void Display::reset(std::ostream& os) {
pthread_mutex_lock(&Display::mutex);
os.flush();
os.clear();
os.seekp(0);
pthread_mutex_unlock(&Display::mutex);
}
inline std::ostream& alert_stream()
{
// Double parentheses: don't parse comma as a macro parameter separator.
BOOST_STATIC_ASSERT((boost::is_base_and_derived<alert_buf,T>::value));
static T buffer_;
static std::ostream stream_(&buffer_);
stream_.clear();
stream_.exceptions(std::ios_base::failbit | std::ios_base::badbit);
return stream_;
}
void printHeading( std::ostream& outs, std::string title, int width, char border_char )
{
printHorizontalLine( outs, border_char, width );
printCenteredTitle( outs, title, width);
printHorizontalLine( outs, border_char, width );
//reset outs
outs.clear();
outs.fill(' ');
}
//Rebuild PE image and write it to "out" ostream
//If strip_dos_header is true, DOS headers partially will be used for PE headers
//If change_size_of_headers == true, SizeOfHeaders will be recalculated automatically
//If save_bound_import == true, existing bound import directory will be saved correctly (because some compilers and bind.exe put it to PE headers)
void rebuild_pe(pe_base& pe, std::ostream& out, bool strip_dos_header, bool change_size_of_headers, bool save_bound_import)
{
if(out.bad())
throw pe_exception("Stream is bad", pe_exception::stream_is_bad);
if(save_bound_import && pe.has_bound_import())
{
if(pe.section_data_length_from_rva(pe.get_directory_rva(image_directory_entry_bound_import), pe.get_directory_rva(image_directory_entry_bound_import), section_data_raw, true)
< pe.get_directory_size(image_directory_entry_bound_import))
throw pe_exception("Incorrect bound import directory", pe_exception::incorrect_bound_import_directory);
}
//Change ostream state
out.exceptions(std::ios::goodbit);
out.clear();
uint32_t original_bound_import_rva = pe.has_bound_import() ? pe.get_directory_rva(image_directory_entry_bound_import) : 0;
if(original_bound_import_rva && original_bound_import_rva > pe.get_size_of_headers())
{
//No need to do anything with bound import directory
//if it is placed inside of any section, not headers
original_bound_import_rva = 0;
save_bound_import = false;
}
{
image_dos_header dos_header;
//Rebuild PE image headers
rebuild_pe(pe, dos_header, strip_dos_header, change_size_of_headers, save_bound_import);
//Write DOS header
out.write(reinterpret_cast<const char*>(&dos_header), strip_dos_header ? 8 * sizeof(uint16_t) : sizeof(image_dos_header));
}
//If we have stub overlay, write it too
{
const std::string& stub = pe.get_stub_overlay();
if(stub.size())
{
out.write(stub.data(), stub.size());
size_t aligned_size = pe_utils::align_up(stub.size(), sizeof(uint32_t));
//Align PE header, which is right after rich overlay
while(aligned_size > stub.size())
{
out.put('\0');
--aligned_size;
}
}
}
//Write NT headers
out.write(static_cast<const pe_base&>(pe).get_nt_headers_ptr(), pe.get_sizeof_nt_header()
- sizeof(image_data_directory) * (image_numberof_directory_entries - pe.get_number_of_rvas_and_sizes()));
//Write section headers
const section_list& sections = pe.get_image_sections();
for(section_list::const_iterator it = sections.begin(); it != sections.end(); ++it)
{
out.write(reinterpret_cast<const char*>(&(*it).get_raw_header()), sizeof(image_section_header));
}
//Write bound import data if requested
if(save_bound_import && pe.has_bound_import())
{
out.write(pe.section_data_from_rva(original_bound_import_rva, section_data_raw, true),
pe.get_directory_size(image_directory_entry_bound_import));
}
//Write section data finally
for(section_list::const_iterator it = sections.begin(); it != sections.end(); ++it)
{
const section& s = *it;
std::streamoff wpos = out.tellp();
//Fill unused overlay data between sections with null bytes
for(unsigned int i = 0; i < s.get_pointer_to_raw_data() - wpos; i++)
out.put(0);
//Write raw section data
out.write(s.get_raw_data().data(), s.get_size_of_raw_data());
}
}
