/// <summary>
/// Initialize the common information about a Burn engine.
/// </summary>
/// <param name="reader">Binary reader open against a Burn engine.</param>
/// <returns>True if initialized.</returns>
protected bool Initialize(BinaryReader reader)
{
if (!GetWixburnSectionInfo(reader))
{
return(false);
}
reader.BaseStream.Seek(this.wixburnDataOffset, SeekOrigin.Begin);
byte[] bytes = reader.ReadBytes((int)BURN_SECTION_SIZE);
UInt32 uint32 = 0;
uint32 = BurnCommon.ReadUInt32(bytes, BURN_SECTION_OFFSET_MAGIC);
if (BURN_SECTION_MAGIC != uint32)
{
this.messageHandler.OnMessage(WixErrors.InvalidBundle(this.fileExe));
return(false);
}
this.Version = BurnCommon.ReadUInt32(bytes, BURN_SECTION_OFFSET_VERSION);
if (BURN_SECTION_VERSION != this.Version)
{
this.messageHandler.OnMessage(WixErrors.BundleTooNew(this.fileExe, this.Version));
return(false);
}
uint32 = BurnCommon.ReadUInt32(bytes, BURN_SECTION_OFFSET_FORMAT); // We only know how to deal with CABs right now
if (1 != uint32)
{
this.messageHandler.OnMessage(WixErrors.InvalidBundle(this.fileExe));
return(false);
}
this.StubSize = BurnCommon.ReadUInt32(bytes, BURN_SECTION_OFFSET_STUBSIZE);
this.OriginalChecksum = BurnCommon.ReadUInt32(bytes, BURN_SECTION_OFFSET_ORIGINALCHECKSUM);
this.OriginalSignatureOffset = BurnCommon.ReadUInt32(bytes, BURN_SECTION_OFFSET_ORIGINALSIGNATUREOFFSET);
this.OriginalSignatureSize = BurnCommon.ReadUInt32(bytes, BURN_SECTION_OFFSET_ORIGINALSIGNATURESIZE);
this.ContainerCount = BurnCommon.ReadUInt32(bytes, BURN_SECTION_OFFSET_COUNT);
this.UXAddress = this.StubSize;
this.UXSize = BurnCommon.ReadUInt32(bytes, BURN_SECTION_OFFSET_UXSIZE);
// If there is an original signature use that to determine the engine size.
if (0 < this.OriginalSignatureOffset)
{
this.EngineSize = this.OriginalSignatureOffset + this.OriginalSignatureSize;
}
else if (0 < this.SignatureOffset && 2 > this.ContainerCount) // if there is a signature and no attached containers, use the current signature.
{
this.EngineSize = this.SignatureOffset + this.SignatureSize;
}
else // just use the stub and UX container as the size of the engine.
{
this.EngineSize = this.StubSize + this.UXSize;
}
this.AttachedContainerAddress = this.ContainerCount > 1 ? this.EngineSize : 0;
this.AttachedContainerSize = this.ContainerCount > 1 ? BurnCommon.ReadUInt32(bytes, BURN_SECTION_OFFSET_ATTACHEDCONTAINERSIZE) : 0;
return(true);
}
