public DSIGInfo(string filename)
{
fontfile = new OTFile();
tDSIG = null;
Warn_TTCv1 = false;
Warn_DSIG_in_memFonts = false;
Warn_MalformedSIG = false;
usNumSigs = 0;
if (!fontfile.open(filename))
{
throw new IOException("Cannot open file " + filename);
}
TTCHeader ttc = null;
if (fontfile.IsCollection())
{
ttc = fontfile.GetTTCHeader();
if (fontfile.GetTableManager().GetUnaliasedTableName(ttc.DsigTag) == "DSIG")
{
MBOBuffer buf = fontfile.ReadPaddedBuffer(ttc.DsigOffset, ttc.DsigLength);
tDSIG = (Table_DSIG)fontfile.GetTableManager().CreateTableObject(ttc.DsigTag, buf);
}
for (uint i = 0; i < fontfile.GetNumFonts(); i++)
{
OTFont fn = fontfile.GetFont(i);
Table_DSIG memDSIG = (Table_DSIG)fn.GetTable("DSIG");
if (memDSIG != null)
{
Warn_DSIG_in_memFonts = true;
break;
}
}
}
else
{
OTFont fn = fontfile.GetFont(0);
tDSIG = (Table_DSIG)fn.GetTable("DSIG");
}
HaveDSIG = ((tDSIG == null) ? false : true);
// Officially we should only warn if HaveDSIG true
if (fontfile.IsCollection() && ttc.version != 0x00020000)
{
Warn_TTCv1 = true;
}
if (HaveDSIG)
{
FurtherWork();
}
}
public void HeadCalculatedChecksumsTest()
{
OTFile f = TestFonts.GetOTFile_AndikaRegular();
uint? idx = f.GetFont(0).OffsetTable.GetTableRecordIndex((OTTag)("head"));
Assert.IsTrue(idx.HasValue);
OTTable table;
bool result = f.GetFont(0).TryGetTable((OTTag)("head"), out table);
Assert.IsTrue(result);
TableHead head = (TableHead)table;
Assert.AreEqual(head.CalculatedChecksum, head.TableRecordChecksum);
Assert.AreEqual(head.CalculatedCheckSumAdjustment, head.CheckSumAdjustment);
f = TestFonts.GetOTFile_CharisSILBold();
idx = f.GetFont(0).OffsetTable.GetTableRecordIndex((OTTag)("head"));
Assert.IsTrue(idx.HasValue);
table = null;
result = f.GetFont(0).TryGetTable((OTTag)("head"), out table);
Assert.IsTrue(result);
head = (TableHead)table;
Assert.AreEqual(head.CalculatedChecksum, head.TableRecordChecksum);
Assert.AreEqual(head.CalculatedCheckSumAdjustment, head.CheckSumAdjustment);
f = TestFonts.GetOTFile_CharisSILBoldItalic();
idx = f.GetFont(0).OffsetTable.GetTableRecordIndex((OTTag)("head"));
Assert.IsTrue(idx.HasValue);
table = null;
result = f.GetFont(0).TryGetTable((OTTag)("head"), out table);
Assert.IsTrue(result);
head = (TableHead)table;
Assert.AreEqual(head.CalculatedChecksum, head.TableRecordChecksum);
Assert.AreEqual(head.CalculatedCheckSumAdjustment, head.CheckSumAdjustment);
f = TestFonts.GetOTFile_NotoNastaliqUrduRegular();
idx = f.GetFont(0).OffsetTable.GetTableRecordIndex((OTTag)("head"));
Assert.IsTrue(idx.HasValue);
table = null;
result = f.GetFont(0).TryGetTable((OTTag)("head"), out table);
Assert.IsTrue(result);
head = (TableHead)table;
Assert.AreEqual(head.CalculatedChecksum, head.TableRecordChecksum);
Assert.AreEqual(head.CalculatedCheckSumAdjustment, head.CheckSumAdjustment);
f = TestFonts.GetOTFile_SelawikRegular();
idx = f.GetFont(0).OffsetTable.GetTableRecordIndex((OTTag)("head"));
Assert.IsTrue(idx.HasValue);
table = null;
result = f.GetFont(0).TryGetTable((OTTag)("head"), out table);
Assert.IsTrue(result);
head = (TableHead)table;
Assert.AreEqual(head.CalculatedChecksum, head.TableRecordChecksum);
Assert.AreEqual(head.CalculatedCheckSumAdjustment, head.CheckSumAdjustment);
}
public void FmtxTableTest()
{
// Table constructor for 'fmtx' will get the offset table record, calculate the table checksum
// and then read the remainder of the table.
OTFile f = TestFonts.GetOTFile_Skia();
uint? idx = f.GetFont(0).OffsetTable.GetTableRecordIndex((OTTag)("fmtx"));
Assert.IsTrue(idx.HasValue);
OTTable table;
bool result = f.GetFont(0).TryGetTable((OTTag)("fmtx"), out table);
Assert.IsTrue(result);
VerifySkiaFmtxTable((TableFmtx)(table));
}
public void HheaTableTest2()
{
// Table constructor for 'hhea' will get the offset table record, calculate the table checksum
// and then read the remainder of the table.
OTFile f = TestFonts.GetOTFile_SourceHanSans_Regular();
uint? idx = f.GetFont(0).OffsetTable.GetTableRecordIndex((OTTag)("hhea"));
Assert.IsTrue(idx.HasValue);
OTTable table;
bool result = f.GetFont(0).TryGetTable((OTTag)("hhea"), out table);
Assert.IsTrue(result);
VerifySourceHanSansHheaTable((TableHhea)(table));
}
public void OTFileFieldInitializationHandlingTest()
{
bool caughtExpectedException = false; // will set to true if expected exception is caught
OTFile target = new OTFile();
Assert.IsNull(target.GetFileInfo(), "Error: unexpected FileInfo");
Assert.IsNull(target.GetMemoryStream(), "Error: unexpected FileStream");
try
{
OTFont f = target.GetFont(0);
}
catch (NullReferenceException)
{
caughtExpectedException = true;
}
Assert.IsTrue(caughtExpectedException, "Error: expected exception not caught");
Assert.IsFalse(target.IsCollection, "Error: unexpected value in unopened OTFile");
Assert.IsFalse(target.IsSupportedFileType, "Error: unexpected value in unopened OTFile");
Assert.IsTrue(target.Length == 0, "Error: unexpected value in unopened OTFile");
Assert.IsTrue(target.NumFonts == 0, "Error: unexpected value in unopened OTFile");
Assert.IsNull(target.SfntVersionTag, "Error: unexpected value in unopened OTFile");
TtcHeader t = target.TtcHeader;
Assert.IsTrue(t.FileOffset == 0, "Error: unexpected value in unconfigured TtcHeader");
Assert.IsNull(t.TtcTag, "Error: unexpected value in unconfigured TtcHeader");
Assert.IsTrue(t.MajorVersion == 0, "Error: unexpected value in unconfigured TtcHeader");
Assert.IsTrue(t.MinorVersion == 0, "Error: unexpected value in unconfigured TtcHeader");
Assert.IsTrue(t.NumFonts == 0, "Error: unexpected value in unconfigured TtcHeader");
Assert.IsNull(t.OffsetTableOffsets, "Error: unexpected value in unconfigured TtcHeader");
Assert.IsNull(t.DSIGTag, "Error: unexpected value in unconfigured TtcHeader");
Assert.IsTrue(t.DSIGLength == 0, "Error: unexpected value in unconfigured TtcHeader");
Assert.IsTrue(t.DSIGOffset == 0, "Error: unexpected value in unconfigured TtcHeader");
Assert.IsFalse(t.HasDSIG, "Error: unexpected value in unconfigured TtcHeader");
}
public void OTFileOpenTest_ReadSingleFontOffsetTable()
{
OTFile target = new OTFile();
string FilePath = "TestData\\selawk.ttf";
try
{
target.ReadFromFile(FilePath);
}
catch (Exception)
{
// unexpected exception
}
Assert.IsTrue(target.SfntVersionTag == (OTTag)(0x00010000), "Error: unexpected sfnt tag");
OTFont f = target.GetFont(0);
Assert.IsTrue(f.OffsetInFile == 0, "Error: unexpected font offset");
Assert.IsTrue(f.SfntVersionTag == (OTTag)(0x00010000), "Error: unexpected font value");
Assert.IsFalse(f.IsWithinTtc, "Error: unexpected font value");
Assert.IsTrue(f.OffsetTable.OffsetInFile == 0, "Error: unexpected offset table offset");
Assert.IsTrue(f.OffsetTable.SfntVersion == (OTTag)(0x00010000), "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.NumTables == 15, "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.SearchRange == 0x0080, "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.EntrySelector == 0x0003, "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.RangeShift == 0x0070, "Error: unexpected font offset table value");
}
public void ColrTableTest()
{
// Table constructor for 'COLR' will get the offset table record, calculate the table checksum
// and then read the remainder of the table.
OTFile f = TestFonts.GetOTFile_BungeeColorRegular();
uint? idx = f.GetFont(0).OffsetTable.GetTableRecordIndex((OTTag)("COLR"));
Assert.IsTrue(idx.HasValue);
OTTable table;
bool result = f.GetFont(0).TryGetTable((OTTag)("COLR"), out table);
Assert.IsTrue(result);
VerifyBungeeColor_COLR((TableColr)(table));
}
public void OTFileOpenTest_ReadTtcHeaderAndOffsetTables()
{
OTFile target = new OTFile();
string FilePath = "TestData\\CAMBRIA.TTC";
try
{
target.ReadFromFile(FilePath);
}
catch (Exception)
{
// unexpected exception
}
Assert.IsTrue(target.SfntVersionTag == (OTTag)("ttcf"), "Error: unexpected sfnt tag");
// check one detail of ttc header
Assert.IsTrue(target.TtcHeader.DSIGOffset == 0x0018AB54, "Error: unexpected TtcHeader value");
Assert.IsTrue(target.NumFonts == 2, "Error: unexpected OTFile value");
Assert.IsTrue(target.Length == 1622732, "Error: unexpected OTFile value");
Assert.IsTrue(target.IsSupportedFileType, "Error: unexpected OTFile value");
Assert.IsTrue(target.IsCollection, "Error: unexpected OTFile value");
// now check that offset tables of both fonts are read
OTFont f = target.GetFont(0);
Assert.IsTrue(f.OffsetInFile == 0x20, "Error: unexpected font offset");
Assert.IsTrue(f.SfntVersionTag == (OTTag)(0x00010000), "Error: unexpected font value");
Assert.IsTrue(f.IsWithinTtc, "Error: unexpected font value");
Assert.IsTrue(f.OffsetTable.OffsetInFile == 0x20, "Error: unexpected offset table offset");
Assert.IsTrue(f.OffsetTable.SfntVersion == (OTTag)(0x00010000), "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.NumTables == 20, "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.SearchRange == 0x0100, "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.EntrySelector == 0x0004, "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.RangeShift == 64, "Error: unexpected font offset table value");
f = target.GetFont(1);
Assert.IsTrue(f.OffsetInFile == 0x16C, "Error: unexpected font offset");
Assert.IsTrue(f.SfntVersionTag == (OTTag)(0x00010000), "Error: unexpected font value");
Assert.IsTrue(f.IsWithinTtc, "Error: unexpected font value");
Assert.IsTrue(f.OffsetTable.OffsetInFile == 0x16C, "Error: unexpected offset table offset");
Assert.IsTrue(f.OffsetTable.SfntVersion == (OTTag)(0x00010000), "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.NumTables == 21, "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.SearchRange == 0x0100, "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.EntrySelector == 0x0004, "Error: unexpected font offset table value");
Assert.IsTrue(f.OffsetTable.RangeShift == 80, "Error: unexpected font offset table value");
}
public void HeadTableTest()
{
// Table constructor for 'head' will get the offset table record, calculate the table checksum
// and then read the remainder of the table.
OTFile f = TestFonts.GetOTFile_SelawikRegular();
uint? idx = f.GetFont(0).OffsetTable.GetTableRecordIndex((OTTag)("head"));
Assert.IsTrue(idx.HasValue);
OTTable table;
bool result = f.GetFont(0).TryGetTable((OTTag)("head"), out table);
Assert.IsTrue(result);
VerifySelawikRegularHead((TableHead)(table));
f = TestFonts.GetOTFile_CharisSILBoldItalic();
idx = f.GetFont(0).OffsetTable.GetTableRecordIndex((OTTag)("head"));
Assert.IsTrue(idx.HasValue);
table = null;
result = f.GetFont(0).TryGetTable((OTTag)("head"), out table);
Assert.IsTrue(result);
VerifyCharisSILBoldItalicHead((TableHead)(table));
}
static int Main(string[] args)
{
verbose = 0;
if (args.Length == 0)
{
Console.WriteLine("SVGInfo [-v] [-v] [-v] fontfile");
return(0);
}
OTFile f = new OTFile();
Table_SVG tSVG = null;
string filename = null;
verbose = 0;
for (int i = 0; i < args.Length; i++)
{
if ("-v" == args[i])
{
verbose++;
}
else
{
filename = args[i];
}
}
if (!f.open(filename))
{
Console.WriteLine("Error: Cannot open {0} as font file", filename);
return(0);
}
for (uint i = 0; i < f.GetNumFonts(); i++)
{
OTFont fn = f.GetFont(i);
tSVG = (Table_SVG)fn.GetTable("SVG ");
Console.WriteLine("{0} SVG table: {1}", filename,
(tSVG == null) ? "Absent" : "Present");
if (tSVG == null)
{
continue;
}
Console.WriteLine("version={0}, reserved={1}, offsetToSVGDocIndex={2}, numEntries={3}",
tSVG.version,
tSVG.reserved,
tSVG.offsetToSVGDocIndex,
tSVG.numEntries);
Console.WriteLine("start\tend\tOffset\tLength");
Console.WriteLine("=====\t===\t======\t======");
for (uint j = 0; j < tSVG.numEntries; j++)
{
var index = tSVG.GetDocIndexEntry(j);
Console.WriteLine("{0}\t{1}\t{2}\t{3}",
index.startGlyphID,
index.endGlyphID,
index.svgDocOffset,
index.svgDocLength);
}
if (verbose > 0)
{
XmlDocument doc = new XmlDocument();
if (verbose < 2)
{
doc.XmlResolver = null; //suppress network fetch
}
for (uint j = 0; j < tSVG.numEntries; j++)
{
var svgdoc = tSVG.GetDoc(j);
Console.WriteLine("=={0}==", j);
using (MemoryStream ms = new MemoryStream(svgdoc))
{
doc.Load(ms);
}
using (XmlTextWriter writer = new XmlTextWriter(Console.Out))
{
writer.Formatting = Formatting.Indented;
writer.Indentation = 4;
doc.Save(writer);
writer.Flush();
}
Console.WriteLine(""); //Newline
}
}
}
return(0);
}
static byte[] get_TTF_digest(OTFile f)
{
OTFont fn = f.GetFont(0);
Table_DSIG tDSIG = (Table_DSIG)fn.GetTable("DSIG");
DirectoryEntry deDSIG = null;
// sort table by offset
Dictionary <uint, int> offsetlookup = new Dictionary <uint, int>();
var list = new List <uint>();
for (ushort i = 0; i < fn.GetNumTables(); i++)
{
DirectoryEntry de = fn.GetDirectoryEntry(i);
offsetlookup.Add(de.offset, i);
list.Add(de.offset);
if ((string)de.tag == "DSIG")
{
deDSIG = de;
}
}
list.Sort();
// New offset table
var old_ot = fn.GetOffsetTable();
OffsetTable ot = new OffsetTable(old_ot.sfntVersion, (ushort)(old_ot.numTables - 1));
for (ushort i = 0; i < fn.GetNumTables(); i++)
{
DirectoryEntry oldde = fn.GetDirectoryEntry(i);
if ((string)oldde.tag != "DSIG")
{
DirectoryEntry de = new DirectoryEntry(oldde);
de.offset -= 16; // one less entry
if (de.offset > deDSIG.offset)
{
de.offset -= tDSIG.GetBuffer().GetPaddedLength();
}
ot.DirectoryEntries.Add(de);
}
}
hash.TransformBlock(ot.m_buf.GetBuffer(), 0, (int)ot.m_buf.GetLength(), ot.m_buf.GetBuffer(), 0);
for (int i = 0; i < ot.DirectoryEntries.Count; i++)
{
DirectoryEntry de = (DirectoryEntry)ot.DirectoryEntries[i];
hash.TransformBlock(de.m_buf.GetBuffer(), 0, (int)de.m_buf.GetLength(), de.m_buf.GetBuffer(), 0);
}
Table_head headTable = (Table_head)fn.GetTable("head");
// calculate the checksum
uint sum = 0;
sum += ot.CalcOffsetTableChecksum();
sum += ot.CalcDirectoryEntriesChecksum();
foreach (var key in list)
{
OTTable table = fn.GetTable((ushort)offsetlookup[key]);
if ((string)table.GetTag() != "DSIG")
{
sum += table.CalcChecksum();
}
}
Table_head.head_cache headCache = (Table_head.head_cache)headTable.GetCache();
// set the checkSumAdujustment field
headCache.checkSumAdjustment = 0xb1b0afba - sum;
Table_head newHead = (Table_head)headCache.GenerateTable();
foreach (var key in list)
{
OTTable table = fn.GetTable((ushort)offsetlookup[key]);
if ((string)table.GetTag() == "head")
{
table = newHead;
}
if ((string)table.GetTag() != "DSIG")
{
hash.TransformBlock(table.m_bufTable.GetBuffer(), 0, (int)table.GetBuffer().GetPaddedLength(),
table.m_bufTable.GetBuffer(), 0);
}
}
byte[] usFlag = { 0, 1 };
hash.TransformFinalBlock(usFlag, 0, 2);
return(hash.Hash);
}
static byte[] get_TTC_digest(OTFile f)
{
TTCHeader ttc = f.GetTTCHeader();
uint back_shift = 12;
//if ( ttc.version == 0x00020000 )
back_shift = 0;
TTCHBuffer ttcb = new TTCHBuffer(12 + ttc.DirectoryCount * 4 + 12 - back_shift);
// write the TTC header
ttcb.FillUint32MBO((uint)ttc.TTCTag);
ttcb.FillUint32MBO(ttc.version);
ttcb.FillUint32MBO(ttc.DirectoryCount);
for (int i = 0; i < f.GetNumFonts(); i++)
{
ttcb.FillUint32MBO((uint)ttc.DirectoryOffsets[i] - back_shift);
}
//if ( ttc.version == 0x00020000 )
{
ttcb.FillUint32MBO(0);
ttcb.FillUint32MBO(0);
ttcb.FillUint32MBO(0);
}
uint Position = (uint)ttcb.buffer.Length;
hash.TransformBlock(ttcb.buffer, 0, ttcb.buffer.Length, ttcb.buffer, 0);
// build an array of offset tables
OffsetTable[] otArr = new OffsetTable[f.GetNumFonts()];
for (uint iFont = 0; iFont < f.GetNumFonts(); iFont++)
{
otArr[iFont] = new OffsetTable(new OTFixed(1, 0), f.GetFont(iFont).GetNumTables());
for (ushort i = 0; i < f.GetFont(iFont).GetNumTables(); i++)
{
DirectoryEntry old = f.GetFont(iFont).GetDirectoryEntry(i);
DirectoryEntry de = new DirectoryEntry(old);
de.offset -= back_shift;
otArr[iFont].DirectoryEntries.Add(de);
}
}
if ((uint)ttc.DirectoryOffsets[(int)f.GetNumFonts() - 1] < f.GetFont(0).GetDirectoryEntry(0).offset)
{
// assume directory-contiguous
for (uint iFont = 0; iFont < f.GetNumFonts(); iFont++)
{
// write the offset table
hash.TransformBlock(otArr[iFont].m_buf.GetBuffer(), 0, (int)otArr[iFont].m_buf.GetLength(),
otArr[iFont].m_buf.GetBuffer(), 0);
Position += otArr[iFont].m_buf.GetLength();
// write the directory entries
for (int i = 0; i < f.GetFont(iFont).GetNumTables(); i++)
{
DirectoryEntry de = (DirectoryEntry)otArr[iFont].DirectoryEntries[i];
hash.TransformBlock(de.m_buf.GetBuffer(), 0, (int)de.m_buf.GetLength(),
de.m_buf.GetBuffer(), 0);
Position += de.m_buf.GetLength();
}
}
}
// write out each font
uint max_offset = 0;
uint max_padded_length = 0;
uint PrevPos = 0;
for (uint iFont = 0; iFont < f.GetNumFonts(); iFont++)
{
ushort numTables = f.GetFont(iFont).GetNumTables();
if ((uint)ttc.DirectoryOffsets[(int)f.GetNumFonts() - 1] > f.GetFont(0).GetDirectoryEntry(0).offset)
{
// assume font-contiguous
// write the offset table
hash.TransformBlock(otArr[iFont].m_buf.GetBuffer(), 0, (int)otArr[iFont].m_buf.GetLength(),
otArr[iFont].m_buf.GetBuffer(), 0);
Position += otArr[iFont].m_buf.GetLength();
// write the directory entries
for (int i = 0; i < numTables; i++)
{
DirectoryEntry de = (DirectoryEntry)otArr[iFont].DirectoryEntries[i];
hash.TransformBlock(de.m_buf.GetBuffer(), 0, (int)de.m_buf.GetLength(),
de.m_buf.GetBuffer(), 0);
Position += de.m_buf.GetLength();
}
}
// write out each table unless a shared version has been written
for (ushort i = 0; i < numTables; i++)
{
DirectoryEntry de = (DirectoryEntry)otArr[iFont].DirectoryEntries[i];
if (de.offset > max_offset)
{
max_offset = de.offset;
max_padded_length = f.GetFont(iFont).GetTable(de.tag).GetBuffer().GetPaddedLength();
}
if (PrevPos < de.offset) //crude
{
OTTable table = f.GetFont(iFont).GetTable(de.tag);
hash.TransformBlock(table.m_bufTable.GetBuffer(), 0, (int)table.GetBuffer().GetPaddedLength(),
table.m_bufTable.GetBuffer(), 0);
Position += table.GetBuffer().GetPaddedLength();
PrevPos = de.offset;
}
}
}
if (max_offset + max_padded_length - Position != 0)
{
throw new NotImplementedException("Unusual TTC Directory Layout");
}
byte[] usFlag = { 0, 1 };
hash.TransformFinalBlock(usFlag, 0, 2);
return(hash.Hash);
}
static int Main(string[] args)
{
if (args.Length == 0)
{
Console.WriteLine("DSIGInfo [-v] [-v] [-v] fontfile");
return(0);
}
OTFile f = new OTFile();
Table_DSIG tDSIG = null;
string filename = null;
verbose = 0;
for (int i = 0; i < args.Length; i++)
{
if ("-v" == args[i])
{
verbose++;
}
else
{
filename = args[i];
}
}
if (!f.open(filename))
{
Console.WriteLine("Error: Cannot open {0} as font file", filename);
return(0);
}
TTCHeader ttc = null;
if (f.IsCollection())
{
ttc = f.GetTTCHeader();
if (f.GetTableManager().GetUnaliasedTableName(ttc.DsigTag) == "DSIG")
{
MBOBuffer buf = f.ReadPaddedBuffer(ttc.DsigOffset, ttc.DsigLength);
tDSIG = (Table_DSIG)f.GetTableManager().CreateTableObject(ttc.DsigTag, buf);
}
for (uint i = 0; i < f.GetNumFonts(); i++)
{
OTFont fn = f.GetFont(i);
Table_DSIG memDSIG = (Table_DSIG)fn.GetTable("DSIG");
if (memDSIG != null)
{
Console.WriteLine("Warning: DSIG in member font");
break;
}
}
}
else
{
OTFont fn = f.GetFont(0);
tDSIG = (Table_DSIG)fn.GetTable("DSIG");
}
Console.WriteLine("{0} DSIG table: {1}", filename,
(tDSIG == null) ? "Absent" : "Present");
if (tDSIG == null)
{
return(0);
}
if (f.IsCollection() && ttc.version != 0x00020000)
{
Console.WriteLine("Warning: TTC has DSIG but header version is 0x{0}, != 0x00020000", ttc.version.ToString("X8"));
}
if (tDSIG.usNumSigs != 1)
{
Console.WriteLine("NumSigs = {0}", tDSIG.usNumSigs);
}
for (uint v = 0; v < tDSIG.usNumSigs; v++)
{
Table_DSIG.SignatureBlock sgb;
try {
sgb = tDSIG.GetSignatureBlock(v);
} catch (IndexOutOfRangeException)
{
Console.WriteLine("Error: Out of Range SignatureBlock {0}", v);
break;
}
SignedCms cms = new SignedCms();
try
{
cms.Decode(sgb.bSignature);
}
catch (Exception e)
{
if (e is NullReferenceException || /* Mono */
e is CryptographicException /* .Net2 */)
{
Console.WriteLine("Error: Malformed Signature");
break;
}
Console.WriteLine("Error: Malformed Signature (Unexpected Case 1)");
throw;
}
if (cms.SignerInfos.Count > 1)
{
Console.WriteLine("#SignerInfos: {0}", cms.SignerInfos.Count);
}
foreach (var si in cms.SignerInfos)
{
Console.WriteLine(si.Certificate);
if (Type.GetType("Mono.Runtime") == null)
{
foreach (var ua in si.UnsignedAttributes)
{
foreach (var asnd in ua.Values)
{
try
{
ASN1 vv = new ASN1(asnd.RawData);
ASN1 t = new ASN1(vv[3][1][1].Value);
Console.WriteLine("Decoded Signing Time: {0}", ASN1Convert.ToDateTime(t));
}
catch (Exception)
{ /* Nothing to do */ }
}
}
}
}
Console.WriteLine("#Certificates: {0}", cms.Certificates.Count);
#if HAVE_MONO_X509
certs = new Mono.Security.X509.X509CertificateCollection();
//Mono.Security.X509.X509Chain signerChain = new Mono.Security.X509.X509Chain ();
#endif
foreach (var x509 in cms.Certificates)
{
#if HAVE_MONO_X509
certs.Add(new Mono.Security.X509.X509Certificate(x509.RawData));
#endif
if (verbose > 0)
{
Console.WriteLine(x509);
}
else
{
Console.WriteLine(x509.Subject);
}
}
;
#if HAVE_MONO_X509
Mono.Security.X509.X509Certificate x = new Mono.Security.X509.X509Certificate(cms.SignerInfos[0].Certificate.RawData);
Mono.Security.X509.X509Certificate parent = x;
while (x != null) // Self-signed is fine - the font bundled CA is self-signed.
{
parent = x; // last valid
x = FindCertificateParent(x);
if (x != null && x.Equals(parent))
{
break;
}
}
#endif
// Windows 10/.net 4.6.x throws here
ASN1 spc;
try
{
spc = new ASN1(cms.ContentInfo.Content);
}
catch (Exception e)
{
if (e is IndexOutOfRangeException)
{
Console.WriteLine("Error: Malformed Signature (Win10/.net 4.6.x)");
break;
}
Console.WriteLine("Error: Malformed Signature (Unexpected Case 2)");
throw;
}
ASN1 playload_oid = null;
ASN1 oid = null;
ASN1 digest = null;
ASN1 obsolete = null;
if (Type.GetType("Mono.Runtime") == null)
{
// DotNet is much saner!
playload_oid = spc[0][0];
obsolete = spc[0][1][0];
oid = spc[1][0][0];
digest = spc[1][1];
}
else
{
playload_oid = spc[0];
obsolete = spc[1][0];
oid = spc[2][0][0];
digest = spc[2][1];
}
string algo = ASN1Convert.ToOid(oid);
string algoname = (new Oid(algo)).FriendlyName;
Console.WriteLine("Digest Algorithm: {0}", algoname);
byte[] Value = digest.Value;
StringBuilder hexLine_sig = new StringBuilder();
for (int i = 0; i < Value.Length; i++)
{
hexLine_sig.AppendFormat("{0} ", Value [i].ToString("X2"));
}
hexLine_sig.AppendFormat(Environment.NewLine);
switch (algoname)
{
case "md5":
hash = HashAlgorithm.Create("MD5");
break;
case "sha1":
hash = HashAlgorithm.Create("SHA1");
break;
default:
throw new NotImplementedException("Unknown HashAlgorithm: " + algoname);
}
byte[] cdigest;
if (f.IsCollection())
{
cdigest = get_TTC_digest(f);
}
else
{
cdigest = get_TTF_digest(f);
}
StringBuilder hexLine = new StringBuilder();
for (int i = 0; i < cdigest.Length; i++)
{
hexLine.AppendFormat("{0} ", cdigest [i].ToString("X2"));
}
hexLine.AppendFormat(Environment.NewLine);
Console.WriteLine("{0} Signed Digest:\t{1}", algoname.ToUpper(), hexLine_sig);
Console.WriteLine("Calculated Digest:\t{0}", hexLine);
string root_thumb = "";
#if HAVE_MONO_X509
root_thumb =
(new System.Security.Cryptography.X509Certificates.X509Certificate2(parent.RawData)).Thumbprint;
Console.WriteLine("ChainEnd Name: {0}", parent.SubjectName);
Console.WriteLine("ChainEnd Self-Signed: {0}", parent.IsSelfSigned);
#endif
Console.WriteLine("ChainEnd: {0}", root_thumb);
bool trusted = false;
try
{
string root_id = trusted_roots[root_thumb];
Console.WriteLine("RootID: {0}", root_id);
trusted = true;
}
catch (KeyNotFoundException)
{}
Console.WriteLine("Trusted: {0}", trusted);
}
return(0);
}
static int Main(string[] args)
{
verbose = 0;
if (args.Length == 0)
{
Console.WriteLine("CFFInfo [-v] [-v] [-v] fontfile");
return(0);
}
OTFile f = new OTFile();
Table_CFF tCFF = null;
string filename = null;
verbose = 0;
for (int i = 0; i < args.Length; i++)
{
if ("-v" == args[i])
{
verbose++;
}
else
{
filename = args[i];
}
}
if (!f.open(filename))
{
Console.WriteLine("Error: Cannot open {0} as font file", filename);
return(0);
}
if (f.GetNumFonts() != 1)
{
Console.WriteLine("{0} contains {1} member fonts", filename, f.GetNumFonts());
}
for (uint iFont = 0; iFont < f.GetNumFonts(); iFont++)
{
OTFont fn = f.GetFont(iFont);
tCFF = (Table_CFF)fn.GetTable("CFF ");
Console.WriteLine("{0} CFF table: {1}", filename,
(tCFF == null) ? "Absent" : "Present");
if (tCFF == null)
{
continue;
}
/* header */
/* INDEX's */
Console.WriteLine("Name:\tcount={0}\tsize={1}",
tCFF.Name.count, tCFF.Name.size);
Console.WriteLine("TopDICT:\tcount={0}\tsize={1}",
tCFF.TopDICT.count, tCFF.TopDICT.size);
Console.WriteLine("String:\tcount={0}\tsize={1}",
tCFF.String.count, tCFF.String.size);
Console.WriteLine("GlobalSubr:\tcount={0}\tsize={1}",
tCFF.GlobalSubr.count, tCFF.GlobalSubr.size);
/* INDEX success */
var overlap = new DataOverlapDetector();
overlap.CheckForNoOverlap(0, tCFF.hdrSize);
overlap.CheckForNoOverlap(tCFF.Name.begin, tCFF.Name.size);
overlap.CheckForNoOverlap(tCFF.TopDICT.begin, tCFF.TopDICT.size);
overlap.CheckForNoOverlap(tCFF.String.begin, tCFF.String.size);
overlap.CheckForNoOverlap(tCFF.GlobalSubr.begin, tCFF.GlobalSubr.size);
if (verbose > 1)
{
Console.WriteLine("Region-hdr :\t{0}\t{1}", 0, tCFF.hdrSize);
Console.WriteLine("Region-Name :\t{0}\t{1}", tCFF.Name.begin, tCFF.Name.size);
Console.WriteLine("Region-TopDICT :\t{0}\t{1}", tCFF.TopDICT.begin, tCFF.TopDICT.size);
Console.WriteLine("Region-String :\t{0}\t{1}", tCFF.String.begin, tCFF.String.size);
Console.WriteLine("Region-GlobalSubr :\t{0}\t{1}", tCFF.GlobalSubr.begin, tCFF.GlobalSubr.size);
}
for (uint i = 0; i < tCFF.Name.count; i++)
{
Console.WriteLine("Name: " + tCFF.Name.GetString(i));
}
try{
for (uint i = 0; i < tCFF.String.count; i++)
{
var a = tCFF.String.GetString(i);
if (verbose > 0)
{
Console.WriteLine("String #{0}: {1}", i, a);
}
}
}
catch (DecoderFallbackException)
{
for (uint i = 0; i < tCFF.String.count; i++)
{
var a = tCFF.String.GetUTFString(i);
if (verbose > 0)
{
Console.WriteLine("String #{0}: {1}", i, a);
}
}
}
for (uint iDICT = 0; iDICT < tCFF.TopDICT.count; iDICT++)
{
var curTopDICT = tCFF.GetTopDICT(iDICT);
Console.WriteLine("FullName in TopDICT: " + curTopDICT.FullName);
overlap.CheckForNoOverlap((uint)curTopDICT.offsetPrivate, (uint)curTopDICT.sizePrivate);
if (verbose > 1)
{
Console.WriteLine("Region-Private :\t{0}\t{1}", curTopDICT.offsetPrivate, curTopDICT.sizePrivate);
}
Console.WriteLine("Offset to Charset:\t" + curTopDICT.offsetCharset);
Console.WriteLine("Offset to Encoding:\t" + curTopDICT.offsetEncoding);
Table_CFF.DICTData topPrivateDict = null;
try
{
topPrivateDict = tCFF.GetPrivate(curTopDICT);
}
catch (ArgumentOutOfRangeException e)
{
Console.WriteLine("Broken Private Dict:" + e.Message);
}
if (topPrivateDict != null && topPrivateDict.Subrs != 0)
{
var topPrivSubrs = tCFF.GetINDEX(curTopDICT.offsetPrivate + topPrivateDict.Subrs);
overlap.CheckForNoOverlap(topPrivSubrs.begin, topPrivSubrs.size);
if (verbose > 1)
{
Console.WriteLine("Region-PrivSubrs :\t{0}\t{1}", topPrivSubrs.begin, topPrivSubrs.size);
}
}
var CharStrings = tCFF.GetINDEX(curTopDICT.offsetCharStrings);
Console.WriteLine("CharStrings count: " + CharStrings.count);
overlap.CheckForNoOverlap(CharStrings.begin, CharStrings.size);
if (verbose > 1)
{
Console.WriteLine("Region-CharStrings:\t{0}\t{1}", CharStrings.begin, CharStrings.size);
}
if (curTopDICT.ROS != null)
{
Console.WriteLine("CID ROS: " + curTopDICT.ROS);
Console.WriteLine("Offset to CID FDSelect:\t" + curTopDICT.offsetFDSelect);
}
if (curTopDICT.offsetFDArray > 0)
{
var FDArray = tCFF.GetINDEX(curTopDICT.offsetFDArray);
overlap.CheckForNoOverlap(FDArray.begin, FDArray.size);
if (verbose > 1)
{
Console.WriteLine("Region-FDArray :\t{0}\t{1}", FDArray.begin, FDArray.size);
}
for (uint i = 0; i < FDArray.count; i++)
{
var FDict = tCFF.GetDICT(FDArray.GetData(i));
Console.WriteLine("CID FontDict #{0}: {1}", i, FDict.FontName);
overlap.CheckForNoOverlap((uint)FDict.offsetPrivate, (uint)FDict.sizePrivate);
if (verbose > 1)
{
Console.WriteLine("Region-CID FontDict #{2} :\t{0}\t{1}", FDict.offsetPrivate, FDict.sizePrivate, i);
}
Table_CFF.DICTData FDictPrivate = null;
try
{
FDictPrivate = tCFF.GetPrivate(FDict);
}
catch (ArgumentOutOfRangeException e)
{
Console.WriteLine("Broken CID FD Private Dict #{0}:{1}", i, e.Message);
}
if (FDictPrivate != null && FDictPrivate.Subrs != 0)
{
var PrivSubrs = tCFF.GetINDEX(FDict.offsetPrivate + FDictPrivate.Subrs);
overlap.CheckForNoOverlap(PrivSubrs.begin, PrivSubrs.size);
if (verbose > 1)
{
Console.WriteLine("Region-CID PrivSubrs #{2} :\t{0}\t{1}", PrivSubrs.begin, PrivSubrs.size, i);
}
}
}
}
}
Console.WriteLine("Tested region: {0} of {1}",
overlap.Occupied, tCFF.GetLength());
if (overlap.ends != tCFF.GetLength())
{
}
}
return(0);
}