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#
# Copyright (C) 1997-2000 Matt Newman <matt@novadigm.com> 
#
# $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.tcl,v 1.6 2004/02/11 22:36:31 razzell Exp $
# $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.tcl,v 1.7 2004/12/17 16:02:03 patthoyts Exp $
#
namespace eval tls {
    variable logcmd tclLog
    variable debug 0
 
    # Default flags passed to tls::import
    variable defaults {}

    # Maps UID to Server Socket
    variable srvmap
    variable srvuid 0

    # Over-ride this if you are using a different socket command
    variable socketCmd
    if {![info exists socketCmd]} {
        set socketCmd [info command ::socket]
    }
}
#
# Backwards compatibility, also used to set the default
# context options
#
proc tls::init {args} {
    variable defaults

    set defaults $args
}
#
# Helper function - behaves exactly as the native socket command.
#
proc tls::socket {args} {
    variable socketCmd
    set idx [lsearch $args -server]
    if {$idx != -1} {
	set server 1
	set callback [lindex $args [expr {$idx+1}]]
	set args [lreplace $args $idx [expr {$idx+1}]]

	set usage "wrong # args: should be \"tls::socket -server command ?options? port\""
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	set host [lindex $args [expr {$argc-2}]]
	set port [lindex $args [expr {$argc-1}]]
	lappend sopts $host $port
    }
    #
    # Create TCP/IP socket
    #
    set chan [eval ::socket $sopts]
    set chan [eval $socketCmd $sopts]
    if {!$server && [catch {
	#
	# Push SSL layer onto socket
	#
	eval [list tls::import] $chan $iopts
    } err]} {
	set info ${::errorInfo}