static public MsDosHeader readMSDOSHeader(SourceFile source)
{
MsDosHeader dosHeader = new MsDosHeader();
dosHeader.signature = source.getTwo();
if (dosHeader.signature != 0x5a4d)
{
throw new Win32ReadException("this is not a valid win32 executable file");
}
dosHeader.lastsize = source.getTwo();
dosHeader.nblocks = source.getTwo();
dosHeader.nreloc = source.getTwo();
dosHeader.hdrsize = source.getTwo();
dosHeader.minalloc = source.getTwo();
dosHeader.maxalloc = source.getTwo();
dosHeader.ss = source.getTwo();
dosHeader.sp = source.getTwo();
dosHeader.checksum = source.getTwo();
dosHeader.ip = source.getTwo();
dosHeader.cs = source.getTwo();
dosHeader.relocpos = source.getTwo();
dosHeader.noverlay = source.getTwo();
dosHeader.reserved1 = source.getRange(8);
dosHeader.oem_id = source.getTwo();
dosHeader.oem_info = source.getTwo();
dosHeader.reserved2 = source.getRange(20);
dosHeader.e_lfanew = source.getFour();
return(dosHeader);
}
public void loadStringTable(SourceFile source)
{
uint pos = symbolTblAddr + (symbolCount * 0x12);
source.seek(pos);
uint len = source.getFour() - 4;
byte[] data = source.getRange(len);
String str = "";
int idx = 4;
for (int i = 0; i < len; i++)
{
if (data[i] != 0)
{
str += (char)data[i];
}
else
{
stringTbl.Add(idx, str);
str = "";
idx = i + 5;
}
}
}
//- reading in ----------------------------------------------------------------
public static Section loadSection(SourceFile source)
{
Section section = new Section();
section.secName = source.getAsciiString(8);
section.memsize = source.getFour();
section.memloc = source.getFour();
section.filesize = source.getFour();
section.fileloc = source.getFour();
section.pRelocations = source.getFour();
section.pLinenums = source.getFour();
section.relocCount = (int)source.getTwo();
section.linenumCount = (int)source.getTwo();
section.flags = source.getFour();
section.data = source.getRange(section.fileloc, section.filesize); //load section data
return(section);
}
//leaf node of resource directory tree, this rec points to actual data
private void parseResourceData(SourceFile source)
{
uint datapos = source.getFour();
uint datasize = source.getFour();
uint codepage = source.getFour();
uint reserved = source.getFour();
datapos -= resourceRVA;
byte[] resdata = source.getRange(datapos, datasize); //get resource data
//get the store type/id/lang vals we stored in our decent to this node
uint restype = resIdNameValues[0];
uint resid = resIdNameValues[1];
String resname = (resid >= 0x80000000) ? getResourceName(source, resid) : null;
uint reslang = resIdNameValues[2];
switch (restype)
{
case 1:
ResData curdata = new ResData(resid, resname, reslang, resdata);
cursorItems.Add(curdata);
break;
case 2:
Bitmap bmp = ResBitmap.parseData(resdata);
addBitmap(resid, resname, reslang, bmp);
getDataItem(bitmaps, resid, resname).getItem(reslang).dataBuf = resdata;
break;
case 3:
ResData icondata = new ResData(resid, resname, reslang, resdata);
iconItems.Add(icondata);
break;
case 4:
addMenu(resid, resname, reslang, resdata);
//List<String> menu = ResMenu.parseData(resdata);
//addMenu(resid, resname, reslang, menu);
getDataItem(menus, resid, resname).getItem(reslang).dataBuf = resdata;
break;
case 5:
addDialog(resid, resname, reslang, resdata);
//List<String> dlg = ResDialog.parseData(resdata);
//addDialog(resid, resname, reslang, dlg);
getDataItem(dialogs, resid, resname).getItem(reslang).dataBuf = resdata;
break;
case 6:
List <String> strings = ResStringTable.parseData(resdata);
addStringTable(resid, resname, reslang, strings);
getDataItem(stringtable, resid, resname).getItem(reslang).dataBuf = resdata;
break;
case 7:
addFontDirectory(resid, resname, reslang, resdata);
getDataItem(fontDirectories, resid, resname).getItem(reslang).dataBuf = resdata;
break;
case 8:
addFont(resid, resname, reslang, resdata);
getDataItem(fonts, resid, resname).getItem(reslang).dataBuf = resdata;
break;
case 9:
List <String> accel = ResAccelerator.parseData(resdata);
addAccelerator(resid, resname, reslang, accel);
getDataItem(accelerators, resid, resname).getItem(reslang).dataBuf = resdata;
break;
case 10:
addUserData(resid, resname, reslang, resdata);
getDataItem(userData, resid, resname).getItem(reslang).dataBuf = resdata;
break;
case 12:
ResImageGroupData cg = ResImageGroupData.parseData(resdata);
addCursorGroup(resid, resname, reslang, cg);
getDataItem(cursorGroups, resid, resname).getItem(reslang).dataBuf = resdata;
break;
case 14:
ResImageGroupData ig = ResImageGroupData.parseData(resdata);
addIconGroup(resid, resname, reslang, ig);
getDataItem(iconGroups, resid, resname).getItem(reslang).dataBuf = resdata;
break;
case 16:
addVersion(resid, resname, reslang, resdata);
//List<String> version = ResVersion.parseData(resdata);
//addVersion(resid, resname, reslang, version);
getDataItem(versions, resid, resname).getItem(reslang).dataBuf = resdata;
break;
default:
addUserData(resid, resname, reslang, resdata);
getDataItem(userData, resid, resname).getItem(reslang).dataBuf = resdata;
break;
}
}
