static u_int ieee802_11_print(struct smartconfig *sc, const u_char * p,
u_int length, u_int orig_caplen, uint16_t channel)
{
uint16_t fc;
fc = EXTRACT_LE_16BITS(p);
uint32_t fcs = *(uint32_t *) (p + length - 4);
uint32_t crc = getcrc32(p, length - 4);
if (fcs == crc) {
if (FC_TYPE(fc) == T_DATA) {
data_header_print(sc, fc, p, channel);
}
}
return 0;
}
bool CExeFile::readData(const char episode, const std::string& datadirectory)
{
crc32_init();
std::string filename = datadirectory + "/keen" + itoa(episode) + ".exe";
std::ifstream File;
OpenGameFileR(File, filename, std::ios::binary);
if(!File)
{
// try another filename (Used in Episode 4-6)
filename = datadirectory + "/keen" + itoa(episode) + "e.exe";
OpenGameFileR(File, filename, std::ios::binary);
}
if(!File)
{
// try another filename (Used in Episode 4-6) for demo versions
filename = datadirectory + "/k" + itoa(episode) + "demo.exe";
OpenGameFileR(File, filename, std::ios::binary);
}
if(!File)
return false;
m_filename = filename;
m_episode = episode;
m_datadirectory = datadirectory;
if( m_datadirectory != "") if(*(m_datadirectory.end()-1) != '/') m_datadirectory += "/";
File.seekg(0,std::ios::end);
m_datasize = File.tellg();
File.seekg(0,std::ios::beg);
SAFE_DELETE_ARRAY(m_data);
unsigned char* m_data_temp = new unsigned char[m_datasize];
File.read((char*)m_data_temp, m_datasize);
File.close();
Cunlzexe UnLZEXE;
std::vector<unsigned char> decdata;
if(UnLZEXE.decompress(m_data_temp, decdata))
{
m_datasize = decdata.size();
m_data = new unsigned char[m_datasize];
m_headersize = UnLZEXE.HeaderSize();
memcpy(m_data, &decdata[0], m_datasize);
}
else
{
m_data = new unsigned char[m_datasize];
memcpy(m_data, m_data_temp,m_datasize);
}
m_headerdata = m_data;
m_headersize = UnLZEXE.HeaderSize();
if(!m_headersize) m_headersize = 512;
m_rawdata = m_data + m_headersize;
const size_t offset_map[] = {
/*Dummy:*/ 0x0,
/*Keen 1:*/ 0x13050,
/*Keen 2:*/ 0x17780,
/*Keen 3:*/ 0x19820,
/*Keen 4:*/ 0x2EE70,
/*Keen 5:*/ 0x30340,
/*Keen 6:*/ 0x30D30,
/*Keen D:*/ 0x23A70
};
m_data_segment = m_rawdata+offset_map[m_episode];
delete[] m_data_temp;
m_crc = getcrc32( m_data, m_datasize );
g_pLogFile->ftextOut( "EXE processed with size of %d and crc of %X\n", m_datasize, m_crc );
return true;
}
