public bool Open(Stream fs)
{
var intBytes = new byte[4];
Header = MarshalUtil.ReadStruct<CIAHeader>(fs); //read header
CertificateChainOffset = Marshal.SizeOf(Header) + (long)Header.PaddingLength;
TicketOffset = CertificateChainOffset + Header.CertificateChainLength;
if (TicketOffset % 64 != 0)
TicketOffset += (64 - TicketOffset % 64);
TMDOffset = TicketOffset + Header.TicketLength;
if (TMDOffset % 64 != 0)
TMDOffset += (64 - TMDOffset % 64);
ContentOffset = TMDOffset + Header.TMDLength; ;
if (ContentOffset % 64 != 0)
ContentOffset += (64 - ContentOffset % 64);
MetaOffset = ContentOffset + (long)Header.ContentLength;
if (MetaOffset % 64 != 0)
MetaOffset += (64 - MetaOffset % 64);
fs.Seek(TicketOffset, SeekOrigin.Begin);
TicketContext = new TicketContext();
if (!TicketContext.Open(fs))
{
errorMessage = TicketContext.GetErrorMessage();
return false;
}
fs.Seek(CertificateChainOffset, SeekOrigin.Begin);
CertificatesContext = new CertificatesContext();
if (!CertificatesContext.Open(fs))
{
errorMessage = CertificatesContext.GetErrorMessage();
return false;
}
fs.Seek(TMDOffset, SeekOrigin.Begin);
TMDContext = new TMDContext();
if (!TMDContext.Open(fs))
{
errorMessage = TMDContext.GetErrorMessage();
return false;
}
if (Header.MetaLength > 0)
{
fs.Seek(MetaOffset, SeekOrigin.Begin);
MetaHeaderEntries = new ArrayList();
var metaHeaderEntry = MarshalUtil.ReadStruct<CIAMetaHeaderEntry>(fs);
while (metaHeaderEntry.Type != 0)
{
MetaHeaderEntries.Add(metaHeaderEntry);
metaHeaderEntry = MarshalUtil.ReadStruct<CIAMetaHeaderEntry>(fs);
}
fs.Seek(MetaOffset + 0x400, SeekOrigin.Begin); //Jump to the header
ICN = new ICNContext();
ICN.Open(fs);
}
return true;
}
public bool Open(Stream fs)
{
var intBytes = new byte[4];
Header = MarshalUtil.ReadStruct <CIAHeader>(fs); //read header
CertificateChainOffset = Align(Marshal.SizeOf(Header), 64);
TicketOffset = Align(CertificateChainOffset + Header.CertificateChainLength, 64);
TMDOffset = Align(TicketOffset + Header.TicketLength, 64);
ContentOffset = Align(TMDOffset + Header.TMDLength, 64);
MetaOffset = Align(ContentOffset + (long)Header.ContentLength, 64);
fs.Seek(CertificateChainOffset, SeekOrigin.Begin);
CertificatesContext = new CertificatesContext();
if (!CertificatesContext.Open(fs))
{
errorMessage = CertificatesContext.GetErrorMessage();
return(false);
}
fs.Seek(TicketOffset, SeekOrigin.Begin);
TicketContext = new TicketContext();
if (!TicketContext.Open(fs))
{
errorMessage = TicketContext.GetErrorMessage();
return(false);
}
fs.Seek(TMDOffset, SeekOrigin.Begin);
TMDContext = new TMDContext();
if (!TMDContext.Open(fs))
{
errorMessage = TMDContext.GetErrorMessage();
return(false);
}
if (Header.MetaLength > 0)
{
fs.Seek(MetaOffset, SeekOrigin.Begin);
MetaHeaderEntries = new ArrayList();
var metaHeaderEntry = MarshalUtil.ReadStruct <CIAMetaHeaderEntry>(fs);
while (metaHeaderEntry.ID[6] == 4)
{
MetaHeaderEntries.Add(metaHeaderEntry);
metaHeaderEntry = MarshalUtil.ReadStruct <CIAMetaHeaderEntry>(fs);
}
fs.Seek(MetaOffset + 0x400, SeekOrigin.Begin); //Jump to the header
ICN = new ICNContext();
ICN.Open(fs);
}
return(true);
}
