}

	proc get_extensions {server {limitos "*"} {limitcpu "*"}} {
		upvar ::teapotclient::osTeapotToLocal osTeapotToLocal
		upvar ::teapotclient::cpuTeapotToLocal cpuTeapotToLocal

		file mkdir $::teapotclient::pkgcachedir
		set cachefile [file join $::teapotclient::pkgcachedir TEAPOTINFO-[::md5::md5 -hex $server]]
		
		set currtime [clock seconds]

		if {[file exists $cachefile]} {
			catch {
				set fd [open $cachefile r]
				set data [read $fd]