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Diffstat (limited to 'nxcomp/ListFontsReply.cpp')
| -rw-r--r-- | nxcomp/ListFontsReply.cpp | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/nxcomp/ListFontsReply.cpp b/nxcomp/ListFontsReply.cpp new file mode 100644 index 000000000..5bace82f2 --- /dev/null +++ b/nxcomp/ListFontsReply.cpp @@ -0,0 +1,204 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2010 NoMachine, http://www.nomachine.com/. */ +/* */ +/* NXCOMP, NX protocol compression and NX extensions to this software */ +/* are copyright of NoMachine. Redistribution and use of the present */ +/* software is allowed according to terms specified in the file LICENSE */ +/* which comes in the source distribution. */ +/* */ +/* Check http://www.nomachine.com/licensing.html for applicability. */ +/* */ +/* NX and NoMachine are trademarks of Medialogic S.p.A. */ +/* */ +/* All rights reserved. */ +/* */ +/**************************************************************************/ + +#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; + enableCompress = LISTFONTSREPLY_ENABLE_COMPRESS; + + if (control -> isProtoStep7() == 1) + { + 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); +} |