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author | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2017-06-30 20:13:51 +0200 |
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committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2017-07-26 10:12:43 +0200 |
commit | f76c82403888bb498973ec974dbfd20e4edb02fe (patch) | |
tree | be0cb6c112d9d9fb46387fbd114727510197ddec /nxcomp/ClientReadBuffer.cpp | |
parent | 9193d11eeeea933e293acd5e0f03fa4e9887186b (diff) | |
download | nx-libs-f76c82403888bb498973ec974dbfd20e4edb02fe.tar.gz nx-libs-f76c82403888bb498973ec974dbfd20e4edb02fe.tar.bz2 nx-libs-f76c82403888bb498973ec974dbfd20e4edb02fe.zip |
nxcomp: Switch to autoreconf.
Diffstat (limited to 'nxcomp/ClientReadBuffer.cpp')
-rw-r--r-- | nxcomp/ClientReadBuffer.cpp | 174 |
1 files changed, 0 insertions, 174 deletions
diff --git a/nxcomp/ClientReadBuffer.cpp b/nxcomp/ClientReadBuffer.cpp deleted file mode 100644 index 37502038f..000000000 --- a/nxcomp/ClientReadBuffer.cpp +++ /dev/null @@ -1,174 +0,0 @@ -/**************************************************************************/ -/* */ -/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */ -/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */ -/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */ -/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */ -/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/ -/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */ -/* */ -/* NXCOMP, NX protocol compression and NX extensions to this software */ -/* are copyright of the aforementioned persons and companies. */ -/* */ -/* Redistribution and use of the present software is allowed according */ -/* to terms specified in the file LICENSE.nxcomp which comes in the */ -/* source distribution. */ -/* */ -/* All rights reserved. */ -/* */ -/* NOTE: This software has received contributions from various other */ -/* contributors, only the core maintainers and supporters are listed as */ -/* copyright holders. Please contact us, if you feel you should be listed */ -/* as copyright holder, as well. */ -/* */ -/**************************************************************************/ - -#include "ClientReadBuffer.h" - -#include "ClientChannel.h" - -#define PANIC -#define WARNING -#undef TEST -#undef DEBUG - -unsigned int ClientReadBuffer::suggestedLength(unsigned int pendingLength) -{ - // - // Even if the pending data is not - // enough to make a complete message, - // resize the buffer to accommodate - // it all. - // - - unsigned int readLength = pendingLength; - - if (pendingLength < remaining_) - { - readLength = remaining_; - } - - return readLength; -} - -int ClientReadBuffer::locateMessage(const unsigned char *start, - const unsigned char *end, - unsigned int &controlLength, - unsigned int &dataLength, - unsigned int &trailerLength) -{ - unsigned int size = end - start; - - #ifdef TEST - *logofs << "ClientReadBuffer: Locating message for FD#" - << transport_ -> fd() << " with " << size - << " bytes.\n" << logofs_flush; - #endif - - if (firstMessage_) - { - if (size < 12) - { - remaining_ = 12 - size; - - #ifdef TEST - *logofs << "ClientReadBuffer: No message was located " - << "with remaining " << remaining_ << ".\n" - << logofs_flush; - #endif - - return 0; - } - - if (*start == 0x42) - { - bigEndian_ = 1; - } - else - { - bigEndian_ = 0; - } - - channel_ -> setBigEndian(bigEndian_); - - dataLength = 12 + RoundUp4(GetUINT(start + 6, bigEndian_)) + - RoundUp4(GetUINT(start + 8, bigEndian_)); - - // - // Send the data immediately if this is unlikely - // to be a X connection attempt. - // - - if (dataLength > 4096) - { - #ifdef WARNING - *logofs << "ClientReadBuffer: WARNING! Flushing suspicious X " - << "connection with first request of " << dataLength - << " bytes.\n" << logofs_flush; - #endif - - dataLength = size; - } - } - else - { - if (size < 4) - { - remaining_ = 4 - size; - - #ifdef TEST - *logofs << "ClientReadBuffer: No message was located " - << "with remaining " << remaining_ << ".\n" - << logofs_flush; - #endif - - return 0; - } - - dataLength = (GetUINT(start + 2, bigEndian_) << 2); - - if (dataLength < 4) - { - #ifdef TEST - *logofs << "ClientReadBuffer: WARNING! Assuming length 4 " - << "for suspicious message of length " << dataLength - << ".\n" << logofs_flush; - #endif - - dataLength = 4; - } - } - - #ifdef TEST - *logofs << "ClientReadBuffer: Length of the next message is " - << dataLength << ".\n" << logofs_flush; - #endif - - if (size < dataLength) - { - remaining_ = dataLength - size; - - #ifdef TEST - *logofs << "ClientReadBuffer: No message was located " - << "with remaining " << remaining_ << ".\n" - << logofs_flush; - #endif - - return 0; - } - - firstMessage_ = 0; - - controlLength = 0; - trailerLength = 0; - - remaining_ = 0; - - #ifdef TEST - *logofs << "ClientReadBuffer: Located message with " - << "remaining " << remaining_ << ".\n" - << logofs_flush; - #endif - - return 1; -} |