# ---------------------------------------------------------------
# export2.rb	-  Export a single stream to a libpcap file
#
#	usage : export2 <unsniff file>  <libpcap file> <stream-id>
#----------------------------------------------------------------
require 'win32ole'

USAGE = "export2 <unsniff-file> <to-libpcap-file> <stream-id>"

if ARGV.length != 3
	puts USAGE
	exit 1
end

FromDB = ARGV[0]
ToFile   = ARGV[1]
StreamID = ARGV[2]
UnsniffDB = WIN32OLE.new("Unsniff.Database")
UnsniffDB.Open(FromDB)

StmToExport = UnsniffDB.StreamIndex(StreamID)
UnsniffDB.BeginExport( "libpcap", ToFile)
UnsniffDB.ExportStream(StmToExport)
UnsniffDB.EndExport()
UnsniffDB.Close()

print "Exported Stream #{StreamID} to libpcap/tcpdump file  #{ToFile}"