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|
#!/bin/bash
# Generate nginx config and HTML for testing ciphers
# Author: Peter Wu <lekensteyn@gmail.com>
#domain=ciphertest.lekensteyn.nl
# ssl-enabled ip:port, may occur multiple times space-separated
# PORT will be replaced for a number that increments for every test
#listen=$domain:PORT
domain=${1:-local.al.lekensteyn.nl}
address=localhost
listen="$address:4433 $address:PORT "
portbase=4433
pkdir=certs/
rsa_prv=server.pem
rsa_pub=server.crt
dsa_prv=dsa.pem
dsa_pub=dsa.crt
#ecc_prv=ec.pem
#ecc_pub=ec.crt
ecc_prv=secp384r1.pem
ecc_pub=secp384r1.crt
dh_params=dhparams.pem
root=/srv/http/ciphertest
html="$root/index.html"
get_ciphers() {
# output: index (n1 << 8 | n2) name version auth line
openssl ciphers -V | sort -n |
awk -F'[ ,]+' '{ print ++i, $2, $3, $5, $6, substr($8, 4), $0 }'
}
htmlescape() {
sed 's/&/&/g;s/</\</g;s/>/\>/g'
}
#if [ ! -s "$html" ]; then
if true; then # always generate file
cat > "$html" <<EOF
<!doctype html>
<html>
<head>
<meta charset=utf-8>
<title>Cipher suite test</title>
<style>
iframe {
width: 800px;
height: 1.5em;
display: block;
}
label {
font-family: monospace;
}
#openssl-version {
white-space: pre-line;
font-family: monospace;
}
.cipher-unknown {
background-color: #ccc;
}
.cipher-ok {
background-color: lightgreen;
}
.cipher-nok {
background-color: pink;
}
#hide-unknown:checked ~ #opts .cipher-unknown,
#hide-nok:checked ~ #opts .cipher-nok,
#hide-ok:checked ~ #opts .cipher-ok,
#hide-checks:checked ~ #opts input[type=checkbox],
#hide-frames:checked ~ #opts iframe {
display: none;
}
</style>
</head>
<body>
<div id="openssl-version">
$(openssl version -a | htmlescape)
</div>
<form id="frm" action="javascript:">
<label><input type="checkbox" id="toggle-all">Toggle all</label>
<button id="delayed_executor">Check boxes (delayed)</button>
<input type="checkbox" id="hide-frames">
<label for="hide-frames">Hide frames</label>
<input type="checkbox" id="hide-checks">
<label for="hide-checks">Hide checkboxes</label>
<br>
Hide cipher suites:
<input type="checkbox" id="hide-unknown">
<label for="hide-unknown">Hide unknown</label>
<input type="checkbox" id="hide-nok">
<label for="hide-nok">Hide nok</label>
<input type="checkbox" id="hide-ok">
<label for="hide-ok">Hide ok</label>
<fieldset id="opts">
</fieldset>
</form>
<script>
"use strict";
var ciphers = [
$(get_ciphers | while read i n1 n2 name version auth line; do
printf '{number:%s, name:"%s", version:"%s", auth:"%s", port:%i},\n' \
$((n1*0x100+n2)) "$name" "$version" "$auth" $((portbase + i))
done)
];
var opts = document.getElementById("opts");
var toggler = document.getElementById("toggle-all");
var frame_path = "/";
document.domain = "$domain";
function frame_handler(ev) {
var ifr = document.getElementById("ifr-" + this.value);
var port = this.dataset.port;
var url = "//" + this.value + ".$domain:" + port + frame_path;
ifr.src = this.checked ? url : "";
}
function toggle_handler(ev) {
var opts = document.getElementsByClassName("cipher-choices");
for (var i = 0; i < opts.length; i++) {
if (this.checked != opts[i].checked)
opts[i].click();
}
}
(function (trigger) {
var delayer = null;
var current_index;
var opts = document.getElementsByClassName("cipher-choices");
function stop_delayer() {
clearInterval(delayer);
delayer = null;
}
function delayed_opener() {
if (current_index < opts.length) {
if (!opts[current_index].checked)
opts[current_index].click();
current_index++;
} else {
stop_delayer();
toggler.checked = true;
}
}
function start_timer(interval) {
if (delayer) {
console.log("Timer already active");
return;
}
current_index = 0;
delayer = setInterval(delayed_opener, interval);
}
trigger.addEventListener("click", function (ev) {
var interval = parseInt(prompt("Delay (msec). 0 is stop", 300));
if (isNaN(interval) || interval < 0) {
console.log("Invalid interval - ignoring");
return;
}
if (interval > 0)
start_timer(interval);
else
stop_delayer();
});
})(document.getElementById("delayed_executor"));
function get_container_for_frame(ifr) {
return document.getElementById("ctr-" + ifr.id.replace("ifr-", ""));
}
function frame_loaded() {
var ctr = get_container_for_frame(this);
var cipher = ctr.dataset.cipher.toLowerCase();
var cipherFound = null;
if (!this.src) {
return;
}
console.log("Loaded: " + this.src);
try {
var line = this.contentDocument.body.firstChild.textContent;
cipherFound = line.toLowerCase().indexOf(cipher) != -1;
console.log("looking for '" + cipher + "' in: " + line);
} catch (ex) {
console.log(ex);
}
if (cipherFound === null) {
ctr.className = "cipher-unknown";
} else if (cipherFound) {
ctr.className = "cipher-ok";
} else {
ctr.className = "cipher-nok";
}
}
function frame_error() {
var ctr = get_container_for_frame(this);
console.log("Error while loading: " + this.src);
ctr.className = "cipher-nok";
}
toggler.addEventListener("change", toggle_handler);
ciphers.forEach(function (cipher, i) {
var container = document.createElement("div");
container.id = "ctr-" + cipher.name;
container.dataset.cipher = cipher.name;
container.className = "cipher-unknown";
var hexid = "0x" + ("000" + cipher.number.toString(16)).substr(-4).toUpperCase();
var lbl = document.createElement("label");
lbl.id = "lbl-" + cipher.name;
lbl.textContent = hexid + " " + cipher.name + " (" + cipher.version +
", Au=" + cipher.auth + ") #" + i;
var opt = document.createElement("input");
opt.type = "checkbox";
opt.value = cipher.name;
opt.dataset.port = cipher.port;
opt.className = "cipher-choices";
opt.addEventListener("change", frame_handler);
lbl.insertBefore(opt, lbl.firstChild);
var ifr = document.createElement("iframe");
ifr.id = "ifr-" + cipher.name;
ifr.onload = frame_loaded;
ifr.onerror = frame_error;
container.appendChild(ifr);
container.appendChild(lbl);
opts.appendChild(container);
});
</script>
</body>
</html>
EOF
fi
# Begin nginx config generator
get_common() {
local auth=$1
local port=${2:-$portbase}
local crtfile keyfile dhpfile
case $auth in
RSA)
crtfile=$rsa_pub
keyfile=$rsa_prv
;;
ECDH)
# Note: NSS does not support all cipher suites from OpenSSL, but OpenSSL
# cannot work with ECDH-RSA using th below certificates.
crtfile=$ecc_pub
keyfile=$ecc_prv
#dhpfile=$dh_params
;;
DSS)
crtfile=$dsa_pub
keyfile=$dsa_prv
;;
ECDSA)
crtfile=$ecc_pub
keyfile=$ecc_prv
#dhpfile=$dh_params
;;
PSK)
#echo "Unknown Au=$auth - using RSA" >&2
crtfile=$rsa_pub
keyfile=$rsa_prv
;;
*)
echo "Unknown Au=$auth - using RSA" >&2
crtfile=$rsa_pub
keyfile=$rsa_prv
;;
esac
local listens l
listens=$(echo ${listen//PORT/$port} | tr ' ' '\n' | sort -u | tr '\n' ' ')
for l in $listens; do
echo " listen $l ssl;"
done
cat <<EOF
ssl_certificate $pkdir$crtfile;
ssl_certificate_key $pkdir$keyfile;
EOF
[ -z "$dhpfile" ] || cat <<EOF
ssl_dhparam $pkdir$dhpfile;
EOF
cat <<EOF
ssl_prefer_server_ciphers on;
expires epoch;
keepalive_timeout 0s;
root $root;
EOF
}
cat <<EOF
server {
$(get_common RSA)
default_type "text/plain";
access_log off;
return 200 "Invalid host - is SNI enabled?";
}
server {
$(get_common RSA)
server_name $domain www.$domain;
}
EOF
# WARNING: BROKEN CONFIG for server blocks sharing same listen address and port.
# If SNI is not available, the first server block will be loaded for
# certificates and ciphers. Once the host (via Host header) is known, it will
# return the "OK" response.
get_ciphers |
while read i n1 n2 name version auth line; do
num=$(($n1*0x100 + $n2)) # 49169
hex=$n1${n2:2} # 0xC011
cat <<EOF
server { # cipher suite #$i
$(get_common $auth $((portbase+i)))
server_name ${hex,,}.$domain $num.$domain ${name,,}.$domain;
ssl_ciphers -ALL:$name;
#ssl_protocols $version;
default_type "text/html";
access_log off;
location = / {
return 200 "$line<script>document.domain='$domain'</script>";
}
}
EOF
done
cat <<EOF
# vim: set et sw=4 ts=4:
EOF
|
