Check-in [977988aed6]

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Overview
Comment: * tests/tlsIO.test: corrected various tests to be correct for TLS stacked channels (as opposed to the standard sockets the test suite was adopted from). Key differences are that TLS cannot operate in one process without all channels being non-blocking, or the handshake will block, and handshaking must be forced in some cases. Also, handshakes don't seem to complete unless the client has placed at least one byte for the server to read in the channel. * tests/remote.tcl: corrected the finding of tests certificates * tlsIO.c (TlsCloseProc): removed deleting of timer handler as that is handled by Tls_Clean. * tls.tcl (tls::_accept): corrected the internal _accept to trickle callback errors to the user. * Makefile.in: made the install-binaries target regenerate the pkgIndex.tcl correctly. The test target probably shouldn't screw it up, but this is to be on the safe side.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | tls-1-3-io-rewrite
Files: files | file ages | folders
SHA1:977988aed66c30a7f6baa3cf7217dd7b6aabb6bd
User & Date: hobbs 2000-07-21 05:32:56
Context
2000-07-26
22:15
* tls.c (ImportObjCmd): removed unnecessary use of 'bio' arg. (Tls_Init): check return value of SSL_library_init. Also lots of whitespace cleanup (more like Tcl Eng style guide), but not all code was cleaned up. * tlsBIO.c: minor whitespace cleanup * tlsIO.c: minor whitespace cleanup. (TlsInputProc, TlsOutputProc): Added ERR_clear_error before calls to BIO_read or BIO_write, because we could otherwise end up pulling an error off the stack that didn't belong to us. Also cleanup up excessive use of gotos. check-in: e64e21d80e user: hobbs tags: tls-1-3-io-rewrite
2000-07-21
05:32
* tests/tlsIO.test: corrected various tests to be correct for TLS stacked channels (as opposed to the standard sockets the test suite was adopted from). Key differences are that TLS cannot operate in one process without all channels being non-blocking, or the handshake will block, and handshaking must be forced in some cases. Also, handshakes don't seem to complete unless the client has placed at least one byte for the server to read in the channel. * tests/remote.tcl: corrected the finding of tests certificates * tlsIO.c (TlsCloseProc): removed deleting of timer handler as that is handled by Tls_Clean. * tls.tcl (tls::_accept): corrected the internal _accept to trickle callback errors to the user. * Makefile.in: made the install-binaries target regenerate the pkgIndex.tcl correctly. The test target probably shouldn't screw it up, but this is to be on the safe side. check-in: 977988aed6 user: hobbs tags: tls-1-3-io-rewrite
2000-07-17
23:17
* pkgIndex.tcl.in: * configure.in: updated version to 1.4 check-in: 1e0de94a93 user: hobbs tags: tls-1-3-io-rewrite
Changes

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2000-07-17  Jeff Hobbs  <hobbs@scriptics.com>

	* pkgIndex.tcl.in:
	* configure.in: updated version to 1.4

2000-07-13  Jeff Hobbs  <hobbs@scriptics.com>

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2000-07-20  Jeff Hobbs  <hobbs@scriptics.com>

	* tests/tlsIO.test: corrected various tests to be correct for TLS
	stacked channels (as opposed to the standard sockets the test
	suite was adopted from).  Key differences are that TLS cannot
	operate in one process without all channels being non-blocking, or
	the handshake will block, and handshaking must be forced in some
	cases.  Also, handshakes don't seem to complete unless the client
	has placed at least one byte for the server to read in the channel.

	* tests/remote.tcl: corrected the finding of tests certificates

	* tlsIO.c (TlsCloseProc): removed deleting of timer handler as
	that is handled by Tls_Clean.

	* tls.tcl (tls::_accept): corrected the internal _accept to
	trickle callback errors to the user.

	* Makefile.in: made the install-binaries target regenerate the
	pkgIndex.tcl correctly.  The test target probably shouldn't screw
	it up, but this is to be on the safe side.

2000-07-17  Jeff Hobbs  <hobbs@scriptics.com>

	* pkgIndex.tcl.in:
	* configure.in: updated version to 1.4

2000-07-13  Jeff Hobbs  <hobbs@scriptics.com>

Changes to Makefile.in.

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#
# Copyright (c) 1999-2000 Ajuba Solutions.
# All rights reserved.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: Makefile.in,v 1.13 2000/06/21 21:00:56 wart Exp $


lib_BINARIES=$(tls_LIB_FILE)
BINARIES=$(lib_BINARIES)

#========================================================================
# Enumerate the names of the source files included in this package.
................................................................................
libdir = @libdir@
infodir = @infodir@
mandir = @mandir@
includedir = @includedir@
oldincludedir = /usr/include

DESTDIR =


pkgdatadir = $(datadir)/@PACKAGE@@VERSION@
pkglibdir = $(libdir)/@PACKAGE@@VERSION@
pkgincludedir = $(includedir)/@PACKAGE@@VERSION@

top_builddir = .

................................................................................
libraries: $(tls_SCRIPT_FILES)

doc:

install: all install-binaries install-libraries install-doc

install-binaries: binaries install-lib-binaries install-bin-binaries



	$(INSTALL_DATA) pkgIndex.tcl $(pkglibdir)

#========================================================================
# This rule installs platform-independent files, such as header files.
#========================================================================

install-libraries: libraries







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#
# Copyright (c) 1999-2000 Ajuba Solutions.
# All rights reserved.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: Makefile.in,v 1.13.2.1 2000/07/21 05:32:56 hobbs Exp $


lib_BINARIES=$(tls_LIB_FILE)
BINARIES=$(lib_BINARIES)

#========================================================================
# Enumerate the names of the source files included in this package.
................................................................................
libdir = @libdir@
infodir = @infodir@
mandir = @mandir@
includedir = @includedir@
oldincludedir = /usr/include

DESTDIR =
RELPATH = @RELPATH@

pkgdatadir = $(datadir)/@PACKAGE@@VERSION@
pkglibdir = $(libdir)/@PACKAGE@@VERSION@
pkgincludedir = $(includedir)/@PACKAGE@@VERSION@

top_builddir = .

................................................................................
libraries: $(tls_SCRIPT_FILES)

doc:

install: all install-binaries install-libraries install-doc

install-binaries: binaries install-lib-binaries install-bin-binaries
	sed -e "s#\@RELPATH\@#$(RELPATH)#" \
	-e "s#\@tls_LIB_FILE\@#$(tls_LIB_FILE)#" \
	< $(srcdir)/pkgIndex.tcl.in > pkgIndex.tcl
	$(INSTALL_DATA) pkgIndex.tcl $(pkglibdir)

#========================================================================
# This rule installs platform-independent files, such as header files.
#========================================================================

install-libraries: libraries

Changes to tests/remote.tcl.

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# Source this file in the remote server you are using to test Tcl against.
#
# Copyright (c) 1995-1996 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: remote.tcl,v 1.4 2000/06/06 22:01:41 aborr Exp $

# load tls package
package require tls

# Initialize message delimitor

# Initialize command array
................................................................................
    puts "from the shell. The tests will not work properly if you set"
    puts "remoteServerIP to \"localhost\" or 127.0.0.1."
    puts ""
    puts -nonewline "Type Ctrl-C to terminate--> "
    flush stdout
}





if {[catch {set serverSocket \
    [tls::socket -myaddr $serverAddress -server __accept__ \
    	-cafile [file join [pwd] certs cacert.pem] \
    	-certfile [file join [pwd] certs server.pem] \
    	-keyfile [file join [pwd] certs skey.pem] \

	$serverPort]} msg]} {
    puts "Server on $serverAddress:$serverPort cannot start: $msg"
} else {
    vwait __server_wait_variable__
}


















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# Source this file in the remote server you are using to test Tcl against.
#
# Copyright (c) 1995-1996 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: remote.tcl,v 1.4.2.1 2000/07/21 05:32:57 hobbs Exp $

# load tls package
package require tls

# Initialize message delimitor

# Initialize command array
................................................................................
    puts "from the shell. The tests will not work properly if you set"
    puts "remoteServerIP to \"localhost\" or 127.0.0.1."
    puts ""
    puts -nonewline "Type Ctrl-C to terminate--> "
    flush stdout
}

set certsDir	[file join [file dirname [info script]] certs]
set serverCert	[file join $certsDir server.pem]
set caCert	[file join $certsDir cacert.pem]
set serverKey	[file join $certsDir skey.pem]
if {[catch {set serverSocket \
	[tls::socket -myaddr $serverAddress -server __accept__ \



	-cafile $caCert -certfile $serverCert -keyfile $serverKey \
	$serverPort]} msg]} {
    puts "Server on $serverAddress:$serverPort cannot start: $msg"
} else {
    vwait __server_wait_variable__
}











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#
# 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 1.14.2.3 2000/07/14 04:10:23 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
................................................................................
# 
#     % 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
# 
# 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.



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] 


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

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


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

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
























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

set doTestsWithRemoteServer 1
if {![info exists remoteServerIP] && ($tcl_platform(platform) != "macintosh")} {
................................................................................

set remoteProcChan ""
set commandSocket ""
if {$doTestsWithRemoteServer} {
    catch {close $commandSocket}
    if {[catch {set commandSocket [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP \
	    $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 \
					-port $remoteServerPort \
					-address $remoteServerIP]" \
					w+]} \
		   msg] == 0} {
		after 1000
		if {[catch {set commandSocket [tls::socket \
		    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
				$remoteServerIP \
				$remoteServerPort]} msg] == 0} {
		    fconfigure $commandSocket -translation crlf -buffering line
		} else {
		    set noRemoteTestReason $msg
		    set doTestsWithRemoteServer 0
		}
	    } else {
		set noRemoteTestReason "$msg $::tcltest::tcltest"
................................................................................
		    return [lindex $resp 1]
		}
	    } else {
		append resp $line "\n"
	    }
	}
    }















}

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} {
................................................................................
    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]
    close $s
    set x
} {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} {
    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} {
................................................................................
    close $cs

    vwait done
    after cancel $timer
    set done
} 1

test tlsIO-2.11 {detecting new data} {socket knownBug} {
    # HOBBS: hung pre-rewrite, hangs post-rewrite
    proc accept {s a p} {
	global sock




	set sock $s
	set f [open awb.log w]
	puts $f [catch {tls::handshake $sock} err]
	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 sock ""
    set s2 [tls::socket -certfile $clientCert -cafile $caCert \
	-keyfile $clientKey 127.0.0.1 8400]




    vwait sock
    puts $s2 one
    flush $s2


    after 500
    fconfigure $sock -blocking 0
    set result [gets $sock]
    lappend result [gets $sock]
    fconfigure $sock -blocking 1
    puts $s2 two
    flush $s2
    fconfigure $sock -blocking 0
    lappend result [gets $sock]
    fconfigure $sock -blocking 1
    close $s2
    close $s
    close $sock
    set result
} {one {} 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"]
................................................................................
        }
    }
    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]
    puts $p1 open
    puts $p2 open
    puts $p3 open
    vwait x
    vwait x
    vwait x
    after cancel $t1
................................................................................
    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}














test tlsIO-6.1 {accept callback error} {unexplainedFailure 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
................................................................................
    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} {socket unixOrPc} {
    set s [tls::socket \
	-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]
    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} {
    # HOBBS: still fails post-rewrite
    # 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):
    #
    # 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 jyl@eng.sun.com. 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]
    proc accept {s a p} {
	global x




	puts $s bye
	close $s
	set x done
    }
    set s1 [tls::socket \
	-certfile $clientCert -cafile $caCert -keyfile $clientKey \
	-async [info hostname] 8830]




    vwait x




    set z [gets $s1]
    close $s
    close $s1
    set z
} bye

test tlsIO-9.1 {testing spurious events} {unexplainedHang socket} {
    # HOBBS: still fails post-rewrite
    # 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} {
................................................................................
		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]

    }
    set s [tls::socket \
	-certfile $serverCert -cafile $caCert -keyfile $serverKey \
   	-server accept 8831]
    set c [tls::socket \
	-certfile $clientCert -cafile $caCert -keyfile $clientKey \
    	[info hostname] 8831]



    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} {
    # HOBBS: This hangs when I turn blocking on.
    #
    set firstblock ""
    for {set i 0} {$i < 5} {incr i} {set firstblock "a$firstblock$firstblock"}
    set secondblock ""
    for {set i 0} {$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 \

		-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 \
    	[info hostname] 8832]
    fconfigure $s -blocking 0 -trans lf -buffering line
    set count 0
    puts $s hello
    proc readit {s} {
	global count done
	set l [read $s]


	incr count [string length $l]
	if {[eof $s]} {
	    close $s
	    set done 1
	}
    }
    fileevent $s readable "readit $s"
    set done 0
    set timer [after 10000 "set done timed_out"]
    vwait done
    after cancel $timer
    close $l
    list $count $done
} {65566 1}

test tlsIO-9.3 {testing EOF stickyness} {unexplainedHang socket} {
    # HOBBS: still fails post-rewrite
    # hangs
    proc count_to_eof {s} {
	global count done timer
	set l [gets $s]
	if {[eof $s]} {
	    incr count
	    if {$count > 9} {
		close $s
................................................................................
    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"
    }
    set s [tls::socket \
	-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
    fileevent $c readable "count_to_eof $c"
    set timer [after 1000 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 \
	-certfile $serverCert -cafile $caCert -keyfile $serverKey \
    	-server accept 8898]
    proc accept {s a p} {close $s; error}
    set c [tls::socket \
	-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"
    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 \
		-cafile $caCert \
		-keyfile $serverKey \
		8834]
	proc accept {s a p} {
	    puts $s done
	    tls::handshake $s

	    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]
    }

    sendCommand {
	set socket9_2_test_server [tls::socket -server accept \
		-certfile $serverCert \
		-cafile $caCert \
		-keyfile $serverKey \
	    8835]
	proc accept {s a p} {
	    tls::handshake $s
	    puts $s $p
	    close $s
	}
    }
    set s [tls::socket \
................................................................................
    if {$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"
    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 \
		-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} {
................................................................................
    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"
    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 \
		-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]
................................................................................
	close $s2
    }
    close $s1
    set result
} $conflictResult

test tlsIO-11.7 {server with several clients} {socket doTestsWithRemoteServer} {

    sendCommand {
	set socket10_9_test_server [tls::socket \
		-certfile [file join [pwd] certs server.pem] \
		-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
................................................................................
    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
    sendCommand {
	set s1 [tls::socket \
		-certfile [file join [pwd] certs server.pem] \
		-cafile [file join [pwd] certs caFile.pem] \
		-keyfile [file join [pwd] certs skey.pem] \
		-server "accept 4003" 4003]
	set s2 [tls::socket \
		-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 \
		-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 \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP 4004]
    set s3 [tls::socket \
	    -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} {
    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"
    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 \
		-cafile $caCert \
		-keyfile $clientKey \
	    	[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"
    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 \
		-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 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"
    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]
	proc accept {s a p} {
	    tls::handshake $s
	    fconfigure $s -translation "auto lf"
	    after 100 writesome $s



	}
	proc writesome {s} {
	    for {set i 0} {$i < 100} {incr i} {
		puts $s "line $i from remote server"
	    }
	    close $s
	}
................................................................................
	} else {
	    incr len [string length $l]
	}
    }
    set c [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP 8836]




    fileevent $c readable "readlittle $c"
    set timer [after 10000 "set done timed_out"]
    vwait done
    after cancel $timer
    sendCommand {close $socket10_13_test_server}
    list $spurious $len
} {0 2690}

test tlsIO-11.12 {testing EOF stickyness} {knownBug socket doTestsWithRemoteServer} {


    set counter 0
    set done 0
    proc count_up {s} {
	global counter done after_id
	set l [gets $s]
	if {[eof $s]} {
	    incr counter
................................................................................
	}
    }
    proc timed_out {} {
	global c done
	set done {timed_out, EOF is not sticky}
	close $c
    }
    sendCommand "set caCert $caCert"
    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 \
		-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]
    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}

................................................................................
	set l [read $s]
	incr count [string length $l]
	if {[eof $s]} {
	    close $s
	    set done 1
	}
    }
    sendCommand "set caCert $caCert"
    sendCommand "set serverCert $serverCert"
    sendCommand "set clientCert $clientCert"
    sendCommand "set serverKey $serverKey"
    sendCommand "set clientKey $clientKey"
    sendCommand {
	set firstblock ""
	for {set i 0} {$i < 5} {incr i} {
		set firstblock "a$firstblock$firstblock"
	}
	set secondblock ""
	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 8845]
	proc accept {s a p} {
	    tls::handshake $s
	    fconfigure $s -blocking 0 -translation lf -buffersize 16384 \
		-buffering line
	    fileevent $s readable "readable $s"
	}
	proc readable {s} {
	    set l [gets $s]
	    fileevent $s readable {}
	    after 1000 respond $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
    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} \
	{socket doTestsWithRemoteServer} {
    removeFile script1
    removeFile 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
................................................................................
    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 {
	package require tcltest
	package require tls
    }

    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 [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} \
	{unexplainedFailure socket doTestsWithRemoteServer} {
    removeFile script1
    removeFile 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
................................................................................
    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 {
    	package require tls
    }
    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]
    proc accept { file host port } {

	# When the client connects, establish the read handler
	global server
	close $server

	fileevent $file readable [list getdata $file]
	fconfigure $file -buffering line -blocking 0
	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 }
................................................................................
    # script1 process must have inherited the client.

    set failed 0
    after 5000 [list set failed 1]

    # Launch the script2 process

    exec [info nameofexecutable] 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} \
	{hangsOnLinux socket doTestsWithRemoteServer} {
    # hangs on Linux
    removeFile script1
    removeFile 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 {
    	package require tls
    }

    puts $f "catch {set f \[tls::socket -server accept -certfile $serverCert -cafile $caCert -keyfile $serverKey 8930 \]}"
    puts $f {
	proc accept { file host port } {
	    global tclsh

	    puts $file {test data on socket}
	    exec $tclsh script1 &
	    after 1000 exit
	}
	catch {vwait forever}
    }
    close $f

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

    exec [info nameofexecutable] script2 &

    after 1000 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



    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}
	    catch { close $file }
	} elseif {[string compare {} $data]} {
	} elseif {[fblocked $file]} {
	} elseif {[eof $file]} {
	    if {$failed} {
		set x {accepted socket was inherited}
	    } 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} {

    removeFile script
    threadReap

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








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#
# 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 1.14.2.4 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
................................................................................
# 
#     % 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% 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

# 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]

# 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]} {
................................................................................
	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")} {
................................................................................

set remoteProcChan ""
set commandSocket ""
if {$doTestsWithRemoteServer} {
    catch {close $commandSocket}
    if {[catch {set commandSocket [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \

	    $remoteServerIP $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 -port $remoteServerPort \
		    -address $remoteServerIP]" w+]} msg] == 0} {


		after 1000
		if {[catch {set commandSocket [tls::socket -cafile $caCert \
			-certfile $clientCert -keyfile $clientKey \

			$remoteServerIP $remoteServerPort]} msg] == 0} {
		    fconfigure $commandSocket -translation crlf -buffering line
		} else {
		    set noRemoteTestReason $msg
		    set doTestsWithRemoteServer 0
		}
	    } else {
		set noRemoteTestReason "$msg $::tcltest::tcltest"
................................................................................
		    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} {
................................................................................
    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] [string range $msg 0 43]]
    close $s
    set x
} {1 {couldn't open socket: address already in use}}










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} {
................................................................................
    close $cs

    vwait done
    after cancel $timer
    set done
} 1

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



	fileevent $s readable [list do_handshake $s]

    }


    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 a:[gets $sock]
    lappend result b:[gets $sock]
    fconfigure $sock -blocking 1
    puts $s2 two
    flush $s2
    fconfigure $sock -blocking 0
    lappend result c:[gets $sock]
    fconfigure $sock -blocking 1
    close $s2
    close $s
    close $sock
    set result
} {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"]
................................................................................
        }
    }
    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]
    puts $p1 open
    puts $p2 open
    puts $p3 open
    vwait x
    vwait x
    vwait x
    after cancel $t1
................................................................................
    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} { 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
................................................................................
    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} {socket unixOrPc} {
    set s [tls::socket \
	    -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]
    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} {socket} {
    # HOBBS: still fails post-rewrite

    # NOTE: This test may fail on some Solaris 2.4 systems.













    # See notes in Tcl's socket.test.
    set s [tls::socket \
	    -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]
    # 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} {socket} {


    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} {
................................................................................
		set done 1
	    }
	} else {
	    incr len [string length $l]
	}
    }
    proc accept {s a p} {
	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]
    set c [tls::socket \
	    -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 [string repeat a 31]

    set secondblock [string repeat b 65535]






    proc accept {s a p} {
	fconfigure $s -blocking 0
	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 $c -blocking 0 -trans lf -buffering line
    set count 0
    puts $c hello
    proc readit {s} {
	global count done
	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 $c readable "readit $c"
    set done 0
    set timer [after 10000 "set done timed_out"]
    vwait done
    after cancel $timer
    close $s
    list $count $done
} {65566 1}

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
................................................................................
    set count 0
    set done false
    proc write_then_close {s} {
	puts $s bye
	close $s
    }
    proc accept {s a p} {
	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]
    set c [tls::socket \
	    -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 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 -cafile $caCert -server accept 8898]
    proc accept {s a p} {close $s; error}
    set c [tls::socket -cafile $caCert 127.0.0.1 8898]


    vwait goterror
    close $s
    close $c
    set goterror
} 1

test tlsIO-11.1 {tcp connection} {socket doTestsWithRemoteServer} {
    sendCertValues




    sendCommand {
	set socket9_1_test_server [tls::socket -server accept \
		-certfile $serverCert -cafile $caCert -keyfile $serverKey 8834]



	proc accept {s a p} {

	    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} {





    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 -cafile $caCert -keyfile $serverKey 8835]



	proc accept {s a p} {
	    tls::handshake $s
	    puts $s $p
	    close $s
	}
    }
    set s [tls::socket \
................................................................................
    if {$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} {
    sendCertValues




    sendCommand {



	set socket10_6_test_server [tls::socket \
		-certfile $serverCert -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} {
................................................................................
    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} {
    sendCertValues




    sendCommand {
	set socket10_7_test_server [tls::socket -server accept \
		-certfile $serverCert -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]
................................................................................
	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 $serverCert -cafile $caCert -keyfile $serverKey \

		-server accept 8836]
	proc accept {s a p} {


	    fconfigure $s -buffering line
	    fileevent $s readable [list echo $s]
	}
	proc echo {s} {
	    set l [gets $s]
	    if {[eof $s]} {
		close $s
................................................................................
    close $s1
    close $s2
    close $s3
    sendCommand {close $socket10_9_test_server}
    set i
} 100    

test tlsIO-11.8 {client with several servers} {socket doTestsWithRemoteServer} {
    sendCertValues
    sendCommand {
	tls::init -certfile $serverCert -cafile $caCert -keyfile $serverKey
	set s1 [tls::socket -server "accept 4003" 4003]
	set s2 [tls::socket -server "accept 4004" 4004]
	set s3 [tls::socket -server "accept 4005" 4005]
	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]
    set s3 [tls::socket $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} {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
    }
    sendCertValues




    if {[catch {sendCommand {
	    set peername [fconfigure $callerSocket -peername]
	    set s [tls::socket \
		    -certfile $clientCert -cafile $caCert -keyfile $clientKey \


		    [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} {socket doTestsWithRemoteServer} {
    sendCertValues




    sendCommand {
	set socket10_12_test_server [tls::socket \
		-certfile $serverCert -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 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} {socket doTestsWithRemoteServer} {
    # remote equivalent of 9.1
    sendCertValues
    sendCommand {
	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} {
	    fconfigure $s -translation "auto lf"
	    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
	}
................................................................................
	} 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 [list readlittle $c]
    set timer [after 10000 "set done timed_out"]
    vwait done
    after cancel $timer
    sendCommand {close $socket_test_server}
    list $spurious $len
} {0 2690}

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
................................................................................
	}
    }
    proc timed_out {} {
	global c done
	set done {timed_out, EOF is not sticky}
	close $c
    }
    sendCertValues




    sendCommand {
	set socket10_14_test_server [tls::socket \
		-certfile $serverCert -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]
    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}

................................................................................
	set l [read $s]
	incr count [string length $l]
	if {[eof $s]} {
	    close $s
	    set done 1
	}
    }
    sendCertValues




    sendCommand {
	set firstblock [string repeat a 31]



	set secondblock [string repeat b 65535]



	set l [tls::socket \
		-certfile $serverCert -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
	    fileevent $s readable "readable $s"
	}
	proc readable {s} {
	    set l [gets $s]
	    fileevent $s readable {}
	    after 1000 respond $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 -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} {socket exec} {
    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
................................................................................
    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 tclsh $::tcltest::tcltest]


    puts $f {package require tls}

    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 $tclsh script1 &
	close $f
	after 1000 exit
	vwait forever
    }
    close $f
	
    # Launch script2 and wait 5 seconds

    exec $::tcltest::tcltest 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}
    }



    set x
} {server socket was not inherited}

test tlsIO-12.2 {testing inheritance of client sockets} {socket exec} {
    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
................................................................................
    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 $::tcltest::tcltest]

    puts $f {package require tls}

    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]
    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 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 }
................................................................................
    # script1 process must have inherited the client.

    set failed 0
    after 5000 [list set failed 1]

    # Launch the script2 process

    exec $::tcltest::tcltest script2 &

    vwait x
    if {!$failed} {
	vwait failed
    }


    set x
} {client socket was not inherited}

test tlsIO-12.3 {testing inheritance of accepted sockets} {socket exec} {
    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 $::tcltest::tcltest]

    puts $f {package require tls}

    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
	}
	vwait forever
    }
    close $f

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

    exec $::tcltest::tcltest script2 &

    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"
	    catch { close $file }
	} elseif {[string compare {} $data]} {
	} elseif {[fblocked $file]} {
	} elseif {[eof $file]} {
	    if {$failed} {
		set x {accepted socket was inherited}
	    } else {
................................................................................
	    set x {impossible case}
	    catch { close $file }
	}
	return
    }
    
    vwait x



    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} {
................................................................................
   flush $commandSocket
}
catch {close $commandSocket}
catch {close $remoteProcChan}
::tcltest::cleanupTests
flush stdout
return

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/*
 * Copyright (C) 1997-1999 Matt Newman <matt@novadigm.com>
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.6.2.1 2000/07/11 04:58:46 hobbs Exp $
 *
 * TLS (aka SSL) Channel - can be layered on any bi-directional
 * Tcl_Channel (Note: Requires Trf Core Patch)
 *
 * This was built (almost) from scratch based upon observation of
 * OpenSSL 0.9.2B
 *
................................................................................
 */

/*
 * Forward declarations
 */

#define F2N( key, dsp) \

	(((key) == NULL)?(char*)NULL:Tcl_TranslateFileName( interp, (key), (dsp)))
#define REASON()	ERR_reason_error_string(ERR_get_error())

static int	CiphersObjCmd _ANSI_ARGS_ ((ClientData clientData, Tcl_Interp *interp,
			   int objc, Tcl_Obj *CONST objv[]));

static int	HandshakeObjCmd _ANSI_ARGS_ ((ClientData clientData, Tcl_Interp *interp,
			   int objc, Tcl_Obj *CONST objv[]));

static int	ImportObjCmd _ANSI_ARGS_ ((ClientData clientData, Tcl_Interp *interp,
			   int objc, Tcl_Obj *CONST objv[]));

static int	StatusObjCmd _ANSI_ARGS_ ((ClientData clientData, Tcl_Interp *interp,
			   int objc, Tcl_Obj *CONST objv[]));
static SSL_CTX *CTX_Init _ANSI_ARGS_((Tcl_Interp *interp, int proto, char *key,
			    char *cert, char *CAdir, char *CAfile, char *ciphers));

#define TLS_PROTO_SSL2	0x01
#define TLS_PROTO_SSL3	0x02
#define TLS_PROTO_TLS1	0x04
#define ENABLED(flag, mask)	(((flag) & (mask)) == (mask))

/*
 * Static data structures
 */

#ifndef NO_DH
/* from openssl/apps/s_server.c */

................................................................................
    chan = Tcl_GetTopChannel(chan);
#endif
    if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
        Tcl_AppendResult(interp, "bad channel \"", Tcl_GetChannelName(chan),
                "\": not a TLS channel", NULL);
        return TCL_ERROR;
    }
    statePtr = (State *)Tcl_GetChannelInstanceData( chan);

    if (!SSL_is_init_finished(statePtr->ssl)) {
	int err;
	ret = Tls_WaitForConnect(statePtr, &err);
	if (ret < 0) {
	    char *errStr = statePtr->err;
	    Tcl_ResetResult(interp);
	    Tcl_SetErrno(err);

	    if (!errStr || *errStr == 0)
	        errStr = Tcl_PosixError(interp);


	    Tcl_AppendResult(interp, "handshake failed: ", errStr, (char*)NULL);

	    return TCL_ERROR;
	}
    }
    Tcl_SetObjResult(interp, Tcl_NewIntObj(ret));
    return TCL_OK;
}
 
................................................................................
 *	Frees all the state
 *
 *-------------------------------------------------------------------
 */
void
Tls_Clean(State *statePtr)
{

    /* we're assuming here that we're single-threaded */







    if (statePtr->ssl) {
	SSL_shutdown(statePtr->ssl);
	SSL_free(statePtr->ssl);
	statePtr->ssl = NULL;
    }
    if (statePtr->callback) {
	Tcl_DecrRefCount(statePtr->callback);
	statePtr->callback = NULL;
    }

    if (statePtr->timer != (Tcl_TimerToken)NULL) {
	Tcl_DeleteTimerHandler (statePtr->timer);
	statePtr->timer = NULL;
    }
}
 
/*
 *-------------------------------------------------------------------
 *
 * Tls_Init --
 *



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/*
 * Copyright (C) 1997-1999 Matt Newman <matt@novadigm.com>
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.c,v 1.6.2.2 2000/07/21 05:32:56 hobbs Exp $
 *
 * TLS (aka SSL) Channel - can be layered on any bi-directional
 * Tcl_Channel (Note: Requires Trf Core Patch)
 *
 * This was built (almost) from scratch based upon observation of
 * OpenSSL 0.9.2B
 *
................................................................................
 */

/*
 * Forward declarations
 */

#define F2N( key, dsp) \
	(((key) == NULL) ? (char *) NULL : \
		Tcl_TranslateFileName(interp, (key), (dsp)))
#define REASON()	ERR_reason_error_string(ERR_get_error())

static int	CiphersObjCmd _ANSI_ARGS_ ((ClientData clientData,
			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));

static int	HandshakeObjCmd _ANSI_ARGS_ ((ClientData clientData,
			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));

static int	ImportObjCmd _ANSI_ARGS_ ((ClientData clientData,
			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));

static int	StatusObjCmd _ANSI_ARGS_ ((ClientData clientData,
			Tcl_Interp *interp, int objc, Tcl_Obj *CONST objv[]));
static SSL_CTX *CTX_Init _ANSI_ARGS_((Tcl_Interp *interp, int proto, char *key,
			char *cert, char *CAdir, char *CAfile, char *ciphers));

#define TLS_PROTO_SSL2	0x01
#define TLS_PROTO_SSL3	0x02
#define TLS_PROTO_TLS1	0x04
#define ENABLED(flag, mask)	(((flag) & (mask)) == (mask))

/*
 * Static data structures
 */

#ifndef NO_DH
/* from openssl/apps/s_server.c */

................................................................................
    chan = Tcl_GetTopChannel(chan);
#endif
    if (Tcl_GetChannelType(chan) != Tls_ChannelType()) {
        Tcl_AppendResult(interp, "bad channel \"", Tcl_GetChannelName(chan),
                "\": not a TLS channel", NULL);
        return TCL_ERROR;
    }
    statePtr = (State *)Tcl_GetChannelInstanceData(chan);

    if (!SSL_is_init_finished(statePtr->ssl)) {
	int err;
	ret = Tls_WaitForConnect(statePtr, &err);
	if (ret < 0) {
	    char *errStr = statePtr->err;
	    Tcl_ResetResult(interp);
	    Tcl_SetErrno(err);

	    if (!errStr || *errStr == 0) {
	        errStr = Tcl_PosixError(interp);
	    }

	    Tcl_AppendResult(interp, "handshake failed: ", errStr,
		    (char *) NULL);
	    return TCL_ERROR;
	}
    }
    Tcl_SetObjResult(interp, Tcl_NewIntObj(ret));
    return TCL_OK;
}
 
................................................................................
 *	Frees all the state
 *
 *-------------------------------------------------------------------
 */
void
Tls_Clean(State *statePtr)
{
    /*
     * we're assuming here that we're single-threaded
     */

    if (statePtr->timer != (Tcl_TimerToken) NULL) {
	Tcl_DeleteTimerHandler(statePtr->timer);
	statePtr->timer = NULL;
    }

    if (statePtr->ssl) {
	SSL_shutdown(statePtr->ssl);
	SSL_free(statePtr->ssl);
	statePtr->ssl = NULL;
    }
    if (statePtr->callback) {
	Tcl_DecrRefCount(statePtr->callback);
	statePtr->callback = NULL;
    }





}
 
/*
 *-------------------------------------------------------------------
 *
 * Tls_Init --
 *

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#
# Copyright (C) 1997-2000 Matt Newman <matt@novadigm.com>
#
# $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.tcl,v 1.2 2000/01/20 01:51:05 aborr Exp $
#
namespace eval tls {
    variable logcmd tclLog
    variable debug 0
 
    # Default flags passed to tls::import
    variable defaults {}
................................................................................
    set argc [llength $args]
    set sopts {}
    set iopts [concat [list -server $server] ${tls::defaults}]	;# Import options

    for {set idx 0} {$idx < $argc} {incr idx} {
	set arg [lindex $args $idx]
	switch -glob -- $server,$arg {
	0,-myport	-
	*,-myaddr	{lappend sopts $arg [lindex $args [incr idx]]}
	0,-async	{lappend sopts $arg}
	*,-cipher	-
	*,-cadir	-
	*,-cafile	-
	*,-certfile	-
	*,-keyfile	-
	*,-command	-
	*,-request	-
	*,-require	-
	*,-ssl2		-
	*,-ssl3		-
	*,-tls1		{lappend iopts $arg [lindex $args [incr idx]]}
	-*		{return -code error "bad option \"$arg\": must be one of $options"}
	default	{break}
	}
    }
    if {$server} {
	if {($idx + 1) != $argc} {
	    return -code error $usage
	}
	set uid [incr ::tls::srvuid]

	set port [lindex $args [expr {$argc-1}]]
	lappend sopts $port

	set sopts [linsert $sopts 0 -server [list tls::_accept $iopts $callback]]
	#set sopts [linsert $sopts 0 -server [list tls::_accept $uid $callback]]
    } else {
	if {($idx + 2) != $argc} {
	    return -code error $usage
	}
	set host [lindex $args [expr {$argc-2}]]
................................................................................
    } err]} {
	set info ${::errorInfo}
	catch {close $chan}
	return -code error -errorinfo $info $err
    }
    return $chan
}
















proc tls::_accept { iopts callback chan ipaddr port } {
    log 2 [list tls::_accept $iopts $callback $chan $ipaddr $port]

    set chan [eval [list tls::import $chan] $iopts]

    lappend callback $chan $ipaddr $port
    if {[catch {
	uplevel #0 $callback
    } err]} {
	log 1 "tls::_accept error: ${::errorInfo}"
	close $chan

    } else {
	log 2 "tls::_accept - called \"$callback\" succeeded"
    }
}
#
# Sample callback for hooking: -
#
................................................................................
#
proc tls::callback {option args} {
    variable debug

    #log 2 [concat $option $args]

    switch -- $option {
    "error"	{
	foreach {chan msg} $args break

	log 0 "TLS/$chan: error: $msg"
    }
    "verify"	{
	# poor man's lassign
	foreach {chan depth cert rc err} $args break

	array set c $cert

	if {$rc != "1"} {
	    log 1 "TLS/$chan: verify/$depth: Bad Cert: $err (rc = $rc)"
	} else {
	    log 2 "TLS/$chan: verify/$depth: $c(subject)"
	}
	if {$debug > 0} {
	    return 1;	# FORCE OK
	} else {
	    return $rc
	}
    }
    "info"	{
	# poor man's lassign
	foreach {chan major minor state msg} $args break

	if {$msg != ""} {
	    append state ": $msg"
	}
	# For tracing
	upvar #0 tls::$chan cb
	set cb($major) $minor

	log 2 "TLS/$chan: $major/$minor: $state"
    }
    default	{
	return -code error "bad option \"$option\": must be one of error, info, or verify"

    }
    };#sw

}

proc tls::xhandshake {chan} {
    upvar #0 tls::$chan cb

    if {[info exists cb(handshake)] && \
	$cb(handshake) == "done"} {



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# Copyright (C) 1997-2000 Matt Newman <matt@novadigm.com>
#
# $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tls.tcl,v 1.2.2.1 2000/07/21 05:32:56 hobbs Exp $
#
namespace eval tls {
    variable logcmd tclLog
    variable debug 0
 
    # Default flags passed to tls::import
    variable defaults {}
................................................................................
    set argc [llength $args]
    set sopts {}
    set iopts [concat [list -server $server] ${tls::defaults}]	;# Import options

    for {set idx 0} {$idx < $argc} {incr idx} {
	set arg [lindex $args $idx]
	switch -glob -- $server,$arg {
	    0,-myport	-
	    *,-myaddr	{lappend sopts $arg [lindex $args [incr idx]]}
	    0,-async	{lappend sopts $arg}
	    *,-cipher	-
	    *,-cadir	-
	    *,-cafile	-
	    *,-certfile	-
	    *,-keyfile	-
	    *,-command	-
	    *,-request	-
	    *,-require	-
	    *,-ssl2	-
	    *,-ssl3	-
	    *,-tls1	{lappend iopts $arg [lindex $args [incr idx]]}
	    -*		{return -code error "bad option \"$arg\": must be one of $options"}
	    default	{break}
	}
    }
    if {$server} {
	if {($idx + 1) != $argc} {
	    return -code error $usage
	}
	set uid [incr ::tls::srvuid]

	set port [lindex $args [expr {$argc-1}]]
	lappend sopts $port
	#set sopts [linsert $sopts 0 -server $callback]
	set sopts [linsert $sopts 0 -server [list tls::_accept $iopts $callback]]
	#set sopts [linsert $sopts 0 -server [list tls::_accept $uid $callback]]
    } else {
	if {($idx + 2) != $argc} {
	    return -code error $usage
	}
	set host [lindex $args [expr {$argc-2}]]
................................................................................
    } err]} {
	set info ${::errorInfo}
	catch {close $chan}
	return -code error -errorinfo $info $err
    }
    return $chan
}

# tls::_accept --
#
#   This is the actual accept that TLS sockets use, which then calls
#   the callback registered by tls::socket.
#
# Arguments:
#   iopts	tls::import opts
#   callback	server callback to invoke
#   chan	socket channel to accept/deny
#   ipaddr	calling IP address
#   port	calling port
#
# Results:
#   Returns an error if the callback throws one.
#
proc tls::_accept { iopts callback chan ipaddr port } {
    log 2 [list tls::_accept $iopts $callback $chan $ipaddr $port]

    set chan [eval [list tls::import $chan] $iopts]

    lappend callback $chan $ipaddr $port
    if {[catch {
	uplevel #0 $callback
    } err]} {
	log 1 "tls::_accept error: ${::errorInfo}"
	close $chan
	error $err $::errorInfo $::errorCode
    } else {
	log 2 "tls::_accept - called \"$callback\" succeeded"
    }
}
#
# Sample callback for hooking: -
#
................................................................................
#
proc tls::callback {option args} {
    variable debug

    #log 2 [concat $option $args]

    switch -- $option {
	"error"	{
	    foreach {chan msg} $args break

	    log 0 "TLS/$chan: error: $msg"
	}
	"verify"	{
	    # poor man's lassign
	    foreach {chan depth cert rc err} $args break

	    array set c $cert

	    if {$rc != "1"} {
		log 1 "TLS/$chan: verify/$depth: Bad Cert: $err (rc = $rc)"
	    } else {
		log 2 "TLS/$chan: verify/$depth: $c(subject)"
	    }
	    if {$debug > 0} {
		return 1;	# FORCE OK
	    } else {
		return $rc
	    }
	}
	"info"	{
	    # poor man's lassign
	    foreach {chan major minor state msg} $args break

	    if {$msg != ""} {
		append state ": $msg"
	    }
	    # For tracing
	    upvar #0 tls::$chan cb
	    set cb($major) $minor

	    log 2 "TLS/$chan: $major/$minor: $state"
	}
	default	{
	    return -code error "bad option \"$option\":\
		    must be one of error, info, or verify"
	}

    }
}

proc tls::xhandshake {chan} {
    upvar #0 tls::$chan cb

    if {[info exists cb(handshake)] && \
	$cb(handshake) == "done"} {

Changes to tlsBIO.c.

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/*
 * Copyright (C) 1997-2000 Matt Newman <matt@novadigm.com>
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsBIO.c,v 1.2.2.2 2000/07/12 01:54:26 hobbs Exp $
 *
 * Provides BIO layer to interface openssl to Tcl.
 */

#include "tlsInt.h"

/*
................................................................................
	break;
    case BIO_CTRL_INFO:
	ret = 1;
	break;
    case BIO_C_SET_FD:
	BioFree(bio);
	/* Sets State* */
	bio->ptr = *((char **)ptr);
	bio->shutdown = (int)num;
	bio->init = 1;
	break;
    case BIO_C_GET_FD:
	if (bio->init) {
	    ip=(int *)ptr;
	    if (ip != NULL) *ip=bio->num;
		ret=bio->num;


	} else {
	    ret= -1;
	}
	break;
    case BIO_CTRL_GET_CLOSE:
	ret=bio->shutdown;
	break;
    case BIO_CTRL_SET_CLOSE:
	bio->shutdown=(int)num;
	break;
    case BIO_CTRL_EOF:
	dprintf(stderr, "BIO_CTRL_EOF\n");
	ret = Tcl_Eof( chan);
	break;
    case BIO_CTRL_PENDING:
	if (Tcl_InputBuffered(chan))
	    ret = 1;
	else
	    ret = 0;
	dprintf(stderr, "BIO_CTRL_PENDING(%d)\n", ret);
	break;
    case BIO_CTRL_WPENDING:
	ret=0;
	break;
    case BIO_CTRL_DUP:
	break;
    case BIO_CTRL_FLUSH:
	dprintf(stderr, "BIO_CTRL_FLUSH\n");
	if (
#ifdef TCL_CHANNEL_VERSION_2
................................................................................
    return(ret);
}

static int
BioNew	(bio)
    BIO *bio;
{
    bio->init = 0;
    bio->num = 0;
    bio->ptr = NULL;
    bio->flags = 0;

    return 1;
}

static int
BioFree	(bio)
    BIO *bio;
{
    if (bio == NULL)
	return 0;


    if (bio->shutdown) {
	if (bio->init) {
	    /*shutdown(bio->num, 2) */
	    /*closesocket(bio->num) */
	}
	bio->init = 0;
	bio->flags = 0;
	bio->num = 0;
    }
    return 1;
}



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/*
 * Copyright (C) 1997-2000 Matt Newman <matt@novadigm.com>
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsBIO.c,v 1.2.2.3 2000/07/21 05:32:57 hobbs Exp $
 *
 * Provides BIO layer to interface openssl to Tcl.
 */

#include "tlsInt.h"

/*
................................................................................
	break;
    case BIO_CTRL_INFO:
	ret = 1;
	break;
    case BIO_C_SET_FD:
	BioFree(bio);
	/* Sets State* */
	bio->ptr	= *((char **)ptr);
	bio->shutdown	= (int)num;
	bio->init	= 1;
	break;
    case BIO_C_GET_FD:
	if (bio->init) {
	    ip = (int *)ptr;
	    if (ip != NULL) {
		*ip = bio->num;
	    }
	    ret = bio->num;
	} else {
	    ret = -1;
	}
	break;
    case BIO_CTRL_GET_CLOSE:
	ret = bio->shutdown;
	break;
    case BIO_CTRL_SET_CLOSE:
	bio->shutdown = (int)num;
	break;
    case BIO_CTRL_EOF:
	dprintf(stderr, "BIO_CTRL_EOF\n");
	ret = Tcl_Eof( chan);
	break;
    case BIO_CTRL_PENDING:
	ret = (Tcl_InputBuffered(chan) ? 1 : 0);



	dprintf(stderr, "BIO_CTRL_PENDING(%d)\n", ret);
	break;
    case BIO_CTRL_WPENDING:
	ret = 0;
	break;
    case BIO_CTRL_DUP:
	break;
    case BIO_CTRL_FLUSH:
	dprintf(stderr, "BIO_CTRL_FLUSH\n");
	if (
#ifdef TCL_CHANNEL_VERSION_2
................................................................................
    return(ret);
}

static int
BioNew	(bio)
    BIO *bio;
{
    bio->init	= 0;
    bio->num	= 0;
    bio->ptr	= NULL;
    bio->flags	= 0;

    return 1;
}

static int
BioFree	(bio)
    BIO *bio;
{
    if (bio == NULL) {
	return 0;
    }

    if (bio->shutdown) {
	if (bio->init) {
	    /*shutdown(bio->num, 2) */
	    /*closesocket(bio->num) */
	}
	bio->init	= 0;
	bio->flags	= 0;
	bio->num	= 0;
    }
    return 1;
}

Changes to tlsIO.c.

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/*
 * Copyright (C) 1997-2000 Matt Newman <matt@novadigm.com>
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsIO.c,v 1.7.2.2 2000/07/12 01:54:26 hobbs Exp $
 *
 * TLS (aka SSL) Channel - can be layered on any bi-directional
 * Tcl_Channel (Note: Requires Trf Core Patch)
 *
 * This was built from scratch based upon observation of OpenSSL 0.9.2B
 *
 * Addition credit is due for Andreas Kupries (a.kupries@westend.com), for
................................................................................
/*
 * This structure describes the channel type structure for TCP socket
 * based IO:
 */
#ifdef TCL_CHANNEL_VERSION_2
static Tcl_ChannelType tlsChannelType = {
    "tls",		/* Type name. */
    TCL_CHANNEL_VERSION_2,	/* A NG channel */
    TlsCloseProc,		/* Close proc. */
    TlsInputProc,		/* Input proc. */
    TlsOutputProc,		/* Output proc. */
    NULL,		/* Seek proc. */
    NULL,		/* Set option proc. */
    TlsGetOptionProc,	/* Get option proc. */
    TlsWatchProc,		/* Initialize notifier. */
    TlsGetHandleProc,	/* Get file handle out of channel. */
    NULL,		/* Close2Proc. */
    TlsBlockModeProc,	/* Set blocking/nonblocking mode.*/
    NULL,		/* FlushProc. */
    TlsNotifyProc,	/* handlerProc. */
};
#else
static Tcl_ChannelType tlsChannelType = {
    "tls",		/* Type name. */
    TlsBlockModeProc,	/* Set blocking/nonblocking mode.*/
    TlsCloseProc,		/* Close proc. */
    TlsInputProc,		/* Input proc. */
    TlsOutputProc,		/* Output proc. */
    NULL,		/* Seek proc. */
    NULL,		/* Set option proc. */
    TlsGetOptionProc,	/* Get option proc. */
    TlsWatchProc,		/* Initialize notifier. */
    TlsGetHandleProc,	/* Get file handle out of channel. */
};
#endif

Tcl_ChannelType *Tls_ChannelType()
{
    return &tlsChannelType;
................................................................................
TlsCloseProc(ClientData instanceData,	/* The socket to close. */
             Tcl_Interp *interp)	/* For error reporting - unused. */
{
    State *statePtr = (State *) instanceData;

    dprintf(stderr,"\nTlsCloseProc(0x%x)", statePtr);


    /*
     * Remove event handler to underlying channel, this could
     * be because we are closing for real, or being "unstacked".
     */
#ifndef TCL_CHANNEL_VERSION_2
    Tcl_DeleteChannelHandler(Tls_GetParent(statePtr),
	TlsChannelHandler, (ClientData) statePtr);
#endif
    if (statePtr->timer != (Tcl_TimerToken)NULL) {
	Tcl_DeleteTimerHandler (statePtr->timer);
	statePtr->timer = (Tcl_TimerToken)NULL;
    }

    Tls_Clean(statePtr);
    Tcl_EventuallyFree( (ClientData)statePtr, Tls_Free);
    return TCL_OK;
}
 
/*
................................................................................
	/* Not initialized yet! */
	if (statePtr->flags & TLS_TCL_SERVER) {
	    err = SSL_accept(statePtr->ssl);
	} else {
	    err = SSL_connect(statePtr->ssl);
	}
	/*SSL_write(statePtr->ssl, (char*)&err, 0);	HACK!!! */
	if (err > 0)
	    BIO_flush(statePtr->bio);


	if (err <= 0) {
	    int rc = SSL_get_error(statePtr->ssl, err);

	    if (rc == SSL_ERROR_SSL) {

		Tls_Error(statePtr, (char*)ERR_reason_error_string(ERR_get_error()));
		*errorCodePtr = ECONNABORTED;
		return -1;
	    } else if (BIO_should_retry(statePtr->bio)) {
		if (statePtr->flags & TLS_TCL_ASYNC) {
		    dprintf(stderr,"E! ");
		    *errorCodePtr = EAGAIN;
		    return -1;
................................................................................
		dprintf(stderr,"CR! ");
		*errorCodePtr = ECONNRESET;
		return -1;
	    }
	    if (statePtr->flags & TLS_TCL_SERVER) {
		err = SSL_get_verify_result(statePtr->ssl);
		if (err != X509_V_OK) {

		    Tls_Error(statePtr, (char*)X509_verify_cert_error_string(err));
		    *errorCodePtr = ECONNABORTED;
		    return -1;
		}
	    }
	    *errorCodePtr = Tcl_GetErrno();
	    dprintf(stderr,"ERR(%d, %d) ", rc, *errorCodePtr);
	    return -1;



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/*
 * Copyright (C) 1997-2000 Matt Newman <matt@novadigm.com>
 *
 * $Header: /home/rkeene/tmp/cvs2fossil/../tcltls/tls/tls/tlsIO.c,v 1.7.2.3 2000/07/21 05:32:57 hobbs Exp $
 *
 * TLS (aka SSL) Channel - can be layered on any bi-directional
 * Tcl_Channel (Note: Requires Trf Core Patch)
 *
 * This was built from scratch based upon observation of OpenSSL 0.9.2B
 *
 * Addition credit is due for Andreas Kupries (a.kupries@westend.com), for
................................................................................
/*
 * This structure describes the channel type structure for TCP socket
 * based IO:
 */
#ifdef TCL_CHANNEL_VERSION_2
static Tcl_ChannelType tlsChannelType = {
    "tls",		/* Type name. */
    TCL_CHANNEL_VERSION_2,	/* A v2 channel (8.3.2/8.4a2+) */
    TlsCloseProc,	/* Close proc. */
    TlsInputProc,	/* Input proc. */
    TlsOutputProc,	/* Output proc. */
    NULL,		/* Seek proc. */
    NULL,		/* Set option proc. */
    TlsGetOptionProc,	/* Get option proc. */
    TlsWatchProc,	/* Initialize notifier. */
    TlsGetHandleProc,	/* Get file handle out of channel. */
    NULL,		/* Close2Proc. */
    TlsBlockModeProc,	/* Set blocking/nonblocking mode.*/
    NULL,		/* FlushProc. */
    TlsNotifyProc,	/* handlerProc. */
};
#else
static Tcl_ChannelType tlsChannelType = {
    "tls",		/* Type name. */
    TlsBlockModeProc,	/* Set blocking/nonblocking mode.*/
    TlsCloseProc,	/* Close proc. */
    TlsInputProc,	/* Input proc. */
    TlsOutputProc,	/* Output proc. */
    NULL,		/* Seek proc. */
    NULL,		/* Set option proc. */
    TlsGetOptionProc,	/* Get option proc. */
    TlsWatchProc,	/* Initialize notifier. */
    TlsGetHandleProc,	/* Get file handle out of channel. */
};
#endif

Tcl_ChannelType *Tls_ChannelType()
{
    return &tlsChannelType;
................................................................................
TlsCloseProc(ClientData instanceData,	/* The socket to close. */
             Tcl_Interp *interp)	/* For error reporting - unused. */
{
    State *statePtr = (State *) instanceData;

    dprintf(stderr,"\nTlsCloseProc(0x%x)", statePtr);

#ifndef TCL_CHANNEL_VERSION_2
    /*
     * Remove event handler to underlying channel, this could
     * be because we are closing for real, or being "unstacked".
     */

    Tcl_DeleteChannelHandler(Tls_GetParent(statePtr),
	TlsChannelHandler, (ClientData) statePtr);
#endif





    Tls_Clean(statePtr);
    Tcl_EventuallyFree( (ClientData)statePtr, Tls_Free);
    return TCL_OK;
}
 
/*
................................................................................
	/* Not initialized yet! */
	if (statePtr->flags & TLS_TCL_SERVER) {
	    err = SSL_accept(statePtr->ssl);
	} else {
	    err = SSL_connect(statePtr->ssl);
	}
	/*SSL_write(statePtr->ssl, (char*)&err, 0);	HACK!!! */
	if (err > 0) {
	    BIO_flush(statePtr->bio);
	}

	if (err <= 0) {
	    int rc = SSL_get_error(statePtr->ssl, err);

	    if (rc == SSL_ERROR_SSL) {
		Tls_Error(statePtr,
			(char *)ERR_reason_error_string(ERR_get_error()));
		*errorCodePtr = ECONNABORTED;
		return -1;
	    } else if (BIO_should_retry(statePtr->bio)) {
		if (statePtr->flags & TLS_TCL_ASYNC) {
		    dprintf(stderr,"E! ");
		    *errorCodePtr = EAGAIN;
		    return -1;
................................................................................
		dprintf(stderr,"CR! ");
		*errorCodePtr = ECONNRESET;
		return -1;
	    }
	    if (statePtr->flags & TLS_TCL_SERVER) {
		err = SSL_get_verify_result(statePtr->ssl);
		if (err != X509_V_OK) {
		    Tls_Error(statePtr,
			    (char *)X509_verify_cert_error_string(err));
		    *errorCodePtr = ECONNABORTED;
		    return -1;
		}
	    }
	    *errorCodePtr = Tcl_GetErrno();
	    dprintf(stderr,"ERR(%d, %d) ", rc, *errorCodePtr);
	    return -1;