# Commands tested in this file: socket.                          -*- tcl -*-
#
# This file contains a collection of tests for one or more of the Tcl
# built-in commands.  Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
# Copyright (c) 1998-2000 Ajuba Solutions.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: tlsIO.test,v 1.24 2015/06/06 09:07:08 apnadkarni 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 caCert	[file join $certsDir ca.pem]
set serverKey	[file join $certsDir server.key]
set clientKey	[file join $certsDir client.key]

# Some tests require the testthread and exec commands

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

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

if {![info exists remoteServerIP]} {

	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 [list fconfigure $s] $args }
	if {$cmd == ""} {
	if {$cmd eq ""} {
	    fileevent $s $type ""
	} else {
	    fileevent $s $type "$cmd [list $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] && ($tcl_platform(platform) != "macintosh")} {
if {![info exists remoteServerIP] && ($tcl_platform(platform) ne "macintosh")} {
    set remoteServerIP 127.0.0.1
}
if {($doTestsWithRemoteServer == 1) && (![info exists remoteServerPort])} {
    set remoteServerPort $tlsServerPort
}

# Attempt to connect to a remote server if one is already running. If it
# is not running or for some other reason the connect fails, attempt to
# start the remote server on the local host listening on port 8048. This
# is only done on platforms that support exec (i.e. not on the Mac). On
# platforms that do not support exec, the remote server must be started
# by the user before running the tests.

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] == ""} {
	if {[info commands exec] eq ""} {
	    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 \

	set resp ""
	while {1} {
	    set line [gets $commandSocket]
	    if {[eof $commandSocket]} {
		error "remote server disappeared"
	    }
	    if {[string compare $line "--Marker--Marker--Marker--"] == 0} {
		if {[string compare [lindex $resp 0] error] == 0} {
	    if {$line eq "--Marker--Marker--Marker--"} {
		if {[lindex $resp 0] eq "error"} {
		    error [lindex $resp 1]
		} else {
		    return [lindex $resp 1]
		}
	    } else {
		append resp $line "\n"
	    }

    }
    set f [tls::socket \
	    -certfile $clientCert -cafile $caCert -keyfile $clientKey \
	    $remoteServerIP 8836]
    fconfigure $f -translation crlf -buffering line
    for {set cnt 0} {$cnt < 50} {incr cnt} {
	puts $f "hello, $cnt"
	if {[string compare [gets $f] "hello, $cnt"] != 0} {
	if {[gets $f] ne "hello, $cnt"} {
	    break
	}
    }
    close $f
    sendCommand {close $socket10_7_test_server}
    set cnt
} 50

# Macintosh sockets can have more than one server per port
if {$tcl_platform(platform) == "macintosh"} {
if {$tcl_platform(platform) eq "macintosh"} {
    set conflictResult {0 8836}
} else {
    set conflictResult {1 {couldn't open socket: address already in use}}
}

test tlsIO-11.6 {socket conflict} {socket doTestsWithRemoteServer} {
    set s1 [tls::socket \

    # 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 }
    } elseif {[string compare {} $data]} {
    } elseif {$data ne {}} {
    } elseif {[fblocked $file]} {
    } elseif {[eof $file]} {
	if {$failed} {
	    set x "$type socket was inherited"
	} else {
	    set x "$type socket was not inherited"
	}

} {1 {wrong # args: should be "tls::unimport channel"}}
test tlsIO-14.3 {test tls::unimport} {socket} {
    list [catch {tls::unimport bogus} msg] $msg
} {1 {can not find channel named "bogus"}}
test tlsIO-14.4 {test tls::unimport} {socket} {
    # stdin can take different names as the "top" channel
    list [catch {tls::unimport stdin} msg] \
	[string match {bad channel "*": not a TLS channel} $msg]
	[string match {bad channel "*": not a stacked channel} $msg]
} {1 1}
test tlsIO-14.5 {test tls::unimport} {socket} {
    set len 0
    set spurious 0
    set done 0
    proc readlittle {s} {
	global spurious done len