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# Commands tested in this file: socket.
#
# This file contains a collection of tests for one or more of the Tcl
# built-in commands.  Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
# Copyright (c) 1998-2000 Ajuba Solutions. 
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: tlsIO.test,v 1.14 2000/06/08 00:06:40 aborr Exp $
# RCS: @(#) $Id: tlsIO.test,v 1.14.2.4 2000/07/21 05:32:57 hobbs Exp $

# Running socket tests with a remote server:
# ------------------------------------------
# 
# Some tests in socket.test depend on the existence of a remote server to
# which they connect. The remote server must be an instance of tcltest and it
# must run the script found in the file "remote.tcl" in this directory. You
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# 
#     % set remoteServerIP <name or address of machine on which server runs>
#     % set remoteServerPort 8048
# 
# These variables are also settable from the environment. On Unix, you can:
# 
#     shell% setenv remoteServerIP machine.where.server.runs
#     shell% senetv remoteServerPort 8048
#     shell% setenv remoteServerPort 8048
# 
# The preamble of the socket.test file checks to see if the variables are set
# either in Tcl or in the environment; if they are, it attempts to connect to
# the server. If the connection is successful, the tests using the remote
# server will be performed; otherwise, it will attempt to start the remote
# server (via exec) on platforms that support this, on the local host,
# listening at port 8048. If all fails, a message is printed and the tests
# using the remote server are not performed.

proc dputs {msg} { return ; puts stderr $msg ; flush stderr }

if {[lsearch [namespace children] ::tcltest] == -1} {
    package require tcltest
    namespace import -force ::tcltest::*
}

# Load the tls package

package require tls

set tlsServerPort 8048

set certsDir [file join [file dirname [info script]] certs] 
# Specify where the certificates are

set certsDir	[file join [file dirname [info script]] certs]
set serverCert [file join $certsDir server.pem]
set clientCert [file join $certsDir client.pem]
set caCert [file join $certsDir cacert.pem]
set serverKey [file join $certsDir skey.pem]
set clientKey [file join $certsDir ckey.pem]
set serverCert	[file join $certsDir server.pem]
set clientCert	[file join $certsDir client.pem]
set caCert	[file join $certsDir cacert.pem]
set serverKey	[file join $certsDir skey.pem]
set clientKey	[file join $certsDir ckey.pem]

# Some tests require the testthread command
# Some tests require the testthread and exec commands

set ::tcltest::testConstraints(testthread) \
	[expr {[info commands testthread] != {}}]
set ::tcltest::testConstraints(exec) [expr {[info commands exec] != {}}]

#
# If remoteServerIP or remoteServerPort are not set, check in the
# environment variables for externally set values.
#

if {![info exists remoteServerIP]} {
    if {[info exists env(remoteServerIP)]} {
	set remoteServerIP $env(remoteServerIP)
    }
}
if {![info exists remoteServerPort]} {
    if {[info exists env(remoteServerPort)]} {
	set remoteServerPort $env(remoteServerPort)
    } else {
        if {[info exists remoteServerIP]} {
	    set remoteServerPort $tlsServerPort
        }
    }
}

proc do_handshake {s {type readable} {cmd {}} args} {
    if {[eof $s]} {
	close $s
	dputs "handshake: eof"
	set ::do_handshake "eof"
    } elseif {[catch {tls::handshake $s} result]} {
	# Some errors are normal.
	dputs "handshake: $result"
    } elseif {$result == 1} {
	# Handshake complete
	if {[llength $args]} { eval fconfigure $s $args }
	if {$cmd == ""} {
	    fileevent $s $type ""
	} else {
	    fileevent $s $type "$cmd $s"
	}
	dputs "handshake: complete"
	set ::do_handshake "complete"
    } else {
	dputs "handshake: in progress"
    }
}

#
# Check if we're supposed to do tests against the remote server
#

set doTestsWithRemoteServer 1
if {![info exists remoteServerIP] && ($tcl_platform(platform) != "macintosh")} {
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set remoteProcChan ""
set commandSocket ""
if {$doTestsWithRemoteServer} {
    catch {close $commandSocket}
    if {[catch {set commandSocket [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP \
	    $remoteServerIP $remoteServerPort]}] != 0} {
	    $remoteServerPort]}] != 0} {
	if {[info commands exec] == ""} {
	    set noRemoteTestReason "can't exec"
	    set doTestsWithRemoteServer 0
	} else {
	    set remoteServerIP 127.0.0.1
	    set remoteFile [file join [pwd] remote.tcl]
	    if {[catch {set remoteProcChan \
				[open "|[list $::tcltest::tcltest $remoteFile \
					-serverIsSilent \
		    [open "|[list $::tcltest::tcltest $remoteFile \
		    -serverIsSilent -port $remoteServerPort \
					-port $remoteServerPort \
					-address $remoteServerIP]" \
		    -address $remoteServerIP]" w+]} msg] == 0} {
					w+]} \
		   msg] == 0} {
		after 1000
		if {[catch {set commandSocket [tls::socket \
		    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
		if {[catch {set commandSocket [tls::socket -cafile $caCert \
			-certfile $clientCert -keyfile $clientKey \
				$remoteServerIP \
				$remoteServerPort]} msg] == 0} {
			$remoteServerIP $remoteServerPort]} msg] == 0} {
		    fconfigure $commandSocket -translation crlf -buffering line
		} else {
		    set noRemoteTestReason $msg
		    set doTestsWithRemoteServer 0
		}
	    } else {
		set noRemoteTestReason "$msg $::tcltest::tcltest"
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		    return [lindex $resp 1]
		}
	    } else {
		append resp $line "\n"
	    }
	}
    }

    sendCommand [list proc dputs [info args dputs] [info body dputs]]

    proc sendCertValues {} {
	# We need to be able to send certificate values that normalize
	# filenames across platforms
	sendCommand {
	    set certsDir	[file join [file dirname [info script]] certs]
	    set serverCert	[file join $certsDir server.pem]
	    set clientCert	[file join $certsDir client.pem]
	    set caCert		[file join $certsDir cacert.pem]
	    set serverKey	[file join $certsDir skey.pem]
	    set clientKey	[file join $certsDir ckey.pem]
	}
    }
}

test tlsIO-1.1 {arg parsing for socket command} {socket} {
    list [catch {tls::socket -server} msg] $msg
} {1 {wrong # args: should be "tls::socket -server command ?options? port"}}

test tlsIO-1.2 {arg parsing for socket command} {socket} {
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    set f [open script w]
    puts $f {
	package require tls
	set timer [after 2000 "set x done"]
    }
    puts $f "set f \[tls::socket -server accept -certfile $serverCert -cafile $caCert -keyfile $serverKey 8829 \]"
    puts $f {
	proc accept {file addr port} {
	proc accept {sock addr port} {
            global x
            puts "[gets $file] $port"
            close $file
            puts "[gets $sock] $port"
            close $sock
            set x done
	}
	puts ready
	vwait x
	after cancel $timer
	close $f
    }
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    set f [open script w]
    puts $f {
	package require tls
	set timer [after 2000 "set x done"]
    }
    puts $f "set f \[tls::socket -server accept -certfile $serverCert -cafile $caCert -keyfile $serverKey 8830 \]"
    puts $f {
	proc accept {file addr port} {
	proc accept {sock addr port} {
            global x
            puts "[gets $file] $addr"
            close $file
            puts "[gets $sock] $addr"
            close $sock
            set x done
	}
	puts ready
	vwait x
	after cancel $timer
	close $f
    }
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    set f [open script w]
    puts $f {
	package require tls
	set timer [after 2000 "set x done"]
    }
    puts $f "set f \[tls::socket -server accept -certfile $serverCert -cafile $caCert -keyfile $serverKey -myaddr [info hostname] 8831 \]"
    puts $f {
	proc accept {file addr port} {
	proc accept {sock addr port} {
            global x
            puts "[gets $file]"
            close $file
            puts "[gets $sock]"
            close $sock
            set x done
	}
	puts ready
	vwait x
	after cancel $timer
	close $f
    }
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    set f [open script w]
    puts $f {
	package require tls
	set timer [after 2000 "set x done"]
    }
    puts $f "set f \[tls::socket -server accept -certfile $serverCert -cafile $caCert -keyfile $serverKey 8832 \]"
    puts $f {
	proc accept {file addr port} {
	proc accept {sock addr port} {
            global x
            puts "[gets $file]"
            close $file
            puts "[gets $sock]"
            close $sock
            set x done
	}
	puts ready
	vwait x
	after cancel $timer
	close $f
    }
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    removeFile script
    set f [open script w]
    puts -nonewline $f {package require tls; tls::socket -server accept 8828}
    close $f
    set f [open "|[list $::tcltest::tcltest script]" r]
    gets $f
    after 100
    set x [list [catch {close $f} msg] $msg]
    set x [list [catch {close $f} msg] [string range $msg 0 43]]
    close $s
    set x
} {1 {couldn't open socket: address already in use
} {1 {couldn't open socket: address already in use}}
    while executing
"::socket -server {tls::_accept {-server 1} accept} 8828"
    ("eval" body line 1)
    invoked from within
"eval ::socket $sopts"
    (procedure "tls::socket" line 62)
    invoked from within
"tls::socket -server accept 8828"
    (file "script" line 1)}}

test tlsIO-2.10 {close on accept, accepted socket lives} {socket knownBug} {
test tlsIO-2.10 {close on accept, accepted socket lives} {socket} {
    set done 0
    set timer [after 20000 "set done timed_out"]
    set ss [tls::socket -server accept -certfile $serverCert -cafile $caCert \
	-keyfile $serverKey 8830]
    proc accept {s a p} {
	global ss
	close $ss
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    close $cs

    vwait done
    after cancel $timer
    set done
} 1

test tlsIO-2.11 {detecting new data} {socket knownBug} {
test tlsIO-2.11 {detecting new data} {socket} {
    proc accept {s a p} {
	global sock
	# when doing an in-process client/server test, both sides need
	# to be non-blocking for the TLS handshake.  Also make sure
	# to return the channel to line buffering mode.
	fconfigure $s -blocking 0 -buffering line
	set sock $s
	set f [open awb.log w]
	puts $f [catch {tls::handshake $sock} err]
	fileevent $s readable [list do_handshake $s]
	puts $f "err: $err"
	puts $f "[tls::status $sock]"
	close $s
    }

    set s [tls::socket -require 0 -request 0 -server accept -certfile $serverCert -cafile $caCert \
	-keyfile $serverKey 8400]
    set s [tls::socket -server accept \
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey 8400]
    set sock ""
    set s2 [tls::socket -certfile $clientCert -cafile $caCert \
	-keyfile $clientKey 127.0.0.1 8400]
    # when doing an in-process client/server test, both sides need
    # to be non-blocking for the TLS handshake  Also make sure to
    # return the channel to line buffering mode (TLS sets it to 'none').
    fconfigure $s2 -blocking 0 -buffering line
    vwait sock
    puts $s2 one
    flush $s2
    # need update to complete TLS handshake in-process
    update
    after 500
    fconfigure $sock -blocking 0
    set result [gets $sock]
    lappend result [gets $sock]
    set result a:[gets $sock]
    lappend result b:[gets $sock]
    fconfigure $sock -blocking 1
    puts $s2 two
    flush $s2
    fconfigure $sock -blocking 0
    lappend result [gets $sock]
    lappend result c:[gets $sock]
    fconfigure $sock -blocking 1
    close $s2
    close $s
    close $sock
    set result
} {one {} two}
} {a:one b: c:two}

test tlsIO-2.12 {tcp connection; no certificates specified} {socket stdio pcCrash} {
    removeFile script
    set f [open script w]
    puts $f {
    	package require tls
	set timer [after 2000 "set x timed_out"]
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        }
    }
    set t1 [after 30000 "set x timed_out"]
    set t2 [after 31000 "set x timed_out"]
    set t3 [after 32000 "set x timed_out"]
    set s [tls::socket \
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey \
    	-server accept 8828]
	    -server accept 8828]
    puts $p1 open
    puts $p2 open
    puts $p3 open
    vwait x
    vwait x
    vwait x
    after cancel $t1
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    if {![catch {tls::socket -server dodo 21} msg]} {
	set x {htons problem, should be disallowed, are you running as SU?}
	close $msg
    }
    set x
} {couldn't open socket: not owner}

if {0} {
    package require tls

    proc accept {s a p} {
	puts [info level 0]
	expr 10 / 0
    }
    set s [tls::socket -server accept 8848]

    proc bgerror args { puts "bgerror: $args" }
    set s [tls::socket zamora.scriptics.com 8848]
}

test tlsIO-6.1 {accept callback error} {unexplainedFailure socket stdio pcCrash} {
test tlsIO-6.1 {accept callback error} { socket stdio pcCrash} {
    # HOBBS: still fails post-rewrite
    removeFile script
    set f [open script w]
    puts $f {
    	package require tls
	gets stdin
	tls::socket 127.0.0.1 8848
    }
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    close $s
    rename bgerror {}
    set x
} {{divide by zero}}

# bug report #5812 fconfigure doesn't return value for '-peername'

test tlsIO-7.1 {testing socket specific options} {knownBug socket stdio} {
test tlsIO-7.1 {testing socket specific options} {socket stdio} {
    removeFile script
    set f [open script w]
    puts $f {
	package require tls
    }
    puts $f "tls::socket -server accept -certfile $serverCert -cafile $caCert -keyfile $serverKey 8820"
    puts $f {
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    lappend l [string compare [lindex $p 0] 127.0.0.1]
    lappend l [string compare [lindex $p 2] 8820]
    lappend l [llength $p]
} {0 0 3}

# bug report #5812 fconfigure doesn't return value for '-sockname'

test tlsIO-7.2 {testing socket specific options} {knownBug socket stdio} {
test tlsIO-7.2 {testing socket specific options} {socket stdio} {
    removeFile script
    set f [open script w]
    puts $f {
	package require tls
    }
    puts $f "tls::socket -server accept -certfile $serverCert -cafile $caCert -keyfile $serverKey 8821"
    puts $f {
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    close $s
    update
    llength $l
} 12

# bug report #5812 fconfigure doesn't return value for '-sockname'

test tlsIO-7.4 {testing socket specific options} {knownBug socket} {
test tlsIO-7.4 {testing socket specific options} {socket} {
    set s [tls::socket \
	-certfile $serverCert -cafile $caCert -keyfile $serverKey \
    	-server accept 8823]
    proc accept {s a p} {
	global x
	set x [fconfigure $s -sockname]
	close $s
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    close $s1
    set l ""
    lappend l [lindex $x 2] [llength $x]
} {8823 3}

# bug report #5812 fconfigure doesn't return value for '-sockname'

test tlsIO-7.5 {testing socket specific options} {knownBug socket unixOrPc} {
test tlsIO-7.5 {testing socket specific options} {socket unixOrPc} {
    set s [tls::socket \
	-certfile $serverCert -cafile $caCert -keyfile $serverKey \
    	-server accept 8829]
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey \
	    -server accept 8829]
    proc accept {s a p} {
	global x
	set x [fconfigure $s -sockname]
	close $s
    }
    set s1 [tls::socket \
	-certfile $clientCert -cafile $caCert -keyfile $clientKey \
    	127.0.0.1 8829]
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    127.0.0.1 8829]
    set timer [after 10000 "set x timed_out"]
    vwait x
    after cancel $timer
    close $s
    close $s1
    set l ""
    lappend l [lindex $x 0] [lindex $x 2] [llength $x]
} {127.0.0.1 8829 3}

test tlsIO-8.1 {testing -async flag on sockets} {unexplainedHang socket} {
    # test seems to hang -- awb 6/2/2000
    # NOTE: This test may fail on some Solaris 2.4 systems. If it does,
    # check that you have these patches installed (using showrev -p):
test tlsIO-8.1 {testing -async flag on sockets} {socket} {
    # HOBBS: still fails post-rewrite
    # NOTE: This test may fail on some Solaris 2.4 systems.
    # See notes in Tcl's socket.test.
    #
    # 101907-05, 101925-02, 101945-14, 101959-03, 101969-05, 101973-03,
    # 101977-03, 101981-02, 101985-01, 102001-03, 102003-01, 102007-01,
    # 102011-02, 102024-01, 102039-01, 102044-01, 102048-01, 102062-03,
    # 102066-04, 102070-01, 102105-01, 102153-03, 102216-01, 102232-01,
    # 101878-03, 101879-01, 101880-03, 101933-01, 101950-01, 102030-01,
    # 102057-08, 102140-01, 101920-02, 101921-09, 101922-07, 101923-03
    #
    # If after installing these patches you are still experiencing a
    # problem, please email [email protected]. We have not observed this
    # failure on Solaris 2.5, so another option (instead of installing
    # these patches) is to upgrade to Solaris 2.5.
    set s [tls::socket \
	-certfile $serverCert -cafile $caCert -keyfile $serverKey \
    	-server accept 8830]
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey \
	    -server accept 8830]
    proc accept {s a p} {
	global x
	# when doing an in-process client/server test, both sides need
	# to be non-blocking for the TLS handshake.  Also make sure
	# to return the channel to line buffering mode.
	fconfigure $s -blocking 0 -buffering line
	puts $s bye
	close $s
	set x done
    }
    set s1 [tls::socket \
	-certfile $clientCert -cafile $caCert -keyfile $clientKey \
	-async [info hostname] 8830]
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    -async [info hostname] 8830]
    # when doing an in-process client/server test, both sides need
    # to be non-blocking for the TLS handshake  Also make sure to
    # return the channel to line buffering mode (TLS sets it to 'none').
    fconfigure $s1 -blocking 0 -buffering line
    vwait x
    # TLS handshaking needs one byte from the client...
    puts $s1 a
    # need update to complete TLS handshake in-process
    update
    set z [gets $s1]
    close $s
    close $s1
    set z
} bye

test tlsIO-9.1 {testing spurious events} {unexplainedHang socket} {
test tlsIO-9.1 {testing spurious events} {socket} {
    # locks up 
    set len 0
    set spurious 0
    set done 0
    proc readlittle {s} {
	global spurious done len
	set l [read $s 1]
	if {[string length $l] == 0} {
	    if {![eof $s]} {
		incr spurious
	    } else {
		close $s
		set done 1
	    }
	} else {
	    incr len [string length $l]
	}
    }
    proc accept {s a p} {
	fconfigure $s -buffering none -blocking off
	fileevent $s readable [list readlittle $s]
	fconfigure $s -blocking 0
	fileevent $s readable [list do_handshake $s readable readlittle \
		-buffering none]
    }
    set s [tls::socket \
	-certfile $serverCert -cafile $caCert -keyfile $serverKey \
   	-server accept 8831]
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey \
	    -server accept 8831]
    set c [tls::socket \
	-certfile $clientCert -cafile $caCert -keyfile $clientKey \
    	[info hostname] 8831]
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    [info hostname] 8831]
    # This differs from socket-9.1 in that both sides need to be
    # non-blocking because of TLS' required handshake
    fconfigure $c -blocking 0
    puts -nonewline $c 01234567890123456789012345678901234567890123456789
    close $c
    set timer [after 10000 "set done timed_out"]
    vwait done
    after cancel $timer
    close $s
    list $spurious $len
} {0 50}

test tlsIO-9.2 {testing async write, fileevents, flush on close} {socket} {
    set firstblock ""
    set firstblock [string repeat a 31]
    for {set i 0} {$i < 5} {incr i} {set firstblock "a$firstblock$firstblock"}
    set secondblock ""
    set secondblock [string repeat b 65535]
    for {set i 0} {$i < 16} {incr i} {
	set secondblock "b$secondblock$secondblock"
    }
    set l [tls::socket \
	-certfile $serverCert -cafile $caCert -keyfile $serverKey \
    	-server accept 8832]
    proc accept {s a p} {
	fconfigure $s -blocking 0 -translation lf -buffersize 16384 \
	fconfigure $s -blocking 0
		-buffering line
	fileevent $s readable "readable $s"
	fileevent $s readable [list do_handshake $s readable readable \
		-translation lf -buffersize 16384 -buffering line]
    }
    proc readable {s} {
	set l [gets $s]
	dputs "got \"[string replace $l 10 end-3 ...]\" \
		([string length $l]) from $s"
	fileevent $s readable {}
	after 1000 respond $s
    }
    proc respond {s} {
	global firstblock
	dputs "send \"[string replace $firstblock 10 end-3 ...]\" \
		([string length $firstblock]) down $s"
	puts -nonewline $s $firstblock
	after 1000 writedata $s
    }
    proc writedata {s} {
	global secondblock
	dputs "send \"[string replace $secondblock 10 end-3 ...]\" \
		([string length $secondblock]) down $s"
	puts -nonewline $s $secondblock
	close $s
    }
    set s [tls::socket \
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey \
	    -server accept 8832]
    set c [tls::socket \
	-certfile $clientCert -cafile $caCert -keyfile $clientKey \
    	[info hostname] 8832]
    fconfigure $s -blocking 0 -trans lf -buffering line
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    [info hostname] 8832]
    fconfigure $c -blocking 0 -trans lf -buffering line
    set count 0
    puts $s hello
    puts $c hello
    proc readit {s} {
	global count done
	set l [read $s]
	incr count [string length $l]
	set data [read $s]
	dputs "read \"[string replace $data 10 end-3 ...]\" \
		([string length $data]) from $s"
	incr count [string length $data]
	if {[eof $s]} {
	    close $s
	    set done 1
	}
    }
    fileevent $s readable "readit $s"
    fileevent $c readable "readit $c"
    set done 0
    set timer [after 10000 "set done timed_out"]
    vwait done
    after cancel $timer
    close $l
    set count
} 65566
    close $s
    list $count $done
} {65566 1}

test tlsIO-9.3 {testing EOF stickyness} {unexplainedHang socket} {
    # hangs
test tlsIO-9.3 {testing EOF stickyness} {unexplainedFailure socket} {
    # HOBBS: never worked correctly
    proc count_to_eof {s} {
	global count done timer
	set l [gets $s]
	if {[eof $s]} {
	    incr count
	    if {$count > 9} {
		close $s
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    set count 0
    set done false
    proc write_then_close {s} {
	puts $s bye
	close $s
    }
    proc accept {s a p} {
	fconfigure $s -buffering line -translation lf
	fileevent $s writable "write_then_close $s"
	fconfigure $s -blocking 0 -buffering line -translation lf
	fileevent $s writable [list do_handshake $s writable write_then_close \
		-buffering line -translation lf]
    }
    set s [tls::socket \
	-certfile $serverCert -cafile $caCert -keyfile $serverKey \
    	-server accept 8833]
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey \
	    -server accept 8833]
    set c [tls::socket \
	-certfile $clientCert -cafile $caCert -keyfile $clientKey \
    	[info hostname] 8833]
    fconfigure $c -blocking off -buffering line -translation lf
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    [info hostname] 8833]
    fconfigure $c -blocking 0 -buffering line -translation lf
    fileevent $c readable "count_to_eof $c"
    set timer [after 1000 timerproc]
    set timer [after 2000 timerproc]
    vwait done
    close $s
    set count
} {eof is sticky}

removeFile script

test tlsIO-10.1 {testing socket accept callback error handling} {socket} {
    set goterror 0
    proc bgerror args {global goterror; set goterror 1}
    set s [tls::socket \
    set s [tls::socket -cafile $caCert -server accept 8898]
	-certfile $serverCert -cafile $caCert -keyfile $serverKey \
    	-server accept 8898]
    proc accept {s a p} {close $s; error}
    set c [tls::socket \
    set c [tls::socket -cafile $caCert 127.0.0.1 8898]
	-certfile $clientCert -cafile $caCert -keyfile $clientKey \
	127.0.0.1 8898]
    vwait goterror
    close $s
    close $c
    set goterror
} 1

test tlsIO-11.1 {tcp connection} {socket doTestsWithRemoteServer} {
    sendCommand "set caCert $caCert"
    sendCertValues
    sendCommand "set serverCert $serverCert"
    sendCommand "set clientCert $clientCert"
    sendCommand "set serverKey $serverKey"
    sendCommand "set clientKey $clientKey"
    sendCommand {
	set socket9_1_test_server [tls::socket -server accept \
		-certfile $serverCert \
		-certfile $serverCert -cafile $caCert -keyfile $serverKey 8834]
		-cafile $caCert \
		-keyfile $serverKey \
		8834]
	proc accept {s a p} {
	    puts $s done
	    tls::handshake $s
	    puts $s done
	    close $s
	}
    }
    set s [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP 8834]
    set r [gets $s]
    close $s
    sendCommand {close $socket9_1_test_server}
    set r
} done

test tlsIO-11.2 {client specifies its port} {socket doTestsWithRemoteServer} {
    sendCommand "set caCert $caCert"
    sendCommand "set serverCert $serverCert"
    sendCommand "set clientCert $clientCert"
    sendCommand "set serverKey $serverKey"
    sendCommand "set clientKey $clientKey"
    if {[info exists port]} {
	incr port
    } else {
	set port [expr $tlsServerPort + [pid]%1024]
    }
    sendCertValues
    sendCommand {
	set socket9_2_test_server [tls::socket -server accept \
		-certfile $serverCert \
		-certfile $serverCert -cafile $caCert -keyfile $serverKey 8835]
		-cafile $caCert \
		-keyfile $serverKey \
	    8835]
	proc accept {s a p} {
	    tls::handshake $s
	    puts $s $p
	    close $s
	}
    }
    set s [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    -myport $port $remoteServerIP 8835]
    set r [gets $s]
    close $s
    sendCommand {close $socket9_2_test_server}
    if {$r == $port} {
	set result ok
    } else {
	set result broken
    }
    set result
} ok

test tlsIO-11.3 {trying to connect, no server} {socket doTestsWithRemoteServer} {
    set status ok
    if {![catch {set s [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIp 8836]}]} {
	if {![catch {gets $s}]} {
	    set status broken
	}
	close $s
    }
    set status
} ok

test tlsIO-11.4 {remote echo, one line} {socket doTestsWithRemoteServer} {
    sendCommand "set caCert $caCert"
    sendCertValues
    sendCommand "set serverCert $serverCert"
    sendCommand "set clientCert $clientCert"
    sendCommand "set serverKey $serverKey"
    sendCommand "set clientKey $clientKey"
    sendCommand {
    	global serverCert
	global caCert
	global serverKey
	set socket10_6_test_server [tls::socket \
		-certfile $serverCert \
		-certfile $serverCert -cafile $caCert -keyfile $serverKey \
		-cafile $caCert \
		-keyfile $serverKey \
		-server accept 8836]
	proc accept {s a p} {
	    tls::handshake $s
	    fileevent $s readable [list echo $s]
	    fconfigure $s -buffering line -translation crlf
	}
	proc echo {s} {
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+
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-







    set r [gets $f]
    close $f
    sendCommand {close $socket10_6_test_server}
    set r
} hello

test tlsIO-11.5 {remote echo, 50 lines} {socket doTestsWithRemoteServer} {
    sendCommand "set caCert $caCert"
    sendCertValues
    sendCommand "set serverCert $serverCert"
    sendCommand "set clientCert $clientCert"
    sendCommand "set serverKey $serverKey"
    sendCommand "set clientKey $clientKey"
    sendCommand {
	set socket10_7_test_server [tls::socket -server accept \
		-certfile $serverCert \
		-certfile $serverCert -cafile $caCert -keyfile $serverKey 8836]
		-cafile $caCert \
		-keyfile $serverKey \
		8836]
	proc accept {s a p} {
	    tls::handshake $s
	    fileevent $s readable [list echo $s]
	    fconfigure $s -buffering line -translation crlf
	}
	proc echo {s} {
	    set l [gets $s]
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	close $s2
    }
    close $s1
    set result
} $conflictResult

test tlsIO-11.7 {server with several clients} {socket doTestsWithRemoteServer} {
    sendCertValues
    sendCommand {
	set socket10_9_test_server [tls::socket \
		-certfile [file join [pwd] certs server.pem] \
		-certfile $serverCert -cafile $caCert -keyfile $serverKey \
		-cafile [file join [pwd] certs caFile.pem] \
		-keyfile [file join [pwd] certs skey.pem] \
		-server accept 8836]
	proc accept {s a p} {
	    # handshake locks up the three synchronous clients
	    # tls::handshake $s
	    fconfigure $s -buffering line
	    fileevent $s readable [list echo $s]
	}
	proc echo {s} {
	    set l [gets $s]
	    if {[eof $s]} {
		close $s
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    close $s1
    close $s2
    close $s3
    sendCommand {close $socket10_9_test_server}
    set i
} 100    

test tlsIO-11.8 {client with several servers} {unexplainedHang socket doTestsWithRemoteServer} {
    # this one seems to hang -- awb 6/2/2000
test tlsIO-11.8 {client with several servers} {socket doTestsWithRemoteServer} {
    sendCertValues
    sendCommand {
	set s1 [tls::socket \
		-certfile [file join [pwd] certs server.pem] \
	tls::init -certfile $serverCert -cafile $caCert -keyfile $serverKey
		-cafile [file join [pwd] certs caFile.pem] \
		-keyfile [file join [pwd] certs skey.pem] \
		-server "accept 4003" 4003]
	set s2 [tls::socket \
	set s1 [tls::socket -server "accept 4003" 4003]
	set s2 [tls::socket -server "accept 4004" 4004]
		-certfile [file join [pwd] certs server.pem] \
		-cafile [file join [pwd] certs caFile.pem] \
		-keyfile [file join [pwd] certs skey.pem] \
		-server "accept 4004" 4004]
	set s3 [tls::socket \
	set s3 [tls::socket -server "accept 4005" 4005]
		-certfile [file join [pwd] certs server.pem] \
		-cafile [file join [pwd] certs caFile.pem] \
		-keyfile [file join [pwd] certs skey.pem] \
		-server "accept 4005" 4005]
	proc accept {mp s a p} {
	    tls::handshake $s
	    puts $s $mp
	    close $s
	}
    }
    set s1 [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP 4003]
    set s2 [tls::socket \
	proc handshake {s mp} {
	    if {[eof $s]} {
		close $s
	    } elseif {[catch {tls::handshake $s} result]} {
		# Some errors are normal.
	    } elseif {$result == 1} {
		# Handshake complete
		fileevent $s readable ""
		puts $s $mp
		close $s
	    }
	}
	proc accept {mp s a p} {
	    # These have to accept non-blocking, because the handshaking
	    # order isn't deterministic
	    fconfigure $s -blocking 0 -buffering line
	    fileevent $s readable [list handshake $s $mp]
	}
    }
    tls::init -certfile $clientCert -cafile $caCert -keyfile $clientKey
    set s1 [tls::socket $remoteServerIP 4003]
    set s2 [tls::socket $remoteServerIP 4004]
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP 4004]
    set s3 [tls::socket \
    set s3 [tls::socket $remoteServerIP 4005]
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP 4005]
    set l ""
    lappend l [gets $s1] [gets $s1] [eof $s1] [gets $s2] [gets $s2] [eof $s2] \
	[gets $s3] [gets $s3] [eof $s3]
    close $s1
    close $s2
    close $s3
    sendCommand {
	close $s1
	close $s2
	close $s3
    }
    set l
} {4003 {} 1 4004 {} 1 4005 {} 1}

test tlsIO-11.9 {accept callback error} {knownBug socket doTestsWithRemoteServer} {
test tlsIO-11.9 {accept callback error} {socket doTestsWithRemoteServer} {
    set s [tls::socket \
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey \
	    -server accept 8836]
    proc accept {s a p} {expr 10 / 0}
    proc bgerror args {
	global x
	set x $args
    }
    sendCommand "set caCert $caCert"
    sendCertValues
    sendCommand "set serverCert $serverCert"
    sendCommand "set clientCert $clientCert"
    sendCommand "set serverKey $serverKey"
    sendCommand "set clientKey $clientKey"
    if {[catch {sendCommand {
	    set peername [fconfigure $callerSocket -peername]
	    set s [tls::socket \
		-certfile $clientCert \
		    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
		-cafile $caCert \
		-keyfile $clientKey \
	    	[lindex $peername 0] 8836]
		    [lindex $peername 0] 8836]
	    close $s
    	 }} msg]} {
	close $s
	error $msg
    }
    set timer [after 10000 "set x timed_out"]
    vwait x
    after cancel $timer
    close $s
    rename bgerror {}
    set x
} {{divide by zero}}

test tlsIO-11.10 {testing socket specific options} {unexplainedFailure socket doTestsWithRemoteServer} {
    sendCommand "set caCert $caCert"
test tlsIO-11.10 {testing socket specific options} {socket doTestsWithRemoteServer} {
    sendCertValues
    sendCommand "set serverCert $serverCert"
    sendCommand "set clientCert $clientCert"
    sendCommand "set serverKey $serverKey"
    sendCommand "set clientKey $clientKey"
    sendCommand {
	set socket10_12_test_server [tls::socket \
		-certfile $serverCert \
		-certfile $serverCert -cafile $caCert -keyfile $serverKey \
		-cafile $caCert \
		-keyfile $serverKey \
		-server accept 8836]
	proc accept {s a p} {close $s}
    }
    set s [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP 8836]
    set p [fconfigure $s -peername]
    set n [fconfigure $s -sockname]
    set l ""
    lappend l [lindex $p 2] [llength $p] [llength $p]
    close $s
    sendCommand {close $socket10_12_test_server}
    set l
} {8836 3 3}

test tlsIO-11.11 {testing spurious events} {unexplainedHang socket doTestsWithRemoteServer} {
    # hangs
    sendCommand "set caCert $caCert"
test tlsIO-11.11 {testing spurious events} {socket doTestsWithRemoteServer} {
    # remote equivalent of 9.1
    sendCertValues
    sendCommand "set serverCert $serverCert"
    sendCommand "set clientCert $clientCert"
    sendCommand "set serverKey $serverKey"
    sendCommand "set clientKey $clientKey"
    sendCommand {
	set socket10_13_test_server [tls::socket \
		-certfile $serverCert \
		-cafile $caCert \
		-keyfile $serverKey \
		-server accept 8836]
	set socket_test_server [tls::socket -server accept \
		-certfile $serverCert -cafile $caCert -keyfile $serverKey 8836]
	proc handshake {s} {
	    if {[eof $s]} {
		close $s
	    } elseif {[catch {tls::handshake $s} result]} {
		# Some errors are normal.
	    } elseif {$result == 1} {
		# Handshake complete
		fileevent $s writable ""
		after 100 writesome $s
	    }
	}
	proc accept {s a p} {
	    tls::handshake $s
	    fconfigure $s -translation "auto lf"
	    after 100 writesome $s
	    fileevent $s writable [list handshake $s]
	}
	proc writesome {s} {
	    for {set i 0} {$i < 100} {incr i} {
		puts $s "line $i from remote server"
	    }
	    close $s
	}
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	} else {
	    incr len [string length $l]
	}
    }
    set c [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP 8836]
    # Get the buffering corrected
    fconfigure $c -buffering line
    # Put a byte into the client pipe to trigger TLS handshaking
    puts $c a
    fileevent $c readable "readlittle $c"
    fileevent $c readable [list readlittle $c]
    set timer [after 10000 "set done timed_out"]
    vwait done
    after cancel $timer
    sendCommand {close $socket10_13_test_server}
    sendCommand {close $socket_test_server}
    list $spurious $len
} {0 2690}

test tlsIO-11.12 {testing EOF stickyness} {knownBug socket doTestsWithRemoteServer} {
test tlsIO-11.12 {testing EOF stickyness} {unexplainedFailure socket doTestsWithRemoteServer} {
    # remote equivalent of 9.3
    # HOBBS: never worked correctly
    set counter 0
    set done 0
    proc count_up {s} {
	global counter done after_id
	set l [gets $s]
	if {[eof $s]} {
	    incr counter
	    if {$counter > 9} {
		set done {EOF is sticky}
		after cancel $after_id
		close $s
	    }
	}
    }
    proc timed_out {} {
	global c done
	set done {timed_out, EOF is not sticky}
	close $c
    }
    sendCommand "set caCert $caCert"
    sendCertValues
    sendCommand "set serverCert $serverCert"
    sendCommand "set clientCert $clientCert"
    sendCommand "set serverKey $serverKey"
    sendCommand "set clientKey $clientKey"
    sendCommand {
	set socket10_14_test_server [tls::socket \
		-certfile $serverCert \
		-certfile $serverCert -cafile $caCert -keyfile $serverKey \
		-cafile $caCert \
		-keyfile $serverKey \
		-server accept 8836]
	proc accept {s a p} {
	    tls::handshake $s
	    after 100 close $s
	}
    }
    set c [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
    	$remoteServerIP 8836]
	    $remoteServerIP 8836]
    fileevent $c readable "count_up $c"
    set after_id [after 1000 timed_out]
    vwait done
    sendCommand {close $socket10_14_test_server}
    set done
} {EOF is sticky}

test tlsIO-11.13 {testing async write, async flush, async close} \
	{socket doTestsWithRemoteServer} {
    proc readit {s} {
	global count done
	set l [read $s]
	incr count [string length $l]
	if {[eof $s]} {
	    close $s
	    set done 1
	}
    }
    sendCommand "set caCert $caCert"
    sendCertValues
    sendCommand "set serverCert $serverCert"
    sendCommand "set clientCert $clientCert"
    sendCommand "set serverKey $serverKey"
    sendCommand "set clientKey $clientKey"
    sendCommand {
	set firstblock ""
	set firstblock [string repeat a 31]
	for {set i 0} {$i < 5} {incr i} {
		set firstblock "a$firstblock$firstblock"
	}
	set secondblock ""
	set secondblock [string repeat b 65535]
	for {set i 0} {$i < 16} {incr i} {
	    set secondblock "b$secondblock$secondblock"
	}
	set l [tls::socket \
		-certfile $serverCert \
		-certfile $serverCert -cafile $caCert -keyfile $serverKey \
		-cafile $caCert \
		-keyfile $serverKey \
		-server accept 8845]
	proc accept {s a p} {
	    tls::handshake $s
	    fconfigure $s -blocking 0 -translation lf -buffersize 16384 \
		-buffering line
		    -buffering line
	    fileevent $s readable "readable $s"
	}
	proc readable {s} {
	    set l [gets $s]
	    fileevent $s readable {}
	    after 1000 respond $s
	}
	proc respond {s} {
	    global firstblock
	    puts -nonewline $s $firstblock
	    after 1000 writedata $s
	}
	proc writedata {s} {
	    global secondblock
	    puts -nonewline $s $secondblock
	    close $s
	}
    }
    set s [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
    	$remoteServerIP 8845]
    fconfigure $s -blocking 0 -trans lf -buffering line
	    $remoteServerIP 8845]
    fconfigure $s -blocking 0 -translation lf -buffering line
    set count 0
    puts $s hello
    fileevent $s readable "readit $s"
    set timer [after 10000 "set done timed_out"]
    vwait done
    after cancel $timer
    sendCommand {close $l}
    set count
} 65566

test tlsIO-12.1 {testing inheritance of server sockets} \
test tlsIO-12.1 {testing inheritance of server sockets} {socket exec} {
	{socket doTestsWithRemoteServer} {
    removeFile script1
    removeFile script2
    makeFile {} script1
    makeFile {} script2

    # Script1 is just a 10 second delay.  If the server socket
    # is inherited, it will be held open for 10 seconds

    set f [open script1 w]
    puts $f {
	after 10000 exit
	vwait forever
    }
    close $f

    # Script2 creates the server socket, launches script1,
    # waits a second, and exits.  The server socket will now
    # be closed unless script1 inherited it.

    set f [open script2 w]
    # puts $f [list set tcltest $::tcltest::tcltest]
    puts $f [list set tclsh [info nameofexecutable]]
    puts $f [list set tclsh $::tcltest::tcltest]
    puts $f {
	package require tcltest
	package require tls
    puts $f {package require tls}
    }
    puts $f "set f \[tls::socket -server accept -certfile $serverCert -cafile $caCert -keyfile $serverKey 8828 \]"
    puts $f "set f \[tls::socket -server accept \
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey 8828\]"
    puts $f {
	proc accept { file addr port } {
	    close $file
	}
	# exec $::tcltest::tcltest script1 &
	exec $tclsh script1 &
	close $f
	after 1000 exit
	vwait forever
    }
    close $f
	
    # Launch script2 and wait 5 seconds

    # exec $::tcltest::tcltest script2 &
    exec $::tcltest::tcltest script2 &
    exec [info nameofexecutable] script2 &
    after 5000 { set ok_to_proceed 1 }
    vwait ok_to_proceed

    # If we can still connect to the server, the socket got inherited.

    if {[catch {tls::socket \
	-certfile $clientCert -cafile $caCert -keyfile $clientKey \
   	 127.0.0.1 8828} msg]} {
	set x {server socket was not inherited}
    } else {
	close $msg
	set x {server socket was inherited}
    }

    removeFile script1
    removeFile script2
    set x
} {server socket was not inherited}

test tlsIO-12.2 {testing inheritance of client sockets} \
test tlsIO-12.2 {testing inheritance of client sockets} {socket exec} {
	{unexplainedFailure socket doTestsWithRemoteServer} {
    removeFile script1
    removeFile script2
    makeFile {} script1
    makeFile {} script2

    # Script1 is just a 10 second delay.  If the server socket
    # is inherited, it will be held open for 10 seconds

    set f [open script1 w]
    puts $f {
	after 10000 exit
	vwait forever
    }
    close $f

    # Script2 opens the client socket and writes to it.  It then
    # launches script1 and exits.  If the child process inherited the
    # client socket, the socket will still be open.

    set f [open script2 w]
    puts $f [list set tclsh [info nameofexecutable]]
    puts $f [list set tclsh $::tcltest::tcltest]
    puts $f {
    	package require tls
    puts $f {package require tls}
    }
    puts $f "set f \[tls::socket -certfile $clientCert -cafile $caCert -keyfile $clientKey 127.0.0.1 8829 \]"
    puts $f "set f \[tls::socket -certfile $clientCert -cafile $caCert \
	    -keyfile $clientKey 127.0.0.1 8829\]"
    puts $f {
	exec $tclsh script1 &
	puts $f testing
	flush $f
	after 1000 exit
	vwait forever
    }
    close $f

    # Create the server socket

    set server [tls::socket \
	-certfile $serverCert -cafile $caCert -keyfile $serverKey \
	-server accept 8829]
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey \
	    -server accept 8829]
    proc accept { file host port } {

	# When the client connects, establish the read handler
	global server
	close $server
	fconfigure $file -blocking 0
	fileevent $file readable [list getdata $file]
	fconfigure $file -buffering line -blocking 0
	fileevent $file readable [list do_handshake $file readable getdata \
		-buffering line]
	return
    }
    proc getdata { file } {

	# Read handler on the accepted socket.
	global x
	global failed
	set status [catch {read $file} data]
	if {$status != 0} {
	    set x {read failed, error was $data}
	    catch { close $file }
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    # script1 process must have inherited the client.

    set failed 0
    after 5000 [list set failed 1]

    # Launch the script2 process

    exec [info nameofexecutable] script2 &
    exec $::tcltest::tcltest script2 &

    vwait x
    if {!$failed} {
	vwait failed
    }
    removeFile script1
    removeFile script2
    set x
} {client socket was not inherited}

test tlsIO-12.3 {testing inheritance of accepted sockets} \
test tlsIO-12.3 {testing inheritance of accepted sockets} {socket exec} {
	{hangsOnLinux socket doTestsWithRemoteServer} {
    # hangs on Linux
    removeFile script1
    removeFile script2
    makeFile {} script1
    makeFile {} script2

    set f [open script1 w]
    puts $f {
	after 10000 exit
	vwait forever
    }
    close $f

    set f [open script2 w]
    puts $f [list set tclsh [info nameofexecutable]]
    puts $f [list set tclsh $::tcltest::tcltest]
    puts $f {
    	package require tls
    puts $f {package require tls}
    }
    puts $f "catch {set f \[tls::socket -server accept -certfile $serverCert -cafile $caCert -keyfile $serverKey 8930 \]}"
    puts $f "set f \[tls::socket -server accept \
	    -certfile $serverCert -cafile $caCert -keyfile $serverKey 8930\]"
    puts $f {
	proc accept { file host port } {
	    global tclsh
	    fconfigure $file -buffering line
	    puts $file {test data on socket}
	    exec $tclsh script1 &
	    after 1000 exit
	}
	catch {vwait forever}
	vwait forever
    }
    close $f

    # Launch the script2 process and connect to it.  See how long
    # the socket stays open

    exec [info nameofexecutable] script2 &
    exec $::tcltest::tcltest script2 &

    after 1000 set ok_to_proceed 1
    after 2000 set ok_to_proceed 1
    vwait ok_to_proceed

    set f [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    127.0.0.1 8930]
    fconfigure $f -buffering full -blocking 0
    # We need to put a byte into the read queue, otherwise the
    # TLS handshake doesn't finish
    puts $f a; flush $f
    fileevent $f readable [list getdata $f]

    # If the socket is still open after 5 seconds, the script1 process
    # must have inherited the accepted socket.

    set failed 0
    after 5000 set failed 1

    proc getdata { file } {

	# Read handler on the client socket.
	global x
	global failed
	set status [catch {read $file} data]
	if {$status != 0} {
	    set x {read failed, error was $data}
	    set x "read failed, error was $data"
	    catch { close $file }
	} elseif {[string compare {} $data]} {
	} elseif {[fblocked $file]} {
	} elseif {[eof $file]} {
	    if {$failed} {
		set x {accepted socket was inherited}
	    } else {
		set x {accepted socket was not inherited}
	    }
	    catch { close $file }
	} else {
	    set x {impossible case}
	    catch { close $file }
	}
	return
    }
    
    vwait x

    removeFile script1
    removeFile script2
    set x
} {accepted socket was not inherited}

test tlsIO-13.1 {Testing use of shared socket between two threads} \
	{socket testthread} {

    # HOBBS: never tested
    removeFile script
    threadReap

    makeFile {
    	package require tls
	set f [tls::socket -server accept 8828]
	proc accept {s a p} {
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-
   flush $commandSocket
}
catch {close $commandSocket}
catch {close $remoteProcChan}
::tcltest::cleanupTests
flush stdout
return