Patch that enables OCSP stapling for nginx with **BoringSSL**

[CarterLi]

For people who like 折腾
Note only "ssl_stapling_file" with single cert is supported. Use it as your own risk.

From 4be7f3188f18c64ef3de6cc35331220195de2b94 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E9=80=9A=E6=B4=B2?= <carter.li@eoitek.com>
Date: Sat, 19 May 2018 22:08:47 +0800
Subject: [PATCH] Support OSCP stapling on BoringSSL

---
 src/event/ngx_event_openssl_stapling.c | 42 ++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/src/event/ngx_event_openssl_stapling.c b/src/event/ngx_event_openssl_stapling.c
index 0bea5e7..334f1c2 100644
--- a/src/event/ngx_event_openssl_stapling.c
+++ b/src/event/ngx_event_openssl_stapling.c
@@ -1874,8 +1874,50 @@ ngx_int_t
 ngx_ssl_stapling(ngx_conf_t *cf, ngx_ssl_t *ssl, ngx_str_t *file,
     ngx_str_t *responder, ngx_uint_t verify)
 {
+#ifdef BORINGSSL_MAKE_DELETER
+    ngx_log_error(NGX_LOG_WARN, ssl->log, 0,
+                  "using boringssl, currently only \"ssl_stapling_file\" is supported. use it as your own risk");
+
+    BIO            *bio;
+    int             len;
+    u_char          buf[1024];
+
+    if (ngx_conf_full_name(cf->cycle, file, 1) != NGX_OK) {
+        return NGX_ERROR;
+    }
+
+    bio = BIO_new_file((char *) file->data, "r");
+    if (bio == NULL) {
+        ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
+                      "BIO_new_file(\"%s\") failed", file->data);
+        return NGX_ERROR;
+    }
+
+    len = BIO_read(bio, buf, sizeof(buf) / sizeof(u_char));
+    BIO_free(bio);
+    bio = NULL;
+
+    if (len <= 0) {
+        ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
+                      "Read OCSP response file \"%s\" failed: %d", file->data, len);
+        return NGX_ERROR;
+    }
+
+    if (len >= 1000) {
+        ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
+                      "Unexpected OCSP response file length: %d", len);
+        return NGX_ERROR;
+    }
+
+    if (!SSL_CTX_set_ocsp_response(ssl->ctx, buf, len)) {
+        ngx_ssl_error(NGX_LOG_EMERG, ssl->log, 0,
+                      "SSL_CTX_set_ocsp_response(ssl->ctx, buf, %d) failed", len);
+        return NGX_ERROR;
+    }
+#else
     ngx_log_error(NGX_LOG_WARN, ssl->log, 0,
                   "\"ssl_stapling\" ignored, not supported");
+#endif
 
     return NGX_OK;
 }
-- 
2.17.0

Tested on Nginx/1.14.0, BoringSSL/master with nginx.patch
Be sure to apply this patch to enable TLS13 support

$ ./testssl.sh test.eoitek.net

###########################################################
    testssl.sh       3.0beta from https://testssl.sh/dev/
    (e68b1ce 2018-05-15 17:54:09 -- )

      This program is free software. Distribution and
             modification under GPLv2 permitted.
      USAGE w/o ANY WARRANTY. USE IT AT YOUR OWN RISK!

       Please file bugs @ https://testssl.sh/bugs/

###########################################################

 Using "OpenSSL 1.0.2-chacha (1.0.2i-dev)" [~183 ciphers]
 on litongzhoudeMacBook-Pro:./bin/openssl.Darwin.x86_64
 (built: "Sep  7 19:34:54 2016", platform: "darwin64-x86_64-cc")


 Start 2018-05-19 22:14:47        -->> 127.0.0.1:443 (test.eoitek.net) <<--

 A record via            /etc/hosts
 rDNS (127.0.0.1):       localhost.
 Service detected:       HTTP


 Testing protocols via sockets except NPN+ALPN

 SSLv2      not offered (OK)
 SSLv3      not offered (OK)
 TLS 1      offered
 TLS 1.1    offered
 TLS 1.2    offered (OK)
 TLS 1.3    offered (OK): draft 28, draft 23
 NPN/SPDY   h2, spdy/3.1, http/1.1 (advertised)
 ALPN/HTTP2 h2, spdy/3.1, http/1.1 (offered)

 Testing cipher categories

 NULL ciphers (no encryption)                  not offered (OK)
 Anonymous NULL Ciphers (no authentication)    not offered (OK)
 Export ciphers (w/o ADH+NULL)                 not offered (OK)
 LOW: 64 Bit + DES encryption (w/o export)     not offered (OK)
 Weak 128 Bit ciphers (SEED, IDEA, RC[2,4])    not offered (OK)
 Triple DES Ciphers (Medium)                   not offered (OK)
 High encryption (AES+Camellia, no AEAD)       offered (OK)
 Strong encryption (AEAD ciphers)              offered (OK)


 Testing robust (perfect) forward secrecy, (P)FS -- omitting Null Authentication/Encryption, 3DES, RC4

 PFS is offered (OK)          TLS_AES_256_GCM_SHA384 TLS_CHACHA20_POLY1305_SHA256 ECDHE-ECDSA-CHACHA20-POLY1305
                              TLS_AES_128_GCM_SHA256 ECDHE-ECDSA-AES128-GCM-SHA256 ECDHE-ECDSA-AES128-SHA
 Elliptic curves offered:     prime256v1 secp384r1 X25519


 Testing server preferences

 Has server cipher order?     yes (OK)
 Negotiated protocol          TLSv1.3
 Negotiated cipher            TLS_AES_256_GCM_SHA384, 253 bit ECDH (X25519)
 Cipher order
    TLSv1:     ECDHE-ECDSA-AES128-SHA
    TLSv1.1:   ECDHE-ECDSA-AES128-SHA
    TLSv1.2:   ECDHE-ECDSA-AES128-GCM-SHA256 ECDHE-ECDSA-AES128-SHA ECDHE-ECDSA-CHACHA20-POLY1305
    TLSv1.3:   TLS_AES_256_GCM_SHA384 TLS_CHACHA20_POLY1305_SHA256 TLS_AES_128_GCM_SHA256

./testssl.sh:行6341: 警告:command substitution: ignored null byte in input
./testssl.sh:行6341: 警告:command substitution: ignored null byte in input

 Testing server defaults (Server Hello)

 TLS extensions (standard)    "renegotiation info/#65281" "session ticket/#35" "status request/#5"
                              "next protocol/#13172" "EC point formats/#11" "key share/#51" "supported versions/#43"
                              "extended master secret/#23" "application layer protocol negotiation/#16"
 Session Ticket RFC 5077 hint 300 seconds, session tickets keys seems to be rotated < daily
 SSL Session ID support       yes
 Session Resumption           Tickets: yes, ID: no
 TLS clock skew               -1 sec from localtime
 Signature Algorithm          SHA256 with RSA
 Server key size              EC 256 bits
 Server key usage             Digital Signature
 Server extended key usage    TLS Web Server Authentication, TLS Web Client Authentication
 Serial / Fingerprints        03A2070FFC8B2171C43AB210C422439C026A / SHA1 13513B51E0076C1C166D5280BB66BCA8D1EA368D
                              SHA256 5E354315F3DB4B9E887F54D32374241124F1BE2F46441322D0412ADC63B2F10C
 Common Name (CN)             *.eoitek.net
 subjectAltName (SAN)         *.eoitek.net
 Issuer                       Let's Encrypt Authority X3 (Let's Encrypt from US)
 Trust (hostname)             Ok via SAN wildcard and CN wildcard (same w/o SNI)
 Chain of trust               Ok
 EV cert (experimental)       no
 Certificate Validity (UTC)   45 >= 30 days (2018-04-05 15:02 --> 2018-07-04 15:02)
 # of certificates provided   2
 Certificate Revocation List  --
 OCSP URI                     http://ocsp.int-x3.letsencrypt.org
 OCSP stapling                offered
 OCSP must staple extension   --
 DNS CAA RR (experimental)    available - please check for match with "Issuer" above
                              iodef=mailto:carter.li@eoitek.com, issue=letsencrypt.org
 Certificate Transparency     yes (certificate extension)


 Testing HTTP header response @ "/"

 HTTP Status Code             403 Forbidden
 HTTP clock skew              0 sec from localtime
 Strict Transport Security    not offered
 Public Key Pinning           --
 Server banner                nginx/1.14.0
 Application banner           --
 Cookie(s)                    (none issued at "/") -- maybe better try target URL of 30x
 Security headers             --
 Reverse Proxy banner         --


 Testing vulnerabilities

 Heartbleed (CVE-2014-0160)                not vulnerable (OK), no heartbeat extension
 CCS (CVE-2014-0224)                       not vulnerable (OK)
 Ticketbleed (CVE-2016-9244), experiment.  not vulnerable (OK)
 ROBOT                                     Server does not support any cipher suites that use RSA key transport
 Secure Renegotiation (CVE-2009-3555)      not vulnerable (OK)
 Secure Client-Initiated Renegotiation     not vulnerable (OK)
 CRIME, TLS (CVE-2012-4929)                not vulnerable (OK)
 BREACH (CVE-2013-3587)                    potentially NOT ok, uses gzip HTTP compression. - only supplied "/" tested
                                           Can be ignored for static pages or if no secrets in the page
 POODLE, SSL (CVE-2014-3566)               not vulnerable (OK)
 TLS_FALLBACK_SCSV (RFC 7507)              Downgrade attack prevention supported (OK)
 SWEET32 (CVE-2016-2183, CVE-2016-6329)    not vulnerable (OK)
 FREAK (CVE-2015-0204)                     not vulnerable (OK)
 DROWN (CVE-2016-0800, CVE-2016-0703)      not vulnerable on this host and port (OK)
                                           no RSA certificate, thus certificate can't be used with SSLv2 elsewhere
 LOGJAM (CVE-2015-4000), experimental      not vulnerable (OK): no DH EXPORT ciphers, no DH key detected
 BEAST (CVE-2011-3389)                     TLS1: ECDHE-ECDSA-AES128-SHA
                                           VULNERABLE -- but also supports higher protocols  TLSv1.1 TLSv1.2 (likely mitigated)
 LUCKY13 (CVE-2013-0169), experimental     potentially VULNERABLE, uses cipher block chaining (CBC) ciphers with TLS. Check patches
 RC4 (CVE-2013-2566, CVE-2015-2808)        no RC4 ciphers detected (OK)


 Testing 364 ciphers via OpenSSL plus sockets against the server, ordered by encryption strength

Hexcode  Cipher Suite Name (OpenSSL)       KeyExch.   Encryption  Bits     Cipher Suite Name (RFC)
-----------------------------------------------------------------------------------------------------------------------------
 x1302   TLS_AES_256_GCM_SHA384            ECDH 253   AESGCM      256      TLS_AES_256_GCM_SHA384
 x1303   TLS_CHACHA20_POLY1305_SHA256      ECDH 253   ChaCha20    256      TLS_CHACHA20_POLY1305_SHA256
 xcca9   ECDHE-ECDSA-CHACHA20-POLY1305     ECDH 253   ChaCha20    256      TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
 x1301   TLS_AES_128_GCM_SHA256            ECDH 253   AESGCM      128      TLS_AES_128_GCM_SHA256
 xc02b   ECDHE-ECDSA-AES128-GCM-SHA256     ECDH 256   AESGCM      128      TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
 xc009   ECDHE-ECDSA-AES128-SHA            ECDH 256   AES         128      TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA


 Running client simulations via sockets

 Android 4.2.2                TLSv1.0 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
 Android 4.4.2                TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 5.0.0                TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 6.0                  TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 7.0                  TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
 Chrome 57 Win 7              TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
 Chrome 65 Win 7              TLSv1.3 TLS_AES_128_GCM_SHA256, 253 bit ECDH (X25519)
 Firefox 53 Win 7             TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
 Firefox 59 Win 7             TLSv1.3 TLS_AES_128_GCM_SHA256, 253 bit ECDH (X25519)
 IE 6 XP                      No connection
 IE 7 Vista                   TLSv1.0 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
 IE 8 Win 7                   TLSv1.0 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
 IE 8 XP                      No connection
 IE 11 Win 7                  TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 IE 11 Win 8.1                TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 IE 11 Win Phone 8.1          TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 IE 11 Win 10                 TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Edge 13 Win 10               TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Edge 13 Win Phone 10         TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Edge 15 Win 10               TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 253 bit ECDH (X25519)
 Opera 17 Win 7               TLSv1.2 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
 Safari 9 iOS 9               TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Safari 9 OS X 10.11          TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Safari 10 OS X 10.12         TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Apple ATS 9 iOS 9            TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Tor 17.0.9 Win 7             TLSv1.0 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
 Java 6u45                    No connection
 Java 7u25                    TLSv1.0 ECDHE-ECDSA-AES128-SHA, 256 bit ECDH (P-256)
 Java 8u161                   TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Java 9.0.4                   TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 OpenSSL 1.0.1l               TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 OpenSSL 1.0.2e               TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)

 Done 2018-05-19 22:18:12 [0229s] -->> 127.0.0.1:443 (test.eoitek.net) <<--

[kn007]

added

[pleaz]

why you remove that feature from your repo?

[kn007]

@pleaz Because I don't use BoringSSL now.

You could get it on: https://raw.githubusercontent.com/kn007/patch/35f2b0decbc510f2c8adab9261e3d46ba1398e33/Enable_BoringSSL_OCSP.patch

[kn007]

Restore this patch and increase the allowed stapling file size(for some CA like GlobalSign 0b83bc2).

I wrote a article for auto-rebuild OCSP stapling file with shell and atd(at cron).