Merge branch 'master' of git://rcs.pfsense.org/pfsense/nigel-ca-chain into review/master

Conflicts:
	etc/inc/certs.inc
	etc/inc/upgrade_config.inc

1 files changed, 331 insertions, 0 deletions

diff --git a/etc/inc/certs.inc b/etc/inc/certs.inc
index 4177545..a2d4fd0 100644
--- a/etc/inc/certs.inc
+++ b/etc/inc/certs.inc
@@ -1,3 +1,4 @@
+<<<<<<< HEAD:etc/inc/certs.inc
 <?php
 /* $Id$ */
 /*
@@ -222,3 +223,333 @@ function cert_get_subject_array($crt) {
 }
 
 ?>
+=======
+<?php
+/* $Id$ */
+/*
+		Copyright (C) 2008 Shrew Soft Inc
+		All rights reserved.
+
+        Redistribution and use in source and binary forms, with or without
+        modification, are permitted provided that the following conditions are met:
+
+        1. Redistributions of source code must retain the above copyright notice,
+           this list of conditions and the following disclaimer.
+
+        2. Redistributions in binary form must reproduce the above copyright
+           notice, this list of conditions and the following disclaimer in the
+           documentation and/or other materials provided with the distribution.
+
+        THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+        INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+        AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+        AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
+        OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+        SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+        INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+        CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+        ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+        POSSIBILITY OF SUCH DAMAGE.
+
+		DISABLE_PHP_LINT_CHECKING
+*/
+
+require_once("functions.inc");
+
+function & lookup_ca($refid) {
+	global $config;
+
+	if (is_array($config['system']['ca']))
+		foreach ($config['system']['ca'] as & $ca)
+			if ($ca['refid'] == $refid)
+				return $ca;
+
+	return false;
+}
+
+function & lookup_ca_by_subject($subject) {
+	global $config;
+
+	if (is_array($config['system']['ca']))
+		foreach ($config['system']['ca'] as & $ca)
+		{
+			$ca_subject = cert_get_subject($ca['crt']);
+			if ($ca_subject == $subject)
+				return $ca;
+		}
+
+	return false;
+}
+
+function & lookup_cert($refid) {
+	global $config;
+
+	if (is_array($config['system']['cert']))
+		foreach ($config['system']['cert'] as & $cert)
+			if ($cert['refid'] == $refid)
+				return $cert;
+
+	return false;
+}
+
+function ca_chain_array(& $cert) {
+	if($cert['caref']) {
+		$chain = array();
+		$crt =& lookup_ca($cert['caref']);
+		$chain[] = $crt;
+		while ($crt) {
+			$caref = $crt['caref'];
+			if($caref)
+				$crt =& lookup_ca($caref);
+			else
+				$crt = false;
+			if($crt)
+				$chain[] = $crt;
+		}
+		return $chain;
+	}
+	return false;
+}
+
+function ca_chain(& $cert) {
+	if($cert['caref']) {
+		$ca = "";
+		$cas = ca_chain_array($cert);
+		if (is_array($cas))
+			foreach ($cas as & $ca_cert)
+			{
+				$ca .= base64_decode($ca_cert['crt']);
+				$ca .= "\n";
+			}
+		return $ca;
+	}
+	return "";
+}
+
+function ca_import(& $ca, $str) {
+	global $config;
+
+	$ca['crt'] = base64_encode($str);
+
+	$subject = cert_get_subject($str, false);
+	$issuer = cert_get_issuer($str, false);
+	
+	// Find my issuer unless self-signed
+	if($issuer <> $subject) {
+		$issuer_crt =& lookup_ca_by_subject($issuer);
+		if($issuer_crt)
+			$ca['caref'] = $issuer_crt['refid'];
+	}
+
+	/* Correct if child certificate was loaded first */
+	if (is_array($config['system']['ca']))
+		foreach ($config['system']['ca'] as & $oca)
+		{
+			$issuer = cert_get_issuer($oca['crt']);
+			if($ca['refid']<>$oca['refid'] && $issuer==$subject)
+				$oca['caref'] = $ca['refid'];
+		}
+	if (is_array($config['system']['cert']))
+		foreach ($config['system']['cert'] as & $cert)
+		{
+			$issuer = cert_get_issuer($cert['crt']);
+			if($issuer==$subject)
+				$cert['caref'] = $ca['refid'];
+		}
+	return true;
+}
+
+function ca_create(& $ca, $keylen, $lifetime, $dn) {
+
+	$args = array(
+		"digest_alg" => "sha1",
+		"private_key_bits" => $keylen,
+		"private_key_type" => OPENSSL_KEYTYPE_RSA,
+		"encrypt_key" => false);
+
+	// generate a new key pair
+	$res_key = openssl_pkey_new();
+
+	// generate a certificate signing request
+	$res_csr = openssl_csr_new($dn, $res_key, $args);
+
+	// self sign the certificate
+	$res_crt = openssl_csr_sign($res_csr, null, $res_key, $lifetime, $args);
+
+	// export our certificate data
+	openssl_pkey_export($res_key, $str_key);
+	openssl_x509_export($res_crt, $str_crt);
+
+	// return our ca information
+	$ca['crt'] = base64_encode($str_crt);
+	$ca['prv'] = base64_encode($str_key);
+	$ca['serial'] = 0;
+
+	return true;
+}
+
+function cert_import(& $cert, $crt_str, $key_str) {
+
+	$cert['crt'] = base64_encode($crt_str);
+	$cert['prv'] = base64_encode($key_str);
+
+	$subject = cert_get_subject($crt_str, false);
+	$issuer = cert_get_issuer($crt_str, false);
+	
+	// Find my issuer unless self-signed
+	if($issuer <> $subject) {
+		$issuer_crt =& lookup_ca_by_subject($issuer);
+		if($issuer_crt)
+			$cert['caref'] = $issuer_crt['refid'];
+	}
+	return true;
+}
+
+function cert_create(& $cert, $caref, $keylen, $lifetime, $dn) {
+
+	$ca =& lookup_ca($caref);
+	if (!$ca)
+		return false;
+
+	$ca_str_crt = base64_decode($ca['crt']);
+	$ca_str_key = base64_decode($ca['prv']);
+	$ca_res_crt = openssl_x509_read($ca_str_crt);
+	$ca_res_key = openssl_pkey_get_private($ca_str_key);
+	$ca_serial = $ca['serial']++;
+
+	$args = array(
+		"digest_alg" => "sha1",
+		"private_key_bits" => $keylen,
+		"private_key_type" => OPENSSL_KEYTYPE_RSA,
+		"encrypt_key" => false);
+
+	// generate a new key pair
+	$res_key = openssl_pkey_new();
+
+	// generate a certificate signing request
+	$res_csr = openssl_csr_new($dn, $res_key, $args);
+
+	// self sign the certificate
+	$res_crt = openssl_csr_sign($res_csr, $ca_res_crt, $ca_res_key, $lifetime,
+				 $args, $ca_serial);
+
+	// export our certificate data
+	openssl_pkey_export($res_key, $str_key);
+	openssl_x509_export($res_crt, $str_crt);
+
+	// return our certificate information
+	$cert['caref'] = $caref;
+	$cert['crt'] = base64_encode($str_crt);
+	$cert['prv'] = base64_encode($str_key);
+
+	return true;
+}
+
+function csr_generate(& $cert, $keylen, $dn) {
+
+	$args = array(
+		"digest_alg" => "sha1",
+		"private_key_bits" => $keylen,
+		"private_key_type" => OPENSSL_KEYTYPE_RSA,
+		"encrypt_key" => false);
+
+	// generate a new key pair
+	$res_key = openssl_pkey_new();
+
+	// generate a certificate signing request
+	$res_csr = openssl_csr_new($dn, $res_key, $args);
+
+	// export our request data
+	openssl_pkey_export($res_key, $str_key);
+	openssl_csr_export($res_csr, $str_csr);
+
+	// return our request information
+	$cert['csr'] = base64_encode($str_csr);
+	$cert['prv'] = base64_encode($str_key);
+
+	return true;
+}
+
+function csr_complete(& $cert, $str_crt) {
+
+	// return our request information
+	$cert['crt'] = base64_encode($str_crt);
+	unset($cert['csr']);
+
+	return true;
+}
+
+function csr_get_subject($str_crt, $decode = true) {
+
+	if ($decode)
+		$str_crt = base64_decode($str_crt);
+
+	$components = openssl_csr_get_subject($str_crt);
+
+	if (!is_array($components))
+		return "unknown";
+
+	foreach ($components as $a => $v) {
+		if (!strlen($subject))
+			$subject = "{$a}={$v}";
+		else
+			$subject = "{$a}={$v}, {$subject}";
+	}
+
+	return $subject;
+}
+
+function cert_get_subject($str_crt, $decode = true) {
+
+	if ($decode)
+		$str_crt = base64_decode($str_crt);
+
+	$inf_crt = openssl_x509_parse($str_crt);
+	$components = $inf_crt['subject'];
+
+	if (!is_array($components))
+		return "unknown";
+
+	foreach ($components as $a => $v) {
+		if (!strlen($subject))
+			$subject = "{$a}={$v}";
+		else
+			$subject = "{$a}={$v}, {$subject}";
+	}
+
+	return $subject;
+}
+
+function cert_get_subject_array($crt) {
+	$str_crt = base64_decode($crt);
+	$inf_crt = openssl_x509_parse($str_crt);
+	$components = $inf_crt['subject'];
+	$subject_array = array();
+
+	foreach($components as $a => $v)
+		$subject_array[] = array('a' => $a, 'v' => $v);
+
+	return $subject_array;
+}
+
+function cert_get_issuer($str_crt, $decode = true) {
+
+	if ($decode)
+		$str_crt = base64_decode($str_crt);
+
+	$inf_crt = openssl_x509_parse($str_crt);
+	$components = $inf_crt['issuer'];
+	
+	if (!is_array($components))
+		return "unknown";
+	foreach ($components as $a => $v) {
+		if (!strlen($issuer))
+			$issuer = "{$a}={$v}";
+		else
+			$issuer = "{$a}={$v}, {$issuer}";
+	}
+
+	return $issuer;
+}
+
+?>