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Diffstat (limited to 'nxcomp/src/ListFontsReply.cpp')
| -rw-r--r-- | nxcomp/src/ListFontsReply.cpp | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/nxcomp/src/ListFontsReply.cpp b/nxcomp/src/ListFontsReply.cpp new file mode 100644 index 000000000..16be522a1 --- /dev/null +++ b/nxcomp/src/ListFontsReply.cpp @@ -0,0 +1,213 @@ +/**************************************************************************/ +/* */ +/* 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. */ +/* */ +/**************************************************************************/ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "ListFontsReply.h" + +#include "ServerCache.h" + +#include "EncodeBuffer.h" +#include "DecodeBuffer.h" + +// +// Set the verbosity level. +// + +#define PANIC +#define WARNING +#undef DUMP +#undef TEST +#undef DEBUG + +ListFontsReplyStore::ListFontsReplyStore(StaticCompressor *compressor) + + : MessageStore(compressor) +{ + enableCache = LISTFONTSREPLY_ENABLE_CACHE; + enableData = LISTFONTSREPLY_ENABLE_DATA; + enableSplit = LISTFONTSREPLY_ENABLE_SPLIT; + + // Since ProtoStep7 (#issue 108) + enableCompress = LISTFONTSREPLY_ENABLE_COMPRESS_IF_PROTO_STEP_7; + + dataLimit = LISTFONTSREPLY_DATA_LIMIT; + dataOffset = LISTFONTSREPLY_DATA_OFFSET; + + cacheSlots = LISTFONTSREPLY_CACHE_SLOTS; + cacheThreshold = LISTFONTSREPLY_CACHE_THRESHOLD; + cacheLowerThreshold = LISTFONTSREPLY_CACHE_LOWER_THRESHOLD; + + messages_ -> resize(cacheSlots); + + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + *i = NULL; + } + + temporary_ = NULL; +} + +ListFontsReplyStore::~ListFontsReplyStore() +{ + for (T_messages::iterator i = messages_ -> begin(); + i < messages_ -> end(); i++) + { + destroy(*i); + } + + destroy(temporary_); +} + +// +// Here are the methods to handle messages' content. +// + +int ListFontsReplyStore::parseIdentity(Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + ListFontsReplyMessage *listFontsReply = (ListFontsReplyMessage *) message; + + // + // Here is the fingerprint. + // + + listFontsReply -> number_of_names = GetUINT(buffer + 8, bigEndian); + + // + // Clean up padding bytes. + // + + if ((int) size > dataOffset) + { + unsigned int current; + unsigned int length; + unsigned int nstringInNames; + + unsigned char *end = NULL; + unsigned char *pad = NULL; + + #ifdef DUMP + + *logofs << "\n" << logofs_flush; + + *logofs << "Number of STRING8 " << listFontsReply -> number_of_names << ".\n" << logofs_flush; + + *logofs << "Size " << size << ".\n" << logofs_flush; + + DumpHexData(buffer, size); + + *logofs << "\n" << logofs_flush; + + #endif + + length = LISTFONTSREPLY_DATA_OFFSET; + + for (nstringInNames = 0; + nstringInNames < listFontsReply -> number_of_names && + listFontsReply -> number_of_names > 0; + nstringInNames++) + { + // + // Start with offset LISTFONTSREPLY_DATA_OFFSET 32. + // + + current = buffer[length]; + + length += current + 1; + + #ifdef DUMP + *logofs << "\nString number : " << nstringInNames << " Current length : " + << current << "\n" << logofs_flush; + #endif + } + + #ifdef DUMP + *logofs << "\nFinal length " << length << "\n" << logofs_flush; + #endif + + end = ((unsigned char *) buffer) + size; + + for (pad = ((unsigned char *) buffer) + length; pad < end; pad++) + { + *pad = 0; + + #ifdef DUMP + *logofs << "\nPadding ." << "\n" << logofs_flush; + #endif + } + } + + #ifdef DEBUG + *logofs << name() << ": Parsed identity for message at " << message << ".\n" << logofs_flush; + #endif + + return 1; +} + +int ListFontsReplyStore::unparseIdentity(const Message *message, unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + ListFontsReplyMessage *listFontsReply = (ListFontsReplyMessage *) message; + + // + // Fill all the message's fields. + // + + PutUINT(listFontsReply -> number_of_names, buffer + 8, bigEndian); + + #ifdef DEBUG + *logofs << name() << ": Unparsed identity for message at " + << message << ".\n" << logofs_flush; + #endif + + return 1; +} + +void ListFontsReplyStore::dumpIdentity(const Message *message) const +{ + #ifdef DUMP + + ListFontsReplyMessage *listFontsReply = (ListFontsReplyMessage *) message; + + *logofs << name() << ": Identity number_of_names " + << listFontsReply -> number_of_names << ", size " + << listFontsReply -> size_ << ".\n"; + + #endif +} + +void ListFontsReplyStore::identityChecksum(const Message *message, const unsigned char *buffer, + unsigned int size, int bigEndian) const +{ + // + // Field number_of_names. + // + + md5_append(md5_state_, buffer + 8, 2); +} |