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#### iopts: [tls::import] option
### How many arguments the following the option to consume
variable socketOptionRules {
{0 -async sopts 0}
{* -myaddr sopts 1}
{0 -myport sopts 1}
{* -type sopts 1}
{* -alpn iopts 1}
{* -cadir iopts 1}
{* -cafile iopts 1}
{* -cert iopts 1}
{* -certfile iopts 1}
{* -cipher iopts 1}
{* -ciphersuites iopts 1}
{* -command iopts 1}
{* -dhparams iopts 1}
{* -key iopts 1}
{* -keyfile iopts 1}
{* -password iopts 1}
{* -post_handshake iopts 1}
{* -request iopts 1}
{* -require iopts 1}
{* -securitylevel iopts 1}
{* -autoservername discardOpts 1}
{* -server iopts 1}
{* -servername iopts 1}
{* -session_id iopts 1}
{* -alpn iopts 1}
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log 1 "tls::_accept error: ${::errorInfo}"
close $chan
error $err $::errorInfo $::errorCode
} else {
log 2 "tls::_accept - called \"$callback\" succeeded"
}
}
#
# Sample callback for hooking: -
#
# error
# verify
# info
#
proc tls::callback {option args} {
variable debug
#log 2 [concat $option $args]
switch -- $option {
"error" {
"error" {
foreach {chan msg} $args break
log 0 "TLS/$chan: error: $msg"
}
"info" {
# poor man's lassign
foreach {chan major minor msg type} $args break
if {$msg != ""} {
append state ": $msg"
}
# For tracing
upvar #0 tls::$chan cb
set cb($major) $minor
log 2 "TLS/$chan: $major/$minor: $state"
}
"message" {
# poor man's lassign
foreach {chan direction version content_type msg} $args break
log 0 "TLS/$chan: info: $direction $msg"
}
"session" {
foreach {chan session_id ticket lifetime} $args break
log 0 "TLS/$chan: session: lifetime $lifetime"
}
default {
return -code error "bad option \"$option\":\
must be one of error, info, or session"
}
}
}
#
# Sample callback when return value is needed
#
proc tls::validate_command {option args} {
variable debug
#log 2 [concat $option $args]
switch -- $option {
"alpn" {
foreach {chan protocol match} $args break
log 0 "TLS/$chan: alpn: $protocol $match"
}
"hello" {
foreach {chan servername} $args break
log 0 "TLS/$chan: hello: $servername"
}
"sni" {
foreach {chan servername} $args break
log 0 "TLS/$chan: sni: $servername"
}
"verify" {
"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: $state"
}
must be one of error, info, or verify"
must be one of alpn, info, or verify"
}
}
return 1
}
proc tls::xhandshake {chan} {
upvar #0 tls::$chan cb
if {[info exists cb(handshake)] && \
$cb(handshake) == "done"} {
return 1
}
while {1} {
vwait tls::${chan}(handshake)
if {![info exists cb(handshake)]} {
return 0
}
if {$cb(handshake) == "done"} {
return 1
}
}
}
proc tls::password {} {
proc tls::password {rwflag size} {
log 0 "TLS/Password: did you forget to set your passwd!"
# Return the worlds best kept secret password.
return "secret"
}
proc tls::log {level msg} {
variable debug
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