + currentLine);
throw new BadRequestException("Too large header value on line " + currentLine);
}
if (m_curHeaderName == string.Empty)
throw new BadRequestException("Missing header on line " + currentLine);
if (currentPos - startPos > 8190)
{
m_log.Write(this, LogPrio.Warning, "Too large header value on line " + currentLine);
throw new BadRequestException("Too large header value on line " + currentLine);
}
// Header fields can be extended over multiple lines by preceding each extra line with at
// least one SP or HT.
if (endOfBufferPos > currentPos + newLineSize
&& (buffer[currentPos + newLineSize] == ' ' || buffer[currentPos + newLineSize] == '\t'))
{
if (startPos != -1)
m_curHeaderValue = Encoding.UTF8.GetString(buffer, startPos, currentPos - startPos);
// Header fields can be extended over multiple lines by preceding each extra line with at
// least one SP or HT.
int newLineSize = GetLineBreakSize(buffer, currentPos);
if (endOfBufferPos > currentPos + newLineSize
&& (buffer[currentPos + newLineSize] == ' ' || buffer[currentPos + newLineSize] == '\t'))
{
if (startPos != -1)
m_curHeaderValue += Encoding.UTF8.GetString(buffer, startPos, currentPos - startPos);
m_log.Write(this, LogPrio.Trace, "Header value is on multiple lines.");
CurrentState = RequestParserState.Between;
startPos = -1;
currentPos += newLineSize - 1;
handledBytes = currentPos + newLineSize - 1;
continue;
}
m_log.Write(this, LogPrio.Trace, "Header value is on multiple lines.");
CurrentState = RequestParserState.Between;
currentPos += newLineSize - 1;
startPos = currentPos;
handledBytes = currentPos;
}
else
{
m_curHeaderValue += Encoding.UTF8.GetString(buffer, startPos, currentPos - startPos);
m_log.Write(this, LogPrio.Trace, "Header [" + m_curHeaderName + ": " + m_curHeaderValue + "]");
OnHeader(m_curHeaderName, m_curHeaderValue);
m_curHeaderValue += Encoding.UTF8.GetString(buffer, startPos, currentPos - startPos);
m_log.Write(this, LogPrio.Trace, "Header [" + m_curHeaderName + ": " + m_curHeaderValue + "]");
OnHeader(m_curHeaderName, m_curHeaderValue);
startPos = -1;
CurrentState = RequestParserState.HeaderName;
m_curHeaderValue = string.Empty;
m_curHeaderName = string.Empty;
currentPos += newLineSize - 1;
handledBytes = currentPos;
startPos = -1;
CurrentState = RequestParserState.HeaderName;
m_curHeaderValue = string.Empty;
m_curHeaderName = string.Empty;
++currentPos;
handledBytes = currentPos + 1;
// Check if we got a colon so we can cut header name, or crlf for end of header.
bool canContinue = false;
for (int j = currentPos; j < endOfBufferPos; ++j)
{
if (buffer[j] != ':' && buffer[j] != '\r' && buffer[j] != '\n') continue;
canContinue = true;
break;
}
if (!canContinue)
{
m_log.Write(this, LogPrio.Trace, "Cant continue, no colon.");
return currentPos + 1;
// Check if we got a colon so we can cut header name, or crlf for end of header.
bool canContinue = false;
for (int j = currentPos; j < endOfBufferPos; ++j)
{
if (buffer[j] != ':' && buffer[j] != '\r' && buffer[j] != '\n')
continue;
canContinue = true;
break;
}
if (!canContinue)
{
m_log.Write(this, LogPrio.Trace, "Cant continue, no colon.");
return currentPos + 1;
}
}
}
}
break;