public void Write(WritingContext SW)
{
long StartingPosition = SW.Position;
// Write the command and length
SW.Write(Command);
LengthFieldU32or64 Length = SW.WriteDeferredLength(4, Bits.Num._32);
// Write the data
PackageData(SW);
// Write any pad bytes and commit the length
SW.WriteZeros((SW.Position - StartingPosition) % 4);
SW.CommitDeferredField(Length);
}
public void Write(WritingContext Context)
{
// Write the header
Context.Write(Magic);
Context.Write(CpuType);
Context.Write(CpuSubType);
Context.Write(FileType);
Context.Write((UInt32)Commands.Count);
LengthFieldU32or64 SizeOfCommands = Context.WriteDeferredLength(-2 * sizeof(UInt32), Bits.Num._32); // Size of commands, after this field and the flags field
Context.Write(Flags);
if (Magic == MH_MAGIC_64)
{
Context.Write(Reserved64);
}
// Write each command (which may enqueue deferred work)
foreach (MachLoadCommand Command in Commands)
{
Command.Write(Context);
}
Context.CommitDeferredField(SizeOfCommands);
//@TODO: Figure out where this offsetting comes from
long MainStartPosition = MachHeaderPad;
Context.WriteZeros(MainStartPosition - Context.Position);
// Drain deferred work until the file is completely done
Context.CompleteWritingAndClose();
}
public override void WriteData(WritingContext SW)
{
base.WriteData(SW);
SW.Write(CertificateIndex); // index of the OID value (always 1)
SW.Write(Hash.Length); // length of OID
SW.Write(Hash); // OID to match
int Count = 4 - Hash.Length % 4; // may need to pad to alignment of 4 bytes
if (Count > 0 && Count < 4)
SW.WriteZeros(Count);
}
public override void WriteData(WritingContext SW)
{
base.WriteData(SW);
SW.Write(OIDIndex); // index of the OID value (always 1)
SW.Write(OID.Length); // length of OID
SW.Write(OID); // OID to match
int Count = 4 - OID.Length % 4; // may need to pad to alignment of 4 bytes
if (Count > 0 && Count < 4)
SW.WriteZeros(Count);
// may need to pad to alignment of 4 bytes
SW.Write(MatchOp.MatchOp); // OID must exist
}
public override void WriteData(WritingContext SW)
{
base.WriteData(SW);
SW.Write(CertificateIndex); // index in the mobile provision certificate list (always 0 for now)
SW.Write(FieldName.Length); // field name length
SW.WriteFixedASCII(FieldName, FieldName.Length); // field name to match
int Count = 4 - FieldName.Length % 4; // may need to pad to alignment of 4 bytes
if (Count > 0 && Count < 4)
SW.WriteZeros(Count);
SW.Write(MatchOp.MatchOp); // must equal
SW.Write(MatchOp.CertificateName.Length); // length of certficate name
SW.WriteFixedASCII(MatchOp.CertificateName, MatchOp.CertificateName.Length);// certificate name to match
Count = 4 - MatchOp.CertificateName.Length % 4; // may need to pad to alignment of 4 bytes
if (Count > 0 && Count < 4)
SW.WriteZeros(Count);
}
public override void WriteData(WritingContext SW)
{
base.WriteData(SW);
SW.Write(BundleIdentifier.Length); // bundle identifier length
SW.WriteFixedASCII(BundleIdentifier, BundleIdentifier.Length); // bundle identifier string
int Count = 4 - BundleIdentifier.Length % 4; // may need to pad to alignment of 4 bytes
if (Count > 0 && Count < 4)
SW.WriteZeros(Count);
}
