/*
* TLS support code for CUPS on macOS.
*
- * Copyright 2007-2016 by Apple Inc.
+ * Copyright 2007-2017 by Apple Inc.
* Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * which should have been included with this file. If this file is
- * missing or damaged, see the license at "http://www.cups.org/".
- *
- * This file is subject to the Apple OS-Developed Software exception.
+ * Licensed under Apache License v2.0. See the file "LICENSE" for more information.
*/
/**** This file is included from tls.c ****/
#include <spawn.h>
-extern char **environ;
+extern char **environ; /* @private@ */
/*
/* Server cert keychain path */
static _cups_mutex_t tls_mutex = _CUPS_MUTEX_INITIALIZER;
/* Mutex for keychain/certs */
-static int tls_options = -1;/* Options for TLS connections */
+static int tls_options = -1,/* Options for TLS connections */
+ tls_min_version = _HTTP_TLS_1_0,
+ tls_max_version = _HTTP_TLS_MAX;
/*
CFStringRef cf_name; /* CF common name string */
char name[256]; /* Common name associated with cert */
time_t expiration; /* Expiration date of cert */
- _cups_md5_state_t md5_state; /* MD5 state */
unsigned char md5_digest[16]; /* MD5 result */
if ((cf_name = SecCertificateCopySubjectSummary(secCert)) != NULL)
expiration = (time_t)(SecCertificateNotValidAfter(secCert) + kCFAbsoluteTimeIntervalSince1970);
- _cupsMD5Init(&md5_state);
- _cupsMD5Append(&md5_state, first->data, (int)first->datalen);
- _cupsMD5Finish(&md5_state, md5_digest);
+ cupsHashData("md5", first->data, first->datalen, md5_digest, sizeof(md5_digest));
snprintf(buffer, bufsize, "%s / %s / %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X", name, httpGetDateString(expiration), md5_digest[0], md5_digest[1], md5_digest[2], md5_digest[3], md5_digest[4], md5_digest[5], md5_digest[6], md5_digest[7], md5_digest[8], md5_digest[9], md5_digest[10], md5_digest[11], md5_digest[12], md5_digest[13], md5_digest[14], md5_digest[15]);
*/
void
-_httpTLSSetOptions(int options) /* I - Options */
+_httpTLSSetOptions(int options, /* I - Options */
+ int min_version, /* I - Minimum TLS version */
+ int max_version) /* I - Maximum TLS version */
{
- tls_options = options;
+ if (!(options & _HTTP_TLS_SET_DEFAULT) || tls_options < 0)
+ {
+ tls_options = options;
+ tls_min_version = min_version;
+ tls_max_version = max_version;
+ }
}
{
DEBUG_puts("4_httpTLSStart: Setting defaults.");
_cupsSetDefaults();
- DEBUG_printf(("4_httpTLSStart: tls_options=%x", tls_options));
+ DEBUG_printf(("4_httpTLSStart: tls_options=%x, tls_min_version=%d, tls_max_version=%d", tls_options, tls_min_version, tls_max_version));
}
#ifdef HAVE_SECKEYCHAINOPEN
if (!error)
{
- SSLProtocol minProtocol;
+ static const SSLProtocol protocols[] = /* Min/max protocol versions */
+ {
+ kSSLProtocol3,
+ kTLSProtocol1,
+ kTLSProtocol11,
+ kTLSProtocol12,
+ kTLSProtocol13,
+ kTLSProtocolMaxSupported
+ };
- if (tls_options & _HTTP_TLS_DENY_TLS10)
- minProtocol = kTLSProtocol11;
- else if (tls_options & _HTTP_TLS_ALLOW_SSL3)
- minProtocol = kSSLProtocol3;
- else
- minProtocol = kTLSProtocol1;
+ error = SSLSetProtocolVersionMin(http->tls, protocols[tls_min_version]);
+ DEBUG_printf(("4_httpTLSStart: SSLSetProtocolVersionMin(%d), error=%d", protocols[tls_min_version], (int)error));
- error = SSLSetProtocolVersionMin(http->tls, minProtocol);
- DEBUG_printf(("4_httpTLSStart: SSLSetProtocolVersionMin(%d), error=%d", minProtocol, (int)error));
+ if (!error)
+ {
+ error = SSLSetProtocolVersionMax(http->tls, protocols[tls_max_version]);
+ DEBUG_printf(("4_httpTLSStart: SSLSetProtocolVersionMax(%d), error=%d", protocols[tls_max_version], (int)error));
+ }
}
# if HAVE_SSLSETENABLEDCIPHERS
case TLS_DHE_RSA_WITH_AES_256_CBC_SHA :
case TLS_DH_DSS_WITH_3DES_EDE_CBC_SHA :
case TLS_DH_RSA_WITH_3DES_EDE_CBC_SHA :
-// case TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA :
case TLS_DHE_RSA_WITH_3DES_EDE_CBC_SHA :
case TLS_DH_DSS_WITH_AES_128_CBC_SHA256 :
case TLS_DH_RSA_WITH_AES_128_CBC_SHA256 :
case TLS_DHE_PSK_WITH_3DES_EDE_CBC_SHA :
case TLS_DHE_PSK_WITH_AES_128_CBC_SHA :
case TLS_DHE_PSK_WITH_AES_256_CBC_SHA :
+ case TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 :
+ case TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 :
+ if (tls_options & _HTTP_TLS_DENY_CBC)
+ {
+ DEBUG_printf(("4_httpTLSStart: Excluding CBC cipher suite %d", supported[i]));
+ break;
+ }
+
// case TLS_DHE_RSA_WITH_AES_128_GCM_SHA256 :
// case TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 :
case TLS_DH_RSA_WITH_AES_128_GCM_SHA256 :
case TLS_DH_DSS_WITH_AES_256_GCM_SHA384 :
case TLS_DHE_PSK_WITH_AES_128_GCM_SHA256 :
case TLS_DHE_PSK_WITH_AES_256_GCM_SHA384 :
- case TLS_DHE_PSK_WITH_AES_128_CBC_SHA256 :
- case TLS_DHE_PSK_WITH_AES_256_CBC_SHA384 :
if (tls_options & _HTTP_TLS_ALLOW_DH)
enabled[num_enabled ++] = supported[i];
else
DEBUG_printf(("4_httpTLSStart: Excluding DH/DHE cipher suite %d", supported[i]));
break;
- /* Anything else we'll assume is secure */
+ case TLS_DHE_DSS_WITH_3DES_EDE_CBC_SHA :
+ case TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256 :
+ case TLS_ECDHE_ECDSA_WITH_AES_256_CBC_SHA384 :
+ case TLS_ECDH_ECDSA_WITH_AES_128_CBC_SHA256 :
+ case TLS_ECDH_ECDSA_WITH_AES_256_CBC_SHA384 :
+ case TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256 :
+ case TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384 :
+ case TLS_ECDH_RSA_WITH_AES_128_CBC_SHA256 :
+ case TLS_ECDH_RSA_WITH_AES_256_CBC_SHA384 :
+ case TLS_RSA_WITH_3DES_EDE_CBC_SHA :
+ case TLS_RSA_WITH_AES_128_CBC_SHA :
+ case TLS_RSA_WITH_AES_256_CBC_SHA :
+ if (tls_options & _HTTP_TLS_DENY_CBC)
+ {
+ DEBUG_printf(("4_httpTLSStart: Excluding CBC cipher suite %d", supported[i]));
+ break;
+ }
+
+ /* Anything else we'll assume is "secure" */
default :
enabled[num_enabled ++] = supported[i];
break;
projects / thirdparty / cups.git / blobdiff